CN217682153U - Silencer for large vacuum pump - Google Patents

Silencer for large vacuum pump Download PDF

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Publication number
CN217682153U
CN217682153U CN202221702421.5U CN202221702421U CN217682153U CN 217682153 U CN217682153 U CN 217682153U CN 202221702421 U CN202221702421 U CN 202221702421U CN 217682153 U CN217682153 U CN 217682153U
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China
Prior art keywords
vacuum pump
sound
silencing
sound insulation
proof box
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CN202221702421.5U
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Chinese (zh)
Inventor
汪耳洲
刘吉军
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Orion Machinery Shanghai Co Ltd
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Orion Machinery Shanghai Co Ltd
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Priority to CN202221702421.5U priority Critical patent/CN217682153U/en
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Abstract

The utility model discloses a silencing device that large-scale vacuum pump was used, the vacuum pump is equipped with the sound-proof box that holds the vacuum pump outward, be equipped with the vacuum layer in the sound-proof box case shell, the bottom surface is equipped with the shock pad in the sound-proof box, be equipped with the mounting panel on the shock pad, be equipped with a plurality of spring damper above the mounting panel, the spring damper other end is equipped with the installed part, the vacuum pump is installed above the installed part, outlet duct and intake pipe free end all extend the sound-proof box to opposite direction from the vacuum pump above through last, be equipped with first acoustical panel above the vacuum pump between and the sound-proof box, the side relative in the sound-proof box is equipped with the second acoustical panel, relative side just is less than the second acoustical panel and is equipped with a plurality of third acoustical panel in the sound-proof box, be equipped with the scavenger fan above the sound-proof box, just be located and be equipped with the baffle between the venthole, be equipped with the noise reduction cover above the baffle. The advantages are that: the whole structure has the advantages of shock absorption, noise reduction and heat dissipation performance improvement.

Description

Silencer for large vacuum pump
Technical Field
The utility model relates to a vacuum pump technical field specifically indicates a silencing device that large-scale vacuum pump was used.
Background
The vacuum pump refers to a device or equipment for obtaining vacuum by pumping a pumped container by using a mechanical, physical, chemical or physicochemical method. In general, a vacuum pump is a device for improving, generating and maintaining a vacuum in a certain closed space by various methods.
Chinese utility model patent No. CN202121491994.3 discloses a silencing device for vacuum pump, including box, base, sleeve one, sleeve two, the pump body, intake pipe and outlet duct. The scheme is that the silencing device for the vacuum pump is characterized in that a first sleeve, a second sleeve, a sliding block, an arc-shaped plate, a second cushion pad and a first spring are arranged, so that a vibrating air inlet pipe and a vibrating air outlet pipe can be buffered and damped; the noise generated by the air inlet pipe and the air outlet pipe can be absorbed by the aid of the first sound insulation layer, the noise generated by the pump body can be absorbed by the aid of the second sound insulation layer, and the noise transmission is reduced by the aid of the vacuum cavity and the box body; the vibration pump body can be buffered and damped through the arranged buffer and the first buffer pad; the heat in the box body can be exhausted by the arranged exhaust fan. However, the exhaust fan can emit some noise even after long-term operation, so the noise reduction effect of the structure is general, and a new technology is provided based on the structure.
SUMMERY OF THE UTILITY MODEL
The utility model provides an foretell exhaust fan long-term operation also can send some noise technical problem, provides the silencing device that the performance of making an uproar was fallen in whole improvement that also falls to the exhaust fan was used to large-scale vacuum pump.
In order to solve the technical problem, the utility model provides a technical scheme does: a silencing device for a large vacuum pump comprises a vacuum pump in the prior art, wherein a sound insulation box for accommodating the vacuum pump is arranged outside the vacuum pump, a vacuum layer is arranged in the shell of the sound insulation box, a shock pad is arranged on the bottom surface in the sound insulation box, a mounting plate is arranged on the shock pad, a plurality of spring dampers are arranged on the mounting plate, a mounting part is arranged at the other end of each spring damper, the vacuum pump is arranged on the mounting part, an air inlet pipe is communicated with the input end of the vacuum pump, an air outlet pipe is communicated with the output end of the vacuum pump, the free ends of the air outlet pipe and the air inlet pipe extend out of the sound insulation box from the upper surface of the vacuum pump in opposite directions, a first silencing plate is arranged between the upper surface of the vacuum pump and the sound insulation box, a first through hole through which the air inlet pipe and the air outlet pipe pass is arranged on the first silencing plate, and a second silencing plate is arranged on the opposite side surface in the sound insulation box and higher than the input end and the output end of the vacuum pump, the second silencing plate is provided with a second through hole through which an air inlet pipe and an air outlet pipe penetrate, a plurality of third silencing plates are arranged on opposite side surfaces in the sound-proof box and are lower than the second silencing plate, air outlet holes are formed in the upper surface in the sound-proof box and are positioned at two sides of the first silencing plate, a plurality of air inlets are formed in the sound-proof box and are lower than the third silencing plates, ventilating fans are arranged in the air outlet holes, partition plates are arranged on the upper surface of the sound-proof box and between the air outlet holes, a silencing cover is arranged on the upper surface of each partition plate, a gap is formed between the lower surface of each silencing cover and the sound-proof box, fourth silencing plates are arranged on the far side surfaces in the sound-proof cover, fifth silencing plates are vertically connected below the fourth silencing plates, sixth silencing plates are arranged on the side surfaces, which are close to the fifth silencing plates, and seventh silencing plates are vertically connected above the sixth silencing plates and higher than the fifth silencing plates, a plurality of exhaust holes are formed in the silencing cover, and filter screens are arranged on the exhaust holes and the air inlet to intercept foreign dust.
Furthermore, the shock pad thickness is 5cm, and the shock attenuation effect is the best, and is difficult to make the vacuum pump rock.
Furthermore, sound-absorbing cotton is arranged below the fifth sound-absorbing plate and the seventh sound-absorbing plate, so that the noise reduction effect is enhanced.
Furthermore, vortex wings for guiding air are arranged on the upper surface of the sound insulation box and on the outer side surface of the ventilating fan, and the air of the ventilating fan is guided into the silencing cover.
Furthermore, the vortex wings are annularly arranged around the ventilating fan, so that air is better guided.
Compared with the prior art, the utility model the advantage lie in: the utility model discloses the product sets up a plurality of acoustical boards, because the acoustical board itself is just from taking the hole, and the first through-hole that sets up, the second through-hole, do benefit to the whole air flow in the sound-proof box, make first acoustical board, the second acoustical board, the noise that the third acoustical board sent the vacuum pump in to give sound insulation the box falls and makes an uproar, lower temperature sound-proof box and vacuum pump by the exhaust fan, and exhaust fan air outlet has set up the fifth acoustical board, seventh acoustical board isotructure, make the air of introducing pass through when inhaling between the sound cotton with the zigzag mode and consume the mobile energy, mobile noise is inhaled sound cotton and fifth acoustical board, seventh acoustical board isotructure absorbs, noise and vibration can significantly reduce.
Drawings
Fig. 1 is a schematic structural view of a silencer for a large-scale vacuum pump according to the present invention.
Fig. 2 is an external view structure diagram of a silencer for a large-scale vacuum pump of the present invention.
Fig. 3 is a schematic view of the vortex wing overlooking structure of the silencer for the large vacuum pump of the present invention.
As shown in the figure: 1. vacuum pump, 2, sound-proof box, 3, vacuum layer, 4, shock pad, 5, mounting panel, 6, spring damper, 7, intake pipe, 8, outlet duct, 9, vortex wing, 11, first acoustical panel, 12, first through-hole, 13, second acoustical panel, 14, second through-hole, 15, third acoustical panel, 16, venthole, 17, air inlet, 18, scavenger fan, 19, baffle, 20, noise cover, 21, fourth acoustical panel, 22, fifth acoustical panel, 23, sixth acoustical panel, 24, seventh acoustical panel, 25, exhaust hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the attached drawings 1, 2 and 3, the silencer for the large vacuum pump comprises a vacuum pump 1, a sound insulation box 2 for accommodating the vacuum pump 1 is arranged outside the vacuum pump 1, a vacuum layer 3 is arranged in the shell of the sound insulation box 2, a shock absorption pad 4 is arranged on the inner bottom surface of the sound insulation box 2, a mounting plate 5 is arranged on the shock absorption pad 4, a plurality of spring dampers 6 are arranged on the mounting plate 5, a mounting part is arranged at the other end of each spring damper 6, the vacuum pump 1 is mounted on the mounting part, an air inlet pipe 7 is communicated with the input end of the vacuum pump 1, an air outlet pipe 8 is communicated with the output end of the vacuum pump 1, the free ends of the air outlet pipe 8 and the air inlet pipe 7 extend out of the sound insulation box 2 from the upper surface of the vacuum pump 1 in opposite directions, a first sound insulation plate 11 is arranged between the upper surface of the vacuum pump 1 and the sound insulation box 2, and a first through hole 12 through which the air inlet pipe 7 and the air outlet pipe 8 penetrate is arranged on the first sound insulation plate 11, therefore, the sound generated by the air flowing in the air inlet pipe and the air pipe can be eliminated, the second silencing plate 13 is arranged on the opposite side surface in the sound insulation box 2 and higher than the input end and the output end of the vacuum pump 1, the second silencing plate 13 is provided with a second through hole 14 through which the air inlet pipe 7 and the air outlet pipe pass, so that the sound generated by the air flowing in the air inlet pipe and the air pipe can be eliminated, a plurality of third silencing plates 15 are arranged on the opposite side surface in the sound insulation box 2 and lower than the second silencing plate 13, air outlet holes 16 are arranged on the upper surface in the sound insulation box 2 and positioned at two sides of the first silencing plate 11, a plurality of air inlets 17 are arranged in the sound insulation box 2 and lower than the third silencing plates 15, ventilation fans 18 are arranged in the air outlet holes 16, and partition plates 19 are arranged on the sound insulation box 2 and between the air outlet holes 16, the novel sound insulation box is characterized in that a sound insulation cover 20 is arranged on the partition plate 19, a gap is arranged between the lower surface of the sound insulation cover 20 and the sound insulation box 2, a fourth sound insulation plate 21 is arranged on the far side surface in the sound insulation cover 20, a fifth sound insulation plate 22 is vertically connected to the lower surface of the fourth sound insulation plate 21, a sixth sound insulation plate 23 is arranged on the side surface, close to the fifth sound insulation plate 22, of the partition plate 19, a seventh sound insulation plate 24 is vertically connected to the upper surface of the sixth sound insulation plate 23 and higher than the fifth sound insulation plate 22, and a plurality of exhaust holes 25 are formed in the upper surface of the sound insulation cover 20.
The shock pad 4 thickness is 5cm, and the shock attenuation effect is best, and is difficult to make the vacuum pump rock.
Sound-absorbing cotton is arranged below the fifth sound-absorbing plate 22 and the seventh sound-absorbing plate 24, so that the noise reduction effect is enhanced.
The vortex wing 9 for guiding wind is arranged on the upper surface of the sound insulation box 2 and on the outer side surface of the ventilating fan 18, and guides the wind of the ventilating fan 18 into the silencing cover.
The vortex wing 9 is arranged around the ventilation fan 18 in a ring shape, so that air can be better guided.
The utility model discloses when concrete implementation, the vibration that spring damper and the damper that set up sent when vacuum pump work is cushioned, the utility model discloses the product sets up a plurality of acoustical panels, because acoustical panel itself just from taking the hole, and the first through-hole that sets up, the second through-hole, do benefit to the whole air flow in the sound-proof box, make first acoustical panel, the second acoustical panel, the noise that the third acoustical panel sent to the vacuum pump during operation and vibration in the sound-proof box falls and make an uproar, cool down sound-proof box and vacuum pump by the exhaust fan, and the exhaust fan air outlet has set up the fifth acoustical panel, seventh acoustical panel isotructure, make the air of introducing with the zigzag mode through consumption flow energy when inhaling between the sound cotton, flow noise is inhaled sound cotton and fifth acoustical panel, structure absorption such as seventh acoustical panel, noise and vibration can significantly reduce, whole structure shock attenuation like this, heat dispersion falls, all improve greatly.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims (5)

1. The utility model provides a silencing device that large-scale vacuum pump was used, includes the vacuum pump, its characterized in that: the vacuum pump is externally provided with a sound insulation box for accommodating the vacuum pump, a vacuum layer is arranged in the shell of the sound insulation box, the bottom surface in the sound insulation box is provided with a shock pad, a mounting plate is arranged on the shock pad, a plurality of spring dampers are arranged on the mounting plate, the other end of each spring damper is provided with a mounting part, the vacuum pump is arranged on the mounting part, the input end of the vacuum pump is communicated with an air inlet pipe, the output end of the vacuum pump is communicated with an air outlet pipe, the free ends of the air outlet pipe and the air inlet pipe extend out of the sound insulation box from the upper surface of the vacuum pump in opposite directions, a first sound insulation plate is arranged between the upper surface of the vacuum pump and the sound insulation box, the first sound insulation plate is provided with a first through hole through which the air inlet pipe and the air outlet pipe pass, the opposite side surface in the sound insulation box is higher than the input end and the output end of the vacuum pump, and is provided with a second sound insulation plate, the second silencing plate is provided with a second through hole through which an air inlet pipe and an air outlet pipe penetrate, a plurality of third silencing plates are arranged on opposite side surfaces in the sound-proof box and are lower than the second silencing plate, air outlet holes are formed in the upper surface in the sound-proof box and are positioned at two sides of the first silencing plate, a plurality of air inlets are formed in the sound-proof box and are lower than the third silencing plates, ventilating fans are arranged in the air outlet holes, partition plates are arranged on the upper surface of the sound-proof box and between the air outlet holes, a silencing cover is arranged on the upper surface of each partition plate, a gap is formed between the lower surface of each silencing cover and the sound-proof box, fourth silencing plates are arranged on the far side surfaces in the sound-proof box, fifth silencing plates are vertically connected below the fourth silencing plates, sixth silencing plates are arranged on the side surfaces, which are close to the fifth silencing plates, and seventh silencing plates are vertically connected above the sixth silencing plates and higher than the fifth silencing plates, the silencing cover is provided with a plurality of exhaust holes.
2. The silencer assembly for a large-scale vacuum pump according to claim 1, wherein: the shock pad thickness is 5cm.
3. The silencer for the large vacuum pump according to claim 1, wherein: and sound-absorbing cotton is arranged below the fifth sound-absorbing plate and the seventh sound-absorbing plate.
4. The silencer assembly for a large-scale vacuum pump according to claim 1, wherein: vortex wings for guiding wind are arranged on the upper surface of the sound insulation box and on the outer side surface of the ventilating fan.
5. The silencer assembly for a large-scale vacuum pump according to claim 4, wherein: the vortex wing is annularly arranged around the ventilation fan.
CN202221702421.5U 2022-07-04 2022-07-04 Silencer for large vacuum pump Active CN217682153U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221702421.5U CN217682153U (en) 2022-07-04 2022-07-04 Silencer for large vacuum pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221702421.5U CN217682153U (en) 2022-07-04 2022-07-04 Silencer for large vacuum pump

Publications (1)

Publication Number Publication Date
CN217682153U true CN217682153U (en) 2022-10-28

Family

ID=83714738

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221702421.5U Active CN217682153U (en) 2022-07-04 2022-07-04 Silencer for large vacuum pump

Country Status (1)

Country Link
CN (1) CN217682153U (en)

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