JP6447057B2 - Display device - Google Patents

Description

  The present invention relates to a display device including an information display body that displays various types of vehicle information.

  Conventionally, as this type of display device, for example, the one described in Patent Document 1 below is known. The display device described in Patent Document 1 includes a vehicle instrument mounted on a vehicle, and a translucent upper case (first display) that covers a pointer-type display unit (information display body) including a pointer and a dial. (Case body), a lower case (second case body) provided so as to be paired with the upper case, and a space portion provided between the upper case and the lower case, a main body for holding the dial And an inner case (third case body).

  In this case, eight through holes are formed at predetermined positions of the lower case, and eight boss bodies having eight screw holes are provided at the inner case portions corresponding to the eight through holes. A screw is inserted into each through hole, and a screw portion of each screw protruding from each through hole is screwed into each screw hole, so that the lower case and the inner case use eight screws. Screwed.

  Further, four boss bodies having four screw holes are formed on the periphery of the upper case, and four horizontal projecting portions are formed on the periphery of the lower case at positions corresponding to the four boss bodies. In each horizontal overhang, four through holes are formed at positions corresponding to the four screw holes, and in the same manner as described above, the four screws pass through the four through holes. By screwing into the four screw holes, the upper case and the lower case are screw-fixed using four screws.

JP 2011-46292 A

  However, in the case of the display device described in Patent Document 1, four screws are required to assemble the upper case (first case body) and the lower case (second case body), and the lower case (second case). The case body) and the inner case (third case body) are assembled with eight screws.

In other words, a total of 12 screws are required to assemble the upper case, the lower case, and the inner case, which increases the number of parts that make up the display device, resulting in increased assembly and parts costs. It was the cause of up. Further, there are 12 screw mounting locations, and there is a problem that the mounting workability when mounting the three members becomes complicated, and there is still room for further improvement in this respect.
Accordingly, the present invention is directed to providing a display device capable of improving the assembly workability in assembling the first to third case bodies in order to cope with the above-described problems.

The present invention includes a translucent first case body that covers an information display body, a second case body that is provided to make a pair with the first case body, the first case body, and the first case body. In a display device including a third case body positioned in a space provided between the two case bodies, a first screw hole through which a screw passes is provided in a peripheral portion of the first case body. The second case body has a second screw hole provided at a position corresponding to the first screw hole, and the third case body has a main body portion for holding the information display body, And a third screw hole that communicates with the first screw hole and the second screw hole, and the first screw hole is provided in the projecting part. The first case body and the second case are passed through a screw fixing portion including the second screw hole and the third screw hole. When the scan body and is fixed with the screw, the a structure in which the projecting portion is interposed in said first case member and the second case body and between, and normal vision the display from the viewing side The peripheral portion of the second case body that does not overlap with the overhanging portion is provided with a first groove portion for disposing the required portion of the buffer member, and the overhanging portion includes the required portion. A second groove portion is provided for disposing a part of the buffer member except for the first groove portion, and the second groove portion is in a positional relationship so as to be continuous with the first groove portion .

  ADVANTAGE OF THE INVENTION According to this invention, the initial purpose can be achieved and the display apparatus which can improve an assembly workability | operativity can be provided in assembling the 1st-3rd case body.

1 is a front view of a display device according to an embodiment of the present invention. AA sectional drawing of FIG. The perspective view which shows a part of 2nd case body and a part of 3rd case body by the same embodiment.

  Hereinafter, based on FIGS. 1-3, one Embodiment which applied embodiment of this invention to the vehicle meter mounted in a vehicle is described.

  1 and 2, a vehicle meter as a display device (vehicle display device) in the present embodiment is for displaying an information display body 10 for displaying various vehicle information and a visible region of the information display body 10. The facing member 20, the translucent first case body 30 covering the front side of the facing member 20 (information display body 10), and the second case body provided to make a pair with the first case body 30 40, the third case body 50 located in the space S provided between the first case body 30 and the second case body 40, and the back surface of the main body 51 using appropriate fixing means. Circuit board 60 and buffer member 70 are provided.

  The information display body 10 includes, for example, a pointer 11 as an instrument guide extending linearly and an indicator plate 12 as an instrument dial having an indicator portion (not shown) such as a scale indicated by the indicator 11. The pointer type display unit 13 can be applied.

  The pointer 11 is attached to the tip of a driving shaft of a stepping motor (pointer driving means) (not shown) mounted on the circuit board 60, and rotates on the indicator plate 12 according to the measurement amount. A viewer visually recognizing the vehicle instrument can grasp a measured value (for example, vehicle speed information) by comparing and interpreting the pointer 11 and the indicator portion.

  The facing member 20 is formed of, for example, a black synthetic resin material, and has an opening window 21 for exposing the pointer 11 and the indicator plate 12.

  The first case body 30 includes an upper case as a see-through panel formed of a light-transmitting synthetic resin material, and extends sideways from the front wall portion 31, the side wall portion 32, and the lower end side of the side wall portion 32. The flange portion 33 and the hanging portion 34 are integrally formed. Here, a plurality of (for example, four) flanges 33 are formed as shown in FIG.

  A viewer who views the vehicle instrument from the front can visually recognize the pointer 11 and the indicator plate through the front wall portion 31 of the first case body 30 and the opening window 21 of the turning member 20. In this case, first screw holes 35 each formed of a circular through hole through which the screw B passes are provided in the peripheral portion of each flange portion 33 of the first case body 30.

  The drooping portion 34 is a drooping wall that is drooped downward from the outer edge of the flange portion 33 and is provided so as to cover the outer surface of a later-described bulging portion of the second case body 40. Reference numeral 36 denotes a pressing rib disposed in a second groove portion described later provided in the third case body 50 and disposed in a first groove portion described later provided in the second case body 40. is there.

  The second case body 40 is formed of a synthetic resin material, and includes a lower case that accommodates the indicator plate 12, the third case body 50, and the circuit board 60.

  The second case body 40 includes a bottom surface portion 41 covering the back of the circuit board 60, a side surface portion 42 provided so as to correspond to the side wall portion 32 of the first case body 30, and the first case body 30. A plurality of bulging portions 43 provided so as to correspond to the flange portions 33 are integrally formed, and the number of the bulging portions 43 is four, which is the same as the number of the flange portions 33 formed. .

  The bulging portion 43 includes a first placement portion 44 provided at a position corresponding to the first screw hole 35, and a second placement portion located between the first placement portion 44 and the side surface portion 42. 45 and a substantially semi-annular standing wall portion 46 provided so as to surround the first placement portion 44, and a second placement portion 45 is provided so as to be continuous with the side surface portion 42. The first placement portion 44 extends outside the second placement portion 45 (see FIG. 3).

  The first placement portion 44 includes a support portion for placing (supporting) a first overhang portion, which will be described later, provided in the third case body 50, and each first screw hole is provided at a substantially central portion thereof. Four second screw holes 47 as screw screw portions provided at positions corresponding to 35 are provided. Thus, in the case of this example, the first placement portion 44 in the second case body 40 has the second screw hole 47 provided at a position corresponding to the first screw hole 35.

  The second placement portion 45 includes a support portion for placing (supporting) a second overhang portion (described later) provided in the third case body 50, and the front wall portion of the second placement portion 45 is the first placement portion. It is one step lower than the front wall of 44.

  In addition, 48 is the 1st groove part which consists of a hollow shape (recessed part shape) for arrange | positioning the principal part (required part) of the buffer member 70, and this 1st groove part 48 is for vehicles from the viewer side. It is provided in the peripheral part location of the 2nd case body 40 which does not overlap with the overhang | projection part mentioned later with which the 3rd case body 50 is equipped when the instrument is viewed straight.

  The third case body 50 is formed of, for example, a white synthetic resin material having high light reflectivity, and a main body 51 that holds the information display body 10 (index plate 12), and a circuit from the outer periphery of the main body 51. A drooping wall portion 52 that hangs down toward the substrate 60 side, four overhang portions 53 provided to correspond to the four bulging portions 43 provided in the second case body 40, and a drooping wall portion 52 and four connecting portions 54 for connecting the overhang portions 53 are integrally formed.

  The main body 51 mainly serves as a holding body for holding the indicator plate 12 and reflects and guides illumination light from a light source (not shown) mounted on the circuit board 60 toward the indicator plate 12 side. And has a function as a reflector.

  The individual (plural) overhanging portions 53 extend around the main body portion 51, and the first overhanging portion 55 as a placement portion placed by the first placement portion 44, And a second overhanging portion 56 as another placement portion placed by the second placing portion 45. In this case, the second overhanging portion 56 is connected to the connecting portion 54, and the second overhanging portion 56 is connected. A first projecting portion 55 extends outside the projecting portion 56.

  The first overhang portion 55 in the overhang portion 53 is formed of a thin portion provided so as to correspond to each of the first placement portions 44, and the first screw hole 35 and the second screw hole are formed in the substantially central portion thereof. A third screw hole 57 formed of a circular through hole communicating with 47 is provided.

  The second overhanging portion 56 is provided so as to correspond to each of the second placement portions 45, and the plate thickness thereof is slightly larger than the plate thickness of the first overhanging portion 55. The second overhanging portion 56 of the overhanging portion 56 has a recess shape (concave shape) for arranging (embedding) a part of the buffer member 70 excluding the main portion (the required portion). When the three cases of the first case body 30, the second case body 40, and the third case body 50 are fixed with screws B, the second groove portion 58 is formed. The positional relationship is continuous with the first groove 48.

  The circuit board 60 is formed of a hard wiring board provided with a predetermined wiring pattern, and the pointer driving means, the light source, and various electronic components such as a resistor and a capacitor are electrically connected to the wiring pattern.

  The shock-absorbing member 70 is made of a long and slender string-like waterproof packing having elasticity, and in this case, a material that is not interrupted at all can be applied. The buffer member 70 is configured to be pressed from above by the pressing rib 36 when the three screws are fixed using the screw B.

  A vehicle instrument is constituted by the above-described units. Next, paying attention to the three cases of the first case body 30, the second case body 40, and the third case body 50, an assembly example of the three cases will be described.

  First, the second case body 40 and the third case body are arranged such that the four bulging portions 43 and the four overhanging portions 53 and the four second screw holes 47 and the four third screw holes 57 face each other. 50 and the third case body 50 (or the second case body 40) in parallel until the overhang portions 55 and 56 are placed on the placement portions 44 and 45, respectively. Move. At this time, the second groove portion 58 is connected to the first groove portion 48, and the third screw holes 57 are connected to the second screw holes 47, so that the tension is placed on the mounting portions 44, 45. The exit portions 55 and 56 are placed.

  Next, the required portion of the buffer member 70 is disposed (embedded) in the first groove portion 48 and a part of the buffer member 70 excluding the required portion is disposed (embedded) in the second groove portion 48.

  Next, the upper case 30 so that the four flange portions 33 and the four bulging portions 43, the four first screw holes 35 and the four second screw holes 47, and the pressing rib 36 and the buffer member 70 face each other. And the third case body 50 supported by the second case body 40, and the first case until each flange portion 33 is placed on each overhang portion 55, 56 from that state. The body 30 is translated. At this time, each first screw hole 35 communicates with each third screw hole 57, the hanging part 34 covers the outer surface of the bulging part 43, and the pressing rib 36 is embedded in each of the groove parts 48 and 58. As described above, the flanges 33 are placed on the overhang portions 55 and 56.

  Finally, the screw portions of the four screws B are penetrated (inserted) into the first screw hole 35 and the third screw hole 57, and the screw portions of the four screws B passing through the third screw hole 57 are passed through the second screw hole 47. As a result, the projecting portion 53 is sandwiched between the flange portion 33 and the bulging portion 43, whereby the assembly of the three members using the four screws B is completed.

  In other words, this means that the flange 33 (first case body 30) and the bulging portion 43 (through the screw fixing portion F including the first screw hole 35, the second screw hole 47, and the third screw hole 57 ( When the second case body 40) is fixed with four screws B, the flange 33 (first case body 30) and the bulging portion 43 (second case body 40) are interposed. This means that the overhang portion 53 is configured to be sandwiched (clamped).

  When the three members are assembled with the screw B, the buffer member 70 is embedded in a compressed state on the lower end side of each of the groove portions 48 and 58 by the pressing force from the pressing rib 36. There is an advantage that moisture or the like can be prevented from entering the water and the waterproof property can be improved.

  As described above, in the present embodiment, the first screw hole 35 through which the screw B passes is provided in the peripheral portion of the first case body 30 (the flange portion 33). The third case body 50 has a main body part 51 for holding the information display body 10 and a tension extending around the main body part 51. The second case 47 has a second screw hole 47 provided at a position corresponding to the screw hole 35. A third screw hole 57 communicating with the first screw hole 35 and the second screw hole 47 is provided in the overhang part 53 (first overhang part 55). When the first case body 30 and the second case body 40 are fixed by the (four) screws B through the screw fixing portion F including the 35, the second screw hole 47, and the third screw hole 57. The overhang portion 53 is sandwiched between the flange portion 33 (first case body 30) and the bulging portion 43 (second case body 40). In which was formed.

  Therefore, when assembling the first case body 30, the second case body 40, and the third case body 50, the second case body and the third case body are assembled as in the prior art. Eight screws are not necessary, and the three cases can be connected to each other with only four screws B used for assembling the first case body 30 (the flange portion 33) and the second case body 40 (the bulging portion 43). Therefore, it is possible to provide a display device capable of suppressing an increase in cost and improving assembly workability.

  In the present embodiment, the required portion of the buffer member 70 is disposed on the peripheral portion of the second case body 40 that does not overlap the overhanging portion 53 when the vehicle instrument is viewed from the viewer side. The first groove portion 48 is formed, and the second overhang portion 56 (the overhang portion 53) is formed with a second groove portion 58 for disposing a part of the buffer member 70 excluding the required portion. The second groove portion 58 has a positional relationship such that it is continuous with the first groove portion 48, so that a buffer member 70 as a waterproof packing is embedded in each groove portion 48, 58 inside the screw fixing portion F. As a result, there is an advantage that moisture or the like can be reliably prevented from entering the space S from the outside of the apparatus and the waterproofness can be improved.

  Further, in the present embodiment, the example in which the first case body 30 and the second case body are screw-fixed to the four cases using the screws B has been described. The structure which the 1st case body 30 and the 2nd case body 40 are fixed using the fitting means which consists of may be sufficient.

  In the present embodiment, the example in which the bulging portion 43 and the overhang portion 53 (that is, the screw fixing portion F) are provided at four positions has been described. However, the bulge portion 43 and the overhang portion 53 (screw fixing portion) are described. The number of F) is not limited to four, and may be three, five, or six. In this case, it is desirable that the bulging portion 43 and the overhanging portion 53 be installed with an appropriate interval.

  In the present embodiment, the example in which the pointer type display unit 13 including the pointer 11 and the indicator plate 12 is employed as the information display body 10 has been described. However, for example, measurement values such as vehicle speed information are imaged as the information display body 10. It is also possible to adopt a liquid crystal display panel such as an instrument display that displays the above.

DESCRIPTION OF SYMBOLS 10 Information display body 20 Look-back member 30 1st case body 33 collar part 35 1st screw hole 36 press rib 40 2nd case body 43 bulging part 44 1st mounting part 45 2nd mounting part 47 1st Two screw holes 50 Third case body 51 Main body portion 53 Overhang portion 55 First overhang portion 56 Second overhang portion 57 Third screw hole 58 Second groove portion 60 Circuit board 70 Buffer member B Screw F Screw fixing Part S Space part

Claims (1)

A translucent first case body covering the information display body;
A second case body provided to form a pair with the first case body;
In a display device comprising a third case body located in a space provided between the first case body and the second case body,
A first screw hole through which a screw passes is provided in the peripheral portion of the first case body,
The second case body has a second screw hole provided at a position corresponding to the first screw hole,
The third case body has a main body portion for holding the information display body, and an overhang portion extending around the main body portion,
The projecting portion is provided with a third screw hole communicating with the first screw hole and the second screw hole,
When the first case body and the second case body are fixed by the screw through the screw fixing portion including the first screw hole, the second screw hole, and the third screw hole. The overhanging portion is sandwiched between the first case body and the second case body ,
A first groove for disposing a required portion of the buffer member is provided on a peripheral portion of the second case body that does not overlap the overhang when the display device is viewed from the viewer side.
The overhanging portion is formed with a second groove portion for disposing a part of the buffer member excluding the required portion.
The display device characterized in that the second groove portion is in a positional relationship so as to be continuous with the first groove portion .

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