CN2707607Y

CN2707607Y - Handle device for folding bicycle

Info

Publication number: CN2707607Y
Application number: CN 200420019517
Authority: CN
Inventors: 焦焱
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-01-17
Filing date: 2004-01-17
Publication date: 2005-07-06
Anticipated expiration: 2014-01-17

Abstract

The utility model discloses a handle device for folding bicycle, comprising a handle and a handle connecting component with one end fixed to the handle. One end of the handle connecting component can be rotatablely connected with rotary axle of the first fixing component on a front frame or a back frame, provided with a folding position stop-motion portion and at least a using position stop-motion portion positioned at the peripheral wall of the handle connecting component. The first fixing component is provided with a first stop-motion component to support the folding position stop-motion portion, and the fixing component or the front frame or the a second fixing component on the other frame of the back frame is provided with at least a second stop-motion component to support the using position stop-motion portion. When the bicycle is completely folded, the folding position stop-motion portion supports the stop-motion component. When the bicycle is in a state of using, the using position stop-motion portion supports the second stop-motion component.

Description

The handle device that is used for the folding two-wheel car

(1) technical field

The utility model relates to a kind of handle device that is used for the folding two-wheel car.

(2) background technology

A kind of two-wheel car, for example bicycle when withdraw from use, usually has some two-wheel cars can be folded into the less shape of volume as the vehicle usually, is convenient to take in placement.Yet there is following problem in these folding two-wheel cars:

At first, two-wheel car generally lacks a special-purpose handle when folding, when especially front vehicle frame and back vehicle frame are close mutually, can't finish with the action that one hand is upwards mentioned, often rely on both hands to do to draw in action in the horizontal direction, the possibility that exists finger to be blocked by the two-wheel car parts, folding operation lacks convenience.

Secondly, though there is the device of a similar handle in partially folded two-wheel car and can rotates, by retrieval, shown in the CN01119282 patent application, but this device is not the form setting with standalone feature, but captives joint with the miscellaneous part of two-wheel car, also has the function as sealed vehicle frame except that guiding and supporting, its structure is comparatively complicated, will obviously increase manufacturing cost.Because this device also must bear and transmit cyclist's weight loading simultaneously, under the long-term use condition, the structure of this complexity also is affected the vehicle frame bulk strength because of the wearing and tearing of inner body easily.The S. A. of this device of what is more important just handle S. A. departs from handle.During the folding two-wheel car, in all processes that handle rotates around S. A., S. A. is not to be positioned at the cyclist all the time to hold zone under handle position vertical, this just means that the cyclist mentions handle and begins to fold, behind folding finishing, hold handle and move two-wheel car, when finishing above-mentioned sequence, the cyclist can't keep holding the centre of the palm of handle all the time towards ground with stable angle, but driving wrist, palm does reversing than wide-angle around S. A., and because this device is also connecting parts such as seat cushion and seat cushion bar, the arm of force that constitutes to this device S. A. from seat cushion is far longer than the arm of force that handle constitutes to S. A., the cyclist must hold handle and the application of force and overcome seat cushion and swing to the big gravity load that ground is produced when mentioning this device with one hand, mention operation and lack traveling comfort so cause.For comfortable and avoid wrist to reverse, the cyclist needs mobile palm in operation position, so cause mentioning operation deficient in stability and controllability again.In addition, this device need increase independent placement space for handle, and the external Design that this will have influence on the folding two-wheel car is restricted the placement location of near miscellaneous part of this device such as shelf.

(3) summary of the invention

Therefore, the purpose of this utility model is, for the folding two-wheel car provides a kind of function independent, simple in structure handle device, allows the cyclist can the convenient car of folding two-wheel cosily, provides free outer design space more for two-wheel car simultaneously.

According to the utility model, a kind of handle device that is used for the folding two-wheel car is provided, wherein said folding two-wheel car comprises the seat cushion rod bush of a front vehicle frame and a back vehicle frame and a supporting seat lining bar, the rear end of front vehicle frame links to each other by a rotary axle box rotatably with the front end of back vehicle frame, described handle device comprises that a handle and an end are fixedly connected on the handle attaching parts of handle, wherein, the other end of described handle attaching parts is connected in one of described front vehicle frame or back vehicle frame rotationally by a S. A. that is connected in one of front vehicle frame or back vehicle frame, described S. A. is arranged to described handle attaching parts can break away from described seat cushion rod bush around described S. A. rotation, at described handle attaching parts folding position retainer and at least one use location retainer that is positioned on the handle attaching parts perisporium is set

Be arranged on first connecting element of one of the front vehicle frame that is connected with the S. A. of described handle attaching parts or back vehicle frame, described first connecting element is provided with first retainer that can support described folding position retainer, at described first connecting element or on one second connecting element on another vehicle frame of front vehicle frame or back vehicle frame second retainer that at least one can support described use location retainer is set simultaneously, the described folding position retainer and first retainer are arranged to when two-wheel car is in complete folded state, described folding position retainer is bearing on described first retainer, the described use location retainer and second retainer are arranged to when two-wheel car is in running condition, and described use location retainer is bearing on described second retainer.

In aforesaid handle device, also comprise a junction spare, the one end is connected in one of front vehicle frame or back vehicle frame by a S. A. in rotating mode, the other end removably is fixedly connected on another of front vehicle frame or back vehicle frame, go back the described seat cushion rod bush of captive joint simultaneously, described handle attaching parts S. A. is arranged on the below of handle, described connection front vehicle frame and the back vehicle frame rotary axle box above, the position of described handle is arranged to described seat cushion rod bush and can be rotated relative to described handle around its S. A. with described link.

In aforesaid handle device, described handle attaching parts S. A. is arranged on the midway location at handle two ends.

In aforesaid handle device, in the running condition of two-wheel car, described handle S. A. is between the described two ends of described link.

In aforesaid handle device, in the running condition of two-wheel car, described handle is between the described two ends of described link.

In aforesaid handle device, at described handle attaching parts the auxiliary retainer in one use location is set, at described first connecting element one the 3rd retainer is set, when two-wheel car is in running condition, auxiliary retainer in described use location and the engagement of described the 3rd retainer, make handle attaching parts and handle be subjected to the restriction of positive and negative two hand of rotation simultaneously, thereby relative its S. A. with handle of handle attaching parts is completely fixed with respect to described S. A..

(4) description of drawings

Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing, so that more understand these and other purpose, feature and advantage of the present utility model in depth.In institute's drawings attached, identical parts use same reference numerals, related direction in space all with the moving direction of two-wheel car as forward reference direction.

The block diagram of the preferred embodiment of the folding two-wheel car that Fig. 1 has a handle device for the utility model is a kind of.

Fig. 2 is a three-dimensional exploded view, the folding device of collapsible two-wheel car thereby demonstration front vehicle frame and back vehicle frame link to each other rotatably, and the connecting bridge that front vehicle frame and back vehicle frame are fixedly linked separably.

Fig. 3 A and 3B and Fig. 4 A and 4B are the part figure that part is cut open, the front vehicle frame, back vehicle frame, handle, handle attaching parts, the location status of link before two-wheel car is folding that show the utility model one embodiment respectively, wherein Fig. 3 A and 3B second retainer that shows the use location retainer that can support the handle attaching parts is arranged at the embodiment of front vehicle frame, and second retainer that Fig. 4 A and 4B show the use location retainer that can support the handle attaching parts is arranged at second embodiment of back vehicle frame.

Fig. 5 A and 5B are lateral plan, show respectively when two-wheel car folds, and mention handle, the mutual close state of front-wheel and trailing wheel, and behind folding the finishing, the handle attaching parts is stabilized the state of supporting.

Fig. 6 is a lateral plan, when second retainer that demonstration can be supported the use location retainer of handle attaching parts is arranged at the back vehicle frame, and the continuous action relation of handle attaching parts and back vehicle frame.

(5) specific embodiment

Below be that example describes embodiment of the present utility model in detail with the two-wheel car.

As shown in Figure 1, as the utility model preferred embodiment, this two-wheel car that can fold comprises: a front-wheel 11; A trailing wheel 12; A vehicle seat 13; The seat cushion bar 14 of a supporting seat; A handlebar 18 and a handle riser 19 that is used for the supported cart handle; A front end is used to connect the front vehicle frame 21 of handle riser 19; Rear end is used to connect the back vehicle frame 22 that trailing wheel 12, front end are used for connecting rotationally front vehicle frame 21 rear ends; The link 23 that they can relatively rotate and interfix that makes that is used to connect front vehicle frame 21, back vehicle frame 22, the one end is fixedly connected on a seat cushion rod bush 15 that is used for supporting seat lining bar 14; A handle 24 and a handle attaching parts 25 that is used for mentioning when folding vehicle frame.

As shown in Figure 2, an end of link 23 is connected in the position near back vehicle frame 22 of front vehicle frame 21 rotationally, and its other end is fixed in seat cushion rod bush 15, and the connection at two ends also can be conversely.In the present embodiment, link 23 is connected in a sleeve pipe T1 who is fixed on the connection intermediate plate S1 of front vehicle frame 21 particularly, and the two ends of sleeve pipe T1 are stretched out and connected intermediate plate S1, so that an end rotatably support of link 23 is thereon, and can be referring to shown in Fig. 5 A.Front vehicle frame 21 is connected according to the counterrotating mode of common rotation axis E1 that can center on them by folding device with back vehicle frame 22, this embodiment is specially: with the sleeve pipe T2 of bottom, front vehicle frame 21 rear ends, be positioned in the middle of a pair of intermediate plate S2 of back vehicle frame 22 front ends.Be provided with 1 group of cooresponding hole H1 at intermediate plate S2.Pass hole H1 and sleeve pipe T2 with pair of rotary shafts cover A1 and A2 respectively along rotation axis E1, lock by screw B1.

Shown in Fig. 3 A and 3B, show handle 24 and the handle attaching parts 25 of two-wheel car when running condition.One end of handle attaching parts 25 is fixedly connected on handle 24, and the other end is connected in intermediate plate S1 rotatably.Partial enlarged drawing 3B is a transparent view, does not show the left part of link 23 among the figure.Therefrom can see, the parts that are fixed in front vehicle frame 21 and are used for connecting handle attaching parts 25 are foregoing intermediate plate S1, in Fig. 2 partial enlarged drawing, have more clearly to show, wherein be provided with 2 irremovable bearing pin A4 and A5 and knock hole H2 that pass intermediate plate S1 both sides at the position relative with front vehicle frame 21.In the present embodiment, at this moment, bearing pin A5 is made up of two parts, be retainer A5A and A5B, wherein, A5A is as first retainer that can support the folding position retainer C1 of handle attaching parts 25, A5B is as second retainer that can support the use location retainer C2 of handle attaching parts 25, in the present embodiment, A5A is the side relative with folding position retainer C1 of bearing pin A5, and A5B is the opposite side of bearing pin A5.The other end of handle attaching parts 25 rotatably is fixed in intermediate plate S1 by bearing pin A4.In the process of bearing pin A4 along direction FC2 rotation, the use location retainer C2 of the projection that the bottom front of handle attaching parts 25 is set is limited its rotation by the first retainer A5B to closing at handle attaching parts 25.Simultaneously, a spring pin A3 also is set in the bottom front of handle attaching parts 25, with its as the auxiliary retainer of use location with sealed as the knock hole H2 of the 3rd retainer, avoiding handle attaching parts 25 is the rotation of FC1 direction along other directions.When inserting knock hole H2, spring pin A3 produces a bias force, the deadweight of this bias force opposing handle 24 and handle attaching parts 25 and prevent that them from rotating around bearing pin A4 under the effect of gravity, the elastic force design that is spring pin A3 only need make handle 24 and handle attaching parts 25 because of the self gravitation effect gets final product around bearing pin A4 rotation, and this bias force can be overcome by portable strength again and make spring pin A3 break away from knock hole H2 simultaneously.Like this, when two-wheel car was folding, handle 24 can be easy to drive spring pin A3 and withdraw from from knock hole H2, thereby transferred the state that can center on bearing pin A4 rotation to, and its reverse sealed process is also very light accurately.In Fig. 3 A and 3B, handle 24 only is connected with front vehicle frame 21 rotationally with handle attaching parts 25, and can lock in running condition and folded state.Link 23 be connected in seat cushion rod bush 15 and separable connection structure TC through having quick disassembling function with after vehicle frame 22 removably link to each other, locking subsequently, be not shown specifically in this constructional drawing, this connection also can be finished by prior art constructions, as long as can reach removably the purpose that links to each other, locks subsequently.Show among the figure, handle attaching parts 25 can break away from described seat cushion rod bush 15 and rotate separately around bearing pin A4, be that handle attaching parts 25 takes to separate setting with link 23, thereby make handle 24 and handle attaching parts 25 needn't carry cyclist's weight loading, to reduce the material design strength and the structure design difficulty of handle 24 and handle attaching parts 25 with link 23.

Fig. 4 A and 4B show that then two-wheel car is under running condition, second retainer that contacts with the use location retainer that can support handle attaching parts 25 is arranged at the form of back vehicle frame 22, be specially: this moment with the periphery wall arc surface C3 of handle attaching parts 25 as the use location retainer, the level and smooth periphery wall C4 of the connection structure TC of vehicle frame 22 is as second retainer after being positioned at, because described C3 and C4 all have smooth surface character, certain that therefore will make both on it is a bit with tangent form contact, therefore use location retainer C3 is supported by the second retainer C4, and handle attaching parts 25 is restricted when bearing pin A4 rotates along the FC1 direction.To be positioned at the auxiliary retainer of the protruding periphery wall C2 of handle attaching parts 25 bottom front simultaneously as the use location, with the position A5B of bearing pin A5 as the 3rd retainer, applying by auxiliary retainer C2 and the 3rd retainer A5B, handle attaching parts 25 is restricted when bearing pin A4 rotates along the FC2 direction, thereby makes handle attaching parts 25 under the two-wheel car running condition, be stabilized placement.

Shown in Fig. 5 A, during the folding two-wheel car, remove the clamped condition of device for quickly disassembling TC, link 23 is dumped forward around sleeve pipe T1 with driving seat cushion bar 14 and seat cushion rod bush 15 globalities, can see in conjunction with Fig. 3 B again, hold zone under handle 24 positions vertical owing to be positioned at the cyclist as the bearing pin A4 of S. A., and horizontal midway location near handle 24, when this has just guaranteed that the cyclist mentions handle 24, wrist needn't rotate, only need apply strength upwards, by gravity just can make handle attaching parts 25 rotate around bearing pin A4 is relative respectively with front vehicle frame 21, the rear end of front vehicle frame 21 is elevated simultaneously, the front end that drives back vehicle frame 22 is elevated, and front vehicle frame 21 is rotated around rotation axis E1 is relative respectively with back vehicle frame 22, and front-wheel 11 and trailing wheel 12 are close mutually.Fig. 5 B shows, along with handle attaching parts 25 rotates along direction FC1 around bearing pin A4, spring pin A3 is by withdrawing among the knock hole H2, simultaneously, be positioned at the close gradually bearing pin A5 of retainer C1 on handle attaching parts 25 perisporiums, until the supporting of being fitted by the A5A of bearing pin A5, handle attaching parts 25 relative front vehicle frame connecting element S1 approximately revolve and turn 90 degrees.This just forms: mention handle 24 from the cyclist, finish until two-wheel car is folding, the state that handle attaching parts 25 is supported by bearing pin A5, in this course, handle 24 can be all the time and the ground keeping parallelism, and cyclist's wrist needn't be rotated, and palm needn't produce mobile, and remain the centre of the palm towards ground, make cyclist's folding operation become comfortable stable.

Shown in Fig. 3 A and Fig. 5 A, in the two-wheel car running condition, because link 23 is positioned at the zone line of wheel base, S. A. one end that handle 24 and S. A. bearing pin A4 thereof is arranged at link 23 is that the sleeve pipe T1 and the other end are the zone between the quick detach locking device TC, after can making two-wheel car folding, mentality of designing according to " 1/2nd doublings ", make the optimized top area that is in two-wheel car of bearing pin A4, make handle 24 obtain the height suitable to greatest extent apart from ground, make the cyclist when the two-wheel car that moves after folding, keep reasonable comfortable posture, reduce the load of bending over.Handle 24 is incorporated in the interior zone of link 23 simultaneously, can provide the free outer design space for two-wheel car.In Fig. 3 A, the extreme higher position of handle 24 is arranged to link 23 and can be rotated relative to it with seat cushion rod bush 15, and pivot pin A4 is arranged on the below of handle 24, but front vehicle frame 21 with the back vehicle frame 22 be connected rotary axle box above.

As shown in Figure 6, the retainer that can support the use location retainer of handle attaching parts 25 is arranged at back vehicle frame 22, its advantage is to make handle attaching parts 25 and front vehicle frame 21 and back vehicle frame 22 to have continuous action relation when two-wheel car is folding, be specially: expand in the process of running condition by folded state at two-wheel car, be that front vehicle frame 21 drives bearing pin A4 around the suitable direction FC1 rotation of S. A. E1, back vehicle frame 22 drives connection structure TC and rotates along direction FC2 around S. A. E1, the bearing pin A4 and the second retainer C4 are close gradually, at this moment, the use location retainer C3 of handle attaching parts 25 will inevitably contact with the second retainer C4, because described C3 and C4 all have smooth surface character, use location retainer C3 is contacted with the tangent form of curved surface with the second retainer C4, continuous transformation along with the point of contact, make the second retainer C4 in the process of S. A. E1 along direction FC2 rotation, promoting use location retainer C3 rotates along direction FC2 around bearing pin A4, thereby the laying state when making handle attaching parts 25 progressively tend to the two-wheel car use is promptly shown in Fig. 4 B.Such continuous action relation meaned at two-wheel car by the process later stage that is folded to expansion, even the cyclist does not contact handle, also can be by front vehicle frame and back vehicle frame rotary manipulation toward each other, and the stable laying state when making handle finally be returned to two-wheel car to use.

In sum, a kind of handle device that is used for the folding two-wheel car that the utility model provides has the following advantages:

Be convenient folding set handle, function is independent, and is simple in structure, both can be easily accurately fixing, also can mention rotation easily.Roll simultaneously mutually near this committed step from operation front-wheel and trailing wheel, the cyclist only needs with the parts of handle as unique contact two-wheel car, mention handle by one hand and can accurately finish whole operations continuously easily, can avoid cyclist's finger to be run over and injure simultaneously by the two-wheel car parts.The handle S. A. is positioned at the cyclist and holds position under handle position vertical, and midway location near level, therefore can guarantee that the cyclist is when finishing with all operations that handle contacts, wrist needn't rotate, palm needn't produce mobile, and remaining the centre of the palm towards ground, this becomes simple comfortable stable with regard to the folding operation that makes the cyclist, and the handle that is stabilized support can become the dependence that the cyclist promotes two-wheel car and controls its sense of motion.

Handle and S. A. thereof are arranged at two-wheel car the most close wheel base position intermediate when folding, thereby make handle obtain the height suitable apart from ground to greatest extent, make the cyclist keep rational comfortable posture when mobile two-wheel car, reduce the load of bending over.Handle is arranged at the zone line of front vehicle frame and the back link that links to each other of vehicle frame, takes up room with minimizing, for the miscellaneous part of link periphery provides more free outer design environment.

As from the foregoing, provide a kind of handle device that is used for the folding two-wheel car according to the utility model, the characteristics of have low cost, easily implementing have comfortable good operability simultaneously, make convenient, quick, the accurate and safety of folding process.

The above is the detailed description of preferred embodiment of the present utility model; be not to be used for limiting scope of the present utility model; all scopes of the present utility model should be as the criterion with described claim scope; the embodiment and the approximate construction of all similar variations of being done in the claim scope all should be contained in the protection domain of the present utility model.

Claims

1. handle device that is used for the folding two-wheel car, wherein said folding two-wheel car comprises the seat cushion rod bush of a front vehicle frame and a back vehicle frame and a supporting seat lining bar, the rear end of front vehicle frame links to each other by a rotary axle box rotatably with the front end of back vehicle frame, described handle device comprises that a handle and an end are fixedly connected on the handle attaching parts of handle, is characterized in that:

The other end of described handle attaching parts is connected in one of described front vehicle frame or back vehicle frame rotationally by a S. A. that is connected in one of front vehicle frame or back vehicle frame, described S. A. is arranged to described handle attaching parts can break away from described seat cushion rod bush around described S. A. rotation, at described handle attaching parts folding position retainer and at least one use location retainer that is positioned on the handle attaching parts perisporium is set

2. according to the handle device of claim 1, it is characterized in that: also comprise a junction spare, the one end is connected in one of front vehicle frame or back vehicle frame by a S. A. in rotating mode, the other end removably is fixedly connected on another of front vehicle frame or back vehicle frame, go back the described seat cushion rod bush of captive joint simultaneously, described handle attaching parts S. A. is arranged on the below of handle, described connection front vehicle frame and the back vehicle frame rotary axle box above, the position of described handle is arranged to described seat cushion rod bush and can be rotated relative to described handle around its S. A. with described link.

3. according to the handle device of claim 2, it is characterized in that described handle attaching parts S. A. is arranged on the midway location at handle two ends.

4. according to the handle device of claim 2, it is characterized in that in the running condition of two-wheel car, described handle S. A. is between the described two ends of described link.

According to the handle device of claim 2, it is characterized in that 5, in the running condition of two-wheel car, described handle is between the described two ends of described link.

6, according to the handle device of claim 1, it is characterized in that, at described handle attaching parts the auxiliary retainer in one use location is set, at described first connecting element one the 3rd retainer is set, when two-wheel car is in running condition, auxiliary retainer in described use location and the engagement of described the 3rd retainer make handle attaching parts and handle be subjected to the restriction of positive and negative two hand of rotation simultaneously with respect to described S. A., thereby relative its S. A. with handle of handle attaching parts are completely fixed.