CN111022294A - Piston type vacuum pump - Google Patents
Piston type vacuum pump Download PDFInfo
- Publication number
- CN111022294A CN111022294A CN201911337496.0A CN201911337496A CN111022294A CN 111022294 A CN111022294 A CN 111022294A CN 201911337496 A CN201911337496 A CN 201911337496A CN 111022294 A CN111022294 A CN 111022294A
- Authority
- CN
- China
- Prior art keywords
- pump body
- inner cavity
- vacuum pump
- pump
- air inlet
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/14—Provisions for readily assembling or disassembling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention provides a piston type vacuum pump which comprises a pump body, wherein an air inlet end and an air outlet end are arranged on the pump body, the air inlet end is communicated with an inner cavity of the pump body, the air outlet end is communicated with the inner cavity of the pump body, the inner cavity of the pump body is arranged along the vertical direction, an elastic plug body is arranged in the inner cavity of the pump body, the piston type vacuum pump further comprises a vertical driving mechanism, the elastic plug body moves up and down along the inner cavity of the pump body under the driving of the vertical driving mechanism, an eccentric wheel is driven to rotate through a driving motor, and the elastic plug body is driven to perform piston motion in the inner cavity of the pump body to suck air to generate negative pressure.
Description
Technical Field
The invention relates to the field of vacuum pumps, in particular to a piston type vacuum pump.
Background
The vacuum pump refers to a device or equipment for obtaining vacuum by pumping a pumped container by using a mechanical, physical, chemical or physicochemical method. In general, a vacuum pump is a device for improving, generating and maintaining a vacuum in a certain closed space by various methods. Vacuum pumps can be basically classified into two types, i.e., a gas trap pump and a gas transfer pump, according to the operating principle of the vacuum pump. It is widely used in metallurgy, chemical industry, food, electronic coating and other industries. The vacuum pump in the prior art has a complex structure and higher manufacturing cost.
Disclosure of Invention
The invention provides a piston type vacuum pump to solve the technical problems that a vacuum pump in the prior art is complex in structure and high in manufacturing cost.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a piston vacuum pump, includes the pump body, be equipped with the inlet end on the pump body and give vent to anger the end, the inlet end with the inner chamber of the pump body is linked together, give vent to anger the end with the inner chamber of the pump body is linked together, the inner chamber of the pump body sets up along vertical direction, be equipped with the elastic plug body in the inner chamber of the pump body, piston vacuum pump still includes vertical actuating mechanism, the elastic plug body is in follow under vertical actuating mechanism's the drive the inner chamber of the pump body reciprocates.
Further: the vertical driving mechanism comprises a connecting rod, a driving motor and an eccentric wheel, the driving motor is arranged on a fixed rack, an output shaft of the driving motor is fixedly connected with the eccentric wheel, one end of the connecting rod is hinged with the eccentric wheel, and the other end of the connecting rod is hinged with the upper end of the elastic plug body.
Further: the air inlet end is provided with an air inlet gasket, and the outlet end is provided with an air outlet gasket.
The piston type vacuum pump has the beneficial effects that the piston type vacuum pump has a simple structure, is convenient to install, maintain and has low manufacturing cost, and the eccentric wheel is driven to rotate by the driving motor so as to drive the elastic piston body to do piston motion in the inner cavity of the pump body to suck air to generate negative pressure.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view showing a structure of a piston type vacuum pump according to the present invention.
In the figure, the air inlet end 1, the air outlet end 2, the air outlet end 3, the elastic plug body 4, the connecting rod 5, the driving motor 6, the eccentric wheel 7, the air inlet gasket 8 and the air outlet gasket are arranged.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
As shown in fig. 1, the invention provides a piston vacuum pump, which comprises a pump body, wherein an air inlet end 1 and an air outlet end 2 are arranged on the pump body, the air inlet end 1 is communicated with an inner cavity of the pump body, the air outlet end 2 is communicated with the inner cavity of the pump body, the inner cavity of the pump body is arranged along a vertical direction, an elastic plug body 3 is arranged in the inner cavity of the pump body, the piston vacuum pump further comprises a vertical driving mechanism, and the elastic plug body 3 moves up and down along the inner cavity of the pump body under the driving of the vertical driving mechanism.
The vertical driving mechanism comprises a connecting rod 4, a driving motor 5 and an eccentric wheel 6, the driving motor 5 is arranged on a fixed rack, an output shaft of the driving motor 5 is fixedly connected with the eccentric wheel 6, one end of the connecting rod 4 is hinged with the eccentric wheel 6, and the other end of the connecting rod 4 is hinged with the upper end of the elastic plug body 3.
The air inlet end 1 is provided with an air inlet gasket 7, the outlet end is provided with an air outlet gasket 8, when the vacuum pump sucks air, the air inlet gasket 7 is opened, so that the air inlet end 1 is communicated with the inner cavity of the pump body, and the air outlet gasket 8 separates the air outlet end 2 from the inner cavity of the pump body; when the vacuum pump exhausts, the air inlet gasket 7 is closed, so that the air inlet end 1 is separated from the inner cavity of the pump body, and the air outlet gasket 8 enables the air outlet end 2 to be communicated with the inner cavity of the pump body.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. A piston vacuum pump, includes the pump body, its characterized in that: the piston type vacuum pump is characterized in that an air inlet end (1) and an air outlet end (2) are arranged on the pump body, the air inlet end (1) is communicated with an inner cavity of the pump body, the air outlet end (2) is communicated with the inner cavity of the pump body, the inner cavity of the pump body is arranged in the vertical direction, an elastic plug body (3) is arranged in the inner cavity of the pump body, the piston type vacuum pump further comprises a vertical driving mechanism, and the elastic plug body (3) is driven by the vertical driving mechanism to move up and down along the inner cavity of the pump body.
2. A piston vacuum pump as claimed in claim 1, wherein: the vertical driving mechanism comprises a connecting rod (4), a driving motor (5) and an eccentric wheel (6), the driving motor (5) is arranged on a fixed rack, an output shaft of the driving motor (5) is fixedly connected with the eccentric wheel (6), one end of the connecting rod (4) is hinged to the eccentric wheel (6), and the other end of the connecting rod (4) is hinged to the upper end of the elastic plug body (3).
3. A piston vacuum pump as claimed in claim 1, wherein: the air inlet end (1) is provided with an air inlet gasket (7), and the outlet end is provided with an air outlet gasket (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911337496.0A CN111022294A (en) | 2019-12-23 | 2019-12-23 | Piston type vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911337496.0A CN111022294A (en) | 2019-12-23 | 2019-12-23 | Piston type vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111022294A true CN111022294A (en) | 2020-04-17 |
Family
ID=70211643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911337496.0A Pending CN111022294A (en) | 2019-12-23 | 2019-12-23 | Piston type vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111022294A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610449A (en) * | 2020-12-22 | 2021-04-06 | 刘文香 | Vacuum pump with piston opening and closing control |
-
2019
- 2019-12-23 CN CN201911337496.0A patent/CN111022294A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610449A (en) * | 2020-12-22 | 2021-04-06 | 刘文香 | Vacuum pump with piston opening and closing control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200417 |