JP4053814B2 - Cover mounting structure for lighting devices, etc. - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cover mounting structure in a lighting device or the like.
[0002]
[Prior art]
In conventional lighting devices, cover mounting frames are provided at both ends in the longitudinal direction of a case-shaped main body to which a straight tube fluorescent lamp and a ballast are mounted, and both ends of the translucent cover are provided by both cover mounting frames. There is something that holds the part.
[0003]
[Problems to be solved by the invention]
However, in the conventional lighting device as described above, the cover is provided with a slit-like notch or elongated hole facing in the longitudinal direction at both ends or one of the ends of the cover, and a set screw for inserting them. The cover mounting frame is screwed, or a groove or a recess is provided on the opposing surface of the pair of cover mounting frames so that the end of the cover fits, and at least one of the cover mounting frames is attached to the main body. It is common that the cover can be removed by screwing and removing one cover mounting frame from the main body. In either case, it is necessary to tighten the set screw. There is a problem that the attaching / detaching work is complicated and time-consuming.
[0004]
In view of the above-mentioned problems of the conventional technology, the present invention allows the cover to be easily attached and detached, and can securely hold the cover after mounting without causing rattling or the like, Moreover, it is an object of the present invention to provide a cover mounting structure in a lighting device or the like that has a simple structure and can be manufactured at low cost.
[0005]
[Means for Solving the Problems]
According to the present invention, the above problem is solved as follows.
(1) A cover mounting frame having recesses on the side surfaces facing each other is provided on both sides of the main body facing the left-right direction in a lighting device or the like, and each end of the cover is fitted and supported in each recess. In the cover mounting structure in the lighting device or the like, the side end of the horizontal piece of the cover abuts the side end of the cover at the upper surface of the bottom of at least one of the two cover mounting frames. Further entry into the recess is allowed by preventing further entry into the recess and raising the side edge until it is above the side edge of the horizontal piece in the cover. A stopper is provided so as to be movable up and down, and a push-up means for raising the stopper is provided on the cover mounting frame so as to protrude downward from the lower end of the cover mounting frame.
[0006]
(2) In the above item (1), the lifting means is a headed screw that is screwed into a screw hole provided in the stopper.
[0007]
(3) In the above item (1) or (2), the stopper is provided with a pressing piece that can come into contact with the upper surface of the side end of the horizontal piece in the cover that is in contact with the side end.
[0008]
(4) In any of the above items (1) to (3), a stopper detent means is provided on the cover mounting frame.
[0009]
(5) In the above item (4), the anti-rotation means is erected on the upper surface of the bottom of the recess in the cover mounting frame, and the slits provided at the front and rear edges of the stopper are slidable vertically. A pair of front and rear guide pieces adapted to match.
[0010]
(6) In any one of the above items (1) to (5), an urging means for urging the stopper downward is provided between the stopper or the lifting means and the cover mounting frame.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
FIGS. 1-5 shows the goods display shelf for display, such as cosmetics, provided with the 1st Embodiment of this invention.
[0012]
As shown in FIG. 1, this commodity display shelf is composed of a plurality of (three in this example) support columns (1) for supporting shelf boards and the like, and left and right support columns adjacent to each other. (1) The upper connecting member (2) and the lower connecting member (not shown) for connecting the upper end portions and the lower end portions of (1) respectively, and the left and right struts (1) (1) and the upper connecting member adjacent to each other (2) and a back plate (3) disposed in a space surrounded by the lower connecting member, and a base stand (4) connected to both the lower front and rear surfaces of the column (1) and the back plate (3). It has.
[0013]
The front and rear surfaces of each support column (1) are provided with a plurality of locking holes (5) equally spaced in the vertical direction in two rows on the left and right sides, and these desired ones support the shelf board (6). By locking downward hooks (not shown) provided at the base end of the bracket (7) for use, a plurality of shelves (6 ) Can be supported in multiple stages at a desired height.
[0014]
Illuminating devices (8) shown in detail in FIGS. 2 to 5 are respectively installed between the upper and lower ends of the left and right columns (1) and (1) adjacent to each other.
[0015]
As shown in FIG. 2, the illuminating device (8) has a U-shaped side-view forward U-shape (the rear-side illuminating device (8) has a U-shape in a rear-side view. Since 8) is symmetrical with the front illumination device (8) in the front-rear direction, only the front illumination device (8) will be described below.
[0016]
At the both ends of the base plate (9a) that forms a vertical plate shape in the main body (9), two downward hooks (10) that face up and down are provided, and these are attached to the front of each column (1). By engaging with the upper locking holes (5) and (5), the main body (9) is constructed between the upper ends of the left and right support columns (1) and (1) adjacent to each other. On the upper and lower edges of the base piece (9a), a pair of upper and lower horizontal pieces (9b) (9b) facing forward are connected.
[0017]
On the front surface of the base piece (9a) in the main body (9), a fluorescent lamp (11) and a reflector (11a) facing left and right are mounted with a pair of left and right grip brackets (12) and (12). The ballast (13) is fixed.
[0018]
Two rectangular engaging holes (15) and (15) are formed on both sides of the front surface of the base piece (9a) in the main body (9), and a cover mounting frame (16 ), The cover mounting frame (16) is attached to each support column (1) by engaging two upper and lower downward hooks (18) and (18) formed by cutting and raising from the vertical plate-shaped base piece (17). It is attached to the front surface of the main body (9) so as to be located immediately before.
[0019]
On both sides of the base piece (17) in the intermediate cover mounting frame (16), wings (17a) (17a) projecting in the left and right directions from the middle part in the vertical direction are formed, and each wing part ( 17a) is provided with two downward hooks 18 and 18 on the upper and lower sides, and engaging holes 15 and 15 provided at opposite ends of the base piece 9a of the body 9 adjacent to the left and right. ) Is attached so as to straddle the opposite end portions of the main body (9) adjacent to the left and right.
[0020]
Also, the base piece (17) in the outermost cover mounting frame (16) has only one side edge (in the left cover mounting frame (16), the right edge of the base piece (17). Only in the right cover mounting frame (16), only the left edge of the base piece (17) is formed with a wing (17a) similar to the above, and the upper and lower provided on this wing (17a) By locking the two downward hooks (18) and (18) in the engagement holes (15) and (15) provided at the outer end of the base piece (9a) of the outermost body (9) The outermost cover mounting frame (16) is mounted on the front surface of the outer end portion of the main body (9).
[0021]
Each cover mounting frame (16) has an upper piece (19) and a lower piece (20) extending horizontally forward from the upper and lower ends of the base piece (17), and upper and lower parts at the center in the left and right direction. A vertical plate-shaped intermediate plate (21) having an end fixed and extending from the base piece (17) to near the front ends of the upper piece (19) and the lower piece (20), and the upper piece (19) and the lower piece A front cover (22) facing in the vertical direction and having a semicircular arc shape in plan view in which upper and lower ends are connected to the front end of (20).
A side cover (23) that extends from the outer end of the front cover (22) and reaches the outer end of the base piece (17) is provided on the outer surface of the outermost cover mounting frame (16). It has been.
[0022]
A rectangular notch (24) is provided at the center of the lower end of the intermediate plate (21), and a plate-like stopper (25) having a rectangular shape in plan view is formed on the front and rear edges of the notch (24). The notch groove (26) provided in the center of the front and rear edges of the notch is fitted so that it can slide in the vertical direction, and the front and rear edges of the notch (24) allow the stopper (25) to slide in the vertical direction. In addition to being a guide piece for guiding, a stopper means for preventing the stopper (25) from rotating about the vertical axis is provided.
[0023]
A screw hole (27) is provided in the center of the stopper (25), and the screw hole (27) has a through hole formed in the center of the lower piece (20) of the cover mounting frame (16). Through (28), the upper part of the headed screw (29) penetrating from below the lower piece (20) is screwed.
As shown by a solid line in FIG. 5, the headed screw (29) is not rotated from a state where a required gap is formed between the head (29a) and the lower surface of the lower piece (20). By pushing straight up, the stopper (25) can be lifted along the front and rear edges of the notch (24) as shown in phantom lines in FIG. It has a means.
[0024]
On the opposing surface of the cover mounting frame (16) facing left and right, the base piece (17), the upper piece (19) and the lower piece (20), the front cover (22), and the intermediate plate (21) The recess (30) is formed, and the left and right ends of the cover (31) facing the left and right sides in a side-view backward U-shape can be fitted into and supported by the recess (30). It is like that.
[0025]
The cover (31) is made of milky white or other translucent acrylic plate or other translucent material.The vertical plate of the front plate (31a) or other surface is used to display information about displayed products and other items. Characters, figures, patterns, and the like to be represented (illustrated as characters (32) in the drawing) are drawn.
[0026]
A pair of upper and lower horizontal pieces (31b) and (31c) facing back are connected to the upper and lower edges of the front plate (31a) of the cover (31), and the rear ends of the horizontal pieces (31b) and (31c) The corners on both sides are chamfered.
[0027]
As shown in FIG. 3, the length (L1) of the cover (31) in the left-right direction is larger than the distance (L2) between the facing edges of the lower piece (20) of the cover mounting frame (16) facing left and right. The distance (L3) between the opposing edges of the stopper (25) provided in the cover mounting frame (16) facing left and right is substantially the same as or slightly smaller.
[0028]
As shown in FIG. 5, the shortest distance (L4) from the outer periphery of the screw hole (27) to the side edge of each stopper (25) is the side edge of the lower piece (20) of each cover mounting frame (16). And the distance (L5) from the side edge of the stopper (25).
[0029]
In order to assemble the lighting device (8) to the display shelf, first, the downward hooks (10) at both ends of the main body (9) to which the fluorescent lamp (11) and the ballast (13) are attached in advance, The main body (9) is installed between the right and left adjacent struts (1) and (1) by being locked in the locking holes (5) at the upper end of each corresponding strut (1).
[0030]
Next, the cover attachment frame (16) is attached to the side end of each main body (9) by engaging the downward hook (18) with the lower edge of the engagement hole (15) of the main body (9). The intermediate cover mounting frame (16) faces down on the left and right wings (17a) so as to straddle the opposing ends of the left and right main bodies (9) attached to the column (1) so as to be adjacent to each other. The hooks (18) are engaged with the lower edges of the engagement holes (15) at the opposite ends of the left and right main bodies (9), respectively.
[0031]
Thereafter, the stopper (25) in either one of the left and right cover mounting frames (16) (the one on the right in FIG. 3) is pushed up as shown by the imaginary line in FIG. Thus, the stopper (25) is lifted until the side end of the cover (31) is disengaged from the side end of the lower horizontal piece (31c) in the cover (31), and this state is maintained. As shown by the line, the entire side is inclined in plan view so that the end (right end) closer to the raised stopper (25) first fits into the recess (30), and the cover (31) The end portion (right end portion) of the lower horizontal piece (31c) is made to enter under the raised stopper (25).
As a result, the other end (left end) of the cover (31) can be fitted into the recess (30) by replacing the front cover (22) of the corresponding cover mounting frame (16). Then, it fits into the recess (30), and then its end (left end) abuts the side end of the stopper (25) in the other (left) cover mounting frame (16). Until the cover (31) is moved in the longitudinal direction (leftward).
[0032]
After the end (right end) of the lower horizontal piece (31c) of the cover (31) has entered under the stopper (25), the hand may be released from the headed screw (29). When the cover (31) is brought into contact with the side end of the other stopper (25), the end (right end) of the horizontal piece (31c) comes off from below the stopper (25), and the stopper (25) It falls until it comes into contact with the upper surface of the lower piece (20) by its own weight.
[0033]
Then, the left and right ends of the horizontal piece (31c) below the cover (31) are sandwiched by the left and right stoppers (25) and (25), and the movement in the left and right directions is prevented. Are fitted in the recesses (30) on the opposing surfaces of the left and right cover mounting frames (16), respectively, so that the movement in the vertical direction and the front-rear direction is also prevented, and the cover mounting frame (16 ) (16), and through this, the main body (9) and the display shelf are mounted as immovable.
[0034]
To remove the cover (31), conversely to the above, push up the headed screw (29) and lift either the left or right stopper (25) by the required amount, then below it, below the cover (31) While moving one end of the horizontal piece (31c) into the cover (31), move the cover (31) to the one end, and move the other end from the recess (30) of the cover mounting frame (16). One end may be extracted from the recess (30) of the cover mounting frame (16) while the other end is moved forward.
[0035]
FIG. 6 shows a second embodiment of the present invention.
In this example, on the top of the left and right side ends (25a) (25a) of the stopper (25) similar to the above, the side end of the horizontal piece (31c) in the cover (31) abutting on the side end (25a) A presser piece (33) that can contact the upper surface of the part and is provided with an outwardly upward inclined part (33a) at the free end and tightens the head screw (29). With the piece (20), the side end of the horizontal piece (31c) in the cover (31) in contact with the side end (25a) can be gripped from above and below, and a headed screw (29) is required. The stopper (25) can be lifted up to a position disengaged above the side edge of the lower horizontal piece (31c) in the cover (31), as shown by an imaginary line in FIG. I can do it.
[0036]
According to this example, when attaching the cover (31), by tightening the head screw (29), the side end of the horizontal piece (31c) in the cover (31) is grabbed from above and below, and the cover ( 31) can be securely fixed to the cover mounting frame (16) so that rattling or the like does not occur.
[0037]
Further, by providing the presser piece (33) with an outwardly upward inclined portion (33a), the side end of the horizontal piece (31c) of the cover (31) is brought into contact with the side end (25a) of the stopper (25). When trying to do so, before that, the side end of the horizontal piece (31c) slidably contacts the upwardly inclined portion (33a) and the stopper (25) is pushed up, so the side end of the horizontal piece (31c) The contact with the side edge of the presser piece (33) can be eliminated to prevent the entry into the recess (30).
[0038]
FIG. 6 shows a third embodiment of the present invention.
In this example, the square hole (34) drilled in the lower piece (20) is slidably fitted with a square shaft (36) facing the up-and-down direction in the headed pin (35) forming the lifting means, A stopper (25) similar to the above is fixed to the upper end of the square shaft (36) by caulking or the like, and between the head (37) and the lower piece (20) provided at the lower end of the square shaft (36). A compression coil spring (38), which is an urging means for urging the stopper (25) downward, is contracted around the angular axis (36).
[0039]
In this example, since the stopper (25) is returned by the compression coil spring (38), the stopper (25) and the presence are provided as in the first and second embodiments in which the stopper (25) is returned by its own weight. The arrangement and orientation of the head screw (29) and the like are not limited, and the stopper (25) can be prevented from being lifted by vibrations or the like.
Accordingly, the entire lighting device (8) can be used not only in the case where it is used so as to face in the left-right direction as described above, but also in the up-down direction or obliquely.
[0040]
Further, since the stopper (25) is prevented from rotating by fitting the square shaft (36) into the square hole (34), the notch groove (26) of the stopper (25) as in the first embodiment is used. There is no need to provide anti-rotation means for fitting the front and rear edges of the notch (24) provided in the intermediate piece (21), and the structure can be further simplified.
[0041]
Note that the present invention can be applied not only to the cover in the lighting device but also to other devices in which cover mounting frames are provided at both ends of the main body and both ends of the cover are detachably attached thereto. it can.
[0042]
【The invention's effect】
According to the first aspect of the present invention, the cover can be easily attached and detached by lifting the stopper by the pushing-up means and letting one end portion of the horizontal piece of the cover underneath the cover. It can be securely held without rattling or the like, and has a simple structure and can be manufactured at low cost.
[0043]
According to the second aspect of the present invention, the stopper can be fastened to the cover mounting frame with a headed screw except when the cover is attached or detached. It can be prevented from falling off the frame.
[0044]
According to the third aspect of the present invention, when the stopper is fastened to the cover mounting frame with a headed screw except when the cover is attached or detached, the side end portion of the horizontal piece of the cover becomes the stopper pressing piece and the cover mounting frame. The cover can be securely fixed to the cover mounting frame without rattling.
[0045]
According to the invention described in claim 4, since the stopper is prevented from being rotated by the rotation preventing means, when it is lifted by the lifting means, it does not turn in an undesired direction and can prevent malfunction. it can.
In particular, when the push-up means is a headed screw, the stopper can be prevented from being twisted when the headed screw is turned.
[0046]
According to the fifth aspect of the present invention, when the stopper is moved up and down by the push-up means, the stopper is guided by the pair of front and rear guide pieces and can be moved up and down smoothly without rotating.
[0047]
According to the invention described in claim 6, since the stopper can be reliably returned by the urging means, the arrangement and direction of the stopper, the push-up means, etc. are not limited to the direction of gravity, and also due to vibration or the like. It is possible to reliably prevent the stopper from being lifted.
Therefore, not only when using the whole illuminating device in the left-right direction, it is also possible to use the lighting device in the up-down direction or obliquely.
[Brief description of the drawings]
FIG. 1 is an external perspective view of a merchandise display shelf provided with a first embodiment of the present invention.
FIG. 2 is an exploded perspective view of a mounting portion of the lighting device.
FIG. 3 is a cross-sectional plan view taken along the middle part of the lighting device.
FIG. 4 is a partially enlarged perspective view of the stopper and the headed screw removed from the cover mounting frame.
FIG. 5 is an enlarged longitudinal sectional front view of the lower part of the intermediate cover mounting frame.
FIG. 6 is a longitudinal front view of the same portion as FIG. 5 in the second embodiment of the present invention.
FIG. 7 is a longitudinal front view of the same portion as FIG. 5 in the third embodiment of the present invention.
[Explanation of symbols]
(1) Prop
(2) Upper connecting member
(3) Backboard
(4) Base stand
(5) Locking hole
(6) Shelf board
(7) Bracket
(8) Lighting device
(9) Body
(9a) Base piece
(9b) Horizontal piece
(10) Downward hook
(11) Fluorescent lamp
(11a) Reflector
(12) Grip bracket
(13) Ballast
(14) Wiring
(15) Engagement hole
(16) Cover mounting frame
(17) Base piece
(17a) Wings
(18) Downward hook
(19) Upper piece
(20) Lower piece
(21) Intermediate piece
(22) Front cover
(23) Side cover
(24) Notch
(25) Stopper
(25a) Side end
(26) Cut groove
(27) Screw hole
(28) Through hole
(29) Headed screw (pushing means)
(29a) Head
(30) Recess
(31) Cover
(31a) Front plate
(31b) (31c) Horizontal piece
(32) characters
(33) Presser piece
(33a) Horizontal piece
(34) Square hole
(35) Headed pin
(36) Square axis
(37) Head
(38) Compression coil spring

Claims (6)

Illumination in which a cover mounting frame provided with recesses on side surfaces facing each other is provided on both sides of the main body facing the left-right direction in a lighting device or the like, and each end of the cover is fitted and supported in each recess In the cover mounting structure in equipment
By preventing the side end of the horizontal piece of the cover from coming into contact with the side end on the upper surface of the bottom of at least one of the two cover mounting frames, the side end of the cover is prevented from entering into the further recess, And a stopper that allows further entry into the recess of the end portion of the cover by raising the side end until it is disengaged upward from the side end of the horizontal piece in the cover, and is provided so as to be movable up and down. A cover mounting structure in a lighting device or the like, wherein a push-up means for raising the stopper is provided on the cover mounting frame so as to protrude downward from the lower end of the cover mounting frame. 2. A cover mounting structure in an illumination device or the like according to claim 1, wherein the push-up means is a headed screw that is screwed into a screw hole provided in the stopper. 3. A cover mounting structure in a lighting device or the like according to claim 1, wherein the stopper is provided with a pressing piece that can come into contact with the upper surface of the side end of the horizontal piece in the cover that comes into contact with the side end. The cover mounting structure in the illumination device or the like according to any one of claims 1 to 3, wherein the cover mounting frame is provided with stopper detent means. A pair of front and rear guides, wherein the rotation preventing means is erected on the upper surface of the bottom of the recess in the cover mounting frame, and the slits provided at the front and rear edges of the stopper are slidably engaged in the vertical direction. The display device for a merchandise display shelf according to claim 4, wherein the display device is a piece. The display device for a merchandise display shelf according to any one of claims 1 to 5, further comprising an urging means for urging the stopper downwardly between the stopper or push-up means and the cover mounting frame.

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