现有技术中，推车的类型和结构多种多样，其通常包括可折叠的推车车架、设于推车车架底部的轮组件、用于将推车车架锁定在展开状态下的锁定机构。目前，推车车架的种类繁多，其杆件数目各不相同，各杆件之间的连接关系、连接位置均不同，使得推车车架的折叠原理与折叠方式也各不相同。如何提高推车车架展开时的稳定性，以及如何简化推车车架的结构及折叠打开操作，以及尽可能地减小车架折叠后的体积，一直是本领域技术人员的追求目标。In the prior art, there are various types and structures of strollers, which generally include a foldable stroller frame, a wheel assembly located at the bottom of the stroller frame, and a lock for locking the stroller frame in an unfolded state. locking mechanism. At present, there are various types of cart frames, the number of rods is different, and the connection relationship and connection position between the rods are all different, so the folding principles and folding methods of the cart frames are also different. How to improve the stability of the cart frame when unfolded, how to simplify the structure of the cart frame and the folding and opening operation, and how to reduce the folded volume of the cart frame have always been the goals pursued by those skilled in the art.

发明内容Contents of the invention

本发明的目的是提供一种新型结构的儿童推车，其杆件数量少，结构简洁，展开时刚性好，收折操作方便。The purpose of the present invention is to provide a new type of structure of the children's stroller, which has a small number of rods, a simple structure, good rigidity when unfolded, and convenient folding operation.

为达到上述目的，本发明采用的技术方案是：一种儿童推车，包括具有展开状态与折叠状态的车架、设于所述车架底前部的前轮组件、设于所述车架底后部的后轮组件、用于将所述车架锁定在展开状态下的锁定机构，所述车架包括分设于左右两侧的两个侧支架、连接在两侧所述侧支架之间的横撑组件，每侧的所述侧支架均包括：In order to achieve the above object, the technical solution adopted by the present invention is: a children's stroller, including a vehicle frame with an unfolded state and a folded state, a front wheel assembly disposed at the bottom front of the vehicle frame, a front wheel assembly disposed at the bottom of the vehicle frame, The rear wheel assembly at the rear of the bottom, and the locking mechanism for locking the vehicle frame in the unfolded state, the vehicle frame includes two side brackets arranged on the left and right sides, connected between the side brackets on both sides The cross brace assembly for each side of said side brackets consists of:

前支杆，其自前向后逐渐上倾延伸；The front strut extends gradually upwards from the front to the rear;

滑动件，所述的滑动件上下滑动地设于所述前支杆上；a sliding piece, the sliding piece is arranged on the front strut so as to slide up and down;

后支杆，其沿上下方向延伸，所述后支杆的上部枢轴连接在所述滑动件上；a rear strut extending in an up-down direction, the upper portion of the rear strut being pivotally connected to the slider;

座杆，所述座杆沿前后方向延伸，所述座杆的前部枢轴连接在所述前支杆上且所述座杆的后部枢轴连接在所述后支杆上；a seat post extending in a fore-aft direction, the front portion of the seat post being pivotally connected to the front strut and the rear portion of the seat post being pivotally connected to the rear strut;

推杆，所述前支杆的上部枢轴连接在所述推杆上；a push rod to which the upper portion of the front strut is pivotally connected;

连杆，所述连杆沿上下方向延伸，所述连杆的下部枢轴连接在所述滑动件上且所述连杆的上部与所述推杆的下部相枢轴连接，a connecting rod, the connecting rod extends in the vertical direction, the lower part of the connecting rod is pivotally connected to the slider and the upper part of the connecting rod is pivotally connected to the lower part of the push rod,

所述车架折叠时，每侧的所述侧支架上，所述推杆朝向所述前支杆的前侧翻转，带动所述连杆上行并使得所述滑动件沿所述前支杆上滑，从而使得所述前支杆、后支杆、座杆、连杆及推杆相对转动而逐渐收拢在一起。When the vehicle frame is folded, on the side brackets on each side, the push rods are flipped towards the front side of the front struts, driving the connecting rods upward and making the sliders move upward along the front struts. sliding, so that the front strut, rear strut, seat post, connecting rod and push rod are relatively rotated and gradually gathered together.

优选地，当所述车架处于展开状态时，每侧的所述侧支架上，所述连杆与所述推杆沿同一长度方向延伸。Preferably, when the vehicle frame is in the unfolded state, on the side brackets on each side, the connecting rod and the push rod extend along the same length direction.

优选地，所述前支杆的上部通过第一轴枢轴连接在所述推杆上，所述连杆的上部与所述推杆的下部之间通过第二轴相枢轴连接，所述第一轴在所述推杆上位于所述第二轴的上方。Preferably, the upper part of the front support rod is pivotally connected to the push rod through a first shaft, and the upper part of the connecting rod is pivotally connected to the lower part of the push rod through a second shaft, and the The first shaft is located above the second shaft on the push rod.

优选地，所述连杆的下部、所述后支杆的上部绕同一转轴转动地连接在所述滑动件上。Preferably, the lower part of the connecting rod and the upper part of the rear support rod are rotatably connected to the sliding member around the same rotation axis.

优选地，所述座杆的前部通过第三轴枢轴连接在所述前支杆上，所述滑动件在所述前支杆上设于所述第三轴的上方。Preferably, the front portion of the seat post is pivotally connected to the front strut by a third shaft, and the slider is arranged on the front strut above the third shaft.

优选地，所述横撑组件可沿左右方向收折地设置在两侧的所述侧支架之间，所述车架折叠时，两侧的所述侧支架分别折叠，所述横撑组件沿左右方向收折而使得两侧的所述侧支架相对收拢。Preferably, the cross brace assembly can be folded in the left and right direction between the side brackets on both sides, when the frame is folded, the side brackets on both sides are folded respectively, and the cross brace assembly along Folding in the left and right directions makes the side supports on both sides relatively folded.

进一步地，所述横撑组件至少包括十字撑组件，所述十字撑组件包括相互交叉且在交叉处相枢轴连接的两根底撑杆，每根所述底撑杆均沿前后方向延伸，所述底撑杆的前部转动地连接在一侧所述前支杆的下部上且其后部转动地连接在另一侧所述座杆的后部上。Further, the cross brace assembly at least includes a cross brace assembly, and the cross brace assembly includes two bottom braces that intersect each other and are pivotally connected at the intersections, each of the bottom braces extends along the front-to-rear direction, so The front portion of the bottom strut is rotatably connected to the lower portion of the front strut on one side and the rear portion is rotatably connected to the rear portion of the seat post on the other side.

更进一步地，所述座杆的后部通过第四轴枢轴连接在所述后支杆上，所述底撑杆的后部通过后转接件转动地连接在所述座杆的后部上，所述后转接件在所述座杆上位于所述第四轴的后方。Furthermore, the rear portion of the seat post is pivotally connected to the rear support rod through a fourth shaft, and the rear portion of the bottom brace is rotatably connected to the rear portion of the seat post through a rear adapter , the rear adapter is located rearward of the fourth axle on the seat post.

作为一种具体的实施方式，所述座杆包括沿前后方向延伸的坐立部、自所述坐立部向下并向后弯折延伸的连接部，所述坐立部的前部枢轴连接在所述前支杆上且其后部枢轴连接在所述后支杆上，所述后转接件连接在所述连接部的后部上。As a specific implementation, the seat post includes a sitting portion extending in the front-rear direction, a connecting portion bent downward and backward from the sitting portion, and the front pivot of the sitting portion It is connected to the front support rod and its rear part is pivotally connected to the rear support rod, and the rear transfer piece is connected to the rear part of the connecting part.

作为一种优选方案，所述横撑组件还包括可沿左右方向收拢的后十字撑组件，所述后十字撑组件包括相互交叉且在交叉处相枢轴连接的两根后撑杆，每根所述后撑杆均沿上下方向延伸，所述后撑杆的上部通过上转接件转动地连接在一侧所述座杆的后部且其下部通过下转接件转动地连接在另一侧所述后支杆的下部上，所述座杆的后部通过第四轴枢轴连接在所述后支杆上，所述上转接件在所述座杆上位于所述第四轴的后方。As a preferred solution, the cross brace assembly further includes a rear cross brace assembly that can be folded in the left and right directions, and the rear cross brace assembly includes two rear braces that intersect each other and are pivotally connected at the intersection, each The rear struts all extend in the up and down direction, the upper part of the rear strut is rotatably connected to the rear part of one side of the seat post through an upper adapter and the lower part is rotatably connected to the other side through a lower adapter. On the lower portion of the rear strut on the side, the rear portion of the seat post is pivotally connected to the rear strut by a fourth axis, the upper adapter is located on the fourth axis on the seat post the rear.

作为另一种优选方案，所述横撑组件还包括设于两侧所述后支杆之间可沿左右方向收拢的后附撑组件。As another preferred solution, the cross brace assembly further includes a rear support assembly arranged between the rear support rods on both sides and can be folded in the left and right directions.

由于上述技术方案的运用，本发明与现有技术相比具有下列优点：本发明的儿童推车，其单侧侧支架上的杆件数量少，车架在展开状态下结构简洁且具有良好的刚性。在需要折叠该推车时，仅需将两侧的推杆向前翻转便可使得车架上的各杆件相对转动而逐渐收拢在一起；在需要打开该推车时，也仅需将推杆相对前支杆翻转打开，便可使得车架上的各杆件相对转动而逐渐展开，操作十分的方便。折叠后的推车结构也十分的紧凑，为用户的日常收纳与携带带来了便利。Due to the application of the above-mentioned technical solutions, the present invention has the following advantages compared with the prior art: the children's stroller of the present invention has a small number of rods on the side bracket on one side, and the frame is simple in structure and has good rigidity. When the cart needs to be folded, it is only necessary to turn the push rods on both sides forward so that the rods on the frame can be relatively rotated and gradually gathered together; The bar is turned over and opened relative to the front support bar, so that each bar on the vehicle frame can be rotated relative to each other and gradually unfolded, and the operation is very convenient. The structure of the folded cart is also very compact, which brings convenience to users for daily storage and carrying.

附图说明Description of drawings

附图1为实施例1的儿童推车展开状态下的立体图一；Accompanying drawing 1 is the three-dimensional view 1 under the expanded state of the children's stroller of embodiment 1;

附图2为实施例1的儿童推车展开状态下的立体图二；Accompanying drawing 2 is the second perspective view of the expanded state of the children's stroller in Embodiment 1;

附图3为实施例1的儿童推车展开状态下的侧视图；Accompanying drawing 3 is the side view of the expanded state of the children's stroller of embodiment 1;

附图4为实施例1的儿童推车折叠过程中的立体图；Accompanying drawing 4 is the three-dimensional view of the folding process of the stroller of embodiment 1;

附图5为附图4的侧视图；Accompanying drawing 5 is the side view of accompanying drawing 4;

附图6为实施例1的儿童推车折叠状态下的立体图；Accompanying drawing 6 is the perspective view of the folded state of the children's stroller of Embodiment 1;

附图7为实施例1的儿童推车折叠状态下的侧视图；Accompanying drawing 7 is the side view of the folded state of the children's stroller of embodiment 1;

附图8为实施例2的儿童推车展开状态下的立体图；Accompanying drawing 8 is the perspective view of the expanded state of the children's stroller of Embodiment 2;

附图9为实施例2的儿童推车折叠状态下的立体图；Accompanying drawing 9 is the perspective view of the folded state of the children's stroller of Embodiment 2;

附图10为实施例2的儿童推车折叠状态下的侧视图；Accompanying drawing 10 is the side view of the folded state of the children's stroller of embodiment 2;

其中：10、侧支架；1、前支杆；2、后支杆；3、座杆；31、坐立部；32、连接部；4、滑动件；5、推杆；6、连杆；7、十字撑组件；71、底撑杆；72、前转接件；73、后转接件；8、后附撑组件；9、后十字撑组件；91、后撑杆；92、上转接件；93、下转接件；30、前轮组件；40、后轮组件；Among them: 10. Side support; 1. Front support rod; 2. Rear support rod; 3. Seat post; 31. Sitting and standing part; 32. Connecting part; 4. Slider; 5. Push rod; 6. Connecting rod; 7. Cross brace assembly; 71. Bottom brace; 72. Front adapter; 73. Rear adapter; 8. Rear support assembly; 9. Rear cross brace assembly; 91. Rear brace; 92. Upturn Connector; 93, lower adapter; 30, front wheel assembly; 40, rear wheel assembly;

11、第一轴；12、第二轴；13、第三轴；14、第四轴；15、第五轴。11. The first axis; 12. The second axis; 13. The third axis; 14. The fourth axis; 15. The fifth axis.

具体实施方式Detailed ways

下面结合附图和具体实施例来对本发明的技术方案作进一步的阐述。The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

实施例1Example 1

参见图1至图7所示的儿童推车，其包括具有展开状态与折叠状态的车架、设于车架底前部的前轮组件30、设于车架底后部的后轮组件40、用于将车架锁定在展开状态下的锁定机构。该车架包括分设于左右两侧的两个侧支架10、连接在两侧侧支架10之间的横撑组件。Referring to the children's stroller shown in Fig. 1 to Fig. 7, it includes a vehicle frame with an unfolded state and a folded state, a front wheel assembly 30 arranged at the bottom front of the frame, and a rear wheel assembly 40 arranged at the bottom rear of the frame , A locking mechanism for locking the vehicle frame in the unfolded state. The vehicle frame includes two side brackets 10 respectively arranged on the left and right sides, and a cross brace assembly connected between the side brackets 10 on both sides.

每侧的侧支架10均包括：前支杆1、后支杆2、座杆3、推杆5及连杆6，其中：The side bracket 10 on each side includes: a front strut 1, a rear strut 2, a seat post 3, a push rod 5 and a connecting rod 6, wherein:

前支杆1自前向后逐渐上倾延伸，前轮组件30设于前支杆1的下部，前支杆1的上部枢轴连接在推杆5上；The front strut 1 extends upwards gradually from front to rear, the front wheel assembly 30 is arranged at the lower part of the front strut 1, and the upper part of the front strut 1 is pivotally connected to the push rod 5;

后支杆2沿上下方向延伸，后轮组件40设于后支杆2的下部，后支杆2的上部枢轴连接有一滑动件4，该滑动件4上下滑动地设于前支杆1上；The rear pole 2 extends along the up and down direction, the rear wheel assembly 40 is arranged on the lower part of the rear pole 2, and the upper part of the rear pole 2 is pivotally connected with a slider 4, and the slider 4 is arranged on the front pole 1 so as to slide up and down. ;

座杆3沿前后方向延伸，座杆3的前部枢轴连接在前支杆1上且其后部枢轴连接在后支杆2上；The seatpost 3 extends along the front-rear direction, the front part of the seatpost 3 is pivotally connected to the front strut 1 and the rear part thereof is pivotally connected to the rear strut 2;

连杆6沿上下方向延伸，其设置在前支杆1的后侧，连杆6的下部枢轴连接在滑动件4上，连杆6的上部与推杆5的下部相枢轴连接。连杆6与推杆5相枢轴连接的位置位于推杆5与前支杆1相枢轴连接的位置的下方。The connecting rod 6 extends vertically and is arranged on the rear side of the front strut 1 . The lower part of the connecting rod 6 is pivotally connected to the slider 4 , and the upper part of the connecting rod 6 is pivotally connected to the lower part of the push rod 5 . The position where the link 6 is pivotally connected to the push rod 5 is located below the position where the push rod 5 is pivotally connected to the front strut 1 .

具体地，参见图3所示，前支杆1的上部通过第一轴11枢轴连接在推杆5上，连杆6的上部与推杆5的下部之间通过第二轴12相枢轴连接，该第一轴11在推杆5上位于第二轴12的上方。座杆3的前部通过第三轴13枢轴连接在前支杆1上，座杆3的后部通过第四轴14枢轴连接在后支杆2上，其中第三轴13在前支杆1上位于滑动件4的下方，滑动件4具体可采用滑动地套设在前支杆1上的滑套。连杆6的下部与后支杆2的上部绕第五轴15共同转动地连接在滑动件4上，第四轴14在后支杆2上位于第五轴15的下方。Specifically, referring to Fig. 3, the upper part of the front strut 1 is pivotally connected to the push rod 5 through the first shaft 11, and the upper part of the connecting rod 6 and the lower part of the push rod 5 are pivoted through the second shaft 12. Connected, the first shaft 11 is located above the second shaft 12 on the push rod 5 . The front portion of the seat post 3 is pivotally connected to the front strut 1 by a third shaft 13, and the rear portion of the seat post 3 is pivotally connected to the rear strut 2 by a fourth shaft 14, wherein the third shaft 13 is pivotally connected to the front strut 1. The rod 1 is located below the sliding member 4, and the sliding member 4 can specifically be a sliding sleeve that is slidably sleeved on the front support rod 1 . The lower part of the connecting rod 6 and the upper part of the rear strut 2 are co-rotatably connected to the slider 4 around the fifth shaft 15 , and the fourth shaft 14 is located below the fifth shaft 15 on the rear strut 2 .

车架锁定于展开状态时，每侧侧支架10上，推杆5与连杆6沿同一长度方向延伸，且其延伸方向与前支杆1的长度延伸方向大致平行，前支杆1、后支杆2及座杆3之间形成稳定的三角形结构，使得每侧的侧支架10结构十分的简洁且具有良好的刚性。When the vehicle frame is locked in the unfolded state, on each side side bracket 10, the push rod 5 and the connecting rod 6 extend along the same length direction, and its extension direction is roughly parallel to the length extension direction of the front strut 1, the front strut 1, the rear strut A stable triangular structure is formed between the strut 2 and the seat post 3 , so that the side bracket 10 on each side has a very simple structure and good rigidity.

参见图1至图7所示，横撑组件包括沿左右方向可收折地设置在两侧侧支架10之间。在本实施例中，该横撑组件至少包括十字撑组件7，其中，十字撑组件7包括相互交叉且在交叉处相枢轴连接的两根底撑杆71，每根底撑杆71均沿前后方向倾斜延伸。底撑杆71的前部通过前转接件72转动地连接在一侧侧支架10中前支杆1的下部上，该底撑杆71的后部通过后转接件73转动地连接在另一侧侧支架10中座杆3的后部上。具体地，前转接件72在前支杆1上位于第三轴13的下方，后转接件73在座杆3上位于第四轴14的后方。Referring to FIGS. 1 to 7 , the cross brace assembly is foldably arranged between the side brackets 10 along the left and right directions. In this embodiment, the cross brace assembly at least includes a cross brace assembly 7, wherein the cross brace assembly 7 includes two bottom braces 71 that cross each other and are pivotally connected at the intersections, and each bottom brace 71 is along the front-to-rear direction Inclined extension. The front portion of the bottom brace 71 is rotatably connected to the lower part of the front brace 1 in one side bracket 10 through the front adapter 72, and the rear portion of the bottom brace 71 is rotatably connected to the other side through the rear adapter 73. On the rear portion of the seat post 3 in the side bracket 10 on one side. Specifically, the front adapter 72 is located below the third axle 13 on the front strut 1 , and the rear adapter 73 is located behind the fourth axle 14 on the seat post 3 .

在本实施例中，每侧的座杆3均包括沿前后方向延伸的坐立部31和自坐立部31的后部向下并向后弯折延伸的连接部32，坐立部31的前后两端分别枢轴连接在前支杆1与后支杆2上，后转接件73则转动地连接在连接部32的后部上。In this embodiment, the seat post 3 on each side includes a sitting portion 31 extending in the front-to-rear direction and a connecting portion 32 bent downward and extending backward from the rear of the sitting portion 31 , the sitting portion 31 The front and rear ends are respectively pivotally connected to the front strut 1 and the rear strut 2 , and the rear adapter 73 is rotatably connected to the rear of the connecting portion 32 .

横撑组件还包括设于两侧后支杆2之间的后附撑组件8。本实施例中，后附撑组件8采用的为常规的具有展开自锁功能的附撑结构，当然也可以采用其他能够沿横向展开或收拢的横撑结构。The cross brace assembly also includes a rear additional brace assembly 8 arranged between the rear struts 2 on both sides. In this embodiment, the rear support assembly 8 adopts a conventional support structure with self-locking function, and of course other cross support structures that can be expanded or folded in the lateral direction may also be used.

该儿童推车上，锁定机构可采用设置在两侧滑套4与前支杆1之间用于将两者锁定的锁定件，当然也可以采用其他的锁定结构来将车架锁定在展开状态下。On the stroller, the locking mechanism can be a locking member arranged between the sliding sleeves 4 on both sides and the front strut 1 for locking the two, and of course other locking structures can also be used to lock the vehicle frame in the unfolded state. Down.

参见图1至图3所示，当儿童推车展开使用时，车架锁定在展开状态下，每侧的侧支架10上前支杆1、后支杆2及座杆3之间形成稳定的三角形结构，推杆5与连杆6共线延伸并位于前支杆1的后侧，十字撑组件7及后附撑组件8分别沿左右方向展开而使得两侧的侧支架10沿横向展开，车架在该展开状态下结构十分的简洁且具有良好的刚性，可提供稳定可靠的坐立支撑。Referring to Fig. 1 to Fig. 3, when the stroller is unfolded and used, the frame is locked in the unfolded state, and a stable space is formed between the front strut 1, the rear strut 2 and the seat post 3 on the side bracket 10 on each side. Triangular structure, the push rod 5 and the connecting rod 6 extend in line and are located at the rear side of the front support rod 1, the cross support assembly 7 and the rear support assembly 8 are respectively deployed along the left and right directions so that the side brackets 10 on both sides are deployed along the transverse direction, In this unfolded state, the vehicle frame has a very simple structure and good rigidity, and can provide stable and reliable support for sitting and standing.

当需要将该儿童推车收折起来时，参见图4、图5所示，在将后附撑组件8解锁后，操作者将两侧的推杆5向前翻转，使得推杆5相对前支杆1转动而逐渐朝向前支杆1的前侧翻转收拢；推杆5向前翻转时其下部带动连杆6的上部上行，从而使得连杆6带动滑套4沿前支杆1向上滑动，继而后支杆2的上部上行而驱使座杆3的后部抬起，从而使得座杆3相对前支杆1与后支杆2转动。与此同时，座杆3的后部抬起使得十字撑组件7中底撑杆71的后部上行，两根底撑杆71相对转动而使得十字撑组件7沿左右方向逐渐收拢，继而带动两侧的侧支架10沿横向逐渐收拢。When it is necessary to fold the stroller, as shown in Fig. 4 and Fig. 5, after unlocking the rear support assembly 8, the operator turns the push rods 5 on both sides forward so that the push rods 5 are opposite to the front The support rod 1 rotates and gradually folds towards the front side of the front support rod 1; when the push rod 5 is turned forward, its lower part drives the upper part of the connecting rod 6 to move upward, so that the connecting rod 6 drives the sliding sleeve 4 to slide upward along the front support rod 1 , and then the upper part of the rear strut 2 goes up to drive the rear portion of the seat post 3 to lift, so that the seat post 3 rotates relative to the front strut 1 and the rear strut 2 . At the same time, the rear portion of the seat post 3 is lifted so that the rear portion of the bottom strut 71 of the cross brace assembly 7 moves upward, and the two bottom braces 71 rotate relative to each other so that the cross brace assembly 7 is gradually gathered in the left and right direction, and then drives the two sides The side brackets 10 are gradually gathered in the lateral direction.

最终，儿童推车折叠后如图6、图7所示，每一侧的侧支架10上前支杆1、后支杆2、座杆3及推杆5沿前后方向紧密地收拢在一起，后轮组件40收拢至前轮组件30的上方，十字撑组件7及后附撑组件8沿左右方向收拢在两侧的侧支架10之间。折叠后的车架整体体积小，便于用户携带与收纳。同时，折叠操作简易，便于用户的日常操作与使用。Finally, after the stroller is folded, as shown in Fig. 6 and Fig. 7, the front strut 1, rear strut 2, seat post 3 and push rod 5 on the side brackets 10 on each side are tightly gathered together along the front and rear directions. The rear wheel assembly 40 is folded to the top of the front wheel assembly 30, and the cross support assembly 7 and the rear support assembly 8 are folded between the side brackets 10 on both sides along the left and right directions. The overall volume of the folded vehicle frame is small, which is convenient for users to carry and store. At the same time, the folding operation is simple and convenient for users' daily operation and use.

当需要打开儿童推车时，用户也仅需拉起两侧的推杆5使其相对前支杆1逐渐打开，便可使得每侧侧支架10上的各杆件相对转动而逐渐展开，同时十字撑组件7与横撑组件8也随着侧支架10的展开而逐渐沿左右方向展开，直至车架完全展开后，锁定机构锁定，推车的展开操作完成，其操作也很方便。When it is necessary to open the stroller, the user only needs to pull up the push rods 5 on both sides to gradually open it relative to the front support rod 1, so that the rods on the side brackets 10 on each side are relatively rotated and gradually unfolded, and at the same time The cross support assembly 7 and the cross support assembly 8 are also gradually expanded along the left and right directions along with the expansion of the side brackets 10. After the vehicle frame is fully expanded, the locking mechanism is locked, and the expansion operation of the cart is completed, and its operation is also very convenient.

实施例2Example 2

参见图8至图10所示的儿童推车，该儿童推车的车架基本与实施例1相同，其主要区别在于横撑组件的设置。Referring to the children's stroller shown in Fig. 8 to Fig. 10, the frame of the children's stroller is basically the same as that of Embodiment 1, the main difference lies in the setting of the cross brace assembly.

该横撑组件包括十字撑组件7和后十字撑组件9，其中，本实施例中，十字撑组件7的设置形式与实施例1中的相同，此处不再赘述。The cross brace assembly includes a cross brace assembly 7 and a rear cross brace assembly 9 , wherein, in this embodiment, the setting form of the cross brace assembly 7 is the same as that in embodiment 1, and will not be repeated here.

参见图8、图9所示，后十字撑组件9包括相互交叉且在交叉处相枢轴连接的两根后撑杆91，每根后撑杆91均沿上下方向延伸。后撑杆91的上部通过上转接件92转动地连接在一侧侧支架10中座杆3的后部，该后撑杆91的下部通过下转接件93转动地连接在另一侧侧支架10中后支杆2的下部。其中，上转接件92在座杆3上位于第四轴14的后方，该上转接件92具体还可设置在后转接件73的后方。Referring to Fig. 8 and Fig. 9, the rear cross support assembly 9 includes two rear struts 91 that intersect each other and are pivotally connected at the intersections, and each rear strut 91 extends along the vertical direction. The upper part of the rear stay 91 is rotatably connected to the rear part of the seatpost 3 in one side bracket 10 through the upper adapter 92, and the lower part of the rear stay 91 is rotatably connected to the other side through the lower adapter 93. The lower part of the rear strut 2 in the bracket 10. Wherein, the upper adapter 92 is located behind the fourth shaft 14 on the seat post 3 , and the upper adapter 92 can also be arranged behind the rear adapter 73 .

该实施例的儿童推车在折叠时，在锁定机构解锁后，操作者将两侧的推杆5向前翻转后，单侧的侧支架10中的各杆件相对转动而逐渐收拢，在该过程中，座杆3的后部上行而使得十字撑组件7及后十字撑组件9分别沿左右方向逐渐收拢，从而使得两侧的侧支架10沿左右方向逐渐靠拢在一起。该折叠操作也很方便，折叠后的儿童推车如图9、图10所示，其结构同样也十分的紧凑，占用空间小。When the baby stroller of this embodiment is folded, after the locking mechanism is unlocked, the operator turns the push rods 5 on both sides forward, and the rods in the side bracket 10 on one side rotate relative to each other and gradually draw in. During the process, the rear part of the seat post 3 moves upwards so that the cross brace assembly 7 and the rear cross brace assembly 9 are gradually retracted along the left and right directions, so that the side brackets 10 on both sides are gradually moved together along the left and right directions. The folding operation is also very convenient. The folded baby stroller is shown in Fig. 9 and Fig. 10 , and its structure is also very compact and takes up little space.

综上，本发明的儿童推车，其单侧侧支架10上的杆件数量少，车架在展开状态下结构简洁且具有良好的刚性。在需要折叠该推车时，仅需将两侧的推杆5向前翻转便可使得车架上的各杆件相对转动而逐渐收拢在一起；在需要打开该推车时，也仅需将推杆5相对前支杆1翻转打开，便可使得车架上的各杆件相对转动而逐渐展开，操作十分的方便。折叠后的推车结构也十分的紧凑，为用户的日常收纳与携带带来了便利。To sum up, in the children's stroller of the present invention, the number of rods on the side bracket 10 on one side is small, and the frame has a simple structure and good rigidity in the unfolded state. When the cart needs to be folded, it is only necessary to turn the push rods 5 on both sides forward so that the rods on the frame can be relatively rotated and gradually gathered together; The push rod 5 is turned over and opened relative to the front strut 1, so that each bar member on the vehicle frame can be relatively rotated and gradually unfolded, and the operation is very convenient. The structure of the folded cart is also very compact, which brings convenience to users for daily storage and carrying.

上述实施例只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围之内。The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and the purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention shall fall within the protection scope of the present invention.