CN201325556Y - Pipe plug tightening device for bicycle - Google Patents
Pipe plug tightening device for bicycle Download PDFInfo
- Publication number
- CN201325556Y CN201325556Y CNU2008201766677U CN200820176667U CN201325556Y CN 201325556 Y CN201325556 Y CN 201325556Y CN U2008201766677 U CNU2008201766677 U CN U2008201766677U CN 200820176667 U CN200820176667 U CN 200820176667U CN 201325556 Y CN201325556 Y CN 201325556Y
- Authority
- CN
- China
- Prior art keywords
- beam tube
- bicycle
- fastening device
- clamping base
- pipe close
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000012856 packing Methods 0.000 claims abstract description 34
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 8
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 239000013585 weight reducing agent Substances 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
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- Clamps And Clips (AREA)
Abstract
A tube plug packing device of a bicycle comprises a tube bundle, a packing seat and a pressing cover which are respectively embedded and abutted to two ends of the tube bundle, and a packing bolt which passes through the pressing cover and is screwed on the packing seat; the utility model is mainly characterized in that a convex rib is convexly arranged on the inner peripheral wall of the beam tube, and a plurality of concave grooves which can form a clamp with the convex rib are concavely arranged at intervals on the packing seat, thereby effectively achieving the effects of weight reduction, material saving, simplified operation and the like; the utility model discloses further the open end that lacks the groove of several ways that will locate the beam tube designs into upper and lower crisscross configuration form, lets press to support the lid and compel tight seat and can compel tight the beam tube to strut from the both ends of beam tube equilibrium, produces compelling the effect of blocking effectively on the comprehensive ground.
Description
[technical field]
The utility model is to install and link the pipe close Fastening device that uses about a kind of enough parts of bicycle that apply to, particularly about a kind of pipe close Fastening device of easy and simple to handle and weight-saving bicycle.
[background technology]
Handle vertical pipe (stem) and the installation between the front fork tube for bicycle link, tradition generally is to utilize modes such as seeing through packing crow department or blossom type claw washer to install and fix, but frame member trend weight-saving development tendency along with bicycle, increasing frame member for example adopts composite materials such as carbon fiber, so as to utilizing composite material light weight, characteristic that intensity is high, significantly improve the quality and the usefulness of bicycle.
Yet owing to the superficial hardness of the frame member that constitutes with composite material is lower, no matter be the packing washer of local pressure packing, or destroy the blossom type claw washer of structural pipe wall easily, all be not suitable for the bicycle frame pipe that constitutes with composite material, must adopt the disclosed inner bearing type compacting structures of patent case such as being similar to No. the 322013rd, TaiWan, China Announcement Number that binding is installed.Moreover, though the requirement of product quality is improved, patent case such as TaiWan, China certificate number M318560 number for example, present bicycle mudguard also gradually adopts the pipe close of inner bearing type to construct installing and locating.
See also shown in Figure 6ly, existing pipe close formula Fastening device roughly is to comprise in a tubular form the clamp holder 80 of collar 90, in order to will strut packing, and a packing bolt 70; Wherein, this collar 90 is interval with several short slot 91 and forms several pieces supporting plates 92 in side face, this clamp holder 80 is to be made as conical bulk forms, and convex with several fin 81 corresponding to each short slot 91 of collar 90, this packing bolt 70 is to pass collar 90 and pull in the nut 82 in position, clamp holder 80 axle center with embedding to be screwed, utilize packing bolt 70 interlock clamp holders 80 with the mode that collar 90 struts, reach with collar 90 packings and be resisted against tube wall and fixing effect.
Yet the structure of pipe close formula packing is as shown in Figure 6 implementing still to have the problem and the restriction of the following stated in the utilization:
1. existing clamp holder 80 convexes with several fin 81 in scalene cone, when installing and using, must in advance each fin 81 be aligned each short slot 91 that is embedded in collar 90, installs and uses comparatively trouble inconvenience.
2. existing clamp holder 80 convexes with several fin 81 in scalene cone, waste material too not only, and can cause the effectively lightweight of pipe close formula packing structure.
3. the collar 90 of existing pipe close formula packing structure is to adopt single-ended packing form, and not only packing is relatively poor in conjunction with effect, and exists stress too to concentrate and may injure the problem of composite pipe.
[utility model content]
For the pipe close formula packing that solves existing bicycle is configured with about the comparatively not enough and restriction of waste material, not enough lightweight and single-ended packing, the utility model provides a kind of novel pipe close device that applies to bicycle.
The utility model mainly is that clamping base outwards is convexly equipped with the form of several fin and is changed over the form that is arranged with an above chase by existing, so as to expendable weight and saving in material consumption, and cooperate direct internal perisporium to be convexly equipped with fin one in beam tube, allow the chase of clamping base can automatic shift and be equipped in the fin of beam tube, allow manipulating of pipe close Fastening device more easy effectively.
The utility model further provides a kind of pipe close Fastening device that can produce the bicycle of comprehensive packing effect, it is upper and lower interconnected form that the utility model further is designed to open end with each short slot of beam tube, cooperation has compressing of the oblique portion of awl equally and covers design, allows each supporting plate of beam tube can produce the balance packing effect of comprehensive ground effectively.
The technological means that the utility model used is the pipe close Fastening device that is to provide a kind of bicycle, is to comprise:
One beam tube, it is the hollow pipe fitting that is longitudinal extension, it is that one of opening form is worn groove that this beam tube forms two ends in the hollow part, axially extended fin more than this internal perisporium of wearing groove convexes with together, and form the oblique surface of wealthy shape gradually outwardly in this internal perisporium of wearing at least one end of groove, the perisporium of this beam tube is interval with several and extends axially and an end is the short slot of open end, allows the perisporium branch of this beam tube be set as several pieces supporting plates;
One clamping base is that bigger end external diameter is worn the conical block of groove internal diameter greater than this, and the position, axle center of this clamping base is provided with a screw and outer peripheral face forms the oblique portion of an awl, bores oblique portion in this and is concaved with axially extended chase more than one;
One compresses lid, is that bigger end external diameter is worn the conical block of groove internal diameter greater than this, and this position, axle center that compresses lid is provided with the perforation of an internal diameter greater than the set screw of this clamping base, and outer peripheral face forms the oblique portion of an awl; And
One packing bolt is to pass this perforation that compresses lid and the wearing groove of this beam tube and the screw that is screwed together in this clamping base.
Aforesaid pipe close Fastening device, wherein the open end of each short slot is to go to upper and lower interconnected form, and fin is to be positioned at the internal perisporium of beam tube towards clamping base one end.
Aforesaid pipe close Fastening device, the oblique portion of awl that wherein compresses lid is concaved with several axially extended chase at interval, and radially is convexly equipped with the ring flange of formation one circle external diameter greater than beam tube in compressing the end that is placed on outwardly.
The pipe close Fastening device of bicycle that the utility model provides, advantage that can obtain and effect enhancement comprise:
1. the utility model is concaved with an above chase in the oblique portion of awl of clamping base, can alleviate the weight of clamping base, and the saving in material consumption, allows the pipe close Fastening device produce the weight-saving effect effectively.
2. the utility model is convexly equipped with fin one in the internal perisporium of beam tube, cooperates the oblique portion of the awl design of clamping base, allows one of them chase of clamping base can automatic shift and form blocking with fin, simplifies the convenience of pipe close Fastening device fitting operation effectively.
3. the utility model several short slot that will be positioned at beam tube is designed to open end and goes to upper and lower interconnected form, cooperation has compressing of the oblique portion of awl equally and covers and clamping base, allow compress lid and clamping base can be from the two ends of beam tube with each supporting plate evenly packing strut, produce the packing clip effect on comprehensive ground effectively.
[description of drawings]
Fig. 1 is the three-dimensional structure diagram of the utility model first preferred embodiment.
Fig. 2 is the composition component decomposition map of the utility model first preferred embodiment.
Fig. 3 is the combination section of the utility model first preferred embodiment.
Fig. 4 is the three-dimensional structure diagram of the utility model second preferred embodiment.
Fig. 5 is the composition component decomposition map of the utility model second preferred embodiment.
Fig. 6 is the three-dimensional appearance constructional drawing of the pipe close Fastening device of existing bicycle.
(10) beam tube (11) is worn groove
(12) short slot (13) supporting plate
(14) oblique surface (15) fin
(20) clamping base (21) screw
(22) bore oblique portion (23) chase
(30) compress lid (31) perforation
(32) bore oblique portion (33) ring flange
(40,70) packing bolt
(80) clamp holder (81) fin
(82) nut
(90) collar (91) short slot
(92) supporting plate
[specific embodiment]
Being can detail knowledge technical characterictic of the present utility model and practical effect, and can implement according to the content of specification sheets, further with as the preferred embodiment shown in graphic, describes in detail as the back now:
First preferred embodiment of the pipe close Fastening device of bicycle that the utility model provides is as shown in Figure 1, 2, and it is to comprise that a beam tube 10, a clamping base 20, compress and cover 30 and one packing bolt 40; Wherein:
This beam tube 10 is the hollow pipe fittings that constitute and be longitudinal extension with materials such as aluminum alloys, the hollow part of this beam tube 10 form two ends be the opening form wear groove 11, and be interval with several in the perisporium of this beam tube 10 and extend axially and an end is the short slot 12 of open end, be set as several pieces supporting plates 13 so as to perisporium branch with this beam tube 10, the open end of each short slot 12 of preferred embodiment is designed to upper and lower interconnected form as shown in the figure, and one short slot that will be wherein is designed to upper and lower end and is open end; This beam tube 10 is made as outwardly the gradually oblique surface 14 of wealthy shape being positioned at the internal perisporium of wearing groove 11 two ends, and is provided with axially extended fin 15 together in the middle hypomere position male of these beam tube 10 internal perisporiums;
This clamping base 20 be with materials such as aluminum alloy constitute and bigger end external diameter greater than these beam tube 10 set conical blocks of wearing groove 11 internal diameters, and be provided with one in the position, axle center and wear the screw 21 that screws togather for this packing bolt 40, the outer peripheral face of this clamping base 20 is set as the oblique portion 22 of awl that can form coupling with these beam tube 10 set oblique surfaces 14, and axially extended chase 23 more than being concaved with together in the oblique portion of awl 22 intervals, embodiment as shown in the figure is concaved with four road chases 23 in this clamping base 20;
This compress cover 30 be with materials such as aluminum alloy constitute and bigger end external diameter greater than these beam tube 10 set conical blocks of wearing groove 11 internal diameters, and be provided with a perforation 31 of passing through for this packing bolt 40 in the position, axle center, this compresses and covers 30 outer peripheral face is to be set as the oblique portion 32 of awl that can form coupling with these beam tube 10 set oblique surfaces 14, and, can be concaved with several axially extended chase at interval in the oblique portion 32 of awl based on considerations such as expendable weight and saving in materials;
This packing bolt 40 is to pass this in regular turn to compress the screw 21 that covers 30 perforation 31 and the wearing groove 11 of this beam tube 10 and be screwed together in this clamping base 20, constitutes as shown in Figure 1 pipe close Fastening device so as to group.
See also Fig. 1 to shown in Figure 3, the utility model is when installing and using, needn't be in advance the chase 23 of clamping base 20 be aligned the fin 15 that snaps in beam tube 10, utilize the oblique portion of awl 22 designs of clamping base 20, can drive by packing bolt 40 and during the deflection displacement at clamping base 20, directly allow the fin 15 automatic clips of beam tube 10 in one of them chase 23 of clamping base 20, fitting operation is considerably easy easily, and utilize compress cover 30 with clamping base 20 can the while to bore oblique portion 32,22 produce the effect that supports to arrive in corresponding oblique surface 14, allow compress cover 30 and clamping base 20 can be from the two ends of beam tube 10 with each supporting plate 13 evenly packing strut, produce the packing clip effect on comprehensive ground effectively.Moreover the utility model is in clamping base 20 and compress 30 the oblique portion 22,32 of awl of covering and be concaved with an above chase 23, can alleviate clamping base 20 effectively and compress and cover 30 weight and saving in material.
See also the utility model second preferred embodiment shown in Fig. 4,5, in this embodiment, compress in this and to cover 30 top radial outward and be convexly equipped with and form the ring flange 33 of a circle external diameter greater than this beam tube 10, allow compress and cover 30 ends that can be resisted against bicycle pipe part (not shown in the figures), use so as to cooperating multi-form installation requirements with ring flange 33.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, have in the technical field under any and know the knowledgeable usually, if in the scope that does not break away from technical characterictic that the utility model is carried, utilize technology contents that the utility model discloses to do the local equivalent embodiment that changes or modify, and do not break away from technical characterictic content of the present utility model, all still belong in the scope of the utility model technical characterictic.
Claims (7)
1. the pipe close Fastening device of a bicycle is characterized in that: comprising:
One beam tube, it is the hollow pipe fitting that is longitudinal extension, it is that one of opening form is worn groove that this beam tube forms two ends in the hollow part, axially extended fin more than this internal perisporium of wearing groove convexes with together, and form the oblique surface of wealthy shape gradually outwardly in this internal perisporium of wearing at least one end of groove, the perisporium of this beam tube is interval with several and extends axially and an end is the short slot of open end, allows the perisporium branch of this beam tube be set as several pieces supporting plates;
One clamping base is that bigger end external diameter is worn the conical block of groove internal diameter greater than this, and the position, axle center of this clamping base is provided with a screw and outer peripheral face forms the oblique portion of an awl, bores oblique portion in this and is concaved with axially extended chase more than one;
One compresses lid, is that bigger end external diameter is worn the conical block of groove internal diameter greater than this, and this position, axle center that compresses lid is provided with the perforation of an internal diameter greater than the set screw of this clamping base, and outer peripheral face forms the oblique portion of an awl; And
One packing bolt passes this perforation that compresses lid and the wearing groove of this beam tube and is screwed together in the screw of this clamping base.
2. the pipe close Fastening device of bicycle as claimed in claim 1, it is characterized in that: the open end of described each short slot is to go to upper and lower interconnected form.
3. the pipe close Fastening device of bicycle as claimed in claim 2, it is characterized in that: described fin is positioned at the internal perisporium of described beam tube towards described clamping base one end.
4. the pipe close Fastening device of bicycle as claimed in claim 3, it is characterized in that: described clamping base is concaved with the described chase in four roads at interval.
5. as the pipe close Fastening device of claim 1 or 2 or 3 or 4 described bicycles, it is characterized in that: the described oblique portion of awl that compresses lid is concaved with several axially extended chase at interval.
6. the pipe close Fastening device of bicycle as claimed in claim 5 is characterized in that: the described end that is placed on outwardly that compresses radially is convexly equipped with and forms the ring flange of a circle external diameter greater than described beam tube.
7. as the pipe close Fastening device of claim 1 or 2 or 3 or 4 described bicycles, it is characterized in that: the described end that is placed on outwardly that compresses radially is convexly equipped with the ring flange of formation one circle external diameter greater than described beam tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201766677U CN201325556Y (en) | 2008-11-11 | 2008-11-11 | Pipe plug tightening device for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201766677U CN201325556Y (en) | 2008-11-11 | 2008-11-11 | Pipe plug tightening device for bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201325556Y true CN201325556Y (en) | 2009-10-14 |
Family
ID=41177532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201766677U Expired - Lifetime CN201325556Y (en) | 2008-11-11 | 2008-11-11 | Pipe plug tightening device for bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201325556Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963898A (en) * | 2013-02-05 | 2014-08-06 | 王志扬 | Bicycle used packing structure and semi-ring member thereof |
| CN105923095A (en) * | 2016-05-24 | 2016-09-07 | 陈明佑 | Tightening device for bicycle tube |
-
2008
- 2008-11-11 CN CNU2008201766677U patent/CN201325556Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963898A (en) * | 2013-02-05 | 2014-08-06 | 王志扬 | Bicycle used packing structure and semi-ring member thereof |
| CN105923095A (en) * | 2016-05-24 | 2016-09-07 | 陈明佑 | Tightening device for bicycle tube |
| CN105923095B (en) * | 2016-05-24 | 2018-08-14 | 陈明佑 | Bicycle tube tightening device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091014 |