CN2183955Y

CN2183955Y - Locking pipe for bicycle handle

Info

Publication number: CN2183955Y
Application number: CN 93235565
Authority: CN
Inventors: 高玉桢
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-12-17
Filing date: 1993-12-17
Publication date: 1994-11-30
Anticipated expiration: 2003-12-17

Abstract

The utility model relates to a handle locking pipe of a bicycle. The end of the handle locking pipe is provided with a straight tapered annular hole which is used for a lantern ring with a tapered outer wall to be contacted in. A topped tapered nut and a tapered ring seat are sheathed in a supporting pipe in advance. A pushing ring sheet is arranged in the straight tapered annular hole of the locking pipe. A top cap, the pushing ring sheet, a casing cover, the tapered annular seat and the topped tapered nut are locked tightly by being penetrated by an up guiding nut, and the locking pipe and the supporting pipe are matched tightly. When the utility model is disassembled, the deformation of the pushing ring sheet can be produced by an up guiding bolt lock, and the utility model can be loosen just by making use of reacting force to push aside the casing cover and the supporting pipe.

Description

Locking pipe for bicycle handle

The utility model relates to a kind of handle of bicycle locking tube, is that the closing component structure to locking tube and support tube is improved specifically.

The closing component structure of known handle of bicycle locking tube and support tube, mainly be to run through two ratchet nuts by a hexagonal bar iron, and establish a packing ring in terminal spiral shell, utilize packing ring to make to draw on the hexagonal bar iron sealed, be able to roof pressure ratchet nut when sealed with the set step surface of hexagonal bar iron upper end, promptly be locked in the support tube after making it produce distortion, make the handgrip locking tube thereby be locked on the support tube, and this support tube lower end cooperates the collar and bearing to be connected on the bicycle front fork tube in addition, makes it to turn to flexibly driving.

Above-mentioned known structure, because the ratchet nut is after the compressing distortion, though can obtain locating effect, so because of promptly can't reinstatement after being out of shape, cause to dismantle at all and pull out, so then must whole group change once any member is impaired, cause meaningless waste unavoidably, so obviously its integral structure is not reasonable and practical.

Main purpose of the present utility model is to provide a kind of handle of bicycle locking tube, and handgrip locking tube and support tube are closely locked, and makes its structure more simplify rationally.

A time purpose of the present utility model provides a kind of handle of bicycle locking tube, can easily it be unloaded and changes member, need not put in order group and change and abandoning, to avoid meaningless waste.

According to the utility model, a kind of handle of bicycle locking tube is provided, this locking tube locks and connects with the support tube that draws bolt and bicycle front fork tube upper end on a top cover, a upper shield, a taper ring seat, the frustoconical nut and, it is characterized in that:

Locking tube, make be located at its front end directly be a from top to bottom gradually big suitable conical ring face to the inwall of annular distance, and this directly opens wide and has a step ring edge to the annular distance upper end;

Top cover, cover locking tube directly to annular distance, central authorities have a lockhole;

Upper shield, its outer wall also are a from top to bottom gradually big conical ring face, and just and locking tube directly to the annular distance corresponding matching;

The taper ring seat is located in the support tube, and profile is a ㄇ shape taper approximately, has a mesopore, and inwall is a suitable conical surface shape;

The frustoconical nut be able to be sheathed within the taper ring seat;

On draw bolt, run through top cover and pass the taper ring seat in regular turn and screw togather locking, thereby locking tube closely is locked on the support tube with the frustoconical nut.

According to handle of bicycle locking tube of the present utility model, it is characterized in that leaving an annular gap after the locking of this upper shield and locking tube fit, be inserted in a ring bolt to seal this gap at this annular gap.

According to handle of bicycle locking tube of the present utility model, it is characterized in that this taper ring seat can offer twice or the vertical grooving more than the twice on its wall, and establish block can cooperate vertical grooving of this taper ring seat at frustoconical nut outer wall appropriate location.

According to handle of bicycle locking tube of the present utility model, it is characterized in that establishing between this upper shield and the support tube pushing ring plate, form an annular distance in these pushing ring plate central authorities, and offer a radial grooving by this annular distance periphery, and the grooving end runs through the body periphery of pushing ring plate, this pushing ring plate is formed by means of cutting apart of grooving by several half-phases connect the state that the cambered surface sheet links to each other with annular distance.

Following conjunction with figs. describes embodiment of the present utility model in detail:

Figure 1 shows that the combination stereogram of the utility model embodiment.

Figure 2 shows that exploded perspective view of the present utility model.

Figure 3 shows that combination section of the present utility model.

Figure 4 shows that the utility model disassembling section scheme drawing.

Cause the loosening action scheme drawing of member when Figure 5 shows that the utility model dismounting.

Figure 6 shows that another embodiment block diagram of pushing ring plate in the utility model.

As shown in Figures 1 and 2, the utility model is to design at the connection structure between the support tube 3 of handle of bicycle locking tube 1 and preceding front fork tube 2 upper ends, by directly on a top cover 4 that is provided with on the annular distance 11, a upper shield 5, a pushing ring plate 6, a taper ring seat 7, a frustoconical nut 8 and, the drawing bolt 9 and formed of this locking tube 1 front end, wherein:

Locking tube 1, its front end are a from top to bottom gradually big conical ring face to the internal diameter of annular distance 11 directly, and this directly has a step ring edge 111 to annular distance 11 upper end open, and the end of locking tube 1 then has a C shape lock ring 12 to pass and the handle of bicycle that locks;

Top cover 4 covers on the above-mentioned locking tube 1 setly directly to annular distance 11, and its central authorities are provided with a lockhole 41;

Upper shield 5, its external diameter are all from top to bottom gradually big conical ring face, and just and above-mentioned locking tube 1 directly to annular distance 11 corresponding matching, make upper shield 5 by directly being inserted in promptly to deviate from from the other end to annular distance 11 1 ends;

Pushing ring plate 6 has suitable thickness, is provided with a mesopore 61, and is that a cross grooving 62 or other suitable staggered grooving are offered in the center with mesopore 61, in order to enter locking tube 1 front end directly in annular distance 11 and be resisted against on the inwall of step ring edge 111;

Taper ring seat 7 as shown in Figure 3, is located in the support tube 3, and its profile is a ㄇ shape taper approximately, and is provided with a mesopore 71, and its inwall also is a suitable conical surface shape, and in offering twice or the vertical grooving 72 more than the twice in addition on the wall;

Frustoconical nut 8, it be able to be sheathed in the mesopore of above-mentioned taper ring seat 7 and suitably post the location, and its center then has a screw 81, and the outer wall appropriate location is to establish block 82 to locate with vertical grooving 72 that can be matched with taper ring seat 7;

On draw bolt 9, it runs through top cover 4 and passes pushing ring plate 6, taper ring seat 7 and frustoconical nut 8 in regular turn and screw togather locking, make on the frustoconical nut 8 addendum cone shape ring seat 7 utilize the stressed expansion of vertical grooving and be clamped in the support tube 3 thereby more than draw the locking mode, thereby and then this locking tube 1 closely is locked in finishes work in combination (promptly shown in Figure 3) in the support tube 3

If, can be inserted in a ring bolt 13 to seal this annular gap (as shown in Figure 3) at this czermak space in directly cooperating and the locking back combines end at two members and leaves an annular gap of above-mentioned upper shield 5 and locking tube 1 to annular distance 11.

When needs are dismantled, at first loosen and extract out and draw bolt 9 so that top cover 4 is taken out in advance, but locking tube 1 directly to annular distance 11 inwalls, upper shield 5 and support tube 3 still closely cooperate owing to the urgent expansion of taper ring seat 7 and frustoconical nut 8 is, at this moment, can be again will on draw bolt 9 and lock this frustoconical nut 8, and firmly screw downwards (showing) as Fig. 4 application of force direction, when on draw and then form an antagonistic force downwards when bolt 9 is screwed, force upper shield 5 simultaneously so can force pushing ring plate 6 to be forced to distortion, support tube 3 directly backs down a distance to annular distance 11 together with locking tube 1, so make between member and produce loosening (as shown in Figure 5), thereby can more easily decompose and dismantle, help the replacing or the adjustment of member, reason can't not form the wasting phenomenon that whole group abandons by removal.

The adjacent cross grooving 62 offered of the mesopore 61 of pushing ring plate 6 is to be triangular shape short slot (promptly shown in Figure 2) as mentioned above, outwards is gradually-reducing shape along mesopore 61 peripheries, and the end of this cross grooving 62 is near the body perisporium of pushing ring plate 6; In addition, according to the utility model, this pushing ring plate can further suitably change, promptly as shown in Figure 6, pushing ring plate 6 ' central authorities form an annular distance 61 ', make annular distance 61 ' by its periphery offer a radial grooving 62 ', and the grooving end run through pushing ring plate 6 ' the body perisporium, so pushing ring plate 6 ' by means of grooving 62 ' cut apart and promptly form the cambered surface sheet 63 that connects by several half-phases ' with annular distance 61 ' state links to each other, if this, when on to draw the bolt 9 downward application of forces sealed so that force this pushing ring plate 6 ' when deforming, then described four half-phases connect cambered surface sheet 63 ' promptly up perk is backed down a distance with upper shield 5 and support tube 3 together with members such as locking tubes 1, also can facilitate member loosening so that decompose dismounting locking tube 1.

Claims

1, a kind of handle of bicycle locking tube, this locking tube (1) locks and connects with the support tube (3) that draws bolt (9) and bicycle front fork tube (2) upper end on a top cover (4), a upper shield (5), a taper ring seat (7), the frustoconical nut (8) and, it is characterized in that:

Locking tube (1), make be located at its front end directly be a from top to bottom gradually big suitable conical ring face to the inwall of annular distance (11), and this directly opens wide and has a step ring edge (111) to annular distance (11) upper end;

Top cover (4), cover locking tube (1) directly to annular distance (11), central authorities have a lockhole (41)

Upper shield (5), its outer wall also are a from top to bottom gradually big conical ring face, and just and locking tube (1) directly to annular distance (11) corresponding matching;

Taper ring seat (7) is located in the support tube (3), and profile is a ㄇ shape taper approximately, has a mesopore (71), and inwall is a suitable conical surface shape;

Frustoconical nut (8) be able to be sheathed within the taper ring seat;

On draw bolt (9), run through top cover and pass taper ring seat (7) in regular turn and screw togather locking, thereby locking tube (1) closely is locked on the support tube (3) with frustoconical nut (8).

2, handle of bicycle locking tube as claimed in claim 1, it is characterized in that between this upper shield (5) and support tube (3), establishing a pushing ring plate (6), make this pushing ring plate (6) have a mesopore (61) and draw bolt (9) and pass, and be that a cross grooving (62) or suitable staggered grooving are offered in the center with mesopore (61) to keep supplying.

3, handle of bicycle locking tube as claimed in claim 1 is characterized in that leaving an annular gap after this upper shield (5) and locking tube (1) fit lock, and is inserted in a ring bolt (13) to seal this gap at this annular gap.

4, handle of bicycle locking tube as claimed in claim 1, it is characterized in that the last vertical grooving (72) offered more than twice or the twice of this taper ring seat (7) Yu Qibi, and establish block (83) can cooperate vertical grooving (72) of this taper ring seat (7) at frustoconical nut (8) outer wall appropriate location.

5, handle of bicycle locking tube as claimed in claim 1, it is characterized in that establishing a pushing ring plate (6 ') between this upper shield (5) and the support tube (3), form an annular distance (61 ') in these pushing ring plate central authorities, and offer a radial grooving (62 ') by this annular distance (61 ') periphery, and grooving (62 ') end runs through the body periphery of pushing ring plate (6 '), this pushing ring plate (6 ') was formed by several half-phases by means of cutting apart of grooving (62 ') connect the state that cambered surface sheet (63 ') links to each other with annular distance (61 ').