CN207195741U - One kind encryption ball valve - Google Patents
One kind encryption ball valve Download PDFInfo
- Publication number
- CN207195741U CN207195741U CN201720974924.0U CN201720974924U CN207195741U CN 207195741 U CN207195741 U CN 207195741U CN 201720974924 U CN201720974924 U CN 201720974924U CN 207195741 U CN207195741 U CN 207195741U
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- CN
- China
- Prior art keywords
- valve
- ball
- valve body
- bonnet
- graphite
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- Expired - Fee Related
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Abstract
The utility model discloses one kind to encrypt ball valve, aim to provide a kind of high leakproofness, wear-resisting encryption ball valve, its drip irrigation device is a kind of encryption ball valve, including valve body, bonnet, the valve ball being placed between valve body and bonnet, valve body is threadedly coupled with bonnet, the valve rod being connected with valve ball is additionally provided with valve body, it is characterized in that：The valve rod is provided with stopper slot, the sealing ring contradicted with valve body is provided with stopper slot, valve body includes being used for the mounting hole for installing valve rod, inner wall of the hole installing is provided with the locating slot being placed at mounting hole aperture, the graphite annulus being placed on valve rod is provided with locating slot, step groove is additionally provided with the outer wall of graphite annulus, filling immersion oil asbestos yarn in step groove, the oilhole of step groove is communicated with the inwall of graphite annulus, the pad inconsistent with immersion oil asbestos yarn is provided with mounting hole, valve body is additionally provided with the clamp nut for compress gasket, and the utility model is applied to valve technology field.
Description
Technical field
A kind of valve technology field is the utility model is related to, more specifically, it relates to a kind of encryption ball valve.
Background technology
Ball valve is a kind of by valve rod drive valve ball and the valve to be rotated around valve ball axis, the regulation available for fluid
With control.
At present, the ball valve of in the market generally includes valve body, bonnet, valve rod and valve ball, and what is most easily occurred in use asks
Topic is to produce to produce leak, valve body and valve rod at the sealing between leak or valve ball and valve body at the sealing between valve rod and valve body
Between the single O-ring sealing of generally use, circle sealing is easy to wear and fail, and the sealing ring between valve ball and valve body is generally adopted
With single polytetrafluoroethylene (PTFE) material, but this sealing ring, when valve ball rotates producing friction can cause to wear, due to wearing it
After can produce gap, so sealing can be reduced, and after long-time use, if bonnet loosens with valve body, also result in influence it is close
Sealing between seal ring and valve ball, stability when valve ball rotates can also decline, further result between valve ball and valve body
Sealing declines.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model be to provide a kind of high leakproofness, it is wear-resisting plus
Close ball valve
To achieve the above object, the utility model provides following technical scheme：One kind encryption ball valve, including valve body, valve
The valve ball for covering, being placed between valve body and bonnet, valve body are threadedly coupled with bonnet, and the valve rod being connected with valve ball is additionally provided with valve body,
It is characterized in that：The valve rod is provided with stopper slot, and the sealing ring contradicted with valve body is provided with stopper slot, and valve body includes being used to install
The mounting hole of valve rod, inner wall of the hole installing are provided with the locating slot being placed at mounting hole aperture, are provided with and are placed on valve rod in locating slot
Graphite annulus, is additionally provided with step groove on the outer wall of graphite annulus, and filling immersion oil asbestos yarn in step groove, the inwall of graphite annulus, which is provided with, to be connected
The oilhole of logical step groove, mounting hole is interior to be provided with the pad inconsistent with immersion oil asbestos yarn, and valve body is additionally provided with for compress gasket
Clamp nut.
By using above-mentioned technical proposal, sealing ring makes to play a part of tentatively sealing between valve rod and valve body, graphite annulus
Play a part of further sealing, graphite annulus has good anti-wear performance, and clamp nut is connected with valve body screw thread, screws compression
Lower pressure is produced during nut to pad, improves the sealing between graphite annulus and locating slot, while immersion oil asbestos yarn is because of pad edge
Axially produce extruding, radially produce expansion, i.e., to graphite annulus produce radial compression, make mounting hole, graphite annulus and valve rod three it
Between preferably contact, and immersion oil asbestos yarn can exfiltrating part oil, the oil oozed out can flow to the inwall of graphite annulus through oil-through hole, that is, flow
To between graphite annulus and valve rod, the friction between graphite annulus and valve rod is reduced, while fluid side can be formed, is ensuring graphite annulus
The service life of graphite annulus is improved while sealing between valve rod.
The utility model is further arranged to：The locating ring for fixed valve ball is equipped with the valve body and in bonnet,
Be provided with elastic seal assembly between locating ring and valve ball, metal plate support that elastic seal assembly includes bonding successively, rubber bodies and
Graphite body, graphite body contradict with valve ball, and metal plate support includes first plate body parallel with positioning ring-side wall, inclined with positioning ring-side wall
The second plate body tiltedly set, is connected between the first plate body and the second plate body by stretch section, stretch section include the first curved portions and
Second curved portions, the first curved portions and the second curved portions connect S-shaped structure, and support bullet is provided between the first plate body and locating ring
Spring.
By using above-mentioned technical proposal, elastic seal assembly is connected between valve ball and locating ring, graphite conduct
Encapsulant extensive use, graphite body are made up with good anti-wear performance of graphite, reduce and contradicted between graphite body and valve ball
The abrasion in face, rubber bodies can make graphite body more preferable with valve ball to playing resilient support effect between graphite body and metal plate support
Sealing is contradicted, while rubber bodies are inconsistent with locating ring close to one end of the second plate body, can increase elastic seal assembly with determining
Sealing between the ring of position, avoids metal plate support and support spring corrosion, because metal plate support is thin sheet of metal, stress can produce
Elastic deformation, and the first curved portions connect S-shaped structure with the second curved portions, can improve the structural strength and bullet of metal plate support
Property, the conflict sealing of raising graphite body and valve ball, support spring can further increase the sealing between graphite body and valve ball
Property.
The utility model is further arranged to：The connection end of the valve body and bonnet is provided with the ring for being placed in valve interior wall
Groove, the interior filling anaerobic adhesive of annular groove.
By using above-mentioned technical proposal, annular groove can be connected with the internal thread of valve body, and anaerobic adhesive, anaerobism are filled in annular groove
Glue can be penetrated on the threaded ends of valve body and bonnet, play sealing function, and increases the connective stability of valve body and bonnet.
The utility model is further arranged to：Described valve rod one end is stretched out outside valve body and is connected with handle, and handle is provided with
Taper knob.
By using above-mentioned technical proposal, handle is easy to the rotation of valve rod, and taper knob is easy to the grasping of handle, and to handle
Play a protective role.
Brief description of the drawings
Fig. 1 is a kind of structural representation for encrypting ball valve embodiment of the utility model.
Fig. 2 is a kind of A portions mplifying structure schematic diagram for encrypting ball valve embodiment Fig. 1 of the utility model.
Fig. 3 is a kind of B portions mplifying structure schematic diagram for encrypting ball valve embodiment Fig. 1 of the utility model.
Embodiment
It is described further referring to figs. 1 to a kind of encryption ball valve embodiment of 3 pairs of the utility model.
One kind encryption ball valve, including valve body 1, bonnet 2, the valve ball 3 being placed between valve body 1 and bonnet 2, valve body 1 and bonnet 2
It is threadedly coupled, the valve rod 4 being connected with valve ball 3 is additionally provided with valve body 1, it is characterized in that：The valve rod 4 is provided with stopper slot, spacing
The sealing ring 5 contradicted with valve body 1 is provided with groove, valve body 1 includes being used for the mounting hole 6 for installing valve rod 4, and the inwall of mounting hole 6 is provided with
The locating slot 7 being placed at the aperture of mounting hole 6, is provided with the graphite annulus 8 being placed on valve rod 4 in locating slot 7, on the outer wall of graphite annulus 8
Step groove is additionally provided with, immersion oil asbestos yarn 9 is filled in step groove, the oilhole 10 of step groove, peace are communicated with the inwall of graphite annulus 8
Dress is provided with the pad 11 inconsistent with immersion oil asbestos yarn 9 in hole 6, and valve body 1 is additionally provided with the clamp nut 12 for compress gasket 11.
By using above-mentioned technical proposal, sealing ring 5 makes to play a part of tentatively sealing between valve rod 4 and valve body 1, graphite
Ring 8 plays a part of further sealing, and graphite annulus 8 has good anti-wear performance, and clamp nut 12 is threadedly coupled with valve body 1,
Lower pressure is produced when screwing clamp nut 12 to pad 11, improves the sealing between graphite annulus 8 and locating slot 7, while immersion oil
Asbestos yarn 9 radially produces expansion because pad 11 produces extruding vertically, i.e., produces radial compression to graphite annulus 8, make mounting hole 6,
Preferably contacted between graphite annulus 8 and the three of valve rod 4, and the meeting exfiltrating part oil of immersion oil asbestos yarn 9, the oil oozed out can be through oil-through hole
10 flow to the inwall of graphite annulus 8, that is, flow between graphite annulus 8 and valve rod 4, reduce the friction between graphite annulus 8 and valve rod 4, together
When can form fluid side, while sealing between graphite annulus 8 and valve rod 4 is ensured improve graphite annulus 8 service life.
The utility model is further arranged to：The positioning for fixed valve ball 3 is equipped with the valve body 1 and in bonnet 2
Ring 13, is provided with elastic seal assembly between locating ring 13 and valve ball 3, elastic seal assembly includes the metal plate support bonded successively
14th, rubber bodies 15 and graphite body 16, graphite body 16 contradict with valve ball 3, and metal plate support 14 includes parallel with the side wall of locating ring 13
First plate body 17, the second plate body 18 set with the sidewall slope of locating ring 13, pass through between the first plate body 17 and the second plate body 18
Stretch section connects, and stretch section includes the first curved portions 19 and the second curved portions 20, and the first curved portions 19 and the second curved portions 20 connect
S-shaped structure is connect, support spring 21 is provided between the first plate body 17 and locating ring 13.
By using above-mentioned technical proposal, elastic seal assembly is connected between valve ball 3 and locating ring 13, and graphite has been made
For encapsulant extensive use, graphite body 16 is made up with good anti-wear performance of graphite, reduce graphite body 16 and valve ball 3 it
Between resistance surface abrasion, rubber bodies 15 can to played between graphite body 16 and metal plate support 14 resilient support effect, make graphite body
16 preferably contradict with valve ball 3 and seal, while rubber bodies 15 are inconsistent close to one end of the second plate body 18 and locating ring 13, can be with
Increase the sealing between elastic seal assembly and locating ring 13, metal plate support 14 and the corrosion of support spring 21 are avoided, due to metal plate
Golden support 14 is thin sheet of metal, and stress can produce elastic deformation, and the first curved portions 19 and the second curved portions 20 connect S-shaped knot
Structure, the structural strength and elasticity of metal plate support 14 can be improved, improve the conflict sealing of graphite body 16 and valve ball 3, support bullet
Spring 21 can further increase the sealing between graphite body 16 and valve ball 3.
The utility model is further arranged to：The connection end of the valve body 1 and bonnet 2, which is provided with, is placed in the inwall of valve body 1
Annular groove 22, the interior filling anaerobic adhesive of annular groove 22.
By using above-mentioned technical proposal, annular groove 22 can connect with the internal thread of valve body 1, the filling anaerobism in annular groove 22
Glue, anaerobic adhesive can penetrate into valve body 1 with the threaded ends of bonnet 2, playing sealing function, and increase the company of valve body 1 and bonnet 2
Connect stability.
The utility model is further arranged to：Described one end of valve rod 4 is stretched out outside valve body 1 and is connected with handle 23, handle 23
It is provided with taper knob 24.
By using above-mentioned technical proposal, handle 23 is easy to the rotation of valve rod 4, and taper knob 24 is easy to the grasping of handle 23,
And handle 23 is played a protective role.
Preferred embodiment of the present utility model is the foregoing is only, not limiting the utility model, the skill of this area
Art personnel carry out common variations and alternatives in the range of technical solutions of the utility model should all be included in guarantor of the present utility model
In the range of shield.
Claims (4)
1. one kind encryption ball valve, including valve body, bonnet, the valve ball being placed between valve body and bonnet, valve body are threadedly coupled with bonnet,
The valve rod being connected with valve ball is additionally provided with valve body, it is characterized in that：The valve rod is provided with stopper slot, is provided with stopper slot and valve body
The sealing ring of conflict, valve body include being used for the mounting hole for installing valve rod, and inner wall of the hole installing, which is provided with to be placed at mounting hole aperture, determines
Position groove, locating slot is interior to be provided with the graphite annulus being placed on valve rod, and step groove is additionally provided with the outer wall of graphite annulus, leaching is filled in step groove
Oilstone cotton thread, the oilhole of step groove is communicated with the inwall of graphite annulus, is provided with mounting hole inconsistent with immersion oil asbestos yarn
Pad, valve body are additionally provided with the clamp nut for compress gasket.
2. a kind of encryption ball valve according to claim 1, it is characterized in that：It is equipped with the valve body and in bonnet for solid
Determine the locating ring of valve ball, elastic seal assembly is provided between locating ring and valve ball, elastic seal assembly includes the metal plate bonded successively
Golden support, rubber bodies and graphite body, graphite body contradict with valve ball, and metal plate support includes first plate parallel with positioning ring-side wall
Body, the second plate body set with locating ring sidewall slope, are connected, stretch section between the first plate body and the second plate body by stretch section
Including the first curved portions and the second curved portions, the first curved portions connect S-shaped structure, the first plate body and positioning with the second curved portions
Support spring is provided between ring.
3. a kind of encryption ball valve according to claim 1, it is characterized in that：The connection end of the valve body and bonnet is provided with and put
In filling anaerobic adhesive in the annular groove of valve interior wall, annular groove.
4. a kind of encryption ball valve according to claim 1, it is characterized in that：Described valve rod one end is stretched out outside valve body and is connected with
Handle, handle are provided with taper knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720974924.0U CN207195741U (en) | 2017-08-05 | 2017-08-05 | One kind encryption ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720974924.0U CN207195741U (en) | 2017-08-05 | 2017-08-05 | One kind encryption ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207195741U true CN207195741U (en) | 2018-04-06 |
Family
ID=61796586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720974924.0U Expired - Fee Related CN207195741U (en) | 2017-08-05 | 2017-08-05 | One kind encryption ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207195741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488785A (en) * | 2019-01-14 | 2019-03-19 | 上海万丰船舶设备有限公司 | The small-aperture ball valve of direct press type valve stem packing sealing |
-
2017
- 2017-08-05 CN CN201720974924.0U patent/CN207195741U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488785A (en) * | 2019-01-14 | 2019-03-19 | 上海万丰船舶设备有限公司 | The small-aperture ball valve of direct press type valve stem packing sealing |
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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 |
Granted publication date: 20180406 Termination date: 20210805 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |