CN211501095U - Silencer for fan - Google Patents
Silencer for fan Download PDFInfo
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- CN211501095U CN211501095U CN201922170608.XU CN201922170608U CN211501095U CN 211501095 U CN211501095 U CN 211501095U CN 201922170608 U CN201922170608 U CN 201922170608U CN 211501095 U CN211501095 U CN 211501095U
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- box body
- fan
- air outlet
- air inlet
- air
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Abstract
The utility model discloses a silencing device for a fan, which comprises a box body, a bottom plate, a shock absorber, an air inlet pipe, an air outlet pipe, a motor and a fan, wherein the box body is arranged on the bottom plate through the shock absorber, a rubber pad is arranged on the inner bottom surface of the box body, a damping plate is horizontally arranged on the rubber pad, the motor and the fan are both arranged on the damping plate, the motor drives the fan to work through a belt, the air inlet end of the fan is communicated with the air outlet end of the air inlet pipe, the air inlet pipe is connected with the inner wall of the box body through the damping device, a noise reduction device is arranged on the air inlet end of the box body, the air inlet end of the air inlet pipe is communicated with the air outlet end of the noise reduction device, the air outlet end of the fan is communicated with the air outlet pipe, the air outlet pipe is arranged on a support of the inner wall of the, the transmission of noise is greatly weakened, the noise is reduced to standard decibel, and the staff health is facilitated.
Description
Technical Field
The utility model relates to a fan equipment technical field, concretely relates to silencing device for fan.
Background
The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The blower is a short-term habit for gas compression and gas delivery machinery in China, and the blower mainly comprises a ventilator, a blower and a wind driven generator, and is a machine for converting rotating mechanical energy into gas pressure energy and kinetic energy and delivering gas to be utilized by subsequent processes.
The fan plays roles of air circulation, purification and transportation in life and work, and is widely applied to residential districts, business centers, light stations, airports, factories and mines, enterprises, hospitals, schools and other places to realize ventilation. Among the prior art, the fan generally all directly places on the air, and when the fan started, the vibrations of production can lead to each parts incessant collision each other, arouses noise and other noise at the prerequisite that does not have any noise insulation facility, and noise is very big at the operation in-process, disturbs people's normal rest, study and work, and long-time work in addition, each part of fan striking each other can cause various work problems and shorten life.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an silencing device for fan to solve fan during operation, each part thereof collides each other because of vibrations, and it is big to lead to the noise, can cause various work problems and shorten fan life's problem.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a silencing device for a fan comprises a box body, a bottom plate, a shock absorber, an air inlet pipe, an air outlet pipe, a motor and the fan, the box body is arranged on the bottom plate through the shock absorber, a rubber pad is arranged on the inner bottom surface of the box body, a vibration reduction plate is horizontally arranged on the rubber pad, the motor and the fan are both arranged on the vibration reduction plate, the motor drives the fan to work through a belt, the air inlet end of the fan is communicated with the air outlet end of the air inlet pipe, the air inlet pipe is connected with the inner wall of the box body through a vibration damper, a noise reduction device is arranged on the air inlet end of the box body, the air inlet end of the air inlet pipe is communicated with the air outlet end of the noise reduction device, the air outlet end of the fan is communicated with the air outlet pipe, the air outlet pipe is installed on the support of the inner wall of the box body, and the air outlet end of the air outlet pipe is communicated with the air outlet end of the box body.
The further technical scheme is as follows: the box body is composed of double-layer sound-absorbing boards, and silencing cotton is filled between the double-layer sound-absorbing boards.
The further technical scheme is as follows: the air outlet end of the box body is provided with a conical structure, and the outer end of the conical structure is provided with a flange plate 13.
The further technical scheme is as follows: the noise reduction device comprises a large sleeve, a small sleeve, a bolt and nut pair and an end cover, wherein the small sleeve is coaxially arranged with the large sleeve, a filtering part is arranged on the wall of the large sleeve and the wall of the small sleeve, one end of the large sleeve and one end of the small sleeve are arranged on the end cover, the other end of the large sleeve is arranged on the outer wall of the box body through the bolt and nut pair, and the other end of the small sleeve is communicated with the air inlet end of the box body.
The further technical scheme is as follows: the filtering part of the large sleeve is far away from the filtering part of the small sleeve.
The further technical scheme is as follows: the vibration damper comprises a tension spring, a base and a hanging ring, wherein the hanging ring is sleeved on the outer pipe wall of the air inlet pipe, the base is installed on the inner top surface of the box body, the tension spring is vertically arranged, one end of the tension spring is connected with the base, and the other end of the tension spring is connected with the hanging ring.
The further technical scheme is as follows: and the two ends of the damping plate are connected with the inner side wall of the box body through damping springs.
The further technical scheme is as follows: the bottom plate is formed by horizontally splicing a plurality of I-shaped steel materials.
Compared with the prior art, the utility model discloses can reach one of following beneficial effect at least:
1. the utility model provides a silencing device for fan, seal motor and fan through utilizing the box, the propagation of noise abatement, the interior bottom surface at the box sets up the rubber pad, motor and fan are installed on the damping plate on the rubber pad, the vibrations of reduction motor and fan that can be very big, in addition, serve the installation through the air inlet at the box and fall the device of making an uproar, reduce the circulation of air rapidly and the noise that produces and reduce the impurity in the air, be favorable to the amortization of air admission fan, the air-supply line of fan utilizes damping device to fix the internal surface at the box, can effectively slow down the vibrations of air-supply line, this silencing device for fan can effectively reduce the collision and the vibrations of each part, the very big propagation of noise that weakens, fall to standard decibel with the noise, be favorable to staff healthy.
2. The box comprises double-deck abatvoix, it has the amortization cotton to fill between the double-deck abatvoix, can effectively prevent the noise propagation, the air-out end of box is provided with the circular cone structure, the circular cone structure can return the box with the noise reflection, the noise reduction propagates, the ring flange is convenient for external pipeline, damping spring is passed through at the both ends of damping plate and is connected with the inside wall of box, can prevent damping plate both ends striking box, produce the noise and damage the box even, the bottom plate is formed by the horizontal concatenation of a plurality of i-shaped steel, can reduce the propagation of the inside vibrations of box to ground.
Drawings
Fig. 1 is a schematic structural view of a silencer for a fan according to the present invention.
Reference numerals: 1. a box body; 2. a base plate; 3. a shock absorber; 4. an air inlet pipe; 5. an air outlet pipe; 6. an electric motor; 7. a fan; 8. a rubber pad; 9. a vibration damping plate; 10. a vibration damping device; 101. a tension spring; 102. a base; 103. a hoisting ring; 11. a noise reduction device; 111. a large sleeve; 112. a small sleeve; 113. a bolt and nut pair; 114. an end cap; 115. a filtering part; 12. a support; 13. a flange plate; 14. a shock absorbing spring.
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.
Example 1:
This a silencing device for fan's theory of operation: the inner bottom surface of the box body 1 is provided with a rubber pad 8, the rubber pad 8 is horizontally provided with a vibration reduction plate 9, the motor 6 and the fan 7 are both arranged on the vibration reduction plate 9, the motor 6 and the fan 7 are sealed by utilizing the box body 1, the transmission of noise is reduced, the rubber pad 8 is arranged on the inner bottom surface of the box body 1, the motor 6 and the fan 7 are arranged on the vibration reduction plate on the rubber pad 8, the vibration of the motor 6 and the fan 7 can be greatly reduced, in addition, the noise reduction device 11 is arranged on the air inlet end of the box body 1, the noise generated by rapid air circulation and the impurity in the air are reduced, the noise generated by the air entering the fan 7 is favorably reduced, the air inlet pipe 5 of the fan 7 is fixed on the inner surface of the box body 1 by utilizing the vibration reduction device 10, the vibration of the air inlet pipe 5 can be effectively reduced, and the, the transmission of noise is greatly weakened, the noise is reduced to standard decibel, and the staff health is facilitated.
Example 2:
on the basis of the above embodiment 1, embodiment 2 shows an embodiment in which the cabinet 1 is composed of double sound-absorbing boards, and sound-deadening cotton is filled between the double sound-absorbing boards.
The box 1 is formed by connecting double-layer sound-absorbing boards through screws, and silencing cotton is filled between the double-layer sound-absorbing boards, so that noise can be effectively prevented from being transmitted.
Example 3:
on the basis of the above embodiment, embodiment 3 shows an embodiment, a conical structure is arranged at the air outlet end of the box body 1, and a flange 13 is arranged at the outer end of the conical structure.
The air-out end of box 1 is provided with the circular cone structure, and the circular cone structure can reflect the noise back to inside box 1, and the noise abatement is propagated, and the external pipeline of air-out end of the box 1 of being convenient for of ring flange 13.
Example 4:
on the basis of the above embodiment, embodiment 4 shows an embodiment, where the noise reduction device 11 includes a large sleeve 111, a small sleeve 112 coaxially disposed with the large sleeve 111, a bolt-nut pair 113, and an end cover 114, the cylinder walls of the large sleeve 111 and the small sleeve 112 are both provided with a filter part 115, one end of the large sleeve 111 and one end of the small sleeve 112 are both mounted on the end cover 114, the other end of the large sleeve 111 is mounted on the outer wall of the box 1 through the bolt-nut pair 113, and the other end of the small sleeve 112 is communicated with the air intake end of the box 1. The filter portion 115 of the large sleeve 111 is remote from the filter portion 115 of the small sleeve 112.
The large sleeve 111 and the small sleeve 112 are sleeved, and the cylinder walls of the large sleeve 111 and the small sleeve 112 are provided with filtering parts 115 for filtering air,
preferably, the filtering portion 115 is divided into a hard stainless steel punched plate layer, a filtering layer and a stainless steel screen layer along the air inlet direction, so that effective filtration of air is ensured, impurities are prevented from entering the fan 7, the impurities are collided inside the fan 7, noise is generated, and damage to the fan 7 can be reduced.
Preferably, the filter layer can be a centrifugal glass wool layer or a polyurethane sponge layer, the filter effect is good, and the filter layer is easy to replace or clean.
Preferably, the filter part 115 of the large sleeve 111 is far away from the filter part 115 of the small sleeve 112 to guide the air to form an S-shaped flow direction, so as to weaken the air flow rate, prevent the occurrence of air noise, and improve the filtering effect.
Example 5:
on the basis of the above embodiment, embodiment 5 shows an embodiment, the vibration damping device 10 includes a tension spring 101, a base 102 and a hanging ring 103, the hanging ring 103 is sleeved on the outer wall of the air inlet pipe 4, the base 102 is installed on the inner top surface of the box body 1, the tension spring 101 is vertically arranged, one end of the tension spring 101 is connected with the base 102, and the other end of the tension spring 101 is connected with the hanging ring 102.
The tension spring 101 is vertically arranged, one end of the tension spring 101 is connected to the lower surface of the base 102, the other end of the tension spring 101 is connected to the hanging ring 103, the hanging ring 103 is used for hanging the air inlet pipe 4 through the tension spring 101, vibration caused to the air inlet pipe 4 when the fan 7 works is reduced, noise is weakened, and the air inlet pipe 4 is prevented from colliding with the box body 1.
Preferably, a layer of rubber ring can be arranged on the inner ring surface of the hanging ring 102 to reduce the collision between the air inlet pipe 4 and the hanging ring 102.
Example 6:
on the basis of the above embodiment, embodiment 6 shows an embodiment in which both ends of the damping plate 9 are connected to the inner side wall of the case 1 by the damping springs 14.
The both ends of damping plate 9 are passed through damping spring 14 and are connected with the inside wall of box 1, can prevent that damping plate 9 both ends from striking box 1, produce the noise and damage box 1 even.
Example 7:
on the basis of the above embodiment, the embodiment 7 shows an embodiment in which the base plate 2 is formed by horizontally splicing several steel bars.
The bottom plate 2 is formed by splicing a plurality of I-shaped steel materials along the horizontal direction, and can reduce noise and dust caused by the transmission of vibration in the box body 1 to the ground.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (8)
1. The utility model provides a silencing device for fan which characterized in that: comprises a box body (1), a bottom plate (2), a shock absorber (3), an air inlet pipe (4), an air outlet pipe (5), a motor (6) and a fan (7), wherein the box body (1) is installed on the bottom plate (2) through the shock absorber (3), a rubber pad (8) is installed on the inner bottom surface of the box body (1), a vibration reduction plate (9) is horizontally installed on the rubber pad (8), the motor (6) and the fan (7) are both installed on the vibration reduction plate (9), the motor (6) drives the fan (7) to work through a belt, the air inlet end of the fan (7) is communicated with the air outlet end of the air inlet pipe (4), the air inlet pipe (4) is connected with the inner wall of the box body (1) through a vibration reduction device (10), a noise reduction device (11) is installed on the air inlet end of the box body (1), the air inlet end of the air inlet pipe (4) is communicated with the air outlet end of the noise reduction device (11), the air outlet end of the fan (7) is communicated with the air outlet pipe (5), the air outlet pipe (5) is installed on the support (12) on the inner wall of the box body (1), and the air outlet end of the air outlet pipe (5) is communicated with the air outlet end of the box body (1).
2. The silencer assembly of claim 1, wherein: the box body (1) is composed of double-layer sound-absorbing boards, and silencing cotton is filled between the double-layer sound-absorbing boards.
3. The silencer assembly of claim 1, wherein: the air outlet end of the box body (1) is provided with a conical structure, and the outer end of the conical structure is provided with a flange plate (13).
4. The silencer assembly of claim 1, wherein: the noise reduction device (11) comprises a large sleeve (111), a small sleeve (112) coaxially arranged with the large sleeve (111), a bolt-nut pair (113) and an end cover (114), wherein a filtering part (115) is arranged on the wall of each of the large sleeve (111) and the small sleeve (112), one end of the large sleeve (111) and one end of the small sleeve (112) are arranged on the end cover (114), the other end of the large sleeve (111) is arranged on the outer wall of the box body (1) through the bolt-nut pair (113), and the other end of the small sleeve (112) is communicated with an air inlet end of the box body (1).
5. The silencer assembly of claim 4, wherein: the filter portion (115) of the large sleeve (111) is remote from the filter portion (115) of the small sleeve (112).
6. The silencer assembly of claim 1, wherein: damping device (10) are including extension spring (101), base (102) and rings (103), rings (103) suit is in on the outer pipe wall of air-supply line (4), install base (102) on the interior top surface of box (1), extension spring (101) vertical setting, the one end of extension spring (101) with base (102) are connected, the other end of extension spring (101) with rings (103) are connected.
7. The silencer assembly of claim 1, wherein: and two ends of the damping plate (9) are connected with the inner side wall of the box body (1) through damping springs (14).
8. The silencer assembly of claim 1, wherein: the bottom plate (2) is formed by horizontally splicing a plurality of I-shaped steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922170608.XU CN211501095U (en) | 2019-12-06 | 2019-12-06 | Silencer for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922170608.XU CN211501095U (en) | 2019-12-06 | 2019-12-06 | Silencer for fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211501095U true CN211501095U (en) | 2020-09-15 |
Family
ID=72413919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922170608.XU Active CN211501095U (en) | 2019-12-06 | 2019-12-06 | Silencer for fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211501095U (en) |
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2019
- 2019-12-06 CN CN201922170608.XU patent/CN211501095U/en active Active
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