JP2014046136A - Belt length adjusting tool - Google Patents

Belt length adjusting tool Download PDF

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Publication number
JP2014046136A
JP2014046136A JP2012193812A JP2012193812A JP2014046136A JP 2014046136 A JP2014046136 A JP 2014046136A JP 2012193812 A JP2012193812 A JP 2012193812A JP 2012193812 A JP2012193812 A JP 2012193812A JP 2014046136 A JP2014046136 A JP 2014046136A
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Prior art keywords
belt
binding rod
connecting part
length adjuster
belt length
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JP2012193812A
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Japanese (ja)
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Yumiko Kadoishi
由美子 角石
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Nifco Inc
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Nifco Inc
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Priority to JP2012193812A priority Critical patent/JP2014046136A/en
Priority to KR1020130106108A priority patent/KR101527284B1/en
Publication of JP2014046136A publication Critical patent/JP2014046136A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A45C13/30—Straps; Bands

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  • Buckles (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a belt length adjusting tool, which prevents overload from being applied to a belt tight binding rod.SOLUTION: A belt length adjusting tool includes: a pair of side parts disposed at a predetermined space in parallel; a first connecting part and a second connecting part orthogonally connected to the longitudinal end parts of the side parts, respectively; and a belt tight binding rod loosely fitted between elongated holes respectively formed along the longitudinal directions of the side parts and moving in the direction of being close to the first connecting part or the second connecting part in a space enclosed by the pair of side parts, the first connecting part and the second connecting part. The belt tight binding rod is supported in the elongated holes by the shaft parts formed non-circular in section at both ends, and regulation means for regulating turning of the shaft parts is provided in the elongated holes, so that when a belt wound round the belt tight binding rod receives tension in the direction of coming close to one of the first connecting part and the second connecting part, rocking of the belt tight binding rod is regulated through the shaft parts so as to prevent overload from being applied to the belt tight binding rod.

Description

この発明は、ベルト長調整具に関し、特にベルトに過度の荷重が掛かるのを防止することのできるベルト長調整具に関するものである。   The present invention relates to a belt length adjuster, and more particularly to a belt length adjuster that can prevent an excessive load from being applied to a belt.

一般にベルト長調整具は、図１３、１４に示すように内側の空間が長方形となるように形成された枠部材１と、長方形の対向する一対の辺長に略等しく、長方形の残りの対向する一対の側辺に形成された長溝３内を断面が略長円形の軸部２ａで移動可能に配設されたベルト巻き掛け部材２と、前記長方形の空間内に前記ベルト巻き掛け部材２と平行に配設された連結環４、５及び横杆６等から構成されている。そして、図１４に示すように横杆６に一方のベルトを巻き掛け、ベルト巻き掛け部材２に他方のベルトを巻き掛けて緊縛すると、ベルト巻き掛け部材２が図中、左方向に移動すると共に回動する（特許文献１）。   In general, the belt length adjusting tool is substantially equal to a pair of opposite sides of a rectangular frame member 1 formed so that the inner space is rectangular as shown in FIGS. A belt wrapping member 2 disposed in a long groove 3 formed on a pair of side sides so as to be movable by a shaft portion 2a having a substantially oval cross section, and parallel to the belt wrapping member 2 in the rectangular space. The connecting rings 4 and 5 and the horizontal bar 6 are arranged on the side. Then, as shown in FIG. 14, when one belt is wrapped around the reed 6 and the other belt is wrapped around the belt wrapping member 2, the belt wrapping member 2 moves to the left in the figure. It rotates (Patent Document 1).

実開昭６０−１４０４２８号公報Japanese Utility Model Publication No. 60-140428

しかし、従来の特許文献１の場合では、ベルト緊縛のためにベルト巻掛部２を引くと、長孔に遊嵌されているベルト巻掛部２の軸部２ａが過度に回動すると共に、軸部に対して過度な荷重が掛かり、枠体が変形して動作不良を起こすと云う欠点が存在した。   However, in the case of the conventional patent document 1, when the belt winding part 2 is pulled for belt binding, the shaft part 2a of the belt winding part 2 loosely fitted in the long hole rotates excessively, There was a drawback that an excessive load was applied to the shaft portion, and the frame body was deformed to cause malfunction.

この発明は、上記したような不都合を解消する為になされたもので、ベルト緊縛杆が両端に形成された断面非円形の軸部によって側部に形成された長孔内に支承されると共に、前記長孔内に前記軸部の回動を規制する規制手段を設けることにより、ベルト緊縛杆に巻き掛けられたベルトを緊縛した際に過度の荷重が掛かるのを防止することのできるベルト長調整具を提供するものである。   The present invention was made to eliminate the above-mentioned disadvantages, and the belt binding rod is supported in a long hole formed in the side portion by a non-circular cross-section shaft portion formed at both ends, Belt length adjustment capable of preventing an excessive load from being applied when the belt wound around the belt binding rod is bound by providing a restricting means for restricting the rotation of the shaft portion in the elongated hole. It provides tools.

この発明は、以下のような内容である。
（１）上記目的を達成するため、本発明は２点間若しくは環状に掛け渡されたベルトの長さ調整に用いるベルト長調整具であって、所定の間隔を有して平行に配設された一対の側部と、前記側部の長手方向端部にそれぞれ直交して連結された第１連結部及び第２連結部と、前記側部の長手方向に沿ってそれぞれ形成された長孔間に遊嵌され、前記一対の側部と第１連結部と第２連結部とで囲蔽された空間内を前記第１連結部又は第２連結部と近接する方向に移動可能なベルト緊縛杆とから成り、前記ベルト緊縛杆は、両端に形成された断面非円形の軸部によって前記長孔内に支承されると共に、前記長孔内に前記軸部の回動を規制する規制手段を設け、前記ベルト緊縛杆に巻回されたベルトが前記第１連結部又は第２連結部の何れか一方に近接する方向の張力を受けた際、前記軸部を介してベルト緊縛杆の揺動を規制することを特徴とする。
（２）また、前記規制手段は、前記長孔内に突出形成され、遊嵌された前記軸部との間隔を狭める突出部であることを特徴とする。
（３）前記突出部は、前記長孔の長手方向の一方に向かって徐々に高さの増加する斜面を含むことを特徴とする。
（４）前記突出部と前記軸部とは互いに面接触することを特徴とする。
（５）前記長孔は、側部の長手方向の中心軸線に対して上下対称に形成されると共に、前記軸部は、水平方向の中心軸線に対して上下対称に形成されたことを特徴とする。 The present invention has the following contents.
(1) In order to achieve the above object, the present invention is a belt length adjuster used for adjusting the length of a belt stretched between two points or annularly, and is arranged in parallel with a predetermined interval. A pair of side portions, a first connecting portion and a second connecting portion connected orthogonally to the end portions in the longitudinal direction of the side portions, and a slot formed along the longitudinal direction of the side portions, respectively. A belt binding rod that is loosely fitted to the space and is movable in a direction close to the first connecting portion or the second connecting portion in a space surrounded by the pair of side portions, the first connecting portion, and the second connecting portion. The belt binding rod is supported in the elongated hole by a shaft portion having a non-circular cross section formed at both ends, and is provided with a restricting means for restricting the rotation of the shaft portion in the elongated hole. The belt wound around the belt binding rod is close to either the first connecting portion or the second connecting portion. When subjected to tension in a direction, characterized in that to regulate the swinging of the belt bondage rod through the shaft portion.
(2) Further, the restricting means is a projecting portion that projects from the elongated hole and narrows the interval between the loosely fitted shaft portion.
(3) The protrusion includes an inclined surface that gradually increases in height toward one side in the longitudinal direction of the long hole.
(4) The protrusion and the shaft are in surface contact with each other.
(5) The long hole is formed vertically symmetrical with respect to the central axis in the longitudinal direction of the side portion, and the shaft part is formed vertically symmetrical with respect to the central axis in the horizontal direction. To do.

この発明によれば、２点間若しくは環状に掛け渡されたベルトの長さ調整に用いるベルト長調整具であって、所定の間隔を有して平行に配設された一対の側部と、前記側部の長手方向端部にそれぞれ直交して連結された第１連結部及び第２連結部と、前記側部の長手方向に沿ってそれぞれ形成された長孔間に遊嵌され、前記一対の側部と第１連結部と第２連結部とで囲蔽された空間内を前記第１連結部又は第２連結部と近接する方向に移動可能なベルト緊縛杆とから成り、前記ベルト緊縛杆は、両端に形成された断面非円形の軸部によって前記長孔内に支承されると共に、前記長孔内に前記軸部の回動を規制する規制手段を設け、前記ベルト緊縛杆に巻回されたベルトが前記第１連結部又は第２連結部の何れか一方に近接する方向の張力を受けた際、前記軸部を介してベルト緊縛杆の揺動を規制するので、ベルト緊縛杆に過荷重が掛かるのを防止することができる。
また、前記規制手段は、前記長孔内に突出形成され、遊嵌された前記軸部との間隔を狭める突出部であるので、長孔の中で軸部の当接し易い構造とすることができる。
また、前記突出部は、前記長孔の長手方向の一方に向かって徐々に高さの増加する斜面を含むので、長孔の中で軸部が当接し易いと共に、ベルト緊縛杆に強い力が加わるに従って、強い反発力で回動を阻止することができる。
また、前記突出部と前記軸部とは互いに面接触するので、長孔の中で軸部が当接し易い構造とすることができる。また、面接触することで応力の集中を防止して、突出部或いは軸部が破損することを防止できる。
また、前記長孔は、側部の長手方向の中心軸線に対して上下対称に形成されると共に、前記軸部は、水平方向の中心軸線に対して上下対称に形成されたので、ベルト長調整具の天地を逆に使用してもベルト緊縛杆の回動を同じ位置で規制することができる。 According to the present invention, a belt length adjuster used for adjusting the length of a belt spanned between two points or in an annular shape, a pair of side portions disposed in parallel with a predetermined interval; The first connection portion and the second connection portion connected orthogonally to the longitudinal direction end portions of the side portions and loosely formed between the long holes respectively formed along the longitudinal direction of the side portions, and the pair A belt binding rod that can move in a direction close to the first connection portion or the second connection portion in a space surrounded by the side portion, the first connection portion, and the second connection portion. The eaves are supported in the elongated hole by shaft portions having a non-circular cross section formed at both ends, and a restricting means for restricting the rotation of the axial portion is provided in the elongated hole, and is wound around the belt binding rod. The rotated belt receives tension in a direction approaching either one of the first connecting portion or the second connecting portion. And time, since to restrict the swinging of the belt bondage rod through the shaft portion, it is possible to prevent the excessive load is applied to the belt tight binding rod.
In addition, since the restricting means is a projecting portion that protrudes into the long hole and narrows the interval with the loosely fitted shaft portion, the restricting means may have a structure in which the shaft portion is easily brought into contact with the long hole. it can.
In addition, since the protrusion includes an inclined surface that gradually increases in height toward one side in the longitudinal direction of the long hole, the shaft portion easily comes into contact with the long hole, and a strong force is exerted on the belt binding rod. As it is added, rotation can be prevented with a strong repulsive force.
Further, since the projecting portion and the shaft portion are in surface contact with each other, a structure in which the shaft portion can easily come into contact with each other in the long hole can be obtained. Moreover, concentration of stress can be prevented by surface contact, and damage to the protruding portion or the shaft portion can be prevented.
The long hole is formed vertically symmetrical with respect to the central axis in the longitudinal direction of the side portion, and the shaft portion is formed vertically symmetrical with respect to the central axis in the horizontal direction. Even if the top and bottom of the tool is used in reverse, the rotation of the belt binding strap can be restricted at the same position.

図１は、本発明の一実施形態を示すベルト長調整具の斜視図である。FIG. 1 is a perspective view of a belt length adjuster showing an embodiment of the present invention. 図２は、同ベルト長調整具の平面図である。FIG. 2 is a plan view of the belt length adjuster. 図３は、同ベルト長調整具の横断面図である。FIG. 3 is a cross-sectional view of the belt length adjuster. 図４は、同ベルト長調整具の側面図である。FIG. 4 is a side view of the belt length adjuster. 図５は、図２のＡ−Ａ線断面図である。5 is a cross-sectional view taken along line AA in FIG. 図６は、同ベルト長調整具の使用状態を示す説明図である。FIG. 6 is an explanatory view showing a usage state of the belt length adjuster. 図７は、同ベルト長調整具の別の実施形態を示す斜視図である。FIG. 7 is a perspective view showing another embodiment of the belt length adjuster. 図８は、同ベルト長調整具の平面図である。FIG. 8 is a plan view of the belt length adjuster. 図９は、同ベルト長調整具の横断面図である。FIG. 9 is a cross-sectional view of the belt length adjuster. 図１０は、同ベルト長調整具の側面図である。FIG. 10 is a side view of the belt length adjuster. 図１１は、図８のＢ−Ｂ線断面図である。11 is a cross-sectional view taken along line BB in FIG. 図１２は、同ベルト長調整具の使用状態を示す説明図である。FIG. 12 is an explanatory view showing a usage state of the belt length adjuster. 図１３は、従来のベルト長調整具の一例を示す平面図である。FIG. 13 is a plan view showing an example of a conventional belt length adjuster. 図１４は、従来のベルト長調整具の使用状態を示す説明図である。FIG. 14 is an explanatory view showing a use state of a conventional belt length adjuster.

本発明のベルト長調整具は、ベルト緊縛杆が両端に形成された断面非円形の軸部によって側部に形成された長孔内に支承されると共に、前記長孔内に前記軸部の回動を規制する規制手段を設けることにより、ベルト緊縛杆に巻き掛けられたベルトを緊縛した際に過度の荷重が掛かるのを防止することができる。   The belt length adjuster of the present invention is supported in a long hole formed in a side portion by a shaft portion having a non-circular cross section formed at both ends of a belt binding rod, and the shaft portion is rotated in the long hole. By providing the regulating means for regulating the movement, it is possible to prevent an excessive load from being applied when the belt wound around the belt binding rod is bound.

以下、一実施の形態を示す図面に基づいて本発明を詳細に説明する。図１は本発明の一実施形態を示すベルト長調整具の斜視図、図２は本発明のベルト長調整具の平面図、図３はベルト長調整具の横断面図である。ここでベルト長調整具１０は、２点間若しくは環状に掛け渡されたベルトの長さ調整に用いるものであって、所定の間隔を有して平行に配設された一対の側部１１、１１と、側部１１の長手方向端部にそれぞれ直交して連結された第１連結部１２及び第２連結部１３と、前記側部１１の長手方向に沿ってそれぞれ形成された長孔１４間に遊嵌され、前記一対の側部１１、１１と第１連結部１２と第２連結部１３とで囲蔽された空間１５内を前記第１連結部１２又は第２連結部１３と近接する方向に移動可能なベルト緊縛杆１６とを備えている。   Hereinafter, the present invention will be described in detail with reference to the drawings illustrating an embodiment. 1 is a perspective view of a belt length adjuster showing an embodiment of the present invention, FIG. 2 is a plan view of the belt length adjuster of the present invention, and FIG. 3 is a cross-sectional view of the belt length adjuster. Here, the belt length adjuster 10 is used for adjusting the length of a belt stretched between two points or in an annular shape, and has a pair of side portions 11 arranged in parallel at a predetermined interval. 11, between the first connecting portion 12 and the second connecting portion 13 that are orthogonally connected to the end portions in the longitudinal direction of the side portion 11, and the long holes 14 that are respectively formed along the longitudinal direction of the side portion 11. The space 15 surrounded by the pair of side portions 11, 11, the first connecting portion 12, and the second connecting portion 13 is close to the first connecting portion 12 or the second connecting portion 13. A belt binding rod 16 that is movable in the direction is provided.

側部１１は、図４に示すように側面から見て中央の膨らんだ略紡錘形をしており、中心部分に長孔１４が形成されている。また、長孔１４は、隅部が丸くなった略長方形に形成されており、側部１１と第１連結部１２と第２連結部１３とで囲蔽された空間及び側面方向に向かって開口している。また、長孔内の中央には、軸部１７の回動を規制する規制手段１８である突出部１９が突出形成されている。突出部１９は、長孔１４の天井部及び底面部がそれぞれ、上下対称に***して形成されている。したがって、長孔１４の中央部は、孔の高さ寸法が小さくなり遊嵌された軸部１７との間隔が狭くなっており、突出部１９と軸部１７とは互いに面接触する。また、突出部１９は長孔１４の長手方向の一方（中央）に向かって徐々に高さの増加する斜面１９ａを含むものであってもよい。  As shown in FIG. 4, the side portion 11 has a substantially spindle shape that swells in the center when viewed from the side, and a long hole 14 is formed in the center portion. The long hole 14 is formed in a substantially rectangular shape with rounded corners, and is open toward the space surrounded by the side portion 11, the first connecting portion 12, and the second connecting portion 13 and in the side surface direction. doing. Further, a projecting portion 19 that is a restricting means 18 that restricts the rotation of the shaft portion 17 is formed in the center of the long hole. The protruding portion 19 is formed such that the ceiling portion and the bottom surface portion of the long hole 14 are raised symmetrically in the vertical direction. Therefore, the central portion of the long hole 14 has a small hole height and a small gap between the loosely fitted shaft portion 17 and the projecting portion 19 and the shaft portion 17 are in surface contact with each other. Further, the protrusion 19 may include an inclined surface 19a whose height gradually increases toward one side (center) of the long hole 14 in the longitudinal direction.

第１連結部１２及び第２連結部１３は、やや肉厚の薄い板状部材から構成されており、側部１１と第１連結部１２、第２連結部１３とは、枠形に合成樹脂等で一体的に射出成形等で製造される。   The 1st connection part 12 and the 2nd connection part 13 are comprised from the thin plate-shaped member, and the side part 11, the 1st connection part 12, and the 2nd connection part 13 are synthetic resin in frame shape. Etc. are integrally manufactured by injection molding or the like.

ベルト緊縛杆１６は、断面が略長方形の板状部材から成り、両端に断面非円形の軸部１７が形成されている。軸部１７は、ベルト緊縛杆本体より肉薄に形成されており、側面から視て中央が肉薄になっている。つまり、軸部１７は、上下対称に中央が肉薄に形成されている。このような構成のベルト緊縛杆１６は、両端に形成された軸部１７によって長孔内に支承されている。   The belt binding rod 16 is composed of a plate-like member having a substantially rectangular cross section, and shaft portions 17 having a non-circular cross section are formed at both ends. The shaft portion 17 is formed thinner than the belt binding strap main body, and is thinner at the center when viewed from the side. In other words, the shaft portion 17 is formed so that the center is thin and symmetrical in the vertical direction. The belt binding rod 16 having such a configuration is supported in the long hole by the shaft portions 17 formed at both ends.

このように構成されたベルト長調整具１０は、図６に示すようにベルト緊縛杆１６にベルト２３を巻回して矢印Ｘ方向に引っ張っても、軸部１７が長孔１４内の突出部１９に当接してベルト緊縛杆１６の回動角度が規制され、過荷重が掛かるのを防止することができる。したがって、ベルト緊縛杆１６が回転し過ぎることに起因するベルト長調整具本体の変形やベルトを緩めてもベルト緊縛杆１６が元に戻らないといった動作不良を未然に防止できる。   As shown in FIG. 6, the belt length adjuster 10 configured as described above has the shaft portion 17 protruding in the elongated hole 14 even if the belt 23 is wound around the belt binding rod 16 and pulled in the arrow X direction. , The rotation angle of the belt binding rod 16 is restricted, and overloading can be prevented. Therefore, it is possible to prevent malfunctions such as deformation of the belt length adjusting tool main body due to excessive rotation of the belt binding rod 16 and the belt binding rod 16 not returning even if the belt is loosened.

図７は本発明のベルト長調整具の別の実施形態を示す斜視図、図８は同ベルト長調整具の平面図、図９は同ベルト長調整具の横断面図、図１０は同ベルト長調整具の側面図、図１１は、図８のＢ−Ｂ線断面図である。本実施の形態において、ベルト長調整具２０は、長孔２１の形状及び軸部２２を除き、第１の実施形態と同一であるため同一番号を付して説明を省略する。   7 is a perspective view showing another embodiment of the belt length adjuster of the present invention, FIG. 8 is a plan view of the belt length adjuster, FIG. 9 is a cross-sectional view of the belt length adjuster, and FIG. 10 is the belt. FIG. 11 is a side view of the length adjuster, and FIG. 11 is a sectional view taken along line BB in FIG. In the present embodiment, the belt length adjuster 20 is the same as that of the first embodiment except for the shape of the long hole 21 and the shaft portion 22, and therefore the same number is assigned and the description is omitted.

長孔２１は、隅部が丸くなった略長方形に形成されており、側部１１と第１連結部１２と第２連結部１３とで囲蔽された空間及び側面方向に向かって開口している。また、長孔内の中央には、軸部２２の回動を規制する規制手段１８である突出部２４が突出形成されている。突出部２４は、長孔２１の天井部中央及び底面部中央がそれぞれ、上下対称に***して形成されている。したがって、長孔２１の中央部は、孔の高さ寸法が小さくなり遊嵌された軸部２２との間隔が狭くなっている。   The long hole 21 is formed in a substantially rectangular shape with rounded corners, and is open toward the space surrounded by the side portion 11, the first connecting portion 12, and the second connecting portion 13 and in the lateral direction. Yes. In addition, a projecting portion 24 that is a restricting means 18 that restricts the rotation of the shaft portion 22 is formed in the center of the long hole. The projecting portion 24 is formed such that the center of the ceiling portion and the center of the bottom surface portion of the long hole 21 protrude in a vertically symmetrical manner. Therefore, the central portion of the long hole 21 has a small height dimension and a small distance from the loosely fitted shaft portion 22.

軸部２２は、ベルト緊縛杆１６の両端に形成されており断面非円形をしている。また、軸部２２は、ベルト緊縛杆本体より肉薄に形成されており、側面から視て中央に凹部２２ａを有している。つまり、軸部２２は、上下対称に中央に凹部２２ａが形成されている。このような構成のベルト緊縛杆１６は、両端に形成された軸部２２によって長孔内に支承されている。   The shaft portion 22 is formed at both ends of the belt binding rod 16 and has a non-circular cross section. The shaft portion 22 is formed thinner than the belt binding strap main body, and has a concave portion 22a at the center when viewed from the side. That is, the shaft portion 22 has a concave portion 22a formed in the center symmetrically in the vertical direction. The belt binding rod 16 having such a configuration is supported in the long hole by the shaft portions 22 formed at both ends.

このように構成されたベルト長調整具２０は、図１２に示すようにベルト緊縛杆１６にベルト２３を巻回して矢印Ｘ方向に引っ張っても、軸部２２が長孔２１内の突出部２４に当接してベルト緊縛杆１６の回動角度が規制され、過荷重が掛かるのを防止することができる。したがって、ベルト緊縛杆１６が回転し過ぎることに起因するベルト長調整具本体の変形やベルトを緩めてもベルト緊縛杆１６が元に戻らないといった動作不良を未然に防止できる。   In the belt length adjuster 20 configured in this way, even if the belt 23 is wound around the belt binding rod 16 and pulled in the arrow X direction as shown in FIG. , The rotation angle of the belt binding rod 16 is restricted, and overloading can be prevented. Therefore, it is possible to prevent malfunctions such as deformation of the belt length adjusting tool main body due to excessive rotation of the belt binding rod 16 and the belt binding rod 16 not returning even if the belt is loosened.

本発明のベルト長調整具は、所謂ラダー形式のバックルに限ることなく、サイドリリース形式やフロントリリース形式のバックルの雄側に使用することができる。   The belt length adjuster of the present invention is not limited to a so-called ladder type buckle, but can be used on the male side of a side release type or front release type buckle.

１０、２０ ベルト長調整具
１１ 側部
１２ 第１連結部
１３ 第２連結部
１４ 長孔
１５ 空間
１６ ベルト緊縛杆
１７ 軸部
１８ 規制手段
１９ 突出部
１９ａ 斜面
２１ 長孔
２２ 軸部
２２ａ 凹部
２３ ベルト
２４ 突出部 DESCRIPTION OF SYMBOLS 10, 20 Belt length adjustment tool 11 Side part 12 1st connection part 13 2nd connection part 14 Long hole 15 Space 16 Belt binding rod 17 Shaft part 18 Control means 19 Protrusion part 19a Slope 21 Long hole 22 Shaft part 22a Recessed part 23 Belt 24 Projection

Claims (5)

２点間若しくは環状に掛け渡されたベルトの長さ調整に用いるベルト長調整具であって、
所定の間隔を有して平行に配設された一対の側部と、
前記側部の長手方向端部にそれぞれ直交して連結された第１連結部及び第２連結部と、
前記側部の長手方向に沿ってそれぞれ形成された長孔間に遊嵌され、前記一対の側部と第１連結部と第２連結部とで囲蔽された空間内を前記第１連結部又は第２連結部と近接する方向に移動可能なベルト緊縛杆とから成り、
前記ベルト緊縛杆は、両端に形成された断面非円形の軸部によって前記長孔内に支承されると共に、前記長孔内に前記軸部の回動を規制する規制手段を設け、
前記ベルト緊縛杆に巻回されたベルトが前記第１連結部又は第２連結部の何れか一方に近接する方向の張力を受けた際、前記軸部を介してベルト緊縛杆の揺動を規制することを特徴とするベルト長調整具。 A belt length adjuster used for adjusting the length of a belt stretched between two points or in an annular shape,
A pair of side portions arranged in parallel with a predetermined interval;
A first connecting part and a second connecting part connected orthogonally to the longitudinal ends of the side parts,
The first connecting portion is loosely fitted between long holes formed along the longitudinal direction of the side portion, and the space surrounded by the pair of side portions, the first connecting portion, and the second connecting portion is the first connecting portion. Or a belt binding rod that can move in a direction close to the second connecting portion,
The belt binding rod is supported in the long hole by a shaft portion having a non-circular cross section formed at both ends, and provided with a restricting means for restricting the rotation of the shaft portion in the long hole,
When the belt wound around the belt binding rod receives a tension in a direction approaching either the first coupling portion or the second coupling portion, the belt binding rod is prevented from swinging through the shaft portion. A belt length adjuster characterized by: 前記規制手段は、前記長孔内に突出形成され、遊嵌された前記軸部との間隔を狭める突出部であることを特徴とする請求項１に記載のベルト長調整具。   The belt length adjuster according to claim 1, wherein the regulating means is a projecting portion that projects from the elongated hole and narrows a distance from the loosely fitted shaft portion. 前記突出部は、前記長孔の長手方向の一方に向かって徐々に高さの増加する斜面を含むことを特徴とする請求項１または２に記載のベルト長調整具。   The belt length adjuster according to claim 1, wherein the protruding portion includes a slope whose height gradually increases toward one side in the longitudinal direction of the long hole. 前記突出部と前記軸部とは互いに面接触することを特徴とする請求項１〜３の何れか１に記載のベルト長調整具。   The belt length adjuster according to any one of claims 1 to 3, wherein the protruding portion and the shaft portion are in surface contact with each other. 前記長孔は、側部の長手方向の中心軸線に対して上下対称に形成されると共に、前記軸部は、水平方向の中心軸線に対して上下対称に形成されたことを特徴とする請求項１〜４の何れか１に記載のベルト長調整具。   The long hole is formed vertically symmetrical with respect to a central axis in a longitudinal direction of a side portion, and the axial portion is formed vertically symmetrical with respect to a central axis in a horizontal direction. The belt length adjuster according to any one of 1 to 4.
JP2012193812A 2012-09-04 2012-09-04 Belt length adjusting tool Pending JP2014046136A (en)

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JP4674132B2 (en) * 2005-07-29 2011-04-20 Ｙｋｋ株式会社 Belt adjuster
KR101016882B1 (en) * 2009-01-08 2011-02-22 백지숙 strap adjuster

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