CN209483568U - A kind of gas-liquid booster pump - Google Patents

A kind of gas-liquid booster pump Download PDF

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Publication number
CN209483568U
CN209483568U CN201920082844.3U CN201920082844U CN209483568U CN 209483568 U CN209483568 U CN 209483568U CN 201920082844 U CN201920082844 U CN 201920082844U CN 209483568 U CN209483568 U CN 209483568U
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CN
China
Prior art keywords
piston
spring
front cover
valve
cylinder barrel
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Withdrawn - After Issue
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CN201920082844.3U
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Chinese (zh)
Inventor
蒋建勇
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Ningbo City Airtop Pneumatic & Hydraulic Co Ltd
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Ningbo City Airtop Pneumatic & Hydraulic Co Ltd
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Priority to CN201920082844.3U priority Critical patent/CN209483568U/en
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Publication of CN209483568U publication Critical patent/CN209483568U/en
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Abstract

The utility model discloses a kind of gas-liquid booster pumps, including the first cylinder barrel and the second cylinder barrel, first cylinder barrel one end is connected with front cover, the first cylinder barrel other end is connected with rear cover, second cylinder barrel is connected to front cover, first piston chamber is equipped in first cylinder barrel, second piston chamber is equipped in second cylinder barrel, first piston is intracavitary to be equipped with first piston and piston rod, second piston is intracavitary to be equipped with second piston, reversal valve is equipped in rear cover, the first interface channel is equipped in rear cover, the first buffer is equipped at first interface channel, the first snorkel and the second snorkel are equipped between front cover and rear cover, the second interface channel is equipped in front cover, the second buffer is equipped at second interface channel, second cylinder barrel is connected with end cap, end cap is equipped with inlet, the first check valve is additionally provided in end cap, front cover is equipped with liquid outlet, front cover is equipped with second one-way valve.Gas-liquid booster pump provided by the utility model has the characteristics that safe and reliable, structure is simple, work is fast stable.

Description

A kind of gas-liquid booster pump
Technical field
The utility model relates to be pressurized pump technical field, in particular to a kind of gas-liquid booster pump.
Background technique
Gas-liquid booster pump is that pressurized liquid is driven by compressed air, also known as Pneumatic liquid booster pump, and pressure ratio determines pump Maximum output pressure, can be used for valve, pipe fitting, pressure vessel etc., to provide static and explosion test, aerospace attachment quiet State and dynamic test, brake system of car and atomizer test etc..
Domestic gas-liquid booster pump controls the operation of gas-liquid booster pump using dual reset pattern, due to being passed in and out using both ends Gas, so that pneumatic circuit is too long, it is also necessary to which control element controls, so that reaction speed becomes slow, to make whole system The requirement of client cannot be reached.And stability is poor, and there are some potential safety problemss.
Summary of the invention
In view of the deficiencies of the prior art and defect, a kind of gas-liquid booster pump is provided, using compressed air as one kind of power source Piston type booster pump is pressurized the reciprocal switch operating of spool of Pneumatic valve when air inlet, and control pressurization pump piston is at a terrific speed Make reciprocating action, with increasing for output pressure, the reciprocating speed of piston slows down until stopping, at this point, the pressure of booster pump output Power is constant, and energy consumption is minimum, and each component stops working;No matter which kind of reason causes pressure dwelling loop pressure to decline, and booster pump will Automatic starting, supplement leakage pressure, keeps circuit pressure constant.The pump housing all uses aluminium alloy and stainless steel making, maximum to set Meter driving air pressure is 10bar, in order to guarantee that the service life of pump suggests driving cylinder < 8bar.The driving piston diameter of pump is 100mm, For double-stage double-acting pump.Using compressed air-driven, safety anti-explosive;The driving of booster pump with it is completely separable by pressurising medium cylinder, Medium is pollution-free.
To achieve the above object, the utility model provides following technical scheme.
A kind of gas-liquid booster pump, including the first cylinder barrel and the second cylinder barrel being connect with the first cylinder barrel, first cylinder barrel one End is connected with front cover, and the first cylinder barrel other end is connected with rear cover, and second cylinder barrel is connect by front cover with the first cylinder barrel, It is equipped with first piston chamber in first cylinder barrel, is equipped with second piston chamber in second cylinder barrel, the first piston is intracavitary to be set There are first piston and piston rod, the second piston is intracavitary to be equipped with second piston, and described piston rod one end is connect with first piston, The piston rod other end passes through front cover and protrudes into that second piston is intracavitary to be connect with second piston, and first piston divides first piston chamber It is divided into the first rod chamber and the first rodless cavity, reversal valve is equipped in the rear cover, be equipped with valve chamber in the reversal valve, on reversal valve Equipped with the air inlet being connected to valve chamber, the first working hole and the second working hole, it is equipped with valve rod in the valve chamber, the air inlet is straight The top for being located at valve rod at valve chamber is passed through, the first interface channel is equipped in the rear cover, the air inlet is logical by the first connection Road is connected to valve chamber, and the first interface channel and valve chamber connectivity part are located at the bottom end of valve rod;
The first buffer is equipped at first interface channel, first buffer includes the first buffering plug and first Buffer spring, first buffer spring one end, which is supported, is set to rear cover, and the first buffer spring other end, which supports, is set to the first buffering Plug, the first buffering plug offset under the action of the first buffer spring with the first interface channel with by the first interface channel It blocks, the first buffering plug is equipped with the first thimble far from one end of the first buffer spring, and first thimble protrudes into first Cooperate in rodless cavity with first piston;
First working hole is connected to the first rodless cavity, and the first snorkel and second are equipped between the front cover and rear cover Snorkel, the front cover is interior to be equipped with the air cavity being connected to the first rod chamber, and second working hole passes through the first snorkel and connects It is connected in the valve chamber of reversal valve in the air cavity of front cover, the rear cover with the second snorkel, the connectivity part of the second snorkel and valve chamber Positioned at the bottom end of valve rod;The second interface channel that the second snorkel is in communication with the outside is equipped in the front cover, described second connects It connects and is equipped with the second buffer at road, second buffer includes the second buffering plug and the second buffer spring, and described second Buffer spring one end, which is supported, is set to front cover, and the second buffer spring other end, which supports, is set to the second buffering plug, second buffering Plug offsets under the action of the second buffer spring with the second interface channel to block the second interface channel, second buffering Plug is equipped with the second thimble far from one end of the second buffer spring, and second thimble protrudes into the first rod chamber and first piston Cooperation;
Second cylinder barrel one end is connect with front cover, and the second cylinder barrel other end is connected with end cap, and second piston is by Two plunger shafts are divided into the second rod chamber and the second rodless cavity, and the end cap is equipped with the inlet being connected to the second rodless cavity, The first check valve with inlet cooperation is additionally provided in the end cap, the second piston is equipped with the second rod chamber and second The feed pathway of rodless cavity connection, the front cover are equipped with the liquid outlet that be connected to the second rodless cavity, the front cover equipped with The second one-way valve of liquid outlet cooperation.
Further, the piston rod is equipped with the pressurization lid and supercharging base that cooperates with feed pathway, the pressurization cover with It is equipped with pressurized spring between supercharging base, the pressurization, which is covered under the action of pressurized spring, to offset with the outlet of feed pathway with will be into Liquid passage plugging.
Further, the area of section of the valve rod bottom end is greater than the area of section of valve stem tip.
Further, first check valve includes the first steel ball, the first positioning sleeve, the first spring and second spring, institute It states the first spring one end to support set on end cap, the first spring other end, which supports, is set to the first positioning sleeve, described second spring one end To the first positioning sleeve is set to, the second spring other end, which supports, is set to the first steel ball, work of first steel ball in second spring It is offseted with lower with inlet to block inlet.
Further, the second one-way valve includes the second steel ball, the second positioning sleeve, third spring and the 4th spring, institute It states third spring one end to support set on end cap, the third spring other end, which supports, is set to the second positioning sleeve, the 4th spring one end To the second positioning sleeve is set to, the 4th spring other end, which supports, is set to the second steel ball, work of second steel ball in the 4th spring It is offseted with lower with liquid outlet to block liquid outlet.
Further, it is covered after described and is additionally provided with muffler, the muffler is connected to exhaust outlet.
Further, the front cover and the first cylinder barrel junction are equipped with the first support ring cooperated with piston rod and first and prevent Konisphere, the front cover and the second cylinder barrel junction are equipped with the second support ring cooperated with piston rod and the second dustband.
Further, the front cover is equipped with the first circlip that the first support ring and the first dustband is fixed, before described It covers and is equipped with the second circlip that the second support ring and the second dustband is fixed.
Further, the front cover and rear cover pass through screw respectively and are equipped with support frame.
Further, the front cover is connected with rear cover by pull rod.
The utility model has the following beneficial effects: the gas-liquid booster pump of the utility model, when work, inlet charge, gas Entered in valve chamber by the first interface channel, pushes valve rod mobile, at this time separated, the first work of air inlet and the first working hole Make mouth to be connected to exhaust outlet, be connected between air inlet and the second working hole, gas passes through the second working hole, the first snorkel, gas Chamber enters the first rod chamber, thus push first piston mobile to rear cover direction, when first piston is moved at rear cover, first Piston offsets with the first thimble, so that it is mobile to push the first thimble that the first buffering plug is driven to compress the first spring, to make the A connection channel is opened, and gas enters valve chamber through air inlet, the first interface channel, and is connected to the bottom end of valve rod, due to valve rod The area of section of bottom end is greater than the area of section of valve stem tip, so that active force suffered by valve rod bottom end is greater than valve stem tip institute The active force being subject to pushes valve rod mobile, is connected between air inlet and the first working hole at this time, air inlet and the second working hole it Separated, the second working hole is connected to exhaust outlet, and gas enters the first rodless cavity by the first working hole, to push first to live It is mobile to fill in front cover direction, when first piston is moved at front cover, first piston offsets with the second thimble, to push second Thimble drives the second buffering plug compression second spring mobile, so that the second interface channel be made to open, is located at valve in valve chamber at this time The air of the bottom end of bar is discharged outside to through interface channel, so that it is mobile positioned at the gas push valve rod of valve stem tip in valve chamber, Air inlet and the first working hole is separated at this time, and the first working hole is connected to exhaust outlet, between air inlet and the second working hole Connection, at this time gas by the second working hole, the first snorkel, air cavity enter the first rod chamber, thus push first piston to Rear cover direction is mobile, and first piston is driven to recycle above-mentioned movement, realizes and moves back and forth.
When first piston moves back and forth, first piston drives second piston equally to move back and forth by piston rod, liquid Enter the second rodless cavity through inlet, then enter the second rod chamber through feed pathway, second piston is in the process of reciprocating Liquid in second rod chamber can be pressurized, to generate high pressure, the liquid after generating high pressure is discharged through liquid outlet again, with Fluid pressure in the second rod chamber increase, the reciprocating motion speed of first piston also slows down therewith, when in the second rod chamber Fluid pressure and first piston suffered by active force when balancing each other, first piston stop motion, the liquid in the second rod chamber Body pressure no matter which kind of reason cause decline when, first piston can act again, until the second rod chamber in fluid pressure with Active force suffered by first piston balances each other, to ensure that the output pressure of liquid outlet is constant, the utility model passes through adjusting Input air pressure, output fluid pressure can be accordingly adjusted, and accomplish variable speed, by the way that reversal valve to be set in rear cover, be kept away The placement of external reversal valve is exempted from, so that gas circuit be made directly to work in rear cover, has worked quick stable, and air inlet list To progress, first piston and second piston can be made to move back and forth, it is easy to operate, furthermore by inlet and liquid outlet Place is set to idea, so that liquid will not flow back because of high pressure, ensure that safety when use.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the cross-sectional view of the utility model.
Fig. 3 is partial enlargement diagram at A in Fig. 2 of the utility model.
Fig. 4 is partial enlargement diagram at B in Fig. 2 of the utility model.
Fig. 5 is partial enlargement diagram at C in Fig. 2 of the utility model.
Fig. 6 is partial enlargement diagram at D in Fig. 2 of the utility model.
Fig. 7 is another cross-sectional view of the utility model.
Fig. 8 is partial enlargement diagram at A in Fig. 7 of the utility model.
In figure, 1. first cylinder barrels;2. the second cylinder barrel;3. front cover;4. rear cover;5. first piston chamber;6. second piston chamber;7. First piston;8. piston rod;9. second piston;10. pull rod;11. reversal valve;12. valve rod;13. the first buffering plug;14. the One buffer spring;15. the first thimble;16. the second buffering plug;17. the second buffer spring;18. the second thimble;19. first is logical Tracheae;20. the second snorkel;21. inlet;22. the first check valve;23. liquid outlet;24. second one-way valve;25. feed liquor is logical Road;26. pressurization lid;27. supercharging base;28. pressurized spring;29. the first steel ball;30. the first positioning sleeve;31. the first spring;32. Second spring;33. the second steel ball;34. the second positioning sleeve;35. third spring;36. the 4th spring;37. muffler;38. first Support ring;39. the first dustband;40. the second support ring;41. the second dustband;42. the first circlip;43. the second circlip;44. Support frame.
Specific embodiment
The utility model is further illustrated in conjunction with attached drawing.
Referring to a kind of Fig. 1 to gas-liquid booster pump shown in Fig. 8, including the first cylinder barrel 1 and connect with the first cylinder barrel 1 second Cylinder barrel 2,1 one end of the first cylinder barrel are connected with front cover 3, and 1 other end of the first cylinder barrel is connected with rear cover 4, and front cover 3 and rear cover 4 pass through drawing Bar 10 connects, and 10 one end of pull rod is connect by screw with front cover 3, and 10 other end of pull rod is connect by screw with rear cover 4, to make Front cover 3, the first cylinder barrel 1 and rear cover 4 connect, and are equipped between front cover 3 and the first cylinder barrel 1, between rear cover 4 and the first cylinder barrel 1 close Seal, to guarantee that leakproofness is good, the second cylinder barrel 2 is connect by front cover 3 with the first cylinder barrel 1, and the second cylinder barrel 2 passes through with front cover 3 It is threadedly coupled, sealing ring is equipped between the second cylinder barrel 2 and front cover 3, to guarantee that leakproofness is good, front cover 3 and rear cover 4 pass through respectively Screw is equipped with support frame 44, by support frame 44, in order to installing and using for booster pump.
It is equipped with first piston chamber 5 in first cylinder barrel 1, second piston chamber 6 is equipped in the second cylinder barrel 2, is set in first piston chamber 5 There are first piston 7 and piston rod 8, first piston 7 is movably set in first piston chamber 5, and it is living that second is equipped in second piston chamber 6 Plug 9,8 one end of piston rod connect with first piston 7, and 8 other end of piston rod passes through front cover 3, and to protrude into second piston chamber 6 interior and second Piston 9 connects, and front cover 3 and 1 junction of the first cylinder barrel are equipped with the first support ring 38 cooperated with piston rod 8 and the first dustband 39, front cover 3 is equipped with the first circlip 42 that the first support ring 38 and the first dustband 39 is fixed, and front cover 3 and the second cylinder barrel 2 connect It meets place and is equipped with the second support ring 40 cooperated with piston rod 8 and the second dustband 41, front cover 3 is equipped with 40 He of the second support ring The second fixed circlip 43 of second dustband 41, by the way that the first support ring 38, the first dustband 39,40 and of the second support ring is arranged Second dustband 41, is designed using two way seal, and reaching will not collaborate between the first cylinder barrel 1 and the second cylinder barrel 2, does air-tightness To best, first piston chamber 5 is divided into the first rod chamber and the first rodless cavity by first piston 7, is embedded on first piston 7 The sealing ring cooperated with 5 inner wall of first piston chamber, to guarantee to collaborate between the first rod chamber and the first rodless cavity.
It is equipped with reversal valve 11 in rear cover 4, valve chamber is equipped in reversal valve 11, reversal valve 11 is equipped with the air inlet being connected to valve chamber Mouth, the first working hole and the second working hole, valve chamber is interior to be equipped with valve rod 12, and the area of section of 12 bottom end of valve rod is greater than 12 top of valve rod Area of section, air inlet and the first working hole or the connection between the second working hole are switched by mobile valve rod 12, into Port leads directly at valve chamber the top for being located at valve rod 12, and the first interface channel is equipped in rear cover 4, and air inlet is logical by the first connection Road is connected to valve chamber, and the first interface channel and valve chamber connectivity part are located at the bottom end of valve rod 12.
The first buffer is equipped at first interface channel, the first buffer includes the first buffering plug 13 and the first buffering elastic Spring 14,14 one end of the first buffer spring, which is supported, is set to rear cover 4, and 14 other end of the first buffer spring, which supports, is set to the first buffering plug 13, First buffering plug 13 offsets under the action of the first buffer spring 14 with the first interface channel to block the first interface channel, First buffering plug 13 is equipped with the first thimble 15 far from one end of the first buffer spring 14, and the first thimble 15 protrudes into the first rodless cavity It is interior to cooperate with first piston 7.
First working hole is connected to the first rodless cavity, and the first snorkel 19 and the second ventilation are equipped between front cover 3 and rear cover 4 Pipe 20, front cover 3 is interior to be equipped with the air cavity being connected to the first rod chamber, and the second working hole is connected to front cover 3 by the first snorkel 19 Air cavity, the valve chamber of reversal valve 11 is connected to the second snorkel 20 in rear cover 4, and the connectivity part of the second snorkel 20 and valve chamber is located at The bottom end of valve rod 12;The second interface channel that the second snorkel 20 is in communication with the outside is equipped in front cover 3, at the second interface channel Equipped with the second buffer, the second buffer includes the second buffering plug 16 and the second buffer spring 17, the second buffer spring 17 1 End, which is supported, is set to front cover 3, and 17 other end of the second buffer spring, which supports, is set to the second buffering plug 16, and the second buffering plug 16 is slow second It rushes under the action of spring 17 and offsets with the second interface channel to block the second interface channel, the second buffering plug 16 is far from second One end of buffer spring 17 is equipped with the second thimble 18, and the second thimble 18 protrudes into the first rod chamber to be cooperated with first piston 7.
Second cylinder barrel, 2 one end is connect with front cover 3, and 2 other end of the second cylinder barrel is connected with end cap, and end cap and the second cylinder barrel 2 are logical Threaded connection is crossed, sealing ring is equipped between the second cylinder barrel 2 and end cap, to guarantee that leakproofness is good, second piston 9 is by second piston Chamber 6 is divided into the second rod chamber and the second rodless cavity, and sealing ring and wear-resistant strip are equipped between second piston 9 and the second cylinder barrel 2, To guarantee will not to be connected between the second rod chamber and the second rodless cavity, end cap is equipped with the inlet being connected to the second rodless cavity 21, the first check valve 22 cooperated with inlet 21 is additionally provided in end cap, the first check valve 22 includes that the first steel ball 29, first is determined Position the 30, first spring 31 of set and second spring 32,31 one end of the first spring, which is supported, is set to end cap, and 31 other end of the first spring is supported and is set to First positioning sleeve 30,32 one end of second spring, which is supported, is set to the first positioning sleeve 30, and 32 other end of second spring, which supports, is set to the first steel ball 29, the first steel ball 29 offsets under the action of second spring 32 with inlet 21 to block inlet 21.
Second piston 9 is equipped with the feed pathway 25 for being connected to the second rod chamber and the second rodless cavity, and piston rod 8 is equipped with The pressurization lid 26 and supercharging base 27 cooperated with feed pathway 25 is pressurized between lid 26 and supercharging base 27 and is equipped with pressurized spring 28, increases Gland 26 offsets under the action of pressurized spring 28 with the outlet of feed pathway 25 to block feed pathway 25.
Front cover 3 is equipped with the liquid outlet 23 being connected to the second rodless cavity, and front cover 3 is equipped with second cooperated with liquid outlet 23 Check valve 24, second one-way valve 24 include the second steel ball 33, the second positioning sleeve 34, third spring 35 and the 4th spring 36, third 35 one end of spring, which is supported, is set to end cap, and 35 other end of third spring, which supports, is set to the second positioning sleeve 34, and 36 one end of the 4th spring is supported and is set to Second positioning sleeve 34,36 other end of the 4th spring, which supports, is set to the second steel ball 33, and the second steel ball 33 is under the action of the 4th spring 36 It offsets with liquid outlet 23 to block liquid outlet 23.
The gas-liquid booster pump of the utility model, when work, inlet charge, gas enters valve chamber by the first interface channel It is interior, push valve rod 12 mobile, air inlet and the first working hole is separated at this time, and the first working hole is connected to exhaust outlet, air inlet Mouthful be connected between the second working hole, gas by the second working hole, the first snorkel 19, air cavity enter the first rod chamber, from And pushing first piston 7 mobile to 4 direction of rear cover, the gas in the first rodless cavity is arranged by the first working hole, exhaust outlet at this time Out.
When first piston 7 is moved at rear cover 4, first piston 7 offsets with the first thimble 15, to push the first thimble 15 to drive the first buffering plugs 13 to compress the first springs 31 mobile, so that the first interface channel be made to open, gas is through air inlet, the A connection channel enters valve chamber, and is connected to the bottom end of valve rod 12, since the area of section of 12 bottom end of valve rod is pushed up greater than valve rod 12 The area of section at end pushes valve so that active force suffered by 12 bottom end of valve rod is greater than active force suffered by 12 top of valve rod Bar 12 is mobile.
It is connected between air inlet and the first working hole at this time, air inlet is separated with the second working hole, the second working hole It is connected to exhaust outlet, gas enters the first rodless cavity by the first working hole, so that 7 front cover of first piston, 3 direction be pushed to move Dynamic, the gas in the first rod chamber is discharged by the second working hole, exhaust outlet at this time, is additionally provided with muffler 37, noise reduction on rear cover 4 Device 37 is connected to exhaust outlet, to reduce noise when gas discharge, so that noise is small when pressurization pump work.
When first piston 7 is moved at front cover 3, first piston 7 offsets with the second thimble 18, to push the second thimble 18 drive the second buffering plug 16 to compress the movement of second spring 32 is located in valve chamber at this time so that the second interface channel be made to open The air of the bottom end of valve rod 12 is discharged outside to through interface channel, so that being located at the gas push valve rod on 12 top of valve rod in valve chamber 12 is mobile, and air inlet and the first working hole is separated at this time, and the first working hole is connected to exhaust outlet, and air inlet and second works It is connected between mouthful, gas enters the first rod chamber by the second working hole, the first snorkel 19, air cavity at this time, to push the One piston 7 is mobile to 4 direction of rear cover, and first piston 7 is driven to recycle above-mentioned movement, realizes and moves back and forth.
When first piston 7 moves back and forth, first piston 7 drives second piston 9 equally to move back and forth by piston rod 8, Liquid enters the second rodless cavity through inlet 21, and when liquid enters, the first steel ball of liquid-driving 29 compresses the first spring 31 and moves It is dynamic, so that inlet 21 is opened, convenient for entering in the second rodless cavity through inlet 21, by the way that second spring 32 is arranged, so that the It abuts even closer between one steel ball and inlet 21, avoids liquid reflux, piston rod 8 is equipped with to be cooperated with feed pathway 25 It is pressurized lid 26 and supercharging base 27, is pressurized between lid 26 and supercharging base 27 and is equipped with pressurized spring 28, is pressurized lid 26 in pressurized spring 28 Under the action of offset with the outlet of feed pathway 25 to block feed pathway 25, after liquid enters feed pathway 25, push and increase It is mobile that gland 26 compresses pressurized spring 28, so that feed pathway 25 be made to open, is connected between feed pathway 25 and the second rod chamber, Liquid in second rodless cavity enters the second rod chamber through feed pathway 25 again, by second piston 9 reciprocating motion process Middle to be pressurized to the liquid in the second rod chamber, to generate high pressure, the liquid after generating high pressure is again through 23 row of liquid outlet Out, second one-way valve 24 is provided at liquid outlet 23, second one-way valve 24 includes the second steel ball 33, the second positioning sleeve 34, third Spring 35 and the 4th spring 36,35 one end of third spring, which is supported, is set to end cap, and 35 other end of third spring, which supports, is set to the second positioning sleeve 34,36 one end of the 4th spring, which is supported, is set to the second positioning sleeve 34, and 36 other end of the 4th spring, which supports, is set to the second steel ball 33, the second steel ball 33 offset under the action of the 4th spring 36 with liquid outlet 23 to block liquid outlet 23, liquid through liquid outlet 23 be discharged when, First push the second steel ball 33 compression third spring 35 mobile, so that liquid outlet 23 is opened, so that liquid is discharged through liquid outlet 23 again, By the way that the 4th spring 36 is arranged, so that abutting even closer between the second steel ball and liquid outlet 23, liquid reflux, Er Qietong are avoided Setting pressurization lid 26, supercharging base 27 and pressurized spring 28 are crossed, so that when being pressurized to the liquid in the second rod chamber, second Liquid in rod chamber may not flow into the second rodless cavity.
As the fluid pressure in the second rod chamber increases, the reciprocating motion speed of first piston 7 also slows down therewith, when the When active force suffered by fluid pressure and first piston 7 in two rod chambers balances each other, 7 stop motion of first piston, when second When no matter which kind of reason causes decline, first piston 7 can act again, until in the second rod chamber for fluid pressure in rod chamber Fluid pressure balance each other with active force suffered by first piston 7, to ensure that the output pressure of liquid outlet 23 is constant, work as pressure After dynamic balance is established, booster pump is automatically stopped, and without noise, does not consume the energy, more environmentally friendly.
Gas-liquid booster pump in the utility model is filled on tank machine for refrigerant, and liquid is refrigerant in the present embodiment, because This first cylinder barrel 1 and the second cylinder barrel 2 all select to be manufactured with stainless steel and aluminum alloy materials, make product will not be because of humidity and refrigerant Gas and generate phenomena such as getting rusty, chemically reacting, and select to keep cylinder close at work with wear-resisting, cold-resistant, oil resistant sealing element Sealing will not be cold because of high-frequency, and chemical reaction etc. deforms, is damaged, to guarantee the service life of booster pump.
The utility model can be accordingly adjusted by adjusting input air pressure, output fluid pressure, accomplish variable speed, be led to Cross and reversal valve 11 be set in rear cover 4, avoid the placement of external reversal valve 11, thus make gas circuit directly in rear cover 4 into Row work works quick stable, and air inlet unidirectionally carries out, and first piston 7 and second piston 9 can be made back and forth to be transported Dynamic, easy to operate, gas-powered first piston 7 moves, and is not required to additional online lubricating pipe, has saved operating cost, and Pollution of the mist of oil to ambient enviroment and the injury to human body are avoided, furthermore by being respectively provided at inlet 21 and liquid outlet 23 To idea, so that liquid will not flow back because of high pressure, safety when use ensure that.
The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.

Claims (10)

1. a kind of gas-liquid booster pump, including the first cylinder barrel (1) and the second cylinder barrel (2) connecting with the first cylinder barrel (1), feature exists In: described first cylinder barrel (1) one end is connected with front cover (3), and the first cylinder barrel (1) other end is connected with rear cover (4), and described Two cylinder barrels (2) are connect by front cover (3) with the first cylinder barrel (1), are equipped with first piston chamber (5) in first cylinder barrel (1), described Second piston chamber (6) are equipped in second cylinder barrel (2), first piston (7) and piston rod (8) are equipped in the first piston chamber (5), Second piston (9) are equipped in the second piston chamber (6), described piston rod (8) one end is connect with first piston (7), the work Stopper rod (8) other end passes through front cover (3) and protrudes into second piston chamber (6) to be connect with second piston (9), and first piston (7) is by the One plunger shaft (5) is divided into the first rod chamber and the first rodless cavity, is equipped with reversal valve (11) in the rear cover (4), the commutation Valve chamber is equipped in valve (11), reversal valve (11) is equipped with air inlet, the first working hole, the second working hole and the row being connected to valve chamber Port, the valve chamber is interior to be equipped with valve rod (12), and the air inlet leads directly at valve chamber the top for being located at valve rod (12), the rear cover (4) the first interface channel is equipped in, the air inlet is connected to valve chamber, the first interface channel and valve chamber by the first interface channel Connectivity part is located at the bottom end of valve rod (12);The first buffer is equipped at first interface channel, first buffer includes First buffering plug (13) and the first buffer spring (14), described first buffer spring (14) one end, which is supported, is set to rear cover (4), described First buffer spring (14) other end, which supports, is set to the first buffering plug (13), and first buffering plug (13) is in the first buffering elastic It offsets under the action of spring (14) with the first interface channel to block the first interface channel, first buffering plug (13) is separate One end of first buffer spring (14) is equipped with the first thimble (15), and first thimble (15) is protruded into the first rodless cavity with first Piston (7) cooperation;First working hole is connected to the first rodless cavity, and it is logical that first is equipped between the front cover (3) and rear cover (4) Tracheae (19) and the second snorkel (20), the front cover (3) is interior to be equipped with the air cavity being connected to the first rod chamber, second work Mouth is connected to the air cavity of front cover (3), the valve chamber and the second snorkel (20) of the reversal valve (11) by the first snorkel (19) The connectivity part of connection, the second snorkel (20) and valve chamber is located at the bottom end of valve rod (12);It is equipped in the front cover (3) and leads to second The second interface channel that tracheae (20) is in communication with the outside is equipped with the second buffer at second interface channel, and described second is slow Rushing device includes the second buffering plug (16) and the second buffer spring (17), and described second buffer spring (17) one end, which is supported, is set to front cover (3), the second buffer spring (17) other end, which supports, is set to the second buffering plug (16), and second buffering plug (16) is the It offsets under the action of two buffer springs (17) with the second interface channel to block the second interface channel, the second buffering plug (16) one end far from the second buffer spring (17) is equipped with the second thimble (18), and second thimble (18) protrudes into the first rod chamber It is interior to cooperate with first piston (7);Described second cylinder barrel (2) one end is connect with front cover (3), and the second cylinder barrel (2) other end connects It is connected to end cap, second piston chamber (6) is divided into the second rod chamber and the second rodless cavity, set on the end cap by second piston (9) There is the inlet (21) being connected to the second rodless cavity, the first check valve with inlet (21) cooperation is additionally provided in the end cap (22), the second piston (9) is equipped with the feed pathway (25) for being connected to the second rod chamber and the second rodless cavity, the front cover (3) it is equipped with the liquid outlet (23) being connected to the second rodless cavity, the front cover (3) is equipped with second cooperated with liquid outlet (23) Check valve (24).
2. a kind of gas-liquid booster pump according to claim 1, it is characterised in that: the piston rod (8) is equipped with and feed liquor The pressurization lid (26) and supercharging base (27) of channel (25) cooperation are equipped with pressurization bullet between the pressurization lid (26) and supercharging base (27) Spring (28), the pressurization lid (26) offset under the action of pressurized spring (28) with the outlet of feed pathway (25) to lead to feed liquor Road (25) blocks.
3. a kind of gas-liquid booster pump according to claim 1, it is characterised in that: the area of section of valve rod (12) bottom end Greater than the area of section on valve rod (12) top.
4. a kind of gas-liquid booster pump according to claim 1, it is characterised in that: first check valve (22) includes first Steel ball (29), the first positioning sleeve (30), the first spring (31) and second spring (32), described first spring (31) one end are supported and are set to End cap, the first spring (31) other end, which supports, is set to the first positioning sleeve (30), and described second spring (32) one end, which is supported, is set to the One positioning sleeve (30), second spring (32) other end, which supports, is set to the first steel ball (29), and first steel ball (29) is second It offsets under the action of spring (32) with inlet (21) to block inlet (21).
5. a kind of gas-liquid booster pump according to claim 1, it is characterised in that: the second one-way valve (24) includes second Steel ball (33), the second positioning sleeve (34), third spring (35) and the 4th spring (36), described third spring (35) one end are supported and are set to End cap, third spring (35) other end, which supports, is set to the second positioning sleeve (34), and the 4th spring (36) one end, which is supported, is set to the Two positioning sleeves (34), the 4th spring (36) other end, which supports, is set to the second steel ball (33), and second steel ball (33) is the 4th It offsets under the action of spring (36) with liquid outlet (23) to block liquid outlet (23).
6. a kind of gas-liquid booster pump according to claim 1, it is characterised in that: be additionally provided with muffler on the rear cover (4) (37), the muffler (37) is connected to exhaust outlet.
7. a kind of gas-liquid booster pump according to claim 1, it is characterised in that: the front cover (3) and the first cylinder barrel (1) are even It meets place and is equipped with the first support ring (38) cooperated with piston rod (8) and the first dustband (39), the front cover (3) and the second cylinder barrel (2) junction is equipped with the second support ring (40) cooperated with piston rod (8) and the second dustband (41).
8. a kind of gas-liquid booster pump according to claim 7, it is characterised in that: the front cover (3) is equipped with first The first circlip (42) that pushing out ring (38) and the first dustband (39) are fixed, the front cover (3) are equipped with the second support ring (40) Fixed the second circlip (43) with the second dustband (41).
9. a kind of gas-liquid booster pump according to claim 1, it is characterised in that: the front cover (3) and rear cover (4) lead to respectively It crosses screw and support frame (44) is installed.
10. a kind of gas-liquid booster pump according to claim 1, it is characterised in that: the front cover (3) and rear cover (4) pass through Pull rod (10) connection.
CN201920082844.3U 2019-01-18 2019-01-18 A kind of gas-liquid booster pump Withdrawn - After Issue CN209483568U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920082844.3U CN209483568U (en) 2019-01-18 2019-01-18 A kind of gas-liquid booster pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920082844.3U CN209483568U (en) 2019-01-18 2019-01-18 A kind of gas-liquid booster pump

Publications (1)

Publication Number Publication Date
CN209483568U true CN209483568U (en) 2019-10-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920082844.3U Withdrawn - After Issue CN209483568U (en) 2019-01-18 2019-01-18 A kind of gas-liquid booster pump

Country Status (1)

Country Link
CN (1) CN209483568U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109854482A (en) * 2019-01-18 2019-06-07 宁波市爱托普气动液压有限公司 A kind of gas-liquid booster pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109854482A (en) * 2019-01-18 2019-06-07 宁波市爱托普气动液压有限公司 A kind of gas-liquid booster pump
CN109854482B (en) * 2019-01-18 2024-03-08 宁波市爱托普气动液压有限公司 Gas-liquid booster pump

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