CN104085433B - Folding positioning mechanism and baby carriage with same - Google Patents

Abstract

The present invention discloses a folding and positioning mechanism, which is arranged on the frame of a baby stroller, wherein the folding and positioning mechanism includes a fixing member fixed on the frame and a folding and positioning member pivotally connected to the fixing member and having a use position and a storage position relative to the frame; the folding and positioning member is positioned in the use position, the folding and positioning member protrudes from the frame and can lock the folded baby stroller; the folding and positioning member is positioned in the storage position, the folding and positioning member is stored on the frame and releases the lock on the folded baby stroller, so that the folding and positioning mechanism of the present invention can prevent the folded baby stroller from being accidentally unfolded, and will not cause obstacles to the baby's riding when the baby stroller is unfolded. In addition, the present invention also discloses a baby stroller having the folding and positioning mechanism.

Description

Collapsible positioning mechanism and baby carriage with the mechanism

technical field

The invention relates to a children's article, in particular to a folding positioning mechanism arranged on a baby carriage and a baby carriage with the mechanism.

Background technique

With the continuous development of the economy, the continuous progress of the society and the continuous improvement of the level of science and technology, people are provided with a wealth of consumer goods to meet people's various needs, and the baby carriage is one of many consumer goods, and because the baby carriage is convenient The advantages of people taking care of babies make baby carriages more and more popular.

As we all know, in order to facilitate the collection and transportation of the baby carriage, the manufacturer designs the baby carriage as a folding type, so that the volume of the baby carriage becomes smaller after folding and is convenient for storage and transportation. Wherein, in order to prevent the stroller from being accidentally unfolded after being folded, a retractable hook is fixed on the frame of the stroller. The retractable hook protrudes from the frame. When the frame is folded, the retractable hook is It is engaged and fixed with the protrusion on the vehicle frame, thereby realizing the purpose of preventing the folded stroller from unfolding accidentally.

However, since the retractable hook is fixed on the vehicle frame and protrudes from the vehicle frame, the retractable hook forms a protrusion, so when the baby carriage is unfolded and carries the baby, the protrusion will hinder the baby from riding. Thereby it is not convenient for the baby to ride.

Therefore, there is an urgent need for a folding positioning mechanism and a stroller with the mechanism to overcome the above-mentioned defects.

Contents of the invention

An object of the present invention is to provide a folding positioning mechanism that can prevent the folded stroller from unfolding accidentally and will not hinder the baby when the stroller is unfolded.

Another object of the present invention is to provide a folding and positioning mechanism. When the folding and positioning mechanism is in a use position, the folding and positioning mechanism will automatically fix the baby carriage in the process of folding the baby carriage. folded state.

Another object of the present invention is to provide a baby stroller that can prevent accidental unfolding after being folded and will not hinder the baby when unfolded.

In order to achieve the above object, the present invention provides a retractable positioning mechanism, which is arranged on the frame of the stroller, wherein the retractable positioning mechanism of the present invention includes a fixing member fixed on the frame and pivoted with the fixing member. The retractable positioning part is connected to and opposite to the vehicle frame and has a use position and a storage position; the retractable positioning part is positioned at the use position, and the retractable positioning part protrudes from the vehicle frame and can lock the folded stroller; The folding positioning part is positioned at the storage position, the folding positioning part is stored on the vehicle frame and prevents the folding positioning part from forming a protrusion on the vehicle frame, and the folding positioning part also releases and locks the folded stroller. Wherein, one of the folding positioning member and the fixing member has at least two segment portions, and the other of the retracting positioning member and the fixing member has a matching portion selectively matched with the segment portions; the retracting positioning member pivots to In the use position, the matching part is positioned and matched with one of the segment parts; the retractable positioning part is pivoted to the storage position, and the matching part is positioned and matched with the other segment part of the segment parts

Preferably, both the segment portion and the matching portion are arranged along the direction of the pivoting centerline of the retractable positioning member and the fixing member.

Preferably, each segment part corresponds to a matching part.

Preferably, all the fitting parts are arranged in a spaced apart ring shape.

Preferably, the segment part is a positioning recess, and the matching part includes a positioning protrusion and a shrapnel that cooperate with the positioning recess, and the positioning protrusion is arranged on the shrapnel; the pivoting of the folding positioning part relative to the fixing part makes the positioning protrusion push the shrapnel away from the positioning The direction of the concave is deformed, so that the positioning protrusion goes over one positioning concave and slides into another positioning concave.

Preferably, the fixing part has a hollow structure, and the hollow structure forms a pivoting cavity, and the matching part is located in the pivoting cavity, and the folding positioning part also has a pivoting part cooperating with the pivoting cavity, and the segment part is located in the pivoting part .

Preferably, the end of the folding positioning member away from the pivot joint has an engaging portion for engaging and locking with the folded stroller.

Preferably, the side of the retractable positioning member facing the fixing member is in a concave structure, and the concave structure forms an engaging portion.

Preferably, each segment part corresponds to a matching part, and all the matching parts are arranged in a spaced-apart ring shape.

Preferably, the section part is a positioning recess, and the matching part includes a positioning protrusion and an elastic piece that cooperates with the positioning recess. The positioning protrusion is arranged on the elastic plate, and the elastic plate is connected to the inner wall of the pivot cavity; The rotation causes the positioning protrusion to push the shrapnel to deform in a direction away from the positioning recess, so that the positioning protrusion passes over one positioning recess and slides into another positioning recess.

The stroller of the present invention includes a vehicle frame and a folding positioning mechanism, the vehicle frame includes a first pole and a second pole that can be folded with each other, and the folding positioning mechanism is arranged on the first pole, wherein the folding positioning mechanism includes A fixing part fixed on the first pole and a retractable positioning part which is pivotally connected with the fixing part and has a use position and a storage position relative to the first support rod; the retractable positioning part is positioned in the use position, The folding positioning part protrudes from the first pole and can lock the folded second pole to fix the stroller in a folded state; the folding positioning part is positioned at the storage position, and the folding positioning part is stored On the first pole and prevent the folding positioning part from forming a protrusion on the vehicle frame, the folding positioning part also releases and locks the folded second pole. Wherein, one of the folding positioning member and the fixing member has at least two segment portions, and the other of the retracting positioning member and the fixing member has a matching portion selectively matched with the segment portions; the retracting positioning member pivots to In the use position, the matching part is positioned and matched with one of the segment parts; the retractable positioning member is pivoted to the storage position, and the matching part is positioned and matched with the other segment part of the segment parts.

Preferably, both the segment portion and the matching portion are arranged along the direction of the pivoting centerline of the folding positioning member and the fixing member.

Preferably, the section part is a positioning recess, and the matching part includes a positioning protrusion and a shrapnel that cooperate with the positioning recess, and the positioning protrusion is arranged on the shrapnel; the pivoting of the folding positioning part relative to the fixing part makes the positioning protrusion push the shrapnel away from the positioning recess The direction of the deformation, and then make the positioning convex over a positioning concave and slide into another positioning concave.

Preferably, the retractable positioning member is located at the use position, and the retractable positioning member is at an angle to the first support rod; the retractable positioning member is located at the storage position, and the retractable positioning member is approximately parallel to the first support rod.

Preferably, one end of the retractable positioning member has a pivot joint that is pivotally connected to the fixing member, and the other end of the retractable positioning member has an engaging portion that can engage with the second pole to fix the stroller in the aforementioned folded state.

Preferably, the second pole is provided with a protrusion engaged with the engaging portion.

Preferably, the retractable positioning member has at least two segment portions, the fixing member has a matching portion selectively matched with the segment portions, and the segment portions are located in the pivot joint portion.

Since the retractable positioning member of the present invention is pivotally connected to the fixing member and has a use position and a storage position relative to the vehicle frame, when the retractable positioning member is positioned and pivoted to the use position, the retractable positioning member at this time protrudes Out of the frame and can automatically lock the folded baby carriage, effectively preventing the accidental unfolding of the folded baby carriage; when the folding positioning part is positioned and pivoted to the storage position, the folding positioning part is stored in the The folded stroller is locked on the vehicle frame and released to hide the folding positioning part, preventing the folding positioning part from forming a protrusion on the vehicle frame and causing obstacles to the baby's riding. Therefore, the folding positioning mechanism of the present invention The folded baby carriage can be prevented from unfolding accidentally, and the baby carriage will not be hindered when the baby carriage is unfolded. At the same time, since the baby carriage of the present invention has the folding positioning mechanism of the present invention, the baby carriage of the present invention can prevent it from unfolding unexpectedly after being folded, and will not cause hindrance to the baby's riding when unfolding.

Description of drawings

FIG. 1 is a perspective view of the stroller of the present invention when the folding positioning member is pivoted to the use position.

Fig. 2 is a perspective view of the folded stroller of the present invention when the retracted positioning member is pivoted to the use position and engaged and locked with the second support rod.

FIG. 3 is a perspective view of the stroller of the present invention when the retractable positioning member is pivoted to the stowed position.

Fig. 4 is a perspective view of the folding and positioning mechanism of the present invention installed on the first pole of the stroller.

Fig. 5 is an exploded perspective view of the retractable positioning mechanism of the present invention.

FIG. 6 is a perspective view of the retractable positioning member shown in FIG. 5 .

Fig. 7 is a perspective view of the fixing part shown in Fig. 5 .

detailed description

In order to describe the technical content and structural features of the present invention in detail, further description will be given below in conjunction with the implementation and accompanying drawings.

1 to 3, the stroller 100 of the present invention includes a vehicle frame 20 and a retractable positioning mechanism 10, the vehicle frame 20 includes a first pole 22 and a second pole 24 that can be folded mutually, so that the vehicle frame 20 It can be folded. Specifically, in this embodiment, the vehicle frame 20 also includes a third pole 25 and a first pivot support 26 and a second pivot support 27 that are pivotally connected to each other. The top end is pivotally connected to the bottom end of the second pole 24, the bottom end of the first pole 22 is pivotally connected to the third pole 25, the first pivot support member 26 is pivotally connected to the third pole 25, and the second pivot The support member 27 is pivotally connected to the first pole 22, so that when the vehicle frame 20 is unfolded, the first pole 22, the third pole 25, the first pivot support 26 and the second pivot support 27 Together they form a triangular structure, so that the frame 20 can support the baby more reliably when unfolded, and more convenient when folded; more specifically, in this embodiment, the stroller 100 of the present invention also includes a front wheel set 21 and rear wheel group 23, front wheel group 21 is located on the first pole 22, and rear wheel group 23 is located on the 3rd pole 25.

Please refer to FIG. 4, the retractable positioning mechanism 10 is set on the first pole 22, and the retractable positioning mechanism 10 includes a fixing part 10b fixed on the first pole 22 and a retractable positioning part 10a. The member 10a is pivotally connected to the fixing member 10b, and rotates along a pivotal centerline relative to the first support rod 22, so that the retractable positioning member 10a has the use position and position shown in FIG. 1 or FIG. 2 relative to the first support rod 22. The stowed position shown in FIG. 3 or FIG. 4; when the retractable positioning member 10a is positioned and pivoted to the use position as shown in FIG. 1 or FIG. 2, the retractable positioning member 10a at this time protrudes the first The pole 22 forms an angle with the first pole 22 and can automatically lock the folded second pole 24 to fix the stroller 100 in the folded state as shown in Figure 2; When the positioning is pivoted to the storage position as shown in FIG. 3 or FIG. 4 , the retractable positioning member 10a at this time is stored on the first support rod 22 and is roughly parallel to the first support rod 22 (that is, at this time The folded positioning member 10a is parallel to the first pole 22) and released to lock the folded second pole 22, the state is shown in FIG. 3 . Specifically, as shown in FIG. 5 , the preferred way to realize the positional and pivotal connection of the retractable positioning member 10a is that the retractable positioning member 10a has at least two segment portions 11, and the fixing member 10b has a position that selectively cooperates with the segment portions 11. Cooperating part 12; when the retractable positioning member 10a is pivoted counterclockwise in FIG. 3 to the use position shown in FIG. When the retractable positioning member 10a pivots clockwise in FIG. 1 to the stowed position shown in FIG. The pivotal positioning between the retractable positioning part 10a and the fixing part 10b is simpler and more reliable. It can be understood that, in other embodiments, the segment portion 11 can be provided on the fixing member 10b, and correspondingly, the matching portion 12 is provided on the retractable positioning member 10a, which can also realize the positioning of the retractable positioning member 10a. The pivotal purpose. More specifically, as follows:

Please refer to FIG. 5 to FIG. 7, the above-mentioned segment part 11 and the matching part 12 are arranged along the direction of the pivoting centerline of the retractable positioning part 10a and the fixing part 10b, so as to reduce the space gap between the segment part 11 and the matching part 12 along the radial direction. Occupancy; specifically, each segment part 11 corresponds to a matching part 12, so that the positioning and pivoting between the retractable positioning part 10a and the fixing part 10b is more reliable, preferably, all the matching parts 12 are spaced apart Annular arrangement, so that the setting of the matching part 12 on the fixing part 10b is more compact and reasonable; more specifically, the section part 11 is a positioning concave, and the matching part 12 includes a positioning convex 121 and an elastic piece 122 that cooperate with the positioning concave, and the positioning convex 121 is relatively small. Preferably, it is fixed on the end of the elastic piece 122; when the folding positioning piece 10a pivots between the use position and the storage position relative to the fixing piece 10b, the positioning protrusion 121 pushes the elastic piece 122 to deform in a direction away from the positioning concave, Furthermore, the positioning protrusion 121 is made to pass over one positioning recess and slide into another positioning recess, thereby simplifying the structure of the segment portion 11 and the matching portion 12, and making the adjustment of the retractable positioning member 10a more segmental.

Please refer to Fig. 5 to Fig. 7 again, the fixing member 10b has a hollow structure, and the hollow structure forms a pivot cavity 14, which is preferably a cylindrical cavity to facilitate the processing of the pivot cavity 14, and the matching part 12 is located in the pivot cavity 14, and the retractable positioning member 10a also has a pivot joint 13 that cooperates with the pivot cavity 14 to pivot. 14, the segment part 11 is located in the pivoting part 13; the elastic piece 122 of the matching part 12 is pivotally connected to the inner wall 141 of the pivoting chamber 14, and the elastic pieces 122 are set apart from each other, so that the elastic piece 122 is a positioning protrusion The reset of 121 provides more reliable reset force. Wherein, the segment part 11 is located in the pivotal part 13, and the matching part 12 is located in the pivot cavity 14, and the collapsible positioning part 10a and the fixing part 10b assembled together make the matching part 12 and the segment part 11 hidden, so as to ensure the matching The protection of the part 12 and the segment part 11 is to ensure the reliable operation of the matching part 12 and the segment part 11.

At the same time, the end of the retractable positioning member 10a away from the pivotal portion 13 has an engaging portion 15, and the second pole 24 is provided with a projection for the second pole 24 to engage with the engaging portion 15 after being folded. 241, so that the engagement between the retractable positioning member 10a and the second pole 24 is more reliable. Specifically, in this embodiment, the retractable positioning member 10a is in a concave structure on the side facing the fixing member 10b, and the concave structure forms a The engaging portion 15 is used to simplify the structure of the engaging portion 15 . In other embodiments, the matching portion 12 does not have the elastic piece 122, and an elastic element, such as a spring, is disposed between the retractable positioning member 10a and the fixing member 10b, and the elastic element provides a reset force for the retractable positioning member 10a.

In conjunction with the accompanying drawings, the working principle of the stroller of the present invention will be described in detail: when the stroller 100 is folded, the operator first pivots the folding positioning member 10a to the use position, and makes the second support rod 24 move toward the first One pole 22 is close, and the third pole 25 is close to the first pole 22, so that the protrusion 241 on the second pole 24 and the retractable positioning part 10a at the use position on the first pole 22 are mutually Move closer; when the second pole 24 is further close to the first pole 22 and is in the folded state shown in FIG. The protrusions 241 of the folded stroller 100 are engaged with each other, so as to realize the purpose of locking the folded stroller 100; when the folded stroller 100 is to be unfolded, first pivot the folding positioning member 10a to the storage position, Make the retractable positioning part 10a store on the first pole 22 and release it to lock the folded stroller 100 without forming a protrusion on the first pole 22; then, the operator makes the second pole 24 And the third pole 25 is deployed along the direction away from the first pole 22, so that the stroller 100 is in the unfolded state shown in FIG. 3 . It should be noted that during the process of engaging the engaging portion 15 of the retractable positioning member 10a with the protrusion 241, another operation mode for engaging the engaging portion 15 with the protrusion 241 is that the operator can first place the stroller 100 fold, at this time, the retractable positioning part 10a in the storage position is pivoted to the use position, so that the engaging part 15 of the retractable positioning part 10a is engaged with the protrusion 241, so as to realize the folding of the stroller 100's of locked purposes.

Since the retractable positioning member 10a of the present invention is pivotally connected to the fixing member 10b and has a use position and a storage position relative to the vehicle frame 20, when the retractable positioning member 10a is positioned and pivoted to the use position, the retracted position at this time The folding positioning part 10a protrudes from the vehicle frame 20 and can automatically lock the folded baby carriage 100, effectively preventing the accidental unfolding of the folding baby carriage 100; when the folding positioning part 10a is positioned and pivoted to the storage position, this When the folding positioning part 10a is stored on the vehicle frame 20 and released to lock the folded stroller 100, the folding positioning part 10a is hidden, preventing the folding positioning part 10a from forming a protrusion on the vehicle frame 20 and causing a The baby's riding is obstructed, therefore, the folding positioning mechanism 10 of the present invention can prevent the folded baby carriage 100 from unfolding accidentally, and will not bring hindrance to the baby's riding when the baby carriage 100 is unfolded. At the same time, since the stroller 100 of the present invention has the folding positioning mechanism 10 of the present invention, the stroller 100 of the present invention can prevent it from unfolding accidentally after being folded, and will not cause hindrance to the baby's riding when unfolded.

The above disclosures are only preferred examples of the present invention, and certainly cannot limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.

Claims (17)

1. A folding and positioning mechanism, which is arranged on the frame of the stroller, characterized in that the folding and positioning mechanism includes a fixing member fixed on the vehicle frame and pivotally connected with the fixing member and Relative to the vehicle frame, there is a retractable positioning member with a use position and a stowed position; the retractable positioning member is positioned at the use position, and the retractable positioning member protrudes from the vehicle frame and can The folded stroller is locked; the retractable locator is positioned at the stowed position, the retractable locator is stored on the frame and prevents the retractable locator from being placed on the frame A protrusion is formed on the upper part, and the folding positioning part also releases the locking of the folded baby carriage; wherein, one of the folding positioning part and the fixing part has at least two segments, and the folding positioning part and The other of the fixing parts has a matching part selectively matched with the section part; the retractable positioning part is pivoted to the use position, and the matching part is positioned and matched with one of the section parts ; The retractable positioning member is pivoted to the storage position, and the matching portion is positioned and matched with the other segment portion of the segment portions. 2 . The retractable positioning mechanism according to claim 1 , wherein the segment portion and the matching portion are both arranged along the direction of the pivoting centerline of the retractable positioning member and the fixing member. 3 . 3 . The retractable positioning mechanism according to claim 1 , wherein each of the segment portions corresponds to one of the matching portions. 4 . 4 . The retractable positioning mechanism according to claim 3 , wherein all the matching portions are arranged in a spaced-apart ring shape. 5. The retractable positioning mechanism according to any one of claims 1 to 4, characterized in that, the segment portion is a positioning recess, and the matching portion includes a positioning protrusion and a shrapnel that cooperate with the positioning recess, and the The positioning protrusion is provided on the elastic sheet; the pivoting of the retractable positioning member relative to the fixing member causes the positioning protrusion to push the elastic sheet to deform in a direction away from the positioning recess, thereby making the positioning protrusion Go over one of the positioning recesses and slide into the other positioning recess. 6. The retractable positioning mechanism according to claim 1, wherein the fixing member is a hollow structure, the hollow structure forms a pivot cavity, the matching part is located in the pivot cavity, and the The retractable positioning member also has a pivoting portion cooperating with the pivoting cavity to pivot, and the segment portion is located in the pivoting portion. 7 . The retractable positioning mechanism according to claim 6 , wherein the end of the retractable positioning member away from the pivot joint has an engaging portion for engaging and locking with the folded stroller. 8 . 8 . The retractable positioning mechanism according to claim 7 , wherein a side of the retractable positioning member facing the fixing member is in a concave structure, and the concave structure forms the engaging portion. 9 . 9 . The retractable positioning mechanism according to claim 6 , wherein each of the segment portions corresponds to one of the matching portions, and all the matching portions are arranged in a spaced-apart ring shape. 10 . 10. The retractable positioning mechanism according to claim 9, wherein the segment portion is a positioning recess, the matching portion includes a positioning protrusion and an elastic piece that cooperate with the positioning recess, and the positioning protrusion is arranged on the positioning recess. The elastic piece is connected to the inner wall of the pivot cavity; the pivoting of the retractable positioning piece relative to the fixing piece makes the positioning protrusion push the elastic piece away from the positioning concave. The direction is deformed, and then the positioning protrusion passes over one of the positioning recesses and slides into the other positioning recess. 11. A stroller, comprising a vehicle frame and a folding positioning mechanism, the vehicle frame includes a first pole and a second pole that can be folded with each other, and the folding positioning mechanism is arranged on the first pole , it is characterized in that the retractable positioning mechanism includes a fixing piece fixed on the first support rod and is pivotally connected with the fixing piece and has a use position and a storage position relative to the first support rod. position of the retractable locator; the retractable locator is positioned at the use position, the retractable locator protrudes from the first pole and can lock the folded second pole, so that The stroller is fixed in a folded state; the retractable positioning member is positioned at the storage position, and the retractable positioning member is stored on the first pole and prevents the retractable positioning member from A protrusion is formed on the vehicle frame, and the retractable positioning member also releases the locking of the folded second pole; wherein, one of the retractable positioning member and the fixing member has at least two segments, The other of the retractable positioning part and the fixing part has a matching part selectively matched with the section part; the retractable positioning part pivots to the use position, and the matching part and the section part One of the segment parts is positioned and matched; the retractable positioning member pivots to the storage position, and the matching part is positioned and fitted with the other segment part of the segment parts. 12 . The stroller according to claim 11 , wherein the section portion and the matching portion are arranged along the direction of the pivoting centerline of the folding positioning element and the fixing element. 13 . 13. The stroller according to any one of claims 11 to 12, wherein the segment portion is a positioning recess, and the matching portion includes a positioning protrusion and an elastic piece that cooperate with the positioning recess, and the positioning protrusion It is arranged on the elastic sheet; the pivoting of the retractable positioning member relative to the fixing member causes the positioning protrusion to push the elastic sheet to deform in a direction away from the positioning concave, so that the positioning protrusion passes over a said positioning recess and slide into another said positioning recess. 14. The stroller according to claim 11, wherein the retractable positioning member is located at the use position, and the retractable positioning member forms an angle with the first pole; the retractable positioning member The positioning part is located at the storage position, and the retracting positioning part is substantially parallel to the first pole. 15. The stroller according to claim 11, wherein one end of the retractable positioning member has a pivot joint with the fixing member, and the other end of the retractable positioning member has an engaging part, the engaging part can be engaged with the second pole to fix the stroller in the folded state. 16 . The stroller according to claim 15 , wherein the second pole is provided with a protrusion engaged with the engaging portion. 17 . 17. The stroller according to claim 15, wherein the retractable positioning member has at least two segment portions, the fixing member has a mating portion selectively matched with the segment portions, and the segment portions Located in the pivot joint.