JP5170889B2 - buckle - Google Patents

Description

  The present invention relates to a buckle that contributes to an improvement in design of an object to be used.

  2. Description of the Related Art Conventionally, a buckle is used as a connecting member for a belt-like body (belt, tape, etc.) constituting at least a part of a shoulder belt, a side compression, a chest strap, etc. in a rucksack.

As this type of buckle, for example, a hollow cylindrical female member provided with an insertion hole and a locking portion, and an elastic piece provided with a corresponding engaging portion at the tip for engaging with the locking portion, A buckle is known which consists of male members at both ends of the front surface, and which has recesses at both ends of the front surface of the collar portion sandwiched between the elastic pieces so that the collar portion and the elastic pieces overlap in the length direction. (See Patent Document 1). In the coupled state, the buckle pushes the engaging part of the male member exposed from the opening of the female member to bend the elastic piece, thereby releasing the engagement between the engaging parts. It has the structure which isolate | separates a female member and a male member by moving a member to the direction which leaves | separates relatively.
JP 2000-106916 A

  By the way, in the use object of a buckle (a connected body such as a rucksack or a bag), it may be desired to shield at least a part of the buckle with a sheet material or the like constituting the main body in order to improve its design. is there. However, in the above-described conventional buckle, if the opening portion of the female member where the engaging portion of the male member is exposed is covered with a sheet material or the like, there is a problem that the operability when separating the buckle is significantly reduced. there were.

  The present invention has been devised in view of such problems of the prior art, and at least the female member can be shielded without interfering with the coupling / separation operation between the male member and the female member of the buckle. It aims at providing the buckle which contributes to the improvement of the design property of use object.

  A first invention made to solve the above problems is a buckle (1) comprising a male member (2) and a female member (3) coupled to the male member, wherein the male member The elastic piece (12) is projected, and the elastic piece receives an operating force and an engaging portion (12b) locked to the female member when the male member and the female member are coupled. A release operation portion that displaces the engagement portion in a direction to release the locking, and the release operation portion overlaps the female member in a state where the male member and the female member are coupled to each other. Do not configure.

  As a second aspect of the invention, the male member may have a belt-like body attachment portion (11) to which a belt-like body is attached, and the elastic piece may protrude from the belt-like body attachment portion.

  Moreover, 3rd invention can set the said elastic piece as a pair, and can be set as the structure each protruded from the both sides of the said strip | belt-shaped body attachment part. In this case, not only can the length of the male member (buckle) be reduced by overlapping the rear portion of the elastic piece and the belt-like body mounting portion, but even if the female member is shielded, There is an advantage that the operation of the member can be performed, and as a result, the operability can be improved.

  According to a fourth aspect of the present invention, the female member has a wall portion (25, 52) in which a receiving portion on which the engaging portion is locked is provided, and the male member is provided on the wall portion. A chamfered portion (25b, 52b) may be formed at an end portion on the side to be coupled to the.

  As a fifth aspect of the present invention, the female member has a wall portion (25) in which a receiving portion to which the engaging portion is locked is provided, and the wall portion is coupled to the male member. The notch part (25c) which exposes the said operation cancellation | release part can be made into the structure formed in the edge part on the side to perform.

  According to the first aspect of the present invention, at least the female member can be shielded without interfering with the coupling / separation operation between the male member and the female member of the buckle, which can contribute to the improvement in design of the object to be used. . According to the second aspect, in the configuration in which the belt-like body can be attached to the male member, at least the female member can be shielded without hindering the coupling / separation operation between the male member and the female member of the buckle. According to the third aspect of the invention, the male member and the female member can be stably coupled / separated by the pair of elastic pieces, and the design can be improved. According to the fourth aspect of the present invention, when the user gives an operation force to the operation release portion, the operation release portion is configured such that the finger is applied to the chamfered portion (surface inclined inward) of the side wall of the female member. By picking up, a force in the separating direction is applied to the female member, which makes it possible to smoothly perform the separating operation. According to the fifth aspect, it is possible to secure a larger region of the operation release portion (that is, the portion not overlapping with the female member) in the elastic piece, and the operability of the buckle is improved.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following, unless otherwise specified, the terms “front” and “rear” indicating directions in the description of the buckle correspond to the connecting direction of the male member to the female member and the opposite direction, respectively.

  1 is a sectional view of a buckle according to a first embodiment of the present invention, FIG. 2 is a plan view of a male member constituting the buckle of FIG. 1, and FIG. 3 is a sectional view taken along line III-III in FIG. FIGS. 4 and 5 are a plan view and a front view of the female member constituting the buckle of FIG. 1, respectively. The male member shown in FIG. 1 corresponds to the II cross section in FIG.

  As shown in FIG. 1, the buckle 1 includes a male member 2 and a female member 3 coupled to the male member 2, and connects two coupled bodies (not shown) to which these members are respectively attached. It is provided.

  As shown in FIGS. 2 and 3, the male member 2 has a belt-like body attaching portion 11 to which the belt-like body B made of a belt, a tape, or the like is attached, and the left and right side portions 11 a of the belt-like body attaching portion 11. In order to guide the coupling between the pair of protruding elastic pieces 12 and the female member 3, the guide piece 13 protruded between the elastic pieces 12 from the front part 11b of the belt-like body attaching part 11 toward the front. These are integrally formed of a synthetic resin material.

  The strip-shaped body attaching portion 11 is provided with a cross bar 16 so as to cross the central opening 15 left and right, and is wound around the strip-shaped body B as shown in FIG. At this time, the band-like body B is pressed against the rear end edge 17a of the tongue-like portion 17 in a state in which the inner free end side B2 is bent by pulling the fixed end side B1 downward, Thereby, it is firmly fixed by the frictional force between the tongue-like portion 17 and the cross bar 16. Moreover, the strip | belt-shaped body B can adjust the length (effective length of the strip | belt-shaped body B) of the fixed end side B1 by adjusting the extraction length of the free end side B2 from the opening 15. FIG.

  The elastic pieces 12 are symmetrical to each other, and on the rear end side thereof, a connecting portion 12a connected to the rear end of the side portion 11a of the strip-shaped body attaching portion 11 is provided, and on the front end side thereof, the female member 3 is provided. A latching claw (engagement portion) 12b to be latched projects outwardly and rearwardly. The portion of the elastic piece 12 excluding the connecting portion 12a is disposed laterally separated from the belt-like body attaching portion 11, and thus the elastic piece 12 has the locking claw 12b on the inner side (engagement with the female member 3). It can be elastically deformed with the connecting portion 12a as a fixed point so as to be displaced in the direction of releasing the stop. In addition, the length of the elastic piece 12 that can displace the locking claw 12b inward by a predetermined amount by making the rear part of the elastic piece 12 and the belt-like body attaching part 11 overlap in this way. There is an advantage that the length of the male member 2 (buckle 1) can be reduced while securing the above.

  In the elastic piece 12, at least the rear side of the intermediate portion 12c located between the connecting portion 12a and the locking claw 12b functions as a release operation portion that receives an operating force for displacing the locking claw 12b inward. As shown in FIG. 1, the release operation portion does not overlap the female member 3 member in the coupled state of the buckle 1 (that is, in this embodiment, it is exposed without being inserted into the locking hole 24 of the female member 3. Is in a state.

  As shown in FIGS. 4 and 5, the female member 3 is protruded from the bottom surface of the main body 21 and the main body 21, and is provided with a plurality of mounting legs that are used for attachment to a connected body (not shown). The same as the male member 2, these are integrally formed of a synthetic resin material.

  The main body 21 is provided with a guide hole 23 extending in the connecting direction with the male member 2 and locking holes 24 arranged on the left and right sides of the guide hole 23. When coupled with the male member 2, as shown in FIG. 1, the guide piece 13 of the male member 2 is inserted into the guide hole 23, and the elastic piece 12 of the male member 2 is inserted into the locking hole 24. Is done. On the inner side of the rear end of the left and right side walls 25 that define a part of the locking hole 24 of the female member 3, there is a locking claw (receiving portion) 25a for locking the locking claw 12b of the male member 2 on the inner front side. Projected toward. Further, a chamfered portion (here, an inclined surface inclined inward) 25b is formed on the rear end outside of the left and right side walls 25.

  In the buckle 1 configured as described above, when the male member 2 and the female member 3 are coupled, the user supports the male member 2 so as to grip the intermediate portion 12c of the elastic piece 12, and the tip of the guide piece 13 is supported. It inserts in the guide hole 23 of the female member 3, and the male member 2 is moved ahead in this state. As a result, the coupling between the two is guided, and the elastic piece 12 of the male member 2 is inserted into the locking hole 24. At this time, the elastic piece 12 moves forward while displacing the tip of the elastic piece 12 in contact with the locking claw 25a of the female member 3, and the tip position of the locking claw 12b exceeds the tip position of the locking claw 25a. When it is, it is displaced outward so that it can be restored to its original state. As a result, as shown in FIG. 1, the locking claw 12b is locked to the locking claw 25a, and the coupling between the two is completed.

  On the other hand, when the male member 2 and the female member 3 are separated, as shown by a two-dot chain line in FIG. 1, the user holds the release operation part (exposed part of the intermediate part 12c) inward. Give the operation power. Thereby, the latching claw 12b is displaced inward and the latched state with the latching claw 25a is released. In this state, the male member 2 is pulled backward to complete the separation of the two. At this time, when the user gives an operation force to the operation release unit by picking the release operation unit so that the fingertip is applied to the chamfered portion 25b, the force to the front (separation direction) with respect to the female member 3 The separation operation can be performed smoothly.

  FIG. 6 is a cross-sectional view of an essential part showing a modification of the female member shown in FIG. In this modified example, the female member 3 does not have the chamfered portion 25b (see FIG. 1) outside the rear end of the left and right side walls 25, but instead of the notched portion 25c (also indicated by a two-dot chain line in FIG. 4). Is formed. By forming the notch 25c, it becomes possible to secure a larger region of the operation release portion that does not overlap the female member 3 in the elastic piece 12, and the operability when the buckle 1 is coupled / separated is improved. . In some cases, the buckle 1 can be made compact by shortening the operation release portion (elastic piece) by the amount exposed by the formation of the notch portion 25c.

  FIG. 7 is an explanatory diagram showing a structure for attaching the buckle to the ricksack (object to be used) according to the first embodiment. Here, the case where the buckle 1 is used for the side compression 32 of the rucksack 31 is shown.

  The rucksack 31 has a resin sheet (sheet material) 33 constituting a design surface on the front side thereof, and the back surface 33a of the resin sheet 33 expands in a circle of FIG. As shown, the female member 3 is fixed. As described above, the rucksack 31 improves design by shielding at least the female member 3 with the resin sheet 33 (that is, excluding from the design). The peripheral edge of the resin sheet 33 is sewn to the rucksack main body except for the rear end side of the female member 3 (the side coupled to the male member 2). In addition, the belt-like body B constituting the side compression 32 is fixed at the rear end side to the rucksack main body and attached at the front end side to the belt-like body attaching portion 11 of the male member 2.

  In the rucksack 31 having the above configuration, the user supports the male member 2 so as to pick the operation release portion of the elastic piece 12 and joins the male member 2 to the female member 3 in the same manner as described above. The male member 2 can be separated from the female member 3 by applying an inward operation force to the release operation portion. At this time, as shown in FIG. 7B, the release operation portion of the male member 2 that does not overlap the female member 3 is exposed from the resin sheet 33 in the coupled state of the male member 2 and the female member 3. Therefore, the coupling / separation operation between the male member 2 and the female member 3 is not hindered.

  FIG. 8 is a partial cross-sectional view of a buckle according to a second embodiment of the present invention. In the buckle shown in FIG. 8, the same components as those in the buckle according to the first embodiment are denoted by the same reference numerals. Further, items not particularly mentioned below are the same as those in the first embodiment.

  The male member 2 is provided with a protruding portion 41 that protrudes outward from the intermediate portion 12 c of each elastic piece 12. The protrusion 41 functions as a slip stopper when the user moves the male member 2 forward by gripping the intermediate portion 12c of the elastic piece 12 with a finger. Further, when the user joins the male member 2 to the female member 3, the protrusion 41 contacts the rear end surface 25d of the left and right side walls 25 of the female member 3, and the forward movement of the male member 2 is restricted. Thus, it is possible to recognize the completion of the combination.

  FIG. 9 is a perspective view of a buckle according to a third embodiment of the present invention. In the buckle shown in FIG. 9, the same components as those in the buckle according to the first embodiment are denoted by the same reference numerals. Further, items not particularly mentioned below are the same as those in the first embodiment.

  The male member 2 has one elastic piece 12 projecting forward from the front center of the strip-shaped body mounting portion 11 having a substantially concave shape in plan view, and forward from the front left and right ends of the strip-shaped body mounting portion 11. And a pair of guide pieces 13 projecting. The elastic piece 12 is provided with a connecting portion 12a connected to the belt-like body attaching portion 11 on the rear end side, and with a locking claw 12b locked on the female member 3 on the front end side. The intermediate portion 12c functions as a release operation portion that displaces the locking claw 12b inward by receiving an operation force. The female member 3 is provided with an opening 51 into which the elastic piece 12 and the guide piece 13 of the male member 2 are inserted, and is inserted into the inner surface of the upper wall 52 that defines a part of the opening 51. A locking groove (not shown) capable of locking the locking claw 12b is provided. Further, a chamfered portion 52b is formed on the outer rear end of the upper wall 52 of the female member 3, and as in the case of the first embodiment, the user can operate the release operation portion so that the fingertip covers the chamfered portion 52b. (That is, the intermediate portion 12c is pushed downward), the separation operation can be performed smoothly. The guide piece 13 guides the coupling between the male member 2 and the female member 3 by slidingly contacting the inner surfaces of the left and right side walls 53 of the female member 3.

  Although the present invention has been described in detail based on specific embodiments, these embodiments are merely examples, and the present invention is not limited to these embodiments. The material and shape of the buckle according to the present invention (including the number and arrangement of the elastic pieces, the engaging portions provided on the elastic pieces, and the forms of the corresponding engaging portions on the female member side for locking the male pieces) are male. Various modifications are possible as long as at least the female member can be shielded without interfering with the coupling / separation operation between the member and the female member. Further, the bag to which the buckle according to the present invention can be applied is not limited to the rucksack, and is used for carrying an article and carrying it, and has an arbitrary bag shape having a belt or the like that is detachably provided via a connector. You can use any tool. Furthermore, the member which shields a buckle should just exclude a female member from the design of use object, and various changes, such as not only the said sheet | seat material but a box-shaped member, are possible.

Sectional drawing of the buckle which concerns on 1st Embodiment of this invention. 1 is a plan view of the male member of the buckle of FIG. III-III sectional view in FIG. 1 is a plan view of the female member of the buckle of FIG. The front view of the female member of the buckle of FIG. Sectional drawing of the principal part which shows the modification of the female member shown in FIG. Explanatory drawing which shows the attachment structure of the buckle which concerns on 1st Embodiment. Partial sectional view of a buckle according to a second embodiment of the present invention The perspective view of the buckle which concerns on 3rd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Buckle 2 Male member 3 Female member 11 Strip body attachment part 12 Elastic piece 12a Connection part 12b Locking claw (engagement part)
12c Intermediate part (release operation part)
13 Guide piece 23 Guide hole 24 Lock hole 25 Side wall 25a Lock claw 25b Chamfer 25c Notch 31 Rucksack 32 Side compression 33 Resin sheet 34 Belt 41 Protrusion 51 Opening 52 Upper wall 52b Chamfer B Band

Claims (2)

A buckle comprising a male member and a female member coupled to the male member,
The male member includes a strip mounting portion strip is attached, and a pair of elastic pieces from both sides of the strip mounting portion projecting from the coupling direction of the female member,
The elastic piece includes an engaging portion locked to the female member when the male member and the female member are coupled, and the engaging portion in a direction to release the locking by receiving an operating force. A release operation part to be displaced , and a connection part for connecting the rear end of the release operation part and the rear ends of both side parts of the belt-like body attaching part ,
The female member has a pair of side walls each provided with a receiving portion to which the engaging portion is locked, and the female member has an outer side of an end portion of the pair of side walls coupled to the male member. A chamfer is formed,
When the male member and the female member are coupled, the release operation unit is elastically deformable to the side portions that are directions in which the engagement portion is unlocked. while overlapping in said coupling direction, a buckle wherein the female member and wherein the non-overlapping in the coupling direction. Wherein the side wall of the female member, the engagement receiving portion engaging portion is engaged, together with the respectively found on the inside, notch for exposing the operation release portion at an end portion on the side for coupling with the male member The buckle according to claim 1, wherein each is formed.

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