CN207393994U - A kind of Small-scale Flat gate valve - Google Patents
A kind of Small-scale Flat gate valve Download PDFInfo
- Publication number
- CN207393994U CN207393994U CN201721492638.7U CN201721492638U CN207393994U CN 207393994 U CN207393994 U CN 207393994U CN 201721492638 U CN201721492638 U CN 201721492638U CN 207393994 U CN207393994 U CN 207393994U
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- board
- gate
- valve
- binding face
- main gate
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Abstract
The utility model discloses a kind of Small-scale Flat gate valves, including valve body, valve seat, two fit together, the main gate-board of binding face wedgewise, auxiliary gate-board, and the valve rod being connected with the main gate-board, side where being located at binding face on the main gate-board is provided with dovetail groove, and side where being located at binding face on the auxiliary gate-board is provided with dovetail key, and the dovetail key is slidably matched with the dovetail groove.The utility model is by setting dovetail groove dovetail key mechanism on the binding face that is formed between main gate-board and auxiliary gate-board, due to the presence of the structure, so that the direction that main gate-board can be limited in uphill process along dovetail groove dovetail key is moved, in the case where not increasing constraint component, also function to constraint position-limiting action, more importantly, it is arranged on due to the restraining structure on the binding face between major-minor flashboard, without additionally increasing the cross-sectional area of flashboard, it is ensured that the feasibility of gate valve Miniaturization Design.
Description
Technical field
The utility model is related to valve technology field, more particularly to a kind of gate valve.
Background technology
It is well known that gate valve struts realization sealing by two shoe brake plates, even if sealing surface has abrasion, increase can also be passed through
The degree that struts of flashboard realizes reliable sealing.In the prior art, gate valve is most of using two pieces of wedgewises that are superimposed
The flashboard of shape, in order to ensure uniformity of two flashboards when vertically movable, generally require two flashboards axial direction it
Between the constraint component of similar torsional spring part is set, constraint component is typically to be installed in valve assembling process.Additional constraint component increases
The big cross-sectional area of flashboard, therefore body cavity be also required to increase accordingly.In some particular applications requirement valve body foot
Enough small, the gate valve of said structure cannot be well adapted for.Therefore, it is necessary to develop a kind of flat gate valve of miniaturization.
Utility model content
Based on described above, it is relatively simple that the purpose of this utility model is to provide a kind of structure, without adding constriction
The flat gate valve of part, the gate valve can be further reduced due to eliminating constraint component, volume, meet special operation condition
Demand.
The utility model is realized by the following technical solutions：
A kind of Small-scale Flat gate valve, including valve body, valve seat, two fit together, the main gate-board of binding face wedgewise, secondary lock
Plate and the valve rod being connected with the main gate-board, side where being located at binding face on the main gate-board are provided with dovetail groove, the pair
Side where being located at binding face on flashboard is provided with dovetail key, and the dovetail key is slidably matched with the dovetail groove.
The upper end of the main gate-board is provided with the extension of integral structure, and the lower end of the extension offers annular groove, institute
State one bolt for being connected to valve rod lower end of clamping in annular groove；The upper end of the auxiliary gate-board is more than that the part of bolt head is provided with one
A block, the block are overlapped on the seam allowance on valve body top.
The body cavity is also set up there are one guide plate, and the guide plate is parallel with the auxiliary gate-board direction of motion and between being formed
Stand-off distance from.
Flashboard is designed as the parallel double-flashboard structure with wedge shape in this flat gate valve, and two parallel gate plates are bonded to each other.Work as valve
When door is opened, valve rod drives main gate-board up to move, and main gate-board passes through the dovetail key swallow on inclined-plane during up moving
The effect of stern notch drives auxiliary gate-board to be moved toward valve rod center, so that auxiliary gate-board departs from sealing surface of seat, valve rod continues past move up
It is dynamic, main gate-board, auxiliary gate-board are up moved simultaneously by the block on auxiliary gate-board, so as to open valve completely；When valve is closed
When, valve rod is moved together with main gate-board, auxiliary gate-board, and when the block on auxiliary gate-board contacts valve body, auxiliary gate-board stopping moves down,
Valve rod continues to press on main gate-board and moves down, while pushes against auxiliary gate-board, make main gate-board and auxiliary gate-board simultaneously with two sealing surface of seats
Contact, reaches sealing.
The beneficial effects of the utility model are：
The utility model is by setting dovetail groove dovetail key machine on the binding face that is formed between main gate-board and auxiliary gate-board
Structure, due to the presence of the structure so that main gate-board can move in uphill process along the direction that dovetail groove dovetail key is limited
It is dynamic, in the case where not increasing constraint component, also function to constraint position-limiting action, it is often more important that, since the restraining structure is set
On binding face between major-minor flashboard, without additionally increase flashboard cross-sectional area, it is ensured that gate valve Miniaturization Design can
Row.
Description of the drawings
Fig. 1 is the utility model structure partial figure.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described further the utility model.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
As shown in Figure 1, present embodiments providing a kind of Small-scale Flat gate valve, including valve body 1, valve seat 2, two are fitted in one
It rises, the main gate-board 3 of binding face wedgewise, auxiliary gate-board 4 and the valve rod 5 being connected with the main gate-board.Valve seat 2 can be fixed
Valve seat can also elastic seat.
Flap cross section is reduced in order to reach, and then reduces valve volume, side where being located at binding face on the main gate-board 3
Be provided with dovetail groove 8, side where being located at binding face on the auxiliary gate-board 4 is provided with dovetail key 9, the dovetail key 9 with it is described
Dovetail groove 8 is slidably matched.In other words, the constraint both realized by the structure of dovetail groove 8, dovetail key 9, due to dovetail groove 8,
Dovetail key 9 is provided on binding face therebetween, so the cross-sectional area without additionally increasing flashboard, it is empty to reduce installation
Between.
On concrete structure, the extension 6 of integral structure, the lower end of the extension 6 can be provided in the upper end of main gate-board 3
Annular groove 60 is offered, a bolt for being connected to 5 lower end of valve rod is clamped in the annular groove 60, valve rod 5 and master so can be realized
The connection of flashboard 3；The upper end of the auxiliary gate-board 4 is more than to be set on the part of bolt head there are one block 7, and the block 7 is taken
It is connected on the seam allowance 10 on 1 top of valve body.The purpose that block 7 is set is illustrated by the course of work below.Further preferred side
Case can also set the extension of an integral structure in the upper end of auxiliary gate-board 4, extend in the structure and main gate-board of the extension
Seemingly, the block 7 is connected on the extension category.
In order to ensure auxiliary gate-board 4 smoothly moves up and down, 1 inner cavity of valve body is also provided with a guide plate 40, described
Guide plate 40 is located at this one side of auxiliary gate-board 4, and formation clearance distance parallel with 4 direction of motion of auxiliary gate-board.Clearance distance and valve
Seat is related, and when valve seat is fixed valve base, the clearance distance is smaller, and when valve seat is elastic seat, which suitably increases
Add, design parameter is determined by valve model.
The course of work of this gate valve is：When valve opening, valve rod 5 drives main gate-board 3 up to move, and main gate-board 3 is past
During upper movement, by the effect of dovetail key 9, dovetail groove 8 on inclined-plane auxiliary gate-board 4 is driven to be moved toward valve rod center, from
And auxiliary gate-board 4 is made to depart from 2 sealing surface of valve seat, valve rod 5 continues up to move, by the block 7 on auxiliary gate-board 4 by main gate-board 3, secondary
Flashboard 4 up moves simultaneously, so as to open valve completely；When the valve is closed, valve rod 5 moves together with main gate-board 3, auxiliary gate-board 4
Dynamic, when the block 7 on auxiliary gate-board 4 contacts valve body 1, the stopping of auxiliary gate-board 4 moves down, and valve rod continues to press on main gate-board 3 down
It is mobile, while auxiliary gate-board 4 is pushed against, main gate-board 3 is made to be contacted simultaneously with two valve seats, 2 sealing surface with auxiliary gate-board 4, reaches sealing.
It follows that this gate valve can realize forced seal, compensation can be achieved in either sealing or soft seal firmly, close
Envelope property is good.
Above-described embodiment is the preferred embodiment of the utility model, is not the limit to technical solutions of the utility model
System, as long as without the technical solution that creative work can be realized on the basis of above-described embodiment, is regarded as falling into
In the rights protection scope of the utility model patent.
Claims (3)
1. a kind of Small-scale Flat gate valve, including valve body（1）, valve seat（2）, two fit together, the main gate-board of binding face wedgewise
（3）, auxiliary gate-board（4）And the valve rod being connected with the main gate-board（5）, it is characterised in that：The main gate-board（3）It is upper to be located at patch
Side where conjunction face is provided with dovetail groove（8）, the auxiliary gate-board（4）The upper binding face place side that is located at is provided with dovetail key（9）, it is described
Dovetail key（9）With the dovetail groove（8）It is slidably matched.
A kind of 2. Small-scale Flat gate valve according to claim 1, which is characterized in that the main gate-board（3）Upper end set
There is the extension of integral structure（6）, the extension（6）Lower end offer annular groove（60）, the annular groove（60）Middle clamping one
It is a to be connected to valve rod（5）The bolt of lower end；The auxiliary gate-board（4）Upper end be more than to be set on the part of bolt head there are one block
（7）, the block（7）It is overlapped on valve body（1）The seam allowance on top（10）On.
A kind of 3. Small-scale Flat gate valve according to claim 2, which is characterized in that the valve body（1）Inner cavity is additionally provided with
One guide plate（40）, the guide plate（40）With auxiliary gate-board（4）The direction of motion is parallel and forms clearance distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721492638.7U CN207393994U (en) | 2017-11-10 | 2017-11-10 | A kind of Small-scale Flat gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721492638.7U CN207393994U (en) | 2017-11-10 | 2017-11-10 | A kind of Small-scale Flat gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207393994U true CN207393994U (en) | 2018-05-22 |
Family
ID=62325755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721492638.7U Active CN207393994U (en) | 2017-11-10 | 2017-11-10 | A kind of Small-scale Flat gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207393994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483988A (en) * | 2022-04-06 | 2022-05-13 | 成都乘风阀门有限责任公司 | High-pressure wear-resistant gate valve |
-
2017
- 2017-11-10 CN CN201721492638.7U patent/CN207393994U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483988A (en) * | 2022-04-06 | 2022-05-13 | 成都乘风阀门有限责任公司 | High-pressure wear-resistant gate valve |
| CN114483988B (en) * | 2022-04-06 | 2022-06-17 | 成都乘风阀门有限责任公司 | High-pressure wear-resistant gate valve |
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