CN206206183U - A kind of non-return silencer of screw pump - Google Patents
A kind of non-return silencer of screw pump Download PDFInfo
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- CN206206183U CN206206183U CN201621231368.XU CN201621231368U CN206206183U CN 206206183 U CN206206183 U CN 206206183U CN 201621231368 U CN201621231368 U CN 201621231368U CN 206206183 U CN206206183 U CN 206206183U
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- screw pump
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Abstract
The utility model provides a kind of non-return silencer of screw pump, belongs to vacuum pump technology field.It solves that existing screw pump noise is larger, and the difficult problem of cleaning.The non-return silencer of this screw pump, including housing and hood, one end of housing is connected with one end of hood, the air inlet that can be connected with screw pump is offered on the side wall of housing, the other end of hood offers exhaust outlet, cooling pipe is provided with housing, dividing plate is provided with hood, hood is separated into exhaust check cavity and diversion cavity by dividing plate, shell one end is connected with venting check valve and venting check valve is located in exhaust check cavity, the end of shell one end is provided with gas outlet, the through hole being connected with exhaust outlet is offered on dividing plate, the import of venting check valve is connected with gas outlet, the outlet of venting check valve is connected with through hole.The non-return silencer of this screw pump can cause screw pump lower noise in use.
Description
Technical field
The utility model belongs to vacuum pump technology field, is related to a kind of non-return silencer of screw pump.
Background technology
Vavuum pump is that container is evacuated using methods such as machinery, physics, chemistry, physical chemistry, to obtain and maintain
The device of vacuum, so that meeting vacuum evaporation, vacuum concentration, vacuum conditioning, vacuum invades stain, vacuum drying and vacuum metling etc.
Use requirement.For the structure of constantly improve vavuum pump, it is set more generally useful to be applied.
Screw pump in current vavuum pump can produce operating noise, and screw pump can produce the exhalation and suction of air,
And then the noise of the screw pump for being is very big, and because the dismounting of existing screw pump is difficult, there are many dirts inside screw pump
Stain is remained, and then causes cooling effect to be deteriorated, and in the prior art frequently with mode be to be connected with the shell of screw pump
Silencer or acoustical cotton is filled between inner tube and outer tube so that noise can be sucked by silencer or by acoustical cotton, right
It is difficult in the dismounting of screw pump, it is typically all in the prior art that screw pump is carried out into integral demounting to reach cleaning performance.
The content of the invention
The purpose of this utility model is directed to existing technology and there is above mentioned problem, it is proposed that a kind of non-return of screw pump disappears
Sound device, technical problem to be solved in the utility model is how to cause screw pump lower noise in use.
The purpose of this utility model can be realized by following technical proposal：
A kind of non-return silencer of screw pump, including housing and hood, one end of the housing and one end of hood
Connection, offers the air inlet that can be connected with screw pump on the side wall of the housing, the other end of the hood is offered
Exhaust outlet, cooling pipe is provided with the housing, it is characterised in that dividing plate is provided with the hood, and the dividing plate will be vented
Cover is separated into exhaust check cavity and diversion cavity, and the shell one end is connected with venting check valve and venting check valve stops positioned at exhaust
Return in chamber, the end of the shell one end is provided with gas outlet, and the through hole being connected with exhaust outlet is offered on the dividing plate, described
The import of venting check valve is connected with gas outlet, and the outlet of the venting check valve is connected with through hole.
From the air inlet of housing by cooling pipe, gas flows to outlet to the gas of screw pump after cooling pipe is cooled down
Mouthful, now gas outlet is oppositely arranged with venting check valve, and then causes that gas can only flow out to venting check valve from gas outlet
Outlet is drained, and since venting check valve is located in exhaust check cavity, and then enable that air-flow is entered into greatly from small outlet
Space in, reduce the noise of screw pump, and the air-flow for now entering into venting check valve can enter into water conservancy diversion by through hole
In chamber and from exhaust outlet discharge so that air-flow is repeated the process in the cavity for entering into big from small through hole again, and on
Stating structure high temperature air-flow will enter the cooling of supercooling pipeline, lower noise when can also cause that screw pump is used, and then energy is more
It is secondary to reduce the noise that screw pump is produced in use.
In the non-return silencer of above-mentioned screw pump, the bore of the aperture less than exhaust outlet of the through hole.
The setting of the structure, it is further to cause exhaust non-return intracavity gas when diversion cavity is entered into, can lead to from small
Hole enters big diversion cavity, then is discharged from the exhaust outlet of big diversion cavity, the further noise for reducing screw pump.
In the non-return silencer of above-mentioned screw pump, the through hole is arranged on the top of gas outlet, the hole of the through hole
Wall extends baffle plate, and the baffle plate setting is in the both sides of dividing plate.
The setting of the structure, can guarantee that the air-flow major part flowed into air inlet can flow out and by exhaust from gas outlet
Check-valves is discharged from through hole so that the gas in exhaust check cavity can be flowed into diversion cavity by through hole completely so that
Gas is going out Shi Douxu by gas outlet by housing so that noise can be substantially reduced and reduced screw pump in use.
In the non-return silencer of above-mentioned screw pump, the other end of the housing is connected with mounting seat, the mounting seat
It is provided with and is located in mounting hole and is fixed in mounting seat with the one-to-one mounting hole of cooling pipe, the cooling pipe,
The housing other end is bent to form gear edge, and the mounting seat can mutually be reclined by fastener with gear edge.
Mounting seat is in flange plate-like, and now the gear of mounting seat and housing is connected between by fastener, and then when needs
When being cleaned to cooling pipe, it is only necessary to remove fastener, then pull mounting seat to extract cooling pipe out, and then realize
To the Rapid Cleaning of non-return silencer.
In the non-return silencer of above-mentioned screw pump, water seal head is connected with the mounting seat, the water seal head is located at
The outside of housing, the water seal head is provided with coolant outlet and cooling water inlet, the cooling water inlet energy and cooling pipe
Water inlet connection, the coolant outlet can connect with the delivery port of cooling pipe.
The setting of the structure, can allow the water to quickly be flowed into cooling pipe from water seal head, and then cause screw pump
Cooling can be normally carried out.
In the non-return silencer of above-mentioned screw pump, the cooling pipe is provided with several, and the cooling pipe is in U
Shape.
The setting of the structure, can guarantee that and the gas flowed out from screw pump is sufficiently cooled, and then enable gas
In the process noise reduction of circulation.
In the non-return silencer of above-mentioned screw pump, air-flow guiding is provided between two adjacent cooling water pipes
Plate, the gas-flow deflector is located near the side of air inlet.
The setting of the structure, gas-flow deflector can be oriented to air-flow so that air-flow is in cooling water pipe residence time
It is more long, and then enable that air-flow is sufficiently cooled down, reduce the noise of screw pump.
In the non-return silencer of above-mentioned screw pump, gas returning port, the gas returning port are additionally provided with the side wall of the housing
The same side of housing is located at air inlet and gas returning port is set near gas outlet.
Pipeline is connected with screw pump, pipeline is connected with gas outlet, and pipeline is provided with check valve, when needing to screw pump
When being cleaned, it is only necessary to the check valve in opening conduits, the gas after now cooling down is sucked from gas outlet by screw pump, and then
The use for cleaning screw pump is reached, and then is needing other devices, can be achieved with the cleaning to screw pump.
In the non-return silencer of above-mentioned screw pump, the dividing plate is integrally welded with hood.
The setting of the structure so that non-return silencer is used and processes enhanced convenience.
Compared with prior art, the non-return silencer of this screw pump has advantages below：
1st, by the setting of dividing plate and venting check valve so that the noise that screw pump is produced can be reduced greatly, and then be made
Screw pump is obtained during use, the working environment of staff gets a promotion.
2nd, the annexation between mounting seat and housing so that the cleaning and installation enhanced convenience and letter of non-return silencer
It is clean.
Brief description of the drawings
Fig. 1 is the sectional view of the non-return silencer of this screw pump.
In figure, 1, housing；11st, air inlet；12nd, gas outlet；13rd, edge is kept off；14th, sewage draining exit；15th, gas returning port；2nd, hood；
21st, exhaust outlet；22nd, dividing plate；221st, through hole；222nd, baffle plate；23rd, it is vented check cavity；24th, diversion cavity；3rd, venting check valve；4th, pacify
Dress seat；41st, cooling pipe；42nd, gas-flow deflector；43rd, mounting hole；5th, water seal head；51st, coolant outlet；52nd, cooling water enters
Mouthful.
Specific embodiment
The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model
Description, but the utility model is not limited to these embodiments.
As shown in figure 1, the non-return silencer of this screw pump, including housing 1 and hood 2, one end of housing 1 and hood
2 one end connection, offers the air inlet 11 that can be connected with screw pump on the upper side wall of housing 1, opened in the lower wall of housing 1
Sewage draining exit 14 is provided with, the other end of hood 2 is offered in exhaust outlet 21, housing 1 and is provided with cooling pipe 41.
Specifically, as shown in figure 1, being provided with dividing plate 22 in hood 2, hood 2 is separated into exhaust non-return by dividing plate 22
Chamber 23 and diversion cavity 24, the one end of housing 1 is connected with venting check valve 3 and venting check valve 3 is located in exhaust check cavity 23, housing
The end of 1 one end is provided with gas outlet 12, and the through hole 221 being connected with exhaust outlet 21 is offered on dividing plate 22, venting check valve 3
Import is connected with gas outlet 12, and the outlet of venting check valve 3 is connected with through hole 221, and through hole 221 is arranged on gas outlet 12
Top, the hole wall of through hole 221 extends baffle plate 222, and baffle plate 222 is arranged on the both sides of dividing plate 22, and the aperture of through hole 221 is less than row
The bore of gas port 21.
Furtherly, as shown in figure 1, being provided with cooling pipe 41 in housing 1, cooling pipe 41 is provided with several, cooling tube
Road 41 takes the shape of the letter U, and the other end of housing 1 is connected with mounting seat 4, and mounting seat 4 is provided with pacifies correspondingly with cooling pipe 41
Dress hole 43, cooling pipe 41 is located in mounting hole 43 and is fixed in mounting seat 4, and the other end of housing 1 is bent to form gear along 13,
Mounting seat 4 can mutually be reclined with gear by fastener along 13, and gas-flow deflector 42, gas are provided between two adjacent cooling pipes 41
Stream guide plate 42 is located near the side of air inlet 11.Gas-flow deflector 42 can be oriented to air-flow so that air-flow can pass through
Cooling pipe 41 completes cooling.
Furtherly, as shown in figure 1, the other end of mounting seat 4 is connected with water seal head 5, water seal head 5 is provided with cooling water
Outlet 51 and cooling water inlet 52, cooling water inlet 52 can connect with the water inlet of cooling pipe 41, and coolant outlet 51 can be with
The delivery port connection of cooling pipe 41.
As shown in figure 1, being additionally provided with gas returning port 15 on the side wall of housing 1, gas returning port 15 is located at the same of housing 1 with air inlet 11
Side and gas returning port 15 are set near gas outlet 12.Pipeline is connected with screw pump, pipeline is connected with gas outlet 12, on pipeline
Check valve is provided with, when needing to clean screw pump, it is only necessary to the check valve in opening conduits, the gas after now cooling down
Sucked by screw pump from gas outlet 12, and then reach the use for cleaning screw pump, and then needing other devices, can be achieved with
Cleaning to screw pump.
From the air inlet 11 of housing 1 by cooling pipe 41, gas is after cooling pipe 41 is cooled down the gas of screw pump
Gas outlet 12 is flowed to, now gas outlet 12 is oppositely arranged with venting check valve 3, and then cause that gas can only flow out from gas outlet 12
Outlet to venting check valve 3 is drained, and since venting check valve 3 is located in exhaust check cavity 23, and then enable air-flow
Entered into big space from small outlet, reduce the noise of screw pump, and now enter into the air-flow energy of venting check valve 3
Entered into diversion cavity 24 by through hole 221 and discharged from exhaust outlet 21 so that air-flow is repeated from small through hole again
Enter to the process in big cavity, and said structure high temperature air-flow will enter the cooling of supercooling pipeline, can also cause screw pump
Lower noise when using, and then can repeatedly reduce the noise that screw pump is produced in use.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (9)
1. the non-return silencer of a kind of screw pump, including housing (1) and hood (2), one end of the housing (1) and hood
(2) one end connection, offers the air inlet (11) that can be connected with screw pump, the exhaust on the side wall of the housing (1)
The other end for covering (2) offers exhaust outlet (21), and the housing (1) is interior to be provided with cooling pipe (41), it is characterised in that the row
Dividing plate (22) is provided with gas hood (2), hood (2) is separated into exhaust check cavity (23) and diversion cavity by the dividing plate (22)
(24), described housing (1) one end is connected with venting check valve (3) and venting check valve (3) is in exhaust check cavity (23), institute
The end for stating housing (1) one end is provided with gas outlet (12), and be connected with exhaust outlet (21) logical is offered on the dividing plate (22)
Hole (221), the import of the venting check valve (3) is connected with gas outlet (12), the outlet of the venting check valve (3) with it is logical
Hole (221) is connected.
2. the non-return silencer of screw pump according to claim 1, it is characterised in that the aperture of the through hole (221) is small
In the bore of exhaust outlet (21).
3. the non-return silencer of screw pump according to claim 1, it is characterised in that through hole (221) row of being arranged on
The top of gas port (21), the hole wall of the through hole (221) extends baffle plate (222), and the baffle plate (222) is arranged on dividing plate (22)
Both sides.
4. the non-return silencer of the screw pump according to claim 1 or 2 or 3, it is characterised in that the housing (1) it is another
One end is connected with mounting seat (4), and the mounting seat (4) is provided with and the one-to-one mounting hole (43) of cooling pipe (41), institute
State cooling pipe (41) to be located in mounting hole (43) and be fixed in mounting seat (4), housing (1) other end is bent to form
Gear can mutually be reclined with gear by fastener along (13), the mounting seat (4) along (13).
5. the non-return silencer of screw pump according to claim 4, it is characterised in that be connected with the mounting seat (4)
Water seal head (5), the water seal head (5) positioned at the outside of housing (1), the water seal head (5) be provided with coolant outlet (51) and
Cooling water inlet (52), the cooling water inlet (52) can connect with the water inlet of cooling pipe (41), the coolant outlet
(51) can be connected with the delivery port of cooling pipe (41).
6. the non-return silencer of the screw pump according to claim 1 or 2 or 3, it is characterised in that the cooling pipe (41)
Several are provided with, the cooling pipe (41) takes the shape of the letter U.
7. the non-return silencer of the screw pump according to claim 1 or 2 or 3, it is characterised in that two adjacent described cold
But gas-flow deflector (42) is provided between pipeline (41), the gas-flow deflector (42) is positioned near the side of air inlet (11).
8. the non-return silencer of the screw pump according to claim 1 or 2 or 3, it is characterised in that the side of the housing (1)
Gas returning port (15) is additionally provided with wall, the gas returning port (15) is located at the same side of housing (1) with air inlet and gas returning port (15) is leaned on
Nearly gas outlet (12) is set.
9. the non-return silencer of the screw pump according to claim 1 or 2 or 3, it is characterised in that the dividing plate and housing
(1) it is integrally welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621231368.XU CN206206183U (en) | 2016-11-16 | 2016-11-16 | A kind of non-return silencer of screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621231368.XU CN206206183U (en) | 2016-11-16 | 2016-11-16 | A kind of non-return silencer of screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206206183U true CN206206183U (en) | 2017-05-31 |
Family
ID=58753085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621231368.XU Active CN206206183U (en) | 2016-11-16 | 2016-11-16 | A kind of non-return silencer of screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206206183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150426A (en) * | 2017-12-21 | 2018-06-12 | 重庆亨优机电设备有限公司 | A kind of silencing means for vacuum pump |
-
2016
- 2016-11-16 CN CN201621231368.XU patent/CN206206183U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150426A (en) * | 2017-12-21 | 2018-06-12 | 重庆亨优机电设备有限公司 | A kind of silencing means for vacuum pump |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 6 Taizhou 317015 Zhejiang 317000 Toumen port Second Avenue Binhai New District Management Committee Patentee after: Zhejiang created as a vacuum equipment Limited by Share Ltd Address before: No. 6 Taizhou 317015 Zhejiang 317000 Toumen port Second Avenue Binhai New District Management Committee Patentee before: ZHEJIANG CHUANGWEI VACUUM EQUIPMENT CO., LTD. |