Friction plate

Abstract

The utility model relates to the technical field of brake friction plates, in particular to a friction plate which comprises a main plate and an auxiliary plate, a fixing plate is arranged at one end, close to the auxiliary plate, of the main plate, an installation groove is formed in the fixing plate, a protruding block matched with the installation groove is arranged at one end, close to the main plate, of the auxiliary plate, and the protruding block is symmetrically and elastically connected with locking pieces. Locking holes matched with the locking pieces are formed in the mounting grooves, a plurality of connecting holes are formed in the main piece and the auxiliary piece, containing cavities are symmetrically formed in the mounting grooves, rotating cylinders are rotationally connected in the containing cavities, and the locking holes are formed in the rotating cylinders. Therefore, on the premise that the strength of the friction plate is not weakened, the heat dissipation effect of the friction plate is improved, the size of the single friction plate is small, and the friction plate is convenient to transfer, install and position.

Description

TECHNICAL FIELD

[0001] The utility model relates to brake friction field technology especially relates to a friction plate. BACKGROUND

[0002] Drum brake mainly comprises brake drum, brake shoe, brake bottom plate, brake cylinder, return spring, brake pedal etc., when the driver steps on the brake pedal, brake master cylinder pushes brake fluid into brake cylinder, makes the piston in the wheel cylinder move outward, the piston drives brake shoe to move to the inside of brake drum, brake shoe and brake drum produce friction, thereby generating braking force, the friction plate on brake shoe as the structure of directly contacting brake drum, its quality directly influences the effect of braking.

[0003] At present, the existing friction plate, for example, the patent with the publication number CN201739393U discloses a kind of automobile drum brake non-equal-thickness friction plate, including shoe, the outer surface of shoe is fixed with friction plate by connecting piece, installation hole is opened on shoe, the outer surface of shoe is circular arc, friction plate is circular arc segment that is tightly attached to shoe, the thickness of friction plate in middle part is greater than the thickness of friction plate at outer end of shoe.The thickness of the middle part of the friction plate is designed to be greater than the thickness of the outer end, and the non-equal-thickness design changes the transmission of vibration, greatly improves the noise during braking, the thickness of the friction plate decreases from inside to outside, and the friction plate in the middle part can withstand a larger pressure. However, each piece of the above-mentioned friction plate is relatively large in volume, is not easy to install and position, is inconvenient to store and transport, and has poor heat dissipation effect.

[0004] How to improve the heat dissipation effect of the friction plate without weakening the strength of the friction plate, and how to make the single friction plate smaller in volume to facilitate transportation and installation positioning, have become a technical problem that needs to be solved.

[0005] As can be seen from the above, the prior art has obvious inconvenience and defects in actual use, and therefore needs to be improved. UTILITY MODEL CONTENTS

[0006] In view of the above-mentioned defects, the purpose of the utility model is to provide a kind of friction plate, it can improve the heat dissipation effect of the friction plate without weakening the strength of the friction plate, and the single friction plate is smaller in volume, facilitating transportation and installation positioning.

[0007] In order to achieve the above-mentioned purpose, the utility model provides a kind of friction plate, including main piece and vice piece, the one end of main piece close to vice piece is equipped with fixed sheet, the fixed sheet is equipped with installation slot, the one end of vice piece close to main piece is equipped with the protruding block matched with installation slot, the protruding block is symmetrically connected with locking piece, the installation slot is equipped with the locking hole matched with locking piece.

[0008] The main piece and vice piece are both equipped with a plurality of connecting holes

[0009] According to the friction plate of this utility model, the mounting groove is symmetrically provided with receiving cavities, and each receiving cavity is rotatably connected to a rotating cylinder, and the locking holes are all provided in the rotating cylinders.

[0010] According to the friction plate of this utility model, each of the receiving cavities is provided with a positioning shaft, and the rotating cylinders are rotatably connected to the positioning shafts.

[0011] According to the friction plate of this utility model, the locking member is inserted into the protrusion at one end near the protrusion, and the locking member inside the protrusion is symmetrically provided with inserts. The protrusion is provided with a slot that cooperates with the inserts. The inserts are slidably disposed in the slots, and an elastic member is provided between the inserts and the slots.

[0012] According to the friction plate of this utility model, the elastic element is a spring.

[0013] According to the friction plate of this utility model, the end of the rotating cylinder away from the locking member is provided with an anti-slip ring.

[0014] The purpose of this invention is to provide a friction pad, comprising a main pad and a secondary pad. The separate main and secondary pads facilitate storage and easy access for installers. Without weakening the friction pad's strength, it improves heat dissipation, increases its cooling efficiency, and reduces operating temperature, thereby improving braking performance and service life. Each receiving cavity is equipped with a positioning shaft, and the rotating cylinder is rotatably connected to the positioning shaft, enhancing the stability of the rotating cylinder. Inserting the protrusion of the secondary pad into the mounting groove of the main pad allows the locking element and locking hole to engage, establishing a connection between the main and secondary pads. Furthermore, the small size of a single friction pad facilitates transportation and installation positioning. In summary, the beneficial effects of this invention are: it improves the heat dissipation of the friction pad without weakening its strength, and the small size of a single friction pad facilitates transportation and installation positioning. Attached Figure Description

[0015] Fig. 1 This is a structural diagram of the present invention;

[0016] Fig. 2 This is a structural diagram of the protrusion.

[0017] Fig. 3 This is a cross-sectional view of the locking component;

[0018] In the diagram: 1-Main piece, 11-Fixing piece, 12-Mounting groove, 13-Positioning shaft, 14-Rotating cylinder, 2-Sub-piece, 21-Protrusion, 22-Locking element, 23-Elastic element, 3-Connecting hole, 4-Anti-slip ring. Detailed Implementation

[0019] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below with reference to the drawings. It should be understood that the specific embodiments described herein are only used to explain the utility model and not to limit the utility model.

[0020] In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0021] In the description of the utility model, it should be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through an intermediate medium, can be the communication between two elements, and for those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] Referring to Figs. 1-3 The utility model provides a kind of friction plate, including main piece 1 and vice piece 2, the main piece 1 and vice piece 2 of split body facilitate storage, it is convenient for installation personnel to fetch, and can improve its heat dissipation efficiency, reduce working temperature, to improve braking performance and service life, main piece 1 and vice piece 2 are all sheet structure with certain camber, its camber can adapt to the camber of brake shoe, main piece 1 and vice piece 2 are all equipped with several connecting holes 3, by being equipped with connecting piece in connecting hole 3, main piece 1 and vice piece 2 can be installed on brake shoe (the installation of main piece 1, vice piece 2 and brake shoe, connecting piece can be rivet, refer to the installation of existing brake friction plate and brake shoe, it is mature prior art, here is not repeated), fixed sheet 11 is equipped on the end of main piece 1 close to vice piece 2, fixed sheet 11 is equipped with mounting groove 12, vice piece 2 is equipped with protruding block 21 matched with mounting groove 12 on the end close to main piece 1, mounting groove 12 is equipped with containing cavity in symmetry, containing cavity is all rotatably connected with rotating cylinder 14, protruding block 21 is symmetrically elastically connected with locking member 22, rotating cylinder 14 is all equipped with locking hole matched with locking member 22, when locking member 22 and locking hole are matched with each other, it can temporarily establish connection between main piece 1 and vice piece 2.

[0023] Referring to Figs. 1-3 Specifically, containing cavity is all equipped with positioning shaft 13, rotating cylinder 14 is all rotatably connected on positioning shaft 13, improve the stability of rotating cylinder 14.

[0024] Referring to Figs. 1-3 , specifically, the locking pieces 22 are inserted into the protrusions 21 near one end of the protrusions 21, and symmetrically arranged insertion blocks are arranged on the locking pieces 22 in the protrusions 21, and insertion grooves matched with the insertion blocks are arranged in the protrusions 21, and the insertion blocks are slidably arranged in the insertion grooves, and elastic pieces 23 are arranged between the insertion blocks and the insertion grooves, so that the locking pieces 22 are elastically locked, which facilitates the mutual cooperation between the locking pieces 22 and the locking holes.

[0025] Referring to Figs. 1-3 , preferably, anti-skid rings 4 are arranged at the ends of the rotating cylinders 14 away from the locking pieces 22, so as to increase the friction between the rotating cylinders 14 and the accommodating cavities.

[0026] Referring to Figs. 1-3 , preferably, the elastic pieces 23 are springs, which provide return power, and in actual use, the operator can select a spring with a suitable material according to the highest temperature of the main piece 1 and the auxiliary piece 2 in use, so as to avoid that the spring loses elasticity due to high temperature, for example, a specially designed high-temperature spring can withstand higher temperature, and some high-temperature springs can maintain good elasticity and mechanical strength at a temperature of 300 DEG C or even higher, and the materials thereof are usually heat-resistant alloy steel, stainless steel or high-temperature alloy, etc., which have good anti-creep and anti-relaxation abilities.

[0027] Referring to Figs. 1-3 , in use, the main piece 1 and the auxiliary piece 2 are first separated, then the main piece 1 is connected with the brake shoes, and then the auxiliary piece 2 is placed on the brake shoes, and the auxiliary piece 2 is slid towards the side close to the main piece 1 until the protrusions 21 of the auxiliary piece 2 are inserted into the mounting grooves 12 of the main piece 1, at this time, the locking pieces 22 and the locking holes are matched with each other, so as to establish a connection between the main piece 1 and the auxiliary piece 2, at this time, the auxiliary piece 2 can be slightly rotated to adjust to a suitable angle, after the adjustment is completed, the connecting holes 3 of the auxiliary piece 2 are all aligned with the through holes on the brake shoes, without the need for repositioning, and finally the auxiliary piece 2 is connected with the brake shoes by using the connecting pieces.

[0028] The utility model provides a kind of friction plate, including main piece and auxiliary piece, the main piece and auxiliary piece of split type facilitate storage, it is convenient for installation personnel to fetch, can improve the heat dissipation effect of friction plate under the premise of not weakening the strength of friction plate, improve its heat dissipation efficiency, reduce working temperature, to improve braking performance and service life;Accommodating cavity is all equipped with positioning shaft, rotating cylinder is all rotationally connected on positioning shaft, improve the stability of rotating cylinder;The protrusion of auxiliary piece is inserted into the mounting groove of main piece, so that locking piece and locking hole are matched with each other, connection between main piece and auxiliary piece can be established, and the volume of single friction plate is smaller, facilitating transfer and installation positioning.

[0029] Of course, the utility model can also have other various embodiments, and the skilled in the art can make various corresponding changes and deformations according to the utility model without departing from the spirit and essence of the utility model, but these corresponding changes and deformations should all belong to the protection scope of the claims attached to the utility model.

Claims

1. A friction plate, characterized by The main sheet and the auxiliary sheet are provided with fixing sheets near one end of the auxiliary sheet, the fixing sheets are provided with mounting grooves, the auxiliary sheet is provided with protrusions near one end of the main sheet, the protrusions are matched with the mounting grooves, the protrusions are symmetrically and elastically connected with locking pieces, the mounting grooves are all provided with locking holes matched with the locking pieces. The main sheet and the auxiliary sheet are all provided with a plurality of connecting holes.

2. The friction plate according to claim 1, characterized in that The mounting grooves are symmetrically provided with accommodating cavities, the accommodating cavities are all rotationally connected with rotating cylinders, and the locking holes are all arranged in the rotating cylinders.

3. The friction plate of claim 2, wherein The accommodating cavities are all provided with positioning shafts, and the rotating cylinders are all rotationally connected with the positioning shafts.

4. The friction plate of claim 1, wherein The locking pieces are all inserted into the protrusions near one end of the protrusions, the locking pieces in the protrusions are all symmetrically provided with insertion blocks, the protrusions are provided with insertion grooves matched with the insertion blocks, the insertion blocks are all slidingly arranged in the insertion grooves, and elastic pieces are arranged between the insertion blocks and the insertion grooves.

5. The friction plate of claim 4, wherein The elastic pieces are springs.

6. The friction plate of claim 2, wherein The rotating cylinders are all provided with anti-skid rings away from the locking pieces.

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