JP2535611Y2 - Display device for vehicles - Google Patents

Description

[Detailed description of the invention]

[0001]

[Industrial application field] The present invention relates to an inner machine and an inner machine.
With a rigid printed wiring board on which the power supply circuit is mounted
Instrument into the case through the opening in the front of the case.
With a facing plate attached to the opening of this case.
And a flexible printed wiring disposed on a rear surface of the case.
Power is supplied from the board to the rigid printed wiring board to
The present invention relates to a vehicle display device for operating a machine .

[0002]

2. Description of the Related Art Conventionally, a combination meter for a vehicle as shown in FIG. 13 has such a display device for a vehicle.

The combination meter includes an instrument group 1 for displaying a running state of a vehicle, a case 2 for accommodating the instrument group 1, and a flexible printed wiring for supplying an electric signal or power to the instrument group 1. A board (FPC) 3, a metal screw 4 for fixing the instrument group 1 in the case 2 and electrically connecting to the FPC 3, a bulb 5 for illuminating the instrument group 1, and displaying the instrument group 1 and the like. It has a facing 6 for concealing an extra portion other than the portion, and a front glass 8 for protecting the instrument group 1 and preventing entry of dust and the like to the display surface.

The meter group 1 displays a speedometer 1a for displaying the speed, a tachometer 1b for displaying the engine speed, an engine oil meter 1c for displaying the remaining engine oil, and a remaining gasoline. Fuel meter 1d,
The water temperature gauge 1e displays the temperature of the cooling water of the engine.

Since these instruments have the same structure, only the structure of the speedometer 1a will be described.
The speedometer 1a includes an inner unit 11a formed of, for example, a cross-coil type movement through which a current according to a measured amount of speed is passed, and a pointer 11 driven by the inner unit 11a.
b, a dial 11c for displaying a measured amount of speed in cooperation with the pointer 11b, and an electric component constituting a circuit for generating a signal for flowing a current according to the measured amount of speed to the inner unit 11a. Printed wiring board (HPC) 1 on which is mounted
1d. Note that the HPC 11d is
a electrically and mechanically. Also, HPC
11d is a terminal 1 electrically connected to the conductive pattern.
13d is attached, and a screw hole 111d for screwing the metal screw 4 is formed in the terminal 113d.

The case 2 is formed with a positioning pin 2a that stands up in the case 2. The positioning pin 2a is inserted into the positioning round hole 111a of the dial, whereby the speedometer 1a is connected to the case 2. Is positioned at A positioning pin (not shown) protruding rearward for mounting the FPC 3, a round hole 2 c for inserting the metal screw 4, and an attachment for mounting the valve 5 are provided on the rear surface of the case 2. A hole 2d is formed. Further, an insertion hole 2e for attaching the facing 6 and two positioning pins 2f are formed at the edge of the front surface of the case 2.

A round hole 3a is formed in the FPC 3, and a positioning pin on the rear surface of the case 2 is inserted into the round hole 3a, so that the FPC 3 is formed on the rear surface of the case 2.
Is attached. In the conductive pattern of the FPC 3, a round hole 3b for inserting a metal screw 4 is formed.
b, by being screwed into the screw hole 111d of the terminal 113d of the HPC 11d through the round hole 2c of the case 2,
The PC 3 and the HPC 11d are electrically connected, and the speedometer 1a is fixed to the case 2.

Further, a valve insertion hole 3c for inserting the valve 5 is formed in the conductive pattern of the FPC 3, and the valve 5 is inserted into the valve insertion hole 3c and electrically connected thereto. It is mounted in the insertion hole 2d of the case 2.

The front glass 7 is attached to a facing 6, and two round holes 6 a and a projection 6 b are formed at the edge of the facing 6, and two round holes 6 a of the case 2 are formed in the round holes 6 a. The positioning pin 2f is inserted and the projection 6a is inserted into the insertion hole 2
e, the facing 6 is attached to the case 2.

Next, the procedure for assembling the combination meter will be described. First, the round hole 3a of the FPC 3
The positioning pin on the rear surface of case 2 is inserted into
Attach FPC3. The valve 5 is inserted and inserted into the valve insertion hole 3c of the FPC 3 and the valve insertion hole 2d of the case 2.

Next, the case 2 is turned over, for example,
The positioning pin 2a of the case 2 is inserted into the round hole 111a of the dial 11c of the speedometer 1a to position the speedometer 1a in the case 2, and the other meter groups 1 are similarly positioned in the case 2. After that, the facing 6 to which the front glass 8 is attached is attached to the front of the case 2.

Then, the case 2 is turned over again, and the metal screw 4 is inserted into the round hole 3 b of the conductive pattern of the FPC 3.
For example, the screw hole 111d of the terminal 113d of the HPC 11d of the speedometer 1a is screwed through the round hole 2c of the case 2, and the metal screw 4 is screwed to the other instrument group 1 in the same manner. Are electrically connected, and the instrument is fixed to the case 2.

[0013]

However, in the above-mentioned conventional vehicle display device, the metal screw 4 is used to electrically connect the FPC 3 and the HPC 11d and fix the instrument to the case 2. Then, the metal screw 4 is inserted through the round hole 3b of the conductive pattern of the FPC 3 and the round hole 2c of the case 2 into H.
The screw must be screwed into the screw hole 111d of the terminal 113d of the PC 11d, and it is necessary to turn it over twice, so that the workability is poor and the work requires skill. In addition, there is also a problem that a contact failure is likely to occur, and a plurality of metal screws 4 are required for one instrument, so that it takes a long time to assemble. Further, in the above-described conventional vehicle display device,
Is, for example, in the case of the speedometer 1a,
Insert the positioning pin 2a of the case 2 into the round hole 111a
After positioning in the lateral and vertical to case 2, cable
The positioning in the front-back direction with respect to the screw 2
Stopped, but metal screw 4 is not fully tightened
Or loosen the metal screw 4 that has been tightened later.
Position is not maintained in the front-rear direction,
In particular, speedometers
Use multiple metal screws 4 to fix each instrument including 1a
From the looseness of the screw tightening described above.
There is a problem that there is a high possibility of occurrence.

Therefore, in view of the above-mentioned conventional problems, the present invention is housed inside the case and located behind the inner machine.
Rigid printed circuit board of the instrument and the outside rear of the case
And the flexible printed circuit board disposed in the case.
In making electrical connection in the part, good workability,
A simple and electrically stable assembly can be performed , and in the case, especially in the front-rear direction.
Secure positioning of rigid printed circuit boards
It is an object of the present invention to provide a vehicle display device that can perform the above.

[0015]

According to a first aspect of the present invention, there is provided a display device for a vehicle, comprising: an inner unit; and a power supply circuit to which the power supply circuit for the inner unit is mounted.
Instrument with a quality printed circuit board in front of the case
From the rigid printed circuit board side through the opening
It is housed inside the case, and a return plate is
Attached and a flexible disposed on the rear surface of the case
From the rigid printed wiring board to the rigid printed wiring board
In feeding to vehicle display device to operate the said machine, by performing the positioning of the lateral and vertical directions of the instrument with respect to the case, see clamping the instrument between the rear and the dial of the case, and the The rigid printed circuit board and the flexible printed circuit board are electrically connected to each other by a connector inserted from outside the case into a connector insertion hole opened in the case, and the connector is connected to the rigid printed circuit board.
Contact the printed circuit board directly
The plate is connected to the facing plate side and the case
Press the gauge against one of the rear sides to
Position the instrument in the front-back direction, and attach the instrument to the case.
It is characterized by being fixed . Further, according to claim 2
The vehicle display device according to the present invention has the above-described case.
Horizontal and vertical positioning of the instrument with respect to
The recess formed in one of the instrument and the case is
The case is moved relative to the formed convex portion in the front-rear direction of the case.
It is characterized by being fitted while moving. Further
The vehicle table made by the present invention described in claim 3
The indicating device is configured to display the meter before and after the case and the look-back.
With the rigid printed circuit board sandwiched between
From the back of the case in the longitudinal direction.
The hard printed wiring board is provided on the side wall of the case.
The side wall portion facing the gap between the
A connector insertion hole is formed, and the rigid
Between the printed circuit board and the rear surface of the case.
The connection tool is inserted.

[0016]

According to the present invention, there is provided a display for a vehicle according to the present invention.
The configuration of the apparatus, after the instrument has been positioned in the lateral and vertical directions with respect to the case, dial is Ri by the be attached to the front of the case, meter unit is sandwiched between the rear and the dial of the case, further , Connection tool insertion hole opened in the case
When the connecting device is inserted from outside the case,
Rigid printed circuit board and case located behind machine
Is electrically connected to the flexible printed circuit board
Connected to. Therefore, the left and right of the instrument case and
Following the positioning in the vertical direction and the installation of the return plate,
Just insert the connector into the connector insertion hole on the case, and
A hard printed wiring board located behind the
Electrical connection with a flexible printed circuit board can be easily and easily performed.
To achieve good workability and good electrical connectivity.
It becomes possible. In addition , the printed wiring is a rigid connector
In direct contact with the board, this rigid printed wiring board,
Either of the facing plate side or the rear side of the case depending on the connection tool
To the instrument, so that the instrument is
Position in the left, right, up and down directions
The instrument is fixed to the case together with the eye. Therefore, the instrument
Are securely positioned in the left, right, up, down, and front and back directions of the case.
The connector insertion hole of the case.
By inserting the connecting device, the hard
Between a high quality printed circuit board and a flexible printed circuit board.
At the same time as the pneumatic connection, the instrument is securely attached to the case without rattling
It can be fixed.

Further, according to the second aspect of the present invention,
Depending on the configuration of the vehicle display device, one of the instrument and the case
Of the case with respect to the convex part formed on the other of the concave part
The mating by relative movement in the front-rear direction
By positioning the container in the horizontal and vertical directions,
The direction in which the container is not positioned with respect to the case is
It is limited only to the front-back direction of the case. Therefore, the fitting insertion
Simple operation of inserting the connector into the hole from outside the case
The positioning of the instrument in the front-back direction of the remaining case
Therefore, fixing the instrument to the case is simple,
And it can be achieved reliably. In addition,
The configuration of the vehicle display device of the present invention described in claim 3
Insert the connector into the connector insertion hole from outside the case
The rigid printed wiring board facing this connector insertion hole
The connector is inserted directly into the space between the plate and the rear of the case
Is done. Therefore, rigid printed wiring boards and flexible pre-
Insert the connector with awareness of the position of the printed circuit board in the case.
This rigid printed circuit board and flexible
Rigid pre-connector that can achieve electrical connection with the lint wiring board
Check the connection between the printed circuit board and the rear of the case.
Insert the rigid printed circuit board and flexible
To improve the reliability of electrical connection with the printed circuit board
Becomes possible.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a first embodiment of a vehicle display device according to the present invention, and FIG. 2 shows an assembling method thereof. In FIG. In the figure,
The speedometer 1a is inserted into a positioning round hole 112d formed in an HPC 11d attached to the inner unit 11a, and a positioning pin 2g formed upright on the case 2 is inserted into the speedometer 1a. It is positioned in the horizontal direction.

A packing 6c made of an elastic urethane or the like is attached to the rear surface of the facing 6 and the facing 6
By being attached to the front of the packing 6c is that Sessu bullet the dial 11c surface of speedometer 1a.

A positioning pin 2b is projected from the rear surface of the case 2, and this positioning pin 2b is
By inserting into the positioning round hole 3a of C3, the FPC
3 is attached to the case 2. The FPC 3 is formed with a tongue portion 3d having a conductive pattern, and this tongue portion 3d is folded back to an FPC folded portion 2h formed on the side wall portion of the case 2. This folded back part 3d
A contact portion 113d is formed on the HPC 11d of the speedometer 1a so as to face the conductive pattern of FIG.

Further, on the side of the FPC folded portion 2h of the case 2, an opening is formed in the side wall of the case 2, and the engaging portion 211a is formed.
A connecting tool insertion hole 21a having the following shape is formed. As shown in FIG. 3, the connecting tool insertion hole 21a has four short pins 7a, a short pin holder 7b, and two short pin fixing pins 7c. Is inserted from the side wall side of the case 2, and by this insertion, the elastic locking piece 72 b of the short pin holder 7 b is engaged with the engaging portion 211 a to attach the connecting tool 7.

The short pin 7a is a conductive elastic member, and is formed into a pair of doglegs which project outward by bending a rectangular metal member. Protrusions 71a are formed on the pair of convex portions by press working, respectively. The lower end 72a of the short pin 7a is
The short pin 7a is attached to the short pin holder 7b by being sandwiched by the sandwiching portion (not shown) of b.

The short pin holder 7b has elastic locking pieces 72b on both sides, ribs 73b on the front surface, and a partition plate 74b at the center for separating the short pin holders 7b from each other.

With the attachment of the connecting member 7 as described above, the one protruding portion 71a of the short pin 7a is
Of the short pin 7a is connected to the contact portion 113d of the HPC 11d, and the HPC 1 near the contact portion 113d is connected to the conductive pattern of the tongue portion 3d.
The 1d portion is pressed against the packing 6c on the rear surface of the facing
As a result, the speedometer 1a is
Fixed is positioned on the case 2 in the longitudinal direction Rutotomoni by the rib 73b and the short pin 7a of the short pin holder 7b edge of HPC11d is sandwiched Te.

To assemble this device, first, the HPC 11 attached to the inner unit 11a of the speedometer 1a
By inserting a positioning pin 2g formed in the case 2 into a positioning round hole 112d formed in the case d, the speedometer 1a is positioned with respect to the case 2 in the front, rear, left and right directions.

Next, the facing 6 is attached to the front of the case 2, and the packing 6c is attached to the dial 11 of the speedometer 1a.
b .

Thereafter, the FPC 3 is attached to the case 2 by inserting the positioning pins 2b formed in the case 2 into the positioning round holes 3a formed in the FPC 3.
The tongue portion 3d of the FPC 3 is folded back to the FPC folded portion 2h of the case 2, and the conductive pattern of the folded tongue portion 3d is opposed to the contact portion 113d of the HPC 11d.

The engaging portion 21 provided on the case 2
The connector 7 is inserted into the connector insertion hole 21a having the hole 1a, and the elastic locking piece 72b of the short pin holder 7b is engaged with the engaging portion 211a and attached.

With this attachment, the short pin 7a
Through the conductive pattern of the tongue portion 3d of the FPC 3 and the HPC
11d and the contact portion 113d together with the interconnections, contact
The HPC 11d near the touching part 113d is after the facing 6
Pressure on the packing 6c side of the surface,
The meter 1a is positioned in the front-back direction with respect to the case 2.
To the case 2 .

As described above, in this embodiment, the HPC
The instrument is fixed to the case 2 by inserting the positioning pin 2g formed in the case 2 into the positioning round hole 112d formed in the case 11d and attaching the facing 6 with the packing 6c attached to the front surface of the case 2. Then, the tongue portion 3d of the FPC 3 is turned back, and the connector 7 is inserted into the connector insertion hole 21a.
The electric connection between the HPC 11d and the FPC 3 can be achieved simply by attaching the FPC 3 to the vehicle, and a vehicle display device with good workability, simple operation, and electrically stable contact can be assembled.

Also, insert and engage with case 2 for mounting.
Both projections 71 of the short pin 7a of the connecting tool 7 to be connected
a, 71a correspond to the conductive pattern of the tongue portion 3d of the FPC 3.
Connected to contact 113d of HPC 11d
And the HPC 11d near the contact part 113d looks back
6 is pressed against the packing 6c on the rear surface of the
The case 1a is positioned in the front-
Is fixed to the base 2 so that the positioning round hole of the HPC 11d
When the positioning pin 2g of the case 2 is inserted into 112d
In the front-rear direction of case 2
Position of the HPC 11d by inserting the connector of the case 2
Secure by simple work of inserting the connector 7 into the hole 21a
Can be achieved. Furthermore, the edge of the HPC 11d of the speedometer 1a is clamped by the short pin 7a of the connector 7 which is inserted into, engaged with, and attached to the case 2 and the rib 73b of the short pin holder 7b.
Speedometer 1a positioned and fixed in case 2
Can be more reliably fixed. FIGS. 4 to 7 show a second embodiment of the present invention, in which the connector 7 having the short pin 7a and the short pin holder 7b is inserted into the case 2 and attached to the case 2 as described above.
Are changed to the rear surface of the case 2.

That is, the HPC 1 of the speedometer 1a positioned and fixed in the case 2 is provided on the rear surface of the case 2.
F for folding back the tongue portion 3d of the FPC 3 on which the conductive pattern is formed so as to face the contact portion 113d of 1d
A PC folded portion 2h is formed, and on the side of the FPC folded portion 2h, a connector insertion hole 21a that opens to the rear surface of the case 2 and into which a connector 7 is inserted as described later.
Are formed.

Also, the F attached to the rear surface of the case 2
As shown in FIG. 6, the connecting part insertion hole 21a of the PC 3 is provided such that the tongue portion 3d on which the conductive pattern is formed extends from one side of the insertion hole 21a to the middle of the insertion hole. At the same time, the tongue portion 3e in which the conductive pattern is not formed from the other side of the insertion hole 21a to the middle of the insertion hole (flexible)
(Corresponding to the portion of the flexible printed wiring board) .

Further, as shown in FIG. 7, the connector 7 has a flat plate shape substantially corresponding to the tongue portion 3d of the FPC 3.
A base 7c (corresponding to a connection portion) and one of the bases 7c
A short pin holder 7b projecting from the surface and bent at the front end portion sideways, and a short pin 7a disposed at a bent portion of the holder 7b and similar to that of the first embodiment. And

In order to attach the above-mentioned connecting member 7, the tongue 3d on which the conductive pattern of the FPC 3 attached to the rear surface of the case 2 is formed is connected to the FPC folded portion 2 of the case 2.
Then, the folded conductive pattern of the tongue portion 3d is substantially opposed to the contact portion 113d of the HPC 11d.

Next, as shown in FIG. 4, the case 2 is disposed in the connector insertion hole 21a from the rear side to the front side (in the X direction) of the case 2 from the rear surface to the connector insertion hole 21a. The connector 7 is inserted while pressing the tongue portion 3e of the FPC 3 on which the conductive pattern is not formed into the insertion hole 21a, and further, the connector 7 is turned upward in the drawing (in the Y direction).
Move.

With the movement of the connecting member 7, the insertion hole 21
a of the tongue portion 3e is returned to the state before the connector 7 is inserted by the elastic force of the FPC 3 itself.
By the tip of the e abuts against the holder 7b, anti skill that the holder 7b moved upward in FIG. 4 is moved downward,且
First, the tongue portion 3e and the base 7c of the connection tool 7
The tongue portion 3d of the FPC 3 extends into the connector insertion hole 21a.
As shown in FIG. 4, the opening formed as a result is substantially closed .

By the attachment of the connecting member 7, the short pin 7a is connected to the conductive pattern of the tongue portion 3d of the FPC 3 and the short pin 7a.
And respectively contact the contact portion 113d of PC11d, H
The conductive pattern of the PC 11d and the contact portion 113d are electrically connected.
And the HPC near the contact portion 113d.
11d part is pressed against packing 6c on the rear surface of facing 6
As a result, the speedometer 1a is
Then, it is positioned in the front-back direction and fixed to the case 2 .

As described above, in the present embodiment, the position where the connector 7 is inserted into and attached to the case 2 is arranged on the rear surface of the case 2, while the assembling operation of the instrument is performed on the front side of the case 2. Alternatively, since it is mainly performed from the rear surface side, as described above, by setting the insertion and attachment position of the connecting tool 7 to the rear surface portion, the assembling workability can be further improved. Moreover, in the present embodiment, the connecting tool 7 is
The insertion hole 21a of the case 2 to be inserted is
After installation, the base 7c of the connector 7 and the tongue of the FPC 3
3e, the insertion hole 21a is substantially closed.
Is completely open to the outside of case 2 after insertion of
I, and the electrical connection between the HPC11d and FPC3, to case
Block positioning of HPC 11d in front and rear direction
Intrusion of foreign matter into the insertion hole 21a,
Contact with the FPC 11d and the FPC 3 can be prevented .

Further, as in the first embodiment, when the mounting position of the connecting tool 7 is on the side wall of the case 2,
It is necessary to extend the contact portion 113d between the tongue portion 3d of the FPC 3 and the HPC 11d, which are electrically connected by the connection tool 7, to the side wall portion of the case 2, whereby the FPC 3, HP
Although the shape of C11d may be large, according to the present embodiment, the mounting position of the connection tool 7 is set to an appropriate position on the rear surface of the case 2 so that the FPC3, HPC1
By preventing the formation of 1d extension, these FPC3, HPC11
The size d can be reduced in size, and the cost can be reduced. Moreover, as in the first embodiment,
Insertion hole 21a of case 2 where connector 7 is attached
And the front and rear of the case 2 for inserting the connecting tool 7 and the HPC 11d.
By providing it on the side wall of the case 2 facing the space between
Be aware of the position of HPC 11d and FPC 3 in Case 2.
The HPC 11d and the FP can be inserted without inserting the connecting
With a hard HPC 11d capable of achieving an electrical connection with C3
Insert the connector 7 securely into the space between the case 2 and the rear surface.
The reliability of the electrical connection between the HPC 11d and the FPC3
Can be improved.

Further, as in the first embodiment, when the connecting member 7 is mounted on the side wall of the case 2, a slide die is necessary for molding the case 2 with a resin. By adopting the embodiment, the slide die can be eliminated, and the die cost can be reduced.

FIGS. 8 to 11 show a third embodiment of the present invention, in which the direction of insertion and movement of the connecting tool 7 is changed while the mounting position of the connecting tool 7 is set to the rear surface of the case 2. Only the front-back direction of case 2 is required.

That is, the FP formed on the rear surface of the case 2
C folded portion 2h, the left and right in the case 2, the vertical direction
In being adapted to the plate surface substantially orthogonal HPC11d positioned respectively, and the contact portion 113d substantially right angle to each other of the FPC folded portion tongue portion 3d which FPC2 conductive pattern folded is formed in 2h and HPC11d Are arranged.

A connector insertion hole 21a is formed at the side of the FPC folded portion 2h and opens at the rear surface of the case 2. The insertion hole 21a is formed between the rear side of the case 2 and the front side. (In the X direction in FIG. 8), a connector 7 to be described later is inserted.

As shown in FIG. 9, both ends of the short pin 7a assembled to the short pin holder 7b are formed in a substantially brush shape.
11a is in elastic contact with the conductive pattern of the tongue portion 3d, and the other end brush portion 711a 'is in elastic contact with the contact portion 113d of the HPC 11d.

In order to attach the above-mentioned connecting member 7, the tongue portion 3d on which the conductive pattern of the FPC 3 attached to the rear surface of the case 2 is formed is connected to the FPC folded portion 2 of the case 2.
h, so that the folded conductive pattern of the tongue portion 3d and the contact portion 113d of the HPC 11d are arranged substantially orthogonally.

Next, the connecting tool 7 is inserted into the connecting tool insertion hole 21a of the case 2 from the rear side to the front side of the case 2, and both end brush portions 711a and 711a of the short pin 7a.
11a 'is the conductive pattern of the tongue portion 3d and HPC1
1d so as to resiliently contact the contact portion 113d, and the attachment of the connecting member 7 allows F through the short pin 7a.
The tongue portion 3d of the PC 3 is interconnected with the contact portion 113d of the HPC 11d, and the H near the contact portion 113d is connected.
The PC 11d is connected to the rear surface of
Buckle 6c side, and the speedometer
1a is positioned with respect to case 2
2 is fixed .

As described above, in the present embodiment, the connecting and mounting direction of the connecting tool 7 is limited to the front and rear direction of the case 2 while the mounting position of the connecting tool 7 is set to the rear surface of the case 2 . In addition to the effects of the embodiment, the assembling workability of the instrument can be further improved.

FIG. 12 shows a modified example of the connector 7 of the third embodiment. The tip of the short pin holder 7b of the short pin holder 7b of the connector 7 inserted into the connector insertion hole 21a is shown in FIG. A pair of locking pieces 711b is formed on
11b engages with notches 114d formed on both sides of the contact portion 113d of the HPC 11d.

By doing so, the effect of the third embodiment is added.
In addition, the tip of the short pin holder 7b of the connector 7 is H
By holding the contact portion 113d of the PC 11d from both sides thereof, the short pin 7a is connected to the contact portion 113 of the HPC 11d.
It is possible to prevent the deformation of the HPC 11d due to elastic contact with the contact pin d, and to stabilize the contact pressure load on the contact portion 113d of the brush portion 711a 'of the short pin 7a,
The contact reliability of such a portion can be further improved.

[0051]

As described above, according to the first aspect of the present invention,
According to the vehicle display device of the present invention has, after the instrument has been positioned in the lateral and vertical directions with respect to the case, dial is Ri by the be attached to the front of the case, and the rear and looking back a total of device cases sandwiched between, further, opened in the case
Connector is inserted from outside the case into the connector insertion hole
Thus, the rigid printed wiring board disposed behind the inner machine and the flexible printed wiring board disposed on the rear surface of the case are electrically connected. Therefore, in the case of the instrument
Positioning in the left, right, up, and down directions, and taking back plate
Then, insert the connector into the connector insertion hole on the case.
The hard pre-positioner located behind the inner unit in the case.
Connection between printed circuit board and flexible printed circuit board
Simple and good workability, and electrical connectivity
Can be achieved well. In addition , the connection tool is hard
This rigid printed wiring is in direct contact with the printed wiring board.
The wiring board is connected to the back plate side and the rear
One of these, causing the instrument to
Position in the front-rear direction,
The instrument is fixed to the case in conjunction with the positioning of. Follow
Instrument in the left, right, up, down, and front and back directions of the case.
Reliable positioning, which allows for connection of the case
By inserting the connecting device into the hole,
Rigid printed circuit board and flexible printed circuit board
At the same time as the electrical connection with the board,
It can be securely fixed. Further, according to claim 2
According to the vehicle display device of the present invention , an instrument and a case are provided.
For the convex portion formed on the other side of the concave portion formed on one side,
The case is fitted by relative movement of the case in the front-rear direction.
To position the instrument in the horizontal and vertical directions.
Less positioning of the instrument relative to the case
The direction is limited only to the front-back direction of the case. Therefore,
Inserting the connector into the connector insertion hole from outside the case
With simple operation, the position of the instrument in the front-back direction of the remaining case
An arrangement has been made and hence the fixing of the instrument to the case
Can be achieved simply and reliably. Further
According to the vehicle display device of the present invention described in claim 3,
For example, insert the connector into the connector insertion hole from outside the case.
With the hard printed wiring board facing this connector insertion hole
Insert the connector into the gap between the
It is. Therefore, rigid printed wiring boards and flexible printed
Insert the connector with awareness of the position of the wiring board in the case
You do not need to use this rigid printed circuit board
Rigid printer that can achieve electrical connection with the printed circuit board
Securely connect the connector between the wiring board and the back of the case.
Into the printed circuit board and the flexible printed circuit board.
Can improve the reliability of electrical connection with the wiring board.
it can.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a first embodiment of a vehicle display device according to the present invention.

FIG. 2 is a longitudinal sectional view showing an assembling method of the first embodiment.

FIG. 3 is a perspective view of a connector used in the first embodiment.

FIG. 4 is a longitudinal sectional view showing a second embodiment of the vehicle display device according to the present invention.

FIG. 5 is an enlarged view of a main part of the second embodiment.

FIG. 6 is a view of a connector insertion hole portion of the second embodiment as viewed from a rear surface side of a case.

FIG. 7 is a perspective view of a connector used in the second embodiment.

FIG. 8 is a longitudinal sectional view showing a third embodiment of the vehicle display device according to the present invention.

FIG. 9 is an enlarged view of a main part of the third embodiment.

FIG. 10 is a sectional perspective view showing a main part of the third embodiment.

FIG. 11 is a view of the connection tool of the third embodiment as viewed from the direction A in FIG. 9;

FIG. 12 is a view showing a modification of the connection device of the third embodiment.
FIG.

FIG. 13 is an exploded perspective view of a conventional vehicle display device.

[Explanation of symbols]

1a Speedometer 11a Internal unit 11b Pointer 11c Dial 11d Hard printed circuit board (HPC) 113d Contact part of HPC 3 Flexible printed circuit board (FPC) 3d Velo portion 3e on which conductive pattern is formed Conductive pattern is formed No tongue part 2 Case 2h FPC folded back part 2g Positioning pin 21a Connector insertion hole 112d Positioning round hole 6 Look back 7 Connector 7a Short pin 7b Short pin holder 7c Base

Claims (3)

(57) [Scope of request for utility model registration] An internal unit and a power supply circuit for the internal unit are mounted.
Instrument with a hard printed circuit board
Through the front opening of the rigid printed circuit board side
Inside the case and look back at the opening of the case.
A plate is attached, and is disposed on the rear surface of the case.
From the flexible printed wiring board to the rigid printed wiring
In the display device for a vehicle that supplies power to the substrate operating said inside machine performs the positioning of the lateral and vertical directions of the instrument with respect to the case, see clamping the instrument between the rear and the dial of the case, The rigid printed circuit board and the flexible printed circuit board are electrically connected to each other by a connector inserted from outside the case into a connector insertion hole opened in the case, and the connector is connected to the rigid printed circuit board. Arrangement
Direct contact with the printed circuit board
By the connection tool, the dial plate side and the rear surface of the case
Side of the instrument by pressing on one of the sides
A display device for a vehicle, characterized in that the instrument is positioned in the front-rear direction and the instrument is fixed to the case. 2. The display device for a vehicle according to claim 1, wherein positioning of the instrument in the left-right and up-down directions with respect to the case is performed by forming a concave portion formed in one of the instrument and the case into a convex portion formed in the other. in contrast, the front and back of the case
A display device for a vehicle, wherein the display device is fitted while being relatively moved in a direction . 3. The display device for a vehicle according to claim 1, wherein the hard printed wiring board is mounted on a rear surface of the case with the instrument being interposed between a rear portion of the case and the facing. The connector insertion hole is formed at a side wall portion facing the space between the hard printed wiring board and the rear surface of the case at a side wall portion of the case. The display device for a vehicle, wherein the connection tool is inserted into a space between the hard printed wiring board and a rear surface of the case from an insertion hole.