CN221347161U - Pneumatic oilless vacuum pump - Google Patents
Pneumatic oilless vacuum pump Download PDFInfo
- Publication number
- CN221347161U CN221347161U CN202323338364.4U CN202323338364U CN221347161U CN 221347161 U CN221347161 U CN 221347161U CN 202323338364 U CN202323338364 U CN 202323338364U CN 221347161 U CN221347161 U CN 221347161U
- Authority
- CN
- China
- Prior art keywords
- vacuum pump
- pneumatic
- piston
- linear guide
- guide rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Abstract
The utility model provides a pneumatic oilless vacuum pump which comprises a piston pneumatic motor, a linear guide rod and a vacuum pump head. A crankshaft is arranged in a shell of the piston pneumatic motor, and a plurality of connecting rods are arranged at the upper part of a journal of the crankshaft; the transmission seat of the vacuum pump head is arranged on the shell of the piston pneumatic motor, a linear guide rod is arranged in the transmission seat, and the lower shaft hole of the linear guide rod is connected with the small end of the connecting rod for transmission; the cylinder body of the vacuum pump head is arranged outside the shell, an oil-free piston is arranged in the cylinder body, and the bottom of the oil-free piston is fixedly arranged at the top of the linear guide rod; the connecting rod of the piston pneumatic motor drives the vacuum pump head to work. The pneumatic oilless vacuum pump integrates the vacuum pump and the piston pneumatic motor, and has the advantages of simple structure, small volume and excellent explosion-proof performance.
Description
Technical Field
The utility model discloses a pneumatic oilless vacuum pump, and relates to the technical field of pneumatic.
Background
The currently used oil-free vacuum pump generally adopts a motor to drive and work, and cannot adapt to the explosion-proof requirement. In order to meet the explosion-proof requirement, a pneumatic oilless vacuum pump which has a small volume, a simple structure and is explosion-proof and oil-free in operation is needed.
Disclosure of Invention
The utility model aims to provide a pneumatic oilless vacuum pump which has a small volume, a simple structure and is explosion-proof and oil-free.
In view of the technical problems, the utility model provides a pneumatic oilless vacuum pump, which comprises a piston pneumatic motor, a linear guide rod and a vacuum pump head. A crankshaft is arranged in a shell of the piston pneumatic motor, and a plurality of connecting rods are arranged on the upper portion of a journal of the crankshaft. The transmission seat of the vacuum pump head is arranged on the shell of the piston pneumatic motor, a linear guide rod is arranged in the transmission seat, and the lower shaft hole of the linear guide rod is connected with the small end of the connecting rod for transmission. The cylinder body of the vacuum pump head is arranged outside the shell, and an oil-free piston is arranged in the cylinder body; the bottom of the oilless piston is fixedly arranged at the top of the linear guide rod, and the top of the cylinder body is provided with a cylinder cover.
Preferably, the oil-free piston of the vacuum pump head works in a double-acting mode, a lower cylinder cover is arranged at the lower portion of the cylinder body, a central hole is formed in the lower cylinder cover, and a rod body of the linear guide rod is arranged in the central hole.
Preferably, a sealing ring is provided in the central bore.
Based on the technical scheme, the utility model has at least one of the following beneficial effects:
1, the pneumatic oilless vacuum pump adopts the integrated design of a piston type pneumatic motor, can work in an oil-free manner, and has a simple and practical structure;
2, the piston type pneumatic motor can drive the vacuum pump head to work and simultaneously drive the vacuum pump head to work;
And 3, the oil-free piston of the vacuum pump head works in a double-acting mode, and the structure is compact. The explosion-proof performance is excellent.
Drawings
FIG. 1 is a schematic diagram of the operation of the pneumatic oilless vacuum pump of the present utility model.
Fig. 2 is a schematic diagram of the piston double action operation of the pneumatic oilless vacuum pump of the present utility model.
Description of the embodiments
The present utility model will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent.
As shown in fig. 1, a pneumatic oilless vacuum pump comprises a piston air motor 1, a linear guide rod 14 and a vacuum pump head 11. A crankshaft 3 is arranged in the housing 2 of the piston air motor 1, and four connecting rods 4 are arranged on the upper part of a journal 6 of the crankshaft 3. The transmission seat 13 of the vacuum pump head 11 is arranged on the shell 2 of the piston pneumatic motor 1, a linear guide rod 14 is arranged in the transmission seat 13, and a lower shaft hole 15 of the linear guide rod 14 is connected with a small head 16 of the connecting rod 4 for transmission. The cylinder 17 of the vacuum pump head 11 is arranged outside the shell 2, an oil-free piston 18 is arranged in the cylinder 17, and the bottom of the oil-free piston 18 is fixedly arranged at the top of the linear guide rod 14; the top of the cylinder 17 is provided with a cylinder head 19. As shown in fig. 2, the oil-free piston 18 of the vacuum pump head 11 works in a double-acting mode, a lower cylinder cover 20 is arranged at the lower part of the cylinder body 17, a central hole 21 is arranged on the lower cylinder cover 20, and a rod body of the linear guide rod 14 is arranged in the central hole 21; a seal ring 22 is provided in the center hole 21.
Thus, the embodiment of the utility model finishes the introduction.
While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.
Claims (3)
1. A pneumatic oilless vacuum pump comprising:
A crankshaft (3) is arranged in a shell (2) of the piston pneumatic motor (1), and a plurality of connecting rods (4) are arranged at the upper part of a journal (6) of the crankshaft (3);
The vacuum pump head (11) is characterized in that a transmission seat (13) of the vacuum pump head is arranged on a shell (2) of the piston pneumatic motor (1), a linear guide rod (14) is arranged in the transmission seat (13), and a lower shaft hole (15) of the linear guide rod (14) is connected with a small head (16) of the connecting rod (4) for transmission; the cylinder body (17) of the vacuum pump head (11) is arranged outside the shell (2), an oil-free piston (18) is arranged in the cylinder body (17), and the bottom of the oil-free piston (18) is fixedly arranged at the top of the linear guide rod (14); a cylinder cover (19) is arranged at the top of the cylinder body (17).
2. The pneumatic oilless vacuum pump of claim 1, wherein: the oil-free piston (18) of the vacuum pump head (11) works in a double-acting mode, a lower cylinder cover (20) is arranged at the lower portion of the cylinder body (17), a center hole (21) is formed in the lower cylinder cover (20), and a rod body of the linear guide rod (14) is arranged in the center hole (21).
3. The pneumatic oilless vacuum pump of claim 2, wherein: a sealing ring (22) is arranged in the central hole (21).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221347161U true CN221347161U (en) | 2024-07-16 |
Family
ID=
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110425105A (en) | A kind of linear motor plunger pump | |
| US4072210A (en) | Compressor | |
| CN221347161U (en) | Pneumatic oilless vacuum pump | |
| CN101737375A (en) | Top cylinder center oil-taking two-level sleeve cylinder | |
| CN201588837U (en) | Two-stage sleeve oil cylinder with oil intake on center of top cylinder | |
| CN209818241U (en) | Magnetic reciprocating piston compressor | |
| CN101956687A (en) | Double-acting piston pneumatic pump | |
| CN201162546Y (en) | High-efficiency energy-saving radial piston type pneumatic motor | |
| CN210769180U (en) | Piston water injection device | |
| CN215486956U (en) | Novel air cylinder | |
| CN2436689Y (en) | High-performance double-action hydraulic vane pump | |
| CN217926252U (en) | Novel high-pressure closed water seal structure | |
| CN213063854U (en) | Fluid compressor | |
| CN216950733U (en) | Novel air compression structure | |
| CN215213843U (en) | Air inlet piston assembly for piston type air compressor | |
| CN215256672U (en) | Piston rod structure of diaphragm compressor | |
| CN208718877U (en) | The plunger pair sealing structure of diaphragm type compressor | |
| CN213141248U (en) | Hydraulic pipeline structure of farmer top | |
| CN215805042U (en) | Series connection two-stage reciprocating pump | |
| CN220081675U (en) | Sliding valve rod sealing device in screw compressor | |
| CN215927751U (en) | Multi-section plunger | |
| CN220815933U (en) | Double-acting cylinder of liquid-driven circulating liquid-sealed compressor | |
| CN220319743U (en) | Magnetic drive plunger pump | |
| CN215890391U (en) | Double-connecting-rod structure for micro pump | |
| CN214274099U (en) | Double-stroke double-shaft cylinder for laser power chuck |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |