JP2017009030A - Clamp - Google Patents

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Publication number
JP2017009030A
JP2017009030A JP2015125000A JP2015125000A JP2017009030A JP 2017009030 A JP2017009030 A JP 2017009030A JP 2015125000 A JP2015125000 A JP 2015125000A JP 2015125000 A JP2015125000 A JP 2015125000A JP 2017009030 A JP2017009030 A JP 2017009030A
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Japan
Prior art keywords
retaining piece
recess
sectional area
clamp
load reducing
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Granted
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JP2015125000A
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Japanese (ja)
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JP6373802B2 (en
Inventor
徳雄 齋藤
Tokuo Saito
徳雄 齋藤
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Nifco Inc
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Nifco Inc
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Priority to JP2015125000A priority Critical patent/JP6373802B2/en
Priority to KR1020160061885A priority patent/KR20160150581A/en
Publication of JP2017009030A publication Critical patent/JP2017009030A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/20—Clips, i.e. with gripping action effected solely by the inherent resistance to deformation of the material of the fastening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/06—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supports For Pipes And Cables (AREA)
  • Clamps And Clips (AREA)

Abstract

PROBLEM TO BE SOLVED: To realize a structure that is more convenient, easy in performance and superior in general purpose in view of reducing an inserting force while keeping an extraction force.SOLUTION: This invention relates to a clamp comprising: a recess part 1 for storing a long item 7 such as a pipe and the like; and a resilient stopper piece 3 protruded from a side wall upper part of at least one of a pair of side walls 10, 11 defining the recess part toward a bottom side of the recess part in a slant downward direction. The resilient stopper piece 3 is a clamp that is oscillated and displaced to escape toward the side walls with a connecting part 4 connected to the side wall upper part as a fulcrum point when the long item 7 is inserted into the recess part 1 and, after insertion, is recovered to stop the long item 7 by a lower end 32 abutted against the circumferential surface of the long item stored in the recess part. The stopper piece 3 is formed with a lowest weight reducing part 34 having a least sectional area along a longitudinal direction of the long item 7 between the connecting part 4 and the lower end 32, and the sectional area is gradually decreased between the connecting part 4 and the weight reducing part 34.SELECTED DRAWING: Figure 1

Description

本発明は、パイプ等の長尺物をワンタッチで保持可能なクランプのうち、特に長尺物を収容する凹部及び凹部に収容された長尺物を抜け止めする弾性抜け止め片を有したクランプに関する。   The present invention relates to a clamp having a concave portion that accommodates a long object and an elastic retaining piece that prevents the long object accommodated in the concave portion among clamps that can hold a long object such as a pipe with one touch. .

図７は特許文献１に開示のクランプを示し、（ａ）はクランプを使用態様で示し、（ｂ）はクランプの要部を示している。このクランプＫは、長尺物Ｈを収容する凹部２と、凹部２を区画している一対の側壁３の上部から凹部底側に向けて斜め下方に突出された弾性抜け止め片４と、パネルＰへの取付部８とを備え、抜け止め片４が長尺物を凹部に挿入するときに側壁上部に接合された連結部分（接合部分）５を支点として側壁方向へ揺動変位して逃げ、挿入後は復帰して凹部２に収容した長尺物周面に下端を当接して長尺物を抜け止めする。   FIG. 7 shows the clamp disclosed in Patent Document 1, wherein (a) shows the clamp in a usage mode, and (b) shows the main part of the clamp. The clamp K includes a recess 2 that accommodates the long object H, an elastic retaining piece 4 that protrudes obliquely downward from the top of the pair of side walls 3 that define the recess 2 toward the bottom of the recess, and a panel. And an attachment portion 8 to P. When the long piece is inserted into the recess, the retaining piece 4 swings and displaces in the direction of the side wall with the connecting portion (joined portion) 5 joined to the upper side of the side wall as a fulcrum. After insertion, the lower end is brought into contact with the peripheral surface of the long object accommodated in the recess 2 to prevent the long object from coming off.

以上のようなクランプは、例えば、車両において各種の配管などを保持する場合、複数個を使用して配管などを複数箇所で保持することが多い。その場合、弾性抜け止め片との関係では、作業性及び保持性の点から、配管などを凹部に押し入れる挿入力は作業者の負担を減らすため低く抑え（挿入力の低減）、逆に挿入後の抜け止め力は振動等により不用意な外れを生じないよう高く維持されることが望まれる（抜去力の向上）。文献１は、そのような相反する要求について検討追求した構成を開示している。   For example, when holding various types of piping in a vehicle, a plurality of such clamps are often used to hold the piping and the like at a plurality of locations. In that case, in relation to the elastic retaining piece, the insertion force for pushing the piping into the recess is kept low to reduce the burden on the operator (reduction of the insertion force) and the insertion is reversed from the viewpoint of workability and retention. It is desirable that the subsequent retaining force be kept high so as not to cause inadvertent detachment due to vibration or the like (improvement of extraction force). Document 1 discloses a configuration in which such conflicting requirements are studied and pursued.

すなわち、文献１の構成では、抜け止め片４の長さを十分に確保して抜去力を維持する。同時に、抜け止め片４の上端と側壁３との連結部分（接合部分）５に所定長さの空所７を形成して、抜け止め片４の変位を容易にし長尺物を凹部に挿入するときに挿入力を低減する。   That is, in the configuration of Document 1, the length of the retaining piece 4 is sufficiently secured to maintain the removal force. At the same time, a space 7 having a predetermined length is formed in the connecting portion (joint portion) 5 between the upper end of the retaining piece 4 and the side wall 3 to facilitate the displacement of the retaining piece 4 and insert a long object into the recess. Sometimes reduce the insertion force.

特開２００４−４４６９８号公報JP 2004-44698 A

上記文献１の構造では、揺動支点となる連結部分（接合部分）が空所の大きさに比例して断面積が減るため、凹部に長尺物を挿入するとき及び抜き去るとき加わる荷重ないしは負荷を狭くなった断面積部分に集中し、その結果、抜け止め片の破損要因となる虞があった。   In the structure of the above-mentioned document 1, since the cross-sectional area of the connecting portion (joining portion) serving as the swing fulcrum decreases in proportion to the size of the void, a load or a load applied when a long object is inserted into or removed from the recess. The load is concentrated on the narrowed cross-sectional area, and as a result, the retaining piece may be damaged.

本発明の目的は、以上のような問題を解消して、上述した抜去力を維持・向上しながら挿入力を低減する上で、より簡易で、実施容易で汎用性に優れた構造を実現することにある。他の目的は以下の内容説明の中で明らかにする。   The object of the present invention is to solve the above-mentioned problems, and to realize a structure that is simpler, easier to implement and excellent in versatility in reducing the insertion force while maintaining and improving the above-described extraction force. There is. Other purposes will be clarified in the following description.

上記目的を達成するため請求項１の本発明は、図１〜図４を参照して特定すると、パイプ等の長尺物（９）を収容する凹部（１）と、前記凹部を区画している一対の側壁（３，４）のうち少なくとも一方の側壁上部から凹部底側に向けて斜め下方に突出された弾性抜け止め片（３）とを備え、前記抜け止め片が長尺物を前記凹部に挿入するときに前記側壁上部に接合された連結部分（４）を支点として前記側壁方向へ揺動変位して逃げ、挿入後は復帰して前記凹部に収容した長尺物周面に下端を当接して長尺物を抜け止めするクランプであって、前記抜け止め片（３）は、前記長尺物の長手方向に沿う断面積として最も少ない荷重低減部（３４）を前記連結部分と前記下端との間に形成しており、前記連結部分から前記荷重低減部との間にかけて前記断面積が徐々に減少していることを特徴としている。なお、以上の長尺物にはパイプ以外に、棒状部材、線状部材、それらに類似のものを含む。   In order to achieve the above object, the present invention of claim 1, when specified with reference to FIGS. 1 to 4, defines a recess (1) for accommodating a long object (9) such as a pipe and the recess. An elastic retaining piece (3) projecting obliquely downward from the upper part of at least one of the pair of side walls (3, 4) toward the bottom of the recess, When inserted into the recess, the connecting portion (4) joined to the upper portion of the side wall is pivoted and displaced in the direction of the side wall with the connecting portion (4) as a fulcrum. And the retaining piece (3) has the least load reducing portion (34) as a cross-sectional area along the longitudinal direction of the elongated object with the connecting portion. It is formed between the lower end and between the connecting part and the load reducing part. It is characterized in that the cross-sectional area gradually decreases Te. In addition to the pipe, the above long objects include rod-like members, linear members, and the like.

以上の本発明は以下のように具体化されることがより好ましい。すなわち、
（１）、前記抜け止め片は、前記荷重低減部から前記下端に向かって前記断面積を徐々に増加している構成である（請求項２）。
（２）、前記抜け止め片の突き出し方向に沿ってリブを形成する構成である（請求項３）。
（３）、前記連結部分と前記下端との間に設けられた穴部又は窪み部を有している構成である（請求項４）。この穴部又は窪み部は、本発明の荷重低減部を形成する形状設定されたものであり、図６に例示した三角形以外にも半円形、台形、それらに類似の形状などが考えられる。 The present invention as described above is more preferably embodied as follows. That is,
(1) The retaining piece is configured to gradually increase the cross-sectional area from the load reducing portion toward the lower end (claim 2).
(2) The rib is formed along the protruding direction of the retaining piece (Claim 3).
(3) It is the structure which has the hole part or hollow part provided between the said connection part and the said lower end (Claim 4). This hole or recess has a shape set to form the load reducing portion of the present invention, and other than the triangle illustrated in FIG. 6, a semicircular shape, a trapezoidal shape, a similar shape, or the like can be considered.

請求項１の発明は、抜去力を維持・向上しながら挿入力を低減する上で、検討と試験を重ねて完成されたものであり、図４（ｃ）を参照して構成と作用特徴を明らかにする。   The invention of claim 1 has been completed by repeated examination and testing in order to reduce the insertion force while maintaining and improving the extraction force. The configuration and operational characteristics are described with reference to FIG. To clarify.

第１に、本発明では、まず、抜け止め片（３）が長尺物の長手方向に沿う断面積として、該断面積が最も少なくなる荷重低減部を連結部分（４）と下端（３２）との間に形成していることを必須としている。この点は、抜け止め片が連結部分と下端との間に長尺物の長手方向に沿う断面積として最小となる荷重低減部（３４）を有していると、長尺物を凹部に挿入する際に抜け止め片に加わる負荷が荷重低減部から抜け止め片の全体に分散し易くなり、その結果として挿入力が低減されるものと推察される。   First, in the present invention, first, the retaining piece (3) has a cross-sectional area along the longitudinal direction of the long object, and the load reducing portion where the cross-sectional area is the smallest is the connecting part (4) and the lower end (32). It is indispensable to form between. This point is that when the retaining piece has a load reducing portion (34) that is minimum as a cross-sectional area along the longitudinal direction of the long object between the connecting portion and the lower end, the long object is inserted into the recess. It is presumed that the load applied to the retaining pieces during the process is easily dispersed from the load reducing portion to the entire retaining pieces, and as a result, the insertion force is reduced.

第２に、本発明では、連結部分（４）から前記荷重低減部（３４）との間にかけて前記断面積が徐々に減少しているも必須としている。この点も、長尺物を凹部に挿入する際に抜け止め片に加わる負荷を荷重低減部から抜け止め片の全体に分散し易くする。なお、試験からは、抜け止め片が本発明の荷重低減部の存在により抜去力を向上しつつ、挿入力をかなり低減できることが確認されている。   Secondly, in the present invention, it is essential that the cross-sectional area gradually decreases from the connecting portion (4) to the load reducing portion (34). This also makes it easy to disperse the load applied to the retaining piece when inserting a long object into the recess from the load reducing portion to the entire retaining piece. From the test, it has been confirmed that the retaining piece can significantly reduce the insertion force while improving the removal force due to the presence of the load reducing portion of the present invention.

換言すると、以上の２つの構成は、文献１のような破損の虞がなく、しかも簡易で実施容易となり、それらの点からも優れている。   In other words, the above two configurations are not likely to be damaged as in Document 1, are simple and easy to implement, and are excellent from these points.

請求項２の発明は、前記荷重低減部から下端に向かって断面積を徐々に増加しているため、抜け止め片に加わる負荷が荷重低減部を挟んだ上下部分に効率よく分散され、外観的にも良好で、成形上も不具合を生じ難くなる。詳述すると、この構成では、長尺物を凹部に挿入するときに加わる荷重ないしは負荷により抜け止め片の全体が荷重低減部付近で弓なりに弾性変位し易くなり、負荷を全体に分散して挿入力を低く抑える上で有効に作用する。   In the invention of claim 2, since the cross-sectional area is gradually increased from the load reducing portion toward the lower end, the load applied to the retaining piece is efficiently dispersed in the upper and lower portions sandwiching the load reducing portion, and the appearance is improved. In addition, it is difficult to cause problems in molding. More specifically, in this configuration, the entire retaining piece is easily elastically displaced in the vicinity of the load reducing portion due to the load or load applied when inserting a long object into the recess, and the load is distributed throughout the insertion. It works effectively to keep the force low.

請求項３の発明は、抜け止め片の突き出し方向に沿って形成されたリブを有しているため、抜け止め片に加わる負荷がリブを通じて全体により効率的に分散されるようにし、またリブの補強効果も期待できる。   Since the invention of claim 3 has a rib formed along the protruding direction of the retaining piece, the load applied to the retaining piece is distributed more efficiently through the rib, and the rib A reinforcing effect can also be expected.

請求項４の発明は、抜け止め片が図６（ａ）と（ｂ）に例示されるごとく連結部分と下端との間に設けられた穴部又は窪み部を有し、それらにより荷重低減部を形成することでより簡易に実施可能となる。穴部又は窪み部は、連結部分以外の箇所に設けられるため文献１のごとく破損の要因になり難い。   In the invention of claim 4, the retaining piece has a hole portion or a hollow portion provided between the connecting portion and the lower end as illustrated in FIGS. 6A and 6B, thereby reducing the load reducing portion. It becomes possible to implement more simply by forming. Since the hole portion or the hollow portion is provided at a place other than the connecting portion, it is unlikely to cause damage as in the literature 1.

本発明の形態例に係るクランプを示す斜視図である。It is a perspective view which shows the clamp which concerns on the example of a form of this invention. 上記クランプの細部を示し、（ａ）は正面図、（ｂ）は上面図、（ｃ）は下面図である。The detail of the said clamp is shown, (a) is a front view, (b) is a top view, (c) is a bottom view. （ａ）は図２（ａ）のＡ−Ａ線断面図、（ｂ）は図２（ｂ）のＢ−Ｂ線断面図、（ｃ）は上記クランプの使用状態を示す説明図である。(A) is the sectional view on the AA line of Fig.2 (a), (b) is the sectional view on the BB line of FIG.2 (b), (c) is explanatory drawing which shows the use condition of the said clamp. 図２（ａ）のａ部を拡大した後、（ａ）は上から見た部分図、（ｂ）は（ａ）の左方向から見た部分図、（ｃ）は（ａ）のＣ−Ｃ線断面図、（ｄ）は（ａ）の下方向から見た部分図である。2 (a) is enlarged, (a) is a partial view seen from above, (b) is a partial view seen from the left direction of (a), (c) is a C- of (a). C line sectional drawing, (d) is the partial figure seen from the downward direction of (a). 上記形態例の弾性抜け止め片の形状を変更した３例を示し、（ａ）は変形例１として示す抜け止め片の斜視図、（ｂ）は変形例２として示す抜け止め片の斜視図、（ｂ）は変形例３として示す抜け止め片の斜視図である。FIG. 3 shows three examples in which the shape of the elastic retaining piece of the embodiment is changed, (a) is a perspective view of the retaining piece shown as Modification 1, and (b) is a perspective view of the retaining piece shown as Modification 2. (B) is a perspective view of a retaining piece shown as a third modification. 上記弾性抜け止め片の形状を更に変形した３例を示し、（ａ）は変形例４として示す抜け止め片の斜視図、（ｂ）は変形例５として示す抜け止め片の斜視図、（ｃ）は変形例６として示す抜け止め片の斜視図である。FIG. 3 shows three examples in which the shape of the elastic retaining piece is further modified, (a) is a perspective view of the retaining piece shown as modified example 4, (b) is a perspective view of the retaining piece shown as modified example 5, (c) ) Is a perspective view of a retaining piece shown as a modified example 6. FIG. （ａ）と（ｂ）は特許文献１に開示された図１と図６を示す説明図である。(A) And (b) is explanatory drawing which shows FIG. 1 and FIG. 6 which were disclosed by patent document 1. FIG.

本発明の形態例を図面を参照しながら説明する。この説明では、図１から図４の形態例の構造及び作動を詳述した後、図５に示した３つの変形例と、図６に示した３つの変形例に言及する。なお、各図では作用的に同じ部位に同一符号を付している。   Embodiments of the present invention will be described with reference to the drawings. In this description, the structure and operation of the embodiment shown in FIGS. 1 to 4 are described in detail, and then the three modifications shown in FIG. 5 and the three modifications shown in FIG. 6 are referred to. In addition, in each figure, the same code | symbol is attached | subjected to the functionally same site | part.

（構造）図１から図４において、形態例のクランプは、樹脂の射出成形品であり、対向した側壁１０と側壁１１及び両側壁１０，１１の下端を連結している底部１２で区画されている収容用の凹部１と、凹部１を区画している一方の側壁１０の外側面に一体化した状態に設けられてパネル等の被取付部６た固定される取付部２と、両側壁１０，１１のうち少なくとも一方の側壁１１の上部に上端３１を接合した状態で底部１２側に向けて斜め下方に突出された弾性抜け止め片３とを備えている。そして、このクランプでは、抜け止め片３がパイプ７を凹部１に挿入するときに側壁１１の上部に接合された上端３１付近、つまり連結部分４を支点として側壁内面方向へ揺動変位して逃げ、挿入後は復帰して凹部１に収容したパイプ７の周面に下端を当接してパイプ７を抜け止めする。以下、各部の細部構成について明らかにする。 (Structure) In FIGS. 1 to 4, the clamp in the embodiment is an injection molded product of resin, and is partitioned by a side wall 10, a side wall 11, and a bottom part 12 connecting the lower ends of both side walls 10, 11. A recessed portion 1 for housing, a mounting portion 2 that is provided integrally with the outer surface of one side wall 10 that defines the recessed portion 1 and is fixed to a mounted portion 6 such as a panel, and both side walls 10. , 11, and an elastic retaining piece 3 protruding obliquely downward toward the bottom 12 side with the upper end 31 joined to the upper portion of at least one side wall 11. In this clamp, the retaining piece 3 swings and displaces toward the inner surface of the side wall near the upper end 31 joined to the upper portion of the side wall 11 when the pipe 7 is inserted into the recess 1, that is, the connecting portion 4 as a fulcrum. After the insertion, the lower end is brought into contact with the peripheral surface of the pipe 7 accommodated in the recess 1 to prevent the pipe 7 from coming off. Hereinafter, the detailed configuration of each part will be clarified.

凹部１は、両側壁１０，１１の間にパイプ１２を挿入する溝状であり、底部１２の保持面がパイプ１２に対応した円弧状に形成されている。側壁１０の外面は、上側が垂直面であり、下側に取付部２を形成している筐体２０と連結されている。側壁１０の内面は、上側がパイプ７を凹部内に挿入し易くするため下に行くほど張り出す緩い傾斜面１０ａに形成され、下側が前記した底部１２の円弧状の一部を形成している。側壁１１の外面は垂直面である。側壁１１の内面は、上側が垂直面１１ａであり抜け止め片３と対向しており、下側が下に行くほど張り出す傾斜面１１ｂを介在して前記した底部１２の円弧状の一部を形成している。符号１３と１４は、底部１２と各側壁１０，１１とが交わる角部分にあって、前後から欠肉された空洞部である。この空洞部１３，１４は、軽量化と共に底部１２の円弧状の保持面に適度な弾性を付与している。   The concave portion 1 has a groove shape for inserting the pipe 12 between the side walls 10 and 11, and the holding surface of the bottom portion 12 is formed in an arc shape corresponding to the pipe 12. The outer surface of the side wall 10 is connected to a housing 20 that has a vertical surface on the upper side and the attachment portion 2 on the lower side. The inner surface of the side wall 10 is formed in a gently inclined surface 10a that protrudes downward toward the lower side so that the pipe 7 can be easily inserted into the recess, and the lower side forms an arc-shaped part of the bottom portion 12 described above. . The outer surface of the side wall 11 is a vertical surface. The inner surface of the side wall 11 is the vertical surface 11a on the upper side and faces the retaining piece 3, and forms an arc-shaped part of the bottom portion 12 with an inclined surface 11b protruding so that the lower side goes downward. doing. Reference numerals 13 and 14 are cavities formed at the corners where the bottom 12 and the side walls 10 and 11 intersect, and are thinned from the front and rear. The hollow portions 13 and 14 give moderate elasticity to the arc-shaped holding surface of the bottom portion 12 while reducing the weight.

なお、この例は凹部１が単一の構成である。但し、本発明の凹部は、例えば凹部１を取付部２を構成している筐体２０の両側に設けてもよく、色々な展開形状を含むものである。   In this example, the recess 1 has a single configuration. However, the recessed part of this invention may provide the recessed part 1 in the both sides of the housing | casing 20 which comprises the attaching part 2, for example, and includes various expansion | deployment shapes.

取付部２は、被取付部６に突設されたスタッドボルト７を利用してクランプの全体を被取付部に固定する構造である。取付部の筐体２０は概略中空角形のブロック状に形成されている。筐体内は、左右側壁により外部と区画され、前後が貫通した内部空間２１に形成されている。上下壁には、スタッドボルト７を通す挿入孔２２，２３が同軸線上に設けられている。下側の挿入孔２３は、上側の挿入孔２２より大きく形成されていて、スタッドボルト７の鍔状基部を受入可能となっている。両側壁の互いに対向している内面には、図３に示すごとく内側に進むに従って上斜めに傾斜した弾性爪片２４，２５が複数対（本形態例では２対）に設けられ、その先端爪部分が略水平に折り曲げられて中心に向けられている。同様に、下壁の挿入孔２３に近い内面には、弾性爪片２６，２７が挿入孔２３を挟んで対向した状態に設けられ、その先端爪部分が略水平に折り曲げられて中心に向けられている。これら弾性爪片２４，２５と弾性爪片２６，２７は、その対向する先端爪部分同士の間の寸法がスタッドボルト７のネジ山の最大外径寸法よりも小さく、かつネジ山に係合可能になっている。これらの構造は、一例に過ぎず、必要に応じて他の公知のものに変更可能である。   The attachment portion 2 has a structure in which the entire clamp is fixed to the attachment portion using a stud bolt 7 protruding from the attachment portion 6. The housing 20 of the mounting portion is formed in a generally hollow square block shape. The inside of the housing is partitioned from the outside by left and right side walls, and is formed in an internal space 21 through which the front and rear pass. Insertion holes 22 and 23 through which the stud bolts 7 pass are provided on the upper and lower walls on the same line. The lower insertion hole 23 is formed larger than the upper insertion hole 22 and can receive the flange-shaped base portion of the stud bolt 7. A plurality of pairs (two pairs in this embodiment) of elastic claw pieces 24 and 25 inclined obliquely upward as they go inward as shown in FIG. The part is bent substantially horizontally and is directed to the center. Similarly, elastic claw pieces 26 and 27 are provided on the inner surface of the lower wall near the insertion hole 23 so as to face each other with the insertion hole 23 therebetween, and the tip claw portion is bent substantially horizontally and directed toward the center. ing. The elastic claw pieces 24 and 25 and the elastic claw pieces 26 and 27 have a dimension between the opposing claw portions smaller than the maximum outer diameter dimension of the thread of the stud bolt 7 and can be engaged with the thread. It has become. These structures are merely examples, and can be changed to other known ones as necessary.

抜け止め片３は、この例において、概略矩形板状をなし、図４（ｃ）のごとく連結部分４の肉厚ｔ1が下端の肉厚ｔ2に比べて同じか薄く形成されている。また、抜け止め片３は、図１と図３及び図４から推察されるごとくパイプ７の長手方向に沿う断面積として、上面に設けられる欠肉部３０により該断面積が最も小さくないしは少なくなるよう形成された箇所、つまり荷重低減部３４を連結部分４と下端３２との間に有している。同図の肉厚ｔ3は、荷重低減部３４の最小肉厚である。   In this example, the retaining piece 3 has a substantially rectangular plate shape, and the thickness t1 of the connecting portion 4 is the same or thinner than the thickness t2 at the lower end as shown in FIG. Further, as can be inferred from FIGS. 1, 3, and 4, the retaining piece 3 has the smallest or smallest cross-sectional area as the cross-sectional area along the longitudinal direction of the pipe 7 due to the lacking portion 30 provided on the upper surface. The portion formed as described above, that is, the load reducing portion 34 is provided between the connecting portion 4 and the lower end 32. The wall thickness t3 in the figure is the minimum wall thickness of the load reducing section 34.

換言すると、荷重低減部３４は、抜け止め片３を構成している部分のうち、パイプ７の長手方向に沿う断面積（板幅方向の断面積）として、該断面積が最も少なくなる部分である。この例において、抜け止め片３は、連結部分４から荷重低減部３４の間が荷重低減部３４に向かって該断面積を徐々に減少するよう欠肉形成されていると共に、荷重低減部３４から下端３２の間が下端３２に向かって該断面積を徐々に増加するよう欠肉形成されている。   In other words, the load reducing portion 34 is a portion where the cross-sectional area is the smallest in the cross-sectional area (cross-sectional area in the plate width direction) along the longitudinal direction of the pipe 7 among the portions constituting the retaining piece 3. is there. In this example, the retaining piece 3 is formed with a thin wall so that the cross-sectional area gradually decreases from the connecting portion 4 to the load reducing portion 34 toward the load reducing portion 34, and from the load reducing portion 34. The gap between the lower ends 32 is formed so as to gradually increase the cross-sectional area toward the lower end 32.

また、抜け止め片３は、両側縁部にあって長手方向に一段高く設けられたリブ３３，３３を有している。各リブ３３は、抜け止め片３の上面両側に位置して、欠肉部３０の両側を区画していると共に、小幅の長い突起状となっており、パイプ７が凹部１に挿入されるときにパイプ周面に当たってパイプ荷重を受け、ここから抜け止め片３の全体に負荷を分散する構成である。   Further, the retaining piece 3 has ribs 33, 33 provided on both side edge portions and provided one step higher in the longitudinal direction. The ribs 33 are located on both sides of the top surface of the retaining piece 3, define both sides of the cutout portion 30, and have a narrow and long protrusion, so that the pipe 7 is inserted into the recess 1. The pipe is applied to the pipe peripheral surface and receives the pipe load, and the load is distributed to the whole retaining piece 3 from here.

（作動）以上の構成では、文献１に比べ、連結部分４の全体で曲げ荷重ないしは負荷を受け止めるため上述した文献１のような破損の虞を生じない。また、この構造では、抜け止め片３が連結部分４と下端３２との間にパイプ７の長手方向に沿う断面積として最小となる荷重低減部３４を有しているため、パイプ７を凹部１に挿入する際に抜け止め片４に加わる荷重ないしは負荷が荷重低減部３４から抜け止め片の全体に分散し易くなり、その結果、パイプ７を凹部１に挿入するときの挿入力が従来品に比べ低減でき、また、パイプ７を凹部１から抜くときの抜去力も維持向上できる。 (Operation) Compared with Document 1, in the above configuration, the entire connecting portion 4 receives the bending load or load, so that there is no possibility of damage as in Document 1 described above. Further, in this structure, since the retaining piece 3 has the load reducing portion 34 that is the smallest in cross-sectional area along the longitudinal direction of the pipe 7 between the connecting portion 4 and the lower end 32, the pipe 7 is formed in the recess 1. The load or load applied to the retaining piece 4 during insertion into the retaining piece 4 is easily dispersed from the load reducing portion 34 to the entire retaining piece, and as a result, the insertion force when the pipe 7 is inserted into the recess 1 is the conventional product. In comparison, the removal force when the pipe 7 is pulled out from the recess 1 can be maintained and improved.

（図５の変形例）図５（ａ）から（ｃ）は以上の抜け止め片の３つの変形例を示している。各変形例１〜３の抜け止め片３Ａから３Ｃは、荷重低減部３４の形成箇所ないしは形成方法で相違しているが、上面両側に設けられて長手方向に延びているリブ３３を有している点で共通している。従って、これらの説明では、重複記載を避けるため上記形態例と異なる変更点だけを述べる。 (Modifications of FIG. 5) FIGS. 5A to 5C show three modifications of the above retaining pieces. The retaining pieces 3A to 3C of the first to third modifications are different in the formation place or formation method of the load reducing portion 34, but have ribs 33 provided on both sides of the upper surface and extending in the longitudinal direction. In common. Accordingly, in these explanations, only the differences from the above-described embodiment are described in order to avoid duplication.

図５（ａ）は変形例１の抜け止め片３Ａを示している。この変形例１は、上記抜け止め片３の場合に荷重低減部３４を線状に設けているのに対し、この抜け止め片３Ａの場合に荷重低減部３４を両リブ３３の間にあって所定の幅を持って設けた構成である。   FIG. 5A shows a retaining piece 3A of the first modification. In the first modification, the load reducing portion 34 is linearly provided in the case of the retaining piece 3, whereas in the case of the retaining piece 3 </ b> A, the load reducing portion 34 is located between the ribs 33 and has a predetermined shape. It is the structure provided with width.

図５（ｂ）は変形例２の抜け止め片３Ｂを示している。すなわち、上記抜け止め片３の場合は、リブ３３が上下同じ幅で設けられており、また、荷重低減部３４が上下略中間位置に設けられている。これに対し、変形例２の抜け止め片３Ｂの場合は、両側のリブ３４が上側を下側に比べて幅広に形成されている構成と、荷重低減部３４が上下略中間よりも下端３４側に近い箇所に形成されている構成とが変更されている。   FIG. 5B shows a retaining piece 3B according to the second modification. In other words, in the case of the retaining piece 3, the ribs 33 are provided with the same width in the vertical direction, and the load reducing portion 34 is provided at a substantially middle position in the vertical direction. On the other hand, in the case of the retaining piece 3B of the modified example 2, the configuration in which the ribs 34 on both sides are formed wider on the upper side than on the lower side, and the load reducing portion 34 is on the lower end 34 side from the upper and lower middle. The structure formed in the place close to is changed.

図５（ｃ）は変形例３の抜け止め片３Ｃを示している。この抜け止め片３Ｃは、両側のリブ３３が上下同じ幅で設けられている点で上記形態例及び図５（ａ）と同じであるが、荷重低減部３４が上下略中間よりも下端３４側に近い箇所にあって所定の幅を持って設けられている点で変更されている。   FIG. 5C shows a retaining piece 3 </ b> C of the third modification. This retaining piece 3C is the same as the above embodiment and FIG. 5A in that the ribs 33 on both sides are provided with the same width in the upper and lower sides, but the load reducing portion 34 is on the lower end 34 side rather than the upper and lower middle. It is changed in that it has a predetermined width and is close to the point.

（図６の変形例）図６（ａ）から（ｃ）は以上の抜け止め片を更に変更した３つの変形例を示している。変形例４と５の抜け止め片３Ｄと３Ｅでは、荷重低減部３４の形成箇所ないしは形成方法が変更されている。変形例６の抜け止め片３Ｆでは、リブの形成箇所ないしは形成方法が変更されている。これらの説明も、重複記載を避けるため上記形態例と異なる変更点だけを述べる。 (Modifications of FIG. 6) FIGS. 6A to 6C show three modifications in which the above retaining pieces are further changed. In the retaining pieces 3D and 3E of the modified examples 4 and 5, the formation location or formation method of the load reducing portion 34 is changed. In the retaining piece 3F of the modified example 6, the formation location or formation method of the rib is changed. In these explanations, only the differences from the above embodiment are described in order to avoid duplication.

図６（ａ）は変形例４の抜け止め片３Ｄを示している。この変形例４では、上記抜け止め片３に比べ、特に、両側のリブが省略され、また、荷重低減部３４が抜け止め片３に所定大の穴部３５を設けることで形成されている。後者の穴部３５は、三角形状であり、下端３２側が幅広で、上に向かって狭まる配置となっている。このため、穴部３５のうち、最も幅広となっている穴下側において、幅方向の断面積が最も少なくなる。つまり、この例では、穴部３５を構成している穴下側の両側が荷重低減部３４となる。   FIG. 6A shows a retaining piece 3D of Modification 4. In the fourth modification, in particular, the ribs on both sides are omitted, and the load reducing portion 34 is formed by providing a predetermined large hole 35 in the retaining piece 3 as compared with the retaining piece 3. The latter hole portion 35 has a triangular shape, and is arranged such that the lower end 32 side is wide and narrows upward. For this reason, in the hole part 35, the cross-sectional area of the width direction becomes the smallest on the lower side of the widest hole. That is, in this example, both sides on the lower side of the hole constituting the hole portion 35 become the load reducing portion 34.

図６（ｂ）は変形例５の抜け止め片３Ｅを示している。この変形例５は、考え方が変形例４と同じであり、上記抜け止め片３Ｄの穴部３５に代えて窪み部３６を形成している。窪み部３６は、三角形状であり、下端３２側が幅広で、上に向かって狭まる配置となっている。このため、窪み部３６のうち、最も幅広となっている窪み下側において、幅方向の断面積が最も少なくなる。つまり、この例でも、窪み部３６を構成している窪み下側の両側が荷重低減部３４となる。   FIG. 6B shows a retaining piece 3E of Modification 5. In this modified example 5, the concept is the same as that of modified example 4, and a recessed portion 36 is formed instead of the hole portion 35 of the retaining piece 3D. The hollow portion 36 has a triangular shape and is arranged such that the lower end 32 side is wide and narrows upward. For this reason, in the hollow part 36, the cross-sectional area of the width direction becomes the smallest on the lower side of the widest hollow. That is, also in this example, both sides on the lower side of the dent constituting the dent part 36 become the load reducing part 34.

図６（ｃ）は変形例６の抜け止め片３Ｆを示している。この変形例６では、上記抜け止め片３に比べ、特に、両側のリブに代えて左右中間部にリブ３８を設けた点と、荷重低減部３４をリブ３８の両側に形成している点が変更されている。リブ３８は、抜け止め片３Ｆの上面にあって左右中間に突設されて上下方向に延びている。荷重低減部３４は、リブ３８の両側の欠肉部３７として、連結部分４から上下略中間にかけて幅方向の断面積を徐々に減少し、かつ、上下略中間から下端３２に向かって幅方向の断面積を徐々に増加することにより形成されている。以上の抜け止め片３Ｆは、上面側にリブ３８や欠肉部３７を形成した構成であるが、例えば見栄え等の理由により欠肉部３７やリブ３８を下面側に形成することも可能である。   FIG. 6C shows a retaining piece 3F according to the sixth modification. In this modified example 6, compared to the retaining piece 3, the ribs 38 are provided in the left and right intermediate portions in place of the ribs on both sides, and the load reducing portions 34 are formed on both sides of the ribs 38. has been changed. The ribs 38 are provided on the upper surface of the retaining piece 3F and project in the middle of the left and right sides and extend in the vertical direction. The load reducing portion 34, as the lacking portions 37 on both sides of the rib 38, gradually decreases the cross-sectional area in the width direction from the connecting portion 4 to the substantially upper and lower middle, and also in the width direction from the substantially upper and lower middle to the lower end 32. It is formed by gradually increasing the cross-sectional area. The retaining piece 3F described above has a configuration in which the rib 38 and the lacking portion 37 are formed on the upper surface side. However, for example, the lacking portion 37 and the rib 38 can be formed on the lower surface side for the reason of appearance. .

なお、本発明のクランプは、以上の説明から分かるごとく請求項１で特定される構成を備えておればよく、細部は形態例及び各変形例を参考にして色々に変形したり展開可能なものである。また、パネル等の被取付部に取り付ける取付部は、スタッドボルトに固定する構造に代えて、図７（ａ）に例示される筒外周の弾性片で固定する構造、更に溶着や接着等の接合構造であってもよい。   In addition, the clamp of this invention should just be equipped with the structure specified by Claim 1 so that the above description may show, The detail can change and develop variously with reference to a form example and each modification. It is. In addition, the attachment part attached to the attachment part such as a panel is replaced with a structure fixed to the stud bolt, and a structure fixed with an elastic piece on the outer periphery of the cylinder illustrated in FIG. It may be a structure.

１・・・・凹部
２・・・・取付部
３・・・・抜け止め片（３１は上端、３２は下端）
４・・・・連結部分
５・・・・パイプ（長尺物）
６・・・・パネル
７・・・・スタッドボルト
１０・・・側壁
１１・・・側壁
３０・・・欠肉部
３３・・・リブ
３４・・・荷重低減部
３５・・・穴部
３６・・・窪み部
３７・・・欠肉部
３８・・・リブ
ｔ1・・・上端の肉厚
ｔ2・・・下端の肉厚
ｔ3・・・荷重低減部の最小肉厚 DESCRIPTION OF SYMBOLS 1 .... Recessed part 2 .... Mounting part 3 .... Stopping piece (31 is upper end, 32 is lower end)
4 ... Connection part 5 ... Pipe (long)
6 ... Panel 7 ... Stud bolt 10 ... Side wall 11 ... Side wall 30 ... Wall thickness 33 ... Rib 34 ... Load reducing part 35 ... Hole 36 ... ··· depression 37 ··· lacking portion 38 · · · rib t1 · · · thickness of the upper end t2 · · · thickness of the lower end t3 · · · minimum thickness of the load reducing portion

Claims (4)

パイプ等の長尺物を収容する凹部と、前記凹部を区画している一対の側壁のうち少なくとも一方の側壁上部から凹部底側に向けて斜め下方に突出された弾性抜け止め片とを備え、前記抜け止め片が長尺物を前記凹部に挿入するときに前記側壁上部に接合された連結部分を支点として前記側壁方向へ揺動変位して逃げ、挿入後は復帰して前記凹部に収容した長尺物周面に下端を当接して長尺物を抜け止めするクランプであって、
前記抜け止め片は、前記長尺物の長手方向に沿う断面積として最も少ない荷重低減部を前記連結部分と前記下端との間に形成しており、前記連結部分から前記荷重低減部との間にかけて前記断面積が徐々に減少していることを特徴とするクランプ。 A recess that accommodates a long object such as a pipe, and an elastic retaining piece that protrudes obliquely downward from the upper part of at least one of the pair of side walls defining the recess toward the bottom of the recess, When the long piece inserts a long object into the recess, the escape piece swings and displaces in the direction of the side wall with the connecting portion joined to the upper portion of the side wall as a fulcrum. A clamp that abuts the lower end of the long object and prevents the long object from coming off,
The retaining piece forms the least load reducing portion between the connecting portion and the lower end as a cross-sectional area along the longitudinal direction of the long object, and between the connecting portion and the load reducing portion. A clamp characterized in that the cross-sectional area gradually decreases over time. 前記荷重低減部から前記下端に向かって前記断面積を徐々に増加していることを特徴とする請求項１に記載のクランプ。   The clamp according to claim 1, wherein the cross-sectional area is gradually increased from the load reducing portion toward the lower end. 前記抜け止め片の突き出し方向に沿ってリブを形成することを特徴とする請求項１又は２に記載のクランプ。   The clamp according to claim 1 or 2, wherein a rib is formed along a protruding direction of the retaining piece. 前記連結部分と前記下端との間に設けられた穴部又は窪み部を有していることを特徴とする請求項１から３の何れから記載のクランプ。   The clamp according to any one of claims 1 to 3, further comprising a hole or a recess provided between the connecting portion and the lower end.
JP2015125000A 2015-06-22 2015-06-22 Clamp Expired - Fee Related JP6373802B2 (en)

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