CN204827851U - Energy -conserving auxiliary device of vacuum pump - Google Patents
Energy -conserving auxiliary device of vacuum pump Download PDFInfo
- Publication number
- CN204827851U CN204827851U CN201520227140.2U CN201520227140U CN204827851U CN 204827851 U CN204827851 U CN 204827851U CN 201520227140 U CN201520227140 U CN 201520227140U CN 204827851 U CN204827851 U CN 204827851U
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- CN
- China
- Prior art keywords
- check valve
- rear end
- passage
- venturi tube
- main part
- 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 - Fee Related
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Abstract
The utility model provides an energy -conserving auxiliary device of vacuum pump, including main part rear end, the support of check valve rear end, check valve, venturi tube anemostat, the main part front end that is equipped with the air inlet, check valve separation blade, on main part front end afterbody and main part rear end head are fixed in the check valve separation blade respectively, and ventilate the passageway through the second on the check valve separation blade and communicate, the check valve rear end is supported and to be divide into air outlet channel and check valve passageway with main part rear end internal channel, and the through -hole that two passageways pass through to support the check valve rear end communicates, check valve mobility control second in the check valve passageway opening and shutting of passageway of ventilating, the check valve separation blade is passed in proper order in the export of venturi tube anemostat, the check valve rear end is supported and the air outlet channel intercommunication, and the air inlet is connected with main part front end air inlet. The utility model discloses in the time of can making gas blow over relative thinner pipeline from the wide pipeline of venturi tube, it is the air current by thick attenuation to accelerate the gas flow rate, make gaseous rear side in the venturi tube export form " vacuum a " negative pressuren zone, reduce the consumption of the energy.
Description
Technical field
The utility model relates to field of vacuum, particularly a kind of vacuum pump energy-conserving auxiliary apparatus.
Background technique
Vacuum pump is widely used in shop, makes the field such as petrochemical industry, manufacturing.In use the breakout pressure of vacuum pump should reach its need degree of vacuum could use.Existing vacuum pump due to breakout pressure excessive, be difficult to meet the requirements of breakout pressure, a large amount of gas hinders the running of vaccum pump motor, so motor load is large, easy motor damage.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides the vacuum pump of a kind for the treatment of Venturi tube and check valve to reduce the load of vacuum pump.
A kind of vacuum pump energy-conserving auxiliary apparatus, comprise body rear, the support of check valve rear end, check valve, Venturi tube diffusing tube, body front end, check valve catch, described bottom surface, body front end rear end and bottom surface, body rear front end are individually fixed in bottom surface, front end and the bottom surface, rear end of check valve catch.
Body rear is provided with rear passage, is provided with check valve rear end and supports in rear passage, and check valve rear end supports and rear passage is divided into outlet passageway and check valve passage, and the first venting channels that outlet passageway and check valve passage are supported by check valve rear end communicates;
Body front end is provided with main gas passage, and sidewall is provided with suction port;
Check valve catch is provided with the second venting channels, and the prepass of check valve passage and body front end is communicated by the second venting channels;
Check valve comprises flap and valve handle, and flap is pressed on the second venting channels, valve handle rear end insert check valve rear end support through hole in and on valve handle cover have check valve spring;
Venturi tube diffusing tube air outlet supports through check valve catch and check valve rear end to be inserted in outlet passageway, and Venturi tube diffusing tube suction port is connected with suction port by suction tude.
The present invention compared with prior art, its advantage is: the present invention increases check valve and vacuum generator in vacuum pump, be combined into two gas channels, check valve is main gas channel, a large amount of gas by time open, make gas quickly through, when gas flow diminishes, check valve can be closed main passage, pass through from another one small channel, this small channel is a kind of vacuum generator utilizing venturi principle, the gas of suitable flow is passed at suction port, when gas pipeline leniently blows over relatively thinner pipeline, it air-flow from the coarse to fine, to accelerate gas flow rate, gas is made to form " vacuum " negative pressuren zone at the rear side of venturi outlet, reduce the consumption of the energy.
The utility model is further illustrated below in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 is structural diagrams of the present utility model intention;
Fig. 2 is the utility model check valve structural representation;
Fig. 3 is the utility model partial enlarged drawing;
Fig. 4 is fundamental diagram of the present utility model.
Embodiment
Composition graphs 1, a kind of vacuum pump energy-conserving auxiliary apparatus, comprises body front end 7, check valve catch 8, body rear 1.Body rear 1 rear portion outer wall caves in central axis direction.Body rear 1 front portion is provided with the back clevis circle perpendicular to body rear 1 axis, and before and after back clevis circle, two surfaces are parallel plane, and are provided with through through hole, are provided with screw thread in through hole; Body front end 7 rear portion is provided with and connects ring perpendicular to before body front end 7 axis, and before and after front connection ring, two surfaces are parallel plane, and are provided with through through hole, are provided with screw thread in through hole; Check valve catch 8 arranges the through hole on the through forward and backward surface of check valve catch 8, is provided with screw thread in through hole.Between body front end 7 and check valve catch 8, be mutually permanently connected through each through hole by screw between check valve catch 8, body rear 1.
Composition graphs 1, body rear 1 is provided with rear passage, rear vias inner walls rear end is circumferentially protruding limit stoper at outer wall recess, be provided with check valve rear end in rear passage and support 2, check valve rear end supports 2 and is fixed on prepass 7-1 inwall by limit stoper, check valve rear end supports 2 and rear passage is divided into two-part: the first venting channels 2-1 supported on 2 by check valve rear end near the check valve passage 1-2 of check valve catch 8 and the outlet passageway 1-1 away from check valve catch 8, outlet passageway 1-1 and check valve passage 1-2 is communicated.Check valve rear end supports 2 and is provided with the internal diameter first diffusing tube passage identical with Venturi tube diffusing tube 5 external diameter, the first check valve passage that internal diameter is identical with check valve 4 valve seat external diameter.
Body front end 7 is provided with main gas passage, and sidewall is provided with suction port 6;
Check valve catch 8 is provided with the second venting channels 8-1, and the prepass of check valve passage 1-2 and body front end 7 is communicated by the second venting channels 8-1.Check valve catch 8 is also provided with the second diffusing tube passage that internal diameter is identical with Venturi tube diffusing tube 5 external diameter.
Composition graphs 1, Fig. 2, check valve 4 comprises flap 4-1 and valve handle 4-2, flap 4-1 is pressed on the second venting channels 8-1, valve handle 4-2 insert rear end check valve rear end support 2 the first check valve passage in and on valve handle 4-2 cover have check valve spring 3, check valve spring 3 one end presses on flap 4-1, and the other end presses on check valve rear end and supports on 2.
Composition graphs 1, Venturi tube diffusing tube 5 is successively through inserting in outlet passageway 1-1 after the second diffusing tube passage of check valve catch 8 and the first diffusing tube passage of check valve rear end support 2, and Venturi tube diffusing tube 5 suction port is connected with suction port 6 by suction tude 9.Establish time venting channels in Venturi tube diffusing tube 5, secondary venting channels from front to back diameter is different, is followed successively by into gate segment, contraction section, Yan Dao, diffuser, goes out gate segment.
Suction tude 9 rear end is connected with suction port 6, and front end arranges nozzle 9-1, and nozzle 9-1 is tapered, and nozzle 9-1 inserts the suction port of Venturi tube diffusing tube 5.
As improvement of the present invention, in order to prevent the Leakage Gas between body front end 7, check valve catch 8, body rear 1 further, second check valve passage 8-2 rear end arranges conical surface valve seat 8-3, and flap 4-1 front end is in the circular arc matched with the conical surface of valve seat 8-3.
Between check valve catch 8 and body front end 7, O-ring seals is set, between check valve catch 8 and body rear 1, O-ring seals is set.
Working principle of the present utility model is: this device is divided into two venting channels, i.e. main venting channels and time venting channels.A large amount of gas by time, the flap 4-1 of check valve 4 by gas top from valve seat 8-3.When gas flow diminishes, under the effect of check valve spring 3, flap 4-1 and the valve seat 8-3 of check valve 4 fit tightly, and close main venting channels, and now gas can pass through from secondary venting channels.Pressurized air is passed into, by the suction tude 9 that cross section is very little at suction port 1-2.Increase along with nozzle 9-1 cross section reduces compressed-air actuated pressure gradually, flow velocity also becomes large thereupon.At this moment just entering in gate segment to produce a degree of vacuum, causing surrounding atmosphere to be inhaled in Venturi tube diffusing tube 5, along with pressurized air flows in diffusion chamber the flow velocity increasing gas together, flowing out by going out gate segment.
Below in conjunction with embodiment, the present invention is described further.
A kind of vacuum pump energy-conserving auxiliary apparatus, its total length is 105mm; Body front end 7 external diameter is 55mm, and suction port axis is 20.5mm to the distance of the front bottom surface of body front end 7, and check valve catch 8 diameter is 80mm, and body rear 1 external diameter is 55mm, and limit stoper 1-2 internal diameter is 41mm.
At suction port termination N2 or CDA, supply pressure is 50 ~ 80PSI, and flow is 20 ~ 30SLM.
This device is connected on the rear end of vacuum pump, energy-saving effect reaches 30 ~ 50% (effect can because of the model of pump, behaviour in service, pressure, flow and different).
Claims (4)
1. a vacuum pump energy-conserving auxiliary apparatus, comprise body rear (1), check valve rear end supports (2), check valve (4), Venturi tube diffusing tube (5), body front end (7), check valve catch (8), described body front end (7) bottom surface, rear end and body rear (1) bottom surface, front end are individually fixed in bottom surface, front end and the bottom surface, rear end of check valve catch (8), it is characterized in that
Body rear (1) is provided with rear passage, be provided with check valve rear end in rear passage and support (2), check valve rear end supports (2) and rear passage is divided into outlet passageway (1-1) and check valve passage (1-2), and the first venting channels (2-1) that outlet passageway (1-1) and check valve passage (1-2) are supported on (2) by check valve rear end communicates;
Body front end (7) is provided with main gas passage, and sidewall is provided with suction port (6);
Check valve catch (8) is provided with the second venting channels (8-1), and the prepass of check valve passage (1-2) and body front end (7) is communicated by the second venting channels (8-1);
Check valve (4) comprises flap (4-1) and valve handle (4-2), flap (4-1) is pressed on the second venting channels (8-1), valve handle (4-2) rear end is inserted in through hole that check valve rear end supports (2) and the upper cover of valve handle (4-2) has check valve spring (3), check valve spring (3) one end presses on flap (4-1), and the other end presses on check valve rear end and supports on (2);
Venturi tube diffusing tube (5) air outlet supports (2) through check valve catch (8) and check valve rear end and inserts in outlet passageway (1-1), and Venturi tube diffusing tube (5) suction port is connected with suction port (6) by suction tude (9).
2. vacuum pump energy-conserving auxiliary apparatus according to claim 1, is characterized in that, suction tude (9) rear end is provided with conical nozzle (9-1), and nozzle (9-1) inserts the suction port of Venturi tube diffusing tube (5).
3. vacuum pump energy-conserving auxiliary apparatus according to claim 1 and 2, it is characterized in that, second venting channels (8-1) rear end arranges conical surface valve seat (8-3), and flap (4-1) front end is in the circular arc matched with the conical surface of valve seat (8-3).
4. vacuum pump energy-conserving auxiliary apparatus according to claim 3, it is characterized in that, between check valve catch (8) and body front end (7), O-ring seals is set, between check valve catch (8) and body rear (1), O-ring seals is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520227140.2U CN204827851U (en) | 2015-04-15 | 2015-04-15 | Energy -conserving auxiliary device of vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520227140.2U CN204827851U (en) | 2015-04-15 | 2015-04-15 | Energy -conserving auxiliary device of vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204827851U true CN204827851U (en) | 2015-12-02 |
Family
ID=54685460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520227140.2U Expired - Fee Related CN204827851U (en) | 2015-04-15 | 2015-04-15 | Energy -conserving auxiliary device of vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204827851U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120261A (en) * | 2020-02-18 | 2020-05-08 | 福建华佳彩有限公司 | Energy-saving device for vacuum pump |
| CN113677891A (en) * | 2019-04-09 | 2021-11-19 | 株式会社Ihi回转机械工程 | Reciprocating compressor |
-
2015
- 2015-04-15 CN CN201520227140.2U patent/CN204827851U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113677891A (en) * | 2019-04-09 | 2021-11-19 | 株式会社Ihi回转机械工程 | Reciprocating compressor |
| CN111120261A (en) * | 2020-02-18 | 2020-05-08 | 福建华佳彩有限公司 | Energy-saving device for vacuum pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20180415 |