CN210309929U

CN210309929U - Electronic accelerator pedal

Info

Publication number: CN210309929U
Application number: CN201921044967.4U
Authority: CN
Inventors: 郭浩洋; 黄翔; 吉康胜; 张建旭; 温晓平; 李欣; 刘方军
Original assignee: Zhejiang Wanliyang Transmission Co Ltd
Current assignee: Zhejiang Wanliyang Transmission Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-04-14
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses an electronic accelerator pedal, which comprises a pedal component and a base, wherein the pedal component comprises a pedal arm inserted into the base and rotationally connected to the base and a pedal fixed at one end of the pedal arm, the bottom surface of the pedal arm is provided with a groove with a downward groove opening, the groove opening of the groove is directly opposite to one end of the base close to the pedal, a reinforcement compression spring is nested in the groove, one end of the reinforcement compression spring is fixed at the bottom of the groove, the other end of the reinforcement compression spring is fixed with a spring seat, and the spring seat is partially exposed out of the groove in an initial state; one side of the base is provided with a sensor through a linkage mechanism, and the sensor is used for measuring the rotation angle of the pedal arm and transmitting the rotation angle signal to the TCU. The utility model discloses a set up the recess on electron accelerator pedal and install spring and spring holder structure additional in the recess, just can realize triggering and force the kickdown function to whether force the intention of kickdown and transmit TCU for more accurately with the driver, this simple structure, it is with low costs.

Description

Electronic accelerator pedal

Technical Field

The utility model relates to an automobile-used spare part technical field, concretely relates to electron accelerator pedal.

Background

When a driver steps on the accelerator pedal, the pedal position sensor converts the information of the depth and the speed of the pedal into electric signals to be transmitted to the ECU, the ECU judges the driving intention of the driver according to a built-in algorithm and then sends corresponding control signals to a control motor of an engine throttle valve so as to control the power output of the engine.

The electronic accelerator pedal of the automatic transmission automobile on the market mainly adopts an electronic accelerator pedal with a Kick-Down (Kick Down) function in the 'inner part' of a transmission. When the driver steps the accelerator to the bottom, the control unit of the gearbox judges that the driver has the intention of accelerating suddenly according to the position signal of the pedal, and immediately sends out a gear reduction instruction, so that the forced downshift is realized. However, the timing of triggering the kick-down function and whether or not the function is triggered are not perceptible to the driver. The intention of whether the driver forces the downshift or not can be more accurately transmitted to the transmission control unit TCU by adding a mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a overcome not enough of above technique, provide an electron accelerator pedal, actually be the electron accelerator pedal of area "force downshift (kiskdown)" functional structure.

The utility model overcomes the technical scheme that its technical problem adopted is:

an electronic accelerator pedal comprises a pedal assembly and a base, wherein the pedal assembly comprises a pedal arm inserted into the base and rotatably connected to the base and a pedal fixed at one end of the pedal arm, a groove with a downward notch is formed in the bottom surface of the pedal arm, the notch of the groove faces one end, close to the pedal, of the base, a boosting compression spring is nested in the groove, one end of the boosting compression spring is fixed at the bottom of the groove, a spring seat is fixed at the other end of the boosting compression spring, and the spring seat is partially exposed out of the groove in an initial state; one side of the base is provided with a sensor through a linkage mechanism, and the sensor is used for measuring the rotation angle of the pedal arm and transmitting the rotation angle signal to the TCU.

Furthermore, the bottom of the groove is provided with a first round platform, one end of the spring seat is provided with a cross-shaped boss, the edge of one end, close to the surface of the spring seat, of the boss is provided with a first notch, one end of the boosting compression spring is fixed on the first round platform, the other end of the boosting compression spring is fixed on the first notch of the boss, and the first notch can fix the spring more firmly.

Furthermore, two clamping blocks are symmetrically arranged on the side face of one end, close to the boosting compression spring, of the spring seat, two through holes matched with the clamping blocks are symmetrically arranged on the groove wall of the groove, and the two clamping blocks are matched with the two through holes respectively to enable the spring seat to be clamped in the groove.

Furthermore, the through hole is L-shaped, so that the spring seat can be conveniently clamped into the groove.

Further, the spring holder is cylindric, and the inner wall of recess is cylindric and the symmetry is seted up two and fixture block assorted breach two on the notch.

Further, the sensor subassembly includes the sensor housing and locates the angle displacement sensor in the sensor housing, link gear includes round pin axle and swing arm, the one end of swing arm is equipped with the bar hole, the other end is equipped with round platform two and is equipped with the bar lug on this round platform two, the swing arm nestification is in the base and the one end of round pin axle is fixed in on the pedal arm, the other end wears to overlap in the bar hole, the sensor housing is fixed on the base, and angle displacement sensor rotates along with the rotation of swing arm with bar lug fixed connection and angle displacement sensor.

Furthermore, grooves or threads are arranged on the pedal, so that friction between the sole of the driver and the pedal is increased.

The utility model has the advantages that:

the utility model discloses through set up the recess on the electronic accelerator pedal and install spring and spring seat structure additional in the recess, can realize triggering and force the kick-down function, and transmit the intention whether the driver forces the kick-down more accurately to TCU, this simple structure, with low costs; in addition, the operation is simple and convenient, and the forced downshift information transmission is more accurate.

Drawings

Fig. 1 is a schematic view of an overall structure of an electronic accelerator pedal according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the electronic accelerator pedal according to the embodiment of the present invention after the sensor assembly is removed.

Fig. 3 is an exploded schematic view of an electronic accelerator pedal according to an embodiment of the present invention.

Fig. 4 is a schematic cross-sectional view of an electronic accelerator pedal according to an embodiment of the present invention.

Fig. 5 is a partially enlarged structural view of a portion a in fig. 4.

Fig. 6 is a schematic structural diagram of a spring seat according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of a swing arm according to an embodiment of the present invention.

Fig. 8 is a schematic bottom view of the spring seat and the groove in accordance with the embodiment of the present invention.

In the figure, 1, a pedal assembly, 11, a pedal arm, 12, a pedal, 13, a groove, 131, a first round platform, 132, a through hole, 133, a second notch, 14, a boosting compression spring, 15, a spring seat, 151, a boss, 1511, a first notch, 152, a fixture block, 2, a base, 3, a sensor assembly, 31, a sensor shell, 4, a pin shaft, 5, a swing arm, 51, a strip-shaped hole, 52, a second round platform, 521, a strip-shaped lug, 6, a large spring, 7 and a large spring.

Detailed Description

In order to facilitate better understanding of the present invention for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments, which are given by way of illustration only and thus do not limit the scope of the present invention.

As shown in fig. 1-4, the electronic accelerator pedal according to this embodiment includes a pedal assembly 1 and a base 2, the pedal assembly 1 includes a pedal arm 11 inserted into the base 2 and rotatably connected to the base and a pedal 12 fixed to one end of the pedal arm 11, wherein the base 2 includes a housing integrally formed with the base, a dual spring assembly configured to drive the pedal arm 11 to reset is disposed in the base 2, the dual spring assembly includes a large spring 6 and a small spring 7 sleeved in the large spring and coaxial with the large spring, one end of the dual spring assembly and one end of the pedal arm 11 far away from the pedal arm 12 are fixedly connected, and the other end of the dual spring assembly is fixedly connected to the base 2.

The biggest improvement of the electronic accelerator pedal of the present embodiment is that, as shown in fig. 1, 3, 4 and 5, a groove 13 with a downward notch is formed in the bottom surface of the pedal arm 11, the notch of the groove 13 faces the end of the base 2 close to the pedal 12, a boosting compression spring 14 is nested in the groove 13, one end of the boosting compression spring 14 is fixed to the bottom of the groove 13, the other end of the boosting compression spring is fixed with a spring seat 15, and in an initial state, the spring seat 15 is partially exposed out of the groove 13; one side of the base 2 is provided with a sensor assembly 3 through a linkage mechanism, and the sensor assembly 3 is used for measuring the rotation angle of the pedal arm 11 and transmitting the rotation angle signal to the TCU.

Specifically, as shown in fig. 5 and 6, a first round table 131 is arranged at the bottom of the groove 13, a cross-shaped boss 151 is arranged at one end of the spring seat 15, a first notch 1511 is arranged at one end edge of the boss 151 close to the surface of the spring seat, one end of the boosting compression spring 14 is fixed on the first round table 131, and the other end of the boosting compression spring is fixed on the first notch 1511 of the boss. Two fixture blocks 152 are symmetrically arranged on the side surface of one end, close to the boosting compression spring 14, of the spring seat 15, two through holes 132 respectively matched with the fixture blocks are symmetrically arranged on the groove wall of the groove 13, preferably, the through holes 132 are in an L shape, the two fixture blocks 152 are respectively matched with the two through holes 132, so that the spring seat 15 is clamped in the groove 13, and further, the length of the through holes 132 in the up-down direction is larger than the height of the fixture blocks 152 in the up-down direction, so that the fixture blocks 152 can move up and down in the through holes 132 when the pedal 12 is stepped on. In addition, as shown in fig. 8, the spring seat 15 is cylindrical, the inner wall of the groove 13 is cylindrical, and two notches 133 matching with the stoppers 152 are symmetrically formed on the notch, so that the shape of the spring seat 5 matches with that of the groove 13.

Further, in the present embodiment, as shown in fig. 2, 3 and 7, the sensor assembly 3 includes a sensor housing 31 and an angular displacement sensor disposed in the sensor housing; the linkage mechanism comprises a pin shaft 4 and a swing arm 5, one end of the swing arm 5 is provided with a strip-shaped hole 51, the other end of the swing arm 5 is provided with a second round platform 52, the second round platform is provided with a strip-shaped bump 521, the swing arm 5 is nested in the base 2, one end of the pin shaft 4 is fixed on the pedal arm 11, and the other end of the pin shaft is sleeved in the strip-shaped hole 51 in a penetrating manner; the sensor shell 31 is fixed on the base 2, the angular displacement sensor is fixedly connected with the strip-shaped convex block 521, and the angular displacement sensor rotates along with the rotation of the swing arm 5.

Further, grooves or threads are formed on the pedal 12 to increase friction between the sole of the driver and the pedal 12.

The working principle of the electronic accelerator pedal of the embodiment is as follows: in the initial state, that is, when the pedal 12 is not stepped on, the two latch blocks 152 of the spring seat 15 are respectively latched in the two through holes 132 of the groove 13 and located below the groove 132. When a driver steps on the pedal 12, one end of the pedal arm 11, which is far away from the pedal 12, moves upwards to compress the large spring 6 and the small spring 7 simultaneously, and as the pin shaft 4 is fixedly connected with the pedal arm 11, the pin shaft 4 rotates by a corresponding angle, the pin shaft 4 drives the swing arm 5 to rotate by a corresponding angle, the bar-shaped bump 521 on the swing arm 5 drives the angular displacement sensor to rotate by a corresponding angle, and the angular displacement sensor converts mechanical corner information into an electric signal and transmits the electric signal to the TCU; if the pedal 12 is continuously stepped on, when the spring seat 15 touches the base 2, the boosting compression spring 14 starts to be stressed and compressed (in the compression process of the boosting compression spring 14, the two fixture blocks 152 of the spring seat 15 are always positioned in the two through holes 132 of the groove 13 and move upwards along the through holes 132), the angular displacement sensor transmits the information that the driver needs to forcibly shift down to the TCU, so that the forced shift down function of the automatic transmission is realized, and at the moment, the driver obviously feels suddenly increased spring force, namely, the force of the pedal 12 is increased, and the increased spring force can remind the driver whether to forcibly shift down. When the driver releases the pedal 12, the pedal arm 11 and the pedal 12 are automatically returned by the elastic force of the large spring 6 and the small spring 7.

The foregoing has described only the basic principles and preferred embodiments of the present invention and numerous changes and modifications may be made by those skilled in the art in light of the above teachings and shall fall within the scope of the present invention.

Claims

1. An electronic accelerator pedal comprises a pedal assembly (1) and a base (2), wherein the pedal assembly (1) comprises a pedal arm (11) inserted into the base (2) and rotatably connected to the base and a pedal (12) fixed at one end of the pedal arm (11), and is characterized in that a groove (13) with a downward notch is formed in the bottom surface of the pedal arm (11), the notch of the groove (13) faces one end, close to the pedal (12), of the base (2), a boosting compression spring (14) is nested in the groove (13), one end of the boosting compression spring (14) is fixed at the bottom of the groove (13), a spring seat (15) is fixed at the other end of the boosting compression spring (14), and the spring seat (15) is partially exposed out of the groove (13) in an initial state; one side of the base (2) is provided with a sensor assembly (3) through a linkage mechanism, and the sensor assembly (3) is used for measuring the rotation angle of the pedal arm (11) and transmitting the rotation angle signal to the TCU.

2. The electronic accelerator pedal according to claim 1, wherein the bottom of the groove (13) is provided with a first truncated cone (131), one end of the spring seat (15) is provided with a cross-shaped boss (151) and the edge of one end of the boss (151) close to the surface of the spring seat is provided with a first notch (1511), one end of the boosting compression spring (14) is fixed on the first truncated cone (131), and the other end of the boosting compression spring is fixed on the first notch (1511) of the boss.

3. The electronic accelerator pedal according to claim 1 or 2, wherein two blocks (152) are symmetrically arranged on one side surface of the spring seat (15) close to one end of the boosting compression spring (14), two through holes (132) respectively matched with the blocks are symmetrically arranged on the groove wall of the groove (13), and the two blocks (152) are respectively matched with the two through holes (132) so that the spring seat (15) is clamped in the groove (13).

4. The electronic accelerator pedal according to claim 3, wherein the through hole (132) is "L" shaped.

5. The electronic accelerator pedal according to claim 3, wherein the spring seat (15) is cylindrical, the inner wall of the groove (13) is cylindrical, and two notches (133) matched with the blocks (152) are symmetrically formed on the notch.

6. The electronic accelerator pedal according to claim 1, wherein the sensor assembly (3) comprises a sensor housing (31) and an angular displacement sensor arranged in the sensor housing, the linkage mechanism comprises a pin shaft (4) and a swing arm (5), one end of the swing arm (5) is provided with a strip-shaped hole (51), the other end of the swing arm is provided with a second circular truncated cone (52), the second circular truncated cone is provided with a strip-shaped bump (521), the swing arm (5) is nested in the base (2), one end of the pin shaft (4) is fixed on the pedal arm (11), the other end of the pin shaft is sleeved in the strip-shaped hole (51), the sensor housing (31) is fixed on the base (2), the angular displacement sensor is fixedly connected with the strip-shaped bump (521), and the angular displacement sensor rotates along with the rotation of the swing arm (5.

7. Electronic accelerator pedal according to claim 1, characterized in that the pedal (12) is provided with grooves or threads.