Silencing structure and compressor thereof

Abstract

The utility model relates to the technical field of compressors, and discloses a silencing structure and a compressor thereof. The supporting assembly comprises cushion blocks, inserting holes, deformation cavities, lateral deformation grooves and a supporting body, the cushion blocks are arranged at the positions, close to the two ends, of the bottom of the supporting plate, the deformation cavities and the inserting holes are formed in the bottoms of the cushion blocks, the inserting holes extend to the tops from the bottoms of the cushion blocks, the rubber sleeves are inserted into the inserting holes, and the lateral deformation grooves are formed in the side walls of the cushion blocks; the supporting body is fixedly connected with the cushion block, the bolt penetrates through the rubber sleeve and the inserting hole to tightly press the supporting plate and the cushion block into a whole, the cushion block and the rubber sleeve can prevent a compressed gas element from generating resonance in the operation process, then resonance noise in the operation process is reduced, and the purpose of reducing noise is achieved. And in cooperation with the lateral deformation grooves and the supporting bodies, the bottom of the cushion block can be fully deformed to improve the resonance phenomenon, the suppression effect on resonance noise is further improved, and the noise reduction effect is obvious.

Description

TECHNICAL FIELD

[0001] The utility model relates to a compressor technical field especially relates to a sound attenuation structure and compressor thereof. BACKGROUND

[0002] Air compressor is a kind of equipment to compress gas, by motor direct drive compressor, make the crankshaft rotation, drive connecting rod and make piston reciprocating motion, cause the cylinder volume change and realize the compression storage of gas.

[0003] Prior art discloses a kind of sound attenuation structure and compressor thereof for compressor (publication number: CN219412928U), the sound attenuation structure in it is equipped with sound attenuation assembly in high pressure cavity, sound attenuation assembly includes: first sound attenuation board, first sound attenuation board and spacer board are left with spacing, and the upper and lower ends of first sound attenuation board are provided with sound attenuation hole through;Windshield, the lower end opening of windshield is towards through port, the lower end of windshield has transversely extended portion, transversely extended portion is located below first sound attenuation board, and transversely extended portion is located above spacer board, and spacing is left between transversely extended portion and spacer board.

[0004] In prior art, mainly by setting soundproof cover on the top of cylinder head and motor to reduce noise, but there is still a part of noise source from cylinder head and motor operation process and gas tank resonance, since cylinder head and motor are fixed on gas tank by screw nut and form hard connection, for the suppression of resonance noise, prior art is deficient, and there is certain optimization space.

[0005] Therefore, we propose a kind of sound attenuation structure and compressor thereof. INVENTION CONTENTS

[0006] The utility model mainly solves the technical problem that resonance noise is generated by hard connection of cylinder head and motor and gas tank, and provides a sound attenuation structure and compressor thereof.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme, a kind of sound attenuation structure and compressor thereof, comprising:

[0008] Support plate, the four corners of support plate are provided with hole for installation, and rubber sleeve is arranged in the hole, and angle iron is fixedly installed on the top of support plate;

[0009] Supporting assembly arranged below the supporting plate for suppressing resonance, the supporting assembly comprises a cushion block, a socket, a deformation cavity, a lateral deformation slot and a support body, the bottom of the supporting plate is arranged with a cushion block near each end, the bottom of the cushion block is provided with a deformation cavity and a socket, the socket extends from the bottom to the top of the cushion block, a rubber sleeve is inserted into the socket, a plurality of lateral deformation slots are arranged on the sidewall of the cushion block, the bottom of the cushion block forms a petal-shaped structure through the lateral deformation slots, and the support body is fixedly connected with the cushion block and supports the petal-shaped structure of the cushion block.

[0010] As a preferred mode of the utility model, the cushion block forms a rectangular block with the same width as the supporting plate, two sockets are symmetrically arranged on the top of the cushion block, and the two rubber sleeves at one end of the supporting plate are respectively inserted into the two sockets.

[0011] As a preferred mode of the utility model, the deformation cavity forms a rectangular slot, the depth of the deformation cavity is less than half the thickness of the cushion block, the bottom of the cushion block forms a back-shaped retaining edge through the deformation cavity, and the lateral deformation slot is arranged on the retaining edge of the bottom of the cushion block.

[0012] As a preferred mode of the utility model, the lateral deformation slot is a rhombic slot, the lateral deformation slot extends from one side of the cushion block to the other side, and a petal-shaped structure is formed between two adjacent lateral deformation slots.

[0013] As a preferred mode of the utility model, the support body forms a rod body with an X-shaped horizontal section, and the end of the support body is fixedly connected with the petal-shaped structure formed at the bottom of the cushion block.

[0014] As a preferred mode of the utility model, the supporting assembly further comprises a storage cavity, the storage cavity is formed in the cushion block, and the storage cavity is filled with hydraulic oil.

[0015] A compressor comprises a gas storage tank, a cylinder head and a driving motor are arranged on the top of the gas storage tank, the output shaft of the driving motor is fixedly connected with the input shaft of the cylinder head, all the sound attenuation structures are arranged on the top of the gas storage tank, the supporting plate and the cushion block are locked by screws and mounting holes of the gas storage tank, and the cylinder head and the driving motor are fixed on the top of the supporting plate through bolts and nuts.

[0016] Advantages

[0017] The utility model provides a kind of sound attenuation structure and compressor thereof.There is following advantage effect:

[0018] 1. The sound attenuation structure and compressor thereof, by means of bolts passing through rubber sleeves and insertion holes, the supporting plate and the cushion block are compressed to form a whole, the cushion block and the rubber sleeve can avoid resonance of the element operating under compressed gas, thereby reducing resonance noise during operation to achieve the purpose of noise reduction, the deformation cavity is arranged to form a stop edge at the bottom of the cushion block, the stop edge is in contact to replace the whole bottom of the cushion block to form a surface contact, in combination with the lateral deformation groove and the supporting body, the bottom of the cushion block can be fully deformed to improve the resonance phenomenon, further improve the inhibition effect of resonance noise, and the noise reduction effect is obvious.

[0019] 2. The sound attenuation structure and compressor thereof, by means of the storage cavity, a cavity is formed in the cushion block, and the oil in the storage cavity can support the cushion block to maintain a certain strength, and the existence of the oil can also deform the cushion block to absorb vibration and improve the resonance phenomenon.

[0020] 3. The sound attenuation structure and compressor thereof, by means of the screw passing through the rubber sleeve and the insertion hole, the screw and the nut are locked, the supporting plate compresses the cushion block on the top of the gas tank to realize installation, the cylinder head and the driving motor are locked with the supporting plate by means of the bolt and the nut, and then the cylinder head and the driving motor are in deformable elastic contact with the gas tank, the resonance of the cylinder head and the driving motor with the gas tank during operation is inhibited, the noise is reduced, and the resonance can also inhibit the deviation of the gas tank on the ground. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is one of the overall perspective views of the utility model;

[0022] Figure 2 It is the second overall perspective view of the utility model;

[0023] Figure 3 It is a partial cutaway view of the cushion block of the utility model;

[0024] Figure 4 It is an installation schematic view of the supporting plate and the gas tank of the utility model;

[0025] Figure 5 It is an installation schematic view of the cylinder head and the driving motor and the supporting plate of the utility model.

[0026] Legend: 10, supporting plate; 11, angle iron; 12, rubber sleeve; 13, cushion block; 14, insertion hole; 15, deformation cavity; 16, lateral deformation groove; 17, supporting body; 18, storage cavity; 20, gas tank; 21, cylinder head; 22, driving motor. DETAILED DESCRIPTION

[0027] A sound attenuation structure and compressor thereof, as shown in Figure 1 , comprising:

[0028] Support plate 10, four corners of support plate 10 are provided with holes for mounting, the holes are provided with rubber sleeves 12, the top of support plate 10 is fixedly provided with angle iron 11, in the scheme, angle iron 11 can be welded and fixed with support plate 10, support plate 10 and angle iron 11 can adopt metal material, rubber sleeve 12 adopts rubber material;

[0029] As shown in Figure 1 , Figure 2 and Figure 3 , a support assembly is arranged below the support plate 10 for suppressing resonance, the support assembly comprises a pad 13, a bushing 14, a deformation cavity 15, a lateral deformation groove 16 and a support body 17, the bottom of the support plate 10 is provided with one pad 13 near each end, the bottom of the pad 13 is provided with a deformation cavity 15 and a bushing 14, the bushing 14 extends from the bottom to the top of the pad 13, the rubber sleeve 12 is inserted into the bushing 14, the sidewall of the pad 13 is provided with a plurality of lateral deformation grooves 16, the bottom of the pad 13 forms a petal-shaped structure through the lateral deformation grooves 16, the support body 17 is fixedly connected with the pad 13 and supports the petal-shaped structure of the pad 13, the pad 13 forms a rectangular block with the same width as the support plate 10, two bushings 14 are symmetrically provided on the top of the pad 13, the two rubber sleeves 12 at one end of the support plate 10 are respectively inserted into the two bushings 14, the deformation cavity 15 forms a rectangular groove, the depth of the deformation cavity 15 is less than half the thickness of the pad 13, the bottom of the pad 13 forms a back-shaped stop edge through the deformation cavity 15, the lateral deformation groove 16 is provided on the stop edge of the bottom of the pad 13, the lateral deformation groove 16 is a rhombic slot, the lateral deformation groove 16 extends from one side of the pad 13 to the other side, a petal-shaped structure is formed between two adjacent lateral deformation grooves 16, the support body 17 forms a rod body with an X-shaped horizontal cross section, the end of the support body 17 is fixedly connected with the petal-shaped structure formed at the bottom of the pad 13;

[0030] In the scheme, the pad 13 adopts rubber material, the rubber sleeve 12 forms a dumbbell structure with large diameters at both ends and a small diameter in the middle, the inside of the rubber sleeve 12 is hollow for mounting bolts, the support plate 10 and the pad 13 are pressed tightly to form a whole through the bolts passing through the rubber sleeve 12 and the bushing 14, the pad 13 and the rubber sleeve 12 can avoid resonance of elements in operation of compressed gas, thereby reducing resonance noise in operation to achieve the purpose of noise reduction, the deformation cavity 15 is arranged to form a stop edge at the bottom of the pad 13, the stop edge is used for contact instead of surface contact formed by the whole bottom of the pad 13, in combination with the plurality of lateral deformation grooves 16 and the support body 17, the bottom of the pad 13 can be fully deformed to improve the resonance phenomenon, further improve the suppression effect on resonance noise, and the noise reduction effect is obvious.

[0031] As shown in Figure 3As shown, the support assembly further comprises a storage cavity 18, the inside of the cushion block 13 forms the storage cavity 18, the storage cavity 18 is filled with hydraulic oil, the inside of the cushion block 13 is formed by the storage cavity 18, and the oil in the storage cavity 18 can support the cushion block 13 to maintain a certain strength, and the existence of the oil can also deform the cushion block 13 to absorb vibration and improve the resonance phenomenon.

[0032] As shown in the drawings, Figure 4 and Figure 5 As shown, a compressor comprises a gas tank 20, the top of the gas tank 20 is provided with a cylinder head 21 and a driving motor 22, the output shaft of the driving motor 22 is fixedly connected with the input shaft of the cylinder head 21, the top of the gas tank 20 is provided with all the above-mentioned sound attenuation structures, the support plate 10 and the cushion block 13 are locked by screws with the mounting holes of the gas tank 20, the cylinder head 21 and the driving motor 22 are fixed on the top of the support plate 10 by bolts and nuts, the top of the gas tank 20 is welded with mounting nuts, after the screws are locked with the nuts by penetrating the rubber sleeve 12 and the insertion hole 14, the support plate 10 is pressed against the top of the gas tank 20 to realize installation, the cylinder head 21 and the driving motor 22 are locked with the support plate 10 by means of bolts and nuts, and then the cylinder head 21 and the driving motor 22 form deformable elastic contact with the gas tank 20, thereby suppressing the resonance of the cylinder head 21 and the driving motor 22 with the gas tank 20 during operation, reducing noise and suppressing the resonance to cause the gas tank 20 to deviate from the ground.

[0033] It should be noted that the driving motor 22 needs to be connected with a control switch for use, the gas tank 20 is provided with a gas outlet, and a pressure gauge should also be installed on the top of the gas tank 20 to detect the gas pressure value in the cavity of the gas tank 20, and the specific control mode is a known prior art which will not be described here.

[0034] The working principle of the utility model is: the cushion block 13 is made of rubber material, the rubber sleeve 12 forms a dumbbell structure with large diameters at both ends and a small diameter in the middle, the inside of the rubber sleeve 12 is hollow for installing bolts, the support plate 10 and the cushion block 13 are pressed tightly to form a whole by the bolts penetrating the rubber sleeve 12 and the insertion hole 14, the cushion block 13 and the rubber sleeve 12 can avoid resonance during the operation of the compressed gas element, the deformation cavity 15 is arranged to form a retaining edge at the bottom of the cushion block 13, the retaining edge is used for contact instead of the whole bottom of the cushion block 13 to form surface contact, the plurality of lateral deformation grooves 16 and the support body 17 are matched to make the bottom of the cushion block 13 fully deform to improve the resonance phenomenon, the inside of the cushion block 13 is formed by the storage cavity 18, and the oil in the storage cavity 18 can support the cushion block 13 to maintain a certain strength, and the existence of the oil can also deform the cushion block 13 to absorb vibration and improve the resonance phenomenon;

[0035] After the screw is locked with the nut, the support plate 10 presses the cushion block 13 on the top of the gas storage tank 20 to realize installation, the cylinder head 21 and the driving motor 22 are locked with the support plate 10 by means of the bolt and the nut, then the cylinder head 21 and the driving motor 22 form the deformable elastic contact with the gas storage tank 20, the resonance of the cylinder head 21 and the driving motor 22 with the gas storage tank 20 when operating is inhibited, the noise is reduced, and meanwhile the resonance can inhibit the ground deviation of the gas storage tank 20.

[0036] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only for illustrating the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall into the scope of the utility model claimed for protection. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A sound attenuating structure, characterized by, The utility model relates to a kind of sound-absorbing structure of gas tank, including: Support plate (10), the four corners of support plate (10) are provided with holes for installation, and rubber sleeve (12) is arranged in the hole, and angle iron (11) is fixedly installed on the top of support plate (10); Supporting assembly, arranged below support plate (10) for suppressing resonance, the supporting assembly includes cushion block (13), jack (14), deformation cavity (15), lateral deformation groove (16) and support body (17), the bottom of the support plate (10) is close to two ends and is provided with one cushion block (13), the bottom of the cushion block (13) is provided with deformation cavity (15) and jack (14), the jack (14) extends from the bottom to the top of the cushion block (13), the rubber sleeve (12) is inserted into the jack (14), the sidewall of the cushion block (13) is provided with a plurality of lateral deformation grooves (16), the bottom of the cushion block (13) is formed into petal structure by lateral deformation groove (16), and the support body (17) is fixedly connected with the cushion block (13) and supports the petal structure of the cushion block (13).

2. The sound attenuating structure of claim 1, wherein: The cushion block (13) forms a rectangular block with the same width as the support plate (10), two jacks (14) are symmetrically provided in the top of the cushion block (13), and the two rubber sleeves (12) at one end of the support plate (10) are inserted into the two jacks (14) respectively.

3. The sound attenuating structure of claim 1, wherein: The deformation cavity (15) forms a rectangular groove, the depth of the deformation cavity (15) is less than half the thickness of the cushion block (13), the bottom of the cushion block (13) is formed into a back-shaped retaining edge through the deformation cavity (15), and the lateral deformation groove (16) is provided on the retaining edge of the bottom of the cushion block (13).

4. The sound attenuating structure of claim 1, wherein: The lateral deformation groove (16) is a rhombic notch, and the lateral deformation groove (16) extends from one side of the cushion block (13) to the other side, and a petal structure is formed between two adjacent lateral deformation grooves (16).

5. The sound attenuating structure of claim 1, wherein: The support body (17) forms a rod body with X-shaped horizontal section, and the end of the support body (17) is fixedly connected with the petal structure formed at the bottom of the cushion block (13).

6. The sound attenuating structure of claim 1, wherein: The supporting assembly further includes storage cavity (18), the inside of the cushion block (13) forms storage cavity (18), and the storage cavity (18) is filled with hydraulic oil.

7. A compressor comprising a gas storage tank (20), the top of the gas storage tank (20) being provided with a cylinder head (21) and a driving motor (22), the output shaft of the driving motor (22) being fixedly connected with the input shaft of the cylinder head (21), characterized in that: The top of the gas tank (20) is provided with the sound-absorbing structure of any one of claims 1-6, the support plate (10) and the cushion block (13) are locked by screw with the mounting hole of the gas tank (20), and the cylinder head (21) and the driving motor (22) are fixed on the top of the support plate (10) by bolt and nut.

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