CN105460069B - Wheel orientation mechanism and mobile device with same - Google Patents

Abstract

The present invention provides a wheel orientation mechanism, which is arranged on a mobile device, and the mobile device includes a frame, a pivot seat and a wheel, the pivot seat is pivotally connected to the frame, and the wheel is pivotally connected to the pivot seat, wherein the wheel orientation mechanism includes an orientation piece and an operating piece, the orientation piece and the operating piece are movably arranged on one of the frame and the pivot seat in a mutually related manner, the other of the frame and the pivot seat is provided with a receiving portion for receiving the orientation piece, the operating piece is provided with a clamping portion, and the frame or the pivot seat with the operating piece is provided with a locking clamping groove for the clamping portion to clamp, when the clamping portion is clamped in the locking clamping groove and the orientation piece is accommodated in the receiving portion, the pivot seat is prohibited from pivoting relative to the frame, so that the wheel is in a directional locked state, that is, under the action of the clamping positioning of the clamping portion and the locking clamping groove, the operating piece is prevented from being accidentally actuated to cause the orientation piece to be separated from the receiving portion, thereby preventing the directional locking of the wheel from being accidentally released, and having better safety protection.

Description

Wheel orientation mechanism and mobile device with the mechanism

technical field

The invention relates to an orientation mechanism, in particular to a wheel orientation mechanism and a moving device with the mechanism.

Background technique

With the continuous progress of society, the continuous development of economy, and the continuous improvement of science and technology, people are provided with more and more abundant consumer goods, thereby creating extremely excellent material conditions for improving people's living standards, and children's vehicles are many consumer goods One of. For parents with children, when taking their children out for shopping or walking, they usually use mobile devices such as children's vehicles with wheels instead of holding them in their hands to reduce the burden on adults, and the children's vehicles also have the ability to ride The advantages of comfort and safety make children's vehicles more and more popular.

As we all know, in order to enable children's vehicles to turn flexibly, most of the wheels of children's vehicles can be turned flexibly, so that it is convenient for users to push the children's vehicles to perform turning operations. However, the steering structure of the wheels of existing children's vehicles There are still the following disadvantages: on the one hand, the wheels of many children's vehicles often lack a locking mechanism that prohibits wheel steering, resulting in the child's vehicle being in a stopped state or being stored, etc., when the wheels do not need to be turned, the prohibition of the wheels cannot be realized. Turning causes inconvenience to users; on the other hand, in order to realize the directional locking of the wheels of children's vehicles, there are also children's vehicles on the market with a locking mechanism that prohibits wheel steering, but the structure of the locking mechanism is too complicated. The production cost is high, and there are also factors that are unsafe to use. For example, when the child carrier is in a state of stopping or storing, the locking mechanism is prone to accidentally switching from a locked state that prohibits wheel steering to an unlocked state that allows wheel steering , it will cause unsafe situations such as unexpected swinging of the children's vehicle, so it will cause inconvenience to the user and unsafe use of the children's vehicle.

Therefore, it is necessary to provide a wheel orientation mechanism capable of overcoming the above defects and a mobile device with the mechanism.

Contents of the invention

An object of the present invention is to provide a wheel orientation mechanism which has a simple and compact structure and can prevent accidental unlocking of the wheels after orientation.

Another object of the present invention is to provide a mobile device with a simple and compact structure that can prevent accidental unlocking of the wheels after orientation.

In order to achieve the above object, the present invention provides a wheel orientation mechanism, which is located in the mobile device. The mobile device includes a frame body, a pivot seat and wheels, the pivot seat is pivotally connected to the frame body, and the wheels are pivotally connected to the pivot seat. The wheel orientation mechanism includes an orientation piece and an operating piece. The orientation piece and the operation piece are arranged on one of the frame body and the pivot seat in an interrelated manner, and the other one of the frame body and the pivot seat is provided to accommodate the orientation piece. The accommodating part, the operating part is provided with a locking part, and the frame body or pivot seat with the operating part is provided with a locking and engaging groove for engaging the engaging part. When the engaging part is engaged in the locking and engaging groove, the orientation If the piece is accommodated in the accommodating part, the pivot seat is prohibited from pivoting relative to the frame body; wherein, the frame body or the pivot seat with the operating part is also provided with a release lock groove for the engaging part to engage. When it fits into the lock release slot, the orientation piece is separated from the receiving portion, allowing the pivot seat to pivot relative to the frame body; the operating piece also includes an elastic arm, the engaging portion is formed on the elastic arm, and the elastic arm constantly drives the engaging portion to engage fit into the locking slot or the release slot.

Preferably, the orientation member and the operating member are movably arranged on the pivot seat, the locking engagement groove and the release engagement groove are provided on the pivot seat, and the receiving portion is arranged on the frame body.

Preferably, the pivot seat is pivotally connected to the end of the frame body around a pivot center line, and the operating member is slid on the pivot seat along a direction intersecting with the pivot center line.

Preferably, the operating member is slidably disposed on the pivot seat along a direction perpendicular to the pivot centerline.

Preferably, the orientation member is slidably disposed on the pivot seat along the pivot centerline.

Preferably, a fixed seat is provided at the end of the frame body, the pivotal seat is pivotally connected to the fixed seat around the pivot center line, and the receiving portion is arranged on the fixed seat.

Preferably, the locking engagement groove and the release engagement groove are arranged side by side along the sliding direction of the operating member.

Preferably, the locking engagement groove and the release engagement groove are connected through a guide wall, and the engaging part slides along the guide wall to switch between the lock engagement groove and the release engagement groove.

Preferably, the elastic arm is formed with a driving part on a side away from the engaging part, and the driving part is operated to drive the engaging part to switch between the locking engaging groove and the unlocking engaging groove.

Preferably, the operating member includes a plate-shaped portion and a side wall connected to the plate-shaped portion, the side wall is provided on a side of the plate-shaped portion facing the pivot seat, and the side wall is snapped into the pivot seat.

Preferably, the plate-like portion further includes an elastic arm, the engaging portion is formed on the elastic arm, and the elastic arm constantly drives the engaging portion to engage in the locking engaging groove or the unlocking engaging groove.

Preferably, the elastic arm is formed with a driving part on a side away from the engaging part, and the driving part is operated to drive the engaging part to switch between the locking engaging groove and the unlocking engaging groove.

Preferably, the plate-like portion is slidably disposed on the top of the pivot seat, and the pivot seat is provided with an opening for the side wall to snap into.

Preferably, the side wall is provided with a driving elongated hole, and the driving elongated hole is vertically inclined upward from the direction from the locking engagement groove to the release engagement groove.

Preferably, the wheel orientation mechanism further includes a linkage connected to the orientation piece, and the linkage slides through the elongated driving hole.

Preferably, the orientation member is provided with a limiting elongated hole arranged along the pivoting centerline, and the linkage member slides through the limiting elongated hole.

Preferably, a boss is protruded from the side wall, a sliding groove is formed between the boss and the plate-shaped part, and a guide protrusion arranged along the sliding direction of the operating part is formed on one side of the opening, and the sliding groove is a sliding groove. snapped into the guide protrusions.

Preferably, the wheel orientation mechanism further includes an elastic member, the elastic member abuts between the orientation member and the pivot seat, and the elastic member constantly drives the orientation member to move away from the pivot seat.

Preferably, the pivot seat is provided with an accommodating groove arranged along the pivoting centerline, the orienting member is slidably disposed in the accommodating groove, and the elastic member is compressed and abuts between the bottom of the accommodating groove and the bottom of the orienting member.

Preferably, the pivot seat is provided with a first limit engagement groove and a second limit engagement groove arranged along the sliding direction of the operating member, and is connected to the first limit engagement groove and the second limit engagement groove. The connecting groove between the engaging grooves, the side wall is protrudingly provided with a boss, the boss is engaged with the first limit engaging groove or the second limiting engaging groove, and the boss is slidingly matched with the connecting groove ; When the engaging part engages in the locking engaging groove, the protruding column engages in the first limiting engaging groove; when the engaging part engages in the release engaging groove, the protruding column engages in the second limiting card fit groove.

Preferably, the slots of the first limit engagement groove and the second limit engagement groove are larger than the width of the communication groove, and the first limit engagement groove and the second limit engagement groove The depths are all greater than the depth of the connecting grooves.

Preferably, the ends of the protrusions engaged with the first limit engagement groove or the second limit engagement groove have an arc surface structure.

In order to achieve the above object, the mobile device of the present invention includes a frame body, a pivot base and wheels, the pivot base is pivotally connected to the frame body, and the wheels are pivotally connected to the pivot base, wherein the mobile device further includes the aforementioned wheel orientation mechanism.

Preferably, the mobile device is a child carrier.

Because the directional piece and the operating piece of the wheel directional mechanism of the present invention are interrelated activities, they are arranged on one of the frame body and the pivot seat, and the other one of the frame body and the pivot seat is provided with a storage for accommodating the directional piece. The operating part is provided with an engaging part, and the frame body or pivot seat with the operating part is provided with a locking engagement groove for engaging the engaging part. When the engaging part engages in the locking engaging groove, the orientation part accommodates In the accommodating part, the pivot seat is prohibited from pivoting relative to the frame, so that the wheel is in the state of directional locking, that is, under the action of the engaging and positioning of the engaging part and the locking engaging groove, the accidental movement of the operating part is prevented from causing the orientation The accidental situation that the part is separated from the receiving part does not occur, thereby preventing the directional locking of the wheel from being unintentionally released. Thereby the user is greatly facilitated to use, and the occurrence of unsafe accidents is prevented, so that the wheel orientation mechanism of the present invention has better safety guarantee, and the wheel orientation mechanism of the present invention also has the advantages of simple and compact structure and low production cost. Advantages of low cost. Since the mobile device of the present invention has the wheel orientation mechanism of the present invention, the mobile device of the present invention also has the advantages of being able to prevent accidental release of the directional locking of the wheels, simple and compact structure and low production cost.

Description of drawings

Fig. 1 is an assembled perspective view of a partial structure of a mobile device with a wheel orientation mechanism of the present invention.

FIG. 2 is a schematic perspective view of the three-dimensional structure of the fixing seat of the mobile device of the present invention.

Fig. 3 is a schematic plan view of the pivot seat provided with the wheel orientation mechanism of the present invention when the wheels are in an orientation release state.

Fig. 4 is a schematic plan view of Fig. 3 after the operating member is removed.

FIG. 5 is a perspective view of a partial pivotal seat of the mobile device of the present invention.

Fig. 6 is a schematic plan view of the operating part of the wheel orientation mechanism of the present invention.

Fig. 7 is a schematic perspective view of the three-dimensional structure of the operating member of the wheel alignment mechanism of the present invention.

Fig. 8 is a combined perspective schematic view of the pivot seat equipped with the wheel orientation mechanism of the present invention when the wheels are in the orientation release state.

FIG. 9 is a full sectional view of FIG. 8 .

Fig. 10 is a side view of the pivot seat provided with the wheel orientation mechanism of the present invention when the wheels are in an orientation-locked state.

Fig. 11 is a top view of the pivot seat provided with the wheel orientation mechanism of the present invention when the wheels are in an orientation-locked state.

Fig. 12 is a sectional view along line A-A in Fig. 10 .

Fig. 13 is an assembled perspective schematic view of the pivot seat provided with the wheel orientation mechanism of the present invention when the wheels are in an orientation-locked state.

FIG. 14 is a combined perspective view of another viewing angle of FIG. 13 .

detailed description

The present invention will be further described below with reference to the accompanying drawings and preferred embodiments, but the embodiments of the present invention are not limited thereto.

In this embodiment, the wheel orientation mechanism 100 of the present invention is applied to a mobile device 200, please refer to Fig. The device 200 includes a frame body 60, a pivot base 70 and wheels 80, the pivot base 70 is pivotally connected to the frame body 60, and the wheels 80 are pivotally connected to the pivot base 70, so as to realize the movement of the mobile device 200 of the present invention, and the structure is simple and compact . Wherein, only a part of the structure of the frame body 60 is shown in Fig. 1, and the frame body 60 is used to carry and install a vehicle (not shown) for the user to ride or lie on, or directly designed as a vehicle for the user to ride or lie on. The carrier, and the specific structure of the frame body 60 can be flexibly designed according to specific usage requirements, which is not limited in the present invention. Specifically, the mobile device 200 may be a vehicle for children, but it is not limited thereto. More specifically, the above-mentioned children's vehicle can be a stroller, a baby walker or a high chair; however, the application of the wheel orientation mechanism 100 of the present invention is not limited thereto, and it can be arranged on any kind of mobile device 200, such as It can also be a toy car or a wheelchair, which will not be repeated here.

Referring to FIGS. 2 to 14, the wheel orientation mechanism 100 of the present invention includes an orientation member 10 and an operating member 20, and the orientation member 10 and the operating member 20 are movable in relation to each other and are arranged on one of the frame body 60 and the pivot seat 70. , the other one of the frame body 60 and the pivot seat 70 is provided with a receiving portion 611 for accommodating the orientation member 10, the operating member 20 is provided with an engaging portion 212, and has the frame body 60 or the pivot seat 70 of the operating member 20 A locking engagement groove 71 for engaging the engaging portion 212 is provided, the structure is simple and compact, and the production cost is low. It should be noted that the structure of the directional element 10 and the operating element 20 is interrelated so that when the operating element 20 is operated, the directional element 10 can be actuated together, so that the operating element 20 drives the directional element 10 to operate. move. When the engaging part 212 is engaged in the locking engaging groove 71 and the orientation member 10 is accommodated in the receiving part 611, the pivot seat 70 is prohibited from pivoting relative to the frame body 60, so that the wheel 80 is in a state of directional locking, that is, in the engaging part. 212 is engaged and positioned with the locking groove 71 to prevent accidental movement of the operating member 20 that causes the directional member 10 to disengage from the receiving portion 611 , thereby preventing accidental release of the directional locking of the wheel 80 . Therefore, it is very convenient for the user to use, and prevents the occurrence of unsafe accidents, so that the wheel alignment mechanism 100 of the present invention has better safety guarantee. It should be noted that, in this embodiment, each locking and engaging groove 71 includes a groove, and the engaging portion 212 corresponding to the locking and engaging groove 71 includes an engaging portion 212 that engages with the groove. The structure is simple and compact, but the present invention does not make any specific number of grooves contained in each locking groove 71 and the specific number of locking protrusions contained in the locking part 212 corresponding to the locking groove 71. Limitation, in other embodiments, it can be flexibly selected according to specific usage requirements, for example, each locking and engaging groove 71 includes three grooves, and the engaging part 212 corresponding to the locking and engaging groove 71 includes three The three grooves are engaged with each other; or, each locking groove 71 includes four grooves, and the engaging part 212 corresponding to the locking groove 71 includes four grooves and the four grooves. The engaging protrusions that the grooves engage with each other; of course, the specific number of grooves included in each locking engaging groove 71 and the specific number of engaging protrusions included in the engaging portion 212 corresponding to the locking engaging groove 71 They can be the same or different, as long as at least one groove contained in each locking engaging groove 71 is engaged with at least one engaging protrusion included in the engaging portion 212 corresponding to the locking engaging groove 71 That is, it will not be repeated here.

Preferably, the frame body 60 or the pivot seat 70 with the operating member 20 is also provided with a release engagement groove 72 for the engagement part 212 to engage. When the engagement part 212 engages with the release engagement groove 72, Orienting member 10 is disengaged from receiving portion 611, allowing pivot seat 70 to pivot relative to frame body 60, so that wheel 80 is in the state of directional release, that is, when the engagement portion 212 and the release engagement groove 72 are engaged and positioned. Under the action, it prevents the accidental situation that the directional element 10 is accommodated in the accommodating part 611 due to accidental actuation of the operating member 20, thereby preventing the directional release of the wheel 80 from being accidentally locked, which is more convenient for users to use, and better prevents unsafe In the event of an accident, it has better security. It should also be noted that, in this embodiment, each release engagement groove 72 includes a groove, and the engaging portion 212 corresponding to the release engagement groove 72 includes a groove that engages with the groove. The locking convex, simple and compact structure. Like the aforementioned locking and engaging grooves 71, the present invention does not specify the specific number of grooves included in each unlocking engaging groove 72 and the engaging protrusions included in the engaging portion 212 corresponding to the releasing engaging groove 72. The specific number is limited, and in other embodiments, it can be flexibly selected according to specific usage requirements.

Specifically, in this embodiment, as shown in FIGS. 2 to 5 , the orientation member 10 and the operating member 20 are movable on the pivot seat 70 , and the locking engagement groove 71 and the release engagement groove 72 are opened on the pivot seat. 70, and the accommodating portion 611 is arranged on the frame body 60, and the structure is simple and reasonable. Of course, it is not limited thereto. In other embodiments, the orientation member 10 and the operating member 20 can be optionally provided on the frame body 60 , and the locking engagement groove 71 and the release engagement groove 72 can be optionally provided on the frame body 60 , and the receiving portion 611 is selected to be arranged on the pivot seat 70, which can also prevent accidental release of the directional lock of the wheel 80 and prevent accidental locking of the directional release of the wheel 80, which will not be repeated here. More specifically, as follows:

Wherein, as shown in FIG. 1 , the pivot base 70 is pivotally connected to the end of the frame body 60 around a vertical pivot center line L, and the operating member 20 is slid on the pivot along a direction intersecting with the pivot center line L. The swivel seat 70 is convenient for the operating member 20 to drive the orientation member 10 to move. Specifically, the operating member 20 is slid on the pivot seat 70 in a direction perpendicular to the pivot center line L, that is, the preferred structure is that the operation member 20 is slid on the pivot seat 70 in a direction staggered to the pivot center line L, so that It is more convenient for the operating member 20 to drive the orientation member 10 to act. Please refer to FIG. 3 to FIG. 5 , the locking engagement groove 71 and the release engagement groove 72 are arranged side by side along the sliding direction of the operating member 20, so that when the operation slides, it can drive the engaging portion 212 to selectively engage with the operating member 20. The structure of the locking engagement groove 71 or the release engagement groove 72 is more reasonable. More specifically, the locking groove 71 and the release groove 72 are connected through a guide wall 73 , and the engaging portion 212 slides along the guide wall 73 to be between the lock groove 71 and the release groove 72 . Switch between them, so that the switching operation of the engaging portion 212 between the locking engaging groove 71 and the unlocking engaging groove 72 is safer and more reliable.

Furthermore, please refer to FIG. 1 to FIG. 3 , the orientation member 10 is slidably arranged on the pivot seat 70 along the pivot centerline L, and a fixed seat 61 is provided at the end of the frame body 60 , and the pivot seat 70 rotates around the pivot centerline L. Pivotally connected to the fixed base 61, in detail, the fixed base 61 projects a pivot shaft 612 along the pivot center line L toward the direction close to the pivot base 70, the pivot base 70 is provided with a pivot hole 79, the pivot shaft 612 is pivotally connected to the pivot hole 79 to realize the structure that the pivot seat 70 is pivotally connected to the frame body 60; the receiving part 611 is arranged on the fixed seat 61. In detail, in this embodiment, the orientation member 10 is in the shape of a straight rod , and the receiving portion 611 is a blind hole opened in the fixing seat 61 to realize the structure that the receiving portion 611 is arranged on the frame body 60 . Furthermore, when the orienting member 10 is retracted and hidden in the pivot seat 70, the pivot seat 70 is allowed to pivot relative to the fixed seat 61; 61 pivots, the structure is simpler and more compact.

Furthermore, please refer to FIG. 3 to FIG. 7, the operating member 20 also includes an elastic arm 211, specifically, in this embodiment, the operating member 20 includes a plate-like portion 21, and the elastic arm 211 is specifically included in the plate-like portion 21. The engaging portion 212 is formed on the elastic arm 211, and the elastic arm 211 constantly drives the engaging portion 212 to engage in the locking engaging groove 71 or the unlocking engaging groove 72, that is, when the engaging portion 212 is positioned against the locking engaging groove 71 When the locking part 212 is driven by the elastic arm 211, the engaging part 212 is automatically engaged in the locking and engaging groove 71. However, it is automatically engaged in the lock-release engaging groove 72, the structure is more reasonable, and the operation is more convenient and labor-saving. A driving portion 213 is formed on the side of the elastic arm 211 away from the engaging portion 212 , and the driving portion 213 is operated to drive the engaging portion 212 to switch between the locking engaging groove 71 and the unlocking engaging groove 72 . That is, pressing the driving portion 213 can drive the engaging portion 212 out of engagement with the locking engaging groove 71 or the unlocking engaging groove 72, so as to operate the operating member 20 to slide, so that the engaging portion 212 is in the locking engaging groove 71 and the lock-release engagement groove 72 are switched, the structure is simple, and the operation is convenient; in detail, in this embodiment, the driving part 213 is a concave-convex mechanism to avoid slipping during the operation of the driving part 213, and the structure It is more reasonable and more convenient to use, but it is not limited thereto. Preferably, in this implementation, the operating member 20 is provided with an avoidance groove 214 close to the engaging portion 212 and the elastic arm 211 to avoid the action of the engaging portion 212 and the elastic arm 211, thereby avoiding the movement of the engaging portion 212 and the elastic arm 211. The action is blocked, and the structure is more reasonable and compact.

Furthermore, please refer to FIG. 3 to FIG. 9 , the operating member 20 also includes a side wall 24 connected to the plate-like portion 21 , the side wall 24 is arranged on the side of the plate-like portion 21 facing the pivot seat 70 , and the side wall 24 is locked. Combined with the pivot seat 70 , the side wall 24 is linked with the orientation member 10 , so that when the operation plate portion 21 drives the side wall 24 to slide, it drives the orientation member 10 to slide. And in this embodiment, the plate-shaped part 21 is slidably arranged on the top of the pivot base 70, and the pivot base 70 is provided with an opening 75 for the side wall 24 to be snapped in, and the opening 75 allows the operating member 20 to drive the side wall 24 The sliding has enough sliding space, and the structure is more reasonable and compact. The side wall 24 is provided with a driving elongated hole 242 , and the driving elongated hole 242 is vertically and upwardly inclined from the locking slot 71 to the release slot 72 . The wheel orientation mechanism 100 of the present invention also includes a linkage 30 connected to the orientation piece 10, and the linkage 30 slides through the driving elongated hole 242, and because the orientation piece 10 is slid along the pivot center line L and is arranged on the The pivoting seat 70, so when the operation member 20 drives the side wall 24 to move along the direction from the locking engagement groove 71 to the release engagement groove 72, the elongated hole 242 is driven to drive the linkage member 30 to drive the orientation member 10 to disengage from the The receiving part 611 (please refer to Fig. 13 and Fig. 8 at the same time) has a simple and compact structure, and is easy to operate. Preferably, in this embodiment, the orienting member 10 is provided with a limiting elongated hole 11 arranged along the pivoting center line L, as shown in FIG. , and, the wheel orientation mechanism 100 of the present invention also includes an elastic member 40, the elastic member 40 abuts between the orientation member 10 and the pivot seat 70, and the elastic member 40 constantly drives the orientation member 10 to move away from the pivot seat 70 . Driven by the elastic force of the elastic member on the orientation member 10, the bottom of the position-limiting elongated hole 11 is constantly in contact with the linkage member 30, and the operating member 20 is driven to drive the side wall 24 along the release engagement groove 72 to the locking position. When moving in the direction of the engaging groove 71, the linkage 30 moves upward along the pivot centerline L, and the linkage 30 does not need to drive the locating piece to move upward along the pivot centerline L, and the orientation piece 10 is supported by the elasticity of the elastic member 40. Driven by the active force, it will automatically slide to be accommodated in the receiving portion 611, so that the orientation member 10 is automatically accommodated in the receiving portion 611. Moreover, when the linking member 30 moves upward along the pivot center line L, it is also moved by the elastic member 40 The elastic force of the directional element 10 drives the moving element 30 to move, the structure is simpler and more compact, and the operation is more convenient and labor-saving; while the operating element 20 is driven to drive the side wall 24 along the locking engagement groove 71 to the release engagement When the direction of the slot 72 moves, the driving elongated hole 242 drives the linking member 30 to drive the directional member 10 to overcome the elastic force of the elastic member 40, so as to drive the directional member 10 to move downward along the pivot centerline L, and finally The orientation member 10 is separated from the receiving portion 611 . Specifically, in this embodiment, the pivot seat 70 is provided with an accommodating groove 76 arranged along the pivot centerline L, and the orientation member 10 is slidably arranged in the accommodating groove 76, so that the structure of the orientation member 10 being slidably arranged is simpler. Compact, and the action is safer and more reliable; the elastic member 40 is compressed and abuts between the bottom of the accommodating groove 76 and the bottom of the orientation member 10, and, in this embodiment, the elastic member 40 is preferably a spring, and the spring It is compressively abutted between the bottom of the accommodating groove 76 and the bottom of the orientation member 10 , and the structure is simpler and more compact. Of course, in other embodiments, it is also possible not to set the elastic member 40 and not to set the limiting elongated hole 11 in the orienting member 10, but to make the interlocking member 30 and the orienting member 10 fixedly connected and set, directly driven by the elongated hole 242 Driving the linking member 30 to drive the orienting member 10 to accommodate or disengage from the accommodating portion 611 can also realize the operation of accommodating or disengaging the orienting member 10 from the accommodating portion 611 , which will not be repeated here. In detail, in this embodiment, as shown in FIGS. 7 to 9 , the pivot base 70 is provided with a guide elongated hole 74 arranged along the pivot centerline L, and the guide elongate hole 74 communicates with the accommodation groove 76 , the link 30 also slides through the guide elongated hole 74, under the guidance of the guide elongate hole 74, the up and down sliding of the link 30 is more stable and smooth, and, under the restriction of the guide elongate hole 74 Next, the length of the orienting member 10 protruding from the accommodating groove 76 is prevented from being too long or detached from the accommodating groove 76, the structure is more reasonable, and the actuation is safer and more reliable.

Preferably, please refer to FIG. 5 and FIG. 7. In this embodiment, the side wall 24 is protruded with a boss 244, and a sliding groove 27 is formed between the boss 244 and the plate-shaped part 21. One side of the opening 75 A guiding protrusion 77 arranged along the sliding direction of the operating member 20 is formed on the upper part, and the sliding groove 27 is engaged with the guiding protrusion 77 in a sliding manner. In this way, the operation member 20 is prevented from tilting away from the pivot seat 70 or disengaged from the pivot seat 70 , and the structure is more reasonable, so that the sliding arrangement of the operation member 20 on the pivot seat 70 is safer and more reliable.

Preferably, please refer to FIG. 7 , FIG. 8 and FIG. 13 . In this embodiment, the pivot base 70 is provided with a first limit engagement groove 78 a and a second limit engagement groove arranged along the sliding direction of the operating member 20 . Position engagement groove 78b and communication groove 78c between the first limit engagement groove 78a and the second limit engagement groove 78b, the side wall 24 is provided with a protruding post 243, and the protruding post 243 is connected with the first limit engagement groove 78b. The limit engagement groove 78a or the second limit engagement groove 78b is engaged, and the protrusion 243 is slidably engaged with the communication groove 78c; the engaging part 212 is engaged in the locking engagement groove 71, and the protrusion 243 Engage with the first limiting engaging groove 78a; the engaging portion 212 engages with the release engaging groove 72, and then the protrusion 243 engages with the second limiting engaging groove 78b. Therefore, when the orienting member 10 is accommodated or moved away from the receiving portion 611, both the operating member 20 and the side wall 24 have corresponding positioning structures for positioning; preferably, in this embodiment, the protrusion 243 passes through a The elastic connecting arm 241 of 24 is connected to the side wall 24, so that when the side wall 24 drives the protruding post 243 to move, the protruding post 243 can overcome the elastic force of the elastic connecting arm 241 and break away from the first limiting engagement groove 78a or the second limit engagement groove 78b to enter the communication groove 78c, and after transitioning from the communication groove 78c to the first limit engagement groove 78a or the second limit engagement groove 78b, the convex Driven by the elastic force of the elastic connecting arm 241 , the column 243 is engaged with the first limiting engaging groove 78 a or the second limiting engaging groove 78 b, which has a reasonable and compact structure and is easy to operate. More preferably, in this embodiment, the openings of the first limit engagement groove 78a and the second limit engagement groove 78b are larger than the width of the communication groove 78c, and the first limit engagement groove 78a And the depth of the second limiting engagement groove 78b is greater than the depth of the communication groove 78c. When the protrusion 243 disengages from the engagement with the first limit engagement groove 78a or the second limit engagement groove 78b, the elastic connecting arm 241 needs to have a large elastic deformation, so the protrusion 243 needs to overcome a relatively large The elastic force of the large elastic connecting arm 241 further makes it difficult for the boss 243 to disengage from the first limit engagement groove 78a or the second limit engagement groove 78b, thereby better ensuring that the protrusion 243 is in contact with the second limit engagement groove 78b. The engaging and positioning of the first limiting engaging groove 78a or the second limiting engaging groove 78b has a more reasonable and compact structure, and the operation is safer and more reliable. More preferably, in this embodiment, the end of the protrusion 243 engaged with the first limiting engagement groove 78a or the second limiting engagement groove 78b has an arc surface structure, so that the protrusion 243 The sliding and switching between the first limit engagement groove 78a, the communication groove 78c and the second limit engagement groove 78b are smoother, and the operation is more convenient and labor-saving.

Preferably, in this embodiment, the elastic arm 211, the engaging portion 212, the side wall 24, the driving elongated hole 242, the boss 244, the boss 243, the sliding groove 27 and the elastic The number of connecting arms 241 is two, and two elastic arms 211, two engaging parts 212, two side walls 24, two driving elongated holes 242, two bosses 244, two bosses 243, The two sliding grooves 27 and the two elastic connecting arms 241 are symmetrically arranged on two sides of the operating member 20 with respect to the accommodating groove 76 . Correspondingly, the locking engagement groove 71, the release engagement groove 72, the guide wall 73, the guide elongated hole 74, the opening 75, the guide protrusion 77, and the first limit engagement groove provided on the pivot seat 70 78a, the second limit engagement groove 78b and the number of communication grooves 78c are also two, similarly, two locking engagement grooves 71, two release engagement grooves 72, two guide walls 73, two A guide elongated hole 74, two openings 75, two guide protrusions 77, two first limit engagement grooves 78a, two second limit engagement grooves 78b and two communication grooves 78c are all about The accommodating slots 76 are symmetrically arranged on both sides of the pivot base 70 , so that the cooperation structure between the operating member 20 and the pivot base 70 is more reasonable, compact, stable and reliable. Moreover, when driving the operating member 20 to move, only two fingers of one hand need to be pressed against the two symmetrical driving parts 213 to disengage the engaging part 212 from the locking engaging groove 71 or the unlocking engaging groove 72, And keeping the pressure on the two driving parts 213, you can easily move the operating part 20 to make the engaging part 212 switch between the locking engaging groove 71 and the unlocking engaging groove 72, the structure is simple, and the operation is more convenient Save effort. However, the specific matching structure between the operating member 20 and the pivot seat 70 is not limited thereto. In other embodiments, the elastic arm 211 and the engaging arm 211 provided on the operating member 20 can also be flexibly selected according to actual usage requirements. part 212, side wall 24, driving elongated hole 242, boss 244, boss 243, sliding groove 27 and the quantity of elastic connecting arm 241 and the locking and engaging slot 71 provided on the pivot base 70, the release card The number of the groove 72, the guide wall 73, the guide elongated hole 74, the opening 75, the guide rib 77, the first limit engagement groove 78a, the second limit engagement groove 78b and the communication groove 78c, here No longer.

In conjunction with the accompanying drawings, the operating principle of the wheel orientation mechanism 100 of the present invention is described in detail:

As shown in FIGS. 3 to 9 , the engaging portion 212 is engaged in the release engaging groove 72 , the orientation member 10 is disengaged from the accommodating portion 611 to allow the pivot seat 70 to pivot, and the wheel 80 is in a state of directional release; As shown in FIG. 10 to FIG. 14 , the engaging portion 212 is engaged in the locking engaging groove 71 , that is, the orientation member 10 is accommodated in the receiving portion 611 to prevent the pivot seat 70 from pivoting, and the wheel 80 is in an orientation-locked state.

When it is necessary to switch the wheel 80 of the child carrier of the present invention from the directional unlocked state shown in FIGS. 3 to 9 to the directional locked state shown in FIGS. 10 to 14 , the pivot seat 70 is operated to pivot, Until the orienting member 10 is aligned with the receiving portion 611 on the fixed seat 61, and then the two fingers of one hand are correspondingly pressed against the two symmetrical driving portions 213, so that the engaging portion 212 is disengaged from the release engaging groove 72 , and keep pressing against the two driving parts 213, and then use two fingers to move the operation part 20 along the direction from the release engagement groove 72 to the lock engagement groove 71, so that the operation part 20 drives the side wall 24 to also move along the release direction. When the engaging groove 72 moves to the direction of the locking engaging groove 71, the protrusion 243 also moves out of the second limiting engaging groove 78b and enters the connecting groove 78c to slide to the first limiting engaging groove along with the movement of the side wall 24. The groove 78a, as the elongated hole 242 is driven to move along the direction from the release engagement groove 72 to the lock engagement groove 71, allows the linkage 30 to move upwards along the accommodation groove 76, so that the orientation member 10 is allowed to move in the elastic The elastic force of the member 40 pushes down and moves toward the direction protruding from the receiving groove 76 (that is, the direction away from the pivot seat 70), so that the orientation member 10 is gradually accommodated in the receiving portion 611 until the operating member 20 Move until the engaging portion 212 is aligned with the locking engaging groove 71, then the end of the orientation member 10 accommodated in the accommodating portion 611 can be completely accommodated in the accommodating portion 611, and at this time, the two fingers of one hand can be released to be symmetrical to each other. The pressing of the two driving parts 213 makes the engaging part 212 engage in the corresponding locking engagement groove 71 under the action of the elastic arm 211, and the protrusion 243 is also aligned and engaged in the first limit position. The engagement groove 78a can complete the switch of the wheel 80 from the state of directional unlocking to the state of directional locking, and, under the engagement and positioning of the engaging portion 212 and the locking engagement groove 71, the accidental movement of the operating member 20 can be prevented. As a result, accidental situations in which the orientation member 10 is detached from the receiving portion 611 occur, thereby preventing accidental release of the orientation lock of the wheel 80 .

When it is necessary to switch the wheel 80 of the child carrier of the present invention from the state of directional locking shown in FIGS. 10 to 14 to the state of directional unlocking shown in FIGS. Press against the two driving parts 213 that are symmetrical to each other, so that the engaging part 212 is disengaged from the locking and engaging groove 71, and keep pressing against the two driving parts 213, and then pass two fingers along the locking and engaging groove 71 to release the lock Move the operating member 20 in the direction of the engaging groove 72, and then make the operating member 20 drive the side wall 24 to move along the direction from the locking engaging groove 71 to the unlocking engaging groove 72, and the protrusion 243 also disengages with the movement of the side wall 24 Out of the first limit engagement groove 78a and into the communication groove 78c to slide to the second limit engagement groove 78b, along with the driving elongated hole 242 along the direction from the locking engagement groove 71 to the release engagement groove 72 When moving, the elongated hole 242 is driven to drive the linking piece 30 to push the directional piece 10 against the elastic force of the elastic piece 40 and move down along the accommodating groove 76, so that the directional piece 10 is gradually disengaged from the accommodating portion 611 until the operation The element 20 moves until the engaging portion 212 is aligned with the release engaging groove 72, and then the end of the orientation element 10 accommodated in the accommodating portion 611 can be completely disengaged from the accommodating portion 611. At this time, the two fingers of one hand can be released. Pressing against the two symmetrical driving parts 213 makes the engaging part 212 engage with the corresponding unlocking groove 72 under the action of the elastic arm 211, and the protrusion 243 is also aligned and engaged with the The second limit engagement groove 78b can complete the switch of the wheel 80 from the directional locking state to the directional unlocking state, and under the engagement and positioning of the engaging portion 212 and the release engaging groove 72, the operation member is prevented from 20 is accidentally operated to cause an accident that the orientation member 10 is accommodated in the receiving portion 611 , thereby preventing accidental orientation locking of the wheel 80 .

Because the directional piece 10 and the operating piece 20 of the wheel directional mechanism 100 of the present invention are interrelated activities and are arranged on one of the frame body 60 and the pivot seat 70, the other one of the frame body 60 and the pivot seat 70 is provided There is a receiving portion 611 for accommodating the orientation member 10, the operating member 20 is provided with an engaging portion 212, and the frame body 60 or the pivot seat 70 with the operating member 20 is provided with a locking engagement groove 71 for engaging the engaging portion 212 , when the engaging portion 212 is engaged in the locking engaging groove 71 and the orientation member 10 is accommodated in the receiving portion 611, the pivoting seat 70 is prohibited from pivoting relative to the frame body 60, so that the wheel 80 is in a state of directional locking, that is, in the engagement Under the action of the engaging and positioning of the locking portion 212 and the locking engaging groove 71 , the operation member 20 is prevented from accidentally actuating and causing the directional member 10 to disengage from the accommodating portion 611 , thereby preventing the directional locking of the wheel 80 from being released accidentally. Thereby greatly facilitate the use of the user, and prevent the occurrence of unsafe accidents, so that the wheel alignment mechanism 100 of the present invention has better security, and the wheel alignment mechanism 100 of the present invention also has a simple and compact structure and the advantages of low production costs. Since the mobile device 200 of the present invention has the wheel orientation mechanism 100 of the present invention, the mobile device 200 of the present invention also has the advantages of being able to prevent accidental release of the directional locking of the wheels 80, simple and compact structure and low production cost.

The present invention has been described above in conjunction with the embodiments, but the present invention is not limited to the above disclosed embodiments, but should cover various modifications and equivalent combinations made according to the essence of the present invention.

Claims (24)

1. A wheel orientation mechanism, located in a mobile device, the mobile device includes a frame body, a pivot seat and wheels, the pivot seat is pivotally connected to the frame body, and the wheels are pivotally connected to the pivot The seat is characterized in that the wheel orientation mechanism includes an orientation piece and an operating piece, and the orientation piece and the operation piece are arranged on one of the frame body and the pivot seat in a mutually correlated manner, and the frame body and the pivot seat The other one of the pivoting seats is provided with a receiving portion for accommodating the orientation member, the operating member is provided with an engaging portion, and the frame or pivoting seat with the operating member is provided with a The locking engagement groove engaged by the engaging portion, when the engaging portion engages in the locking engaging groove and the orientation member is accommodated in the receiving portion, the pivoting seat is prohibited from moving relative to the frame Pivoting; wherein, the frame body or pivot seat with the operating member is also provided with a release engagement groove for engaging the engaging part, when the engaging part engages with the release lock The engaging groove, the directional element is disengaged from the receiving portion, allowing the pivot seat to pivot relative to the frame body; the operating element also includes an elastic arm, and the engaging portion is formed on the elastic The elastic arm constantly drives the engaging portion to engage in the locking engaging groove or the releasing engaging groove. 2. The wheel orientation mechanism according to claim 1, wherein the orientation member and the operating member are movably arranged on the pivot seat, and the locking engagement groove and the release engagement groove are opened on the pivot seat. The seat is swivel, and the accommodating part is arranged on the frame body. 3. The wheel orientation mechanism according to claim 2, wherein the pivot seat is pivotally connected to the end of the frame body around a pivot centerline, and the operating member is staggered along the pivot axis. Sliding in the direction of the center line is provided on the pivot seat. 4. The wheel orientation mechanism according to claim 3, wherein the operating member is slidably disposed on the pivot seat along a direction perpendicular to the pivot centerline. 5. The wheel orientation mechanism according to claim 3, wherein the orientation member is slidably disposed on the pivot seat along the pivot centerline. 6. The wheel orientation mechanism according to claim 3, wherein a fixed seat is provided at the end of the frame body, and the pivotal seat is pivotally connected to the fixed seat around the pivot centerline, so that The accommodating part is arranged on the fixing seat. 7 . The wheel orientation mechanism according to claim 3 , wherein the locking and unlocking slots and the unlocking slots are arranged side by side along the sliding direction of the operating member. 7 . 8. The wheel orientation mechanism according to claim 7, characterized in that, the locking groove and the unlocking groove communicate with each other through a guide wall, and the engaging part slides along the guide wall to Switch between the locking slot and the unlocking slot. 9. The wheel orientation mechanism according to claim 1, wherein a driving portion is formed on the side of the elastic arm away from the engaging portion, and the driving portion is operated to drive the engaging portion to the engaging portion. Switch between the above-mentioned locking engagement groove and release engagement groove. 10. The wheel orientation mechanism according to claim 3, wherein the operating member comprises a plate-shaped portion and a side wall connected to the plate-shaped portion, the side wall is arranged on the plate-shaped portion facing the One side of the pivot seat, and the side wall is snapped into the pivot seat. 11. The wheel orientation mechanism according to claim 10, wherein the plate portion further includes an elastic arm, the engaging portion is formed on the elastic arm, and the elastic arm constantly drives the engaging The part is engaged with the locking engaging groove or the unlocking engaging groove. 12. The wheel orientation mechanism according to claim 11, wherein a driving portion is formed on the side of the elastic arm away from the engaging portion, and the driving portion is operated to drive the engaging portion to the engaging portion. Switch between the above-mentioned locking engagement groove and release engagement groove. 13 . The wheel orientation mechanism according to claim 10 , wherein the plate-like portion is slidably disposed on the top of the pivot seat, and the pivot seat defines an opening for the side wall to snap into. 14 . 14. The wheel orientation mechanism according to claim 13, wherein the side wall is provided with a driving elongated hole, and the driving elongated hole is perpendicular to the direction from the locking engagement groove to the release engagement groove. Straight up tilt setting. 15. The wheel orientation mechanism according to claim 14, further comprising a linkage connected to the orientation piece, and the linkage slides through the elongated driving hole. 16. The wheel orientation mechanism according to claim 15, characterized in that, the orientation member is provided with a limiting elongated hole arranged along the pivot centerline, and the linkage member slides through the limiting hole. Bit elongated hole. 17. The wheel orientation mechanism according to claim 13, wherein a boss is protruded from the side wall, and a sliding groove is formed between the boss and the plate-shaped part, and one of the openings The side portion is formed with guide protrusions arranged along the sliding direction of the operating member, and the sliding groove is slidably engaged with the guide protrusions. 18. The wheel orientation mechanism according to claim 3, further comprising an elastic member, the elastic member abuts between the orientation member and the pivot seat, and the elastic member constantly drives the The orientation member moves away from the pivot seat. 19. The wheel orientation mechanism according to claim 18, wherein the pivot seat is provided with an accommodating groove arranged along the pivot centerline, and the orientation member is slidably arranged in the accommodating groove, The elastic member is compressively abutted between the bottom of the accommodating groove and the bottom of the orientation member. 20. The wheel orientation mechanism according to claim 10, characterized in that, the pivot seat is provided with a first limit engagement groove and a second limit engagement groove arranged along the sliding direction of the operating member. The groove and the communication groove connected between the first limit engagement groove and the second limit engagement groove, the side wall is protruded with a protrusion, and the protrusion is connected to the first limit engagement groove. The engagement groove or the second limit engagement groove is engaged and fitted, and the protrusion is slidably fitted with the communication groove; the engaging portion is engaged with the locking engagement groove, and the protrusion is engaged in the first limiting engagement groove; the engaging portion is engaged in the release engaging groove, and the protrusion is engaged in the second limiting engaging groove. 21. The wheel orientation mechanism according to claim 20, characterized in that, the notches of the first limit engagement groove and the second limit engagement groove are both larger than the width of the communication groove, and the first limit engagement groove The depths of the first limit engagement groove and the second limit engagement groove are both greater than the depth of the communication groove. 22. The wheel orientation mechanism according to claim 20, characterized in that, the ends of the protrusions engaged with the first limit engagement groove or the second limit engagement groove form an arc surface structure . 23. A mobile device, comprising a frame body, a pivot seat and wheels, the pivot seat is pivotally connected to the frame body, and the wheels are pivotally connected to the pivot seat, it is characterized in that the mobile device The wheel orientation mechanism as claimed in any one of claims 1 to 22 is also included. 24. The mobile device of claim 23, wherein the mobile device is a children's vehicle.