JP3676858B2 - In-vehicle display device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an in-vehicle display device that is mounted on a vehicle and displays map information of a television broadcast or a navigation system.
[0002]
[Prior art and its problems]
As a display device mounted on a vehicle, a display device is housed in a console portion of a vehicle body when not in use, and in use, the display body is pulled out from the console portion and rotated to a state where a passenger can visually recognize it. ing. This type of display apparatus has a slider that holds the display body and is slidable in the longitudinal direction of the vehicle, and the display body is rotatably attached to the tip of the slider. Conventionally, there has been a problem that the work for attaching the display body to the slider is complicated in the manufacturing process.
[0003]
An object of the present invention is to provide an in-vehicle display device that simplifies the process of attaching a display body to a slider and improves assembly efficiency.
[0004]
[Means for Solving the Problems]
3 and FIG. 13 showing an embodiment, the present invention relates to a display main body 10 provided with attachment portions on both side surfaces and rotating members 52a (which are respectively screwed to the attachment portions of the display main body 10). 52b), and a pair of sliders 50 that can slide while holding the display main body 10 from both sides, and the display main body 10 is rotated with respect to the slider 50 by the rotation of the rotating member 52a (52b). The above-described problem is solved by the following configuration.
A mounting groove 13b is formed on both sides of the display body 10 from the end of the surface to the mounting portion, and a positioning groove 142 and a screw hole 13a communicating with the mounting groove 13b are provided on the mounting portion. The 50 rotation members 52a (52b) are provided with a plurality of bosses 522, 523 engaged with the positioning groove 142 and screw through holes 521 corresponding to the screw holes 13a of the mounting portion, and the bosses 522, 523 are for mounting. When passing through the groove 13b and being engaged with a predetermined position of the positioning groove 142, the screw through hole 521 and the screw hole 13a overlap.
In the above configuration, the bosses 522 and 523 provided on the rotating members 52a (52b) of the pair of sliders 50 are respectively passed through the mounting grooves 13b of the display body 10 and engaged with the predetermined positions of the positioning grooves 142 of the mounting portion. As a result, the screw through hole 521 of the rotating member 52a (52b) and the screw hole 13a of the mounting portion overlap. In this state, when the screw is passed through the screw through hole 521 and screwed into the screw hole 13a, the display body 10 is rotatably attached to the pair of sliders 50.
According to the second aspect of the present invention, the first boss 522 and the second boss 523 having a smaller diameter than the first boss 522 are provided, and the positioning groove 142 is communicated with the mounting groove 13b. A first groove 142a having a width substantially equal to the diameter of the first groove 142a and a second groove 142b communicating with the first groove 142a and having a width substantially equal to the diameter of the second boss 523. When the two bosses 522 and 523 are respectively engaged with predetermined positions of the first and second grooves 142a and 142b, the screw through hole 521 and the screw hole 13a are configured to overlap each other.
According to the third aspect of the present invention, the width of the mounting groove 13 at the side end of the display main body is wider than the diameter of the first boss 522.
[0005]
In the section of the means for solving the above-described problem to explain the configuration of the present invention, the drawings of the embodiments are used for easy understanding of the present invention, but the present invention is thereby limited to the embodiments. It is not something.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described with reference to FIGS.
1 and 2 are perspective views showing the appearance of an in-vehicle display device according to the present invention. FIG. 1 shows a storage state in which a display main body 10 is stored in a console portion of a vehicle body, and FIG. The use state protruded from the part is shown. The display main body 10 includes a screen 11 such as a liquid crystal for displaying map information in a TV broadcast or a navigation system, and an operation unit 12 including various operation buttons. BT of FIG. 1 is an open / close button for switching the display device between the state of FIG. 1 and the state of FIG.
[0007]
The general configuration and movement of the display device according to the present embodiment will be described with reference to the schematic diagrams of FIGS.
In FIG. 3, 20 is an upper case embedded in the console portion of the vehicle body, 30 is a pair of side sliders supported by the upper case 20 so as to be slidable in the vehicle longitudinal direction (A and B directions in the figure), and 40 is a side. The mechanical base is supported so as to be movable in the A and B directions with respect to the slider 30, and the display main body 10 is rotatably supported at the distal ends of a pair of side arms 50 fixed to both ends of the mechanical base 40.
[0008]
When the open / close button BT is operated in the storage state shown in FIGS. 1 and 3A, the mechanical base 40, the side arm 50, and the display body 10 are integrally moved in the A direction, and the state shown in FIG. When reaching the side slider 30, the side slider 30 also starts to move together, and stops in the state shown in FIG. 3C (the display main body 10 completely protrudes from the console). Next, as shown in FIG. 4, the display main body 10 rotates upward and stops when the use state shown in FIG. 2 is reached. When the open / close button BT is operated in the use state, the storage state is restored by the reverse operation to that described above.
[0009]
A mechanism for realizing the above-described operation will be described in detail with reference to FIGS.
5A is a view of the upper case 20 and the pair of side sliders 30 as viewed from the lower side of the vehicle, FIG. 5B is a view taken along line bb, and FIG. 6 is a VI VI of FIG. 5A. FIG.
[0010]
The upper case 20 is formed by integrating an upper plate 21, a rear plate 22, and a pair of side plates 23, and a pair of left and right racks 21 a are formed on the inner surface of the upper plate 21. As shown in FIG. 6, each side plate 23 is formed with a pair of guide holes 23a in the longitudinal direction and rectangular long holes 23b in the same longitudinal direction, and rails 23c are formed above and below the long holes 23b. A pair of rollers 31 is rotatably attached to each side slider 30 and a pair of guide pins 32 are implanted. The side slider 30 is formed on the inner surface of the side plate 23 so that the roller 31 passes through the long hole 23b of the side plate 23 and is inserted between the upper and lower rails 23c, and the pair of guide pins 32 engage with the pair of guide holes 23a, respectively. Arranged along. Thereby, each side slider 30 can be smoothly slid in the A and B directions with respect to the upper case 20.
[0011]
Each side slider 30 also rotatably supports a lever 34 that holds a roller 33. The lever 34 is always rotated clockwise by a torsion spring 35, that is, a direction in which the roller 33 is pressed against one rail 23c. Is being energized. When the side slider 30 is located at the rearmost position as shown in FIG. 6A, the roller 33 is dropped into the notch 23d of the rail 23c by the urging force of the spring 35, and the side slider 30 moves forward (A When moving in the direction), the roller 33 rides on the rail 23c against the urging force of the spring 35 as shown in FIG. On the other hand, both ends of the tension spring 37 are locked to the pair of left and right spring hooks 21b protruding from the upper plate 21 of the upper case 20 and the spring hook member 36 fixed to the guide pins 32 of the pair of side sliders 30, respectively. The side sliders 30 are always urged rearward by the urging force of the springs 37.
[0012]
FIG. 7 is a plan view showing the mechanical base 40 and the side arms 50 fixed to both ends thereof. A slide motor 41 and a tilt motor 42 are fixed to the mechanical base 40, and the rotation of the slide motor 41 is transmitted to the pinion gear 43b via the reduction gear mechanism 43 and the pinion gear 43a. The rotation of the pinion gear 43b is transmitted to the opposite pinion gear 43c via the pinion shaft 44.
[0013]
As shown in FIG. 8A, the reduction gear mechanism 43 includes a spur gear 431 that meshes with the output shaft of the slide motor 41 and spur gears 432 to 434 that are sequentially meshed with the spur gear 431. The spur gear 434 is meshed with the pinion gear 43a of FIG. The spur gears 431 and 433 are supported by the shaft SH1, the spur gears 432 and 434 are supported by the shaft SH2 on one side arm 50 and the upright wall 40a erected on the mechanical base 40, and the pinion gears 43a and 43b are supported on one side. The pinion gear 43c is supported by the arm 50 and the other side arm 50, respectively.
[0014]
Reference numeral 45 in FIG. 8A denotes a lock mechanism that applies a rotational load to the spur gear 431 that is directly meshed with the output shaft of the slide motor 41. The disc-shaped felt 451 and presser plate 452 that are extrapolated to the shaft SH1; , And a pressing spring 453 interposed between the pressing plate 452 and the standing wall 40a. As shown in FIG. 8B, the pressing plate 452 includes a pressing portion 452a and an arm portion 452b, and the arm portion 452b is supported by the shaft SH2. The pressing plate 452 presses the felt 451 against the spur gear 431 by the urging force of the spring 453 and applies a rotational load to the spur gear 431. Thus, the spur gear 431 does not rotate in a state where the rotational torque transmitted from the spur gear 432 side to the spur gear 431 is equal to or less than a predetermined value determined by the spring force of the spring 453.
[0015]
FIG. 9 shows the configuration of the torque limiter 46 including the spur gear 433 described above. The spur gear 433 includes a large-diameter gear 433a and a small-diameter gear 433b separate from the large-diameter gear 433a, and one end of the small-diameter gear 433b is inserted into a recess provided in the large-diameter gear 433a. Reference numeral 46a denotes a cylindrical body that is extrapolated to the shaft SH1, and one end of the cylindrical body 46a penetrates through the large and small diameter gears 433a and 433b. A compression spring 46c is interposed between a spring receiver 46b provided at the other end of the cylindrical body 46a and a small diameter gear 433b, and the small diameter gear 433b is pressed against the large diameter gear 433a by the urging force of the spring 46c. Therefore, normally, the large-diameter and small-diameter gears 433a and 433b rotate integrally, but when the rotational torque applied to the small-diameter gear 433b exceeds a predetermined value (determined by the spring force of the spring 46c), the small-diameter gear 433b becomes large-diameter gear 433a. Rotate against.
[0016]
In FIG. 7, the driving force of the tilt motor 42 is transmitted to the display gear 52a via the reduction gear mechanism 47 including a plurality of spur gears 471 to 475 and the pinion gears 51a and 51b. The rotation of the pinion gear 51a is transmitted to the opposite pinion gear 51c via the shaft 53, and the rotation of the pinion 51c is transmitted to the display gear 52b via the pinion gear 51d.
[0017]
A plurality of spur gears 471 to 475 constituting the reduction gear mechanism 47 are supported by the side arm 50 and the standing wall 40a, and the pinion gears 51a and 51b and the pinion gears 51c and 51d are respectively supported by the outer surfaces of the side arms 50. Yes. The display gears 52a and 52b are rotatably fitted in holes formed at the tips of both side arms 50, and one surface thereof (the surface attached to the display body 10) is exposed inside the side arm 50. Yes. A torsion spring 54 is extrapolated to one end side of the shaft 54, and the shaft 53 is biased in the rotational direction by the biasing force of the spring 54.
[0018]
Reference numeral 48 in FIG. 7 denotes a lock mechanism similar to the lock mechanism 45 described in FIG. 8, and applies a rotational load to the spur gear 471 that directly meshes with the tilt motor 52. The spur gear 474 constitutes a torque limiter 49 similar to the torque limiter 46 described in FIG.
[0019]
FIG. 10 is a view taken along line XX in FIG. On the outer surfaces of the pair of side arms 50, a pair of rollers 55 are rotatably supported at the front and rear corners, and a plate member 57 having the rollers 56 is rotatably attached around a shaft 57a. The plate member 57 is biased clockwise by a spring 58 in the drawing. These rollers 55 and 56, the plate member 57, and the spring 58 are for preventing the side arm 50 from rattling, and their detailed functions will be described later.
[0020]
The mechanical base 40 has a pair of side sliders 30 so that the pair of pinion gears 43b and 43c shown in FIG. 7 are respectively engaged with the pair of racks 21a formed on the upper plate 21 of the upper case 20 (FIG. 5). It is inserted between. By meshing the pinion gears 43b and 43c with the rack 21a, the mechanical base 40 is movable with respect to the upper case 20 between the position shown in FIG. 3A and the position shown in FIG. The side arms 50 at both ends of the mechanical base 40 are respectively disposed along the inner surfaces of the side sliders 30, and the four rollers 55 of the side arms 50 come into contact with the upper and lower rails 38 of the side slider 30 as shown in FIG. 11. .
[0021]
Next, an attachment structure for attaching the display body 10 to the pair of side arms 50 will be described.
As shown in FIGS. 12 and 13, a metal mounting plate 14 is screwed to both side surfaces of the case 13 (made of resin) of the display main body 10, and the display body lower end is provided from the mounting plate 14. A mounting groove 13b is formed over the portion. The mounting plate 14 is formed with a plurality of through holes 141 communicating with the plurality of screw holes 13a formed in the case 13, and a positioning hole 142 communicating with the mounting groove 13b. The positioning hole 142 includes a wide base end part 142a and a narrow front end part 142b, and the boundary part thereof is a gently curved surface. The mounting groove 13b of the case 13 has a tapered portion that becomes wider as it reaches the end as shown in the figure.
[0022]
On the other hand, a plurality of screw through holes 521 are formed in the display gears 52a and 52b provided at the distal ends of the side arms 50, and large and small diameter bosses 522 are formed on the inner surfaces (the surfaces on the display body 10 side). , 523 are projected. The small-diameter boss 523 is provided at the rotation center of the display gears 52a and 52b, and the large-diameter boss 522 is provided at a position eccentric from the center. The diameter of the large-diameter boss 522 is substantially the same as the width of the base end portion 142 a of the positioning hole 142, and the diameter of the small-diameter boss 521 is substantially the same as the distal end portion 142 b of the positioning hole 142.
[0023]
In attaching the display body 10, the lower part of the display body 10 is inserted between the pair of side arms 50. At that time, the display main body 10 is moved so that the bosses 522 and 533 protruding from the display gears 52 a and 52 b of both side arms 50 pass through the mounting grooves 13 b of the display main body 10. Since a tapered portion is formed at the tip of the mounting groove 13b, the bosses 522 and 523 can be easily inserted into the groove 13b, and the inserted bosses 522 and 523 can be easily placed on the center side of the groove 13b. I can guide you. Next, the bosses 522 and 523 move from the groove 13b to the positioning groove 142 of the mounting plate 14, and are engaged with the distal ends of the proximal end portion 142a and the distal end portion 142b of the groove 142 as shown by broken lines in the figure. Since the distal end wall surface of the base end portion 142a is a gently curved surface, the small diameter boss 523 can be easily guided to the groove distal end portion 142b.
[0024]
When the bosses 522 and 523 are respectively engaged with the grooves 142, the plurality of screw through holes 521 of the display gears 52a and 52b overlap with the screw through holes 141 of the mounting plate 14 and the screw holes 13a of the case 13 as shown in the figure. The screws BS are threaded through the screws BS, respectively. Accordingly, the display main body 10 is attached to the pair of side arms 50, and the display main body 10 can be rotated with respect to the side arms 50 by the rotation of the display gears 52a and 52b.
The display device configured as described above is installed on the vehicle body by the upper case 20 being embedded in the console portion.
[0025]
Next, the operation of the display device will be described in detail.
In the storage state shown in FIGS. 1 and 3A, each side slider 30 is located at the rearmost position, and as shown in FIG. 6A, each roller 33 is notched in the rail 23c by the biasing force of the spring 35. 23d to press the front and rear edge portions of the notch 23d. As a result, the side slider 30 is urged downward in the figure (upward in a vehicle-mounted state) via the roller 33, and there is a backlash in the vertical direction with respect to the upper case 20 of the side slider 30 due to vibration of the vehicle and the like. Is prevented. At this time, the spring 37 is in the most loose state, but the backlash of the side slider 30 in the front-rear direction is also prevented by the roller 33 pressing the front-rear edge part of the notch 23d.
[0026]
On the other hand, as shown in FIG. 11A, the pair of side arms 50 is also located at the rearmost position, and the roller 56 is pressed against the rail 38 of the side slider 30 by the urging force of the spring 58. As a result, the side arm 50 is urged upward in the figure (downward in the vehicle-mounted state) via the roller 56, and the backlash of the side arm 50 with respect to the side slider 30 is prevented.
[0027]
When the open / close button BT is operated, the slide motor 41 (FIG. 7) is rotated in a predetermined direction, and the rotation is transmitted to the pinion gear 43b via the reduction gear mechanism 43 and the pinion gear 43a and the pinion shaft. It is also transmitted to the pinion gear 43c via 44. Therefore, when the pinion gears 43b and 43c move on the rack 21a, the mechanical base 40, the side arm 50, and the display main body 10 slide together in the direction A in FIG. At this time, each of the four rollers 55 shown in FIG. 11A slides on the rail 38 of the side slider 30, so that each side arm 50 can move smoothly. Further, since the roller 56 rotates while being pressed against the rail 38 by the urging force of the spring 85, the side arm 50 is prevented from rattling in the vertical direction even during movement.
[0028]
As shown in FIGS. 3B and 11B, when the tips of the pair of left and right side arms 50 substantially coincide with the tips of the side sliders 30, the left and right rollers 56 are moved by the biasing force of the springs 58. It falls into the notch 38a at the same time and is pressed by the front and rear edge portions of the notch 38a. At this time, the roller 56 contacts the roller 55 at the lower end of the rear portion, and a load is applied to the rotation of both the rollers 56 and 55. With these two actions, each side slider 30 starts to move forward integrally as being dragged by each side arm 50. At that time, as shown in FIG. 6B, the rollers 33 of both side sliders 30 ride on the rails 23 c simultaneously from the notches 23 d against the urging force of the springs 35. As described above, the left and right rollers 56 simultaneously drop into the notch 38a and the left and right rollers 33 escape from the notch 32d at the same time, so that both side sliders 30 can start to move simultaneously without time lag. Smooth movement is achieved.
[0029]
In addition, since the roller 33 rotates while pressing the rail 23c even after it escapes from the notch 23d, the side slider 30 is prevented from rattling in the vertical direction even during movement. Further, since the side slider 30 moves against the urging force of the spring 37, backlash in the front-rear direction of the side slider 30 is also prevented by the urging force of the spring 37.
[0030]
As shown in FIG. 3C, when the display main body 10 completely protrudes from the console, the slide motor 41 is stopped, and the tilt motor 42 is rotated in a predetermined direction instead. The rotation of the tilt motor 42 is transmitted to the display gear 52a via the reduction gear mechanism 47 (FIG. 7) and the pinion gears 51a and 51b described above, and to the display gear 52b via the shaft 53 and the pinion gears 51c and 51d. The two display gears 52a and 52b are rotated in synchronization with each other. As a result, the display main body 10 integrated with the display gears 52a and 52b rotates as shown in FIG. 4, and the tilt motor 42 is stopped when the display main body 10 reaches a predetermined position (position where the passenger can visually recognize the screen). Since the display body 10 is always urged in the rotation direction by the action of the torsion spring 54 externally attached to the shaft 53 of FIG. 7, the play in the rotation direction of the display body 10 is prevented.
The front-rear position and the rotation position of the display body 10 can be adjusted as appropriate by operating the operation member provided in the operation unit 12 and rotating the slide / tilt motors 41 and 42.
[0031]
Here, since the load is applied to the spur gear 431 directly meshed with the slide motor 41 by the lock mechanism 45, the side arm 50, that is, the display main body 10 is not desired in the vehicle front-rear direction with respect to the vibration of the vehicle body. Never move on. On the other hand, when the occupant pushes the display main body 10 with a force equal to or greater than a predetermined value to adjust the front / rear position of the display main body 10, the spur gears 431 to 434 rotate the slide motor 41 against the load of the lock mechanism 45. The display main body 10 is allowed to move. At this time, the spur gear 431 rotates while sliding with respect to the felt 451 constituting the lock mechanism 45.
[0032]
Similarly, since the load is applied to the spur gear 431 directly meshed with the tilt motor 42 by the lock mechanism 48, the display main body 10 undesirably rotates with respect to the side arm 50 with the degree of vibration of the vehicle body. There is no. Therefore, the back surface of the display main body 10 can be held at a desired position without being brought into contact with the console. On the other hand, when the occupant tries to rotate the display body 10 with a force equal to or greater than a predetermined value in order to adjust the rotation position of the display body 10, each spur gear 471 to 475 resists the load applied by the lock mechanism 48 and the tilt motor. The display main body 10 is allowed to rotate by rotating while rotating 42.
[0033]
Further, when a large external force in the vehicle front-rear direction is applied to the display body 10 for some reason (a force larger than the force that the occupant attempts to push in by hand), the gear 433b constituting the torque limiter 46 rotates with respect to the gear 433a. Thus, the side arm 50 slides in a state where the transmission of the rotational torque from the display main body 10 to the slide motor 41 is cut off, and the display main body 10 moves. Similarly, when a large external force in the rotation direction (a force greater than the force that the occupant attempts to rotate by hand) is applied to the display main body 10, the display main body 10 moves to the tilt motor 42 by the action of the torque limiter described above. The display main body 10 rotates in a state where the transmission of the rotational torque is cut off.
[0034]
When the open / close button BT is operated while the display device is in use, the tilt motor 42 is driven to rotate the display body 10 to the position of the two-dot chain line in FIG. 4, and then the slide motor 41 is driven to display the display. The main body 10, the side arm 50, the mechanical base 40, and the side slider 30 are integrally slid in the B direction from the state shown in FIG. When the state shown in FIG. 3B is reached, the rear end portion of the side slider 30 comes into contact with the rear plate 22 of the upper case 20, and the movement stops. Thereafter, only the display main body 10, the side arm 50, and the mechanical base 40 are present. Will move. At this time, as shown in FIG. 6A, the roller 33 of the side slider 30 falls into the notch 23d of the upper case 20 by the urging force of the spring 35 and is latched, while the notch 38a of the side slider 30 (FIG. c)), the roller 56 of the side arm 50 that has been hooked is disengaged from the notch 38a against the biasing force of the spring 58 and rides on the rail 38. Thereafter, the roller 56 moves while rotating on the rail 38. Thereafter, when the state shown in FIG. 3A is reached, the slide motor 41 is stopped.
[0035]
In the configuration of the above embodiment, the display gears 52a and 52b are rotating members, the side arm 50 is a slider, the boss 522 is a first boss, the boss 523 is a second boss 523, and the base end of the groove 142. 142a constitutes the first groove part, and the tip part 142b constitutes the second groove part.
Note that the size of the plurality of bosses and the shape of the grooves formed in the display gear can be changed as appropriate.
[0036]
【The invention's effect】
According to the present invention, when the boss of the rotating member provided on the pair of sliders is passed through the mounting groove on the display body side and engaged with the guide groove, the screw through hole of the rotating member and the screw hole on the display body side The display main body can be easily attached to the pair of sliders, and the assembly work efficiency can be improved.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a storage state of a display device according to the present invention.
FIG. 2 is a perspective view showing a protruding state (usage state) of the display device.
FIG. 3 is a diagram illustrating a sliding operation of the display device.
FIG. 4 is a diagram for explaining a rotation operation of the display device.
FIG. 5 is a plan view showing a configuration of an upper case and a view taken along line bb.
6 is an enlarged view taken along line VI-VI in FIG. 5;
FIG. 7 is a view showing a slide and rotation drive mechanism of the display main body.
8 is a plan view showing details of the reduction gear mechanism of FIG. 7 and a view taken along the line bb.
FIG. 9 is an enlarged view showing a configuration of a torque limiter.
10 is an enlarged view taken along line XX in FIG.
FIG. 11 is a diagram illustrating the movement of the side arm with respect to the side slider.
FIG. 12 is a diagram showing a side surface of a display main body.
FIG. 13B is a side view showing the mounting structure of the display body, and FIG. 13A is a sectional view taken along line aa in FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Display main body 11 Screen 12 Operation part 13 Case 13a Screw hole 13b Mounting groove 14 Mounting plate 20 Upper case 21a Rack 23 Side plate 23c Rail 23d Notch 30 Side slider 31, 33 Roller 34 Lever 35 Torsion spring 37 Tension spring 38 Rail 38a Notch 40 Mechanical base 41 Slide motor 42 Tilt motor 43, 47 Reduction gear mechanism 43a-43c Pinion gear 44 Pinion shaft 45, 48 Lock mechanism 46, 49 Torque limiter 50 Side arm 51a-51d Pinion gear 52a, 52b Display gear 53 Shaft 54 Torsion spring 55 56 Roller 57 Plate member 58 Tension spring 141 Screw through hole 142 Positioning groove 521 Screw through hole 522, 523 Boss

Claims (3)

A display main body provided with attachment portions on both side surfaces, and a pair of sliders each having a rotating member screwed to the attachment portion of the display main body and capable of sliding while holding the display main body from both side portions; An in-vehicle display device in which the display body is rotated relative to the slider by rotation of the rotating member,
A mounting groove is formed on both side surfaces of the display body from an end of the surface to the mounting portion, and a positioning groove and a screw hole communicating with the mounting groove are provided in the mounting portion, and the slider The rotating member is provided with a plurality of bosses engaged with the positioning grooves and screw through holes corresponding to the screw holes of the mounting portion, and the bosses pass through the mounting grooves and the positioning grooves. An in-vehicle display device characterized in that the screw through hole and the screw hole are overlapped when engaged in a predetermined position. The boss includes a first boss and a second boss having a smaller diameter than the first boss, and the positioning groove communicates with the mounting groove and has a width substantially equal to the diameter of the first boss. A first groove portion having a first groove portion and a second groove portion communicating with the first groove portion and having a width substantially equal to the diameter of the second boss. The in-vehicle display device according to claim 1, wherein the screw through hole and the screw hole overlap each other when engaged with predetermined positions of the two grooves. The in-vehicle display device according to claim 2, wherein the mounting groove has a width at a side end portion of the display body wider than a diameter of the first boss.

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