Fall prevention structure for lighting fixture cover

Abstract

To provide a lighting cover fall prevention structure of a lighting device which enables improvement of the appearance.SOLUTION: The invention is directed to a lighting cover fall prevention structure including a lighting device main part 1 and a lighting cover 7 which is disposed so as to cover an interior part 10 of the lighting device main part 1 from below. The interior part 10 of the lighting device main part 1 is provided with an elastic protruding part which may elastically deform. In a state that the elastic protruding part is elastically deformed, operation for getting the interior part 10 out / into the lighting cover 7 can be conducted. In a state that coupling by coupling means is released, an opening edge of the lighting cover 7 hooks on the elastic protruding part to allow the lighting cover 7 to be temporarily held on the lighting device main part 1.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to a structure for preventing the fall of a lighting cover of a lighting fixture such as a pendant light, a bracket light, a rail light, a chandelier, or a ceiling light, in which the light source is covered by a lighting cover. [Background technology]

[0002] The ceiling light as a lighting fixture shown in Patent Document 1 below comprises a lighting fixture body fixed to the ceiling, and a lighting cover attached to house a light source provided at the bottom end of the lighting fixture body and cover it from below. This lighting cover has an opening at the top end, and the periphery of this opening at the top end is fixed to the lighting fixture body by screws or the like, for example.

[0003] In lighting fixtures with a lighting cover covering the underside, cleaning or maintenance of the inside of the lighting cover or the area covered by the lighting cover requires removing the lighting cover from the lighting fixture body. When removing the lighting cover, the screws are released to separate it from the lighting fixture body, but after releasing the screws, the worker may accidentally slip and cause the lighting cover to fall to the floor, etc.

[0004] Therefore, the lighting fixture in this document is provided with a fall prevention chain to prevent the lighting cover from falling. The fall prevention chain has an upper end fixed to the lighting fixture body inside the lighting cover and a lower end fixed to the inner surface of the lighting cover.

[0005] As a result, even if the worker's hand slips and he is unable to hold the light cover when removing it, the light cover remains suspended from the lighting fixture body via the fall prevention chain, in other words, the lighting fixture temporarily holds the light cover on its own, preventing the light cover from accidentally falling. [Prior art documents] [Patent documents]

[0006] [Patent Document 1] Japanese Patent Application Publication No. 8-203316 Summary of the Invention [Problem to be solved by the invention]

[0007] However, in the conventional lighting fixture shown in Patent Document 1 above, the fall prevention chain is arranged inside the lighting cover, which creates an odd sight in which the shadow of the long, linear fall prevention chain is projected onto the outside of the lighting cover, which could potentially detract from the aesthetic appearance.

[0008] The present invention has been made in view of the above-mentioned problems, and has an object to provide a structure for preventing the light cover of a lighting fixture from falling off, which can improve the aesthetic appearance. [Means for solving the problem]

[0009] In order to solve the above problems, the present invention comprises the following means.

[0010] [1] A lighting cover drop prevention structure for a lighting fixture, comprising: a lighting fixture body provided with an interior part having a light source; and a lighting cover having an opening through which the interior part can be freely inserted and removed, wherein the lighting cover can be connected to the lighting fixture body by a connecting means when the interior part is housed in the lighting cover, one of the interior portion and the lighting cover is a first member, and the other is a second member; The one member is provided with an elastic protruding portion that is elastically deformable so as to protrude toward and retract into the other member, a hook portion is provided on the other member in correspondence with the elastic protrusion portion, The elastic protrusion is configured to be elastically deformed, thereby enabling the interior portion to be inserted or removed, A structure to prevent the lighting cover from falling off a lighting fixture, characterized in that when the connection by the connecting means is released, the hooking portion hooks onto the elastic protrusion, thereby allowing the lighting cover to be temporarily held on the lighting fixture body.

[0011] [2] The elastic protrusion is configured by a spring whose base end is fixed to the one member and whose tip end is a free end and which bends and deforms so as to sink, 2. The structure for preventing the lighting cover from falling off of a lighting fixture as described in the preceding paragraph 1, wherein the spring is pressed against the latch portion and bent and deformed as the interior portion is inserted or removed.

[0012] [3] The one member is configured by the interior portion, and the other member is configured by the lighting cover, 3. The structure for preventing a lighting cover from falling off a lighting fixture according to claim 1 or 2, wherein an opening edge portion of the opening in the lighting cover is configured as the hook portion.

[0013] [4] A structure for preventing the lighting cover from falling for a lighting fixture described in any one of paragraphs 1 to 3 above, in which the elastic deformation force of the elastic protrusion related to the operation of storing the interior part is adjusted to be greater than the elastic deformation force of the elastic protrusion related to the operation of removing the interior part.

[0014] [5] The structure for preventing a lighting cover from falling off for a lighting fixture according to any one of the preceding paragraphs 1 to 4, wherein the elastic protrusion is provided only partially at one location in the circumferential direction of the one member. [Effects of the Invention]

[0015] According to the lighting cover fall prevention structure for a lighting fixture of invention [1], the lighting cover is temporarily held in place by the hooking portion engaging with the elastic protrusion, and this temporary holding reliably prevents the lighting cover from accidentally falling. Furthermore, according to this invention, when the lighting cover is properly attached to the lighting fixture body by the connecting means, the elastic protrusion only slightly protrudes from the interior part inside the lighting cover, so the presence of the elastic protrusion is not noticeable from the surrounding area, preventing the problem of the linear fall prevention chain being visible from the outside of the lighting cover as in the past and improving the aesthetic appearance.

[0016] According to the lighting cover drop prevention structure for lighting fixtures of invention [2], the spring and the latching portion temporarily hold the lighting cover in place to prevent it from falling accidentally, while the spring is pressed against the latching portion and bends when the interior part is inserted or removed. This ensures the lighting cover's drop prevention function, and the spring automatically bends and deforms when the interior part is inserted or removed, allowing for smooth installation and removal of the lighting cover. Furthermore, the use of a spring with a simple shape achieves the desired lighting cover drop prevention function and allows for smooth installation and removal of the lighting cover, while also ensuring a simplified structure and good operational reliability.

[0017] According to the lighting cover fall prevention structure for lighting fixtures of invention [3], the opening edge of the lighting cover also serves as a hanging part, which reduces the number of parts and further simplifies the structure compared to when a separate hanging part is attached.

[0018] According to the structure for preventing the lighting cover from falling of the lighting fixture of invention [4], the elastic deformation force of the elastic protrusion related to the operation of removing the interior part is adjusted to be greater than the elastic deformation force related to the operation of storing, so that the temporary holding of the lighting cover can be performed reliably, and the worker can easily install the lighting cover with light force when installing it.

[0019] According to the lighting cover drop prevention structure for lighting fixtures of invention [5], the elastic protrusion is provided only partially in one place in the circumferential direction, so when the lighting cover is temporarily held, the lighting cover is tilted with the hooking point with the elastic protrusion as a fulcrum. Therefore, even if the lighting cover is left in the temporarily held state for some reason, people nearby can recognize at a glance that the lighting cover is in the temporarily held state, that is, that the lighting cover is not properly installed, by seeing the tilted lighting cover, and can respond quickly and appropriately, avoiding problems such as leaving the lighting cover in an unstable temporarily held state for a long time. [Brief explanation of the drawings]

[0020] [Figure 1] FIG. 1 is a perspective view of a lighting fixture to which a lighting cover fall prevention structure according to an embodiment of the present invention is applied, with the lighting cover removed. [Figure 2] FIG. 2 is a front view of the lighting fixture according to the embodiment, with one side cut away. [Figure 3] FIG. 3 is a front view of the lighting fixture of FIG. 2 with one side cut away and the lighting cover removed. [Figure 4] FIG. 4 is a cross-sectional view illustrating the operation of the spring when the lighting cover is removed from the lighting fixture of this embodiment. [Figure 5] FIG. 5 is a cross-sectional view illustrating the operation of the spring when the lighting cover is removed from the lighting fixture of this embodiment. [Figure 6] FIG. 6 is a cross-sectional view illustrating the operation of the spring when the lighting cover is removed from the lighting fixture of this embodiment. [Figure 7] FIG. 7 is a cross-sectional view illustrating the state of the spring when the lighting cover is removed from the lighting fixture of this embodiment. [Figure 8] FIG. 8 is a cross-sectional view illustrating the operation of the spring when the lighting cover is attached to the lighting fixture of this embodiment. [Figure 9] FIG. 9 is a cross-sectional view illustrating the operation of the spring when the lighting cover is attached to the lighting fixture of this embodiment. [Figure 10]FIG. 10 is a front view showing the lighting fixture of this embodiment in a state where the lighting cover is temporarily held. [Figure 11] FIG. 11 is a schematic cross-sectional view showing a lighting fixture according to a modified example of the present invention with a lighting cover attached. [Figure 12] FIG. 12 is a schematic cross-sectional view showing the lighting fixture of the modified example in a state where the lighting cover is removed. DETAILED DESCRIPTION OF THE INVENTION

[0021] FIG. 1 is a perspective view of a lighting fixture to which a lighting cover fall prevention structure according to an embodiment of the present invention is applied, with the lighting cover removed; FIG. 2 is a front view of the lighting fixture according to the embodiment, with one half cut away; and FIG. 3 is a front view of the lighting fixture of FIG. 2, with the lighting cover removed.

[0022] As shown in these figures, the lighting fixture of this embodiment is composed of a pendant light that is attached in a suspended state to a wiring fixture 9 on a ceiling or the like, and comprises a lighting fixture main body 1 and a lighting cover 7.

[0023] The lighting fixture body 1 has as its basic components a cover holder 2 suspended from a wiring fixture 9 on a ceiling or the like via a suspension pipe 12 with a cord 11 inserted therein, a socket 3 attached to the lower end of the cover holder 2, a cylindrical body 4 placed between the cover holder 2 and the socket 3, and an LED bulb 5 attached facing downward to the socket 3 as a light source.

[0024] The socket 3 is electrically connected to a wiring fixture 9 on the ceiling or the like via a cord 11, and is configured to turn on or off the LED bulb 5 attached to the socket 3 based on the operation of a switch provided on the wall or the like.

[0025] 4 is an enlarged cross-sectional view showing the periphery of the connecting portion between the lighting fixture body and the lighting cover. As shown in FIGS. 1 to 4, a cylindrical mounting portion 21 is formed on the underside of the cover holder 2 so as to protrude downward, and a male thread 22 for connecting the lighting cover 7 is formed on the outer circumferential surface of this mounting portion 21.

[0026] A slit-like vertical hole 41 is formed as a through-hole extending in the up-down direction at one location in the circumferential direction on the outer peripheral wall of the cylindrical body 4, which is disposed so as to cover the upper side of the socket 3.

[0027] A spring 6 serving as an elastic protrusion is provided inside the cylindrical body 4, corresponding to the vertical hole 41. In this embodiment, the spring 6 is formed of a bent metal wire spring. One end of the spring 6 is fixed to the socket 3, and the middle portion passes through the vertical hole 41 and is once pulled outward, then bent upward and folded back, and the other end passes through the vertical hole 41 again and is disposed inside the cylindrical body 4. In this embodiment, the one end of the spring 6 fixed to the socket 3 is configured as a base end 61, and the folded back portion disposed on the outside of the cylindrical body 4 is configured as a tip end 62, which is folded back and disposed through the vertical hole 41 and extends obliquely upward toward the axis, and is configured as a guide portion 63.

[0028] As will be described in detail later, when a pushing force acts upward or downward on the tip portion 62, the spring 6 is elastically deformed so as to bend upward or downward, and the tip portion 62 sinks inward.

[0029] In this embodiment, the spring 6 is provided only partially at one location in the circumferential direction.

[0030] As already mentioned, the lighting fixture of this embodiment is provided with a lighting cover 7, which is configured to cover from below the interior parts 10, such as the socket 3, cylindrical body 4, and LED bulb 5, which are components that make up the lighting fixture main body 1.

[0031] The lighting cover 7 has a circular opening at the top end and is provided with a substantially spherical lighting cover main body 71 that is closed apart from the opening. The lighting cover main body 71 is made of transparent or translucent glass, plastic, or the like.

[0032] A rim member 72 is attached to the entire periphery of the upper opening of the lighting cover body 71. The rim member 72 is made of a molded product such as plastic.

[0033] In this embodiment, an upper end opening 73 as an opening of the lighting cover 7 is formed by a circular opening surrounded by the rim material 72. Furthermore, the rim material 72 forms an opening edge portion, and a part of the opening edge portion (rim material 72) is formed as a hook portion that is arranged corresponding to the spring 6.

[0034] The inner diameter of the upper end opening 73 is formed to be approximately the same as the outer diameter of the mounting portion 22 of the cover receiver 2, and a female thread 74 is formed on the inner peripheral surface of the upper end opening 73 of the lighting cover 7 to correspond to the male thread 22 of the cover receiver 2. The female thread 74 of the lighting cover 7 is configured to be able to be threadedly engaged with the male thread 22 of the cover receiver 2, and by rotating the lighting cover 7 relative to the lighting fixture body 1 so as to tighten the female thread 74 onto the male thread 22, the lighting cover 7 is connected and fixed (screw-fastened) to the lighting cover body 1, while by rotating the lighting cover 7 relative to the lighting fixture body 1 in this connected state so as to loosen the female thread 74 from the male thread 22, the connection and fixation (screw-fastened) of the lighting cover 7 to the lighting cover body 1 is released.

[0035] In this embodiment, the male thread 22 of the lighting fixture body 1 and the female thread 74 of the lighting cover 7 form a connecting means.

[0036] Furthermore, the cylindrical body 4 has the largest outer diameter of the interior portion 10, and the inner diameter of the upper opening 73 of the lighting cover 7 is slightly larger than the outer diameter of the cylindrical body 4. When the lighting cover 7 is released from the screw fastening to the lighting fixture body 1, the interior portion 10 can be inserted into or removed from the lighting cover 7 via the upper opening 73.

[0037] In this embodiment, when the lighting cover 7 is removed downward to expose the interior part 10, the tip 62 of the spring 6 of the interior part 10 tries to interfere with the rim material 72 (opening edge) of the lighting cover 7, but when the worker applies an appropriate pulling force, the spring 6 is pushed by the underside of the rim material 72 of the lighting cover 7 and is bent downward. This prevents the lighting cover 7 from interfering with the spring 6, and the lighting cover 7 can be removed to expose the interior part 10.

[0038] Furthermore, when the lighting cover 7 is lifted from this removed state while aligning the interior part 10 with its upper end opening 73, the spring 6 is pushed by the upper surface side of the lip material 72 of the lighting cover 7 and bent upward. This prevents the lighting cover 7 from interfering with the spring 6, and the interior part 10 is housed within the lighting cover 7. In this state, the lighting cover 7 can be fixed to the lighting fixture body 1 with screws, and the lighting cover 7 is positioned so that it covers the interior part 10 from below.

[0039] In this embodiment, the spring 6 is adjusted so that the elastic deformation force when it is bent downward, i.e., the elastic deformation force (repulsion force) when the lighting cover 7 is removed, is greater than the elastic deformation force when it is bent upward, i.e., the elastic deformation force (repulsion force) when the lighting cover 7 is attached.

[0040] Specifically, when removing the light cover 7, as shown in Fig. 4, the underside of the rim material 72 of the light cover 7 abuts against the guide portion 63 on the upper side of the spring 6, pulling down and bending the spring 6 downward, but at this time, as shown in Fig. 5, the tip portion 62 of the spring 6 is positioned diagonally downward and outward due to the downward bending deformation, and in this state the spring 6 engages with the lower edge of the vertical hole 41 of the cylindrical body 4, thereby strongly restricting the downward bending deformation of the spring 6. For this reason, to remove the light cover 7 downward, the worker must apply a strong force and pull down as shown in Fig. 6, thereby forcibly bending the spring 6 downward to some extent and moving the rim material 7 below the spring 6 as shown in Fig. 7, which increases the repulsive force (elastic deformation force) of the spring 6 when removing the light cover 7.

[0041] In contrast, when attaching the lighting cover 7 from the state shown in Fig. 7, as shown in Fig. 8, the upper surface of the rim member 72 of the lighting cover 7 abuts against the tip end 62 on the underside of the spring 6, pushing up and bending the spring 6 upward, and the guide portion 63 of the bent spring 6 engages with the upper edge of the vertical hole 41 of the cylindrical body 4. At this time, because the guide portion 63 is arranged to extend slightly obliquely upward toward the axis, as the spring 6 is pushed upward, the guide portion 63 is guided inward by the upper edge of the vertical hole 41, making it easier for the spring 6 to bend upward. For this reason, as shown in Fig. 9, the spring 6 can be easily bent upward by simply pushing it up with a weak force. When the lighting cover 7 is attached by moving the rim member 72 above the spring 6 as shown in Fig. 4, the repulsive force (elastic deformation force) of the spring 6 can be reduced.

[0042] Here, when the screws of the light cover 7 are released, the spring 6 does not bend significantly due to the pushing force of the light cover 7 itself, and is held in a state engaged with the lower edge of the vertical hole 41. Therefore, when the light cover 7 is simply released from the screws of the light cover 7 and is not being supported by an operator, when the edge material 72 of the light cover 7 hooks onto the tip end 62 of the spring 6, the bending deformation of the spring 6 is limited, and the light cover 7 is placed in a temporary holding state (the state shown in FIG. 4 ) in which the edge material 72 is caught on the spring 6 and held independently to the light cover 7. Therefore, even if an operator inadvertently releases the light cover 7 when removing it from the light cover 7 from the light fixture body 1, the light cover 7 is temporarily held by being hooked onto the spring 6, so that it is possible to reliably prevent the light cover 7 from falling and being damaged.

[0043] In this way, in this embodiment, the lighting cover 7 can be prevented from accidentally falling off, and furthermore, when installing the lighting cover 7, the worker can easily insert the interior part 10 of the lighting fixture body 1 into the lighting cover 7 with light force, thereby improving workability.

[0044] As described above, in the lighting fixture of this embodiment, the spring 6 is provided in the interior part 10, and the light cover 7 is caught on the spring 6 and temporarily held in place, thereby preventing the light cover 7 from accidentally falling off. Therefore, in the correct installation state where the light cover 7 is attached by screwing it to the lighting fixture body 1, the spring 6 only slightly protrudes from the interior part 10 inside the light cover 7. In this correct installation state, people nearby will not be aware of the presence of the spring 6, and this avoids the problem of the long, linear fall prevention chain being strangely projected on the outside of the light cover 7 as occurs in conventional lighting fixtures, thereby reliably improving the aesthetic appearance.

[0045] Furthermore, in the lighting fixture of this embodiment, as described in detail below, the removal operation when completely removing the lighting cover 7 from the lighting fixture main body 1 can be easily performed, and maintenance and cleaning of the lighting cover 7 and interior part 10 can be easily performed.

[0046] That is, when the lighting fixture body and lighting cover are connected with a fall prevention chain as in conventional lighting fixtures, to completely remove the lighting cover, it is necessary to release the screws of the lighting cover and then separate the fall prevention chain from the lighting fixture body or the lighting cover. This operation of separating the fall prevention chain itself is troublesome. Conversely, when attaching a completely removed lighting cover to the lighting fixture body, the troublesome task of fastening the fall prevention chain is required. In this way, when a fall prevention chain is used, the installation and removal of the lighting cover is troublesome, making maintenance and cleaning of the lighting cover and interior parts difficult.

[0047] In contrast, in the lighting fixture of this embodiment, when completely removing the lighting cover 7 from the lighting fixture body 1, the lighting cover 7 can be easily removed and separated by simply releasing the screws that secure the lighting cover 7 to the lighting fixture body 1 and then pulling down the lighting cover 7 while bending and deforming the spring 6, and when attaching the lighting cover 7, the lighting cover 7 can be easily attached by simply lifting it up while bending and deforming the spring 6 and then screwing it in. In this way, the installation and removal of the lighting cover 7 can be easily performed, and maintenance and cleaning of the lighting cover 7 and the interior part 10 can be easily performed.

[0048] Furthermore, in this embodiment, the light cover 7 is hooked onto the lighting fixture body 1 via the spring 6 to prevent the light cover 7 from accidentally falling off, and when the light cover 7 is removed or attached, the rim material 72 pushes and bends the spring 6 during the removal or attachment operation, automatically releasing the hook (interference) between the spring 6 and the rim material 72. This not only reliably ensures the function of preventing the light cover 7 from falling off, but also makes it possible to smoothly attach and remove the light cover 7 by automatically bending and deforming the spring 6 during removal or attachment of the light cover 7.

[0049] Furthermore, the use of a spring 6 with a simple shape ensures the desired function of preventing the lighting cover from falling and smooth operability when inserting and removing the interior part 10, thereby simplifying the structure and ensuring sufficient operational reliability.

[0050] Furthermore, in this embodiment, the opening edge portion (rim material 72) of the lighting cover 7 is used as the hanging portion, so that the number of parts can be reduced and the structure can be further simplified compared to when a separate hanging portion is provided.

[0051] Furthermore, in this embodiment, since the spring 6 is provided only partially in one position in the circumferential direction, when the light cover 7 is in a temporarily held state where it is caught on the spring 6, the light cover 7 is tilted with the hooking point with the spring 6 as a fulcrum, as shown in Fig. 10. Therefore, if the light cover 7 is left in the temporarily held state for some reason, such as when an operator forgets to screw the light cover 7 to the lighting fixture body 1 during cover installation, nearby people can recognize at a glance that the light cover 7 is in a temporarily held state, that is, that the light cover 7 is not properly installed, because they can quickly and appropriately respond. This reliably prevents problems such as the light cover 7 being left in an unstable temporarily held state for a long period of time.

[0052] In the above embodiment, a substantially spherical shape is used as the lighting cover 7, but the present invention is not limited to a specific shape for the lighting cover 7. For example, lighting covers may be hemispherical, cylindrical, polygonal such as triangular or hexagonal, conical or polygonal pyramidal, truncated conical or polygonal pyramidal, or a combination of these shapes.

[0053] Furthermore, in the above embodiment, the interior part 10 including the LED bulb (light source) 5 is covered almost entirely on the lower side by the lighting cover 7, but this is not limited to that. For example, in the present invention, a shade-type lighting cover that exposes part of the interior part 10 such as the light source can also be used.

[0054] In addition, in the above embodiment, the lighting cover 7 is connected to the lighting fixture body 1 by screwing, but in the present invention, the means for connecting the lighting cover 7 to the lighting fixture body 1 is not limited to a screw-fastening method, and any type of connecting means may be used as long as it is a method that allows the lighting cover 7 to be connected to the lighting fixture body 1 in a freely detachable manner.

[0055] In the above embodiment, the bent wire spring 6 is used as the elastic protrusion, but this is not limited to this. For example, in the present invention, an expansion coil spring, a leaf spring, synthetic rubber, or the like may be used as the elastic protrusion.

[0056] In the above embodiment, the elastic protrusions such as the springs 6 are configured to automatically elastically deform in the retracting direction (retracting direction) when the lighting cover 7 is attached or detached (when the interior part 10 is inserted or removed), but this is not limiting, and in the present invention, the elastic protrusions may be manually elastically deformed in the retracting direction against the elastic force when the interior part is inserted or removed, etc. For example, a lever may be provided on the outer surface of the lighting fixture body, and the elastic protrusions may be elastically deformed by operating the lever.

[0057] Furthermore, in the above embodiment, an example has been described in which the elastic protrusion is attached to the lighting fixture body 1 side, but the present invention is not limited to this, and the elastic protrusion may be attached to the lighting cover 7 side. For example, as shown in Fig. 11, a spring 6 (elastic protrusion) is formed so as to protrude inward from the opening edge (rim material 7) of the lighting cover 7, and a hooking recess 15 serving as a hook is formed on the side of the interior part 10 corresponding to the spring 6. When removing the lighting cover 7 from the cover-attached state shown in Fig. 12, the connection (screw fastening, etc.) of the lighting cover 7 to the lighting fixture body 1 is released, and then the lighting cover 7 is pulled downward to bend and deform the spring 6 upward, releasing the spring 6 from its engagement with the hooking recess 15, and the lighting cover 7 can be removed. Conversely, when attaching the lighting cover 7 as shown in Figure 11 from the cover removed state in Figure 12, the lighting cover 7 is lifted while bending the spring 6 downward, causing the spring 6 to elastically return to its original position at the hooking recess 15 and hooking it into the hooking recess 15, and then the lighting cover 7 is connected to the lighting fixture body 1 by screwing or the like.

[0058] In the above embodiment, the elastic protrusion such as a spring is formed at only one location in the circumferential direction, but this is not limited thereto, and the elastic protrusion may be attached at multiple locations in the circumferential direction, and the number of attached elastic protrusions is not limited. When multiple elastic protrusions are provided, it is preferable to arrange the elastic protrusions at equal intervals in the circumferential direction.

[0059] In the above embodiment, the lighting cover 7 is configured to be moved vertically downward when removed from the lighting fixture body 1, but this is not limited to this, and the present invention can also be applied to lighting fixtures in which the lighting cover 7 is removed by moving it horizontally or diagonally downward instead of vertically. In short, the present invention can be applied to any lighting fixture in which there is a possibility that the lighting cover will fall when the lighting cover 7 is released from the lighting fixture body 1 by being fastened with screws or the like. [Industrial Applicability]

[0060] The lighting cover fall prevention structure of the present invention can be applied to lighting fixtures such as pendant lights, bracket lights, rail lights, chandeliers, and ceiling lights, in which the light source is covered from below by a lighting cover. [Explanation of symbols]

[0061] 1: Lighting fixture body 10: Interior 15: Hook recess (hook part) 22: Male thread (connection means) 5: LED bulb (light source) 6: Spring (elastic protrusion) 72: Edge material (opening edge) 73:Top opening (opening) 74: Female thread (connection means)

Claims

1. A lighting cover drop prevention structure for a lighting fixture, comprising: a lighting fixture body provided with an interior part having a light source; and a lighting cover having an opening through which the interior part can be freely inserted and removed, wherein the lighting cover can be connected to the lighting fixture body by a connecting means when the interior part is housed in the lighting cover, one of the interior portion and the lighting cover is a first member, and the other is a second member; The one member is provided with an elastic protruding portion that is elastically deformable so as to protrude toward and retract into the other member, a hook portion is provided on the other member in correspondence with the elastic protrusion portion, By pulling down the lighting cover, the elastic protrusion is elastically deformed and the engagement between the elastic protrusion and the engagement part is automatically released, thereby enabling a removal operation of the interior part to completely remove the lighting cover from the interior part, By lifting the lighting cover, the elastic protrusion is elastically deformed and the engagement between the elastic protrusion and the engagement part is automatically released, thereby enabling an operation of accommodating the interior part to attach the interior part to the lighting cover, A structure to prevent the lighting cover from falling off a lighting fixture, characterized in that when the connection by the connecting means is released, the hooking portion hooks onto the elastic protrusion, thereby allowing the lighting cover to be temporarily held on the lighting fixture body.

2. the elastic protrusion is configured by a spring having a base end fixed to the one member and a tip end which is a free end and which bends and deforms so as to sink; 2. The structure for preventing a lighting cover from falling off a lighting fixture according to claim 1, wherein the spring is pressed by the latch portion and bent as the interior portion is inserted or removed.

3. the one member is configured by the interior portion, and the other member is configured by the lighting cover, The structure for preventing a lighting cover from falling off a lighting fixture according to claim 1 or 2, wherein an opening edge of the opening in the lighting cover is configured as the hook portion.

4. 3. A lighting cover fall prevention structure for a lighting fixture as described in claim 1 or 2, wherein the elastic deformation force of the elastic protrusion associated with the removal operation of the interior part is adjusted to be greater than the elastic deformation force of the elastic protrusion associated with the storage operation of the interior part.

5. 3. The structure for preventing a light cover from falling off for a lighting fixture according to claim 1, wherein the elastic protrusion is provided only partially at one location in the circumferential direction of the one member.

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