CN104141595A - Pneumatic hydraulic pump - Google Patents
Pneumatic hydraulic pump Download PDFInfo
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- CN104141595A CN104141595A CN201410351228.5A CN201410351228A CN104141595A CN 104141595 A CN104141595 A CN 104141595A CN 201410351228 A CN201410351228 A CN 201410351228A CN 104141595 A CN104141595 A CN 104141595A
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- 230000003584 silencer Effects 0.000 claims abstract description 10
- 239000000945 filler Substances 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000005461 lubrication Methods 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 67
- 230000006872 improvement Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000030279 gene silencing Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention provides a pneumatic hydraulic pump. The pneumatic hydraulic pump comprises a first check valve, a second check valve, a pneumatic pump body, a hydraulic pump body and a piston rod. The hydraulic pump body and the pneumatic pump body are connected to form a first piston hole. A pneumatic control valve, an air inlet passageway and an air outlet passageway are arranged in the pneumatic pump body. The pneumatic control valve opens or closes the air inlet passageway and the air outlet passageway respectively, an air inlet of the air inlet passageway is formed in the pneumatic pump body, an air outlet of the air outlet passageway is formed in a third check valve seat, the air inlet passageway and the air outlet passageway respectively intersect to the right side, in the first piston hole, of a piston body after passing the pneumatic control valve, and an air silencer is arranged on the air outlet. Through high-frequency and reliable back-and-forth movement of an air pressure piston and an oil pressure piston, oil suction and discharge cyclic motion is achieved, and the pneumatic hydraulic pump is simple in structure and small in size.
Description
Technical field
The present invention relates to a kind of pump, particularly relate to a kind of air-driven hydraulic pump.
Background technique
Chinese patent (CN201250767Y) discloses a kind of air-driven hydraulic pump, comprise valve body back cover portion, piston, cylinder barrel, spring, small piston rod, guide sleeve, back-up ring, seal ring, high pressure oil output body, oil suction body, transition connector, flange, nut, described valve body back cover portion comprises silencing apparatus, silencing apparatus, reversing bar, spool, guide sleeve, gas source air inlet, spool, valve pocket, plug screw, valve body back cover portion offers gas source air inlet, spool is arranged in valve pocket, plug screw is arranged in the hole of establishing in advance, the axis of plug screw and spool point-blank, reversing bar is arranged in the hole presetting, spool is arranged in guide sleeve, silencing apparatus, silencing apparatus is disposed thereon, piston is installed in cylinder barrel, small piston rod seized piston, spring is on small piston rod, guide sleeve, back-up ring, seal ring is enclosed within on small piston rod in turn, flange is arranged in transition connecting rod, high pressure oil output body, oil suction sports association is logical.
1, the selector valve that valve body back cover portion arranges drives piston rod oil suction and fuel-displaced, wherein, suction port air inlet, selector valve commutation, gas push piston driving small piston rod moves downward, piston cavity of resorption air is to connect selector valve by external passage at present, and Bas Discharged and the inflation promotion piston driving small piston rod realized in cavity of resorption move upward.So just make pneumatic hydraulic pump structure more complicated, volume becomes large simultaneously.
2, used time not air-driven hydraulic pump a period of time, in the passage that flange and small piston rod move mutually, residual oil there will be curing phenomenon, at this moment oil suction body oil suction, oil cannot enter in this passage by the one-way valve being arranged on oil suction body, to user, has brought very large inconvenience.
Summary of the invention
In order to address the above problem, the invention provides a kind of air-driven hydraulic pump.
The technical solution used in the present invention is as follows:
An air-driven hydraulic pump, comprises the first one-way valve, the second one-way valve, the pneumatic pump housing, hydraulic pump body and piston rod, and described hydraulic pump body and the described pneumatic pump housing are connected to form first piston hole,
On described hydraulic pump body axis, be provided with the second piston hole, on the axis of described hydraulic pump body, be also provided with filler opening, described filler opening and described the second piston hole are connected to form oil inlet passage, described hydraulic pump body is horizontally arranged with oil outlet, described oil outlet and described the second piston hole are connected to form oil discharge passage, described oil inlet passage is connected with described oil discharge passage is vertical, the described filler opening inlet connector tube that has been threaded, the described oil outlet outlet pipe connection that has been threaded, described the first one-way valve is fixed in described filler opening by described inlet connector tube, described the second one-way valve is fixed in described oil outlet by described outlet pipe connection,
The stage casing of described piston rod is socketed with the piston body coordinating with described first piston hole, described first piston hole is separated to form the first air cavity and the second air cavity by piston body, it between described piston body and described hydraulic pump body, is described the first air cavity, between described piston body and the described pneumatic pump housing, it is described the second air cavity, left section of described piston rod in described the second piston hole, described piston rod is also socketed with spring outward, and described spring is arranged in described the first air cavity;
On the described pneumatic pump housing, be also provided with the 3rd one-way valve that prevents that right section of described piston rod from skidding off, described the 3rd one-way valve is arranged on described the 3rd one-way valve seat, and described the 3rd one-way valve seat is arranged on the described pneumatic pump housing;
In the described pneumatic pump housing, be provided with Pneumatic valve, gas-entered passageway and outlet passageway, right section of described piston rod connects described the 3rd one-way valve through described Pneumatic valve, described Pneumatic valve is opened or is closed described gas-entered passageway and described outlet passageway respectively, the suction port of described gas-entered passageway is arranged on the described pneumatic pump housing, the air outlet of described outlet passageway arranges on described the 3rd one-way valve seat, described gas-entered passageway and described outlet passageway intersect to described the second air cavity respectively after described Pneumatic valve, and described air outlet is provided with air silencer;
Described hydraulic pump body and the described pneumatic pump housing are bolted, described bolt passes the described pneumatic pump housing to described hydraulic pump body, described bolt coordinates with described pneumatic pump body space, on the described pneumatic pump housing, be provided with the second air outlet hole, described the second air outlet hole passes the gap of described bolt and the described pneumatic pump housing to the interior outlet passageway that enters that forms the first air cavity of described the first air cavity.
Above-mentioned air-driven hydraulic pump, wherein, described hydraulic pump body and the described pneumatic pump housing are fixed by four above-mentioned bolts.
Above-mentioned air-driven hydraulic pump, wherein, described hydraulic pump body is also provided with filler opening on side, and described filler opening forms lubrication channel through described hydraulic pump body to described the second piston hole.
Above-mentioned air-driven hydraulic pump, wherein, described the second one-way valve comprises steel ball and spring, on described outlet pipe connection axis, be provided with the hole of placing described spring, described spring is placed in described hole, described steel ball is arranged between described spring and described oil outlet, between described steel ball and described oil outlet, is also provided with annulus pad.
Preferably, described annulus pad is the annulus pad that converted steel supports.
Above-mentioned air-driven hydraulic pump, wherein, described selector valve comprises pneumatic moushroom valve core, spring and the 3rd piston hole coordinating with described pneumatic moushroom valve core, and described selector valve is socketed spring outward and is arranged in the 3rd piston hole, right section of outer sheathed described pneumatic moushroom valve core of described piston rod.
The present invention compared with the existing technology, has the following advantages and beneficial effect:
Air-driven hydraulic pump of the present invention, the reliable back and forth movement by the high frequency of air pressure and hydraulic piston, realizes and sucks and discharge oily do action; Utilize the Area Ratio of air slide and hydraulic piston will drive air pressure conversion high pressure oil pressure, adopt selector valve to realize gas purging, do not need external pipe to carry out exhaust to gas, make structure simpler, smaller volume simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of air-driven hydraulic pump of the present invention.
In figure: 1 is hydraulic pump body, 2 is the pneumatic pump housing, 3 is the first air cavity, 4 is the second air cavity, 5 is suction port, 6 is gas-entered passageway, 7 is outlet passageway, 8 is air outlet, 9 is the 3rd one-way valve seat, 10 is air silencer, 11 is spring stop, 12 is spring, 13 is Pneumatic unidirectional spool, 14 is the 3rd one-way valve, 15 is piston body, 16 is piston rod, 17 is spring, 18 is the second one-way valve, 19 is outlet pipe connection, 20 is spring, 21 is steel ball, 22 is oil outlet, 23 is oil discharge passage, 24 is filler opening, 25 is oil inlet passage, 26 is inlet connector tube, 27 is the first one-way valve, 28 is the second piston hole, 29 is first piston hole, 30 is pneumatic moushroom valve core, 31 is the 3rd piston hole, 32 is Pneumatic valve, 33 is air silencer fitting seat, 34 is spring.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiments.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment who obtains under creative work prerequisite, belong to the scope of protection of the invention.
Shown in Figure 1, a kind of air-driven hydraulic pump, comprises the first one-way valve 27, the second one-way valve 18, the pneumatic pump housing 2, hydraulic pump body 1 and piston rod 16, and hydraulic pump body 1 is connected to form first piston hole 29 with the pneumatic pump housing 2,
On hydraulic pump body 1 axis, be provided with the second piston hole 28, on the axis of hydraulic pump body 1, be also provided with filler opening 24, filler opening 24 and the second piston hole 28 are connected to form oil inlet passage 25, hydraulic pump body 1 is horizontally arranged with oil outlet 22, oil outlet 22 and the second piston hole 28 are connected to form oil discharge passage 23, oil inlet passage 25 is connected with oil discharge passage 23 is vertical, filler opening 24 inlet connector tube 26 that has been threaded, oil outlet 22 outlet pipe connection 19 that has been threaded, the first one-way valve 27 is fixed in filler opening 24 by inlet connector tube 26, the second one-way valve 18 is fixed in oil outlet 22 by outlet pipe connection 19,
The stage casing of piston rod 16 is socketed with the piston body 15 coordinating with first piston hole 29, first piston hole 29 is separated to form the first air cavity 3 and the second air cavity 4 by piston body 15, it between piston body 15 and hydraulic pump body 1, is the first air cavity 3, it between piston body 15 and the pneumatic pump housing 2, is the second air cavity 4, left section of piston rod 16 in the second piston hole 28, piston rod 16 is outer is also socketed with spring 17, and spring 17 is arranged in the first air cavity 3;
On the pneumatic pump housing 2, be also provided with and prevent that the 3rd one-way valve 14, the three one-way valves 14 that right section of piston rod 16 skids off are arranged on the 3rd one-way valve seat 9, the 3rd one-way valve seat 9 is arranged on the pneumatic pump housing 2;
In the pneumatic pump housing 2, be provided with Pneumatic valve 32, gas-entered passageway 6 and outlet passageway 7, right section of piston rod 16 connects the 3rd one-way valves 14 through Pneumatic valve 32, Pneumatic valve 32 is opened or is closed gas-entered passageway 6 and outlet passageway 7 respectively, the suction port 5 of gas-entered passageway 6 is arranged on the pneumatic pump housing 2, the air outlet 8 of outlet passageway 7 arranges on the 3rd one-way valve seat 9, gas-entered passageway 6 and outlet passageway 7 intersect to the second air cavity 28 respectively after Pneumatic valve 32, and air outlet 8 is provided with air silencer 10;
Hydraulic pump body 1 is bolted with the pneumatic pump housing 2, bolt passes the pneumatic pump housing 2 to hydraulic pump body 1, bolt and the pneumatic pump housing 2 Spielpassung, on the pneumatic pump housing 2, be provided with the second air outlet hole, the second air outlet hole is through the outlet passageway that enters of interior formation first air cavity of gap to the first air cavity 3 of bolt and the pneumatic pump housing.
Further, hydraulic pump body 1 is fixed by four above-mentioned bolts with the pneumatic pump housing 2.
By above-mentioned bolt is set, replaced external passage of the prior art, when piston body moves to left, the air in the first air cavity is discharged from the second air outlet hole through bolt; By inflating to this second air outlet hole, make the first gas interacvity air-filling, promote piston body and drive piston rod to move to right, structure is simpler, and smaller volume is easy to use.
As to further improvement of the present invention, Pneumatic valve 32 comprises pneumatic moushroom valve core 30, spring 34 and coordinates 30 the 3rd piston hole 31 with pneumatic moushroom valve core, outside Pneumatic valve 32, being socketed with spring 34 is arranged in the 3rd piston hole 31, on the 3rd one-way valve seat 9, be provided with air outlet 8, air outlet 8 is through the interior formation outlet passageway 7 of the 3rd piston hole 31 to second air cavity 4, on the pneumatic pump housing 2, be provided with suction port 5, suction port 5 is through the interior formation gas-entered passageway 6 of the 3rd piston hole 31 to second air cavity 4.
As to further improvement of the present invention, hydraulic pump body is also provided with filler opening (not shown) on 1 side, and filler opening (not shown) is through the interior formation lubrication channel of hydraulic pump body 1 to second piston hole 28.
Air-driven hydraulic pump a period of time, while not using, the oil in the second piston hole there will be curing phenomenon, made oil not promote the first one-way valve from inlet connector tube and moved in the second piston hole.Now, the filler opening by hydraulic pump body side injects oil to the second piston hole, soaks after a period of time, and due to lubricated to the second piston hole of oil, the oil of realizing inlet connector tube promotes in the second one-way valve to the second piston hole, then goes out from oil outlet.
As to further improvement of the present invention, the second one-way valve 18 comprises steel ball 21 and spring 20, on outlet pipe connection 19 axis, be provided with the hole of placing spring 20, spring 20 is placed in this hole, steel ball 21 is arranged between spring 20 and oil outlet 22, between steel ball 21 and oil outlet 22, is also provided with annulus pad.
Oil from inlet connector tube through the first one-way valve and the second piston hole to oil outlet, now, oil promotes steel ball and moves along telescopic spring, makes oil flow out to outlet pipe connection from oil outlet.Steel ball, due to the elastic force of spring, can clash into oil outlet, clashes into for a long time, can make oil outlet and steel ball damage, and steel ball can not be sealed oil outlet, and now oil can directly flow out from oil outlet.By annulus pad is set, effectively protect oil outlet and steel ball, avoid steel ball to clash into oil outlet.
Further, annulus pad is the annulus pad that high hardness material is made.
Preferably, annulus pad is the annulus pad that converted steel supports.
As to further improvement of the present invention, the 3rd one-way valve 14 comprises Pneumatic unidirectional spool 13, spring 12 and spring stop 11, is socketed Pneumatic check valve core 13 outside one end of spring 12, outside the other end socket spring stop 11 of spring 12.
Right section of piston rod is withstood Pneumatic check valve, due to the effect of spring force, piston rod can not be passed from Pneumatic valve, by the 3rd one-way valve is set, prevent that piston rod from passing from Pneumatic valve, cause piston rod to-and-fro motion, cause piston rod to carry out oil suction or force feed to oil.
Further, also comprise air silencer fitting seat 33, air silencer fitting seat 33 socket Pneumatic valves 32 and the 3rd one-way valve seat 9 is outer is arranged on air-driven hydraulic pump 2, air silencer 10 is arranged on air silencer fitting seat 33 and relief opening 8 places.
The working principle of air-driven hydraulic pump of the present invention:
F
1=P
gas* A
1, F
2=P
oil* A
2, piston body A wherein
1cross-section area, A
2be the cross-section area of the second piston hole (being piston rod), pressure ratio=A
1: A
2=C (constant), P
gasbe the air pressure in the second air cavity, P
oilbe the oil pressure in the second piston hole,
Step 1: suction port 5 inflations, gas is moved to the left through the interior promotion piston body 15 of the 3rd piston hole 31 to second air cavity 4, due to P
oil< C * P
gas,f
1< F
2, piston rod 16 is moved to left, (suction port is inflated always), the first one-way valve 27 is closed, and the second one-way valve 18 is opened, and the oil pressure in the second piston hole 28 is gone out to oil outlet.Now, the air in the first air cavity 3 is gone out from bolt hole (gap that bolt coordinates with the pneumatic pump housing) to the second air outlet hole;
Step 2: when piston rod 16 is moved to the left always, make right section of piston rod 16 skid off (now pneumatic moushroom valve 30 cores are blocked outlet passageway) in pneumatic moushroom valve core 30, the air of suction port 5 is passed through in the 3rd piston 31 holes in pneumatic moushroom valve core 30, in the 3rd piston hole 31, be full of after gas, pneumatic moushroom valve core 30 is moved to the left, make pneumatic moushroom valve core 30 block suction port 5, boot disk spool 30 is opened outlet passageway 7 simultaneously, and the gas of suction port 14 is discharged through the 3rd one-way valve 14.
Step 3: now because the second air cavity 4 communicates with outside, P
gas,=0, F
1=0, spring 17 power move to right piston rod 16, and the air that piston rod 16 is closed in pneumatic moushroom valve core 30 gas-entered passageway 6, the second air cavitys 4 flows out from outlet passageway 7.Now, the air in the first air cavity 3 is inflated through the second air outlet hole from bolt hole (gap that bolt coordinates with the pneumatic pump housing).Meanwhile, the first one-way valve 27 is opened, and the second one-way valve 18 is closed, and hydraulic oil oil suction is in inlet connector tube 26 to second piston holes 28.Piston rod 16 LAP that moves to right, pneumatic moushroom valve core 30 resets to the right at the spring-force driven dual that is socketed in pneumatic moushroom valve core outer spring 34, and suction port 5 is opened, and carries out next one circulation.
Air-driven hydraulic pump of the present invention is according to above-mentioned steps circulation running, the reliable back and forth movement by the high frequency of air pressure and hydraulic piston, realize and sucking and the do action of discharging, approach after setting pressure and circulate and slow down, while reaching setting pressure completely, drive air pressure and oil pressure to keep pressure F in balance
1=F
2,be P
oil=C * P
gas.Under state of equilibrium, do not consume driving air pressure completely, do not have power loss and the oil temperature rising problem of electric oil pump.Even if drive air pressure to interrupt, second one-way valve 18 of discharging side also can keep oil pressure.During load pressure decompression, rapid response is pressurizeed, keep oil pressure stable.With respect to prior art, by external air conduit, pneumatic moushroom valve core is moved to right, make structure simpler, smaller volume.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. an air-driven hydraulic pump, comprise the first one-way valve (27), the second one-way valve (18), the pneumatic pump housing (2), hydraulic pump body (1) and piston rod (16), described hydraulic pump body (1) is connected to form first piston hole (29) with the described pneumatic pump housing (2), it is characterized in that
On described hydraulic pump body (1) axis, be provided with the second piston hole (28), on the axis of described hydraulic pump body (1), be also provided with filler opening (24), described filler opening (24) is connected to form oil inlet passage (25) with described the second piston hole (28), described hydraulic pump body (1) is horizontally arranged with oil outlet (22), described oil outlet (22) is connected to form oil discharge passage (23) with described the second piston hole (28), described oil inlet passage (25) and vertical connection of described oil discharge passage (23), described filler opening (24) inlet connector tube (26) that has been threaded, described oil outlet (22) outlet pipe connection (19) that has been threaded, described the first one-way valve (27) is fixed in described filler opening (24) by described inlet connector tube (26), described the second one-way valve (18) is fixed in described oil outlet (22) by described outlet pipe connection (19),
The stage casing of described piston rod (16) is socketed with the piston body (15) coordinating with described first piston hole (29), described first piston hole (29) is separated to form the first air cavity (3) and the second air cavity (4) by piston body (15), between described piston body (15) and described hydraulic pump body (1), it is described the first air cavity (3), between described piston body (15) and the described pneumatic pump housing (2), it is described the second air cavity (4), left section of described piston rod (16) in described the second piston hole (28), the outer spring (17) that is also socketed with of described piston rod (16), described spring (17) is arranged in described the first air cavity (3),
On the described pneumatic pump housing (2), be also provided with the 3rd one-way valve (14) that prevents that right section of described piston rod (16) from skidding off, it is upper that described the 3rd one-way valve (14) is arranged on described the 3rd one-way valve seat (9), and described the 3rd one-way valve seat (9) is arranged on the described pneumatic pump housing (2);
In the described pneumatic pump housing (2), be provided with Pneumatic valve (32), gas-entered passageway (6) and outlet passageway (7), right section of described piston rod (16) connects described the 3rd one-way valve (14) through described Pneumatic valve (32), described Pneumatic valve (32) is opened or is closed described gas-entered passageway (6) and described outlet passageway (7) respectively, the suction port (5) of described gas-entered passageway (6) is arranged on the described pneumatic pump housing (2), the air outlet (8) of described outlet passageway (7) arranges on described the 3rd one-way valve seat (9), described gas-entered passageway (6) and described outlet passageway (7) intersect to described the second air cavity (4) respectively after described Pneumatic valve (32), described air outlet (8) is provided with air silencer (10),
Described hydraulic pump body (1) is bolted with the described pneumatic pump housing (2), described bolt passes the described pneumatic pump housing (2) to described hydraulic pump body (1), described bolt and the described pneumatic pump housing (2) Spielpassung, on the described pneumatic pump housing (2), be provided with the second air outlet hole, described the second air outlet hole passes the gap of described bolt and the described pneumatic pump housing to the interior outlet passageway that enters that forms the first air cavity (3) of described the first air cavity (3).
2. air-driven hydraulic pump according to claim 1, is characterized in that, described hydraulic pump body (1) is also provided with filler opening on side, and described filler opening forms lubrication channel through described hydraulic pump body (1) to described the second piston hole (28).
3. air-driven hydraulic pump according to claim 1, it is characterized in that, described the second one-way valve (18) comprises steel ball (21) and spring (20), on described outlet pipe connection (19) axis, be provided with the hole of placing described spring (20), described spring (20) is placed in described hole, described steel ball (21) is arranged between described spring (20) and described oil outlet (22), between described steel ball (21) and described oil outlet (22), is also provided with annulus pad.
4. air-driven hydraulic pump according to claim 3, is characterized in that, described annulus pad is the annulus pad that converted steel supports.
5. air-driven hydraulic pump according to claim 1, it is characterized in that, described the 3rd one-way valve (14) comprises Pneumatic unidirectional spool (13), spring (12) and spring stop (11), socket described Pneumatic unidirectional spool (13) outside one end of described spring (12), the other end of described spring (12) is socketed outside described spring stop (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410351228.5A CN104141595A (en) | 2014-07-23 | 2014-07-23 | Pneumatic hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410351228.5A CN104141595A (en) | 2014-07-23 | 2014-07-23 | Pneumatic hydraulic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104141595A true CN104141595A (en) | 2014-11-12 |
Family
ID=51850880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410351228.5A Pending CN104141595A (en) | 2014-07-23 | 2014-07-23 | Pneumatic hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104141595A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502947A (en) * | 2020-05-29 | 2020-08-07 | 上海商蔚机械科技有限公司 | Pneumatic booster pump |
| CN112112777A (en) * | 2020-10-30 | 2020-12-22 | 江苏瑞兴环保设备有限公司 | A pneumatic piston pump |
| CN112983773A (en) * | 2021-05-08 | 2021-06-18 | 潍坊力创电子科技有限公司 | Automatic fluid supercharging device |
| CN116140141A (en) * | 2023-02-18 | 2023-05-23 | 无锡伟鸿基电子有限公司 | A dispensing valve and dispensing method |
| CN116670393A (en) * | 2020-12-21 | 2023-08-29 | 迈陆博有限责任公司 | Industrial Pneumatic Pumps for Viscous Fluids |
| CN117267077A (en) * | 2023-09-21 | 2023-12-22 | 中船澄西船舶修造有限公司 | A device for cleaning and transporting sediments in ship cabins |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502947A (en) * | 2020-05-29 | 2020-08-07 | 上海商蔚机械科技有限公司 | Pneumatic booster pump |
| CN112112777A (en) * | 2020-10-30 | 2020-12-22 | 江苏瑞兴环保设备有限公司 | A pneumatic piston pump |
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| CN112983773A (en) * | 2021-05-08 | 2021-06-18 | 潍坊力创电子科技有限公司 | Automatic fluid supercharging device |
| CN116140141A (en) * | 2023-02-18 | 2023-05-23 | 无锡伟鸿基电子有限公司 | A dispensing valve and dispensing method |
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Application publication date: 20141112 |
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