CN207598989U - A kind of high temperature and pressure parallel gate plate - Google Patents
A kind of high temperature and pressure parallel gate plate Download PDFInfo
- Publication number
- CN207598989U CN207598989U CN201721658198.8U CN201721658198U CN207598989U CN 207598989 U CN207598989 U CN 207598989U CN 201721658198 U CN201721658198 U CN 201721658198U CN 207598989 U CN207598989 U CN 207598989U
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- flashboard
- valve
- wedge
- plunger tip
- high temperature
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Abstract
The utility model provides a kind of high temperature and pressure parallel gate plate, including valve body, the valve seat mounted on valve inner, the valve rod that is arranged on above valve seat and the flashboard frame being connected with valve rod, the left and right ends of the flashboard frame are respectively provided with the left flashboard coordinated with valve base sealing and right flashboard, the medial surface of the left flashboard and right flashboard is equipped with mounting groove, wedge, the first plunger tip and the second plunger tip are housed, first plunger tip and the second plunger tip are separately positioned on the right and left of wedge in the mounting groove；The flashboard frame lower end is equipped with through-hole, and mandril is connected with below the wedge, and the mandril passes through through-hole that wedge is pushed to do vertical direction movement in mounting groove；Equipped with spring between the mandril and the flashboard frame, the utility model effectively reduces the frictional force between flashboard and valve seat while ram seal performance is improved, and reduces valve opening and closing torque, improves the service life of valve.
Description
Technical field
The utility model belongs to valve field, and in particular to a kind of high temperature and pressure parallel gate plate.
Background technology
Flat gate valve is one of most common block valve, is widely used in the industries such as oil, chemical industry, pharmacy, electric power, is being steamed
It is used as to open and close on the pipeline of the media such as gas and water, oil.The opening and closing element of flat gate valve is flashboard, the direction of motion of flashboard and fluid side
To perpendicular.Existing flat gate valve is spring dilating type flat plate gate valve, i.e., sets spring between the left and right flashboard of valve, profit
With support spring gate open plate to provide initial pretightning force, make valve in opening-closing process, left and right flashboard be close to sealing surface of seat so as to
Realize sealing.But due to using spring pre-tightening, frictional force is larger between flashboard and valve seat, and sealing surface is easy to wear, increases valve
Keying torque, reduce valve service life.And spring dilating type flat plate gate valve dismounting trouble, specific purpose tool is needed, is unfavorable for
Valve assembles and site examining and repairing.
Utility model content
The purpose of this utility model is to provide a kind of high temperature and pressure parallel gate plate, while ram seal performance is improved
Sealing surface is protected, reduces valve opening and closing torque, improves the service life of valve.
To achieve the above object, the technical solution that the utility model specifically provides is：A kind of high temperature and pressure parallel gate plate, packet
Valve body, the valve seat mounted on valve inner, the valve rod that is arranged on above valve seat and the flashboard frame being connected with valve rod are included, it is described
The left and right ends of flashboard frame are respectively provided with the left flashboard coordinated with valve base sealing and right flashboard, and the left flashboard is interior with right flashboard
Side is equipped with mounting groove, is pushed up in the mounting groove equipped with wedge, the first plunger tip and the second plunger tip, first plunger tip and second
Core is separately positioned on the right and left of wedge；The flashboard frame lower end is equipped with through-hole, and mandril, the top are connected with below the wedge
Bar passes through through-hole that wedge is pushed to do vertical direction movement in mounting groove；Spring is housed between the mandril and the flashboard frame.
Further, first plunger tip with the second plunger tip be the shape that hemispherical or arc surface are combined with plane.
Further, the arc surface is in contact with the mounting groove；The plane is installed with wedge cooperation.
Further, the mounting groove further includes the first cylinder groove being arranged on the left flashboard and is arranged on the right lock
The second cylinder groove on plate, first plunger tip and the second plunger tip are separately mounted in the first cylinder groove and the second cylinder groove.
Further, it is equipped with and first plunger tip and the matched wedge-shaped part of the second plunger tip above the wedge.
Further, the mandril includes the first cross bar, the second cross bar and vertical bar, and T-slot, institute are equipped with below the wedge
It states the first cross bar and vertical bar is fitted in the T-slot；The spring is arranged on the flashboard frame and second horizontal stroke
Between bar.
Further, flashboard block is equipped in the flashboard frame, is respectively equipped with and the lock on the left flashboard and right flashboard
The first groove and the second groove of plate block cooperation installation.
Further, for the valve rod with the flashboard frame using being threadedly coupled, the valve rod passes through axis pin with the flashboard frame
It is fixed.
Further, it is welded with hard alloy on the left flashboard and the lateral surface of right flashboard and the sealing surface of valve seat.
Further, the valve seat is welded in the valve body.
The beneficial technique effect that the utility model obtains is as follows：
First, wedge and plunger tip is pushed to provide initial pretightning force so as to strut flashboard for flashboard, make valve in height using mandril
Good sealing performance can be still kept under warm hyperbaric environment.
2nd, using the effect of wedge and mandril its own gravity and spring, make valve in opening-closing process flashboard without preload
Power reduces the frictional force between flashboard and valve seat, reduces valve opening and closing torque.And it is welded with hard on flashboard and sealing surface of seat
Alloy, effective protection sealing surface increase valve service life.
3rd, hard alloy is welded on the contact surface of wedge and plunger tip, reduces the abrasion during valve opening；Plunger tip and lock
Using sphere-contact between plate, avoid wedge wedge dead.
4th, the utility model is simple in structure, and valve is convenient for disassembly and assembly, can be completed without specific purpose tool, is conducive to valve dress
Match and site examining and repairing.
Description of the drawings
Fig. 1 is the sectional view of the utility model high temperature and pressure parallel gate plate；
Fig. 2 is the partial enlarged view of part A in high temperature and pressure parallel gate plate shown in FIG. 1；
Fig. 3 is the structure chart of right flashboard in the utility model high temperature and pressure parallel gate plate；
Fig. 4 is the left view of wedge in the utility model high temperature and pressure parallel gate plate；
Fig. 5 is the structure chart of mandril in the utility model high temperature and pressure parallel gate plate.
Specific embodiment
The structure and utility model content of the high temperature and pressure parallel gate plate of the utility model are described with reference to Fig. 1 to 4.
A kind of high temperature and pressure parallel gate plate, including valve body 1, valve seat 2, valve rod 3 and the flashboard frame 4 being connected with valve rod 3.
Left flashboard 5 and right flashboard 6 with the sealing cooperation of valve seat 2 is housed on flashboard frame 4.Between left flashboard 5 and right flashboard 6 be equipped with wedge 7,
First plunger tip 8 and the second plunger tip 9.7 lower section of wedge is connected with mandril 10.Spring 11 is housed between mandril 10 and flashboard frame 4.
The valve body 1 includes the cavity for holding the horizontal channel of flow of media and being connected with horizontal channel.
The valve seat 2 is welded in horizontal channel.Hard alloy is welded on the medial surface of valve seat 2, in the keying of valve
Effective protection sealing surface of seat in journey.
The valve rod 3 is arranged in the cavity of 2 top of valve seat, and vertical direction movement is done in cavity.
With valve rod 3 using being threadedly coupled, and pass through axis pin 41 and fix, flashboard frame 4 can be with valve for the top of the flashboard frame 4
Bar 3 does vertical direction movement.The lower section of flashboard frame 4 is equipped with through-hole 42.
The left flashboard 5 and right flashboard 6 are packed into from left and right ends in flashboard frame 4 respectively.Left flashboard 5 and right flashboard 6 it is interior
Side is equipped with mounting groove 56.Left flashboard 5 and right flashboard 6 are close with being welded with protection flashboard on the lateral surface of the sealing cooperation of valve seat 2
The hard alloy of cover.Mounting groove 56 further includes the first cylinder groove 51 being arranged on left flashboard 5 and is arranged on right flashboard 6
Second cylinder groove 61.Left flashboard 5 and right flashboard 6 are fixed on by flashboard block 65 on flashboard frame 4.Left flashboard 5 and right flashboard 6
The first groove 52 and the second groove 62 with the cooperation installation of flashboard block 65 are respectively equipped on circumference.
The wedge 7 is movably arranged in mounting groove 65.The top of wedge 7 is equipped with wedge-shaped part 71, and lower section is equipped with T-slot
72.The left and right sides of wedge-shaped part 71 is welded with the hard alloy for preventing abrasion.
First plunger tip, 8 and second plunger tip 9 is hemispherical, is separately positioned on the first cylinder groove 51 and the second cylinder groove
In 61.The spherical surface of first plunger tip 8 and the second plunger tip 9 is in contact respectively with the first cylinder groove 51 and the second cylinder groove 61, plane point
Do not coordinate in wedge-shaped part 71 and install.
The mandril 10 includes the first cross bar 101, the second cross bar 102 and vertical bar 103.First cross bar 101 and vertical bar
103 are fitted in T-slot 72.Mandril 10 may pass through through-hole 42 and wedge 7 driven to do vertical direction movement.
The spring 11 is arranged between 4 and second cross bar 102 of flashboard frame.
The operation principle of the utility model：
When valve will close, the second cross bar 102 is contacted with valve body 1.When valve rod 3 continues that flashboard frame 4 is driven to move down
When, the first mandril 101 of 10 top of mandril jacks up wedge 7 and moves upwards, so as to strut the first plunger tip 8 and the second plunger tip 9, for a left side
Flashboard 5 and right flashboard 6 provide initial pretightning force, and valve is made to have good sealing performance.
During the open and close of valve, under the action of its own gravity and spring 11 of mandril 10 and wedge 7,
Wedge 7 is detached from the first plunger tip 8 and the second plunger tip 9, so as to discharge the pretightning force of left flashboard 5 and right flashboard 6, reduces left 5 He of flashboard
The frictional force of right flashboard 6 and valve seat 2 protects sealing surface.
On the other hand, left flashboard 5 and right flashboard 6 effectively reduce flashboard with being welded with hard alloy on the sealing surface of valve seat 2
And the prooving of valve seat, increase valve service life.
On the other hand, left and right displacement can occur for wedge 7, in use, medium is avoided to push left lock under high temperature and high pressure condition
Plate 5 and right flashboard 6, which are acted on wedge 7, makes its deformed damaged.
On the other hand, hard alloy is welded on the contact surface of 7 and first plunger tip 8 of wedge and the second plunger tip 9, valve is reduced and opens
Abrasion during opening.Using sphere-contact between first plunger tip 8 and the second plunger tip 9 and left flashboard 5 and right flashboard 6, wedge is avoided
7 wedge of plate is dead.
In conclusion the above is only the preferred embodiments of the present utility model only, should not the utility model be limited with this
Range.I.e. every simple equivalent changes and modifications made according to the utility model claims book and description all should
Still belong in the range of the utility model patent covers.
Claims (10)
1. a kind of high temperature and pressure parallel gate plate, valve seat, the valve rod that is arranged on above valve seat including valve body, mounted on valve inner
And the flashboard frame being connected with valve rod, the left and right ends of the flashboard frame be respectively provided with the left flashboard that coordinates with valve base sealing and
Right flashboard, it is characterised in that：The medial surface of the left flashboard and right flashboard is equipped with mounting groove, and wedge is housed in the mounting groove
Plate, the first plunger tip and the second plunger tip, first plunger tip and the second plunger tip are separately positioned on the right and left of wedge；The flashboard
Frame lower end is equipped with through-hole, and mandril is connected with below the wedge, and the mandril passes through through-hole that wedge is pushed to be done in mounting groove vertically
Direction moves；Spring is housed between the mandril and the flashboard frame.
2. high temperature and pressure parallel gate plate according to claim 1, it is characterised in that：First plunger tip and the second plunger tip are equal
The shape being combined for hemispherical or arc surface with plane.
3. high temperature and pressure parallel gate plate according to claim 2, it is characterised in that：The arc surface and the mounting groove phase
Contact；The plane is installed with wedge cooperation.
4. high temperature and pressure parallel gate plate according to claim 1, it is characterised in that：The mounting groove, which further includes, is arranged on institute
State the first cylinder groove on left flashboard and the second cylinder groove being arranged on the right flashboard, first plunger tip and the second plunger tip
It is separately mounted in the first cylinder groove and the second cylinder groove.
5. high temperature and pressure parallel gate plate according to claim 1, it is characterised in that：It is equipped with above the wedge and described the
One plunger tip and the matched wedge-shaped part of the second plunger tip.
6. high temperature and pressure parallel gate plate according to claim 1, it is characterised in that：The mandril includes the first cross bar, the
Two cross bars and vertical bar, the wedge lower section are equipped with T-slot, and first cross bar and vertical bar are fitted to the T-slot
It is interior；The spring is arranged between the flashboard frame and second cross bar.
7. high temperature and pressure parallel gate plate according to claim 1, it is characterised in that：Flashboard is equipped in the flashboard frame to keep off
Block is respectively equipped with the first groove and the second groove with flashboard block cooperation installation on the left flashboard and right flashboard.
8. high temperature and pressure parallel gate plate according to claim 1, it is characterised in that：The valve rod is used with the flashboard frame
It is threadedly coupled, the valve rod is fixed with the flashboard frame by axis pin.
9. high temperature and pressure parallel gate plate according to claim 1, it is characterised in that：The outside of the left flashboard and right flashboard
Hard alloy is welded on the sealing surface of face and valve seat.
10. high temperature and pressure parallel gate plate according to claim 1, it is characterised in that：The valve seat is welded on the valve body
It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721658198.8U CN207598989U (en) | 2017-12-04 | 2017-12-04 | A kind of high temperature and pressure parallel gate plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721658198.8U CN207598989U (en) | 2017-12-04 | 2017-12-04 | A kind of high temperature and pressure parallel gate plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207598989U true CN207598989U (en) | 2018-07-10 |
Family
ID=62762177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721658198.8U Active CN207598989U (en) | 2017-12-04 | 2017-12-04 | A kind of high temperature and pressure parallel gate plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207598989U (en) |
-
2017
- 2017-12-04 CN CN201721658198.8U patent/CN207598989U/en active Active
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