JP4743092B2 - Article mounting clamp - Google Patents

Description

  The present invention relates to a clamp used for attaching an article such as a lighting fixture, an interior product, or a display to a support made of a plate-like body such as a wall plate or a top plate, or a rod-like body such as a frame or a tubular body.

  For example, when attaching a lighting fixture to a table top or a wall plate of an aquarium fish tank, a clamp is generally used. This type of clamp includes a U-shaped base having a pair of arm portions, a male screw threaded into one arm portion of the base, and a male screw head in a direction perpendicular to the male screw. A rod-like handle provided slidably, a clamping plate provided rotatably at the tip of the male screw and holding the top plate or the like together with the other arm portion of the base, and provided upright on the outer surface of the base; The thing provided with the cylindrical attachment part in which the lower end part of an illuminating device is inserted is known (refer the following patent document 1).

However, in the case of the above-described clamp, it is difficult to perform the work of tightening the top plate or the like by turning the rod-shaped handle, and there is a problem in terms of operability. Moreover, since the above-mentioned clamp has an appearance like a tool, there is a tendency to lack in design, and it is not preferable for attaching to a place where it is easily caught by eyes such as a wall plate of an aquarium fish tank. .
Japanese Utility Model Publication No. 6-28931

  An object of the present invention is to provide an article mounting clamp having excellent operability and design.

  An article attachment clamp according to the present invention is for attaching an article to a plate-like, rod-like or tubular support, and a base member having a screw hole on one side and a screw rod screwed to the screw hole on one side. And a handle member protruding from the center. One of the one surface of the base member and the one surface of the handle member is fixedly provided with a first sandwiching portion made of a material having an anti-slip function with respect to the support, and the other is provided with an anti-slip with respect to the support. The 2nd clamping part which consists of material which has a function is provided rotatably around the screw rod or the screw hole. An attachment portion to which an article is detachably attached is provided on at least one of the base member and the handle member.

In the article mounting clamp according to the present invention, the handle member is rotated, the screw rod of the handle member is screwed into the screw hole of the base member, and the support is sandwiched between the first clamping portion and the second clamping portion. , Itself fixed to the support. Here, the handle member only has to be held with the one hand and rotated around the screw rod, so that the tightening operation can be easily performed. Further, since the second holding portion is rotatable around the screw rod or the screw hole with respect to the handle member or the base member on which the second holding portion is provided, the second holding portion is not twisted as the support is tightened, The support body can be firmly and securely clamped in cooperation with the 1 clamping section. And if an article is attached to the attachment part of the clamp fixed to the support as described above, the attachment of the article to the support is completed.
Therefore, according to the clamp of the present invention, the operation of fixing to the support can be performed very easily. Further, according to the clamp of the present invention, since it is configured by combining the base member and the handle member, the design can be remarkably improved as compared with the conventional clamp having an appearance like a tool. .

  In the article mounting clamp according to the present invention, a step for receiving a part of the support is provided on one surface of the base member so as to avoid the screw hole, and the first clamping portion is recessed from the step on the one surface of the base member. May be provided.

  In the above case, since a part of the support (for example, when the support is a plate-like body, the end surface thereof) is received by the step of the base member, the clamp can be easily positioned with respect to the support and tightened. In such a case, it is possible to avoid a part of the support from being damaged by contact with the rotating screw rod.

  In the article mounting clamp according to the present invention, a flange portion may be provided on one surface of the base member so as to cover a part of the outer peripheral portion of the handle member in a non-contact manner so as not to interfere with the support.

  If the clamp is configured as described above, the gap between the base member and the handle member is covered by the flange portion of the base member, so that the appearance is good and the design can be further improved. .

In the article mounting clamp according to the present invention, at least one (more preferably both) of the first clamping part and the second clamping part may have a concave arc surface along the surface of the rod-like or tubular support. is there. When the support is rod-shaped or tubular, if the concave arc surface as described above is formed in the first holding part or the second holding part, the support can be firmly and securely held. In addition, positioning is easy.
In the case where the support has a flat plate shape with straight edges, the first holding part and the second holding part are usually flat surfaces, but the surface is subjected to necessary unevenness processing in order to enhance the anti-slip function. May be.
Further, when the support has a curved plate shape having a curved edge, a concave arc surface is formed on one of the first holding part and the second holding part along the surface of the support, and the other A convex arc surface is formed on the surface.

  Next, an embodiment of the present invention will be described with reference to FIGS. In the following description, “front” means each right of FIGS. 1, 2, 3, and 6, “rear” means each left of these figures, and “left and right” means front. The left and right when viewed from the above.

[First Embodiment]
A first embodiment of the present invention is shown in FIGS. In this embodiment, as shown in FIG. 1, the present invention is applied to a clamp (1) for attaching a lighting fixture (L) to the upper edge of a rear wall plate (T1) of an aquarium fish tank (T). is doing.
The water tank (T) has a rectangular box shape with an upper opening, and is made of glass or acrylic resin.
As shown in FIG. 1, the luminaire (L) includes an arm (L1) and a shade (L2) attached to the tip of the arm (L1) via a universal joint (L3) so that the angle can be adjusted. Yes. In the arm (L1), the lower end of the L-shaped upper arm (L2) is slidably fitted into the upper end of the straight tubular lower arm (L11), and the pair (L11) (L12) is a pair. It is configured to be fixed by a lock device (L4) composed of a male screw member and a female screw member.

  As shown in FIGS. 2 and 3, the clamp (1) according to the present invention includes a base member (2) having a screw hole (21) on the front surface and a screw rod (31) screwed into the screw hole (21). And a handle member (3) having a circular cross section protruding from the center of the rear surface.

  On the front surface of the base member (2), a first clamping portion (41) made of a material having a non-slip function with respect to the rear wall plate (T1) of the aquarium fish tank (T) is fixedly provided. Further, on the rear surface of the handle member (3), a second clamping part (42) made of a material having a non-slip function with respect to the rear wall plate (T1) of the aquarium fish tank (T) is provided around the screw rod (31). It is provided to be freely rotatable.

  On the front surface of the base member (2), a step (23) for receiving the upper end surface of the rear wall plate (T1) of the water tank (T) is provided so as to avoid the screw hole (21). As shown in FIGS. 2 to 4, the first clamping portion (41) is a portion (201) that is recessed from the step (23) on the front surface of the base member (2), that is, a lower portion than the step (23). Is provided.

On the front surface of the base member (2), there is a flange portion (24) that covers the upper portion of the outer peripheral portion of the handle member (3) in a non-contact manner so as not to interfere with the rear wall plate (T1) of the water tank (T). Is provided.
At the upper part of the base member (2), an attachment part (22) to which the lower end part of the arm (L1) of the luminaire (L) is detachably attached is provided.

  The base member (2) has a substantially disc-shaped body (2A). The body (2A) is usually formed of a synthetic resin such as an ABS resin, but may be formed of a metal such as aluminum or a wood material.

  The rear surface of the body (2A) is slightly bulged rearward, and a step (251) is provided between the center portion and the peripheral portion of the rear surface. A plurality of radially extending ribs (252) are formed at equal intervals in the circumferential direction on the peripheral edge of the rear surface of the body (2A).

  The front surface of the body (2A) is a flat surface, and a bottomed hole (26) is formed in the center thereof. A metal embedded nut (2B) is inserted and fixed in the bottomed hole (26), and a screw hole (21) is formed by the embedded nut (2B).

  The step (23) is formed at a position slightly below the screw hole (21) on the front surface of the body (2A) so as to extend downward and horizontally.

  A shallow concave portion (27) is formed in a portion excluding the arc-shaped outer edge portion of the cutout circular portion (201) below the step (23) on the front surface of the body (2A), and the concave portion (27 ) Is attached with a sheet-like anti-slip member (4A). The anti-slip member (4A) forms the first clamping portion (41) described above. Rubber is used as the material of the anti-slip member (4A). The material of the anti-slip member (4A) (the first clamping part (41)) may be selected appropriately depending on the material constituting the support. For example, felt or sandpaper may be used in addition to rubber. Sometimes used.

  The flange portion (24) is formed integrally with the body (2A) on the outer periphery of the portion (202) protruding from the step (23) on the front surface of the body (2A), that is, the upper portion of the step (23). Has been.

The mounting portion (22) is a cylindrical shape formed in a rising shape from the upper peripheral surface of the body (2A) to the upper portion of the flange portion (24), and here the arm (L1) of the lighting fixture (L) The lower end is inserted.
Although not shown, a screw hole is formed in the peripheral wall of the mounting portion (22), and the arm (L1) inserted into the mounting portion (22) by the tip of a screw (such as a screw) screwed into the screw hole. You may comprise so that a lower end part may be fastened.

  The height of the step (23) is such that the front surface of the rear wall plate (T1) of the water tank (T) sandwiched between the first sandwiching portion (41) and the second sandwiching portion (42) is the front surface of the base member (2). The dimension is such that it is substantially flush with the protruding portion (202) than the step (23). Therefore, when the rear wall plate (T1) of the water tank (T) is tightened by the base member (2) and the handle member (3), a part of the second clamping portion (42) is in contact with the rear wall plate (T1). At the same time, the other part comes into contact with the protruding part (202) from the step (23) on the front surface of the base member (2).

The handle member (3) has a substantially disc-shaped body (3A). The body (3A) of the handle member (3) is also usually formed of a synthetic resin such as ABS resin, but can also be formed of a metal such as aluminum or a wood material.
Since the handle member (3) (the body (3A)) has a circular cross section, the handle member (3) is easy to rotate with one hand and is excellent in operability. Note that the handle member may have a cross-sectional shape other than a circle (for example, a regular polygon such as a regular hexagon or a regular octagon, a petal shape, or the like) as long as the ease of holding and operability are not impaired.

  The front surface of the body (3A) of the handle member (3) has the same shape and size as the rear surface of the body (2A) of the base member (2), and has the same step (351) and ribs as the rear surface of the body (2A) ( 352).

  On the peripheral surface of the body (3A), an annular step (320) is provided near its front end, the front portion of the annular step (320) is a large diameter portion (321), and the rear portion is a small diameter portion ( 322). The large diameter portion (322) has a serration (32a) on the surface thereof, and a gripping portion when the screw rod (31) of the handle member (3) is screwed into the screw hole (21) of the base member (2). It functions as. The height of the annular step (320) is slightly larger than the thickness of the flange portion (24) of the base member (2), and the longitudinal length of the small diameter portion (322) is the flange portion ( The dimensions are slightly smaller than the longitudinal length of 24). With the above configuration, when the base member (2) and the handle member (3) are screwed together, the flange portion of the base member (2) (on the upper portion of the small diameter portion (322) on the peripheral surface of the handle member (3) ( 24) is covered in a non-contact manner.

  The rear surface of the body (3A) is a flat surface, and the screw rod (31) protrudes horizontally from the center. The screw rod (31) is constituted by a shaft portion of a bolt (3B) partially embedded in the body (3A) by insert molding.

  An annular recess (33) is formed in a portion around the screw rod (31) on the rear surface of the body (3A). A ring-shaped spacer (4C) is rotatably accommodated in the annular recess (33). As shown in FIG. 5, a plurality of inward projections (331) are formed at intervals in the circumferential direction on the outer periphery of the opening of the annular recess (33). The spacer (4C) gets over these inward projections (331) and is forcibly fitted into the annular recess (33), so that it can rotate in the annular recess (33) and cannot move back and forth. An anti-slip member (4B) is affixed to the rear surface of the spacer (4C), and a second clamping part (42) is formed by the anti-slip member (4B). Rubber is used as the material of the anti-slip member (4B). However, the material of the anti-slip member (4B) (second clamping part (42)) may be selected appropriately depending on the material constituting the support, and in addition to rubber, for example, felt, sandpaper, etc. May be used.

Next, an example of a procedure for attaching the lighting fixture (L) to the rear wall plate (T1) of the water tank (T) using the clamp (1) will be described.
First, holding the base member (2) with one hand, the first clamping part (41) on the front surface is brought into contact with the upper edge of the rear surface of the rear wall plate (T1) in the water tank (T). The step (23) is arranged and held so as to be brought into contact with the upper end surface of the rear wall plate (T1).
Next, when the handle member (3) is held with the other hand and rotated so that the screw rod (31) is screwed into the screw hole (21) of the base member (2), the second clamping portion (42 ) Is brought into contact with the upper edge of the front surface of the rear wall plate (T1). When the base member (2) is further rotated, the second clamping part (42) is strongly pressed against the front surface of the rear wall plate (T1) without rotating together with the base member (2). By the above operation, the rear wall plate (T1) is tightened by the first clamping part (41) of the base member (2) and the second clamping part (42) of the handle member (3), and the clamp (1) is inserted into the water tank. Fixed to the rear wall plate (T1) of (T).
Finally, the lower end of the arm (L1) of the luminaire (L) is inserted into the mounting portion (22) of the base member (2). In this way, as shown in FIG. 1, the lighting fixture (L) is attached to the upper edge of the rear wall plate (T1) of the water tank (T) by the clamp (1).

As described above, the clamp (1) of this embodiment is similar to a tool because it is configured by combining the base member (2) and the handle member (3) in the form as shown in FIGS. Unlike conventional clamps, it has a simple, compact, and well-designed appearance, and can be used without problems when attaching a lighting fixture (L) to the rear wall plate (T1) of an aquarium tank (T) can do. In addition, as shown in FIG. 1, the gap between the base member (2) and the handle member (3) is covered by the flange portion (24) of the base member (2) from above, so that the rear plate (T1) is Even in the clamped mounting state, there is a sense of unity as a whole of the clamp (1), the appearance is good, and this is a factor that further improves the design.
In the above clamp (1), when attaching to the aquarium (T), hold the base member (2) in the required position with one hand while holding the handle member (3) with the other hand. Since it is only necessary to turn the screw rod (31) so as to be screwed into the screw hole (21) of the base member (2), the mounting operation can be performed easily and easily. Moreover, in this embodiment, since the serration (32a) is formed on the peripheral surface of the handle member (3), if this is held, the handle member (3) will not slip unintentionally when rotating. The tightening operation can be performed more smoothly.
Furthermore, in this embodiment, when the rear wall plate (T1) of the water tank (T) is tightened by the base member (2) and the handle member (3), a part of the second clamping part (42) is the rear wall. At the same time as contacting the plate (T1), other part contacts the protruding portion (202) beyond the step (23) on the front surface of the base member (2), so that rattling and loosening hardly occur.

[Second Embodiment]
FIG. 6 shows a second embodiment of the present invention. In this embodiment, the present invention is applied to a clamp (1) for attaching a lighting fixture (L) having the same configuration as that shown in FIG. 1 to an intermediate portion of the length of a horizontal tubular frame (F).
The clamp (11) of this embodiment has substantially the same structure as the clamp (1) of the first embodiment except for the following points. That is, in the clamp (11) shown in FIG. 6, the first clamping part (41) and the second clamping part (42) have concave arc surfaces (411) (421) along the surface of the tubular frame (F). It has been made.

  The concave portion (271) formed in the lower portion (201) of the step (23) on the front surface of the base member (2) has a horizontal groove shape having a semicircular cross section. The 1st clamping part (41) is formed of the non-slip | skid member (4A) affixed on this recessed part (271).

  The spacer (4C) of the handle member (3) is provided with a horizontal groove-shaped recess (45) having an arcuate cross section at the lower portion of the rear surface thereof. The second clamping part (42) is formed by a non-slip member (4B) attached to the entire rear surface of the spacer (4C) including the concave part (45).

  The clamp (11) can also be attached to the tubular frame (F), which is a support, in substantially the same manner as the clamp (1) of the first embodiment. At this time, the positioning of the tubular frame (F) is facilitated by the concave arc surface (411) of the first clamping part (41) and the concave arc surface (421) of the second clamping part (42), and the frame (F ) Has a large contact area, so that a sufficient tightening strength can be secured.

  In this embodiment, the step (23) is not partly in contact with the frame (F), but as described above, the positioning of the frame (F) by the concave arc surfaces (411) (421). In addition, contact with the screw rod (31) that rotates accompanying it is also avoided. However, when the clamp (11) is attached to the frame (F) having a larger outer diameter, the step (23) comes into contact with the upper part of the frame (F), and the positioning action and the same as in the first embodiment. There may be an effect of avoiding contact with the screw rod (31).

Each of the above embodiments is merely an example, and it is of course possible to implement the present invention with appropriate modifications within the scope not departing from the gist of the present invention described in the claims.
That is, for example, in each of the above embodiments, the attachment portion is provided on the base member, but when the support is a horizontal plate-like body such as a top plate, the attachment portion is provided on the front surface of the handle member in FIG. And may be used in such a manner that the mounting portion faces upward. Moreover, you may make it form an attaching part in each of a base member and a handle member so that it can apply to the attachment to both a horizontal and vertical plate-shaped body.

It is a side view which shows the use condition of the clamp which concerns on 1st Embodiment of this invention. It is a vertical longitudinal cross-sectional view of the clamp of 1st Embodiment. It is a side view which shows the state which isolate | separated the clamp of 1st Embodiment into the base member and the handle member. It is a front view of a base member. It is a rear view of a handle member. It is a vertical longitudinal cross-sectional view of the clamp which concerns on 2nd Embodiment of this invention.

Explanation of symbols

(T): Aquarium fish tank
(T1): Rear wall plate (support)
(L): Lighting equipment (article)
(1) (11): Clamp
(2): Base member
(21): Screw hole
(22): Mounting part
(23): Step
(24): Flange
(3): Handle member
(31): Screw rod
(41): 1st clamping part
(42): Second clamping part

Claims (3)

A clamp for attaching an article to a plate-like, rod-like or tubular support,
A base member having a screw hole on one side, and a handle member in which a screw rod screwed to the screw hole protrudes from the center of the one side;
One of the one surface of the base member and the one surface of the handle member is fixedly provided with a first clamping portion made of a material having an anti-slip function with respect to the support, and on the other side, A second holding portion made of a material having a non-slip function is provided around the screw rod or the screw hole so as to be rotatable;
An article attachment clamp, wherein an attachment portion to which an article is detachably attached is provided on at least one of a base member and a handle member.   A step for receiving a part of the support on the one side of the base member is provided avoiding the screw hole, and the first clamping portion is provided on a portion recessed from the step on the one side of the base member. The article mounting clamp according to claim 1, wherein   3. The article mounting portion according to claim 2, wherein a flange portion is provided on a part of the outer peripheral portion of the handle member so as not to interfere with the support body on the one surface of the base member. Clamp.

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