KR20130093240A - Automatic pneumatic piston pumps - Google Patents

Abstract

PURPOSE: A pneumatic automatic piston pump is provided to increase air tightness drastically and to operate smoothly by minimizing a frictional resistance in a reciprocating motion from side to side. CONSTITUTION: A pneumatic automatic piston pump (1) comprises the following steps: pistons (4a, 4b, 4c) is installed inside multiple cylinders (2a, 2b, 2c) by using a connection rod (5) in order to round-exercise from side to side; pneumatic chambers (3a,3b) in which all kinds of driving sources including a pneumatic pressure, a steam, etc. are supplied to both sides alternatively are formed in two cylinders among the multiple cylinders; a hydraulic chamber (31) is formed in the rest one cylinder among the multiple cylinders in order to inhale and to discharge all kinds of fluids according to a reciprocating motion of the piston, and is enable to pump all kinds of the fluids; and the piston is comprised as a disk bowl shape of a symmetric type by using a material having an elongation ratio, an abrasion resistance, and a heat resistance.

Description

Pneumatic Automatic Piston Pumps {Automatic pneumatic piston pumps}

The present invention relates to a pneumatic automatic piston pump, and more particularly, using a compressed air, high pressure gas, high temperature and high pressure steam as a power source to reciprocate the piston unit to the left and right, as well as general oil, lubricating oil, It is possible to pump organic solvents, various chemicals, food, saturated steam, septic tank sewage, scales with liquids, and seals without the use of packings to maximize the durability of parts and to make it compact. The goal is to provide a pneumatic, automatic piston pump that delivers as much horsepower as possible.

The inventor of the present invention has been registered in advance patent application regarding a pneumatic type automatic piston pump that can pump various fluids using pneumatic pressure.

That is, Korean Patent No. 10-0719837 cross-flows and discharges compressed air into a cylinder to interlock a piston connected to a piston rod to continuously inhale and discharge high-viscosity liquids without vibration and noise. In particular, the hydraulic unit It is formed on one side of the pneumatic unit to maximize the pumping effect with quick response, and also relates to a pneumatic automatic piston pump that eliminates the inconvenience in appearance.

This is due to the pneumatic unit 2 driving the pistons 5 and 5 'by pneumatic pressure and the piston 5 and 5 " and the piston 5 " The hydraulic unit 3 for controlling the inflow and discharge of the liquid substance is integrally combined with the flanges 40 and 40 'through which the left and right sides are penetrated, the bolt 41 and the nut 42 of the long shaft, and the pneumatic unit 2 Couples the piston rod 6 so as to slide inside the cylinders 4, 4 ', 4 "coupled to the two side partitions 7, 7', and the piston rod 6 on both sides of the partition 7; Pneumatic chambers 8 and 8 'are formed inside the pistons 5 and 5' coupled to the springs, and springs are disposed outside the pistons 5 and 5 'to damp the pulsations and increase the speed during the reciprocating motion. 10 and the spring 10 to be elastically supported and fixed to the piston rod (6) by means of fixing means (11) to prevent detachment.

On the pneumatic chambers 8 and 8 ', the disk-type pushers 12 and 12' are elastically installed to slide toward the center portion via the tapered spring 10 'so as to be compatible with the pressure of the air compressor. (12) 12 'allows the valve rods 13 and 14 to be selectively pushed on the partition wall 7 so that the valve rods 13 and 14 are positioned on the partition wall 7 The valve 13a and 14a are coupled to the opening and closing operation in a reverse direction to each other while reciprocating from side to side to the support holder 20 of the valve holes 15 and 16 formed laterally, and the valve hole 15 ( 16, the air supply pipe 18 and the air discharge pipe 19 are connected to each other and communicate with each other by an orifice (17).

The hydraulic unit 3 has a piston 5 'coupled to the piston rod 6 protruding outward from the partition 7' and a piston 5 " inside the cylinder 4 " The hydraulic chambers 9 and 9 'are formed on both sides of the partition wall 7' by being fixedly coupled to the ends, and the suction wall 32 and the discharge pipe 33 are formed in the partition wall 7 'to allow the liquid to flow in and out. It is to be discharged, and between the suction pipe 32 and the discharge pipe 33 is installed a check valve 34, 35 with a spring (10a) is embedded, it is possible to continuously pump various liquids with a large discharge pressure without noise. In addition, the structure is simple, and the liquid water can be pumped at a high pressure, thereby replacing the expensive imported pump, and the inconvenience of having to install the hydraulic unit 3 separately by integrating the hydraulic unit 3 into the pneumatic unit 2. And there is no exposure of external connectors after installation, eliminating the risk of foot or water leakage. It was such that the invention provides an easy to effect.

However, such prior patents had to use various packings to prevent leakage of gas and fluids at the connection parts of the constituent members such as flange and cylinder connection part, piston outer end part, partition and cylinder inner peripheral part, and the packing is usually made of (synthetic) rubber material. Since it is manufactured as a high temperature fluid, it hardens to provide a sealing function when pumping high-temperature fluids, and as a result, the life cannot be shortened.In the case of the packing installed at the outer end of the piston, friction with the inner periphery of the cylinder Since the slide movement to the left and right will cause wear in a short time, its life was inevitably limited.

In addition, the piston that slides left and right in a plurality of pneumatic chambers formed inside the cylinder is a slide movement is performed by the air pressure flowing into one pneumatic chamber during the slide movement to the left and right, to transfer the fluid that requires a large horsepower When it is necessary to increase the size and capacity of the pump, as well as increase the space occupancy, the purchase cost is increased and the development of the pump to solve this was urgently desired.

Republic of Korea Patent No. 10-0719837

Accordingly, the pneumatic type automatic piston pump provided in the present invention is made of a piston without a piston, which slides from side to side in a cylinder, as well as a sealing portion where the components of the pump, such as a flange and a cylinder connecting portion, are interconnected. It is to provide a pneumatic type automatic piston pump to reduce cost and assembly, and to maximize the durability of the components.

In addition, the pneumatic type automatic piston pump of the present invention is to provide a pneumatic type automatic piston pump that can greatly increase the smoothness and smoothness of operation by minimizing the frictional resistance when the piston reciprocates from side to side.

In addition, the pump of the present invention has a plurality of air pressure applied to the piston even if the plurality of pistons installed on the pneumatic chamber of the pneumatic unit slides in any of the left and right directions when pumping various fluids in the hydraulic unit by the reciprocating motion of the piston. It is intended to provide a pump that can be effectively used in an industrial field that requires more pumping power by allowing the pump's piston to be applied in the same direction so that the overall volume of the pump can be miniaturized and a large horsepower can be obtained.

The pneumatic type automatic piston pump provided by the present invention is characterized in that the piston is configured in a disc bowl type using a material having excellent elongation, wear resistance, and heat resistance.

In addition, the piston is a bowl-shaped concave portion is formed, the outer end of the piston to have a wall portion, the wall portion is characterized in that it is made of thin plate using Teflon, copper, and other metal materials.

And the end of the cylinder is characterized in that the tapered shape to be fixed to the coupling ring groove formed in the flange and the partition connecting portion.

In addition, an air supply hole is formed in the connecting rod fixing the piston, and an air supply pipe is formed to communicate with the pneumatic chambers from the outside of the plurality of pneumatic chambers, so that when air is supplied to one of the pneumatic chambers selected from the plurality of pneumatic chambers It is characterized in that the air to be supplied to the opposite pneumatic chamber at the same time.

In addition, the fluid suction pipe and the discharge pipe connected to the hydraulic chamber are characterized in that the check valve using the tension spring and the valve body are installed respectively.

Pneumatic type automatic piston pump provided by the present invention is a high-temperature, high-pressure fluid, as well as general oil, lubricating oil, organic solvents, various chemicals, food, saturated steam, septic tank, septic tank, liquid using air pressure, high temperature and high pressure steam as a driving source Compatible pumps, such as scales,

The pumping force can be maximized while minimizing the volume of the device, thereby minimizing the space occupancy in which the pump is installed,

It is possible to maximize the sealing effect as well as the improvement of assembly performance and cost reduction by reducing the number of parts by not using the packing made of synthetic rubber etc. in the connecting parts that need sealing of each component.

In addition, the piston is composed of a bowl-type piston to maximize the sealing effect even when the piston reciprocates from side to side, and the sealing effect can be maintained as long as the wall of the piston is maintained, improving durability and life and increasing pumping power. It is a great invention which can greatly contribute to Edo, and the expected effect is great.

1 is a cross-sectional view showing the configuration of a conventional pneumatic automatic piston pump registered and registered by the inventor of the prior art
2 and 2a is a cross-sectional configuration and working state cross-sectional view showing a preferred embodiment of the pneumatic automatic piston pump provided in the present invention
Figure 3 is a cross-sectional view showing a preferred embodiment of the pneumatic automatic piston pump provided in the present invention, a cross-sectional view showing a connection configuration of the air supply pipe
Figure 4 is an enlarged cross-sectional view showing the configuration of the piston and the valve provided in the wall in the pneumatic automatic piston pump provided in the present invention
Figure 5 is an enlarged cross-sectional view of the sealing means of the connecting portion of the pneumatic automatic piston pump provided in the present invention
Figure 6 is an enlarged cross-sectional view for explaining some other embodiments of the sealing means of the connection portion of the pneumatic automatic piston pump provided by the present invention.
Figure 7 is an enlarged cross-sectional view of the configuration of the check valve provided on the hydraulic chamber side in the pneumatic automatic piston pump provided in the present invention

Prior to the detailed description of the technical spirit of the pneumatic automatic piston pump provided by the present invention, the present invention can be variously modified and have various embodiments, specific embodiments are illustrated in the drawings and the invention is carried out. It will be described in detail to the specific content for.

It should be understood, however, that it is not intended to be limited to the particular embodiments of the invention but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Hereinafter, a pneumatic automatic piston pump according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings, and the same name or the same reference numerals are denoted together for the components performing the same function in the detailed description.

On the other hand, in the drawings and detailed description showing and referring to the configuration and operation that can be easily recognized by those skilled in the art from a general pump is simplified or omitted.

Particularly, in the drawings and the detailed description of the drawings, detailed description and illustration of elements and structures of elements that are not directly related to the technical features of the present invention are omitted and only a technical structure related to the present invention is shown briefly .

In addition, although the size ratio between elements is somewhat different from each other in the drawing, or the size between components coupled to each other is differently expressed, the difference in representation on the drawings may be easily understood by those skilled in the art. Parts that can be understood are omitted.

The pneumatic type automatic piston pump 1 provided by the present invention is referred to as pneumatic (high pressure gas, high temperature and high pressure steam, etc.) on the pneumatic chambers 3a and 3b respectively formed in the plurality of cylinders 2a, 2b and 2c. And a plurality of pistons 4a and 4b to reciprocate from side to side, and the hydraulic chamber 31 connected to the pistons 4a and 4b by a connecting rod 5, respectively. A pneumatic type automatic piston pump (1) capable of pumping various fluids while simultaneously reciprocating left and right at the same time with the piston (4c) installed therein;

The piston (4a, 4b, 4c) is characterized by consisting of a disc bowl-type piston (bowl piston) using a good elongation, wear resistance, heat resistance, such as Teflon (trade name), copper (Cu).

In addition, the present invention is the air supply pipe (6a) which is in communication with the outside of the air supply hole 6 and the left and right pneumatic chamber (3a, 3b) on the connecting rod (5) connecting the piston (4a, 4b, 4c) It is characterized in that the pneumatic pressure is made to be supplied to the left and right pistons (4a, 4b) at the same time so that the pumping of greater horsepower can be performed.

In addition, the pneumatic automatic piston pump (1) of the present invention is characterized in that the sealing function can be performed without using a separate packing made of synthetic rubber, etc. in the connecting portion between the sealing member is made (sealing) do.

Referring to the preferred embodiment of the pneumatic type automatic piston pump 1 of the present invention having such configuration features in detail with reference to the accompanying drawings as follows.

2 and 2a is an overall cross-sectional view showing a preferred embodiment of the pneumatic automatic piston pump (1) provided in the present invention.

The pump 1 of the present invention fixes a plurality of cylinders 2a, 2b, 2c between the left and right flanges 7a, 7b using the long shaft bolt 8 and the nut 9.

The cylinders 2a, 2b, and 2c are pneumatic units 10 for supplying air or high pressure gas supplied from an air compressor, steam of high temperature and high pressure, and driving the plurality of pistons 4a and 4b at the pressure thereof, and The hydraulic unit 11 which drives the piston 4c in conjunction with the plurality of pistons 4a and 4b to control the inflow and discharge of various liquids is formed. Each of these cylinders 2a, 2b and 2c is left and right. Interposed between the flanges 7a and 7b and the left and right partitions 12a and 12b interposed therebetween, the bolts 7 and 7 are fixed by the bolts 8 and the nuts 9.

At this time, the connection portions of the flanges 7a, 7b and the cylinders 2a, 2b, 2c, the left and right partitions 12a, 12b, and the connection portions of the cylinders 2a, 2b, 2c are left and right ends of the cylinders 2a, 2b, 2c. The taper is processed into a taper type so as to be in close contact with each of the coupling ring grooves 13 and 14 having a rectangular cross section formed on the mating corresponding surfaces of the left and right flanges 7a and 7b and the partition walls 12a and 12b.

The left and right ends of the tapered cylinders 2a, 2b, and 2c may be configured to taper only the outer edge as shown in FIG. 5, and the inner edge may also be tapered as shown in FIG. 6. .

The cylinder (2a, 2b, 2c) is tapered in the outer or inner and outer ends are coupled to the coupling ring groove (13, 14) is pressed along the tapered surface provides a sure sealing effect without using the packing Done. In addition, since the packing is not used, various fluids such as steam and chemicals of high temperature and high pressure can also be used as a power source or a pumping object.

On the other hand, the piston (4a, 4b, 4c) is made of a bowl-type piston (4a, 4b, 4c) of the left and right split type.

In addition, the piston (4a, 4b, 4c) is made of a material using a material such as Teflon or copper. Such Teflon and copper have corrosion resistance, heat resistance, and abrasion resistance, and because they have high elongation, they are stretched even if they are worn, and maintain close adhesion with the inner wall surfaces of the cylinders (2a, 2b, 2c) to maximize the sealing effect. Can be.

The pistons 4a, 4b, and 4c are formed in the bowl type to form the recesses 15, and the wall portions 16 are formed to enclose the outer end of the recesses 15 to form the wall portions. The piston 4a, 4b, 4c reciprocates from side to side while the outer surface portion 16a of 16 is in close contact with the inner circumferential wall surface portion of the cylinders 2a, 2b, 2c. In addition, the piston body 17 may be assembled inside the concave inlet 15 using a metallic material such as aluminum, such that the left and right piston bodies 17 may be assembled by a screw type or the like.

The wall portion 16 of the pistons 4a, 4b, 4c is formed in an arc shape, and the wall portion 16 of the pistons 4a, 4b, 4c made of a material which is stretched when pneumatic or hydraulic pressure is applied to the pressure. By expanding to the outer edge portion to provide a more reliable sealing effect, even if the wall portion 16 is worn by long-term use it can be provided with a continuous sealing effect until the thickness of the wall portion 16 is exhausted due to wear. .

In addition, when air is alternately supplied to the plurality of pneumatic chambers 3a and 3b to the connecting rods 5 to which the pistons 4a, 4b and 4c are fixed, the pneumatic chambers 3a and 3b of either side Air supply holes 6 are formed so that air can be simultaneously supplied to the pneumatic chambers 3a and 3b on the opposite side, and when air is supplied to the pneumatic chambers 3b and 3b in the opposite direction, the air is in the opposite direction. At the same time to connect the air supply pipe (6a) to the outside of the cylinder (2a, 2b) in which the pneumatic chamber (3a, 3b) is formed so that a greater horsepower in the pump of the same capacity.

On the other hand, the pneumatic automatic piston pump (1) of the present invention having the above-described configuration features, as disclosed in the preceding domestic patent publication (registered patent No. 10-0719837), supplied from an air compressor (not shown) Connection rod 5 so that the pneumatic unit 10 slides inside the cylinders 2a, 2b, and 2c coupled to the left and right partitions 12a and 12b for supplying air, high pressure gas, and high pressure steam. And a pneumatic chamber (3a, 3b) to the inside of the piston (4a, 4b, 4c) coupled to the connecting rod (5) on both sides of the partition (12a, 12b).

On the pneumatic chambers 3a and 3b, the disc-shaped pushers 20 and 21 are slidably installed to the center side via springs 18 and 19 so as to be compatible with the pressure of the air compressor.

The pushers 20 and 21 may selectively push the valve rods 22 and 23 installed on the partition 12a. To this end, the valve rods 22 and 23 are coupled to a plurality of valve holes 24 and 25 formed laterally through the partition wall 12a to reciprocate the valve holes 24 and 25 from side to side. The left and right selectively open and close operation can be made.

The plurality of valve holes 24 and 25 formed in the partition wall 12a are connected to the air supply pipe 29 and the air discharge pipe 30, respectively, and the valve rods 22 coupled to the valve holes 24 and 25. The valves 27 and 28 of, 23 are configured to open and close in opposite directions.

The hydraulic unit 11 fixedly couples the piston 4c coupled to the connecting rod 5 protruding outward from the partition 12b and the piston 4c inside the cylinder 2c to allow various fluids to enter and exit. The hydraulic chamber 31 is formed.

The suction chamber 32 and the discharge tube 33 are respectively formed in the hydraulic chamber 31 so that the liquid can alternately inflow and discharge fluid to the left and right of the piston 4c of the hydraulic chamber 31. The check valves 36 and 37 using the tension spring 34 and the valve body 35 are provided in the (32) and the discharge pipe (33).

The check valves 36 and 37 using the tension spring 34 and the valve body 35 have a tension spring 34 as the tension spring 34 extends when fluid pressure is applied to the valve body 35 as shown in FIG. 7. Fluid flows in along the gap created in 34, and when the pressure drops, the tension spring 34 contracts and the gap is completely sealed by the wire contact of the wire rod constituting the tension spring 34 by vacuum in the hydraulic chamber 31. As the fluid is closed, the packing of synthetic rubber is not used, so that various fluids that change the properties of the packing, such as high temperature and high pressure fluids and chemicals, can be opened and closed.

On the other hand, the connecting rod 5 is formed in the slide hole 38 formed in the partitions (12a, 12b) during the slide movement to form a female screw hole (39) having an inner end tapered in order to maintain airtightness, The inner end of the nut 40 screwed to the female threaded hole 39 is also tapered to form a tapered shape of the female threaded hole 39 and the nut 40 when the slide hole 38 and the connecting rod 5 are engaged. The hermetic member 42 made of a material such as Teflon or copper having a fine diameter is wound inside the V-shaped hermetic space 41 formed in the section.

The airtight member 42 wound inside the airtight space 41 when the connecting rod 5 reciprocates the slide hole 38 of the partitions 12a and 12b from side to side by the airtight member 42 made of the fine yarns. ) Is pushed in the direction of movement of the connecting rod 5 due to frictional resistance to ensure a tight airtightness so that gas and fluid do not leak.

Pneumatic automatic piston pump 1 of the present invention can be configured as described above is the disc bowl 4a, 4b, 4c by using a material having good elongation, such as Teflon or copper, excellent corrosion resistance, wear resistance, heat resistance Consists of a bowl piston to maximize the sealing effect without the use of packing when the pistons 4a, 4b, 4c slide left and right in the cylinders 2a, 2b and 2c.

The sealing parts can be sealed without the use of packings, so the number of parts can be minimized, resulting in improved assembly performance and cost reduction effect when assembling the product.

In addition, an air supply hole 6 is formed on the connecting rod 5 connecting the pistons 4a, 4b, and 4c, and an air supply pipe 6a is formed to communicate with the outside of the pneumatic chambers 3a and 3b. It is characterized in that the pumping of a larger horsepower can be performed by simultaneously supplying to the left and right pistons 4a and 4b. The operation of the present invention having this configuration feature will be described in more detail below.

That is, the pistons 4a, 4b, and 4c used in the pneumatic type automatic piston pump 1 of the present invention have good elongation, and are manufactured in a disc bowl type using Teflon, a copper metal plate, etc. having corrosion resistance, abrasion resistance, heat resistance, and the like. Thus, the outer surface portion 16a of the wall portion 16 is in close contact with the inner circumferential wall surface portion of the cylinders 2a, 2b, and 2c so that the slide movement is performed, thereby obtaining a reliable sealing effect without interposing the packing. .

The wall portion 16 is configured to be tapered outwardly so that when the air pressure acts on the pistons 4a, 4b, and 4c, the wall portion 16 is opened by the air pressure in the outward direction so that the cylinders 2a, The adhesion between the inner circumferential wall surface of 2b and 2c is further enhanced, and the outer surface portion 16a of the wall portion 16 is in close contact with the cylinders 2a, 2b and 2c, and slides to move the material having wear resistance due to frictional resistance. Even if it is used, abrasion occurs in long-term use, but since the pistons 4a, 4b, and 4c are made of a material having elongation, the indentations of the pistons 4a, 4b, and 4c are made even if the outer surface portion 16a is worn. The air pressure acting on 15 allows the wall portion 16 to perform the slider movement while still keeping close contact with the inner circumferential wall surfaces of the cylinders 2a, 2b, and 2c.

That is, the pistons 4a, 4b, and 4c of the present invention can be used until the wall portion 16 is completely worn, and thus can have a long life. Even when pumping various chemicals that can change the properties of the rubber, the packing is hardened and the problem of losing the sealing function can be eliminated.

On the other hand, the piston (4a, 4b, 4c) is made of a disc bowl type of the left and right split type, the wall portion 16 of the piston (4a, 4b, 4c) is a cylinder ( 2a, 2b, 2c) to be in close contact with the inner peripheral wall can perform a sealing function smoothly.

In addition, the pump 1 of the present invention can significantly reduce the number of parts by sealing the parts to which the respective component members are connected without using a packing, thereby reducing cost and improving assembly properties, high temperature fluids, and various chemicals. It can also maximize the sealing effect when pumping the back,

For example, the connection portions of the cylinders 2a, 2b, 2c and the flanges 7a, 7b, the left and right partitions 12a, 12b, and the connection portions of the cylinders 2a, 2b, 2c are left and right ends of the cylinders 2a, 2b, 2c. Is tapered to make contact with the coupling ring grooves 13 and 14 of the left and right flanges 7a and 7b and the partitions 12a and 12b having a rectangular cross section, respectively, and then the bolts 8 and the nuts 9 having long axes. When tightening with a screw, the tapered machining surface formed at the end of the cylinder (2a, 2b, 2c) is pressed tightly in a state in which it is connected to the engaging ring grooves (13, 14). Even if tight sealing is achieved.

And the pump 1 of the present invention is a pneumatic chamber of any one side when air is alternately supplied to the plurality of pneumatic chambers 3a, 3b to the connecting rod 5 connecting the pistons 4a, 4b, 4c, respectively. At (3a, 3b), air can be simultaneously supplied to the opposite pneumatic chamber (3a, 3b) through the air supply hole (6) and the air supply pipe (6a), which can produce more horsepower than a pump of the same size. will be.

That is, when air is supplied to one side pneumatic chamber 3a of the plurality of pneumatic chambers 3a and 3b, the pneumatic pressure acts on the piston 4a by pneumatic pressure, and the pneumatic pressure is air formed in the connecting rod 5. It is also supplied to the pneumatic chamber 3b formed adjacently through the air supply pipe 6a piped outside the supply hole 6 or the pneumatic chambers 3a and 3b, so that the air pressure acts on both the pistons 4a and 4b so that the piston ( 4a, 4b) will be able to provide a large horsepower pumping force.

Although the technical spirit of the present invention has been illustrated and described in connection with a preferred embodiment as described above, the present invention is not limited to the configuration and operation as shown and described. That is, those skilled in the art will appreciate that many changes and modifications can be made to the present invention without departing from the spirit and scope of the appended claims. Accordingly, all such appropriate changes and modifications and equivalents may be resorted to, falling within the scope of the invention.

The pneumatic automatic piston pump provided by the present invention can reduce the generation of carbon dioxide by recycling waste energy sources such as high temperature and high pressure steam, and can be used for various fluids such as eliminating the consumption of electric energy sources such as motor pumps and chemicals. This is possible, it is possible to provide a pump of a large horsepower compared to the pumping capacity, it is possible to provide a reliable sealing effect without the use of packing, the ripple effect in the related industry is a great invention.

1: pump 2a, 2b, 2c: cylinder
3a, 3b: Pneumatic chamber 4a, 4b, 4c: Piston
5: connecting rod 6: air supply hole
6a: air supply line 7a, 7b: flange
8: bolt 9: nut
10: Pneumatic Unit 11: Hydraulic Unit
12a, 12b: bulkhead 13, 14: coupling ring groove
15: recessed part 16: wall part
16a: outer surface 17: piston body
18, 19: tapered spring 20, 21: disk pusher
22,23: valve rod 24,25: valve ball
27, 28: valve 29: air supply line
30: air discharge pipe 31: hydraulic chamber
32: suction pipe 33: discharge pipe
34: tension spring 35: valve body
36, 37: check valve 38: slide ball
39: female thread 40: nut
41: airtight space 42: airtight member

Claims (7)

Inside the plurality of cylinders, pistons are connected to each other to enable lateral reciprocating movement using connecting rods, and two cylinders of the plurality of cylinders are provided with pneumatic chambers in which various driving sources such as air pressure and steam are alternately supplied to both sides. In the cylinder of the remaining one of the plurality of cylinders, the hydraulic chamber is formed so that various fluids can be sucked and discharged in accordance with the reciprocating motion of the piston to pneumatic type automatic piston pump to pump various fluids;
The piston is a pneumatic type automatic piston pump, characterized in that configured using a material having elongation, wear resistance, heat resistance symmetrical disc bowl type.
The method of claim 1, further comprising:
The piston is a bowl-type concave portion is formed in which the bowl-type piston body is inserted, the pneumatic type automatic piston pump, characterized in that the outer end of the piston body has an arc-shaped wall portion.
The process of claim 1 or 2;
The piston wall portion is a pneumatic type automatic piston pump, characterized in that made of a plate-like plate using Teflon, copper, metal plate.
The method of claim 1, further comprising:
The end of the cylinder is formed in a tapered type pneumatic automatic piston pump characterized in that the pressure is fixed to the coupling ring groove formed in the flange and the partition connecting portion.
The method of claim 1, further comprising:
An air supply hole is formed in the connecting rod, and an air supply pipe communicating with each other outside the plurality of pneumatic chambers is formed so that air can be simultaneously supplied to the plurality of pneumatic chambers so that the plurality of pistons can move in one direction. Pneumatic automatic piston pump characterized in that.
The method of claim 1, further comprising:
And a check valve using a tension spring and a valve body, respectively, in the fluid suction pipe and the discharge pipe connected to the hydraulic chamber.
The method of claim 1, further comprising:
In the slide hole of the left and right partition walls guided when the connecting rod is slide movement, a female thread hole having an inner end is tapered is formed. P-type airtight space formed inside the slide ball and the nut is a pneumatic type automatic piston pump characterized in that the airtight member made of Teflon yarn, copper yarn having a fine diameter.

Images