JPH0624212U - Sheet material fixed structure - Google Patents

Abstract

(57) [Summary] (Correction) [Purpose] To make it possible to remove the seat material from the stud bolts with the seat material easily attached and with the clip attached. [Structure] In a fixing structure in which a sheet material 1 in which a stud bolt 8 is inserted and positioned in through-holes 6 and 7 is fixed on an underfloor 3, a resin cap member 15 attached so as to cover an insertion portion of the stud bolt 8 , A clip 2 that is coupled and engaged with the cap member 15, and after the clip 2 is attached to the attachment holes 6 and 7 of the sheet material 1 and then attached to the stat bolt 8 via the cap member 15. To do. Further, the cap 2 connects the first clip piece 22A and the second clip piece 22B to the connecting piece 22C.
The structure is such that both clip pieces can be handled as one unit at all times before and after mounting work.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a sheet material fixing structure in which a sheet material such as a carpet or an insulator is fixedly attached to an underfloor of an automobile.

[0002]

[Prior art]

 FIG. 3 schematically shows a vehicle interior structure of a general automobile. A sheet material 1 such as an insulator or a floor carpet is laid on the underfloor in the interior of an automobile for the purpose of sound insulation and decoration, and is held by a clip 2 so as not to roll up.

FIG. 4 is a sectional view of a conventional structure of a portion corresponding to the line AA in FIG. In FIG. 4, the sheet material 1 is composed of an insulator 4 and a floor carpet 5 laid on the underfloor 3, and mounting holes 6 and 7 vertically penetrate through the insulator 4 and the floor carpet 5, respectively. Is provided. Further, the insulator 4 has a structure in which a rubber 4a and a felt 4b are laminated.

On the other hand, a stud bolt 8 is erected on the underfloor 3 so as to correspond to the mounting holes 6 and 7. The clip 2 is fixed to the stud bolt 8 after the sheet material 1 is mounted. Then installed.

The clip 2 has a body portion 12a having an engaging hole 11 into which the stud bolt 8 is inserted and engaged, and a dish-shaped portion 12b provided at one end of the body portion 12a. The engaging claw 10 is provided in the engaging hole 11 and engages with a thread groove provided on the outer periphery of the stud bolt 8 inserted into the engaging hole 11 to prevent the clip 2 from coming off. Are formed.

In this structure, when the sheet material 1 is mounted on the underfloor 3, first, the mounting holes 6 and 7 are engaged with the stud bolts 8 to place the insulator 4 and the floor carpet 5 on the underfloor 3. Lay. Next, the clip 2 is pressed against the stud bolt 8 through the mounting holes 6 and 7, and the stud bolt 8 is inserted and engaged in the engagement hole 11. Then, the upper surface of the sheet material 1 is pressed by the dish-shaped portion 12b of the clip 2, and the engaging claw 10 is engaged with the outer peripheral thread groove of the stud bolt 8 to attach the clip 2 in a state where the clip 2 is prevented from coming off.

[0007]

[Problems to be solved by the device]

 However, in the above-described conventional structure of the sheet material, in the mounting hole 6 of the insulator 4 and the mounting hole 7 of the floor carpet 5, the insulator 4 and the floor carpet 5 are provided in the thread groove provided on the outer peripheral surface of the stud bolt 8 at the time of mounting. Generally, the workability is poor, for example, it is not inserted smoothly and the insulator 4 or the carpet 5 is caught in the outer peripheral thread groove and flipped up, which is troublesome to fix. was there. Further, when the clip 2 is removed from the stud bolt 8, the clip 2 also comes off from the sheet material 1, so that there is a problem that the clip 2 is easily lost when it is removed for maintenance or the like, and the handling is troublesome.

The present invention has been made in view of the above problems, and an object thereof is to facilitate workability of attaching a sheet material and to remove the sheet material from a stud bolt with a clip attached. The purpose is to provide a structure for fixing sheet materials that has a structure that makes it difficult to lose clips.

[0009]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention is to fix a sheet material positioned and arranged on the base by inserting a stud bolt on the base into a mounting hole that penetrates vertically. A resin cap member having a locking portion and attached to cover the insertion portion of the stud bolt, and a clip coupled and engaged with the cap member are provided. A first clip piece having a cylindrical main body part having an engaging hole and being inserted into and attached to the attachment hole, and a flange-like part formed at one end outer peripheral portion of the main body part; and the cap member. A main body portion having a second engaging hole inserted and engaged in the center and inserted into and attached to the first engaging hole; and a collar-shaped portion formed on an outer peripheral portion of one end of the main body portion. The second clip piece and the front A flexible connecting piece that connects the brim-shaped portion of the first clip piece and the brim-shaped portion of the second clip piece is integrally provided and formed of a resin material. The main body portion of the first clip piece and the main body portion of the second clip piece are inserted into the mounting hole from above and below the sheet material facing each other, respectively. The main body of the second clip piece is inserted and engaged in the hole, and the upper and lower surfaces of the sheet material are sandwiched by the flange-shaped portion of the first clip piece and the flange-shaped portion of the second clip piece. In a state where the clip is attached to the sheet material, and then the stud with the cap attached is inserted into and engaged with the second engagement hole to fix the sheet material on the base. Is.

[0010]

[Action]

 According to this structure, since the resin cap member is attached to the insertion portion of the stud bolt so as to cover this portion, when the stud bolt is inserted and engaged in the attachment hole of the sheet material, It is possible to smoothly insert and engage the sheet material without the sheet material being caught around and being rolled up. Also, the clip is designed to be attached to the stud bolt through the cap member after it has been attached to the attachment hole of the sheet material, so even after removing it from the stud bolt side for maintenance, etc., the clip is attached to the attachment hole of the sheet material. Can be installed. Further, since the clip connects the first clip piece and the second clip piece with the connecting piece, the clip can be integrally handled before being attached to the sheet material and after being removed.

[0011]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 shows a fixing structure according to an embodiment of the present invention. FIG. 1 is a sectional view of a portion corresponding to the line AA in FIG. 3, and FIG. 2 is an exploded perspective view of a main part of the fixing structure shown in FIG. Is. Further, in FIG. 1 and FIG. 2, the same reference numerals as those in FIG. 3 and FIG. 4 denote the same as those in FIG. 3 and FIG.

1 and 2, the sheet material 1 is made up of an insulator 4 and a floor carpet 5 and the like like the sheet material 1 shown in FIG. 4, and the insulator 4 and the floor carpet 5 respectively have the same structure. Mounting holes 6 and 7 are provided so as to penetrate vertically, and the insulator 4 has a structure in which a rubber 4a and a felt 4b are laminated.

On the other hand, on the underfloor 3 serving as a base member, stud bolts 8 are fixedly installed by welding or the like in correspondence with the mounting holes 6 and 7, and the stud bolt 8 is provided with a resin cap. A member 15 is attached.

The cap member 15 integrally has a collar-shaped portion 17 on one end side of the shaft-shaped body portion 16, and a fitting hole 18 is provided from the lower surface of the collar-shaped portion 17 toward the inside of the body portion 16. The insertion portion of the stud bolt 8 can be fitted into the fitting hole 18. The other end of the main body 16 is formed in a tapered shape, and an engaging groove 19 is formed at the base of the tapered portion. Further, on one end side of the main body portion 16, a pair of locking pieces 21 having a U-shaped slit 20 having an open portion on the side of the collar-shaped portion 17 are provided at positions displaced by 180 degrees from each other. A locking claw 21a that is engaged with the outer peripheral thread groove of the stud bolt 8 is integrally formed at the inner tip of the locking piece 21. The cap member 15 thus formed is attached to the stud bolt 8 so that the stud bolt 8 is inserted into the fitting hole 18. Further, after the stud bolt 8 is inserted, the locking claw 21a of the locking piece 21 is engaged with the outer peripheral thread groove of the stud bolt 8 and retained and retained.

On the other hand, the sheet material 1 is attached to the stud bolt 8 to which the cap member 15 is attached via a clip 2. The clip 2 here has a first strip 22A, a second strip 22B, and a flexible strip-shaped member formed by connecting the first strip 22A and the second strip 22B to each other. It has a connecting piece 22C and is integrally formed of a resin material.

The clip 2 will be described in more detail. The first clip piece 22A is formed in a substantially tubular shape with an outer diameter smaller than the inner diameter of the mounting hole 6 of the floor carpet 5, and has a first engagement at the center. It is formed integrally with a tubular main body portion 24 provided with a hole 23 and a flange-shaped portion 25 formed on one end outer peripheral portion of the main body portion 24. In addition, the engaging protrusion 26 is integrally formed in the first engaging hole 23 in a circular state.

The second clip piece 22B is formed in a substantially cylindrical shape with an outer diameter smaller than the inner diameter of the first engagement hole 23 in the first clip piece 22A, and the cap member 15 is inserted and engaged in the center. The main body 28 has a cylindrical main body 28 provided with the second engaging hole 27, and the main body 28 has a brim-shaped portion 29 provided on the outer periphery of one end of the main body 28. In addition, in the second engagement hole 27, an engagement protrusion 30 is integrally formed in a circular state so as to be engageable with the engagement groove 19 of the cap member 15. Further, on the outer peripheral surface of the main body portion 28, a pair of engagement protrusions 31 are provided at positions displaced from each other by 180 degrees so as to be engageable with the engagement protrusions 26 of the first clip piece 22A. .

The connecting piece 22C connects the brim-shaped portion 25 of the first clip piece 22A and the brim-shaped portion 29 of the second clip piece 22B, and its length is the outer circumference of the floor carpet 5. It is formed to be slightly longer than the length from the surface to the mounting hole 7 and is slightly larger than that of the floor carpet 5. By turning the outside of the floor carpet 5, the first clip piece 22A and the second clip piece 22B are attached to the floor carpet. It is set so that the mounting holes 7 can be opposed to each other from the upper and lower surfaces of 5.

Next, in this structure, a procedure for attaching the sheet material 1 onto the under-alloy 3 will be described. First, before attaching the sheet material 1, the cap member 15 is attached to the stud bolt 8 erected on the underfloor 3 as described above. Then, the stud bolt 8 is inserted into the mounting hole 6 from the position where the cap member 15 is mounted, and the insulator 4 is positioned and laid.

Next, the clip 2 is attached to the attachment hole 7 of the floor carpet 5, and the floor carpet 5 is laid on the underfloor 3. In this case, first, the first clip piece 22A is arranged on the lower side of the floor carpet 5, the main body portion 24 of the first clip piece 22A is placed in the mounting hole 7, and the brim portion 25 is brought into contact with the lower surface of the floor carpet 5. Insert until contacted. Next, the connecting piece 22C is pulled around to arrange the second clip piece 22B on the upper surface side of the floor carpet 5, and the main body portion 28 of the second clip piece 22B is connected to the first engaging piece of the first clip piece 22A. Press into the dowel 23. Further, the engaging projection 31 collides with the engaging projection 26 in the middle thereof, but the engaging projection 31 is pushed further strongly. Then, the engagement protrusion 31 is inserted to a position where it has passed over the engagement protrusion 26, and the engagement protrusion 31 and the engagement protrusion 26 are engaged and retained. Then, the upper and lower surfaces of the floor carpet 5 are sandwiched between the collar-shaped portion 25 of the first clip piece 22A and the collar-shaped portion 29 of the second clip piece 22B, and the clip 2 is attached to the mounting hole 7. It is installed.

Next, the floor carpet 5 to which the clip 2 is attached is attached by inserting the stud bolt 8 into which the cap member 15 is attached into the second engaging hole 27 of the clip 2. In this case, the tapered projection of the cap member 15 hits the engaging projection 30 on the way, but it is pushed more strongly. Then, it is further inserted, and the engaging projections 30 are engaged with the engaging grooves 19 to prevent the engaging protrusions 30 from coming off.

On the other hand, when the floor carpet 5 is removed for maintenance or the like, the floor carpet 5 is strongly pulled in a direction away from the stud bolt 8. Then, the engagement between the engagement groove 19 and the engagement protrusion 30 is forcibly released, and the floor carpet 5 can be removed from the stud bolt 8 with the clip 2 still attached to the floor carpet 5.

Therefore, in the fixing structure of the above-described embodiment, the resin cap member 15 is attached to the insertion portion of the stud bolt 8 so as to cover this portion, so that the attachment holes 6 and 7 of the sheet material 1 are attached. When the stud bolt 8 is inserted and engaged, the sheet material 1 is not caught or curled up around the mounting holes 6 and 7 and can be smoothly inserted and engaged. Therefore, the attachment of the sheet material 1 becomes easy and the workability is improved. Further, since the clip 2 is adapted to be attached to the stud bolt 8 via the cap member 15 after being attached to the attachment holes 6 and 7 of the sheet material 1, after the clip 2 is removed from the stud bolt 8 side by maintenance or the like. Can also be attached to the attachment holes 6 and 7 of the sheet material 1. This makes it possible to prevent the clip from being lost during disassembly. Further, since the clip 2 connects the first clip piece 22A and the second clip piece 22B with the connecting piece 22C, the clip 2 can be handled integrally before being attached to the sheet material 1 and after being detached. The management of the clip 2 is not complicated.

In the above embodiment, the structure in which the sheet material 1 is composed of the insulator 4 and the floor carpet 5 is disclosed, but it is also applied to the case where either one of the insulator 4 and the floor carpet 5 is fixed. It is possible. Further, although the case where the sheet material 1 is attached to the underfloor 2 of the automobile has been described, the invention can be similarly applied to the case where a general sheet material is fixed.

[0025]

[Effect of device]

 As described above, according to the sheet material fixing structure of the present invention, since the resin cap member is attached to the insertion portion of the stud bolt covering the portion, the stud is fitted in the attachment hole of the sheet material. When the bolt is inserted and engaged, the sheet material can be smoothly inserted and engaged without being caught in the periphery of the attachment hole and curled up, the sheet material can be easily attached, and the workability is improved. Also, the clip is designed to be attached to the stud bolt through the cap member after it has been attached to the attachment hole of the sheet material, so even after removing it from the stud bolt side for maintenance, etc., the clip is attached to the attachment hole of the sheet material. It can be attached to the crocodile, prevents loss and is easy to handle. Further, since the clip connects the first clip piece and the second clip piece with the connecting piece, the clip can be handled integrally before being attached to the sheet material and after being removed, and the clip management can be performed. It can be expected to be effective without being complicated.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a sheet material fixing structure according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of a main part of the same fixing structure as shown in FIG.

FIG. 3 is a perspective view schematically showing the interior structure of a general automobile.

4 is a cross-sectional view of a conventional structure of a portion corresponding to line AA in FIG.

[Explanation of symbols]

 1 sheet material 2 clip 3 underfloor (base) 6 mounting hole 7 mounting hole 8 stud bolt 15 cap member 19 engaging groove (engaging portion) 22A first clip piece 22B second clip piece 22C connecting piece 23 first Engaging hole 24 main body 25 collar-shaped portion 27 second engagement hole 28 main body 29 collar-shaped portion

Claims (1)

[Scope of utility model registration request] 1. A sheet material fixing structure for fixing a sheet material positioned and arranged on a base by inserting a stud bolt on the base into a mounting hole that penetrates up and down, wherein a locking portion is provided on an outer periphery. A cap member made of resin attached to cover the insertion portion of the stud bolt, and a clip coupled and engaged with the cap member. The clip is provided with a first engagement hole. A first clip piece having a tubular main body portion having a collar-like portion formed on the outer peripheral portion of one end of the main body portion and having a tubular main body portion to be inserted into the attachment hole; A second clip piece having a main body part having two engaging holes in the center and being inserted into and attached to the first engaging hole, and a flange-like part formed on one end outer peripheral part of the main body part; The first clip piece And a flexible connecting piece for connecting between the brim-shaped portions of the second clip piece are integrally provided and formed of a resin material. The main body portion and the main body portion of the second clip piece are inserted into the mounting hole from above and below facing the sheet material, respectively, and the main body portion of the second clip piece is inserted into the first engaging hole. Insert and engage the first
The clip member is attached to the sheet material with the upper and lower surfaces of the sheet material being sandwiched between the flange portion of the clip piece and the flange portion of the second clip piece, and then the stud with the cap attached thereto 2. A fixing structure for a sheet material, wherein the sheet material is fixed on the base by being inserted into and engaged with two engaging holes.