CN207093827U - A kind of antistatic soft sealing ball valve - Google Patents
A kind of antistatic soft sealing ball valve Download PDFInfo
- Publication number
- CN207093827U CN207093827U CN201720718284.7U CN201720718284U CN207093827U CN 207093827 U CN207093827 U CN 207093827U CN 201720718284 U CN201720718284 U CN 201720718284U CN 207093827 U CN207093827 U CN 207093827U
- Authority
- CN
- China
- Prior art keywords
- valve rod
- valve
- cylinder
- spheroid
- rubber
- 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
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 24
- 229920001971 elastomer Polymers 0.000 claims abstract description 18
- 239000005060 rubber Substances 0.000 claims abstract description 18
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 24
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 24
- -1 polytetrafluoroethylene Polymers 0.000 claims description 12
- 229920000459 Nitrile rubber Polymers 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- 210000003660 Reticulum Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 1
- 150000008363 butyronitriles Chemical class 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000000977 initiatory Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000002035 prolonged Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a kind of antistatic soft sealing ball valve, belong to ball-valve structure technical field, including valve body, valve seat, spheroid, valve rod, spanner, the side wall of valve rod is provided with threaded pressure ring, the bottom of valve rod is provided with cylinder-shaped valve rod base, packing ring is provided with the edge supports of cylinder-shaped valve rod base, the top center of cylinder-shaped valve rod base is provided with bottom valve rod, the bottom of bottom valve rod is provided with cubic type moving block, cubic type moving block is limited in the groove at the top of spheroid, the bottom of spheroid is provided with rubber valve seat, rubber valve seat is cylinder, rubber valve seat is arranged on the centre of spheroid bottom, the centre of rubber valve seat is provided with oil-way, the bottom of oil-way is provided with oil inlet pipe, oil inlet pipe passes through the body base, the mouth of pipe of oil inlet pipe is provided with closure, the bottom of valve body is additionally provided with four threaded bases.Ball valve of the present utility model is provided with insulating barrier in each connecting portion, is designed using antistatic, simple in construction, has a wide range of application.
Description
Technical field
The utility model belongs to ball-valve structure technical field, and in particular to a kind of antistatic soft sealing ball valve.
Background technology
Ball valve, stop valve is should be in extra large work and ship domain, refer to making opening and closing element, ball with the spheroid with manhole
Body rotates with valve rod, to realize the valve of switching motion.Standard GB/T21465-2008《Valve term》Defined in be：Opening and closing element
（Spheroid）Driven by valve rod, and the valve to be rotated around ball valve axis.Using also can be used for fluid regulation and control, its
In there is very strong shearing force between hard sealing its V-type core of V-type ball valve and the metal seat valve of pile-up welding hard alloy, it is particularly suitable
In media such as fibre-bearing, small solid pellets.And multi-pass ball valve not only can flexibly be controlled on pipeline the interflow of medium, shunting,
And the switching of flow direction, while also can close any passage and two other passage is connected, valve in the duct typically should water
Safety is filled, and ball valve is functionally typically classified：Pneumatic ball valve, electrical ball valve, manual ball valve.
Such as Chinese patent application（Publication number：CN202327178U）Disclose " a kind of ball valve ", it is characterized in that including valve body,
Bonnet, spherical valve core, the valve rod being fixedly connected with spherical valve core, correspond on valve rod and the spherical of an evagination is provided with below bonnet
Body, the sealing shroud in spherical being provided around in the valve body, sealing shroud is provided with the concave ball surfaces made sealing with spherical and coordinated,
Valve body is additionally provided with a circle ledge structure of corresponding support sealing shroud, and the ball valve of the utility model is small with valve rod rotation friction,
Good airproof performance, the advantages that slight inclination of valve rod is without revealing is adapted to, but lacks soft support base in bottom.
The content of the invention
（1）Technical scheme
In order to overcome prior art insufficient, the utility model provides a kind of antistatic soft sealing ball valve, including valve body, valve
Seat, spheroid, valve rod, spanner, the top of the spheroid connect the valve rod, and the valve rod is bolted the spanner, institute
The cavity inside that spheroid is limited to the valve body is stated, the bottom supporting part of the spheroid is provided with the valve seat, the side of the valve rod
Wall is provided with threaded pressure ring, and the bottom of the valve rod is provided with cylinder-shaped valve rod base, the edge branch of the cylinder-shaped valve rod base
Packing ring is provided with support, the top center of the cylinder-shaped valve rod base is provided with bottom valve rod, and the bottom of the bottom valve rod is provided with
Cubic type moving block, the cubic type moving block are limited in the groove at the top of the spheroid, and the bottom of the spheroid is set
There is rubber valve seat, the rubber valve seat is cylinder, and the rubber valve seat is arranged on the centre of the spheroid bottom, the rubber
The centre of valve seat is provided with oil-way, and the bottom of the oil-way is provided with oil inlet pipe, and the oil inlet pipe passes through the valve body bottom
Portion, the mouth of pipe of the oil inlet pipe are provided with closure, and the bottom of the valve body is additionally provided with four threaded bases.
Preferably, the outer wall of the bottom valve rod is provided with the polytetrafluoroethylene (PTFE) collar, the polytetrafluoroethylene (PTFE) collar collar
Bottom surface is cambered surface, and the radius of curvature of the cambered surface is equal with the radius of the spheroid.
Preferably, the bottom of the polytetrafluoroethylene (PTFE) collar is provided with hydrogenated nitrile-butadiene rubber sealing ring, the hydrogenated butyronitrile rubber
The left and right ends in glue sealing ring vertical section are triangle, or the bottom of the polytetrafluoroethylene (PTFE) collar seals provided with butadiene rubber
Circle, the left and right ends in the butadiene rubber sealing ring vertical section are trapezoidal shape.
The upper surface of the cylinder-shaped valve rod base is less than the cylinder-shaped valve rod base lower surface, the cylinder-shaped valve rod
The radius of the upper surface of base is 2 ~ 3cm, and the radius of the cylinder-shaped valve rod base lower surface is 2.5 ~ 4cm.Preferably, it is described
The radius of the upper surface of cylinder-shaped valve rod base is 2cm, and the radius of the cylinder-shaped valve rod base lower surface is 2.5cm.
（2）Beneficial effect
The beneficial effects of the utility model：
1st, packing ring is provided with the edge supports of cylinder-shaped valve rod base, and the outer wall of bottom valve rod is provided with polytetrafluoroethylene (PTFE)
The collar, the bottom of the polytetrafluoroethylene (PTFE) collar are additionally provided with hydrogenated nitrile-butadiene rubber sealing ring, can export electrostatic caused by switching process,
Avoid initiation accident；
2nd, the centre of rubber valve seat is provided with oil-way, antifriction antiwear, reduces frictional resistance to save the energy, reduces abrasion
With the prolonged mechanical life-span, increase economic efficiency；
3rd, ball valve of the present utility model is provided with insulating barrier in each connecting portion, is designed using antistatic, simple in construction, using model
Enclose wide.
Brief description of the drawings
Fig. 1 is a kind of antistatic soft sealing ball valve vertical section structure schematic diagram.
Embodiment
The utility model is further described with reference to embodiment.
Embodiment one
As shown in figure 1, the implementation case provides a kind of antistatic soft sealing ball valve, including valve body 1, valve seat 2, spheroid 3, valve
Bar 4, spanner 5, the top of the spheroid 3 connect the valve rod 4, and the valve rod 4 is bolted the spanner 5, the ball
Body 3 is limited to the cavity inside of the valve body 1, and the bottom supporting part of the spheroid 3 is provided with the valve seat 2, the side of the valve rod 4
Wall is provided with threaded pressure ring 16, and the bottom of the valve rod 4 is provided with cylinder-shaped valve rod base 6, the side of the cylinder-shaped valve rod base 6
Packing ring 7 is provided with edge support, the top center of the cylinder-shaped valve rod base 6 is provided with bottom valve rod 8, the bottom valve rod 8
Bottom is provided with cubic type moving block 9, and the cubic type moving block 9 is limited in the groove at the top of spheroid 3, the ball
The bottom of body 3 is provided with rubber valve seat 12, and the rubber valve seat 12 is cylinder, and the rubber valve seat 12 is arranged on the spheroid 3
Bottom centre, the centre of the rubber valve seat 12 is provided with oil-way, and the bottom of the oil-way is provided with oil inlet pipe 13,
The oil inlet pipe 13 passes through the bottom of valve body 1, and the mouth of pipe of the oil inlet pipe 13 is provided with closure 14, the bottom of the valve body 1
It is additionally provided with four threaded bases 15.
The outer wall of the bottom valve rod 8 is provided with the polytetrafluoroethylene (PTFE) collar 10, the bottom of the collar of the polytetrafluoroethylene (PTFE) collar 10
Face is cambered surface, and the radius of curvature of the cambered surface is equal with the radius of the spheroid 3.
The bottom of the polytetrafluoroethylene (PTFE) collar 10 is provided with hydrogenated nitrile-butadiene rubber sealing ring, the hydrogenated nitrile-butadiene rubber sealing
The left and right ends for enclosing vertical section are triangle.
The upper surface of the cylinder-shaped valve rod base 6 is less than the lower surface of cylinder-shaped valve rod base 6, the cylinder valve
The radius of the upper surface of bar base 6 is 2cm, and the radius of the lower surface of cylinder-shaped valve rod base 6 is 2.5cm.
Embodiment described above only expresses preferred embodiment of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, some deformations can also be made, improves and substitutes, this
Belong to the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should using appended claims as
It is accurate.
Claims (4)
1. a kind of antistatic soft sealing ball valve, including valve body（1）, valve seat（2）, spheroid（3）, valve rod（4）, spanner（5）, the ball
Body（3）Top connect the valve rod（4）, the valve rod（4）It is bolted the spanner（5）, the spheroid（3）Limit
In the valve body（1）Cavity inside, the spheroid（3）Bottom supporting part be provided with the valve seat（2）, it is characterised in that：Institute
State valve rod（4）Side wall be provided with threaded pressure ring（16）, the valve rod（4）Bottom be provided with cylinder-shaped valve rod base（6）, it is described
Cylinder-shaped valve rod base（6）Edge supports at be provided with packing ring（7）, the cylinder-shaped valve rod base（6）Top center be provided with
Bottom valve rod（8）, the bottom valve rod（8）Bottom be provided with cubic type moving block（9）, the cubic type moving block（9）
It is limited to the spheroid（3）In the groove at top, the spheroid（3）Bottom be provided with rubber valve seat（12）, the rubber valve seat
（12）For cylinder, the rubber valve seat（12）It is arranged on the spheroid（3）The centre of bottom, the rubber valve seat（12）In
Between be provided with oil-way, the bottom of the oil-way is provided with oil inlet pipe（13）, the oil inlet pipe（13）Through the valve body（1）
Bottom, the oil inlet pipe（13）The mouth of pipe be provided with closure（14）, the valve body（1）Bottom be additionally provided with four threaded bases
（15）.
A kind of 2. antistatic soft sealing ball valve according to claim 1, it is characterised in that：The bottom valve rod（8）It is outer
Wall is provided with the polytetrafluoroethylene (PTFE) collar（10）, the polytetrafluoroethylene (PTFE) collar（10）The bottom surface of the collar is cambered surface, the song of the cambered surface
Rate radius and the spheroid（3）Radius it is equal.
A kind of 3. antistatic soft sealing ball valve according to claim 2, it is characterised in that：The polytetrafluoroethylene (PTFE) collar
（10）Bottom be provided with hydrogenated nitrile-butadiene rubber sealing ring, the left and right ends in the hydrogenated nitrile-butadiene rubber sealing ring vertical section are triangle
Shape.
A kind of 4. antistatic soft sealing ball valve according to claim 1, it is characterised in that：The cylinder-shaped valve rod base
（6）Upper surface be less than the cylinder-shaped valve rod base（6）Lower surface, the cylinder-shaped valve rod base（6）Upper surface half
Footpath is 2 ~ 3cm, the cylinder-shaped valve rod base（6）The radius of lower surface is 2.5 ~ 4cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720718284.7U CN207093827U (en) | 2017-06-20 | 2017-06-20 | A kind of antistatic soft sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720718284.7U CN207093827U (en) | 2017-06-20 | 2017-06-20 | A kind of antistatic soft sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207093827U true CN207093827U (en) | 2018-03-13 |
Family
ID=61553243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720718284.7U Expired - Fee Related CN207093827U (en) | 2017-06-20 | 2017-06-20 | A kind of antistatic soft sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207093827U (en) |
-
2017
- 2017-06-20 CN CN201720718284.7U patent/CN207093827U/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: 20180313 Termination date: 20210620 |