Push rod structure of baby carriage

By introducing sliding hand push rod assembly and locking structure into the push rod structure of the stroller, unlocking and locking is achieved using button operation and spring reset mechanism, the problems of difficulty in unlocking and short service life of the existing push rod structure are solved, providing safer Convenient and durable solution.

CN222361003UActive Publication Date: 2025-01-17ZHONGSHAN ZETAI DAILY PROD CO LTD
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Patent Information

Application Number
CN202421203383.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-29
Publication Date
2025-01-17
Estimated Expiration
2034-05-29

AI Technical Summary

Technical Problem

The existing children's stroller push rod structure is difficult to unlock, has a short service life and is easy to be misunderstood, especially not suitable for elderly people or people with low hand strength.

Method used

A push rod structure including a sliding hand push rod assembly and a locking structure is designed. The sliding block is driven to slide up through button operation, and the locking block is driven out of the locking groove with the inclined driving of the locking block. The locking function is achieved by using the spring reset locking block, and the locking groove is added. In case of accidental touch.

Benefits of technology

It realizes a push rod locking mechanism with simple structure, convenient operation, labor-saving and long service life, improving safety and convenience of use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222361003U_ABST
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Abstract

The push rod structure comprises a first rod, a hand push rod assembly capable of sliding relative to the first rod is connected in the first rod, a locking structure capable of locking the hand push rod assembly and the first rod is arranged between the hand push rod assembly and the first rod, and the locking structure comprises a locking groove formed in the first rod. A locking block which moves transversely and is matched with the locking groove is arranged in the hand push rod assembly, a sliding block which can slide up and down and can drive the locking block to retreat from the locking groove and a sliding block spring which drives the sliding block to reset are arranged on the hand push rod assembly, and driven inclined faces are arranged on the two sides of the locking block. Driving slopes which are matched with the driven slopes to drive the locking block to slide are arranged on the two sides of the sliding block, an operation piece which drives the sliding block to slide upwards is further arranged on the hand push rod assembly, and an elastic piece which drives the locking block to reset is further arranged in the hand push rod assembly. The device is simple in structure, convenient to operate, labor-saving and long in service life.
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Description

[Technical field]

[0001] The utility model relates to a push rod structure of a baby carriage. [Background technology]

[0002] At present, in order to reduce the occupied space as much as possible when transporting, carrying or storing the baby stroller, most of the existing baby strollers are foldable structures, in which most of the structural members can be folded or retracted. Among them, the push rod structure of the baby stroller is mostly a structure that can be retracted / expanded with each other. In order to make the push rod structure stable when unfolded, the retractable rods are locked by a locking structure.

[0003] However, the existing locking structure has the following defects: 1. When unlocking, the unlocking button needs to be pressed vigorously, which is inconvenient for the elderly or people with weak hands; 2. The structural design is unreasonable, the service life is short, the structure is complicated, and some are easy to misunderstand the lock, resulting in unsafe use. [Summary of the invention]

[0004] The utility model aims to overcome the shortcomings of the prior art and provide a push rod structure for a baby carriage which has a simple structure, is easy to operate, saves effort and has a long service life.

[0005] The purpose of the utility model is achieved in this way:

[0006] The locking mechanism is a kind of locking mechanism that can lock the locking block and the control mechanism, and the locking mechanism of the locking mechanism is a kind of locking mechanism that can lock the locking block and the control mechanism.

[0007] The push rod structure of a baby carriage as described above is characterized in that the locking block is provided with a locking groove into which the locking groove can be inserted to prevent the locking block from sliding.

[0008] The push rod structure of a baby carriage as described above is characterized in that a groove is provided at the lower part of the sliding block to separate the left and right sides of the lower part of the sliding block to form a left lower arm of the sliding block and a right lower arm of the sliding block, the locking block is arranged in the groove, and active inclined surfaces are provided on the left lower arm of the sliding block and the right lower arm of the sliding block.

[0009] The push rod structure of a baby carriage as described above is characterized in that a locking seat and a locking cover covering the locking seat are provided in the push rod assembly, a sliding groove is provided in the locking seat for the sliding block to slide up and down therein, a limiting column is also provided in the locking seat, and the locking block is provided with a limiting hole that cooperates with the limiting column.

[0010] The push rod structure of a baby carriage as described above is characterized in that a limit block for limiting the upward and downward sliding of the sliding block is further provided in the sliding groove.

[0011] The push rod structure of a baby carriage as described above is characterized in that a fixing column is provided on the top of the sliding groove, a sliding block hole is provided on the upper part of the sliding block, and a sliding block spring is arranged between the fixing column and the sliding block hole.

[0012] The push rod structure of a baby carriage as described above is characterized in that the operating member comprises a button arranged on the push rod assembly, and the button is connected to the sliding block through a connecting line.

[0013] The beneficial effects of the utility model are:

[0014] The utility model discloses a button can be pressed, and the button drives the sliding block to slide upwards through the connecting line. When the sliding block slides upwards, the active inclined surfaces on both sides of the sliding block cooperate with the driven inclined surfaces of the locking block, so that the locking block can be driven to slide horizontally and exit the locking groove to realize unlocking. When the button is released, the sliding block spring drives the sliding block to reset, the elastic member drives the locking block to reset, and the locking block is snapped into the locking groove to realize the locking function. The utility model has the advantages of simple structure, convenient operation, labor saving and long service life.

Brief Description of the Drawings

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a structural explosion diagram of the utility model;

[0017] Figure 3 It is a three-dimensional diagram of the locking seat, the locking cover and the locking block of the utility model;

[0018] Figure 4 yes Figure 3 Exploded diagram of the structure;

[0019] Figure 5 yes Figure 3 Exploded diagram of the structure;

[0020] Figure 6 It is a structural diagram of the sliding and locking blocks;

[0021] Figure 7 yes Figure 6 Exploded diagram of the structure. [Specific implementation method]

[0022] The utility model is further described below in conjunction with the accompanying drawings:

[0023] A push rod structure of a baby carriage, comprising a first rod 1, wherein a hand push rod assembly 2 capable of sliding relative to the first rod 1 is connected therein, a locking structure 3 capable of locking the hand push rod assembly 2 and the first rod 1 is provided between the hand push rod assembly 2 and the first rod 1, the locking structure 3 comprising a locking groove 4 provided on the first rod 1, a locking block 5 capable of moving laterally and cooperating with the locking groove 4 provided therein, a sliding block 6 capable of sliding up and down and capable of driving the locking block 5 to exit the locking groove 4 and a sliding block spring 7 for driving the sliding block to return to its original position are provided on the hand push rod assembly 2, driven inclined surfaces 51 are provided on both sides of the locking block 5, active inclined surfaces 61 are provided on both sides of the sliding block 6 for cooperating with the driven inclined surfaces 51 to drive the locking block 5 to slide, an operating member 8 for driving the sliding block 6 to slide upward is also provided on the hand push rod assembly 2, and an elastic member 52 for driving the locking block 5 to return to its original position is also provided in the hand push rod assembly 2. The utility model can operate the operating member 8, at which time the sliding block 6 slides upward. When the sliding block 6 slides upward, the active inclined surfaces 61 on both sides of the sliding block 6 cooperate with the driven inclined surfaces 51 of the locking block 5, so that the locking block 5 can be driven to slide horizontally and exit the locking groove 4 to achieve unlocking. When the operating member 8 is released, the sliding block spring 7 drives the sliding block 6 to return to its original position, and the elastic member 52 drives the locking block 5 to return to its original position, and the locking block 5 is snapped into the locking groove 4 to achieve the locking function. The utility model has the advantages of simple structure, convenient operation, labor saving and long service life.

[0024] The locking block 5 of the utility model is provided with a locking groove 53 that can be inserted into the locking groove 4 to prevent the locking block 5 from sliding. The locking groove is provided to prevent adults from folding the hand push rod assembly and the first rod after accidentally touching the operating member, which is safer.

[0025] The lower part of the sliding block 6 of the utility model is provided with a groove 62 to separate the left and right sides of the lower part of the sliding block to form a sliding block left lower arm 63 and a sliding block right lower arm 64, and the locking block 5 is arranged in the groove 62. The sliding block left lower arm 63 and the sliding block right lower arm 64 are both provided with an active inclined surface 61. The length of the sliding block left lower arm 63 and the sliding block right lower arm 64 are equal, and the position, size and inclination angle of the active inclined surface 61 on the sliding block left lower arm 63 and the sliding block right lower arm 64 are equal. The sliding block left lower arm 63, the sliding block right lower arm 64, and the active inclined surface 61 are an integrated structure, which is more solid.

[0026] The locking block 5 of the present invention is preferably made of metal material, which is stronger. The locking block 5 and the driven inclined surfaces 51 on both sides thereof are an integral structure, which is stronger.

[0027] The hand push rod assembly 2 of the utility model is provided with a locking seat 91 and a locking cover 92 covering the locking seat 91. The locking seat 91 is provided with a sliding groove 93 for the sliding block 6 to slide up and down therein. The size of the sliding groove 93 is comparable to that of the sliding block 6, so that the sliding block can slide up and down freely in the sliding groove. The locking seat 91 is also provided with a limiting column 94. The locking block 5 is provided with a limiting hole 54 that cooperates with the limiting column 94. The limiting column 94 and the limiting hole 54 are arranged horizontally, which is consistent with the horizontal sliding direction of the locking block. The locking cover 92 is provided with a locking cover hole 921, and the outer side of the locking block 5 can pass through the locking cover hole 921.

[0028] The utility model also has a limit block 95 in the sliding groove 93 for limiting the sliding block 6 from sliding up and down. The limit block 95 can be inserted into the groove 62 at the lower part of the sliding block 6.

[0029] The utility model also has a fixing column 96 on the top of the sliding groove 93 , a sliding block hole 65 on the upper part of the sliding block 6 , and a sliding block spring 7 is arranged between the fixing column 96 and the sliding block hole 65 .

[0030] The push rod assembly 2 of the utility model comprises a second rod 21 slidably connected to the first rod 1 , and a handlebar 22 is connected to the top end of the second rod 21 .

[0031] The operating member 8 of the present invention comprises a button 81 arranged on the push rod assembly 2 , and the button 81 is connected to the sliding block 6 via a connecting line 82 .

[0032] The button 81 of the present invention is provided with a button shaft 83 on both sides, and the handle bar 22 is provided with a button shaft hole (not shown) for the button shaft to be inserted.

Claims

1. A push rod structure for a baby carriage, characterized in that The invention comprises a first rod (1), wherein a hand push rod assembly (2) capable of sliding relative to the first rod (1) is connected therein, a locking structure (3) capable of locking the hand push rod assembly (2) and the first rod (1) is arranged between the hand push rod assembly (2) and the first rod (1), wherein the locking structure (3) comprises a locking groove (4) arranged on the first rod (1), a locking block (5) capable of moving laterally and cooperating with the locking groove (4) is arranged in the hand push rod assembly (2), and a locking block (6) capable of sliding up and down and driving the locking block (6) is arranged on the hand push rod assembly (2). 5) a sliding block (6) exiting the locking groove (4) and a sliding block spring (7) driving the sliding block to return to its original position, driven inclined surfaces (51) are provided on both sides of the locking block (5), active inclined surfaces (61) are provided on both sides of the sliding block (6) to cooperate with the driven inclined surfaces (51) to drive the locking block (5) to slide, an operating member (8) is also provided on the hand push rod assembly (2) to drive the sliding block (6) to slide upward, and an elastic member (52) is also provided in the hand push rod assembly (2) to drive the locking block (5) to return to its original position.

2. A push rod structure for a baby carriage according to claim 1, characterized in that The locking block (5) is provided with a locking groove (53) capable of being inserted into the locking groove (4) to prevent the locking block (5) from sliding.

3. A push rod structure for a baby carriage according to claim 1, characterized in that The lower part of the sliding block (6) is provided with a groove (62) to separate the left and right sides of the lower part of the sliding block so as to form a left lower arm (63) of the sliding block and a right lower arm (64) of the sliding block. The locking block (5) is arranged in the groove (62). The left lower arm (63) of the sliding block and the right lower arm (64) of the sliding block are both provided with active inclined surfaces (61).

4. The push rod structure of a baby carriage according to claim 1, characterized in that The push rod assembly (2) is provided with a locking seat (91) and a locking cover (92) covering the locking seat (91); the locking seat (91) is provided with a sliding groove (93) for the sliding block (6) to slide up and down therein; the locking seat (91) is also provided with a limiting column (94); and the locking block (5) is provided with a limiting hole (54) cooperating with the limiting column (94).

5. A push rod structure for a baby carriage according to claim 4, characterized in that A limit block (95) is also provided in the sliding groove (93) for limiting the sliding block (6) from sliding up and down.

6. A push rod structure for a baby carriage according to claim 4, characterized in that A fixing column (96) is arranged at the top of the sliding groove (93), a sliding block hole (65) is arranged at the upper part of the sliding block (6), and a sliding block spring (7) is arranged between the fixing column (96) and the sliding block hole (65).

7. The push rod structure of a baby carriage according to claim 1, characterized in that The operating member (8) comprises a button (81) arranged on the hand push rod assembly (2), and the button (81) is connected to the sliding block (6) via a connecting line (82).