CN107420305A - A kind of vavuum pump with damping and silencing function - Google Patents
A kind of vavuum pump with damping and silencing function Download PDFInfo
- Publication number
- CN107420305A CN107420305A CN201710488565.2A CN201710488565A CN107420305A CN 107420305 A CN107420305 A CN 107420305A CN 201710488565 A CN201710488565 A CN 201710488565A CN 107420305 A CN107420305 A CN 107420305A
- Authority
- CN
- China
- Prior art keywords
- inner chamber
- framework
- pipe
- base
- partition
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C19/00—Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C19/00—Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids
- F04C19/004—Details concerning the operating liquid, e.g. nature, separation, cooling, cleaning, control of the supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
- F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
- F04C29/063—Sound absorbing materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
- F04C29/065—Noise dampening volumes, e.g. muffler chambers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a kind of vavuum pump with damping and silencing function, including framework, the bottom of the framework is provided with rubber layer, the bottom of the rubber layer is provided with tempering layer, the bottom of the framework inner chamber is fixedly connected with spring, base is fixedly connected with the top of the spring, the bottom of the base extends to the outside of framework, the top of framework inner chamber both sides offers slot rolling, the inner chamber of the slot rolling is provided with ball, the one end of the ball away from slot rolling inner chamber extends to the inner chamber of framework, the base is internally provided with the pump housing, the outside of base is extended at the top of the pump housing, air inlet pipe is communicated with the left of the pump housing bottom.The present invention is coordinated by anechoic chamber, first partition, second partition, the first voice conducting pipe, the second voice conducting pipe and the 3rd voice conducting pipe, and noise is propagated into anechoic chamber inner chamber, is constantly weakened during propagation, until reaching normal condition.
Description
Technical field
The present invention relates to vacuum pump technology field, specially a kind of vavuum pump with damping and silencing function.
Background technology
Vavuum pump refers to using machinery, physics, chemically or physically chemical method is evacuated to being taken out container and obtained
The device or equipment of vacuum, existing water circulating type vacuum pump forms watertight seal ring by water ring, to reach vacuum purpose, vavuum pump
Water inlet need the delivery port with circulation water pot connect and carry out moisturizing, equipment connection needs to find the docking port that model matches, and gives
Producer brings trouble, extends the production cycle, as Chinese patent discloses " vavuum pump with water circle device ", the patent No.
For：CN103939315A, the patent include vavuum pump, air inlet, gas outlet, water inlet, fixed seat, filter, liquefaction dress
Put, liquid reserve tank, outlet conduit, exhaust outlet, overflow valve, support, heat exchanger, flow divider, branch pipe I, branch pipe II and pipeline, High Temperature Gas
Body is discharged by being entered back into after filter in vavuum pump, and then by the water ring in the pump housing, due to the higher meeting vapour of gas temperature
Change carries away a certain amount of water in the pump housing, is recycled the part water by liquefying plant, liquid reserve tank and heat exchanger, and gas
The moisture that body itself carries also is stored in liquid reserve tank after liquefaction, and the overflow valve being provided with can avoid the feelings of liquid reserve tank hypervolia
Condition；But the patent vavuum pump can produce vibrations during work, the service life of vavuum pump, while vacuum are had a strong impact on
Noise can be produced by pumping out gas port, polluted working environment, be not easy to the use of operator.
The content of the invention
It is an object of the invention to provide a kind of vavuum pump with damping and silencing function, possess the excellent of damping and noise reduction
Point, solve the problems, such as that vibration influence service life and noise are big during vacuum pump work.
To achieve the above object, the present invention provides following technical scheme：A kind of vavuum pump with damping and silencing function,
Including framework, the bottom of the framework is provided with rubber layer, and the bottom of the rubber layer is provided with tempering layer, the framework inner chamber
Bottom be fixedly connected with spring, base is fixedly connected with the top of the spring, the bottom of the base extends to framework
Outside, the top of framework inner chamber both sides offer slot rolling, and the inner chamber of the slot rolling is provided with ball, and the ball is remote
One end of slot rolling inner chamber extends to the inner chamber of framework, and the base is internally provided with the pump housing, extended at the top of the pump housing
The outside of base, air inlet pipe is communicated with the left of the pump housing bottom, screwed pipe, the spiral shell are arranged with the top of the air inlet pipe
The inwall of line pipe and filter plate is fixedly connected with above the air inlet pipe, the right side at the top of the pump housing is communicated with escape pipe, institute
State the one end of escape pipe away from the pump housing and be communicated with anechoic chamber, the inwall of the anechoic chamber is fixedly connected sequentially has first from bottom to up
Dividing plate and second partition, the inner chamber of the anechoic chamber and are disposed with from left to right between first partition and second partition
First voice conducting pipe, the second voice conducting pipe and the 3rd voice conducting pipe, the top of first voice conducting pipe, which is run through second partition and extended to, to disappear
The inner chamber of tone chamber, the bottom of first voice conducting pipe and the second voice conducting pipe through first partition and extend to the interior of anechoic chamber
Chamber, the right-hand member of the 3rd voice conducting pipe through the right side of anechoic chamber and extend to the outside of anechoic chamber.
Preferably, the bottom of the tempering layer is provided with slipmat, and the surface of the slipmat is provided with anti-slip veins.
Preferably, the side of the ball contacts with the inwall of slot rolling, and the opposite side of the ball and the surface of base connect
Touch.
Preferably, the inwall of the screwed pipe is provided with internal thread, and the surface of the air inlet pipe is provided with and internal thread phase
The external screw thread of adaptation.
Preferably, the quantity of the spring is no less than three, is spaced substantially equidistant between the spring.
Preferably, the inwall of the anechoic chamber is provided with silencing cotton.
Compared with prior art, beneficial effects of the present invention are as follows：
1st, the present invention is coordinated by framework, rubber layer, tempering layer, spring, base, ball and slot rolling, has been reached pair
The function of pump housing damping, vibrations caused by the pump housing are weakened by spring, so as to be protected to the pump housing, extend making for the pump housing
With the life-span, matched somebody with somebody by anechoic chamber, first partition, second partition, the first voice conducting pipe, the second voice conducting pipe and the 3rd voice conducting pipe
Close, noise is propagated into anechoic chamber inner chamber, is constantly weakened during propagation, until reaching normal condition.
2nd, the present invention can be filtered by screwed pipe and setting for filter plate to the air for entering air inlet tube cavity, be avoided
External particle causes the generation of vavuum pump damaged condition into the inner chamber of the pump housing, can be to base by the cooperation of ball and slot rolling
Support is balanced, avoids the double swerve of base, can be to the first acoustic by the setting of first partition and second partition
Pipe and the second voice conducting pipe are supported, while noise can be obstructed.
3rd, the present invention can increase the roughness of framework bottom by the setting of slipmat, increase framework bottom and ground
Between frictional force, silencing cotton has the function of absorbing noise, enhances the erasure effect of anechoic chamber.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the internal structure schematic diagram of anechoic chamber of the present invention；
Fig. 3 is A of the present invention partial structurtes enlarged diagram.
In figure：1 framework, 2 rubber layers, 3 tempering layers, 4 springs, 5 bases, 6 balls, 7 slot rollings, 8 pump housings, 9 air inlet pipe, 10 spiral shells
Line pipe, 11 filter plates, 12 escape pipes, 13 anechoic chambers, 14 first partitions, 15 second partitions, 16 first voice conducting pipes, 17 second acoustics
Pipe, 18 the 3rd voice conducting pipes, 19 slipmat, 20 silencing cottons.
In summary：This has the vavuum pump of damping and silencing function, passes through framework, rubber layer, tempering layer, spring, bottom
Seat, ball, slot rolling, anechoic chamber, first partition, second partition, the first voice conducting pipe, the second voice conducting pipe and the 3rd voice conducting pipe are matched somebody with somebody
Close, solve the problems, such as that vibration influence service life and noise are big during vacuum pump work.
Embodiment
(in the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ",
The orientation or position relationship of the instructions such as " clockwise ", " counterclockwise " be based on orientation shown in the drawings or position relationship, be only for
It is easy to the description present invention and simplifies description, rather than instruction or implies that signified equipment or element there must be specific side
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.)
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-3, a kind of vavuum pump with damping and silencing function, including framework 1, the bottom of framework 1 is referred to set
There is rubber layer 2, the bottom of rubber layer 2 is provided with tempering layer 3, and the bottom of tempering layer 3 is provided with slipmat 19, the table of slipmat 19
Face is provided with anti-slip veins, and the setting of slipmat 19 can increase the roughness of the bottom of framework 1, increase the bottom of framework 1 and ground
Between frictional force, the bottom of the inner chamber of framework 1 is fixedly connected with spring 4, and the top of spring 4 is fixedly connected with base 5, spring 4
Quantity be no less than three, be spaced substantially equidistant between spring 4, the bottom of base 5 extends to the outside of framework 1, the inner chamber two of framework 1
The top of side offers slot rolling 7, and the inner chamber of slot rolling 7 is provided with ball 6, and the one end of ball 6 away from the inner chamber of slot rolling 7 extends to frame
The inner chamber of body 1, the side of ball 6 contact with the inwall of slot rolling 7, and the opposite side of ball 6 contacts with the surface of base 5, passes through rolling
The cooperation of pearl 6 and slot rolling 7 can be balanced support to base 5, avoid the double swerve of base 5, and the inside of base 5 is set
There is the pump housing 8, the top of the pump housing 8 extends to the outside of base 5, and the pump housing 8 is communicated with air inlet pipe 9, the top of air inlet pipe 9 on the left of bottom
Portion is arranged with screwed pipe 10, and the inwall of screwed pipe 10 is provided with internal thread, and the surface of air inlet pipe 9 is provided with to be adapted with internal thread
External screw thread, the inwall of screwed pipe 10 and be fixedly connected with filter plate 11 positioned at the top of air inlet pipe 9, pass through screwed pipe 10 and filter plate
11 set can filter to the air for entering the inner chamber of air inlet pipe 9, avoid external particle from entering the inner chamber of the pump housing 8 and cause very
The generation of empty pump damaged condition, the right side at the top of the pump housing 8 are communicated with escape pipe 12, one end connection of the escape pipe 12 away from the pump housing 8
There is anechoic chamber 13, the inwall of anechoic chamber 13 is fixedly connected sequentially has first partition 14 and second partition 15, anechoic chamber from bottom to up
13 inner chamber and be disposed with from left to right between first partition 14 and second partition 15 first voice conducting pipe 16, second biography
The voice conducting pipe 18 of sound tube 17 and the 3rd, the top of the first voice conducting pipe 16 through second partition 15 and extend to the inner chamber of anechoic chamber 13,
The bottom of first voice conducting pipe 16 and the second voice conducting pipe 17 through first partition 14 and extends to the inner chamber of anechoic chamber 13, by the
The setting of one dividing plate 14 and second partition 15 can be supported to the first voice conducting pipe 16 and the second voice conducting pipe 17, while can be right
Noise is obstructed, and the right-hand member of the 3rd voice conducting pipe 18 through the right side of anechoic chamber 13 and extends to the outside of anechoic chamber 13, noise reduction
The inwall of room 13 is provided with silencing cotton 20, and silencing cotton 20 has the function of absorbing noise, enhances the erasure effect of anechoic chamber 13,
Coordinated by framework 1, rubber layer 2, tempering layer 3, spring 4, base 5, ball 6 and slot rolling 7, reached to the damping of the pump housing 8
Function, shaken by spring 4 to weaken caused by the pump housing 8, so as to be protected to the pump housing 8, extend the pump housing 8 uses the longevity
Life, passes through anechoic chamber 13, first partition 14, second partition 15, the first voice conducting pipe 16, the second voice conducting pipe 17 and the 3rd voice conducting pipe 18
Coordinated, noise is propagated into anechoic chamber inner chamber, is constantly weakened during propagation, until reaching normal condition.
In use, being shaken by spring 4 to weaken caused by the pump housing 8, coordinated by ball 6 and slot rolling 7 to base 5
Support is balanced, air enters the inner chamber of anechoic chamber 13 from escape pipe 12, and silencing cotton 20 absorbs to noise, and noise is successively
Propagated by the first voice conducting pipe 16, the second voice conducting pipe 17 and the 3rd voice conducting pipe 18, noise constantly disappears during propagation
It is weak.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of vavuum pump with damping and silencing function, including framework (1), it is characterised in that：The bottom of the framework (1)
Rubber layer (2) is provided with, the bottom of the rubber layer (2) is provided with tempering layer (3), and the bottom of framework (1) inner chamber is fixed
Spring (4) is connected with, base (5) is fixedly connected with the top of the spring (4), the bottom of the base (5) extends to framework
(1) outside, the top of framework (1) the inner chamber both sides offer slot rolling (7), and the inner chamber of the slot rolling (7) is provided with rolling
Pearl (6), the one end of the ball (6) away from slot rolling (7) inner chamber extend to the inner chamber of framework (1), and the inside of the base (5) is set
The pump housing (8) is equipped with, the outside of base (5) is extended at the top of the pump housing (8), is communicated with the left of the pump housing (8) bottom
Air inlet pipe (9), is arranged with screwed pipe (10) at the top of the air inlet pipe (9), the inwall of the screwed pipe (10) and is located at air inlet
Manage and filter plate (11) is fixedly connected with above (9), the right side at the top of the pump housing (8) is communicated with escape pipe (12), the outlet
The one end of pipe (12) away from the pump housing (8) is communicated with anechoic chamber (13), and the inwall of the anechoic chamber (13) is fixed successively from bottom to up
It is connected with first partition (14) and second partition (15), the inner chamber of the anechoic chamber (13) and is located at first partition (14) and second
The first voice conducting pipe (16), the second voice conducting pipe (17) and the 3rd voice conducting pipe (18) are disposed between dividing plate (15) from left to right,
The top of first voice conducting pipe (16) is through second partition (15) and extends to the inner chamber of anechoic chamber (13), first acoustic
The bottom of pipe (16) and the second voice conducting pipe (17) runs through first partition (14) and extends to the inner chamber of anechoic chamber (13), and described the
The right-hand member of three voice conducting pipes (18) is through the right side of anechoic chamber (13) and extends to the outside of anechoic chamber (13).
A kind of 2. vavuum pump with damping and silencing function according to claim 1, it is characterised in that：The tempering layer
(3) bottom is provided with slipmat (19), and the surface of the slipmat (19) is provided with anti-slip veins.
A kind of 3. vavuum pump with damping and silencing function according to claim 1, it is characterised in that：The ball
(6) side contacts with the inwall of slot rolling (7), and the opposite side of the ball (6) contacts with the surface of base (5).
A kind of 4. vavuum pump with damping and silencing function according to claim 1, it is characterised in that：The screwed pipe
(10) inwall is provided with internal thread, and the surface of the air inlet pipe (9) is provided with the external screw thread being adapted with internal thread.
A kind of 5. vavuum pump with damping and silencing function according to claim 1, it is characterised in that：The spring
(4) quantity is no less than three, is spaced substantially equidistant between the spring (4).
A kind of 6. vavuum pump with damping and silencing function according to claim 1, it is characterised in that：The anechoic chamber
(13) inwall is provided with silencing cotton (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710488565.2A CN107420305A (en) | 2017-06-23 | 2017-06-23 | A kind of vavuum pump with damping and silencing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710488565.2A CN107420305A (en) | 2017-06-23 | 2017-06-23 | A kind of vavuum pump with damping and silencing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107420305A true CN107420305A (en) | 2017-12-01 |
Family
ID=60427411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710488565.2A Withdrawn CN107420305A (en) | 2017-06-23 | 2017-06-23 | A kind of vavuum pump with damping and silencing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107420305A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405322A (en) * | 2018-11-30 | 2019-03-01 | 江阴爱尔姆真空设备有限公司 | A kind of low noise screw-type water chiller |
| CN111120258A (en) * | 2019-12-20 | 2020-05-08 | 井陉县鸿祥碳素有限公司 | Assembled vacuum pump |
| CN112283111A (en) * | 2020-09-21 | 2021-01-29 | 蚌埠奥特压缩机有限公司 | Special compressor of ammonia |
| CN117167277A (en) * | 2023-09-04 | 2023-12-05 | 株洲市昌介液压机械有限公司 | Low-noise variable-pitch screw vacuum pump |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5587885A (en) * | 1978-12-27 | 1980-07-03 | Kubota Ltd | Liquid sealed type vacuum pump |
| CN201241834Y (en) * | 2008-10-20 | 2009-05-20 | 锦州阳光能源有限公司 | Damping device of sliding valve vacuum pump |
| CN205578237U (en) * | 2016-02-24 | 2016-09-14 | 江西欧氏化工有限公司 | A vacuum pump for medicine midbody draws |
| CN205908472U (en) * | 2016-08-24 | 2017-01-25 | 上海广韩真空科技有限公司 | Vacuum pump with shock -absorbing function |
| CN106402004A (en) * | 2016-12-08 | 2017-02-15 | 张敬进 | Damping noise reduction fan |
| CN106640595A (en) * | 2016-12-23 | 2017-05-10 | 无锡五洋赛德压缩机有限公司 | Cushioning protective decontaminable air compressing equipment |
| CN207145232U (en) * | 2017-06-23 | 2018-03-27 | 浙江凯尼真空设备有限公司 | A kind of vavuum pump with damping and silencing function |
-
2017
- 2017-06-23 CN CN201710488565.2A patent/CN107420305A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5587885A (en) * | 1978-12-27 | 1980-07-03 | Kubota Ltd | Liquid sealed type vacuum pump |
| CN201241834Y (en) * | 2008-10-20 | 2009-05-20 | 锦州阳光能源有限公司 | Damping device of sliding valve vacuum pump |
| CN205578237U (en) * | 2016-02-24 | 2016-09-14 | 江西欧氏化工有限公司 | A vacuum pump for medicine midbody draws |
| CN205908472U (en) * | 2016-08-24 | 2017-01-25 | 上海广韩真空科技有限公司 | Vacuum pump with shock -absorbing function |
| CN106402004A (en) * | 2016-12-08 | 2017-02-15 | 张敬进 | Damping noise reduction fan |
| CN106640595A (en) * | 2016-12-23 | 2017-05-10 | 无锡五洋赛德压缩机有限公司 | Cushioning protective decontaminable air compressing equipment |
| CN207145232U (en) * | 2017-06-23 | 2018-03-27 | 浙江凯尼真空设备有限公司 | A kind of vavuum pump with damping and silencing function |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405322A (en) * | 2018-11-30 | 2019-03-01 | 江阴爱尔姆真空设备有限公司 | A kind of low noise screw-type water chiller |
| CN111120258A (en) * | 2019-12-20 | 2020-05-08 | 井陉县鸿祥碳素有限公司 | Assembled vacuum pump |
| CN112283111A (en) * | 2020-09-21 | 2021-01-29 | 蚌埠奥特压缩机有限公司 | Special compressor of ammonia |
| CN117167277A (en) * | 2023-09-04 | 2023-12-05 | 株洲市昌介液压机械有限公司 | Low-noise variable-pitch screw vacuum pump |
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Application publication date: 20171201 |