CN205689792U - A kind of anti-blocking resistance to erosion stop valve - Google Patents
A kind of anti-blocking resistance to erosion stop valve Download PDFInfo
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- CN205689792U CN205689792U CN201620370022.1U CN201620370022U CN205689792U CN 205689792 U CN205689792 U CN 205689792U CN 201620370022 U CN201620370022 U CN 201620370022U CN 205689792 U CN205689792 U CN 205689792U
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Abstract
This utility model relates to a kind of anti-blocking resistance to erosion stop valve, including valve body and valve gap, valve body is provided with valve component, valve component is provided with valve ball, valve rod and lower axle it is respectively equipped with above and below valve ball, valve ball is retrained by lower axle and valve rod coaxial center, valve ball carries out spinning movement along the coaxial centerlines of lower axle and valve rod, valve component coincide with valve ball and is close to, valve body, valve gap, valve ball and valve component are respectively provided with the straight-through circular flow channel of concentric, valve gap is provided with medium entrance end, valve body is provided with runner exit end, valve gap entrance point size is consistent with connecting internal diameter of the pipeline, and valve gap entrance point size to contract until size and valve component, valve ball internal diameter size is identical, form the tapered inlet runner of valve gap entrance point.This utility model can thoroughly solve material deposition, the practical problem of resistance to erosion, it is ensured that production run and the safety of operation.
Description
Technical field
This utility model relates to the technical field of valve, especially relates to a kind of anti-blocking resistance to erosion stop valve.
Background technology
In powder medium conveying or solid particle transmission, especially such as silica flour conveying, the coal chemical industry of polysilicon industry
Coal dust conveying etc., usually use moushroom valve carry out cutting off and turning on use, the operation principle of moushroom valve is: this valve have one or
Pair of valve plate, during work, driving means makes valve disc rotate certain angle or linear slide one by the effect of valve rod Yu rocking arm
Fixed stroke realizes the switch of valve, and coordinate with valve disc is fixing valve seat, and valve disc fits tightly by spring and valve seat,
Valve disc and valve seat are mounted on inside valve pocket, and have bigger cavity, to meet the stroke rotation of valve disc angle or Direct Travel motion
Space requirement, although cavity can meet the space requirement of solid accumulation and stagnation within a certain period of time, but over time
Increase, material due to cannot discharge chamber and by cumulative, it is not necessary to the long period, valve disc just cannot free-running operation completely,
And cause pass incessantly or can not full opening of fault, valve thoroughly lost efficacy.
Some unit the most once designed blow device and attempts powder or the granular solids medium of deposition are blown out chamber, but
Owing to valve disc is shaped as tabular, when valve is opened, deposition material can be pushed down " protection " by valve disc, and material during valve closing
Reality not only fills up chamber, and can be covered by whole valve disc, cannot be carried out purging work at all.Therefore, reality cannot still be solved
The deposition of border property and valve invalidation problem.
Along with user uses the quantity of moushroom valve to get more and more in same device, institute's produced problem is also more and more, more
Coming the biggest, even often resulting in whole device cannot be properly functioning and be badly in need of stopping the consequence repaiied, this to the safe operation of device and
Operation is respectively provided with great hidden danger, is badly in need of solving.This utility model thus produces.
Utility model content
For the above-mentioned technical problem of prior art, the purpose of this utility model is to provide a kind of anti-blocking resistance to erosion and cuts off
Valve, it can solve material deposition, blocking or the problem such as switch failure in powder medium or solid particle medium etc. are applied,
And need not arrange blow device, it becomes possible to realize getting rid of the function such as dielectric deposition, automated cleaning valve pocket.
For reaching above-mentioned purpose, this utility model is achieved through the following technical solutions:
A kind of anti-blocking resistance to erosion stop valve, including valve body and valve gap, described valve body is provided with valve component, described valve seat group
Part is provided with valve ball, is respectively equipped with valve rod and lower axle above and below described valve ball, and described valve ball is coaxial by lower axle and valve rod
Center retrains, and valve ball carries out spinning movement along the coaxial centerlines of lower axle and valve rod, and described valve component coincide with valve ball
Being close to, described valve body, valve gap, valve ball and valve component are respectively provided with the straight-through circular flow channel of concentric, and described valve gap is provided with medium
Entrance point, valve body is provided with runner exit end, and described valve gap entrance point size is consistent with connecting internal diameter of the pipeline, and valve gap entrance point chi
Very little to contract until size and valve component, valve ball internal diameter size are identical, form the tapered inlet runner of valve gap entrance point.
It is provided with sealing ring between described valve rod and valve ball, is provided with lower seal between described lower axle and valve component, institute
The lower seal stated forms the primary seal of valve component.
Described valve component comprises valve seat, and described valve seat is provided with spring, and the front-end and back-end of described spring are respectively
Being provided with inverted trapezoidal sealing ring and rectangular seal, described inverted trapezoidal sealing ring and rectangular seal are airtight by spring.
The sealing surface both sides of described valve seat are provided with sharp edge edge.
Being provided with spring base on described valve seat, described spring is arranged in spring base, and described spring is close with rectangle
Trim ring it is provided with between seal.
Described valve seat is single without intrusive mood, Bidirectional seal structure, and the primary seal direction of valve seat is that valve seat end flows to valve ball
End.
Described valve ball is fixed whole spherical structure.
Described rectangular seal is positioned at the import front end, primary seal direction of valve seat, and described inverted trapezoidal sealing ring is positioned at valve
The import rear end, primary seal direction of seat, described valve seat is provided with the valve seat tail end with valve gap internal diameter, and square in rectangular seal front end
The internal diameter size of shape sealing ring seals the size of center line more than valve seat and valve ball.
The surface of described valve ball, the main sealing surfaces of valve seat, the tapered inlet runner of valve gap entrance point, straight-through circle stream
Road and port of export valve flowing channel all carry out cure process.
The outside of described valve rod is provided with gland, and the outside of described gland is provided with support, is provided with between described gland and valve rod
Filler.
The beneficial effects of the utility model are as follows:
Anti-blocking resistance to erosion stop valve of the present utility model, its valve component is arranged on valve ball import front end, and valve ball rear end does not has
Having valve seat and any other similar setting, and valve ball is direct and pipeline communication, valve component designs for Bidirectional seal structure, spring
Room is without intrusive mood, fully seals structure design, and when medium flows according to primary seal direction, valve seat is at spring effect and medium
It is close to valve ball under power effect realize sealing, and when buffer brake is bigger, valve seat pushes away counter under the effect of reverse media power
Valve seat is close to valve ball and is realized reversely sealing, and when the valve is open, powder or other any solid particle mediums all will be at pipes
Under road pressure effect, quick exits valve body flows to pipeline, it is impossible to deposit at valve internal, and valve ball, valve seat and runner are all carried out
Cure process.This utility model can thoroughly solve material deposition, the practical problem of resistance to erosion, it is ensured that production run and the peace of operation
Entirely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the valve component at " I " place in Fig. 1；
Wherein, 1 be lower axle, 2 for lower seal, 3 for valve body, 4 for valve gap, 5 for valve component, 51 for valve seat, 511 for point
Sharp edge along, 512 be valve seat tail end, 52 for inverted trapezoidal sealing ring, 53 for spring base, 54 for spring, 55 for trim ring, 56 be rectangle close
Seal, 6 be valve ball, 7 be upper sealing ring, 8 be valve rod, 9 be gland, 10 be filler, 11 be support, 12 for tapered inlet stream
Road, 13 it is sprue.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is further described, but protection domain of the present utility model is also
It is not limited to this.
Anti-blocking resistance to erosion stop valve of the present utility model, including valve body 3 and valve gap 4, valve body 3 is provided with valve component 5, valve
Holder assembly 5 is provided with valve ball 6, and valve ball 6 is fixed whole spherical structure, is respectively equipped with valve rod 8 and lower axle above and below valve ball 6
1, valve ball 6 is retrained by lower axle 1 and valve rod 8 coaxial center, and valve ball 6 revolves only along the coaxial centerlines of lower axle 1 and valve rod 8
Rotating and make, the outside of valve rod 8 is provided with gland 4, and the outside of gland 4 is provided with support 11, is provided with filler 10 between gland 4 and valve rod 8.
Valve seat 51 in this utility model is single without intrusive mood, Bidirectional seal structure, and the primary seal direction of valve seat 51 is
Valve seat 51 end flows to valve ball 6 end, and valve ball 6 port of export is without valve seat and other any likes.Valve seat 51 is all the time with valve ball 6 tightly
Coincideing and be close to, valve body 3, valve gap 4, valve ball 6 and valve seat 51 are respectively provided with the straight-through circular flow channel of concentric, and valve gap 4 is provided with medium
Entrance point, valve body 3 is provided with runner exit end, and valve gap 4 entrance point size is consistent with connecting the complete internal diameter of pipeline, and valve gap 4 import
End size to contract until size and valve component 5, valve ball 6 internal diameter size are identical, formation valve gap 4 entrance point tubaeform enter
Mouth runner 12.
For lift-off seal effect, between valve rod 8 and the valve ball 6 in this utility model, it is provided with sealing ring 7, lower axle 1 and valve
Being provided with lower seal 2 between holder assembly 5, lower seal 2 forms the primary seal of valve component.
As preferably, the valve component 5 in this utility model comprises valve seat 51, and valve seat 51 is provided with spring base 53,
Spring 54 is arranged in spring base 53, and the front-end and back-end of spring 54 are separately installed with inverted trapezoidal sealing ring 52 and rectangular seal
Trim ring 55, inverted trapezoidal sealing ring 52 and rectangular seal 56 it is provided with by spring 54 between 56, and spring 54 and rectangular seal 56
The most airtight, isolate the intrusion of any material and medium.
The sealing surface both sides of the valve seat 51 in this utility model are provided with sharp edge along 511, in valve ball 6 rotary movement
Its surface material can be struck off and clean.
Arranging further, the rectangular seal 56 in this utility model is positioned at valve seat 51 import front end, primary seal direction, falls
The valve seat tail end 512 of ladder, and the internal diameter size a2 of rectangular seal 56 seals size a1 of center line more than valve seat 51 and valve ball 6.
Further arrange, valve ball 6 surface, the main sealing surfaces of valve seat 51, valve gap 4 entrance point tapered inlet runner
12, the sprue of valve ball 6 and valve seat 51 runner and port of export valve body 3 all carries out cure process.
Using technique scheme, valve component 5 is arranged on valve ball 6 import front end, and valve ball 6 rear end does not has valve seat and any
Other similar settings, direct and pipeline communication, and also valve component 5 designs for Bidirectional seal structure, and the chamber of spring 54 is nothing
Intrusive mood, fully seal structure design, when medium flows according to primary seal direction (arrow direction indication), valve seat 51 is at spring
It is close to valve ball 6 under 54 effects and medium power effect realize sealing, and when buffer brake is bigger, due to the square of valve seat 51 front end
The internal diameter size a2 of shape sealing ring 56 seals size a1 of center line more than valve seat 51 and valve ball 6 and forms ring surface " b ", is reversely situated between
Matter pressure is multiplied by ring surface " b " and i.e. produces the deboost F of valve seat 51, and makes valve seat 51 be close to valve ball 6 and realize reversely sealing,
And when the valve is open, powder or other any solid particle mediums all quick exits valve body will flow under pipeline pressure effect
Pipeline, it is impossible to deposit at valve internal.
Valve ball 6, valve seat 51 and sprue, tapered inlet runner 12 in this utility model have all carried out cure process,
Can thoroughly solve material deposition, the practical problem of resistance to erosion, it is ensured that production run and the safety of operation.
Valve seat 51 in this utility model is the most identical with valve ball 6 all the time, tight due to valve seat 51 and valve ball 6 during closedown
Coincideing and ensure that sealing, during valve opening, valve ball 6 surface will be cleaned by valve seat 51, and owing to valve ball 6 rear end is entirely without resistance
Hindering, medium circulation is without hindrance, does not stagnates, without blocking.
Above-described embodiment is only used for illustrating utility model of the present utility model design, rather than to this utility model right
The restriction of protection, all changes utilizing this design that this utility model carries out unsubstantiality, guarantor of the present utility model all should be fallen into
Protect scope.
Claims (9)
1. an anti-blocking resistance to erosion stop valve, it is characterised in that: include that valve body and valve gap, described valve body are provided with valve component,
Described valve component is provided with valve ball, is respectively equipped with valve rod and lower axle above and below described valve ball, and described valve ball is by lower axle
Retrain with valve rod coaxial center, and valve ball carries out spinning movement, described valve component along the coaxial centerlines of lower axle and valve rod
Coincideing with valve ball and be close to, described valve body, valve gap, valve ball and valve component are respectively provided with the straight-through circular flow channel of concentric, described valve
Being covered with medium entrance end, valve body is provided with runner exit end, and described valve gap entrance point size is consistent with connecting internal diameter of the pipeline, and valve
Lid entrance point size until size and valve component, valve ball internal diameter size are identical, forms the loudspeaker of valve gap entrance point to contract
Shape inlet channel.
Anti-blocking resistance to erosion stop valve the most as claimed in claim 1, it is characterised in that: it is provided with close between described valve rod and valve ball
Seal, is provided with lower seal between described lower axle and valve component, described lower seal forms the primary seal of valve component.
Anti-blocking resistance to erosion stop valve the most as claimed in claim 1, it is characterised in that: described valve component comprises valve seat, institute
Stating and be provided with spring on valve seat, the front-end and back-end of described spring are separately installed with inverted trapezoidal sealing ring and rectangular seal, institute
State inverted trapezoidal sealing ring and rectangular seal is airtight by spring.
Anti-blocking resistance to erosion stop valve the most as claimed in claim 3, it is characterised in that: the sealing surface both sides of described valve seat are provided with
Sharp edge edge.
Anti-blocking resistance to erosion stop valve the most as claimed in claim 3, it is characterised in that: on described valve seat, spring base is installed,
Described spring is arranged in spring base, and is provided with trim ring between described spring and rectangular seal.
Anti-blocking resistance to erosion stop valve the most as claimed in claim 1, it is characterised in that: described valve ball is fixed whole chou
Structure.
Anti-blocking resistance to erosion stop valve the most as claimed in claim 3, it is characterised in that: described rectangular seal is positioned at valve seat
Import front end, primary seal direction, described inverted trapezoidal sealing ring is positioned at the import rear end, primary seal direction of valve seat, and described valve seat exists
Rectangular seal front end is provided with the valve seat tail end with valve gap internal diameter, and the internal diameter size of rectangular seal is close with valve ball more than valve seat
The size of envelope center line.
Anti-blocking resistance to erosion stop valve the most as claimed in claim 5, it is characterised in that: the surface of described valve ball, valve seat master close
Envelope surface, the tapered inlet runner of valve gap entrance point, straight-through circular flow channel and port of export valve flowing channel all carry out cure process.
Anti-blocking resistance to erosion stop valve the most as claimed in claim 1, it is characterised in that: the outside of described valve rod is provided with gland, institute
The outside stating gland is provided with support, is provided with filler between described gland and valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620370022.1U CN205689792U (en) | 2016-04-28 | 2016-04-28 | A kind of anti-blocking resistance to erosion stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620370022.1U CN205689792U (en) | 2016-04-28 | 2016-04-28 | A kind of anti-blocking resistance to erosion stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205689792U true CN205689792U (en) | 2016-11-16 |
Family
ID=57265358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620370022.1U Active CN205689792U (en) | 2016-04-28 | 2016-04-28 | A kind of anti-blocking resistance to erosion stop valve |
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| CN (1) | CN205689792U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736730A (en) * | 2016-04-28 | 2016-07-06 | 超达阀门集团股份有限公司 | Anti-blocking and scouring-resistant stop valve |
| CN107327589A (en) * | 2017-07-31 | 2017-11-07 | 昆山维萨阀门有限公司 | A kind of HTHP fixing ball valve |
| CN108644405A (en) * | 2018-07-06 | 2018-10-12 | 温州金汇力阀门有限公司 | A kind of high pressure seals diclinic degree ball valve firmly |
-
2016
- 2016-04-28 CN CN201620370022.1U patent/CN205689792U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736730A (en) * | 2016-04-28 | 2016-07-06 | 超达阀门集团股份有限公司 | Anti-blocking and scouring-resistant stop valve |
| CN105736730B (en) * | 2016-04-28 | 2018-06-29 | 超达阀门集团股份有限公司 | A kind of anti-blocking resistance to erosion stop valve |
| CN107327589A (en) * | 2017-07-31 | 2017-11-07 | 昆山维萨阀门有限公司 | A kind of HTHP fixing ball valve |
| CN108644405A (en) * | 2018-07-06 | 2018-10-12 | 温州金汇力阀门有限公司 | A kind of high pressure seals diclinic degree ball valve firmly |
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| GR01 | Patent grant |