JP2008096281A - Pointer for instrument device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pointer of an instrument device capable of giving the user a sense of novelty, while enhancing visibility. <P>SOLUTION: The pointer 2 to be used for a speedometer, or the like, includes a pointer body 20 etc. The pointer body 20 includes a base 21, a light-receiving surface 22 provided on the base 21, a reflecting surface 23, an indicator section 24, and a tapered part 25. The base 21 forms the center of rotation of the pointer 2 and faces an LED 12 for illuminating the pointer. The light from the LED 12 enters the base 21 from the receiving surface 22 and is reflected by the reflecting surface 23 toward the direction of the tip of the indicator section 24. The indicator section 24 is formed, stretching from the base 21 in the circumferential direction of the base 21. The tapered section 25 is provided at an edge part, on a side separated from the base 21 of the indicator section 24 and emits a light incident in the direction of the tip of the indicator section 24 to the passenger side. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a pointer for an instrument device mounted on a moving body such as a vehicle or a ship, and particularly relates to a pointer for an instrument device for visually recognizing a pointer illuminated by light guided through a pointer main body.

  In order to display information measured by various measuring means to the occupant on a moving body such as a vehicle or a ship, for example, an instrument device disclosed in Japanese Patent Application Laid-Open No. 2005-265835 is mounted. The instrument device disclosed in Japanese Patent Laid-Open No. 2005-265835 is called a black face type instrument device. Such a black-face-type instrument device includes a box-shaped instrument case, an instrument unit accommodated in the instrument case, a black transparent cover that covers an opening of the instrument case and faces an occupant of the moving body, A dial, a pointer, and a light source are provided.

  The instrument unit includes an output shaft that rotates based on a measurement amount of a measuring unit that measures various situations of the moving body. The dial is accommodated in an instrument case and is arranged closer to the occupant of the moving body than the instrument unit. The dial is provided with an index such as a scale indicating various situations of the moving body.

  The black face type instrument device allows an occupant to visually recognize a pointer fixed to the output shaft of the instrument unit through a black transparent cover. When the ignition (IGN) switch is off, the black-face type instrument device makes the surface of the instrument device visible in black without turning on the light source. When the IGN switch is on, the light source is turned on and the instrument display surface And the pointer is made visible through the black transparent cover.

  The pointer is made of a translucent material, and is attached to the output shaft of the instrument unit and extends from the base toward the outer periphery of the base when the output shaft rotates. An indicator, a light receiving surface that receives light from the light source, and a reflective surface that reflects light incident from the light receiving surface toward the tip of the indicator. The indicating portion is formed so as to become gradually thinner as the distance from the base portion increases. Then, the indicator is rotated by the output shaft of the instrument unit to indicate the measurement amount by indicating the dial index, and the indicator shines.

  The light source emits light toward the light receiving surface of the base. As the light source, LEDs are used, and a plurality of LEDs are arranged at equal intervals in the circumferential direction around the output shaft.

The meter device having the above-described configuration rotates the pointer based on the measurement amount of the measurement means, and the instruction unit indicates an indicator such as a scale on the dial so that the measurement amount is measured for the occupant of the moving body. Indicates. At this time, in order to surely show the measurement amount to the occupant, the light source uniformly shines at least the indicator.
JP 2005-265835 A

  However, the pointers used in the above-described instrument device have been common in the past, and the pointer indicating portion is uniformly shining, and the position indicated by the pointer may be difficult for the passenger to visually recognize. Moreover, the display which gives a novel feeling to a user only by changing the shape design could not be obtained sufficiently.

  Therefore, an object of the present invention is to provide a pointer for an instrument device that makes it easy for an occupant to visually recognize the position indicated by the pointer, gives a sharp feeling to light emission of the pointer, and gives a novel feeling to the user. is there.

  In order to solve the above-described problems and achieve the object, the indicator of the instrument device according to the present invention includes an instrument case having an instrument unit having an output shaft that rotates according to a measurement amount, and a scale. Is used in an instrument device having a dial provided with an index such as a plurality of light sources arranged at equal intervals in the circumferential direction around the output shaft, and the index of the dial by the instrument unit In the pointer of the instrument device that visually recognizes the measurement amount by the light from the light source entering and shining, the pointer has a pointer main body made of a translucent material, and the pointer main body is connected to the output shaft. A base portion that is attached and serves as a rotation center when the output shaft rotates, an instruction portion that extends from the base portion toward an outer peripheral direction of the base portion and indicates an indicator of the dial, and the base portion that is provided on the base portion light source A light receiving surface that receives the light from the light receiving surface, and a reflective surface that is provided on the base and reflects light incident from the light receiving surface toward the tip of the pointing unit, and is separated from the base of the pointing unit The end portion on the side is provided with a quadrangular pyramid tip that is formed so that the tip is narrowed, and is inclined toward the central axis side of the pointing portion of the surface of the tip facing the dial. The inclination angle is formed so as to be larger than the inclination angle inclined toward the central axis of the indicating portion on the surface on the side away from the dial.

  The pointer of the instrument device of the present invention according to claim 2 is the pointer of the instrument device according to claim 1, wherein the tapered portion has a flat surface at the top of the tapered portion, and the flat surface is separated from the base portion. According to the above, it is formed so as to be inclined so as to approach the dial.

  According to the pointer of the instrument device of the present invention described in claim 1, the tapered portion is formed in a quadrangular pyramid shape so as to be thin in the distal direction, and the pointing portion on the surface facing the dial plate of the tapered portion The inclination angle that inclines in the central axis direction is larger than the inclination angle that inclines in the central axis direction of the pointing portion on the surface on the side away from the dial. For this reason, the light guided from the light source toward the tip of the pointing unit can be guided upward by the surface facing the tapered dial, and can be visually recognized so that the tip of the pointing unit emits light. . Further, the amount of light can be adjusted by the inclination of the surface on the side away from the dial, and the appropriate amount of light can be visually recognized.

  According to the pointer of the instrument device of the present invention described in claim 2, the flat surface of the top portion of the tapered portion is formed so as to be inclined so as to approach the dial as the distance from the base portion increases. For this reason, the light guided from the light source toward the tip of the pointing unit can be guided upward by the flat surface of the top of the tapered portion, and can be visually recognized so that the tip of the pointing unit emits light.

  As described above, according to the first aspect of the present invention, the light guided from the light source toward the distal end of the indicating unit can be guided upward by the surface facing the tapered dial. It can be visually recognized so that the front-end | tip may light-emit. Further, the amount of light can be adjusted by the inclination of the surface on the side away from the dial, and the appropriate amount of light can be visually recognized. Therefore, the position indicated by the tip of the pointer can be easily recognized and a sharp feeling can be obtained in the light emission of the pointer, thereby giving the user a novel feeling and good visibility.

  According to the second aspect of the present invention, the light guided from the light source toward the tip of the pointing unit can be guided upward by the flat surface of the top of the tapered portion so that the tip of the pointing unit emits light. Can be made. Therefore, the position indicated by the tip of the pointer can be easily recognized and a sharp feeling can be obtained in the light emission of the pointer, thereby giving the user a novel feeling and good visibility.

  An indicator of an instrument device according to an embodiment of the present invention will be described with reference to FIGS. A pointer (hereinafter simply referred to as a pointer) 2 of the instrument device shown in FIG. 1 according to an embodiment of the present invention is used in a vehicle combination meter 1 as the instrument device shown in FIG.

  The vehicle combination meter 1 is a device that is mounted on a moving body such as an automobile and displays the state of the moving body to an occupant of the moving body. As shown in FIG. 5, the vehicle combination meter 1 includes a casing 3 as an instrument case, a display instrument 4, a dial 6, a dial plate 10, and a transparent cover 11.

  The casing 3 includes a front case 3a and a back case 3b. The front case 3a is formed of a synthetic resin or the like in a case shape having an opening on the passenger side of the moving body. A mounting surface 3c corresponding to each dial plate 6a, 6b, 6c, 6d, which will be described later, of the display instrument 4 is formed on the front case 3a. The back case 3b is formed in a case shape opened to the front case 3a side. The front case 3a is attached to the outer edge of the back case 3b, and the casing 3 is assembled. The assembled casing 3 is formed in a box shape having an opening on the passenger side of the moving body, and each dial 6a, 6b, 6c, 6d described later is attached to the attachment surface 3c.

  In the casing 3, movements 7a, 7b, 7c, and 7d to be described later, dial plate illumination LEDs (not shown) as light sources for the dial plates 6a, 6b, 6c, and 6d, etc., and a light source for the pointer 2 LED 12 for pointer illumination (shown in FIG. 3) and the like are accommodated. The casing 3 further accommodates a printed circuit board 13 that is electrically connected to the movements 7a, 7b, 7c, 7d, the dial plate illumination LED, the pointer illumination LED 12, and the like. The printed circuit board 13 is a hard board that does not have flexibility, and is mounted with electronic components such as a microcomputer for controlling operations of the movements 7a, 7b, 7c, 7d, and the like.

  The display instrument 4 includes a speedometer 4a that displays the speed of the vehicle, a tachometer 4b that displays the engine speed, a fuel gauge 4c that displays the remaining amount of fuel, and a temper that displays the temperature of the engine coolant. And a ratche gauge 4d.

  The speedometer 4a, the tachometer 4b, the fuel gauge 4c, and the temperature gauge 4d are respectively a movement 7a, 7b, 7c, 7d as an instrument unit, a pointer 2a, 2b, 2c, 2d, and a dial 6a, 6b. , 6c, 6d, etc.

  The movements 7a, 7b, 7c and 7d are connected to vehicle speed measuring means, engine speed measuring means, fuel remaining amount measuring means, cooling water temperature measuring means and the like (not shown) mounted on the vehicle, respectively. The movements 7a, 7b, 7c, and 7d include output shafts 8a, 8b, 8c, and 8d that rotate in accordance with the measurement amounts measured by these measuring units, respectively.

  The hands 2a, 2b, 2c, and 2d rotate integrally with the output shafts 8a, 8b, 8c, and 8d of the movements 7a, 7b, 7c, and 7d, respectively. And it attaches in the state in which the base 21 mentioned later was located in the center part of dial 6a, 6b, 6c, 6d. The configuration of the hands 2a, 2b, 2c, and 2d will be described later.

  The dial 6 includes a vehicle speed display dial 6a, an engine speed display dial 6b, a fuel remaining amount display dial 6c, and a coolant temperature display dial 6d. These dial plates 6 a, 6 b, 6 c, 6 d are mounted on the mounting surface 3 c of the front case 3 a and arranged in the casing 3.

  Since the dial plates 6a, 6b, 6c, and 6d have substantially the same structure, the following description will be made on behalf of the vehicle speed display dial plate 6a. The vehicle speed display dial 6a has a substantially circular planar shape. On the dial 6a for displaying the vehicle speed, a scale / character 9a for displaying the vehicle speed as a display portion is formed.

  Further, the dials 6b, 6c, and 6d each have a scale / character 9b for displaying the engine speed on the surface facing the passenger of the moving body, and a fuel for displaying the remaining amount of fuel. A scale / character 9c for displaying the remaining amount and a scale / character 9d for displaying the cooling water temperature for displaying the temperature of the cooling water are formed.

  The dial light guide plate 5 includes a vehicle speed light guide plate 5a, an engine speed light guide plate 5b, a remaining fuel light guide plate 5c, and a coolant temperature light guide plate 5d. These light guide plates 5a, 5b, 5c and 5d are provided corresponding to the respective dial plates 6a, 6b, 6c and 6d. The light guide plates 5a, 5b, 5c, and 5d are arranged between the dial plate illumination LEDs and the corresponding dial plates 6a, 6b, 6c, and 6d. Each of the light guide plates 5a, 5b, 5c, and 5d guides light from the LED for illuminating the dial plate to each of the dial plates 6a, 6b, 6c, and 6d.

  With the above-described configuration, the display instrument 4 rotates the output shafts 8a, 8b, 8c, 8d and the hands 2a, 2b, 2c, 2d according to the measurement amount measured by the above-described measuring means. The pointers 2a, 2b, 2c, and 2d indicate the status of the automobile to the occupant of the moving body by indicating the scales 9a, 9b, 9c, and 9d on the dial plates 6a, 6b, 6c, and 6d, respectively. .

  The facing plate 10 is arranged on the passenger side of the moving body of the dial plates 6 a, 6 b, 6 c, 6 d, that is, on the front side, and is attached to the front case 3 a provided with the opening of the casing 3. The facing plate 10 includes a speedometer exposure window 10a, a tachometer exposure window 10b, and a fuel gauge exposure window (not shown) that expose the dials 6a, 6b, 6c, and 6d to the occupants of the moving body, respectively. A temperature gauge exposure window 10d. The facing plate 10 shields parts other than the display part such as the display instrument 4 from the occupant of the moving body.

  The transparent cover 11 is formed in a plate shape and is made of a resin having transparency. The transparent cover 11 is attached to the occupant side, that is, the front surface side of the moving body of the facing plate 10. The transparent cover 11 covers the facing plate 10 so as to close the opening, and prevents dust and the like from entering the vehicle combination meter 1.

  Since the above-described hands 2a, 2b, 2c, and 2d have substantially the same structure, the speedometer hands 2a (hereinafter simply referred to as hands 2) will be representatively shown in FIGS. Will be described with reference to FIG.

  The pointer 2 is rotated by the movement 7a in accordance with the measurement amount measured by each measurement means, and displays the measurement amount in cooperation with the scale / character 9a provided on the dial 6a. As shown in FIG. 1, the pointer 2 includes a pointer main body 20 and a pointer rod 40 to which the pointer main body 20 is attached and attached to the output shaft 8a.

  As shown in FIG. 1, the pointer 2 includes a pointer main body 20 formed from a light-transmitting light guide material such as acrylic resin, a pointer rod 40, and a pointer cap 30 attached to the pointer rod 40. And a balance weight 38.

  The pointer rod 40 is made of a non-permeable resin material or the like, and includes a disk-shaped disk portion 41, a fitting tube portion 42, and the like as shown in FIG. The disc portion 41 is formed with a body fitting hole 43 through which the base portion 21 to be described later of the pointer main body 20 is fitted to fix the pointer main body 20 through the disc portion 41. The disk portion 41 is formed with a pair of body positioning holes 44 for positioning the pointer main body 20 so as to penetrate the disk portion 41.

  Further, the disc portion 41 is formed with a fitting tube portion 42 that extends from the disc portion 41 toward the dial 6 a side in a cylindrical shape. An output shaft 8a of the movement 7a is inserted into the fitting tube portion 42. In addition, a pair of locking claws 45 protruding outward from the outer circle of the disk portion 41 are provided in the disk portion 41 so as to sandwich the fitting tube portion 42. When the pointer cap 30 is attached to the pointer collar 40, the pair of locking claws 45 are locked with a locking claw receiving portion 36 described later of the pointer cap 30.

  Further, as shown in FIG. 1, the disc portion 41 is provided with a stepped portion 46 on the side facing the main body fitting hole 43 with the fitting tube portion 42 interposed therebetween, and a balance weight 38 is provided on the stepped portion 46. Stacked and attached.

  The pointer cap 30 is made of a non-permeable resin material or the like, and has an upper wall portion 31 and a peripheral wall 32. As shown in FIG. 1, the upper wall portion 31 is provided with a step in the direction away from the peripheral wall 32 on the surface of the upper wall portion 31, and the step is described later in the center of the upper wall portion 31. It is formed in the radial direction so that the base 21 passes. The pointer cap 30 is integrally provided with a main body positioning pin 34 that extends from the upper wall portion 31 toward an opening formed by being surrounded by the peripheral wall 32. A pair of main body positioning pins 34 are provided and engage in a pair of main body positioning holes 44 provided in the disk portion 41 of the pointer rod 40, respectively.

  The pointer cap 30 is mounted so as to cover a later-described base portion 21 of the pointer main body 20 fixed to the main body fitting hole 43 of the pointer rod 40. At this time, the main body positioning pin 34 engages with the main body positioning hole 44. And the front-end | tip part exposed to the lower surface side of the pointer | guide 2 from the main body positioning hole 44 of the main body positioning pin 34 is heated up, and it is once fuse | melted. Thereafter, it is pressed against the pointer rod 40 to be deformed and then cured. Thus, the pointer cap 30 and the pointer rod 40 are fixed to each other.

  Further, as shown in FIG. 1, the pointer cap 30 is provided with a weight holding pin 35 and a notch 33. The weight holding pins 35 extend from the upper wall portion 31 of the pointer cap 30 toward the opening and are integrally formed with the pointer cap 30, and a pair of weight holding pins 35 is sandwiched between the portions of the upper wall portion 31 where the step is provided. Is provided. The pair of weight holding pins 35 are respectively engaged with a pair of holes 39 provided in the balance weight 38 so that the balance weight 38 is interposed between the upper wall portion 31 of the pointer cap 30 and the step portion 46 of the pointer rod 40. Hold. The upper wall portion 31 is fixed to the upper surface of the step portion 46 of the pointer rod 40 by the step.

  As shown in FIG. 1, the cutout 33 is formed by cutting out a part of the peripheral wall from the edge of the peripheral wall 32 toward the upper wall portion 31. The notch 33 is formed in a size that allows an instruction portion 24 (described later) of the pointer main body 20 to which the pointer cap 30 is attached to pass.

  In the pointer cap 30 described above, the weight holding pin 35 and the notch 33 are arranged at positions facing each other across the center of the upper wall portion 31. With such a configuration, the balance weight 38 and the indicator portion 24 that protrudes outward through the notch 33 are balanced, and the center of gravity of the pointer 2 in the longitudinal direction is adjusted.

  With the configuration described above, the pointer main body 20 covers the base 21 of the pointer main body 20 with the pointer cap 30 and the pointer rod 40 sandwiched therebetween. The pointer cap 30 and the pointer rod 40 support the pointer body 20 so as to rotate integrally with the output shaft 8a of the movement 7a, for example, by fitting the output shaft 8a into the fitting tube portion 42 of the pointer rod 40. . At this time, the base 21 forms the rotation center of the pointer main body 20.

  The pointer main body 20 is formed of a translucent resin material or the like, and, as shown in FIG. 1 or FIG. 2, a base portion 21 that rotates integrally with the output shaft 8a of the movement 7a, and the base portion 21 to the base portion. An indicator 24 formed so as to taper toward the outer peripheral direction of 21, a light receiving surface 22 that receives light from the pointer illumination LED 12, and light incident from the light receiving surface 22 is indicated by the indicator 24. Are integrally provided with a reflecting surface 23 that reflects light and a tip 25 that is provided at the end of the pointing portion 24 in the distal direction.

  The base portion 21 is provided with a light receiving surface 22 that is formed in a quadrangular prism shape and receives light incident from the pointer illumination LED 12 on a surface facing the dial. Further, as shown in FIG. 1, a positioning piece 26 protruding outward is connected to the base portion 21. The positioning piece 26 is disposed at a position facing the instruction portion 24 with the base portion 21 in the center. A pair of through holes 27 are formed in the positioning piece 26. The pair of body positioning pins 34 formed in the pointer cap 30 are engaged with the pair of through holes 27, respectively.

  The positioning piece 26 is engaged with the pair of body positioning pins 34 in the pair of through holes 27, so that the pointer body 20 is moved between the pointer cap 30 and the pointer rod 40 together with the body fitting hole 43. Position and fix.

  The reflection surface 23 is provided on the base 21. The reflecting surface 23 is disposed at a position facing the light receiving surface 22 and is formed so as to be gradually inclined away from the output shaft 8a of the movement 7a as the distance from the dial 6a increases. The reflecting surface 23 reflects the light incident from the light receiving surface 22 toward the tip of the pointing unit 24. The reflecting surface 23 reflects the light toward the second reflecting surface 24 b of the instruction unit 24.

  The instruction part 24 is formed so as to be gradually thinner as it is separated from the base part 21. As shown in FIG. 2, the instruction unit 24 includes a second reflecting surface 24 b that faces the dial 6 a when the pointer main body 20 is attached to the output shaft 8 a.

  The second reflecting surface 24b further reflects the light incident from the pointer illumination LED 12 and reflected by the reflecting surface 23, and emits the light from the surface 24a of the pointing unit 24 toward the transparent cover 11, that is, the occupant side.

  As shown in FIG. 3, the tapered portion 25 is provided at an end portion of the instruction portion 24 on the side away from the base portion 21, that is, a tip portion of the instruction portion 24. The tapered portion 25 is formed in a quadrangular pyramid shape so as to become thinner in the distal direction.

  As shown in FIG. 3 or FIG. 4, the tapered portion 25 has an inclination angle inclined in the direction of the central axis of the indicating portion 24 of the surface 25a facing the dial 6a when the pointer body 20 is attached to the output shaft 8a. Is formed so as to be larger than the inclination angle inclined in the direction of the central axis of the indicating portion 24 of the surface 25b on the side away from the dial 6a.

  The tapered portion 25 guides the light reflected by the reflecting surface 23 and incident in the direction of the tip of the indicating unit 24 to the surface 25b on the side away from the dial 6a by the surface 25a facing the dial 6a. 11. That is, it injects toward the passenger side. For this reason, when the occupant visually recognizes a lot of light incident on the distal end portion of the instruction section 24, the tip 25 of the distal end portion of the instruction section 24 is more brilliantly viewed than the instruction section 24. Moreover, it adjusts to the appropriate light quantity which a passenger | crew is easy to visually recognize with the inclination-angle of the surface 25b of the side away from the dial 6 of the taper 25. FIG.

  The tapered portion 25 has a flat surface 25 c at the top of the tapered portion 25. As shown in FIG. 4, the flat surface 25 c is formed so as to be inclined so as to approach the dial 6 a as the pointer main body 20 is attached to the output shaft 8 a as the pointer main body 20 moves away from the base portion 21. The plane 25c emits light incident on the tapered portion 25 toward the transparent cover 11, that is, the passenger side. For this reason, when the occupant visually recognizes a lot of light incident on the tapered portion 25, the tapered portion 25 is more brilliantly viewed than the instruction unit 24. That is, the front end portion of the instruction unit 24 is visually recognized.

  With the configuration described above, in the pointer 2, the light incident on the light receiving surface 22 of the base portion 21 from the pointer illumination LED 12 is reflected by the reflecting surface 23 toward the tip of the pointing portion 24. Further, the light reflected by the reflecting surface 23 toward the tip of the indicating portion 24 is emitted toward the passenger side of the automobile by the surface 25a facing the dial 6a of the tapered portion 25, and the characters of the tapered portion 25 are also emitted. The emitted light is adjusted to an appropriate amount of light that is easily visible to the occupant by the surface 25b on the side away from the plate 6a.

  Further, the light incident on the tapered portion 25 is emitted toward the passenger side of the automobile by the flat surface portion 25c at the top of the tapered portion 25. The emitted light is visually recognized by the passenger through the transparent cover 11. In this way, the pointer 2 shines when viewed from the occupant, and the tip of the pointer 2 is more brilliant, so that the occupant can surely visually recognize the position indicated by the tip of the pointer 2. It is possible to grasp the position indicated by the tip, that is, the instruction unit 24. Thus, the occupant can grasp the measurement amounts detected by the various detection means of the automobile and can grasp various situations of the automobile.

  In addition, embodiment mentioned above only showed the typical form of this invention, and this invention is not limited to embodiment. That is, various modifications can be made without departing from the scope of the present invention.

It is a perspective view which decomposes | disassembles and shows the pointer | guide of the meter apparatus concerning one Embodiment of this invention. FIG. 2 is a perspective view of a pointer shown in FIG. 1. It is sectional drawing which follows the VV line in FIG. [A] is a partially enlarged view of the tip of the pointer shown in FIG. [B] is a cross-sectional view of [a]. It is a perspective view which decomposes | disassembles and shows the vehicle combination meter in which the pointer | guide shown by FIG. 1 is used.

Explanation of symbols

1 Vehicle combination meter (instrument equipment)
2 Pointer 3 Casing (instrument case)
6a, 6b, 6c, 6d Dial 7a, 7b, 7c, 7d Movement (instrument unit)
8a, 8b, 8c, 8d Output shaft 9a, 9b, 9c, 9d Scale / character (display)
20 Pointer body 21 Base 22 Light receiving surface 23 Reflecting surface 24 Pointer 25 Pointer 25a, 25b Surface 25c Plane

Claims (2)

Used in an instrument device that includes an instrument case that houses an instrument unit whose output shaft rotates according to the measurement amount, and a dial plate that has a display unit that indicates the status of the moving object. In the pointer of the instrument device so that the occupant of the moving body can visually recognize the measurement amount by shining
Having a pointer body made of translucent material,
A base that is attached to the output shaft and rotates when the output shaft rotates, and a pointing portion that extends from the base toward the outer periphery of the base and indicates an index of the dial And a light receiving surface that receives light from the light source provided at the base, and a reflection surface that is provided at the base and reflects light incident from the light receiving surface toward the tip of the pointing portion. Prepared,
The end portion of the pointing portion on the side away from the base portion is provided with a tapered detail formed in a quadrangular pyramid shape so as to be thin in the distal direction, and a surface of the tapered surface facing the dial is provided. An inclination angle that inclines in the central axis direction of the indication portion is formed to be larger than an inclination angle that inclines in the central axis direction of the indication portion on the surface on the side away from the dial. Guidelines for instrumentation. The taper has a flat surface on top of the taper;
The indicator of the instrument device according to claim 1, wherein the flat surface is formed to be inclined so as to approach the dial as the distance from the base portion increases.

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