CN214998220U - Screw air compressor - Google Patents

Screw air compressor Download PDF

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Publication number
CN214998220U
CN214998220U CN202121353965.0U CN202121353965U CN214998220U CN 214998220 U CN214998220 U CN 214998220U CN 202121353965 U CN202121353965 U CN 202121353965U CN 214998220 U CN214998220 U CN 214998220U
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screw
cavity
upper base
air
lower base
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CN202121353965.0U
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Chinese (zh)
Inventor
李侠
陈永龙
沈国辉
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Guangdong Mushroom Iot Technology Co ltd
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Mogulinker Technology Shenzhen Co Ltd
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Abstract

The utility model discloses a screw compressor, including quick-witted case, screw rod host computer and amortization bumper shock absorber. The case is provided with a cavity; the screw rod host is fixed on the case and positioned in the cavity, and the silencing shock absorber is arranged between the screw rod host and the case; the silencing shock absorber comprises an upper base, at least one buffer piece and a lower base, wherein the lower base is arranged on the cavity wall forming the cavity, the buffer piece is arranged between the upper base and the lower base, and one side, far away from the buffer piece, of the upper base is abutted to the screw rod host. The silencing shock absorber is arranged between the screw rod host and the case, the upper base is abutted to the screw rod host, the buffer piece is arranged between the upper base and the lower base, the lower base is fixed on the case, the screw rod host directly acts on the upper base when the screw rod host vibrates in operation, the upper base is pressed on the buffer piece, impact force generated by the screw rod host is eliminated through the buffer piece to unloading shock absorption of acting force, and then shock noise is effectively eliminated, and noise generated by the screw rod air compressor is reduced.

Description

Screw air compressor
Technical Field
The utility model belongs to the technical field of the air compressor equipment, especially, relate to a screw compressor.
Background
The traditional air compressor comprises a screw rod main machine and a motor, wherein the motor and the screw rod main machine can respectively generate a large amount of mechanical noise and pneumatic noise when in working state, and the traditional noise reduction mode mostly adopts the mode that a sound insulation cover is arranged outside the air compressor, but the sound insulation cover can not reduce the noise pertinently from the root, only can absorb a part of the noise by arranging the sound insulation cover, and has poor noise reduction effect; causing certain pollution to the environment.
SUMMERY OF THE UTILITY MODEL
The utility model discloses main aim at provides a screw compressor machine aims at improving the poor defect of above air compressor machine noise reduction effect, aims at reducing the vibration noise of air compressor machine.
The utility model provides a technical scheme of above-mentioned technical problem is, provide a screw compressor, screw compressor includes quick-witted case, screw rod host computer and amortization bumper shock absorber. The case is provided with a cavity; the screw rod host is fixed on the case, and the silencing and shock-absorbing device is positioned in the cavity and is arranged between the screw rod host and the case; the silencing shock absorber comprises an upper base, at least one buffer piece and a lower base, wherein the lower base is arranged on the cavity wall of the formed cavity, the upper base is movably connected with the lower base, the buffer piece is arranged between the upper base and the lower base, and one side of the buffer piece is abutted to the screw rod host.
Furthermore, the silencing shock absorber further comprises a limiting guide structure, the limiting guide structure is supported between the upper base and the lower base, and the buffer piece is arranged on the limiting guide structure and/or is arranged in a space formed by the upper base and the lower base and supported by the limiting guide structure.
Furthermore, the limiting guide structure comprises a guide seat and a guide post, the guide seat is fixed on the upper base, and the guide seat is provided with a limiting hole; one end of the guide post is fixed on the lower base, and the other end of the guide post is movably arranged in the limiting hole.
Furthermore, the lower base is a sound-absorbing plate which is composed of a first metal layer, a damping sound-insulating layer, a metal hole plate layer, a heat-insulating fiber layer and a second metal layer which are arranged in a stacked mode.
Furthermore, one side of the upper base, which is far away from the buffer piece, is provided with a rubber friction pad which is used for abutting against the screw rod main machine.
Further, the cavity comprises an air inlet and an air outlet; the screw air compressor also comprises a first air filter and a second air filter, the first air filter is arranged in the cavity, one end of the first air filter is communicated with the air inlet, and the other end of the first air filter is communicated with an inlet of the screw main machine; the second air filter is arranged in the cavity, one end of the second air filter is communicated with the outlet of the screw rod host, and the other end of the second air filter is communicated with the air outlet.
Further, the air outlet is provided with an exhaust valve, and the exhaust valve is connected with one end, far away from the screw main machine, of the second air filter.
Furthermore, the machine case is in a cuboid shape, a louver air outlet is formed in the machine case and communicated with the cavity, an exhaust fan is arranged at the air inlet end of the louver air outlet, and the air outlet direction of the exhaust fan faces towards the louver air outlet.
Further, the screw air compressor further comprises a motor, the motor and the screw main machine are fixed on the case in parallel, and an output shaft of the motor is connected to a rotor of the screw main machine.
Further, be equipped with between motor and the quick-witted case the amortization bumper shock absorber, the base is established down and is formed on the chamber wall of cavity, the bolster is established go up the base with between the base down, one side butt that the bolster was kept away from to last base is in on the motor.
The embodiment of the utility model provides a screw compressor sets up the amortization bumper shock absorber between screw rod host computer and quick-witted case, go up the base butt on the screw rod host computer, the bolster is established between last base and lower base, lower base is fixed on quick-witted case, the screw rod host computer is when the function, produce vibrations, direct action is on last base, it presses down on the bolster to go up the base, through the uninstallation shock attenuation of bolster to the effort, eliminate the impact force that the screw rod host computer produced, and then effectively eliminate vibration noise, reduce the noise that screw compressor produced.
Drawings
Fig. 1 is a schematic structural view of the screw air compressor of the present invention;
fig. 2 is a schematic structural view of the noise-damping shock absorber of the present invention.
The reference numbers illustrate:
Figure BDA0003120331910000021
Figure BDA0003120331910000031
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1-2, the utility model provides a screw air compressor, screw air compressor 100 includes quick-witted case 10, screw rod host computer 20 and amortization bumper shock absorber 30. The case 10 is formed with a cavity 11; the screw rod host 20 is fixed on the case 10 and is positioned in the cavity 11, and the silencing shock absorber 30 is arranged between the screw rod host 20 and the case 10; the silencing shock absorber 30 comprises an upper base 31, at least one buffer member 32 and a lower base 33, wherein the lower base 33 is arranged on the cavity wall forming the cavity 11, the upper base 31 is movably connected with the lower base 33, the buffer member 32 is arranged between the upper base 31 and the lower base 33, and one side of the upper base 31, which is far away from the buffer member 32, abuts against the screw rod host 20.
It should be noted that, in this embodiment, the screw main unit of the conventional screw air compressor is driven by the motor to compress air, and the screw main unit may generate large vibration during operation, so that vibration noise is generated due to the vibration, thereby causing certain pollution to the environment. The utility model provides a can a screw compressor, set up amortization bumper shock absorber 30 between screw rod host computer 20 and quick-witted case 10, it is on screw rod host computer 20 to go up base 31 butt, bolster 32 is established between last base 31 and lower base 33, lower base 33 is fixed on quick-witted case 10, screw rod host computer 20 is when the function, produce vibrations, direct action is in last base 31, it presses down on bolster 32 to go up base 31, through the uninstallation shock attenuation of bolster 32 to the effort, eliminate the impact force that screw rod host computer 20 produced, and then effectively eliminate vibration noise, reduce the noise that screw compressor 100 produced.
Specifically, the screw main body 20 is fixed on the chassis 10, so that the screw main body 20 can rotate more stably; there may be a plurality of lower bases 33 fixed respectively on the chamber wall that is not fixed with screw rod host computer 20 in quick-witted case 10, go up base 31 and carry out the butt respectively to a plurality of sides of screw rod host computer 20, when screw rod host computer 20 was operated, can diversely offset the impact force of screw rod host computer 20 vibrations, and then reduce the vibration noise that screw rod host computer 20 produced. In order to achieve better cushioning, a plurality of cushioning members 32 are disposed between the upper base 31 and the lower base 33, and the cushioning members 32 may be cushioning springs or elastic rubber.
Further, as shown in fig. 2, the silencing and shock-absorbing device 30 further includes a limit guide structure 34, the limit guide structure 34 is supported between the upper base 31 and the lower base 33, and the buffer 32 is disposed on the limit guide structure 34 and/or disposed in a space where the upper base 31 and the lower base 33 are supported by the limit guide structure 34.
It should be noted that, in the present embodiment, in order to ensure the stability of the silencing and shock absorber 30, a limit guide structure 34 is provided between the upper base 31 and the lower base 33, and is supported between the upper base 31 and the lower base 33 through the limit guide structure 34, and when the upper base 31 moves toward the lower base 33, the length can be shortened. The buffer 32 is provided on the limit guide structure 34, and generates a certain buffer force to the upper plate 31 when the limit guide structure 34 is shortened, thereby reducing the impact force generated by the screw main body 20.
In a feasible mode, the buffer 32 is arranged on the limit guide structure 34 and is simultaneously arranged in the space where the upper base 31 and the lower base 33 are supported by the limit guide structure 34, so that better buffering effect can be achieved.
Further, as shown in fig. 2, the limiting guide structure 34 includes a guide seat 341 and a guide column 342, the guide seat 341 is fixed on the upper base 31, and the guide seat 341 is provided with a limiting hole; one end of the guiding column 342 is fixed on the lower base 33, and the other end is movably arranged in the limiting hole.
It should be noted that, in this embodiment, in order to be suitable for screw hosts 20 with different pitches, the spacing between the upper base 31 and the lower base 33 can be adjusted by providing the limiting guide structure 34, so as to be further suitable for screw hosts 20 with different pitches. The limiting guide structure 34 comprises a guide seat 341 and a guide column 342, the guide seat 341 is fixed on the upper base 31, and the guide seat 341 is provided with a limiting hole; one end of the guide column 342 is fixed on the lower base 33, the other end of the guide column 342 is movably arranged in the limiting hole, and the extension and retraction of the limiting guide structure 34 are realized through the movement of the guide column 342 in the limiting hole.
Further, the lower base 33 is a sound-absorbing plate, and the sound-absorbing plate is composed of a first metal layer, a damping sound-insulating layer, a metal pore plate layer, a heat-insulating fiber layer and a second metal layer which are stacked.
It should be noted that, in this embodiment, in order to achieve a better noise reduction effect, the lower base 33 disposed on the cabinet wall is set as a noise reduction plate, and the buffer 32 counteracts the impact force of the screw motor 20, so as to reduce the vibration noise, and by setting the noise reduction plate, the mechanical noise generated by the screw motor 20 during movement can be effectively reduced, so that the noise of different types generated by the screw motor 20 can be reduced, and the problem of large noise of the screw motor 20 can be fundamentally solved. The silencing plate consists of a first metal layer, a damping sound insulation layer, a metal hole plate layer, a heat insulation fiber layer and a second metal layer which are arranged in a laminated mode, and can effectively silence.
Further, a rubber friction pad is disposed on a side of the upper base 31 away from the buffer 32 for abutting against the screw main body 20.
In the present embodiment, in order to prolong the service life of the noise-reducing damper 30, a wear-resistant rubber friction pad is provided on the side of the upper base 31 away from the buffer 32, so that the frequency of vibration is high when the screw body 20 is in operation, and in order to better contact the screw body 20, the wear-resistant rubber friction pad is provided on the upper base 31 to prevent the upper base 31 from being deformed when subjected to high vibration. Or the upper base 31 is integrally provided with a rubber friction pad.
Further, the cavity 11 includes an air inlet and an air outlet; the screw air compressor 100 further comprises a first air filter 12 and a second air filter 13, the first air filter 12 is arranged in the cavity 11, one end of the first air filter 12 is communicated with the air inlet, and the other end of the first air filter 12 is communicated with the inlet of the screw main machine 20; the second air filter 13 is arranged in the cavity, one end of the second air filter 13 is communicated with the outlet of the screw main machine 20, and the other end of the second air filter 13 is communicated with the air outlet.
It should be noted that, in this embodiment, in order to prevent the air that gets into in the screw rod host 20 and the higher air of temperature in the cavity from mixing, can produce great making sound when mixing other through screw rod host 20, the utility model discloses set up first air cleaner 12 in cavity 11, and first air cleaner 12 is direct to be connected with the air inlet of cavity 11, can directly filter the invariable gas of outside temperature to convey the gas after filtering to screw rod host 20, and compress by screw rod host 20, screw rod host 20 is when the air of compression temperature homogeneity, and the noise of production is less. In order to prevent the compressed gas from directly contacting with the external gas with different temperatures, the utility model is provided with a second air filter 13, the second air filter 13 is arranged in the cavity, one end of the second air filter 13 is communicated with the outlet of the screw rod main machine 20, and the other end is communicated with the gas outlet; compressed gas of the screw main machine 20 is directly transmitted to the second air filter 13, and is discharged from the air outlet of the oil cavity 11 after being filtered, so that a stable gas transmission loop is formed, and pneumatic noise of the screw air compressor can be effectively eliminated.
Furthermore, the air outlet is provided with an exhaust valve, and the exhaust valve is connected with one end, far away from the screw main machine, of the second air filter.
It should be noted that, in this embodiment, in order to control the air pressure output by the screw air compressor 100, an exhaust valve is disposed at the air outlet, and is connected to one end of the second air filter, which is away from the screw main unit, through the exhaust valve, the air damped by the second air filter can be directly exhausted through the exhaust valve, and the exhaust speed is further adjusted by adjusting the size of the exhaust valve.
Further, the case 10 is rectangular, a louver air outlet is formed in the case 10 and communicated with the cavity 11, an air inlet end of the louver air outlet is provided with an exhaust fan, and an air outlet direction of the exhaust fan faces towards the louver air outlet.
It should be noted that, in this embodiment, screw air compressor 100 can produce great heat at the in-process that uses, and the heat gathering influences screw air compressor 100's normal operating easily, the utility model discloses seted up the tripe air exit on quick-witted case 10, the tripe air exit with cavity 11 intercommunication, the high-temperature gas in the cavity 11, accessible tripe air exit exhaust cavity 11. The air inlet end of tripe air exit is equipped with the exhaust fan, and the air-out direction of exhaust fan is towards the tripe air exit, and the accessible exhaust fan is high temperature gas in the cavity 11 that flows with higher speed, and then reduces the temperature in the cavity 11, guarantees the normal operation of screw rod host computer 20.
Further, as shown in fig. 1, the screw air compressor 100 further includes a motor 40, the motor 40 and the screw main unit 20 are fixed on the machine case 10 in parallel, and an output shaft of the motor 40 is connected to a rotor of the screw main unit 20.
It should be noted that, in this embodiment, the motor 40 is used to drive the rotor of the screw main body 20 to rotate, so that the rotor in the screw main body 20 can compress the gas. In order to transmit the rotating force more stably, the motor 40 and the screw main body 20 are fixed on the cabinet 10 in parallel, and the output shaft of the motor 40 can be directly connected to the rotor of the screw main body 20, so as to stably transmit the rotating force to the rotor, so that the rotor can be rotated rapidly, thereby compressing the gas.
Further, as shown in fig. 1, a noise-damping shock absorber 30 is disposed between the motor 40 and the chassis 10, a lower base 33 is disposed on a cavity wall forming the cavity 11, a buffer 32 is disposed between the upper base 31 and the lower base 33, and a side of the upper base 31 away from the buffer 32 abuts against the motor 40.
In the present embodiment, since the motor 40 is likely to generate a large vibration force in the operating state, the noise reduction damper 30 is provided between the motor and the casing, and the noise generated by the vibration of the motor 40 is reduced by the noise reduction damper 30.
Specifically, the lower base 33 is disposed on a cavity wall forming the cavity 11, the buffer member 32 is disposed between the upper base 31 and the lower base 33, and a side of the upper base 31 away from the buffer member 32 abuts on the motor 40.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a screw air compressor machine which characterized in that, screw air compressor machine includes:
a chassis formed with a cavity;
the screw rod host is fixed on the case and positioned in the cavity; and
the silencing shock absorber is arranged between the screw rod host and the case; the silencing shock absorber comprises an upper base, at least one buffer piece and a lower base, wherein the lower base is arranged on the cavity wall of the cavity, the upper base is movably connected with the lower base, the buffer piece is arranged between the upper base and the lower base, and one side of the buffer piece is abutted to the screw rod host.
2. The screw air compressor of claim 1, wherein the noise reduction damper further comprises a limit guide structure supported between the upper base and the lower base, and the buffer member is disposed on the limit guide structure and/or in a space where the limit guide structure supports the upper base and the lower base.
3. The screw air compressor of claim 2, wherein the limiting guide structure comprises:
the guide seat is fixed on the upper base and provided with a limiting hole; and
and one end of the guide post is fixed on the lower base, and the other end of the guide post is movably arranged in the limiting hole.
4. The screw air compressor of claim 1, wherein the lower base is a sound-absorbing plate, and the sound-absorbing plate is composed of a first metal layer, a damping sound-insulating layer, a metal pore plate layer, a heat-insulating fiber layer and a second metal layer which are stacked.
5. The screw air compressor of claim 1, wherein a rubber friction pad is disposed on a side of the upper base away from the buffer member, and is used for abutting against the screw main body.
6. The screw air compressor of claim 1 wherein the cavity includes an air inlet and an air outlet; the screw air compressor machine still includes:
the first air filter is arranged in the cavity, one end of the first air filter is communicated with the air inlet, and the other end of the first air filter is communicated with an inlet of the screw main machine; and
and the second air filter is arranged in the cavity, one end of the second air filter is communicated with the outlet of the screw main machine, and the other end of the second air filter is communicated with the air outlet.
7. The screw air compressor of claim 6, wherein the air outlet is provided with an exhaust valve, and the exhaust valve is connected with one end of the second air filter, which is far away from the screw main machine.
8. The screw air compressor of any one of claims 1 to 7, wherein the casing is rectangular, a louver air outlet is formed in the casing, the louver air outlet is communicated with the cavity, an air inlet end of the louver air outlet is provided with an exhaust fan, and an air outlet direction of the exhaust fan faces the louver air outlet.
9. The screw air compressor according to any one of claims 1 to 7, further comprising a motor, wherein the motor is fixed to the housing in parallel with the screw main unit, and an output shaft of the motor is connected to a rotor of the screw main unit.
10. The screw air compressor of claim 9, wherein the noise-reduction damper is disposed between the motor and the casing, the lower base is disposed on a wall forming the cavity, the buffer member is disposed between the upper base and the lower base, and a side of the upper base away from the buffer member abuts against the motor.
CN202121353965.0U 2021-06-17 2021-06-17 Screw air compressor Active CN214998220U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121353965.0U CN214998220U (en) 2021-06-17 2021-06-17 Screw air compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121353965.0U CN214998220U (en) 2021-06-17 2021-06-17 Screw air compressor

Publications (1)

Publication Number Publication Date
CN214998220U true CN214998220U (en) 2021-12-03

Family

ID=79127578

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121353965.0U Active CN214998220U (en) 2021-06-17 2021-06-17 Screw air compressor

Country Status (1)

Country Link
CN (1) CN214998220U (en)

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Address after: No. 118, Building C1, No.1 Qingsheng Avenue, Nansha District, Guangzhou City, Guangdong Province, 511455

Patentee after: Guangdong Mushroom IoT Technology Co.,Ltd.

Country or region after: Zhong Guo

Address before: 518110 room 2202, building 1, Huide building, Beizhan community, Minzhi street, Longhua District, Shenzhen, Guangdong

Patentee before: MOGULINKER TECHNOLOGY (SHENZHEN) CO.,LTD.

Country or region before: Zhong Guo