CN105387220A - Multipurpose stop valve with replaceable sealing valve seat - Google Patents
Multipurpose stop valve with replaceable sealing valve seat Download PDFInfo
- Publication number
- CN105387220A CN105387220A CN201510872055.6A CN201510872055A CN105387220A CN 105387220 A CN105387220 A CN 105387220A CN 201510872055 A CN201510872055 A CN 201510872055A CN 105387220 A CN105387220 A CN 105387220A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- seal
- seat
- valve body
- 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.)
- Pending
Links
Classifications
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- 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
- F16K1/02—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 with screw-spindle
- F16K1/04—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 with screw-spindle with a cut-off member rigid with the spindle, e.g. main valves
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- 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
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- 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
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- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
Abstract
The invention relates to a multipurpose stop valve with a replaceable sealing valve seat. The multipurpose stop valve comprises a valve shell, a valve element and valve decks. The valve decks are detachably connected with a valve body. The two sides of the valve body are provided with an inlet and an outlet. The valve element comprises sealing units. Each sealing unit comprises a valve rod and a valve head, wherein the valve rod can stretch into an inner cavity of the hollow valve body from the corresponding valve deck. The hollow replaceable sealing valve seat is arranged corresponding to the valve heads. The outer wall of the replaceable sealing valve seat is in seal fit with the inner wall of the hollow valve body, and the end face of the replaceable sealing valve seat is in seal fit with the end faces of the valve heads. A detecting hole communicated with an inner cavity of the sealing valve seat is formed in the outer wall of the valve body. An annular groove is formed in the inner wall of the valve body or the outer wall of the replaceable sealing valve seat and communicated with the detecting hole. A non-return ring is arranged at one end of the replaceable sealing valve seat and provided with a positioning pin. Different combinations can be achieved according to needs, for example, a stop valve is located at one end while an adjusting valve is located at the other end, or a check valve is located at the upper end while a stop valve is located at the lower end. The multipurpose stop valve has the advantages that the sealing valve seat is replaceable, the cost is low and the sealing effect is good.
Description
Technical field
The present invention relates to a kind of seal valve seat Changable type Multipurpose stop valve.
Background technique
Valve body and the valve seat of existing stop valve mostly are integrated type, once sealing surface of seat an ancient egg-shaped, holed wind instrument is bad, and can only integral replacing valve.
Summary of the invention
For the problems referred to above, the invention provides a kind of seal valve seat Changable type Multipurpose stop valve, the present invention adopts the two ends up and down of valve body to be valve gap, replaceable seal valve seat form, compared with prior art, have that seal valve seat is replaceable, cost is low, the advantage of good sealing effect.
For achieving the above object, the present invention solves by the following technical programs:
A kind of seal valve seat Changable type Multipurpose stop valve, comprise and be positioned at middle hollow valve body, the two ends up and down of hollow valve body are valve gap, and the valve gap at two ends is connected with valve body is removable, form stop valve shell after connecting;
Hollow valve body both sides are respectively provided with an inlet/outlet for medium circulation;
Also comprise spool, spool includes at least one sealing unit, sealing unit is positioned at valve body, described sealing unit comprises the valve rod extending into hollow valve body inner chamber from valve gap, the end of valve rod is provided with valve head, the replaceable seal valve seat that be provided with hollow corresponding to valve head, and replaceable seal valve seat is at body cavity and between two through holes, the outer wall of replaceable seal valve seat coordinates with hollow valve body inner wall sealing, and the end face of replaceable seal valve seat coordinates with the end face seal of valve head; Valve rod drives valve head motion, completes disengaging and the sealing of valve head and replaceable seal valve seat;
One end of described replaceable seal valve seat is provided with retaining ring, and retaining ring is positioned at the inner chamber of hollow valve body, and offers the through hole corresponding with valve body import on the perisporium of retaining ring, and through hole communicates with valve body import, and retaining ring is provided with locating stud.
Preferably, described hollow valve body is the form of shoulder hole, and replaceable seal valve seat is ladder hub form, and replaceable seal valve seat coordinates with the shoulder hole of hollow valve body and is nested in hollow valve body.
Preferably, one of them valve gap is provided with a valve rod, and another valve gap is blind cover.
Preferably, described sealing unit is provided with two: the two ends up and down of valve body are respectively provided with a valve gap, valve gap coordinates and is provided with valve rod, valve head; Two valve heads coordinate with replaceable seal ring two ends respectively.
Preferably, described valve body is vertically arranged, and the import of valve body is lower than outlet, and the valve gap being positioned at valve body entrance point is provided with the valve rod stretching out valve gap, and valve rod is provided with valve head; On the valve gap being positioned at valve outlet end, vertical slip is provided with top guide bar, and the lower end of top guide bar is provided with non-return valve head.
Preferably, the outer wall of valve body offers the detect aperture communicated with seal valve seat inner chamber.
Preferably, valve gap is connected with valve flange.
Preferably, valve interior wall or replaceable seal valve seat outer wall are provided with annular groove and communicate with detect aperture.
Working principle of the present invention and beneficial effect show:
The present invention mainly comprises at the valve gap at upper and lower two ends and the hollow valve body between valve gap, forms valve casing; Both adopt detachable connection, when replaceable seal valve seat or valve head produce wearing and tearing, change wearout parts.
Valve rod, valve head, replaceable seal valve seat, retaining ring form spool, and spool is positioned at valve casing, and whether spool realizes the break-make of this stop valve by the sealing of valve head and replaceable seal valve seat.
The valve seat of seal valve seat Changable type stop valve, two valve heads, can have various different combination, as stop valve modulating valve, and top safety check following stop valve etc.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is constructive embodiment 1 schematic diagram of the present invention;
Fig. 2 is this practical inventive embodiments 2 schematic diagram;
Fig. 3 is constructive embodiment 3 schematic diagram of the present invention.
Embodiment
The correlation technique content do not addressed below all can adopt or use for reference prior art.
Technological scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technological scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
As shown in Figure 1, a kind of seal valve seat Changable type Multipurpose stop valve, comprise and be positioned at middle hollow valve body 1, hollow valve body 1 adopts cylindric structure, hollow valve body about 1 two ends are provided with valve gap 2, valve gap 2 is connected with valve body 1 is removable, and the detachable of the present embodiment connects the linkage structure adopting flange plate, forms the valve shell of seal valve seat Changable type Multipurpose stop valve after connecting.
Hollow valve body 1 is provided with the import 11 and outlet 12 of circulating for medium; Generally, hollow valve body 1 is vertically arranged, and outlet is higher than import.
Spool is provided with in shell, described spool includes at least one sealing unit, described sealing unit comprises the valve rod 4 stretched into from valve gap 2, generally, valve rod is threaded stem, rotate realization by screw-thread fit to move up and down, the end of valve rod 4 is provided with valve head 5, the replaceable seal valve seat 3 that be provided with hollow corresponding to valve head 5, replaceable seal valve seat 3 is positioned at valve body 1 inner chamber, the outer wall of replaceable seal valve seat coordinates with hollow valve body inner wall sealing, and the end face of replaceable seal valve seat coordinates with the end face seal of valve head.
The hollow valve body 1 of the present embodiment adopts the form of shoulder hole (counterbore) or straight hole, replaceable seal valve seat to be the form that ladder overlaps, and the ladder cover of replaceable seal valve seat just in time coordinates with shoulder hole or straight hole.
One end of described seal valve seat is provided with retaining ring 6, and retaining ring 6 is positioned at the inner chamber of hollow valve body 1, and offers the through hole corresponding with valve body import on the perisporium of retaining ring, and through hole communicates with valve body import, and retaining ring is provided with locating stud.
Preferably, above-mentioned valve head, replaceable seal valve seat, retaining ring adopt round structure, and its central axes.
In one, the outside of valve body detect aperture 7, detect aperture 7 extends internally always and rushes across valve body and seal valve seat finally communicates with the inner chamber of seal valve seat, and the outer wall of detect aperture is provided with switch.
Embodiment 1
The sealing unit of the present embodiment is provided with two, shown in Fig. 1, upper bottom flange is respectively provided with a valve rod, one end that each valve rod extend in hollow valve body is provided with valve head, the cycle surface of valve head is sealing surface, and is sealed and matched with the upper and lower end face of replaceable seal valve seat.
The two valve rod central axes of the present embodiment 1; Retaining ring is provided with the locating stud of positioning hole and cooperation, and locating stud is through being fixed on lower end cap.
When two valve heads outwards move, seal valve seat two ends respectively with corresponding valve head seal failure, valve opening; When two valve heads inwardly move, seal valve seat two ends and valve head are sealed and matched, valve closing.Also can often open for subsequent use by a valve head, another valve head works.Replaceable seal valve seat and valve body are provided with the detect aperture communicated, and when two valve heads are closed, by detect aperture, carry out bulge test or inject sealing material carrying out sealing or discharging leak fluid.Valve interior wall or replaceable seal valve seat outer wall are provided with annular groove and communicate with detect aperture.
After long-time use, need replacing be sealed and matched part time, upper bottom flange is pulled down, change seal valve seat.
Embodiment 2
Sealing unit in the present embodiment is provided with one, shown in Fig. 2, and the valve gap being positioned at below is provided with valve rod, the valve gap being positioned at top is blind cover, one end that valve rod extend in hollow valve body is provided with valve head, and the cycle surface of valve head is sealing surface, and is sealed and matched with the upper-end surface of replaceable seal valve seat.
In the present embodiment, retaining ring is provided with the locating stud of positioning hole and cooperation, and locating stud is fixed on hollow valve body through after seal valve seat.
When valve head moves downward, replaceable seal valve seat and valve head seal failure, valve opening; When valve head moves upward, replaceable seal valve seat and valve head are sealed and matched, valve shut.
Embodiment 3
Shown in Fig. 3, the valve gap of below is provided with the valve rod stretching out valve gap, and valve rod is provided with lower valve head; On the valve gap being positioned at valve outlet end, vertical slip is provided with top guide bar 8, and the lower end of top guide bar 8 is provided with non-return valve head.
Instantly when valve head moves downward, seal valve seat lower end and corresponding lower valve head seal failure, medium is entered by import and backs down upper valve head, valve opening; Instantly valve head moves upward or after medium loses pressure, upper valve head starts fall and be sealed and matched with the upper-end surface of seal valve seat under gravity, plays the effect of non-return.
Understand or realize the application.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a seal valve seat Changable type Multipurpose stop valve, is characterized in that: comprise and be positioned at middle hollow valve body, the two ends up and down of hollow valve body are valve gap, and the valve gap at two ends is connected with valve body is removable, forms stop valve shell after connecting;
Hollow valve body both sides are respectively provided with an inlet/outlet for medium circulation;
Also comprise spool, spool includes at least one sealing unit, sealing unit is positioned at valve body, described sealing unit comprises the valve rod extending into hollow valve body inner chamber from valve gap, the end of valve rod is provided with valve head, the replaceable seal valve seat that be provided with hollow corresponding to valve head, and replaceable seal valve seat is at body cavity and between two through holes, the outer wall of replaceable seal valve seat coordinates with hollow valve body inner wall sealing, and the end face of replaceable seal valve seat coordinates with the end face seal of valve head; Valve rod drives valve head motion, completes disengaging and the sealing of valve head and replaceable seal valve seat;
One end of described replaceable seal valve seat is provided with retaining ring, and retaining ring is positioned at the inner chamber of hollow valve body, and offers the through hole corresponding with valve body import on the perisporium of retaining ring, and through hole communicates with valve body import, and retaining ring is provided with locating stud.
2. seal valve seat Changable type Multipurpose stop valve according to claim 1, is characterized in that:
Described hollow valve body is the form of shoulder hole, and replaceable seal valve seat is ladder hub form, and replaceable seal valve seat coordinates with the shoulder hole of hollow valve body and is nested in hollow valve body.
3. seal valve seat Changable type Multipurpose stop valve according to claim 1, it is characterized in that: one of them valve gap is provided with a valve rod, another valve gap is blind cover.
4. seal valve seat Changable type Multipurpose stop valve according to claim 1 and 2, is characterized in that: described sealing unit is provided with two: the two ends up and down of valve body are respectively provided with a valve gap, valve gap coordinates and is provided with valve rod, valve head; Two valve heads coordinate with replaceable seal ring two ends respectively.
5. seal valve seat Changable type Multipurpose stop valve according to claim 1, is characterized in that: described valve body is vertically arranged, and the import of valve body is lower than outlet, and the valve gap being positioned at valve body entrance point is provided with the valve rod stretching out valve gap, and valve rod is provided with valve head; On the valve gap being positioned at valve outlet end, vertical slip is provided with top guide bar, and the lower end of top guide bar is provided with non-return valve head.
6. seal valve seat Changable type Multipurpose stop valve according to claim 1, is characterized in that: on the outer wall of valve body, offer the detect aperture communicated with seal valve seat inner chamber.
7. seal valve seat Changable type Multipurpose stop valve according to claim 1 and 2, is characterized in that: valve gap is connected with valve flange.
8. seal valve seat Changable type Multipurpose stop valve according to claim 1 and 2, is characterized in that: valve interior wall or replaceable seal valve seat outer wall are provided with annular groove and communicate with detect aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510872055.6A CN105387220A (en) | 2015-12-03 | 2015-12-03 | Multipurpose stop valve with replaceable sealing valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510872055.6A CN105387220A (en) | 2015-12-03 | 2015-12-03 | Multipurpose stop valve with replaceable sealing valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105387220A true CN105387220A (en) | 2016-03-09 |
Family
ID=55419808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510872055.6A Pending CN105387220A (en) | 2015-12-03 | 2015-12-03 | Multipurpose stop valve with replaceable sealing valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105387220A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939991A (en) * | 2017-11-16 | 2018-04-20 | 天津奇昌阀门制造有限公司 | A kind of New Marine piping flow regulating valve |
| CN110107702A (en) * | 2019-05-31 | 2019-08-09 | 浙江伯特利科技有限公司 | A kind of shut-off valve with service valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4368753A (en) * | 1980-08-16 | 1983-01-18 | Holstein & Kappert Gmbh | Double-seat valve unit leakage control |
| CN102261488A (en) * | 2010-05-07 | 2011-11-30 | Spx公司 | Ball valve seat seal |
| CN202100684U (en) * | 2011-05-31 | 2012-01-04 | 长城汽车股份有限公司 | Breather plug for automobile gear box |
| CN202431925U (en) * | 2011-12-28 | 2012-09-12 | 哈尔滨东安汽车动力股份有限公司 | Air vent valve of automobile transmission |
| CN203703154U (en) * | 2014-02-18 | 2014-07-09 | 潘健 | Double-head closing valve |
| CN205315723U (en) * | 2015-12-03 | 2016-06-15 | 潘健 | Sealed multi -purpose stop valve of removable formula of disk seat |
-
2015
- 2015-12-03 CN CN201510872055.6A patent/CN105387220A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4368753A (en) * | 1980-08-16 | 1983-01-18 | Holstein & Kappert Gmbh | Double-seat valve unit leakage control |
| CN102261488A (en) * | 2010-05-07 | 2011-11-30 | Spx公司 | Ball valve seat seal |
| CN202100684U (en) * | 2011-05-31 | 2012-01-04 | 长城汽车股份有限公司 | Breather plug for automobile gear box |
| CN202431925U (en) * | 2011-12-28 | 2012-09-12 | 哈尔滨东安汽车动力股份有限公司 | Air vent valve of automobile transmission |
| CN203703154U (en) * | 2014-02-18 | 2014-07-09 | 潘健 | Double-head closing valve |
| CN205315723U (en) * | 2015-12-03 | 2016-06-15 | 潘健 | Sealed multi -purpose stop valve of removable formula of disk seat |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939991A (en) * | 2017-11-16 | 2018-04-20 | 天津奇昌阀门制造有限公司 | A kind of New Marine piping flow regulating valve |
| CN110107702A (en) * | 2019-05-31 | 2019-08-09 | 浙江伯特利科技有限公司 | A kind of shut-off valve with service valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160309 |
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| RJ01 | Rejection of invention patent application after publication |