JPH0741028U - Mounting member - Google Patents

Abstract

(57) [Abstract] [Purpose] A mounting member that can be easily mounted by driving in one direction, has a strong pull-out resistance, and has a wide range of application to the thickness of the holder. (EN) Provided is a mounting member which can be applied to both cases where a shaft portion projects to the back surface of the holding body such as a holding body and cases where the entire shaft portion is buried in a mounting hole like a holding body of a concrete fence. [Structure] A fastening member 10 having a shaft portion 11 that is fitted into mounting holes 31 and 41 formed in a holding body 30 and a mounting object 40 and positioned by a head portion 12, and formed in the shaft portion 11. Is a mounting member 1 including a pin 20 that is driven into the pin hole 13, and a notch 1 in which the shaft portion 11 is formed in the axial direction.
It is configured by at least two shaft pieces 11b which spread independently from each other by 1c, and a protrusion 11a which protrudes inside the pin hole 13 of the shaft piece 11b and is located in the axial direction.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention is a member for attaching an object to be attached such as an interior material or an exterior material to a holder such as a wall or an iron frame. For example, it is fitted into a mounting hole provided in the wall and the interior material and The present invention relates to a mounting member that is mounted from the direction.

[0002]

[Prior art]

 There are various cases for attaching an object to be attached to a holder. For example, there are mounting of interior materials on wall surfaces, laying of corrugated plates on iron frames, and mounting of plate materials on concrete walls. Various methods and members have been provided for each.

Among these, various types of mounting members, such as those described below, have been provided as a mounting member of a type that is inserted into a mounting hole provided in a holder and an object to be mounted and is mounted from the fitting direction. ing.

[0004] For example, there is a screw grommet proposed in Japanese Utility Model Publication No. 4-6364, which is a method in which a holder and a mounting hole formed in an object to be mounted are polymerized and a grommet inserted into the screw is screwed. Is to be screwed on.

Further, there is a mounting member proposed in Japanese Utility Model Laid-Open No. 55-62471, in which a grommet is inserted into a mounting hole that is similarly polymerized, and a pin is driven into the grommet to mount the grommet.

[0006] Furthermore, a concrete fence or the like is provided with a mounting member as shown in FIG. 11, in which a fastening material having a notch for expansion is inserted into a mounting hole that is polymerized as described above. The screw is screwed to this and is attached by the expansion force.

These types of mounting members were prepared and used according to the depth of the mounting holes that were polymerized and the pulling force applied to the mounting members.

[0008]

【Task】

 Among the above-mentioned mounting members, although the ones using screws are sure to be mounted, there is a drawback that the screwing work of the screws is necessary and the mounting work is troublesome.

[0009] Although a mounting member such as a pin that is driven in is easy to mount, the pulling resistance is generally weak.

Further, in any of the mounting members, different types of mounting members had to be prepared depending on the depths of the mounting holes.

The present invention has been made in view of the above circumstances, has a simple structure, can be easily attached by a driving operation from one direction, has a strong pulling-out resistance, and has a meat holding body. It is a mounting member that has a wide range of application for thickness, and when the shaft part protrudes to the back of the holder like a plate-shaped holder, or when the entire shaft part is embedded in the mounting hole like a concrete fence holder. It is to provide a mounting member applicable to any of the above.

[0012]

[Means for Solving the Problems]

 As a means for solving the above problems, the present invention provides a "fastening having a shaft portion 11 which is fitted into mounting holes 31 and 41 formed in a holding body 30 and a mounting object 40 and is positioned by a head portion 12. A mounting member 1 comprising a material 10 and a pin 20 driven into a pin hole 13 formed in a shaft portion 11, wherein the shaft portion 11 is expanded independently of each other by a notch 11c formed in the axial direction. The mounting member 1 "is characterized in that it is composed of at least two shaft pieces 11b and a protrusion 11a that protrudes inside the pin hole 13 of the shaft piece 11b and is located in the axial direction.

It is preferable that the diameter of the pin 20 is slightly smaller than that of the pin hole 13 to be driven in, and that the pin hole is narrower than the thickness of the pin 20 to be driven in by the protrusion 11a provided inside. Further, the length of the pin 20 is preferably equal to the length of the pin hole 13.

The material of the mounting member 1 is preferably one having compression elasticity, and plastic or the like is suitable. The material used for the pin 20 is preferably the same as or harder than the fastening material 10.

[0015]

[Function of the device]

 According to the mounting member of the present invention, the following effects can be obtained. First of all, the simple structure facilitates the manufacture, and the number of steps, for example, plastic molding, can be reduced.

Next, in the mounting work, as shown in FIG. 1 or FIG. 4, etc., the fastening member 10 is inserted from one of the mounting holes 31 and 41, and is pushed in by the head 12 until it is stopped, and the side where it is pushed in. It is possible to mount it only by driving the pin 20 into the head 12.

Further, as shown in FIG. 5, the protrusion 10 a of the fastening member 10 is pressed by the pin 20 driven into the pin hole 13 of the fastening member 10 so that the shaft 11 is expanded. As a result, the shaft portion 11 is pressed into close contact with the mounting hole 31 and has pull-out resistance. As a result, the attachment object 40 can be attached to the holding body 30 such as a wall or an iron frame by the head portion 12.

Moreover, the protrusion 11a provided on the inner side of the shaft piece 11b has a property of easily absorbing the pressing force of the pin 20 due to the protruding shape or the like. In other words, the protrusion 11a has a property of large expansion / contraction deformation. . As a result, the adaptability to the play generated between the shaft portion 11 and the mounting hole 31 is increased, and the adhesion of the shaft portion 11 to the mounting hole 31 is stable and a strong pull-out resistance force is obtained. Furthermore, a stable and strong pull-out resistance can be obtained even if the diameter of the mounting hole 31 varies.

Further, since the protrusion 11a can be pressed by the pin 20 over the entire length thereof, the shaft portion 11 related to the mounting hole 31 is pressed and closely adhered to the mounting hole 31 by the depth of the hole and protruded to the back surface of the holder 30. The remaining shaft portion 11 expands as a shaft piece 11b from the protruding root. Since this action does not depend on the depth of the mounting hole 31, that is, the wall thickness of the holding body 30, after all, the same action can be obtained regardless of whether the holding body 30 is thin or thick as shown in FIG. 5 or 7. .

Finally, in the case where the shaft portion 11 projects to the back surface of the holding body 30 like the plate-shaped holding body 30, the shaft projecting to the back surface of the holding body 30 due to the shaft portion expanding force to the mounting hole 31. The attachment member 1 obtains pull-out resistance by expanding the portion 11 into the individual shaft pieces 11b. Further, when the entire shaft portion 11 is buried in the mounting hole 31 like the concrete fence holder 30, the mounting member 1 obtains pull-out resistance force due to the expanding force of the buried shaft portion 11 as a whole. In other words, the pulling resistance can be obtained regardless of the shape of the mounting hole 31.

[0021]

【Example】

 A mounting member 1 according to an embodiment of the present invention is a pair of a fastening member 10 and a pin 20 driven into the fastening member 10.

The fastening member 10 is made of polypropylene, and is of a substantially rivet type having a head portion 12 at one end of a shaft portion 11 having an outer diameter of 6 mm as shown in FIG. A pin hole 13 of a concentric shaft penetrates the inside of the shaft portion 11 with an inner diameter of 5 mm, that is, the shaft portion 11 has a substantially cylindrical shape, and a pin 20 described later is driven therein.

The pin 20 is made of 6-nylon G30, which is harder than the fastening material 10. The pin 20 has a cylindrical pin shaft 21 and a pin head 22 at one end thereof. It is a small rivet type. The pin shaft 21 has a diameter of 4.3 mm, that is, slightly smaller than the pin hole 13. The total length of the pin 20 is 25 mm, which is the same length as the fastening material 10.

The shaft portion 11 has four notches 11c in the axial direction at equal intervals. Therefore, the shaft portion 11 is a collection of four shaft pieces 11b. On the inner side of the shaft piece 11b, a ridge 11a having a rectangular cross section is projected with a height of 0.7 mm and a width of 0.5 mm, and one ridge is provided over the entire length of the shaft piece 11b.

As described above, the diameter of the pin 20 is slightly smaller than that of the pin hole 13 into which the pin 20 is driven. However, the pin hole is narrowed by the protrusion 11a on the inner side, so that the pin 20 is hard to be driven in the end.

Further, the head portion 12 is provided with a storage hole 14 for storing the pin head 22 when the driving of the pin 20 is completed.

The following three usage examples using the above mounting members will be described. (Example 1 of use) When the frame assembled with the L-shaped steel 30a is used as a holder and the corrugated plate 40a stretched over the holder is used as an object to be attached, the attachment member 1 of the present invention can be used as follows.

As shown in FIG. 4, the mounting surface 32 of the L-shaped steel 30a is provided with a mounting hole 31a having the same diameter as the shaft portion 11 of the mounting member 1. The corrugated plate 40a is applied to the mounting surface 32, the fastening member 10 is inserted from the corrugated plate side of the superposed mounting holes 31a and 41a, and the pin 20 is driven from the head 12 thereof.

Then, the pin 20 is driven into the pin hole 13 narrowed by the protrusion 11a while pressing each protrusion 11a, whereby the shaft portion 11 obtains the expanding force. Therefore, the neck portion 11d that is locked in the mounting hole 31a is pressed into close contact with the mounting hole 31a with a strong expansion force, and the shaft portion 11b is expanded and locked on the back surface of the L-shaped steel 30a beyond the neck portion 11d. Has power (Fig. 5). In short, when the pin is driven in, the shaft expands and the shaft piece expands. In this way, the neck portion 11d that is pressed into close contact with the mounting hole 31a and the shaft piece 11b that is expanded on the back surface have pullout resistance. Further, the pin head 22 is housed in the housing hole 14 of the head 12 to be integrated.

(Use Example 2) In Use Example 1, when the holder is the plate 30b having a thickness of 10 mm and the mounting member of the present invention is used, the difference from Use Example 1 will be mainly described.

In this example of use, as shown in FIG. 6, a mounting hole 31b having the same diameter as that of the shaft portion 11 is opened in the plate, and the mounting member 1 is fitted and inserted through the corrugated plate to which the mounting is applied.

The shaft portion 11 is buried by about 10 mm near the neck portion 11d in the mounting hole 31b, and the driven pin pushes the shaft portion 11 into close contact with the mounting hole 31b. The remaining shaft end 11e is projected toward the back surface of the plate and spreads out (FIG. 7). Since the shaft piece 11b projecting on the back surface is shorter and smaller than the case of the use example 1, the locking force is slightly weakened. However, since the pressing contact portion to the mounting hole 31b extends to a depth of about 10 mm, the pulling resistance force is stronger than that of the first use example. In this way, a strong pull-out resistance force is obtained due to the pressure close contact with the mounting hole 31b and the locking force of the expanded shaft piece 11b.

(Use Example 3) Next, as shown in FIG. 8, a case will be described in which the concrete wall 30c is used as a holding body, and the plate 40c attached to this is used as an attachment.

A plate 40c is applied to the concrete wall 30c, and mounting holes 31c and 41c are drilled from above with a drill having the same diameter as the shaft portion 11. The mounting hole 31c is deep enough to fill the entire shaft 11. The fastening member 20 is fitted into this mounting hole, and the pin 20 is driven from the head 12. The pin hole 13 is narrowed by the ridge 11a, and therefore the pin 20 tries to press the ridge 11a to widen the shaft piece 11b. On the other hand, the entire shaft portion 11 is buried in the mounting hole 31c, and as a result, the entire shaft portion 11 is pressed and brought into close contact with this mounting hole to obtain a strong pull-out resistance force.

The mounting member of the present invention is not limited to that of the above embodiment, and for example, the number of shaft pieces is not limited to four pieces. Further, the number of protrusions provided on the shaft piece may be two or more. Furthermore, the following may be performed.

First, there is a method in which the height of the protrusion 11a is slightly inclined in the axial direction so that the height becomes higher toward the tip 11e (FIG. 9). As a result, the pin hole 13 is tapered and the pullout resistance is increased.

There is also a method of additionally forming a cap-shaped conical portion 15 on the tip portion 11e (FIGS. 9 and 10). As a result, the shaft portion 11 has an arrowhead shape, which facilitates positioning and insertion into the mounting hole 41. If the notch 11c of the shaft portion 11 is extended on the side surface of the conical portion 15, it does not hinder the expansion. If the apex of the conical portion 15 that is the tip of the shaft piece is connected so as to be easily cut, the shaft pieces 11b do not come apart, and the insertion into the mounting hole 41 becomes easier.

Furthermore, there is a method in which an inserting portion 21a, which is thinner than the pin shaft body, is provided at about 5 mm at the tip of the pin, and the tip of the pin 20 is inserted into the fastening material 10 in advance (FIG. 9). . As a result, there is no inconvenience that the pair of mounting members 1 is dislocated. This eliminates the need to match the number of the fastening members 10 and the pins 20 when assembling the mounting members, and at the time of mounting work, if the fastening members 10 are only inserted into the mounting holes 41, only pinning is required. Of course, since it is not necessary to insert the pin 20 into the head 12 one by one, it is possible to save a great deal of trouble when handling a large number of mounting members 1.

Alternatively, the mounting can be made more reliable by providing a shape that opposes the pulling force, such as providing a barb 21b on the surface of the pin shaft 21.

Finally, the mounting member of the present invention is not limited to the materials shown in the embodiments. That is, the material used for the pin 20 may be any material as long as it does not bend at the time of driving and is not defeated by the protrusion 11a, and generally, a material harder than the fastening material 10 is preferable.

In addition, the material used for the fastening material 10 does not break even when the pin 20 is driven, the pressed ridge 11a can retain the return elasticity, and the shaft piece 11b can be retained when the pin 20 is driven. Anything is acceptable as long as it is soft enough to be expanded.

As described above, the mounting member 1 of the present invention has a wide range of application and can be used not only for the examples in the embodiments but also for the interior of a room or the interior of an automobile.

[0043]

[Effect of device]

 The mounting member of the present invention has a simple structure and is easy to manufacture, and therefore, it is cost-effective. In addition, during the installation work, the installation can be easily done by driving in from one direction.For example, when making a roof with corrugated sheet, it is possible to perform the corrugated sheet work that was conventionally done from the inside and outside of the roof from one side. it can. Furthermore, since the adhesion between the mounting member and the mounting hole is high, the pullout resistance is strong, and the "efficacy" does not vary even when a large number of mounting members are used. In addition, it is a mounting member with a wide range of application to the wall thickness of the holding body, and the same mounting member can be used for both thin and thick holding bodies as long as the diameter of the mounting hole is the same. . Alternatively, it can be applied to both a case where the shaft portion projects to the back surface of the holder like a plate-shaped holder and a case where the entire shaft portion is embedded in the mounting hole like a holder made of concrete fence. Therefore, the number of types of mounting materials to be prepared during work is small, and the product lineup is easy.

[Brief description of drawings]

FIG. 1 is a pattern diagram using an embodiment of a mounting member according to the present invention.

FIG. 2 is a front sectional view of the mounting member shown in FIG.

3 is a cross-sectional view taken along the line AA of the fastener shown in FIG.

FIG. 4 is a pattern diagram before mounting using the mounting member shown in FIG. 1 in Use Example 1;

FIG. 5 is a pattern diagram after mounting using the mounting member shown in FIG. 1 in Use Example 1;

FIG. 6 is a pattern diagram before mounting using the mounting member shown in FIG. 1 in Use Example 2;

FIG. 7 is a pattern diagram after mounting using the mounting member shown in FIG. 1 in Use Example 2;

FIG. 8 is a cross-sectional pattern diagram in which the mounting member shown in FIG. 1 is used in Use Example 3;

FIG. 9 is a front sectional view of another embodiment of a mounting member according to the present invention.

FIG. 10 is a perspective view of a part of the fastening material shown in FIG.

FIG. 11 is a pattern diagram of an example of a conventional mounting member.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Mounting member 10 Fastening material 11 Shaft part 11a Projection 11b Shaft piece 11c Notch 11d Neck part 11e Tip part 12 Head part 13 Pin hole 14 Storage hole 15 Conical part 20 pin 21 Pin shaft 22 Pin head 30 Holding body 31 Mounting hole 40 Covered Attachment 41 Attachment hole

Claims (1)

[Scope of utility model registration request] 1. A fastening member having a shaft portion which is fitted into a mounting hole formed in a holder and an object to be mounted and positioned by a head, and a pin driven into a pin hole formed in the shaft portion. A mounting member consisting of at least two shaft pieces that expand the shaft portion independently of each other by a notch formed in the axial direction, and project inward of the pin hole of the shaft piece and are positioned in the axial direction. A mounting member characterized by being formed by a ridge.