A kind of vibrating motor ground structure and automobile
Technical field
The present invention relates to technical field of motors more particularly to a kind of vibrating motor ground structures and automobile.
Background technique
Vehicle steering wheel vibrating motor needs good ground connection property and good Electro Magnetic Compatibility (Electro Magnetic
Compatibility, EMC), the electronic component on pcb board thereon must design ground structure.In the prior art, such as Fig. 1-
Shown in Fig. 6, one end of 4 ' of pcb board is electrically connected with the terminal on vibrating motor, and the other end is connected with 3 ' of metal connecting piece, and metal connects
3 ' of fitting is generally stepped ramp type connector, wherein one end is fixedly connected with 4 ' of pcb board in the both ends being parallel to each other, other end vibration
The shell contact of dynamic motor, reaches earthing effect.Machine of the one end that 3 ' of metal connecting piece is contacted with vibrating motor to vibrating motor
Shell is protruding with multiple 31 ' of salient point, and 31 ' of salient point is contacted with the surface of vibrating motor, to realize that the electronic component on 4 ' of pcb board is grounded
Design.
However, 4 ' of pcb board only has one end to fix with vibrating motor in this ground structure, when vibrating motor vibration,
4 ' of pcb board will be driven to vibrate, thus 3 ' of the metal connecting piece vibration for connecting the 4 ' other end of pcb board, due to metal connecting piece
The no other fixed structures of 3 ', so that the shell poor contact of 3 ' of metal connecting piece and vibrating motor, it cannot be guaranteed that stable
Earthing effect;It is contacted in addition, 3 ' of metal connecting piece only passes through arc cambered surface with the shell of vibrating motor, this ground structure pair
The assembly precision of 3 ' of 4 ' of pcb board and metal connecting piece is more demanding, and salient point is easily lead to when error is larger can not be with vibration electricity
The shell of machine contacts, and is not easy to assemble.
Summary of the invention
The first object of the present invention is to propose a kind of ground structure of vibrating motor, and the earthing effect of the structure is reliable,
And it is easily assembled.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of ground structure of vibrating motor, including metallic support, vibrating motor and metal connecting piece, the vibrating motor
Including motor body and the pcb board being electrically connected with the terminal of the motor body, the motor body and the metallic support are solid
It is fixed, connecting hole is offered on the metallic support;One end of the pcb board is connecting pin, and the metal connecting piece is fixed on institute
Connecting pin is stated, the metal connecting piece is equipped with the elastic slice outwardly protruded, and the connecting pin and the metal connecting piece protrude into described
In connecting hole, and the elastic slice and the connecting pin are abutted with the inner wall of the connecting hole respectively.
Wherein, the metal connecting piece stretches out the elastic slice along the direction far from the connecting hole.
Wherein, the metal connecting piece bends downward to form bending edge along the end face of the connecting pin.
Wherein, the bending edge is cambered surface.
Wherein, the elastic slice is made up of punching press.
Wherein, the metal connecting piece and the pcb board pass through rivet interlacement.
Wherein, both the metal connecting piece and the pcb board, it is circular first positioning hole and that one, which is provided with,
Two location holes, another is provided with third location hole corresponding with the first positioning hole and opposite with the second location hole
The 4th location hole answered, third location hole is identical as first positioning hole diameter, and the size of the 4th location hole is bigger than second location hole.
Wherein, the 4th location hole is elliptical aperture.
Wherein, the metal connecting piece is made of beryllium copper.
The second object of the present invention is to propose a kind of automobile, and the earthing effect of the vibrating motor in the automobile is reliable, and
It is easily assembled.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of automobile, including steering wheel are provided with the ground structure of above-mentioned vibrating motor in the steering wheel.
The utility model has the advantages that the present invention provides a kind of ground structure of vibrating motor and automobiles.The ground structure of vibrating motor,
Including metallic support, vibrating motor and metal connecting piece, the vibrating motor include motor body and with the motor body
The pcb board of terminal electrical connection, the motor body are fixed with the metallic support, offer connecting hole on the metallic support;
One end of the pcb board is connecting pin, and the metal connecting piece is fixed on the connecting pin, and the metal connecting piece is equipped with outside
The elastic slice of protrusion, the connecting pin and the metal connecting piece protrude into the connecting hole, and the elastic slice and the connecting pin
It is abutted respectively with the inner wall of the connecting hole.Metal connecting piece and pcb board protrude into the connecting hole of metallic support in the ground structure
Interior, metal connecting piece contact with before metallic support is reliable, and the earthing effect of motor is stablized, and the structure of metal connecting piece
Simply, it is easily assembled.
Detailed description of the invention
Fig. 1 is the installation diagram of metal connecting piece and pcb board in the prior art;
Fig. 2 is sectional view along A-A in Fig. 1;
Fig. 3 is the partial enlarged view in Fig. 2 at B;
Fig. 4 is the structural schematic diagram of metal connecting piece in the prior art;
Fig. 5 is the top view of metal connecting piece in the prior art;
Fig. 6 is the main view of metal connecting piece in the prior art;
Fig. 7 is the structural schematic diagram of the ground structure of vibrating motor in the embodiment of the present invention 1;
Fig. 8 is the partial enlarged view that D goes out in Fig. 7;
Fig. 9 is the partial sectional view of the ground structure for the vibrating motor that the embodiment of the present invention 1 provides;
Figure 10 is the partial enlarged view in Fig. 9 at E;
Figure 11 is the assembling plan view of the metal connecting piece that the embodiment of the present invention 1 provides and pcb board;
Figure 12 is the partial sectional view of the assembling front view of the metal connecting piece that the embodiment of the present invention 1 provides and pcb board;
Figure 13 is the partial enlarged view that C goes out in Figure 12.
Figure 14 is the structural schematic diagram for the metal connecting piece that the embodiment of the present invention 1 provides;
Figure 15 is the top view for the metal connecting piece that the embodiment of the present invention 1 provides;
Figure 16 is the main view for the metal connecting piece that the embodiment of the present invention 1 provides;
Figure 17 is the top view for the pcb board that the embodiment of the present invention 1 provides.
Wherein:
1, motor body;2, metallic support;3, metal connecting piece;31, elastic slice;32, bending edge;33, third location hole;
34, the 4th location hole;4, pcb board;41, first positioning hole;42, second location hole;3 ', metal connecting piece;31 ', salient point;4 ',
Pcb board.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
In conjunction with attached drawing and pass through specific embodiment to further illustrate the technical scheme of the present invention.
Embodiment 1
As shown in Fig. 7-Figure 17, the present embodiment provides a kind of ground structures of vibrating motor, including metallic support 2, vibration
Motor and metal connecting piece 3, vibrating motor include motor body 1 and the pcb board being electrically connected with the terminal of motor body 14, electricity
Machine ontology 1 and metallic support 2 are fixed, and pcb board 4 is for controlling the vibration of vibrating motor ontology 1;Connection is offered on metallic support 2
Hole;One end of pcb board 4 is connecting pin, and metal connecting piece 3 is fixed on connecting pin, and metal connecting piece 3 is equipped with the elastic slice outwardly protruded
31, connecting pin and metal connecting piece 3 protrude into connecting hole, and elastic slice 31 and connecting pin are abutted with the inner wall of connecting hole respectively, with
Realize the design of vibrating motor ground connection.
Compared with prior art, it is offered on metallic support 2 for connecting PCB board 4 and metal connecting piece 3 in the present embodiment
Connecting hole, and metal connecting piece 3, as shown in fig. 7, being provided with elastic slice 31 on metal connecting piece 3, elastic slice 31 can pass through punching press
Or be bent into, this elastic slice 31 and metal connecting piece 3 are integral structures, and structure is simple, convenient for manufacture;Elastic slice 31 can also be with
It is to be fixed on metal connecting piece 3 by modes such as welding.The ground structure is by by the connection of metal clips 31 and pcb board 4
End is protruded into connecting hole, and the elastic slice 31 in metal connecting piece 3 is abutted with the inner wall of connecting hole with the connecting pin of pcb board 4, is realized
Vibrating motor ground connection.It is contacted by 31 ' of salient point on 3 ' of metal connecting piece with the shell of vibrating motor in compared with the existing technology,
The contact between metallic support 2 of metal connecting piece 3 in the present embodiment is reliable, and the earthing effect of vibrating motor is stablized, and
The structure of metal connecting piece 3 is simple, is easily assembled.
It is protruded into connecting hole for convenience of metal connecting piece 3, as shown in figure 9, metal connecting piece 3 is along the direction far from connecting hole
Stretch out elastic slice 31.When metal connecting piece 3 is protruded into connecting hole, what the inner wall of connecting hole was connect along elastic slice 31 with metal connecting piece 3
Side extrusion elastic 31 is to realize the connecting pin of metal connecting piece 3 and pcb board 4 and the assembly of connecting hole.
As shown in figures 11-13, metal connecting piece 3 and pcb board 4 can be easy to operate by rivet interlacement;To reduce gold
Belong to the accuracy of manufacture, the installation accuracy requirement of connector 3 and pcb board 4, both metal connecting piece 3 and pcb board 4, one is provided with
It is circular first positioning hole 41 and second location hole 42, it is fixed that another is provided with third corresponding with first positioning hole 41
Position hole 33 and the 4th location hole 34 corresponding with second location hole 42, third location hole 33 and 41 diameter phase of first positioning hole
Together, the size of the 4th location hole 34 is bigger than second location hole 42.In the present embodiment, as shown in figs, on metal clips 31
It is provided with third location hole 33 and the 4th location hole 34, first positioning hole 41 and the second positioning are provided on the connecting pin of pcb board 4
Hole 42, to reduce the accuracy of manufacture, being easily installed, the 4th location hole 34 is elliptical aperture, and size is greater than second location hole 42, metal
Connector 3 and pcb board 4 guarantee the installation accuracy requirement of ground structure by first positioning hole 41 and third location hole 33, pass through
Second location hole 42 and the 4th location hole 34 provide adjusting range for the installation and positioning of metal connecting piece 3 and pcb board 4.
In addition, as shown in figure 13, metal connecting sheet is along even for convenience of the positioning and fixation of metal connecting piece 3 and pcb board 4
The end face for connecing end bends downward to form bending edge 32.Bending edge 32 can be cambered surface, allow to be sheathed on the corner of connecting pin
Place, bending edge 32 is also convenient for metal connecting piece 3 and pcb board 4 is inserted into connecting hole.For the electric conductivity for improving metal connecting piece 3
And mechanical performance, metal connecting piece 3 can be made of beryllium copper, beryllium copper is the high-grade elastic material that performance is best in copper alloy, is had
Very high intensity, elasticity, hardness, fatigue strength, elastic hysteresis be small, anti-corrosion, wear-resisting, cold-resistant, highly conductive, nonmagnetic, impact not
Generate a series of excellent physics, chemistry and the mechanical properties such as spark.
Embodiment 2
A kind of automobile, including steering wheel are present embodiments provided, the vibrating motor of the offer of embodiment 1 is provided in steering wheel
Ground structure.It is contacted by 31 ' of salient point on 3 ' of metal connecting piece with the shell of vibrating motor in compared with the existing technology, this
The contact with before metallic support 2 of metal connecting piece 3 in the ground structure of the vibrating motor is reliable, and the earthing effect of motor is steady
It is fixed, and the structure of metal connecting piece 3 is simple, is easily assembled.
The above is only a preferred embodiment of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.