CN104443131A - Stable positioning structure for bike seat tube - Google Patents
Stable positioning structure for bike seat tube Download PDFInfo
- Publication number
- CN104443131A CN104443131A CN201410693851.9A CN201410693851A CN104443131A CN 104443131 A CN104443131 A CN 104443131A CN 201410693851 A CN201410693851 A CN 201410693851A CN 104443131 A CN104443131 A CN 104443131A
- Authority
- CN
- China
- Prior art keywords
- notch portion
- standpipe
- wide notch
- seat pipe
- bending part
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J1/00—Saddles or other seats for cycles; Arrangement thereof; Component parts
- B62J1/08—Frames for saddles; Connections between saddle frames and seat pillars; Seat pillars
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention relates to the technical field of bike accessories, in particular to a stable positioning structure for a bike seat tube. The structure comprises the seat tube and a stand tube, wherein the stand tube comprises a narrow opening portion, a wide opening portion and a bent portion, the bent portion is arranged between the narrow opening portion and the wide opening portion, the seat tube is embedded in the wide opening portion of the stand tube and extends to the bent portion to stop, the bent portion is in the shape of stair segments, the seat tube and the stand tube are in clearance fit, a buffering barrel is arranged on the portion, close to the bent portion, in an inner cavity of the wide opening portion and located between the inner wall of the wide opening portion and the outer wall of the stand tube, and the buffering barrel is in interference fit with the stand tube. A seat tube structure in the bike industry is improved, the technical effects that stability is good, adjustment is convenient, and the structure is not prone to damage are achieved, service life of the product is guaranteed, and safety accidents are eradicated.
Description
Technical field
The present invention relates to bicycle manufacturing technology field, particularly relate to the connection structure of a kind of pipe.
Background technology
Bicycle has been dissolved in the life of people as the vehicle, along with the change of people life style, variously carry out improving based on bicycle and the bicycle with certain special purpose obtained enters in our life gradually, such as the mountain bike of body-building, for improving derailleur of speed by bike etc.In the structure of bicycle, vehicle seat is arranged on standpipe, and vehicle seat bears most of weight of cyclist, so have higher requirement to its intensity and steadiness; Meanwhile, because the height of cyclist is distinguished, the adjustment easily of vehicle seat height is also required, in addition due to the impact in long-distance and harsh environment posture by bike, cyclist needs the accurate adjustment to vehicle seat height, to be applicable to the best posture state of oneself, thus reduces physical demands by bike.
In prior art, generally to the mounting structure of saddle tube, consider the adjustment of height, as shown in Figure 1, vehicle seat a installs on present pipe b, and seat pipe b setting-in enters in standpipe d, is set with a fastener c in the upper end of standpipe d, pass through, change the excircle length of fastener c, compressed the excircle of urgent standpipe d by fastener c, thus realize the close contact of seat pipe b and standpipe d that increasing friction force, finally achieve a pipe b and standpipe d to lock, achieve the adjustment of vehicle seat a height.The drawback of the mode of this routine has,
1., by compressing locking, stressed undercapacity, may glide after the vehicle seat time is longer;
2. vehicle seat height can not precisely regulate, and can only realize, bring the reduction of cyclist's comfort level with the experience of operator;
3., if strengthen the excircle that strength fastener c compresses urgent standpipe d simply, fastener c may be brought to damage the situation of standpipe d excircle by pressure, damaged bicycle.
So, how to provide a kind of and solve the firm connection of saddle tube in bicycle trade, be convenient to the connection structure of adjustment, become a urgent problem of the art.
Summary of the invention
The object of the invention is to the deficiency overcoming above-mentioned technology, and provide a kind of for the connection structure of bicycle trade for bicycle saddle pipe, with good, easy to adjust, the non-damageable technique effect of the steadiness realized.
The present invention for achieving the above object, by the following technical solutions:
A kind of strong fix structure of bicycle saddle tube, comprise seat pipe and standpipe, described standpipe comprises throat section, wide notch portion and bending part, described bending part is arranged between throat section and wide notch portion, described seat pipe embeds in the wide notch portion of described standpipe, and extend described to the cut-off of described kink office, described bending part is ladder section shape, described seat pipe and described standpipe are free-running fit, position near described bending part in the inner chamber of described wide notch portion is provided with dash pot, and dash pot is between the inwall and described standing tube outer wall of described wide notch portion, it is over-surplus fit structure between described dash pot and described standpipe.
The inwall of described bending part is provided with the attachment strap with bending part form fit, and described lower riser end stands upright on described attachment strap.
Topmost in described wide notch portion is provided with segmental arc, and described segmental arc has the arc surface pointed to outside footpath, is provided with tight loop between described arc surface and described seat pipe, and described segmental arc is by the firm described seat pipe of described tight loop.
Described wide notch portion is provided with a circle binding groove, the position of described binding groove is a little more than described dash pot, and the inner edge of described binding groove contacts the outer rim of described seat pipe.
Be provided with tensioning cylinder between the inwall of described wide notch portion and described standing tube outer wall, described tensioning cylinder is between described segmental arc and binding groove.
A circle elastic fastener is provided with in the border groove of described binding groove.
Described wide notch portion inner chamber is provided with strut member, and described strut member is used for providing bearing capacity in the radial direction.
The throat section of described standpipe is all equal with tube wall with the diameter of described seat pipe.
The invention has the beneficial effects as follows:
One, the present invention to be rigidly connected standpipe and enrich the space of wide notch portion just and between standpipe with dash pot by the wide notch portion of standpipe, both ensure that the intensity connecting and coordinate, in turn ensure that steadiness, also avoid the drawback that directly suit fastener pressure is too concentrated simultaneously, achieve the technique effect of a pipe connection safety and steadiness preferably, the effect of tensioning cylinder is also strengthen fastening effect further.
Two, the design of attachment strap, not only strengthens seat pipe stressed in the reliability of standpipe, and by designing the different-thickness of attachment strap, realizing the accurate adjustment of vehicle seat height, having ensured the comfort level of cyclist.
Three, the centripetal tension of segmental arc, then in conjunction with the elastic force of tight loop, double action facilitates the maintenance to seat pipe.
Four, binding groove adds a peripheral circle elastic fastener, tightly standpipe and seat pipe is pinned, and further ensures intensity and steadiness that standpipe is connected with seat pipe.
Five, throat section and seat pipe equal diameter, etc. the setting of tube wall, ensure that transition pillar bears being balanced to standpipe by seat pipe of cyclist's body weight and transmits, ensure that the comfort level by bike of cyclist;
Accompanying drawing explanation
Fig. 1 is the mounting structure schematic diagram that in prior art, pipe sat by car;
Fig. 2 is generalized section of the present invention
In figure:
1---seat pipe, 2---standpipe, the wide notch portion of 21--, 211-binding groove, 212-segmental arc, 213-arc surface, 22---bending part, 23---throat section, 3---attachment strap, 4-dash pot-, 5-tensioning cylinder, 6-tight loop, 7-strut member, 8---elastic fastener
The specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing 2 and embodiment.
A kind of strong fix structure of bicycle saddle tube, comprise a pipe 1 and standpipe 2, described standpipe 2 comprises throat section 23, wide notch portion 21 and bending part 22, described bending part 22 is arranged between throat section 23 and wide notch portion 21, described seat pipe 1 embeds in the wide notch portion 21 of described standpipe 2, and extend described to the cut-off of described bending part 22 place, described bending part 22 is ladder section shape, described seat pipe 1 and described standpipe 2 are free-running fit, position near described bending part 22 in the inner chamber of described wide notch portion 21 is provided with dash pot 4, and dash pot 4 is between the inwall and described standpipe 2 outer wall of described wide notch portion 21, be over-surplus fit structure between described dash pot 4 and described standpipe 2.
The present invention to be rigidly connected standpipe 1 and enrich the space between wide notch portion 21 and standpipe 1 with dash pot 4 by the wide notch portion of standpipe 21, both ensure that the intensity connecting and coordinate, in turn ensure that steadiness, also avoid the drawback that directly suit fastener pressure is too concentrated simultaneously, achieve the technique effect of a pipe connection safety and steadiness preferably.
The inwall of described bending part 22 is provided with the attachment strap 3 with bending part 22 form fit, and described standpipe 2 lower end stands upright on described attachment strap 3.
The design of attachment strap 3, not only strengthens seat pipe 1 stressed in the reliability of standpipe, and by designing the different-thickness of attachment strap 3, realizing the accurate adjustment of vehicle seat height, having ensured the comfort level of cyclist.
Topmost in described wide notch portion 21 is provided with segmental arc 212, described segmental arc 212 has the arc surface 213 pointed to outside footpath, be provided with tight loop 6 between described arc surface 213 and described seat pipe 1, described segmental arc 212 is by the firm described seat pipe 1 of described tight loop 6.The centripetal tension of segmental arc 212, then in conjunction with the elastic force of tight loop 6, double action facilitates the maintenance to seat pipe 1.
Described wide notch portion 21 is provided with a circle binding groove 211, the position of described binding groove 211 is a little more than described dash pot 4, and the inner edge of described binding groove 211 contacts the outer rim of described seat pipe 1.A circle elastic fastener 8 is provided with in the border groove of described binding groove 211.Binding groove 211 adds a peripheral circle elastic fastener 8, tightly standpipe 2 and seat pipe 1 is pinned, and further ensures intensity and steadiness that standpipe 2 is connected with seat pipe 1.
Be provided with tensioning cylinder 5 between the inwall of described wide notch portion 21 and described standpipe 2 outer wall, described tensioning cylinder 5 is between described segmental arc 212 and binding groove 211.The effect of tensioning cylinder is also strengthen fastening effect further.
Described wide notch portion 21 inner chamber is provided with strut member 7, and described strut member 7 is for providing the bearing capacity in the radial direction to wide notch portion 21.
The throat section 23 of described standpipe is all equal with tube wall with the diameter of described seat pipe 1.The equal diameter of throat section and seat pipe, etc. the setting of tube wall, what ensure that transition pillar bears cyclist's body weight balances transmission by seat pipe 1 to standpipe 2, ensure that the comfort level by bike of cyclist;
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. the strong fix structure of a bicycle saddle tube, it is characterized in that: comprise seat pipe and standpipe, described standpipe comprises throat section, wide notch portion and bending part, described bending part is arranged between throat section and wide notch portion, described seat pipe embeds in the wide notch portion of described standpipe, and extend described to the cut-off of described kink office, described bending part is ladder section shape, described seat pipe and described standpipe are free-running fit, position near described bending part in the inner chamber of described wide notch portion is provided with dash pot, and dash pot is between the inwall and described standing tube outer wall of described wide notch portion, it is over-surplus fit structure between described dash pot and described standpipe.
2. the strong fix structure of bicycle saddle tube according to claim 1, is characterized in that: the inwall of described bending part is provided with the attachment strap with bending part form fit, and described lower riser end stands upright on described attachment strap.
3. the strong fix structure of bicycle saddle tube according to claim 1, it is characterized in that: the topmost in described wide notch portion is provided with segmental arc, described segmental arc has the arc surface pointed to outside footpath, be provided with tight loop between described arc surface and described seat pipe, described segmental arc is by the firm described seat pipe of described tight loop.
4. the strong fix structure of bicycle saddle tube according to claim 3, is characterized in that: described wide notch portion is provided with a circle binding groove, and the position of described binding groove is a little more than described dash pot, and the inner edge of described binding groove contacts the outer rim of described seat pipe.
5. the strong fix structure of bicycle saddle tube according to claim 4, is characterized in that: be provided with tensioning cylinder between the inwall of described wide notch portion and described standing tube outer wall, and described tensioning cylinder is between described segmental arc and binding groove.
6. the strong fix structure of bicycle saddle tube according to claim 4, is characterized in that: be provided with a circle elastic fastener in the border groove of described binding groove.
7. the strong fix structure of bicycle saddle tube according to claim 1, is characterized in that: described wide notch portion inner chamber is provided with strut member, and described strut member is used for providing bearing capacity in the radial direction.
8. the strong fix structure of bicycle saddle tube according to claim 1, is characterized in that: the throat section of described standpipe is all equal with tube wall with the diameter of described seat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410693851.9A CN104443131A (en) | 2014-11-26 | 2014-11-26 | Stable positioning structure for bike seat tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410693851.9A CN104443131A (en) | 2014-11-26 | 2014-11-26 | Stable positioning structure for bike seat tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104443131A true CN104443131A (en) | 2015-03-25 |
Family
ID=52890069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410693851.9A Pending CN104443131A (en) | 2014-11-26 | 2014-11-26 | Stable positioning structure for bike seat tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104443131A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2540062A1 (en) * | 1983-01-27 | 1984-08-03 | Lyon Raccord | Device for adjusting two coaxial tubes and locking them in angular and in an axial position |
| CN2157908Y (en) * | 1993-05-19 | 1994-03-02 | 金享车业股份有限公司 | Apparatus for saddle |
| CN2179308Y (en) * | 1993-11-07 | 1994-10-12 | 敖爱东 | Combined bicycle saddle lifting device |
| US6182939B1 (en) * | 1999-12-01 | 2001-02-06 | Ralph William Schoepper | Telescopic bicycle seat post system |
| CN103129677A (en) * | 2013-02-27 | 2013-06-05 | 王勤 | Liftable bicycle saddle |
| CN204323546U (en) * | 2014-11-26 | 2015-05-13 | 天津都市玛自行车有限公司 | For the firm connection structure of bicycle saddle tube |
-
2014
- 2014-11-26 CN CN201410693851.9A patent/CN104443131A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2540062A1 (en) * | 1983-01-27 | 1984-08-03 | Lyon Raccord | Device for adjusting two coaxial tubes and locking them in angular and in an axial position |
| CN2157908Y (en) * | 1993-05-19 | 1994-03-02 | 金享车业股份有限公司 | Apparatus for saddle |
| CN2179308Y (en) * | 1993-11-07 | 1994-10-12 | 敖爱东 | Combined bicycle saddle lifting device |
| US6182939B1 (en) * | 1999-12-01 | 2001-02-06 | Ralph William Schoepper | Telescopic bicycle seat post system |
| CN103129677A (en) * | 2013-02-27 | 2013-06-05 | 王勤 | Liftable bicycle saddle |
| CN204323546U (en) * | 2014-11-26 | 2015-05-13 | 天津都市玛自行车有限公司 | For the firm connection structure of bicycle saddle tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |