CN201012732Y

CN201012732Y - Bicycle handle grip fixation constitution

Info

Publication number: CN201012732Y
Application number: CNU2007200016151U
Authority: CN
Inventors: 赖庆铨
Original assignee: WEIKE VEHICLE INDUSTRY Co Ltd
Current assignee: WEIKE VEHICLE INDUSTRY Co Ltd
Priority date: 2007-01-18
Filing date: 2007-01-18
Publication date: 2008-01-30
Anticipated expiration: 2017-01-18

Abstract

A bicycle handlebar sleeve fixing structure includes a hard plastic inner casing, a soft plastic outer casing, at least a metal lacing part and at least a locking bolt. The ring-shaped end surface of the free end of the hard plastic inner casing is equipped with at least one arc-shaped locating bump in an extruding way. A first radial width is arranged between the bump and a round opening. The ring-shaped end surface on the relative side of the metal lacing part is correspondingly equipped with at least one arc-shaped locating groove in a concave way. And a second radial width, which is almost equal to the first radial width, is arranged between the groove and an inner ring face. The second radial width can accommodate the arc-shaped locating bump to be at an embedded insert locating status. When the locking bolt is locked tightly, the inner ring face of the metal hoop is in whole contact with the bicycle handle bar in a tight way. Therefore, the urgent tight force of the metal hoop is improved, and the rotation of the hard plastic inner casing is limited effectively.

Description

The bicycle handle sleeve fixture construction

Technical field

The utility model is relevant with a kind of bicycle component, more detailed it, be meant a kind of bicycle handle sleeve and handlebar fixture construction of fastening force to each other that improves especially.

Background technology

Press; can wear the fixing grip that can grip for the rider on the handlebar that Regular Bicycle is made by metallic material; this grip is distinguished soft grip and hard grip; this soft grip integral body is made by the soft plastic material; and be tight with on the handlebar; these do not need with any soft grip shortcoming of tightening member a lot of; so non-the utility model is discussed category; mainly formed as for this hard grip by the outside soft plastic shell that coats of a hard plastic inner casing; and for this hard plastic inner casing is fixed on the handlebar; to prevent the rotation of skidding; usually can utilize the various members of tightening to tighten secure free end; as US Patent number the 6th; 263; 759B1 number patent case; promptly disclosed a kind of fixture construction of grip expressly; it is vertical projection of utilizing hard plastic inner casing free end to extend from inner surface radial direction; and utilize the projection that forms relatively on the metal hoop inside face to receive groove and set mutually to each other; when locking bolt on the metal hoop is screwed, the packing of hard plastic inner casing can be fixed on the handlebar.

Only, has big friction drag between common metal surface and metal surface, friction drag between plastic cement surface and metal surface is less, therefore, the projection of extending from inside face on the hard plastic inner casing free end of above-mentioned US Patent case, and the projection that takes shape in inside face on the metal hoop receives groove, both constituted sets structure, to the contact friction area that belong between metal hoop inside face and handlebar outside face between the metal surface be reduced, and weaken metal hoop and the handlebar power of tightening to each other, even if it painstakingly receives projection groove and is made as the non-form that runs through, attempt improves the contact friction area between the metal surface, but in fact still dislike not enough, when particularly being applied to vigorous exercise or contest, perhaps, can remedy by the width that increases metal hoop inside face again, but also increased weight and material cost relatively, and influenced overall aesthetics.

Summary of the invention

Main purpose of the present utility model is to provide a kind of bicycle handle sleeve fixture construction, and the inner ring surface of metal tightening piece can contact the packing handlebar all sidedly, makes to have bigger contact friction area to each other, can improve the fastening force of metal tightening piece.

Secondary objective of the present utility model is to provide a kind of bicycle handle sleeve fixture construction, can limit the hard plastic inner casing effectively and rotate, and grip can be fixedly positioning.

For reaching above-mentioned purpose, a kind of bicycle handle sleeve fixture construction of the utility model includes a hard plastic inner casing, a soft plastic shell, at least one metal tightening piece, and at least one locking bolt; Be equipped with at least one arc locating convex block on the free-ended annular end face of this hard plastic inner casing, and be separated with one first radial width mutually with circular open, then be concaved with at least one arc detent on the annular end face of this metal tightening piece opposite side relatively, and be separated with second radial width that is substantially equal to first radial width mutually with inner ring surface, can be intercalation location shape in order to hold this arc locating convex block.

Grip fixture construction provided by the utility model, when the locking of locking bolt, because the inner ring surface of this metal tightening piece can contact the packing handlebar all sidedly, make and have bigger contact friction area to each other, therefore, can improve the fastening force of metal tightening piece, limit this hard plastic inner casing simultaneously effectively and rotate, grip can be fixedly positioning.

Description of drawings

Fig. 1 is the grip outward appearance assembly drawing of the utility model first embodiment.

Fig. 2 is the grip three-dimensional exploded view of the utility model first embodiment, and shows two arc locating convex blocks and an arc detent.

Fig. 3 is hard plastic inner casing and the soft plastic shell one free-ended side plan view of the utility model first embodiment.

Fig. 4 is the metal hoop side plan view of the utility model first embodiment.

Fig. 5 is the longitudinal sectional drawing that the handle of the utility model first embodiment is placed in the hoop position.

Fig. 6 is that the grip of the utility model first embodiment is combined in behind the handlebar in the longitudinal sectional drawing at hoop position.

Fig. 7 is the transverse cross-sectional view after the grip of the utility model first embodiment is combined in handlebar.

Fig. 8 is the outward appearance assembly drawing that the grip of the utility model first embodiment is combined in handlebar.

Fig. 9 is that the utility model second embodiment grip is combined in behind the handlebar in the longitudinal sectional drawing at hoop position, and shows an arc locating convex block and an arc detent.

Figure 10 is that the utility model the 3rd embodiment grip is combined in behind the handlebar in the longitudinal sectional drawing at hoop position, and shows two arc locating convex blocks and two arc detents.

Figure 11 is the three-dimensional exploded view of the utility model the 4th embodiment grip.

Figure 12 is that the utility model the 4th embodiment grip is combined in behind the handlebar in the longitudinal sectional drawing at metal arc clevis piece position.

The specific embodiment

At first, see also Fig. 1, Fig. 2, the bicycle handle sleeve fixture construction of the utility model first embodiment, this grip mainly include a hard plastic inner casing 10, a soft plastic shell 20, two metal tightening pieces and two locking bolts 40; Below be at the explanation one by one of above-mentioned composition structure:

This hard plastic inner casing 10, please consult Fig. 3 again, be by the made hollow tubular that is of hard plastics, and have two

free ends

11,11 of these free ends are penetrated with a sleeve joint hole 12 that can be set in metal handlebar 50, respectively be formed with an annular end face 13 around the circular open 121 at these sleeve joint hole 12 two ends, present embodiment is to be equipped with two respectively along the circumferential direction to extend and the arc locating convex block 14 of standoff distance d on these annular end face 13, is separated with one first radial width S1 mutually between the inner radial wall of this arc locating convex block 14 and circular open 121 inside faces.

This soft plastic shell 20 be made by the soft plastic material, and one is coated on the outside face of this hard plastic inner casing 10, can provide hand to grip.

These metal tightening pieces are please consulted Fig. 4 again, and the metal tightening piece of present embodiment is made of c-shaped metal hoop 30 respectively, and have the annular end face 32 and an inner ring surface 33 of a breach 31, two opposite sides; Wherein, these breach 31 1 sidewalls are provided with a perforation 311, and another opposing sidewalls is provided with a screw 312; These metal hoops 30 are concaved with an arc detent 34 that along the circumferential direction extends respectively on the annular end face 32 of relative 10 liang of free ends 11 of hard plastic inner casing, the radially internal groove side wall of this arc detent 34 is separated with one second radial width S2 mutually with 33 of inner ring surfaces, be substantially equal to the first radial width S1 of this hard plastic inner casing 10, simultaneously, the two arc locating convex blocks 14 that the big I in the space of this arc detent 34 is held on these hard plastic inner casing 10 relative free ends 11 simultaneously are intercalation location shape, as shown in Figure 5, wherein, have minim gap between the arc detent 34 radial outside walls of present embodiment and arc locating convex block 14 opposing sidewalls, help the assembling of holding to each other.

These bolts 40 that lock, can pass from the breach 31 1 sidewalls perforation 311 of this metal hoop 30 respectively, establish locking with screw 312 spiral shells of opposing sidewalls again, and can be with these breach 31 two opposite side walls toward the direction of closing packing, but make the 31 full face contact packings of metal hoop 30 inner ring surfaces be arranged in handlebar 50 outside faces 51 of this hard plastic inner casing 10,, simultaneously these hard plastic inner casing 10 restrictions are fixed on the handlebar 50 rotationally to shown in Figure 8 as Fig. 6.

See also Fig. 9, the bicycle handle sleeve fixture construction of the utility model second embodiment, roughly identical with first embodiment, its difference be will be originally on this hard plastic inner casing 10 each annular end face 13 separately two arc locating convex blocks 14 of shape link to each other and form whole arc locating convex blocks 14, it still can be contained in the arc detent 34 on each relative metal hoop 30 be intercalation location shape.

See also Figure 10, the bicycle handle sleeve fixture construction of the utility model the 3rd embodiment, roughly identical with first embodiment, its difference is single arc detent 34 on the annular end face 32 with these metal hoops 30, change two arc detents 34 independent of each other into, make its two arc locating convex blocks 14 that can hold this hard plastic inner casing 10 individually be intercalation location shape.

See also Figure 11, Figure 12, the bicycle handle sleeve fixture construction of the utility model the 4th embodiment, roughly identical with first embodiment, its difference is this metal tightening piece by script one metal hoop 30, change two independences into and be semi-moon shaped metal arc clevis piece 301 respectively, each metal arc clevis piece 301 is formed with the annular end face 32 and an inner ring surface 33 of two opposite sides equally, and have two free ends 35 respectively, simultaneously, 35 breach 31 that respectively are formed with an appropriate intervals of these metal arc clevis piece 301 wantonly two relative free ends, make each metal tightening piece have two breach 31, be respectively equipped with a perforation 351 and one screw 352 in addition on wantonly two opposed free ends 35, more be provided with an arc detent 34 on one or both annular end face 32 of wantonly two relative metal arc clevis pieces 301, can be intercalation location shape for the arc locating convex block 14 that holds this hard plastic inner casing 10; In view of the above, can be respectively pass perforation 351 on wantonly two relative metal arc clevis piece 301 free ends 35 by a locking bolt 40, screw 352 mutual spiral shells on relative with another the again free end 35 are established locking, the two metal arc clevis pieces 301 that make relative combination be hoop-like can press from both sides packing handlebar 50 outside faces 51 of pulling by inner ring surface 33 comprehensively, simultaneously these hard plastic inner casing 10 restrictions are fixed on the handlebar 50 rotationally.

The utlity model has a plurality of features and advantage, first is characterised in that the arc locating convex block 14 of this hard plastic inner casing 10 is separated with one first radial width S1 mutually with 121 of circular opens, arc detent 34 on this metal tightening piece also is separated with one roughly in the second radial width S2 of the first radial width S1 mutually with 33 of inner ring surfaces, so, can make arc locating convex block 14 away from opening 121 inside faces, this arc detent 34 also can break away from inner ring surface 33, therefore, can make when the metal tightening piece is locked bolt 40 lockings, its inner ring surface 33 can contact all sidedly tightens handlebar 50 outside faces 51, and the contact friction area bigger with respect to common constitution can be provided, to improve friction drag to each other, especially 50 of this metal tightening piece and handlebars are with the metal surface contact friction to be done in the metal surface, more can use raising packing intensity to each other, make the metal tightening piece can press from both sides securely to pull and be packed on the handlebar 50.

Second of the utility model is characterised in that the arc locating convex block 14 of this hard plastic inner casing 10 is that horizontal intercalation is positioned in the arc detent 34 of metal tightening piece, therefore, as long as this metal tightening piece can press from both sides to pull and be packed on the handlebar 50, just can limit this hard plastic inner casing 10 effectively and rotate, make drive grip safer.

The 3rd arc detent 34 that is characterised in that this metal tightening piece of the utility model, can adopt the non-form that runs through, so, after the metal tightening piece is assembled in handlebar 50, arc locating convex block 14 on this hard plastic inner casing 10 just can hold and is hidden in the arc detent 34, and has the assembling aesthetic property.

The 4th of the utility model is characterised in that between this hard plastic inner casing 10 and metal tightening piece, be to do horizontal intercalation location with arc locating convex block 14 and arc detent 34, make this metal tightening piece and handlebar 50 outside faces 51 can do the full face contact friction and be principle, therefore, these arc locating convex blocks 14 are not limit with the size and the quantity of arc detent 34, and can be according to the condition different choice on the real material or on the specification suitable size and quantity.

In sum, the utility model has its splendid progressive practicality in fact in like product, simultaneously all over looking into domestic and international technical materials about this class formation, also finding no identical construction in the document exists formerly, be to have possessed novel patent requirement, file an application in accordance with the law so that, the utility model is real.

But the above only is the preferable possible embodiments of number of the present utility model, changes so use the equivalent structure that the utility model specification sheets and claim do such as, ought to be included in the claim of the present utility model.

Claims

1. bicycle handle sleeve fixture construction is characterized in that: include:

One hard plastic inner casing, be to be hollow tubular, and have two free ends, be penetrated with a sleeve joint hole that can be set in handlebar between these free ends, respectively be formed with an annular end face around this sleeve joint hole both ends open, and be extruded with an arc locating convex block that along the circumferential direction extends on the annular end face, be separated with one first radial width mutually between this arc locating convex block and opening inside face;

One metal tightening piece, but snare and has the annular end face of at least one breach, two opposite sides around the free-ended handlebar of hard plastic inner casing, and inner ring surface; Wherein be concaved with an arc detent that along the circumferential direction extends on the annular end face of a side, be separated with one second radial width mutually between this arc detent and inner ring surface, equal first radial width of hard plastic inner casing, and the arc detent can be intercalation location shape for the arc locating convex block that holds the hard plastic inner casing;

One locking bolt, with the locking that stretches through mutually of the breach two opposite side walls of this metal tightening piece, but make the packing of metal tightening piece inner ring surface full face contact be arranged in the handlebar outside face of this hard plastic inner casing, simultaneously the restriction of hard plastic inner casing is fixed on the handlebar rotationally.

2. bicycle handle sleeve fixture construction as claimed in claim 1 is characterized in that: wherein this metal tightening piece is made of a c-shaped metal hoop, and has the annular end face and an inner ring surface of a breach, two opposite sides.

3. bicycle handle sleeve fixture construction as claimed in claim 2, it is characterized in that: wherein the annular end face of this hard plastic inner casing is provided with an arc locating convex block, be provided with an arc detent on the annular end face of this metal hoop relatively, can be for holding this arc locating convex block.

4. bicycle handle sleeve fixture construction as claimed in claim 2, it is characterized in that: wherein the annular end face of this hard plastic inner casing is provided with the two arc locating convex blocks of being separated by preset distance, be provided with an arc detent on the annular end face of this metal hoop relatively, can hold two arc locating convex blocks simultaneously.

5. bicycle handle sleeve fixture construction as claimed in claim 2, it is characterized in that: wherein the annular end face of this hard plastic inner casing is provided with the two arc locating convex blocks of being separated by preset distance, be provided with the two arc detents of being separated by preset distance on the annular end face of this metal hoop relatively, can hold this relative arc locating convex block individually.

6. bicycle handle sleeve fixture construction as claimed in claim 1 is characterized in that: more include a soft plastic shell that is coated on this hard plastic inner casing outside face, can grip for hand.

7. bicycle handle sleeve fixture construction as claimed in claim 1 is characterized in that: wherein the breach two opposite side walls of this metal tightening piece is respectively equipped with a perforation and a screw, makes this locking bolt establish locking with the mutual spiral shell of screw again from passing.

8. bicycle handle sleeve fixture construction as claimed in claim 1, it is characterized in that: wherein this metal tightening piece is to be semi-moon shaped metal arc clevis piece by two to be constituted with the butt joint of free end appropriate intervals, and have two breach, and each metal arc clevis piece all has the annular end face and an inner ring surface of two opposite sides.

9. bicycle handle sleeve fixture construction as claimed in claim 8, it is characterized in that: wherein the annular end face of this hard plastic inner casing is provided with an arc locating convex block, wherein be provided with an arc detent relatively on the annular end face of a metal arc clevis piece, can be for holding this arc locating convex block.

10. bicycle handle sleeve fixture construction as claimed in claim 8, it is characterized in that: wherein the annular end face of this hard plastic inner casing is provided with two corresponding arc locating convex blocks, the annular end face of these metal arc clevis pieces is provided with an arc detent respectively relatively, can hold relative arc locating convex block individually.