CN208198703U

CN208198703U - Folding stand

Info

Publication number: CN208198703U
Application number: CN201820497987.6U
Authority: CN
Inventors: 张钊
Original assignee: DONGGUAN WEIXIN SPORTS ARTICLES Co Ltd
Current assignee: Guangdong Qunwang Technology Co ltd
Priority date: 2018-04-09
Filing date: 2018-04-09
Publication date: 2018-12-07
Anticipated expiration: 2028-04-09

Abstract

The utility model discloses a kind of folding stand, including front-wheel support, front truck bar, rear wheel support, rear car bar, drive rod and seat support bar；The front end of the front truck bar and the front-wheel support are pivotally connected to form pivoting point one, and the lower end of rear end and the rear car bar is pivotally connected to form pivoting point two；The middle part of the rear car bar and the seat support bar, which are arranged in a crossed manner and are pivotally connected, forms pivoting point three；The lower end of the seat support bar is connect with the rear wheel support；The front end of the drive rod and the front truck bar are pivotally connected to form pivoting point four, and rear end and the seat support bar are pivotally connected to form pivoting point five；The rear end of the front truck bar, which offers, supports plane, and the lower end of the rear car bar is equipped with top, and the top, which is resisted against, described supports plane to support the unfolded state of entire vehicle frame.The utility model folding stand has folding convenient, and folding volume is small, the advantages of facilitating the carrying and use.

Description

Folding stand

Technical field

The utility model relates to a kind of vehicle frame more particularly to a kind of folding stands.

Background technique

With the development of science and technology and the improvement of people's living standards, electric vehicle is from a kind of simple trip walking-replacing tool Develop into a kind of medical walk help tool, is increasingly liked by part disabled person.Existing Foldable electric vehicle folds Mode is all relatively simple, and folded volume is still larger, and when folding to vehicle body, complex for operation step, special needle To the personage that the action of some bodies is originally inconvenient, the folding work that do such complexity can be more difficult painstaking, easy-to-use Property is not high.

Based on above-mentioned deficiency, therefore, it is necessary to a kind of folding convenients, and folding volume is small, the folding facilitated the carrying and use Vehicle frame.

Utility model content

The purpose of this utility model is to provide a kind of folding convenients, and folding volume is small, the folding facilitated the carrying and use Vehicle frame.

To achieve the goals above, folding stand provided by the utility model includes front-wheel support, front truck bar, rear-wheel branch Frame, rear car bar, drive rod and seat support bar；The front end of the front truck bar and the front-wheel support are pivotally connected to form pivoting point one, Rear end and the lower end of the rear car bar are pivotally connected to form pivoting point two；The middle part of the rear car bar is in intersect with the seat support bar It is arranged and pivot joint forms pivoting point three；The lower end of the seat support bar is connect with the rear wheel support；Before the drive rod End is pivotally connected to form pivoting point four with the front truck bar, and rear end and the seat support bar are pivotally connected to form pivoting point five；The front truck The rear end of bar, which offers, supports plane, and the lower end of the rear car bar is equipped with top, the top be resisted against it is described support it is flat Face is to support the unfolded state of entire vehicle frame.

Compared with prior art, since the utility model utilizes front-wheel support, front truck bar, rear wheel support, rear car bar and seat Chair support bar group is connected between front truck bar and seat support bar at a foldable vehicle frame, then by a drive rod, so as to It drives the rear end of front truck bar to be swung up using the front end of drive rod, front truck bar and rear car bar is made mutually to draw close folding；Meanwhile benefit It drives seat support bar to carry out wide-angle overturning with the rear end of drive rod, and then makes seat support bar to the front truck bar and rear-wheel Vehicle bar is drawn close, also, after folding rear-wheel is flipped up to top and front-wheel on same vertical direction, to effectively keep away The bulky defect of folding is caused side by side in the horizontal direction after having exempted from front and back wheel folding, and vehicle frame folding volume is made greatly to be contracted It is small；Therefore, entire folding stand mutually links, and each rod piece synchronous folding mechanism, folding is simple, easy to use, small in size after folding, has Conducive to carrying and store.

Preferably, the pivoting point four is located at the rear of the pivoting point two.

Preferably, the pivoting point five is between the pivoting point three and the lower end of the seat support bar.

Preferably, the relatively described rear car bar in the top is in bending downward, the plane of supporting is towards the top And extend along lower section.

Preferably, the folding stand further includes pull rod, the front end of the pull rod and the front-wheel support are pivotally connected to form pivot The front end of contact six, rear end and the drive rod is pivotally connected to form pivoting point seven.The pull rod can be in folding by the front-wheel Bracket pulls back, so that front-wheel support is mutually drawn close with seat support bar realization.

Specifically, the pivoting point seven is located at the rear of the pivoting point four.

Specifically, pushing part is extended in the front end bending of the pull rod, and the front-wheel support is articulated with a tumbler, described Front-wheel is arranged in one end of tumbler, and the other end of the tumbler is corresponding with the pushing part, when vehicle frame folding, the promotion Portion drives the tumbler to swing, and makes the tumbler that the front-wheel be driven to ajust.Utilize the pushing part and the tumbler Linkage can enable simultaneously to ajust front-wheel when vehicle frame folding, obtain vehicle frame folding more neat, promote folding effect.

Preferably, the folding stand further includes seat board, the seat board offers sliding rail, the seat branch along the longitudinal direction The upper end of strut is slidably set to the sliding rail, and the rear end that the upper end of the rear car bar is articulated in the seat board forms pivoting point Eight.

Specifically, the sliding rail is the first elongated hole, and the upper end of the seat support bar is slidably plugged in described first In elongated hole.

Specifically, the sliding rail is guide rib, and the upper end of the seat support bar is articulated with a sliding block, and the sliding block is sliding Dynamicly cooperate with the guide rib.

Specifically, it is articulated with and leans against on the seat board, described lean against is articulated with handrail support arm.

More specifically, the folding stand further includes handle interlocked bar, the lower end of the handle interlocked bar is articulated in described The upper end of seat support bar, the upper end of the handle interlocked bar are articulated in the handrail support arm, open up on the handle interlocked bar There is the second elongated hole, the side wall of the seat board is equipped with pin, and the pin is slidably plugged in second elongated hole relatively It is interior.By the way that handle interlocked bar is arranged, handrail support arm can be made and leaned against synchronous folding mechanism, simplified folding to walk with vehicle frame folding Suddenly, the convenience of folding is improved.

Detailed description of the invention

Fig. 1 is the perspective view of the utility model folding stand.

Fig. 2 is the perspective view of another angle of the utility model folding stand.

Fig. 3 is the side view after the expansion of the utility model folding stand.

Fig. 4 is the structure chart of the seat support bar of the utility model folding stand and another type of attachment of seat.

Fig. 5 is the enlarged drawing of part A in Fig. 2.

Side view when Fig. 6 is the utility model half folding of folding stand.

Fig. 7 is the side view after the utility model folding stand folding.

Specific embodiment

For technology contents, the construction feature, the effect realized that the utility model is described in detail, below in conjunction with embodiment And attached drawing is cooperated to be explained in detail.

As shown in Fig. 1, Fig. 3 and Fig. 5, the utility model folding stand 100 includes front-wheel support 1, front truck bar 2, rear-wheel branch Frame 3, rear car bar 4, drive rod 5, seat support bar 6 and pull rod 7；The front end of the front truck bar 2 and the front-wheel support 1 are pivotally connected shape At one a of pivoting point, the lower end of the rear end of the front truck bar 2 and the rear car bar 4 is pivotally connected to form two b of pivoting point；The rear car bar 4 Middle part and the seat support bar 6 be arranged in a crossed manner and be pivotally connected and form three c of pivoting point；The lower end of the seat support bar 6 with The rear wheel support 3 connects；Specifically, the seat support bar 6 can be fixedly connected with the rear wheel support 3, can also be with The rear wheel support 3 is pivotally connected and a shock absorber is arranged therebetween；The front end of the drive rod 5 and the front truck bar 2 are pivotally connected Four d of pivoting point is formed, four d of pivoting point is located at the rear of two b of pivoting point.The domed bending knot of the drive rod 5 Structure, the rear end of the drive rod 5 and the seat support bar 6 pivot joint form five e of pivoting point；Five e of pivoting point is located at described Between three c of pivoting point and the lower end of the seat support bar 6.

For another example shown in Fig. 1, Fig. 3 and Fig. 6, the rear end of the front truck bar 2, which offers, supports plane 21, the rear car bar 4 Lower end is equipped with top 41, and in bending downward, two b of pivoting point is located at described the relatively described rear car bar 4 in the top 41 The lower end of top 41, it is described to support rear of the plane 21 towards vehicle frame and the corresponding top 41, the top 41 Leading flank supports plane 21 described in being resisted against, to support the unfolded state of entire vehicle frame when vehicle frame is unfolded and realize load-bearing.

Fig. 3 and Fig. 5 is please referred to again, and the front end of the pull rod 7 and the front-wheel support 1 pivot joint form six f of pivoting point, described Six f of pivoting point is located at the lower section of one a of pivoting point, and the rear end of the pull rod 7 and the front end of the drive rod 5 are pivotally connected to form pivot Seven g of contact.Seven g of pivoting point is located at the rear of four d of pivoting point.The pull rod 7 can be in folding by the front-wheel Bracket 1 pulls back, so that front-wheel support 1 is mutually drawn close with the realization of seat support bar 6.

Fig. 3 and Fig. 5 is please referred to again, and the front end of the pull rod 7, which is bent downward, extends pushing part 71, the pushing part 71 Outside, which is extend horizontally away, pushes column 71a, and the front-wheel support 1 is articulated with a tumbler 11 by drive-connecting shaft 1a, and drive-connecting shaft 1a is in It is vertically arranged, front-wheel 110 is arranged in one end of the tumbler 11, and the other end of the tumbler 11 is equipped with resistance surface 11a, described Resistance surface 11a is corresponding with the promotion column 71a.When it is maximum that two front wheels 110, which are flapped toward angle, a wherein pull rod for vehicle frame two sides 7 promotion column 71a is contacted with corresponding resistance surface 11a, and the promotion column 71a of another pull rod 7 and corresponding resistance surface 11a at this time It is located remotely from each other；When vehicle frame folding, the promotion column 71a drives the tumbler 11 to swing, and makes the driving of tumbler 11 two The front-wheel 110 is ajusted.It is linked using the pushing part 71 and the tumbler 11, simultaneously to preceding when can enable vehicle frame folding Wheel 110 is ajusted, and obtains vehicle frame folding more neat, promotes folding effect.

Again referring to Fig. 3, the folding stand 100 further includes seat board 8, leans against 9, handrail support arm 10 and handle interlocked bar 101, the seat board 8 offers sliding rail along the longitudinal direction, and the sliding rail is the first elongated hole 81, and the first elongated hole 81 is opened in institute The side wall of seat board 8 is stated, the upper end of the seat support bar 6 is articulated in formation nine k of pivoting point on the seat board 8, and the pivot Drive-connecting shaft on nine k of contact is in slidably set on first elongated hole 81.The upper end of the rear car bar 4 bends inwards and is pivotally connected Eight h of pivoting point is formed in the middle part of the rear end of the seat board 8.It is described to lean against 9 and be articulated in the middle part of the rear end of the seat board 8, it is described The rear end of handrail support arm 10 is articulated in described lean against on 9 side.The lower end of the handle interlocked bar 101 is articulated in the seat The upper end of support rod 6, ten m of pivoting point is between three c of pivoting point and nine k of pivoting point；The handle interlocked bar 101 it is upper End is articulated in the front end of the handrail support arm 10, offers the second elongated hole 101a, the seat board on the handle interlocked bar 101 8 side wall is equipped with pin 82, and the pin 82 is slidably plugged in relatively in the second elongated hole 101a.It is helped by setting Hand interlocking lever 101, handrail support arm 10 can be enable and lean against 9 with vehicle frame folding synchronous folding mechanism, simplify folding step, improve receive The convenience of folding.

In addition, the guide rib 81 ' is set to as shown in figure 4, the sliding rail of the seat board 8 can also be guide rib 81 ' The bottom of the seat board 8, the upper end of the seat support bar 6 are articulated with a sliding block 61, and the sliding block 61 is slidably led with described Cooperate to flange 81 '.The guide rib 81 ' and the role that the sliding block 61 is slidably matched be make for convenience it is described The folding of seat support bar 6 and seat board 8, the effect with above-mentioned the first elongated hole 81 opened up is identical.

In summary and Fig. 3, Fig. 6 and Fig. 7 are combined, the folding principle of the utility model folding stand 100 is carried out below Detailed description is as follows:

When folding, the drive rod 5 is driven by the driving device on folding stand 100, the drive rod 5 is swung, this When, the front end of the drive rod 5 is swung up, the front end of the drive rod 5 drive the front truck bar 2 rear end and the pull rod 7 rear end is swung up, the rear end of the front truck bar 2 support plane 21 and the top 41 of the front end of the Rear frame 4 is divided From, the front end of the rear car bar 4 is also swung up with the rear end of the front truck bar 2, meanwhile, the pull rod 7 pulls the front-wheel Bracket 1 moves backward.At the same time, the rear end of the drive rod 5 drives the seat to lower swing, 5 rear end of drive rod Support rod 6 is swung, and rotates the seat support bar 6 around three c of pivoting point, so that rear wheel support 3 is put towards front upper place It is dynamic.In addition, the seat support bar 6 rotation drives the handle interlocked bar 101 again, the handle interlocked bar 101 drive its with The handrail support arm 10, lean against 9 and seat board 8 be formed by quadrangle deformation of timbering folding so that the seat board 8, leaning against 9 and helping Hand energy synchronous folding mechanism.At this moment, each rod piece of entire vehicle frame is towards drawing close in the middle part of vehicle frame.With the progress of folding, the front truck Bar 2, pull rod 7, rear car bar 4 and drive rod 5 are mutually close together, and the seat support bar 6 has rotated clockwise and has been more than It is also drawn close with aforementioned each rod piece after 180 degree；At this point, the rear wheel support 3 and rear-wheel 120 are located at the upper of the vehicle frame after folding Portion.

Compared with prior art, since the utility model utilizes front-wheel support 1, front truck bar 2, rear wheel support 3, rear car bar 4 And seat support bar 6 forms a foldable vehicle frame, then a drive rod 5 is connected between front truck bar 2 and seat support bar 6, So as to drive the rear end of front truck bar 2 to be swung up using the front end of drive rod 5, draw close front truck bar 2 and rear car bar 4 mutually Folding；Meanwhile using the rear end of drive rod 5 drive seat support bar 6 carry out wide-angle overturning, and then make seat support bar 6 to The front truck bar 2 and rear car bar 4 are drawn close, also, after folding rear-wheel 120 are flipped up to top with front-wheel 110 same On one vertical direction, to cause folding volume big side by side in the horizontal direction after effectively preventing front-wheel 110,120 folding of rear-wheel Defect, reduce vehicle frame folding volume greatly；Therefore, the entire mutually linkage of folding stand 100, each rod piece is synchronous to be received Folding, folding is simple, easy to use, small in size after folding, is conducive to carry and store.

Above disclosed is only the preferred embodiments of the utility model, cannot limit the utility model certainly with this Interest field, therefore equivalent variations made according to the patent scope of the utility model still falls within the utility model and covered Range.

Claims

1. a kind of folding stand, it is characterised in that: including front-wheel support, front truck bar, rear wheel support, rear car bar, drive rod and seat Chair support rod；The front end of the front truck bar and the front-wheel support are pivotally connected to form pivoting point one, under rear end and the rear car bar End pivot joint forms pivoting point two；The middle part of the rear car bar and the seat support bar, which are arranged in a crossed manner and are pivotally connected, forms pivoting point Three；The lower end of the seat support bar is connect with the rear wheel support；The front end of the drive rod and the front truck bar are pivotally connected shape At pivoting point four, rear end and the seat support bar are pivotally connected to form pivoting point five；The rear end of the front truck bar offer support it is flat Face, the lower end of the rear car bar are equipped with top, and the top, which is resisted against, described supports plane to support the exhibition of entire vehicle frame Open state.

2. folding stand as described in claim 1, it is characterised in that: after the pivoting point four is located at the pivoting point two Side.

3. folding stand as described in claim 1, it is characterised in that: the pivoting point five be located at the pivoting point three with it is described Between the lower end of seat support bar.

4. folding stand as described in claim 1, it is characterised in that: the relatively described rear car bar in the top is in be turned under Folding, the plane of supporting extend towards the top and along lower section.

5. folding stand as described in claim 1, it is characterised in that: the folding stand further includes pull rod, the pull rod Front end and the front-wheel support are pivotally connected to form pivoting point six, and the front end of rear end and the drive rod is pivotally connected to form pivoting point seven.

6. folding stand as claimed in claim 5, it is characterised in that: after the pivoting point seven is located at the pivoting point four Side.

7. folding stand as claimed in claim 5, it is characterised in that: pushing part is extended in the front end bending of the pull rod, institute It states front-wheel support and is articulated with a tumbler, front-wheel is arranged in one end of the tumbler, and the other end of the tumbler is pushed away with described Dynamic portion is corresponding, and when vehicle frame folding, the pushing part drives the tumbler to swing, and the tumbler is made to drive the front-wheel pendulum Just.

8. folding stand as described in claim 1, it is characterised in that: the folding stand further includes seat board, the seat board edge Front-rear direction offers sliding rail, and the upper end of the seat support bar is slidably set to the sliding rail, the upper end pivot of the rear car bar The rear end for being connected to the seat board forms pivoting point eight.

9. folding stand as claimed in claim 8, it is characterised in that: the sliding rail is the first elongated hole, the Seat support The upper end of bar is slidably plugged in first elongated hole.

10. folding stand as claimed in claim 8, it is characterised in that: the sliding rail is guide rib, the seat support bar Upper end be articulated with a sliding block, the sliding block slidably cooperates with the guide rib.

11. folding stand as claimed in claim 8, it is characterised in that: it is articulated with and leans against on the seat board, it is described to lean against pivot It is connected to handrail support arm.

12. folding stand as claimed in claim 11, it is characterised in that: the folding stand further includes handle interlocked bar, institute The lower end for stating handle interlocked bar is articulated in the upper end of the seat support bar, and the upper end of the handle interlocked bar is articulated in described help Hand support arm offers the second elongated hole on the handle interlocked bar, and the side wall of the seat board is equipped with pin, and the pin is opposite It is slidably plugged in second elongated hole.