CN201326590Y

CN201326590Y - Pneumatic reciprocating supercharger

Info

Publication number: CN201326590Y
Application number: CNU2008201702938U
Authority: CN
Inventors: 王绪和
Original assignee: SHAOXING CACL DIGITAL CONTROL SCIENCE AND TECHNOLOGY CO LTD
Current assignee: SHAOXING CACL DIGITAL CONTROL SCIENCE AND TECHNOLOGY CO LTD
Priority date: 2008-12-18
Filing date: 2008-12-18
Publication date: 2009-10-14
Anticipated expiration: 2018-12-18

Abstract

The utility model discloses a pneumatic reciprocating supercharger comprising a pneumatic cylinder and a hydraulic cylinder, wherein a middle connector of the pneumatic cylinder and the hydraulic cylinder is arranged between the pneumatic cylinder and the hydraulic cylinder, the hydraulic cylinder, the middle connector of the pneumatic cylinder and the pneumatic cylinder are communicated through a main shaft, a gas piston is arranged on one end of the main shaft which is located in the pneumatic cylinder, a liquid piston is arranged on one end of the main shaft which is located in the hydraulic cylinder, the other end of the hydraulic cylinder is communicated with a liquid inlet through a one-way valve which is arranged in the liquid inlet, the other end of the pneumatic cylinder is connected with a rear end cover of the pneumatic cylinder through a connecting screw bolt, an air inlet is arranged on the bottom of the rear end cover of the pneumatic cylinder, and a liquid outlet is arranged on the middle connector of the pneumatic cylinder and the hydraulic cylinder and is connected with the hydraulic cylinder through the one-way valve. The utility model aims at providing the pneumatic reciprocating supercharger which has high efficiency and rapid inverting and the characteristics of rapid inverting speed, compact structure and high supercharging efficiency.

Description

Pneumatic reciprocating type pressurized machine

Technical field

The utility model relates to a kind of pneumatic reciprocating type pressurized machine.

Background technique

At present, liquid or gas are increased to certain pressure, various ways can be arranged, as carrying out supercharging by modes such as electronic, mechanical energy or gas-powered, by gas-powered liquid is increased to certain pressure, modal structure is exactly a back and forth movement in the form of piston, by advancing row's mouthful check valve apparatus of installing, constantly with draws fluid, extrude from relief opening, reach the purpose of increased pressure, pneumatic supercharging has characteristics such as pressure is steady, efficient is high, safe, is particularly suitable for the application in the hazardous environment.

But, make piston have automatic back and forth movement, must realize by certain reversing arrangement, use more as electromagnetic induction commutation, commutation etc. by external mandril formula air operated reversing valve.

The electromagnetic induction commutation, the piston that generally is cylinder is equipped with magnet ring, the outside magnetic switch of installing of cylinder, mode perception position of piston by electromagnetic induction, and by control mechanism change air feed loop, reach the piston reciprocation cycle and carry out the purpose of supercharging, this device carries out the gas circuit commutation by external control mechanism, and speed is slower; And the position of electromagnetic induction switch will be adjusted repeatedly, just can find the maximum range ability of piston.

The commutation of external mandril formula air operated reversing valve, promptly be at the outside gas position limit switch of installing of reversing cylinder, after in piston is advanced, touching the gas position limit switch, former gas circuit structure changes, reach the purpose of commutation, there are the tracheae of many connections and at least three mouthfuls of five commutation pneumatic valves, independent gas position limit switch etc. in the cylinder outside of this device, and overall structure is more too fat to move; Its two owing to relate to relatively long tracheae pipeline, three mouthfuls of five parts such as commutation pneumatic valve in the gas exchange process, so commutating speed is slower, influences its efficient.

The model utility content

The purpose of this utility model is to provide a kind of pneumatic reciprocating type pressurized machine, and purpose is to provide a kind of high efficiency pneumatic reciprocating type pressurized machine of commutation fast, has that commutating speed is fast, a compact structure, characteristics that supercharging efficient is high.

In order to achieve the above object, the technical solution of the utility model is:

A kind of pneumatic reciprocating type pressurized machine comprises cylinder and fluid cylinder, and the gas-liquid cylinder intermediate connector is installed between cylinder and the fluid cylinder; Be communicated with by main shaft between fluid cylinder, gas-liquid cylinder intermediate connector and the cylinder, an end that is positioned at the main shaft of cylinder is equipped with gas piston, and an end that is positioned at the main shaft of fluid cylinder is equipped with liquid piston; The other end of fluid cylinder is connected by the one-way valve that is installed in liquid entering hole inside with liquid entering hole, and the other end of cylinder links to each other by connecting screw rod with the cylinder rear end cover, and cylinder rear end cover bottom is equipped with suction port; On the gas-liquid cylinder intermediate connector liquid outlet is installed, and is communicated with fluid cylinder by one-way valve.

Described cylinder rear end cover inside is equipped with inverting slideway, and the commutation slip pipe that matches and install with inverting slideway, and slideway is communicated with by one-way valve with suction port; Offer suction port in the cylinder in the cylinder rear end cover, connect relief opening, the commutation conduit; Suction port in the cylinder connects relief opening, and the commutation conduit is communicated with suction port and cylinder respectively.

Being connected between described gas-liquid cylinder intermediate connector and the cylinder is equipped with the gas position limit switch on the inwall, gas position limit switch spring is installed on the gas position limit switch; Being connected between cylinder rear end cover and the cylinder is equipped with the gas position limit switch on the inwall, gas position limit switch spring is installed on the gas position limit switch.

Described gas-liquid cylinder intermediate connector passes through the Sealing isolating seal with the joint that is positioned at its inner main shaft; The gas-liquid cylinder intermediate connector is connected by screw rod with fluid cylinder.

After adopting said structure, the beneficial effects of the utility model are: 1, commutating speed is fast, the inside and the commutation slip pipe that the gas position limit switch are directly installed on the both sides cylinder end piece are installed in the end cap of rear portion, make the required gas circuit of commutation the shortest, reached commutating speed faster, the reversing arrangement of external agency on year-on-year basis, its commutating speed improves greatly; 2, compact structure, changement no longer rely on external means, have advantages such as simple installation, simple to operate, conveniently moving; 3, supercharging efficient height, the whole pump housing are provided with three non-return devices altogether: import individual event valve, the unidirectional mechanism of piston, outlet one-way valve, liquid extrudes in the continuous unidirectional suction of the quilt round in service of cylinder, reaches higher supercharging efficient.

Description of drawings

Fig. 1 is an external structure schematic representation of the present invention;

Fig. 2 is the structural representation of main shaft portion of the present invention;

Fig. 3 is the structural representation of changement part of the present invention.

Embodiment

As shown in Figure 1 to Figure 3, a kind of pneumatic reciprocating type pressurized machine of the present utility model comprises cylinder 5 and fluid cylinder 2, between cylinder 5 and the fluid cylinder 2 gas-liquid cylinder intermediate connector 3 is installed; Be communicated with by main shaft 11 between fluid cylinder 2, gas-liquid cylinder intermediate connector 3 and the cylinder 5, an end that is positioned at the main shaft 11 of cylinder 5 is equipped with gas piston 15, and an end that is positioned at the main shaft 11 of fluid cylinder 2 is equipped with liquid piston 10; The other end of fluid cylinder 2 is connected by the one-way valve 9 that is installed in liquid entering hole 1 inside with liquid entering hole 1, and the other end of cylinder 5 links to each other by connecting screw rod 7 with cylinder rear end cover 6, and cylinder rear end cover 6 bottoms are equipped with suction port 8; Liquid outlet 4 is installed on the gas-liquid cylinder intermediate connector 3, and is communicated with fluid cylinder 2 by one-way valve 13.

Cylinder rear end cover 6 inside are equipped with inverting slideway 21, and the commutation slip pipe 17 that matches and install with inverting slideway 21, and slideway 21 is communicated with by one-way valve 18 with suction port 8; Offer suction port 25 in the cylinder in the cylinder rear end cover 6, connect relief opening 24,

commutation conduit

16,22; Suction port 25 in the cylinder connects relief opening 24, and

commutation conduit

16,22 is communicated with suction port 8 and cylinder 5 respectively.

Being connected between gas-liquid cylinder intermediate connector 3 and the cylinder 5 is equipped with gas position limit switch 20 on the inwall 26, gas position limit switch spring 19 is installed on the gas position limit switch 20; Being connected between cylinder rear end cover 6 and the cylinder 5 is equipped with gas position limit switch 23 on the inwall 27, gas position limit switch spring 28 is installed on the gas position limit switch 23.Gas-liquid cylinder intermediate connector 3 passes through Sealing 12 isolating seals with the joint that is positioned at its inner main shaft 11; Gas-liquid cylinder intermediate connector 3 is connected by screw rod 14 with fluid cylinder 2.

Described pneumatic reciprocating type pressurized machine, an integral body of forming by pneumatic reciprocating type cylinder 5 and fluid cylinder 2, its cylinder portion is equipped with the pneumatic jack bar, and (promptly the gas position limit switch 20,23), after external pressure gas enters from suction port 8, enter the either side of gas piston 15 in the cylinder 5, promoting gas piston 15 advances, gas position limit switch 23 is triggered when arriving front end, promote commutation slip pipe 17 and carry out the gas circuit commutation, so the exhaust rapidly of a side that originally promotes quilt, and opposite side inflation, cylinder carries out reciprocal motion.Inside, commutation slip pipe 17 that gas position limit switch 23 is installed in the both sides cylinder end piece also are installed in the end cap of rear portion, have the efficient that commutates faster.

The position of liquid entering hole 1 is equipped with an one-way valve 9 before fluid cylinder 2, when liquid moves at liquid piston 10 backward, produce vacuum chamber, liquid enters fluid cylinder 2 inside by the one-way valve 9 at liquid entering hole 1 place, after liquid piston 10 commutations, liquid piston 10 check configuration own can make liquid pass through liquid piston 10 on the one hand, and owing to the effect of import one-way valve 9, liquid can only advance and can not go out on the other hand; Commutate once more when moving at liquid piston 10 backward, liquid piston 10 check configuration own are closed, and the one-way valve 13 that forces the liquid pressurized that is inhaled into to pass through liquid outlet 4 extrudes, and reaches the purpose of supercharging, simultaneously, when liquid moves at liquid piston 10 backward, produce vacuum chamber, liquid enters fluid cylinder inside by one-way valve 9, so circulation, liquid is constantly sucked from liquid entering hole 1, extrudes from liquid outlet 4, obtains the delivery pressure of ratio in the size of air pressure.

Claims

1, a kind of pneumatic reciprocating type pressurized machine is characterized in that: comprise cylinder (5) and fluid cylinder (2), between cylinder (5) and the fluid cylinder (2) gas-liquid cylinder intermediate connector (3) is installed; Be communicated with by main shaft (11) between fluid cylinder (2), gas-liquid cylinder intermediate connector (3) and the cylinder (5), an end that is positioned at the main shaft (11) of cylinder (5) is equipped with gas piston (15), and an end that is positioned at the main shaft (11) of fluid cylinder (2) is equipped with liquid piston (10); The other end of fluid cylinder (2) is connected by being installed in the inner one-way valve (9) of liquid entering hole (1) with liquid entering hole (1), the other end of cylinder (5) links to each other by connecting screw rod (7) with cylinder rear end cover (6), and cylinder rear end cover (6) bottom is equipped with suction port (8); Liquid outlet (4) is installed on the gas-liquid cylinder intermediate connector (3), and is communicated with fluid cylinder (2) by one-way valve (13).

2, pneumatic reciprocating type pressurized machine as claimed in claim 1, it is characterized in that: described cylinder rear end cover (6) inside is equipped with inverting slideway (21), and the commutation slip pipe (17) that matches and install with inverting slideway (21), slideway (21) is communicated with by one-way valve (18) with suction port (8); Offer suction port (25) in the cylinder in the cylinder rear end cover (6), connect relief opening (24), commutation conduit (16,22); Suction port (25) in the cylinder connects relief opening (24), and commutation conduit (16,22) is communicated with suction port (8) and cylinder (5) respectively.

3, pneumatic reciprocating type pressurized machine as claimed in claim 1, it is characterized in that: being connected between described gas-liquid cylinder intermediate connector (3) and the cylinder (5) is equipped with gas position limit switch (20) on the inwall (26), gas position limit switch spring (19) is installed on the gas position limit switch (20); Being connected between cylinder rear end cover (6) and the cylinder (5) is equipped with gas position limit switch (23) on the inwall (27), gas position limit switch spring (28) is installed on the gas position limit switch (23).

4, pneumatic reciprocating type pressurized machine as claimed in claim 1 is characterized in that: described gas-liquid cylinder intermediate connector (3) passes through Sealing (12) isolating seal with the joint that is positioned at its inner main shaft (11); Gas-liquid cylinder intermediate connector (3) is connected by screw rod (14) with fluid cylinder (2).