CN115384597A - Children's barrow - Google Patents

Abstract

The invention discloses a child stroller, which comprises a stroller frame, wherein the stroller frame comprises a front support and a rear support, the upper part of the front support and the upper part of the rear support are in pivot connection through a first shaft, the child stroller also comprises a bracket, one of the upper part of the front support and the upper part of the rear support is in pivot connection with the front part of the bracket through a second shaft, the child stroller also comprises a first locking mechanism for locking the positions of the front support and the bracket, a second locking mechanism for locking the positions of the rear support and the bracket and an unlocking mechanism for driving the first locking mechanism to unlock, and after the first locking mechanism is unlocked, the front support rotates towards the direction close to the rear support to drive the second locking mechanism to unlock. After the unlocking mechanism for operating the child stroller unlocks the first locking mechanism, the second locking mechanism can be unlocked in the rotating and folding process of the front support, the second locking mechanism is unlocked without independent operation, the unlocking operation of the second locking mechanism is very convenient, and the folding operation of the child stroller is convenient.

Description

stroller

technical field

The invention relates to the technical field of children's products, in particular to a baby stroller.

Background technique

Children's car seats are generally installed on car seats for children to use when riding in a car. In order to improve the utilization rate of children's car seats, in the prior art, some children's car seats can be installed on the cart frame through brackets. Use it as a stroller for children. In order to facilitate the carrying and storage of the stroller, the stroller frame can generally be folded, and the bracket can also be rotated relative to the stroller frame. The position is locked, and another locking mechanism is required to lock the relative position of the bracket and the cart frame. In this way, when the stroller is folded, different locking mechanisms need to be unlocked respectively. How to make each locking mechanism convenient and quick to unlock becomes a key technology in the design of this type of stroller.

Contents of the invention

The object of the present invention is to address the deficiencies in the prior art and provide a stroller for children. As long as the unlocking mechanism is operated to unlock the first locking mechanism, the second locking mechanism can be unlocked during the rotation and folding process of the front bracket. .

In order to achieve the above object, the technical scheme adopted in the present invention is:

A children's stroller, comprising a stroller frame, the stroller frame includes a front support and a rear support, the upper part of the front support and the upper part of the rear support are pivotally connected by a first shaft, the child push The car also includes a bracket for mounting a child car seat, one of the upper portion of the front bracket and the upper portion of the rear bracket is pivotally connected to the front of the bracket by a second shaft, and The stroller further includes a first locking mechanism for locking the relative position of the front bracket and the bracket, a second locking mechanism for locking the relative position of the rear bracket and the bracket, and An unlocking mechanism for unlocking the first locking mechanism, after the first locking mechanism is unlocked, the second locking mechanism is unlocked when the front bracket rotates toward the rear bracket.

Preferably, the second axis is arranged parallel to the first axis, and both extend along the left-right direction.

Preferably, the front bracket and the rear bracket are respectively arranged on the left and right sides of the bracket, the upper part of the front bracket on each side is provided with a first joint, and the upper part of the rear bracket is provided with a The second joint, the first joint and the second joint are pivotally connected through the first shaft, and one side of the bracket and the second joint on the corresponding side are pivoted through the second shaft The first joint is accommodated in the second joint, or one side of the bracket is pivotally connected to the first joint on the corresponding side through the second shaft, and the first joint The two joints are accommodated in the first joint.

Preferably, the first locking mechanism includes a first locking member slidably provided on one of the front bracket and the bracket and a first locking groove provided on the other, when When the first locking mechanism is in the locked state, the first locking piece is inserted into the first lock groove; when the first locking mechanism is in the unlocked state, the first locking piece is inserted from the first out of a lock slot.

Further, the unlocking mechanism includes an unlocking knob, a drag cable, and a first driving member, and both the unlocking knob and the first driving member are slidably arranged in both the front bracket and the bracket On the part where the first locking part is set, the first driving part is matched with the first locking part, one end of the pulling cable is arranged on the unlocking knob, and the other end of the pulling cable The part is arranged on the first driving member.

Furthermore, one of the first driving member and the first locking member is provided with a first slope, and the other is fixedly provided with a fixing column, and the first slope and the fixing column Equivalent to match.

Preferably, the second locking mechanism includes a second locking member slidably disposed on one of the rear bracket and the bracket and a second locking groove disposed on the other, when When the second locking mechanism is in the locked state, the second locking piece is inserted into the second lock groove; when the second locking mechanism is in the unlocked state, the second locking piece is inserted from the first The second lock slot comes out.

Further, the stroller further includes a second driving part, the second driving part is slidably arranged on the parts of the rear bracket and the bracket where the second locking part is arranged, so The second driving part is matched with the second locking part. When the baby stroller is in the unfolded state, the second driving part is away from the front bracket, and when the baby stroller is folded, the front bracket faces When turning in a direction close to the rear bracket, the front bracket can abut against and cooperate with one end of the second driving member.

Furthermore, the upper part of the front bracket is provided with a helical surface, and when the baby stroller is in the unfolded state, the second driving member is away from the helical surface, and when the baby stroller is folded, the front bracket moves toward When turning in a direction close to the rear bracket, the helical surface can abut and cooperate with one end of the second driving member.

Furthermore, the other end of the second driving member is provided with a second inclined surface, and when the second locking mechanism is in the locked state, the second inclined surface abuts against and cooperates with one end of the second locking member. .

Due to the application of the above-mentioned technical solution, the present invention has the following advantages compared with the prior art: the children's stroller of the present invention locks the relative position of the front bracket and the bracket by the first locking mechanism, and the rear bracket and the bracket are locked by the second locking mechanism. The relative position of the bracket is locked. When the stroller is folded, as long as the unlocking mechanism is operated to unlock the first locking mechanism, the second locking mechanism can be unlocked when the front bracket rotates and the rear bracket is close, so that there is no need to operate separately to make the second locking mechanism The second locking mechanism is unlocked, so that the unlocking operation of the second locking mechanism is very convenient, thereby facilitating the folding operation of the stroller.

Description of drawings

Accompanying drawing 1 is the three-dimensional schematic view of the children's stroller in the unfolded state of the present embodiment;

Accompanying drawing 2 is the side view diagram of the children's stroller in the unfolded state of the present embodiment;

Accompanying drawing 3 is the exploded schematic view of the stroller of the present embodiment;

Accompanying drawing 4 is the schematic cross-sectional view of the children's stroller in the unfolded state of the present embodiment;

Accompanying drawing 5 is the partially enlarged schematic diagram of place A in accompanying drawing 4;

Accompanying drawing 6 is the cross-sectional schematic view of the children's stroller in this embodiment at the pivotal connection between the front bracket and the bracket (the first locking mechanism is in the locked state);

Accompanying drawing 7 is the schematic cross-sectional view of the children's stroller in this embodiment at the pivotal connection between the front bracket and the bracket (the first locking mechanism is in an unlocked state);

Accompanying drawing 8 is the schematic cross-sectional view of the children's stroller in this embodiment at the pivotal joint between the rear bracket and the bracket (the second locking mechanisms are all in the locked state);

Accompanying drawing 9 is the schematic cross-sectional view of the children's stroller in this embodiment at the pivotal connection between the rear bracket and the bracket (the second locking mechanisms are all in the locked state);

Accompanying drawing 10 is the schematic cross-sectional view of the children's stroller in this embodiment at the pivotal connection between the rear bracket and the bracket (the second locking mechanisms are all in the unlocked state);

Accompanying drawing 11 is the three-dimensional schematic view of the children's stroller in the folding process of this embodiment;

Accompanying drawing 12 is the schematic side view of the stroller of this embodiment during the folding process;

Accompanying drawing 13 is the three-dimensional schematic view of the children's stroller in the folded state of this embodiment;

Accompanying drawing 14 is the schematic side view of the stroller of this embodiment in the folded state.

Among them: 11. Front bracket; 111. First joint; 112. First lock slot; 113. Spiral surface; 12. Back bracket; 121. Second joint; 122. Second lock slot; 2. Bracket; 31. Front wheel assembly; 32, rear wheel assembly; 41, first shaft; 42, second shaft; 5, first locking piece; 51, fixed post; 6, second locking piece; 7, second elastic piece; 81, Unlock the knob; 82, the first driving part; 821, the first slope; 9, the second driving part; 91, the arc surface; 92, the second slope.

Detailed ways

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1 to 14, the children's stroller of the present invention includes a stroller frame with an expanded state and a folded state, a bracket 2 arranged on the stroller frame for installing a child car seat, and a bracket 2 arranged on the pushchair The front wheel assembly 31 of the bottom front portion of the cart frame and the rear wheel assembly 32 arranged at the bottom rear portion of the stroller frame.

The stroller frame includes a front support 11 and a rear support 12. The front wheel assembly 31 is mounted on the bottom of the front frame 11 , and the rear wheel assembly 32 is mounted on the bottom of the rear frame 12 . The upper part of the front bracket 11 and the upper part of the rear bracket 12 are pivotally connected by a first shaft 41 .

One of the upper part of the front bracket 11 and the upper part of the rear bracket 12 and the front part of the bracket 2 are pivotally connected by the second shaft 42, and the second shaft 42 and the first shaft 41 extend in the left-right direction, preferably two set in parallel.

The front bracket 11 and the rear bracket 12 are respectively arranged on the left and right sides of the bracket 2 , the upper end of the front bracket 11 on each side is provided with a first joint 111 , and the upper end of the rear bracket 12 is provided with a second joint 121 . The first joint 111 and the second joint 121 on the same side are pivotally connected through the first shaft 41 . In this embodiment, any one of the left and right sides of the bracket 2 is pivotally connected to the second joint 121 on the corresponding side through the second shaft 42 , and the first joint 111 is accommodated in the second joint 121 . Of course, any one of the left and right sides of the bracket 2 is pivotally connected to the first joint 111 on the corresponding side through the second shaft 42 , and the second joint 121 is accommodated in the first joint 111 .

The stroller also includes a first locking mechanism and a second locking mechanism. The first locking mechanism is arranged between the front bracket 11 and the bracket 2 to lock the relative position of the two, and the second locking mechanism is arranged between the rear bracket 12 and the bracket 2 to lock the relative position of the two. When the first locking mechanism is in the locked state, the front bracket 11 cannot rotate relative to the bracket 2 . When the second locking mechanism is in the locked state, the rear bracket 12 and the bracket 2 cannot rotate relative to each other. When both the first locking mechanism and the second locking mechanism are in the locked state, the relative positions of the front bracket 11, the rear bracket 12 and the bracket 2 are all fixed and cannot be relatively rotated.

The first locking mechanism includes a first locking piece 5 and a first lock groove 112 matched with the first locking piece 5, and the first locking piece 5 is slidably arranged on one of the front bracket 11 and the bracket 2 , the first lock groove 112 is disposed on the other of the front bracket 11 and the bracket 2 . When the first locking mechanism is in the locked state, the first locking member 5 is inserted into the first locking slot 112 , as shown in FIG. 6 . When the first locking mechanism is in the unlocked state, the first locking member 5 escapes from the first locking groove 112 , as shown in FIG. 7 .

In this embodiment, the first locking member 5 is slidably disposed on the bracket 2 , and the first lock groove 112 is disposed in the first joint 111 of the front bracket 11 .

The children's stroller also includes a first elastic member (not shown in the figure), the elastic force of the first elastic member is used to drive the first locking member 5 to slide in the direction in which the first locking member 5 is inserted into the first lock groove 112, that is, The elastic force of the first elastic member resets the first locking mechanism from the unlocked state to the locked state. One end of the first elastic member is disposed on the first locking member 5 , and the other end of the first elastic member is disposed on the bracket 2 .

The second locking mechanism includes a second locking piece 6 and a second lock groove 122 matched with the second locking piece 6, and the second locking piece 6 is slidably arranged on one of the rear bracket 12 and the bracket 2 , the second locking slot 122 is disposed on the other of the rear bracket 12 and the bracket 2 . When the second locking mechanism is in the locked state, the second locking member 6 is inserted into the second locking groove 122 , as shown in FIGS. 8 and 9 . When the second locking mechanism is in the unlocked state, the second locking member 6 escapes from the second locking slot 122 , as shown in FIG. 10 .

In this embodiment, the second locking member 6 is slidably disposed on the bracket 2 , and the second lock groove 112 is disposed in the second joint 121 of the rear bracket 12 .

The stroller also includes a second elastic member 7, the elastic force of the second elastic member 7 is used to drive the second locking member 6 to slide in the direction of inserting the second locking member 6 into the second lock groove 122, that is, the second elastic member 7 The elastic force of the second locking mechanism resets from the unlocked state to the locked state. One end of the second elastic member 7 is disposed on the second locking member 6 , and the other end of the second elastic member 7 is disposed on the bracket 2 .

The stroller also includes an unlocking mechanism that can actuate the unlocking of the first locking mechanism when the unlocking mechanism is operated in the locked state.

The unlocking mechanism includes an unlocking knob 81, a traction cable (not shown) and a first driving member 82, the unlocking knob 81 and the first driving member 82 can be slidably arranged, and the unlocking knob 81 is used to make the first locking mechanism When unlocking, it can be manually operated. The first driving member 82 cooperates with the first locking member 5 . One end of the pulling cable is set on the unlocking knob 81 , and the other end of the pulling cable is set on the first driving member 82 .

One of the first driving member 82 and the first locking member 5 is provided with a first inclined surface 821 , and the other is fixedly provided with a fixing column 51 , and the first inclined surface 721 abuts against and cooperates with the fixing column 51 .

In this embodiment, both the unlocking knob 81 and the first driving member 82 are slidably arranged on the bracket 2 , the first slope 821 is arranged on the first driving member 82 , and the fixing post 51 is arranged on the first locking member 5 .

When the first locking mechanism pulls the unlocking knob 81 to slide relative to the bracket 2 in the locked state, the first driving member 82 is pulled by the traction cable to slide relative to the bracket 2, and the contact between the first inclined surface 821 and the fixed column 51 Assuming that the cooperation drives the first locking member 5 to slide, thereby disengaging from the first locking groove 112, the first locking mechanism is unlocked. During the process of unlocking the first locking mechanism, the sliding direction of the first driving member 82 is perpendicular to the sliding direction of the first locking member 5 .

The stroller also includes a second driving member 9 , which is slidably disposed on the rear bracket 12 or the bracket 2 , and in this embodiment, the second driving member 9 is slidably disposed in the bracket 2 . When the second locking mechanism is in the locked state, the second driving member 9 cooperates with the second locking member 6 . When the stroller turns from the folded front frame 11 to the direction close to the rear frame 12 from the unfolded state, the front frame 11 can cooperate with the second driver 9, so that the second driver 9 is driven to be opposite when the front frame 11 rotates. The rear bracket 12 or the bracket 2 slides, thereby driving the second locking member 6 to slide, and unlocking the second locking mechanism.

Specifically, the upper part of the front bracket 11 is provided with a helical surface 113 , and when the stroller is in the unfolded state, the second driving member 9 is away from the helical surface 113 . When the stroller is folded, the front bracket 11 rotates in a direction close to the rear bracket 12, so that the helical surface 113 gradually approaches the second driving member 9 until the helical surface 113 is matched with one end of the second driving member 9, At this time, when the front bracket 11 continues to rotate, the second driving member 9 can be driven to slide relative to the bracket 2 . In this embodiment, one end of the second driving member 9 capable of abutting against the helical surface 113 is an arc surface 91 .

The other end of the second driving member 9 is provided with a second inclined surface 92 , and when the second locking mechanism is in a locked state, the second inclined surface 92 abuts against and cooperates with one end of the second locking member 6 . When the second driving part 9 slides, the second locking part 6 can be driven to slide relative to the bracket 2 through the abutting fit between the second inclined surface 92 and the second locking part 6, and the sliding direction of the second driving part 9 is the same as that of the second locking part 6. The sliding direction of the locking member 6 is vertical.

When the stroller is in the unfolded state, both the first locking mechanism and the second locking mechanism are in the locked state, as shown in Fig. 1 and Fig. 2 .

When the stroller is folded from the unfolded state, the unlocking handle 81 is operated to make it slide relative to the bracket 2, and the first driving member 82 is pulled by the traction cable to make it also slide relative to the bracket 2, and the first inclined surface 821 and the fixed column 51 makes the first locking member 5 slide relative to the bracket 2 until the first locking member 5 escapes from the first locking slot 112 , and the first locking mechanism is unlocked. Make the front bracket 11 rotate towards the direction close to the rear bracket 12 until the helical surface 113 on the front bracket 11 is matched with an end of the second driver 9, when the front bracket 11 continues to rotate along the current direction, it can Drive the second driving member 9 to slide relative to the bracket 2, and drive the second locking member 6 to slide relative to the bracket 2 through the abutting fit between the second inclined surface 92 and one end of the second locking member 6 until the second locking member 6 slides from the When the second lock slot 122 is disengaged, the second locking mechanism is unlocked. The bracket 2 can be rotated downwards to move closer to the rear support 12, and the front support 11 can continue to rotate backwards to move closer to the rear support 12, as shown in FIGS. 11 and 12 . Until the front bracket 11, the rear bracket 12 and the bracket 2 are close together, the final folding is shown in Fig. 13 and Fig. 14 .

The above-mentioned embodiments are only to illustrate the technical conception and characteristics of the present invention. The purpose is to enable those familiar with this technology to understand the content of the present invention and implement it accordingly, and cannot limit the scope of protection of the present invention. All equivalent changes or modifications made according to the spirit of the present invention shall fall within the protection scope of the present invention.

Claims (10)

1. A child stroller, comprising a stroller frame, the stroller frame comprising a front bracket and a rear bracket, the upper part of the front bracket and the upper part of the rear bracket are pivotally connected by a first shaft, its feature In that: the baby stroller also includes a bracket for installing a child car seat, one of the upper part of the front bracket and the upper part of the rear bracket is connected to the front of the bracket through a second pivotally connected, the stroller also includes a first locking mechanism for locking the relative position of the front bracket and the bracket, and a first locking mechanism for locking the relative position of the rear bracket and the bracket. The second locking mechanism and the unlocking mechanism for driving the unlocking of the first locking mechanism, after the first locking mechanism is unlocked, the second locking mechanism is driven when the front bracket rotates in a direction close to the rear bracket Agency unlocked. 2. The stroller for children according to claim 1, wherein the second axis is arranged parallel to the first axis, and both extend along the left and right directions. 3. The stroller according to claim 1, characterized in that: the front bracket and the rear bracket are respectively arranged on the left and right sides of the bracket, and the upper part of the front bracket on each side is arranged There is a first joint, the upper part of the rear bracket is provided with a second joint, the first joint and the second joint are pivotally connected by the first shaft, and one side of the bracket is connected to a corresponding The second joint on the side is pivotally connected by the second shaft, the first joint is accommodated in the second joint, or one side of the bracket is connected to the first joint on the corresponding side. A joint is pivotally connected by the second shaft, and the second joint is received in the first joint. 4. The stroller according to claim 1, wherein the first locking mechanism comprises a first locking member slidably disposed on one of the front frame and the bracket and the first lock groove provided on the other, when the first locking mechanism is in the locked state, the first locking member is inserted into the first lock groove, when the first locking mechanism is in the In the unlocked state, the first locking member is disengaged from the first locking groove. 5. The stroller according to claim 4, characterized in that: the unlocking mechanism comprises an unlocking knob, a traction cable and a first driving member, and both the unlocking knob and the first driving member can slide It is arranged on the part where the first locking member is arranged in both the front bracket and the bracket, the first driving member cooperates with the first locking member, and one end of the pulling cable is arranged on On the unlocking knob, the other end of the pulling cable is arranged on the first driving member. 6. The stroller according to claim 5, characterized in that: one of the first driving part and the first locking part is provided with a first slope, and the other is fixedly provided with a As for the fixing column, the first inclined surface is matched with the fixing column. 7. The stroller according to claim 1, wherein the second locking mechanism comprises a second locking member slidably disposed on one of the rear frame and the bracket and a second lock groove provided on the other, when the second locking mechanism is in the locked state, the second locking member is inserted into the second lock groove, when the second locking mechanism is in the In the unlocked state, the second locking member is disengaged from the second locking slot. 8. The children's stroller according to claim 7, characterized in that: the children's stroller further comprises a second driving member, and the second driving member is slidably arranged between the rear bracket and the bracket. Among them, the second locking part is arranged on the part, the second driving part cooperates with the second locking part, and when the stroller is in the unfolded state, the second driving part is far away from the front The bracket, when the front bracket is folded and rotated toward the rear bracket when the stroller is folded, the front bracket can abut against and cooperate with one end of the second driving member. 9. The stroller according to claim 8, characterized in that: the upper part of the front bracket is provided with a helical surface, and when the stroller is in the unfolded state, the second driving member is away from the helical surface , when the front frame of the baby stroller is folded and rotated toward the direction close to the rear frame, the helical surface can abut and cooperate with one end of the second driving member. 10. The stroller according to claim 8, characterized in that: the other end of the second driving member is provided with a second slope, when the second locking mechanism is in the locked state, the second slope It is matched with one end of the second locking part.

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