CN205769873U - The expansion of folded bicycle and folding limit assembly - Google Patents

Abstract

This utility model relates to expansion and the folding limit assembly of a kind of folded bicycle, and it includes hold assembly, fixing axle, pull bar, limited location fork, spring and limit base.This limit assembly is in the deployed state, Access Division is stuck in expansion draw-in groove under the effect of the elastic abutting power of spring, now, hold assembly and limit base be not rotatable, when needs rotate hold assembly, have only to tractive pull bar, Access Division is pulled out draw-in groove from launching, is rotated further by hold assembly to folded state, now, Access Division is stuck in folding draw-in groove under the effect of the elastic abutting power of spring, to prevent from preventing hold assembly from relatively rotating with limit base further.The expansion of this folded bicycle with fold limit assembly simple in construction, easy and simple to handle, simplify the overall structure of tradition buckle, decrease unnecessary spare part, such that it is able to reduce the requirement on machining accuracy to product and the cost of product, achieve limit assembly locking the most in real time and launch, there is higher practical value.

Description

The expansion of folded bicycle and folding limit assembly

Technical field

This utility model relates to field of vehicles, especially relates to expansion and the folding limit assembly of a kind of folded bicycle.

Background technology

Owing to the problems such as pollution, traffic congestion, environmental protection become increasingly conspicuous, increasing people selects to take bus or subway Go on a journey etc. public transport.But owing to current public transport network network can not be completely covered the every nook and cranny in city, A lot of citizen are inclined to the trip mode of selection " bus/subway+bicycle/electric vehicle ".New type foldable bicycle/electric motor car by Possessing the use feature such as flexible, easy to carry in it can well be compatible with public transport, rapidly be large-scale popularization. But existing folded bicycle folds and expansion needs to use the device such as hinge, joint snap close to carry out spacing, folds or deployment step is numerous Trivial.

Utility model content

Based on this, it is necessary to provide expansion and the folding limit assembly of a kind of folded bicycle be easy to and fold and launch.

A kind of expansion of folded bicycle with fold limit assembly, including hold assembly, fixing axle, pull bar, limited location fork, spring and Limit base；Described fixing axle, described pull bar, described limited location fork, described spring and described limit base are located at two described clamping parts Between part；Wherein,

The two ends of described fixing axle are fixing with two described hold assemblies respectively to be connected, described fixing axle be radially provided with tune Knothole；

One end of described pull bar is drawhead, and the size of described drawhead is more than the size of described adjustment hole, described pull bar Other end activity through described adjustment hole；

Described limited location fork include two Access Divisions being oppositely arranged and connect two described Access Divisions connecting portion, described in draw Bar activity is connected with described connecting portion after described fixing axle；

Described spring housing is located on described pull bar and two ends abut against with described connecting portion and described fixing axle respectively；

Described limit base has two pieces, and described limit base is provided with expansion draw-in groove and folds draw-in groove；

Launch or folded state under, described limited location fork under the elastic abutting power effect of described spring, its Access Division energy Enough it is stuck in described expansion draw-in groove or is stuck in described folding draw-in groove to prevent described hold assembly spacing relative to described Seat rotates.

Wherein in an embodiment, two described hold assemblies and two pieces of described limit bases are rotatably connected respectively.

Wherein in an embodiment, described hold assembly is located at the outside of the described limit base of correspondence.

Wherein in an embodiment, it is rotatably connected by a rotating shaft between described hold assembly and described limit base, Described rotating shaft is actively located in two described hold assemblies and two pieces of described limit bases.

Wherein in an embodiment, described hold assembly is provided with the pilot hole of strip, to peripheral hardware on described Access Division Limited location bar, described positive stop strip activity is plugged in described pilot hole.

Wherein in an embodiment, in the deployed state, the length direction of described pilot hole and described expansion draw-in groove Opening direction is consistent.

Wherein in an embodiment, in a folded configuration, the length direction of described pilot hole and described folding draw-in groove Opening direction is consistent.

The expansion of above-mentioned folded bicycle with fold limit assembly in the deployed state, Access Division is in the elastic abutting power of spring Being stuck under effect in expansion draw-in groove, now, hold assembly and limit base be not rotatable, when needs rotate hold assembly, only needs Wanting tractive pull bar, pulled out draw-in groove from launching Access Division, be rotated further by hold assembly to folded state, now, Access Division is at bullet Being stuck under the effect of the elastic abutting power of spring in folding draw-in groove, to prevent from preventing further, hold assembly is relative with limit base to be turned Dynamic.The expansion of this folded bicycle with fold limit assembly simple in construction, easy and simple to handle, simplify the overall structure of tradition buckle, subtract Lack unnecessary spare part, such that it is able to reduce the requirement on machining accuracy to product and the cost of product, it is achieved that spacing group Part locking the most in real time and expansion, have higher practical value.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of the simplification structure of the folded bicycle of an embodiment；

Fig. 2 is the structural representation after the folding completely of the simplification structure of folded bicycle shown in Fig. 1；

Fig. 3 is the folded bicycle structural representation in the deployed state of an embodiment；

Fig. 4 is the structural representation of folded bicycle another visual angle in the deployed state shown in Fig. 3；

Fig. 5 is the view that the fore-stock of folded bicycle shown in Fig. 3 coordinates after folding with after-poppet；

Fig. 6 is the view after folded bicycle shown in Fig. 3 folds completely；

Fig. 7 is first limit assembly structural representation under folded bicycle deployed condition in folded bicycle shown in Fig. 3；

Fig. 8 is first limit assembly structural representation under folded bicycle completely folded state shown in Fig. 7；

Fig. 9 is second limit assembly structural representation under folded bicycle deployed condition in folded bicycle shown in Fig. 3；

Figure 10 is in the second limit assembly shown in Fig. 9 after the second pull bar pull-up and carry out the view turned folding.

Detailed description of the invention

For the ease of understanding this utility model, below with reference to relevant drawings, this utility model is more fully retouched State.Accompanying drawing gives preferred embodiment of the present utility model.But, this utility model can come real in many different forms Existing, however it is not limited to embodiment described herein.On the contrary, providing the purpose of these embodiments is to make public affairs of the present utility model The understanding opening content is more thorough comprehensively.

It should be noted that when element is referred to as " being fixed on " another element, and it can be directly on another element Or element placed in the middle can also be there is.When an element is considered as " connection " another element, and it can be to be directly connected to To another element or may be simultaneously present centering elements.

Unless otherwise defined, all of technology used herein and scientific terminology are led with belonging to technology of the present utility model The implication that the technical staff in territory is generally understood that is identical.At term used in the description of the present utility model it is simply herein The purpose of specific embodiment is described, it is not intended that in limiting this utility model.Term as used herein "and/or" includes Arbitrary and all of combination of one or more relevant Listed Items.

As it is shown on figure 3, the folded bicycle 10 of an embodiment includes handle brackets 100, fore-stock 200, after-poppet 300, front truck Wheel 400 and rear wheel 500.

The top of handle brackets 100 is provided with handlebar 110.The bottom of handle brackets 100 can turn with one end of fore-stock 200 It is dynamically connected.The other end of fore-stock 200 is rotatably connected with after-poppet 300.Front vehicle wheel 400 is located at the bottom of handle brackets 100. Rear wheel 500 is located on after-poppet 300.

In the present embodiment, after-poppet 300 is the pedal structure trampled for single foot or both feet, and front vehicle wheel 400 has one, Rear wheel 500 has two, and two rear wheels 500 are respectively provided at the both sides of after-poppet 300.It is understood that in other embodiments, after The structure of support 300 is also not necessarily limited to shown in figure, as after-poppet 300 can also include the buttocks support support component Gong riding, after Wheel 500 can also only one of which, a rear wheel 500 is located at the bottom of after-poppet 300.

Incorporated by reference to Fig. 1, Fig. 2 and Fig. 3, one end that fore-stock 200 is connected with handle brackets 100 can be with towards after-poppet The direction that turns folding of the bottom of 300 rotates, so that fore-stock 200 coordinates folding with the bottom of after-poppet 300.Handle brackets 100 one end being provided with handlebar 110 can rotate along the direction in opposite direction turned folding with fore-stock 200, so that handle Hands support 100 coordinates folding with fore-stock 200.

This folded bicycle 10 includes handle brackets 100, fore-stock 200 and after-poppet 300, handle brackets 100, fore-stock 200 Constitute three sections of folding structures with after-poppet 300, concrete, fore-stock 200 can towards the lower rotation of after-poppet 300 with Fold, and handle brackets 100 can turn folding with the direction folding rotation in opposite direction with fore-stock 200, after folding, front Support 200 is positioned at the bottom of after-poppet 300, and handle brackets 100 can be stretched out from the bottom of after-poppet 300, front vehicle wheel 400 also because of Fold the bottom being positioned at after-poppet 300.Than traditional side-foldable, folding of the present utility model is more convenient, quick, and folding The car load volume of poststack is little, and center of gravity is concentrated, it is possible to achieve rod-pulling type or push-pull configuration, carries aspect, it is possible to liked " public transport/ Subway+micro-vehicle " trip colony bring life convenience greatly, and beneficially urban traffic environment improvement and People live the raising of efficiency.

Below in conjunction with Fig. 3-10, the structure of the folded bicycle 10 of a specific embodiment is described in more detail.

In the present embodiment, the first limit assembly 600 it is provided with between handle brackets 100 and fore-stock 200.First spacing group Part 600 is in the deployed state by spacing with fore-stock 200 for handle brackets 100.Set between fore-stock 200 and after-poppet 300 There is the second limit assembly 700.Second limit assembly 700 is in the deployed state by spacing with after-poppet 300 for fore-stock 200.

Handle brackets 100 includes two first supporting rods 120.Two first supporting rods 120 be oppositely arranged and between have Gap.The bottom of the first supporting rod 120 is the first clamping part 122.Front vehicle wheel 400 be located between two the first clamping parts 122 and It is connected respectively with these two the first clamping parts 122.Bracing piece 130 between two first supporting rods 120.The two ends of bracing piece 130 Fix with two first supporting rods 120 respectively and be connected.It is understood that in other embodiments, the structure of handle brackets 100 is not limited to This, if the main part of handle brackets 100 can also be the structure of a bar, as long as preferably near the one of front vehicle wheel 400 End diverges to two the first clamping parts 122 of formation, is arranged on by front vehicle wheel 400 between these two the first clamping parts 122.

Fore-stock 200 includes two second supporting rods 210.Two second supporting rods 210 be oppositely arranged and between have between Gap.The front end of the second supporting rod 210 is the second clamping part 212, and rear end is the 3rd clamping part 214.Two the second clamping parts 212 points Rotatably it is not connected with two the first clamping parts 122.Front vehicle wheel 400 is located between two the second clamping parts 212 and with two Individual second clamping part 212 connects.3rd clamping part 214 is rotatably connected with after-poppet 300.It is understood that in other embodiments, The structure of fore-stock 200 is not limited to this, it is preferred that as long as two the second clamping parts 212 of formation are diverged in the front end of fore-stock 200, Two the 3rd clamping parts 214 of formation are diverged in rear end.

First limit assembly 600 is located between two the first clamping parts 122.In the present embodiment, the first limit assembly 600 Axle the 610, first pull bar 620, limited location fork the 630, first spring 640 and the first limit base 650 is fixed including first.

First two ends fixing axle 610 are fixed with two the first clamping parts 122 respectively and are connected.First footpath fixing axle 610 To being provided with the first adjustment hole (not indicating in figure).

One end of first pull bar 620 is drawhead 622.The size of drawhead 622 is more than the size of the first adjustment hole.First The other end activity of pull bar 620 passes the first adjustment hole.

Limited location fork 630 includes two Access Divisions being oppositely arranged 632 and connects the connecting portion 634 of two Access Divisions 632.The One pull bar 620 activity is connected with connecting portion 634 after fixing axle 640 through first.

First spring 640 pref. cylindrical spring.First spring 640 be set on the first pull bar 620 and two ends respectively with Connecting portion 634 and first is fixed axle 610 and is abutted against.

First limit base 650 has two pieces.Two piece of first limit base 650 is fixed with two the second clamping parts 212 respectively and is connected. First limit base 650 is provided with the first expansion draw-in groove 652.After deployment, limited location fork 630 is at the bullet of the first spring 640 for folded bicycle 10 Property abuts under power effect, and its Access Division 632 can be stuck in the first expansion draw-in groove 652 to prevent handle brackets 100 relative to front Support 200 rotates.

In the present embodiment, the first limit base 650 is additionally provided with folding draw-in groove 654.The opening direction folding draw-in groove 654 is excellent Select and be vertically arranged with the first opening direction launching draw-in groove 652, and the first opening direction launching draw-in groove 652 sets the most upward Put.After folding, limited location fork 630 is under the elastic abutting power effect of the first spring 640, and its Access Division 632 can for folded bicycle 10 It is stuck in folding draw-in groove 654 to prevent handle brackets 100 from rotating relative to fore-stock 200.

Further, in the present embodiment, the structure that the first limit base 650 is formed in one with the second clamping part 212.Two pieces First limit base 650 respectively constitutes the end of two the second clamping parts 212.Front vehicle wheel 400 be located at two piece of first limit base 650 it Between and be rotatably connected by a rotating shaft with two piece of first limit base 650.This rotating shaft activity is located in two piece of first limit base 650 With in two the second clamping parts 212.First clamping part 122 is located at the outside of the first limit base 650 of correspondence and spacing with first Seat 650 is rotatably connected.It is understood that in other embodiments, the first limit base 650 can also use with the second clamping part 212 The structure separated, as long as being fixedly mounted on the end of the second clamping part 212 by the first limit base 650.

Additionally, in the present embodiment, the first clamping part 122 is provided with the pilot hole 124 of strip.On Access Division 632 to It is externally provided with positive stop strip 636.Positive stop strip 636 activity is plugged in pilot hole 124.Preferably, in the deployed state, pilot hole 124 Length direction and first launch draw-in groove 652 opening direction consistent；In a folded configuration, the length direction of pilot hole 124 with The opening direction folding draw-in groove 654 is consistent.When lifting the first pull bar 620, pilot hole 124 can limit the fortune of the first pull bar 620 Dynamic amplitude, and make the first pull bar 620 and limited location fork 630 move along specific path, after ensureing that expansion every time or folding put in place, The Access Division 632 of limited location fork 630 can snap in the first expansion draw-in groove 652 smoothly or fold in draw-in groove 654.

First limit assembly 600 of the present embodiment coordinates two hold assemblies configurable for the expansion of folded bicycle and folding Limit assembly, wherein, hold assembly can use structure, the position similar with above-mentioned first clamping part 122 and connect setting, in reality When border uses, this hold assembly can be fixed on the first clamping part 122, it is also possible to directly using this hold assembly as first Clamping part 122, namely can be directly by one-body molded to this hold assembly and the first supporting rod 120.

Second limit assembly 700 is provided with between two the 3rd clamping parts 214.Second limit assembly 700 includes that second fixes Axle the 710, second pull bar the 720, second spring 730, limit shaft 740 and the second limit base 750.

Second two ends fixing axle 710 are fixed with two the 3rd clamping parts 214 respectively and are connected.

Second pull bar 720 is provided with the second adjustment hole 722 of strip.Second fixes axle 710 through the second adjustment hole 722, and the length direction of the second adjustment hole 722 and the second axis fixing axle 710 be vertically arranged.By tractive the second pull bar 720, the second pull bar 720 relative second can be made to fix axle 710 and to move.

3rd clamping part 214 is provided with the 3rd adjustment hole 216 of strip.The two ends of limit shaft 740 active card respectively sets In the 3rd adjustment hole 216.The length direction of the 3rd adjustment hole 216 and the length direction of the second adjustment hole 722 are consistent, limit shaft 740 to fix axle 710 with second parallel.Second pull bar 720 is connected with limit shaft 740, when the length direction along the second adjustment hole 722 When pulling the second pull bar 720, it is possible to drive limit shaft 740 to move on the length direction of the 3rd adjustment hole 216.

Second spring 730 is set on the second pull bar 720 and fixes between axle 710 at limit shaft 740 and second.Second Limit shaft 740 and second are fixed axle 710 and are applied elastic abutting power by the two ends of spring 730 respectively.In the present embodiment, second draw Two linking arms 724 of formation are diverged in one end that bar 720 is connected with limit shaft 740.The end of linking arm 724 is provided with installing hole (figure Do not show).Limit shaft 740 sequentially passes through the installing hole on two linking arms 724, thus when tractive the second pull bar 720, can carry Dynamic limit shaft 740 moves along the 3rd adjustment hole 216.Axle is fixed with linking arm 724 and second respectively in the two ends of the second spring 730 710 abut against.

Second limit base 750 is located at the bottom of after-poppet 300.Second limit base 750 is provided with forward the second expansion draw-in groove 752.Under its fully unfolded position of folded bicycle 10, limit shaft 740 can under the effect of the elastic abutting power of the second spring 730 It is stuck in the second expansion draw-in groove 752, to prevent fore-stock 200 from relatively rotating with after-poppet 300.When needs fold, as long as drawing Dynamic second pull bar 720, launches to pull out draw-in groove 752 from second by limit shaft 740, is rotated further by fore-stock 200.

In the present embodiment, two the 3rd clamping parts 214 are respectively provided at the both sides of the second limit base 750 and pass through rotating shaft 760 are rotatably connected with the second limit base 750.

Further, in the present embodiment, the bottom of after-poppet 300 is provided with wheel draw-in groove 302.Current brackets 200 with rear After frame 300 coordinates folding, front vehicle wheel 400 can be partially housed in wheel draw-in groove 302.

It is understood that in other embodiments, the first limit assembly 600 of this folded bicycle 10 and the second limit assembly 700 Structure is also not necessarily limited to described above, launches as the mode such as traditional buckle or lockhole/lock can also be used to realize and/or folds After spacing.

This folded bicycle 10 is realized by first limit assembly 600 and/or the second limit assembly 700 with said structure By spacing with the locking of after-poppet 300 with fore-stock 200 and fore-stock 200 for handle brackets 100 under deployed condition, when needs fold Time, it is only necessary to the corresponding pull bar of tractive, simple in construction, easy and simple to handle, simplify the overall structure of tradition buckle, decrease Unnecessary spare part, such that it is able to reduce the requirement on machining accuracy to product and the cost of product, it is achieved that limit assembly is fast Speed is locked the most in real time and launches, and has higher practical value.

It is understood that words such as above-mentioned " first ", " second " and " the 3rd " is only intended to corresponding each element title is carried out district Point, under concrete subject matter, " first ", " second " and " the 3rd " can make adaptations, it is also possible to does not has.

Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited In contradiction, all it is considered to be the scope that this specification is recorded.

Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed, But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, for the common skill of this area For art personnel, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into Protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.

Claims (7)

1. the expansion of a folded bicycle with fold limit assembly, it is characterised in that include hold assembly, fixing axle, pull bar, spacing Fork, spring and limit base；Described fixing axle, described pull bar, described limited location fork, described spring and described limit base are located at two institutes State between hold assembly；Wherein,

The two ends of described fixing axle are fixing with two described hold assemblies respectively to be connected, described fixing axle be radially provided with regulation Hole；

One end of described pull bar is drawhead, the size of described drawhead more than the size of described adjustment hole, described pull bar another One end activity passes described adjustment hole；

Described limited location fork includes two Access Divisions being oppositely arranged and connects the connecting portion of two described Access Divisions, and described pull bar is lived Move and be connected with described connecting portion after described fixing axle；

Described spring housing is located on described pull bar and two ends abut against with described connecting portion and described fixing axle respectively；

Described limit base has two pieces, and described limit base is provided with expansion draw-in groove and folds draw-in groove；

Under expansion or folded state, described limited location fork is under the elastic abutting power effect of described spring, and its Access Division can be divided It is not stuck in described expansion draw-in groove or is stuck in described folding draw-in groove to prevent described hold assembly from turning relative to described limit base Dynamic.

2. the expansion of folded bicycle as claimed in claim 1 and folding limit assembly, it is characterised in that two described hold assemblies It is rotatably connected respectively with two pieces of described limit bases.

3. the expansion of folded bicycle as claimed in claim 2 and folding limit assembly, it is characterised in that described hold assembly is located at The outside of corresponding described limit base.

4. the expansion of folded bicycle as claimed in claim 3 and folding limit assembly, it is characterised in that described hold assembly and institute Stating and be rotatably connected by a rotating shaft between limit base, described rotating shaft is actively located in described in two described hold assemblies and two pieces In limit base.

5. the expansion of the folded bicycle as according to any one of Claims 1 to 4 and folding limit assembly, it is characterised in that described Hold assembly is provided with the pilot hole of strip, and to being externally provided with positive stop strip on described Access Division, described positive stop strip activity is plugged in institute State in pilot hole.

6. the expansion of folded bicycle as claimed in claim 5 and folding limit assembly, it is characterised in that in the deployed state, institute The length direction stating pilot hole is consistent with the opening direction of described expansion draw-in groove.

7. the expansion of folded bicycle as claimed in claim 5 and folding limit assembly, it is characterised in that in a folded configuration, institute The length direction stating pilot hole is consistent with the opening direction of described folding draw-in groove.