JP2808080B2 - Membrane tension introduction structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tension-introducing structure for a membrane, and more particularly, to maintaining a good tension state by re-introducing a predetermined tension to a membrane in a suspension membrane structure or the like. The present invention relates to an improvement in a tension introducing structure of a film body that can be formed.

[0002]

2. Description of the Related Art Conventionally, as a means for introducing tension of this kind of membrane, there is, for example, an invention described in Japanese Patent Publication No. 5-66465.

That is, as shown in FIG. 6, an end portion of a film body A 'having an engaging portion 4a at an edge is formed by connecting an end portion of an elongated first plate 19 to a supporting portion (not shown). 2nd fixed to
A bolt 21 is inserted into a through hole 19a of a first plate 19, which is sandwiched by the plate 20 and is displaced in the front-rear direction with a through hole 20a formed in the second plate 20, and a nut 22 is fastened to this. It is what I wore.

When re-introducing tension to the film body A ', first remove the bolts 21 and nuts 22 and remove the first plate.
After tension is introduced to the film body A 'by turning over and setting 19, the first and second plates 19 and 20 are again tightened with bolts 21.
And a nut 22.

[0005]

However, in the above-mentioned conventional means, it is necessary to remove the first plate 19, and in addition, since the first plate 19 is formed in a long shape, the work is not performed. However, there has been a problem that this is very complicated.

Further, the film body A 'is connected to the first and second plates.
Since the first plate 19 is detached as described above, the film body A 'is in a free state, so that the film body A' is held to prevent the film body A 'from coming off. This made the series of operations more complicated.

SUMMARY OF THE INVENTION Therefore, the present invention has been made to solve the above-mentioned conventional problems, and has as its object to provide a tension introducing structure capable of easily performing a tension introducing operation to a membrane.

[0008]

That is, in order to solve the above problems, the present invention has a longitudinal direction in a tension introducing direction .
A long hole 12 is formed with a predetermined interval ,
And the long longitudinal plurality of grooves 10 in a direction crossing the axis of the holes 12 are formed elongated holding member to the top surface 9
And a stopper having a convex portion 14 on the back surface capable of fitting into the concave groove 10 of the holding body 9 and having a through hole 13a formed in the front and back directions.
13, a support member 5 having through holes 5a formed at predetermined intervals to hold the end of the film body A together with the holding body 9; In order to fit the concave groove 10 of the body 9 and the convex portion 14 of the stopper 13 and fix them, the through hole 13a of the stopper 13, the long hole 12 of the holding body 9 and the through hole 5a of the support member 5 are fixed. It is provided at an end of the film body A so as to be able to introduce tension into the film body A by moving the elongated hole 12 formed in the holding body 9 along the longitudinal direction. This is a film body tension introducing structure in which the engaging portion 4 is directly or indirectly engaged with one side surface of the holding body 9.

[0009]

Therefore, in the tension introducing structure characterized by the above-mentioned structure, when the tension is re-introduced into the film body A, first, the holding member 9 is required.
After releasing the fixed state by the fixture 18, so that the engagement state between the concave groove 10 and the convex part 14 of the stopper 13 can be released,
When the holding body 9 is pulled in the tension introducing direction, the tension is re-introduced to the film A via the engaging portion 4 of the film A which directly or indirectly engages one side surface thereof.

If the convex portion 14 of the stopper 13 is fitted into the other concave groove 10 of the holding body 9, the tension of the film body A is maintained, and then the film body A is fixed again by the fixing tool 18. .

[0011]

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

In FIGS. 1 to 3, A denotes a membrane having a plurality of through-holes 1 formed at predetermined intervals at its ends, and a rope 3 is attached to a bag-like portion 2 at the edges. An inserted engaging portion 4 is provided.

Reference numeral 5 denotes a support member made of a long I-shaped steel disposed along the end of the membrane A, and has through holes at predetermined intervals.
A long rubber plate 7 is adhered to the upper surface of the flange 6 having the hole 5a. In addition, as the support member 5, in addition to the I-shaped steel, for example, a member in which a plate is protruded along the longitudinal direction on the outer peripheral surface of the cylindrical pipe, or the like may be used. Reference numeral 8 denotes a long rubber plate interposed between the film body A and the holding body 9.

Reference numeral 9 denotes a long holding member having a plurality of concave grooves 10 arranged on the top surface along the longitudinal direction as shown in FIG.
The tension indicated direction (Fig. 3 (b) intersecting the concave groove 10
The long hole 12 is formed so as to have a longitudinal direction in the introduction direction X).
Have been. The long holes 12 are formed at the same pitch as the through holes 1, 5a, 7a, 8a formed in the film body A, the support member 5, and the rubber plates 7, 8, respectively. And one side of the outer side of the holding body 9
The surface is engaged with the engaging portion 4 of the film body A. Reference numeral 13 denotes a short stopper having a plurality of convex portions 14 formed on the back surface thereof, which can be fitted into the concave grooves 10 of the holding body 9 as shown in FIG. Have been.

Reference numeral 15 denotes a through hole 5a of the support member 5, rubber plates 7 and 8,
Through-holes 7a, 8a, through-hole 1 of membrane A, elongated hole 12 of sandwiching body 9.
And a bolt inserted into the through hole 13a of the stopper 13,
A nut 17 is fastened to the tip via a washer 16, and a fixing device 18 is formed by the bolt 15, the washer 16 and the nut 17.

The present embodiment has the above configuration.
When the tension is re-introduced into the film body A, it is performed as follows.

First, the nut 17 is moved to a position where the engagement between the concave groove 10 of the holding body 9 and the convex portion 14 of the stopper 13 can be released.
And the stopper 13 is lifted upward from the holding body 9 to move the holding body 9 in the direction of introducing tension into the film body A (arrow X in FIG. 3A).
(B), the bolt 15 moves in the elongated hole 12 of the holding body 9 as shown in FIG. Thus, the tension is re-introduced into the film body A through this.

The nut 17 is completely removed from the bolt 15 by appropriately setting the outer diameter of the engaging portion 4 of the film body A, the length of the bolt 15 and the height of the convex portion 14 of the stopper 13. By simply sliding the holding body 9 without removing it, the tension introduction work can be easily performed, and the film body A does not come off during the work.

Next, the convex portion 14 of the stopper 13 is shown in FIG.
If the holding member 9 is fitted to the concave groove 10 at a position shifted to the outside as in the above, the tension state of the film body A can be maintained without tightening the nut 17 to the bolt 15, so that the subsequent nut 17 This is extremely convenient in terms of work, such as easy fastening work.

When the film body A becomes loose again, tension may be re-introduced in the same manner.

As described above, in the tension introducing operation according to the present embodiment, the nut 17 is loosened, the holding member 9 is moved in a state where the engagement with the stopper 13 is released, and the holding member 9 after the movement is moved. The convex portion 14 of the stopper 13 is refitted into the concave groove 10,
Since the nut 17 is extremely easy to be fastened to the bolt 15, a series of operations can be efficiently performed.

Even if the nut 17 is slightly loosened, the holding member 9 is prevented from moving as long as the fitting state between the convex portion 14 of the stopper 13 and the concave groove 10 of the holding member 9 is maintained. ,
It is also possible to maintain a good tension state without affecting the tension introduced into the film body A.

In the above embodiment, the plurality of concave grooves 10 are provided on the top surface of the holding body 9 and the plurality of convex portions 14 are provided on the back surface of the stopper 13. Or the groove
It suffices that a plurality of any one of the ten is formed, and it is not always necessary that both of them are constituted by a plurality. In addition, concave groove 10 and convex part
The specific number of 14 can be arbitrarily changed according to the size of the film body A to which the tension is to be introduced.

In the above embodiment, the nut 17 and the bolt 15
Although the operation was performed while maintaining the screwed state with the nut 17, the nut 17 may be completely unscrewed from the bolt 15.

In addition, the design of each part such as the shape of the film body A can be changed freely within the range intended by the present invention.

[0026]

As described above, according to the present invention, if the fixing member is loosened and the holding member is moved until the engagement between the convex portion of the stopper and the concave portion of the holding member can be released, Bolts, because it is possible to re-introduce tension into the membrane
Compared to the conventional method in which the nut and the holding plate are completely removed to perform the tension introducing operation, a remarkable effect that a series of operations can be greatly simplified is obtained.

Further, as long as the fitting state between the convex portion of the stopper and the concave portion of the holding member is maintained, the film body does not move carelessly even if the fixture is slightly loosened. ,
In addition, a special effect that the fixing tool can greatly contribute to the convenience of fixing work is also exerted.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional side view showing one embodiment according to the present invention.

FIG. 2 is a plan view of the same.

FIGS. 3A and 3B are partially enlarged cross-sectional side views.

FIG. 4A is a plan view of the holding body, and FIG. 4B is a front view of the same.

5A is a plan view of a spacer, and FIG. 5B is a front view of the same.

FIG. 6 is an enlarged sectional view of a main part showing a conventional example.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 4 ... Engaging part 5 ... Support member 7 ... Rubber plate 8 ... Rubber plate 9 ... Nipping body 10 ... Concave groove 12 ... Long hole 13 ... Stopper 13a ...
Through-hole 14 ... convex part 18 ... fixture A ... membrane

Claims (3)

(57) [Claims] 1. A device having a longitudinal direction in a tension introducing direction.
Formed long hole (12) is drilled with a predetermined interval, and a plurality of grooves in a direction intersecting the longitudinal axis of the long hole on the top surface (12) (10) Elongated holding body formed
(9) and a convex portion (1) that can be fitted into the concave groove (10) of the holding body (9).
A stopper (13) having (4) on the back surface and a through hole (13a) formed in the front and back direction, and a predetermined interval to hold the end of the membrane (A) together with the holding member (9). A supporting member (5) having a through-hole (5a) formed therein, a groove (10) of the holding body (9) and a stopper (13) through the membrane (A). ) Convex part
(14) to stop the stopper (13)
And a fixture (18) inserted through the elongated hole (12) of the holding body (9) and the through hole (5a) of the support member (5), and the holding body (9 The longitudinal direction of the long hole (12) formed in )
An engaging portion (4) provided at an end of the film body (A) so that tension can be introduced into the film body (A) by movement along the direction is directly or indirectly attached to one side surface of the holding body (9). A tension-introducing structure for a membrane, wherein the tension-introducing mechanism is made to engage with the film. 2. It has a longitudinal direction in a tension introducing direction.
Formed long hole (12) is drilled with a predetermined interval, the groove (10) in a direction intersecting the longitudinal axis of the slot (12) is formed and the top surface Long holding body (9),
A plurality of convex portions (14) that can be fitted into the concave grooves (10) of the holding body (9).
A stopper (13) having a back surface and a through hole (13a) formed in a front-to-back direction, and a predetermined interval for holding the end of the membrane (A) together with the holding body (9). A support member (5) having a through hole (5a) formed therein, and a groove (10) of the holding member (9) and a stopper (13) formed on the support member (5) via a membrane (A). Convex part (1
4), the through hole (13a) of the stopper (13), the long hole (12) of the holding body (9), and the support member to fix the two.
(5) and a fixture (18) inserted through the through hole (5a),
In addition, a hook provided at an end of the film body (A) so that tension can be introduced into the film body (A) by moving the elongated hole (12) formed in the holding body (9) along the longitudinal direction. A tension introduction structure for a membrane, wherein the joining portion (4) is directly or indirectly engaged with one side surface of the holding body (9). 3. A rubber plate is interposed between at least one of the support member (5) and the membrane (A) or between the membrane (A) and the holding body (9). 3. The tension introducing structure for a membrane according to 2.