Drum type punching and welding brake shoe assembly structure for light truck

Abstract

The utility model discloses a drum type punching and welding brake shoe assembly structure for a light truck, which relates to the technical field of drum brakes and comprises a mounting plate, a mounting block and a hydraulic cylinder are arranged on the mounting plate, brake shoes are hinged to two sides of the mounting block, opposite sides of the brake shoes on two sides are connected with the hydraulic cylinder, and the hydraulic cylinder is connected with the mounting block. A spring is connected between the brake shoes on the two sides, a mounting pipe is arranged in the middle of the mounting plate, a bearing is arranged on the mounting pipe, first through holes are formed in the brake shoes, second through holes are formed between the brake drum and the brake shoes, then the temperature in the mounting plate is detected through a temperature sensor, and when the temperature is too high, a fan is turned on; in this way, when the brake is released, an air channel can be actively formed between the first through hole and the second through hole through the effect of the fan, and therefore the contact face of the brake shoe and the brake drum can be efficiently cooled when the brake is released, and the braking effect can be guaranteed when a truck is braked.

Description

TECHNICAL FIELD

[0001] The utility model relates to drum brake technology field, concretely is a kind of drum type punch welding brake shoe assembly structure for light truck. BACKGROUND

[0002] Light truck generally uses drum brake as braking tool, and the drum brake is realized by brake shoe opening tightly contact brake drum to realize brake when braking.

[0003] When truck brakes for a long time at high frequency, brake shoe will generate high temperature due to long-time and multiple friction with brake drum, and brake shoe in high temperature state for a long time will affect service life and brake effect, so it needs to be improved.

[0004] Through searching, it is found that the authorized publication No.CN215284745U discloses a drum brake with good protection, and the heat dissipation assembly includes a plurality of heat dissipation holes formed on the back surface of the drum brake body, the heat dissipation assembly further includes a plurality of supports attached to the back surface of the drum brake body and corresponding to the heat dissipation holes, the inner side of the support is fixedly connected with a fan, and the front surface of the support is fixedly connected with a mounting rod around.

[0005] The fan of the prior art can discharge the heat in the brake drum through the heat dissipation holes when working, thereby improving the heat dissipation performance of the drum brake, but the applicant finds that heat is generally concentrated on the contact surface of the brake shoe and the brake drum, so the heat dissipation effect of the prior art is not good, and the heat dissipation holes do not have a plugging structure, so when the truck is inevitably wading, a large amount of water will enter the drum brake through the heat dissipation holes, thereby easily accelerating the rusting of the drum brake. UTILITY MODEL CONTENTS

[0006] In view of the deficiencies of the prior art, the utility model provides a drum type punch welding brake shoe assembly structure for light truck, which solves the problems of the prior art.

[0007] To achieve the above purpose, the utility model realizes the following technical scheme: a drum type punch welding brake shoe assembly structure for light truck, comprising a mounting plate, the mounting plate is provided with a mounting block and a hydraulic cylinder, both sides of the mounting block are hingedly connected with brake shoes, the opposite sides of the two brake shoes are connected with the hydraulic cylinder, a spring is connected between the two brake shoes, the middle part of the mounting plate is provided with a mounting pipe, the mounting pipe is provided with a bearing, the bearing is provided with a fixing ring, and the fixing ring is used for connecting a brake drum;

[0008] Uniformly formed through holes one are formed on the brake shoes, uniformly formed through holes two are formed on the mounting plate, and the through holes two are located between the brake drum and the brake shoes, and a filter plate one connected with the through holes two is arranged on the mounting plate.

[0009] The opposite sides of the brake shoes are provided with arc-shaped pipes communicated with the through holes, and the arc-shaped pipes are externally connected with the ventilation assembly.

[0010] Preferably, the ventilation assembly comprises a mounting shell arranged on the mounting plate, a fan arranged in the mounting shell, a filter plate two arranged at one end of the mounting shell, and a connecting pipe arranged at the other end of the mounting shell and provided with an extension pipe communicated with the arc-shaped pipe.

[0011] Preferably, a temperature sensor is arranged on the mounting plate and electrically connected with the fan.

[0012] Preferably, an electric telescopic rod is arranged on the mounting plate, an output end of the electric telescopic rod is connected with a connecting rod penetrating through the mounting plate, arc-shaped rods are arranged on the connecting rod, and a blocking rod is arranged between the arc-shaped rods.

[0013] Preferably, the arc-shaped rods and the blocking rod are connected with a sealing gasket, and the sealing gasket is in contact with the filter plate one and the filter plate two.

[0014] Preferably, a sealing ring in contact with the output end of the electric telescopic rod is arranged on the mounting plate.

[0015] The utility model provides a drum type punch welding brake shoe assembly structure for light truck, has the following beneficial effects compared with prior art:

[0016] 1、the drum type punch welding brake shoe assembly structure for light truck, sets up through hole no. 1 on the brake shoe, sets up through hole no. 2 between the brake drum and brake shoe, then through temperature sensor detects the temperature in mounting plate, when temperature is too high, opens fan, like this can form air duct between through hole no. 1 and through hole no. 2 actively when loosening the brake, can carry out efficient cooling to the contact surface of brake shoe and brake drum when loosening the brake, so as to guarantee the brake effect when the truck brakes.

[0017] 2、the drum type punch welding brake shoe assembly structure for light truck, through setting up electric telescopic rod, connecting rod, arc-shaped rod, blocking rod and sealing gasket, can seal filter plate one and filter plate two, and then avoid the surge of a large amount of water when wading. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the schematic diagram of local structure of the utility model;

[0020] Figure 3 It is the schematic diagram of filter plate one and filter plate two of the utility model;

[0021] Figure 4The utility model discloses a schematic view of connecting rod, arc rod and stop rod.

[0022] In the drawing: 1, mounting plate; 2, mounting block; 3, hydraulic cylinder; 4, brake shoe; 5, spring; 6, mounting pipe; 7, bearing; 8, fixed ring; 9, through hole one; 10, through hole two; 11, arc pipe; 12, filter plate one; 13, filter plate two; 14, temperature sensor; 15, mounting shell; 16, connecting pipe; 17, telescopic pipe; 18, electric telescopic rod; 19, connecting rod; 20, arc rod; 21, stop rod; 22, sealing ring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. 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 fall within the protection scope of the utility model.

[0024] Reference Figures 1-4 The utility model provides two technical schemes as follows:

[0025] The first embodiment: a drum type punch-weld brake shoe assembly structure for light truck, including mounting plate 1, be provided with mounting block 2 and hydraulic cylinder 3 on mounting plate 1, both sides of mounting block 2 are hinged with brake shoe 4, and the opposite side of both sides brake shoe 4 is connected with hydraulic cylinder 3, and spring 5 is connected between both sides brake shoe 4, and hydraulic cylinder 3 drives both sides brake shoe 4 to open outwards under the action of pin shaft on mounting block 2 when braking, and brake drum is tightly contacted, namely brake can be carried out, the middle part of mounting plate 1 is provided with mounting pipe 6, bearing 7 is provided on mounting pipe 6, fixed ring 8 is provided on bearing 7, and fixed ring 8 is used to connect brake drum, and brake drum rotates through fixed ring 8 and bearing 7;

[0026] Uniformly set up through hole one 9 on brake shoe 4, and uniformly set up through hole two 10 on mounting plate 1, and through hole two 10 is located between brake drum and brake shoe 4, and there is gap between brake drum and brake shoe 4 when not braking, and through hole two 10 is located at gap place, and mounting plate 1 is provided with filter plate one 12 connected with through hole two 10, to avoid that outside dust and impurities enter;

[0027] The opposite side of both sides brake shoe 4 is provided with arc pipe 11 communicated with through hole one 9, and both sides arc pipe 11 are externally connected with ventilation assembly.

[0028] The ventilation assembly comprises a mounting shell 15 arranged on the mounting plate 1, a fan powered by prior art is arranged in the mounting shell 15, one end of the mounting shell 15 is connected with the filter plate two 13, so that the external dust and impurities can be prevented from entering, and the other end of the mounting shell 15 is provided with a connecting pipe 16, the connecting pipe 16 is provided with an elastic pipe 17 communicated with the arc-shaped pipe 11, so that the elastic pipe 17 can not affect the movement of the arc-shaped pipe 11.

[0029] The temperature sensor 14 is arranged on the mounting plate 1 and electrically connected with the fan, so as to detect the temperature in the mounting plate 1.

[0030] The electric telescopic rod 18 is arranged on the mounting plate 1, the output end of the electric telescopic rod 18 is connected with a connecting rod 19 penetrating through the mounting plate 1, the connecting rod 19 is provided with arc-shaped rods 20, and the blocking rods 21 are arranged between the two arc-shaped rods 20, so that the connecting rod 19, the arc-shaped rods 20 and the blocking rods 21 can be synchronously moved.

[0031] The arc-shaped rods 20 and the blocking rods 21 are connected with the sealing gaskets, and the sealing gaskets are in contact with the filter plate one 12 and the filter plate two 13, so as to ensure the sealing effect.

[0032] The second embodiment is mainly different from the first embodiment in that the sealing ring 22 in contact with the output end of the electric telescopic rod 18 is arranged on the mounting plate 1, so as to improve the sealing effect.

[0033] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by the person skilled in the art, and the model parameters of the electric appliances are not specifically limited, and the conventional equipment can be used.

[0034] In use, the temperature sensor 14 detects the temperature in the drum brake, and the fan is controlled to work when the temperature is too high, so that the air duct is formed between the through hole one 9 and the through hole two 10 when the brake is loosened, and then the temperature on one side of the two brake shoes 4 away from each other can be exchanged with the outside, so as to achieve the purpose of cooling, and the cooling efficiency is high, when it is necessary to wade, the electric telescopic rod 18 drives the connecting rod 19 to move, so that the sealing gaskets on the arc-shaped rods 20 and the blocking rods 21 are attached to the filter plate one 12 and the filter plate two 13, so that the external water can be prevented from flowing in.

[0035] It should be noted that, in the present document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover the non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0036] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A drum brake shoe assembly configuration for a light truck characterized by: Including the mounting plate (1), the mounting block (2) and hydraulic cylinder (3) are arranged on the mounting plate (1), the brake shoe (4) is hinged on both sides of the mounting block (2), the opposite sides of the brake shoe (4) on both sides are connected with the hydraulic cylinder (3), the spring (5) is connected between the brake shoe (4) on both sides, the mounting pipe (6) is arranged on the middle part of the mounting plate (1), the bearing (7) is arranged on the mounting pipe (6), the fixed ring (8) is arranged on the bearing (7), and the fixed ring (8) is used for connecting the brake drum; Uniformly arranged on the brake shoe (4) are through hole one (9), and the mounting plate (1) is uniformly provided with through hole two (10), and the through hole two (10) is located between the brake drum and the brake shoe (4), and the mounting plate (1) is provided with filter plate one (12) connected with the through hole two (10); The opposite sides of the brake shoe (4) on both sides are provided with arc-shaped pipe (11) communicated with the through hole one (9), and the arc-shaped pipe (11) on both sides is circumscribed with ventilation assembly.

2. A drum brake shoe assembly for a light truck as defined in claim 1 wherein: The ventilation assembly includes the mounting shell (15) arranged on the mounting plate (1), the fan is arranged in the mounting shell (15), one end of the mounting shell (15) is connected with the filter plate two (13), the other end of the mounting shell (15) is provided with the connecting pipe (16), the connecting pipe (16) is provided with the telescopic pipe (17) communicated with the arc-shaped pipe (11).

3. A drum brake shoe assembly for a light truck as defined in claim 2 wherein: The temperature sensor (14) is arranged on the mounting plate (1), and the temperature sensor (14) is electrically connected with the fan.

4. A drum brake shoe assembly for a light truck as defined in claim 2 wherein: The mounting plate (1) is provided with electric telescopic rod (18), the output end of the electric telescopic rod (18) is connected with the connecting rod (19) penetrating the mounting plate (1), the connecting rod (19) is provided with arc-shaped rod (20), and the blocking rod (21) is arranged between the arc-shaped rod (20) on both sides.

5. A drum brake shoe assembly construction for a light truck as defined in claim 4 wherein: The arc-shaped rod (20) and the blocking rod (21) are connected with the sealing gasket, and the sealing gasket is in contact with the filter plate one (12) and the filter plate two (13).

6. A drum brake shoe assembly construction for a light truck vehicle as defined in claim 4 wherein: The mounting plate (1) is provided with the sealing ring (22) contacted by the output end of the electric telescopic rod (18).

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