JPH0682715U - Lighting fixture mounting device - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a lamp mounting device that facilitates mounting work on a mounting target. [Structure] A mounting base 3 fixed to a mounting object is provided separately from the lamp and the arm 2. The mounting base 3 is the arm 2
The receiving cylinder portion 31 into which the insertion portion 21 provided at the end of is inserted. The receiving cylinder portion 31 has a large mouth portion 31a and a small mouth portion 31b arranged vertically, and has a taper portion 31c between the large mouth portion 31a and the small mouth portion 31b. The insertion portion 21 includes a taper portion 21c between a large diameter portion 21a inserted into the large opening portion 31a and a small diameter portion 21b inserted into the small opening portion 21b. Large diameter part 31
The mounting screw 22 is screwed onto the peripheral surface of a, and the mounting screw 22 engages with the notch groove 38 provided in the receiving cylinder portion 31, and the notch groove is provided between the head of the mounting screw 22 and the large diameter portion 31a. The peripheral portion of 38 is clamped.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 TECHNICAL FIELD The present invention relates to a lamp mounting device mainly used for fixing a lamp used for a crime prevention light or the like to an electric pole, a pillar, an outer wall of a building, which is an object to be mounted.

[0002]

[Prior art]

 2. Description of the Related Art Conventionally, as this type of lamp mounting device, there has been provided an apparatus in which a mounting base having a mounting portion fixed to a mounting object and a lamp are integrated by welding or the like. Since this type of mounting base is integrated with the lighting fixture by welding, etc., if the mechanical fixing strength between the mounting base and the mounting target is maintained, the lighting fixture will be firmly fixed to the mounting target. Can be set.

[0003]

[Problems to be solved by the device]

 However, since the lamp is fixed to the mounting base, it is necessary to mount the mounting base on the object to be mounted while supporting the lamp, and when mounting the mounting base, a heavy member is required. There is a problem that it is necessary to support the equipment and the work cannot be done easily.

The present invention is intended to solve the above problems, and an object of the present invention is to provide a lamp mounting device that facilitates mounting work of a mounting base on a mounting object.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention provides a mounting base having a mounting portion fixed to a mounting object, and a mounting tube integrally formed with the mounting portion, and a lamp fitting connected to one end of the mounting tube. The receiving cylinder portion is formed in a shape in which a large mouth portion and a small mouth portion having different opening areas are vertically arranged along the center line direction. A large-diameter portion whose outer peripheral shape is smaller than the large mouth portion of the receiving cylinder portion and larger than the small mouth portion, and a small diameter portion which is smaller than the small mouth portion are integrally formed. The notch groove that engages with the mounting screw that is screwed into the large diameter part when the small diameter part is inserted into the small diameter part and the large diameter part is inserted into the large diameter part is formed facing the opening edge of the large diameter part. It is characterized in that the peripheral portion of the notch groove is sandwiched between the outer peripheral surface of the diameter portion and the head portion of the mounting screw.

[0006]

[Action]

 According to the above configuration, since the arm coupled to the lamp and the mounting base fixed to the mounting object are separate bodies, it is only necessary to fix the mounting base to the mounting object and then couple the arm to the mounting base. Therefore, the work of fixing the mounting base to the mounting target becomes easy. Moreover, the receiving tube of the mounting base is formed in a shape in which the large opening and the small opening having different opening areas are vertically arranged along the center line direction, and the outer peripheral shape of the arm insertion portion is the large opening of the receiving tube. It is formed into a shape that includes a large-diameter portion that is smaller than the small-diameter portion and that is larger than the small-diameter portion, and a small-diameter portion that is smaller than the small-diameter portion. When the arm insertion part is inserted from above, the large diameter part of the arm insertion part is locked between the large mouth part and the small mouth part of the receiving tube, and the weight of the lamp and arm is received by the mount. Since it can be received by the tubular portion, the arm and the lamp can be provisionally attached to the attachment base by a simple work of inserting the insertion portion into the receiving tubular portion. Also, engage the mounting screw that is screwed into the large diameter part of the insertion part with the notch groove formed facing the opening edge of the large mouth part of the receiving cylinder, and also the outer peripheral surface of the large diameter part and the head of the mounting screw. By sandwiching the peripheral part of the notch groove with the part, the arm can be fixed so as not to come off from the mounting base.

In short, it is possible to separate the mounting base from the lamp and the arm to facilitate fixing of the mounting base to the mounting target, and to easily and firmly fix the arm to the mounting base.

[0008]

【Example】

 (Example 1) As shown in FIG. 4, the lamp 1 has an arm 2 integrally coupled thereto, and a mounting base 3 having a receiving tube portion 31 into which the other end of the arm 2 is inserted. As shown in FIG. 2, the mounting base 3 is formed by bending a sheet metal into a shape in which two flat plate-shaped mounting pieces 32 are integrally connected to the receiving cylinder portion 31 as a mounting portion. . That is, the receiving tube portion 3 is formed in a substantially cylindrical shape, and a part in the circumferential direction is opened over the entire length in the center line direction, and is attached to both side edges of this opening portion via the leg pieces 33, respectively. The piece 32 is formed in a continuous shape.

On the surface of the mounting piece 32 on which the receiving cylinder portion 3 is provided, a protrusion 34 is formed at an intermediate portion in the direction of the center line of the receiving cylinder 31. The mounting hole 35 opens. Further, mounting holes 36 are also opened at the corners of the mounting pieces 32. A fixing tool such as a screw is inserted through these mounting holes 35, and the mounting base 3 can be fixed to a mounting object such as a wall surface by using the fixing tool. A slit 37 is formed in the leg piece 33 of the mounting base 3 as shown in FIG. 1B, and the fixing band 4 is inserted into this slit 37 as shown in FIG. The fixing band 4 has a well-known shape made of a metal strip plate in which a large number of through holes 41 are formed in the longitudinal direction, and the fixing band 4 is wound around a utility pole 5 which is an attachment object, and a restraint is passed through the through holes 41. The fixing band 4 is attached to the electric pole 5 by the.

The receiving tube portion 31 is formed in a shape in which a large opening portion 31a and a small opening portion 31b (corresponding to the opening at the lower end of the receiving tube portion 31) having different opening areas are arranged side by side along the center line. The mouth portion 31a and the mouth portion 31b are continuously and integrally connected by a tapered tube 31c which gradually reduces the opening diameter from the large mouth portion 31a to the mouth portion 31b. Here, in a state in which the mounting base 3 is coupled to the mounting object, the center line of the receiving cylinder portion 31 is arranged in the upper and lower directions, and the large mouth portion 31a is arranged above the small mouth portion 31b. . A cutout groove 38 is formed in the large opening 31a so as to face the opening edge (upper edge of FIG. 2A).

By the way, as shown in FIG. 3, in the insertion portion 21 of the arm 2 which is inserted into the receiving cylinder portion 31, the large diameter portion 21a which is inserted into the large mouth portion 31a and the small diameter portion 21b which is inserted into the small mouth portion 31b. The diameter portion 31b (corresponding to the lower end of the insertion portion 21 in the embodiment) is integrally formed. Between the large diameter portion 21a and the small diameter portion 21b, the outer diameter gradually decreases from the large diameter portion 21a toward the small diameter portion 21b so as to correspond to the taper cylinder 31c formed in the receiving cylinder portion 31. A tapered portion 21c is formed. Here, when the diameter of the large diameter portion 31a is D ₁ , the diameter of the small diameter portion 31b is D ₂ , the diameter of the large diameter portion 21a is d ₁ , and the diameter of the small diameter portion 21b is d ₂ , then D ₁ > d ₁ The dimensional relationship is set so that the relationship of> D ₂ > d ₂ is established. Therefore, if the insertion portion 21 is inserted into the receiving cylinder portion 31, the lower end of the large diameter portion 21a will be locked by the inner peripheral surface of the tapered cylinder 31c, and the arm 2 will not fall downward. Here, if the inclination angle with respect to the center line of the inner peripheral surface of the taper cylinder 31c and the inclination angle with respect to the center line of the outer peripheral surface of the taper portion 21c are approximately matched, the contact area between the taper cylinder 31c and the taper portion 21c is approximately the same. Therefore, the fixing strength of the insertion portion 21 with respect to the receiving cylinder portion 31 can be increased.

Further, a mounting screw 22 is screwed into the large-diameter portion 21 a of the insertion portion 21, and the mounting screw 22 engages with the notch groove 38 as shown in FIG. That is, the engagement of the mounting screw 22 and the cutout groove 38 prevents the insertion portion 21 from rotating with respect to the receiving cylinder portion 31. Moreover, when the mounting screw 22 is tightened, the peripheral portion of the notch groove 38 is sandwiched between the outer side surface of the insertion portion 21 and the head of the mounting screw 22, and the arm 2 from the receiving cylinder portion 31 moves. It will be retained. As described above, the arm 3 can be firmly fixed to the mounting base 3 only by using the mounting screw 22 and the notch groove 38.

With the configuration described above, the mounting base 3 can be fixed to the mounting target separately from the lamp 1 and the arm 2, and it is not necessary to support the relatively heavy lamp 1 or arm 2 during the mounting work. The installation work becomes easy. In particular, if the lamp 1 is a high-light work such as a crime prevention light, remove the heavy objects such as the lamp 1 and the arm 2 when mounting the mounting base 3 on the object to be mounted. In addition, since the arm 2 can be temporarily held by simply inserting the arm 2 into the mount 3 after fixing the mount 3, the work can be performed safely.

Second Embodiment The first embodiment is different from the first embodiment in that stop projections 39 are formed on both sides of the cutout groove 38 in the vicinity of the upper end of the cutout groove 38 of the receiving cylinder portion 31, as shown in FIG. Is different from. That is, the stop projection 39 is formed so as to prevent the head of the mounting screw 22 from moving upward, and the arm 2 moves upward with respect to the mounting base 3 even if the mounting screw 22 is loosened a little. It is prohibited to do. By providing such a stop protrusion 39, it is possible to improve the reliability of the connection of the arm 2 to the mounting base 3. Since other configurations are the same as those in the first embodiment, the description thereof will be omitted.

In the above embodiment, the small-diameter portion 21b is used as the lower end of the insertion portion 21 and the fore-edge portion 31b is used as the lower end of the receiving cylinder portion 31. You may form so that it may become a fixed diameter.

[0016]

[Effect of device]

 As described above, according to the present invention, since the arm coupled to the lamp and the mounting base fixed to the mounting object are provided separately, the arm mounting base is fixed after the mounting base is fixed to the mounting target. It has only an advantage that it can be easily connected to the object to be attached, and it has the advantage of facilitating the work of fixing the attachment base. Also, the receiving part of the mounting base is formed in a shape in which the large mouth part and the small mouth part with different opening areas are vertically arranged along the center line direction, and the outer peripheral shape of the arm insertion part is larger than that of the large mouth part of the receiving part. Is also small in size and has a large diameter portion that is larger than the small opening portion and a small diameter portion that is smaller than the small opening portion, so that the arm is attached to the receiving tube portion installed on the mounting base. When the insertion part of is inserted from above, the large diameter part of the insertion part of the arm is locked between the large opening and the small opening of the receiving tube, and the weight of the lamp and the arm is received in the receiving tube of the mounting base. The advantage is that the arm and the lamp can be temporarily attached to the attachment base by a simple operation of inserting the insertion portion into the receiving tube portion. Further, engage the mounting screw that is screwed into the large diameter part of the insertion part with the notch groove formed facing the opening edge of the large mouth part of the receiving cylinder part, and the outer peripheral surface of the large diameter part and the head of the mounting screw. Since the peripheral part of the notch groove is sandwiched between it and the arm, it can be fixed so that the arm does not come off from the mounting base, and even though the mounting base and arm are separate bodies, both are firmly connected. There is an advantage that you can.

[Brief description of drawings]

1A and 1B show a first embodiment, in which FIG. 1A is a front view of a main part, and FIG.
Is a side view of a main part.

2A and 2B show a mounting base used in Embodiment 1, where FIG. 2A is a front view and FIG. 2B is a plan view.

FIG. 3 is a side view of the main part of the arm used in the first embodiment.

FIG. 4 shows a usage pattern of Example 1, (a) is a front view,
(B) is a side view.

5A and 5B show a second embodiment, where FIG. 5A is a front view of a main part, and FIG.
Is a side view of a main part.

[Explanation of symbols]

 1 Lamp 2 Arm 3 Mounting Base 21 Insertion Part 21a Large Diameter Part 21b Small Diameter Part 22 Mounting Screw 31 Receiving Tube Part 31a Large Port 31b Small Port 32 Mounting Piece 38 Notch Groove

Claims (1)

[Scope of utility model registration request] 1. A mounting base having a mounting portion fixed to an object to be mounted, the mounting portion integrally formed with a receiving tube portion, and an insertion portion for inserting a lamp into one end portion to be inserted into the receiving tube portion. An arm provided at an end portion is provided, and the receiving cylinder portion is formed in a shape in which a large mouth portion and a small mouth portion having different opening areas are vertically arranged along a center line direction, and an outer peripheral shape is formed in the insertion portion. The large diameter part, which is smaller than the large mouth part and larger than the small mouth part, and the small diameter part, which is smaller than the small mouth part, are integrally formed, and the small diameter part is inserted into the small mouth part. With the large diameter part inserted in the large diameter part, a notch groove that engages with the mounting screw screwed into the large diameter part is formed facing the opening edge of the large diameter part, and the outer peripheral surface of the large diameter part and the head of the mounting screw A lamp fitting device, characterized in that a peripheral portion of a notched groove is sandwiched between the lamp mounting portion and the portion.