CN210484472U

CN210484472U - Integrally cast brake drum

Info

Publication number: CN210484472U
Application number: CN201921331242.3U
Authority: CN
Inventors: 李大成; 李广建; 吴根福
Original assignee: Shandong Zhengyang Technology Co Ltd
Current assignee: Shandong Zhengyang Technology Co Ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-05-08
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses a whole casting formula brake drum, including the drum body, a plurality of air channels have been seted up in the lateral wall of the drum body run through, every the equal symmetrical welding of air channel inner wall has two sets of spacing springs, every group spacing spring is kept away from the one end that corresponds the air channel inner wall and is all welded the limiting plate, every the limiting plate is kept away from the one end that corresponds spacing spring and is all welded a plurality of fixture blocks, every the bottom of air channel all is equipped with the enhancement device that is used for improving drum body intensity, every the top of air channel all is equipped with adsorption equipment. In the device, the design of the vent grooves ensures that the heat dissipation capacity of the drum body is greatly improved under the blowing of wind power, the influence of high temperature on the strength in the braking process can be avoided, the heat dissipation efficiency of the braking process is enhanced, the bearing capacity of the drum body to the continuous braking process is improved, and the service quality and the service life of the drum body are improved.

Description

Integrally cast brake drum

Technical Field

The utility model relates to a brake drum technical field especially relates to an integral casting formula brake drum.

Background

At present, the wheel brake of a medium-sized automobile in China generally comprises a bottom plate, a bracket, a shoe frame, a friction plate, a brake drum and other parts, wherein the brake drum is a part which is directly contacted with a wheel and the friction plate and directly applies braking force to the wheel.

When the brake works continuously, the temperature of the brake drum rises, and the surface temperature of the friction plate also rises, so that the brake drum deforms or the friction plate is aged in advance, and the braking effect of the brake is influenced; the existing brake drum has poor heat dissipation capability and does not have the capability of rapid heat dissipation, so that the strength of the brake drum is reduced after the brake drum is heated, and the service life of the brake drum is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming of poor heat dissipation existing in the prior art and providing an integrally cast brake drum.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an integral casting formula brake drum, includes the drum body, a plurality of air channels have been seted up in the lateral wall of the drum body runs through, every the equal symmetrical welding of air channel inner wall has two sets of spacing springs, every group the limiting plate has all been welded to the one end that corresponds the air channel inner wall is kept away from to spacing spring, every the limiting plate is kept away from the one end that corresponds spacing spring and has all been welded a plurality of fixture blocks, every the bottom of air channel all is equipped with the enhancement device that is used for improving drum body intensity, every the top of air channel all is equipped with adsorption equipment.

Preferably, strengthen the device and include the adsorption block, the adsorption block has a plurality of connecting spring with the common welding of the one end inner wall that is close to drum body center of air channel a plurality of draw-in grooves have been seted up to the both ends lateral wall symmetry of adsorption block, and is a plurality of draw-in groove and a plurality of fixture block one-to-one, the inner wall of every draw-in groove all offsets with corresponding fixture block.

Preferably, the one end welding of keeping away from drum body center of fixture block has the boss, the inner wall welding of boss has a plurality of strengthening ribs, a plurality of air vents have been seted up to the lateral wall of boss.

Preferably, one end of the adsorption block close to the center of the drum body is rotatably connected with a rotating blade through a bearing, and the rotating blade is abutted against the inner bottom of the vent groove.

Preferably, the adsorption device comprises a plurality of sliders, a plurality of communication holes communicated with the vent grooves are formed in the side wall of the drum body, the plurality of sliders correspond to the plurality of communication holes one to one, and each slider is connected with the inner wall of the corresponding communication hole in a sliding mode.

Preferably, each slider is close to the one end at drum body center and all has welded the suction piece, every the one end that the suction piece is kept away from drum body center all has welded a plurality of return springs with the inner wall of air channel jointly.

Compared with the prior art, the utility model has the advantages of:

1. in the device, the design of the vent grooves ensures that the heat dissipation capacity of the drum body is greatly improved under the blowing of wind power, the influence of high temperature on the strength in the braking process can be avoided, the heat dissipation efficiency of the braking process is enhanced, the bearing capacity of the drum body to the continuous braking process is improved, and the service quality and the service life of the drum body are improved.

2. In this device, by the design of adsorbing the piece, receive the extrusion through braking in-process slider and realize the promotion to the absorption piece, and then realized adsorbing the removal of piece for the reinforcing block can supply the outer end braking position at the braking in-process, improves the intensity of braking position, avoids the too big drum body damage that leads to of pressure.

Drawings

Fig. 1 is a schematic structural diagram of an integrally cast brake drum according to the present invention.

Fig. 2 is a side sectional view of an integrally cast brake drum according to the present invention.

Fig. 3 is an enlarged schematic view of a portion a of fig. 1.

Fig. 4 is an enlarged schematic view of a portion B in fig. 2.

In the figure: 1 drum body, 2 air grooves, 3 intercommunicating pores, 4 limiting springs, 5 limiting plates, 6 clamping blocks, 7 adsorbing blocks, 8 clamping grooves, 9 sliding blocks, 10 return springs, 11 adsorbing blocks, 12 rotating blades, 13 reinforcing blocks, 14 reinforcing ribs and 15 air holes.

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.

Referring to fig. 1-4, an integrally cast formula brake drum, including the drum body 1, a plurality of air channels 2 have been seted up in the lateral wall of the drum body 1 through running through, the equal symmetrical welding of 2 inner walls of every air channel has two sets of spacing springs 4, the equal welding of one end that corresponds 2 inner walls of air channel is kept away from to every spacing spring 4 of group has limiting plate 5, the one end that corresponds spacing spring 4 is kept away from to every limiting plate 5 has all welded a plurality of fixture blocks 6, the bottom of every air channel 2 all is equipped with the enhancement device that is used for improving 1 intensity of drum body, the top of every air channel 2 all is equipped with adsorption equipment.

Strengthen the device and including adsorbing the piece 7, adsorb the piece 7 and have been seted up a plurality of draw-in grooves 8 with the common welding of the one end inner wall that is close to drum body 1 center of air duct 2 both ends lateral wall symmetry that adsorbs piece 7 of a plurality of connecting spring 16, a plurality of draw-in grooves 8 and a plurality of fixture block 6 one-to-one, every draw-in groove 8's inner wall all offsets with corresponding fixture block 6, can realize adsorbing the stable removal of piece 7 under the guide effect of fixture block 6, and make adsorbing the piece 7 obtain certain clamp and press from both sides tightly spacing under limiting spring 4's effect, improve adsorbing the stability of piece 7.

One end of the fixture block 6, which is far away from the center of the drum body 1, is welded with a reinforcing block 13, the inner wall of the reinforcing block 13 is welded with a plurality of reinforcing ribs 14, so that the overall strength is improved, and the side wall of the reinforcing block 13 is provided with a plurality of vent holes 15, so that the heat dissipation efficiency in the braking process is improved; one end of the adsorption block 7 close to the center of the drum body 1 is rotatably connected with a rotating blade 12 through a bearing, the rotating blade 12 is abutted against the inner bottom of the air duct 2, the rotating blade 12 continuously rotates under the action of wind power and accelerates the air flow inside the air duct 2, and the rapid heat dissipation inside the air duct 2 in the braking process is realized.

Adsorption equipment includes a plurality of sliders 9, and a plurality of intercommunicating pores 3 that communicate with air channel 2 have been seted up to the lateral wall of drum body 1, a plurality of sliders 9 and a plurality of intercommunicating pores 3 one-to-one, and every slider 9 all with the inner wall sliding connection who corresponds intercommunicating pore 3.

Every slider 9 is close to the one end at drum body 1 center and all has welded attraction piece 11, attraction piece 11 is the permanent magnet, every attraction piece 11 keeps away from the one end at drum body 1 center and all has welded a plurality of return spring 10 with the inner wall of air channel 2 jointly and move to air channel 2 inside at slider 9 in braking process, realize being close to and attracting the attraction piece 7 to attraction piece 11, realize the enhancement to drum body 1 braking position, avoid drum body 1 to damage, improve drum body 1's life.

In the process of braking the vehicle, the part of the sliding block 9, which is positioned outside the drum body 1, is firstly extruded and stretches the return spring 10 to slide towards the inside of the vent groove 2, so that the suction block 11 is close enough to the suction block 7, the suction block 7 can move towards the position of the suction block 11 along the fixture block 6, the reinforcing block 13 is abutted against one side, which is far away from the center of the drum body 1, of the vent groove 2, the reinforcement of the pressed side of the drum body 1 is realized, the situation that the pressed position of the drum body 1 is sunken towards the inside of the vent groove 2 to cause brake failure is avoided, the reinforcing block 13 transmits heat generated by braking of the outer wall of the drum body 1 into the vent groove 2, the heat is directly taken away by wind power generated in the process of traveling the vehicle, the heat generated in the braking process can be directly transmitted into the vent groove 2 through the communication hole 3, the timely dissipation of the heat in the braking process is realized, and simultaneously the wind power drives the rotating vane 12, the timely and effective heat dissipation is ensured, the damage to the drum body 1 in the braking process is reduced, and the service life of the drum body 1 is prolonged.

After braking, the sliding block 9 is reset under the elastic action of the return spring 10, so that the attraction force on the adsorption block 7 is reduced, the adsorption block 7 is reset under the elastic action of the connecting spring 16, the maximum ventilation space of the ventilation groove 2 is realized, and timely and rapid heat dissipation of the drum body 1 after braking is ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a whole casting formula brake drum, includes the drum body (1), its characterized in that, a plurality of air channels (2), every have been seted up in the lateral wall of the drum body (1) the equal symmetrical welding of air channel (2) inner wall has two sets of spacing spring (4), every group spacing spring (4) are kept away from the one end that corresponds air channel (2) inner wall and are all welded limiting plate (5), every limiting plate (5) are kept away from the one end that corresponds spacing spring (4) and are all welded a plurality of fixture blocks (6), every the bottom of air channel (2) all is equipped with the enhancement device that is used for improving drum body (1) intensity, every the top of air channel (2) all is equipped with adsorption equipment.

2. The integrally cast brake drum according to claim 1, wherein the reinforcing device comprises an adsorption block (7), the adsorption block (7) and an inner wall of one end of the vent groove (2) close to the center of the drum body (1) are welded together with a plurality of connecting springs (16), a plurality of clamping grooves (8) are symmetrically formed in side walls of two ends of the adsorption block (7), the clamping grooves (8) correspond to the clamping blocks (6) one to one, and an inner wall of each clamping groove (8) abuts against the corresponding clamping block (6).

3. The integrally cast brake drum as claimed in claim 2, wherein a reinforcing block (13) is welded to one end of the fixture block (6) far away from the center of the drum body (1), a plurality of reinforcing ribs (14) are welded to the inner wall of the reinforcing block (13), and a plurality of vent holes (15) are formed in the side wall of the reinforcing block (13).

4. A one-piece cast brake drum according to claim 2, wherein the end of the suction block (7) near the center of the drum body (1) is rotatably connected with a rotating vane (12) through a bearing, and the rotating vane (12) is abutted against the inner bottom of the vent groove (2).

5. The integrally cast brake drum according to claim 1, wherein the adsorption device comprises a plurality of sliding blocks (9), the side wall of the drum body (1) is provided with a plurality of communication holes (3) communicated with the vent groove (2), the plurality of sliding blocks (9) correspond to the plurality of communication holes (3) one by one, and each sliding block (9) is connected with the inner wall of the corresponding communication hole (3) in a sliding manner.

6. A one-piece cast brake drum as claimed in claim 5, wherein each slider (9) has an end near the center of the drum body (1) welded with an attraction block (11), and each attraction block (11) has an end far from the center of the drum body (1) welded with the inner wall of the vent groove (2) with a plurality of return springs (10).