CN213336744U

CN213336744U - Stroke testing device of automobile brake pedal

Info

Publication number: CN213336744U
Application number: CN202022281600.3U
Authority: CN
Inventors: 王立; 胡珂铭
Original assignee: Chongqing Jiasu Auto Parts Co ltd
Current assignee: Chongqing Jiasu Auto Parts Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-01
Anticipated expiration: 2030-10-14

Abstract

The utility model relates to a stroke test technical field just discloses a car brake pedal's stroke test device, comprising a base plate, the last fixed surface of bottom plate is connected with first control cabinet, first control cabinet rotates with the action wheel to be connected, the action wheel passes through the belt and is connected from the driving wheel transmission, the one end fixed connection of action wheel and connecting rod. This automobile brake pedal's stroke test device, through brake pedal, the connecting rod, first spring, under the cooperation of forced induction piece and forced induction ware, be convenient for carry out the record to the pressure size braking that receives on the footboard, do not need artifical record, through brake pedal, the connecting rod, the action wheel, the belt, from the driving wheel, second bevel gear, the screw rod, the movable plate, the cooperation of mark piece and scale, the stroke to the footboard is surveyed, the error is little, result to the test provides accurate analytical data, through the distance display screen that sets up, can more audio-visual record data.

Description

Stroke testing device of automobile brake pedal

Technical Field

The utility model relates to a stroke test technical field specifically is a car brake pedal's stroke test device.

Background

The test of the braking distance of the automobile is usually carried out by adopting a mode of detecting the rotating speed of the wheel, the test method has the defects that the angular speed of the wheel and the linear speed of the wheel relative to the ground do not necessarily keep a strict proportional relation in the braking process, a lane used in the traditional automobile braking test is a straight lane, and when the braking distance is longer, the occupied area is large, and the land resources are wasted. The current device can not be fine carry out effective accurate range finding to the footboard braking, and range unit's practicality is relatively poor.

The Chinese patent publication No. CN207779700U discloses an automobile clutch pedal stroke testing device, and this automobile clutch pedal stroke testing device, the cooperation of scale, vernier displacement inductor, force sensor, pulley, footboard cover and connecting wire is used, can test out the stroke of clutch pedal and how big power need when using the clutch, and smooth and easy and comfortable when having guaranteed to use the clutch, but this kind of mode has very big defect: when the device is used for ranging, the device is easy to shake in the moving process, and the accuracy of ranging is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a stroke test device of automobile brake pedal has solved present device and can not be fine carry out effective accurate range finding, range unit's the relatively poor problem of practicality to the footboard braking.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a stroke testing device of an automobile brake pedal comprises a bottom plate, wherein a first control table is fixedly connected to the upper surface of the bottom plate, the first control table is rotatably connected with a driving wheel, the driving wheel is in transmission connection with a driven wheel through a belt, the driving wheel is fixedly connected with one end of a connecting rod, the other end of the connecting rod is fixedly connected with the brake pedal, the connecting rod is fixedly connected with the left end of a first spring, the right end of the first spring penetrates through the first control table to be in contact with a pressure sensing block, a pressure sensor is arranged at the top of the pressure sensing block, a force display screen is arranged on the front face of the pressure sensor, a first button is arranged on the front face of the pressure sensor, a second control table is fixedly connected to the upper surface of the bottom plate, a distance display screen is fixedly connected to the right side face of the second control table, and a second button is arranged on the right side face, the driven wheel is fixedly connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, the second bevel gear is fixedly connected with the top of a screw, the screw is in threaded connection with a movable plate, the right end of the movable plate is fixedly connected with a mark block, the back of the movable plate is fixedly connected with a limiting block, the limiting block is in sliding connection with a fixed rod, and the bottom end of the screw is rotatably connected with the inner wall of the bottom of a second console.

Preferably, the upper end and the lower end of the fixed rod are fixedly connected with the inner walls of the top and the bottom of the second control console respectively, a first hole is formed in the middle of the limiting block, and the diameter of the first hole is matched with that of the fixed rod.

Preferably, the right side of second control cabinet is provided with the scale, and the minimum scale of scale is 1mm, and the even range of scale equidistance is on the right side of second control cabinet.

Preferably, the lower surface of the limiting block is fixedly connected with the top of the second spring, and the bottom end of the second spring is fixedly connected with the inner wall of the bottom of the second console.

Preferably, the force display screen is an LED liquid crystal display screen, the number of the first buttons is two, the two groups of first buttons are respectively a switch button and a zero returning button, and the first buttons are plastic buttons.

Preferably, the driven wheel is fixedly connected with a first shaft, the first shaft is fixedly connected with a first bevel gear, and the front end of the first shaft is rotatably connected with the inner wall of the front side of the second console.

(III) advantageous effects

Compared with the prior art, the utility model provides a stroke test device of automobile brake pedal possesses following beneficial effect:

1. this automobile brake pedal's stroke test device, through brake pedal, the connecting rod, first spring, under the cooperation of forced induction piece and forced induction ware, be convenient for carry out the record to the pressure size braking that receives on the footboard, do not need artifical record, through brake pedal, the connecting rod, the action wheel, the belt, from the driving wheel, second bevel gear, the screw rod, the movable plate, the cooperation of mark piece and scale, the stroke to the footboard is surveyed, the error is little, result to the test provides accurate analytical data, through the distance display screen that sets up, can more audio-visual record data.

2. This automobile brake pedal's stroke test device through the first spring that sets up, cushions brake pedal's pressing, has avoided the dynamics too big, causes brake pedal's damage, has prolonged brake pedal's life, and the power display screen is LED liquid crystal display, and the quantity of first button is two sets of, and two sets of first buttons are shift knob respectively and return to zero the button, and first button is the plastics button, can more audio-visual data of seeing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the pressure sensing block of the present invention;

FIG. 3 is a schematic view of the structure of the utility model at the scale;

fig. 4 is a schematic view of the structure of the second console of the present invention.

In the figure: 1. a base plate; 2. a first console; 3. a belt; 4. a second console; 5. a first spring; 6. a connecting rod; 7. a brake pedal; 8. a driving wheel; 9. a pressure sensing block; 10. a force display screen; 11. a first button; 12. a pressure sensor; 13. moving the plate; 14. a second button; 15. a distance display screen; 16. a scale; 17. marking blocks; 18. a screw; 19. a first bevel gear; 20. a driven wheel; 21. a second bevel gear; 22. fixing the rod; 23. a second spring; 24. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a stroke testing device of an automobile brake pedal comprises a bottom plate 1, wherein a first control table 2 is fixedly connected to the upper surface of the bottom plate 1, the first control table 2 is an L-shaped plate, the first control table 2 is rotatably connected with a driving wheel 8, the driving wheel 8 is in transmission connection with a driven wheel 20 through a belt 3, the driving wheel 8 is fixedly connected with one end of a connecting rod 6, the other end of the connecting rod 6 is fixedly connected with a brake pedal 7, a pedal sleeve is arranged on the outer side of the brake pedal 7, the connecting rod 6 is fixedly connected with the left end of a first spring 5, the first spring 5 is an alloy spring, the right end of the first spring 5 penetrates through the first control table 2 to be in contact with a pressure sensing block 9, the pressure sensing block 9 is positioned inside the first control table 2, a pressure sensor 12 is arranged at the top of the pressure sensing block 9, a force display screen 10 is arranged on the front surface of the pressure sensor 12, a first button, the upper surface of the bottom plate 1 is fixedly connected with a second control board 4, the right side surface of the second control board 4 is fixedly connected with a distance display screen 15, a second button 14 is arranged on the right side surface of the distance display screen 15, a driven wheel 20 is fixedly connected with a first bevel gear 19, the first bevel gear 19 is meshed with a second bevel gear 21, the second bevel gear 21 is fixedly connected with the top of a screw rod 18, the screw rod 18 is in threaded connection with a movable plate 13, an internal thread is arranged in the middle of the movable plate 13, an external thread is arranged on the outer surface of the screw rod 18, the internal thread is matched with the external thread of the first control board 2, the right end of the movable plate 13 is fixedly connected with a standard block 17, the back of the movable plate 13 is fixedly connected with a limit block 24, the limit block 24 is in sliding connection with a.

Specifically, in order to guide the movement of the moving plate 13, the upper end and the lower end of the fixed rod 22 are fixedly connected with the inner walls of the top and the bottom of the second console 4 respectively, the middle of the limiting block 24 is provided with a first hole, and the diameter of the first hole is matched with that of the fixed rod 22, so that the moving plate 13 is prevented from moving.

Specifically, in order to facilitate testing the stroke of the pedal, the right side surface provided with the second console 4 is provided with the scale 16, the minimum scale of the scale 16 is 1mm, the uniform arrangement of 16 equidistance of the scale is on the right side surface of the second console 4, and the outer surface of the scale 16 is coated with fluorescent powder, so that the observation can be conveniently carried out at night.

Specifically, for extension fixture's life, the lower surface that has set up stopper 24 and the top fixed connection of second spring 23, the bottom of second spring 23 and the bottom inner wall fixed connection of second control cabinet 4 prevent to remove the too big range finding inaccuracy that leads to of dynamics.

Specifically, in order to improve the convenience that the device used, it is LED liquid crystal display to have set up power display 10, and first button 11's quantity is two sets of, and two sets of first button 11 are shift knob and the button that returns to zero respectively, and first button 11 is the plastics button, can more audio-visual data of seeing.

Specifically, in order to support the rotation of the driven wheel 20, the driven wheel 20 is fixedly connected with a first shaft, the first shaft is fixedly connected with a first bevel gear 19, the front end of the first shaft is rotatably connected with the inner wall of the front side of the second console 4, and the phenomenon that the rotation of the driven wheel 20 is unstable to affect the working efficiency is avoided.

In use, the values on the force display 10 and the distance display 15 are first zeroed by means of the first button 11 and the second button 14, then the brake pedal 7 is displaced, the brake pedal 7 drives the connecting rod 6 to deflect, the connecting rod 6 extrudes the first spring 5, thereby triggering the pressure sensing block 9, the pressure sensor 12 displays the measured value on the force display screen 10 in real time, the connecting rod 6 drives the driving wheel 8 to rotate, the driving wheel 8 drives the driven wheel 20 to rotate through the belt 3, the driven wheel 20 drives the first bevel gear 19 to rotate, the first bevel gear 19 is engaged with the second bevel gear 21 in a matching way, and further the screw 18 is rotated, the moving plate 13 is displaced by the rotation of the screw 18, and the scale 17 falls on the scale 16, thereby show through apart from display screen 15, improved the practicality of device, improve the precision simultaneously.

In conclusion, the stroke testing device of the automobile brake pedal is convenient for recording the pressure braking on the pedal under the matching of the brake pedal 7, the connecting rod 6, the first spring 5, the pressure sensing block 9 and the pressure sensor 12 without manual recording, measures the stroke of the pedal through the matching of the brake pedal 7, the connecting rod 6, the driving wheel 8, the belt 3, the driven wheel 20, the second bevel gear 21, the screw 18, the moving plate 13, the mark block 17 and the scale 16, has small error, provides accurate analysis data for the test result, can more intuitively record the data through the arranged distance display screen 15, buffers the pressing of the brake pedal 7 through the arranged first spring 5, avoids the damage of the brake pedal 7 due to overlarge force, prolongs the service life of the brake pedal 7, and the force display screen 10 is an LED liquid crystal display screen, the number of the first buttons 11 is two, the two groups of the first buttons 11 are respectively an on-off button and a zero-returning button, and the first buttons 11 are plastic buttons, so that data can be seen more intuitively.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

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

Claims

1. The utility model provides a stroke test device of car brake pedal, includes bottom plate (1), its characterized in that: the upper surface of the bottom plate (1) is fixedly connected with a first control console (2), the first control console (2) is connected with a driving wheel (8) in a rotating mode, the driving wheel (8) is in transmission connection with a driven wheel (20) through a belt (3), the driving wheel (8) is fixedly connected with one end of a connecting rod (6), the other end of the connecting rod (6) is fixedly connected with a brake pedal (7), the connecting rod (6) is fixedly connected with the left end of a first spring (5), the right end of the first spring (5) penetrates through the first control console (2) to be in contact with a pressure sensing block (9), a pressure sensor (12) is arranged at the top of the pressure sensing block (9), a force display screen (10) is arranged on the front surface of the pressure sensor (12), a first button (11) is arranged on the front surface of the pressure sensor (12), a second control console (4) is fixedly connected with the upper surface of the bottom plate (1), the distance display screen (15) is fixedly connected to the right side face of the second console (4), a second button (14) is arranged on the right side face of the distance display screen (15), the driven wheel (20) is fixedly connected with the first bevel gear (19), the first bevel gear (19) is meshed with the second bevel gear (21), the second bevel gear (21) is fixedly connected with the top of the screw (18), the screw (18) is in threaded connection with the moving plate (13), the right end of the moving plate (13) is fixedly connected with the mark block (17), the back face of the moving plate (13) is fixedly connected with the limiting block (24), the limiting block (24) is in sliding connection with the fixed rod (22), and the bottom end of the screw (18) is rotatably connected with the inner wall of the bottom of the second console (4).

2. The stroke testing device of the brake pedal for the automobile according to claim 1, wherein: the upper end and the lower end of the fixed rod (22) are fixedly connected with the inner walls of the top and the bottom of the second control console (4) respectively, a first hole is formed in the middle of the limiting block (24), and the diameter of the first hole is matched with that of the fixed rod (22).

3. The stroke testing device of the brake pedal for the automobile according to claim 1, wherein: the right side face of second control cabinet (4) is provided with scale (16), and the minimum scale of scale (16) is 1mm, and the even range of scale (16) equidistance is in the right flank of second control cabinet (4).

4. The stroke testing device of the brake pedal for the automobile according to claim 1, wherein: the lower surface of the limiting block (24) is fixedly connected with the top of the second spring (23), and the bottom end of the second spring (23) is fixedly connected with the inner wall of the bottom of the second control console (4).

5. The stroke testing device of the brake pedal for the automobile according to claim 1, wherein: the force display screen (10) is an LED liquid crystal display screen, the number of the first buttons (11) is two, the two groups of the first buttons (11) are respectively a switch button and a return-to-zero button, and the first buttons (11) are plastic buttons.

6. The stroke testing device of the brake pedal for the automobile according to claim 1, wherein: the driven wheel (20) is fixedly connected with a first shaft, the first shaft is fixedly connected with a first bevel gear (19), and the front end of the first shaft is rotatably connected with the inner wall of the front side of the second console (4).