CN206384009U - Go-cart for double child - Google Patents

Abstract

The utility model discloses a kind of go-cart for double child, its stroller frame includes being divided into two side stands of the left and right sides, be connected between the side stand of both sides can horizontal folding stull component, side stand per side includes from front to back the front support rod of gradually updip extension, vertically extending back stay, slide up and down to the sliding part on back stay, vertically extending and lower pivot is connected to the push rod on sliding part, and the front stall bar extended along the longitudinal direction respectively and back seat bar, the front portion of front stall bar is pivotally connected on front support rod, back seat bar is pivotally connected on back stay, the front portion of back seat bar is connected with the rear portion phase pivot of front stall bar and the back pivot of back seat bar is connected on push rod.The stroller frame rod member quantity is few, and it is rigid good in the deployed state, and settable one in front and one in back two seats can provide two children and be supported with stable sitting.The opening of the go-cart for double child is also very convenient with folding operation, and folded configuration is compact and small volume.

Description

double stroller

technical field

The utility model relates to a stroller for children, in particular to a stroller for two persons.

Background technique

With more and more two-child families, double strollers are becoming more and more popular. A double child stroller in the prior art includes a stroller frame with an unfolded position and a folded position, a front wheel assembly and a rear wheel assembly arranged at the lower part of the stroller frame, and a rear wheel assembly arranged at the bottom of the stroller A seat pocket assembly capable of supporting a human body on the vehicle frame, and a locking device for locking the stroller frame in an unfolded position. There are many kinds of cart frames of existing double carts, 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. Limited by the structure of the existing cart frame, the current double cart is not compact enough after being folded, takes up a lot of space, and is not easy to carry and transport.

Contents of the invention

The purpose of the utility model is to provide a double stroller for children with simple structure, convenient folding operation and small volume after folding.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a double stroller for children, comprising a stroller frame with unfolded state and folded state, a front wheel assembly arranged at the front bottom of the stroller frame, The rear wheel assembly arranged at the bottom and rear of the cart frame, and the locking mechanism for locking the cart frame in the unfolded state, the cart frame includes two sides respectively arranged on the left and right sides Bracket, a cross brace assembly connected between the side brackets on both sides, the side brackets on each side include: a front strut extending upwards gradually from front to rear, a rear strut extending in the up and down direction, sliding up and down a sliding piece disposed on the rear support rod, a push rod extending in the vertical direction and the lower part of which is pivotally connected to the sliding piece, and the side brackets on each side also include a front seatpost and a front seatpost extending in the front-rear direction respectively. a rear seatpost pivotally connected to the front strut at the front, the rear seatpost pivotally connected to the rear strut with the front portion of the rear seatpost connected to the front seat The rear part of the rod is pivotally connected and the rear part of the rear seat rod is pivotally connected to the push rod, the lower parts of the front struts on both sides are relatively rotatably connected, and the cross brace assembly is foldably arranged between the side supports on both sides,

When the stroller frame is folded, the front seat post and the rear seat post on the side brackets on each side are flipped and folded along the front and rear directions, and the slider slides down along the rear support bar, so that the front The struts, the rear struts, the front seat post, the rear seat post and the push rod are folded together along the front and rear directions to realize the folding of the side brackets, and the folded cross brace assembly makes the side brackets on both sides move along the left and right sides. The direction is closed, and the front wheel assembly and the rear wheel assembly are close to each other along the front and rear directions.

Preferably, when the stroller frame is in an unfolded state, the front seat post and the rear seat post extend along the same length direction.

Preferably, when the stroller frame is folded, on the side brackets on each side, the rear end of the front seat post and the front end of the rear seat post move upward together so that the front seat post and the rear seat post Flip relative to each other along the front-back direction and gradually gather together.

Preferably, a front portion of said front seatpost is pivotally connected to said front strut by a first axis and a rear portion of said front seatpost is pivotally connected to a front portion of said rear seatpost by a second axis, The rear seatpost is pivotally connected to the rear strut by a third axis, and the rear portion of the rear seatpost is pivotally connected to the push rod by a fourth axis, when the stroller frame is deployed , the first axis, the second axis, the third axis, and the fourth axis are distributed at intervals in sequence along the front-rear direction.

Further, the sliding member is a sliding sleeve slidably sleeved on the rear support rod, the sliding sleeve is located below the third shaft on the rear support rod, and the fourth shaft is on the rear support rod. The push rod is located above the sliding sleeve.

Preferably, the lower parts of the front struts on both sides are connected to form a U-shape with the opening facing upwards, the front wheel assembly has one set, and the front wheel assembly is connected to the lower parts of the front struts on both sides. connected; the rear wheel assembly has two groups which are respectively arranged at the bottom of the rear struts on both sides.

Preferably, the stroller frame further includes a front backrest assembly arranged between the rear parts of the front seatposts on both sides, a rear backrest assembly arranged between the rear parts of the rear seatposts on both sides, and the front backrest A first seat is formed between the assembly and the front seatposts on both sides, and a second seat is formed between the rear backrest assembly and the rear seatposts on both sides.

Preferably, the cross bracing assembly includes at least a cross bracing assembly, the cross bracing assembly includes two diagonal bracing rods that intersect each other and are pivotally connected at the intersection, each of the diagonal bracing rods extends in the up and down direction, The upper part of the diagonal brace is rotatably connected to the rear support rod on one side, and the lower part of the diagonal brace is rotatably connected to the sliding member.

Further, the cross brace assembly also includes a rear attachment brace assembly which is arranged between the push rods on both sides and can be expanded and folded along the left and right directions.

Preferably, the front wheel assembly includes a front wheel frame and a front wheel arranged at the bottom of the front wheel frame, and the lower parts of the front struts on both sides are respectively pivotally connected to the front wheel frame, or The lower part of the said front strut is connected on the said front wheel frame rotatably around the same rotation center line.

As another preferred manner, the front wheel assembly includes two groups respectively arranged at the bottoms of the front struts on the left and right sides, and the lower parts of the front struts on both sides are pivotally connected.

Due to the application of the above-mentioned technical solution, the utility model has the following advantages compared with the prior art: the double stroller of the utility model has a small number of rods, a simple structure, good rigidity in the unfolded state, and can be provided with a front One rear two seats can provide two children with stable sitting and standing support, children have a larger sitting and standing space on the stroller frame, and the riding comfort is high. The opening and folding operation of the double stroller is also very convenient, and the folded volume is small, which brings convenience to the user's daily storage and carrying.

Description of drawings

Accompanying drawing 1 is the three-dimensional view under the expanded state of the double stroller of the utility model embodiment 1;

Accompanying drawing 2 is the side view of the expanded state of the double stroller of embodiment 1;

Accompanying drawing 3 is the perspective view of the half-folded state of the double stroller of embodiment 1;

Accompanying drawing 4 is the side view of the half-folded state of the double stroller of embodiment 1;

Accompanying drawing 5 is the three-dimensional view of the folding state of the double stroller of embodiment 1;

Accompanying drawing 6 is the side view of the folded state of the double stroller of embodiment 1;

Accompanying drawing 7 is the three-dimensional view of the expanded state of the double stroller of the utility model embodiment 2;

Accompanying drawing 8 is the side view of the expanded state of the double stroller of embodiment 2;

Accompanying drawing 9 is the perspective view of the half-folded double stroller of embodiment 2;

Accompanying drawing 10 is the side view of the half-folded state of the double stroller of embodiment 2;

Accompanying drawing 11 is the perspective view of the folded state of the double stroller of embodiment 2;

Accompanying drawing 12 is the side view of the folded state of the double stroller of embodiment 2;

Among them: 100, side bracket; 1, front support rod; 2, rear support rod; 3, push rod; 4, front seat post; 5, rear seat post; 6, sliding part (sliding sleeve); 7, cross brace assembly; 71. Diagonal strut; 8. Front backrest assembly; 81. Front backrest bar; 9. Backrest assembly; 91. Backrest bar; 10. Rear support assembly; 20. Front wheel assembly; 20a, front wheel frame; 20b , front wheel; 20c, pin shaft; 30, rear wheel assembly; 11, first shaft; 12, second shaft; 13, third shaft; 14, fourth shaft; 15, rotating shaft;

1a, connecting cross bar; 16, connecting shaft.

detailed description

The technical solution of the present utility model will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

Example 1

Referring to the double stroller shown in Fig. 1 to Fig. 6, it includes a stroller frame in an unfolded state and a folded state, a front wheel assembly 20 located at the bottom front of the stroller frame, and a front wheel assembly 20 located at the bottom of the stroller frame. A rear wheel assembly 30 at the rear, and a locking mechanism for locking the stroller frame in an unfolded state. The stroller frame includes two side brackets 100 respectively arranged on the left and right sides and a cross brace assembly connected between the side brackets 100 on both sides.

1 to 6, the side bracket 100 on each side includes a front strut 1, a rear strut 2, a push rod 3, a front seatpost 4 and a rear seatpost 5, wherein the front strut 1 gradually Extending upwardly, the rear support rod 2 extends obliquely along the up-down direction, and the upper part of the rear support rod 2 is pivotally connected with the upper part of the front support rod 1 through a rotating shaft 15; the push rod 3 extends obliquely along the up-down direction, and its lower part is pivotally connected with The sliding piece 6 is arranged on the rear pole 2 to slide up and down. Here, the sliding piece 6 is a sliding sleeve 6 that is sleeved on the rear pole 2 in a sliding manner.

The front seat post 4 and the rear seat post 5 extend along the front-rear direction respectively, the front part of the front seat post 4 is pivotally connected to the front strut 1 through the first shaft 11, the rear part of the front seat post 4 and the front part of the rear seat post 5 pass through The second shaft 12 is pivotally connected; the middle part of the rear seat post 5 is pivotally connected to the rear strut 2 through the third shaft 13, and the rear part of the rear seat post 5 is pivotally connected to the push rod 3 through the fourth shaft 14 superior. When the stroller frame is unfolded, the front seat post 4 and the rear seat post 5 extend along the same length direction, and the first shaft 11, the second shaft 12, the third shaft 13 and the fourth shaft 14 are arranged at intervals along the front and rear directions, wherein, The above-mentioned first shaft 11 is located below the rotating shaft 15 on the front strut 1 , the sliding sleeve 6 is arranged below the third shaft 13 on the rear strut 2 , and the fourth shaft 14 is located on the sliding sleeve 6 on the push rod 3 above.

Referring to the drawings, the stroller in this embodiment is a three-wheeled stroller, that is, one set of front wheel assemblies 20 is provided, and two sets of rear wheel assemblies 30 are arranged on the left and right sides. Specifically, each front strut 1 is an arc-shaped rod, and the lower parts of the front struts 1 on both sides are connected to form a U-shape with the opening facing upwards. The two groups of rear wheel assemblies 30 are respectively arranged at the lower parts of the rear struts 2 on both sides.

Referring to the drawings, the stroller frame also includes a front backrest assembly 8 disposed between the rear portions of the front seatposts 4 on both sides, and a rear backrest assembly 9 disposed between the rear portions of the rear seatposts 5 on both sides. The front backrest assembly 8 has two front backrest rods 81 which are respectively arranged on the left and right sides and extend in the up and down direction, and a front link group connected between the front backrest rods 81 on both sides. The lower part of the front backrest rods 81 is pivotally connected The rear part of the front seatpost 4 on the same side; the backrest assembly 9 has two rear backrest rods 91 which are respectively arranged on the left and right sides and extend in the up and down direction, and a rear link group connected between the rear backrest rods 91 on both sides , the lower pivot of the backrest rod 91 is connected to the rear portion of the rear seat rod 5 on the same side. When the stroller frame was launched, a first seat that could provide a child's sitting position was formed between the front backrest assembly 8 and the front seatposts 4 on both sides, and a child's sitting position was formed between the backrest assembly 9 and the rear seatposts 5 on both sides. Another second seat in a sitting position for a child. In this way, when the stroller is unfolded, two children can sit and stand on the stroller one after the other for pushing.

Referring to the drawings, in this embodiment, the lower parts of the front struts 1 on both sides are relatively rotatably connected, and the cross brace assembly is foldably arranged between the side brackets 100 on both sides along the left and right directions. specifically:

The front wheel assembly 20 includes a front wheel frame 20a and a front wheel 20b located at the bottom of the front wheel frame 20a. The lower part of the front wheel frame is connected to the front wheel frame 20a around the same rotation center line. Here, the lower parts of the front struts 1 on both sides are pivotally connected to the front wheel frame 20a through the pin shaft 20c. In this way, when the cross brace assembly is folded in the left and right direction, the front struts 1 on both sides can rotate around the pin shaft 20c. Rotate and move closer together.

The cross bracing assembly includes a cross bracing assembly 7, and the cross bracing assembly 7 includes two diagonal bracing rods 71 that intersect each other and are pivotally connected at the intersections, and each diagonal bracing rod 71 generally extends obliquely along the vertical direction. The upper part of the diagonal strut 71 is rotatably connected to the rear strut 2 on one side and its lower part is rotatably connected to the sliding sleeve 6 on the other side. When the sliding sleeve 6 slides up and down along the rear pole 2, it will drive the two diagonal struts 71 of the cross brace assembly 7 to rotate relative to each other so that the cross brace assembly 7 is relatively expanded or folded in the left and right directions.

The cross brace assembly also includes a rear support assembly 10 disposed between the push rods 3 on both sides and capable of unfolding and collapsing along the left and right directions. Here, the rear support assembly 10 is a support assembly commonly used in the field with a self-locking function for unfolding, which can provide stable support for the push rods 3 on both sides in the left and right directions when unfolded. Of course, the rear support assembly 10 can also adopt other structures that can be unfolded and folded in the left and right directions.

In addition, in order to cooperate with the unfolding and folding of the cart frame along the left and right directions, the front link group of the front backrest assembly 8 and the rear link group of the rear backrest assembly 9 are also rod group structures that can be folded in the left and right directions.

Referring to Fig. 1 and Fig. 2, when the double stroller is unfolded for use, the stroller frame is locked in the unfolded state by the locking mechanism, and the rear support assembly 10 and the cross support assembly 7 are supported on both sides along the left and right directions. Between the side brackets 100. On the side bracket 100 on each side, the front seat post 4 and the rear seat post 5 extend along the same length direction, and a stable triangular structure is formed between the front support post 1, the rear support post 2, the front seat post 4, and the rear seat post 5, and the push rod 3. Another stable triangular structure is formed between the rear strut 2 and the rear seat post 5, which makes the stroller frame have good rigidity and stability in this unfolded state.

On the stroller frame, the front seat post 4 and the rear seat post 5 can be set to a larger extension length along the front-to-back direction, thereby forming a larger seating space for two children to sit and stand, so that the double stroller can be used in the stroller. When the front and rear two seats are arranged for children to sit and stand one after the other, each seat can have a larger space, thereby improving the comfort of the children in the car.

When it is necessary to fold the stroller, as shown in Fig. 3 and Fig. 4, after unlocking the rear support assembly 10 and the locking mechanism, the operator holds the push rods 3 on both sides and presses them down, In this way, on the side bracket 100 on each side, the push rod 3 goes down and drives the sliding sleeve 6 to slide down along the rear strut 2, so that the rear seat post 5 rotates around the fourth axis 14 relative to the push rod 3 and relative to the third axis 13. The rear support rod 2 rotates, and the front part of the rear seat post 5 moves upward to drive the rear part of the front seat post 4 to move upward, so that the front seat post 4 rotates around the first axis 11 relative to the front support rod 1, and the front seat post 4 and the rear seat post 5 move forward and backward. Gradually turn over and gather, and drive the front support rod 1, the rear support rod 2 and the push rod 3 to gradually move closer along the front and rear directions.

In the above process, the lower part of the diagonal strut 71 of the cross brace assembly 7 moves down with the sliding sleeve 6 and drives the rear struts 2 on both sides to gather in the left and right directions, and the push rods 3 on both sides gather in the left and right of the rear support assembly 10 During the process, the front struts 1 on both sides rotate around the pin shaft 20c and gradually move closer along the left and right directions, so that the side brackets 100 on both sides gradually draw together along the left and right directions, and the front backrest assembly 8 and the rear backrest assembly 9 are also folded above. During the process, the front wheel assembly 20 and the rear wheel assembly 30 are gradually moved closer together along the front-rear direction. Finally, the folded cart frame is shown in Fig. 5 and Fig. 6. The rods on the cart frame are closely gathered together, presenting a very compact structure, which takes up less space, and the folded cart The frame can stand on the ground by relying on the front wheel assembly 20 and the rear wheel assembly 30, which is convenient for daily storage and carrying.

When it is necessary to open the double stroller, the operator stands at the rear of the stroller, and his feet step on the lower part of the rear support assembly 10 so that the rear support assembly 10 is gradually expanded in the left and right direction, and at the same time push the push rod 3 upwards. Lift and make sliding sleeve 6 slide upwards along rear strut 2, just can make each bar member on the cart frame relatively rotate and open gradually. The opening operation of the double stroller is also very convenient.

Example 2

Referring to the double stroller shown in FIGS. 7 to 12 , its main difference from Embodiment 1 lies in the connection form of the front struts 1 on both sides and the arrangement form of the front wheel assembly 20 .

Referring to FIGS. 7 to 12 , in this embodiment, there are two groups of front wheel assemblies 20 , and the two groups of front wheel assemblies 20 are respectively arranged at the bottoms of the front struts 1 on both sides. The lower part of the front strut 1 on each side has a connecting cross bar 1 a extending inward along the left and right direction, and the connecting cross bars 1 a on both sides are pivotally connected by a connecting shaft 16 .

When the vehicle frame is unfolded, the side brackets 100 on both sides are unfolded respectively, the cross brace assembly 7 of the cross brace assembly and the rear additional brace assembly 10 are stretched between the side brackets 100 on both sides, and the connection between the lower parts of the front struts 1 on both sides The horizontal bar 1a is also extended in the left-right direction.

When the vehicle frame is folded, the side brackets 100 on both sides are folded respectively, and the cross brace assembly 7 and the rear support assembly 10 of the cross brace assembly are also folded along the left and right directions respectively so that the side brackets 100 on both sides are gradually gathered along the left and right directions. , the front struts 1 on both sides rotate around the connecting shaft 16 and gradually gather along the left and right directions. The folded vehicle frame is shown in FIGS. 11 and 12 . The folded vehicle frame has a compact structure and can stand on the ground by relying on two sets of front wheel assemblies 20 and two sets of rear wheel assemblies 30 .

To sum up, the double stroller of the present invention has a small number of rods, a simple structure, good rigidity in the unfolded state, and can be provided with two seats, one in front and one in the back, to provide two children with stable sitting and standing support. Children have a large space for sitting and standing on the stroller frame, and the riding comfort is high. The opening and folding operation of the double stroller is also very convenient, and the folded volume is small, which brings convenience to the user's daily storage and carrying.

The orientation words such as upper, lower, front, rear, left, and right involved in the above are defined when the cart frame is in the unfolded state, and the position of the front wheel assembly 20 is the front, and the position of the rear wheel assembly 30 is the rear. .

The above-mentioned embodiments are only to illustrate the technical conception and characteristics of the present utility model, and its purpose is to allow those familiar with this technology to understand the content of the utility model and implement it accordingly, and not to limit the protection scope of the utility model. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (11)

1. a kind of go-cart for double child, including the stroller frame with deployed condition and folded state, located at the stroller frame The anterior front component in bottom, the wheel assembly located at stroller frame bottom rear portion, for the stroller frame to be locked in into exhibition Locking mechanism under open state, the stroller frame includes being divided into two side stands of the left and right sides, is connected to described in both sides Stull component between side stand, it is characterised in that the side stand per side includes：From front to back gradually updip extension Front support rod, vertically extending back stay, the sliding part slided up and down on the back stay, prolong along the vertical direction Stretch and lower pivot is connected to push rod on the sliding part, the side stand per side also includes along the longitudinal direction extending respectively Front stall bar and back seat bar, the front portion of the front stall bar is pivotally connected on the front support rod, and the back seat bar is pivotally connected in On the back stay, the anterior rear portion phase pivot with the front stall bar of the back seat bar be connected and the back seat bar rear portion pivot Axle is connected on the push rod, and the bottom of front support rod described in both sides is rotatably connected, and the stull component is along right and left To can be arranged on to folding between the side stand of both sides,

When the stroller frame is folded, the front stall bar overturns folding along the longitudinal direction with back seat bar on the side stand per side And the sliding part is along the back stay slide downward so that the front support rod, back stay, front stall bar, back seat bar and push rod edge Fore-and-aft direction mutually draws in together and realizes the folding of the side stand, the stull component folding and cause the described of both sides Side stand is mutually drawn in left-right direction, and the front component is mutually drawn close along the longitudinal direction with wheel assembly.

2. go-cart for double child according to claim 1, it is characterised in that：When the stroller frame is in deployed condition When, the front stall bar, the back seat bar extend along same length direction.

3. go-cart for double child according to claim 1, it is characterised in that：When the stroller frame is folded, the institute per side State on side stand, the leading section of the rearward end of the front stall bar and the back seat bar is common up and causes the front stall bar with after Seat bar is gradually drawn in together with respect to upset along the longitudinal direction.

4. go-cart for double child according to claim 1, it is characterised in that：The front portion of the front stall bar passes through first axle pivot Axle is connected on the front support rod, and the rear portion of the front stall bar is connected with the front portion of the back seat bar by the second axle phase pivot, The back seat bar is pivotally connected on the back stay by the 3rd axle, and the rear portion of the back seat bar is pivotally connected by the 4th axle On the push rod, during stroller frame expansion, the first axle, the second axle, the 3rd axle, the 4th axle are along the longitudinal direction successively It is spaced apart.

5. go-cart for double child according to claim 4, it is characterised in that：The sliding part is described to be slidably set in Sliding sleeve on back stay, described to slide over the lower section for being located at the 3rd axle on the back stay, the 4th axle is pushed away described It is located at the top of the sliding sleeve on bar.

6. go-cart for double child according to claim 1, it is characterised in that：The bottom of the front support rod of both sides is connected And opening up U-shaped is formed, the front component has under one group, and front support rod described in described front component and both sides Portion is connected；The wheel assembly has be divided into back stay bottom described in both sides two groups.

7. go-cart for double child according to claim 1, it is characterised in that：The stroller frame also includes being located at both sides institute State the preceding backrest module between front stall bar rear portion, the rear backrest component between back seat bar rear portion described in both sides, it is described before lean on The first seat is formed between back of the body component and the front stall bar of both sides, between the rear backrest component and the back seat bar of both sides Form second seat.

8. according to any described go-cart for double child of claim 1 to 7, it is characterised in that：The stull component at least includes Cross support component, the cross support component includes two hounds for intersecting and being connected in infall phase pivot, every institute State that hound is vertically extending, the top of the hound is rotationally connected on the back stay of side and the institute It is connected on the sliding part with stating the lower rotational of hound.

9. go-cart for double child according to claim 8, it is characterised in that：The stull component also includes being located at both sides institute State between push rod and the rear attached support component with folding can be deployed in left-right direction.

10. go-cart for double child according to claim 1, it is characterised in that：The front component includes front wheel carrier, is located at The front-wheel of the front wheel carrier bottom, the bottom of the front support rod of both sides is pivotally connected on the front wheel carrier respectively, or two The bottom of the front support rod of side is pivotally connected on the front wheel carrier around same rotary centerline.

11. go-cart for double child according to claim 1, it is characterised in that：The front component includes being divided into left and right Phase pivot is connected between two groups of front support rod bottom described in both sides, the bottom of the front support rod of both sides.