JPH0459431A - Illumination section of vanity mirror - Google Patents

Abstract

PURPOSE:To reduce the number of parts by forming a recess by the side of a mirror disposing part on the front face of a body, locating the front face of a transparent light conducing plate exposedly to the front face of the body to be fit in the recess and disposing a lamp opposedly to the side end face of the light conducting plate. CONSTITUTION:A window 4 disposing a mirror 23 in a body 3 is formed on both sides with vertically long recesses opening in front. A transparent light conducting plate 39 of injection molded acryl resin or the like is fixedly fitted in the recess 7 with the front face being exposed to the front face part of the body 3. A tubular lamp 52 is disposed in one of the side end faces of the light conducting plate 39 and a reflector 56 is disposed therebehind. Thus, the light of the lamp 52 enters the light conducting plate 39 from a light receiving surface 43 directly or reflectively from the reflector 56 to be reflected from engraved points 44... on the rear face and emerge forward. Thus, the number of parts is reduced and the constitution is simplified to facilitate the control of parts.

Description

DETAILED DESCRIPTION OF THE INVENTION The illumination section of the vanity mirror of the present invention will be described in detail according to the following items.

A. Industrial field of application B. Prior art C9 Problems to be solved by the invention 90 Means for solving the problems E Examples [Figures 1 to 9] a. Overview of vanity mirror b6 Pode C. Mirror d Front cover e, illumination part of vanity mirror e-1, decorative panel e-2 light guide plate e-3, light source unit e-4, decorative panel, attachment of light guide plate F7 Effects of the invention The present invention also provides a light guide plate. An object of the present invention is to provide a novel lighting section of a vanity mirror that can be easily attached to the body of the vanity mirror, and can save labor and space in parts management.

Furthermore, the present invention aims to provide a novel lighting section of a vanity mirror that allows most of the light incident on the light guide plate to be emitted from the front surface of the light guide plate, thereby making effective use of the light.

Furthermore, it is an object of the present invention to provide a novel lighting section of a vanity mirror that allows as much light emitted from a light bulb as possible to enter the light guide plate, thereby making more effective use of the light.

(A. Industrial application field) The present invention relates to a novel illumination portion of a vanity mirror.

Specifically, the object is to provide a novel illumination portion of a mirror that can reduce the number of required parts, reduce the thickness in the front-rear direction, and reduce the number of required parts.

(B, Prior Art) Is there a type of vanity mirror with a lighting section provided on the side of the mirror?A conventional vanity mirror has a recess formed on the side of the mirror, a light bulb is placed in the recess, and, The front surface of the concave portion may be covered with a lens.

In addition, there is also a device in which a light guide plate is disposed within the recess, a light bulb is opposed to the side wall of the light guide plate, and the front surface of the recess is covered with a lens.

(Problem to be solved by Invention C) In the lighting section of the conventional vanity mirror described above, in which the light bulb is placed in the concave part, the light bulb is held so that uneven brightness does not occur at the base of the lens. The socket part must be arranged so as to protrude forward from the inner surface of the recess,
There is a problem that the depth, that is, the thickness in the front-back direction increases.

In addition, in the case of using a light guide plate, a separate lens is required to cover the front surface of the recess, and a structure to support the light guide plate within the recess is also required, resulting in a large number of parts and a structurally The problem is that it gets complicated.

(D. Means for Solving the Problems) In order to solve the above-mentioned problem, the illumination part of the vanity mirror of the present invention has a recessed part formed on the front side of the body beside the part where the mirror is arranged, and inside the recessed part. A light guide plate made of a transparent 7 material is fitted and arranged on the base plate, the m-plane of the light guide plate is exposed by positioning it on the front face of the tenon, and a light bulb is placed facing on one of the side end faces of the light guide plate.b Ru.

Therefore, in the bright part of the vanity mirror of the present invention, since a light guide plate is disposed in the concave part and a light bulb is opposed to the side end face of the light guide plate, the thickness in the front and rear direction does not decrease significantly. Further, since the light guide plate is exposed at the front surface of the tenon, no separate lens is required, and the number of parts is reduced.

Further, a decorative panel is provided which is removably attached to the recess so as to be located at the front opening of the concave portion, and which surrounds the large opening, so that the decorative panel and the conductive round plate can be detachably connected to each other. The light guide plate is held on the decorative panel by using the formed engagement portions as a base, and the front surface of the light guide 15 is exposed to the outside through the opening of the decorative panel, and the decorative panel holding the light guide plate is attached to the body. In addition to arranging the light guide plate in the recess, there is no need to separately provide a structure to support the light guide plate in the recess, and the structure becomes a simple car. If so, the combination of the decorative panel and the light guide plate can be managed as a single component, making it easier to manage components such as transportation and storage, and also save space for component management. .

Furthermore, by attaching a reflective sheet to the back surface of the light guide plate, most of the light that has entered the light guide plate can be radiated from the front surface of the light guide plate, thereby making it possible to effectively utilize the light.

Furthermore, by using a light bulb as a tube and arranging a reflector so as to surround the side opposite to the end surface of the tube facing the light guide plate, as much light as possible from the light bulb is directed into the light guide plate. By allowing the light to be incident, it is possible to further utilize the light effectively.

(E. Embodiment) [FIGS. 1 to 9] The illumination section of the vanity mirror of the present invention will be described in detail below according to the illustrated embodiment.

(a. Overview of Vanity Mirror) 1 is a vanity mirror, and the vanity mirror 1 is fitted into a recess formed in a sun visor 2 provided in the interior of an automobile.

(b Pode) 3 is a Pode, which is made of a suitable thermoplastic synthetic resin.

The tenon 3 has a generally oblong rectangular plate shape, and a large oblong rectangular window 4 is formed in the portion excluding the left and right sides, and a large window 4 is formed in the rear surface between the opening edge of the window 4 and the opening edge of the window 4. A frame-shaped protrusion 5 is formed at a portion slightly spaced apart from each other, and a portion of the rear surface of the podium 3 between the opening edge of the window 4 and the protrusion 5 is a receiving edge 6. .

On both sides of the window 4 of the podium 3, vertically elongated recesses 7.7 are formed which are open to the front. Then, the recessed portion 7.
7 has a wedge-shaped lid with a wide upper end when viewed from the side. Further, at the upper ends of these recesses 7.7, open cutouts 8.8 are formed on the top surface, both side surfaces, and the rear surface.

9.9, . . . are engagement holes formed along the lower edge of the recess 7.7.

Furthermore, both left and right edges of the front opening of the recess 7.7 are shallowly cut to form seating edges 7a, 7a.

A wall 10 extending in the left-right direction is integrally erected at a position along the upper edge of the back surface of the tenon 3, and the wall 10 and the protrusion 5
Projections 11.
11.11 are integrally provided in a protruding manner.

12. 12 is a magnet arrangement recess provided by forming projecting walls on both left and right ends of the upper end of the back surface of the podium 3, and is located between the recess 12 on the right side when viewed from the back and the outer surface of the recess 7. A slight gap 13 is formed between the two.

14 is a protrusion protruding from approximately the right half of the recess 7 located on the right side when viewed from the back, near the lower end of the back;
In the protrusion 14, grooves 15.15' extending left and right are formed vertically in line, and a lower hole 16.16' is formed approximately in the middle of the valley groove 15.15'. .

Reference numeral 17 denotes a gate-shaped projection that is formed at a position slightly leftwardly away from the projection 14 on the back surface of the recess 7 on the right side when viewed from the back, and faces in the left-right direction; These are ridges formed vertically apart on the left side.

19.19, . . . are the magnet arrangement recesses 12.1
A slit extending in the vertical direction is formed in a portion corresponding to 2, and 20 is an insertion hole formed slightly below the recess 12 on the right side when viewed from the back.

A magnet 21. is placed inside the magnet placement recess 12.12.
21 and yoke plates 22, 22, . . . which sandwich these magnets 21, 21 separately from the left and right sides are arranged, and the tip portions 22a, 22a1, . . . of the yoke plates 22, 22, .
* are exposed on the front side of the POD 3 through the slits 19, 19, .

(c. Mirror) Reference numeral 23 denotes a rectangular mirror, which is positioned so as to close the window 4 of the Podium 3 from behind, and whose peripheral edge is engaged with the receiving edge 6.

Reference numeral 24 denotes a back cover made of thermoplastic synthetic resin, which is partially attached to the rear surface of the tenon 3 by heat fusion, and the mirror 23 is sandwiched between the tenon 3 and the back cover 24. becomes.

25.25, . . . are elastic contact pieces formed integrally with the back cover 24, and the tips of the elastic contact pieces 25.25, . The peripheral edge of the mirror 23 is pressed against the receiving edge 6.

An L-shaped presser piece 26 is protruded from the upper end of the back cover 24, and the upper edge of the presser piece 26 comes into contact with the rear end of the wall 10.

(d. Front cover) 27 is a front cover, which includes a cover portion 28 that substantially covers the front surface of the body 3, and a mounting portion 30 connected to the lower edge of the cover portion 28 via a flexible hinge portion 29. are formed integrally.

The attachment part 30 is fixed to the rear surface of the lower end of the podium 3.

Reference numerals 31 and 31 denote attraction pieces made of a magnetic material and fixed to positions near the upper end of both left and right sides of the inner surface of the cover part 28.

Then, the cover portion 28 is folded upward by the flexible hinge portion 29, and the suction piece 31.3 is closed with the front surface of the tenon 3 closed.
1 is absorbed through the slits 19, 19, . . . to the tips 22a, 22a, . . . of the yoke plates 22, 22, . The front is held in the closed position.

(e. Illumination section of vanity mirror) 32. 32 is an illumination section provided on both sides of the mirror 23.

(e-1 decorative panel) 33 is a decorative panel made of synthetic resin.

Reference numeral 34 denotes a front frame of the decorative panel 33, and its outer shape is such that it fits snugly into the front side of the recess 7 of the tenon 3. A vertically long rectangular opening 35 is formed in the front frame 34, leaving the peripheral edge thereof intact.

A support wall 36.36 is protruded from the rear surface of the front frame 34 at a position away from the side edge of the opening 35.
．． An engagement hole 36 is provided in the portion in contact with the rear surface of the front frame 34 of 36.
a, 36a, . . . are formed. In addition, the support wall 36
．． 36 has an inclined rear edge and is formed into a wedge shape when viewed from the side.

Engagement projections 37.37 are provided upwardly protruding from positions near both ends of the upper rear surface of the front frame 34, and engagement claw pieces 38.38 are provided rearwardly at positions slightly closer to the side than the center of the lower end. Engagement claws 38a, 38a are provided on the lower surface of the rear end of the engagement claw pieces 38, 38.

(e-2 light guide plate) 39 is a transparent light guide plate, which has a roughly wedge-shaped upper end and is made of thermoplastic synthetic resin with high transparency and good moldability, such as acrylic resin or polycarbonate resin. It is formed by injection molding.

A table-shaped protrusion 40 is formed on the front surface of the light guide plate 39 except for the peripheral edge, and thereby a stepped surface 41 is formed on the peripheral edge except for the upper end. The protrusion 40 is shaped to fit perfectly into the opening 35 of the decorative panel 33.

42, 42, . . . are engagement protrusions protruding from the front end portions of both left and right side surfaces of the light guide plate 39 excluding the upper end portion.

The upper end surface of the light guide plate 39 is curved into a concave shape so as to be displaced upward as it goes to the front side, and the curved surface 43 is used as a light receiving surface.

Note that a large number of minute dots 44, 44, . . . are formed on the rear surface of the portion where the table-like protrusion 39 is formed.

Then, the light guide plate 39 is inserted between the support walls 36 of the decorative panel 33 from the rear side.

Then, the engagement projections 42, 42, . . . of the light guide plate 39 engage with the engagement holes 36a, 36a1, . 35
Get stuck in. In this way, the decorative panel 33 and the light guide plate 39 are combined.

Reference numeral 45 denotes white reflective paper, which is in contact with the main portion 45a or the rear surface of the light guide plate 39, and is in contact with the left and right side pieces 45b, 45b or the support wall 36.3.
It is glued to the outer surface of 6.

A set of such a decorative panel 33 and light guide plate 39 is also prepared.

(e-3, Light Source Unit) 46 is a light source unit, which is composed of a printed circuit board, a terminal member, a reflecting mirror, and a tube.

Reference numeral 47 denotes a printed circuit board, which is in the form of an elongated strip, on which two conductors 48a and 48b extending in parallel are formed.

Terminal members 49.49 and 50.50 are attached as a pair to both ends of the printed circuit board 470.

The terminal members 49 and 50 are integrally formed by base portions 49a and 50a, and clamping pieces 49b, 49c, 50b and 50c that protrude downward from both front and rear edges of the base portions 49a and 50a, respectively, and materials having conductivity and spring properties. The holding pieces 49b, 49c and 50b, 50C are fixed to the lower surface of the printed circuit board 47 while facing each other at a predetermined distance in the left-right direction. That is, the terminal member 49.5
0 is attached to the printed circuit board 47 through conductive rivets 51 and 51 at its bases 49a and 50a.
, 50a and rivet 51.51 are also rivet 5
1.51 and the conductors 48a and 48b, the terminal member 49 and the conductor 48a and the terminal member 50 and the conductor 48b are electrically connected to each other.

Similarly, at the other end, the terminal member 49
．． 50 is fixed to the printed circuit board 47.

Reference numerals 49d and 50d are holding pieces that protrude toward opposite sides from the portions near the tips of the upper clamping pieces 49b and 50b, and whose tips are bent downward.

Before the pack cover 24 is attached to the body 3, the printed circuit board 47 is positioned so as to be in contact with the lower surface of the wall 10 on the back side of the body 3, so that the front edge of the printed circuit board 47 comes into contact with the wall 10. One terminal member 49.50 is positioned through the notch 8 at the upper end of one recess 7, and the other terminal member 49.50 is sandwiched between the other terminal member 49.50 and the other recess 7. The notch 8 is inserted through the upper end of the holder.

Reference numerals 52 and 52 denote tubes, and each tube 52 includes a circular glass tube 53, caps 54 and 54 attached to both ends of the glass tube 53, and a filament 55 disposed inside the glass tube 53. etc.

Reference numeral 56.56 denotes a reflecting mirror, which is made of a heat-resistant material, for example silicone rubber, and is painted white in order to have a reflective surface.

Each reflecting mirror 56 has a reflecting portion and a base portion formed integrally.

The base 57 has a substantially plate shape that is long in the left-right direction, and its length is the same as that between the clamping pieces 49b and 49c of the terminal member 49 and the terminal member 50.
The distance between the holding pieces 50b and 50c is larger than that between the holding pieces 50b and 50c.

The reflecting portion 58 has a shape such that an inverted U-shaped groove 59 is formed on the lower surface of a horizontally long square block, and the rear surface is integrally connected to the front surface of the base portion 57. Its length is slightly shorter than the distance between the clamping pieces 49b, 49c of the terminal member 49 and the clamping pieces 50b, 50c of the terminal member 50, and the inner surface of the groove 59 serves as a reflective surface.

The reflecting mirror 56 is brought into contact with the upper surface of both left and right ends of the base portion 57 or the lower surface of the lower holding pieces 49c and 50c, and the reflecting portion 5
8 is positioned between the clamping pieces 49b, 49c and the clamping pieces 50b, 50c, and in this state, the cap 5 of the tube 52 is
4.54 between the clamping pieces 49b and 49c and the clamping piece 50
It is held between b and 50c. As a result, the reflecting portion 58 of the reflecting mirror 56 is prevented from moving downward by the glass tube 53 of the bulb 52, and the concave groove 5 of the reflecting portion 58 is prevented from moving downward.
Since the glass tube 53 is located inside the mirror 9, it is prevented from moving in the front-rear direction, and furthermore, the reflecting part 58 is also prevented from moving in the left-right direction by the holding pieces 49b, 49c and 50b, 50c.

Incidentally, the tube 52 has a clamping piece 4 on the end face of its cap 54,54.
Since the holding pieces 49d and 50d of 9b and 50b face each other,
Its displacement in the left and right direction is prevented.

Also in the other recess 7, a tube 52 and a reflector 56 are mounted in the same manner as described above.

60 and 61 are contact members made of conductive material, and include contact pieces 60a, 61a and connection pieces 60b, 6, respectively.
1b.

The contact pieces 60a, 61a have a main part having a width that fits into the groove 15.15' formed on the back surface of the tenon 3, and a mounting part protruding from a position near the right end when viewed from the rear of the main part. The mounting screws 62 and 62, which are formed integrally with a piece and are inserted through the mounting hole formed in the mounting piece, are attached to the protrusion 14 on the back of the tenon 3.
The contact pieces 60a, 61a are thereby fixed to the back surface of the body 3, and the main part thereof is mostly fitted into the groove 15.15'. The left part of the protrusion 14 when viewed from the rear is protruded to the left from the left end of the protrusion 14, facing approximately the center of the portal protrusion 17 from the right, where the contact pieces 60a, 61a and the portal protrusion 17 ,
A connector portion 63 consisting of protrusions 18, 18 is formed, and an external connector (not shown) is connected to the connector portion 63.

The connecting piece 60b extends upward from the right end of the contact piece 60a, and its upper end is connected to the conductor 48a of the printed circuit board 47. Furthermore, the connection piece 61b is connected to the conductor 4 of the printed circuit board 47.
Either it is connected to 8b, or it is separated in the middle and a switch 64 is interposed therebetween.

The switch 64 is provided on the right end of the back surface of the tenon 3 when viewed from the rear, at a position approximately midway in the vertical direction. The operator 64a of the switch 64 projects from the front surface of the tenon 3 through an insertion hole 20 provided in the tenon 3. When the cover portion 28 of the front cover 27 comes to the position where the front surface of the body 3 is closed, the operator 64a is pushed backward by the cover portion 28, and thereby,
The conductor 48b and the contact piece 61a are cut off and the tube 52
．． 52 goes out, and when the cover part 28 of the front cover 27 moves from the front of the body 3, the operator 64a returns to the position protruding from the front of the tenon 3 and connects the conductor 48b and the contact piece 61.
A is established and the tubes 52 and 52 are lit.

(Attachment of e-4 decorative panel and light guide plate) There, the decorative panel 33 with the light guide plate 39 and 39 attached
．． 33 are engaged with the rear side of the upper opening edge of the recess 7.7 through the upper end of the notch 8.8, and from that state, the lower end of the decorative panel 33.33 is inserted backward. , the engaging claw pieces 38, 38, . . . are inserted into the engaging holes 9, 9, . . . of the body 3, and the engaging claws 38a
, 38a, . . . are engaged with the rear edges of the engagement holes 9.9, . The light receiving surface 43.43 faces the tube 52.52.

Therefore, when the tube 52.52 is lit, the light enters the light guide plate 39.39 from the light receiving surface 43.43 either directly or after being reflected by the reflecting surface 59.59 of the reflecting mirror 56.56, and enters the light guide plate 39.39 from the point on the rear surface. It is reflected by the marks 44, 44, . . . and emitted forward. Further, even if some light exits to the rear of the light guide plate 39.39, such light is reflected by the main portions 45a, 45a of the reflective paper 45.45 and returned into the light guide plate 39.39.

In this way, light is emitted from the front surface of the light guide plate 39, 39.

(F Effect of the invention) As is clear from the above description, the illumination part of the bright vanity mirror is formed by forming a recess next to the portion where the mirror is placed in front of the tenon, and inside the recess there is a transparent The present invention is characterized in that a light guide plate made of a suitable material is fitted and arranged so that the front face of the light guide plate is exposed to the front face of the body, and a light bulb is disposed opposite to one of the side end faces of the light guide plate.

Therefore, in the illumination part of the vanity mirror of the present invention, the light guide plate is disposed within the recessed part, and the ring ball is opposed to the side end face of the light guide plate, so that the thickness in the front and rear direction does not increase. In addition, since the front surface of the light guide plate is exposed on the n-plane of the POD, a separate lens is not required and the number of parts is reduced.

Further, a decorative panel is provided that is removably attached to the front opening of the recess and that also nails the large opening, and the decorative panel and the light guide plate are formed so that they can be attached to and detached from each other. The engaging parts are engaged with each other to hold the light guide plate on the decorative panel so that the front surface of the light guide plate is exposed to the outside through the opening of the decorative panel, and the decorative panel holding the light guide plate is attached to the tenons of the light guide plate. By arranging the light guide plate in the recess, there is no need to separately provide a structure for supporting the light guide plate in the recess, and the structure becomes simple. Since the combined parts can be managed as a single part, it becomes easy to manage parts such as transportation and storage, and space for parts management can also be saved.

Furthermore, by attaching a reflective sheet to the back surface of the light guide plate, most of the light incident on the light guide plate can be emitted from the front surface of the light guide plate, thereby making effective use of the light.

Furthermore, by using a light bulb as a tube and arranging a reflector so as to surround the side opposite to the end surface of the tube facing the light guide plate, as much light as possible from the light bulb is directed into the light guide plate. It is possible to make more effective use of the light by making it incident.

The specific shapes and structures shown in the above examples are as follows:
These are merely examples of embodiments of the present invention, and should not be construed as limiting the technical scope of the present invention.

[Brief explanation of drawings]

The drawings show an example of implementation of the illumination part of the vanity mirror of the present invention, and FIG. 1 is a perspective view showing an outline of the vanity mirror, FIG. 2 is a front view showing a partially cut away vanity mirror, and FIG. Figure 3 is a rear view of the vanity mirror, Figure 4 is an enlarged sectional view taken along the rV-rV line in Figure 2, Figure 5 is an enlarged sectional view taken along the V-V line in Figure 2, and Figure 6 shows the main points. Figure 7 is an exploded perspective view of another main part, Figure 8 is an exploded perspective view of another main part seen from a different angle, and Figure 9 is a partially exploded view of the vanity mirror. It is a perspective view seen from the back side. Explanation of codes 1... Vanity mirror, 3... Pode 7...
Recessed portion, 23...Mirror 32...Illumination portion of vanity mirror, 33...Decoration panel, 35...Opening, 36a.
... Engagement part (of decorative panel), 39... Light guide plate,
40...Front surface, 42...Engaging portion (of the light guide plate), 43...One side end surface (of the light guide plate) 45a...Reflective sheet, 52...Light bulb (bulb), 56...Reflector Figure 52...Light bulb (tube) 56...Reflector main part exploded view Figure 6

Claims (4)

[Claims] (1) A recess is formed on the front surface of the body beside the part where the mirror is arranged, a light guide plate made of a transparent material is fitted into the recess, and the front surface of the light guide plate is positioned on the front surface of the body. An illumination part of a vanity mirror, characterized in that a light bulb is exposed on one side end surface of the light guide plate and is arranged opposite to the light bulb. (2) A decorative panel is provided that is removably attached to the body and has a large opening so as to be located at the front opening of the recess, and an engagement formed between the decorative panel and the light guide plate so that they can be freely engaged with and detached from each other. Engage the joints to hold the light guide plate on the decorative panel so that the front surface of the light guide plate faces the outside through the opening of the decorative panel, and attach the decorative panel holding the light guide plate to the body to hold the light guide plate above the The illumination portion of the vanity mirror according to claim 1, characterized in that the illumination portion is disposed within the recessed portion. (3) The lighting section of the vanity mirror according to claim 1 or 2, characterized in that a reflective sheet is attached to the back surface of the light guide plate. (4) Claims 1 and 2 are characterized in that the light bulb is a tube, and a reflecting mirror is arranged to surround the side of the tube opposite to the end surface on the light guide plate side. Illumination part of the vanity mirror described in item 3 or item 3