JP3493260B2 - Backup material mounting tool - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a backup material installation tool and a backup material, and more particularly, to a backup material installation tool that serves as a base material for a sealing material when sealing a joint on a wall surface of a building. The present invention relates to a backup material that is installed in a joint with this installation tool.

[0002]

2. Description of the Related Art Conventionally, as a tool for attaching a backup material in a joint sealing work, for example, a backup material filler disclosed in Japanese Utility Model Publication No. 7-16840 has been known as a conventional example.

The backup material filler 1 of this conventional example is
As shown in FIG. 5, a grip 2 to be gripped by hand, and this grip 2
A long hole 3 formed on the lower side of the handle 3, a rotating body 4 vertically movably attached to the long hole 3, and two wheels 5 and 5 provided on the lower end side of the handle 2. Cage,
The outer peripheral surface of the rotating body 4 is provided so as to slightly project from the lower side between the wheels 5 and 5.

In order to mount the backup material 8 in the joints 7 such as the wall surface 6 using this backup material filling device 1, first, the rotating body 4 is moved up and down along the elongated hole 3 to previously prepare the rotating body. The outer peripheral surface of 4 is a width of both wheels 5, 5
Make it protrude from the lower side of the space.

Then, after the rotor 4 is pressed against the outer peripheral surface of the backup material 8 which has been fitted in the opening of the joint 7 in advance and the backup material 8 is pressed by a predetermined width,
The backup material 8 is pushed into the joint 7 by moving both wheels 5 and 5 along the upper edge of the joint.

[0006]

In this conventional backup material filling device 1, when the rotating body 4 is moved while the handle 2 is carelessly tilted in the left-right direction, the backup material 8 is jointed. There is a drawback in that the backup material 8 is not mounted accurately because it cannot be accurately pushed into a predetermined position within 7, or vice versa.

If the backup material 8 once installed in the joint 7 is accidentally pushed further,
There is also a drawback that it cannot be pulled back to a predetermined position.

As described above, unless the backup material 8 is uniformly attached to the predetermined position in the joint 7, the filled sealing material is liable to be ruptured, quasi-destructively broken, or stuck to the adhered material.
It has a problem that the sealing performance is deteriorated.

There is also a problem in that an extra sealing material is needed to fill the backup material 8 that has been pushed too far beyond the predetermined position in the joint 7, which results in waste of cost.

Therefore, the backup material filling device in the conventional example has a problem that the backup material in the joint is uniformly attached at a predetermined position to improve the accuracy of the attachment work. .

[0011]

As a concrete means for solving the above-mentioned problems of the prior art, the present invention provides a backup material having a guide slit in the longitudinal direction and a guide hole provided at the lower end side of the guide slit. A backup material installation tool to be installed in a joint, comprising a moving means for moving along the upper edge of the joint, and a backup material pushing means attached to the moving means and engaging with the guide hole. The present invention provides a tool for mounting a backup material.

Further, the moving means comprises a hitting ruler having a convex portion along the joint and a handle provided on the hitting ruler, and the hitting ruler is transparent. In addition, the handle is configured such that a cassette in which the backup material is wound in a reel shape is detachably provided on the handle, and the hitting ruler includes the backup material. The configuration is such that a cutter for cutting is provided.

Further, the pushing means holds a long guide needle that engages with the guide hole, a depth adjusting rod that locks the guide needle and is vertically movable, and holds the depth adjusting rod. In addition, it is configured to include a receiving plate provided on the hitting ruler and a fixing screw provided on the receiving plate and for maintaining the depth adjusting rod in a fixed state.

[0014]

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Next, an example for carrying out the present invention will be described with reference to the drawings. First, FIG. 1 and FIG.
In the above, reference numeral 11 indicates a backup material installation tool, and reference numeral 12 indicates a backup material installed in a joint such as a wall surface by the installation tool 11.

The backup material 12 is made of a synthetic resin material such as foamed plastic and has a string-like shape having a predetermined length. In addition, the cross section of the backup material 12 is formed, for example, in a circular shape, an elliptical shape, a polygonal shape, or a substantially rectangular shape as shown in FIG.

As shown in FIG. 3, a guide slit 13 is formed on the outer peripheral surface of the backup material 12 along the lengthwise direction, and a substantially circular shape is formed on the lower end side of the guide slit 13. A guide hole 14 is provided.

The mounting tool 11 for the backup material is the joint 1
Moving means 17 for moving along the upper edge 16 of 5, and the guide hole 1 attached to this moving means 17
4 and a backup material pushing-in means 18 that engages with each other.

The moving means 17 is specifically a hitting ruler 1
9 and a handle 2 provided above the ruler 19
It consists of 0 and. The hitting ruler 19 has a predetermined size, and the convex portion 2 along the joint 15 is provided at a substantially central position on the lower side.
Has 1. In addition, joints 15 are provided on both sides of the convex portion 21.
Contact surfaces 22 that contact the upper edges 16 of the respective.

The hit ruler 19 may be formed of a transparent member such as plastic. In this case, the backup material 12 can be attached while visually observing a state in which the guide needle 23, which will be described later, is pushed in while engaging with the guide hole 14 of the backup material 12.

Specifically, the pushing means 18 includes a guide needle 23 that engages with the guide hole 14 of the backup material 12, a depth adjusting rod 24 that locks the guide needle 23 and is vertically movable. It comprises a receiving plate 25 that holds the depth adjusting rod 24 and is provided on the contact ruler 19, and a fixing screw 26 that is provided on the receiving plate 25 and that keeps the depth adjusting rod 24 in a fixed state.

The guide needle 23 is formed in the shape of a long rod, and is engaged with the guide hole 14 while being backed up.
2 is pushed into place.

The depth adjusting rod 24 has a predetermined length, and a scale 28 is formed on the surface thereof. The lower end side of the depth adjusting rod 24 locks the guide needle 23, and the upper end side is provided with a knob 27.

The receiving plate 25 is provided on the upper side of the hitting ruler 19 and is formed so as to hold the depth adjusting rod 24. A fixing screw 26 is provided on the receiving plate 25, and the fixing screw 26 maintains the depth adjusting rod 24 in a fixed state on the receiving plate 25.

Next, a method of mounting the backup material 12 in the joints 15 on the wall surface of a building using the above-described backup material mounting tool 11 will be described.

First, the depth adjusting rod 24 and the receiving plate 25
Move it up and down along the line to adjust to a predetermined length. At this time, if it is performed while visually checking the scale 28, the adjustment can be performed accurately and easily. After that, the fixing screw 2
6 is rotated to maintain the depth adjusting rod 24 in a fixed state.

Then, the backup material 12 is fitted into the opening of the joint 15 in advance. At this time, the guide slit 13 of the backup material 12 is positioned toward the opening of the joint 15.

Next, the guide needle 23 is inserted into the guide slit 13 and engaged with the guide hole 14. Then, the grip 20 is gripped by hand, and the hitting ruler 19 is moved along the upper edge 16 of the joint 15 (in the direction of the arrow shown in FIG. 1).

In this way, when the hitting ruler 19 is moved, the guide needle 23 moves in the joint 15 while engaging with the guide hole 14 and pushing it into a fixed position.
The backup material 12 can be evenly attached at a predetermined position in the joint 15.

When removing the guide needle 23 from the guide hole 14, the handle 20 of the hitting ruler 19 may be lifted upward while pressing the backup material 12 with a finger.

If the backup material 12 once installed in the joint 15 is further pushed by mistake, the guide needle 23 is engaged with the guide hole 14 again, and then the hitting ruler 19 is attached to the joint 15. By moving it again along the upper edge 16, the backup material 12 can be pulled back to a predetermined position.

Next, FIG. 4 shows a second embodiment. This second
In the embodiment, the same parts as those of the first embodiment are designated by the same reference numerals and the details thereof will be omitted. In the second embodiment, the cassette 30 is detachably attached to the handle 20 via the support arm 29. This support arm 29
Is formed to be rotatable in the direction of arrow A with the support member 33 as a fulcrum. Further, the cassette 30 is formed in a reel shape, and the backup material 12 is wound in advance by a predetermined length.

Further, the hit ruler 19 includes a cutter 31
Is attached, and the cutter 31 is rotatably formed in the direction of arrow B with the support member 32 as a fulcrum. In the cutter 31, a substantially U-shaped cutting portion 31b is formed slidably in the arrow C direction with respect to the base portion 31a.

In order to mount the backup material 12 in the joint 15 using the backup material mounting tool 11 of the second embodiment, the handle 20 is gripped by hand, and the contact ruler 1
When 9 is moved in the direction of arrow D along the upper edge 16 of the joint 15, the cassette 30 rotates and the backup material 12
Is automatically supplied.

Then, by sliding the cutting portion 31b in the direction of arrow C at a predetermined position, the backup material 12 is cut. Then, if the cutter 31 is rotated in the direction of arrow B and the support arm 29 is rotated in the direction of arrow A, the cutter 31 and the cassette 30 do not interfere even if the end of the joint 15 has a wall surface or the like.

[0036]

As described above, the backup material mounting tool according to the present invention has a guide slit in the length direction, and a backup material having a guide hole at the lower end of the guide slit is mounted in the joint. A tool for attaching a backup material, which comprises moving means for moving along the upper edge of the joint and pushing means for the backup material which is attached to the moving means and engages with the guide hole. Since the means engages with the guide hole of the backup material and moves in the joint while pushing it into a fixed position, the backup material can be evenly mounted at a predetermined position, and the accuracy of the mounting work can be improved. Produce the effect.

Even if the backup material once installed in the joint is accidentally pushed further, the pushing means is engaged with the guide hole again, and then the moving means is moved along the upper edge of the joint. Then, the excellent effect that the backup material can be pulled back to a predetermined position is exerted.

The moving means is composed of a contact ruler having a convex portion along the joint and a handle provided on the contact ruler, and the handle is grasped by the hand to project the convex portion along the joint. If the pushing means is moved together, it is possible to move the pushing means while keeping it in a stable position at a predetermined position.

Further, since the hitting ruler is formed of a transparent member, while visually observing the state where the guide needle is pushed in while engaging with the guide hole of the backup material,
Since the backup material can be attached, there is an excellent effect that the attachment work can be reliably performed.

Further, the handle is provided with a cassette in which the backup material is wound in a reel shape so as to be removable, and the hitting ruler is provided with a cutter for cutting the backup material, whereby the hitting ruler is jointed. The cassette is rotated and the backup material is automatically supplied by simply moving it along the upper edge of the cassette. Further, since the backup material can be easily cut by the cutter, there is an excellent effect that the working efficiency is improved.

Further, the pushing means includes a long guide needle that engages with the guide hole, a depth adjusting rod that locks the guide needle and is vertically movable, and holds the depth adjusting rod. Adjusting the length of the depth adjusting rod arbitrarily by comprising a receiving plate provided on the contact ruler and a fixing screw provided on the receiving plate and maintaining the depth adjusting rod in a fixed state. Therefore, the backup material to be pushed into the guide needle can be attached at any position in the joint. Therefore,
It has an excellent effect that a backup material can be attached to optimum positions of various joints.

[0042]

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view showing a state in which a backup material is attached in a joint using a backup material attachment tool according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a state in which the backup material is attached in the joint using the backup material attachment tool according to the first embodiment of the present invention.

FIG. 3 is a perspective view showing a part of a backup material according to the present invention.

FIG. 4 is a partially cutaway perspective view showing a state in which a backup material is attached in a joint using a backup material attachment tool according to a second embodiment of the present invention.

FIG. 5 is a perspective view showing a usage state of a backup material filling device according to a conventional example.

[Explanation of symbols]

1 Backup material filling machine 2 handle 3 long holes 4 rotating body 5 wheels 6 wall surfaces 7 joints 8 backup materials 11 Backup material installation tool 12 backup materials 13 Guide slit 14 Guide hall 15 joints 16 top edge 17 Means of transportation 18 Pushing means Ruler around 19 20 handles 21 convex 22 Contact surface 23 Guide needle 24 Depth adjustment rod 25 Receiver plate 26 fixing screws 27 picks 28 scale 29 Support arm 30 cassettes 31 cutter 31a base 31b cutting part 32 Support member 33 Support member

Claims (6)

(57) [Claims] 1. A backup material mounting tool for mounting a backup material having a guide slit in the length direction and having a guide hole on the lower end side of the guide slit in a joint, the tool being provided along an upper edge of the joint. A backup material attachment tool, comprising: a moving means for moving the backup material and a backup material pushing means that is attached to the moving means and engages with the guide hole. 2. The tool for mounting a backup material according to claim 1, wherein the moving means includes a hitting ruler having a convex portion along the joint and a handle provided on the hitting ruler. 3. The backup material mounting tool according to claim 2, wherein the contact ruler is formed of a transparent member. 4. The backup material mounting tool according to claim 2, wherein the handle is provided with a cassette in which the backup material is wound in a reel shape, which is detachable. 5. The hitting ruler is provided with a cutter for cutting the backup material,
The tool for mounting the backup material according to 3 or 4. 6. The pushing means includes a long guide needle that engages with the guide hole, a depth adjusting rod that locks the guide needle and is vertically movable, and holds the depth adjusting rod. The receiving plate provided on the contact ruler, and a fixing screw provided on the receiving plate and for maintaining the depth adjusting rod in a fixed state, 6. Installation tool for the backup material described in.