CN2590698Y - Punching pin structure for spoke joint hole - Google Patents
Punching pin structure for spoke joint hole Download PDFInfo
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- CN2590698Y CN2590698Y CN 02289377 CN02289377U CN2590698Y CN 2590698 Y CN2590698 Y CN 2590698Y CN 02289377 CN02289377 CN 02289377 CN 02289377 U CN02289377 U CN 02289377U CN 2590698 Y CN2590698 Y CN 2590698Y
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Abstract
The utility model relates to a punching pin structure for spoke joint holes, which mainly comprises a punching pin, wherein the front end of the punching pin is provided with a cylindric formed punch. A first-section punch body is arranged below one side of the formed punch, a second-section punch body is arranged below another side of the first-section punch body, and a ladder-shaped punching pin structure is formed. In addition, the exterior margins of the first-section and the second-section punch bodies incline inward and form a first-section and a second-section italic surfaces, a first and a second cuspate knife edge structures are formed among the first-section and the second-section italic surfaces and the formed punch, and a multilayer style punch body structure provided with more than two sections is arranged on the punch body. By means of the multi-section type punch bodies, the utility model has the functions of fast punching, neat cutting, small volume of formed punching chips and easy discharge; the utility model has much industrial utilization value indeed.
Description
Technical field
The utility model relates to the punching pin structure that is used for the spoke nipple hole in the bicycle of a kind of general vehicle field, particularly relates to a kind of punching pin structure that is used for the spoke nipple hole of vehicles such as bicycle.It is that to utilize a drift to be provided with stepped towards body, the spoke nipple hole cutter of wheel rim is worn, and have incisxal edge neat, dash the effect that bits are discharged easily, and then can reach the easy excellent results of assembling, and become a kind of new design that quite has practicality and progressive, be suitable for the industrial circle wide popularization and application.
Background technology
The development main flow of current bicycle, along with the lifting of quality of life, also seek better safety measure for the structural behaviour of bicycle, wherein according to the wheel rim of bicycle, presently used still is based on the individual layer wheel rim, but its too late far away multiple field wheel rim on safety.
The utility model mainly is the processing procedure that is to inquire into the multiple field wheel rim, observational study has the manufacturing of known multiple field wheel rim now, prior art disclosed is to use drilling machine, but speed is slow during because hole, and be easy to generate high temperataure phenomena, the cooling fluid so when boring, need arrange in pairs or groups, to solve the too high problem of temperature, yet easy residual liquid flows into the inside of multiple field wheel rim during because of the use cooling fluid, and this moment when holing formed drilling cuttings residue also can take advantage of a situation flow into inner, and cause cooling fluid and drilling cuttings residue to be attached to holding part between inner and outer wall, so cause and stay holding part because of attachment and have the problem be not easy and block of removing, and cause following degree of difficulty when the assembling spoke easily, and relevant prior art please refer to the previous preceding case of applying for of same applicant of this case, be No. the 401869th, Taiwan patent announcement, this repeats no more.
According to above-mentioned disappearance, therefore industry has just been developed manufacture and the structure that another kind of multiple field wheel rim spoke connects the hole, what this kind structure had representative is (to see annex one for details as Taiwan patent announcement No. 319723 " the spoke nipple hole in the hollow wheel rim of the double wall of spoke wheel or the manufacture method of valve opening and device and made wheel rim ", be the bulletin text of No. the 319723rd, Taiwan patent announcement " the spoke nipple hole in the hollow wheel rim of the double wall of spoke wheel or the manufacture method of valve opening and device and made wheel rim "), see also shown in Figure 11, it is the schematic diagram (being Fig. 4 of annex one) that existing multiple field wheel rim spoke connects the manufacture and the structure in hole, it mainly is to utilize the stage casing of a punching instrument to be shaped one than big pushing and drawing shape conus portion directly, and cooperate a front portion than path, so utilize this drilling tool, with the inwall of double-deck wheel rim and outer wall respectively with impact style, cutter is set as the perforation of a big path, also can discharge towards bits simultaneously.
Yet said structure is when real enforcement, but can't can discharge smoothly dashing bits as shown in figure 11, this be because punching the time produced to dash the bits volume identical with the volume in spoke nipple hole, and if careless slightly when punching, dashing bits promptly can depart from the accurate heart then to be difficult to discharge wheel rim outside but keep somewhere in holding part, promptly needing to utilize another procedure that it is dashed bits when the time comes takes out, and this moment is big because dash the volume of bits, therefore when taking out, need expend more time, so will inevitably cause the significantly lifting of cost of labor;
Moreover this kind utilizes the pushing and drawing shape cone to come the punching press outer wall and when forming hole, big footpath, very easily residual uneven cutting margin surface (promptly as shown in figure 11); Again because of big, so need bigger impulse force make it to cut a hole into a hole portion towards bulk area; Punching when finishing and also to cause the distortion of wheel rim because power strengthens, thus the degree of difficulty when causing maintenance in the future or assembling spoke;
This kind has the wheel rim of uneven cutting margin surface, if when tubeless is installed, promptly need with the hole portion filling of an object with outer wall, but because of uneven cutting margin surface so, cause and can't clog fully, and make it that disappointing situation generation be arranged.
Comprehensively above-mentioned, be the drawback of utilizing impact style that the multiple field wheel rim is caused at present, and existence can cause the sizable troubles such as misgivings on safe in utilization, so integral body does not quite have practicality.
This shows that the punching pin structure in above-mentioned existing spoke nipple hole still has many defectives, and demands urgently further being improved.
For the defective of the punching pin structure that solves existing spoke nipple hole, relevant manufacturer there's no one who doesn't or isn't seeks the road that solves painstakingly, but does not see always that for a long time suitable design finished by development, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that the punching pin structure in above-mentioned existing spoke nipple hole exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, actively studied innovation, in the hope of founding a kind of punching pin structure that is used for the spoke nipple hole of new structure, can improve the general punching pin structure in the spoke nipple hole of existing routine on the market, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the utility model that has practical value finally.
Summary of the invention
Main purpose of the present utility model is, overcome the defective of the punching pin structure existence in existing spoke nipple hole, and the punching pin structure that is used for the spoke nipple hole that provides a kind of new structure to design, technical problem underlying to be solved be make its by outside drift, be provided with again stair-stepping first, second towards body, make it when punching press, can be divided into the smaller size smaller shape with dashing bits, and have effect convenient to remove, and then make it have more practicality in the use.
Another purpose of the utility model is, a kind of novel punching pin structure that is used for the spoke nipple hole is provided, technical problem to be solved is it to be utilized stair-stepping be provided with sharp blade towards being shaped between body, make it in punching course, form a preferable smooth aperture, thereby be more suitable for practicality, and have the value on the industry.
The purpose of this utility model and solve its technical problem underlying and realize by the following technical solutions.According to a kind of punching pin structure that is used for the spoke nipple hole that the utility model proposes, it mainly comprises a punching pin, the front end of this punching pin is provided with a cylindrical drift, side-lower at this drift is provided with first section towards body, below the opposite side of body, then be provided with second section at this first section, and form a stepped punching pin structure towards body.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
The aforesaid punching pin structure that is used for the spoke nipple hole, wherein said first, second section is provided with first, second section italic face towards the inside oblique formation of the outer most edge of body, forms the structure that is provided with first, second sharp blade between this first, second section italic face and drift.
The aforesaid punching pin structure that is used for the spoke nipple hole wherein saidly can be set to be provided with multiple field more than two sections towards body structure towards body.
The aforesaid punching pin structure that is used for the spoke nipple hole wherein saidly is provided with the 3rd section towards body at second section towards body again below the opposite side of body, form a multistage stair-stepping punching pin structure.
The utility model compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, the utility model is used for the punching pin structure in spoke nipple hole, it mainly is to comprise a punching pin, the front end of this punching pin is provided with a cylindrical drift, side-lower at this drift is provided with first section towards body, below the body opposite side, then be provided with second section at first section, so form a stepped punching pin structure towards body.By the body that dashes of this multisection type, it is quick to reach punching press, and dashing of being shaped the bits volume is little, the effect of easy taking-up, quite have the value of industry really.
The utility model does not have the existing defective of punching pin structure in existing spoke nipple hole in use fully, and can reach suitable practicality, and has the extensive value on the industry, specifies advantage of the present utility model as follows now:
1, the punching pin structure in spoke nipple of the present utility model hole, it is made of a drift and two two sharp blades towards body and two italic formed therebies, utilize this drift, italic and sharp blade that Internal and external cycle portion is disconnected, can reach the neat effect of tangent plane, the filling of hole portion was difficult for the shortcoming of assembling when the punching pin structure of having improved existing spoke nipple hole of commonly using can not form the installation tubeless that a neat tangent plane caused.
2, the utility model is by set italic and sharp blade, can reach the effect that to dwindle towards body bits area, not cause large tracts of land to dash that bits are difficult for taking out and stamping press is big and cause the shortcoming of wheel rim distortion and there is meeting that the punching pin structure in existing spoke nipple hole of commonly using exists.
3, the utility model is used for the punching pin structure in spoke nipple hole, because it only is to Duo one section towards body than the punching pin structure in existing spoke nipple hole of commonly using, therefore manufacturing cost also reduces relatively, meet cost benefit, and the effect that can reach with product and to use practicality to compare value-for-money especially quite has the value of industry.
4, the designed two-part of the utility model has the effect that can fast the nipple orifice cutter be worn towards body structure, and do not have existing commonly use utilize drilling machine to cut a hole to establish that nipple orifice exists is consuming time and remove the shortcoming that is difficult for, can reach really and be suitable for practical effect more.
5, the utility model is on the practicality and cost benefit of structural design, use, really it is required to meet industry development fully, and disclosed structure is unprecedented innovative design, it had not both seen any publication, do not see more that before application that identical architectural feature is arranged is known, formerly public, and also not seeing on the market has similar products like, promptly there is no similar structural design and publish or use in like product, and had novelty really.
6, structure of the present utility model really has more technological progress than the punching pin structure in existing spoke nipple hole, and its particular structure feature and function also are far from the punching pin structure in existing spoke nipple hole and can compare, the punching pin structure in more existing spoke nipple hole has more technical progress, and have the multinomial effect of enhancement, and creative really.
In sum, the punching pin structure that is used for the spoke nipple hole of the utility model special construction, its by outside drift, be provided with again stair-stepping first, second towards body, make it when punching press, can dash bits and be divided into the smaller size smaller shape, and have effect convenient to remove, have more practicality in the use; And it utilizes stair-stepping and is provided with sharp blade towards being shaped between body, makes it form a preferable smooth aperture in punching course, thereby is suitable for assembling more, and have the value on the industry.It has above-mentioned many advantages and practical value, no matter structurally or bigger improvement all arranged on the function, and have large improvement technically, and produced handy and practical effect, and has the effect of enhancement really, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.
The specific embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the schematic side view that the utility model is used for the punching pin structure in spoke nipple hole.
Fig. 2 is the stereoscopic schematic diagram that the utility model is used for the punching pin structure in spoke nipple hole.
Fig. 3 is the schematic side view that the utility model is used for another embodiment of punching pin structure in spoke nipple hole.
Fig. 4 is the schematic perspective view that the utility model is used for another embodiment of punching pin structure in spoke nipple hole.
Fig. 5 is the user mode figure one that the utility model is used for the punching pin structure in spoke nipple hole.
Fig. 6 is the user mode figure two that the utility model is used for the punching pin structure in spoke nipple hole.
Fig. 7 is the user mode figure three that the utility model is used for the punching pin structure in spoke nipple hole.
Fig. 8 is the user mode figure four that the utility model is used for the punching pin structure in spoke nipple hole.
Fig. 9 is the state schematic perspective view of spoke nipple of the present utility model hole after punching is finished.
Figure 10 is the stereoscopic schematic diagram of the utility model wheel rim of being used in multiple field.
Figure 11 is the schematic diagram that existing multiple field wheel rim spoke connects the manufacture and the structure in hole.
10---wheel rim 11---nipple orifice
13---outer ring portion of 12---inner ring portion
131--round punch bits 132--first considers to be worth doing towards body
133--second considers to be worth doing towards body
14---spatial portion 15---hole portion
The 20---punching pin
First section of 21---drift 22---is towards body
First section italic face of 221--222--, the first sharp blade
Second section of 23---is towards second section italic face of body 231--
The 3rd section of the 232--second sharp blade 24---is towards body
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to according to its specific embodiment of punching pin structure, structure, feature and the effect thereof that are used for the spoke nipple hole that the utility model proposes, describe in detail as after.
See also Fig. 1, shown in Figure 2, the utility model is used for the punching pin structure in spoke nipple hole, it mainly comprises a punching pin (20), the front end of this punching pin (20) is provided with a cylindrical drift (21), side-lower at drift (21) is provided with first section towards body (22), then be provided with second section towards body (23) first section opposite side below, so form a stepped punching pin structure towards body (22).
In addition, the utility model can be provided with first, second section italic face (221), (231) towards the inside oblique formation of the outer most edge of body (22), (23) in first, second section, forms between this first, second section italic face (221), (231) and drift (21) and is provided with first, second sharp blade (222), (232).
Said structure is combined, constitutes the punching pin structure that the utility model is used for the spoke nipple hole.
See also Fig. 3, shown in Figure 4, be another embodiment of punching pin structure that the utility model is used for the spoke nipple hole, dashing body (20) and can be set to be provided with the body that dashes more than two sections in the utility model, in the present embodiment, the front end of this punching pin (20) is provided with a cylindrical drift (21), side-lower at drift (21) is provided with first section towards body (22), then be provided with second section towards body (23) first section opposite side below towards body (22), in addition, and then be provided with the 3rd section again towards body (24) towards the opposite side of body (23) below at second section, so form a multistage stair-stepping punching pin structure.This shows, should be not limited to three-stage type towards end difference of body (20), the size of its visual wheel rim (10) required hole portion (15), and be set to the structure of more multi-layered formula.
See also Fig. 5 to shown in Figure 10, existing with the situation of the utility model when implementing to use specify as after.
Wherein the formed hole portion of wheel rim (10) outer ring portion (15) of the utility model processing is divided into three parts to carry out punching press.See also Fig. 5, Fig. 6, and shown in Figure 9 in conjunction with consulting, at first, utilize the drift (21) of punching pin (20) that the round punch bits (131) than minor diameter are gone out by the outer ring portion (13) of wheel rim (10); Utilize first section again towards formed first section italic face (221) between body (22) and drift (21), one side of the smaller diameter bore that will be washed into by drift (21) by the first sharp blade (222) of this first section italic face (221) punching out again goes out another first towards body bits (132), wherein, therefore hole portion (15) can be cut into a section that flushes because of the utility model is to utilize the first sharp blade (222) to carry out punching press; Continue and utilize second section to carry out punching press again towards formed second section italic face (231) between body (23) and drift (21), and the opposite side in path hole is also cut into face simultaneously by the second sharp blade (232), and form one second simultaneously towards body bits (133), so can reach by what stair-stepping punching pin (20) punching press formed three smaller size smaller and dash bits (promptly as Fig. 5, shown in Figure 6);
Again, see also Fig. 7, shown in Figure 8, finish hole portion (15) punching press of outer ring portion (13) when drift (21) after, can continue to walk to inner ring portion (12) again, to form another round punch bits (131) by drift (21) at the bump Shi Yihui of inner ring portion (12), simultaneously round punch bits (131) are discharged in the lump, and form an open nipple orifice (11), drop and place first of spatial portion (14) this moment, second towards body bits (132), (133) then can be after finishing, discharge by large diameter hole portion of inner ring portion (15) easily, dash the inconvenience that bits are difficult for taking-up and can exempt the large tracts of land that existing conventional construction institute can cause simultaneously.
From the above, the utility model mainly is to utilize a stepped punching pin (20), and when making its wheel rim at the punching press multiple field (10), it can be dashed the bits that dash that bits are decomposed into several little bulks, so make it can reach convenient when taking out and effect fast.
Moreover, the utility model can be by first, second sharp blade (222), (232) of above-mentioned punching pin (20) setting, can form a smooth hole portion when reaching punching press, so can avoid the burr that existing conventional construction caused and have influence on the defective of subsequent treatment assembly program easily.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, any personnel that are familiar with this technology may utilize the technology contents of above-mentioned announcement to be changed or be modified to the equivalent embodiment of equivalent variations, for example: this end difference is not limited to three-stage type, the size of the required hole of wherein also visual wheel rim portion, take the structure of more multi-layered formula, and also can reach structure of the present utility model and effect (as Fig. 3, shown in Figure 4), every 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 (4)
1, a kind of punching pin structure that is used for the spoke nipple hole, it is characterized in that it mainly comprises a punching pin, the front end of this punching pin is provided with a cylindrical drift, side-lower at this drift is provided with first section towards body, below the opposite side of body, then be provided with second section at this first section, and form a stepped punching pin structure towards body.
2, the punching pin structure that is used for the spoke nipple hole according to claim 1, it is characterized in that wherein said first, second section is provided with first, second section italic face towards the inside oblique formation of the outer most edge of body, form the structure that is provided with first, second sharp blade between this first, second section italic face and drift.
3, the punching pin structure that is used for the spoke nipple hole according to claim 1 and 2 is characterized in that wherein saidly can being set to be provided with multiple field more than two sections towards body structure towards body.
4, the punching pin structure that is used for the spoke nipple hole according to claim 3 is characterized in that wherein saidly being provided with the 3rd section again towards body at second section towards body below the opposite side of body, forms a multistage stair-stepping punching pin structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02289377 CN2590698Y (en) | 2002-11-29 | 2002-11-29 | Punching pin structure for spoke joint hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02289377 CN2590698Y (en) | 2002-11-29 | 2002-11-29 | Punching pin structure for spoke joint hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2590698Y true CN2590698Y (en) | 2003-12-10 |
Family
ID=33748938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02289377 Expired - Lifetime CN2590698Y (en) | 2002-11-29 | 2002-11-29 | Punching pin structure for spoke joint hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2590698Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103118818A (en) * | 2010-08-25 | 2013-05-22 | 荷兰机械公司 | Method and device for punching holes in double-walled materials |
| CN104369616A (en) * | 2013-08-17 | 2015-02-25 | 全拟 | Spoke with fixedly-arranged non-pneumatic tire |
-
2002
- 2002-11-29 CN CN 02289377 patent/CN2590698Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103118818A (en) * | 2010-08-25 | 2013-05-22 | 荷兰机械公司 | Method and device for punching holes in double-walled materials |
| CN104369616A (en) * | 2013-08-17 | 2015-02-25 | 全拟 | Spoke with fixedly-arranged non-pneumatic tire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20121129 Granted publication date: 20031210 |