CN202272040U - Infant cart - Google Patents

Abstract

A baby stroller, comprising a first connecting piece, a second connecting piece rotatably connected to the first connecting piece through a first rotating shaft, a left front bracket rotatably connected to the first connecting piece, a The right front bracket, the left push rod frame that can be slidably connected with the left front bracket, the right push rod frame that can be slidably connected with the right front bracket, the push rod cross brace, the left bottom frame that is rotatably connected with the second connecting piece, and the second connecting piece The right bottom frame that is rotatably connected, and the rear support frame that can be folded horizontally. When the push rod cross brace is horizontally folded and folded, the left push rod frame and the right push rod frame can slide forward relative to the left front bracket and the right front bracket respectively, and the upper part of the first rear strut and the upper part of the second rear strut respectively follow the corresponding The left push rod frame and the right push rod frame slide forward, the rear support frame is folded horizontally, the left front support and the right front support are close together, the left bottom frame is close to the right bottom frame, and the left front support and the right front support are respectively opposite to the left bottom frame Close to the right underframe, and the whole vehicle is folded.

Description

a baby stroller

technical field

The utility model relates to a child stroller.

Background technique

A baby stroller in the prior art includes a stroller frame with an unfolded position and a folded position, a front wheel assembly arranged at the bottom front of the stroller frame, and a front wheel assembly arranged at the bottom front of the stroller frame The rear wheel assembly at the rear part of the bottom, the whole vehicle locking mechanism for locking the cart frame in the unfolded position, and the human body accommodation device arranged on the cart frame. There are many types of existing trolley frames, the number of rods of the cart frame is different, and the connection relationship and connection position between the rods are different, so the folding principles and folding methods are different.

Utility model content

The technical problem to be solved by the utility model is to provide a stroller for infants.

In order to solve the above technical problems, a technical solution adopted by the utility model is: a stroller for infants, including a stroller frame with an unfolded position and a folded position, The human body containing device, the front wheel assembly, the rear wheel assembly, and the vehicle locking mechanism for locking the cart frame in the unfolded position, the cart frame includes:

first connector;

the second connecting piece, the first connecting piece is rotationally connected to the second connecting piece through a first rotating shaft, and the first rotating shaft extends along the left-right direction;

a left front bracket, the front part of the left front bracket is rotatably connected to the first connecting piece;

a right front bracket, the front part of the right front bracket is rotatably connected to the first connecting piece;

a left push rod frame, the left push rod frame is slidably connected to the left front bracket;

The right push rod frame, the right push rod frame is slidably connected with the right front bracket, when the cart frame is in the unfolded position, the left push rod frame and the right push rod The frames are far away from each other, when the cart frame is in the folded position, the left push rod frame is close to the right push rod frame;

The folded push rod cross brace can be folded horizontally, and the push rod cross brace is arranged between the left push rod frame and the right push rod frame;

a left underframe, the front part of the left underframe is rotatably connected to the second connecting piece;

The right bottom frame, the front part of the right bottom frame is rotatably connected with the second connecting piece, when the cart frame is in the unfolded position, the left bottom frame and the right bottom frame The bottom frames are far away from each other, and when the cart frame is in the folded position, the left bottom frame and the right bottom frame are close together;

A rear support that can be folded horizontally, the rear support is formed by intersecting the first rear support and the second rear support and pivotally connected at the intersection, the upper part of the first rear support The front part of the right push rod frame is rotatably arranged, the lower part of the first rear brace is rotatably arranged with the left underframe, and the upper part of the second rear brace is connected to the The front part of the left push rod frame is set rotatably, and the lower part of the second rear support rod is set rotatably with the right underframe.

In some embodiments, the first connector is located above the second connector.

In some embodiments, the vehicle locking mechanism includes a first locking mechanism that is set on the push rod cross brace and prohibits its horizontal folding and folding, and is set on the left push rod frame and the A second locking mechanism that prohibits sliding between the left front brackets, and a third locking mechanism that prohibits sliding is arranged between the right push rod frame and the right front bracket.

In some embodiments, the push rod cross brace includes a first push rod strut with one end rotatable with the left push rod frame, and a first push rod strut with one end rotatable with the right push rod frame For the second push rod stay, the other end of the first push rod stay and the other end of the second push rod stay are set in a rotatable manner.

In some further embodiments, one end of the first push rod stay is rotatably connected to the left push rod frame through a third shaft, and one end of the second push rod stay is connected to the The right push rod frame is rotatably connected through the fourth rotating shaft, and the other end of the first push rod stay is rotatably connected with the other end of the second push rod stay through the fifth rotating shaft. connect.

In some embodiments, the front part of the left front bracket is rotatably connected with the front part of the right front bracket and the first connecting member through a second rotating shaft.

In some embodiments, the front part of the left base frame, the front part of the right base frame and the second connecting member are rotatably connected through a sixth rotating shaft.

In some embodiments, the left push rod frame includes a left push rod base frame, a left push rod slidably connected with the left push rod base frame, and the left push rod base frame is connected with the left push rod base frame. A left push rod locking mechanism is arranged between the left push rods, and the right push rod frame includes a right push rod base frame, a right push rod slidably connected with the right push rod base frame, and the right push rod A right push rod locking mechanism is arranged between the push rod base frame and the right push rod, the upper part of the first rear support rod is set in rotation with the right push rod base frame, and the second The upper part of the rear support rod is set in rotation with the base frame of the left push rod, and the push rod cross brace is arranged between the left push rod and the right push rod.

In some embodiments, the upper part of the first rear strut and the front part of the right push rod frame are rotatably arranged through the seventh rotating shaft, and the lower part of the first rear strut The left bottom frame is set to rotate through the tenth shaft, the upper part of the second rear support bar and the front part of the left push rod frame are set to rotate through the eighth shaft, and the second rear support bar The bottom of the bottom frame and the said right base frame are arranged to be rotatable through the ninth rotating shaft.

In some further embodiments, the upper part of the first rear stay is in clearance fit with the seventh shaft, and the lower part of the first rear stay is in clearance fit with the tenth shaft, The upper part of the second rear strut is in clearance fit with the eighth rotating shaft, and the lower part of the second rear strut is in clearance fit with the ninth rotating shaft.

In some embodiments, the front wheel assembly is arranged at the lower part of the second connecting member, the rear wheel assembly includes a left rear wheel assembly and a right rear wheel assembly, and the left rear wheel assembly is arranged At the rear of the left chassis, the right rear wheel assembly is arranged at the rear of the right chassis.

The orientation words such as up, down, front and back mentioned above are defined when the cart frame is in the unfolded position.

The scope of the present utility model is not limited to technical solutions formed by a specific combination of the above technical features, but also covers other technical solutions formed by any combination of the above technical features or equivalent features. For example, a technical solution formed by replacing the above-mentioned features with (but not limited to) technical features with similar functions disclosed in this application.

Due to the application of the above-mentioned technical solutions, the utility model has the following advantages compared with the prior art: when the vehicle locking mechanism is unlocked, the push rod cross brace can be folded horizontally, and the left push rod frame and the right push rod frame can be respectively opposite to the left front bracket Sliding forward with the right front bracket, the upper part of the first rear strut and the upper part of the second rear strut respectively slide forward with the corresponding left push rod frame and right push rod frame respectively, the horizontal folding of the rear bracket, the left front bracket Move closer to the right front bracket, the left underframe and the right underframe move closer together, and the left front bracket and the right front bracket move closer to the left underframe and the right underframe respectively, and the whole vehicle is folded.

Description of drawings

Accompanying drawing 1 is the three-dimensional view of the present utility model (embodiment 1, the cart frame is in the unfolded position);

Accompanying drawing 2 is the three-dimensional view of the present utility model (embodiment 1, the cart frame is in the transition process between unfolded position and folded position);

Accompanying drawing 3 is the three-dimensional view of the utility model (embodiment 1, the cart frame is in the folded position);

Accompanying drawing 4 is the three-dimensional view of the present utility model (embodiment 2, the cart frame is in the unfolded position);

Among them: 1. Cart frame; 2. Front wheel assembly; 3. Left rear wheel assembly; 4. Right rear wheel assembly; 10. Push rod cross brace; 11. First connecting piece; 12. Second connecting piece; 13. Left front bracket; 14. Right front bracket; 15. Left push rod frame; 16. Right push rod frame; 17. Left bottom frame; 18. Right bottom frame; 19. Rear support frame; 21. First push rod brace 22, the second push rod strut; 23, the first rear strut; 24, the second rear strut; 25, the first connecting part; Four connecting parts; 31, the first rotating shaft; 32, the second rotating shaft; 33, the third rotating shaft; 34, the fourth rotating shaft; 35, the fifth rotating shaft; 36, the sixth rotating shaft; 37, the seventh rotating shaft; 38, the eighth 39, the ninth rotating shaft; 40, the tenth rotating shaft; 41, the left push rod base frame; 42, the left push rod; 43, the right push rod base frame; 44, the right push rod.

Detailed ways

Embodiment 1, as shown in accompanying drawings 1 to 3, a baby stroller includes a stroller frame 1 with an unfolded position and a folded position, and a human body for supporting the human body arranged on the stroller frame 1 The storage device, the front wheel assembly 2, the rear wheel assembly, and the vehicle locking mechanism for locking the cart frame 1 at the unfolded position. The human body containment device is not shown in the figure. The human body containment device can be a child's seat, a child's sleeping basket, a child's car seat, etc. The installation method can be fixed or disassembled. The human body receiving device can be arranged between the left front bracket 13 and the right front bracket 14 mentioned below, or can be arranged between the left push rod frame 15 and the right push rod frame 16 .

Cart frame 1 includes:

the first connector 11;

The second connecting member 12 is rotatably connected between the first connecting member 11 and the second connecting member 12 through a first rotating shaft 31, and the first rotating shaft 31 extends along the left-right direction;

Left front bracket 13, the front part of left front bracket 13 is connected with the first connecting member 11 in a rotational manner;

Right front bracket 14, the front part of right front bracket 14 is connected with the first connecting member 11 in a rotational manner;

The left push rod frame 15, the left push rod frame 15 and the left front bracket 13 can be slidably connected along the length direction of both;

Right push rod frame 16, right push rod frame 16 and right front support 14 can slide and be connected along the length direction of both, when cart vehicle frame 1 is under unfolded position, left push rod frame 15 and right push rod frame 16 are connected. Away, the left front bracket 13 is also far away from the right front bracket 14, when the cart frame 1 is in the folded position, the left push rod frame 15 is close to the right push rod frame 16, and the left front bracket 13 is also close to the right front bracket 14;

The push rod cross brace 10 that can be folded horizontally is arranged between the left push rod frame 15 and the right push rod frame 16. The push rod cross brace 10 can be as in this embodiment, including the first push rod Rod strut 21, the second push rod strut 22, when the cart vehicle frame 1 is in the unfolded position, the push rod cross brace 10 becomes a rigid part, so that the left push rod frame 15 and the right push rod frame 16 can be connected to each other. In the present embodiment, one end of the first push rod stay 21 is rotationally connected with the left push rod frame 15 through the third rotating shaft 33, and one end of the second push rod stay 22 is connected with the right push rod frame 16 is rotatably connected by the fourth rotating shaft 34, the structure is simple, and the rigidity is better, and one end of the first push rod strut 21 and the left push rod frame 15 can be rotated and arranged through a ball joint and a rotating joint, and the same Yes, one end of the second push rod strut 22 and the right push rod frame 16 may be ball joints or rotary joints to rotate. The push rod cross brace 10 can also be in another structure, such as sliding parts respectively arranged on the left push rod frame 15 and the right push rod frame 16, the push rod cross brace includes two crosses and is pivotally connected at the intersection The front ends of the two rods are respectively connected to the two slides in rotation, and the rear ends of the two rods are respectively connected to the corresponding two left push rod frames 15 and the right push rod frames 16 in a rotational manner;

The left underframe 17, the front part of the left underframe 17 is rotatably connected with the second connecting member 12;

The right underframe 18, the front part of the right underframe 18 is connected with the second connecting member 12 in rotation, when the trolley frame 1 is in the unfolded position, the left underframe 17 is far away from the right underframe 18, when the trolley When the frame 1 is in the folded position, the left bottom frame 17 and the right bottom frame 18 are close together;

The rear brace 19 that can be folded horizontally, the rear brace 19 is formed by intersecting the first rear brace 23 and the second rear brace 24 and being pivotally connected at the intersection, the upper part of the first rear brace 23 and the second rear brace 24 The front portion of the right push rod frame 16 is rotatably arranged, the bottom left underframe 17 of the first rear strut 23 is rotatably set, and the top of the second rear strut 24 is rotatably arranged with the front portion of the left push rod frame 15. Setting, the bottom of the second rear strut 24 is set to rotate with the right underframe 18, specifically, as shown in Figure 1, in this embodiment: the front part of the left push rod frame 15 is fixed with the second Connecting portion 26, the front portion of right push rod frame 16 is fixed with the first connecting portion 25, is fixed with the 4th connecting portion 28 on the left underframe 17, is fixed with the 3rd connecting portion 27 on the right underframe 18, the first rear support The upper part of the rod 23 and the first connecting part 25 of the front part of the right push rod frame 16 are arranged to be rotated through the seventh rotating shaft 37, and the fourth connecting part 28 of the lower left bottom frame 17 of the first rear strut 23 is passed through the tenth connecting part 28. The rotating shaft 40 is set to rotate, the top of the second rear strut 24 and the second connecting portion 26 of the front portion of the left push rod frame 15 are set to rotate through the eighth rotating shaft 38, the bottom of the second rear strut 24 is connected to the right The third connecting portion 27 of the base frame 18 is rotatably arranged via a ninth rotating shaft 39 . The upper part of the first rear strut 23 is in clearance fit with the seventh rotating shaft 37 , the lower part of the first rear strut 23 is in clearance fit with the tenth rotating shaft 40 , and the upper part of the second rear strut 24 is in clearance fit with the eighth rotating shaft 38 , the lower part of the second rear strut 24 is in clearance fit with the ninth rotating shaft 39 . Better rigidity. Also can be another kind of structure, not shown in the figure, as the top of the first rear strut 23 and the front portion of the right push rod frame 16 can be set by ball joint or two-way rotation joint, the first rear strut 23 The bottom left bottom frame 17 of the lower part can be set to rotate through a ball joint or a two-way rotation joint, and the top of the second rear strut 24 and the front part of the left push rod frame 15 can be set to rotate through a ball joint or a two-way rotation joint , the lower part of the second rear strut 24 and the right underframe 18 can be rotatably arranged through a ball joint or a two-way rotation joint.

The first connecting piece 11 is located above the second connecting piece 12 .

The vehicle locking mechanism includes a first locking mechanism that is arranged on the push rod cross brace 10 and prohibits it from being folded horizontally, a second locking mechanism that prohibits sliding between the left push rod frame 15 and the left front bracket 13, and a second locking mechanism that is disposed on the right The third locking mechanism that prohibits sliding between the push rod frame 16 and the right front bracket 14. It can also be arranged on the rear support frame 19, thereby prohibiting sliding between the left push rod frame 15 and the left front frame 13 and between the right push rod frame 16 and the right front frame 14.

With regard to the push rod 10 , the other end portion of the first push rod stay 21 is arranged to rotate relative to the other end portion of the second push rod stay 22 . This place is set to be rotated, which can be an indirect rotational connection through an intermediate connecting piece, or it can be like in this embodiment, the other end of the first push rod stay 21 is directly connected to the other end of the second push rod stay 22. It is rotationally connected via a fifth shaft 35 . The first locking mechanism may be provided at the rotational connection between the other end of the first push rod strut 21 and the other end of the second push rod strut 22 , so as to lock the push rod cross brace 10 into a rigid body. The third rotating shaft 33 , the fourth rotating shaft 34 and the fifth rotating shaft 35 are parallel to each other. As for the first locking mechanism, it is not the key point of the utility model, as long as it is a structure capable of locking the two rotating parts, it can be used here. The second locking mechanism and the third locking mechanism are not the focus of the present invention, as long as the structure can lock between two sliding parts, it can be used here.

The front portion of the left front bracket 13 and the front portion of the right front bracket 14 are rotatably connected with the first connector 11 by a shaft that is the second rotating shaft 32, and the front portion of the left front bracket 13 and the front portion of the right front bracket 14 are respectively connected with the first connecting member 11. It is also possible for the member 11 to be pivotally connected. The second rotating shaft 32 , the third rotating shaft 33 , the fourth rotating shaft 34 and the fifth rotating shaft 35 are parallel to each other.

The front part of the left bottom frame 17 , the front part of the right bottom frame 18 and the second connecting member 12 are rotatably connected through the sixth rotating shaft 36 . Similarly, the front part of the left bottom frame 17 and the front part of the right bottom frame 18 are pivotally connected to the second connecting member 12 respectively, that is, two rotating shafts are also possible.

As shown in accompanying drawing 1, front wheel assembly 2 is arranged on the bottom of second connector 12, and rear wheel assembly comprises left rear wheel assembly 3, right rear wheel assembly 4, and left rear wheel assembly 3 is arranged on the back of left chassis 17 The right rear wheel assembly 4 is arranged on the rear portion of the right underframe 18 .

Embodiment 2, as shown in Figure 4, the difference between Embodiment 2 and Embodiment 1 is that: the left push rod frame 15 includes a left push rod base frame 41, a left push rod slidably connected with the left push rod base frame 41 42, a left push rod locking mechanism is arranged between the left push rod base frame 41 and the left push rod 42, and the right push rod frame 16 includes a right push rod base frame 43, a right push rod base frame 43 slidably connected to the right push rod Rod 44, a right push rod locking mechanism is arranged between the right push rod base frame 43 and the right push rod 44, and the upper part of the first rear stay 23 is arranged to rotate with the right push rod base frame 43, and the second rear stay 24 The upper part of the left push rod base frame 41 is rotatably arranged, and the push rod cross brace 10 is arranged between the left push rod 42 and the right push rod 44 . Like the second locking mechanism and the third locking mechanism, the specific structure of the left push rod locking mechanism and the right push rod locking mechanism is not the key point of the utility model, as long as it can lock the two sliding parts can be used. After the stroller frame 1 is folded, the lengths of the left push rod frame 15 and the right push rod frame 16 can be shortened, thereby further reducing the folded volume.

As mentioned above, we have fully described according to the purpose of the utility model, but the utility model is not limited to the above-mentioned embodiment and implementation method. Practitioners in the relevant technical fields can make different changes and implementations within the scope permitted by the technical ideas of the present utility model.

Claims (11)

1. child stroller; Comprise go-cart vehicle frame (1) with expanded position and folding position, be arranged at being used on the described go-cart vehicle frame (1) support human body human body accommodation apparatus, front component (2), wheel assembly, be used for described go-cart vehicle frame (1) is locked in the car load lockout mechanism under the expanded position, it is characterized in that: described go-cart vehicle frame (1) comprising:

First attaching parts (11);

Be connected rotatedly through first rotating shaft (31) between second attaching parts (12), described first attaching parts (11) and described second attaching parts (12), described first rotating shaft (31) is extended along left and right directions;

Left front support (13), the front portion of described left front support (13) is connected with described first attaching parts (11) rotatedly;

Right front support (14), the front portion of described right front support (14) is connected with described first attaching parts (11) rotatedly;

Left side push-rod frame (15), described left push-rod frame (15) can be slidingly connected with described left front support (13);

Right push-rod frame (16); Described right push-rod frame (16) can be slidingly connected with described right front support (14); When described go-cart vehicle frame (1) is under the expanded position; Described left push-rod frame (15) and described right push-rod frame (16) away from, when described go-cart vehicle frame (1) is under the folding position, described left push-rod frame (15) and described right push-rod frame (16) near;

Can laterally draw folding push rod stull (10) in, described push rod stull (10) is arranged between described left push-rod frame (15) and the described right push-rod frame (16);

Left side underframe (17), the front portion of described left underframe (17) is connected with described second attaching parts (12) rotatedly;

Right underframe (18); The front portion of described right underframe (18) is connected with described second attaching parts (12) rotatedly; When described go-cart vehicle frame (1) is under the expanded position; Described left underframe (17) and described right underframe (18) away from, when described go-cart vehicle frame (1) is under the folding position, described left underframe (17) is drawn close with described right underframe (18) mutually;

Back pole-bracket that can be lorizontal folding (19); Described back pole-bracket (19) is to be intersected and constituted at the infall pivotal joint by first rear pole (23) and second rear pole (24); The front portion of the top of described first rear pole (23) and described right push-rod frame (16) is provided with rotatedly; The described left underframe in the bottom of described first rear pole (23) (17) is provided with rotatedly; The front portion of the top of described second rear pole (24) and described left push-rod frame (15) is provided with rotatedly, and the bottom of described second rear pole (24) and described right underframe (18) are provided with rotatedly.

2. a kind of child stroller according to claim 1 is characterized in that: described first attaching parts (11) is positioned at the top of described second attaching parts (12).

3. a kind of child stroller according to claim 1 is characterized in that: described car load lockout mechanism comprises being arranged at forbids that it laterally draws the first folding lockout mechanism in, is arranged at second lockout mechanism that forbidding between described left push-rod frame (15) and the described left front support (13) slide, is arranged at the 3rd lockout mechanism that forbidding between described right push-rod frame (16) and the described right front support (14) slide in the described push rod stull (10).

4. a kind of child stroller according to claim 1; It is characterized in that: described push rod stull (10) comprises an end and described left push-rod frame (15) the rotate second push rod strut (22) of setting of the first push rod strut (21), an end and the described right push-rod frame (16) that are provided with that rotates, and the other end of the other end of the described first push rod strut (21) and the described second push rod strut (22) is provided with rotatedly.

5. a kind of child stroller according to claim 4; It is characterized in that: an end of the described first push rod strut (21) is connected through the 3rd rotating shaft (33) with described left push-rod frame (15) rotatedly; One end of the described second push rod strut (22) is connected through the 4th rotating shaft (34) with described right push-rod frame (16) rotatedly, and the other end of the described first push rod strut (21) is connected through the 5th rotating shaft (35) with the other end of the described second push rod strut (22) rotatedly.

6. a kind of child stroller according to claim 1 is characterized in that: the front portion of described left front support (13) is connected through second rotating shaft (32) with described first attaching parts (11) with the front portion of described right front support (14) rotatedly.

7. a kind of child stroller according to claim 1 is characterized in that: the front portion of the front portion of described left underframe (17), described right underframe (18) is connected through the 6th rotating shaft (36) with described second attaching parts (12) rotatedly.

8. a kind of child stroller according to claim 1; It is characterized in that: the left push rod (42) that described left push-rod frame (15) comprises left push rod pedestal (41), is slidingly connected with described left push rod pedestal (41); Be provided with left push rod lockout mechanism between described left push rod pedestal (41) and the described left push rod (42); The right push rod (44) that described right push-rod frame (16) comprises right push rod pedestal (43), is slidingly connected with described right push rod pedestal (43); Be provided with right push rod lockout mechanism between described right push rod pedestal (43) and the described right push rod (44); The top of described first rear pole (23) and described right push rod pedestal (43) are provided with rotatedly; The top of described second rear pole (24) and described left push rod pedestal (41) are provided with rotatedly, and described push rod stull (10) is arranged between described left push rod (42) and the described right push rod (44).

9. a kind of child stroller according to claim 1; It is characterized in that: the front portion of the top of described first rear pole (23) and described right push-rod frame (16) is provided with through the 7th rotating shaft (37) rotatedly; The described left underframe in the bottom of described first rear pole (23) (17) is provided with through the tenth rotating shaft (40) rotatedly; The front portion of the top of described second rear pole (24) and described left push-rod frame (15) is provided with through the 8th rotating shaft (38) rotatedly, and the bottom of described second rear pole (24) and described right underframe (18) are provided with through the 9th rotating shaft (39) rotatedly.

10. a kind of child stroller according to claim 9; It is characterized in that: the top of described first rear pole (23) and described the 7th rotating shaft (37) be free-running fit mutually; The bottom of described first rear pole (23) and described the tenth rotating shaft (40) be free-running fit mutually; The top of described second rear pole (24) and described the 8th rotating shaft (38) be free-running fit mutually, and the bottom of described second rear pole (24) and described the 9th rotating shaft (39) be free-running fit mutually.

11. a kind of child stroller according to claim 1; It is characterized in that: described front component (2) is arranged at the bottom of described second attaching parts (12); Described wheel assembly comprises left rear wheel assembly (3), off hind wheel assembly (4); Described left rear wheel assembly (3) is arranged at the rear portion of described left underframe (17), and described off hind wheel assembly (4) is arranged at the rear portion of described right underframe (18).

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