CN219047606U - Take body telescopic machanism and intelligent wrist-watch - Google Patents

Abstract

The utility model relates to the technical field of wearable equipment, and particularly discloses a belt body telescopic mechanism and an intelligent watch. The telescopic mechanism of the belt body comprises: the first belt buckle comprises a first buckle seat, a sliding cover, a key and an elastic piece; the first buckle seat is provided with a slot, a guide slot and a slide slot which are mutually perpendicular, the key is arranged in the slide slot in a sliding way, the elastic piece is arranged in the slide slot, the two sides of the key are respectively provided with a convex buckle and a buckle, the buckle is arranged in the slot, and the convex buckle is deviated from the first buckle seat; the sliding cover is convexly provided with a guide block and a plurality of locking grooves, the guide direction of the guide block is parallel to the arrangement direction of the locking grooves, the guide block is movably connected to the guide groove, and the buckle is detachably connected with the locking grooves; the second buckle comprises a second buckle seat, the second buckle seat is provided with a lock cavity, and the lock cavity is detachably connected with the convex buckle. Through pressing the button and order about the sliding cover and remove, the length of watchband can be adjusted to the thickness of user's wrist to the telescopic machanism of the area body of this application, reduces the watchband and appears too loose or too tight problem.

Description

Take body telescopic machanism and intelligent wrist-watch

Technical Field

The application relates to the technical field of wearable equipment, in particular to a belt body telescopic machanism and an intelligent watch.

Background

Wearable devices, i.e. portable devices that are worn directly on the body of the user or integrated into the clothing or accessories of the user, are mainly produced in the form of smart watches that are supported by the wrist, and other smart devices that are supported by the head or foot. The intelligent watch forms a ring shape through the watchband, so that the intelligent watch is convenient for users to wear and use.

However, the watchband in the prior art is generally formed by serially connecting the watch particles, if the length of the watchband needs to be adjusted, the watch particles can only be detached or added, but the minimum length of the watch particles has a limit, and the watch band is difficult to match with different thicknesses of the wrist of a user, so that the problem that the watchband is too loose or too tight often occurs. For some watchbands, different adjustment mechanisms are required to unlock and adjust the length of the watchband, resulting in a buckle that is bulky and complicated to adjust.

Disclosure of Invention

The aim of the embodiment of the utility model is that: the utility model provides a take body telescopic machanism and intelligent wrist-watch, it can solve the length of watchband among the prior art and be difficult to match the problem of user's wrist thickness.

In order to achieve the above purpose, the present application adopts the following technical scheme:

in one aspect, there is provided a belt retractor mechanism comprising:

the first belt buckle comprises a first buckle seat, a sliding cover, a key and an elastic piece; the first buckle seat can be arranged in a sliding manner relative to the sliding cover, the first buckle seat is provided with a slot, a guide groove and a sliding groove which are perpendicular to each other, the key is arranged in the sliding groove in a sliding manner and used for locking or unlocking the first buckle seat and the sliding cover, the elastic piece is arranged in the sliding groove and used for driving the key to be far away from one end of the sliding groove, two sides of the key are respectively provided with a convex buckle and a buckle, the buckle is arranged in the slot, and the convex buckle is far away from the first buckle seat; the sliding cover is convexly provided with a guide block and a plurality of locking grooves, the guide direction of the guide block is parallel to the arrangement direction of the locking grooves, the guide direction of the sliding groove is perpendicular to the guide direction of the guide block, the guide block is movably connected with the guide groove, and the buckle is detachably connected with the locking grooves;

the second buckle comprises a second buckle seat, the second buckle seat is provided with a lock cavity, and the lock cavity is detachably connected with the convex buckle;

after the key is pressed, the convex buckle and the lock cavity are released and unlocked; after the key is released, the key is driven by the elastic piece to move along the chute until the convex buckle is locked with the lock cavity;

when the key is pressed and the sliding cover is driven to move relative to the first buckle seat, the buckle breaks away from the previous locking groove and corresponds to the next locking groove; after the key is loosened, the key is driven by the elastic piece to move along the sliding groove until the buckle is clamped with the locking groove, so that the relative distance between the sliding cover and the first buckle seat is changed.

As a preferable scheme of the belt body telescopic mechanism, the guide block is provided with a limiting part and a guide part, the width of the limiting part is larger than that of the guide groove or the guide part, the guide part is positioned in the guide groove, and the limiting part is used for limiting the guide part to be separated from the guide groove.

As a preferable mode of the belt body telescopic mechanism, the first belt buckle further comprises an elastic body, wherein the elastic body is arranged in the guide groove, and the elastic body is used for driving the guide block to be far away from one end of the guide groove.

As a preferable scheme of the belt body telescopic mechanism, the groove wall of the locking groove is provided with a first guide structure, and/or the edge of the buckle is provided with a second guide structure, and the first guide structure or the second guide structure is used for guiding the buckle to move towards the next locking groove.

As a preferred embodiment of the belt body stretching mechanism, the elastic body is located at the other side of the guiding direction of the first guiding structure.

As a preferable mode of the belt body telescoping mechanism, further comprising:

the magnets are respectively arranged in the first belt buckle and the second belt buckle, and the first belt buckle and the second belt buckle are in attraction connection through the magnets when approaching.

As a preferable scheme of the belt body telescopic mechanism, the first buckle seat comprises a first seat body and a first cover body, wherein the first seat body is provided with a mounting groove, a slot, a guide groove and a sliding groove, the mounting groove is used for mounting the magnet, the first cover body is used for covering the magnet, the mounting groove and the sliding groove, and the first cover body is provided with a through groove for accommodating the convex buckle.

As a preferable scheme of the belt body telescopic mechanism, the first seat body is concavely provided with a containing groove, and the containing groove is used for containing the first cover body.

As a preferable scheme of the belt body telescopic mechanism, a positioning block is arranged at the bottom of the accommodating groove in a protruding mode and is used for being abutted to the first cover body, and the first buckle seat further comprises an adhesive layer arranged between the accommodating groove and the first cover body.

On the other hand, provide a smart watch, including table body, table grain and take body telescopic machanism, the one end of table body with take body telescopic machanism's first fastener between articulated have at least one table grain, the other end of table body with take body telescopic machanism's second fastener between articulated have at least one table grain, so that table body, table grain and take body telescopic machanism connect into the ring-type.

The beneficial effects of this application are:

the first buckle comprises a first buckle seat, a sliding cover, a key and an elastic piece, wherein a groove, a guide groove and a guide groove which are mutually perpendicular are arranged on the first buckle seat. The key is arranged in the chute in a sliding manner, the elastic piece is also arranged in the chute, the key can be driven to be far away from one end of the chute all the time by utilizing the elastic deformation capacity of the elastic piece, and the key can be reset by the elastic piece after being pressed to move along the chute. For the button, the both ends of button are provided with protruding knot and buckle respectively, and when the button moved along the spout, the buckle corresponds to set up in the fluting and follow the button and remove. The sliding cover is arranged in the guide groove in a sliding way through the guide block, and a plurality of locking grooves are formed in the sliding cover, and can be clamped with buckles of the keys, so that the relative positions of the sliding cover and the first buckle seat are locked. Because the guiding direction of the guide block is parallel to the arrangement direction of the locking groove, the guiding direction of the sliding groove is perpendicular to the guiding direction of the guide block, when the key is pressed and the sliding cover is driven to move relative to the first buckling seat, the buckle on the key is separated from the original locking groove along the guiding direction of the sliding groove until the buckle is reset by the elastic piece and approaches the locking groove to realize clamping when the buckle moves to the locking groove corresponding to the moving position of the sliding cover, so that the relative distance between the sliding cover and the first buckling seat is changed and locked.

In addition, form the second buckle through the second knot seat, set up the lock chamber on the second knot seat, protruding knot can set up in the lock chamber when pressing the button, unclamp the button then by the elastic component drive along the spout removal and reset this moment for protruding knot and the marginal joint in lock chamber, locking first buckle and second buckle. That is, the present application may achieve a locked connection of the first buckle and the second buckle through a detachable connection of the lock cavity and the male buckle.

Therefore, the belt body telescopic mechanism can lock or unlock the first belt buckle and the second belt buckle by pressing the key and aligning the convex buckle and the lock cavity. The sliding cover is driven to move relative to the first buckling seat when the key is pressed, the clamping connection of the buckle and the original locking groove can be unlocked until the sliding cover is moved to the target position, the key is released, at the moment, the buckle is clamped with the new locking groove, and the sliding cover and the second buckling seat can be locked again, so that the distance adjustment of the first buckling seat and the sliding cover is completed. When the first buckle and the second buckle are respectively connected with the watch particles to form the watchband, the telescopic adjustment of the watchband can be completed.

That is, the unlocking of the first buckle and the second buckle can be completed only by pressing the key, if the key is pressed simultaneously and the first buckle and the second buckle are driven to be far away from each other, the separation of the first buckle and the second buckle can be completed, if the key is pressed simultaneously and the sliding cover is driven to move, the relative distance between the sliding cover and the first buckle seat can be adjusted, and the operations of locking, unlocking and telescopic adjustment can be realized on the key in a collecting way, so that the problems of huge volume of the buckle and complex adjustment steps caused by different adjustment mechanisms are avoided. Moreover, compare the length that needs dismouting table grain to just can change the watchband among the prior art, the distance between the locking groove on the sliding cover of this application can be according to adjusting range adaptation, is less than the minimum length of table grain for the length of watchband can be adjusted to the thickness of user's wrist to the telescopic machanism of the area body of this application, reduces the watchband and appears too loose or too tight problem.

Drawings

The present application is described in further detail below with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of a belt body telescoping mechanism according to an embodiment of the present application.

Fig. 2 is an exploded view of a first buckle according to an embodiment of the present application.

Fig. 3 is an exploded view of a first buckle according to another embodiment of the present application.

Fig. 4 is a schematic cross-sectional view of a belt body telescoping mechanism according to an embodiment of the present application.

Fig. 5 is a schematic partial structure diagram of a smart watch according to an embodiment of the present application.

In the figure:

1. a first buckle; 11. a first buckle seat; 111. slotting; 112. a guide groove; 113. a chute; 114. a first base; 115. a first cover; 116. a mounting groove; 117. a through groove; 118. a receiving groove; 119. a positioning block; 12. a sliding cover; 121. a guide block; 122. a limit part; 123. a guide part; 124. a locking groove; 125. a first guide structure; 13. a key; 131. a convex buckle; 132. a buckle; 133. a second guide structure; 14. an elastic member; 15. an elastomer;

2. a second buckle; 21. a second buckle seat; 22. a lock cavity; 3. a magnet; 4. and (5) granulating.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present application more clear, the technical solutions of the embodiments of the present application are described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

In the description of the present application, unless explicitly stated and limited otherwise, the terms "connected," "secured" and "fixed" are to be construed broadly, as for example, they may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Currently, watches are generally attached to the watch body by a strap that is looped around the wrist of the user when worn. The watch band is generally formed by hinging the watch particles 4 in series, if the length of the watch band needs to be adjusted, the watch particles 4 can only be detached or added, but the minimum length of the watch particles 4 has a limit, otherwise, the structural strength of the watch band can be influenced. The length of the watch strap is difficult to adjust according to the thickness of the wrist of a user, and the problem that the watch strap is too loose or too tight occurs. For some watchbands, different adjustment mechanisms are required to unlock and adjust the length of the watchband, resulting in a buckle that is bulky and complicated to adjust.

In order to solve the problem that the length of the watchband in the prior art is difficult to match the thickness of the wrist of the user, as shown in fig. 1 to 4, the present embodiment provides a band body telescopic mechanism, including:

the first belt buckle 1 comprises a first buckle seat 11, a sliding cover 12, a key 13 and an elastic piece 14;

the first buckle seat 11 can slide relative to the sliding cover 12, the first buckle seat 11 is provided with a groove 111, a guide groove 112 and a sliding groove 113 which are perpendicular to each other, the key 13 is arranged in the sliding groove 113 in a sliding way and used for locking or unlocking the first buckle seat 11 and the sliding cover 12, the elastic piece 14 is arranged in the sliding groove 113 and used for driving the key 13 to be far away from one end of the sliding groove 113, the two sides of the key 13 are respectively provided with a convex buckle 131 and a buckle 132, the buckle 132 is arranged in the groove 111, and the convex buckle 131 is far away from the first buckle seat 11; the sliding cover 12 is convexly provided with a guide block 121 and a plurality of locking grooves 124, the guide direction of the guide block 121 is parallel to the arrangement direction of the locking grooves 124, the guide direction of the sliding groove 113 is perpendicular to the guide direction of the guide block 121, the guide block 121 is movably connected with the guide groove 112, and the buckle 132 is detachably connected with the locking grooves 124;

the second buckle 2 comprises a second buckle seat 21, the second buckle seat 21 is provided with a lock cavity 22, and the lock cavity 22 is detachably connected with the convex buckle 131;

after the key 13 is pressed, the convex buckle 131 and the lock cavity 22 are released and unlocked; after the key 13 is released, the key 13 is driven by the elastic piece 14 to move along the chute 113 until the convex buckle 131 is locked with the lock cavity 22;

when the key 13 is pressed and the sliding cover 12 is driven to move relative to the first buckle seat 11, the buckle 132 is separated from the previous locking groove 124 and corresponds to the next locking groove 124; after the key 13 is released, the key 13 is driven by the elastic member 14 to move along the sliding groove 113 until the buckle 132 is clamped with the locking groove 124, so as to change the relative distance between the sliding cover 12 and the first buckle seat 11.

The first buckle 1 is formed by a first buckle seat 11, a sliding cover 12, a key 13 and an elastic piece 14, wherein a groove 111, a guide groove 112 and a guide groove 113 which are mutually perpendicular are arranged on the first buckle seat 11. The key 13 is slidably arranged in the chute 113, the elastic piece 14 is also arranged in the chute 113, the key 13 can be always driven to be far away from one end of the chute 113 by utilizing the elastic deformation capability of the elastic piece 14, and the key 13 can be reset by the elastic piece 14 after the key 13 is pressed to move along the chute 113. For the key 13, two ends of the key 13 are respectively provided with a convex buckle 131 and a buckle 132, and when the key 13 moves along the chute 113, the buckle 132 is correspondingly arranged in the slot 111 and moves along with the key 13. The sliding cover 12 is slidably disposed in the guide groove 112 through the guide block 121, and the sliding cover 12 is further provided with a plurality of locking grooves 124, wherein the locking grooves 124 can be engaged with the buckles 132 of the keys 13, so as to lock the relative positions of the sliding cover 12 and the first buckle seat 11. Since the guiding direction of the guiding block 121 is parallel to the arrangement direction of the locking groove 124, the guiding direction of the sliding groove 113 is perpendicular to the guiding direction of the guiding block 121, when the key 13 is pressed and the sliding cover 12 is driven to move relative to the first buckle seat 11, the buckle 132 on the key 13 is separated from the original locking groove 124 along the guiding direction of the sliding groove 113 until the sliding cover 12 moves to the locking groove 124 corresponding to the moving position of the sliding cover 12, and is reset by the elastic member 14 to approach the locking groove 124 to achieve the clamping connection, so as to change and lock the relative distance between the sliding cover 12 and the first buckle seat 11.

In addition, the second buckle 2 is formed by the second buckle seat 21, the lock cavity 22 is arranged on the second buckle seat 21, the convex buckle 131 can be arranged in the lock cavity 22 when the key 13 is pressed, at the moment, the key 13 is driven to move along the sliding groove 113 by the elastic piece 14 to reset by releasing the key 13, so that the convex buckle 131 is clamped with the edge of the lock cavity 22, and the first buckle 1 and the second buckle 2 are locked. That is, the present application can achieve the locking connection of the first buckle 1 and the second buckle 2 by the detachable connection of the lock chamber 22 with the cam buckle 131.

Accordingly, the belt retractor of the present application can lock or unlock the first buckle 1 and the second buckle 2 by pressing the key 13 and aligning the male buckle 131 and the lock chamber 22. When the key 13 is pressed, the sliding cover 12 is driven to move relative to the first buckling seat 11, the clamping connection between the buckle 132 and the original locking groove 124 can be unlocked, the key 13 is released until the sliding cover 12 moves to the target position, at the moment, the buckle 132 is clamped with the new locking groove 124, and the sliding cover 12 and the second buckling seat 21 can be locked again, so that the distance adjustment between the first buckling seat 11 and the sliding cover 12 is completed. When the first clasp 1 and the second clasp 2 are connected to the watch piece 4 to form a watch band, the telescopic adjustment of the watch band can be completed.

That is, the unlocking of the first buckle 1 and the second buckle 2 can be completed only by pressing the key 13, if the key 13 is pressed at the same time and the first buckle 1 and the second buckle 2 are driven to be far away from each other, the separation of the first buckle 1 and the second buckle 2 can be completed, if the key 13 is pressed at the same time and the sliding cover 12 is driven to move, the relative distance between the sliding cover 12 and the first buckle seat 11 can be adjusted, and the operations of locking, unlocking and telescopic adjustment can be integrated on the key 13, so that the problems of huge volume of the buckle and complex adjustment steps caused by different adjustment mechanisms are avoided. Moreover, compare the length that needs dismouting table grain 4 just can change the watchband among the prior art, the distance between the locking groove 124 on the sliding cover 12 of this application can be according to adjusting range adaptation, is less than the minimum length of table grain 4 for this application's area body telescopic machanism can be to the thickness of user's wrist to adjust the length of watchband, reduces the watchband and appears too loose or the problem of too tight.

With respect to the preferred structure of the slide cover 12, referring to fig. 2, the guide block 121 has a limit part 122 and a guide part 123, wherein the limit part 122 has a width greater than that of the guide groove 112 or the guide part 123, and the guide part 123 is positioned in the guide groove 112 such that the guide part 123 can be restricted from being separated from the guide groove 112 by the limit part 122 when the guide block 121 slides in the guide groove 112, maintaining the structural stability of the first buckle 1. Moreover, the abutment of the limiting portion 122 with the edge of the guide groove 112 can also limit the movement of the guide block 121 relative to the guide groove 112, and further improve the movement stability of the slide cover 12.

In particular, referring to fig. 3, the first buckle 1 further includes an elastic body 15, the elastic body 15 is disposed in the guide groove 112, the elastic body 15 can drive the guide block 121 away from one end of the guide groove 112, and the elastic potential energy of the elastic body 15 can be utilized to keep the locking groove 124 of the sliding cover 12 abutting against the buckle 132. When the key 13 is pressed to release the engagement between the catch 132 and the locking groove 124, the elastic body 15 drives the guide block 121 of the sliding cover 12 to move along the guide groove 112, so as to reset the relative position between the sliding cover 12 and the first buckle seat 11. In a preferred embodiment, the elastic body 15 is a spring.

Preferably, referring to fig. 2, a first guide structure 125 is provided at a groove wall of the locking groove 124, and the movement of the catch 132 toward the next locking groove 124 may be guided by the first guide structure 125 to reduce interference when the catch 132 moves between the locking grooves 124. Alternatively, a second guide structure 133 may be provided at an edge of the catch 132, and the catch 132 may be guided to move toward the next locking groove 124 by the second guide structure 133. When the first guide structure 125 is provided at the groove wall of the locking groove 124 and the second guide structure is provided at the edge of the buckle 132 at the same time, the smoothness of the movement of the buckle 132 between the locking grooves 124 can be improved by using the mutual guidance of the first guide structure 125 and the second guide structure 133. More preferably, the first guiding structure 125 is disposed only on one side wall of the locking groove 124, and the guiding direction of the second guiding structure 133 is the same as the guiding direction of the first guiding structure 125, so that only the guiding buckle 132 can move along the guiding direction between the locking grooves 124, and if there is interference against the guiding direction, the locking of the buckle 132 and the locking groove 124 is maintained.

In another preferred embodiment, referring to fig. 2, the elastic body 15 is positioned at one side of the guiding direction of the first guiding structure 125, and the elastic force of the elastic body 15 can be used to drive the buckle 132 to move along the guiding direction of the first guiding structure 125 of the locking groove 124. When the key 13 is pressed to unlock the buckle 132 and the locking groove 124, the sliding cover 12 can be directly triggered to move relative to the first buckle seat 11, so that the adjustment efficiency can be improved.

In another preferred embodiment, the elastic body 15 is located at the other side (not shown) of the guiding direction of the first guiding structure 125, and the elastic force of the elastic body 15 can be used to drive the catch 132 to abut against the side of the locking groove 124 facing away from the first guiding structure 125, so that the catch 132 has a tendency to move against the guiding direction of the first guiding structure 125, so as to reduce the movement of the false triggering sliding cover 12.

Alternatively, referring to fig. 2, the belt body retracting mechanism of the present application further includes magnets 3 provided in the first buckle 1 and the second buckle 2, respectively, so that the first buckle 1 and the second buckle 2 can be connected by suction by the magnets 3 when they are brought close. Since the magnets 3 have the most polar points, the first buckle 1 and the second buckle 2 can be positioned by utilizing the characteristic that the magnets 3 can be automatically attracted to the most polar points, so as to improve the locking efficiency of the first buckle 1 and the second buckle 2.

With respect to the preferred structure of the first socket 11, referring to fig. 2, the first socket 11 includes a first housing 114 and a first cover 115, a mounting groove 116 and a slot 111, a guide groove 112 and a slide groove 113 are provided on the first housing 114, the magnet 3 is mounted through the mounting groove 116, and the magnet 3, the mounting groove 116 and the slide groove 113 are covered with the first cover 115, so that the magnet 3 and the key 13 can be limited and fixed in the first socket 11. In addition, the first cover 115 is provided with a through groove 117 capable of accommodating the protruding buckle 131, so that the movement between the key 13 and the first buckle seat 11 can be kept smooth, and the key 13 is prevented from being separated from the first buckle seat 11.

Similarly, the magnet 3 may be disposed in the second socket 21 (not shown in the drawings), and the specific structure of the second socket 21 is not specifically limited in this embodiment.

Further, referring to fig. 2, a receiving groove 118 is concavely formed in the first base 114, and the first cover 115 is received by the receiving groove 118, so that the thickness of the first fastening seat 11 is reduced, and the occupied volume of the telescopic mechanism can be reduced.

Still further, with continued reference to fig. 2, a positioning block 119 is provided protruding from the bottom of the accommodating groove 118, and the first cover 115 may be abutted by the positioning block 119. Meanwhile, the first fastening seat 11 further includes an adhesive layer (not shown in the figure) disposed between the accommodating groove 118 and the first cover 115, so that the first seat 114 and the first cover 115 are connected through the adhesive layer, and meanwhile, the distance between the first seat 114 and the first cover 115 is also maintained through the positioning block 119, so that the first cover 115 is prevented from sinking into the accommodating groove 118 to cause the adhesive layer to overflow to the surface of the first fastening seat 11. The positioning block 119 may also keep the surface of the first cover 115 parallel to the surface of the first base 114, so as to keep the surface of the first buckle base 11 flat.

As shown in fig. 5, the present application further provides an intelligent watch, including a watch body, a table grain 4 and a band body telescopic mechanism according to any one of the embodiments, at least one table grain 4 is hinged between one end of the watch body and a first fastener of the band body telescopic mechanism, and at least one table grain 4 is hinged between the other end of the watch body and a second fastener of the band body telescopic mechanism, so that the watch body, the table grain 4 and the band body telescopic mechanism are connected into a ring shape. That is, the first clasp 1 forms a first band with the serially hinged watch pieces 4, the second clasp 2 forms a second band with the serially hinged watch pieces 4, and a watch body is connected between the first band and the second band. The belt body telescopic mechanism in this embodiment may have the same structure and achieve the same effect as the belt body telescopic mechanism in the above embodiment, and this embodiment will not be described again.

When wearing the smart watch of this application, can be earlier with first watchband and second watchband around on the wrist, press button 13 behind counterpoint first buckle 1 and the second buckle 2 for the protruding knot 131 of button 13 gets into the lock chamber 22 of second buckle 2, loosen the protruding knot 131 and lock chamber 22 joint behind the button 13, thereby lock first watchband and second watchband. When the length of the first watchband needs to be adjusted, the sliding cover 12 of the first buckle 1 and the first buckle seat 11 are directly driven to move relatively. For example, if the sliding cover 12 and the first fastening seat 11 are required to be loosened, the sliding cover 12 and the first fastening seat 11 are driven to be separated from each other, and if the sliding cover is required to be tightened, the sliding cover is driven to be close to the first fastening seat 11. During the adjustment of the mutual movement of the sliding cover 12 and the first clasp base 11, the key 13 can be slightly pressed to reduce the friction resistance between the locking groove 124 and the cam 131, so that the cam 131 moves from the initial locking groove 124 to the previous or next locking groove 124, thereby realizing the relative movement of the sliding cover 12 and the first clasp base 11, that is, adjusting the length of the first watchband.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are merely for convenience of description and to simplify the operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The technical principles of the present application are described above in connection with specific embodiments. These descriptions are provided only for the purpose of illustrating the principles of the present application and should not be construed as limiting the scope of the present application in any way. Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification without undue burden from the present disclosure.

Claims (10)

1. A belt retractor mechanism, comprising:

the first belt buckle (1) comprises a first buckle seat (11), a sliding cover (12), a key (13) and an elastic piece (14);

the first buckle seat (11) can be arranged in a sliding manner relative to the sliding cover (12), the first buckle seat (11) is provided with a groove (111) and a guide groove (112) and a sliding groove (113) which are perpendicular to each other, the key (13) is arranged in the sliding groove (113) in a sliding manner and used for locking or unlocking the first buckle seat (11) and the sliding cover (12), the elastic piece (14) is arranged in the sliding groove (113) and used for driving the key (13) to be far away from one end of the sliding groove (113), two sides of the key (13) are respectively provided with a convex buckle (131) and a buckle (132), the buckle (132) is arranged in the groove (111), and the convex buckle (131) is away from the first buckle seat (11); the sliding cover (12) is convexly provided with a guide block (121) and a plurality of locking grooves (124), the guide direction of the guide block (121) is parallel to the arrangement direction of the locking grooves (124), the guide direction of the sliding groove (113) is perpendicular to the guide direction of the guide block (121), the guide block (121) is movably connected to the guide groove (112), and the buckle (132) is detachably connected with the locking grooves (124);

the second buckle (2) comprises a second buckle seat (21), the second buckle seat (21) is provided with a lock cavity (22), and the lock cavity (22) is detachably connected with the convex buckle (131);

after the key (13) is pressed, the convex buckle (131) and the lock cavity (22) are released and unlocked; after the key (13) is released, the key (13) is driven by the elastic piece (14) to move along the sliding groove (113) until the convex buckle (131) is locked with the lock cavity (22);

when the key (13) is pressed and the sliding cover (12) is driven to move relative to the first buckle seat (11), the buckle (132) is separated from the previous locking groove (124) and corresponds to the next locking groove (124); after the key (13) is released, the key (13) is driven by the elastic piece (14) to move along the sliding groove (113) until the buckle (132) is clamped with the locking groove (124) so as to change the relative distance between the sliding cover (12) and the first buckle seat (11).

2. The belt telescopic mechanism according to claim 1, wherein the guide block (121) has a limit portion (122) and a guide portion (123), the limit portion (122) has a width larger than that of the guide groove (112) or the guide portion (123), the guide portion (123) is located in the guide groove (112), and the limit portion (122) is used for limiting the guide portion (123) from being separated from the guide groove (112).

3. The belt extension and retraction mechanism according to claim 1, wherein the first belt buckle (1) further comprises an elastic body (15), the elastic body (15) being disposed in the guide groove (112), the elastic body (15) being configured to urge the guide block (121) away from one end of the guide groove (112).

4. A belt retractor mechanism according to claim 3, wherein the groove wall of the locking groove (124) is provided with a first guide structure (125) and/or the edge of the catch (132) is provided with a second guide structure (133), the first guide structure (125) or the second guide structure (133) being adapted to guide the catch (132) to move towards the next locking groove (124).

5. Belt extension mechanism according to claim 4, characterized in that the elastic body (15) is located on one side of the guiding direction of the first guiding structure (125).

6. The belt retractor mechanism of claim 1, further comprising:

the magnet (3) is respectively arranged in the first belt buckle (1) and the second belt buckle (2), and the first belt buckle (1) and the second belt buckle (2) are in attraction connection through the magnet (3) when being close to each other.

7. The belt telescopic mechanism according to claim 6, wherein the first buckle seat (11) comprises a first seat body (114) and a first cover body (115), a mounting groove (116) and the slot (111) are formed in the first seat body (114), the guide groove (112) and the slide groove (113), the mounting groove (116) is used for mounting the magnet (3), the first cover body (115) is used for covering the magnet (3), the mounting groove (116) and the slide groove (113), and the first cover body (115) is provided with a through groove (117) for accommodating the protruding buckle (131).

8. The belt retractor mechanism according to claim 7, wherein the first housing (114) is concavely provided with a receiving groove (118), the receiving groove (118) being for receiving the first cover (115).

9. The belt telescopic mechanism according to claim 8, wherein a positioning block (119) is arranged at the bottom of the accommodating groove (118) in a protruding manner, the positioning block (119) is used for abutting against the first cover body (115), and the first buckle seat (11) further comprises an adhesive layer arranged between the accommodating groove (118) and the first cover body (115).

10. An intelligent watch is characterized by comprising a watch body, a watch particle (4) and the belt body telescopic mechanism according to any one of claims 1 to 9, wherein at least one watch particle (4) is hinged between one end of the watch body and a first fastener of the belt body telescopic mechanism, and at least one watch particle (4) is hinged between the other end of the watch body and a second fastener of the belt body telescopic mechanism, so that the watch body, the watch particle (4) and the belt body telescopic mechanism are connected into a ring shape.

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