Vacuum pump with shock-absorbing and noise-reducing functions

Abstract

This utility model discloses a vacuum pump with vibration reduction and noise reduction functions, including a vacuum pump body, and a vibration damping base installed at the bottom of the vacuum pump body. The vibration damping base can reduce the vibration of the vacuum pump body during operation, thereby reducing the noise generated by the vibration of the vacuum pump body. A noise reduction shell is installed on the outside of the vacuum pump body, which can reduce the noise generated by the vacuum pump body during operation. An air filter device is installed at the air inlet of the vacuum pump body, which can filter the air entering the vacuum pump body. The air filter device consists of a filter device shell and a metal filter plate. The metal filter plate is inserted into the interior of the filter device shell through a filter plate insertion slot on the filter device shell. This structure makes the metal filter plate easy to disassemble and assemble, thereby facilitating quick cleaning of the metal filter plate.

Description

Technical Field

[0001] This utility model relates to the field of vacuum pump technology, specifically a vacuum pump with vibration reduction and noise reduction functions. Background Technology

[0002] A vacuum pump is a rotary variable volume gas transfer pump, including dry screw vacuum pumps, water ring pumps, reciprocating pumps, slide valve pumps, rotary vane pumps, Roots pumps, and diffusion pumps. It features high pumping speed over a wide pressure range and is widely used in industries such as metallurgy, chemical industry, food industry, and electronic coating.

[0003] For vacuum pumps used in factories, the gas being pumped contains impurities. When the vacuum pump is operating, the impurities can clog the filter screen, or the pumping force can be too strong, which can generate a lot of noise. Workers living in such a high-noise environment for a long time will suffer from physical and mental health problems. Utility Model Content

[0004] The purpose of this invention is to provide a vacuum pump with shock absorption and noise reduction functions to solve the problems in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a vacuum pump with shock absorption and noise reduction functions, comprising a vacuum pump body, a shock-absorbing base installed at the bottom of the vacuum pump body, a noise-reducing outer shell covering the outer side of the vacuum pump body, an air filter device installed at the air inlet of the vacuum pump body, the air filter device consisting of a filter device shell and a metal filter screen, the filter device shell being a hollow disc structure, with a connection port on each of the outer sides of the filter device shell, and a filter screen insertion slot in the middle of the filter device shell, the filter screen insertion slot communicating with the internal space of the filter device shell, the metal filter screen being inserted into the interior of the filter device shell through the filter screen insertion slot.

[0006] Preferably, an elastic pressure plate is fixed to the top surface of the filter device housing, and a protruding paddle is fixed to the elastic pressure plate.

[0007] Preferably, an arc-shaped handle is fixed to the top of the metal filter plate, the handle is in contact with the surface of the filter device housing, and the width of the handle is greater than the width of the filter plate insertion groove.

[0008] Preferably, the inner side of the filter device housing is fixed with limiting side plates located on both sides of the filter screen insertion groove.

[0009] Preferably, three protruding retaining strips are fixed on each of the two sides of the vacuum pump body. The noise reduction shell is a rectangular shell structure composed of a noise reduction shell one and a noise reduction shell two. The inner side of the noise reduction shell one is fixed with a retaining groove that mates with the retaining strips. Sound-absorbing sponge layers are fixed on the inner surfaces of both the noise reduction shell one and the noise reduction shell two. A retaining ring is fixed on the side of the noise reduction shell one, and a retaining pin that mates with the retaining ring is fixed on the side of the noise reduction shell two.

[0010] Preferably, the shock-absorbing base consists of a lower base plate, a shock absorber, a telescopic column, and an upper base plate, wherein the shock absorber and the telescopic column are fixed between the lower base plate and the upper base plate.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: The bottom of the vacuum pump body of this utility model is equipped with a shock-absorbing base, which can reduce the vibration of the vacuum pump body during operation, thereby reducing the noise caused by the vibration of the vacuum pump body. A noise-reducing shell is installed on the outside of the vacuum pump body, which can reduce the noise generated by the vacuum pump body during operation. An air filter device is installed at the air inlet of the vacuum pump body, which can filter the air entering the vacuum pump body. The air filter device consists of a filter device shell and a metal filter plate. The metal filter plate is inserted into the interior of the filter device shell through the filter plate insertion slot on the filter device shell. This structure makes the metal filter plate easy to disassemble and assemble, thereby facilitating quick cleaning of the metal filter plate.

[0012] After the metal filter screen is inserted into the housing of the filter device, it is fixed by an elastic pressure plate;

[0013] A curved handle is fixed to the top of the metal filter screen. The handle fits against the surface of the filter device housing. The width of the handle is greater than the width of the filter screen insertion slot. The handle is used to hold the metal filter screen and also to enhance the airtightness between the metal filter screen and the filter device housing.

[0014] Two limiting side plates inside the filter housing are used to keep the inserted metal filter screen in a vertical position. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a schematic diagram of the overall external structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the air filtration device of this utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the filter device housing of this utility model;

[0019] Figure 4 This is a structural schematic diagram of the noise-reducing shell of this utility model;

[0020] Figure 5 This is a structural schematic diagram of the vacuum pump body and the shock-absorbing base of this utility model.

[0021] In the diagram: 1. Shock-absorbing base; 2. Noise-reducing housing; 3. Vacuum pump body; 4. Air filter device; 5. Locking strip; 6. Lower base plate; 7. Shock absorber; 8. Telescopic column; 9. Upper base plate; 10. Noise-reducing housing one; 11. Noise-reducing housing two; 12. Locking pin; 13. Locking ring; 14. Locking groove; 15. Sound-absorbing sponge layer; 16. Filter device housing; 17. Elastic pressure plate; 18. Filter screen insertion groove; 19. Metal filter screen; 20. Handle; 21. Limiting side plate. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0023] Please see Figure 1-5In this embodiment of the present invention, a vacuum pump with shock absorption and noise reduction functions includes a vacuum pump body 3, a shock-absorbing base 1 installed at the bottom of the vacuum pump body 3, a noise-reducing outer shell 2 covering the outer side of the vacuum pump body 3, and an air filter device 4 installed at the air inlet of the vacuum pump body 3. The air filter device 4 consists of a filter device shell 16 and a metal filter plate 19. The filter device shell 16 has a hollow disc-shaped structure, with a connection port on each of its outer sides. A filter plate insertion slot 18 is provided in the middle of the filter device shell 16, communicating with the internal space of the filter device shell 16. The metal filter plate 19 is inserted into the interior of the filter device shell 16 through the filter plate insertion slot 18. The vibration of the vacuum pump body 3 during operation can be reduced by the shock-absorbing base 1, thereby weakening the noise generated by the vibration of the vacuum pump body 3. A noise-reducing shell 2 is installed on the outside of the vacuum pump body 3, which can also reduce the noise generated by the vacuum pump body 3 during operation. An air filter device 4 is installed at the air inlet of the vacuum pump body 3. The air filter device 4 can filter the air entering the vacuum pump body 3. The air filter device 4 consists of a filter device shell 16 and a metal filter plate 19. The metal filter plate 19 is inserted into the interior of the filter device shell 16 through the filter plate insertion slot 18 on the filter device shell 16. This structure makes the metal filter plate 19 easy to install and remove, thus facilitating quick cleaning of the metal filter plate 19.

[0024] An elastic pressure plate 17 is fixed to the top surface of the filter housing 16, and a protruding lever is fixed to the elastic pressure plate 17.

[0025] An arc-shaped handle 20 is fixed to the top of the metal filter plate 19. The handle 20 fits against the surface of the filter device housing 16. The width of the handle 20 is greater than the width of the filter plate insertion groove 18. The handle 20 is used to hold the metal filter plate 19 and also to enhance the airtightness between the metal filter plate 19 and the filter device housing 16.

[0026] The inner side of the filter device housing 16 is fixed with limiting side plates 21 located on both sides of the filter screen insertion groove 18.

[0027] Three protruding retaining strips 5 are fixed on each side of the vacuum pump body 3. The noise reduction shell 2 is a rectangular shell structure composed of noise reduction shell 10 and noise reduction shell 2 11. The inner side of noise reduction shell 10 is fixed with a retaining groove 14 that mates with the retaining strips 5. The inner surfaces of noise reduction shell 10 and noise reduction shell 2 11 are both fixed with sound-absorbing sponge layers 15. A retaining ring 13 is fixed on the side of noise reduction shell 10, and a retaining pin 12 that mates with the retaining ring 13 is fixed on the side of noise reduction shell 2 11.

[0028] The shock-absorbing base 1 consists of a lower base plate 6, a shock absorber 7, a telescopic column 8, and an upper base plate 9. The shock absorber 7 and the telescopic column 8 are fixed between the lower base plate 6 and the upper base plate 9.

[0029] The working principle of this utility model is as follows: The bottom of the vacuum pump body 3 is equipped with a shock-absorbing base 1. The shock-absorbing base 1 can reduce the vibration of the vacuum pump body 3 during operation, thereby reducing the noise generated by the vibration of the vacuum pump body 3. The outer side of the vacuum pump body 3 is equipped with a noise-reducing shell 2. The noise-reducing shell 2 can reduce the noise generated by the vacuum pump body 3 during operation. An air filter device 4 is installed at the air inlet of the vacuum pump body 3. The air filter device 4 can filter the air entering the vacuum pump body 3. The air filter device 4 consists of a filter device shell 16 and a metal filter plate 19. The metal filter plate 19 is inserted into the interior of the filter device shell 16 through the filter plate insertion slot 18 on the filter device shell 16. This structure makes the metal filter plate 19 easy to disassemble and assemble, thereby facilitating quick cleaning of the metal filter plate 19.

[0030] After the metal filter screen 19 is inserted into the housing 16 of the filter device, it is fixed by the elastic pressure plate 17.

[0031] An arc-shaped handle 20 is fixed to the top of the metal filter plate 19. The handle 20 fits against the surface of the filter device housing 16. The width of the handle 20 is greater than the width of the filter plate insertion groove 18. The handle 20 is used to hold the metal filter plate 19. At the same time, the handle 20 is also used to enhance the airtightness between the metal filter plate 19 and the filter device housing 16.

[0032] Two limiting side plates 21 inside the filter housing 16 are used to keep the inserted metal filter screen 19 in a vertical position.

[0033] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A vacuum pump with vibration damping and noise reduction function, comprising a vacuum pump body (3), characterized in that: The bottom of the vacuum pump body (3) is equipped with a shock-absorbing base (1), and the outer side of the vacuum pump body (3) is covered with a noise-reducing shell (2). An air filter device (4) is installed at the air inlet of the vacuum pump body (3). The air filter device (4) consists of a filter device shell (16) and a metal filter plate (19). The filter device shell (16) is a hollow disc structure. There is a connection port on each side of the outer side of the filter device shell (16). A filter plate insertion slot (18) is opened in the middle of the filter device shell (16). The filter plate insertion slot (18) is connected to the internal space of the filter device shell (16). The metal filter plate (19) is inserted into the interior of the filter device shell (16) through the filter plate insertion slot (18).

2. A vacuum pump with vibration reduction and noise reduction function according to claim 1, characterized in that: An elastic pressure plate (17) is fixed on the top surface of the housing (16) of the filter device, and a protruding paddle is fixed on the elastic pressure plate (17).

3. A vacuum pump with vibration reduction and noise reduction function according to claim 1, characterized in that: The top of the metal filter plate (19) is fixed with an arc-shaped handle (20), which is in contact with the surface of the filter housing (16). The width of the handle (20) is greater than the width of the filter plate insertion groove (18).

4. A vacuum pump with vibration reduction and noise reduction function according to claim 1, characterized in that: The filter device housing (16) has a limiting side plate (21) fixed on the inside of the housing (16) on both sides of the filter screen insertion groove (18).

5. A vacuum pump with vibration reduction and noise reduction function according to claim 1, characterized in that: The vacuum pump body (3) has three protruding clips (5) fixed on each side. The noise reduction shell (2) is a rectangular shell structure composed of noise reduction shell one (10) and noise reduction shell two (11). The inner side of noise reduction shell one (10) is fixed with a slot (14) that cooperates with the clips (5). The inner surfaces of noise reduction shell one (10) and noise reduction shell two (11) are both fixed with a sound-absorbing sponge layer (15). The side of noise reduction shell one (10) is fixed with a retaining ring (13), and the side of noise reduction shell two (11) is fixed with a retaining pin (12) that cooperates with the retaining ring (13).

6. A vacuum pump with vibration reduction and noise reduction function according to claim 1, characterized in that: The shock-absorbing base (1) consists of a lower base plate (6), a shock absorber (7), a telescopic column (8), and an upper base plate (9). The shock absorber (7) and the telescopic column (8) are fixed between the lower base plate (6) and the upper base plate (9).

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