JP2007101195A - Assembling structure in measuring instrument - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the assembling structure of an instrument capable of stably assembling the instrument by improving the assembling workability of the instrument with a case of an instrument, a cover plate, and a visor. <P>SOLUTION: The instrument is constituted with: a case 1 for housing the instruments; a cover plate 11 for covering the front opening side of the instrument case 1; and a visor 12 for covering the peripheral part of the cover plate 11. The assembling structure is constituted as follows: a lock part 14 is provided on the proper part on the periphery of the case 1 of the instrument, and a locking piece 15 capable of elastic deformation for locking with the locking part 14 is provided on the visor 12, and the guide part 16 is provided adjacent to the locking part 14 on the surrounding the cover plate 11. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an assembling structure in an instrument device that accommodates instruments mounted on, for example, an automobile.

Conventionally, instrument devices such as speedometers, tachometers, thermometers, and alarm devices for notifying the driver of the status of various devices as instrument devices installed in automobiles, motorcycles, etc. It is stored in. In this case, the instrument case that houses the instruments, alarm devices, etc. is covered with a transparent cover plate made of a synthetic resin material so that dust does not enter from the upper surface side of the instruments, etc. ing. Further, a visor (cluster) is provided on the peripheral portion of the cover plate of the instrument case so as to cover the peripheral surface portion of the instrument case and to make it look good or to improve the appearance. In this case, the assembly structure of the instrument case, the cover plate side, and the visor side of the instrument device is fixed and held via a fixing member such as a screw.
Japanese Utility Model Publication No. 63-170713 Japanese Utility Model Publication No. 63-7315

  By the way, in the instrument devices such as Patent Document 1 and Patent Document 2 described above, the assembly structure of the instrument case, the cover plate side, and the visor side of the instrument device must be fastened and fixed with a fixing member made of another component such as a screw. In addition, there is a problem that the cost is high and the assembling work is troublesome.

  Considering this point, an engaging protrusion is provided on one instrument case side without providing a separate part, an engaging piece that can be elastically deformed is provided on the other cover plate, visor, etc., and the engaging piece is engaged. An assembly structure has been proposed that engages and engages with a mating protrusion to prevent it from coming off.

  However, in the assembly structure including the engagement protrusion and the engagement piece described above, the engagement piece abuts against a member on the other side, so that the assembly workability cannot be performed satisfactorily. The piece may break.

  Accordingly, the present invention addresses the above-described problems, and improves the assembly workability of the instrument case with the instrument case, the cover plate, and the visor, and enables the assembly of the instrument device in a stable manner. The purpose is to provide.

  In order to solve the above-described problems, the present invention provides, in claim 1, an instrument case that houses instruments, a cover plate that covers the front open side of the instrument case, and a visor that covers the peripheral portion of the cover plate. In the meter device, a locking portion is provided at an appropriate position on the peripheral surface portion of the meter case, and an elastically deformable engagement piece for engaging and holding the locking portion is provided in the visor, An assembly structure in an instrument device, wherein a guide guide portion is provided on a peripheral surface portion at a position adjacent to the position of the locking portion.

  According to a second aspect of the present invention, in the assembly structure of the instrument device according to the first aspect, the guide guide portion is formed by a projecting portion that inclines following the peripheral surface portion of the instrument case. Is.

  According to a third aspect of the present invention, in the assembling structure of the instrument device according to the first or second aspect, the engagement pieces provided on the visor are provided on both sides or one side of the locking portion. It is characterized in that a guide wall is provided for positioning when assembled and held in the part.

  According to a fourth aspect of the present invention, in the assembling structure in the instrument device according to the third aspect, a contact portion for abutting and placing the visor at a predetermined position is provided at a tip portion of the guide wall. It is what.

  In the present invention, in an instrument device comprising an instrument case that houses instruments, a cover plate that covers a front open side of the instrument case, and a visor that covers a peripheral portion of the cover plate, the peripheral surface portion of the instrument case A locking portion is provided at an appropriate position, and an elastically deformable engagement piece for engaging and holding the locking portion is provided in the visor, and a peripheral surface portion of the cover plate is adjacent to the position of the locking portion. Since this is an assembly structure in an instrument device characterized in that a guide guide portion is provided at a location, when the visor is assembled and fixed to the instrument case side, the engagement piece provided on the visor is attached to the peripheral surface portion of the cover plate. It moves to the instrument case side while riding along the provided guide guide part, and the engagement piece provided on the visor is fitted to the engaging part provided on the peripheral surface portion of the instrument case. It is those in which the over scan side and the visor side is satisfactorily fixed and held, thereby achieving the intended purpose.

  According to a first aspect of the present invention, there is provided an instrument device comprising an instrument case for storing instruments, a cover plate covering a front open side of the instrument case, and a visor covering a peripheral portion of the cover plate. A locking portion is provided at an appropriate position on the peripheral surface portion, and an elastically deformable engagement piece for engaging and holding the locking portion is provided on the visor, and the locking portion is provided on the peripheral surface portion of the cover plate. Since it is an assembly structure in an instrument device characterized by providing a guide guide portion at a location adjacent to the position, when the visor is assembled and fixed to the instrument case side, the engagement piece provided on the visor is attached to the cover plate. It moves to the instrument case side while riding along the guide guide part provided on the peripheral surface part, and the engagement piece provided on the visor is fitted to the locking part provided on the peripheral surface part of the instrument case. And is intended where the instrument case side and the visor side is satisfactorily secured holding, it is capable of a better workability of assembling together can solve in advance also a problem that damage the engaging piece.

  The assembly structure of the instrument device according to claim 1, wherein the guide guide portion is formed by a projecting portion that inclines following the peripheral surface portion of the instrument case, thereby providing an engagement provided on the visor. When the piece moves along the guide guide portion provided on the peripheral surface portion of the cover plate and moves to the instrument case side, the engagement piece smoothly engages along the protruding portion that inclines along the peripheral surface portion of the instrument case. Since it is possible to get on and move, assembly workability can be improved. (Claim 2)

  Further, in the assembling structure in the instrument device according to claim 1 or 2, the engaging pieces provided on the visor are assembled and held in the engaging part on the instrument case side on both sides or one side of the engaging part. By providing a guide wall for positioning when performing the operation, the engagement piece provided on the visor can be assembled along the guide wall while guiding it, so that the assembly workability can be further improved. . (Claim 3)

  Further, in the assembling structure in the instrument device according to claim 3, a visor and an instrument case are provided at a tip portion of the guide wall by providing an abutting portion for abutting and arranging the visor at a predetermined position. There is an effect that the visor can be assembled and held at a predetermined position by the abutting portion of the tip portion of the guide wall provided on the instrument case side after assembling. (Claim 4)

  Hereinafter, based on the attached drawings, an embodiment in which the instrument device of the present invention is applied to an indicating instrument for a vehicle will be described.

  A first embodiment of the present invention is shown in FIGS. This type of instrument device includes an indicator instrument consisting of a speedometer in the center, an indicator instrument consisting of a tachometer on the right side, an indicator instrument consisting of a fuel gauge and a thermometer on the left side, a mileage indicator, a gear position indicator, Various detection indicators and the like are arranged, and each is accommodated in the instrument case 1.

  In this case, in the indicating instrument consisting of a speedometer located in the center of FIG. 1, as shown in FIG. 2, the measuring instrument main body 2 is accommodated in the measuring instrument case 1. A pointer 4 that rotates about the pointer shaft 3 as an axis is press-fitted and fixed to the tip end side of the provided pointer shaft 3. As the pointer structure in this embodiment, a light emitting pointer 4 formed of a transparent synthetic resin such as an acrylic resin is used.

  On the back side of the pointer 4, a display board 5 provided with an indicator portion made of scales, numbers, symbols and the like is disposed. Further, a light circuit case 6 is provided on the back side of the display board 5 and a rigid circuit board 6 is provided, and a part of the instrument case 1 made of synthetic resin is formed between the circuit board 6 and the display board 5. 7 is disposed. On the circuit board 6, a light source (light emitting diode 8) for transmitting and illuminating the scale portion of the display plate 5 and numerals and the like facing the light case 7, and for emitting and illuminating the pointer 4 A pointer light source (light emitting diode 9) is mounted. The instrument body 2 that rotates the pointer shaft 3 is fixedly attached to the back side of the circuit board 6.

  Further, on the front side of the display board 5, a turn-back member 10 is provided for hiding the gap between the display board 5 and the instrument case 1, and on the front open side of the turn-back member 10, the indicator instruments are arranged. In order to prevent dust and the like from entering from the upper surface side, a cover plate 11 made of a synthetic resin material that can be seen through is covered.

    Further, an outer visor 12 is provided on the outer peripheral edge of the cover plate 11 so as to cover the peripheral surface of the instrument case 1 so as to be concealed or to have a good appearance, and the instrument case 1 is provided behind the outer visor. A rear cover 13 that covers the circuit board 6 is provided.

  Further, as an assembly structure in the instrument device according to the first embodiment, the outer visor 12 which is inclined along the depth direction of the instrument case 1 at an appropriate position on the side peripheral surface portion of the instrument case 1 and is provided with a retaining claw at the deepest portion. As a side, a contact portion 17A of the tip end portion of the guide wall is abutted with a shoulder portion (receiving portion) 15B formed so that the width dimension of the engagement piece 15 having a flat plate shape is wider on the base side than the locking hole 15A. A structure (locking portion) 14 is provided so as to come into contact, and an elastically deformable flat plate-like engagement piece 15 for engaging and holding the locking claw portion 14 is integrally projected from the inner surface side of the outer visor 12. The basic engagement mechanism is formed. In this case, the engaging piece 15 is provided with a locking hole 15A that can be engaged with the locking claw portion 14 and can be supported so as not to come off.

  Further, the peripheral surface portion of the cover plate 11 is a portion adjacent to the position of the locking claw portion 14 and follows the peripheral surface portion of the instrument case 1 so as to face the front end portion of the instrument case 1. A guide guide portion 16 composed of an inclined projecting portion is integrally provided. In this case, when the engagement piece 15 provided on the outer visor 12 rides along the guide guide portion 16 provided on the peripheral surface portion of the cover plate 11 and shifts to the instrument case 1 side, the peripheral surface portion of the instrument case 1 Thus, the engaging piece 15 can smoothly run up and move along the guide guide portion 16 formed of a projecting portion that inclines following the above, and the assembling work is performed well.

  In this first embodiment, the engaging pieces 15 provided on the outer visor 12 are positioned on both sides of the locking claw portions 14 provided on the instrument case 1 and are connected to the locking claw portions 14 on the instrument case 1 side. A guide wall 17 is provided for positioning (invitation) when the assembly is held, and the engagement piece 15 provided on the outer visor 12 can be assembled while being guided along the guide wall 17. ing.

  Further, the outer visor 12 is provided by providing a contact portion 17A for abutting and placing the outer visor 12 at a predetermined position at the tip of the guide wall 17 provided on both sides of the locking claw portion 14. And the instrument case 1 side, the outer visor 12 can be assembled and held at a predetermined position by the abutting portion 17A of the tip portion of the guide wall provided on the instrument case 1 side. At this time, as the outer visor 12 side to be disposed in contact with the contact portion 17A of the guide wall tip portion, the width of the engagement piece 15 made of a flat plate is formed wider on the base side than the locking hole 15A. The shoulder portion (receiving portion) 15B is configured to come into contact with the contact portion 17A at the tip end portion of the guide wall.

  In the first embodiment, as shown in FIG. 4, an elastic engagement claw 11A is integrally provided on the peripheral portion of the cover plate 11, and the instrument case 1 side corresponds to the position of the elastic engagement claw 11A. Is provided with a receiving portion (window hole) 1A for locking, and is configured so that the cover plate 11 and the instrument case 1 can be firmly assembled and held by being fitted and fixed. Further, the circuit board 6 has a locking hole 6A for engaging and fixing with the elastic engagement claw 1B provided in the instrument case 1.

  In the meter device according to the first embodiment having the above-described configuration, the outer visor 12 is fixedly held particularly on the front surface side of the cover plate 11 as an assembly structure of the meter case 1, the cover plate 11 side, and the outer visor 12 side of the meter device. In this case, the engagement piece 15 provided on the outer visor 12 can move to the instrument case 1 side while riding along the guide guide portion 16 provided on the peripheral surface portion of the cover plate 11. The engagement piece 15 provided on the visor 12 is fitted to the locking claw portion 14 provided on the peripheral surface portion, and the instrument case 1 side and the visor 12 side can be fixed and held satisfactorily. The problem of damaging the engaging piece 15 can be solved in advance, and the assembly workability can be improved.

  Further, the positions when the engagement pieces 15 provided on the visor 12 are assembled and held on the locking claw portions 14 on the instrument case 1 side on both sides of the locking claw portions 14 provided on the peripheral surface portion of the instrument case 1. By providing the guide wall 17 to be combined, it is possible to assemble the engagement piece 15 provided on the visor 12 along the guide wall 17 while guiding it, so that the assembly workability can be further improved. In addition, by providing an abutting portion 17A for abutting and placing the visor 12 at a predetermined position at the tip portion of the guide wall 17, the visor 12 side, in this embodiment, the outer visor A contact portion 17A at the distal end portion of the guide wall is formed by a shoulder portion (receiving portion) 15B in which the width dimension of the flat plate-like engagement piece 15 provided on the 12 side is formed wider on the base side than the locking hole 15A. Abut It can be held assembled visor 12 in place by abutment 17A of the guide wall tip portion provided on the instrument case 1 side by configured. In addition, although the guide wall 17 was provided in the both sides of the nail | claw part 14 for latching, if it is provided in one side, it will have the same effect.

  The present invention is not limited to the above-described embodiment, and various modifications can be made within the scope of the gist of the present invention. For example, in the embodiment, a locking claw portion 14 is formed as a locking portion so that the locking claw portion 14 protrudes. The locking hole 15A that can be engaged with and supported by the claw portion 14 is provided. However, a locking step portion is provided as a locking portion, and the locking step portion is engaged. It is also possible to provide a structure in which an engagement piece having an engaging claw is provided to hold the engagement, and the arrangement position and the number of the engagement portions 14 and the engagement pieces 15 are the shape of the instrument device, What is necessary is just to arrange | position according to a magnitude | size.

  In addition, as described in detail in the above-described embodiments, the instrument device has been described by taking the indicator instrument for the vehicle as an example. However, the instrument device is not limited to the instrument for the vehicle, but may be applied to the instrument for ships or the instrument of agricultural machinery. Is possible.

FIG. 1 is a front view showing an instrument device according to a first embodiment of the present invention. FIG. 2 is a cross-sectional view showing a portion along line AA in FIG. FIG. 3 is an enlarged exploded perspective view showing a main part of the instrument device of FIG. FIG. 4 is a cross-sectional view showing a portion taken along line BB of FIG.

Explanation of symbols

1 Instrument case 1A Locking receiving part (window hole)
1B Elastic engagement claw 2 Instrument body 3 Pointer shaft 4 Pointer 5 Display board 6 Circuit board 6A Locking hole 7 Light case 8 Light source (light emitting diode)
9 Light source for pointer (light emitting diode)
DESCRIPTION OF SYMBOLS 10 Lookback member 11 Cover plate 11A Elastic engagement claw 12 Outer visor 13 Rear cover 14 Locking part (locking claw part)
15 engaging piece 15A locking hole 15B shoulder (receiving part)
16 Guide guide portion 17 Guide wall 17A Abutting portion

Claims (4)

  An instrument device comprising an instrument case for storing instruments, a cover plate covering the front open side of the instrument case, and a visor covering the peripheral portion of the cover plate. A stopper is provided, and an elastically deformable engaging piece for engaging and holding the locking portion is provided in the visor, and a guide guide portion is provided at a location adjacent to the engaging portion on the peripheral surface portion of the cover plate. An assembly structure in an instrument device characterized by comprising:   The assembly structure for an instrument device according to claim 1, wherein the guide guide part is formed by a projecting part that inclines following the peripheral surface portion of the instrument case.   The guide walls for positioning when the engaging pieces provided on the visor are assembled and held on the locking portions on the instrument case side are provided on both sides or one side of the locking portions. The assembly structure in the instrument apparatus of Claim 1 or Claim 2.   The assembly structure for an instrument device according to claim 3, wherein a contact portion for abutting and arranging the visor at a predetermined position is provided at a tip portion of the guide wall.

Images