CN206708479U - A kind of novel and multifunctional external regulation type constant pressure valve - Google Patents
A kind of novel and multifunctional external regulation type constant pressure valve Download PDFInfo
- Publication number
- CN206708479U CN206708479U CN201720514251.0U CN201720514251U CN206708479U CN 206708479 U CN206708479 U CN 206708479U CN 201720514251 U CN201720514251 U CN 201720514251U CN 206708479 U CN206708479 U CN 206708479U
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- valve
- valve body
- pressure
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Abstract
A kind of novel and multifunctional external regulation type constant pressure valve, including valve body, valve body left and right ends are respectively arranged with the suction nozzle of evagination and the outlet nozzle of indent, formed and communicated by inlet channel and venting channels between suction nozzle and outlet nozzle, it is provided with the valve body and between inlet channel and outlet passageway atmospheric pressure cavity, and body base is provided with discouraged chamber, the discouraged chamber twist-on has gas bleeder valve, air jet system is installed in the atmospheric pressure cavity, gas filling mouth is provided with the valve body, the tonifying Qi branch road communicated with gas filling mouth is provided with valve body；The outlet nozzle twist-on has detachable plug.The utility model can not only keep the pressure balanced function in gas outlet of outlet nozzle, and gas can also be formed to the impact air of high pressure, and the blocking so as to run into living carries out dredging plug；And in gas filling mouth do not interfere with the pressure balance of constant pressure valve air gate during tonifying Qi.
Description
Technical field
A kind of valve is the utility model is related to, more particularly, to a kind of novel and multifunctional external regulation type constant pressure valve.
Background technology
Valve is to make the medium in pipe arrangement and equipment（Gas）Flowing stops and can control the device of its flow.It is Chinese special
Sharp document ZL201420793471.8 discloses one kind without the online external regulation type constant pressure valve of release, including valve body, solid on valve body
Surely there are outlet nozzle and suction nozzle, air admission hole is provided with suction nozzle, venthole is provided with outlet nozzle, be provided with valve inner vertical
The cylindricality valve pocket of setting, air inlet is provided with the root of cylindricality valve pocket, air inlet passes through inlet channel and the air admission hole of suction nozzle
Connect, core bar is installed in cylindrical valve intracavitary, the bottom of core bar is provided with the plug coordinated with air inlet, outside the bottom of core bar
The seal coordinated with cylindrical valve cavity wall is cased with, pressure is formed between the core bar outer wall and valve pocket inwall below the seal
Counter balance pocket, gas outlet being provided with the side wall of pressure balance chamber, gas outlet is connected by outlet passageway with the venthole of outlet nozzle,
Voltage regulation cylinder is set with the top of core bar, voltage regulation cylinder includes the cylinder body to connect with valve body screw thread and the work installed in cylinder interior
Plug, top and the piston of core bar are fixedly connected, and the back-moving spring being sleeved on core bar, the tune are provided between piston and cylinder body
The rodless cavity of cylinder pressure is arranged to the balancing gate pit of dummy piston, the blow vent communicated with balancing gate pit is provided with piston, in pressure
The side outer wall of counter balance pocket internal core rod is provided with balance pressure port, is communicated with balancing the flat of pressure port and blow vent in core bar
Weigh pressure channel, and the balancing gate pit is identical with the pressure of pressure balance intracavitary.The constant pressure valve of this external regulation type is simply simple real
The defects of it is constant to have showed valve gas outlet pressure, but has existed when the technical scheme uses in life：
Firstth, it can only keep the pressure balance of gas outlet, when something blocks in life, think using the technical scheme
Being formed with the technical scheme when gas high pressure impulsive force carries out and dredges plug can not just accomplish.
Secondth, the tonifying Qi branch road that the technical scheme gas filling mouth communicates communicates with the inlet channel of suction nozzle, the meeting in tonifying Qi
The air pressure balance in valve body is influenceed, so as to which the pressure balance of gas outlet can be influenceed.
The content of the invention
The utility model solves the pressure balanced function in gas outlet that can not only keep outlet nozzle, if in life certain
When thing blocks, the utility model can also form gas the impact air of high pressure, so as to carry out dredging plug；And
It is not connected with the inlet channel of gas filling mouth identical tonifying Qi branch road and suction nozzle, do not interfere with perseverance when gas filling mouth carries out tonifying Qi
The pressure balance of pressure valve gas outlet.
The technical scheme in the invention for solving the above technical problem is：
The utility model discloses a kind of novel and multifunctional external regulation type constant pressure valve, including valve body, valve body left and right ends are set respectively
The suction nozzle of evagination and the outlet nozzle of indent are equipped with, phase is formed by inlet channel and venting channels between suction nozzle and outlet nozzle
Logical, valve body rear and front end is installed on the first pressure table and voltage regulation cylinder communicated with inlet channel respectively, in the valve body and air inlet
Atmospheric pressure cavity is provided between passage and outlet passageway, and body base is provided with discouraged chamber, and connection air pressure is provided with valve body
The bleed passage of chamber and discouraged chamber；The discouraged chamber twist-on has gas bleeder valve, and the atmospheric pressure cavity includes the valve pocket and spring cavity communicated,
Valve pocket penetrates to valve body upper surface and is provided with internal thread；Air jet system is installed, air jet system includes in the atmospheric pressure cavity：With
The piston gasket of valve pocket matching sealing, and pressure stabilizing cavity is formd, one end is against under interior spring cavity, the other end and piston gasket
The spring that end face abuts, sealing is abutted with piston gasket upper surface and the jet joint of twist-on is matched with valve pocket internal thread；Institute
State and form pressure chamber between the jet joint of piston gasket and twist-on in valve pocket；The company of offering on the piston gasket
The passage of logical pressure stabilizing cavity and pressure chamber；Gas filling mouth is provided with the valve body, is provided with valve body and suction nozzle and gas filling mouth
The tonifying Qi branch road communicated；The outlet nozzle twist-on has detachable plug.
The valve body upper end is provided with the second pressure gauge communicated with inlet channel, is set between the jet joint and valve pocket
It is equipped with piston gasket.
The valve opening communicated with outlet passageway is offered on the valve body, twist-on is provided with jump threshold switch on valve opening；It is described
Jump and be provided with piston gasket between threshold switch and valve opening.
The beneficial effects of the utility model are：
Compared with prior art, the utility model is provided with an atmospheric pressure cavity, air pressure between inlet channel and outlet passageway
Intracavitary is installed on air jet system, and air jet system is connected with breather pipe, and in the effect for dredging plug, air jet system is by atmospheric pressure cavity
Gas forms pressure differential, and gas is converted to gases at high pressure and sprayed through breather pipe, so as to blocking out impact, reach the work for dredging plug
With；And open up tonifying Qi branch road and do not communicated with inlet channel, the air inlet of inlet channel is not interfered with tonifying Qi, so that will not shadow
Ring the pressure balance of gas outlet at outlet nozzle.
Brief description of the drawings
Fig. 1 is the main structure diagram of the utility model embodiment 1；
Fig. 2 is the overlooking the structure diagram of the utility model embodiment 1；
Fig. 3 is the overlooking the structure diagram of the utility model embodiment 2.
Embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description：
Embodiment 1
Fig. 1, Fig. 2 are referred to, the utility model provides a kind of novel and multifunctional external regulation type constant pressure valve, including valve body 1, valve body
1 left and right ends are respectively arranged with the suction nozzle 2 of evagination and the outlet nozzle 3 of indent, pass through air inlet between suction nozzle 2 and outlet nozzle 3
Passage 4 and venting channels 5, which are formed, to be communicated, and the rear and front end of valve body 1 is installed on the first pressure table 6 communicated with inlet channel 4 respectively
With voltage regulation cylinder 7, the valve body 1 is interior and atmospheric pressure cavity 8 is provided between inlet channel 4 and outlet passageway 5, and the bottom of valve body 1 is set
Discouraged chamber 9 is equipped with, the bleed passage 10 of connection atmospheric pressure cavity 8 and discouraged chamber 9 is provided with valve body 1；The twist-on of discouraged chamber 9 is let out
Air valve 11, the atmospheric pressure cavity 8 include the valve pocket 12 and spring cavity 13 communicated, and valve pocket 12 is penetrated to the upper surface of valve body 1 and is provided with
Internal thread；Air jet system 14 is installed, air jet system 14 includes in the atmospheric pressure cavity 8：The piston that sealing is matched with valve pocket 12 is close
Packing 15, and pressure stabilizing cavity 16 is formd, the bullet that one end is against in spring cavity 13, the other end abuts with the lower surface of piston gasket 15
Spring 17, sealing is abutted with the upper surface of piston gasket 15 and the jet joint 18 of twist-on is matched with the internal thread of valve pocket 12；The work
Plug sealing gasket 15 and twist-on form pressure chamber 19 between the jet joint 18 in valve pocket 12；Opened on the piston gasket 15
It is communicated with the passage 20 of pressure stabilizing cavity 16 and pressure chamber 19；Gas filling mouth 21, valve body 1 and suction nozzle 2 are provided with the valve body 1
On be provided with the tonifying Qi branch road 22 communicated with gas filling mouth 21；The twist-on of outlet nozzle 3 has detachable plug 23.
The upper end of valve body 1 is provided with the second pressure gauge 24 communicated with inlet channel, the jet joint 18 and valve pocket
Piston gasket is provided between 12.
The operation principle of the utility model embodiment 1 is made an explanation below：
Carry out dredge plug in use, by the detachable twist-on of plug 23 on outlet nozzle 3, close outlet passageway 5, according to
The needs used install the breather pipe of different length on jet joint 18, then can crawl gas bleeder valve 11, in pressure stabilizing cavity 16
Gas through bleed passage 10 and discouraged chamber 9, most after released through gas bleeder valve 11 and the air pressure in pressure stabilizing cavity 16 reduces, now pressure chamber
19 air pressure is higher than pressure stabilizing cavity 16, and piston gasket 15 extrudes movement, piston seal by the pressure in pressure chamber 19 to spring 17
Sealing between pad 15 and jet joint 18 disappears and forms gap, and gas is through passage 20 while piston gasket 15 moves
Flowed into the pressure chamber 19 of high pressure, gas is from gap location by jet joint 18, and last gas is through being connected to jet joint
Breather pipe on 18 sprays to carry out dredging plug at blocking；Plug 23 of the twist-on on outlet nozzle 3 is changed when being not used in thin plug effect
Fall；Second pressure gauge 24 is observed, can know whether to need tonifying Qi, it is necessary to during tonifying Qi, tonifying Qi can be carried out by gas filling mouth 21,
And the tonifying Qi branch road 22 of connection gas filling mouth 21 does not communicate with inlet channel 4, does not influence the gas of inlet channel 4 while tonifying Qi
Body is by the way that use is more stable.
Embodiment 2
Referring to Fig. 3, the utility model provides a kind of novel and multifunctional external regulation type constant pressure valve, offered on the valve body 1
The valve opening 25 communicated with outlet passageway 5, twist-on, which is provided with, on valve opening 25 jumps threshold switch 26；The jump threshold switch 26 and valve opening 25
Between be provided with piston gasket.
The operation principle of the utility model embodiment 2 is made an explanation below：
Carrying out dredging the blocking outlet passageway 5 in use, pressing and jumping threshold switch 26 of plug, so that outlet passageway 5 is closed,
After thin plug use terminates, press jump threshold switch 26 again.
A kind of novel and multifunctional external regulation type constant pressure valve provided above the utility model embodiment has carried out detailed Jie
Continue, specific case used herein is set forth to principle of the present utility model and embodiment, and above example is said
It is bright to be only intended to help to understand the technical scheme disclosed in the utility model；Meanwhile for those of ordinary skill in the art, according to
According to thought of the present utility model, there will be changes in specific embodiments and applications, in summary, this specification
Content should not be construed as limitation of the present utility model.
Claims (3)
1. a kind of novel and multifunctional external regulation type constant pressure valve, including valve body, valve body left and right ends are respectively arranged with the suction nozzle of evagination
With the outlet nozzle of indent, formed and communicated by inlet channel and venting channels between suction nozzle and outlet nozzle, valve body rear and front end
The first pressure table and voltage regulation cylinder communicated with inlet channel is installed on respectively, it is characterised in that：In the valve body and inlet channel
Atmospheric pressure cavity is provided between outlet passageway, and body base is provided with discouraged chamber, be provided with valve body connection atmospheric pressure cavity and
The bleed passage of discouraged chamber；The discouraged chamber twist-on has gas bleeder valve, and the atmospheric pressure cavity includes the valve pocket and spring cavity communicated, valve pocket
Insertion is to valve body upper surface and is provided with internal thread；Air jet system is installed, air jet system includes in the atmospheric pressure cavity：With valve pocket
The piston gasket of sealing is matched, and forms pressure stabilizing cavity, one end is against interior spring cavity, the other end and piston gasket lower surface
The spring of abutting, sealing is abutted with piston gasket upper surface and the jet joint of twist-on is matched with valve pocket internal thread；The work
Plug sealing gasket and twist-on form pressure chamber between the jet joint in valve pocket；It is steady that connection is offered on the piston gasket
Press the passage of chamber and pressure chamber；Gas filling mouth is provided with the valve body, is provided with valve body and suction nozzle and is communicated with gas filling mouth
Tonifying Qi branch road；The outlet nozzle twist-on has detachable plug.
A kind of 2. novel and multifunctional external regulation type constant pressure valve according to claim 1, it is characterised in that：The valve body upper end is set
The second pressure gauge communicated with inlet channel is equipped with, piston gasket is provided between the jet joint and valve pocket.
A kind of 3. novel and multifunctional external regulation type constant pressure valve according to claim 1, it is characterised in that：Opened up on the valve body
There is a valve opening communicated with outlet passageway, twist-on is provided with jump threshold switch on valve opening；It is provided between the jump threshold switch and valve opening
Piston gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720514251.0U CN206708479U (en) | 2017-05-10 | 2017-05-10 | A kind of novel and multifunctional external regulation type constant pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720514251.0U CN206708479U (en) | 2017-05-10 | 2017-05-10 | A kind of novel and multifunctional external regulation type constant pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206708479U true CN206708479U (en) | 2017-12-05 |
Family
ID=60465781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720514251.0U Expired - Fee Related CN206708479U (en) | 2017-05-10 | 2017-05-10 | A kind of novel and multifunctional external regulation type constant pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206708479U (en) |
-
2017
- 2017-05-10 CN CN201720514251.0U patent/CN206708479U/en not_active Expired - Fee Related
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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: 20171205 Termination date: 20190510 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |