CN209904848U - Push rod assembly of folding stroller and folding stroller - Google Patents
Push rod assembly of folding stroller and folding stroller Download PDFInfo
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- CN209904848U CN209904848U CN201920160467.0U CN201920160467U CN209904848U CN 209904848 U CN209904848 U CN 209904848U CN 201920160467 U CN201920160467 U CN 201920160467U CN 209904848 U CN209904848 U CN 209904848U
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Abstract
The utility model discloses a push rod subassembly and folding children's shallow of folding children's shallow, including two side push rod subassemblies that set up symmetrically, every side push rod subassembly includes horizontal pole, upper push rod, lower push rod, has the relative expansion position, the first relative position that switch through the relative pivot of the two between upper push rod and the lower push rod, is provided with between upper push rod and the lower push rod and locks the two at the locking device of relative expansion position, still has between upper push rod and the lower push rod and can switch in the relative position when the locking device unblock with the first relative position and draw in the position in; the cross rods in the two side push rod assemblies are mutually connected in a rotating way; the two cross rods are relatively close to each other, and the upper push rod and the lower push rod in the two side push rod assemblies are switched to a first relative position, so that the locking device is in an unlocking state. The utility model discloses, make the locking device unblock among the push rod assembly at the folding in-process of push rod assembly, simplified the whole folding operating procedure of shallow.
Description
Technical Field
The utility model relates to a push rod assembly and folding children's shallow of folding children's shallow.
Background
The folding baby carriage is a very common tool for children to ride in, and is pushed by adults. In order to facilitate the use and storage of consumers, when the cart is designed and manufactured, the cart is required to be light as much as possible while the safety is ensured, the folding and unfolding operation is convenient, and the volume of the folded cart is small. Some stroller can be folded in the left and right directions while being folded in the up and down directions, so that the purpose of reducing the volume after folding is achieved, but the stroller is bound to cause that the structure of the stroller frame is complicated, more rod pieces are provided, the stroller frame is heavy, and a locking mechanism and an unlocking part are required to be additionally arranged for locking and unlocking the push rod assembly, so that the operation steps of the stroller during folding and unfolding are increased; and if the frame is not folded in the left and right direction, the size of the frame in the left and right direction is directly reduced, and the space of the child sitting position is also limited.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims to provide a push rod assembly and folding children's shallow of folding children's shallow.
In order to achieve the above purpose, the utility model discloses a technical scheme is: a push rod assembly of a folding children's cart comprises two side push rod assemblies symmetrically arranged on the left side and the right side of the folding children's cart, wherein each side push rod assembly comprises a cross rod, an upper push rod the upper part of which is connected with the cross rod, and a lower push rod which can be relatively and pivotally connected with the upper push rod; the cross rods in the two side push rod assemblies are mutually connected in a rotating way;
the push rod assembly has an opening state and a folding state, when the push rod assembly is in the opening state, the two cross rods are oppositely unfolded, the upper push rod and the lower push rod are in opposite unfolding positions, and the locking device is in a locking state; when the push handle assembly is in the process of transition from the opening state to the folding state, the two cross rods are relatively close to each other, and the upper push rod and the lower push rod in the two side push rod assemblies are switched to a first relative position, so that the locking device is in an unlocking state; when the push rod assembly is in a folded state, the two cross rods are kept relatively close to each other, and the upper push rod and the lower push rod are in a relatively folded position.
The upper push rod and the lower push rod are connected in a relatively movable mode, the relatively folded position and the first relative position are switched through the relative movement of the upper push rod and the lower push rod, when the upper push rod and the lower push rod are located at the relatively unfolded position and the first relative position, the upper push rod and the lower push rod extend out relatively, and when the upper push rod and the lower push rod are located at the relatively folded position, the upper push rod and the lower push rod retract relatively.
Furthermore, during the transition of the push handle assembly from the unfolded state to the folded state, the two cross bars are rotatably protruded out of the plane formed by the two upper push rods.
Furthermore, the locking device comprises a lock hole formed in the lower push rod, a lock tongue which is connected to the upper push rod in a sliding mode and can be detachably connected with the lock hole in an inserted mode, and an elastic piece which enables the lock tongue to be inserted into the lock hole, wherein the lock tongue is provided with an inclined surface which can be in sliding contact with the edge of the lock hole to enable the lock tongue to be separated from the lock hole.
Further, the inclined surface is parallel to the axis line of the relative pivot between the upper push rod and the lower push rod.
Further, when the push rod assembly is in an opening state, the upper push rod and the lower push rod which are positioned on the left side of the folding stroller incline towards the left rear side from bottom to top, and the upper push rod and the lower push rod which are positioned on the right side of the folding stroller incline towards the right rear side from bottom to top.
Furthermore, compared with the unfolded state of the push rod assembly, the distance between the bottom ends of the lower push rods on the left side and the right side is unchanged, and the upper push rods on the left side and the right side are closer together.
Furthermore, in the process of the push rod assembly from the opening state to the folding state, the two cross rods are relatively close to each other, so that the upper push rods on the left side and the right side are closer to each other, and the upper parts of the lower push rods on the left side and the right side are closer to each other.
The utility model also provides another kind of technical scheme: a foldable baby stroller comprises a foldable and openable stroller frame, wheels connected to the bottom of the stroller frame, a seat pocket installed on the stroller frame, and a stroller frame locking device for locking the stroller frame in an open state. The frame is provided with the push rod assembly.
Due to the adoption of the technical scheme, the utility model discloses push rod assembly and folding children's shallow of folding children makes the locking device unblock among the push rod assembly at the folding in-process of push rod assembly, has simplified the whole folding operating procedure of shallow to the size reduction in left right side direction when folding through push rod assembly realizes that the whole folding back of shallow is reducing in the size of left right side direction, has simplified children's shallow overall structure.
Drawings
Fig. 1 is a schematic view of a front view structure of a push rod assembly and a foldable stroller of the present invention, wherein the push rod assembly is in an open state, and the foldable stroller is opened as a whole;
FIG. 2 is a side view schematic of the structure of FIG. 1;
fig. 3 is a schematic view of the structure of the middle push rod assembly and the foldable stroller of the present invention, wherein the push rod assembly is in a semi-folded state, and other components of the frame of the foldable stroller are not folded;
FIG. 4 is a side view schematic of the structure of FIG. 3;
fig. 5 is a schematic view of the structure of the middle push rod assembly and the foldable stroller of the present invention, wherein the push rod assembly is in a folded state, and other components of the frame of the foldable stroller are not folded;
FIG. 6 is a side view schematic of the structure of FIG. 5;
fig. 7 is a schematic view of the structure of the middle push rod assembly and the foldable stroller of the present invention, wherein the push rod assembly is in a folded state and the foldable stroller is folded as a whole;
FIG. 8 is a side view schematic of the structure of FIG. 7;
fig. 9 is a schematic structural diagram of a locking device in a middle push rod assembly of the present invention, i.e., a schematic structural diagram of a section a-a in fig. 1 (structural symmetry of the locking device on the left and right sides).
The reference numbers in the figures are:
1. a push rod assembly; 11. a push rod is arranged; 12. a lower push rod; 121. a lock hole; 13. a cross bar; 14. a latch bolt; 141. a bevel; 2. a joint; 3. a front bracket; 4. a rear bracket; 5. a seat post; 6. a front wheel; 7. a rear wheel; 8. a transverse stay bar.
Detailed Description
The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, enables those skilled in the art to more readily understand the advantages and features of the invention.
As can be seen from the schematic structural views of fig. 1 to 9, the push rod assembly of the foldable stroller in this embodiment includes two side push rod assemblies 1 symmetrically disposed at the left and right sides of the foldable stroller.
Each side push rod assembly 1 comprises a cross rod 13, an upper push rod 11, the upper portion of which is connected with the cross rod 13, and a lower push rod 12, the upper push rod 11 and the lower push rod 12 are connected with each other in a relatively pivoting manner, a relatively unfolding position, a first relative position and a relatively folding position are arranged between the upper push rod 11 and the lower push rod 12, the relatively unfolding position and the first relative position are switched through the relative pivoting of the upper push rod 11 and the lower push rod 12, a locking device for locking the upper push rod 11 and the lower push rod 12 at the relatively unfolding position is arranged between the upper push rod 11 and the lower push rod 12, the locking device is unlocked through the pivoting between the upper push rod 11 and the lower push rod 12, and after the locking device is unlocked, the. The cross bars 13 of the two side push rod assemblies 1 are rotatably connected with each other, and in a more specific connection structure, one ends of the two cross bars 13 are rotatably connected with each other, and the other end of each cross bar 13 is fixedly connected with the upper end of the upper push rod 21 of the side push rod assembly 1.
The push rod assembly has an opening state and a folding state, when the push rod assembly is in the opening state, the two cross rods 13 are oppositely unfolded, the upper push rod 11 and the lower push rod 12 are in a relatively unfolded position, and the locking device is in a locking state; when the push handle assembly is in the process of transition from the opening state to the folding state, the two cross rods 13 are relatively close to each other, specifically, the two cross rods 13 are rotationally protruded out of a plane formed by the two upper push rods 11, and the upper push rods 11 and the lower push rods 12 in the two side push rod assemblies 1 are switched to a first relative position, so that the locking device is in an unlocking state; when the push rod assembly is in a folded state, the two cross rods 13 are kept relatively close to each other, and the upper push rod 11 and the lower push rod 12 are in a relatively folded position.
In a more preferred embodiment, the upper push rod 11 and the lower push rod 12 can be connected in a relatively movable manner in addition to being capable of relative pivoting, specifically, when the upper push rod 11 and the lower push rod 12 are in a relatively unfolded position and a first relative position, the upper push rod 11 and the lower push rod 12 are relatively extended out, and when the upper push rod 11 and the lower push rod 12 are in a relatively folded position, the upper push rod 11 and the lower push rod 12 are relatively retracted. In a more specific coupling structure, the lower portion of the upper push rod 11 is inserted into the lower push rod 12 from the upper end thereof from the top down and movably.
The above-described locking device is used to define the relative movement relationship between the upper push rod 11 and the lower push rod 12, that is: the relative movement relationship between the upper push rod 11 and the lower push rod 12 is defined when the lock device is in the locked state, and the relative movement between the upper push rod 11 and the lower push rod 12 is enabled when the lock device is in the unlocked state. The relative closed position and the first relative position are switched by the relative movement of the upper push rod 11 and the lower push rod 12.
The embodiment provides a specific structure of a locking device, which comprises a lock hole 121 formed on a lower push rod 12, a lock tongue 14 slidably connected to an upper push rod 11 and detachably inserted into the lock hole 121, and an elastic member (not shown in the drawings, the elastic member is preferably a compression spring) capable of inserting the lock tongue 14 into the lock hole 121, wherein the lock tongue 14 has an inclined surface 141 capable of slidably contacting with the edge of the lock hole 121 to separate the lock tongue 14 from the lock hole 121. More specifically, the inclined surface 141 is parallel to the axis line of relative pivoting between the upper push rod 11 and the lower push rod 12.
In a more preferred embodiment, the upper push bar 11 and the lower push bar 12 on the left side of the folding stroller are inclined from bottom to top to the left and the upper push bar 11 and the lower push bar 12 on the right side of the folding stroller are inclined from bottom to top to the right and when the push bar assembly is in the unfolded state. Compared with the unfolded state of the push rod assembly, the distance between the bottom ends of the lower push rods 12 on the left side and the right side is unchanged, and the upper push rods 11 on the left side and the right side are closer together. Specifically, during the transition of the push rod assembly from the unfolded state to the folded state, the two cross rods 13 are relatively close to each other, so that the upper push rods 11 (and the lower push rods 12) on the left and right sides are closer to each other. In this embodiment, when the push rod assembly is in the folded state, the lower push rods 12 on the left and right sides are parallel to each other, and the upper push rods 11 on the left and right sides are parallel to each other, so that the lower push rods 12 (and the upper push rods 11) have a smaller angle change in the left-right direction during the folding process of the push rod assembly. It should be noted that, when the bottom end of the lower push rod 12 is rotatably connected with other components of the foldable stroller, a certain gap is formed between the bottom end of the lower push rod 12 and the components at the rotary connection position, and meanwhile, because the inclined angles of the upper push rod 11 and the lower push rod 12 on the left and right sides are smaller when the push rod assembly is in the open state, when the upper push rod 11 and the lower push rod 12 on the left and right sides are rotated and driven to approach each other by the rotation of the two cross rods 13, the upper push rod 11 and the lower push rod 12 on the left and right sides can approach each other to be parallel under the condition that the distance between the bottom ends of the left and right lower push rods 12 is not changed.
The working principle of the push rod assembly is as follows:
when the push rod assembly is folded, firstly, the rotating connection part of the left and right cross rods 13 is pushed forwards, the two cross rods 13 move forwards, the two cross rods 13 rotate relatively and approach each other, the rotation between the two cross rods 13 drives the upper push rod 11 and the lower push rod 12 on the left and right sides to approach each other to be parallel, meanwhile, the rotation between the two cross rods 13 drives the upper push rod 11 and the lower push rod 12 on the left and right sides to pivot, the upper push rod 11 and the lower push rod 12 are switched from the relatively unfolded position to the first relative position, in the process of relative pivoting between the upper push rod 11 and the lower push rod 12, the inclined surface 141 of the lock tongue 14 is in sliding contact with the edge of the lock hole 121, and further the lock tongue 14 is pushed to move against the force of the elastic piece and withdraw from the lock hole 121, so that the locking device is unlocked, and after the locking device is unlocked, the upper, the upper push rod 11 (or cross bar 13) is now depressed and retracts back down into the lower push rod 12, thus completing the folding of the push rod assembly.
The embodiment also provides a folding children's cart, including frame that can fold and open, connect at frame bottom wheel, install the seat pocket on the frame, with the frame locking device of frame locking at open condition. The frame is provided with the push rod assembly.
For the structure of the frame, except that other parts of the push rod assembly can adopt any applicable structure in the prior art, this embodiment provides a specific structure, except that the push rod assembly, still include front support 3 that the bottom is connected with front wheel 6, rear support 4 that the bottom is connected with rear wheel 7, front support 3 and rear support 4 respectively have two and set up respectively in the left and right sides of frame, the front support 3 of the left and right sides, rear support 4, side push rod assembly 1 are respectively through the coaxial rotation connection of joint 2, be connected with horizontal brace 8 between the joint 2 of the left and right sides. The frame also comprises a seat rod 5, and the left end and the right end of the seat rod 5 are also in the same-shaft rotating connection with the front support 3, the rear support 4 and the side push rod assembly 1 through the joints 2.
When the frame is unfolded, the push rod assembly is in an unfolded state, and other parts are unfolded relatively.
The utility model discloses push rod assembly and folding children's shallow of folding children makes the locking device unblock among the push rod assembly at the folding in-process of push rod assembly, has simplified the whole folding operating procedure of shallow to the size reduction of direction about when folding through push rod assembly about in the ascending size reduction realization shallow whole folding back has simplified children's shallow overall structure.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (9)
1. The utility model provides a push rod assembly of folding children's shallow, is in including setting up symmetrically two side push rod assemblies (1) of the folding children's shallow left and right sides, its characterized in that: each side push rod component (1) comprises a cross rod (13), an upper push rod (11) with the upper part connected with the cross rod (13), and a lower push rod (12) connected with the upper push rod (11) in a relatively pivoting manner, wherein a relatively unfolded position and a first relative position which are switched through the relative pivoting of the upper push rod (11) and the lower push rod (12) are arranged between the upper push rod (11) and the lower push rod (12), a locking device for locking the upper push rod (11) and the lower push rod (12) at the relatively unfolded position is arranged between the upper push rod (11) and the lower push rod (12), and the locking device is unlocked through the pivoting between the upper push rod (11) and the lower push rod (12) and enables the upper push rod and the lower push rod to be switched from the first relative position; the cross rods (13) in the two side push rod assemblies (1) are mutually connected in a rotating way;
the push rod assembly has an opening state and a folding state, when the push rod assembly is in the opening state, the two cross rods (13) are oppositely unfolded, the upper push rod (11) and the lower push rod (12) are in a relatively unfolded position, and the locking device is in a locking state; in the process that the push rod assemblies are in transition from the opening state to the folding state, the two cross rods (13) are relatively close to each other, and the upper push rod (11) and the lower push rod (12) in the two side push rod assemblies (1) are switched to a first relative position, so that the locking device is in an unlocking state; when the push rod assembly is in a folded state, the two cross rods (13) are kept relatively close to each other, and the upper push rod (11) and the lower push rod (12) are in a relatively folded position.
2. The pusher bar assembly of a folding stroller of claim 1, wherein: the upper push rod (11) and the lower push rod (12) are connected in a relatively movable mode, the relatively folded position and the first relative position are switched through the relative movement of the upper push rod (11) and the lower push rod (12), when the upper push rod (11) and the lower push rod (12) are located at the relatively unfolded position and the first relative position, the upper push rod (11) and the lower push rod (12) extend out relatively, and when the upper push rod (11) and the lower push rod (12) are located at the relatively folded position, the upper push rod (11) and the lower push rod (12) retract relatively.
3. The pusher bar assembly of a folding stroller of claim 1, wherein: when the push rod assembly is in the process of transition from the opening state to the folding state, the two cross rods (13) are rotationally protruded out of a plane formed by the two upper push rods (11).
4. The pusher bar assembly of a folding stroller of claim 1, wherein: the locking device comprises a lock hole (121) formed in the lower push rod (12), a lock tongue (14) which is connected to the upper push rod (11) in a sliding mode and can be detachably inserted into the lock hole (121), and an elastic piece which enables the lock tongue (14) to be inserted into the lock hole (121), wherein the lock tongue (14) is provided with an inclined surface (141) which can be in sliding contact with the edge of the lock hole (121) to enable the lock tongue (14) to be separated from the lock hole (121).
5. The pusher bar assembly of a folding stroller of claim 4, wherein: the inclined surface (141) is parallel to the axial lead of the relative pivot between the upper push rod (11) and the lower push rod (12).
6. The pusher bar assembly of a folding stroller of claim 1, wherein: when the push rod assembly is in an opening state, the upper push rod (11) and the lower push rod (12) which are positioned on the left side of the folding stroller incline towards the left rear from bottom to top, and the upper push rod (11) and the lower push rod (12) which are positioned on the right side of the folding stroller incline towards the right rear from bottom to top.
7. The pusher bar assembly of a folding stroller of claim 1, wherein: compared with the folded state of the push rod assembly, the distance between the bottom ends of the lower push rods (12) on the left side and the right side is unchanged, and the upper push rods (11) on the left side and the right side are closer.
8. The pusher bar assembly of a folding stroller of claim 7, wherein: in the process that the push rod assemblies are in transition from the opening state to the folding state, the two cross rods (13) are relatively close to each other, so that the upper push rods (11) on the left side and the right side are closer to each other, and the upper portions of the lower push rods (12) on the left side and the right side are closer to each other.
9. The utility model provides a folding children's shallow, is including collapsible and open frame, connect in frame bottom wheel, install seat pocket on the frame, with the frame locking device of frame locking at open condition which characterized in that: the vehicle frame having a push rod assembly as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920160467.0U CN209904848U (en) | 2019-01-24 | 2019-01-24 | Push rod assembly of folding stroller and folding stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920160467.0U CN209904848U (en) | 2019-01-24 | 2019-01-24 | Push rod assembly of folding stroller and folding stroller |
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| Publication Number | Publication Date |
|---|---|
| CN209904848U true CN209904848U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920160467.0U Active CN209904848U (en) | 2019-01-24 | 2019-01-24 | Push rod assembly of folding stroller and folding stroller |
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| CN (1) | CN209904848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109733457A (en) * | 2019-01-24 | 2019-05-10 | 好孩子儿童用品有限公司 | The push-rod assembly and folding children's cart of folding children's cart |
-
2019
- 2019-01-24 CN CN201920160467.0U patent/CN209904848U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109733457A (en) * | 2019-01-24 | 2019-05-10 | 好孩子儿童用品有限公司 | The push-rod assembly and folding children's cart of folding children's cart |
| CN109733457B (en) * | 2019-01-24 | 2024-05-10 | 好孩子儿童用品有限公司 | Push rod assembly of folding child stroller and folding child stroller |
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