CN206513526U - Noise-proofing mechanical pump cover - Google Patents
Noise-proofing mechanical pump cover Download PDFInfo
- Publication number
- CN206513526U CN206513526U CN201720089315.7U CN201720089315U CN206513526U CN 206513526 U CN206513526 U CN 206513526U CN 201720089315 U CN201720089315 U CN 201720089315U CN 206513526 U CN206513526 U CN 206513526U
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- China
- Prior art keywords
- cover
- noise
- mechanical pump
- shaped
- absorbing
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Abstract
The utility model discloses noise-proofing mechanical pump cover, the cover frame of cover body is provided with beam, acoustical panel and heat sink from inside to outside, arc-shaped cover is formed by upper dust cover and lower sound-absorbing cover bending, upper dust cover is made up of the arch-shaped side plate of multiple bending with the bottom plate for being fixedly connected on side plate bottom, and U-shaped elastic rib is staggeredly equipped between side plate and bottom plate；Lower sound-absorbing cover is set in the middle part of convoluted polyurethane acoustical cotton, acoustical cotton be embedded with reverse taper holes, the bottom plate of upper dust cover and the tangent setting of lower sound-absorbing cover.Cover frame is played a supporting role, cover frame plays the effect of damping, noise reduction and radiating, deadening is played by arc-shaped cover, upper dust cover improves the totally-enclosed property and supportive in covering on top space, lower sound-absorbing cover is conducive to the noise sent to mechanical pump to carry out absorption convergence, carries out sound insulation by polyurethane sound-absorbing cotton, not only volume is relatively small, and good sound insulation, dust-proof and damping effect can be realized in the case where not reducing pumping efficiency.
Description
Technical field
The utility model belongs to detection device technical field, and in particular to noise-proofing mechanical pump cover.
Background technology
Mass-spectrometric technique etc. is newest to examine detection and analysis technology is increasingly wider to be widely used in scientific research, food security inspection
The multiple fields such as survey, environment measuring, drug test, the instrument and equipment such as mass spectrograph could must work under a high vacuum, therefore very
Empty technology is particularly important to laboratory apparatus such as mass-spectrometric techniques.The instrument company such as major mass spectrometers all configures corresponding big in recent years
Thus power vavuum pump, to obtain required vacuum, but also cause the noise in laboratory to increase.
Mechanical pump is air extractor necessary to vacuum system, and traditional mechanical pump noise is big, vibrations are violent, with experiment
The environmental requirement of room, semi-conducting material and device production department is incompatible.Worked for a long time under noisy environment, work can be caused
The problems such as there is dispersion attention, make one uneasy and anxiety, slow in reacting, easy fatigue, work efficiency drop in personnel, to human body
Health have much more harms than benefits.Meanwhile, excessive noise obviously also result in the severe of working environment, to improving scientific research personnel
Working environment, improving the overall looks in laboratory has very detrimental effect.Conventional method is interrupter-type processing, i.e. handle at present
Whole vacuum system is closed with sound arrester, to block noise.But not only space-consuming is larger for conventional sound arrester, and
And noise reduction is unsatisfactory with damping effect, cause to be restricted using scope.As mass-spectrometric technique is more and more ripe and popularization, change
Kind working environment has also increasingly been taken seriously, the reduction especially numerous Mass Spectrum Laboratory workers' of vavuum pump mechanical pump noise
Heartfelt wishes.Thus, the solution for wanting a kind of Laboratory Instruments flat noise reduction is needed badly, to reduce making an uproar for current Laboratory Instruments equipment
Sound level.
Utility model content
For problems of the prior art, the purpose of this utility model is to provide noise-proofing mechanical pump cover.
The technical scheme that the utility model is taken is：
Noise-proofing mechanical pump cover, including cover body, cover body include the symmetrically arranged cover frame in both sides and ride upon cover arch
Arc-shaped cover, cover frame is provided with beam, acoustical panel and heat sink from inside to outside, and the arc-shaped cover is by upper dust cover and lower sound-absorbing
Cover bending is formed, and upper dust cover is made up of the arch-shaped side plate of multiple bending with the bottom plate for being fixedly connected on side plate bottom, side plate
U-shaped elastic rib is staggeredly equipped between bottom plate；Lower sound-absorbing cover is set to convoluted polyurethane acoustical cotton, and the middle part of acoustical cotton is embedding
Provided with reverse taper holes, the bottom plate of upper dust cover and the tangent setting of lower sound-absorbing cover.
Further, the beam is set to the structure that oval sacculus is in turn connected to form, the inside center of sacculus
Position is axially disposed square separate space.Sacculus itself has certain elastic shrinkage, upholds performance, and the vibrations to mechanical pump are entered
Row buffering, can effectively absorb the vibrations produced in mechanical pump running and noise, the square separate space of balloon interior, to sound
Certain barriering effect is played in propagation, noise is carried out bounce-back elimination in the space that sacculus and square separate space are formed, so as to drop
Low noise, with good damping effect, the advantage of service life length.
Further, the acoustical panel is set to Hollow dumb-bell template and circulates the noise reduction unit that connection is formed from top to bottom,
It is arranged in a crossed manner at the drift angle of Hollow dumb-bell template to have X-shaped support frame.The dumbbell shape structure of acoustical panel, the radian of its both sides is set,
Increase the contact surface of sound transmission, internal X-shaped support frame plays good support effect, it is ensured that the operation of mechanical pump is steady
Fixed and security, can effectively reduce the noise of mass spectrum mechanical pump, and solve that mass spectrum mechanical pump brings in the course of the work makes an uproar
Sound perplexs, and can provide a health fine working environment to vast mass spectrum worker.
Further, the wave structure that the heat sink is set to crest plate, the circulation of trough plate is connected and composed, crest
Plate, trough plate are arranged in regular curve.
Further, heat emission hole is equidistantly provided with the inclined-plane of the heat sink diagonally downward, heat emission hole is in scale
Shape is arranged.Requirement due to mass spectrum to vacuum is higher, so the requirement of its mechanical pump is also very high, the inner side of heat sink is by subtracting
The structure of shake pad, acoustical panel composition, it is ensured that the confined space required for mechanical pump, meanwhile, the special construction of heat sink, increase
Itself and extraneous area of dissipation, the particular row of the arrangement mode of heat emission hole, thermal convection current mode are strong, can fast and effeciently carry out
Heat exchange, improves rate of heat dissipation.
Further, the cover frame side of the cover body sets air inlet, and arc-shaped cover top is provided with exhaust outlet, arc-shaped cover
Thickness is more than the thickness of cover frame.
The beneficial effects of the utility model are：
Cover body is erected at the outside of mechanical pump by the utility model, is played a supporting role by the cover frame of cover body, and cover frame rises
To the effect of damping, noise reduction and radiating, deadening is played by arc-shaped cover, upper dust cover improves the complete of covering on top space
Closure and supportive, the polyurethane sound-absorbing cotton of lower sound-absorbing cover increase its contact area with cover body lower cavity, are conducive to
The noise sent to mechanical pump carries out absorption convergence, carries out sound insulation by polyurethane sound-absorbing cotton, it is ensured that soundproof effect, not only volume
It is relatively small, and good sound insulation, dust-proof and damping effect can be realized in the case where not reducing pumping efficiency.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is the structural representation of cover frame in the utility model.
Wherein, 1, cover frame；2nd, U-shaped elastic rib；3rd, side plate；4th, bottom plate；5th, acoustical cotton；6th, reverse taper holes；7th, sacculus；8th, it is square
Separate space；9th, acoustical panel；10th, X-shaped support frame；11st, heat emission hole；12nd, heat sink.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
Embodiment 1
As shown in figure 1, noise-proofing mechanical pump cover, including cover body, cover body is including the symmetrically arranged cover frame 1 in both sides and sets up
Arc-shaped cover at the top of cover frame 1, cover frame 1 is provided with beam, acoustical panel 9 and heat sink 12 from inside to outside, the arc-shaped cover by
Upper dust cover and lower sound-absorbing cover bending are formed, upper dust cover by multiple bending arch-shaped side plate 3 and be fixedly connected on the bottom of side plate 3
The bottom plate 4 in portion is constituted, and U-shaped elastic rib 2 is staggeredly equipped between side plate 3 and bottom plate 4；Lower sound-absorbing cover is set to convoluted polyurethane
Acoustical cotton 5, the middle part of acoustical cotton 5 is embedded with reverse taper holes 6, the bottom plate 4 of upper dust cover and the tangent setting of lower sound-absorbing cover.
Specifically used process is：Cover body is erected to the outside of mechanical pump, played a supporting role by the cover frame 1 of cover body,
Cover frame 1 plays the effect of damping, noise reduction and radiating, and deadening, the outside of the upper dust cover of arc-shaped cover are played by arc-shaped cover
For arc, the dust at top is set to fall back to cover body both sides, it is to avoid ash is deposited at top, and it is dust-proof that arch-shaped side plate 3 and bottom plate 4 are constituted
Structure, stability of strutting system is strong, makes full use of space, the synergy of U-shaped elastic rib 2 improves the full envelope in covering on top space
Closing property and supportive, the polyurethane sound-absorbing cotton 5 of lower sound-absorbing cover, undulate increase its contact surface with cover body lower cavity
Product, the reverse taper holes 6 that the middle part of acoustical cotton 5 is embedded are conducive to the noise sent to mechanical pump to carry out absorption convergence, pass through polyurethane
Acoustical cotton 5 carries out sound insulation, it is ensured that soundproof effect, not only volume is relatively small, and can not reduce the situation of pumping efficiency
Under, realize good noise and vibration dampening effect.
Embodiment 2
On the basis of embodiment 1, different from embodiment 1, as shown in Fig. 2 beam is set to oval sacculus 7 successively
The structure formed is connected, the inner hub location of sacculus 7 is axially disposed square separate space 8.Sacculus 7 itself has certain bullet
Property shrink, uphold performance, the vibrations to mechanical pump enter row buffering, can effectively absorb the vibrations that are produced in mechanical pump running and
Certain barriering effect is played in square separate space 8 inside noise, sacculus 7, the propagation to sound, make noise sacculus 7 with it is square
The space that separate space 8 is formed carries out bounce-back elimination, so that noise is reduced, with good damping effect, the advantage of service life length.
Embodiment 3
On the basis of embodiment 1, different from embodiment 1, as shown in Fig. 2 acoustical panel 9 be set to Hollow dumb-bell template from
It is arranged in a crossed manner at the noise reduction unit that top to bottm circulation connection is formed, the drift angle of Hollow dumb-bell template to have X-shaped support frame 10.Acoustical panel
9 dumbbell shape structure, the radian of its both sides is set, and increases the contact surface of sound transmission, internal X-shaped support frame 10 plays good
Good support effect, it is ensured that the stable and security of mechanical pump, can effectively reduce the noise of mass spectrum mechanical pump, solve
The noise puzzlement that mass spectrum mechanical pump is brought in the course of the work, can provide health fine to vast mass spectrum worker
Working environment.
Embodiment 4
On the basis of embodiment 1, different from embodiment 1, as shown in Fig. 2 heat sink 12 is set to crest plate, trough plate
The wave structure that connects and composes is circulated, crest plate, trough plate are in regular curve arrangement, the heat sink 12 diagonally downward oblique
Heat emission hole 11 is equidistantly provided with face, heat emission hole 11 is arranged in scale shape.Requirement due to mass spectrum to vacuum is higher, institute
It is also very high with the requirement of its mechanical pump, the structure that the inner side of heat sink 12 is made up of beam, acoustical panel 9, it is ensured that mechanical pump
Required confined space, meanwhile, the special construction of heat sink 12 increases itself and extraneous area of dissipation, heat emission hole 11
The particular row of arrangement mode, thermal convection current mode is strong, can fast and effeciently carry out heat exchange, improve rate of heat dissipation.
The cover frame 1 of cover body sets air inlet sideways, and arc-shaped cover top is provided with exhaust outlet, and the thickness of arc-shaped cover is more than cover frame
1 thickness, both ensure that stability of strutting system, and good air circulation is served again, and dust-proof, radiating effect is good.
Described above is not to limitation of the present utility model, it should be pointed out that：For the ordinary skill people of the art
For member, on the premise of the utility model essential scope is not departed from, some variations, modifications, additions or substitutions can also be made,
These improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (6)
1. noise-proofing mechanical pump cover, it is characterised in that including cover body, cover body includes the symmetrically arranged cover frame in both sides and ridden upon
The arc-shaped cover of cover arch, cover frame is provided with beam, acoustical panel and heat sink from inside to outside, and the arc-shaped cover is by upper dust cover
Formed with lower sound-absorbing cover bending, upper dust cover by multiple bending arch-shaped side plate and be fixedly connected on the bottom plate group of side plate bottom
Into being staggeredly equipped with U-shaped elastic rib between side plate and bottom plate；Lower sound-absorbing cover is set to convoluted polyurethane acoustical cotton, acoustical cotton
Middle part be embedded with reverse taper holes, the bottom plate of upper dust cover and lower sound-absorbing cover is tangent sets.
2. noise-proofing mechanical pump cover according to claim 1, it is characterised in that the beam be set to oval sacculus according to
The structure that secondary connection is formed, the inner hub location of sacculus is axially disposed square separate space.
3. noise-proofing mechanical pump cover according to claim 1, it is characterised in that the acoustical panel is set to Hollow dumb-bell template
It is arranged in a crossed manner at the noise reduction unit that circulation connection is formed from top to bottom, the drift angle of Hollow dumb-bell template to have X-shaped support frame.
4. noise-proofing mechanical pump cover according to claim 1, it is characterised in that the heat sink is set to crest plate, trough
The wave structure that plate circulation is connected and composed, crest plate, trough plate are arranged in regular curve.
5. noise-proofing mechanical pump cover according to claim 4, it is characterised in that the inclined-plane of the heat sink diagonally downward is first-class
Spacing is provided with heat emission hole, and heat emission hole is arranged in scale shape.
6. noise-proofing mechanical pump cover according to claim 1, it is characterised in that the cover frame side of the cover body sets air intake
Mouthful, arc-shaped cover top is provided with exhaust outlet, and the thickness of arc-shaped cover is more than the thickness of cover frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720089315.7U CN206513526U (en) | 2017-01-22 | 2017-01-22 | Noise-proofing mechanical pump cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720089315.7U CN206513526U (en) | 2017-01-22 | 2017-01-22 | Noise-proofing mechanical pump cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206513526U true CN206513526U (en) | 2017-09-22 |
Family
ID=59865771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720089315.7U Expired - Fee Related CN206513526U (en) | 2017-01-22 | 2017-01-22 | Noise-proofing mechanical pump cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206513526U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999438A (en) * | 2019-04-23 | 2019-07-12 | 米建军 | A kind of inflatable hollow sphere of noise reduction |
-
2017
- 2017-01-22 CN CN201720089315.7U patent/CN206513526U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999438A (en) * | 2019-04-23 | 2019-07-12 | 米建军 | A kind of inflatable hollow sphere of noise reduction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 Termination date: 20190122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |