Accelerator pedal depth mechanical control tool for test

Abstract

The utility model discloses an accelerator pedal depth mechanical control tool for test, which comprises a pedal connecting piece connected with an accelerator pedal, a lead screw hinged on the pedal connecting piece, an adjusting sleeve matched with the lead screw screwed on the lead screw, and an adjusting sleeve positioning device connected on the adjusting sleeve. The other end of the adjusting sleeve positioning device is fixed on other parts of the automobile; according to the tool, the adjusting sleeve is adjusted to be located at different positions on the lead screw so that the pressing degree of the lead screw on the accelerator pedal can be adjusted, then the depth of the accelerator pedal can be adjusted, the cost is reduced, the maintenance difficulty is lowered, and the depth of the accelerator pedal can be adjusted at will.

Description

Technical Field

[0001] The utility model relates to a vehicle performance test, in particular to a test accelerator pedal depth mechanical control tool. Background Art

[0002] With the continuous development of the automotive industry, the requirements for vehicle performance testing are getting higher and higher, especially when the vehicle is tested at a constant speed in a rotating hub environmental chamber, a device that can keep the vehicle running at a constant speed is needed. At present, this device is a throttle adjustment device using an electronic control system. The throttle opening is controlled by set parameters. Although it has achieved automatic control to a certain extent, it has the following defects:

[0003] 1. The cost is high, which is not conducive to large-scale application;

[0004] 2. The accelerator pedal opening position (i.e. accelerator pedal depth) is not flexible enough and cannot be adjusted randomly;

[0005] 3. The structure is complex and difficult to maintain. Utility Model Content

[0006] In view of this, the purpose of the utility model is to provide a test throttle pedal depth mechanical control tooling to solve the technical problems of the existing throttle adjustment device having high cost, inflexible throttle pedal depth adjustment and difficult maintenance.

[0007] The purpose of this utility model is achieved through the following technical solutions:

[0008] A mechanical control tool for the depth of an accelerator pedal for testing comprises a pedal connector connected to the accelerator pedal, a lead screw is hinged on the pedal connector, an adjusting sleeve matching the lead screw is screwed on the lead screw, an adjusting sleeve positioning device is connected to the adjusting sleeve, and the other end of the adjusting sleeve positioning device is fixed to other parts of the automobile.

[0009] Furthermore, the adjustment sleeve comprises a lower sliding sleeve arranged on the lead screw, one end or both ends of the lower sliding sleeve are provided with a limiting nut, and the limiting nut is threadedly connected to the lead screw.

[0010] Furthermore, the pedal connecting member is composed of a supporting plate and a connecting member, the supporting plate is located above the accelerator pedal, and the connecting member is used to connect and fix the supporting plate and the accelerator pedal.

[0011] Furthermore, the connecting piece includes a U-shaped locking clamp, a through hole with a thread is vertically provided on one side of the U-shaped locking clamp, and a locking screw is connected to the inner thread of the through hole.

[0012] Furthermore, the adjustment sleeve positioning device includes an end limit device connected to a fixed component in the vehicle, a connecting rod is connected to the end limit device, and the other end of the connecting rod is connected to the lower sliding sleeve.

[0013] Furthermore, the fixed component in the vehicle is the vehicle's main driver's seat; the end limit device includes a U-shaped fixing bracket clamped on both sides of the vehicle's main driver's seat, and a fixing structure that can be connected to both sides of the vehicle's main driver's seat is provided at the U-shaped opening of the fixing bracket.

[0014] Furthermore, the fixing structure includes two pressing plates and a threaded rod, the ends of the threaded rod are vertically connected to the pressing plates, a threaded hole matching the threaded rod is provided at the U-shaped opening end of the fixing bracket, and the threaded rod is connected to the fixing bracket.

[0015] Furthermore, the adjustment sleeve positioning device also includes an upper sliding sleeve, which is movably connected to the U-shaped notch of the fixed bracket, and a tightening bolt is provided on the upper sliding sleeve for positioning with the fixed bracket.

[0016] The beneficial effects of the utility model are:

[0017] The utility model discloses a mechanical control tool for the depth of an accelerator pedal for testing. By adjusting the adjusting sleeve to be located at different positions on the screw, the pressing degree of the screw on the accelerator pedal can be adjusted, thereby adjusting the depth of the accelerator pedal. After the adjustment, the position of the adjusting sleeve on the screw is fixed, thereby achieving constant speed and uniform speed of the vehicle.

[0018] Compared with the existing throttle adjustment device, the tooling has the following advantages:

[0019] 1. Reduce costs and improve economic practicality;

[0020] 2. Simplified the structure and reduced the difficulty of maintenance;

[0021] 3. The accelerator pedal depth can be adjusted arbitrarily, which improves the flexibility of the test;

[0022] 4. It ensures that the vehicle travels at a constant speed during the test, improving the test accuracy.

[0023] By rotating the limit nut on the upper side of the lower sleeve to keep it away from the lower sleeve and moving the lead screw downward relative to the lower sleeve, when the lead screw is pressed tightly against the accelerator pedal to the right degree, the two limit nuts are rotated to make it close to the lower sleeve to adjust and fix the position of the adjusting sleeve on the lead screw.

[0024] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and will be apparent to those skilled in the art based on the following examination and research, or can be taught from the practice of the present invention to some extent. The objectives and other advantages of the present invention can be achieved and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below with reference to the accompanying drawings, in which:

[0026] Figure 1 This is a structural schematic diagram of the first embodiment of the utility model.

[0027] Figure 2 This is a structural schematic diagram of the second embodiment of the utility model.

[0028] Figure 3 This is a state diagram for the second embodiment of the present utility model.

[0029] In the figure: end limit device 1, connecting rod 2, lead screw 3, abutment plate 4, fixing structure 5, vehicle driver's seat 6, cross bar 7, upper sliding sleeve 8, lower sliding sleeve 9, tightening bolt 10, limit nut 11, hinge seat 12, connecting piece 14, accelerator pedal 15, pressure plate 16, threaded rod 17, U-shaped locking clip 18, locking screw 19, housing 20, fixing rod 22. DETAILED DESCRIPTION

[0030] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the preferred embodiments are only for illustrating the present invention, rather than for limiting the protection scope of the present invention.

[0031] Embodiment 1

[0032] like Figure 1 As shown, a test accelerator pedal depth mechanical control tooling includes a pedal connector, which is connected to the accelerator pedal 15. The pedal connector can be specifically a backing plate 4, which is placed on the accelerator pedal 15. A hemispherical shell 20 is connected to the backing plate 4. A ball head 21 is movably provided in the shell 20. A screw rod 3 is connected to the ball head 21, and an adjusting sleeve is connected to the screw rod 3. Specifically, the adjusting sleeve can be a threaded sleeve, which is threadedly connected to the screw rod 3. The adjusting sleeve is connected to an adjusting sleeve positioning device, and the other end of the adjusting sleeve positioning device is fixed to other parts of the automobile. A better adjusting sleeve positioning device includes a fixing rod 21, which is connected to the adjusting sleeve through a connecting rod, and sleeves are respectively threadedly connected at both ends of the fixing rod, and pads are threadedly connected at the opposite ends of the two sleeves. The fixing rod is placed horizontally in front of the main driver's seat 6 of the vehicle, and the two pads are respectively padded on the two fixed parts in front of the main driver's seat 6 of the vehicle, such as the two doors.

[0033] The tooling adjusts the degree of compression of the screw on the accelerator pedal by rotating the screw, thereby adjusting the throttle depth. Stopping the rotation of the screw enables the vehicle to travel at a constant speed. The use condition of this embodiment is that the various resistances encountered by the vehicle are constant.

[0034] Embodiment 2

[0035] like Figure 2 and 3 As shown, a mechanical control tool for the depth of an accelerator pedal for testing comprises an end limit device 1, a connecting rod 2, a lead screw 3 and abutment plate 4, the end limit device 1 is fixed to a main driver's seat 6 of a vehicle through a fixing structure 5, preferably, the end limit device 1 is U-shaped, the fixing structure 5 comprises two pressure plates 16, threaded rods 17 are respectively vertically arranged in the middle of one side of the two pressure plates 16, two free ends of the U-shaped end limit device 1 are respectively provided with opposite threaded holes, the two pressure plates 16 of the fixing structure 5 are opposite, and the two threaded rods 17 are respectively threadedly connected to the two threaded holes, the U-shaped end limit device 1 is sleeved on the main body under the seat surface from the front side of the main driver's seat 6 of the vehicle and the two pressure plates 16 are respectively pressed against the two sides of the main body under the seat surface by rotating the two threaded rods 17, so that the U-shaped end limit device 1 is fixed to the main driver's seat 6 of the vehicle, and the part of the U-shaped end limit device 1 located on the front side of the main driver's seat 6 of the vehicle is a cross bar 7.

[0036] The connecting rod 2 is an L-shaped rod with an opening facing upward and forward. The upper end and the lower end of the L-shaped rod are respectively connected to an upper sliding sleeve 8 and a lower sliding sleeve 9 which are staggered and perpendicular. The upper sliding sleeve 8 is sleeved on the cross bar 7 and can slide along the length direction of the cross bar. A threaded through hole is vertically provided on the upper sliding sleeve 8. A tightening bolt 10 is threadedly connected in the threaded through hole. The upper sliding sleeve 8 can be fixed on the cross bar 7 by rotating the tightening bolt 10. The lower sliding sleeve 9 is slidably sleeved on the lead screw 3. The lead screw 3 at both ends of the lower sliding sleeve 9 is respectively threadedly connected with a limiting nut 11. The preferably limiting nut 11 is a butterfly nut. The lead screw 3 can slide and be fixed relative to the lower sliding sleeve 9 through the two limiting nuts 11.

[0037] A connecting through hole is vertically provided at the lower end of the lead screw 3, and a hinge seat 12 is provided at the front middle of the upper side of the abutment plate 4. The lead screw 3 and the abutment plate 12 are hingedly connected through a hinge shaft passing through the through hole on the lead screw 3 and the hinge seat 12, and the hinge shaft is parallel to the cross bar 7;

[0038] The abutment plate 4 is stacked on the accelerator pedal 15 and connected together through a connecting piece 14. The connecting piece 14 includes a U-shaped locking clamp 18. A threaded through hole is vertically provided on one side of the U-shaped locking clamp 18. A locking screw 19 is connected to the inner thread of the through hole. The U-shaped locking clamp 18 clamps the stacked accelerator pedal 15 and the abutment plate 4. The locking screw 19 is rotated to connect the abutment plate 4 and the accelerator pedal 15 together.

[0039] When installing the tooling, first stack the abutment plate 4 on the accelerator pedal 15, clamp the stacked accelerator pedal 15 and the abutment plate 4 with a U-shaped locking clip 18, and rotate the locking screw 19 to connect the accelerator pedal 15 and the abutment plate 4 together; then loosen the tightening bolt 10 on the upper sleeve 8 to make the U-shaped end limit device 1 be sleeved on the main body under the seat surface from the front side of the vehicle's main driver's seat 6, rotate the two threaded rods 17 of the fixing structure 5 to make the two pressure plates 16 respectively tighten and fix on both sides of the main body under the seat surface, and finally tighten the tightening bolt 10 on the upper sleeve 8.

[0040] When the tool adjusts the throttle depth, first loosen the limit nut 11 on the upper side of the lower sleeve 9 to make it away from the lower sleeve, push the screw 3 toward the accelerator pedal 15, and when it is pushed to a suitable position, rotate the two limit nuts 11 to make the two limit nuts 11 close to the lower sleeve 9.

[0041] The tooling enables the connecting rod 2 to be movably connected to the cross bar 7, so that the accelerator pedal 15 can be stacked on the abutment plate 4, and the end limit device 1 can be fixed to the vehicle main frame seat 6 through the fixing structure 5. The tooling can also be adapted to different vehicle models. The lead screw 3 is slidably connected to the lower sleeve 9 and the lead screw 3 is rotationally connected to the abutment plate 4, so that the abutment plate 4 can move synchronously with the accelerator pedal 15.

[0042] The tooling has low cost and is easy to promote and apply; it has a simple structure and is easy to install and maintain; the depth of the accelerator pedal 15 can be adjusted arbitrarily, which improves the flexibility and accuracy of the test; it is suitable for various vehicle test environments and has broad application prospects.

[0043] The use condition of this embodiment is that the various resistances to which the vehicle is subjected are constant, and it can be used for vehicle wheel hub testing, powertrain testing, etc.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution, which should be included in the scope of the claims of the utility model.

Claims

1. A mechanical control tool for the depth of the accelerator pedal for testing, characterized in that: It comprises a pedal connecting piece connected to an accelerator pedal (15), a lead screw (3) being hinged on the pedal connecting piece, an adjusting sleeve matching the lead screw (3) being screwed on the lead screw (3), an adjusting sleeve positioning device being connected to the adjusting sleeve, and the other end of the adjusting sleeve positioning device being fixed on other parts of the automobile.

2. The mechanical control tool for the accelerator pedal depth for testing according to claim 1 is characterized in that: The adjustment sleeve comprises a lower sliding sleeve (9) arranged on the lead screw, one end or both ends of the lower sliding sleeve (9) are provided with a limiting nut, and the limiting nut is threadedly connected to the lead screw.

3. The mechanical control tool for the accelerator pedal depth for testing according to claim 1, characterized in that: The pedal connecting member is composed of a supporting plate (4) and a connecting member (14); the supporting plate (4) is located above the accelerator pedal (15); and the connecting member (14) is used to connect and fix the supporting plate (4) and the accelerator pedal (15).

4. The mechanical control tool for the accelerator pedal depth for testing according to claim 3 is characterized in that: The connecting piece (14) comprises a U-shaped locking clamp (18), one side of the U-shaped locking clamp (18) is vertically provided with a through hole with a thread, and a locking screw (19) is connected to the inner thread of the through hole.

5. The mechanical control tool for the accelerator pedal depth for testing according to claim 4, characterized in that: The adjustment sleeve positioning device comprises an end stopper (1) connected to a fixed component in a vehicle, a connecting rod (2) being connected to the end stopper (1), and the other end of the connecting rod (2) being connected to a lower sliding sleeve (9).

6. The mechanical control tool for the accelerator pedal depth for testing according to claim 5, characterized in that: The fixed component in the vehicle is a main driver's seat (6) of the vehicle; the end limit device (1) comprises a U-shaped fixing bracket clamped on both sides of the main driver's seat (6) of the vehicle, and a fixing structure (5) that can be connected to both sides of the main driver's seat (6) of the vehicle is provided at the U-shaped opening of the fixing bracket.

7. The mechanical control tool for the accelerator pedal depth for testing according to claim 6, characterized in that: The fixing structure (5) comprises two pressing plates (16) and a threaded rod (17), the ends of the threaded rod (17) being vertically connected to the pressing plates (16), a threaded hole matching the threaded rod (17) being provided at the U-shaped opening end of the fixing bracket, and the threaded rod (17) being connected to the fixing bracket.

8. The mechanical control tool for the accelerator pedal depth for testing according to claim 7, characterized in that: The adjusting sleeve positioning device further comprises an upper sliding sleeve (8), the upper sliding sleeve (8) being movably connected to the U-shaped notch of the fixing bracket, and a tightening bolt (10) for positioning with the fixing bracket is provided on the upper sliding sleeve (8).

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