CN220794518U - Steering wheel torque sensor test fixture - Google Patents

Abstract

The utility model relates to the technical field of steering wheel torque sensor testing tools, and discloses a steering wheel torque sensor testing tool, which comprises: the casing for detect steering wheel torque sensor, PCBA board installs in the inside of casing for detect steering wheel torque sensor, go up the magnetic conduction piece, install at the inside top of casing for transmit steering wheel torque sensor detection data, lower magnetic conduction piece, install in the inside bottom of casing, cooperate the magnetic conduction piece to detect steering wheel torque sensor, PCBA tool board installs in the inside of casing. This steering wheel torque sensor test fixture avoids lower axle and last axle not being in same perpendicular line at the in-process axis of test to avoid detecting the low and inconvenient test of precision, can carry out angle and torque testing to torque sensor through rotating upper axle and lower axle, thereby improve torque sensor's test speed, reduce the test step to torque sensor.

Description

Steering wheel torque sensor test fixture

Technical Field

The utility model relates to the technical field of steering wheel torque sensor testing tools, in particular to a steering wheel torque sensor testing tool.

Background

Steering wheels are devices on automobiles for controlling the direction of travel of the vehicle. It is typically located on the driver's cab in front of the driver's seat and is connected to the steering system of the vehicle.

The driver can change the direction of traveling of vehicle through rotating the steering wheel, and the steering wheel is when processing, needs to test the torque sensor of steering wheel, and current steering wheel torque sensor test fixture is tested torque sensor by manual operating means of staff, and in the in-process of test, the condition that torque sensor's center pin and the center pin of main shaft are not on same axis probably appears, leads to detecting the low and inconvenient test of precision to reduce the test effect to torque sensor.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a steering wheel torque sensor testing tool for solving the technical problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: a steering wheel torque sensor test fixture, comprising:

And the shell is used for detecting the steering wheel torque sensor.

PCBA board installs in the inside of casing for detect steering wheel torque sensor.

And the upper magnetic conducting sheet is arranged at the top of the inside of the shell and used for transmitting detection data of the steering wheel torque sensor.

The lower magnetic conduction sheet is arranged at the bottom of the inside of the shell and is matched with the upper magnetic conduction sheet to detect the steering wheel torque sensor.

PCBA jig board installs in the inside of casing for restrict PCBA board in the inside of casing.

And the cover plate is arranged at the bottom of the inside of the shell and is used for sealing the bottom of the shell.

And a gear installed inside the housing for providing a driving force.

A lower shaft; is mounted inside the housing for testing by the housing.

An upper shaft; is mounted on the inside top of the housing for testing by the housing.

Preferably, the outside equidistant connection of PCBA board has annular fixed slot, and the outside of fixed slot is connected with the inside of casing through the bolt, and fixed slot cooperation bolt can be installed the PCBA board in the inside of casing to can dismantle the maintenance with the PCBA board.

Preferably, the outside equidistant connection of PCBA tool board has the mounting groove, and the outside of mounting groove is connected with the outside of PCBA board through fixing bolt, and the mounting groove can be connected PCBA board and PCBA tool board to the convenience is fixed spacing with PCBA board.

Preferably, the top and the bottom of the gear are both connected with a seat bearing, the outside of the seat bearing is connected with the inside of the shell through a mounting plate, and the seat bearing is convenient for the installation of the gear.

Preferably, a circular slot is formed in the top of the shell, the inside of the slot can be in sliding connection with the outer parts of the upper shaft and the lower shaft, and the slot facilitates the insertion of the upper shaft and the lower shaft into the shell.

Preferably, both sides of the opposite ends of the upper magnetic conductive sheet and the lower magnetic conductive sheet are fixedly connected with fixing rings, the outer parts of the fixing rings are connected with the inner part of the shell through bolts, and the fixing rings can be used for installing the upper magnetic conductive sheet and the lower magnetic conductive sheet.

(III) beneficial effects

Compared with the prior art, the utility model provides a steering wheel torque sensor testing tool, which has the following beneficial effects:

1. according to the steering wheel torque sensor testing tool, the lower shaft and the upper shaft are tested by arranging the shell outside the lower shaft and the upper shaft, so that the situation that the central axes of the lower shaft and the upper shaft are not on the same vertical line in the testing process is avoided, and the defects of low detection precision and inconvenient testing are avoided;

2. according to the steering wheel torque sensor testing tool, the upper shaft and the lower shaft can be rotated to conduct angle and torque testing on the torque sensor, so that the testing speed of the torque sensor is improved, and the testing steps of the torque sensor are reduced.

Drawings

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is a front cross-sectional view of the housing of the present utility model;

fig. 3 is a front view of the upper shaft of the present utility model.

In the figure: 1. a housing; 2. PCBA board; 3. a top magnetic conductive sheet; 4. a lower magnetic conductive sheet; 5. PCBA jig plate; 6. a cover plate; 7. a gear; 8. a lower shaft; 9. and (5) an upper shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a technical scheme, a steering wheel torque sensor testing tool, comprising:

referring to fig. 1 and 2 and fig. 3, a housing 1 is provided for detecting a steering wheel torque sensor.

PCBA board 2 installs in the inside of casing 1 for detect steering wheel torque sensor, the outside equidistant connection of PCBA board 2 has annular fixed slot, and the outside of fixed slot is connected with the inside of casing 1 through the bolt, and fixed slot cooperation bolt can be with PCBA board 2 installation in the inside of casing 1, and can dismantle PCBA board 2 and maintain.

Referring to fig. 1 and 2 and fig. 3, an upper magnetic sheet 3 is mounted on the top of the interior of the housing 1 for transmitting the steering wheel torque sensor detection data.

The lower magnetic conduction piece 4 is arranged at the bottom of the inside of the shell 1, the upper magnetic conduction piece 3 is matched to detect the steering wheel torque sensor, the two sides of the opposite ends of the upper magnetic conduction piece 3 and the lower magnetic conduction piece 4 are fixedly connected with fixing rings, the outer parts of the fixing rings are connected with the inside of the shell 1 through bolts, and the fixing rings can be used for installing the upper magnetic conduction piece 3 and the lower magnetic conduction piece 4.

Please refer to fig. 1 and 2 and fig. 3, a PCBA jig plate 5 is installed inside the housing 1, for limiting the PCBA plate 2 inside the housing 1, the outside of the PCBA jig plate 5 is connected with mounting slots at equal intervals, the outside of the mounting slots is connected with the outside of the PCBA plate 2 through fixing bolts, and the mounting slots can connect the PCBA plate 2 with the PCBA jig plate 5, thereby facilitating the fixing and limiting of the PCBA plate 2.

And a cover plate 6 installed at the inner bottom of the housing 1 for closing the bottom of the housing 1.

Referring to fig. 1 and 2 and fig. 3, a gear 7 is installed inside the housing 1 for providing driving force, the top and the bottom of the gear 7 are connected with a seat bearing, the outside of the seat bearing is connected with the inside of the housing 1 through a mounting plate, and the seat bearing facilitates the installation of the gear 7.

A lower shaft 8; is installed inside the housing 1 for being tested by the housing 1.

An upper shaft 9; install at the inside top of casing 1 for by casing 1 test, circular shape fluting has been seted up at the top of casing 1, and grooved inside can with the outside sliding connection of upper shaft 9 and lower shaft 8, the fluting is convenient with upper shaft 9 and lower shaft 8 insert the inside of casing 1.

The working principle of the device is as follows: the upper rotor and the lower rotor in the torque sensor are respectively arranged outside a lower shaft 8 and an upper shaft 9, the lower shaft 8 and the upper shaft 9 can mutually rotate through press fit and fixation to form a tool rotor part, a gear 7, a cover plate 6 and a lower magnetic conduction sheet 4 are arranged at the bottom of a PCBA jig plate 5, the top of the PCBA jig plate 5 is connected with the PCBA plate 2 through a groove, and an upper magnetic conduction sheet 3 and a lower magnetic conduction sheet 4 are arranged on the side surface of the PCBA jig plate 5;

Connecting a wire harness of the sensor with an interface outside the shell 1, collecting signals, rotating the upper shaft 9 within 4 degrees by fixing the lower shaft 8, and evaluating collected data by various components inside the shell 1, thereby performing torque test;

by rotating the lower shaft 8, the angle data is collected by the housing 1 for evaluation, thereby performing an angle test on the torque sensor.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Steering wheel torque sensor test fixture, its characterized in that includes:

a housing (1) for detecting a steering wheel torque sensor;

The PCBA board (2) is arranged in the shell (1) and used for detecting a steering wheel torque sensor;

The upper magnetic conducting sheet (3) is arranged at the top of the inside of the shell (1) and is used for transmitting detection data of the steering wheel torque sensor;

the lower magnetic conduction sheet (4) is arranged at the bottom of the inside of the shell (1) and is matched with the upper magnetic conduction sheet (3) to detect the steering wheel torque sensor;

the PCBA jig plate (5) is arranged in the shell (1) and used for limiting the PCBA plate (2) in the shell (1);

the cover plate (6) is arranged at the bottom of the inside of the shell (1) and is used for sealing the bottom of the shell (1);

a gear (7) installed inside the housing (1) for providing a driving force;

A lower shaft (8); is arranged in the shell (1) and is used for being tested by the shell (1);

an upper shaft (9); is mounted on the inside top of the housing (1) for testing by the housing (1).

2. The steering wheel torque sensor testing tool of claim 1, wherein: the outside of PCBA board (2) equidistant connection has annular fixed slot, and the outside of fixed slot is connected with the inside of casing (1) through the bolt.

3. The steering wheel torque sensor testing tool of claim 1, wherein: the outside equidistant connection of PCBA tool board (5) has the mounting groove, and the outside of mounting groove is connected with the outside of PCBA board (2) through fixing bolt.

4. The steering wheel torque sensor testing tool of claim 1, wherein: the top and the bottom of the gear (7) are both connected with a bearing with a seat, and the outer part of the bearing with the seat is connected with the inner part of the shell (1) through a mounting plate.

5. The steering wheel torque sensor testing tool of claim 1, wherein: the top of the shell (1) is provided with a circular slot, and the inside of the slot can be in sliding connection with the outer parts of the upper shaft (9) and the lower shaft (8).

6. The steering wheel torque sensor testing tool of claim 1, wherein: the two sides of the opposite ends of the upper magnetic conduction sheet (3) and the lower magnetic conduction sheet (4) are fixedly connected with fixing rings, and the outer parts of the fixing rings are connected with the inner part of the shell (1) through bolts.