JPS5939606B2 - Connecting fastener - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a connection system in which a large number of fasteners such as nails, self-adjusting drilling screws, driving screws, tapping screws, bolts, pins, etc. are connected in parallel at predetermined intervals by a connecting member. The present invention relates to fasteners, and particularly to connection fasteners that can be wound into a coil.

Conventionally, various types of connecting screws have been proposed that connect a large number of screws in parallel at predetermined intervals and can be wound into a coil.

Among them, for example, a connecting screw 50 as shown in FIG.
There is.

This connecting screw 50 has a large number of U-shaped parts, each consisting of a side piece 61 and an upper piece 62 and a lower piece 63 that continue perpendicularly from the upper and lower edges 61 a and 61 b of the side piece 61 and face each other in parallel. The driving screw holders 70 , 70 , . . . are attached to each side piece 61 , 61 .

The upper pieces 62 , 62 , . . . and the lower pieces 63 , 63 , .・・・
・Drive screws 80, 80. A drive screw holding part that holds ... upright.

64.65. A connecting member 51 formed by notching...
Accordingly, each of the holding parts 64, 65 . ... opening 6
4a, 65a to drive screws 80, 80. ... by fitting into the holding parts 64, 65, ..., these driving screws 80, 80, . ... are configured to be connected in parallel at predetermined intervals.

By the way, in the connection driving screw 50 having the above structure, when driving, that is, as shown in FIG. When the screw holder 7
The upper piece 62 constituting 0 is bent downward at the connecting part 71 as a bending part by the impact force of the driver.

In this case, the driving screw 80 is tilted along with the bending operation of the upper piece 62 before the head 81 side is separated from the driving screw holding portion 64 of the upper piece 62.

When the impact operation (lowering) of the driver 52 further progresses, the lower piece 63 constituting the holding body 70 also moves to the connecting portion 72.
Even if the head 81 side of the drive screw 80 is separated from the drive screw holding portion 64 of the upper piece 62 as shown in FIG. 2B, the drive screw 80 torso 82
The side does not separate from the drive screw holding portion 65 of the lower piece 63 and maintains the inclined state of the drive screw 80.

Therefore, the driving screw 80 is driven into the material to be screwed in an inclined state, and there is a possibility that the driving screw 80 may be bent.

Further, even if the driving screw 80 is driven into the material to be screwed without bending, the driving screw 80 will be driven into the material to be screwed in an inclined state, and the subsequent process, that is, the screwing In the setting process, there was a drawback that the driving screw 80 could not be screwed in in a predetermined screwing direction (vertical direction).

Therefore, the present invention was proposed in order to eliminate the above-mentioned drawbacks of the conventional technology, and it is possible to wind the fastener into a coil like the conventional method, and when removing the fastener from the fastener holder, the fastener can be kept in an upright state. The purpose is to be able to maintain this until the end of withdrawal.

The gist of the present invention is that a pair of side pieces and an upper and lower piece face each other in parallel to form a rectangular frame shape, and the upper and lower pieces have a large number of hollow holes having fastener insertion holes for holding fasteners upright. A connecting member is integrally formed of a flexible material by connecting a series of fastener holders arranged in a line parallel to the axis of the fastener, and A slit is formed in the connecting member to allow bending in at least one direction, and the fasteners inserted into the fastener insertion holes are connected and held in parallel at predetermined intervals and wound into a coil. It is characterized by the following.

Hereinafter, preferred embodiments of the present invention will be specifically described based on the drawings.

Note that the following embodiments are applied to a driving screw, which is an example of a fastener.

3 to 8 are diagrams showing a first embodiment of the present invention.

As shown in FIGS. 3 to 7, this connecting screw 1
The connecting member 2 that constitutes the has a pair of rectangular side pieces 3 and 4 facing each other in parallel, and upper and lower edges 3a t 3b t 4a of each of these side pieces 3 and 4.

A large number of hollow (quadrangular frame-shaped) driving screws made of a flexible material such as synthetic resin and having a rectangular upper piece 5 and a lower piece 6 facing each other in parallel. Holder 7, 7. ... on one side piece 3.3. They are connected in series by integrally connecting them at the side edges 3 c + 3 c t . . . .

In the connecting member 2, the adjacent holding bodies 7, 7. ...There are slits 8, 8,...
are formed, and each of these holding bodies 7, 7 . . . . are flexible connecting portions 9, 9. The slits 8, 8 . ... can be freely displaced in the direction of opening.

In addition, this Surin) 8, 8. ...is the above connection part 9.9
．． ... If it is formed by penetrating into the holder 7, 7. ...The displacement operation becomes easier.

Each of the above-mentioned holders 7, 7. ...Circular drive screw insertion holes 11° and 12 for holding the lower neck portion 10a and body portion 10b of the drive screw 10 are coaxially drilled in the center portions of the upper piece 5 and the lower piece 6. There is.

In addition, the inner diameter of each of these insertion holes 11 and 12 is the same as the drive screw 1.
The diameter is set to be slightly smaller than the diameter of the body portion 10b of 0, and when the drive screw 10 is inserted into the insertion hole 11.12, the inner peripheral wall surface of the hole 11.12 Lower neck 1
The screw 10 is pressed against the wall surfaces of the body 10a and the body 10b to hold the screw 10 upright.

Further, the upper piece 5 and the lower piece 6 each have the above-mentioned insertion holes 11.
13.13. ... is formed.

Each of these slits 13, 13. By forming tongues 14, 14, . . . . are formed at predetermined intervals, and each of these tongue pieces 14° 14, . . .
The driving screw 10 inserted therein is held upright in a more stable state.

In addition, in this embodiment, each of the slits 13, 1
3. . . . extends diagonally on the upper and lower pieces 5, 6, and these slits face the insertion holes 11, 12 and extend in the horizontal and vertical directions of the upper and lower pieces 5, 6. Also, the number of each slit is not limited.

Furthermore, the above-mentioned slits may not be formed, and any structure that functions to hold the driving screw 10 upright may be used.

On the other hand, the driving screw holder 7, 7. One side piece 3, 3. . . . is a driving screw feeding pawl installed between the magazine and the nose of the impact tool when driving the connecting driving screw 1 into the material to be screwed using an impact tool such as a driving machine. The feed pawl engagement windows 15, 15 .・
... has been established.

Note that this window portion 15, 15. ... is each side piece 3,
3. ... connecting portions 9, 9. . . . does not affect the feeding operation of the connecting screw 1 in any way.

The connecting member 2 having the above-mentioned configuration has the insertion holes 11 and 12, the slits 13,
The slit 8 and the window portion 15 for engaging the feeding claw are pressed out in advance, and the connecting portions 3A and 3 of the above-mentioned respective months 3°4.5 and 6 are pressed out in advance.
B, 4A, 4B, each of the moons 3, 4, 5, 6 is folded back in one direction to form a box shape, and the overlapping parts are heat welded to form each holder T, 7. ...
can be formed.

Further, the connecting member 2 can also be formed by extrusion molding, and in this case, the slits 8, 8°, . . . are formed after extrusion molding.

In addition, when using this extrusion molding, the wall thickness of the upper and lower pieces 5 and 6 can be made thinner than the wall thickness of both side pieces 3 and 4, so when the drive screw 10 is separated from the holder 7 (the holder 7)) against the upper and lower pieces 5, 6 becomes smaller, and the side pieces 3, 6 against the upper and lower pieces 5, 6 when hitting
4 is also strongly supported, and the drive screw 10 can be easily separated from the holder 7.

Each holder 7゜7, of the connecting member 2 configured in this way.
...drive screws 10, 10. By loading these respective driving screws 10, 10. ... are maintained in an upright position and connected in parallel at a predetermined interval.

The connecting screw 1 connected and configured in this manner can be wound into a coil shape as shown in FIG. 4, and can be loaded into a cylindrical magazine of an impact tool.

Further, each of the driving screws 10 of the connecting driving screw 1 is fed (3) into the nose of the impact tool together with the driving screw holder 7 by the driving screw feeding pawl, as shown in FIG. 8A. The screw 1 is driven by the driver 16 that descends inside the nose.
When the head 10c of the drive screw holder 7 is hit, the impact force (downward pressing force) acting on the upper piece 5 of the drive screw holder 7 is applied to the side pieces facing each other in parallel that support the upper piece 5. 3 and 4 are applied equally in the longitudinal direction, the rigidity is strong, and the upper piece 5 will not bend toward either side wall piece due to this impact force.

Therefore, the driving screw 10 struck by the driver 16 is inserted into the body portion 10b and the tongue pieces 14, 14 of the lower piece 6.・・・
The head 10c is held upright by the engagement with the tongues 14, 14. ... is pushed back and is launched downward.

Then, when the head 10c of the driving screw 10 hits the lower piece 6 as shown in FIG. ...Similarly, the tongue piece 14,1 of the lower piece 6
4. ...is pushed away and launched further downward.

In this way, since the driving screw 10 can be separated from the driving screw holder 7 while being held upright by the driving screw holder 7, the driving screw 10 can always be kept in contact with the material to be screwed. It can be driven vertically.

Next, a second embodiment of the present invention will be described with reference to FIG.

As shown in FIG. 9, the connecting member 21 constituting the connecting screw 20 includes a pair of side pieces 22.23 facing each other in parallel, upper and lower edges 22a, 22b of each side piece 22.23,
A large number of hollow drive screw holders 26, 26 made of synthetic resin and having barrel-shaped upper and lower pieces 24 and 25 connecting the 23a and 23b, respectively. ... upper and lower pieces 2
Connecting pieces 27 at the side edges 24a and 25a of 4 and 25
．． By connecting through 27, they are connected in series.

In the connecting member 21, the holding bodies 26, 26. . . . The above-mentioned connecting pieces 27, 27° .
．． 2B, . . . are these respective holders 26, 26 . ... is formed in the vertical direction.

By providing these notches 28°28, . . . , each of the holding bodies 26° 26, .
The line connecting 27 is a bent part, and each independently cuts out the notch 2.
8.2B, . . . can be freely displaced in the direction of further opening.

That is, the holding bodies 26, 26. Drive screw 1 into...
0゜10,... and each of these driving screws io, i
o.

... are connected in parallel at predetermined intervals.
By providing 8, ..., it is possible to wind not only in one direction (clockwise) but also in the other direction (counterclockwise), and even when used for a striking tool with different winding directions, the connected striking The screw 20 can be loaded into a cylindrical magazine and used.

In addition, in this embodiment as well, similar to the previous embodiment, the upper piece 24 and the lower piece 25 are provided with screws of 10°10, . . .
Driving screw insertion holes 29 and 30 for holding the holder upright are coaxially drilled therein.

In addition, the insertion hole 29.3 is provided in the upper and lower pieces 24.25.
Slabs) 31, 31, .
and tongue pieces 32, 32, which hold the body portion 10b from both sides.・
... are formed at predetermined intervals.

Further, the driving screw holder 26, 26. One side piece 22, 22 . . . . are provided with windows 33 , 33 , . . . for engaging the driving screw feed claws of the impact tool.

Also in the connecting drive screw 20 having the above structure, when the driver of the impact tool hits the drive screw 10, the holder 2
The impact force acting on the upper and lower pieces 24.25 of 6 is the same as that of both side pieces 22.
Since the force is applied evenly in the longitudinal direction of 23, the driving screw 10 is maintained in an upright state during impact, and the driving screw 10 can be separated from the holder 26 while remaining upright.

Therefore, the driving screw 10 can always be driven perpendicularly to the material to be screwed.

As described above, according to the present invention, a connected fastener formed by connecting a large number of fasteners in parallel at predetermined intervals through a series of connected fastener holders can be wound in a coil shape as in the conventional case. Not only is this possible, but when a fastener held upright in each of the above fastener holders is removed from the holder, the upright state can be maintained until the removal is completed, so it is easy to screw in like a drive screw. This is highly effective for fasteners that are always required to be driven perpendicular to the material.

[Brief explanation of the drawing]

Fig. 1 and Fig. 2 are views showing a conventional example, Fig. 1 is an enlarged perspective view of the main part, and Fig. 2A and Fig. 2B are enlarged views showing the process of separating the drive screw from the holder. FIG. 3 to 8 are diagrams showing the first embodiment of the present invention, in which FIG. 3 is an enlarged perspective view of the main part, FIG. 4 is a schematic plan view of the connecting screw, and FIG. 5 is the same. 6 is a rear view thereof, FIG. 7 is a left side view thereof, and FIGS. 8A and 8B are enlarged sectional views showing the process of separating the drive screw from the holder. FIG. 9 is an enlarged perspective view of main parts showing a second embodiment of the present invention. 1.20...Connection drive screw, 2,21...
・・Connecting member, 3, 4, 22, 23... Side piece,
5, 24... Upper piece, 7, 26... Drive screw holder, 6, 25... Lower piece, 10...
... Drive screw, 11, 12, 29°30... Drive screw insertion hole.

Claims (1)

[Claims] 1 A pair of side pieces 3, 4 and upper and lower pieces 5 facing each other in parallel
．． A fastener insertion hole 11.1 is configured in a 61-sided frame shape and holds the fastener 10 upright in the upper and lower pieces 5 and 6.
2, a flexible connecting portion 9 in which a large number of hollow fastener holders 7 are arranged on a line parallel to the axis of the fastener 10;
The connecting member 2 connected in series is integrally formed of a flexible material, and the flexible connecting part 9 has a slit 8 for allowing bending in at least one side direction.
are formed in the connecting member 2, and each of the above-mentioned fastener insertion holes 11.
1. A connected fastener characterized in that each fastener 10 inserted into a fastener 12 can be wound into a coil while being connected and held in parallel at predetermined intervals.