CN221113378U - Device for determining clutch pedal engagement point - Google Patents

Abstract

The utility model provides a device for judging a coupling point of a clutch pedal, wherein the device comprises a motion sensor, a sensor fixing mechanism, a tire motion indicator and an indicator fixing mechanism, wherein the motion sensor is fixed on the sensor fixing mechanism and is fixed close to a vehicle hub through the sensor fixing mechanism, the tire motion indicator is fixed on the vehicle hub through the indicator fixing mechanism and can move along with the hub, and the motion sensor is fixed at the tire motion indicator through the sensor fixing mechanism and can detect the motion of the tire motion indicator.

Description

Device for determining clutch pedal engagement point

Technical Field

The utility model relates to the technical field of vehicle clutch testing, in particular to a device for judging a coupling point of a clutch pedal.

Background

Manual gear automobiles are kept in a large quantity in the global automobile market, and have a certain sales volume ratio each year, so that the manual gear automobiles are the first choice of a plurality of owners pursuing the drivability of the vehicles. The setting of the relevant parameters of the clutch pedal of the manual transmission automobile has great influence on the driving experience of a user, and meanwhile, the smoothness of the starting flameout and gear shifting process of the automobile can be influenced, so that the force-displacement performance curve of the clutch pedal has great significance for guiding the design of the clutch, the relevant parameters of the clutch can be better optimized only by accurately measuring the performance curve of the clutch pedal, the driving experience of the user is improved, and the key of measuring the performance curve of the clutch pedal is to determine the position of the joint point of the clutch pedal.

For the pedal force testing equipment commonly used at home and abroad at present, when a clutch pedal joint is confirmed, a traditional manual visual method is generally used for judging whether the front wheel of the automobile rolls, an operator generally selects a reference object, and whether the tire rolls is judged by comparing the distance between the reference object and the operator.

It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the present disclosure and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of utility model

The technical problem to be solved by one aspect of the present utility model is how to more accurately confirm the clutch pedal engagement point when testing the clutch.

In addition, other aspects of the present utility model are directed to solving or alleviating other technical problems of the prior art.

The present utility model provides an apparatus for determining a clutch pedal engagement point, and in particular, according to one aspect of the present utility model, there is provided:

A device for determining the engagement point of a clutch pedal, wherein the device comprises a motion sensor, a sensor fixing mechanism, a tyre motion indicator and an indicator fixing mechanism, wherein the motion sensor is fixed on the sensor fixing mechanism and is fixed at a position close to a vehicle hub through the sensor fixing mechanism, the tyre motion indicator is fixed on the vehicle hub through the indicator fixing mechanism and can move along with the hub, and the motion sensor is fixed at the tyre motion indicator through the sensor fixing mechanism and can detect the movement of the tyre motion indicator.

Alternatively, according to an embodiment of the present utility model, the motion sensor is a photoelectric sensor.

Alternatively, according to one embodiment of the present utility model, the tire movement indicator includes a circular arc-shaped code wheel mounted on an outer periphery of the hub by the indicator fixing mechanism and protruding from a side surface of the hub to an outside of the vehicle, the size on the code wheel being in a path along which the photoelectric sensor emits a photoelectric signal.

Alternatively, according to one embodiment of the present utility model, the tire movement indicator further includes a code wheel mounting portion that is connected perpendicularly to the code wheel and is mountable to the hub parallel to the hub side.

Alternatively, according to an embodiment of the present utility model, the indicator fixing mechanism includes a suction cup or a magnet capable of being attracted to the hub, and a connection bracket is configured on the code wheel mounting portion for connection to the suction cup or the magnet.

Alternatively, according to an embodiment of the present utility model, the sensor fixing mechanism includes a fixing bracket and a suspension bracket hinged at one end, a bracket fixing member is mounted on the fixing bracket for fixing the sensor fixing mechanism to the vehicle body, and a sensor fixing member is mounted on an end of the suspension bracket not hinged to the fixing bracket for fixing the motion sensor.

Alternatively, according to one embodiment of the present utility model, the bracket fixing member includes a suction cup or a magnet capable of being attracted to the vehicle body.

Alternatively, according to one embodiment of the present utility model, the sensor mount is configured to be perpendicular to a mounting plate to which the suspension bracket is mounted, a sensor mounting hole is configured on the mounting plate, and the motion sensor is mounted into the sensor mounting hole perpendicular to the mounting plate.

Alternatively, according to one embodiment of the utility model, the sensor mount is configured to open and close in a direction perpendicular to a jaw of the hanging bracket into which the motion sensor is clamped.

Optionally, according to an embodiment of the present utility model, the device further comprises an alarm device, which is communicatively connected to the motion sensor.

The utility model has the advantages that:

1. Whether the front wheel of the vehicle rolls or not is monitored by a photoelectric sensor and a code wheel, and a signal can be sent to a tester immediately when the front wheel rolls, so that the position of a joint point of a clutch pedal at the moment is accurately determined, errors of manual visual judgment are avoided, meanwhile, interference of factors such as uneven ground is eliminated, a measured pedal force-displacement characteristic curve is more practical, and the monitoring sensitivity can be flexibly adjusted by adjusting the sensitivity of the sensor, so that the applicability of the method is improved;

2. Through the audible and visual alarm who is connected with photoelectric sensor, operating personnel just can obtain the warning that the clutch reaches the junction in the car for only need an operating personnel can accomplish the test of clutch, test process convenient and fast.

Drawings

The above and other features of the present utility model will become apparent with reference to the accompanying drawings, in which,

Fig. 1 shows a schematic view of the position of a proposed device according to one embodiment of the utility model when mounted on a vehicle;

FIG. 2 shows a schematic structural view of a motion sensor and sensor fixation mechanism of the proposed device according to one embodiment of the present utility model;

fig. 3 shows a schematic structural view of a tire movement indicator and indicator securing mechanism of the proposed device according to one embodiment of the present utility model.

Detailed Description

It is to be understood that, according to the technical solution of the present utility model, those skilled in the art may propose various structural manners and implementation manners that may be replaced with each other without changing the true spirit of the present utility model. Accordingly, the following detailed description and drawings are merely illustrative of the utility model and are not intended to be exhaustive or to limit the utility model to the precise form disclosed.

Terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible to be mentioned in the present specification are defined with respect to the configurations shown in the drawings, which are relative concepts, and thus may be changed according to different positions and different use states thereof. These and other directional terms should not be construed as limiting terms. Furthermore, the terms "first," "second," "third," and the like are used for descriptive and distinguishing purposes only and are not to be construed as indicating or implying a relative importance of the corresponding components or a sequential or assembly order of the components.

The utility model provides a device for judging a coupling point of a clutch pedal, which is used for a testing link of a clutch, in particular for testing a pedal performance curve of the clutch. During the release of the pedal by the test person, the vehicle wheels will not roll when the clutch has just started to engage, and when the clutch is engaged to such an extent that the engine is able to overcome the static friction of the vehicle by the power transmitted by the clutch, thereby causing the front wheels of the vehicle to move, the vehicle wheels will start to roll, the clutch is now considered to be at the engagement point, and at this point the position of the pedal is defined as the position of the engagement point of the clutch pedal, how to determine this position of the engagement point of the pedal is an important element in the test of the clutch.

Referring to fig. 1, there is shown a schematic view of the position of the proposed device when mounted on a vehicle according to one embodiment of the present utility model. The apparatus 100 includes a motion sensor 1, a sensor-securing mechanism 2, a tire motion indicator 3, and an indicator-securing mechanism 4. The sensor fastening means 2 are fastened to the vehicle, in particular to the vehicle front deck in the embodiment of fig. 1. The motion sensor 1 is fixed to the sensor fixing mechanism 2 and is fixed thereto near a vehicle hub (for example, a vehicle left front wheel hub in the embodiment of fig. 1), the tire motion indicator 3 is fixed thereto by the indicator fixing mechanism 4 and is movable with the hub, and the motion sensor 1 is fixed thereto near the tire motion indicator 3 by the sensor fixing mechanism 2 and is capable of detecting the movement of the tire motion indicator 3.

It should be appreciated that the tire movement indicator 3 is generally fixed to the hub of the driving wheel of the vehicle and is therefore not limited to either the left or right front wheel hub of the vehicle. If the vehicle is a rear-drive vehicle, the tyre movement indicator 3 is for example fixed to the left or right rear wheel hub of the vehicle, and the movement sensor 1 is accordingly also fixed close to the left or right rear wheel hub.

Referring to fig. 2, there is shown a schematic structural view of a motion sensor 1 and a sensor fixing mechanism 2 of the proposed device according to one embodiment of the present utility model. In the embodiment of fig. 1, the motion sensor 1 is implemented as a photoelectric sensor, which is able to detect the movement of the tire movement indicator 3 by means of a photoelectric signal without contact with the tire movement indicator 3. The sensor fixing mechanism 2 includes a fixing bracket 21 and a suspension bracket 22, the fixing bracket 21 and the suspension bracket 22 being hinged at one end, and the fixing bracket 21 being mounted at the other end thereof with a bracket fixing piece 23 for fixing the sensor fixing mechanism 2 to the vehicle body, in the embodiment of fig. 1 to the front deck lid. A sensor fixing member 24 for fixing the motion sensor 1 is installed at an end of the suspension bracket 22 not hinged to the fixing bracket 21. When the sensor fixing mechanism 2 is mounted on the vehicle, the fixing bracket 21 is mounted on the vehicle body and extends from the vehicle body to the side of the vehicle body, and the suspension bracket 22 is suspended on the side of the vehicle body in the direction of gravity, so that it is ensured that the motion sensor 1 also detects the motion of the tire movement indicator 3 in the direction of gravity, so as to avoid interference caused by uneven ground.

In one embodiment of the invention, the bracket fixing 23 comprises a suction cup or magnet which can be attached to the vehicle body, in particular to the vehicle front cabin cover, for example two suction cup 231, 232 magnets, which suction cup 231, 232 or magnet are connected to one another by a connecting plate which is connected to the fixing bracket 21 by a connecting rod.

In one embodiment of the invention, the sensor mount 24 is configured as a mounting plate to which the overhang bracket 22 is mounted perpendicular, with sensor mounting holes configured in the mounting plate into which the motion sensor 1 is mounted perpendicular to the mounting plate. When the motion sensor 1 is a photoelectric sensor, the photoelectric sensor can emit a photoelectric signal vertically downward just through the mounting hole to detect the motion of the tire motion indicator 3.

In one embodiment of the invention, the sensor mount 24 is configured as a clamp with an opening and closing direction perpendicular to the suspension bracket 22, into which the motion sensor 1 is clamped. When the motion sensor 1 is a photoelectric sensor, it is clamped into the clamp, in particular in the direction of gravity, so that it can emit a photoelectric signal vertically downwards to detect the motion of the tyre motion indicator 3.

Referring to fig. 3, there is shown a schematic structural view of a tire movement indicator 3 and an indicator securing mechanism 4 of the proposed apparatus according to one embodiment of the present utility model. In the embodiment of fig. 3, the tire movement indicator 3 includes a circular arc-shaped code wheel 31 that is mounted on the outer periphery of the hub by the indicator fixing mechanism 4 and protrudes from the side of the hub to the outside of the vehicle. That is, the circular arc formed by the code wheel 31 is concentric with the circular arc formed by the hub, so that the movement of the code wheel 31 can represent the movement of the hub. When the code wheel 31 is mounted on the hub, it is in the path of the photoelectric sensor emitting a photoelectric signal, in particular the photoelectric sensor may emit a photoelectric signal directly onto the side of the code wheel 31 having the size or graduation marks. The size or scale marks which are convex or concave and are uniformly spaced from each other are provided on the code wheel 31 along the outer peripheral direction thereof to detect the movement of the code wheel 31 by the photosensor, but it is also possible to provide the size or scale marks as regions formed by interleaving materials of different reflection characteristics. The spacing between the size or scale marks is determined based on the detection sensitivity requirements, the higher the required detection sensitivity, the smaller the spacing between the size or scale marks should be.

In one embodiment of the utility model, the tire movement indicator 3 further comprises a code wheel mounting part 32 which is connected perpendicularly to the code wheel 31, in particular is manufactured integrally with the code wheel 31, the code wheel mounting part 32 being mounted to the hub parallel to the hub side, so that the code wheel 31 can be mounted more firmly at the hub by means of the code wheel mounting part 32.

In one embodiment of the utility model, the indicator securing mechanism 4 comprises a suction cup or magnet that can be attracted to the hub, and the code wheel mounting portion 32 is configured with attachment brackets 33, 34 for attachment to the suction cup or magnet. In the embodiment of fig. 3, the indicator securing means 4 comprise two suction cups 41, 42, so that there are also two in number of connecting brackets 33, 34, which suction cups 41, 42 can be attracted to the hub, in particular to the spokes of the hub.

In one embodiment of the utility model, the device further comprises an alarm device (not shown in the drawings), in particular an audible and visual alarm device, which is in communication connection with the photoelectric sensor, for example, through a connection wire or through wireless communication such as bluetooth, so that the photoelectric sensor can alarm to a tester in the vehicle in time through the audible and visual alarm device when the tire is rolling, so as to record in time. The audible and visual alarm device can be an audible and visual device in a vehicle, such as an in-vehicle lamp, a sound box, a center console screen and the like, and can also be other external devices or electronic devices such as a mobile phone, an intelligent watch and the like of a tester.

The measurement of the clutch pedal engagement point using the device generally comprises the steps of:

1. The code wheel 31 is connected with two suckers 41 and 42 through connecting brackets 33 and 34, and the two suckers 41 and 42 are adsorbed to the hub of the left front wheel of the vehicle;

2. The photoelectric sensor is arranged on the sensor fixing piece 2, the sensor fixing mechanism 2 is fixed on a vehicle body, in particular a front hatch of the vehicle, through two suckers 231 and 232, and the relative positions of the fixing support 21 and the suspension support 22 are adjusted so that the photoelectric sensor is arranged above the code wheel 31 along the gravity direction;

3. the photoelectric sensor is in communication connection with the audible and visual alarm device, and the audible and visual alarm device is placed in a carriage;

4. And the detection personnel starts to detect the clutch, and when the audible and visual alarm gives an alarm in the process of slowly releasing the clutch, the position of the joint of the clutch pedal at the moment is recorded.

It should be understood that all of the above preferred embodiments are exemplary and not limiting, and that various modifications or variations of the above-described specific embodiments, which are within the spirit of the utility model, should be made by those skilled in the art within the legal scope of the utility model.

Claims (10)

1. A device for determining the engagement point of a clutch pedal, the device comprising a motion sensor, a sensor mounting mechanism, a tyre motion indicator and an indicator mounting mechanism, the motion sensor being mounted on the sensor mounting mechanism and mounted adjacent a vehicle hub by means of the sensor mounting mechanism, the tyre motion indicator being mounted on the vehicle hub by means of the indicator mounting mechanism and being movable with the hub, the motion sensor being mounted at the tyre motion indicator by means of the sensor mounting mechanism and being capable of detecting movement of the tyre motion indicator.

2. The apparatus of claim 1, wherein the motion sensor is a photoelectric sensor.

3. The apparatus of claim 2, wherein the tire movement indicator comprises a circular arc-shaped code wheel mounted on the outer periphery of the hub by the indicator securing mechanism and protruding from the side of the hub to the exterior of the vehicle, the size of the code wheel being in the path of the photoelectric sensor emitting a photoelectric signal.

4. The apparatus of claim 3 wherein the tire movement indicator further comprises a code wheel mounting portion connected perpendicularly to the code wheel and mountable to the hub parallel to the hub side.

5. The device of claim 4, wherein the indicator securing mechanism comprises a suction cup or magnet capable of being attracted to a hub, and wherein a connecting bracket is configured on the code wheel mounting portion for connection to the suction cup or magnet.

6. The apparatus of claim 2, wherein the sensor fixing mechanism comprises a fixing bracket and a suspension bracket, the fixing bracket and the suspension bracket being hinged at one end, a bracket fixing member being mounted on the fixing bracket for fixing the sensor fixing mechanism to the vehicle body, and a sensor fixing member being mounted on an end of the suspension bracket not being hinged with the fixing bracket for fixing the motion sensor.

7. The apparatus of claim 6, wherein the bracket fixture comprises a suction cup or magnet capable of being attracted to a vehicle body.

8. The apparatus of claim 6 wherein the sensor mount is configured to be perpendicular to a mounting plate to which the overhang bracket is mounted, a sensor mounting hole being configured on the mounting plate into which the motion sensor is mounted perpendicular to the mounting plate.

9. The device of claim 6, wherein the sensor mount is configured to open and close in a direction perpendicular to a jaw of the hanging bracket into which the motion sensor is clamped.

10. The device of any one of claims 1 to 9, further comprising an alarm device in communicative connection with the motion sensor.