CN219412877U - Pressure maintaining device for pneumatic energy-saving booster oil pump - Google Patents
Pressure maintaining device for pneumatic energy-saving booster oil pump Download PDFInfo
- Publication number
- CN219412877U CN219412877U CN202320916625.7U CN202320916625U CN219412877U CN 219412877 U CN219412877 U CN 219412877U CN 202320916625 U CN202320916625 U CN 202320916625U CN 219412877 U CN219412877 U CN 219412877U
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- end cover
- piston
- shell
- cavity
- positioning rod
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- 238000007789 sealing Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 34
- 239000010720 hydraulic oil Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The utility model relates to a pressure maintaining device for a pneumatic energy-saving booster oil pump, which is characterized by comprising a shell, an upper end cover, a lower end cover, a piston, a positioning rod and a resetting device; the upper end cover is sealed at the upper end of the shell, the lower end cover is sealed at the lower end of the shell, the positioning rod is vertically arranged in the shell between the upper end cover and the lower end cover, the piston is arranged on the positioning rod in a sliding manner, and the piston divides the shell into an upper cavity and a lower cavity; the resetting device is arranged in the upper cavity and used for enabling the piston to slide towards the lower end cover, and an oil inlet cavity and an oil outlet cavity which are communicated with the lower cavity are arranged on the lower end cover. The utility model has the advantage of enabling the pneumatic energy-saving booster oil pump to continuously maintain pressure.
Description
Technical Field
The utility model relates to a pressure stabilizing device, in particular to a pressure stabilizing device for a pneumatic energy-saving booster oil pump.
Background
At present, most of hydraulic systems used in industry use electric energy as a power source, hydraulic oil with required pressure and flow is output by a motor driving a hydraulic pump body, the hydraulic pump has to always operate to output larger flow to achieve the purpose of pressure maintaining, and the excessive flow flows back to an oil tank through an overflow valve and a cooling device; in practical application, the execution structure is in a state of no energy consumption for most of the time, or in a static pressure maintaining state, no high-pressure oil is needed to generate flow, so that the energy consumption of the whole hydraulic system is very large, the consumed energy mainly enters hydraulic oil, the hydraulic oil is heated, the temperature of the hydraulic oil is increased, a cooling device is increased, the tightness of an integral oil way is damaged, and the service life of equipment is greatly reduced. The prior patent CN218266309U proposes a pneumatic energy-saving booster oil pump, which is characterized by comprising a cylinder body, a cylinder end cover, a cylinder piston, a piston rod, a first one-way valve, a second one-way valve, a pneumatic control valve, a reversing control valve and a pump body connecting seat; the pneumatic energy-saving booster oil pump has a pressure-losing moment when the oil cylinder piston works in a reversing way, so that the pressure-maintaining effect can be influenced.
Disclosure of Invention
In view of the above drawbacks, an object of the present utility model is to provide a pressure maintaining device for a pneumatic energy-saving booster oil pump capable of continuously maintaining the pressure of the pneumatic energy-saving booster oil pump.
The utility model has the technical content that the pressure maintaining device for the pneumatic energy-saving booster oil pump is characterized by comprising a shell, an upper end cover, a lower end cover, a piston, a positioning rod and a resetting device; the upper end cover is sealed at the upper end of the shell, the lower end cover is sealed at the lower end of the shell, the positioning rod is vertically arranged in the shell between the upper end cover and the lower end cover, the piston is arranged on the positioning rod in a sliding manner, and the piston divides the shell into an upper cavity and a lower cavity; the resetting device is arranged in the upper cavity and used for enabling the piston to slide towards the lower end cover, and an oil inlet cavity and an oil outlet cavity which are communicated with the lower cavity are arranged on the lower end cover.
In the pressure maintaining device for the pneumatic energy-saving booster oil pump, the reset device is an elastic component, the further elastic component is a reset spring, the reset spring is sleeved on the positioning rod, and a positioning sleeve is arranged between the reset spring and the positioning rod.
Sealing rings are respectively arranged between the further piston and the shell and between the further piston and the positioning rod.
Compared with the prior art, the utility model has the advantages that: when the pneumatic energy-saving booster oil pump works in reversing of the oil cylinder piston, the piston slides to the lower end cover through the reset device, so that hydraulic oil in the lower cavity is extruded, continuous pressure maintaining is realized, and the pressure loss phenomenon is avoided.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Description of the embodiments
As shown in fig. 1, the pressure maintaining device for the pneumatic energy-saving booster oil pump is characterized by comprising a shell 1, an upper end cover 2, a lower end cover 3, a piston 4, a positioning rod 5, a return spring 6, a positioning sleeve 7 and a sealing ring 8; the upper end cover 2 is encapsulated at the upper end of the shell 1, the lower end cover 3 is encapsulated at the lower end of the shell 1, the positioning rod 5 is vertically arranged in the shell 1 between the upper end cover 2 and the lower end cover 3, the piston 4 is slidably arranged on the positioning rod 5, and the piston 4 divides the shell 1 into an upper cavity 1.1 and a lower cavity 1.2; the return spring 6 is sleeved on the positioning rod 5, a positioning sleeve 7 is arranged between the return spring 6 and the positioning rod 5, a sealing ring 8 is respectively arranged between the piston 4 and the shell 1 and between the piston 4 and the positioning rod 5, and an oil inlet cavity 3.1 and an oil outlet cavity 3.2 which are communicated with the lower cavity 1.2 are arranged on the lower end cover 3.
The working principle of the utility model is that an oil inlet cavity 3.1 of the pressure maintaining device for the pneumatic energy-saving booster oil pump is communicated with an oil outlet hole 9.1 of the pneumatic energy-saving booster oil pump, and a one-way valve 9.2 is arranged in the oil outlet hole 9.1; when the pneumatic energy-saving booster oil pump works, pressurized oil enters the lower cavity 1.2 from the oil outlet 9.1 through the oil inlet cavity 3.1, the pressurized oil slides the piston 4 towards the upper end cover 2, meanwhile, the piston 4 compresses the return spring 6, pressurized oil flows out from the lower cavity 1.2 through the oil outlet cavity 3.2, when the pneumatic energy-saving booster oil pump works, hydraulic oil does not enter the lower cavity 1.2 from the oil outlet 9.1 through the oil inlet cavity 3.1 in the reversing way, and at the moment, the piston 4 slides towards the lower end cover 3 under the action of the return spring 6, so that hydraulic oil in the lower cavity 1.2 is extruded, and continuous pressure maintaining is realized.
Claims (4)
1. The pressure maintaining device for the pneumatic energy-saving booster oil pump is characterized by comprising a shell, an upper end cover, a lower end cover, a piston, a positioning rod and a resetting device; the upper end cover is sealed at the upper end of the shell, the lower end cover is sealed at the lower end of the shell, the positioning rod is vertically arranged in the shell between the upper end cover and the lower end cover, the piston is arranged on the positioning rod in a sliding manner, and the piston divides the shell into an upper cavity and a lower cavity; the resetting device is arranged in the upper cavity and used for enabling the piston to slide towards the lower end cover, and an oil inlet cavity and an oil outlet cavity which are communicated with the lower cavity are arranged on the lower end cover.
2. The pressure maintaining device for the pneumatic energy-saving booster oil pump according to claim 1, wherein the resetting device is an elastic component.
3. The pressure maintaining device for the pneumatic energy-saving booster oil pump according to claim 2, wherein the elastic component is a return spring, the return spring is sleeved on the positioning rod, and a positioning sleeve is arranged between the return spring and the positioning rod.
4. The pressure maintaining device for the pneumatic energy-saving booster oil pump according to claim 1, wherein sealing rings are respectively arranged between the piston and the shell and between the piston and the positioning rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320916625.7U CN219412877U (en) | 2023-04-22 | 2023-04-22 | Pressure maintaining device for pneumatic energy-saving booster oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320916625.7U CN219412877U (en) | 2023-04-22 | 2023-04-22 | Pressure maintaining device for pneumatic energy-saving booster oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219412877U true CN219412877U (en) | 2023-07-25 |
Family
ID=87207811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320916625.7U Active CN219412877U (en) | 2023-04-22 | 2023-04-22 | Pressure maintaining device for pneumatic energy-saving booster oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219412877U (en) |
-
2023
- 2023-04-22 CN CN202320916625.7U patent/CN219412877U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240125 Address after: 213177 No. 23 Zhailing Road, Gaomei Village, Qianhuang Town, Wujin District, Changzhou City, Jiangsu Province (3-230) Patentee after: Changzhou Zhongge Precision Machinery Co.,Ltd. Country or region after: China Address before: Room 103, Building 4, No. 200 Datong West Road, Niutang Town, Wujin District, Changzhou City, Jiangsu Province, 213168 Patentee before: Changzhou Zeye Technology Co.,Ltd. Country or region before: China |