CN207583629U - A kind of silencing case of machinery sliding vane rotary pump - Google Patents

A kind of silencing case of machinery sliding vane rotary pump Download PDF

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Publication number
CN207583629U
CN207583629U CN201721640492.6U CN201721640492U CN207583629U CN 207583629 U CN207583629 U CN 207583629U CN 201721640492 U CN201721640492 U CN 201721640492U CN 207583629 U CN207583629 U CN 207583629U
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China
Prior art keywords
rotary pump
babinet
sliding vane
vane rotary
air exhausting
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CN201721640492.6U
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Chinese (zh)
Inventor
杜微
贺雪梅
任发展
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Shaanxi Huaxin Testing Technology Co Ltd
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Shaanxi Huaxin Testing Technology Co Ltd
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Abstract

The utility model discloses a kind of silencing cases of mechanical sliding vane rotary pump, first by setting damping shock absorber, mechanical sliding vane rotary pump fixed plate and Rubber shock-absorbing pad in the bottom of box, mechanical sliding vane rotary pump is fixed, the vibration generated in operational process is cut down by damping, then the unobstructed of air draft had not only been ensured by the setting of air exhausting soundproofing body and acoustical cotton set in babinet, but also effectively closed noise transmission;Finally by the temperature controlling alarm and frequency conversion exhaust blower set in babinet, can air quantity be adjusted according to the temperature auto-changing fan frequency detected in babinet.The utility model, which is directed to the noise that mechanical sliding vane rotary pump generates, has the function of damping sound insulation, mute and cooling.

Description

A kind of silencing case of machinery sliding vane rotary pump
Technical field
During gas chromatograph-mass spectrometer use, the noise-proofing equipment of vacuum oil pump, and in particular to a kind of The silencing case of mechanical sliding vane rotary pump.
Background technology
Gas chromatography mass spectrometry GC-MS technologies start from later stage the 1950s, have concurrently chromatographic isolation it is efficient, it is quantitative accurate and Mass spectrographic high selectivity, distinguishing ability are strong, can provide abundant structural information, convenient for it is qualitative the features such as be widely used it is especially suitable In the analysis of volatile or easy derivative compound be a kind of very perfect Modern Methods.Low-polarity components are widely used In food, environment, textile inspection.
Low-polarity components need to work in a vacuum, and the quality of vacuum degree directly affects the performance of gas chromatograph-mass spectrometer. General vacuum system is made of two-stage vacuum, forepump and high-vacuum pump.The main function of forepump is to Gao Zhen Sky pump provides the environment of an operation, generally mechanical sliding vane rotary pump.The sound pressure level of mechanical sliding vane rotary pump in operation is in 75-85dB. In gas chromatography mass spectrometry operational process, mechanical sliding vane rotary pump needs continuous service, persistently generates noise.Noise can influence the hearing system of people System, nervous system generate very big harm to the health of human body.
Invention content
Of the existing technology in order to solve the problems, such as, the utility model proposes a kind of silencing case of mechanical sliding vane rotary pump, energy It is enough effectively to reduce the noise jamming generated during machinery sliding vane rotary pump continuous service.
In order to achieve the above object, the technical solution that the utility model is taken is as follows:
A kind of silencing case of machinery sliding vane rotary pump, including babinet 1 and temperature controlling alarm 2, the inside of the babinet 1 further includes Damping shock absorber 3, multiple frequency conversion exhaust blowers 4, multiple air exhausting soundproofing bodies 5, multiple acoustical cottons 6 and mechanical sliding vane rotary pump fixed plate 7;
The temperature controlling alarm 2 is embedded on babinet 1, and is electrically connected with frequency conversion exhaust blower 4, for in babinet 1 Temperature monitors in real time, and the temperature controlling alarm 2 includes temperature display, temp probe, power supply and buzzer;
The air exhausting soundproofing body 5 is connect with the frequency conversion exhaust blower 4, and the air exhausting soundproofing body 5 is maze-type structure cavity; The damping shock absorber 3 is located at the bottom of babinet 1, and the machinery sliding vane rotary pump fixed plate 7 is located at the top of damping shock absorber 3, and It is fixedly connected with damping shock absorber 3.
Further, the frequency conversion exhaust blower 4 is equal with the quantity of air exhausting soundproofing body 5 and corresponds, frequency conversion exhaust blower 4 Entirety is connected to become by ring flange with air exhausting soundproofing body 5.
Further, the air exhausting soundproofing body 5 is internally provided with multiple noise elimination baffles 12, and the multiple noise elimination baffle 12 is mutual It is staggered in the inside of air exhausting soundproofing body 5, forms labyrinth channel.
Further, the staggered mode of the multiple noise elimination baffle 12 is arranged on air draft for a noise elimination baffle 12 and disappears The upper inner wall of 5 housing of sound body, noise elimination baffle 12 adjacent thereto are arranged on the lower inner wall of 5 housing of air exhausting soundproofing body;The air draft Multiple acoustical cottons 6 are additionally provided in 5 inner walls of muffler body, the acoustical cotton 6 is between adjacent noise elimination baffle 12.
Further, the inner wall of the babinet 1 is additionally provided with acoustical cotton 6.
Further, the babinet 1 is internally provided with power outlet 8, for giving babinet 1 inside supply power supply;The case The outside of body 1 is equipped with power switch 9, and the power outlet 8 is connected with power switch 9, is used to implement 1 internal/external power of babinet, one key Control.
Further, the top of the babinet 1 is additionally provided with multiple universal wheels 10, and the universal wheel 10 is equipped with clamping lock.
Further, the top and bottom of the mechanical sliding vane rotary pump fixed plate 7 are respectively equipped with Rubber shock-absorbing pad.
Advantageous effect:Compared with prior art, a kind of silencing case of mechanical sliding vane rotary pump described in the utility model passes through first Damping shock absorber 3, mechanical sliding vane rotary pump fixed plate 7 and Rubber shock-absorbing pad in silencing case bottom are set, mechanical sliding vane rotary pump is fixed, it will The vibration generated in operational process is cut down by damping;
Secondly, the unobstructed of air draft had not only been ensured by the setting of air exhausting soundproofing body 5 and acoustical cotton 6, but also effectively closed made an uproar Acoustic propagation;
The temperature of box house can be monitored in real time finally by temperature controlling alarm 2, when detecting in babinet When temperature is more than preset temperature limit value, activation buzzer is alarmed, while automatically switch the running frequency of frequency conversion exhaust blower 4, The replacement of air quantity is increased, heat in babinet 1 is exchanged by frequency conversion exhaust blower 4 to outside babinet 1, cooling channel while prevents heat Radiation, it is ensured that mechanical sliding vane rotary pump is worked in always under suitable environment temperature.Pass through temperature controlling alarm 2 and frequency conversion exhaust blower 4 Electrical connection can adjust air quantity, to reach temperature control requirement according to temperature auto-changing fan frequency.
Description of the drawings
It, below will be to attached needed in embodiment in order to illustrate more clearly of the technical solution of the utility model Figure is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model, for For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings Attached drawing.
Fig. 1 is a kind of structure diagram of the silencing case of mechanical sliding vane rotary pump described in the present embodiment;
Fig. 2 is the sectional view of Fig. 1;
Fig. 3 is the connection diagram of frequency conversion exhaust blower and air exhausting soundproofing body in Fig. 1.
In figure:1- babinets, 2- temperature controlling alarms, 3- damping shock absorbers, 4- frequency conversions exhaust blower, 5- air exhausting soundproofings body, 6- Acoustical cotton, 7- machinery sliding vane rotary pumps fixed plate, 8- power outlets, 9- power switches, 10- universal wheels, 11- cabinet doors, 12- silencing barriers Plate.
Specific embodiment
In the description of the present invention, it is to be appreciated that term " " center ", " on ", " under ", "front", "rear", The orientation or position relationship of the instructions such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on attached drawing institutes The orientation or position relationship shown is for only for ease of description the utility model and simplifies description rather than instruction or imply signified Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that this practicality Novel limitation.
In the description of the present invention, unless otherwise indicated, " multiple " are meant that two or more.
The utility model is further elaborated with reference to the accompanying drawings and examples.
Embodiment
With reference to figure 1-3, a kind of silencing case of machinery sliding vane rotary pump, including babinet 1 and temperature controlling alarm 2, the babinet 1 Inside further includes damping shock absorber 3, multiple frequency conversion exhaust blowers 4, multiple air exhausting soundproofing bodies 5, multiple acoustical cottons 6 and mechanical sliding vane rotary pump Fixed plate 7;
With reference to figure 1-2, the temperature controlling alarm 2 is embedded on babinet 1, and is electrically connected with frequency conversion exhaust blower 4, for pair Temperature real time monitoring in babinet 1, the temperature controlling alarm 2 include temperature display, temp probe, power supply and buzzer; In the present embodiment, the temperature inside babinet 1 is shown by the temperature display outside babinet 1, when the temperature control alarming fills Put 2 detect case body temperature be more than preset temperature limit value when, activation buzzer alarm, while automatically switch frequency conversion air draft The running frequency of machine 4 increases the replacement of air quantity, and heat in babinet 1 is exchanged by frequency conversion exhaust blower 4 to outside babinet 1, and cooling is logical Heat radiation is prevented while wind, it is ensured that mechanical sliding vane rotary pump is worked in always under suitable environment temperature.
With reference to figure 2-3, the air exhausting soundproofing body 5 is connect with the frequency conversion exhaust blower 4, and the air exhausting soundproofing body 5 is labyrinth Formula structural cavity body;The damping shock absorber 3 is located at the bottom of babinet 1, is fixed by fastener bolt nut and the bottom of babinet 1 Connection, the machinery sliding vane rotary pump fixed plate 7 are located at the top of damping shock absorber 3, and pass through fastener bolt with damping shock absorber 3 Nut is fixedly connected.
It should be noted that it is fixed in the present embodiment mechanical sliding vane rotary pump described in by fastener bolt nut described Mechanical sliding vane rotary pump fixed plate 7, the vibration that mechanical sliding vane rotary pump generates in the process of running are cut down by damping.
Further, with reference to figure 3, the frequency conversion exhaust blower 4 is equal with the quantity of air exhausting soundproofing body 5 and corresponds, and becomes Frequency exhaust blower 4 is connected to become entirety with air exhausting soundproofing body 5 by ring flange.In the present embodiment air exhausting soundproofing body 5 described in Air outlet is connect with the air inlet of the frequency conversion exhaust blower 4.
Further, with reference to figure 3, the air exhausting soundproofing body 5 is internally provided with multiple noise elimination baffles 12, the multiple silencing barrier The interlaced inside for being arranged on air exhausting soundproofing body 5 of plate 12 forms labyrinth channel.
Further, with reference to figure 3, the staggered mode of the multiple noise elimination baffle 12 is set for a noise elimination baffle 12 In the upper inner wall of 5 housing of air exhausting soundproofing body, noise elimination baffle 12 adjacent thereto is arranged on the lower inner wall of 5 housing of air exhausting soundproofing body; Multiple acoustical cottons 6 are additionally provided in 5 inner walls of air exhausting soundproofing body, the acoustical cotton 6 is located at adjacent noise elimination baffle 12 Between.Air exhausting soundproofing body 5 described in the present embodiment had not only ensured the unobstructed of air draft, but also effectively closed noise transmission.
Further, with reference to figure 2, the inner wall of the babinet 1 is additionally provided with three layers of acoustical cotton 6, for inhibiting the biography of noise It broadcasts.
Further, with reference to figure 2, the babinet 1 is internally provided with power outlet 8, for giving babinet 1 inside supply electricity Source;The outside of the babinet 1 is equipped with power switch 9, and the power outlet 8 is connected with power switch 9, is used to implement in babinet 1 One key control of external power.In the present embodiment, the frequency conversion exhaust blower 4 and mechanical sliding vane rotary pump are respectively connected to power outlet 8, For providing electric energy for it.
Further, with reference to figure 1-2, the bottom four corners of the babinet 1 are respectively provided with 1 universal wheel 10, it can be achieved that level 360 ° move freely, and the universal wheel 10 is equipped with clamping lock, can carry out locking clamping function, prevent babinet from sliding extremely.
Further, in order to preferably be led to by damping shock absorber 3 to the vibration generated in mechanical sliding vane rotary pump operational process Damping abatement is crossed, the top and bottom of the machinery sliding vane rotary pump fixed plate 7 further respectively have Rubber shock-absorbing pad.
It should be noted that babinet 1 described in the utility model uses splicing structure, outside is equipped with ergonomics attacker, just It is dismantled in babinet, it is ensured that its integral strength can be met the requirements.For the ease of the placement of mechanical sliding vane rotary pump, the outside of the babinet 1 It is further opened with cabinet door 11.
The silencing case of mechanical sliding vane rotary pump described in the utility model is directed to the noise that mechanical sliding vane rotary pump generates, and there is damping to insulate against sound, Mute and cooling effect, and attenuation is vibrated up to more than 96%, the influence of noise on human person can be effectively reduced.
It is the preferred embodiment of the utility model above, it is noted that for those skilled in the art For, under the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improvements and modifications It is considered as the scope of protection of the utility model.

Claims (8)

1. a kind of silencing case of machinery sliding vane rotary pump, it is characterised in that:Including babinet(1)And temperature controlling alarm(2), the babinet (1)Inside further include damping shock absorber(3), multiple frequency conversion exhaust blowers(4), multiple air exhausting soundproofing bodies(5), multiple acoustical cottons (6)With mechanical sliding vane rotary pump fixed plate(7);
The temperature controlling alarm(2)It is embedded in babinet(1)On, and with frequency conversion exhaust blower(4)Electrical connection, for babinet(1) Interior temperature real time monitoring, the temperature controlling alarm(2)Including temperature display, temp probe, power supply and buzzer;
The air exhausting soundproofing body(5)With the frequency conversion exhaust blower(4)Connection, the air exhausting soundproofing body(5)For maze-type structure chamber Body;The damping shock absorber(3)Positioned at babinet(1)Bottom, the machinery sliding vane rotary pump fixed plate(7)Positioned at damping shock absorber (3)Top, and and damping shock absorber(3)It is fixedly connected.
2. a kind of silencing case of mechanical sliding vane rotary pump according to claim 1, it is characterised in that:The frequency conversion exhaust blower(4) With air exhausting soundproofing body(5)Quantity it is equal and correspond, frequency conversion exhaust blower(4)With air exhausting soundproofing body(5)Connected by ring flange It connects and is integrally formed.
3. a kind of silencing case of mechanical sliding vane rotary pump according to claim 1 or 2, it is characterised in that:The air exhausting soundproofing body (5)It is internally provided with multiple noise elimination baffles(12), the multiple noise elimination baffle(12)It is interlaced to be arranged on air exhausting soundproofing body(5)'s Inside forms labyrinth channel.
4. a kind of silencing case of mechanical sliding vane rotary pump according to claim 3, it is characterised in that:The multiple noise elimination baffle (12)Staggered mode is a noise elimination baffle(12)It is arranged on air exhausting soundproofing body(5)The upper inner wall of housing, it is adjacent thereto Noise elimination baffle(12)It is arranged on air exhausting soundproofing body(5)The lower inner wall of housing;The air exhausting soundproofing body(5)It is also set in inner walls It is equipped with multiple acoustical cottons(6), the acoustical cotton(6)Positioned at adjacent noise elimination baffle(12)Between.
5. a kind of silencing case of mechanical sliding vane rotary pump according to claim 1, it is characterised in that:The babinet(1)Inner wall It is additionally provided with acoustical cotton(6).
6. a kind of silencing case of mechanical sliding vane rotary pump according to claim 1, it is characterised in that:The babinet(1)Inside Equipped with power outlet(8), for babinet(1)Inside supply power supply;The babinet(1)Outside be equipped with power switch(9), institute State power outlet(8)With power switch(9)Series connection, is used to implement babinet(1)One key control of internal/external power.
7. a kind of silencing case of mechanical sliding vane rotary pump according to claim 1, it is characterised in that:The babinet(1)Top It is additionally provided with multiple universal wheels(10), the universal wheel(10)It is equipped with clamping lock.
8. a kind of silencing case of mechanical sliding vane rotary pump according to claim 1, it is characterised in that:The machinery sliding vane rotary pump is fixed Plate(7)Top and bottom be respectively equipped with Rubber shock-absorbing pad.
CN201721640492.6U 2017-11-30 2017-11-30 A kind of silencing case of machinery sliding vane rotary pump Active CN207583629U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721640492.6U CN207583629U (en) 2017-11-30 2017-11-30 A kind of silencing case of machinery sliding vane rotary pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721640492.6U CN207583629U (en) 2017-11-30 2017-11-30 A kind of silencing case of machinery sliding vane rotary pump

Publications (1)

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CN207583629U true CN207583629U (en) 2018-07-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020093218A1 (en) * 2018-11-05 2020-05-14 李庆远 Silencing box

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020093218A1 (en) * 2018-11-05 2020-05-14 李庆远 Silencing box

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