CN-122014558-A - Pneumatic booster pump

CN122014558ACN 122014558 ACN122014558 ACN 122014558ACN-122014558-A

Abstract

The pneumatic booster pump comprises a booster component, a driving component and a cooling component, wherein the booster component is used for boosting fluid to be boosted, the output end of the driving component is connected with the booster end of the booster component, the air inlet end of the driving component is externally connected with driving gas, the output end of the driving component can reciprocate by the driving gas so as to drive the booster end of the booster component to reciprocate, the cooling component comprises a first cooling pipeline and a first cooling cylinder, the first cooling cylinder is arranged on the peripheral surface of the booster end of the booster component, the first cooling cylinder comprises a first cooling cavity, the first cooling pipeline is communicated with the first cooling cavity, the first cooling pipeline is used for introducing cooling gas into the first cooling cavity, and the first cooling pipeline can be used for cooling gas circulation. Compared with the prior art, the application can efficiently dissipate heat and has higher supercharging efficiency by arranging the first cooling cylinder and the first cooling pipeline on the peripheral surface of the supercharging end of the supercharging assembly to be matched with the first cooling cylinder.

Inventors

TANG CHAO
FAN LIGONG
PENG QIDONG
XU HAOWEN

Assignees

维特力（深圳）流体工程有限公司
维特力(武汉)流体科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260320

Claims (10)

1. A pneumatic booster pump, comprising: A pressurizing assembly for pressurizing a fluid to be pressurized; the output end of the driving assembly is connected with the pressurizing end of the pressurizing assembly, the air inlet end of the driving assembly is externally connected with driving gas, and the output end of the driving assembly can reciprocate by virtue of the driving gas so as to drive the pressurizing end of the pressurizing assembly to reciprocate, so that the fluid to be pressurized is pressurized; The cooling assembly comprises a first cooling pipeline and a first cooling cylinder, the first cooling cylinder is arranged on the outer peripheral surface of the pressurizing end of the pressurizing assembly, the first cooling cylinder comprises a first cooling cavity, the first cooling pipeline is communicated with the first cooling cavity, the first cooling pipeline is used for introducing cooling gas into the first cooling cavity, and the first cooling pipeline can be used for cooling gas circulation.
2. The pneumatic booster pump of claim 1, wherein the booster assembly comprises a piston rod, a primary booster cylinder and a primary booster piston, the piston rod is movably accommodated in the primary booster cylinder, the piston rod is connected with the output end of the driving assembly, the primary booster cylinder is used for accommodating fluid to be boosted, the first cooling cylinder is sleeved on the outer circumferential surface of the primary booster cylinder, the primary booster piston is connected to the piston rod, and the primary booster piston is used for boosting the fluid to be boosted and discharging the fluid to be boosted from the primary booster cylinder after boosting the fluid to be boosted.
3. A pneumatic booster pump according to claim 2 wherein the booster assembly further comprises a secondary booster cylinder in communication with the primary booster cylinder and having a cross-sectional area smaller than that of the primary booster cylinder, and a secondary booster piston extending into the secondary booster cylinder, the secondary booster piston also being connected to the piston rod, the secondary booster piston being for boosting the fluid to be boosted and discharging the fluid to be boosted from the secondary booster cylinder after boosting the fluid to be boosted.
4. A pneumatic booster pump according to claim 3, wherein the cooling assembly further comprises a second cooling pipe and a second cooling cylinder, the second cooling cylinder is sleeved on the outer peripheral surface of the secondary supercharging cylinder, the second cooling cylinder comprises a second cooling cavity, one end of the second cooling pipe is communicated with the air outlet end of the first cooling cavity, the other end of the second cooling pipe is communicated with the second cooling cavity, and the driving gas after working can be discharged from the second cooling cavity.
5. The pneumatic booster pump of claim 2 further comprising a muffler disposed on an outer peripheral surface of the primary booster cylinder, the muffler in communication with the outlet end of the first cooling chamber.
6. A pneumatic booster pump according to claim 4, wherein the drive assembly comprises a drive cylinder for receiving the drive gas and a drive piston into which the piston rod extends, the drive piston being connected to the piston rod, the drive gas being for driving the drive piston to move within the drive cylinder.
7. A pneumatic booster pump according to claim 6 further comprising a reversing assembly comprising a reversing chamber for introducing the drive gas and a reversing piston disposed on the drive cylinder, the reversing chamber being communicable with the drive cylinder, the reversing piston being reciprocally movable within the reversing chamber by the drive gas and such that the drive gas can drive the drive piston from two opposite directions.
8. The pneumatic booster pump of claim 7, further comprising a first drive line and a second drive line, each for containing the drive gas, the drive cylinder comprising a first drive gas chamber and a second drive gas chamber, the reversing piston being switchable between a first position and a second position, the first drive line in communication with the first drive gas chamber to charge the drive gas to the first drive gas chamber when the reversing piston is in the first position, the drive gas driving the drive piston to move in a first direction, the second drive line in communication with the second drive gas chamber to charge the drive gas to the second drive gas chamber when the reversing piston is in the second position, the drive gas driving the drive piston to move in a second direction, the first direction and the second direction both extending in an axial direction of the drive cylinder, and the first direction being opposite the second direction.
9. The pneumatic booster pump of claim 8, wherein the drive assembly further comprises a first control valve stem and a second control valve stem, the reversing chamber comprises a first control air chamber, a second control air chamber, a first exhaust passage and a second exhaust passage, the second control air chamber is opposite to the reversing piston, the first exhaust passage is in communication with the second control air chamber, the second exhaust passage is in communication with the first drive air chamber or in communication with the second drive air chamber, the first control valve stem and the second control valve stem are both disposed on the drive cylinder, and the first control valve stem and the second control valve stem are both in communication with the drive cylinder, the second drive air chamber is in communication with the second exhaust passage when the drive piston moves in the first direction, the drive piston is operable to urge the first control valve stem into communication with the second control air chamber, thereby causing the drive gas to flow from the first control air chamber to the second drive air chamber and to switch from the first position to the second position, and the drive piston is urged from the second position to the second position.
10. A pneumatic booster pump according to claim 9, further comprising a connecting line, the first cooling line being connected to and in communication with the second cooling line by means of the connecting line, the second cooling line being in communication with the second exhaust passage.

Description

Pneumatic booster pump Technical Field The embodiment of the application relates to the technical field of supercharging equipment, in particular to a pneumatic booster pump. Background The pneumatic booster pump is a common booster device, and mainly comprises a driving cylinder, a driving piston, a booster cylinder and a booster piston. The driving cylinder is externally connected with an air compressor so as to introduce compressed air to drive the driving piston to move, and a piston rod is arranged between the driving piston and the pressurizing piston, so that the pressurizing piston can be linked with the driving piston. However, during operation of the pneumatic booster pump, the gas is severely compressed during the boosting process, the temperature of the gas is remarkably increased, and the friction between the booster piston and the inner wall of the booster cylinder also generates additional friction heat, so that the temperature rise is further increased. The booster piston and the booster piston are easy to deform at high temperature, the service life is shortened, and the booster efficiency is reduced. Based on this, some manufacturers put a cooling liner on the outside of the supercharged cylinder, and dissipate heat by heat exchange between the outer surface of the liner and air. The inventor finds that the existing pneumatic booster pump has at least the following problems in the process of realizing the creation of the invention that the cylinder sleeve is sleeved on the outer circumferential surface of the booster cylinder to dissipate heat, so that the heat dissipation effect is poor, and meanwhile, the exertion of the booster performance of the pneumatic booster pump is limited, so that the booster efficiency is limited. The above problems need to be solved. Disclosure of Invention The application aims to provide a pneumatic booster pump which has good heat dissipation effect and high boosting efficiency. In order to achieve the above purpose, the pneumatic booster pump provided by the application comprises a booster component, a driving component and a cooling component, wherein the booster component is used for boosting fluid to be boosted, the output end of the driving component is connected with the booster end of the booster component, the air inlet end of the driving component is externally connected with driving gas, the output end of the driving component can reciprocate by virtue of the driving gas so as to drive the booster end of the booster component to reciprocate, the cooling component comprises a first cooling pipeline and a first cooling cylinder, the first cooling cylinder is arranged on the peripheral surface of the booster end of the booster component, the first cooling cylinder comprises a first cooling cavity, the first cooling pipeline is communicated with the first cooling cavity, the first cooling pipeline is used for introducing cooling gas into the first cooling cavity, and the first cooling pipeline can be used for circulating the cooling gas. Compared with the prior art, the pneumatic booster pump provided by the application has the advantages that the first cooling cylinder is arranged on the outer peripheral surface of the booster end of the booster assembly, so that the booster end of the booster assembly is primarily cooled through heat exchange between the outer peripheral surface of the first cooling cylinder and air, and the first cooling pipeline is communicated with the first cooling cavity of the first cooling cylinder and is filled with cooling gas, so that the booster end of the booster assembly is further and efficiently cooled through heat exchange between the inner peripheral surface of the first cooling cylinder and the cooling gas. Therefore, the pneumatic booster pump provided by the application can efficiently dissipate heat of the booster end of the booster assembly by arranging the cooling assembly on the booster assembly, so that the working temperature of the booster end is in a proper range, the service life of the booster end of the booster assembly is prolonged, and meanwhile, the booster end can fully exert the booster performance, thereby effectively improving the booster efficiency. Specifically, the pressure boost subassembly includes piston rod, one-level pressure boost cylinder and one-level pressure boost piston, one-level pressure boost cylinder is used for the holding to wait to boost fluid, the piston rod movably holding in the one-level pressure boost cylinder, just the piston rod with drive assembly's output is connected, first cooling cylinder cover is established on one-level pressure boost cylinder's the outer peripheral face, one-level pressure boost piston connect in on the piston rod, one-level pressure boost piston is used for with wait to boost fluid pressure boost and will wait to boost fluid pressure boost back follow one-level pressure boost cylinder discharges. Specifically, the supercharging assembly furthe