JP2579981Y2 - Auxiliary tools for fastening tools such as fasteners - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an auxiliary tool for a fastening tool such as a fastener. That is, the present invention relates to an auxiliary tool which is used when connecting and fixing the objects with a fastener or the like and which is attached to a fastening tool in an auxiliary manner.

[0002]

2. Description of the Related Art FIG. 3 is a front view of a fastener and a fastening tool, FIG. 4 is a front sectional view of a step of connecting and fixing objects between the objects by a fastener, and FIG. The state is shown, and FIG. 2B shows the state after the connection is fixed. As shown in these drawings, when the object B is fixedly connected to the object A, first, as shown in FIG. 3, after the small-diameter projection 2 of the fastener 1 is inserted from the nosepiece 4 into the fastening tool 3, As shown in FIG. 4 (1), holes C and D between objects A and B
Insert the large-diameter protrusion 5 of the fastener 1 into the
At this time, by pulling the fastener 1 and caulking the fastener 1 and the objects A and B, as shown in FIG. 4 (2), between the deformed collar 6 of the fastener 1 and the enlarged deformed portion 7 And subjects A and B were fixedly connected.

[0003]

However, the following problems have been pointed out in such a conventional example. First, the fastener 1 is inserted between the objects A and B after being inserted into the fastening tool 3. At this time, the fastening tool 3 has an upward or downward corresponding posture depending on the direction of the objects A and B. Or moved to such a posture. Therefore, due to the posture of the fastening tool 3, the inserted fastener 1 often falls off the fastening tool 3, and easily falls on the objects A and B as products. It was pointed out that problems such as time consuming work were required. Secondly, when caulking between the fastener 1 and the objects A and B, the nose piece 4 at the tip of the fastening tool 3 has a small diameter and an extremely small pressure receiving area, so that excessive pressurizing force is concentrated through the fastener 1. Acts on A and B. In this way, the objects A and B are set with the fastening tool 3 via the fastener 1.
As a result, there is a problem in terms of product quality, for example, that excessive pressing force is intensively applied to the products A and B, which are likely to be damaged, deformed, and dented.

The present invention has been made in view of such circumstances, and has been made to solve the above-mentioned problems of the prior art. First, the present invention employs the interposition of a fastening tool between a main body, a nosepiece and a fastener. , Fasteners etc. are prevented from falling off.
Damage, deformation and dents of the object to be fixed are also prevented,
Thirdly, the object of the invention is to propose an auxiliary tool for a fastening tool such as a fastener, which is realized by using a conventional fastening tool as it is.

[0005]

The technical means of the present invention for achieving this object is as follows. That is, the fastening tool such as a fastener is used when the objects are connected and fixed by the fastener or the like, and is attached to the fastening tool in an auxiliary manner. The fastener or the like is provided with a small-diameter projection portion to be cut and removed afterward, a coupling fixing collar, a large-diameter projection portion, an enlarged deformation portion, and the like. The auxiliary tool is formed of a bent plate, and has a mounting portion mounted between a main body of the fastening tool and a nose piece at a tip thereof, and an interposition portion mounted between a collar such as the nose piece and the fastener. And a holding hole formed in the interposed portion and through which a small-diameter protrusion such as a fastener is inserted, and a connecting portion between the mounting portion and the interposed portion.

[0006]

The present invention is constituted by such means, and operates as follows. First, the mounting portion of the auxiliary tool is mounted between the main body of the fastening tool and the nose piece, and a small-diameter projecting portion such as a fastener is inserted from the nose piece while penetrating the holding hole of the interposition portion of the auxiliary tool. Then, the fastening tool takes a posture corresponding to the target, and a large-diameter protruding portion such as a fastener or an enlarged deformation portion is inserted into a hole between the targets. Thereafter, by applying a tensile force to the fastener or the like with a fastening tool and caulking, the collar or the enlarged deformation portion of the fastener or the like is deformed, and the objects are connected and fixed.

Therefore, first, the fastening tool takes an upward or downward corresponding posture depending on the direction of the object. At this time, since the fastener and the like are held in the holding holes of the auxiliary tool, they fall off from the fastening tool. Never. Secondly, when caulking between the fastener or the like and the object, an interposition portion of the auxiliary tool is mounted between the nose piece of the fastening tool and the collar of the fastener or the like, and a large pressure receiving area is secured on the fastening tool side. Therefore, the surplus pressure is not concentrated on the target,
Its damage, deformation and dents are prevented. Third, these can be easily and easily realized by using conventional fastening tools as they are.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the embodiments shown in the drawings. FIG. 1 shows a first embodiment of the present invention, and FIG. 1 (1) is a perspective view of a main part before being attached to a fastening tool 3,
(2) The figure is a front view of the main part after attachment. (1) of FIG.
FIG. 2 is a front view of the first embodiment, FIG. 2B is a side view of the first embodiment, FIG. 3C is a front view of the second embodiment of the present invention, and FIG. It is a front view of the principal part after mounting of 2 Example.

As described above with reference to FIGS. 3 and 4, the auxiliary tools 8 of the fastening tool 3 such as the fastener 1
Used when connecting and fixing between B with fastener 1 etc.,
As shown in FIGS. 1 and 2, it is attached to the fastening tool 3 in an auxiliary manner.

First, the fastener 1 and the like will be described. As the fastener 1 and the like, in addition to the fastener 1 as shown in the figure, there are other various types of blind rivets and swaging parts. It is provided with a small-diameter projecting portion 2 to be cut and removed. For example, the illustrated fastener 1
Is a bar-shaped small-diameter protruding portion 2 on one side, a bar-shaped large-diameter protruding portion 5 on the other side, and a diameter before use. An enlarged deformation portion 7 having a substantially spherical shape having substantially the same diameter as the large projection portion 5 is provided, and these are coaxially and integrally connected.

Next, the fastening tool 3 will be described. As shown in FIG. 3, the fastening tool 3 includes a main body 11 including a sleeve 9 and a handle 10, and a nosepiece 4 screwed to a tip of the sleeve 9. The nosepiece 4 is further illustrated as shown in FIG.
A screw portion 12 screwed into the sleeve 9, a step portion 13 having a square flange shape, and a tip portion 14 having a small cylindrical shape are coaxially and integrally connected to each other. The insertion hole of the small-diameter protrusion 2 of the fastener 1 is formed continuously. The sleeve 9 further contains a split sleeve, a jaw, a spring, and the like.
It is possible to apply a pulling force to the inner side while holding the nip so as to hold the nip, and such an operation is performed by operating the handle 10. 15 in FIG.
Is a spring interposed between the handles 10.

As shown in FIGS. 1 and 2, the auxiliary tool 8 of the present invention, which is attached to such a fastening tool 3, is formed of a bent thin metal plate and is fastened. A mounting portion 16 mounted between the body 11 of the tool 3 and the nosepiece 4, an interposition portion 17 mounted between the nosepiece 4 and the collar 6 of the fastener 1, and a small-diameter projection of the fastener 1 formed on the interposition portion 17 It has a holding hole 18 through which the portion 2 is inserted, and a connecting portion 19 between the mounting portion 16 and the interposition portion 17. First, the mounting portion 16 is formed as shown in FIG. 1 (1) or FIG. 2 (2).
As shown in the figure, the screw portion 12 has a substantially concave shape with a large opening in the center, and is located between the tip of the sleeve 9 on the main body 11 side of the fastening tool 3 and the step portion 13 of the nosepiece 4. It is externally fitted and mounted between the two by screwing the screw portion 12 to the sleeve 9. Further, the interposed portion 17 is formed in a flat plate shape having a holding hole 18 having a diameter corresponding to the small-diameter projecting portion 2 of the fastener 1 at the center, and is mounted between the distal end portion 14 of the nosepiece 4 and the collar 6 of the fastener 1. Is done. The connecting portion 19 has a flat plate shape, and the mounting portion 16 and the interposing portion 17 are provided at both ends thereof.
Each is erected.

The mounting portion 16 and the interposed portion 17 have a size substantially corresponding to the end face of the sleeve 9, that is, a diameter much larger than the cross section of the tip portion 14 of the nosepiece 4 and the collar 6 of the fastener 1. Size. The auxiliary tool 8 composed of the mounting portion 16, the intervening portion 17, the connecting portion 19, and the like has a substantially U-shaped cross section. By the way, FIG.
In the auxiliary tool 8 of the first embodiment shown in FIGS. 2A and 2B and the like, the vertical connecting portion 19 is
6 and the interposed portion 17 are both erected at right angles. On the other hand, in the auxiliary tool 8 of the second embodiment shown in FIGS. 2 (3) and 4 (4), the mounting portion 16 is erected at right angles to the connecting portion 19, but the intervening portion is formed. 17 is, for example, slightly erected outside with a slight angle α to the right angle.

The present invention is configured as described above. Then, it becomes as follows. When connecting and fixing the objects A and B with the fastener 1, first, the mounting portion 16 of the auxiliary tool 8 is attached between the sleeve 9 on the main body 11 side of the fastening tool 3 and the nosepiece 4, and the diameter of the fastener 1 is set. The small projecting portion 2 is inserted from the nosepiece 4 into the fastening tool 3 while penetrating into the holding hole 18 of the interposed portion 17 of the auxiliary tool 8 (FIGS. 1 (1), 2 (2), and 2). (See Figure (4)). In this way, the fastener 1 is once inserted into the sleeve 9 of the fastening tool 3 via the auxiliary tool 8 and the nosepiece 4, and the auxiliary tool 8 is
1, Nosepiece 4, Fastener 1 The fastening tool 3 thus provided with the fastener 1 and the auxiliary tool 8 takes a corresponding posture in accordance with the directions of the objects A and B, and the large-diameter protrusion 5 and the enlarged deformation part 7 of the fastener 1 It is inserted into holes C and D formed between A and B (see FIG. 4 (1)). Thereafter, the handle 10 of the fastening tool 3
By holding the small-diameter projecting portion 2 of the fastener 1 in the sleeve 9 by the operation of, a tensile force is applied to the fastener 1 in the opposite direction to the objects A and B, and the distance between the fastener 1 and the objects A and B is reduced. By squeezing, the collar 6 and the enlarged deformation portion 7 of the fastener 1 are deformed along the surfaces of the objects A and B,
For example, the objects A and B composed of a plate and a part are firmly connected and fixed (see FIG. 4 (2)). After the fact, the fastening tool 3
Is removed from the fastener 1, and the small-diameter projection 2 of the fastener 1 is cut and removed. Since the auxiliary tool 8 is used as described above, the following first, second, and third tools are provided.

First, during the work of fixing the objects A and B, the fastening tool 3 with the fastener 1 may be in an upward or downward corresponding posture depending on the direction of the objects A and B to be fixed. In this case, the fastener 1 has the small-diameter protrusion 2 and the collar 6 held by the holding holes 18 of the auxiliary tool 8. As described above, since the fastener 1 is held by the auxiliary tool 8, it is dropped from the sleeve 9 and the nose piece 4 of the inserted fastening tool 3 as pointed out in the above-described conventional example. It is reliably prevented from falling off and falling onto the objects A and B.

In particular, in the auxiliary tool 8 of the second embodiment shown in FIGS. 2 (3) and 4 (4), since the interposition portion 17 is slightly inclined, the holding hole 18 is also formed in the fastener 1. Are not perpendicular to the small diameter protruding portion 2 but are slightly inclined. Therefore, in the second embodiment, there is an advantage that the small-diameter projecting portion 2 and the fastener 1 are more securely held by such inclination of the holding hole 18, and the fastener 1 is prevented from falling off very surely.

Second, when caulking between the fastener 1 and the objects A and B, the nose piece 4 of the fastening tool 3 and the fastener 1
The interposed part 17 of the auxiliary tool 8 is mounted between the collars 6. Therefore, a large pressure receiving area is secured on the side of the fastening tool 3 by such an intervening portion 17, and as described in the above-described conventional example of this kind, extra parts are added to the objects A and B via the fastener 1. The pressing force is not applied intensively, and the damage and deformation of the objects A and B,
Dent is reliably prevented.

Thirdly, these can be used as they are without any modification of the conventional fastening tool 3, and can be easily and easily realized by auxiliaryly attaching the auxiliary tool 8 to such a fastening tool 3. Is done.

[0019]

As described above, the auxiliary tool for the fastening tool such as the fastener according to the present invention exhibits the following effects by being interposed between the main body of the fastening tool, the nose piece, and the fastener.

First, at the time of connecting and fixing the objects, the objects are prevented from dropping off from a fastening tool such as a fastener or dropping onto the object. Therefore, the workability is improved, the work is not troublesome, and the work time is shortened. Secondly, when caulking between the fastener and the object, the product quality is improved, such that excessive force is not concentrated on the object, and damage, deformation and dent of the object to be fixed and fixed are prevented. Is improved. Third
In addition, since these can be used as they are without improving the conventional fastening tools and can be easily and easily realized,
Excellent in cost. As described above, the effects of the present invention are remarkable and large, for example, the problems existing in this type of conventional example are eliminated.

[Brief description of the drawings]

FIG. 1 shows a first embodiment of an auxiliary tool for a fastening tool such as a fastener according to the present invention, wherein (1) is a perspective view of a main part before mounting, and (2) is a main part after mounting. FIG.

FIG. 2 is a front view of the first embodiment, FIG. 2B is a side view of the first embodiment, and FIG. 2C is a side view of the second embodiment of the present invention. FIG. 4D is a front view of a main part of the second embodiment after attachment.

FIG. 3 is a front view of a fastener and a fastening tool.

FIG. 4 is a front cross-sectional explanatory view of a step of fixing and fixing between objects with a fastener, and FIG.
(2) The figure shows the state after the connection and fixation.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fastener 2 Small diameter protrusion 3 Fastening tool 4 Nosepiece 5 Large diameter protrusion 6 Collar 7 Enlarged deformation part 8 Auxiliary tool 11 Main body 16 Mounting part 17 Interposition part 18 Holding hole 19 Connection part A Target B Target

Claims (1)

(57) [Scope of request for utility model registration] 1. An auxiliary tool which is used when connecting and fixing objects to each other with a fastener or the like, and which is attached to a fastening tool in an auxiliary manner. A fixing collar, a large-diameter protrusion, an enlarged deformation portion, and the like are sequentially provided. The auxiliary tool is formed of a bent plate, and is mounted between the main body of the fastening tool and a nose piece at the tip. Part, an interposed part to be mounted between the nose piece and the collar such as the fastener, a holding hole formed in the interposed part, through which a small-diameter protrusion such as the fastener is inserted, and a part between the mounting part and the interposed part. And an auxiliary tool for a fastening tool such as a fastener.