CN201982580U - Chain - Google Patents
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- Publication number
- CN201982580U CN201982580U CN2010206879880U CN201020687988U CN201982580U CN 201982580 U CN201982580 U CN 201982580U CN 2010206879880 U CN2010206879880 U CN 2010206879880U CN 201020687988 U CN201020687988 U CN 201020687988U CN 201982580 U CN201982580 U CN 201982580U
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- CN
- China
- Prior art keywords
- chain
- die
- pin
- bearing pin
- riveting
- 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 - Fee Related
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Abstract
The utility model discloses a chain which comprises chain boards and pins, wherein end faces of two ends of the pin are tetragonal rivet heads. The technical scheme of the utility model adopts the technology of tetragonal rivet head, i.e., edges of the end faces of the pin are extruded to form a deformation with certain angle and quadrate appearance, to increase external diameter of the pin, thereby increasing firmness between the pins and the chain boards, and improving intensity of the chain.
Description
Technical field
The utility model relates to the mechanical transmission component field, relates in particular to a kind of chain.
Background technique
As shown in Figure 1, chain comprises carrier bar 1 and bearing pin 2, and bearing pin 2 couples together adjacent carrier bar 1, and die is a kind of mode that the end face at chain hinge pin 2 two ends is made its increase external diameter by the mode of extruding.Die has very important effect to the fastness of whole chain, and it has further strengthened the link fastness of bearing pin with carrier bar, prevents that outer plate from coming off.The present chain of using, the riveting of the general employing Eight characters, it is the mode of edge by pushing with pin roll end face, formation has the distortion of several angle, thereby increase the external diameter of bearing pin end, increase the fastness of bearing pin and carrier bar, its advantage is the efficient height, but, can't satisfy the Environmental Conditions that the degree of being connected firmly to chain and bearing pin has higher requirements.
Summary of the invention
In order to solve above-mentioned technical problem, the purpose of this utility model provides a kind of chain, adopt cubic die technology, be about to the mode of the edge of pin roll end face by extruding, formation has the distortion of several angle and outward appearance squarely, make the bearing pin external diameter increase, thereby increase the fastness of bearing pin and carrier bar.
To achieve the above object, the utility model has adopted following technological scheme:
A kind of chain comprises carrier bar and bearing pin, and the end face at described bearing pin two ends is cubic die.
As preferably, described cubic die is via rolling riveter roll riveting moulding.
The utility model adopts cubic die technology owing to adopted above technological scheme, is about to the mode of the edge of pin roll end face by extruding, formation has the distortion of several angle and outward appearance squarely, make the bearing pin external diameter increase, thereby increase the fastness of bearing pin and carrier bar, improve chain intensity.
Description of drawings
Fig. 1 is the prior art constructions schematic representation;
Fig. 2 is a structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is made a detailed explanation.
Embodiment 1:
A kind of chain as shown in Figure 2 comprises carrier bar 1 and bearing pin 2, and the end face at described bearing pin 2 two ends is cubic die.
Course of working for cubic die, can on two kinds of equipment, successively carry out in two steps, earlier conventional Eight characters die (vertically) is carried out at the chain hinge pin two ends with punch press or rolling riveter, change the die mould again, mould after changing is just just vertical mutually on direction with the former, thereby once more conventional Eight characters die is carried out at the chain hinge pin two ends, overlapping the combining of such twice die just finished cubic die.Though the method can achieve the goal, it is lower to implement efficient, needs to change mould in operating process, wastes time and energy.Present embodiment has adopted a kind of high efficiency, easy-operating cubic die technology, as long as die riveting wheel is carried out suitable modification, just can realize cubic riveting fast on rolling riveter.The die riveting of routine wheel is laterally opened the V-type groove, and groove and the groove distance on circumference is the pitch of chain, and the angle of V-type groove is the angle of the V-type groove of Eight characters riveting.At first go out Eight characters riveting through the roll riveting riveting, after change that another laterally opens the V-type groove roll wheel (or with another die machine), once more chain hinge pin is carried out die, this action can be continuous, but not as on punch press, riveting once needs artificial or punch press is transferred chain once synchronously, here only need send chain to rolling riveter, die will all carry out automatically, the efficient height, and die quality level is suitable with the riveting of the punch press Eight characters.Having broken away from cubic riveting like this can only carry out on punch press, is implemented in quick cubic die on the common rolling riveter, thereby enhances productivity, and saves cost, promotes benefit.
Claims (2)
1. a chain comprises carrier bar (1) and bearing pin (2), it is characterized in that, the end face at described bearing pin (2) two ends is cubic die.
2. a kind of chain according to claim 1 is characterized in that, described cubic die is via rolling riveter roll riveting moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206879880U CN201982580U (en) | 2010-12-29 | 2010-12-29 | Chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206879880U CN201982580U (en) | 2010-12-29 | 2010-12-29 | Chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201982580U true CN201982580U (en) | 2011-09-21 |
Family
ID=44610042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206879880U Expired - Fee Related CN201982580U (en) | 2010-12-29 | 2010-12-29 | Chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201982580U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899708A (en) * | 2014-03-28 | 2014-07-02 | 杭州东华链条集团有限公司 | Chain applicable to low temperature environments and production method thereof |
| CN105927710A (en) * | 2016-07-07 | 2016-09-07 | 环球传动泰州有限公司 | Low-temperature-resistant garage chain |
-
2010
- 2010-12-29 CN CN2010206879880U patent/CN201982580U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899708A (en) * | 2014-03-28 | 2014-07-02 | 杭州东华链条集团有限公司 | Chain applicable to low temperature environments and production method thereof |
| CN105927710A (en) * | 2016-07-07 | 2016-09-07 | 环球传动泰州有限公司 | Low-temperature-resistant garage chain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20181229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |