JP6069322B2 - Connector - Google Patents

Description

  The present invention relates to a connector.

  BACKGROUND OF THE INVENTION A joint composed of two pivotally connected members, typically a hook and a ring, has traditionally been used in a variety of applications, for example / typically to connect a heel belt to a heel body. It is used for. Generally, a hook is pivotally supported by a ring, and a pivotable connection between the hook and the ring is ensured. The hook has a notch through which a fixed ring is passed through an object to be connected, for example, a bag body, and a metal or resin retaining structure is often provided on the hook to close the notch.

  In Patent Document 1, a retainer 14 is rotatably connected to a hook member 12 as shown in FIG. 1 of the same document, and an insertion portion 22 of the hook member 12 is a retainer 14 as can be understood from FIGS. In this process, it is disclosed that the receptacle 30 is elastically deformed as shown in FIG. 6 and that the retainer 14 is also elastically deformed as shown in FIG. . As shown in FIG. 1 of the same document, the hook member 12 includes a base 16, a hook body 18 having an opening from the base 16 side, and a closing tongue piece 20 for closing the mouth of the hook body 18, In paragraph 0009 of the document, it is stated that the hook member 12 is a plastic molded product.

  In Patent Document 2, a neck portion 21 protrudes from a main body 19 of an annular ring 5, a head portion 22 is provided at the tip of the neck portion 21, and the head portion of the ring 5 formed with respect to the fitting hole 13 of the belt connecting member 4. 22 is inserted, and the neck portion 21 of the main body 19 of the ring 5 formed by the extended portion 12 of the belt support rod 11 of the belt connecting member 4 is disclosed. The head 22 has an elliptical shape as shown in FIG. 3 of the same document, and the outlet of the fitting hole 13 is the same as shown in FIG. It is disclosed in the same literature that the connection in the state in which 4 is orthogonal can be strengthened.

JP-A-6-315406 JP 2008-45683 A

  In the conventional connector, the resistance against the external force of the retaining structure provided on the hook is particularly weak.

  In the connecting device according to the present invention, the hook shaft portion is pivotally supported by the shaft support portion of the attachment body, and the hook and the attachment body are rotatably engaged, and the shaft support portion of the attachment body includes at least the hook. A connecting tool provided with a space for receiving the shaft portion of the hook, wherein the hook is integrally or separately provided with a retaining structure for sealing a notch of the hook, and the retaining structure is provided on the mounting body. The shaft support portion has an end portion disposed in the space, and the end portion is surrounded by the shaft support portion together with the shaft portion of the hook. The end portion of the retaining structure can be protected by the shaft support portion of the attachment body.

  It is preferable that the width of the end portion of the retaining structure is equal to or smaller than the width of the space or the width of the shaft portion. Thereby, it can suppress that rotation between a hook and a mounting body is inhibited by the hook structure integral or a separate body with a hook.

  The space of the shaft support portion is a shaft hole penetrating the shaft support portion, the opening diameter of the entrance of the shaft hole into which the shaft portion is inserted is larger than the opening diameter of the other exit, and the shaft portion is A shaft-like bulging portion that bulges toward the inner peripheral side surface of the shaft supporting portion that defines the inlet side of the shaft hole, and the inner peripheral side surface of the shaft supporting portion slides on the outer peripheral side surface of the shaft-shaped bulging portion. It should be movable. As a result, the shaft portion can be easily inserted into the shaft hole, and rattling between the hook and the mounting body can be suppressed.

  It is preferable that at least one seating surface extending in a direction away from the rotation shaft between the hook and the attachment body is provided on the hook, and the shaft support portion of the attachment body can be seated on the seating surface. The rotation of the hook on the attachment body or the rotation of the attachment body on the hook can be stabilized.

  The hook may include a hook body to which the shaft portion is coupled and the notch is provided, and at least one seating surface may be provided between the hook body and the shaft portion. Thereby, the rotation of the hook on the attachment body or the rotation of the attachment body on the hook can be stabilized.

  The shaft portion of the hook may be provided with a bulging portion bulging toward the hook tip side of the hook, and at least one seating surface may be provided on the bulging portion. The rotational stability between the attachment body and the hook can be further enhanced.

  The retaining structure is a spring integrally coupled to the hook, a base portion surrounded by the shaft support portion of the attachment body, and an extension portion extending from the base portion to close the notch of the hook. It is good that at least one said seating surface is provided between the said base and the said extension part. The rotational stability between the attachment body and the hook can be further enhanced.

  The retaining structure is a linear spring provided with at least one linear end portion that is engaged with the shaft portion of the hook, and the displacement of the linear end portion that is engaged with the shaft portion is It is good to be regulated by the shaft support.

  It is preferable that an inner peripheral side surface of the shaft support portion exists on an extension line of the linear end portion.

  The outer peripheral side surface of the shaft portion is provided with at least two notches provided at predetermined intervals in a direction surrounding the shaft portion, and with respect to the mounting portion of the shaft portion sandwiched between the two notches. The linear end is preferably locked. The arrangement space of the linear end portion that is locked to the attachment portion of the shaft portion can be suitably secured by the two notches, and at this time, the rotation of the attachment body is hindered by the linear end portion. This can be avoided or at least reduced.

  The retaining structure is a spring integrally coupled to the hook, a base portion surrounded by the shaft support portion of the attachment body, and an extension portion extending from the base portion to close the notch of the hook. It is good to have. It is preferable that the base portion of the retaining structure includes a portion narrower than the extending portion.

  The base has a first base and a second base along the rotation axis of the hook and the attachment body, and the shaft has a first shaft and a second shaft along the rotation axis. The second base portion disposed in the same plane orthogonal to the rotation axis and the first base portion disposed in the same plane orthogonal to the rotation shaft in a total width of the second shaft portion and the second shaft portion; It is good that it is wider than the total width of the first shaft portion. The base portion and the shaft portion can cooperate to guide the rotation of the attachment body, and can prevent backlash between the hook and the attachment body.

  ADVANTAGE OF THE INVENTION According to this invention, the tolerance with respect to the external force of the retaining structure provided in a hook can be improved.

FIG. 3 is a schematic exploded perspective view of the connector according to the first embodiment of the present invention, showing a state before attaching a hook with a retaining piece attached to the ring. It is a schematic perspective view of the connector after the assembly which concerns on 1st Embodiment of this invention. It is a schematic diagram which shows schematic cross-sectional structure of the coupling tool after the assembly which concerns on 1st Embodiment of this invention. It is a schematic schematic diagram which shows the structure of the location where the hook of the connector which concerns on 1st Embodiment of this invention is pivotally supported by the ring. It is a schematic disassembled perspective view of the coupling tool concerning 2nd Embodiment of this invention, and shows the state before attaching the hook with which the retaining piece was integrated to a ring. It is a schematic perspective view of the coupling tool after the assembly which concerns on 2nd Embodiment of this invention. It is a schematic side view of the hook before the assembly which concerns on 2nd Embodiment of this invention, and shows the normal state before the assembly with the notch | hook of the hook main body opened. It is a schematic diagram which shows schematic sectional structure of the coupling tool after the assembly which concerns on 2nd Embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The embodiments are not individually independent, and need not be excessively described, and can be appropriately combined by those skilled in the art, and a synergistic effect by this combination can also be grasped. In principle, duplicate description between the embodiments is omitted.

  The reference drawings are mainly intended to explain the invention and are simplified as appropriate. In these drawings, a rotation axis AX, which is a rotation axis that normally coincides between the hook and the ring, is illustrated as appropriate. For convenience of explanation, a direction approaching the rotation axis AX in an arbitrary plane orthogonal to the rotation axis AX may be referred to as inner / radial inner side, and a direction away from the rotation axis AX may be referred to as outer / radial outer side. . A direction along the rotation axis AX may be referred to as “vertical”, and a direction orthogonal to the rotation axis AX may be referred to as “lateral”. There is a case where “height” is grasped in association with “vertical” and “width” is grasped in association with “horizontal” for explanation. The terms indicating directions such as up, down, left, and right are used on the assumption that the drawing is viewed from the front. However, in order to maintain the consistency of the description, the terms may not be used as such.

<First Embodiment>
The first embodiment will be described with reference to FIGS. 1 to 4. FIG. 1 is a schematic exploded perspective view of a connector before a hook with a retaining piece attached thereto is attached to a ring. FIG. 2 is a schematic perspective view of the connector after assembly. FIG. 3 is a schematic diagram showing a schematic vertical cross-sectional configuration of the connector after assembly. FIG. 4 is a schematic diagram showing a configuration of a portion where the hook is pivotally supported by the ring. The specific configurations shown in FIGS. 1 to 4 are merely examples of the present disclosure, and it goes without saying that various modifications can be considered.

  As shown in FIGS. 1 and 2, the connector 100 includes a ring (attachment body) 10 that is a closed ring, an eggplant-like hook 50 having a notch in a part of the ring, and a hook for closing a notch of the hook 50. 50, and a hook 50 is pivotally supported by the ring 10. The hook 50 is pivoted with respect to the ring 10 and the ring 10 is pivoted with respect to the hook 50. It can freely rotate around AX. The ring 10 and the hook 50 are made of resin materials such as polyamide, polyester, polypropylene, and polybutylene terephthalate, and are manufactured by molding, and the retaining piece 80 is manufactured by bending / cutting a metal wire. The connector 100 may be referred to simply as a ring.

  The ring 10 and the hook 50 are arbitrary attachments / holders. In the exemplary / typical case, the thing attached to the ring 10 is a saddle belt, and the thing attached to the hook 50 is the saddle body. It is a fixed ring. The hook belt is passed through the ring 10, and the hook of the hook body is hooked on the hook 50, whereby the hook belt and the ring fixed to the hook are connected to each other via the connector 100. The saddle belt is inserted into and held by the ring 10, and the saddle ring enters the ring of the hook 50 through the pressing of the retaining piece 80 of the hook 50 and is held by the hook 50. In addition, the kind of attachment thing attached to the ring 10 and the hook 50 is arbitrary, For example, another hook may be hooked on the ring 10 and another hook may be hooked on the hook 50.

  The ring 10 is configured to be suitable for insertion of a flat shoulder belt or the like, and is composed of a ring frame body 11 having a narrow vertical width and a wide horizontal width, and the ring frame body 11 is similar to the ring frame body 11. Is provided with a ring opening RO11 having a narrow vertical width and a wide horizontal width, and a shoulder belt or the like is inserted into the ring opening RO11. The outer peripheral shape of the ring frame 11 is rounded, and all corners are rounded, thereby avoiding the occurrence of pain and the like at the time of contact.

  Although the specific structure of the ring frame 11 is arbitrary, it is a molded product of a single resin material here, and is provided with a hook 12 and a base 13 that are horizontally long and vertically aligned. The hook rod 12 is a collar portion on which a shoulder belt or the like is hooked. The base 13 is a flange that pairs with the hook 12 and is provided with a shaft support structure that ensures engagement with the hook 50. The base 13 has an arcuate shape from its center to the lateral end, that is, its lateral center is warped in a manner that is farther from the hook 12 than its lateral ends. Both lateral ends of the base rod 13 are individually coupled to the pair of lateral end portions of the hook rod 12 via a pair of coupling portions 14 (14m, 14n). The hook rod 12 is configured to be flatter than the base rod 13, and extends substantially linearly in the lateral direction while maintaining the flat mode. Such a configuration facilitates sliding of a flat shoulder belt or the like.

  In the center of the base 13 in the lateral direction, a shaft support portion 15 that pivotally supports the hook 50 is integrally provided. The shaft support 15 is provided with a shaft hole (space) AO15 extending vertically along the rotation axis AX, and on both sides of the shaft hole AO15, a slit SL16 and a slit SL17 are continuous with the shaft hole AO15. In other words, the shaft hole AO15, the slit SL16, and the slit SL17 that are provided without being divided and pass through the base 13 are continuous in the lateral direction. The shaft hole AO15 is provided for receiving a hook shaft portion 60 described later. The shaft hole AO15 is a hole having an inlet and an outlet. The hook 50 is inserted into the inlet of the shaft hole AO15 from the head 70 side, and the shaft 70 is protruded from the outlet of the shaft hole AO15. The head 70 and the hook shaft portion 60 are inserted into the hole AO15, whereby the ring 10 and the hook 50 are coupled. The slits SL <b> 16 and SL <b> 17 are provided to allow passage of the shaft hole AO <b> 15 of the head 70 while allowing the opening diameter of the shaft hole AO <b> 15 to be enlarged. In addition, from the viewpoint that the ring 10 pivotally supports the hook 50, the shaft hole AO15 does not necessarily have to pass through the base 13, and various other modes are conceivable. The head portion 70 and the hook shaft portion 60 of the hook 50 may be included and grasped as the insertion portion of the hook 50. The inlet of the shaft hole AO15 is provided on the lower surface of the shaft support 15 facing the hook 50, and the outlet of the shaft hole AO15 is provided on the upper surface of the shaft support 15 facing the hook rod 12.

  The shaft support portion 15 is a skirt surrounding the shaft hole AO15, and its side view shape is configured to be a taper that becomes wider downward. By configuring the shaft support portion 15 in a skirt shape, it is possible to achieve both handling when the hook 50 is attached to the ring 10 and rotational stability after the hook 50 is attached to the ring. As shown in FIG. 3, the maximum thickness of the shaft support portion 15 is set to be less than a height H60 of the hook shaft portion 60 to be described later, so that manufacturing errors and the like do not affect the assembly of the hook 50 and the ring 10. However, the present invention is not limited to this, and the maximum thickness of the shaft support portion 15 may match the height H60 of the hook shaft portion 60. The shaft hole AO15 is tapered similarly to the shaft support portion 15 in accordance with the configuration of the shaft support portion 15 as a skirt, and the opening diameter gradually increases from the upper side to the lower side along the rotation axis AX.

  In addition, the specific structure of the ring 10 is arbitrary and does not necessarily have to be an integrally molded product such as resin. For example, the hooking rod 12 may be made of a metal rod, which may be insert-molded on other ring frames or attached later. Furthermore, the ring 10 is an example of an attachment body, and does not need to be a closed ring.

  The hook 50 includes a hook main body 51 having a notch in the ring, and a hook shaft portion (shaft portion) 60 and a head portion 70 that are successively continuous from the hook main body 51 along the rotation axis AX. The hook opening FO51 of the hook 50 is surrounded by the hook body 51 and is partially released by the above-described notch. The hook body 51 has a hook proximal end 51m and a hook distal end 51n according to the notch of the ring, and the notch between the hook proximal end 51m and the hook distal end 51n is sealed by the retaining piece 80 described above.

  The hook body 51 has an arcuate extension 51j extending vertically in an arc along the rotation axis AX between the hook base end 51m and the hook tip 51n, and bends and extends in the opposite direction following the extension. A bent portion 51k reaching the hook tip 51n is provided. The hook tip 51n is provided with an engagement groove 52 that engages with the free end of the retaining piece 80, and a ring that is fixed to the hook 50, for example, a hook fixed to the hook body 51, It is possible to suppress the entry into the gap and the release from the hook 50.

  The hook shaft portion 60 is coupled to a portion of the hook main body 51 on the hook base end 51m side, and extends vertically along the rotation axis AX therefrom. The head 70 is coupled to the hook main body 51 via the hook shaft 60 and extends vertically along the rotation axis AX similarly to the hook shaft 60. As shown in FIG. 3, the right half of the hook shaft 60 is provided on a seating surface 51 h on which the ring 10 of the hook base end 51 m of the hook body 51 can be seated, and the left half of the hook shaft 60 is the hook of the hook body 51. It is not directly coupled to the proximal end 51m. The seating surface 51h is a flat surface that is provided between the hook main body 51 and the hook shaft portion 60 and extends outward in the radial direction that coincides with the direction away from the rotation shaft AX. It occupies a predetermined range in the circumferential direction surrounding AX.

  The head portion 70 is a portion wider than the hook shaft portion 60 provided on the hook shaft portion 60, and swells outward in the radial direction corresponding to the direction away from the rotation axis AX from the hook shaft portion 60, Thereby, the hook 50 is prevented from coming off from the ring 10. The head 70 is elliptical when viewed from above, and is configured to be capable of being press-fitted and passed through the shaft hole AO15 of the base 13 of the ring 10 by the action of the slits SL16 and SL17. The head 70 is configured to be lower than the hook shaft 60, and the height H70 is equal to or less than the height H60 of the hook shaft 60 as shown in FIG.

  The hook shaft portion 60 is a columnar portion extending along the rotation axis AX, the hook main body 51 side has a larger diameter than the head portion 70 side, and ends with a large-diameter lower shaft portion (second shaft portion). ) 61 and a small-diameter upper shaft portion (first shaft portion) 62, and the lower shaft portion 61 bulges outward in the radial direction that coincides with the direction away from the rotation shaft AX from the upper shaft portion 62. Is called an axial bulge. The outer peripheral side surface 62k on the head 70 side of the upper shaft portion 62 functions as a guide surface for guiding the rotation of the ring 10, and the outer peripheral side surface 62k on the head portion 70 side of the upper shaft portion 62 is on the shaft support portion 15 of the ring 10. The inner peripheral side surface is slidable. The outer peripheral side surface 61k of the lower shaft portion 61 functions as a guide surface for guiding the rotation of the ring 10, and the inner peripheral side surface of the shaft support portion 15 of the ring 10 can slide on the outer peripheral side surface 61k of the lower shaft portion 61. In this way, it is desirable to allow the outer peripheral side surface of the hook shaft portion 60 to function at least partially as a guide surface that guides the rotation of the ring 10. The inner peripheral side surface of the shaft support portion 15 slides on the outer peripheral side surface of the hook shaft portion 60, and the rotation between the hook 50 and the ring 10 is stabilized.

  As shown in FIG. 4, a set of notches 63 (63p, 63q) corresponding to a set of attachment ends of the retaining piece 80 is provided on the outer peripheral side surface of the hook shaft portion 60. A portion having a constant lateral width sandwiched by the set of notches 63 from the lateral direction is referred to as an attachment portion 64. The mounting portion 64 is provided with a set of through holes (holding holes) penetrating the same portion in the horizontal direction and spaced vertically on the same straight line. Each attachment end of the retaining piece 80 is inserted and locked in each through hole of the attachment portion 64. An interval H80 between the centers of the through holes of the attachment portion 64 is equal to or less than a height H60 of the hook shaft portion 60.

  From the standpoint of locking each mounting end of the retaining piece 80, the through hole of the mounting portion 64 does not need to pass through the mounting portion 64, and may be simply referred to as a “locking portion” by superposing it. it can. However, the stability of attachment of the retaining piece 80 to the hook shaft 60 can be enhanced by the penetration mode. The notch 63 is continuously provided in the vertical direction in a manner extending between the lower shaft portion 61 and the upper shaft portion 62.

  As shown in FIG. 3, a bulging portion 68 that bulges toward the hook tip 51 n side of the hook body 51 is integrally provided below the lower shaft portion 61. The bulging portion 68 is provided with a seating surface 68h that is substantially in the same plane as the seating surface 51h of the hook body 51, thereby stabilizing the rotation of the ring 10 as compared to the case without this. be able to. Each of the seating surface 51h and the seating surface 68h is a flat surface extending outward in the radial direction coinciding with the direction away from the rotation axis AX, and different ranges in the circumferential direction around the shaft portion 60 / rotation axis AX. Occupy. Further, by providing the bulging portion 68 with respect to the hook shaft portion 60, the structural strength can be increased.

  The retaining piece 80 is configured as a linear spring, and extends from the hook base end 51 m side to the hook distal end 51 n side in a state where the retaining piece 80 is attached to the hook 50. The retaining piece 80 is a proximal end in relation to the hook shaft portion 60 of the hook 50, and has a fixed end portion (end portion) 81 fixed to the hook shaft portion 60. Further, the retaining piece 80 is the other end in relation to the hook shaft portion 60, and has a free end portion (end portion) 82 that makes a pair with the fixed end portion 81.

  The retaining piece 80 is attached to the hook 50 in a state of being biased so as to seal off the notch of the hook 50, and at this time, the free end portion 82 is engaged with the hook tip 51 n of the hook body 51. It is accommodated in the groove 52. At this time, the retaining piece 80 is distorted, and when the retaining piece 80 is pushed and released toward the arcuate extending portion 51j, the retaining piece 80 autonomously pivots around the fixed end 81, The free end 82 is again accommodated in the engagement groove 52. Note that it is not always necessary to provide the retaining piece 80 with the spring property as described above, and the retaining piece 80 may be pivotally attached to the hook 50.

  The specific configuration of the retaining piece 80 is arbitrary, but in this example, a metal wire having a predetermined length is bent at four locations, and ends with one end horizontal bar portion (linear end portion) 83a, The first vertical bar 83b, the connecting bar 83c, the second vertical bar 83d, and the other end horizontal bar (linear end) 83e are continuous. The one end horizontal bar portion 83 a and the other end horizontal bar portion 83 e extend linearly in the horizontal direction and are inserted into the through holes of the attachment portion 64 of the hook shaft portion 60. The first vertical bar portion 83b and the second vertical bar portion 83d extend in parallel to the vertical direction while maintaining a predetermined interval. The connecting rod portion 83c extends linearly in the horizontal direction and connects between the tips of the first vertical rod portion 83b and the second vertical rod portion 83d. In addition, between each rod part, the bending part bent at about 90 degrees is provided. In a state where the retaining piece 80 is attached to the hook 50, the inner peripheral side surface of the shaft support portion 15 exists on the extension line of the one end horizontal bar portion 83a, and the same description applies to the other end horizontal bar portion 83e. As a result, the axial support portion 15 suitably prevents the radially outward displacement of the one end horizontal bar portion 83a and the other end horizontal bar portion 83e that coincides with the direction away from the rotation axis AX.

  The first flat surface including the one end horizontal bar portion 83a and the other end horizontal bar portion 83e being non-coaxial and including the one end horizontal bar portion 83a and the connecting bar portion 83c in a state before the retaining piece 80 is attached to the hook 50. There is an angle difference between the second flat surface including the other end horizontal bar 83e and the connecting bar 83c. On the other hand, the set of through holes in the attachment portion 64 of the hook shaft portion 60 of the hook 50 is on the same straight line along the rotation axis AX. Therefore, when the retaining piece 80 is attached to the mounting portion 64 of the hook shaft 60 of the hook 50 and the retaining piece 80 is screwed into the hook 50, the retaining piece 80 is distorted, and the retaining piece 80 The free end 82 of the hook body 51 can always press the hook tip 51n of the hook body 51. Thereby, the autonomous pivoting of the retaining piece 80 can be ensured and the hook 50 can be kept closed unless the retaining piece 80 is pushed into the hook 50. It should be noted that the rotational axis of pivot of the retaining piece 80 exists corresponding to each attachment end of the retaining piece 80.

  The assembly of the connector 100 will be understood from the above description. An example will be described as follows. First, the retaining piece 80 is attached to the hook 50. At this time, first, with the free end portion 82 of the retaining piece 80 arranged in the engagement groove 52 of the hook 50, the one end horizontal bar portion 83 a of the retaining piece 80 is connected to one of the attachment portions 64 of the hook shaft portion 60. Next, the other end horizontal bar portion 83e of the retaining piece 80 is inserted into the other through hole of the attachment portion 64 of the hook shaft portion 60 while twisting the retaining piece 80.

  Next, the hook 50 is inserted into the shaft hole AO15 of the shaft support portion 15 of the ring 10 from the head 70 side, and the ring 10 and the hook 50 are engaged / connected. Since the slits SL16 and SL17 are provided on the side of the shaft hole AO15 of the base 13, when the head 70 of the hook 50 passes through the shaft hole AO15, the diameter of the shaft hole AO15 is increased, and the passage can be suitably secured. The head 70 having a portion wider than the shaft hole AO15 penetrates the shaft hole AO15. The opening diameter of the inlet of the shaft hole AO15 is larger than the opening diameter of the outlet of the shaft hole AO15, so that the head 70 and the hook shaft portion 60 can be easily inserted into the shaft hole AO15.

  When assembled as described above, the hook shaft portion 60 is surrounded by the shaft support portion 15 of the ring 10, and the head portion 70 is located in the ring opening RO 11 of the ring 10 and is disposed on the shaft support portion 15. When the head portion 70 is integrally provided on the hook shaft portion 60, it is not easy to insert the hook shaft portion 60 into the shaft hole AO15, but it is avoided in a simple manner that the hook 50 naturally falls off from the ring 10. Can do. That is, the head portion 70 functions as a hook 50 from the ring 10. In addition, the specific aspect of this retaining is arbitrary, and is not necessarily limited to this example.

  In the present embodiment, the fixed end portion 81 of the retaining piece 80 is surrounded by the shaft support portion 15 of the ring 10 together with the hook shaft portion 60 of the hook 50. Thereby, even if some external force acts on the retaining piece 80, it is possible to prevent the retaining piece 80 from falling off the hook 50. Illustratively, even if a force that opens the gap between the first vertical rod portion 83b and the second vertical rod portion 83d occurs in the retaining piece 80, it collides with the shaft support portion 15 of the ring 10, Further expansion of the interval is prevented, and the one end horizontal bar portion 83 a and the other end horizontal bar portion 83 e are prevented from coming out of the through hole of the attachment portion 64 of the hook shaft portion 60.

  In the present embodiment, the rotation between the ring 10 and the hook 50 is not hindered by the fixed end portion 81 of the retaining piece 80 disposed in the shaft hole AO15 of the shaft support portion 15 of the ring 10, and the hook shaft portion 60 and its surroundings are prevented. The rotation of the shaft support 15 is suitably secured. As shown in FIG. 4, the width W80 of the fixed end portion 81 of the retaining piece 80 is equal to or less than the diameter RAO15 of the inlet of the shaft hole AO15, and the fixed end portion 81 of the retaining piece 80 is the shaft support portion 15 of the ring 10. It is non-contact with the inner peripheral side surface of the shaft support portion 15 inside. As long as the rotation between the ring 10 and the hook 50 is ensured, the fixed end portion 81 may contact the inner peripheral side surface of the shaft support portion 15.

  Further, as shown in FIG. 4, the width W80 of the fixed end portion 81 of the retaining piece 80 in the shaft support portion 15 of the ring 10 is less than the width W60 of the hook shaft portion 60 of the hook 50 in the shaft support portion 15 of the ring 10. Thus, it is possible to ensure that the outer peripheral side surface 61k of the lower shaft portion 61 of the hook shaft portion 60 is in contact with the inner peripheral side surface of the shaft support portion 15 instead of the fixed end portion 81 of the retaining piece 80. Good rotation of the shaft support portion 15 around the hook shaft portion 60 can be ensured.

  In the present embodiment, the hook base end 51m of the hook body 51 is provided with a seating surface 51h on which the ring 10 can be seated. Thereby, rotation of the ring 10 with respect to the hook 50 can be stabilized. Further, in the present embodiment, a seating surface that is positioned substantially in the same plane as the seating surface 51h is further provided. Here, a seating surface 68 h that is substantially in the same plane as the seating surface 51 h of the hook body 51 is provided on the bulging portion 68 of the hook shaft portion 60. Thereby, rotation of the ring 10 with respect to the hook 50 can be further stabilized by a plurality of seating surfaces in the same plane.

  In the present embodiment, the retaining piece 80 is made of a metal wire and is attached to the hook 50 in such a manner that the retaining piece 80 is biased to a posture of closing the hook 50. In such a case, there is a concern that the retaining piece 80 may come off the hook 50 when an external force is applied to the retaining piece 80 due to the accumulation of strain in the retaining piece 80. . In the present embodiment, as described above, the displacement of the fixed end portion 81 of the retaining piece 80 is regulated by the shaft support portion 15 of the ring 10, so that the hook 50 is in the biased state as described above. Even when it is mounted on the hook 50, it is possible to prevent the retaining piece 80 from coming off the hook 50.

  In the present embodiment, when the retaining piece 80 is twisted and attached to the hook 50, even if the fixed end portion 81 of the retaining piece 80 damages the hook 50, the shaft supporting portion 15 of the ring 10 may be used. The exposure of the wound can be suppressed. Thereby, generation | occurrence | production of the inferior goods at the time of an external appearance test | inspection can be avoided, and the yield of the coupling tool 100 can be aimed at.

Second Embodiment
The second embodiment will be described with reference to FIGS. FIG. 5 is a schematic exploded perspective view of the connector, showing a state before the hook with the retaining piece integrated is attached to the ring. FIG. 6 is a schematic perspective view of the connector after assembly. FIG. 7 is a schematic side view of the hook before assembly, and shows a normal state before assembly with the notch of the hook body opened. FIG. 8 is a schematic diagram showing a schematic cross-sectional configuration of the connector after assembly.

  In the present embodiment, the end portion 81 of the retaining piece 80 corresponding to the fixed end portion 81 of the retaining piece 80 of the first embodiment is surrounded by the shaft support portion 15 of the ring 10 together with the hook shaft portion 60 of the hook 50. The Thereby, the tolerance with respect to the external force of the retaining piece 80 can be improved.

  In the present embodiment, unlike the first embodiment, the retaining piece 80 is not provided as a separate linear spring with respect to the hook 50 but is provided integrally with the hook 50. Even in such a case, the same effect as the first embodiment can be obtained. In addition, according to the present embodiment, compared with the first embodiment, the number of parts can be reduced, and the step of attaching a separate retaining piece to the hook can be omitted, so that the total cost is expected to be reduced. it can.

  As shown in FIG. 5, the retaining piece 80 is a member extending vertically along the rotation axis AX, and is integrated with the hook 50, specifically, with respect to the hook shaft 60 and the head 70. The hook shaft 60 is coupled to the portion on the head 70 side from the lateral direction. The retaining piece 80 includes a retaining base (base portion) 88a and a retaining extension portion (extending portion) 88b that are continuous from the head 70 side. The retaining extension 88b includes a first body 88b1 and a second body 88b2 that are bent and joined. The retaining base 88a is arranged on the side of the hook shaft 60 of the hook 50 via a gap OP55, and the retaining extension 88b is downward from the retaining base 88a to close the notch of the hook body 51 of the hook 50. Extend.

  The retaining base 88 a cooperates with the hook shaft portion 60 to guide the rotation of the shaft support portion 15 around the hook shaft portion 60, and at the end, the outer peripheral side surface 88 k of the shaft support portion 15 around the hook shaft portion 60 rotates. It functions as a guide surface for guiding the movement, and the inner peripheral side surface of the shaft support portion 15 can slide on the outer peripheral side surface 88k. The retaining base 88 a corresponds to the upper shaft portion 62 of the hook shaft portion 60, and cooperates with the upper shaft portion 62 to guide the rotation of the shaft support portion 15, and the hook shaft portion 60. A lower base portion (second base portion) 88a2 corresponding to the lower shaft portion 61 and cooperating with the lower shaft portion 61 for guiding the rotation of the shaft support portion 15 is continuous.

  The upper base portion 88a1 is a rod-like portion extending vertically along the rotation axis AX, and the lower base portion 88a2 is a semicircular flat plate portion existing on a plane orthogonal to the rotation axis AX. As shown in FIG. 5, the width W88a1 of the upper base portion 88a1 is sufficiently narrower than the width W88bc of the first barrel portion 88b1 and the second barrel portion 88b2, so that the hook 50 is twisted while twisting the retaining piece 80. It becomes easy to attach to the ring 10. As is apparent from FIG. 5 and the like, the width W88a1 of the upper base portion 88a1 is sufficiently narrower than the width of the hook shaft portion 60.

  The upper base portion 88a1 of the retaining base portion 88a and the upper shaft portion 62 of the hook shaft portion 60 constitute the shaft structure corresponding to the upper shaft portion described in the first embodiment, and the lower base portion 88a2 of the retaining base portion 88a and the hook The shaft structure corresponding to the lower shaft portion described in the first embodiment is configured by the lower shaft portion 61 of the shaft portion 60. In short, the hook shaft portion 60 according to this embodiment is the one in which the left half of the hook shaft portion 60 of the first embodiment is missing, and the retaining piece 88 has the missing structure. . In the assembled state shown in FIG. 8, the upper base 88a1 is in the same plane orthogonal to the upper shaft 62 and the rotation axis AX, and the lower base 88a2 is orthogonal to the lower shaft 61 and the rotation axis AX. Be in the same plane.

  As shown in FIG. 5, the lower base 88a2 of the retaining base 88a and the first body 88b1 of the retaining extension 88b are substantially in the same plane as the seating surface 51h of the hook body 51. A seating surface 88h is provided, whereby the rotation of the ring 10 relative to the hook 50 can be stabilized. Each of the seating surface 51h and the seating surface 88h is a flat surface extending outward in the radial direction that coincides with the direction away from the rotation axis AX, and occupies different ranges in the circumferential direction around the rotation axis AX. Thus, the seating surface may be provided not only on the hook shaft portion 60 of the hook 50 but also on the retaining piece 80.

  The first body portion 88b1 and the second body portion 88b2 are flat portions, and a bent portion 88d is provided between them. By providing the bent portion 88d, when the retaining piece 80 is pushed by a human finger, the finger first comes into contact with the bent portion 88d and the finger first contact with the hook tip 51n is suppressed. Thereby, the ease of pushing of the retaining piece 80 by a human finger can be suitably ensured. Further, since the second body portion 88b2 is arranged closer to the hook main body 51 than the first body portion 88b1, it is possible to suppress detachment of an object hung on the hook 50 from the hook 50.

  Regarding the attachment of the hook 50 to the ring 10, when the hook 50 is inserted into the shaft hole AO15 of the shaft support portion 15 of the ring 10 from the head 70 side, as shown in FIG. This is done while screwing the stop piece 80 into the ring of the hook body 51. Thereby, as apparent from the comparison between FIGS. 7 and 8, the notch of the hook main body 51 is closed, and the above-described gap OP55 is closed.

  The retaining piece 80 after the elastic displacement in the ring of the hook main body 51 shown in FIG. 8 is given a force for elastic return to the state before the elastic displacement outside the ring of the hook main body 51 shown in FIG. Thus, the closing operation of the notch of the autonomous hook body 51 by the retaining piece 80 is ensured. It can be explained that the pivot center of the retaining piece 80 in use is located at the connecting portion between the base 88a and the extending portion 88b of the retaining piece 80, but the base 88a of the retaining piece 80 is hooked as shown in FIG. When there is a gap between the base portion 88a of the retaining piece 80 and the lower shaft portion 61 of the hook shaft portion 60 without contacting the lower shaft portion 61 of the shaft portion 60, the base portion 88a itself of the retaining piece 80 is also It will pivot slightly.

  In the present embodiment, the retaining base portion 88 a of the retaining piece 80 is a portion to be twisted when the connector 100 is assembled, and the extended portion 88 b of the retaining member 80 is a portion to which an external force is applied when the connector 100 is used. It classifies as. As a result, the retaining base 88a, and ultimately the upper base 88a1, is made thinner than the retaining extension 88b to ensure the ease of twisting, and the width of the retaining extension 88b is sufficiently secured. It is possible to prevent an object hung on the hook during use from coming off the hook due to the twist of the lever.

  In this embodiment, the rotation between the ring 10 and the hook 50 is not hindered by the retaining base 88a of the retaining piece 80 disposed in the shaft hole AO15 of the shaft support 15 of the ring 10. Rather, the retaining base 88 a is configured to guide the rotation of the ring 10 in cooperation with the hook shaft 60, thereby facilitating the rotation between the ring 10 and the hook 50.

  In this embodiment, the opening diameter of the shaft hole AO15 of the shaft support portion 15 gradually decreases as the shaft hole AO15 moves away from the hook main body 51. At the end, as shown in FIG. An opening diameter W15q of the portion surrounding the lower shaft portion 61 and the lower base portion 88a2 on the plane and an opening diameter W15p of the portion surrounding the upper shaft portion 62 and the upper base portion 88a1 on the same plane are satisfied, where W15p <W15q is satisfied. . Thereby, an extra space in the shaft hole AO15 is reduced, and when the shaft support portion 15 of the ring 10 is sandwiched between the head portion 70 of the hook 50 and the hook body 51, the retaining base portion 88a and the hook shaft portion 60 are separated. A mode of being suitably held by the shaft support portion 15 of the ring 10 can be secured, and rattling between the hook 50 and the ring 10 can be reduced. The total width of the lower shaft portion 61 and the lower base portion 88a2 on the same plane matches the above-described opening diameter W15p, and the total width of the upper shaft portion 62 and the upper base portion 88a1 on the same plane matches the above-described opening diameter W15q. To do.

  Based on the above teaching, those skilled in the art can make various modifications to the embodiments. The ring need not be a closed ring, but encompasses all objects / structures as long as any object is attached in any manner. The specific shape of the hook is arbitrary, and includes all objects / structures having a missing ring. The specific configuration of the retaining piece is arbitrary, and does not necessarily need to be configured to autonomously close the notch of the hook. Reference signs included in the claims are for reference only and should not be referenced for the purpose of limiting the scope of the claims.

DESCRIPTION OF SYMBOLS 10: Ring 11: Ring frame 12: Hook 13: Base 14: Connection part 15: Shaft support part 50: Hook 51: Hook main body 51h: Seating surface 51j: Arc-like extension part 51k: Bending part 51m: Hook base end 51n: hook tip 52: engagement groove 60: hook shaft portion 61: lower shaft portion 62: upper shaft portion 64: mounting portion 68: bulging portion 68h: seating surface 70: head 80: retaining piece 81: end / Fixed end part 82: End part / Free end part 83a: One end horizontal bar part 83b: First vertical bar part 83c: Connection bar part 83d: Second vertical bar part 83e: Other end horizontal bar part 88a: Retaining base 88a1 : Upper base part 88a2: Lower base part 88b: Retaining extension part 88b1: First trunk part 88b2: Second trunk part 88d: Bending part 88h: Seating surface 100: Connecting tool

AX: axis AO15: shaft hole FO51: hook opening RO11: ring opening SL16: slit SL17: slit OP55: gap

Claims (15)

The shaft (60) of the hook (50) is pivotally supported by the shaft support (15) of the mounting body (10), and the hook (50) and the mounting body (10) are rotatably engaged, The shaft support (15) of the body (10) has a shaft hole (AO15) that receives at least the shaft (60) of the hook (50) as an shaft hole (AO15) that penetrates the shaft support (15). A connector (100) provided,
The hook (50) is integrally or separately provided with a retaining structure (80) for sealing a notch of the hook (50), and the retaining structure (80) is provided on the mounting body (10). An end portion (81) disposed in the shaft hole (AO15) of the shaft support portion (15) is provided, and the end portion (81) is connected to the shaft portion (60) of the hook (50) and the shaft support portion. (15)
The shaft hole (AO15) is formed so that a head (70) coupled to the shaft portion (60) passes through the shaft hole (AO15) by expanding the diameter of the shaft hole (AO15) by a slit. 60) that allows insertion of the hook body (51) of the hook (50) coupled to the shaft portion (60) and does not allow insertion of the hook body (51).
The coupling tool according to claim 1, wherein a width of the end portion (81) of the retaining structure (80) is equal to or less than a width of the shaft hole (AO15) or equal to or less than a width of the shaft portion (60). Before Kijiku portion (60) is greater than the opening diameter of the inlet of the opening diameter other outlet of the shaft hole which is inserted (AO15), said shank (60), the inlet of the shaft hole (AO15) A shaft-like bulging portion (61) that bulges toward the inner peripheral side surface of the shaft support portion (15) that defines the side, and the inner peripheral side surface of the shaft support portion (15) is the shaft-like bulging portion (61 3) is slidable on the outer peripheral side surface.   At least one seating surface (51h, 68h, 88h) extending in a direction away from the rotation axis (AX) between the hook (50) and the attachment body (10) is provided on the hook (50), and the attachment The coupling tool according to any one of claims 1 to 3, wherein the shaft support (15) of the body (10) is seatable on the seating surface (51h, 68h, 88h). The hook (50) includes a hook body (51) to which the shaft portion (60) is coupled and the notch is provided,
The coupling tool according to claim 4, wherein at least one of the seating surfaces (51h) is provided between the hook body (51) and the shaft portion (60).   The shaft portion (60) of the hook (50) is provided with a bulging portion (68) that bulges toward the hook tip (51n) side of the hook (50), and at least one seating surface (68h). The connector according to claim 4 or 5, wherein is provided at the bulging portion (68). The retaining structure (80) is a spring integrally coupled to the hook (50), and a base portion (88a) surrounded by the shaft support portion (15) of the attachment body (10); An extension (88b) extending from the base (88a) to close the notch of the hook (50),
6. A coupling device according to claim 4 or 5, wherein at least one seating surface (88h) is provided between the base (88a) and the extension (88b). The retaining structure (80) is a linear spring including at least one linear end portion (83a, 83e) that is engaged with the shaft portion (60) of the hook (50);
The displacement of the linear end portions (83a, 83e) locked to the shaft portion (60) is regulated by the shaft support portion (15). Coupling tool.   The coupling tool according to claim 8, wherein an inner peripheral side surface of the shaft support portion (15) exists on an extension line of the linear end portions (83a, 83e).   At least two notches (63p, 63q) provided at predetermined intervals in a direction surrounding the shaft portion (60) are provided on the outer peripheral side surface of the shaft portion (60), and the two notches (63p) are provided. The connecting end according to claim 8 or 9, wherein the linear end portions (83a, 83e) are locked to the attachment portion (64) of the shaft portion (60) sandwiched between the shaft portions (60).   The retaining structure (80) is a spring integrally coupled to the hook (50), and a base portion (88a) surrounded by the shaft support portion (15) of the attachment body (10); 6. A coupling device according to any one of the preceding claims, comprising an extension (88b) extending from the base (88a) to close the notch of the hook (50).   The connector according to claim 11, wherein the base portion (88a) of the retaining structure (80) includes a narrower portion than the extending portion (88b). The base portion (88a) has a first base portion (88a1) and a second base portion (88a2) along a rotation axis (AX) of the hook (50) and the attachment body (10), and the shaft portion (60 ) Has a first shaft portion (62) and a second shaft portion (61) along the rotation axis (AX),
The total width of the second base part (88a2) and the second shaft part (61) arranged in the same plane orthogonal to the rotation axis (AX) is in the same plane orthogonal to the rotation axis (AX). The connector according to claim 11 or 12, which is wider than a total width of the first base portion (88a1) and the first shaft portion (62) disposed on the base. The shaft (60) of the hook (50) is pivotally supported by the shaft support (15) of the mounting body (10), and the hook (50) and the mounting body (10) are rotatably engaged, A coupling tool (100) provided with a space (AO15) for receiving at least the shaft portion (60) of the hook (50) in the shaft support portion (15) of the body (10),
The hook (50) is integrally or separately provided with a retaining structure (80) for sealing a notch of the hook (50), and the retaining structure (80) is provided on the mounting body (10). It has an end (81) arranged in the space (AO15) of the shaft support (15), and the end (81) is connected to the shaft support (60) together with the shaft (60) of the hook (50). 15)
The retaining structure (80) is a linear spring including at least one linear end portion (83a, 83e) that is engaged with the shaft portion (60) of the hook (50);
A coupling tool in which displacement of the linear end portions (83a, 83e) locked to the shaft portion (60) is restricted by the shaft support portion (15). The shaft (60) of the hook (50) is pivotally supported by the shaft support (15) of the mounting body (10), and the hook (50) and the mounting body (10) are rotatably engaged, A coupling tool (100) provided with a space (AO15) for receiving at least the shaft portion (60) of the hook (50) in the shaft support portion (15) of the body (10),
The hook (50) is integrally or separately provided with a retaining structure (80) for sealing a notch of the hook (50), and the retaining structure (80) is provided on the mounting body (10). It has an end (81) arranged in the space (AO15) of the shaft support (15), and the end (81) is connected to the shaft support (60) together with the shaft (60) of the hook (50). 15)
The retaining structure (80) is a spring integrally coupled to the hook (50), and a base portion (88a) surrounded by the shaft support portion (15) of the attachment body (10); An extension (88b) extending from the base (88a) to close the notch of the hook (50),
Between the base part (88a) and the shaft part (60), a clearance (OP55) that allows displacement of the base part (88a) relative to the shaft part (60) is arranged, and the direction away from the shaft part (60) Displacement of the base part (88a) heading toward the connector is restricted by the pivotal support part (15).

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