CN105992529A - with length adjustment - Google Patents

Abstract

The belt length adjuster (300) includes a main body (100) and a pivot member (200), which is pivotally supported by the main body (100) so as to be able to pivot on the main body (100). The main body (100) includes at least one lower strap winding portion (190), the pivot member (200) includes at least one upper strap winding portion (290), when the pivot member (200) falls on the main body (100), At least one lower tape wrap (190) combined with at least one upper tape wrap (290) constitutes a wrap for the same tape.

Description

with length adjustment

technical field

The present invention relates to a belt length adjuster, and to a buckle comprising the belt length adjuster.

Background technique

Patent Document 1 discloses a detachable connector that can easily adjust the length of a strip. As disclosed in FIG. 2 of this patent document, a fixed member 4 and a movable member 21 are provided on a male member 3 . As disclosed in FIG. 3 of this patent document, the strip-shaped body 1 is wound on the central piece 23 of the movable member 21 .

Patent Document 2 discloses a structure in which a hinge 30 is rotatably supported on a plug 10 . As disclosed in FIG. 7 of this patent document, the belt 3 is wound on a rod-shaped portion 39 .

prior art literature

patent documents

Patent Document 1: Japanese Patent Laid-Open No. 2001-346612

Patent Document 2: International Publication No. 2013/164883

Contents of the invention

The problem to be solved by the invention

One aspect of the present invention aims to improve the strength of a tape winding portion of the tape length adjuster in which the pivot member is provided in a main body so that the pivot member can pivot.

solutions to problems

A belt length adjusting member 300 according to a technical solution of the present invention includes a main body 100 and a pivot member 200, the pivot member 200 is pivotally supported by the main body 100 and can pivot on the main body 100, wherein the main body 100 Including at least one lower strap winding portion 190, the pivot member 200 includes at least one upper strap winding portion 290, the at least one lower strap winding portion Portion 190 in combination with said at least one upper tape winding portion 290 constitutes a winding portion for the same tape.

Preferably, the pivoting member 200 includes an upper frame portion 210, the at least one upper belt winding portion 290 is erected within the frame of the upper frame portion 210, the main body 100 includes a lower frame portion 110, the at least one A lower belt winding part 190 is erected within the frame of the lower frame part 110 , and the upper frame part 210 of the pivoting member 200 can be laid down on the lower frame part 110 of the main body 100 .

Preferably, the lower tape winding portion 190 is provided with a stepped storage portion 191 , and the upper tape winding portion 290 can be arranged on a stepped surface of the stepped storage portion 191 .

Preferably, the pivoting member 200 includes a base end 201 on the side of the pivot axis and a free end 202 on the opposite side to the base end 201, and is closer to the at least one upper belt winding portion 290 than the at least one upper belt winding portion 290. A first belt pressing part 280 is provided at the side of the free end 202, and a second belt pressing part 180 is provided at the at least one lower belt winding part 190. The second belt clamping part 180 clamps the belt together with the first belt clamping part 280 when it is up.

Preferably, concavo-convex structures 180 a , 280 a with concavo-convex complementarity are provided on the first tape pressing portion 280 and the second tape pressing portion 180 .

Preferably, when the pivot member 200 is laid down on the main body 100 , at least a part of the first belt pressing portion 280 is disposed below the second belt pressing portion 180 .

The buckle according to another technical solution of the present invention includes a pluggable male member 400 and a female member 500, wherein at least one of the male member 400 and the female member 500 is provided with the belt length adjusting member 300 .

The effect of the invention

According to one aspect of the present invention, it is possible to improve the strength of the tape winding portion where the tape is wound.

Description of drawings

Fig. 1 is a schematic perspective view of a buckle in which a belt length adjuster and a male member are integrated according to a first embodiment of the present invention.

Fig. 2 is a schematic exploded perspective view of the buckle according to the first embodiment of the present invention.

3 is a schematic exploded plan view of the buckle according to the first embodiment of the present invention. Here, when the paper is viewed from the front, the components are arranged vertically and the center lines of the components are on the same straight line, so that the components can be compared. The left and right width of the component.

4 is a schematic exploded sectional view of the buckle according to the first embodiment of the present invention, showing a cross section of a state before a male member and a female member are connected, and separately showing each component of the male member.

5 is a schematic cross-sectional view of the buckle according to the first embodiment of the present invention, showing a cross-section of a state where a male member and a female member are connected, and a belt is shown by dashed-dotted lines.

6 is a schematic partial enlarged cross-sectional view of the buckle according to the first embodiment of the present invention, showing a state in which the pivot member is slightly inclined with respect to the main body.

7 is a schematic partial enlarged plan view of a male member of the buckle according to the first embodiment of the present invention.

FIG. 8 is a schematic diagram showing an enlarged range of the dotted circle in FIG. 7 , showing that concavo-convex portions of the belt pressing portions are arranged in a complementary manner.

Fig. 9 is a schematic partial enlarged cross-sectional view of the buckle according to the first embodiment of the present invention, showing a process in which the pivot member is lifted from the main body, and Fig. 9(b) is an enlarged view showing the dotted line in Fig. 9(a) circle range.

Fig. 10 is a schematic partial enlarged cross-sectional view of the buckle according to the first embodiment of the present invention, showing a state where the pivot member is erected on the main body, and (b) of Fig. 10 is an enlarged view of The extent of the dashed circle.

11 is a partially enlarged cross-sectional view of a buckle according to a second embodiment of the present invention. FIG. Schematic diagram showing enlarged range of dotted circle in (a).

Fig. 12 is a partially enlarged cross-sectional view of a buckle according to a third embodiment of the present invention, and Fig. 12(a) to Fig. 12(c) show different combinations of an upper tape winding portion and a lower tape winding portion.

Fig. 13 is a schematic perspective view of a belt length adjuster according to a fourth embodiment of the present invention.

Fig. 14 is a schematic exploded perspective view of a belt length adjuster according to a fourth embodiment of the present invention.

detailed description

Hereinafter, embodiments of the present invention will be described with reference to the drawings. Each of the embodiments is not independent, and those skilled in the art can appropriately combine each of the embodiments without excessive explanation, and can grasp the superimposed effect of the combination. In principle, overlapping descriptions between the embodiments are omitted. The accompanying drawings in the specification are appropriately simplified for the main purpose of explaining the invention.

For the description of the embodiment, each direction can be defined as follows. Wherein, the following definitions are used to help the understanding of the present invention, and are not intended to limit the present invention. The left-right direction is consistent with the extension direction of the pivot shaft of the pivot member. The left-right direction may also be referred to as an axis direction. The up-down direction coincides with the stacking direction of the pivot member lying on the main body with the length adjuster, or the partial stacking direction of the part of the body with the length adjuster and the pivot member lying on the portion. The direction perpendicular to the left-right direction and the up-down direction may also be referred to as a longitudinal direction. When the belt length adjuster is a buckle, the length direction refers to the direction in which the female member is inserted into the male member and the direction in which the male member is pulled out from the female member. The insertion/extraction direction is a direction perpendicular to the left-right direction and the up-down direction. The pivoting direction of the pivoting member may also be referred to as pivoting direction. If the pivoting range of the pivoting member is not limited, the pivoting direction has a circular trajectory. Where the pivoting range of the pivoting member has a limit, the pivoting direction has a circular arc trajectory.

<First Embodiment>

A first embodiment will be described with reference to FIGS. 1 to 10 . Fig. 1 is a schematic perspective view of a buckle in which a belt length adjuster and a male member are integrated. Fig. 2 is a schematic exploded perspective view of the buckle. 3 is a schematic exploded plan view of the buckle. Here, when the paper is viewed from the front, the components are arranged vertically so that the center lines of the components are on the same straight line, and the left and right widths of the components can be compared.

Fig. 4 is a schematic exploded cross-sectional view of the buckle, showing a cross-section of a state before a male member and a female member are connected, and separately showing each component of the male member. Fig. 5 is a schematic cross-sectional view of the buckle, showing a cross-section of a state where a male member and a female member are connected, and a belt is shown by dashed-dotted lines. Fig. 6 is a schematic partial enlarged cross-sectional view of the buckle, showing a state in which the pivot member is slightly inclined relative to the main body. Fig. 7 is a schematic partial enlarged plan view of a male member of the buckle. FIG. 8 is a schematic diagram showing an enlarged range of the dotted circle in FIG. 7 , showing that concavo-convex portions of the belt pressing portions are arranged in a complementary manner. 9 is a schematic partial enlarged cross-sectional view of the buckle, showing the process of the pivot member being lifted from the main body, and FIG. 9( b ) shows an enlarged range of the dotted circle in FIG. 9( a ). Fig. 10 is a schematic partial enlarged cross-sectional view of the buckle, showing a state where the pivot member is erected on the main body, and Fig. 10(b) is an enlarged view showing the range of the dotted circle in Fig. 10(a). In addition, in order to illustrate the structure of a buckle in detail, illustration of a belt is abbreviate|omitted in FIGS. 1-3.

As shown in FIGS. 1 to 3 , the buckle 600 includes a male member 400 and a female member 500 , and the male member 400 includes a belt length adjuster 300 that can be understood from the description below. The inclusion of the strap length adjuster 300 by the male member 400 is just one example. The female member 500 may include the belt length adjuster 300 instead of the male member 400 , and the belt length adjuster 300 may be provided on both the male member 400 and the female member 500 . The belt length adjuster 300 may be formed independently of the male member 400 and the female member 500 , and the belt length adjuster 300 may be detachably or non-detachably provided on the male member 400 and/or the female member 500 .

It is expected that the user of the buckle 600 will hold and operate the male member 400 to insert and remove the male member 400 to the female member 500 . In this exemplary embodiment, in consideration of this point, the belt length adjuster 300 is provided on the male member 400 instead of the female member 500, thereby improving the operability of the buckle 600 as a whole.

The male member 400 of the buckle 600 includes a main body 100 and a pivot member 200 pivotally supported by the main body 100 and pivotable on the main body 100 . The main body 100 is provided with a lower belt winding part 190, and the pivot member 200 is provided with an upper belt winding part 290. On the part 190, they are combined to form a tape winding part for the same tape. In addition, as will be described later, it does not matter whether the upper tape winding portion 290 and the lower tape winding portion 190 are in contact with each other.

The female member 500 includes a body portion 510 and a strap winding portion 520 . In a non-limiting form, one end of the strap is wound around the strap winding portion of the male member 400 (the strap winding portion composed of the upper strap winding portion 290 and the lower strap winding portion 190), and the other end of the strap One end side is wound around the tape winding portion 520 of the female member 500 . In another non-limiting form, one end side of the first tape is wound around the tape winding portion of the male member 400 (the tape winding portion composed of the upper tape winding portion 290 and the lower tape winding portion 190), One end of the second tape, which is different from the first tape, is wound around the tape winding portion 520 of the female member 500 . The belts not shown in Fig. 1 to Fig. 3 etc. are flexible textiles or braids with any thickness, and are typically elongated bodies with a certain width, but other types may also be used. form. Ribbon may also be referred to as a string, rope (Japanese: 纯), cord (Japanese: コード), etc. The material of the belt is arbitrary.

The male member 400 may also be called a plug, the female member 500 may be called a socket, and the pivot member 200 may be called a hinge. The specific structures of the main body 100 and the pivoting member 200 of the male member 400 are arbitrary and should not be limited to the specific shapes illustrated in the present invention. There are various forms of the specific structure of the female member 500, and the disclosed form is just an example. The male member 400 and the female member 500 are manufactured by mold molding of synthetic resin such as polyacetal resin and polyimide resin, but parts of the male member 400 and female member 500 may be replaced with metal members. For example, inserting a metal bar into the pivot member 200 in a manner corresponding to the pivot shaft increases the strength of the shaft. Alternatively, a metal rod is embedded in the main body 100 side as a pivot shaft. In addition, the term "pivot" should be interpreted in a broad sense, including shapes with a smaller or larger pivot range.

The main body 100 of the male member 400 includes a lower frame portion 110, a pair of left and right leg portions 410 connected to the lower frame portion 110 and extending in the insertion/extraction direction, and a guide rail extending in the insertion/extraction direction at the left and right centers of the left and right pair of leg portions 410. The rod 450 and a pair of left and right plate parts 460 are connected to the proximal end of the guide rod 450 and extend in the insertion/extraction direction. At least one lower tape winding portion 190 extending in the left-right direction is provided on the lower frame portion 110 . The lower tape winding unit 190 is spanned within the frame of the lower frame unit 110 . Further, a pair of left and right shaft support portions 120 are provided on the lower frame portion 110 , and a pair of left and right shaft portions 220 of a pivot member 200 described later are fitted to the pair of left and right shaft support portions 120 .

In one non-limitative aspect disclosed in this embodiment, as clearly shown in FIG. 3 , the lower frame portion 110 includes at least a left rod portion 110a, a right rod portion 110b, and a rod-shaped end portion 110c. The left rod part 110a and the right rod part 110b extend in the insertion and extraction direction, and the rod-shaped end part 110c extends in the left-right direction to connect the left rod part 110a and the right rod part 110b. The left side bar 110 a , the right side bar 110 b , and the bar-shaped end 110 c are continuous so that the lower frame 110 has a C-shape or a U-shape. In addition, the cross-sectional shape of the rod portion and the rod-shaped end portion is arbitrary, but it is preferable that the outer peripheral surface and the outer peripheral edge that come into contact with the human hand are curved.

The lower frame portion 110 is provided with a connection structure 110d that connects the pair of left and right shaft support portions 120 . If this connection structure 110d is also regarded as the shape of the lower frame portion 110, the lower frame portion 110 is a substantially rectangular closed frame body. In addition, the lower frame portion 110 is further provided with a curved rod portion 110e that connects the pair of left and right shaft support portions 120 and connects the proximal end of the leg portion 410 and the proximal end of the guide rod 450. and plate portion 460 . If this bent rod portion 110e is also regarded as the shape of the lower frame portion 110, the lower frame portion 110 is a substantially rectangular closed frame body.

When both the connection structure 110d and the bent rod portion 110e are regarded as part of the lower frame portion 110, the connection structure 110d does not constitute a frame portion of the lower frame portion 110, but becomes a frame erected on the lower frame portion 110. The internal connection structure. The specific structure of the lower frame portion 110 has various forms such as a frame open in any direction, a frame of any shape closed around, C-shape or U-shape facing in any direction, and the like. In any case, it should not be limited to the disclosed examples of the present invention.

The lower tape winding portion 190 continuously extends linearly in the left-right direction, and connects the left bar portion 110a and the right bar portion 110b. The lower tape winding portion 190 is a continuous rod portion left and right, but is not limited thereto, and may be a discontinuous rod portion disconnected at an arbitrary position, for example, at the center of the left and right. The lower belt winding part 190 is located between the rod-shaped end part 110c and the connecting structure 110d or between the rod-shaped end part 110c and the curved rod part 110e. Depending on the relationship, the lower belt winding part 190 may also be called an intermediate rod part. Openings OP11 and OP12 having the same width through which a tape can pass are provided on both sides of the lower tape winding portion 190 in the insertion/extraction direction and adjacent to the lower tape winding portion 190 .

The upper tape winding portion 290 of the pivot member 200 is disposed above the lower tape winding portion 190, whereby the lower tape winding portion 190 and the upper tape winding portion 290 are combined to form a tape winding portion for the same tape. . Thereby, high rigidity against pulling of the tape, etc. can be imparted to the tape winding portion. It is not easy to configure a sufficiently rigid belt winding portion from only one of the main body 100 and the pivot member 200 . The above structure can provide a solution to this problem.

One aspect of this embodiment disclosure will be described in detail without intending to limit it in particular. An optional opening OP11 through which a tape can pass is provided between the lower tape winding portion 190 and the rod-shaped end portion 110c. The 1st opening OP12 through which a tape can pass is provided between the lower tape winding part 190 and 110 d of connection structures. An optional opening OP13 that does not allow the tape to pass through is provided between the connecting structure 110d and the bent bar portion 110e. The first opening OP12 and the optional opening OP11 are openings for belt penetration, and have the same left and right width W20. The left-right width W20 is slightly larger than the left-right width of the belt applied to the buckle 600 .

The specific structure of the pair of left and right shaft support portions 120 will be described in detail unless there is an intention to limit it in particular. In one aspect of the present embodiment, the shaft support portion 120 includes a wall portion 125 thicker than each of the left bar portion 110a, the right bar portion 110b, and the connection structure 110d. The pair of left and right wall portions 125 are provided with a pair of recessed portions 121 recessed from the inner side to the outer side in the axial direction. The axial direction inner side is a direction from the outer side of the main body 100 toward the center in the extending direction along the pivot shaft. The axial direction outer side is a direction away from the center of the main body 100 to the outer side in the extending direction along the pivot shaft. The concave portion 121 is formed by a hole/notch extending from the lower surface of the wall portion 125 to a position between the upper surface of the connection structure 110 d and the upper surface of the wall portion 125 . The space of the concave portion 121 communicates with the through-hole 122 penetrating the connecting structure 110d, and the concave portion 121 can be formed by a part or core of the same mold used to form the through-hole 122 of the connecting structure 110d.

The pivot member 200 is pivotally supported by the main body 100 so as to be able to pivot on the main body 100 . The pivoting member 200 can be laid down on the lower frame portion 110. At this time, as described above, the upper belt winding portion 290 of the pivoting member 200 is arranged on the lower belt winding portion 190 of the lower frame portion 110 to form a unified structure together. Tape winding section for tape. The pivot member 200 includes a pair of left and right shaft portions 220 . The shaft portion 220 is engaged with the shaft support portion 120 , thereby ensuring that the pivot member 200 can pivot relative to the main body 100 . In an example of this embodiment, the shaft portion 220 is provided on the movable piece 221 that can be slightly elastically deformed due to the gap 222, and the pivot member 200 can be easily formed after the main body 100 and the pivot member 200 are separately formed. Assembled in the main body 100. In addition, the axial engagement relationship between the pivot member 200 and the main body 100 , that is, the concave-convex relationship may be reversed.

In one form disclosed in this embodiment, the pivoting member 200 has a base end 201 on the side of the pivot shaft and a free end 202 opposite to the base end 201 , and the upper belt winding portion 290 is provided on the base end 201 and the free end 202. The second opening OP21 is provided on the proximal end 201 side of the upper tape winding portion 290 , and the third opening OP22 is provided on the free end 202 side of the upper tape winding portion 290 . The 2nd opening OP21 and the 3rd opening OP22 are openings for penetrating a belt, and these have the same left-right width W20.

The grip portion 230 for the operator of the buckle 600 to grip the pivot member 200 is provided at the free end 202 of the pivot member 200 . A third opening OP23 is provided in the holding portion 230, but this opening OP23 is only for reducing weight (Japanese: 肉抜き), and is not used for passing through the belt. The straight rod portion 230a and the curved rod portion 230b are provided so as to sandwich the opening OP23. In addition, the opening for penetrating the tape is not limited to a closed opening, and may be an opening partially opened to any extent.

The pivoting member 200 has the above-mentioned pair of left and right rod parts 210a, 210b, and also has a base part 218 near the base end 201 side and a grip part 230 near the free end 202 side connecting the left and right pair of rod parts 210a, 210b. Thus forming a frame shape. In other words, the pivot member 200 includes an upper frame portion 210 including a pair of left and right rod portions 210 a , 210 b , a base portion 218 , and a grip portion 230 . The upper belt winding portion 290 is spanned within the frame of the upper frame portion 210 . The upper belt winding part 290 is arranged between the base part 218 and the grip part 230, therefore, the upper belt winding part 290 may also be called an intermediate rod part. The upper belt winding portion 290 is preferably a continuous or discontinuous rod portion.

The main body 100 of the male member 400 is provided with the protruding structure of the male member of the general buckle as described above, and the main body 100 of the male member 400 is provided with a pair of left and right leg parts 410, a guide rod 450, and a pair of left and right plate parts. 460. In an example of this embodiment, the pair of left and right leg parts 410, the guide rod 450, and the pair of left and right plate parts 460 are connected to the bent rod part 110e, but other forms may be used.

The pair of left and right leg parts 410 have a shape that approaches each other from the proximal end toward the distal end side, can approach each other according to the operator's operation, and can elastically return to the original shape after the external force is released. The illustrated leg portion 410 is provided with an operation portion 420 having a large vertical thickness, and the operation portion 420 can be pressed inward by the operator's finger of the buckle 600 . When the external force applied to the operation part 420 is released, the leg part 410 elastically returns to its original posture. Engagement protrusions 430 protruding up and down are provided at the top ends of the legs 410 . The engaging protrusion 430 can be engaged with the engaged portion 530 provided on the female member 500, and the engagement between the engaging protrusion 430 of the leg portion 410 and the engaged portion 530 of the female member 500 ensures a positive fit. Locking between the member 400 and the female member 500 .

Furthermore, the leg part 410 is provided with the elastic part 440 extended in J shape so that the operation part 420 and the engaging protrusion 430 may be connected, and the engaging protrusion 430 and the bending rod part 110e may be connected. The elastic part 440 is configured to have a smaller vertical thickness than the operation part 420 and the engaging protrusion 430, and the lateral width of the inner part (the part connecting the engaging protrusion 430 and the curved rod part 110e) is wider than that of the outer part (connecting the engaging protrusion). 430 and the portion of the bent rod portion 110e) have a small left-right width. The elastic return of the leg part 410 to the original position can be ensured by the elasticity of the elastic part 440 .

The purpose of providing the guide bar 450 is to ensure the stable insertion of the male member 400 into the female member 500 or the stable extraction of the male member 400 from the female member 500. The guide bar 450 is based on the left and right center of the bent bar portion 110e and is away from the lower frame. The form of the portion 110 extends in the middle of a pair of left and right leg portions 410 . The plate portion 460 is provided to limit the insertion limit of the male member 400 with respect to the female member 500 .

The main body portion 510 of the female member 500 is a hollow structure in which an upper plate 511 and a lower plate 512 are arranged facing each other, and has an inlet 515 and an outlet 516 . As shown in FIG. 2 , slits SL510 into which the legs 410 are inserted are provided on the left and right side walls of the main body 510 . The main body part 510 is provided with an engaged part 530 for guiding the engaging protrusion 430 from the inlet 515 to the outlet 516 and engaging with the engaging protrusion 430 . The non-limiting example of the engaged portion 530 is a vertically symmetrical stepped structure provided on the inner surface of the upper plate 511 and the inner surface of the lower plate 512 . The engaging protrusion 430 guided by the stepped structure reaches the outlet 516 of the main body 510, and due to the elastic recovery of the leg portion 410, the side surface of the engaging protrusion 430 on the side of the curved rod 110e is aligned and engaged with the end surface 530a of the stepped structure, thereby , the male component 400 is locked by the female component 500 to connect them together. The main body part 510 is provided with a guide part 550 for guiding the movement of the guide rod 450 . For example, the guide part 550 includes a pair of left and right guide walls arranged at a distance corresponding to the left and right width of the guide rod 450 . The end portion of the guide wall on the inlet 515 side contacts the plate portion 460 to define a stop position of the male member 400 . The tape winding portion 520 is a bar portion extending linearly and continuously in the left-right direction, and forms an opening OP50 through which the tape passes with the main body portion 510 . In another aspect, the tape winding portion 520 is disconnected at an arbitrary position and is discontinuous.

In addition, the specific form of locking between the male member 400 and the female member 500 of the buckle 600 is arbitrary. The positions of the engaging portion and the engaged portion may also be changed.

As shown in FIGS. 4 to 6 , a stepped storage portion 191 is provided in the lower tape winding portion 190 , and the lower tape winding portion 190 has a substantially L-shaped cross section. The stepped housing portion 191 is provided with a stepped bottom surface 191a and a stepped side surface 191b as stepped surfaces. The step bottom surface 191a is a flat surface extending in the left-right direction. The step side surface 191b is a flat surface extending in the left-right direction, and stands upward from the step bottom surface 191a. The lower tape winding portion 190 is provided with a stepped housing portion 191 , thereby securing a space for disposing the upper tape winding portion 290 on the lower tape winding portion 190 . Of course, it is preferable to provide the stepped accommodating portion 191, but this is optional but not necessary.

When the pivoting member 200 is laid down on the lower frame portion 110, the upper tape winding portion 290 is disposed on the stepped bottom surface 191a of the stepped housing portion 191, adjacent to the stepped side surface 191b, in other words, on the front side in the insertion and removal direction. In the state where the tape is wound on the tape winding portion constituted by the cooperation between the lower tape winding portion 190 and the upper tape winding portion 290, when the tape is pulled in any direction, the upper tape winding portion 290 and the upper tape winding portion 290 are The step bottom surface 191a or the step side surface 191b of the lower tape winding portion 190 is in contact with each other, and they function integrally as the tape winding portion, and are rigidly stacked. As can be seen from the above description, whether or not the upper tape winding portion 290 is in contact with the step bottom surface 191a and the step side surface 191b of the stepped storage portion 191 is not an essential issue in the state where the tape is not wound. That is, in a state where the tape is not wound, the upper tape winding portion 290 may not contact the stepped bottom surface 191 a and the stepped side surface 191 b of the stepped storage portion 191 .

It can be seen that in the case where the stepped storage portion 191 is provided, the upper tape winding portion 290 and the lower tape winding portion 190 are combined in the vertical direction and the insertion/extraction direction (longitudinal direction), and it is possible to cope with winding on the tape winding portion. 290 and various pulls of the belt on the lower belt winding portion 190. For example, when the upper tape winding part 290 is arranged on the lower tape winding part 190 , it is assumed that the lower tape winding part 190 is stationary and the upper tape winding part 290 is displaced rearward in the insertion and removal direction. In this case, the lower tape winding portion 190 functions as a barrier for the upper tape winding portion 290 . When the upper tape winding portion 290 is intended to be displaced downward, the lower tape winding portion 190 also functions as a barrier for the upper tape winding portion 290 . This contributes to high rigidity of the winding portion constituted by the combination of the upper tape winding portion 290 and the lower tape winding portion 190 . The same applies to the case where the upper tape winding section 290 is in a stationary state and the lower tape winding section 190 is displaced.

In addition, in the illustrated form, the step side surface 191b is inclined so as to be away from the pivot shaft of the pivot member 200 as it extends upward from the step bottom surface 191a, thereby preventing the lower tape winding portion 190 from colliding with the upper tape winding portion. Interference between windings 290.

The second belt pressing part 180 is provided on the upper part or upper end of the lower belt winding part 190 , and the second belt pressing part 180 is oriented in a direction opposite to the pivot axis of the pivot member 200 . A first belt pressing part 280 is provided at the lower part or the lower end of the straight bar part 230a of the grip part 230, and the first belt pressing part 280 is set to protrude toward the pivot axis side of the pivot member 200 and face the pivot member. 200 pivot axis. As shown in FIG. 5 , when the pivot member 200 is laid down on the lower frame portion 110 , the second belt pressing portion 180 and the first belt pressing portion 280 face in opposite directions. The belt shown by the one-dot chain line in FIG. 5 is a woven or braided fabric with a predetermined thickness as described above, but it is not limited thereto. Therefore, as shown in FIG. 110, the belt is appropriately sandwiched between the first belt pressing part 280 and the second belt pressing part 180 and pressed.

As shown in FIG. 6 , the second belt pressing portion 180 is configured as an inclined portion whose thickness gradually increases from the front side in the insertion and removal direction to the rear side in the insertion and removal direction as it extends from top to bottom, and forms a The inclined surface 180 f away from the pivot shaft of the pivot member 200 extends from top to bottom. On the other hand, the first belt pressing portion 280 is configured as a claw portion, and protrudes toward the pivot shaft side of the pivot member 200 from the lower end portion of the straight bar portion 230 a of the grip portion 230 . As shown in FIG. 6, in the process of causing the pivot member 200 to fall on the lower frame portion 110, the belt is held between the first belt pressing portion 280 and the second belt pressing portion 180, and the In this state, the claw portion of the first belt pressing portion 280 goes over the inclined portion of the second belt pressing portion 180 . After this jumping over, as shown in FIG. 5 , the first belt clamping portion 280 is disposed below the second belt clamping portion 180 , and easy locking can be ensured. It is especially worth mentioning that there is a click feeling when crossing. The click feeling at the time of locking notifies the operator of the end of locking and also gives the operator a sense of security.

In the state shown in FIG. 5 , the tape is pressed between the first tape pressing portion 280 and the second tape pressing portion 180 . That is, the locking described here is not a direct locking between the first belt pressing part 280 and the second belt pressing part 180, but a locking that always sandwiches a flexible belt.

As shown in FIGS. 7 and 8 , the first tape pressing portion 280 has a first concave-convex structure 280a for pressing the tape, and the second tape pressing portion 180 has a second concave-convex structure 180a for pressing the tape. The first concavo-convex structure 280a and the second concavo-convex structure 180a are configured such that concavo-convex structures complement each other. That is, the convex portions of the second uneven structure 180a are located between adjacent convex portions of the first uneven structure 280a, and this form is continuous in the left-right direction. Interference between the first concave-convex structure 280a and the second concave-convex structure 180a during the pivoting process of the pivoting member 200 can be avoided or suppressed. The belt can be securely held by the first concave-convex structure 280a and the second concave-convex structure 180a by biting the belt.

In the illustrated embodiment, the tape winding portion is divided into an upper tape winding portion 290 and a lower tape winding portion 190, and the first tape pressing portion 280 and the second tape pressing portion 180 hold the tape. bring. Accordingly, it is preferable to ensure further stabilization of the movement of the pivot member 200 . In view of this, in the present embodiment, the contact portion 170 is provided at the left and right centers of the connection structure 110 d connecting the pair of left and right shaft support portions 120 of the lower frame portion 110 , and the contact portion 170 is provided at the base portion 218 of the pivot member 200 . There is a contacted part 270 for making contact with the contact part 170 . The contact portion 170 is in contact with the contacted portion 270 during the whole or part of the pivoting process of the pivoting member 200 , which can ensure stable pivoting of the pivoting member 200 . Further stabilization of the pivotal movement of the pivot member 200 based on the engagement between the shaft support portion 120 and the shaft portion 220 can be achieved.

In the process of lifting the pivot member 200 from the posture shown in FIG. 5 to the posture shown in FIG. 9 , the contacted portion 270 goes over the top of the contact portion 170 . When the pivot member 200 is further raised from the posture shown in FIG. 9 to the posture shown in FIG. . A pair of left and right base parts 160 are provided on the left and right sides of the opening OP13 of the connection structure 110d, and the base part 218 of the pivot member 200 can be placed on the base parts 160 . The base portion 160 is an inclined portion whose thickness decreases from the front side to the rear side in the plugging and unplugging direction, in other words, a direction approaching the pivot axis. The upper surface of the base part 160 is flatly inclined.

The way of hanging/threading the belt is arbitrary, and in this example, the belt is passed in the order of the first opening OP12, the second opening OP21, and the third opening OP22 or in the reverse order. Although not shown, it is also possible to pass the belt through the opening OP11.

It should be particularly noted that, according to this embodiment, the pivot member 200 locked on the lower frame portion 110 can be lifted by lifting the belt without operating the pivot member 200 itself. Therefore, even if the pivoting member 200 is provided and the locking is performed by the cooperation of the first belt pressing part 280 and the second belt pressing part 180 sandwiching the belt between each other, the length adjustment of the belt does not change. complicated. Of course, it is also possible to adjust the length of the belt by holding the pivot member 200 and raising the pivot member 200 without operating the belt itself. It is also preferable to provide flexibility in how the belt length adjuster is used from the viewpoint of increasing the value of the product.

<Second embodiment>

A second embodiment will be described with reference to FIG. 11 . Fig. 11 is a partially enlarged cross-sectional view of the buckle. Fig. 11(a) shows a state in which the pivot member is simply positioned at a predetermined angle, and Fig. 11(b) shows the range of the dotted circle in Fig. 11(a). Zoom in on the schematic diagram shown. In the present embodiment, in order to stop/temporarily stop the pivot member 200 at a predetermined angle, a recess is provided in the contact portion or the contacted portion. Even in such a case, the same effect as that of the first embodiment can be obtained.

As shown in FIG. 11 , a concave portion 275 for limiting the stop angle is provided on the contacted portion 270 . Thereby, the pivoting member 200 can be temporarily stopped in the posture shown in FIG. 11 . The top of the contact portion 170 is rounded, and the force required to engage/disengage with the concave portion 275 is small. By stopping the pivot member 200 at a predetermined angle, it is particularly easy to pass the belt through the third opening OP22. The same effect can also be achieved by providing a concave portion on the contact portion 170 .

<third embodiment>

A third embodiment will be described with reference to FIG. 12 . Fig. 12 is a partially enlarged sectional view of the buckle, and Fig. 12(a) to Fig. 12(c) show different combinations of the upper tape winding portion and the lower tape winding portion. In this embodiment, various combinations of the upper tape winding unit 290 and the lower tape winding unit 190 are shown.

In the case shown in FIG. 12( a ), the flat lower surface of the upper tape winding portion 290 is placed on the flat upper surface of the lower tape winding portion 190 , and both are in surface contact over a wide range. Since the contact resistance between the two is increased due to the surface contact over a large range, a larger force is required when displacing the upper tape winding portion 290 relative to the lower tape winding portion 190 or vice versa. . That is, the relative displacement of the lower tape winding portion 190 and the upper tape winding portion 290 can be properly suppressed according to the force received by the tape. In addition, compared with the structure of the first embodiment, in the case shown in FIG. The strength of the tape winding portion 290 is improved.

In the case shown in FIG. 12( b ), the flat inclined surface of the upper tape winding portion 290 is disposed on the flat inclined surface of the lower tape winding portion 190 . When the pivot member 200 falls on the lower frame portion 110 of the male member 400 , the upper tape winding portion 290 and the lower tape winding portion 190 are respectively guided by the opposing inclined surfaces, thereby improving the operability of the pivot member 200 .

In the case shown in FIG. 12(c), a stepped receiving portion 191 is provided on the side of the lower belt winding portion 190 farther from the pivot shaft of the pivot member 200, in other words, on the rear side in the insertion and extraction direction. The upper tape winding portion 290 is disposed on the stepped surface of the stepped storage portion 191 . In the state shown in FIG. 12( c ), the wall portion of the lower tape winding portion 190 is arranged between the pivot shaft of the pivot member 200 and the upper tape winding portion 290 . Also in this case, the same effect as that of the first embodiment can be obtained.

<Fourth embodiment>

A fourth embodiment will be described with reference to FIGS. 13 and 14 . Fig. 13 is a schematic perspective view of a belt length adjuster. Fig. 14 is a schematic exploded perspective view of a belt length adjuster. In this embodiment, the belt length adjuster is not assembled to the buckle. Even in such a case, the same effects as those described in the above-mentioned embodiment can be obtained.

As shown in FIG. 13 , the main body 100 is provided with a tape winding portion 199 . Similar to the above-described embodiment, the upper tape winding portion 290 of the pivot member 200 and the lower tape winding portion 190 of the main body 100 constitute the tape winding portion.

Based on the above teaching, those skilled in the art can make various modifications to the respective embodiments. The number of tapes wound on the winding portion for the same tape is arbitrary, and may be two or more. A plurality of upper tape winding sections and a plurality of lower tape winding sections may be provided and combined to provide a plurality of winding sections for the same tape. Reference signs in the claims are for reference and shall not be used to limit the interpretation of the claims.

Explanation of reference signs

300, belt length adjustment member; 100, main body; 190, lower belt winding part; 200, pivot member; 290, upper belt winding part.

Claims (7)

1. a belt length adjuster, this belt length adjuster (300) includes main body (100) and pivot component (200), this pivot Component (200) can be in the upper pivot of described main body (100) by the supporting of described main body (100) pivot, wherein,

Described main body (100) includes at least one lower bands winder (190),

Described pivot component (200) includes at least one upper bands winder (290),

In the lodging of described pivot component (200) when described main body (100) is upper, at least one lower bands winder (190) described Combine with at least one upper bands winder (290) described and constitute the winder for same band.

Belt length adjuster the most according to claim 1, wherein,

Described pivot component (200) includes that upper box portion (210), at least one upper bands winder (290) described are erected at this In the frame in upper box portion (210),

Described main body (100) includes that lower box portion (110), at least one lower bands winder (190) described are erected at this bottom In the frame in frame portion (110),

The described upper box portion (210) of described pivot component (200) can lodge in the described lower box portion of described main body (100) (110) on.

Belt length adjuster the most according to claim 1 and 2, wherein,

Being provided with step-like incorporating section (191) described lower bands winder (190), described upper bands winder (290) can be joined Put on the step surface of this step-like incorporating section (191).

4. according to the belt length adjuster described in any one in claims 1 to 3, wherein,

Described pivot component (200) include the cardinal extremity (201) of its pivot axle side and the side contrary with this cardinal extremity (201) from By end (202),

It is provided with the 1st band compressed part leaning on the position of described free end (202) side than at least one upper bands winder (290) described (280),

It is provided with the 2nd band compressed part (180) at least one lower bands winder (190) described, falls described pivot component (200) Lie prostrate 2nd band compressed part (180) clamping band together with described 1st band compressed part (280) when described main body (100) is upper.

Belt length adjuster the most according to claim 4, wherein,

Described 1st band compressed part (280) and described 2nd band compressed part (180) be provided with concavo-convex complementation sag and swell (180a, 280a)。

6. according to the belt length adjuster described in claim 4 or 5, wherein,

In the lodging of described pivot component (200) when described main body (100) is upper, at least local of described 1st band compressed part (280) It is arranged in than described 2nd band compressed part (180) position on the lower.

7. a bracelet, this bracelet (600) includes pluggable male element (400) and female element (500), wherein,

It is provided with in claim 1～6 any one at least one in described male element (400) and described female element (500) Belt length adjuster (300) described in Xiang.