CN210195947U - Air-driven type pressure pump - Google Patents
Air-driven type pressure pump Download PDFInfo
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- CN210195947U CN210195947U CN201921125913.0U CN201921125913U CN210195947U CN 210195947 U CN210195947 U CN 210195947U CN 201921125913 U CN201921125913 U CN 201921125913U CN 210195947 U CN210195947 U CN 210195947U
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Abstract
The utility model discloses an air-driven pressure pump, which comprises a pump body, a plunger, a piston, a spring, a one-way valve and a bearing seat; the middle of the upper part of the pump body is provided with a plunger hole, the upper end of a plunger is arranged in the plunger hole and can move up and down along the plunger hole, and the upper part of the plunger is provided with an annular groove; the piston is arranged in the inner cavity of the pump body, the side wall of the pump body is provided with an air inlet, an air outlet and an air outlet, the air inlet and the air outlet are positioned above the piston, and the air outlet is positioned below the piston; the piston is arranged on the plunger, the lower end of the piston is connected with the upper end of the spring, and the lower end of the spring is connected with the bottom of the pump body; two one-way valves are arranged on the side wall of the lower portion of the pump body and communicated with the plunger hole in the bottom of the pump body, and the lower end of the plunger is arranged in the plunger hole in the bottom of the pump body. The utility model has small volume, low cost, simple structure and convenient maintenance; the utility model discloses a gas drive air pressure pump does not have the electric spark, can be used for having inflammable and explosive liquid or gaseous place, and the security is good.
Description
Technical Field
The utility model relates to a gas drive type force (forcing) pump.
Background
The pneumatic booster pump is mainly applied to the industrial fields of high-pressure energy storage, high-pressure equipment pressure compensation, clamping of machine tool chucks and the like. The pressure of the air source is not high enough, and a pressure pump can be adopted no matter a machine or a testing device. The working principle is that low air pressure is utilized to drive one end of a piston with a larger area, and then one end of the piston with a smaller area is promoted to generate high pressure. The pressure pump with high reliability can greatly improve the production efficiency. However, the existing pressurizing pump has the following disadvantages: (1) the product is mainly concentrated in the field of medium and low pressure, and high-pressure and ultrahigh-pressure pressurizing pumps are few; (2) most of the pressurized hydraulic oil is mainly pressurized, and a few pressurizing pumps which use water as a pressurized medium are used; (3) the high-pressure and ultrahigh-pressure booster pumps have complex structures, more parts and low reliability. Therefore, a set of air-driven pressure pump with simple structure, convenient operation and high reliability is urgently needed to be developed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a small, with low costs, convenient operation, and the good air drive type force (forcing) pump of security.
The utility model adopts the technical scheme as follows: a gas-driven booster pump comprises a pump body, a plunger, a piston, a spring, a one-way valve and a bearing seat; the middle of the upper part of the pump body is provided with a plunger hole, the upper end of a plunger is arranged in the plunger hole and can move up and down along the plunger hole, and the upper part of the plunger is provided with an annular groove; the piston is arranged in the inner cavity of the pump body, the side wall of the pump body is provided with an air inlet, an air outlet and an air outlet, the air inlet and the air outlet are positioned above the piston, and the air outlet is positioned below the piston; the piston is arranged on the plunger, the lower end of the piston is connected with the upper end of the spring, and the lower end of the spring is connected with the bottom of the pump body;
two one-way valves are arranged on the side wall of the lower part of the pump body, the one-way valves are communicated with a plunger hole at the bottom of the pump body, and the lower end of a plunger is arranged in the plunger hole at the bottom of the pump body; hydraulic oil or water flows in from one check valve and out from the other check valve.
In the above-described air-driven booster pump, the pump body includes an upper pump body and a lower pump body, and the upper pump body and the lower pump body are connected by a bolt; the plunger hole on pump body upper portion sets up on last pump body, and the plunger hole setting of pump body bottom is equipped with the bearing frame on the lower pump body on the pump body down, and the bearing frame sets up the plunger hole top on the pump body down, and the bearing frame passes through the sealing washer with the lower pump body and seals.
In the above-mentioned air-driven type pressure pump, the cross-sectional area of the piston is 100-150 times of the cross-sectional area of the plunger hole at the bottom of the pump body; the diameter of the plunger hole on the upper part of the pump body is larger than that of the plunger hole on the bottom of the pump body.
In the above-described air-driven pressure pump, the pump body is made of stainless steel or aluminum alloy.
In the above-described air-driven booster pump, the plunger is coaxial with the pump body, the plunger hole, and the bearing block.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model has the advantages of small volume, simple structure, few moving parts and sealing parts and convenient maintenance;
2. the utility model can be used for various media such as water or oil according to the actual demand, and has good adaptability;
3. the utility model utilizes gas pressure to generate liquid pressure, and can be used in places with ultrahigh pressure and unimportant flow;
4. the utility model discloses a gas drive air pressure pump does not have the electric spark, can be used for having inflammable and explosive liquid or gaseous place, and the security is good.
Drawings
Fig. 1 is a schematic structural diagram of the piston of the present invention at an upper position.
Fig. 2 is a schematic structural view of the piston in the lower position according to the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the present invention comprises an upper pump body 9, a lower pump body 14, a plunger 1, a plunger hole 8, an air inlet 10, an air outlet 2, an air outlet 4, a piston 3, a spring 12, a check valve 7, and a bearing seat 5; go up the pump body 9 and pass through bolt 6 with lower pump body 14 and be connected, go up the middle plunger hole 8 that is equipped with of pump body 9, the upper end of plunger 1 sets up in plunger hole 8 to can reciprocate in plunger hole 8, plunger 1 upper portion is equipped with the annular groove, and plunger 1 removes the in-process in plunger hole 8, and when piston 3 was next, annular groove lower edge was located plunger hole 8 lower extreme below, can realize the intercommunication of air inlet 10, gas outlet 2 and pump body inner chamber. The piston 3 is arranged in the cavity 11 of the upper pump body, the piston 3 is arranged on the plunger 1, the lower end of the piston 3 is connected with the upper end of a spring 12, and the lower end of the spring 12 is connected with a lower pump body 14. The side wall of the upper pump body 9 is provided with an air inlet 10, an air outlet 2 and an air outlet 4; the inlet 10 and outlet 2 ports are located above the piston 3 and the exhaust port 4 is located below the piston.
The middle of the lower pump body 14 is provided with a plunger hole, the lower pump body 14 is symmetrically provided with two one-way valves 7, the one-way valves 7 are communicated with the plunger hole on the lower pump body 14, and hydraulic oil or water flows in from the left one-way valve 7 and flows out from the right one-way valve. The diameter of the plunger hole on the lower pump body 14 is smaller than that of the plunger hole on the upper pump body 14, a bearing seat 5 is arranged on the lower pump body 14, the bearing seat 5 and the lower pump body 14 are sealed through a sealing ring 11, and the bearing seat 5 is located above the plunger hole of the lower pump body 14. The plunger 1 is coaxial with the upper pump body 9, the lower pump body 9, the plunger hole 8 and the plunger hole 17.
The utility model discloses utilize piston 3 and plunger hole 17 big small area poor, the low pressure acts on 3 large tracts of land ends of piston, and output high-pressure gas end post consent 17 area is little, and 3 cross sectional areas of piston are 100 of plunger hole 17 cross sectional area on the lower pump body 14 and add 150 times, consequently, and driving gas pressure is very little, and force (forcing) pump output gas pressure can reach high pressure and superhigh pressure. The upper pump body 9 and the lower pump body 14 are made of stainless steel or aluminum alloy, the aluminum alloy pump body can be used for oil or non-corrosive media, and the stainless steel pump body can be used for water and most other liquids. The diameter of the plunger hole 8 on the upper pump body 9 is larger than that of the plunger hole 17 on the lower pump body 14.
When the medium that flows in is water, because there is the poor, the viscosity low grade shortcoming of lubricity of water on physical and chemical properties, produce high-speed rivers easily, arouse the erosion and wear, reach the inside leakage loss of component, consequently, the utility model discloses a lower pump body 14 plunger hole 17 diameter design is very little, the sealing member that uses is very little and the stroke distance of plunger 1 is also very little.
The working process of the air-driven type pressure pump comprises the following steps:
(1) when the utility model discloses when starting to work, in air got into pump body cavity 11 from air inlet 10, piston 3 moved down under gaseous effect, and piston 3 is at removal in-process compression spring 12, and piston 3 drives plunger 1 and moves down, and hydraulic oil or water flow into plunger hole 8 from the 14 left side check valve 7 of the lower pump body, and plunger 1 is through extrusion hydraulic oil or water, and produces high-pressure liquid and discharge from the 14 right side check valve 15 of the lower pump body, realizes first stroke.
(2) After the first stroke, the pressure in the cavity 11 of the upper pump body is increased, the gas pressure at the lower end of the piston 3 is discharged from the exhaust port 4, the pressure at the upper end of the piston 3 flows into the gas outlet 2 through the annular groove on the plunger 1 and is then discharged from the gas outlet 2, the pressure in the cavity 11 of the upper pump body is reduced, and the piston 3 drives the plunger 1 to move upwards under the action of the restoring force of the spring 12, so that the second stroke is realized.
(3) When gas continuously enters the cavity 11 of the pump body from the gas inlet 10, the gas-driven booster pump continuously repeats the step (1) and the step (2), thereby achieving the purpose of ultrahigh pressure.
Claims (5)
1. An air-driven type pressure pump characterized in that: comprises a pump body, a plunger, a piston, a spring, a one-way valve and a bearing seat; the middle of the upper part of the pump body is provided with a plunger hole, the upper end of a plunger is arranged in the plunger hole and can move up and down along the plunger hole, and the upper part of the plunger is provided with an annular groove; the piston is arranged in the inner cavity of the pump body, the side wall of the pump body is provided with an air inlet, an air outlet and an air outlet, the air inlet and the air outlet are positioned above the piston, and the air outlet is positioned below the piston; the piston is arranged on the plunger, the lower end of the piston is connected with the upper end of the spring, and the lower end of the spring is connected with the bottom of the pump body;
two one-way valves are arranged on the side wall of the lower part of the pump body, the one-way valves are communicated with a plunger hole at the bottom of the pump body, and the lower end of a plunger is arranged in the plunger hole at the bottom of the pump body; hydraulic oil or water flows in from one check valve and out from the other check valve.
2. The air-driven pressurizing pump according to claim 1, wherein: the pump body comprises an upper pump body and a lower pump body, and the upper pump body is connected with the lower pump body through a bolt; the plunger hole on pump body upper portion sets up on last pump body, and the plunger hole setting of pump body bottom is equipped with the bearing frame on the lower pump body on the pump body down, and the bearing frame sets up the plunger hole top on the pump body down, and the bearing frame passes through the sealing washer with the lower pump body and seals.
3. The air-driven pressurizing pump according to claim 1, wherein: the cross-sectional area of the piston is 100-150 times of that of the plunger hole at the bottom of the pump body; the diameter of the plunger hole on the upper part of the pump body is larger than that of the plunger hole on the bottom of the pump body.
4. The air-driven pressurizing pump according to claim 1, wherein: the pump body is made of stainless steel or aluminum alloy.
5. The air-driven pressurizing pump according to claim 1, wherein: the plunger is coaxial with the pump body, the plunger hole and the bearing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921125913.0U CN210195947U (en) | 2019-07-18 | 2019-07-18 | Air-driven type pressure pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921125913.0U CN210195947U (en) | 2019-07-18 | 2019-07-18 | Air-driven type pressure pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210195947U true CN210195947U (en) | 2020-03-27 |
Family
ID=69866775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921125913.0U Active CN210195947U (en) | 2019-07-18 | 2019-07-18 | Air-driven type pressure pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210195947U (en) |
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2019
- 2019-07-18 CN CN201921125913.0U patent/CN210195947U/en active Active
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