Baby stroller
By using flexible connecting fabric and adjusting straps in the stroller, the problem of complex and costly backrest tilt angle adjustment devices in existing strollers has been solved, achieving convenient adjustment of the support tilt angle and cost reduction.
Patent Information
- Application Number
- CN202520039882.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-07
AI Technical Summary
Existing strollers have many components in their backrest tilt angle adjustment devices, resulting in higher costs.
The system uses flexible, foldable or unfoldable connecting fabric and adjustment belts. By cooperating with the left and right movable belts and the conversion component, the tilt angle of the support part can be adjusted. The angle between the support part and the seat part can be changed by sliding the adjustment belt and the conversion component.
It enables convenient adjustment of the tilt angle of the support, is simple and labor-saving to operate, reduces costs, and is suitable for widespread application.
Smart Images

Figure CN223605671U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of children's pushchair.
BACKGROUND
[0002] Children's pushchair is common product in the growth process of children. Children's pushchair generally includes frame and seat part and backrest part arranged on the frame. The current backrest part generally includes backrest tube rotatably connected on the seat part, and flexible cloth cover is sleeved on the backrest tube. By rotating the backrest tube, the inclination angle of the backrest part can be adjusted, so that the child can lie on the backrest according to actual needs. When the backrest part is adjusted to the appropriate position, it is locked by the locking mechanism between the backrest tube and the seat part. The current locking mechanism generally adopts gear engagement structure, and operating switch is arranged on the upper end of the backrest tube. The operating switch is connected with the gear. This kind of backrest part inclination angle adjusting device has many parts, and the cost is high.
[0003] Therefore, the utility model is just based on the above deficiencies
UTILITARY MODEL CONTENT
[0004] The utility model aims at overcoming the deficiencies of prior art, and provides a kind of children's pushchair, which can adjust the inclination angle of the support part of backrest part conveniently at low cost.
[0005] The utility model is realized by the following technical solutions:
[0006] A kind of children's pushchair, including frame, the frame is equipped with seat part and backrest part, the backrest part includes the support part for supporting the back of child, the outer side of the support part is equipped with flexible foldable or unfolded connecting cloth, the front side of the connecting cloth is connected on the frame, the support part is connected with connecting seat, the connecting seat is equipped with the adjusting band that can slide or stop positioning in it, the lower end of the adjusting band is equipped with left movable band and right movable band that can slide relative to support part and connecting cloth and push support part to change inclination angle when being pulled by adjusting band and being connected with frame.
[0007] The left movable band is connected with the left side of frame by left connecting part on it, and the right movable band is connected with the right side of frame by right connecting part on it. The left movable band and the right movable band enclose the side of connecting cloth and are arranged in the support part to be connected with the adjusting band.
[0008] The adjusting band slides longitudinally relative to support part, the support part is equipped with longitudinal sliding space for the left movable band and the right movable band to slide longitudinally relative to it and transverse sliding space for the left movable band and the right movable band to slide transversely relative to it, and the support part is equipped with conversion assembly for changing the sliding direction of the left movable band and the right movable band at the position where longitudinal sliding space and transverse sliding space meet.
[0009] The conversion assembly comprises a first conversion seat and a second conversion seat, the first conversion seat is provided with a first inclined hole for the left movable belt to pass through, and the second conversion seat is provided with a second inclined hole for the right movable belt to pass through.
[0010] The extension directions of the first inclined hole and the second inclined hole are perpendicular to each other, the extension direction of the first inclined hole forms an angle with the sliding direction of the left movable belt, and the extension direction of the second inclined hole forms an angle with the sliding direction of the right movable belt.
[0011] The connecting seat is provided with a sliding channel for the adjusting belt to slide in, the connecting seat is further provided with a movable handle which can move relative to the connecting seat, the movable handle is provided with a clamping tongue which can extend into or exit the sliding channel when the movable handle moves, the adjusting belt is provided with at least two positioning protrusions which can abut against the clamping tongue to position the adjusting belt, and the movable handle and the connecting seat are further provided with a reset spring which can drive the movable handle to reset.
[0012] The child stroller comprises two flexible belts, parts of the two flexible belts are fixed together to form the adjusting belt, and the two flexible belts are separated from each other at the lower end of the adjusting belt to form the left movable belt and the right movable belt.
[0013] The lower side of the clamping tongue is provided with an inclined surface, the positioning protrusion is provided with an arc surface which abuts against the inclined surface so that the adjusting belt can squeeze the clamping tongue when the adjusting belt is pulled, and the upper side of the clamping tongue is provided with a positioning step which can abut against the arc surface.
[0014] The support part comprises a support cloth which is integrally connected with the connecting cloth, the inner side of the support cloth is provided with a support plate, the connecting seat is fixed on the support plate and exposed to the support cloth, the conversion assembly is fixed on the support plate, and the longitudinal sliding space and the transverse sliding space are arranged between the support cloth and the support plate.
[0015] The connecting seat is located on the upper side of the support part, and the conversion assembly is located on the lower side of the support part.
[0016] Compared with the prior art, the present application has the following advantages:
[0017] 1. The utility model discloses a connecting seat is equipped with the adjusting band, and the lower end of adjusting band is equipped with left movable band and right movable band, and left movable band and right movable band are connected with the frame, when pulling the adjusting band, left movable band and right movable band slide relative to the support part and the connecting cloth, and the length of left movable band and right movable band between the connecting seat and the frame is shortened, and left movable band and right movable band push the support part forward, make the connecting cloth fold and the inclination angle of support part relative to seat part is reduced, and the child is in the upright sitting posture and rides the child's shallow, when the child needs to ride in the semi-lie posture, just loosen the adjusting band, and the length of left movable band and right movable band between the connecting seat and the frame, at this time, the connecting cloth is unfolded, and the support part will be inclined backward and increase the included angle between the seat part. Therefore, when adjusting the inclination angle of the support part of the backrest part, just pull or loosen the adjusting band, and the operation is very convenient and fast, and the structure of adjusting the connecting seat and the adjusting band has less parts and low cost.
[0018] 2. The utility model discloses that left movable band and right movable band enclose the connecting cloth and are relative to the support part and extend transversely and are equipped in the support part, and left movable band and right movable band become longitudinal extension in the position of conversion assembly, since the connecting seat is arranged on the upside of support part, when pulling the adjusting band, the part of left movable band and right movable band that the adjusting band pulls slides longitudinally in the support part, and the part of left movable band and right movable band slides transversely in the support part, and pulling the adjusting band on the upside of support part can directly exert the pushing force on the upside of support part, at this time, it is easier to make the lower end of support part relative to the position of seat part to move, to make the whole support part more easily change the inclination angle, and the user can adjust the included angle of support part and seat part by pulling the adjusting band with one hand, and when needing to increase the included angle of support part and seat part, just loosen the adjusting band with one hand, and the support part is automatically inclined backward under the action of gravity, and the operation is very labor-saving and convenient.
[0019] 3. The utility model discloses simple structure, low cost, convenient operation is suitable for popularization and application.
DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is one of the perspective view of the utility model's parts;
[0021] Figure 2 It is the front view of the utility model's parts;
[0022] Figure 3 It is the sectional view of the utility model's parts;
[0023] Figure 4 It is the second perspective view of the utility model's parts;
[0024] Figure 5 It is one of the exploded view of the utility model's parts;
[0025] Figure 6 is a second exploded view of the components of the utility model;
[0026] Figure 7 is a third perspective view of the components of the utility model;
[0027] Figure 8 is a first partial perspective view of the utility model;
[0028] Figure 9 is a second partial perspective view of the utility model;
[0029] Figure 10 is a first schematic diagram of the principle of the utility model;
[0030] Figure 11 is a second schematic diagram of the principle of the utility model.
CONCRETE IMPLEMENTATION
[0031] The utility model will be further described below in combination with the drawings:
[0032] As Figures 1 to 11 shown, a kind of child stroller, including frame 1, the frame 1 is equipped with seat part 2 and backrest part 3, the backrest part 3 includes the support part 31 for supporting the back of child, the outside of the support part 31 is equipped with flexible foldable or unfolded connecting cloth 32, the front side of the connecting cloth 32 is connected on frame 1, the support part 31 is connected with connecting seat 4, the connecting seat 4 is equipped with the adjusting band 5 that can slide or stop positioning in it, the lower end of the adjusting band 5 is equipped with left movable band 61 and right movable band 62 with frame 1 connection and when being pulled by adjusting band 5, can slide and push support part 31 to change the angle of inclination relative to support part 31 and connecting cloth 32.When the included angle of support part 31 and seat part 2 is relatively large, connecting cloth 3 is in unfolded state, and child can be in reclining posture and ride in child stroller, when user needs to adjust the included angle of support part 31 and seat part 2, then pull adjusting band 5, adjusting band 5 then pulls left movable band 61 and right movable band 62, to make left movable band 61 and right movable band 62 between connecting seat 4 and frame 1 shorten, connecting cloth 32 will appear folding, the tightening action of left movable band 61 and right movable band 62 makes the upper side of support part 31 move forward and change the angle of inclination, at this time, child can be in relatively upright sitting posture and ride in child stroller.
[0033] In the present embodiment, the stroller comprises two flexible belts, parts of which are fixed together to form the adjusting belt 5, and parts of which are separated to form the left and right movable belts 61 and 62. The fixed parts of the belts can be sewn together. Alternatively, the two belts can be separated from each other, in which case the adjusting belt 5 has two layers.
[0034] As shown in Figure 1 , Figures 8 to 11 , the left movable belt 61 is connected to the left side of the frame 1 through the left connecting part 611, and the right movable belt 62 is connected to the right side of the frame 1 through the right connecting part 621. The left and right movable belts 61 and 62 are arranged around the side of the connecting cloth 32 and are inserted into the supporting part 31 to be connected to the adjusting belt 5. Therefore, when the adjusting belt 62 pulls the left and right movable belts 61 and 62 to slide, the left and right movable belts 61 and 62 are tightened to push the supporting part 31 forward, so as to change the angle of the supporting part 31. When it is needed to increase the angle of the supporting part 31 relative to the seat part 2, the adjusting belt 5 is loosened, so that the left and right movable belts 61 and 62 are loosened relative to the supporting part 31 and the connecting cloth 32, and the supporting part 31 is moved backward under the action of gravity.
[0035] As shown in Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 7As shown, the adjusting belt 5 slides longitudinally relative to the support part 31, the support part 31 is provided with longitudinal sliding spaces for the left and right movable belts 61 and 62 to slide longitudinally relative to the support part 31 and transverse sliding spaces for the left and right movable belts 61 and 62 to slide transversely relative to the support part 31, and the support part 31 is provided with the conversion assembly 7 at the position where the longitudinal sliding spaces and the transverse sliding spaces meet to change the sliding direction of the left and right movable belts 61 and 62. The left and right movable belts 61 and 62 enclose the side of the connecting cloth 32 and extend transversely relative to the support part 31, and at the position of the conversion assembly 7, the left and right movable belts 61 and 62 change to extend longitudinally, so that the connecting seat 4 arranged on the upper side of the support part 31 can also pull the left and right movable belts 61 and 62 to slide relative to the connecting cloth 32 to tighten the connecting cloth 32 and the support part 31 forward. Therefore, when the adjusting belt 5 is pulled, the adjusting belt 5 pulls a part of the left and right movable belts 61 and 62 to slide longitudinally in the support part 31 and a part of the left and right movable belts 61 and 62 to slide transversely in the support part 31, and pulling the adjusting belt 5 on the upper side of the support part 31 can directly apply a pushing force to the upper side of the support part 31, so that it is easier to make the lower end of the support part 31 move relative to the position where the support part 31 meets the seat part 2 to change the inclination angle of the support part 31 as a whole, so that the user can adjust the angle between the support part 31 and the seat part 2 by pulling the adjusting belt with one hand, and when it is needed to adjust the angle between the support part 31 and the seat part 2 to be larger, the user only needs to loosen the adjusting belt 5 with one hand, and the support part 31 automatically inclines backward under the action of gravity, which is very labor-saving and convenient to operate.
[0036] As shown in Figure 1 , Figures 8 to 11 , the support part 31 comprises a support cloth 311 integrally connected with the connecting cloth 32, the inner side of the support cloth 311 is provided with a support plate 312, and the support plate 312 can be well supported by the back of the child. The connecting seat 4 is fixed on the support plate 312 and exposed to the support cloth 311, the conversion assembly 7 is fixed on the support plate 312, the longitudinal sliding spaces and the transverse sliding spaces are arranged between the support cloth 311 and the support plate 312, the connecting seat 4 is arranged on the upper side of the support part 31, and the conversion assembly 7 is arranged on the lower side of the support part 31.
[0037] As shown in Figure 2 , Figure 4 and Figure 5As shown, the conversion assembly 7 comprises a first conversion seat 71 and a second conversion seat 72, the first conversion seat 71 is provided with a first inclined hole 711 for the left movable belt 61 to pass through, and the second conversion seat 72 is provided with a second inclined hole 721 for the right movable belt 62 to pass through. The first inclined hole 711 and the second inclined hole 721 are arranged to enable the left movable belt 61 and the right movable belt 62 to change the extension direction and slide. The first conversion seat 71 is provided with a recess hole 712, and the second conversion seat 72 is provided with a convex column 722 which is clamped with the recess hole 712.
[0038] As shown in Figure 2 , Figure 4 and Figure 5 , the extension direction of the first inclined hole 711 and the second inclined hole 721 is perpendicular to each other, the extension direction of the first inclined hole 711 forms a 45-degree angle with the sliding direction of the left movable belt 61, and the extension direction of the second inclined hole 721 forms a 45-degree angle with the sliding direction of the right movable belt 62, thereby ensuring that the left movable belt 51 and the right movable belt 62 are in a coincident state in the longitudinal extension direction, and facilitating the simultaneous sliding of the two when pulling the adjustment belt 5.
[0039] As shown in Figure 1 , Figure 3 and Figure 6As shown, the connecting base 4 is provided with a slide 41 for the inner sliding of the adjusting belt 5, and is further provided with a movable handle 81 movable relative to the connecting base 4, the movable handle 81 is provided with a clamping tongue 82 capable of extending into or out of the slide 41 when the movable handle 81 is moved, the adjusting belt 5 is provided with at least two positioning protrusions 51 capable of abutting against the clamping tongue 82 to position the adjusting belt 5, and the movable handle 81 and the connecting base 4 are further provided with a reset spring 83 capable of driving the movable handle 81 to reset. In the embodiment, the movable handle 81 is rotatably hinged to the connecting base 4, and of course, the movable handle 81 can also be slidably connected to the connecting base 4. The lower side of the clamping tongue 82 is provided with an inclined surface 84, the positioning protrusion 51 is provided with an arc surface 52 capable of abutting against the inclined surface 84 to enable the clamping tongue 82 to be squeezed when the adjusting belt 5 is pulled, and the upper side of the clamping tongue 82 is provided with a positioning step 85 capable of abutting against the arc surface 52. In the initial state, the arc surface 52 of one positioning protrusion 51 abuts against the positioning step 85 of the clamping tongue 81, when it is needed to adjust the angle between the supporting part 31 and the seat part 2 to be smaller, the adjusting belt 5 is directly pulled upward, after the adjusting belt 5 slides a certain distance, the arc surface 52 of the other positioning protrusion 51 abuts against the inclined surface 84 of the clamping tongue 82 to be squeezed, so that the movable handle 81 is rotated, the clamping tongue 81 is squeezed, in the process, the left movable belt 61 and the right movable belt 62 slide upward and tighten the supporting part 31 and the connecting cloth 32, so that the angle of the supporting part 31 is changed, when the positioning protrusion 51 of the clamping tongue 81 is located above the clamping tongue 81, the reset spring 83 pushes the movable handle 81 to rotate to reset, the arc surface 52 of the positioning protrusion 51 abuts against the positioning step 85 of the clamping tongue 81, so that the adjusting belt 5 is prevented from sliding downward, thereby the angle of the supporting part 31 is kept. When it is needed to adjust the angle between the supporting part 31 and the seat part 2 to be larger, the movable handle 81 is simply pulled, the end of the clamping tongue 82 slides away from the arc surface 52 of the positioning protrusion 51, at this time, the clamping tongue 82 releases the adjusting belt 5, the left movable belt 61 and the right movable belt 62 become loose, the supporting part 31 moves backward under the gravity, thereby the angle is changed. The positioning protrusion 51 can be formed on the belt by sewing. In the embodiment, two positioning protrusions 51 are arranged on the adjusting belt 5, and of course, more positioning protrusions can be arranged to enable the supporting part 31 to stay at more angle positions.
[0040] The above embodiment is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose.
Claims
1. A stroller, characterized by: The utility model relates to a child's car seat, which comprises a frame (1), a seat part (2) and a backrest part (3) arranged on the frame (1), the backrest part (3) comprising a supporting part (31) for supporting the back of a child, a flexible foldable or unfoldable connecting cloth (32) arranged on the outer side of the supporting part (31), the front side of the connecting cloth (32) being connected to the frame (1), a connecting seat (4) connected to the supporting part (31), an adjusting belt (5) arranged in the connecting seat (4) and capable of sliding or being positioned in the connecting seat (4), a left movable belt (61) and a right movable belt (62) arranged at the lower end of the adjusting belt (5) and capable of sliding relative to the supporting part (31) and the connecting cloth (32) when pulled by the adjusting belt (5) to push the supporting part (31) and change the inclination angle of the supporting part (31).
2. The stroller of claim 1, wherein: The left movable belt (61) is connected to the left side of the frame (1) through a left connecting part (611) arranged on the left movable belt (61), the right movable belt (62) is connected to the right side of the frame (1) through a right connecting part (621) arranged on the right movable belt (62), and the left movable belt (61) and the right movable belt (62) enclose the side of the connecting cloth (32) and are arranged in the supporting part (31) to be connected to the adjusting belt (5).
3. The stroller of claim 1 or 2, wherein: The adjusting belt (5) slides longitudinally relative to the supporting part (31), the supporting part (31) is provided with a longitudinal sliding space for the left movable belt (61) and the right movable belt (62) to slide longitudinally relative to the supporting part (31) and a transverse sliding space for the left movable belt (61) and the right movable belt (62) to slide transversely relative to the supporting part (31), and the supporting part (31) is provided with a conversion assembly (7) capable of changing the sliding direction of the left movable belt (61) and the right movable belt (62) at the position where the longitudinal sliding space and the transverse sliding space meet.
4. The stroller of claim 3, wherein: The conversion assembly (7) comprises a first conversion seat (71) and a second conversion seat (72), the first conversion seat (71) is provided with a first inclined hole (711) for the left movable belt (61) to pass through, and the second conversion seat (72) is provided with a second inclined hole (721) for the right movable belt (62) to pass through.
5. The stroller of claim 4, wherein: The extension directions of the first inclined hole (711) and the second inclined hole (721) are perpendicular to each other, the extension direction of the first inclined hole (711) forms a 45-degree angle with the sliding direction of the left movable belt (61), and the extension direction of the second inclined hole (721) forms a 45-degree angle with the sliding direction of the right movable belt (62).
6. The stroller of claim 3, wherein: The connecting seat (4) is provided with a sliding channel (41) for the adjusting belt (5) to slide in, the connecting seat (4) is further provided with a movable handle (81) capable of moving relative to the connecting seat (4), the movable handle (81) is provided with a clamping tongue (82) capable of extending into or out of the sliding channel (41) when the movable handle (81) moves, the adjusting belt (5) is provided with at least two positioning protrusions (51) capable of abutting against the clamping tongue (82) to position the adjusting belt (5), and the movable handle (81) and the connecting seat (4) are further provided with a reset spring (83) capable of driving the movable handle (81) to reset.
7. The stroller of claim 6, wherein: The two flexible belts are fixed together at some positions to form the adjusting belt (5), and are separated at the lower end of the adjusting belt (5) to form the left movable belt (61) and the right movable belt (62).
8. The stroller of claim 6, wherein: The lower side of the clamping tongue (82) is provided with an inclined surface (84), the positioning convex (51) is provided with an arc surface (52) which can abut against the inclined surface (84) to push away the clamping tongue (82) when the adjusting belt (5) is pulled.
9. The stroller of claim 3, wherein: The support part (31) comprises a support cloth (311) which is integrally connected with the connecting cloth (32), the inner side of the support cloth (311) is provided with a support plate (312), the connecting seat (4) is fixed on the support plate (312) and exposed to the support cloth (311), the conversion assembly (7) is fixed on the support plate (312), and the longitudinal sliding space and the transverse sliding space are arranged between the support cloth (311) and the support plate (312).
10. The stroller of claim 3, wherein: The connecting seat (4) is located on the upper side of the support part (31), and the conversion assembly (7) is located on the lower side of the support part (31).