Noise reduction device of air compressor

Abstract

The utility model discloses an air compressor noise reduction device which comprises an air compressor noise reduction box, a fixing plate is fixedly arranged on the inner wall of the bottom of the air compressor noise reduction box, an air compressor body is arranged in the air compressor noise reduction box, and two first positioning plates are fixedly arranged at the two ends of the top of the fixing plate respectively. A sliding rod is fixedly arranged on the outer wall of the corresponding side of the first positioning plate, and a second positioning plate is fixedly arranged on the outer wall of the bottom of the air compressor body. The movable supporting rod arranged at the bottom of the second positioning plate is connected with the sliding sleeve, high-frequency vibration is generated in the working process of the air compressor body, the sliding sleeve rapidly slides on the outer wall of the sliding rod in a reciprocating mode, and the sliding amplitude and speed of the sliding sleeve are reduced in cooperation with the damping sleeve and the spring which are connected with the outer wall of the sliding rod in a sleeving mode. The vibration effect in the working process of the air compressor body is effectively reduced, and noise generated in the working process of the air compressor body is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of air compressors, in particular to a noise reduction device for air compressors. Background Art

[0002] When the piston of a piston air compressor moves to the right in the cylinder, the pressure in the left chamber of the piston in the cylinder is lower than the atmospheric pressure pa, the suction valve opens, and outside air is sucked into the cylinder. This process is called compression.

[0003] The existing air compressor will generate high-frequency vibration during operation, which will generate huge noise, affecting its working environment and causing poor communication effect in the working environment. In order to reduce the noise generated by the air compressor, we propose an air compressor noise reduction device. Utility Model Content

[0004] The purpose of the utility model is to provide an air compressor noise reduction device to solve the above-mentioned deficiencies in the technology.

[0005] In order to achieve the above-mentioned objectives, the utility model provides the following technical solutions: an air compressor noise reduction device, comprising an air compressor noise reduction box, a fixing plate is fixedly arranged on the bottom inner wall of the air compressor noise reduction box, an air compressor body is arranged inside the air compressor noise reduction box, two first positioning plates are fixedly arranged on both ends of the top of the fixing plate, a sliding rod is fixedly arranged on the outer wall on one side corresponding to the first positioning plate, a second positioning plate is fixedly arranged on the bottom outer wall of the air compressor body, a movable support rod is movably connected to the four bottom corners of the second positioning plate, two of the sliding rods are movably connected to a sliding sleeve, one end of the bottom of the four movable support rods are respectively movably connected to the outer wall of the top end of the sliding sleeve, and a damping sleeve and a spring are respectively sleeved on the outer walls at both ends of the two sliding rods, and the damping sleeve is located between the sliding sleeve and the spring.

[0006] Preferably, the inner wall of the air compressor noise reduction box is provided with a vacuum interlayer, which can effectively block noise transmission and has a good noise reduction effect.

[0007] Preferably, an outer wall on one side of the top of the air compressor noise reduction box is movably connected to a top cover via a hinge, and a lifting handle is fixedly provided on the top outer wall of the top cover, so that the top cover can be easily opened by the lifting handle.

[0008] Preferably, a support base is fixedly provided on the bottom outer wall of the air compressor noise reduction box, and the bottom outer wall of the support base is movably connected to four universal brake wheels distributed at equal distances via a rotating shaft.

[0009] Preferably, a push-pull handle is fixedly provided on one side outer wall of the air compressor noise reduction box, and the push-pull handle cooperates with the universal brake wheel to facilitate pushing the utility model to move to a specified position.

[0010] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0011] The movable support rod at the bottom of the second positioning plate is connected to the sliding sleeve, so that high-frequency vibration is generated during the operation of the air compressor body. The sliding sleeve slides back and forth rapidly on the outer wall of the sliding rod, and the damping sleeve and spring sleeved on the outer wall of the sliding rod are used to reduce the sliding amplitude and speed of the sliding sleeve, thereby effectively reducing the vibration effect of the air compressor body during operation, and greatly reducing the noise generated during the operation of the air compressor body. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0013] Figure 1 This is a three-dimensional structural schematic diagram of the air compressor noise reduction device of the utility model;

[0014] Figure 2 It is a schematic diagram of the cross-sectional structure of the air compressor noise reduction box of the air compressor noise reduction device of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the fixing plate of the air compressor noise reduction device of the utility model;

[0016] Figure 4 The utility model is a schematic diagram of the main structure of an air compressor of the air compressor noise reduction device.

[0017] Description of reference numerals:

[0018] 1 air compressor noise reduction box, 2 fixing plate, 3 first positioning plate, 4 sliding rod, 5 air compressor body, 6 second positioning plate, 7 movable support rod, 8 sliding sleeve, 9 damping sleeve, 10 spring, 11 vacuum interlayer, 12 universal brake wheel, 13 top cover, 14 lifting handle, 15 push-pull handle. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0020] Embodiment 1

[0021] Refer to the instruction manual Figure 1-4The air compressor noise reduction device comprises an air compressor noise reduction box 1, a fixing plate 2 is fixedly arranged on the bottom inner wall of the air compressor noise reduction box 1, an air compressor body 5 is arranged inside the air compressor noise reduction box 1, two first positioning plates 3 are fixedly arranged on both ends of the top of the fixing plate 2, a sliding rod 4 is fixedly arranged on the outer wall on one side corresponding to the first positioning plate 3, a second positioning plate 6 is fixedly arranged on the bottom outer wall of the air compressor body 5, and movable support rods 7 are movably connected to the four corners of the bottom of the second positioning plate 6, and the two sliding rods 4 are movably connected to the sliding sleeves 8, and the bottom ends of the four movable support rods 7 are respectively movably connected to the outer wall of the top end of the sliding sleeve 8, and the outer walls at both ends of the two sliding rods 4 are respectively sleeved with damping sleeves 9 and springs 10, and the damping sleeve 9 is located between the sliding sleeve 8 and the spring 10.

[0022] Embodiment 2

[0023] Based on the first embodiment, the outer wall on the top side of the air compressor noise reduction box 1 is movably connected with a top cover 13 through a hinge, and a lifting handle 14 is fixedly provided on the top outer wall of the top cover 13. The lifting handle 14 is used to facilitate opening the top cover 13. The inner wall of the air compressor noise reduction box 1 is provided with a vacuum interlayer 11, which can effectively block noise transmission and has a good noise reduction effect.

[0024] Embodiment 3

[0025] Based on the first embodiment, a support base is fixedly provided on the bottom outer wall of the air compressor noise reduction box 1, and four equidistantly distributed universal brake wheels 12 are movably connected to the bottom outer wall of the support base through a rotating shaft. A push-pull handle 15 is fixedly provided on one side outer wall of the air compressor noise reduction box 1. The push-pull handle 15 cooperates with the universal brake wheel 12 to facilitate pushing the utility model to a designated position.

[0026] Working principle of this utility model:

[0027] Refer to the instruction manual Figure 1-4 When the utility model is used, the utility model is moved to a specified position by pushing and pulling the handle 15 in cooperation with the universal brake wheel 12. The air compressor body 5 generates high-frequency vibration during operation. At this time, the bottom of the air compressor body 5 is connected to the sliding sleeve 8 through the movable support rod 7 provided at the bottom of the second positioning plate 6. The sliding sleeve 8 slides on the outer wall of the sliding rod 4, and the damping sleeve 9 and the spring 10 sleeved on the outer wall of the sliding rod 4 reduce the sliding amplitude of the sliding sleeve 8, which effectively reduces the vibration effect of the air compressor body 5 during operation, greatly reduces the noise generated during operation of the air compressor body 5, and cooperates with the vacuum interlayer 11 opened inside the air compressor noise reduction box 1 to effectively block the noise transmission, and the noise reduction effect is good.

[0028] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that 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. An air compressor noise reduction device, comprising an air compressor noise reduction box (1), characterized in that: A fixing plate (2) is fixedly provided on the inner wall of the bottom of the air compressor noise reduction box (1), an air compressor body (5) is provided inside the air compressor noise reduction box (1), two first positioning plates (3) are fixedly provided on both ends of the top of the fixing plate (2), a sliding rod (4) is fixedly provided on the outer wall corresponding to one side of the first positioning plate (3), a second positioning plate (6) is fixedly provided on the outer wall of the bottom of the air compressor body (5), four corners of the bottom of the second positioning plate (6) are movably connected with movable support rods (7), the two sliding rods (4) are movably connected with sliding sleeves (8), the bottom ends of the four movable support rods (7) are respectively movably connected to the outer wall of the top end of the sliding sleeve (8), the outer walls of both ends of the two sliding rods (4) are respectively sleeved with damping sleeves (9) and springs (10), and the damping sleeve (9) is located between the sliding sleeve (8) and the spring (10).

2. The air compressor noise reduction device according to claim 1, characterized in that: The inner wall of the air compressor noise reduction box (1) is provided with a vacuum interlayer (11).

3. The air compressor noise reduction device according to claim 1, characterized in that: The outer wall on one side of the top of the air compressor noise reduction box (1) is movably connected to a top cover (13) via a hinge, and a lifting handle (14) is fixedly provided on the top outer wall of the top cover (13).

4. The air compressor noise reduction device according to claim 1, characterized in that: A support base is fixedly provided on the bottom outer wall of the air compressor noise reduction box (1), and the bottom outer wall of the support base is movably connected to four universal brake wheels (12) distributed at equal distances via a rotating shaft.

5. The air compressor noise reduction device according to claim 1, characterized in that: A push-pull handle (15) is fixedly provided on one side outer wall of the air compressor noise reduction box (1).

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