CN206001037U - self-cleaning ball valve - Google Patents
self-cleaning ball valve Download PDFInfo
- Publication number
- CN206001037U CN206001037U CN201620996283.4U CN201620996283U CN206001037U CN 206001037 U CN206001037 U CN 206001037U CN 201620996283 U CN201620996283 U CN 201620996283U CN 206001037 U CN206001037 U CN 206001037U
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- valve
- spheroid
- seat
- valve seat
- scraper
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Abstract
A kind of Self-cleaning ball valve, including valve body, spheroid, valve rod and two valve gaps, slidably valve seat is set between spheroid and valve gap, scraper is set in the adjacent surface with spheroid for the valve seat, and the external diameter of scraper is bigger than sealing surface of seat external diameter, and scraper is in the presence of preloading spring thrust, all the time it is close to spheroid, when spheroid rotates, the crystalline material of spherome surface wiped off by scraper, and sealing surface of seat is after scraper, you can to contact with clean spherome surface.Valve seat is under the pretightning force of spring acts on, reach sealing minimum ratio pressure, when medium is when pushing flexible spring seat, in the presence of valve seat insert, valve seat is promoted to be close to spheroid, there is certain difference in areas between valve base sealing external diameter and spheroid and sealing surface of seat, form piston effect, form reliable sealing under the active force of medium.After scraper or the prooving of valve seat, automatic compensation can be realized under spring thrust.After scraper, valve seat or spheroid abrasion exceed automatic compensation range, only need to change scraper, valve seat and spheroid.
Description
Technical field:
This utility model is related to mechanical field, more particularly, to valve, particularly in the tubing of easy crystal medium
90 degree rotation cutting ball valves, a kind of particularly Self-cleaning ball valve.
Background technology:
In prior art, widely used V-type ball valve in easy crystallization tubing, V-type ball valve adopts eccentric structure, utilizes
The postrotational eccentric force at ball centre and valve rod center makes sphere and valve seat laminating, reaches sealing effectiveness.As long as valve has out
Degree, just has gap between valve seat and sphere, and during valve closing, spheroid is fitted to valve seat in the presence of valve rod eccentric force,
There is medium to crystallize in spherome surface between valve seat and sphere, just cannot seal, and be susceptible to stuck or open and close moment
The phenomenon such as increase.
Content of the invention：
The purpose of this utility model is to provide a kind of Self-cleaning ball valve, and described this Self-cleaning ball valve will solve existing
In technology, the medium crystallization between valve seat and sphere leads to the technical problem that valve cannot seal.
This Self-cleaning ball valve of the present utility model, including valve body, spheroid, valve rod and two valve gaps, in described valve body
Include a medium channel, described medium channel is provided with gateway at the two ends of valve body, and described valve gap sets respectively
Put at the gateway at valve body two ends and be connected with valve body by securing member, described spheroid is arranged in the medium channel of valve body
And be located between the gateway at valve body two ends, the bottom of spheroid is provided with spheroid rotary shaft, and the bottom of body cavity is provided with one
Individual gripper shoe, the middle part of described gripper shoe is provided with an axis hole, and described spheroid rotary shaft extends downwardly into described axle
Kong Zhong, described valve rod is fixedly connected on the top of spheroid, the central axes of the central axis of valve rod and spheroid rotary shaft,
Described central axis upright is upward through the valve rod hole of body top and is arranged in the axial direction of medium channel, the upper end of valve rod
Upper shaft sleeve on the upside of valve body, the top of described Upper shaft sleeve is provided with gland, described gland and Upper shaft sleeve and valve
It is provided with airtight and watertight padding between bar, wherein, between any one of valve gap and spheroid, be all each provided with a valve seat, institute
It is arranged in parallel to the sliding pair of medium channel axial direction, the outer face of valve seat is between the valve seat stated and the circumference inward wall of valve gap
Circumferential step shape, is provided with a spring base between the outer face of valve seat and the end face of adjacent valve gap, described spring base
The inner is provided with the circumferential step with the cooperation of valve seat outer face, the inner adjacent step surface with valve seat outer face of spring base
Between be provided with sealing gasket, be circumferentially arranged at intervals with the bullet of more than three numbers between the outer end of spring base and valve gap end face
Spring, spring base, sealing gasket and valve seat are biased by described spring to spheroid direction, include a taper seat in valve seat, described
Taper seat in include a sealing surface of seat contacting with spheroid, embedded in the inner face of valve seat be provided with a ring and scrape
Knife, the blade of described ring scraper is protruded from the inner face of valve seat and is contacted with spheroid, and the area of the outer face of valve seat is more than
The area of described sealing surface of seat.
Further, radially it is provided with stop pin between ring scraper and valve seat.
Further, it is provided with preloading spring between ring scraper and valve seat.
Further, it is provided with gasket seal between valve gap and the end face of valve body.
Further, it is provided with oil-free lubrication axle sleeve between the axis hole of body cavity bottom support plate and spheroid rotary shaft.
Further, it is provided with dust guard between spring base and valve gap.
Operation principle of the present utility model is：Executor passes through flat key band ovable valve stem, drives spheroid to make 90 degree of rotations by valve rod
Transhipment is moved to realize valve opening and closing.When spheroid rotates, the external diameter of scraper is bigger than sealing surface of seat external diameter, and scraper is in preloading spring
In the presence of thrust, it is close to spheroid all the time.When spheroid rotates in the presence of scraper, automatically wipe the crystal of spherome surface off
Body, sealing surface of seat is after scraper, you can to contact with clean spherome surface.Valve seat spring pretightning force act under,
Reach sealing minimum ratio pressure, when medium is when pushing flexible spring seat, in the presence of valve seat insert, promote valve seat to be close to ball
Body, has certain difference in areas between valve base sealing external diameter and spheroid and sealing surface of seat, form piston effect, in the effect of medium
Form reliable sealing, when pressure medium is higher, sealing is more reliable under power.
Valve, after there is scraper or the prooving of valve seat using a period of time, can be realized in the presence of respective spring thrust
Automatically compensate.After scraper, valve seat or spheroid erosive wear weight or abrasion exceed automatic compensation range, only need to change scraper,
Valve seat and spheroid, thus easy to operate simple.Save material cost and maintenance time simultaneously.
This utility model compares with prior art, and its effect is positive and obvious.This utility model is in spheroid and valve
Slidably valve seat is set between lid, the adjacent surface with spheroid for the valve seat arranges scraper, the external diameter of scraper compares sealing surface of seat
External diameter is big, and scraper, in the presence of preloading spring thrust, is close to spheroid all the time, and when spheroid rotates, spherome surface wiped automatically off by scraper
Crystalline material, sealing surface of seat is after scraper, you can to contact with clean spherome surface.Valve seat is in the pretightning force of spring
Under effect, reach sealing minimum ratio pressure, when medium is when pushing flexible spring seat, in the presence of valve seat insert, promote valve seat
It is close to spheroid, between valve base sealing external diameter and spheroid and sealing surface of seat, has certain difference in areas, form piston effect, in medium
Active force under formed reliable seal, when pressure medium is higher, sealing is more reliable.There is scraper using a period of time in valve
Or after the prooving of valve seat, automatic compensation can be realized in the presence of respective spring thrust.Scraper, valve seat or spheroid erosive wear
After heavy or abrasion exceedes automatic compensation range, only need to change scraper, valve seat and spheroid, easy to operate simple, save material one-tenth
Basis and maintenance time.
Brief description：
Fig. 1 is the axial arrangement schematic diagram of Self-cleaning ball valve of the present utility model.
Fig. 2 is the radial structure schematic diagram of Self-cleaning ball valve of the present utility model.
Fig. 3 is the assembling schematic diagram of the scraper, valve seat and spheroid in Self-cleaning ball valve of the present utility model.
Fig. 4 is the enlarged drawing of I part in Fig. 1.
Fig. 5 is the schematic diagram of the scraper in Self-cleaning ball valve of the present utility model.
Specific embodiment：
Embodiment 1:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, Self-cleaning ball valve of the present utility model, including valve body 1, spheroid 2, valve
Bar 3 and two valve gaps 4, include a medium channel in described valve body 1, described medium channel is equal at the two ends of valve body 1
It is provided with gateway, described valve gap 4 is separately positioned at the gateway at valve body 1 two ends and is connected with valve body 1 by securing member 5
Connect, described spheroid 2 is arranged in the medium channel of valve body 1 and is located between the gateway at valve body 1 two ends, the bottom of spheroid 2
It is provided with spheroid rotary shaft, the bottom of valve body 1 inner chamber is provided with a gripper shoe 6, and the middle part of described gripper shoe 6 is provided with one
Individual axis hole, described spheroid rotary shaft extends downwardly in described axis hole, and described valve rod 3 is fixedly connected on the top of spheroid 2
The central axes of portion, the central axis of valve rod 3 and spheroid rotary shaft, described central axis upright is in the axle of medium channel
It is upward through the valve rod hole at valve body 1 top and the Upper shaft sleeve 7 being arranged on valve body 1 upside to the upper end of, valve rod 3, described upper shaft
The top of set 7 is provided with gland 8, is provided with airtight and watertight padding 9 between described gland 8 and Upper shaft sleeve 7 and valve rod 3,
Wherein, all it is each provided with a valve seat 10, described valve seat 10 and valve gap 4 between any one of valve gap 4 and spheroid 2
Circumference inward wall between be arranged in parallel to the sliding pair of medium channel axial direction, the outer face of valve seat 10 is in circumferential step shape,
It is provided with a spring base 11, the inner of described spring base 11 between the outer face of valve seat 10 and the end face of adjacent valve gap 4
It is provided with the circumferential step with the cooperation of valve seat 10 outer face, the inner adjacent step with valve seat 10 outer face of spring base 11
It is provided with sealing gasket 12 between face, between the outer end of spring base 11 and valve gap 4 end face, be circumferentially arranged at intervals with more than three
The spring 13 of number, spring base 11, sealing gasket 12 and valve seat 10 are biased, in valve seat 10 by described spring 13 to spheroid 2 direction
Include a taper seat, in described taper seat, include a sealing surface of seat contacting with spheroid 2 14, valve seat 10 interior
Embedded in end face be provided with a ring scraper 15, the blade of described ring scraper 15 protrude from valve seat 10 inner face and with
Spheroid 2 contacts, and the area of the outer face of valve seat 10 is more than the area of described sealing surface of seat 14.
Further, radially it is provided with stop pin 16 between ring scraper 15 and valve seat 10.
Further, it is provided with preloading spring 17 between ring scraper 15 and valve seat 10.
Further, it is provided with gasket seal 18 between the end face of valve gap 4 and valve body 1.
Further, it is provided with oil-free lubrication axle sleeve between the axis hole of valve body 1 intracavity bottom gripper shoe 6 and spheroid rotary shaft
19.
Further, it is provided with dust guard 20 between spring base 11 and valve gap 4.
The operation principle of the present embodiment is：Executor 21 carries ovable valve stem 3 by flat key 22, drives spheroid 2 to make 90 by valve rod 3
Spend rotary motion to realize valve opening and closing.When spheroid 2 rotates, the external diameter of scraper is bigger than sealing surface of seat 14 external diameter, and scraper exists
In the presence of preloading spring 13 thrust, it is close to spheroid 2 all the time.When spheroid 2 rotates in the presence of scraper, automatically wipe spheroid 2 off
The crystalline material on surface, sealing surface of seat 14 is after scraper, you can to contact with clean spheroid 2 surface.Valve seat 10 is in bullet
Under the pretightning force effect of spring 13, reach sealing minimum ratio pressure, when medium is when pushing flexible spring seat 11, in valve seat 10 sealing ring
Under effect, promote valve seat 10 to be close to spheroid 2, between valve seat 10 seal outer diameter and spheroid 2 and sealing surface of seat 14, have certain face
Product moment, forms piston effect, forms reliable sealing under the active force of medium, and when pressure medium is higher, sealing is more reliable.
Valve, can be in the presence of respective spring 13 thrust after there is scraper or valve seat 10 abrasion using a period of time
Realize automatically compensating.After scraper, valve seat 10 or spheroid 2 erosive wear weight or abrasion exceed automatic compensation range, only need more
Change scraper, valve seat 10 and spheroid 2, thus easy to operate simple.Save material cost and maintenance time simultaneously.
Claims (6)
1. a kind of Self-cleaning ball valve, including valve body, spheroid, valve rod and two valve gaps, includes a medium in described valve body
Passage, described medium channel is provided with gateway at the two ends of valve body, and described valve gap is separately positioned on valve body two ends
It is connected with valve body at gateway and by securing member, described spheroid is arranged in the medium channel of valve body and is located at valve body two ends
Gateway between, the bottom of spheroid is provided with spheroid rotary shaft, and the bottom of body cavity is provided with a gripper shoe, described
The middle part of gripper shoe is provided with an axis hole, and described spheroid rotary shaft extends downwardly in described axis hole, described valve rod
It is fixedly connected on the top of spheroid, the central axes of the central axis of valve rod and spheroid rotary shaft, described central axis
Perpendicular to the axial direction of medium channel, the upper end of valve rod is upward through the valve rod hole of body top and is arranged on the upper shaft on the upside of valve body
Set, the top of described Upper shaft sleeve is provided with gland, is provided with close between described gland and Upper shaft sleeve and valve rod
Packing material it is characterised in that：All it is each provided with a valve seat, described valve seat between any one of valve gap and spheroid
It is arranged in parallel to the sliding pair of medium channel axial direction and the circumference inward wall of valve gap between, the outer face of valve seat is in circumferential step
Shape, is provided with a spring base between the outer face of valve seat and the end face of adjacent valve gap, described the inner of spring base is arranged
There is the circumferential step with the cooperation of valve seat outer face, spring base is inner to be arranged and an adjacent step surface of valve seat outer face between
There is sealing gasket, between the outer end of spring base and valve gap end face, be circumferentially arranged at intervals with the spring of more than three numbers, described
Spring spring base, sealing gasket and valve seat are biased to spheroid direction, include a taper seat in valve seat, described taper seat
In include a sealing surface of seat contacting with spheroid, embedded in the inner face of valve seat be provided with a ring scraper, described
The blade of ring scraper protrude from the inner face of valve seat and contact with spheroid, the area of the outer face of valve seat is more than described valve
The area of seat sealing surface.
2. Self-cleaning ball valve as claimed in claim 1 it is characterised in that：Radially it is provided between ring scraper and valve seat
Stop pin.
3. Self-cleaning ball valve as claimed in claim 1 it is characterised in that：It is provided with pretension bullet between ring scraper and valve seat
Spring.
4. Self-cleaning ball valve as claimed in claim 1 it is characterised in that：It is provided with sealing gasket between valve gap and the end face of valve body
Piece.
5. Self-cleaning ball valve as claimed in claim 1 it is characterised in that：The axis hole of body cavity bottom support plate and spheroid turn
It is provided with oil-free lubrication axle sleeve between moving axis.
6. Self-cleaning ball valve as claimed in claim 1 it is characterised in that：It is provided with dust guard between spring base and valve gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620996283.4U CN206001037U (en) | 2016-08-30 | 2016-08-30 | self-cleaning ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620996283.4U CN206001037U (en) | 2016-08-30 | 2016-08-30 | self-cleaning ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206001037U true CN206001037U (en) | 2017-03-08 |
Family
ID=58195972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620996283.4U Active CN206001037U (en) | 2016-08-30 | 2016-08-30 | self-cleaning ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206001037U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559448A (en) * | 2017-10-18 | 2018-01-09 | 兰州高压阀门有限公司 | A kind of high-temperature wearable hard seal ball valve seat with dustproof construction |
| CN108253149A (en) * | 2016-12-29 | 2018-07-06 | 上海纽京工业设备有限公司 | The program-controlled ball valve of polyolefin |
| CN110513502A (en) * | 2019-08-27 | 2019-11-29 | 志泰阀门有限公司 | Crystallize dedicated regulation valve |
| CN110529621A (en) * | 2019-08-27 | 2019-12-03 | 志泰阀门有限公司 | Crystallize Special cut-off valve |
| CN117722510A (en) * | 2024-02-06 | 2024-03-19 | 成都成高阀门股份有限公司 | Ball valve with sphere self-cleaning mechanism |
-
2016
- 2016-08-30 CN CN201620996283.4U patent/CN206001037U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253149A (en) * | 2016-12-29 | 2018-07-06 | 上海纽京工业设备有限公司 | The program-controlled ball valve of polyolefin |
| CN107559448A (en) * | 2017-10-18 | 2018-01-09 | 兰州高压阀门有限公司 | A kind of high-temperature wearable hard seal ball valve seat with dustproof construction |
| CN110513502A (en) * | 2019-08-27 | 2019-11-29 | 志泰阀门有限公司 | Crystallize dedicated regulation valve |
| CN110529621A (en) * | 2019-08-27 | 2019-12-03 | 志泰阀门有限公司 | Crystallize Special cut-off valve |
| CN117722510A (en) * | 2024-02-06 | 2024-03-19 | 成都成高阀门股份有限公司 | Ball valve with sphere self-cleaning mechanism |
| CN117722510B (en) * | 2024-02-06 | 2024-04-09 | 成都成高阀门股份有限公司 | Ball valve with sphere self-cleaning mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |