CN116155033A

CN116155033A - Water-cooled motor

Info

Publication number: CN116155033A
Application number: CN202310209168.2A
Authority: CN
Inventors: 潘凌明
Original assignee: Wuxi Xinshili Motor Technology Co ltd
Current assignee: Wuxi Xinshili Motor Technology Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-05-23

Abstract

The invention relates to the technical field of motor cooling, and discloses a water-cooled motor, which comprises a hub, wherein a side cover is fixedly arranged on the side wall of the hub, a protective sleeve is fixedly arranged at the center of the side cover, a bearing outer ring is fixedly arranged at the center of the protective sleeve, the arc-shaped inner surface of the bearing outer ring is abutted against the bearing inner ring through balls, a positioning shaft is fixedly connected at the center of the bearing inner ring, a connecting sleeve is fixedly arranged at the end part of the positioning shaft, a driving motor is fixedly arranged on the arc-shaped outer wall of the positioning shaft, and a cooling assembly is arranged on the positioning shaft. This water-cooling motor is through being the setting of the epaxial mounting hole of location axle and location that hollow set up to make the condenser tube of storage battery car can drive the coolant liquid in the circulation cooling dish under not receiving the tire and rotate the influence, thereby effectually carry out heat conduction and transmission to the produced heat of driving motor work in the tire, in order to play the effect of cooling.

Description

Water-cooled motor

Technical Field

The invention relates to the technical field of motor cooling, in particular to a water-cooled motor.

Background

The motorcycle or the battery car generally adopts rear wheel drive, and the mounting position of the driving device is arranged on the rotating shaft of the rear wheel, and the rear wheel of the vehicle is driven to run through the power output of the driving device, but the motor is arranged at the inner position of the tire, so that the heat dissipation efficiency of the motor is affected to a certain extent, and therefore, the motor needs to be dissipated.

The existing motor generally adopts a water cooling or air cooling mode, and in the prior art, a water cooling pipeline on the motor is used for avoiding winding risks on a rear wheel, so that water cooling equipment on the motor can be arranged in the rear wheel, and the cooling work of an output motor on the rear wheel of the electric vehicle is further realized.

However, in the actual use process of the equipment, the water cooling equipment limits a water cooling pipeline and a water cooling operation area when in use because the distance between the rotating shaft of the electric vehicle and the rear wheel which continuously rotates at high speed is very short, so that the efficiency of the water cooling equipment cannot reach the best; in view of this, we propose a water-cooled motor.

Disclosure of Invention

The invention aims to provide a water-cooled motor so as to solve the problems in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a water-cooling motor, includes wheel hub, wheel hub's lateral wall fixed mounting has the side cap, the center department fixed mounting of side cap has the lag, the centre of a circle department fixed mounting of lag has the bearing outer ring, through ball and bearing inner ring looks butt on the arc internal surface of bearing outer ring, the centre of a circle department fixedly connected with locating shaft of bearing inner ring, the tip fixed mounting of locating shaft has the adapter sleeve, fixed mounting has driving motor on the arc outer wall of locating shaft, be provided with cooling module on the locating shaft, cooling module includes:

the positioning shaft penetrates through the circulating cooling disc, and the circulating cooling disc is fixedly connected with the positioning shaft;

the circular cooling plate comprises a connecting disc, wherein the arc-shaped outer wall of the circular cooling plate is sleeved with the connecting disc, the arc-shaped outer wall of the connecting disc is fixedly provided with a ventilation fan ring, and the arc-shaped outer wall of the ventilation fan ring is fixedly provided with an inner wheel ring;

the installation hole is formed in the arc-shaped outer wall of the positioning shaft, the water inlet is formed in the side wall of the circulating cooling disc, and the water outlet is formed in the side wall of the circulating cooling disc.

Preferably, the arc-shaped side wall of the inner ring is fixedly provided with a side ring edge, and the inner wall of the side ring edge is provided with an O-shaped hole.

Preferably, the number of the bearing outer rings, the balls and the bearing inner rings is two, and the two groups of the bearing outer rings, the balls and the bearing inner rings are symmetrically arranged by taking the central axis of the positioning shaft as a symmetrical axis, so that the left side and the right side of the hub can be well stressed, and the safety of the hub in use is ensured.

Preferably, the cambered surfaces of the bearing outer ring and the bearing inner ring, which are close to each other, are provided with ball sliding grooves matched with the balls, so that the balls can stably provide supporting force for the bearing inner ring and the bearing outer ring, and the stable motion state of the balls can be effectively maintained.

Preferably, the inner wall of the connecting disc is provided with a plurality of groups of circular through holes, and the inner wall of the ventilation fan ring is uniformly provided with a plurality of groups of ventilation holes, so that the connecting disc and the ventilation fan ring are matched with the circulating cooling disc to form and protect the inner ring and the body of the wheel body, the connecting disc can maintain good compression resistance, and meanwhile, the temperature difference in the space on the left side and the right side of the inside of the tire is avoided.

Preferably, the mounting hole, the water inlet and the water outlet are arranged on the same side of the circulating cooling disc, so that the cooling water pipe extending out of the mounting hole can be communicated with the water inlet and the water outlet through shorter passages.

Preferably, the inside of locating shaft is provided with the positioning seat, the top of the top inner wall fixedly connected with telescopic link of positioning seat, the bottom fixedly connected with drive plate of telescopic link, the top inner wall fixedly connected with of positioning seat supports the top of tight spring, the bottom fixedly connected with of tight spring is at the upper surface of drive plate, the lower fixed surface of drive plate is connected with branch, the bottom inner wall of branch rotates the tip of installing the bull stick, the bull stick runs through there is the butt wheel, and butt wheel and bull stick fixed connection, be provided with the location arc strip on the arc outer wall of butt wheel, the inner wall fixedly connected with volute spring's of branch tip, volute spring's the other end fixed connection is on the arc outer wall of bull stick.

Preferably, the inside of the positioning shaft is hollow, and the cavity inside the positioning shaft is in through connection with the mounting hole, so that the cooling water pipe can be mounted in the positioning shaft.

Preferably, the rectangular groove matched with the section of the end part of the support rod is formed in the inner wall of the bottom of the positioning seat, so that the support rod can slide into the positioning seat along the rectangular groove, and the support rod is ensured to always be in the movement direction in the vertical direction.

Compared with the prior art, the invention provides a water-cooled motor, which has the following beneficial effects:

1. this water-cooling motor is through being the setting of the epaxial mounting hole of location axle and location that hollow set up to make the condenser tube of storage battery car can drive the coolant liquid in the circulation cooling dish under not receiving the tire and rotate the influence, thereby effectually carry out heat conduction and transmission to the produced heat of driving motor work in the tire, in order to play the effect of cooling.

2. This water-cooling motor is through being provided with the location arc strip that sets up on butt wheel and the butt wheel arc outer wall to make condenser tube still keep relatively stable state in the location axle in the travel of storage battery car, and can not appear excessive aversion, avoid causing the influence to the connection stability of water inlet and delivery port and condenser tube.

3. This water-cooling motor through being provided with volute spring, cooperates bull stick and butt wheel to make condenser tube can not appear excessive phenomenon of dragging in the location axle, effectually make condenser tube keep a stable operating condition, hoisting device's cooling security and stability.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present invention;

FIG. 2 is a schematic diagram of a structure for removing side covers of the present invention;

FIG. 3 is a schematic diagram of the structure of the de-circulating cooling plate of the invention;

FIG. 4 is a schematic view of a positioning shaft according to the present invention;

FIG. 5 is a schematic view of a positioning shaft in partial cross-section of the present invention;

FIG. 6 is a schematic view of a positioning seat according to the present invention.

In the figure: 1. a hub; 2. a side cover; 3. a protective sleeve; 4. an outer ring of the bearing; 5. a ball; 6. a bearing inner ring; 7. positioning a shaft; 8. connecting sleeves; 9. a driving motor; 10. a circulating cooling disc; 11. a connecting disc; 12. a ventilation fan ring; 13. internal rotation; 14. a side ring edge; 15. an O-shaped aperture; 16. a mounting hole; 17. a water inlet; 18. removing water gap; 19. a positioning seat; 20. a telescopic rod; 21. a drive plate; 22. a spring is abutted tightly; 23. a support rod; 24. a rotating rod; 25. an abutment wheel; 26. positioning an arc strip; 27. a volute spring.

Detailed Description

As shown in fig. 1-6, the present invention provides a technical solution: the utility model provides a water-cooling motor, including wheel hub 1, wheel hub 1's lateral wall fixed mounting has side cap 2, the central department fixed mounting of side cap 2 has lag 3, the centre of a circle department fixed mounting of lag 3 has outer ring 4 of bearing, pass through ball 5 on the arc internal surface of outer ring 4 of bearing and the butt of inner ring 6 of bearing, the centre of a circle department fixedly connected with locating shaft 7 of inner ring 6 of bearing, locating shaft 7's tip fixed mounting has adapter sleeve 8, fixed mounting has driving motor 9 on locating shaft 7's the arc outer wall, locating shaft 7 runs through circulation cooling dish 10, and circulation cooling dish 10 and locating shaft 7 fixed connection, cup joint connection dish 11 on the arc outer wall of circulation cooling dish 10, fixed mounting has ventilative fan ring 12 on the arc outer wall of connection dish 11, fixed mounting has inner ring 13 on the arc lateral wall of inner ring 13, O type hole 15 has been seted up to the inner wall of side ring 14, set up mounting hole 16 on the arc outer wall of locating shaft 7, water inlet 17 has been seted up to circulation cooling dish 10's lateral wall, circulation cooling dish 10's lateral wall 18 has been seted up.

In one embodiment of the invention, the side cover 2 is provided with a plurality of groups of transverse plates to improve the contact area between the tire and the air, so that heat dissipation is better carried out, the positioning shaft 7 can be stressed more stably by the arrangement of the protective sleeve 3, the contact part between the tire and the positioning shaft 7 is increased, so that the condition that the tire does not shake is effectively ensured, the stability of the tire during rotation is ensured, further, the middle part of the positioning shaft 7 is not influenced by sludge splashing caused by the running of an electric bicycle by the arrangement of the protective sleeve 3, meanwhile, the arc-shaped inner surface of the hub 1 is attached to the arc-shaped outer wall of the inner wheel ring 13, and the inner wheel ring 13 can be welded with the arc-shaped inner surface of the hub 1 during installation to ensure the installation stability of the whole tire, and the number of the bearing outer ring 4, the ball 5 and the bearing inner ring 6 is provided with two groups, the two groups of the bearing outer rings 4, the balls 5 and the bearing inner rings 6 are symmetrically arranged by taking the central axis of the positioning shaft 7 as a symmetrical axis, so that the left side and the right side of the hub 1 can be well stressed, the safety of the hub 1 in use is ensured, in addition, the cambered surfaces of the bearing outer rings 4 and the bearing inner rings 6, which are close to each other, are provided with ball sliding grooves matched with the balls 5, so that the balls 5 can stably provide supporting force for the bearing inner rings 6 and the bearing outer rings 4, the stable movement state of the balls 5 can be effectively maintained, the phenomenon of falling and displacement is avoided, the stability of the device in operation is further ensured, the top end of the connecting sleeve 8 is provided with a U-shaped groove for mounting a bolt, so that the connecting sleeve 8 can mount the positioning shaft 7 on a rear seat mounting frame of an electric vehicle or a motorcycle, to provide a stable installation environment for the positioning shaft 7 and the hub 1.

In the embodiment of the invention, the inner wall of the connecting disc 11 is provided with a plurality of groups of circular through holes, the inner wall of the ventilation fan ring 12 is uniformly provided with a plurality of groups of ventilation holes, so that the connecting disc 11 and the ventilation fan ring 12 are matched with the circulating cooling disc 10 to form and protect the inner wheel ring 13 and the shape of the wheel body, the inner wheel ring 13 can keep good compression resistance, meanwhile, the space on the left side and the right side of the inside of the tire cannot be caused to have temperature difference, the ventilation efficiency on the left side and the right side is ensured, meanwhile, the output end of the driving motor 9 is fixedly connected with the connecting disc 11, and therefore, when the driving motor 9 is started, the connecting disc 11 can drive the ventilation fan ring 12, the inner wheel ring 13 and the wheel hub 1 to rotate by taking the positioning shaft 7 as a rotation center, further, the motorcycle or the battery car installed by the device can obtain power, further, the number of the side ring 14 is provided with two groups, and the two groups of side ring 14 are arranged on the left side and the right side of the inner wheel ring 13 in mirror image mode, so that the tire on the arc-shaped outer wall of the wheel hub 1 can be positioned conveniently, and simultaneously, the setting of the O-shaped holes 15 can spread heat better.

In the embodiment of the invention, the mounting hole 16, the water inlet 17 and the water outlet 18 are arranged on the same side of the circulating cooling disc 10, so that a cooling water pipe extending out of the mounting hole 16 can be communicated with the water inlet 17 and the water outlet 18 through a shorter passage, the cooling water can better transmit the temperature in the circulating cooling disc 10, thereby realizing cooling, and meanwhile, the inside of the circulating cooling disc 10 is arranged in a hollow manner so as to supply the circulation of the cooling liquid, and the cooling water and the circulating cooling disc 10 are contacted with each other along with the rotation of the circulating cooling disc 10 on the positioning shaft 7, so that the heat dissipation effect of the device is improved.

In addition, in order to avoid when the vehicle is going, the cooling water pipe is passed and is passed the location axle 7 and the contact portion of its and location axle 7 tip is easy to receive the vehicle jolt and appear shifting, and then to the connection stability of water inlet 17 with delivery port 18 and cooling water pipe leads to the fact the influence, the inside of location axle 7 is provided with positioning seat 19, the top inner wall fixedly connected with telescopic link 20's top of positioning seat 19, telescopic link 20's bottom fixedly connected with drive plate 21, the top inner wall fixedly connected with of positioning seat 19 supports tightly the top of spring 22, the bottom fixedly connected with of supporting tightly spring 22 is at the upper surface of drive plate 21, the lower surface fixedly connected with branch 23 of drive plate 21, the bottom inner wall rotation of branch 23 installs the tip of bull stick 24, bull stick 24 runs through there is butt wheel 25, and butt wheel 25 and bull stick 24 fixed connection, be provided with location arc 26 on the arc outer wall of butt wheel 25, the inner wall fixedly connected with volute spring 27's tip of branch 23, the other end fixedly connected with of volute spring 27 is on the arc outer wall of bull stick 24.

In the embodiment of the invention, the inside of the positioning shaft 7 is hollow, the cavity inside the positioning shaft 7 is in through connection with the mounting hole 16, meanwhile, the number of the positioning seats 19 is four, the four groups of positioning seats 19 are uniformly distributed on the arc-shaped inner wall of the positioning shaft 7 in a circumferential array, in addition, the side wall of the transmission plate 21 is in sliding connection with the inner wall of the positioning seat 19, so that the transmission plate 21 can only move along the inner wall of the positioning seat 19 in the vertical direction, further, the abutting spring 22 is sleeved on the arc-shaped outer wall of the telescopic rod 20, so that the telescopic rod 20 can play a role in guiding and limiting the deformation direction of the abutting spring 22, in particular, the abutting spring 22 can only deform in the vertical direction when being extruded or stretched, and the phenomenon of deflection in the horizontal direction can not occur, the abutting springs 22 can always provide stable transmission effect for the transmission plate 21, meanwhile, rectangular grooves matched with the cross section of the end parts of the supporting rods 23 are formed in the inner wall of the bottom of the positioning seat 19, so that the supporting rods 23 can slide into the positioning seat 19 along the rectangular grooves and ensure that the supporting rods 23 always present the movement direction in the vertical direction, in addition, the number of the supporting rods 23 is provided with two groups, the two groups of supporting rods 23 are symmetrically arranged by taking the central axis of the positioning seat 19 as the symmetry axis, so that the abutting wheels 25 can obtain more stable supporting and mounting effect, further, the positioning arc strips 26 are inclined towards the central side of the abutting wheels 25, the number of the positioning arc strips 26 is provided with two groups, the two groups of positioning arc strips 26 are arranged at the left side and the right side of the central axis of the abutting wheels 25 in a mirror image, meanwhile, the spiral springs 27 are sleeved on the arc outer walls of the rotating rods 24, so that a more stable transmission effect of the rotating lever 24 and the abutment wheel 25 can be obtained.

In the invention, when in use, the cooling water pipes on the cooling circulation equipment positioned at the front part of the electric vehicle are paved side by side along the vehicle body of the electric vehicle to the rear wheel, and pass through the inner cavity of the positioning shaft 7, then extend out through the mounting hole 16, connect the water inlet pipe to the water inlet 17, connect the water outlet pipe to the water outlet 18, and close the side cover 2 and the protective cover 3 at the moment to finish the mounting of the rear wheel cooling assembly of the electric vehicle, and when the driving motor 9 is started, the driving motor is matched with the transmission of the connecting disc 11 to drive the hub 1 and the tire to rotate under the action of the ventilation fan ring 12 and the inner wheel ring 13, thereby finishing the driving of the electric vehicle.

The foregoing invention has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. The utility model provides a water-cooling motor, includes wheel hub (1), the lateral wall fixed mounting of wheel hub (1) has side cap (2), the center department fixed mounting of side cap (2) has lag (3), the centre of a circle department fixed mounting of lag (3) has outer ring (4) of bearing, on the arc internal surface of outer ring (4) of bearing through ball (5) and inner ring (6) looks butt of bearing, the centre of a circle department fixedly connected with locating shaft (7) of inner ring (6) of bearing, the tip fixed mounting of locating shaft (7) has adapter sleeve (8), fixed mounting has driving motor (9) on the arc outer wall of locating shaft (7), its characterized in that: the positioning shaft (7) is provided with a cooling assembly, and the cooling assembly comprises:

the positioning shaft (7) penetrates through the circulating cooling disc (10), and the circulating cooling disc (10) is fixedly connected with the positioning shaft (7);

the cooling device comprises a connecting disc (11), wherein the connecting disc (11) is sleeved on the arc-shaped outer wall of the circulating cooling disc (10), a ventilation fan ring (12) is fixedly arranged on the arc-shaped outer wall of the connecting disc (11), and an inner wheel ring (13) is fixedly arranged on the arc-shaped outer wall of the ventilation fan ring (12);

the installation hole (16), install mounting hole (16) on the arc outer wall of locating shaft (7), water inlet (17) have been seted up to the lateral wall of circulation cooling dish (10), delivery port (18) have been seted up to the lateral wall of circulation cooling dish (10).

2. The water-cooled motor of claim 1, wherein: the arc-shaped side wall of the inner ring (13) is fixedly provided with a side ring edge (14), and the inner wall of the side ring edge (14) is provided with an O-shaped hole (15).

3. The water-cooled motor of claim 1, wherein: the number of the bearing outer rings (4), the balls (5) and the bearing inner rings (6) is two, and the two groups of the bearing outer rings (4), the balls (5) and the bearing inner rings (6) are symmetrically arranged by taking the central axis of the positioning shaft (7) as a symmetrical axis.

4. The water-cooled motor of claim 1, wherein: a ball sliding groove matched with the ball (5) is formed in the cambered surface, which is close to the bearing outer ring (4) and the bearing inner ring (6), of the bearing.

5. The water-cooled motor of claim 1, wherein: a plurality of groups of circular through holes are formed in the inner wall of the connecting disc (11), and a plurality of groups of ventilation holes are uniformly formed in the inner wall of the ventilation fan ring (12).

6. The water-cooled motor of claim 1, wherein: the mounting hole (16), the water inlet (17) and the water outlet (18) are arranged on the same side of the circulating cooling disc (10).

7. The water-cooled motor of claim 1, wherein: the inside of locating axle (7) is provided with positioning seat (19), the top inner wall fixedly connected with telescopic link (20) of positioning seat (19), the bottom fixedly connected with drive plate (21) of telescopic link (20), the top of the top inner wall fixedly connected with of positioning seat (19) supports tight spring (22), the bottom fixedly connected with of supporting tight spring (22) is on the upper surface of drive plate (21), the lower fixed surface of drive plate (21) is connected with branch (23), the tip of bull stick (24) is installed in the bottom inner wall rotation of branch (23), bull stick (24) run through and have butt wheel (25), and butt wheel (25) and bull stick (24) fixed connection, be provided with location arc strip (26) on the arc outer wall of butt wheel (25), the inner wall fixedly connected with of branch (23) rolls up the tip of spring (27), the other end fixed connection of spiral spring (27) is on the arc outer wall of bull stick (24).

8. The water-cooled motor of claim 7, wherein: the inside of the positioning shaft (7) is hollow, and the inner cavity of the positioning shaft (7) is in through connection with the mounting hole (16).

9. The water-cooled motor of claim 7, wherein: rectangular grooves matched with the cross sections of the end parts of the supporting rods (23) in size are formed in the inner walls of the bottoms of the positioning seats (19).