CN209041683U - A kind of high pressure air relief valve - Google Patents
A kind of high pressure air relief valve Download PDFInfo
- Publication number
- CN209041683U CN209041683U CN201821941925.6U CN201821941925U CN209041683U CN 209041683 U CN209041683 U CN 209041683U CN 201821941925 U CN201821941925 U CN 201821941925U CN 209041683 U CN209041683 U CN 209041683U
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- high pressure
- air inlet
- mandril
- piston
- air
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- 206010008469 Chest discomfort Diseases 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 22
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 7
- 230000006837 decompression Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 206010022000 influenza Diseases 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of high pressure air relief valves, including valve body and adjusting pressuring handle；The valve body is divided into high pressure chest and low pressure chamber, and high pressure chest is connected to low pressure chamber by the first air flue；Air inlet seat is set in the high pressure chest, air inlet is set in the air inlet seat；Mandril, tip-lever support are set above the air inlet seat；Gas outlet is provided on the tip-lever support；The mandril is mounted on tip-lever support, and the upper end is stretched out by gas outlet, enters low pressure chamber by the first air flue；Piston is set in the low pressure chamber, and the piston offsets with mandril；The second air flue being connected to the first air flue is opened up on piston；The adjusting pressuring handle is connect with the low pressure chamber；Built-in escape pipe on the adjusting pressuring handle, one end external pipeline of the escape pipe, the other end protrudes into the second air flue and the first air flue is connected to high pressure chest；The second elastic parts is provided between adjusting pressuring handle and piston.The utility model structure is simple, reduces the whole manufacture difficulty of pressure reducing valve, reduces manufacturing cost.
Description
Technical field
The utility model relates to valve body fields, and in particular to a kind of high pressure air relief valve.
Background technique
Pressure reducing valve is inlet pressure to be reduced to the outlet pressure of a certain needs, and by the energy of medium itself by adjusting
Amount, makes outlet pressure automatically keep stable valve.From the viewpoint of hydrodynamics, pressure reducing valve is that a local resistance can become
The restricting element of change changes the kinetic energy of flow velocity and fluid, causes the different pressure losses that is, by change orifice size, from
And achieve the purpose that decompression.Then by the adjusting of control and regulating system, the fluctuation of downstream pressure is made to balance each other with spring force,
Keep constant downstream pressure in certain error range.
Existing relief valve body internal structure is complicated, and valve body manufacture difficulty is big, and manufacturing cost is high.
Utility model content
The purpose of the utility model is to provide the whole manufacture difficulty of a kind of simple valve body of structure, reduction pressure reducing valve, drops
Low manufacturing cost.
In order to achieve the above object, the utility model proposes technical solution it is as follows:
A kind of high pressure air relief valve, including valve body and adjusting pressuring handle；The valve body is divided into high pressure chest and low pressure chamber, high pressure
Chamber is connected to low pressure chamber by the first air flue；Air inlet seat is set in the high pressure chest, is set between the air inlet seat and high pressure cavity wall
It is equipped with the first O-ring seal, air inlet is set in the air inlet seat；Mandril, tip-lever support are set above the air inlet seat；Institute
It states and is provided with gas outlet on tip-lever support；The mandril is mounted on tip-lever support, and the upper end is stretched out by gas outlet, by the first air flue
Into low pressure chamber；The sealing for blocking gas outlet is provided on the mandril；First is arranged between mandril and air inlet seat
Elastic component component；Piston is set in the low pressure chamber, and the piston offsets with mandril；Between the piston and low pressure cavity wall
It is provided with Y grommet type seal；The second air flue being connected to the first air flue is opened up on piston；The adjusting pressuring handle and the low pressure chamber
Connection；Built-in escape pipe on the adjusting pressuring handle, one end external pipeline of the escape pipe, the other end protrude into the second air flue and
One air flue is connected to high pressure chest, and the second O-shaped gasket is arranged between the escape pipe and the second air flue；In adjusting pressuring handle and piston
Between be provided with the second elastic parts.
Further: the high pressure chest end is connect with air inlet head, and air inlet gasket is arranged between air inlet head；The air inlet
Gasket is annular, and protrusion is arranged on the gasket face met to air inlet.
Further: the mandril is respectively guide part, sealing and support division from bottom to top；The sealing is pushing up
Reduced diameter on rod axis direction, projection of the lower end surface of the sealing on the guide part are greater than the guiding
The cross-sectional area in portion.
Further: first elastic parts includes the first bullet seat and reset spring, and the first bullet seat is mounted on
In the air inlet seat；The reset spring is through on the guide part, and the lower end surface of the upper end and sealing touches, lower end with
The upper surface of second bullet seat touches.
It is further: the first gasket is set between the gas outlet and mandril sealing.
Further: second elastic parts includes the second bullet seat and adjustment spring, and the end face of the second bullet seat is set
It is equipped with annular groove；The lower end surface of the adjustment spring is touched with the piston, and upper surface enters the annular groove, with the annular
Slot clearance fit.
Further: the piston includes piston only and inlay；It is arranged that open at one end, one end is silent on piston only
Inlay channel, in inlay channel, closed end opens up first through hole；The inlay is embedded in inlay channel by opening, logical with inlay
O-ring is set between road closed end；Closed at one end, open at one end the airflow channel being arranged in the inlay, in the inlay envelope
Eccentric orfice is arranged in closed end.
It is further: filter to be provided in the air inlet seat, the filter is located at below mandril.
It is further: right angle quick connector to be connected on the adjusting pressuring handle, the fast plug in right angle and escape pipe connect
It is logical.
It is further: pressure relief device to be provided on the adjusting pressuring handle, the pressure relief device includes pressure-releasing chamber, thimble, tune
Save nut, spring, gasket；The pressure-releasing chamber is arranged on adjusting pressuring handle and is connected to escape pipe, and the thimble is T shape, bullet
Spring is through on thimble, and regulating nut is pressed on spring, and thimble is fixed in regulation handle.
The technical effect of the utility model is:
The utility model moves towards design, the only connecting component at both ends without gas circuit on valve body；Internal structure is uncomplicated, valve
Body overall structure is simple, keeps its processing and manufacturing simpler, and effectively guarantees the volume of valve body, and the air-tightness of valve body is able to
Preferably guarantee；And exhaust selection setting gas circuit in regulation handle and piston is logical after the air pressure of the utility model reduces
Road, the discharge engaged with one another for completing gas；Special designing is more rationally reliable；
It offsets using mandril with piston in the utility model, while being respectively equipped with elastic parts, during depressurizing pressure regulation,
Piston and mandril can guarantee on axis, unbiased, reach optimal seal effect, guarantee that decompression is fixed, stablizes.
The filter screen being arranged in air inlet seat in this pressure reducing valve makes moisture and impurity in compressed air, guarantees entire valve body
Normal work, while improving the service life of valve body.
Mandril in this pressure reducing valve is the integrated molding of 304 stainless steel of rigid material, and machining accuracy is easily guaranteed that, Neng Goubao
Air-tightness when demonstrate,proving pressure reducing valve work.Production cost is reduced simultaneously.Gasket seal material is the PTFE material of 90 ° of hardness or more simultaneously
Material；The mandril conical surface is in close contact under the compression force of reset spring with gasket seal inner cavity.It depressurizes under valve closing state,
The two is in and is fully sealed.It depressurizes under the valve opening state, mandril moves down, and gap occurs in the two, and gas is by decompression, from seam
It is flowed out in gap.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is the general structure schematic diagram of the utility model；
Fig. 2 is the explosive view of Fig. 1；
Fig. 3 is the cross-sectional view of Fig. 1；
Fig. 4 is push rod structure schematic diagram in Fig. 1；
Wherein, the above drawings include the following reference numerals:
1 air inlet connecting pin；2 air inlet gaskets；3 air inlet seats；4O type circle；5 filters；6 first bullet seats；7 reset springs；8 tops
Bar, guide part 81, sealing 82, support division 83；9 tip-lever supports；10 first gasket seals；
11 valve bodies, 111 high pressure chests, 112 low pressure chambers, 113 first air flues；
12 piston inlays, 121 second air flues；13O type circle, 14Y type sealing ring；15 pistons；
16 balancing springs；17 second bullet seats；18 regulation handles, 181 escape pipes；
19 right angle quick connectors, 20 gaskets, 21 thimbles, 22 springs, 23 regulating nuts, 24 outlets connect end.
Specific embodiment
Be described in detail the utility model below in conjunction with attached drawing and specific embodiment, illustrative examples therein with
And explanation is only used to explain the utility model, but is not intended as the improper restriction to the utility model.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
A kind of high pressure air relief valve, including valve body and adjusting pressuring handle；The valve body is divided into high pressure chest and low pressure chamber, high pressure
Chamber is connected to low pressure chamber by the first air flue；Air inlet seat is set in the high pressure chest, is set between the air inlet seat and high pressure cavity wall
It is equipped with the first O-ring seal, air inlet is set in the air inlet seat；Mandril, tip-lever support are set above the air inlet seat；Institute
It states and is provided with gas outlet on tip-lever support；The mandril is mounted on tip-lever support, and the upper end is stretched out by gas outlet, by the first air flue
Into low pressure chamber；The sealing for blocking gas outlet is provided on the mandril；First is arranged between mandril and air inlet seat
Elastic component component；Piston is set in the low pressure chamber, and the piston offsets with mandril；Between the piston and low pressure cavity wall
It is provided with Y grommet type seal；The second air flue being connected to the first air flue is opened up on piston；The adjusting pressuring handle and the low pressure chamber
Connection；Built-in escape pipe on the adjusting pressuring handle, one end external pipeline of the escape pipe, the other end protrude into the second air flue and
One air flue is connected to high pressure chest, and the second O-shaped gasket is arranged between the escape pipe and the second air flue；In adjusting pressuring handle and piston
Between be provided with the second elastic parts.
The course of work of this pressure reducing valve is as follows:
Before valve body work starts, the second elastic parts does not work, and high pressure gas rests on the first elasticity in high pressure chest
The elastic force of component passes to mandril by piston, by mandril passes to the second elastic parts again；Mandril is in the first elastic group at this time
It is in close contact under the spring-force driven dual of part with the first gasket seal；Adjusting pressuring handle rotates clockwise the bullet by the second elastic parts
Power adjusts the pressure reduced value of high pressure gas；The spring force of second elastic parts is more than the spring force of the first elastic parts；It is low
It presses intracavitary piston that mandril is pushed to move down to be detached from the first gasket, gap occurs in the two, and high pressure gas is by decompression, from gap
Middle outflow enters high pressure chest by the first air flue, then flows to outlet connecting pin from the second air flue.In whole work process, mandril
It is on axis always with piston, unbiased, sealing voltage regulation result is best.
In the present invention, high pressure gas is by special exhaust passage (on the second air flue and regulation handle on piston
Escape pipe composition exhaust passage), so that low-pressure gas is ejected along regulation handle.It can be set in this way to avoid on valve body
A plurality of air flue is set, the complexity of valve body is reduced, makes the processing and fabricating of valve body simpler, improves processing efficiency.It can make
The maximum gauge of entire product controls in 30mm, and total length is controlled in 67mm；Small in size, whole occupied space is smaller.
The requirement of the moving part, the connector resultant pressure, air-tightness of quiet part of entire valve inner, actual conditions are according to actual
Using being set, it is not limited here.
High pressure gas enters valve inner by the air inlet seat of bottom, miscellaneous by the particulate matter in filter filtering gas
Then matter passes through the gap of mandril and gasket seal, so that high-pressure inlet gas is reduced to low tension outlet gas.Wherein, it depressurizes
Reset spring and balancing spring inside valve are telescoped up to the stable effect of outlet pressure by spring；Regulation handle is embedded to let out
Pressure device guarantees the safety of outlet side pipeline.
By the clearance fit between 6 spring bushings, 7 reset springs and 8 mandrils, so that mandril is in central axis position
It sets.Purpose: guarantee the accuracy of pressure regulation.
By the clearance fit between 15 pistons, 17 spring bases and 11 valve bodies, so that balancing spring is in central axis position
It sets.Purpose: guarantee the stability of outlet pressure.
By controlling the rigidity of 16. balancing springs and the hole depth of 17 spring bases, achieve the purpose that control outlet pressure value, warp
Measurement, outlet pressure tolerance are ± 0.3Bar.
Further: the high pressure chest end is connect with air inlet head, and air inlet gasket is arranged between air inlet head；The air inlet
Gasket is annular, and protrusion is arranged on the gasket face met to air inlet.Air inlet gasket has been designed specifically to boss structure, improves gasket
Decrement, it acts as gas cylinder open before it is pre-sealed, gas cylinder open after be fully sealed.
A kind of preferred structure of mandril is provided herein, the mandril 8 be respectively from bottom to top guide part 81, sealing 82 with
And support division 83, reduced diameter of the sealing on mandril axis direction, the lower end surface of the sealing 82 is in institute
State the cross-sectional area that the projection on guide part is greater than the guide part.Therefore the first elastic parts engaged therewith includes the first bullet
Seat 6 and reset spring 7, the first bullet seat 6 are mounted in the air inlet seat 3；The reset spring 7 is through the guide part
On, the upper end and the lower end surface of sealing 82 touch, and lower end and the upper surface of the second bullet seat touch.Up and down the two of reset spring
End all use revocable mode, during telescopic spring, can with adjust automatically axis, fixed compared to wherein one end or
The all fixed mode in both ends, the stability of axial movement are more preferable.7 sets of reset spring on guide part, 7 lower end of reset spring is fixed
On second spring seat 6, the effective guide part 81 for guaranteeing mandril 8 will not glance off during spring-compressed.
Under the sealing of mandril greatly up and down, closely, seamless with cooperation in gas outlet, the first gasket engagement process
Gap.In addition also provide a kind of specific structure of second elastic parts in the utility model again: second elastic parts includes
The end face of second bullet seat 15 and adjustment spring 14, the second bullet seat is provided with annular groove；The lower end surface of the adjustment spring with
The piston touches, and upper surface enters the annular groove, with the annular groove clearance fit.Realize the adjusting of outlet pressure, this
Structure is simple, reliably.Identical as the both ends on-fixed mode of reset spring, the both ends of adjustment spring also use revocable here
Mode, convenient for spring itself self is axially adjustable.
It is further: the first gasket is set between the gas outlet and mandril sealing.Herein, guide surface is 60 °
Cone is mutually pressed with gasket.
Further: second elastic parts includes the second bullet seat and adjustment spring, and the end face of the second bullet seat is set
It is equipped with annular groove；The lower end surface of the adjustment spring is touched with the piston, and upper surface enters the annular groove, with the annular
Slot clearance fit.
Further: the piston includes piston only and inlay；It is arranged that open at one end, one end is silent on piston only
Inlay channel, in inlay channel, closed end opens up first through hole；The inlay is embedded in inlay channel by opening, logical with inlay
O-ring is set between road closed end；Closed at one end, open at one end the airflow channel being arranged in the inlay is sealed in the inlay
Eccentric orfice is arranged in closed end.
It is further: filter to be provided in the air inlet seat, the filter is located at below mandril.By filter mistake
Particulate contaminant in air filtration body improves the service life of valve body, guarantee valve body using safe.The type or mesh of filter
Number, is selected, it is not limited here according to the actual needs.When filter can effectively guarantee gas coming through in valve body,
It will not be damaged, improve service life by impurity.
It is further: right angle quick connector to be connected on the adjusting pressuring handle, the fast plug in right angle and escape pipe connect
It is logical.
It is further: pressure relief device to be provided on the adjusting pressuring handle, the pressure relief device includes pressure-releasing chamber, thimble, tune
Save nut, spring, gasket；The pressure-releasing chamber is arranged on adjusting pressuring handle and is connected to escape pipe, and the thimble is T shape, bullet
Spring is through on thimble, and regulating nut is pressed on spring, and thimble is fixed in regulation handle.Pressure relief device setting is adjusting hand
In handle, play the role of safety exhaust, while not increasing the volume size of pressure reducing valve product.Pressure release dress at this regulation handle
It sets, when outlet pressure is more than setting pressure, discharge exceeds pressure from the pressure relief device, effectively to guarantee outlet end pipe
Road safety.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of high pressure air relief valve, it is characterised in that: including valve body and adjusting pressuring handle；The valve body is divided into high pressure chest and low
Chamber is pressed, high pressure chest is connected to low pressure chamber by the first air flue；
Air inlet seat is set in the high pressure chest, the first O-ring seal is provided between the air inlet seat and high pressure cavity wall, described
Air inlet is set in air inlet seat；Mandril, tip-lever support are set above the air inlet seat；Gas outlet is provided on the tip-lever support；
The mandril is mounted on tip-lever support, and the upper end is stretched out by gas outlet, enters low pressure chamber by the first air flue；On the mandril
It is provided with the sealing for blocking gas outlet；First elastic component component is set between mandril and air inlet seat；
Piston is set in the low pressure chamber, and the piston offsets with mandril；Y is provided between the piston and low pressure cavity wall
Grommet type seal；The second air flue being connected to the first air flue is opened up on piston；
The adjusting pressuring handle is connect with the low pressure chamber；
Built-in escape pipe on the adjusting pressuring handle, one end external pipeline of the escape pipe, the other end protrude into the second air flue and
One air flue is connected to high pressure chest, and the second O-shaped gasket is arranged between the escape pipe and the second air flue；In adjusting pressuring handle and piston
Between be provided with the second elastic parts.
2. high pressure air relief valve according to claim 1, it is characterised in that: the high pressure chest end is connect with air inlet head,
Air inlet gasket is arranged in it between air inlet head；The air inlet gasket is annular, and protrusion is arranged on the gasket face met to air inlet.
3. high pressure air relief valve according to claim 1, it is characterised in that: the mandril is respectively to be oriented to from bottom to top
Portion, sealing and support division；Reduced diameter of the sealing on mandril axis direction, the lower end of the sealing
Projection of the face on the guide part is greater than the cross-sectional area of the guide part.
4. high pressure air relief valve according to claim 3, it is characterised in that: first elastic parts includes the first bullet
Seat and reset spring, the first bullet seat are mounted in the air inlet seat；The reset spring is through on the guide part,
Upper end and the lower end surface of sealing touch, and lower end and the upper surface of the second bullet seat touch.
5. high pressure air relief valve according to claim 1 or 4, it is characterised in that: the gas outlet and mandril sealing
Between the first gasket is set.
6. high pressure air relief valve according to claim 1, it is characterised in that: second elastic parts includes the second bullet
Seat and adjustment spring, the end face of the second bullet seat are provided with annular groove；The lower end surface of the adjustment spring and the piston phase
Touching, upper surface enters the annular groove, with the annular groove clearance fit.
7. high pressure air relief valve according to claim 1, it is characterised in that: the piston includes piston only and embedding
Body；
Open at one end, one end is silent inlay channel is set on piston only, and in inlay channel, closed end opens up first through hole；
The inlay is by being arranged O-ring between opening insertion inlay channel, with inlay channel closed end；One be arranged in the inlay
End seal closes, the airflow channel of open at one end, and eccentric orfice is arranged in the inlay closed end.
8. high pressure air relief valve according to claim 1, it is characterised in that: it is provided with filter in the air inlet seat,
The filter is located at below mandril.
9. high pressure air relief valve according to claim 1, it is characterised in that: it is fast to be connected with right angle on the adjusting pressuring handle
Connection-peg, the fast plug in right angle are connected to escape pipe.
10. high pressure air relief valve according to claim 1, it is characterised in that: be provided with pressure release on the adjusting pressuring handle
Device, the pressure relief device include pressure-releasing chamber, thimble, regulating nut, spring, gasket；The pressure-releasing chamber is arranged in pressure regulation hand
It is connected on handle and with escape pipe, the thimble is T shape, and spring is through on thimble, and regulating nut is pressed on spring, and thimble is consolidated
It is scheduled in regulation handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821941925.6U CN209041683U (en) | 2018-11-23 | 2018-11-23 | A kind of high pressure air relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821941925.6U CN209041683U (en) | 2018-11-23 | 2018-11-23 | A kind of high pressure air relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209041683U true CN209041683U (en) | 2019-06-28 |
Family
ID=67043391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821941925.6U Withdrawn - After Issue CN209041683U (en) | 2018-11-23 | 2018-11-23 | A kind of high pressure air relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209041683U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373034A (en) * | 2018-11-23 | 2019-02-22 | 滕建辉 | A kind of high pressure air relief valve |
| CN110630792A (en) * | 2019-08-29 | 2019-12-31 | 南京伟易达机电科技发展有限公司 | Gas regulator |
-
2018
- 2018-11-23 CN CN201821941925.6U patent/CN209041683U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373034A (en) * | 2018-11-23 | 2019-02-22 | 滕建辉 | A kind of high pressure air relief valve |
| CN109373034B (en) * | 2018-11-23 | 2024-03-08 | 宁波诺森机电制造有限公司 | High-pressure gas pressure reducing valve |
| CN110630792A (en) * | 2019-08-29 | 2019-12-31 | 南京伟易达机电科技发展有限公司 | Gas regulator |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221215 Address after: 315000 No. 1, Yingxin Second Road, pneumatic industrial park, Xikou Town, Fenghua District, Ningbo City, Zhejiang Province Patentee after: Ningbo Northen Electromechanical Manufacturing Co.,Ltd. Address before: 315040 Room 607, No. 5, Building 2, Danfeng Fourth Village, Jiangdong District, Ningbo City, Zhejiang Province Patentee before: Teng Jianhui |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190628 Effective date of abandoning: 20240308 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190628 Effective date of abandoning: 20240308 |