CN208719027U - A kind of vacuum generator - Google Patents
A kind of vacuum generator Download PDFInfo
- Publication number
- CN208719027U CN208719027U CN201821222925.0U CN201821222925U CN208719027U CN 208719027 U CN208719027 U CN 208719027U CN 201821222925 U CN201821222925 U CN 201821222925U CN 208719027 U CN208719027 U CN 208719027U
- Authority
- CN
- China
- Prior art keywords
- main part
- spray nozzle
- adjusting cavity
- vacuum
- pipe
- 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 discloses a kind of vacuum generators, including main part and the spray nozzle part being mounted on main part, jet pipe is equipped in main part, outlet pipe and vacuum pipe, jet pipe is located at one end of main part, outlet pipe is located at the other end of main part, spray nozzle part is installed on the jet pipe of main part, the admission line being connected to jet pipe is equipped in spray nozzle part, spray nozzle part is equipped with regulating mechanism, regulating mechanism includes adjustment seat, adjusting cavity is equipped in adjustment seat, by adjusting channel that adjusting cavity is connected to admission line and the exhaust passage for being connected to adjusting cavity with ambient atmosphere, regulating piston and spring base are equipped in adjusting cavity, adjustment spring is equipped between spring base and regulating piston, regulating piston under the action of adjustment spring with adjust channel close fit, screw thread is equipped in adjusting cavity, spring base can by being threadedly engaged Movably it is set in adjusting cavity.The utility model can adjust vacuum degree, and adjust simple and convenient.
Description
Technical field
The utility model relates to vacuum generating device technical field, in particular to a kind of vacuum generator.
Background technique
Vacuum generator be exactly generated using positive pressure gas source negative pressure one kind is novel, efficient, cleaning, economical, small-sized true
Empty component, this makes in the place for having compressed air, or needs the place of positive/negative-pressure to obtain simultaneously in a pneumatic system
Negative pressure becomes very easy and conveniently.Vacuum generator has been widely used in multiple industrial circles, for example, machinery, electronics,
Packaging, printing etc..Vacuum generator is generally used cooperatively with sucker, to carry out various materials for adsorbing to carry.Traditional is true
When empty generator adsorbs different objects, different objects mainly is adsorbed using size, shape or the material for changing sucker
Body, still, the vacuum degree of vacuum generator is there is no changing, since the sucker of unlike material has different requirements to vacuum degree,
In this way if the limit value that vacuum degree has been more than sucker will result in the damage of sucker, production cost is increased.In addition, if it is
Using and vacuum generator the sucker that matches of vacuum degree and frequently replace sucker, in this way can be not only time-consuming but also reduce production
Efficiency.
Summary of the invention
In view of the deficiencies of the prior art and defect, a kind of vacuum generator is provided, vacuum degree can be adjusted, and adjust letter
Folk prescription is just.
To achieve the above object, the utility model provides following technical scheme.
A kind of vacuum generator is equipped with air jet pipe in main part including main part and the spray nozzle part being mounted on main part
Road, outlet pipe and vacuum pipe, jet pipe are located at one end of main part, and outlet pipe is located at the other end of main part, spray
Mouth is installed on the jet pipe of main part, is equipped with the admission line being connected to jet pipe in spray nozzle part, spray nozzle part is equipped with
Regulating mechanism, regulating mechanism include adjustment seat, are equipped with adjusting cavity in adjustment seat, lead to the adjusting that adjusting cavity is connected to admission line
Road and the exhaust passage for being connected to adjusting cavity with ambient atmosphere, are equipped with regulating piston and spring base in adjusting cavity, spring base and
Between regulating piston be equipped with adjustment spring, regulating piston under the action of adjustment spring with adjust channel close fit, adjusting cavity
Interior to be equipped with screw thread, spring base is movably arranged in adjusting cavity by being threadedly engaged.
Further, spray nozzle part is connect by screw thread with admission line.
Further, admission line is Venturi tube.
Further, main part is equipped with measurement pipeline, and measurement pipeline on the same axis and is communicated with vacuum pipe, measured
Pipeline is equipped with pressure vacuum gauge, and pressure vacuum gauge is connect by screw thread with measurement pipeline.
Further, sealing ring is equipped between main part and spray nozzle part.
Further, muffler is equipped in outlet pipe.
Further, regulating piston end is embedded with the seal plug with adjusting channel close fit.
The utility model has the following beneficial effects: the vacuum generator of the utility model, in use, compressed gas is through spray nozzle part
Into, enter jet pipe through admission line and be discharged again by outlet pipe, so that forming negative pressure at vacuum pipe, generates vacuum,
By the way that regulating mechanism is arranged on spray nozzle part, when the air pressure of compressed gas is excessive, portion gas can be adjusted channel and push tune
Section piston compression adjustment spring enters in adjusting cavity to be vented from exhaust passage, thus reduce into the air pressure in jet pipe, from
And vacuum magnitude is reduced, and then adjust the size of vacuum degree.And spring base is movably arranged in adjusting cavity by screw thread,
By rotation spring seat, thus the decrement of adjustment spring, and then adjust spring and be applied to the elastic force on regulating piston, to adjust
Section pushes air pressure size required for regulating piston, to control the size of the gas pressure entered in jet pipe, by above-mentioned
Adjust can reduce avoid because vacuum degree it is excessive caused by destruction to sucker or object.Also, adjustment structure is simple to operation, mentions
High production efficiency.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
In figure, 1. main parts；2. spray nozzle part；3. jet pipe；4. outlet pipe；5. vacuum pipe；6. admission line；7.
Adjustment seat；8. adjusting cavity；9. adjusting channel；10. exhaust passage；11. regulating piston；12. spring base；13. adjustment spring；14.
Seal plug；15. pressure gauge；16. muffler；17. measuring pipeline.
Specific embodiment
The utility model is further illustrated in conjunction with attached drawing.
A kind of vacuum generator shown in Figure 1, including main part 1 and the spray nozzle part 2 being mounted on main part 1, spray
Mouth 2 is connect by screw thread with admission line 6, easy to connect, and sealing ring is equipped between spray nozzle part 2 and main part 1, close to guarantee
Envelope property is good, prevents gas leakage, is equipped with jet pipe 3, outlet pipe 4 and vacuum pipe 5 in main part 1, and jet pipe 3
In one end of main part 1, outlet pipe 4 is located at the other end of main part 1, and spray nozzle part 2 is installed on the jet pipe 3 of main part 1,
The admission line 6 being connected to jet pipe 3 is equipped in spray nozzle part 2, admission line 6 is Venturi tube, and the section of Venturi tube becomes
Law meets the changing rule in fluid stream section itself, therefore relatively high vacuum degree can be generated using Venturi tube,
Minimum is reached to the energy loss of high pressure gas simultaneously, main part 1 is equipped with measurement pipeline 17, measurement pipeline 17 and vacuum pipe 5
It on the same axis and communicates, measurement pipeline 17 is equipped with pressure vacuum gauge 15, and pressure vacuum gauge 15 passes through screw thread and measurement pipe
Road 17 connects, and the vacuum degree of measurement pipeline 17 can be measured by pressure vacuum gauge 15, because of measurement pipeline 17 and vacuum pipe 5
It communicates, therefore measures the vacuum degree of vacuum pipe 5 indirectly, by observing the vacuum degree of vacuum pipe 5, vacuum can be occurred
The working condition of device is monitored, and muffler 16 is equipped in outlet pipe 4, is provided with multiple outlets on the side wall of the muffler 16
Hole, to form the gas dispersion compared with low flow velocity, to reduce vacuum generator influence caused by the external world.
Spray nozzle part 2 is equipped with regulating mechanism, and regulating mechanism includes adjustment seat 7, and adjusting cavity 8 is equipped in adjustment seat 7, will be adjusted
The adjusting channel 9 and the exhaust passage 10 for being connected to adjusting cavity 8 with ambient atmosphere that chamber 8 is connected to admission line 6, adjusting cavity 8
It is interior to be equipped with regulating piston 11 and spring base 12, adjustment spring 13, regulating piston 11 are equipped between spring base 12 and regulating piston 11
With adjusting 9 close fit of channel under the action of adjustment spring 13,11 end of regulating piston is embedded with and adjusts 9 close fit of channel
Seal plug 14 screw thread is equipped in adjusting cavity 8, spring base 12 is by being threadedly engaged movably to guarantee that leakproofness is good
It is set in adjusting cavity 8.
The vacuum generator of the utility model enters through admission line 6 and sprays in use, compressed gas enters through spray nozzle part 2
Feed channel 3 is discharged by outlet pipe 4 again, so that forming negative pressure at vacuum pipe 5, vacuum is generated, by being arranged on spray nozzle part 2
Regulating mechanism, when the air pressure of compressed gas is excessive, portion gas can be adjusted channel 9 and push 11 compression adjustment bullet of regulating piston
Spring 13 enters in adjusting cavity 8 to be vented from exhaust passage 10, to reduce into the air pressure in jet pipe 3, to reduce negative pressure
Size, and then adjust the size of vacuum degree.And spring base 12 is movably arranged in adjusting cavity 8 by screw thread, by turning
Flexible spring seat 12, thus the decrement of adjustment spring 13, and then adjust spring and be applied to the elastic force on regulating piston 11, to adjust
Section pushes air pressure size required for regulating piston 11, to control the size of the gas pressure entered in jet pipe 3, to adjust
Save vacuum degree size, can reduce by above-mentioned adjusting avoid because vacuum degree it is excessive caused by destruction to sucker or object.Also,
Adjustment structure is simple to operation, improves production efficiency.
The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range
The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.
Claims (7)
1. a kind of vacuum generator, including main part (1) and the spray nozzle part (2) being mounted on main part (1), in main part (1)
Equipped with jet pipe (3), outlet pipe (4) and vacuum pipe (5), jet pipe (3) is located at one end of main part (1), outlet
Pipeline (4) is located at the other end of main part (1), and spray nozzle part (2) is installed on the jet pipe (3) of main part (1), and feature exists
In: the admission line (6) being connected to jet pipe (3) is equipped in spray nozzle part (2), spray nozzle part (2) is equipped with regulating mechanism, adjusts
Mechanism includes adjustment seat (7), the adjusting for being equipped with adjusting cavity (8) in adjustment seat (7), being connected to adjusting cavity (8) with admission line (6)
Channel (9) and the exhaust passage (10) for being connected to adjusting cavity (8) with ambient atmosphere, adjusting cavity (8) is interior to be equipped with regulating piston
(11) and spring base (12) adjustment spring (13), are equipped between spring base (12) and regulating piston (11), regulating piston (11) exists
With adjusting channel (9) close fit under the action of adjustment spring (13), adjusting cavity (8) is interior to be equipped with screw thread, and spring base (12) passes through
It is threadedly engaged and is movably arranged in adjusting cavity (8).
2. a kind of vacuum generator according to claim 1, it is characterised in that: spray nozzle part (2) passes through screw thread and air inlet pipe
Road (6) connection.
3. a kind of vacuum generator according to claim 1, it is characterised in that: admission line (6) is Venturi tube.
4. a kind of vacuum generator according to claim 1, it is characterised in that: main part (1) is equipped with measurement pipeline (17),
Measurement pipeline (17) on the same axis and is communicated with vacuum pipe (5), and measurement pipeline (17) is equipped with pressure vacuum gauge (15),
Pressure vacuum gauge (15) is connect by screw thread with measurement pipeline (17).
5. a kind of vacuum generator according to claim 1, it is characterised in that: set between main part (1) and spray nozzle part (2)
There is sealing ring.
6. a kind of vacuum generator according to claim 1, it is characterised in that: be equipped with muffler in outlet pipe (4)
(16).
7. a kind of vacuum generator according to claim 1, it is characterised in that: regulating piston (11) end is embedded with and adjusts
The seal plug (14) of channel (9) close fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821222925.0U CN208719027U (en) | 2018-07-31 | 2018-07-31 | A kind of vacuum generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821222925.0U CN208719027U (en) | 2018-07-31 | 2018-07-31 | A kind of vacuum generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208719027U true CN208719027U (en) | 2019-04-09 |
Family
ID=65975494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821222925.0U Expired - Fee Related CN208719027U (en) | 2018-07-31 | 2018-07-31 | A kind of vacuum generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208719027U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132483A (en) * | 2019-05-27 | 2019-08-16 | 北京航天雷特机电工程有限公司 | A kind of vacuum degree measuring equipment of vacuum pipe |
| CN112303039A (en) * | 2020-11-17 | 2021-02-02 | 连云港佑丰电力设备有限公司 | Steam ejector |
-
2018
- 2018-07-31 CN CN201821222925.0U patent/CN208719027U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132483A (en) * | 2019-05-27 | 2019-08-16 | 北京航天雷特机电工程有限公司 | A kind of vacuum degree measuring equipment of vacuum pipe |
| CN112303039A (en) * | 2020-11-17 | 2021-02-02 | 连云港佑丰电力设备有限公司 | Steam ejector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190409 Termination date: 20200731 |