CN213981097U - Electric automobile vacuum pump integrated with pressure controller - Google Patents
Electric automobile vacuum pump integrated with pressure controller Download PDFInfo
- Publication number
- CN213981097U CN213981097U CN202023005845.XU CN202023005845U CN213981097U CN 213981097 U CN213981097 U CN 213981097U CN 202023005845 U CN202023005845 U CN 202023005845U CN 213981097 U CN213981097 U CN 213981097U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- pressure controller
- exhaust
- connecting piece
- vacuum pump
- 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.)
- Active
Links
Images
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model relates to an electric automobile vacuum pump integrated with a pressure controller, which comprises a motor, two mounting openings of a pump shell erected on the motor are respectively provided with a sealing cover, a cylinder sleeve and a piston leather cup linked with the motor, the piston leather cup is connected with a motor shaft of the motor through a crankshaft, an air inlet hole is arranged on the end surface of one end of the cylinder sleeve facing to the sealing cover, the air inlet is provided with an air inlet one-way valve, the piston leather cups are provided with exhaust mounting seats, the exhaust mounting seats are provided with first exhaust one-way valves, the space between the two piston leather cups of the pump shell is an exhaust cavity, the inner wall of the exhaust cavity is provided with an exhaust passage which is communicated with the outside, the exhaust passage is provided with second exhaust one-way valves, the pump shell is internally provided with an air inlet passage which is communicated with the air inlets of the cylinder sleeves at the two longitudinal ends of the pump shell respectively, the pump shell is provided with an air inlet which enables the air inlet passage to be communicated with the outside, the air inlet further comprises a pressure controller, and the pressure controller is installed on the pump shell or a sealing cover through a mounting structure, and one end of the pressure controller extends into the air inlet passage.
Description
Technical Field
The utility model relates to an electric automobile vacuum pump field, concretely relates to integrated pressure controller's electric automobile vacuum pump.
Background
At present electric automobile generally uses the vacuum pump control, gathers the pressure switch signal or the relative pressure signal of installation on the vacuum tank through vacuum pump controller, and when the vacuum degree was not enough, pressure switch jumped or gathered the relative pressure value step-down, and vacuum pump controller receives this signal control vacuum pump and begins work, and the brake helping hand is realized in the evacuation.
However, with the gradual increase of the manufacturing process of the vacuum pump and the air pumping rate of the vacuum pump, the vacuum pump automobile can still meet the requirement of vacuum pumping under the condition that the automobile continuously steps on the brake, so that the vacuum pump system of the electric automobile at present does not need a vacuum tank, and the original pressure controller is installed on the vacuum tank.
At present, the installation mode of connecting the pressure controller with the vacuum pump of the electric automobile on the market is complex, and the volume is large and difficult to install after the connection.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to solve the above-mentioned deficiencies of the prior art,
the vacuum pump of the electric automobile is high in integration level, convenient and fast to install and small in occupied space.
In order to achieve the above purpose, the utility model provides a following technical scheme: an electric automobile vacuum pump integrated with a pressure controller comprises a motor, a pump shell erected on the motor, mounting openings respectively arranged at two longitudinal ends of the pump shell, a seal cover, a cylinder sleeve and a piston cup which is linked with the motor and can be in the cylinder sleeve to reciprocate, wherein the piston cup is connected with a motor shaft of the motor through a crankshaft, an air inlet hole for external air to enter is arranged on the end surface of one end of the cylinder sleeve facing the seal cover, an air inlet one-way valve is arranged at the air inlet hole, an exhaust mounting seat with an exhaust hole is arranged on the piston cup, a first exhaust one-way valve is arranged on the exhaust mounting seat, a space between the two piston cups of the pump shell is an exhaust cavity, the exhaust hole on the exhaust mounting seat is communicated with the exhaust cavity through the piston cup, an exhaust channel communicated with the outside is arranged on the inner wall of the exhaust cavity, and a second exhaust one-way valve is arranged at the exhaust channel, be equipped with the inlet channel who switches on rather than the inlet port of vertical both ends cylinder liner in the pump case respectively, be equipped with the air inlet that makes this inlet channel and outside switch on the pump case, its characterized in that: the pressure controller is mounted on the pump shell or the sealing cover through a mounting structure, and one end of the pressure controller extends into the air inlet channel.
By adopting the technical scheme, when the motor is started, the piston leather cup is linked to be positioned in the cylinder sleeve through the crankshaft to perform displacement, at the moment, external air is extracted, air pressure impacts the air inlet one-way valve to promote air to enter between the cylinder cover and the piston leather cup from the inlet hole on the cylinder cover, when the piston leather cup moves towards the cylinder cover, the air positioned between the cylinder cover and the piston leather cup impacts the first exhaust one-way valve, at the moment, the air pressure in the pump body is larger than the external air pressure, the air enters the exhaust cavity from the exhaust hole and is exhausted from the exhaust channel through the second exhaust one-way valve, because the air extraction rate of the existing electric automobile vacuum pump meets the requirement that continuous pedal braking can still normally extract air, the vacuum tank is gradually cancelled, and the pressure controller is originally arranged on the vacuum tank, a structure is required to be designed to connect the pressure controller with the electric automobile vacuum pump, traditional mode is all connected controller on with both and car through many trachea and a plurality of wire, does not only complicacy loaded down with trivial details and the installation trouble like this, it is more to occupy the space on the vehicle after the installation, and the integrated level is lower, the utility model discloses an installation structure directly installs pressure controller on pump case or closing cap, and make pressure controller one end stretch into inlet channel, pressure controller passes through the installation structure and installs perpendicularly on pump case or closing cap and lie in inlet channel orthographic projection, not only the integrated level is high and can directly be good with meeting of pressure controller and electric automobile vacuum pump plug between the two also adaptation when dispatching from the factory, the producer only need be connected electric automobile vacuum pump and car socket after taking electric automobile vacuum pump and can use, the integrated level is high and promote assembly efficiency greatly, it is little to occupy the space on the vehicle.
The electric automobile vacuum pump integrated with the pressure controller can be further configured as follows: the mounting structure comprises a connecting piece which is sleeved at the air inlet and has elasticity, the periphery of the connecting piece is in linear sealing contact with the air inlet, and the inner periphery of the connecting piece is in linear sealing interference fit with the pressure controller.
By adopting the technical scheme, the connecting piece is the elastic sealing piece, the periphery of the connecting piece is in linear sealing contact with the air inlet, and the inner periphery of the connecting piece is in linear sealing interference fit with the pressure controller, so that the pressure in the air inlet channel can be detected more accurately after the pressure controller is installed.
The electric automobile vacuum pump integrated with the pressure controller can be further configured as follows: the connecting piece includes the connecting piece body and sets up in the first connecting portion of connecting piece body one end and the second connecting portion of the other end, the connecting piece passes through the connecting piece body and offsets with the air inlet inner wall, and first connecting portion wear to locate in the inlet channel, and the second connecting portion are located the air inlet outside, be equipped with the sealed bulge loop of the multistage that sets up in succession and external diameter are greater than the second connecting portion internal diameter on the pressure controller, the pressure controller wears to locate the connecting piece body through sealed bulge loop and forms linear interference seal.
By adopting the technical scheme, the connecting piece offsets with the inner wall of the air inlet through the connecting piece body, the outer diameters of the first connecting part and the second connecting part at two ends are larger than those of the connecting piece body to realize interference sealing, and the pressure controller forms linear interference sealing between the multi-section sealing convex ring arranged at one end and the connecting piece body to improve the sealing effect.
The electric automobile vacuum pump integrated with the pressure controller can be further configured as follows: the mounting structure comprises a mounting part arranged at the inner wall of the air inlet and a connecting part arranged at one end of the pressure controller, and the pressure controller is mounted on the inner wall of the air inlet and one end of the pressure controller extends into the air inlet channel through the matching of the connecting part and the mounting part.
The electric automobile vacuum pump integrated with the pressure controller can be further configured as follows: the installation department is the screw hole, and connecting portion are for setting up in the external screw thread of pressure controller one end and screw hole internal thread adaptation, threaded connection between pressure controller and the air inlet.
By adopting the technical scheme, the pressure controller is arranged on the inner wall of the air inlet hole through the thread matching between the connecting part and the mounting part, and one end of the pressure controller extends into the air inlet channel to detect the air flow pressure entering the air inlet channel.
The electric automobile vacuum pump integrated with the pressure controller can be further configured as follows: the pump shell is reserved with a mounting blind hole which is vertical to the threaded hole along the radial direction of the air inlet channel.
By adopting the technical scheme, the reserved controller mounting blind hole can be adapted to more mounting environments which cannot mount the pressure controller through the threaded hole, and the universality is improved.
The utility model has the advantages that: the vacuum pump of the electric automobile and the pressure controller are integrated, the installation is convenient, the volume is smaller, and the occupied mounting space in the automobile is less.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic front view of an embodiment of the present invention.
Fig. 3 is a schematic sectional view of a-a portion of fig. 2.
Fig. 4 is a schematic cross-sectional view of the portion B-B in fig. 2.
Fig. 5 is a schematic perspective view of a first embodiment of a mounting structure according to an embodiment of the present invention.
Fig. 6 is a schematic perspective view of a second embodiment of a mounting structure according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1-6: an electric automobile vacuum pump integrated with a pressure controller comprises a motor 1, a pump shell 2 erected on the motor 1, mounting openings are respectively arranged at two longitudinal ends of the pump shell 2, a seal cover 3, a cylinder sleeve 4 and a piston cup 5 which is linked with the motor 1 and can be in reciprocating motion in the cylinder sleeve 4 are respectively arranged at the two mounting openings, the piston cup 5 is connected with a motor shaft 11 of the motor 1 through a crankshaft 6, an air inlet 41 for external air to enter is arranged on the end surface of one end of the cylinder sleeve 4 facing to the seal cover 3, an air inlet check valve 7 is arranged at the air inlet, an exhaust mounting seat 8 with an exhaust hole is arranged on the piston cup 5, a first exhaust check valve 9 is arranged on the exhaust mounting seat 8, a space between the two piston cups 5 of the pump shell 2 is an exhaust cavity 22, an exhaust hole 51 on the exhaust mounting seat 8 is communicated with the exhaust cavity 22 through the piston cup 5, an exhaust channel 23 communicated with the outside is arranged on the inner wall of the exhaust cavity 22, the exhaust channel 23 is provided with a second exhaust one-way valve 9, the pump shell 2 is internally provided with an air inlet channel 24 which is respectively communicated with the air inlet holes 41 of the cylinder sleeves 4 at the two longitudinal ends of the pump shell, the pump shell 2 is provided with an air inlet 241 which facilitates the communication between the air inlet channel 24 and the outside, the air-conditioning device also comprises a pressure controller 10, the pressure controller 10 is arranged on the pump shell 2 or the seal cover 3 through a mounting structure, one end of the pressure controller 10 extends into the air inlet channel 24,
as a first embodiment of the mounting structure:
the mounting structure comprises a connecting piece 101 which is sleeved at the air inlet 241 and has elasticity, the periphery of the connecting piece 101 is in linear sealing contact with the air inlet 241, the inner periphery of the connecting piece 101 is in linear sealing interference fit with the pressure controller 10, the connecting piece 101 comprises a connecting piece body 1011, a first connecting part 1012 arranged at one end of the connecting piece body 1011 and a second connecting part 1013 at the other end, the connecting piece 101 abuts against the inner wall of the air inlet 241 through the connecting piece body 1011, the first connecting part 1012 is arranged in the air inlet channel 241 in a penetrating way, the second connecting part 1013 is arranged outside the air inlet 241, the pressure controller 10 is provided with a plurality of sections of sealing convex rings 1001 which are continuously arranged and have outer diameters larger than the inner diameter of the second connecting part 1013, and the pressure controller 10 forms linear interference seal by the sealing convex rings 1001 arranged in the connecting piece body;
as a second embodiment of the mounting structure:
the mounting structure includes installation department 2411 that air inlet 241 inner wall department set up and sets up in the connecting portion of pressure controller 10 one end, pressure controller 10 installs at air inlet 241 inner wall and one end through the cooperation of connecting portion and installation department 2411 and stretches into inlet channel 24, installation department 2411 is the screw hole, connecting portion 101 is for setting up in the external screw thread of pressure controller 10 one end and screw hole internal thread adaptation, threaded connection between pressure controller 10 and the air inlet 241, pump case 2 is radially reserved along inlet channel 24 has the installation blind hole 201 with the perpendicular setting of screw hole.
Claims (6)
1. An electric automobile vacuum pump integrated with a pressure controller comprises a motor, a pump shell erected on the motor, mounting openings respectively arranged at two longitudinal ends of the pump shell, a seal cover, a cylinder sleeve and a piston cup which is linked with the motor and can be in the cylinder sleeve to reciprocate, wherein the piston cup is connected with a motor shaft of the motor through a crankshaft, an air inlet hole for external air to enter is arranged on the end surface of one end of the cylinder sleeve facing the seal cover, an air inlet one-way valve is arranged at the air inlet hole, an exhaust mounting seat with an exhaust hole is arranged on the piston cup, a first exhaust one-way valve is arranged on the exhaust mounting seat, a space between the two piston cups of the pump shell is an exhaust cavity, the exhaust hole on the exhaust mounting seat is communicated with the exhaust cavity through the piston cup, an exhaust channel communicated with the outside is arranged on the inner wall of the exhaust cavity, and a second exhaust one-way valve is arranged at the exhaust channel, be equipped with the inlet channel who switches on rather than the inlet port of vertical both ends cylinder liner in the pump case respectively, be equipped with the air inlet that makes this inlet channel and outside switch on the pump case, its characterized in that: the pressure controller is mounted on the pump shell or the sealing cover through a mounting structure, and one end of the pressure controller extends into the air inlet channel.
2. The pressure controller integrated electric vehicle vacuum pump of claim 1, wherein: the mounting structure comprises a connecting piece which is sleeved at the air inlet and has elasticity, the periphery of the connecting piece is in linear sealing contact with the air inlet, and the inner periphery of the connecting piece is in linear sealing interference fit with the pressure controller.
3. The pressure controller integrated electric vehicle vacuum pump of claim 2, wherein: the connecting piece includes the connecting piece body and sets up in the first connecting portion of connecting piece body one end and the second connecting portion of the other end, the connecting piece passes through the connecting piece body and offsets with the air inlet inner wall, and first connecting portion wear to locate in the inlet channel, and the second connecting portion are located the air inlet outside, be equipped with the sealed bulge loop of the multistage that sets up in succession and external diameter are greater than the second connecting portion internal diameter on the pressure controller, the pressure controller wears to locate the connecting piece body through sealed bulge loop and forms linear interference seal.
4. The pressure controller integrated electric vehicle vacuum pump of claim 1, wherein: the mounting structure comprises a mounting part arranged at the inner wall of the air inlet and a connecting part arranged at one end of the pressure controller, and the pressure controller is mounted on the inner wall of the air inlet and one end of the pressure controller extends into the air inlet channel through the matching of the connecting part and the mounting part.
5. The pressure controller integrated electric vehicle vacuum pump of claim 4, wherein: the installation department is the screw hole, and connecting portion are for setting up in the external screw thread of pressure controller one end and screw hole internal thread adaptation, threaded connection between pressure controller and the air inlet.
6. The pressure controller integrated electric vehicle vacuum pump of claim 5, wherein: and a mounting blind hole perpendicular to the threaded hole is reserved in the pump shell along the radial direction of the air inlet channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023005845.XU CN213981097U (en) | 2020-12-14 | 2020-12-14 | Electric automobile vacuum pump integrated with pressure controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023005845.XU CN213981097U (en) | 2020-12-14 | 2020-12-14 | Electric automobile vacuum pump integrated with pressure controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213981097U true CN213981097U (en) | 2021-08-17 |
Family
ID=77243448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023005845.XU Active CN213981097U (en) | 2020-12-14 | 2020-12-14 | Electric automobile vacuum pump integrated with pressure controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213981097U (en) |
-
2020
- 2020-12-14 CN CN202023005845.XU patent/CN213981097U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101910626B (en) | Hydraulic fluid pump having a membrane-like element as sealing element | |
| CN213981097U (en) | Electric automobile vacuum pump integrated with pressure controller | |
| CN205207804U (en) | A unilateral control valve for plunger pump | |
| CN116696728A (en) | Bidirectional non-return diaphragm pump with expansion pressure relief structure and operation method thereof | |
| CN213039408U (en) | Plunger pump structure of automobile braking system | |
| CN212667345U (en) | Anti-suck-back electronic vacuum pump mechanism | |
| CN210978471U (en) | Exhaust mechanism of gearbox | |
| CN207246283U (en) | A kind of clutch boost pump | |
| CN107504097B (en) | Clutch boost pump | |
| CN211642492U (en) | Hydraulic braking anti-lock system of all-terrain vehicle | |
| CN202500919U (en) | Clutch brake master cylinder | |
| CN218093712U (en) | Built-in oil cylinder of gas detection valve | |
| CN205036533U (en) | A cylinder for pump | |
| CN214424676U (en) | Stably-connected micro pump valve integrated structure | |
| JP4052077B2 (en) | Piston pump | |
| CN216617895U (en) | Intelligent multi-effect condensing unit | |
| CN219809409U (en) | Sealing assembly for tire inflation and deflation system | |
| CN216969620U (en) | One-way valve mechanism of vacuum pump | |
| CN215398627U (en) | Modular breather valve for spring brake chamber | |
| CN2234001Y (en) | Three-cylinder plunger pump type liquid sprayer | |
| CN213541126U (en) | Optimized clutch power assisting device | |
| CN217002232U (en) | Unloading device of air compressor | |
| CN214450887U (en) | Air brake valve | |
| CN215522407U (en) | Stainless steel water separator | |
| CN218151641U (en) | Novel high-sealing-performance automobile water pump housing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |