Automobile brake clearance adjusting arm mechanism

Abstract

The utility model provides an automobile brake clearance adjusting arm mechanism which comprises an adjusting arm, a mounting groove is formed in the adjusting arm, a worm gear piece is embedded in the mounting groove, a mounting cavity is formed in the right side of the adjusting arm, a storage box is fixedly mounted in the mounting cavity, and a worm gear piece is embedded in the worm gear piece. And a connecting hole communicates between the mounting groove and the mounting cavity, the same fixing shaft is fixedly mounted between the inner walls of the front side and the rear side of the connecting hole, the outer side of the fixing shaft is rotationally sleeved with a friction wheel, and the same partition plate is fixedly mounted between the inner walls of the storage box. When the friction wheel rotates, the felt cloth is extruded, so that lubricating oil is filtered out from the felt cloth and absorbed by the superfine fiber cloth, then the lubricating oil is transferred to the worm gear piece through the superfine fiber cloth, the worm gear piece and the screw are lubricated, the lubricating oil in the storage box is slowly absorbed through the felt cloth, and the effect of saving the lubricating oil is achieved; the action time of the lubricating oil is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to adjustment arm technical field especially relates to a kind of automobile brake clearance adjustment arm mechanism. BACKGROUND

[0002] Automobile brake clearance adjustment arm is an important component in vehicle braking system, it is mainly used to automatically or manually adjust the clearance between brake shoe and brake drum, ensure that every time braking can reach the best braking force and response speed;The lubrication between screw rod and worm gear in adjusting arm is very important, it directly affects the performance, reliability and life of braking system, proper lubrication can reduce friction, prevent wear, reduce noise, and ensure that components can operate smoothly under various working conditions.

[0003] The existing adjustment arm mechanism is used for driving structure, including screw rod and worm gear, for converting rotation into linear movement, screw rod and worm gear are consumed production when filled lubricant under long-term work, when unable to maintain and supplement in time, not only the friction between screw rod and worm gear increases, the operation of adjustment arm becomes difficult, and it can cause the wear of driving structure, thus we propose a kind of automobile brake clearance adjustment arm mechanism to solve this problem. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems in the background art, and proposes a kind of automobile brake clearance adjustment arm mechanism.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A kind of automobile brake clearance adjustment arm mechanism, including adjustment arm, the inside of adjustment arm is provided with installation slot, and worm gear is embedded in installation slot, installation cavity is set up in the right side of adjustment arm, storage tank is fixedly installed in installation cavity, connection hole is communicated between installation slot and installation cavity, the same fixed shaft is fixedly installed between the inner wall of the front and back of connection hole, the outer side of fixed shaft is rotatably provided with friction wheel, the same baffle is fixedly installed between the inner wall of storage tank, lubricating oil is filled in the space below baffle in storage tank, felt cloth is fixedly connected on baffle, felt cloth penetrates baffle.

[0007] Preferably, the outer side of friction wheel is slidably provided with annular groove, superfine fiber cloth is movably connected in annular groove, and the superfine fiber cloth is annular.

[0008] Preferably, the left and right inner walls of installation slot are both provided with threaded groove, the same screw rod is screw-connected in two threaded grooves, and the outer side of screw rod is fixedly provided with worm, which is meshed with worm gear.

[0009] Preferably, the bottom end of the adjusting arm is fixedly connected with a supporting arm, a plurality of mounting holes are formed in one side of the supporting arm, and the mounting holes are equidistantly arranged.

[0010] Preferably, embedding grooves are formed in the front and rear outer walls of the adjusting arm, the embedding grooves are communicated with the mounting grooves, and sealing air bag rings are fixedly installed on the inner walls of the embedding grooves.

[0011] Preferably, opening grooves are formed in the outer walls of the adjusting arm, and the opening grooves are communicated with the embedding grooves.

[0012] Preferably, valves are arranged on the outer sides of the sealing air bag rings, and the valves are located in the corresponding opening grooves.

[0013] The automobile brake clearance adjusting arm mechanism has the advantages that:

[0014] When the friction wheel rotates, the felt cloth is extruded, so that the lubricating oil is filtered out from the felt cloth and absorbed by the superfine fiber cloth, and then is transported to the worm gear part through the superfine fiber cloth, thereby lubricating the worm gear part and the screw rod. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic view of the automobile brake clearance adjusting arm mechanism is provided in the utility model;

[0016] Figure 2 A sectional structure schematic view of the automobile brake clearance adjusting arm mechanism is provided in the utility model;

[0017] Figure 3 A three-dimensional structure schematic view of the automobile brake clearance adjusting arm mechanism is provided in the utility model; Figure 2 A partial enlarged view of the middle A part;

[0018] Figure 4 A three-dimensional structure schematic view of the friction wheel of the automobile brake clearance adjusting arm mechanism is provided in the utility model.

[0019] The reference signs are as follows:

[0020] In the drawing: 1, adjusting arm; 2, storage tank; 3, worm gear part; 4, connecting hole; 5, supporting arm; 6, mounting hole; 7, embedding groove; 8, sealing air bag ring; 9, opening groove; 10, valve; 11, mounting groove; 12, screw groove; 13, screw rod; 14, worm; 15, friction wheel; 16, partition plate; 17, felt cloth; 18, superfine fiber cloth. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments.

[0022] With reference to Figures 1-4 The utility model discloses a kind of automobile brake clearance adjustment arm 1 mechanism, including adjustment arm 1, adjustment arm 1 inside is provided with installation slot 11, and installation slot 11 inside is embedded with worm gear 3, the right side of adjustment arm 1 is provided with installation cavity, storage tank 2 is fixedly installed in installation cavity, installation slot 11 and installation cavity are communicated with connecting hole 4, the same fixed shaft is fixedly installed between the inner wall of front and back of connecting hole 4, the outer side of fixed shaft is rotatably equipped with friction wheel 15, the same baffle 16 is fixedly installed between the inner wall of storage tank 2, the space below baffle 16 in storage tank 2 is filled with lubricating oil, baffle 16 is fixedly connected with felt cloth 17, felt cloth 17 penetrates baffle 16, felt cloth 17 has porous structure, can absorb and store certain amount of lubricating oil, and slowly release by capillary action, slowly absorb the lubricating oil in storage tank 2 by felt cloth 17, play the role of saving lubricating oil, and extend the action time of lubricating oil.

[0023] In the embodiment, the outer side of friction wheel 15 is slidably installed with annular groove, superfine fiber cloth 18 is movably clamped in annular groove, superfine fiber cloth 18 is annular, superfine fiber cloth 18 is composed of very thin fiber, has great surface area and excellent oil absorption capacity, it not only can quickly absorb lubricating oil, but also can evenly spread lubricating oil on other surfaces by extrusion contact.

[0024] Specific use, worm gear 3 rotates, and rotates friction wheel 15 by friction, extrudes felt cloth 17 when friction wheel 15 rotates, so that lubricating oil is filtered out from felt cloth 17 and is absorbed by superfine fiber cloth 18, and is transported to worm gear 3 by superfine fiber cloth 18, thereby lubricating worm gear 3 and screw rod 13.

[0025] In the embodiment, thread groove 12 is formed on the inner wall of left and right sides of installation slot 11, and the same screw rod 13 is threadedly connected in two thread grooves 12, worm 14 that is mutually engaged with worm gear 3 is fixedly sleeved on the outer side of screw rod 13, rotates screw rod 13 by driving, worm gear 3 is driven to rotate by screw rod 13 through worm 14, thereby driving shaft rod that is screw mounted in worm gear 3 to linearly move, change the position of brake shoe, thereby adjusting the gap between brake shoe and brake drum.

[0026] In the embodiment, the bottom end of the adjusting arm 1 is fixedly connected with a branch arm 5, a plurality of mounting holes 6 are formed on one side of the branch arm 5, the plurality of mounting holes 6 are arranged at equal intervals, one end of the branch arm 5 is fixed on a brake bottom plate to provide a stable mounting point, which ensures that the adjusting arm 1 remains stable during the entire braking process and does not move or vibrate unnecessarily, and during the braking operation, the force is transmitted from the adjusting arm 1 to the brake shoe through the branch arm 5, so that the brake shoe can be correctly pressed against the brake drum to achieve effective deceleration or parking; the mounting holes 6 on the branch arm 5 are used to firmly fix the adjusting arm 1 on the brake bottom plate by bolts, rivets or other fasteners, and the mounting holes 6 ensure that the position of the adjusting arm 1 is accurate and can withstand various dynamic loads during vehicle driving.

[0027] In the embodiment, embedded grooves 7 are formed on the front and rear outer walls of the adjusting arm 1, the embedded grooves 7 are in communication with the mounting grooves 11, sealing air bag rings 8 are fixedly installed on the inner walls of the embedded grooves 7, open grooves 9 are formed on the outer walls of the adjusting arm 1, the open grooves 9 are in communication with the embedded grooves 7, valves 10 are arranged on the outer sides of the sealing air bag rings 8, the valves 10 are located inside the corresponding open grooves 9, one end of the air gun is inserted into the valve 10, the air gun is opened to inflate the inside of the sealing device, so that the sealing device is in contact with the shaft rod inserted into the inside of the worm gear, so that the sealing performance of the adjusting arm 1 after installation is improved, dust and sewage are prevented from entering the inside of the adjusting arm 1 to affect the operation of the adjusting arm 1.

[0028] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. An automotive brake lash adjustment arm mechanism characterized by, Including the adjusting arm (1), the adjusting arm (1) is provided with a mounting groove (11) inside, and the worm gear (3) is embedded in the mounting groove (11), the right side of the adjusting arm is provided with a mounting cavity, the storage box (2) is fixedly installed in the mounting cavity, the connecting hole (4) is communicated between the mounting groove (11) and the mounting cavity, the same fixed shaft is fixedly installed between the front and rear inner walls of the connecting hole, the friction wheel (15) is rotatably provided on the outer side of the fixed shaft, the same baffle (16) is fixedly installed between the inner walls of the storage box (2), the space below the baffle (16) in the storage box (2) is filled with lubricating oil, the felt cloth (17) is fixedly connected to the baffle (16), and the felt cloth (17) penetrates the baffle (16).

2. A brake lash adjustment arm mechanism for a vehicle as set forth in claim 1 wherein, The outer side of the friction wheel (15) is slidably provided with an annular groove, and the superfine fiber cloth (18) is movably clamped in the annular groove.

3. A brake lash adjustment arm mechanism for a vehicle as set forth in claim 1 wherein, Threaded grooves (12) are formed in the left and right inner walls of the mounting groove (11), and the same screw rod (13) is threadedly connected in the two threaded grooves (12), and the worm (14) is fixedly provided on the outer side of the screw rod (13) and is meshed with the worm gear (3).

4. A brake lash adjustment arm mechanism for a vehicle as set forth in claim 1 wherein, The adjusting arm (1) is fixedly connected with the supporting arm (5) at the bottom end, a plurality of mounting holes (6) are formed in one side of the supporting arm (5), and the plurality of mounting holes (6) are arranged at equal intervals.

5. A brake lash adjustment arm mechanism for a vehicle as set forth in claim 1 wherein, The embedding grooves (7) are communicated with the mounting grooves (11), and the sealing air bag rings (8) are fixedly installed on the inner walls of the embedding grooves (7).

6. A brake lash adjustment arm mechanism for a vehicle as set forth in claim 5 wherein, The opening grooves (9) are communicated with the embedding grooves (7).

7. A brake lash adjustment arm mechanism for a vehicle as set forth in claim 6 wherein, The outer side of the sealing air bag ring (8) is provided with a valve (10), and the valve (10) is located in the corresponding opening groove (9).

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