CN209370509U - A kind of ceramic hard-seal knife-shape gate valve - Google Patents
A kind of ceramic hard-seal knife-shape gate valve Download PDFInfo
- Publication number
- CN209370509U CN209370509U CN201920079250.7U CN201920079250U CN209370509U CN 209370509 U CN209370509 U CN 209370509U CN 201920079250 U CN201920079250 U CN 201920079250U CN 209370509 U CN209370509 U CN 209370509U
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- China
- Prior art keywords
- valve seat
- ceramic
- flashboard
- annular groove
- valve
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- Expired - Fee Related
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Abstract
The utility model proposes a kind of ceramic hard-seal knife-shape gate valves, including valve body, the left and right ends of the valve body are respectively arranged with valve seat, flashboard is equipped between two valve seats, flashboard and valve seat form sealing cooperation, flashboard upper end is stretched out on the upside of valve body, the driving mechanism that driving flashboard moves up and down is equipped on the upside of valve body, the valve seat includes ceramic valve seat and rubber valve seat, the ceramic valve seat is fixedly connected with the valve body, one coaxial annular groove is set on the sealing surface of the ceramic valve seat, the rubber valve seat is arranged in the annular groove, elastic component is equipped between rubber valve seat and the bottom of annular groove, the elastic component includes the connection ring of annular and the spring of annular, the section of the connection ring is U-shaped, the U-shaped opening of connection ring is arranged backwards to flashboard, the both ends of spring are interconnected to form circular ring shape.
Description
Technical field
The utility model relates to a kind of ceramic hard-seal knife-shape gate valves.
Background technique
Gate valve is typically all to be sealed cooperation with valve seat by flashboard, and valve seat is mostly that hard sealing is matched with flashboard
It closes, in operation, valve seat and flashboard friction are bigger, and valve seat and flashboard are easy to be damaged.
Utility model content
Aiming at the problem that pointing out in background technique, the utility model proposes a kind of potteries for being combined with soft seal and elastic packing
Porcelain seals knife-shape gate valve firmly.
The technical solution of the utility model is achieved in that
A kind of ceramic hard-seal knife-shape gate valve, it is characterised in that: including valve body, the left and right ends of the valve body are set respectively
It is equipped with valve seat, flashboard is equipped between two valve seats, flashboard and valve seat form sealing cooperation, and flashboard upper end is stretched out on the upside of valve body,
It is equipped with the driving mechanism that driving flashboard moves up and down on the upside of valve body, the valve seat includes ceramic valve seat and rubber valve seat, described
Ceramic valve seat be fixedly connected with the valve body, on the sealing surface of the ceramic valve seat be arranged a coaxial annular groove, institute
The rubber valve seat stated is arranged in the annular groove, and elastic component, the elasticity are equipped between rubber valve seat and the bottom of annular groove
Part includes the connection ring of annular and the spring of annular, and the section of the connection ring is U-shaped, and the U-shaped opening of connection ring is backwards to lock
Plate setting, the both ends of spring are interconnected to form circular ring shape, the spring of circular ring shape be arranged in connection ring and annular groove bottom it
Between, the bottom interval of connection ring and annular groove is arranged, and cavity, the spring and annular groove are equipped with inside the rubber valve seat
Bottom between be equipped with ring segment, the ceramic valve seat be equipped with connection annular groove and ceramic valve seat on the outside of threaded hole, institute
It is equipped in the threaded hole stated and adjusts screw, the adjusting screw and ring segment offset cooperation.
The utility model is further arranged to, and the ceramic valve seat is connect with valve body screw thread.
Using above-mentioned technical proposal, the utility model has the following beneficial effects:
Ceramic hard-seal knife-shape gate valve provided by the utility model is combined with soft seal and the spring band of rubber valve seat
The elastic packing come, reduces the abrasion between valve seat and flashboard, extends the service life of gate valve.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the portion the A enlarged drawing in the utility model Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model is illustrated with reference to Fig. 1-2 as follows:
The left and right ends of a kind of ceramic hard-seal knife-shape gate valve, including valve body 1, the valve body 1 are respectively arranged with valve seat,
Flashboard 3 is equipped between two valve seats, flashboard 3 and valve seat form sealing cooperation, and 3 upper end of flashboard is stretched out on the upside of valve body 1, valve body 1
Upside is equipped with the driving mechanism that driving flashboard 3 moves up and down.
The valve seat includes ceramic valve seat 21 and rubber valve seat 22, and the ceramic valve seat 21 is fixedly connected with valve body 1,
One coaxial annular groove 4 is set on the sealing surface of the ceramic valve seat 21.
The rubber valve seat 22 is arranged in the annular groove 4, and bullet is equipped between rubber valve seat 22 and the bottom of annular groove 4
Property part, the elastic component includes the connection ring 5 of annular and the spring 6 of annular, and the section of the connection ring 5 is U-shaped, connection
The U-shaped opening of ring 5 is arranged backwards to flashboard 3, and the both ends of spring 6 are interconnected to form circular ring shape, and the setting of spring 6 of circular ring shape is even
It connects between ring 5 and the bottom of annular groove 4, the bottom interval of connection ring 5 and annular groove 4 is arranged.Elastic component can mention for rubber valve seat
For resilient support, it is allowed to form elastic packing.
Cavity 7 is equipped with inside the rubber valve seat 22, cavity 7 can enhance the elastic deformation ability of rubber valve seat 22.
Ring segment 8 is equipped between the bottom of the spring 6 and annular groove 4, the ceramic valve seat 21 is equipped with connection
The threaded hole 9 in 21 outside of annular groove 4 and ceramic valve seat, interior be equipped with of the threaded hole 9 adjust screw 10, the adjusting screw
10 offset cooperation with ring segment 8.Elastic component can be pushed by adjusting screw, to adjust the elasticity capacity of elastic packing.
Wherein, the ceramic valve seat 21 is threadedly coupled with valve body 1.
Using above-mentioned technical proposal, the utility model has the following beneficial effects:
Ceramic hard-seal knife-shape gate valve provided by the utility model is combined with soft seal and the spring of rubber valve seat 22
6 bring elastic packings, reduce the abrasion between valve seat 2 and flashboard 3, extend the service life of gate valve.
It is above-described be only the utility model preferred embodiment, be not intended to limit the utility model, it is all
Within the spirit and principles of the utility model, it is practical new to should be included in this for any modification, equivalent replacement, improvement and so on
Within the protection scope of type.
Claims (2)
1. a kind of ceramic hard-seal knife-shape gate valve, it is characterised in that: including valve body, the left and right ends of the valve body are respectively set
There is valve seat, flashboard is equipped between two valve seats, flashboard and valve seat form sealing cooperation, and flashboard upper end is stretched out on the upside of valve body, valve
It is equipped with the driving mechanism that driving flashboard moves up and down on the upside of body, the valve seat includes ceramic valve seat and rubber valve seat, described
Ceramic valve seat is fixedly connected with the valve body, and a coaxial annular groove is arranged on the sealing surface of the ceramic valve seat, described
Rubber valve seat be arranged in the annular groove, between rubber valve seat and the bottom of annular groove be equipped with elastic component, the elastic component
The spring of connection ring and annular including annular, the section of the connection ring is U-shaped, and the U-shaped opening of connection ring is backwards to flashboard
Setting, the both ends of spring are interconnected to form circular ring shape, and the spring of circular ring shape is arranged between connection ring and the bottom of annular groove,
The setting of the bottom interval of connection ring and annular groove, is equipped with cavity inside the rubber valve seat, the spring and annular groove
Ring segment is equipped between bottom, the ceramic valve seat is equipped with the threaded hole on the outside of connection annular groove and ceramic valve seat, described
Threaded hole in be equipped with and adjust screw, the adjusting screw and ring segment offset cooperation.
2. a kind of ceramic hard-seal knife-shape gate valve according to claim 1, it is characterised in that: the ceramic valve seat and valve
Body is threadedly coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920079250.7U CN209370509U (en) | 2019-01-17 | 2019-01-17 | A kind of ceramic hard-seal knife-shape gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920079250.7U CN209370509U (en) | 2019-01-17 | 2019-01-17 | A kind of ceramic hard-seal knife-shape gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209370509U true CN209370509U (en) | 2019-09-10 |
Family
ID=67825568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920079250.7U Expired - Fee Related CN209370509U (en) | 2019-01-17 | 2019-01-17 | A kind of ceramic hard-seal knife-shape gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209370509U (en) |
-
2019
- 2019-01-17 CN CN201920079250.7U patent/CN209370509U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20200117 |