CN204512555U - A kind of modified node method of check valve spool - Google Patents
A kind of modified node method of check valve spool Download PDFInfo
- Publication number
- CN204512555U CN204512555U CN201520218693.1U CN201520218693U CN204512555U CN 204512555 U CN204512555 U CN 204512555U CN 201520218693 U CN201520218693 U CN 201520218693U CN 204512555 U CN204512555 U CN 204512555U
- Authority
- CN
- China
- Prior art keywords
- copper wire
- check valve
- wire bar
- valve spool
- external diameter
- 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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- Check Valves (AREA)
Abstract
The utility model discloses a kind of modified node method of check valve spool, comprise copper wire bar and sealing rubber pad, external diameter in the middle part of described copper wire bar is greater than the external diameter at two ends, described copper wire bar integral middle is shaping is provided with upper position-arresting flange spaced apart and lower position-arresting flange, and the gap between upper and lower stop bit flange forms the mounting groove of described sealing rubber pad.The modified node method of the check valve spool of the utility model design, it has, and formation accessory is few, assembling is simple, the feature of good seal performance.
Description
Technical field
The utility model relates to a kind of check valve spool, is specially a kind of modified node method of check valve spool.
Background technique
As illustrated in fig. 1 and 2, for existing check valve spool structure, it is formed primarily of copper wire bar 1 ', copper backing 2 ', sealing rubber pad 3 ' and copper locknut 4 ', and the external diameter at described copper wire bar 1 ' middle part is greater than two ends and is provided with stop bit flange 11 ' and outside thread 12 ' at this position.When assembling, being first placed on stop bit flange 11 ' by copper backing 2 ', then loading rubber pad 3 ', being threaded by copper locknut 4 ' more afterwards with the outside thread 12 ' of copper wire bar 1 ', this process is until effectively lock rubber pad 3 ' and complete the assembling of spool.
Altogether be made up of the parts of four splits with upper valve core, not only each accessory all needs independent processing separately, processing technology is complicated, and the quality of fit between each accessory requires high, assembling trouble, human cost is high, and topmost problem to be being threaded between copper locknut 4 ' with copper wire bar 1 ' exist risk of leakage, the sealability of spool can be had a strong impact on, cause the reduction of safety check performance.
Model utility content
For the problems referred to above, the utility model devises a kind of modified node method of check valve spool, and it has, and formation accessory is few, assembling is simple, the feature of good seal performance.
For achieving the above object, the utility model is by the following technical solutions:
A kind of modified node method of check valve spool, comprise copper wire bar and sealing rubber pad, external diameter in the middle part of described copper wire bar is greater than the external diameter at two ends, it is characterized in that: described copper wire bar integral middle is shaping is provided with upper position-arresting flange spaced apart and lower position-arresting flange, and the gap between upper and lower stop bit flange forms the mounting groove of described sealing rubber pad.
Further, the external diameter of above-mentioned lower position-arresting flange is less than the external diameter of upper position-arresting flange.
The direct one-body molded flange of stop bit being up and down provided with interval layout on copper wire bar of the present utility model, when assembling, directly utilize the elastic deformability of rubber pad itself, make its endoporus snap onto in the mounting groove upper and lower stop bit flange can complete assembling through the relatively little lower position-arresting flange of external diameter.
The whole spool of the utility model is only made up of two accessories, and parts are few and assembling is simple, effectively simplified processing process, lifting efficiency of assembling and reduction can assemble manpower.The integrated formed structure of upper and lower stop bit flange and copper wire bar simultaneously, make to there is not fitting surface each other, it reduces the quality of fit requirement to copper wire bar on the one hand, has stopped risk of leakage simultaneously, can the sealability of effective poppe tvalve core, ensure the non-return performance of safety check.
Accompanying drawing explanation
The STRUCTURE DECOMPOSITION schematic diagram of Fig. 1, existing check valve spool;
The assembling schematic diagram of Fig. 2, existing check valve spool;
The STRUCTURE DECOMPOSITION schematic diagram of Fig. 3, the utility model check valve spool;
The assembling schematic diagram of Fig. 4, the utility model check valve spool.
Embodiment
As shown in Figures 3 and 4, a kind of modified node method of check valve spool, comprise copper wire bar 1 and sealing rubber pad 2, external diameter in the middle part of described copper wire bar 1 is greater than the external diameter at two ends, described copper wire bar 1 integral middle is shaping is provided with upper position-arresting flange 11 spaced apart and lower position-arresting flange 12, gap between upper and lower stop bit flange 11,12 forms the mounting groove 13 of described sealing rubber pad, and the external diameter of lower position-arresting flange 12 is less than the external diameter of upper position-arresting flange 11.
When assembling, directly utilizing the elastic deformability of rubber pad 2 itself, making its endoporus snap onto in the mounting groove 13 upper and lower stop bit flange 11,12 can complete assembling through the relatively little lower position-arresting flange 12 of external diameter.
The check valve spool of above structure is only made up of two accessories, and parts are few and assembling is simple, effectively simplified processing process, lifting efficiency of assembling and reduction can assemble manpower.The integrated formed structure of upper and lower stop bit flange 11,12 and copper wire bar 1 simultaneously, make to there is not fitting surface each other, it reduces the quality of fit requirement to copper wire bar 1 on the one hand, has stopped risk of leakage simultaneously, can the sealability of effective poppe tvalve core, ensure the non-return performance of safety check.
Claims (2)
1. the modified node method of a check valve spool, comprise copper wire bar and sealing rubber pad, external diameter in the middle part of described copper wire bar is greater than the external diameter at two ends, it is characterized in that: described copper wire bar integral middle is shaping is provided with upper position-arresting flange spaced apart and lower position-arresting flange, and the gap between upper and lower stop bit flange forms the mounting groove of described sealing rubber pad.
2. the modified node method of check valve spool as claimed in claim 1, is characterized in that: the external diameter of described lower position-arresting flange is less than the external diameter of upper position-arresting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520218693.1U CN204512555U (en) | 2015-04-13 | 2015-04-13 | A kind of modified node method of check valve spool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520218693.1U CN204512555U (en) | 2015-04-13 | 2015-04-13 | A kind of modified node method of check valve spool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204512555U true CN204512555U (en) | 2015-07-29 |
Family
ID=53710533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520218693.1U Expired - Fee Related CN204512555U (en) | 2015-04-13 | 2015-04-13 | A kind of modified node method of check valve spool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204512555U (en) |
-
2015
- 2015-04-13 CN CN201520218693.1U patent/CN204512555U/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: 20150729 Termination date: 20210413 |