JP2009274675A - In-vehicle indoor illuminating device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an in-vehicle indoor illuminating device enabling the use of a plurality of types of lamps. <P>SOLUTION: This in-vehicle indoor illuminating device includes a design section and a functional section 20. The functional section 20 includes first lamp contact sections 31a, 32a to each of which a boat-shaped bulb 40 is attachable and second lamp contact sections 31b, 32b to each of which a wedge base bulb 41 is attachable. The contact sections 31a, 32a and the contact sections 31b, 32b are set in such a manner that centers of the boat-shaped bulb 40 and the wedge base bulb 41 in an attached state are in the same position. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a vehicle interior lighting device that is provided on a ceiling or the like of a vehicle cabin and illuminates the vehicle interior.

  As this type of conventional in-vehicle indoor lighting device, there is one disclosed in Patent Document 1. As shown in FIG. 7, the in-vehicle interior lighting device 100 is attached to a body 101 and a trim 102 that are disposed at a ceiling position of a passenger compartment, and a design portion 110 that is disposed on the interior side of the trim 102 and the design. And a functional unit 120 disposed outside the unit 110.

  The body 101 is provided with lock arm notches 101a at two locations, and a locked portion 101b is provided in the vicinity thereof.

  The trim 102 is provided with a functional part opening 102a. Further, lock arm insertion holes 102c and two lock arm insertion holes 102c are provided outside the function opening 102a of the trim 102, together with the lock arm locking holes 102b.

  The design unit 110 includes a housing 111, a lens cover 112 that covers substantially the entire indoor side of the housing 111, and a switch operation unit 116 that operates a switch unit (not shown). Wall lock arms 113 are provided at two positions on the peripheral edge of the housing 111 and on the diagonal line. The design portion 110 is assembled to the trim 102 by the wall material lock arm 113 being locked in the lock arm locking hole 102 b of the trim 102. Also, body lock arms 114 are provided at two positions on the peripheral edge of the housing 111 and on other diagonal lines. The design portion 110 is assembled to the body 101 by the body lock arm 114 being locked to the locked portion 101 b of the body 101. A functional part insertion hole 115 is provided in the approximate center of the housing 111.

  The functional unit 120 includes a housing 121, a boat-shaped bulb 122 that is a lamp mounted on the housing 121, a switch unit (not shown) mounted on the housing 121, and a wire terminal unit that connects the wire harness WH. (Not shown). Two pairs of lock claws 124 (not shown) are provided on side surfaces of the housing 121 facing each other. The function part 120 is disposed in the function part insertion hole 115 of the design part 110 and the function part opening part 102 a of the trim 102, and each lock claw 124 is locked to the periphery of the function part opening part 102 a of the trim 102. It is assembled by being done.

  In the above configuration, a switch unit (not shown) is operated by operating the switch operation unit 116. At the switch-on position, the boat-shaped valve 122 is lit to illuminate the interior of the vehicle. The boat-shaped valve 122 is extinguished at the switch-off position.

Next, the wiring circuit of the conventional vehicle interior lighting device will be described. As shown in FIG. 8, the wiring circuit includes a main bus bar 130 that is insert-molded in the housing 121 of the functional unit 120 and a valve contact part 131. The main bus bar 130 includes a switch terminal 130a for connecting to a switch portion (not shown), a pressure contact terminal 130b for press-connecting the wire harness WH, one lamp contact portion 130c, and a contact component connection portion 130d. And a wiring part 130e for wiring them in a desired wiring path, and a cutting part 130f cut after insert molding. The bulb contact part 131 has a lamp contact part 131a and is connected to the contact part connection part 130d of the main bus bar 130 as shown in FIGS. 9 (a) and 9 (b). As a result, the pair of lamp contact portions 130c and 131a form contact points dedicated to the boat-shaped bulbs that are arranged to face each other. Then, as shown in FIG. 9 (a), one terminal 122a of the boat-shaped bulb 122 is set to one lamp contact portion 130c, and then, as shown in FIG. 9 (b), the other terminal of the boat-shaped bulb 122 is placed. The boat-shaped bulb 122 can be mounted by setting the terminal 122b to the other lamp contact portion 131a.
JP 2003-40032 A

  However, in the conventional vehicle interior lighting device, only the boat-shaped bulb 122 can be mounted. In particular, when the lamp is burnt out and replaced with a new lamp, it is inconvenient because only the lamp of the same type (boat type bulb 122) can be used.

  Accordingly, the present invention has been made to solve the above-described problems, and an object thereof is to provide an in-vehicle indoor lighting device that can use a plurality of types of lamps.

  The invention of claim 1 has a design portion and a functional portion arranged outside the design portion, and the irradiation light of the lamp accommodated in the functional portion is transmitted through the design portion and irradiated into the vehicle interior. In the vehicle interior lighting device, the functional unit is provided with a plurality of types of lamp contact portions to which a plurality of types of lamps can be mounted.

  The invention according to claim 2 is the in-vehicle interior lighting device according to claim 1, wherein the plurality of types of lamp contact portions can be attached to at least two of a boat-shaped bulb, a wedge base bulb and a light emitting diode. It is characterized by being.

  The invention of claim 3 is the in-vehicle interior lighting device according to claim 1 or claim 2, wherein the plurality of types of lamp contact portions are set so that the center positions of the respective lamps are the same. To do.

  A fourth aspect of the present invention is the in-vehicle indoor lighting device according to any one of the first to third aspects, wherein the plurality of types of lamp contact portions are composed of symmetrical valve contact parts. Features.

  The invention of claim 5 is the vehicle interior lighting device according to claim 4, wherein the switch terminal connected to the switch part, the wire terminal connecting the electric wire, and the wiring part forming the wiring path are formed by the main bus bar. A pair of valve contact parts are formed separately from the main bus bar.

  According to the invention of claim 1, since a plurality of types of lamps can be mounted, the degree of freedom of usable lamps is high. This is particularly convenient when the lamp is burned out and replaced with a new lamp.

  According to the invention of claim 2, since two types of lamps can be used, the same effect as that of the invention of claim 1 can be obtained.

  According to the invention of claim 3, in addition to the effect of the invention of claim 1 or 2, even if a different type of lamp is mounted, the position of the illumination does not change, so the user does not feel uncomfortable.

  According to the invention of claim 4, in addition to the effects of the inventions of claims 1 to 3, the mold cost can be kept low.

  According to the invention of claim 5, in addition to the effect of the invention of claim 4, when the form of the main bus bar is changed, the same valve contact parts can be used. Also, the same main bus bar can be used when the form of the valve contact parts is changed.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  1 to 6 show an embodiment of the present invention, FIG. 1 is an exploded perspective view of an in-vehicle indoor lighting device equipped with a boat-shaped bulb, and FIG. 2 is an exploded perspective view of the in-vehicle indoor lighting device equipped with a wedge base bulb. 3 is an exploded perspective view of the functional part, FIG. 4 is a perspective view before connection of the main bus bar and the pair of valve terminal parts, and FIG. 5A is a state before the boat-shaped valve is mounted on the first valve mounting terminal. FIG. 5B is a perspective view of a state in which the boat-shaped valve is mounted on the first valve mounting terminal, and FIG. 6A is a perspective view before the wedge base valve is mounted on the second valve mounting terminal. FIG. 6B is a perspective view of a state in which the wedge base valve is mounted on the second valve mounting terminal.

  As shown in FIGS. 1 and 2, the in-vehicle interior lighting device 1 is attached to a body (not shown) and a trim (not shown) disposed at a ceiling position of a vehicle compartment, and a trim (not shown). The design part 10 arrange | positioned at the indoor side of this and the function part 20 arrange | positioned at the outdoor side of this design part 10 are provided.

  The design unit 10 includes a housing 11, a lens cover 12 that covers substantially the entire indoor side of the housing 11, and a switch operation unit 13 that operates a switch unit (not shown). A lock arm 14 is provided at the peripheral edge of the housing 11, and the design portion 10 is fixed to a body (not shown) and a trim (not shown) 101 by the lock arm 14.

  As shown in detail in FIG. 3, the functional unit 20 includes a housing 21, a main bus bar 30 insert-molded in the housing 21 (shown in FIG. 3 and the like), and a pair of valve contact parts 31 and 32 (shown in FIG. 3 and the like). ), An electric wire protection cover 22 that covers the wire harness WH that is attached to the housing 21 and press-contacted, a switch portion (not shown) accommodated in the housing 21, and an attachment to the housing 21, A switch mounting cover 23 to be fixed, a lamp protection cover 25 which is mounted on the housing 21 and covers the outside of the lamp receiving space 24, and a boat-shaped bulb 40 (or a wedge base) which is a lamp mounted in the lamp receiving space 24 Valve 41).

  As shown in detail in FIG. 4, the main bus bar 30 is divided into three parts, a switch terminal 30 a for connecting to a switch unit (not shown), and a wire terminal for press-connecting a wire harness (wire) WH. The pressure contact terminal 30b, a pair of valve component connecting contact portions 30c, and a wiring portion 30d for wiring them in a desired wiring path.

  The pair of valve contact parts 31 and 32 has a bilaterally symmetric form, and is connected to the main bus bar 30 by a valve part connecting contact part 30c. One bulb terminal part 31 is composed of one first lamp contact portion 31a for a boat-shaped bulb, one second lamp contact portion 31b for a wedge base bulb, and a connecting wiring portion 31c for connecting them. Yes. The other bulb terminal part 32 is composed of the other first lamp contact portion 32a for the boat-shaped bulb, the other second lamp contact portion 32b for the wedge base bulb, and the connecting wiring portion 32c for connecting them. Yes. The pair of first lamp contact portions 31a and 32a are disposed to face each other with an interval therebetween. And as shown to Fig.5 (a), (b), it mounts | wears by inserting the boat-shaped valve | bulb 40 between a pair of 1st lamp contact parts 31a and 32a arrange | positioned facing using elastic deformation. The The pair of second lamp contact portions 31b and 32b are arranged in parallel at close positions. Then, as shown in FIGS. 6A and 6B, the wedge base bulb 41 is inserted by inserting elastically between the sandwiching pieces of the pair of second lamp contact portions 31b and 32b. Is done.

  The center positions of the boat-shaped bulb 40 and the wedge base bulb 41 are set to be the same in the first lamp contact portions 31a, 32a and the second lamp contact portions 31b, 32b.

  In the above configuration, a switch unit (not shown) is operated by operating the switch operation unit 13. At the switch-on position, when the boat-shaped valve 40 is mounted as shown in FIG. 1, the boat-shaped valve 40 is lit, and when the wedge base valve 41 is mounted as shown in FIG. The base valve 41 is lit to illuminate the passenger compartment. At the switch-off position, when the boat valve 40 is mounted as shown in FIG. 1, the boat valve 40 is turned off, and when the wedge base valve 41 is mounted as shown in FIG. The base valve 41 is turned off.

  As described above, the functional unit 20 is provided with the first lamp contact portions 31a and 32a for the boat-shaped bulb 40 and the second lamp contact portions 31b and 32b for the wedge base bulb 41. Since the boat-shaped bulb 40 and the wedge base bulb 41 can be selectively mounted, the degree of freedom of lamps that can be used is high. This is particularly convenient when the lamp is burned out and replaced with a new lamp.

  In this embodiment, the first lamp contact portions 31a and 32a and the second lamp contact portions 331b and 32b are of two types corresponding to the boat-shaped bulb 40 and the wedge base bulb 41. You may comprise so that all of 41 and a light emitting diode can be mounted | worn. Further, the boat-type bulb 40 and the light-emitting diode may be attached, or the wedge base bulb 41 and the light-emitting diode may be attached.

  In this embodiment, the center positions of the boat-shaped bulb 40 and the wedge base bulb 41 are set to be the same in the first lamp contact portions 31a, 32a and the second lamp contact portions 31b, 32b. Therefore, even if different types of lamps are mounted, the position of the illumination does not change, and the user does not feel uncomfortable.

  In this embodiment, the first lamp contact portions 31a, 32a and the second lamp contact portions 31b, 32b are composed of symmetrical valve contact parts 31, 32. Therefore, the mold cost can be kept low.

  In this embodiment, the pair of valve contact parts 31 and 32 are formed separately from the main bus bar 30. Accordingly, when the form of the main bus bar 30 is changed, the same valve contact parts 31 and 32 can be used. Further, the same main bus bar 30 can be used when the forms of the valve contact parts 31 and 32 are changed.

  In addition, in this embodiment, although the case where the vehicle-mounted interior illuminating device 1 was attached to the ceiling of a vehicle interior was shown, the attachment place is not limited to the ceiling of a vehicle interior.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of an in-vehicle interior lighting device equipped with a boat-shaped bulb according to an embodiment of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of an in-vehicle interior lighting device equipped with a wedge base bulb according to an embodiment of the present invention. FIG. 3 is an exploded perspective view of a functional unit according to the embodiment of the present invention. FIG. 2 is a perspective view showing the embodiment of the present invention and before connecting the main bus bar and a pair of valve terminal parts. 1 shows an embodiment of the present invention, (a) is a perspective view before a boat-shaped valve is mounted on a first valve mounting terminal, and (b) is a perspective view of a state where the boat-shaped valve is mounted on a first valve mounting terminal. It is. 1 shows an embodiment of the present invention, (a) is a perspective view before a wedge base valve is mounted on a second valve mounting terminal, and (b) is a state where the wedge base valve is mounted on a second valve mounting terminal. It is a perspective view. It is a disassembled perspective view of the vehicle-mounted indoor illuminating device of a prior art example. It is a perspective view before the connection of the main bus bar and valve terminal component of a prior art example. A prior art example is shown, (a) is a perspective view which shows the mounting | wearing state of a boat-shaped valve, (b) is a perspective view of the state which mounted | wore with the boat-shaped valve.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Car interior lighting device 10 Design part 20 Function part 30 Main bus bar 30a Switch terminal 30b Pressure contact terminal (wire terminal)
30d Wiring part 31 Valve contact parts 31a, 32a First lamp contact part 31b, 32b Second lamp contact part 40 Boat-shaped valve 41 Wedge base valve

Claims (5)

A vehicle interior lighting device having a design part and a functional part arranged on the outdoor side of the design part, wherein irradiation light of a lamp accommodated in the functional part passes through the design part and is irradiated into the vehicle interior Because
A plurality of types of lamp contact portions to which a plurality of types of lamps can be mounted are provided in the functional unit. The vehicle interior lighting device according to claim 1,
A plurality of types of the lamp contact portions are two types in which at least two of a boat-shaped bulb, a wedge base bulb, and a light emitting diode can be mounted. The in-vehicle indoor lighting device according to claim 1 or 2,
The plurality of types of lamp contact portions are set so that the center positions of the lamps are the same. The in-vehicle indoor lighting device according to any one of claims 1 to 3,
The plurality of types of lamp contact portions are composed of symmetrical left and right bulb contact parts. The vehicle interior lighting device according to claim 4,
The switch portion connected to the switch portion, the wire portion connecting the electric wire and the wiring portion forming the wiring path are formed by a main bus bar, and the pair of valve contact parts are formed separately from the main bus bar. An in-vehicle indoor lighting device.

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