CN218207574U - Braking force adjusting mechanism for automobile brake - Google Patents

Abstract

The invention discloses a braking force adjusting mechanism for an automobile brake, and relates to the technical field of brakes. The utility model provides a braking force guiding mechanism for automobile brake, is including the calliper shell, and the calliper shell is equipped with the air pump, and the air pump is equipped with the slip push rod through the pipe, and the calliper shell slides and is equipped with the slip shell, and the one end rigid coupling of slip shell has the fixed disk, and the other end rigid coupling of slip shell has the fixed plate, installs first spring between slip shell and the calliper shell, and the slip shell slides and is equipped with first slip post, and the calliper shell is equipped with wearing and tearing trigger mechanism and adjustment mechanism. According to the invention, the wear trigger mechanism is convenient for users to know the thickness of the brake pad on the automobile, and the adjusting mechanism is combined to keep the distance between the brake pad and the brake disc consistent all the time, so that the brake pad and the brake disc are contacted to generate the same brake force, the compensation mechanism achieves the same contact time effect of the brake pad and the brake disc, and the safety and reliability of the brake system in the driving process of the automobile are improved.

Description

Braking force adjusting mechanism for automobile brake

Technical Field

The invention relates to the technical field of brakes, in particular to a braking force adjusting mechanism for an automobile brake.

Background

The brake of the vehicle has a device which has the functions of decelerating, stopping or keeping a stopped state and the like, and avoids accidents such as collision and the like in the driving process of the vehicle, the brake only needs to adopt a brake pad to be in contact friction with a brake disc to generate braking force, wherein the brake pad is in contact with the rotating brake disc to be worn, so that the distance between an initial lower brake pad and the brake disc is increased, the distance between the existing brake pad and the brake disc is adjusted mostly by adjusting the extension length of the brake pad in the moving process of the brake pad to compensate the distance between the brake pad and the brake disc, the extension length of the brake pad in the single moving process is limited, when the vehicle frequently uses the brake pad in a downhill road section, the friction degree of the brake pad is large, the brake pad cannot extend enough distance in the single moving process, so that the braking force generated by the brake pad and the brake disc is weakened, and the vehicle is easy to generate accidents.

Disclosure of Invention

In order to solve the technical problem, a braking force adjusting mechanism for an automobile brake is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: the braking force adjusting mechanism comprises a caliper shell, an air pump is arranged on one side, far away from a wheel hub, of the caliper shell, the air pump is communicated with two guide pipes, the two guide pipes are embedded in two sides of the caliper shell respectively, sliding push rods are arranged in the two guide pipes of the air pump, sliding shells are arranged on two sides of the caliper shell in a sliding mode at equal intervals, a fixed disk is fixedly connected to one end of each sliding shell at the same side, a braking piece matched with a braking disc is installed on the fixed disk, a fixed plate is fixedly connected to the other end of each sliding shell at the same side, a first spring is installed between each sliding shell and the corresponding caliper shell, a first sliding column is arranged in each sliding shell in a sliding mode, the sliding shells and the first sliding columns are matched to form a first cavity, hydraulic oil is filled in the first cavity, a fixed rod is fixedly connected between the first sliding columns at the same side, limiting blocks used for limiting the fixed rods are fixedly connected in the caliper shell, abrasion triggering mechanisms used for adjusting the distance between the braking piece and the braking disc according to the abrasion amount of the braking piece, adjusting mechanisms used for driving hydraulic oil to enter the sliding shells and the braking piece surfaces, and the braking piece surfaces are used for compensating the distance between the sliding push rods.

Further, wearing and tearing trigger mechanism is including the fixed block, the fixed block rigid coupling is at the lateral wall of fixed disk, it is provided with the slide bar to slide in the calliper shell, be equipped with on the slide bar and be used for spacing ring, one side that the slide bar is close to the brake disc be equipped with fixed block complex baffle, the thickness of fixed block and the thickness sum of slide bar baffle thickness are less than the thickness of fixed disk, the interval of fixed block and slide bar baffle is the interval of braking piece and brake disc, be equipped with on the slide bar be used for with calliper shell complex fixed subassembly.

Furthermore, one end of the sliding rod, which is far away from the fixed block, is provided with scales for indicating the thickness of the brake block.

Furthermore, fixed subassembly is including the sliding block, and the sliding block slides and sets up in the baffle of sliding rod, and the sliding rod slides and is provided with the sliding plate, and the equidistance is installed the second spring between sliding plate and the sliding rod, and one side that the sliding plate is close to the sliding block is equipped with T shape inclined groove, and the sliding block is equipped with and is used for with the T shape inclined groove complex T shaped plate on the sliding plate.

Further, the contact surfaces of the sliding plate and the caliper housing are rough surfaces for enhancing the frictional force between the sliding plate and the caliper housing.

Further, the adjusting mechanism comprises a first fixing shell, the first fixing shell is fixedly connected in the caliper shell through a connecting plate, a first sliding plug is arranged in the first fixing shell in a sliding mode, threads are arranged on the side wall of the first sliding plug, the first fixing shell and the first sliding plug are matched to form a second chamber, the volume of the second chamber is twice that of the first chamber, one side, adjacent to the fixing disk, of the first fixing shell is communicated with a liquid guide pipe, the tail end of the liquid guide pipe is forked and is respectively embedded in adjacent first sliding columns, a first spline rod is fixedly connected in the caliper shell and is in sliding connection with the first sliding plug, a fixing frame is fixedly connected in the caliper shell, a worm is rotatably connected to the fixing frame, a straight gear is fixedly connected to one end of the worm, the worm is rotatably connected with a fixing frame, the straight gear is located in the fixing frame, a rack is fixedly connected to the sliding rod and slides in the fixing frame and is meshed with the straight gear, the fixing frame is rotatably connected with a worm wheel which is meshed with the worm wheel, the worm wheel is meshed with the worm wheel, and the middle of the worm wheel is in threaded fit with the first sliding plug.

Further, under the transmission action of the straight gear, the worm and the worm gear, the moving distance of the first sliding plug is the same as that of the rack.

Furthermore, one side of the caliper shell close to the brake disc is provided with an inclined surface, and an inclined plate is symmetrically and fixedly connected to the inclined surface of the caliper shell and used for guiding air to flow through the brake disc.

Furthermore, the compensating mechanism is including the second set casing, the second set casing inlays on the fixed plate, slip push rod and second set casing sliding connection, the rigid coupling has the third set casing in the caliper shell, the intercommunication has first pipe between third set casing and the second set casing, be provided with the check valve in the first pipe, it is provided with the second sliding plug to slide in the third set casing, all fill hydraulic oil in second set casing and the third set casing, be equipped with the reset assembly that is arranged in the second set casing hydraulic oil inflow third set casing on the second sliding plug.

Further, the subassembly that resets is including the second spline pole, the second spline pole rotates and sets up in the calliper shell, the one end and the second sliding plug sliding connection of second spline pole, the other end of second spline pole slides and is provided with the second slip post, install the third spring between second slip post and the second spline pole, be equipped with two on the calliper shell and be used for sliding the spacing complex blind hole of post with the second, the third set casing internal rotation is provided with the rotation shell, the lateral wall that rotates the shell is provided with the cylinder hole, the rigid coupling has the telescopic link between rotation shell and the second slip plug, the intercommunication has the second pipe between third set casing and the second set casing, the second pipe cooperates with the cylinder hole that rotates the shell, a hydraulic oil flow in the second set casing is in the third set casing.

Compared with the prior art, the invention achieves the technical effects that: the thickness of the brake pad is visually embodied by wearing the sliding rod in the trigger mechanism, meanwhile, the fixing of the sliding rod is realized by matching the sliding plate with the caliper shell, so that a user can conveniently know the thickness of the brake pad on an automobile, then, the adjustment mechanism is combined to enable hydraulic oil to enter between the sliding shell and the first sliding column through the first fixing shell, the distance between the sliding shell and the first sliding column is adjusted to ensure that the distance between the brake pad and the brake disc is always kept consistent, the same effect of braking force generated by the contact of the brake pad and the brake disc under the same amplitude of stepping of the brake pedal is achieved, the sliding push rod in the compensation mechanism is moved and reset, the hydraulic oil in the third fixing shell enters into the second fixing shell through the one-way valve of the first guide pipe, the displacement distance of the brake pedal is compensated, the same effect of time for the contact of the brake pad and the brake disc when the brake pedal with the same amplitude is stepped at the same speed each time is achieved, the effect of generating stable braking force between the brake pad and the brake disc is achieved, and the safety and the reliability of a brake system in the driving process of the automobile is further improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic cross-sectional view of a three-dimensional structure of the present invention.

Fig. 3 is a partial cross-sectional view showing a three-dimensional structure of the present invention.

Fig. 4 is a cross-sectional view of the wear trigger mechanism of the present invention.

Fig. 5 is a cross-sectional view of the fixing assembly of the present invention.

Fig. 6 is a first cross-sectional view of the adjustment mechanism of the present invention.

Fig. 7 is a second cross-sectional view of the adjustment mechanism of the present invention.

Fig. 8 is a cross-sectional view of the compensating mechanism of the present invention.

In the reference symbols: 1-caliper housing, 101-air pump, 102-sliding push rod, 103-sliding housing, 104-fixed disk, 105-fixed plate, 106-first spring, 107-first sliding column, 108-fixed rod, 109-stop block, 2-fixed block, 201-sliding rod, 3-sliding block, 301-sliding plate, 302-second spring, 4-first fixed housing, 401-first sliding plug, 402-first splined rod, 403-fixed frame, 404-worm, 405-straight toothed wheel, 406-fixed frame, 407-rack, 408-worm wheel, 5-inclined plate, 6-second fixed housing, 601-third fixed housing, 602-first conduit, 603-second sliding plug, 7-second splined rod, 701-second sliding column, 702-third spring, 703-telescopic rod, 704-rotating housing, 705-second conduit.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A braking force adjusting mechanism for an automobile brake is disclosed, and shown in fig. 1-8, the braking force adjusting mechanism comprises a caliper shell 1, an air pump 101 is fixedly connected to the left side of the caliper shell 1, the air pump 101 is communicated with two guide tubes, the two guide tubes are respectively fixedly connected to the left side and the right side of the caliper shell 1, a sliding push rod 102 is slidably connected to each of the two guide tubes of the air pump 101, two sliding shells 103 are respectively slidably arranged on the left side and the right side of the caliper shell 1, a fixed plate 104 is fixedly connected to the inner end of the sliding shell 103 on the same side, a brake pad matched with a brake disc is installed on the fixed plate 104, a fixed plate 105 is welded to the sliding shell 103 on the same side, a first spring 106 is fixedly connected between the sliding shell 103 and the caliper shell 1, the first spring 106 is sleeved on the sliding shell 103, a first sliding column 107 is slidably connected to the sliding shell 103, and the first sliding column 107 are matched to form a first chamber, the first chamber is filled with hydraulic oil, a fixing rod 108 is welded between first sliding columns 107 on the same side, a limiting block 109 used for limiting the fixing rod 108 is welded in the caliper shell 1, abrasion triggering mechanisms are symmetrically arranged in the caliper shell 1, when a brake pad on a fixed disc 104 is abraded, the fixed disc 104 moves to enable the abrasion triggering mechanisms to work, adjusting mechanisms used for driving the hydraulic oil to enter the sliding shells 103 are symmetrically arranged in the caliper shell 1, the adjusting mechanisms are matched with the abrasion triggering mechanisms, the distance between the sliding shells 103 and the first sliding columns 107 is adjusted according to the abrasion amount of the brake pad, the distance between the surface of the brake pad and the surface of the brake disc is kept constant, the same effect of braking force generated by the contact of the brake pad and the brake disc is ensured, and a compensating mechanism used for compensating the stroke of a brake pedal is arranged between a sliding push rod 102 and the fixing plate 105.

Referring to fig. 1 and 4, the wear trigger mechanism includes a fixed block 2, the fixed block 2 is fixedly connected to a side wall of the fixed disc 104, a sliding rod 201 is slidably connected to the caliper housing 1, a ring for limiting is provided on the sliding rod 201, a baffle plate matched with the fixed block 2 is provided on a side of the sliding rod 201 close to the brake disc, a sum of a thickness of the fixed block 2 and a thickness of the baffle plate of the sliding rod 201 is smaller than a thickness of the fixed disc 104, a distance between the fixed block 2 and the baffle plate of the sliding rod 201 is a distance between the brake disc and the brake disc, when the brake disc is worn, the brake disc of the fixed disc 104 moves to drive the sliding rod 201 to slide through the fixed block 2, a sliding amount of the sliding rod 201 is a wear amount of the brake disc, a scale for indicating a thickness of the brake disc is provided on one end of the sliding rod 201 away from the fixed block 2, so that the thickness of the brake disc can be conveniently observed, and a fixing component matched with the caliper housing 1 is provided on the sliding rod 201.

Referring to fig. 4 and 5, the fixing assembly includes a sliding block 3, the sliding block 3 is slidably connected in a baffle of the sliding rod 201, the sliding rod 201 is slidably connected with a sliding plate 301, second springs 302 are uniformly and fixedly connected between the sliding plate 301 and the sliding rod 201 at equal intervals, a T-shaped inclined groove is arranged on one side of the sliding plate 301 close to the sliding block 3, the sliding block 3 is provided with a T-shaped plate for matching with the T-shaped inclined groove on the sliding plate 301, the sliding block 2 moves to press the sliding block 3 to move, the sliding block 3 enables the sliding plate 301 to move to release the fixing with the caliper housing 1, contact surfaces of the sliding plate 301 and the caliper housing 1 are both rough surfaces for enhancing friction between the sliding plate 301 and the caliper housing 1, and under the action of the second springs 302 in an initial state, the sliding plate 301 contacts and presses the caliper housing 1 to complete the fixing of the sliding rod 201.

Referring to fig. 3, 6 and 7, the adjusting mechanism includes a first fixing shell 4, the first fixing shell 4 is welded in the caliper shell 1 through a connecting plate, a first sliding plug 401 is slidably connected in the first fixing shell 4, a thread is provided on a side wall of the first sliding plug 401, the first fixing shell 4 and the first sliding plug 401 are matched to form a second chamber, the volume of the second chamber is twice of the volume of the first chamber, one side of the first fixing shell 4 adjacent to the fixing plate 104 is communicated with a liquid guide tube, the tail end of the liquid guide tube is divided into two paths, the two liquid guide tubes are respectively embedded in two adjacent first sliding columns 107, the middle part of the liquid guide tube is a hose, a first spline rod 402 is bolted in the caliper shell 1, the first spline rod 402 is slidably connected with the first sliding plug 401, a fixing frame 403 is welded in the caliper shell 1, the fixing frame 403 is rotatably connected with a worm 404, the rear end of the worm 404 is keyed with a spur gear 405, the worm 404 is rotatably connected with a fixed frame 406, the straight gear 405 is positioned in the fixed frame 406, the sliding rod 201 is in bolt connection with a rack 407, the rack 407 is positioned in the fixed frame 406 to slide, the rack 407 is meshed with the straight gear 405, the sliding rod 201 moves to drive the worm 404 to rotate through the rack 407 and the straight gear 405, the fixed frame 403 is rotatably connected with a worm wheel 408, the worm wheel 408 is meshed with the worm 404 to fix the position after the brake pad is adjusted, the worm wheel 408 is prevented from rotating, the middle part of the worm wheel 408 is in threaded fit with the first sliding plug 401, the worm 404 rotates to enable the first sliding plug 401 to move through the worm wheel 408, the moving distance of the first sliding plug 401 is equal to the moving distance of the sliding rod 201, namely the moving distance of the first sliding plug 401 is equal to the abrasion loss of the brake pad, the first sliding plug 401 moves to push hydraulic oil into the sliding shell 103 to enable the first sliding column 107 and the fixed rod 108 to move, the distance between the brake pad and the brake disc is always kept.

One side of caliper shell 1 near the brake disc is established to the inclined plane, and the inclined plane symmetry rigid coupling of caliper shell 1 has inclined plate 5 for guide air flow through braking piece, carries out the heat dissipation operation to braking piece and brake disc, avoids both wearing and tearing heat production, influences the braking force that produces between the two.

Referring to fig. 2 and 8, the compensating mechanism includes a second fixing shell 6, the second fixing shell 6 is welded on the fixing plate 105, the sliding push rod 102 is connected with the second fixing shell 6 in a sliding manner, a third fixing shell 601 is welded in the caliper shell 1, a first conduit 602 is communicated between the third fixing shell 601 and the second fixing shell 6, a check valve is arranged in the first conduit 602, when the sliding push rod 102 returns to an initial position, as the distance between the sliding shell 103 and the first sliding column 107 increases, the sliding push rod 102 moves with the second fixing shell 6, so that hydraulic oil in the third fixing shell 601 enters the second fixing shell 6, when the brake pedal is stepped again, the sliding push rod 102 moves to enable the second fixing shell 6 to drive the brake pad to move to contact the brake disc through the connected connection to generate a braking force, in the process, the check valve of the first conduit 602 limits the flow of the hydraulic oil, a second sliding plug is connected in the third fixing shell 601 in a sliding manner, the second fixing shell 6 and the third fixing shell 601 are all provided with a hydraulic oil filling assembly 603, and the second sliding plug 603 is fully used for the third fixing shell 601 to return to flow into the third fixing shell 601.

Referring to fig. 8, the resetting assembly includes a second spline rod 7, the second spline rod 7 is rotatably connected to the caliper housing 1, one end of the second spline rod 7 is slidably connected to a second sliding plug 603, the other end of the second spline rod 7 is slidably connected to a second sliding column 701, a third spring 702 is fixedly connected between the second sliding column 701 and the second spline rod 7, the third spring 702 is sleeved on the second sliding column 701, the caliper housing 1 is provided with two blind holes for limiting and matching with the second sliding column 701, two states of the second spline rod 7 are controlled, a rotating housing 704 is rotatably connected to the third fixing housing 601, a cylindrical hole is formed in a side wall of the rotating housing 704, a second guide pipe 705 is welded between the rotating housing 704 and the second sliding plug 603, the second guide pipe 705 is communicated between the third fixing housing 601 and the second fixing housing 6, the second guide pipe 705 is matched with the cylindrical hole of the rotating housing 704, when the brake pad is replaced, a user rotates the second spline rod 7 to communicate the second guide pipe with the cylindrical hole of the rotating housing 704, the second guide pipe 705 is communicated with the second fixing hole 705 of the rotating housing 704, the second guide pipe 705, the initial distance of the second sliding rod 601 is recovered from the second fixing housing 102.

In the process that a user drives a commercial vehicle to run and transport a truck, the user treads a brake pedal, the air pump 101 is started by the brake pedal through a control module of the vehicle, the larger the amplitude of treading the brake pedal is, the larger the working efficiency of the air pump 101 is, the air pump 101 discharges gas with certain pressure during working, the gas extrudes the sliding push rods 102 on the left side and the right side of the caliper shell 1 to synchronously move, the cylindrical holes of the rotating shell 704 and the second guide pipe 705 in an initial state are staggered and are simultaneously acted by a one-way valve in the first guide pipe 602, the sliding push rods 102 push the second fixing shell 6 to move through hydraulic pressure, the second fixing shell 6 drives the adjacent fixing plate 105, the sliding shell 103 and the fixing plate 104 to move, so that a brake pad arranged on the fixing plate 104 is in contact with and extrudes the brake disc to brake the brake disc, and the running speed of the commercial vehicle or brake and stop are reduced.

The left end extension of the sliding rod 201 in the initial state represents the thickness of the brake pad, when the brake pad is worn, the fixed disc 104 moves to drive the fixed block 2 to firstly press the sliding block 3 to move, the sliding block 3 moves to enable the sliding block 301 to move through the T-shaped plate and compress the second spring 302, the sliding block 301 is separated from the contact with the caliper shell 1 to release the fixation of the sliding rod 201, then the fixed block 2 contacts and presses the baffle of the sliding rod 201 to move rightwards, the movement amount of the sliding rod 201 is the wear amount of the brake pad, the left side extension of the sliding rod 201 always represents the actual thickness of the brake pad, and a user can know the thickness of the vehicle brake pad by observing scales on the left side extension of the sliding rod 201.

The sliding rod 201 moves and simultaneously drives the rack 407 to move, the rack 407 enables the straight gear 405 and the worm 404 to rotate, the worm 404 enables the worm wheel 408 to rotate, the worm wheel 408 rotates and enables the first sliding plug 401 to move, at the moment, the moving distance of the sliding rod 201 is equal to the moving distance of the first sliding plug 401, the first sliding plug 401 moves and pushes hydraulic oil in the first fixing shell 4, the hydraulic oil enters the two sliding shells 103 through a liquid guide pipe of the first fixing shell 4, in the process that the sliding shell 103 and the fixing disk 104 drive the same parts to move together, the first sliding column 107 and the fixing rod 108 are kept static, the distance between the first sliding column 107 and the sliding shell 103 is increased, the size of the first cavity on the first fixing shell 4 is twice of the size of the first cavity on the sliding shell 103, the moving distance of the first sliding column 107 is equal to the moving distance of the first sliding plug 401, namely, the distance between the first sliding column 107 and the sliding shell 103 is increased to the abrasion thickness of the sliding shell 103, and the braking force generated by the size of the brake pad in contact with the same amplitude when the brake pedal is stepped each time, and the safety brake system is improved.

When a user releases the brake pedal, the air pump 101 stops working, the fixing plate 105 drives the sliding shell 103 and parts connected with the sliding shell 103 to move in the opposite direction under the action of the first spring 106, when the fixing rod 108 contacts the limiting block 109, the sliding shell 103, the fixing plate 105, the second fixing shell 6 and the first sliding column 107 stop moving, at the moment, under the action of the elastic force of the first spring 106, the sliding shell 103 and the first sliding column 107 mutually press hydraulic oil in the first cavity, due to the threaded fit between the worm wheel 408 and the first sliding plug 401, and the worm 404 limits the rotation of the worm wheel 408, the first sliding column 107 and the sliding shell 103 keep the adjusted distance, namely, the distance between the brake pad and the brake disc is always kept consistent, the contact time of the brake pad and the brake disc is always consistent after the brake pedal is stepped, and the braking force generated under the same stepping distance is the same as that before the brake pad is worn.

Because the fixing plate 105 does not return to the initial state, at this time, the sliding push rod 102 moves and returns to a position, so that the distance between the second fixing shell 6 and the sliding push rod 102 is increased, along with the movement of the sliding push rod 102, hydraulic oil in the third fixing shell 601 enters the second fixing shell 6 through the one-way valve of the first conduit 602, meanwhile, the second sliding plug 603 moves in the third fixing shell 601, when the brake pedal is stepped again, the air pump 101 works to push the sliding push rod 102 to move, the sliding push rod 102 drives the second fixing shell 6 and the fixing plate 105 to move by pushing the hydraulic oil, in the process, under the action of the one-way valve in the first conduit 602, the cylindrical hole of the rotating shell 704 is staggered with the second conduit 705, so that the hydraulic oil cannot flow into the third fixing shell 601 from the second fixing shell 6, the movement distance of the brake pedal is compensated, when a person steps on the brake pedal again, the air pump 101 works to make the sliding push rod 102 drive the second fixing shell 6 to directly move through the hydraulic oil, the second fixing shell 6 drives the fixing shell 105 to work again, so that the brake pad at the adjusted position directly moves to generate a braking force, and the braking time when the brake pedal is not stepped on is ensured, and an accident is avoided.

When the abrasion of the brake pad reaches the limit value, the brake pad needs to be replaced, a user firstly pulls out the second sliding column 701 to remove the matching with the blind hole on the caliper shell 1, then rotates the second spline rod 7 to enable the second sliding column 701 to enter into another blind hole of the caliper shell 1, the second spline rod 7 drives the rotating shell 704 to rotate through the second sliding plug 603 and the telescopic rod 703, the cylindrical hole of the rotating shell 704 is communicated with the second guide pipe 705, then the user presses the sliding block 3 to move through a tool to carry out the same operation, the fixation between the sliding rod 201 and the caliper shell 1 is removed, then the user pulls the sliding rod 201 to move leftwards to reset, the upper limit ring of the sliding rod is contacted with the caliper shell 1, the sliding rod 201 drives the part connected with the sliding rod to carry out the reverse movement, and the first sliding plug 401 moves leftwards, the hydraulic oil in the first cavity on the sliding shell 103 enters the second cavity on the first fixed shell 4 again, the distance between the sliding shell 103 and the first sliding column 107 returns to the initial state, the sliding shell 103 returns to the original state through the fixed plate 105 to drive the second fixed shell 6 to move and return, the distance between the second fixed shell 6 and the sliding push rod 102 returns to the initial state, in the process, the hydraulic oil in the second fixed shell 6 enters the third fixed shell 601 through the second guide pipe 705 and the cylindrical hole of the rotating shell 704, the hydraulic oil entering the third fixed shell 601 extrudes the second sliding plug 603 to move reversely and return, after the sliding push rod 102 is adjusted, a user stretches the second sliding column 701 and reversely rotates the second spline rod 7, and under the action of the third spring 702, the second sliding column 701 returns to the blind hole in the initial state on the caliper shell 1, and finally, a new brake pad is installed on the fixed disk 104.

And in the running process of the commercial vehicle, the caliper shell 1 moves to impact air, the air acts with the inclined plate 5 through the inclined surface of the caliper shell 1 to guide airflow to flow to the brake pad, the temperature dissipation of the brake pad is accelerated, and the stable braking force generated between the brake pad and the brake disc is ensured.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.

Claims (10)

1. The braking force adjusting mechanism for the automobile brake is characterized by comprising a caliper shell (1), wherein an air pump (101) is arranged on one side, away from a hub, of the caliper shell (1), the air pump (101) is communicated with two guide pipes, the two guide pipes are respectively embedded on two sides of the caliper shell (1), and sliding push rods (102) are arranged in the two guide pipes of the air pump (101); sliding shells (103) are arranged on two sides of the caliper shell (1) in an equidistant sliding mode, one end of each sliding shell (103) on the same side is fixedly connected with a fixed disk (104), a brake pad matched with the brake disk is installed on each fixed disk (104), and the other end of each sliding shell (103) on the same side is fixedly connected with a fixed plate (105); a first spring (106) is installed between the sliding shell (103) and the caliper shell (1), a first sliding column (107) is arranged in the sliding shell (103) in a sliding mode, the sliding shell (103) and the first sliding column (107) are matched to form a first cavity, hydraulic oil is filled in the first cavity, and a fixing rod (108) is fixedly connected between the first sliding columns (107) on the same side; stopper (109) that are used for spacing dead lever (108) are fixed to rigid coupling in calliper shell (1), the symmetry is equipped with the wearing and tearing trigger mechanism that is used for adjusting brake disc and brake disc interval according to brake disc wearing and tearing volume in calliper shell (1), the symmetry is equipped with the adjustment mechanism that is used for transmission hydraulic oil to get into in slide shell (103) in calliper shell (1), adjustment mechanism and wearing and tearing trigger mechanism cooperation, be used for adjusting slide shell (103) and first slip post (107) interval, make the distance between brake disc surface and the brake disc surface keep invariable, be equipped with the compensation mechanism who is used for compensating the brake pedal stroke between slip push rod (102) and fixed plate (105).

2. The braking force adjusting mechanism for the automobile brake is characterized in that the abrasion triggering mechanism comprises a fixed block (2), the fixed block (2) is fixedly connected to the side wall of the fixed disc (104), a sliding rod (201) is slidably arranged in the caliper shell (1), a circular ring for limiting is arranged on the sliding rod (201), a baffle plate matched with the fixed block (2) is arranged on one side, close to the brake disc, of the sliding rod (201), the sum of the thickness of the fixed block (2) and the thickness of the sliding rod (201) baffle plate is smaller than that of the fixed disc (104), the distance between the fixed block (2) and the sliding rod (201) baffle plate is the distance between the brake disc and the brake disc, and a fixing component matched with the caliper shell (1) is arranged on the sliding rod (201).

3. A braking force adjustment mechanism for automotive brakes according to claim 2, characterized in that the end of the sliding rod (201) remote from the fixed block (2) is provided with a scale for indicating the thickness of the brake pad.

4. The braking force adjusting mechanism for the automobile brake is characterized in that the fixing component comprises a sliding block (3), the sliding block (3) is arranged in a baffle of the sliding rod (201) in a sliding mode, the sliding rod (201) is provided with a sliding plate (301) in a sliding mode, a second spring (302) is installed between the sliding plate (301) and the sliding rod (201) at equal intervals, one side, close to the sliding block (3), of the sliding plate (301) is provided with a T-shaped inclined groove, and the sliding block (3) is provided with a T-shaped plate used for being matched with the T-shaped inclined groove in the sliding plate (301).

5. The braking force adjusting mechanism for the brake of the vehicle according to claim 4, wherein the contact surfaces of the slide plate (301) and the caliper housing (1) are provided with rough surfaces for enhancing the frictional force between the slide plate (301) and the caliper housing (1).

6. The braking force adjusting mechanism for the automobile brake is characterized in that the adjusting mechanism comprises a first fixing shell (4), the first fixing shell (4) is fixedly connected in the caliper shell (1) through a connecting plate, a first sliding plug (401) is slidably arranged in the first fixing shell (4), the side wall of the first sliding plug (401) is provided with threads, the first fixing shell (4) and the first sliding plug (401) are matched to form a second chamber, the volume of the second chamber is twice of the volume of the first chamber, one side of the first fixing shell (4) adjacent to the fixing disk (104) is communicated with a liquid guide pipe, the tail ends of the liquid guide pipe are forked and respectively embedded in adjacent first sliding columns (107), a first spline rod (402) is fixedly connected in the worm caliper shell (1), the first spline rod (402) is slidably connected with the first sliding plug (401), a fixing rack (403) is fixedly connected in the caliper shell (1), a fixing frame (404) is rotatably connected to one end of the worm (404), a straight gear (405) is rotatably connected in the fixing frame (403), a rack (407) is rotatably connected in the fixing frame (406), and a rack (405) is rotatably connected with a fixing frame (406), the worm wheel (408) and the worm (404) are engaged, and the middle portion of the worm wheel (408) is screw-fitted with the first slide plug (401).

7. The braking force adjustment mechanism for the automobile brake as claimed in claim 6, wherein the first sliding plug (401) moves by the same distance as the rack gear (407) under the driving action of the spur gear (405), the worm (404) and the worm gear (408).

8. The braking force adjustment mechanism for an automobile brake according to claim 1, wherein one side of the caliper housing (1) close to the brake disc is provided with an inclined surface, and inclined plates (5) for guiding air flowing through the brake pad are symmetrically and fixedly connected to the inclined surface of the caliper housing (1).

9. The braking force adjusting mechanism for the automobile brake as claimed in claim 1, wherein the compensating mechanism includes a second fixing shell (6), the second fixing shell (6) is embedded on the fixing plate (105), the sliding push rod (102) is slidably connected with the second fixing shell (6), a third fixing shell (601) is fixedly connected in the caliper shell (1), a first conduit (602) is communicated between the third fixing shell (601) and the second fixing shell (6), a one-way valve is arranged in the first conduit (602), a second sliding plug (603) is slidably arranged in the third fixing shell (601), the second fixing shell (6) and the third fixing shell (601) are both filled with hydraulic oil, and a resetting component for the hydraulic oil in the second fixing shell (6) to flow into the third fixing shell (601) is arranged on the second sliding plug (603).

10. The braking force adjusting mechanism for the automobile brake as claimed in claim 9, wherein the resetting component includes a second spline rod (7), the second spline rod (7) is rotatably disposed on the caliper housing (1), one end of the second spline rod (7) is slidably connected to a second sliding plug (603), the other end of the second spline rod (7) is slidably provided with a second sliding column (701), a third spring (702) is installed between the second sliding column (701) and the second spline rod (7), the caliper housing (1) is provided with two blind holes for limiting and matching with the second sliding column (701), a rotating housing (704) is rotatably disposed in a third fixing housing (601), a cylindrical hole is disposed on a side wall of the rotating housing (704), a telescopic rod (703) is fixedly connected between the rotating housing (704) and the second sliding plug (603), a second conduit (704) is communicated between the third fixing housing (601) and the second fixing housing (6), the second conduit (704) is matched with the rotating housing (705), and the second fixing housing (601) is used for allowing hydraulic oil to flow into the second fixing housing (601).

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