CN102464077A

CN102464077A - Bicycle

Info

Publication number: CN102464077A
Application number: CN2011103237871A
Authority: CN
Inventors: D-I·H·绍尔
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-11-10
Filing date: 2011-10-21
Publication date: 2012-05-23
Also published as: DE102011054696A1; DE202010015272U1

Abstract

Provided is a bicycle (1) which is equipped with a handlebar (10) that can be adjusted corresponding to a front fork (5). The handlebar and the front fork can be respectively connected with the bearing portions (54) of sliding rotary bearing members (13, 51), and can move on a common rotary axis (3). Each bearing portion (54) can be adjusted one of a using position (G) and a stopping position (P) correspsonding to movable performance of each bearing portion. The bearing portions stay in a clamping state or a free state via a detachable connecting device (7). The connecting device is equipped with a detachable clamping device (36). The clamping device is provided with an operation lever (33) which can be adjusted to a trigger position (A) or a clamping position (K). The bicycle is also provided with a protecting device (55) disposed on the connecting device. The protecting device can be adjusted to the clamping position (K) or the trigger position (A).

Description

Bicycle

Technical field

The present invention relates to a kind of bicycle, this bicycle has with respect to the adjustable handlebar of front fork.

Background technology

By the known a kind of bicycle of DE19837972B4, this bicycle has the handlebar that can regulate with respect to front fork, and knownly has a following characteristic:

A) handlebar links to each other with a supporting position of a slip swivel bearing spare respectively with front fork; Wherein handlebar and front fork can move on a common axis of rotation line, and each supports, and position movable property relative to each other is feasible can be adjusted in one of two terminal locations (use location and stop position).The free state that the supporting position of slip swivel bearing spare can be brought mutual regularly slack-free state into or relative to each other can move through releasable connecting device; Wherein, handlebar is positioned at two with respect to front fork and each other revolves basically in one of terminal location of turning 90 degrees.Said connecting device has the fixing device that can dismantle, and said fixing device has control lever, and said control lever can be adjusted to trigger position that causes free state or the clamped position that causes tensioning state.In said bicycle, handlebar can switch to use location (G), promptly transverse to the longitudinal extension of bicycle, or switches to the position of saving the space, is called stop position (P) below, promptly along the direction of the longitudinal extension of bicycle.For example maybe should be in narrow space the time with bicycle parking when the transportation bicycle, said stop position is expected.

Connection between handlebar and the front fork realizes through connecting device, makes that handlebar can the sealed ground of shape with respect to two positions of front fork and be connected in the supporting position as slip swivel bearing spare by means of the seamless unoccupied place of fixing device respectively.This structure has guaranteed that even when not being placed in its clamped position owing to the carelessness fixing device, handlebar also can be arranged with respect to front fork sealedly.

Although utilizing connecting device can adjust the said position of said deflector and can connecting device be installed in the existing bicycle with simple mode reliablely afterwards; But connecting device is made up of the parts of some, and the manufacturing of these parts can cause higher requirement and relevant therewith cost with the processing tolerance.Verified in addition, the operating mode of this connecting device be not conspicuous/self-evident, this makes guide for use must be provided that the result causes limited ease of use.

Summary of the invention

The objective of the invention is, known this bicycle is improved, make it possible to reduce the quantity of essential member and when improving serviceability, realize its simple manufacturing, and realize the operating mode of conspicuous simplification.

The characteristic that provides in the characteristic of said purpose through claim 1 realizes.Through design plan according to the present invention; On the one hand safety device and fixing device are merged into a device; Wherein guaranteed the movable property of handlebar, and additionally the parts of connecting device have been fixed in clamped position and the trigger position through safety device with respect to the front fork that is in use location and stop position respectively.This can realize simplifying when improving safety in operation and the reduction of manufacturing cost, and has realized the operating mode simplified obviously.

Safety device advantageously comprises the locking member with clamp lever relevant supporting position that link to each other, that pass slip swivel bearing spare, each parts of its sealed ground of shape fixed connection apparatus.

Safety device advantageously comprises and can be bearing in the bumper rail on the operating lever with moving; The power that said bumper rail can overcome spring moves to trigger position from clamped position; Wherein, operating lever just can be got into trigger position from clamped position by operation when bumper rail is arranged in trigger position.

A favourable form of implementation of last said bicycle is characterised in that; Supporting position mutual movable property can confirm through guide groove-fixing screw, utilize said guide groove-fixing screw can through axially-order of radial-axial movement step adjusts said supporting position.

Description of drawings

Below through the present invention being explained in the explanation of embodiment with reference to accompanying drawing.Wherein:

Fig. 1 illustrates the front portion of bicycle, and wherein handlebar is in the use location,

Fig. 2 illustrates the bicycle front portion that handlebar is in stop position,

Fig. 3 illustrates the view of bicycle corresponding to the zone of the cutting line IV-IV among Fig. 2,

Fig. 4 is illustrated in the top of the pipe shown in Fig. 3, and wherein antetheca is partly cut open,

Fig. 5 illustrates along the birds-eye view of the pipe of the direction V among Fig. 4,

Fig. 6 is illustrated in the semisectional view of the bearing sleeve shown in Fig. 3,

Fig. 7 is illustrated in the fixing screw shown in Fig. 3 with the projection view of half-twist with the ratio of amplifying,

Fig. 8 illustrates the view according to the cutting line VIII-VIII intercepting among Fig. 3 with the ratio of amplifying,

Fig. 9 illustrates along the view of the direction IX among Fig. 8, and

Figure 10 illustrates the view under another state according to Fig. 8.

The specific embodiment

According to Fig. 1, Fig. 2 and Fig. 3, the front portion of bicycle 1 constitutes has frame tube 2 and the fork arm 4 that can be bearing in the tubulose in the frame tube around rotation axis 3 rotatably.Said fork arm is the constituent elements of front fork 5, and front-wheel 6 is bearing in the front fork.The upper end of fork arm 4 links to each other with head member 8 through the connecting device 7 that the back also will specify, and on said head member, through teat before turning to 9 handlebar 10 is set regularly.

Fork arm 4 has hole 11, pipe, below be called and clamp take over 13 bottom easily but be contained in the said hole near seamless unoccupied place.Clamp adapter 13 and constitute bevelled seamed edge 14, the supporting seamed edge 15 that correspondingly tilts to constitute of columniform clamping element 16 abuts on the said bevelled seamed edge.Clamping element 16 has and equals to clamp the overall diameter of taking over 13 overall diameter.Clamping element 16 17 links to each other with bolt 18 through being threaded in addition.

Clamp adapter 13 (Fig. 4 and Fig. 5) and constitute two

grooves

20,21 that are in the right angle extension on the end 19 above that.These two grooves limit the end face 22 and the end face 23 that distributes as quadrntnt that distribute as 3/4ths circles between them, wherein end face 23 in axial direction further distributes on skew ground towards supporting seamed edge 15 with respect to end face 22.According to Fig. 6, sleeve 24 constitutes hole 25, convexity 26 that has with certain interval receiving bolt 18 and the cavity portion 27 that is used for the head (not shown) of receiving bolt 18.In addition, protruding 26 overall diameter is roughly little 0.5 millimeter than the overall diameter that clamps adapter 13, and being dimensioned to of the cylindrical part of sleeve 24 makes said sleeve easily to be contained in the endoporus (not shown) that clamps adapter 13 with less clearance.Be depicted as in the upper end 19 that is contained in clamping adapter 13 at Fig. 4 middle sleeve 24 usefulness long and short dash lines, its protrusions 26 is bearing on the end face 22.Utilize this arrangement form to form guide groove 29, the convexity of fixing screw 31 (Ansatz) 30 (Fig. 7) is contained in the said guide groove with a gap.Clamp to take over 13 upper end 19 (Fig. 3) is bearing in the support holes 51 of head member 8 and confirms slip swivel bearing spare thus with very little tolerance clearance supporting position.Head member 8 constitutes has cylinder adapter (zylinderstutzen) 52, and said cylinder is taken over and on its length, is penetrated with long and narrow clamping passage 53.

Can comprise the locking member 34 of captiveing joint around the operating lever 33 (Fig. 8, Fig. 9 and Figure 10) that pin 32 supports rotatably with it; When handlebar 10 was among stop position (P) or use location (G), this locking member passed the opening 35,36 of alignment in supporting member, head member 8 and the clamping yoke 45 that clamps adapter 13.

Another constitutes bumper rail 38 around rotation pin 37 rotatably mounted functional elements in operating lever 33 (Fig. 8, Fig. 9 and Figure 10); This bumper rail can be arranged in the guide channel 39 and through the spring 40 that in blind hole, leads with moving and load, thereby makes bumper rail 38 can in use location (G) and stop position (P), all press to the supporting annular distance 41 (Fig. 8 and Figure 10) of fastening bolt 42.Bumper rail 38 constitute have shape embed in the groove 44 of supporting annular distance 41 of fastening bolt 42 sealedly and under the closed condition of connecting device 7 (Fig. 8) prevent the seamed edge 43 that operating lever 33 is freely opened.Have only through bumper rail 38 to overcome spring 40 to the moving release that could realize connecting device 7 of backswing, thus operating lever 33 follow swing (Figure 10) afterwards connecting device 7 open.Operating lever 33 constitutes safety device 55 with locking member 34, bumper rail 38 and other affiliated functional element.

The cylinder of head member 8 is taken over 52 (Fig. 3, Fig. 8 and Figure 10) and upward is provided with clamping yoke 45 by bearing fit, and said clamping yoke remains in its position through pin 46.Said clamping yoke 45 comprises fastening bolt 42 and setting nut 47, utilizes said setting nut can adjust the gripping power of connecting device 7.Two side-prominent pins 32 are bearing in the supporting annular distance 41 of fastening bolt 42 (Fig. 9), and said pin place holds the prong like 48 at its 49 places, hole of operating lever 33.The hole 49 of operating lever 33 is provided with respect to clamping surface 50 prejudicially; When closed procedure lever 33, apply predefined gripping power thus; Said gripping power is taken over 52 through clamping yoke 45 and the cylinder that cracks and is delivered to clamp and takes on 13, and the tolerance clearance and between handlebar 10 and fork arm 4, forming of each element of having eliminated the pairing at supporting position 54 thus is fixedly coupled.This make realized with common bicycle in situation captive joint identical, between front fork 5 and the handlebar 10.Each element of participating in clamping process constitutes fixing device 56.

The principle of work of connecting device 7 is described below: be in the initial position according to serviceable condition shown in Figure 1 from bicycle 1.This moment, handlebar 10 occupied use location (G).

The convexity 30 of fixing screw 31 is arranged in groove 20 in the use location when (G), forms the sealed connection of shape thus.Handlebar 10 is in anti-reverse fixing, accurate and zero-lash fixedly coupling with respect to fork arm 4 thus.In this matching relationship, connecting device 7 is locked, thus if inoperation bumper rail 38, operating lever 33 just can not swung from use location (G) or stop position (P).Have only through overcoming spring 40 bumper rail 38 of pulling back in advance and lean on, could realize release, so that opening operation lever 33 until retaining takes place.

Connecting device 7 allow handlebars 10 from use location (G) switch to stop position (P) on the contrary or.Stop position (P) is shown in Fig. 2, and in this position, handlebar 10 occupies the position that is rotated in a clockwise direction 90 degree.

For handlebar 10 is switched to operation below stop position (P) needs from use location (G):

With thumb bumper rail 38 backswing are leaned on to retaining takes place, use the remainder opening operation lever 33 of the same hand then, until the trigger position (A) that roughly arrives according to Figure 10,

Axially lift handlebar 10 along rotation axis 3, the convexity 30 of fixing screw 31 gets into guide groove 29 from groove 20 thus,

Handlebar 10 is radially revolved along clockwise direction turn 90 degrees, convexity 30 shapes of fixing screw 31 snap in the groove 21 sealedly thus, and,

Make operating lever 33 pendulum get back to its clamped position (K), until hearing that clamping takes place bumper rail 38 according to Fig. 8.

For handlebar 10 is switched to operation below the needs of use location (G) from stop position (P):

Axially lift handlebar 10 along rotation axis 3, the convexity 30 of fixing screw 31 gets into guide groove 29 from groove 21 thus,

Handlebar 10 is radially revolved along anticlockwise direction turn 90 degrees, arrive use location (G) thus,

Axially press down handlebar 10 along rotation axis 3, convexity 30 shapes of fixing screw 31 snap in the groove 20 sealedly thus, and,

Make operating lever 33 pendulum get back to its clamped position (K), until hearing bumper rail 38 clampings according to Fig. 8.

Should point out that for this reason (G) switches to stop position (P) and realize switching on the contrary from the use location in order to make connecting device 7, only need to use a hand, thereby said switching can be implemented through open-and-shut operating mode very simple and apace.

Claims

1. a bicycle (1), this bicycle has the handlebar (10) that can regulate with respect to front fork (5), and this bicycle has following characteristic:

A) said handlebar (10) links to each other with the supporting position (54) of slip swivel bearing spare (13,51) respectively with front fork (5); Wherein said handlebar (10) and front fork (5) can be gone up motion at common axis of rotation line (3); And respectively supporting position (54) movable property relative to each other makes it possible to adjust in one of use location (G) and these two terminal locations of stop position (P)

B) the supporting position (54) of said slip swivel bearing spare (13,51) can get into clamped condition that interfixes or the free state of relative to each other moving through the connecting device (7) that can dismantle; In said free state; Said handlebar (10) can navigate to respect to said front fork (5) and relative to each other revolve each other basically in one of said two terminal locations of turning 90 degrees

C) said connecting device (7) has the fixing device (36) that can dismantle, and said fixing device has operating lever (33), and said operating lever can be adjusted to the trigger position (A) that causes free state or adjust to the clamped position (K) that causes tensioning state,

It is characterized in that said bicycle also has the safety device (55) that is arranged on the said connecting device (7), said safety device can be adjusted to the sealed clamped position (K) of the shape of impede motion step or allow in the trigger position (A) of movement step.

2. bicycle according to claim 1; It is characterized in that; Said safety device (55) has locking member (34); When said handlebar (10) was arranged in use location (G) or stop position (P), said locking member passed the opening (35,36) of supporting member (13,8,45) in the clamped position (K) of said operating lever (33).

3. bicycle according to claim 1 and 2; It is characterized in that; Said safety device (55) has the bumper rail (38) that can be bearing on the said operating lever (33) with moving; The power that said bumper rail can overcome spring (40) gets into trigger position (A) from clamped position (K), and wherein said operating lever (33) just could be got into trigger position (A) from clamped position (K) by operation when said bumper rail (38) is in trigger position (A).

4. bicycle according to claim 1; It is characterized in that; Said position (54) the movable property relative to each other that respectively supports confirms through guide groove, fixing screw (29,31), utilize said guide groove, fixing screw can through axially-order of radial-axial movement step adjusts said supporting position (54).