CN211581801U - Watch buckle and watch - Google Patents

Abstract

The utility model provides a table is detained and wrist-watch, the table is detained and is made the frame and fix through first round pin axle is articulated buckle first on the frame of making the tongue subassembly, wherein: an elastic groove, an elastic ball component, a clamping part and a button part are arranged at one end of the first buckling tongue component, which is far away from the first pin shaft, the elastic ball component is arranged in the elastic groove, and the clamping and buckling frame is provided with a buckling structure corresponding to the clamping part; when the button part is pressed, the side wall of the elastic groove extrudes the elastic ball component and drives the clamping part to move to be separated from the buckle structure; when the button part is not pressed, the elastic ball component pushes and presses the side wall of the elastic groove and drives the clamping part to be clamped to the buckle structure. The utility model discloses a flexible action of buckle is accomplished by bounce ball component cooperation elasticity groove for overall structure is simplified, is favorable to the equipment and maintains the operation, is convenient for improve work efficiency.

Description

Watch buckle and watch

Technical Field

The embodiment of the utility model provides a relate to the wrist-watch field, more specifically say, relate to a table is detained and wrist-watch.

Background

A wristwatch is one of daily necessities of people, and is worn on a wrist to display time. In order to facilitate wearing and detaching, watchbands on two sides of the watch are usually connected by virtue of a watch buckle, namely when the watch buckle is fastened, the whole circumference of the watch is reduced, so that the watch can be stably worn on the wrist; when the watch clasp is released, the whole circumference of the watch becomes large, so that the watch can be easily taken off from the wrist.

At present, most of the buckle modes of the existing watch buckles adopt spring structure design, namely, the spring structure is arranged to achieve the telescopic function, so that the buckle is fastened and loosened; however, the spring structure usually needs to be provided with corresponding matching structures and parts for positioning the spring and realizing the contraction and extension of the spring along the correct direction, so that the structure of the existing meter buckle for realizing the expansion by adopting the spring structure is relatively complex, the manufacturing cost is high, the assembly is difficult, the assembly and the maintenance operation are not facilitated, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a to above-mentioned current structure of adopting spring structure to realize that flexible table of action is detained is more complicated relatively, high in manufacturing cost and assembly difficulty, be unfavorable for the equipment and maintain the problem that operation and work efficiency are low, provide a table and detain and wrist-watch.

The embodiment of the utility model provides a solve above-mentioned technical problem's technical scheme is, provide a watch buckle, including buckle system frame, first knot tongue subassembly and the insurance knot that is used for fixed wrist-watch watchband, wherein: the first end of the first buckle tongue component is hinged and fixed on the buckle frame through a first pin shaft, the second end of the first buckle tongue component is hinged and fixed with the safety buckle through a second pin shaft, and when the first buckle tongue component is buckled to the buckle frame around the first pin shaft and the safety buckle is buckled to the first buckle tongue component around the second pin shaft, the buckle frame, the first buckle tongue component and the safety buckle are overlapped together in a Z shape;

the second end of the first buckle tongue component is provided with an elastic groove, an elastic ball component, a clamping part and a button part, the elastic ball component is arranged in the elastic groove, and the clamping frame is provided with a clamping structure corresponding to the clamping part; when the button part is pressed, the width of the elastic groove is reduced, the side wall in the width direction extrudes the elastic ball component, and the clamping part is driven to move towards the direction far away from the clamping structure; when the clamping part moves to the buckle structure and the button part is not pressed, the elastic ball component pushes and presses the side wall of the elastic groove and pushes the clamping part to be clamped in the buckle structure, so that the second end of the first buckle tongue component is fixed on the buckle frame.

Preferably, the elastic ball component comprises an elastic ball body in a spherical shape, and the diameter size of the elastic ball body is smaller than or equal to the width size of the elastic groove; when the elastic ball component is arranged in the elastic groove, the elastic ball body is positioned in the center of the elastic groove;

the clamping frame comprises a first mounting groove; the first buckle tongue component comprises a left core making component and a right core making component which are symmetrically arranged and fixed in a mode that the head ends are separated and the tail ends are attached, and the tail ends of the left core making component and the right core making component are installed in the first installation groove through the first pin shaft; the elastic groove is located between the head ends of the left core making part and the right core making part, and the elastic groove is in a wedge shape with the width gradually increased from the first end of the first buckle tongue component to the second end of the first buckle tongue component.

Preferably, the button part comprises a left pressing arm positioned on one side of the left core back to the right core and a right pressing arm positioned on one side of the right core back to the left core, and the left pressing arm and the right pressing arm are coaxial;

a button groove is formed in the upper surface of the clamping frame, and when the first buckle tongue component is fixed to the clamping frame, at least one part of each of the left pressing arm and the right pressing arm is embedded into the button groove;

the button part also comprises two rod-shaped keys which are respectively arranged on the left pressing arm and the right pressing arm, and the two rod-shaped keys are respectively arranged along the width direction of the first buckle tongue component and form two second pin shafts which are used for hinging the safety buckle with the first buckle tongue component.

Preferably, one side of the left core making body opposite to the head end of the right core making body is provided with a positioning hole respectively, and the two positioning holes are coaxially arranged; the elastic ball component is provided with two convex columns which respectively correspond to the positioning holes, and the elastic ball component is arranged in the elastic groove in a mode that one convex column is embedded and fixed to the positioning hole of the left core, and the other convex column is embedded and fixed to the positioning hole of the right core.

Preferably, the clamping portion comprises a first bump located on one side of the left core making portion, which faces away from the right core making portion, and a second bump located on one side of the right core making portion, which faces away from the left core making portion, wherein the first bump and the second bump are coaxial, the first bump is adjacent to the left pressing arm, and the second bump is adjacent to the right pressing arm;

the buckle structure comprises a first clamping groove and a second clamping groove which are positioned in the first mounting groove and are provided with a group of opposite side walls, the first clamping groove corresponds to the first bump, and the second clamping groove corresponds to the second bump; when the button part is pressed, the distance from the free end of the first projection to the free end of the second projection is smaller than or equal to the distance from the opening plane of the first card slot to the opening plane of the second card slot; when the button part is not pressed, the distance from the free end of the first projection to the free end of the second projection is larger than the distance from the opening plane of the first card slot to the opening plane of the second card slot.

Preferably, the first mounting groove is matched with the shape and size of the main body of the first buckle tongue assembly, and when the first buckle tongue assembly is fixed to the buckle system frame, the main body of the first buckle tongue assembly is embedded in the first mounting groove, and the lower surface of the main body of the first buckle tongue assembly is leveled or lower than the upper surface of the buckle system frame.

Preferably, the watch buckle further comprises a second buckle tongue component which is hinged and fixed on the buckle making frame through a third pin shaft, and the third pin shaft is parallel to the first pin shaft; the clamping and buckling frame is provided with a second mounting groove matched with the shape and size of the main body of the second buckling tongue assembly, and when the second buckling tongue assembly is rotatably embedded in the second mounting groove around the third pin shaft, the lower surface of the main body of the second buckling tongue assembly is flush with or lower than the upper surface of the clamping and buckling frame;

the buckle system frame is H style of calligraphy, just first mounting groove and second mounting groove constitute respectively two concave parts of H style of calligraphy, first round pin axle with the third round pin axle is located respectively the open position of two concave parts of H style of calligraphy.

Preferably, a limiting plate is arranged at one end, away from the third pin shaft, of the second buckle tongue assembly, and the buckle frame is provided with a limiting groove corresponding to the limiting plate and communicated with the second mounting groove; a pressing block is further arranged at the second end of the first buckle tongue component, when the second buckle tongue component is rotatably embedded in the second mounting groove around the third pin shaft and the first buckle tongue component is fixed to the buckle frame, the limiting plate is abutted against and embedded in the limiting groove, and the pressing block is fixedly pressed on the surface, opposite to the limiting groove, of the limiting plate; the lower surface of one end, far away from the third pin shaft, of the second buckle tongue assembly is also provided with a watchband core for fixing a watchband.

Preferably, the fastening frame is U-shaped, the first mounting groove forms a U-shaped recess of the fastening frame, and the first pin is disposed at an opening of the U-shaped recess.

An embodiment of the utility model provides a still provides a watch, include the dial plate and connect respectively the first watchband and the second watchband of dial plate, watch still includes as above arbitrary the table detain, just first watchband is kept away from the one end of dial plate is connected and is fixed the watchband system core that the table was detained, the second watchband is kept away from the one end of dial plate is worn to establish in the safety catch that the table was detained, and by the safety catch straining is fixed the table is detained.

The utility model discloses table is detained and wrist-watch has following beneficial effect: through setting up the elasticity groove at first knot tongue subassembly to at the built-in elastic ball component of establishing of elasticity groove, thereby can accomplish the flexible action of buckle by elastic ball component cooperation elasticity groove, make the joint portion of first knot tongue subassembly can be stable and the buckle structure joint or the separation of efficient and buckle system frame, and then realize the switch function, guarantee the convenience of operation, and overall structure is simple and practical, low in manufacturing cost, can also effectively reduce the assembly degree of difficulty, be favorable to the equipment and maintain the operation, make work efficiency higher.

Drawings

Fig. 1 is a schematic structural view of a watch buckle provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a vertical projection of a watch buckle provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a head end section of the watch buckle according to an embodiment of the present invention;

fig. 4 is a schematic process diagram of an opening operation of the watch buckle provided in the embodiment of the present invention, wherein fig. (a) is a schematic structural diagram of a fastening state of the watch buckle; FIG. B is a schematic view showing the operation of the push button part; FIG. (c) is a schematic view of the first latch assembly being rotated open about the first pin; FIG. d is a schematic view of the second latch assembly being rotated open about the second pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, the embodiment of the present invention provides a watch buckle, which can be applied to the field of watches, especially to watch buckles with simplified structural design. The watch clasp in this embodiment includes a clasp frame 1, a first clasp tongue assembly 2, and a safety clasp 4 for securing a watch band, wherein: the first end of the first buckle tongue component 2 is hinged and fixed on the buckle making frame 1 through a first pin shaft 101, the second end is hinged and fixed with the safety buckle 4 through a second pin shaft, and when the first buckle tongue component 2 is buckled on the buckle making frame 1 around the first pin shaft 101 and the safety buckle 4 is buckled on the first buckle tongue component 2 around the second pin shaft, the buckle making frame 1, the first buckle tongue component 2 and the safety buckle 4 are overlapped in a Z shape.

As shown in fig. 2, the second end of the first latch assembly 2 is provided with an elastic groove 21, an elastic ball member 22, a clamping portion and a button portion, wherein: the button part is mainly used for contracting the width of the elastic groove 21 when being pressed, and the clamping part can be effectively pushed to move to realize the clamping operation when the elastic groove 21 is pressed and contracted so as to be convenient for the button part, so that the clamping part and the button part are arranged in an adjacent mode.

Further, the elastic ball members 22 are installed and fixed in the elastic groove 21 and respectively abut against and attach to the side walls of the elastic groove 21 in the width direction, so that when the width of the elastic groove 21 is shrunk, the side walls of the elastic groove 21 can effectively press the elastic ball members 22, and the elastic ball members 22 are elastically deformed, so that when the button portion is not pressed (i.e., when the button portion is released after being pressed), the elastic ball members 22 (under the action of elastic deformation) can abut against the side walls of the elastic groove 21 in the width direction, and the elastic groove 21 is restored to the original shape. In addition, the fastening frame 1 has the fastening structure 11 corresponding to the fastening portion, which is beneficial to the fastening portion of the first fastening tongue component 2 to be fastened with the fastening structure 11, so that the second end of the first fastening tongue component 2 can be fixed, and the first fastening tongue component 2 is completely restrained and fixed on the fastening frame 1. Of course, in practical applications, the structural shape of the resilient ball member 22 can be adjusted according to practical requirements, and specifically, can be determined according to the internal shape of the resilient groove 21.

When the elastic ball pressing device is used, the button part is pressed first to enable the elastic groove 21 to contract along the width, and at the moment, the side wall of the elastic groove 21 in the width direction moves towards the elastic groove 21 to contract and press the elastic ball member 22, so that the elastic ball member 22 is forced to generate elastic deformation. When the side wall of the elastic groove 21 in the width direction moves, the clamping portion is driven to move in the opposite direction of the clamping structure 11 (i.e. move in the direction away from the clamping structure 11), so that the clamping portion can be moved to the corresponding clamping position of the clamping structure 11; then the button portion is released (i.e. the button portion is not pressed), at this time, the elastic ball member 22 pushes the side wall of the elastic groove 21 (under the elastic deformation), and the side wall of the elastic groove 21 pushes the fastening portion to move toward the fastening direction of the fastening structure 11, so that the fastening portion is fastened and fixed with the fastening structure 11, and the second end of the first latch assembly 2 is fixed on the fastening frame 1.

According to the watch buckle, the elastic groove 21 is formed in the first buckle tongue component 2, and the elastic ball component 22 is arranged in the elastic groove 21, so that the elastic ball component 22 can be matched with the elastic groove 21 to complete the telescopic action of the buckle, the clamping part of the first buckle tongue component 2 can be stably and efficiently clamped or separated with the buckle structure 11 of the buckle system frame 1, the switch function is further realized, and the convenience in operation is guaranteed. Be different from present table through adopting spring structure to realize flexible action and detain, the structure that the table of this embodiment was detained is simple and practical more, and low in manufacturing cost, can also effectively reduce the degree of difficulty of assembly, and the equipment and the maintenance operation of being convenient for make with the work efficiency who maintains higher.

Specifically, the elastic ball member 22 includes an elastic ball 220 having a spherical shape, and the diameter dimension of the elastic ball 220 is smaller than or equal to the width dimension of the elastic groove 21. Moreover, when the elastic ball member 22 is installed in the elastic groove 21, the elastic ball 220 is embedded in the elastic groove 21 and located at the center of the elastic groove 21, so that (the elastic ball member 22) can fill and decorate the cavity region of the elastic groove 21 while playing the elastic expansion and contraction role, thereby improving the aesthetic effect of the appearance of the first buckle tongue component 2, making the appearance more ornamental, and preventing the appearance of the watch buckle from being influenced by the existence of the elastic groove 21.

Of course, in practical applications, the shape of the elastic ball 220 may be designed into other shapes, such as drum shape, prism shape, etc.

In addition, above-mentioned buckle system frame 1 includes first mounting groove 12, and the first buckle tongue subassembly 2 of accessible first mounting groove 12 realization hiding makes first buckle tongue subassembly 2 can imbed into buckle system frame 1, improves the rationality and the holistic aesthetic measure of structure. In addition, the first buckle tongue component 2 comprises a left core making 23 and a right core making 24 which are symmetrically arranged, and the left core making 23 and the right core making 24 are respectively and fixedly connected in a way of head end separation and tail end attachment; particularly, the first pin 101 is disposed along the width direction of the first mounting groove 12, the tail ends of the left core 23 and the right core 24 are hinged to the first mounting groove 12 through the first pin 101, and the width dimension of the first mounting groove 12 matches the distance dimension from the outer side surface of the left core 23 to the outer side surface of the right core 24, so that the positions of the left core 23 and the right core 24 in the width direction of the first mounting groove 12 can be restricted, the left core 23 and the right core 24 are prevented from shifting greatly along the width direction of the first mounting groove 12, the stability is improved, and the fixing is firmer.

Because the head ends of the left core making 23 and the right core making 24 are separated, namely, the separated parts of the head ends of the left core making 23 and the right core making 24 can be enclosed to form a groove, thus, the elastic groove 21 can be positioned in the groove, thereby simplifying the structure, improving the rationality of the structure and facilitating the processing and assembling. Certainly, in practical application, the elastic groove 21 may be in a wedge shape with a tip facing the direction of the first pin 101, that is, the width of the elastic groove 21 gradually increases from the first end of the first latch assembly 2 to the second end of the first latch assembly 2, so that the elastic capacity of the elastic groove 21 to contract along the width direction can be improved while the processing difficulty is reduced, and the head ends of the left core 23 and the right core 24 can efficiently move towards the elastic groove 21 to extrude the elastic ball member 22 when the button portion is pressed.

In order to ensure that the button part can effectively move the side wall of the elastic groove 21 in the width direction to press the elastic ball member 22 when being pressed, the button part is provided with a left pressing arm 231 positioned on one side of the left core 23 back to the right core 24 and a right pressing arm 241 positioned on one side of the right core 24 back to the left core 23, and the left pressing arm 231 and the right pressing arm 241 are coaxial, so that the left pressing arm 231 and the right pressing arm 241 can be stressed in a balanced manner when being pressed simultaneously, and the operability is improved.

In practical application, the elastic ball member 22 is installed in the elastic groove 21 in an installation manner that the center position of the elastic ball member is located on the axial line of the left pressing arm 231 and the right pressing arm 241, which is beneficial to enabling the side wall in the width direction of the elastic groove 21 to move and extrude the elastic ball member 22 efficiently when the left pressing arm 231 and the right pressing arm 241 are pressed simultaneously, thereby facilitating the pressing operation, improving the operation sensitivity, and avoiding the need of pressing with large force to realize the width contraction of the elastic groove 21.

In order to improve the stability of the first tongue assembly 2 when being fixed to the buckle frame 1, the upper surface of the buckle frame 1 is provided with the button groove 13, that is, when the first tongue assembly 2 is fixed to the buckle frame 1, the left pressing arm 231 and the right pressing arm 241 may respectively have at least a portion embedded into the button groove 13, so that one side of the left pressing arm 231 and the right pressing arm 241 may be attached to the buckle frame 1, and the portion embedded into the button groove 13, thereby reducing the thickness of the watch buckle, improving the stability and reliability of the left pressing arm 231 and the right pressing arm 241, and avoiding exposure to outside impact movement or misoperation to cause the clamping part to be separated from the buckle structure 11.

The button portion further includes two rod-shaped buttons 201 respectively mounted on the left pressing arm 231 and the right pressing arm 241, and the two rod-shaped buttons 201 are respectively disposed along the width direction of the first latch assembly 2, and form two second hinge pins for hinging the safety catch 4 with the first latch assembly 2.

The clamping portion comprises a first protruding block 232 positioned on one side of the left core making 23 opposite to the right core making 24 and a second protruding block positioned on one side of the right core making 24 opposite to the left core making 23, the first protruding block 232 and the second protruding block are coaxial, the first protruding block 232 is adjacent to the left pressing arm 231, and the second protruding block is adjacent to the right pressing arm 241, so that when the left pressing arm 231 and the right pressing arm 241 are pressed, the head ends of the left core making 23 and the right core making 24 can effectively drive the first protruding block 232 and the second protruding block to move towards the opposite direction of the corresponding clamping direction of the clamping structure 11; or when the left pressing arm 231 and the right pressing arm 241 are not pressed (released), the head ends of the left core 23 and the right core 24 can effectively drive the first protruding block 232 and the second protruding block to move towards the corresponding buckling direction of the buckling structure 11.

Correspondingly, the fastening structure 11 includes a first fastening groove and a second fastening groove 111 located on a set of opposite side walls in the first mounting groove 12, the first fastening groove corresponds to the first protrusion 232, and the second fastening groove 111 corresponds to the second protrusion. Specifically, when the button portion is pressed, a distance from a free end of the first protrusion 232 to a free end of the second protrusion 232 is smaller than or equal to a distance from an opening plane of the first card slot to an opening plane of the second card slot 111, that is, the first protrusion 232 and the second protrusion can freely (without hindrance) move to the outside of the first mounting groove 12 or move to the outside of the corresponding opening positions of the first card slot and the second card slot 111 in the first mounting groove 12.

In addition, when the button portion is not pressed, the distance from the free end of the first projection 232 to the free end of the second projection is greater than the distance from the opening plane of the first card slot to the opening plane of the second card slot 111, that is, when the first projection 232 and the second projection move to the outer side of the first mounting groove 12, the first projection 232 and the second projection cannot be clamped into the corresponding first card slot and the second card slot 111; and when the first lug 232 and the second lug move to the outer sides of the corresponding opening positions of the first clamping groove and the second clamping groove 111 in the first mounting groove 12, the first lug 232 is clamped and limited in the first clamping groove, and the second lug is clamped and limited in the second clamping groove 111, so that the first buckle tongue component 2 is completely restrained and fixed on the buckle frame 1.

Certainly, in practical application, the first fastening tongue component 2 may be completely restrained and fixed on the fastening frame 1 by other fastening structure modes, and specifically may be adjusted according to actual design requirements.

As shown in fig. 3, a first positioning hole 233 is disposed on a side of the head end of the left core 23 facing the right core 24, a second positioning hole 242 is disposed on a side of the head end of the right core 24 facing the left core 23, and the first positioning hole 233 and the second positioning hole 242 are coaxially disposed. Correspondingly, the elastic ball component 22 has a convex column 221 corresponding to the first positioning hole 233 and a convex column 222 corresponding to the second positioning hole 242, and the elastic ball component 22 is installed and fixed in the elastic groove 21 in a manner that the convex column 221 is embedded and fixed in the first positioning hole 233 of the left core 23 and the convex column 222 is embedded and fixed in the second positioning hole 242 of the right core 24, and simultaneously the head ends of the left core 23 and the right core 24 are synchronously connected, thereby improving the practicability of the structural design, simplifying the connection structure, facilitating the part processing, reducing the number of assembled parts, and improving the manufacturing efficiency. Of course, in practical applications, the left core 23 and the right core 24 can be directly connected simultaneously by other fixing means, but this will increase the complexity of the structure of the first latch assembly 2.

Particularly, the shape and size of the first mounting groove 12 are matched with those of the main body of the first latch assembly 2, so that the main body of the first latch assembly 2 can be smoothly and rotatably embedded in the first mounting groove 12 around the first pin 101. Further, when the first latch assembly 2 is fixed to the buckle frame 1, the lower surface of the main body of the first latch assembly 2 is flush with or lower than the upper surface of the buckle frame 1; that is, when the first latch assembly 2 is fixed to the buckle system frame 1, the body of the first latch assembly 2 is hidden in the first mounting groove 12 and does not protrude through the upper surface of the buckle system frame 1, so that the appearance can be improved while the mounting stability of the first latch assembly 2 is ensured, and the structure is rationalized.

In an embodiment of the present invention, the watch buckle further includes a second buckle tongue component 3 hinged and fixed on the buckle frame 1 through a third pin 102, and the third pin 102 is parallel to the first pin 101, i.e. the first buckle tongue component 2 rotates around the first pin 101 and the second buckle tongue component 3 rotates around the third pin 102 in the same direction.

In addition, the buckle making frame 1 is provided with a second mounting groove 14 matched with the shape and size of the main body of the second buckle tongue component 3, and when the second buckle tongue component 3 is rotatably embedded in the second mounting groove 14 around the third pin shaft 102, the lower surface of the main body of the second buckle tongue component 3 is level or lower than the upper surface of the buckle making frame 1; therefore, the second latch assembly 3 can be embedded and hidden in the second mounting groove 14 in a smooth rotating manner around the third pin shaft 102, the mounting stability of the second latch assembly 3 is ensured, and the second latch assembly is prevented from being separated from the second mounting groove by external rubbing impact.

Further, the fastening frame 1 is H-shaped, the first mounting groove 12 and the second mounting groove 14 respectively form two H-shaped recesses, and the first pin 101 and the third pin 102 are respectively disposed at the opening positions of the two H-shaped recesses, at this time, since the first fastening tongue component 2 and the second fastening tongue component 3 are respectively disposed at the two ends of the fastening frame 1 in the length direction, and the first fastening tongue component 2 and the second fastening tongue component 3 can be respectively embedded on the fastening frame 1 around the first pin 101 and the third pin 102 in a rotating manner, that is, the entire length of the fastening state of the watch buckle is the length of the fastening frame 1; in addition, the first latch assembly 2 and the second latch assembly 3 can rotate around the first pin 101 and the third pin 102 respectively and extend and protrude in a direction away from the fastening frame 1, that is, the overall length of the released state of the watch buckle is the sum of the lengths of the first latch assembly 2, the fastening frame 1 and the third latch assembly 3.

Therefore, the watch buckle is provided with the second buckle tongue component 3 and the buckle making frame 1 in an H shape, and the first buckle tongue component 2 and the second buckle tongue component 3 are connected and fixed at two ends of the buckle making frame 1 in the length direction through the first pin shaft 101 and the third pin shaft 102, so that the overall length of the watch buckle in a loosening state can be effectively increased, and the difference value between the overall length of the watch buckle in the loosening state and the overall length of the watch buckle in a fastening state is maximized.

In practical application, can connect two watchbands of wrist-watch respectively in first buckle tongue subassembly 2 keep away from the one end of first round pin axle 101 (being first buckle tongue subassembly 2 the second end), and the second buckle tongue subassembly 3 keep away from the one end of third round pin axle 102, thereby the whole length of the fastening state that usable above-mentioned table was buckled has the characteristics of maximum difference with the whole length of the state of loosening, the whole girth that makes the dismantlement state of wrist-watch is far more than the whole girth of wearing the state, thereby make wear and dismantle convenient and fast more, improve the suitability that the wrist-watch used.

Referring to fig. 4, a limit plate 31 is disposed at an end of the second latch assembly 3 away from the third pin 102, and the latch frame 1 is disposed with a limit groove 15 corresponding to the limit plate 31 and communicating with the second mounting groove 14. Correspondingly, a pressing block 25 is arranged at the second end of the first buckle tongue component 2, when the second buckle tongue component 3 is rotatably embedded in the second mounting groove 14 around the third pin shaft 102 and the first buckle tongue component 2 is fixed to the buckle clamping frame 1, the limiting plate 31 is abutted and embedded in the limiting groove 15, and the pressing block 25 is fixedly pressed on the surface of the limiting plate 31, which is opposite to the limiting groove 15; thereby need not to set up the structural design who is used for the buckle fixed at the one end that second knot tongue subassembly 3 keeps away from third round pin axle 102, make simple structure, not only beautifully can also be fixed buckle system frame 1 by first knot tongue subassembly 2 in, fix second knot tongue subassembly 3 crimping on buckle system frame 1 in step, simple structure is practical, and the fixed mode is firm reliable, and the operation is simple and easy convenient, is convenient for wear the use.

The lower surface of the end of the second latch assembly 3 away from the third pin 102 is further provided with a watchband core 32 for fixedly connecting a watchband, which is beneficial to connecting the watch latch with the watchband of the watch, and the watchband of the watch can be fixedly connected to the end of the second latch assembly 3 away from the third pin 102.

In an embodiment of the safety catch 4, the safety catch 4 specifically includes a catch rod 41 and two connecting rods 42 with one ends respectively hinged and fixed on one end of the catch rod 41, and the other end of one connecting rod 42 is hinged and fixed to the left pressing arm 231 through one rod-shaped key 201, and the other end of the other connecting rod 42 is hinged and fixed to the right pressing arm 241 through the other rod-shaped key 201 (the two rod-shaped keys 201 constitute two second pin shafts for the safety catch 4 to hinge with the first tongue assembly 2), the structure is simple, and a penetrating position for inserting a watch watchband is formed by enclosing between the catch rod 41 and the two connecting rods 42. When the watch is fixed, one end of the watchband of the watch can be inserted into the penetrating position of the safety buckle 4, and then the watchband is buckled and fixed on the watch buckle through the safety buckle 4. In practical application, the positioning pin column 411 can be arranged below the buckle rod 41, so that the positioning pin column 411 corresponds to a positioning hole on a watchband of the watch, and when the safety buckle 4 buckles and fixes the watchband of the watch on the watch buckle, the positioning pin column 411 is inserted and positioned in the positioning hole of the watchband of the watch, so that the watchband is stably and reliably connected and fixed with the watch buckle, and the detachable connection is realized.

Of course, in practical application, a fourth latch assembly may be further provided to further increase the overall length of the released state of the watch buckle, which should be set according to practical situations.

In another embodiment of the present invention, the locking frame 1 is U-shaped, the first mounting groove 12 forms a U-shaped recess of the locking frame 1, and the first pin 101 is disposed at an opening of the U-shaped recess. At this time, the overall length of the buckle of the watch buckle in the fastened state is the length of the buckle frame 1, and the overall length of the buckle in the released state is the sum of the lengths of the buckle frame 1 and the first latch assembly 2.

The embodiment of the utility model provides a still provide a wrist-watch, include the dial plate and connect first watchband and the second watchband at the dial plate respectively. In addition, the watch also comprises the watch buckle, one end of the first watchband, far away from the watch dial, of the watch is connected with the watchband core 32 fixed on the watch buckle, and one end of the second watchband, far away from the watch dial, of the watch penetrates through the safety buckle 4 of the watch buckle and is fastened and fixed on the watch buckle through the safety buckle 4.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a watch clasp which characterized in that, including buckle system frame, first buckle tongue subassembly and the insurance of being used for fixed wrist-watch watchband detain, wherein: the first end of the first buckle tongue component is hinged and fixed on the buckle frame through a first pin shaft, the second end of the first buckle tongue component is hinged and fixed with the safety buckle through a second pin shaft, and when the first buckle tongue component is buckled to the buckle frame around the first pin shaft and the safety buckle is buckled to the first buckle tongue component around the second pin shaft, the buckle frame, the first buckle tongue component and the safety buckle are overlapped together in a Z shape;

the second end of the first buckle tongue component is provided with an elastic groove, an elastic ball component, a clamping part and a button part, the elastic ball component is arranged in the elastic groove, and the clamping frame is provided with a clamping structure corresponding to the clamping part; when the button part is pressed, the width of the elastic groove is reduced, the side wall in the width direction extrudes the elastic ball component, and the clamping part is driven to move towards the direction far away from the clamping structure; when the clamping part moves to the buckle structure and the button part is not pressed, the elastic ball component pushes and presses the side wall of the elastic groove and pushes the clamping part to be clamped in the buckle structure, so that the second end of the first buckle tongue component is fixed on the buckle frame.

2. The clasp of claim 1 wherein the resilient ball member comprises a spherical resilient ball having a diameter dimension less than or equal to a width dimension of the resilient groove; when the elastic ball component is arranged in the elastic groove, the elastic ball body is positioned in the center of the elastic groove;

the clamping frame comprises a first mounting groove; the first buckle tongue component comprises a left core making component and a right core making component which are symmetrically arranged and fixed in a mode that the head ends are separated and the tail ends are attached, and the tail ends of the left core making component and the right core making component are installed in the first installation groove through the first pin shaft; the elastic groove is located between the head ends of the left core making part and the right core making part, and the elastic groove is in a wedge shape with the width gradually increased from the first end of the first buckle tongue component to the second end of the first buckle tongue component.

3. The clasp of claim 2 wherein the button portion comprises a left pressing arm on a side of the left tumbler facing away from the right tumbler and a right pressing arm on a side of the right tumbler facing away from the left tumbler, and the left and right pressing arms are coaxial;

a button groove is formed in the upper surface of the clamping frame, and when the first buckle tongue component is fixed to the clamping frame, at least one part of each of the left pressing arm and the right pressing arm is embedded into the button groove;

the button part also comprises two rod-shaped keys which are respectively arranged on the left pressing arm and the right pressing arm, and the two rod-shaped keys are respectively arranged along the width direction of the first buckle tongue component and form two second pin shafts which are used for hinging the safety buckle with the first buckle tongue component.

4. The watch buckle according to claim 2, wherein the opposite sides of the head ends of the left and right cores are respectively provided with a positioning hole, and the two positioning holes are coaxially arranged; the elastic ball component is provided with two convex columns which respectively correspond to the positioning holes, and the elastic ball component is arranged in the elastic groove in a mode that one convex column is embedded and fixed to the positioning hole of the left core, and the other convex column is embedded and fixed to the positioning hole of the right core.

5. The watch buckle of claim 3, wherein the snap-in portion comprises a first protrusion located on a side of the left control core facing away from the right control core and a second protrusion located on a side of the right control core facing away from the left control core, the first and second protrusions being coaxial, and the first protrusion being adjacent to the left pressing arm and the second protrusion being adjacent to the right pressing arm;

the buckle structure comprises a first clamping groove and a second clamping groove which are positioned in the first mounting groove and are provided with a group of opposite side walls, the first clamping groove corresponds to the first bump, and the second clamping groove corresponds to the second bump; when the button part is pressed, the distance from the free end of the first projection to the free end of the second projection is smaller than or equal to the distance from the opening plane of the first card slot to the opening plane of the second card slot; when the button part is not pressed, the distance from the free end of the first projection to the free end of the second projection is larger than the distance from the opening plane of the first card slot to the opening plane of the second card slot.

6. The watch clasp of claim 2, wherein the first mounting groove matches the shape and size of the body of the first clasp tongue assembly, and when the first clasp tongue assembly is secured to the clasp frame, the body of the first clasp tongue assembly nests into the first mounting groove with a lower surface of the body of the first clasp tongue assembly flush with or below an upper surface of the clasp frame.

7. The watch buckle of claim 6, further comprising a second buckle tongue assembly hingedly secured to the buckle-making frame by a third pin, the third pin being parallel to the first pin; the clamping and buckling frame is provided with a second mounting groove matched with the shape and size of the main body of the second buckling tongue assembly, and when the second buckling tongue assembly is rotatably embedded in the second mounting groove around the third pin shaft, the lower surface of the main body of the second buckling tongue assembly is flush with or lower than the upper surface of the clamping and buckling frame;

the buckle system frame is H style of calligraphy, just first mounting groove and second mounting groove constitute respectively two concave parts of H style of calligraphy, first round pin axle with the third round pin axle is located respectively the open position of two concave parts of H style of calligraphy.

8. The watch buckle according to claim 7, wherein a limit plate is disposed at an end of the second buckle tongue assembly away from the third pin shaft, and the buckle frame is provided with a limit groove corresponding to the limit plate and communicating with the second mounting groove; a pressing block is further arranged at the second end of the first buckle tongue component, when the second buckle tongue component is rotatably embedded in the second mounting groove around the third pin shaft and the first buckle tongue component is fixed to the buckle frame, the limiting plate is abutted against and embedded in the limiting groove, and the pressing block is fixedly pressed on the surface, opposite to the limiting groove, of the limiting plate; the lower surface of one end, far away from the third pin shaft, of the second buckle tongue assembly is also provided with a watchband core for fixing a watchband.

9. The clasp of claim 2 wherein the clasp frame is U-shaped, the first mounting slot defines a U-shaped recess of the clasp frame, and the first pin is disposed at an opening of the U-shaped recess.

10. A watch, comprising a dial and a first watchband and a second watchband which are respectively connected with the dial, wherein the watch further comprises a watch buckle according to any one of claims 1-9, one end of the first watchband, which is far away from the dial, is connected with a watchband manufacturing core fixed on the watch buckle, and one end of the second watchband, which is far away from the dial, is inserted into a safety buckle of the watch buckle and is fastened and fixed on the watch buckle by the safety buckle.

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