JP2010181478A - Mounting structure of display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an attaching structure of display device that performs a removal operation smoothly and easily. <P>SOLUTION: In the attaching structure for attaching a substantially thin box-shaped body 51 of an LCD display element 50 to a display chamber 5 disposed on a casing 10 of an instrument panel apparatus by inserting the body 51 from one edge side of the body and rotating the body, a guide groove 61 and a guide pin which are a rotation guide means 6 serving as a guide when the body 51 is inserted and detached to and from the display chamber 5 are disposed between sidewall surfaces 5C, 5D and both side surfaces 51E, 51F of the body 51 facing the sidewall surfaces 5C, 5D among the sidewall surfaces 5C, 5D and outer wall surface 51E of the casing 10 side surrounding the circumference of the display chamber 5. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a mounting structure for a display device having a substantially thin box-shaped main body, which is installed in a housing portion of an instrument panel for vehicles or the like.

  As a display device of this type, a holding body made of a synthetic resin case is disposed between a display element made of a liquid crystal panel and a printed circuit board provided behind the display element to hold the display element, and display It is known that a rubber connector that connects the element and the printed board is interposed between the element and the printed board, and the display element is pressed and fixed to the circuit board together with the holding body through a metal holding member.

  However, the structure that hooks and holds the restraining member is certainly advantageous in terms of assembly, but for example, the thermal effect of a light source provided separately to illuminate the display element, or the thermal expansion of each part accompanying a cooling cycle Due to misalignment, deformation, etc. caused by differences in coefficients, etc., the locking portion locked to the printed circuit board may come off, leaving anxiety in terms of fixing reliability.

  Therefore, for example, a display device described in Patent Document 1 has been proposed as a display device with high mounting reliability that prevents the locking portion provided on the holding member from coming off. That is, as shown in FIG. 9, the display device includes a liquid crystal panel (display element) 100, a printed circuit board 200 provided behind the liquid crystal panel 100, and a liquid crystal panel 100 provided in front of the printed circuit board 200. A holding body 101 for holding, an extension portion 102 extending to the printed circuit board 200 side, and a locking portion 103 provided on the distal end side of the extension portion 102. The locking portion 103 is provided on the printed circuit board 200. A holding member 104 for fixing the liquid crystal panel 100 on the printed circuit board 200 via the holding body 101 by being inserted through the hole 201 and locked to the locked portion 202 is provided.

  Further, in this display device, the extension portion 102 itself is positioned by contacting the extension portion 102 of the holding member 104 with the wall portion 110 (arbitrary member), and the locking portion 103 and the locked portion 202 A protruding piece (regulating means) 105 for preventing the disengagement is provided.

JP 2001-215895 A

  However, in the display device as described above, the protruding piece (restricting means) 105 is inserted into the narrow gap between the liquid crystal panel 100 and the wall portion 110 (arbitrary member), and the protruding piece (restricting means) 105. Since the earlier locking portion 103 must be locked through the hole 201 of the printed board 200 in the narrow gap between the liquid crystal panel 100 and the wall portion 110 (arbitrary member), the assembly The attaching process is very troublesome.

  In addition, in such a display device with a complicated structure, not only the mounting operation of the display device during assembly is troublesome, but also the work of removing the display device required when the display device fails or the like is troublesome. It is.

  The present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide a display device mounting structure that can perform attachment / detachment work smoothly and easily.

In order to achieve the above-described object, the display device mounting structure according to the present invention is characterized by the following (1) to (3).
(1) A display device mounting structure in which a display device main body is inserted into a display chamber provided in a housing of an instrument panel device while being rotated from a distal end surface.
The display chamber is disposed between both side surfaces located on both sides of the front end surface of the main body and both side wall surfaces facing the both side surfaces of the main body among the wall surfaces surrounding the display chamber. Rotation guide means to be a guide when inserting and removing
Fixing means for fixing the main body attached to the display chamber to the display chamber;
Be provided.
(2) In the display device mounting structure described in (1),
The rotation guide means includes an inclined guide groove formed on either one of the both side surfaces of the main body or the both side wall surfaces of the display chamber, and the other of the both side surfaces of the main body or the both side wall surfaces of the display chamber. A guide pin formed to engage with the guide groove,
thing.
(3) In the display device mounting structure described in (1),
The fixing means is formed on either the back surface of the main body opposite to the front end surface or a part of the housing located near the back surface when the main body is accommodated in the display chamber. A claw and a hole engaged with the claw formed on the other side of the casing side located near the back surface of the main body or in the vicinity of the back surface,
thing.

According to the mounting structure of the display device having the configuration of (1) above, it is provided with a rotation guide means that serves as a guide when the main body of the display device is inserted into and removed from the display chamber. Since the main body of the display device can be attached and detached by rotating and sliding the main body of the display device, the attaching and detaching work can be performed smoothly and easily. In addition, since it has fixing means to fix the main body of the display device attached to the display chamber to the housing, if it is temporarily fixed with this fixing means until the main fixing with screws etc., the main body of the display device Even if it is turned upside down, the main body is not dropped from the housing, and various subsequent operations can be easily and reliably performed.
According to the mounting structure of the display device having the configuration (2), the guide means has a guide groove and a guide pin that engages with the guide groove. And easily.
According to the mounting structure of the display device having the configuration of (3) above, the fixing means is configured by the claw and the hole, so that it is simple and can reliably remove the display device body from the housing. Can be prevented.

  According to the mounting structure of the display device of the present invention, the housing side facing both side surfaces on the main body side among the both side surfaces located on both sides of the front end surface on the main body side and the wall surface surrounding the display chamber on the housing side. Rotation guide means serving as a guide for inserting / removing the main body into / from the display chamber is provided between both side walls of the display, and the main body on the display device side is rotated with respect to the display chamber by the guide by the rotation guide means. By simply moving and moving, the insertion / removal operation of the main body of the display device to the display chamber can be performed smoothly and easily.

  The present invention has been briefly described above. Further, details of the present invention will be further clarified by reading through the modes for carrying out the invention described below with reference to the accompanying drawings.

It is a perspective view which shows the state in the middle of the assembly | attachment of the instrument panel apparatus for motor vehicles to which the attachment structure of the display apparatus (liquid crystal panel) which concerns on one Embodiment of this invention was applied. It is a principal part enlarged view which shows (alpha) part (guide groove | channel) in FIG. It is explanatory drawing which shows the arrangement | positioning state of the main body of the LCD display in the instrument panel apparatus for motor vehicles of FIG. 1, and the shape of the guide groove provided in the main body. It is a principal part enlarged view which shows (beta) part (guide pin) in FIG. It is a principal part enlarged view which shows the (gamma) part (claw) in FIG. It is a principal part enlarged view which shows (delta) part (hole) in FIG. (A) to (C) shows an operation of inserting an LCD display body into a display chamber in an automotive instrument panel device to which a display device (liquid crystal panel) mounting structure according to an embodiment of the present invention is applied. It is explanatory drawing shown. (A) And (B) is explanatory drawing which shows the fixing operation to the housing | casing side of the main body of an LCD display by the fixing means in the case of the insertion operation to the display chamber of the main body of the LCD display shown in FIG. It is sectional drawing which shows the conventional display apparatus.

DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described in detail with reference to the accompanying drawings.
FIG. 1 shows an automotive instrument panel device 1 according to an embodiment of the present invention to which a display device mounting structure of the present invention is applied. The automotive instrument panel device 1 has a substantially thin box shape. A mounting portion 2 for mounting a speed display panel for a speedometer (not shown) on one side (hereinafter referred to as the surface 10A) of the housing 10 and a tachometer (not shown) A mounting unit 3 for mounting a rotary display panel, a warning display unit 4, and a display chamber 5 for housing an LCD display 50 constituting the display device, and a housing 10 and an LCD display The rotation guide means 6 and the fixing means 7 are provided between the reference numeral 50 and the reference numeral 50.

  The casing 10 is attached to a dashboard located on the front side of the driver's seat of the automobile, and as described above, the casing 10 of the present embodiment is for an automobile that displays various information to the driver. A speedometer, a tachometer, a warning lamp or an indicator (none of which are shown), and an LCD display 50 (which displays travel distance, remaining fuel, time, etc.) that constitute the instrument panel; Is provided.

  The LCD display 50 has a substantially thin box-shaped main body 51, which is inserted from one end side (front end surface side) of the main body 51 and is gradually rotated and slid to be provided in the display chamber 5. Is moved forward toward the back of the display room 5 and accommodated in the display chamber 5. The main body 51 of the present embodiment has a liquid crystal display screen of a liquid crystal display device (LCD) on the upper surface 51A. The main part of the liquid crystal display device (LCD) is accommodated in the main body 51 and is backlit. The light source for this is built in the LCD display 50.

  In addition, the main body 51 is rotated on both left and right side surfaces 51E and 51F sandwiching one surface (hereinafter referred to as “front end surface 51D”) as a leading portion when the main body 51 is inserted into the display chamber 5. It has a guide groove 61 that constitutes a part of the guide means 6 and a claw 71 that constitutes a part of the fixing means 7 to be described later on the other surface (hereinafter referred to as “rear surface 51G”) as the rearmost part. Further, in the main body 51, as shown in FIG. 1, a part of the upper surface 51A protrudes rearward from the rear surface 51G (hereinafter referred to as “flange portion 51H”). 51H functions as a locking means for locking a fingertip or the like when the main body 51 is escaped from the display chamber 5 (see FIG. 8).

  The display chamber 5 is a space having a thin box shape in which the surface (upper surface) 10A of the housing 10 is opened in a substantially rectangular cross section, and includes a bottom surface 5A and three wall surfaces (that is, left and right except for the insertion space portion 5B). It is surrounded by side wall surfaces 5C and 5D and outer wall surfaces 5E) on both sides.

  Of these, the bottom surface 5 </ b> A is provided with an opening 5 </ b> F having a large opening at the center side. The opening 5F penetrates to the bottom surface (lower surface) 10B of the housing 10 and is opened.

  The insertion space 5B faces the front end surface 51D on the main body 51 side when the main body 51 of the LCD display 50 is inserted into the display chamber 5. In addition, the insertion space part 5B of this embodiment is comprised by the space which penetrated into the back | inner side to the direct vicinity of the warning display part 4 of the housing | casing 10. FIG.

  The rotation guide means 6 serves as a guide when the main body 51 of the LCD display 50 constituting the display device is inserted into and removed from the display chamber 5, and the three wall surfaces on the side of the housing 10 surrounding the display chamber 5. Left and right wall surfaces 5C and 5D, and both side surfaces 51E and 51F of the main body 51 of the LCD display 50 facing the both wall surfaces 5C and 5D.

  The rotation guide means 6 of the present embodiment includes an LCD display 50 facing the side wall surfaces 5C and 5D adjacent to the insertion space portion 5B among the three wall surfaces on the side of the housing 10 surrounding the display chamber 5. Both side surfaces 51E. 51F has a guide groove 61 curved in a predetermined curved surface shape as shown in FIG.

  Further, the rotation guide means 6 has an insertion / removal operation for attaching / detaching the main body 51 of the LCD display 50 to / from the display chamber 5 on both side wall surfaces 5C, 5D on the housing 10 side, as shown in FIGS. When performing the above, the guide groove 62 is engaged with the guide groove 61 to guide the rotation operation of the main body 51 and serve as a rotation fulcrum of the rotation operation.

  As shown in FIG. 3, the guide groove 61 has a horizontal portion 61A formed with a certain length in a state substantially parallel to the lower surface 51B of the main body 51 of the LCD display 50, and a curved line extending obliquely upward from the horizontal portion 61A. The rotating portion 61B extends while curving in a shape, and the inclined portion 61C extends obliquely upward from the curved portion 61B. For the guide groove 61, it is convenient if the width W of the opened entrance 61D is opened slightly wider than other portions so that the guide pin 62 can be easily inserted.

  The fixing means 7 fixes the main body 51 of the LCD display 50 constituting the display device attached to the display chamber 5 to the housing 10 side. In the fixing means 7 of the present embodiment, as shown in FIG. 5, when the main body 51 of the LCD display 50 is accommodated in the display chamber 5, the fixing means 7 is placed on the upper side of the back surface 51 </ b> G facing the outer wall surface 5 </ b> E of the display chamber 5. A claw 71 is provided.

  In addition, the fixing means 7 has a hole 73 opened in the standing projection 72 as shown in FIG. 6 on the upper surface of the outer wall surface 5E of the housing 10, and an LCD display is provided in the display chamber 5. When the 50 main bodies 51 are accommodated, the claws 71 engage with the holes 73.

  The claw 71 of the present embodiment secures the engagement lock operation after the elastic force is applied and engaged with the hole 73. Therefore, the main body 51 of the LCD display 50 is provided with a compression spring or the like not shown in the drawing. It always protrudes outward. Further, as shown in FIG. 8, the claw 71 is provided with tapered surfaces 71A and 71B which are inclined in a direction constricted toward the tip direction, respectively.

  Thereby, the engagement operation of the claw 71 to the hole 73 by the dropping operation into the display chamber when the main body 51 of the LCD display 50 is accommodated is easily and smoothly performed by the lower tapered surface 71B. Can do. Further, the upper taper surface 71A provided on the nail 71 allows the nail 71 to be removed from the hole 73 at the same time that the operator pushes the nail 71 with a finger or the like, and at the same time, the LCD display from the display chamber 5 is displayed. By performing the operation of pulling up the main body 51 of the container 50, it can be performed easily and smoothly.

  The claws 71 are symmetrically installed at two positions on the left and right sides of the back surface 51G in order to ensure a stable engagement state in which the main body 51 of the LCD display 50 is balanced right and left. On the other hand, the holes 73 of the present embodiment are also formed on the protrusions 72 that are symmetrically erected on the upper surface of the outer wall surface 5E.

  Therefore, when the nail 71 is mounted at a predetermined position in the display chamber 5, the nail 71 protruding from the main body 51 of the LCD display 50 is configured to enter the hole 72 using this mounting completion operation. Yes. When the claw 71 is inserted into the hole 72, the insertion operation into the hole 72 is not released unless the operator pushes the claw 71 against the elastic force of the compression spring described above with a finger or the like. Accordingly, when mounting the speed display panel for the speedometer (speedometer) to the mounting portion 2 or attaching the rotation display panel for the tachometer to the mounting portion 3, Even if the casing 10 of the automotive instrument panel device 1 is turned upside down, the main body 51 of the LCD display 50 is fixed to the display chamber 5 and temporarily fixed. It can be avoided that it breaks.

  Next, with reference to FIG. 7 and FIG. 8, an operation of inserting and fixing the main body 51 on the LCD display 50 side into the display chamber 5 of the housing 10 on the vehicle instrument panel device 1 side of this embodiment and the display thereof. An operation of escaping the main body 51 from the chamber 5 will be described.

  First, while gripping the main body 51 of the LCD display 50 by hand, the tip surface 51D is inclined downward toward the display chamber 5, and the tip of the tip surface 51D is located at the back of the insertion space portion 5B of the display chamber 5. The main body 51 is inserted toward the part. In this operation, first, the guide pins 62 projecting from the both side wall surfaces 5C, 5D on the housing 10 side are connected to the both side surfaces 51E. It is performed after aligning the vertical height position so as to match the opening 61D of the guide groove 61 provided in 51F.

  Thereafter, the front end surface 51D side of the main body 51 is first moved forward so as to be gradually rotated, and the main body 51 is laid down while being rotated to a position parallel to the horizontal direction. Then, the main body 51 is advanced toward the back of the display chamber 5 provided in the housing 10 by such rotation and sliding operation of the main body 51, and is accommodated in the display chamber 5 in a horizontal posture.

  Here, by the last pushing operation of the main body 51 in the direction of the bottom surface 5A of the display chamber 5 immediately before the main body 51 is accommodated horizontally in the display chamber 5, the rear surface 51G of the main body 51 shown in FIG. Since the taper surface 71B of the lower claw 71 provided on the lower surface is pressed downward, the taper surface 71B receiving this pressing force has a horizontal component force (that is, the horizontal left side in FIG. Force to move to). Thereby, the nail | claw 71 is pushed to the left simultaneously with the main body 51 performing the last descent | fall operation | movement to a floor direction. As a result, the claw 71 is fitted into the hole 73 opened in the protrusion 72 while sliding downward while contacting the wall surface of the protrusion 72 standing on the upper surface of the outer wall surface 5E.

  Thus, as shown in FIGS. 7C and 8B, the claw 71 on the side of the main body 51 is connected to the outer wall surface 5E on the side of the housing 10 at the same time as the main body 51 is accommodated in the display chamber 5. It fits in the hole 73 provided in the protrusion 72 which stood up on the upper surface, and it will be in a locked state. Thereby, the main body 51 is firmly fixed temporarily in the state accommodated in the display chamber 5.

On the other hand, when the main body 51 temporarily fixed in the state accommodated in the display chamber 5 is taken out from the display chamber 5, it may be operated so as to perform an operation opposite to the above-described insertion operation.
That is, the flange portion 51H protruding rearward from the rear surface 51G of the upper surface 51A of the main body 51 shown in FIG. 8B is locked with a fingertip or a nail and pushed upward, and at the same time, shown in FIG. The claw 71 is pushed in the left direction to release the fitting operation of the claw 71 into the hole 73.

  Thereafter, the left and right side surfaces 51E and 51F of the main body 51 are gripped and pulled up while being pulled out backward while using the guide pin 62 as a rotation fulcrum and rotating in the direction opposite to that during insertion. Thereby, the main body 51 can be easily and smoothly escaped from the display chamber 5 while the escape direction is guided by the guide groove 61 of the rotation guide means 6 and the guide pin 62 engaged therewith.

  Therefore, according to the present embodiment, if the main body 51 of the LCD display 50 constituting the display device is rotated while being slid in one direction to the display chamber 5 on the housing 10 side, The moving guide means 6 can be smoothly accommodated in the display chamber 5. Moreover, at the same time that the main body 51 is accommodated in the display chamber 5, it is automatically fixed and locked by the fixing means 7 and temporarily fixed. For this reason, even if the main body 51 of the LCD display 50 is turned upside down with a screw or the like not shown in the figure, the main body 51 may fall out of the display chamber 5 on the housing 10 side and break down or be damaged. The occurrence of troubles such as

  Further, when the LCD display 50 is subsequently broken or the instrument panel is rearranged, the main body 51 of the LCD display 50 can be easily taken out from the display chamber 5 on the housing 10 side. It can be done easily and smoothly.

The present invention is not limited to the embodiment described above, and can be implemented in various forms without departing from the gist of the present invention.
That is, the rotation guide means 6 of the present embodiment has a guide groove on the main body 51 side of the LCD display 50 and a guide pin 62 on the housing 10 side of the automotive instrument panel device 1. It may be provided on the side. The same applies to the fixing means 7.

DESCRIPTION OF SYMBOLS 1 Automotive instrument panel apparatus 10 Housing | casing 10A Surface 2 (speed display panel) mounting part 3 (rotation display panel) mounting part 4 Warning display part 5 Display room 5A Bottom surface 5B Insertion space part 5C, 5D Side wall surface 5E Outer wall surface 5F Opening Unit 50 (which constitutes a display device) LCD display 51 main body 51A upper surface 51B lower surface 51C opening 51D front end surface 51E, 51F (both) side surface 51G rear surface 51H flange portion 6 rotation guide means 61 guide groove 61A horizontal portion 61B rotation Part 61C Inclined part 61D Entrance / exit 62 Guide pin 7 Fixing means 71 Claw

Claims (3)

An attachment structure of a display device that is attached to a display chamber provided in a casing of an instrument panel device while inserting the display device main body from a distal end surface and rotating the display device body,
The display chamber is disposed between both side surfaces located on both sides of the front end surface of the main body and both side wall surfaces facing the both side surfaces of the main body among the wall surfaces surrounding the display chamber. Rotation guide means to be a guide when inserting and removing
Fixing means for fixing the main body attached to the display chamber to the display chamber;
A display device mounting structure comprising: The rotation guide means includes an inclined guide groove formed on either one of the both side surfaces of the main body or the both side wall surfaces of the display chamber, and the other of the both side surfaces of the main body or the both side wall surfaces of the display chamber. A guide pin formed to engage with the guide groove,
The display device mounting structure according to claim 1. The fixing means is formed on either the back surface of the main body opposite to the front end surface or a part of the housing located near the back surface when the main body is accommodated in the display chamber. A claw and a hole engaged with the claw formed on the other side of the casing side located near the back surface of the main body or in the vicinity of the back surface,
The display device mounting structure according to claim 1.

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