JPH0459432A - Tube lamp support structure - Google Patents

Abstract

PURPOSE:To simplify the constitution and assembly in a tube lamp support structure by supporting both end caps of the tube lamp on the respective terminal members while a reflecting part of a reflector is located between nipping pieces of two terminal members and locating the reflecting part of the reflector between a glass pipe and a base member. CONSTITUTION:A reflecting part 58 of a reflector 56 is set slightly shorter than gaps between nipping pieces 49b, 49c and 50b, 50c of terminal members 49, 50 to bring the upper surfaces of both left and right ends of a base 57 of the reflector 56 into contact with the lower surfaces of the lower side nipping pieces 49c, 50c and locate the reflecting part 58 between the nipping pieces 49b, 49c and 50b, 50c. Under such a condition, caps 54, 54 of a tube lamp 52 are nipped between the nipping pieces 49b, 49c and 50b, 50c. Thus, the reflector 56 is blocked from movement downward, forward and backward, leftward and rightward below the reflective part 58.

Description

DETAILED DESCRIPTION OF THE INVENTION The support structure of the tube according to the present invention will be explained in detail according to the following items.

A. Field of industrial application B99 Summary of the invention C0 Prior art 1 Invention or problem to be solved E0 Means for solving the problem F Example [Figures 1 to 9 Core a Outline of vanity mirror, body C, Mirror d, Front cover e Vanity mirror illumination part e-1, Decorative panel e-2, Light guide plate e-3 Light source unit e-4, Decorative panel, Light guide plate installation G9 Effect of the invention (A, Industrial FIELD OF THE INVENTION The present invention relates to a novel tube support structure. Specifically, the present invention aims to provide a new tube support structure in which a reflecting mirror can be easily attached.

(B. Summary of the Invention) The support structure of the tube of the present invention is made of a heat-resistant material, has a length shorter than the interval between the clamping pieces of the two terminal members, and has a length that is shorter than the distance between the holding pieces of the two terminal members, and at least half of the glass tube of the tube on the base member side. A reflector is provided with a reflective part having a reflective concave surface surrounding the tube, and with the reflective part of the reflector positioned between the clamping pieces of the two terminal members, the caps at both ends of the tube are connected to the The reflecting portion of the reflecting mirror is positioned between the glass tube and the base member and is supported separately by the holding pieces of the terminal member to prevent the reflecting mirror from falling off the base member. No special members or processes are required for support; the reflector can be supported in a predetermined position by simply supporting the bulb cap on the clamping piece of the terminal member while the reflector is in a predetermined position. Therefore, the structure is extremely simple and the assembly process is simplified, resulting in a significant cost reduction.

(C, Prior Art) In order to effectively utilize the luminous flux of a light source, there is a method of controlling the luminous flux using a reflecting mirror.

(D. Problem to be Solved by the Invention) However, in the case where the space between the base member on which the terminal member is supported and the glass tube of the tube is narrow in a device using a tube, there is no suitable means for providing a reflecting mirror. Not proposed yet.

(E. Means for Solving the Problems) In order to solve the above-mentioned problems, the support structure of the tube according to the present invention is made of a heat-resistant material, has a length shorter than the interval between the clamping pieces of the two terminal members, and A reflecting mirror is provided with a reflecting part having a reflective concave surface that surrounds at least half of the glass tube of the bulb on the base member side, and the reflecting part of the reflecting mirror is positioned between the holding pieces of the two terminal members. In this state, the caps at both ends of the tube are individually supported by the clamping pieces of the two terminal members, and the reflecting part of the reflector is positioned between the glass tube and the base member, so that the light from the base member of the reflector is It is designed to prevent it from falling off.

Therefore, in the tube support structure of the present invention, there is no need for any special member or process for supporting the reflector, and the tube base is connected to the terminal member with the reflector positioned at a predetermined location. Since the reflecting mirror can be supported at a predetermined position by being supported by the holding pieces, the structure is extremely simple and the assembly process is simplified, resulting in a significant cost reduction.

(F. Embodiment) [Figs. 1 to 9] The support structure of the tube according to the present invention will be explained in detail below according to the illustrated embodiment.

In the illustrated embodiment, the present invention is applied to a support structure for a tube provided in a lighting section of a vanity mirror.

(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, Body) 3 is a tenon made of a suitable thermoplastic synthetic resin.

The body 3 has a substantially oblong rectangular plate shape, and a large oblong rectangular window 4 is formed in the portion excluding the left and right sides of the body 3, and a large window 4 in the shape of an oblong rectangle is formed on the rear surface between the opening edge of the window 4. Frame-shaped protrusions 5 are formed at slightly spaced portions, and a portion of the rear surface of the body 3 between the opening edge of the window 4 and the protrusions 5 serves as a receiving edge 6.

On both sides of the window 4 of the tenon 3, vertically elongated recesses 7.7 are formed which are open to the front. Then, the recessed portion 7.
7 has a wedge shape with a wider 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 body 3, and the waist wall 10 and the protrusion 5
Projections 11.
11.11 are integrally provided in a protruding manner.

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

Reference numeral 14 denotes 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.
Grooves 15, 15' extending left and right are formed in the protrusion 14 in parallel vertically, and a lower hole 16, 16' is formed approximately in the middle of the multi-grooves 15, 15'. .

Reference numeral 17 denotes a gate-shaped projection that is formed on the back surface of the recess 7 on the right side when viewed from the back and is spaced leftward from the projection 14 and faces in the left-right direction; 18.18 is the left side of the gate-shaped projection 17; These are ridges formed vertically apart from each other.

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, .
are exposed to the front side of the tenon 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 body 3 from the rear, and its 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 body 3 by heat fusion, and the mirror 23 is sandwiched between the body 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.

A presser piece 26 having an L-shape when viewed from the side 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) Reference numeral 27 denotes a front cover, which includes a cover portion 28 that substantially covers the front surface of the body 3, a mounting portion 30 connected to the lower edge of the cover portion 28 via a flexible hinge portion 29, and a body. It is formed by

Then, the mounting portion 30 is fixed to the rear surface of the lower end portion of the tenon 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 part 28 is folded upward by the flexible hinge part 29, and the suction piece 31.
! The cover portion 28 is attracted to the tip portions 22a, 22al, etc. of the yoke plates 22, 22, . The front is held in the closed position.

(e Illumination Section of Vanity Mirror) Reference numerals 32 and 32 indicate illumination sections 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 part of the recess 7 of the body 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 36a is provided in the portion in contact with the rear surface of the front frame 34 of 36.
, 36a, . . . are formed. In addition, the support wall 36.
36 is formed so that its rear edge is inclined and forms a wedge shape when viewed from the side.

Engagement protrusions 37.37 project upward from positions near both ends of the rear surface of the upper end of the front frame 34, and engagement claw pieces 38.38 extend rearward from positions slightly lateral to 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 substantially wedge shape with a thick upper end, and is formed by injection molding of a thermoplastic synthetic resin with high transparency and good moldability, such as acrylic resin. There is.

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.

Therefore, 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, 36a, . opening 35
Get stuck in. In this way, the decorative panel 33 and the light guide plate 39 are combined.

Reference numeral 45 is white reflective paper, the main part 45a is in contact with the rear surface of the light guide plate 39, and the left and right side pieces 45b, 45b are in contact with 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 already 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, and has two conductors 48a and 48b extending in parallel thereto.

Terminal members 49.49 and 50.50 are attached to both ends of the printed circuit board 47, one set at a time.

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 smoothing 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 interval in the left-right direction. That is, the terminal member 49.5
0 has its base parts 49a and 50a attached to the printed circuit board 47 with conductive rivets 51 and 51, and the base part 49a
, 50a and the rivets 51, 51, and the rivet 5
1.51 and the conductors 48a and 48b, respectively, the terminal member 49 and the conductor 48a are electrically connected to each other, 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.

49 (1 and 50d are holding pieces that protrude toward opposite sides from the portions near the tips of the upper holding 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 is brought 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 protrusions 11.11.11 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 is 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 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.

Thus, the upper surfaces of both left and right ends of the base portion 57 of the reflecting mirror 56 are in contact with the lower surfaces of the lower holding pieces 49c and 50c, so that the reflecting mirror 56
8 is 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 reflecting mirror 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 and 61a have a main part having a width to be fitted into a hole 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 inserted through the mounting hole formed in the mounting piece connect to the protrusion 14 on the back of the Podium 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', When viewed from the rear, the left side portion protrudes from the left end of the protrusion 14 to the left, facing approximately the center of the gate-shaped protrusion 17 from the right, where the contact pieces 60a, 61a, the gate-shaped 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.
8b, but 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 body 3 through an insertion hole 20 provided in the body 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
．． When the light 52 goes out and 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.

(e-4, Attaching the decorative panel and light guide plate) Then, cut out the engagement protrusions 37, 37, . When the lower end of the decorative panel 33.33 is pushed backward from this state, the engaging claw pieces 38.38, . . . Engagement hole 9.9,
. . and the engaging claws 38a, 38a, . .
are engaged with the rear edges of the engagement holes 9.9, . Its light receiving surface 4
3.43 or 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. Furthermore, 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.

(G. Effects of the Invention) As is clear from the above description, the tube support structure of the present invention is a tube support structure that supports a tube provided with caps at both ends of the glass tube, and includes: Two terminal members are supported by a base member in an insulated state and are equipped with clamping pieces that individually clamp the two caps of the tube, and the interval between the clamping pieces of the two terminal members made of a heat-resistant material. a reflecting mirror having a shorter length and a reflecting part having a reflective concave surface surrounding at least a half of the glass tube of the tube on the base member side;
The caps at both ends of the tube are supported separately by the clamping pieces of the two terminal members, and the reflecting part of the reflector is positioned between the glass tube and the base member. This feature is characterized in that the reflecting mirror is prevented from falling off from the base member.

Therefore, in the tube support structure of the present invention, there is no need for any special member or process for supporting the reflector, and the tube base is connected to the terminal member with the reflector positioned at a predetermined location. Since the reflecting mirror can be supported at a predetermined position by being supported by the holding pieces, the structure is extremely simple, and the assembly process is also simplified, resulting in a significant cost reduction.

It should be noted that although the above embodiments have shown that the present invention is applicable to a support structure for a tube provided in a lighting section of a vanity mirror, the scope of the present invention is not limited to such a structure. It can be widely applied as a support structure for tubes in devices using tubes.

Furthermore, the specific shapes and structures shown in the above embodiments are merely examples of embodiments of the present invention, and the technical scope of the wood invention may be interpreted to be limited by these. There is nothing that will be done.

[Brief explanation of drawings]

The drawings show an example of implementation in which the present invention is applied to a support structure for a tube in the lighting section of a vanity mirror.
The figure is a perspective view showing an overview of the vanity mirror, Figure 2 is a front view with a part of the vanity mirror cut away, Figure 3 is a rear view of the vanity mirror, and Figure 4 is taken along the line IV-IV in Figure 2. 5 is an enlarged sectional view taken along line V-V in FIG. 2, FIG. 6 is an exploded perspective view of main parts, FIG. 7 is an exploded perspective view of another main part, and FIG. The figure is an exploded perspective view of another main part seen from a different angle, and FIG. 9 is a perspective view of the vanity mirror, partially exploded and seen from the back side. 49b, 49c, 50b, 50c ・piece,
52... Tube, 53... Crow tube, 56... Reflector, 59... Concave surface 54... Base, 58... Reflector, Explanation of clamping symbol 47... Base member, 49.50...Terminal member, Fig. Fig.

Claims (1)

[Scope of Claims] A tube support structure for supporting a tube having caps at both ends of a glass tube, wherein the tube is supported by a base member in a mutually insulated state, and has two caps of the tube each. It consists of two terminal members provided with clamping pieces that are held separately, and is made of a heat-resistant material, has a length shorter than the interval between the clamping pieces of the two terminal members, and covers at least the half of the glass tube of the bulb on the base member side. a reflector having a reflective part having a reflective concave surface surrounding the tube, and with the reflective part of the reflector positioned between the holding pieces of the two terminal members, the caps at both ends of the tube are The reflecting mirror is supported by the holding pieces of the two terminal members separately, and the reflecting part of the reflecting mirror is positioned between the glass tube and the base member to prevent the reflecting mirror from falling off from the base member. Tube support structure