JP4708104B2 - Meter locking structure - Google Patents

Description

  The present invention relates to a meter locking structure in which, for example, a meter case constituting a meter for a vehicle and a turn-back are assembled.

As an example of a conventional meter locking structure, as shown in FIG. 7, a box-like shape of a claw portion 21 of a facing (or front glass) 12 and a meter case (or facing) 14 arranged so as to be fitted thereto. A structure in which two members are locked by coupling with the claw receiving portion 33 is known. (For example, see Patent Document 1)
Japanese Utility Model Publication No. 61-76311

  However, in the meter locking structure as in the above-mentioned Patent Document 1, as shown in FIGS. 8 and 9, the flat portion without the claw portion 21 on the facing (or front glass) 12 side and the claw on the meter case 14 side are provided. An abnormal sound such as a rubbing sound or the like is generated at the surface contact portion 55 due to vehicle vibration between the flat portion without the receiving portion 33 and the vehicle occupant may be uncomfortable or low quality.

  In addition, as shown in FIG. 10, when the rib 56 is provided at a position away from the claw portion 21 so as to aim at point contact, the dimensional accuracy is lowered due to the influence of sink marks and warpage during molding, and in the vicinity of the claw portion 21. The surface contact portion 55 is formed, and abnormal noise is generated.

  The present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide a meter locking structure that can prevent generation of abnormal noise and ensure high quality.

1) A meter locking structure according to the present invention includes a display body for displaying the state of a vehicle, a wiring board on which electronic parts for controlling display on the display body are mounted, and a meter case for coupling and holding them. , A vehicular meter having a turn covering the display body and a front glass,
In the meter locking structure having a claw receiving portion composed of a claw portion for joining the parts to be joined consisting of the meter case, the turning and the front glass, and a box portion for receiving the claw portion ,
A part of the claw part or the claw receiving part is projected and extended to the coupling partner part side so as to be positioned in the peripheral part of the claw part insertion opening of the box part constituting the claw receiving part . A protrusion is provided, and the protrusion is brought into contact with the coupling partner part .

According to the invention described in 1) above, a part of either the claw part or the claw receiving part is placed so as to be positioned in the peripheral part of the claw part insertion port of the box part constituting the claw receiving part. Since the projecting part that extends and protrudes on the side of the mating part and the projecting part is brought into contact with the mating part , the meter case, the turnover, and the front glass are in contact only at the abutting part with a small area. In addition, the meter case, turning and the front glass are in point contact, and there is no generation of abnormal noise such as rubbing noise when the surface comes into contact. Therefore, generation of abnormal noise can be prevented and high quality can be ensured.

2) The meter locking structure according to the present invention is characterized in that, in the meter locking structure described in 1) above, the protruding portion is arranged so as to surround a part of the claw portion insertion port in the circumferential direction. Yes.

According to the invention described in 2) above, since the projecting portion is disposed so as to surround a part of the claw portion insertion opening in the circumferential direction , the front glass or the facing claw portion is placed on the facing or meter case nail holder. By engaging with the part, it is possible to make point contact by making contact with a small area at the contact part in the vicinity of the claw part and the claw receiving part, and the friction between the face glass and the turning and the turning and the meter case. Since it can be made to concentrate in a contact part, both rigidity can be improved and high rigidity can be acquired. If the contact portion is provided at a position away from the claw portion, the dimensional accuracy is lowered due to the influence of sink marks and warpage during molding, and the intended effect may not be obtained.

  According to the meter locking structure of the present invention, it is possible to solve the problem of generating an abnormal noise such as a rubbing sound due to surface contact by vehicle vibration, giving an uncomfortable feeling or low quality to a vehicle occupant, The effect of preventing the generation of abnormal noise and ensuring high quality is obtained.

DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described in detail with reference to the drawings.
FIG. 1 is an exploded perspective view of a meter assembly in which an embodiment of a meter locking structure according to the present invention is used, FIG. 2 is an exploded perspective view illustrating a combination of parts of locking portions in FIG. 1, and FIG. FIG. 4 is a horizontal sectional view of FIG. 3.

  As shown in FIG. 1, a meter assembly 10 using a meter locking structure according to an embodiment of the present invention includes a clear cover (front glass) 11, a cluster lid 12, and one display body. A dial plate 13, a meter case 14, a meter substrate 15, a rear cover 16, and an LCD assembly 18 that is one of display bodies are included.

  The clear cover 11 is made of a transparent resin and covers the front surface of the cluster lid 12 and is assembled to the cluster lid 12.

  The cluster lid 12 is formed in a bowl shape covering the periphery of the display portion of the dial 13 constituting a part of the display body 17, and a plurality of claw portions 21 are spaced toward the meter case 14 at an outer peripheral portion. The protrusion is formed.

  The dial plate 13 is made of, for example, polycarbonate, the LCD window portion 23 is arranged in the center, the speedometer 24 and the tachometer 25 are arranged on both sides, and various warning display design portions 26 including a direction indication design portion are provided. It has a horizontally long shape arranged at the top. In addition, the dial plate 13 is formed with pointer holes 29 and 30 through which the pointer rods of the pointers 27 and 28 constituting a part of the display body 17 corresponding to each meter are passed.

  The meter case 14 is made of plastic, for example, and is formed in a horizontally long dish shape corresponding to the shape of the dial 13. The meter case 14 is integrally assembled to the back cover 16 and accommodates the meter substrate 15 so as to be sandwiched from both sides. In the meter case 14, an LCD storage portion 31 formed in a square hole shape is arranged at the center corresponding to the LCD window portion 23 of the dial 13, and corresponding to various warning display design portions 26 at the upper portion. A plurality of optical path holes 32 are arranged.

  The meter case 14 has a plurality of claw receiving portions 33 that engage with the claw portions 21 of the cluster lid 12 on the outer peripheral portion, and a plurality of locking portions that are locked to the engagement protrusions 22 of the cluster lid 12. 34 on the side.

  The meter substrate 15 has a horizontally long shape that is substantially the same shape as the dial plate 13. On the meter substrate 15, electronic components (not shown) such as IC chips are attached, and a plurality of LEDs 35 corresponding to the optical path holes 32 of the meter case 14 are attached. The meter substrate 15 has four support holes 36 formed in the center thereof, and a connector 37 is mounted on the lower side of the support holes 36.

  The rear cover 16 is formed in a horizontally long dish shape, for example, made of plastic, similar to the meter case 14. The rear cover 16 is integrated with the meter case 14 so that the meter substrate 15 is sandwiched from both sides.

  The LCD assembly 18 is an LCD (Liquid Crystal Display) display device such as a liquid crystal monitor or a liquid crystal display, and displays various vehicle information when it is electrically connected to the meter substrate 15 to form a multi-information display.

  As shown in FIG. 2, the claw portion 21 of the cluster lid 12 protrudes from the outer plate 48 of the cluster lid 12 in a plate shape, and the tip portion is formed in a wedge shape and has a stepped portion 49. On the other hand, the claw receiving portion 33 of the meter case 14 is formed in the outer plate 50 of the meter case 14 in the shape of a square hole. The claw receiving portion 33 has a contact portion 51 on the cluster lid 12 side.

  Since the contact portion 51 is formed in a small protrusion shape on the rectangular edge of the outer plate 52 that forms the entire outer periphery of the claw receiving portion 33, the entire area is extremely small. At this time, as a means for reducing the contact area of the contact portion 51, rib projections or the like can be provided between the claw portions 21, but the rib projections are liable to cause sink marks or warpage during molding, and have dimensional accuracy. Since the contact portion 51 is disposed on the claw receiving portion 33, high dimensional accuracy can be obtained.

  As shown in FIGS. 3 and 4, when the cluster lid 12 is assembled to the meter case 14, each claw portion 21 of the cluster lid 12 is inserted into each claw receiving portion 33 of the meter case 14. Engaging protrusions (see FIG. 1) 22 are attached to the respective locking portions (see FIG. 1) 34 of the meter case 14. Then, when the claw portion 21 penetrates the claw receiving portion 33, the stepped portion 49 is locked to the side opposite to the cluster lid 12 of the outer plate 52, and the engagement protrusion 22 is locked to the locking portion 34, thereby the cluster lid. 12 is integrally assembled with the meter case 14, and the contact portion 51 of the claw receiving portion 33 of the meter case 14 contacts the end surface of the outer plate 48 of the cluster lid 12.

  When the cluster lid 12 is assembled to the meter case 14, the contact portion 51 of the meter case 14 contacts the outer plate 48 of the cluster lid 12, so that the outer plate 48 of the cluster lid 12 contacts the outer plate 50 of the meter case 14. It contacts only with the contact part 51 of a small area, without contacting. Thereby, the cluster lid 12 and the meter case 14 are brought into point contact via the contact portion 51 without surface contact.

  In such a meter assembly 10, the meter substrate 15 to which the LCD assembly 18 is fixed and electrically connected is assembled to the meter case 14. The dial 13 including the hands 27 and 28 is disposed on the meter case 14, the claw portions 21 of the cluster lid 12 are locked to the claw receiving portions 33 of the meter case 14, and the clear cover 11 is clustered. 12 and the rear cover 16 is assembled to the rear surface of the meter case 14.

  Then, the power connector and signal lines from various sensors are respectively electrically connected to the pressure contact connector terminals arranged on the meter substrate 15, and the meter case 14 is screwed to the instrument panel. After that, when the engine is started, the hands 27 and 28 of the speedometer 24 and the tachometer 25 start to operate through the movement circuit, the LED 35 is turned on through various warning light circuits, and through the LCD display circuit. The LCD assembly 18 displays various information.

  According to one embodiment of the meter locking structure described above, the meter case 14 and the cluster lid 12 are in point contact because the meter case 14 and the cluster lid 12 are in contact only with the contact portion 51 having a small area. No abnormal noise such as rubbing noise when contacting the surface. Thereby, generation | occurrence | production of abnormal noise can be prevented and high quality can be ensured.

  Further, by engaging the claw portion 21 of the meter case 14 with the claw receiving portion 33 of the cluster lid 12, the contact portion 51 in the vicinity of the claw portion 21 and the claw receiving portion 33 is brought into contact with a small area. Point contact can be made. Therefore, since the frictional force between the meter case 14 and the cluster lid 12 can be concentrated at the contact portion, the coupling force between the two can be improved and high rigidity can be obtained.

Next, another embodiment of the meter locking structure according to the present invention will be described with reference to FIGS.
As shown in FIG. 5, the configuration of the claw portion 21 on the cluster lid 12 side is the same, but the box-shaped claw receiving portion 33 on the meter case 14 side functions as a contact portion on both side ends on the cluster lid 12 side. A pair of projecting portions 53, 53. Since the contact area is small just by the contact of the tip of the protrusion 53 with the cluster lid 12, it is possible to prevent the generation of abnormal noise and improve the coupling force to obtain high rigidity.

  Further, as shown in FIG. 6, the box-shaped claw receiving portion 33 on the meter case 14 side does not have a contact portion, and functions as a contact portion in the vicinity of both sides of the claw portion 21 on the cluster lid 12 side. A pair of protrusions 54, 54. Since the abutting area is small just by the tip of the projecting portion 54 abutting against the meter case 14, it is possible to prevent the generation of noise and improve the coupling force to obtain high rigidity.

  In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. For example, a claw receiving part may be provided on the cluster lid, and a claw part may be provided on the meter case, contrary to the illustrated one.

  Moreover, the instrument equipped in a meter assembly is not limited to what was illustrated, For example, you may arrange | position a hydraulic meter and a water temperature meter.

1 is an exploded perspective view of a meter assembly in which an embodiment of a meter locking structure according to the present invention is used. It is a disassembled perspective view of the principal part in FIG. It is an external appearance perspective view at the time of the assembly | attachment of FIG. FIG. 4 is a horizontal sectional view of FIG. 3. It is a disassembled perspective view of other embodiment of the meter locking structure which concerns on this invention. It is a disassembled perspective view of other embodiment of the meter locking structure which concerns on this invention. It is a perspective view explaining the conventional meter locking structure. It is a side view at the time of the assembly | attachment of FIG. It is sectional drawing of FIG. It is side surface sectional drawing explaining another conventional meter locking structure.

Explanation of symbols

10 Meter assembly 11 Front glass 12 Cluster lid (look back)
14 Meter case 21 Claw part 33 Claw receiving part 51 Contact part (protrusion part)

Claims (2)

A display body for displaying the state of the vehicle, a wiring board on which electronic parts for controlling display on the display body are mounted, a meter case for coupling and holding them, a turn covering the display body, and a front glass; A vehicle meter comprising:
In the meter locking structure having a claw receiving portion composed of a claw portion for joining the parts to be joined consisting of the meter case, the turning and the front glass, and a box portion for receiving the claw portion ,
A part of the claw part or the claw receiving part is projected and extended to the coupling partner part side so as to be positioned in the peripheral part of the claw part insertion opening of the box part constituting the claw receiving part . A meter locking structure, characterized in that a protrusion is provided and the protrusion is brought into contact with the mating component . The meter locking structure according to claim 1, wherein the protruding portion is disposed so as to surround a part of the claw portion insertion opening in the circumferential direction .

Images