CN106351892A - Pneumatic pressure adjusting fluid pressurizing device - Google Patents
Pneumatic pressure adjusting fluid pressurizing device Download PDFInfo
- Publication number
- CN106351892A CN106351892A CN201611048573.7A CN201611048573A CN106351892A CN 106351892 A CN106351892 A CN 106351892A CN 201611048573 A CN201611048573 A CN 201611048573A CN 106351892 A CN106351892 A CN 106351892A
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- CN
- China
- Prior art keywords
- inner tube
- supercharging
- described air
- outer tube
- inlet pipe
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims description 7
- 241000446313 Lamella Species 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 210000004247 hand Anatomy 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- SEPPVOUBHWNCAW-FNORWQNLSA-N (E)-4-oxonon-2-enal Chemical compound CCCCCC(=O)\C=C\C=O SEPPVOUBHWNCAW-FNORWQNLSA-N 0.000 description 1
- LLBZPESJRQGYMB-UHFFFAOYSA-N 4-one Natural products O1C(C(=O)CC)CC(C)C11C2(C)CCC(C3(C)C(C(C)(CO)C(OC4C(C(O)C(O)C(COC5C(C(O)C(O)CO5)OC5C(C(OC6C(C(O)C(O)C(CO)O6)O)C(O)C(CO)O5)OC5C(C(O)C(O)C(C)O5)O)O4)O)CC3)CC3)=C3C2(C)CC1 LLBZPESJRQGYMB-UHFFFAOYSA-N 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a pneumatic pressure adjusting fluid pressurizing device. The device comprises an inner tube, a pressurizing outer tube, a manual supercharger and a rubber ball. The periphery of the inner tube is sequentially provided with a pressurizing outer tube, a water inlet, a first-stage pressurizing opening, a second-stage pressurizing opening, a secondary pressurizing ring, a water outlet and the manual supercharger. The manual supercharger comprises a gas cavity, an exhaust port, a piston block, a sealing ring, a push rod, a pressing plate, a reset spring, a gas inlet pipe, a filter screen, a one-way valve and an exhaust valve. A fixed pressurizing structure is used and matched with the pneumatic pressurizing device capable of being manually adjusted, so stable continuous stable pressurizing can be achieved, and pressurizing efficiency and the use effect are improved.
Description
Technical field
The present invention relates to a kind of fluid pressure booster, specifically a kind of fluid pressure booster of pneumatic type pressure regulation.
Background technology
The pressurizer of fluid can be applied in many occasions, and the use of pressurizer can be carried with energy-saving and water-saving simultaneously
Our work efficiency high, our life greatly convenient.Particularly some hand held fluid pressurizer, can be flexible
Operation, is effectively increased the mobility in production.
In prior art, fluid pressure booster is substantially and adds pressurized hole or supercharger etc. using in inner shell and shell
Be fixedly installed to fluid pressurized, pressurized effect is notable, but is a lack of mobility, for interim production work require cannot and
When complete.
In prior art, manually change mostly pressurized effect is to increase different superchargers in outlet, pass through
Adjustment is rotated up to change the purpose of pressurized effect, and the shape due to supercharger is fixed, and is so unable to reach progressively adjustment hydraulic pressure
Effect, can only be mutated being changed of formula, such be arranged in operability slightly not enough.
In existing apparatus, some are adjusted being pressurized using electrical equipment, so can increase cost, and equipment complexity cost
Higher, later maintenance also relative difficulty, it is unfavorable for that popularization uses.
Content of the invention
It is an object of the invention to provide a kind of fluid pressure booster of pneumatic type pressure regulation, to solve in above-mentioned background technology
The problem proposing.
For achieving the above object, the following technical scheme of present invention offer:
A kind of fluid pressure booster of pneumatic type pressure regulation, including inner tube, supercharging outer tube, hand supercharging device and rubber ball body,
Said inner tube periphery upper weld is provided with supercharging outer tube, and said inner tube inwall upper end is provided with water inlet, said inner tube side wall
It is connected with one-level boost port, connect setting on the downside of said inner tube side wall and described supercharging outer tube with the upside of described supercharging outer tube
There is two-stage supercharging mouth, in the middle part of described supercharging outer tube wall, be symmetrically arranged with secondary pressurized ring and said inner tube outer wall between, described
Inner tube wall lower end is provided with outlet, and said inner tube periphery is located at welding below described supercharging outer tube and is provided with hand supercharging
Device, described hand supercharging device is by air chamber, air vent, piston block, sealing ring, push rod, pressing plate, returning spring, air inlet pipe, filter
Net, check valve and drain tap composition, described air chamber is located in described hand supercharging device, and described air chamber left upper portion runs through
Said inner tube right wall is provided with described air vent, and described air vent left end is connected with described rubber ball body, described air vent
It is connected with described fastening hermetic collar with described rubber ball body junction periphery, described gas intracavity is provided with described piston
Block, inlays in the middle part of described piston block periphery and is provided with described sealing ring, described piston block lower end is connected with described push rod, institute
State the welding of push rod lower end and be provided with described pressing plate, between described pressing plate and described hand supercharging device lower end, be located at described push rod periphery
It is connected with described returning spring, described air chamber upper end is connected with air inlet pipe, described air inlet pipe right-hand member parcel setting
There is described filter screen, described air inlet pipe lower end is provided with described check valve positioned at described air chamber upper wall, in described air chamber right wall
Portion is provided with described drain tap, and described drain tap is made up of through hole and closure.
As the further scheme of the present invention: described water inlet and outlet are and are weldingly fixed on said inner tube inner ring
The quoit that opening gradually tapers up from top to bottom.
As the further scheme of the present invention: described one-level boost port runs through said inner tube side wall connection said inner tube and institute
State supercharging outer tube, described one-level boost port is obliquely installed to described supercharging outer tube.
As the further scheme of the present invention: described two-stage supercharging mouth runs through said inner tube side wall connection said inner tube and institute
State supercharging outer tube, described two-stage supercharging mouth is arranged to said inner tube inner inclination.
As the further scheme of the present invention: described secondary pressurized ring adopts the semicircle annulus of a pair of opposition setting.
As the further scheme of the present invention: described rubber ball body is hollow caulking gum material inflatable ball.
As the further scheme of the present invention: described piston block mutually agrees with described air chamber side wall dimensions, described piston
Block and described air chamber are flexibly connected.
As the further scheme of the present invention: described push rod is weldingly fixed on described piston block lower end, described push rod lower end
Extend downwardly through described hand supercharging device lower end.
As the further scheme of the present invention: described air inlet pipe is located at described hand supercharging device top, under described air inlet pipe
End is connected with described air chamber, and described air inlet pipe right-hand member passes through described hand supercharging device right wall to connect with the external world.
As the further scheme of the present invention: described check valve is by the torsion bullet being fastened on described air chamber upper wall
Spring, rotatable lamella and the sealing gasket composition mutually agreeing with described air inlet pipe lower end size.
Compared with prior art, the invention has the beneficial effects as follows: fluid enters in inner tube by water inlet, the setting of water inlet
Put and can cross convection cell and be pressurized, a fluid part continues downwards by inner tube, and another part passes through one-level boost port and enters increasing
In pressure outer tube, fluid can be pressurized when one-level boost port again, enter the fluid in supercharging outer tube and pass through secondary supercharging
It is vented back in inner tube under ring and from two-stage supercharging mouth, such fluid all warp when by two-stage supercharging mouth and secondary pressurized ring
Cross increase, so fluid velocity after multiple supercharging substantially increases, and now fluid can be discharged by outlet, outlet
Setting identical with water inlet, can be pressurized again when fluid is discharged, so repeatedly supercharging setting can completely utilize inside
Construction is increased, simply using without special operational；When device carry pressurized effect inadequate when, pressing plate can be pressed up,
Pressing plate drives piston block to be pressed into rubber ball body gas from air vent by push rod, and rubber ball body can be with inflation, so
Decrease interior tube fluid and pass through area, water body constantly can pressurize during rubber ball body expands, when piston block is downward
When mobile, drive check valve to rotate down air and gas intracavity is entered by air inlet pipe, such setting can be constantly to rubber
Spheroid is inflated to increase pressure, until it reaches till use demand, so simple to operate, and pressure increases to be stablized, without the need for
Using power equipment, the relatively low energy-conserving and environment-protective of cost, it is appropriate to promote the use of.
Brief description
Fig. 1 is a kind of structural representation of the fluid pressure booster of pneumatic type pressure regulation.
Fig. 2 be in a kind of fluid pressure booster of pneumatic type pressure regulation what structural representation.
Fig. 3 is the cross section structure schematic diagram of inner tube and supercharging outward appearance in a kind of fluid pressure booster of pneumatic type pressure regulation.
In figure: 1- inner tube, 2- is pressurized outer tube, 3- water inlet, 4- one-level boost port, 5- two-stage supercharging mouth, 6- level supercharging
Block, 7- outlet, 8- hand supercharging device, 81- air chamber, 9- air vent, 10- rubber ball body, 11- fastens hermetic collar, and 12- lives
Chock, 13- sealing ring, 14- push rod, 15- pressing plate, 16- returning spring, 17- air inlet pipe, 18- filter screen, 19- check valve, 20- arranges
Air valve.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1～3, in the embodiment of the present invention, a kind of fluid pressure booster of pneumatic type pressure regulation, including inner tube 1, increase
Pressure outer tube 2, hand supercharging device 8 and rubber ball body 10, the peripheral upper weld of said inner tube 1 is provided with supercharging outer tube 2, said inner tube
1 inwall upper end is provided with water inlet 3, and fluid enters inside said inner tube 1 by described water inlet 3, and described water inlet 3 is welding
It is fixed on the quoit that the opening from top to bottom of said inner tube 1 inner ring gradually tapers up, fluid enters described by described water inlet 3
In inner tube 1, the opening due to described water inlet 3 shrinks, and can cause effect, said inner tube 1 side wall and the described supercharging outer tube being pressurized
It is connected with one-level boost port 4, described one-level boost port 4 runs through said inner tube 1 side wall connection said inner tube 1 and institute on the upside of in the of 2
State supercharging outer tube 2, described one-level boost port 4, to described supercharging outer tube 2 inner inclination setting, is so beneficial to fluid from said inner tube
1 enters described supercharging outer tube 2, is connected with two-stage supercharging mouth 5 on the downside of said inner tube 1 side wall and described supercharging outer tube 2, described
Two-stage supercharging mouth 5 runs through said inner tube 1 side wall connection said inner tube 1 and described supercharging outer tube 2, and described two-stage supercharging mouth 5 is to institute
State the setting of inner tube 1 inner inclination, be so beneficial to fluid and enter said inner tube 1 from described supercharging outer tube 2, in described supercharging outer tube 2
It is symmetrically arranged with secondary pressurized ring 6 and said inner tube 1 outer wall between, described secondary pressurized ring 6 is using a pair to erecting in the middle part of wall
The semicircle annulus put, fluid enters in described supercharging outer tube 2 by described one-level boost port 4, when through described secondary supercharging
During ring 6 can repressurization, said inner tube 1 inwall lower end is provided with outlet 7, and fluid is discharged described by described outlet 7
Outside inner tube 1, described outlet 7 is to be weldingly fixed on the quoit that the opening of said inner tube 1 inner ring is gradually reduced from top to bottom,
So fluid pressure when flowing out said inner tube 1 can increase again again, and said inner tube 1 periphery is located at below described supercharging outer tube 2
Welding be provided with hand supercharging device 8, described hand supercharging device 8 by air chamber 81, air vent 9, piston block 12, sealing ring 13, push away
Bar 14, pressing plate 15, returning spring 16, air inlet pipe 17, filter screen 18, check valve 19 and drain tap 20 form, described air chamber 81
In described hand supercharging device 8, described air chamber 81 is cylindrical cavity, and described air chamber 81 left upper portion runs through described interior
Pipe 1 right wall is provided with described air vent 9, and described air vent 9 left end is connected with described rubber ball body 10, described rubber ball body
10 is hollow caulking gum material inflatable ball, and gas is entered in described rubber ball body 10 by described air vent 9 and causes balloon
Expansion can increase the pressure of fluid in said inner tube 1, and described air vent 9 and the periphery connection of described rubber ball body 10 junction set
It is equipped with described fastening hermetic collar 11, described fastening hermetic collar 11 can will be close to described air vent 9 and described rubber ball body 10
Sealing is fixed, it is to avoid gas leakage or fluid penetrate into, and are provided with described piston block 12, described piston block 12 He in described air chamber 81
Described air chamber 81 side wall dimensions phase is agreed with, and described piston block 12 and described air chamber 81 are flexibly connected, described piston block 12 energy
Enough move up and down in described air chamber 81, inlay in the middle part of described piston block 12 periphery and be provided with described sealing ring 13, described close
It can be avoided that gas leakage in described air chamber 81, described piston block 12 lower end is connected with described push rod 14, institute for seal 13
State push rod 14 and be weldingly fixed on described piston block 12 lower end, described push rod 14 lower end passes through described hand supercharging device 8 lower end downward
Extend, the welding of described push rod 14 lower end is provided with described pressing plate 15, and described pressing plate 15 lower end has wrapped rubber spacer, increases
Frictional force also avoids hand uncomfortable, is located at described push rod 14 periphery even between described pressing plate 15 and described hand supercharging device 8 lower end
Connect and be provided with described returning spring 16, under the normal condition of described returning spring 16, described piston block 12 is located at described air chamber
Lower end in 81, when pressing up described pressing plate 15, gas is pressed into described ball by described air vent 9 by described piston block 12
In body 10, described returning spring 16 is compressed simultaneously, and described air chamber 81 upper end is connected with air inlet pipe 17, described air inlet pipe
17 are located at described hand supercharging device 8 top, and described air inlet pipe 17 lower end is connected with described air chamber 81, described air inlet pipe 17 right-hand member
Connect through described hand supercharging device 8 right wall with the external world, described air inlet pipe 17 right-hand member parcel is provided with described filter screen 18, described filter
Net 18 is it can be avoided that air enters the fashionable operation bringing excessive impurity effect device into, described air inlet pipe by described air inlet pipe 17
17 lower ends are provided with described check valve 19 positioned at described air chamber 81 upper wall, and described check valve 19 is by being fastened on described gas
The torsionspring of chamber 81 upper wall, rotatable lamella and the sealing gasket composition mutually agreeing with described air inlet pipe 17 lower end size, described list
To valve 19 due to the effect of torsionspring, when described piston block 12 moves down, can rotate down by described air inlet pipe
17 can block described air vent 9 completely to air inlet in described air chamber 81, now described check valve 19, described in so in air inlet
Gas in rubber ball body 10 will not be extracted out again, and when described piston block 12 moves up, described check valve 19 is fitted in
Described air inlet pipe 17 lower end, gas is discharged by described air vent 9, and described air chamber 81 right wall top is provided with described air bleeding valve
Door 20, described drain tap 20 is made up of through hole and closure, and the through hole of described drain tap 20 is by described air chamber 81
Connect with described hand supercharging device 8 right side, the closure of described drain tap 20 is located at and runs through in the hole and be threaded connection solid
It is scheduled on described hand supercharging device 8 right wall, drain tap 20 can be opened when device needs decompression and device is exitted.
The operation principle of the present invention is: fluid enters in inner tube 1 by water inlet 3, and the setting of water inlet 3 can cross convection cell
It is pressurized, a fluid part continues downwards by inner tube 1, another part passes through one-level boost port 4 and enters in supercharging outer tube 2,
Fluid can be pressurized when one-level boost port 4 again, and the fluid entering in supercharging outer tube 2 is downward through secondary pressurized ring 6
And be vented back in inner tube 1 from two-stage supercharging mouth 5, such fluid is all passed through when by two-stage supercharging mouth 5 and secondary pressurized ring 6
Increase, so the fluid velocity after multiple supercharging substantially increases, and now fluid can be discharged by outlet 7, outlet 7
Setting identical with water inlet 3, can be pressurized again when fluid is discharged, so repeatedly supercharging setting can completely utilize inside
Construction is increased, simply using without special operational；When device carry pressurized effect inadequate when, pressing plate can be pressed up
15, pressing plate 15 drives piston block 12 to be pressed into rubber ball body 10 gas from air vent 9 by push rod 14, and rubber ball body 10 is permissible
Inflation, which reduces fluid in inner tube 1 and passes through area, and water body constantly can add during rubber ball body 10 expands
Pressure, when piston block 12 moves down, drives check valve 19 to rotate down air and enters in air chamber 81 by air inlet pipe 17, this
The setting of sample can constantly be inflated to increase pressure to rubber ball body 10, until it reaches till use demand, so simple to operate,
Pressure increase stable, without the need for using power equipment, the relatively low energy-conserving and environment-protective of cost, be appropriate to promote the use of.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as limiting involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (8)
1. a kind of fluid pressure booster of pneumatic type pressure regulation, including inner tube, supercharging outer tube, hand supercharging device and rubber ball body, its
It is characterised by, said inner tube periphery upper weld is provided with supercharging outer tube, and said inner tube inwall upper end is provided with water inlet, described
It is connected with one-level boost port, on the downside of said inner tube side wall and described supercharging outer tube on the upside of interior tube side wall and described supercharging outer tube
It is connected with two-stage supercharging mouth, in the middle part of described supercharging outer tube wall, be symmetrically arranged with secondary supercharging and said inner tube outer wall between
Ring, said inner tube inwall lower end is provided with outlet, and said inner tube periphery is located at welding below described supercharging outer tube and is provided with handss
Dynamic supercharger, described hand supercharging device is by air chamber, air vent, piston block, sealing ring, push rod, pressing plate, returning spring, air inlet
Pipe, filter screen, check valve and drain tap composition, described air chamber be located at described hand supercharging device in, on the left of described air chamber on
Portion runs through said inner tube right wall and is provided with described air vent, and described air vent left end is connected with described rubber ball body, described
Air vent and described rubber ball body junction periphery are connected with described fastening hermetic collar, and described gas intracavity is provided with institute
State piston block, inlay in the middle part of described piston block periphery and be provided with described sealing ring, described piston block lower end is connected with described
Push rod, the welding of described push rod lower end is provided with described pressing plate, is located at described between described pressing plate and described hand supercharging device lower end
Push rod periphery is connected with described returning spring, and described air chamber upper end is connected with air inlet pipe, described air inlet pipe right-hand member
Parcel is provided with described filter screen, and described air inlet pipe lower end is provided with described check valve, described gas positioned at described air chamber upper wall
Chamber right wall top is provided with described drain tap, and described drain tap is made up of through hole and closure；Described water inlet and going out
The mouth of a river is and is weldingly fixed on the quoit that the opening from top to bottom of said inner tube inner ring gradually tapers up；Described one-level boost port is passed through
Wear said inner tube side wall connection said inner tube and described supercharging outer tube, described one-level boost port tilts to described supercharging outer tube
Setting.
2. a kind of fluid pressure booster of pneumatic type pressure regulation according to claim 1 is it is characterised in that described two-stage supercharging
Mouth runs through said inner tube side wall connection said inner tube and described supercharging outer tube, and described two-stage supercharging mouth is to said inner tube inner inclination
Setting.
3. a kind of fluid pressure booster of pneumatic type pressure regulation according to claim 1 is it is characterised in that described secondary is pressurized
Ring adopts the semicircle annulus of a pair of opposition setting.
4. a kind of fluid pressure booster of pneumatic type pressure regulation according to claim 1 is it is characterised in that described rubber ball body
For hollow caulking gum material inflatable ball.
5. a kind of pneumatic type pressure regulation according to claim 1 fluid pressure booster it is characterised in that described piston block and
Described air chamber side wall dimensions phase is agreed with, and described piston block and described air chamber are flexibly connected.
6. a kind of fluid pressure booster of pneumatic type pressure regulation according to claim 1 is it is characterised in that described push rod welds
It is fixed on described piston block lower end, described push rod lower end extends downwardly through described hand supercharging device lower end.
7. a kind of fluid pressure booster of pneumatic type pressure regulation according to claim 1 is it is characterised in that described air inlet pipe position
In described hand supercharging device top, described air inlet pipe lower end is connected with described air chamber, and described air inlet pipe right-hand member passes through described handss
Dynamic supercharger right wall connects with the external world.
8. a kind of pneumatic type pressure regulation according to claim 1 fluid pressure booster it is characterised in that described check valve by
It is fastened on torsionspring, rotatable lamella and the sealing mutually agreeing with described air inlet pipe lower end size of described air chamber upper wall
Pad composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611048573.7A CN106351892B (en) | 2016-11-24 | 2016-11-24 | A kind of fluid pressure booster of pneumatic type pressure regulation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611048573.7A CN106351892B (en) | 2016-11-24 | 2016-11-24 | A kind of fluid pressure booster of pneumatic type pressure regulation |
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| Publication Number | Publication Date |
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| CN106351892A true CN106351892A (en) | 2017-01-25 |
| CN106351892B CN106351892B (en) | 2018-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611048573.7A Active CN106351892B (en) | 2016-11-24 | 2016-11-24 | A kind of fluid pressure booster of pneumatic type pressure regulation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110131223A (en) * | 2019-06-06 | 2019-08-16 | 哈尔滨工程大学 | A kind of underwater second level high pressure bubble source based on push-rod piston |
| CN113653682A (en) * | 2021-08-23 | 2021-11-16 | 江苏科技大学 | Ultrahigh pressure hydraulic cylinder structure |
| CN114737611A (en) * | 2022-05-10 | 2022-07-12 | 威海天泽建筑材料有限公司 | Building-free inspection well device |
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| CN2099858U (en) * | 1991-02-04 | 1992-03-25 | 鄢全海 | Combined inflater |
| US20110094386A1 (en) * | 2008-08-28 | 2011-04-28 | I-Sin Peng | Marine Water Separating Fuel Filter |
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| CN113653682A (en) * | 2021-08-23 | 2021-11-16 | 江苏科技大学 | Ultrahigh pressure hydraulic cylinder structure |
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| CN114737611B (en) * | 2022-05-10 | 2024-02-27 | 威海天泽建筑材料有限公司 | Building-free inspection well device |
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| Publication number | Publication date |
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| CN106351892B (en) | 2018-05-11 |
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