Back shock absorbing structure of a child stroller

Abstract

The utility model discloses a back shock absorption structure of children's pushchair, including backboard and install backboard support frame in backboard rear side, be equipped with shock absorption mechanism and support mechanism between backboard and backboard support frame, and backboard is impacted and becomes active and extrudes shock absorption mechanism and support mechanism, and the impact force of baby sitting to children's pushchair is reduced through shock absorption mechanism and support mechanism, and is used for guaranteeing baby comfortable experience, be equipped with the activity restriction mechanism of interlocking on shock absorption mechanism, and shock absorption mechanism arbitrary position is impacted and becomes active, and the whole shock absorption mechanism is linked through activity restriction mechanism and is used for shock absorption and is active, and the uneven stress of traditional shock absorption can lead to partial activity for shock absorption, and the effect of shock absorption is more general, and the effect of shock absorption is better through activity restriction mechanism and is used for shock absorption and is active, and the stress is more even, and is more stable.

Description

Technical Field

[0001] This utility model relates to the field of children's stroller technology, and in particular to a back shock-absorbing structure for a children's stroller. Background Technology

[0002] Newborn babies cannot walk independently and usually need to be carried by family members when going out. However, mothers' hands may become uncomfortable carrying their babies for extended periods. To free up mothers' hands, strollers are often purchased to carry the baby. Strollers inevitably encounter uneven surfaces when pushed, and to ensure the baby's comfort, shock-absorbing structures are usually incorporated. Existing shock-absorbing structures typically use soft rubber pads, but the height at which each support point lowers may vary, resulting in uneven stress and relatively poor stability, potentially causing swaying from side to side. Utility Model Content

[0003] To overcome the shortcomings of existing technologies, this utility model provides a shock-absorbing structure for the back of a children's stroller. To solve the above-mentioned technical problems, this utility model provides the following technical solution.

[0004] A shock-absorbing structure for the back of a stroller includes a back panel and a back panel support frame installed on the rear side of the back panel. A shock-absorbing mechanism and a support mechanism are provided between the back panel and the back panel support frame. The shock-absorbing mechanism and the support mechanism reduce the impact force. A movement restriction mechanism is provided on the shock-absorbing mechanism, and the shock-absorbing mechanism is linked to the movement restriction mechanism. The stroller's back cushioning structure includes a normal state and a compressed state: In the normal state, the shock absorption mechanism and the support mechanism are supported on the back plate; In the compressed state, the back plate is subjected to pressure, and the damping mechanism and support mechanism are used for damping. The movement restriction mechanism works in conjunction with the entire damping mechanism to compress synchronously.

[0005] Furthermore, the shock absorption mechanism includes a base fixed to the back plate, a translation limiter located directly above the base, and a first reset spring between the base and the translation limiter. When the back plate is impacted and squeezed, the translation limiter moves, and the translation limiter is reset by the first reset spring.

[0006] Furthermore, the base and the translation limiting component are provided with corresponding spring grooves, and the spring grooves are provided with protruding spring mounting posts. The two ends of the first reset spring are respectively placed in the spring grooves of the corresponding ends and are sleeved on the spring mounting posts.

[0007] Furthermore, the activity limiting mechanism includes a rotating component rotatably connected to both ends of the base, and a sliding groove provided inside the translation limiting component. The sliding groove passes through the translation limiting component, and the sliding groove is adapted to the contour of the rotating component. One end of the rotating component can move within the sliding groove.

[0008] Furthermore, a second return spring is provided inside the sliding groove, and the second return spring abuts against the rotating parts at both ends; the rotating parts are provided with protruding spring posts, and the second return spring is sleeved on the spring posts.

[0009] Furthermore, the rotating component includes a first movable plate and a second movable plate, which are axially connected. The first movable plate is axially connected to the base, and the second movable plate is movably installed into the sliding groove.

[0010] Furthermore, a sliding limiting part is provided between the second movable plate and the sliding groove to limit the movable distance of the second movable plate; the sliding limiting part includes a sliding groove located on the sliding groove and a slider fixed to the second movable plate. When the second movable plate slides in the sliding groove, the slider moves laterally in the sliding groove.

[0011] Furthermore, there are stop blocks on both sides inside the sliding groove. When the second movable plate slides into the sliding groove to the maximum distance, the stop blocks abut against the second movable plate.

[0012] Furthermore, the support mechanism includes a mounting groove on the back plate, a soft rubber pad fitted into the mounting groove and protruding from the mounting groove, and a snap cover on the side of the back plate support frame corresponding to the mounting groove, which is fixed to the snap cover by screws passing through the mounting groove; the soft rubber pad is provided with a protruding soft rubber block, and the snap cover is provided with a groove adapted to the soft rubber block, so that the soft rubber block is snapped into the groove when the assembly is completed.

[0013] Furthermore, the mounting groove is provided with a protruding column, and the cover is provided with a protruding threaded column. The threaded column corresponds to the column. The soft rubber block is provided with a through hole. During installation, the soft rubber block is inserted into the groove, the threaded column passes through the through hole and enters the soft rubber pad. The spring is sleeved on the column and the threaded column, and the screw passes through the column and is locked to the threaded column.

[0014] Compared with the prior art, the beneficial effects that this utility model can achieve are: This utility model incorporates a shock-absorbing mechanism and two side support mechanisms between the back panel and its support frame. When a child sits on the stroller, pressure is applied to the back panel, causing it to move and compress the shock-absorbing and support mechanisms. These mechanisms mitigate the impact of the child sitting on the stroller, ensuring a comfortable experience. The shock-absorbing mechanism includes a movement restriction mechanism. When any part of the shock-absorbing mechanism is impacted, it moves, triggering the entire mechanism to absorb shock. Traditional shock absorbers may experience uneven force distribution, resulting in localized movement and limited effectiveness. This design, by using the movement restriction mechanism to coordinate the movement of the entire shock-absorbing mechanism, provides better shock absorption, more even force distribution, and greater stability. Attached Figure Description

[0015] Figure 1 The three-dimensional representation of this utility model Figure One .

[0016] Figure 2 The three-dimensional representation of this utility model Figure Two .

[0017] Figure 3 This is a perspective view of the backplate support of this utility model.

[0018] Figure 4 This is a perspective view of the shock absorption mechanism and the movement restriction mechanism of this utility model.

[0019] Figure 5 The translational limiting component of this utility model is three-dimensional. Figure One .

[0020] Figure 6 The translational limiting component of this utility model is three-dimensional. Figure Two .

[0021] Figure 7 A cross-sectional view of this utility model Figure One .

[0022] Figure 8 A cross-sectional view of this utility model Figure Two .

[0023] Reference numerals: 1. Back plate, 2. Back plate support frame, 3. Shock absorption mechanism, 4. Support mechanism, 5. Base, 6. Translation limit component, 7. First return spring, 8. Rotating component, 9. Spring column, 10. Motion restriction mechanism, 11. First movable plate, 12. Second movable plate, 13. Second return spring, 14. Sliding groove, 15. Spring groove, 16. Spring mounting column, 17. Mounting groove, 18. Soft rubber pad, 19. Cover, 20. Soft rubber block, 21. Groove body, 22. Column body, 23. Threaded column, 24. Through hole, 25. Stop block, 26. Sliding restriction part, 27. Sliding groove, 28. Slider. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] like Figures 1-8As shown, a shock-absorbing structure for the back of a stroller includes a back panel 1 and a back panel support frame 2 installed on the rear side of the back panel 1. A shock-absorbing mechanism 3 and a support mechanism 4 are provided between the back panel 1 and the back panel support frame 2. The support mechanism 4 is located on both sides of the back panel 1. When a child sits on the stroller, pressure is applied to the back panel 1. The back panel 1 moves under impact and compresses the shock-absorbing mechanism 3 and the support mechanism 4. The shock-absorbing mechanism 3 and the support mechanism 4 reduce the impact force when the baby sits on the stroller, ensuring a comfortable experience for the baby. The shock-absorbing mechanism 3 is equipped with a movement restriction mechanism 10. The shock-absorbing mechanism 3 is linked to the movement restriction mechanism 10. When any part of the shock-absorbing mechanism 3 is impacted, it moves, and the movement restriction mechanism 10 links the entire shock-absorbing mechanism 3 to perform shock absorption. Traditional shock absorption may result in uneven force distribution, leading to localized movement and a relatively weak shock absorption effect. This design, by linking the entire shock-absorbing mechanism 3 to the movement of the movement restriction mechanism 10, achieves better shock absorption, more even force distribution, and greater stability.

[0026] The shock-absorbing mechanism 3 includes a base 5 fixed on the back plate 1, a translation limiter 6 located directly above the base 5, and a first return spring 7 between the base 5 and the translation limiter 6. When the baby sits on the stroller, the back plate 1 is impacted and moves, the back plate 1 squeezes the translation limiter 6 to move longitudinally and compress the first return spring 7, and then returns to its original position through the rebound force of the first return spring 7, thus achieving a good shock-absorbing effect.

[0027] The base 5 and the translation limiter 6 are provided with corresponding spring grooves 15. The spring grooves 15 are provided with protruding spring mounting posts 16. The diameter of the spring mounting posts 16 is smaller than that of the spring grooves 15. One end of the first reset spring 7 is installed in the spring groove 15 on the base 5, and the other end is installed in the spring groove 15 on the translation limiter 6 and is sleeved on the spring mounting post 16, which increases the stability of the installation of the first reset spring 7 and makes it less likely to fall off.

[0028] The activity limiting mechanism 10 includes two rotating parts 8 rotatably connected to both ends of the base 5. The two rotating parts 8 are symmetrically designed and a second return spring 7 is provided between them. The rotating parts 8 can rotate arbitrarily. The translation limiting member 6 is provided with a sliding groove 14, which passes through the translation limiting member 6. The outer contour of the rotating parts 8 is adapted to the sliding groove 14. One end of the two rotating parts 8 is rotatably connected to the base 5, and the other end can be movably inserted into the sliding groove 14. When the translation limiting member 6 is pressed down, the connecting end of the rotating part 8 rotates, and the end inserted into the sliding groove 14 slides along the sliding groove 14, thereby pressing down the entire translation limiting member 6. Therefore, when any part of the back plate 1 is impacted and moves, the entire translation limiting member 6 can be pressed down through the linkage of the rotating parts 8, resulting in more uniform force distribution, greater stability, and better shock absorption.

[0029] The sliding groove 14 is equipped with a second return spring 13, which abuts against the rotating parts 8 at both ends. A protruding spring post 9 is provided at the end of the two rotating parts 8 that are close to each other. The two ends of the second return spring 13 are fitted onto the spring post 9 on their respective sides to prevent the second return spring 13 from disengaging. After the translational limiting member 6 is compressed, the two rotating parts 8 move closer together and slide into the sliding groove 14, squeezing the second return spring 13. Subsequently, the two rotating parts 8 are reset by the rebound force of the second return spring 13, and the translational limiting member 6 is also reset and moved upward by the first return spring 7 at its lower end.

[0030] The rotating component 8 includes a first movable plate 11 and a second movable plate 12, which are connected by a shaft and can rotate at any angle at the shaft connection point. The first movable plate 11 is shaft-connected to the base 5, and the second movable plate 12 is movably installed into the sliding groove 13.

[0031] A sliding limiting part 26 is provided between the second movable plate 12 and the sliding groove 14 to limit the movable distance of the second movable plate 12. The sliding limiting part 26 includes a sliding groove 27 located on the sliding groove 14 and a slider 28 fixed on the second movable plate 12. When the second movable plate 12 slides in the sliding groove 14, the slider 28 moves laterally in the sliding groove 27. When the second movable plate 12 slides to the maximum distance, the slider 28 abuts against the end of the sliding groove 27 and cannot continue to move. This is used to limit the maximum sliding distance of the second movable plate 12 and also to prevent the two second movable plates 12 from colliding and causing wear or even damage when they come close to each other.

[0032] The sliding groove 14 is provided with baffles 25 on both sides. When compressed, the second movable plate 12 gradually slides into the sliding groove 14. When it slides to the maximum distance, the end of the second movable plate 12 touches the baffle 25 to prevent the slider 28 from being forcibly disengaged from the sliding groove 27 and damaged when the impact force is too large.

[0033] The shock absorption mechanism 3 and the movement restriction mechanism 10 include a compressed state and a normal state: In the normal state, the translation limiter 6 is located directly above the base 5, the first return spring 7 abuts against the translation limiter 6 from the lower end, the second movable plate 12 partially penetrates into the sliding groove 14, and the second return spring 13 abuts against the second movable plates 12 on both sides; In the compressed state, the back plate 1 is pressed against the shock absorption mechanism 3, the translation limiter 6 is moved downwards and gradually approaches the base 5, the first movable plates 11 on both sides rotate downwards, and the second rotating plates 12 move into the sliding groove 14. The two second rotating plates 12 gradually approach each other and press against the second return spring 13. By rotating the first movable plate 11 and sliding the second movable plate 12, the entire translation limiter 6 is pushed down. The second movable plate 12 can only slide within the sliding groove 14 and its contour is compatible with the other, which plays a limiting role. It has strong stability when shock absorption and is not easy to sway left and right.

[0034] The support mechanism 4 includes a mounting groove 17 on the back panel 1, a soft rubber pad 18 fitted into and protruding from the mounting groove 17, and a snap cover 19 on the side of the back panel support frame 2 corresponding to the mounting groove 17. The snap cover 19 is fixed to the mounting groove 17 by screws passing through the snap cover 19. The soft rubber pad 18 has good resilience and is used to support the back panel 1. When the baby leans against the back panel 1, the soft pad provides good support and cushioning, and it is also resilient.

[0035] The soft rubber pad 18 has a raised soft rubber block 20, and the cover 19 has a groove 21 that fits the soft rubber block 20. When the assembly is completed, the soft rubber block 20 is snapped into the groove 21 to increase the stability of the installation.

[0036] The mounting groove 17 has a protruding column 22, and the cover 19 has a protruding threaded post 23, which corresponds to the column 22. The soft rubber block 20 has a through hole 24. During installation, the soft rubber block 20 is inserted into the groove 21, and the threaded post 23 passes through the through hole 24 into the soft rubber pad 18. One end of the spring is fitted onto the column, and the other end is fitted onto the threaded post 23. When the soft rubber pad 18 is deformed by impact, the spring helps to quickly rebound and restore its original shape. The screw passes through the column 22 and is locked onto the threaded post 23 to fix the back plate support frame 2 and the back plate 1.

[0037] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this invention, and no reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A backrest cushioning structure for a stroller, comprising a back panel and a back panel support frame mounted on the rear side of the back panel, characterized in that, A shock-absorbing mechanism and a support mechanism are provided between the back plate and the back plate support frame. The shock-absorbing mechanism and the support mechanism reduce the impact force. The shock-absorbing mechanism is equipped with a movement restriction mechanism, and the shock-absorbing mechanism is linked to the movement restriction mechanism. The stroller's back cushioning structure includes a normal state and a compressed state: In the normal state, the shock absorption mechanism and the support mechanism are supported on the back plate; In the compressed state, the back plate is subjected to pressure, and the damping mechanism and support mechanism are used for damping. The movement restriction mechanism works in conjunction with the entire damping mechanism to compress synchronously.

2. The back shock-absorbing structure of a child stroller according to claim 1, characterized in that, The shock absorption mechanism includes a base fixed to the back plate, a translation limiter located directly above the base, and a first reset spring between the base and the translation limiter. When the back plate is impacted, it compresses the translation limiter, which moves and is reset by the first reset spring.

3. The back cushioning structure of a child stroller according to claim 2, characterized in that, The base and translation limiter are provided with corresponding spring grooves, and the spring grooves are provided with protruding spring mounting posts. The two ends of the first reset spring are respectively placed in the spring grooves of the corresponding ends and are sleeved on the spring mounting posts.

4. The back cushioning structure of a child stroller according to claim 1, characterized in that, The activity restriction mechanism includes a rotating component rotatably connected to both ends of the base, and a sliding groove provided inside the translation limit component. The sliding groove passes through the translation limit component, and the sliding groove is adapted to the contour of the rotating component. One end of the rotating component can move within the sliding groove.

5. The back shock-absorbing structure of a child stroller according to claim 4, characterized in that, The sliding groove is provided with a second return spring, which abuts against the rotating parts at both ends; the rotating parts are provided with protruding spring posts, and the second return spring is sleeved on the spring posts.

6. The back shock-absorbing structure of a child stroller according to claim 4, characterized in that, The rotating component includes a first movable plate and a second movable plate, which are axially connected. The first movable plate is axially connected to the base, and the second movable plate is movably installed into the sliding groove.

7. The back shock-absorbing structure of a child stroller according to claim 6, characterized in that, A sliding limiting part is provided between the second movable plate and the sliding groove to limit the distance that the second movable plate can move. The sliding limiting part includes a sliding groove located on the sliding groove and a slider fixed to the second movable plate. When the second movable plate slides in the sliding groove, the slider moves laterally in the sliding groove.

8. The back cushioning structure of a child stroller according to claim 6, characterized in that, The sliding groove is provided with blocks on both sides. When the second movable plate slides into the sliding groove to the maximum distance, the blocks abut against the second movable plate.

9. The back cushioning structure of a child stroller according to claim 1, characterized in that, The support mechanism includes a mounting groove on the back plate, a soft rubber pad mounted on the mounting groove and protruding from the mounting groove, and a snap cover on the side of the back plate support frame corresponding to the mounting groove. The snap cover is fixed to the mounting groove by screws passing through the mounting groove. The soft rubber pad has a protruding soft rubber block, and the snap cover has a groove that fits the soft rubber block. When the assembly is completed, the soft rubber block is snapped into the groove.

10. The back shock-absorbing structure of a child stroller according to claim 9, characterized in that, The mounting groove has a raised column, and the cover has a raised threaded column. The threaded column corresponds to the column. The soft rubber block has a through hole. During installation, the soft rubber block is inserted into the groove, and the threaded column passes through the through hole into the soft rubber pad. The spring is sleeved on the column and the threaded column. The screw passes through the column and locks onto the threaded column.

Images