CN216665912U

CN216665912U - Electric vehicle-mounted air compressor

Info

Publication number: CN216665912U
Application number: CN202123031029.0U
Authority: CN
Inventors: 孙岩; 贾玉龙; 蒋东方
Original assignee: Yantai Rileng Electromechanical Technology Co ltd
Current assignee: Yantai Rileng Electromechanical Technology Co ltd
Priority date: 2021-12-04
Filing date: 2021-12-04
Publication date: 2022-06-03
Anticipated expiration: 2031-12-04

Abstract

The invention discloses an electric vehicle-mounted air compressor, which belongs to the field of automobile scroll compressors and comprises a shell, wherein one end of the shell is open, a horizontally-arranged static vortex disc is arranged in the shell, a static vortex sheet is fixedly arranged on one surface of the static vortex disc, which is close to the opening of the shell, and is wound in a vortex shape, an exhaust hole is formed in the position, which is close to the center of the static vortex sheet, of the static vortex disc, the static vortex disc is rotatably connected with a movable vortex disc which is arranged in parallel, a movable vortex sheet is fixedly arranged on one surface, which is close to the static vortex disc, of the movable vortex disc, and slides in a circulating manner along the vortex direction of the static vortex sheet, and an oil guide groove is formed in the inner side of the static vortex sheet of the static vortex disc. This application has reducing wear, improves scroll compressor's life's effect.

Description

Electric vehicle-mounted air compressor

Technical Field

The invention relates to the field of automobile scroll compressors, in particular to an electric vehicle-mounted air compressor.

Background

The electric vehicle-mounted air compressor is a device for converting mechanical energy of a motor into gas pressure energy, and the mechanical energy of the vehicle-mounted motor drives an air compressor shaft to rotate so as to compress gas entering the air compressor for a user to use.

In the prior art, reference may be made to the chinese utility model patent with the publication number CN205895595U, which discloses an electric scroll compressor, comprising a casing provided with a motor unit, one end of a rotor shaft is fixed in the casing at an air inlet end, the other end is installed in an opening end of the casing through a bearing seat, and the casing is connected with a static disc seat at the opening end; a fixed vortex disc is fixedly arranged in the fixed disc seat, the fixed vortex disc is meshed and connected with a movable vortex part of the movable vortex disc through the fixed vortex part of the fixed vortex disc, and the movable vortex disc is arranged on an eccentric shaft part at one end of the rotor shaft through a small bearing; the bottom surface of the movable scroll is abutted against the working surface of the bearing seat, a pin is arranged between the bearing seat and the movable scroll, a wear-resistant ring is arranged between the bottom surface of the movable scroll and the working surface of the bearing seat, and the outer wall of the movable scroll is provided with a side oil return hole communicated with the air inlet of the movable scroll; the stator of the motor component is pressed in the shell through the air guide sleeve, and the air guide sleeve is provided with the sound absorption unit.

In view of the above-mentioned related art, the inventors believe that the rotation of the orbiting scroll and the fixed scroll when using the above scroll compressor causes wear of the scrolls, reducing the service life of the scroll compressor.

SUMMERY OF THE UTILITY MODEL

In order to reduce abrasion and prolong the service life of the scroll compressor, the application provides an electric vehicle-mounted air compressor.

The application provides a pair of on-vehicle electric air compressor machine adopts following technical scheme:

the electric vehicle-mounted air compressor comprises a shell, wherein one end of the shell is open, a static vortex disc is arranged in the shell, a static vortex sheet is fixedly arranged on one surface, close to the shell opening, of the static vortex disc, an exhaust hole is formed in the position, close to the center of the static vortex sheet, of the static vortex disc, the static vortex disc is rotatably connected with a movable vortex disc which is arranged in parallel, a movable vortex sheet is fixedly arranged on one surface, close to the static vortex disc, of the movable vortex disc, the movable vortex sheet slides along the vortex direction of the static vortex sheet in a circulating mode, and an oil guide groove is formed in the inner side of the static vortex disc.

Through adopting above-mentioned technical scheme, during the use, move the vortex dish rotation and drive and move the vortex piece and slide at the vortex direction circulation of quiet vortex piece, when moving the vortex piece and compress the air with quiet vortex piece contact, the air is compressed from the extroversion inwards along quiet vortex piece, drives the lubricating oil that leads in the oil groove and flows along leading the oil groove, is extruded to move and has lubricated between vortex piece and the quiet vortex piece and has reduced the wearing and tearing that move vortex piece and quiet vortex piece, has improved scroll compressor's life.

Optionally, the outer end of the static vortex sheet close to one side of the oil guide groove is provided with an oil storage groove, and the depth of the oil storage groove is smaller than the thickness of the static vortex sheet.

Through adopting above-mentioned technical scheme, during the use, store the lubricating oil in the vortex dish in the oil storage tank, along with the activity of moving the vortex piece drives lubricating oil and is extruded by the air, from outside-in lubricated whole quiet vortex piece.

Optionally, an oil guide channel is formed in the fixed scroll, and the oil guide channel is communicated with one end, close to the exhaust hole, of the oil guide groove and the oil storage groove.

Through adopting above-mentioned technical scheme, during the use, lubricating oil leads the oil channel through leading that the oil groove flows in, leads the oil channel and makes lubricating oil get into the oil storage tank again, has played reuse lubricating oil and has avoided lubricating oil to get into the effect in exhaust hole.

Optionally, an annular groove is fixedly formed in the outer side wall of the fixed scroll plate along the circumferential direction, and an elastic sealing ring is placed in the annular groove.

By adopting the technical scheme, the elastic sealing ring is used for sealing the gap between the outer side wall of the fixed scroll and the inner side wall of the casing, so that the air is prevented from being directly discharged through the gap between the outer side wall of the fixed scroll and the inner side wall of the casing without being compressed by the air compressor, and the using effect of the air compressor is prevented from being influenced.

Optionally, a cover is fixedly arranged at the opening end of the casing, a cover hole is formed in the center of the cover, the movable scroll is far away from the center of one surface of the fixed scroll, a disc shaft in the vertical direction is fixedly arranged at the center of the one surface of the movable scroll, an eccentric block is fixedly arranged at one end, close to the cover hole, of the disc shaft, and the eccentric block rotates along the side wall of the cover hole in an eccentric mode.

By adopting the technical scheme, the motor output shaft drives the disc shaft to rotate when the vortex disc is used, the disc shaft drives the movable vortex disc to rotate, and the eccentric block stabilizes the motion track of the movable vortex disc through eccentric rotation along the side wall of the cover hole.

Optionally, a supporting block is fixedly arranged on one surface of the fixed scroll disc, which is far away from the fixed scroll piece, a supporting hole is formed in the surface of the supporting block, a bottom hole is formed in the same position of the fixed hole at the bottom end of the casing, and the supporting block and the casing are connected with the bottom hole through a bolt through the supporting hole.

Through adopting above-mentioned technical scheme, it is fixed with quiet spiral disk bottom and casing bottom through the bolt during use, has reduced and has moved the spiral disk rotation area and has taken place to remove between sound spiral disk and the casing.

Optionally, sound-absorbing cotton is paved between the supporting block and the bottom end of the casing.

Through adopting above-mentioned technical scheme, move the flight and carry out the extrusion with the air with quiet flight contact and can produce the noise during use, inhale the noise that the cotton can the active absorption air compressor machine during operation produced of sound.

Optionally, a fixing frame is fixedly arranged on the outer side wall of the casing, and fixing holes are formed in the fixing frame.

Through adopting above-mentioned technical scheme, fix the air compressor machine on the frame through the fixed orifices on the mount during use, improved the stability of air compressor machine.

To sum up, the application comprises the following beneficial technical effects:

1. when the movable scroll compressor is used, the movable scroll plate rotates to drive the movable scroll piece to circularly slide in the scroll direction of the fixed scroll piece, when the movable scroll piece is in contact with the fixed scroll piece to compress air, the air is compressed from outside to inside along the fixed scroll piece, lubricating oil in the oil guide groove is driven to flow along the oil guide groove and is extruded between the movable scroll piece and the fixed scroll piece to lubricate, so that the abrasion of the movable scroll piece and the fixed scroll piece is reduced, and the service life of the scroll compressor is prolonged;

2. when the lubricating oil storage tank is used, lubricating oil flows into the oil guide channel through the oil guide groove, and the oil guide channel enables the lubricating oil to reenter the oil storage tank, so that the effects of recycling the lubricating oil and preventing the lubricating oil from entering the exhaust hole are achieved;

3. when the device is used, the motor output shaft drives the disc shaft to rotate, the disc shaft drives the movable scroll to rotate, and the eccentric block stabilizes the motion track of the movable scroll through eccentric rotation along the side wall of the cover hole.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

FIG. 2 is a partial cross-sectional view of a highlighted fixed scroll and shell of an embodiment of the present application.

Fig. 3 is a partial sectional view of a protruding fixed scroll according to an embodiment of the present application.

Description of reference numerals:

1. a housing; 11. an exhaust port; 12. a bottom hole; 13. a fixed mount; 131. a fixing hole; 2. a machine cover; 21. covering the hole; 22. an air inlet; 3. a movable scroll; 31. a movable scroll plate; 32. a disc shaft; 321. an eccentric block; 4. a fixed scroll; 41. a static vortex sheet; 411. an oil storage tank; 42. an oil guide groove; 43. an exhaust hole; 44. an oil guide channel; 45. an annular groove; 46. a support block; 461. a support hole; 5. sound-absorbing cotton; 6. an elastic sealing ring; 7. an electric motor.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses electric vehicle-mounted air compressor.

Referring to fig. 1 and 2, an electric vehicle-mounted air compressor comprises a casing 1, one end of the casing 1 is open, a static scroll 4 is placed in the casing 1, a static scroll piece 41 is fixedly arranged on one surface, close to the opening, of the static scroll 4, the static scroll piece 41 is arranged in a vortex shape, an exhaust hole 43 is formed in the center of the static scroll 4, an active scroll 3 is arranged at the upper end of the static scroll 4, an active scroll piece 31 is fixedly arranged on one surface, close to the static scroll 4, of the active scroll 3, the active scroll piece 31 is vertically arranged, and the active scroll piece 31 circularly slides along the vortex direction of the static scroll piece 41. When in use, the movable scroll plate 31 rotates to drive the east scroll plate to circularly slide along the scroll direction of the fixed scroll plate 41, so that gas between the movable scroll plate 3 and the fixed scroll plate 4 is compressed, and the compressed gas flows out through the exhaust hole 43.

Referring to fig. 1 and 2, a cover 2 is provided at an open end of a cabinet 1, and the cabinet 1 is bolted to the cover 2. The upper end edge of the cover 2 is provided with air inlets 22 which are symmetrically distributed, and one end of the side wall of the casing 1 far away from the opening is provided with a circular air outlet 11. When in use, air enters the air compressor from the air inlet 22, and the compressed air is exhausted out of the air compressor from the exhaust hole 43 through the exhaust port 11.

Referring to fig. 2 and 3, a plurality of oil guide grooves 42 having the same shape as that of the movable scroll piece 31 are formed in one surface, close to the opening, of the fixed scroll 4, the oil guide grooves 42 are located on the inner side of the fixed scroll piece 41, an oil storage groove 411 is formed in the outer end, close to the oil guide groove 42, of the fixed scroll 4, the depth of the oil storage groove 411 is smaller than the thickness of the fixed scroll piece 41, an oil guide channel 44 is formed in the fixed scroll 4, and the oil guide channel 44 is communicated with one end, close to the exhaust hole 43, of the oil guide groove 42 and the oil storage groove 411. When the movable scroll piece 31 circularly slides along the vortex direction of the fixed scroll piece 41 to extrude gas, the gas blows lubricating oil in the oil storage groove 411 to the working surfaces of the fixed scroll piece 41 and the movable scroll piece 31 through the oil storage groove 411, the lubricating oil lubricates the working surfaces of the fixed scroll piece 41 and the movable scroll piece 31, the lubricating oil flows into the oil guide channel 44 when entering the oil guide groove 42 in front of the exhaust hole 43, the lubricating oil returns to the oil storage groove 411 through the oil guide channel 44 again, the lubricating oil is recycled, and the possibility that the lubricating oil is discharged through the exhaust hole 43 is reduced.

Referring to fig. 2, an annular groove 45 is fixedly formed on the outer side wall of the fixed scroll 4 along the circumferential direction, and an elastic sealing ring 6 is placed in the annular groove 45. One surface of the fixed scroll 4, which is far away from the fixed scroll plate 41, is provided with 4 supporting blocks 46, the supporting blocks 46 are uniformly distributed along the circumferential direction of the edge of the fixed scroll 4, and supporting holes 461 with the same position and size are formed in the surface of the supporting blocks 46. A bottom hole 12 having the same position as the fixing hole 131 is formed in a surface of the casing 1 away from the opening, and the fixed scroll 4 and the casing 1 are bolted to the bottom hole 12 through a support hole 461. The cover has the sound absorption cotton 5 between supporting shoe 46 and the casing 1 firmly, and 1 lateral wall of casing is opened and is set firmly two relative mounts 13, and mount 13 sets up along the axis position of perpendicular to casing 1, has all seted up two fixed orificess 131 on the mount 13. During installation, the sound absorption cotton 5 is horizontally placed in the machine shell 1 far away from one surface of the opening, the fixed scroll 4 is horizontally placed in the machine shell 1 towards the sound absorption cotton 5 through the supporting block 46, the machine shell 1 is connected with the supporting block 46 and the bolt through the bolt, and then the machine shell 1 is connected with the frame through the fixing hole 131 through the bolt.

Referring to fig. 2, cover 2 center is seted up and is circular shape lid hole 21, move vortex dish 3 and keep away from 4 one side of static vortex dish and set firmly the dish axle 32 of vertical direction, dish axle 32 fixed connection moves 3 central one sides of vortex dish, and dish axle 32 is close to lid hole 21 one end and has set firmly eccentric block 321, and eccentric block 321 rotates along lid hole 21 lateral wall off-centre, and the output shaft that moves 3 one end fixedly connected with motors of vortex dish axle 32, dish axle 32 and motor output shaft one side fixed connection. When the device is used, the motor output shaft drives the disc shaft 32 to rotate, the disc shaft 32 drives the movable scroll 3 to eccentrically rotate, and the eccentric block 321 can enable the disc shaft 32 to rotate more stably along a preset track.

The implementation principle of this application embodiment electric vehicle-mounted air compressor is: when the vortex disc is used, the motor 7 drives the disc shaft 32 to rotate, the disc shaft 32 rotates to drive the eccentric block 321 and the movable vortex disc 3 to rotate, and the eccentric block 321 stabilizes the rotating track of the movable vortex disc 3. The movable scroll plate 31 is driven by the rotation of the movable scroll plate 3 to circularly slide along the scroll direction of the fixed scroll plate 41, the gas entering the air compressor from the gas inlet 22 is extruded, the gas blows the lubricating oil in the oil storage tank 411 to the working surfaces of the fixed scroll plate 41 and the movable scroll plate 31 through the oil storage tank 411, the lubricating oil lubricates the working surfaces of the fixed scroll plate 41 and the movable scroll plate 31, the lubricating oil flows into the oil guide channel 44 when entering the oil guide groove 42 in front of the exhaust hole 43, the lubricating oil returns to the oil storage tank 411 through the oil guide channel 44, and the compressed gas is discharged out of the air compressor through the exhaust hole 43 and the gas outlet.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an on-vehicle air compressor of electronic which characterized in that: the vortex plate comprises a housing (1), one end opening of the housing (1), a static vortex plate (4) is arranged in the housing (1), a static vortex sheet (41) is fixedly arranged on one surface, close to the opening of the housing (1), of the static vortex plate (4), the static vortex sheet (41) is in a vortex shape and is wound, an exhaust hole (43) is formed in the center position of the static vortex sheet (41) close to the static vortex plate (4), the static vortex plate (4) is connected with a movable vortex plate (3) in a rotating mode, the movable vortex plate (3) is parallel to the movable vortex plate, a movable vortex sheet (31) is fixedly arranged on one surface of the static vortex plate (4), the movable vortex sheet (31) slides in a circulating mode along the vortex direction of the static vortex sheet (41), and an oil guide groove (42) is formed in the static vortex plate (4) along the inner side of the static vortex sheet (41).

2. The electric vehicle-mounted air compressor as claimed in claim 1, wherein: quiet vortex piece (41) are close to lead oil groove (42) one side outer end and seted up oil storage tank (411), the degree of depth of oil storage tank (411) is less than the thickness of quiet vortex piece (41).

3. The electric vehicle-mounted air compressor as claimed in claim 2, wherein: an oil guide channel (44) is formed in the fixed scroll (4), and the oil guide channel (44) is communicated with one end, close to the exhaust hole (43), of the oil guide groove (42) and the oil storage groove (411).

4. The electric vehicle-mounted air compressor as claimed in claim 1, wherein: an annular groove (45) is fixedly arranged on the outer side wall of the fixed scroll (4) along the circumferential direction, and an elastic sealing ring (6) is placed in the annular groove (45).

5. The electric vehicle-mounted air compressor as claimed in claim 1, wherein: casing (1) open end has set firmly cover (2), cover hole (21) have been seted up at cover (2) center, it keeps away from to move vortex dish (3) quiet vortex dish (4) one side center has set firmly dish axle (32) of vertical direction, dish axle (32) are close to cover hole (21) one end has set firmly eccentric block (321), eccentric block (321) are followed cover hole (21) lateral wall eccentric rotation.

6. The electric vehicle-mounted air compressor as claimed in claim 1, wherein: a supporting block (46) is fixedly arranged on one surface, far away from the fixed scroll piece (41), of the fixed scroll (4), a supporting hole (461) is formed in the surface of the supporting block (46), a bottom hole (12) is formed in the same position of the fixing hole (131) at the bottom end of the machine shell (1), and the supporting block (46) and the machine shell (1) are connected with the bottom hole (12) through the supporting hole (461) in a bolt mode.

7. The electric vehicle-mounted air compressor as claimed in claim 6, wherein: and sound-absorbing cotton (5) is laid between the supporting block (46) and the bottom end of the machine shell (1).

8. The electric vehicle-mounted air compressor as claimed in claim 1, wherein: the outer side wall of the machine shell (1) is fixedly provided with a fixing frame (13), and the fixing frame (13) is provided with a fixing hole (131).