CN115245227A

CN115245227A - Connecting device, watchband and wearable equipment

Info

Publication number: CN115245227A
Application number: CN202210719253.9A
Authority: CN
Inventors: 袁胜蓝; 何谦; 赵梦龙; 张斌; 程天宇; 陈佳伟; 张鸣
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-10-28
Anticipated expiration: 2042-06-23
Also published as: CN115245227B

Abstract

The application relates to the technical field of wearable equipment, and discloses a connecting device, a watchband and wearable equipment. The first shell is internally provided with a first clamping groove and a second clamping groove which are opposite, the first clamping groove is provided with a first active area and a plurality of first clamping positions, and the second clamping groove is provided with a second active area and a plurality of second clamping positions. The locking device comprises a lug generating rod connected to the second shell, and two ends of the lug generating rod can be clamped with the first clamping position and the second clamping position respectively. The second casing can stretch into in the first casing, and when giving birth to the ear pole joint in the first casing, the second casing is in the lock state with first casing, and when giving birth to the ear pole and break away from the joint, the both ends of giving birth to the ear pole get into first movable region and second movable region, and first casing removes the lock state with the second casing, and the second casing can follow first direction for first casing and remove. The connecting device can be used for adjusting the length of the watchband, so that the watchband can be matched with the wrist of a user.

Description

Connecting device, watchband and wearable equipment

Technical Field

The application relates to the technical field of wearable equipment, in particular to a connecting device, a watchband and wearable equipment.

Background

When a user wears the watch, the length of the watchband is generally required to be adjusted to be matched with the wrist of the user, so that the effect of wearing comfort is achieved. At present, the watchband of some watches on the market is a structure formed by connecting a plurality of watchbands in sequence, and when the user adjusts the length of the watchband, the purpose of matching with the wrist of the user can be achieved by disassembling one or more watchbands. However, even after the partial watch grains are disassembled, the problem that the watch grains are too long or too short when being matched with the wrist of the user can also occur, and the wearing experience is further influenced.

Disclosure of Invention

The application provides a connecting device, watchband and wearable equipment can be used to finely tune the length of watchband to make the watchband can with user's the accurate adaptation of wrist, thereby improve and wear the travelling comfort.

In a first aspect, the present application may provide a connection device that may include a first housing, and a locking device. At least one of the first housing and the second housing may be used to connect structural members. The first shell is internally provided with a first cavity with an accommodating space, a first clamping groove and a second clamping groove which are oppositely arranged are arranged in the first cavity, a plurality of first clamping positions are arranged in the first clamping groove and are arranged along a first direction, and second clamping positions which correspond to the first clamping grooves one to one are arranged in the second clamping groove. The first clamping groove is internally provided with a first movable area communicated with the plurality of first clamping positions, the second clamping groove is internally provided with a second movable area communicated with the plurality of second clamping positions, and the first movable area and the second movable area extend along the first direction. The first direction is the arrangement direction of the first shell and the second shell, and one side of the first chamber facing the second shell is provided with a first opening. The locking device can comprise a raw ear rod which is connected with the second shell, and two ends of the raw ear rod can be respectively clamped with one group of the first clamping position and the second clamping position. The second shell can extend into the first cavity through the first opening, and when two ends of the ear generating rod are respectively clamped with the first clamping position and the second clamping position, the first shell and the second shell can be in a locking state. When the two ends of the ear generating rod are separated from the first clamping position and the second clamping position respectively and enter the first movable area and the second movable area, the first shell and the second shell can be unlocked, and at the moment, the second shell can also move along the first direction relative to the first shell, so that the ear generating rod is driven to move along the first direction.

The connecting device provided by the application connects the locking device to the second shell, and when the second shell enters the first shell through the first opening, the two ends of the lug generating rod can be clamped with the first clamping position and the second clamping position in one group to lock the first shell and the second shell. Because first screens is arranged along first direction, when the both ends of giving birth to the ear pole break away from first screens and second screens respectively to when entering into first active area and second active area, the second casing can be followed first direction and removed, thereby can drive give birth to the ear pole and remove along first direction, thereby make give birth to the ear pole can with another a set of first screens and second screens joint, like this, just can adjust the position relation between first casing and the second casing, thereby make the overall length of first casing and second casing change.

In some possible embodiments, the first housing may include a first sidewall, a second sidewall, a third sidewall, a first bottom plate, and a first top plate to form a first chamber having a first opening at one side. The first side wall and the second side wall are arranged oppositely, and two ends of the third side wall are connected with the first side wall and the second side wall respectively and are used for being connected with the first structural member. The first clamping groove can be arranged on the first side wall, and the second clamping groove can be arranged on the second side wall. Give birth to the ear pole and extend along the second direction to give birth to the both ends of ear pole and can follow the third direction and remove, when giving birth to the ear pole along the third direction, give birth to the ear pole and can switch between the state of the both ends of giving birth to the ear pole respectively with first screens and second screens joint and the state that the both ends of giving birth to the ear pole were located first activity district and second activity district respectively. The second direction is an arrangement direction of the second side wall and the first side wall, and the third direction is an arrangement direction of the first top plate and the first bottom plate. The locking state between the first shell and the second shell is realized by utilizing the clamping connection between the ear generating rod and the first clamping position and the second clamping position, and the locking state is simple and easy to realize.

In some possible embodiments, the second housing may include a fourth sidewall, a fifth sidewall, a second bottom plate, and a second top plate, and encloses a second chamber having an accommodating space. When the second shell is connected with the structural member, two sides of the second cavity along the first direction are respectively provided with a second opening, and the second structural member can extend into the second cavity from the second opening far away from the first structural member and is fixedly connected with the second cavity. The ear-growing rod can be positioned in the second chamber, and the fourth side wall and the fifth side wall are respectively provided with a jack, so that one end of the ear-growing rod is connected with the first clamping position after passing through the jack of the fourth side wall, and the other end of the ear-growing rod is connected with the second clamping position after passing through the jack of the fifth side wall. The ear generating rod is arranged in the second shell, and is clamped with the first clamping position and the second clamping position, so that the first shell and the second shell can be fixedly connected.

In some possible embodiments, the locking device may further include an elastic component disposed between the ear-generating rod and the second bottom plate for supporting the ear-generating rod, so that when two ends of the ear-generating rod are respectively engaged with the first engaging portion and the second engaging portion, the position of the ear-generating rod is kept fixed to fix the first housing and the second housing. And when the ear generating rod moves along the third direction, the elastic component can also play a role of buffering the ear generating rod.

In some possible embodiments, the locking device may further include a key portion, and the second top plate is provided with a key hole. The key part can be installed in the key hole relative to the second shell in a moving mode along the third direction, one side, facing the second bottom plate, of the key part is in contact with the lug generating rod, and the first top plate can be further provided with an avoiding groove used for avoiding the second top plate. Therefore, when the key part is pressed towards the second bottom plate, the lug generating rod can be driven to move towards the second bottom plate, so that the lug generating rod is separated from the clamping connection between the first clamping position and the second clamping position, and the position relation between the first shell and the second shell can be adjusted conveniently.

In some possible embodiments, the elastic member may include two springs, and the two springs may be arranged in the second direction, and each of the springs may have one end connected to the second base plate and the other end contacting the ear-generating rod. When the lug generating rod moves towards the second bottom plate, the spring is compressed and accumulated, so that the lug generating rod can be restored to the original position under the action of the spring.

In some possible embodiments, a limiting block can be further arranged on one side, facing the second bottom plate, of the live lug rod, and the limiting block can be located between the two springs to limit the springs, so that the springs are prevented from being deviated, and the reset effect on the live lug rod is influenced.

In some possible embodiments, the side of the second bottom plate facing the second top plate may further be provided with a position-limiting post, the position-limiting posts may correspond to the two springs one to one, and one end of each spring connected to the second bottom plate may be sleeved on the surface of the position-limiting post. Thus, the spring can be guided, and the spring is prevented from being deviated.

In some possible embodiments, the first side wall may be provided with a limiting surface, and the limiting surface is located between the first blocking position and the first bottom plate. Or, the second side wall can be provided with a limiting surface, and the limiting surface is positioned between the second clamping position and the second bottom plate. Or, first lateral wall and second lateral wall all can set up spacing face, like this, can restrict the travel of giving birth to the ear pole, prevent to give birth to the ear pole and move the too big travel, lead to the spring compression excessive and lose elasticity.

In a second aspect, the present application may provide a watch band including a first connecting portion, a watch band body, and a connecting device as described in any of the above embodiments. Wherein, first connecting portion set up in the both ends of watchband body to be used for connecting the dial plate. The connecting device may be disposed between the first connecting portion and the watch band body, or the connecting device may be disposed at a certain position on the watch band body. The application provides a watchband has set up the connecting device who proposes in the above-mentioned first aspect, through adjusting the position relation between first casing and the second casing among the above-mentioned connecting device to can reach the effect of adjusting watchband length, can be convenient for with user's wrist adaptation.

In a third aspect, the present application may provide a wearable device comprising a watch face and a watchband as described above in the second aspect. The two opposite ends of the dial plate are provided with second connecting parts, and the watchband can be connected with the second connecting parts through the first connecting parts, so that the watch can be connected with the dial plate. The application provides a wearable equipment, through set up the connecting device who proposes in the above-mentioned first aspect on the watchband, can be convenient for adjust the length of watchband to improve the travelling comfort of wearing.

Drawings

FIG. 1 is a schematic diagram of a wristwatch in an embodiment of the present application;

FIG. 2 is a schematic view of a construction of the band of FIG. 1;

FIG. 3 is an exploded view of the connection device of FIG. 2;

FIG. 4 is a schematic view of a construction of the raw ear stem of FIG. 3;

FIG. 5 is a cross-sectional view of the connecting device of FIG. 3;

FIG. 6 is a schematic cross-sectional view of the connecting device of FIG. 3 with the key portion depressed;

FIG. 7 is a schematic cross-sectional view of the connecting device of FIG. 3 with the key portion not depressed;

FIG. 8 is a schematic cross-sectional view of the connecting device of FIG. 7 with the key portion depressed;

fig. 9a to 9c are schematic views illustrating the process of adjusting the positions of the first housing and the second housing by the connecting device in fig. 3;

FIG. 10 is a schematic view of yet another construction of the band of FIG. 2;

fig. 11 is a schematic view of a portion of the wristband of fig. 1.

Reference numerals:

100-watchband; 110-a watchband body; 111-epibole; 112-edge bead; 120-a first connection; 200-a dial plate; 210-a second connection; 300-a connection device; 310-a first housing; 311-a first side wall; 312-a second sidewall; 313-a third sidewall; 314-a first backplane; 315-a first top panel; 3151-avoidance slots; 316-a first card slot; 3161-a first position; 317-a limiting surface; 318-a first active area; 320-a second housing; 321-a fourth sidewall; 322-a fifth side wall; 323-second top panel; 3231-key hole; 324-a second backplane; 325-jack; 330-locking means; 331-ear growing stems; 3311-an elastic portion; 3312-stop collar; 332-a resilient component; 3321-a spring; 333-key part; 334-a stop block; 335-limiting column.

Detailed Description

The terminology used in the following examples is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of this application and the appended claims, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, such as "one or more", unless the context clearly indicates otherwise.

Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.

When wearing the wrist-watch, the user usually needs to match the length adjustment of watchband to the wrist with oneself to reach and wear comfortable effect. At present, the watchband of some watches on the market is a structure formed by connecting a plurality of watchbands in sequence, and when the user adjusts the length of the watchband, the purpose of matching with the wrist of the user can be achieved by detaching one or more watchbands. However, even after part of the watch grains are disassembled, the watch band is too long or too short when matching the wrist of the user, and the wearing experience is further affected.

Based on this, this application embodiment can provide a connecting device, watchband and wearable equipment, can be used to finely tune the length of watchband for the watchband can with user's wrist accurate adaptation, thereby improve the travelling comfort of wearing. The above-described connection device, band, and wearable device will be described in detail with reference to specific embodiments.

The wearable device in this embodiment of the application may be a watch or a headset, taking the wearable device as a watch as an example, refer to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a watch in this embodiment of the application, and fig. 2 is a schematic partial structural diagram of a watchband in fig. 1. The watch can include watchband 100 and dial plate 200, and watchband 100 can include watchband body 110 and set up in the first connecting portion 120 at watchband body 110 both ends, and the relative both ends of dial plate 200 are provided with second connecting portion 210 respectively, and first connecting portion 120 can correspond with second connecting portion 210 and be connected to realize being connected of watchband 100 and dial plate 200.

The band body 110 may include a plurality of particles 111, and the plurality of particles 111 may extend along a first direction, which may also be understood as a length direction of the band body 110. Two adjacent surface grains 111 can be fixed through the edge bead 112, so that the positions of the plurality of surface grains 111 can be relatively fixed, and the stability of the structure when the device is worn can be ensured. In practical applications, the edge bead 112 may be divided into two connecting portions, one of the two connecting portions is used for fixing one of the two adjacent watch pieces 111, and the other connecting portion is used for fixing the other adjacent watch piece 111, and in addition, the watch piece 111 close to the first connecting portion 120 may be connected to the first connecting portion 120 through the edge bead 112, so that the entire watch band 100 may have a caterpillar shape.

With continued reference to fig. 2, the band is provided with a connector 300. The connector 300 can be disposed between the first connector 120 and the watch grain 111 adjacent to the first connector 120. The connection device 300 may include a first housing 310, a second housing 320, and a locking device 330, the first housing 310 and the second housing 320 may be arranged along a first direction, for example, the connection device 300 is disposed between the first connection portion 120 and the watch grain 111, the first housing 310 may be used to connect the first connection portion 120, and the second housing 320 may be used to connect the watch grain 111. At this time, the first housing 310 and the first connection part 120 may be of a unitary structure, and the first connection part 120 may be welded to a surface of the first housing 310, for example, which may facilitate product assembly. Of course, the first housing 310 and the first connecting portion 120 may also be a split structure, and the two can be detachably connected, so that the subsequent connecting device 300 can be separately detached for maintenance, and the embodiment is not limited herein. Or, the connecting device 300 may also be disposed between two adjacent watch grains 111 for adjusting the length of the entire watch band, and similarly, the connecting device 300 may be fixed on the watch grains 111 or detachably connected with the watch grains 111, which is not described herein again. It will be appreciated that when the connector 300 is disposed between the first connector 120 and the watch grain 111, the user is prevented from removing the connector 300 together when removing one or more of the watch grains 111.

Referring to fig. 2 and 3, fig. 3 is a schematic diagram of an exploded structure of the connecting device 300 of fig. 2. The first case 310 may include a first sidewall 311, a second sidewall 312, a third sidewall 313, a first bottom plate 314, and a first top plate 315, the first sidewall 311 and the second sidewall 312 may be disposed opposite to each other, both ends of the third sidewall 313 are respectively connected to the first sidewall 311 and the second sidewall 312, and the third sidewall 313 may be used to connect the first connection part 120. The first sidewall 311, the second sidewall 312, the third sidewall 313, the first bottom plate 314 and the first top plate 315 may be enclosed into a first chamber having a first opening on one side, the first opening may face the second housing 320, and the first top plate 315 may further include an escape groove 3151, so that the second housing 320 may extend into the first chamber through the first opening.

The second housing 320 may include a fourth sidewall 321, a fifth sidewall 322, a second bottom plate 324 and a second top plate 323, and is enclosed into a second chamber having second openings at two ends along the first direction. The fourth side wall 321 and the fifth side wall 322 may be arranged along a second direction, where the second direction may also be understood as a width direction of the watch band, the watch grain 111 connected to the second case 320 may extend into the second chamber from the second opening of the second case away from the first case 310, and both sides of the watch grain 111 may be connected to the fourth side wall 321 and the second side wall 312, respectively, so that the watch grain 111 may be stably connected to the second case 320, thereby ensuring a stable structure of the connection device 300 during the wearing process of the watch.

In other embodiments, openings may be provided on both sides of the watch grain 111 along the second direction, and ear-generating rods having a structure similar to that of fig. 4 may be provided. When the watch grain 111 extends into the second chamber, the two ends of the ear-generating rod can be respectively inserted through the openings, so that the two ends of the ear-generating rod are respectively abutted against the fourth sidewall 321 and the fifth sidewall 322, thereby fixing the watch grain 111 to the second housing 320. In addition, a sixth side wall may be disposed on a side of the second chamber close to the first housing 310 to cover the second opening, so that the second chamber forms a closed chamber under the cooperation of the sixth side wall and the watch grain 111, so as to limit the position of the ear-generating rod 331 in the first direction. Of course, a seventh side wall may be provided on the opposite side of the sixth side wall, such that a closed chamber is formed inside the second housing 320, and the seventh side wall may be used for connecting the watch grain 111, which may make the connection device a separate component for subsequent maintenance.

In other embodiments, two adjacent surface particles 111 are secured by an edge bead 112, as previously described. The fourth and

fifth sidewalls

321 and 322, respectively, may be formed with edge beads 112, which may also facilitate the connection between the micro-adjustment mechanism 300 and the band.

The locking device 330 may include a green ear stem 331, a resilient member 332, and a key part 333, the fourth side wall 321 and the fifth side wall 322 are respectively provided with opposite insertion holes 325, and the green ear stem 331 may be located in the second chamber and extend in the second direction. The first side wall 311 may be provided with a first card slot 316, and the second side wall 312 may also be provided with a second card slot (not shown, refer to the structure of the first card slot 316) symmetrical to the first card slot 316. The first card slot 316 is provided therein with a plurality of first detents 3161, the plurality of detents 3161 can be arranged along a first direction, the second card slot can also be provided with a plurality of second detents (not shown) arranged along the first direction, and the second detents and the first detents 3161 can be arranged in a one-to-one correspondence. After the two ends of the ear-generating rod 331 respectively pass through the two insertion holes 325, the two ends can also be respectively engaged with the two first locking portions 3161 and the second locking portions oppositely disposed inside the first casing 310, so that the first casing 310 and the second casing 320 can be relatively fixed. In addition, taking the first engaging groove 316 as an example, one end of the ear-generating rod 331 can be engaged in any one of the engaging parts 3161, so that the distance between the first connecting part 120 and the adjacent watch grain 111 can be adjusted according to the position of the ear-generating rod 331.

A limiting surface 317 for limiting the stroke of the ear bar 331 is formed at a side of the first engaging groove 316 close to the first bottom plate 314, and a first moving area 318 is formed at a position between the first engaging portion 3161 and the limiting surface 317 in the first engaging groove 316, and the first moving area 318 is continuous in the first direction and is communicated with each of the first engaging portions 3161. Similarly, the second slot is located between the second position-limiting surface and the second blocking portion to form a second active area (not shown, refer to the structure of the first active area 318), which is continuous in the first direction and is connected to each second position-limiting surface. Thus, when the two ends of the ear-generating rod 331 are disengaged from the first and

second detents

3161 and 3161, respectively, they can enter the first and second movable regions 318 and move along the first direction.

The first stopper 3161 may be semicircular in shape to facilitate fitting with the shape of the ear-growing rod 331. In addition, with reference to fig. 3 and 4, two ends of the raw ear rod 331 may be respectively provided with a step structure, such that a diameter of a middle portion of the raw ear rod 331 is larger than diameters of the two ends, and a position-limiting ring 3312 may be provided at a position with a smaller diameter, an elastic portion 3311 may be provided at a side of the position-limiting ring 3312 away from the middle portion, and a diameter of the position-limiting ring 3312 may be greater than or equal to a size of the insertion hole 325 along the first direction. Thus, when the two ends of the ear-generating rod 331 respectively pass through the insertion holes 325 on the two sides, the elastic portions 3311 on the two sides can respectively abut against the fourth side wall 321 and the fifth side wall 322, and since the elastic portions 3311 have elasticity, the ear-generating rod 331 can be buffered and fixed in the first slot and the second slot. The position-limiting ring 3312 may also limit the position of the ear-generating rod 331 so as to prevent the ear-generating rod 331 from moving in the second direction.

Referring to fig. 3, 5 and 6, fig. 5 is a schematic sectional view of the connecting device of fig. 3 when the key portion is not pressed, and fig. 6 is a schematic sectional view of the connecting device of fig. 5 when the key portion is pressed. The second top plate 323 can be provided with a key hole 3231, the key part 333 can extend into the second cavity through the key hole 3231, and a side surface of the key part 333 facing away from the second bottom plate 324 can be flush with the surface of the second top plate 323, so that the watch band is attractive as a whole, and the key part 333 cannot be touched by mistake in the process of wearing the watch. The side of the key part 333 facing the second bottom plate 324 can be fixedly connected to the ear generating rod 331, and the other end can move in a third direction relative to the second top plate 323, so as to drive the ear generating rod 331 to move in the third direction, where the third direction can be understood as the thickness direction of the watch band.

In order to facilitate the ear stem 331 to move in the third direction under the action of the button part 333, the insertion hole 325 may be a kidney-shaped hole, so as to provide a sufficient moving stroke for the ear stem 331. In some embodiments, the height of the insertion hole 325 along the third direction may be the same as the height of the first card slot 316 along the third direction, and it can also be understood that when the two ends of the ear-generating rod 331 are respectively clamped in the first clamping portion 3161 and the second clamping portion, the portion of the ear-generating rod 331 located in the insertion hole 325 is just in contact with the top of the insertion hole 325, and when the ear-generating rod 331 is pressed to be in contact with the limiting surface 317, the portion of the ear-generating rod 331 located in the insertion hole 325 is just in contact with the bottom of the insertion hole 325, so that the insertion hole 325 not only provides a sufficient pressing stroke for the ear-generating rod 331, but also can accurately limit the position of the ear-generating rod 331, and thus it is ensured that the ear-generating rod 331 moves within the set range.

Alternatively, in other embodiments, both ends of the key part 333 in the second direction are movably connected to the sidewalls of the key hole 3231 with respect to the second top plate 323. When the key part 333 is pressed downward, a side surface of the key part 333 facing the second bottom plate 324 can contact the lug generating rod 331, so that the lug generating rod 331 moves downward under the pressing of the key part 333 to be disengaged from the first stopper 3161 and the second stopper.

The elastic component 332 is disposed between the ear-generating rod 331 and the second base plate 324, and can support the ear-generating rod 331. In one embodiment, the elastic member 332 may include two springs 3321 arranged along the second direction, one end of each spring 3321 may be fixed to the second base 324, for example, the spring 3321 may be welded to the second base 324, and the other end of each spring 3321 may be a free end, which may facilitate assembly. When the key part 333 is not pressed, the spring 3321 may be in an uncompressed state, and when the key part 333 is pressed downward, the ear-generating rod 331 is also pressed downward and is in contact with the spring 3321, thereby causing the spring 3321 to be compressed and generating an elastic restoring force, and when the pressing force of the ear-generating rod 331 disappears, the elastic restoring force generated by the spring 3321 may cause the ear-generating rod 331 to be sprung up and to be restored to its original position. The two springs 3321 may be symmetrically disposed with respect to the lug 331, which may facilitate the uniform force of the two springs 3321.

In other embodiments, the elastic component 332 may also be a damping component, etc., and the embodiments of the present application are not limited herein.

In this embodiment, the position-limiting posts 335 corresponding to the two springs 3321 may be further disposed, the position-limiting posts 335 may be fixed on the second base plate 324, and one end of each spring 3321 connected to the second base plate 324 may be sleeved on the surface of the position-limiting post 335. When the spring 3321 is compressed by force or recovers elasticity, the limiting column 335 can guide the spring 3321 to prevent the spring 3321 from deviating. In addition, a limiting block 334 can be disposed on a side of the ear-generating rod 331 facing the second base plate 324, and the limiting block 334 can be located between the two springs 3321 and limit the springs 3321 to prevent the springs 3321 from deviating.

Referring to fig. 7 and 8, fig. 7 is a schematic sectional view showing a structure of the connecting device of fig. 3 when the key portion is not pressed, and fig. 8 is a schematic sectional view showing a structure of the connecting device of fig. 7 when the key portion is pressed. One end of the spring 3321 may be fixed to the second base plate 324 and the other end may be a free end. The side of the ear stem 331 facing the spring 3321 may be provided with openings corresponding to the two springs 3321, and when the key portion 333 is not compressed, the free ends of the springs 3321 may extend into the ear stem 331 through the openings, and the springs 3321 may be in an uncompressed state. When the ear generating lever 331 is moved downward by the pressing action of the button portion 333, the spring 3321 is compressed by the ear generating lever 331, and generates an elastic restoring force. When the pressing force of the ear-generating rod 331 disappears, the elastic restoring force generated by the spring 3321 causes the ear-generating rod 331 to be sprung upward and to be restored to its original position. Thus, the spring 3321 is inserted into the ear-generating rod 331, so that the spring 3321 and the ear-generating rod 331 are not displaced in the process of pressing the ear-generating rod 331, thereby ensuring the stable acting force of the spring 3321 on the ear-generating rod 331.

In addition, in this embodiment, when the key part 333 is not pressed, a side surface of the key part 333 away from the second bottom plate 324 may be higher than a surface of the second top plate 323, so that when a user needs to adjust the watch band, it is convenient to press the key part 333, thereby facilitating adjustment of the length of the watch band.

Referring to fig. 9a to 9c and fig. 10, fig. 9a to 9c are schematic views illustrating a process of adjusting positions of the first case and the second case by the connecting device in fig. 3, and fig. 10 is another schematic view illustrating a structure of the band in fig. 2. When the first housing 310 and the second housing 320 are in the locked state, two ends of the ear-generating rod 331 are respectively engaged with the first detent 3161 and the second detent closest to the first connecting portion 120, that is, the second housing cannot move relative to the first housing. When the button portion is pressed downward, the two ends of the ear generating rod 331 are respectively disengaged from the first detent 3161 and the second detent, and it can be understood that a side surface of the end of the ear generating rod 331 facing away from the first bottom plate 314 is lower than a side wall surface of the first detent 3161 facing toward the first bottom plate 314, and the two ends of the ear generating rod 331 respectively enter the first active region 318 and the second active region, at which time, the spring 3321 is in a compressed state and stores force, and the first housing 310 and the second housing 320 are unlocked. Then, the second housing 320 is moved along the first direction, so as to drive the ear-generating rod 331 to move away from the first connecting portion 120, when the ear-generating rod moves to the first locking position 3161 and the second locking position corresponding to the middle, the pressing on the key portion is cancelled, the ear-generating rod 331 can rebound under the elastic action of the spring 3321, the two ends of the ear-generating rod 331 enter the first locking position 3161 and the second locking position in the middle from the first active region 318 and the second active region respectively, and are locked with the first locking position 3161 and the second locking position, and the first housing 310 and the second housing 320 recover to the locked state. Thus, as shown in fig. 10, not only the first case 310 and the second case 320 can be locked, but also the distance between the first connecting portion 120 and the watch grain 111 can be increased, thereby adjusting the length of the watch band.

It is understood that the above process is for explaining the length of the wristband becoming larger, and when the length of the wristband needs to be made smaller, the direction of movement of the second housing 320 is reversed. In addition, it can be understood that the size of the first slot 316 along the first direction can be smaller than or equal to the size of one watch grain 111 along the first direction, so that the user can adjust the length of the watch band by detaching the watch grain 111 and also by adjusting the length of the watch band by the connecting device.

It should be noted that the connection device 300 in the embodiment of the present application can also be applied to watchbands with other structures, as shown in fig. 11, where fig. 11 is another partial structure diagram of the watchband in fig. 1. The band of fig. 11 includes only the first connecting portion 120 and the plurality of grains 111, and the plurality of grains 111 are connected in sequence to form the band. In this embodiment, two adjacent surface particles 111 may not be connected by the edge bead as described above. The connection device 300 may be disposed between the first connection portion 120 and the watch grain 111, or between two adjacent watch grains 111. It should also be understood that the connection device 300 of the present embodiment can be applied to various types of watchbands, and the present embodiment is not limited thereto.

In addition, the material of watchband can be in one of ebonite, carbon fiber, flexible glue, metal, cortex, also can understand that the connecting device in this application embodiment is applicable in the watchband of multiple material, and this application embodiment does not do the restriction. The material of the connecting device is not limited herein in the embodiments of the present application.

Compare in traditional watchband and wrist-watch, this application not only can be convenient for adjust the length of watchband through setting up connecting device for the watchband can with user's wrist adaptation, still can make connecting device and watchband shape adaptation, increase the aesthetic property of wrist-watch.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A connecting device is characterized by comprising a first shell, a second shell and a locking device;

at least one of the first shell and the second shell is used for connecting a structural member;

a first cavity with an accommodating space is formed in the first shell, a first clamping groove and a second clamping groove which are oppositely arranged are arranged in the first cavity, the first clamping groove is provided with a plurality of first clamping positions which are arranged along the first direction, the second clamping groove is provided with a plurality of second clamping positions which are arranged along the first direction, and the first clamping positions and the second clamping positions are in one-to-one correspondence; the first card slot is internally provided with a first active area extending along the first direction, and the first active area is communicated with the plurality of first screens; a second active area extending along the first direction is arranged in the second card slot, and the second active areas are communicated with the plurality of second cards; one side of the first chamber facing the second shell is provided with a first opening, and the first direction is the arrangement direction of the first shell and the second shell;

the locking device comprises a lug generating rod which is connected to the second shell, and two ends of the lug generating rod can be respectively clamped with one group of the first clamping positions and the second clamping positions;

the second shell can extend into the first cavity through the first opening, and when two ends of the lug generating rod are respectively clamped with the first clamping position and the second clamping position, the second shell and the first shell are in a locking state; when the two ends of the ear generating rod are respectively separated from the first clamping position and the second clamping position, and the two ends of the ear generating rod are respectively positioned in the first movable area and the second movable area, the first shell and the second shell are unlocked, and the second shell can move along the first direction relative to the first shell.

2. The connecting device according to claim 1, wherein the first housing includes a first side wall, a second side wall, a third side wall, a first bottom plate, and a first top plate, the first side wall and the second side wall being disposed opposite to each other, the first side wall, the second side wall, the third side wall, the first bottom plate, and the first top plate enclosing the first chamber having the first opening;

the first clamping groove is formed in the first side wall, and the second clamping groove is formed in the second side wall;

the ear generating rod extends along the second direction, the ear generating rod can move along the third direction relative to the second shell, and when the ear generating rod moves along the third direction, the ear generating rod can be switched between a state that two ends of the ear generating rod are respectively clamped with the first clamping position and the second clamping position and a state that two ends of the ear generating rod are respectively positioned in the first moving area and the second moving area;

the second direction is an arrangement direction of the second side wall and the first side wall, and the third direction is an arrangement direction of the first top plate and the first bottom plate.

3. The connecting device according to claim 2, wherein the second housing is connected to the structural member, the second housing includes a fourth side wall, a fifth side wall, a second bottom plate and a second top plate, the fourth side wall and the fifth side wall are arranged along the second direction, the fourth side wall, the fifth side wall, the second bottom plate and the second top plate enclose a second chamber having a receiving space, two opposite sides of the second chamber along the first direction respectively have a second opening, and the structural member can extend into the second chamber from the second chamber away from the second opening of the first housing and is fixedly connected to the second chamber;

the fourth lateral wall with the fifth lateral wall is equipped with the jack respectively, it is located to give birth to the ear pole in the second cavity, just the one end of giving birth to the ear pole passes behind the jack of fourth lateral wall with first screens joint, the other end of giving birth to the ear pole passes behind the jack of fifth lateral wall with second screens joint.

4. The connection device of claim 3, wherein the locking device further comprises a key portion;

the second top plate is provided with a key hole, the key part can be movably arranged in the key hole along the third direction relative to the second shell, and one side of the key part facing the second bottom plate is contacted with the lug generating rod;

the first top plate is provided with an avoiding groove for avoiding the second top plate.

5. The connecting device according to claim 3 or 4, wherein the locking device further comprises a resilient assembly, the resilient assembly being located within the second chamber, the resilient assembly being disposed between the second base plate and the ear-generating stem, the resilient assembly being configured to support the ear-generating stem.

6. The connecting device as claimed in claim 5, wherein the elastic member comprises two springs, the two springs are arranged along the second direction, and each of the springs has one end connected to the second base plate and the other end contacting the ear-generating rod.

7. The connecting device according to claim 6, wherein the locking device further comprises a stopper connecting a side of the lug rod facing the second base plate, and the stopper is located between the two springs.

8. The connecting device according to claim 6 or 7, wherein one side of the second bottom plate facing the second top plate is provided with a limiting post corresponding to the two springs one to one, and one end of each spring connected with the second bottom plate is sleeved on the limiting post.

9. The connecting device according to any one of claims 2 to 8, wherein the first side wall is provided with a limiting surface, the limiting surface is positioned between the first active region and the first bottom plate, the second side wall is provided with a limiting surface, and the limiting surface is positioned between the second active region and the first bottom plate.

10. A watch band comprising a first connecting portion, a band body and a connecting device according to any one of claims 1 to 9;

the first connecting parts are arranged at two ends of the watchband body and are used for connecting a dial plate;

the connecting device is arranged between the first connecting part and the watchband body, or the connecting device is arranged in the watchband body.

11. A wearable device, characterized by comprising a dial and a wristband according to claim 10, the dial being provided at opposite ends with second connecting portions, the wristband being connected to the second connecting portions by the first connecting portions.