CN117537018A - Mechanical parking brake caliper - Google Patents
Mechanical parking brake caliper Download PDFInfo
- Publication number
- CN117537018A CN117537018A CN202311521554.1A CN202311521554A CN117537018A CN 117537018 A CN117537018 A CN 117537018A CN 202311521554 A CN202311521554 A CN 202311521554A CN 117537018 A CN117537018 A CN 117537018A
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- CN
- China
- Prior art keywords
- brake
- cable
- brake disc
- mechanical parking
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000033001 locomotion Effects 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 125000003003 spiro group Chemical group 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
Abstract
The invention discloses a mechanical parking brake caliper, which belongs to the technical field of automobile braking and comprises a brake disc, a mounting cover and a cable support, wherein a spline groove is formed in the middle of the brake disc, the brake disc is connected with an output shaft spline of a gearbox through the spline groove, a first flange part is arranged on the mounting cover, a brake shoe is arranged in the mounting cover, when the outer wall of the brake shoe is in contact with the inner wall of the brake disc, the brake disc is braked, a cable is arranged on the cable support, the other end of the cable is connected with a brake handle, the cable support is used for contacting the brake shoe to swing and contact with the brake disc, and a booster component is arranged on the cable support.
Description
Technical Field
The invention relates to the technical field of automobile braking, in particular to a mechanical parking brake caliper.
Background
The parking brake can be divided into a mechanical hand brake and an electronic hand brake, the mechanical hand brake is a caliper of a rear wheel linked through parts such as steel wires, when the hand brake is pulled up, the caliper starts to work to press a brake pad, so that a related braking function is realized, the electronic hand brake is realized by starting a parking switch, driving a steel wire or the like to link the brake caliper of the rear wheel through a motor, and the parking function is realized by pressing the brake pad through the caliper.
For some automobiles with manual transmissions or some high-performance automobiles, the use of an electronic hand brake cannot meet the use requirements, and a mechanical hand brake is configured to provide more accurate operation and control, so that the mechanical hand brake needs very large force when pulling up the hand brake to ensure the braking effect, and is inconvenient to use for female drivers with small force.
Therefore, we propose a mechanical parking brake caliper to solve the above-mentioned problems.
Disclosure of Invention
The embodiment of the invention provides a mechanical parking brake caliper, which aims to solve the technical problems.
The embodiment of the invention adopts the following technical scheme: including brake disc, installation lid, cable support, spline groove has been seted up at the middle part of brake disc, the brake disc passes through spline groove and the output shaft splined connection of gearbox, be equipped with first flange portion on the installation lid, the inside of installation lid is equipped with the brake shoe, works as when the outer wall of brake shoe is inconsistent with the brake disc inner wall, the brake disc is braked, be equipped with the cable on the cable support, the other end and the braking handle of cable are connected, the cable support is used for contradicting brake shoe swing and inconsistent with the brake disc, be equipped with the helping hand subassembly on the cable support, the helping hand subassembly includes extensible member, controller, reflecting plate and distance sensor, the extensible member is used for promoting brake shoe motion, the reflecting plate is connected on the cable and follows the synchronous action of cable, distance sensor is used for monitoring the motion distance of reflecting plate, the controller is used for receiving distance sensor's signal and opens and close the extensible member, and contradicts brake shoe through the extensible member to brake shoe, makes brake shoe and brake disc inner wall produce the conflict to need not to tighten with the brake handle, thereby realize better laborsaving cable effect of the cable of driver.
Further, the brake caliper comprises a mounting shell, wherein a second flange part is arranged on the mounting shell, the mounting shell is mounted on the gearbox shell, and the brake disc is rotationally connected with the mounting shell, so that the brake caliper is convenient to mount.
Further, the number of the brake shoes is two, a reset spring is connected between the two brake shoes, one end of the brake shoe, which is far away from the reset spring, is detachably connected with the mounting cover through the movable connecting piece, and when the telescopic piece does not touch the brake shoes, the two brake shoes can be reset through the reset spring to release the touch on the brake disc, so that the brake is released.
Further, the swing joint piece includes spacing portion, rotation portion and first spiro union portion, spacing portion is located the one end that swing joint piece kept away from first spiro union portion and with swing joint piece integrated into one piece, the diameter of spacing portion is greater than the diameter of rotation portion, the brake shoe rotates to be connected on rotation portion, set up on the installation lid inner wall with first spiro union portion threaded connection's first spiro union groove, can make the brake shoe use swing joint piece as the center to produce the conflict to the inner wall of brake disc through the swing joint piece.
Further, a second screw connection part is arranged on the movable connecting piece, the second screw connection part is positioned at one side of the rotating part, a limit ring is connected to the second screw connection part in a threaded manner, and the limit ring is used for blocking the axial movement of the brake shoe.
Further, the second spiral joint groove has been seted up to the one end that the spacing portion was kept away from to the swing joint piece, be equipped with on the installation lid with second spiral joint groove threaded connection's positioning screw, make the swing joint piece can more stable install on the installation lid.
Further, the cable support includes the spliced pole, with the conflict wheel that spliced pole one end is connected and fixed connection swing seat on the spliced pole, the spliced pole rotates with the installation lid to be connected, the holding tank has been seted up on the touch wheel, the extensible member is installed in the inside of holding tank, can drive the spliced pole through the pulling cable and rotate, makes touch wheel and brake shoe inconsistent and brake the work.
Further, the mounting groove has been seted up on the swing seat, install the fixed head in the mounting groove, the one end and the fixed head fixed connection of cable make the cable better with the connection stability of swing seat, and be convenient for dismantle the cable.
Furthermore, the mounting cover is provided with a through hole, the guy cable is fixedly connected with a bearing slide bar which is in sliding connection with the through hole, and the reflecting plate is connected to the bearing slide bar, so that the bearing slide bar can keep rectilinear motion under the guiding action of the through hole when moving along with the guy cable, and further the reflecting plate keeps rectilinear motion.
The above at least one technical scheme adopted by the embodiment of the invention can achieve the following beneficial effects:
when the stay rope is pulled to drive the reflecting plate to move, the distance sensor monitors that the position distance of the reflecting plate exceeds a specified threshold value, signals are transmitted to the controller, the controller controls the telescopic piece to push out to squeeze the brake shoe, so that the brake shoe is tightly abutted against the inner wall of the brake disc, the brake disc is subjected to friction deceleration to brake the output shaft of the gearbox, the braking effect of a vehicle is achieved, and the telescopic piece can be inserted to replace the pulling force of personnel on the stay rope only by generating a certain pulling force on the stay rope, so that the vehicle is more labor-saving.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic diagram of an explosive structure of the present invention;
FIG. 2 is a schematic view of the rotary shoe of the present invention mounted within a brake disc;
FIG. 3 is a schematic view of an isometric structure of the present invention;
FIG. 4 is a schematic view of a partial cross-sectional structure of the present invention;
FIG. 5 is a schematic perspective view of a cable bracket according to the present invention;
FIG. 6 is a schematic perspective view of the movable connector of the present invention;
FIG. 7 is a schematic illustration of the brake shoe and cable bracket connection of the present invention;
fig. 8 is a partially enlarged schematic view of the present invention.
Reference numerals
The brake disc 1, spline grooves 11, mounting cover 2, first flange portion 21, brake shoe 3, cable support 4, rotation column 41, contact roller 42, swinging seat 43, accommodation groove 44, mounting groove 45, fixing head 46, cable 5, expansion element 51, controller 52, reflection plate 53, distance sensor 54, mounting case 6, second flange portion 61, return spring 7, movable connector 8, stopper 81, rotation portion 82, first screw portion 83, first screw portion 84, second screw portion 85, stopper ring 86, second screw portion 87, positioning screw 88, through hole 9, and receiving slide bar 91.
Description of the embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The following describes in detail the technical solutions provided by the embodiments of the present invention with reference to the accompanying drawings.
The embodiment of the invention provides a mechanical parking brake caliper, which comprises a brake disc 1, a mounting cover 2 and a cable bracket 4, wherein the middle part of the brake disc 1 is provided with a spline groove 11, the brake disc 1 is in spline connection with an output shaft of a gearbox through the spline groove 11, the brake disc 1 can be driven to synchronously and circularly move by taking the output shaft of the gearbox as the center when the output shaft of the gearbox rotates, the mounting cover 2 is provided with a first flange part 21, the inside of the mounting cover 2 is provided with a brake shoe 3, when the outer wall of the brake shoe 3 is in contact with the inner wall of the brake disc 1, the brake disc 1 is braked, the cable bracket 4 is provided with a cable 5, the other end of the cable 5 is connected with a brake handle, the cable bracket 4 is used for contacting the brake shoe 3 to swing and the brake disc 1, when a driver pulls the brake handle, the stay rope 5 drives the stay rope support 4 to abut against the brake shoe 3 so as to enable the brake shoe 3 to be in contact with the inner wall of the brake disc 1 to brake, a power assisting component is arranged on the stay rope support 4, the power assisting component comprises a telescopic piece 51, a controller 52, a reflecting plate 53 and a distance sensor 54, the telescopic piece 51 is used for pushing the brake shoe 3 to move, the reflecting plate 53 is connected to the stay rope 5 and synchronously moves along with the stay rope 5, the distance sensor 54 is used for monitoring the movement distance of the reflecting plate 53, the controller 52 is used for receiving signals of the distance sensor 54 to open and close the telescopic piece 51, when the stay rope 5 is pulled to drive the reflecting plate 53 to synchronously move, when the distance sensor 54 detects that the movement distance of the reflecting plate 53 exceeds a specified threshold value, the signals are transmitted to the controller 52 to start the telescopic piece 51, the telescopic piece 51 is used for abutting against the brake shoe 3, thereby replacing manual pulling of the inhaul cable 5 to drive the inhaul cable support 4 to collide with the brake shoe 3, and saving more labor; when a larger braking force needs to be obtained, a larger acting force is often required to be applied to the inhaul cable 5 to enable the brake shoe 3 to collide with the brake disc 1, when the distance between the reflecting plate 53 and the distance sensor 54 is larger, the larger the acting force applied to the inhaul cable 5 is, so that the distance between the inhaul cable 5 and the reflecting plate 53 is detected through the distance sensor 54, and when a driver applies a certain acting force to the inhaul cable 5, the telescopic piece 51 can be used for intervening in the extrusion of the brake shoe 3, so that the purpose of saving labor is achieved.
Preferably, the transmission further comprises a mounting shell 6, the mounting shell 6 is provided with a second flange portion 61, the mounting shell 6 is connected and fixed with the mounting cover 2 by the first flange portion 21 and the second flange portion 61 which are opposite to each other and are mounted between the first flange portion 21 and the second flange portion 61 through bolts, the mounting shell 6 is mounted on the transmission shell, and the brake disc 1 is rotatably connected with the mounting shell 6.
Preferably, the cable support 4 includes a rotating column 41, a contact abutting wheel 42 connected with one end of the rotating column 41, and a swinging seat 43 fixedly connected to the rotating column 41, the rotating column 41 is rotationally connected with the mounting cover 2, a containing groove 44 is formed in the contact abutting wheel 42, a telescopic piece 51 is mounted in the containing groove 44, the contact abutting wheel 42 is elliptical, the contact abutting wheel 42 is located between the two brake shoes 3, a groove corresponding to the contact abutting wheel 42 is formed in one end, close to the contact abutting wheel 42, of the two brake shoes 3, when the cable 5 drives the swinging seat 43 to swing, the swinging seat 43 drives the contact abutting wheel 42 to rotate, the contact abutting wheel 42 extrudes the groove to enable the brake shoes 3 to contact with the brake disc 1 for braking, wherein the telescopic piece 51 can be a device for extruding the brake shoes 3 by a large moment due to structures such as a hydraulic telescopic rod, the movable end of the telescopic piece 51 can be hemispherical, and the telescopic piece 51 is in point contact with the groove joint, so that the movable end of the telescopic piece 51 is larger than the movable end of the brake shoes 3.
Preferably, the mounting groove 45 is formed in the swinging seat 43, the mounting groove 45 is provided with an opening at one end, the fixing head 46 is mounted in the mounting groove 45, one end of the inhaul cable 5 is fixedly connected with the fixing head 46, the fixing head 46 is detachably mounted in the mounting groove 45, after the mounting cover 2 is connected with the mounting shell 6, one end of the swinging seat 43 provided with the mounting groove 45 is opposite to the end face of the brake disc 1, and a gap between the swinging seat 43 and the end face of the brake disc 1 is smaller than the thickness of the fixing head 46, so that the fixing head 46 is not easy to fall off in the mounting groove 45, and then when the mounting cover 2 is detached from the mounting shell 6, the inhaul cable 5 can be removed from the swinging seat 43 conveniently due to a large distance between the swinging seat 43 and the end face of the brake disc 1.
Preferably, the quantity of brake shoe 3 is two, and two brake shoe 3 are relative to be set up and longitudinal section is circular-arc, is connected with reset spring 7 between two brake shoe 3, no longer produces the conflict back to brake shoe 3 at cable support 4, can return two brake shoe 3 through reset spring 7's effect, no longer produce the conflict to brake disc 1, and brake shoe 3 keep away from reset spring 7's one end and can dismantle with installation lid 2 through swing joint 8 and be connected, be convenient for dismantle the change to brake shoe 3 when brake shoe 3 wearing and tearing are great.
Preferably, the movable connecting piece 8 comprises a limiting part 81, a rotating part 82 and a first screw connection part 83, wherein the limiting part 81 is positioned at one end of the movable connecting piece 8 away from the first screw connection part 83 and is integrally formed with the movable connecting piece 8, the diameter of the limiting part 81 is larger than that of the rotating part 82, the brake shoe 3 is rotationally connected to the rotating part 82, the brake shoe 3 cannot fall off from the movable connecting piece 8 through the interference of the limiting part 81 to the brake shoe 3, meanwhile, the brake shoe 3 rotates on the rotating part 82, when the brake shoe 3 is interfered by the inhaul cable bracket 4, the rotating part 82 can swing as a center, so as to generate interference with the circumferential inner wall of the brake disc 1, a first screw connection groove 84 in threaded connection with the first screw connection part 83 is formed in the inner wall of the mounting cover 2, and the first screw connection part 83 and the first screw connection groove 84 are convenient for mounting the movable connecting piece 8 on the mounting cover 2.
Preferably, the movable connecting piece 8 is provided with a second screw connection part 85, the second screw connection part 85 is located at one side of the rotating part 82, and a limiting ring 86 is connected to the second screw connection part 85 in a threaded manner, the limiting ring 86 is used for blocking axial movement of the brake shoe 3, when the brake shoe 3 is installed, the brake shoe 3 is sleeved on the rotating column 41 first, and then the limiting ring 86 is connected to the second screw connection part 85 to limit the brake shoe 3.
Preferably, the end of the movable connecting piece 8 far away from the limiting part 81 is provided with a second threaded groove 87, the mounting cover 2 is provided with a positioning screw 88 in threaded connection with the second threaded groove 87, and after the movable connecting piece 8 is mounted on the mounting cover 2, the positioning screw 88 is in threaded connection with the second threaded groove 87, so that the movable connecting rod can be connected onto the mounting cover 2 more stably.
Preferably, the mounting cover 2 is provided with a through hole 9, the stay cable 5 is fixedly connected with a receiving slide bar 91 which is in sliding connection with the through hole 9, the reflecting plate 53 is fixedly connected to the receiving slide bar 91, when the stay cable 5 is pulled, the stay cable 5 drives the receiving slide bar 91 to slide in the through hole 9, so that the receiving slide bar 91 keeps linear motion, and the reflecting plate 53 keeps linear motion, so that the distance sensor 54 always senses the linear distance between the transmitting plates, and the detection precision is ensured.
The foregoing is merely exemplary of the present invention and is not intended to limit the present invention. Various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are to be included in the scope of the claims of the present invention.
Claims (9)
1. A mechanical parking brake caliper, comprising;
the brake disc (1), the middle part of the brake disc (1) is provided with a spline groove (11), and the brake disc (1) is in spline connection with an output shaft of the gearbox through the spline groove (11);
the brake disc comprises a mounting cover (2), wherein a first flange part (21) is arranged on the mounting cover (2), a brake shoe (3) is arranged in the mounting cover (2), and when the outer wall of the brake shoe (3) is in contact with the inner wall of the brake disc (1), the brake disc (1) brakes;
the brake device comprises a cable bracket (4), wherein a cable (5) is arranged on the cable bracket (4), the other end of the cable (5) is connected with a brake handle, the cable bracket (4) is used for abutting against a brake shoe (3) to swing and abutting against a brake disc (1), and a power assisting component is arranged on the cable bracket (4);
the power assisting assembly comprises a telescopic piece (51), a controller (52), a reflecting plate (53) and a distance sensor (54), wherein the telescopic piece (51) is used for pushing a brake shoe (3) to move, the reflecting plate (53) is connected to a guy cable (5) and synchronously moves along with the guy cable (5), the distance sensor (54) is used for monitoring the movement distance of the reflecting plate (53), and the controller (52) is used for receiving signals of the distance sensor (54) to open and close the telescopic piece (51).
2. A mechanical parking brake caliper according to claim 1, further comprising a mounting housing (6), said mounting housing (6) being provided with a second flange portion (61), said mounting housing (6) being mounted on the gearbox housing, and said brake disc (1) being in rotational connection with the mounting housing (6).
3. A mechanical parking brake caliper according to claim 1, wherein the number of the brake shoes (3) is two, a return spring (7) is connected between the two brake shoes (3), and one end of the brake shoe (3) away from the return spring (7) is detachably connected with the mounting cover (2) through a movable connecting piece (8).
4. A mechanical parking brake caliper according to claim 3, wherein the movable connecting piece (8) comprises a limiting part (81), a rotating part (82) and a first screw connection part (83), the limiting part (81) is located at one end of the movable connecting piece (8) far away from the first screw connection part (83) and is integrally formed with the movable connecting piece (8), the diameter of the limiting part (81) is larger than that of the rotating part (82), the brake shoe (3) is rotationally connected to the rotating part (82), and a first screw connection groove (84) in threaded connection with the first screw connection part (83) is formed in the inner wall of the mounting cover (2).
5. A mechanical parking brake caliper according to claim 4, wherein the movable connecting member (8) is provided with a second screw connection portion (85), the second screw connection portion (85) is located at one side of the rotating portion (82), and a limiting ring (86) is connected to the second screw connection portion (85) in a threaded manner, and the limiting ring (86) is used for blocking axial movement of the brake shoe (3).
6. A mechanical parking brake caliper according to claim 3, wherein a second screw-connection groove (87) is formed at one end of the movable connecting piece (8) far away from the limiting portion (81), and a positioning screw (88) in threaded connection with the second screw-connection groove (87) is arranged on the mounting cover (2).
7. A mechanical parking brake caliper according to claim 1, wherein the cable bracket (4) comprises a rotating column (41), a supporting wheel (42) connected with one end of the rotating column (41) and a swinging seat (43) fixedly connected to the rotating column (41), the rotating column (41) is rotationally connected with the mounting cover (2), a containing groove (44) is formed in the supporting wheel (42), and the telescopic piece (51) is mounted in the containing groove (44).
8. A mechanical parking brake caliper according to claim 7, wherein the swing seat (43) is provided with a mounting groove (45), a fixing head (46) is mounted in the mounting groove (45), and one end of the stay cable (5) is fixedly connected with the fixing head (46).
9. A mechanical parking brake caliper according to claim 1, wherein the mounting cover (2) is provided with a through hole (9), the stay cable (5) is fixedly connected with a receiving slide rod (91) which is slidably connected with the through hole (9), and the reflecting plate (53) is connected to the receiving slide rod (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311521554.1A CN117537018A (en) | 2023-11-15 | 2023-11-15 | Mechanical parking brake caliper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311521554.1A CN117537018A (en) | 2023-11-15 | 2023-11-15 | Mechanical parking brake caliper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117537018A true CN117537018A (en) | 2024-02-09 |
Family
ID=89783641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311521554.1A Pending CN117537018A (en) | 2023-11-15 | 2023-11-15 | Mechanical parking brake caliper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117537018A (en) |
-
2023
- 2023-11-15 CN CN202311521554.1A patent/CN117537018A/en active Pending
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