CN108880085B - Permanent magnet synchronous motor mounting structure of electric vehicle hub - Google Patents
Permanent magnet synchronous motor mounting structure of electric vehicle hub Download PDFInfo
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- CN108880085B CN108880085B CN201810869106.3A CN201810869106A CN108880085B CN 108880085 B CN108880085 B CN 108880085B CN 201810869106 A CN201810869106 A CN 201810869106A CN 108880085 B CN108880085 B CN 108880085B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The invention provides a permanent magnet synchronous motor mounting structure of an electric vehicle hub, which comprises a hub, a mounting assembly, a main shaft, an electric wire, a connecting assembly and a hub motor, wherein the mounting assembly is arranged at the left end and the right end of the hub, the hub motor is arranged in the hub through the mounting assembly, the main shaft is arranged in the hub motor, the left end of the electric wire is connected with the hub motor, the connecting assembly is connected at the right end of the main shaft, the mounting assembly comprises a right end cover, a first mounting port, a first bearing, a rotor shell, clamping strips, clamping grooves, a left end cover, a second mounting port, a pressing mechanism, a second bearing and a supporting ring, and the connecting assembly comprises a connecting sleeve, a connecting shaft, a concave table, a small rack, an opening, a small gear, a small shaft, a blocking piece, a second spring, an octagonal cylinder and an octagonal circular groove, and compared with the prior art, the permanent magnet synchronous motor mounting structure has the following advantages: the wheel hub motor is convenient to connect with the wheel hub, the operation is simple, the connection between the device and the vehicle body is convenient, and the installation and the disassembly are convenient.
Description
Technical Field
The invention relates to a permanent magnet synchronous motor mounting structure of an electric vehicle hub, and belongs to the technical field of automobile accessories.
Background
In the prior art, when a hub motor and a hub are installed, two end covers are required to be connected and supported, installation and disassembly are inconvenient, and the hub motor is connected with a vehicle body through a main shaft, when the hub motor needs to be replaced, the whole main shaft needs to be removed from the vehicle body, so that the working difficulty is increased, and the installation structure of the permanent magnet synchronous motor of the hub of the electric vehicle is required to solve the problems.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a permanent magnet synchronous motor mounting structure of an electric vehicle hub, so as to solve the problems in the prior art.
In order to achieve the above object, the present invention is realized by the following technical scheme: the utility model provides a permanent magnet synchronous motor mounting structure of electric motor car wheel hub, includes wheel hub, installation component, main shaft, electric wire, coupling assembling and wheel hub motor, installation component sets up in wheel hub left end and right-hand member, wheel hub motor passes through installation component and installs inside the wheel hub, the main shaft sets up inside wheel hub motor, the electric wire left end is connected with wheel hub motor, coupling assembling connects at the main shaft right-hand member, installation component includes right-hand member lid, installation mouth one, bearing one, rotor housing, draw-in strip, draw-in groove, left end lid, installation mouth two, hold-down mechanism, bearing two and holding ring, coupling assembling includes adapter sleeve, connecting axle, concave station, small-size rack, opening, pinion, small-size axle, separation blade, spring two, octagon cylinder and octagon circular slot.
Further, in the installation component, the draw-in groove is seted up at the inside annular side of wheel hub, wheel hub motor fixes inside the rotor housing, rotor housing annular side is fixed with the card strip, the card strip is installed inside the draw-in groove, left end cover is fixed in the inside left end edge position of wheel hub, install the mouth second and set up in left end cover left surface intermediate position, the main shaft left end extends to install mouth second inside, install in the inside left portion position of main shaft annular side face two upper ends of mouth, the support ring is installed at the inside lower extreme of installing mouth second, the right-hand member lid passes through bolted connection at wheel hub right flank, install mouth first and set up at right-hand member lid right-hand member face intermediate position, bearing first is fixed inside the installing mouth, the main shaft right-hand member passes the bearing to extend to right-hand member lid right side.
Further, more than two connecting holes are formed in the right end face of the right end cover, more than two threaded holes corresponding to the connecting holes are formed in the right end face of the hub, the connecting holes are connected with the first threaded holes through bolts, more than two clamping grooves are formed in the clamping grooves, the clamping grooves are equidistantly formed in the annular side face of the inside of the hub, more than two clamping strips are formed in the annular side face of the rotor shell, the clamping strips are respectively arranged in the clamping grooves, in the actual use process, the hub rotor moves leftwards and stretches into the hub through the right end of the hub, the hub rotor drives the rotor shell to move, the rotor shell drives the clamping strips to move into the clamping grooves, meanwhile, the hub motor drives the spindle to move leftwards, the spindle drives the right end cover to move leftwards, and when the right end cover moves to be tightly attached to the right side face of the hub, the left end of the bolts penetrate through the connecting holes and are screwed into the first threaded holes, and connection between the right end cover and the hub is achieved.
Further, hold-down mechanism includes threaded rod, screw hole two, spring one and clamping ring, threaded hole two sets up in two inside upside of installing port, the threaded rod is installed in two interiors of threaded hole, spring one sets up in threaded rod annular side, spring one upper end is connected with one inside upside of installing port, spring one lower extreme is connected with the clamping ring upside, the clamping ring is installed in two inside upper ends of installing port, clamping ring left surface is fixed with T type slider, T type spout has been seted up to two inside left surfaces of installing port, T type slider is installed in T type spout inside, the circular slot has been seted up to the clamping ring upper surface, the threaded rod lower extreme sets up in the circular slot inside, and when the fixed of right-hand member lid is accomplished to in-service use, the main shaft left end is located two interiors of installing port, rotates the threaded rod, makes and rotates and moves down in threaded hole two interiors, and produces thrust to the threaded rod rotation, makes the clamping ring move and drives T type slider and move down in T type spout inside, produces compressive force to spring one simultaneously, makes one shrink to move to the clamping ring when two annular sides stop the clamping ring, can be convenient for rotate the clamping ring to rotate to the annular side.
Further, in the coupling assembling, the adapter sleeve is fixed in main shaft annular side right-hand member, the connecting axle left end sets up inside the adapter sleeve, the connecting axle right-hand member is connected with the car body, the concave station is seted up in main shaft annular side upper end, small-size rack is fixed in concave station inside downside, the opening is seted up in adapter sleeve annular side upper end right part marginal position, small-size axle is installed inside the opening, and small-size axle rear end passes the inside trailing flank of opening to extend to the breach is inside, the breach is seted up in adapter sleeve annular side rear position, small-size gear installs at small-size axle annular side, and small-size gear meshes with small-size rack through the teeth of a cogwheel, the opening inside processing in the small-size axle outside has the octagon circular slot, small-size axle annular side cover is equipped with the octagon cylinder, the octagon cylinder is installed in octagon circular slot inside, the spacer is fixed at small-size axle rear end, spring two sets up at small-size axle annular side, spring two rear ends are connected with the spacer front end, two front ends are connected with the octagon cylinder rear end.
Further, the spacing groove has all been seted up to small-size axle annular side upper end and lower extreme rear portion position, the through-hole has been seted up to octagon cylinder rear end face, small-size axle passes the through-hole, inside upside and the downside of through-hole all are fixed with the stopper, the inside spacing groove is installed to the stopper, octagon cylinder lateral surface rear portion crest line position is fixed with the lug, in the in-service use process, holds the lug and pulls octagon cylinder backward, makes octagon cylinder along small-size axle backward movement to drive the stopper and move backward along the spacing groove, when octagon cylinder and octagon circular slot separation, push the wheel hub to the right side, make the wheel hub drive the adapter sleeve to move right through the main shaft, make the connecting axle left end stretch into inside the adapter sleeve, thereby small-size rack meshes with the gear, continue to push the wheel hub to the right side, make the adapter sleeve drive small-size gear to move right, thereby small-size gear meshes with small-size rack, drive small-size gear rotates and drives octagon cylinder and fender piece and rotates, when the connecting axle left end moves to the right end and pastes with the main shaft right-side face, make octagon cylinder move backward, and stop the octagon cylinder moves, and the octagon cylinder is driven to the circular cylinder to move forward, the cylinder is realized to the cylinder that the rotation is not to the circular cylinder is moved to the circular cylinder to the inside when the octagon cylinder is opened, the cylinder is opened to the cylinder is opened to the cylinder to move forward, and is deformed to the cylinder.
Further, the constant head tank has all been seted up to adapter sleeve inside annular side front end and rear end, adapter sleeve annular side front end and rear end all are fixed with the location sand grip, the location sand grip is installed inside the constant head tank, in the use, carries out the connection of connecting axle and adapter sleeve through the counterpoint of constant head tank and location sand grip, has improved the meshing accuracy of pinion and small-size rack, and avoids connecting axle and adapter sleeve to take place relative rotation in the operation, improves stability.
The invention has the beneficial effects that: according to the permanent magnet synchronous motor mounting structure of the electric vehicle hub, the right end cover, the first mounting opening, the first bearing, the rotor shell, the clamping strips, the clamping grooves, the left end cover, the second mounting opening, the pressing mechanism, the second bearing and the supporting ring are added, so that the hub motor and the hub can be conveniently connected, and the operation is simple.
The connecting sleeve, the connecting shaft, the concave table, the small rack, the opening, the small gear, the small shaft, the baffle plate, the second spring, the octagonal cylinder and the octagonal round groove are added, so that the device is convenient to connect with a vehicle body, and is convenient to install and detach.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of a permanent magnet synchronous motor mounting structure of an electric vehicle hub according to the present invention;
FIG. 2 is a schematic structural view of an installation component in a permanent magnet synchronous motor installation structure of an electric vehicle hub according to the present invention;
FIG. 3 is a schematic structural view of a compressing mechanism of a mounting assembly in a permanent magnet synchronous motor mounting structure of an electric vehicle hub according to the present invention;
fig. 4 is a schematic structural view of a connection assembly in a permanent magnet synchronous motor mounting structure of an electric vehicle hub according to the present invention;
FIG. 5 is a schematic left view of a connection assembly in a permanent magnet synchronous motor mounting structure of an electric vehicle hub according to the present invention;
FIG. 6 is a schematic rear view of a connection assembly in a permanent magnet synchronous motor mounting structure of an electric vehicle hub according to the present invention;
in the figure: 1-hub, 2-mounting assembly, 3-spindle, 4-wire, 5-connection assembly, 6-hub motor, 201-right cap, 202-mounting port one, 203-bearing one, 204-rotor housing, 205-snap bar, 206-snap groove, 207-left cap, 208-mounting port two, 209-hold down mechanism, 210-bearing two, 211-support ring, 501-connection sleeve, 502-connection shaft, 503-concave stage, 504-small rack, 505-opening, 506-small gear, 507-small shaft, 508-catch, 509-spring two, 510-octagonal cylinder, 511-octagonal round groove, 2091-threaded rod, 2092-threaded hole two, 2093-spring one, 2094-compression ring.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a permanent magnet synchronous motor mounting structure of electric motor car wheel hub, including wheel hub 1, installation component 2, main shaft 3, electric wire 4, coupling assembling 5 and wheel hub motor 6, installation component 2 sets up at wheel hub 1 left end and right-hand member, wheel hub motor 6 passes through installation component 2 and installs inside wheel hub 1, main shaft 3 sets up inside wheel hub motor 6, electric wire 4 left end is connected with wheel hub motor 6, coupling assembling 5 connects at main shaft 3 right-hand member, installation component 2 includes right-hand member lid 201, mounting mouth one 202, bearing one 203, rotor shell 204, clamping strip 205, draw-in groove 206, left end lid 207, mounting mouth two 208, hold-down mechanism 209, bearing two 210 and holding-up ring 211, coupling assembling 5 includes adapter sleeve 501, connecting axle 502, concave station 503, small-size rack 504, opening 505, small-size gear 506, small-size axle 507, separation blade 508, spring two 509, octagon cylinder 510 and octagon circular slot 511.
In the installation component 2, draw-in groove 206 is offered at the inside annular side of wheel hub 1, wheel hub motor 6 is fixed inside rotor shell 204, rotor shell 204 annular side is fixed with card strip 205, card strip 205 installs inside draw-in groove 206, left end cover 207 is fixed at the inside left end edge position of wheel hub 1, install mouthful two 208 and offer in left end cover 207 left side intermediate position, main shaft 3 left end extends to install mouthful two 208 inside, bearing two 210 installs in main shaft 3 annular side left position, hold-down mechanism 209 installs the inside upper end at install mouthful two 208, support ring 211 installs the inside lower extreme at install mouthful two 208, right-hand member cover 201 passes through bolted connection at wheel hub 1 right flank, install mouthful one 202 is offered at right-hand member face intermediate position of right-hand member cover 201, bearing one 203 is fixed inside install mouthful one 202, main shaft 3 right-hand member passes the bearing, and extend to right-hand member 201 right side.
In the connecting assembly 5, a connecting sleeve 501 is fixed at the right end of an annular side surface of a main shaft 3, the left end of a connecting shaft 502 is arranged in the connecting sleeve 501, the right end of the connecting shaft 502 is connected with a vehicle body, a concave table 503 is arranged at the upper end of the annular side surface of the main shaft 3, a small rack 504 is fixed at the lower side surface in the concave table 503, an opening 505 is arranged at the right edge position of the upper end of the annular side surface of the connecting sleeve 501, a small shaft 507 is arranged in the opening 505, the rear end of the small shaft 507 passes through the rear side surface in the opening 505 and extends into a notch, the notch is arranged at the rear position of the annular side surface of the connecting sleeve 501, a small gear 506 is arranged on the annular side surface of the small shaft 507, the small gear 506 is meshed with the small rack 504 through gear teeth, an octagonal round groove 511 is machined in the opening 505 at the outer side of the small shaft 507, the annular side surface of the octagonal round groove 511 is sleeved with an octagonal round cylinder 510, a baffle 508 is arranged in the inner side of the octagonal round groove 511, a baffle 508 is fixed at the rear end of the small shaft 507, a spring two rear end of the baffle 509 is arranged on the annular side surface of the small shaft 507, the spring two rear end of the baffle 509 is connected with the front end of the baffle 509, and the front end of the spring 509 is connected with the rear side of the octagonal cylinder 510.
As an embodiment of the present invention: the right end face of the right end cover 201 is provided with more than two connecting holes, the right end face of the hub 1 is provided with more than two threaded holes corresponding to the connecting holes, the connecting holes are connected with the threaded holes through bolts, the clamping grooves 206 are provided with more than two clamping grooves 206, the more than two clamping grooves 206 are equidistantly arranged on the annular side face of the inside of the hub 1, the clamping strips 205 are provided with more than two clamping strips 205, the more than two clamping strips 205 are equidistantly arranged on the annular side face of the rotor shell 204, the clamping strips 205 are respectively arranged in the more than two clamping grooves 206, in the actual use process, the rotor of the hub 1 moves leftwards, the right end of the hub 1 stretches into the hub 1 through the right end of the hub 1, the rotor of the hub 1 drives the rotor shell 204 to move, the clamping strips 205 are driven to the inside of the clamping grooves 206, meanwhile, the hub motor 6 drives the spindle 3 to move leftwards, the spindle 3 drives the right end cover 201 to move leftwards, and when the right end cover 201 moves to be tightly attached to the right side face of the hub 1, the left end of the bolt penetrates through the connecting holes and is screwed inside the threads, and the right end cover 201 is connected with the hub 1.
As an embodiment of the present invention: the compressing mechanism 209 includes threaded rod 2091, threaded hole two 2092, spring one 2093 and clamping ring 2094, threaded hole two 2092 is seted up at the inside side of going up of installing port two 208, threaded rod 2091 is installed inside threaded hole two 2092, spring one 2093 sets up at threaded rod 2091 annular side, spring one 2093 upper end is connected with the inside side of going up of installing port one 202, spring one 2093 lower extreme is connected with clamping ring 2094 side, clamping ring 2094 installs at the inside upper end of installing port two 208, clamping ring 2094 left surface is fixed with T type slider, T type spout has been seted up at the inside left surface of installing port two 208, T type slider is installed inside T type spout, the circular slot has been seted up to clamping ring 2094 upper surface, threaded rod 2091 lower extreme sets up inside the circular slot, in the in-process of in-service use, accomplish the fixed time of right-hand member 201, spindle 3 left end is located inside the mounting hole, rotate threaded rod 2091, make threaded rod 2091 rotate and move down in threaded rod 2091 and rotate and produce thrust to 2094, make clamping ring 2094 move down, the slider moves to drive T type 2094 and drive inside T type spout 2094 and compression ring 2094, 2094 and compression force can be closely moved to compression ring 2094 when 2094 is fixed to compression ring 2094.
As an embodiment of the present invention: the upper end and the lower end of the annular side surface of the small shaft 507 are provided with limit grooves, the rear end surface of the octagonal cylinder 510 is provided with a through hole, the small shaft 507 passes through the through hole, the upper side surface and the lower side surface of the inside of the through hole are both fixed with limit blocks, the limit blocks are arranged inside the limit grooves, the positions of the edge lines at the rear part of the outer side surface of the octagonal cylinder 510 are fixed with lugs, in the actual use process, the octagonal cylinder 510 is pulled backwards by holding the lugs, the octagonal cylinder 510 is enabled to move backwards along the small shaft 507 and drive the limit blocks to move backwards along the limit grooves, when the octagonal cylinder 510 is separated from the octagonal circular groove 511, the hub 1 is pushed rightwards, the connecting sleeve 501 is driven rightwards by the hub 1 through the main shaft 3, the left end of the connecting shaft 502 stretches into the connecting sleeve 501, thus, the small rack 504 is meshed with the gear, the hub 1 is continuously pushed to the right, the connecting sleeve 501 drives the small gear 506 to move to the right, the small gear 506 is meshed with the small rack 504, the small gear 506 is driven to rotate, the small gear 506 rotates to drive the octagonal cylinder 510 and the baffle 508 to rotate, when the left end of the connecting shaft 502 moves to be attached to the right end face of the main shaft 3, the hub 1 is stopped to be pushed, the octagonal cylinder 510 is released, under the elastic force of the deformation recovery of the spring II 509, the octagonal cylinder 510 drives the limiting block to move forwards, so that the front end of the octagonal cylinder 510 moves into the octagonal circular groove 511, and then the small shaft 507 cannot rotate, and the positioning of the connecting shaft 502 is realized.
As an embodiment of the present invention: positioning grooves are formed in the front end and the rear end of the annular side inside the connecting sleeve 501, positioning convex strips are fixed to the front end and the rear end of the annular side of the connecting shaft 502, the positioning convex strips are arranged inside the positioning grooves, in the using process, the connecting shaft 502 and the connecting sleeve 501 are connected through the alignment of the positioning grooves and the positioning convex strips, the meshing accuracy of the small gear 506 and the small rack 504 is improved, the connecting shaft 502 and the connecting sleeve 501 are prevented from rotating relatively in the running process, and the stability is improved.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (3)
1. The utility model provides an electric motor car wheel hub's PMSM mounting structure, includes wheel hub, installation component, main shaft, electric wire, coupling assembling and wheel hub motor, its characterized in that: the installation assembly is arranged at the left end and the right end of the hub, the hub motor is installed inside the hub through the installation assembly, the main shaft is arranged inside the hub motor, the left end of the electric wire is connected with the hub motor, and the connection assembly is connected at the right end of the main shaft;
the installation component includes right-hand member lid, mounting hole I, bearing I, rotor shell, draw-in strip, draw-in groove, left end lid, mounting hole II, hold-down mechanism, bearing II and supporting ring, the draw-in groove is seted up at the inside annular side of wheel hub, wheel hub motor is fixed inside the rotor shell, rotor shell annular side is fixed with the draw-in strip, the draw-in strip is installed in the draw-in groove inside, left end lid is fixed in the inside left end border position of wheel hub, mounting hole II sets up in left end lid left surface intermediate position, the main shaft left end extends to mounting hole II inside, bearing II installs in the inside upper end of mounting hole II, bearing II installs in the inside lower extreme of mounting hole II, the right end lid passes through bolted connection at wheel hub right flank, mounting hole I sets up in right end lid right-hand member face intermediate position, bearing I is fixed in the inside mounting hole I, the main shaft right-hand member passes the bearing to extend to the right side, the right-hand member end lid has seted up two connecting holes at the inside wheel hub, wheel hub is equipped with two connecting holes on the right end lid, wheel hub is equipped with two corresponding draw-in strip in the inside annular side of wheel hub, the wheel hub is driven to two and is connected with two inside annular side to the rotor, the draw-in the inside annular side to the draw-in strip is arranged in the inside rotor shell, two screw hole is driven to the inside rotor groove is arranged with the inside the rotor has two, the inside the annular draw-in strip to the rotor has moved to the inside the rotor has moved to the corresponding to the inside at the inside the same groove to the inside has two side groove to the side to the rotor has moved to the side inside has passed through the bolt to the left side has the bolt to the left side and the axial inside and has passed, the main shaft drives the right end cover to move leftwards, and when the right end cover moves to be closely attached to the right side surface of the hub, the left end of the bolt penetrates through the connecting hole and is screwed into the first thread to realize the connection between the right end cover and the hub;
the connecting component comprises a connecting sleeve, a connecting shaft, a concave table, a small rack, an opening, a small gear, a small shaft, a baffle, a spring II, an octagonal cylinder and an octagonal round groove, wherein the connecting sleeve is fixed at the right end of the annular side surface of a main shaft, the left end of the connecting shaft is arranged inside the connecting sleeve, the right end of the connecting shaft is connected with a vehicle body, the concave table is arranged at the upper end of the annular side surface of the main shaft, the small rack is fixed at the lower side surface inside the concave table, the opening is arranged at the edge position of the right end of the upper end of the annular side surface of the connecting sleeve, the small shaft is arranged inside the opening, the rear end of the small shaft penetrates through the rear side surface inside the opening and extends into the notch, the notch is arranged at the rear position of the annular side surface of the connecting sleeve, the small gear is arranged on the annular side surface of the small shaft, the small gear is meshed with the small rack through gear teeth, the opening inside processing in the small-size axle outside has the octagon circular slot, small-size axle annular side cover is equipped with the octagon cylinder, the octagon cylinder is installed in octagon circular slot inside, the separation blade is fixed at small-size axle rear end, spring two sets up at small-size axle annular side, spring two rear ends are connected with separation blade preceding terminal surface, spring two front ends are connected with octagon cylinder trailing flank, the spacing groove has all been seted up to small-size axle annular side upper end and lower extreme rear portion position, the through-hole has been seted up to octagon cylinder trailing flank, small-size axle passes the through-hole, through-hole inside upper side and lower flank all are fixed with the stopper, the spacing inslot portion is installed to the stopper, octagon cylinder trailing edge position is fixed with the lug, holds the lug and pulls octagon cylinder backward, makes octagon cylinder follow small-size axial backward movement, and drive stopper backward movement along the spacing groove, when octagonal cylinder and octagonal circular groove separate, push wheel hub to the right, make wheel hub drive the adapter sleeve through the main shaft and remove to the right, make the connecting axle left end stretch into inside the adapter sleeve, thereby small-size rack meshes with the gear, continue to push wheel hub to the right, make the adapter sleeve drive small-size gear remove to the right, thereby small-size gear meshes with small-size rack, drive small-size gear rotation, small-size gear rotation drives octagonal cylinder and separation blade rotation, when the connecting axle left end moves to the right-hand member face of main shaft looks when laminating, stop pushing wheel hub, and release octagonal cylinder, under the elasticity effect of spring two resume deformation, octagonal cylinder drives the stopper and moves forward, thereby octagonal cylinder front end moves to inside the octagonal circular groove, then small-size axle can not take place to rotate, realize the location of connecting axle.
2. The permanent magnet synchronous motor mounting structure of an electric vehicle hub according to claim 1, wherein: the pressing mechanism comprises a threaded rod, a threaded hole II, a spring I and a pressing ring, wherein the threaded hole II is formed in the upper side surface of the inside of the mounting opening II, the threaded rod is installed in the threaded hole II, the spring I is arranged on the annular side surface of the threaded rod, the upper end of the spring I is connected with the upper side surface of the inside of the mounting opening II, the lower end of the spring is connected with the upper side surface of the pressing ring, the pressing ring is installed at the upper end of the inside of the mounting opening II, a T-shaped sliding block is fixed on the left side surface of the pressing ring, a T-shaped sliding groove is formed in the left side surface of the inside of the mounting opening II, the T-shaped sliding block is installed in the inside of the T-shaped sliding groove, the round groove is formed in the upper surface of the pressing ring, the lower end of the threaded rod is arranged in the round groove, when the right end cover is fixed, the left end of the main shaft is located in the inside of the mounting opening II, the threaded rod is rotated in the inside of the threaded hole II and moves downwards, the pressing ring is pushed downwards, the pressing ring is driven to move downwards, and the T-shaped sliding block moves downwards in the T-shaped sliding groove, and simultaneously the pressing ring generates a compression force on the spring I, and the pressing ring is contracted when the pressing ring is tightly attached to the two annular sides, and the left end of the threaded rod is tightly rotates tightly and the left end and the threaded rod.
3. The permanent magnet synchronous motor mounting structure of an electric vehicle hub according to claim 1, wherein: positioning grooves are formed in the front end and the rear end of the annular side inside the connecting sleeve, positioning convex strips are fixed at the front end and the rear end of the annular side of the connecting sleeve, the positioning convex strips are arranged inside the positioning grooves, in the using process, the connecting shaft and the connecting sleeve are connected through the alignment of the positioning grooves and the positioning convex strips, the meshing accuracy of the small gear and the small rack is improved, the connecting shaft and the connecting sleeve are prevented from rotating relatively in the running process, and the stability is improved.
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| CN201810869106.3A CN108880085B (en) | 2018-08-02 | 2018-08-02 | Permanent magnet synchronous motor mounting structure of electric vehicle hub |
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| CN201810869106.3A CN108880085B (en) | 2018-08-02 | 2018-08-02 | Permanent magnet synchronous motor mounting structure of electric vehicle hub |
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| CN108880085B true CN108880085B (en) | 2023-09-01 |
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