CN217682283U - Low-noise roots blower - Google Patents
Low-noise roots blower Download PDFInfo
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- CN217682283U CN217682283U CN202123315959.9U CN202123315959U CN217682283U CN 217682283 U CN217682283 U CN 217682283U CN 202123315959 U CN202123315959 U CN 202123315959U CN 217682283 U CN217682283 U CN 217682283U
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- roots blower
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- proof housing
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Abstract
The utility model discloses a low noise roots blower, including the installing frame, bolt fixedly connected with driving motor is passed through in the left side at installing frame top, the right side welding at installing frame top has the sound-proof housing, and the inner chamber of sound-proof housing has roots blower body through bolt fixed mounting, and drive assembly is installed to the rear side on installing frame surface. The utility model discloses a set up the sound-proof housing, the auxiliary spring, the integrated board, connecting spring, driven pulley, the connecting belt, driving pulley, ventilative net window, the collection wind fill, the connecting pipe, the silencer, the outer installation shell, inhale the sound protective layer, sound insulation protective layer and interior installation shell cooperation are used, the advantage that has the low noise operation, it is relatively poor to have solved current roots blower noise elimination noise reduction effect, can produce vibrations by a relatively large margin in the operation process, and along with great noise, form noise pollution, cause the influence to staff's physical and mental health, the problem of roots blower practicality has been reduced.
Description
Technical Field
The utility model relates to a roots blower technical field specifically is a low noise roots blower.
Background
The Roots blower is a positive displacement blower which delivers gas by means of the change in the volume of the working chamber formed by the rotation of two rotors in the shape of an involute curve, and the principle of operation of the Roots blower is the same as that of a gear pump, i.e. each rotor is equivalent to a gear having only two teeth.
In the in-service use in-process, because the roots blower is high-speed moving machine, so can produce vibrations, again because the pulsation effect of its inside air, also increaseed roots blower's vibration range, current roots blower noise elimination noise reduction effect is relatively poor, can produce vibrations by a relatively large margin at the operation in-process to along with great noise, form noise pollution, cause the influence to staff physical and mental health, reduced roots blower's practicality.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low noise roots blower possesses the advantage of low noise operation, and it is relatively poor to have solved current roots blower noise elimination noise reduction effect, can produce vibrations by a relatively large margin at the operation in-process to along with great noise, form noise pollution, lead to the fact the influence to staff's physical and mental health, reduced roots blower practicality's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low noise roots blower, includes the installing frame, the left side at installing frame top is through bolt fixedly connected with driving motor, the right side welding at installing frame top has the sound-proof housing, the inner chamber of sound-proof housing has the roots blower body through bolt fixed mounting, the drive assembly is installed to the rear side on installing frame surface, buffer component is installed in the left side of sound-proof housing inner chamber, the right side welding of sound-proof housing inner chamber has coupling spring, the inlet end intercommunication of roots blower body has the noise elimination subassembly, the noise elimination subassembly includes the connecting pipe.
Preferably, the transmission assembly comprises a driven pulley, a connecting belt and a driving pulley, the driven pulley is fixedly sleeved on the driving end of the Roots blower body, the driving pulley is fixedly sleeved on the output end of the driving motor, and the driven pulley is in transmission connection with the driving pulley through the connecting belt.
Preferably, the buffer assembly comprises an auxiliary spring, one end of the auxiliary spring is welded to the surface of the Roots blower body, the other end of the auxiliary spring is welded with an integrated plate, the left side of the integrated plate is in contact with the left side of the inner cavity of the sound-proof housing, and one end, far away from the sound-proof housing, of the connecting spring is welded to the joint of the Roots blower body.
Preferably, a ventilating mesh window is fixedly embedded in the top of the surface of the connecting pipe, an air collecting hopper is welded at the top of the inner cavity of the connecting pipe, the bottom of the air collecting hopper is communicated with a silencer, a connecting flange is welded at the bottom of the surface of the connecting pipe, and the bottom of the connecting flange is fixedly connected with the air inlet end of the Roots blower body through a bolt.
Preferably, sound-proof housing and connecting pipe constitute by the external installation shell, inhale the sound protective layer, give sound insulation protective layer and interior installation shell, the internal surface of external installation shell and the surface bonding who inhales the sound protective layer, inhale the surface contact of one side that the sound protective layer kept away from the external installation shell and the protective layer that gives sound insulation, the sound insulation protective layer is kept away from the surface contact who inhales one side of sound protective layer and interior installation shell.
Preferably, the sound absorption protective layer is made of a wave crest sound absorption sponge, and the sound insulation protective layer is made of a sound insulation felt.
Preferably, the back surface of the mounting frame is welded with a protection frame, two sides of the front surface of the protection frame are fixedly connected with bearing seats through bolts, and inner cavities of the bearing seats are respectively and movably connected with the output end of the driving motor and the driving end of the Roots blower body through bearings.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a set up the sound-proof housing, the auxiliary spring, the circuit board, coupling spring, driven pulley, the connection belt, drive pulley, ventilative net window, the collection wind fill, the connecting pipe, the silencer, the outer mounting shell, inhale the sound protective layer, sound protective layer and interior mounting shell cooperation are used, the advantage that has the low noise operation, it is relatively poor to have solved current roots blower noise elimination noise reduction effect, can produce vibrations by a relatively large margin at the operation in-process, and along with great noise, form noise pollution, cause the influence to staff physical and mental health, the problem of roots blower practicality has been reduced.
2. The utility model discloses a set up the sound-proof housing, can form to the roots blower body and surround and fall and make an uproar, the noise propagation intensity that reduces greatly, use through setting up auxiliary spring and integrated board cooperation, can cushion the protection in the left side of roots blower body, absorb the buffering with the amplitude, through setting up connecting spring, can cushion the protection in the right side of roots blower body.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the sound-proof cover of the present invention;
FIG. 3 is a rear perspective view of the partial structure of the present invention;
FIG. 4 is a sectional perspective view of the structure of the muffler assembly of the present invention;
fig. 5 is a schematic perspective view of the outer mounting shell and the inner mounting shell of the present invention.
In the figure: the sound insulation structure comprises an installation frame 1, a sound insulation cover 2, a Roots blower body 3, a sound attenuation component 4, a driving motor 5, an auxiliary spring 6, an integrated board 7, a buffer component 8, a connecting spring 9, a driven belt pulley 10, a connecting belt 11, a driving belt pulley 12, a transmission component 13, a ventilation mesh window 14, an air collecting hopper 15, a connecting pipe 16, a silencer 17, a connecting flange 18, an outer installation shell 19, a sound absorption protective layer 20, a sound insulation protective layer 21 and an inner installation shell 22.
Detailed Description
Referring to fig. 1-5, a low-noise roots blower comprises a mounting frame 1, wherein a driving motor 5 is fixedly connected to the left side of the top of the mounting frame 1 through a bolt, a sound-proof housing 2 is welded to the right side of the top of the mounting frame 1, a roots blower body 3 is fixedly mounted in an inner cavity of the sound-proof housing 2 through a bolt, the roots blower body 3 can be surrounded and denoised through the arrangement of the sound-proof housing 2, the noise propagation strength is greatly reduced, a transmission assembly 13 is mounted on the rear side of the surface of the mounting frame 1, a buffer assembly 8 is mounted on the left side of the inner cavity of the sound-proof housing 2, a connecting spring 9 is welded on the right side of the inner cavity of the sound-proof housing 2, an air inlet end of the roots blower body 3 is communicated with a noise-eliminating assembly 4, the noise-eliminating assembly 4 comprises a connecting pipe 16, and noise-eliminating protection can be performed on an air inlet pipeline of equipment through the arrangement of the connecting pipe 16;
the transmission component 13 comprises a driven belt pulley 10, a connecting belt 11 and a driving belt pulley 12, the driven belt pulley 10 is fixedly sleeved on the driving end of the Roots blower body 3, the driving belt pulley 12 is fixedly sleeved on the output end of the driving motor 5, the driven belt pulley 10 and the driving belt pulley 12 are in transmission connection through the connecting belt 11, and a mechanical transmission structure can be formed by arranging the driven belt pulley 10, the connecting belt 11 and the driving belt pulley 12 for matching use, so that the driving motor 5 synchronously drives the driving end of the Roots blower body 3 to rotate when working;
the buffer component 8 comprises an auxiliary spring 6, one end of the auxiliary spring 6 is welded with the surface of the Roots blower body 3, the other end of the auxiliary spring 6 is welded with an integrated plate 7, the left side of the integrated plate 7 is in contact with the left side of the inner cavity of the sound-proof housing 2, the auxiliary spring 6 and the integrated plate 7 are arranged to be matched for use, the left side of the Roots blower body 3 can be buffered and protected, the amplitude is absorbed and buffered, one end of the connecting spring 9, far away from the sound-proof housing 2, is welded with the joint of the Roots blower body 3, and the right side of the Roots blower body 3 can be buffered and protected by arranging the connecting spring 9;
the top of the surface of the connecting pipe 16 is fixedly inlaid with a ventilating mesh window 14, the ventilating mesh window 14 is arranged, the sucked air flow can be filtered and purified, the anti-blocking protection effect is achieved, an air collecting hopper 15 is welded to the top of the inner cavity of the connecting pipe 16, the sucked air flow can be guided in a concentrated mode by arranging the air collecting hopper 15 and further can be completely led into a silencer 17, the bottom of the air collecting hopper 15 is communicated with a silencer 17, noise generated by air flow can be further reduced through the silencer 17, a connecting flange 18 is welded to the bottom of the surface of the connecting pipe 16, the bottom of the connecting flange 18 is fixedly connected with an air inlet end of the Roots blower body 3 through bolts, and the connecting pipe 16 can be stably installed on the air inlet end of the Roots blower body 3 through the connecting flange 18;
the soundproof cover 2 and the connecting pipe 16 are composed of an outer mounting shell 19, a sound absorption protective layer 20, a sound insulation protective layer 21 and an inner mounting shell 22, the inner surface of the outer mounting shell 19 is bonded with the surface of the sound absorption protective layer 20, one side of the sound absorption protective layer 20 far away from the outer mounting shell 19 is contacted with the surface of the sound insulation protective layer 21, and one side of the sound insulation protective layer 21 far away from the sound absorption protective layer 20 is contacted with the outer surface of the inner mounting shell 22;
the sound absorption protective layer 20 is made of wave crest sound absorption sponge, the sound absorption protective layer 20 has the advantages of light sound absorption quality and capability of absorbing and weakening conducted noise, the sound insulation protective layer 21 is made of sound insulation felt, and through the sound insulation protective layer 21, transmitted sound energy can be weakened, transmission of sound is blocked, and the noise degree is greatly reduced;
the back surface welding of installing frame 1 has the bearer bar, and the both sides on bearer bar positive surface all are through bolt fixedly connected with bearing frame, and the inner chamber of bearing frame passes through the bearing respectively with driving motor 5's output and roots blower body 3's drive end swing joint, through setting up the bearing frame, can improve the rotational stability of driving motor 5's output and roots blower body 3's drive end greatly for equipment operation is more stable.
During the use, each part all is in the state, through starting the driving motor 5, under the transmission of drive assembly 13, can make the roots blower body 3 work, thereby drive the air and pass ventilative net window 14, in wind-collecting hopper 15 and the silencer 17 gets into the roots blower body 3, finally by the guide discharge, in the equipment course of working, the vibrations that the roots blower body 3 produced are cushioned by auxiliary spring 6 and connecting spring 9, the noise is absorbed by the separation of sound-proof housing 2, and the noise that the air flow produced is then fallen the absorption of making an uproar by connecting pipe 16 and silencer 17, realize the low noise operation.
In conclusion: this low noise roots blower, through setting up sound-proof housing 2, auxiliary spring 6, integrated board 7, coupling spring 9, driven pulley 10, connecting belt 11, drive pulley 12, ventilative web window 14, wind-collecting bucket 15, connecting pipe 16, silencer 17, outer mounting shell 19, inhale sound protective layer 20, sound protective layer 21 and interior mounting shell 22 cooperation are used, the advantage that has the low noise operation, it is relatively poor to have solved current roots blower noise elimination noise reduction effect, can produce vibrations by a relatively large margin in the operation process, and be accompanied by great noise, form noise pollution, cause the influence to staff's physical and mental health, the problem of roots blower practicality has been reduced.
Claims (7)
1. The utility model provides a low noise roots blower, includes mounting frame (1), its characterized in that: the utility model discloses a noise elimination device, including installing frame (1), sound-proof housing (2), driving component (13), buffer component (8) are installed in the left side of sound-proof housing (2) inner chamber, bolt fixedly mounted has roots blower body (3) in the left side at installing frame (1) top, the right side welding at installing frame (1) top has sound-proof housing (2), the inner chamber of sound-proof housing (2) has roots blower body (3) through bolt fixedly mounted, transmission component (13) are installed to the rear side on installing frame (1) surface, buffer component (8) are installed in the left side of sound-proof housing (2) inner chamber, the right side welding of sound-proof housing (2) inner chamber has connecting spring (9), the inlet end intercommunication of roots blower body (3) has noise elimination subassembly (4), noise elimination subassembly (4) include connecting pipe (16).
2. The low noise roots blower of claim 1, wherein: the driving assembly (13) comprises a driven belt pulley (10), a connecting belt (11) and a driving belt pulley (12), the driven belt pulley (10) is fixedly sleeved on the driving end of the Roots blower body (3), the driving belt pulley (12) is fixedly sleeved on the output end of the driving motor (5), and the driven belt pulley (10) is in transmission connection with the driving belt pulley (12) through the connecting belt (11).
3. The low noise roots blower of claim 1, wherein: the buffer assembly (8) comprises an auxiliary spring (6), one end of the auxiliary spring (6) is welded with the surface of the Roots blower body (3), the other end of the auxiliary spring (6) is welded with an integrated plate (7), the left side of the integrated plate (7) is in contact with the left side of the inner cavity of the sound-proof housing (2), and the joint of one end, far away from the sound-proof housing (2), of the connecting spring (9) and the Roots blower body (3) is welded.
4. The low noise roots blower of claim 1 wherein: the improved roots blower is characterized in that a ventilating mesh window (14) is fixedly embedded in the top of the surface of the connecting pipe (16), an air collecting hopper (15) is welded to the top of the inner cavity of the connecting pipe (16), a silencer (17) is communicated with the bottom of the air collecting hopper (15), a connecting flange (18) is welded to the bottom of the surface of the connecting pipe (16), and the bottom of the connecting flange (18) is fixedly connected with an air inlet end of the roots blower body (3) through bolts.
5. The low noise roots blower of claim 1, wherein: noise-proof housing (2) and connecting pipe (16) are constituteed by external installation shell (19), inhale sound protective layer (20), sound protective layer (21) and interior installation shell (22), the internal surface of external installation shell (19) and the surface bonding who inhales sound protective layer (20), inhale the surface contact of one side and sound protective layer (21) that sound protective layer (20) kept away from external installation shell (19), the surface contact of one side and interior installation shell (22) of sound protective layer (20) is kept away from in sound protective layer (21).
6. The low noise roots blower of claim 5 wherein: the material of inhaling sound protective layer (20) is the crest and inhales the sound sponge, the material of sound-proof protective layer (21) is the deadening felt.
7. The low noise roots blower of claim 1 wherein: the back surface welding of installing frame (1) has the bearer bar, and the both sides on bearer bar front surface all are through bolt fixedly connected with bearing frame, and the inner chamber of bearing frame passes through the bearing respectively with the output of driving motor (5) and the drive end swing joint of roots blower body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123315959.9U CN217682283U (en) | 2021-12-24 | 2021-12-24 | Low-noise roots blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123315959.9U CN217682283U (en) | 2021-12-24 | 2021-12-24 | Low-noise roots blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217682283U true CN217682283U (en) | 2022-10-28 |
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ID=83727546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123315959.9U Active CN217682283U (en) | 2021-12-24 | 2021-12-24 | Low-noise roots blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217682283U (en) |
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2021
- 2021-12-24 CN CN202123315959.9U patent/CN217682283U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230118 Address after: 181 Zhongshe Road, Maogang Town, Songjiang District, Shanghai, 201606 Patentee after: Shanghai Xiangning Electromechanical Equipment Co.,Ltd. Address before: No. 18, Tangpailaodui, Shitang Village, Hengshan Township, Luchuan County, Yulin City, Guangxi Zhuang Autonomous Region Patentee before: Li Wengeng |
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| TR01 | Transfer of patent right |