CN208919137U - A kind of drum brake of band short bracing wire and disconnecting prevention structure torque arm - Google Patents

A kind of drum brake of band short bracing wire and disconnecting prevention structure torque arm Download PDF

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Publication number
CN208919137U
CN208919137U CN201821441411.4U CN201821441411U CN208919137U CN 208919137 U CN208919137 U CN 208919137U CN 201821441411 U CN201821441411 U CN 201821441411U CN 208919137 U CN208919137 U CN 208919137U
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China
Prior art keywords
bracing wire
torque arm
assembly
prevention structure
disconnecting prevention
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Active
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CN201821441411.4U
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Chinese (zh)
Inventor
汪永胜
李学佳
王变变
黄伟杰
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Zhejiang Asia Pacific Mechanical and Electronic Co Ltd
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Zhejiang Asia Pacific Mechanical and Electronic Co Ltd
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Priority to CN201821441411.4U priority Critical patent/CN208919137U/en
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Abstract

The utility model discloses a kind of drum brakes of band short bracing wire and disconnecting prevention structure torque arm.One end of torque arm is hinged on the upper end from hoof assembly by torque arm pin, the other end of torque arm bends to hook-shaped formation disconnecting prevention structure, disconnecting prevention structure of one end clasp joint of short bracing wire in torque arm, the other end of short bracing wire passes through the parking brake bracing wire connection on the outlet hole and vehicle of floor pan assembly, facilitate client's quick-replaceable parking brake bracing wire by increasing a short bracing wire between parking brake bracing wire and brake torque arm, plays the function of parking.One end of short bracing wire is equipped with end cap, and end cap, which is stuck in disconnecting prevention structure side, prevents parking function caused by short bracing wire abjection from failing.One end of torque arm extends downwardly back-flexing again at U-shaped to form disconnecting prevention structure.The utility model is designed reasonably, structure is simple, easy for installation, realizes client's fast assembling-disassembling and maintenance parking brake and parking brake bracing wire, and dismounting is easy to maintenance, and time saving and energy saving, torque arm end, which increases, disconnecting prevention structure, guarantees stable parking function.

Description

A kind of drum brake of band short bracing wire and disconnecting prevention structure torque arm
Technical field
The utility model relates to drum brake fields, and in particular to a kind of drum-type of band short bracing wire and disconnecting prevention structure torque arm Brake.
Background technique
Typically, in general brake design, parking brake bracing wire pulls up string holes by brake backing plate and protrudes into braking It, could will be in torque arm that parking brake bracing wire is installed to brake inside in the case where not installing brake drum and tire inside device.This Kind of design causes client to dismantle every time when needing repairing and replacing parking brake bracing wire tire and brake drum, time-consuming and laborious.Therefore, It is highly desirable to design a kind of New Brake assembly, to overcome the defects of technology.
Utility model content
Aiming at the problems existing in the prior art, the purpose of this utility model is to design a kind of short bracing wire of band and anticreep knot The drum brake of structure torque arm.
The utility model solve the technical solution adopted is as follows:
The utility model is mainly formed by floor pan assembly, from hoof assembly, neck hoof assembly and self-adjusting mechanism assembly, self-adjusting mechanism Assembly is connected to described between hoof assembly and neck hoof assembly, and the utility model further includes torque arm and short bracing wire, one end of torque arm The upper end from hoof assembly is hinged on by torque arm pin, the other end of torque arm bends to hook-shaped formation disconnecting prevention structure, and the one of short bracing wire End hook connects the disconnecting prevention structure in torque arm, and the other end of short bracing wire passes through the parking brake bracing wire on the outlet hole and vehicle of floor pan assembly and connects It connects, facilitates client's quick-replaceable parking brake bracing wire by increasing a short bracing wire between parking brake bracing wire and brake torque arm, rise To the function of parking.
One end of short bracing wire is equipped with end cap, and end cap, which is stuck in disconnecting prevention structure side, prevents parking function caused by short bracing wire abjection It can failure.
One end of torque arm extends downwardly back-flexing again and forms disconnecting prevention structure.
It is supported on the two sides of floor pan assembly rest pad respectively from the lower end of hoof assembly and neck hoof assembly, the upper end of rest pad is set There is bending part, is placed in bending part in the middle part of short bracing wire.
When driving parking, parking brake bracing wire drives short bracing wire to pull torque arm, and torque arm is transmitted pulling force by self-adjusting mechanism assembly To from hoof assembly and neck hoof assembly, struts from hoof assembly and neck hoof assembly and compressed with brake drum, realize parking.
The beneficial effects of the utility model are as follows:
1) increase a short bracing wire between parking brake bracing wire and brake torque arm, rationally, structure is simple, installation side for design Just;
2) client's fast assembling-disassembling and maintenance parking brake and parking brake bracing wire are realized, dismounting is easy to maintenance, time saving and energy saving;
3) torque arm end increases disconnecting prevention structure, guarantees stable parking function.
Detailed description of the invention
Fig. 1 is the front view of the utility model;
Fig. 2 is the axonometric drawing of the utility model;
Fig. 3 is short bracing wire schematic diagram and short the bracing wire sectional view with torque arm and parking brake bracing wire interface respectively;
Fig. 4 is torque arm shape and disconnecting prevention structure schematic diagram.
In figure: 1. floor pan assemblies, 2. from hoof assembly, 2.1. parking torque arm, 3. wheel cylinder assemblies, 4. self-adjusting mechanism assemblies, and 5. Lead hoof assembly, 6. short bracing wires, 7. self-regulated shift plates, return spring on 8., 9. press spring bases, 10. pressure spring pull rods, 11. pressure springs, under 12. Return spring.
Specific embodiment
With reference to the accompanying drawings and detailed description, installation and use process are further described the utility model.
As shown in Figure 1, 2, the utility model includes floor pan assembly 1, from hoof assembly 2, wheel cylinder assembly 3, self-adjusting mechanism assembly 4, hoof assembly 5, self-regulated shift plate 7, upper return spring 8, press spring base 9, pressure spring pull rod 10, pressure spring 11, lower return spring 12, bottom plate are led Assembly 1 supports all of above part, and wheel cylinder assembly 3 is fixedly mounted on the wheel cylinder mounting hole of 1 top of floor pan assembly, floor pan assembly 1 two sides are symmetrically distributed with from hoof assembly 2 and neck hoof assembly 5, are supported on respectively from the upper and lower ends of hoof assembly 2 and neck hoof assembly 5 On 1 rest pad of piston and floor pan assembly of wheel cylinder, passes through pressure spring mechanism from the middle part of hoof assembly 2 and neck hoof assembly 5 and be connected to On floor pan assembly 1, pressure spring mechanism includes pressure spring pull rod 10, press spring base 9 and pressure spring 11, and it is total that 10 one end of pressure spring pull rod is connected to bottom plate At 1, the other end is passed through to be connected from hoof assembly 2 or neck hoof assembly 5 and press spring base 9, press spring base 9 with from hoof assembly 2 or neck hoof assembly 5 Between pressure spring pull rod 10 on be set with pressure spring 11.
It links together from 2 top of hoof assembly and neck 5 upper end of hoof assembly by upper return spring 8 hook, under hoof assembly 2 End and neck 5 lower end of hoof assembly are linked together by lower return spring 12 hook, and upper return spring 8 and lower return spring 12 guarantee Two hoof return to original position after opening in time.
The both ends of self-adjusting mechanism assembly 4 are fixedly connected and pass through with from the card slot of hoof assembly 2, neck 5 upper end of hoof assembly respectively Upper return spring 8 compresses, whole by the progress clearance self-regulating of self-adjusting mechanism assembly 4 between hoof assembly 2 and neck hoof assembly 5;Self-regulated Shift plate 7 is hinged on the top of neck hoof assembly 5 and is connected by spring with the lower elastic of neck hoof assembly 5, the hook portion of self-regulated shift plate 7 It is matched with the ratchet structure in self-adjusting mechanism assembly 4, when self-regulated shift plate 5 stirs ratchet wheel, the length of gap adjusting mechanism Degree increases.
The utility model further includes torque arm 2.1 and short bracing wire 6, and one end of torque arm 2.1 is hinged on total from hoof by torque arm pin At 2 upper end, the other end of torque arm 2.1 bends to hook-shaped formation disconnecting prevention structure 13, and one end clasp joint of short bracing wire 6 is in torque arm 2.1 Disconnecting prevention structure 13, the other end of short bracing wire 6 passes through the parking brake bracing wire connection on the outlet hole and vehicle of floor pan assembly 1, passes through Increase a short bracing wire between parking brake bracing wire and brake torque arm to facilitate client's quick-replaceable parking brake bracing wire, plays parking Function.
As shown in figure 3, one end of short bracing wire 6 is equipped with end cap, for the section of end face as shown in B-B, end cap is stuck in disconnecting prevention structure Parking function fails caused by 13 sides prevent short bracing wire 6 from deviating from, the other end of short bracing wire 6 and the interface such as A- of parking brake bracing wire Shown in A.
Prevent as shown in figure 4, the end of the separate torque arm pin of torque arm 2.1 extends downwardly back-flexing again at U-shaped to be formed De- structure, the partial enlarged view of disconnecting prevention structure is as shown at c.
In specific implementation, it is supported on the two sides of 1 rest pad of floor pan assembly, branch respectively from hoof assembly 2 and neck 5 lower end of hoof assembly The upper end of supporting block is equipped with bending part, and the middle part of short bracing wire 6 is placed in bending part.
The course of work of the utility model is as follows: when driving parking, parking brake bracing wire drives short bracing wire 6 to pull torque arm 2.1, draws Pulling force is transmitted to from hoof assembly 2 and neck hoof assembly 5 by arm 2.1 by self-adjusting mechanism assembly 4, is supportted from hoof assembly 2 and neck hoof assembly 5 It opens and is compressed with brake drum, realize parking.

Claims (5)

1. a kind of drum brake of band short bracing wire and disconnecting prevention structure torque arm, mainly by floor pan assembly (1), from hoof assembly (2), neck Hoof assembly (5) and self-adjusting mechanism assembly (4) composition, self-adjusting mechanism assembly (4) are connected to described from hoof assembly (2) and neck hoof assembly (5) between, it is characterised in that: further include torque arm (2.1) and short bracing wire (6), one end of torque arm (2.1) is hinged on by torque arm pin From the upper end of hoof assembly (2), the other end of torque arm (2.1) bends to hook-shaped formation disconnecting prevention structure, one end clasp joint of short bracing wire (6) The other end of disconnecting prevention structure (13) in torque arm (2.1), short bracing wire (6) passes through on the outlet hole and vehicle of floor pan assembly (1) Parking brake bracing wire connection.
2. the drum brake of a kind of band short bracing wire and disconnecting prevention structure torque arm according to claim 1, it is characterised in that: institute The one end for the short bracing wire (6) stated is equipped with end cap, and end cap, which is stuck in disconnecting prevention structure side, prevents short bracing wire (6) from deviating from.
3. the drum brake of a kind of band short bracing wire and disconnecting prevention structure torque arm according to claim 1, it is characterised in that: institute The one end for the torque arm (2.1) stated extends downwardly back-flexing again and forms disconnecting prevention structure (13).
4. the drum brake of a kind of band short bracing wire and disconnecting prevention structure torque arm according to claim 1, it is characterised in that: institute The slave hoof assembly (2) stated and neck hoof assembly (5) lower end are supported on the two sides of floor pan assembly (1) rest pad respectively, rest pad it is upper End is equipped with bending part, is placed in bending part in the middle part of short bracing wire (6).
5. the drum brake of a kind of band short bracing wire and disconnecting prevention structure torque arm according to claim 1, it is characterised in that: row When vehicle parking, parking brake bracing wire drives short bracing wire (6) to pull torque arm (2.1), and torque arm (2.1) will be drawn by self-adjusting mechanism assembly (4) Power is transmitted to from hoof assembly (2) and neck hoof assembly (5), is strutted from hoof assembly (2) and neck hoof assembly (5) and is compressed with brake drum, Realize parking.
CN201821441411.4U 2018-09-04 2018-09-04 A kind of drum brake of band short bracing wire and disconnecting prevention structure torque arm Active CN208919137U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821441411.4U CN208919137U (en) 2018-09-04 2018-09-04 A kind of drum brake of band short bracing wire and disconnecting prevention structure torque arm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821441411.4U CN208919137U (en) 2018-09-04 2018-09-04 A kind of drum brake of band short bracing wire and disconnecting prevention structure torque arm

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CN208919137U true CN208919137U (en) 2019-05-31

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110206832A (en) * 2019-06-12 2019-09-06 浙江亚太机电股份有限公司 With parking function can self-regulated self-boosting type drive a vehicle drum brake
CN112901676A (en) * 2021-01-26 2021-06-04 浙江亚太机电股份有限公司 Drum brake stay wire installation guiding mechanism
CN113153935A (en) * 2021-01-26 2021-07-23 浙江亚太机电股份有限公司 Drum brake guiding mechanism capable of realizing quick installation of stay wire

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110206832A (en) * 2019-06-12 2019-09-06 浙江亚太机电股份有限公司 With parking function can self-regulated self-boosting type drive a vehicle drum brake
CN112901676A (en) * 2021-01-26 2021-06-04 浙江亚太机电股份有限公司 Drum brake stay wire installation guiding mechanism
CN113153935A (en) * 2021-01-26 2021-07-23 浙江亚太机电股份有限公司 Drum brake guiding mechanism capable of realizing quick installation of stay wire

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