CN111920153A

CN111920153A - Watch buckle capable of adjusting tightness of watchband by pressing and watch

Info

Publication number: CN111920153A
Application number: CN202010836203.XA
Authority: CN
Inventors: 裘里斯杨; 魏礼
Original assignee: Ruixin Hardware Heyuan Co ltd
Current assignee: Ruixin Hardware Heyuan Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2020-11-13

Abstract

The invention provides a watch buckle for regulating the tightness of a watchband by pressing and a watch, wherein the watch buckle for regulating the tightness of the watchband by pressing comprises a buckle making base and a surface cover, the surface cover is pivoted on the buckle making base, the watch buckle for regulating the tightness of the watchband by pressing also comprises an elastic driving assembly, a locking assembly and a rack member assembled to the tail end of the watchband, and the rack member is provided with a sawtooth structure; the locking assembly is rotatably mounted in the face cover and comprises a locking member and a gear engaged with the sawtooth structure of the rack member; the elastic driving assembly comprises a switch piece provided with a buckling structure, the buckling structure is clamped to the locking component and prevents the gear from rotating to lock and fix the rack component, and the buckling structure is separated from the locking component when the switch piece is pressed. The invention has simple and reliable structure, does not increase the volume of the watch buckle, reduces the influence on the designability of the appearance of the face cover and ensures the attractive appearance.

Description

Watch buckle capable of adjusting tightness of watchband by pressing and watch

Technical Field

The embodiment of the invention relates to the technical field of wearing equipment, in particular to a watch buckle capable of adjusting the tightness of a watchband in a pressing mode and a watch.

Background

A wristwatch, also called a wristwatch, refers to an instrument worn on the wrist for timing and displaying time. Watches are generally made of leather, rubber, nylon cloth, stainless steel, etc. to form a band for holding a watch face displaying time on the wrist.

In order to adjust the tightness of the watchband and ensure the convenience of operation, an elasticity adjusting device for adjusting the length of the watchband is usually added to the existing watch. However, since the structure of the slack adjuster of the conventional wristwatch is complex, the conventional wristwatch integrates the slack adjuster and the watch buckle, which complicates the overall structure of the watch buckle and increases the overall size of the watch buckle, which not only reduces the wearing comfort, but also limits the designability of the appearance of the watch buckle, and affects the appearance of the watch buckle.

Disclosure of Invention

The embodiment of the invention provides a watch buckle and a watch, which can press and adjust the tightness of a watch strap, aiming at the problems that the overall structure of the watch buckle is complicated, the overall volume of the watch buckle is increased, the designability of the appearance of the watch buckle is limited and the appearance of the watch buckle is influenced due to the complicated structure of the tightness adjusting device of the existing watch.

The technical scheme for solving the technical problems is that the watch buckle for adjusting the tightness of the watchband by pressing comprises a buckle making base and a surface cover, wherein one end of the surface cover is pivoted and fixed on the buckle making base through a first pin shaft;

the locking assembly is rotatably mounted in the face cover and comprises a locking member and a gear engaged with the sawtooth structure of the rack member; elastic drive assembly install in the face lid, elastic drive assembly includes the switch spare, the switch spare be equipped with the buckle structure of locking member looks adaptation, just the buckle structure is in the joint arrives when the switch spare is in free state locking member prevents the gear revolve, in order to incite somebody to action rack member locking is fixed, the buckle structure is in break away from when the switch spare is pressed locking member, in order to release the gear.

Preferably, one end of the rack member, which is far away from the watchband, is provided with a guide groove, the guide groove is arranged along the length direction of the watchband, and two sides of the guide groove are respectively provided with the sawtooth structures; a limiting pin matched with the guide groove is arranged in the face cover, and at least one part of the limiting pin is inserted into the guide groove.

Preferably, the face cover comprises a cover main body and a bottom plate, the bottom plate is detachably mounted in the cover main body, and the elastic driving assembly and the locking assembly are respectively positioned between the cover main body and the bottom plate;

the locking assembly comprises two gears and two locking members, and each gear is respectively installed in the face cover in a mode of being perpendicular to the face cover through one locking member; the two gears are distributed along the length direction perpendicular to the face cover, the rack member is positioned between the two gears, and the sawtooth structures on two sides of the guide groove of the rack member are respectively meshed with the two gears.

Preferably, two ends of the locking member are respectively provided with a pivoting head positioned on the axis, the cover main body and the bottom plate are respectively provided with two pivoting holes matched with the pivoting heads, and the two locking members are respectively pivoted and fixed in the face cover in a manner that the pivoting heads at the two ends are respectively inserted into the pivoting holes of the cover main body and the bottom plate;

the cover main body comprises a supporting framework which is arranged in a shape like a Chinese character 'wang', and the supporting framework is parallel to the bottom plate; the supporting framework is positioned in the center of the cover main body and arranged along the length direction of the face cover, and the two pivoting holes of the cover main body are respectively positioned at two ends of a middle cross beam of the supporting framework; the limiting pin is vertically fixed on the bottom plate, a limiting hole is formed in the middle of the middle cross beam, and when the bottom plate is assembled on the face cover, one end, far away from the bottom plate, of the limiting pin is connected with the limiting hole in a matched mode;

the middle part of each locking component is respectively provided with a first step and a second step, the cross sections of the first step and the second step are square, and the second step is matched with the buckle structure; each the center of gear be equipped with respectively with the square hole of first step looks adaptation, and each the gear all passes through the square hole card is gone into the mode of first step with locking member coaxial coupling, and pass through the square hole with first step cooperation realize with locking member's synchronous rotation.

Preferably, the elastic driving assembly comprises two switch pieces and a auricular needle positioned in the face cover, the two switch pieces are respectively assembled and fixed on two side walls of the face cover in a manner of being capable of moving along the direction perpendicular to the length direction of the face cover, and one ends of the two switch pieces inserted into the face cover are respectively connected with two ends of the auricular needle;

each switch piece is provided with a square clamping groove and a clearance groove which are communicated, and the buckle structure is formed by the square clamping grooves; keep away the dead slot and be located square draw-in groove keeps away from one side of giving birth to the auricular needle, and two the square draw-in groove of switch spare is in respectively give birth to the sub-joint of bulldozing effect of auricular needle and arrives two locking member's second step, with will locking member and gear are spacing fixed.

Preferably, the second step has a cross section larger than that of the first step, and is located between the first step and the bottom plate when the locking member is mounted between the cover main body and the bottom plate;

the clearance groove is larger than the square clamping groove, and when the two switch pieces are pressed, the two switch pieces move towards the direction of the face cover and compress the ear-growing needle, so that the second step of the locking member is separated from the square clamping groove and enters the clearance groove.

Preferably, the watch buckle for adjusting the tightness of the watchband by pressing further comprises two driven gears and two rotating members, wherein the two driven gears are rotatably mounted in the face cover through the two rotating members respectively, the two driven gears are meshed with the two gears respectively, and when the rack member slides in the face cover along the length direction, the two gears drive the two driven gears to rotate respectively.

Preferably, the cover main body comprises a transparent piece, an opening is formed in the top surface of the cover main body, and the transparent piece is fixedly installed on the opening; the locking assembly, the two driven gears, and the two rotating members are exposed to the opening.

Preferably, the buckle making base comprises a making frame and a making core, a first end of the making core is pivotally connected and fixed to one end of the making frame through a second pin shaft, and the surface cover is pivotally connected and fixed to a second end of the making core through a first pin shaft; the system frame has along length direction setting and with the main part looks adaptation of system core keeps away the dead slot position, just system core is through around rotatory lock of second round pin axle is in when making the frame, the main part embedding of system core is in keep away the dead slot position.

The embodiment of the invention also provides a watch, which comprises a watchband and the watch buckle for adjusting the tightness of the watchband by pressing according to any one of the watchbands; the tail end of the watchband is provided with a first assembling hole, the rack member is provided with a second assembling hole matched with the first assembling hole, and the rack member is fixedly connected with the watchband through a fastener penetrating through the second assembling hole and the second assembling hole.

The watch buckle and the watch with the elastic degree of the watchband adjusted by pressing have the following beneficial effects: the locking assembly and the elastic driving assembly are arranged in the face cover, and the gear is prevented from rotating by the switch piece, so that the rack member can be locked and fixed, the structure is simple and reliable, and the rack member can be released only by pressing the switch piece, so that the rack member can slide and stretch in the face cover, the tightness of the watchband can be adjusted, the operation is convenient and rapid, the locking assembly and the elastic driving assembly cannot increase the volume of the watch buckle, the appearance design of the face cover cannot be limited, the influence on the designability of the appearance of the face cover is reduced, and the attractive appearance of the watch buckle is ensured; and the mode that the gear is meshed with the sawtooth structure of the rack component is adopted, so that the function of adjusting the tightness of the watch band is achieved, and the appearance of the watch buckle is more attractive.

Drawings

FIG. 1 is a schematic structural view illustrating an exploded watch buckle for adjusting the tightness of a watch band by pressing according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the interior of the watch buckle for adjusting the tightness of the watch band by pressing according to the embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a cross section of a watch buckle for adjusting the tightness of a watch band by pressing according to an embodiment of the present invention;

fig. 4 is an operation schematic diagram of adjusting the watch buckle for adjusting the tightness of the watch band by pressing, according to an embodiment of the present invention, wherein: FIG. (a) is a schematic view of the operation of the push switch; FIG. (b) is a schematic view of the action of pushing the rack member to slide toward the face cover; FIG. (c) is a schematic view of the action of pulling the rack member to slide in a direction away from the face cover; fig. d is a schematic view of the internal structure of the buckle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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.

Fig. 1 is a schematic structural diagram illustrating an exploded watch buckle for adjusting the tightness of a watch band by pressing, according to an embodiment of the present invention, where the watch buckle for adjusting the tightness of the watch band by pressing can be applied to the technical field of wearable devices, in particular, a watch. As shown in fig. 2, the watch buckle for adjusting the tightness of the watchband by pressing in the embodiment includes a buckle making base 1 and a face cover 2, one end of the face cover 2 is pivotally connected to the buckle making base 1 through a first pin 3, the face cover 2 can be rotationally buckled to the buckle making base 1 around the first pin 3, or can be rotationally separated from the buckle making base 1 around the first pin 3, so as to increase or decrease the total length of the watch buckle for adjusting the tightness of the watchband by pressing, thereby realizing wearing.

The watch buckle for adjusting the tightness of the watchband by pressing also comprises an elastic driving assembly 4, a locking assembly 5 and a rack member 6, wherein the rack member 6 is used for being assembled to the tail end of the watchband so as to realize the connection between the watch buckle and the watchband. Also, the rack member 6 is provided with a saw-tooth structure 61, and the saw-tooth structure 61 is provided along the length direction of the band.

Further, the locking assembly 5 includes a locking member 51 and a gear 52, and the gear 52 is rotatably mounted in the face cover 2 through the locking member 51, for example, the gear 52 is fixedly connected to the locking member 51 and rotates synchronously with the locking member 51, and the locking member 51 is pivotally mounted in the face cover 2 in an axially rotatable manner. Of course, the locking member 51 is preferably pivotally fixed in the face cover 2 in a manner perpendicular to the plane of the face cover 2, that is, the locking member 51 can rotate around the vertical direction of the face cover 2, and the locking member 51 can be perpendicular to the length direction of the face cover 2.

When the gear 52 and the lock member 51 are fitted into the face cover 2, the gear 52 is engaged with the serration structure 61 of the rack member 6. Since gear 52 is rotatable, rack member 6 will simultaneously drive gear 52 to rotate as it slides within face cover 2. In practical application, the rack member 6 may be limited by the gear 52, so that the rack member 6 slides in the face cover 2 along a preset direction (preferably, the rack member 6 slides in the length direction of the face cover 2, the sliding stroke of the rack member 6 can be increased, and the tightness adjustment range of the watchband can be further increased), or a guide structure for limiting the rack member 6 is arranged in the face cover 2, for example, a guide slot is arranged on the outer wall of the rack member 6 along the length direction of the watchband, a guide clamping edge matched with the guide slot is arranged in the face cover 2, and the guide clamping edge is clamped into the guide slot to realize positioning and guiding of the rack member 6.

In particular, the elastic driving assembly 4 is installed in the face cover 2, and the elastic driving assembly 4 includes a switch member 41, and the switch member 41 has a snap structure adapted to the locking member 51. And, the snap structure is snap-fixed to the locking member 51 when the switch member 41 is in a free state (i.e., a state where the switch member 41 is not subjected to an external force but is only subjected to an elastic force), so that the gear 52 can be prevented from rotating. Since the gear 52 is engaged with the serration 61 of the rack member 6, the rack member 6 can be lockingly fixed in the face cover 2.

During the strap tightening adjustment, the switch 41 is depressed to disengage the catch structure of the switch 41 from the locking member 51 and release the gear 52 so that the rack member 6 can slide along the length of the strap within the face cover 2, as shown in fig. 4.

Above-mentioned press watch of adjusting watchband elasticity to detain through locating locking Assembly 5 and elastic drive assembly 4 in face lid 2, and prevent gear 52 by switch 41 and rotate, thereby can be fixed with rack component 6 locking, this simple structure is reliable, and only need press switch 41 can release rack component 6, rack component 6 can slide in face lid 2 like this and stretch out and draw back, realize the regulation of watchband elasticity, this convenient operation is swift, and locking Assembly 5 and elastic drive assembly 4 can not increase the whole volume that the watch was detained, also can not restrict the design of the appearance of face lid 2, thereby can reduce the influence of designability to the appearance of face lid 2, the outward appearance of guaranteeing the watch to detain is pleasing to the eye.

Moreover, the watch buckle for adjusting the tightness of the watch band by pressing adopts a mode that the gear 52 is meshed with the sawtooth structure 61 of the rack member 6, so that the tightness of the watch band is adjusted, the appearance of the watch buckle is more attractive, mechanical elements are added, and the attractiveness of appearance design is improved.

In one embodiment of the present invention, one end of the rack member 6 away from the band is provided with a guide groove 62, the guide groove 62 is arranged along the length direction of the band, and both sides of the guide groove 62 are respectively provided with a saw tooth structure 61. In addition, a limiting pin 21 is arranged in the face cover 2, the limiting pin 21 is matched with the guide groove 62, and at least one part of the limiting pin 21 is inserted into the guide groove 62, so that the rack member 6 can be guided, the stroke range of the rack member 6 can be limited, and the rack member 6 is prevented from falling off the face cover 2 or penetrating out of the face cover 2 to the other end of the face cover 2.

In practical applications, two stopper pins 21 may be provided, and the two stopper pins 21 may be distributed along the longitudinal direction of the face cover 2, and at least a portion of each of the two stopper pins 21 may be inserted into the guide groove 62 of the rack member 6. Since the stopper pins 21 are fitted to the guide grooves 62, the rack member 6 can reliably slide in the longitudinal direction of the face cover 2 in a manner of being stopped by the two stopper pins 21. Further, the rack member 6 is not moved in the width direction of the face cover 2 by the limit of the two limit pins 21, and the sliding of the rack member 6 can be more reliably and stably performed. Of course, when one stopper pin 21 is used, the rack member 6 can be stopped in cooperation with the gear 52, and the rack member 6 can be reliably and stably slid in the longitudinal direction of the face cover 2.

The sawtooth structure 61 of the rack member 6 is preferably recessed so that when the gear 52 is engaged with the sawtooth structure 61 of the rack member 6, the gear 52 can be used to limit the vertical direction of the rack member 6 (i.e. the vertical direction of the face cover 2, and also the vertical direction of the plane of the gear 52), thereby preventing the rack member 6 from moving up and down to affect the engagement connection with the gear 52.

The face cover 2 of the present embodiment includes a cover main body 22 and a bottom plate 23, wherein the bottom plate 23 is detachably installed in the cover main body 22, and the elastic driving assembly 4 and the locking assembly 5 are respectively located between the cover main body 22 and the bottom plate 23. Above-mentioned bottom plate 23 accessible bolt mounting is fixed to lid main part 22, and convenient operation is swift, and can improve the joint strength between bottom plate 23 and the lid main part 22, makes the structure more firm reliable. Above-mentioned face lid 2 is through setting up bottom plate 23, but the greatly reduced assembly degree of difficulty effectively improves assembly efficiency, and locking Assembly 5 and elastic drive subassembly 4 can install earlier on bottom plate 23, then assemble lid main part 22 through bottom plate 23, with locking Assembly 5 and elastic drive subassembly 4 assembly fixed to face lid 2 in.

In another embodiment of the present invention, the locking assembly 5 comprises two gears 52 and two locking members 51, and each gear 52 is mounted in the face cover 2 perpendicularly to the face cover 2 through one locking member 51, so that the two gears 52 can be rotatably assembled. The two gears 52 are distributed in a direction perpendicular to the length direction of the face cover 2, the rack member 6 is located between the two gears 52, and the saw-tooth structures 61 on both sides of the guide groove 62 of the rack member 6 are respectively engaged with the two gears 52, so that the rack member 6 is not shifted in the left-right direction by the two gears 52 and the saw-tooth structures 61 on both sides of the rack member 6.

Specifically, the locking member 51 is cylindrical, and two ends of the locking member 51 are respectively provided with a pivot joint 511 (specifically, the two pivot joints 511 may be circular convex structures in cross section), and the two pivot joints 511 are coaxial and respectively coincide with the axis of the locking member 51, so that when the two pivot joints 511 are pivoted and rotated, the locking member 51 can rotate around the axis thereof, and the rationality of the structural design is ensured.

In addition, the cover main body 22 and the bottom plate 23 are respectively provided with two corresponding pivot holes 24, and each pivot hole 24 is respectively matched with the pivot joint 511 of the necking member 5, so that the two locking members 51 can be pivotally fixed in the face cover 2, namely the cover main body 22, in a manner that the pivot joints 511 at the two ends are respectively inserted into the two pivot holes 24 on the cover main body 22 and the bottom plate 23.

Further, the cover main body 22 includes a support frame 223 formed in a shape of a Chinese character 'wang', the support frame 223 is parallel to the bottom plate 23, and a gap is formed between the support frame 223 and the top surface of the cover main body 22. The supporting frame 223 is located at the center of the cover main body 22 and is disposed along the length direction of the face cover 2, and the two pivot holes 24 of the cover main body 22 are respectively located at two ends of a middle beam of the supporting frame 223 (the supporting frame 223 includes three beams arranged along the length direction, the middle beam is the central beam), so that the two pivot holes 24 of the middle beam can be pivotally connected and fixed with the two locking members 51.

In addition, one end of the limiting pin 21 is fixedly connected to the bottom plate 23 and is perpendicular to the bottom plate 23, and the middle of the middle cross beam of the supporting framework 223 is provided with a limiting hole 224, so that when the bottom plate 23 is assembled on the face cover 22, one end of the limiting pin 21, which is far away from the bottom plate 23, is matched and connected with the limiting hole 224, so that the two ends of the limiting pin 21 are limited and fixed, the assembling strength of the limiting pin 21 is higher, and reliable limiting and guiding of the rack member 6 are realized. When the rack member 6 is engaged with the gear 52, the lower surface of the rack member 6 abuts or abuts against the bottom plate 23, and the upper surface of the rack member 6 abuts or abuts against the support frame 223, so that the rack member 6 can be restrained, and the rack member 6 can be prevented from moving up and down.

The support frame is preferably removably mounted and secured within the cover body 22 to facilitate assembly operations. For example, locking holes are provided at both ends of the cross members on both sides of the support frame 223 in the longitudinal direction, and the support frame 223 is locked and fixed in the cover main body 22 by screws passing through both ends of the two cross members.

Of course, in practical applications, the locking member 51 may also be pivotally fixed in the face cover 2 by other connection manners, which may be determined according to practical situations. For example, a ring-shaped slot is disposed at one end of the locking member 51 facing the bottom plate 23, and a clamping edge adapted to the ring-shaped slot is disposed on the bottom plate 23, and the clamping edge and the ring-shaped slot cooperate to realize pivotal fixation. The clamping edge can be formed by the side wall of a U-shaped groove communicated to the side edge of the bottom plate 23, and the annular clamping groove can be arranged by a groove opening of the U-shaped groove.

Further, each locking member 51 is provided with a first step 512 and a second step 513, and the first adjustment 512 and the second adjustment 513 are located between the two pivoting joints 511. Specifically, the cross section of the first step 512 and the cross section of the second adjustment 513 are both square, and the second step 513 is adapted to the snap structure of the switch piece 41, so that the switch piece 41 can be snapped to the second step 513 of the locking member 51 through the snap structure to lock and fix the locking member 51. Since the second adjustment 513 has a square cross section, the snap-in operation of the snap structure of the switch member 41 is facilitated, and the locking member 51 can be reliably locked and fixed. In practical applications, the cross-section of the second step 513 may be in other shapes, such as a regular hexagon, a regular octagon, etc.

In addition, a square hole 521 is respectively arranged at the center of each gear 52, and the square hole 521 is matched with the first step 512, so that each gear 52 can be coaxially connected with the locking member 51 in a manner that the square hole 521 is clamped into the first step 512, and can synchronously rotate with the locking member 51 through the matching of the square hole 521 and the first step 512, so that the locking member 51 can effectively prevent the gear 52 from rotating, and the rack member 6 is locked and fixed.

Referring to fig. 3, the elastic driving member 4 includes an ear generating needle 42 and two switch members 41, wherein the ear generating needle 42 is disposed in the face cover 2. The two switch pieces 41 are respectively assembled and fixed on the two side walls of the face cover 2 in a manner of being capable of moving along the length direction vertical to the face cover 2, and one ends of the two switch pieces 41 inserted into the face cover 2 are respectively connected with the two ends of the ear generating needle 42, so that an operator can respectively press the two switch pieces 41 through a thumb and a forefinger, so that the two switch pieces 41 move oppositely and overcome the spring force to press the ear generating needle 42, and the locking component 51 can be separated from the buckling structure. When the pressing force on the two switch members 41 is removed, the two switch members 41 can move back to back under the elastic restoring force of the ear pin 42, and the latch structure of the switch member 41 is snapped to the latch member 51 again, so that the rack member 6 is latched again.

Specifically, each switch member 41 is provided with a square slot 411 and a clearance slot 412 which are communicated with each other, and the fastening structure is formed by the square slots 411, so that the square slots 411 of the two switch members 41 are respectively fastened to the second steps 513 of the two locking members 51 under the pushing action of the ear pin 42, so as to lock and fix the locking members 51 and the gear 52. Of course, the shape and size of the square slot 411 can be adjusted according to the shape and size of the locking member 51.

In order to ensure that the square slot 411 can be disengaged from the second step 513 of the locking member 51 when the two switch members 41 are pressed, the clearance 412 should be located on the side of the square slot 411 away from the ear needle 42. Thus, when the two switches 41 are pressed, the two switches 41 move in the direction of the face cover 2 and compress the ear-producing pins 42, so that the second step 513 of the locking member 51 is separated from the square engaging groove 411 and enters the clearance groove 412, thereby releasing the position of the locking member 51.

Further, the cross section of the second step 513 is larger than that of the first step 512, and when the lock member 51 is mounted between the cover main body 22 and the bottom plate 23, the second step 513 is located between the first step 512 and the bottom plate 23, whereby one end of the gear 52 can be abutted by the second step 513, so that the gear 52 is not easily rattled on the first step 512. Of course, the gear 52 is preferably fixed on the first step 512 by interference fit (i.e. tight fit).

To prevent the switch 41 from affecting the rotation of the locking member 51, the clearance groove 412 should be larger than the square slot 411, so that when the second step 513 is separated from the square slot 411 and enters the clearance groove 412, the inner wall of the clearance groove 412 does not touch the second step 513, and the locking member 51 cannot rotate smoothly in the clearance groove 412 due to the contact with the second step 513.

In one embodiment of the present invention, the watch buckle for pressing and adjusting the tightness of the watchband further comprises two driven gears 7 and two rotating members 8, and the two driven gears 7 are respectively and fixedly connected to the two rotating gears 8 through fasteners, so as to realize synchronous movement with the two rotating gears 8. In addition, two driven gears 7 are respectively installed in the face cover 2 in a rotatable manner through two rotating members 8, and the two driven gears 7 are respectively meshed with the two gears 52, so that when the rack member 6 slides in the face cover 2 along the length direction, the two gears 52 can respectively drive the two driven gears 7 to rotate, and the gears 52 and the driven gears 7 are synchronously rotated through the rack member 6, so that the appearance design is more ornamental, and the most simplified structure is used, mechanical transmission elements can be added in the appearance design, the attractive force of the appearance can be greatly improved, and the appearance of the watch buckle is more attractive.

Certainly, in order to increase the ornamental value of the watch buckle, the decorative part can be installed on one side of the driven gear 7, which is opposite to the rotating member 8, so that when the rack member 6 drives the gear 52 and the driven gear 7 to rotate, two decorative parts installed on the two driven gears 7 can be synchronously rotated, a driving part for driving the decorative parts to rotate is not needed to be arranged, the simplification of the structure is guaranteed, and the appearance is attractive.

In particular, the cover main body 22 includes the transparent member 221, and the top surface of the cover main body 22 is provided with the opening 222, and the transparent member 221 is fixedly installed on the opening 222, so that it can be ensured that the locking assembly 5, the two driven gears 7, the two rotating members 8 and the two decoration members are respectively exposed at the opening 222, the feasibility of appearance design is ensured, and meanwhile, a protection effect can be achieved.

In another embodiment of the present invention, the buckle base 1 includes a making frame 11 and a making core 12, and a first end of the making core 12 is pivotally connected and fixed to one end of the making frame 11 through a second pin 13, and the surface cover 2 is pivotally connected and fixed to a second end 13 of the making core 12 through a first pin 3. Therefore, the core making 12 can be separated from the frame 11 by rotating around the second pin shaft 13 to be unfolded, and the face cover 2 can be separated from the core making 12 by rotating around the first pin shaft 3 to be unfolded, so that the wearing length can be increased to realize wearing. After wearing, the core making 12 is rotationally fastened to the making frame 11 around the second pin shaft 13, and the face cover 2 is rotationally fastened to the making frame 11 and the core making 12 around the first pin shaft 3, so that the wearing length is shortened, and the watch is locked on the arm.

Preferably, system frame 11 is equipped with keeps away the dead slot position, should keep away the dead slot position along length direction setting and with system core 12's main part looks adaptation, and system core 12 through around second round pin axle 13 rotatory lock to system frame 11 time, system core 12's main part embedding is keeping away the dead slot position in, so not only can protect system core 12, can also reduce the system when guaranteeing to wear the function and detain the volume of base 1, make system detain base 1 utensil high integration.

The watch comprises a watchband and the watch buckle for pressing and adjusting the tightness of the watchband, wherein the tail end of the watchband is provided with a first assembling hole, the rack member 6 is provided with a second assembling hole matched with the first assembling hole, and the rack member 6 is fixedly connected with the watchband through a fastener penetrating through the second assembling hole and the second assembling hole.

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 are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A watch buckle capable of adjusting the tightness of a watchband by pressing comprises a buckle making base and a surface cover, wherein one end of the surface cover is pivotally connected and fixed on the buckle making base through a first pin shaft;

2. The watch buckle for adjusting the tightness of a watch band according to claim 1, wherein a guide groove is formed in one end of the rack member, which is away from the watch band, the guide groove is formed along the length direction of the watch band, and the saw-tooth structures are respectively formed on two sides of the guide groove; a limiting pin matched with the guide groove is arranged in the face cover, and at least one part of the limiting pin is inserted into the guide groove.

3. The clasp of claim 2, wherein the face cover comprises a cover body and a bottom plate, the bottom plate is detachably mounted in the cover body, and the elastic driving assembly and the locking assembly are respectively located between the cover body and the bottom plate;

4. The watch buckle for adjusting the tightness of the watchband by pressing according to claim 3, wherein two ends of the locking member are respectively provided with a pivot joint positioned on an axis, the cover body and the bottom plate are respectively provided with two pivot holes matched with the pivot joints, and the two locking members are pivotally connected and fixed in the face cover in a manner that the pivot joints at the two ends are respectively inserted into the pivot holes of the cover body and the bottom plate;

5. The watch buckle for adjusting the tightness of a watch band according to claim 4, wherein the elastic driving assembly comprises two switch pieces and a lug generating needle positioned in the face cover, the two switch pieces are respectively assembled and fixed on two side walls of the face cover in a manner of being movable in a direction perpendicular to the length direction of the face cover, and one ends of the two switch pieces inserted into the face cover are respectively connected with two ends of the lug generating needle;

6. The clasp of claim 5 wherein the second step has a cross-section greater than the cross-section of the first step and is located between the first step and the base plate when the locking member is installed between the cover body and the base plate;

7. The clasp of claim 3 further comprising two driven gears and two rotating members, wherein the two driven gears are rotatably mounted in the face cover through the two rotating members, the two driven gears are engaged with the two gears, and the two gears respectively rotate the two driven gears when the rack member slides in the face cover along the length direction.

8. The clasp of claim 7, wherein the cover body comprises a transparent member, and an opening is formed on a top surface of the cover body, and the transparent member is fixed to the opening; the locking assembly, the two driven gears, and the two rotating members are exposed to the opening.

9. The watch buckle for adjusting the tightness of a watchband according to claim 1, wherein the buckle base comprises a making frame and a making core, a first end of the making core is pivotally connected and fixed to one end of the making frame through a second pin shaft, and the face cover is pivotally connected and fixed to a second end of the making core through a first pin shaft; the system frame has along length direction setting and with the main part looks adaptation of system core keeps away the dead slot position, just system core is through around rotatory lock of second round pin axle is in when making the frame, the main part embedding of system core is in keep away the dead slot position.

10. A wristwatch comprising a band and a clasp according to any one of claims 1 to 9 for press-adjusting the tightness of the band; the tail end of the watchband is provided with a first assembling hole, the rack member is provided with a second assembling hole matched with the first assembling hole, and the rack member is fixedly connected with the watchband through a fastener penetrating through the second assembling hole and the second assembling hole.