CN215794284U

CN215794284U - Speed regulating handle of electric vehicle

Info

Publication number: CN215794284U
Application number: CN202122458856.1U
Authority: CN
Inventors: 金富杰; 虞建斌; 曹华生
Original assignee: Yueqing Linuo Vehicle Parts Co ltd
Current assignee: Yueqing Linuo Vehicle Parts Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-02-11
Anticipated expiration: 2031-10-12

Abstract

The utility model relates to a speed regulating handle of an electric vehicle, which comprises a Hall seat and a handle, wherein the handle is installed on the Hall seat, a PCB is arranged on the Hall seat, one side of the PCB is provided with a Hall element, a wire harness is connected onto the PCB, an installation cavity for placing the PCB is formed in the Hall seat, a through hole for the wire harness to penetrate through is further formed in the installation cavity, and a first waterproof glue layer is coated on the PCB and the Hall element in a dispensing manner. By adopting the scheme, the defects in the prior art are overcome, and the speed regulating handle of the electric vehicle has a good waterproof effect on a Hall element and is not easy to break down and have potential safety hazards.

Description

Speed regulating handle of electric vehicle

Technical Field

The utility model relates to the technical field of speed-regulating handles, in particular to a speed-regulating handle of an electric vehicle.

Background

The speed regulating handle of the electric vehicle used in the market at present is mostly a Hall speed regulating handle, the speed regulating signal output by the speed regulating handle is a voltage signal, and the output voltage of the Hall speed regulating handle depends on the magnetic field intensity around a Hall element. Rotating the throttle knob changes the magnetic field strength around the hall element, which changes the output voltage of the hall throttle knob.

General electric motor car speed governing is including hall seat and handle, is provided with hall element in the hall seat, and hall element's water-proof effects is relatively poor, and does not have the waterproof construction to hall element, in case the hall seat is intake easily, can lead to circuit short circuit scheduling problem, breaks down easily and the potential safety hazard.

Disclosure of Invention

The utility model overcomes the defects of the prior art and provides the speed regulating handle of the electric vehicle, which has good waterproof effect on a Hall element and is not easy to have faults and potential safety hazards.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides an electric motor car speed governing is, includes hall seat and handle, and the handle is installed on the hall seat, be provided with the PCB board on the hall seat, one side of PCB board is provided with hall element, is connected with the pencil on the PCB board, be provided with the installation cavity that supplies the PCB board to place on the hall seat, installation cavity department still is equipped with the through-hole that supplies the pencil to wear to establish, and the point is glued on PCB board and hall element and is stamped first waterproof glue layer.

Through adopting above-mentioned scheme, first waterproof glue layer covers PCB board and hall element, even the hall seat has intake like this, first waterproof glue layer also can play good water-proof effects to PCB board and hall element, is difficult for breaking down and potential safety hazard.

The utility model further provides that: the Hall seat is provided with the storage tank with PCB plate-shaped adaptation in installation cavity department, and the bottom surface department of storage tank is provided with the standing groove with Hall element shape adaptation, and first waterproof glue layer covers the junction of storage tank and PCB board and pencil.

Through adopting above-mentioned scheme, the setting of storage tank is convenient for PCB board location installation, and the setting of standing groove is convenient for hall element location installation, and it is more convenient to assemble, and the position design of hall element and PCB board is reasonable to also be convenient for cover first waterproof glue layer.

The utility model further provides that: the accommodating groove is provided with a wire clamping groove for placing the wire harness at one side far away from the placing groove, and the first waterproof glue layer covers the wire clamping groove.

Through adopting above-mentioned scheme, the wire that the card wire casing can supply the pencil is placed, and the pencil is neat orderly, and first waterproof glue layer covers the card wire casing, avoids water to get into in the storage tank from card wire casing.

The utility model further provides that: the hall seat is provided with the apron in the fixed installation cavity department that corresponds, and the apron can cover the installation cavity setting.

Through adopting above-mentioned scheme, be provided with the reference column on the apron, be provided with the constant head tank in the installation cavity, the reference column is inserted and is located the constant head tank, and the apron passes through countersunk screw and hall seat fixed connection.

The utility model further provides that: the pencil includes three electric wires, and the card wire casing that corresponds with it is provided with threely, and each some scribbles the second waterproof glue layer in the card wire casing respectively.

Through adopting above-mentioned scheme, the branch point scribbles the waterproof glue film of second in each card wire casing, prevents that the air pocket from appearing after the pencil prevents, plays better waterproof effect.

The utility model further provides that: the lateral wall of the installation cavity is provided with a groove for placing the cover plate, the cover plate is arranged at the groove, and the end face of the cover plate is flush with the end face of the Hall seat.

Through adopting above-mentioned scheme, the terminal surface parallel and level of the terminal surface of apron and hall seat sets up, and is more pleasing to the eye.

The utility model is further described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the overall structure of the Hall seat;

FIG. 3 is a schematic cross-sectional view of a Hall base;

FIG. 4 is a schematic structural view of the Hall base with the cover plate removed;

FIG. 5 is a schematic view of a PCB mounting structure;

FIG. 6 is a schematic structural diagram of a mounting cavity of a Hall seat;

FIG. 7 is a schematic view of a connection structure of a Hall element, a PCB and a wire harness;

fig. 8 is a schematic structural view of the cover plate.

Detailed Description

As shown in fig. 1-8, an electric vehicle speed regulation handle comprises a hall seat 1 and a handle 2, wherein the handle 2 is installed on the hall seat 1, and the installation structure of the handle 2 and the hall seat 1 is a conventional technology in the field, so that the installation structure is not specifically described herein, a PCB 31 is arranged on the hall seat 1, a hall element 32 is arranged on one side of the PCB 31, a wiring harness 33 is connected to the PCB 31, an installation cavity 11 for the PCB 31 to be placed is arranged on the hall seat 1, a through hole 12 for the wiring harness 33 to penetrate through is further arranged at the installation cavity 11, and a first waterproof adhesive layer 4 covers the PCB 31 and the hall element 32 in a spot adhesive manner.

In this embodiment, the hall seat 1 is provided with a receiving groove 111 adapted to the shape of the PCB 31 at the mounting cavity 11, a placing groove 112 adapted to the shape of the hall element 32 is provided at the bottom surface of the receiving groove 111, and the first waterproof adhesive layer 4 covers the receiving groove 111 and the solder joint between the PCB 31 and the wire harness 33.

In this embodiment, the accommodating groove 111 is provided with a wire clamping groove 113 for placing the wire harness on a side away from the placing groove 112, and the first waterproof adhesive layer 4 covers the wire clamping groove 113.

In this embodiment, hall seat 1 is provided with apron 5 in corresponding installation cavity 11 department is fixed, and apron 5 can cover installation cavity 11 setting, is provided with reference column 51 on the apron 5, is provided with constant head tank 13 in the installation cavity 11, and reference column 51 inserts and locates constant head tank 13, and apron 5 passes through countersunk head screw 6 and hall seat 1 fixed connection.

In this embodiment, the wire harness 33 includes three wires, three wire-clamping grooves 113 corresponding to the three wires are provided, and a second waterproof adhesive layer is respectively coated at points in each wire-clamping groove 113.

In this embodiment, a groove 114 for placing the cover plate 5 is provided on the side wall of the mounting cavity 11, the cover plate 5 is placed in the groove 114, and the end surface of the cover plate 5 is flush with the end surface of the hall seat 1.

The waterproof assembly process of the Hall element is as follows: the waterproof glue is applied to the inside of the wire clamping groove 113 of the Hall seat 1 in advance in a dispensing mode, a second waterproof glue layer is formed in the wire clamping groove 113, the wire harness 33 is inserted into the through hole 12, the wire harness 33 is slowly pulled down, the Hall element 32 is pressed into the placing groove 112 in parallel, meanwhile, the PCB 31 is pressed into the containing groove 111, three wires of the wire harness 33 are respectively pressed into the corresponding wire clamping grooves 113, all the wires of the PCB 31 are dispensed with the waterproof glue to form a first waterproof glue layer 4, the first waterproof glue layer 4 covers all the welding points of the Hall element 32, the PCB 31 and the wire harness 33 and the wire clamping groove 113, the positioning column 51 of the cover plate 5 is aligned to the positioning groove 13 of the Hall seat 1, the cover plate 5 is pressed at the groove 114, the countersunk head screw 6 is tightened, and the Hall seat 1 is placed statically and dried.

The above embodiments are merely preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims

1. The utility model provides an electric motor car speed governing is handle, includes hall seat and handle, and the handle is installed on hall seat, its characterized in that: be provided with the PCB board on the hall seat, one side of PCB board is provided with hall element, is connected with the pencil on the PCB board, be provided with the installation cavity that supplies the PCB board to place on the hall seat, installation cavity department still is equipped with the through-hole that supplies the pencil to wear to establish, and the point is glued on PCB board and hall element and is stamped first waterproof glue layer.

2. The handlebar as claimed in claim 1, wherein: the Hall seat is provided with the storage tank with PCB plate-shaped adaptation in installation cavity department, and the bottom surface department of storage tank is provided with the standing groove with Hall element shape adaptation, and first waterproof glue layer covers the junction of storage tank and PCB board and pencil.

3. The handlebar as claimed in claim 2, wherein: the accommodating groove is provided with a wire clamping groove for placing the wire harness at one side far away from the placing groove, and the first waterproof glue layer covers the wire clamping groove.

4. An electric vehicle handlebar as claimed in claim 1, 2 or 3, wherein: the hall seat is provided with the apron in the fixed installation cavity department that corresponds, and the apron can cover the installation cavity setting.

5. The handlebar as claimed in claim 3, wherein: the pencil includes three electric wires, and the card wire casing that corresponds with it is provided with threely, and each some scribbles the second waterproof glue layer in the card wire casing respectively.

6. An electric vehicle handlebar as claimed in claim 1, 2 or 3, wherein: the lateral wall of the installation cavity is provided with a groove for placing the cover plate, the cover plate is arranged at the groove, and the end face of the cover plate is flush with the end face of the Hall seat.