CN210927241U

CN210927241U - Claw pole of automobile generator

Info

Publication number: CN210927241U
Application number: CN201922276568.7U
Authority: CN
Inventors: 李铭
Original assignee: Zhejiang Xinbo Auto Parts Manufacturing Co ltd
Current assignee: Zhejiang Xinbo Auto Parts Manufacturing Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-07-03
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a claw utmost point of automobile power generation machine, including first claw utmost point and fix the second claw utmost point on first claw utmost point, the equipartition has a plurality of magnetic poles on first claw utmost point and the second claw utmost point, the magnetic pole mutual staggered arrangement of first claw utmost point and second claw utmost point, the elongated slot has been seted up along length direction's both sides to the magnetic pole, fixedly connected with magnetic stripe between two adjacent elongated slots between first claw utmost point and the second claw utmost point, still include fixed subassembly, fixed subassembly includes the fixed block, two lateral walls of fixed block respectively with the inner wall sliding connection of two elongated slots, the one end of fixed block and the one end butt of magnetic stripe, a plurality of recess has been seted up with elongated slot sliding connection's two outer wall symmetries to the fixed block, the stopper has been held to the recess internalization, be provided with the elastic component in the recess, the draw-in groove with the stopper joint has been seted up to the. The utility model has the advantages that improve magnetic stripe fixed mounting and extremely the steadiness on the claw.

Description

Claw pole of automobile generator

Technical Field

The utility model belongs to the technical field of the automobile power generation machine and specifically relates to a claw utmost point of automobile power generation machine is related to.

Background

Along with the increasing requirement of people on the comfort of the car, the requirement on the power of the generator is also increased; meanwhile, the requirement of people on the oil consumption of the car is more and more emphasized, so that the weight of each part is more and more severe in an automobile host factory. Based on the requirement of high power and light weight of the generator, a plurality of generator factories begin to research the hybrid excitation generator, and the hybrid excitation generator is different from a common generator in that a permanent magnet is embedded between front and rear claw poles of a generator rotor, so that the magnetic conductivity of the claw poles is greatly increased, and the output power and the efficiency of the generator are greatly increased.

The conventional generator is described in the patent of publication No. CN206820567U, and includes a rotor shaft, a first claw pole, a second claw pole, and a magnet exciting coil, wherein the first claw pole is directly fixed on the rotor shaft, the second claw pole is fixed on the first claw pole, magnetic poles of the first claw pole and the second claw pole are arranged in a staggered manner, two sides of an inner side wall of each magnetic pole are provided with a long groove along a length direction thereof, a magnet strip is fixed between two adjacent magnetic poles of the first claw pole and the second claw pole, and two sides of the magnet strip are fixed in the long grooves in an adhering manner.

The above prior art solutions have the following drawbacks: the magnetic strips are bonded in the long grooves, and other structures for fixing the magnetic strips are not arranged, so that the magnetic strips are possibly thrown out of the long grooves under the conditions that the motor rotates rapidly and the temperature is high, and the motor is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automobile power generation machine's claw utmost point, the advantage improves magnetic stripe fixed mounting and extremely the steadiness on the claw.

The above object of the present invention can be achieved by the following technical solutions:

a claw pole of an automobile generator comprises a first claw pole and a second claw pole fixed on the first claw pole, wherein a plurality of magnetic poles are uniformly distributed on the first claw pole and the second claw pole, the magnetic poles of the first claw pole and the second claw pole are arranged in a staggered mode, long grooves are formed in two sides of each magnetic pole along the length direction, a magnetic strip is fixedly connected between two adjacent long grooves between the first claw pole and the second claw pole, the claw pole fixing device further comprises a fixing assembly used for fixing the magnetic strip between the two long grooves, the fixing assembly comprises a fixing block, two outer side walls of the fixing block are respectively in sliding connection with the inner walls of the two long grooves, one end of the fixing block is abutted against one end of the magnetic strip, a plurality of grooves are symmetrically formed in two outer walls of the fixing block in sliding connection with the long grooves, a limiting block is movably accommodated in each groove, an elastic piece used for driving the limiting block to slide out of the groove along the inner wall, the fixed block is provided with a limiting component used for limiting the sliding of the limiting block.

Through adopting above-mentioned technical scheme, after magnetic stripe fixed mounting is in the elongated slot between first claw utmost point and the second claw utmost point, with the both sides outer wall of fixed block and the inner wall sliding connection of two elongated slots again, at the sliding connection's of fixed block and elongated slot in-process, when the one end of fixed block and magnetic stripe butt, the stopper is located the draw-in groove, the stopper receives the partial roll-off recess of elasticity of elastic component and draw-in groove joint, thereby with fixed block fixed mounting between two elongated slots, the fixed block carries out further spacing to the magnetic stripe, thereby improve the steadiness of magnetic stripe fixed mounting between two elongated slots. The limiting block is controlled to slide through the limiting part, so that the limiting block can conveniently leave the clamping groove, and the fixing block is detachably connected with the two long grooves.

The utility model discloses further set up to: the symmetrical recess quantity is two, and the elastic component is compression spring, compression spring's one end and the bottom fixed connection of recess, compression spring's the other end and stopper fixed connection.

Through adopting above-mentioned technical scheme, through two stopper respectively with the draw-in groove joint, can be with fixed block fixed mounting in two elongated slots, make fixed subassembly structure fairly simple, compression spring orders about stopper part roll-off recess through the elasticity of self.

The utility model discloses further set up to: the limiting assembly comprises a first pull rope and a second pull rope, two ends of the first pull rope respectively penetrate through two grooves and a limiting block, one end of the second pull rope is connected with the middle of the first pull rope, the other end of the second pull rope penetrates through the fixing block, and one end of the second pull rope penetrating through the fixing block is connected with a pull ring.

By adopting the technical scheme, when the fixing block needs to be detached from the long grooves, the pull ring is pulled to pull the first pull rope by the second pull rope, so that the two limiting blocks are driven to slide towards the inner wall of the groove, the limiting blocks leave the clamping grooves and are located in the groove, and then the fixing block is slid to leave the space between the two long grooves.

The utility model discloses further set up to: one side of the limiting block, which is far away from the groove, is provided with a cambered surface.

By adopting the technical scheme, when the fixed block slides into the two long grooves, the cambered surfaces of the two limiting blocks are respectively abutted against the edges of the two long grooves, and the limiting blocks automatically contract into the grooves in the abutting process, so that the fixed block can slide conveniently, and time and labor are saved.

The utility model discloses further set up to: the dead slot has been seted up to the one end of fixed block, and the pull ring is located the dead slot.

Through adopting above-mentioned technical scheme, through the dead slot, make the pull ring need not expose the surface of fixed block to increase the protection to the pull ring.

The utility model discloses further set up to: the fixed block includes first fixed block and second fixed block, and first fixed block and second fixed block can be dismantled and be connected, and stopper and compression spring and spacing subassembly all are located between first fixed block and the second fixed block.

Through adopting above-mentioned technical scheme, first fixed block and second fixed block can be dismantled and be connected, make things convenient for stopper and compression spring and spacing subassembly to install in the fixed block, when stopper and compression spring and the equal fixed mounting of spacing subassembly on first fixed block, again with second fixed block fixed mounting on first fixed can.

The utility model discloses further set up to: a plurality of screw holes are formed in the first fixing block, countersunk screws are connected to the screw holes in a threaded mode, a plurality of countersunk holes corresponding to the screw holes are formed in the second fixing block, and the countersunk screws penetrate through the countersunk holes and are connected with the screw holes in a threaded mode.

Through adopting above-mentioned technical scheme, through countersunk screw with first fixed block and second fixed block fixed mounting together to make the installation between first fixed block and the second fixed block simpler, labour saving and time saving.

To sum up, the utility model discloses a beneficial technological effect does:

1. through setting up stopper and elastic component, make fixed block and two elongated slots slide to with the magnetic stripe butt when, the elastic component can order about stopper roll-off recess and draw-in groove joint automatically to fix the fixed block between two elongated slots, improve the steadiness that the magnetic stripe was installed between two elongated slots.

2. The limiting block can leave the clamping groove through the limiting assembly, so that the fixing block can be conveniently and fixedly mounted or removed between the two long grooves, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic structural diagram of a prominent elongated slot in the present embodiment;

FIG. 3 is an exploded view of the magnetic strip installed in the elongated slot in accordance with the present embodiment;

FIG. 4 is a schematic vertical sectional view of the fixing assembly of the present embodiment;

FIG. 5 is an enlarged schematic view of the structure at A in FIG. 3;

fig. 6 is a schematic structural diagram highlighting the first fixed block and the second fixed block in the present embodiment.

Description of reference numerals: 1. a rotor shaft; 2. a first claw pole; 3. a second claw pole; 4. a magnetic pole; 5. a long groove; 51. a card slot; 6. a magnetic strip; 7. a fixed block; 71. a first fixed block; 711. a threaded hole; 72. a second fixed block; 721. a countersunk hole; 8. a groove; 9. a limiting block; 91. a cambered surface; 10. a compression spring; 11. a first pull cord; 12. a second pull cord; 13. a pull ring; 14. an empty groove; 15. a first chute; 16. a second chute; 17. countersunk head screw.

Detailed Description

Example (b):

a claw pole for a generator of a motor vehicle, as shown in fig. 1, comprises a first claw pole 2 and a second claw pole 3, the first claw pole 2 and the second claw pole 3 being applied to a rotor of an electric machine, the rotor of the electric machine comprising a rotor shaft 1. The first claw pole 2 is fixed to the rotor shaft 1, and the second claw pole 3 is fixed to the first claw pole 2.

As shown in fig. 1 and 2, magnetic poles 4 are uniformly distributed on the first claw pole 2 and the second claw pole 3, and elongated slots 5 are formed on two sides of the magnetic poles 4 along the length direction. When the magnetic poles 4 of the first claw pole 2 and the second claw pole 3 are arranged in a staggered mode, a magnetic strip 6 is bonded between two adjacent long grooves 5 of the first claw pole 2 and the second claw pole 3.

As shown in fig. 3, the fixing device further comprises a fixing component for fixing the magnetic strip 6 between the two long grooves, the fixing component comprises a fixing block 7, the outer walls of the two sides of the fixing block 7 are respectively connected with the inner walls of the two long grooves 5 in a sliding manner, and when the fixing block 7 slides into the two long grooves 5, one end of the fixing block 7, which is positioned in the two long grooves 5, is abutted to the magnetic strip 6.

As shown in fig. 4, two grooves 8 are symmetrically formed in the outer walls of two sides of the fixing block 7, which are slidably connected with the elongated slot 5, a limiting block 9 is slidably connected in the groove 8, and an arc surface 91 is formed on one side, away from the groove 8, of the limiting block 9. Still be provided with the elastic component that is used for ordering about stopper 9 part roll-off recess 8 in the recess 8, the elastic component is compression spring 10, and compression spring 10's one end bonds with the bottom of recess 8, and compression spring 10's the other end and stopper 9 fixed connection.

As shown in fig. 5, the inner sides of the two elongated slots 5 are respectively provided with a clamping groove 51 clamped with the limiting block 9, when the fixing block 7 slides into the elongated slot 5 and abuts against the magnetic stripe 6, part of the limiting block 9 is clamped with the clamping groove 51 due to the elastic force of the compression spring 10, so that the fixing block 7 is fixedly installed in the elongated slot 5.

As shown in fig. 4, the fixed block 7 is provided with a limiting component for limiting the sliding of the limiting block 9. The limiting assembly comprises a first pulling rope 11 and a second pulling rope 12, two ends of the first pulling rope 11 respectively penetrate through the groove 8 and the limiting block 9, the first pulling rope 11 is located at the center of the compression spring 10, one end of the second pulling rope 12 is fixedly connected with the middle of the first pulling rope 11, and the other end of the second pulling rope 12 penetrates through the fixing block 7 and is connected with a pulling ring 13. The fixed block 7 is provided with a hollow groove 14, and the pull ring 13 is positioned in the hollow groove 14.

As shown in fig. 4, sliding grooves for sliding the first pulling rope 11 and the second pulling rope 12 are formed in the fixed block 7, the sliding grooves include a first sliding groove 15 and a second sliding groove 16, and the first sliding groove 15 is slidably connected with the first pulling rope 11 and is respectively communicated with the two grooves 8. The second runner 16 is slidably connected to the second rope 12 and is in communication with the empty slot 14. The first slide groove 15 and the second slide groove 16 are vertically connected and communicated with each other. The joint of the first sliding chute 15 and the second sliding chute 16 is an arc surface 91, so that the first pull rope 11 is conveniently pulled by the second pull rope 12.

As shown in fig. 6, the fixing block 7 includes a first fixing block 71 and a second fixing block 72, and the first fixing block 71 and the second fixing block 72 are detachably connected. The first fixing block 71 is provided with a plurality of threaded holes 711, the threaded holes 711 are in threaded connection with countersunk screws 17, the second fixing block 72 is provided with a plurality of countersunk holes 721 corresponding to the threaded holes 711, and the countersunk screws 17 penetrate through the countersunk holes 721 to be in threaded connection with the threaded holes 711. The limiting block 9, the compression spring 10 and the limiting assembly are positioned between the first fixing block 71 and the second fixing block 72.

The installation process of the fixing component and the limiting component comprises the following steps: firstly, one ends of the two compression springs 10 are respectively arranged on one side of the limiting blocks 9, and then the two ends of the first pull rope 11 are respectively and fixedly connected to the central position of one side of the two limiting blocks 9 connected with the compression springs 10. The limiting block 9 and the compression springs 10 are placed in the groove 8, the other ends of the two compression springs 10 are fixedly connected with the bottom of the groove 8 respectively, and the first pull rope 11 is located in the first sliding groove 15. One end of the second pull rope 12 is fixedly connected with the middle part of the first pull rope 11 and is positioned in the second sliding chute 16. The other end of the second pulling rope 12 passes through the second sliding chute 16 and is connected with the pulling ring 13. When the fixing assembly and the limiting assembly are both mounted on the first fixing block 71, the second fixing block 72 is fixedly connected with the first fixing block 71.

The application process of the implementation is as follows:

when the magnetic stripe 6 is bonded in the two adjacent long grooves 5 of the first claw pole 2 and the second claw pole 3, the fixing block 7 slides into the two long grooves 5, the limiting block 9 is abutted to the edge of the long groove 5 through the arc surface 91, the limiting block 9 can automatically contract into the groove 8 in the abutting process, after the fixing block 7 is abutted to the magnetic stripe 6, the limiting block 9 slides to the clamping groove 51, and the limiting block 9 can be clamped with the clamping groove 51 under the driving of the self elasticity of the compression spring 10. The fixing block 7 is fixedly connected between the two long grooves 5 through the limiting block 9 and the clamping groove 51, so that the magnetic strip 6 is further fixed between the two long grooves 5, and the possibility that the magnetic strip 6 is thrown out of the long grooves 5 is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an automobile power generation machine's claw utmost point, includes first claw utmost point (2) and fixes second claw utmost point (3) on first claw utmost point (2), and the equipartition has a plurality of magnetic poles (4) on first claw utmost point (2) and second claw utmost point (3), and magnetic pole (4) the staggered arrangement each other of first claw utmost point (2) and second claw utmost point (3), elongated slot (5), its characterized in that have been seted up along length direction's both sides in magnetic pole (4): fixedly connected with magnetic stripe (6) between two adjacent elongated slots (5) between first claw utmost point (2) and second claw utmost point (3), still including being used for fixing magnetic stripe (6) the fixed subassembly between two elongated slots (5), fixed subassembly includes fixed block (7), two lateral walls of fixed block (7) respectively with the inner wall sliding connection of two elongated slots (5), the one end of fixed block (7) and the one end butt of magnetic stripe (6), a plurality of recess (8) have been seted up to fixed block (7) and elongated slot (5) sliding connection's two outer wall symmetries, recess (8) internalization has held stopper (9), be provided with in recess (8) and be used for ordering about stopper (9) along the elastic component of recess (8) inner wall part roll-off recess (8), draw-in groove (51) with stopper (9) joint is seted up to the inner wall of elongated slot (5), be provided with on fixed block (7) and be used for injecing the gliding spacing subassembly of stopper (9).

2. The claw pole of the generator for the automobile according to claim 1, wherein: the number of the symmetrical grooves (8) is two, the elastic piece is a compression spring (10), one end of the compression spring (10) is fixedly connected with the bottom of the groove (8), and the other end of the compression spring (10) is fixedly connected with the limiting block (9).

3. The claw pole of the generator for the automobile as set forth in claim 2, wherein: the limiting assembly comprises a first pull rope (11) and a second pull rope (12), two ends of the first pull rope (11) penetrate through two grooves (8) and a limiting block (9) to be fixedly connected, one end of the second pull rope (12) is connected with the middle of the first pull rope (11), the other end of the second pull rope (12) penetrates through the fixing block (7), and one end, penetrating out of the fixing block (7), of the second pull rope (12) is connected with a pull ring (13).

4. The claw pole of the generator for the automobile as set forth in claim 3, wherein: one side of the limiting block (9) far away from the groove (8) is provided with an arc surface (91).

5. The claw pole of the automobile generator according to claim 4, wherein: one end of the fixed block (7) is provided with a hollow groove (14), and the pull ring (13) is positioned in the hollow groove (14).

6. The claw pole of the generator for the automobile as set forth in claim 5, wherein: the fixing block (7) comprises a first fixing block (71) and a second fixing block (72), the first fixing block (71) and the second fixing block (72) are detachably connected, and the limiting block (9), the compression spring (10) and the limiting assembly are located between the first fixing block (71) and the second fixing block (72).

7. The claw pole of the automobile generator according to claim 6, wherein: the first fixing block (71) is provided with a plurality of threaded holes (711), the threaded holes (711) are in threaded connection with countersunk screws (17), the second fixing block (72) is provided with a plurality of countersunk holes (721) corresponding to the threaded holes (711), and the countersunk screws (17) penetrate through the countersunk holes (721) to be in threaded connection with the threaded holes (711).