Foldable baby carriage
By designing the rotation of the base and the fixing part and the synchronous movement of the connecting rod in the stroller, combined with the design of elastic parts and unlocking parts, the safety accident caused by the closeness of the front and rear legs during the folding process of the existing stroller is solved, and the safety accidents caused by the closeness of the front and rear legs of the existing stroller are improved. Safety performance.
Patent Information
- Application Number
- CN202420310460.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-19
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-02-19
AI Technical Summary
During the folding process of existing foldable strollers, the front and rear legs need to be manually pulled to the connection, which can easily cause safety accidents such as pinch injuries.
A stroller including a front wheel assembly, a rear wheel assembly, a base, a first connecting rod, a second connecting rod, a first locking member and a first unlocking member are designed, and a first connecting rod through the rotation of the base and the fixing portion and the first connecting rod. Synchronous movement with the second link enables the proximity of the front and rear wheel assembly, and the design of elastic and unlocking parts avoids the risk of clamping.
It effectively avoids safety accidents such as pinch injuries, improves safety performance, and ensures the safety of the stroller during folding.
Smart Images

Figure CN222329796U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of baby carriages, in particular to a foldable baby carriage. Background Art
[0002] A stroller is a convenient tool for parents or other caregivers to transport children (whether newborns, toddlers or young children). However, strollers are usually relatively large, and in order to minimize the occupied space when transporting or storing, existing strollers are usually designed to be foldable.
[0003] The foldable baby stroller in the prior art includes a frame body, front legs and rear legs, wherein a first connecting rod and a second connecting rod which are rotatably connected are provided between the front legs and the rear legs. When in use, the first connecting rod and the second connecting rod are in a straight line. When folding is required, the connection between the first connecting rod and the second connecting rod needs to be pulled manually. Although it is very convenient, after the connection between the first connecting rod and the second connecting rod is pulled manually, the front legs and the rear legs will quickly get close to each other, which may easily cause safety accidents.
[0004] Therefore, it is necessary to improve the existing technology to solve the problem that when the front legs and rear legs of the foldable baby stroller in the existing technology are folded, the connection between the first connecting rod and the second connecting rod needs to be manually pulled, and the front legs and rear legs will quickly move closer, which may easily cause safety accidents such as pinching. Utility Model Content
[0005] The utility model aims to provide a foldable baby stroller to solve the technical problem that when folding the front legs and the rear legs of the foldable baby stroller in the prior art, the front legs and the rear legs will quickly move closer after manually pulling the connection between the first connecting rod and the second connecting rod, which may easily cause safety accidents such as pinching.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A foldable baby stroller comprising:
[0008] Front wheel assembly;
[0009] Rear wheel assembly;
[0010] A base, wherein the base is connected to a fixing portion and a first connecting rod, and the first connecting rod is connected to a front wheel assembly;
[0011] a second connecting rod, the second connecting rod connecting the rear wheel assembly and the first connecting rod;
[0012] A first locking member, disposed between the base and the fixing portion, and used to lock the base and the fixing portion;
[0013] a first unlocking member abutting against the first locking member;
[0014] The front wheel assembly and the rear wheel assembly are both connected to the fixed part, the first unlocking member is driven, the first locking member is separated from the base, the base is subjected to force, the base rotates relative to the fixed part and drives the first connecting rod, the first connecting rod synchronously drives the second connecting rod, and the front wheel assembly and the rear wheel assembly approach each other.
[0015] Preferably, the fixing portion is provided with a first accommodating groove and a first elastic member, the base is provided with a second accommodating groove, the first accommodating groove and the second accommodating groove are communicated, the first elastic member connects the first locking member and the first accommodating groove, and in the locked state, the first elastic member constantly provides an elastic force that enables the first locking member to be located in the first accommodating groove and the second accommodating groove at the same time.
[0016] Preferably, the first unlocking member comprises an abutting block, the abutting block is provided with a first inclined surface, the first inclined surface abuts against the first locking member, and the abutting block is driven, and the first inclined surface pushes the first locking member to separate from the base.
[0017] Preferably, the first unlocking member further comprises a pushing block, the pushing block is provided with a second inclined surface, the second inclined surface abuts against the abutting block, the pushing block is driven, the second inclined surface pushes the abutting block, and the first inclined surface pushes the first locking member to separate from the base.
[0018] Preferably, the foldable baby stroller also includes a seat group and a backrest group, the seat group is connected to the base, a second locking member is provided between the seat group and the backrest group, and the backrest group is provided with a second unlocking member, and when the second unlocking member is driven, the second locking member disengages from the backrest group.
[0019] Preferably, the backrest group is provided with a fourth accommodating groove, and the seat plate group includes a third accommodating groove and a second elastic member, the second elastic member connects the third accommodating groove and the second locking member, and in the locked state, the second elastic member constantly provides elastic force so that the second locking member is simultaneously located in the third accommodating groove and the fourth accommodating groove.
[0020] Preferably, the second unlocking member includes a tilting block, a rotating block, a steel cable, a limiting portion and a button, the tilting block is arranged on the backrest group and abuts against the rotating block, the first end of the steel cable is limited in the limiting portion, the second end of the steel cable is connected to the rotating block, the button is driven, the first end of the steel cable slides in the limiting portion, the second end of the steel cable drives the rotating block to rotate, the tilting block pushes the rotating block and the second locking member, and the second locking member disengages from the backrest group.
[0021] Preferably, the foldable baby stroller further comprises an armrest portion and a third unlocking member, a third locking member is provided between the armrest portion and the seat plate assembly, the third unlocking member abuts against the third locking member, the third unlocking member is driven, and the third locking member is disengaged from the armrest portion.
[0022] Preferably, the armrest portion is provided with a sixth accommodating groove, the seat plate assembly is provided with a fifth accommodating groove and a third elastic member, the third elastic member connects the fifth accommodating groove and the third locking member, and in a fixed state, the third elastic member constantly provides elastic force so that the third locking member is simultaneously located in the fifth accommodating groove and the sixth accommodating groove.
[0023] Preferably, the backrest group is connected to a fixing block, and when the backrest group rotates, the fixing block pushes the third unlocking member.
[0024] Compared with the prior art, the utility model has the following beneficial effects:
[0025] The utility model designs a foldable baby stroller, which includes a front wheel assembly, a rear wheel assembly, a base, a second connecting rod, a first locking member and a first unlocking member. The base is connected with a fixed part and a first connecting rod. The first connecting rod is connected to the front wheel assembly, and the second connecting rod is connected to the rear wheel assembly and the first connecting rod. The first locking member is arranged between the base and the fixed part and is used to lock the base and the fixed part. The first unlocking member abuts against the first locking member. Both the front wheel assembly and the rear wheel assembly are connected to the fixed part. When the first unlocking member is driven, the first locking member can be separated from the base. At this time, the base is stressed and the base can rotate relative to the fixed part. The first connecting rod is connected to the base, and the second connecting rod is connected to the first connecting rod. The second connecting rod and the first connecting rod can be close to each other to achieve folding. The first unlocking member of the utility model is far away from the front wheel assembly and the rear wheel assembly, which avoids the problem of safety accidents such as pinching, and the safety performance is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a structural schematic diagram of a foldable baby stroller of the utility model;
[0027] Figure 2 It is a structural schematic diagram of the base, front wheel assembly, rear wheel assembly and seat plate assembly of the utility model;
[0028] Figure 3 It is a structural schematic diagram of the fixing part, the tilting block and the abutting block of the utility model;
[0029] Figure 4 It is a structural schematic diagram of the button and the limiting part of the utility model;
[0030] Figure 5 It is a structural schematic diagram of the tilting block of the utility model;
[0031] Figure 6 yes Figure 2 A partial enlarged view of point A in the middle.
[0032] Illustrations: 1. Backrest group; 2. Armrest part; 3. Seat plate group; 4. Base; 5. First connecting rod; 6. Second connecting rod; 7. Front wheel assembly; 8. Rear wheel assembly; 9. Fixed part; 10. First locking member; 11. Abutment block; 12. Push block; 13. Second locking member; 14. Tilt block; 15. Rotate block; 16. Limiting part; 17. Push button; 18. Third locking member; 19. Third unlocking member; 20. Fixed block. DETAILED DESCRIPTION
[0033] In order to make the utility model's purpose, features, and advantages more obvious and easy to understand, the following will be combined with the drawings in the utility model embodiments to clearly and completely describe the technical solutions in the utility model embodiments. Obviously, the embodiments described below are only part of the utility model embodiments, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0034] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.
[0035] The foldable baby stroller of the utility model comprises a front wheel assembly 7, a rear wheel assembly 8, a base 4, a second connecting rod 6, a first locking piece 10 and a first unlocking piece. The base 4 is connected with a fixing portion 9 and a first connecting rod 5. The first connecting rod 5 is connected to the front wheel assembly 7, the second connecting rod 6 is connected to the rear wheel assembly 8 and the first connecting rod 5. The first locking piece 10 is arranged between the base 4 and the fixing portion 9 and is used to lock the base 4 and the fixing portion 9. The first unlocking piece abuts against the first locking piece 10. The front wheel assembly 7 and the rear wheel assembly 8 are both connected to the fixing portion 9. The first unlocking piece is driven, the first locking piece 10 is disengaged from the base 4, the base 4 is subjected to force, the base 4 rotates relative to the fixing portion 9 and drives the first connecting rod 5. The first connecting rod 5 synchronously drives the second connecting rod 6, and the front wheel assembly 7 and the rear wheel assembly 8 are close to each other.
[0036] It should be noted that the first unlocking member of the utility model is far away from the front wheel assembly 7 and the rear wheel assembly 8, the fixing part 9 is fixedly connected to the rear wheel assembly 8, and the fixing part 9 is rotatably connected to the front wheel assembly 7. When the first unlocking member is driven, the first locking member 10 can be separated from the base 4. At this time, the base 4 is subjected to force, and the base 4 can rotate relative to the fixing part 9. The first connecting rod 5 is connected to the base 4, and the second connecting rod 6 is connected to the first connecting rod 5. The second connecting rod 6 and the first connecting rod 5 can be close to each other. Compared with the prior art, it avoids the problem of safety accidents such as pinching, and the safety performance is greatly improved.
[0037] Specifically, the fixing portion 9 is provided with a first accommodating groove and a first elastic member, the base 4 is provided with a second accommodating groove, the first accommodating groove and the second accommodating groove are communicated, the first elastic member connects the first locking member 10 and the first accommodating groove, and in the locked state, the first elastic member constantly provides elastic force that the first locking member 10 is simultaneously located in the first accommodating groove and the second accommodating groove.
[0038] Specifically, the first unlocking member includes an abutting block 11 , and the abutting block 11 is provided with a first inclined surface, and the first inclined surface abuts against the first locking member 10 . When the abutting block 11 is driven, the first inclined surface pushes the first locking member 10 to separate from the base 4 .
[0039] Specifically, the first unlocking member further includes a push block 12 , which is provided with a second inclined surface, the second inclined surface abuts against the abutting block 11 , and when the push block 12 is driven, the second inclined surface pushes the abutting block 11 , and the first inclined surface pushes the first locking member 10 to separate from the base 4 .
[0040] The first elastic member of the utility model is a spring. When the fixing part 9 and the base 4 need to be unlocked, the push block 12 needs to be pushed first. The second inclined surface of the push block 12 pushes the abutment block 11 to move downward. When the abutment block 11 moves downward, it can push the first locking member 10. The first locking member 10 moves in a direction close to the fixing part 9. When the first locking member 10 is completely moved to the fixing part 9, the base 4 and the fixing part 9 are unlocked.
[0041] Specifically, the foldable baby stroller also includes a seat group 3 and a backrest group 1, the seat group 3 is connected to the base 4, a second locking member 13 is provided between the seat group 3 and the backrest group 1, and the backrest group 1 is provided with a second unlocking member. When the second unlocking member is driven, the second locking member 13 disengages from the backrest group 1.
[0042] Specifically, the backrest group 1 is provided with a fourth accommodating groove, the seat plate group 3 includes a third accommodating groove and a second elastic member, the second elastic member connects the third accommodating groove and the second locking member 13, and in the locked state, the second elastic member constantly provides elastic force for the second locking member 13 to be located in the third accommodating groove and the fourth accommodating groove at the same time.
[0043] Specifically, the second unlocking member includes a tilting block 14, a rotating block 15, a steel cable, a limiting portion 16 and a button 17. The tilting block 14 is arranged on the backrest group 1 and abuts against the rotating block 15. The first end of the steel cable is limited in the limiting portion 16, and the second end of the steel cable is connected to the rotating block 15. The button 17 is driven, the first end of the steel cable slides in the limiting portion 16, and the second end of the steel cable drives the rotating block 15 to rotate. The tilting block 14 pushes the rotating block 15 and the second locking member 13, and the second locking member 13 disengages from the backrest group 1.
[0044] When in the locked state, the inclined surface of the tilting block 14 of the utility model abuts against the lowest point of the inclined surface of the rotating block 15, and the second locking piece 13 is arranged between the rotating block 15 and the third receiving groove. The button 17 is pressed, and the first end of the steel cable slides in the limiting portion 16, and the second end of the steel cable drives the rotating block 15 to rotate. The tilting block 14 pushes the rotating block 15 and the second locking piece 13 to move in the direction close to the third receiving groove. When the second locking piece 13 is completely pushed into the third receiving groove, the backrest group 1 and the seat plate group 3 are unlocked. At this time, the backrest group 1 can be rotated relative to the seat plate group 3 under force, and the backrest group 1 can be folded.
[0045] Specifically, the foldable baby stroller also includes an armrest portion 2 and a third unlocking member 19 . A third locking member 18 is provided between the armrest portion 2 and the seat plate assembly 3 . The third unlocking member 19 abuts against the third locking member 18 . When the third unlocking member 19 is driven, the third locking member 18 is disengaged from the armrest portion 2 .
[0046] Specifically, the armrest portion 2 is provided with a sixth accommodating groove, the seat plate group 3 is provided with a fifth accommodating groove and a third elastic member, the third elastic member connects the fifth accommodating groove and the third locking member 18, and in a fixed state, the third elastic member constantly provides an elastic force that enables the third locking member 18 to be located in the fifth accommodating groove and the sixth accommodating groove at the same time.
[0047] Specifically, the backrest group 1 is connected to a fixing block 20 , and when the backrest group 1 rotates, the fixing block 20 pushes the third unlocking member 19 .
[0048] It should be noted that the third locking member 18 of the utility model is arranged between the third unlocking member 19 and the fifth receiving groove, the first end of the third unlocking member 19 is close to the fixed block 20, and the second end of the third unlocking member 19 abuts the third locking member 18, and the third locking member 18 is arranged between the third unlocking member 19 and the fifth receiving groove, and the inclined surface of the third unlocking member 19 abuts the inclined surface of the third locking member 18. When the backrest group 1 rotates, the fixed block 20 on the backrest group 1 can push the third unlocking member 19, and the third locking member 18 moves in the direction close to the fifth receiving groove. When the third locking member 18 is completely moved to the fifth receiving groove, the armrest part 2 can be rotated relative to the seat plate group 3 to achieve folding.
[0049] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "left", "right", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.
[0050] As described above, the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.
Claims
1. A foldable baby stroller, characterized in that: include: Front wheel assembly; Rear wheel assembly; A base, wherein the base is connected to a fixing portion and a first connecting rod, and the first connecting rod is connected to a front wheel assembly; a second connecting rod, the second connecting rod connecting the rear wheel assembly and the first connecting rod; A first locking member, disposed between the base and the fixing portion, and used to lock the base and the fixing portion; a first unlocking member abutting against the first locking member; The front wheel assembly and the rear wheel assembly are both connected to the fixed part, the first unlocking member is driven, the first locking member is separated from the base, the base is subjected to force, the base rotates relative to the fixed part and drives the first connecting rod, the first connecting rod synchronously drives the second connecting rod, and the front wheel assembly and the rear wheel assembly approach each other.
2. The foldable baby stroller according to claim 1, characterized in that: The fixing portion is provided with a first accommodating groove and a first elastic member, the base is provided with a second accommodating groove, the first accommodating groove and the second accommodating groove are communicated, the first elastic member connects the first locking member and the first accommodating groove, and in a locked state, the first elastic member constantly provides an elastic force that enables the first locking member to be located in the first accommodating groove and the second accommodating groove at the same time.
3. The foldable baby stroller according to claim 1, characterized in that: The first unlocking member includes an abutting block, the abutting block is provided with a first inclined surface, the first inclined surface abuts against the first locking member, the abutting block is driven, and the first inclined surface pushes the first locking member to separate from the base.
4. The foldable baby stroller according to claim 3, characterized in that: The first unlocking member also includes a push block, the push block is provided with a second inclined surface, the second inclined surface abuts the abutting block, the push block is driven, the second inclined surface pushes the abutting block, and the first inclined surface pushes the first locking member to separate from the base.
5. The foldable baby stroller according to claim 1, characterized in that: It also includes a seat plate group and a backrest group, the seat plate group is connected to the base, a second locking member is provided between the seat plate group and the backrest group, the backrest group is provided with a second unlocking member, and the second unlocking member is driven to disengage the second locking member from the backrest group.
6. The foldable baby stroller according to claim 5, characterized in that: The backrest group is provided with a fourth accommodating groove, and the seat plate group includes a third accommodating groove and a second elastic member, the second elastic member connects the third accommodating groove and the second locking member, and in the locked state, the second elastic member constantly provides elastic force for the second locking member to be located in the third accommodating groove and the fourth accommodating groove at the same time.
7. The foldable baby stroller according to claim 5, characterized in that: The second unlocking member includes a tilting block, a rotating block, a steel cable, a limiting portion and a button. The tilting block is arranged on the backrest group and abuts against the rotating block. The first end of the steel cable is limited in the limiting portion, and the second end of the steel cable is connected to the rotating block. The button is driven, the first end of the steel cable slides in the limiting portion, and the second end of the steel cable drives the rotating block to rotate. The tilting block pushes the rotating block and the second locking member, and the second locking member disengages from the backrest group.
8. The foldable baby stroller according to claim 5, characterized in that: It also includes an armrest portion and a third unlocking member, a third locking member is provided between the armrest portion and the seat plate assembly, the third unlocking member abuts against the third locking member, the third unlocking member is driven, and the third locking member is separated from the armrest portion.
9. The foldable baby stroller according to claim 8, characterized in that: The armrest portion is provided with a sixth receiving groove, the seat plate assembly is provided with a fifth receiving groove and a third elastic member, the third elastic member connects the fifth receiving groove and the third locking member, and in a fixed state, the third elastic member constantly provides elastic force for the third locking member to be located in the fifth receiving groove and the sixth receiving groove at the same time.
10. The foldable baby stroller according to claim 8, characterized in that: The backrest group is connected with a fixing block, and when the backrest group rotates, the fixing block pushes the third unlocking member.