CN211641843U

CN211641843U - Automobile electronic accelerator pedal structure

Info

Publication number: CN211641843U
Application number: CN202020200241.1U
Authority: CN
Inventors: 王小勇
Original assignee: Xiamen Xinhaisheng Plastic Co ltd
Current assignee: Xiamen Xinhaisheng Plastic Co ltd
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-10-09
Anticipated expiration: 2030-02-24

Abstract

The utility model discloses an automobile electronic accelerator pedal structure, which belongs to the technical field of automobile accessories, and the technical proposal key points of the structure comprise a mounting seat, a pedal arm and a pedal body, wherein the pedal arm is connected with the mounting seat through a rotating shaft, a torsional spring positioned outside the rotating shaft is arranged between the mounting seat and the pedal arm, a mounting groove is arranged on the mounting seat, the pedal arm is rotatably connected in the mounting groove, a limit gear is arranged on the outer wall of the rotating shaft, a limit rack meshed with the limit gear is arranged on the inner wall of the mounting groove in a sliding way, a driving cylinder with a piston rod facing to the side wall of the limit rack is arranged in the mounting groove, when the piston rod of the driving cylinder is completely extended, the limit rack moves towards the direction far away from the pedal body, the pedal body is restored to the initial position, the utility model can avoid the torsional spring from, and the pedal can be restored to the initial position when the torsion spring is damaged.

Description

Automobile electronic accelerator pedal structure

Technical Field

The utility model belongs to the technical field of auto-parts, more specifically say that it relates to an automotive electronics accelerator pedal structure.

Background

In recent years, electronic technology is rapidly developed, an automobile electronic accelerator pedal is also rapidly developed, and an early pull-cord type accelerator pedal is gradually eliminated and replaces a novel electronic accelerator pedal which is stronger in function and more convenient to use. The novel electronic accelerator pedal adopts a non-contact angular displacement sensor. The electronic accelerator pedal angular displacement sensor is arranged in the accelerator pedal and used for monitoring the position of the accelerator pedal at any time. When the height position of the accelerator pedal is monitored to be changed, the information is instantly sent to the ECU, the ECU calculates the information and data information of other systems to calculate a control signal, the control signal is sent to a servo electronic accelerator motor relay through a circuit, and the servo motor drives the throttle to execute relevant actions. The non-contact sensor has long service life and high reliability, and a key link is formed by improving the service life of the transmission structure part of the accelerator pedal.

At present, the electronic accelerator pedal of an automobile has two structures, namely a floor type electronic accelerator pedal and a wall-mounted type electronic accelerator pedal, wherein the floor type electronic accelerator pedal adopts a double-torsion spring structure, and the pressed pedal is bounced by utilizing two torsion springs; wall-hanging electronic accelerator pedal adopts single torsional spring structure, and the pedal is upspring through torsional spring torsion after the pedal is stepped on to the foot, and in order to guarantee that the pedal has sufficient resilience strength, the great torsional spring of diameter generally can be selected. However, the torsion spring of the existing wall-mounted electronic accelerator pedal is not exposed outside due to the large diameter, and the exposed torsion spring is easily abraded and corroded, so that the service life of the torsion spring is reduced; in addition, the structure of a single torsion spring also has no safety function, once the torsion spring is damaged, the pedal cannot rebound to the initial position, namely, the accelerator is in the maximum acceleration state, and once an accident happens, the consequence is serious.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an automotive electronics accelerator pedal structure, its advantage lies in can avoiding the torsional spring to receive wearing and tearing and corruption, and can make the footboard resume to initial position when the torsional spring damages.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an automotive electronics accelerator pedal structure, includes the mount pad, rotates the pedal arm of connecting on the mount pad and installs in the pedal arm and keep away from the footboard body of mount pad one end, the pedal arm is connected through the rotation of pivot with the mount pad, be provided with the torsional spring that is located the pivot outside between mount pad and the pedal arm, be provided with the mounting groove on the mount pad, the pedal arm rotate connect in the mounting groove, be provided with limit gear on the outer wall of pivot, slide on the inner wall of mounting groove and be provided with the spacing rack that meshes with limit gear mutually, be provided with the actuating cylinder that drives of piston rod towards spacing rack lateral wall in the mounting groove, work as when actuating cylinder's piston rod stretches out completely, spacing rack is to keeping away from footboard body direction motion, and the footboard body resumes.

Through adopting above-mentioned technical scheme, rotate the pedal arm and connect in the mounting groove, can make the torsional spring be located the mounting groove to avoid external dust, tiny objects such as water droplet and torsional spring contact, improve the life of torsional spring. In addition, in case the torsional spring damages the time, stretches out through the piston rod that control drive actuating cylinder, can promote spacing rack to keeping away from footboard body direction motion to this drives limit gear and pivot and rotates, and when waiting to drive actuating cylinder's piston rod and stretching out completely, the footboard body resumes to initial position.

The utility model discloses further set up to: be provided with the spout on the inner wall of mounting groove, one side of spacing rack slide through the slider in the spout, it sets up to drive actuating cylinder the spout is close to on the one side inner wall of footboard body.

Through adopting above-mentioned technical scheme, when the piston rod that drives actuating cylinder stretches out completely, can promote the slider and remove in the spout, and then make the removal of spacing rack more stable.

The utility model discloses further set up to: and a piston rod of the driving cylinder is connected with a push block.

Through adopting above-mentioned technical scheme, the setting of ejector pad, the multiplicable piston rod that drives actuating cylinder and the area of contact of spacing rack, stability when the improvement drives actuating cylinder and drives spacing rack removal.

The utility model discloses further set up to: and balls which are contacted with the inner wall of the sliding groove are arranged on two sides of the outer wall of the push block.

Through adopting above-mentioned technical scheme, the setting of ball, the wearing and tearing of reducible ejector pad and spout inner wall make the removal of ejector pad more smooth and easy to this accelerates the ejector pad to drive the speed that spacing rack removed, makes the footboard body resume to initial position in the short time.

The utility model discloses further set up to: and a wear-resistant rubber layer is arranged on one side wall of the push block facing the sliding block.

Through adopting above-mentioned technical scheme, the noise that produces when both can reducing spacing rack and ejector pad striking, and can avoid spacing rack to damage the ejector pad, the life of extension ejector pad is provided with on wear-resistant rubber layer.

The utility model discloses further set up to: and a limit switch is arranged on one side, close to the pedal body, of the pedal arm on the mounting seat, the limit switch is electrically connected with the driving air cylinder, and when the accelerator is in a maximum acceleration state, the pedal arm triggers the limit switch.

By adopting the technical scheme, when the accelerator is in the maximum acceleration state, the pedal arm triggers the limit switch, the piston rod of the drive cylinder can be controlled to extend out, the limit rack is driven to move towards the direction far away from the pedal body, and the pedal body is automatically restored to the initial position, so that the driving safety is further improved.

The utility model discloses further set up to: a containing groove is formed in the bottom end of the mounting seat, and one side of the limit switch is arranged in the containing groove.

Through adopting above-mentioned technical scheme, install limit switch's one side in the storage tank, the pedal arm just triggers limit switch when can avoid the throttle not be in maximum acceleration state.

The utility model discloses further set up to: the rotating shaft is a stepped shaft.

Through adopting above-mentioned technical scheme, adopt the step shaft as the pivot, can make things convenient for the installation of torsional spring and limit gear, avoid torsional spring and limit gear to produce the mutual influence.

To sum up, the utility model has the advantages of it is following:

1. once the torsion spring is damaged, the limiting rack can be pushed to move towards the direction away from the pedal body by controlling the piston rod of the driving cylinder to extend out, so that the limiting gear and the rotating shaft are driven to rotate, and the pedal body is restored to the initial position when the piston rod of the driving cylinder completely extends out;

2. by arranging the push block, the contact area between the piston rod of the driving cylinder and the limiting rack can be increased, and the stability of the driving cylinder in driving the limiting rack to move is improved;

3. when the accelerator is in the maximum acceleration state, the pedal arm triggers the limit switch, the piston rod of the driving cylinder can be controlled to extend out, the limit rack is driven to move towards the direction far away from the pedal body, and the pedal body is automatically restored to the initial position, so that the safety during driving is further improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a partial sectional view showing the inner structure of the mounting base in this embodiment;

FIG. 3 is a schematic view of the connection structure between the push block and the driving cylinder in the present embodiment;

fig. 4 is a partially sectional schematic view showing the installation structure of the limit switch according to the embodiment.

Description of reference numerals: 1. a mounting seat; 2. a pedal arm; 3. a pedal body; 4. a rotating shaft; 5. a torsion spring; 6. mounting grooves; 7. a limit gear; 8. a limit rack; 9. a driving cylinder; 10. a chute; 11. a slider; 12. a push block; 13. a ball bearing; 14. a wear-resistant rubber layer; 15. a limit switch; 16. a containing groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides an automotive electronics accelerator pedal structure, as shown in fig. 1 and 2, includes mount pad 1, rotates pedal arm 2 and installs in pedal arm 2 and keep away from the footboard body 3 of 1 one end of mount pad in mount pad 1 on the mount pad 1, and pedal arm 2 is connected through the rotation of pivot 4 with mount pad 1, installs the torsional spring 5 that is located the 4 outsides of pivot between mount pad 1 and the pedal arm 2.

As shown in fig. 1 and 2, the mounting groove 6 is formed in the mounting seat 1, the pedal arm 2 is rotatably connected to the mounting groove 6, namely, the torsion spring 5 is located in the mounting groove 6, so that external dust, water drops and other fine objects can be prevented from contacting the torsion spring 5, and the service life of the torsion spring 5 is prolonged. In addition, in this embodiment, the rotating shaft 4 is a stepped shaft, a limit gear 7 is fixed on the outer wall of the smaller end of the rotating shaft, a limit rack 8 engaged with the limit gear 7 is slidably arranged on the inner wall of the mounting groove 6, a driving cylinder 9 is mounted in the mounting groove 6, and the piston rod of the driving cylinder 9 faces the side wall of the limit rack 8, when the piston rod of the driving cylinder 9 completely extends out, the limit rack 8 moves in the direction away from the pedal body 3, and the pedal body 3 returns to the initial position.

Specifically, the inner wall of the mounting groove 6 is provided with a sliding groove 10, one side of the limiting rack 8 slides in the sliding groove 10 through a sliding block 11, and a driving cylinder 9 is mounted on the inner wall of one side of the sliding groove 10 close to the pedal body 3. Therefore, when the piston rod of the driving cylinder 9 is fully extended, the sliding block 11 can be pushed to move in the sliding groove 10, so that the reciprocating movement of the limit rack 8 is realized.

As shown in fig. 2 and 3, a piston rod of the driving cylinder 9 is connected with a push block 12, two sides of the outer wall of the push block 12 are embedded with balls 13 contacting with the inner wall of the chute 10, the contact area between the piston rod of the driving cylinder 9 and the limit rack 8 can be increased through the push block 12, and the stability of the driving cylinder 9 driving the limit rack 8 to move is improved; the abrasion between the pushing block 12 and the inner wall of the sliding groove 10 can be reduced through the balls 13, so that the pushing block 12 can move more smoothly, the speed of the pushing block 12 driving the limiting rack 8 to move is increased, and the pedal body 3 can be restored to the initial position in a short time.

Further, as shown in fig. 2 and 3, a wear-resistant rubber layer 14 is fixed on a side wall of the push block 12 facing the slider 11, and the wear-resistant rubber layer 14 can reduce noise generated when the limit rack 8 collides with the push block 12, prevent the limit rack 8 from damaging the push block 12, and prolong the service life of the push block 12.

As shown in fig. 3 and 4, a limit switch 15 is installed on the installation seat 1 and on one side of the pedal arm 2 close to the pedal body 3, the limit switch 15 is electrically connected with the driving cylinder 9, when the accelerator is in a maximum acceleration state, the pedal arm 2 triggers the limit switch 15, a piston rod of the driving cylinder 9 can be controlled to extend out, the limit rack 8 is driven to move in a direction away from the pedal body 3, the pedal body 3 is automatically restored to an initial position, and therefore the safety during driving is further improved.

Further, in order to avoid that the pedal arm 2 triggers the limit switch 15 when the accelerator is not in the maximum acceleration state, in this embodiment, the bottom end of the mounting seat 1 is provided with an accommodating groove 16, and one side of the limit switch 15 is disposed in the accommodating groove 16.

The utility model discloses a working process and beneficial effect as follows: once torsional spring 5 damages, pedal arm 2 triggers limit switch 15, and the piston rod of control drive actuating cylinder 9 stretches out, promotes spacing rack 8 to keeping away from 3 direction motions of footboard body to this drives limit gear 7 and pivot 4 and rotates, and when waiting to drive actuating cylinder 9's piston rod and stretching out completely, footboard body 3 resumes to initial position.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a car electron accelerator pedal structure, includes mount pad (1), rotates pedal arm (2) of connecting on mount pad (1) and installs pedal body (3) of keeping away from mount pad (1) one end in pedal arm (2), pedal arm (2) are rotated through pivot (4) and mount pad (1) and are connected, be provided with torsional spring (5) that are located the pivot (4) outside between mount pad (1) and pedal arm (2), its characterized in that: be provided with mounting groove (6) on mount pad (1), footboard arm (2) rotate connect in mounting groove (6), be provided with limit gear (7) on the outer wall of pivot (4), slide on the inner wall of mounting groove (6) and be provided with spacing rack (8) with limit gear (7) engaged with, be provided with in mounting groove (6) piston rod towards spacing rack (8) lateral wall drive actuating cylinder (9), work as when the piston rod that drives actuating cylinder (9) stretches out completely, spacing rack (8) are to keeping away from footboard body (3) direction motion, and footboard body (3) resume to initial position.

2. The electronic accelerator pedal structure of an automobile according to claim 1, wherein: be provided with spout (10) on the inner wall of mounting groove (6), one side of spacing rack (8) slide through slider (11) in spout (10), it sets up to drive actuating cylinder (9) spout (10) are close to on the one side inner wall of footboard body (3).

3. The automotive electronic accelerator pedal structure according to claim 1 or 2, characterized in that: and a piston rod of the driving cylinder (9) is connected with a push block (12).

4. The electronic accelerator pedal structure of an automobile according to claim 3, wherein: and balls (13) which are contacted with the inner wall of the sliding groove (10) are arranged on two sides of the outer wall of the push block (12).

5. The electronic accelerator pedal structure of an automobile according to claim 3, wherein: and a wear-resistant rubber layer (14) is arranged on one side wall of the push block (12) facing the sliding block (11).

6. The electronic accelerator pedal structure of an automobile according to claim 1, wherein: the accelerator pedal is characterized in that a limit switch (15) is arranged on one side, close to the pedal body (3), of the pedal arm (2) on the mounting seat (1), the limit switch (15) is electrically connected with the driving air cylinder (9), and when the accelerator is in the maximum acceleration state, the pedal arm (2) triggers the limit switch (15).

7. The electronic accelerator pedal structure of an automobile according to claim 6, wherein: a containing groove (16) is formed in the bottom end of the mounting seat (1), and one side of the limit switch (15) is arranged in the containing groove (16).

8. The electronic accelerator pedal structure of an automobile according to claim 1, wherein: the rotating shaft (4) is a stepped shaft.