CN207880134U - Pressure-relief valve structure - Google Patents
Pressure-relief valve structure Download PDFInfo
- Publication number
- CN207880134U CN207880134U CN201820208254.6U CN201820208254U CN207880134U CN 207880134 U CN207880134 U CN 207880134U CN 201820208254 U CN201820208254 U CN 201820208254U CN 207880134 U CN207880134 U CN 207880134U
- Authority
- CN
- China
- Prior art keywords
- pressure
- release component
- pressure release
- cap
- releasing
- 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.)
- Expired - Fee Related
Links
Landscapes
- Safety Valves (AREA)
Abstract
The utility model belongs to plumbing technical field more particularly to a kind of pressure-relief valve structure.The utility model, including valve body, exhalant canal and pressure release passage, sealing-plug is equipped in valve body, manual pressure release component is detachably connected with valve body, manual pressure release component is clamped with releasing pressure automatically casing and manual pressure release component can adjust the rising of releasing pressure automatically casing, it under external force can be to the unidirectional open degree adjusting part that move to make releasing pressure automatically casing be detached from sealing-plug, and can move to the direction far from manual pressure release component when external force disappears close to manual pressure release component direction there are one being set between manual pressure release component and releasing pressure automatically casing.The utility model is when carrying out releasing pressure automatically, releasing pressure automatically casing is in relatively independent state with manual pressure release component and extends the service life of product to greatly reduce the frequency of use of manual pressure release component, and the utility model is simple in structure, uses and repairs and is more convenient.
Description
Technical field
The utility model belongs to plumbing technical field more particularly to a kind of pressure-relief valve structure.
Background technology
Relief valve be it is a kind of be installed in the equipment or pipeline of closed system, can automatically be opened according to the operating pressure of system
It closes, the device for protecting system safety.Relief valve is in the state closed, Jie in equipment or pipeline under normal conditions
When specified value is crossed in matter pressure rise, the releasing pressure automatically component in relief valve can be such that relief valve opens, and discharge unit appropriate sets up separately
Medium in standby or pipeline can also be equipped with manual pressure release component, with reply so that pressure is maintained in normal range (NR) in relief valve
The emergency case of releasing pressure automatically component failure reinforces regulation and control of the user to relief valve, in the prior art, releasing pressure automatically component
State with manual pressure release component in linkage during releasing pressure automatically, this just considerably increases the use of manual pressure release component
Frequency be easy to cause the damage of manual pressure release component, can not cope with emergency situations well.
For example, Chinese utility model patent discloses a kind of electric water heater safety valve [application number：201220709105.0],
The utility model includes valve body, and body cavity is equipped with valve body water outlet and the through-hole that leaks；Further include filtering sealing device, including close
Envelope portion, filter house and interconnecting piece, sealing position is in one end of filtering sealing device and is matched with valve body water outlet inner wall, filter house
It is matched with the through-hole corresponding position that leaks of body cavity, interconnecting piece is connect with valve interior wall.
The utility model is simple in structure, and installation is easy with assembly, and also has filtering function, but the utility model is still deposited
In the above problem.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing a kind of pressure-relief valve structure.
In order to achieve the above objectives, the utility model uses following technical proposal：
A kind of pressure-relief valve structure, including valve body, one end of the valve body are connected to one end of exhalant canal, valve
The side wall of door main body is communicated with pressure release passage, and the sealing-plug of sealing exhalant canal end is equipped in the valve body, further includes
The releasing pressure automatically casing and manual pressure release component being pressed on sealing-plug, the manual pressure release component detachably connect with valve body
It connects, and manual pressure release component can be moved forward and backward along the axial line of valve body, manual pressure release component and releasing pressure automatically casing clamp
It connects and manual pressure release component can adjust the rising of releasing pressure automatically casing, one is equipped between manual pressure release component and releasing pressure automatically casing
It is a to close manual pressure release component direction to move that releasing pressure automatically casing is made to be detached from sealing-plug under external force, and work as
The unidirectional open degree adjusting part that external force can move when disappearing to the direction far from manual pressure release component.
In above-mentioned pressure-relief valve structure, unidirectional open degree adjusting part includes that one end is arranged in releasing pressure automatically casing
The other end of pressure control spring, the pressure control spring extends releasing pressure automatically casing and is pressed on manual pressure release component
On.
In above-mentioned pressure-relief valve structure, the manual pressure release component includes the pressure cap being threadedly coupled with valve body and sets
The adjustment cap on pressure cap is set, further includes that one end is fixedly connected on adjustment cap bottom surface, other end perforation pressure cap simultaneously extends into automatic
Adjusting rod in pressure release casing, the one end of the pressure control spring far from sealing-plug are pressed on pressure cap.
In above-mentioned pressure-relief valve structure, the pressure cap upper surface protrudes from pressure cap surface equipped with several and joins end to end
Positioning clamping portion, the positioning clamping portion end has the guiding surface that is obliquely installed, if the adjustment cap lower surface is equipped with
Dry protrudes from the positioning clamping block for adjusting cap surface, and the positioning clamping portion is corresponded with positioning clamping block.
In above-mentioned pressure-relief valve structure, the maximum length and positioning clamping block on the positioning clamping portion protrusion pressure cap surface
Protrusion adjusts the equal length of cap surface.
In above-mentioned pressure-relief valve structure, the unidirectional open degree adjusting part further include be located at releasing pressure automatically casing in and
The driven sheaves being fixedly connected with releasing pressure automatically casing, the driven sheaves are hollow structure, are also had in the driven sheaves
The snap ring that one circle internally protrudes, the one end of adjusting rod far from adjustment cap is located in driven sheaves, and the diameter of the end is less than
The internal diameter of driven sheaves and more than snap ring internal diameter.
Further include being fixedly connected on the clamping joint for adjusting boom end in above-mentioned pressure-relief valve structure, the clamping joint
It is clamped with snap ring, the snap ring is equipped with the guiding insert port in truncated cone.
In above-mentioned pressure-relief valve structure, the width of the clamping joint is gradually become from one end far from adjustment cap to the other end
It is wide.
In above-mentioned pressure-relief valve structure, there is the annular seal platform internally protruded in the valve body, it is described close
Blocking includes the sealed body positioned at exhalant canal end and the sealing shirt rim above annular seal platform, releasing pressure automatically casing
It is pressed on sealed body, rotation pressure cap can be such that pressure cap is pressed in sealing shirt rim.
Further include the increasing skidding piece being located between rotation pressure cap and sealing shirt rim in above-mentioned pressure-relief valve structure.
Compared with prior art, the utility model has the advantage of：
1, for the utility model when carrying out releasing pressure automatically, releasing pressure automatically casing and manual pressure release component are relatively independent
State extends the service life of product to greatly reduce the frequency of use of manual pressure release component.
2, the utility model is simple in structure, and pressure release is accurate, reliable, and uses and repair and is more convenient.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the explosive view of the utility model；
Fig. 3 is the sectional view of the utility model；
In figure：Valve body 1, exhalant canal 2, pressure release passage 3, sealing-plug 4, releasing pressure automatically casing 5, manual pressure release component
6, unidirectional open degree adjusting part 7, pressure control spring 8, annular seal platform 9, increasing skidding piece 10, sealed body 41, sealed skirt
Side 42, pressure cap 61, adjustment cap 62, positioning clamping portion 63, guiding surface 63a, positioning clamping block 64, adjusting rod 65, driven sheaves
72, snap ring 73, clamping joint 74, guiding insert port 75.
Specific implementation mode
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
In conjunction with shown in Fig. 2 and Fig. 3, a kind of pressure-relief valve structure, including valve body 1, one end of the valve body 1 with go out
One end of aquaporin 2 is connected to, and the side wall of valve body 1 is communicated with pressure release passage 3, and sealing water outlet is equipped in the valve body 1
The sealing-plug 4 of 2 end of channel further includes the releasing pressure automatically casing 5 being pressed on sealing-plug 4 and manual pressure release component 6, the hand
Dynamic pressure release component 6 is detachably connected with valve body 1, and manual pressure release component 6 can be transported before and after the axial line along valve body 1
Dynamic, manual pressure release component 6 is clamped with releasing pressure automatically casing 5 and manual pressure release component 6 can adjust the rising of releasing pressure automatically casing 5,
It under external force can be to close to manual 6 direction of pressure release component there are one being set between manual pressure release component 6 and releasing pressure automatically casing 5
It moves that releasing pressure automatically casing 5 is made to be detached from sealing-plug 4, and can be to the side far from manual pressure release component 6 when external force disappears
To the unidirectional open degree adjusting part 7 of movement.
The utility model, in use, usually under state, releasing pressure automatically casing 5 and manual pressure release component 6 apply sealing-plug 4
Add the one end for making sealing-plug 4 seal exhalant canal 2 there are one pressure, when pressure is more than setting value, i.e., pipeline internal medium is to close
The pressure of blocking 4 is more than releasing pressure automatically casing 5 to the pressure of sealing-plug 4, and sealing-plug 4 is open-top at this time, and medium is from exhalant canal 2
Middle inflow valve body 1, then flowed out from pressure release passage 3, releasing pressure automatically is completed, since unidirectional open degree adjusting part 7 can only be real
It is now unidirectional to drive, i.e., releasing pressure automatically casing 5 can be driven to move upwards when manual pressure release component 6 moves upwards, conversely, releasing pressure automatically
Casing 5 can not drive manual pressure release component 6, therefore during entire releasing pressure automatically, 6 remains stationary state of manual pressure release component；
When needing manual pressure release, manual pressure release component 6 is made to move upwards, automatic leakage pressing sleeve is driven using unidirectional open degree adjusting part 7
Pipe 5 rises, and to realize pressure release, therefore the utility model is when carrying out releasing pressure automatically, releasing pressure automatically casing 5 and manual pressure release component
6 extend the service life of product in relatively independent state to greatly reduce the frequency of use of manual pressure release component 6.
This pressure-relief valve structure includes internal interconnected valve body 1, exhalant canal 2 and pressure release passage 3, sealing-plug 4
The connection end that exhalant canal 2 and valve body 1 are sealed under the effect of the pressure of releasing pressure automatically casing 5 and manual pressure release component 6, from
It is connected by unidirectional open degree adjusting part 7 between dynamic pressure release casing 5 and manual pressure release component 6, in use, usually under state,
Releasing pressure automatically casing 5 and manual pressure release component 6 apply there are one pressure sealing-plug 4, and sealing-plug 4 is made to seal exhalant canal 2
One end, when pressure is more than setting value, i.e., pipeline internal medium is more than releasing pressure automatically casing 5 to sealing-plug 4 to the pressure of sealing-plug 4
Pressure, sealing-plug 4 is open-top at this time, and medium flows into valve body 1 from exhalant canal 2, then is flowed out from pressure release passage 3, complete
At releasing pressure automatically, since unidirectional open degree adjusting part 7 can only realize unidirectional drive, i.e., when manual pressure release component 6 moves upwards
Releasing pressure automatically casing 5 can be driven to move upwards, conversely, releasing pressure automatically casing 5 can not drive manual pressure release component 6, therefore entire
During releasing pressure automatically, 6 remains stationary state of manual pressure release component；When needing manual pressure release, manual pressure release component 6 is made to transport upwards
It is dynamic, drive releasing pressure automatically casing 5 to rise using unidirectional open degree adjusting part 7, to realize pressure release, thus the utility model into
When row releasing pressure automatically, releasing pressure automatically casing 5 is in relatively independent state with manual pressure release component 6, to greatly reduce hand
The frequency of use of dynamic pressure release component 6, extends the service life of product.
As shown in Fig. 2, the control of the pressure in releasing pressure automatically casing 5 is arranged including one end in unidirectional open degree adjusting part 7
The other end of spring 8, the pressure control spring 8 extends releasing pressure automatically casing 5 and is pressed on manual pressure release component 6, pressure
Power control spring 8 is used to control maximum pressure when pressure release, and after the completion of pressure release, pressure control spring 8 can also make releasing pressure automatically
Casing 5 automatically resets.
In conjunction with shown in Fig. 1-3, the manual pressure release component 6 includes the pressure cap 61 being threadedly coupled with valve body 1 and setting
Adjustment cap 62 on pressure cap 61 further includes that one end is fixedly connected on 62 bottom surface of adjustment cap, and other end perforation pressure cap 61 simultaneously extends
Entering the adjusting rod 65 in releasing pressure automatically casing 5, the one end of the pressure control spring 8 far from sealing-plug 4 is pressed on pressure cap 61,
61 upper surface of the pressure cap protrudes from 61 surface of pressure cap and end to end positioning clamping portion 63, the positioning card equipped with several
63 end of socket part has the guiding surface 63a being obliquely installed, and 62 lower surface of the adjustment cap protrudes from adjustment cap equipped with several
The positioning clamping block 64 on 62 surfaces, the positioning clamping portion 63 are corresponded with positioning clamping block 64, the positioning clamping portion 63
The maximum length for protruding 61 surface of pressure cap protrudes the equal length on 62 surface of adjustment cap with positioning clamping block 64.
Manual pressure release component 6 includes the pressure cap 61 being threadedly coupled with valve body 1 and the adjustment cap being arranged on pressure cap 61
62,61 upper surface of pressure cap protrudes from 61 surface of pressure cap and end to end positioning clamping portion 63 equipped with several, positions clamping portion
There is the guiding surface 63a being obliquely installed, 62 lower surface of adjustment cap to be additionally provided with one-to-one with positioning clamping portion 63 for 63 ends
Clamping block 64 is positioned, this facilitate that the installation positioning of adjustment cap 62, wherein protrude the maximum on 61 surface of pressure cap in positioning clamping portion 63
Length protrudes the equal length on 62 surface of adjustment cap with positioning clamping block 64, further includes that one end is fixedly connected on 62 bottom of adjustment cap
Face, other end perforation pressure cap 61 simultaneously extend into the adjusting rod 65 in releasing pressure automatically casing 5, and the pressure control spring 8 is far from close
One end of blocking 4 is pressed on pressure cap 61, in use, when need adjusted manually when, using adjusting rod 65 move upwards with
So that releasing pressure automatically casing 5 is ramped up, opens exhalant canal 2 to realize pressure release.
In conjunction with shown in Fig. 2 and Fig. 3, the unidirectional open degree adjusting part 7 further include be located at releasing pressure automatically casing 5 in and with
The driven sheaves 72 that releasing pressure automatically casing 5 is fixedly connected, the driven sheaves 72 are hollow structure, are gone back in the driven sheaves 72
With the snap ring 73 that a circle internally protrudes, the one end of adjusting rod 65 far from adjustment cap 62 is located in driven sheaves 72, and the end
The diameter in portion is more than the internal diameter of snap ring 73 less than the internal diameter of driven sheaves 72, further includes being fixedly connected on 65 end of adjusting rod
Clamping joint 74, the clamping joint 74 are clamped with snap ring 73, and the snap ring 73 is equipped with the guiding insert port 75 in truncated cone.
Unidirectional open degree adjusting part 7 includes being located in releasing pressure automatically casing 5 and being fixedly connected with releasing pressure automatically casing 5
Driven sheaves 72, the driven sheaves 72 are hollow structure, the card also internally protruded with a circle in the driven sheaves 72
Ring 73, the one end of adjusting rod 65 far from adjustment cap 62 are located in driven sheaves 72, which is equipped with clamping joint 74, clamping joint 74
Diameter is more than the internal diameter of snap ring 73 less than the internal diameter of driven sheaves 72, since the diameter of clamping joint 74 is less than driven sheaves 72
Internal diameter, therefore releasing pressure automatically casing 5 drives driven sheaves 72 when moving upwards, adjusting rod 65 can remains stationary it is motionless, due to clamping
First 74 diameter is more than the internal diameter of snap ring 73, therefore when manual pressure release component 6 moves upwards, adjusting rod 65 can pass through 74 band of clamping joint
Snap ring 73 is moved to drive releasing pressure automatically casing 5 to move upwards.
Preferably, snap ring 73 is equipped with the guiding insert port 75 in truncated cone, and the width of clamping joint 74 is by far from adjusting
One end of cap 62 gradually broadens to the other end, can play the role of a guiding in this way, convenient for the end of adjusting rod 65 when assembly
Portion is inserted into driven sheaves 72.
In conjunction with shown in Fig. 2 and Fig. 3, there is the annular seal platform 9 internally protruded, the sealing in the valve body 1
Plug 4 includes the sealed body 41 positioned at 2 end of exhalant canal and the sealing shirt rim 42 above annular seal platform 9, automatic leakage
Pressing sleeve pipe 5 is pressed on sealed body 41, and rotation pressure cap 61 can be such that pressure cap 61 is pressed in sealing shirt rim 42, under usual state,
Sealed body 41 is for sealing 2 end of exhalant canal, and when pressure release, sealing shirt rim 42 will be divided into two portions inside valve body 1
Point so that the medium in pressure leak process in pipeline is discharged by pressure release passage 3, without being overflowed from 1 top of valve body.
Preferably, further include the increasing skidding piece 10 being located between rotation pressure cap 61 and sealing shirt rim 42, can reduce turn in this way
The frictional force suffered when rotating of dynamic pressure cap 61.
The operation principle of the utility model is：In use, usually under state, releasing pressure automatically casing 5 and manual pressure release component 6
Sealed body 41 and sealing shirt rim 42 are applied there are one pressure respectively, sealed body 41 seals one end of exhalant canal 2, works as pressure
When power is more than setting value, i.e., pipeline internal medium is more than releasing pressure automatically casing 5 to sealed body 41 to the pressure of sealed body 41
Pressure, sealed body 41 is open-top at this time, and medium flows into valve body 1 from exhalant canal 2, then is flowed out from pressure release passage 3, complete
At releasing pressure automatically, since the diameter of clamping joint 74 is less than the internal diameter of driven sheaves 72, therefore releasing pressure automatically casing 5 drives driven sheaves
72 when moving upwards, adjusting rod 65 can remains stationary it is motionless, since the diameter of clamping joint 74 is more than the internal diameter of snap ring 73, therefore manually
When pressure release component 6 moves upwards, adjusting rod 65 can drive snap ring 73 that releasing pressure automatically casing 5 is driven to transport upwards by clamping joint 74
It is dynamic, therefore during entire releasing pressure automatically, 6 remains stationary state of manual pressure release component；When needing manual pressure release, make manual pressure release
Component 6 moves upwards, and is moved upwards using adjusting rod 65 so that releasing pressure automatically casing 5 ramps up, opening exhalant canal 2 is to realize
Pressure release, therefore the utility model, when carrying out releasing pressure automatically, releasing pressure automatically casing 5 and manual pressure release component 6 are relatively independent
State extends the service life of product to greatly reduce the frequency of use of manual pressure release component 6.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although valve body 1, exhalant canal 2, pressure release passage 3, sealing-plug 4, automatic leakage pressing sleeve is used more herein
Pipe 5, unidirectional open degree adjusting part 7, pressure control spring 8, annular seal platform 9, increases skidding piece 10, is close manual pressure release component 6
It seals main body 41, sealing shirt rim 42, pressure cap 61, adjustment cap 62, positioning clamping portion 63, guiding surface 63a, positioning clamping block 64, adjust
Pole 65 driven sheaves 72, snap ring 73, clamping joint 74, is oriented to the terms such as insert port 75, but is not precluded using other terms
Possibility.The use of these terms is merely for the convenience of describing and explaining the nature of the invention；It is construed as
Any one of the additional limitations is all contrary to the spirit of the present invention.
Claims (10)
1. a kind of pressure-relief valve structure, including valve body (1), one end of one end and exhalant canal (2) of the valve body (1)
Connection, the side wall of valve body (1) are communicated with pressure release passage (3), it is characterised in that：Sealing is equipped in the valve body (1)
The sealing-plug (4) of exhalant canal (2) end further includes the releasing pressure automatically casing (5) being pressed on sealing-plug (4) and manual pressure release
Component (6), the manual pressure release component (6) is detachably connected with valve body (1), and manual pressure release component (6) can be along valve
The axial line of door main body (1) moves forward and backward, and manual pressure release component (6) is clamped with releasing pressure automatically casing (5) and manual pressure release component
(6) can adjust releasing pressure automatically casing (5) rising, set between manual pressure release component (6) and releasing pressure automatically casing (5) there are one
It can move to keep releasing pressure automatically casing (5) de- with sealing-plug (4) to close manual pressure release component (6) direction under outer force effect
From, and the unidirectional open degree adjusting part (7) that can be moved to the direction far from manual pressure release component (6) when external force disappears.
2. pressure-relief valve structure as described in claim 1, it is characterised in that：Unidirectional open degree adjusting part (7) includes that one end is set
The pressure control spring (8) in releasing pressure automatically casing (5) is set, the other end of the pressure control spring (8) extends automatically
Pressure release casing (5) is simultaneously pressed on manual pressure release component (6).
3. pressure-relief valve structure as claimed in claim 2, it is characterised in that：The manual pressure release component (6) includes and valve master
The pressure cap (61) and the adjustment cap (62) being arranged on pressure cap (61) that body (1) is threadedly coupled, further include that one end is fixedly connected on tune
Cap (62) bottom surface is saved, other end perforation pressure cap (61) simultaneously extends into the adjusting rod (65) in releasing pressure automatically casing (5), the pressure
The one end of control spring (8) far from sealing-plug (4) is pressed on pressure cap (61).
4. pressure-relief valve structure as claimed in claim 3, it is characterised in that：It is protruded equipped with several pressure cap (61) upper surface
In pressure cap (61) surface and end to end positioning clamping portion (63), described positioning clamping portion (63) end, which has, to be obliquely installed
Guiding surface (63a), adjustment cap (62) lower surface are equipped with several positioning clamping blocks for protruding from adjustment cap (62) surface
(64), the positioning clamping portion (63) corresponds with positioning clamping block (64).
5. pressure-relief valve structure as claimed in claim 4, it is characterised in that：The positioning clamping portion (63) protrudes pressure cap (61) table
The maximum length in face protrudes the equal length on adjustment cap (62) surface with positioning clamping block (64).
6. pressure-relief valve structure as claimed in claim 3, it is characterised in that：The unidirectional open degree adjusting part (7) further includes
The driven sheaves (72) being fixedly connected in releasing pressure automatically casing (5) and with releasing pressure automatically casing (5), the driven sheaves
(72) it is hollow structure, the snap ring (73) also internally protruded with a circle in the driven sheaves (72), adjusting rod (65) is far
One end from adjustment cap (62) is located in driven sheaves (72), and the diameter of the end is big less than the internal diameter of driven sheaves (72)
Internal diameter in snap ring (73).
7. pressure-relief valve structure as claimed in claim 6, it is characterised in that：Further include being fixedly connected on adjusting rod (65) end
Clamping joint (74), the clamping joint (74) are clamped with snap ring (73), and the snap ring (73) is equipped with the guiding in truncated cone
Insert port (75).
8. pressure-relief valve structure as claimed in claim 7, it is characterised in that：The width of the clamping joint (74) is by far from adjustment cap
(62) one end gradually broadens to the other end.
9. pressure-relief valve structure as claimed in claim 3, it is characterised in that：Have in the valve body (1) and internally protrudes
Annular seal platform (9), the sealing-plug (4) include positioned at exhalant canal (2) end sealed body (41) and positioned at ring-type
Sealing shirt rim (42) above sealing station (9), releasing pressure automatically casing (5) are pressed on sealed body (41), rotation pressure cap (61)
Pressure cap (61) can be made to be pressed in sealing shirt rim (42).
10. pressure-relief valve structure as claimed in claim 9, it is characterised in that：Further include being located at rotation pressure cap (61) and sealed skirt
Increasing skidding piece (10) between side (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820208254.6U CN207880134U (en) | 2018-02-06 | 2018-02-06 | Pressure-relief valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820208254.6U CN207880134U (en) | 2018-02-06 | 2018-02-06 | Pressure-relief valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207880134U true CN207880134U (en) | 2018-09-18 |
Family
ID=63511055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820208254.6U Expired - Fee Related CN207880134U (en) | 2018-02-06 | 2018-02-06 | Pressure-relief valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207880134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023201939A1 (en) * | 2022-04-20 | 2023-10-26 | 塔罗斯科技股份有限公司 | Pressure relief structure for beer barrel |
-
2018
- 2018-02-06 CN CN201820208254.6U patent/CN207880134U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023201939A1 (en) * | 2022-04-20 | 2023-10-26 | 塔罗斯科技股份有限公司 | Pressure relief structure for beer barrel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2254997A (en) | Pipe coupling | |
| CN107339544B (en) | Flow-guiding type oil gas on-line production send Pipe leakage stopper | |
| CN207880134U (en) | Pressure-relief valve structure | |
| US20140116539A1 (en) | Relief valve for overload protection | |
| CN108775407A (en) | It is discharged valve arrangement and the humidifier including it | |
| CN211778714U (en) | Double-cylinder buffer | |
| CN205841903U (en) | A kind of automatic telescopic faucet | |
| CN110762266B (en) | Gas circuit delay valve and full-pneumatic excrement collecting device and method | |
| CN219159788U (en) | High-tightness rotary joint | |
| CN208651750U (en) | Butterfly valve with retaining connector | |
| CN111043347A (en) | Multifunctional intercepting device, control system and use method | |
| CN207609833U (en) | A kind of device for lowering persons charge valve | |
| CN111075947A (en) | Simple cut-off device, using method thereof and pipeline provided with device | |
| CN107575601B (en) | Negative pressure source power vacuum valve core, sealing device and interface valve | |
| CN215106621U (en) | Reinforcing bar sleeve cementer | |
| CN212056032U (en) | Loose joint structure of valve and pipe fitting | |
| CN208831765U (en) | It is discharged valve arrangement and the humidifier including it | |
| CN208793729U (en) | Pressure reducing valve with retaining connector | |
| CN206592610U (en) | Manual movable joint safety valve | |
| CN209725543U (en) | A kind of hydraulic fitting | |
| CN106246971A (en) | One or gate shuttle valve | |
| CN203395311U (en) | Heating ventilation/air-conditioning high and low-pressure reducing and stabilizing shutoff device | |
| CN216200616U (en) | Hard-sealing eccentric butterfly valve with bidirectional floating valve seat | |
| CN207620952U (en) | A kind of oil drain cock structure | |
| CN208330279U (en) | A kind of kelly bar plash proof valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180918 Termination date: 20200206 |