JP5743447B2 - Waterproof lighting device and lighting fixture using the waterproof lighting device - Google Patents

Description

  The present invention relates to a waterproof lighting device and a lighting fixture using the waterproof lighting device.

  As a conventional waterproof type lighting device of this type, a leaf spring is inserted into the gap between the outer wall of the lighting device that covers the electrical components and the inner wall of the cylindrical waterproof case body that houses the lighting device, thereby waterproofing the lighting device. There is known one that is brought into close contact with the case body and fixed (for example, see Patent Document 1).

  Further, as another conventional waterproof type lighting device, there is known a resin member such as packing provided with a protrusion protruding inside the waterproof case so that the lighting device housed in the waterproof case is fixed by the protrusion. (For example, refer to Patent Document 2).

Japanese Patent No. 4305003 (FIG. 5) Japanese Patent No. 4337674 (FIGS. 4 to 6)

  However, in the case where a leaf spring is inserted into the gap between the outer shell of the lighting device and the inner wall of the cylindrical waterproof case body that accommodates the lighting device, it is troublesome to insert the leaf spring into the gap. Inferior to sex.

  In addition, if the lighting device housed in the waterproof case is fixed by a protrusion provided on the packing, the lighting device cannot be fixed and adhered securely.

  The technical problem of the present invention is that assembly workability is good, there is no need to newly manufacture a waterproof case for each type of lighting device, the waterproof case can be shared, and the lighting device to be stored has a width dimension relative to the waterproof case. It is to be able to restrict the free movement in the lateral width direction and to perform positioning easily even when the distance is small.

The waterproof lighting device according to the present invention has a cylindrical shape with both ends open, and a waterproof case having a groove extending in the axial direction from one open end to the other open end on the top surface or bottom surface of the inner peripheral surface thereof. And an outer shell that can be accommodated in the waterproof case and covers the electrical component, and the upper surface or the lower surface of the outer shell can be fitted into the groove when accommodated in the waterproof case at a position corresponding to the groove. A lighting device provided with a plurality of protrusions that can be always contacted with the edge and that is used as an electrical contact for grounding, and that is guided in the longitudinal direction of the groove in contact with the edge of the groove when inserted into the waterproof case And a packing that is attached to the opening of the waterproof case and closes the opening, and a mounting bracket that fixes the packing to the opening.

In waterproof lighting apparatus of the present invention aligns the impact force Metropolitan groove and the lighting device of the waterproof case, to insert the lighting device into the waterproof case and houses. Thus, collision force Metropolitan interfere groove edge and the lighting device of the waterproof case, the lighting device while being guided into the groove longitudinal direction, the free movement to its groove width direction is restricted. Moreover, the projections are in contact at all times of the grooves of the edge and the lighting device of the waterproof case, since the electrical contacts of the grounding of these contact portions (relay point), the assembling workability is improved.

1 is a perspective view showing a waterproof lighting device according to an embodiment of the present invention. It is a disassembled perspective view which shows the waterproof type lighting device which concerns on embodiment of this invention. It is a perspective view which expands and shows the A section of FIG. It is a perspective view which shows the specific example of the protrusion of the waterproof lighting device which concerns on embodiment of this invention. It is sectional drawing which shows the example of various combinations of the groove | channel and protrusion of the waterproof lighting device which concerns on embodiment of this invention. It is a perspective view which shows the external appearance of the lighting fixture using the waterproof type lighting device which concerns on embodiment of this invention. It is a disassembled perspective view of the lighting fixture using the waterproofing type lighting device concerning an embodiment of the invention.

  1 is a perspective view showing a waterproof lighting device according to an embodiment of the present invention, FIG. 2 is an exploded perspective view thereof, FIG. 3 is an enlarged perspective view of a portion A in FIG. 2, and FIG. A perspective view and FIG. 5 are sectional views on the end side showing various combinations of grooves and protrusions.

  The waterproof lighting device 1 of the present embodiment has a waterproof case 4 formed in a cylindrical shape with both ends open as shown in FIGS. 1 to 3 and an outer shell that can be accommodated in the waterproof case 4 and covers electrical components. A lighting device 2, a packing 6 that is attached to the opening of the waterproof case 4 and closes the opening, and a mounting fitting 7 that is fastened to the opening by a screw 8 and presses the packing 6 are provided.

  More specifically, the waterproof case 4 has two grooves 5a extending in parallel in the axial direction from one opening end to the other opening end on the top surface of the inner peripheral surface thereof.

  The lighting device 2 can easily be of various widths depending on the electrical components to be accommodated, but the height of each type of lighting device 2 is set to the same size and accommodated in the waterproof case 4. It is possible. A plurality of protrusions 3 that can be fitted into the groove 5a when accommodated in the waterproof case 4 and that are always in contact with at least the edge of the groove 5a are located on the upper surface of the outer case corresponding to the groove 5a of the waterproof case 4. Each is provided.

  Specific examples (two) of the protrusions 3 are shown in FIG. As shown in FIG. 4, various projections such as a half-dome shaped projection 3A formed by embossing or a plate-like projection 3B formed from a cut and raised piece can be used. In any case, it is important that the protrusion 3 is configured to be able to be fitted into the groove 5a and to be always in contact with the edge of the groove 5a when the lighting device 2 is accommodated in the waterproof case 4. Thereby, the groove 5a can be provided with a protrusion guiding function in the groove longitudinal direction and a function of restricting the free movement of the protrusion in the groove width direction. Further, since the protrusion 3 and the edge of the groove 5a are configured to be always in contact with each other, these contact portions can be used as an electrical contact (relay point) such as a ground.

FIG. 5 shows various combinations (four) of grooves and protrusions.
The upper left figure of FIG. 5 shows two grooves 5a formed on the top surface of the inner peripheral surface of the waterproof case 4A, and when the lighting device 2A is accommodated in the waterproof case 4A on the upper surface of the lighting device 2A. A plurality of protrusions 3 that can be fitted into the respective grooves 5a and can always contact at least the edges of the respective grooves 5a are provided.

  In the lower left figure of FIG. 5, a wide single groove 5b is formed on the top surface of the inner peripheral surface of the waterproof case 4B, and the lighting device 2A is accommodated in the waterproof case 4B on the upper surface of the lighting device 2A. In this case, a plurality of protrusions 3 that can be fitted into the groove 5b and can always contact at least both side edges of the groove 5b are provided.

  The upper right diagram in FIG. 5 shows two grooves 5c formed on the bottom surface of the inner peripheral surface of the waterproof case 4C, and each time the lighting device 2B is accommodated in the waterproof case 4C on the lower surface of the lighting device 2B. A plurality of protrusions 3 that can be fitted into the grooves 5c and can always contact at least the edges of the grooves 5c are provided.

  The lower right diagram of FIG. 5 shows that a wide single groove 5d is formed on the bottom surface of the inner peripheral surface of the waterproof case 4D, and the lighting device 2B is accommodated in the waterproof case 4D on the lower surface of the lighting device 2B. In this case, a plurality of protrusions 3 that can be fitted into the groove 5d and can always contact at least both side edges of the groove 5d are provided.

  In any combination example, the height dimensions of the lighting devices 2A and 2B are set to the same size regardless of the lighting device width dimension determined by the electrical components to be accommodated, and the protrusions 3 correspond to the corresponding waterproof cases 4A to 4D. It is configured to be always in contact with the edges of the grooves 5a to 5d. Accordingly, each of the grooves 5a to 5d can be provided with a projection guiding function in the groove longitudinal direction and a function of restricting the free movement of the protrusion in the groove width direction. Further, the contact portions of the grooves 5a to 5d corresponding to the protrusions 3 can be used as electrical contacts (relay points) such as grounds. For this reason, the assembly workability is good, and it is not necessary to make a new waterproof case for each type of lighting device determined by the electrical parts to be accommodated, so that the waterproof case can be shared and the lighting device to be stored is wider than the waterproof case. Even when the dimensions are small, free movement in the lateral width direction can be restricted and positioning can be performed easily.

  FIG. 6 is a perspective view showing an appearance of a lighting fixture using the waterproof lighting device according to the present embodiment, and FIG. 7 is an exploded perspective view thereof.

  The lighting fixture 9 includes a fixture main body 10 to which the waterproof lighting device 1 is attached, and lamps 13 are attached to both ends of the fixture main body 10, and are electrically connected to the waterproof lighting device 1 to power the lamp 13. A lamp socket 11 that supplies light, a reflector 12 that reflects light emitted from the lamp 13, and a lead wire (not shown) that is attached to the fixture body 10 and serves as a relay cable between the waterproof lighting device 1 and an external power source. ).

  More specifically, the lamp socket 11 is provided with a waterproof cover 14 for enhancing the waterproof property of the portion that is in electrical contact with the lamp 13.

  The waterproof lighting device 1 is fixed to the fixture body 10 with a screw or the like, and the ground terminal of the lighting device 2 is electrically connected to the fixture body 10 via the screw or the like.

  The lead wire is divided into a power supply line and a ground line, and the power supply and grounding of the ground line are performed by connection with the outside, and they are electrically connected.

  Thus, the lighting fixture using the waterproof lighting device of the present embodiment reliably grounds the lighting device 2 housed in the waterproof lighting device 1 in addition to the effects of the waterproof lighting device 1 itself. Can do. For this reason, the safety | security and reliability of the lighting fixture using this waterproof type lighting device 1 can be improved, and manufacturing cost can be reduced.

  1 waterproof type lighting device, 2 lighting device, 3, 3A, 3B protrusion, 4, 4A, 4B, 4C, 4D waterproof case, 5a, 5b, 5c, 5d groove, 6 packing, 7 mounting bracket, 8 screw, 9 illumination Appliances 10 Appliance body 11 Lamp socket 12 Reflector 13 Lamp 14 Waterproof cover.

Claims (3)

A waterproof case having a cylindrical shape with both ends open, and a groove extending in the axial direction from one opening end to the other opening end on the top surface or bottom surface of the inner peripheral surface;
The outer case has an outer shell that can be accommodated in the waterproof case and covers an electrical component, and at least the groove that can be fitted into the groove when accommodated in the waterproof case in a portion corresponding to the groove on the upper surface or the lower surface of the outer shell. This contact portion is used as an electrical contact for grounding, and a plurality of protrusions that contact the edge of the groove and are guided in the groove longitudinal direction when inserted into the waterproof case are provided. A lighting device;
A packing attached to the opening of the waterproof case and closing the opening;
A mounting bracket for fixing the packing to the opening;
A waterproof lighting device comprising:   A lighting fixture using the waterproof lighting device according to claim 1.   The lighting apparatus according to claim 2, further comprising a waterproof cover provided at a portion of the lamp socket that is in electrical contact with the lamp.

Images