CN216407558U

CN216407558U - Disc brake

Info

Publication number: CN216407558U
Application number: CN202122994116.XU
Authority: CN
Inventors: 徐旗钊; 徐宇; 曹凯; 周丹; 吴晓林; 朱一平; 吴恺; 彭冬生; 魏政; 孙横伟
Original assignee: Jiangsu Hengli Brake Manufacture Co ltd
Current assignee: Jiangsu Hengli Brake Manufacture Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-29
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a disc brake, and particularly relates to the technical field of disc brakes. According to the utility model, the air chamber bracket, the air chamber and the shell are fixed through the screws, so that the air chamber is arranged on the side surface of the shell through the air chamber bracket, the air chamber push rod is connected with the adjusting arm through the bolt, and the adjusting arm is in matched connection with the adjusting shaft through the spline, thereby facilitating the change of the installation mode of the air chamber.

Description

Disc brake

Technical Field

The utility model relates to the technical field of disc brakes, in particular to a disc brake.

Background

The rotating element in a friction pair of a disc brake is a metal disc working with end faces, called a brake disc. The friction elements grip the brake disc from both sides to produce braking. The fixing elements have various structural forms, and can generally divide the disc brake into a caliper disc type and a full disc type. The disc brake is of a hydraulic type and is controlled by hydraulic pressure, and main parts comprise a brake disc, a branch pump, a brake caliper, an oil pipe and the like. The disc brake has the advantages of fast heat dissipation, light weight, simple structure and convenient adjustment. Particularly, the high-temperature-resistant performance is good under high load, the braking effect is stable, the muddy water invasion is not feared, the car can drive in winter and in bad road conditions, the disc brakes adopted by many cars comprise a plane type braking disc, a punching type braking disc and a marking type braking disc, and the marking type braking disc has better braking effect and ventilation and heat dissipation capacity. The disc brake applies force along the brake disc, the brake shaft is free from bending moment, and the radial size is small.

The air chamber adopts air chamber axial installation or air chamber radial installation in current disc brake, and in some special motorcycle types, the mounting means of above two kinds of air chambers has the interference risk.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a disc brake, which is characterized in that an air chamber bracket is fixed with an air chamber and a shell through screws, so that the air chamber is arranged on the side surface of the shell through the air chamber bracket, an air chamber push rod is connected with an adjusting arm through a bolt, and the adjusting arm is in spline fit connection with an adjusting shaft, thereby facilitating the change of the installation mode of the air chamber and solving the problem of interference risk of the installation mode caused by axial installation and radial installation of the air chamber in the prior art.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: the disc brake comprises a disc brake main body, wherein floating pliers are arranged at the upper end of the disc brake main body, a connecting bridge is arranged at the lower end of the floating pliers, a shell is arranged at the upper end of the connecting bridge, an air chamber support is arranged at the upper end of the shell, an air chamber is arranged at the outer end of the air chamber support, an air chamber push rod is arranged at one end of the air chamber, a bolt is arranged at the rear end of the air chamber push rod, an adjusting arm is arranged at the outer end of the bolt, a spline is arranged at the inner end of the adjusting arm, and an adjusting shaft is arranged at the inner end of the spline.

Furthermore, the disc brake main body is movably connected with the floating caliper, the connecting bridge is movably connected with the shell, screws are arranged between the upper end of the shell and the air chamber support and between the upper end of the air chamber support and the air chamber, the shell is movably connected with the air chamber support through the screws, and the shell is movably connected with the air chamber support through the screws.

Further, swing joint between air chamber support and the air chamber, fixed connection between the one end of air chamber push rod and the air chamber, run through connection between the other end of air chamber push rod and the bolt, swing joint between the outer end of bolt and the adjusting arm is through being provided with the bolt, the swing joint between adjusting arm and the air chamber push rod of being convenient for.

Further, through bolt swing joint between air chamber push rod and the adjustment arm, the engagement is connected between the tail end central authorities of adjustment arm and the spline, spline fixed connection is at the upper end surface of adjustment axle, the adjustment axle run through with the upper and lower both ends surface of casing, swing joint between adjustment axle and the casing is convenient for and air chamber support between swing joint through being provided with the casing.

Furthermore, an adjusting seat ring is arranged at the outer end of the adjusting shaft, an inclined ramp ball lane is arranged at the outer end of the adjusting seat ring, a planar needle roller bearing is arranged at the lower end of the inclined ramp ball lane, a clutch assembly is arranged at the outer end of the planar needle roller bearing, a screw rod is arranged at the inner end of the clutch assembly, and the adjusting seat ring is arranged to facilitate movable connection with the adjusting shaft.

Furthermore, the outer end of the adjusting shaft is movably connected with the adjusting seat ring, the adjusting seat ring is movably connected with the shell through a screw, the adjusting seat ring is movably connected with the inclined ramp ball raceway, a ball bearing is arranged at the inner end of the inclined ramp ball raceway, the inclined ramp ball raceway and the plane needle bearing are in the same vertical plane, and the plane needle bearing is arranged, so that friction between the clutch assembly and the inner cavity of the adjusting shaft is reduced conveniently.

Furthermore, the screw rod is movably connected in the adjusting shaft, the screw rod is in threaded connection with the clutch assembly, the clutch assembly is located at the inner end of the adjusting shaft, and the screw rod is arranged to facilitate connection with the clutch assembly.

The embodiment of the utility model has the following advantages:

1. according to the utility model, the floating pliers, the shell, the connecting bridge, the air chamber bracket, the screw, the air chamber push rod, the adjusting arm, the bolt, the adjusting shaft and the spline are arranged, the air chamber bracket, the air chamber and the shell are fixed through the screw, so that the air chamber is arranged on the side surface of the shell through the air chamber bracket, the air chamber push rod and the adjusting arm are connected through the bolt, and the adjusting arm and the adjusting shaft are connected in a matched manner through the spline, so that the change of the installation mode of the air chamber is facilitated, and the interference can be avoided.

2. The utility model is provided with the adjusting seat ring, the inclined ramp ball lane, the clutch assembly, the plane needle roller bearing and the screw rod, and the inclined ramp ball moves axially while the adjusting shaft assembly rotates, so that the clutch assembly and the screw rod are pushed to move forwards, the screw rod pushes the backing plate and the friction plate, and the braking torque is generated, thereby facilitating the braking of the disc brake.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is an enlarged schematic view of the floating clamp provided by the present invention;

FIG. 3 is an enlarged schematic view of a plenum support provided by the present invention;

FIG. 4 is a top view of the housing provided by the present invention;

FIG. 5 is an enlarged view of an adjustment arm according to the present invention;

FIG. 6 is an overall side cross-sectional view provided by the present invention;

FIG. 7 is an overall front cross-sectional view provided by the present invention;

in the figure: 1. a disc brake main body; 2. an air chamber; 3. floating pliers; 4. a housing; 5. a connecting bridge; 6. an air chamber support; 7. a screw; 8. a gas chamber push rod; 9. an adjusting arm; 10. a bolt; 11. adjusting the seat ring; 12. an adjustment shaft; 13. a spline; 14. a ramp ball lane; 15. a clutch assembly; 16. a planar needle bearing; 17. a screw.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1-6 of the specification, the disc brake of the embodiment comprises a disc brake main body 1, a floating caliper 3 is arranged at the upper end of the disc brake main body 1, the disc brake main body 1 is movably connected with the floating caliper 3, a connecting bridge 5 is arranged at the lower end of the floating caliper 3, a shell 4 is arranged at the upper end of the connecting bridge 5, the connecting bridge 5 is movably connected with the shell 4, an air chamber bracket 6 is arranged at the upper end of the shell 4, an air chamber is arranged at the outer end of the air chamber bracket 6, screws 7 are arranged between the upper end of the shell 4 and the air chamber bracket 6, and between the upper end of the air chamber bracket 6 and the air chamber, the shell 4 and the air chamber bracket 6 are movably connected through the screws 7, the air chamber bracket 6 is movably connected with the air chamber 2, an air chamber push rod 8 is arranged at one end of the air chamber 2, and one end of the air chamber push rod 8 is fixedly connected with the air chamber 2, the rear end of air chamber push rod 8 is equipped with bolt 10, through connection between the other end of air chamber push rod 8 and the bolt 10, the outer end of bolt 10 is equipped with adjusting arm 9, swing joint between the outer end of bolt 10 and adjusting arm 9, through bolt 10 swing joint between air chamber push rod 8 and the adjusting arm 9, adjusting arm 9's the inner is equipped with spline 13, the engagement is connected between tail end central authorities of adjusting arm 9 and spline 13, spline 13's the inner is equipped with adjusting shaft 12, spline 13 fixed connection is at the upper end surface of adjusting shaft 12, adjusting shaft 12 runs through the upper and lower both ends surface with casing 4, swing joint between adjusting shaft 12 and the casing 4 is through being provided with spline 13, is convenient for connect adjusting shaft 12 and adjusting arm 9.

The implementation scenario is specifically as follows: when the air chamber 2 mounting device is used, when the mounting mode of the air chamber 2 needs to be changed, the air chamber support 6 for independently mounting the air chamber 2 is fixed with the air chamber 2 and the shell 4 through the screw 7, so that the air chamber 2 is mounted on the side surface of the shell 4 through the air chamber support 6, the air chamber push rod 8 is connected with the adjusting arm 9 through the bolt 10, and the adjusting arm 9 is in matched connection with the adjusting shaft 12 through the spline 13, the mounting mode of the air chamber 2 is convenient to change, and the problem of interference risk in the mounting mode caused by axial mounting of the air chamber 2 and radial mounting of the air chamber 2 in the prior art is specifically solved.

Referring to the attached fig. 7 of the specification, in the disc brake of this embodiment, an outer end of the adjusting shaft 12 is provided with an adjusting race 11, an outer end of the adjusting shaft 12 is movably connected with the adjusting race 11, the adjusting race 11 is movably connected with the housing 4 through a screw 7, an outer end of the adjusting race 11 is provided with an inclined ramp ball raceway 14, an inner end of the inclined ramp ball raceway 14 is provided with a ball bearing, the adjusting race 11 is movably connected with the inclined ramp ball raceway 14, a lower end of the inclined ramp ball raceway 14 is provided with a flat needle bearing 16, the inclined ramp ball raceway 14 and the flat needle bearing 16 are in the same vertical plane, an outer end of the flat needle bearing 16 is provided with a clutch assembly 15, an inner end of the clutch assembly 15 is provided with a screw rod 17, the screw rod 17 is movably connected in the adjusting shaft 12, and the screw rod 17 is in threaded connection with the clutch assembly 15, the clutch assembly 15 is located at the inner end of the adjusting shaft 12, and is provided with a screw 17, so that the screw 17 pushes the backing plate and the friction plate, thereby generating braking torque.

The implementation scenario is specifically as follows: when the utility model is used, when the disc brake needs to be braked, the adjusting race 11 is connected with the shell 4 through the screw 7, the assembly of the adjusting race 11 and the adjusting shaft 12 has a slope ramp ball raceway 14 which is matched with each other, used for installing ball bearings, a clutch assembly 15 is matched with the inner cavity of an adjusting shaft 12 assembly, a plane needle bearing 16 is installed on the contact surface of the two parts and used for reducing friction, a screw rod 17 is in threaded fit with the clutch assembly 15, an air chamber push rod 8 pushes an adjusting arm 9 to rotate, the adjusting shaft 12 assembly is driven to rotate, and through inclined ramp balls, the adjusting shaft 12 assembly rotates and moves axially at the same time, so that the clutch assembly 15 and the screw rod 17 are pushed to move forwards, the screw rod 17 pushes the backing plate and the friction plate, so that braking torque is generated, the disc brake is conveniently braked, this embodiment specifically solves the problem of the prior art in which the disc brake main body 1 changes the braking of the braking torque after the air chamber 2 changes the installation manner.

Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims

1. A disc brake comprising a disc brake body (1), characterized in that: the disc brake is characterized in that floating pliers (3) are arranged at the upper end of a disc brake main body (1), a connecting bridge (5) is arranged at the lower end of the floating pliers (3), a shell (4) is arranged at the upper end of the connecting bridge (5), an air chamber support (6) is arranged at the upper end of the shell (4), an air chamber (2) is arranged at the outer end of the air chamber support (6), an air chamber push rod (8) is arranged at one end of the air chamber (2), a bolt (10) is arranged at the rear end of the air chamber push rod (8), an adjusting arm (9) is arranged at the outer end of the bolt (10), a spline (13) is arranged at the inner end of the adjusting arm (9), and an adjusting shaft (12) is arranged at the inner end of the spline (13).

2. A disc brake according to claim 1, characterized in that: the disc brake is characterized in that the disc brake main body (1) is movably connected with the floating pliers (3), the connecting bridge (5) is movably connected with the shell (4), screws (7) are arranged between the upper end of the shell (4) and the air chamber bracket (6) and between the upper end of the air chamber bracket (6) and the air chamber, and the shell (4) is movably connected with the air chamber bracket (6) through the screws (7).

3. A disc brake according to claim 1, characterized in that: swing joint between air chamber support (6) and air chamber (2), fixed connection between the one end of air chamber push rod (8) and the air chamber, through connection between the other end of air chamber push rod (8) and bolt (10), swing joint between the outer end of bolt (10) and adjusting arm (9).

4. A disc brake according to claim 1, characterized in that: through bolt (10) swing joint between air chamber push rod (8) and adjusting arm (9), the engagement is connected between the tail end central authorities of adjusting arm (9) and spline (13), spline (13) fixed connection is in the upper end surface of adjusting axle (12), adjusting axle (12) run through with the upper and lower both ends surface of casing (4), swing joint between adjusting axle (12) and casing (4).

5. A disc brake according to claim 1, characterized in that: the outer end of the adjusting shaft (12) is provided with an adjusting seat ring (11), the outer end of the adjusting seat ring (11) is provided with an inclined ramp ball raceway (14), the lower end of the inclined ramp ball raceway (14) is provided with a plane needle roller bearing (16), the outer end of the plane needle roller bearing (16) is provided with a clutch assembly (15), and the inner end of the clutch assembly (15) is provided with a screw rod (17).

6. A disc brake according to claim 5, characterized in that: the outer end of the adjusting shaft (12) is movably connected with the adjusting seat ring (11), the adjusting seat ring (11) is movably connected with the shell (4) through a screw (7), the adjusting seat ring (11) is movably connected with the inclined ramp ball track (14), a ball bearing is arranged at the inner end of the inclined ramp ball track (14), and the inclined ramp ball track (14) and the planar needle roller bearing (16) are in the same vertical plane.

7. A disc brake according to claim 5, characterized in that: the screw rod (17) is movably connected in the adjusting shaft (12), the screw rod (17) is in threaded connection with the clutch assembly (15), and the clutch assembly (15) is located at the inner end of the adjusting shaft (12).