JPH0868407A - Fastening tool for heat insulating mat - Google Patents

Abstract

PURPOSE: To safely execute the attachment of a heat insulating mat to fastening tools as well as to easily and cerainly attach many stinger pieces on the wall surface of a member which requires to be thermally insulated. CONSTITUTION: A sheet main body 11 is prepared by a sheet metal material, and many stinger pieces 13 having slender shell parts 14 whose base parts are connected to the main body 11 by partially notching the body part of the main body 11 and sharp head parts which are parted from the main body 11 and also integrally connected to the tip end parts of the shell parts 14, are formed at predetermined intervals so that the main body 11 can be fixed on the wall surface of a member which requires to be thermally insulated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat insulating mat for stopping a heat insulating mat such as a glass wool mat or a ceramic mat on the wall surface of a member requiring heat insulation such as the surface of an air conditioning duct or the back surface of a metal sheet roof. It is related to the fastener.

[0002]

2. Description of the Related Art As a conventional technique, there is one shown in FIGS. In FIG. 11, reference numeral 1 denotes a duct that is provided in the space above the ceiling of the building, for circulating cold air or warm air sent from the air conditioner. Small object stoppers 2 are fixed to the surface of the duct 1 at a predetermined interval. The stopper 2 comprises a piercing pin 4 made of a soft wire material, which is erected and fixed to the center of a base 3 formed in a square shape by a sheet metal material. By fixing the base 3 to the surface of the duct 1 with an adhesive, The stab pin 4 is fixed upright on the surface of the duct 1.

As shown in FIGS. 12 and 13, a heat insulating mat 6 made of glass wool is attached to the outer peripheral surface of the duct 1, and the piercing pin 4 is penetrated through the heat insulating mat 6 to be exposed from the heat insulating mat 6. The washer 5 is inserted into the tip 4a of the stab pin 4, the heat insulating mat 6 is compressed by the washer 5, and then the tip 4a of the stab pin 4 is bent to prevent the washer 5 from coming off the stab pin 4.
6a is an aluminum foil fixed to the surface of the heat insulating mat 6.

[0004]

In the above-mentioned prior art, since the stoppers 2 for small articles are fixed to the outer peripheral surface of the duct 1 that is piped at a predetermined pitch, it is troublesome to fix the stoppers 2. In addition, the fixing position of the stopper 2 becomes inaccurate, and the stopping force of the heat insulating mat 6 becomes unstable. In addition, since each piercing pin 4 of each stopper 2 fixed to the duct 1 is erected from the outer peripheral surface of the duct 1, especially when the heat insulating mat 6 is attached to the duct 1 in a narrow space such as a ceiling space. However, there is a drawback that the piercing pin 4 easily pierces a finger, an arm, a head or the like, resulting in poor safety. It is an object of the present invention to provide a novel heat insulating mat stopper that overcomes the above drawbacks.

[0005]

The present invention is configured as follows to achieve the above object. That is, a sheet-shaped main body is provided by a sheet metal, and a slender body portion in which the base portion is connected to the main body by locally cutting out the meat portion of the main body inside the main body, and the body portion separated from the main body portion A large number of stab pieces having a sharp head integrally connected to the tip end of the are formed at predetermined intervals and the main body is fixed to the wall surface of a member requiring heat insulation. In this case, it is preferable to provide a locking portion that projects laterally with respect to the body portion on the base portion side of the head portion.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. 1 is a partial plan view of a stopper according to the present invention, FIG. 2 is a sectional view taken along line II-II of FIG. 1, FIG. 3 is an enlarged plan view of an essential portion of the stopper according to the present invention, and FIG. 4 is its IV-IV. FIG. FIG.
In the figure, 10 is a stopper of the heat insulating mat, and a sheet metal material is cut and cut by a press machine (not shown) to form a main body 11 having a long and narrow strip in the left-right direction, and inside the main body 11, Left and right stab piece 13 (longitudinal)
It is formed at a predetermined interval in the direction.

The stab piece 13 is formed by surrounding the meat portion of the main body 11 in the notch 12 which is locally cut out. That is, as shown in FIG. 3, a body 14 having a right end (base) connected to the main body 11 and elongated in the left-right direction, and a head 15 protruding leftward from the left end of the body 14 are integrally provided. Then, the head portion 15 is formed into a triangular shape in a plan view that gradually becomes wider toward the right side, and a locking portion 15a that projects laterally with respect to the body portion 14 is formed at the right end of the head portion 15.

Further, as shown in FIGS. 3 and 4, a rib 16 extending in the left-right direction is formed at the center of the stab piece 13 in the width direction to enhance the bending rigidity of the stab piece 13. 18, 19
Is a slit in the width direction formed in the base portion of the body portion 14 and the base portion of the head portion 15, and is for defining the bending position of the body portion 14 and the head portion 15. Reference numeral 17 denotes a stop hole 17 for fixing the main body 11 to the wall surface of a member requiring heat insulation, which is brought closer to the base (right end) side of the stab piece 13 and
Open to

The main body 11 is extendedly arranged along the wall surface of the member 23 requiring heat insulation, such as an air conditioning duct, the backside of a roof with a metal plate, etc., and the member is provided with a stopper hole 17 by means of screws, rivets or welding. Fix it to the wall of 23. And
As shown in FIG. 5, a required predetermined stab piece 13 is raised in a direction orthogonal to the member 23, and the stab piece 13 is pierced with a heat insulating mat 24 made of glass wool so that the member 23
The head 15 is exposed upward (outside) from the heat insulating mat 24 while covering the wall surface of. Insulation mat 24 for head 15
When exposed from above, the locking portion 15a engages with the upper surface of the heat insulating mat 24 to temporarily fix the heat insulating mat 24 to the member 23. Then, as shown in FIG. 6 and FIG.
Is manually bent to press and lock the upper surface of the heat insulating mat 24. Incidentally, 24a is an aluminum foil fixed to the surface of the heat insulating mat 24.

Here, when the stab piece 13 is raised in the direction orthogonal to the member 23, the stab piece 13 is regularly bent around the slit 18 provided at the base portion of the body portion 14, and similarly the head portion 15 is provided at the base portion thereof. Since the slits 19 are regularly bent, the stoppers 10 lock the heat insulating mat 24 with a uniform pressing force. The size between the slits 18 and 19 is set to be slightly smaller than the thickness of the heat insulating mat 24.

8 and 9 show another embodiment. In this case, the head portion 15 is bent by a washer 20. As shown in FIG. 10, this washer 20 is formed of a sheet metal into a square or rectangular shape, and is formed with an elongated fitting portion 21 in which the central portion is cut and the cut portion is deviated in the thickness direction. ,
A stab piece 1 in which the fitting portion 21 is erected as shown in FIG.
3, the washer 20 is tilted in the horizontal direction to bend the head 15, and the washer 20 and the head 15 press and lock the upper surface of the heat insulating mat 24.

The width of the fitting portion 21 of the washer 20 is made slightly smaller than the width of the base portion of the head portion 15 of the stab piece 13 as shown in FIG.
As shown in FIG. 5, when the fitting portion 21 is fitted to the head portion 15, the engagement amount of the fitting portion 21 is regulated to a predetermined value by the locking portion 15 a so that the upper end of the washer 20 is positioned above the head portion 15. Position it above. This prevents the head 15 from sticking to a finger or the like. The stopper 10 described above may be formed in a rectangular main body at predetermined intervals in the vertical and horizontal directions.

According to the above-described embodiment, the flesh portion of the main body 11 formed in a band shape or a square shape is locally cut out to form a large number of stab pieces 13, and the main body 11 on which the stab pieces 13 are formed, that is, Since the stopper 10 is fixed to the wall surface of the member 23 requiring heat insulation, a large number of stab pieces 13 are attached to the member 23.
Can be installed easily and accurately. Further, since each stab piece 13 attached to the member 23 is laid down along the wall surface of the member 23 and can be easily erected, when the heat insulating mat 24 is attached, the stab piece 13 of the preceding stage which is necessary is attached. Since only the stand can be erected and inserted into the heat insulating mat 24, when the heat insulating mat 24 is attached, the piercing piece 13 in the subsequent stage does not get stuck in a finger, an arm or the like, and the work of attaching the heat insulating mat 24 can be performed safely.

[0014]

As is apparent from the above description, according to the present invention, a large number of stab pieces can be easily and accurately attached to the wall surface of a member requiring heat insulation, and the heat insulating mat can be attached safely. Play.

[Brief description of drawings]

FIG. 1 is a partial plan view of a stop according to the present invention.

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

FIG. 3 is an enlarged plan view of a main part of the stopper according to the present invention.

FIG. 3 is a IV-IV sectional view thereof.

FIG. 5 is an enlarged cross-sectional view of an essential part showing a usage state of the stopper according to the present invention.

FIG. 6 is an enlarged cross-sectional view of a main part of the heat insulating mat locked with the stopper according to the present invention.

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

FIG. 8 is an enlarged cross-sectional view of a main part of the stopper according to the present invention with a washer fitted to the head.

FIG. 9 is an enlarged cross-sectional view of a main part of the stopper in which the head of the stopper is bent by a washer.

FIG. 10 is a perspective view of a washer according to the present invention.

FIG. 11 is a perspective view showing a mounting state of a conventional stopper.

FIG. 12 is an enlarged cross-sectional view of a main part in a state where a heat insulating mat is inserted in a conventional stopper.

FIG. 13 is an enlarged cross-sectional view of a main part in a state where the heat insulating mat is locked by a conventional stopper.

[Explanation of symbols]

 10 Stopper 11 Main body 12 Notch 13 Stab piece 14 Body 15 Head 15a Locking part 16 Rib 17 Stopper hole 18 Slit 19 Slit 20 Washer 21 Fitting part 23 Insulation part 24 Insulation mat 24a Aluminum foil

Claims (2)

[Claims] 1. A sheet-shaped main body is provided by a sheet metal, and an elongated body portion in which the base portion is connected to the main body by locally cutting out a meat portion of the main body inside the main body, and the main body is separated from the main body. A plurality of stab pieces having a sharp head integrally connected to the tip of the body are formed at predetermined intervals, and the main body is fixed to a wall surface of a member requiring heat insulation. Insulation mat stopper. 2. The stopper for a heat insulating mat according to claim 1, wherein a locking portion that projects laterally with respect to the body is provided on the base side of the head.