CN219366313U

CN219366313U - Vortex vacuum pump

Info

Publication number: CN219366313U
Application number: CN202222801201.4U
Authority: CN
Inventors: 沈叶凯; 侯晨辉; 卓峰磊
Original assignee: Ningbo Baosi Energy Equipment Co Ltd
Current assignee: Ningbo Baosi Energy Equipment Co Ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-07-18
Anticipated expiration: 2032-10-24

Abstract

The application discloses vortex vacuum pump relates to vacuum pump technical field, increases the air input of vacuum pump. The vortex vacuum pump comprises a fixed vortex disc and an movable vortex disc, wherein the movable vortex disc is matched with the fixed vortex disc, the movable vortex disc can eccentrically move relative to the fixed vortex disc, at least two working cavities are formed between the fixed vortex disc and the movable vortex disc and are not communicated with each other, the fixed vortex disc is provided with at least two air inlets and at least two pressure relief holes, and each working cavity is communicated with at least one air inlet and at least one pressure relief hole.

Description

Vortex vacuum pump

Technical Field

The application relates to the technical field of vacuum pumps, in particular to a vortex type vacuum pump.

Background

The vortex vacuum pump is evolved from a vortex compressor, in the existing vortex vacuum pump structure, a working cavity of the vortex vacuum pump is formed by meshing and installing a pair of vortex plates with the same structure, a crankshaft drives a movable vortex plate to rotate around a main shaft, and meanwhile, the movable vortex plate moves horizontally relative to a fixed plate through an anti-rotation structure in the vortex vacuum pump, so that air suction, compression and air discharge of the vortex vacuum pump are realized.

The utility model patent with the application number of CN201810009342.8 discloses a full-meshing wall thickness-variable vortex vacuum pump, which comprises a fixed vortex, an movable vortex, an anti-rotation mechanism, a frame, a crankshaft and a motor, wherein the fixed vortex comprises a fixed vortex tooth socket, an exhaust port, an air suction port and a fixed vortex disc, the fixed vortex tooth socket comprises an inner side molded line and an outer side molded line, the fixed vortex tooth socket is formed by the inner side molded line and the outer side molded line of the fixed vortex tooth socket, and the air suction port is arranged at the tail end position of an outer ring of the fixed vortex tooth socket; the movable vortex comprises a movable vortex tooth and a movable vortex disk, wherein the movable vortex tooth comprises an inner meshing line and an outer meshing line.

The scroll vacuum pump with the structure has only one working cavity, the air inflow of the atmosphere of the scroll pump is small, and more air cannot be absorbed.

Disclosure of Invention

The purpose of the present application is to provide a scroll vacuum pump with a larger air absorption capacity.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: the utility model provides a vortex vacuum pump, includes quiet vortex dish and moves the vortex dish, move the vortex dish with quiet vortex dish mutually support, move the vortex dish relatively quiet vortex dish can carry out eccentric motion, quiet vortex dish with move and form at least two working chambers between the vortex dish just each other do not communicate between the working chamber, quiet vortex dish is equipped with two at least air inlets and two at least pressure release holes, every working chamber and at least one air inlet, at least one pressure release hole intercommunication.

Compared with the prior art, the advantage of this application lies in: the movable vortex disk and the static vortex disk are matched to form two or more working cavities, and compared with a vacuum pump with a single working cavity, the vacuum pump with the two or more working cavities absorbs more air quantity under the same volume and time, and the air inflow is large.

In some embodiments of the present application, the movable scroll is in an opposite fit with the fixed scroll, a first scroll groove and a second scroll groove are provided in the fixed scroll, the movable scroll is connected with a first scroll tooth and a second scroll tooth, the first scroll tooth is fit in the first scroll groove, the second scroll tooth is fit in the second scroll groove, and a gap between the first scroll tooth and the first scroll groove forms one working cavity; and a gap between the second vortex tooth and the second vortex groove forms the other working cavity. The fixed scroll and the movable scroll are matched to form two working cavities by adopting a double-molded line structure, so that the air inflow of the vacuum pump is increased.

In some embodiments of the present application, the fixed scroll is provided with two air inlets, the two air inlets are arranged in a central symmetry manner, one air inlet is communicated with the first scroll groove, and the other air inlet is communicated with the second scroll groove.

In some embodiments of the present application, two pressure relief holes are provided at a central position of the fixed scroll, one of the pressure relief holes is located in the first scroll groove, and the other pressure relief hole is located in the second scroll groove.

In some embodiments of the present application, the first scroll groove and the second scroll groove are arranged on the fixed scroll in a central symmetry manner.

In some embodiments of the present application, the first scroll wrap and the second scroll wrap are centrally symmetrically arranged on the orbiting scroll.

In some embodiments of the present application, a scroll structure is provided between the first scroll groove and the second scroll groove, and a first scroll air passage is provided at an end of the scroll structure.

In some embodiments of the present application, the first wrap end and the second wrap end are each provided with a second scroll duct.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic perspective view of a static scroll;

FIG. 3 is a schematic view of a three-dimensional structure of a movable scroll;

FIG. 4 is a schematic diagram showing the cooperation of a fixed scroll and an orbiting scroll;

fig. 5 is an assembled schematic view of the present application.

In the figure: 1. a movable scroll; 2. a fixed scroll; 3. an exhaust valve assembly; 4. a first scroll groove; 5. a second scroll groove; 6. a first scroll wrap; 7. a second scroll wrap; 8. a working chamber; 9. an air inlet; 10. a pressure relief hole; 11. a first scroll air duct; 12. a second scroll air duct; 13. an exhaust chamber; 14. an exhaust passage.

Detailed Description

The present application will be further described with reference to the specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present application, it should be noted that, for the azimuth terms such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present application and simplifying the description, and it is not to be construed as limiting the specific protection scope of the present application that the device or element referred to must have a specific azimuth configuration and operation, as indicated or implied.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms "comprises" and "comprising," along with any variations thereof, in the description and claims of the present application are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements that are expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1-5, a vortex vacuum pump comprises an movable vortex disc 1 and a fixed vortex disc 2, wherein the fixed vortex disc 2 is connected with an exhaust valve assembly 3, the movable vortex disc 1 is matched in the fixed vortex disc 2, the movable vortex disc 1 is matched with the fixed vortex disc 2 in an opposite-inserting way, and the movable vortex disc 1 can perform eccentric motion in the fixed vortex disc 2.

A first vortex groove 4 and a second vortex groove 5 are arranged in the fixed vortex disc 2, the movable vortex disc 1 is connected with a first vortex tooth 6 and a second vortex tooth 7, the first vortex tooth 6 is matched in the first vortex groove 4, the second vortex tooth 7 is matched in the second vortex groove 5, and a working cavity 8 is formed by a gap formed by the first vortex tooth 6 and the first vortex groove 4; the gap between the second scroll wrap 7 and the second scroll groove 5 forms another working chamber 8, the two working chambers 8 are not in communication.

The first vortex groove 4 and the second vortex groove 5 are arranged on the fixed vortex disc 2 in a central symmetry mode, and the first vortex tooth 6 and the second vortex tooth 7 are arranged on the movable vortex disc 1 in a central symmetry mode.

Two air inlets 9 are arranged on the outer wall of the fixed scroll 2, the two air inlets 9 are symmetrically arranged, one air inlet 9 is communicated with the first scroll 4, and the other air inlet 9 is communicated with the second scroll 5. Two pressure relief holes 10 are arranged at the center of the fixed scroll 2, one pressure relief hole 10 is positioned in the first scroll groove 4, and the other pressure relief hole 10 is positioned in the second scroll groove 5.

A vortex structure is arranged between the first vortex groove 4 and the second vortex groove 5, a first vortex air passage 11 is arranged at the end part of the vortex structure, and a second vortex air passage 12 is arranged at the end part of the first vortex tooth 6 and the end part of the second vortex tooth 7.

The fixed vortex plate 2 is internally provided with an exhaust cavity 13, two pressure relief holes 10 are communicated with the exhaust cavity 13, and the fixed vortex plate 2 is internally provided with an exhaust channel 14 communicated with the exhaust cavity 13. The exhaust chamber 13 has a valve port on which the exhaust valve assembly 3 is mounted.

The foregoing has outlined the basic principles, main features and advantages of the present application. It will be appreciated by persons skilled in the art that the present application is not limited to the embodiments described above, and that the embodiments and descriptions described herein are merely illustrative of the principles of the present application, and that various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined by the appended claims. The scope of protection of the present application is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a vortex vacuum pump, includes quiet vortex dish (2) and moves vortex dish (1), move vortex dish (1) with quiet vortex dish (2) mutually support, move vortex dish (1) relative quiet vortex dish (2) can carry out eccentric motion, its characterized in that: the static vortex disc (2) and the movable vortex disc (1) form at least two working cavities (8) and are not communicated with each other, the static vortex disc (2) is provided with at least two air inlets (9) and at least two pressure relief holes (10), and each working cavity (8) is communicated with at least one air inlet (9) and at least one pressure relief hole (10).

2. A scroll vacuum pump as claimed in claim 1, wherein: the movable vortex disc (1) is in opposite insertion fit with the fixed vortex disc (2), a first vortex groove (4) and a second vortex groove (5) are formed in the fixed vortex disc (2), the movable vortex disc (1) is connected with a first vortex tooth (6) and a second vortex tooth (7), the first vortex tooth (6) is matched with the first vortex groove (4), the second vortex tooth (7) is matched with the second vortex groove (5), and a gap formed by the first vortex tooth (6) and the first vortex groove (4) is a working cavity (8); the gap between the second vortex tooth (7) and the second vortex groove (5) forms the other working cavity (8).

3. A scroll vacuum pump as claimed in claim 2, wherein: the static vortex disc (2) is provided with two air inlets (9), the two air inlets (9) are arranged in a central symmetry mode, one air inlet (9) is communicated with the first vortex groove (4), and the other air inlet (9) is communicated with the second vortex groove (5).

4. A scroll vacuum pump as claimed in claim 2, wherein: two pressure relief holes (10) are formed in the center of the fixed scroll (2), one pressure relief hole (10) is located in the first scroll groove (4), and the other pressure relief hole (10) is located in the second scroll groove (5).

5. A scroll vacuum pump as claimed in claim 2, wherein: the first vortex groove (4) and the second vortex groove (5) are arranged on the fixed vortex disc (2) in a central symmetry mode.

6. A scroll vacuum pump as claimed in claim 5, wherein: the first vortex teeth (6) and the second vortex teeth (7) are arranged on the movable vortex disc (1) in a central symmetry mode.

7. A scroll vacuum pump as claimed in claim 2, wherein: a vortex structure is arranged between the first vortex groove (4) and the second vortex groove (5), and a first vortex air passage (11) is arranged at the end part of the vortex structure.

8. A scroll vacuum pump as claimed in claim 7, wherein: the end part of the first vortex tooth (6) and the end part of the second vortex tooth (7) are respectively provided with a second vortex air passage (12).