CN209041694U - A kind of instrument valve of good airproof performance - Google Patents
A kind of instrument valve of good airproof performance Download PDFInfo
- Publication number
- CN209041694U CN209041694U CN201821713370.XU CN201821713370U CN209041694U CN 209041694 U CN209041694 U CN 209041694U CN 201821713370 U CN201821713370 U CN 201821713370U CN 209041694 U CN209041694 U CN 209041694U
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- CN
- China
- Prior art keywords
- valve
- wall
- valve body
- fixedly connected
- sealing ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to instrument valve technical fields, and disclose a kind of instrument valve of good airproof performance, including valve body, the upper surface of the valve body is fixedly connected with valve pocket, the internal activity of the valve pocket is plugged with valve rod, handwheel is fixedly connected at the top of the valve rod, the both ends of the valve body are fixedly connected to flange plate, the inside of the flange plate is connected to the inside of valve body, the inside of the valve interior wall offers limiting slot, and the limiting slot offers limited mouth close to the side inner wall of valve inner.The instrument valve of the good airproof performance; the space of sealing is formed by the inside of sealing plate and seal groove; play the role of certain resilient support to sealing ring using connecting rod; the gap generated when conveniently connecting sealing ring flange plate with external equipment stops; have the function that improve valve inner leakproofness; stability when transporting to liquid is improved, preferable protective effect is played.
Description
Technical field
The utility model relates to instrument valve technical field, specially a kind of instrument valve of good airproof performance.
Background technique
Instrument valve is a kind of pipeline fittings.It is for changing access section and flow direction of medium, and control conveying is situated between
A kind of dynamic device of mass flow.The sealing performance of instrument valve refers to the ability that each sealing position of instrument valve prevents dielectric leakage,
It is the most important technical performance index of instrument valve.Specifically, instrument valve has following several purposes: connecting or truncation is managed
Medium in road, adjust, in control piper medium flow and pressure, change the direction of media flow in pipeline, prevent pipeline
In medium flow backwards, separating medium, instruction and regulating liquid surface height etc..So instrument valve rises in petrochemical industry energy construction
To more important application.
The valve body of instrument valve is usually only attached by flange plate when being attached with other pipelines, is made for a long time
With rear, coupling part is easy to happen certain erosion, and the situation for causing connecting portion leakproofness poor be easy to cause liquid leakage
The problem of.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of instrument valve of good airproof performance, solves instrument
Leakproofness poor face when valve is connect with pipeline, the problem of being easy to cause liquid leakage in valve.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of instrument valve of good airproof performance, including
Valve body, the upper surface of the valve body are fixedly connected with valve pocket, and the internal activity of the valve pocket is plugged with valve rod, the top of the valve rod
Portion is fixedly connected with handwheel, and the both ends of the valve body are fixedly connected to flange plate, the inside of the flange plate and valve body it is interior
Portion's connection, the inside of the valve interior wall offer limiting slot, and the limiting slot is offered close to the side inner wall of valve inner
Limited mouth, the inside of the limited mouth are connected to the inside of valve body, and the two sides of the valve interior wall are fixedly connected to fixed ring,
Top and bottom inside two fixed rings offer seal groove, side inner wall point of the seal groove close to flange plate
The inside of positioning port and a seal there are two not opening up, the positioning port and seal is connected to the inside of valve body respectively,
The internal slide of the seal groove is connected with sealing plate, and the sealing plate has been respectively fixedly connected with company close to the one side of flange plate
Extension bar and locating rod, the surface activity of the locating rod are plugged on the inside of positioning port, the connecting rod far from sealing plate one
Across the inside of seal, one end that the connecting rod is located at outside fixed ring is fixedly connected with sealing ring, the sealing ring at end
Outer surface be fixedly connected with gag lever post, the gag lever post passes through the inside of limited mouth far from one end of sealing ring and extends to
The inside of limiting slot, one end that the gag lever post is located inside limiting slot are fixedly connected with limited block, and the sealing ring is located at method
The inside of blue piece.
Preferably, the valve pocket is located at the center of valve body upper surface, and the inside of valve pocket is connected to the inside of valve body.
Preferably, the seal is located between two positioning ports, and the diameter of positioning port inner wall and locating rod outer wall
Diameter is adapted.
Preferably, the outer wall of the sealing plate is provided with rubber sealant, and the outer wall of rubber sealant and seal groove
Inner wall overlap joint.
Preferably, the width of the limiting slot inner wall is twice of limited mouth inner wall width, and the width of limited mouth inner wall
It is adapted with the width of gag lever post.
Preferably, the inner wall of the outer surface of the sealing ring and flange plate overlaps, and sealing ring is rubber ring.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of instrument valve of good airproof performance, has following beneficial to effect
Fruit:
1, the instrument valve of the good airproof performance forms the space of sealing by the inside of sealing plate and seal groove, using even
Extension bar plays the role of certain resilient support to sealing ring, generates when conveniently connecting sealing ring flange plate with external equipment
Gap is stopped, and is haved the function that improve valve inner leakproofness, is improved stability when transporting to liquid, play compared with
Good protective effect.
2, the instrument valve of the good airproof performance is moved in limited mouth and positioning port by gag lever post with locating rod respectively
It is dynamic, keep sealing ring more stable when being moved, guarantees the compactness that sealing ring is bonded with valve interior wall.
Detailed description of the invention
Fig. 1 is the utility model structure front elevational view；
Fig. 2 is the fixed ring structure front elevational view of the utility model；
Fig. 3 is the utility model valve body structure front elevational view.
In figure: 1 valve body, 2 valve pockets, 3 valve rods, 4 handwheels, 5 flange plates, 6 limiting slots, 7 limited mouths, 8 fixed rings, 9 seal grooves,
10 positioning ports, 11 seals, 12 sealing plates, 13 connecting rods, 14 locating rods, 15 sealing rings, 16 gag lever posts, 17 limited blocks.
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 making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3, a kind of instrument valve of good airproof performance, including valve body 1, the upper surface of valve body 1 is please referred to be fixedly connected with
Valve pocket 2, valve pocket 2 is located at the center of 1 upper surface of valve body, and the inside of valve pocket 2 is connected to the inside of valve body 1, the inner wall of valve pocket 2 with
The surface Jun Chong of valve rod 3 is milled with screw thread, and the screw thread of 2 inner wall of valve pocket is engaged with the screw thread on 3 surface of valve rod, and rotation handwheel 4 can be with
Band ovable valve stem 3 is rotated inside valve pocket 2, can be controlled moving up and down for valve rod 3 using screw thread, be reached regulating valve
The effect of 1 inner stream flow size of body, the internal activity of valve pocket 2 are plugged with valve rod 3, and the top of valve rod 3 is fixedly connected with handwheel 4,
The both ends of valve body 1 are fixedly connected to flange plate 5, and the inside of flange plate 5 is connected to the inside of valve body 1, the inside of 1 inner wall of valve body
Limiting slot 6 is offered, side inner wall of the limiting slot 6 inside valve body 1 offers limited mouth 7, and the width of 6 inner wall of limiting slot is
Twice of 7 inner wall width of limited mouth, and the width of 7 inner wall of limited mouth is adapted with the width of gag lever post 16, it is ensured that limit
Bar 16 stable can be moved inside limited mouth 7, and biggish limited block 17, which plays, prevents gag lever post 16 to be detached from limited mouth 7
Effect, the inside of limited mouth 7 is connected to the inside of valve body 1, and the two sides of 1 inner wall of valve body are fixedly connected to fixed ring 8, two
Top and bottom inside fixed ring 8 offer seal groove 9, and seal groove 9 offers respectively close to the side inner wall of flange plate 5
The inside of two positioning ports 10 and a seal 11, positioning port 10 and seal 11 is connected to the inside of valve body 1 respectively, sealing
Mouth 11 is located between two positioning ports 10, and the diameter of 10 inner wall of positioning port is adapted with the diameter of 14 outer wall of locating rod, positioning
Bar 14 is moved in positioning port 10, and the mobile stability of sealing plate 12, seal groove 9 are improved when sealing plate 12 is moved
Internal slide be connected with sealing plate 12, the outer wall of sealing plate 12 is provided with rubber sealant, and the outer wall of rubber sealant with
The inner wall of seal groove 9 overlaps, and guarantees the leakproofness inside sealing plate 12 and seal groove 9, makes sealing plate 12 always to sealing ring 15
Certain elastic thrust is played, is sealed sealing ring 15 to the gap between flange plate 5 and external pipe, sealing plate
12 have been respectively fixedly connected with connecting rod 13 and locating rod 14, the surface activity grafting of locating rod 14 close to the one side of flange plate 5
In the inside of positioning port 10, connecting rod 13 passes through the inside of seal 11 far from one end of sealing plate 12, and connecting rod 13 is located at solid
Determine one end outside ring 8 and be fixedly connected with sealing ring 15, the outer surface of sealing ring 15 and the inner wall of flange plate 5 overlap, and seal
Ring 15 is rubber ring, and sealing ring 15 is pasted with 1 inner wall of valve body with external pipe always under the thrust of sealing plate 12
It closes, has the function that improve 1 inner sealing of valve body, the outer surface of sealing ring 15 is fixedly connected with gag lever post 16, gag lever post
16 one end far from sealing ring 15 pass through the inside of limited mouth 7 and extend to the inside of limiting slot 6, and gag lever post 16 is located at limiting slot
One end inside 6 is fixedly connected with limited block 17, and sealing ring 15 is located at the inside of flange plate 5, passes through sealing plate 12 and seal groove 9
Inside formed sealing space, play the role of certain resilient support to sealing ring 15 using connecting rod 13, conveniently make to seal
The gap that ring 15 generates when connecting to flange plate 5 with external equipment stops, and reaches the work for improving 1 inner sealing of valve body
With improving stability when transporting to liquid, play preferable protective effect, pass through gag lever post 16 and locating rod 14 is distinguished
It is moved in limited mouth 7 and positioning port 10, keeps sealing ring 15 more stable when being moved, guarantee sealing ring 15 and valve
The compactness of 1 inner wall of body fitting.
When in use, flange plate 5 is connect with external pipe, external pipe squeezes sealing ring 15, sealing ring 15
Limited block 17 is driven to be moved in limiting slot 6 using gag lever post 16, sealing ring 15 drives sealing plate 12 using connecting rod 13
Air in seal groove 9 is squeezed, sealing plate 12 drives locating rod 14 to be moved in positioning port 10, and sealing ring 15 divides
It is not in close contact with external pipe and 1 inner wall of valve body, has the function that improve 1 inner sealing of valve body, it can band using handwheel 4
Ovable valve stem 3 is rotated, convenient to control the flow inside valve body 1.
In conclusion the instrument valve of the good airproof performance, forms the sky of sealing by the inside of sealing plate 12 and seal groove 9
Between, play the role of certain resilient support to sealing ring 15 using connecting rod 13, conveniently makes sealing ring 15 to flange plate 5 and outside
The gap that equipment generates when connecting is stopped, and has the function that improve 1 inner sealing of valve body, liquid is transported in raising
When stability, preferable protective effect is played, through gag lever post 16 and locating rod 14 respectively in limited mouth 7 and positioning port 10
It is moved, keeps sealing ring 15 more stable when being moved, guarantee the compactness that sealing ring 15 is bonded with 1 inner wall of valve body.
It should be noted that, in this document, such as the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of instrument valve of good airproof performance, including valve body (1), it is characterised in that: the upper surface of the valve body (1) is fixed to be connected
It is connected to valve pocket (2), the internal activity of the valve pocket (2) is plugged with valve rod (3), is fixedly connected with hand at the top of the valve rod (3)
It takes turns (4), the both ends of the valve body (1) are fixedly connected to flange plate (5), and the inside of the flange plate (5) is interior with valve body (1)
Portion's connection, the inside of valve body (1) inner wall offer limiting slot (6), and the one of the limiting slot (6) close valve body (1) inside
Side inner wall offers limited mouth (7), and the inside of the limited mouth (7) is connected to the inside of valve body (1), valve body (1) inner wall
Two sides be fixedly connected to fixed ring (8), two internal top and bottom of the fixed rings (8) offer seal groove
(9), side inner wall of the seal groove (9) close to flange plate (5) is opened up respectively there are two positioning port (10) and a seal
(11), the inside of the positioning port (10) and seal (11) is connected to the inside of valve body (1) respectively, the seal groove (9)
Internal slide is connected with sealing plate (12), and one side of the sealing plate (12) close to flange plate (5) has been respectively fixedly connected with company
The surface activity of extension bar (13) and locating rod (14), the locating rod (14) is plugged on the inside of positioning port (10), the connection
Bar (13) passes through the inside of seal (11) far from the one end of sealing plate (12), and the connecting rod (13) is located at fixed ring (8) outside
The one end in portion is fixedly connected with sealing ring (15), and the outer surface of the sealing ring (15) is fixedly connected with gag lever post (16), described
Gag lever post (16) passes through the inside of limited mouth (7) far from the one end of sealing ring (15) and extends to the inside of limiting slot (6), described
Gag lever post (16) is located at the internal one end of limiting slot (6) and is fixedly connected with limited block (17), and the sealing ring (15) is located at flange
The inside of piece (5).
2. a kind of instrument valve of good airproof performance according to claim 1, it is characterised in that: the valve pocket (2) is located at valve
The center of body (1) upper surface, and the inside of valve pocket (2) is connected to the inside of valve body (1).
3. a kind of instrument valve of good airproof performance according to claim 1, it is characterised in that: the seal (11) is located at
Between two positioning ports (10), and the diameter of positioning port (10) inner wall is adapted with the diameter of locating rod (14) outer wall.
4. a kind of instrument valve of good airproof performance according to claim 1, it is characterised in that: outside the sealing plate (12)
Wall is provided with rubber sealant, and the outer wall of rubber sealant and the inner wall of seal groove (9) overlap.
5. a kind of instrument valve of good airproof performance according to claim 1, it is characterised in that: limiting slot (6) inner wall
Width be twice of limited mouth (7) inner wall width, and the width of the width and gag lever post (16) of limited mouth (7) inner wall is mutually fitted
Match.
6. a kind of instrument valve of good airproof performance according to claim 1, it is characterised in that: outside the sealing ring (15)
The inner wall of surface and flange plate (5) overlaps, and sealing ring (15) is rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821713370.XU CN209041694U (en) | 2018-10-23 | 2018-10-23 | A kind of instrument valve of good airproof performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821713370.XU CN209041694U (en) | 2018-10-23 | 2018-10-23 | A kind of instrument valve of good airproof performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209041694U true CN209041694U (en) | 2019-06-28 |
Family
ID=67036880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821713370.XU Expired - Fee Related CN209041694U (en) | 2018-10-23 | 2018-10-23 | A kind of instrument valve of good airproof performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209041694U (en) |
-
2018
- 2018-10-23 CN CN201821713370.XU patent/CN209041694U/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: 20190628 Termination date: 20201023 |