CN221322626U - Vacuum pump silencing device - Google Patents

Vacuum pump silencing device Download PDF

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Publication number
CN221322626U
CN221322626U CN202323429842.2U CN202323429842U CN221322626U CN 221322626 U CN221322626 U CN 221322626U CN 202323429842 U CN202323429842 U CN 202323429842U CN 221322626 U CN221322626 U CN 221322626U
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CN
China
Prior art keywords
noise reduction
air inlet
vacuum pump
pipe
reduction box
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CN202323429842.2U
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Chinese (zh)
Inventor
刘俊玲
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Guangdong Zhongde Technology Pump Co ltd
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Guangdong Zhongde Technology Pump Co ltd
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Priority to CN202323429842.2U priority Critical patent/CN221322626U/en
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Abstract

The utility model discloses a vacuum pump silencing device which comprises a bottom plate, wherein a noise reduction box is arranged at the top end of the bottom plate, an air inlet pipe is arranged on one side of the noise reduction box, an air inlet is arranged on one side of the air inlet pipe, a sponge layer is arranged on the inner side wall of the air inlet, and an exhaust pipe is arranged at the top end of the noise reduction box. According to the utility model, through the arrangement of the porous silencing pipe, the air inlet and the sponge layer, noise reduction of the air inlet pipe is realized, the sponge layer is distributed, the air flow is prevented from being directly collided with the pipe wall, the air flow can be guided by matching with the distribution of the air inlet pipe and the convex strips, the disturbance and the wind resistance of the air flow are reduced, the stable circulation of the air flow is improved, the generation of wind noise is avoided, and meanwhile, the porous silencing pipe is sleeved on the outer side of the air inlet pipe, so that the noise can be effectively reduced and absorbed, multiple noise reduction is realized, the noise reduction function is improved, and the noise reduction performance is improved.

Description

Vacuum pump silencing device
Technical Field
The utility model relates to the technical field of vacuum pump silencing devices, in particular to a vacuum pump silencing device.
Background
Vacuum pumps refer to devices or apparatus that draw air from a container being evacuated using mechanical, physical, chemical, or physicochemical means to obtain a vacuum. In general, a vacuum pump is a device for improving, generating and maintaining vacuum in a certain closed space by various methods, and in actual use, the vacuum pump is influenced by rapid flow of air flow of a pipeline and shaking generated by operation of a rotor of the pump, so that larger noise is generated, noise pollution is formed on a working area, and in a space where people move more frequently, noise harm is caused to nearby people, and hearing damage is seriously caused, so that a vacuum pump silencing device is provided.
Disclosure of utility model
The utility model aims to provide a vacuum pump silencer for solving the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vacuum pump silencing device, includes the bottom plate, the top of bottom plate is installed and is fallen the case of making an uproar, and falls one side of case and install the intake pipe, the air inlet is installed to one side of intake pipe, and installs the sponge layer on the inside wall of air inlet, fall the top of case and install the blast pipe of making an uproar.
Preferably, the outside cover of intake pipe is equipped with porous amortization pipe, be provided with the sand grip on the inside wall of intake pipe.
Preferably, the convex strips are provided with a plurality of groups, and the convex strips are annularly distributed in the air inlet pipe.
Preferably, three groups of perforated sound absorbing plates are arranged in the exhaust pipe, and the three groups of perforated sound absorbing plates are distributed in a staggered mode.
Preferably, the noise reduction box is internally provided with cavities, and the cavities are uniformly distributed in the noise reduction box.
Preferably, the inside wall of the noise reduction box is provided with sound absorbing cotton, and the inside wall of the sound absorbing cotton is provided with a porous sound insulation board.
Preferably, the rubber shock mount is installed to central point department on bottom plate top, and the support plate is installed on the top of rubber shock mount, the rubber slab is installed to the bottom of support plate, the corner position department of support plate bottom installs the spring.
Preferably, the rubber shock absorber seat is internally provided with air cavities, and the air cavities are uniformly distributed in the rubber shock absorber seat.
Compared with the prior art, the utility model has the beneficial effects that:
(1) Through being provided with porous amortization pipe, intake pipe, air inlet and sponge layer, realized making an uproar to the admission line, the distribution of sponge layer avoids the air current to directly collide with the pipe wall, cooperates the distribution of intake pipe and sand grip, can guide the air current, reduces disturbance and the windage of air current, improves the steady circulation of air current, avoids the production of wind noise, and porous amortization pipe cover is established in the outside of intake pipe simultaneously, can effectual reduction and absorption noise, multiple noise reduction realizes the function of amortization to noise reduction has been improved;
(2) The noise reduction box, the cavity, the sound absorbing cotton, the porous sound insulation board, the exhaust pipe and the perforated sound insulation board are arranged, so that the noise reduction of the vacuum pump is realized, the noise reduction box is covered on the outer side of the vacuum pump, the distribution of the cavity, the sound absorbing cotton and the porous sound insulation board is matched, the multiple sound absorption and noise reduction effects are realized, the transmission of the noise is reduced, and the exhaust pipe and the perforated sound insulation board are arranged, so that the overflow of the noise is reduced on the premise that the exhaust efficiency is not influenced, and the noise reduction performance is further improved;
(3) Through being provided with rubber shock-absorbing seat, air cavity, carrier plate, spring and rubber slab, realized the shock attenuation to the vacuum pump, the carrier plate is fixed on the top of rubber shock-absorbing seat, utilizes the deformation of rubber shock-absorbing seat and air cavity to carry out shock attenuation buffering to the vacuum pump, cooperates the distribution of spring and rubber slab, carries out multiple shock attenuation, has prevented that the noise from transmitting to the external world from the below to realized the shock attenuation to the vacuum pump.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional elevation view of the present utility model;
FIG. 2 is a schematic elevational view of the present utility model;
FIG. 3 is a schematic view of a front partial cross-sectional structure of an air intake pipe according to the present utility model;
fig. 4 is a schematic side view partially in cross section of the rubber damper of the present utility model.
Reference numerals in the drawings illustrate:
1. A bottom plate; 2. rubber shock-absorbing seat; 3. a noise reduction box; 4. a cavity; 5. sound absorbing cotton; 6. a porous acoustic baffle; 7. an exhaust pipe; 8. perforated acoustic panels; 9. a porous sound deadening pipe; 10. an air inlet pipe; 11. an air inlet; 12. a sponge layer; 13. a convex strip; 14. an air cavity; 15. a carrier plate; 16. a spring; 17. a rubber plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a vacuum pump silencing device, including bottom plate 1, noise reduction case 3 is installed on the top of bottom plate 1, and intake pipe 10 is installed to one side of noise reduction case 3, intake port 11 is installed to one side of intake pipe 10, and install sponge layer 12 on the inside wall of intake port 11, blast pipe 7 is installed on the top of noise reduction case 3, the outside cover of intake pipe 10 is equipped with porous muffler 9, be provided with sand grip 13 on the inside wall of intake pipe 10, sand grip 13 is provided with a plurality of groups, and sand grip 13 is the annular distribution in the inside of intake pipe 10;
Specifically, as shown in the figure, when in use, through the distribution of the sponge layer 12, the air flow is prevented from directly colliding with the pipe wall, and the air flow can be guided by matching with the distribution of the air inlet pipe 10 and the raised strips 13, so that the disturbance and the wind resistance of the air flow are reduced, the stable circulation of the air flow is improved, and the generation of wind noise is avoided;
Three groups of perforated sound absorbing plates 8 are arranged in the exhaust pipe 7, and the three groups of perforated sound absorbing plates 8 are distributed in a staggered manner, so that the overflow of noise is reduced on the premise of not influencing the exhaust efficiency;
the inside of the noise reduction box 3 is provided with a cavity 4, the cavity 4 is uniformly distributed in the noise reduction box 3, the inner side wall of the noise reduction box 3 is provided with sound-absorbing cotton 5, and the inner side wall of the sound-absorbing cotton 5 is provided with a porous sound-insulating plate 6;
Specifically, as shown in the figure, when in use, the noise reduction box 3 is covered on the outer side of the vacuum pump, and the distribution of the cavity 4, the sound absorption cotton 5 and the porous sound insulation plate 6 is matched to perform multiple sound absorption and noise reduction effects, so that the noise is reduced to be transmitted;
The center position of the top end of the bottom plate 1 is provided with a rubber shock absorption seat 2, the top end of the rubber shock absorption seat 2 is provided with a carrier plate 15, the bottom end of the carrier plate 15 is provided with a rubber plate 17, the corner position of the bottom end of the carrier plate 15 is provided with a spring 16, the inside of the rubber shock absorption seat 2 is provided with air cavities 14, the air cavities 14 are uniformly distributed in the inside of the rubber shock absorption seat 2, and vibration force generated by a vacuum pump is counteracted by utilizing deformation of the air cavities 14;
Specifically, as shown in the figure, when in use, the support plate 15 is fixed at the top end of the rubber shock absorption seat 2, and the deformation of the rubber shock absorption seat 2 and the air cavity 14 is utilized to absorb shock and buffer the vacuum pump, and the distribution of the springs 16 and the rubber plate 17 is matched to reduce the vibration frequency of the vacuum pump, so as to perform multiple shock absorption.
Working principle: when the vacuum pump silencer is used, firstly, the vacuum pump silencer is conveyed to a target area, the rubber damper seat 2 is removed from the top end of the bottom plate 1, the vacuum pump which is required to be used is taken, the vacuum pump is installed at the top end of the carrier plate 15, the air inlet of the vacuum pump is connected with the air inlet pipe 10, then, the rubber damper seat 2 is covered on the outer side of the vacuum pump, and is fixed with the bottom plate 1 by using bolts, the noise reduction box 3 is matched with the distribution of the cavity 4, the sound absorbing cotton 5 and the porous sound insulation plate 6, the effect of multiple sound absorption and noise reduction is achieved, the transmission of reduced noise is achieved, the sponge layer 12 is distributed, the air flow is prevented from being directly collided with the pipe wall, the distribution of the air inlet pipe 10 and the raised strips 13 is matched, the air flow can be guided, the disturbance and the wind resistance of the air flow are reduced, the stable circulation of the air flow is improved, the generation of wind noise is prevented, the porous silencer pipe 9 is matched, the noise can be effectively reduced and absorbed, the noise is reduced, multiple noise is reduced, and the noise is reduced.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. Vacuum pump silencing device, including bottom plate (1), its characterized in that: the noise reduction box (3) is installed on the top of the bottom plate (1), the air inlet pipe (10) is installed on one side of the noise reduction box (3), the air inlet (11) is installed on one side of the air inlet pipe (10), the sponge layer (12) is installed on the inner side wall of the air inlet (11), and the exhaust pipe (7) is installed on the top of the noise reduction box (3).
2. A vacuum pump silencer according to claim 1, wherein: the outer side of the air inlet pipe (10) is sleeved with a porous silencing pipe (9), and the inner side wall of the air inlet pipe (10) is provided with a convex strip (13).
3. A vacuum pump silencer according to claim 2, characterized in that: the raised strips (13) are provided with a plurality of groups, and the raised strips (13) are annularly distributed in the air inlet pipe (10).
4. A vacuum pump silencer according to claim 1, wherein: three groups of perforated sound absorbing plates (8) are arranged in the exhaust pipe (7), and the three groups of perforated sound absorbing plates (8) are distributed in a staggered mode.
5. A vacuum pump silencer according to claim 1, wherein: the inside of the noise reduction box (3) is provided with a cavity (4), and the cavity (4) is uniformly distributed in the noise reduction box (3).
6. A vacuum pump silencer according to claim 1, wherein: the noise reduction box is characterized in that sound absorption cotton (5) is arranged on the inner side wall of the noise reduction box (3), and a porous sound insulation plate (6) is arranged on the inner side wall of the sound absorption cotton (5).
7. A vacuum pump silencer according to claim 1, wherein: the rubber shock mount (2) is installed at the central point department on bottom plate (1) top, and carrier plate (15) are installed on the top of rubber shock mount (2), rubber slab (17) are installed to the bottom of carrier plate (15), spring (16) are installed in the corner position department of carrier plate (15) bottom.
8. A vacuum pump silencer according to claim 7, wherein: the rubber shock mount (2) is internally provided with air cavities (14), and the air cavities (14) are uniformly distributed in the rubber shock mount (2).
CN202323429842.2U 2023-12-15 2023-12-15 Vacuum pump silencing device Active CN221322626U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323429842.2U CN221322626U (en) 2023-12-15 2023-12-15 Vacuum pump silencing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323429842.2U CN221322626U (en) 2023-12-15 2023-12-15 Vacuum pump silencing device

Publications (1)

Publication Number Publication Date
CN221322626U true CN221322626U (en) 2024-07-12

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ID=91790861

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323429842.2U Active CN221322626U (en) 2023-12-15 2023-12-15 Vacuum pump silencing device

Country Status (1)

Country Link
CN (1) CN221322626U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118971473A (en) * 2024-08-07 2024-11-15 三门台力电机有限公司 A high-intensity output dual-axis reduction motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118971473A (en) * 2024-08-07 2024-11-15 三门台力电机有限公司 A high-intensity output dual-axis reduction motor
CN118971473B (en) * 2024-08-07 2025-05-13 三门台力电机有限公司 High-strength output double-shaft gear motor

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