JP2008002574A - Synthetic resin loop clutch - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a synthetic resin loop clutch easy to mount on a fastener fixed to a commodity such as a bag or a bagged article and easy to assemble in a rigid structure. <P>SOLUTION: The loop clutch comprises a body 1, a hook body 2, and a supporting ring 3. The body 1 has an anti-come-off piece 11 for sealing a hook portion 22 to the lower face of a base portion 10 and an elastic piece 12 arranged in parallel thereto for turning the hook body 2 in a vertical plane. A shaft portion 13 is provided on the surface and reverse of the base portion 10. The hook body 2 has a pair of side plates 25 covering the base portion 10 of the body 1 at its surface and reverse and having a hole portion 24 into which the shaft portion 13 can be inserted. A storage recessed portion 26 is provided inside the side plates 25 for storing the base portion 10 and the elastic piece 12. The front end of the hook body 2 is turned in the direction of approaching/leaving the front end of the anti-come-off piece 11. The supporting ring 3 is integrally provided at the upper end of the base portion 10 or journaled thereto to be horizontally turnable. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a ring made of a synthetic resin that can be easily hooked and connected to a fastener attached to a bag, bag, etc. through a belt used in a shoulder bag, a rucksack, etc. It is.

Conventionally, an annular frame or support ring to which a belt such as a shoulder bag can be attached, and a hook body in which a hook and an elastic piece are arranged side by side are rotated with respect to the frame body in order to finish the ring that can be easily handled. Rings that are freely supported are known. For example, as shown in FIG. 9, a single base and a pair of left and right conversion rods are connected, the whole forms an isosceles triangle, and a hole-like opening in which the outside expands in the center at the center of the pair of left and right conversion rods And a holder formed so that it can be deformed by providing a cut into the reduced diameter portion inside the opening, and a shaft portion is provided on one surface of the substrate, and the enlarging expansion at the tip of the shaft portion The hook body is formed on the other surface of the substrate, and the hook body and the closed tongue piece that can be elastically deformed are formed side by side, and the shaft protruding from the hook body substrate with respect to the opening of the holder There is known a ring formed by inserting an enlarged portion at the tip of a portion so as to be rotatable.
Japanese Patent No. 2932138

  The ring shown in FIG. 9 described in the previous section is a type in which the hook body is pivotally supported with respect to the holding tool to which the belt is attached. There is the convenience that the mounting position can be adjusted while rotating in the horizontal plane. However, since the hook portion of the hook body is integral with the substrate, the closed tongue piece is pressed and elastically deformed, and a ring is attached to a stopper fixed to a bag or bag. Accordingly, since the closed tongue piece cannot be formed into a thick and sturdy closed tongue piece, the closed tongue piece may be broken or broken when a large force is applied to the ring. Further, when the ring to be formed is attached to a fastener such as a bag or bag, the hook main body is fixed and simply rotated in a horizontal plane, so that there is a problem that the attaching operation is troublesome.

  The present invention has been invented in view of the above-mentioned problems, and the invention according to claim 1 of the present invention is free from the hook portion of the hook body in the formed ring with respect to the main body having the retaining piece. It can be mounted so that it can rotate in a vertical plane, and the formed ring can be attached to a fastener fastened to an article such as a shoulder bag or bag, and the formed ring itself can be formed into a sturdy structure. The main object is to provide a ring made of synthetic resin that can be easily assembled.

  In addition to the object of the invention described in claim 2, the invention described in claim 2 is a type in which a support ring for attaching a belt and a main body provided with a retaining piece are formed by synthetic molding using synthetic resin, and can be easily manufactured. The object is to provide a ring made of synthetic resin.

  In addition to the object of the invention described in claim 3, the invention described in claim 3 is a ring formed of a type formed so that a main body provided with a retaining piece can be rotated in a horizontal plane with respect to a support ring to which a belt is attached. It is an object to provide a ring made of a synthetic resin that can be easily attached.

  In addition to the object of the invention of claim 1, the invention described in claim 4 is an operation in which the hook body rotates in a direction in which the tip of the hook body approaches the tip of the retaining piece with respect to the main body provided with the retaining piece. Providing a ring made of a synthetic resin formed so that the hook body cannot be excessively rotated in cooperation with the restriction of rotation caused by contact between the tip of the hook body and the tip of the retaining piece. With the goal.

  In addition to the object of the invention described in claim 2 or 3, the invention described in claim 5 can be applied to the article between the tip of the hook body and the tip of the retaining piece by pressing and rotating the hook body. It is an object to provide a ring made of a synthetic resin capable of opening or closing a gap for passing a fixed stopper.

  In order to achieve the above object, the invention according to claim 1 of the present invention has a synthetic resin main body 1 and a hook body 2, and a retaining piece 11 and an elastic member are provided on the lower surface of a base 10 provided on the main body 1. The shafts 13 projecting from the front and back surfaces of the base 10 are provided in parallel with the piece 12 so as to hang down. The base 23 provided on the hook body 2 covers the front and back surfaces of the base 10 of the main body 1. A pair of front and back side plates 25 is provided, an accommodation recess 26 capable of accommodating the base 10 and the elastic piece 12 is provided inside the side plate 25, and a hole portion 24 into which the shaft portion 13 can be inserted into the side plate 25. In the state where the shaft portion 13 is inserted into the hole portion 24, the hook body 2 is centered on the shaft portion 13, the direction in which the tip of the hook body 2 approaches the tip of the retaining piece 11, and the tip of the hook body 2 Is mounted so as to be rotatable in a direction away from the tip of the retaining piece 11 Fat-made eggplant rings are those whose primary structure.

  The invention according to claim 2 is made of a synthetic resin in which, in addition to the configuration of the invention according to claim 1, a support ring 3 for attaching a belt having a ring shape is formed above the base portion 10 installed in the main body 1 by an integral molding means. It is a ring.

  In addition to the configuration of the invention described in claim 1, the invention described in claim 3 projects a neck 17 having a circular cross section having a massive head 18 at the top end upwardly from the base 10 installed in the main body 1. An insertion hole 37 in which the head 18 cannot be inserted and removed is provided in the annular support ring 3, and the support ring 3 is in a horizontal plane perpendicular to the vertical plane in which the hook body 2 rotates. It is a ring made of a synthetic resin formed so as to be able to rotate.

  In addition to the configuration of the invention described in claim 1, the invention described in claim 4 is provided with an engagement protrusion 15 on the side surface of the main body 1, and the contact portion 31 provided on the upper end of the housing recess 26 of the hook body 2. It is a ring made of a synthetic resin formed so as to be able to face and abut the mating protrusion 15.

  According to the fifth aspect of the present invention, in addition to the configuration of the second or third aspect of the invention, when the hook body 2 rotates in a direction away from the front end of the retaining piece 11, the hook body 2 rotates to the support ring 3. A clearance is formed between the front end of the retaining piece 11 and the hook body 2 is rotated in a direction approaching the distal end of the retaining piece 11 so as to be separated from the support ring 3 and retained. This is a ring made of a synthetic resin in contact with the tip of the piece 11.

  As an effect of the invention of this application, the invention according to claim 1 has a main body made of synthetic resin and a hook body, and a retaining piece and an elastic piece are juxtaposed on the lower surface of the base portion of the main body. A shaft is provided on the rear surface, the base of the hook body is provided with a pair of side plates covering the front and back surfaces of the base of the main body, an accommodation recess for accommodating the base and the elastic piece is provided on the inner side of the side plate, and the shaft is provided on the side plate. The hook body is provided with a hole to be inserted, and the hook body rotates around the shaft portion in the direction in which the tip of the hook body approaches the tip of the retaining piece and in the direction in which the tip of the hook body separates from the tip of the retaining piece. The following effects can be obtained by wearing it as possible.

  Since it can be rotated around the vertical plane of the ring forming the hook body, i.e., the front and back axis of the ring formed, the hook body can be operated by pressing it with a finger so that the tip of the hook body and the retaining piece A gap for inserting a fastener fixed to an article such as a bag or bag can be formed between the front end and the hook body can be easily hooked and attached to the article. In addition, the hook body is thicker and stronger than the retaining piece, and this hook body is operated by pressing. Therefore, unlike the conventional product, the hook body or There is an effect that the retaining piece is finished to a sturdy eggplant ring without being broken or deformed.

  In addition to the effect of the invention described in claim 1, the invention described in claim 2 is such that an annular support ring is integrally formed above the base of the main body, so that a main body and a belt provided with a retaining piece and an elastic piece, etc. Since the support ring to which the bracket is attached is formed by integral molding, the number of parts is small, the product cost can be reduced, and it is possible to finish the ring with a simple assembly.

  In addition to the effect of the invention described in claim 1, the invention described in claim 3 has a neck portion having a huge head at the top end protruding above the base portion of the main body, and the head is fitted and cannot be removed. Is provided on the support ring, and the support ring is formed so as to be rotatable, so that it can be rotated in the horizontal plane with respect to the longitudinal axis of the ring that forms the support ring to which the belt is attached to the main body having the retaining piece and the elastic piece. Since it is mounted so that it can be moved, it is possible to adjust the position of the ring to a fastener fixed to a bag, bag, etc. very easily, and there is an effect that the mounting operation can be simplified.

  In addition to the effect of the invention described in claim 1, the invention described in claim 4 is provided with an engaging protrusion on the side surface of the main body so as to be able to contact the contact portion provided at the upper end of the housing recess of the hook body. Thus, the hook body stops rotating at a normal position with respect to the main body, and the excessive rotation of the hook body is restricted by a simple structure, and an effect can be obtained in which a durable ring is finished.

  According to the fifth aspect of the invention, in addition to the effect of the second or third aspect of the invention, when the tip of the hook body rotates in a direction away from the tip of the retaining piece, the posture approaches the support ring. A gap is formed between the tip of the retaining piece, and when it is rotated in a direction approaching the tip of the retaining piece, the hook body is rotated by coming into contact with the distal end of the retaining piece in a posture away from the support ring. By doing so, it is possible to reliably form a gap through which the fastener fixed to the article is passed between the tip of the hook body and the tip of the retaining piece at a position opposite to the side on which the hook body is pressed. The effects of the present invention are extremely remarkable, such as the effect of easily opening or closing the gap.

  The ring formed in the present invention includes a ring formed in FIGS. 1 to 4 as a first form and a ring formed in FIGS. 5 to 8 as a second form. In any ring, a thermoplastic resin such as polyamide, polyester, polypropylene, or polybutylene terephthalate is used as a synthetic resin, and the formed ring is formed by injection molding means.

  The ring formed in the first form is formed of a main body 1, a hook body 2, and a support ring 3, and the main body 1 has a retaining piece 11 that serves to seal the opening of the hook body 2 on the lower surface of the plate-like base 10. An elastic piece 12 that serves to rotate the hook body 2 in a vertical plane is juxtaposed, and a shaft portion 13 is provided at the center of the front and back surfaces of the base portion 10 so as to engage with the hole portion 24 of the hook body 2. The tip of the shaft 13 is formed with a slope 14 that slopes downward toward the base of the elastic piece 12 to facilitate engagement with the hole 24. An annular support ring 3 is integrally connected to the upper surface of the base portion 10 so that the belt can be inserted, and an engaging protrusion 15 is provided at the outer base of the elastic piece 12.

  The hook body 2 is provided with a base portion 23 in such a manner that the base portion 10 and the elastic piece 12 of the main body 1 are covered with the front and back surfaces, and a hole portion 24 into which the shaft portion 13 is fitted is provided at the center of the base portion 23. The base 23 has a pair of side plates 25 facing the front and back, and an accommodation recess 26 that can accommodate the base 10 and the elastic piece 12 is arranged inside the side plate. A concave groove-shaped guide portion 28 that can guide the shaft portion 13 of the main body 1 toward the hole portion 24 is provided from the opening portion 27 on the inner surface of the side plate 25. The outside of the side plate 25 is connected to the front and back by a connecting wall 30, and an abutting portion 31 is provided at the upper end of the connecting wall 30 to abut against the engaging protrusion 15 of the main body 1. The inner side of the side plate 25 is opened to form an accommodation recess 26 that can accommodate the base 10 and the elastic piece 12 of the main body 1, and the hook body 2 is rotated in the vertical plane by the accommodated elastic piece 12, thereby The engaging concave portion 29 provided on the engaging piece is engaged with the engaging convex portion 16 provided at the tip of the retaining piece 11.

  The ring formed in the second form is formed of a main body 1, a hook body 2, and a support ring 3, and the main body 1 has a retaining piece 11 that serves to seal the opening of the hook body 2 on the lower surface of the plate-like base 10. An elastic piece 12 that serves to rotate the hook body 2 in a vertical plane is juxtaposed, and a shaft portion 13 is provided at the center of the front and back surfaces of the base portion 10 so as to engage with the hole portion 24 of the hook body 2. The tip of the shaft 13 is formed with a slope 14 that slopes downward toward the base of the elastic piece 12 to facilitate engagement with the hole 24. A neck 17 projects from the top surface 19 of the base 10 and a massive head 18 is provided at the tip. The annular support ring 3 is provided with an insertion hole 37 into which the head 18 can be fitted in the center of the lower piece 35, and an enlarged sliding contact surface 38 is provided at the lower end of the insertion hole 37 to provide a top surface of the main body 1. Contact 19 to stabilize. Further, the intermediate portion of the insertion hole 37 forms a large diameter portion 39 having a gap with the neck portion 17. The main body 1 and the support ring 3 are rotatably mounted by a connection mechanism of the neck portion 17.

  The hook body 2 is provided with a hole 24 at the center on both sides of the plate-like base 23 to fit the shaft portion 13 of the main body 1. The upper end of the base 23 forms a top surface 32 that coincides with the top surface 19 of the main body 1 and rotates in contact with the sliding contact surface 38 of the support ring 3. The base 23 has a pair of side plates 25 facing the front and back, and an accommodation recess 26 that can accommodate the base 10 and the elastic piece 12 of the main body 1 is formed inside the side plate 25. A concave groove-shaped guide portion 28 that can guide the shaft portion 13 of the main body 1 is recessed from the opening portion 27 toward the hole portion 24 on the inner surface of the side plate 25. The side surfaces of the side plates 25 are connected to each other by the connecting wall 30, and an abutting portion 31 is provided at the upper end of the connecting wall 30 to abut against the engaging protrusion 15 of the main body 1. The hook body 2 is rotated in the vertical plane in the direction in which the hook portion 22 and the retaining piece 11 are in contact with each other by the elastic piece 12 housed in the housing recess 26, and the engaged surface 33 provided at the tip of the hook portion 22 is moved to the main body 1. The engagement surface 20 provided at the tip of the retaining piece 11 is engaged.

  The ring formed in Example 1 shown in FIGS. 1 to 4 is entirely formed by injection molding using a thermoplastic resin, as described in the first form of the previous section, and is formed from a main body 1, a hook body 2, and a support ring 3. The main body 1 has a single plate-like base portion 10, and a retaining piece 11 for sealing the opening portion of the hook portion 22 in the hook body 2 on the lower surface of the base portion 10, and the hook body 2 is rotated in a vertical plane. An elastic piece 12 is provided in parallel to displace the opening portion of the hook portion 22 between a closed position and an open position, and the retaining piece 11 is a thin elastic plate like a conventional product. In contrast, it is formed from a thick prism and has an outer surface that is continuous with one of the left and right side surfaces of the base 10, and an engaging convex portion 16 is provided at the tip of the outer surface, and the engaging convex portion 16 is provided on the hook portion 22. It is arranged so as to face the concavity 29, and is engaged with the engagement concavity 29. The elastic piece 12 has a reverse letter-shape, a base end portion protruding from the base portion 10, an intermediate portion that curves toward the retaining piece 11 side, and a tip end portion that contacts the housing recess 26 of the hook body 2. have.

  The bottom surface of the base portion 10 between the retaining piece 11 and the elastic piece 12 is formed as an arc-shaped curved surface, and the base end portion of the elastic piece 12 is arranged in parallel with the curved surface at a predetermined interval. As a result, even if the elastic piece 12 is elastically deformed and approaches the base portion 10 side, the base end portion of the elastic piece 12 is deformed within a predetermined distance from the curved surface and does not come into contact with the base portion 10 and is elastic. The elastic deformation of the piece 12 is not hindered. Moreover, since the intermediate part of the elastic piece 12 is formed so as to be curved while approaching the retaining piece 11, the length of the elastic piece 12 becomes long and can be easily elastically deformed. Further, since the distal end portion of the elastic piece 12 is disposed in the receiving recess 26 of the hook body 2, the distal end portion of the elastic piece 12 and the fastener of the article hooked on the hook portion 22 may come into contact with each other. There is no fear that the stopper will damage the tip. Protruding engagement protrusions 15 are provided on the left and right other side surfaces of the base 10, that is, on the outer base of the base end of the elastic piece 12. The engagement protrusion 15 is disposed so as to face the contact portion 31 provided on the hook body 2 and is formed so as to contact the contact portion 31 so that the hook body 2 cannot further rotate.

  A shaft portion 13 protruding in the front and back direction is provided at the center of the front surface and the back surface of the base portion 10 to be fitted into the hole portion 24 of the hook body 2, and the root of the elastic piece 12, that is, the elastic piece 12 is attached to the tip of the shaft portion 13. Is formed so that it can be easily fitted to the hole 24 of the hook body 2 by forming a slope 14 that slopes downward toward the base end side connected to the base 10. As for the tip of the shaft part 13, one half part sandwiching a straight line passing through the center point of the shaft part 13 is formed on the inclined surface 14, and the other half part is formed on a flat surface. Thereby, when the axial part 13 fits in the hole part 24, the thickness required in order to latch so that it may not be pulled out is ensured. An oval support ring 3 composed of an upper piece 36 and a lower piece 35 is integrally connected to the upper surface of the base 10 so that a belt such as a shoulder bag can be inserted therethrough.

  The hook body 2 includes a base portion 23 that accommodates the base portion 10 and the elastic piece 12 of the main body 1 therein. The base portion 23 includes an accommodation recess 26 for accommodating the base portion 10 and the elastic piece 12 of the main body 1, and The housing recess 26 communicates with the housing recess 26 and has an opening 27 for inserting the base 10 and the elastic piece 12. The accommodation recess 26 is provided with a pair of side plates 25 in the front and back direction, and has an opening 27 on one side surface in the left-right direction, that is, the inner side surface of the hook body 2, and on the other side surface in the left-right direction, that is, on the outer surface of the hook body 2. A connecting wall 30 for connecting the pair of side plates 25 is provided, and the pair of side plates 25 and the connecting wall 30 constitute a peripheral wall surrounding the housing recess 26. The pair of side plates 25 cover the base 10 of the main body 1 and the front and back surfaces of the elastic piece 12, and provide a hole portion 24 penetrating the front and back of the side plate 25, and the shaft portion 13 provided on the base portion 10 to the hole portion 24. It is formed so that it can be inserted. Further, a concave groove-shaped guide portion 28 is provided on the inner surfaces of the pair of side plates 25 from the opening portion 27 toward the hole portion 24, and the shaft portion is inserted when the base portion 10 is inserted into the accommodating recess portion 26. Guides 13 to move toward hole 24. The guide portion 28 is gradually narrowed from the opening portion 27 toward the hole portion 24 so that the shaft portion 13 can easily enter the guide portion 28. The front end of the elastic piece 12 abuts against the bottom surface of the housing recess 26 and elastically presses the hook body 2 to urge the front end of the hook portion 22 so that it always moves toward the front end of the retaining piece 11. Yes.

  In order to maintain the state in which the retaining piece 11 closes the hook portion 22, a rotation preventing means for preventing the hook body 2 from rotating against the bias of the elastic piece 12 is necessary. As the means, first, the outer end surface of the retaining piece 11 and the inner surface of the distal end of the hook portion 22 are arranged opposite to each other in the rotational direction of the hook body 2, and the hook portion 22 is prevented from retaining by contacting each other. The hook body 2 is prevented from rotating without getting over the piece 11. Further, as a second means, a contact portion 31 that can contact the engagement protrusion 15 installed on the main body 1 is provided at the upper end of the connecting wall 30, and the contact portion 31 and the engagement protrusion 15 are defined as follows. The hook body 2 is disposed so as to oppose the rotation direction of the hook body 2, and the hook body can be reliably prevented from rotating by contacting each other. A hook portion 22 is formed from the bottom surface to the tip of the housing recess 26 of the hook body 2, and an engagement recess 29 that fits with the engagement projection 16 of the retaining piece 11 is provided at the tip of the hook portion 22. Since the engagement convex part 16 and the engagement concave part 29 are fitted in a state where they overlap in the front and back direction of the retaining piece 11 and the hook part 22, even if an external force is applied to push the retaining part 11 or the hook part 22 from the front and back direction, The arrangement of the retaining piece 11 and the hook portion 22 is not displaced, and the state where the retaining piece 11 closes the hook portion 22 can be reliably maintained.

  The use form of this ring is such that the shaft portion 13 that first protrudes from the base portion 10 of the main body 1 is formed along the concave groove-shaped guide portion 28 formed on the inner surface of the side plate 25 of the base portion 23 of the hook body 2. Insert into. At this time, the inclined surface 14 of the shaft portion 13 is in contact with the side plate 25, and the interval between the side plates 25 is increased. When the shaft portion 13 is fitted into the hole portion 24, the side plate 25 is elastically restored to its original shape, and the shaft portion 13 cannot be removed from the hole portion 24. At the same time, the elastic piece 12 is accommodated in the accommodating recess 26 of the hook body 2 as shown in FIG. When the ring is assembled, the hook body 2 is pressed from the outer surface side and rotated about the shaft portion 13 to elastically deform in the direction approaching the elastic piece 12 and the base portion 10 as shown in FIG. And the retaining piece 11 and the hook portion 22 move in a direction away from each other against the elasticity of the elastic piece 12, creating a gap between them, and holding the fastener fixed to the bag or the like on the hook portion 22. Hook. When the pressing of the outer surface of the hook body 2 is released, the hook portion 22 and the retaining piece 11 are moved in contact with each other by the return of the elastic piece 12, and the respective tips are brought into contact with each other and engaged.

  The ring formed in Example 2 shown in FIGS. 5 to 8 is formed by injection molding using a thermoplastic resin as a whole and composed of the main body 1, the hook body 2 and the support ring 3 as described in the second form of the previous section. The main body 1 has a plate-like base portion 10, and a retaining piece 11 for sealing the opening portion of the hook portion 22 in the hook body 2 on the lower surface of the base portion 10, and the hook body 2 is rotated in a vertical plane. The elastic piece 12 for displacing the opening portion of the hook portion 22 into a closed posture and an open posture is provided in parallel, and the retaining piece 11 is formed in a prismatic shape, The engaging surface 20 that has an outer surface continuous with the side surface and can be brought into contact with the engaged surface 33 of the hook portion 22 is formed as an inclined surface with the tip of the outer surface inclined. The elastic piece 12 has an inverted letter shape, and includes a base end portion protruding from the base portion 10, an intermediate portion that curves toward the retaining piece 11 side, and a tip end portion that comes into contact with the housing recess 26 of the hook body 2. Have. The bottom surface of the base portion 10 between the retaining piece 11 and the elastic piece 12 is formed as an arc-shaped curved surface, and the base end portion of the elastic piece 12 is arranged in parallel with the curved surface at a predetermined interval. Even if the elastic deformation of the elastic piece 12 approaches the base 10 side, the base end portion of the elastic piece 12 is deformed within a predetermined distance from the curved surface and does not come into contact with the base 10, and the elastic deformation of the elastic piece 12 Will not be disturbed.

  Since the intermediate part of the elastic piece 12 is formed so as to be curved while approaching the retaining piece 11, the length of the elastic piece 12 becomes long and can be easily elastically deformed. Further, since the distal end portion of the elastic piece 12 is disposed in the receiving recess 26 of the hook body 2, the distal end portion of the elastic piece 12 and the fastener of the article hooked on the hook portion 22 may come into contact with each other. There is no fear that the stopper will damage the tip. Protruding engagement protrusions 15 are provided on the other left and right side surfaces of the base 10, that is, outside the base of the base end of the elastic piece 12, and the engagement protrusions 15 are provided on the contact portions 31 provided on the hook body 2. The hook body 2 is disposed so as to face the abutting portion 31 so that the hook body 2 cannot rotate any more. A shaft portion 13 protruding in the front and back direction is provided at the center of the front surface and the back surface of the base portion 10 and is fitted into the hole portion 24 of the hook body 2, and the tip of the shaft portion 13 is the root of the elastic piece 12, that is, the elastic piece 12. A slope 14 that slopes downward toward the base end connected to the base 10 is formed so that it can be easily fitted into the hole 24 of the hook body 2. The top surface 19 of the base portion 10 is provided with a neck portion 17 having a circular cross section having the same thickness as the base portion 10, and a massive umbrella-shaped head portion 18 is provided at the tip thereof.

  The support ring 3 is formed in a rectangular shape composed of an upper piece 36 and a lower piece 35, and an insertion hole 37 into which the head 18 can be fitted is provided in the center of the lower piece 35. The bottom surface of the insertion hole 37 is provided with a slidable contact surface 38 having an enlarged diameter so that the support ring 3 can be rotated in the horizontal direction by contacting the top surface 19 of the main body 1, that is, the top surface opposite to the bottom surface. Plan As shown in FIG. 6, a large-diameter portion 39 having a gap with the neck portion 17 is provided at an intermediate portion of the insertion hole 37, and a small-diameter portion 40 is provided at the upper edge of the insertion hole 37. The large-diameter portion 39 has the same diameter as or slightly larger than the diameter of the head 18 so that the head 18 can be easily inserted into the insertion hole 37. On the other hand, the small diameter portion 40 has a diameter smaller than the diameter of the head portion 18, and after the head portion 18 elastically deforms the small diameter portion 40 and protrudes from the upper edge of the insertion hole 37, the head portion 18 has a small diameter portion. Make sure you can't get out of 40. At this time, since the neck portion 17 has a smaller diameter than the small diameter portion 40, the neck portion 17 can freely rotate in the small diameter portion 40. The head portion 18, the neck portion 17, and the insertion hole 37 constitute a connection mechanism, and the main body 1 and the support ring 3 are formed so as to be freely rotatable within the horizontal plane of the ring formed by the connection mechanism of the neck portion 17.

  The hook body 2 includes a base portion 23 that accommodates the base portion 10 and the elastic piece 12 of the main body 1 therein. The base portion 23 includes an accommodation recess 26 for accommodating the base portion 10 and the elastic piece 12 of the main body 1, and The housing recess 26 communicates with the housing recess 26 and has an opening 27 for inserting the base 10 and the elastic piece 12. A hook portion 22 is formed from the bottom surface of the housing recess 26 to the tip of the hook body 2, and the housing recess 26 is provided with a pair of side plates 25 in the front and back direction. A peripheral wall is provided with an opening 27 and a connecting wall 30 that connects the pair of side plates 25 to the other side surface in the left-right direction, that is, the outer surface of the hook body 2, and the pair of side plates 25 and the connecting wall 30 surround the housing recess 26. Is configured. The pair of side plates 25 cover the base 10 of the main body 1 and the front and back surfaces of the elastic piece 12, and provide a hole portion 24 penetrating the front and back of the side plate 25, and the shaft portion 13 provided on the base portion 10 to the hole portion 24. It is formed so that it can be inserted. Further, a concave groove-shaped guide portion 28 is provided on the inner surfaces of the pair of side plates 25 from the opening portion 27 toward the hole portion 24, and the shaft portion is inserted when the base portion 10 is inserted into the accommodating recess portion 26. Guides 13 to move toward hole 24. The front end of the elastic piece 12 abuts against the bottom surface of the housing recess 26 and elastically presses the hook body 2 to urge the front end of the hook portion 22 so that it always moves toward the front end of the retaining piece 11. Yes.

  In order to maintain the state in which the retaining piece 11 closes the hook portion 22, a rotation preventing means for preventing the hook body 2 from rotating against the bias of the elastic piece 12 is necessary. As the means, first, the tip of the retaining piece 11 and the tip of the hook portion 22 are arranged opposite to each other in the rotational direction of the hook body 2, and the hook portion 22 gets over the retaining piece 11 by contacting each other. Without the hook body 2 being rotated. That is, the engaged surface 33 that can come into contact with the engaging surface 20 of the retaining piece 11 is provided as an inclined surface with the tip on the inner surface of the hook portion 22 inclined, and the engaging surface 20 of the retaining piece 11 and the hook portion 22 are provided. The to-be-engaged surface 33 is disposed so as to face the rotating direction of the hook body 2. By making the opposing engaging surface 20 and the engaged surface 33 be inclined surfaces, a wide contact area can be ensured, and the hook body 2 can be reliably prevented from rotating. Further, as a second means, a contact portion 31 that can contact the engagement protrusion 15 installed in the main body is provided at the upper end of the connecting wall 30, and the contact portion 31 and the engagement protrusion 15 are: It arrange | positions facing the rotation direction of the hook body 2, and when each contacts, rotation of a hook body can be blocked | prevented more reliably.

  This ring is used in a manner that the shaft portion 13 projecting from the base portion 10 of the main body 1 is inserted into the housing recess portion 26 along the groove-shaped guide portion 28 formed on the inner surface of the side plate 25 of the base portion 23 of the hook body 2. Insert. At this time, the inclined surface 14 of the shaft portion 13 is in contact with the side plate 25, and the interval between the side plates 25 is increased. When the shaft portion 13 is fitted into the hole portion 24, the side plate 25 is elastically restored to its original shape, and the shaft portion 13 cannot be removed from the hole portion 24. At the same time, the elastic piece 12 is housed in the housing recess 26 of the hook body 2 as shown in FIG. Next, the neck portion 17 having the enormous head portion 18 formed on the top surface 19 of the main body 1 is inserted into the insertion hole 37 formed in the lower piece 35 of the support ring 3, and as shown in FIGS. 37 is in sliding contact with the top surface 19 of the base 10 of the main body 1 and the top surface 32 installed on the side plate 25 of the hook body 2 and is formed so as to be freely rotatable in a horizontal plane. Assembly is complete. As shown in FIG. 8, the ring that has been assembled is an elastic piece as shown in FIG. 8 by fixing the support ring 3 in a predetermined position and then pressing the hook body 2 from its outer surface and rotating it around the shaft portion 13. 12 is elastically deformed in a direction approaching the base 10, and the retaining piece 11 and the hook portion 22 are moved away from each other against the elastic force of the elastic piece 12, creating a gap therebetween, Hold and fasten the fasteners fastened to the bag. When the pressing of the outer surface of the hook body 2 is released, the hook 22 and the retaining piece 11 are moved in contact with each other by the return of the elastic piece 12, and the respective tips are brought into contact with each other and engaged.

  The ring formed by the present invention is used by hooking a ring formed through various belts such as a shoulder bag and a rucksack to a fastener fixed to the bag or bag.

It is a disassembled perspective view of the ring based on Example 1. FIG. It is principal part sectional drawing which cut | disconnected the hook body of the ring made same as the above. It is AA sectional drawing of FIG. 2 of the ring | wheel made same as the above. It is explanatory drawing which shows the action state of the ring made same as the above. It is a disassembled perspective view of the ring based on Example 2. FIG. It is sectional drawing of the principal part which cut | disconnected the hook body and support ring of the ring which are same as the above. It is BB sectional drawing of FIG. 6 of the ring | wheel made same as the above. It is explanatory drawing which shows the action state of the ring made same as the above. It is a disassembled front view of the well-known ring.

Explanation of symbols

1 Body 2 Hook Body 3 Support Ring 10 Base (Main Body)
DESCRIPTION OF SYMBOLS 11 Stop piece 12 Elastic piece 13 Shaft part 14 Slope 15 Engagement protrusion part 17 Neck part 18 Head part 23 Base part (hook body)
24 hole part 25 side plate 26 accommodation recessed part 27 opening part 31 contact part 37 insertion hole

Claims (5)

  It has a synthetic resin main body 1 and a hook body 2, a retaining piece 11 and an elastic piece 12 are juxtaposed on the lower surface of the base portion 10 of the main body 1, and a shaft portion 13 projects from the front and back surfaces of the base portion 10. The base 23 of the hook body 2 is provided with a pair of side plates 25 covering the front and back surfaces of the base 10 of the main body 1, and an accommodation recess 26 for accommodating the base 10 and the elastic piece 12 is provided inside the side plate 25. Is provided with a hole 24 into which the shaft portion 13 is inserted, the hook body 2 is centered on the shaft portion 13, the tip of the hook body 2 approaches the tip of the retaining piece 11, and the tip of the hook body 2 is the retaining piece 11. A ring made of a synthetic resin, which is mounted so as to be rotatable in a direction away from the tip of the resin.   The ring made of synthetic resin according to claim 1, wherein an annular support ring 3 is integrally formed above the base portion 10 of the main body 1.   A neck portion 17 having an enormous head portion 18 at the top end protrudes above the base portion 10 of the main body 1, and an insertion hole 37 into which the head portion 18 is fitted and cannot be removed is provided in the support ring 3, and the support ring 3 is rotated. The ring made of a synthetic resin according to claim 1, wherein said ring is formed.   The ring made of synthetic resin according to claim 1, wherein an engagement protrusion 15 is provided on a side surface of the main body 1 so as to be able to come into contact with a contact portion 31 provided at an upper end of the receiving recess 26 of the hook body 2.   When the tip of the hook body 2 is rotated in a direction away from the tip of the retaining piece 11, the hook body 2 approaches the support ring 3 to form a gap with the tip of the retaining piece 11. The ring made of a synthetic resin according to claim 2 or 3, wherein the ring made of a synthetic resin comes into contact with the tip of the retaining piece 11 when it is rotated in a direction approaching the tip.

Images