JPH07119313A - Fitment for mounting net - Google Patents

Abstract

PURPOSE:To provide a safety net which is designed to prevent the fall and the drop of a worker and a material from eaves during building of a housing and be stretched to and recovered from a proper position in a short time by utilizing a joint between the outer wall boards of the housing under construction. CONSTITUTION:An insertion lever 3 with a lock jaws part 1 insertable in a joint 2 formed between frameworks 12 and 12 consists of a lever body insertable between the joints 2. A fit-in hole part 4 is arranged to the other end part of the insertion lever 3 and a positioning protrusion 5 inserted in the joint 2 to decide the lock position of the lock jaws part 1 is formed between the lock jaws part 1 of the insertion lever 3 and the fit-in hole part 4. The lateral protrusion direction of the lock jaws part of the lock jaws part 1 is caused to cross the lateral protrusion direction of the positioning protrusion 5. An energizing spring 7 through the force of which the positioning protrusion 5 is pressed in the direction of the joint 2 is located between the positioning protrusion 5 and the fit-in hole part 4. Further, the tip of the insertion part of the lock jaws part 1 forms an arrow-form protrusion. A spring support 6 of the energizing spring 7 is formed integrally with the positioning protrusion 5. The fit-in hole part 4 is additionally functioned as the outer spring support of the energizing spring 7. Further, the fit-in hole part 4 forms two glasses-form holes 4a and 4b.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention utilizes a safety net for preventing the fall and fall of workers and materials from the eaves or safety work walls during the construction of a house by using the joints of the outer wall boards of the house under construction. It is designed so that it can be installed and collected at an appropriate position in a short time.

[0002]

2. Description of the Related Art Conventionally, there has been known a technique for simply supporting a safety net on an outer wall for preventing workers and materials from falling and falling from the eaves during the construction of a house. In the prior art, a net mounting metal fitting as shown in FIG. 8 was used. That is, conventionally, when a safety net N is stretched on the eaves outside the wall surface during construction so that workers and materials do not fall or drop, first, between the frames 12 and 12, and the outer wall panel. Joint space 2 between 11 and 11
The auxiliary metal fitting 20 was inserted from the inside. Then, in order to prevent the auxiliary metal fitting 20 from falling or coming off, a hole formed in the locking pin 21 for inserting a bolt into each part of the frame assembly 12 and 12, and the auxiliary metal fitting. The auxiliary metal fitting 20 was locked so that the auxiliary metal fitting 20 would not come off.

The locking pin 21 is connected to the auxiliary metal fitting 20 through a wire 22 so that only the locking pin 21 will not be lost. Also auxiliary metal 2
A locking bent portion 25 is formed at the inner end of 0,
The locking bent portion 25 has such a width that it does not come out between the joints 2 of the shaft assembly 12 and 12, so that the auxiliary metal fitting 20 is also prevented from coming out to the outside. The hook metal fitting 23 is inserted into a portion of the auxiliary metal fitting 20 protruding from the outer wall panel 11, and the safety net N is suspended by the hook metal fitting 23.

[0004]

However, the above-mentioned prior art has the following drawbacks. First, the auxiliary metal fitting 20 is inserted from the inside, and the safety net N is fixed to the outer side. Therefore, in order to remove the safety net N, first, from the auxiliary metal fitting 20 to the hook locking metal fitting 2 on the outside of the house under construction.
It was troublesome to remove 3 and remove the locking pin 21 from the shaft assembly 12/12 inside and to remove the auxiliary metal fitting 20 from the joint 2 of the shaft assembly 12/12. Also, when the safety net N is stretched, it is necessary to work inside and outside the wall,
It took labor and time for the operator to install and remove the net mounting bracket. Also, the frame 12
Since the 12 bolt holes are used, the position of the hole is not in the upper part of the shaft assembly 12 ・ 12. Therefore, as shown in FIG. There was a problem that it could not be installed. Further, when the auxiliary metal fitting 20 is locked by the locking pin 21, it cannot be confirmed from the outside whether or not the locking pin 21 is fitted in the hole of the auxiliary metal fitting 20, and the safety net N is anxious. It was necessary to multiply by. The present invention eliminates the above-mentioned problems, and as shown in FIG. 7, enables the net mounting metal fitting to be mounted at an optimum position for stretching the safety net N.

[0005]

The problems to be solved by the present invention are as described above. Next, the means for solving the problems will be described. That is, the insertion rod 3 with the locking jaw 1 that can be inserted into the joint 2 formed between the shafts 12 and 12.
Is formed of a rod body that can be inserted between the joints 2, and the other end portion of the insertion rod 3 is provided with fitting hole portions 4a and 4b into which the hook locking metal fitting 23 is fitted. 3, a positioning projection 5 for determining the locking position of the locking jaw 1 is provided between the locking jaw 1 and the fitting hole portion 4, and the positioning projection 5 can be fitted between the joints 2. A biasing spring 7 for pressing the positioning protrusion 5 toward the joint 2 is interposed between the positioning protrusion 5 and the fitting hole portion 4.

According to the first aspect of the invention, the biasing spring 7 for pressing the positioning protrusion 5 toward the joint 2 is interposed between the positioning protrusion 5 and the fitting hole portion 4.

Further, in the structure of claim 1, the tip of the insertion portion of the locking jaw portion 1 is a sagittal projection.

According to the second aspect of the present invention, the spring protrusion 6 of the biasing spring 7 is integrally formed with the positioning protrusion 5.

Further, in the structure of claim 2, the fitting hole portion 4 is also used as a spring receiver on the outside of the biasing spring 7.

Further, in the structure of claim 2, the fitting hole portion 4 is formed into two glasses-like holes 4a and 4b arranged side by side.

[0011]

[Operation] Next, the operation will be described. As shown in FIG.
A safety net N is provided between the safe work wall A and the wall surface of the house under construction so that workers and materials do not fall from the roof. Conventionally, as described above, the auxiliary metal fitting 20 is inserted from the inner side to the outer side, and the hook locking metal fitting 23 such as a carabiner is locked to the fitting hole portion on the outer side. Was necessary. In the present invention, it is possible to lock the spring receiver 6 so that it cannot be pulled out to the outside simply by inserting the net mounting metal fitting from the outside and turning the spring receiver 6 by 90 degrees.

As shown in FIG. 3, the outer wall panel 1
Seams 2 between 1.1 and 11 and seams 2 of framework 12.12.
The portion of the locking jaw 1 of the insertion rod 3 is inserted aiming at the gap. Between the outer wall panel 11 and the frame 12, 12.
In many cases, a sealing sheet or the like is stretched on the inner side of the shaft assembly 12, so that the sealing sheet is pierced by the sagittal portion at the tip of the locking jaw 1. Then, at the position where the locking jaw 1 projects beyond the shaft assembly 12,
As shown in FIG. 4, the front end of the net mounting metal fitting is rotated 90 degrees while holding the fitting hole 4 and the spring receiver 6.

When the engaging jaw 1 is rotated by 90 degrees from the inserted state, the jaw is engaged with the inside of the joint 2 and cannot be pulled out. However, if it is left as it is, when it is rotated 90 degrees again due to vibration or the like, the portion of the locking jaw portion 1 comes out of the joint 2, so that the positioning projection 5 is provided as a structure for stopping at the locking position to prevent this. It is being done. The positioning protrusions 5 are configured to have a width that can be inserted between the joints 2 between the outer wall panels 11 and 11 and the joints 2 between the shaft sets 12 and 12.

The biasing spring 7 pushes the positioning projection 5 in order to prevent the positioning projection 5 from slipping off in the state where the positioning projection 5 is inserted into the joint 2. The spring receiver 6 of the biasing spring 7 is formed integrally with the positioning protrusion 5. Further, the spring receiver on the outside of the urging spring 7 is fitted into the fitting hole 4
Part is also used. Insert the part of the locking jaw 1,
6'in which the spring receiver 6 is engaged with the stepped portion 3a of the insertion rod 3
In this state, the locking jaw 1 is located beyond the shaft assembly 12 and 12 and protrudes to a rotatable position. Therefore, in this position, the insertion rod 3 is rotated 90 degrees later, and the positioning projection A state in which the joint 5 is fitted to the joint 2 is shown in FIG.

When removing the net mounting bracket from the used state, the work is performed in the reverse direction of the above-mentioned setting. However, as shown in FIG. 5, the spring protrusion 6 is provided with the positioning projection 5. Since the handle portion 16 for pulling out is configured, when the finger is applied to the handle portion 16 and pulled against the biasing spring 7, the positioning protrusion 5 is removed from between the joint 2 and the outer wall panel 11. It comes off. Then, when the positioning protrusion 5 is disengaged and rotated 90 degrees to the position where it is first inserted, the state in which the locking jaw 1 is locked inside the shaft assembly 12 can be released. In this state, the locking jaw 1 and the insertion rod 3 can be extracted and removed. The vertical movement blocking force of the net mounting bracket is
It is also used by the bolts and joints that are installed between the joints 2 of the frame assembly 12.

[0016]

EXAMPLES Next, examples will be described. FIG. 1 is an overall perspective view of the net mounting metal fitting of the present invention, FIG. 2 is a drawing of the same net mounting metal fitting of the present invention, and FIG. 3 is the same as the net mounting metal fitting inserted between the shafts 12 and 12 for positioning. FIG. 4 is a perspective view in which the protrusion 5 is fitted to bring the locking jaw 1 into an engaged state. FIG. 4 shows that after inserting the locking jaw 1, the insertion rod 3 is rotated by 90 degrees and the positioning protrusion 5 is jointed. 2 is a drawing showing a state in which it is locked to FIG. 2, FIG. 5 is a drawing showing a procedure for removing the metal fitting for netting, and FIG. 6 is an insertion rod 3
And FIG. 7 is a drawing showing the relative positions of the spring receiver 6 and the positioning protrusions 5, FIG. 7 is a drawing showing the support state of the safety net N by the net mounting metal fitting of the present invention, and FIG. 8 is the operation of the conventional net mounting metal fitting. FIG. 9 is a view showing a supporting state of the safety net N by the conventional net mounting metal fitting.

1 and 2, the structure of the net mounting metal fitting of the present invention will be described. The locking jaw 1 and the insertion rod 3 are formed of a thick plate, and the thickness of the plates forming the insertion rod 3 and the locking jaw 1 is smaller than the gap between the joints 2, The insertion rod 3 has such a thickness that it can rotate 90 degrees inside the ground 2. The locking jaw 1 at the tip of the insertion rod 3 is formed in a sagittal shape, and is capable of piercing a paper or cloth portion such as a hermetic packing provided between the shaft assembly 12 and the outer wall panel 11. Is possible. The jaw of the locking jaw portion 1 has a structure capable of maintaining strength without bending when the safety net N is suspended.

At the outer end of the insertion rod 3, fitting holes 4a and 4b are formed in the shape of two glasses-like holes.
The fitting holes 4a and 4b are formed into two eyeglass-shaped holes because two sets of hook locking metal fittings 23 for fastening the safety net N and for connecting the wall are often fastened to the portions. Is. The fitting hole portion 4a may be one hole. A positioning protrusion 5 is slidably interposed between the locking jaw 1 and the fitting hole 4. The positioning protrusion 5 can be inserted in a fixed direction in a portion of the joint 2 formed by the left and right shaft sets 12.

The directions of the left and right projections for inserting the positioning projections 5 into the joints 2 and the leftward and rightward projections for engaging the locking jaws 1 are set at 90 ° offset.
Then, the spring receiver 6 is formed integrally with the positioning protrusion 5,
An urging spring 7 is pressed and urged to the rear side of the spring receiver 6. The spring receiver on the outer side of the biasing spring 7 is a fitting hole portion 4a.
The portion 4b is also used. As shown in FIG. 6, a long hole 6d is formed in the spring receiver 6, and the long hole 6d is formed.
Further, the insertion rod 3 is fitted in the engaged state. Then, a part of the spring receiver 6 constitutes a positioning protrusion 5 that projects two inward. Therefore, when the spring receiver 6 is rotated, the insertion rod 3
The positioning protrusion 5 and the positioning protrusion 5 rotate 90 degrees at the same time.

Although the spring receiver 6 contacts the outer surface of the shaft assembly 12, the cushioning elastic plate 8 is interposed so as not to generate vibration or noise in this state. Since the buffer elastic plate 8 is interposed between the spring receiver 6 and the outer wall panel 11, the outer wall panel 11 and the shaft assembly 12.1.
The contact state with 2 can be softened to prevent vibration and noise.

[0021]

Since the present invention is constructed as described above, it has the following effects. That is, as in claim 1,
An insertion rod 3 with a locking jaw 1 that can be inserted into the joint 2 formed between the shaft sets 12 and 12 is configured by a rod body that can be inserted between the joints 2, and the other of the insertion rods 3 A fitting hole portion 4 is provided at the end portion, and the fitting position of the locking jaw portion 1 is set by inserting the fitting hole portion 4 into the joint 2 between the locking jaw portion 1 and the fitting hole portion 4 of the insertion rod 3. Since the positioning projections 5 for determining are provided and the left and right projecting directions of the locking jaws of the locking jaws 1 and the left and right projecting directions of the positioning projections 5 are orthogonal to each other, the net mounting bracket can be mounted as in the conventional case. It is not necessary to perform work from the inside in order to fix the rod to the shaft assembly 12, and the metal fitting for net attachment can be fixed only by the work from the outside. As a result, the net mounting bracket can be attached and detached with a simple operation. Further, since it is not necessary to insert the locking pin 21 into the bolt hole provided in the shaft assembly 12/12, if there is a bolt or a connecting body between the joints 2 of the shaft assembly 12/12, the upper and lower parts can be removed. Since the metal fitting for netting can be fixed at any position, the mounting position of the safety net N can be made high as shown in FIG.

As described in claim 2, since the biasing spring 7 for pressing the positioning protrusion 5 toward the joint 2 is interposed between the positioning protrusion 5 and the fitting hole portion 4, the locking jaw portion 1 is provided. It is possible to completely eliminate the mistake that the positioning projections 5 for fixing the locking position of (3) come out due to vibration, and the locking jaws 1 come to a position where they can come out, and the safety net N falls.

Since the tip of the insertion portion of the locking jaw portion 1 is a sagittal projection as in claim 3, the outer wall panel 11 and the shaft assembly 12.1.
It is possible to break through a sealing sheet, a heat insulating sheet and the like stretched between the two and the net mounting metal fittings can be attached by one operation.

Since the spring projection 6 of the biasing spring 7 is formed integrally with the positioning projection 5 as in claim 4, it is not necessary to provide a spring receptacle for the biasing spring 7 as a separate body, and it is simple. It was possible to construct a net mounting bracket.

Since the fitting hole 4 is also used as the spring receiver on the outside of the biasing spring 7, it is not necessary to provide the spring receiver on the outside of the biasing spring 7, and the net mounting metal fitting is used. It was possible to have a simple structure.

According to the sixth aspect, since the fitting hole portion 4 is the eyeglass-shaped two holes 4a and 4b arranged side by side, the hook engaging fitting 23 of the safety net N and the safety work wall A are provided. The fitting holes 4a and 4b enable simultaneous locking.

[Brief description of drawings]

FIG. 1 is an overall perspective view of a net mounting bracket of the present invention.

FIG. 2 is a drawing of a metal fitting for net according to the present invention.

FIG. 3 is a perspective view in which a net mounting bracket is likewise inserted between the shaft sets 12 and 12 and the positioning projection 5 is fitted to bring the locking jaw 1 into an engaged state.

FIG. 4 is a view showing a state in which the insertion rod 3 is rotated 90 degrees after the locking jaw 1 is inserted, and the positioning projection 5 is locked to the joint 2.

FIG. 5 is a drawing showing a procedure for removing the net mounting bracket.

FIG. 6 is a drawing showing the relational positions of an insertion rod 3, a spring receiver 6, and a positioning protrusion 5.

FIG. 7 is a safety net N using the net mounting metal fitting of the present invention.
The drawing which shows the support state of.

FIG. 8 is a drawing showing the operation of a conventional net mounting bracket.

FIG. 9 is a view showing a supporting state of a safety net N by a conventional net mounting bracket.

[Explanation of symbols]

 A Safety work wall N Safety net 1 Locking jaw 2 Joint 11 Outer wall panel 12 Frame

Claims (6)

[Claims] 1. An insertion rod (3) having a locking jaw (1) that can be inserted into a joint (2) formed between shafts (12, 12) is provided with a joint (2).
And a fitting hole portion 4 is provided at the other end of the insertion rod 3, and between the locking jaw portion 1 and the fitting hole portion 4 of the insertion rod 3, A positioning projection 5 is provided which is inserted into the joint 2 to determine the locking position of the locking jaw 1, and the locking jaw of the locking jaw 1 is projected to the left and right, and the positioning projection 5 is projected to the left and right. Net mounting metal fittings characterized by being orthogonal to the direction. 2. A net comprising a biasing spring 7 for pressing the positioning projection 5 toward the joint 2 between the positioning projection 5 and the fitting hole portion 4 according to claim 1. Mounting bracket. 3. The net mounting metal fitting according to claim 1, wherein the tip of the insertion portion of the locking jaw portion 1 is a sagittal projection. 4. The net fitting according to claim 2, wherein the positioning projection 5 and the spring receiver 6 of the biasing spring 7 are integrally formed. 5. The net mounting metal fitting according to claim 2, wherein the fitting hole portion 4 is also used as a spring receiver outside the biasing spring 7. 6. The net mounting metal fitting according to claim 2, wherein the fitting hole portions 4 are arranged side by side on the left and right sides of a pair of glasses 4a.
-A metal fitting for net installation characterized by being 4b.