Vacuum pump with silencer

Abstract

The vacuum pump with the silencer comprises a vacuum pump body, a silencing assembly is arranged at the top of the vacuum pump body, and a cooling assembly is arranged at the top of the vacuum pump body; the silencing assembly comprises an air inlet annular plate fixedly installed at the top of the vacuum pump body, the air inlet annular plate is connected with the output end of the vacuum pump body, a silencing frame is fixedly installed at the top of the air inlet annular plate, a notch is formed in the top of the silencing frame, a silencing circular groove is formed in the bottom of the silencing frame, and a first square annular plate is fixedly installed at the bottom of the inner wall of the silencing frame. A clamping plate is slidably mounted in the silencing frame. According to the vacuum pump silencer, a worker can conveniently replace corresponding silencing cotton according to actual requirements through the arranged silencing assembly, so that the situation that the silencer cannot completely meet the requirements of different application scenes is prevented, and the using effect of the vacuum pump silencer is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum pump technical field, concretely relates to vacuum pump with muffler. BACKGROUND

[0002] The vacuum pump is a kind of mechanical equipment for extracting gas in sealed container to create low pressure environment lower than atmospheric pressure, to reduce the noise generated when vacuum pump operates, usually installs muffler at the exhaust end of vacuum pump.

[0003] When vacuum pump is used, staff needs to start vacuum pump body, and vacuum pump body injects gas into inlet pipe through exhaust end, gas passes through sound-absorbing frame in gas pipe, and gas enters sound-absorbing cotton from the air hole on sound-absorbing frame, and sound-absorbing cotton sound-absorbing discharge.

[0004] Because the material design and performance requirement of sound-absorbing cotton are different in different application scenarios, and sound-absorbing frame cannot replace sound-absorbing cotton, so that the muffler cannot completely meet the needs of different application scenarios, thereby reducing the use effect of vacuum pump muffler, and it is urgent to design vacuum pump with muffler to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing vacuum pump with muffler to solve the above-mentioned shortcomings in prior art.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] Including vacuum pump body, the vacuum pump body top is provided with sound-absorbing assembly, and the vacuum pump body top is provided with cooling assembly;

[0008] The sound-absorbing assembly includes the air inlet ring plate fixedly installed on the top of the vacuum pump body, the air inlet ring plate is connected with the output end of the vacuum pump body, the air inlet ring plate top is fixedly installed with sound-absorbing frame, the sound-absorbing frame top is provided with slot, the sound-absorbing frame bottom is provided with sound-absorbing round groove, the sound-absorbing frame inner wall bottom is fixedly installed with the first square ring plate, the sound-absorbing frame is slidably installed with the clamping plate, and the first square ring plate outer surface is provided with the second square ring plate.

[0009] Sound-absorbing assembly can be conveniently replaced with corresponding sound-absorbing cotton according to actual needs, so as to prevent the situation that muffler cannot completely meet the needs of different application scenarios, thereby increasing the use effect of vacuum pump muffler.

[0010] The bidirectional threaded rod is rotatably installed in the sound attenuation frame, and is threadedly connected with the clamping plate.

[0011] The anti-skid pad is fixedly installed on one side of the clamping plate.

[0012] The second square ring plate is provided with through grooves on four sides, and the sound attenuation cotton is sleeved on the outer surface of the second square ring plate.

[0013] The cooling assembly comprises a cooling frame, a cooling buckle, a top plate, a water-cooling circulation tank, a water inlet pipe and a water outlet pipe.

[0014] The cooling frame is provided with a cooling groove on the top thereof, the top plate is fixedly installed on the top of the cooling frame, the water-cooling circulation tank is fixedly installed on the top of the top plate, the water inlet pipe is fixedly connected between the cooling frame and the output end of the water-cooling circulation tank, and the water outlet pipe is fixedly connected between the cooling frame and the input end of the water-cooling circulation tank.

[0015] In the above technical solution, the vacuum pump with the sound attenuator has the following beneficial effects:

[0016] 1. The sound attenuation assembly can facilitate the replacement of the corresponding sound attenuation cotton according to actual needs, thereby preventing the situation that the sound attenuator cannot completely meet the requirements of different application scenarios, and thereby increasing the use effect of the vacuum pump sound attenuator.

[0017] 2. The semicircular lug can limit the second square ring plate through the semicircular groove, thereby improving the stability during replacement of the sound attenuation cotton.

[0018] 3. The cooling assembly can cool the heat generated during use of the sound attenuation cotton, thereby improving the service life of the sound attenuation cotton. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0020] Figure 1 A schematic diagram of the vacuum pump structure provided for an embodiment of the vacuum pump with a silencer according to this utility model.

[0021] Figure 2 A schematic diagram of the cooling assembly structure provided for an embodiment of the vacuum pump with a silencer according to this utility model.

[0022] Figure 3 A schematic diagram of the silencer assembly structure provided for an embodiment of the vacuum pump with a silencer according to this utility model.

[0023] Figure 4 A schematic diagram of the semi-circular protrusion structure provided for an embodiment of the vacuum pump with a silencer according to this utility model.

[0024] 1. Vacuum pump body; 2. Silencing assembly; 3. Cooling assembly; 4. Inlet ring plate; 5. Silencing frame; 6. Groove; 7. Silencing circular groove; 8. First square ring plate; 9. Clamping plate; 10. Second square ring plate; 11. Bidirectional threaded rod; 12. Knob; 13. Silencing buckle; 14. Guide plate; 15. Anti-slip pad; 16. Slide groove; 17. Semi-circular groove; 18. Semi-circular protrusion; 19. Spring; 20. Through groove; 21. Silencing cotton; 22. Outlet ring plate; 23. Cooling frame; 24. Cooling buckle; 25. Top plate; 26. Water-cooled circulation box; 27. Water inlet pipe; 28. Water outlet pipe; 29. ​​Cooling tank. Detailed Implementation

[0025] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0026] like Figures 1-4 As shown in the figure, the vacuum pump with a silencer provided in this embodiment of the present invention.

[0027] It includes a vacuum pump body 1, a noise reduction component 2 on the top of the vacuum pump body 1, and a cooling component 3 on the top of the vacuum pump body 1;

[0028] The silencing assembly 2 includes an inlet ring plate 4 fixedly installed on the top of the vacuum pump body 1. The inlet ring plate 4 is connected to the output end of the vacuum pump body 1. A silencing frame 5 is fixedly installed on the top of the inlet ring plate 4. The top of the silencing frame 5 has a slot 6, and the bottom of the silencing frame 5 has a silencing circular groove 7. A first square ring plate 8 is fixedly installed on the bottom of the inner wall of the silencing frame 5. A clamping plate 9 is slidably installed inside the silencing frame 5. A second square ring plate 10 is provided on the outer surface of the first square ring plate 8. According to actual needs, rotating the knob 12 drives the clamping plate 9 to move towards each other through the bidirectional threaded rod 11, so that the clamping plate 9 releases its clamping and fixing of the second square ring plate 10. Hold the second square ring plate 10 and remove it along with the silencing cotton 21 and replace it. After the silencing cotton 21 is replaced, refer to the above steps and hold the second square ring plate 10. The first square ring plate 8 is fitted onto the outer surface of the spring 19, which compresses the semi-circular protrusion 18. The semi-circular protrusion 18 limits the semi-circular groove 17 to the second square ring plate 10. Rotating the knob 12 drives the clamping plate 9 to move towards each other through the bidirectional threaded rod 11, so that the clamping plate 9 clamps and fixes the second square ring plate 10 through the anti-slip pad 15. The vacuum pump body 1 and the water-cooled circulation box 26 are started. The vacuum pump body 1 injects gas into the first square ring plate 8 and the second square ring plate 10 through the air inlet ring plate 4. The gas enters the sound-absorbing cotton 21 through the through groove 20 for sound absorption and is discharged from the air outlet ring plate 22. The water-cooled circulation box 26 injects cooling water into the cooling tank 29 through the water inlet pipe 27 to cool the sound-absorbing cotton 21. The cooling water enters the water-cooled circulation box 26 through the water outlet pipe 28 for secondary cooling circulation.

[0029] The silencing component 2 allows staff to easily replace the corresponding silencing cotton 21 according to actual needs, thereby preventing the silencer from failing to fully meet the needs of different application scenarios and thus increasing the effectiveness of the vacuum pump silencer.

[0030] Reference Figure 3 In this embodiment, a bidirectional threaded rod 11 is rotatably installed inside the noise-absorbing frame 5. The bidirectional threaded rod 11 is threadedly connected to the clamping plate 9. A knob 12 is rotatably installed on one side of the noise-absorbing frame 5. The knob 12 is connected to the bidirectional threaded rod 11. A noise-absorbing buckle 13 is fixedly installed on one side of the noise-absorbing frame 5. A guide plate 14 is fixedly installed inside the noise-absorbing frame 5. The guide plate 14 is slidably connected to the clamping plate 9.

[0031] An anti-slip pad 15 is fixedly installed on one side of the clamping plate 9. A sliding groove 16 is opened on one side of the first square ring plate 8. A semi-circular groove 17 is opened on one side of the second square ring plate 10. A semi-circular protrusion 18 is slidably installed in the sliding groove 16. A spring 19 is fixedly installed between the semi-circular protrusion 18 and the first square ring plate 8.

[0032] The semi-circular protrusion 18 can limit the second square ring plate 10 through the semi-circular groove 17, thereby improving the stability when replacing the sound-absorbing cotton 21.

[0033] The second square ring plate 10 has through grooves 20 on all four sides, and the outer surface of the second square ring plate 10 is covered with sound-absorbing cotton 21. An air outlet ring plate 22 is fixedly installed on one side of the sound-absorbing frame 5.

[0034] Reference Figure 2 The cooling assembly 3 in this embodiment includes a cooling frame 23, a cooling buckle 24, a top plate 25, a water-cooled circulation box 26, a water inlet pipe 27, and a water outlet pipe 28. The cooling frame 23 is located on the top of the sound-absorbing frame 5, and the cooling buckle 24 is fixedly installed on the four sides of the cooling frame 23.

[0035] The cooling component 3 can cool the heat emitted by the sound-absorbing cotton 21 during use, thereby improving the service life of the sound-absorbing cotton 21.

[0036] The top of the cooling frame 23 is provided with a cooling groove 29. The top plate 25 is fixedly installed on the top of the cooling frame 23. The water cooling circulation box 26 is fixedly installed on the top of the top plate 25. The water inlet pipe 27 is fixedly connected between the cooling frame 23 and the output end of the water cooling circulation box 26. The water outlet pipe 28 is fixedly connected between the cooling frame 23 and the input end of the water cooling circulation box 26.

[0037] Working principle: First, according to actual needs, rotate knob 12 to drive clamping plate 9 to move in opposite directions via bidirectional threaded rod 11, so that clamping plate 9 releases its clamping and fixing of second square ring plate 10. Hold second square ring plate 10 and remove it along with sound-absorbing cotton 21 and replace it. After the sound-absorbing cotton 21 is replaced, refer to the above steps, hold second square ring plate 10 and put it on the outer surface of first square ring plate 8. Spring 19 compresses semi-circular protrusion 18, and semi-circular protrusion 18 limits the second square ring plate 10 to semi-circular groove 17. Rotate knob 12 to drive clamping plate 9 via bidirectional threaded rod 11. 9 moves towards each other, so that clamping plate 9 clamps and fixes the second square ring plate 10 through anti-slip pad 15. The vacuum pump body 1 and water-cooled circulation box 26 are started. The vacuum pump body 1 injects gas into the first square ring plate 8 and the second square ring plate 10 through the inlet ring plate 4. The gas enters the sound-absorbing cotton 21 through the through groove 20 for sound absorption and is discharged from the outlet ring plate 22. The water-cooled circulation box 26 injects cooling water into the cooling tank 29 through the water inlet pipe 27 to cool the sound-absorbing cotton 21. The cooling water enters the water-cooled circulation box 26 through the water outlet pipe 28 for secondary cooling circulation.

[0038] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A vacuum pump with a silencer, comprising a vacuum pump body (1), characterized in that, The vacuum pump body (1) is provided with a noise reduction component (2) on top, and a cooling component (3) is provided on top of the vacuum pump body (1); The silencing assembly (2) includes an air inlet ring plate (4) fixedly installed on the top of the vacuum pump body (1). The air inlet ring plate (4) is connected to the output end of the vacuum pump body (1). A silencing frame (5) is fixedly installed on the top of the air inlet ring plate (4). A slot (6) is opened on the top of the silencing frame (5). A silencing circular groove (7) is opened on the bottom of the silencing frame (5). A first square ring plate (8) is fixedly installed on the bottom of the inner wall of the silencing frame (5). A clamping plate (9) is slidably installed inside the silencing frame (5). A second square ring plate (10) is provided on the outer surface of the first square ring plate (8).

2. The vacuum pump with a silencer according to claim 1, characterized in that, A bidirectional threaded rod (11) is rotatably installed inside the noise-absorbing frame (5). The bidirectional threaded rod (11) is threadedly connected to the clamping plate (9). A knob (12) is rotatably installed on one side of the noise-absorbing frame (5). The knob (12) is connected to the bidirectional threaded rod (11). A noise-absorbing buckle (13) is fixedly installed on one side of the noise-absorbing frame (5). A guide plate (14) is fixedly installed inside the noise-absorbing frame (5). The guide plate (14) is slidably connected to the clamping plate (9).

3. The vacuum pump with a silencer according to claim 1, characterized in that, An anti-slip pad (15) is fixedly installed on one side of the clamping plate (9). A sliding groove (16) is opened on one side of the first square ring plate (8). A semi-circular groove (17) is opened on one side of the second square ring plate (10). A semi-circular protrusion (18) is slidably installed in the sliding groove (16). A spring (19) is fixedly installed between the semi-circular protrusion (18) and the first square ring plate (8).

4. The vacuum pump with a silencer according to claim 1, characterized in that, The second square ring plate (10) has through grooves (20) on all four sides, and the outer surface of the second square ring plate (10) is covered with sound-absorbing cotton (21). The sound-absorbing frame (5) has an exhaust ring plate (22) fixedly installed on one side.

5. The vacuum pump with a silencer according to claim 1, characterized in that, The cooling assembly (3) includes a cooling frame (23), cooling clips (24), a top plate (25), a water-cooled circulation box (26), a water inlet pipe (27), and a water outlet pipe (28). The cooling frame (23) is located on the top of the sound-absorbing frame (5), and the cooling clips (24) are fixedly installed on the four sides of the cooling frame (23).

6. The vacuum pump with a silencer according to claim 5, characterized in that, The cooling frame (23) has a cooling groove (29) on its top. The top plate (25) is fixedly installed on the top of the cooling frame (23). The water-cooled circulation box (26) is fixedly installed on the top of the top plate (25). The water inlet pipe (27) is fixedly connected between the cooling frame (23) and the output end of the water-cooled circulation box (26). The water outlet pipe (28) is fixedly connected between the cooling frame (23) and the input end of the water-cooled circulation box (26).

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