JP3185999U - lighting equipment - Google Patents

Abstract

The present invention provides a lighting apparatus that can be used not only in a highly humid place and during heavy rain, but also in water.
A first waterproof ring 5 is fitted into a socket 1 so that a contact side peripheral surface of the first waterproof ring and a side peripheral surface of a step peripheral portion 10 of a flange portion 9 are in close contact with each other. The peripheral surface and the upper peripheral surface of the stepped peripheral portion are in close contact. Further, a plurality of protrusions formed on the contact taper peripheral surface of the first waterproof ring are pressed against the upper taper peripheral surface of the upper flange portion 11 of the holder 3 to be elastically deformed and become flat, and the second waterproof case is attached to the lighting case 4. The ring 6 is fitted, and the contact side peripheral surface of the second waterproof ring and the side peripheral surface of the stepped peripheral portion of the flange portion 13 are in close contact, and the contact lower peripheral surface of the second waterproof ring and the upper peripheral surface of the stepped peripheral portion And adhere closely. Further, a plurality of projecting strips formed on the contact taper peripheral surface of the second waterproof ring are pressed against the lower taper peripheral surface of the lower flange portion 12 of the holder 3 to be elastically deformed and become flat.
[Selection] Figure 3

Description

  The present invention relates to a lighting apparatus suitable for use in a humid place such as a tunnel or a horticultural house, outdoors where it is rained, such as a construction site or a road construction site.

  Conventionally, as shown in FIG. 13, for example, this type of lighting fixture includes semi-cylindrical joints 22a and 22b provided so as to sandwich an electric wire cord 21 and lead wire portions 21a and 21b, and the drawer. A socket 23 connected to the wire portions 21a and 21b, and a transparent or translucent plastic lighting case body 26 fixed by screwing a central female screw portion 25 into the male screw portion 24 of the joint bodies 22a and 22b. There exists what consists of (patent document 1).

  In such a conventional lighting fixture, a waterproof ring 27 is attached to the base of the male thread portion 24 of the joints 22a and 22b in order to waterproof the inside of the lighting case body 26.

  Furthermore, this type of lighting fixture includes, for example, as shown in FIG. 14, a waterproof structure socket 32 in which contact portions with two insulated wires 31, 31 are respectively covered with a waterproof insulating material. Along with 31, 31, there is one that is integrally covered with a waterproof rubber cover 33 (Patent Document 2).

  The conventional lighting fixture thus configured is designed to be able to be used by attaching the light bulb guard 35 using the guard receiver 34 and fitting the light bulb 36 into the socket 32.

Japanese Utility Model Publication No. 6-60613 No. 7-3593

  However, in the conventional lighting fixture shown in FIG. 13, a waterproof ring 27 is attached to the base of the male thread portion 24 of the joints 22a and 22b in order to waterproof the inside of the lighting case body 26. The shape and the like of the waterproof ring 27 are not particularly devised, and the waterproof structure is not perfect, so that the waterproof ring 27 is inadequate because it is submerged in high-humidity places and in heavy rain.

  Further, in the conventional lighting apparatus shown in FIG. 14, even if the waterproofing between the two insulated wires 31 and 31 and the socket 32 is perfect, the space between the socket 32 and the guard receiver 34, or the guard receiver 34 and the bulb guard 35 are not particularly devised, and the waterproofing between them is incomplete, and in the same way as the conventional lighting apparatus shown in FIG. The product was submerged and unsuitable for use.

  Furthermore, in the conventional lighting fixtures shown in FIGS. 13 and 14, the waterproof structure is not perfect, so it is impossible to use underwater. For example, when it falls into water such as a puddle at a construction site. In addition, because the waterproofing is incomplete, it could be flooded and cause accidents such as turning off the lights.

  Therefore, the present invention aims to solve the problems of the conventional lighting fixtures described above, and each component such as between the socket and the guard receiver or between the guard receiver and the lighting case (light bulb guard). It was made for the purpose of providing a lighting fixture that can be used in water as well as in humid places and in rainy weather.

  Therefore, in the lighting fixture of this invention, the first waterproof ring 5 is fitted into the step peripheral portion 10 of the flange portion 9 provided in the socket 1, the socket 1 is inserted into the holder 3, and the step peripheral portion 10 of the flange portion 9 is inserted. By fixing the flange portion 9 and the upper flange portion 11 so that the upper peripheral surface 10b and the upper peripheral surface 11a of the upper flange portion 11 provided on the holder 3 are in contact with each other, the first waterproof ring 5 is The contact side peripheral surface 5a of the first waterproof ring 5 and the side peripheral surface 10a of the stepped peripheral portion 10 are brought into close contact with each other by being pressed by the flange portion 9 and the upper flange portion 11, and the first waterproof ring 5 is in contact therewith. The upper peripheral surface 5b and the upper peripheral surface 10b of the stepped peripheral portion 10 are in close contact with each other, and a plurality of protruding strips 15 formed on the contact tape peripheral surface 5c of the first waterproof ring 5 include the upper flange portion. 11 is pushed on the upper taper peripheral surface 11c. To become flattened elastically deformed, the first waterproof ring 5 contacts Te - on Te on the a path peripheral surface 5c flange portion 11 - adhesion to the path peripheral surface 11c is set to be complete.

  Further, in the lighting fixture of the present invention, the second waterproof ring 6 is fitted into the stepped peripheral portion 14 of the flange portion 13 provided in the lighting case 4 together with or separately from the above configuration, and the holder 3 is attached to the lighting case 4. The lower flange portion 12 and the flange portion 13 are placed so that the lower peripheral surface 12a of the lower flange portion 12 provided on the holder 3 and the upper peripheral surface 14b of the flange portion 13 of the lighting case 4 are in contact with each other. By fixing, the second waterproof ring 6 is pressed by the lower flange portion 12 and the flange portion 13, and the contact peripheral surface 6 a of the second waterproof ring 6 and the peripheral surface 14 a of the step peripheral portion 14. And the contact lower peripheral surface 6b of the second waterproof ring 6 and the upper peripheral surface 14b of the stepped peripheral portion 14 are in close contact, and further formed on the contact tape peripheral surface 6c of the second waterproof ring 6. Multiple protrusions 16 The lower taper surface 12b of the lower flange portion 12 is pressed and elastically deformed to become flat, and the contact taper peripheral surface 6c of the second waterproof ring 6 and the lower taper periphery of the lower flange portion 12 are flattened. The adhesion to the surface 12b is made perfect.

  The lighting device of the present invention is configured as described above, and since the waterproofing between the socket 1 and the holder 3 and between the holder 3 and the lighting case 4 is perfect, It is suitable for use in humid places such as houses, outdoors where it is raining, such as construction and road construction sites, and it can also be used in the water as well as in highly humid places and rainy places. became.

It is a perspective view which shows one Embodiment of the lighting fixture of this invention. It is a front view of the lighting fixture of this invention shown in FIG. It is sectional drawing of the lighting fixture of this invention by the AA line in FIG. The holder of the lighting fixture of this invention is shown, (a) is the perspective view which looked at the holder from diagonally downward, (b) is the perspective view which looked at the holder from diagonally upward. It is the perspective view which looked at the lighting case of the lighting fixture of this invention from diagonally upward. The 1st waterproof ring of the lighting fixture of this invention is shown, (a) is the perspective view which looked at the 1st waterproof ring from diagonally downward, (b) is sectional drawing of the 1st waterproof ring. The 2nd waterproof ring of the lighting fixture of this invention is shown, (a) is the perspective view which looked at the 2nd waterproof ring from diagonally upward, (b) is sectional drawing of the 2nd waterproof ring. It is an enlarged view of the part enclosed with the circle | round | yen a in FIG. In the lighting fixture of this invention, it is explanatory drawing which shows the state before adhering the flange part of a socket and the upper flange part of a holder. It is explanatory drawing which shows the state which fixed the flange part of the socket and the upper flange part of the holder in the lighting fixture of this invention. In the lighting fixture of this invention, it is explanatory drawing which shows the state before adhering the lower flange part of a holder and the flange part of a lighting case. In the lighting fixture of this invention, it is explanatory drawing which shows the state which fixed the lower flange part of the holder and the flange part of the lighting case. It is sectional drawing which shows an example of the conventional lighting fixture. It is a perspective view which shows the other example of the conventional lighting fixture.

  Hereinafter, the form for implementing the lighting fixture of this invention is demonstrated in detail based on drawing.

  As shown in FIGS. 1 to 3, the lighting fixture of this device includes a socket 1, a light emitter 2, a holder 3, a lighting case 4, a first waterproof ring 5, and a second waterproof ring 6.

  The socket 1 is integrally connected to a lead wire portion 7 drawn from an electric wire cord (not shown), and the light emitter 2 is mounted on a base 8 provided on the inner periphery of the lower portion. Further, a flange portion 9 is provided on the outer periphery of the lower portion of the socket 1, and a step peripheral portion 10 for fitting a first waterproof ring 5 described later is provided on the flange portion 9. In the illustrated example, the base 8 is formed with a thread on the inner periphery, but various types of bases can be used according to the form of the light emitter 2.

  In the illustrated example, the light emitter 2 is a spiral fluorescent lamp, but may be a straight tube or a U-shaped tube. The light emitter 2 is generally a fluorescent lamp, but can be an incandescent lamp, a light emitting diode, or the like, and is not particularly limited.

  The holder 3 is made of a hard or synthetic resin molded body such as polycarbonate which is transparent or opaque, and has a substantially dome shape with an upper opening as shown in FIG. 4, and an upper flange is formed on the outer periphery of the upper opening 3a. A portion 11 is provided, an upper tapered peripheral surface 11c is formed from the upper peripheral surface 11a to the inner peripheral surface 11b of the upper flange portion 11, and a lower flange portion 12 is provided on the outer periphery of the lower portion. A lower tapered peripheral surface 12b is formed from the surface 12a to the inner peripheral surface 3b of the holder 3.

  The lighting case 4 is made of a rigid synthetic resin molded body such as polycarbonate that is transparent or translucent, and has a bottomed cylindrical shape as shown in FIG. The flange portion 13 is provided with a stepped peripheral portion 14 for fitting a second waterproof ring 6 described later. In the illustrated case, the shape of the cylindrical portion of the illumination case 4 is substantially cylindrical. However, the illumination case 4 can have various shapes such as a shape corresponding to the shape of the light emitter 2.

The first waterproof ring 5 is made of an elastically deformable material such as rubber or synthetic resin, and as shown in FIG. 6, is formed in a size that is just fitted into the stepped peripheral portion 10 of the socket 1. The contact side peripheral surface 5a that is in contact with the side peripheral surface 10a of the step peripheral portion 10, the contact upper peripheral surface 5b that is in contact with the upper peripheral surface 10b of the step peripheral portion 10, and the upper flange of the holder 3 As a circular ring having a contact tapered peripheral surface 5c that is in contact with the upper tapered peripheral surface 11c of the portion 11, and a non-contact peripheral surface 5d formed between the contact upper peripheral surface 5b and the contact tapered peripheral surface 5c. Yes. Then, the contact tapered circumferential surface 5c is assumed to have an inclination angle alpha _1. The inclination angle α ₁ is preferably the same as the inclination angle β ₁ of the upper taper circumferential surface 11 c of the holder 3, since the contact degree between the contact taper circumferential surface 5 c and the upper taper circumferential surface 11 c is improved. The inclination angles α ₁ and β ₁ are set to 15 to 45 degrees. Further, a plurality (two in the drawing) of projecting peripheral strips 15 are formed on the contact tapered peripheral surface 5c.

The second waterproof ring 6 is made of rubber or synthetic resin and can be elastically deformed. As shown in FIG. 7, the second waterproof ring 6 is formed in a size that fits just into the stepped peripheral portion 14 of the lighting case 4. A contact side peripheral surface 6a that is in contact with the side peripheral surface 14a of the step peripheral portion 14, a contact lower peripheral surface 6b that is in contact with a lower peripheral surface 14b of the step peripheral portion 14; The circular ring has a contact taper surface 6c that is in contact with the taper surface 12b and a non-contact surface 6d formed between the contact lower surface 6b and the contact taper surface 6c. Then, the contact tapered circumferential surface 6c is assumed to have an inclination angle alpha _2. The inclination angle α ₂ is preferably the same as the inclination angle β ₂ of the lower taper circumferential surface 12 b of the holder 3, since the contact degree between the contact taper circumferential surface 6 c and the lower taper circumferential surface 12 b is improved. The inclination angles α ₂ and β ₂ are set to 15 to 45 degrees. In addition, a plurality (two in the drawing) of projecting peripheral strips 16 are formed on the contact tapered peripheral surface 6c.

  The lighting fixture of this invention provided with each member as described above is configured as follows.

  First, in the lighting fixture of the present invention, the first waterproof ring 5 is fitted into the stepped peripheral portion 10 of the flange portion 9 of the socket 1, and the stepped peripheral portion 10 of the socket 1 is attached to the holder 3 from the state shown in FIG. 9. As shown in FIG. 10, the flange portion 9 is inserted into the upper opening 3a so that the upper peripheral surface 10b of the stepped peripheral portion 10 and the upper peripheral surface 11a of the upper flange portion 11 of the holder 3 are in contact with each other. The upper flange portion 11 is fixed with screws S, bolts and nuts (not shown) or the like.

In this way, as shown in FIG. 10, the first waterproof ring 5 is pressed by the flange portion 9 and the upper flange portion 11, and the contact-side peripheral surface 5a of the first waterproof ring 5 and the stepped peripheral portion. 10 side peripheral surfaces 10a are in close contact with each other, and a contact upper peripheral surface 5b of the first waterproof ring 5 and an upper peripheral surface 10b of the stepped peripheral portion 10 are in close contact with each other. A plurality of protruding strips 15 on the contact tape peripheral surface 5c of the first waterproof ring 5 are pressed against the upper taper peripheral surface 11c of the upper flange portion 11 to be elastically deformed and flattened. The contact surface between the contact taper peripheral surface 5c of the waterproof ring 5 and the upper taper peripheral surface 11c of the upper flange portion 11 spreads, and the adhesiveness becomes perfect. Further, when the plurality of protrusions 15 are elastically deformed and become flat, a pressing force acts on the contact side peripheral surface 5a as a reaction force, and the contact side peripheral surface 5a and the side periphery Adhesion with the surface 10a is also complete. In this case, the inclination angle alpha ₁ of the contact tapered circumferential surface _5c, the inclination angle beta ₁ of the upper tapered peripheral surface 11c is to the 15-45 degrees, the contact surface is spread with a plurality of circular projection strip 15 is elastically deformed It becomes easy and the adhesion between the contact taper peripheral surface 5c and the upper taper peripheral surface 11c becomes perfect.

  Further, in the lighting fixture of the present invention, the second waterproof ring 6 is fitted into the stepped peripheral portion 14 of the flange portion 13 of the lighting case 4, and the lower flange portion 12 of the holder 3 is illuminated from the state shown in FIG. As shown in FIG. 12, the flange portion 13 of the case 4 is covered with the lower flange portion 12 so that the lower peripheral surface 12a of the lower flange portion 12 and the upper peripheral surface 14b of the flange portion 13 are in contact with each other. The flange portion 13 is fixed with screws S, bolts and nuts (not shown) or the like.

Then, as shown in FIG. 12, the second waterproof ring 6 is pressed by the lower flange portion 12 and the flange portion 13, and the contact-side peripheral surface 6a of the second waterproof ring 6 and the stepped peripheral portion. 14 side peripheral surface 14a is in close contact, and the lower contact peripheral surface 6b of the second waterproof ring 6 and the upper peripheral surface 14b of the stepped peripheral portion 14 are in close contact. Then, the plurality of protruding strips 16 on the contact taper circumferential surface 6c of the second waterproof ring 6 are pressed against the lower taper circumferential surface 12b of the lower flange portion 12 to be elastically deformed and flattened. The contact surface between the contact tape peripheral surface 6c of the double waterproof ring 6 and the lower taper peripheral surface 12b of the lower flange portion 12 spreads, and the adhesiveness becomes perfect. Further, when the plurality of projecting peripheral strips 16 are elastically deformed and become flat, a pressing force is concentrated on the contact side peripheral surface 6a as a reaction force, and the contact side peripheral surface 6a and the side periphery Adhesion with the surface 14a is also complete. In this case, the inclination angle alpha ₂ of the contact tapered peripheral surface _6c, is to the inclination angle beta ₂ 15-45 degrees lower tapered circumferential surface 12b, the contact surface is spread more circular projection strip 16 is elastically deformed It becomes easy and the adhesion between the contact taper peripheral surface 6c and the lower taper peripheral surface 12b becomes perfect.

  In the lighting fixture of the present invention configured as described above, the contact side peripheral surface 5a of the first waterproof ring 5 and the side peripheral surface 10a of the step peripheral portion 10 are in close contact with each other, and the first waterproof ring 5 is in contact with each other. Since the peripheral surface 5b and the upper peripheral surface 10b of the stepped peripheral portion 10 are in close contact with each other, the upper peripheral surface 10b and the first waterproof portion of the stepped peripheral portion 10 can be used not only in a highly humid place and during heavy rain, but also in water. Passing between the contact upper peripheral surface 5b of the ring 5 and between the side peripheral surface 10a of the stepped peripheral portion 10 and the contact side peripheral surface 5a of the first waterproof ring 5, the water is immersed in the lighting fixture. There is no. Further, since the adhesiveness between the contact tape peripheral surface 5c of the first waterproof ring 5 and the upper taper peripheral surface 11c of the upper flange portion 11 becomes perfect, the upper taper circumference of the upper flange portion 11 is also achieved. It passes between the surface 11c and the contact taper peripheral surface 5c of the first waterproof ring 5, and does not flood the interior of the lighting fixture.

  Furthermore, in the lighting fixture of the present invention, the contact-side peripheral surface 6a of the second waterproof ring 6 and the side peripheral surface 14a of the stepped peripheral portion 14 are in close contact, and the contact lower peripheral surface 6b of the second waterproof ring 6 and the above-mentioned Since the upper peripheral surface 14b of the stepped peripheral portion 14 is in intimate contact with the second waterproof ring 6, the upper peripheral surface 14b of the stepped peripheral portion 14 is in contact with the second waterproof ring 6 not only in a highly humid place and during heavy rain, but also in water. It does not immerse into the lighting fixture through the space 6b or between the side surface 14a of the stepped peripheral portion 14 and the contact surface 6a of the second waterproof ring 6. Further, since the adhesiveness between the contact taper peripheral surface 6c of the second waterproof ring 6 and the lower taper peripheral surface 12b of the lower flange portion 12 becomes perfect, the lower taper periphery of the lower flange portion 12 is also achieved. It passes between the surface 12b and the contact taper peripheral surface 6c of the second waterproof ring 6, and does not flood the interior of the lighting fixture.

  As described above, the lighting fixture of the present invention improves the adhesion between the socket 1 and the holder 3 and also completes the adhesion between the holder 3 and the lighting case 4. Waterproof between the holder 3 and between the holder 3 and the lighting case 4, and used outdoors in humid places such as tunnels and horticultural houses, as well as in construction and road construction sites. In addition, it can be used not only in humid places and during heavy rain, but also in water.

DESCRIPTION OF SYMBOLS 1 Socket 3 Holder 4 Illumination case 5 1st waterproof ring 5a Contact side peripheral surface 5b Contact upper peripheral surface 5c Contact taper peripheral surface 6 2nd waterproof ring 6a Contact side peripheral surface 6b Contact lower peripheral surface 6c Contact taper peripheral surface 9 Flange part 10 step peripheral portion 10a side peripheral surface 10b upper peripheral surface 11 upper flange portion 11a upper peripheral surface 11c upper taper peripheral surface 12 lower flange portion 12a lower peripheral surface 12b lower taper peripheral surface 13 flange portion 14 step peripheral portion 14a side peripheral surface 14b Upper peripheral surface 15 Projection strip 16 Projection strip

Claims (3)

  The first waterproof ring (5) is fitted into the stepped peripheral portion (10) of the flange portion (9) provided in the socket (1), the socket (1) is inserted into the holder (3), and the flange portion (9) The flange portion (9) and the upper peripheral surface (10b) of the stepped peripheral portion (10) are in contact with the upper peripheral surface (11a) of the upper flange portion (11) provided on the holder (3). By fixing the upper flange portion (11), the first waterproof ring (5) is pressed against the flange portion (9) and the upper flange portion (11), so that the contact side of the first waterproof ring (5) The peripheral surface (5a) and the side peripheral surface (10a) of the stepped peripheral portion (10) are in close contact with each other, and the contact upper peripheral surface (5b) of the first waterproof ring (5) and the stepped peripheral portion (10). The upper peripheral surface (10b) is in intimate contact with the contact taper peripheral surface (5c) of the first waterproof ring (5). A plurality of projecting circumferential strips (15) formed on the upper flange portion (11) are pressed against the upper taper circumferential surface (11c) to be elastically deformed and flattened, and contact the first waterproof ring (5). An illuminating device characterized in that adhesion between the taper peripheral surface (5c) and the upper taper peripheral surface (11c) of the upper flange portion (11) is made perfect.   The second waterproof ring (6) is fitted into the stepped peripheral portion (14) of the flange portion (13) provided in the lighting case (4), the holder (3) is put on the lighting case (4), and the holder (3) The lower flange portion (12) of the lower flange portion (12) provided on the lower flange portion (12a) is brought into contact with the upper peripheral surface (14b) of the flange portion (13) of the lighting case (4). ) And the flange portion (13) are fixed, the second waterproof ring (6) is pressed against the lower flange portion (12) and the flange portion (13), and the second waterproof ring (6) contacts. The side peripheral surface (6a) and the side peripheral surface (14a) of the stepped peripheral portion (14) are in close contact with each other, and the contact lower peripheral surface (6b) of the second waterproof ring (6) and the stepped peripheral portion (14). And the contact taper of the second waterproof ring (6). A plurality of projecting circumferential strips (16) formed on the surface (6c) are pressed against the lower taper circumferential surface (12b) of the lower flange portion (12) to be elastically deformed and flattened. 6) A lighting apparatus characterized in that adhesion between the contact taper peripheral surface (6c) of 6) and the lower taper surface (12b) of the lower flange portion (12) is perfect. The first waterproof ring (5) is fitted into the stepped peripheral portion (10) of the flange portion (9) provided in the socket (1), the socket (1) is inserted into the holder (3), and the flange portion (9) The flange portion (9) and the upper peripheral surface (10b) of the stepped peripheral portion (10) are in contact with the upper peripheral surface (11a) of the upper flange portion (11) provided on the holder (3). By fixing the upper flange portion (11), the first waterproof ring (5) is pressed against the flange portion (9) and the upper flange portion (11), so that the contact side of the first waterproof ring (5) The peripheral surface (5a) and the side peripheral surface (10a) of the stepped peripheral portion (10) are in close contact with each other, and the contact upper peripheral surface (5b) of the first waterproof ring (5) and the stepped peripheral portion (10). The upper peripheral surface (10b) is in intimate contact with the contact taper peripheral surface (5c) of the first waterproof ring (5). A plurality of projecting circumferential strips (15) formed on the upper flange portion (11) are pressed against the upper taper circumferential surface (11c) to be elastically deformed and flattened, and contact the first waterproof ring (5). The adhesiveness between the taper circumferential surface (5c) and the upper taper surface (11c) of the upper flange portion (11) is made perfect,
The second waterproof ring (6) is fitted into the stepped peripheral portion (14) of the flange portion (13) provided in the lighting case (4), the holder (3) is put on the lighting case (4), and the holder (3) The lower flange portion (12) of the lower flange portion (12) provided on the lower flange portion (12a) is brought into contact with the upper peripheral surface (14b) of the flange portion (13) of the lighting case (4). ) And the flange portion (13) are fixed, the second waterproof ring (6) is pressed against the lower flange portion (12) and the flange portion (13), and the second waterproof ring (6) contacts. The side peripheral surface (6a) and the side peripheral surface (14a) of the stepped peripheral portion (14) are in close contact with each other, and the contact lower peripheral surface (6b) of the second waterproof ring (6) and the stepped peripheral portion (14). And the contact taper of the second waterproof ring (6). A plurality of projecting circumferential strips (16) formed on the surface (6c) are pressed against the lower taper circumferential surface (12b) of the lower flange portion (12) to be elastically deformed and flattened. 6) A lighting apparatus characterized in that adhesion between the contact taper peripheral surface (6c) of 6) and the lower taper surface (12b) of the lower flange portion (12) is perfect.

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