CN116211032A - Wearable device - Google Patents

Abstract

The invention discloses wearable equipment, which comprises an equipment main body, a first connecting belt, a locking mechanism and a retraction accommodating device, wherein the retraction accommodating device is arranged in the equipment main body, a first end of the first connecting belt is connected with the retraction accommodating device, a second end of the first connecting belt is provided with a first state and a second state, the retraction accommodating device drives the first connecting belt to retract into the retraction accommodating device under the first state, and the second end of the first connecting belt is separated from the equipment main body; the second end of the first connecting strap is in the second state, the first connecting strap is pulled out from the retraction accommodating device to a first length, and the second end of the first connecting strap is connected with the equipment main body through the locking mechanism, so that the length of the first connecting strap between the retraction accommodating device and the locking mechanism is kept at the first length.

Description

Wearable device

Technical Field

The invention relates to the technical field of wearable equipment, in particular to wearable equipment.

Background

With the rapid development of technology, the wearable device is gradually developed from the initial simple function to a plurality of functions such as photographing, video recording, surfing, game playing and the like, so that the wearable device is more and more favored by people.

The wearable equipment is realized adopting the connecting band when wearing in the realization usually, has different length demands to the connecting band when wearing wearable equipment in order to aiming at different users, and the related art adopts the connecting band that has gear engagement formula structure, adjusts the length of connecting band through rotating the gear. However, in the case where the wearable device needs to be worn for a long time, the connection strap of the wearable device in the related art cannot be adjusted adaptively after the length adjustment is completed, so that the problem of loose and shake of the wearable device is easily caused.

Disclosure of Invention

The invention discloses a wearable device, which aims to solve the problem that the wearable device in the related art is easy to loose and shake under the condition of wearing for a long time.

In order to solve the technical problems, the invention is realized as follows:

the application discloses a wearable device, which comprises a device main body, a first connecting belt, a locking mechanism and a retraction storage device, wherein the retraction storage device is arranged on the device main body, a first end of the first connecting belt is connected with the retraction storage device, a second end of the first connecting belt is provided with a first state and a second state,

the retraction accommodating device drives the first connecting belt to retract into the retraction accommodating device when the second end of the first connecting belt is in the first state, and the second end of the first connecting belt is separated from the equipment main body;

the second end of the first connecting strap is in the second state, the first connecting strap is pulled out from the retraction accommodating device to a first length, and the second end of the first connecting strap is connected with the equipment main body through the locking mechanism, so that the length of the first connecting strap between the retraction accommodating device and the locking mechanism is kept at the first length.

The technical scheme adopted by the invention can achieve the following technical effects:

the wearable equipment disclosed by the embodiment of the application is characterized in that the retraction storage device is arranged on the equipment main body, the first end of the first connecting belt is connected with the retraction storage device, so that the retraction storage device can drive the first connecting belt to retract into the retraction storage device without wearing the wearable equipment, the second end of the first connecting belt is separated from the equipment main body, and the storage of the first connecting belt can be realized, so that the structure of the wearable equipment is more compact. Under the condition that the wearable equipment is worn, according to the requirement of no user, the first connecting band can be pulled out to a first length from the retraction storage device, and the second end of the first connecting band is connected with the equipment main body through the locking mechanism, so that the length of the first connecting band between the retraction storage device and the locking mechanism is kept at the first length, and wearing of the wearable equipment is realized. Because after wearing, the retraction accommodating device still can have the elastic retraction force for driving the first connecting belt to retract into the retraction accommodating device, even if the first length changes in the wearing process, the retraction accommodating device drives the first connecting belt to retract into the retraction accommodating device, the elastic retraction force for driving the first connecting belt to retract into the retraction accommodating device can not disappear, the elastic retraction force for driving the first connecting belt to retract into the retraction accommodating device can drive the first connecting belt to be better attached to a user, and therefore the situation that the wearable equipment is worn for a long time can be avoided from loosening and shaking.

Drawings

Fig. 1 is a schematic structural diagram of a wearable device according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a wearable device disclosed in an embodiment of the present invention;

FIG. 3 is a schematic diagram illustrating a connection between a first connecting band and a first connecting member according to an embodiment of the present invention;

FIG. 4 is a partially exploded schematic illustration of a wearable device disclosed in an embodiment of the present invention;

fig. 5 is a partial schematic view of a wearable device disclosed in an embodiment of the present invention;

FIG. 6 is a schematic view of a first locking mechanism in an unlocked state according to an embodiment of the present invention;

FIG. 7 is a schematic view of a first locking mechanism according to an embodiment of the present invention in a locked state;

FIG. 8 is a schematic view of a second locking mechanism according to an embodiment of the present invention in a locked state;

fig. 9 is an exploded view of the locking mechanism.

Reference numerals illustrate:

100-equipment main body,

200-a first connecting band,

300-retraction housing, 310-first housing, 312-second stop, 311 a-opening, 320-spindle, 330-wrap spring, 340-wrap spring adjustment assembly, 341-second housing, 350-first baffle, 360-second baffle,

620-arc hole,

800-locking mechanism, 810-locking body, 811-lock housing, 812-second connector, 813-second spring, 813 a-tension spring, 813 b-tension spring, 814-push rod, 815-stationary shaft, 820-first connector, 830-locking protrusion, 840-locking recess, 850-guide surface, 860-second connector band.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The technical scheme disclosed by each embodiment of the invention is described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 9, the present application discloses a wearable device, which may be smart glasses, smart bracelets, etc. The disclosed wearable device includes a device body 100, a first connection strap 200, a locking mechanism 800, and a retraction receiving means 300.

The device body 100 provides a mounting base for other components of the wearable device, and the retraction receiving apparatus 300 is provided to the device body 100. The first connection strap 200 may be used for wearing of the wearable device, the first end of the first connection strap 200 being connected with the retraction receiving means 300. The retraction housing device 300 is a device capable of applying an elastic retraction force to the first end of the first connection strap 200, and the retraction housing device 300 can drive the first connection strap 200 to retract into the retraction housing device 300. The second end of the first connecting band 200 has a first state and a second state.

In the first state, the retraction receiving device 300 drives the first connection strap 200 to retract into the retraction receiving device 300, and the second end of the first connection strap 200 is separated from the apparatus body. In the second state of the second end of the first connection strap 200, the first connection strap 200 is pulled out from the retraction housing 300 to a first length, and the second end of the first connection strap 200 is connected to the apparatus main body 100 through the locking mechanism 800 such that the length of the first connection strap 200 between the retraction housing 300 and the locking mechanism 800 is maintained at the first length.

It should be noted that, when the wearable device is worn by different users, the first length of the first connection strap 200 pulled out of the retraction receiving device 300 is different for different users, for example, the first length required by the user a may be 20cm, and the first length required by the user B may be 23cm.

The wearable device disclosed in the embodiment of the application is provided with the device main body 100 by arranging the retraction storage device 300 on the device main body 100, and the first end of the first connecting band 200 is connected with the retraction storage device 300, so that the retraction storage device 300 can drive the first connecting band 200 to retract into the retraction storage device 300 without wearing the wearable device, and the second end of the first connecting band 200 is separated from the device main body, thereby the storage of the first connecting band 200 can be realized, and the wearable device is more compact in structure. In the case of wearing the wearable device, the first connection strap 200 may be pulled out from the retraction receiving device 300 to a first length according to no user's demand, and the second end of the first connection strap 200 is connected to the device body 100 through the locking mechanism 800, so that the length of the first connection strap 200 between the retraction receiving device 300 and the locking mechanism 800 is maintained at the first length, thereby enabling wearing of the wearable device. Because after wearing, the retraction storage device 300 still has an elastic retraction force for driving the first connection strap 200 to retract into the retraction storage device 300 to the first connection strap 200, even if the first length changes in the wearing process, the elastic retraction force of driving the first connection strap 200 to retract into the retraction storage device 300 by the retraction storage device 300 cannot disappear, and the elastic retraction force for driving the first connection strap 200 to retract into the retraction storage device 300 can drive the first connection strap 200 to be better attached to a user, so that the wearable equipment can be prevented from loosening and shaking under the condition of wearing for a long time.

Specifically, the retraction housing 300 may include a first housing 310, a spring, a gear set, and a rotating shaft 320, where the spring may be connected between the first housing 310 and the gear set, and the rotating shaft 320 may be fixedly connected to the gear set and rotationally disposed on the first housing 310. The springs are connected to gears of a gear set having a large number of teeth and to a position offset from the center of the gears, and gears of a gear set having a small number of teeth are connected to the rotation shaft 320. In the process that the first connection belt 200 is pulled out of the first housing 310, the rotation shaft 320 may drive the gears with small teeth to rotate for a plurality of circles, and the gears with large teeth rotate for a half circle, at this time, the spring is stretched, and when the first connection belt 200 needs to be retracted into the first housing 310, the spring may drive the gears with large teeth to rotate for a half circle, so that the gears with large teeth drive the gears with small teeth to rotate for a plurality of circles, and the gears with small teeth drive the rotation shaft 320 to rotate, so that the first connection belt 200 is wound around the rotation shaft 320.

In an alternative embodiment, the retraction receiving apparatus 300 may include a first housing 310, a rotation shaft 320, and a coil spring 330, the first housing 310 may be connected to the apparatus body 100, at least a portion of the rotation shaft 320 may be rotatably provided in the first housing 310, the first housing 310 may have an opening 311a, a first end of the first connection strap 200 may be positioned in the first housing 310 and connected to the rotation shaft 320, and the coil spring 330 may be connected between the first housing 310 and the rotation shaft 320. In the first state where the second end of the first connection strap 200 is in the first state, the coil spring 330 may drive the rotation shaft 320 to rotate in the first direction so that the first connection strap 200 is wound around the rotation shaft 320. When the second end of the first connection strap 200 is in the second state, the first connection strap 200 may drive the rotation shaft 320 to rotate along the second direction, so that the second end of the first connection strap 200 extends out of the first housing 310 through the opening 311a by a first length, and the coil spring 330 is driven to wind by the rotation shaft 320, so that the coil spring 330 stores the elastic retraction force. Wherein the first direction and the second direction are opposite.

The wearable device disclosed in this embodiment sets the retraction housing device 300 to a structure including the first housing 310, the rotating shaft 320 and the coil spring 330, so that the first connecting band 200 drives the rotating shaft 320 to rotate along the second direction, so that the second end of the first connecting band 200 passes through the opening 311a and stretches out of the first housing 310 by the first length, the rotating shaft 320 can drive the coil spring 330 to wind, so that the coil spring 330 stores elastic retraction force, the elastic retraction force stored by the coil spring 330 can drive the first connecting band 200 to be better attached to a user, and when the first connecting band 200 needs to wind on the rotating shaft 320, the second end of the first connecting band 200 is separated from the device body, and the coil spring 330 can drive the rotating shaft 320 to rotate along the first direction, so that the first connecting band 200 winds on the rotating shaft 320, thereby realizing automatic recovery of the retraction housing device 300 to the first connecting band 200.

In order to facilitate the adjustment of tightness by the user after wearing the wearable device, optionally, the retraction housing apparatus 300 may further include a coil spring adjustment assembly 340, the coil spring adjustment assembly 340 may be disposed on the first housing 310, a first end of the coil spring 330 may be connected to the coil spring adjustment assembly 340, a second end of the coil spring 330 may be connected to the rotation shaft 320, and the coil spring adjustment assembly 340 may adjust a relative position of the first end of the coil spring 330 with respect to the first housing 310 to adjust an amount of deformation of the coil spring 330.

The wearable device disclosed by the embodiment of the application is provided with the coil spring adjusting assembly 340, so that the coil spring adjusting assembly 340 can adjust the relative position of the first end of the coil spring 330 relative to the first shell 310 to adjust the deformation of the coil spring 330, thereby adjusting the elastic retractile force of the coil spring 330 output to the first connecting belt 200 after the wearable device is worn, adjusting the tightness of the wearable device, and adapting to the requirements of different users on tightness better.

Specifically, the coil spring adjusting assembly 340 may include a clamping shaft, the first housing 310 may be provided with a plurality of clamping grooves, the first end of the coil spring 330 may be connected with the clamping shaft, the clamping shaft may move along the first housing 310 to drive the second end of the coil spring 330 to move, and the clamping shaft may cooperate with any clamping groove of the plurality of clamping grooves to limit the movement of the clamping shaft. By arranging the clamping shaft and opening the clamping groove, the deformation amount of the coil spring 330 can be adjusted, and the matching mode of the clamping shaft and the clamping groove is relatively simple.

In an alternative embodiment, the coil spring adjusting assembly 340 may include a second housing 341 and a first limiting portion, the first housing 310 may include a second limiting portion 312, the second housing 341 and the first housing 310 may be rotatably connected by a rotation shaft 320, and both ends of the rotation shaft 320 may be rotatably disposed in the first housing 310 and the second housing 341, respectively. The coil spring 330 may be disposed in the second housing 341, and a first end of the coil spring 330 may be connected to the second housing 341, where the second housing 341 may be driven to be stationary relative to the first housing 310 by a spacing fit of the first spacing portion and the second spacing portion 312 during rotation of the second housing 341 relative to the first housing 310.

The wearable device disclosed in the embodiment of the present application, by setting the coil spring adjusting assembly 340 to a structure including the second housing 341 and the first limiting portion, the coil spring 330 may be disposed in the second housing 341, so as to realize the cavity-separating arrangement of the coil spring 330 and the first connection strap 200, and avoid the coil spring 330 from winding with the first connection strap 200; in the process that the second casing 341 rotates relative to the first casing 310, the second casing 341 can drive one end, connected with the second casing 341, of the coil spring 330 to rotate, so that the deformation amount of the coil spring 330 is adjusted, the first limiting part and the second limiting part 312 are in limiting fit to drive the second casing 341 to be static relative to the first casing 310, and therefore after the deformation amount of the coil spring 330 is adjusted, namely, when the second casing 341 and the first casing 310 are not adjusted by external force, automatic locking of the second casing 341 relative to the first casing 310 can be achieved.

Optionally, the first limiting portion may include one of an elastic protrusion and a limiting recess, the second limiting portion 312 may include the other one of the elastic protrusion and the limiting recess, and the elastic protrusion and the limiting recess may be respectively disposed on the corresponding first housing 310 or the second housing 341, and in a process that the second housing 341 rotates relative to the first housing 310, the elastic protrusion and the limiting recess are in a limiting fit, so that the second housing 341 may be driven to be stationary relative to the first housing 310. It should be noted that, the fact that the second housing 341 is driven to be stationary relative to the first housing 310 by the cooperation of the elastic protrusion and the limiting recess means that the second housing 341 can be driven to be stationary relative to the first housing 310 without external force.

The wearable device disclosed in the embodiment of the application sets up to include one of elastic bulge and spacing sunken through first spacing portion, and second spacing portion 312 sets up to including the other of elastic bulge and spacing sunken for it is simpler to order about second casing 341 for the stationary mode of first casing 310 through elastic bulge and spacing sunken cooperation, and occupation space is less moreover, is favorable to the compactification of wearable device.

Further, the first housing 310 or the second housing 341 may be provided with an arc hole 620 or an arc recess, and a region between two adjacent arc holes 620 or arc recesses may be provided with an elastic protrusion or a limiting recess. By arranging the arc holes 620 or the arc depressions in the first housing 310 or the second housing 341, the elastic protrusions or the limiting depressions can be arranged in the areas between the two adjacent arc holes 620 or arc depressions, so that the elastic protrusions can be deformed into the arc holes 620 or arc depressions when being extruded, and the elastic protrusions can be protected.

Specifically, the number of the elastic protrusions and the limit recesses may be plural, and the elastic protrusions and the limit recesses may be distributed around the rotation shaft 320, and in the process of rotating the second housing 341 relative to the first housing 310, the elastic protrusions and the limit recesses are in one-to-one corresponding limit fit. By arranging the elastic protrusions and the limit recesses in a plurality, the elastic protrusions and the limit recesses are in one-to-one limit fit, so that the second housing 341 can be kept in a stationary state more stably relative to the first housing 310 without external force on the second housing 341 and the first housing 310.

Of course, in other embodiments, one of the first and second limiting portions 312 may include a buckle, and the other may include a plurality of engaging portions that may be engaged with the buckle, and the second housing 341 may be driven to be stationary relative to the first housing 310 through the engagement of the buckle with the engaging portions. Of course, the first and second limiting portions 312 may be other forms, which will not be described herein.

In an alternative embodiment, the retraction receiving device 300 may further include a first baffle 350 and a second baffle 360, each of the first baffle 350 and the second baffle 360 may be disposed in the first housing 310 and each connected to the rotation shaft 320, and the first connection band 200 may be wound around a portion of the rotation shaft 320 between the first baffle 350 and the second baffle 360.

The wearable device disclosed in the embodiment of the application sets up to including the structure of first baffle 350 and second baffle 360 through will retracting storage device 300 for first baffle 350 and second baffle 360 all can locate in the first casing 310, and all link to each other with pivot 320, thereby make first connecting band 200 can wind the part that lies in between first baffle 350 and the second baffle 360 in pivot 320, so that first baffle 350 and second baffle 360 can carry out spacingly when the coiling to first connecting band 200, avoid first connecting band 200 to make the problem of first connecting band 200 winding at the axis direction transition drunkenness of pivot 320.

In an alternative embodiment, the wearable device may further include a locking mechanism 800, the locking mechanism 800 may include a locking body 810 and a first connector 820, the second end of the first connector band 200 may be connected to the first connector 820, the locking body 810 may be connected to the device body 100, and the first connector 820 may be detachably connected to the locking body 810 in a locked state of the locking mechanism 800. The first connector 820 may be separable from the locking body 810 when the locking mechanism 800 is in the unlocked state.

The wearable device disclosed in the embodiment of the application is provided with the locking mechanism 800, so that the first connector 820 can be detachably connected with the locking body 810 when the locking mechanism 800 is in the locking state, and the first connector 820 can be separated from the locking body 810 when the locking mechanism 800 is in the unlocking state, so that the wearable device is convenient to wear.

Specifically, the locking body 810 may include a lock housing 811 and a second coupling member 812, the lock housing 811 may be coupled with the apparatus main body 100, the second coupling member 812 may be rotatably provided in the lock housing 811, one of the first coupling member 820 and the second coupling member 812 may be provided with a locking protrusion 830, and the other one is provided with a locking recess 840. The locking protrusion 830 and the locking recess 840 are separated with the rotation of the second coupling member 812 in the second direction, so that the first coupling member 820 can be separated from the locking body 810. The locking protrusion 830 and the locking recess 840 may be engaged with the rotation of the second coupling member 812 in the third direction, so that the first coupling member 820 may be detachably coupled with the locking body 810.

The wearable device disclosed in the embodiment of the present application rotationally locates the second connecting piece 812 on the lock housing 811, so that the second connecting piece 812 can rotate along the second direction or the third direction relative to the lock housing 811, so that the first connecting piece 820 is separated from the locking body 810, or the first connecting piece 820 is detachably connected with the locking body 810. The engagement of the locking protrusion 830 with the locking recess 840 allows the first and second connectors 820 and 812 to be relatively simple in structure and stable in engagement.

Alternatively, the first connector 820 or the second connector 812 may be provided with a guide surface 850, and the locking body 810 may further include a second elastic member 813. The first link 820 may extend into the lock housing 811 and the guide surface 850 may be in guide engagement with either the first link 820 or the second link 812 to drive the second link 812 to rotate in the second direction until the locking protrusion 830 is opposite the locking recess. In the case that the locking protrusion 830 is opposite to the locking recess, the second elastic member 813 may drive the second connection member 812 to rotate in a third direction so that the locking protrusion 830 is detachably coupled to the locking recess.

The wearable device disclosed in this embodiment of the present application sets up the guide surface 850 for in first connecting piece 820 stretches to lock housing 811, and guide surface 850 can with first connecting piece 820 or second connecting piece 812 direction cooperation, thereby can drive second connecting piece 812 along the second direction rotation, until locking protruding 830 is relative with the locking sunken, and then under the circumstances that locking protruding 830 is relative with the locking sunken, second elastic member 813 can drive second connecting piece 812 along the third direction rotation, so that locking protruding 830 can dismantle with the locking sunken and link to each other, thereby can realize the automatic lock of first connecting piece 820 and second connecting piece 812.

In the case of the engagement of the first coupling member 820 and the second coupling member 812, in order to separate the first coupling member 820 from the second coupling member 812, the second coupling member 812 may be driven to rotate in the second direction by a driving motor, a memory alloy, or the like. For convenience of manipulation by a user, the locking body 810 may optionally further include a push rod 814, the lock housing 811 may be provided with a first through hole, a first end of the push rod 814 may extend out of the lock housing 811 through the first through hole, a second end of the push rod 814 may be located inside the lock housing 811 opposite to or in contact with a partial region of the second connection piece 812, and the push rod 814 may be capable of driving the second connection piece 812 to rotate in a second direction when pushed.

The wearable device disclosed in the embodiment of the present application is provided with the push rod 814, so that the push rod 814 can drive the second connecting piece 812 to rotate along the second direction under the condition of being pushed, so that the first connecting piece 820 is separated from the locking body 810, and thus the user can conveniently control.

In order to make the structure of the locking body 810 more compact, optionally, the lock housing 811 may be provided with a fixed shaft 815, the second connecting member 812 may be provided with a second through hole, and the second connecting member 812 may be sleeved on the fixed shaft 815 through the second through hole, so that the second connecting member 812 is rotationally connected with the lock housing 811, and the second elastic member 813 may be a torsion spring, which may be sleeved on the fixed shaft 815 and be connected with the fixed shaft 815 and an inner wall of the second through hole, respectively.

The wearable device disclosed by the embodiment of the application sets the second elastic piece 813 into the torsion spring, so that the torsion spring can be sleeved on the fixed shaft 815 and is connected with the inner wall of the fixed shaft 815 and the second through hole respectively, and therefore the space occupied by the second elastic piece 813 is small.

In an alternative embodiment, the second elastic member 813 may include a tension elastic member 813a and a push elastic member 813b, the tension elastic member 813a may be connected between the lock housing 811 and the second connection member 812, and the push elastic member 813b may be connected between the lock housing 811 and the second connection member 812. In the case that the locking protrusion 830 is opposite to the locking recess, the tension elastic member 813a and the push elastic member 813b may jointly drive the second coupling member 812 to rotate in the third direction so that the locking protrusion 830 may be detachably coupled to the locking recess. The connection of the tension elastic member 813a and the second connection member 812, the connection of the push elastic member 813b and the second connection member 812, and the rotational connection of the second connection member 812 form three-point connection, so that the second connection member 812 can be fixed, and the second connection member 812 is driven to rotate in the third direction by the tension elastic member 813a and the push elastic member 813b together, so that the connection of the locking protrusion 830 and the locking recess can be more stable.

Alternatively, the locking mechanism 800 may further include two second connecting straps 860, the retraction device 300 may be two, the first end of the first connecting strap 200 may be connected to one of the two retraction devices 300, the first end of the second connecting strap 860 may be connected to the other retraction device 300, the second end of the second connecting strap 860 may be connected to the locking body 810, and the retraction device 300 connected to the second connecting strap 860 may be used to drive the second connecting strap 860 to retract to the corresponding retraction device.

The wearable device disclosed in the embodiment of the application is more convenient when the wearable device is worn through the first connecting band 200 and the second connecting band 860 by arranging the second connecting band 860, so that when the first connecting piece 820 is separated from the locking body 810, the first connecting band 200 and the second connecting band 860 can be retracted into the corresponding retraction containing device 300 respectively, and accordingly sounding winding of the first connecting band 200 and the second connecting band 860 can be avoided.

The foregoing embodiments of the present invention mainly describe differences between the embodiments, and as long as there is no contradiction between different optimization features of the embodiments, the embodiments may be combined to form a better embodiment, and in view of brevity of line text, no further description is provided herein.

The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.

Claims (15)

1. The wearable device is characterized by comprising a device main body, a first connecting belt, a locking mechanism and a retraction accommodating device, wherein the retraction accommodating device is arranged on the device main body, a first end of the first connecting belt is connected with the retraction accommodating device, a second end of the first connecting belt is provided with a first state and a second state,

the retraction accommodating device drives the first connecting belt to retract into the retraction accommodating device when the second end of the first connecting belt is in the first state, and the second end of the first connecting belt is separated from the equipment main body;

the second end of the first connecting strap is in the second state, the first connecting strap is pulled out from the retraction accommodating device to a first length, and the second end of the first connecting strap is connected with the equipment main body through the locking mechanism, so that the length of the first connecting strap between the retraction accommodating device and the locking mechanism is kept at the first length.

2. The wearable device of claim 1, wherein the retraction housing includes a first housing, a shaft, and a coil spring, the first housing being coupled to the device body, at least a portion of the shaft being rotatably disposed within the first housing, the first housing having an opening, a first end of the first connection strap being located within the first housing and coupled to the shaft, the coil spring being coupled between the first housing and the shaft;

the coil spring drives the rotating shaft to rotate along a first direction under the condition that the second end of the first connecting belt is in the first state, so that the first connecting belt is wound on the rotating shaft;

when the second end of the first connecting belt is in the second state, the first connecting belt drives the rotating shaft to rotate along a second direction, so that the second end of the first connecting belt penetrates through the opening to extend out of the first shell by the first length, and the first direction is opposite to the second direction.

3. The wearable device of claim 2, wherein the retraction housing further comprises a coil spring adjustment assembly disposed on the first housing, a first end of the coil spring coupled to the coil spring adjustment assembly, a second end of the coil spring coupled to the spindle, the coil spring adjustment assembly being operable to adjust a relative position of the first end of the coil spring with respect to the first housing to adjust the amount of deflection of the coil spring.

4. The wearable device according to claim 3, wherein the coil spring adjusting assembly comprises a second housing and a first limiting portion, the first housing comprises a second limiting portion, the second housing and the first housing are rotatably connected through the rotating shaft, two ends of the rotating shaft are rotatably arranged in the first housing and the second housing in a penetrating mode respectively, the coil spring is arranged in the second housing, a first end of the coil spring is connected with the second housing, and in the process that the second housing rotates relative to the first housing, the first limiting portion and the second limiting portion are in limiting fit, so that the second housing can be driven to be stationary relative to the first housing.

5. The wearable device according to claim 4, wherein the first limiting portion includes one of an elastic protrusion and a limiting recess, the second limiting portion includes the other of the elastic protrusion and the limiting recess, the elastic protrusion and the limiting recess are respectively provided on the corresponding first housing or the second housing, and during rotation of the second housing relative to the first housing, the elastic protrusion and the limiting recess are in limiting fit, so as to drive the second housing to be stationary relative to the first housing.

6. The wearable device according to claim 5, wherein the first housing or the second housing is provided with an arc-shaped hole or an arc-shaped recess, and a region between two adjacent arc-shaped holes or arc-shaped recesses is provided with the elastic protrusion or the limit recess.

7. The wearable device according to claim 5, wherein the elastic protrusions and the limit recesses are multiple and distributed around the rotation shaft, and the elastic protrusions and the limit recesses are in one-to-one limit fit in the process of rotating the second housing relative to the first housing.

8. The wearable device of claim 2, wherein the retraction housing further comprises a first baffle and a second baffle, the first baffle and the second baffle both disposed within the first housing and both connected to the shaft, the first connecting strap being windable around a portion of the shaft between the first baffle and the second baffle.

9. The wearable device according to any one of claims 1 to 8, wherein the locking mechanism comprises a locking body and a first connector, the second end of the first connector being connected to the first connector, the locking body being connected to the device body, the first connector being detachably connected to the locking body in a locked state of the locking mechanism; the first connector is separable from the locking body when the locking mechanism is in an unlocked state.

10. The wearable device according to claim 9, wherein the locking body comprises a lock housing and a second connecting piece, the lock housing is connected with the device main body, the second connecting piece is rotatably arranged in the lock housing, one of the first connecting piece and the second connecting piece is provided with a locking protrusion, and the other one is provided with a locking recess;

the locking protrusion and the locking recess are separable along with the rotation of the second connecting piece along a third direction so as to separate the first connecting piece from the locking body;

the locking protrusion and the locking recess can be buckled along with the rotation of the second connecting piece along the fourth direction, so that the first connecting piece is detachably connected with the locking body.

11. The wearable device according to claim 10, wherein the first or second connector is provided with a guiding surface, the locking body further comprises a second elastic member,

the first connecting piece can extend into the lock shell, and the guide surface is in guide fit with the first connecting piece or the second connecting piece so as to drive the second connecting piece to rotate along the third direction until the locking protrusion is opposite to the locking recess;

and under the condition that the locking protrusion is opposite to the locking recess, the second elastic piece can drive the second connecting piece to rotate along the fourth direction, so that the locking protrusion is detachably connected with the locking recess.

12. The wearable device according to claim 11, wherein the locking body further comprises a push rod, the lock housing is provided with a first through hole, a first end of the push rod passes through the first through hole and extends out of the lock housing, a second end of the push rod is located in the lock housing and is opposite to or in contact with a partial area of the second connecting piece, and the push rod can drive the second connecting piece to rotate along the third direction when pushed.

13. The wearable device according to claim 11, wherein the lock housing is provided with a fixed shaft, the second connecting piece is provided with a second through hole, the second connecting piece is sleeved on the fixed shaft through the second through hole, so that the second connecting piece is rotationally connected with the lock housing, the second elastic piece is a torsion spring, and the torsion spring is sleeved on the fixed shaft and is respectively connected with the fixed shaft and the inner wall of the second through hole.

14. The wearable device of claim 11, wherein the second elastic member comprises a tension elastic member and a push elastic member, the tension elastic member being connected between the lock housing and the second connection member, the push elastic member being connected between the lock housing and the second connection member;

under the condition that the locking protrusion is opposite to the locking recess, the tension elastic piece and the thrust elastic piece can jointly drive the second connecting piece to rotate along the fourth direction, so that the locking protrusion is detachably connected with the locking recess.

15. The wearable apparatus of claim 9, wherein the locking mechanism further comprises a second connecting strap, the retraction receiving means is two, a first end of the first connecting strap is connected to one of the two retraction receiving means, a first end of the second connecting strap is connected to the other retraction receiving means, a second end of the second connecting strap is connected to the locking body, and the retraction receiving means connected to the second connecting strap is configured to urge the second connecting strap to retract into the retraction receiving means.

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