JP2012201386A - Sealed casing and luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sealed casing which is expected to prevent the disengagement of a waterproof packing mounted on a casing lid.SOLUTION: The device body (sealed casing) 11 includes a body (sealed casing body) 12, a casing lid 45, an elastically deformable annular waterproof packing 61, and a plurality of screws. The body 12 includes an open/close opening 41 and a plurality of screw holes formed in the periphery of the opening. A plurality of screw holes are formed on the peripheral part 47 of the casing lid 45 for opening and closing the opening 41. The waterproof packing 61 includes a first annular enclosure part 62 held between the periphery of the opening 41 and the back side of the peripheral part 47 and a second enclosure part 63 integrally joined to the first enclosure part for covering the peripheral part 47 from the front side. The first enclosure part 62 includes screw holes communicating with the screw holes of the casing lid 45. The peripheral part 47 is covered with the waterproof packing 61 and the packing is supported by the casing lid 45. Removable screws are inserted into the screw holes of the body 12 through each of the screw holes of the casing lid 45 and the waterproof packing 61 for mounting the casing lid 45 on the body 12.

Description

  Embodiments of the present invention relate to a sealed container that is required to be waterproof, for example, and a lighting fixture that includes the sealed container on which a translucent member is mounted as a fixture body.

  One of the base portion and the hood portion forming the closed casing is an insertion portion, and the other edge portion is a U-shaped receiving portion for receiving the insertion portion, and the elastomer is provided in the receiving portion. 2. Description of the Related Art A lighting device having a configuration in which a sealing material made of foam is accommodated, an insertion portion is bitten into the sealing material, and a casing is sealed is known as a prior art.

  Requests to connect external wires to parts housed in sealed containers that have waterproof properties, to inspect parts housed in sealed containers, or to replace parts housed in sealed containers The closed container may be configured to have a container lid that can be opened and closed. In this case, it is necessary to ensure waterproofness at the attachment portion of the container lid.

  Generally, in order to ensure waterproofness, waterproof packing such as an O-ring made of a flexible sealing material is used. In the configuration in which this waterproof packing is fitted in an annular mounting groove or the like provided in the sealed container, there is a possibility that the waterproof packing may move out of position or fall off when the container lid is removed. .

  Further, in order to prevent the waterproof packing from being inadvertently removed, the waterproof packing may be bonded. However, in this case, since the adhesive is used, the cost is increased. Particularly in the case of outdoor sealed containers, for example, because a long-term weather resistance is required, a silicone resin having a high material cost may be used for the waterproof packing. Requires a special adhesive, which further increases the cost.

Special table 2010-506364

  Embodiment is providing the airtight container and lighting fixture which can anticipate suppressing that the waterproof packing attached to the container lid remove | deviates.

  In order to solve the above-described problem, the sealed container of the embodiment includes a sealed container body, a container lid, a waterproof packing, and a plurality of screws. The sealed container body has an opening / closing port and a plurality of screw holes provided around the opening / closing port. A plurality of screw holes are provided in the peripheral portion of the container lid that opens and closes the opening / closing port. The waterproof packing formed in a ring shape with a sealing material that can be elastically deformed is a ring-shaped first enclosure part that is sandwiched between the periphery of the opening and closing opening and the back side of the peripheral part of the container lid. A second surrounding portion that covers the peripheral portion from the front side is provided, and a plurality of screw through holes that penetrate through the first surrounding portion and communicate with the screw through holes of the container lid are provided. The periphery of the container lid is wrapped with the first and second surrounding portions of the waterproof packing, and the waterproof packing is supported on the container lid. The detachable screw is passed through a screw hole formed in the container lid and the waterproof packing so as to communicate with each other, and is screwed into the screw hole of the sealed container body, so that the container lid is attached to the sealed container body.

  According to the sealed container of the embodiment, it can be expected that the waterproof packing is prevented from coming off from the container lid at a low cost.

It is a perspective view which shows the lighting fixture which concerns on Example 1. FIG. It is a perspective view which shows the lighting fixture of FIG. 1 in the state which decomposed | disassembled the container lid periphery. It is sectional drawing which shows the lighting fixture of FIG. 1 in the position which passes the container lid. It is a bottom view which shows a part of lighting fixture of FIG. It is sectional drawing which follows the arrow F5-F5 line | wire in FIG. It is a perspective view which shows the relationship between the container lid with which the lighting fixture of FIG. It is a perspective view which shows the relationship between the container lid with which the lighting fixture of FIG. 1 is equipped, and waterproofing packing seeing from diagonally lower side. FIG. 6 is a cross-sectional view illustrating a lighting fixture according to a second embodiment. 6 is a cross-sectional view illustrating a lighting fixture according to Example 3. FIG.

  The sealed container of Embodiment 1 has an open / close port and a closed container body having a plurality of screw holes provided around the open / close port; a container lid provided with a plurality of screw through holes on the periphery; A ring-shaped first surrounding portion sandwiched between the periphery of the opening / closing port and the back side of the peripheral portion, which is formed integrally with the first surrounding portion, is integrally formed with the first peripheral portion. A second enclosing portion that covers the portion from the front side, and a plurality of screw through holes that penetrate the first enclosing portion and communicate with the screw through holes of the container lid. A waterproof packing supported; a plurality of screws which are removably screwed into the screw holes through the screw through holes communicating with the waterproof packing and the container lid to attach the container lid to the sealed container body; And characterized by comprising:

  In the first embodiment, the opening / closing port of the sealed container body may be round or square, for example, a square, and when the opening / closing port is a square, screw holes may be provided near the four corners. preferable. In the first embodiment, an elastomer or a synthetic rubber can be used as a sealing material forming the waterproof packing. In the case of a sealed container that requires weather resistance over a long period of time, a silicone resin may be used as the sealing material. preferable. The sealed container of the first embodiment can be suitably implemented as, for example, a fixture body of a lighting fixture that is installed outdoors or in a place where it may be exposed to moisture, but is not limited to this, and is required to be waterproof. It can be applied to all sealed containers.

  In the sealed container of Embodiment 1, the container lid can be attached to and detached from the sealed container body with the attachment and detachment of a plurality of screws. When the container lid is attached to the sealed container body, the sealed container passes through the first enclosure portion of the waterproof packing. By tightening the plurality of screws, the first enclosure portion of the waterproof packing is sandwiched between the opening / closing port of the sealed container body and the back side of the peripheral portion of the container lid, so that the waterproof property at the attachment portion of the container lid can be secured. . Then, if necessary, the container lid is removed and the opening / closing port is opened, so that necessary measures can be taken for the components incorporated in the sealed container body through the opening / closing port.

  Since the ring-shaped waterproof packing wraps the peripheral portion of the container lid with the first surrounding portion and the second surrounding portion and is supported by the container lid, it can be handled integrally with the container lid. For this reason, it is possible to prevent the waterproof packing from being displaced from the predetermined position with respect to the container lid removed from the sealed container body, and the waterproof packing is dropped even though the waterproof packing is attached and detached together with the container lid. It can be suppressed. In addition, in order to prevent such displacement and dropout, it is not necessary to attach the waterproof packing to the container lid or the like with an adhesive, so even if the waterproof packing is made of a highly weather-resistant silicone resin, it is reduced by the above-described configuration. It is possible to prevent the waterproof packing from coming off at a cost.

  The sealed container according to the second embodiment is the same as the first embodiment except that an annular groove that opens to the back side of the container lid is provided in the container lid, and an annular third enclosure that closely fits into the annular groove is provided in the waterproof packing. It is characterized by providing.

  In the second embodiment, in addition to the first embodiment, even when an external force may be applied in the direction of removing the waterproof packing from the peripheral portion of the container lid with the container lid removed, the annular groove of the container lid Since the third surrounding portion of the waterproof packing is hooked, the state where the waterproof packing wraps the peripheral portion of the container lid can be maintained using this hook as a stopper. For this reason, it is possible to hold | maintain a waterproof packing reliably in a predetermined position with respect to the container lid of the removed state.

  Furthermore, in Embodiment 2, in addition to the closeness between the third surrounding portion and the annular groove into which the third surrounding portion is inserted being increased by the tightening force of the screw, the insertion portion is provided between the container lid and the waterproof packing. The inundation path is bent and secured for a long time. Therefore, it is possible to more surely suppress the water passing between the container lid and the waterproof packing.

  The airtight container of Embodiment 3 is characterized in that, in Embodiment 1 or 2, a stopper convex portion that bites into the first surrounding portion by tightening the screw is provided on the peripheral portion.

  The third embodiment has the following advantages over the first or second embodiment. That is, as the container lid is screwed to the sealed container body, the screw tightening portion is compressed to the maximum among the first surrounding portions positioned so as to extend between the adjacent screws, whereas these maximum The intermediate part between the compression parts tends to be deformed in a direction away from the part around the opening / closing port of the closed container body. However, the stopper convex portion provided on the peripheral portion of the container lid bites into the first surrounding portion and presses the intermediate portion, thereby preventing the deformation and the first surrounding with respect to the portion around the opening / closing port of the sealed container body. The closeness of the part can be increased. For this reason, it is possible to more reliably suppress the inundation that passes between the portion around the opening / closing port of the sealed container body and the waterproof packing.

  The sealed container according to Embodiment 4 is the same as Embodiment 3, except that the opening and closing port and the container lid are both rectangular, the stopper projections are provided at both ends in the longitudinal direction of the container lid, and the screw of the container lid is used. The through hole is provided between the stopper convex portions respectively disposed at the one end and the other end in the longitudinal direction.

  The fourth embodiment has the following advantages over the third embodiment. In other words, when the container lid is screwed to the sealed container body, the screwing proceeds due to the positional relationship between the screw tightening position defined by the threaded hole of the container lid and the stopper protrusion in the longitudinal direction of the container lid. From the time when the stopper convex part bites into the first surrounding part, the tightening force of the screw so as to press the part extending in the longitudinal direction of the peripheral part of the container lid against the part around the opening / closing port of the sealed container body, The stopper convex portion acts as a fulcrum. For this reason, although the container lid is rectangular, it is waterproofed only by tightening screws screwed through the four corners of the container lid without screwing the middle part of the circumferentially extending portion of the container lid. The first enclosure portion of the packing can be reliably brought into close contact with the opening / closing port of the sealed container body to ensure waterproofness at the attachment portion of the container lid.

  In the sealed container of Embodiment 5, in any one of Embodiments 1 to 4, the diameter of the screw hole of the waterproof packing is smaller than the diameter of the screw shaft portion of the screw that is passed through the screw hole. It is characterized by that.

  In this fifth embodiment, in any of the first to fourth embodiments, the screw shaft portions of the plurality of screws are further elastically deformed around the screw through holes of the waterproof packing and passed through the screw through holes. Even when the waterproof packing is removed from the sealed container main body together with the container lid, the screw shaft portion is maintained in a state of being caught by the screw through hole of the waterproof packing. Therefore, it is possible to easily perform the operation of attaching the container lid to the sealed container body again as the screw is prevented from being dropped and lost with the container lid removed.

  A lighting fixture according to a sixth embodiment is the sealed container according to any one of the first to fifth embodiments, and a fixture main body configured by mounting a translucent member on a sealed container main body provided in the sealed container; A light-emitting part that is built in the instrument body and emits light toward the translucent member; and an electrical component that is built in the instrument body and energizes the light-emitting part so as to face the opening / closing port of the instrument body; It is characterized by comprising;

  In this Embodiment 6, the lighting fixture provided with the instrument main body which consists of the airtight container in any one of Embodiment 1 to 5 which can anticipate suppressing that the waterproof packing attached to the container lid remove | deviates at low cost. Can be provided.

  Hereinafter, the lighting fixture provided with the fixture main body which consists of the airtight container of Example 1 is demonstrated in detail with reference to FIGS.

  1-3, the code | symbol 1 has shown the lighting fixture supported by the fixture holder which is not shown in figure. The fixture holder and the lighting fixture 1 constitute a lighting device. Reference numeral 2 in the figure denotes a bolt (not shown) included in a connecting means for connecting the fixture holder and the lighting fixture 1 and a bolt holder for preventing the bolt from rotating at predetermined positions in the longitudinal direction. A connecting groove is shown.

  The luminaire 1 is installed together with a fixture holder outdoors in order to emit light upward and illuminate an irradiation target, for example, a wall surface of a building. The fixture body 11 provided in the lighting fixture 1 is composed of a sealed container described below. The instrument main body 11 includes a main body case 12 forming a sealed container main body, a translucent member 23, a pair of pressing edges 25, two side plates 31, a container lid 45, and the like.

  The main body case 12 is obtained by cutting a metal mold material such as an aluminum alloy extrusion mold material into a predetermined length, and is, for example, long. As shown in FIG. 3, the main body case 12 is integrally formed with a flat case bottom wall 14 (see FIGS. 2 and 4) at the lower end of the case side wall 13 facing the width direction (short direction) perpendicular to the longitudinal direction. It is formed continuously. Thereby, both ends in the longitudinal direction of the main body case 12 are opened, and the space between the case side walls 13 is also opened upward. On the inner surface of the case side wall 13, support protrusions 15 are provided so as to extend over the entire length of the main body case 12 in the longitudinal direction. The groove 2 is formed in one case side wall 13.

  As shown in FIG. 3, the opposite case side walls 13 each have a connecting end 16. These connecting end portions 16 are provided, for example, as upper end portions of the case main body 13 and are opposed to and parallel to the width direction of the main body case 12. The connecting end portion 16 is provided with a seal groove 17 and a plurality of screw holes (not shown). The seal groove 17 extends over the entire length in the longitudinal direction of the connecting end portion 16 and is opened upward. Each screw hole is provided at a position displaced from the seal groove 17 along the width direction of the connecting end portion 16, and a plurality of screw holes are provided at intervals in the longitudinal direction of the connecting end portion 16.

  An upper tapping hole 18 and a lower tapping hole 19 are provided in the main body case 12. The upper tapping hole 18 is formed integrally with the case side wall 13 in the vicinity of the back side (lower side) of the connecting end portion 16. The lower tapping holes 19 are respectively formed at corners where the case side wall 13 and the case bottom wall 14 are continuous.

  A waterproof ring 21 (see FIG. 3) is supported on the main body case 12. The waterproof ring 21 is formed into a square shape corresponding to the size of the main body case 12, for example, a long square ring shape, by a sealing material that can be elastically deformed, for example, a silicone resin having excellent weather resistance. The longer part of the waterproof ring 21 is fitted in the seal groove 17 and supported by the connecting end 16, and the shorter part of the waterproof ring 21 is disposed over the parallel connecting end 16.

  The translucent member 23 is formed of a translucent material such as a glass plate, and has a square shape that is slightly larger than the waterproof ring 21, such as a long rectangle. The translucent member 23 arranged over the parallel connecting end portions 16 is supported by a waterproof ring 21 in contact with the peripheral portion from below.

  The two straight holding edges 25 are obtained by cutting a metal mold material, for example, an aluminum alloy extrusion mold material, into the same length as the main body case 12, and have a tapping hole 26. The tapping hole 26 penetrates the presser edge 25 in the longitudinal direction. As shown in FIGS. 1 and 3, the presser edge 25 has a plurality of connecting holes 27. The connecting holes 27 are provided at intervals in the longitudinal direction of the presser edge 25 and penetrate the presser edge 25 in the vertical direction perpendicular to the tapping hole 26.

  The holding edges 25 are respectively connected to the connecting end portions 16 by connecting screws (not shown) inserted into the connecting holes 27 from above and screwed into screw holes (not shown) of the connecting end portions 16. By this connection, the presser edge 25 sandwiches the longer edge of the translucent member 23 between the waterproof ring 21 in the vertical direction. As a result, the waterproof ring 21 is elastically deformed so as to be compressed, and is in close contact with the seal groove 17 and the lower surface of the translucent member 23, respectively, so that waterproofing around the translucent member 23 is ensured. Note that reference numeral 28 in FIG. 3 indicates a cushioning material made of rubber, elastomer or the like attached to the presser edge 25. Due to the buffering action of the cushioning material 28, it is possible to prevent excessive stress from acting on the translucent member 23 as the presser edge 25 is screwed to prevent the translucent member 23 from being damaged.

  The side plate 31 is a die-cast product made of a metal such as an aluminum alloy. The side plate 31 has an end portion of the main body case 12 with a waterproof member 33 sandwiched between an end surface in the longitudinal direction of the main body case 12, an end surface in the longitudinal direction of the translucent member 23, and an end surface in the longitudinal direction of the pressing edge 25. It is connected to.

  This connection is achieved by the screw 35 (see FIGS. 1 and 2) screwed into the upper tapping hole 18 of the main body case 12 through the side plate 31 and the waterproof member 33, and through the side plate 31 and the waterproof member 33. A screw 36 (see FIGS. 1 and 2) screwed into the lower tapping hole 19 and a screw 37 (see FIGS. 1 and 2) screwed into the tapping hole 26 of the presser edge 25 through the side plate 31 and the waterproof member 33. ).

  The waterproof member 33 is a sealing material that can be elastically deformed, such as a silicone resin having excellent weather resistance. The side plate 31 and the waterproof member 33 have escape grooves that open the ends in the longitudinal direction of the grooves 2. In FIG. 1 and FIG. 3, reference numeral 38 denotes a cover member that is fastened together with a screw 37. The cover member 38 covers and protects the end of the translucent member 23 in the longitudinal direction.

  The main body case 12 has an opening / closing port 41 (see FIG. 2). The opening / closing port 41 is rectangular, and is provided, for example, at one end of the case bottom wall 14 in the longitudinal direction with its longitudinal direction coinciding with the longitudinal direction of the main body case 12. Further, the main body case 12 has a plurality of screw holes 42 around the opening / closing port 41. As shown in FIG. 2, these screw holes 42 are provided in the case bottom wall 14, for example, in the vicinity of the four corners of the opening / closing port 41.

  A container lid 45 for opening and closing the opening / closing port 41 is detachably screwed to the main body case 12. The container lid 45 is attached and detached together with a waterproof packing 61 which will be described later, and is made of a metal, for example, an aluminum die-cast product in order to ensure strength. If high strength is not required, the container lid 45 can be made of hard synthetic resin.

  The container lid 45 is similar in shape to the opening / closing opening 41 in a plan view and is a rectangle larger than the opening / closing opening 41. The container lid 45 has, for example, a long rectangular frame-shaped annular wall 46 protruding from the back surface (lower surface) thereof. A peripheral portion 47 of the container lid 45 is formed at a portion continuous outward from the annular wall 46.

  The peripheral portion 47 has a thick portion 47a continuous to the annular wall 46 and a region surrounded by the annular wall 46, and a thin portion 47b continuous to the thick portion 47a. The surface of the thin portion 47b is lowered with respect to the surface of the thick portion 47a, and the back surface of the thick portion 47a and the back surface of the thin portion 47b are flush with each other. The container lid 45 is provided with an annular groove 48 opened on the back surface thereof. The annular groove 48 is formed between the annular wall 46 and the thick portion 47a.

  Screw holes 49 are respectively provided in the corners of the peripheral portion 47, for example. The plurality of screw through holes 49 penetrate the corners of the thin portion 47b. In FIG. 7, reference numeral 50 denotes a short cover cylinder portion that is integrally provided on the surface of the peripheral portion 47 so as to surround the screw through hole 49.

  A pair of stopper convex portions 51 are provided on both ends in the longitudinal direction of the container lid 45 and on the back surface of the peripheral portion 47. In addition, the stopper convex part 51 can also be provided continuously so as to extend in the short direction of the container lid 45. Each screw hole 49 is provided between the stopper convex portions 51 provided at both longitudinal ends of the container lid 45. In other words, the screw through hole 49 is provided at a position shifted toward the center in the longitudinal direction of the container lid 45 with reference to the stopper convex portions 51 provided at both ends in the longitudinal direction of the container lid 45, as a specific example. As shown in FIG. 6, screw holes 49 are respectively provided between the annular wall 46 and the annular groove 48 and the stopper projection 51. In FIG. 4 and FIG. 6, symbol A indicates the displacement dimension.

  A through hole 52 is formed in a region surrounded by the annular wall 46 of the container lid 45. An electric wire holder (not shown) composed of a flange portion in contact with the back surface of the region and a holder cylindrical portion protruding integrally from the flange portion is passed through the through hole 52, and a nut member is provided on the outer periphery of the holder cylindrical portion. Are screwed together. The holder cylindrical portion has a plurality of cut grooves opened at the tip thereof and can be reduced in diameter. A waterproof cylinder capable of elastic deformation is supported on the inner surface of the holder cylindrical portion, and by tightening the nut member, the wire holder is attached to the container lid 45 in a watertight manner, and the holder cylindrical portion is reduced in diameter, The cylindrical portion is brought into close contact with the outer periphery of a power supply wire (not shown) that is passed through the electric wire holder, so that the water tightness of the through portion can be secured.

  The waterproof packing 61 is formed of a sealing material that can be elastically deformed, for example, a silicone resin that is excellent in weather resistance, and is formed in a size corresponding to the container lid 45, for example, in a rectangular frame shape. The waterproof packing 61 has a first surrounding part 62 to a third surrounding part 64, a close bead 65, and a plurality of screw holes 66.

  As shown in FIGS. 3 and 5, the first surrounding portion 62 is a portion in contact with the outer peripheral surface of the opening / closing port 41, and is continuously provided in an annular shape without interruption as shown in FIG. 6 and the like. A close bead 65 protruding toward the outer surface of the peripheral portion of the opening / closing port 41 is integrally provided on the first surrounding portion 62. The close bead 65 is also continuously provided in an annular shape without interruption. The second surrounding portion 63 is a portion integrally connected to the first surrounding portion 62 so as to be folded back from the outer periphery of the first surrounding portion 62 in order to cover the peripheral portion 47 of the container lid 45 from the front side, is there. The waterproof packing 61 is supported by the container lid 45 by wrapping the peripheral portion 47 of the container lid 45 with the first surrounding portion 62 and the second surrounding portion 63.

  The third surrounding portion 64 is integrally provided on the inner periphery of the first surrounding portion 62. The third surrounding portion 64 is continuous so as to be bent at a substantially right angle with respect to the first surrounding portion 62, and is continuously provided in an annular shape without interruption. The third surrounding portion 64 is closely fitted in the annular groove 48. Further, the waterproof packing 61 is integrally provided on the inner periphery of the first surrounding portion 62 with a back side protruding portion 67 that is continuous with the third surrounding portion 64 and protrudes to the opposite side of the third surrounding portion 64. . The back side protruding portion 67 is also continuously provided in an annular shape without interruption, and the second surrounding portion 64 and the back side protruding portion 67 are brought into close contact with the outer peripheral surface of the annular wall 46. In addition, the back side protrusion part 57 is formed in a tapered shape to facilitate insertion into the opening / closing port 41.

  The screw through holes 66 are provided at the four corners of the tight bead 65 and penetrate the waterproof packing 61 in the thickness direction. These screw through holes 66 communicate with the screw through holes 49 of the container lid 45 in a state where the waterproof packing 61 is supported by being covered by the peripheral portion 47 of the container lid 45.

  The container lid 45 is attached to the case bottom wall 14 of the main body case 12 with a plurality of screws 69 (see FIG. 2) together with the waterproof packing 61 that surrounds the peripheral portion 47 and is supported by the container lid 45. The screw 69 is detachably screwed into the screw hole 42 of the case bottom wall 14 through the screw through hole 49 of the container lid 45 and the screw through hole 66 of the waterproof packing 61 communicated therewith. The cover cylinder portion 50 covering the screw head of each screw 69 not only makes it difficult to visually recognize the screw head, but also allows water to be drained so that water does not easily reach the screw head.

  The diameter of the screw through hole 66 of the waterproof packing 61 is smaller than the diameter of the screw shaft portion of the screw 69. For this reason, the screw shaft portion of the screw 69 penetrates the screw passage hole 66 in a state where the peripheral portion of the screw passage hole 66 of the waterproof packing 61 is elastically deformed.

  The instrument body 11 having the above-described configuration includes a light source unit 71, a power supply unit 81, and other electrical components such as a terminal block 83 and a surge protector 85.

  As shown in FIG. 3, the light source unit 71 includes a unit base 72, for example, a plurality of light emitting modules 74 (only one is shown), the same number of lenses 77 as the light emitting modules 74, and the like.

  The unit base 72 is obtained by cutting a metal mold material, such as an aluminum alloy extrusion mold material, to a length slightly shorter than the main body case 12. The unit base 72 has engaging grooves 72 a that open on both side surfaces in the width direction and groove portions 72 b that open upward. These extend over the entire length of the unit base 72 in the longitudinal direction.

  The light emitting module 74 is formed, for example, by mounting a plurality of light emitting portions 76 (only one is shown) and a pair of electric wire connectors (not shown) on a rectangular module substrate 75. The total length of the module substrate 75 is shorter than the total length of the unit base 72. FIG. 3 shows a cross section in the short direction (width direction) orthogonal to the longitudinal direction of the module substrate 75.

  Each light emitting unit 76 is located at the center of the module substrate 75 in the short-side direction and is mounted at regular intervals in the longitudinal direction of the module substrate 75, and is electrically connected via a wiring pattern (not shown) of the module substrate 75. Are connected in series. For example, LEDs formed of LED packages are used for these light emitting portions 76. Therefore, the light emitting module 74 is an LED light emitting module, and the lighting fixture 1 provided with the light emitting module 74 is an LED lighting fixture.

  The LED package has an LED chip mounted on a base provided with an electrode, and a reflector having a concave portion on a truncated cone that accommodates the LED chip is mounted, and the concave portion has a light-transmitting seal containing a phosphor. It is formed by filling a resin. In this LED package, since an LED chip that emits blue light is used, a yellow phosphor is used to obtain white illumination light.

  Since light emission of an LED is realized by passing a forward current through a pn junction of a semiconductor, the LED is a solid element that directly converts electric energy into light. A semiconductor light-emitting element that emits light based on such a light emission principle has an energy saving effect as compared with an incandescent bulb that inclines a filament to a high temperature by energization and emits visible light by its thermal radiation.

  The wire connectors (not shown) are respectively mounted on both end portions of the module substrate 75 in the longitudinal direction. These wire connectors are electrically connected to the ends of the rows formed by the plurality of light emitting portions 76 disposed therebetween. At the same time, the adjacent light emitting modules 74 are electrically connected in series via electric wires wired over the electric wire connector.

  Each light emitting module 74 is fitted into the groove 72b from above. The light emitting module 74 is fixed to the unit base 72 with screws (not shown) screwed into the unit base 72 through the module substrate 75 with the light emitting portion 76 facing upward. By such screwing, the light emitting modules 74 are disposed on the unit base 72 at intervals along the longitudinal direction, and preferably at regular intervals.

  Each lens 77 is made of an integrally molded product of translucent synthetic resin, and includes a lens portion and a plurality of mounting legs that protrude from both sides of the lens portion in the width direction. The lens unit has a length extending over a plurality of light emitting units 76 included in one light emitting module 74 and also has a light incident surface. The shape of the cross section orthogonal to the longitudinal direction of the lens 77 is the same for each part. Each lens 77 is fixed to the unit base 72 so as to cover the light emitting module 74 from above by screws (not shown) screwed into the unit base 72 through its mounting legs. The light incident surface of the lens 77 is opposed directly above the light emitting unit 76.

  The power supply unit 81 shown in FIG. 3 is for supplying power to each light emitting module 74 and causing each light emitting unit 76 to emit light, and is screwed to the lower surface of the unit base 72. 3, 2, and 5, reference numeral 83 denotes a power supply terminal block. The terminal block 83 is attached to the lower surface of the unit base 72 and is electrically connected to the power supply unit 81. A power supply wire (not shown) drawn through the opening / closing port 41 is plugged into the terminal block 83 and connected thereto. Further, a surge protector 85 (see FIG. 5) for absorbing a surge voltage is attached to the lower surface of the unit base 72.

  The light source unit 71 having the above-described structure is inserted into the main body case 12 from one end to the other end of the main body case 12 by fitting the engaging grooves 72a to the support protrusions 15 of the main body case 12, respectively. And is supported between opposing case side walls 13 of the main body case 12. Further, the unit base 72 of the light source unit 71 built in the instrument body 11 is sandwiched between waterproof members 33 from the longitudinal direction. Furthermore, the terminal block 83 built in the instrument main body 11 is disposed facing the opening / closing port 41 as shown in FIGS. 2 and 6.

  The luminaire 1 having the above-described configuration is installed outdoors as a projector in a substantially horizontal state with the translucent member 23 facing upward in order to illuminate the wall surface of a building. When the light emitting unit 76 of the light source unit 71 included in the lighting fixture 1 emits light, the upward illumination light emitted from the light emitting unit 76 first enters the lens 77, and the projection angle is set by the lens 77 to the width of the fixture body 11. The light is spread in the direction and emitted from the upper surface (light emitting surface) of the lens 77. The emitted light is transmitted upward through the translucent member 23 located immediately above the lens 77. Thereby, wall surface illumination is performed.

  The heat generated by the LED chip included in the light emitting unit 76 during the illumination is conducted to the metal unit base 72 through the module substrate 75 and further conducted from the unit base 72 to the metal main body case 12, and this main body case. 12 is discharged to the outside from the outer surface. Therefore, the temperature rise of the LED chip is suppressed, and it is possible to suppress a decrease in the light emission efficiency.

  A procedure for screwing the container lid 45 to the main body case 12 in the final process when the lighting fixture 1 is assembled will be described.

  First, the waterproof packing 61 is put on the peripheral portion 47 of the container lid 45. In this case, the first surrounding portion 62 and the second surrounding portion 63 of the waterproof packing 61 are covered over the front and back of the peripheral portion 47. Specifically, the first surrounding portion 62 overlaps the entire back surface of the peripheral portion 47, and the second surrounding portion 63 overlaps the end surface and the surface of the thin portion 47b of the peripheral portion 47, whereby the entire peripheral portion 47 is surrounded by the first surrounding portion. The annular waterproof packing 61 is supported by the peripheral portion 47 of the container lid 45 in a state of being wrapped by the portion 62 and the second surrounding portion 63.

  At the same time, the third surrounding portion 64 is fitted into the annular groove 48 of the container lid 45 so as to cover the peripheral portion 47 from the inner peripheral side, and the back side protruding portion 67 continuous with the third surrounding portion 64. Is in contact with the outer peripheral surface of the annular wall 46 of the container lid 45 together with the third surrounding portion 64. Further, the screw holes 49 at the four corners of the container lid 45 and the screw holes 66 at the four corners of the waterproof packing 61 are communicated with each other.

  Next, after inserting a wire holder (not shown) into the wire hole of the container lid 45, the insulation covered wire (not shown) for supplying power is passed through the holder, and then the nut member (not shown) through which the wire has already been passed The wire passing through the container lid 45 is temporarily held by being screwed into the wire holder.

  Thereafter, the tip of the electric wire is passed through the opening / closing port 41 of the main body case 12 and inserted and connected to the terminal block 83 facing the opening / closing port 41.

  Finally, the container lid 45 with the waterproof packing 61 supported on the peripheral portion 47 is screwed to the case bottom wall 14, and the nut member is finally tightened to secure the waterproofness of the through portion.

  The container lid 45 is screwed by passing the screw 69 through the screw hole 66 and the screw hole 49 communicating with the screw hole 66 and screwing the screw 69 into the screw hole 42 of the case bottom wall 14. 3 and 5 show a state in which the container lid 45 is screwed to the main body case 12 by the above procedure.

  By such screwing, the first surrounding portion 62 of the waterproof packing 61 is compressed and is sandwiched between the back side of the peripheral portion 47 of the container lid 45 and the portion around the opening / closing port 41 of the case bottom wall 14. In this case, the stopper convex portion 51 of the first surrounding portion 62 is in a compressed state and is in closer contact with the portion around the opening / closing port 41 stronger than the portion other than the stopper convex portion 51 of the first surrounding portion 62. Thereby, the waterproofness between the part of the case bottom wall 14 around the opening / closing port 41 and the first surrounding portion 62 can be secured.

  As the container lid 45 is screwed to the case bottom wall 14 described above, the first surrounding portion 62 is compressed to the maximum by the tightening portions of the screws 69 at the four corners of the container lid 45. On the other hand, the intermediate portion of the portion extending in the short direction of the first surrounding portion 62 positioned so as to extend between the screws 69 adjacent in the short direction of the container lid 45 and adjacent to the longitudinal direction of the container lid 45 The intermediate portions of the longitudinally extending portions of the first surrounding portion 62 positioned so as to extend between the screws 69 tend to be deformed in a direction away from the portion around the opening / closing port 41 of the case bottom wall 14. Tend.

  However, the deformation of the intermediate portion of the portion extending in the short direction of the container lid 45 is caused by the fact that the stopper convex portion 51 provided on the peripheral portion 47 of the container lid 45 in the short direction of the first surrounding portion 62 is accompanied by screwing. It is suppressed by biting into the middle part of the extending part. In addition to this, the closeness of the first surrounding portion 62 to the portion around the opening / closing port 41 of the case bottom wall 14 is increased. For this reason, it is possible to more reliably suppress the inundation passing between the portion around the opening / closing port 41 of the case bottom wall 14 and the waterproof packing 61.

  Further, stopper convex portions 51 are provided at both ends in the longitudinal direction of the rectangular container lid 45, and screw through holes 49 of the container lid 45 are provided between one end and the other end in the longitudinal direction of the container lid 45. It is provided between the positioned stopper convex portions 51. That is, each screw through hole 49 is provided close to the stopper convex portion 51 toward the longitudinal center portion of the container lid 45. For this reason, the portion around the opening / closing port 41 of the case bottom wall 14 and the waterproof packing are provided. It is possible to more reliably suppress the inundation passing between the two.

  Specifically, when the container lid 45 is screwed to the case bottom wall 14 according to the above-described procedure, the tightening position of the screw 69 and the stopper protrusion defined by the screw through hole 49 of the container lid 45 in the longitudinal direction of the container lid 45. Due to the positional relationship with the portion 51, the portion extending in the longitudinal direction of the peripheral portion 47 of the container lid 45 from the point in time when the screwing of the screw 69 proceeds and the stopper convex portion 51 bites into the first surrounding portion 62 is the case. The tightening force of the screw 69 acts on the peripheral portion 47 of the container lid 45 with the stopper convex portion 51 as a fulcrum so as to press against the portion of the bottom wall 14 around the opening / closing port 41. Accordingly, the portion extending in the longitudinal direction of the peripheral portion 47 of the container lid 45 is deformed so as to approach the case bottom wall 14. That is, a portion extending in the longitudinal direction of the peripheral portion 47 of the container lid 45 and a portion around the opening / closing port 41 of the case bottom wall 14 extend in the longitudinal direction of the first surrounding portion 62 of the waterproof packing 17 therebetween. The portion is strongly sandwiched, and the tightness between the waterproof packing 17 and the case bottom wall 14 and the peripheral portion 47 of the container lid 45 is increased.

  For this reason, the first portion of the waterproof packing 61 is simply tightened with the screws 69 screwed through the four corners of the container lid 45 without screwing the intermediate portion of the portion extending in the longitudinal direction of the peripheral portion 47 of the container lid 45. It is possible to secure the waterproofness at the attachment portion of the container lid 45 by reliably bringing the surrounding portion 62 into close contact with the opening / closing port 41 of the case bottom wall 14. Therefore, although the container lid 45 is rectangular, the installation workability of the container lid 45 on which the waterproof packing 61 is supported can be improved as the screwing location can be minimized.

  Further, the closeness between the annular groove 48 of the container lid 45 and the third surrounding portion 64 of the waterproof packing 61 fitted therein is increased with the screwing described above. In addition to this, the annular groove 48 and the third surrounding portion 64 constitute a configuration in which the water immersion path between the peripheral portion 47 of the container lid 45 and the waterproof packing 61 is bent, and this path is ensured for a long time. Therefore, it is possible to more reliably suppress the water passing between the container lid 45 and the waterproof packing 61.

  As described above, it is possible to secure waterproofness at the portion where the container lid 45 is screwed to the case bottom wall 14, so that the electrical parts such as the terminal block 83 built in the instrument body 11 pass through the opening / closing port 41. It is possible to reliably suppress flooding. Moreover, since the waterproof packing 61 is made of silicone resin and has high weather resistance, it is possible to maintain the waterproofness of the luminaire used outdoors for a long period of time, for example, as long as the life of the light emitting part.

  For example, when it becomes necessary to reconnect the power supply wire to the terminal block 83 after the container lid 45 is screwed, the container lid can be removed together with the waterproof packing 61 by loosening the screws 69 and removing them from the screw holes 42. 45 may be removed from the case bottom wall 14 and the opening / closing port 41 may be opened. In this open state, it is possible to take necessary measures for the terminal block 83 and the like in the main body case 12 through the opening / closing port 41.

  Further, when the container lid 45 is attached and detached in the above-described procedure, the ring-shaped waterproof packing 61 having a square frame shape encloses the peripheral portion 47 of the container lid 45 with the first surrounding portion 62 and the second surrounding portion 63. Since it is supported by the container lid 45, it can be handled integrally with the container lid 45.

  For this reason, although the waterproof packing 61 is attached and detached together with the container lid 45, it is possible to suppress the waterproof packing 61 from being displaced from a predetermined position with respect to the container lid 45 removed from the main body case 12 of the instrument body 11. In addition, it is possible to suppress the waterproof packing 61 from falling off.

  Moreover, since the waterproof packing 61 has an annular third surrounding portion 64 fitted in an annular groove 48 opened on the back side of the container lid 45, the container lid 45 is removed with the container lid 45 removed. Even when an external force is applied in the direction of removing the waterproof packing 61 from the peripheral portion 47, the state where the annular groove 48 and the third surrounding portion 64 are hooked is maintained. As a result, the waterproof packing 61 can be securely held at a predetermined position with respect to the removed container lid 45 as the waterproof packing 61 can hold the surrounding portion 47 of the container lid 45. .

  Furthermore, it is not necessary to adhere the waterproof packing 61 to the container lid 45 or the like with an adhesive in order to prevent the waterproof packing 61 from slipping or falling off with respect to the container lid 45. For this reason, even if the waterproof packing 61 is made of a highly weather-resistant silicone resin, the waterproof packing 61 can be reliably held at a predetermined position and prevented from coming off from the container lid 45 with the above-described configuration at a low cost. .

  Further, since the diameter of the screw passage hole 66 of the waterproof packing 61 is smaller than the diameter of the screw shaft portion of the screw 69 passed through the screw passage hole 66, the screw shaft portion is around the screw passage hole 66 of the waterproof packing 61. Is elastically deformed and passed through the screw hole 66. Thereby, even if the waterproof packing 61 is removed from the main body case 12 together with the container lid 45, the screw shaft portion of the screw 69 is maintained in a state of being caught by the screw through hole 66 of the waterproof packing 61. Accordingly, it is possible to suppress the screw 69 from falling off and being lost without the container lid 45 being removed without requiring a member for preventing the fall such as a retaining ring. Accordingly, the container lid 45 is again attached to the main body case. It is possible to easily perform the work of attaching to the twelve case bottom walls 14.

  FIG. 8 shows a second embodiment. The second embodiment is different from the first embodiment in the configuration described below, and the other configurations are the same as those in the first embodiment. Therefore, the configuration having the same or similar functions as the first embodiment is described in the first embodiment. The same reference numerals as those in FIG.

  The lighting fixture 1 according to the second embodiment is different from the first embodiment in that the light transmitting member 23 is attached to the main body case 12 and a louver 91 for light distribution control is further provided.

  Specifically, the connecting end portion 16 of the main body case 12 is formed by a hollow portion 16 a, a claw receiving portion 16 b, and a groove forming portion 16 c having a seal groove 17. The seal groove 17 is opened in the lateral direction, that is, in the short direction (width direction) of the main body case 12. The claw receiving portion 16b and the groove forming portion 16c are separated from each other, and the claw receiving portion 16b and the groove forming portion 16c communicate with the hollow portion 16a from above. The claw receiving portion 16 b is provided facing the outside of the main body case 12, and the groove forming portion 16 c is provided on the inner side of the main body case 12. Further, a part of the waterproof ring 21 fitted in the seal groove 17 protrudes between the claw receiving portion 16b and the groove forming portion 16c.

  The translucent member 23 is formed of a translucent resin such as a transparent acrylic resin. The translucent member 23 has the same length as the main body case 12, and the width in the short direction perpendicular to the longitudinal direction is substantially the same as the width of the main body case 12. Locking claws 24 are integrally provided on the back surfaces of both ends of the translucent member 23 in the width direction, and these locking claws 24 extend over the entire length of the translucent member 23 in the longitudinal direction.

  The translucent member 23 is attached to the main body case 12 by closing the space between the connecting end portions 16 of the main body case 12. This attachment is performed by pushing the locking claw 24 of the translucent member 23 in a state where the locking claw 24 is aligned between the claw receiving portion 16b and the groove forming portion 16c, thereby bringing the locking claw 24 into the claw receiving portion 16b within the hollow portion 16a. It is carried out by locking from the lower side.

  In such a mounted state, a part of the waterproof ring 21 fitted in the seal groove 17 is compressed, and the locking claw 24 passed between the claw receiving portion 16b and the groove forming portion 16c is compressed. A waterproof ring 21 is in close contact with the side surface, and waterproofing between the connecting end portion 16 and the translucent member 23 is ensured. Furthermore, the locking state of the locking claw 24 to the claw receiving portion 16b is reinforced by the elastic force of the waterproof ring 21. At the same time, the waterproof ring 21 receives a force that pushes the locking claw 24 at the claw receiving portion 16b, and the stress due to the force is prevented from concentrating on the base of the locking claw 24, thereby improving the durability of the locking claw 24. Is secured.

  According to the mounting structure of the translucent member 23 to the main body case 12 as described above, the translucent member 23 is inserted into the main body case 12 by inserting the locking claw 24 between the claw receiving portion 16b and the groove forming portion 16c. Can be installed. Therefore, compared with the lighting apparatus of the first embodiment, the presser edge and the screw for fixing them are not required, and the side plate is passed through the presser edge as the presser edge described in the first embodiment is omitted. Since the screw to be screwed in can be omitted, the number of parts and assembly man-hours can be reduced.

  The louver 91 is a sheet metal press-processed product, and is formed having a plurality of, for example, two louver pieces 91a and a plurality of louver legs 91b. The louver piece 91a is provided by bending upward. The length of the louver 91 is substantially the same as the length of one light emitting module 74. The louver 91 may be a single louver having the same length as the entire length of the main body case 12.

  The louver legs 91 b of these louvers 91 are fastened together with the mounting legs of the lens 77 with screws 92 and fixed to the unit base 72, and are disposed so as to cover the lens 77. The louver piece 91 a of the louver 91 is disposed so as to be perpendicular to the light exit surface of the lens 77.

  The lighting fixture 1 of Example 2 is the same as Example 1 including the structure which is not shown in figure except the structure demonstrated above. Therefore, even in the second embodiment, since the above-mentioned problem is solved, even if the container lid 45 is removed, it is possible to suppress the waterproof packing 61 attached to the container lid 45 from being removed at low cost. It is possible to provide an appliance main body (sealed container) 11 that can be expected and a lighting fixture 1 including the same. In addition, the lighting fixture 1 of Example 2 is a use which does not interfere even if weather resistance is low, or the use which may have short durability even when a weather resistance is requested | required, for example, the place where it is easy to be exposed to moisture indoors It can be used suitably for the use etc. which illuminate etc.

  FIG. 9 shows a third embodiment. The third embodiment is different from the second embodiment in the configuration described below, and the other configurations are the same as those in the second embodiment. Therefore, the configuration having the same or similar functions as the second embodiment is described in the second embodiment. The same reference numerals as those in FIG.

  In the lighting fixture 1 of the third embodiment, the groove forming portion 16c of the connecting end portion 16 is provided facing the outside of the main body case 12, and the claw receiving portion 16b is provided inside the main body case 12. This is different from the second embodiment.

  The lighting fixture of Example 3 is the same as Example 2 including the structure which is not illustrated except the structure demonstrated above. Therefore, even in the third embodiment, since the above-described problem is solved, even if the container lid 45 is removed, it is possible to suppress the waterproof packing 61 from being removed from the container lid 45 at a low cost. It is possible to provide a simple fixture body (sealed container) 11 and a lighting fixture 1 having the same.

  DESCRIPTION OF SYMBOLS 1 ... Lighting fixture, 11 ... Appliance main body (sealed container), 12 ... Main body case (sealed container main body), 23 ... Translucent member, 41 ... Opening / closing port, 42 ... Screw hole, 43 ... Container lid, 46 ... Annular wall, 47 ... Circumferential part, 48 ... Annular groove, 49 ... Screw through-hole of container lid, 51 ... Stopper convex part, 61 ... Waterproof packing, 62 ... First enclosure part, 63 ... Second enclosure part, 64 ... Third enclosure part , 66: Screw hole for waterproof packing, 69: Screw, 76: Light emitting part, 83 ... Terminal block (electrical part)

Claims (6)

An airtight container body having an opening and closing and a plurality of screw holes provided around the opening and closing;
A container lid provided with a plurality of screw holes on the periphery;
A ring-shaped first surrounding portion sandwiched between the periphery of the opening / closing port and the back side of the peripheral portion, which is formed integrally with the first surrounding portion, is integrally formed with the first peripheral portion. A second enclosing portion that covers the portion from the front side, and a plurality of screw through holes that penetrate the first enclosing portion and communicate with the screw through holes of the container lid. Supported waterproof packing;
A plurality of screws, which are removably screwed into the screw holes through the screw through holes communicating with the waterproof packing and the container lid, and the container lid is attached to the sealed container body;
A hermetically sealed container comprising:   The ring-shaped groove | channel which opens in the back side of the said container lid is provided in the said container lid part, and the cyclic | annular 3rd enclosure part closely inserted in this annular groove is provided in the said waterproof packing, The said packing is characterized by the above-mentioned. Sealed container.   The sealed container according to claim 1, wherein a stopper convex portion that bites into the first surrounding portion by tightening the screw is provided on the peripheral portion.   The opening and closing port and the container lid are both rectangular, and the stopper projections are provided at both longitudinal ends of the container lid, respectively, and the threaded holes of the container lid are provided at one end and the other end in the longitudinal direction. The hermetic container according to claim 3, wherein the airtight container is provided between stopper protrusions respectively disposed on the container.   The diameter of the screw through hole of the waterproof packing is smaller than the diameter of the screw shaft portion of the screw passed through the screw through hole. Airtight container. An airtight container according to any one of claims 1 to 5, wherein an instrument main body is configured by mounting a translucent member on an airtight container main body provided in the container;
A light emitting part that is built in the instrument body and emits light toward the translucent member;
An electrical component built in the container body and energizing the light emitting part so as to face the opening / closing port of the container body;
The lighting fixture characterized by comprising.

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