CN204677778U - A kind of needle type valve - Google Patents
A kind of needle type valve Download PDFInfo
- Publication number
- CN204677778U CN204677778U CN201520354311.8U CN201520354311U CN204677778U CN 204677778 U CN204677778 U CN 204677778U CN 201520354311 U CN201520354311 U CN 201520354311U CN 204677778 U CN204677778 U CN 204677778U
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- Prior art keywords
- valve
- seat
- flap
- valve seat
- bonnet
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- 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.)
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Abstract
The utility model discloses a kind of needle type valve, comprise valve body, bonnet, valve seat and valve rod, bonnet is arranged on valve body by screw thread, valve rod one end is vertically arranged in valve body through bonnet, stem bottom is provided with flap, valve body inner bottom part is provided with valve seat, flap and valve seat are equipped with, described flap is conical design, described valve seat is provided with the cone tank be equipped with taper valve, be provided with the groove of annular in described cone tank, be provided with sealing seat in groove, sealing seat be provided with O RunddichtringO; Original valve seat arranges the seal ring coordinated with flap, effectively reduces flap and contact with the hard of valve seat, reduce the wearing and tearing of valve rod and valve seat, postpone working life, reduce maintenance cost.
Description
Technical field
The utility model relates to a kind of needle type valve, particularly relates to the needle type valve that a kind of sealability is outstanding.
Background technique
A lot of needle type valve types is had in existing market, its sealability is all embodied in and valve body and outside sealing, on flow path, the seal pattern that valve rod and valve seat are formed is all generally the hard sealing between valve rod and valve seat, the metallic rod body of long-pending valve rod and valve seat directly extrude to be formed and seal, and its seal pattern is easy to the wearing and tearing caused between valve rod and valve seat, causes device damage to be accelerated, plant maintenance is frequent, increases the user cost of equipment.
Model utility content
For above-mentioned produced problem, the utility model provide a kind of valve rod and valve base seal property outstanding, the needle type valve that service life of equipment is longer.
A kind of needle type valve, comprise valve body, bonnet, valve seat and valve rod, bonnet is arranged on valve body by screw thread, and valve rod one end is vertically arranged in valve body through bonnet, stem bottom is provided with flap, valve body inner bottom part is provided with valve seat, and flap and valve seat are equipped with, and described flap is conical design, described valve seat is provided with the cone tank be equipped with taper valve, be provided with the groove of annular in described cone tank, be provided with sealing seat in groove, sealing seat be provided with O RunddichtringO.
Seal ring on described sealing seat at least 1.
Compared with prior art, the beneficial effect had is: on original valve seat, arrange the seal ring coordinated with flap, effectively reduces flap and contacts with the hard of valve seat, reduce the wearing and tearing of valve rod and valve seat, postpone working life, reduce maintenance cost.
Accompanying drawing explanation
Fig. 1 is the utility model needle type valve structural representation;
Fig. 2 is A place enlarged diagram in Fig. 1.
Embodiment
Fig. 1, 2 is a kind of embodiment of the utility model needle type valve, comprise valve body 1, bonnet 2, valve seat 4 and valve rod 3, bonnet is arranged on valve body by screw thread, valve rod one end is vertically arranged in valve body through bonnet, stem bottom is provided with flap 5, valve body inner bottom part is provided with valve seat, flap and valve seat are equipped with, flap is conical design, valve seat is provided with the cone tank be equipped with taper valve, the groove of annular is provided with in cone tank, sealing seat 6 is provided with in groove, sealing seat is provided with O RunddichtringO 7, seal ring number is 2, arrange in stratiform, multiple groove and sealing seat can be provided with in cone tank, the present embodiment only provides one and is described.
Claims (2)
1. a needle type valve, comprise valve body, bonnet, valve seat and valve rod, bonnet is arranged on valve body by screw thread, valve rod one end is vertically arranged in valve body through bonnet, stem bottom is provided with flap, valve body inner bottom part is provided with valve seat, flap and valve seat are equipped with, it is characterized in that, described flap is conical design, and described valve seat is provided with the cone tank be equipped with taper valve, is provided with the groove of annular in described cone tank, be provided with sealing seat in groove, sealing seat be provided with O RunddichtringO.
2. needle type valve as claimed in claim 1, is characterized in that, the seal ring on described sealing seat at least 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520354311.8U CN204677778U (en) | 2015-05-28 | 2015-05-28 | A kind of needle type valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520354311.8U CN204677778U (en) | 2015-05-28 | 2015-05-28 | A kind of needle type valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204677778U true CN204677778U (en) | 2015-09-30 |
Family
ID=54177471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520354311.8U Active CN204677778U (en) | 2015-05-28 | 2015-05-28 | A kind of needle type valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204677778U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990102A (en) * | 2019-04-29 | 2019-07-09 | 江苏师范大学 | A kind of needle valve |
-
2015
- 2015-05-28 CN CN201520354311.8U patent/CN204677778U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990102A (en) * | 2019-04-29 | 2019-07-09 | 江苏师范大学 | A kind of needle valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |