CN208024873U - A kind of Fluorine-lined ball valve - Google Patents
A kind of Fluorine-lined ball valve Download PDFInfo
- Publication number
- CN208024873U CN208024873U CN201820199174.9U CN201820199174U CN208024873U CN 208024873 U CN208024873 U CN 208024873U CN 201820199174 U CN201820199174 U CN 201820199174U CN 208024873 U CN208024873 U CN 208024873U
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- Prior art keywords
- ball valve
- fluorine
- lined
- valve body
- sphere
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Abstract
The utility model discloses a kind of Fluorine-lined ball valves,Solve the problems, such as that the fluid in pipeline is easy to go out from valve rod and the leakage of the gap location of ball valve body,Its key points of the technical solution are that a kind of Fluorine-lined ball valve,Including ball valve body,Valve rod and sphere,The sphere is arranged in ball valve body,The valve rod is threaded onto inside ball valve body and one end is fixedly connected on the other end on sphere and extends to outside ball valve body,It is characterized in that,It is additionally provided with the upper cover being movably arranged on the outside of valve rod above the ball valve body,The side that the upper cover is located at valve rod is offered for filler loading packing groove,It is additionally provided with the gland for compressing filler on the upper lid,The side evagination that the ball valve body is located at packing groove is formed with baffle ring,The leakproofness between ball valve body and valve rod can be improved,Gap location of the fluid between valve rod and ball valve body in pipeline is avoided to leak and go out.
Description
Technical field
The utility model is related to pipe-line control valve, more particularly to a kind of Fluorine-lined ball valve.
Background technology
Valve is a kind of universal machine product having a large capacity and a wide range, and application range is very extensive.It conveys flow medium and be unable to do without pipe
Road, and control media flow and then be unable to do without valve.Every place for needing to control flow media, it is necessary to install valve
Door, valve can be likened to " throat of pipeline ".Ball valve is a kind of valve to come out the fifties in last century, in time over half a century
In, ball valve has been developed as a kind of main valve class, and ball valve passes through the improvement and development of decades, is now widely used in energy
The fields such as source, oil, chemical industry, metallurgy, the effects that playing current-carrying, control.It can be seen that ball valve has huge market in China
Potentiality.
Chinese utility model if Authorization Notice No. is CN206246724U proposes a kind of Fluorine-lined ball valve, including handle,
Ball valve body, sphere, circulation duct, closing cover, internal thread of sleeve and sealing ring, the handle lower section are connected with valve rod, and valve
Bearing body is provided with outside bar.
The Fluorine-lined ball valve can realize the control of fluid circuit, but to realize the rotation of valve rod to drive sphere control pipe
The keying on road can have certain interval between valve rod and ball valve body, so be easy to cause fluid in pipeline from valve rod and ball
The gap location of valve body leaks and goes out.
Utility model content
The purpose of this utility model is to provide a kind of Fluorine-lined ball valve, can improve the sealing between ball valve body and valve rod
Property, avoid gap location of the fluid between valve rod and ball valve body in pipeline from leaking and go out.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of Fluorine-lined ball valve, including ball valve body, valve rod and sphere, the sphere are arranged in ball valve body, the valve
Bar is threaded onto inside ball valve body and one end is fixedly connected on the other end on sphere and extends to outside ball valve body, the ball valve body
Top is additionally provided with the upper cover being sleeved on the outside of valve rod, and the side that the upper cover is located at valve rod is offered for filler loading filler
Slot is additionally provided with the gland for compressing filler on the upper lid, and the side evagination that the valve rod is located in packing groove is formed
There is baffle ring.
By using above-mentioned technical proposal, by the way that filler to be packed into packing groove, filler is made of polytetrafluoroethylene material,
The material has the characteristics that preferable antiacid alkali resistant, resists various organic solvents, is filled out the filler merging made of the material
In hopper, filler is pressed in packing groove by gland, can preferably avoid fluid in pipeline from ball valve body and valve
The gap location of bar leaks and goes out, and by the design of baffle ring, enables to have connecing for bigger on the outside of filler and valve rod in packing groove
Contacting surface is accumulated, and gap location outflow of the fluid in pipeline between ball valve body and valve rod can be further avoided.
Preferably, the baffle ring is arranged along valve rod axially spaced-apart, and it is formed with seal groove between adjacent two baffle ring, it is described
Sealing ring is embedded in seal groove.
By using above-mentioned technical proposal, it is arranged by the interval of baffle ring and forms seal groove between baffle ring and sealing
It is embedded sealing ring in slot, the leakage of the fluid in pipeline can be further avoided and gone out.
Preferably, the gland is provided with the pressure ring abutted against with the top baffle ring inside embedded packing groove.
By using above-mentioned technical proposal, by the design of gland upper press ring, pressure ring can be by filling out in packing groove
Material compresses, and keeps filler more closely knit, being capable of further leakproofness between poppet stem and ball valve body.
Preferably, the week edge that the upper cover is located at packing groove opening is provided with protection ring.
By using above-mentioned technical proposal, when gland is connect with upper cover, pressure ring is easy to make the opening of packing groove
The opening of packing groove can be protected by the design of protection ring at damage, gland is avoided to be connect with upper cover
When, pressure ring damages the opening of packing groove.
Preferably, the valve rod includes the transmission rod being wholely set with sphere and cross section is non-circular screws
Bar.
By using above-mentioned technical proposal, by by transmission rod and screwing the design of bar, the cross section for screwing bar is non-
Circle, external control-rod can be set in screw preferably drives sphere to be rotated outside bar, to realize the keying of pipeline.
Preferably, the peripheral side of the sphere and transmission rod is coated with Fluorine-lined lantern ring, it is described to screw bar and transmission rod
Between be provided with the abutting disk abutted against with Fluorine-lined lantern ring.
By using above-mentioned technical proposal, Fluorine-lined lantern ring can play protecting effect to sphere and transmission rod, avoid fluid
Highly basic strongly acidic solution in pipeline causes to corrode to sphere and transmission rod, and by abutting the design of disk, abutting disk can be to packet
The Fluorine-lined lantern ring overlayed on the outside of transmission rod is protected, and avoiding external control-rod from being set in when screwing outside bar will be with Fluorine-lined lantern ring phase
Collision causes the connection of Fluorine-lined lantern ring and transmission rod unstable.
Preferably, the end face outside for abutting disk is concordant with Fluorine-lined lantern ring.
By using above-mentioned technical proposal, pass through the end face outside and the flush with outer surface of Fluorine-lined lantern ring for abut disk
Design, the assembling of valve rod when can be convenient for assembly.
Preferably, the upper surface for abutting disk and being located at the upper surface and gland that inside gland and abut disk
There are difference in level.
By using above-mentioned technical proposal, by making abutting disk be located at the inside of gland, and to abut disk
There are difference in level for upper surface and the upper surface of gland, in use, can protect, avoid to abutting disk
Abut the damage of disk.
In conclusion the utility model has the advantages that：
1. by the way that filler made of polytetrafluoroethylene material to be packed into packing groove, filler made of the material has preferable
Antiacid alkali resistant, resist various organic solvents the characteristics of, filler is pressed in packing groove by the pressure ring of gland, can be preferably
The fluid in pipeline is avoided to leak and go out from the gap location of ball valve body and valve rod；
2. by spaced baffle ring, the contact surface for having bigger on the outside of filler and valve rod in packing groove is enabled to
Product forms the seal groove being embedded in for sealing ring between adjacent two baffle ring, can further avoid fluid in pipeline from ball valve master
Gap location outflow between body and valve rod；
3. screw bar and transmission rod by the way that valve rod to be divided into, be coated with Fluorine-lined lantern ring on the outside of transmission rod, transmission rod with screw
The abutting disk that setting is abutted against with Fluorine-lined lantern ring between bar, while abutting the upper surface that disk is located inside gland and abuts disk
There are differences in height with the upper surface of gland, can be while conveniently controlling sphere, to abutting disk, Fluorine-lined lantern ring
It is protected.
Description of the drawings
Fig. 1 is the structural schematic diagram of Fluorine-lined ball valve；
Fig. 2 is the enlarged drawing at A in Fig. 1.
In figure, 1, ball valve body；2, sphere；3, valve rod；31, transmission rod；311, baffle ring；312, seal groove；313, it seals
Circle；32, bar is screwed；33, disk is abutted；4, upper cover；41, packing groove；42, filler；5, gland；51, pressure ring；6, Fluorine-lined set
Ring.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Fig.1, the utility model proposes a kind of Fluorine-lined ball valves, including ball valve body 1, valve rod 3 and sphere 2, wherein
Sphere 2 is arranged in ball valve body 1, and valve rod 3 includes the transmission rod for being threaded onto 1 inside of ball valve body and being wholely set with sphere 2
31 and extend to the outside of ball valve body 1 screw bar 32, the cross section for screwing bar 32 be can be regular polygon, track type etc.
Arbitrary non-circular shape.
Referring to Figures 1 and 2,1 top of ball valve body is additionally provided with the upper cover 4 for being sleeved on 31 outside of transmission rod, upper cover 4 and ball
Valve be connected and fixed by bolt thread it is connected, upper cover 4 be located at transmission rod 31 side offer annular packing groove 41, packing groove
Filler 42 made of polytetrafluoroethylene material are provided in 41, the filler 42 made of the material has preferable antiacid anti-
Alkali resists the characteristics of various organic solvents, filler 42 that can fill up the gap between valve rod 3 and ball valve body 1, is promoted between the two
Leakproofness.Transmission rod 31 is located at the side evagination in packing groove 41 and is formed with baffle ring 311, and baffle ring 311 is between the axial direction of valve rod 3
Every setting, and seal groove 312 is formed between adjacent two baffle ring 311, and in being embedded with sealing ring 313 in seal groove 312.Upper cover 4
On be additionally provided with gland 5, gland 5, which is connected and fixed with upper cover 4 by bolt thread, to be connected, and gland 5 is towards upper
The pressure ring in embedded packing groove 41 abutted against with the top baffle ring 311 and compress filler 42 is additionally provided on the end face of lid 4
51。
The madial wall of ball valve body 1, upper cover 4, transmission rod 31 and sphere 2 peripheral side be coated with Fluorine-lined lantern ring 6, Fluorine-lined
Lantern ring 6 is made of polyfluorinated ethylene material, and the Fluorine-lined lantern ring 6 made of the material has preferable Corrosion Protection and insoluble
In various organic solvents, ball valve body 1, sphere 2, transmission rod 31, upper cover 4 can be protected, transmission rod 31 and screw bar
It is additionally provided with and is abutted against with Fluorine-lined lantern ring 6 and the abutting disk 33 of the flush with outer surface of outer perimeter wall and Fluorine-lined lantern ring 6 between 32, supported
Disk 33 is connect to be located at the inside of gland 5 and abut the upper surface of the upper surface of disk 33 and gland 5 there are difference in level.
Application method：
Be sleeved on by external control-rod compatible with bar 32 is screwed screw 32 outside of bar can drive screw bar 32 into
Row rotation screws bar 32 and drives the rotation that sphere 2 synchronizes by transmission rod 31, to realize the unlatching of Fluorine-lined ball valve or close
It closes.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (8)
1. a kind of Fluorine-lined ball valve, including ball valve body（1）, valve rod（3）And sphere（2）, the sphere（2）It is arranged in ball valve body
（1）It is interior, the valve rod（3）It is threaded onto ball valve body（1）Internal and one end is fixedly connected on sphere（2）The upper other end extends to ball
Valve body（1）Outside, which is characterized in that the ball valve body（1）Top, which is additionally provided with, is sleeved on valve rod（3）The upper cover in outside（4）,
The upper cover（4）Positioned at valve rod（3）Side offer for filler（42）It is packed into packing groove（41）, the upper cover（4）On also set
It is equipped with filler（42）The gland of compression（5）, the valve rod（3）Positioned at packing groove（41）Interior side evagination is formed with gear
Ring（311）.
2. a kind of Fluorine-lined ball valve according to claim 1, which is characterized in that the baffle ring（311）Along valve rod（3）Between axial direction
Every setting, and adjacent two baffle ring（311）Between be formed with seal groove（312）, the seal groove（312）Inside it is embedded with sealing ring
（313）.
3. a kind of Fluorine-lined ball valve according to claim 2, which is characterized in that the gland（5）Insertion is provided with to fill out
Hopper（41）Internal and the top baffle ring（311）The pressure ring abutted against（51）.
4. a kind of Fluorine-lined ball valve according to claim 3, which is characterized in that the upper cover（4）Positioned at packing groove（41）It opens
Week edge at mouthful is provided with protection ring.
5. a kind of Fluorine-lined ball valve according to claim 4, which is characterized in that the valve rod（3）Including with sphere（2）One
The transmission rod of setting（31）And it is set as non-circular and screws bar（32）.
6. a kind of Fluorine-lined ball valve according to claim 5, which is characterized in that the sphere（2）And transmission rod（31）It is outer
Side is coated with Fluorine-lined lantern ring（6）, described to screw bar（32）With transmission rod（31）Between be provided with and Fluorine-lined lantern ring（6）It offsets
The abutting disk connect（33）.
7. a kind of Fluorine-lined ball valve according to claim 6, which is characterized in that the abutting disk（33）End face outside and lining
Fluorine lantern ring（6）Flush with outer surface.
8. a kind of Fluorine-lined ball valve according to claim 7, which is characterized in that the abutting disk（33）Positioned at gland
（5）Internal and abutting disk（33）Upper surface and gland（5）There are difference in level for upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820199174.9U CN208024873U (en) | 2018-02-05 | 2018-02-05 | A kind of Fluorine-lined ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820199174.9U CN208024873U (en) | 2018-02-05 | 2018-02-05 | A kind of Fluorine-lined ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208024873U true CN208024873U (en) | 2018-10-30 |
Family
ID=63903850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820199174.9U Active CN208024873U (en) | 2018-02-05 | 2018-02-05 | A kind of Fluorine-lined ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208024873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020143150A1 (en) * | 2019-01-11 | 2020-07-16 | 江苏金晟元特种阀门股份有限公司 | Strong corrosion-resistant antistatic fluoroplastic fully lined ball valve |
-
2018
- 2018-02-05 CN CN201820199174.9U patent/CN208024873U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020143150A1 (en) * | 2019-01-11 | 2020-07-16 | 江苏金晟元特种阀门股份有限公司 | Strong corrosion-resistant antistatic fluoroplastic fully lined ball valve |
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| GR01 | Patent grant |