JPH08184306A - Fastener made of synthetic resine - Google Patents
Fastener made of synthetic resineInfo
- Publication number
- JPH08184306A JPH08184306A JP33877594A JP33877594A JPH08184306A JP H08184306 A JPH08184306 A JP H08184306A JP 33877594 A JP33877594 A JP 33877594A JP 33877594 A JP33877594 A JP 33877594A JP H08184306 A JPH08184306 A JP H08184306A
- Authority
- JP
- Japan
- Prior art keywords
- grommet
- leg
- pin
- opening
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Insertion Pins And Rivets (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、パネル面ともう１枚の
パネルとを重合状態に直結するのに好適な合成樹脂製の
止め具に関し、ピンとグロメットを一体的に樹脂成形す
るのに１つの金型で成すとともに、組付を容易にするこ
とを目的とする。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stopper made of a synthetic resin suitable for directly connecting a panel surface to another panel in a superposed state, and to integrally mold a pin and a grommet with a resin. The purpose is to make it easy to assemble while making it with one mold.
【０００２】[0002]
【従来の技術】従来は、この種の合成樹脂製の止め具は
実開平１−１０８４１６号公報にグロメットの頭部内開
口にピンの先端部を浅く嵌入した状態でグロメットとピ
ンとを一体に成形するものが知られている。2. Description of the Related Art Conventionally, a stopper made of a synthetic resin of this type is integrally formed with a grommet and a pin in a state in which the tip of the pin is shallowly fitted into an opening in the head of the grommet according to Japanese Utility Model Laid-Open No. 1-108416. What is known is.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、この従
来技術にはつぎの問題点があった。すなわち、全周に薄
肉の環状連結部があるため組付時ピンを押し込むと連結
部がせん断力により切断され組み付けられるが、全周に
環状連接部があるため破断力が大きく、バリが全周に発
生し組付力が一定しない。本発明はピンとグロメットを
遊嵌状態に樹脂で一体成形し、組付時、グロメットをパ
ネルの重合状態の孔に差し込むとともに、ピンを挿入し
組み付けられるようにした合成樹脂製の止め具を提案す
ることを目的とする。However, this conventional technique has the following problems. That is, since there is a thin annular connecting part on the entire circumference, pressing the pin during assembly cuts the connecting part due to shearing force and is assembled, but since there is an annular connecting part on the entire circumference, the breaking force is large and the burr is on the entire circumference. Occurs and the assembly force is not constant. The present invention proposes a synthetic resin stopper in which a pin and a grommet are integrally molded with a resin in a loosely fitted state, and when assembled, the grommet is inserted into an overlapped hole of a panel and a pin is inserted and assembled. The purpose is to
【０００４】[0004]
【課題を解決するための手段】この目的を達成するため
に、第１の発明は開口を有する頭部と、この頭部の開口
から垂下し前記開口と一連に直通した挿入孔を有する脚
部を備えたグロメットと、このグロメットの頭部開口か
ら脚部の挿入孔に挿入し、前記脚部を直径方向に拡開さ
せるピンとからなる合成樹脂製の止め具において、前記
グロメットは前記脚部を挿入孔の軸線との２つの平行線
で４つに分割し、そのうち２つの脚片に遊嵌する孔を設
けるとともに、前記開口に係合する位置に前記ピンの先
端部に２つの突起部を設けたことを特徴とする。また、
第２の発明は第１の発明の構成に加えて、前記グロメッ
トの挿入孔の内壁とピンの外周とを１つ以上の連接部で
連接したことを特徴とする。In order to achieve this object, a first aspect of the present invention is to provide a head portion having an opening and a leg portion having an insertion hole depending from the opening of the head portion and directly communicating with the opening. In a stopper made of a synthetic resin, which comprises a grommet provided with a grommet, and a pin that is inserted into an insertion hole of a leg part from a head opening of the grommet and expands the leg part in a diametrical direction, the grommet has the leg part. It is divided into four by two parallel lines with the axis of the insertion hole, two holes are loosely fitted in the two, and two projections are provided at the tip of the pin at a position engaging with the opening. It is characterized by being provided. Also,
In addition to the structure of the first invention, a second invention is characterized in that the inner wall of the insertion hole of the grommet and the outer periphery of the pin are connected by one or more connecting portions.
【０００５】[0005]
【作用】第１の発明における合成樹脂製の止め具は、ピ
ンとグロメットが遊嵌状態に組み合わされているので２
つのゲートを有する１つの金型で樹脂成形される。組付
時は、グロメットの脚部をパネルの孔に差し込み、続い
てピンを押し込めば、グロメットの脚部の径がピンの突
起により広がり、グロメットの頭部との間でパネルを容
易に重合状態に挟着する。第２の発明における合成樹脂
製の止め具は、ピンとグロメットが１つ以上の連接部で
連接しているので、１つのゲートを有する１つの金型で
樹脂成形される。組み付け時は、グロメットの脚部をパ
ネルの孔に差し込んだ後、ピンを押し込むと連接部がせ
ん断力により容易に切断され、グロメットの脚部の径が
ピンの突起部により広がりグロメットの頭部との間でパ
ネルを容易に重合し挟着する。In the stopper made of synthetic resin according to the first aspect of the present invention, the pin and the grommet are combined in a loosely fitted state.
It is resin-molded with one mold having two gates. When assembling, insert the grommet leg into the hole in the panel, and then push the pin in to expand the diameter of the grommet leg due to the protrusion of the pin, allowing the panel to easily overlap with the grommet head. Sandwiched between. In the stopper made of synthetic resin according to the second aspect of the present invention, since the pin and the grommet are connected by one or more connecting portions, the stopper is formed by one mold having one gate. When assembling, after inserting the leg of the grommet into the hole of the panel and pushing the pin, the connecting part is easily cut by the shearing force, the diameter of the leg of the grommet expands by the protrusion of the pin and the head of the grommet. The panels are easily polymerized and sandwiched between.
【０００６】[0006]
【実施例】以下、第１発明に係る実施例を図面に基づい
て説明する。図１は止め具の断面図を示す。図２は図１
のＡ−Ａ矢視断面図を示す。グロメット１は中央に上下
に開口した円形の開口４を有する環状の頭部３と挿入口
１７を有する脚部２からなり、開口４、挿入口１７はピ
ン５を遊嵌する大きさで脚部２の下方に直径方向に２つ
の開口６，７が設けられている。ピン５の先端部の直径
方向に突起部８，９が設けられ、その先端部側は傾斜面
１０，１１を形成し、その反対側は開口６，７に対し平
行面１２，１３となって、略三角形状をなしている。な
お、傾斜面１０，１１は外方へ膨らんだ円弧状であって
もよい。突起部８，９は開口６，７に遊嵌されている。
脚部２の下端部は開口１４を形成し、開口４より大き
く、段部１５を介して連接されている。さらに、その下
端外周にテーパ面１６を形成している。Embodiments of the first invention will be described below with reference to the drawings. FIG. 1 shows a sectional view of the stop. 2 is shown in FIG.
The AA sectional view taken on the line in FIG. The grommet 1 is composed of an annular head 3 having a circular opening 4 opened vertically in the center and a leg 2 having an insertion opening 17. Two openings 6, 7 are provided below 2 in the diametrical direction. Protrusions 8 and 9 are provided in the diametrical direction of the tip portion of the pin 5, the tip portion side forms inclined surfaces 10 and 11, and the opposite side is parallel surfaces 12 and 13 with respect to the openings 6 and 7. , Has a substantially triangular shape. The inclined surfaces 10 and 11 may have an arc shape that bulges outward. The protrusions 8 and 9 are loosely fitted in the openings 6 and 7.
The lower end of the leg portion 2 forms an opening 14, which is larger than the opening 4 and is connected via a step portion 15. Further, a tapered surface 16 is formed on the outer periphery of the lower end thereof.
【０００７】突起部８，９の外径は開口４，１４、挿入
口１７より大きくなっている。脚部２は図２に示すよう
に、溝２０，２１が挿入口１７の中心線に平行に設けら
れ、４つの脚片２２，２３，２４，２５に分割されてい
る。外観形状は図３に示すように突起部８，９が開口
６，７に臨んでいる。図４は図１のＰ矢視図を示す。図
５はパネル２６，２７を止め具で挟着した状態を示す。
パネル２６，２７の袷孔２８，２９にグロメット１の脚
部２が挿入されピン５の突起部８，９が開口１４に内接
し、脚片２２，２４を開き、パネル２６，２７を重合し
挟着する。グロメット１とピン５は連接されていないの
で金型で樹脂成形するにはゲートを２カ所設ける必要が
ある。つぎに第２の発明における実施例を図６〜７を用
いて説明する。第１発明と同一の部分は説明を省略す
る。グロメット１とピン５が薄肉の連接部３０，３１で
連接されている。連接部３０，３１は少なくとも１つ以
上必要である。このようにすると樹脂成形時にゲートが
１つで済むため金型の形状が簡単になる。The outer diameters of the projections 8 and 9 are larger than those of the openings 4 and 14 and the insertion opening 17. As shown in FIG. 2, the leg portion 2 is provided with grooves 20 and 21 parallel to the center line of the insertion opening 17 and divided into four leg pieces 22, 23, 24 and 25. As for the external shape, as shown in FIG. 3, the projections 8 and 9 face the openings 6 and 7. FIG. 4 shows a view on arrow P of FIG. FIG. 5 shows a state in which the panels 26 and 27 are clamped by a stopper.
The leg 2 of the grommet 1 is inserted into the holes 28 and 29 of the panels 26 and 27, the protrusions 8 and 9 of the pin 5 are inscribed in the opening 14, the leg pieces 22 and 24 are opened, and the panels 26 and 27 are polymerized. Pinch. Since the grommet 1 and the pin 5 are not connected to each other, it is necessary to provide two gates for resin molding with a mold. Next, an embodiment of the second invention will be described with reference to FIGS. The description of the same parts as those of the first invention will be omitted. The grommet 1 and the pin 5 are connected by the thin connecting portions 30 and 31. At least one connecting portion 30, 31 is required. This simplifies the shape of the mold because only one gate is required for resin molding.
【０００８】[0008]
【発明の効果】第１発明において、止め具をパネルの袷
孔に差し込み、続いてピンを押し込むことによりグロメ
ットの脚部が開き、１行程でパネルの挟着が容易になさ
れ、作業が瞬時になされる。１つの金型を用いることに
より同時にピンとグロメットを一体的に成形できるので
金型費が安くなるとともに、組み付け時に部品を紛失す
ることがなくなる。第２の発明のおいて止め具をパネル
の袷孔に差し込み、続いてピンを押し込むことにより、
ゲートとグロメットの連接部がせん断力により容易に切
断されてグロメットの脚部が開き、１行程でパネルの挟
着が容易になされる。またゲートとグロメットを連接部
で連接しているので樹脂成形時１つのゲートでよく金型
を簡素化できる。According to the first aspect of the present invention, the leg of the grommet is opened by inserting the stopper into the through hole of the panel and then by pushing the pin, so that the panel can be easily clamped in one stroke, and the work is instantly performed. Done. By using one die, the pin and the grommet can be integrally formed at the same time, so that the die cost is reduced and the parts are not lost during assembly. In the second invention, by inserting the stopper into the hole in the panel and then pushing the pin,
The connecting portion between the gate and the grommet is easily cut by the shearing force to open the leg portion of the grommet, and the panel can be easily clamped in one stroke. Further, since the gate and the grommet are connected at the connecting portion, one gate can be used for resin molding, and the mold can be simplified.
【０００９】[0009]
【図１】第１発明に係る実施例を示す止め具の縦断面図
である。FIG. 1 is a vertical sectional view of a stopper showing an embodiment according to a first invention.
【図２】図１のＡ−Ａ矢視断面図である。FIG. 2 is a sectional view taken along the line AA of FIG.
【図３】図１の側面図である。FIG. 3 is a side view of FIG.
【図４】図１のＰ矢視図である。FIG. 4 is a view on arrow P of FIG.
【図５】パネルの袷面に使用したときの組付状態を示す
図である。FIG. 5 is a view showing an assembled state when the panel is used on the underside.
【図６】第２発明に係る実施例を示す止め具の縦断面図
である。FIG. 6 is a vertical sectional view of a stopper according to an embodiment of the second invention.
【図７】図６のＱ矢視図である。FIG. 7 is a view on arrow Q in FIG.
１−グロメット ２−脚部 ５−ピン ６，７−開口 ８，９−突起部 ２２，２３，２４，２５−脚片 ３０，３１−連接部 1-Grommet 2-Leg part 5-pin 6,7-Opening 8,9-Projection part 22,23,24,25-Leg piece 30,31-Connecting part
Claims (2)
ら垂下し前記開口と一連に直通した挿入孔を有する脚部
を備えたグロメットと、このグロメットの頭部開口から
脚部の挿入孔に挿入し、前記脚部を直径方向に拡開させ
るピンとからなる合成樹脂製の止め具において、前記グ
ロメットは前記脚部をその軸線と平行に分割した脚片
と、前記脚片に前記ピンを遊嵌する開口と、前記開口に
係合する位置に前記ピンの先端部に設けた突起部を有す
ることを特徴とする合成樹脂製の止め具。1. A grommet having a head having an opening and a leg portion having an insertion hole depending from the opening of the head and directly communicating with the opening, and a leg portion inserted from the head opening of the grommet. In a stopper made of a synthetic resin, which is inserted into a hole and expands the leg portion in a diametrical direction, the grommet has a leg piece that divides the leg portion in parallel with its axis, and the pin on the leg piece. A stopper made of synthetic resin, characterized in that it has an opening for loosely fitting and a protrusion provided at the tip of the pin at a position that engages with the opening.
ら垂下し前記開口と一連に直通した挿入孔を有する脚部
を備えたグロメットと、このグロメットの頭部開口から
脚部の挿入孔に挿入し、前記脚部を直径方向に拡開させ
るピンとからなる合成樹脂製の止め具において、前記グ
ロメットは前記脚部をその軸線と平行に分割した脚片
と、前記脚片に前記ピンに遊嵌する開口と、前記開口に
係合する位置に前記ピンの先端部に設けた突起部と、前
記グロメットの脚片と前記ピンの外周とを接続する連接
部とを有することを特徴とする合成樹脂製の止め具。2. A grommet having a head having an opening and a leg portion having an insertion hole depending from the opening of the head and directly communicating with the opening, and inserting the leg portion from the head opening of the grommet. In a stopper made of a synthetic resin, which is inserted into a hole and expands the leg portion in a diametrical direction, the grommet has a leg piece that divides the leg portion in parallel with its axis, and the pin on the leg piece. An opening that is loosely fitted to the opening, a protrusion provided at the tip of the pin at a position that engages with the opening, and a connecting portion that connects the leg piece of the grommet and the outer periphery of the pin. A stopper made of synthetic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33877594A JPH08184306A (en) | 1994-12-29 | 1994-12-29 | Fastener made of synthetic resine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33877594A JPH08184306A (en) | 1994-12-29 | 1994-12-29 | Fastener made of synthetic resine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08184306A true JPH08184306A (en) | 1996-07-16 |
Family
ID=18321354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33877594A Pending JPH08184306A (en) | 1994-12-29 | 1994-12-29 | Fastener made of synthetic resine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08184306A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003172327A (en) * | 2001-12-07 | 2003-06-20 | Piolax Inc | Clip |
| EP3228504A1 (en) * | 2016-04-06 | 2017-10-11 | Newfrey LLC | Automotive door trim fastener and molding method |
| JP2020106074A (en) * | 2018-12-27 | 2020-07-09 | 株式会社ニフコ | clip |
-
1994
- 1994-12-29 JP JP33877594A patent/JPH08184306A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003172327A (en) * | 2001-12-07 | 2003-06-20 | Piolax Inc | Clip |
| EP3228504A1 (en) * | 2016-04-06 | 2017-10-11 | Newfrey LLC | Automotive door trim fastener and molding method |
| US9873388B2 (en) | 2016-04-06 | 2018-01-23 | Newfrey Llc | Automotive door trim fastener and molding method |
| JP2020106074A (en) * | 2018-12-27 | 2020-07-09 | 株式会社ニフコ | clip |
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