CN203430736U - Silencing device for vacuum mechanical pump - Google Patents
Silencing device for vacuum mechanical pump Download PDFInfo
- Publication number
- CN203430736U CN203430736U CN201320504394.5U CN201320504394U CN203430736U CN 203430736 U CN203430736 U CN 203430736U CN 201320504394 U CN201320504394 U CN 201320504394U CN 203430736 U CN203430736 U CN 203430736U
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- CN
- China
- Prior art keywords
- mechanical pump
- vacuum mechanical
- silencer
- pump
- material layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model provides a silencing device for a vacuum mechanical pump. The silencing device for the vacuum mechanical pump comprises a shell arranged on the vacuum mechanical pump. A silencing material layer is arranged on the inner layer of the shell. The shell is provided with a plastic pipe connector, a waste gas exhaust pipe connector and an observation window corresponding to an oil level display screen of pump oil, wherein the plastic pipe connector and the waste gas exhaust pipe connector are connected with pump oil backflow. The window is provided with a transparent material layer. As the shell is arranged on the surface of the vacuum mechanical pump, the silencing material layer is arranged inside the shell, and the surface of the shell is provided with the plastic pipe connector and the waste gas exhaust pipe connector which are connected with the pump oil backflow, gas in an instrument can be pumped and exhausted, and the oil level display screen of the pump oil can be observed conveniently through the preserved window; through buffering and absorption to the vibration of the vacuum mechanical pump by the silencing material layer, and sound insulation of the outer shell, noise made by the vacuum mechanical pump can be eliminated greatly, noise pollution to the environment is reduced, and injury to the human body is reduced.
Description
Technical field
The utility model belongs to noise removal technical field, relates in particular to a kind of silencer for vacuum mechanical pump.
Background technique
LC-MS instrument is Liquid Chromatography-Tandem Mass Spectrometry instrument, is widely used a kind of large-scale analytical and testing instrument in food safety detection field at present, is used for the detection of chemical residue in food.Art designs principle from instrument, its analyzing and testing to chemical substance is to realize in the nucleon number under vacuum state by measuring compound, therefore, it is the most important condition that instrument detects smoothly that a stable vacuum environment is provided, and the effect of mechanical pump is wherein to provide vacuum environment for instrument.
Mechanical pump is connected with instrument by the plastic tube for bleeding, pump oil refluxes, when mechanical pump is opened, by plastic tube, the air in instrument is extracted out, by flue gas leading, discharge again, when mechanical pump is opened, the sound that during pump housing operation, vibration is sent is also discharged in environment endlessly, to environment, has caused a large amount of noise pollution, accordingly, noise has also caused great harm to the inspector in equivalent environment healthy.
Model utility content
The purpose of this utility model is to provide a kind of silencer for vacuum mechanical pump, with the problem that solves prior art because of mechanical pump sound of vibration when the operation excessive, the problem of the noise pollution causing to environment, thus the injury to the staff in this working environment reduced.
The utility model is to realize like this, a kind of silencer for vacuum mechanical pump, described device comprises the housing that is arranged at vacuum mechanical pump, internal layer at described housing is provided with sound-absorbing material layer, observation window corresponding to pasta screen position that is provided with the plastics pipe interface, exhaust emission tube interface and the pump oil that connect the backflow of pump oil on described housing, is provided with transparent material layer on described window.
Preferably, also have suction port and relief opening on described housing, the inner side of described suction port and air outlet is provided with the ventilating fan mating with described suction port and relief opening.
Preferably, described housing comprises upper cover and casing, and a side of described upper cover and casing are hinged by hinge, and the opposite side of described upper cover is provided with the interface arrangment matching with casing, can be around described hinge rotation to the clamping position that makes housing closure.
Preferably, the bottom of described housing is provided with pulley.
Further, described pulley is Multi-direction pulley wheel.
Preferably, described housing is metal shell.
Further, described metal shell is iron-clad.
Preferably, described sound-absorbing material layer is sound-absorbing sponge or sound-absorbing foam.
In the utility model, by the surface at vacuum mechanical pump, be provided with housing, in housing, be provided with sound-absorbing material layer, on the surface of housing, be also provided with and connect plastics pipe interface and the exhaust emission tube interface that pump oil refluxes, air in instrument can be extracted out and discharged, and by reserved window, can conveniently observe the pasta display screen of pump oil, and snubber vacuum mechanical pump being vibrated by sound-absorbing material layer, pass through again the sound insulation of shell, can greatly eliminate the noise that mechanical pump sends, reduced the noise pollution to environment, the injury of minimizing to the person.
Further, by suction port and relief opening are set, and at suction port and relief opening, ventilating fan is set, can will be positioned at the cross-ventilation of the sound-absorbing material layer of housing, in time moisture is wherein discharged, avoid occurring that because sound-absorbing material layer is set mildew is smelly etc.
Further, described housing is set to the structure of upper cover and casing, can be conveniently by upper cover around hinge open or structure clamping by clamping to closed position, can be more convenient vacuum mechanical pump installation and removal is operated.
Further, in the bottom of housing, be provided with pulley, can be so that the move operation of silencer.
Accompanying drawing explanation
Fig. 1 is the side structure schematic diagram of the silencer of the vacuum mechanical pump that provides of the utility model embodiment;
Fig. 2 is the AA directional profile structural representation of Fig. 1 of providing of the utility model embodiment;
The side structure schematic diagram of the B direction of Fig. 2 that Fig. 3 provides for the utility model embodiment;
The side structure schematic diagram of the C direction of Fig. 2 that Fig. 4 provides for the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technological scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figures 1 to 4, the side structure schematic diagram of the silencer of vacuum mechanical pump described in the utility model, described silencer comprises the housing 1 that is arranged at vacuum mechanical pump, internal layer at described housing 1 is provided with sound-absorbing material layer 2, observation window 5 corresponding to pasta screen position that is provided with the plastics pipe interface 3, exhaust emission tube interface 4 and the pump oil that connect the backflow of pump oil on described housing 1, is provided with transparent material layer on described observation window 5.
Wherein, the shape of described housing 1 and the shape of vacuum mechanical pump adapt, and its size is slightly larger than the size of vacuum mechanical pump, in the inner side of housing 1, is provided with sound-absorbing material layer 2, can be embedded in by stickup or other structure the inwall of housing 1.
The plastics pipe interface 3 that described connection pump oil refluxes connects instrument, for refluxing the air of instrument extracted out by pump oil, by described outlet port 4 by Bas Discharged, in addition, observe for convenience the pasta of pump oil, on housing 1, be also provided with observation window 5, by transparent plastic materials or glass material, be arranged at described observation window 5.
Due to the snubber of the 2 pairs of vacuum mechanical pumps of sound-absorbing material layer vibration, then pass through the sound insulation of shell 1, can greatly eliminate the noise that mechanical pump sends, reduced the noise pollution to environment, reduce the injury to the person.
Further, also have suction port 6 and relief opening 7 on described housing, the inner side of described suction port and air outlet is provided with the ventilating fan mating with described suction port and relief opening.Can will be positioned at the cross-ventilation of the sound-absorbing material layer of housing, in time moisture wherein be discharged, avoid occurring that because sound-absorbing material layer is set mildew is smelly etc.As shown in Figure 3 and Figure 4, two relative sides, be respectively arranged with two suction ports and two relief openings.The power supply of described ventilating fan can be powered after power interface and transformer 8 transformations are set on housing, also can adopt other battery powered mode.
Further, described housing 1 comprises upper cover 11 and casing 12, one side of described upper cover 11 and casing 12 are hinged by hinge, and the opposite side of described upper cover 11 is provided with the interface arrangment 10 matching with casing, can be around described hinge rotation to the clamping position that makes housing 1 closure.Certainly, upper cover is a kind of closed manners wherein just, can also be in each side or a plurality of side carry out the setting of opening and closing device, at this, do not do concrete restriction.Can be more convenient vacuum mechanical pump installation and removal be operated.
In addition, further, in the bottom of described housing, be provided with pulley 9, can facilitate the movement of vacuum mechanical pump, described pulley can be Multi-direction pulley wheel, thereby convenient its moves flexibly.
Further, described housing is metal shell.Described metal shell is iron-clad or box hat etc., can protect vacuum mechanical pump, also can insulate against sound.
Further, described sound-absorbing material layer is sound-absorbing sponge or sound-absorbing foam.Effectively to complete the snubber to acoustical vibration.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. the silencer for vacuum mechanical pump, it is characterized in that, described device comprises the housing that is arranged at vacuum mechanical pump, internal layer at described housing is provided with sound-absorbing material layer, observation window corresponding to pasta screen position that is provided with the plastics pipe interface, exhaust emission tube interface and the pump oil that connect the backflow of pump oil on described housing, is provided with transparent material layer on described observation window.
2. according to claim 1 for the silencer of vacuum mechanical pump, it is characterized in that, on described housing, also have suction port and relief opening, the inner side of described suction port and air outlet is provided with the ventilating fan mating with described suction port and relief opening.
3. according to claim 1 for the silencer of vacuum mechanical pump, it is characterized in that, described housing comprises upper cover and casing, one side of described upper cover and casing are hinged by hinge, the opposite side of described upper cover is provided with the interface arrangment matching with casing, can be around described hinge rotation to the clamping position that makes housing closure.
4. according to claim 1 for the silencer of vacuum mechanical pump, it is characterized in that, the bottom of described housing is provided with pulley.
5. according to claim 4 for the silencer of vacuum mechanical pump, it is characterized in that, described pulley is Multi-direction pulley wheel.
6. according to claim 1 for the silencer of vacuum mechanical pump, it is characterized in that, described housing is metal shell.
7. according to claim 6 for the silencer of vacuum mechanical pump, it is characterized in that, described metal shell is iron-clad.
8. according to claim 1 for the silencer of vacuum mechanical pump, it is characterized in that, described sound-absorbing material layer is sound-absorbing sponge or sound-absorbing foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320504394.5U CN203430736U (en) | 2013-08-16 | 2013-08-16 | Silencing device for vacuum mechanical pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320504394.5U CN203430736U (en) | 2013-08-16 | 2013-08-16 | Silencing device for vacuum mechanical pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203430736U true CN203430736U (en) | 2014-02-12 |
Family
ID=50059780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320504394.5U Expired - Lifetime CN203430736U (en) | 2013-08-16 | 2013-08-16 | Silencing device for vacuum mechanical pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203430736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552120A (en) * | 2017-09-14 | 2018-01-09 | 广州普礼实验技术有限公司 | A kind of mass spectrum table |
-
2013
- 2013-08-16 CN CN201320504394.5U patent/CN203430736U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552120A (en) * | 2017-09-14 | 2018-01-09 | 广州普礼实验技术有限公司 | A kind of mass spectrum table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |