Silencing structure of air compressor

Abstract

The air compressor silencing structure comprises an air compressor air inlet pipe and a second sound absorption plate, notches are formed in the two ends of the top face of the air compressor air inlet pipe respectively, limiting sliding grooves are formed in the inner bottom faces of the notches, clamping grooves are formed in the inner bottom faces of the limiting sliding grooves, limiting round blocks are in contact with the interiors of the clamping grooves, and limiting square rods are fixedly connected to the top faces of the limiting round blocks. And the top surface of the limiting square rod is fixedly connected with a fixed vertical rod. According to the air compressor, impurities in air entering the air inlet pipe of the air compressor can be filtered through the first filter plate and the second filter plate, the entering air can be dispersed and silenced through the first sound absorption plate and the second sound absorption plate, noise is effectively reduced and absorbed, and the service life of the air compressor is prolonged. By arranging a limiting round block, a limiting square rod, a fixed vertical rod, a limiting circular ring, a positioning rod, a limiting nut and the like, the first filter plate, the second filter plate, the first sound absorption plate and the second sound absorption plate can be disassembled and assembled, disassembly and replacement are facilitated, and the use effect is effectively guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of air compressor noise reduction technology, specifically an air compressor noise reduction structure. Background Technology

[0002] An air compressor is a device used to compress gas. Air compressors are similar in structure to water pumps. Most air compressors are reciprocating piston type, rotary vane or rotary screw type. Centrifugal compressors are used in very large applications. Air compressors are a basic product of industrial modernization. The term "electrical automation" often includes the meaning of "all-pneumatic". The air compressor provides the air source power and is the core equipment of the pneumatic system. It is the main body of the electromechanical air source device. It is a device that converts the mechanical energy of the prime mover (usually an electric motor) into the pressure energy of gas. It is a compressed air pressure generating device. When in use, the air inlet will produce a relatively large sound due to the airflow.

[0003] For example, Chinese utility model patent CN220059845U discloses an air compressor inlet filter and silencing structure, relating to the field of air compressor technology. The structure includes a housing, inside which, from left to right, are arranged a filter chamber, a first silencing chamber, and a silencing component. The filter chamber, the first silencing chamber, and the silencing component are separated by several partition plates. The filter chamber contains the filter component, the first silencing chamber contains a silencing pipe with several silencing holes on its circumferential surface, and the second silencing chamber contains the silencing component. Through the interaction of the first sound-absorbing plate, the mineral wool filling layer, and the second sound-absorbing plate, the gas is further dispersed and silenced. The mineral wool filling layer, composed of fibers with numerous micropores, allows sound waves to impact the material surface; some are reflected back, some are absorbed by the plate, and some pass through the plate into the rear cavity, significantly reducing reflected sound and effectively controlling and adjusting the gas reverberation time within the housing, thus reducing noise.

[0004] However, the existing air compressor silencing structure connects the top and bottom of the coarse filter plate, HEPA filter layer, activated carbon adsorption layer and fine filter plate to the top and bottom of the shell respectively, and sets the silencing components such as the first sound-absorbing plate and the second sound-absorbing plate inside the cavity of the second silencing chamber. This makes it inconvenient to disassemble and replace the filter plate and the sound-absorbing plate, and long-term use may affect the performance.

[0005] Therefore, we propose an air compressor noise reduction structure to solve the above problems. Utility Model Content

[0006] The purpose of this utility model is to provide a noise reduction structure for an air compressor to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: an air compressor silencing structure, comprising an air compressor intake pipe and a second sound-absorbing plate. The air compressor intake pipe has slots at both ends of its top surface. A limiting slide groove is formed on the bottom surface of each slot. A retaining groove is formed on the bottom surface of each limiting slide groove, and a retaining block contacts the retaining groove. A retaining square rod is fixedly connected to the top surface of the retaining block. A fixed vertical rod is fixedly connected to the top surface of the retaining square rod. Two retaining sliders are fixedly connected to each other on both sides of the second sound-absorbing plate. An opening is formed on the top surface of each retaining slider, which is slidably connected to the retaining square rod. The top surface of each retaining slider contacts a dividing block, and the top surface of the dividing block contacts a second retaining slider. There are two retaining sliders, and each retaining slider has an opening (or three) on its top surface, which is slidably connected to the retaining square rod. A sound-absorbing plate is fixed between the two retaining sliders on their closest sides. The top surfaces of the two retaining sliders contact... The partition block 2 has two top surfaces that contact the limiting slider 3. Each of the two limiting slider 3 has a five-way opening on its top surface, which is slidably connected to a limiting square rod. A filter plate 2 is fixed between the two limiting slider 3 on their adjacent sides. The top surfaces of the limiting slider 3 and the partition block 3 also contact the limiting slider 4. Each of the two limiting slider 4 has a seven-way opening on its top surface, which is slidably connected to a limiting square rod. A filter plate 1 is fixed between the two limiting slider 4 on their adjacent sides. The bottom external thread of the fixed vertical rod is threadedly connected to the internal thread of the limiting ring. The bottom surface of the limiting ring contacts the limiting slider 4. A positioning rod is fixedly connected to the bottom surface of the slot. A positioning hole is opened on the top surface of the limiting ring, through which the positioning rod passes. The external thread of the positioning rod is threadedly connected to the internal thread of the limiting nut.

[0008] Preferably, the bottom surface of the limiting nut contacts the top surface of the limiting ring, and the limiting ring contacts the bottom surface of the groove.

[0009] Preferably, the limiting slider one, the separator one, the limiting slider two, the separator two, the limiting slider three, the separator three, and the limiting slider four are slidably connected to the limiting groove.

[0010] Preferably, the bottom surface of the limiting slider contacts the limiting circular block.

[0011] Preferably, the top surface of the first partition block has a second opening, and the second opening is slidably connected to a limiting rod.

[0012] Preferably, the top surface of the second partition block has an opening four, which is slidably connected to a limiting rod; the top surface of the third partition block has an opening six, which is slidably connected to a limiting rod.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This utility model, by setting up filter plate one and filter plate two, can filter impurities in the air entering the air compressor intake pipe. By setting up sound-absorbing plate one and sound-absorbing plate two, it can disperse and silence the incoming gas, effectively reducing and absorbing noise. By setting up limiting round blocks, limiting square rods, fixing vertical rods, limiting rings, positioning rods, limiting nuts, etc., filter plate one, filter plate two, sound-absorbing plate one, and sound-absorbing plate two can be disassembled and installed, which facilitates disassembly and replacement and effectively ensures the use effect. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a frontal cross-sectional view of the present invention.

[0017] Figure 3 This is a schematic diagram of the disassembled structure of this utility model.

[0018] In the diagram: 1. Air compressor intake pipe; 2. Limiting slide groove; 3. Slot; 4. Groove; 5. Limiting square rod; 6. Limiting round block; 7. Sound-absorbing plate two; 71. Limiting slider one; 711. Through port one; 8. Separator block one; 81. Through port two; 9. Sound-absorbing plate one; 91. Limiting slider two; 911. Through port three; 10. Separator block two; 101. Through port four; 11. Filter plate two; 111. Limiting slider three; 1111. Through port five; 12. Separator block three; 121. Through port six; 13. Filter plate one; 131. Limiting slider four; 1311. Through port seven; 14. Fixed vertical rod; 15. Limiting ring; 151. Positioning hole; 16. Positioning rod; 17. Limiting nut. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example 1:

[0021] Please see Figure 1-3This is the first embodiment of the present invention, which provides a technical solution: an air compressor silencing structure, including an air compressor inlet pipe 1 and a second sound-absorbing plate 7. The air compressor inlet pipe 1 has slots 4 at both ends of its top surface. A limiting slide groove 2 is formed on the bottom surface of the slot 4, and a retaining groove 3 is formed on the bottom surface of the limiting slide groove 2. A limiting circular block 6 contacts the retaining groove 3. A limiting square rod 5 is fixedly connected to the top surface of the limiting circular block 6, and a fixing vertical rod 14 is fixedly connected to the top surface of the limiting square rod 5. Limiting sliders 71 are fixedly connected to both sides of the second sound-absorbing plate 7. A through-hole 711 is formed on the top surface of the first limiting slider 71. A sliding connection is established between the limiting rod 5 and the top surface of the limiting slider 1 71, which contacts the partition block 1 8. The top surface of the partition block 1 8 contacts the limiting slider 2 91. There are two limiting sliders 2 91, and each of the two limiting sliders 2 91 has an opening 3 911 on its top surface. The opening 3 911 is slidably connected to the limiting rod 5. A sound-absorbing plate 1 9 is fixed between the two limiting sliders 2 91 on their closest sides. The top surface of the limiting slider 2 91 contacts the partition block 2 10. The top surface of the partition block 2 10 contacts the limiting slider 3 111. There are two limiting sliders 3 111, and each of the two limiting sliders 3 111 has an opening 3 911 on its top surface. Assume a five-way opening 1111, which is slidably connected to a limiting rod 5. A filter plate 2 11 is fixed between the two adjacent sides of two limiting sliders 3 111. The top surface of the limiting slider 3 111 contacts a separator block 3 12, and the top surface of the separator block 3 12 contacts a limiting slider 4 131. There are two limiting sliders 4 131, each with a seven-way opening 1311 on its top surface. These openings are slidably connected to the limiting rod 5. A filter plate 1 13 is fixed between the adjacent sides of the two limiting sliders 4 131. The filter holes of the filter plate 2 11 should be smaller. Based on the size of the filter holes in filter plate 13, the bottom external thread of the fixed vertical rod 14 is threaded to the internal thread of the limiting ring 15. The bottom surface of the limiting ring 15 contacts the limiting slider 131, which can limit and fix filter plate 13, filter plate 21, sound-absorbing plate 19, sound-absorbing plate 27, etc. on the limiting square rod 5. The top surface of the limiting slider 131 is flush with the top surface of the limiting square rod 5. The bottom surface of the slot 4 is fixed to the positioning rod 16. The top surface of the limiting ring 15 has a positioning hole 151, which passes through the positioning rod 16. The external thread of the positioning rod 16 is threaded to the internal thread of the limiting nut 17.

[0022] Example 2:

[0023] Please see Figure 1-3 This is the second embodiment of the present invention. This embodiment is based on the previous embodiment. The bottom surface of the limiting nut 17 contacts the top surface of the limiting ring 15, which can fix the entire filtering and sound absorption mechanism inside the air compressor intake pipe 1. The limiting ring 15 contacts the bottom surface of the groove 4.

[0024] Limiting slider 1 71, dividing block 1 8, limiting slider 2 91, dividing block 2 10, limiting slider 3 111, dividing block 3 12, limiting slider 4 131, sliding connection limiting groove 2.

[0025] The bottom surface of the limit slider 71 contacts the limit block 6, which can effectively limit the movement and prevent the limit slider 71 from falling off the limit rod 5.

[0026] A passage 81 is opened on the top surface of the partition block 8, and the passage 81 is slidably connected to the limiting rod 5.

[0027] The top surface of the second partition block 10 has an opening 4 101, which is slidably connected to the limiting rod 5. The top surface of the third partition block 12 has an opening 6 121, which is slidably connected to the limiting rod 5.

[0028] Please see Figure 1-3 In use, gas enters through the air compressor inlet pipe 1 and passes through the filter plate 13 and filter plate 11 to filter impurities in the incoming air. The filtered gas then passes through the sound-absorbing plate 7 and sound-absorbing plate 9 to disperse and reduce noise. When disassembly is required, the limiting nuts 17 at both ends can be unscrewed, and the entire filtering and sound-absorbing mechanism can be pulled out by holding the top of the fixing rod 14. Then, the limiting ring 15 can be unscrewed from the fixing rod 14. Then, the filter plate 13, the partition block 12, the filter plate 11, the partition block 10, the sound-absorbing plate 9, the partition block 8, and the sound-absorbing plate 7 can be taken out one by one for disassembly. This facilitates disassembly and replacement, effectively ensuring the performance of the device.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A noise reduction structure for an air compressor, comprising an air compressor inlet pipe (1) and a second sound-absorbing plate (7), characterized in that: The air compressor intake pipe (1) has slots (4) at both ends on its top surface. A limiting slide groove (2) is formed on the bottom surface of the slot (4). A retaining groove (3) is formed on the bottom surface of the limiting slide groove (2). A limiting block (6) contacts the retaining groove (3). A limiting square rod (5) is fixedly connected to the top surface of the limiting block (6). A fixed vertical rod (14) is fixedly connected to the top surface of the limiting square rod (5). Limiting sliders (71) are fixedly connected to both sides of the sound-absorbing plate (7). A through-hole (711) is formed on the top surface of the limiting slider (71). The through-hole (711) is slidably connected to the limiting square rod (5). The top surface of slider one (71) contacts partition block one (8), the top surface of partition block one (8) contacts limiting slider two (91), there are two limiting sliders two (91), the top surfaces of the two limiting sliders two (91) are respectively opened with through opening three (911), the through opening three (911) is slidably connected to limiting square rod (5), the sound-absorbing plate one (9) is fixed between the two limiting sliders two (91) on the side that is close to each other, the top surface of limiting slider two (91) contacts partition block two (10), the top surface of partition block two (10) contacts limiting slider three (111), the limiting slider three (111) 1) There are two of them. The top surfaces of the two limiting sliders three (111) are respectively opened with opening five (1111). The opening five (1111) is slidably connected to the limiting square rod (5). The filter plate two (11) is fixed between the two limiting sliders three (111) on the side that is close to each other. The top surface of the limiting slider three (111) contacts the partition block three (12). The top surface of the partition block three (12) contacts the limiting slider four (131). There are two limiting sliders four (131). The top surfaces of the two limiting sliders four (131) are respectively opened with opening seven (1311). The opening seven ( 1311) Sliding connection limiting rod (5), filter plate (13) is fixed between the two limiting sliders (131) on the side that are close to each other, the bottom external thread of the fixed vertical rod (14) is threaded to the internal thread of the limiting ring (15), the bottom surface of the limiting ring (15) contacts the limiting slider (131), the bottom surface of the slot (4) is fixed to the positioning rod (16), the top surface of the limiting ring (15) is opened with a positioning hole (151), the positioning hole (151) passes through the positioning rod (16), the external thread of the positioning rod (16) is threaded to the internal thread of the limiting nut (17).

2. The air compressor silencing structure according to claim 1, characterized in that: The bottom surface of the limiting nut (17) contacts the top surface of the limiting ring (15), and the limiting ring (15) contacts the inner bottom surface of the groove (4).

3. The air compressor silencing structure according to claim 1, characterized in that: The limiting slider one (71), the partition block one (8), the limiting slider two (91), the partition block two (10), the limiting slider three (111), the partition block three (12), and the limiting slider four (131) are slidably connected to the limiting groove (2).

4. The air compressor silencing structure according to claim 1, characterized in that: The bottom surface of the limiting slider (71) contacts the limiting circular block (6).

5. The air compressor silencing structure according to claim 1, characterized in that: The top surface of the first partition block (8) has an opening (81), and the second opening (81) is slidably connected to the limiting rod (5).

6. The air compressor silencing structure according to claim 1, characterized in that: The top surface of the second partition block (10) has an opening four (101), which is slidably connected to the limiting rod (5). The top surface of the third partition block (12) has an opening six (121), which is slidably connected to the limiting rod (5).

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