CN206317872U - Children trolley - Google Patents

Abstract

The utility model discloses a kind of children trolley, its stroller frame only includes fore-stock, after-poppet, seat frame, push rod, side handrail and strut, and stroller frame is simple for structure in deployed condition and with good rigidity, it is possible to provide children are supported with stable sitting；When needing to fold up children trolley, it is only necessary to which each rod member that just may be such that in stroller frame that push rod is turned over after locking mechanism unblock is relatively rotated and gradually drawn in together.Stroller frame compact conformation after folding is smooth and can stand on ground certainly, is that the routine use of user brings great convenience.

Description

stroller

technical field

The utility model relates to a stroller for children.

Background technique

In the prior art, children's strollers generally include a stroller frame with an unfolded state and a folded state, a wheel assembly disposed at the bottom of the stroller frame, and a locking mechanism for locking the stroller frame in the unfolded state. At present, there are many types of stroller frames for children's strollers, the number of rods of the stroller frames is different, and the connection relationship and connection position between the rods are different, so the folding principles and folding methods are also different. How to simplify the structure of the stroller frame and simplify the folding method of the stroller frame on the basis of ensuring the stable carrying of children is always the goal pursued by those skilled in the art.

Contents of the invention

The purpose of the utility model is to provide a children's stroller with simple structure and convenient folding operation.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a children's stroller, including a stroller frame with an unfolded state and a folded state, a wheel assembly arranged at the bottom of the stroller frame, and used to move the stroller The locking mechanism for locking the cart frame in the unfolded state, the cart frame includes:

A front bracket, the front bracket gradually extends from front to back, and the front bracket is provided with a first slider that slides along the direction of its length extension;

a rear support, the rear support gradually extends upward from the rear to the front, the rear support is intersected with the front support, and the rear support is pivotally connected to the first sliding member;

a seat frame, the seat frame extending along the front-rear direction, the front portion of the seat frame pivotally connected to the rear frame;

push rod, three parts of the lower part of the push rod, the rear part of the seat frame and the upper part of the front frame, two of which are pivotally connected and the third part is pivotally connected between the aforementioned two parts One of the components, or the three components are pivotally connected to each other;

a side armrest, the side armrest extends along the front-rear direction and is located above the seat frame, the front part of the side armrest is pivotally connected to the upper part of the rear bracket, and the rear part of the side armrest is pivotally connected with a second sliding member, the second sliding member is slidably provided on the push rod along the length extension direction of the push rod;

a strut, the strut extends in the up and down direction, the upper part of the strut is pivotally connected to the push rod and the lower part of the strut is pivotally connected to the rear bracket,

When the vehicle frame is folded, the push rod turns backwards to drive the front support, rear support, seat frame, side armrests and support rods to rotate relative to each other and gather together.

Preferably, the lower portion of the push rod, the upper portion of the front frame and the rear portion of the seat frame are pivotally connected to each other by a first shaft.

Preferably, the front portion of the seat frame is pivotally connected to the rear frame by a second shaft, the second shaft being located above the first slider on the rear frame.

Preferably, the upper part of the strut is pivotally connected to the push rod through a third shaft, and the lower part of the strut is pivotally connected to the rear bracket through a fourth shaft, and the third shaft is at the The push rod is located below the second sliding member, and the fourth shaft is located below the first sliding member on the rear bracket.

Preferably, when the stroller frame is in an unfolded state, the front bracket and the push rod extend along the same length direction.

Further, the front bracket includes front struts respectively located on the left and right sides, the rear bracket includes rear struts respectively located on the left and right sides, on each side of the left and right sides of the cart frame, the The first sliding member is provided on the front support rod, the front support rod and the rear support rod cross each other and the rear support rod is pivotally connected with the first sliding member.

Furthermore, the push rod is a U-shaped rod with an opening facing downwards, which has push rod side rods respectively located on the left and right sides and extending in the up and down direction, and the push rod side rods on each side are provided with the The second slider; the seat frame includes two seatposts located on the left and right sides, respectively, on each side of the left and right sides of the stroller frame, the rear part of the seatpost, the upper part of the front strut and the lower part of the push rod side rod are relatively rotatably connected together.

As a specific implementation manner, on each side of the left and right sides of the cart frame, a set of the above-mentioned support rods is provided between the push rod side rod and the rear support rod.

Further, the rear bracket further includes a front armrest bar fixedly connected between the upper parts of the front support rods on both sides, and the front part of the side armrest is pivotally connected to the front armrest bar.

Further, the front bracket also includes a front underframe, the lower parts of the front struts on both sides are respectively fixedly connected to the front underframe, and the wheel assembly includes bottoms on the left and right sides of the front underframe. Two groups of front wheel assemblies, two groups of rear wheel assemblies arranged at the bottoms of the rear poles on both sides, when the cart frame is in the folded state, the upper part of the push rod and the two groups of front wheel assemblies , The rear wheel assembly is jointly supported on the ground so that the cart frame can stand on the ground.

Due to the application of the above-mentioned technical solution, the utility model has the following advantages compared with the prior art: the stroller frame of the utility model for children only includes a front bracket, a rear bracket, a seat frame, a push rod, a side armrest and The strut, the stroller frame has a simple structure and good rigidity when it is unfolded, and can provide children with stable support for sitting and standing; After turning over, the rods on the cart frame can be relatively rotated and gradually gathered together. The folded trolley frame has a compact and flat structure and can stand on the ground, which brings great convenience to the daily use of users.

Description of drawings

Accompanying drawing 1 is the three-dimensional view under the expanded state of children's stroller of the present utility model;

Accompanying drawing 2 is the side view of the expanded state of the children's stroller of the present utility model;

Accompanying drawing 3 is the perspective view of the half-folded state of the children's stroller of the present invention;

Accompanying drawing 4 is the side view of the half-folded state of the children's stroller of the present invention;

Accompanying drawing 5 is the three-dimensional view of the folding state of the children's stroller of the present invention;

Accompanying drawing 6 is the side view of the folded state of the children's stroller of the present utility model;

Among them: 1. Front support; 11. Front support rod; 12. Front chassis; 2. Rear support; 21. Rear support rod; 22. Rear cross bar; 23. Front armrest rod; 3. Seat frame; Rod; 32, seat post cross bar; 4, push rod; 41, push rod side bar; 5, side armrest; 6, strut; 7, first sliding part; 8, second sliding part; ; 20, the rear wheel assembly; 101, the first shaft; 102, the second shaft; 103, the third shaft; 104, the fourth 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.

Referring to the children's stroller shown in Fig. 1 to Fig. 6, it includes a stroller frame with an unfolded state and a folded state, a wheel assembly arranged at the bottom of the stroller frame, and a wheel assembly for locking the stroller frame in the unfolded state down locking mechanism. Wherein, the wheel assembly includes two groups of front wheel assemblies 10 arranged on the left and right sides of the bottom front of the cart frame and two groups of rear wheel assemblies 20 arranged on the left and right sides of the bottom rear of the cart frame.

The stroller frame includes a front bracket 1 extending upwards gradually from front to rear, a rear bracket 2 extending upwards gradually from rear to front, a seat frame 3 extending along the front-to-back direction, a push rod 4 extending obliquely along the up-down direction, The side armrest 5 extending along the front-rear direction and located above the seat frame 3, and the strut 6 arranged between the push rod 4 and the rear bracket 2, wherein the front bracket 1 and the rear bracket 2 are arranged to cross each other, and the rear bracket 2 A first sliding member 7 is pivotally connected, and the first sliding member 7 is slidably arranged on the front support 1 along the length extension direction of the front support 1 .

The front portion of the seat frame 3 is pivotally connected to the rear bracket 2, and the rear portion of the seat frame 3, the bottom of the push rod 4 and the top of the front bracket 1 are relatively rotatably connected between these three parts, that is, the above three Two of the parts are pivotally connected and a third part is pivotally connected to one of the two parts, or the three parts are pivotally connected to each other. What is adopted in this embodiment is: the rear part of the seat frame 3, the lower part of the push rod 4 and the upper part of the front bracket 1 are pivotally connected to each other through the same rotating shaft.

The front part of the side armrest 5 is pivotally connected to the upper part of the rear bracket 2, and the rear part is pivotally connected with a second sliding part 8, which is slidably arranged on the push rod 4 along the length extension direction of the push rod 4. 4 on. The strut 6 extends up and down, the upper part of the strut 6 is pivotally connected to the push rod 4 , and the lower part of the strut 6 is pivotally connected to the rear bracket 2 .

In this embodiment, the specific settings of each rod/component on the cart frame are as follows:

Referring to Fig. 1 to Fig. 6, the front bracket 1 includes front struts 11 respectively located on the left and right sides, a front underframe 12 fixed on the lower parts of the front struts 11 on both sides, and two sets of front wheel assemblies 10 are arranged on the front bottoms respectively. The bottom left and right sides of frame 12. The first sliding member 7 adopts the first sliding sleeve 7 that is slidably sleeved on the front strut 11; the rear bracket 2 includes a rear strut 21 respectively arranged on the left and right sides, and a rear strut 21 fixedly connected to the two sides. The rear cross bar 22 between the lower parts and the two groups of rear wheel assemblies 20 are respectively arranged at the bottoms of the rear struts 21 on both sides.

The seat frame 3 includes a seatpost 31 located on the left and right sides and extending along the front and rear directions, and a seatpost crossbar 32 fixed in front of the seatposts 31 on both sides; The push rod side rods 41 respectively located on the left and right sides and extending in the up and down direction are provided with a second sliding part 8 on each side of the push rod side rod 41, and the second sliding part 8 is also used for sliding. The second sliding sleeve 8 sleeved on the side bar 41 of the push rod; the side armrest 5 has two sets on the left and right sides respectively, and the rear part is pivotally connected to the above-mentioned second sliding sleeve 8 . The struts 6 also have two located on the left and right sides, which are respectively arranged between the rear strut 21 and the push rod side bar 41 .

Referring to the accompanying drawings, in this embodiment, on each side of the left and right sides of the cart frame, the front strut 11 and the rear strut 21 cross each other and are connected by the first sliding sleeve 7 at the intersection; The rear portion of the bar 31, the lower portion of the pushrod side bar 41 and the upper portion of the front strut 11 are pivotally connected together by a first shaft 101, and the front portion of the seat post 31 is pivotally connected to the rear strut 21 by a second shaft 102. Above, the second shaft 102 is located above the first sliding sleeve 7 on the rear strut 21; the upper part of the strut 6 is pivotally connected to the push rod side rod 41 through the third shaft 103, and the lower part of the strut 6 is connected to the push rod side rod 41 through the third shaft 6. The four shafts 104 are pivotally connected to the rear support rod 21, the fourth shaft 104 is located below the first sliding sleeve 7 on the rear support rod 21, and the third shaft 103 is located between the first shaft 101 and the second shaft 101 on the push rod side bar 41. Between the two sliding sleeves 8.

Referring to Figures 1 to 6, the rear bracket 2 also includes a front armrest bar 23 fixedly connected between the upper parts of the front struts 11 on both sides. Form the front protection for children when sitting or standing. The front portion of the side armrest 5 is pivotally connected to the front armrest bar 23 to realize the pivotal connection with the rear bracket 2 .

In this way, when the stroller frame is locked in the unfolded state, as shown in Figure 1 and Figure 2, the front bracket 1 and the rear bracket 2 are spread out across the front and rear directions and are stably supported on the ground, and the strut 6 stands on the push rod 4 Between the rear support 2, on each side of the left and right sides of the cart frame, the push rod side bar 41 and the front support bar 11 extend approximately along the same length direction, the seat frame 3, the side armrest 5, the rear support 2 and the push rod The accommodating space for children when sitting or standing is formed between the rods 4 . The overall structure of the unfolded baby stroller is simple and has good rigidity, which can provide children with stable sitting and standing support.

When the cart frame needs to be folded up, as shown in Fig. 3 and Fig. 4, after the lock mechanism is unlocked, the push rod 4 is turned backwards, and the lower part of the push rod 4 is lifted up, which will drive the front support rod 11 The upper part of the seat post 31 and the rear part of the seat post 31 move upwards at the same time, so that the front bracket 1 and the seat frame 3 are turned over and folded relative to the rear bracket 2, and the push rod 4 also drives the rear part of the side armrest 5 to go down, so that the side armrest 5 is turned backward. And gradually draw in with putter 4. Finally, the front bracket 1, the rear bracket 2, the seat frame 3, the push rod 4, the side armrest 5 and the strut 6 are folded together to complete the folding of the cart frame. and the rear wheel assembly 20 are jointly supported on the ground so that the folded stroller frame can stand on the ground. The folded cart frame has a compact and flat structure and takes up less space, which provides convenience for users' daily storage and carrying.

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 (10)

1. a kind of children trolley, including the stroller frame with deployed condition and folded state, located at the stroller frame bottom Wheel assembly, for the stroller frame to be locked into locking mechanism in the deployed state, it is characterised in that the stroller frame Including：

Fore-stock, gradually updip extends the fore-stock from front to back, and the fore-stock is slided provided with direction is extended along a length thereof The first dynamic sliding part；

After-poppet, gradually updip extends the after-poppet from back to front, and the after-poppet and the fore-stock intersect setting, and The after-poppet is connected with the first sliding part phase pivot；

Seat frame, the seat frame extends along the longitudinal direction, and the front portion of the seat frame is pivotally connected on the after-poppet；

Push rod, these three parts of the top of the bottom of the push rod, the rear portion of the seat frame and the fore-stock, two of which Part phase pivot is connected and the 3rd part is pivotally connected on a part in both of the aforesaid part, or described three Part mutually pivots together；

Side handrail, the side handrail extend along the longitudinal direction and positioned at the seat frame top, the side handrail front portion with The top phase pivot connection of the after-poppet, the back pivot of the side handrail is connected with the second sliding part, and described second slides Length bearing of trend of the part along the push rod is slidably on the push rod；

Strut, the strut is vertically extending, and the upper pivot of the strut is connected on the push rod and the strut Lower pivot be connected on the after-poppet,

During the vehicle frame folding, the push rod is turned over and drives the fore-stock, after-poppet, seat frame, side handrail and support Bar is relatively rotated and mutually drawn in together.

2. children trolley according to claim 1, it is characterised in that：The bottom of the push rod, the top of the fore-stock And the rear portion of the seat frame is mutually pivoted together by first axle.

3. children trolley according to claim 1, it is characterised in that：The anterior of the seat frame is connected by the second axle pivot It is connected on the after-poppet, second axle is located at the top of first sliding part on support in the rear.

4. children trolley according to claim 1, it is characterised in that：The top of the strut is pivotally connected by the 3rd axle On the push rod, the bottom of the strut is pivotally connected on the after-poppet by the 4th axle, and the 3rd axle is described It is located at the lower section of second sliding part on push rod, the 4th axle is located under first sliding part on support in the rear Side.

5. children trolley according to claim 1, it is characterised in that：When the stroller frame is in deployed condition, institute Fore-stock is stated with the push rod along same length direction to extend.

6. according to any described children trolley of claim 1 to 5, it is characterised in that：The fore-stock includes being located at a left side respectively The front support rod of right both sides, the after-poppet includes the back stay for being located at the left and right sides respectively, the stroller frame left and right sides Per on side, being equipped with the first described sliding part on the front support rod, the front support rod intersected with the back stay and The back stay is connected with the first sliding part phase pivot.

7. children trolley according to claim 6, it is characterised in that：The push rod is in downward opening U-shaped bar, and it has It is located at the left and right sides and vertically extending push rod side lever respectively, described the is equipped with the push rod side lever per side Two sliding parts；The seat frame include respectively be located at the left and right sides two seat bars, the stroller frame left and right sides it is each On side, the bottom at the rear portion of the seat bar, the top of front support rod and the push rod side lever links together in relative rotation.

8. children trolley according to claim 7, it is characterised in that：On every side of the stroller frame left and right sides, The strut described in one group is equipped between the push rod side lever and the back stay.

9. children trolley according to claim 6, it is characterised in that：The after-poppet also includes being fixedly attached to both sides Preceding bar between the front support rod top, the front portion of the side handrail is pivotally connected on the preceding bar.

10. children trolley according to claim 6, it is characterised in that：The fore-stock also includes preceding underframe, the institute of both sides The bottom for stating front support rod is respectively fixedly connected with the preceding underframe, and the wheel assembly includes being divided into described preceding underframe or so two Two groups of front components of side bottom, two groups of wheel assemblies for being divided into back stay bottom described in both sides, at the stroller frame When folded state, the top of the push rod is supported in ground with front component, wheel assembly described in two groups and causes institute jointly State stroller frame and stand on ground certainly.