CN109113998A - It vacuumizes and uses driving device - Google Patents
It vacuumizes and uses driving device Download PDFInfo
- Publication number
- CN109113998A CN109113998A CN201811097288.3A CN201811097288A CN109113998A CN 109113998 A CN109113998 A CN 109113998A CN 201811097288 A CN201811097288 A CN 201811097288A CN 109113998 A CN109113998 A CN 109113998A
- Authority
- CN
- China
- Prior art keywords
- driving claw
- driving
- claw
- rotation axis
- cavity
- 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- Withdrawn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
- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
-
- 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
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/005—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
- F04C29/0071—Couplings between rotors and input or output shafts acting by interengaging or mating parts, i.e. positive coupling of rotor and shaft
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 vacuumize with driving device, belong to delivery pump field, including shell, it is located at the enclosure interior and axis the first rotation axis disposed in parallel and the second rotation axis, the lower end of first rotation axis is equipped with transmission gear, the lower end of second rotation axis is equipped with driven gear, the transmission gear is engaged with driven gear, it is successively arranged the first driving claw and third driving claw from top to bottom in second rotation axis, first rotation axis is equipped with the second driving claw and the 4th driving claw, first driving claw and the second driving claw are equipped with realization pumping action, third driving claw and the 4th driving claw are equipped with realization pumping action.The present invention carries out vacuumize process using claw structure, shortens the distance between air inlet and exhaust outlet, reduces the temperature difference, and performance is more stable.
Description
Technical field
The invention belongs to delivery pump field, it is related to vertical type vacuum pump, more particularly to vacuumizes and use driving device.
Background technique
With the development that vacuum is applied, the type of vacuum pump has been developed that many kinds, pumping speed are raised to from zero point per second is several
Hundreds of thousands per second, millions of liters, as vacuum technique is applied to the requirement of pressure range in the field of production and scientific research
It is more and more wider, it needs just to be able to satisfy production and scientific research after being evacuated jointly by several vacuum pump groups at vacuum-pumping system mostly
The requirement of process, many equipment need to carry out simulation test under vacuum conditions.
Vacuum pump, which refers to, to be obtained using machinery, physics, chemically or physically chemical method to being evacuated by pumping container
The device or equipment of vacuum, for popular, vacuum pump is to improve, generate and maintain true in a certain enclosure space with various methods
Empty device.
In common vacuum pump vacuum, piston motion is mostly used to carry out air-breathing and exhaust event, is turned by belt
Motivation structure drives piston rod movement, this structure is easy to appear temperature rise, radiates bad.
Summary of the invention
The purpose of this part is to be to summarize some aspects of the embodiment of the present invention and briefly introduce some preferable realities
Apply example.It may do a little simplified or be omitted to avoid this is made in this section and the description of the application and the title of the invention
Partially, the purpose of abstract of description and denomination of invention is fuzzy, and this simplification or omission cannot be used for limiting the scope of the invention.
The problem of describing in view of the aforementioned technical background proposes the present invention, therefore, the one of purpose of the present invention
It is to provide one kind to vacuumize with driving device, vacuumize process is carried out using claw structure, is shortened between air inlet and exhaust outlet
Distance, reduce the temperature difference, performance is more stable.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: it vacuumizes with driving device, including shell,
It is located at the enclosure interior and axis the first rotation axis disposed in parallel and the second rotation axis, the lower end of first rotation axis is set
There is transmission gear, the lower end of second rotation axis is equipped with driven gear, and the transmission gear is engaged with driven gear；
The first driving claw and third driving claw, first rotation axis are successively arranged in second rotation axis from top to bottom
Be equipped with the second driving claw and the 4th driving claw, first driving claw includes rotating part and claw, the rotating part with it is described
The coaxial arrangement of second rotation axis, the claw are located at the outer ring of the rotating part and extend outwardly and contact with the inner ring of the shell
Setting, the inner ring of the shell include the first cavity and the second cavity, and first driving claw and third driving claw are located at described
In first cavity, second driving claw and the 4th driving claw are located in second cavity, first cavity and second
Cavity forms the shape that end face is 8, and the structure of second driving claw, third driving claw and the 4th driving claw and described first drive
The structure of pawl is identical, and second driving claw is equipped with first driving claw, and second driving claw is relatively described
The setting angle of first rotation axis is identical with respect to the setting angle of the second rotation axis as first driving claw, the third driving
The matching relationship of pawl and the 4th driving claw is identical as the matching relationship of first driving claw and the second driving claw；
The third driving claw and the first driving claw difference 180 degree are installed.
Further, the lower end of the third driving claw is equipped with identical 5th driving claw of structure, the 5th driving claw
It being located in second shaft, the thickness of the 5th driving claw is less than or equal to the thickness of the third driving claw, and described first
Shaft is equipped with the 6th driving claw cooperated with the 5th driving claw, the setting angle and described first of the 5th driving claw
The setting angle of driving claw is identical.
Further, the outer surface of the 5th driving claw and the 6th driving claw is equipped with wearing layer.
Further, the thickness of the third driving claw is identical as the thickness of first driving claw.
Further, the outer surface of first driving claw, the second driving claw, third driving claw and the 4th driving claw is equipped with
The inner ring of wearing layer, the shell is equipped with wearing layer.
Compared with prior art, the present invention has the advantage that as follows with good effect.
1, the present invention the first driving claw of setting and third driving claw, and the second driving claw of mating setting and the 4th driving claw,
It is arranged to two groups, promotes the efficiency vacuumized, this structure substantially reduces the distance between air inlet and exhaust outlet, reduces temperature
Difference, performance is more stable, and every grade of compression ratio is uniform, and pressure change is gentle, and temperature rises steadily, and this structure uses
Vertical setting is conducive to solid particle and purges out, and promotes internal degree of purity；
2, the 5th driving claw and the 6th driving claw are set, the efficiency vacuumized is further promoted；
3, the outer ring of each driving claw is respectively provided with wearing layer, is also provided with wearing layer in the inner ring of shell, extending structure makes
Use the service life.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without any creative labor, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram of the invention vacuumized with driving device；
Fig. 2 is the structural schematic diagram of the invention vacuumized with driving device under motion state；
Fig. 3 is the structural schematic diagram of the first driving claw of the invention；
Fig. 4 is the schematic diagram of movements of air inlet of the present invention；
Fig. 5 is the schematic diagram of movements of outlet of the present invention.
Appended drawing reference:
The second rotation axis of 20-；The first driving claw of 21-；211- driving portion；212- claw；21 '-the second driving claws；22-
Three driving claws；22 '-the four driving claws；The 5th driving claw of 23-；23 '-the six driving claws；24- driven gear；30- first is rotated
Axis；32- transmission gear；321- key；40- shell；The first cavity of 41-；The second cavity of 42-.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.
Secondly, combination schematic diagram of the present invention is described in detail, when describing the embodiments of the present invention, for purposes of illustration only, table
Show that the sectional view of device architecture can disobey general proportion and make partial enlargement, and the schematic diagram is example, is not answered herein
Limit the scope of protection of the invention.In addition, the three-dimensional space of length, width and depth should be included in actual fabrication
Again, it should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can
To be combined with each other.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
To make the object, technical solutions and advantages of the present invention clearer, with reference to the accompanying drawing to specific reality of the invention
Example is applied to elaborate.
As depicted in figs. 1 and 2, it vacuumizes with driving device, including shell 40, is located at 40 inside of shell and axis is set in parallel
The lower end of the first rotation axis 30 and the second rotation axis 20 set, the first rotation axis 30 is equipped with transmission gear 32, the second rotation axis 20
Lower end be equipped with driven gear 24, transmission gear 32 is engaged with driven gear 24, and transmission gear 32 passes through key 321 and first
Rotation axis 30 is fixedly connected；
The first driving claw 21 and third driving claw 22, the first rotation axis 30 are successively arranged in second rotation axis 20 from top to bottom
It is equipped with the second driving claw 21 ' and the 4th driving claw 22 ', as shown in figure 3, the first driving claw 21 includes rotating part and claw 212,
Rotating part and the second rotation axis 20 are coaxially disposed, the inner ring that claw 212 is located at the outer ring of rotating part and extends outwardly with shell 40
The inner ring of contact setting, shell 40 includes the first cavity 41 and the second cavity 42, and the first driving claw 21 and third driving claw 22 are set
In the first cavity 41, the second driving claw 21 ' and the 4th driving claw 22 ' are located in the second cavity 42, the first cavity 41 and second
Cavity 42 forms the shape that end face is 8, the structure and first of the second driving claw 21 ', third driving claw 22 and the 4th driving claw 22 '
The structure of driving claw 21 is identical, and the second driving claw 21 ' is equipped with the first driving claw 21 and the driving portion 211 of the two is tangent sets
It sets, the setting angle of opposite first rotation axis 30 of the second driving claw 21 ' and the peace of opposite second rotation axis 20 of the first driving claw 21
It is identical to fill angle, the matching relationship and the first driving claw 21 and the second driving claw 21 ' of third driving claw 22 and the 4th driving claw 22 '
Matching relationship it is identical；
Third driving claw 22 and the first driving claw 21 difference 180 degree are installed, and are avoided air flow blind angle, are promoted and taken out very
Empty efficiency.
Preferably, the lower end of third driving claw 22 is equipped with identical 5th driving claw 23 of structure, and the 5th driving claw 23 is located at
In second shaft, the thickness of the 5th driving claw 23 is less than or equal to the thickness of third driving claw 22, and first rotating shaft is equipped with and the 5th
The 6th driving claw 23 ' that driving claw 23 cooperates, the setting angle phase of the setting angle of the 5th driving claw 23 and the first driving claw 21
Together, the efficiency vacuumized can be further promoted after the 5th driving claw 23 is set, from top to bottom inlet port arranged in a crossed manner and gas outlet,
Air dead angle is avoided, the efficiency vacuumized is promoted.
Preferably, the outer surface of the 5th driving claw 23 and the 6th driving claw 23 ' is equipped with wearing layer, prolongs the service life.
Preferably, the thickness of third driving claw 22 is identical as the thickness of the first driving claw 21, facilitates blanking, and reduction is fabricated to
This, and can guarantee the compression ratio between two-stage up and down, guarantee the slowly varying of pressure and temperature, the stability of lift structure.
Preferably, the outer surface of the first driving claw 21, the second driving claw 21 ', third driving claw 22 and the 4th driving claw 22 '
Equipped with wearing layer, the inner ring of shell 40 is equipped with wearing layer, promotes the wearability of total, guarantees to make under long-term rotation contact
Use the service life.
During practical operation, the first rotation axis 30 connect realization rotation with external driving device, because of transmission
Gear 32 is engaged with driven gear 24, and then realizes the synchronous rotation of the second rotation axis 20, and in rotation process, first is driven
Pawl 21 and the second driving claw 21 ' are equipped with, and are realized and are relatively rotated, and the claw contacted with shell 40 is arranged in the first driving claw 21
212, it is the process that admission space is gradually increased as shown in (a) Dao (e) in Fig. 4, passes through claw 212 and 40 contact surface of shell
The variation of the volume of the first driving claw 21 and the opposite shell 40 of the second driving claw 21 ' is realized in long-pending variation, and f is after the completion of air inlet
State, complete the process of air inlet, during final vacuum is completed in air inlet, as shown in figure 5, (g) to shown in (l), the first driving
Pawl 21 and the second driving claw 21 ' continue to move after the completion of air inlet, and volume is gradually reduced, and realize the process of exhaust, and k is exhaust
State after the completion, l are emptying of delaying, the vacuuming action after air inlet and exhaust can be realized after continuously running, from top to bottom
It is arranged to three groups, promotes the efficiency vacuumized, this structure substantially reduces the distance between air inlet and exhaust outlet, reduces temperature
Difference, performance is more stable, and every grade of compression ratio is uniform, and pressure change is gentle, and temperature rises steadily, and this structure uses
Vertical setting is conducive to solid particle and purges out, and promotes internal degree of purity.
It should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferable
Embodiment describes the invention in detail, those skilled in the art should understand that, it can be to technology of the invention
Scheme is modified or replaced equivalently, and without departing from the spirit and scope of the technical solution of the present invention, should all be covered in this hair
In bright scope of the claims.
Claims (5)
1. vacuumizing with driving device, it is characterised in that: including shell, be located at the enclosure interior and axis disposed in parallel
The lower end of one rotation axis and the second rotation axis, first rotation axis is equipped with transmission gear, and the lower end of second rotation axis is set
There is driven gear, the transmission gear is engaged with driven gear；
The first driving claw and third driving claw are successively arranged in second rotation axis from top to bottom, is set in first rotation axis
There are the second driving claw and the 4th driving claw, first driving claw includes rotating part and claw, the rotating part and described second
Rotation axis coaxial arrangement, the claw are located at the outer ring of the rotating part and extend outwardly to contact with the inner ring of the shell and set
It sets, the inner ring of the shell includes the first cavity and the second cavity, and first driving claw and third driving claw are located at described the
In one cavity, second driving claw and the 4th driving claw are located in second cavity, first cavity and the second sky
Chamber forms the shape that end face is 8, the structure of second driving claw, third driving claw and the 4th driving claw and first driving
The structure of pawl is identical, and second driving claw is equipped with first driving claw and the tangent setting of the driving portion of the two, institute
State the installation of setting angle the second rotation axis opposite with first driving claw of relatively described first rotation axis of the second driving claw
Angle is identical, and the matching relationship of the third driving claw and the 4th driving claw and first driving claw and the second driving claw are matched
Conjunction relationship is identical；
The third driving claw and the first driving claw difference 180 degree are installed.
2. according to claim 1 vacuumize with driving device, it is characterised in that: the lower end of the third driving claw is equipped with
Identical 5th driving claw of structure, the 5th driving claw are located in second shaft, and the thickness of the 5th driving claw is small
In the thickness for being equal to the third driving claw, the first rotating shaft is equipped with the 6th driving cooperated with the 5th driving claw
The setting angle of pawl, the 5th driving claw is identical as the setting angle of first driving claw.
3. according to claim 2 vacuumize with driving device, it is characterised in that: the 5th driving claw and the 6th driving
The outer surface of pawl is equipped with wearing layer.
4. according to claim 1 vacuumize with driving device, it is characterised in that: the thickness of the third driving claw and institute
The thickness for stating the first driving claw is identical.
5. according to claim 1 vacuumize with driving device, it is characterised in that: first driving claw, the second driving
The outer surface of pawl, third driving claw and the 4th driving claw is equipped with wearing layer, and the inner ring of the shell is equipped with wearing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811097288.3A CN109113998A (en) | 2018-09-18 | 2018-09-18 | It vacuumizes and uses driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811097288.3A CN109113998A (en) | 2018-09-18 | 2018-09-18 | It vacuumizes and uses driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109113998A true CN109113998A (en) | 2019-01-01 |
Family
ID=64859813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811097288.3A Withdrawn CN109113998A (en) | 2018-09-18 | 2018-09-18 | It vacuumizes and uses driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109113998A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4940398A (en) * | 1987-05-15 | 1990-07-10 | Leybold Aktiengesellschaft | Twin-shaft, multiple-stage vacuum pump with the shafts vertically disposed |
| EP0480629A1 (en) * | 1990-10-06 | 1992-04-15 | The BOC Group plc | Improvements in mechanical pumps |
| US5401151A (en) * | 1992-10-22 | 1995-03-28 | The Boc Group Plc | Vacuum pumps |
| CN2703144Y (en) * | 2004-06-22 | 2005-06-01 | 中南大学 | Mechanical booster for internal combustion engine |
| CN1862020A (en) * | 2005-05-10 | 2006-11-15 | 北京朗禾科技有限公司 | Paw type dry vacuum pump |
| CN101608619A (en) * | 2009-07-16 | 2009-12-23 | 徐曦 | Spiral anti-clawed vacuum pump |
| CN202531431U (en) * | 2012-04-09 | 2012-11-14 | 范华军 | Vertical claw type vacuum pump |
| CN208966585U (en) * | 2018-09-18 | 2019-06-11 | 世通海泰泵业（天津）股份有限公司 | Vertical type vacuum pump claw driving assembly |
-
2018
- 2018-09-18 CN CN201811097288.3A patent/CN109113998A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4940398A (en) * | 1987-05-15 | 1990-07-10 | Leybold Aktiengesellschaft | Twin-shaft, multiple-stage vacuum pump with the shafts vertically disposed |
| EP0480629A1 (en) * | 1990-10-06 | 1992-04-15 | The BOC Group plc | Improvements in mechanical pumps |
| US5401151A (en) * | 1992-10-22 | 1995-03-28 | The Boc Group Plc | Vacuum pumps |
| CN2703144Y (en) * | 2004-06-22 | 2005-06-01 | 中南大学 | Mechanical booster for internal combustion engine |
| CN1862020A (en) * | 2005-05-10 | 2006-11-15 | 北京朗禾科技有限公司 | Paw type dry vacuum pump |
| CN101608619A (en) * | 2009-07-16 | 2009-12-23 | 徐曦 | Spiral anti-clawed vacuum pump |
| CN202531431U (en) * | 2012-04-09 | 2012-11-14 | 范华军 | Vertical claw type vacuum pump |
| CN208966585U (en) * | 2018-09-18 | 2019-06-11 | 世通海泰泵业（天津）股份有限公司 | Vertical type vacuum pump claw driving assembly |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190101 |
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| WW01 | Invention patent application withdrawn after publication |