CN109578602A - A kind of guide type valve - Google Patents
A kind of guide type valve Download PDFInfo
- Publication number
- CN109578602A CN109578602A CN201811392524.4A CN201811392524A CN109578602A CN 109578602 A CN109578602 A CN 109578602A CN 201811392524 A CN201811392524 A CN 201811392524A CN 109578602 A CN109578602 A CN 109578602A
- Authority
- CN
- China
- Prior art keywords
- elastic plate
- leg
- pressing sleeve
- side channel
- outer pressing
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
Abstract
This application provides a kind of guide type valves, including valve body, valve pocket is installed in the body cavity of valve body, upper guide bush is provided with above valve pocket, outer pressing sleeve is provided on the outside of upper guide bush, outer pressing sleeve is mounted in the third hole of valve body, several the second sealing rings are arranged on upper guide bush, the second sealing ring positioned at the top is kept out on the lower end surface of outer pressing sleeve, the second sealing ring positioned at bottom is kept out on the upper surface of the outer ring boss of upper guide bush, the lower end of outer pressing sleeve is equipped with annular pillar, several side channel holes are uniformly provided on the periphery of annular pillar, elastic plate is equipped in side channel hole, and elastic plate extends to outside side channel hole, it keeps out on the bottom wall in side channel hole the lower end surface of elastic plate, cushion block is equipped between the upper surface of elastic plate and the roof in side channel hole, it keeps out the of valve body the lower end surface of the part of elastic plate protruding side slot On the bottom wall in two holes.Guide type valve provided by the present application can effectively prevent outer pressing sleeve and loosen.
Description
Technical field
The present invention relates to a kind of guide type valves, more particularly to a kind of guide type valve.
Background technique
Shut-off valve is also known as pipe valve valve, belongs to forced seal formula valve, is one of most popular valve.
Publication CN201320534907.7 discloses a kind of guide type valve, including valve body, on the valve body
The fluid entering channel and outlet fluid for being provided with body cavity and being connected to body cavity, the interior peace of the body cavity
Main valve plug equipped with valve pocket and in valve pocket, the main valve plug and valve seal cooperate, and offer first on the main valve plug
Through flow hole is provided with the pilot valve with the sealing cooperation of the first through flow hole on the main valve plug, is provided with valve on the main valve plug
Core gland, the pilot valve are connected with the valve rod for extending up through spool gland and stretching out valve body, the spool gland with
Valve stem slides cooperate, and are provided with and match with spool gland and for driving in the pilot valve and below spool gland
The shoulder of main valve plug uplink offers multiple second through flow holes on the valve pocket, is provided with upper guide bush above the valve pocket, institute
It states and is provided with outer pressing sleeve on the outside of upper guide bush, multiple second sealing rings are provided between the outer pressing sleeve and valve pocket.But in reality
It is found in use process, outer pressing sleeve is also easy to produce loosening after long-time use, so that under the sealing effect at the second sealing ring
Drop, easily leaks, influences the normal use of shut-off valve.
It is those skilled in the art's urgent problem in conclusion outer pressing sleeve how to be avoided to loosen.
Summary of the invention
The object of the present invention is to provide a kind of guide type valves, solve existing guide type valve and use for a long time
The problem of outer pressing sleeve easily loosens afterwards.
In order to solve the above technical problems, the invention provides the following technical scheme: a kind of guide type valve, including valve body,
Valve pocket is installed in the body cavity of the valve body, upper guide bush is provided with above the valve pocket, is set on the outside of the upper guide bush
It is equipped with outer pressing sleeve, the outer pressing sleeve is mounted on the second hole Xiang Suoshu in the third hole of the valve body and passing through the valve body
Extend in first hole of valve body, is arranged with several the second sealing rings on the upper guide bush, described second positioned at the top is close
Seal is kept out on the lower end surface of the outer pressing sleeve, is kept out positioned at second sealing ring of bottom in the outer of the upper guide bush
On the upper surface of ring convex platform, the lower end of the outer pressing sleeve is equipped with annular pillar, if being uniformly provided on the periphery of the annular pillar
A side channel hole is done, elastic plate is equipped in the side channel hole and the elastic plate extends to outside the side channel hole, the elastic plate
Lower end surface keep out on the bottom wall in the side channel hole, be equipped between the upper surface of the elastic plate and the roof in the side channel hole
Cushion block, the lower end surface that the elastic plate stretches out the part in the side channel hole are kept out on the bottom wall in the second hole of the valve body.
Further, the elastic plate is equipped with several, several elastic plates are stacked.
It further, further include plug pin, the plug pin is mounted on the lower end of the outer pressing sleeve, and the nail rod of the plug pin is successively
First opened up on the second jack and the cushion block opened up in the nail hole that is opened up on the annular pillar, the elastic plate
Jack.
Further, the plug pin is rubber material.
Further, the inside of the nail rod is equipped with core bar, and the core bar is metal material.
It further, further include press part and gasket ring, it is described second close to be pressed on the top for the lower end of the gasket ring
In seal, the upper end of the press part is mounted on the plug pin, and the lower end of the press part is pressed on the gasket ring, described
There is press part chassis and several first arcs to suppress leg, and the interconnecting piece of the chassis is embedded in the ailhead of the plug pin
In caulking groove, one end that first arc suppresses leg is connected in the central post portion of the chassis, and first arc suppresses leg
The other end be pressed on the gasket ring.
Further, the free end that first arc suppresses leg is equipped with the first circular arc elbow, first circular arc
Elbow is pressed on the gasket ring.
Further, also there are the press part several second arcs to suppress leg, and second arc suppresses leg
One end is connected in the central post portion of the chassis, and the other end that second arc suppresses leg is pressed on the gasket ring, institute
It states the second arc and suppresses leg and be located at the lower section that first arc suppresses leg.
Further, the free end that second arc suppresses leg is equipped with the second circular arc elbow, second circular arc
Elbow is pressed on the gasket ring.
It can be seen from above-mentioned technical proposal the invention has the following advantages:
In the present invention, when installing outer pressing sleeve, external pressure cuff dynamic elasticity plate is moved downward, and elastic plate is made to generate deformation, shape
The elastic plate of change can generate a lasting elastic force, and the threaded connection pair of outer pressing sleeve and valve body is made persistently to keep a frictional force,
The moment of resistance is generated, and then outer pressing sleeve is effectively prevent to loosen；
When installing outer pressing sleeve, external pressure set drives press part to move downward, and the lower end of press part pushes gasket ring and squeezes second
Sealing ring, so that there is good leakproofness, while the first arc of press part suppresses leg deformation occurs, meeting at the second sealing ring
A lasting elastic force is generated, can be carried out compensation when long-time is reduced using the second sealing ring elasticity, so that the second sealing ring
Place still is able to keep good leakproofness, prolongs the service life；
Second arc, which suppresses leg and can effectively share the first arc, suppresses the extruding that leg is subject to, and delays the first arc to suppress leg tired
The generation for wound of straining, and then extend the service life of press part.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the partial enlargement structural representation in Fig. 1 at A.
Fig. 3 is the partial enlargement structural representation in Fig. 2 at B.
Description of symbols: valve body 1, the first hole 11, the second hole 12, third hole 13, upper guide bush 2, outer ring boss 21, second
Sealing ring 3, outer pressing sleeve 4, annular pillar 41, side channel hole 411, nail hole 412, cushion block 5, the first jack 51, elastic plate 6, second are inserted
Hole 61, plug pin 7, nail rod 71, ailhead 72, intrusion slot 721, core bar 73, press part 8, chassis 81, interconnecting piece 811, central post portion
812, the first arc suppresses leg 82, the first circular arc elbow 821, the second arc and suppresses leg 83, the second circular arc elbow 831, gasket ring 9.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Below with reference to Fig. 1 to Fig. 3, the invention will be further described, a kind of guide type valve as shown in Figure 1, including
Valve body 1 is equipped with valve pocket in the body cavity of valve body 1, upper guide bush 2 is provided with above valve pocket, the outside of upper guide bush 2 is provided with
Outer pressing sleeve 4, outer pressing sleeve 4 be connected through a screw thread be mounted in the third hole 13 of valve body 1 and pass through the second hole 12 of valve body 1 to
Extend in first hole 11 of valve body 1, is arranged with several the second sealing rings 3 on upper guide bush 2, the second sealing ring positioned at the top
3 keep out on the lower end surface of outer pressing sleeve 4, positioned at the second sealing ring 3 of bottom keep out upper guide bush 2 outer ring boss 21 it is upper
On end face, the lower end of outer pressing sleeve 4 is equipped with annular pillar 41, is uniformly provided with several side channel holes 411 on the periphery of annular pillar 41,
Elastic plate 6 is equipped in side channel hole 411 and elastic plate 6 extends to outside side channel hole 411, and elastic plate 6 is located inside side channel hole 411
The lower end surface divided is kept out on the bottom wall in side channel hole 411, and pad is equipped between the upper surface of elastic plate 6 and the roof in side channel hole 411
Block 5, the lower end surface of the part of 6 protruding side slot 411 of elastic plate are kept out on the bottom wall in the second hole 12 of valve body 1, outer in installation
When pressing sleeve 4, outer pressing sleeve 4 drives elastic plate 6 to move downward, and elastic plate 6 is made to generate deformation, and the elastic plate 6 of deformation can generate one
Lasting elastic force makes outer pressing sleeve 4 and the threaded connection pair of valve body 1 persistently keep a frictional force, generates the moment of resistance, and then effectively
Prevent outer pressing sleeve 4 from loosening.
In the present embodiment, as shown in Figure 1, Figure 2, Figure 3 shows, elastic plate 6 is equipped with several, several elastic plates 6 are stacked,
In order to provide a biggish elastic force.
In the present embodiment, as shown in Figure 1, Figure 2, Figure 3 shows, guide type valve further includes plug pin 7, and plug pin 7 is rubber material,
The inside of nail rod 71 is equipped with core bar 73, and core bar 73 is metal material, and plug pin 7 is mounted on the lower end of outer pressing sleeve 4, the nail rod of plug pin 7
It 71 sequentially passes through the nail hole 412 opened up on annular pillar 41, open up on the second jack 61 and cushion block 5 that open up on elastic plate 6
First jack 51, so that elastic plate 6 and cushion block 5 are fixed in side channel hole 411.
In the present embodiment, as shown in Figure 1, Figure 2, Figure 3 shows, guide type valve further includes press part 8 and gasket ring 9, gasket ring 9
Lower end is pressed on the second sealing ring 3 of the top, and the upper end of press part 8 is mounted on plug pin 7, and the lower end of press part 8 compresses
On gasket ring 9, press part 8 has chassis 81 and several first arcs suppress leg 82, and the interconnecting piece 811 of chassis 81, which is embedded, to be inserted
In the intrusion slot 721 of the ailhead 72 of nail 7, one end that the first arc suppresses leg 82 is connected in the central post portion 812 of chassis 81, the
The first circular arc elbow 821 that one arc suppresses the other end of leg 82 is pressed on gasket ring 9, and it is equal that several first arcs suppress leg 82
On the periphery of even centrally disposed bar portion 812, when installing outer pressing sleeve 4, outer pressing sleeve 4 drives press part 8 to move downward, press part
8 lower end pushes gasket ring 9 and squeezes the second sealing ring 3, so that having good leakproofness at the second sealing ring 3, while press part 8
The first arc suppress leg 82 deformation occurs, a lasting elastic force can be generated, use 3 elasticity drop of the second sealing ring in long-time
It can be carried out compensation when low, so that still being able to keep good leakproofness at the second sealing ring 3, prolong the service life.
In the present embodiment, as shown in Figure 1, Figure 2, Figure 3 shows, press part 8 also there are several second arcs to suppress leg 83, and second
One end that arc suppresses leg 83 is connected in the central post portion 812 of chassis 81, and the second arc suppresses the second of the other end of leg 83
Circular arc elbow 831 is pressed on gasket ring 9, and the second arc suppresses leg 83 and is located at the lower section that the first arc suppresses leg 82, several
Two arcs suppress leg 83 and are uniformly arranged on the periphery of central post portion 812, and the second arc, which suppresses leg 83, can effectively share the first arc
Shape suppresses the extruding that leg 82 is subject to, and delays the first arc to suppress the generation of 82 fatigue damage of leg, and then extend the use of press part 8
Service life.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of guide type valve, including valve body (1), valve pocket, the valve pocket are installed in the body cavity of the valve body (1)
Top be provided with upper guide bush (2), be provided with outer pressing sleeve (4) on the outside of the upper guide bush (2), the outer pressing sleeve (4) is mounted on
First of the second hole (12) Xiang Suoshu valve body (1) in the third hole (13) of the valve body (1) and across the valve body (1)
Extend in hole (11), which is characterized in that several second sealing rings (3) are arranged on the upper guide bush (2), positioned at the top
Second sealing ring (3) is kept out on the lower end surface of the outer pressing sleeve (4), positioned at second sealing ring (3) of bottom
It keeps out on the upper surface of the outer ring boss (21) of the upper guide bush (2), the lower end of the outer pressing sleeve (4) is equipped with annular pillar
(41), several side channel holes (411) are uniformly provided on the periphery of the annular pillar (41), are equipped in the side channel hole (411)
Elastic plate (6) and the elastic plate (6) Xiang Suoshu side channel hole (411) extends outside, the lower end surface of the elastic plate (6) is kept out
On the bottom wall of the side channel hole (411), set between the upper surface of the elastic plate (6) and the roof in the side channel hole (411)
Have cushion block (5), the lower end surface that the elastic plate (6) stretches out the part of the side channel hole (411) is kept out the of the valve body (1)
On the bottom wall in two holes (12).
2. guide type valve according to claim 1, which is characterized in that the elastic plate (6) is equipped with several, several
A elastic plate (6) is stacked.
3. guide type valve according to claim 1, which is characterized in that it further include plug pin (7), plug pin (7) peace
Mounted in the lower end of the outer pressing sleeve (4), the nail rod (71) of the plug pin (7), which sequentially passes through, to be opened up on the annular pillar (41)
The first jack (51) opened up on the second jack (61) and the cushion block (5) opened up in nail hole (412), the elastic plate (6).
4. guide type valve according to claim 3, which is characterized in that the plug pin (7) is rubber material.
5. guide type valve according to claim 4, which is characterized in that the inside of the nail rod (71) is equipped with core bar
(73), the core bar (73) is metal material.
6. guide type valve according to claim 2, which is characterized in that further include press part (8) and gasket ring (9), institute
The lower end for stating gasket ring (9) is pressed on second sealing ring (3) of the top, and the upper end of the press part (8) is mounted on institute
It states on plug pin (7), the lower end of the press part (8) is pressed on the gasket ring (9), and the press part (8) has chassis (81)
It is suppressed leg (82) with several first arcs, the interconnecting piece (811) of the chassis (81) is embedded the ailhead in the plug pin (7)
(72) in intrusion slot (721), one end that first arc suppresses leg (82) is connected to the central post portion of the chassis (81)
(812) on, the other end that first arc suppresses leg (82) is pressed on the gasket ring (9).
7. guide type valve according to claim 6, which is characterized in that first arc suppresses the freedom of leg (82)
End is equipped with the first circular arc elbow (821), and the first circular arc elbow (821) is pressed on the gasket ring (9).
8. guide type valve according to claim 6, which is characterized in that the press part (8) also have several the
Two arcs suppress leg (83), and one end that second arc suppresses leg (83) is connected to the central post portion of the chassis (81)
(812) on, the other end that second arc suppresses leg (83) is pressed on the gasket ring (9), and second arc suppresses leg
(83) it is located at the lower section that first arc suppresses leg (82).
9. guide type valve according to claim 8, which is characterized in that second arc suppresses the freedom of leg (83)
End is equipped with the second circular arc elbow (831), and the second circular arc elbow (831) is pressed on the gasket ring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392524.4A CN109578602B (en) | 2018-11-21 | 2018-11-21 | Pilot-operated stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392524.4A CN109578602B (en) | 2018-11-21 | 2018-11-21 | Pilot-operated stop valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109578602A true CN109578602A (en) | 2019-04-05 |
| CN109578602B CN109578602B (en) | 2020-02-11 |
Family
ID=65923224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811392524.4A Active CN109578602B (en) | 2018-11-21 | 2018-11-21 | Pilot-operated stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109578602B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991011644A1 (en) * | 1990-02-05 | 1991-08-08 | Itw Limited | Needle packing assembly |
| CN203442152U (en) * | 2013-08-29 | 2014-02-19 | 西安秦申特种调节阀有限责任公司 | Pilot-type stop valve |
| CN204226680U (en) * | 2014-11-18 | 2015-03-25 | 欧文凯利自控阀（上海）有限公司 | Stuffing hole place strengthens the anti-electric butterfly valve leaked outside |
| JP2017110718A (en) * | 2015-12-16 | 2017-06-22 | 株式会社オンダ製作所 | Piping coupler |
| CN206468889U (en) * | 2017-02-27 | 2017-09-05 | 陈艳芳 | A kind of needle valve |
| US20180299013A1 (en) * | 2015-12-23 | 2018-10-18 | Trelleborg Sealing Solutions Germany Gmbh | Rotary seal arrangement and rotary seal with helical spring sealing element |
-
2018
- 2018-11-21 CN CN201811392524.4A patent/CN109578602B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991011644A1 (en) * | 1990-02-05 | 1991-08-08 | Itw Limited | Needle packing assembly |
| CN203442152U (en) * | 2013-08-29 | 2014-02-19 | 西安秦申特种调节阀有限责任公司 | Pilot-type stop valve |
| CN204226680U (en) * | 2014-11-18 | 2015-03-25 | 欧文凯利自控阀（上海）有限公司 | Stuffing hole place strengthens the anti-electric butterfly valve leaked outside |
| JP2017110718A (en) * | 2015-12-16 | 2017-06-22 | 株式会社オンダ製作所 | Piping coupler |
| US20180299013A1 (en) * | 2015-12-23 | 2018-10-18 | Trelleborg Sealing Solutions Germany Gmbh | Rotary seal arrangement and rotary seal with helical spring sealing element |
| CN206468889U (en) * | 2017-02-27 | 2017-09-05 | 陈艳芳 | A kind of needle valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109578602B (en) | 2020-02-11 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20190405 Assignee: Zhejiang Creative Park Culture Communication Co.,Ltd. Assignor: ZHEJIANG INDUSTRY & TRADE VACATIONAL College Contract record no.: X2021330000387 Denomination of invention: A pilot stop valve Granted publication date: 20200211 License type: Common License Record date: 20211011 |
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| EE01 | Entry into force of recordation of patent licensing contract |