CN201501490U

CN201501490U - Combined upper cover of toothless headset

Info

Publication number: CN201501490U
Application number: CN2009202165249U
Authority: CN
Inventors: 林文华
Original assignee: HONGGUANG INDUSTRY Co Ltd
Current assignee: HONGGUANG INDUSTRY Co Ltd; VP Components Co Ltd
Priority date: 2009-09-18
Filing date: 2009-09-18
Publication date: 2010-06-09
Anticipated expiration: 2019-09-18
Also published as: WO2011032332A1

Abstract

The utility model relates to a combined upper cover of a toothless headset. The combined upper cover comprises a tightening ring and an outer cover, wherein the outer cover is integrally formed and combined on the external part of the tightening ring. The utility model has the advantages that the number of the parts of the upper headset structure, the assembling convenience is increased, the assembling operation processes are reduced, the assembling speed is increased, the assembling stability is increased and the like.

Description

The combined type loam cake of anodontia headstock bowl group

Technical field

The utility model is relevant with the headstock bowl group of bicycle, more detailed it, be loam cake about this pearl bowl group.The combined type loam cake that the utility model proposed is that three of a kind of loam cake with known pearl bowl group, bunching ring and waterproof rings etc. are constructed the compound technology of one that is.

Background technology

As Fig. 1, to describe the bowl of going up of known headstock bowl group and construct, bowl structure comprises one bowl of seat 21, a steel ball ring 22 1, a pearl rail 222, a bunching ring 23 and a loam cake 24 on this.This bowl seat 21 is incorporated into the top of pipe 93 before, this steel ball ring 221 fills in this bowl seat 21, this pearl rail 222 is assembled on this steel ball ring 221, one standpipe of front fork 90 is worn pivot and manage 93 before this, this bunching ring 23 is set in outside this standpipe of front fork 90, and the urgent inwall that is incorporated into this pearl rail 222, this loam cake 24 is set in outside this standpipe of front fork 90, and cooperate the assembling of the first vertical tube 91 of car and suppress this bunching ring 23 downwards, make bunching ring 23 compacting this pearl rail 222 of location and this steel ball ring 221, and tighten this standpipe of front fork 90, make whole bowl structure and the vehicle head tube spare acquisition location of going up.These loam cake 24 inwalls are provided with a rubber ring 25, are closely tied in the tube wall of this standpipe of front fork 90, and reach the oil sealing function.

The above-mentioned assembling flow path of going up the bowl structure is to implement with following step haply:

Step 1, pipe 93 top before bowl seat 21 is combined in;

Step 2 is loaded steel ball ring 221 in this bowl seat 21;

Step 3 is assembled in pearl rail 222 on this steel ball ring 221;

Step 4 fills in bunching ring 23 on this pearl rail 222;

Step 5 is incorporated into this loam cake 24 with rubber ring 25;

Step 6 is covered in loam cake 24 on this bunching ring 23;

Step 7 by the first vertical tube 91 of fixing car, makes loam cake 24 to lower compression bunching ring 23, thereby makes this bunching ring 23 compacting this pearl rail 222 of location and this steel ball ring 221, and tightens this standpipe of front fork 90.

Can know by inference by above-mentioned steps, the known bowl of going up is configured with more than six spare parts, and each spare part is just assembled with a step, and spare part quantity makes the step of assembling flow path become various, and therefore assembling prolongs man-hour.

Based on known headstock bowl group go up the bowl structure because of the spare part quantity numerous and diverse problem of assembling flow path of deriving more, the utility model proposes the conception of combined type loam cake.

Summary of the invention

The purpose of this utility model is, a kind of combined type loam cake of anodontia headstock bowl group is provided, and it has to reduce goes up the spare part quantity that bowl is constructed, increase the assembling convenience, reduce the assembling operation flow process, accelerate assembling speed, and promote multiple advantages such as assembling steadiness.

The utility model

A kind of combined type loam cake of anodontia headstock bowl group is characterized in that: this combined type loam cake comprises a bunching ring and the one-body molded exterior enclosing cover of this bunching ring that is incorporated into.

Wherein: this bunching ring is by piece is connected in this enclosing cover with the predetermined space annular arrangement the inwall of tightening of at least two lobe shapes.

Wherein: this enclosing cover is the integrated structure of elastomeric material.

Wherein: this enclosing cover has several connecting portions that protrude to center position, and moulding connects adjacent in twos this and tightens piece respectively.

Wherein: the relative binding site of this enclosing cover and this bunching ring has a chimeric relatively groove and a flange.

Wherein: this bunching ring has one and extends axially the fastening portions that protrudes from this cover bottom portion.

Wherein: this fastening portions has press face under the bevelled.

Pass through said structure, the utility model combined type loam cake has reduced the spare part quantity of last bowl structure, concrete minimizing the number of assembling steps of last bowl structure, thereby have the assembling of increasing convenience, reduce the assembling operation flow process, accelerate assembling speed and promote advantages such as assembling steadiness.

For ease of explanation the utility model represented central idea in above-mentioned novel content one hurdle, express with specific embodiment now.Various different objects system is described in the ratio that is suitable for illustrating, size, deflection or displacement among the embodiment, but not is drawn in the ratio of actual components, close chat earlier bright.And in the following description, similar elements is to represent with identical numbering.

Description of drawings

Fig. 1 is that the bowl of going up of known headstock bowl group is constructed.

Fig. 2 describes the three-dimensional appearance of the utility model combined type loam cake with first visual angle.

Fig. 3 describes the three-dimensional appearance of the utility model combined type loam cake with second visual angle.

The section-drawing of Fig. 4 the utility model combined type loam cake.

Fig. 5 the utility model combined type loam cake is assembled in the three-dimensional exploded view of headstock bowl group.

Fig. 6 the utility model loam cake is assembled in the generalized section of headstock bowl group.

The specific embodiment

As Fig. 2, Fig. 3, the utility model combined type loam cake comprises a bunching ring 30 and one-body molded this bunching ring 30 exterior enclosing covers 40 that are incorporated into.

This bunching ring 30 is tightened

piece

31,32 by several lobe shapes, and 33 are arranged in annulus structure.This enclosing cover 40 is connected to these and tightens

piece

31,32 so that the rubber material is formed connected, the ring-shaped edge of 33 upper ends, and this enclosing cover 40 has several connecting portions 41 that protrude to center position, take shape in the adjacent in twos

piece

31,32 of tightening respectively, between 33, with the

adjacent piece

31,32 of tightening in twos, 33 couple together.

As Fig. 3 and Fig. 4, the relative binding site of this enclosing cover 40 and this bunching ring 30 have can be chimeric relatively groove 45 and flange 35, increase this enclosing cover 40 according to this and take shape in this bunching ring 30 combination stability when outside, and reach the effect of water-tight.This bunching ring 30 has one and extends axially the fastening portions 36 that protrudes from these enclosing cover 40 bottoms, and the outer wall of this fastening portions 36 has press face 37 under the bevelled.

As Fig. 5, Fig. 6, the scheme drawing of bowl tectonic association on the utility model combined type loam cake and the bicycle.The bowl structure be should go up and known bowl seat 50, steel ball ring 51 and pearl rail 52 comprised.The utility model is preset as one group of bearing unit 53 with this bowl seat 50, steel ball ring 51 and this pearl rail 52, and this bearing unit 53 is assembled in preceding pipe 93 tops of bicycle, and a standpipe of front fork 90 is worn pivot and managed in 93 before this.The utility model combined type loam cake is set in this standpipe of front fork 90 and is assembled on the pearl rail 52 of this bearing unit 53, the outside face of this fastening portions 36 contacts the vertical inner edge surface 521 of this pearl rail 52, and press face 37 is contacted with the last press face 522 of these pearl rail 52 relative tilts under this bevelled.This enclosing cover 40 is covered with the top of whole bowl seat 50 relatively.The first vertical tube 91 of one car is set in the epimere of this standpipe of front fork 90, and suppresses this combined type loam cake downwards, and this combined type loam cake is located these bearing unit 53 compactings, and tightens this standpipe of front fork 90.

One adopts the assembling flow path of going up the bowl structure of the utility model combined type loam cake, generally implements with following step:

Step 1, pipe 93 top before bearing unit 53 is combined in;

Step 2 is assembled in the combined type loam cake on this bearing unit 53;

Step 3 by the first vertical tube 91 of fixing car, is suppressed this combined type loam cake downwards, thereby makes bunching ring 30 compacting this pearl rail 52 of location and this steel ball ring 51, and tightens this standpipe of front fork 90.

From above-mentioned number of assembling steps as can be known, the utility model and the known assembling flow path of going up the bowl structure have reduced by four number of assembling steps.The utility model combined type loam cake has reduced the spare part quantity of last bowl structure, concrete minimizing the number of assembling steps of last bowl structure, thereby have the assembling of increasing convenience, reduce the assembling operation flow process, accelerate advantages such as assembling speed.

When the utility model combined type loam cake is located by first vertical tube 91 compactings of this car, contact guiding by the following press face 37 of the last press face 522 of this pearl rail 52 and this bunching ring 30 relative, each that forces this bunching ring 30 tightened

piece

31,32,33 produce bundle to center position contract mobile, and the connecting portion 41 of crimp connection each rubber material therebetween.Because this connecting portion 41 is to be connected the perpendicular piece 31 of adjacent in twos bundle, between 32,33, for the atoll texture of whole bunching ring 30, this connecting portion 41 is equally spaced settings, and this connecting portion 41 is the rubber material with enclosing cover 40, therefore can make and respectively tighten

piece

31,32, the moving average of contracting of 33 bundle, and then make this bunching ring 30 produce bundle to the center position strength that contracts, and when tightening this standpipe of front fork 90, the center of proofreading and correct this standpipe of front fork 90.

The utility model combined type loam cake is gone up bunching ring, the loam cake in the bowl structure and is built on three spare parts of rubber waterproof ring in this loam cake known, with the assembly be the technological meansization of one whole be a member.Therefore, an Assembly Action is promptly located oil sealing, bunching ring and three spare parts of loam cake simultaneously simultaneously, and reach and tighten standpipe of front fork, standpipe of front fork proofreaies and correct the center, go up that a bowl structure water-tight is dustproof, steel ball ring and pearl rail location, promote multi-efficiencies such as assembling steadiness.

Though the utility model is to do explanation with a most preferred embodiment, is skillful in this skill person and can makes various multi-form changes not breaking away under the utility model spirit and the category.Above illustrated embodiment is only in order to explanation the utility model, and is non-in order to limit scope of the present utility model.Such as do not disobey various modifications or the variation that the utility model spirit is engaged in, all belong to the utility model claim.

Claims

1. the combined type loam cake of an anodontia headstock bowl group, it is characterized in that: this combined type loam cake comprises a bunching ring and the one-body molded exterior enclosing cover of this bunching ring that is incorporated into.

2. the combined type loam cake of anodontia headstock bowl group according to claim 1, it is characterized in that: this bunching ring is by piece is connected in this enclosing cover with the predetermined space annular arrangement the inwall of tightening of at least two lobe shapes.

3. as the combined type loam cake of anodontia headstock bowl group as described in the claim 2, it is characterized in that: this enclosing cover is the integrated structure of elastomeric material.

4. as the combined type loam cake of anodontia headstock bowl group as described in the claim 3, it is characterized in that: this enclosing cover has several connecting portions that protrude to center position, and moulding connects adjacent in twos this and tightens piece respectively.

5. the combined type loam cake of anodontia headstock bowl group according to claim 1, it is characterized in that: the relative binding site of this enclosing cover and this bunching ring has a chimeric relatively groove and a flange.

6. the combined type loam cake of anodontia headstock bowl group according to claim 1, it is characterized in that: this bunching ring has one and extends axially the fastening portions that protrudes from this cover bottom portion.

7. as the combined type loam cake of anodontia headstock bowl group as described in the claim 6, it is characterized in that: this fastening portions has press face under the bevelled.