Accelerator pedal opening degree adjusting device for test

Abstract

The utility model provides an accelerator pedal opening degree adjusting device for a test. The accelerator pedal opening degree adjusting device comprises a base, a rotating disc, an operating rod assembly, a fixed pulley and a steel wire rope. The utility model has the characteristics of small volume, high reliability and convenience in use and operation. A structure that an arc-shaped rack is meshed with a limiting device for limiting is adopted, and the other end is fixed to an accelerator pedal through a steel wire rope. The device is time-saving and labor-saving, and the opening degree of the accelerator pedal can be conveniently kept for a long time. The locking structure is simple, the releasing action can be completed only by pressing in the adjusting process, and adjustment in the test is facilitated. And by adopting a rack and limiting meshing clamping mode, the strength is high, reverse rotation caused by bearing the pulling force of automatic return of the accelerator pedal is avoided, and the accelerator opening degree can be always kept in an adjusted state in the using process.

Description

Technical Field

[0001] This utility model belongs to the field of throttle opening adjustment technology, specifically relating to a test throttle pedal opening adjustment device. Background Technology

[0002] Currently, in vehicle laboratory testing, it is necessary to maintain the throttle opening at the same position for an extended period to measure various parameters of the engine power pack. Relying solely on the driver to maintain the throttle opening by pressing the pedal results in an inability to keep the throttle position constant for long periods and is prone to opening deviations, leading to inaccurate test data. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] This invention proposes a test throttle pedal opening adjustment device to solve the technical problem of how to reduce the size and lock the throttle opening for a long time.

[0005] (II) Technical Solution

[0006] To address the aforementioned technical problems, this utility model proposes a test throttle pedal opening adjustment device. This device includes a base, a rotating disk, an operating lever assembly, a fixed pulley, and a steel wire rope. The rotating disk is mounted on the base via a rotating shaft and can rotate around the center of the base. A steel wire rope is wound inside the rotating disk, and its rotation allows for its extension and retraction. One end of the steel wire rope passes over the fixed pulley and is fixed to the front end of the throttle pedal. The operating lever assembly is integrated with the rotating disk, controlling its rotation relative to the base. By adjusting the rotation angle of the rotating disk, the extension length of the steel wire rope is changed, thereby altering the throttle opening via the fixed pulley.

[0007] Furthermore, the base is fixedly connected to the attachment welded to the bottom deck or side vertical deck of the vehicle body by bolts and mounting holes.

[0008] Furthermore, a pressure cap is installed on the outer end of the shaft.

[0009] Furthermore, the base is machined with a toothed rack along its edge for engagement and positioning with the operating lever assembly.

[0010] Furthermore, the rack is machined along the shape of the base to form an arc.

[0011] Furthermore, the operating lever assembly includes a button, a return spring, a push rod, a connecting block, a locking block, and a pin. The connecting block is fixedly connected to the rotating disk. A guide post is mounted on the front end of the connecting block, and a push rod mounting groove is machined in the middle section of the guide post. A push rod is inserted into the push rod mounting groove, and a return spring and a button are fitted onto the push rod. The outer end of the return spring contacts the end face of the button, and the inner end of the return spring contacts the end face of the push rod mounting groove. The inner end of the push rod extends into the inner cavity of the connecting block, and a locking block is mounted on the inner end of the push rod. The locking block is connected to the connecting block via a pin. Under the push of the push rod, the locking block can rotate around the pin, allowing the locking block's toothed groove to switch between engagement and disengagement with the rack on the base, thereby adjusting the rotation angle of the rotating disk.

[0012] Furthermore, a guide post is installed at the front end of the connecting block via a locking nut.

[0013] Furthermore, when the push rod is pulled, the push rod causes the locking block to rotate clockwise around the pin shaft, engaging the toothed groove of the locking block with the rack of the base; when the push rod is pushed, the push rod causes the locking block to rotate counterclockwise, disengaging the toothed groove on the locking block from the rack of the base.

[0014] (III) Beneficial Effects

[0015] This utility model proposes a test throttle pedal opening adjustment device, including a base, a rotating disk, an operating lever assembly, a fixed pulley, and a steel wire rope. The rotating disk is mounted on the base via a rotating shaft and can rotate around the center of the base. The steel wire rope is wound inside the rotating disk, and can be pulled out and stretched by the rotation of the rotating disk. One end of the steel wire rope passes over the fixed pulley and is fixed to the front end of the throttle pedal. The operating lever assembly is integrated with the rotating disk and can control the rotation of the rotating disk relative to the base. By adjusting the rotation angle of the rotating disk, the extension length of the steel wire rope is changed, thereby changing the throttle opening through the fixed pulley.

[0016] This utility model features small size, high reliability, and convenient operation. It employs a structure where an arc-shaped rack engages with a limiting device for positioning, with the other end fixed to the accelerator pedal by a steel wire rope. This device saves time and effort, facilitating the long-term maintenance of the accelerator pedal opening. The locking structure is simple; adjustment only requires pressing to release, making it convenient for adjustments during testing. The rack and limit engagement method provides high strength and prevents reverse rotation due to the pull of the accelerator pedal's automatic return, ensuring the accelerator opening remains in the adjusted state throughout use. Attached Figure Description

[0017] Figure 1 This is a front view of the experimental throttle pedal opening adjustment device of this utility model;

[0018] Figure 2This is a schematic diagram illustrating the process of adjusting the throttle opening using the experimental throttle pedal opening adjustment device of this utility model.

[0019] Figure 3 This is a partial schematic diagram of the locking state structure of the operating lever assembly in this utility model;

[0020] Figure 4 This is a partial schematic diagram of the operating lever assembly in the disengaged state in this utility model. Detailed Implementation

[0021] To make the objectives, contents, and advantages of this utility model clearer, the specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples.

[0022] This embodiment proposes a test throttle pedal opening adjustment device, the overall structure of which is as follows: Figure 1 and 2 As shown, the system mainly includes a base 1, a rotating disk 2, an operating lever assembly 3, a pressure cap 4, a fixed pulley 5, and a steel wire rope 6. The base 1 is fixedly connected to an attachment welded to the vehicle's bottom deck or side vertical deck via bolts and mounting holes 14. The rotating disk 2 is mounted on the base 1 via a rotating shaft, with the pressure cap 4 installed at the outer end of the shaft. The rotating disk 2 can rotate around the center of the base 1. The steel wire rope 6 is wound inside the rotating disk 2, and its rotation allows it to be pulled out and stretched. One end of the steel wire rope 6 passes over the fixed pulley 5 and is fixed to the front end of the accelerator pedal. The operating lever assembly 3 is integrated with the rotating disk 2, controlling the rotation of the rotating disk 2 relative to the base 1. By adjusting the rotation angle of the rotating disk 2, the extension length of the steel wire rope 6 is changed, thereby altering the accelerator pedal opening via the fixed pulley 5 and maintaining a fixed accelerator pedal opening for an extended period.

[0023] The edge of the base 1 is machined with a rack, which is machined along the outer shape of the base 1 in an arc shape, and is used to engage and limit the operation lever assembly 3.

[0024] like Figure 3 and 4As shown, the operating lever assembly 3 includes a button 7, a return spring 8, a push rod 9, a locking nut 10, a connecting block 11, a locking block 12, and a pin 13. The connecting block 11 is fixedly connected to the rotating disk 2. A guide post is mounted on the front end of the connecting block 11 via the locking nut 10. A push rod mounting groove is machined in the middle section of the guide post, into which the push rod 9 is inserted. The push rod 9 is fitted with the return spring 8 and the button 7. The outer end of the return spring 8 contacts the end face of the button 7, and the inner end of the return spring 8 contacts the end face of the push rod mounting groove. The inner end of the push rod 9 extends into the inner cavity of the connecting block 11, and the locking block 12 is mounted on the inner end of the push rod 9. The locking block 12 is connected to the connecting block 11 via the pin 13. The locking block 12 can rotate around the pin 13 under the push of the push rod 9, so that the tooth groove of the locking block 12 and the rack on the base 1 can switch between the two states of engagement and disengagement, thereby adjusting the rotation angle of the rotating disk 2, thereby changing the extension length of the wire rope 6, and changing the throttle opening through the fixed pulley 5.

[0025] Figure 3 The operating principle in the locked state is as follows: the locking block 12 engages with the toothed groove on the base 1. At this time, the rotating disk 2 cannot rotate, and the steel wire rope 6 wound inside the rotating disk 2 cannot change its length, thus fixing the opening of the accelerator pedal connected to the steel wire rope 6. The locking principle is as follows: When the operating lever assembly is in the locked state without operation, the return spring 8 is in the relaxed state when not in operation, pushing open the button 7 and pulling the push rod 9. The push rod 9 pulls the locking block 12 to rotate clockwise around the pin 13, engaging the toothed groove of the locking block 12 with the rack of the base 1, thereby locking it in place. At this time, the extension of the steel wire rope 6 on the wound rotating disk 2 cannot change, thus ensuring that the opening of the connected accelerator pedal remains constant.

[0026] Figure 4 Operating principle in the released state: When button 7 is pressed, the return spring 8 is compressed, which pushes the push rod 9 to rotate the locking block 12 counterclockwise. The toothed groove on the locking block 12 is disengaged from the rack of the base 1, so that the rotating disk 2 can be rotated, thereby stretching the steel wire rope 6 wound inside and adjusting the extension length. The steel wire rope 6 passes around the fixed pulley 5 and is connected to the accelerator pedal, thereby adjusting the accelerator opening.

[0027] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A test throttle pedal opening adjustment device, characterized in that, The test throttle pedal opening adjustment device includes a base, a rotating disk, an operating lever assembly, a fixed pulley, and a steel wire rope. The rotating disk is mounted on the base via a rotating shaft and can rotate around the center of the base. A steel wire rope is wound inside the rotating disk, and its extension and retraction are achieved by rotating the disk. One end of the steel wire rope passes over the fixed pulley and is fixed to the front end of the throttle pedal. The operating lever assembly is integrated with the rotating disk, controlling the rotation of the rotating disk relative to the base. By adjusting the rotation angle of the rotating disk, the extension length of the steel wire rope is changed, thereby altering the throttle opening via the fixed pulley.

2. The test throttle pedal opening adjustment device as described in claim 1, characterized in that, The base is fixedly connected to the attachment welded to the bottom deck or side vertical deck of the vehicle body by bolts and mounting holes.

3. The test throttle pedal opening adjustment device as described in claim 1, characterized in that, A pressure cap is installed on the outer end of the shaft.

4. The test throttle pedal opening adjustment device as described in claim 1, characterized in that, The base has a toothed edge for engaging and limiting the movement of the operating lever assembly.

5. The test throttle pedal opening adjustment device as described in claim 4, characterized in that, The rack is machined along the shape of the base and is arc-shaped.

6. The test throttle pedal opening adjustment device as described in claim 4, characterized in that, The operating lever assembly includes a button, a return spring, a push rod, a connecting block, a locking block, and a pin. The connecting block is fixedly connected to the rotating disk. A guide post is mounted on the front end of the connecting block, and a push rod mounting groove is machined in the middle section of the guide post. A push rod is inserted into the push rod mounting groove, and a return spring and a button are fitted onto the push rod. The outer end of the return spring contacts the end face of the button, and the inner end of the return spring contacts the end face of the push rod mounting groove. The inner end of the push rod extends into the inner cavity of the connecting block, and a locking block is mounted on the inner end of the push rod. The locking block is connected to the connecting block via a pin. Under the push of the push rod, the locking block can rotate around the pin, allowing the locking block's toothed groove to switch between engagement and disengagement with the rack on the base, thereby adjusting the rotation angle of the rotating disk.

7. The test throttle pedal opening adjustment device as described in claim 6, characterized in that, The front end of the connecting block is fitted with a guide post via a locking nut.

8. The test throttle pedal opening adjustment device as described in claim 6, characterized in that, When the push rod is pulled, the push rod causes the locking block to rotate clockwise around the pin shaft, engaging the toothed groove of the locking block with the rack of the base; when the push rod is pushed, the push rod causes the locking block to rotate counterclockwise, disengaging the toothed groove on the locking block from the rack of the base.

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