CN204664508U - Safety check - Google Patents
Safety check Download PDFInfo
- Publication number
- CN204664508U CN204664508U CN201520312564.9U CN201520312564U CN204664508U CN 204664508 U CN204664508 U CN 204664508U CN 201520312564 U CN201520312564 U CN 201520312564U CN 204664508 U CN204664508 U CN 204664508U
- Authority
- CN
- China
- Prior art keywords
- flap
- shaft
- flap shaft
- safety check
- valve seat
- 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
Links
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- Check Valves (AREA)
Abstract
The utility model designs a kind of safety check especially, comprise valve body, flap and valve seat, be designed with seal ring between valve body and flap, described flap comprises flap body and flap shaft, and flap shaft and flap body are for being flexibly connected, flap shaft is metal hollow pipe, flap shaft is designed with position structure near flap body end, and flap shaft is arranged with spring, and spring one end is fixed on flap by the position structure in flap shaft, the other end and valve seat offset, and described valve seat and valve body are connected and fixed; This safety check flap shaft and flap body are not integral structure designs, and product structure is simple, and cost hinge structure traditional product decreases.
Description
Technical field
The utility model relates to valve technology field, particularly a kind of safety check.
Background technique
Safety check relies on medium itself to flow and automatic open and close flap, be used for the valve preventing medium from flowing backwards, belong to a kind of automatic valve, its Main Function be prevent medium flow backwards, prevent pump and drive motor reversion, and the releasing of vessel media, general and the flap body of safety check flap shaft of the prior art designs for integral type, entirety is solid construction, product is in processing relative complex, the product cost of raw material is higher, is necessary very much to do to improve for this part-structure for current market with keen competition.
Model utility content
In order to solve deficiency of the prior art, the utility model designs a kind of safety check especially, and this safety check flap shaft and flap body are not integral structure designs, and product structure is simple, and cost hinge structure traditional product decreases.
The technical solution of the utility model is: a kind of safety check, comprise valve body, flap and valve seat, be designed with seal ring between valve body and flap, described flap comprises flap body and flap shaft, and flap shaft and flap body are for being flexibly connected, flap shaft is metal hollow pipe, flap shaft is designed with position structure near flap body end, and flap shaft is arranged with spring, and spring one end is fixed on flap by the position structure in flap shaft, the other end and valve seat offset, and described valve seat and valve body are connected and fixed.
The beneficial effects of the utility model are that this safety check is by adopting said structure, flap body and flap shaft are for being flexibly connected, flap shaft is designed with the fixed installation of position structure for spring, flap shaft is hollow-core construction simultaneously, the flap of the relative integral structure design of production of product is simplified, add that flap shaft is the relative traditional solid infrastructure product of hollow tubular, raw material obtain certain saving, the product value of this structural design obtains consumers in general and uses and promote.
Accompanying drawing explanation
Fig. 1 is the structural representation of this model utility safety check;
In figure: 1, valve body; 2, flap body; 3, flap shaft; 4, valve seat; 5, spring.
Embodiment
As described in Figure 1, a kind of safety check, comprise valve body 1, flap and valve seat 4, seal ring is designed with between valve body 1 and flap 2, described flap comprises flap body 2 and flap shaft 3, flap shaft 3 and flap body 2 are for being flexibly connected, flap shaft 3 is metal hollow pipe, flap shaft 3 is designed with position structure near flap body 2 end, flap shaft 3 is arranged with spring 5, spring 5 one end is fixed on flap by the position structure in flap shaft 3, and the other end and valve seat 4 offset, and described valve seat 4 is connected and fixed with valve body 1.
Claims (1)
1. a safety check, comprise valve body, flap and valve seat, be designed with seal ring between valve body and flap, it is characterized in that: described flap comprises flap body and flap shaft, flap shaft and flap body are for being flexibly connected, flap shaft is metal hollow pipe, flap shaft is designed with position structure near flap body end, and flap shaft is arranged with spring, and spring one end is fixed on flap by the position structure in flap shaft, the other end and valve seat offset, and described valve seat and valve body are connected and fixed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520312564.9U CN204664508U (en) | 2015-05-15 | 2015-05-15 | Safety check |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520312564.9U CN204664508U (en) | 2015-05-15 | 2015-05-15 | Safety check |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204664508U true CN204664508U (en) | 2015-09-23 |
Family
ID=54134891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201520312564.9U Expired - Fee Related CN204664508U (en) | 2015-05-15 | 2015-05-15 | Safety check |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204664508U (en) |
-
2015
- 2015-05-15 CN CN201520312564.9U patent/CN204664508U/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 |
Granted publication date: 20150923 Termination date: 20160515 |
|
CF01 | Termination of patent right due to non-payment of annual fee |