JP3038664B2 - Liquid crystal display - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display for displaying the speed of a motorcycle or a motor boat or the number of revolutions of an engine.

[0002]

2. Description of the Related Art Conventionally, a liquid crystal display device mounted on a motorcycle has a structure in which a vehicle speed and an engine speed are displayed on a liquid crystal display unit, and the liquid crystal display unit is housed in a meter case in front of a steering wheel. The meter case also contains a control unit for controlling the liquid crystal display unit in addition to the liquid crystal display unit, and is connected to a power cord from a battery, a signal code from a speed sensor or an engine speed sensor, and the like. Was.

[0003]

However, when a liquid crystal display device in which a liquid crystal display unit and a control unit are housed in one meter case as described above is used for a motorcycle, a main switch cord or the like is provided around the steering wheel. ,
Since the headlights and turn signal cords are also wired, more cords pass through the handle,
The assemblability and maintainability are reduced. In addition, the LCD display unit
LCD unit is damaged even if foreign matter collides with unit
The LCD unit.
You must also make sure that the water is not

[0004]

A liquid crystal display device according to the present invention includes a display unit having a liquid crystal display unit built therein, and a control unit having a control unit for the liquid crystal display unit built therein. A liquid crystal display device , each housed in a separate housing and connected by a connection cord ,
The display section should not be combined with the lower case and upper case.
The display unit stands upright in the center of the housing
With the lower case facing upward
It is a rectangular tube with a bottom that opens and is long in the left and right width directions.
Form and extend in the left and right width direction on the bottom inner wall of this lower case
Grooves on the bottom and the left and right sides.
Forming a concave curved surface extending in a U-shape along these surfaces,
Open the side case downward with transparent synthetic resin
It is left like a box lid and corresponds to the lower case.
A large part of the display unit is extended in the right width direction.
It is formed in a shape that can be stored, and is attached to the upper inner wall of this upper case.
A groove facing the groove of the lower case extends in the left-right width direction.
As well as on both sides
Forming a concave curved surface extending in an inverted U-shape along the surface of
The ridge formed on the opening edge of the side case over the entire circumference
Fit into the case and fix it, and
Hold the upper and lower edges of the ray unit in front of the upper and lower cases.
Fitting the lower case and the upper case
The display unit is clamped between these two cases
To the concave curved surfaces of both cases.
Attach the mounting bracket formed along the outer circumference of the base.
The mounting plate provided at the lower end of the mounting bracket.
To the display unit via the mounting bracket.
It was made to support .

[0005]

The cord wired around the handle in the liquid crystal display device is a connection cord 1 for connecting the display unit and the control unit.
Only books. Display having a liquid crystal display unit
Formed between the unit and the front and rear of the case
The space blocks impact transmission, and the mounting bracket is
To protect. In addition, the protrusion of the lower case and the upper case
The fitting portion prevents water from entering.

[0006]

FIG. 1 to FIG. 13 show an embodiment of the present invention.
This will be described in detail. 1 is a side view of a motorcycle equipped with a liquid crystal display device according to the present invention, FIG. 2 is a front view showing a display unit of the liquid crystal display device according to the present invention, and FIG. 3 is a line III-III of an upper case in FIG. FIG. 4 is a sectional view taken along line IV-IV in FIG. FIG. 5 is a rear view of the display unit of the liquid crystal display device according to the present invention, and FIG. 6 is a side view of the same, and FIGS. 5 and 6 show a state where the display unit is mounted on the handle unit by mounting brackets. FIG. 7 is a plan view showing a control unit of the liquid crystal display device according to the present invention, and FIG. 8 is a side view showing a part of the control unit in a cutaway manner. The broken part in FIG. 8 corresponds to VIII- in FIG.
The VIII line cross section is shown. FIG. 9 is a front view of a display unit used in the liquid crystal display device according to the present invention, FIG. 10 is a plan view of the display unit, and FIG. 11 is a rear view of the display unit. FIG. 12 is a side view showing a part of the display unit in a cutaway manner. The broken part in the figure shows a cross section taken along line XII-XII in FIG. FIG. 13 is an enlarged sectional view showing a part of the display unit. In these figures, 1 is an off-road motorcycle, 2 is a frame of the motorcycle 1, 3 is an engine, 4 is a front wheel steerably connected to the frame 2 via a front fork 5, 6 is a rear arm. 7 is a rear wheel swingably supported by the frame 2 through the rear wheel 7. Reference numeral 8 denotes a handle, 9 denotes a fuel tank, and 10 denotes a seat. In addition, 11 is a cowling of a structure which covers a front part of a vehicle body.

Reference numeral 12 denotes a liquid crystal display device according to the present invention. The liquid crystal display device 12 is provided with a display portion 13 provided in front of the handlebar 8 and a lower portion of the seat 10. And a control unit 15 connected through the control unit 15. The display unit 12 incorporates a display unit described later, and is supported by the cowling 11 via a mounting bracket described later. The control unit 15
Is connected via a power cord 17 to a battery 16 positioned below the seat, and a sensor cord 19 is connected to a sensor 18 for detecting the rotation speed of the output shaft of the engine 3.
Connected through. Further, this control unit 15
Built-in control unit with microcomputer (not shown)
The travel distance and the vehicle speed are calculated from the output value of the sensor 18 and displayed on the display unit of the display unit 13.

As shown in FIGS. 2 to 6, the display unit 13 is configured so that the display unit 23 is held upright in a vertically divided resin case including a lower case 21 and an upper case 22. Have been. The lower case 21 is made of an opaque synthetic resin, and is integrally formed in a rectangular tube with a bottom opening upward. A groove 21a for fitting and supporting the lower outer edge of the display unit 23 is provided on the inner wall of the lower case 21, as shown in FIG. The display unit 23 is supported upright on the lower case 21 by fitting into the groove 21a. In addition, a concave curved surface 21b is provided on the bottom surface and the left and right side surfaces of the lower case 21 so as to engage with mounting brackets described later.

The upper case 22 is integrally formed in the shape of a box lid that opens downward with a transparent synthetic resin, and the lower opening is fitted into the opening of the lower case 21 so that the lower case 21 21 is closed. The outer surface of the upper case 22 is painted black in this embodiment. The coating range is the left and right side walls, the upper wall, the rear wall, and a part of the front surface of the upper case 22, and portions other than the portion corresponding to the display surface of the display unit 23 housed in the upper case 22 are coated. Have been. The edge of the painted portion on the front surface of the upper case is indicated by a broken line A in FIG. Coupling structure of the lower case 21 and upper case 22 is provided with a protrusion 21c that are about half the thickness of that portion to the opening edge of the lower case 21 in series over the entire circumference opening, the upper and the protrusion 21c It is configured to be fitted into the case 22 and fixed with an adhesive. This makes it difficult for water to enter from the mating surfaces of the upper and lower cases.
The inner wall of the upper case 22 also has grooves 2 for fitting and supporting the outer edge of the display unit 23 as shown in FIG.
2a is provided. In this embodiment, the grooves 22a are provided in series on the left and right side walls and the upper wall of the upper case 22. That is, by mounting the upper case 22 on the lower case 21, the outer edge of the display unit 23 supported on the lower case 21 in an upright state is fitted into the groove 22 a and fixed in the case. become. Further, a concave curved surface 22b is provided on both the left and right side surfaces and the upper surface of the upper case 22, with which a mounting bracket described later is engaged.

The display unit 23 is shown in FIGS.
As shown in FIG. 13, the substrate 24 supported by the upper and lower cases 21 and 22 and the back surface of the liquid crystal display unit 25
The liquid crystal display unit is composed of a liquid crystal display unit assembly and the like in which the L unit 26 is closely attached, and is assembled by connecting the liquid crystal display unit 25 to the substrate 24 via the connector 27.
The liquid crystal display unit assembly includes a liquid crystal display unit 25.
The EL unit 26 is attached to a sheet metal holding plate 28 and a holder 29.
And are assembled in close contact with each other. That is, to assemble the liquid crystal display unit assembly, the frame-shaped sheet metal holding plate 28 surrounding the outer peripheral portion of the liquid crystal display unit 25 is brought into contact with the display surface side of the liquid crystal display unit 25, and
Holder 2 on the back side (substrate 24 side) of EL unit 26
9 is positioned, and the locking claw 29a of the holder 29 is locked to the holding plate 28 so that the EL unit 26 is in contact with the back surface of the liquid crystal display unit 25. A total of six nail pieces 29a of the holder 29 are provided, two at the top and two at the left and right. A cushion rubber 30 is interposed between the surface of the liquid crystal display unit 25 and the holding plate 28 made of sheet metal.

The liquid crystal display unit assembly assembled as described above is mounted on the substrate 24 such that the holder 29 located on the back side of the EL unit 26 is in contact with the surface of the substrate 24. In order to fix the liquid crystal display unit assembly to the substrate 24, a locking piece 28a protruding from the side of the sheet metal holding plate 28 is passed through the through hole 24a of the substrate 24, and as shown in FIG. Bend it on the back side of. In this case, the electrode portion 25a provided below the liquid crystal display unit 25 is electrically connected to the electrode of the substrate 24 via the connector 27. As shown in FIG. 9, a plurality of electrodes 25b are juxtaposed in the electrode section 25a.
The connector 27 is formed of rubber, and has a conductive material embedded therein so as to conduct only in the thickness direction of the electrode portion 25a. In FIG. 9, reference numeral 26a denotes an electrode of the EL unit 26. The electrode 26a protrudes from the side of the EL unit 26 in the lateral direction. 2
4 is connected by soldering. By directing the electrodes 26a of the EL unit 26 in directions different from the electrode portions 25a of the liquid crystal display unit 25 by 90 degrees as described above, it is possible to prevent the circuits from being concentrated on the same side of the substrate 24.

Reference numeral 31 denotes a dial. In this embodiment, the dial 31 is formed by molding a black-colored synthetic resin sheet into a square shape in a front view. Affixed to the surface. In addition, this dial 3
The width of the opening at the center of 1 is such that the entire display surface of the liquid crystal display unit 25 is exposed through the upper case. 3
Reference numeral 2 denotes a translucent portion provided on the dial 31. The translucent portion 32 is formed in a character shape so as to display a trademark or the like. By providing the translucent portion 32 on the opaque dial 31 in this way, when the EL unit 26 is turned on, light leaks from the translucent portion 32 and the character indicated by the translucent portion 32 is displayed brightly. .

Reference numeral 33 denotes a drain hole. The drain hole 33 is vertically formed so as to penetrate the bottom of the lower case 21. The connection cord 14 connecting the display unit 13 and the control unit 15 is connected to the lower case 2 in parallel with the drain hole 33.
1 is connected to the substrate 24 through the bottom. In addition,
Reference numeral 34 in FIG. 2 indicates characters displayed on the display surface of the liquid crystal display unit 25.

Reference numeral 35 denotes the display unit 1 configured as described above.
3 is a mounting bracket for fixing the 3 to the cowling 11. Cowling 11 constitutes a support according to the present invention.
You. As shown in FIGS. 5 and 6, the mounting bracket 35 includes a round bar 35a for supporting the display unit 13 and a round bar 35a.
and a mounting plate 35b provided at both ends of the a. The round bar 35a is bent along the outer peripheral portion of the display unit 13, and the concave curved surface 2 of the lower case 21 is formed.
1b and the concave curved surface 22b of the upper case 22 so as to hold the display unit 13.

As shown in FIGS. 7 and 8, the control section 15 includes a lower case 37 in which a mounting plate 36 is integrally formed.
And a lid 38 fixed on the lower case 37, a board 39 housed and fixed in the lower case 37, and the like. Although a control unit having a microcomputer is mounted on the board 39, it is omitted in FIG.

Therefore, in the liquid crystal display device 12 configured such that the display unit 13 is positioned on the handle and the control unit 15 is positioned below the seat, the power cord 17 and the sensor code 19 are wired below the seat. The only cable that is wired around the handle 8 in the liquid crystal display device 12 is the connection cord 14 that connects the display unit 13 and the control unit 15. In addition, the case of the display unit 13 (lower case
Grooves 21a and 22a are formed in the upper case 22 and the upper case 22).
The upper and lower ends of the display unit 23 are inserted into these grooves.
The display unit 23 is connected to the case by fitting the edges.
Since it is fixed in the upright position in the center,
Empty between the ray unit 23 and the front and rear of the case
When a gap is formed and another object collides with the display unit 13,
Impact from the case to both front and back of display unit 23
To be transmitted to the user. Moreover,
The spray unit 23 has upper and lower edges and grooves 21a, 22a.
Fixed in the case without moving by fitting
The display unit 23 is fixed to the case
No screws are required, making assembly easy.
You. Furthermore, concave curved surfaces 21b, 22 on the outer peripheral portion of the case
The display device 12 is connected via the mounting bracket 35 engaged with the display device b.
Since the case is supported by the support, the outer periphery of the case is
It can be protected by the attachment 35. Even better
In addition, the opening edge of the lower case 21
The protrusion 21c formed in the upper case 22 is fitted into the upper case 22.
Because it is fixed, it is difficult for water to enter the case.

Further, as shown in this embodiment, when fixing the liquid crystal display unit assembly to the substrate 24 by bending the locking piece 28a of the sheet metal holding plate 28 on the back side of the substrate 24, the fastening screw Since it is possible to assemble without using any parts, it is easy to assemble and it is economical. Further, the display unit 23 is connected to the lower case 21 and the upper case 22.
If the substrate 24 is fitted into the grooves 21a and 22a to fix the display unit inside, the display unit 23 can be fixed in the case without using fixing screws and the like, and assembly is easy. Further, when the fixing screw is not required, the side of the display unit 23 can be made closer to the inner surface of the case, so that the size of the display unit 13 can be reduced.

In the above-described embodiment, an example is shown in which the liquid crystal display device 12 of the present invention is mounted on the motorcycle 1. However, the liquid crystal display device 12 of the present invention can be mounted on a motor boat as shown in FIG. it can. FIG. 14 is a sectional view showing another embodiment in which the liquid crystal display device according to the present invention is mounted on a motor boat. In this figure, the same or equivalent members as those described in FIGS. 1 to 13 are denoted by the same reference numerals, and detailed description is omitted. In FIG. 14, 4
Reference numeral 1 denotes a motor boat, and this motor boat 41 is provided with two cabs 42 vertically. 43 is a handle provided on each cab, and 44 is a seat similarly. The display unit 13 of the liquid crystal display device 12 is installed on each of the cabs 42. These display units 13 are connected to the control unit 15 installed on the lower driver's cab 42 via the connection cord 14, and are set up on the meter panel 45 by mounting hardware (not shown). This meter
The panel 45 constitutes the support according to the present invention. What
The control unit 15 is disposed inside the meter panel 45 of the cab 42. Thus, the motor boat 41
Even if the liquid crystal display device 12 is mounted on the device, the same effect as that of the above embodiment can be obtained.

[0019]

[0020]

As described above, the liquid crystal display device according to the present invention includes a display unit containing a liquid crystal display unit and a control unit containing a control unit for a liquid crystal display unit. And a liquid crystal display device , each housed in a separate housing and connected by a control cord.
The display unit by combining the lower case and the upper case.
The liquid crystal display unit is located in the center of the
Structure to store display units in a standing position
And the lower case has a bottomed angle opening upward.
It has a tubular shape and is formed in a shape that is long in the left and right width directions.
Form a groove extending in the left-right width direction on the bottom inner wall of the side case
Along with these planes on the bottom and both sides
A concave curved surface extending in a U shape is formed, and the upper case is transparent.
Box lid that opens downward with clear synthetic resin
Length in the left and right width direction to correspond to the lower case
Shape that can accommodate most of the display unit
Formed on the upper inner wall of the upper case.
Formed so as to extend in the left-right width direction.
Along with the left and right sides and the top surface
A concave curved surface extending in a U-shape is formed, and an opening of the lower case is formed.
Insert a ridge formed on the entire edge into the upper case
And fix the display unit.
The upper edge and the lower edge are fitted in the grooves of the upper and lower cases.
The lower case and the upper case to the display unit.
The knit is joined so that it is clamped in both cases.
And the outer peripheral portions of both cases
Engage the mounting bracket formed along
Fix the mounting plate provided at the lower end of the
The display unit was supported by the support via the mounting bracket of
Therefore, only one connection cord that connects the display unit and the control unit is wired around the handle in the liquid crystal display device. Therefore, for example, in a motorcycle
By disposing only the display unit on the handle unit, the number of cords wired around the handle can be reduced, and the assemblability and maintainability can be improved. One control unit
It becomes easy to connect a plurality of display units. In addition,
Space between play unit and front and rear of case
Is formed, so that when another object collides with the display unit,
Den impact from the case before and after both sides of the display units
Can be prevented from reaching the outer periphery of the case.
Can be protected by mounting hardware. Accordingly
The display is exposed to the outside of the vehicle, etc.
To prevent the display unit from being damaged.
Can be passed. And the display unit is up and down
Inside the case without moving due to the fitting of both edges and the groove
The display unit is fixed to the case.
No screws are required for mounting, making assembly easy.
it can. In addition, the entire periphery of the opening is
Insert the projecting ridge into the upper case and secure it.
Since it is worn, it is difficult for water to enter the case . Furthermore, since the control unit can be arranged under the seat of the motorcycle or in the instrument panel of the motor boat, it is difficult for water to splash,
The waterproof structure of the control unit itself can be simplified.
You.

[Brief description of the drawings]

FIG. 1 is a side view of a motorcycle equipped with a liquid crystal display device according to the present invention.

FIG. 2 is a front view showing a display unit of the liquid crystal display device according to the present invention.

FIG. 3 is a sectional view of the upper case taken along the line III-III in FIG. 2;

FIG. 4 is a sectional view taken along line IV-IV in FIG. 2;

FIG. 5 is a rear view of a display unit of the liquid crystal display device according to the present invention.

FIG. 6 is a side view of a display unit of the liquid crystal display device according to the present invention.

FIG. 7 is a plan view showing a control unit of the liquid crystal display device according to the present invention.

FIG. 8 is a side view showing a part of a control unit of the liquid crystal display device according to the present invention in a cutaway manner.

FIG. 9 is a front view of a display unit used in the liquid crystal display device according to the present invention.

FIG. 10 is a plan view of a display unit used in the liquid crystal display device according to the present invention.

FIG. 11 is a rear view of a display unit used in the liquid crystal display device according to the present invention.

FIG. 12 is a partially cutaway side view showing a display unit used in the liquid crystal display device according to the present invention.

FIG. 13 is an enlarged sectional view showing a part of a display unit used in the liquid crystal display device according to the present invention.

FIG. 14 is a sectional view showing another embodiment in which the liquid crystal display device according to the present invention is mounted on a motor boat.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 12 Liquid crystal display device 13 Display part 14 Connection code 15 Control part 21 Lower case 22 Upper case 23 Display unit 25 Liquid crystal display unit 37 Lower case 38 Lid

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) G02F 1/1333 B60K 35/00 B62J 39/00 G02F 1/13 505 H05K 5/02

Claims (1)

(57) [Claims] A display unit having a built-in liquid crystal display unit;
And a control unit with a built-in liquid crystal display unit for a control unit, and the display unit and the control unit, a liquid crystal display device der connected by a respective housing to the control code in a separate housing
Thus, the display unit is combined with the lower case and the upper case.
The liquid crystal display unit is placed in the center of the housing
Storage unit with the display unit
And the bottom case has a bottom with an opening upward.
It is formed in the shape of a rectangular tube and long in the left and right width directions.
Form a groove extending in the left-right width direction on the bottom inner wall of the lower case.
Along the bottom and both sides
To form a concave curved surface extending in a U-shape, the upper case,
Box lid that opens downward with transparent synthetic resin
In the left and right width direction to correspond to the lower case
Long form that can accommodate most of the display unit
And the lower case is attached to the upper inner wall of the upper case.
The groove facing the groove of the
Along these sides on both sides
A concave curved surface extending in an inverted U shape is formed, and the lower case is opened.
A ridge formed on the rim over the entire circumference fits in the upper case
And fix the display unit.
The upper and lower edges of the
The lower case and the upper case to the display
The unit is connected so that it is clamped by these two cases.
And the outer peripheral portions of both cases
Engage the mounting bracket formed along
Fix the mounting plate provided at the lower end of the
The liquid crystal display device, wherein the display unit is supported on a support via the mounting bracket of (1) .