CN203560485U - Hard seal ball valve - Google Patents
Hard seal ball valve Download PDFInfo
- Publication number
- CN203560485U CN203560485U CN201320639314.7U CN201320639314U CN203560485U CN 203560485 U CN203560485 U CN 203560485U CN 201320639314 U CN201320639314 U CN 201320639314U CN 203560485 U CN203560485 U CN 203560485U
- Authority
- CN
- China
- Prior art keywords
- valve
- hard seal
- described valve
- seal ball
- 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
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Abstract
The utility model discloses a hard seal ball valve which comprises a valve body, and is characterized in that a valve rod hole is formed in the center of the valve body; a valve rod is mounted in the valve rod hole in a rotating manner; a valve plate is mounted at the lower end of the valve rod; a valve seat is arranged on the inner wall of the valve body; a cold wire drawing processing layer is arranged on the surface of the valve seat, and a phosphate thin film layer is sprayed on the surface of the valve seat; a milled sand layer is arranged on the surface of the valve plate, and a passive film layer is attached on the surface of the valve plate. The hard seal ball valve is excellent in wearing resistance and leakproofness, and can prevent the abrasion of the valve plate and the valve seat.
Description
Technical field
The utility model relates to a kind of hard seal ball valve.
Background technique
In prior art, the structure of hard seal ball valve is too complicated, and sealing is poor, and valve plate and valve seat be easily wearing and tearing all, and not easy care, need to often change, very loaded down with trivial details.
Model utility content
It is good that the utility model object is to provide a kind of wear resistance, and good airproof performance prevents flap and the prooving of valve seat, hard seal ball valve simple in structure.
The utility model technical solution problem provides following scheme:
A kind of hard seal ball valve, comprise valve body, it is characterized in that: described valve body center is provided with valve rod hole, in described valve rod hole, be rotatablely equipped with valve rod, the lower end of described valve rod is provided with flap, and the inwall of described valve body is provided with valve seat, the surface of described valve seat is provided with cold drawn silk processing layer, and be coated with phosphate film layer, the surface of described valve plate is provided with frosted layer, and is attached with passivation film.
Between described valve plate and valve seat, be provided with the arc surface matching each other.
The utility model is provided with frosted layer on the surface of flap, and adheres to one deck passivating film, difficult not oxidized, and on the surface of valve seat, is provided with cold drawn silk processing layer, and is provided with phosphate film layer, is difficult for being corroded.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Referring to accompanying drawing, a kind of hard seal ball valve, comprise valve body 1, described valve body 1 center is provided with valve rod hole 2, in described valve rod hole 2, is rotatablely equipped with valve rod 3, the lower end of described valve rod 3 is provided with flap 4, the inwall of described valve body 1 is provided with valve seat 5, and the surface of described valve seat 5 is provided with cold drawn silk processing layer 6, and is coated with phosphate film layer 7, the surface of described valve plate 4 is provided with frosted layer 8, and is attached with passivation film 9.
Between described valve plate 4 and valve seat 5, be provided with the arc surface matching each other.
Claims (2)
1. a hard seal ball valve, comprise valve body, it is characterized in that: described valve body center is provided with valve rod hole, in described valve rod hole, be rotatablely equipped with valve rod, the lower end of described valve rod is provided with flap, and the inwall of described valve body is provided with valve seat, the surface of described valve seat is provided with cold drawn silk processing layer, and be coated with phosphate film layer, the surface of described valve plate is provided with frosted layer, and is attached with passivation film.
2. hard seal ball valve according to claim 1, is characterized in that: between described valve plate and valve seat, be provided with the arc surface matching each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320639314.7U CN203560485U (en) | 2013-10-16 | 2013-10-16 | Hard seal ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320639314.7U CN203560485U (en) | 2013-10-16 | 2013-10-16 | Hard seal ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203560485U true CN203560485U (en) | 2014-04-23 |
Family
ID=50510206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320639314.7U Expired - Fee Related CN203560485U (en) | 2013-10-16 | 2013-10-16 | Hard seal ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203560485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360207A (en) * | 2020-03-30 | 2020-07-03 | 嘉兴民政石油机械附件厂 | Production process of ball valve for oil well pump |
-
2013
- 2013-10-16 CN CN201320639314.7U patent/CN203560485U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360207A (en) * | 2020-03-30 | 2020-07-03 | 嘉兴民政石油机械附件厂 | Production process of ball valve for oil well pump |
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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: 20140423 Termination date: 20141016 |
|
| EXPY | Termination of patent right or utility model |