CN106224201B - Vacuum pump of electric automobile - Google Patents
Vacuum pump of electric automobile Download PDFInfo
- Publication number
- CN106224201B CN106224201B CN201610795317.8A CN201610795317A CN106224201B CN 106224201 B CN106224201 B CN 106224201B CN 201610795317 A CN201610795317 A CN 201610795317A CN 106224201 B CN106224201 B CN 106224201B
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- China
- Prior art keywords
- check valve
- valve
- pump case
- construction opening
- cylinder sleeve
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/127—Mounting of a cylinder block in a casing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
Abstract
The present invention relates to a kind of automobile parts, in particular to a kind of vacuum pump of electric automobile.A kind of technical solution are as follows: vacuum pump of electric automobile, it include motor, pump case, pump case equipped with construction opening, it is equipped in check valve and cylinder sleeve, cylinder sleeve at construction opening and is equipped with piston cup, piston cup is connected by the motor shaft of connecting rod and motor by crankshaft, longitudinal both ends of pump case are respectively equipped with construction opening, the cylinder sleeve and check valve connecting with pump case are respectively equipped at construction opening, the transverse ends of pump case are closed end face；The unidirectional valve insert of the inner wall sealing of outer peripheral surface and inlet channel and exhaust passage is arranged in the inlet channel and exhaust passage of check valve respectively, breather check valve valve block and exhaust check valve piece are respectively arranged in unidirectional valve sealing gasket.By adopting the above technical scheme, provide it is a kind of holding connecting rod and pump case construction opening assemble when concentricity, good airproof performance, reduce noise, the simple vacuum pump of electric automobile of structure.
Description
Technical field
The present invention relates to a kind of automobile parts, in particular to a kind of vacuum pump of electric automobile.
Background technique
Electric vacuum pump is the vacuum source of vacuum automobile water brake, force aid system, mainly by motor, be set up in electricity
Longitudinal both ends of pump case, pump case on machine are respectively equipped with construction opening, be respectively equipped at two construction openings check valve and cylinder sleeve, with
Motor linkage and the piston cup that can be at reciprocating movement in cylinder sleeve, piston cup pass through song by the motor shaft of connecting rod and motor
Axis connection, one end that connecting rod is connect with crankshaft have two panels at ringent clamping piece, are fixed between two clamping pieces by screw
Connecting rod and crankshaft is promoted to lock, check valve is equipped with the pipeline connecting with external equipment.
Mounting hole is offered on traditional pump case side wall corresponding with connecting rod clamping piece, it, first will be even in assembling process
Bar is installed pump case on motor, is then extended to specific purpose tool in pump case by mounting hole by crankshaft and motor axis connection
Locking is implemented to the screw at the clamping piece of connecting rod.In assembling process, although concentric between connecting rod and pump case construction opening
Degree corrected, but specific purpose tool on clamping piece locking implement locking when connecting rod can be caused to shake, make to have corrected same
Heart degree changes.Such structure and assembly method will cause piston cup leather cup, and all directions stress is not in cylinder sleeve
Together, the place abrasion aggravation that stress is big is easily caused, product failure is made, to can not be helped for the better vacuum of internal car systems
Power.And the mounting hole on pump case is stated after assembling on the implementation and is needed by being blocked, and leakage is easy to appear at the closure.
Unidirectional valve gasket is equipped at the entering part of traditional check valve, electric vacuum pump is single during vacuumizing
To generating lasting collision between valve gasket meeting and check valve, when collision, can generate biggish noise, it will usually in check valve
Noise reduction valve is set at discharge portion, however, noise reduction valve can only reduce noise to a certain extent, does not eliminate and makes an uproar from the root
Sound.And traditional noise reduction valve is independently installed in the part on check valve, processes and the uniformity of product is difficult to ensure.
Summary of the invention
When being assembled in view of the deficiencies of the prior art, the present invention provides a kind of holding connecting rod and pump case construction opening
Concentricity, reduces noise, the simple vacuum pump of electric automobile of structure at good airproof performance.
To achieve the above object, the present invention provides the following technical scheme that a kind of vacuum pump of electric automobile, includes electricity
Machine, the pump case being set up on motor, pump case are equipped with construction opening, and check valve and cylinder sleeve are equipped at construction opening, is joined with motor
Piston cup that is dynamic and can be at reciprocating movement in cylinder sleeve, piston cup pass through crankshaft by the motor shaft of connecting rod and motor and connect
It connects, one end that connecting rod is connect with crankshaft has two panels at ringent clamping piece, passes through the fixed company of fastener between two clamping pieces
It connects, the check valve includes unidirectional valve body, the connecting cavity and connecting cavity be connected on unidirectional valve body and with cylinder sleeve
The inlet channel and exhaust passage of conducting are equipped with breather check valve valve block, the row of being equipped at exhaust passage at the inlet channel
Gas check valve sheet, it is characterised in that: longitudinal both ends of the pump case are respectively equipped with construction opening, be respectively equipped at construction opening with
The cylinder sleeve and check valve of pump case connection, the transverse ends of pump case are closed end face, and pump case has towards one end of motor can be with
The bottom construction opening of motor installation；It is arranged with outer peripheral surface and air inlet respectively in the inlet channel and exhaust passage of the check valve
The unidirectional valve insert of the inner wall of channel and exhaust passage sealing, the breather check valve valve block and exhaust check valve piece difference
It is installed in unidirectional valve sealing gasket.
By adopting the above technical scheme, longitudinal both ends of pump case are equipped with the construction opening for implementing installation with cylinder sleeve and check valve,
Transverse ends are closed end, and connecting rod first can be implemented to install by such structure in assembling process by crankshaft and motor shaft,
And the concentricity of the construction opening of connecting rod and pump case implements correction, then locks the clamping piece on connecting rod, it can also be again after locking
Secondary to implement to proofread to concentricity, after concentricity is consistent, then by pump case and motor implementation connection, be arranged can guarantee connecting rod in this way
It is consistent with the concentricity of pump case construction opening, and is not in variation in assembling process, make making for the electric vacuum pump
With more stable, and structure is more simple, assembles more convenient, and not set mounting hole on closed end, makes its sealing
Point is reduced, and therefore, the leakproofness of pump case then can be more preferable；By be respectively set in the inlet channel and exhaust passage of check valve with
The unidirectional valve sealing gasket of the circumferential surface of inlet channel and exhaust passage sealing, and by breather check valve valve block and exhaust check valve
Piece is respectively arranged in unidirectional valve sealing gasket, and during the work time, breather check valve valve block and exhaust check valve piece are by original
With check valve repeatedly implement collision variation for unidirectional valve sealing gasket implement collide, due to unidirectional valve insert be it is flexible
Rubber bodies, therefore, what when collision between breather check valve valve block and exhaust check valve piece and unidirectional valve sealing gasket generated makes an uproar
Sound is smaller or noiseless, is arranged implements improvement from the source that noise occurs in this way, so that noise be reduced or avoided
It generates.
The present invention is further arranged to: being equipped at the exhaust passage of check valve and one end of check valve turned on outside detachable
Venting plug, the gas vent for exhaust passage and turned on outside is offered on venting plug, exhaust check valve piece and exhaust are stifled
It is equipped with noise damping space between head, compression wool noise reduction block is equipped in the noise damping space.
Wherein, it is equipped with compression wool noise reduction block limited step in noise damping space, compresses one end and the limit of wool noise reduction block
Position step contradicts, and the other end and venting plug contradict.
By adopting the above technical scheme, the setting of noise damping space and venting plug can be used for placing in unidirectional vent passageway
Reduce the compression wool noise reduction block of noise, for reducing or eliminate noise caused by check valve air-intake valve plate on check valve, will
Wool is compressed into blocks, is on the one hand easily installed, and controllable for the filling amount of wool, and it is very few out to avoid the occurrence of filling
The case where existing noise reduction effect is poor, and investment excessively causes the closure of exhaust passage, makes vacuum pump that can not normally extract vacuum.And this
It is not necessarily to separately set for reducing or eliminate the valve body of noise in invention, which is substituted by exhaust passage, and the component of noise reduction is direct
In exhaust passage, production cost is not only reduced, and the filling measurer of noise damping space and wool is made to have uniformity, just
In processing.
The present invention is further set to: offered on unidirectional valve insert connecting hole and with breather check valve valve block or row
The through-hole for sealing when gas check valve sheet is bonded or being connected when separating with breather check valve valve block or exhaust check valve piece, air inlet are unidirectional
Valve valve block and exhaust check valve piece are equipped with towards one end of unidirectional valve insert to be extended in connecting hole and can be axial along connecting hole
The connecting rod of reciprocating movement, connecting rod are connect at the other end of one end relative to breather check valve valve block and exhaust check valve piece
Equipped with limited block.
By adopting the above technical scheme, setting makes breather check valve valve block and exhaust check valve piece can be close by check valve in this way
While gasket is connect with check valve, can also make breather check valve valve block and exhaust check valve piece can normal implementation,
During the work time, breather check valve valve block and exhaust check valve piece are made by connecting rod thereon with unidirectional valve insert reciprocal
Mobile, when breather check valve valve block and exhaust check valve piece are bonded with unidirectional valve insert, through-hole is in sealing state, and into
When gas one-way valve plate and exhaust check valve piece are separated with unidirectional valve sealing gasket, then air-flow can be into or out by through hole,
The setting of limited block is then that breather check valve valve block and exhaust check valve piece and unidirectional valve sealing gasket are detached from order to prevent.
The present invention is further set to: the inlet channel of check valve is another relative to setting breather check valve valve block one end
One end is upstream end, the entrance input channel with the perpendicular shape connection of inlet channel is equipped at the upstream end, into input channel
Place is equipped with the jointing that enters of straight-tube shape, and the outer peripheral surface of jointing is equipped with several for the mounting groove of sealing ring installation.
By adopting the above technical scheme, such setting structure is simple, in process, without as traditional vacuum pump
It processes processing corresponding with inlet channel hole and improves sealing performance to reduce seal point；Jointing is straight-tube shape,
It is not only convenient for installing, and the leakproofness after installation is protected.
The present invention is further set to: the edge that the construction opening of pump case is located at cylinder sleeve installation place is equipped with short slot, cylinder sleeve
Gasket is equipped between construction opening.
By adopting the above technical scheme, the setting of short slot is convenient for adjusting assembly and when later maintenance to cylinder sleeve and gasket
It removes.
The invention will be further described below in conjunction with the accompanying drawings.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of the embodiment of the present invention；
Fig. 2 is the decomposition diagram of the embodiment of the present invention；
Fig. 3 is the stereoscopic schematic diagram of check valve in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of check valve in the embodiment of the present invention；
Fig. 5 is the A-A diagrammatic cross-section of Fig. 4；
Fig. 6 is the B-B diagrammatic cross-section of Fig. 4；
Fig. 7 is the structural schematic diagram of pump case in the embodiment of the present invention.
Specific embodiment
Such as a kind of Fig. 1-vacuum pump of electric automobile shown in Fig. 7, include motor 1, the pump case being set up on motor 12,
Pump case 2 is equipped with construction opening 21, and check valve 3 and cylinder sleeve 4 are equipped at construction opening 21, links with motor 1 and can be at cylinder sleeve 4
The piston cup 5 of interior reciprocating movement, piston cup 5 are connect with the motor shaft 11 of motor 1 by crankshaft 12 by connecting rod 6, connecting rod 6
The one end connecting with crankshaft 12 has two panels at ringent clamping piece 61, by fastener 62 between two clamping pieces 61, such as spiral shell
Nail is fixedly connected, and check valve 3 includes unidirectional valve body 31, the connecting cavity be connected on unidirectional valve body 31 and with cylinder sleeve 4
32, the inlet channel 33 and exhaust passage 34 be connected with connecting cavity 32 is equipped with breather check valve valve block 35, row at inlet channel 33
Exhaust check valve piece 36 is equipped at channel 34 out, longitudinal both ends of pump case 2 are respectively equipped with construction opening 21, and construction opening 21 is punished
The cylinder sleeve 4 and check valve 3 that She You not connect with pump case 2, the transverse ends of pump case 2 are closed end face 22, and pump case 2 is towards motor
1 one end has the bottom construction opening 23 that can be installed with motor 1；Divide in the inlet channel 33 and exhaust passage 34 of check valve 3
It is not arranged with the unidirectional valve insert 331 of the inner wall sealing of outer peripheral surface and inlet channel 33 and exhaust passage 34, breather check valve
Valve block 35 and exhaust check valve piece 36 are respectively arranged in unidirectional valve sealing gasket 331.In above scheme, longitudinal the two of pump case 2
End is equipped with the construction opening 21 for implementing installation with cylinder sleeve 4 and check valve 3, and transverse ends are closed end 22, and such structure exists
In assembling process, first connecting rod 6 can be implemented to install by crankshaft 12 and motor shaft 11, and to the construction opening of connecting rod 6 and pump case 2
21 concentricity implements correction, then locks the clamping piece 61 on connecting rod 6, can also implement school to concentricity again after locking
It is right, after concentricity is consistent, then by pump case 2 and the implementation connection of motor 1, it is arranged can guarantee that connecting rod 6 is opened with the installation of pump case 2 in this way
Mouthfuls 21 concentricity is consistent, and is not in variation in assembling process, make the electric vacuum pump using more stable,
And structure is more simple, and assembly is more convenient, and not set mounting hole on closed end 22, and its seal point is reduced, because
This, the leakproofness of pump case 2 then can be more preferable；By be arranged in the inlet channel 33 and exhaust passage 34 of check valve 3 respectively with into
The unidirectional valve sealing gasket 331 of gas channel 33 and the sealing of 34 circumferential surface of exhaust passage, and by breather check valve valve block 35 and be vented
Check valve sheet 36 is installed in the unidirectional valve sealing gasket 331, and during the work time, breather check valve valve block 35 and exhaust are unidirectional
Valve block implements collision variation to implement to collide with unidirectional valve sealing gasket 331, due to check valve with check valve 3 by original repeatedly
Gasket 331 is rubber bodies flexible, therefore, breather check valve valve block 35 and exhaust check valve piece 36 and unidirectional valve sealing gasket
The noise generated when collision between 331 is smaller or noiseless, is arranged implements improvement from the source that noise occurs in this way,
To which the generation of noise be reduced or avoided.
In embodiments of the present invention, the exhaust passage 34 of check valve 3 at one end of 3 turned on outside of check valve be equipped with it is removable
The venting plug 7 unloaded offers the gas vent 71 for exhaust passage 34 and turned on outside, exhaust check valve piece on venting plug 7
It is equipped with noise damping space 37 between 36 and venting plug 7, compression wool noise reduction block 38 is equipped in the noise damping space 37.Noise damping space 37
Interior to be equipped with compression wool noise reduction block limited step 371, the one end and the limited step 371 for compressing wool noise reduction block 38 contradict, separately
One end and venting plug 7 contradict.The setting of noise damping space 37 and venting plug 7 can be used for putting in 3 exhaust passage 34 of check valve
Set reduce noise compression wool noise reduction block 38, for reducing or eliminate 3 upper air one-way valve plate 35 of check valve caused by
Wool is compressed into blocks, is on the one hand easily installed by noise, and controllable for the filling amount of wool, is avoided the occurrence of and is filled out
Enter it is very few occur that noise reduction effect is poor, investment excessively causes the closure of exhaust passage 34, makes vacuum pump that can not normally extract vacuum
Situation.And be not necessarily to separately set for reducing or eliminate the valve body of noise in the present invention, which is substituted by exhaust passage 34, and is dropped
The component made an uproar is directly arranged in exhaust passage 34, not only reduces production cost, and makes filling out for noise damping space 37 and wool
Entering measurer has uniformity, easy to process.
In embodiments of the present invention, offered on unidirectional valve insert 331 connecting hole 3311 and with breather check valve valve block
35 and exhaust check valve piece 36 seals when being bonded or while separating with breather check valve valve block 35 and exhaust check valve piece 36 is connected
Through-hole 3312, breather check valve valve block 35 and exhaust check valve piece 36 are equipped with towards one end of unidirectional valve insert 331 and extend to
And can be along the connecting rod 351 that 3311 axial reciprocating of connecting hole moves in connecting hole 3311, connecting rod 351 is relative to unidirectional with air inlet
Valve valve block 35, which connects, is equipped with limited block 352 at the other end of one end.During the work time, breather check valve valve block 35 and exhaust are single
It is moved back and forth to valve block 36 by connecting rod 351 thereon with unidirectional valve insert 331, as breather check valve valve block 35 and row
When gas check valve sheet 36 is bonded with unidirectional valve insert 331, through-hole 3312 is in sealing state, and breather check valve valve block 35 and
When exhaust check valve piece 36 is separated with unidirectional valve sealing gasket 331, then air-flow can be entered by through-hole 3312, limited block 352
Setting is then that breather check valve valve block 35 and exhaust check valve piece 36 and unidirectional valve sealing gasket 331 are detached from order to prevent.It needs
Illustrate, unidirectional valve insert 331 is that material flexible is process.
The inlet channel 33 of check valve 3 in the embodiment of the present invention is another relative to setting 35 one end of breather check valve valve block
One end is upstream end, the entrance input channel 332 with the perpendicular shape connection of inlet channel 33 is equipped at the upstream end, into input
Enter jointing 333 equipped with straight-tube shape at channel 332, the outer peripheral surface of jointing 333 is equipped with several for sealing ring
The mounting groove 3331 of installation.Setting structure is simple in this way, in process, without as traditional vacuum pump processing with into
The corresponding processing hole in gas channel 33 improves sealing performance to reduce seal point；Jointing 333 is straight-tube shape, not only
It is easily installed, and the leakproofness after installation is protected.
In embodiments of the present invention, the edge that the construction opening 21 of pump case 2 is located at 4 installation place of cylinder sleeve is equipped with short slot 24, cylinder
Gasket 41 is equipped between set 4 and construction opening 21.When implementing disassembly to gasket 41 and cylinder sleeve 4 if necessary, operator can be by hand
Refer in insertion short slot 24, the edge of the cylinder sleeve 4 and gasket 41 that will extend into short slot 24, which is implemented to extract, both may be used.
Claims (8)
1. a kind of vacuum pump of electric automobile includes motor, the pump case being set up on motor, pump case equipped with construction opening, peace
Dress opening is equipped with check valve and cylinder sleeve and motor linkage and can be at the piston cup moved back and forth in cylinder sleeve, piston cup
It is connected by the motor shaft of connecting rod and motor by crankshaft, one end that connecting rod is connect with crankshaft has two panels at ringent clamping
Piece is fixedly connected between two clamping pieces by fastener, and the check valve includes unidirectional valve body, is set to unidirectional valve body
Upper and the connecting cavity be connected with cylinder sleeve, the inlet channel and exhaust passage that are connected with connecting cavity are equipped at the inlet channel
Breather check valve valve block is equipped with exhaust check valve piece at exhaust passage, it is characterised in that: longitudinal both ends of the pump case are set respectively
There is construction opening, the cylinder sleeve and check valve connecting with pump case are respectively equipped at construction opening, the transverse ends of pump case are closed
End face, pump case have the bottom construction opening that can be installed with motor towards one end of motor；The inlet channel of the check valve and
The unidirectional valve insert of the inner wall sealing of outer peripheral surface and inlet channel and exhaust passage is arranged in exhaust passage respectively, it is described
Breather check valve valve block and exhaust check valve piece are respectively arranged in unidirectional valve sealing gasket.
2. vacuum pump of electric automobile according to claim 1, it is characterised in that: the exhaust passage of the check valve and unidirectional
It is equipped with dismountable venting plug at one end of valve turned on outside, offers on venting plug for exhaust passage and turned on outside
Gas vent is equipped with noise damping space, compression wool noise reduction block is equipped in the noise damping space between exhaust check valve piece and venting plug.
3. vacuum pump of electric automobile according to claim 2, it is characterised in that: be equipped with compression sheep in the noise damping space
Hair noise reduction block limited step, the one end and the limited step for compressing wool noise reduction block contradict, and the other end and venting plug contradict.
4. vacuum pump of electric automobile according to claim 1 or 2 or 3, it is characterised in that: on the unidirectional valve insert
When offering connecting hole and being bonded with breather check valve valve block or exhaust check valve piece sealing or with breather check valve valve block or row
The through-hole that is connected when gas check valve sheet separates, breather check valve valve block and exhaust check valve piece are towards one end of unidirectional valve insert
Equipped with extend in connecting hole and can along the connecting rod that connecting hole axial reciprocating moves, connecting rod relative to breather check valve valve
Piece and exhaust check valve piece, which connect, is equipped with limited block at the other end of one end.
5. vacuum pump of electric automobile according to claim 1 or 2 or 3, it is characterised in that: the inlet channel of the check valve
The other end relative to setting breather check valve valve block one end is upstream end, is equipped with and the perpendicular shape of inlet channel at the upstream end
The entrance input channel of connection, into input channel at be equipped with straight-tube shape enter jointing, on the outer peripheral surface of jointing
Equipped with several for the mounting groove of sealing ring installation.
6. vacuum pump of electric automobile according to claim 4, it is characterised in that: the inlet channel of the check valve relative to
The other end that breather check valve valve block one end is arranged is upstream end, is equipped with and the perpendicular shape connection of inlet channel at the upstream end
Into input channel, into input channel at be equipped with straight-tube shape enter jointing, if the outer peripheral surface of jointing be equipped with
The dry mounting groove for sealing ring installation.
7. vacuum pump of electric automobile according to claim 1 or 2 or 3, it is characterised in that: the construction opening position of the pump case
It is equipped with short slot in the edge of cylinder sleeve installation place, gasket is equipped between cylinder sleeve and construction opening.
8. vacuum pump of electric automobile according to claim 4, it is characterised in that: the construction opening of the pump case is located at cylinder sleeve
The edge of installation place is equipped with short slot, and gasket is equipped between cylinder sleeve and construction opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610795317.8A CN106224201B (en) | 2016-08-31 | 2016-08-31 | Vacuum pump of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610795317.8A CN106224201B (en) | 2016-08-31 | 2016-08-31 | Vacuum pump of electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106224201A CN106224201A (en) | 2016-12-14 |
| CN106224201B true CN106224201B (en) | 2019-01-08 |
Family
ID=58073891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610795317.8A Active CN106224201B (en) | 2016-08-31 | 2016-08-31 | Vacuum pump of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106224201B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268236B (en) * | 2018-12-05 | 2023-09-08 | 深圳市龙壹科技有限公司 | Miniature air pump |
| CN114517776A (en) * | 2022-01-29 | 2022-05-20 | 贵州华烽汽车零部件有限公司 | Portable mini-air compression pump for medical oxygen generator |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001280234A (en) * | 2000-03-30 | 2001-10-10 | Shibaura Mechatronics Corp | Opposed type reciprocating pump |
| US6832900B2 (en) * | 2003-01-08 | 2004-12-21 | Thomas Industries Inc. | Piston mounting and balancing system |
| CN2856476Y (en) * | 2006-02-20 | 2007-01-10 | 杨春和 | Noiseless high efficiency gas compressor |
| US8328538B2 (en) * | 2007-07-11 | 2012-12-11 | Gast Manufacturing, Inc., A Unit Of Idex Corporation | Balanced dual rocking piston pumps |
| CN201461306U (en) * | 2009-08-03 | 2010-05-12 | 李天顺 | Oil-gas recovery vacuum pump |
| CN201588774U (en) * | 2009-11-30 | 2010-09-22 | 上海汽车制动系统有限公司 | Vehicle motor-driven vacuum pump body |
| CN203515995U (en) * | 2013-04-23 | 2014-04-02 | 上海旭岛汽车零部件有限公司 | Double swing spherical surface piston type electric vacuum pump |
| CN105114283B (en) * | 2015-07-21 | 2018-05-01 | 石家庄佳信汽车制动系统有限公司 | Straight line opposed piston electric vacuum pump |
| CN105804967A (en) * | 2016-05-10 | 2016-07-27 | 浙江亚太机电股份有限公司 | Combined piston type electronic vacuum pump for automobile |
| CN206175159U (en) * | 2016-08-31 | 2017-05-17 | 温州品达机车部件有限公司 | Electric automatic vacuum pump |
-
2016
- 2016-08-31 CN CN201610795317.8A patent/CN106224201B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106224201A (en) | 2016-12-14 |
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