CN213585529U

CN213585529U - Direct-current brushless motor with protection structure for electric vehicle

Info

Publication number: CN213585529U
Application number: CN202022742229.6U
Authority: CN
Inventors: 俞恩
Original assignee: Hangzhou Qiling Industrial Co Ltd
Current assignee: Hangzhou Qiling Industrial Co Ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-06-29
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a DC brushless motor with protective structure for electric vehicle, which comprises a machine body and a machine cover, wherein the tail end of the machine body is provided with the machine cover, a dismounting structure is arranged between the machine body and the machine cover, the dismounting structure comprises a clamping block, a clamping groove, a first convex particle and a second convex particle, one side of the machine cover is provided with three groups of clamping blocks, one side of the machine body is provided with three groups of clamping grooves, the clamping blocks are inserted into the clamping grooves, the surface of the clamping block is provided with the first convex particle, the utility model designs a structure which is convenient for dismounting between the machine body and the machine cover, the machine cover is clamped into the clamping groove arranged on one side of the machine body by utilizing the clamping block on one side, the rear clamping block is clamped by utilizing the first convex particle on the surface to match with the second convex particle arranged in the clamping groove, thereby realizing the installation, and the clamping block can be separated, the disassembly is completed, the quick disassembly and the assembly are realized, and the overhaul operation is further facilitated.

Description

Direct-current brushless motor with protection structure for electric vehicle

Technical Field

The utility model relates to an electric motor car technical field specifically is a brushless DC motor for electric motor car with protective structure.

Background

The driving motor of electric motor car generally adopts direct current brushless motor, can satisfy the demand in using on the electric motor car basically, along with the improvement of people's standard of living, the use amount of electric motor car also is bigger and bigger, and wherein direct current brushless motor is the development update iteration along with time also as the most important part on the electric motor car:

however, the existing brushless dc motor still has certain defects in use and needs to be solved, and if the existing brushless dc motor is inconvenient to disassemble and assemble, the motor is inconvenient to overhaul, and a large amount of overhaul time can be wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a DC brushless motor for electric motor car with protective structure to solve the inconvenient problem of overhauing that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a direct current brushless motor for electric motor car with protective structure, includes organism and cover, the tail end of organism is provided with the cover, be provided with the dismouting structure between organism and the cover, the dismouting structure includes fixture block, draw-in groove, first protruding grain and the protruding grain of second, one side of cover is provided with three fixture blocks of group, three draw-in grooves of group have been seted up to one side of organism, the fixture block is inserted and is established the inside of draw-in groove, the surface of fixture block is provided with first protruding grain, the inner wall of draw-in groove be provided with first protruding grain matched with second protruding grain.

Preferably, the head end of organism is provided with the joint structure, the joint structure is including extension axle, transmission shaft, slot, bulge hole, locating piece, block spring and flexible groove, the head end of organism is provided with the transmission shaft, flexible groove has been seted up at the both ends of transmission shaft one side, the inside in flexible groove is fixed with the block spring, the top of block spring is fixed with the locating piece, one side of transmission shaft is provided with the extension axle.

Preferably, the outside cover of organism is equipped with protective structure, protective structure includes ring cover, splint, fixed spring and louvre, the intermediate position department cover of organism is equipped with the ring cover, the both ends of ring cover inner wall are fixed with fixed spring, the louvre has been seted up on the surface of ring cover.

Preferably, a slot is formed in one side of the inside of the lengthened shaft, the transmission shaft is inserted into the slot, convex holes are formed in two ends of one side of the outside of the lengthened shaft, the positioning block penetrates through the convex holes and extends to two ends of the outside of the lengthened shaft, and the transmission shaft forms a clamping structure by the aid of the positioning block and the convex holes in the lengthened shaft.

Preferably, the bottom end of the fixed spring is fixed with a clamping plate, the clamping plate is clamped on the outer wall of the machine body, and the clamping plate is symmetrically distributed about the horizontal central axis of the machine body.

Preferably, the first convex particles and the second convex particles are in contact with each other, so that the width of the clamping block is smaller than that of the clamping groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the design of the structure which is convenient to disassemble and assemble between the machine body and the machine cover, the machine cover is clamped into the clamping groove arranged on one side of the machine body by utilizing the clamping block on one side, the rear clamping block is clamped by utilizing the first convex particles on the surface of the rear clamping block to be matched with the second convex particles arranged in the clamping groove, so that the installation is realized, the clamping block can be separated from the inside of the clamping groove by forcibly pulling out the machine cover during the disassembly, the disassembly is completed, the quick disassembly and assembly are realized, and the overhaul operation is further;

2. the ring sleeve is sleeved outside the machine body, the surface of the machine body is protected by the ring sleeve, the ring sleeve is fixed with the inner wall of the machine body by the fixing springs at the two ends inside the ring sleeve and the bottom clamping plates, so that the fixed installation between the machine body and the ring sleeve is realized, heat dissipation holes formed in the surface of the ring sleeve do not influence the heat dissipation of the surface of the machine body, and the heat dissipation of equipment is not influenced while the whole machine body can be protected;

3. through installing this motor fixedly, add at organism transmission shaft front end and establish the extension and can increase transmission shaft length to improve the suitability in the use, the extension utilizes its one side slot and transmission shaft to insert the block, later utilizes on the transmission shaft in the flexible inslot of both ends locating piece and the block spring card go into in the slot, and extend through the protruding hole in the slot both ends, realize the transmission shaft and the fixed of extension, realize the extension of bearing.

Drawings

Fig. 1 is a schematic view of a front view partial section structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

FIG. 3 is a schematic view of the front view of the present invention;

fig. 4 is a schematic view of a front view structure of the slot of the present invention.

In the figure: 1. a body; 2. a clamping structure; 201. lengthening a shaft; 202. a drive shaft; 203. a slot; 204. a convex hole; 205. positioning blocks; 206. a snap spring; 207. a telescopic groove; 3. a protective structure; 301. sleeving a ring; 302. a splint; 303. fixing the spring; 304. heat dissipation holes; 4. a machine cover; 5. a disassembly and assembly structure; 501. a clamping block; 502. a card slot; 503. a first raised grain; 504. and a second raised grain.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a DC brushless motor with a protective structure for an electric vehicle comprises a machine body 1 and a machine cover 4, wherein the machine cover 4 is arranged at the tail end of the machine body 1, and a dismounting structure 5 is arranged between the machine body 1 and the machine cover 4;

the head end of the machine body 1 is provided with a clamping structure 2, the clamping structure 2 comprises an extension shaft 201, a transmission shaft 202, a slot 203, a convex hole 204, a positioning block 205, a clamping spring 206 and a telescopic groove 207, the head end of the machine body 1 is provided with the transmission shaft 202, two ends of one side of the transmission shaft 202 are provided with the telescopic groove 207, the inside of the telescopic groove 207 is fixed with the clamping spring 206, the top end of the clamping spring 206 is fixed with the positioning block 205, one side of the transmission shaft 202 is provided with the extension shaft 201, one side of the inside of the extension shaft 201 is provided with the slot 203, the transmission shaft 202 is inserted into the slot 203, two ends of one side of the outside of the extension shaft 201 are provided with the convex hole 204, the positioning block 205 penetrates through the convex hole 204 and extends to two ends of the outside of;

specifically, as shown in fig. 1, 3 and 4, the motor is mounted and fixed, a lengthened shaft 201 is additionally arranged at the front end of a transmission shaft 202 of the machine body 1, so that the length of the transmission shaft 202 can be increased, and therefore the applicability in use is improved, the lengthened shaft 201 is inserted and clamped with the transmission shaft 202 by using a slot 203 on one side, then is clamped into the slot 203 by using a positioning block 205 and a clamping spring 206 in a telescopic slot 207 on two ends of the transmission shaft 202, and extends out through convex holes 204 on two ends of the slot 203, so that the transmission shaft 202 and the lengthened shaft 201 are fixed, and the extension of a bearing is realized;

the protection structure 3 is sleeved outside the machine body 1, the protection structure 3 comprises a ring sleeve 301, clamping plates 302, fixing springs 303 and heat dissipation holes 304, the ring sleeve 301 is sleeved at the middle position of the machine body 1, the fixing springs 303 are fixed at two ends of the inner wall of the ring sleeve 301, the heat dissipation holes 304 are formed in the surface of the ring sleeve 301, the clamping plates 302 are fixed at the bottom ends of the fixing springs 303, the clamping plates 302 are clamped on the outer wall of the machine body 1, the clamping plates 302 are symmetrically distributed about the horizontal central axis of the machine body 1, the clamping plates 302 are fixed at the bottom ends of the fixing springs 303, the clamping plates 302 are clamped on the outer wall of the machine body 1, and the clamping plates;

specifically, as shown in fig. 1 and 3, a ring sleeve 301 is sleeved outside the machine body 1, the ring sleeve 301 is used for protecting the surface of the machine body 1, the ring sleeve 301 is fixed to the inner wall of the machine body 1 by using fixing springs 303 at two ends inside the ring sleeve 301 and a bottom clamping plate 302, so that the machine body 1 and the ring sleeve 301 are fixedly mounted, heat dissipation holes 304 formed in the surface of the ring sleeve 301 do not affect heat dissipation of the surface of the machine body 1, and the whole machine body can be protected while not affecting heat dissipation of equipment;

the dismounting structure 5 comprises clamping blocks 501, clamping grooves 502, first convex particles 503 and second convex particles 504, three groups of clamping blocks 501 are arranged on one side of the machine cover 4, three groups of clamping grooves 502 are arranged on one side of the machine body 1, the clamping blocks 501 are inserted into the clamping grooves 502, first convex particles 503 are arranged on the surfaces of the clamping blocks 501, second convex particles 504 matched with the first convex particles 503 are arranged on the inner walls of the clamping grooves 502, and the first convex particles 503 are in contact with the second convex particles 504, so that the width of the clamping blocks 501 is smaller than that of the clamping grooves 502;

specifically as shown in fig. 1 and 2, design the structure for making things convenient for the dismouting between organism 1 and cover 4, inside cover 4 utilized the fixture block 501 card of one side to go into the draw-in groove 502 that organism 1 one side set up, back fixture block 501 utilizes the second protruding grain 504 that sets up in the first protruding grain 503 cooperation draw-in groove 502 on its surface to carry out the block, thereby realize the installation, need pull out cover 4 hard during the dismantlement and can make fixture block 501 break away from the inside of draw-in groove 502, accomplish the dismantlement, realize quick assembly disassembly, and then conveniently overhaul the operation.

The working principle is as follows: when the motor is used, the motor is installed and fixed, the length of the transmission shaft 202 can be increased by additionally arranging the extension shaft 201 at the front end of the transmission shaft 202 of the machine body 1, so that the applicability in use is improved, the extension shaft 201 is inserted and clamped with the transmission shaft 202 by using the slot 203 at one side of the extension shaft 201, then is clamped into the slot 203 by using the positioning blocks 205 and the clamping springs 206 in the telescopic slots 207 at two ends of the transmission shaft 202, and extends out through the convex holes 204 at two ends of the slot 203, so that the transmission shaft 202 and the extension shaft 201 are fixed, and the extension of;

then, a ring sleeve 301 is sleeved outside the machine body 1, the surface of the machine body 1 is protected by the ring sleeve 301, the ring sleeve 301 is fixed with the inner wall of the machine body 1 by fixing springs 303 at two ends inside the ring sleeve 301 and a bottom clamping plate 302, so that the fixed installation between the machine body 1 and the ring sleeve 301 is realized, heat dissipation holes 304 formed in the surface of the ring sleeve 301 do not influence the heat dissipation of the surface of the machine body 1, and the whole machine body can be protected while not influencing the heat dissipation of equipment;

finally, design the structure for making things convenient for the dismouting between organism 1 and cover 4, inside cover 4 utilized the fixture block 501 card of one side to go into the draw-in groove 502 that organism 1 one side set up, back fixture block 501 utilized the first protruding grain 503 cooperation draw-in groove 502 on its surface to set up second protruding grain 504 to carry out the block, thereby realize the installation, need pull out cover 4 hard during the dismantlement and can make fixture block 501 break away from the inside of draw-in groove 502, accomplish the dismantlement, realize quick assembly disassembly, and then conveniently overhaul the operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a DC brushless motor for electric motor car with protective structure, includes organism (1) and cover (4), its characterized in that: the tail end of organism (1) is provided with cover (4), be provided with dismouting structure (5) between organism (1) and cover (4), dismouting structure (5) are including fixture block (501), draw-in groove (502), first protruding grain (503) and second protruding grain (504), one side of cover (4) is provided with three fixture blocks of group (501), three group draw-in grooves (502) have been seted up to one side of organism (1), fixture block (501) are inserted and are established the inside of draw-in groove (502), the surface of fixture block (501) is provided with first protruding grain (503), the inner wall of draw-in groove (502) be provided with first protruding grain (503) matched with second protruding grain (504).

2. The brushless dc motor for an electric vehicle having a guard structure according to claim 1, wherein: the head end of organism (1) is provided with joint structure (2), joint structure (2) are including increasing long axle (201), transmission shaft (202), slot (203), lug hole (204), locating piece (205), block spring (206) and flexible groove (207), the head end of organism (1) is provided with transmission shaft (202), flexible groove (207) have been seted up at the both ends of transmission shaft (202) one side, the inside of flexible groove (207) is fixed with block spring (206), the top of block spring (206) is fixed with locating piece (205), one side of transmission shaft (202) is provided with increases long axle (201).

3. The brushless dc motor for an electric vehicle having a guard structure according to claim 1, wherein: the outside cover of organism (1) is equipped with protective structure (3), protective structure (3) are including ring cover (301), splint (302), fixed spring (303) and louvre (304), the intermediate position department cover of organism (1) is equipped with ring cover (301), the both ends of ring cover (301) inner wall are fixed with fixed spring (303), louvre (304) have been seted up on the surface of ring cover (301).

4. The dc brushless motor with guard structure for electric vehicle according to claim 2, wherein: the novel extension shaft is characterized in that a slot (203) is formed in one side of the inside of the extension shaft (201), the transmission shaft (202) is inserted into the slot (203), protruding holes (204) are formed in two ends of one side of the outside of the extension shaft (201), the positioning block (205) penetrates through the protruding holes (204) and extends to two ends of the outside of the extension shaft (201), and the transmission shaft (202) and the protruding holes (204) in the extension shaft (201) form a clamping structure through the positioning block (205).

5. The brushless dc motor for an electric vehicle having a guard structure according to claim 3, wherein: the bottom end of fixed spring (303) is fixed with splint (302), splint (302) block is at the outer wall of organism (1), splint (302) are the symmetric distribution about the horizontal axis of organism (1).

6. The brushless dc motor for an electric vehicle having a guard structure according to claim 1, wherein: the first convex grain (503) and the second convex grain (504) are contacted, so that the width of the fixture block (501) is smaller than that of the fixture groove (502).