JP2003117850A - Power driven driving device for fasteners - Google Patents

Abstract

(57) [Summary] [Problem] To attach a share block (17) for introducing the fastener connecting body (1) to the fastener loading portion (15) of the driving nose, in the driving nose (11) of the power driven driving device (10). And a magazine 18 adapted to sequentially feed the fastener coupling body into the fastener loading portion of the driving nose, wherein each of the fasteners 2 in the fastener coupling body is detachably mounted.
Can be performed with the magazine 18 removed. SOLUTION: The shear block 17 is provided with a pressing piece 19 that is pressed against the fastener connecting body 1 by a spring means 20, and the pressing piece 19 is used to connect the fastener connecting body. It is held at the share block 17.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
1 to 198064 and the like, and as shown in FIGS. 1 and 2, a plurality of fasteners 2 such as nails or headed pins are formed in a row with a connector 3 made of synthetic resin or the like. A fastener connector 1 formed by connecting to the fastener connector 1.
The present invention relates to a device for driving each fastener 2 such as a nail in Fig. 1 by motive power such as gas combustion pressure.

[0002]

2. Description of the Related Art With respect to this type of power driving apparatus, Japanese Patent Laid-Open No. 11-277459 as a prior art discloses loading a magazine with a fastener connecting body in which fasteners such as a plurality of nails are connected in a line. Then, this magazine is detachably attached to the side surface of the driving nose in the power-driven driving device, or after the magazine is mounted to the driving nose, the fastener coupling body is loaded into this magazine,
With this magazine, each fastener in the fastener coupling body is sequentially fed to the fastener loading portion in the driving nose one by one.

[0003]

As described in the same publication, the driving device in the prior art has a form in which the magazine detachably attached to the driving nose projects from the side surface of the driving nose for a long time. As a result, the magazine cannot be driven into a narrow space so that the nail cannot be driven. Therefore, when driving into such a narrow space, the cartridge is removed.

However, in the driving device of the prior art, since the entire fastener connecting body is held by the magazine, the fastener connecting body is driven in the state where the magazine is removed from the driving nose. It cannot be held at the nose and therefore each fastener in the fastener connection must be cut off one by one to feed the fastener loading section on the driven nose. There was a problem that it required trouble.

The present invention has a technical object to provide a driving apparatus which solves this problem.

[0006]

In order to achieve this technical object, the first aspect of the present invention is that "a driving nose of a power type driving device has a fastener such as a nail in a fastener loading portion of the driving nose. A share block is installed to introduce a fastener connecting body in which a plurality of fasteners are connected, and a magazine that allows the fastener connecting body to be sequentially fed to the fastener loading section of the driving nose is detachably attached to the share block. In the above, the shear block is provided with a pressing piece that is pressed by the spring means against the fastener connecting body. ”

According to a second aspect of the present invention, "In the above-mentioned first aspect, the tip of the pressing piece is formed into a hemispherical shape,
In the fastener coupling body, it was fitted and engaged with the recess in the side surface of the coupling tool for coupling each fastener. It is characterized by

[0008]

[Operation and effect of the invention] Thus, in the share block,
By providing a pressing piece that is pressed against the fastener connecting body by the spring means, the fastener connecting body is pressed by the spring means of the pressing piece in a state where the magazine is removed from the share block. Therefore, the fastener at the tip of the fastener connecting body can be reliably supplied to the fastener loading portion because the fastener can be securely held at the share block.

Accordingly, when the magazine is removed for driving in a narrow space, each fastener in the fastener connecting body is cut off one by one and supplied to the fastener loading portion in the driving nose as in the prior art. Without adopting that, it is possible to drive into a narrow place with the state of the fastener coupling body,
This has the effect of significantly reducing the number of steps required for this.

In particular, according to the second aspect of the invention, the fastener connecting body is placed at the share block under the condition that the fastener connecting body can be easily fed into the fastener loading section. Further, there is an advantage that it can be held reliably and stably without sticking.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings of FIGS.

In the figure, reference numeral 10 indicates a main body of a driving device, and in the main body 10, a hollow nose support 12 and a pipe-shaped nose piece 13 axially slidably inserted therein. A driving nose 11 composed of and is attached, and a driving operating rod 14 is arranged to move forward and project in the nose piece 13 in the direction of its tip by power such as gas combustion pressure. A fastener such as a nail loaded in the fastener loading portion 15 of the driving nose 11 is inserted into the driving rod 1.
It is configured to be driven into the mating member 16 by the forward projecting movement of 4.

Further, a shear block 17 adapted to introduce the fastener connecting body 1 shown in FIGS. 1 and 2 into the fastener loading portion 15 is attached to a side surface of the nose support 12 of the driving nose 11. The magazine 1 in which the fastener coupling body 1 is loaded in the share block 17
8 is detachably mounted, and a fastener 2 such as each nail in the fastener coupling body 1 loaded in the magazine 18 is fed by a feeding mechanism (not shown) provided in the magazine 18.
The fastener loading section 15 is configured to be sequentially fed.

The shear block 17 has a pressing piece 19 having a hemispherical or conical tip at the left and right sides of the fastener coupling body 1 inside the shear block 17, and the tip of the pressing piece 19 is fastened. It is arranged so as to fit into the recess 3a formed in the portion between the fasteners 2 in the connector 3 of the tool connector 1, and each of the pressing pieces 19 is connected to the spring 20 by the spring 20. It is configured to press against the fastener coupling body 1.

The pressing pieces 19 and the springs 20 thereof are incorporated into a screw body 21 screwed to the shear block 17, whereby the pressing force of the pressing pieces 19 on the fastener connecting body 1 is The screw body 21 is configured to be screwed in for adjustment. Further, in the present embodiment, the pressing piece 19 and the spring 20 thereof are provided at four places on the left, right, top and bottom, as shown in FIG.

In this structure, in the case of normal driving, the shear block 17 is mounted on the magazine 18.

That is, as shown in FIGS. 1 to 4, the magazine 18 is mounted on the share block 17 of the driving nose 11 after the fastener connecting body 1 is loaded into the magazine 18, or the magazine 18 is mounted on the share block. After being mounted on 17, the magazine 18 is loaded with the fastener connecting body 1, so that one fastener 2 at the tip of the fastener connecting body 1 is supplied to the fastener loading portion 15 of the driving nose 11. In this state,
The fastener 2 can be driven into the mating member 16 by moving the driving rod 14 forward and projecting with the power such as the combustion pressure of gas.

When the driving operation rod 14 is moved back to the original position after the driving, the fastener connecting body 1 presses the pressing mechanism 19 in the magazine 18 to push the pressing pieces 19 into their springs 20. By being pushed in while retreating against, the next fastener 2 in the fastener coupling body 1 is automatically supplied to the fastener loading section 15.

On the other hand, when driving into a narrow space, as shown in FIGS.
Remove from driving nose 11 and drive nose 11
As shown by arrow A, the fastener coupling body 1 is manually inserted into the shear block 17 by retracting each of the pressing pieces 19 against the spring 20 to move the fastener coupling body 1 backward. One fastener 2 at the tip of one
However, the fastener loading portion 15 in the driving nose 11
And the fastener loading portion 15 can be held in the push-in loading state by the pressing pieces 19, so that in this state, the driving operating rod 14 is driven by power such as gas combustion pressure. By moving forward and projecting, the fastener 2 can be driven into the mating member 16.

When the driving operation rod 14 is moved back to its original position after this driving is completed, the fastener connecting body 1 is manually pushed by the pressing pieces 19 as shown by an arrow A.
By further pushing in against the spring 20 while retracting, the next fastener 2 in the fastener coupling body 1 can be supplied to the fastener loading portion 15.

In this case, each pressing piece 19 is
The recess 3 on the side surface of the connector 3 which connects the respective fasteners 2 in the fastener connector 1 with the hemispherical portion or the conical portion at its tip
Since the fastener coupling body 1 can be easily fed into the fastener loading portion 15 by being fitted and engaged with a, the fastener coupling body 1 is further attached to the share block 17 at a position. It can be held reliably and stably without sticking.

[Brief description of drawings]

FIG. 1 is a front view showing a fastener coupling body.

FIG. 2 is an enlarged sectional view taken along line II-II of FIG.

FIG. 3 is a vertical sectional front view showing a main part of a driving device.

FIG. 4 is an enlarged sectional view taken along line IV-IV of FIG.

5 is a cross-sectional view taken along line VV of FIG.

FIG. 6 is a view showing a state in which a magazine is removed in the driving device.

7 is a sectional view taken along line VII-VII of FIG.

[Explanation of symbols]

1 Fastener connection Fasteners such as 2 nails 3 connector 3a recess 10 Main body of driving device 11 driven nose 12 Nose support 13 nose piece 14 Driving rod 15 Fastener loading section 17 share blocks 18 magazines 19 Pressing piece 20 springs 21 screw body

Claims (2)

[Claims] 1. A share block is attached to a driving nose of a power-driven driving device, and a shear block for introducing a fastener coupling body in which a plurality of fasteners such as nails are coupled to a fastener loading portion of the driving nose is mounted. In blocks,
A magazine in which the fastener connecting body is sequentially fed to a fastener loading portion in the driving nose is detachably mounted, and the share block is pressed against the fastener connecting body by spring means. A driving tool for a fastener, wherein the pressing piece is provided. 2. The pressing member according to claim 1, wherein the tip of the pressing piece is hemispherical, and is fitted and engaged in a recess on a side surface of a connector for connecting each fastener in a fastener connector. Characterized fastener driving device.