CN207349476U - A kind of wedge action valve - Google Patents
A kind of wedge action valve Download PDFInfo
- Publication number
- CN207349476U CN207349476U CN201721308878.7U CN201721308878U CN207349476U CN 207349476 U CN207349476 U CN 207349476U CN 201721308878 U CN201721308878 U CN 201721308878U CN 207349476 U CN207349476 U CN 207349476U
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- China
- Prior art keywords
- valve
- flashboard
- sealing
- rod
- connecting plate
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Abstract
The utility model discloses a kind of wedge action valve, including valve deck and valve body, the top middle portion of the valve deck is provided with handwheel, the center bottom of handwheel is fixedly connected with one end of valve stem nut, valve stem nut is connected by floating bearing with valve deck, the other end of valve stem nut is provided with thread groove, valve rod is provided with thread groove, the one end of valve rod away from thread groove sets both sides to be both provided with flashboard, connecting plate is provided between two flashboards, the one end of valve rod away from thread groove is fixedly connected through the middle part of connecting plate and with connecting plate, sealing filled layer is provided between two flashboards, extension rod is provided with the middle part of sealing filled layer, sealing plate is provided with the middle part of flashboard, the both sides of extension rod are equipped with buffer bar, the side of one end fixed connection and sealing plate of the buffer bar away from extension rod.The utility model is provided with buffer bar by being provided with sealing plate on flashboard on extension rod, and buffer bar can play sealing plate certain cushion effect, certain protective effect is played to flashboard.
Description
Technical field
Gate valve correlative technology field is the utility model is related to, more particularly to a kind of wedge action valve.
Background technology
Valve be in fluid system, for control the direction of fluid, pressure, flow device, be to make pipe arrangement and equipment
Interior fluid flowing or stopping simultaneously controlling the device of its flow.Valve is pressed according to can structurally and functionally be divided into many types
It can be divided into gate valve, ball valve, butterfly valve, plunger valve, diaphragm valve, plug valve etc. according to structure, can be divided into check-valves, peace according to effect
Full valve, pressure reducing valve, drain valve etc..Wherein gate valve is an opening and closing element flashboard, and the direction of motion and flow direction of flashboard are perpendicular,
Gate valve can only make standard-sized sheet and fully closed.Gate valve flow resistance is small, is not likely to produce water hammer, and simple in structure, both sides are symmetrical, is applicable in model
Enclose very wide.But flashboard is tightly squeezed on the valve seat of valve body in gate valve opening-closing process, at this time to the current in valve body to flashboard
Form one impact force and pressure so that flashboard is easily damaged, most gate valves all because of the damage of flashboard and caused by reveal, finally
It can not just be continuing with, this serious curtailment service life of gate valve, limits the application of gate valve.Therefore, a kind of wedge shape of invention
Gate valve is necessary to solve the above problems.
The content of the invention
The purpose of this utility model is to provide a kind of wedge action valve, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical solution：A kind of wedge action valve, including valve deck and valve
Body, the valve deck are connected with valve body by fastening screw, and the top middle portion of valve deck is provided with handwheel, the center bottom of the handwheel
One end of valve stem nut is fixedly connected with, the valve stem nut is located in the groove in the middle part of valve deck, and valve stem nut passes through rotating shaft
Hold and be connected with valve deck, the floating bearing is located at the middle part of groove, and the other end of the valve stem nut is provided with thread groove, described
Valve rod is provided with thread groove, the one end of the valve rod away from thread groove sets both sides to be both provided with flashboard, and the flashboard is located at
The inner cavity top of valve body, connecting plate is provided between two flashboards, the one end of the valve rod away from thread groove is through connecting plate
Middle part is simultaneously fixedly connected with connecting plate, and sealing filled layer, the both sides difference of the sealing filled layer are provided between two flashboards
It is fitted and connected with two flashboards, is provided with extension rod in the middle part of the sealing filled layer, the top of the extension rod is fixedly connected
The bottom of valve rod, is provided with cavity in the middle part of the flashboard, sealing plate is provided with cavity, the both sides of the extension rod are equipped with
Buffer bar, the side of one end fixed connection and sealing plate of the buffer bar away from extension rod, the bottom of the valve deck upper groove is set
Sealing shroud is equipped with, sealing shroud is socketed in the outside of valve rod, two valve seats are provided with the middle part of the inner cavity of the valve body, the valve body
Intracavity bottom is provided with seal convexity, and the seal convexity is between two valve seats.
Preferably, the buffer bar is provided with multigroup, and every group is provided with two symmetrically arranged buffer bars, and two adjacent groups are delayed
Jumper bar spaced set.
Preferably, the valve seat is made of ring-type fixing plate, annular connecting plate and annular sealing strip, the ring-type fixing plate
It is entrenched on the side wall in the middle part of body cavity, the annular connecting plate fitting is arranged on the outside of ring-type fixing plate, the annular
Band is located at the outside of annular connecting plate.
Preferably, the length of the seal convexity is equal to the spacing of two flashboards.
Preferably, the lateral surface of the flashboard and the medial surface of valve seat are equipped with filler, and the filler is alkene asbestos packing
Filler.
Preferably, the valve deck and valve body are made of chrome-molybdenum steel, and the flashboard and valve seat add hard alloy system by steel alloy
Into the valve rod is made of chrome molybdenum aluminum steel, and the valve stem nut is made of copper alloy, and handwheel is made of malleable cast iron.
The technique effect and advantage of the utility model：The utility model on valve body by being provided with flashboard and valve seat, energy
It is enough to seal valve well；Sealing plate is provided with flashboard, buffer bar is provided with extension rod, sealing plate is in water
Displacement can be produced under the impact force and pressure of stream, buffer bar can play sealing plate certain cushion effect, flashboard be played necessarily
Protective effect so that flashboard is hardly damaged, and improves the service life of flashboard.
Brief description of the drawings
Fig. 1 is the utility model structural profile illustration.
Fig. 2 is structure enlargement diagram at A in the utility model Fig. 1.
In figure：Valve deck 1, valve body 2, handwheel 3, valve stem nut 4, floating bearing 5, valve rod 6, flashboard 7, connecting plate 8, sealing are filled out
Fill layer 9, extension rod 10, sealing plate 11, buffer bar 12, sealing shroud 13, valve seat 14, seal convexity 15.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
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 embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
The utility model provides a kind of wedge action valve as shown in Figs. 1-2, including valve deck 1 and valve body 2, the valve deck 1
Connected with valve body 2 by fastening screw, the top middle portion of valve deck 1 is provided with handwheel 3, and the center bottom of the handwheel 3, which is fixed, to be connected
One end of valve stem nut 4 is connect, the valve stem nut 4 is located in the groove at the middle part of valve deck 1, and valve stem nut 4 passes through floating bearing 5
It is connected with valve deck 1, the floating bearing 5 is located at the middle part of groove, and the other end of the valve stem nut 4 is provided with thread groove, institute
State and valve rod 6 is provided with thread groove, the one end of the valve rod 6 away from thread groove sets both sides to be both provided with flashboard 7, the flashboard
7 are located at the inner cavity top of valve body 2, are provided with connecting plate 8 between two flashboards 7, the described one end of valve rod 6 away from thread groove is run through
The middle part of connecting plate 8 is simultaneously fixedly connected with connecting plate 8, and sealing filled layer 9, the sealing filling are provided between two flashboards 7
The both sides of layer 9 are fitted and connected with two flashboards 7 respectively, and the middle part of the sealing filled layer 9 is provided with extension rod 10, the extension
The top of bar 10 is fixedly connected with the bottom of valve rod 6, and the middle part of the flashboard 7 is provided with cavity, sealing plate 11 is provided with cavity,
The both sides of the extension rod 10 are equipped with buffer bar 12, one end fixed connection and sealing plate of the buffer bar 12 away from extension rod 10
11 side, the bottom of 1 upper groove of valve deck are provided with sealing shroud 13, and sealing shroud 13 is socketed in the outside of valve rod 6, the valve
Two valve seats 14 are provided with the middle part of the inner cavity of body 2, the intracavity bottom of the valve body 2 is provided with seal convexity 15, and the sealing is convex
15 are played between two valve seats 14.
The buffer bar 12 is provided with multigroup, and every group is provided with two symmetrically arranged buffer bars 12, two adjacent groups buffering
12 spaced set of bar；The valve seat 14 is made of ring-type fixing plate, annular connecting plate and annular sealing strip, and the annular is fixed
Plate is entrenched on the side wall in the middle part of 2 inner cavity of valve body, and the annular connecting plate fitting is arranged on the outside of ring-type fixing plate, the ring
Shape band is located at the outside of annular connecting plate；The length of the seal convexity 15 is equal to the spacing of two flashboards 7；The flashboard
7 lateral surface and the medial surface of valve seat 14 are equipped with filler, and the filler is alkene asbestos packing filler；The valve deck 1 and valve body 2
It is made of chrome-molybdenum steel, the flashboard 7 and valve seat 14 add hard alloy to be made by steel alloy, and the valve rod 6 is made of chrome molybdenum aluminum steel,
The valve stem nut 4 is made of copper alloy, and handwheel 3 is made of malleable cast iron.
This practicality operation principle：When needing to close valve, handwheel 3 is first turned, handwheel 3 drives valve stem nut 4 to rotate, valve
Stem nut 4 is moved down by thread groove band ovable valve stem 6, and valve rod 6 drives two flashboards 7 to move down by connecting plate 8, until
Two flashboards 7 are contacted with the intracavity bottom of valve body 2, and two flashboards 7 are contacted with two valve seats 14 at this time, and the inner cavity of valve body 2 is close
Envelope, the water in 2 inner cavity of valve body can be to one impact force of formation of flashboard 7 and pressure, at this time impact of the sealing plate 11 in current at this time
Displacement can be produced under power and pressure, buffer bar 12 can play sealing plate 11 certain cushion effect, certain guarantor is played to flashboard 7
Shield acts on so that flashboard 7 is hardly damaged, and improves the service life of flashboard 7.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic
Equivalent substitution is carried out, where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of wedge action valve, including valve deck（1）And valve body（2）, the valve deck（1）And valve body（2）Connected by fastening screw,
It is characterized in that：Valve deck（1）Top middle portion be provided with handwheel（3）, the handwheel（3）Center bottom be fixedly connected with valve rod spiral shell
It is female（4）One end, the valve stem nut（4）Positioned at valve deck（1）In the groove at middle part, and valve stem nut（4）Pass through floating bearing
（5）With valve deck（1）Connection, the floating bearing（5）Positioned at the middle part of groove, the valve stem nut（4）The other end be provided with
Thread groove, is provided with valve rod in the thread groove（6）, the valve rod（6）One end away from thread groove sets both sides to be both provided with
Flashboard（7）, the flashboard（7）Positioned at valve body（2）Inner cavity top, two flashboards（7）Between be provided with connecting plate（8）, it is described
Valve rod（6）Connecting plate is run through in one end away from thread groove（8）Middle part and and connecting plate（8）It is fixedly connected, two flashboards（7）It
Between be provided with sealing filled layer（9）, the sealing filled layer（9）Both sides respectively with two flashboards（7）It is fitted and connected, it is described close
Seal filled layer（9）Middle part be provided with extension rod（10）, the extension rod（10）Top be fixedly connected with valve rod（6）Bottom,
The flashboard（7）Middle part be provided with cavity, be provided with sealing plate in cavity（11）, the extension rod（10）Both sides be equipped with
Buffer bar（12）, the buffer bar（12）Away from extension rod（10）One end fixed connection and sealing plate（11）Side, the valve
Lid（1）The bottom of upper groove is provided with sealing shroud（13）, sealing shroud（13）It is socketed in valve rod（6）Outside, the valve body（2）'s
Two valve seats are provided with the middle part of inner cavity（14）, the valve body（2）Intracavity bottom be provided with seal convexity（15）, it is described sealing it is convex
Rise（15）Positioned at two valve seats（14）Between.
A kind of 2. wedge action valve according to claim 1, it is characterised in that：The buffer bar（12）Be provided with it is multigroup, often
Group is provided with two symmetrically arranged buffer bars（12）, two adjacent groups buffer bar（12）Spaced set.
A kind of 3. wedge action valve according to claim 1, it is characterised in that：The valve seat（14）By ring-type fixing plate, ring
Shape connecting plate and annular sealing strip composition, the ring-type fixing plate are entrenched in valve body（2）On side wall in the middle part of inner cavity, the annular
Connecting plate is bonded the outside for being arranged on ring-type fixing plate, and the annular sealing strip is located at the outside of annular connecting plate.
A kind of 4. wedge action valve according to claim 1, it is characterised in that：The seal convexity（15）Length be equal to two
A flashboard（7）Spacing.
A kind of 5. wedge action valve according to claim 1, it is characterised in that：The flashboard（7）Lateral surface and valve seat
（14）Medial surface be equipped with filler, the filler is alkene asbestos packing filler.
A kind of 6. wedge action valve according to claim 1, it is characterised in that：The valve deck（1）And valve body（2）By chrome-molybdenum steel
It is made, the flashboard（7）And valve seat（14）It is made of steel alloy plus hard alloy, the valve rod（6）It is made of chrome molybdenum aluminum steel, institute
State valve stem nut（4）It is made of copper alloy, handwheel（3）It is made of malleable cast iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308878.7U CN207349476U (en) | 2017-10-12 | 2017-10-12 | A kind of wedge action valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308878.7U CN207349476U (en) | 2017-10-12 | 2017-10-12 | A kind of wedge action valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207349476U true CN207349476U (en) | 2018-05-11 |
Family
ID=62358601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721308878.7U Expired - Fee Related CN207349476U (en) | 2017-10-12 | 2017-10-12 | A kind of wedge action valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207349476U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775444A (en) * | 2018-08-24 | 2018-11-09 | 江苏华太电力仪表有限公司 | A kind of multi-functional whole bonnet formula needle-valve |
| CN113700882A (en) * | 2021-08-16 | 2021-11-26 | 凯斯通阀门有限公司 | Accumulated water discharge type gate valve |
-
2017
- 2017-10-12 CN CN201721308878.7U patent/CN207349476U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775444A (en) * | 2018-08-24 | 2018-11-09 | 江苏华太电力仪表有限公司 | A kind of multi-functional whole bonnet formula needle-valve |
| CN113700882A (en) * | 2021-08-16 | 2021-11-26 | 凯斯通阀门有限公司 | Accumulated water discharge type gate valve |
| CN113700882B (en) * | 2021-08-16 | 2023-09-29 | 凯斯通阀门有限公司 | Ponding drainage type gate valve |
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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: 20180511 Termination date: 20201012 |