CN218992184U

CN218992184U - Heat dissipation type brake drum

Info

Publication number: CN218992184U
Application number: CN202223402360.3U
Authority: CN
Inventors: 王凤华
Original assignee: Sichuan Jian Resistant Auto Parts Manufacturing Co ltd
Current assignee: Sichuan Jian Resistant Auto Parts Manufacturing Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-09
Anticipated expiration: 2032-12-19

Abstract

The utility model relates to the technical field of brake drums, in particular to a heat dissipation type brake drum. The heat dissipation device comprises a drum body, wherein a plurality of heat dissipation blocks are fixedly connected to the arc surface of the drum body, heat dissipation holes are formed in the heat dissipation blocks and the inner wall of the drum body, a flange is arranged on one side of the drum body, an auxiliary structure is arranged in the heat dissipation holes, the auxiliary structure comprises two aluminum columns, the two aluminum columns are arranged in the heat dissipation holes, an upper aluminum disc and a lower aluminum disc are fixedly connected to the arc surface of the joint of the two aluminum columns respectively, a plurality of limiting blocks are fixedly connected to the arc surface of the aluminum columns, a shaft rod is rotatably connected to the inner wall of each limiting block, an aluminum rod is fixedly connected to the arc surface of the shaft rod and is abutted to the heat dissipation holes, and a clamping plate is fixedly connected to the arc surface of the upper aluminum disc. The problem that blockage is easy to occur when radiating the heat of the radiating holes in the radiating process of the brake drum is solved.

Description

Heat dissipation type brake drum

Technical Field

The utility model relates to the technical field of brake drums, in particular to a heat dissipation type brake drum.

Background

Automotive brakes are generally divided into two types, drum brakes and disc brakes, wherein drum brakes are commonly used for rear wheel braking of automobiles.

The prior art, such as the utility model with publication number CN208951177U, discloses a heat dissipation type brake drum, which adopts a plurality of heat dissipation through holes I arranged on the side wall of a brake drum body, a flange is also arranged on the brake drum body, and a plurality of connecting round holes are arranged on the flange; the heat dissipation ring is arranged on the outer side wall of the brake drum body, a plurality of heat dissipation blocks are arranged on the outer side wall of the heat dissipation ring, a second heat dissipation through hole is formed in each heat dissipation block, and a threaded through hole corresponding to the position of the connecting round hole is formed in the end face of the heat dissipation ring; the brake drum body and the heat dissipation ring are fixed into a whole by bolts penetrating through the connecting round holes and the threaded through holes; after the brake drum body and the heat dissipation ring are connected and fixed, the positions of the first heat dissipation holes and the second heat dissipation holes correspond; when the brake drum body drives the heat dissipation ring to rotate, the linear speed of the two orifices of the heat dissipation holes is greater than that of the first orifice of the heat dissipation hole, and heat and worn particles in the brake drum body can be automatically discharged, so that the obvious defect of the drum brake compared with a disc brake is overcome, the heat dissipation effect is poor, the abrasion of friction plates on the brake drum and the brake shoe is easily accelerated due to the poor heat dissipation effect, braking failure is easily caused due to the overhigh temperature, and the problem of safety accidents is solved.

The inventor finds that in daily work, the problem that the radiating holes are easy to be blocked when radiating in the radiating process of radiating the radiating holes exists in the radiating process of radiating the brake drum.

Disclosure of Invention

The utility model provides a heat dissipation type brake drum, which aims to solve the defect that heat dissipation holes are easy to block in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a heat dissipation formula brake drum, includes the drum body, the arc surface fixedly connected with a plurality of heat dissipation piece of drum body, the louvre is all seted up with the inner wall of drum body to the heat dissipation piece, one side of drum body is equipped with the flange, the inside of louvre is equipped with auxiliary structure, auxiliary structure includes two aluminium posts, two the aluminium post sets up in the louvre, two the arc surface of aluminium post junction all is fixedly connected with respectively and goes up aluminium dish and lower aluminium dish, the arc surface fixedly connected with of aluminium post a plurality of stopper, a plurality of the inner wall rotation of stopper is connected with the axostylus axostyle, the arc surface fixedly connected with aluminium pole of axostylus axostyle, aluminium pole and louvre looks joint, go up the arc surface fixedly connected with cardboard of aluminium dish, cardboard and last aluminium dish looks joint.

The effects achieved by the components are as follows: when the heat dissipation holes are required to be prevented from being blocked and the heat dissipation strength is improved, the aluminum column is pulled to drive the upper aluminum disc to be attached to the lower aluminum disc, then the clamping plate is clamped into the lower aluminum column to be attached, then the auxiliary structure is installed into the heat dissipation holes, and the aluminum rod is pulled to be attached to the heat dissipation holes to support the aluminum column.

Preferably, the inner wall fixedly connected with two iron blocks of last aluminium dish, the inner wall fixedly connected with two magnetic path of lower aluminium dish, the iron block adsorbs with the magnetic path mutually.

The effects achieved by the components are as follows: when the upper aluminum plate and the lower aluminum plate are bonded, the magnetic blocks are adsorbed with the iron blocks, so that the clamping plate and the lower aluminum plate are clamped more stably.

Preferably, an anti-slip pad is fixedly connected to one side of the aluminum rod, which is close to the heat dissipation hole, and the anti-slip pad is a silica gel pad.

The effects achieved by the components are as follows: the friction force between the aluminum rod and the radiating hole can be increased by the anti-slip pad, so that the aluminum rod is more stable when being supported.

Preferably, the arc surfaces at two ends of the shaft rod are sleeved with coil springs, and two ends of each coil spring are fixedly connected with the limiting block and the aluminum rod respectively.

The effects achieved by the components are as follows: when the aluminum column is required to be installed, the aluminum rod is pulled to drive the coil spring to stretch, then the aluminum column is placed in the aluminum column, and the aluminum rod coil spring is loosened to shrink to drive the aluminum rod to be attached to the radiating hole for supporting.

Preferably, one side of the flange, which is close to the drum body, is provided with a connecting structure, the connecting structure comprises a plurality of round rods, the round rods are fixedly connected with the flange, one side of the drum body, which is close to the flange, is provided with a plurality of round grooves, the round grooves are in sliding connection with the round rods, two clamping grooves are formed in the inner walls of the round grooves, two elastic sheets are fixedly connected with the arc surfaces of the round rods, and the elastic sheets are in clamping connection with the clamping grooves.

The effects achieved by the components are as follows: when the aged flange is detached to install the new flange, the flange is pulled to drive the round rod to move, then the round rod is aligned with the round groove, then the round rod is inserted into the round groove, the elastic sheet contracts, and after the elastic sheet reaches a proper position, the elastic sheet is fixedly clamped into the clamping groove to be fixed.

Preferably, the inner wall of the circular groove is fixedly connected with an anti-slip sleeve, and the cross section of the anti-slip sleeve is circular.

The effects achieved by the components are as follows: the anti-skid sleeve can increase the friction between the round rod and the round groove, so that the round rod can be inserted into the round groove to be fixed more firmly.

Preferably, a spring is fixedly connected in the round groove, and the other end of the spring is abutted against the round rod.

The effects achieved by the components are as follows: the round rod drives the spring to shrink when being inserted, and after the elastic sheet is clamped into the clamping groove, the reaction force of the spring enables the elastic sheet to be clamped with the clamping groove more firmly.

In summary, the beneficial effects of the utility model are as follows:

according to the utility model, when the heat dissipation holes are required to be prevented from being blocked and the heat dissipation strength is improved, the aluminum column is pulled to drive the upper aluminum disc to be attached to the lower aluminum disc, the magnetic block is adsorbed to the iron block when the upper aluminum disc is attached to the lower aluminum disc, then the clamping plate is clamped into the lower aluminum column to be attached, then the auxiliary structure is arranged in the heat dissipation holes, when the aluminum column is required to be arranged in, the aluminum rod is pulled to drive the coil spring to stretch, then the aluminum column is arranged, the aluminum rod coil spring is loosened to shrink to drive the aluminum rod to be attached to the heat dissipation holes to be supported, wherein the anti-slip pad can increase the friction force between the aluminum rod and the heat dissipation holes, and the effect of enabling the heat dissipation holes to be better is achieved by arranging the auxiliary structure.

According to the flange fixing device, when the aged flange is required to be detached to install a new flange, the flange is pulled to drive the round rod to move, then the round rod is aligned with the round groove, then the round rod is inserted into the round groove, the elastic sheet is contracted, after the round rod reaches a proper position, the elastic sheet is fixedly clamped into the clamping groove to be fixed, wherein the anti-skid sleeve can increase friction force between the round rod and the round groove, the round rod drives the spring to contract when being inserted, and after the elastic sheet is clamped into the clamping groove, the elastic sheet is clamped with the clamping groove more firmly due to the reaction force of the spring, and the effect of conveniently replacing the flange is achieved through the arrangement of the connecting structure.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of an auxiliary structure of the present utility model;

FIG. 3 is an enlarged view at A of FIG. 2;

FIG. 4 is an enlarged view at B of FIG. 2;

fig. 5 is a schematic diagram of a connection structure according to the present utility model.

Legend description: 1. a drum body; 2. a heat dissipation block; 3. a flange; 4. a heat radiation hole; 5. an auxiliary structure; 501. an aluminum column; 502. an aluminum rod; 503. an aluminum plate is arranged; 504. an aluminum plate is arranged; 505. a magnetic block; 506. iron blocks; 507. an anti-slip pad; 508. a limiting block; 509. a coil spring; 510. a shaft lever; 6. a connection structure; 61. a clamping groove; 62. a spring; 63. an anti-skid sleeve; 64. a circular groove; 65. a round bar; 66. an elastic sheet.

Detailed Description

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a heat dissipation formula brake drum, includes drum body 1, the circular arc face fixedly connected with a plurality of radiating block 2 of drum body 1, radiating hole 4 is all seted up to the inner wall of radiating block 2 and drum body 1, and one side of drum body 1 is equipped with flange 3, and the inside of radiating hole 4 is equipped with auxiliary structure 5, and one side that flange 3 is close to drum body 1 is equipped with connection structure 6.

The specific arrangement and function of the auxiliary structure 5 and the connection structure 6 will be described in detail below.

Referring to fig. 2, in this embodiment: the auxiliary structure 5 comprises two aluminum columns 501, the two aluminum columns 501 are arranged in a radiating hole 4, the arc surfaces at the joint of the two aluminum columns 501 are fixedly connected with an upper aluminum disk 504 and a lower aluminum disk 503 respectively, the arc surfaces of the aluminum columns 501 are fixedly connected with a plurality of limiting blocks 508, the inner walls of the limiting blocks 508 are rotationally connected with a shaft lever 510, the arc surfaces of the shaft lever 510 are fixedly connected with an aluminum rod 502, the aluminum rod 502 is abutted with the radiating hole 4, the arc surfaces of the upper aluminum disk 504 are fixedly connected with a clamping plate, the clamping plate is clamped with the upper aluminum disk 504, when the radiating hole 4 is required to be prevented from being blocked and the radiating strength is improved, the aluminum column 501 is pulled to drive the upper aluminum disk 504 to be jointed with the lower aluminum disk 503, then the clamping plate is clamped into the lower aluminum column 501 to be jointed, then the auxiliary structure 5 is arranged in the radiating hole 4, the aluminum rod 502 is pulled to be jointed with the radiating hole 4 to support the aluminum column 501, the inner wall fixedly connected with two iron blocks 506 of last aluminium dish 504, the inner wall fixedly connected with two magnetic blocks 505 of lower aluminium dish 503, iron blocks 506 adsorb with magnetic blocks 505 mutually, when last aluminium dish 504 and lower aluminium dish 503 carry out the laminating, magnetic blocks 505 adsorb with iron blocks 506, make cardboard and lower aluminium dish 503 joint more stable, one side that aluminium pole 502 is close to louvre 4 fixedly connected with slipmat 507, slipmat 507 is the silica gel pad, slipmat 507 can increase aluminium pole 502 and louvre 4 frictional force, make aluminium pole 502 more stable when supporting, the arc surface at axostylus axostyle 510 both ends all overlaps coil spring 509, coil spring 509's both ends respectively with stopper 508 and aluminium pole 502 fixed connection, pull aluminium pole 502 and drive coil spring 509 and stretch when needs to pack into aluminium pole 501, then put into aluminium pole 501, loosen aluminium pole 502 and shrink and drive aluminium pole 502 and louvre 4 laminating and support.

Referring to fig. 5, in this embodiment: the connection structure 6 includes a plurality of round bar 65, a plurality of round bar 65 and flange 3 fixed connection, a plurality of round groove 64 has been seted up to one side that drum body 1 is close to flange 3, a plurality of round groove 64 and round bar 65 sliding connection, two draw-in grooves 61 have been seted up to the inner wall of round groove 64, the circular arc surface fixedly connected with of round bar 65 two elastic pieces 66, elastic piece 66 and draw-in groove 61 looks joint, when need pull flange 3 to ageing and install new flange 3, pull flange 3 and drive round bar 65 and remove, then with round bar 65 and round groove 64 alignment, then insert round bar 65 in the round groove 64, elastic piece 66 contracts, after reaching suitable position, elastic piece 66 carries out the fixed fastening in draw-in groove 61, the inner wall fixedly connected with anti-skidding sleeve 63 of round groove 64, the cross-section of anti-skidding sleeve 63 is circular, friction between round bar 65 and the round groove 64 can increase, make round bar 65 insert round groove 64 in fixed more firm, the inside fixedly connected with spring 62 of round groove 64, one end of spring 62 and spring 62 drive round bar 65, when inserting into the elastic piece 66, in addition, make elastic piece 66 contract when the back-connecting with spring 65, make the round bar 62 in the card 61.

Working principle: in the utility model, when the heat dissipation holes 4 are required to be prevented from being blocked and the heat dissipation intensity is improved, the aluminum column 501 is pulled to drive the upper aluminum plate 504 to be attached to the lower aluminum plate 503, when the upper aluminum plate 504 is attached to the lower aluminum plate 503, the magnetic block 505 is adsorbed to the iron block 506, then the clamping plate is clamped into the lower aluminum column 501 to be attached, then the auxiliary structure 5 is arranged in the heat dissipation holes 4, when the aluminum column 501 is required to be arranged in, the aluminum column 501 is pulled to drive the coil spring 509 to stretch, then the aluminum column 501 is arranged, the aluminum column 502 coil spring 509 is released to shrink to drive the aluminum column 502 to be attached to the heat dissipation holes 4 for supporting, wherein the anti-slip pad 507 can increase the friction force between the aluminum column 502 and the heat dissipation holes 4, and the effect of better heat dissipation effect of the heat dissipation holes 4 is achieved by arranging the auxiliary structure 5.

In the utility model, when the aged flange 3 is required to be detached to mount a new flange 3, the flange 3 is pulled to drive the round rod 65 to move, then the round rod 65 is aligned with the round groove 64, then the round rod 65 is inserted into the round groove 64, the elastic sheet 66 is contracted, after the round rod 65 reaches a proper position, the elastic sheet 66 is fixedly clamped into the clamping groove 61 to be fixed, wherein the anti-skid sleeve 63 can increase the friction force between the round rod 65 and the round groove 64, the round rod 65 drives the spring 62 to contract when being inserted, and after the elastic sheet 66 is clamped into the clamping groove 61, the reaction force of the spring 62 enables the elastic sheet 66 and the clamping groove 61 to be clamped more firmly, and the effect of conveniently replacing the flange 3 is achieved by arranging the connecting structure 6.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Claims

1. Heat dissipation formula brake drum, including drum body (1), its characterized in that: the utility model discloses a heat dissipation device for the aluminum disc comprises a drum body (1), a plurality of radiating blocks (2) are fixedly connected with to the drum body (1), radiating holes (4) are all seted up to the inner wall of radiating blocks (2) and drum body (1), one side of drum body (1) is equipped with flange (3), the inside of radiating holes (4) is equipped with auxiliary structure (5), auxiliary structure (5) include two aluminium posts (501), two aluminium posts (501) set up in radiating holes (4), two the equal fixedly connected with of arc surface of aluminium post (501) junction goes up aluminium disc (504) and lower aluminium disc (503), the arc surface fixedly connected with of aluminium post (501) a plurality of stopper (508), a plurality of the inner wall rotation of stopper (508) is connected with axostylus axostyle (510), the arc surface fixedly connected with aluminium pole (502) of axostyle (510), aluminium pole (502) and radiating holes (4) looks butt, the arc surface fixedly connected with cardboard of going up aluminium disc (504), cardboard and last aluminium disc (504) looks joint.

2. A heat dissipating brake drum according to claim 1, wherein: the inner wall fixedly connected with two iron blocks (506) of last aluminium dish (504), the inner wall fixedly connected with two magnetic path (505) of lower aluminium dish (503), iron block (506) adsorb with magnetic path (505) mutually.

3. A heat dissipating brake drum according to claim 1, wherein: one side of the aluminum rod (502) close to the heat dissipation hole (4) is fixedly connected with an anti-slip pad (507), and the anti-slip pad (507) is a silica gel pad.

4. A heat dissipating brake drum according to claim 1, wherein: the arc surfaces at two ends of the shaft lever (510) are sleeved with coil springs (509), and two ends of each coil spring (509) are fixedly connected with the limiting block (508) and the aluminum rod (502) respectively.

5. A heat dissipating brake drum according to claim 1, wherein: one side that flange (3) is close to drum body (1) is equipped with connection structure (6), connection structure (6) include a plurality of round bar (65), a plurality of round bar (65) and flange (3) fixed connection, a plurality of circular slot (64) have been seted up to one side that drum body (1) is close to flange (3), a plurality of circular slot (64) and round bar (65) sliding connection, two draw-in grooves (61) have been seted up to the inner wall of circular slot (64), two elastic pieces (66) of arc surface fixedly connected with of circular bar (65), elastic piece (66) and draw-in groove (61) looks joint.

6. A heat dissipating brake drum according to claim 5, wherein: the inner wall of the round groove (64) is fixedly connected with an anti-slip sleeve (63), and the cross section of the anti-slip sleeve (63) is circular.

7. A heat dissipating brake drum according to claim 5, wherein: the inside fixedly connected with spring (62) of circular slot (64), the other end and circular rod (65) butt of spring (62).