Baby stroller

Abstract

The utility model discloses a baby stroller which comprises a handle portion, an unlocking piece and a locking piece, the handle portion is connected with a supporting portion and a connecting portion, the locking piece is arranged between the connecting portion and the handle portion and used for locking the connecting portion and the handle portion, the connecting portion is connected with a fixing portion, and the fixing portion is connected with a rear foot set and a front foot set. A connecting rod assembly is arranged between the front foot set and the rear foot set, the supporting part is rotationally connected with the connecting rod assembly, the unlocking piece is pressed, the handle part and the connecting part are unlocked, the handle part can rotate in the direction close to the front foot set, and the connecting part and the supporting part can rotate in the direction close to the rear foot set. The supporting part locks the connecting rod assembly and continues to rotate, the connecting rod assembly is folded, and the front foot set rotates in the direction close to the rear foot set. According to the baby stroller, the problems that the front feet are folded too early, the gravity center is unbalanced, and a folded baby cannot stand after being pushed by hands are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of baby products, in particular to a baby stroller. Background Art

[0002] A baby stroller is a means of transportation specially designed for babies, which can help parents travel with their babies easily. With the development of society and the improvement of people's living standards, the market demand for baby strollers is also increasing.

[0003] The prior art baby strollers are all foldable in structure and can be automatically folded by pressing a folding button when not in use, which brings great convenience to people. However, the prior art baby strollers have a problem that the front legs are folded too early when they are automatically folded, and the center of gravity of the baby strollers is unbalanced during the folding process, and the baby strollers cannot stand.

[0004] Therefore, it is necessary to improve the existing technology to solve the problem that the front legs of the existing baby stroller are folded too early when the stroller is automatically folded, the center of gravity is unbalanced, and the stroller cannot stand after being folded. Utility Model Content

[0005] The utility model aims to provide a baby stroller to solve the technical problems of the prior art that the front legs of the baby strollers are folded too early when they are automatically folded, the center of gravity is unbalanced, and the baby strollers cannot stand after being folded.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A baby stroller comprises a handle portion, an unlocking piece and a locking piece, the handle portion being connected to a supporting portion and a connecting portion, the locking piece being arranged between the connecting portion and the handle portion and being used to lock the connecting portion and the handle portion, the connecting portion being connected to a fixing portion, the fixing portion being connected to a rear foot group and a front foot group, a connecting rod assembly being arranged between the front foot group and the rear foot group, the supporting portion being rotatably connected to the connecting rod assembly, the unlocking piece being pressed, the handle portion and the connecting portion being unlocked, the handle portion being rotatable in a direction approaching the front foot group, the connecting portion and the support portion being rotatable in a direction approaching the rear foot group, when the supporting portion is rotated to be in the same straight line as the connecting rod assembly, the supporting portion locks the connecting rod assembly, the supporting portion continues to rotate, the connecting rod assembly is folded, and the front foot group is rotated in a direction approaching the rear foot group.

[0008] Preferably, the fixing portion is fixedly connected to the rear foot group and rotatably connected to the front foot group, and the connecting rod assembly includes a first connecting rod and a second connecting rod, the first end of the first connecting rod is connected to the rear foot group and the supporting portion, the first end of the second connecting rod is connected to the front foot group, and the second end of the second connecting rod is hinged to the second end of the first connecting rod.

[0009] Preferably, the support portion is provided with a fourth elastic member and a limit block, the first connecting rod is provided with a limit opening, the support portion is rotated until it is in the same straight line as the connecting rod assembly, the fourth elastic member provides elastic force to limit the limit block to the limit opening, the handle portion continues to rotate, and the first connecting rod rotates in a direction close to the fixed portion.

[0010] Preferably, the baby stroller further comprises a sliding sleeve and an armrest portion, the sliding sleeve is rotatably connected to the connecting portion, and the armrest portion is rotatably connected to the supporting portion via the sliding sleeve.

[0011] Preferably, the baby stroller further comprises a seat plate assembly, and the seat plate assembly is rotatably connected to the supporting portion and the fixing portion.

[0012] Preferably, the locking member comprises a gear and a first elastic member, wherein the first elastic member is disposed between the gear and the connecting portion, and when in a locked state, the gear is disposed between the connecting portion and the handle portion.

[0013] Preferably, the baby stroller also includes a contact block, the handle portion is provided with a tilting block, the contact block is arranged between the handle portion and the gear, and is provided with an inclined surface matching the tilting block, the contact block abuts against the tilting block, the unlocking member is connected to the contact block, the unlocking member is pressed, the contact block rotates relative to the handle portion, and the contact block pushes the gear to disengage from the handle portion.

[0014] Preferably, the unlocking member includes a button, a connecting member and a second elastic member, the handle portion is provided with a limiting portion, the limiting portion is provided with a sliding groove, the first end of the connecting member is limited in the sliding groove, the second end of the connecting member is connected to the abutment block, the second elastic member is provided between the button and the limiting portion, and the inclined surface of the button abuts against the connecting member.

[0015] Preferably, the baby stroller further comprises a third elastic member, wherein the third elastic member is connected to the gear and the connecting portion, and in a locked state, the third elastic member constantly provides an elastic force for the connecting member to abut against the button.

[0016] Preferably, the baby stroller also includes an unlocking block, the second elastic member is arranged between the unlocking block and the button, the unlocking block abuts the button and the limiting portion, the button is provided with a accommodating space, the unlocking block is pressed, the unlocking block can slide along the accommodating space, when the unlocking block is located in the accommodating space, the button is pressed, and the button can drive the connecting member and the abutting block.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The baby stroller designed by the utility model comprises a handle portion, an unlocking member and a locking member, the handle portion is connected with a supporting portion and a connecting portion, the locking member is arranged between the connecting portion and the handle portion and is used to lock the connecting portion and the handle portion, the connecting portion is connected with a fixing portion, the fixing portion is connected with a rear foot group and a front foot group, a connecting rod assembly is arranged between the front foot group and the rear foot group, the supporting portion is rotatably connected with the connecting rod assembly and the rear foot group, the unlocking member is pressed, the handle portion and the connecting portion are unlocked, the handle portion can be rotated in a direction close to the front foot group, the connecting portion and the supporting portion can be rotated in a direction close to the rear foot group, when the supporting portion is rotated to be in the same straight line with the connecting rod assembly, the supporting portion locks and drives the connecting rod assembly to fold, and the front foot group rotates in a direction close to the rear foot group. The utility model utilizes a support part to drive a connecting rod assembly. When the support part rotates until it is in a straight line with the connecting rod assembly and then continues to rotate toward a direction close to the rear leg group, the support part can drive the connecting rod assembly to rotate, the connecting rod assembly begins to fold, and the front leg group can rotate toward the rear leg group, thereby avoiding the problem that the front leg is folded too early, the center of gravity is unbalanced, and the baby cannot stand up after being folded by hand. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a baby stroller of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the support part and the connecting rod assembly of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the connection limit part and the abutment block of the connector of the utility model;

[0022] Figure 4 This utility model Figure 3 A partial enlarged view of the middle A;

[0023] Figure 5 This utility model Figure 3 A partial enlarged view of point B in the middle;

[0024] Figure 6 It is a schematic diagram of the structure of the unlocking block abutting against the button and the limiting part of the utility model;

[0025] Figure 7 It is a structural schematic diagram of the tilting block of the utility model;

[0026] Figure 8 It is a structural schematic diagram of the gear of the utility model.

[0027] Illustrations: 1. Fixed part; 2. Front foot group; 3. Rear foot group; 4. First connecting rod; 5. Second connecting rod; 6. Connecting part; 7. Supporting part; 8. Handle part; 9. Button; 10. Limiting opening; 11. Armrest part; 12. Seat plate group; 13. Slide groove; 14. Connecting piece; 15. Abutting block; 16. Tilting block; 17. Gear; 18. Unlocking block; 19. Accommodating space; 20. Guide surface; 21. Limiting block; 22. Fourth elastic piece. DETAILED DESCRIPTION

[0028] 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.

[0029] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0030] See also Figure 1-8 As shown, this embodiment designs a baby stroller, which includes a handle portion 8, an unlocking member and a locking member, the handle portion 8 is connected to the support portion 7 and the connecting portion 6, the locking member is arranged between the connecting portion 6 and the handle portion 8, and is used to lock the connecting portion 6 and the handle portion 8, the connecting portion 6 is connected to the fixing portion 1, the fixing portion 1 is connected to the rear foot group 3 and the front foot group 2, a connecting rod assembly is arranged between the front foot group 2 and the rear foot group 3, the support portion 7 is rotatably connected with the connecting rod assembly, the unlocking member is pressed, the handle portion 8 and the connecting portion 6 are unlocked, the handle portion 8 can be rotated in a direction close to the front foot group 2, the connecting portion 6 and the support portion 7 can be rotated in a direction close to the rear foot group 3, when the support portion 7 is rotated to be in the same straight line with the connecting rod assembly, the support portion 7 locks the connecting rod assembly, the support portion 7 continues to rotate, the connecting rod assembly abutting against the support portion 7 is folded, and the front foot group 2 is rotated in a direction close to the rear foot group 3.

[0031] Specifically, the fixed part 1 is fixedly connected to the rear foot group 3 and rotatably connected to the front foot group 2. The connecting rod assembly includes a first connecting rod 4 and a second connecting rod 5. The first end of the first connecting rod 4 is connected to the rear foot group 3 and the supporting part 7, the first end of the second connecting rod 5 is connected to the front foot group 2, and the second end of the second connecting rod 5 is hinged to the second end of the first connecting rod 4.

[0032] Specifically, the support portion 7 is provided with a fourth elastic member 22 and a limit block 21, and the first connecting rod 4 is provided with a limit opening 10. The support portion 7 is rotated to be in the same straight line as the connecting rod assembly, and the fourth elastic member 22 provides an elastic force to limit one end of the limit block 21 to the limit opening 10. The handle portion continues to rotate, and the first connecting rod 4 rotates in a direction close to the fixed portion 1.

[0033] By pressing the unlocking piece of the utility model, the handle portion 8 and the connecting portion 6 can be unlocked, and the handle portion 8 can be pushed toward the front foot group 2, and the handle portion 8 can be rotated in the direction close to the front foot group 2. The support portion 7 and the connecting portion 6 connected to the handle portion 8 can be rotated in the direction close to the rear foot group 3 under the drive of the handle portion 8. When the support portion 7 is rotated to be in the same straight line with the connecting rod assembly, the limit block 21 is opposite to the limit opening 10, and the fourth elastic member 22 provided between the support portion 7 and the limit block 21 provides an elastic force for limiting one end of the limit block 21 at the limit opening 10. The handle portion 8 continues to rotate, and the first connecting rod 4 drives the second connecting rod 5 and the front foot group 2, and the front foot group 2 rotates in the direction close to the rear foot group 3, thereby avoiding the problem of premature folding of the front foot group 2, unbalanced center of gravity, and the inability of the baby to stand up by hand after folding.

[0034] When unfolding, the front leg group 2, the rear leg group 3, the support part 7, the connecting part 6, the handle part 8, the seat plate group 12 and the armrest part 11 are unfolded synchronously. After the front leg group 2, the rear leg group 3 and the connecting part 6 are unfolded to be in the same straight line, the support part 7 is continued to be rotated, and the guide surface 20 communicated with the limit opening 10 pushes the limit block 21 to disengage from the limit opening 10, the support part 7 and the rear leg group 3 are unlocked, and the support part 7, the connecting part 6, the handle part 8, the seat plate group 12 and the armrest part 11 can continue to be unfolded.

[0035] Specifically, the baby stroller further comprises a sliding sleeve and an armrest portion 11 , the sliding sleeve is rotatably connected to the connecting portion 6 , and the armrest portion 11 is rotatably connected to the supporting portion 7 via the sliding sleeve.

[0036] Specifically, the baby stroller further comprises a seat plate assembly 12 , which is rotatably connected to the support portion 7 and the fixing portion 1 .

[0037] The armrest portion 11 of the utility model is connected to the connecting portion 6 and the supporting portion 7. When the connecting portion 6 and the supporting portion 7 rotate in the direction close to the rear leg group 3, the armrest portion 11 is driven to rotate in the direction close to the rear leg group 3, thereby realizing the folding of the armrest portion 11. The seat panel group 12 is connected to the supporting portion 7. When the supporting portion 7 moves in the direction close to the rear leg group 3, it will synchronously drive the seat panel group 12 to move in the direction close to the rear leg group 3, thereby realizing the folding of the seat panel group 12.

[0038] Specifically, the locking member includes a gear 17 and a first elastic member. The first elastic member is disposed between the gear 17 and the connecting portion 6 . In the locked state, the gear 17 is disposed between the connecting portion 6 and the handle portion 8 .

[0039] Specifically, the baby stroller also includes a contact block 15, and the handle portion 8 is provided with a tilting block 16. The contact block 15 is arranged between the handle portion 8 and the gear 17, and is provided with an inclined surface matching the tilting block 16. The contact block 15 abuts against the tilting block 16, and the unlocking piece is connected to the contact block 15. When the unlocking piece is pressed, the contact block 15 rotates relative to the handle portion 8, and the contact block 15 pushes the gear 17 to disengage from the handle portion 8.

[0040] The gear 17 of the utility model is an irregular gear, the handle portion 8 is provided with a first tooth groove, and the connecting portion 6 is provided with a second tooth groove. The depth of the second tooth groove is not less than the thickness of the gear 17, and the depth of the first tooth groove is less than the thickness of the gear 17. Only when the baby stroller is fully unfolded, the irregular gear can align the first tooth groove and the second tooth groove at the same time. At this time, the first elastic member provides elastic force for the gear 17 to be simultaneously located in the first tooth groove and the second tooth groove, and the connecting portion 6 and the handle portion 8 can be locked. The handle portion 8 is provided with a tilting block 16, and the abutting block 15 is provided between the handle portion 8 and the gear 17. The abutting block 15 abuts the tilting block 16. The unlocking member is pressed, and the abutting block 15 can rotate along the tilting block 16. When rotating, the abutting block 15 simultaneously moves in a direction close to the connecting portion 6, and pushes the gear 17 to move in a direction close to the connecting portion 6. After the gear 17 is fully pushed into the second tooth groove, the gear 17 is disengaged from the handle portion 8, and the handle portion 8 and the connecting portion 6 are unlocked.

[0041] Specifically, the unlocking member includes a button 9, a connecting member 14 and a second elastic member. The handle portion 8 is provided with a limiting portion, the limiting portion is provided with a sliding groove 13, the first end of the connecting member 14 is limited in the sliding groove 13, the second end of the connecting member 14 is connected to the abutment block 15, the second elastic member is provided between the button 9 and the limiting portion, and the inclined surface of the button 9 abuts against the connecting member 14.

[0042] Specifically, the baby stroller further comprises a third elastic member, which connects the gear 17 and the connecting portion 6 . In the locked state, the third elastic member constantly provides an elastic force for the connecting member 14 to abut against the button 9 .

[0043] A second elastic member is provided between the button 9 and the limiting portion of the utility model, and a third elastic member is provided between the gear 17 and the connecting portion 6. When the button 9 is pressed, the button 9 compresses the second elastic member, and the inclined surface of the button 9 pushes the first end of the connecting member 14 to slide in the slide groove 13. The second end of the connecting member 14 can drive the abutment block 15 to rotate, and the inclined surface of the abutment block 15 abuts the inclined surface of the gear 17. When the abutment block 15 rotates, the third elastic member is compressed, and the gear 17 moves in a direction close to the connecting portion 6. When the gear 17 completely enters the connecting portion 6, the handle portion 8 can be rotated relative to the connecting portion 6. After rotating to the required angle, the button 9 is released, and the second elastic member pushes the button 9 to move in a direction away from the limiting portion, and the third elastic member pushes the gear 17 to enter the handle portion 8. The abutment block 15 rotates in the opposite direction, and the connecting member 14 is reset to abut the button 9.

[0044] Specifically, the baby stroller of the present invention further comprises an unlocking block 18, a second elastic member is arranged between the unlocking block 18 and the button 9, the unlocking block 18 abuts against the button 9 and the limit portion, the button 9 is provided with a receiving space 19, the unlocking block 18 is pressed, and the unlocking block 18 can slide along the receiving space 19, when the unlocking block 18 is located in the receiving space 19, the button 9 is pressed, and the button 9 can drive the connecting member 14 and the abutting block 15. It should be noted that when the unlocking block 18 of the present invention abuts against the button 9 and the limit portion at the same time, the button 9 is pressed, and the button 9 cannot move, and the lock of the handle 8 and the connecting portion 6 cannot be released. Only when the unlocking block 18 is pushed to the receiving space 19, the unlocking block 18 and the button 9 are no longer abutted, the button 9 can be pressed to move in the direction close to the limit portion, and then the lock of the handle 8 and the connecting portion 6 is released. The present invention is provided with the unlocking block 18, which avoids the problem that people accidentally touch the button 9 and cause the baby stroller to automatically fold, and the safety performance is further improved.

[0045] 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.

[0046] 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 baby stroller, characterized in that: The invention comprises a handle portion (8), an unlocking member and a locking member, wherein the handle portion (8) is connected to a supporting portion (7) and a connecting portion (6), the locking member is arranged between the connecting portion (6) and the handle portion (8) and is used to lock the connecting portion (6) and the handle portion (8), the connecting portion (6) is connected to a fixing portion (1), the fixing portion (1) is connected to a rear foot group (3) and a front foot group (2), a connecting rod assembly is arranged between the front foot group (2) and the rear foot group (3), the supporting portion (7) is rotatably connected to the connecting rod assembly, When the unlocking member is pressed, the handle portion (8) and the connecting portion (6) are unlocked, the handle portion (8) can be rotated in a direction close to the front foot group (2), the connecting portion (6) and the support portion (7) can be rotated in a direction close to the rear foot group (3), and when the support portion (7) is rotated to form a first angle with the connecting rod assembly, the support portion (7) locks the connecting rod assembly, and the support portion (7) continues to rotate, driving the connecting rod assembly to fold, and the front foot group (2) rotates in a direction close to the rear foot group (3).

2. The baby stroller according to claim 1, characterized in that: The fixing portion (1) is fixedly connected to the rear foot group (3) and rotatably connected to the front foot group (2); the connecting rod assembly comprises a first connecting rod (4) and a second connecting rod (5); the first end of the first connecting rod (4) is connected to the rear foot group (3) and the supporting portion (7); the first end of the second connecting rod (5) is connected to the front foot group (2); and the second end of the second connecting rod (5) is hinged to the second end of the first connecting rod (4).

3. The baby stroller according to claim 2, characterized in that: The support portion (7) is provided with a fourth elastic member (22) and a limit block (21), and the first connecting rod (4) is provided with a limit opening (10). When the support portion (7) is rotated to form a first angle with the connecting rod assembly, the fourth elastic member (22) provides an elastic force to limit one end of the limit block (21) to the limit opening (10), and the handle portion (8) continues to rotate, driving the first connecting rod (4) to rotate in a direction close to the fixed portion (1).

4. The baby stroller according to claim 1, characterized in that: It also comprises a sliding sleeve and an armrest portion (11), wherein the sliding sleeve is rotatably connected to the connecting portion (6), and the armrest portion (11) is rotatably connected to the supporting portion (7) via the sliding sleeve.

5. The baby stroller according to claim 1, characterized in that: It also comprises a seat plate group (12), wherein the seat plate group (12) is rotatably connected to the support part (7) and the fixing part (1).

6. The baby stroller according to claim 1, characterized in that: The locking member comprises a gear (17) and a first elastic member, wherein the first elastic member is arranged between the gear (17) and the connecting portion (6); in a locked state, the gear (17) is arranged between the connecting portion (6) and the handle portion (8).

7. The baby stroller according to claim 6, characterized in that: The invention also comprises a contact block (15), the handle portion (8) is provided with an inclined block (16), the contact block (15) is arranged between the handle portion (8) and the gear (17), and is provided with an inclined surface matching the inclined block (16), the contact block (15) contacts the inclined block (16), the unlocking member is connected to the contact block (15), the unlocking member is pressed, the contact block (15) rotates relative to the handle portion (8), and the contact block (15) pushes the gear (17) to separate from the handle portion (8).

8. The baby stroller according to claim 7, characterized in that: The unlocking member comprises a button (9), a connecting member (14) and a second elastic member, the handle portion (8) is provided with a limiting portion, the limiting portion is provided with a sliding groove (13), the first end of the connecting member (14) is limited in the sliding groove (13), the second end of the connecting member (14) is connected to the abutting block (15), the second elastic member is arranged between the button (9) and the limiting portion, and the inclined surface of the button (9) abuts against the connecting member (14).

9. The baby stroller according to claim 8, characterized in that: It also includes a third elastic member, which connects the gear (17) and the connecting portion (6). In a locked state, the third elastic member constantly provides an elastic force for the connecting member (14) to abut against the button (9).

10. The baby stroller according to claim 9, characterized in that: The invention also comprises an unlocking block (18), wherein the second elastic member is arranged between the unlocking block (18) and the button (9), the unlocking block (18) abuts against the button (9) and the limiting portion, the button (9) is provided with a receiving space (19), the unlocking block (18) is pressed, and the unlocking block (18) can slide along the receiving space (19), and when the unlocking block (18) is located in the receiving space (19), the button (9) is pressed, and the button (9) can drive the connecting member (14) and the abutting block (15).

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