CN207584128U - The low floating type regulating valve of slip - Google Patents
The low floating type regulating valve of slip Download PDFInfo
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- CN207584128U CN207584128U CN201721786913.6U CN201721786913U CN207584128U CN 207584128 U CN207584128 U CN 207584128U CN 201721786913 U CN201721786913 U CN 201721786913U CN 207584128 U CN207584128 U CN 207584128U
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- ring
- bonnet
- floating
- spool
- sleeve
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Abstract
The utility model is related to regulating valve technical fields,More particularly to a kind of floating type regulating valve of low slip,Suitable for various gases,Liquid operating mode,With automatic capturing,Good airproof performance,Low slip,It is anti-jamming,Anti- internals pull the floating type regulating valve of low slip of feature,Conventional regulator leakage rate has been broken away from dependent on spool,Valve seat,The shortcomings that concentricity of upper bush three,Using the four sides floating-type seal structure of floating ring,Floating ring can be with the movement automatic capturing of spool,And by increasing the gap between valve seat outer circle and valve body,Make valve seat with spool automatic capturing,Spool and floating ring are greatly improved in this way,Leakproofness between spool and valve seat,It is stuck and pull the failure of trim that regulating valve emerged in operation is avoided simultaneously,In addition the sealing of four sides sealing ring,The leakage that effective low stopping medium passes through balance hole,It ensure that regulating valve has extremely low slip under full off state.
Description
Technical field
The utility model is related to regulating valve technical field more particularly to a kind of floating type regulating valves of low slip, are suitable for
Various gases, liquid operating mode, have the characteristics that automatic capturing, good airproof performance, low slip, anti-jamming, anti-internals are pulled low lets out
The floating type regulating valve of leak rate.
Background technology
As shown in figure 4, traditional regulation valve core also is provided with balance hole, valve seat upper surface be equipped with sleeve sleeve upper end with
Upper bush coordinates, spool upper end outer circle and upper bush inner hole, and outer circle is equipped with two seals ring, spool and valve seat, valve
Leakproofness between core and upper bush determines leakage rate during regulating valve full off state.It, must in order to realize relatively low slip
Must ensure valve seat, spool, upper bush three concentricity, however, as the inevitable errors of processing, it is difficult to ensure that this three parts
It is coaxial simultaneously, cause slip exceeded, and spool can often occur to pull upper bush or spool jam medium tight in upper bush
Weight failure.
Utility model content
The technical problems to be solved in the utility model is：The shortcomings that in order to overcome above-mentioned regulating valve structure, provides a kind of low
The floating type regulating valve of slip.Broken away from conventional regulator leakage rate dependent on spool, valve seat, upper bush three concentricity
Shortcoming, using the four sides floating-type seal structure of floating ring, floating ring can be with the movement automatic capturing of spool, and passes through increase
Gap between valve seat outer circle and valve body makes valve seat greatly improve spool and floating ring, valve in this way with spool automatic capturing
Leakproofness between core and valve seat, while it is stuck and pull the failure of trim to avoid regulating valve emerged in operation, in addition four
The sealing of face sealing ring, leakage of the medium by balance hole of effective low stopping ensure that regulating valve has pole under full off state
Low slip.
Technical solution is used by the utility model solves its technical problem：A kind of floating type regulating valve of low slip,
Including bonnet, valve body, sleeve, spool, valve rod and valve seat, the both sides of the valve body are respectively arranged with what is communicated with body cavity
Inlet and outlet is provided with the spool installation passage communicated with body cavity on valve body, and the bonnet, is fixedly mounted on valve
The upper end of body, sleeve are fixedly mounted in spool installation passage, and the upper end of sleeve is fixedly connected with the bottom of bonnet, and valve seat is solid
Surely the lower end of sleeve is connected to, valve seat is fixedly connected on the lower end of spool installation passage, and spool is slidably mounted in sleeve, valve rod
Be interspersed in bonnet, and be fixedly connected with valve core inside, be additionally provided in the sleeve can regulating valve seat, spool and on
The floating regulating mechanism in the gap between valve deck.
Further, specifically, the floating regulating mechanism includes floating ring, pressing plate and bonnet, sleeve, the bonnet,
The lower face integral structure of sleeve and bonnet, and bonnet, sleeve and bonnet, coaxial arrangement, valve rod are interspersed in bonnet, set
In cylinder, valve core housing is on the bonnet, sleeve, and the outer ring of the bonnet, sleeve lower face offers circumferential step, described
Rank includes horizontal First terrace and vertical second step face, and floating ring is sleeved on the step of bonnet, sleeve lower face
It is interior, and pressing plate is fixedly connected with the lower face of bonnet, sleeve, floating ring is pressed in step by pressing plate, outside bonnet, sleeve
Clearance fit between circle and spool inner ring, between the outer ring of floating ring and spool inner ring, the upper surface of floating ring and first step
It is tightly connected between face, between floating ring inner ring and second step face and between floating ring lower face and pressing plate.
Further, specifically, outer seal ring mounting groove is equipped on the outer ring of the floating ring, ring is set on First terrace
Have a upper sealing ring mounting groove, be equipped with lower sealing ring mounting groove on the contact surface of pressing plate and floating ring lower face, floating ring it is interior
Ring is equipped with inner seal ring mounting groove, the outer seal ring mounting groove, upper sealing ring mounting groove, lower sealing ring mounting groove and Nei Mi
Sealing element is both provided in seal ring mounting groove.
Further, specifically, the pressing plate is fixedly mounted on by soket head cap screw on the lower face of bonnet, sleeve.
Further, specifically, multiple flow equilibrium holes are offered on the sleeve, are balance type structure.
The beneficial effects of the utility model are that the floating type regulating valve of low slip of the utility model has broken away from traditional tune
Save valve leakage rate dependent on spool, valve seat, upper bush three concentricity the shortcomings that, using the four sides floating sealing of floating ring
Structure, floating ring can be with the movement automatic capturing of spool, and by increasing the gap between valve seat outer circle and valve body, makes valve seat
With spool automatic capturing, the leakproofness between spool and floating ring, spool and valve seat is greatly improved in this way, is avoided simultaneously
Regulating valve emerged in operation is stuck and pulls the failure of trim, in addition the sealing of four sides sealing ring, effective low stopping medium
By the leakage of balance hole, it ensure that regulating valve has extremely low slip under full off state.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structure diagram of the complete machine of the low floating type regulating valve of slip.
Fig. 2 is the inner parts structure enlarged view of the low floating type regulating valve of slip.
Fig. 3 is the enlarged view of the low floating type regulating valve floating structure of slip
Fig. 4 is a kind of traditional regulating valve complete machine structure figure.
In figure：1st, valve body, 2, valve seat, 3, spool, 4, sleeve, 5, soket head cap screw, 6, pressing plate, 7, floating ring, 8, outer close
Seal ring mounting groove, 9, inner seal ring mounting groove, 10, upper sealing ring mounting groove, 11, bonnet, 11-1, bonnet, sleeve, 12, valve
Bar, 13, lower sealing ring mounting groove.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows the composition related with the utility model.
As shown in Figs. 1-3, it is the utility model optimum embodiment, a kind of low floating type regulating valve of slip, suitable for each
Kind of gas, liquid operating mode have the characteristics that the low leakage that automatic capturing, good airproof performance, low slip, anti-jamming, anti-internals are pulled
The floating type regulating valve of rate includes bonnet, 11, valve body 1, sleeve 4, spool 3, valve rod 12 and valve seat 2, and the both sides of valve body 1 are set respectively
The inlet and outlet communicated with body cavity is equipped with, the spool installation passage communicated with body cavity is provided on valve body 1, on
Valve deck 11 is fixedly mounted on the upper end of valve body 1, and sleeve 4 is fixedly mounted in spool installation passage, the upper end of sleeve 4 and bonnet,
11 bottom is fixedly connected, and valve seat 2 is fixedly connected on the lower end of sleeve 4, and valve seat 2 is fixedly connected under spool installation passage
End, spool 3 are slidably mounted in sleeve 4, and valve rod 12 is interspersed in bonnet, 11 and with being fixedly connected inside spool 3, on sleeve 4
Offer multiple flow equilibrium holes.
The floating that gap that can be between regulating valve seat 2, spool 3 and bonnet, 11 is additionally provided in sleeve 4 adjusts machine
Structure.Floating regulating mechanism is including under floating ring 7, pressing plate 6 and bonnet, sleeve 11-1, bonnet, sleeve 11-1 and bonnet, 11
End face integral structure, and bonnet, sleeve 11-1 and bonnet, 11 are coaxially disposed, valve rod 12 is interspersed in bonnet, sleeve 11-1,
Spool 3 is sleeved on bonnet, sleeve 11-1, and the outer ring of bonnet, sleeve 11-1 lower faces offers circumferential step, step packet
Horizontal First terrace and vertical second step face are included, floating ring 7 is sleeved on the step of bonnet, sleeve 11-1 lower faces
It is interior, and pressing plate 6 is fixedly mounted on by soket head cap screw 5 on the lower face of bonnet, sleeve 11-1.Pressing plate 6 presses floating ring 7
Tightly in step, clearance fit between 3 inner ring of outer ring and spool of bonnet, sleeve 11-1, in the outer ring and spool 3 of floating ring 7
Between circle, between the upper surface of floating ring 7 and First terrace, between 7 inner ring of floating ring and second step face and floating ring 7
It is tightly connected between lower face and pressing plate 6.
Outer seal ring mounting groove 8 is equipped on the outer ring of floating ring 7, upper sealing ring mounting groove is equipped on First terrace
10, lower sealing ring mounting groove 13 is equipped on the contact surface of 7 lower face of pressing plate 6 and floating ring, in the inner ring of floating ring 7 is equipped with
Sealing ring mounting groove 9, outer seal ring mounting groove 8, upper sealing ring mounting groove 10, lower sealing ring mounting groove 13 and inner seal ring installation
Sealing element is both provided in slot 9.
Spool 3 does reciprocating linear motion in 4 endoporus of sleeve, is keying and the guide elements of regulating valve, and spool 3 is equipped with stream
Balance hole is measured, is balance type structure, the leakproofness between spool 3 and valve seat 2, spool 3 and floating ring 7 determines that spool 3 is fully closed
The leakage rate of regulating valve under state.Valve seat 2 is installed in valve body 1, there is enough gaps between outer circle and valve body 1, can make valve seat 2
With 3 automatic capturing of spool.Floating ring 7 is installed in the outer step of 11 lower end of bonnet, and passes through several interior hexagonal spiral shells by pressing plate 6
Nail 5 is pushed down, and prevents floating ring 7 from deviating from bonnet, 11.7 outer circle of floating ring is equipped with twice outer seal ring mounting groove 8, in floating ring 7
Hole and upper and lower end face are respectively provided with one of sealing element, it is ensured that the sealing between spool 3 and floating ring 7, floating ring 7 and bonnet, 11
Property, dielectric leakage is prevented, there are enough gaps between floating ring 7 and spool 3, bonnet, 11, pressing plate 6, it is ensured that in spool 3
Up and down motion during floating ring 7 can automatic capturing, it is coaxial with spool 3, in this way, 7 circumference of floating ring and outer seal ring are installed
Sealing element in slot 8 and inner seal ring mounting groove 9 can play the role of optimal seal, effectively prevent dielectric leakage, meanwhile, it floats
Ring 7 is coaxial with spool 3 at any time, spool 3 can be avoided to pull even stuck.Broken away from conventional regulator leakage rate dependent on spool,
The shortcomings that concentricity of valve seat and upper bush three, using the four sides floating-type seal structure of floating ring 7, floating ring 7 can be with valve
The movement automatic capturing of core 3, and by increasing the gap between 2 outer circle of valve seat and valve body 1, valve seat 2 is made to be looked for automatically with spool 3
Just, the leakproofness between spool 3 and floating ring 7, spool 3 and valve seat 2 is greatly improved in this way, while avoids regulating valve fortune
Occurs failure that is stuck and pulling trim in row, in addition the sealing of four face seals (ring), effective low stopping medium passes through
The leakage of balance hole ensure that regulating valve has extremely low slip under full off state.
Using the above-mentioned desirable embodiment according to the utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
The content being not limited to novel technical scope on specification, it is necessary to which its technology is determined according to right
Property range.
Claims (5)
1. a kind of floating type regulating valve of low slip, it is characterised in that：Including bonnet, (11), valve body (1), sleeve (4), spool
(3), valve rod (12) and valve seat (2), the both sides of the valve body (1) are respectively arranged with the inlet and outlet communicated with body cavity,
The spool installation passage communicated with body cavity is provided on valve body (1), the bonnet, (11) is fixedly mounted on valve body (1)
Upper end, sleeve (4) is fixedly mounted in spool installation passage, and the upper end of sleeve (4) is fixed with the bottom of bonnet, (11) to be connected
It connects, valve seat (2) is fixedly connected on the lower end of sleeve (4), and valve seat (2) is fixedly connected on the lower end of spool installation passage, spool (3)
It is slidably mounted in sleeve (4), valve rod (12) is interspersed in bonnet, (11) and with being fixedly connected inside spool (3), the set
The floating regulating mechanism in gap that can be between regulating valve seat (2), spool (3) and bonnet, (11) is additionally provided in cylinder (4).
2. the low floating type regulating valve of slip as described in claim 1, it is characterised in that：The floating regulating mechanism includes floating
The lower face one of rotating ring (7), pressing plate (6) and bonnet, sleeve (11-1), the bonnet, sleeve (11-1) and bonnet, (11)
Body structure, and bonnet, sleeve (11-1) and bonnet, (11) coaxial arrangement, valve rod (12) are interspersed in bonnet, sleeve (11-1)
Interior, spool (3) is sleeved on bonnet, sleeve (11-1), and the outer ring of bonnet, sleeve (11-1) lower face offers circumferential direction
Step, the step includes horizontal First terrace and vertical second step face, and floating ring (7) is sleeved on bonnet, set
In the step of cylinder (11-1) lower face, and pressing plate (6) is fixedly connected with the lower face of bonnet, sleeve (11-1), and pressing plate (6) will
Floating ring (7) is pressed in step, clearance fit between the outer ring of bonnet, sleeve (11-1) and spool (3) inner ring, floating ring
(7) between outer ring and spool (3) inner ring, between the upper surface of floating ring (7) and First terrace, floating ring (7) inner ring and
It is tightly connected between second step face and between floating ring (7) lower face and pressing plate (6).
3. the low floating type regulating valve of slip as claimed in claim 2, it is characterised in that：On the outer ring of the floating ring (7)
Outer seal ring mounting groove (8) is equipped with, upper sealing ring mounting groove (10), pressing plate (6) and floating ring are equipped on First terrace
(7) lower sealing ring mounting groove (13) is equipped on the contact surface of lower face, the inner ring of floating ring (7) is equipped with inner seal ring installation
Slot (9), the outer seal ring mounting groove (8), upper sealing ring mounting groove (10), lower sealing ring mounting groove (13) and inner seal ring peace
Sealing element is both provided in tankage (9).
4. the low floating type regulating valve of slip as claimed in claim 2, it is characterised in that：The pressing plate (6) passes through interior hexagonal
Screw (5) is fixedly mounted on the lower face of bonnet, sleeve (11-1).
5. the low floating type regulating valve of slip as claimed in claim 2, it is characterised in that：It is offered on the sleeve (4) more
A flow equilibrium hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721786913.6U CN207584128U (en) | 2017-12-20 | 2017-12-20 | The low floating type regulating valve of slip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721786913.6U CN207584128U (en) | 2017-12-20 | 2017-12-20 | The low floating type regulating valve of slip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207584128U true CN207584128U (en) | 2018-07-06 |
Family
ID=62739003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721786913.6U Active CN207584128U (en) | 2017-12-20 | 2017-12-20 | The low floating type regulating valve of slip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207584128U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630701A (en) * | 2019-02-19 | 2019-04-16 | 宁夏银星吴忠仪表流体控制有限公司 | The regulating valve of good antiscale property and low friction resistance |
-
2017
- 2017-12-20 CN CN201721786913.6U patent/CN207584128U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630701A (en) * | 2019-02-19 | 2019-04-16 | 宁夏银星吴忠仪表流体控制有限公司 | The regulating valve of good antiscale property and low friction resistance |
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