JPH0739882U - Liquid crystal display device for pachinko machine - Google Patents

Abstract

(57) [Abstract] [Purpose] To be able to perform the brightness adjustment operation of the liquid crystal display device mounted on the game board of the pachinko machine from the front side of the game board. [Structure] Liquid crystal display device 5 attached to the back of the game board 1
The control knob 10 of the variable resistor 12 for adjusting the brightness is provided on one surface of the control board 10 in an upright shape facing forward and backward.
While providing b, an operation hole 21 is opened in a position facing the variable resistor 12 in the decorative frame member 4 attached to the window opened in the game board 1, and a driver is passed through this operation hole 21 from the front side of the game board. A liquid crystal display device for a pachinko machine, which allows the adjustment knob 12b to be directly operated.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a liquid crystal display device mounted on a game board of a pachinko machine.

[0002]

[Prior art]

 2. Description of the Related Art A pachinko machine having a liquid crystal display device configured to display a plurality of numbers or patterns on a display unit and to form a game by combining the numbers has been conventionally known. In this liquid crystal display device, the case body of the unit is attached from the back to the window opened in the center of the game board so that the front display can be seen from the front through the window. It was necessary to adjust the brightness of the display unit to a proper brightness, and in some cases, to adjust it after mounting it on the game board. In general, this brightness adjustment work is performed by an operator rotating the adjusting knob of the variable resistor with a tool such as a screwdriver while monitoring the display section facing the front of the game board.

[0003]

[Problems to be solved by the device]

 However, adjustment work from the front of this game board is convenient for assembly work before the transparent plate and other decorative parts are attached to the window facing the display, that is, adjustment work in the factory, but it is completed After that, especially when the assembly is completed in a state that can be used in the pachinko hall, the transparent board is fitted into the window of the game board or the decorative parts are attached and the front surface of the control board is blocked. When working, these must be removed or the case body of the unit must be removed for adjustment, which is extremely troublesome work. In consideration of these points, the present invention enables the brightness adjustment work while looking through the display section from the front when assembling in a factory as before, while removing the transparent plate and adjusting the brightness from the game board when adjusting after assembling. It has been improved so that adjustment work can be performed from the front side of the game board in the mounted state without removing the unit. In other words, this idea is for adjusting knobs of the variable resistor provided on the control board from the front side and the rear side of the control board incorporated in the inside of the unit with the unit of the liquid crystal display device mounted on the back side of the game board. It is intended to provide a liquid crystal display device that can be operated and installed in the state of use and then can be adjusted not only from the rear of the unit but also directly from the front side of the game board.

[0004]

[Means for solving problems]

 In order to achieve the above-mentioned object, the present invention is provided with a knob for adjusting a variable resistor for adjusting the brightness of a liquid crystal display unit on one surface of a control board which is erected with its surface facing forward. While making it possible to directly perform the adjustment work with a tool appropriately, a through hole penetrating back and forth is opened in the control board corresponding to the mounting position of the adjustment knob, while the front side of the game board window facing the liquid crystal display section An operation hole is opened at a position corresponding to the adjustment knob for the decorative frame member to be mounted, and a tool facing from the front side of the game board is engaged with the adjustment knob through the operation hole to enable adjustment operation. An object of the present invention is to provide a liquid crystal display device for a pachinko machine, which is characterized by the above. The present invention also provides a liquid crystal display device in a pachinko machine, which is characterized in that a guide cylinder for guiding an operation tool toward an adjustment knob of a control board is provided at a rear opening of the operation hole. To do.

[0005]

[Work]

 Therefore, according to the device of the present invention, the brightness of the liquid crystal display section can be freely adjusted by directly rotating the adjusting knob by allowing the tool such as a driver to face through the operation hole from the front side of the game board from the above-mentioned configuration. You will be able to do it. Next, the present invention will be described in detail based on the illustrated implementation, and the features thereof will be clarified.

[0006]

【Example】

 FIG. 1 is a front view showing a usage state in which a liquid crystal display device according to the present invention is mounted on a game board of a pachinko machine, and FIG. 2 is an enlarged side view of the usage state with a partial cross section, and reference numeral 1 in the drawing is A game board of a pachinko machine, 2 is a winning opening housed in a window 3 opened in the center of the game board, 4 is a decorative frame member mounted so as to surround the periphery of this window, and 5 is visible through the window It is a liquid crystal display device equipped in.

The liquid crystal display device 5 in this embodiment is configured such that a case body formed of a metal plate in a box shape is sandwiched by front and rear cases 6 and 7 and wrapped in the body, and a window 8 provided in the front case 6 is provided. The liquid crystal display portion 9 is faced with a transparent plate 8a interposed therebetween. Then, the control board 10 is sandwiched between the abutting edges of both cases 6 and 7 so as to be fixed upright in the middle of the case. The control board 10 has parts 11 such as memory elements attached to one surface on the rear surface side, and terminals extending from these are penetrated through the board to be pulled out to the front surface side. Similarly, the liquid crystal display is provided on the rear surface side. A variable resistor 12 for adjusting the brightness of the section 9 is attached.

The variable resistor 12 is provided on the edge of the substrate 10 projecting upward from the main bodies of the front and rear cases 6 and 7, and is wrapped by the portions 6a and 7a projecting from each case. As shown in FIG. 4, the variable resistor 12 is mounted in a floating state by implanting the terminal 12a in the base plate 10, and the through hole 13 is opened in the facing substrate to directly adjust from the rear surface side. The knob 12b is rotatably operated and is also rotatably operated from the front side through the through hole 13. In the figure, 14 and 15 are through holes formed in the portions 6a and 7a for inserting a tool for rotating the adjusting knob 12b, for example, a driver 16. The driver 16 uses a non-conductive driver made of ceramic here.

In the figure, 17 is a synthetic resin set plate fixed to the back surface of the game board 1, and 18 is a cover for covering the liquid crystal display device 5 from behind. The set plate 17 integrally has a passage 19 for guiding the winning balls that have jumped into the winning opening 2, and also various kinds of parts such as the liquid crystal display device 5 and the cover 18 are fixedly attached in fixed positions. Therefore, the liquid crystal display device 5 is fixed to the mounting boss 20 which is vertically provided on the back surface of the liquid crystal display device 5 by screws so that the display portion 9 faces the window 3.

By the way, the decorative frame member 4 has a frame-shaped portion 4a that fits into the window 3 from the front side of the game board 1 and a decorative frame portion 4b on the upper front surface of the frame portion 4a. The prize hole 2 is integrally provided at the center of the decorative frame portion 4b. An operation hole 21 is formed in the decorative frame portion 4b so as to face the variable resistor 12 provided on the control board 10 of the liquid crystal display device 5.

The operation hole 21 is located in front of the variable resistor 12, and penetrates the front plate of the decorative frame portion 4b and also penetrates the rear plate 22 which opposes the front hole to the front and back. The rear plate 22 is integrally provided with a guide cylinder 23 having a cylindrical shape facing rearward, and the tip of this cylinder is penetrated through a through hole 24 formed in the setting plate 17.

The operation hole 21 is a guide means for guiding the driver 16 to the variable resistor 12 from the front side of the game board, and the driver 16 inserted in the operation hole 21 is the guide cylinder 23. Is guided to the rear by way of the guide and is fed straight into the variable resistor 12 through the through hole 14 of the case 6a.

The present invention is configured as described above, and when the brightness of the display unit 9 is adjusted at the stage when the liquid crystal display device 5 is assembled to the game board in the factory, it is made of ceramic through the window 3 from the front. The driver 16 can be inserted and passed through the through hole 14 formed in the portion 6a, and further engaged with the adjusting knob 12b through the through hole 13 formed in the substrate 10, so that the adjusting operation can be performed while looking at the display unit 9 from the front. Also, after completing the assembly and installing it on the pachinko hall, adjust the screwdriver 16 from the rear side of the game board through the through hole 25 of the cover 18 and the through hole 15 of the case 7a and attach it to the back surface of the control board 10. The knob 12b can be directly engaged with the knob 12b to be rotated and adjusted, and at the same time, in the present invention, an operation hole 2 penetrating rearward into the decorative frame member 4 mounted on the front surface of the game board 1. 1 is opened, and the direct contact screwdriver 16 can be inserted into the adjustment knob 12b and engaged therewith, so that even when all kinds of parts are installed on the front surface of the game board and completed, adjustment operation can be performed from the front surface side. Become.

[0014]

[Effect of device]

 As described above in detail with reference to the embodiments, the present invention allows the brightness adjustment knobs in the liquid crystal display device to be operated from both the front and rear sides, while it can also be operated from the front side of the decorative frame member. There is an advantage that the brightness can be easily adjusted from the front of the gaming board in the mounted state without opening the window of the board and removing the liquid crystal display device from the gaming board. In particular, it is not possible to remove parts or remove the device because it is not performed by skilled workers in the pachinko hall, but after opening the glass frame and exposing the game board. Since there is no need for special skill to perform the operation of inserting and operating the driver through the operation hole of the decorative frame member, there is an advantage that it can be easily performed. Further, in the present invention, since the guide cylinder is provided following the operation hole, the inserted tool can be delivered to the variable resistor quickly and safely, so that the adjustment work can be performed safely and properly. There is an advantage that can be.

[Brief description of drawings]

FIG. 1 is a front view showing a usage state in which a liquid crystal display device according to the present invention is mounted on a game board of a pachinko machine.

FIG. 2 is an enlarged side view of a main portion in a partially used state in use.

FIG. 3 is a partially enlarged perspective view of a liquid crystal display device.

FIG. 4 is an enlarged vertical cross-sectional side view illustrating a positional relationship of main parts.

FIG. 5 is a partially enlarged perspective view of a main part.

FIG. 6 is a rear view illustrating a mounting state of the liquid crystal display device.

[Explanation of symbols]

1 Gaming Board 4 Decorative Frame Member 5 Liquid Crystal Display Device 6, 7 Front and Back Cases Constituting the Main Body of Liquid Crystal Display Device 9 Liquid Crystal Display Unit 10 Control Board 12 Variable Resistor 12a Adjustment Grip 13 Through Hole 21 Operation Hole 23 Guide Tube

Claims (2)

[Scope of utility model registration request] 1. A liquid crystal display device mounted on a game board, wherein a decorative frame member is mounted on a front surface side surrounding a window to be opened on the game board, and a desired liquid crystal display portion is displayed from behind the window. The control board housed in a standing state inside is provided with an adjusting knob of a variable resistor for adjusting the brightness of the liquid crystal display section, and the decorative frame member facing the front surface of the adjusting knob is penetrated in the front and rear direction. A liquid crystal display device in a pachinko machine, wherein an operation hole is opened, and an operation tool is inserted from the front of the decorative frame member through the operation hole so that the adjusting knob can be rotated. 2. The liquid crystal in a pachinko machine according to claim 1, wherein a guide cylinder for guiding an operation tool toward an adjustment knob of a control board is provided at a rear opening of the operation hole. Display device.