CN208416946U - The vacuum pump stator assembly of rapid heat dissipation - Google Patents
The vacuum pump stator assembly of rapid heat dissipation Download PDFInfo
- Publication number
- CN208416946U CN208416946U CN201821123170.9U CN201821123170U CN208416946U CN 208416946 U CN208416946 U CN 208416946U CN 201821123170 U CN201821123170 U CN 201821123170U CN 208416946 U CN208416946 U CN 208416946U
- Authority
- CN
- China
- Prior art keywords
- stator
- blade
- heat dissipation
- vacuum pump
- rotor
- 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
Links
Landscapes
- Rotary Pumps (AREA)
Abstract
The utility model provides the vacuum pump stator assembly of rapid heat dissipation, belong to field of vacuum, including lower cover, stator, rotor, blade and upper end cover, the lower cover, stator and upper end cap via screw rod are fixedly connected, the lower cover is equipped with air inlet, the upper end cover is equipped with venthole, the rotor is located at the inside of the stator and the two is not coaxially disposed, the inner surface of the stator is equipped with vacuum ionic coating, multiple locating slots are evenly equipped on the rotor, the blade is located in the locating slot and the two is slidably connected, the lower cover and the stator are integrally formed, the outer ring of the stator is evenly equipped with multiple cooling fins, the thickness of the cooling fin is less than the thickness of the stator, the outer ring of the stator is equipped with installation guide protrusions.The utility model is equipped with multiple cooling fins in the outer ring of stator, greatly improves the efficiency of heat dissipation.
Description
Technical field
The utility model belongs to auto parts field, is related to the vacuum pump stator of a kind of vacuum pump more particularly to rapid heat dissipation
Assembly.
Background technique
With the rapid development of economy, automobile using more and more extensive, modern vehicle mostly uses vacuum booster to make greatly
For the auxiliary power-assisted mode of braking system, vacuum booster is communicated by check valve with motor intake manifold, engine operating
When, negative pressure is generated, and then form pressure difference at booster diaphragm both ends, to reach the work for mitigating brake pedal operation power
With the size of vacuum power directly affects braking effect, and vacuum degree plays a significant role braking system, and vacuum pump is to answer at present
With most commonly used vacuum booster.
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, i.e. vacuum pump are to be improved in a certain enclosure space with various methods, generate and maintain the dress of vacuum
Set, pump chamber internal rotor rotate generate the variation of volume and by outside gas discharge pump, mainly in breathing process, suction cavity
Product increases, and vacuum degree reduces, and gas in container is sucked pump chamber, and volume becomes smaller in exhaust process, and pressure increases, and will finally inhale
Outside the gas discharge pump entered.
In vacuum pump during actual use, under the premise that especially automobile operates for a long time, the temperature meeting of gas
Risen, this when just needs good heat dissipation performance, in addition to trying every possible means to solve the problems, such as cooling from driving source, is turning
It is also required to guarantee good heat dissipation performance between son and the biggish part of stator relative rotation.
Utility model content
Problem to be solved in the utility model is to be to provide the vacuum pump stator assembly of rapid heat dissipation, reduces the thickness of stator
Degree, while multiple reinforcing ribs are set in the outer ring of stator, increasing heat radiation area, improving radiating effect, while in the inner ring of stator
Vacuum ionic coating is set, and further improving radiating effect guarantees good heat dissipation performance.
In order to solve the above technical problems, the technical solution adopted in the utility model is: the vacuum pump stator assembly of rapid heat dissipation,
Including lower cover, stator, rotor, blade and upper end cover, company is fixed in the lower cover, stator and upper end cap via screw rod
Connect, the lower cover be equipped with air inlet, the upper end cover be equipped with venthole, the rotor be located at the inside of the stator and
The two is not coaxially disposed, and the inner surface of the stator is equipped with vacuum ionic coating, is evenly equipped with multiple locating slots, institute on the rotor
State that blade is located in the locating slot and the two is slidably connected, the lower cover and the stator are integrally formed, the stator
Outer ring is evenly equipped with multiple cooling fins, and the thickness of the cooling fin is less than the thickness of the stator, and the outer ring of the stator is equipped with peace
Fill guide protrusions；
The rotor side adjacent with the blade is equipped with guide groove, and the guiding of rotation connection is installed on the blade
Roller, the guide roller is located in the guide groove and the tangent setting of the two.
Further, the bottom of the locating slot is equipped with the first connection fillet, and the blade is close to the positioning trench bottom
Side be equipped with second connection fillet, it is described second connection fillet radius be less than it is described first connection fillet radius.
Further, the guide groove is oblique to one end close to the stator inner wall from one end far from the stator inner wall
It sets up.
Further, the axis of the guide groove and horizontal angle are 1.5~3 degree.
Further, fixed link is vertically equipped on the side of the blade, the guide roller is located at the fixed link
Outer ring and the two coaxial arrangement, are equipped with needle bearing, the fixed link is far from institute between the guide roller and the fixed link
The one end for stating blade is equipped with fixed end cap, and the fixed end cap is by screw solid lock in the fixed link and outside and the rolling
The outer ring of needle bearing contacts setting.
Further, the height of the rotor is 0.03~0.08mm lower than the height distance of the stator.
Further, the air inlet and venthole are arc-shaped through-hole, and the sectional area of the air inlet goes out greater than described in
The sectional area of stomata.
Further, the blade is integrally formed by graphite material.
Compared with prior art, the utility model has the advantages and positive effects of: 1, the utility model is in stator
Multiple cooling fins are arranged in outer ring, and the thickness of the ratio stator of the thickness of cooling fin setting is small, can be timely by stator interior
Heat disseminates away, and thermal diffusivity is good, while installation guide protrusions are arranged, and promotes the speed of installation, in addition by lower cover and stator
It is arranged integrally, reduces the quantity of fastener, further promotes the efficiency of assembly；2, the radius of the second connection fillet is less than the
The radius of one connection fillet avoids blade and vacuum state occurs between locating slot when being moved to positioning trench bottom,
Lead to the bad separation of blade, the unsmooth situation of relative motion occurs, and ensure that the stable operation of structure；3, be arranged guide roller and
After guide groove, by between original blade and rotor face contact and face friction be converted to guide roller and guide groove point contact, greatly
The frictional force for reducing the two under relative motion state greatly thereby reduces the noise of relative motion generation；4, using needle roller axis
It holds, so that the rotation of guide roller is more stable, and needle bearing can bear certain radial load, meet blade back and forth
The radial force caused by guide roller in rotational movement process, so that structure is more reliable and more stable.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the structural schematic diagram of the vacuum pump stator assembly of the utility model rapid heat dissipation；
Fig. 2 is the portion the A detail drawing of the utility model Fig. 1；
Fig. 3 is the cross-section diagram of the utility model blade and rotor engagement；
Fig. 4 is the portion the B detail drawing of the utility model Fig. 3；
Fig. 5 is schematic diagram of the utility model guide groove on rotor.
Appended drawing reference:
31- stator；311- cooling fin；312- installs guide protrusions；32- rotor；321- locating slot；The connection of 322- first circle
Angle；323- guide groove；The connection fillet of 331- second；332- fixed link；333- guide roller；334- needle bearing；335- is fixed
End cap；33- blade；34- lower cover；341- air inlet；35- upper end cover；351- venthole.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should 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 describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
It elaborates with reference to the accompanying drawing to specific embodiment of the utility model.
As shown in Figure 1, Figure 2 and Figure 3, the utility model is the vacuum pump stator assembly of rapid heat dissipation, including lower cover 34, fixed
Son 31, rotor 32, blade 33 and upper end cover 35, lower cover 34, stator 31 and the lid of upper end cover 35 are fixedly connected by screw rod,
Lower cover 34 is equipped with air inlet 341, and upper end cover 35 is equipped with venthole 351, and rotor 32 is located at the inside of stator 31 and the two
It is not coaxially disposed, the inner surface of stator 31 is equipped with vacuum ionic coating, is evenly equipped with multiple locating slots on rotor 32, blade 33 is located at
In locating slot and the two is slidably connected, and lower cover 34 and stator 31 are integrally formed, and the outer ring of stator 31 is evenly equipped with multiple cooling fins
311, the thickness of cooling fin 311 is less than the thickness of stator 31, and the outer ring of stator 31 is equipped with installation guide protrusions 312；Preferably, leaf
Piece 33 is integrally formed by graphite material, and wearability is good.
Preferably, the bottom of locating slot 321 be equipped with first connection fillet 322, blade 33 close to 321 bottom of locating slot one
Side is equipped with the second connection fillet 331, and the radius of the second connection fillet 331 avoids leaf less than the radius of the first connection fillet 322
There is vacuum state between locating slot 321 when being moved to 321 bottom of locating slot in piece 33, leads to 33 bad points of blade
From the unsmooth situation of relative motion occurs, and ensure that the stable operation of structure.
Preferably, as shown in Fig. 3, Fig. 4 and Fig. 5, the side adjacent with blade 33 of rotor 32 is equipped with guide groove 323, blade
The guide roller 333 of rotation connection is installed on 33, guide roller 333 is located in guide groove 323 and the tangent setting of the two, setting
After guide roller 333 and guide groove 323, by between original blade 33 and rotor 32 face contact and face friction be converted to orienting roll
Son 333 and 323 point contact of guide groove greatly reduce the frictional force of the two under relative motion state, thereby reduce opposite fortune
The raw noise of movable property.
Preferably, guide groove 323 is set obliquely from one end far from 31 inner wall of stator to one end close to 31 inner wall of stator
It sets, guarantees when air inlet, lower end surface has certain space apart from air inlet, increases the volume of air inlet, promotes air-breathing effect
Rate；It is highly preferred that the axis of guide groove 323 and horizontal angle are 1.5~3 degree, preferably 2 degree, big, blade is reached in angle
33 are inconvenient to slide, this angle is too small to act on less raising efficiency.
Preferably, fixed link 332 is vertically equipped on the side of blade 33, guide roller 333 is located at the outer ring of fixed link 332
And the two is coaxially disposed, and needle bearing 334 is equipped between guide roller 333 and fixed link 332, fixed link 332 is far from blade 33
One end be equipped with fixed end cap 335, fixed end cap 335 is by screw solid lock in fixed link 332 and outside and needle bearing 334
Outer ring contact setting, using needle bearing 334, so that the rotation of guide roller 333 is more stable, and needle bearing 334
Certain radial load can be born, meets blade 33 in rotating back and forth motion process to radial force caused by guide roller 333,
So that structure is more reliable and more stable.
Preferably, the height of rotor 32 lower than stator 31 height distance be 0.03~0.08mm, preferably 0.05mm,
The height for increasing stator 31 on the basis of this to greatest extent, increases air-breathing volume, improves the efficiency of air-breathing.
Preferably, air inlet 341 and venthole 351 are arc-shaped through-hole, and the sectional area of air inlet 341 is greater than venthole
351 sectional area, gas output are less than air inflow, can reduce the speed of outlet to a certain extent, reduce the generation of noise, this
Structure matches oblique sliding of the hing straps 33 in guide groove 323, the further expansion difference of air inflow and gas output, further
The efficiency vacuumized is improved, while reducing noise.
In practical work process, under the action of vaccum pump motor, rotor 32 and motor solid lock, rotor 32 ceaselessly exist
The internal rotating of stator 31, blade 33 and the inner wall of positioning are in contact condition during rotation, since rotor 32 is in stator
It is eccentric setting inside 31, therefore during rotation, blade 33 is relative to rotor 32 constantly in extending and retracting
State, gas are sucked from air inlet 341, are then discharged by venthole 351, and the movement for inhaling vacuum is completed, and are stretched out in blade 33
During retraction, since guide groove 323 is to be obliquely installed, when air inlet blade 33 retract, 33 distance of blade into
Port has certain height, allows access into more gases, and when venthole 351, blade 33 stretches out, and blade 33 is apart from out
The distance of port becomes smaller, and improves the efficiency vacuumized, while multiple cooling fins are arranged in the outer ring of stator, greatly improves scattered
Heat effect, ensure that efficient and good heat radiating of the total in the case where running at high speed, can longer-term steady running.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should still belong within the patent covering scope of the utility model.
Claims (8)
1. the vacuum pump stator assembly of rapid heat dissipation, it is characterised in that: including lower cover, stator, rotor, blade and upper end cover, institute
It states lower cover, stator and upper end cap via screw rod to be fixedly connected, the lower cover is equipped with air inlet, on the upper end cover
Equipped with venthole, the rotor is located at the inside of the stator and the two is not coaxially disposed, and the inner surface of the stator is equipped with true
Empty ion plating is evenly equipped with multiple locating slots on the rotor, and the blade is located in the locating slot and the two is slidably connected,
The lower cover and the stator are integrally formed, and the outer ring of the stator is evenly equipped with multiple cooling fins, the thickness of the cooling fin
Less than the thickness of the stator, the outer ring of the stator is equipped with installation guide protrusions；
The rotor side adjacent with the blade is equipped with guide groove, and the orienting roll of rotation connection is installed on the blade
Son, the guide roller is located in the guide groove and the tangent setting of the two.
2. the vacuum pump stator assembly of rapid heat dissipation according to claim 1, it is characterised in that: the bottom of the locating slot is set
There is the first connection fillet, the blade is equipped with the second connection fillet, second connection close to the side of the positioning trench bottom
The radius of fillet is less than the radius of the first connection fillet.
3. the vacuum pump stator assembly of rapid heat dissipation according to claim 1, it is characterised in that: the guide groove is from far from institute
The one end for stating stator inner wall is arranged obliquely to one end close to the stator inner wall.
4. the vacuum pump stator assembly of rapid heat dissipation according to claim 3, it is characterised in that: the axis of the guide groove with
Horizontal angle is 1.5~3 degree.
5. the vacuum pump stator assembly of rapid heat dissipation according to claim 1, it is characterised in that: hang down on the side of the blade
It is directly equipped with fixed link, the guide roller is located at the outer ring of the fixed link and the two is coaxially disposed, the guide roller and institute
It states and is equipped with needle bearing between fixed link, the fixed link is equipped with fixed end cap, the fixing end far from one end of the blade
Lid is by screw solid lock in the fixed link and outside with the outer ring of the needle bearing contacts setting.
6. the vacuum pump stator assembly of rapid heat dissipation according to claim 1, it is characterised in that: the height of the rotor is lower than
The height distance of the stator is 0.03~0.08mm.
7. the vacuum pump stator assembly of rapid heat dissipation according to claim 1, it is characterised in that: the air inlet and venthole
It is arc-shaped through-hole, the sectional area of the air inlet is greater than the sectional area of the venthole.
8. the vacuum pump stator assembly of rapid heat dissipation according to claim 1, it is characterised in that: the blade is by graphite material
It is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821123170.9U CN208416946U (en) | 2018-07-16 | 2018-07-16 | The vacuum pump stator assembly of rapid heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821123170.9U CN208416946U (en) | 2018-07-16 | 2018-07-16 | The vacuum pump stator assembly of rapid heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208416946U true CN208416946U (en) | 2019-01-22 |
Family
ID=65122772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821123170.9U Expired - Fee Related CN208416946U (en) | 2018-07-16 | 2018-07-16 | The vacuum pump stator assembly of rapid heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208416946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925205A (en) * | 2019-12-02 | 2020-03-27 | 厚力德机器（杭州）有限公司 | Individual household closestool vacuum pump |
-
2018
- 2018-07-16 CN CN201821123170.9U patent/CN208416946U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925205A (en) * | 2019-12-02 | 2020-03-27 | 厚力德机器（杭州）有限公司 | Individual household closestool vacuum pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1040787C (en) | Rotative compressor with integral blades and rotator | |
| CN208416946U (en) | The vacuum pump stator assembly of rapid heat dissipation | |
| WO2019024562A1 (en) | Compressor and refrigeration apparatus having same | |
| CN104121160B (en) | Double wave sphere piston type electric vacuum pump | |
| CN208416955U (en) | A kind of vacuum pump denoising structure | |
| CN110195645A (en) | A kind of multi-rotor engine | |
| CN208900354U (en) | New and effective vacuum pump | |
| CN1295195A (en) | Sealed rotary compressor | |
| CN208546307U (en) | The vacuum pump field frame assembly of high gettering efficiency | |
| CN103486047B (en) | Can turbo charged rotary compressor | |
| CN105485009B (en) | A kind of brake system of car electric vacuum pump | |
| CN109098968A (en) | Low-noise vacuum pump device | |
| CN109098967A (en) | efficient and low-noise vacuum pump | |
| CN112360742B (en) | Crankshaft, pump body structure and compressor | |
| WO2022041908A1 (en) | Air compressor | |
| CN106150839B (en) | A kind of mixed power electric car TRT | |
| CN212360179U (en) | Compressor pump body assembly, compressor and air conditioning system comprising compressor pump body assembly and compressor | |
| CN206054306U (en) | Compression mechanism and the rotary compressor with which | |
| CN205330976U (en) | Electric vacuum pump for automobile brake system | |
| CN116591954B (en) | Rotor assembly and pump body structure | |
| CN220227177U (en) | Novel positive displacement fan | |
| CN208364335U (en) | A kind of divergence form seal clearance is pumped into formula dry gas sealing structure | |
| CN106150841B (en) | A kind of TRT based on distance increasing unit automobile | |
| CN206054304U (en) | Compression mechanism and the rotary compressor with which | |
| CN208416956U (en) | The muffler of more U-shaped openings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 Termination date: 20200716 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |