CN203146855U - Check valve - Google Patents
Check valve Download PDFInfo
- Publication number
- CN203146855U CN203146855U CN 201320062231 CN201320062231U CN203146855U CN 203146855 U CN203146855 U CN 203146855U CN 201320062231 CN201320062231 CN 201320062231 CN 201320062231 U CN201320062231 U CN 201320062231U CN 203146855 U CN203146855 U CN 203146855U
- Authority
- CN
- China
- Prior art keywords
- valve
- flap
- valve body
- utility
- model
- 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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- Lift Valve (AREA)
Abstract
The utility model discloses a check valve which comprises a valve body, wherein a valve clack and a valve rod connected with the valve clack are arranged in the valve body, a sealing ring is arranged at the connection position of an inlet and an outlet of the valve clack arranged in the valve body, the valve clack is provided with a first chamfer and a second chamfer, and a metal ring is arranged on the valve rod with 8cm away from the bottom. The check valve has the advantages of being simple in structure, long in service life and good in sealing.
Description
Technical field
The utility model relates to a kind of stop valve.
Background technique
Present stop valve only is provided with seal ring between valve body and flap, flap directly is pressed on the valve body, and after long-term the use, sealing effect reduces, and leaks easily.
The model utility content
The purpose of this utility model is at above-mentioned the deficiencies in the prior art, and the stop valve of a kind of simple in structure, long service life, good seal is provided.
For achieving the above object, the technical solution of the utility model is: a kind of stop valve, comprise valve body, the valve rod that is provided with flap in the described valve body and links to each other with flap, flap in the described valve body is imported and exported the jointing place and is provided with seal ring, described flap is provided with first chamfering and second chamfering, and described valve rod is provided with metal ring apart from bottom 8cm place.
The beneficial effects of the utility model are: described chamfering forms between flap and the valve body by the sealing again behind the seal ring, has guaranteed the sealing effect of valve body, thereby has lengthened stop valve working life.
Description of drawings
Fig. 1 is structural drawing of the present utility model;
Fig. 2 is the A place enlarged view of Fig. 1.
Among the figure: valve body 1, the first chamfering 2, the second chamferings 21, seal ring 3, flap 4, valve rod 5, metal ring 6.
Embodiment
Below in conjunction with accompanying drawing, and in conjunction with the embodiments, the utility model is described further.
Embodiment:
As shown in Figure 1 and Figure 2, comprise valve body 1, the valve rod 5 that is provided with flap 4 in the described valve body 1 and links to each other with flap 4, the flap 4 in the described valve body 1 is imported and exported the jointing place and is provided with seal ring 3, and described flap 4 is provided with first chamfering 2 and second chamfering 21, make it that sealing of a scope be arranged, in the time of seal ring 3 wearing and tearing, flap 4 again can be mobile again downwards, forms sealing again, lengthened the working life of stop valve, described valve rod 5 is provided with metal ring 6 apart from bottom 8cm place.
The utility model is in use: move up and down by valve rod 5; driving flap 4 moves up and down; when moving on the flap 4; valve is on state, and described valve rod 5 is provided with metal ring 6 apart from bottom 8cm place, when mobile excessive on the valve rod 5; metal ring 6 has played the effect of protection flap 4; when flap 4 moved down, the round platform conical surface of flap 4 lower ends and seal ring 3 coincide, and valve is in cut-off state.
Claims (1)
1. stop valve, comprise valve body (1), the valve rod (5) that is provided with flap (4) in the described valve body (1) and links to each other with flap (4), flap (4) in the described valve body (1) is imported and exported the jointing place and is provided with seal ring (3), it is characterized in that: described flap (4) is provided with first chamfering (2) and second chamfering (21), and described valve rod (5) is provided with metal ring (6) apart from bottom 8cm place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320062231 CN203146855U (en) | 2013-01-31 | 2013-01-31 | Check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320062231 CN203146855U (en) | 2013-01-31 | 2013-01-31 | Check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203146855U true CN203146855U (en) | 2013-08-21 |
Family
ID=48974379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320062231 Expired - Fee Related CN203146855U (en) | 2013-01-31 | 2013-01-31 | Check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203146855U (en) |
-
2013
- 2013-01-31 CN CN 201320062231 patent/CN203146855U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20140131 |