JPH05274569A - Bracket for sensor base - Google Patents

Abstract

PURPOSE:To provide a sensor base bracket capable of being easily fixed to the sensor base by one-touch operation and improving the setting efficiency of the sensor base to a fixing member as compared with convensional method. CONSTITUTION:Two fixing screws 6, 6 are fixed to a fixing frame 2 in a freely rotatable state so as to be inserted into respective holes 3a, 5a formed on a base part 3 and an abutting plate part 5 constituting the frame 2 and two holding fittings 7, 7 are freely rotatably screwed around the screws 6, 6 between the base part 3 and the plate part 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sensor base mounting bracket attached to a sensor base for mounting and fixing the sensor base on a mounting member such as a ceiling.

[0002]

2. Description of the Related Art FIG. 6 is a view showing a conventional example of a sensor base mounting bracket.

The conventional sensor base mounting member 20 is composed of a mounting screw 21, a sandwiching member 22, and a coil spring 23. In the sensor base mounting bracket 20, the mounting screw 21 is rotatably fitted into a hole provided in a flange portion 24a of a cylindrical sensor base 24, and the coil spring 23 is attached to the mounting screw 21. By inserting and inserting the clamping metal fitting 22 into the mounting screw 21,
It is attached to the sensor base 24. The sensor base 2
Two of the sensor base mounting brackets 20 are mounted on the flange portion 24a of No. 4. The sensor base mounting bracket 2
When the mounting screw 21 is rotated in a specific direction with a screwdriver or the like in a state where it is attached to the sensor base 24, the sandwiching metal piece 22 is inverted in the radial outward direction of the sensor base 24, and then the attachment is performed. The screw 21 is adapted to move linearly in the axial direction.

The sensor base 24 is attached to a mounting member 3 such as a ceiling.
When the sensor base mounting bracket 20 is attached to the sensor base 24, the sensor base 24 to which the sensor base mounting bracket 20 is mounted is fitted into the mounting hole 32 formed in the mounting member 31, and the two sensor base mounting brackets 20 and 20 are mounted. The sensor base 24 is installed and fixed to the mounting member 31 by rotating the mounting screws 21 and 21 in the specific directions, respectively, and sandwiching the inner edge portion of the mounting hole 32 between the flange portion 24a and the sandwiching metal piece 22. To do.

[0005]

However, in the conventional configuration, two (or more than one in some cases) sensor base mounting brackets 20 must be individually attached to the flange portion 24a of the sensor base 24. The mounting work is troublesome, and when the sensor base 24 to which the sensor base mounting bracket 20 is mounted is fixedly mounted on the mounting member, the rotation axis of the mounting screw 21 wobbles and the screw rotation is unstable. In addition, since the fixing of the sensor base 24 to the mounting member may become unstable, the installation workability of the sensor base 24 on the mounting member 31 was not good.

The present invention has been made in view of the above problems, and an object of the present invention is to easily attach the sensor base to the sensor base with one touch and to install the sensor base on a mounting member. It is an object of the present invention to provide a sensor base mounting bracket that can improve the above-mentioned conventional value.

[0007]

In order to solve the above problems, the present invention provides an abutting plate portion that can abut a flange portion of a sensor base to be attached, and a base portion that faces the abutting plate portion. A sensor base mounting bracket comprising a metal frame connected and fixed to each other at a constant interval, wherein mounting screws are fitted in respective holes provided in the base part and the contact plate part. A plurality of the mounting screws are rotatably attached to the metal fitting frame so as to be inserted, and the gripping metal fittings are inserted so as to be interposed between the base portion and the contact plate portion. It is characterized by being rotatably screwed into a mounting screw.

[0008]

The rotating shaft of the mounting screw 21 is fixed by inserting the mounting screw into the respective holes provided in the abutment plate portion and the base portion of the metal fitting frame in a rotatable state. ..

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing an embodiment according to the present invention, and FIG. 2 is an exploded perspective view showing an embodiment of the present invention.

1 and 2, reference numeral 2 denotes a metal fitting frame, which is a ring-shaped base portion 3 and two abutting plate portions 5, which can abut on the flange portion 10a of the sensor base 10.
Each of the 5 has a structure in which they are opposed to each other with an appropriate interval and are connected and fixed to each other by the connecting portions 4 and 4. However, in this embodiment, the base portion 3, the two abutting plate portions 5 and 5, and the connecting portions 4 and 4 are integrally formed of metal, and the metal fittings are formed by bending. The frame 2 is formed.

As shown in FIG. 2, the base portion 3 is provided with 2
Two holes 3a, 3a are bored, and holes 5a, 5a are bored in the two abutting plate portions 5 so as to correspond to the holes 3a, 3a, respectively. The mounting screw 6 having the screw head 6a is provided in the two pairs of holes 3a and 5a.
Is rotatably inserted. The other two pairs of holes 3
The same applies to a and 5a. At this time, the screw head 6a
Is on the contact plate portion 5 side. Further, two sandwiching metal fittings 7, 7 are respectively screw-fitted to the mounting screws 6, 6 so as to be interposed between the base portion 3 and the corresponding contact plate portion 5. The sandwich metal fitting 7 is composed of a locking plate portion 7a and a projection portion 7b protruding from the locking portion 7a. It should be noted that, as shown in FIGS. 1 and 2, the protruding portion 7b is slightly inclined with respect to the surface of the locking plate portion 7a,
It is preferable that the locking plate portion 7a is provided so as to project.

Incidentally, the mounting screw 6 has the two pairs of holes 3a,
In order to prevent the mounting screw 6 from slipping out of the hole 5a, a stopper is fitted to the tip of the mounting screw 6 in a state where the mounting screw 6 is fitted into the two pairs of holes 3a and 5a, and the stopper is inserted into the hole 3a. It is preferable to be able to abut and lock. Further, similarly to the conventional case, a coil spring may be fitted and inserted into the mounting screw 6 so as to be interposed between the abutment plate portion 5 and the sandwich metal fitting 7.

As shown in FIG. 1, the sensor base 10 to be attached to the sensor base mounting bracket 1 having the above-described structure is composed of a base cylindrical portion 10a and a flange portion 10b, and the flange portion 10b has a flange portion 10b. A locking groove 10d having a hole part in which the screw head 6a of the sensor base mounting bracket 1 can be fitted is provided. Further, on the upper surface of the base cylindrical portion 10a, two upper surface hook-shaped clip fitting guides 10c are provided.

When the sensor base 10 is mounted on the sensor base mounting bracket 1 having the above-described structure, first, the two sandwiching brackets 7 are located at a position very close to the base portion 3. Further, the tips of the locking plate portions 7a, 7a of the two sandwiching metal fittings 7, 7 are made to face each other. Then, with the two screw heads 6a, 6a of the sensor base mounting bracket 1 fitted into the holes of the two locking grooves 10d, 10d of the sensor base 10, respectively, the sensor base The mounting member 1 and the sensor base 10 are relatively rotated and fitted to each other. At this time, the two sandwiching metal fittings 7 and 7 are connected to the two sandwiching metal fitting guides 10c and 1 respectively.
At the same time as being housed inside the hook type 0c, the screw heads 6a, 6
The a is abuttingly locked by the locking grooves 10d, 10d.

FIG. 3 shows the sensor base mounting bracket 1 described above.
FIG. 3 is a partially cutaway top view showing a sensor base 10 (hereinafter, referred to as “fitting sensor base 30”) to which is attached.

In the sensor base 30 with a metal fitting in the above-mentioned state, the clamp metal fitting 7 is housed inside the hook shape of the clamp metal fitting guide 10c as in the condition 7A. When the mounting screw 6 screwed into the shaft is axially rotated in a specific direction, the sandwiching metal fitting 7 is axially rotated in the specific direction following the axial rotation. When the shaft is rotated to a certain extent, the protrusion 7b of the clip 7 comes into contact with the side surface of the base cylindrical portion 10a of the sensor base 10, and the clip 7 stops the axial rotation. Become. Further, when the mounting screw 6 is axially rotated in a specific direction from that state, the sandwiching metal fitting 7 screw-fitted into the mounting screw 6 is mounted while the projection 7b is in contact with the side surface of the base cylindrical portion 10a. The sensor base 1 is moved linearly in the axial direction on the screw 6.
The flange portion 10b of 0 is gradually approached. .

The sensor-equipped sensor base 30 having the above-mentioned structure
4 is installed and fixed to a mounting member 31, such as a ceiling, as shown in FIG. 4, first, the metal fittings 7 and 7 are housed inside the hooks of the metal fitting guides 10c and 10c. The base 30 is fitted into the mounting hole 32 provided in the mounting member 31. However, the diameter of the mounting hole 32 must be smaller than the diameter of the flange portion 10b of the sensor base 30 with the fitting. And the sensor base with the fitting 3
When the mounting screw 6 of the sensor base 30 with the metal fitting is axially rotated in the specific direction by a driver 33 or the like as shown in FIG. 7 reverses and linearly moves in the direction of approaching the flange portion 10b in the reversed state, and finally, as shown in the state 7D, the inner edge portion of the mounting hole 32 is clamped by the clamp metal fitting 7 and the flange portion 10b. Therefore, the mounting screw 6
It is possible to install and fix the fitting-equipped sensor base 30 on a mounting member 31 such as a ceiling by rotating both of them in the specific direction by a driver 33 or the like.

In the present embodiment, the two abutting plate portions 5 and 5 may be replaced by one ring-shaped member into which the base cylindrical portion 10a of the sensor base 10 can be fitted.

[0020]

As described above, the sensor base mounting bracket of the present invention comprises a contact plate portion capable of contacting the flange portion of the sensor base to be mounted, and a base portion facing the contact plate portion. A sensor base mounting bracket comprising a metal frame connected and fixed to each other at a constant interval, wherein mounting screws are fitted in respective holes provided in the base part and the contact plate part. A plurality of the mounting screws are rotatably attached to the metal fitting frame so as to be inserted, and the gripping metal fittings are inserted so as to be interposed between the base portion and the contact plate portion. Since the mounting screw is rotatably fitted into the mounting screw, the sensor base mounting bracket can be easily mounted on the sensor base with one touch, and the rotation axis of the mounting screw is fixed. It Since the screw rotation of the mounting screw is very stable and the fixing of the sensor base to the mounting member is stable, the mounting of the sensor base to the mounting member of the sensor base is performed by using the sensor base mounting bracket. The installation workability of is further improved compared to the past.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is an exploded perspective view showing an embodiment of the present invention.

FIG. 3 is a partially cutaway top view showing an embodiment of the present invention.

FIG. 4 is a view showing a construction state of the embodiment of the present invention.

FIG. 5 is a view showing a construction state of the embodiment of the present invention.

FIG. 6 is a diagram showing a conventional example.

[Explanation of symbols]

 1 Sensor base mounting bracket 2 Bracket frame 3 Base part 5 Abutment plate part 6 Mounting screw 7 Clamping bracket 10 Sensor base 10b Flange part

Claims (1)

[Claims] 1. A metal fitting frame formed by connecting and fixing an abutting plate portion capable of abutting a flange portion of a sensor base to be mounted and a base portion facing the corresponding contact plate portion at a fixed interval. A sensor base mounting bracket comprising, wherein a plurality of the mounting screws are attached to the bracket frame so that the mounting screws are fitted into respective holes provided in the base part and the contact plate part. It is mounted in a rotatable state, and the sandwiching metal fitting is rotatably screwed into each of the mounting screws so that the sandwiching metal fitting is interposed between the base portion and the contact plate portion. Sensor base mounting bracket.