CN201800819U

CN201800819U - Pressing device for bicycle

Info

Publication number: CN201800819U
Application number: CN2010202722531U
Authority: CN
Inventors: 余安富; 赖锦宏; 白佩函
Original assignee: LEE CHI MACHINERY CO Ltd
Current assignee: LEE CHI MACHINERY CO Ltd
Priority date: 2010-07-27
Filing date: 2010-07-27
Publication date: 2011-04-20
Anticipated expiration: 2020-07-27

Abstract

The utility model relates to a pressing device suitable for a seat cushion vertical tube of a bicycle or a handle vertical tube and other parts, which mainly comprises a tube seat, a positioning component, a clamping part penetrating through the tube seat and the positioning component, a pair of pressing covers and a compressing bolt. The positioning component is provided with two positioning rings oppositely embedded and butted against the two sides of the tube seat; the clamping part penetrates into the tube chase of the tube seat and sleeve holes of the two positioning rings and is pushed by the pair of pressing covers from two ends to be propped against the tube chase and the sleeve holes in expansion and engagement manners; and the positioning component is stably assembled on the tube seat in an angle-adjustable shape in an internal pressing manner.

Description

The urgent device of bicycle

Technical field

The utility model relates to a kind of parts of bicycle, particularly relates to a kind of Fastening device that applies to the bicycle of assembled components such as bicycle saddle tube or standpipe.

Background technology

Present bicycle is in handle vertical pipe (stem) or seat cushion vertical tube parts such as (seat post); generally be provided with the adjustment structure that to adjust setting angle through regular meeting's assembling; about existing adjustment structure design and angular adjustment mode, can consult the Taiwan certificate number and be M360186 number " bicycle seat pole adjustment structure " patent case, Taiwan certificate number and be M372297 number " the seat tubular construction of angle adjustable " patent case and Taiwan certificate number and be shown in M326500 number patent documentation such as " the bicycle profile tube structure of angle adjustable " patent case.

In the disclosed angular adjustment structure of aforementioned each patent documentation, the planform complexity of each member not only, machine-shaping trouble, manufacturing cost are higher, and because adjust between the member is to take recline the mutually engagement and locating of the ring flank of tooth with radiation-like, cooperation between the corresponding ring flank of tooth must be quite accurate, otherwise problems such as loosening or slippage just can take place, be difficult to allow handle vertical pipe or seat cushion vertical tube produce good assembling intensity and steadiness.

The utility model content

For solving the existing bicycle package assembly that possesses the angular adjustment function, problem and restriction about complex structure and assembling steadiness deficiency, main purpose of the present utility model is to provide a kind of Fastening device of bicycle, it is arranged in the tube seat of base and the trepanning of positioning component with a holding piece, and utilize a pair of packing lid to allow holding piece expansion engagement be butted on tube seat and trepanning by the two ends pushing tow, the mode of packing in utilizing easily, allow positioning component firmly be fitted to each other in base, effectively solve the problem of existing package assembly about complex structure and assembling steadiness deficiency with the form of adjustable angle.

The purpose of this utility model is to adopt following technical scheme to realize.

Fastening device according to the bicycle that the utility model proposes comprises:

One base, it has the tube seat that a horizontal cross runs through, and is distributed with serial indentation and forms a mating flank at the internal face of described tube seat;

Certain hyte part, it includes two steady rings that are symmetrical arranged and are posted by described tube seat both sides, and each steady ring runs through and is provided with the trepanning that an aperture is consistent with described tube seat, is distributed with serial indentation and forms a mating flank at the internal face of described trepanning;

One holding piece, it is arranged in the hollow tubular member of described tube seat and two trepannings, its pipe shaft is provided with the profile groove that axially runs through together at least, is distributed with serial indentation and forms a mating flank in the outside wall surface of described holding piece, and be provided with oblique surface at the internal face at the two ends of described holding piece;

Two packings lid, recline relatively and be arranged at the outside of two steady rings, each packing lid has the convex cone piece that a plate and is extended to form by described plate, and described convex cone piece is the oblique surface that is inserted in the corresponding end of described holding piece, and is provided with a combined hole at the shaft core position of described convex cone piece; And

One clamping bolt, it wears the combined hole that is incorporated into two packings lid and can draw the packing of pulling in opposite directions.

The Fastening device of aforesaid bicycle, wherein said tube seat and trepanning are distributed with series at internal face comprehensively and extend axially the strip indentation; Described holding piece is distributed with series in outside wall surface comprehensively and extends axially the strip indentation.

The Fastening device of aforesaid bicycle, wherein said holding piece comprises the supporting plate of the two semi-cylindrical types that are involutory, the position, stage casing of the outside wall surface of each supporting plate, the corresponding bar groove that is provided with more than one, and have more than one elastic band blocked sleeve to be located at the corresponding bar groove of two supporting plates.

The Fastening device of aforesaid bicycle, wherein said base are provided with the joint that extends down one day; And at the top of steady ring that reclines mutually and packing lid, each is concaved with a clip slot accordingly.

The Fastening device of aforesaid bicycle, wherein said positioning component comprise that further one is connected in the transverse tube of two steady rings, and a seat of tightening that is connected in described transverse tube.

The Fastening device of aforesaid bicycle, wherein said steady ring is concaved with a recessed edge in the position of the described trepanning of lateral surface adjacency, and described packing is covered and convex with the protuberance that a coupling is embedded in described recessed edge accordingly on plate.

The Fastening device of bicycle that the utility model provides, the beneficial effect that can obtain comprises:

1. the utility model is directly with the holding piece a pair of steady ring of arranging in pairs or groups, and can reach to allow positioning component be assemblied in the effect of base with the form of adjustable angle, and integral structure is simplified and handling ease, can reduce manufacturing cost effectively.

2. holding piece of the present utility model is engaged in the tube seat of base and the trepanning of positioning component with whole mating flank comprehensively, and it is firm in conjunction with effect to allow positioning component obtain, and promotes fiduciary level and safety that the bicycle spare part is installed combination.

3. the Fastening device that provides of the utility model is to adopt that the packing mode combines in the comprehensive packing ingear of tool, can not destroy the surface texture of pipe fitting, extremely is fit to apply to the bicycle spare part of tool lightweight characteristics such as carbon fiber composite material or aluminum alloy.

Description of drawings

Fig. 1 is the three-dimensional structure diagram of the utility model first preferred embodiment.

Fig. 2 is the component part exploded drawings of the utility model first preferred embodiment.

Fig. 3 is the combination section of the utility model first preferred embodiment.

Fig. 4 is the running condition reference diagram of the utility model first preferred embodiment.

Fig. 5 is the three-dimensional structure diagram of the utility model second preferred embodiment.

Fig. 6 is the component part exploded drawings of the utility model second preferred embodiment.

Fig. 7 is the combination section of the utility model second preferred embodiment.

The specific embodiment

Below cooperate preferred embodiment graphic and of the present utility model, further setting forth the utility model is to reach the predetermined technological means of being taked.

The utility model provides a kind of and can implement to apply in the bicycle parts such as seat cushion vertical tube or handle vertical pipe, apply to first preferred embodiment of seat cushion vertical tube as shown in Figures 1 to 4 for the utility model, as Fig. 5 to Figure 7 shows that the utility model applies to the second preferred real embodiment of handle vertical pipe, in these embodiments, the utility model all includes a base 10/10A, one embedding is against the positioning component 20/20A of base 10/10A, one is arranged in the holding piece 30 of base 10/10A and positioning component 20/20A, a pair of packing lid 40/40A by the relative pushing tow packing in both sides holding piece 30, and a pair of two packings lid 40/40A can being drawn in opposite directions pulled and formed the clamping bolt 50 of packing effect.

In first preferred embodiment as shown in Figures 1 to 4, base 10 is for providing the group seat-joined structure of bicycle saddle cushion installing and locating, it has tube seat 11 that a horizontal cross runs through and the joint 12 that extends down one day, be distributed with series at the internal face of tube seat 11 extends axially the strip indentation and forms a mating flank 111 comprehensively, joint 12 can socket be connected in a pipe A, can be assemblied in the vehicle frame of bicycle thus, certain joint of the present utility model 12 also directly one extend to form a seat pipe A, the utility model is not done specific restriction;

Positioning component 20 includes two symmetrically arranged steady rings 21, each steady ring 21 runs through and is provided with the trepanning 211 that an aperture is consistent with aforementioned tube seat 11, is distributed with series at the internal face of trepanning 211 comprehensively and extends axially the strip indentation and form a mating flank 212; In the present embodiment, two steady rings 21 are posted by the both sides of the tube seat 11 of base 10 relatively, and in the relative outside at the top of two steady rings 21, are concaved with the clip slot 213 that can insert and put a seat cushion hack lever B accordingly;

Holding piece 30 is for being the hollow tubular member that longitudinal extension and external diameter are slightly less than aforementioned tube seat 11, and its pipe shaft is provided with the profile groove that axially runs through together at least, and length approximate greatly or slightly be shorter than tube seat 11 and two trepannings 211 length and; In the present embodiment, holding piece 30 comprises the supporting plate 31 of the two semi-cylindrical types that are involutory, the outside wall surface of each supporting plate 31 is distributed with series comprehensively and extends axially the strip indentation and form a mating flank 311, and the internal face of at both ends is made as outwardly the gradually oblique surface 312 of wealthy shape, and position, stage casing in the outside wall surface of two supporting plates 31, be interval with twice bar groove 313 accordingly, can be located at corresponding bar groove 313 for two elastic band 32 blocked sleeves that are the ring type, allow two supporting plates 31 be combined to form the holding piece 30 of tubulose form with this;

Two packings lid 40 is the symmetrical expression design, and have the plate 41 of a specification respectively greater than aforementioned tube seat 11 external diameters, extend to form a cylindrical-conical convex cone piece 42 by plate 41 one, convex cone piece 42 is connected in the external diameter of bigger end of plate 41 greater than holding piece 30 internal diameters, and is provided with the combined hole 43 that a usefulness wears for clamping bolt 50 at the shaft core position of convex cone piece 42; In the present embodiment, directly wherein the combined hole 43 of the packing of side lid 40 is made as screw, and the combined hole 43 of the packing lid 40 of opposite side is made as the counter sink form, provides the clamping bolt 50 of bolt form with this, directly wears combination with screw thread; In the present embodiment, two packings lid 40 is posted by the outside of corresponding steady ring 21 relatively, and corresponding to the opposite sides at the top of aforesaid clip slot 213, two packings lid 40, is concaved with the clip slot 44 that can insert and put a seat cushion hack lever B accordingly.

As shown in Figures 2 and 3, holding piece 30 is aligned the tube seat 11 that penetrates base 10, then two steady rings 21 and two packings of positioning component 20 are covered 40, be set in the two ends of the holding piece 30 that is positioned at base 10 both sides in regular turn, and be arranged in the combined hole 43 of two packings lid 40 and draw in opposite directions and pull with clamping bolt 50, utilize of the guiding packing design of two packings lid 40 with the corresponding oblique surface 312 of convex cone piece 42 collocation, holding piece 30 can be given packing expansion and allow each supporting plate 31 mating flank 311 comprehensively with the mating flank 111/212 relative engagement of tube seat 11 and trepanning 211, it is firm in conjunction with locating effect to allow two steady rings 21 and two packings lid 40 obtain effectively, and as shown in Figure 3 and Figure 4, further tightly seat cushion hack lever B folder is pulled between corresponding clip slot 213/44, reach effect the bicycle saddle cushion installing and locating; In the time will adjusting angle, as long as this clamping bolt 50 is unclamped slightly, collocation promptly can easyly be adjusted the installing and locating angle of bicycle saddle cushion apace because of the reset response that two elastic band 32 produce, and is considerably convenient and practical and safe and reliable.

As Fig. 5 to second preferred embodiment shown in Figure 7, base 10A is the vertical tube joint design that can combine with bicycle front fork, it has tube seat 11 that a horizontal cross runs through and the joint 13 that extends down one day, be distributed with series at the internal face of tube seat 11 extends axially the strip indentation and forms a mating flank 111 comprehensively, joint 13 can socket be connected on the front fork of bicycle manages, can be connected with bicycle front fork with this, certainly the utility model also can base A be provided with can with pipe on the front fork sealed tighten seat, the utility model is not done specific restriction;

Positioning component 20A includes the steady ring 21 that a transverse tube 22, two was symmetrical arranged and was connected in transverse tube 22 rear ends, and one be connected in transverse tube 22 front ends and can be for Handlebar of bicycle C locking combination tighten seat 23; Wherein, the spacing of two steady rings 21 is roughly wide with the corresponding position of base 10, allow two steady rings 21 can be posted by the both sides of the tube seat 11 of base 10 relatively with this, each steady ring 21 all runs through and is provided with the trepanning 211 that an aperture is consistent with aforementioned tube seat 11, be distributed with series at the internal face of trepanning 211 comprehensively and extend axially the strip indentation and form a mating flank 212, and be concaved with a recessed edge 214 in abutting connection with the position of trepanning 211 at two steady rings, 21 relative lateral surfaces;

The structural form of holding piece 30 is roughly identical with aforementioned first preferred embodiment with assembly relation, no longer repeat specification;

Two packings lid 40A is the symmetrical expression design, and have the plate 41 of a specification respectively greater than aforementioned tube seat 11 external diameters, extend to form a cylindrical-conical convex cone piece 42 by plate 41 one, convex cone piece 42 is connected in the external diameter of bigger end of plate 41 greater than holding piece 30 internal diameters, and be provided with the combined hole 43 that a usefulness wears for clamping bolt 50 at the shaft core position of convex cone piece 42, the outer rim of plate 41 convex with one can with the chimeric protuberance 45 of recessed edge 214 couplings, avoid packing lid 40A to rotate arbitrarily with this; In the present embodiment, directly wherein the combined hole 43 of the packing of side lid 40A is made as screw, and the combined hole 43 of the packing lid 40A of opposite side is made as the counter sink form, provides the clamping bolt 50 of bolt form directly to wear combination with screw thread with this.

As shown in Figure 6 and Figure 7, two steady rings 21 of positioning component 20A are embedded in the both sides of base 10A, then holding piece 30 is aligned the tube seat 11 that penetrates base 10A and the trepanning 211 of steady ring 21, and the two ends that the convex cone piece 42 of two packings lid 40A are intercalated in holding piece 30, be arranged in the combined hole 43 of two packings lids 40A with clamping bolt 50 again and draw in opposite directions and pull, utilize the guiding packing design of two packings lid 40A with the corresponding oblique surface 312 of convex cone piece 42 collocation, holding piece 30 can be given packing expansion and allow each supporting plate 31 mating flank 311 comprehensively with the mating flank 111/212 relative engagement of tube seat 11 and trepanning 211, allow effectively positioning component 20A acquisition firm in conjunction with locating effect; In the time will adjusting angle, as long as clamping bolt 50 is unclamped slightly, collocation promptly can easyly be adjusted the installing and locating angle of Handlebar of bicycle C apace because of the reset response that two elastic band 32 produce, and is considerably convenient and practical and safe and reliable.

The above only is a preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any this area technical personnel, in the scope that does not break away from technical solutions of the utility model, should utilize the technology contents of above-mentioned announcement to make a little change or be modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.

Claims

1. the Fastening device of a bicycle is characterized in that, comprising:

One clamping bolt, it wears the combined hole that is incorporated into two packings lid.

2. the Fastening device of bicycle according to claim 1, it is characterized in that: described tube seat and trepanning are distributed with series at internal face comprehensively and extend axially the strip indentation.

3. the Fastening device of bicycle according to claim 2, it is characterized in that: described holding piece is distributed with series in outside wall surface comprehensively and extends axially the strip indentation.

4. the Fastening device of bicycle according to claim 3, it is characterized in that: described holding piece comprises the supporting plate of the two semi-cylindrical types that are involutory.

5. the Fastening device of bicycle according to claim 4, it is characterized in that: the position, stage casing of the outside wall surface of described two supporting plates, the corresponding bar groove that is provided with more than one, and have more than one elastic band blocked sleeve to be located at the corresponding bar groove of two supporting plates.

6. the Fastening device of bicycle according to claim 5 is characterized in that: be interval with twice bar groove on described supporting plate; The combined hole of described two packings lid is made as a screw and a counter sink respectively.

7. according to the Fastening device of each described bicycle in the claim 1 to 6, it is characterized in that: described base is provided with the joint that extends down one day; And at the top of described steady ring that reclines mutually and packing lid, each is concaved with a clip slot accordingly.

8. according to the Fastening device of each described bicycle in the claim 1 to 6, it is characterized in that: described positioning component comprises that further one is connected in the transverse tube of described two steady rings, and a seat of tightening that is connected in described transverse tube.

9. the Fastening device of bicycle according to claim 8 is characterized in that: described steady ring is arranged with a recessed edge at lateral surface in abutting connection with the position of described trepanning, and the plate of described packing lid is corresponding to be convexly equipped with a protuberance that is embedded in described recessed edge.

10. the Fastening device of bicycle according to claim 1, it is characterized in that: described holding piece comprises the supporting plate of the two semi-cylindrical types that are involutory, the position, stage casing of the outside wall surface of two supporting plates, the corresponding bar groove that is provided with more than one, and have more than one elastic band blocked sleeve to be located at the corresponding bar groove of two supporting plates.