JP2530238Y2 - Plug-in fittings for hollow wall boards - Google Patents

Description

[Detailed description of the invention] (Industrial application field) In this invention, a fitting which is inserted into the hollow portion of the hollow wall plate and fitted and fixed in the mounting hole of the hollow wall plate is provided in the hollow portion of the hollow wall plate. The present invention relates to a plug for a fitting for a hollow wall plate to be inserted.

(Prior art) Conventional plugs of this type of mounting for hollow wall boards include:
There is a device described in Japanese Utility Model Publication No. 1-20410.

That is, if the mounting tool is pushed into the hollow portion of the hollow wall plate while the pin at the tip of the insertion tool is fitted into the screw hole of the mounting device from below, the guide hole rises in the mounting hole of the hollow wall plate. In response, the mounting tool is raised by the restoring force of the spring of the mounting tool, and the rising of the guide hole is engaged in the mounting hole, so that the mounting tool is mounted on the hollow wall plate.

(Problems to be Solved by the Invention) In the above-mentioned conventional mounting device for a hollow wall plate mounting device, the pins of the mounting device are simply fitted into the screw holes of the mounting device and the mounting device is pushed in. From the above, the rising of the guide hole is engaged in the first mounting hole of the hollow wall plate, and the mounting tool is mounted.

Therefore, there is a problem in that it is not possible to arrange a plurality of mounting holes in the hollow wall plate in series at appropriate intervals and to mount the mounting fixture in the required mounting holes.

(Means for Solving the Problems) In order to solve the above problems, the present invention provides a handle (2) at the rear end of the main rod (1) and a screw hole fitting rod (3) on the front end. The connecting rod (6) of the guide metal (4) on both sides of the screw hole fitting rod (3) is fixed to the front part, and the operating rod (6) fitted to the main rod (1) so as to be able to move back and forth. An operating handle (7) is provided at the rear end of the bracket, and a vertical piece of a locking metal ( 9 ) formed with a mounting piece (8) facing forward and upward is fixed at the front end, and is operated with the handle (2). Spring (10) between handles (7)
To form a plug (a) of a fitting for a hollow wall plate.

(Operation) If the handle (7) is pulled backward against the elasticity of the spring (10), the operating rod (6) with the latch ( 9 ) is retracted.

On the other hand, when the handle (7) is released, the operating rod (6) with the latch ( 9 ) moves forward and returns to the original position by the restoring force of the spring (10).

(Embodiment) The structure of one embodiment of the present invention shown in the drawings will be described. (A) shows a plug, (1) a main rod of the plug (a), and a handle (2) at the rear end. ) Is provided, and the front end is bent upward to form a screw hole fitting rod (3) on the front end.
Reference numeral (4) denotes guides arranged on both sides of the screw hole fitting rod (3). The guide ends are connected by connecting pieces (5) to form U-shapes, and the opening is directed forward to connect the connecting pieces (5). ) Is fitted and fixed to the front part of the main rod (1). (11) is a U-shaped guide metal that is attached to the back of the guide metal (4) on both sides, and the central through hole of the intermediate piece is fitted and fixed to the main rod (1). (12) is a washer fitted to the lower end of the screw hole fitting rod (3).

Reference numeral (6) denotes an operating rod. An operating handle (7) is attached to a rear end of the operating rod (6), and a front end of an upper horizontal piece is bent upward at a front end thereof. front to guide piece piece (13), rear to the fixture locking pieces respectively formed the guide piece (8) (13) hole in the middle part (14) of the boring shape engaging composed clasp (9) Fix the vertical piece. Then, the operating rod (6) to which the operating handle (7) and the shape lock ( 9 ) are attached is fitted to the main rod (1) so as to be able to move back and forth, and the handle (2).
A spring (10) fitted to the main rod (1) is interposed between the control handle (7) and the vertical piece of the lock ( 9 ) is formed into a U-shaped guide by the elastic force of the spring (10). The hole (14) faces the intermediate piece of the gold (11), and faces the screw hole fitting rod (3).

(B) shows a fixture for a hollow wall plate, (15) is a base metal of the fixture (b), and a flange (17) is provided at a lower end in a hole (16) formed in an intermediate portion of a center piece thereof. The nut (18) provided with the boss is inserted from below and projected upward, and the flange (17) is attached to the base (1).
5) The screw (19) is formed in the base (15) by caulking and fixing, and a through hole (20) is formed in the front end of both sides of the base (15) to form the through hole (20). A convex arc-shaped notch groove (21) is provided at a position behind the proper interval. A spring ( 22 ) is formed by bending a spring wire into a U-shape and bending both free ends (23) and (24) so as to overlap each other on opposite sides. Then, the two bent pieces (23) and (24) of the spring ( 22 ) are pushed open against the elasticity and one of the bent pieces (23) is inserted into the through hole (20) of the base metal (15). I do. Next, the other bent piece (24) of the spring ( 22 ) is gripped and further pushed open against the elasticity, and the other bent piece (24) is engaged with the notch groove (21) to thereby fix the base metal. (15)
The spring ( 22 ) constitutes a fitting (b) in which the spring ( 22 ) is elastically operable in the front-rear direction.

(C) is a hollow wall plate made of concrete and used for an outer wall or a partition wall of a building. In the hollow wall plate (c), a number of hollow sections (25) having a square cross section open at both ends are arranged. At the center of the outer wall plate of the cavity (25), several mounting holes (26) are arranged in series at appropriate intervals.

Next, the operation will be described. In order to attach the fixture (b) to the hollow wall plate (c), the rear part of the base (15) of the fixture (b) is fitted between the guides (4) on both sides of the insert (a). As shown in FIG. 7, the insertion screw hole (19) is inserted below the stopper piece (8) of the latch ( 9 ) into the fitting rod (3) of the insertion tool (a).
And a mounting tool (b) is attached to the front end of the insertion tool (a).

Then, as shown in FIG. 7, if the insertion tool (a) with the mounting tool (b) is pushed into the required hollow part (25) of the hollow wall plate (c), the spring ( 22 ) is turned into the hollow part (25). (23), (24)
And moves upward and into the cavity (25). Thereafter, the lower end of the spring ( 22 ) slides on the lower surface of the hollow portion (25), and the guide piece (13) slides on the upper surface of the hollow portion (25). Inserted into the part (25).

When the handle (7) is pulled backward against the elasticity of the spring (10) when the fitting (b) is inserted to the position of the required mounting hole (26), as shown in FIG. The latch ( 9 ) moves along with the guide (11) via the operating rod (6), and the stopper (8) and the guide (13) of the latch ( 9 ) are attached to the fixture (b). The attachment (b) is released from the base (15) and released from the rear. Accordingly, the spring (22) the spring (22) pushes up the base metal (15) operating in opposite the by the restoring force of the fixture (b) of the nut (18) is a threaded bore (19) The upper protruding portion of the insertion tool (a) comes out of the fitting rod (3), enters the mounting hole (26) of the hollow wall plate (c), and the base metal (15) is pressed and held on the upper surface of the hollow portion (25). The fixture (b) is attached to a required portion of the hollow wall plate (c).

At this time, if the nut (18) of the fixture (b) is slightly displaced from the required mounting hole (26) of the hollow wall plate (c) and the nut (18) does not enter the mounting hole (26), When the handle (2) was finely adjusted in the front-rear operation with the handle (7) being pulled, the nut (18) of the fixture (b) was opposed to the attachment hole (26) of the hollow wall plate (c). At this time, the fixture (b) operates in the same manner as described above and is attached to the hollow wall plate (c).

After that, the insertion tool (c) is extracted from the inside of the hollow portion (25). On the other hand, when the handle (7) is released, the operating rod (6), the handle (7) and the latch ( 9 ) move forward as a unit by the restoring force of the spring (10) and return to the original position.

The spring ( 22 ) operates in the same manner as described above even if the spring ( 22 ) is bent into a shape such as a U-shape or a W-shape.

(Effects of the Invention) The plug of the mounting device for a hollow wall plate of the invention has the following remarkable effects.

(1) After inserting the rear part of the base metal of the fixture below the upper stopper of the shape latch between the guides on both sides of the insert, the screw hole is fitted to the fitting rod, and the fixture is attached to the insert. Install. Therefore, (a) the attachment can be easily and quickly attached to the insertion tool, which is convenient for the operation.

(B) The attachment to the plug-in is firm and
There is no danger of the attachment coming off.

(2) Attach the fixture to the front end of the plug-in by means of a retaining piece of a locking metal, insert the fixture into the hollow portion of the hollow wall plate, pull the handle at the position of the required mounting hole, and pull the handle. The restraint is released, and the nut of the mounting tool is pushed into the mounting hole of the hollow wall plate. Therefore, (a) the attachment can be arbitrarily and quickly and reliably attached to the required attachment hole of the hollow wall plate, which is advantageous in work.

(B) The attachment can be easily attached by operating the handle, and it is easy to handle.

(3) The structure is simple, easy and inexpensive to manufacture, and its operation is light and smooth.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional side view of a plug-in fixture for a hollow wall plate according to an embodiment of the present invention, in which a middle portion is cut away, FIG. 2 is a plan view in which a middle portion is cut out, and FIG. FIG. 4 is a side sectional view of the fixture, FIG. 5 is a plan view, FIG. 6 is an exploded bevel view, and FIGS. 7 and 8 show the fixture attached to the hollow wall plate by the insertion tool. FIG. 7 is a side sectional view in which an intermediate portion of the operation explanation for mounting is cut away, and FIG.
FIG. 8 shows the mounted state. (A) ... insertion tool, (b) ... mounting tool, (1) ...
Main rod, (2) Handle, (3) Screw hole fitting rod,
(4) Guides on both sides, (5) Connection piece, (6)
Operating rod, (7) Operating handle, (8) Mounting piece, ( 9 ) Locking metal, (10) Spring,

Claims (1)

(57) [Scope of request for utility model registration] 1. A handle is provided at a rear end of a main rod, a screw hole fitting rod is erected on a front end of the main rod, and a connecting piece of a guide metal on both sides of the screw hole fitting rod is fixed to a front portion. An operating handle is provided at the rear end of the operating rod fitted so as to be able to move back and forth, and a vertical piece of a locking metal is formed at the front end of the operating rod. A plug for a fixture for a hollow wall plate with a spring interposed therebetween.