JPH0425527Y2 - - Google Patents
Info
- Publication number
- JPH0425527Y2 JPH0425527Y2 JP4511288U JP4511288U JPH0425527Y2 JP H0425527 Y2 JPH0425527 Y2 JP H0425527Y2 JP 4511288 U JP4511288 U JP 4511288U JP 4511288 U JP4511288 U JP 4511288U JP H0425527 Y2 JPH0425527 Y2 JP H0425527Y2
- Authority
- JP
- Japan
- Prior art keywords
- engagement
- groove
- split groove
- shaft
- engagement hole
- 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.)
- Expired
Links
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 description 18
- 230000013011 mating Effects 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
- Connection Of Plates (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、例えば椅子背凭れ部における背裏板
と背クツシヨン材との接合に用いられる接合構造
に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a joining structure used for joining a back back plate and a back cushion material in, for example, a chair back.
椅子の背凭れ部の接合構造として、例えば米国
特許第3037814号公報に、背クツシヨン材の重ね
合せ面に係合突起を複数突設し、これら係合突起
に対応する支持フレームの重ね合せ面に係合孔を
複数設け、背クツシヨン材を支持フレームに重ね
合わせることにより上記係合突起を上記係合孔に
各別に嵌入させて固定するものが開示されてい
る。この接合構造に用いられている係合突起は、
係合孔に嵌入された軸部の先端に膨出部が具備さ
れていると共に、軸部に割り溝が設けられたもの
であり、係合突起が係合孔に嵌入されるときは、
割り溝の両側の軸部が軸線方向に対し直角方向へ
弾性変形して上記割り溝が狭まるため上記膨出部
が係合孔を通過し、嵌入後には割り溝が元の溝幅
に復帰して上記膨出部が係合孔の周縁部に係合す
る構成になつている。このような係合突起は実開
昭54−119805号公報にも開示されている。
As a joint structure for the backrest of a chair, for example, US Pat. A device is disclosed in which a plurality of engagement holes are provided and the back cushion material is overlapped with the support frame so that the engagement protrusions are individually fitted into the engagement holes and fixed. The engagement protrusion used in this joint structure is
A bulge is provided at the tip of the shaft inserted into the engagement hole, and a split groove is provided in the shaft, and when the engagement protrusion is inserted into the engagement hole,
The shaft portions on both sides of the split groove are elastically deformed in the direction perpendicular to the axial direction, and the split groove narrows, so the bulge passes through the engagement hole, and after fitting, the split groove returns to its original groove width. The bulge is configured to engage with the peripheral edge of the engagement hole. Such an engaging protrusion is also disclosed in Japanese Utility Model Application No. 54-119805.
このような従来の接合構造は、割り溝の両側の
軸部の弾性変形を利用してその軸部を係合孔に簡
単に嵌入させることができるけれども、係合突起
が係合孔に嵌入されて双方の部材同士が接合され
た後に、係合突起に強い引抜き力が加わると、係
合突起の膨出部が係合孔の周縁部に抜出し方向に
強く押し付けられ、それに伴つて割り溝の両側の
軸部が軸線方向に対し直角方向へ弾性変形して上
記割り溝が狭まり、上記膨出部が係合孔を通過し
て抜け出しやすいという問題があつた。
In such a conventional joining structure, although the shaft portions on both sides of the split groove can be easily fitted into the engagement hole by utilizing elastic deformation of the shaft portions, it is difficult to fit the engagement protrusion into the engagement hole. When a strong pull-out force is applied to the engagement protrusion after both members are joined together, the bulge of the engagement protrusion is strongly pressed against the periphery of the engagement hole in the pull-out direction, causing the split groove to There was a problem in that the shaft portions on both sides were elastically deformed in a direction perpendicular to the axial direction, thereby narrowing the split groove, and the bulging portion was likely to pass through the engagement hole and slip out.
この考案は以上の問題に鑑みてなされたもの
で、双方の部材を確実にかつ強固に結合できるこ
とは勿論、双方の部材同士が接合された後に係合
突起に強い引抜き力が加わつても、係合突起の軸
部が係合孔から抜け出しにくい部材同士の接合構
造を提供することを目的とする。 This idea was made in view of the above problems, and it is possible not only to connect both members reliably and firmly, but also to prevent the two members from engaging even if a strong pulling force is applied to the engaging protrusion after they are joined. It is an object of the present invention to provide a joining structure between members in which the shaft portion of a mating protrusion is difficult to slip out of an engaging hole.
この考案の部材同士の接合構造は、一方の部材
と他方の部材とを互いに重ね合わせて接合する部
材同士の接合構造であつて、一方の部材の重ね合
せ面に突設された係合突起が他方の部材に設けら
れた係合孔に嵌入され、上記係合突起にはその軸
部に該軸部の軸線方向と直交する方向に延びて上
記係合孔の周縁部に係合される係合面が形成され
ており、さらに上記軸部にはその軸心部の一部を
残して割り溝が形成されていると共に、割り溝が
形成されていない上記軸心部の残部が割り溝の溝
幅方向に対して傾斜しているものである。
The joining structure of members of this invention is a joining structure of members in which one member and the other member are joined by overlapping each other, and an engaging protrusion protrudes from the overlapping surface of one member. The engagement protrusion is fitted into an engagement hole provided in the other member, and the engagement protrusion has an engagement projection that extends in a direction perpendicular to the axial direction of the shaft and is engaged with the peripheral edge of the engagement hole. A mating surface is formed on the shaft portion, and a split groove is formed on the shaft portion leaving a part of the shaft center portion, and the remaining portion of the shaft center portion where the split groove is not formed is formed in the split groove. It is inclined with respect to the groove width direction.
この考案の接合構造によれば、割り溝が形成さ
れていない軸心部の残部がその弾性により割り溝
の溝幅を一定に保とうとする。また、係合突起に
引抜き力が加わつて係合面が係合孔の周縁部に押
し付けられると、上記残部によつて割り溝の両側
の軸部が直角方向へ弾性変形することを阻止し、
割り溝の両側の軸部が割り溝の溝幅を狭めながら
互いに反対方向へ位置ずれする。そのため、係合
面と係合孔の周縁部との係合幅が割り溝の両側の
各軸部の位置ずれ方向において大きくなり、それ
に伴つて抜止め力が大きくなる。
According to the joint structure of this invention, the remaining part of the shaft center portion where the split groove is not formed tries to keep the groove width of the split groove constant due to its elasticity. Furthermore, when a pull-out force is applied to the engagement protrusion and the engagement surface is pressed against the peripheral edge of the engagement hole, the remaining portions prevent the shaft portions on both sides of the split groove from elastically deforming in the right angle direction;
The shaft portions on both sides of the split groove are shifted in opposite directions while narrowing the groove width of the split groove. Therefore, the engagement width between the engagement surface and the peripheral edge of the engagement hole increases in the direction of displacement of each shaft portion on both sides of the split groove, and the retaining force increases accordingly.
第１図ないし第７図を参照して実施例を説明す
る。
An embodiment will be described with reference to FIGS. 1 to 7.
この実施例は、椅子背凭れ部を構成する一方の
部材つまり背裏板１と背クツシヨン材２とを接合
した例である。背裏板１は重ね合せ面３と反対側
の面が装飾カバー７で被覆され、重ね合せ面３に
係合突起５が突設されている。即ち、背裏板１に
は適宜位置、例えば四隅部に位置して所定の開口
径を有する貫通孔８が穿設されており、これら各
貫通孔８に第３図及び第４図に示す係合突起形成
部材９を背面側から嵌入して背クツシヨン材２側
に突出させ、係合突起５を形成するのである。係
合突起形成部材９は、例えばナイロン樹脂製の一
体成形品でなつていて、前記貫通孔８より大径の
皿形頭部１０を有すると共に、前記貫通孔８に嵌
入される軸部１１を備え、この軸部１１の先端側
を前記背裏板１の重ね合せ面３から背クツシヨン
材２側に突出させ、その突出先端部に先端側にい
くにつれて漸次小径となるテーパ面１２ａと該テ
ーパ面１２ａの頂部から軸部１１の軸線方向と直
交する方向に延びる係合面１２ｂとを交互に形成
したのこ歯状の係合溝部１３を設け、かつこの係
合溝部１３の先端に先細となる案内面１４を形成
し、さらに前記軸部１１には、先端から皿形頭部
１０に向けて軸心部の一部を残して割り溝１５を
切り込み形成してなつている。そして、割り溝１
５が形成されていない上記軸心部の板片状の残部
３１は割り溝１５の溝幅方向に対して傾斜してい
る。各係合突起形成部材９は、その先端側から背
裏板１の貫通孔８に背面側から嵌入し、その皿形
頭部１０が背裏板１の背面に係止されるように
し、この状態で係合溝部１３及び先端案内面１４
が背裏板１の重ね合せ面３から背クツシヨン材２
側に突出して係合突起５を形成する。そして、前
記皿形頭部１０を覆うようにして装飾カバー７が
背裏板１の背面全体に張設され、この装飾カバー
７の周縁部７ａが重ね合せ面３にタツカー止め１
６されている。また、他方の部材である背クツシ
ヨン材２の重ね合せ面４には、前記背裏板１の重
ね合せ面３に突設された係合突起５に対応する四
個所に係合孔６が設けられる。即ち、背クツシヨ
ン材２の基板１９には、前記係合突起５に対応す
る四隅部に位置して所定の開口径を有する貫通孔
１７が穿設されており、これら各貫通孔１７に第
５図に示す係合孔形成部材１８のボス部２２を嵌
入させ、この係合孔形成部材１８のフランジ部２
１を重ね合せ面４にタツカー止め２０して背クツ
シヨン材２に固定する。そして、そのボス部２２
を貫通して前記係合孔６を形成しており、この係
合孔６の内面には、重ね合せ面４側が大径でその
反対側に漸次小径となるテーパ状案内受け面２３
を形成している。なお、この係合突起形成部材９
は、ナイロン樹脂製の一体成形品でなつている。
また、背クツシヨン材２は、重ね合せ面４を形成
する基板１９の裏面に例えばスポンジ等のクツシ
ヨン２４を糊着し、かつ、このクツシヨン２４の
表面をタツカー止め２５された装飾カバー７’で
被覆してなつている。さらに、係合孔６の内径
は、係合突起５のテーパ面１２ａの最大外径と係
合面１２ｂの底部外径との中間寸法に設定されて
いる。 This embodiment is an example in which one of the members constituting the chair back, that is, the back plate 1 and the back cushion material 2 are joined. The surface of the back plate 1 opposite to the overlapping surface 3 is covered with a decorative cover 7, and an engaging protrusion 5 is provided protruding from the overlapping surface 3. That is, through-holes 8 having a predetermined opening diameter are formed in the back plate 1 at appropriate positions, for example, at the four corners, and each of these through-holes 8 has a connecting hole shown in FIGS. 3 and 4. The engaging projection forming member 9 is inserted from the back side and projected toward the back cushion material 2 side, thereby forming the engaging projection 5. The engaging protrusion forming member 9 is an integrally molded product made of, for example, nylon resin, and has a dish-shaped head 10 with a diameter larger than that of the through hole 8, and a shaft portion 11 that is fitted into the through hole 8. The tip side of this shaft portion 11 is made to protrude from the overlapping surface 3 of the back back plate 1 toward the back cushion material 2 side, and the protruding tip portion has a tapered surface 12a whose diameter gradually becomes smaller toward the tip side, and the taper. A serrated engagement groove 13 is provided in which engagement surfaces 12b extending from the top of the surface 12a in a direction perpendicular to the axial direction of the shaft portion 11 are formed alternately, and a tapered end is provided at the tip of the engagement groove 13. A guide surface 14 is formed, and a split groove 15 is cut into the shaft portion 11 from the tip toward the dish-shaped head 10 leaving a part of the shaft center portion. And split groove 1
The plate-like remaining portion 31 of the shaft center portion on which the groove 5 is not formed is inclined with respect to the groove width direction of the split groove 15. Each engagement protrusion forming member 9 is fitted into the through hole 8 of the back plate 1 from the back side from its tip side so that its dish-shaped head 10 is locked to the back face of the back plate 1. In the state, the engagement groove 13 and the tip guide surface 14
is from the overlapping surface 3 of the back back plate 1 to the back cushion material 2
An engaging protrusion 5 is formed so as to protrude to the side. A decorative cover 7 is stretched over the entire back surface of the back plate 1 so as to cover the dish-shaped head 10, and a peripheral edge 7a of the decorative cover 7 is attached to the overlapping surface 3 by a tacker stopper 1.
6 has been done. Furthermore, engagement holes 6 are provided at four locations in the overlapping surface 4 of the back cushion material 2, which is the other member, corresponding to the engaging protrusions 5 protruding from the overlapping surface 3 of the back plate 1. It will be done. That is, the substrate 19 of the back cushion material 2 is provided with through holes 17 located at the four corners corresponding to the engaging protrusions 5 and having a predetermined opening diameter. The boss portion 22 of the engagement hole forming member 18 shown in the figure is fitted into the flange portion 2 of the engagement hole forming member 18.
1 to the overlapping surface 4 with a tack 20 and fixed to the back cushion material 2. And the boss part 22
The engagement hole 6 is formed through the engagement hole 6, and the inner surface of the engagement hole 6 has a tapered guide receiving surface 23 which has a large diameter on the overlapping surface 4 side and gradually becomes smaller in diameter on the opposite side.
is formed. Note that this engagement protrusion forming member 9
is an integrally molded product made of nylon resin.
In addition, the back cushion material 2 is made by gluing a cushion 24 such as a sponge to the back surface of the substrate 19 forming the overlapping surface 4, and covering the surface of the cushion 24 with a decorative cover 7' having a tassel fastener 25. It's getting warmer. Furthermore, the inner diameter of the engagement hole 6 is set to an intermediate dimension between the maximum outer diameter of the tapered surface 12a of the engagement protrusion 5 and the bottom outer diameter of the engagement surface 12b.
このような構成によると、係合突起５を設けた
背裏板１の重ね合せ面３に係合孔６を設けた背ク
ツシヨン材２の重ね合せ面４を重ね合せることに
より、係合突起５を係合孔６に圧入させることが
できる。そして、その際に係合突起５の先端案内
面１４は、係合孔形成部材１８のテーパ状案内受
け面２３に沿つて押し込まれ、それに伴い上記残
部３１により軸部１１の軸心方向に直交する方向
への変位が阻止されている割り溝１５の両側の軸
部１１，１１が割り溝１５の溝幅を狭めながら互
いに反対方向へ位置ずれするため係合突起５の係
合溝部１３が弾性変形して縮径し、係合孔６に容
易に嵌入される。係合孔６に係合溝部１３が嵌入
すると、割り溝１５の両側の軸部１１，１１の復
元力によつてそれらが元の状態に復帰して割り溝
１５の溝幅が元の寸法にまで拡がり、上記係合面
１２ｂが係合孔６の周縁部に係合し、背裏板１と
背クツシヨン材２とが接合される。このとき、上
記残部３１の弾性により上記軸部１１，１１が元
の状態に復帰することが助けられるため、第６図
に示した上記係合面１２ｂと係合孔６の周縁部と
の係合幅H1が係合溝１３の周方向において均一
な寸法になり、十分な抜止め力が発揮される。こ
うして接合された後において、係合突起５に引抜
き力が加わつて係合面１２ｂが係合孔６の周縁部
に押し付けられると、残部３１により割り溝１５
の両側の軸部１１，１１が直角方向へ弾性変形す
ることが阻止され、第７図のように割り溝１５の
両側の軸部１１，１１が割り溝１５の溝幅を狭め
ながら互いに反対方向へ位置ずれする。そのた
め、係合面１２と係合孔６の周縁部との係合幅
H2が割り溝１５の両側の各軸部１１，１１の位
置ずれ方向において大きくなり、それに伴つて抜
止め力が大きくなり、確実な抜止め作用が発揮さ
れる。なお、係合突起形成部材９の皿形頭部１０
は、装飾カバー７で覆われているので外見上露出
することはない。 According to such a configuration, by overlapping the overlapping surface 4 of the back cushion material 2 provided with the engaging holes 6 with the overlapping surface 3 of the back plate 1 provided with the engaging projections 5, the engaging projections 5 can be press-fitted into the engagement hole 6. At that time, the tip guide surface 14 of the engagement projection 5 is pushed along the tapered guide receiving surface 23 of the engagement hole forming member 18, and accordingly, the remaining portion 31 is perpendicular to the axial direction of the shaft portion 11. Since the shaft portions 11, 11 on both sides of the split groove 15, which are prevented from being displaced in the direction in which the split groove 15 is displaced, shift in opposite directions while narrowing the groove width of the split groove 15, the engagement groove portion 13 of the engagement protrusion 5 becomes elastic. It is deformed and reduced in diameter, and is easily fitted into the engagement hole 6. When the engagement groove part 13 is fitted into the engagement hole 6, the restoring force of the shaft parts 11, 11 on both sides of the split groove 15 returns them to their original state, and the groove width of the split groove 15 returns to its original dimension. The engaging surface 12b engages with the peripheral edge of the engaging hole 6, and the back plate 1 and the back cushion material 2 are joined together. At this time, the elasticity of the remaining portion 31 helps the shaft portions 11, 11 return to their original states, so that the engagement surface 12b and the peripheral edge of the engagement hole 6 shown in FIG. The mating width H 1 becomes uniform in the circumferential direction of the engagement groove 13, and sufficient retaining force is exerted. After being joined in this way, when a pulling force is applied to the engagement protrusion 5 and the engagement surface 12b is pressed against the peripheral edge of the engagement hole 6, the remaining portion 31 causes the split groove 15 to
The shaft parts 11, 11 on both sides of the split groove 15 are prevented from elastically deforming in the right angle direction, and as shown in FIG. The position shifts to Therefore, the engagement width between the engagement surface 12 and the peripheral edge of the engagement hole 6 is
H 2 increases in the direction of displacement of the respective shaft portions 11, 11 on both sides of the split groove 15, and accordingly, the retaining force increases, and a reliable retaining action is exerted. Note that the dish-shaped head 10 of the engagement protrusion forming member 9
is covered with a decorative cover 7, so it is not exposed externally.
次に本考案の他の実施例を第８図及び第９図に
より説明する。 Next, another embodiment of the present invention will be explained with reference to FIGS. 8 and 9.
この実施例は椅子背凭れ部を構成する背裏板１
を装飾カバーで被覆しない例であり、背裏板１の
重ね合せ面３には、中心方向に向けて延びる第８
図に示すような固定溝２６が適宜個所例えば四隅
部に穿設されており、これら各固定溝２６は、外
側に前記係合突起形成部材９の皿形頭部１０が挿
脱自在な円形状溝部２７を有し、かつこの円形状
溝部２７から内側に延びる部分に、前記係合突起
形成部材９の皿形頭部１０を溝方向には移動自在
で、かつこの皿形頭部を離脱しないよう係止する
係止縁部３０，３０を穿設した方形状溝部２８を
備えてなるものである。このような固定溝２６の
円形溝部２７に係合突起形成部材９の皿形頭部１
０を挿入し、そして、この皿形頭部１０を円形溝
部２７から方形溝部２８の終端２８ａまで移動す
れば、皿形頭部１０は係止縁部３０，３０に係止
されて、離脱することなく重ね合せ面３に係合突
起５を突出形成することになる。このように係合
突起５を設けた背裏板１の重ね合せ面３に、例え
ば第１図に示される背クツシヨン材２の重ね合せ
面４を上述した実施例のように重ね合せて、第９
図に示すように接合するものである。このため係
合突起形成部材９が外見上全く露出することがな
い。 In this embodiment, a back plate 1 constituting a chair back portion is shown.
This is an example in which the back panel 1 is not covered with a decorative cover, and the overlapping surface 3 of the back plate 1 has an eighth
As shown in the figure, fixing grooves 26 are bored at appropriate locations, for example, at the four corners, and each of these fixing grooves 26 has a circular shape on the outside into which the dish-shaped head 10 of the engagement protrusion forming member 9 can be inserted and removed. It has a groove 27 and extends inward from the circular groove 27 so that the dish-shaped head 10 of the engagement protrusion forming member 9 can be moved freely in the direction of the groove and the dish-shaped head cannot be detached. It is provided with a rectangular groove portion 28 in which locking edges 30, 30 for locking are bored. The dish-shaped head 1 of the engagement protrusion forming member 9 is inserted into the circular groove 27 of the fixing groove 26.
0 and then move this dish-shaped head 10 from the circular groove 27 to the terminal end 28a of the square groove 28, the dish-shaped head 10 will be locked by the locking edges 30 and removed. The engaging protrusion 5 is formed to protrude from the overlapping surface 3 without any problem. For example, by overlapping the overlapping surface 4 of the back cushion material 2 shown in FIG. 9
It is to be joined as shown in the figure. Therefore, the engaging protrusion forming member 9 is not exposed at all.
なお、上記各実施例では、背裏板１の重ね合せ
面３に係合突起５を突設し、背クツシヨン材２に
係合孔６を設けたものについて説明したが、これ
に限らず、背裏板１に係合孔６を設け、背クツシ
ヨン材２に係合突起５を突設したものであつても
よい。 In each of the above embodiments, the engagement protrusion 5 is provided protrudingly on the overlapping surface 3 of the back plate 1, and the engagement hole 6 is provided in the back cushion material 2. However, the present invention is not limited to this. The back plate 1 may be provided with an engagement hole 6, and the back cushion material 2 may be provided with an engagement protrusion 5.
また、上記各実施例では、椅子背凭れ部に本考
案を適用したものについて説明したが、これに限
らず、例えば椅子着座部の表側クツシヨン材と着
座裏板部材との接合に適用してもよく、さらにま
た、一方の部材と他方の部材との重ね合せ面で接
合する各種接合部材に本考案を適用してもよい。 Further, in each of the above embodiments, the present invention is applied to a chair backrest, but the present invention is not limited to this, and may also be applied to, for example, joining a front cushion material and a seat back plate member of a chair seat. Furthermore, the present invention may be applied to various joining members in which one member and another member are joined at their overlapping surfaces.
なお、第８図及び第９図において、第１図ない
し第７図に相当する部分にはそれと同一符号を付
してある。 In FIGS. 8 and 9, parts corresponding to those in FIGS. 1 to 7 are given the same reference numerals.
以上説明したように、この考案によると、一方
の部材と他方の部材を重ね合わせることによつて
係合突起が格別な困難なく係合孔に挿入されてそ
の係合面が係合孔の周縁部に係合され、両部材が
確実に接合される。即ち、この接合状態では割り
溝の両側の軸部の復元力によつてそれらが元の状
態に復帰して割り溝の溝幅が元の寸法にまで拡が
るのであるが、軸部における割り溝が設けられて
いない残部の弾性により上記軸部が元の状態に復
帰することが助けられ、係合面と係合孔の周縁部
との係合幅が係合溝の周方向において均一な寸法
になり、十分な抜止め力が発揮される。また、双
方の部材が接合された後において係合突起に引抜
き力が加わり係合面が係合孔の周縁部に押し付け
られると、割り溝の両側の軸部が割り溝の溝幅を
狭めながら割り溝の溝幅方向に対し直交しない方
向で互いに反対向きに位置ずれするため、係合面
と係合孔の周縁部との係合幅が所定個所で増大し
て抜止め力が大きくなる効果がある。
As explained above, according to this invention, by overlapping one member and the other member, the engaging protrusion can be inserted into the engaging hole without any particular difficulty, and the engaging surface can be aligned with the periphery of the engaging hole. The two members are securely joined together. In other words, in this bonded state, the restoring force of the shaft parts on both sides of the split groove returns them to their original state and the width of the split groove expands to its original dimension. The elasticity of the remaining portion that is not provided helps the shaft portion return to its original state, and the engagement width between the engagement surface and the peripheral edge of the engagement hole becomes uniform in the circumferential direction of the engagement groove. This will provide sufficient retaining force. In addition, when a pull-out force is applied to the engagement protrusion and the engagement surface is pressed against the periphery of the engagement hole after both members are joined, the shafts on both sides of the split groove narrow the width of the split groove. Since the split grooves are misaligned in opposite directions in directions that are not orthogonal to the groove width direction, the engagement width between the engagement surface and the peripheral edge of the engagement hole increases at a predetermined location, increasing the retaining force. There is.
第１図ないし第７図は本考案の一実施例を示
し、第１図は背裏板に背クツシヨン材を接合する
前の状態を示す斜視図、第２図は接合状態を拡大
して示す側断面図、第３図は係合突起形成部材を
示す斜視図、第４図は第３図−線より見た正
面図、第５図は係合孔形成部材を示す斜視図、第
６図及び第７図は係合孔に嵌入された係合突起を
示す正面図、第８図は斜視図、第９図は接合状態
を拡大して示す第２図相当の側断面図である。
１……背裏板（一方の部材）、２……背クツシ
ヨン材（他方の部材）、３……重ね合せ面、５…
…係合突起、６……係合孔、１１……軸部、１２
ｂ……係合面、１５……割り溝、３１……残部。
Figures 1 to 7 show an embodiment of the present invention, Figure 1 is a perspective view showing the state before the back cushion material is joined to the back plate, and Figure 2 is an enlarged view of the joined state. 3 is a perspective view showing the engagement projection forming member, FIG. 4 is a front view taken from the line shown in FIG. 3, FIG. 5 is a perspective view showing the engagement hole forming member, and FIG. 6 7 is a front view showing the engagement protrusion fitted into the engagement hole, FIG. 8 is a perspective view, and FIG. 9 is an enlarged side sectional view corresponding to FIG. 2 showing the joined state. DESCRIPTION OF SYMBOLS 1...Back plate (one member), 2...Back cushion material (other member), 3...Overlap surface, 5...
...Engagement protrusion, 6...Engagement hole, 11...Shaft portion, 12
b... Engagement surface, 15... Division groove, 31... Remaining part.
Claims (1)
て接合する部材同士の接合構造であつて、 一方の部材の重ね合せ面に突設された係合突起
が他方の部材に設けられた係合孔に嵌入され、上
記係合突起にはその軸部に該軸部の軸線方向と直
交する方向に延びて上記係合孔の周縁部に係合さ
れる係合面が形成されており、さらに上記軸部に
はその軸心部の一部を残して割り溝が形成されて
いると共に、割り溝が形成されていない上記軸心
部の残部が割り溝の溝幅方向に対して傾斜してい
ることを特徴とする部材同士の接合構造。[Claims for Utility Model Registration] A joining structure for joining one member and another member by overlapping each other, wherein an engaging protrusion protruding from the overlapping surface of one member is connected to the other member. The engagement projection is fitted into an engagement hole provided in the member, and the engagement projection has an engagement surface extending in a direction perpendicular to the axial direction of the shaft and engaged with the peripheral edge of the engagement hole. is formed, and furthermore, a split groove is formed in the shaft part leaving a part of the shaft center part, and the remaining part of the shaft center part where the split groove is not formed is the groove width of the split groove. A joining structure between members, which is characterized by being inclined with respect to the direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4511288U JPH0425527Y2 (en) | 1988-04-01 | 1988-04-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4511288U JPH0425527Y2 (en) | 1988-04-01 | 1988-04-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63168307U JPS63168307U (en) | 1988-11-02 |
| JPH0425527Y2 true JPH0425527Y2 (en) | 1992-06-18 |
Family
ID=30863555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4511288U Expired JPH0425527Y2 (en) | 1988-04-01 | 1988-04-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0425527Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014043687A (en) * | 2012-08-24 | 2014-03-13 | Sumitomo Kinzoku Kozan Siporex Kk | Panel mounting bracket and panel mounting method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2533802B2 (en) * | 1989-07-18 | 1996-09-11 | 株式会社北浦工業 | Coupling structure |
| KR100458555B1 (en) * | 2001-08-28 | 2004-12-03 | 이종환 | Seat frames assembling structure |
| JP2006204801A (en) * | 2005-01-31 | 2006-08-10 | Itoki Corp | Chair and backrest cushion body used for the same |
-
1988
- 1988-04-01 JP JP4511288U patent/JPH0425527Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014043687A (en) * | 2012-08-24 | 2014-03-13 | Sumitomo Kinzoku Kozan Siporex Kk | Panel mounting bracket and panel mounting method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63168307U (en) | 1988-11-02 |
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