CN113879120B

CN113879120B - Floor type electronic accelerator pedal assembly

Info

Publication number: CN113879120B
Application number: CN202110940292.7A
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: 2023-03-10
Anticipated expiration: 2041-08-17
Also published as: CN113879120A

Abstract

The invention discloses a floor type electronic accelerator pedal assembly, which comprises a base plate, a pedal, an angle detection unit of the pedal and a spring return mechanism between the pedal and the base plate, wherein the base plate and the pedal are mutually hinged; the angle detection unit comprises a magnetic sheet, and an induction element and a circuit board which are electrically connected; hinge shaft holes are formed in two sides of a hinge block at the front end of a base plate body, an electric groove is formed in the bottom of the front end of the base plate, a plurality of leads are embedded in the base plate, an integrated plug socket is arranged at the tail end of the base plate and is arranged below the tail end of a pedal, shaft rings are arranged on two sides of the front end of the pedal, and a pin shaft inserted in the shaft rings is pivoted with the hinge shaft holes on the same side; the magnetic sheet embedded type electric switch has the advantages that the magnetic sheet is embedded at the inner end of one pin shaft, the sensing element is embedded in the electric groove with the circuit board, the lead wire is embedded in the base plate, the pin of the lead wire is electrically connected with the circuit board, and the connecting end of the lead wire is arranged in the integrated plug socket at the tail end of the base plate, so that the whole structure is cleaner, the packaging volume is reduced, the occupied space is reduced, and the transportation cost is saved.

Description

Floor type electronic accelerator pedal assembly

Technical Field

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

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 floor formula, like chinese utility model patent "ground installation formula automatically controlled accelerator pedal" that publication number is CN20121393Y, the angle detecting unit setting of its footboard is in one side of footboard and protrusion in the lateral part edge of footboard for the packing is more troublesome, and occupies more packaging space, and the cost of transportation is high, remains to be improved.

Disclosure of Invention

The invention aims to solve the technical problem of providing a floor type electronic accelerator pedal assembly which is clean in structure and small in packaging occupied space.

The technical scheme adopted by the invention is as follows: a floor type electronic accelerator pedal assembly comprises a base plate and a pedal which are hinged with each other, an angle detection unit of the pedal, and a spring return mechanism between the pedal and the base plate; the angle detection unit comprises a magnetic sheet, an induction element and a circuit board, the induction element is electrically connected with the circuit board, hinged shaft holes are formed in two sides of a hinged block at the front end of the base plate body, an electric groove is formed in the bottom of the front end of the base plate, an integrated socket is arranged at the tail end of the base plate and arranged below the tail end of the pedal, a plurality of lead wires are embedded in the base plate, pins of the lead wires downwards protrude out of the top wall of the electric groove, and connecting ends of the lead wires are arranged in the socket; two sides of the front end of the pedal are respectively provided with a shaft collar, and a pin shaft inserted on the shaft collar is pivoted with the hinge shaft holes on the same side; the magnetic sheet is embedded at the inner end of one pin shaft, the induction element and the circuit board are arranged in the electric groove, and the circuit board is electrically connected with the pin of the lead.

Compared with the prior art, the magnetic sheet is embedded at the inner end of one pin shaft, the sensing element is embedded in the circuit board and is arranged in the electric groove at the bottom of the front end of the base plate, the lead wire is embedded in the base plate, the pin of the lead wire is electrically connected with the circuit board, and the connecting end of the lead wire is arranged in the integrated socket at the tail end of the base plate, so that the whole structure is cleaner, the packaging volume is reduced, the occupied space is reduced, and the transportation cost is saved.

Preferably, two welding posts which protrude downwards and are in a stepped shape are arranged in the electrical groove, and the welding holes in the circuit board are sleeved with the welding posts. The circuit board is fixed by thermally welding the two solder columns.

As an improvement, two sides of the base plate body are provided with lugs, and bolt holes for fixing the base plate are arranged on the lugs; the leads are arranged in parallel, and one section of the leads embedded in the substrate body is a straight line section. The setting up of lug makes the fixed stability of base plate and automobile body better to for the pre-buried more spaces that provide of lead wire, make parallel arrangement's lead wire bury underground and can establish to the straightway in this internal one section of base plate, make the production of lead wire comparatively simple, the base plate is moulded plastics and is laid a line clearly before.

As an improvement, a plurality of reinforcing ribs are arranged between the lug lugs and the substrate body. For enhancing the firmness of the connection between the lug and the substrate body.

Drawings

Fig. 1 is a front perspective view schematically illustrating embodiment 1.

Fig. 2 is a front perspective view of embodiment 2.

Fig. 3 is an exploded view of embodiment 2 (pedal and spring omitted).

Fig. 4 is a bottom perspective view of the substrate of example 2.

Fig. 5 is a perspective view of a lead wire of example 2.

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, 1-8 parts, a lug, 1-9 parts, a bolt hole, 1-10 parts, a reinforcing rib, 1-11 parts, an electric groove, 1-12 parts, a plug socket, 1-13 parts, a welding column, 2 parts, a pedal, 2-1 parts, a shaft collar, 2-1 parts, a plug shaft hole, 2-2 parts, an upper spring seat, 2-3 parts, a lower edge, 2-3-1 parts, an arc-shaped buckle groove, 3 parts, a pin shaft, 3-1 parts, a plug hole, 4 parts, a spring, 5 parts, a magnetic sheet, 6 parts, an induction element, 7 parts, a circuit board, 8 parts, a lead wire, 8-1 parts, a pin, 8-2 parts, a connecting end, 9 parts and a cover plate.

Detailed Description

The invention is described in further detail below with reference to the following examples of the drawings.

Example 1

The present embodiment is a floor type electronic accelerator pedal assembly as shown in fig. 1, which includes a base plate 1 and a pedal 2 hinged to each other, an angle detecting unit of the pedal 2, and a spring return mechanism between the pedal 2 and the base plate 1. The angle detection unit comprises a magnetic sheet 5, an induction element 6 and a circuit board 7, wherein pins of the induction element 6 are electrically connected with the circuit board 7. The two sides of a hinged block 1-1 at the front end of a base plate 1 body are provided with hinged shaft holes 1-1-1, the bottom of the front end of the base plate 1 is provided with an electric groove 1-11, the tail end of the base plate 1 is provided with an integrated socket 1-12, the socket 1-12 is arranged below the tail end of a pedal 2, a plurality of lead wires 8 are embedded in the base plate 1, pins 8-1 of the lead wires 8 protrude downwards from the top walls of the electric grooves 1-11, and connecting ends 8-2 of the lead wires 8 are arranged in the socket 1-12; two sides of the front end of the pedal 2 are respectively provided with a shaft collar 2-1, and a pin shaft 3 inserted on the shaft collar 2-1 is pivoted with a hinge shaft hole 1-1-1 at the same side; the magnetic sheet 5 is embedded in an embedding hole 3-1 at the inner end of one pin shaft 3, the induction element 6 and the circuit board 7 are installed in the electric grooves 1-11, the circuit board 7 is electrically connected with a pin 8-1 of the lead 8, the whole structure is neat, and the occupied space after packaging is small.

Example 2

The general idea of the floor type electronic accelerator pedal assembly of the present embodiment is the same as that of embodiment 1, the angle detection unit is integrated in the substrate 1, but it is different, as shown in fig. 2 and 3, the two sides of the substrate 1 body are provided with lugs 1-8, bolt holes 1-9 for fixing the substrate 1 are arranged on the lugs 1-8, the space of the substrate 1 body is set off to the lead wire 8, and a plurality of reinforcing ribs 1-10 are arranged between the lugs 1-8 and the substrate 1 body. Mainly because in embodiment 1, a plurality of bolt holes 1-9 are alternately arranged in the middle of the main body of the substrate 1, which results in that the layout space of the lead wire 8 is very small, and the shape of the lead wire 8 is difficult to unify, the lead wire 8 needs to be designed in various patterns, the production cost is increased, and the lead wire 8 needs to be selected when being arranged, which is time-consuming.

The specific arrangement of the angle detection unit is shown in fig. 3. Here, the base plate 1 is shown as 4, the hinge shaft holes 1-1-1 are arranged on both sides of the hinge block 1-1 at the front end of the body of the base plate 1, and the hinge shaft holes 1-1-1 are blind holes; the electric groove 1-11 at the bottom of the front end of the substrate 1 is of a pyramid-like structure, the electric groove 1-11 is totally three layers, the top layer of the electric groove 1-11 is positioned in the hinge block 1-1 and is used for embedding the sensing element 6, the middle layer of the electric groove 1-11 is used for installing the circuit board 7, the middle layer of the electric groove 1-11 is provided with two downward welding columns 1-13, the welding columns 1-13 are stepped and are reduced downwards, the welding hole 7-1 on the circuit board 7 is sleeved with the welding column 1-13, after the circuit board 7 is attached to the stepped surface of the welding column 1-13, the circuit board 7 is fixed through the thermal welding columns 1-13, the bottom layer of the electric groove 1-11 is used for installing the cover plate 9, and the bottom layer of the electric groove 1-11 can be provided with a waterproof sealing ring (not shown), so that the electric groove 1-11 and the cover plate 9 form sealing; a plurality of leads 8 are embedded in the substrate 1, pins 8-1 of the leads 8 protrude downwards from the top wall of the middle layer of the electric grooves 1-11, connecting ends 8-2 of the leads 8 are arranged in plug sockets 1-12 at the tail end of the substrate 1, and the substrate 1 body and the plug sockets 1-12 are of an integral structure; the plurality of leads 8 are arranged in parallel, a section of the lead 8 embedded in the body of the substrate 1 is a straight line segment, and the specific structure of the lead 8 is shown in fig. 5. 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 a pin shaft 3 is inserted in the inserting shaft hole 2-1-1, the outer end of the pin shaft 3 is provided with one or more radial convex blocks which are inserted in the inserting shaft hole to limit circumferential rotation of the pin shaft 3, a pin hole which is vertical to the axis of the pin shaft 3 is further arranged on the shaft collar 2-1, a limiting pin (not shown in the figure) which limits axial movement of the pin shaft 3 is inserted in the pin hole, the inner end of the pin shaft 3 is pivoted with the hinge shaft hole 1-1-1 at the same side, the magnetic sheets 5 adopt circular permanent magnetic blocks, the magnetic sheets 5 are embedded in the inserting hole 3-1 at the inner end of one pin shaft 3, the sensing element 6 is a Hall sensor, the sensing element 6 is close to the magnetic sheets 5, and the circuit board 7 is welded and fixed by welding columns 1-13 to weld the pins 8-1 of the lead 8 and the circuit board 7 to form electric connection.

The spring reset mechanism comprises two springs 4 arranged side by side, two lower spring seats 1-2 arranged on the base plate 1 and two upper spring seats 2-2 arranged on the bottom surface of the pedal 2, wherein the upper end surface of the base of the lower spring seat 1-2 inclines towards the hinged part, namely, the part of the base far away from the hinged part is thicker, the spring plug-in post at the upper end of the base inclines forwards again, in order to facilitate the demoulding of the spring plug-in post, the base plate 1 is provided with a demoulding hole 1-3 in front of the lower spring seat 1-2, the lower surface of the base of the upper spring seat also inclines towards the hinged part, namely, the part of the base far away from the hinged part is thicker; the pedal comprises a base plate 1 and is characterized by further comprising enclosing baffles 1-4 and lower edges 2-3, wherein the enclosing baffles 1-4 are arranged outside the lower spring seats 1-2, the lower edges 2-3 are arranged on two sides of the pedal 2, the enclosing baffles 1-4 and the base plate 1 are of an integral structure, the upper ends of the enclosing baffles 1-4 are inclined planes used for limiting the pedal 2, one isolated section of the outer sides of the enclosing baffles 1-4 is an elastic buckle 1-5 with the upper end protruding outwards, arc-shaped buckle grooves 2-3-1 are formed in the inner walls of the lower edges 2-3, and the elastic buckle 1-5 and the arc-shaped buckle grooves 2-3-1 on the outer sides of the elastic buckle form an elastic buckling structure. After the spring 4 is installed, in the process of pressing the pedal 2 to enable the spring 4 to contract, the buckling blocks protruding outwards at the upper ends of the elastic buckles 1-5 contract inwards in advance and then protrude outwards to be clamped into the arc-shaped buckling grooves 2-3-1 to form buckling connection, and under the condition that the pedal 2 is not stressed, the buckling blocks of the elastic buckles 1-5 are abutted to the groove wall at the bottom ends of the arc-shaped buckling grooves 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 is automatically bounced or the pedal 2 is opened under the action of the spring 4, and replacement is carried out after the spring 4 is exposed. Of course, the spring return mechanism may be further modified or an existing spring return mechanism may be used.

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 assembly comprises a base plate (1) and a pedal (2) which are hinged with each other, an angle detection unit of the pedal (2), and a spring return mechanism between the pedal (2) and the base plate (1); angle detecting element includes magnetic sheet (5), sensing element (6) and circuit board (7), and sensing element (6) are connected its characterized in that with circuit board (7) electricity: two sides of a hinged block (1-1) at the front end of a base plate (1) body are provided with hinged shaft holes (1-1-1), the bottom of the front end of the base plate (1) is provided with an electric groove (1-11), the tail end of the base plate (1) is provided with an integrated socket (1-12), the socket (1-12) is arranged below the tail end of a pedal (2), a plurality of leads (8) are embedded in the base plate (1), pins (8-1) of the leads (8) protrude downwards from the top walls of the electric grooves (1-11), and connecting ends (8-2) of the leads (8) are arranged in the socket (1-12); both sides of the front end of the pedal (2) are provided with shaft collars (2-1), and a pin shaft (3) inserted on the shaft collars (2-1) is pivoted with the hinge shaft holes (1-1-1) at the same side; the magnetic sheets (5) are embedded at the inner end of one pin shaft (3), the induction element (6) and the circuit board (7) are installed in the electric grooves (1-11), and the circuit board (7) is electrically connected with the pins (8-1) of the lead (8).

2. The floor-mounted electronic accelerator pedal assembly according to claim 1, wherein: two welding columns (1-13) which protrude downwards and are in a stepped shape are arranged in the electric grooves (1-11), and the welding holes (7-1) in the circuit board (7) are sleeved with the welding columns (1-13).

3. The floor-mounted electronic accelerator pedal assembly according to claim 1, wherein: the two sides of the base plate (1) body are provided with lugs (1-8), and bolt holes (1-9) for fixing the base plate (1) are arranged on the lugs (1-8); the plurality of leads (8) are arranged in parallel, and one section of each lead (8) embedded in the substrate (1) body is a straight line section.

4. The floor-mounted electronic accelerator pedal assembly according to claim 3, wherein: a plurality of reinforcing ribs (1-10) are arranged between the lugs (1-8) and the base plate (1) body.