JPH024803B2 - - Google Patents

Description

[Detailed Description of the Invention] <<Industrial Application Field>> The present invention is useful, for example, when fixing a plurality of fixed plates in a stacked state, or when attaching hooks or other desired members to one or more mounting plates. The present invention relates to a multipurpose fixing device suitable for use in fixing.

≪Prior Art≫ Conventionally, bolts and nuts have been used as fixing devices when, for example, two or more plates are removably fixed in a piled state, or when hooks or other objects are detachably fixed to a mounting plate. Alternatively, a driving member or the like is generally known.

However, the above-mentioned bolt has the problem of poor workability because it is necessary to provide a screw hole in one of the members to be fixed, and the bolt must be screwed into the screw hole by hand. or,
According to bolts and nuts, they cannot be used in places where the back side of the fixed part is covered with other objects and cannot be accessed, and with driven parts, if the fixed part is removed and then fixed again. for,
There are problems such as weakening of the fixing force, making it impossible to expect a sturdy fixation.

<<Problems to be Solved by the Invention>> The present invention provides a new fixing device in order to solve the above-mentioned problems. It is sufficient to provide a mounting hole instead of a screw hole in the mating member, and it can be fixed only from one side. The purpose of this is to enable easy attachment and detachment by the following operations, and to be able to quickly and firmly fix the mating member, whether it is thick or thin.

<<Means for Solving the Problems>> In order to achieve the intended purpose, the fixing device according to the present invention is removably and non-rotatably fitted into a mounting hole that is long in the uniaxial direction of the mounting plate. In order to make this possible, the mounting seat has a pair of fitting pieces standing up from both ends in the long axis direction, and a mounting seat that is detachable from the above mounting hole and is longer in one axis direction than the short axis dimension of the mounting hole. , and the lower surface of the tightening plate has a width that allows it to fit between the two fitting pieces of the mounting seat, and the inner edge of the mounting hole in the width direction hits either of the fitting pieces. and a tightening member provided with a protruding portion that contacts the mounting seat, and the tightening member is threaded so that the tightening member can rotate together with the vertical threaded rod portion of the operating member that rotatably supports the mounting seat. It is characterized by being combined.

<<Embodiment>> Hereinafter, embodiments of the present invention will be described in detail based on the drawings.As shown in FIGS. 1 to 8, a mounting seat 1
, a tightening member 2 , and an operating member 3 .

The mounting seat 1 has a mounting hole 5 formed through a through hole so as to match the two mounting plates 4 and 4', which are mating members, in a long direction in the uniaxial direction.
Two fitting pieces 7, 7', which can be freely attached and detached from the bottom side of 4' and are fitted in a non-rotating manner, are attached to the mounting seat 1.
The main body 6 of the main body 6 is provided so as to stand upright from both ends in the longitudinal direction.

Here, the biaxial dimensions of the main body 6 are appropriately larger than the biaxial dimensions of the mounting hole 5, and the fitting pieces 7, 7' can be fitted into the mounting hole 5 as described above. When put together, they form supporting parts 6a, 6a that support the lower surface of the mounting plate 4'.

On the other hand, the tightening member 2 includes a tightening plate portion 2 that is locked on the upper surface of the mounting plate 4 in a stacked state as described below.
a, and a projecting portion 2b that can come into contact with the inner edge 5a5b of the mounting hole 5 in the short axis direction.

Here, the tightening plate portion 2a has an appropriate thickness and is long in the uniaxial direction so that it can be inserted into and removed from the mounting hole 5, and its length is equal to that of the two fitting pieces 7 and 7'. It is provided approximately equal to the dimension between both outer surfaces, and the width in the direction perpendicular to this is set to a size that allows it to fit between the two fitting pieces 7, 7'.

Further, the protruding portion 2b is located on the lower surface of the tightening plate portion 2a, and when it is fitted into the mounting hole 5 as shown in FIG. They are provided on the edge 5a, and in such a manner that when rotated approximately 90 degrees counterclockwise from this state in FIG. 2A, they come into contact with the inner opening edge 5b in the short axis direction, as shown in FIG. 3A. .

Here, the protruding portion 2b is connected to the fitting pieces 7, 7'.
Although only one is provided in the illustrated example, another may be provided at a symmetrical position.

Next, the operating member 3 consists of a vertical threaded rod part 3a and a knob 3b provided at the lower end thereof. A desired member can be used as needed.

The operating member 3 has its vertical threaded rod portion 3a rotatably inserted from below into a hole 8 penetrating the center of the main body 6 of the mounting seat 1, and the vertical threaded rod portion 3a extends from the mounting seat 1. 3a, the above-mentioned tightening member 2 is screwed in a screwable manner, and the upper end of the vertical threaded rod portion 3a is prevented from coming out by caulking means, etc., thereby attaching the operating member 3 to the tightening member 2. It has been integrated.

Also, here, in the state where the fastening member 2 is fitted into the mounting hole 5 as shown in each row of FIG. 2 and FIG. A suitable tightening allowance a is provided in between.

When using the structure described above to tighten and fix the two mounting plates 4, 4' in a stacked state as shown in the example shown in the figure, the mounting hole 5, which is long in the uniaxial direction and drilled in advance, is Then, the fitting pieces 7, 7' of the mounting seat 1 of the device are fitted.

At this time, by aligning the longitudinal direction of the tightening member 2 in the direction of the above-mentioned two fitting pieces 7 and 7',
The tightening member 2 projects upwardly from the mounting hole 5 as shown in FIG. 2B.

When the operating member 3 is rotated counterclockwise by holding the knob 3b from the state shown in FIG.
At a position rotated approximately 90 degrees, the protrusion 2b of the tightening member 2 touches the inner edge 5 of the mounting hole 5 in the short axis direction.
b, the rotation stops, and in this state the tightening plate portion 2a tightens the fitting pieces 7, 7'.
from the upper position to the position where it is placed on the mounting plate 4 as shown in FIGS. 3A and 3B.

Next, when the vertical screw portion 3a is rotated counterclockwise by the knob 3b, the tightening member 2, whose rotation is prevented by the protruding portion 2b, is rotated to the vertical screw portion 3a.
is screwed downward and the upper surface of the mounting plate 4 is crimped downward with the tightening plate 2a, so that the lower surface of the other mounting plate 4' is supported by the support parts 6a, 6a of the main body 6. By this, both mounting plates 4, 4'
are crimped and fixed as shown in Fig. 4 A and B and Fig. 5 A and B, respectively.

Next, when the operating member 3 is rotated in the opposite clockwise direction in the figure using the knob 3b from the above-mentioned fixed state, the tightening member located between the two fitting pieces 7 and 7' of the mounting seat 1 is rotated. 2 is a position in which the operating member 3 has been slightly rotated in the clockwise direction, and as shown in FIG. If you continue to do so, the vertical screw part 3a
Since only the locking member 2 rotates, the tightening member 2 moves upward in the same position and is disengaged from the fitting pieces 7, 7' as shown in FIG.

Next, when the operating member 3 is further rotated, the tightening member 2 is also rotated together with the vertical threaded rod portion 3a, and the protruding portion 2
b comes into contact with the inner edge 5a of the mounting hole 5 in the short axis direction, and the rotation stops. Now, since the tightening member 2 is oriented in the same direction as the mounting seat 1, the device can be removed from the mounting hole 5 by pulling it downward.

FIG. 9 shows a modification in which a hook 3c is used instead of the knob 3b of the operating member 3, and a single mounting plate is used as the mating member.

FIGS. 10A and 10B to FIG. 12 show other embodiments of the present invention.

In the above embodiment, the tightening member 2 has two protrusions 2.
b, 2b are provided at symmetrical positions on both sides of the lower surface of the clamping plate portion 2a, and the protruding portions 2b, 2b are formed so as to abut on the fitting pieces 7, 7' of the mounting seat 1, respectively.

Further, the operating member 3 has a plus grooved head 3d in place of the aforementioned knob 3b.

<<Effects of the Invention>> Since the fixing device according to the present invention is configured as explained above, the mounting plates 4, 4' which are the mating members
After fitting into the mounting hole 5 of, if the operating member 3 is rotated,
The tightening member 2 is screwed to the member 3 so as to be able to rotate integrally with the member 3, and its protruding portion 2b is connected to the inner edges 5a, 5b of the mounting hole 5 in the short axis direction or the mounting seat 1.
The mating pieces 7, 7' of the mating member come into contact with each other and the rotation is prevented, and as a result, it moves upward or downward to press against the mounting plate 4, or to release the press-contact. It is only necessary to provide mounting holes 5 that are long in the uniaxial direction on the mounting plates 4, 4', and
4' can be fixed or unfixed to the mating member by simply rotating the operating member 3, and it is possible to do so by simply rotating the operating member 3. It is possible to fix a member even in a part where it is not possible to insert a member, and it is possible to make strong fixation possible regardless of whether there is a single partner member or a plurality of mating members, and regardless of the size of their wall thickness. Can be done.

[Brief explanation of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the fixing device according to the present invention, A, B in FIG. 2, A, B in FIG.
B, A and B in Fig. 4, A and B in Fig. 5 are plan views and vertical side views sequentially showing the fixed operation states of the same embodiment, and A and B in Fig. 6 are the same embodiment. FIG. 7 is a vertical side view showing the initial operation when releasing fixation in the same embodiment, FIG. 8 is a longitudinal side view showing the unlocked state in the same embodiment, and FIG. 9 is a plan view showing a state in which the fixing device is aligned with the mounting hole, FIG. 9 is a vertical sectional side view showing a modified example of the fixing device in a used state, and FIG.
B, A and B of FIG. 11 are other embodiments of the same fixing device, and FIG. 12 is the same embodiment. It is a vertical side view showing a fixed state in. DESCRIPTION OF SYMBOLS 1... Mounting seat, 2... Tightening member, 2a... Tightening plate part, 2b... Projection part, 3... Operation member, 3a...
...Vertical threaded rod part, 4, 4'...Mounting plate, 5...Mounting hole, 5a, 5b...Inner edge in short axis direction, 7,7'...
...Mating piece.

Claims (1)

[Claims] 1.In order to be able to be removably and non-rotatably fitted into the mounting hole that is long in the uniaxial direction of the mounting plate,
a mounting seat with a pair of fitting pieces standing up from both ends in the long axis direction;
And, the lower surface of the tightening plate has a width that allows it to fit between the two fitting pieces of the mounting seat, and the inner edge of the mounting hole in the width direction comes into contact with either of the fitting pieces. and a tightening member provided with a protruding portion, the tightening member being screwed so as to be able to rotate together with the vertical threaded rod portion of the operating member that rotatably supports the mounting seat. A fixing device characterized by: