CN209921290U

CN209921290U - ABS sensor support structure with stamping and welding structure

Info

Publication number: CN209921290U
Application number: CN201920414365.7U
Authority: CN
Inventors: 冯涛; 刘慧怡; 刘亮; 胡晓; 姚临喆; 刘春伟; 孙国晖
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-01-10
Anticipated expiration: 2029-03-29

Abstract

The utility model provides a punching press welded structure's ABS sensor support structure, including a sensor support, the sensor support includes a support body and a pipe, the horizontal part of support body top is opened has central through-hole, the internal fixation of central through-hole is provided with a hollow pipe, a sensor bush is impressed in the pipe from bottom to top, the flanging of sensor bush bottom is used for axial spacing with the lower terminal surface laminating of pipe, the probe of sensor is impressed in the sensor bush and is stretched out by the bottom opening of sensor bush from bottom to top, the terminal surface of the probe of sensor is laminated with the flank of tooth of ring gear and is used for measuring the rotational speed of ring gear, the pencil of sensor passes through the through-hole of brake assembly and axle housing assembly through-hole in proper order and is connected with the control unit, the lower extreme and the brake assembly fixed connection of two vertical portions of; the structure reduces the weight of the sensor support and saves the processing cost and the material cost of the sensor support.

Description

ABS sensor support structure with stamping and welding structure

Technical Field

The utility model belongs to car axle subassembly field, concretely relates to punching press welded structure's ABS sensor supporting structure.

Background

In the current domestic automobile axle, an ABS sensor is adopted for detecting wheel rotating speed signals and preventing brake locking. At present, a sensor bracket for fixing an ABS sensor is mostly formed by casting, and the forming process has the following defects: the casting process has large pollution and much energy consumption; the cast sensor mount is heavy; after the sensor bracket is cast, the position needing to be processed is larger, and the processing cost is increased.

Disclosure of Invention

The utility model discloses a solve in the current car axle because adopt cast fashioned sensor support lead to polluting big not environmental protection, the power consumption is many, sensor support's weight increase, sensor support's processing cost increase scheduling problem, provide a punching press welded structure's ABS sensor supporting structure to reduce weight and cost, more green.

In order to solve the technical problem, the utility model discloses an adopt following technical scheme to realize:

an ABS sensor support structure with a stamping and welding structure is used for fixing an ABS sensor between a gear ring and a brake assembly and is characterized by comprising a sensor support, wherein the sensor support comprises a support body and a circular tube, the support body is a support structure which is formed by bending a rectangular plate into a U-shaped structure with two vertical parts and a horizontal part and a downward opening in the longitudinal section, the horizontal part above the support body is provided with a central through hole, the circular tube with a hollow cylindrical tube structure is fixedly arranged in the central through hole of the support body, the top end of the circular tube extends out of the horizontal part above the support body, a sensor bushing is a hollow cylindrical tube structure with an outward flange at the bottom end, the sensor bushing is pressed into the circular tube from bottom to top, the outward flange at the bottom end of the sensor bushing is attached to the lower end surface of the circular tube for axial limiting, the probe of the sensor is pressed into the sensor bushing from bottom to top and extends out of the bottom opening of the sensor bushing, the end face of the probe of the sensor is attached to the tooth surface of the gear ring and used for measuring the rotating speed of the gear ring, the wire harness of the sensor sequentially penetrates through a through hole of the brake assembly and a through hole of the axle housing assembly and then is connected with the control unit, and the lower ends of the two vertical parts of the support body are connected with the shell of the axle housing assembly through the shell of the brake assembly.

The further technical scheme is as follows:

the lower extreme of two vertical portions of support body is outside bending type respectively and is two and vertical portion and be right angled support body connecting portion, there is the circular through-hole of support body connecting portion on the support body connecting portion, there is the circular through-hole of stopper assembly that corresponds with the circular through-hole of support body connecting portion on the casing of stopper assembly, there is the axle housing assembly internal thread hole that corresponds with the circular through-hole of support body connecting portion and the circular through-hole of stopper assembly on the casing of axle housing assembly, the bolt passes behind the circular through-hole of support body connecting portion that corresponds and the circular through-hole of stopper assembly and axle housing assembly internal thread hole threaded connection.

The outer surface of the round pipe and the inner surface of the center hole of the support body are welded in a spot welding mode, and the outer surface of the round pipe and the inner surfaces of the two vertical parts of the support body are welded in a spot welding mode.

The height of the part of the circular tube extending out of the upper part of the bracket body is 4 mm.

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

the utility model provides a pair of punching press welded structure's ABS sensor supporting structure, through the sensor support that adopts punching press welded structure, sensor support body and pipe cooperation, pipe and sensor bush cooperation, sensor bush and sensor probe cooperation, for traditional casting structure, this structure has reduced the pollution in the manufacturing process, has practiced thrift the energy, has reduced the weight of sensor support, has practiced thrift sensor support's processing cost and material cost.

Drawings

Fig. 1 is a schematic structural cross-sectional view of an ABS sensor bracket structure of a stamped and welded structure according to the present invention applied to a rear axle assembly;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

fig. 3 is a partial cross-sectional view of the ABS sensor bracket structure of the stamped and welded structure according to the present invention after being connected to the brake assembly and the axle housing assembly;

fig. 4 is a front view of a sensor holder in an ABS sensor holder structure of a stamped and welded structure according to the present invention;

fig. 5 is a top view of a sensor holder in an ABS sensor holder structure of a stamped and welded structure according to the present invention;

fig. 6 is a front view of a circular tube in an ABS sensor mounting structure of a stamped and welded structure according to the present invention;

fig. 7 is a top view of a circular tube in an ABS sensor mounting structure of a stamped and welded structure according to the present invention;

fig. 8 is a front view of a bracket body of a sensor bracket in an ABS sensor bracket structure of a stamped and welded structure according to the present invention;

fig. 9 is a top view of a bracket body of a sensor bracket in an ABS sensor bracket structure of a stamped and welded structure according to the present invention;

in the figure: 1. the sensor comprises a gear ring, a sensor 2, a sensor bushing 3, a sensor support 4, a brake assembly 5, an axle housing assembly 6, a bolt 7, a circular tube 8, a support body 9, a support body connecting part 10, a horizontal part 11 and a vertical part 12.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings:

the utility model provides an ABS sensor support structure of punching press welded structure, as shown in figure 1 and figure 3, be used for fixing the ABS sensor between ring gear 1 and brake assembly 5, including a sensor support 4, as shown in figure 4, sensor support 4 includes a support body 9 and a pipe 8, as shown in figure 4 and figure 8, support body 9 is bent into a support structure with two vertical parts 12 and a horizontal part 11 by a rectangular plate, the longitudinal section is U-shaped with an opening downward, the horizontal part above support body 9 is opened with a central through hole, the pipe 8 of a hollow cylinder structure is fixed in the central through hole of support body 9, the top end of pipe 8 stretches out of the horizontal part above support body 9, a sensor bush 3 is a hollow cylinder structure with an outward flanging at the bottom end, the sensor bush 3 is pressed into the round pipe 8 from bottom to top, an outward flange at the bottom end of the sensor bush 3 is attached to the lower end face of the round pipe 8 for axial limiting, a probe of the sensor 2 is pressed into the sensor bush 3 from bottom to top and extends out of an opening at the bottom end of the sensor bush 3, the end face of the probe of the sensor 2 is attached to the tooth face of the gear ring 1 for measuring the rotating speed of the gear ring 1, a wire harness of the sensor 2 sequentially penetrates through a through hole of the brake assembly 5 and a through hole of the axle housing assembly 6 and then is connected with the control unit, and the lower ends of two vertical parts 12 of the support body 9 are fixedly.

In this embodiment, as shown in fig. 8, the lower ends of two vertical portions 12 of the bracket body 9 are respectively bent outwards to form two bracket body connecting portions 10 which are right-angled with the vertical portions 12, and a circular through hole of the bracket body connecting portion is formed in the bracket body connecting portion 10, as shown in fig. 3, a circular through hole of the brake assembly corresponding to the circular through hole of the bracket body connecting portion is formed in the brake assembly 5, and the axle housing assembly 6 is provided with an axle housing assembly internal thread hole corresponding to the circular through hole of the bracket body connecting portion and the circular through hole of the brake assembly, and the bolt 7 is in threaded connection with the axle housing assembly internal thread hole after passing through the corresponding circular through hole of the bracket body connecting.

In this embodiment, as shown in fig. 4 and 5, the outer surface of the circular tube 8 and the inner surface of the central hole of the bracket body 9 are welded by spot welding, and the number of the welding spots is four; adopt the mode welding of spot welding between the surface of pipe 8 and the internal surface of two vertical portions of support body 9, the solder joint is four.

The height of the part of the round pipe 8 extending out of the upper part of the bracket body 9 is 4 mm.

Claims

1. An ABS sensor support structure with a stamping and welding structure is used for fixing an ABS sensor between a gear ring (1) and a brake assembly (5), and is characterized by comprising a sensor support (4), wherein the sensor support (4) comprises a support body (9) and a circular tube (8), the support body (9) is a support structure which is formed by bending a rectangular plate into a U shape and provided with two vertical parts (12) and a horizontal part (11), the longitudinal section of the support structure is downward, the horizontal part above the support body (9) is provided with a central through hole, the circular tube (8) with a hollow cylindrical tube structure is fixedly arranged in the central through hole of the support body (9), the top end of the circular tube (8) extends out of the horizontal part above the support body (9), a sensor bush (3) is a hollow cylindrical tube structure with an outward flanging at the bottom end, the sensor bush (3) is pressed into the round pipe (8) from bottom to top, an outward flange at the bottom end of the sensor bush (3) is attached to the lower end face of the round pipe (8) for axial limiting, a probe of the sensor (2) is pressed into the sensor bush (3) from bottom to top and extends out of an opening in the bottom end of the sensor bush (3), the end face of the probe of the sensor (2) is attached to the tooth face of the gear ring (1) for measuring the rotating speed of the gear ring (1), a wiring harness of the sensor (2) sequentially penetrates through a through hole of the brake assembly (5) and a through hole of the axle housing assembly (6) and then is connected with the control unit, and the lower ends of two vertical parts (12) of the support body (9) are connected with the shell of the axle housing assembly (6) through the shell of the.

2. The ABS sensor support structure of the stamping welding structure as recited in claim 1, wherein the lower ends of the two vertical portions (12) of the support body (9) are respectively bent outwards to form two support body connecting portions (10) which are perpendicular to the vertical portions (12), the support body connecting portions (10) are provided with circular through holes of the support body connecting portions, the shell of the brake assembly (5) is provided with circular through holes of the brake assembly corresponding to the circular through holes of the support body connecting portions, the shell of the axle housing assembly (6) is provided with axle housing assembly internal thread holes corresponding to the circular through holes of the support body connecting portions and the circular through holes of the brake assembly, and the bolts (7) are in threaded connection with the axle housing assembly internal thread holes after passing through the corresponding circular through holes of the support body connecting portions and the circular through holes of the brake assembly.

3. The ABS sensor bracket structure of a press-welded structure according to claim 1 or 2, wherein the outer surface of the circular tube (8) is welded to the inner surface of the center hole of the bracket body (9) by spot welding, and the outer surface of the circular tube (8) is welded to the inner surfaces of the two vertical portions of the bracket body (9) by spot welding.

4. The ABS sensor bracket structure of a press-welded structure according to claim 1, wherein the height of the portion of the circular tube (8) extending above the bracket body (9) is 4 mm.