CN220791853U

CN220791853U - Central parking brake

Info

Publication number: CN220791853U
Application number: CN202322372487.3U
Authority: CN
Inventors: 陆由南; 何其江; 郭亦义; 傅炎木; 郝汉青; 寿轩远; 付德春; 王金晶; 田珊
Original assignee: Zhejiang VIE Science and Technology Co Ltd
Current assignee: Zhejiang VIE Science and Technology Co Ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-04-16
Anticipated expiration: 2033-08-31

Abstract

The utility model relates to the field of braking and discloses a central parking brake, which comprises a caliper body (1), wherein an assembly groove (2) for installing a brake block (4) is formed in the caliper body (1), an installation groove (3) for fixedly installing a magnet (5) is formed in the bottom of the assembly groove (2), the central parking brake further comprises the brake block (4) and the magnet (5), the brake block (4) is in clearance fit with the assembly groove (2), the magnet (5) is fixedly installed in the installation groove (3), and at least part of the brake block (4) is made of a magnetic material. The brake has the advantages of reliable braking, avoiding drag grinding and the like.

Description

Central parking brake

Technical Field

The utility model relates to the field of parking brakes, in particular to a central parking brake.

Background

Chinese patent CN201911190781.4 discloses a disc-type electronic central parking brake assembly, which belongs to one of the existing electronic disc-type parking brakes. The automobile parking can be divided into wheel side parking and central parking according to the structure and the position, the central parking is commonly arranged on the transmission shaft, the middle transmission shaft is clamped through the pull arm during parking, the pull arm is released when the parking is not needed, and the brake block is separated from the brake disc.

In the field of commercial vehicles, a common wheel side brake has a parking function, particularly for off-road vehicles, the vehicle needs to travel on bad road and slope road conditions frequently, and has higher requirements on the parking capability of the vehicle, and parking can not be completely realized under specific conditions, for example, the wheel side brake exists on a 40% slope, and an auxiliary central parking disc brake needs to be added on a transmission shaft.

Because such a center parking disc brake does not have a gap adjusting function, as the brake pad-to-disc gap increases, the entire center parking disc brake may drag with the brake pad as the vehicle fluctuates.

Disclosure of Invention

The present utility model addresses the shortcomings of the prior art by providing a central parking brake.

In order to solve the technical problems, the utility model is solved by the following technical scheme:

the utility model provides a central parking brake, includes the pincers body, is provided with the mounting groove of installation brake block on the pincers body, is provided with the mounting groove that is used for fixed mounting magnet on the bottom surface of mounting groove, still includes brake block and magnet, and the brake block is clearance fit with the mounting groove, and magnet fixed mounting is in the mounting groove, and the brake block is made for magnetic material at least part.

Preferably, through holes are further formed in the bottom surface of the assembly groove, and the through holes are distributed around the installation groove.

Preferably, the caliper body comprises a body and a mounting seat, the body comprises an outer braking arm and an inner braking arm, a braking area for placing a braking disc is formed between the outer braking arm and the inner braking arm, an assembly opening is formed in the outer braking arm, the mounting seat is fixedly mounted in the assembly opening, and a mounting groove is formed in the mounting seat.

Preferably, the mounting seat further comprises a retainer ring, wherein the retainer ring is arranged on the side face of the mounting opening and limits the outer side of the mounting seat.

Preferably, the pliers body is further provided with a connecting hole for connecting with the automobile body, a sliding pin is arranged in the connecting hole, the sliding pin and the connecting hole are in clearance fit, the pliers body can slide relative to the sliding pin, a return spring is arranged in the connecting hole, two ends of the connecting hole are provided with limiting steps for limiting the return spring, the middle part of the sliding pin is provided with a supporting ring, and the return springs are divided into two parts and are respectively distributed on the upper side and the lower side of the supporting ring.

Preferably, the return springs are sleeved on the sliding pins, one ends of the return springs are abutted against the limiting steps, and the other ends of the return springs are abutted against the supporting rings.

Preferably, the return spring is a wave spring.

Preferably, one end of the connecting hole is provided with a mounting groove hole, a limiting sleeve is arranged in the mounting groove hole, the inner end surface of the limiting sleeve is used for limiting the return spring at the end, and the limiting sleeve is fixedly connected with the side surface of the assembly groove.

Preferably, the device further comprises a sealing sleeve, wherein first limiting grooves are formed in the upper end of the connecting hole and the limiting step at the lower end of the connecting hole, second limiting grooves are formed in the outer side faces of the upper end and the lower end of the sliding pin, the outer ring of the sealing sleeve is arranged in the first limiting grooves, and the inner ring of the sealing sleeve is arranged in the second limiting grooves.

Due to the adoption of the technical scheme, the utility model has the following remarkable technical effects:

the utility model discloses a central parking brake which has the advantages of convenience in brake pad replacement, quick return, no dragging and the like.

Drawings

Fig. 1 is a schematic view of the overall structure of the device.

Fig. 2 is a bottom view of fig. 1.

Fig. 3 is a cross-sectional view of fig. 2.

Fig. 4 is a cross-sectional view of fig. 2.

The technical names of the reference numerals in the drawings are: 1-pliers body, 2-assembly groove, 3-mounting groove, 4-brake block, 5-magnet, 6-steel backing, 7-friction disc, 8-outer brake arm, 10-inner brake arm, 11-braking area, 12-assembly mouth, 13-through hole, 14-retainer ring, 15-location step, 16-connecting hole, 17-slide pin, 18-spacing step, 19-support ring, 20-mounting slot hole, 21-stop collar, 22-first spacing groove, 23-second spacing groove.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings and examples.

Example 1

The utility model provides a central parking brake, includes the pincers body 1, is provided with the mounting groove 2 of installation brake block 4 on the pincers body 1, is provided with the mounting groove 3 that is used for fixed mounting magnet 5 on the bottom surface of mounting groove 2, still includes brake block 4 and magnet 5, and brake block 4 is clearance fit with mounting groove 2, and magnet 5 fixed mounting is in mounting groove 3, and brake block 4 is made for magnetic material at least in part. In this embodiment, the brake block 4 includes a steel back 6 and a friction plate 7 connected to the steel back 6, where the steel back 6 is fixedly connected to the caliper body 1 under the action of the magnet 5, so as to avoid the problem of braking failure caused by relative movement between the brake block 4 and the caliper body 1.

Because of the special structure of the central controller, the general central parking brake generally has no gap adjusting function, so the scheme creatively carries out the following structural design. The structure of the assembly groove comprises the assembly groove 2, through holes 13 are further formed in the bottom surface of the assembly groove, and the through holes 13 are distributed around the installation groove 3. The through holes 13 can be directly communicated with the steel backs 6, so that the steel backs 6 can be directly separated from the magnets 5 through the through holes 13 by using external force outside, and the brake blocks 4 or the friction plates 7 can be conveniently replaced.

In this scheme, in order to reduce the processing degree of difficulty and increase the suitability of whole stopper, the caliper body 1 include body and mount pad 25, the body includes outer brake arm 8 and interior brake arm 10, forms the braking district 11 that is used for placing the brake disc between outer brake arm 8 and the interior brake arm 10, is provided with assembly mouth 12 on the outer brake arm 8, mount pad 25 fixed mounting is in assembly mouth 12, mounting groove 3 is seted up on mount pad 25. The mounting seat 25 can directly assemble the magnet 5 and the brake block 4 before assembling, so that the assembling is simpler when the brake is assembled, and the mounting seat 25 can be directly arranged at the assembling port 12 on the caliper body 1. At the same time, the design can replace brake pads 4 with different structures and internal dimensions, so as to adapt to the braking requirements of different brakes.

In this embodiment, the brake further includes a retainer ring 14, the retainer ring 14 is a spring retainer ring 14, and the retainer ring 14 is mounted on the side surface of the mounting opening 12 and limits the outer side of the mounting seat 25. The clamp body 1 is provided with a positioning step 15, and when the installation shaft is axially assembled at the assembly port 12, the inward direction is limited by the positioning step 15, so that the installation seat 25 and the clamp body 1 can be fixed only by limiting the installation seat 25 outside.

In this embodiment, since the brake belongs to a floating brake, the caliper body 1 is further provided with a connecting hole 16 for connecting with a vehicle body, a sliding pin 17 is disposed in the connecting hole 16, the sliding pin 17 is in clearance fit with the connecting hole 16, the caliper body 1 can slide relative to the sliding pin 17, a return spring is disposed in the connecting hole 16, two ends of the connecting hole 16 are provided with limiting steps 18 for limiting the return spring, a supporting ring 19 is disposed in the middle of the sliding pin 17, and the return springs are distributed on the upper side and the lower side of the supporting ring 19 respectively. The structure design solves the following problems of the traditional brake, the caliper body 1 can slide relative to the sliding pin 17 under the condition of not braking under severe working conditions, particularly in the process of ascending and descending, so that the central brake has the problems of easy abrasion and the like, and the pain point of the industry is solved through the anti-abrasion design. Because the clamp body 1 can only axially slide when sliding, the two groups of return springs arranged in the scheme limit the movement of the clamp body 1 in two axial directions, so that the clamp body 1 cannot slide greatly under the condition, and the phenomenon of dragging is avoided.

In this embodiment, the return springs are all sleeved on the sliding pin 17, one ends of the return springs are abutted against the limiting step 18, and the other ends of the return springs are abutted against the supporting ring 19. Specifically, in this embodiment, an upper end of the return spring located on the upper side of the support ring 19 is supported on the limit step 18 at the upper end, and a lower end is supported on the upper end surface of the support ring 19; the upper end of the return spring positioned at the lower side of the support ring 19 is supported on the lower end surface of the support ring 19, and the lower end is supported on the limit step 18 at the lower end.

In this embodiment, in order to make the return spring have a larger rebound force in a smaller space, the return springs are all wave springs.

In this embodiment, in order to facilitate the installation of the return spring, one end of the connecting hole 16 is provided with an installation slot 20, a stop collar 21 is installed in the installation slot 20, and an inner end surface of the stop collar 21 is used for limiting the return spring at the end, and the stop collar 21 is fixedly connected with a side surface of the assembly slot 2. The installation of the sliding pin 17 and the return spring under the structure is divided into the following steps that firstly, the return spring at the lower end is installed from the installation slotted hole 20 to the bottom of the connecting hole 16 and supported by the limit step 18 at the lower end, then the sliding pin 17 is installed in the connecting hole 16 and the return spring at the lower end, then the return spring at the upper end is sleeved on the sliding pin 17, and finally the limit sleeve 21 is fixedly installed in the installation slotted hole 20.

The embodiment further comprises a sealing sleeve 24, wherein the upper end and the lower end of the connecting hole 16 are respectively provided with a first limiting groove 22, the outer side surfaces of the upper end and the lower end of the sliding pin 17 are respectively provided with a second limiting groove 23, the outer ring of the sealing sleeve 24 is arranged in the first limiting groove 22, and the inner ring of the sealing sleeve 24 is arranged in the second limiting groove 23. Wherein the first limit groove 22 at the upper end is arranged on the inner side surface of the limit sleeve 21.

Example 2

The difference from example 1 is that: the number of the through holes 13 is 4.

Example 3

The difference from example 1 is that: the number of slide pins 17 is two.

Claims

1. A central parking brake, characterized by: including the pincers body (1), be provided with mounting groove (2) of installation brake block (4) on the pincers body (1), be provided with mounting groove (3) that are used for fixed mounting magnet (5) on the bottom of mounting groove (2), still include brake block (4) and magnet (5), brake block (4) are clearance fit with mounting groove (2), magnet (5) fixed mounting is in mounting groove (3), and brake block (4) are partly made for magnetic material at least.

2. A central parking brake as claimed in claim 1, wherein: through holes (13) are also formed in the bottom surface of the assembly groove (2), and the through holes (13) are distributed around the installation groove (3).

3. A central parking brake as claimed in claim 1, wherein: the pliers body (1) comprises a body and an installation seat (25), the body comprises an outer braking arm (8) and an inner braking arm (10), a braking area (11) for placing a braking disc is formed between the outer braking arm (8) and the inner braking arm (10), an assembly opening (12) is formed in the outer braking arm (8), the installation seat (25) is fixedly installed in the assembly opening (12), and the installation groove (3) is formed in the installation seat (25).

4. A central parking brake as claimed in claim 3, wherein: through holes (13) are also formed in the bottom surface of the assembly groove (2), and the through holes (13) are distributed around the installation groove (3).

5. A central parking brake as claimed in claim 3, wherein: the novel assembly device further comprises a retainer ring (14), wherein the retainer ring (14) is arranged on the side face of the assembly port (12) and limits the outer side of the mounting seat (25).

6. A central parking brake as claimed in claim 1, wherein: the pliers are characterized in that connecting holes (16) used for being connected with a vehicle body are further formed in the pliers body (1), sliding pins (17) are arranged in the connecting holes (16), the sliding pins (17) and the connecting holes (16) are in clearance fit, the pliers body (1) can slide relative to the sliding pins (17), return springs are arranged in the connecting holes (16), limiting steps (18) used for limiting the return springs are arranged at two ends of the connecting holes (16), supporting rings (19) are arranged in the middle of the sliding pins (17), and the return springs are divided into two parts and are respectively distributed on the upper side and the lower side of the supporting rings (19).

7. A central parking brake as defined in claim 6, wherein: the return springs are all sleeved on the sliding pins (17), one ends of the return springs are abutted against the limiting steps (18), and the other ends of the return springs are abutted against the supporting rings (19).

8. A central parking brake as defined in claim 6, wherein: the return spring is a wave spring.

9. A central parking brake as defined in claim 6, wherein: one end of the connecting hole (16) is provided with a mounting groove hole (20), a limit sleeve (21) is arranged in the mounting groove hole (20), the inner end surface of the limit sleeve (21) is used for limiting the return spring at the end, and the limit sleeve (21) is fixedly connected with the side surface of the assembly groove (2).

10. A central parking brake as defined in claim 6, wherein: still include seal cover (24), all be provided with first spacing groove (22) on the upper end of connecting hole (16) and the spacing step of lower extreme (18), all be provided with second spacing groove (23) on the upper end and the lower extreme lateral surface of slide pin (17), the outer lane of seal cover (24) is installed in first spacing groove (22), the inner circle of seal cover (24) is installed in second spacing groove (23).