CN202252147U - Connection structure of rubber slowly-closing check valve - Google Patents
Connection structure of rubber slowly-closing check valve Download PDFInfo
- Publication number
- CN202252147U CN202252147U CN2011202878050U CN201120287805U CN202252147U CN 202252147 U CN202252147 U CN 202252147U CN 2011202878050 U CN2011202878050 U CN 2011202878050U CN 201120287805 U CN201120287805 U CN 201120287805U CN 202252147 U CN202252147 U CN 202252147U
- Authority
- CN
- China
- Prior art keywords
- connecting cylinder
- check valve
- rubber
- connection structure
- threaded hole
- 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 connection structure of a rubber slowly-closing check valve. The connection structure comprises a conical connection barrel, wherein one end of the connection barrel is an inlet end, the other end of the connection barrel is an outlet end, the outer wall of the inlet end of the connection barrel is provided with an installing protruded ring, the inner wall of the installing protruded ring is provided with a step, the step is internally matched with gaskets which are mutually sleeved, the installing protruded ring is annularly provided with an internal threaded hole, the internal threaded hole is bolted with a locking bolt, and a pressing strip is cushioned between the gasket at the outer layer and the inner wall of the connection barrel. According to the connection structure, by utilizing the actions of the elasticity and the backward pressure of rubber, the sealing is reliable, and further, the leakage quantity is reduced, or no leakage is caused.
Description
Technical field
The utility model relates to the installation connection area of rubber Slow Close check valve, specifically belongs to the linkage structure of rubber Slow Close check valve.
Background technique
Rubber Slow Close check valve has been widely used in various floss holes such as municipal administration, water conservancy, sewage treatment, prevents to pour in down a chimney, flow backwards, and can provide efficient; And strong work; Need not to add any energy source device, reduce operating cost, be applicable to the extraordinary operating mode of general operating mode and wearing and tearing or aggressive medium.General Purpose Rubber Slow Close check valve adopts telescopic connecting tube usually, and connection procedure is loaded down with trivial details, and join strength is not enough.
The model utility content
The purpose of the utility model provides a kind of linkage structure of rubber Slow Close check valve, utilizes the effect of the elasticity and the reverse back pressure of rubber itself, and sealing is reliable, further reduces Leckage or ne-leakage.
The technological scheme of the utility model is following:
The linkage structure of rubber Slow Close check valve includes conical connecting cylinder, and said connecting cylinder one end is an entrance point; The other end is an outlet end, and the entrance point outer wall of described connecting cylinder has installs protruding circle, installs on the inwall of protruding circle to have step; Be combined with the packing ring of mutual sheathing in the step; Install that annular offers interior threaded hole on the protruding circle, screwed togather lock bolt in the interior threaded hole, pad is provided with press strip between outer field packing ring and the connecting cylinder inwall.
Offer the groove of bar shaped on the described connecting cylinder inwall, groove is built-in with press strip.
The utility model is elasticity and the effect of reverse back pressure that utilizes the rubber of packing ring itself, and through the number of plies of adjustment packing ring, applicable to the pipeline of different size, and sealing is reliable, further reduces Leckage or ne-leakage.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Referring to accompanying drawing, the linkage structure of rubber Slow Close check valve includes conical connecting cylinder 1; Connecting cylinder 1 one ends are entrance point, and the other end is an outlet end, and the entrance point outer wall of connecting cylinder 1 has installs protruding circle 4; Install on the inwall of protruding circle 4 and have step 5, be combined with the packing ring 6 of mutual sheathing in the step 5, install that annular offers interior threaded hole 7 on the protruding circle; Screwed togather lock bolt in the interior threaded hole 7; Pad is provided with press strip 3 between outer field packing ring and the connecting cylinder inwall, offers the groove 2 of bar shaped on the connecting cylinder inwall, and groove is built-in with press strip 3.
Claims (2)
1. the linkage structure of rubber Slow Close check valve includes conical connecting cylinder, it is characterized in that: said connecting cylinder one end is an entrance point; The other end is an outlet end, and the entrance point outer wall of described connecting cylinder has installs protruding circle, installs on the inwall of protruding circle to have step; Be combined with the packing ring of mutual sheathing in the step; Install that annular offers interior threaded hole on the protruding circle, screwed togather lock bolt in the interior threaded hole, pad is provided with press strip between outer field packing ring and the connecting cylinder inwall.
2. the linkage structure of rubber Slow Close check valve according to claim 1 is characterized in that: offer the groove of bar shaped on the described connecting cylinder inwall, groove is built-in with press strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202878050U CN202252147U (en) | 2011-08-09 | 2011-08-09 | Connection structure of rubber slowly-closing check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202878050U CN202252147U (en) | 2011-08-09 | 2011-08-09 | Connection structure of rubber slowly-closing check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202252147U true CN202252147U (en) | 2012-05-30 |
Family
ID=46113390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202878050U Expired - Fee Related CN202252147U (en) | 2011-08-09 | 2011-08-09 | Connection structure of rubber slowly-closing check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202252147U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024837A (en) * | 2018-06-05 | 2018-12-18 | 南京天印科技股份有限公司 | A kind of device suitable for municipal drainage optimization |
-
2011
- 2011-08-09 CN CN2011202878050U patent/CN202252147U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024837A (en) * | 2018-06-05 | 2018-12-18 | 南京天印科技股份有限公司 | A kind of device suitable for municipal drainage optimization |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20120809 |