JPH08135628A - Member fixing tool - Google Patents

Abstract

PURPOSE: To provide a member fixing tool by which a driving-in layer is not inconveniently disrupted at driving-in time. CONSTITUTION: A member fixing tool contains an outer cylinder 1 having a flange 1b on one end of a cylinder main body 1a, a pointed part 1d which is integrally bent and formed on the other end of the outer cylinder 1 or is fixed as a separate body, a shaft 2 which is inserted from one end of the outer cylinder 1 and has a head one end, a bar-shaped anchor member 4 which is interposed between the other end of the shaft 2 and the pointed part 1d and is integrally formed with the shaft 2 or is fixed as a separate body and a separable spacer 6 interposed between the outer cylinder flange and the shaft head, and is formed so that a thickness of the outer cylinder 1 is made thinner than the other outer cylinder part in the circumferential direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a member fixing tool such as a nail or a nail.

[0002]

2. Description of the Related Art As an example of the prior art, the actual development of Sho 62-
There is one disclosed in Japanese Patent Publication No. 196914. In this technique, the leg portion of the nail is divided into a pair of leg pieces along the axial direction, and a thin strip plate which is easily bent is sandwiched between the leg pieces. Then, as the nail was driven into the aerated concrete, the concrete layer entered between the leg pieces from the bottom of the leg pieces,
The strip plate is folded upward in a zigzag shape, and the two leg pieces open in an eight-shape to form an anchor.

[0003]

However, in the above-mentioned technique, since the legs of the nail open in an eight-shape at the same time when the nail is driven in, the nail is undesirably destroyed and a cavity is formed.
The pullout resistance is weak.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems and to provide a member fixing tool which does not undesirably destroy the driving layer when driving.

[0005]

In order to solve the above problems, the structure of the present invention is as follows. That is, the first configuration is that an outer cylinder having a flange at one end of the cylinder main body, a pointed portion integrally bent or fixed to the other end of the outer cylinder, and an apex that is inserted from one end of the outer cylinder. A shaft having a head, a rod-shaped anchor member that is interposed between the other end of the shaft and the apex, is integrally formed with the shaft, or is fixed as a separate body, the outer cylinder flange, and the The outer cylinder includes a detachable spacer interposed between the outer cylinder and the shaft head, and the thickness of the outer cylinder is thinner in the circumferential direction than other outer cylinder portions near the other end of the outer cylinder.

In the second structure, an outer cylinder having a flange at one end of the cylinder body, a pointed portion integrally bent or fixed to the other end of the outer cylinder, and a shaft inserted from one end of the outer cylinder. And a rod-shaped anchor member that is interposed between the other end of the shaft and the apex, is integrally formed with the shaft, or is fixed separately, and near the other end of the outer cylinder. The thickness of the outer cylinder is made thinner than other outer cylinder portions in the circumferential direction, and the anchor member is formed by bending the wire in an inverted U shape, and when the shaft is hit,
The anchor member is elastically restored by the elastic restoring force of the anchor member until the anchor member reaches the object to be fixed, or just before reaching, so that the anchor member generates a frictional force that does not penetrate the anchor member. It means that it has been pressed into contact with.

In the third structure, an outer cylinder having a flange at one end of the cylinder body, a pointed portion integrally bent or fixed to the other end of the outer cylinder, and a shaft inserted from one end of the outer cylinder. And a rod-shaped anchor member that is interposed between the other end of the shaft and the apex, is integrally formed with the shaft, or is fixed separately, and near the other end of the outer cylinder. The thickness of the outer cylinder is made thinner in the circumferential direction than the other outer cylinder portions, and when the shaft is hit, the anchor member until the outer cylinder flange reaches an object to be fixed, or just before reaching. That is, a convex portion is provided on the shaft or the inner surface of the outer cylinder so as to generate a frictional force that does not penetrate through the outer cylinder.

[0008]

[Operation] When you hit the head of the shaft with a hammer and drive it in,
The outer cylinder and the shaft are integrated, and the outer cylinder is driven up to the flange and stopped. When subsequently hit, the shaft head is driven to the surface of the flange of the outer cylinder. At this time, the anchor member breaks through the outer cylinder and penetrates into the base material. This will be an anchor against the pulling force.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below based on an embodiment shown in the drawings. 1, 2, and 3, the outer cylinder 1
Has a concentric round flange 1b on the upper end of a steel cylindrical body 1a, and the lower end is bent to form a pointed portion 1d. A cylindrical guide member 5 is interposed between the pointed portion 1d and the end portion of the outer cylinder 1. That is, the guide member 5 has a columnar portion 5a concentric with the cylindrical main body 1a of the outer cylinder 1, and a downwardly-pointed peak portion 5b (point portion 1d) at the lower end and an upwardly-pointed peak portion 5c at the upper end. In addition, from the peripheral edge of the upper surface of the cylindrical portion 5a to the cylindrical thin portion 5d
(Thickness smaller than outer cylinder 1) overhangs upward. These parts 5a, 5b, 5c and 5d are integrally formed by a press die. Then, the thin cylindrical portion 5d is fitted onto the narrowed portion 1n at the lower end of the outer cylinder 1 and seam welded.

The cylindrical main body 2a of the steel shaft 2 is inserted from the upper end of the outer cylinder 1 and has a concentric round head 2b at the upper end. At the boundary between the shaft main body 2a and the head 2b, there is a head side. A widening taper surface 2c is formed. A positioning recess 2d is formed on the lower end surface of the shaft 2. Then, an adhesive (or pressure-sensitive adhesive) 3 is applied to the outer periphery of the columnar body 2a, and the shaft 2 is prevented from coming off by adhesion or friction with the inner surface of the cylindrical body 1a of the outer cylinder 1.

Further, on the outer circumference of the shaft, a plurality of circumferential projections 2e for sealing are formed by rolling. A rotating circular die is pressed against the rotating shaft, and the circumferential ridges 2e are raised by plastic deformation (height: about 0.1 to 0.2 mm). Approximate size makes it easy to fit the outer cylinder 1, has a waterproof effect, and does not hinder the driving of the shaft 2.

The rod-shaped anchor member 4 is interposed between the lower end of the shaft 2 and the guide member 5 above the pointed portion 1d, and the lower end faces the thin portion 5d of the outer cylinder 1. The anchor member 4 is made of a round wire made of steel, is bent in an inverted U shape, and both ends 4a of the wire are on the lower side, and both ends 4a are bent to the outside of the outer cylinder 1.

The spacer cylinder 6 includes an outer cylinder flange 1b and a shaft head 2.
It is interposed between b and. The spacer cylinder 6 is made of a plastic (synthetic resin) cylinder, and is thinner (thin-walled portion 6a) than the other portion (thick-walled portion 6a) on one side with the axial direction as a boundary.
Have been. An inclined surface 6c is provided at the shaft head side end surface of the one side portion (thin portion 6b) so that the upper surface of the thin portion 6b is lowered.

A washer 10 is interposed at the boundary between the spacer 6 and the cylinder body 1a. In the above, FIG.
Then, a case where the exterior material A such as a roof tile or a wooden board is fixed to the surface of the lightweight cellular concrete base material B by the fixture of the present invention will be described. When the head 2b of the shaft 2 is hammered and hammered in, the outer cylinder 1 and the shaft 2 have the spacer cylinder 6,
Together, they are driven up to the flange 1b of the outer cylinder 1 and stopped.

When subsequently hit, the outer cylinder 1 is attached to the flange 1b.
Since the movement of the spacer 2 is stopped by the head 2b of the shaft 2, it is compressed by the head 2b of the shaft 2, and the inclined surface 6c of the spacer cylinder 6 and the tapered surface 2c of the shaft 2 cause the radius toward the thick portion 6a side with the axis as a boundary. A directional component force is generated at the upper part of the spacer cylinder 6. For this reason, the spacer cylinder 6 inclines from the upper portion in the radial direction from the upper portion, as shown in phantom, and the thin portion 6b is strongly pressed by the shaft 2 and is broken from the shaft 2. When the shaft is driven, the spacer cylinder is gently separated in almost one direction without vigorously scattering around. At this time, the washer 9
Prevents the lower part of the spacer cylinder 6 from being caught between the shaft and the outer cylinder.

By the subsequent impact, the adhesion of the adhesive 3 is released, and the shaft head 2b is driven through the washer 9 to the surface of the flange 1b of the outer cylinder 1. At this time, the anchor member 4 sequentially pierces through the thin portion 5d of the outer cylinder in the axial direction, and enters the inside of the base material B.

Here, the positioning recess 2 is formed on the lower end surface of the shaft 2.
Since there is d, the shaft 2 and the anchor member 4 are held so that their axes are substantially aligned with each other, and the anchor member 4 smoothly exits from the outer cylinder. This provides an anchor against the pulling force of the nail.
Further, since the spacer cylinder 6 is provided, the shaft 2 does not advance in the outer cylinder until the outer cylinder 1 is completely driven. Therefore, the anchor member 4 projects from the outer cylinder only after the outer cylinder 1 is hit, and the periphery of the driving layer is not undesirably destroyed.

Here, when the shaft 3 comes out of the outer cylinder 1 during handling of the adhesive 3 or when a force in the opposite direction acts on the shaft 2 due to the elastic restoring force of the anchor member 4 during driving of the shaft 2, Resist this.

Further, as shown in FIG. 5, the lower half portion of the outer cylinder 1 is formed so as to have a plurality of ridges and valleys along the axial direction, and the fixing force is increased. In this case, the anchor member 4 is interposed between the convex strips facing each other. Further, in this case, the adhesive 3 can be omitted by slightly increasing the outer diameter of the shaft 2 to generate a "tightening margin". Also, as shown in FIG.
Even when the axial cross section of the lower half of the outer cylinder 1 is rectangular (square), the adhesive 3 can be omitted by increasing the thickness of the shaft 2 to make a tight margin.

Instead of the anchor member 4, as shown in FIGS. 7 and 8, the anchor member 4 has a l (alphabet writing small letter) wire having both ends bent outward, or FIGS.
As described above, a strip thin plate piece is cut along the length direction from the lower side to the front side and bent into a human-character shape (or a letter-shaped shape). Also, J-shaped wire (not shown)
May be used and this may emerge from one hole in the barrel. The anchor member 4 is formed integrally with the shaft 2 or is separately secured by an adhesive, welding, or the like.

As the anchor member, a usual material for nails is used. Also, if you use spring material such as stainless spring steel,
Since it is rich in elasticity, even if the positional relationship between the outer cylinder 1 and the anchor member is displaced due to an earthquake or the like, the original state is restored and the fixing strength is strong.

The thin portion 5d may be formed separately from the guide member 5 and may be welded. Further, the end portion of the outer cylinder 1 may be thinned and integrated with the outer cylinder 1. Alternatively, the thin portion is not provided, the end portion of the outer cylinder has the same thickness as other portions (for example, 0.3 mm, 0.4 mm, etc.), the hardness of the anchor member,
If the tip sharpness is appropriately selected, the anchor member 4 pierces through the outer cylinder.

If, instead of or in addition to the above, a plurality of grooves 6d (imaginary line in FIG. 1) along the axial direction are provided on the outer periphery of the spacer cylinder 6, this portion will also be destroyed.

As shown in FIG. 14, when the spacer cylinder 6 is not provided, the anchor member 4 has a wire bent in an inverted U shape, and when the shaft 2 is hit, the outer cylinder flange 1b.
The anchor member is elastically restored by the elastic restoring force so that the anchor member 4 generates a frictional force to the extent that the anchor member 4 does not pierce the thin portion 5d of the outer cylinder 1 until the anchor reaches the object to be fixed or just before reaching. It is in pressure contact with the inner wall of the cylinder 1. Here, as an experimental example (example), an example of dimensions when a wood plate is fixed to the surface of the lightweight cellular concrete base material B and a particle board is fixed is shown. When the diameter of the round wire of the anchor 4 is 1.1 mm, the inner diameter of the outer cylinder 1-outer diameter is 2.5 mm-3.5 mm,
2.8mm-3.8mm, 3.0mm-4.0 Diameter of outer cylinder flange 1b is 8mm or more Thickness of thin part 5d is 0.3mm, 0.4mm Diameter of round wire of anchor 4 1.2mm In the case of the outer cylinder 1, the inner diameter-outer diameter is 3.2 mm-4.2 mm,
4.5 mm-5.5 mm The diameter of the outer cylinder flange 1b is 10 mm or more, and the thickness of the thin portion 5d is 0.3 mm and 0.4 mm.

If the spacer 6 is not provided and the frictional force of the anchor member 4 to the outer cylinder 1 is not sufficient, the adhesive force of the adhesive 3 is increased. As a result, until the outer cylinder 1 is driven up to the flange 1b, the outer cylinder 1 is driven integrally with the shaft 2, after which the adhesive 3 is released from the fixation, and the shaft 2 is driven into the outer cylinder 1.

Further, instead of the adhesive 3 as shown in FIG.
A plurality of convex portions 3a are provided on the outer circumference of the columnar body 2a at equal intervals in the circumferential direction, and this serves as a "tightening margin" with the inner surface of the outer cylinder 1 until the outer cylinder 1 is driven in. Both are united. Instead of the convex portion 3a, the axial convex stripes 3b are arranged in the circumferential direction, or a circumferential convex stripe is provided. Further, these convex portions 3c or ridges are pressed (or hit) from the outside of the outer cylinder 1 (or the rotating circular die is pressed against the outer cylinder rotating in the same manner as described above), and the outer cylinder 1
It may be formed by projecting inside.

Alternatively, as shown in FIG. 12, a circumferential groove 2c may be provided on the outer circumference of the shaft 2 and the ring packing 9 may be fitted therein. These modifications are applied even if the spacer cylinder 6 is provided, but the adhesive force between the outer cylinder and the shaft is set to a small value so that the shaft does not come out.

FIG. 13 shows another embodiment of the shaft. The shaft does not have a head, and the sealing material layer 8 is applied to the upper part of the shaft. In this case, after driving the shaft 2 into the outer cylinder 1, the sealing material layer 8
Prevent rainwater from entering. Also, the lower part of the shaft 2 and the anchor member 4
Apply the sealant over the top of the. Other, outer cylinder 1
As a waterproofing means for the inside, a rotary round die is pressed from the outside of the rotating outer cylinder 1 to form a circumferential ridge for sealing on the inner circumference of the outer cylinder. Alternatively, as shown in FIG. 12, the ring packing 9 is interposed.

FIG. 15 shows another embodiment of the guide member 5.
That is, the columnar protrusion 5e is provided on the top of the pointed peak 5c.
Are concentrically provided on the cylindrical portion 5a. Then, with the columnar projection 5e sandwiched, it and the anchor member 4 are simultaneously inserted from the other end of the outer cylinder 1. As a result, the anchor member 4 spreads outward in the radial direction of the outer cylinder 1 and easily comes out of the outer cylinder 1.
For this reason, even when the bending-formed anchor member is used from the state in which the wire is cut in the cross section perpendicular to the axial direction, the outer cylinder 1
It becomes easier to get out of. Therefore, the step of inclining (sharply sharpening) the end surface of the anchor member in the axial direction can be omitted, and the cost can be reduced accordingly.

The present invention can be applied to nails, paintings, tatami mats, etc.
It is applied to a very wide range of uses as a fixture for other members. Further, as the material of the driven member, in addition to the above,
It is applied to wood wool cement board, wood, folding, metal board, etc.

The present invention is not limited to the examples and embodiments described above, but includes various modifications without departing from the spirit and scope of the claims.

[0032]

According to the structure of the present invention, since the rod-shaped anchor member projects in the length direction from the tip of the rod from the side surface near the tip of the outer cylinder, the anchor member smoothly enters without breaking the layer. To do. Therefore, the stability of the base of the fixture is also good. In addition, since the tip of the fixing tool can be formed into a pointed shape, it is easy to drive and the layer is not broken undesirably. Moreover, since the thickness is determined by the outer cylinder and the shaft or the outer cylinder and the anchor member, the thickness can be made thinner than the conventional one, and it is easy to drive and the waterproof around the driven nail is also easy. Moreover, the pull-out proof strength can be freely designed by selecting the thickness, material strength and length of the anchor member.

Further, since no hole is preliminarily formed in the vicinity of the other end of the outer cylinder, it is not necessary to position the anchor member in the circumferential direction of the outer cylinder, and the manufacturing work is not so much.

[Brief description of drawings]

FIG. 1 is a front view of an embodiment of the present invention.

FIG. 2 is a longitudinal sectional view of FIG.

FIG. 3 is an end view taken along the line III-III in FIG.

FIG. 4 is a sectional view showing a state of use.

FIG. 5 is another embodiment of the outer cylinder.

FIG. 6 is another embodiment of the outer cylinder.

FIG. 7 is a front view of a second embodiment of the anchor member.

FIG. 8 is a left side view of FIG.

FIG. 9 is a front view of a third embodiment of the anchor member.

FIG. 10 is a right side view of FIG.

FIG. 11 is a view showing another embodiment of a temporary fixing portion between the outer cylinder and the shaft.

FIG. 12 is a view showing another embodiment of a temporary fixing portion between the outer cylinder and the shaft.

FIG. 13 is another embodiment of the upper part of the shaft.

FIG. 14 is a vertical sectional view of another embodiment of the present invention.

FIG. 15 is a sectional view of another embodiment of the lower portion of the outer cylinder.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Outer cylinder 1a ... Cylinder main body 1b ... Flange 1d ... Point 2 ... Shaft 2 ... Main body 2b ... Head 3 ... Adhesive 4 ... Anchor member 5 ... Guide member 6 ... Spacer cylinder

Claims (3)

[Claims] 1. An outer cylinder having a flange at one end of a cylinder body,
Between the other end of the outer cylinder, which is integrally bent or fixed separately, a shaft, which is inserted from one end of the outer cylinder and has a head at one end, and between the other end of the shaft and the sharp part. A bar-shaped anchor member that is interposed or integrally formed with the shaft, or fixed separately, and a detachable spacer that is interposed between the outer cylinder flange and the shaft head; The member fixing tool, wherein the thickness of the outer cylinder is made thinner in the circumferential direction near the other end of the cylinder than other outer cylinder parts. 2. An outer cylinder having a flange at one end of a cylinder body,
A pointed portion integrally bent or fixed to the other end of the outer tube, a shaft inserted from one end of the outer tube, and interposed between the other end of the shaft and the pointed portion, or A rod-shaped anchor member integrally formed with the shaft or fixed separately, and in the vicinity of the other end of the outer cylinder, the thickness of the outer cylinder is made thinner in the circumferential direction than other outer cylinder parts. The anchor member is formed by bending a wire into an inverted U shape, and when the shaft is hit, the anchor member does not move until the outer cylinder flange reaches an object to be fixed or until just before reaching. A member fixing tool characterized in that the anchor member is pressed and brought into contact with the inner wall of the outer cylinder by its elastic restoring force so as to generate a frictional force that does not break out from the anchor member. 3. An outer cylinder having a flange at one end of a cylinder body,
A pointed portion integrally bent or fixed to the other end of the outer tube, a shaft inserted from one end of the outer tube, and interposed between the other end of the shaft and the pointed portion, or A rod-shaped anchor member integrally formed with the shaft or fixed separately, and in the vicinity of the other end of the outer cylinder, the thickness of the outer cylinder is made thinner in the circumferential direction than other outer cylinder parts. When the shaft is struck, until the outer cylinder flange reaches an object to be fixed, or until just before, the anchor member generates a frictional force that does not break through the outer cylinder, the shaft or the A member fixing tool, wherein a convex portion is provided on the inner surface of the outer cylinder.