CN113879119A

CN113879119A - Floor type electronic accelerator pedal

Info

Publication number: CN113879119A
Application number: CN202110940279.1A
Authority: CN
Inventors: 芦东栋; 秦阳冰; 石磊
Original assignee: Ningbo Auto Cable Controls Co Ltd
Current assignee: Ningbo Auto Cable Controls Co Ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-01-04
Anticipated expiration: 2041-08-17
Also published as: CN113879119B

Abstract

The invention discloses a floor type electronic accelerator pedal which has the advantages that an enclosure integrated with a base plate is additionally arranged outside a lower spring seat, the upper end of the enclosure is an inclined plane for limiting the pedal, one section of the outer side of the enclosure is an elastic buckle, lower edges are additionally arranged on two sides of the pedal, an arc-shaped buckle groove is arranged on the inner wall of the lower edge, and the arc-shaped buckle groove and the elastic buckle on the same side form an elastic buckling structure; when the spring is initially installed, the pedal and the base plate are in an open state, the lower end of the spring is installed on the lower spring seat, after the upper end of the spring is abutted against the upper spring seat, the pedal is pressed to buckle the elastic buckle with the arc-shaped buckle groove, and therefore after-installation of the spring is completed; when the spring needs to be replaced, the elastic buckle is pressed inwards, the buckling connection between the elastic buckle and the arc-shaped buckle groove is released, the pedal automatically bounces or is manually opened under the action of the spring, the spring is exposed and then replaced, and the spring is convenient to assemble and replace.

Description

Floor type electronic accelerator pedal

Technical Field

The invention belongs to the technical field of automobile electronic accelerator pedals, and particularly relates to a floor type electronic accelerator pedal.

Background

With the rapid development of the automobile industry, the mechanical accelerator pedal for automobiles has been gradually replaced by an electronic accelerator pedal. The electronic accelerator pedal accurately controls the opening of a throttle valve through outputting an electric signal, so that the combustion of fuel oil in a cylinder is accurately controlled, the energy efficiency ratio is higher, and the emission is more environment-friendly; the method is widely applied to passenger cars, buses, trucks, engineering vehicles, new energy vehicles, saloon cars, SUV vehicles and the like.

One of them electronic accelerator pedal is the ground plate formula, mainly comprises the spring reset structure between the angle detecting element of mutual articulated base plate and footboard, footboard and the base plate, and current spring reset structure is more complicated, and like during the chinese utility model patent "the automatically controlled accelerator pedal of ground installation formula" that publication number is CN20121393Y, the spring housing is established outside last spring-supported and lower spring-supported, and is more loaded down with trivial details during the assembly, and it is also more troublesome to change after the elasticity became invalid, remains to improve.

Disclosure of Invention

The invention aims to solve the technical problem of providing a floor type electronic accelerator pedal with more convenient spring assembly and replacement operation.

The technical scheme adopted by the invention is as follows: a floor type electronic accelerator pedal comprises a base plate, a pedal, an angle detection unit of the pedal and two springs arranged side by side between the pedal and the base plate, wherein the base plate and the pedal are hinged with each other; the spring holder all is equipped with the fender that encloses with the base plate is integrative outward down, encloses the inclined plane of the upper end for being used for spacing footboard that keeps off, encloses wherein isolated one section in the fender outside and be elastic buckle, all is equipped with arc buckle groove on the inner wall on edge under the footboard both sides, and elastic buckle forms elasticity lock joint structure with the arc buckle groove of homonymy.

Compared with the prior art, the pedal locking device has the advantages that the enclosing barrier integrated with the base plate is additionally arranged outside the lower spring seat, the upper end of the enclosing barrier is an inclined plane for limiting the pedal, one isolated section of the outer side of the enclosing barrier is an elastic buckle, the lower edges are additionally arranged on the two sides of the pedal, the inner wall of the lower edge is provided with an arc-shaped buckle groove, and the arc-shaped buckle groove and the elastic buckle on the same side form an elastic buckling structure; when the spring is initially installed, the pedal and the base plate are in an open state, the lower end of the spring is installed on the lower spring seat, after the upper end of the spring is abutted to the upper spring seat, the pedal is pressed to buckle the elastic buckle with the arc-shaped buckle groove, so that after the spring is installed, namely, the spring is separated in the transportation process, and is assembled with the assembly of the pedal and the base plate when the spring is transported to an automobile factory, the height occupied by the assembly of the pedal and the base plate is small under the condition that the spring is not assembled, the packaging volume is small, and the transportation cost can be reduced; when the spring needs to be replaced, the elastic buckle is pressed inwards, the buckling connection between the elastic buckle and the arc-shaped buckle groove is released, the pedal automatically bounces or is manually opened under the action of the spring, the spring is exposed and then replaced, and the spring is convenient to assemble and replace.

Preferably, the front ends of the enclosing barriers are provided with integrated limiting columns, and buffering pads are arranged in holes of the limiting columns; the bottom surface of the pedal is provided with a limiting lug corresponding to the cushion pad, and the limiting lug is arranged in front of the spring seat. The buffering function is achieved, the limiting bump is in contact with the buffering pad in advance before the bottom surface of the pedal touches the inclined plane at the upper end of the enclosing barrier, and the impact strength of the pedal and the enclosing barrier is reduced under the buffering function of the buffering pad.

Preferably, the top of the cushion pad is hemispherical, and the bottom surface of the limiting bump is an inclined surface. The contact between the hemispherical cushion pad and the bottom inclined plane of the limiting bump is point contact primarily, then the contact area is gradually enlarged, the cushion is gradually enhanced, the pedal can be clearly sensed to be stepped on the bottom when the accelerator is operated, and the hemispherical shape is easier to recover.

Drawings

Fig. 1 is a rear perspective view of the present invention.

Fig. 2 is a schematic top perspective view of the substrate of the present invention.

FIG. 3 is a side perspective view of the substrate of the present invention.

Fig. 4 is a bottom perspective view of the step of the present invention.

Shown in the figure: 1. the hinge structure comprises a base plate, 1-1 parts, a hinge block, 1-1-1 parts, a hinge shaft hole, 1-2 parts, a lower spring seat, 1-3 parts, a demoulding hole, 1-4 parts, a surrounding baffle, 1-5 parts, an elastic buckle, 1-6 parts, a limiting column, 1-7 parts, a cushion pad, 1-8 parts, a lug, 1-9 parts, a bolt hole, 1-10 parts, a reinforcing rib, 1-12 parts, a plug socket, 2 parts, a pedal, 2-1 parts, a shaft collar, 2-1-1 parts, a shaft inserting hole, 2-1-2 parts, a pin hole, 2-2 parts, an upper spring seat, 2-3 parts, a lower edge, 2-3-1 parts, an arc-shaped buckle groove, 2-4 parts, a limiting lug, 3 parts, a pin shaft, 4 parts and a spring.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

Fig. 1 shows a floor type electronic accelerator pedal, which includes a base plate 1 shown in fig. 2 and 3 and a pedal 2 shown in fig. 4, which are hinged to each other, an angle detecting unit of the pedal 2, and two springs 4 arranged side by side between the pedal 2 and the base plate 1. The front end of the base plate 1 is provided with a convex hinging block 1-1, the two sides of the hinging block 1-1 are provided with hinging shaft holes 1-1-1, and the hinging shaft holes 1-1-1 are blind holes; two sides of the front end of the pedal 2 are respectively provided with a shaft collar 2-1, an inserting shaft hole 2-1-1 is arranged in the shaft collar 2-1, the outer end of the pin shaft 3 is provided with one or more radial convex blocks which are inserted into the inserting shaft hole 2-1-1 to limit the circumferential rotation of the pin shaft 3, the shaft collar 2-1 is also provided with a pin hole 2-1-2 which is vertical to the axis of the pin shaft 3, a limit pin (not shown in the figure) which limits the axial movement of the pin shaft 3 is inserted into the pin hole 2-1-2, and the inner end of the pin shaft 3 is pivoted with the hinge shaft hole 1-1-1 at the same side. The base plate 1 is provided with two lower spring seats 1-2, the upper end faces of bases of the lower spring seats 1-2 incline towards the hinged part, namely the bases are thicker at the position far away from the hinged part, the spring inserting columns at the upper ends of the bases incline forwards again, and in order to facilitate demoulding of the spring inserting columns, the base plate 1 is provided with demoulding holes 1-3 in front of the lower spring seats 1-2; the bottom surface of the pedal 2 is provided with two upper spring seats 2-2, the lower surface of the base of the upper spring seats 2-2 is inclined towards the hinged part, namely the base is thicker at the position far away from the hinged part. The outer side of the lower spring seat 1-2 is provided with an enclosure 1-4 integrated with the base plate 1, the upper end of the enclosure 1-4 is an inclined plane for limiting the pedal 2, namely, one end, close to the hinged part of the base plate 1 and the pedal 2, of the inclined plane at the upper end of the enclosure 1-4 is lower than one end, far away from the hinged part of the base plate 1 and the pedal 2, of the inclined plane at the upper end of the enclosure 1-4, and an isolated section of the outer side of the enclosure 1-4 is an elastic buckle 1-5 with the upper end protruding outwards; the pedal 2 is provided with a lower edge 2-3 surrounding the enclosure 1-4, or not, the inner walls of the lower edges 2-3 at two sides of the pedal 2 are provided with arc-shaped buckle grooves 2-3-1, and the elastic buckle 1-5 and the arc-shaped buckle grooves 2-3-1 at the same side form an elastic buckle connection structure. After the spring 4 is installed, in the process of pressing the pedal 2 to enable the spring 4 to contract, the buckling block which protrudes outwards at the upper end of the elastic buckle 1-5 is firstly retracted inwards and then protrudes outwards to be clamped into the arc-shaped buckle groove 2-3-1 to form buckle connection, and under the condition that the pedal 2 is not stressed, the buckling block of the elastic buckle 1-5 is abutted against the groove wall at the bottom end of the arc-shaped buckle groove 2-3-1 due to the acting force of the spring 4; when the spring 4 needs to be replaced, the elastic buckle 1-5 is pressed inwards, the elastic buckle 1-5 and the arc-shaped buckle groove 2-3-1 are unlocked, the pedal 2 automatically bounces or opens the pedal 2 under the action of the spring 4, and replacement is carried out after the spring 4 is exposed.

Preferably, the front ends of the enclosing barriers 1-4 are respectively provided with an integrated limiting column 1-6, and a cushion pad 1-7 is arranged in a hole of the limiting column 1-6; a limiting convex block 2-4 corresponding to the cushion pad 1-7 is arranged in front of the lower spring seat 1-2 on the bottom surface of the pedal 2. Preferably, the top of the cushion pad 1-7 is hemispherical, and the bottom surface of the limit bump 2-4 is an inclined surface inclined towards the hinge joint, i.e. the limit bump 2-4 is thicker at the position far away from the hinge joint.

In this embodiment, the angle detection unit adopts a non-contact integrated structure. The angle detection unit comprises a magnetic sheet, an induction element and a circuit board, wherein the magnetic sheet adopts a circular permanent magnet, the magnetic sheet is embedded at the inner end of one pin shaft, the induction element is a Hall sensor, pins of the Hall sensor are fixedly welded with the circuit board, the induction element and the circuit board are arranged in an electric groove at the bottom of the base plate 1, a cover plate is arranged at the bottom layer of the electric groove, and the electric groove is sealed with the cover plate. A plurality of leads are embedded in the substrate 1 and electrically connected with the circuit board; the connecting end of the lead is arranged in a plug socket 1-12 at the tail end of the substrate 1, the plug socket 1-12 is arranged in the middle of the connecting plate between the tail ends of the enclosing barriers 1-4, and the plug socket 1-12 and the substrate 1 are integrally molded by injection. Lugs 1-8 are arranged on two sides of the base plate 1, bolt holes 1-9 for fixing the base plate 1 are arranged on the lugs 1-8, and reinforcing ribs 1-10 are arranged between the lugs 1-8 and the body of the base plate 1.

For convenience of understanding, the aforementioned front end is an end close to the hinge joint of the base plate 1 and the pedal 2, and the rear end is an end far away from the hinge joint of the base plate 1 and the pedal 2.

Claims

1. A floor type electronic accelerator pedal comprises a base plate (1) and a pedal (2) which are hinged with each other, an angle detection unit of the pedal (2), and two springs (4) which are arranged between the pedal (2) and the base plate (1) side by side, wherein two upper spring seats (2-2) are arranged on the bottom surface of the pedal (2), and two lower spring seats (1-2) are arranged on the base plate (1); the method is characterized in that: the lower spring seat (1-2) is externally provided with an enclosing baffle (1-4) integrated with the base plate (1), the upper end of the enclosing baffle (1-4) is an inclined plane for limiting the pedal (2), an isolated section of the outer side of the enclosing baffle (1-4) is an elastic buckle (1-5), the inner walls of the lower edges (2-3) at two sides of the pedal (2) are respectively provided with an arc-shaped buckle groove (2-3-1), and the elastic buckle (1-5) and the arc-shaped buckle grooves (2-3-1) at the same side form an elastic buckling structure.

2. The floor-type electronic accelerator pedal according to claim 1, wherein: the front ends of the enclosing baffles (1-4) are respectively provided with an integrated limiting column (1-6), and a cushion pad (1-7) is arranged in a hole of the limiting column (1-6); the bottom surface of the pedal (2) is provided with a limiting lug (2-4) corresponding to the cushion pad (1-7), and the limiting lug (2-4) is arranged in front of the spring seat (2-2).

3. The floor-type electronic accelerator pedal according to claim 2, wherein: the top of the cushion pad (1-7) is hemispherical, and the bottom surface of the limiting bump (2-4) is an inclined surface.