TW201607450A - Buckle - Google Patents

Abstract

Provided is a buckle that is capable of preventing a belt from becoming loose, in a state where a plug and a socket are engaged. The buckle is provided with a plug (20) and a socket (30) into which the plug (20) is inserted and which is engaged with the plug (20). The plug (20) has a plug-side belt attachment part (21) to which a belt-like member (B) is attached, and the belt-like member (B) is sandwiched between the plug (20) and the socket (30) in a state where the plug (20) and the socket (30) are engaged.

Description

buckle

The present invention relates to a buckle, and more particularly to a buckle having a plug and a socket that are detachable from each other and connecting the ends of the belt-like members to each other.

As the prior buckle, there is known a plug having a plug for inserting a plug and engaging with a plug; the plug having a plug side belt mounting portion for a belt mounting, the socket having The socket side belt attachment portion to which the belt is attached, and the plug side belt attachment portion has a belt winding lever and a belt locking lever (see, for example, Patent Document 1).

[Previous Technical Literature] [Patent Literature]

[Patent Document 1] Japanese Patent Publication No. 7-46166

However, in the buckle of Patent Document 1, the belt may be slack in a state in which the plug is engaged with the socket. Furthermore, although the belt locking lever is formed with a plurality of buckles along the belt width direction along the belt insertion direction, the plurality of grooves are used to prevent the belt from being displaced in the width direction, and Used to prevent loose belts.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a buckle that can prevent a belt from being slack in a state in which a plug is engaged with a socket.

The above object of the present invention is achieved by the following constitution.

(1) A buckle comprising: a plug; and a socket for inserting a plug and engaging with a plug; and the plug having a plug side belt mounting portion for mounting the belt-shaped member, When the plug is engaged with the socket, the belt-shaped member is sandwiched between the plug and the socket.

(2) The buckle according to (1), wherein the plug side belt attachment portion has a belt winding lever and a belt locking lever, the socket has an upper plate and a lower plate, and the upper plate and the lower plate are coupled to each other. The side plate, and in a state in which the plug is engaged with the socket, a belt-shaped member is sandwiched between the belt winding rod of the plug and the lower plate of the socket.

(3) The buckle according to (2), characterized in that at least one of the belt winding lever of the plug and the lower plate of the socket is formed with a plurality of convex portions or concave portions in the belt width direction.

(4) The buckle according to (2) or (3), characterized in that the plate is formed with a long hole in the belt width direction under the socket.

(5) The buckle according to any one of (1) to (4), wherein the socket has a socket side belt attachment portion to which the belt-shaped member is attached.

Since the belt-shaped member is interposed between the plug and the socket in a state in which the plug is engaged with the socket, it is possible to prevent the belt from being slack in a state in which the plug is engaged with the socket.

10‧‧‧ buckle

20‧‧‧ plug

21‧‧‧ Plug side belt mounting

21a‧‧‧ base

21b‧‧‧ side

21c‧‧‧Belt Winding Rod

21d‧‧‧Leather card stop

21e‧‧‧1st opening

21f‧‧‧2nd opening

21g‧‧ hollow part

21h‧‧‧ convex

22‧‧‧A pair of inserts

22a‧‧‧Slots

23‧‧‧Flexible clips

23a‧‧‧ front end

23b‧‧‧Sloping edge

23c‧‧‧Arc Department

24‧‧‧Slit

25‧‧‧Clamping recess

26‧‧‧ pressed face

30‧‧‧ socket

31‧‧‧ Socket side belt mounting

31a‧‧‧ base

31b‧‧‧ side

31c‧‧‧Belt Winding Rod

31d‧‧‧ openings

31e‧‧‧ hollow part

32‧‧‧Upper board

32a‧‧‧ containment recess

33‧‧‧ Lower board

33a‧‧‧ recess

34‧‧‧ side panels

35‧‧‧plug insertion

36‧‧‧Guide wall

37‧‧‧Insert sheet housing

38‧‧‧Clock accommodating department

39‧‧‧ 突条

40‧‧‧Clamping convex

41‧‧‧ keyhole

41a‧‧‧ round hole

41b‧‧‧Corner

42‧‧‧ partition wall

43a‧‧‧Anti-rotation limiter

43b‧‧‧Anti-rotation limiter

44a‧‧‧Right rotation limiter

44b‧‧‧Right rotation limiter

45‧‧‧ Pressing room

46‧‧‧Abutment

47‧‧‧Apartment

48‧‧‧ long hole

50‧‧‧ key

51‧‧‧ gripping department

52‧‧‧Insert Department

53‧‧‧Flange

54‧‧‧Axis

55‧‧‧ Pressing Department

55a‧‧‧1st inclined surface

55b‧‧‧2nd inclined surface

100‧‧‧ buckle

120‧‧‧ plug

121‧‧‧ Plug side belt mounting

121a‧‧‧ base

121b‧‧‧ side

121c‧‧‧Belt Winding Rod

121d‧‧‧Leather card stop

121e‧‧‧1st opening

121f‧‧‧2nd opening

121h‧‧‧ convex

130‧‧‧ socket

131‧‧‧ Socket side belt mounting

131a‧‧‧ base

131b‧‧‧ side

131c‧‧‧Belt Winding Rod

131d‧‧‧ openings

132‧‧‧Upper board

133‧‧‧ Lower board

134‧‧‧ side panels

135‧‧‧Extension board

135a‧‧‧ recess

200‧‧‧ buckle

220‧‧‧ plug

221‧‧‧ Plug side belt mounting

221a‧‧‧ base

221b‧‧‧ side

221c‧‧‧Belt Winding Rod

221d‧‧‧Leather card stop

221e‧‧‧1st opening

221f‧‧‧2nd opening

221h‧‧‧ convex

230‧‧‧ socket

231‧‧‧ Socket side belt mounting

231a‧‧‧ base

231b‧‧‧ side

231c‧‧‧Belt Winding Rod

231d‧‧‧ openings

232‧‧‧Upper board

233‧‧‧ Lower board

234‧‧‧ side panels

235‧‧‧Extension plate

235a‧‧‧ recess

B‧‧‧Belt (belt-shaped member)

Fig. 1 is a perspective view for explaining a non-engaged state of an embodiment of the buckle of the present invention.

Figure 2 is a plan view of the buckle in a non-engaged state.

Figure 3 is a cross-sectional view taken along line A-A of Figure 2;

Figure 4 is a partial cross-sectional plan view of the buckle in the engaged state.

Fig. 5 is a bottom view of the buckle in the engaged state.

Figure 6 is a cross-sectional view taken along line B-B of Figure 4.

Figure 7 is a front view of the key shown in Figure 1.

Figure 8 is a side view of the key shown in Figure 7.

FIG. 9 is a plan view of a main portion for explaining a state in which the elastic engagement piece is pressed from below by a key pressing portion with a key operation at the time of unlocking.

Figure 10 is a side elevational view of the main part in the state of Figure 9.

FIG. 11 is a plan view of a main portion for explaining a state in which the engagement concave portion is detached from the engagement convex portion with the key operation at the time of unlocking.

Figure 12 is a side elevational view of the main part in the state of Figure 11.

Fig. 13 is a perspective view for explaining a first modification of an embodiment of the buckle of the present invention.

Figure 14 is a bottom plan view of the buckle of Figure 13.

Fig. 15 is a perspective view for explaining a second modification of the embodiment of the buckle of the present invention.

Figure 16 is a bottom plan view of the buckle of Figure 15.

Hereinafter, an embodiment of the buckle of the present invention will be described in detail based on the drawings. In the following description, the upper side of the buckle is set to the front side with respect to the paper surface of FIG. 2, the lower side is set to the back side with respect to the paper surface of FIG. 2, and the right side is set to the right side with respect to the paper surface of FIG. The left side is set to the left side with respect to the paper surface of Fig. 2. Moreover, the left and right direction of the buckle is also referred to as the width direction. Further, regarding the plug, the front side is set to the socket side, and the rear side is set to the opposite side of the socket. Further, regarding the socket, the front side is set to the plug side, and the rear side is set to the opposite side of the plug.

The buckle 10 of the present embodiment is a middle buckle type buckle having a locking mechanism. As shown in FIGS. 1 and 2, the buckle 10 includes a plug 20, and a socket 30 into which the plug 20 is inserted and engaged with the plug 20. And the key 50 inserted into the socket 30. Further, the plug 20 and the socket 30 are formed by injection molding of a synthetic resin. Further, the plug 20 and the socket 30 are not limited to synthetic resin, and may be made of metal.

As shown in FIGS. 2 to 6, the plug 20 has a plug-side belt attaching portion 21 for a belt (belt-shaped member) B; a pair of left and right insertion pieces 22, which are self-plugging side belt mounting portions. Both ends of the width direction of 21 extend parallel to each other and are inserted into the socket 30; and an elastic engagement piece 23 extending from between the left and right insertion pieces 22 and inserted into the socket 30. Further, slits 24 are formed between the left and right insertion pieces 22 and the elastic engagement pieces 23, respectively.

The plug side belt attachment portion 21 has a base portion 21a extending in the width direction, a pair of right and left side portions 21b extending from both end portions in the width direction of the base portion 21a, and a left and right side portions 21b connected in the width direction. The belt winding lever 21c and the belt locking lever 21d. Further, a first opening 21e through which the belt B is inserted is formed between the base portion 21a and the belt winding lever 21c, and a belt B is inserted between the belt winding lever 21c and the belt locking lever 21d. 2 opening portion 21f. Further, a hollow portion 21g is formed on the lower surface of the left and right side portions 21b, respectively.

Further, a groove portion 22a is formed on the lower surface of the insertion piece 22 in the insertion direction of the plug, and the groove portion 22a is engaged with the following protrusion 39 of the socket 30. Thereby, the plug 20 is prevented from being inserted upside down into the socket 30.

Further, on the upper surface of the elastic engagement piece 23, an engagement concave portion 25 having a substantially rectangular shape in plan view is formed, and the engagement concave portion 25 is engaged with the following engagement convex portion 40 of the socket 30.

Further, the front end portion 23a of the elastic engagement piece 23 is formed to be inclined downward toward the front end. Thereby, the following engagement convex portion 40 of the socket 30 is easily inserted into the engagement concave portion 25 of the elastic engagement piece 23.

Further, a surface to be pressed 26 is formed on the upper surface of the end portion 23a of the elastic engagement piece 23, and the pressed surface 26 is recessed in a fan shape, and is inserted downward by the following pressing portion 55 of the key 50. The plug is pulled out and pressed. The pressed surface 26 is formed so as to be continuous from the front edge of the elastic engagement piece 23. Further, since the pressed surface 26 is formed in parallel with the front end portion 23a of the elastic engagement piece 23 which is inclined downward, it is inclined downward as in the front end portion 23a.

As shown in FIGS. 2 to 6, the socket 30 has a socket side belt mounting portion for the belt B to be mounted. 31. The pair of side-side belt attachment portions 31 extend from the upper plate 32 and the lower plate 33, and a pair of right and left side plates 34 that connect the upper plate 32 and the lower plate 33 up and down. Further, the plug insertion opening 35 is formed by the upper plate 32, the lower plate 33, and the front edges of the left and right side plates 34.

Further, between the left and right side plates 34, a pair of left and right guide walls 36 that connect the upper plate 32 and the lower plate 33 vertically are formed in parallel with the insertion and removal direction of the plug. The left and right guide walls 36 respectively enter the left and right slits 24 of the plug 20 when the plug is inserted, and the guide plug 20 is inserted. Further, the guide wall 36 and the space between the side plates 34 opposed to each other in the width direction constitute an insertion piece accommodating portion 37 for accommodating the insertion piece 22 of the plug 20. Further, the space between the left and right guide walls 36 constitutes the engagement piece housing portion 38 of the elastic engagement piece 23 that houses the plug 20.

Further, protrusions 39 that engage with the groove portions 22a of the insertion piece 22 of the plug 20 are formed on the upper surfaces of the lower plate 33 in the right and left insertion piece housing portions 37, respectively.

The socket side belt attachment portion 31 has a base portion 31a extending in the width direction, a pair of right and left side portions 31b extending in parallel from both end portions in the width direction of the base portion 31a, and a belt connecting the left and right side portions 31b in the width direction. Winding rod 31c. Further, an opening portion 31d through which the belt B is inserted is formed between the base portion 31a and the belt winding lever 31c. Further, a pair of right and left hollow portions 31e are formed on the lower surface of the base portion 31a and the right and left side portions 31b.

Further, in the lower surface of the upper plate 32 of the engaging piece housing portion 38, an engaging convex portion 40 that is substantially rectangular in plan view and that engages with the engaging recessed portion 25 of the plug 20 is formed to protrude downward.

Further, in the vicinity of the boundary between the center of the upper plate 32 in the width direction and the socket-side belt attaching portion 31, a key hole 41 into which the key 50 is inserted is formed in the vertical direction. The keyhole 41 has a circular hole portion 41a and an angular hole portion 41b that is symmetrically disposed on both sides in the radial direction of the circular hole portion 41a. Here, in the buckle 10 of the present embodiment, the engagement between the plug 20 and the socket 30 cannot be canceled except for the key operation. Therefore, the upper plate 32 of the socket 30 is not provided with an opening other than the key hole 41, and an opening or the like which can press the elastic engagement piece 23 of the plug 20 in the engaged state from the outside is not formed.

Further, in the socket 30, a partition wall 42 is formed in the width direction, and the partition wall 42 will be left The right insertion piece accommodation portion 37 and the engagement piece accommodation portion 38 are spaced apart from the left and right hollow portions 31e of the socket side belt attachment portion 31.

As shown in FIGS. 7 and 8, the key 50 has a substantially annular grip portion 51, an insertion portion 52 extending radially outward from the grip portion 51, and a base portion formed near the insertion portion 52 and the insertion portion 52. When inserted into the keyhole 41, it abuts against the flange portion 53 of the upper plate 31.

The insertion portion 52 has a cylindrical shaft portion 54 that is inserted into the circular hole portion 41a of the key hole 41, and one of the corner hole portions 41b that extends from the outer circumferential surface of the shaft portion 54 in the radial direction and is inserted into the key hole 41. Part 55. Furthermore, in the present embodiment, it is set such that the engagement of the engagement recessed portion 25 with the engagement convex portion 40 is released by rotating the key 50 inserted into the keyhole 41 clockwise.

The pair of pressing portions 55 are formed in a point symmetrical shape around the shaft portion 54. Further, the pressing portion 55 has a rectangular parallelepiped shape, and a first inclined surface 55a which is inclined toward the front end of the shaft portion 54 and which is tapered toward the front end of the shaft portion 54 is formed in the circumferential direction (the left side surface of FIG. 8). . Further, on the radially outer end surface of the pressing portion 55, a second inclined surface 55b which is inclined in a direction in which the pressing portion 55 is tapered toward the front end of the shaft portion 54 is formed.

Further, the first and second inclined surfaces 55a and 55b are continuously formed. The first inclined surface 55a presses the pressed surface 26 of the elastic engagement piece 23 downward, and releases the engagement between the engagement concave portion 25 and the engagement convex portion 40 (see FIGS. 9 and 10). The second inclined surface 55b presses the pressed surface 26 of the elastic engagement piece 23 in the plug insertion direction, and moves the plug 20 that is engaged with the engagement convex portion 40 in the plug removal direction (see FIG. 11). Figure 12).

Further, as shown in FIG. 4, in the socket 30, a position corresponding to the diagonal hole portion 41b of the keyhole 41 is formed, and one of the key 50 is pressed against the pressing portion 55 to restrict the reverse rotation of the key 50. The reverse rotation restricting portions 43a and 43b. One reverse rotation restricting portion 43a is formed to protrude toward the inner side surface of the right guide wall 36, and the other reverse rotation restricting portion 43b is formed as a part of the partition wall 42 in the vicinity of the rear end portion of the left guide wall 36. Further, the pair of reverse rotation restricting portions 43a and 43b prevent the counterclockwise rotation of the key 50 inserted into the keyhole 41.

Further, as shown in FIG. 4, in the socket 30, around the keyhole 41, one of the key 50 is pressed against the pressing portion 55 to restrict the positive rotation of the key 50 to the right rotation restricting portions 44a, 44b. . One positive rotation restricting portion 44a is a front end portion of the above-described reverse rotation restricting portion 43a, and the other positive rotation restricting portion 44b is connected to the other reverse rotation restricting portion 43b to be formed as a part of the partition wall 42. Further, the pair of positive rotation restricting portions 44a and 44b are formed at positions where the key 50 inserted into the keyhole 41 is rotated by 90° clockwise.

Further, as shown in FIG. 4, between the one reverse rotation restricting portion 43a and the other positive rotation restricting portion 44b, a semicircular pressing portion for accommodating the rotation of the pressing portion 55 when the key 50 is rotated clockwise is formed. Space 45. Further, the pressing portion accommodating space 45 is formed by a part of the partition wall 42.

Further, as shown in FIG. 4, the front surface of the reverse rotation restricting portion 43a constitutes an abutting surface 46 for abutting the front end of the elastic engagement piece 23 when the plug 20 is inserted into the socket 30. Further, as shown in FIG. 4, an abutting portion 47 for abutting the front end of the elastic engagement piece 23 is formed so as to protrude from the inner side surface of the rear end portion of the guide groove 36 on the left side.

Here, as described above, the above-described reverse rotation restricting portion 43a has a function of restricting the reverse rotation of the key 50, a function of restricting the positive rotation of the key 50, and a function of abutting the elastic engagement piece 23, so that The reverse rotation restricting portion 43a requires a higher strength. Therefore, in the present embodiment, the inclined edge portion 23b is formed at the end portion 23a of the elastic engagement piece 23, and the thickness of the reverse rotation restricting portion 43a in the front-rear direction is increased to increase the strength. Further, as shown in FIG. 2 and FIG. 4, the end portion 23a of the elastic engagement piece 23 is formed with a circular arc portion 23c that accommodates one of the outer peripheral surfaces of the shaft portion 54 of the key 50 inserted into the key hole 41.

Further, the keyhole 41 communicates with the engagement piece housing portion 38 via a space between the reverse rotation restricting portion 43a and the abutting portion 47. Further, in a state in which the plug 20 is inserted into the socket 30, the pressed surface 26 of the elastic engagement piece 23 is disposed on the rotation locus of the pressing portion 55 of the key 50. Therefore, by rotating the key 50 clockwise by 90°, the first and second inclined surfaces 55a and 55b of the pressing portion 55 press the pressed surface 26 of the elastic engagement piece 23, thereby releasing the engagement recess 25 Engagement with the engaging convex portion 40 causes the plug 20 to move in the plug pulling direction (see FIGS. 9 to 12).

Further, in the buckle 10 of the present embodiment, as shown in FIGS. 2 to 6, a receiving recess 32a for accommodating the base portion 21a of the plug side belt attaching portion 21 is formed at the front edge of the upper plate 32 of the socket 30. Thereby, the front edge of the lower plate 33 of the socket 30 can be brought close to the belt winding lever 21c of the plug side belt mounting portion 21. Therefore, as shown in FIG. 6, in a state where the plug 20 is engaged with the socket 30, the belt winding rod 21c of the plug side belt mounting portion 21 and the front edge of the lower plate 33 of the socket 30 are sandwiched. Belt B, thus preventing belt B from slackening.

Further, in the present embodiment, as shown in FIGS. 4 and 5, four recesses 33a are formed in the belt width direction at the front edge of the plate 33 below the socket 30, and the belt side mounting portion 21 is formed on the plug side. The front edge of the belt winding lever 21c is formed with four convex portions 21h in the belt width direction. Therefore, when the belt B is interposed between the belt winding rod 21c and the front edge of the lower plate 33, the convex portion 21h and the concave portion 33a bite into the belt B, so that the belt B can be further prevented from being slack. Further, the four concave portions 33a and the four convex portions 21h are formed at positions facing each other.

Further, in the present embodiment, as shown in Fig. 5, a long hole 48 is formed in the vicinity of the front edge portion of the plate 33 below the socket 30 in the belt width direction. Thereby, the portion between the front edge portion of the lower plate 33 and the long hole 48 functions as a spring. Therefore, when the belt B is sandwiched between the belt winding rod 21c and the front edge of the lower plate 33, a compressive force is applied to the belt B, so that the belt B can be further prevented from being slack.

As described above, the buckle 10 of the present embodiment sandwiches the belt between the belt winding rod 21c of the plug 20 and the lower plate 33 of the socket 30 in a state where the plug 20 is engaged with the socket 30. B, therefore, it is possible to prevent the belt B from being loosened in a state where the plug 20 is engaged with the socket 30.

Further, according to the buckle 10 of the present embodiment, the belt winding rod 21c of the plug 20 is formed with a plurality of convex portions 21h in the belt width direction, and the front edge of the plate 33 below the socket 30 is at the belt width. a plurality of recesses 33a are formed in the direction, so when the belt is wound When the belt B is interposed between the 21c and the front edge of the lower plate 33, the convex portion 21h and the concave portion 33a bite into the belt B, so that the belt B can be further prevented from being slack.

Further, according to the buckle 10 of the present embodiment, since the long hole 48 is formed in the belt width direction of the plate 33 of the socket 30, the portion between the front edge portion of the lower plate 33 and the long hole 48 is spring-like. The function. Therefore, when the belt B is sandwiched between the belt winding rod 21c and the front edge of the lower plate 33, a compressive force is applied to the belt B, so that the belt B can be further prevented from being slack.

Next, as a first modification of the embodiment, the present invention can be applied to the side buckle type buckle 100 shown in Fig. 13 .

As shown in FIG. 13 and FIG. 14 , the buckle 100 includes a plug 120 and a socket 130 , and presses a pair of left and right engaging pieces 122 of the plug 120 exposed on both sides of the socket 130 to the width. The inner side of the direction is configured to release the engagement between the plug 120 and the socket 130.

The plug 120 has a plug side belt mounting portion 121 to which the belt B is mounted. The plug-side belt attachment portion 121 has a base portion 121a extending in the width direction, a pair of left and right side portions 121b extending from both end portions in the width direction of the base portion 121a, and a left-right side portion 121b connected in the width direction. The belt winding lever 121c and the belt locking lever 121d. Further, between the base portion 121a and the belt winding lever 121c, a first opening portion 121e through which the belt B is inserted is formed, and between the belt winding lever 121c and the belt locking lever 121d, the belt B is inserted. The second opening portion 121f is opened.

The socket 130 has a socket side belt attachment portion 131 to which the belt B is attached, an upper plate 132 and a lower plate 133 extending from the socket side belt attachment portion 131, and a pair of right and left side plates 134 that connect the upper plate 132 and the lower plate 133 up and down. .

The socket side belt attachment portion 131 has a base portion 131a extending in the width direction, a pair of left and right side portions 131b extending from both end portions in the width direction of the base portion 131a, and a belt connecting the left and right side portions 131b in the width direction. Winding rod 131c. Further, an opening portion 131d through which the belt B is inserted is formed between the base portion 131a and the belt winding lever 131c.

Further, as shown in FIG. 14, the lower plate 132 of the socket 130 has an extension plate 135 that extends to the side of the plug 120. Therefore, in a state where the plug 120 is engaged with the socket 130, the belt B is sandwiched between the belt winding rod 121c of the plug side belt mounting portion 121 and the front edge of the extension plate 135 of the socket 130, thereby preventing the belt B from being caught. Belt B is slack.

Further, in the present embodiment, as shown in Fig. 14, at the end edge of the extension plate 135 of the socket 130, six recesses 135a are formed in the belt width direction, and the belt is wound around the plug side belt attachment portion 121. The front edge of the rod 121c is formed with six convex portions 121h in the belt width direction. Therefore, when the belt B is sandwiched between the belt winding rod 121c and the front edge of the extension plate 135, the convex portion 121h and the concave portion 135a bite into the belt B, so that the belt B can be further prevented from being slack. Further, the six concave portions 135a and the six convex portions 121h are formed at positions facing each other.

Next, as a second modification of the embodiment, the present invention can be applied to the buckle 200 of the previous trip type shown in Fig. 15.

As shown in FIG. 15 and FIG. 16 , the buckle 200 includes a plug 220 and a socket 230 , and presses the operation plate 222 of the plug 220 into the inner side via the opening 232 a formed in the upper plate 232 of the socket 230 . Thereby, the plug 220 is disengaged from the socket 230.

The plug 220 has a plug side belt mounting portion 221 to which the belt B is mounted. The plug side belt attachment portion 221 has a base portion 221a extending in the width direction, a pair of left and right side portions 221b extending in parallel from both end portions in the width direction of the base portion 221a, and a left and right side portions 221b connected in the width direction. The belt winding lever 221c and the belt locking lever 221d. Further, between the base portion 221a and the belt winding lever 221c, a first opening portion 221e through which the belt B is inserted is formed, and between the belt winding lever 221c and the belt locking lever 221d, the belt B is inserted. The second opening 221f is opened.

The socket 230 has a socket side belt attachment portion 231 to which the belt B is attached, a top plate 232 and a lower plate 233 extending from the socket side belt attachment portion 231, and a pair of left and right side plates 234 that connect the upper plate 232 and the lower plate 233 up and down. .

The socket side belt attachment portion 231 has a base portion 231a extending in the width direction, a pair of right and left side portions 231b extending in parallel from both end portions in the width direction of the base portion 231a, and a belt connecting the left and right side portions 231b in the width direction. Winding rod 231c. Further, an opening portion 231d through which the belt B is inserted is formed between the base portion 231a and the belt winding lever 231c.

Further, as shown in FIG. 16, the lower plate 232 of the socket 230 has an extension plate 235 that extends to the side of the plug 220. Therefore, in a state where the plug 220 is engaged with the socket 230, the belt B is sandwiched between the belt winding lever 221c of the plug side belt mounting portion 221 and the front edge of the extension plate 235 of the socket 230, thereby preventing Belt B is slack.

Further, in the present embodiment, as shown in Fig. 16, at the end edge of the extension plate 235 of the socket 230, six recesses 235a are formed in the belt width direction, and the belt is wound around the plug side belt attachment portion 221 The front edge of the rod 221c is formed with six convex portions 221h in the belt width direction. Therefore, when the belt B is sandwiched between the belt winding rod 221c and the front edge of the extension plate 235, the convex portion 221h and the concave portion 235a bite into the belt B, so that the belt B can be further prevented from being slack. Further, the six concave portions 235a and the six convex portions 221h are formed at positions facing each other.

In addition, the invention is not limited to the above-described embodiments, and may be appropriately modified without departing from the spirit and scope of the invention.

For example, in the present embodiment, a plurality of concave portions are formed in the lower plate of the socket, and a plurality of convex portions are formed in the belt winding rod of the plug. However, the present invention is not limited thereto, and may be formed under the socket. A plurality of convex portions, and a plurality of concave portions are formed in the belt winding rod of the plug. Further, a plurality of convex portions or a plurality of concave portions may be formed only in the lower plate of the socket. Further, a plurality of convex portions or a plurality of concave portions may be formed only on the belt winding rod of the plug. Moreover, a plurality of convex portions may be formed in both the lower plate of the socket and the belt winding rod of the plug. Further, a plurality of recesses may be formed in both the lower plate of the socket and the belt winding rod of the plug. That is, at least one of the member in contact with the belt and the member in contact with the belt of the socket may be formed with a concavo-convex portion. Further, the number of the convex portions and the concave portions is arbitrary.

10‧‧‧ buckle

20‧‧‧ plug

21‧‧‧ Plug side belt mounting

21a‧‧‧ base

21b‧‧‧ side

21c‧‧‧Belt Winding Rod

21d‧‧‧Leather card stop

21e‧‧‧1st opening

21f‧‧‧2nd opening

21h‧‧‧ convex

22‧‧‧A pair of inserts

22a‧‧‧Slots

23‧‧‧Flexible clips

23a‧‧‧ front end

24‧‧‧Slit

25‧‧‧Clamping recess

26‧‧‧ pressed face

30‧‧‧ socket

31‧‧‧ Socket side belt mounting

31a‧‧‧ base

31b‧‧‧ side

31c‧‧‧Belt Winding Rod

31d‧‧‧ openings

31e‧‧‧ hollow part

32‧‧‧Upper board

32a‧‧‧ containment recess

33‧‧‧ Lower board

33a‧‧‧ recess

34‧‧‧ side panels

36‧‧‧Guide wall

37‧‧‧Insert sheet housing

38‧‧‧Clock accommodating department

39‧‧‧ 突条

40‧‧‧Clamping convex

41‧‧‧ keyhole

42‧‧‧ partition wall

43a‧‧‧Anti-rotation limiter

43b‧‧‧Anti-rotation limiter

44a‧‧‧Right rotation limiter

44b‧‧‧Right rotation limiter

45‧‧‧ Pressing room

46‧‧‧Abutment

47‧‧‧Apartment

50‧‧‧ key

55‧‧‧ Pressing Department

B‧‧‧Belt (belt-shaped member)

Claims (6)

A buckle (10, 100, 200), comprising: a plug (20, 120, 220); and a socket (30, 130, 230) for inserting the plug (20, 120, 220), And engaging with the plugs (20, 120, 220); and the plugs (20, 120, 220) have plug-side belt mounting portions (21, 121, 221) for mounting the belt-like members (B) , in the state in which the plugs (20, 120, 220) are engaged with the sockets (30, 130, 230), the plugs (20, 120, 220) and the sockets (30, 130, 230) The above-mentioned belt-shaped member (B) is sandwiched between them. The buckle (10, 100, 200) of claim 1, wherein the plug side belt mounting portion (21, 121, 221) has a belt winding lever (21c, 121c, 221c) and a belt locking lever (21d, 121d, 221d), the socket (30, 130, 230) has an upper plate (32, 132, 232) and a lower plate (33, 133, 233), and the upper plate (32, 132, 232) and the above The side plates (34, 134, 234) connected to the upper and lower sides of the plates (33, 133, 233), and in the state in which the plugs (20, 120, 220) are engaged with the sockets (30, 130, 230), The leather winding rods (21c, 121c, 221c) of the plugs (20, 120, 220) and the lower plates (33, 133, 233) of the sockets (30, 130, 230) are sandwiched between the skins Ribbon member (B). The buckle (10, 100, 200) of claim 2, wherein said belt winding rods (21c, 121c, 221c) and said sockets (30, 130, 230) of said plugs (20, 120, 220) At least one of the lower plates (33, 133, 233) is formed with a plurality of convex portions (21h, 121h, 221h) or concave portions (33a, 135a, 235a) in the belt width direction. The buckle (10) of claim 2 or 3, wherein the lower plate (33) of the socket (30) is formed with a long hole (48) in the belt width direction. A buckle (10, 100, 200) according to any one of claims 1 to 3, wherein the above-mentioned socket (30, 130, 230) has a socket side belt mounting portion for mounting the above-mentioned belt-shaped member (B) (31) , 131, 231). The buckle (10, 100, 200) of claim 4, wherein the socket (30, 130, 230) has a socket side belt mounting portion (31, 131, 231) to which the belt-shaped member (B) is attached.