Brake with overheating clearance self-adjusting protection function

Abstract

The utility model relates to the technical field of brakes, and discloses an overheating clearance self-adjusting protection brake which comprises a brake drum, a brake shoe assembly is installed in the brake drum, the brake shoe assembly comprises a brake shoe body, the outer side face of the brake shoe body is fixedly connected with a brake pad, and the brake pad is fixedly connected with the brake drum. A cooling shell is fixedly connected to the inner side of the brake shoe body, cooling liquid is contained in the cooling shell, and an adaptive groove and heat dissipation holes are formed in the brake shoe body. According to the brake shoe assembly, the brake shoe can be cooled through the cooling shell, the temperature rise time of the brake shoe is greatly prolonged, the brake shoe is prevented from being in a high-temperature state for a long time, and the service life of the brake shoe is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to brake technology field especially relates to a kind of brake of overheated gap self-regulation protection. BACKGROUND

[0002] Drum brake is a common automobile braking device, mainly used in small and light automobile and commercial vehicle and other traditional structure vehicles. Unlike disc brake, drum brake adopts cylindrical device built in wheel interior, which is composed of brake drum, brake shoe, brake spring, brake cylinder and other components.

[0003] In the related art, such as the announcement number: CN221170503U a kind of brake with overheated gap self-regulation protection function, including brake drum, two brake shoes and gap self-regulation assembly, brake cylinder is equipped between two brake shoes, the side of brake shoe is equipped with friction lining, and friction lining and brake drum inner side are equipped with brake gap, gap self-regulation assembly is arranged between the movable end of two brake shoes in brake drum, and it includes screw rod, and the light pole end is sequentially axially outwardly equipped with adjusting ratchet, temperature control sheet and first adjusting sleeve.

[0004] However, brake shoe is usually made of metal material, and the heat of brake shoe remains high temperature for a long time after long time friction, cannot be cooled in time, which affects its service life. SUMMARY

[0005] The utility model aims at solving the shortcomings in prior art, and provides a kind of brake of overheated gap self-regulation protection, brake shoe assembly is set, cooling shell can be used to cool brake shoe, greatly extend the heating duration of brake shoe, avoid brake shoe long time in high temperature state, extend its service life.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of brake of overheated gap self-regulation protection, including brake drum, brake shoe assembly is installed in brake drum, brake shoe assembly includes brake shoe main body, brake shoe main body's outer side is fixedly connected with brake pad, the inner side of brake shoe main body is fixedly connected with cooling shell, cooling shell is filled with cooling liquid, brake shoe main body is provided with adaptive slot, heat dissipation hole, cooling shell is provided with conducting portion, conducting portion and adaptive slot are mutually clamped. Brake shoe assembly is set, cooling shell can be used to cool brake shoe, greatly extend the heating duration of brake shoe, avoid brake shoe long time in high temperature state, extend its service life.

[0007] Brake cylinder and gap self-regulation assembly are also installed in brake drum.

[0008] The six heat dissipation holes are a group, and are circumferentially uniformly arranged.

[0009] The shape of the conducting part is long strip shape.

[0010] The number of the conducting part is multiple, and is uniformly arranged in the circumference.

[0011] The adaptive slot is staggered with the heat dissipation hole.

[0012] The shape of the cooling shell is circular arc shape.

[0013] The cooling liquid is water.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] The utility model discloses a kind of brake of overheated gap self-regulation protection, brake shoe assembly is set, cooling shell can be used to cool brake shoe, greatly extend the temperature duration of brake shoe, avoid brake shoe long time in high temperature state, extend its service life. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the utility model.

[0017] Figure 2 It is the structural schematic diagram of brake shoe assembly of the utility model.

[0018] Figure 3 It is the structural schematic diagram of brake shoe assembly of the utility model.

[0019] Figure 4 It is the structural schematic diagram of brake shoe main body of the utility model.

[0020] LEGEND:

[0021] 1, brake cylinder;2, brake shoe assembly;3, brake drum;4, gap self-regulation component;201, cooling shell;202, brake shoe main body;203, brake pad;2011, conducting part;2021, adaptive slot;2022, heat dissipation hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model.

[0023] REFERENCE Figures 1-4The utility model provides an embodiment: a kind of overheat gap self-regulating protection's brake, including brake drum 3, brake drum 3 still install brake wheel cylinder 1, gap self-regulating assembly 4, brake wheel cylinder 1 and gap self-regulating assembly 4 are used to realize brake and self-regulating function, its principle is prior art, not repeat.

[0024] Brake drum 3 is installed with brake shoe assembly 2, brake shoe assembly 2 includes brake shoe main body 202, the outer side of brake shoe main body 202 is fixedly connected with brake pad 203, the inner side of brake shoe main body 202 is fixedly connected with cooling shell 201, the shape of cooling shell 201 is circular arc, cooling shell 201 is filled with cooling liquid, cooling liquid is water, and the cooling shell 201 is filled with cooling liquid, cooling liquid is water, brake shoe main body 202 is provided with adaptive groove 2021, heat dissipation hole 2022, heat dissipation hole 2022 is used for heat dissipation, adaptive groove 2021 and heat dissipation hole 2022 are staggered, heat dissipation hole 2022 is one group, and is circumferentially uniformly arranged, cooling shell 201 is provided with conducting part 2011, the shape of conducting part 2011 is strip-shaped, the number of conducting part 2011 is multiple, and is circumferentially uniformly arranged, and conducting part 2011 and adaptive groove 2021 are mutually engaged.Working, the temperature on brake pad 203 can be conducted to brake shoe main body 202, under the heat conduction of conducting part 2011 and adaptive groove 2021, heat can be conducted to cooling shell 201, and heat is absorbed by internal cooling liquid, greatly extend the temperature rise duration of brake shoe, avoid brake shoe long time in high temperature state, extend its service life, in the state of not brake, cooling shell 201 can emit the heat absorbed by cooling liquid, to reduce the temperature of cooling liquid, for the next absorption of heat use, reliable in use.

[0025] By setting brake shoe assembly 2, cooling shell 201 can cool brake shoe, greatly extend the temperature rise duration of brake shoe, avoid brake shoe long time in high temperature state, extend its service life.

[0026] Working principle: working, the temperature on brake pad 203 can be conducted to brake shoe main body 202, under the heat conduction of conducting part 2011 and adaptive groove 2021, heat can be conducted to cooling shell 201, and heat is absorbed by internal cooling liquid, greatly extend the temperature rise duration of brake shoe, avoid brake shoe long time in high temperature state, extend its service life, in the state of not brake, cooling shell 201 can emit the heat absorbed by cooling liquid, to reduce the temperature of cooling liquid, for the next absorption of heat use, reliable in use.

[0027] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A brake with self-regulating protection against overheating of the gap, comprising a brake drum (3), characterised in that: The brake drum (3) is internally provided with a brake shoe assembly (2), the brake shoe assembly (2) comprises a brake shoe main body (202), the outer side of the brake shoe main body (202) is fixedly connected with a brake pad (203), the inner side of the brake shoe main body (202) is fixedly connected with a cooling shell (201), the cooling shell (201) is filled with cooling liquid, the brake shoe main body (202) is provided with an adaptive groove (2021) and a heat dissipation hole (2022), the cooling shell (201) is provided with a conduction part (2011), and the conduction part (2011) and the adaptive groove (2021) are mutually clamped.

2. A brake with self-regulating protection against overheating of the gap, according to claim 1, characterised in that: The brake drum (3) is internally provided with a brake drum cylinder (1) and a gap self-adjusting assembly (4).

3. A brake with self-adjusting overheat gap protection as defined in claim 1, characterized in that: The six heat dissipation holes (2022) are arranged in a group and are uniformly arranged in a circle.

4. A brake with self-adjusting overheat gap protection as defined in claim 1, characterized in that: The conduction part (2011) is in a strip shape.

5. A brake with self-adjusting overheat gap protection as defined in claim 1, wherein: There are multiple conduction parts (2011), which are uniformly arranged in a circle.

6. A brake with self-adjusting overheat gap protection as defined in claim 1, wherein: The adaptive groove (2021) and the heat dissipation hole (2022) are arranged alternately.

7. A brake with self-adjusting overheat gap protection as defined in claim 1, wherein: The cooling shell (201) is in a circular arc shape.

8. A brake with self-adjusting overheat gap protection as defined in claim 1, wherein: The cooling liquid is water.

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