CN214305361U - Valve seat positioning device for flat gate valve - Google Patents
Valve seat positioning device for flat gate valve Download PDFInfo
- Publication number
- CN214305361U CN214305361U CN202120092468.3U CN202120092468U CN214305361U CN 214305361 U CN214305361 U CN 214305361U CN 202120092468 U CN202120092468 U CN 202120092468U CN 214305361 U CN214305361 U CN 214305361U
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- Prior art keywords
- valve
- flashboard
- positioning
- seat
- disk seat
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Abstract
The utility model discloses a plate valve disk seat positioner, the utility model discloses a constitute by flashboard, valve body, disk seat, locating piece, locating pin, the disk seat is equipped with to the inside both sides of valve body, and the locating pin is equipped with to the disk seat lower extreme, and the locating piece is equipped with to the locating pin lower extreme, and the locating pin is downthehole by the bolt fastening at the locating piece. The flashboard is a parallel flashboard without a flow guide hole, the lower end of the valve seat is provided with a positioning groove, the positioning block is inserted into the positioning groove, and the diameter size of the positioning pin is the same as the thickness size of the flashboard. The utility model has the advantages that: the valve seat positioning device of the flat gate valve is innovatively designed, the distance between the lower ends of the valve seats on two sides of the valve is fixed, the distance between the lower ends of the two valve seats is the same as the thickness and the size of a flashboard after the valve is opened, the flashboard does not pull the sealing surface of the flashboard and the valve seat when the valve is closed, the sealing performance of the valve is good, and the valve is flexible to open and close.
Description
Technical Field
The utility model provides a disk seat positioner of plate valve suitable for medium is carried in oil, chemical industry.
Technical Field
At present, a flow guide hole-free flat gate valve for conveying media in the domestic petroleum and chemical industries does not have a valve seat positioning mechanism, when the valve is opened, a parallel gate plate is in contact with the upper end of a valve seat, the distance between the lower ends of the two valve seats is reduced after long-term work, when the valve is closed, the gate plate is very easy to pull the sealing surface of the gate plate and the valve seat, and the defects that the valve is sealed and fails and the valve is opened and closed very difficultly are caused are overcome.
Disclosure of Invention
The utility model discloses an overcome current valve structure technical shortcoming, the innovative design has a plate valve disk seat positioner, the interval of fixed valve both sides disk seat lower extreme, and two disk seat lower extreme interval sizes are the same with flashboard thickness after opening the valve, and the flashboard does not pull flashboard and the sealed face of disk seat when closing the valve, and valve sealing performance is good, and the switch is nimble.
The utility model provides a technical scheme that technical problem adopted is: the utility model discloses a constitute by flashboard, valve body, disk seat, locating piece, locating pin, the disk seat is equipped with to the inside both sides of valve body, and the locating pin is equipped with to the disk seat lower extreme, and the locating piece is equipped with to the locating pin lower extreme, and the locating pin is downthehole by the bolt fastening at the locating piece.
The flashboard is a parallel flashboard without a flow guide hole, the lower end of the valve seat is provided with a positioning groove, the positioning block is inserted into the positioning groove, and the diameter size of the positioning pin is the same as the thickness size of the flashboard.
The utility model has the advantages that: the valve seat positioning device of the flat gate valve is innovatively designed, the distance between the lower ends of the valve seats on two sides of the valve is fixed, the distance between the lower ends of the two valve seats is the same as the thickness and the size of a flashboard after the valve is opened, the flashboard does not pull the sealing surface of the flashboard and the valve seat when the valve is closed, the sealing performance of the valve is good, and the valve is flexible to open and close.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a front cross-sectional view of an embodiment of the present invention;
figure 2 is a view of the valve seat of the present invention
In the figure, 1 flashboard, 2 valve bodies, 3 valve seats, 4 positioning pins, 5 positioning blocks, 6 bolts and A positioning grooves
Detailed Description
In the drawing, a flat gate valve seat positioning device comprises a gate plate (1), a valve body (2), a valve seat (3), a positioning block (5) and a positioning pin (4), wherein the valve seat (3) is arranged on two sides inside the valve body (2), the positioning pin (4) is arranged at the lower end of the valve seat (3), the positioning block (5) is arranged at the lower end of the positioning pin (4), and the positioning pin (4) is fixed in a hole of the positioning block (5) through a bolt (6). The flashboard (1) is a parallel flashboard without a diversion hole, the lower end of the valve seat (3) is provided with a positioning groove (A), a positioning block (5) is inserted into the positioning groove (A), and the diameter size of the positioning pin (4) is the same as the thickness size of the flashboard (1).
The utility model discloses a theory of operation is: insert locating piece (5) in constant head tank (A) of disk seat (3) lower extreme, prevent that locating piece (5) from taking place to remove in valve body (2) bottom, locating pin (4) are fixed downthehole in locating piece (5) by bolt (6), prevent that locating pin (4) break away from disk seat (3), guarantee that two disk seat (3) bottom intervals are locating pin (4) diameter size, its size equals flashboard (1) thickness, two disk seat (3) upper end intervals are fixed a position by flashboard (1) thickness size after the valve is opened, two disk seat (3) bottom intervals are fixed a position by locating pin (4), guarantee that both ends interval is the same about two disk seat (3), flashboard (1) do not pull when closing the valve and hinder flashboard (1) and disk seat (3) sealed face, valve sealing performance is good, the switch is nimble.
Claims (2)
1. The utility model provides a flat gate valve disk seat positioner, comprises flashboard (1), valve body (2), disk seat (3), locating piece (5), locating pin (4), characterized by: the valve seat (3) is arranged on two sides in the valve body (2), the positioning pin (4) is arranged at the lower end of the valve seat (3), the positioning block (5) is arranged at the lower end of the positioning pin (4), and the positioning pin (4) is fixed in the hole of the positioning block (5) through the bolt (6).
2. The device of claim 1, wherein the gate valve seat positioning device comprises: the flashboard (1) is a parallel flashboard without a diversion hole, the lower end of the valve seat (3) is provided with a positioning groove (A), a positioning block (5) is inserted into the positioning groove (A), and the diameter size of the positioning pin (4) is the same as the thickness size of the flashboard (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120092468.3U CN214305361U (en) | 2021-01-08 | 2021-01-08 | Valve seat positioning device for flat gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120092468.3U CN214305361U (en) | 2021-01-08 | 2021-01-08 | Valve seat positioning device for flat gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214305361U true CN214305361U (en) | 2021-09-28 |
Family
ID=77824776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120092468.3U Active CN214305361U (en) | 2021-01-08 | 2021-01-08 | Valve seat positioning device for flat gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214305361U (en) |
-
2021
- 2021-01-08 CN CN202120092468.3U patent/CN214305361U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |