CN217784082U - Automobile electronic brake hand brake caliper - Google Patents

Abstract

The utility model discloses an automobile electronic brake hand brake caliper, which comprises a caliper body, a friction plate component used for being matched with a brake disc and an electronic driving component, wherein the inner wall of the caliper body forms a caliper inner cavity, and the friction plate component is arranged in the caliper inner cavity; the clamp body also comprises a first clamp wall, a clamp body top and a second clamp wall, and the first clamp wall and the second clamp wall are connected through the clamp body top; the first caliper wall, the top of the caliper body and the second caliper wall form a caliper inner cavity; the oil way system of the caliper body drives a first friction plate and a second friction plate of the friction plate assembly to relatively displace through a first piston and a second piston; the electronic driving assembly is connected with the fourth friction plate of the friction plate assembly through the third piston of the clamp body, and the electronic driving assembly drives the fourth friction plate and the third friction plate of the friction plate assembly to move relatively. The utility model adopts the above structure, the electronic hand brake caliper and the brake caliper are designed into a whole; the brake can be suitable for medium and large hub vehicles, the installation space is saved for brake upgrading, and the manufacturing cost is saved.

Description

Automobile electronic brake hand brake caliper

Technical Field

The utility model relates to a car brake caliper technical field, concretely relates to car electronic braking manual brake calliper.

Background

With the development of the vehicle industry, the demand of consumers for the safety performance of vehicles is higher, wherein the performance of brake calipers is particularly important as an important safety device. Brake calipers refer to components that generate a braking torque, a force that resists movement or the tendency of a vehicle to move. At present, friction type brake calipers are mostly adopted in automobiles, and the friction between a fixed element and a working surface of a rotating element is utilized to generate brake torque.

Among the prior art, the vehicle of back wheel area electron manual brake wants to upgrade brake braking effect, need do two calipers and realize the brake and the parking of vehicle: one caliper realizes normal braking through hydraulic pressure, and the other caliper realizes parking through a motor. The double-caliper structure occupies the installation space and has higher cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to disclose a car electronic braking manual brake calliper, solved and adopted two callipers to realize electronic brake and hydraulic brake among the prior art, installation space occupies greatly, problem with high costs.

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

an automobile electronic brake hand brake caliper comprises a caliper body, a friction plate assembly and an electronic driving assembly, wherein the friction plate assembly is used for being matched with a brake disc; the clamp body also comprises a first clamp wall, a clamp body top and a second clamp wall, and the first clamp wall and the second clamp wall are connected through the clamp body top; the first caliper wall, the top of the caliper body and the second caliper wall form a caliper inner cavity; the oil way system of the caliper body drives a first friction plate and a second friction plate of the friction plate assembly to relatively displace through a first piston of the caliper body and a second piston of the caliper body; the electronic driving assembly is connected with the fourth friction plate of the friction plate assembly through the third piston of the caliper body, and the electronic driving assembly drives the fourth friction plate and the third friction plate of the friction plate assembly to move relatively.

Further, the first tong wall comprises a first piston hole, a first piston sleeved in the first piston hole and a first oil path penetrating through the first piston hole, and the second tong wall comprises a second piston hole, a second piston sleeved in the second piston hole and a second oil path penetrating through the second piston hole; the first oil way and the second oil way are communicated through a hard oil pipe; the first oil way, the second oil way and the hard oil pipe form the oil way system of the clamp body.

Further, the first friction plate is attached to the inner wall of the first tong wall and covers the first piston; the second friction plate is attached to the inner wall of the second tong wall and covers the second piston.

Further, the third piston passes through the second jaw wall, and comprises a third piston outer end and a third piston inner end; the third friction plate is attached to the inner wall of the first tong wall; the fourth friction plate is attached to the inner wall of the second tong wall and covers the inner end of the third piston.

Further, a dustproof sleeve for sealing is clamped between the third piston and the second jaw wall.

Further, the electronic drive assembly includes a motor and a threaded shaft coupled to the motor; the outer wall of the threaded shaft is provided with a first external thread, and the threaded shaft comprises a threaded shaft outer end and a threaded shaft inner end; the motor is connected with the outer end of the threaded shaft and drives the threaded shaft to rotate; the third piston is provided with a first internal thread, the inner end of the threaded shaft is inserted into the third piston through the outer end of the third piston, and the threaded shaft and the third piston are movably connected through the first external thread and the first internal thread.

Further, the motor is connected with the outer end of the threaded shaft through a gear box.

The hand brake assembly comprises a bolt provided with a second external thread, a right-angle threaded sleeve and an installation sleeve connected with the right-angle threaded sleeve; the right-angle thread insert comprises a first right-angle part and a second right-angle part vertically connected with the first right-angle part; the second clamp wall is connected with the mounting sleeve; the first right-angle part of the right-angle thread insert is provided with an internal thread hole which is movably connected with a bolt through a thread, and the second right-angle part is attached to the outer wall of the third friction plate; the bolt penetrates through the mounting sleeve and then extends into the internal thread hole.

Further, the mounting sleeve is connected with the shell of the electronic driving component.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to an automobile electronic brake hand brake caliper, which is mainly applied to a vehicle with an electronic hand brake at the rear wheel of the automobile; the utility model integrates the electronic hand brake caliper and the brake caliper; the brake system can be suitable for medium and large hub vehicles, saves installation space for brake upgrading, and saves manufacturing cost. The utility model discloses can be 3 pistons, 5 piston structure etc. select the calliper that is fit for piston quantity according to different car brake master cylinder fuel feeding.

The utility model is a split structure completed by various procedures such as aluminum alloy forging, CNC processing and the like, adopts bolts and connecting rods for connection, and has independent brake function and independent parking function; collect braking calliper and electron parking calliper as an organic whole, the volume is great relatively, and the adaptation is in each large-scale car rear wheel brake assembly. The CNC computer numerical control machine tool is an automatic machine tool provided with a program control system; the control system is capable of logically processing a program defined by a control code or other symbolic instructions and decoding the program to operate the machine tool to machine a part. The parts machined by the CNC machine have high structural strength.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive effort.

FIG. 1 is a schematic perspective view of an embodiment of the electronic brake caliper for automobile of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic view of FIG. 2 taken along the direction P;

FIG. 4 is a schematic front view of FIG. 1;

FIG. 5 isbase:Sub>A schematic cross-sectional view taken along A-A of FIG. 4;

FIG. 6 is a cross-sectional view taken along the line B-B in FIG. 4;

FIG. 7 is a schematic cross-sectional view taken along line C-C of FIG. 4;

FIG. 8 is a perspective view of the third piston and threaded shaft of the embodiment of FIG. 1 in mating relationship;

FIG. 9 is a schematic sectional elevational view of FIG. 8;

FIG. 10 is a schematic sectional elevational view of the handbrake assembly in the embodiment of FIG. 1;

in the figure, 1, a clamp body; 11. an inner cavity of the caliper; 12. a first jaw wall; 121. a first piston bore; 122. a first piston; 123. a first oil passage; 13. the top of the clamp body; 14. a second jaw wall; 141. a second piston bore; 142. a second piston; 143. a second oil passage; 15. a hard oil pipe; 16. a third piston; 161. a third piston outer end; 162. a third piston inner end; 163. a first internal thread; 17. a dust-proof sleeve; 18. an exhaust screw;

2. a friction plate assembly; 21. a first friction plate; 22. a second friction plate; 23. a third friction plate; 24. a fourth friction plate;

3. an electronic drive assembly; 31. a motor; 32. a threaded shaft; 321. the outer end of the threaded shaft; 322. the inner end of the threaded shaft; 33. a gear case;

4. a hand brake assembly; 41. a bolt; 42. a right-angle thread sleeve; 421. a first right angle portion; 422. a second right angle portion; 423. an internally threaded hole; 43. installing a sleeve;

5. a limit screw; 51. the inner end of the limiting screw rod; 52. the outer end of the limit screw rod.

Detailed Description

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not intended to indicate or imply that the referenced device or element must be in a particular orientation, constructed and operated, and therefore should not be construed as limiting the present invention.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

As shown in the embodiments of fig. 1 to 10, an automotive electronic brake hand brake caliper includes a caliper body 1, a friction plate assembly 2 for cooperating with a brake disc, an electronic driving assembly 3 and a hand brake assembly 4, wherein an inner wall of the caliper body 1 forms a caliper inner cavity 11, and the friction plate assembly 2 is disposed in the caliper inner cavity 11. The electronic drive assembly 3 cooperates with the friction plate assembly 2. The handbrake assembly 4 cooperates with the friction plate assembly 2.

The caliper body 1 further comprises a first caliper wall 12, a caliper body top 13 and a second caliper wall 14, wherein the first caliper wall 12 and the second caliper wall 14 are connected through the caliper body top 13. The first caliper wall 12, the caliper body top 13 and the second caliper wall 14 form a caliper cavity 11. The first tong wall 12 is provided with a first piston hole 121, a first piston 122 sleeved in the first piston hole 121, and a first oil path 123 penetrating through the first piston hole 121, wherein the first piston hole 121 and the first piston 122 are correspondingly matched one by one; the second tong wall 14 is provided with a second piston hole 141, a second piston 142 sleeved in the second piston hole 141, and a second oil path 143 penetrating through the second piston hole 141, and the second piston hole 141 and the second piston 142 are correspondingly matched one to one. The first oil passage 123 and the second oil passage 143 communicate through the hard oil pipe 15. The first oil passage 123, the second oil passage 143, and the hard oil pipe 15 constitute an oil passage system of the caliper body. The friction plate assembly 2 includes a first friction plate 21, a second friction plate 22, and a locating rod (not shown) disposed in opposition. The first friction plate 21 and the second friction plate 22 are disposed opposite to each other and connected by a positioning rod, and the first friction plate 21 is attached to the inner wall of the first caliper 12 and covers the first piston 122. The second friction plate 22 is attached to the inner wall of the second caliper wall 14 and covers the second piston 142. The friction plate assembly 2 adopts a positioning rod structure, so that dislocation in the process that the first friction plate 21 and the second friction plate 22 are close to or far away from each other is avoided. The clamp body 1 further comprises an exhaust screw 18 connected with the oil way system to seal and exhaust the first oil way and the second oil way, and when gas exists in the oil way system, the exhaust screw 18 can be unscrewed to exhaust the gas.

As a further explanation of the present embodiment, the operation flow will now be described: the oil way system of the caliper body 1 is connected with a brake oil pipe of an automobile, and the first friction plate 21 and the second friction plate 22 are respectively arranged on two sides of a brake disc of the automobile; when a user steps on a brake pedal of an automobile, hydraulic oil in the oil circuit system pushes a first piston 122 in a first piston hole 121, meanwhile, the first piston 122 contacts and pushes a first friction plate 21, hydraulic oil in the oil circuit system pushes a second piston 142 in a second piston hole 141, the second piston 142 contacts and pushes a second friction plate 22, the first friction plate 21 and the second friction plate 22 approach to each other, and the first friction plate 21 and the second friction plate 22 clamp a brake disc to achieve a braking effect; conversely, the first friction plate 21 and the second friction plate 22 are away from each other, and the first friction plate 21 and the second friction plate 22 release the brake disk.

As a further description of the present embodiment, the caliper body 1 further includes a third piston 16, the third piston 16 passes through the second caliper wall 14, and a dust-proof sleeve 17 for sealing is interposed between the third piston 16 and the second caliper wall 14. The third piston 16 includes a third outer piston end 161 and a third inner piston end 162. The friction plate assembly 2 includes a third friction plate 23 and a fourth friction plate 24 disposed in opposition. The third friction plate 23 and the fourth friction plate 24 are oppositely arranged and connected through a positioning rod, and the third friction plate 23 is attached to the inner wall of the first caliper wall 12. The fourth friction plate 24 is attached to the inner wall of the second caliper wall 14 and covers the third piston inner end 162. By adopting the structure of the positioning rod, the dislocation of the third friction plate and the fourth friction plate in the opposite direction approaching or keeping away from each other is avoided.

As a further explanation of the present embodiment, the electronic drive assembly 3 includes a motor 31 and a threaded shaft 32 connected to the motor 31. The outer wall of the threaded shaft 32 is provided with a first outer thread, and the threaded shaft 32 comprises a threaded shaft outer end 321 and a threaded shaft inner end 322. The motor 31 is connected to the threaded shaft outer end 321 and drives the threaded shaft 32 to rotate. The third piston 16 is provided with a first internal thread 163, the threaded shaft inner end 322 is inserted into the third piston 16 through the third piston outer end 161, and the threaded shaft 32 and the third piston 16 are movably threaded through the first external thread and the first internal thread. In this embodiment, the motor 31 is connected to the threaded shaft outer end 321 through a gear box 33. Now, the operation flow is described: when a user starts the electronic brake, if the motor 31 drives the threaded shaft 32 to rotate forward through the gear box 33, the third piston 16 movably connected with the threaded shaft is driven by the threaded shaft 32 to displace towards the fourth friction plate 24, the inner end 162 of the third piston contacts with the fourth friction plate 24 and pushes the fourth friction plate 24, meanwhile, the third friction plate 23 and the fourth friction plate 24 approach to each other, and the third friction plate 23 and the fourth friction plate 24 clamp the brake disc, so as to realize the brake effect; if the motor 31 drives the threaded shaft 32 to rotate reversely through the gear box 33, the third piston 16 is driven by the threaded shaft 32 to move away from the fourth friction plate 24, the inner end 162 of the third piston does not push the fourth friction plate, and simultaneously the third friction plate 23 and the fourth friction plate 24 move away from each other, so as to release the brake disc of the third friction plate 23 and the fourth friction plate 24.

As a further explanation of the present embodiment, the handbrake assembly 4 comprises a bolt 41 provided with a second external thread, a right-angle thread insert 42 and a mounting sleeve 43 connecting the right-angle thread insert 42. The right-angle insert 42 includes a first right-angle portion 421 and a second right-angle portion 422 perpendicularly connected to the first right-angle portion 421. The second jaw wall 14 is connected to a mounting sleeve 43, and the mounting sleeve 43 is connected to the housing of the electronic driving assembly 3. The first right-angle portion 421 of the right-angle thread insert 42 is provided with an internal thread hole 423 movably screwed with the bolt 41, and the second right-angle portion 422 is attached to the outer wall of the third friction plate 23. The bolt 41 passes through the mounting sleeve 43 and then extends into the internally threaded hole 423. Now, the operation flow is described: the bolt 41 rotates forwards, the right-angle threaded sleeve 42 in threaded connection with the bolt 41 displaces towards the third friction plate 23, the second right-angle part 422 is in contact with the third friction plate 23 and pushes the third friction plate 23, meanwhile, the third friction plate 23 and the fourth friction plate 24 approach to each other, and the third friction plate 23 and the fourth friction plate 24 clamp the brake disc, so that the braking effect is realized; if the bolt 41 is reversely rotated, the right-angle thread sleeve 42 screwed with the bolt 41 is displaced away from the third friction plate 23, and simultaneously the third friction plate 23 and the fourth friction plate 24 are moved away from each other, so that the third friction plate 23 and the fourth friction plate 24 loosen the brake disc.

The embodiment is mainly applied to the vehicle with the electronic hand brake on the rear wheel of the vehicle; in the embodiment, the electronic hand brake caliper and the brake caliper are designed into a whole; the brake can be suitable for medium and large hub vehicles, the installation space is saved for brake upgrading, and the manufacturing cost is saved. As a further description of the embodiment, the embodiment may be a 3-piston and 5-piston structure, and calipers suitable for the number of pistons are selected according to oil supply amounts of different automobile brake master pumps.

As a further explanation of the present embodiment, the present embodiment further comprises a limit screw 5 for connecting the handbrake assembly 4. The stop screw 5 comprises a stop screw inner end 51 and a stop screw outer end 52. The inner end 51 of the limit screw is connected with the second caliper wall 14, the mounting sleeve 43 connected with the hand brake assembly 4 is connected with the limit screw 5, and meanwhile, the mounting sleeve 43 is connected with the gear box 33 of the electronic driving assembly 3. The stop screw outer end 52 faces the gear box 33.

The split type structure is completed through various procedures such as aluminum alloy forging, CNC machining and the like, is connected by bolts and connecting rods, and has an independent brake function and an independent parking function; the electronic parking brake caliper integrates the brake caliper and the electronic parking caliper into a whole, has relatively large volume and is suitable for rear wheel brake assemblies of various medium and large-sized automobiles. The CNC computer numerical control machine tool is an automatic machine tool provided with a program control system; the control system is capable of logically processing a program defined by a control code or other symbolic instructions and decoding the program to operate the machine tool and machine the part. The parts machined by the CNC machine have high structural strength.

Other structures of the present embodiment are referred to in the prior art.

As a further explanation of the present invention, the technical features in the embodiments and the embodiments of the present invention can be combined with each other without conflict. The present invention is not limited to the above embodiment, and various modifications and variations of the present invention are also intended to be included within the scope of the claims and the equivalent technical scope of the present invention if they do not depart from the spirit and scope of the present invention.

Claims (9)

1. The utility model provides an automobile electronic braking manual brake calliper which characterized in that: the brake caliper comprises a caliper body (1), a friction plate assembly (2) and an electronic driving assembly (3), wherein the friction plate assembly is matched with a brake disc, a caliper inner cavity (11) is formed in the inner wall of the caliper body, and the friction plate assembly is arranged in the caliper inner cavity; the pliers body (1) further comprises a first pliers wall (12), a pliers body top (13) and a second pliers wall (14), and the first pliers wall and the second pliers wall are connected through the pliers body top; the first caliper wall, the top of the caliper body and the second caliper wall form a caliper inner cavity; the oil way system of the caliper body drives a first friction plate (21) and a second friction plate (22) of the friction plate assembly to relatively displace through a first piston (122) of the caliper body and a second piston (142) of the caliper body; the electronic driving assembly is connected with a fourth friction plate (24) of the friction plate assembly through a third piston (16) of the caliper body, and the electronic driving assembly drives the fourth friction plate (24) and a third friction plate (23) of the friction plate assembly to move relatively.

2. The automotive electronic brake handbrake caliper according to claim 1, wherein: the first tong wall (12) comprises a first piston hole (121), a first piston (122) sleeved in the first piston hole and a first oil path (123) penetrating through the first piston hole, and the second tong wall comprises a second piston hole (141), a second piston (142) sleeved in the second piston hole and a second oil path (143) penetrating through the second piston hole; the first oil way and the second oil way are communicated through a hard oil pipe (15); the first oil path, the second oil path and the hard oil pipe form the oil path system of the clamp body (1).

3. The automotive electronic brake handbrake caliper according to claim 1, wherein: the first friction plate (21) is attached to the inner wall of the first clamp wall (12) and covers the first piston (122); the second friction plate (22) is attached to the inner wall of the second tong wall (14) and covers the second piston (142).

4. The automotive electronic brake handbrake caliper according to claim 1, wherein: the third piston (16) passes through the second jaw wall (14), and comprises a third piston outer end (161) and a third piston inner end (162); the third friction plate (23) is attached to the inner wall of the first tong wall (12); the fourth friction plate (24) is attached to the inner wall of the second tong wall (14) and covers the inner end of the third piston.

5. The automotive electronic brake caliper of claim 4, characterized in that: and a dustproof sleeve (17) for sealing is arranged between the third piston (16) and the second clamp wall (14).

6. The automotive electronic brake caliper of claim 4, characterized in that: the electronic drive assembly (3) comprises a motor (31) and a threaded shaft (32) connected with the motor; the outer wall of the threaded shaft is provided with a first external thread, and the threaded shaft comprises a threaded shaft outer end (321) and a threaded shaft inner end (322); the motor is connected with the outer end of the threaded shaft and drives the threaded shaft to rotate; the third piston is provided with a first internal thread (163), the inner end of the threaded shaft is inserted into the third piston through the outer end of the third piston, and the threaded shaft and the third piston are movably connected through the first external thread and the first internal thread.

7. The automotive electronic brake handbrake caliper according to claim 6, wherein: the motor (31) is connected with the outer end (321) of the threaded shaft through a gear box.

8. The automotive electronic brake caliper according to any one of claims 1 to 7, characterized in that: the hand brake assembly comprises a bolt (41) provided with a second external thread, a right-angle thread sleeve (42) and a mounting sleeve (43) connected with the right-angle thread sleeve; the right-angle thread insert comprises a first right-angle part (421) and a second right-angle part (422) vertically connected with the first right-angle part; the second clamp wall (14) is connected with the mounting sleeve; a first right-angle part (421) of the right-angle thread insert is provided with an internal thread hole (423) movably connected with a bolt through a thread, and a second right-angle part is attached to the outer wall of the third friction plate (23); the bolt penetrates through the mounting sleeve and then extends into the internal thread hole.

9. The automotive electronic brake caliper of claim 8, characterized in that: the mounting sleeve is connected with the shell of the electronic driving component (3).

Images