CN202431834U - Chain - Google Patents
Chain Download PDFInfo
- Publication number
- CN202431834U CN202431834U CN2012200326106U CN201220032610U CN202431834U CN 202431834 U CN202431834 U CN 202431834U CN 2012200326106 U CN2012200326106 U CN 2012200326106U CN 201220032610 U CN201220032610 U CN 201220032610U CN 202431834 U CN202431834 U CN 202431834U
- Authority
- CN
- China
- Prior art keywords
- chain
- chain pieces
- chain sheet
- bearing pin
- pieces
- 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 provides a chain, and belongs to the technical field of mechanical transmission parts. The chain solves the problem of poor connection firmness of existing chains and comprises pins, outer chain pieces and inner chain pieces. The outer chain pieces and the inner chain pieces are alternately arranged, the pins penetrate through the outer chain pieces and the inner chain pieces, and quadrangular rivets are arranged on the end faces of two ends of each pin. Direct connection firmness of the pins and the chain pieces is improved by means of the quadrangular rivets, so that the chain pieces and the pins are connected more closely, stress of the chain pieces is more balanced, and the service life of the chain is greatly prolonged.
Description
Technical field
The utility model belongs to the mechanical transmission component technical field, relates to a kind of chain.
Background technique
Chain is in industrial and agricultural production, uses very extensively in people's daily life, and traditional chain all adopts bearing pin that inside and outside chain sheet is formed by connecting.Die is a kind of mode that the end face at chain hinge pin two ends is made its increase external diameter through the mode of extruding.Die has very important effect to the fastness of whole chain, and it has strengthened the link fastness of bearing pin and chain sheet further, prevents that outer chain sheet from coming off.The chain of using at present; General employing two limit rivetings, it is with the mode of edge through pushing of pin roll end face, forms the distortion with several angle; Thereby increase the external diameter of bearing pin end; Increase the fastness of bearing pin and chain sheet, its advantage is that efficient is high, still 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
The purpose of the utility model is to existing chain existing the problems referred to above aspect degree of being connected firmly, and has proposed the chain of a kind of Du Genggao of being connected firmly.
The purpose of the utility model can realize through following technical proposal: a kind of chain; Comprise bearing pin, outer chain sheet and inner chain sheet, outer chain sheet and inner chain sheet are arranged alternately, and bearing pin passes outer chain sheet and inner chain sheet; It is characterized in that the end face at described bearing pin two ends is equipped with four jiaos of dies.
In above-mentioned a kind of chain, described four jiaos of dies are via rolling riveter roll riveting moulding.
Compared with prior art, this chain has increased directly degree of being connected firmly of bearing pin and chain sheet through four jiaos of dies, and it is tightr that the chain sheet is connected with bearing pin, and the chain sheet is stressed balanced more, the working life of having improved chain greatly.
Description of drawings
Fig. 1 is the structural representation that the utility model provides.
Among the figure, 1, outer chain sheet; 2, inner chain sheet; 3, bearing pin; 31, four jiaos of dies.
Embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technological scheme of the utility model is done further to describe, but the utility model is not limited to these embodiments.
As shown in Figure 1, this chain comprises bearing pin 3, outer chain sheet 1 and inner chain sheet 2, and outer chain sheet 1 is arranged alternately with inner chain sheet 2 in twos side by side, and bearing pin 3 passes two outer chain sheets 1 and two inner chain sheets 2, and the end face at bearing pin 3 two ends is equipped with four jiaos of dies 31.In the present embodiment, four jiaos of dies 31 are via rolling riveter roll riveting moulding.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Claims (2)
1. chain; Comprise bearing pin (3), outer chain sheet (1) and inner chain sheet (2), outer chain sheet (1) and inner chain sheet (2) are arranged alternately, and bearing pin (3) passes outer chain sheet (1) and inner chain sheet (2); It is characterized in that the end face at described bearing pin (3) two ends is equipped with four jiaos of dies (31).
2. a kind of chain according to claim 1 is characterized in that, described four jiaos of dies (31) are via rolling riveter roll riveting moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200326106U CN202431834U (en) | 2012-01-17 | 2012-01-17 | Chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200326106U CN202431834U (en) | 2012-01-17 | 2012-01-17 | Chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202431834U true CN202431834U (en) | 2012-09-12 |
Family
ID=46781280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200326106U Expired - Fee Related CN202431834U (en) | 2012-01-17 | 2012-01-17 | Chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202431834U (en) |
-
2012
- 2012-01-17 CN CN2012200326106U patent/CN202431834U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20130117 |