WO2019061411A1

WO2019061411A1 - Watch fastener, and watch

Info

Publication number: WO2019061411A1
Application number: PCT/CN2017/104804
Authority: WO
Inventors: 张克来; 马涛
Original assignee: 天王电子（深圳）有限公司
Priority date: 2017-09-30
Filing date: 2017-09-30
Publication date: 2019-04-04

Abstract

A watch fastener, and a watch. The watch fastener comprises a first fastening strip (10), a second fastening strip (20) slidably connected to the first fastening strip (10), and a third fastening strip (30) slidably connected to the second fastening strip (20), a fastening cover (40) engageably provided on the first fastening strip (10), and a tightness adjustment button (50) having a first push-button (51) and a second push-button (52). The first push-button (51) and the second push-button (52) are provided with a first fastening column (53) and a second fastening column (54), respectively. The first push-button (51) and second push-button (52) protrude from the fastening cover (40). The third fastening strip (30) is provided with a first guide slot (311) and a second guide slot (312). A first positioning protrusion (313) and a second positioning protrusion (314) engageable with the first fastening column (53) and second fastening column (54) are provided in the first guide slot (311) and the second guide slot (312), respectively. The watch fastener enables convenient fastening and unfastening and reduces the gap between a watch band and a wrist, thus improving comfort of a wearer.

Description

Clasp and watch

Technical field

[0001] The present invention belongs to the technical field of watches, and in particular, to a buckle and a watch.

Background technique

[0002] A wristwatch generally includes a watch strap and a dial, and the wristband can be worn on the wrist by a strap. The watchband is generally provided with a buckle, and the existing buckles are, for example, a butterfly buckle, a double-press spring buckle, a turtle shell buckle, a diving buckle, a second discount, etc., although the types are numerous, they are mostly in a folded form. The buckle in the folded form is difficult to engage in the fastening operation, and the gap between the buckled strap and the wrist is generally large, which causes the wearing of the watch to be reduced in comfort.

technical problem

[0003] The purpose of the embodiments of the present invention is: in a first aspect, a buckle is provided to solve the difficulty in the buckle fastening operation in the prior art and because there is a large gap between the strap and the wrist. A technical problem that leads to uncomfortable wearing.

[0004] In a second aspect, a wristwatch is provided to solve the technical problem that the wristband of the wristwatch existing in the prior art has a large gap between the wristband and the wrist, resulting in uncomfortable wearing.

Problem solution

Technical solution

[0005] In order to solve the above technical problem, the technical solution adopted by the embodiment of the present invention is:

[0006] In a first aspect, a buckle is provided, including a first buckle, a second buckle, a third buckle, a buckle cover, and an elastic button, wherein the elastic button includes two ends disposed at a length thereof The first button and the second button can be compressed and removed. The bottom of the first button is provided with a first buckle, and the bottom of the second button is provided with a second buckle. a cover button is disposed on the first buckle, the elastic button is disposed between the buckle cover and the first buckle, and an outer end of the first button and an outer end of the second button Engaging the opposite sides of the buckle cover respectively; the second buckle slidingly mating with the first buckle and the second buckle sliding relative to the first buckle may overlap the first In the tongue, the third tongue is slidably engaged with the second tongue and the third tongue is slidable relative to the second tongue to overlap the first a first guiding slot and a second guiding slot corresponding to the first fastening post and the second fastening post are disposed on the third fastening tongue, and the first guiding slot is disposed in the first guiding slot When the first buckle is slid along the first guiding slot, the first positioning protrusion is fastened to the first buckle, and the second guiding slot is along the second buckle. The second guiding groove slides and the second positioning protrusion that is fastened to the second buckle.

[0007] In a second aspect, a watch is provided, comprising a dial and a bracelet connected to the dial, wherein the bracelet is connected to the buckle.

Advantageous effects of the invention

Beneficial effect

[0008] Compared with the prior art, the buckle provided by the embodiment of the present invention has the beneficial effects that: the buckle is closed, and the third tongue is slid, so that the third tongue is completely laminated on the second tongue. Sliding the second tongue so that the second tongue is completely laminated on the first tongue, and because the first tongue is provided with a first guiding groove corresponding to the first buckle and the second buckle of the elastic button And the second guiding groove, the first buckle and the second buckle sliding in the first guiding groove and the second guiding groove respectively, until the first buckle and the second buckle are fastened in the first guiding groove The first positioning protrusion and the second positioning protrusion disposed in the second guiding groove are such that the buckle is closed. The whole operation is convenient and quick, and the buckle is applied to the bracelet of the watch, which can reduce the gap between the strap and the wrist and make the watch wearer feel better on the wrist.

[0009] The beneficial effects of the wristwatch provided by the embodiment of the present invention are as follows: Since the watch has the above-mentioned buckle, the watch strap can be more convenient to be worn on the wrist, and the gap between the strap and the wrist can also be made. Shrinking makes the watch more comfortable to wear on the wrist.

Brief description of the drawing

DRAWINGS

1 is a schematic structural view of a buckle according to a first embodiment of the present invention; FIG. 2 is a schematic exploded view of a buckle provided according to Embodiment 1 of the present invention; FIG. 3 is a structural diagram of a buckle provided according to Embodiment 2 of the present invention; FIG. 4 is a schematic exploded view of a buckle according to a second embodiment of the present invention; FIG. 5 is a schematic structural view of a buckle of a buckle provided with a third buckle according to Embodiment 1 of the present invention; FIG. 7 is a schematic enlarged view of a partial structure of a buckle according to an embodiment of the present invention; FIG. 8 is a schematic structural view of a buckle of a buckle according to an embodiment of the present invention; FIG. 10 is a schematic structural diagram of a buckle of a buckle according to an embodiment of the present invention; FIG. 11 is a schematic structural view of a buckle of a buckle; FIG. 12 is a schematic structural view of a second buckle of a buckle according to Embodiment 1 of the present invention; FIG. 13 is a structural diagram of a second buckle provided by Embodiment 1 of the present invention; FIG. 14 is a schematic structural view of a first buckle of a buckle according to Embodiment 2 of the present invention; FIG. 15 is a schematic structural diagram of a second buckle of a buckle provided by Embodiment 2 of the present invention; FIG. 16 is a schematic structural diagram of a third buckle of a buckle according to Embodiment 2 of the present invention. Embodiments of the invention

[0011] Embodiment 1.

[0012] As shown in FIG. 1 to FIG. 2 and FIG. 5 to FIG. 3, an embodiment of the present invention provides a buckle including a first buckle 10, a second tongue 20, a third tongue 30, a buckle cover 40, and The elastic button 50 includes a first button 51 and a second button 52 which are disposed at both ends of the longitudinal direction and are compressible and recoverable by force, and the bottom of the first button 51 is provided at the bottom. a first buckle post 53 is disposed at a bottom of the second button 52. The buckle cover 40 is fastened on the first buckle 10, and the elastic button 50 is disposed on the buckle cover. 40 and the first buckle 10, and the outer end of the first button 51 and the outer end of the second button 52 respectively pass through opposite sides of the buckle cover 40. The second tongue 20 is slidably engaged with the first tongue 10 and the second tongue 20 is slidable relative to the first tongue 10 to overlap the first tongue 10 , the first The third tongue 30 is slidably engaged with the second tongue 20 and the third tongue 30 is slidable relative to the second tongue 20 to overlap the second tongue 20, the third tongue The first guiding slot 311 and the second guiding slot 312 corresponding to the first buckle post 53 and the second buckle post 54 are disposed on the 30, and the first guiding slot 311 is provided as the first A first positioning protrusion 313 is slidably engaged with the first fastening post 53 along the first guiding slot 311. The second guiding slot 312 is along the second fastening post 54. The second guiding slot 312 slides the second positioning protrusion 314 that is fastened to the second buckle 54.

[0013] In the buckle of the embodiment of the present invention, when the cymbal needs to be closed, the third tongue 30 is slid, so that the third tongue 30 is completely laminated on the second tongue 20, and the second tongue 20 is slid. The second tongue 20 is completely laminated on the first tongue 10, and the third button 30 is provided with a first guiding groove corresponding to the first buckle 53 and the second buckle 54 of the elastic button 50. 311 and the second guiding groove 312, then the first buckle 53 and the second buckle 5 4 slide in the first guiding groove 311 and the second guiding groove 312, respectively, until the first buckle 53 and the second buckle 54 buckle Connecting the first positioning protrusion 313 disposed in the first guiding slot 311 and the second positioning slot 312 disposed in the second guiding slot 312 Positioning the protrusion 314 so that the buckle is closed; when the snoring is required, the first button 51 and the second button 52 are compressed until the first button 53 and the second button 52 are disposed on the first button 51. The second fastening post 54 is detached from the first positioning protrusion 313 disposed in the first guiding slot 311 and the second positioning protrusion 314 disposed in the second guiding slot 312, and then the first button 51 is loosened. And the second button 52, the first button 51 and the second button 52 are reset to drive the first buckle 53 and the second buckle 54 to be reset, and the first buckle 53 and the second buckle 54 are respectively coupled with the first guiding slot 311 and The second guiding groove 312 is slidably engaged to stretch the second tongue 20 and the third tongue 30 so that the second tongue 20 slides out of the lamination with the first tongue 10 and the third tongue 30 slides out The stack of two tongues 20 is arranged such that the buckle snaps. The whole operation is convenient and quick, and the buckle is applied to the bracelet of the watch, which can make the gap between the strap and the wrist narrow, and the watch wearer has better comfort on the wrist.

[0014] In this embodiment, as shown in FIGS. 8-9, the elastic button 50 further includes a sleeve member 55 and an elastic member (not shown), and the sleeve member 55 is provided with a socket cavity 553. A first key plate 56 extends from an inner end of the first button 51, and a second key plate 57 extends from an inner end of the second button 52. The first key plate 56 and the second key plate 57 The laminated member is disposed in the sleeve cavity 553, and the elastic member is sleeved on the outer surface of the first key plate 56 and the second key plate 57, and the two ends of the elastic member are respectively abutted The inner end of the first button 51 and the inner end of the second button 52. Specifically, the first button 51 and the second button 52 are compressed, and the first keypad 56 and the second keypad 57 disposed on the stack are relatively slid and the first keypad 56 and the second button disposed on the stack are compressed. The elastic member outside the plate 57, at the same time, the first buckle 53 disposed at the bottom of the first button 51 and the second buckle 54 disposed at the bottom of the second button 52 are adjacent to each other, if the first buckle 53 and the second The buckles 54 are respectively in a state of being fastened with the first positioning protrusions 313 and the second positioning protrusions 314, and then the first and second buckles 53 and 54 are compressed by the first button 51 and the second button 52. The buckle is disengaged from the first positioning protrusion 313 and the second positioning protrusion 314, so that the entire buckle can be unlocked. Moreover, once the external force of the first button 51 and the second button 52 is compressed, the first button 51 and the second button 52 are restored to the initial state, so that the first button 53 and the second button 54 are restored respectively. The sliding engagement of a guiding groove 311 and the second guiding groove 312 can further slide the third tongue 30 relative to the flap.

[0015] wherein the socket cavity 553 is provided for mounting the first keypad 56 and the second keypad 57, and covering the first keypad 56 and the second keypad 57 such that the first keypad 56 and the second The key plate 57 is defined to move relative to each other within the socket cavity 553, and the elastic member is also defined to be disposed over the first key plate 56 and the second key plate 57 disposed in the stack. Such as This can ensure that the first button 51 and the second button 52 can be compressed, and the external force 压缩 that compresses the first button 51 and the second button 52 can be removed. Under the action of the elastic member, the first button 51 and the first button can be made. The two buttons 52 are restored to the initial position, and the structure design is ingenious and practical.

[0016] Further, as shown in FIG. 9, a first step 58 is formed between the first keypad 56 and the first button 51 for limiting the sliding stroke of the second keypad 57. Similarly, the second keypad A second step 59 is formed between the 57 and the second button 52 for limiting the sliding stroke of the first keypad 56, so that the farthest sliding stroke of the first keypad 56 and the second keypad 57 can be limited to avoid compression during compression. The first button 51 and the second button 52 are integrally slid into the interior between the buckle cover 40 and the first tongue 10.

[0017] Further, the first keypad 56 and the second keypad 57 are arranged up and down, for example, the first keypad 56 is located above the second keypad 57, or the second keypad 57 is located at the first keypad 56. Above. Moreover, the thicknesses of the first button 51 and the second button 52 are the same as the thicknesses of the first key plate 56 and the second key plate 57 which are laminated, so that the first key plate 56 and the second key plate can be laminated. 57 sliding in the socket cavity 553, the first button 51 and the second button 52 part structure slide into the socket cavity 553, the first button 51 and the second button 52 interfere with the cavity periphery of the socket cavity 55 3 to affect the first button The function of 51 and the second button 52. Preferably, the elastic member is a spring

[0018] In this embodiment, as shown in FIG. 9, the number of the first keypad 56, the second keypad 57, and the elastic member are both two, and the two first keypads 56 are arranged side by side along the width direction of the first button 51, and the two second keypads 57 are arranged side by side along the width direction of the second button 52, and the two first keypads 56 and the two are respectively The second keyboard stack is disposed, and the two elastic members are respectively sleeved outside the two first keyboards 56 and the two second keypads 57 disposed on the stack. Specifically, two first key plates 56 and two second key plates 57 are disposed such that the first key plate 56 and the second key plate 57 are laminated in two groups, and then two elastic members can be disposed. The elastic button 50 integrally includes two elastic members, and then the elastic force exerted by the two elastic members on the first button 51 and the second button 52 is greater, so that once the compression is applied, the first button 51 and the first button are applied. After the force of the two buttons 52, the first button 51 and the second button 52 can immediately restore the initial position, and there is no need to worry about hindering the restoration of the first button 51 and the button even if there is friction between the first keypad 56 and the second keyboard. , the effect is better.

[0019] In this embodiment, as shown in FIG. 9, the bottom portion of the socket member 55 is provided with a first cutout for avoiding the first buckle 53 and the second buckle 54. 551 and a second evacuation slot 552, the first avoidance slot 551 and The second cutouts 552 are all in communication with the socket cavity 553. Specifically, the first button 51 and the second button 52 move, and the first button post 53 and the second button post 54 also move relative to the socket member 55, so that the first avoidance is provided due to the bottom of the socket member 55. The slot 551 and the second cutout 552, the first cutout 551 and the second cutout 55 2 provide a space for the first buckle 53 and the second buckle 54, respectively, so that the socket is not The setting of 55 affects or interferes with the movement of the first pegs 53 and the second pegs 54.

[0020] In this embodiment, as shown in FIG. 8 to FIG. 9 , a gap between the first escaping groove 551 and the second escaping slot 552 is provided for stopping the first gusset 53 and the The convex portion 554 of the second buckle 54. Specifically, the position of the convex portion 55 4 is preferably below the middle portion of the socket cavity 553, that is, the convex portion 554 is located between the first hollow groove 551 and the second hollow groove 552, and the convex portion 554 and the socket 55 - Body shaping. The arrangement of the convex stop portion 554 can limit the farthest stroke of the first buckle 53 and the second buckle 54 , for example, compressing the first button 51 and the second button 52 , regardless of the first button 51 and the second button 52 How much pressure is applied, once the first buckle 53 and the second buckle 54 abut on the convex portion 554, the first button 51 and the second button 52 cannot be pressed again, which further ensures that the first one is avoided. The button 51 and the second button 52 are integrally slid into the interior between the buckle cover 40 and the first tongue 10.

[0021] In the present embodiment, as shown in FIG. 1 to FIG. 2 and FIG. 10, the buckle cover 40 includes a cover plate 41 and a baffle plate 42 extending at both ends in the width direction of the cover plate 41 and extending downward. The cover plate 41 is disposed above the first buckle 10 and the two baffles 42 are limited to two sides of the first buckle 10 in the width direction, and the two baffles 42 are respectively provided with a supply space. The first end 421 and the second through hole 422 are formed by the outer end of the first button 51 and the outer end of the second button 52. Specifically, the outer end of the first button 51 and the outer end of the second button 52 pass through the first through hole 421 and the second through hole 422, so that the elastic button 50 is connected to the buckle cover 40, and the two baffles 42 are also fastened. On both sides of the first tongue 10, the elastic button 50, the buckle cover 40 and the first tongue 10 are assembled together. The arrangement of the first through hole 421 and the second through hole 422 also provides an active space for the first button 51 and the second button 52.

[0022] In this embodiment, as shown in FIG. 1 to FIG. 2 and FIG. 10, the buckle cover 40 further includes an end portion of the cover plate 41 facing away from the first buckle 10 and used for the bracelet. The first connector 43 is connected. Specifically, the arrangement of the first connector 43 can be coupled to the bracelet, and the first connector 43 can be hingedly coupled to the bracelet via a pin or through a hole shaft.

[0023] In this embodiment, as shown in FIG. 5-7 and FIG. 9, the first buckle 53 faces away from the side end of the second buckle 54. a first column slope 531 is disposed, and a second pillar slope 541 is disposed on the side end of the second buckle 54 facing away from the first buckle 53. The first positioning protrusion 313 faces the second The side end of the positioning protrusion 314 is provided with a first convex slope 3131 which is matched with the first pillar slope 531 so that the first buckle 53 and the first positioning protrusion 313 are fastened. The second positioning protrusion 314 is disposed on the side end of the first positioning protrusion 313 so as to be obliquely matched with the second column slope 541 such that the second buckle 54 and the second positioning protrusion 314 are buckled. The second raised slope 3141 is connected. Specifically, when the first buckle 53 slides relative to the first positioning protrusion 313 于 in the first guiding groove 311, the first pillar slope 531 of the first buckle 53 and the first protrusion of the first positioning protrusion 3 13 The beveling surface 3131 forms a beveled surface, and the crucible continues to slide the first depressing post 53吋, and the first post beveling surface 531 and the first convex beveling surface 3131 slide relative to each other until the first cylindrical beveling surface 531 slides over the first convex inclined surface 313 1 and A buckle 53 is fastened to the side end of the first positioning protrusion 313 adjacent to the first protrusion slope 3131, so that the first buckle 53 is fastened to the first positioning protrusion 313. Similarly, when the second buckle 54 slides relative to the second positioning protrusion 314 于 in the second guiding groove 312, the second column slope 541 of the second buckle 54 and the second protrusion of the second positioning protrusion 314 The inclined surface 3141 forms a slanting surface fit, and the cymbal continues to slide the second buckle 54 吋, the second pillar inclined surface 541 and the second convex inclined surface 3141 slide each other until the second pillar inclined surface 541 slides over the second convex inclined surface 3141 and the second buckle The post 54 is fastened to the side end of the second positioning protrusion 314 adjacent to the second protrusion slope 3141, so that the fastening of the second buckle 54 and the second positioning protrusion 314 is completed.

[0024] wherein, as shown in FIGS. 5-7, the inclination direction of the first pillar slope 531 and the second pillar slope 541 are opposite, and the inclination direction of the first projection slope 3131 and the second projection slope 3141 are opposite. Further, the first column slope 531 is the same as the inclination direction of the first projection slope 3131, and the inclination direction of the second pillar slope 541 is the same as the inclination direction of the second positioning projection 314. This design facilitates the mating of the first post bevel 531 with the bevel of the first raised bevel 3131 and the bevel of the second post bevel 541 with the second raised bevel 3141.

[0025] In this embodiment, as shown in FIG. 1 to FIG. 2 and FIG. 11 to FIG. 12, the first tongue 10 includes a first tongue bottom plate 11 and is disposed at two ends of the first tongue bottom plate 11 in the width direction. An extended first tongue flap 12 and a first tongue inner panel 13 extending inwardly of the first tongue flap 12, two first tongue inner panels 13, two first tongue flaps 12 and The first tongue bottom 11 is formed with two first side grooves 14 , and the first tongue bottom 11 is provided with a first tongue 111 , and the second tongue 20 includes a first tongue. a second tongue bottom plate 21 on the bottom plate 11, two ends of the second tongue bottom plate 21 extending in the width direction respectively extend into the two first side grooves 14, and the second tongue bottom plate 21 is provided with a joint The first column groove 25 of the first tongue 111 is slidably engaged. Specifically, the second tongue The two ends of the bottom plate 21 extend into the two first side grooves 14 of the first tongue 10, so that the second tongue plate 21 is restrained in the two first side grooves 14, even if the second tongue plate 21 is opposite to the first The sliding of the tongue bottom 11 is also limited to sliding within the first side grooves 14, which improves the stability and reliability of the sliding of the second tongue bottom 21 relative to the first tongue floor 11. And a first post 111 is disposed on the first tongue base 11 and a first post 25 is disposed on the second tongue base 21 in a sliding fit with the first tongue 111, such that the first post 111 passes through the first post 111 The sliding in the groove 25 causes the second tongue 20 to slide relative to the first tongue 10, and combines the cooperation of the first tongue 111 with the first column groove 25 and the two ends of the second tongue plate 21 and the two first sides The cooperation of the grooves 14 cooperates to restrict the second tongue 20 from being disengaged from the first tongue 10, and the entire structure is ingeniously designed and practical.

In this embodiment, as shown in FIG. 1 to FIG. 2 and FIG. 12 to FIG. 13 , the second tongue 20 is further disposed at a second tongue end extending in the width direction of the second tongue bottom plate 21 and extending upward. a plate 42 and a second tongue inner panel 23 extending inwardly of the second tongue and groove 42, two second tongue inner panels 23, two second tongue flaps 42 and the second tongue bottom panel 21 Two second side grooves 24 are formed, and the second tongue bottom 21 is provided with a second tongue 211, and the third tongue 30 includes a third tongue laminated on the second tongue bottom 21 The bottom plate 31, the two ends of the third tongue bottom 31 extend in the second side recesses 24, and the third tongue bottom 31 is slidably disposed with the second tongue 211. The first second guiding groove 311 and the second guiding groove 312 are disposed on the third tongue bottom plate 31. Specifically, the two ends of the third tongue bottom plate 31 extend into the two second side grooves 24 of the second tongue 20, so that the third tongue bottom plate 31 is restrained in the two second side grooves 24, even if the third tongue The sliding of the bottom plate 31 relative to the second tongue bottom 21 is also limited to sliding within the two second side grooves 24, which can improve the stability and reliability of the sliding of the third tongue bottom plate 31 relative to the second tongue bottom plate 21. And a second tongue 211 is disposed on the second tongue bottom 21 and a second column groove 32 is disposed on the third tongue base 31 in a sliding fit with the second tongue 211, such that the second tongue 211 is in the second column. The sliding in the groove 32 causes the third tongue 30 to slide relative to the second tongue 20, and the engagement of the second tongue 211 with the second column groove 32 and the two ends of the third tongue bottom 31 and the second side The cooperation of the grooves 24 cooperates to restrict the third tongue 30 from being disengaged from the second tongue 20, and the entire structure is ingeniously designed and practical.

[0027] Further, the two second tongue flaps 42 are respectively located inside the two first tongue flaps 12, and the two second tongue inner panels 23 are respectively located at the bottoms of the two first tongue inner panels 13, that is, two of the second The tongue baffle 42 and the two inner tongue plates are respectively located in the two first side grooves 14. Further, the positions of the second column groove 32 and the first column groove 25 are Mutual error settings to avoid mutual interference.

[0028] In this embodiment, as shown in FIG. 2 and FIG. 11, the first tongue inner panel 13 is respectively provided with a first keyway for accommodating the first button 51 and the second button 52. 131 and a second keyway 132. Specifically, the first key groove 131 and the second key groove 132 are disposed on the two first tongue inner plates 13 to move the first button 51 and the second button 52 to avoid the first tongue inner plate 13 The setting interferes with the movement of the first button 51 and the second button 52. The positions of the first key groove 131 and the second key groove 132 correspond to the first through holes 421 and the second through holes 422 provided on the two baffles 42, respectively.

[0029] In this embodiment, as shown in FIG. 1 to FIG. 2 and FIG. 10, the third tongue 30 further includes an end portion of the third tongue bottom 31 facing away from the second tongue 20 and A second connector 35 for connection to the bracelet. Specifically, the arrangement of the second connector 35 can be coupled to the bracelet, and the second connector 35 can be hingedly coupled to the bracelet via a pin or through a bore shaft. The first connector 43 and the second connector 35 are combined to allow the two ends of the buckle to be connected to the bracelet. In this embodiment, the first tongue 10, the second tongue 20, the third tongue 30, and the buckle cover 40 have an arc shape, and the first tongue 10, the second tongue 20, and the third tongue The shape of the snap cover 40 is adapted to each other.

[0030] Embodiment 2.

[0031] As shown in FIG. 3 to FIG. 4 and FIG. 14 to FIG. 15 , the difference between this embodiment and the first embodiment is that: in this embodiment, the first tongue 10 includes a first tongue bottom plate 11 and is disposed on a first tongue and groove 12 extending at an opposite end of the first tongue and bottom plate 11 in the width direction, and the first tongue and the shutter 12 are respectively disposed with a first side sliding groove 121 disposed along a longitudinal direction thereof. The second tongue 20 includes a second tongue bottom plate 21 laminated on the first tongue bottom plate 11. The two ends of the second tongue bottom plate 21 in the width direction are convexly disposed to extend into the first side sliding grooves 121. And the two first side slides 26 are respectively slidably engaged with the two first side sliding slots 121. Specifically, the two first side slide plates 26 respectively extend into the two first side sliding slots 121, and the second tongue bottom plate 21 is opposite to the first side by the sliding cooperation of the first side sliding plate and the first side sliding groove 121. The second bottom plate 11 is slid on the first tongue 10; the two first side slides 26 are respectively inserted into the two first side slots 121. The two tongue bottom plates 21 are defined between the two first tongue guards 12 to prevent the second tongue bottom plate 21 from being disengaged from the first tongue bottom plate 11, that is, to ensure that the second tongue 20 and the first tongue 10 are always assembled together. The structure is cleverly designed and practical.

[0032] In this embodiment, as shown in FIG. 3 to FIG. 4 and FIG. 15 to 16, the second tongue 20 further includes a second tongue. a second tongue and groove 42 extending at both ends of the bottom plate 21 in the width direction, and the two second tongue and groove plates 42 are respectively located inside the two first tongue and shutter plates 12, and the two second tongue and the shielding plates 42 are respectively A second side sliding slot 221 is disposed along the length direction thereof, and the third fastening tongue 30 includes a third tongue bottom plate 31 laminated on the second tongue bottom plate 21, and the third tongue bottom plate 31 is wide. Two second side sliding plates 33 projecting into the two second side sliding slots 221 and slidingly engaging with the two second side sliding slots 221 are respectively protruded from the two ends of the direction, the first guiding slots 31 1 and The second guiding grooves 312 are respectively disposed on the third tongue bottom plate 31. Specifically, the two second side sliding plates 3 3 respectively extend into the two second side sliding slots 221, and the third tongue bottom plate 31 is opposite to the second side sliding plate 221 by the sliding fit of the second side sliding plate 221 The second tongue bottom 21 slides, so that the third tongue 30 can be laminated on the second tongue 20; at the same time, the two second side slides 33 respectively extend into the two second side slots 221 and can also be The third tongue bottom 31 is defined between the two second tongue guards 42 to prevent the third tongue bottom 31 from coming out of the connection with the second tongue bottom 21, that is, ensuring that the third tongue 30 and the second tongue 20 are always assembled together. The structure is cleverly designed and practical. The rest of the embodiment is the same as that of the first embodiment. The features that are not explained in the embodiment are explained in the first embodiment, and details are not described herein.

[0033] Example 3.

An embodiment of the present invention provides a wristwatch including a dial and a bracelet connected to the dial, and the buckle is connected to the bracelet. In particular, the wristwatch of the embodiment of the present invention can make the strap worn on the wrist more convenient because of the use of the above-mentioned buckle, and can also make the gap between the strap and the wrist narrow and the watch is worn on the person. Comfort on the wrist is better.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalents, and improvements made within the spirit and scope of the present invention should be included in the present invention. Within the scope of protection of the invention.

Claims

Claim

[Claim 1] A buckle comprising: a first tongue, a second tongue, a third tongue, a buckle cover, and an elastic button, wherein the elastic button is disposed at both ends of the length direction thereof The first button and the second button can be compressed and removed. The bottom of the first button is provided with a first buckle, and the bottom of the second button is provided with a second buckle. a cover button is disposed on the first buckle, the elastic button is disposed between the buckle cover and the first buckle, and an outer end of the first button and an outer end of the second button The second fastening tongues of the opposite sides of the buckle cover are respectively slidably engaged with the first fastening tongue and the second fastening tongue is slidable relative to the first fastening tongue to overlap the first buckle The third buckle is slidably engaged with the second tongue, and the third tongue is slidably overlapped with the second tongue, and the third buckle is overlapped with the second buckle. a first guiding slot and a second guiding slot corresponding to the first buckle post and the second buckle post are disposed on the tongue, the first guiding a first positioning protrusion that is fastened to the first buckle column when the first buckle column slides along the first guide groove, and the second buckle column in the second guide groove A second positioning protrusion that is slidably engaged with the second buckle is slid along the second guiding groove.

[Claim 2] The buckle according to claim 1, wherein: the elastic button further comprises a socket member and an elastic member, the socket member is provided with a socket cavity, and the inside of the first button a first key plate is disposed at an end of the second button, and a second key plate is disposed at an inner end of the second button. The first key plate and the second key plate are stacked in the socket cavity. The elastic member is sleeved on the first key plate and the second key plate disposed on the stack, and the two ends of the elastic member respectively abut the inner end of the first button and the inner end of the second button .

[Claim 3] The buckle according to claim 2, wherein: the number of the first key plate, the second key plate, and the elastic member are two, and two of the a key plate is arranged side by side along the width direction of the first button, and the two second key plates are arranged side by side along the width direction of the second button, and the two first keyboards are respectively arranged with two The second keyboard stack is disposed, and the two elastic members are respectively sleeved outside the two first keyboards and the two second keyboards disposed on the stack. The buckle according to claim 2, wherein: the bottom portion of the socket is provided with a first avoidance groove and a second avoidance for avoiding the first buckle column and the second buckle column The empty slot, the first avoidance slot and the second avoidance slot are both in communication with the socket cavity.

The buckle according to claim 4, wherein: a gap between the first cutout and the second cutout is provided for stopping the first buckle and the second buckle Projection. The buckle according to any one of claims 1 to 5, wherein the buckle cover comprises a cover plate and a baffle plate extending at both ends in the width direction of the cover plate and extending downward, the cover plate sealing Covering the first buckle and the two baffles are limited to two sides of the first buckle width direction, and the two baffles are respectively provided with outer ends for the first button The first through hole and the second through hole pierced by the outer end of the second button.

The buckle according to claim 6, wherein: the buckle cover further comprises a first connector disposed at an end of the cover plate facing away from the first tongue and for connecting to the bracelet. The buckle according to any one of claims 1 to 5, wherein: the first buckle is disposed at a side end of the second buckle, and a first pillar slope is disposed, and the second buckle is a second pillar slope is disposed on the side end of the first buckle, and the first positioning protrusion is disposed on the side end of the second positioning protrusion and is matched with the slope of the first pillar a first convex inclined surface that fastens the first fastening post to the first positioning protrusion, and the second positioning protrusion is disposed toward the side end of the first positioning protrusion and the second The inclined surface of the pillar is matched to the second convex slope of the second buckle and the second positioning protrusion.

The buckle according to any one of claims 1 to 5, wherein the first tongue comprises a first tongue bottom plate, and a first tongue disposed at two ends in the width direction of the first tongue bottom plate and extending upward a baffle plate and a first tongue inner panel extending inwardly of the first tongue flap, and the first tongue inner panel, the two first tongue flaps and the first tongue bottom plate are formed to form two a first tongue is disposed on the first tongue bottom plate, and the second tongue comprises a second tongue bottom plate laminated on the first tongue bottom plate, and the width direction of the second tongue bottom plate The two ends of the second tongue are respectively inserted into the first side grooves, and the second tongue bottom plate is provided with a first column groove that is slidingly engaged with the first tongue.

The buckle according to claim 9, wherein: the second tongue is further disposed on the a second tongue flap extending at both ends in the width direction of the second tongue and bottom plate and a second tongue inner panel extending inwardly of the second tongue flap, two of the second tongue inner panels, two of the second The tongue baffle and the second tongue bottom plate are formed to form two second side grooves, the second tongue bottom plate is provided with a second tongue, and the third tongue comprises a layer of the second tongue bottom plate The third tongue bottom plate, the two ends of the third tongue bottom in the width direction respectively extend into the two second side grooves, and the third tongue bottom plate is provided with the second tongue sliding The first guiding groove and the second guiding groove are disposed on the third tongue bottom plate.

The buckle according to claim 9, wherein: the first tongue inner panel is respectively provided with a first key groove and a second key groove for accommodating the first button and the second button. The buckle according to any one of claims 1 to 5, wherein: the first tongue comprises a first tongue bottom plate and a first tongue disposed at two ends in a width direction of the first tongue bottom plate and extending upward a baffle, each of the first tongue baffles is disposed with a first side chute disposed along a length thereof, and the second clasp includes a second tongue bottom plate laminated on the first tongue bottom plate Two first side slides projecting into the two first first sliding slots and slidingly engaging with the two first sliding grooves are respectively protruded from two ends of the second tongue bottom in the width direction.

The buckle according to claim 12, wherein: the second tongue further comprises a second tongue and a second tongue disposed at two ends in the width direction of the second tongue and the second tongue The baffles are respectively located on the inner sides of the two first tongue baffles, and the two second baffle plates are respectively disposed with a second side chute disposed along a longitudinal direction thereof, and the third cleat comprises a laminate a third tongue bottom plate on the second tongue bottom plate, the two ends of the third tongue bottom plate extending in the width direction projecting into the two second side sliding slots and respectively slidingly engaging with the two second side sliding slots The two second side slides, the first guiding groove and the second guiding groove are both disposed on the third tongue bottom plate.

The buckle according to claim 10 or 13, wherein: the third tongue further comprises an end portion of the third tongue bottom facing away from the second tongue and connected to the bracelet The second connector.

A watch comprising a dial and a bracelet connected to the dial, wherein: the buckle according to any one of claims 1 to 14 is connected to the bracelet.