Durable brake shoe shaft rotating structure device

Abstract

The utility model discloses a durable brake shoe shaft rotating structure device, which belongs to the technical field of automobile brake systems, and comprises a rotating shaft mechanism and a shaft sleeve mechanism, one end of the rotating shaft mechanism is provided with a first thread mechanism, and the other end of the rotating shaft mechanism is provided with a second thread mechanism. A first nut used for fixing a shoe is arranged outside the first thread mechanism. Through the arrangement of the rotating shaft mechanism, the shaft sleeve mechanism, the grease injection port and the oil seal ring, the rotating structure of the shoe pin and the brake back plate pin hole is improved into the shaft sleeve rotating shaft mechanism with lubricating and sealing effects, the rotating resistance of the shoe and the abrasion of the rotating structure are reduced, the corrosion of the rotating contact part can be effectively prevented, and the service life of the brake is prolonged. According to the rotating shaft, the protruding part, the first thread mechanism, the second thread mechanism, the first nut and the second nut are arranged, the rotating shaft body is effectively limited, and therefore the rotating mechanism can be prevented from falling off.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile brake system, in particular to durable brake shoe axle rotation structure. BACKGROUND

[0002] The automobile brake is the brake device of the automobile, and the brake used by the automobile is almost friction type, which can be divided into drum type and disc type two categories, the drum type brake carries out the brake through the friction of brake shoe and brake drum, therefore the brake shoe and brake backplate can rotate, and the prior art mostly uses a cylindrical pin to connect the brake shoe and brake backplate.

[0003] The utility model discloses a kind of brake shoe supporting pins, the middle part of the shaft body is equipped with circular supporting block, opposite sides of supporting block side wall are equipped with limit stop respectively, the end of shaft body is equipped with sleeve joint part one, opposite side of supporting block with shaft body is equipped with support seat, support seat is installed with fixed shaft one, fixed shaft one is equipped with sleeve joint part two;Sleeve joint part one and sleeve joint part two are equipped with external thread respectively, sleeve joint part one and sleeve joint part two of external thread portion are equipped with annular recess respectively, at least one positioning hole is equipped on the recess and is respectively penetrated through the recess on opposite sides.The advantages are: good stability, can guarantee the stability of brake shoe rotation, relatively enhance brake effect, avoid some unnecessary safety hazards, although the above-mentioned device can guarantee the stability of brake shoe rotation, but in actual use, since the device does not have long-acting lubricating mechanism, therefore the rotation resistance of brake shoe is large, simultaneously, since the rotating connection part of the device is exposed, in the case that air is humid or vehicle is over water, the rotating connection part of the device is easily rusted, leading to brake shoe brake and unable to reset, at this time, the pin needs to be removed and replaced, leading to that the durability of the device is low.

[0004] Therefore, it is urgent to provide a durable brake shoe axle rotation structure to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem of overcoming the above-mentioned prior art, and provides a durable brake shoe axle rotation structure.

[0006] To solve the above technical problems, one technical scheme of the utility model is to provide a durable brake shoe axle rotation structure, which comprises a rotating shaft mechanism and a shaft sleeve mechanism, one end of the rotating shaft mechanism is provided with a screw thread mechanism one, the other end of the rotating shaft mechanism is provided with a screw thread mechanism two, the outside of the screw thread mechanism one is provided with a nut one for fixing the shoe piece;

[0007] The outside of the screw thread mechanism two is provided with a nut two for preventing the rotating shaft mechanism from falling off;

[0008] The shaft mechanism is externally provided with a shaft sleeve mechanism, and the shaft mechanism and the shaft sleeve mechanism can rotate.

[0009] The utility model further sets up: the shaft mechanism includes the shaft body, and is provided with the protruding portion on the shaft body.

[0010] Through the above technical scheme, the shaft body is provided with the shoe piece matched therewith, the shoe piece is provided with the insertion hole, the shoe piece can be inserted with the shaft body from the protruding portion one end of the shaft body, and the protruding portion can limit the shoe piece.

[0011] The utility model further sets up: one side of the protruding portion is fixed with the shaft key, and the shaft body, the protruding portion and the shaft key are integrated structure.

[0012] Through the above technical scheme, the groove matched with the shaft key is arranged on the shoe piece insertion hole, when the shoe piece rotates, the shaft body also rotates, and the shaft key can prevent the relative rotation of the shoe piece and the shaft body.

[0013] The utility model further sets up: the screw mechanism one includes the external thread one of setting up in the one end of the shaft body, and is provided with the slot hole one on the external thread one, the inside of slot hole one is provided with the pin one.

[0014] Through the above technical scheme, the nut one can be installed on the external thread one, so as to lock the shoe piece, avoid the shoe piece to fall off, and the pin one can effectively avoid the nut one to loosen, improve the security of the device.

[0015] The utility model further sets up: the screw mechanism two includes the external thread two of setting up in the other end of the shaft body, and is provided with the slot hole two on the external thread two, the inside of slot hole two is provided with the pin two.

[0016] Through the above technical scheme, the nut two can be installed on the screw mechanism two, so as to lock the shaft body, avoid the shaft body from the one side of the shaft sleeve mechanism to fall off, and the protruding portion can avoid the shaft body from the other side of the shaft sleeve mechanism to fall off, and the pin two can also avoid the nut two to loosen.

[0017] The utility model further sets up: the shaft sleeve mechanism includes the shaft sleeve body rotationally arranged on the outside of the shaft body, and the top of one end of the shaft sleeve body is provided with the grease injection port.

[0018] Through the above technical scheme, when the brake is braked, the shoe piece rotates, the shoe piece drives the relative rotation of the shaft body and the shaft sleeve body, the shaft sleeve body and the shaft body are filled with the lubricating grease, greatly reduce the rotation friction, and the lubricating grease can be supplemented through the grease injection port.

[0019] The utility model further sets up: the other end bottom of axle sleeve body is provided with the overflow mouth, and the both sides of axle sleeve body all are provided with oil seal ring.

[0020] Through the above technical scheme, when supplementing lubricating grease, the excess lubricating grease will overflow from the overflow mouth, the oil seal ring can effectively prevent the lubricating grease from leaking, slow down the aging speed of the lubricating grease, and the oil seal ring can also improve the sealing property between the axle sleeve body and the rotating shaft mechanism, prevent water vapor from entering between the axle sleeve body and the rotating shaft body, thereby preventing the axle sleeve body and the rotating shaft body from rusting, and greatly improving the durability of the device.

[0021] The utility model has the advantages of:

[0022] 1. The utility model discloses a rotating shaft mechanism, axle sleeve mechanism, grease injection port and oil seal ring are set up, and the shoe piece pin and brake backplate pin hole rotating structure are improved to the axle sleeve rotating shaft mechanism with lubricating and sealing effect, reduce the rotating resistance of shoe piece and the wear of rotating structure, can effectively prevent the rust of rotating contact part, and be favorable to improving the durability of rotating structure.

[0023] 2. The utility model discloses the setting of protruding portion, screw thread mechanism one, screw thread mechanism two, nut one and nut two effectively position the rotating shaft body, thereby can avoid the falling of rotating mechanism. DRAWINGS

[0024] Figure 1 It is the first view structure diagram of the utility model;

[0025] Figure 2 It is the local solid structure diagram of rotating shaft mechanism, screw thread mechanism one and screw thread mechanism two of the utility model;

[0026] Figure 3 It is the second view structure diagram of the utility model;

[0027] Figure 4 It is the front view of axle sleeve mechanism of the utility model.

[0028] In the drawing: 1, rotating shaft mechanism;101, rotating shaft body;102, protruding portion;103, shaft key;2, screw thread mechanism one;201, outer thread one;202, slot hole one;203, pin one;3, screw thread mechanism two;301, outer thread two;302, slot hole two;303, pin two;4, nut one;5, nut two;6, axle sleeve mechanism;601, axle sleeve body;602, grease injection port;603, overflow mouth;604, oil seal ring. DETAILED DESCRIPTION

[0029] The advantages and features of the present application can be more easily understood by those skilled in the art from the preferred embodiments of the present application in conjunction with the accompanying drawings, so that the scope of protection of the present application can be more clearly defined.

[0030] Please refer to Figure 1 and Figure 2 , the durable brake shoe shaft rotating structure, including the shaft mechanism 1 and the shaft sleeve mechanism 6, the shaft mechanism 1 includes the shaft body 101, and the shaft body 101 is provided with the protruding part 102, one side of the protruding part 102 is fixed with the shaft key 103, and the shaft body 101, the protruding part 102 and the shaft key 103 are integrated structure, the shaft body 101 is provided with the shoe matched therewith, the shoe is provided with the insertion hole, the shoe can be inserted from the protruding part 102 one end of the shaft body 101 with the shaft body 101, the protruding part 102 can limit the shoe, the shoe insertion hole is provided with the groove matched with the shaft key 103, when the shoe rotates, the shaft body 101 also rotates, and the shaft key 103 can prevent the shoe from rotating relative to the shaft body 101.

[0031] As Figures 1-3 shown, one end of the shaft mechanism 1 is provided with the screw thread mechanism one 2, and the other end of the shaft mechanism 1 is provided with the screw thread mechanism two 3, the screw thread mechanism one 2 includes the external thread one 201 opened in one end of the shaft body 101, and the slot hole one 202 is opened in the external thread one 201, the inside of the slot hole one 202 is provided with the pin one 203, the screw thread mechanism two 3 includes the external thread two 301 opened in the other end of the shaft body 101, and the slot hole two 302 is opened in the external thread two 301, the inside of the slot hole two 302 is provided with the pin two 303, the outside of the screw thread mechanism one 2 is provided with the nut one 4 for fixing the shoe, the outside of the screw thread mechanism two 3 is provided with the nut two 5 for preventing the shaft mechanism 1 from falling off, the nut one 4 can be installed on the external thread one 201, so as to lock the shoe, avoid the shoe from falling off, the pin one 203 can effectively avoid the nut one 4 from loosening, improve the safety of the device, the nut two 5 can be installed on the screw thread mechanism two 3, so as to lock the shaft body 101, avoid the shaft body 101 from falling off from one side of the shaft sleeve mechanism 6, and the protruding part 102 can avoid the shaft body 101 from falling off from the other side of the shaft sleeve mechanism 6, and the pin two 303 can also avoid the nut two 5 from loosening.

[0032] As Figure 1 , Figure 2 and Figure 4As shown, the outer part of the rotating shaft mechanism 1 is provided with a shaft sleeve mechanism 6, and the rotating shaft mechanism 1 and the shaft sleeve mechanism 6 can rotate, the shaft sleeve mechanism 6 comprises a shaft sleeve body 601 rotatably arranged on the outer part of the rotating shaft body 101, one end top of the shaft sleeve body 601 is provided with a grease injection port 602, the other end bottom of the shaft sleeve body 601 is provided with a grease overflow port 603, and the two sides of the shaft sleeve body 601 are provided with oil seal rings 604, when the brake is braked, the shoe will drive the rotating shaft body 101 and the shaft sleeve body 601 to rotate relatively, the shaft sleeve body 601 and the rotating shaft body 101 are filled with lubricating grease, which greatly reduces the rotating friction, the lubricating grease can be supplemented through the grease injection port 602, when the lubricating grease is supplemented, the excess lubricating grease will overflow from the grease overflow port 603, the oil seal ring 604 can effectively prevent the lubricating grease from leaking, slow down the aging speed of the lubricating grease, and the oil seal ring 604 can also improve the sealing property between the shaft sleeve body 601 and the rotating shaft mechanism 1, prevent water vapor from entering between the shaft sleeve body 601 and the rotating shaft body 101, thereby preventing the shaft sleeve body 601 and the rotating shaft body 101 from rusting, and greatly improving the durability of the device.

[0033] In use, the shaft sleeve mechanism 6 is fixed with the matched brake back plate, the shoe is fixed with the rotating shaft mechanism 1 through the nut 4, when the brake is braked, the shoe rotates, at this time, the rotating shaft mechanism 1 and the shaft sleeve mechanism 6 rotate relatively, the rotating shaft mechanism 1 and the shaft sleeve mechanism 6 effectively reduce the rotating resistance of the shoe, the oil seal ring 604 can prevent the lubricating grease from overflowing, and also can prevent water vapor from entering between the shaft sleeve mechanism 6 and the rotating shaft mechanism 1, avoid the rotating connection part from rusting, and thereby improve the service life of the device.

[0034] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A durable brake shoe axle rotation structure comprising a rotation shaft mechanism (1) and a bushing mechanism (6), characterized in that: One end of the rotating shaft mechanism (1) is provided with a screw thread mechanism one (2), and the other end of the rotating shaft mechanism (1) is provided with a screw thread mechanism two (3), the outside of the screw thread mechanism one (2) is provided with a nut one (4) for fixing the shoe piece; The outside of the screw thread mechanism two (3) is provided with a nut two (5) for preventing the rotating shaft mechanism (1) from falling off; The outside of the rotating shaft mechanism (1) is provided with a shaft sleeve mechanism (6), and the rotating shaft mechanism (1) and the shaft sleeve mechanism (6) can rotate.

2. The durable brake shoe axle rotation structure of claim 1, wherein: The rotating shaft mechanism (1) comprises a rotating shaft body (101), and the rotating shaft body (101) is provided with a protruding part (102).

3. The durable brake shoe axle rotation structure of claim 2, wherein: One side of the protruding part (102) is fixed with a shaft key (103), and the rotating shaft body (101), the protruding part (102) and the shaft key (103) are integrated.

4. The durable brake shoe axle rotation structure of claim 2, wherein: The screw thread mechanism one (2) comprises an external thread one (201) opened at one end of the rotating shaft body (101), and the external thread one (201) is provided with a slot hole one (202), and the inside of the slot hole one (202) is provided with a pin one (203).

5. The durable brake shoe axle rotation structure of claim 2, wherein: The screw thread mechanism two (3) comprises an external thread two (301) opened at the other end of the rotating shaft body (101), and the external thread two (301) is provided with a slot hole two (302), and the inside of the slot hole two (302) is provided with a pin two (303).

6. The durable brake shoe axle rotation structure of claim 2, wherein: The shaft sleeve mechanism (6) comprises a shaft sleeve body (601) rotatably arranged outside the rotating shaft body (101), and one end of the shaft sleeve body (601) is provided with a grease injection port (602).

7. The durable brake shoe axle rotation structure of claim 6, wherein: The other end of the shaft sleeve body (601) is provided with a grease overflow port (603), and the two sides of the shaft sleeve body (601) are provided with oil seal rings (604).

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