CN206246741U - A kind of duplex valve body - Google Patents
A kind of duplex valve body Download PDFInfo
- Publication number
- CN206246741U CN206246741U CN201621354321.2U CN201621354321U CN206246741U CN 206246741 U CN206246741 U CN 206246741U CN 201621354321 U CN201621354321 U CN 201621354321U CN 206246741 U CN206246741 U CN 206246741U
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- Prior art keywords
- valve
- linkage
- shaped
- under
- rod
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Abstract
The utility model is related to safety-valve engineering device technique field, specially a kind of duplex valve body, including safety valve, upper linkage valve, linkage valve under U-shaped, valve switch wrench and valve rod, the safety valve is made up of linkage valve under upper linkage valve and U-shaped, under the upper linkage valve and U-shaped valve pocket is provided with linkage valve, the upper linkage valve is provided with two, and two upper linkage valve structures are identical respectively by valve seal adpting flange installed in the two ends of linkage valve under U-shaped, the discharge coupling being connected with valve pocket is provided with the upper linkage valve, the bottom of linkage valve is provided with the inlet interface being connected with valve pocket under the U-shaped.The utility model processing rational in infrastructure is easy to use, is easy to medium branch to convey and reclaim, it is possible to achieve to be adjusted in synchronism and separately adjustable, and simple to operate, overall tightness is strong, and the use value for improving different parts is increased economic efficiency.
Description
Technical field
The utility model is related to safety-valve engineering device technique field, specially a kind of duplex valve body.
Background technology
Safety valve (Safety Valve, also known as relief valve Relief Valve) is a kind of safeguard protection valve, and it is opened
Closing member is lower in normally off by external force effect, when the pressure medium in equipment or pipeline is raised, is opened automatically during more than setting
Open, specified value is exceeded by preventing pressure medium in pipeline or equipment to discharge medium outside system.Safety valve belongs to automatic
Valve class, is mainly used on boiler, pressure vessels and pipes, and control pressure is no more than setting, and personal safety and equipment are run
Play important protective effect.Duplex safety valve be applied to operating temperature≤350 DEG C the equipment of medium such as steam, air and
On pipeline.When equipment and pipeline inner pressure exceed permissible value, valve is automatically turned on, then full dose discharge, when pressure is reduced to
During setting, valve is automatically switched off, it is ensured that the safe operation of equipment and pipeline.Existing duplex valve body has Liang Gezhi roads tune
Just, single path loss is bad to cause whole dual valve to be required for changing to section, the shortcomings of valve regulated can not be fixed.
Utility model content
To achieve the above object, the purpose of this utility model is to provide a kind of duplex valve body, to solve above-mentioned background skill
The problem proposed in art.
To achieve the above object, the utility model provides following technical scheme:A kind of duplex valve body, including safety valve, on
Linkage valve, valve switch wrench and valve rod under linkage valve, U-shaped, the safety valve is by interstage valve under upper linkage valve and U-shaped
Body is constituted, and is provided with valve pocket under the upper linkage valve and U-shaped in linkage valve, and the upper linkage valve is provided with two,
And two upper linkage valve structures are identical respectively by valve seal adpting flange installed in the two ends of linkage valve under U-shaped, institute
The discharge coupling for being provided with linkage valve and being connected with valve pocket is stated, the bottom of linkage valve is provided with and valve pocket under the U-shaped
Connected inlet interface, is provided with valve rod in the valve pocket of the upper linkage valve, and the bottom of valve rod is provided with sealing flap, institute
The upper end for stating linkage valve is provided with linkage support is provided with valve rod linkage, and valve rod linkage, the valve rod
It is arranged in linkage support by sealing linkage nut, and compression spring, the linkage is provided with above sealing linkage nut
Support is fixed on the upper end of upper linkage valve by rotating screw rod, and the other end of linkage support is provided with spanner linkage,
The top of the valve switch wrench is hinged by swinging mounting with spanner linkage, and swinging mounting is by way of welding
It is fixed on linkage valve, displacement of valve rod display device is provided with the upper linkage valve.
Preferably, it is provided with path signal lamp at the top of the valve rod linkage.
Preferably, spanner fixed mount, the upper end of the valve switch wrench are provided with below the spanner linkage
Screwed hole is provided with, the valve switch wrench is by fixing nut through back-up wrench fixed mount and valve switch wrench upper end
Screwed hole threaded connection fixed valve switch knob.
Preferably, it is provided with pressure gauge groove on the two ends U-tube road of linkage valve under the U-shaped.
Preferably, it is provided with the outside of discharge coupling and sealing ring is provided with flange, and flange.
Preferably, filler pressing sleeve, and upper linkage valve and valve rod linkage are provided with above the die cavity of linkage valve
Junction bottom is provided with sealed pressing sleeve.
Preferably, the valve rod is through the inside of upper linkage valve, and sets limited location between upper linkage valve and valve rod
Post and stop collar.
Compared with prior art, the beneficial effects of the utility model are:The utility model is rational in infrastructure easy to use, is easy to
Branch is used after gas main's outlet, and two upper linkage valves are arranged under U-shaped by valve seal adpting flange link respectively
Linkage valve on corresponding is being changed in the two ends of valve body using in excessively when poorly sealed after upper linkage valve is damaged, and works as valve
Dredging more facilitates when body is blocked, and improves the use value of miscellaneous part, can be with by valve switch wrench and spanner fixed mount
Ensure the stabilization of valve switch size, can show valve rod relative displacement by displacement of valve rod display device to judge and regulating valve
The switch size of door, two upper linkage valves are separately adjustable to facilitate the switching of pipeline.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model valve rod linkage.
In figure:1st, safety valve;2nd, compression spring;3rd, valve rod linkage;4th, upper linkage valve;5th, displacement of valve rod display dress
Put;6th, filler pressing sleeve;7th, discharge coupling;8th, valve seal adpting flange;9th, pressure gauge groove;10th, linkage valve under U-shaped;11st, lead to
Road signal lamp;12nd, sealing linkage nut;13rd, sealed pressing sleeve;14th, flange;15th, sealing ring;16th, linkage support;17th, pull
Hand linkage;18th, swinging mounting;19th, spanner fixed mount;20th, valve switch wrench;21st, valve rod;22nd, inlet interface;23、
Sealing flap.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1 and Fig. 2 is referred to, the utility model provides a kind of technical scheme:A kind of duplex valve body, including safety valve 1, on
Linkage valve 10, valve switch wrench 20 and valve rod 21 under linkage valve 4, U-shaped, safety valve 1 is by under upper linkage valve 4 and U-shaped
Linkage valve 10 is constituted, and valve pocket is provided with linkage valve 10 under upper linkage valve 4 and U-shaped, and upper linkage valve 4 is provided with two
It is individual, and two upper structures of linkage valve 4 are identical respectively by valve seal adpting flange 8 installed in linkage valve 10 under U-shaped
Two ends, the switching of pipeline is easy to by independent upper linkage valve, the outlet being connected with valve pocket is provided with upper linkage valve 4 and is connect
Mouth 7, the bottom of linkage valve 10 is provided with the inlet interface 22 being connected with valve pocket under U-shaped, is set in the valve pocket of upper linkage valve 4
There is valve rod 21, and the bottom of valve rod 21 is provided with sealing flap 23, is easy in pipeline with the sealing of valve pocket by sealing flap 23
The regulation of flow, the upper end of upper linkage valve 4 is provided with valve rod linkage 3, and valve rod linkage 3 and is provided with linkage branch
Frame 16, valve rod 21 is arranged in linkage support 16 by sealing linkage nut 12, and the top of sealing linkage nut 12 is provided with
Compression spring 2, linkage support 16 is fixed on the upper end of upper linkage valve 4 by rotating screw rod, and linkage support 16 the other end
Spanner linkage 17 is provided with, the top of valve switch wrench 20 is hinged by swinging mounting 18 with spanner linkage 17,
And swinging mounting 18 is fixed on upper linkage valve 4 by way of welding, being provided with displacement of valve rod on upper linkage valve 4 shows
Device 5.
The top of valve rod linkage 3 is provided with path signal lamp 11, points out user the branch by path signal lamp 11
The break-make situation on road is easy to the lower section of tours of inspection, spanner linkage 17 to be provided with spanner fixed mount 19, valve switch wrench
20 upper end is provided with screwed hole, and valve switch wrench 20 passes through back-up wrench fixed mount 19 and valve switch by fixing nut
The screwed hole threaded connection fixed valve switch knob 20 of the upper end of spanner 20, under U-shaped on the two ends U-tube road of linkage valve 10
Pressure gauge groove 9 is provided with, the outside of discharge coupling 7 is provided with and sealing ring 15 is provided with flange 14, and flange 14,
Filler pressing sleeve 6, and upper linkage valve 4 and the junction bottom of valve rod linkage 3 are provided with above the die cavity of upper linkage valve 4
Sealed pressing sleeve 13 is provided with, valve rod 21 is provided with through the inside of upper linkage valve 4 between upper linkage valve 4 and valve rod 21
Limited post and stop collar.
The operation principle of the present embodiment:During using the duplex valve body, it is connected by by the total road of inlet interface 22 and pipeline, two
Inlet interface 22 on individual upper linkage valve 4 is connected with pipeline branch road respectively, by total road convey medium can separate conveying or
Reclaim, in medium conveying or removal process, by valve switch wrench 20 with wrench linkage 17 and linkage support 16
The height of regulating valve stem 20 carrys out the size of control valve, and the spanner on two upper linkage valves 4 can be adjusted simultaneously can also be only
Vertical regulation, and by displacement of valve rod display device 5 it can be seen that the relative displacement of valve rod 20 judges valve opening size.
Although being described in detail to the utility model with reference to the foregoing embodiments, come for those skilled in the art
Say, it can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. all should
It is included within protection domain of the present utility model.
Claims (7)
1. linkage valve (10), valve switch wrench under a kind of duplex valve body, including safety valve (1), upper linkage valve (4), U-shaped
(20) and valve rod (21), the safety valve (1) is made up of linkage valve (10) under upper linkage valve (4) and U-shaped, the upper linkage
Under valve body (4) and U-shaped valve pocket is provided with linkage valve (10), it is characterised in that:The upper linkage valve (4) is provided with two
It is individual, and two upper linkage valve (4) structures are identical respectively by valve seal adpting flange (8) linkage valve under U-shaped
(10) two ends, the discharge coupling (7) being connected with valve pocket, linkage valve under the U-shaped are provided with the upper linkage valve (4)
(10) bottom is provided with the inlet interface (22) being connected with valve pocket, and valve rod is provided with the valve pocket of the upper linkage valve (4)
(21), and the bottom of valve rod (21) is provided with sealing flap (23), the upper end of the upper linkage valve (4) is provided with valve rod linkage
Linkage support (16) is provided with device (3), and valve rod linkage (3), the valve rod (21) is by sealing linkage nut
(12) compression spring (2), the linkage branch are provided with linkage support (16), and above sealing linkage nut (12)
Frame (16) is fixed on the upper end of upper linkage valve (4) by rotating screw rod, and the other end of linkage support (16) is provided with spanner
Cut with scissors with spanner linkage (17) by swinging mounting (18) on linkage (17), the top of the valve switch wrench (20)
Connect, and swinging mounting (18) is fixed on upper linkage valve (4) by way of welding, is set on the upper linkage valve (4)
There is displacement of valve rod display device (5).
2. a kind of duplex valve body according to claim 1, it is characterised in that:Set at the top of the valve rod linkage (3)
It is equipped with path signal lamp (11).
3. a kind of duplex valve body according to claim 1, it is characterised in that:Set below the spanner linkage (17)
Spanner fixed mount (19) is equipped with, the upper end of the valve switch wrench (20) is provided with screwed hole, the valve switch wrench
(20) it is threadedly coupled with the screwed hole of valve switch wrench (20) upper end through back-up wrench fixed mount (19) by fixing nut
Fixed valve switch knob (20).
4. a kind of duplex valve body according to claim 1, it is characterised in that:The two ends U of linkage valve (10) under the U-shaped
Pressure gauge groove (9) is provided with type pipeline.
5. a kind of duplex valve body according to claim 1, it is characterised in that:It is provided with the outside of the discharge coupling (7)
Sealing ring (15) is provided with flange (14), and flange (14).
6. a kind of duplex valve body according to claim 1, it is characterised in that:The die cavity of the upper linkage valve (4) it is upper
Side is provided with filler pressing sleeve (6), and upper linkage valve (4) is provided with sealed pressing sleeve with valve rod linkage (3) junction bottom
(13)。
7. a kind of duplex valve body according to claim 1, it is characterised in that:The valve rod (21) is through upper linkage valve
(4) limited post and stop collar are provided between inside, and upper linkage valve (4) and valve rod (21).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621354321.2U CN206246741U (en) | 2016-12-05 | 2016-12-05 | A kind of duplex valve body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621354321.2U CN206246741U (en) | 2016-12-05 | 2016-12-05 | A kind of duplex valve body |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206246741U true CN206246741U (en) | 2017-06-13 |
Family
ID=59006403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621354321.2U Expired - Fee Related CN206246741U (en) | 2016-12-05 | 2016-12-05 | A kind of duplex valve body |
Country Status (1)
Country | Link |
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CN (1) | CN206246741U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108150693A (en) * | 2017-11-30 | 2018-06-12 | 北京天恒长鹰科技股份有限公司 | For the double remaining valvings of leading screw rotating nuts of near space dirigible |
CN110397766A (en) * | 2019-07-11 | 2019-11-01 | 伊秀华 | A kind of flow rate adjusting method |
-
2016
- 2016-12-05 CN CN201621354321.2U patent/CN206246741U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108150693A (en) * | 2017-11-30 | 2018-06-12 | 北京天恒长鹰科技股份有限公司 | For the double remaining valvings of leading screw rotating nuts of near space dirigible |
CN110397766A (en) * | 2019-07-11 | 2019-11-01 | 伊秀华 | A kind of flow rate adjusting method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20191205 |
|
CF01 | Termination of patent right due to non-payment of annual fee |