Tension adjustment device, connecting strap assembly and wearable device

Abstract

This application discloses a tension adjustment device, a connecting strap assembly, and a wearable device, belonging to the field of wearable device technology. The tension adjustment device is used to adjust the wearing length of a first connecting strap and a second connecting strap of the wearable device. It includes a fixing base, a locking member, a fastening member, and an operating member. The fixing base is used to connect to the first and second connecting straps and is slidably engaged with at least one of the first and second connecting straps. The locking member is movably disposed on the fixing base and is used to engage with the first connecting strap, thereby fixing the first connecting strap, the second connecting strap, and the fixing base relatively. The fastening member is connected to the locking member and is used to lock the locking member, thereby engaging the locking member with the first connecting strap. The operating member is movably disposed on the fixing base. When the operating member is in a first position, the fastening member locks the locking member; when the operating member is in a second position, the fastening member unlocks the locking member.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of wearable devices, and particularly relates to a tightness adjusting device, a connecting band assembly and a wearable device. BACKGROUND

[0002] With the development of technology and the improvement of use demand, wearable devices are more and more accepted by consumers, such as smart watches, which provide great convenience for people's daily communication and health management.

[0003] At present, wearable devices on the market generally have some health monitoring functions, such as heart rate and blood oxygen detection, blood pressure detection. These monitoring functions all require the wearable device to be in a good wearing state, and the connecting band of the wearable device cannot be too loose or too tight, and too loose or too tight can both cause the test error to increase. Specifically, taking the blood pressure detection function as an example, the wearable devices with blood pressure detection function at present generally use the oscillometric method (oscillation method) to collect human blood pressure data, which uses the connecting band as an air bag, and the fluctuation of human blood pressure will cause the change of air pressure in the air bag, so as to be detected by the sensor in the wearable device. However, the tightness of the connecting band worn has a great influence on the blood pressure measurement of the detection site, thereby causing inaccurate test. Only when the connecting band is well fitted with the arm without obvious constraint, accurate blood pressure data can be measured. Therefore, it is required that the connecting band of the wearable device can accurately adjust the tightness when worn, so as to ensure that the connecting band and the arm can be accurately fitted without constraint, neither too loose nor too tight, so as to meet the accuracy requirements of blood pressure, heart rate and blood oxygen detection.

[0004] The traditional way to adjust the tightness of the connecting band is to realize the tightness adjustment by inserting and cooperating the needle buckle or the tongue buckle with the small holes at different positions on the connecting band. However, by using this way, the tightness can only be adjusted in stages according to the positions of the small holes when adjusting the tightness, and thus the tightness cannot be accurately adjusted, and moreover, when the wearable device is worn and the tightness needs to be adjusted again, the needle buckle or the tongue buckle needs to be taken out of the small hole and then inserted into other small hole, which is complicated and inconvenient to adjust.

[0005] Therefore, the existing wearable device has the defects of poor tightness adjustment accuracy and complicated adjustment operation. SUMMARY

[0006] The purpose of the embodiments of the present application is to provide a tightness adjusting device, a connecting band and a wearable device, which can solve the problem of poor tightness adjustment accuracy and complicated adjustment operation of the wearable device in the related art.

[0007] In a first aspect, the embodiments of the present application provide a tightness adjusting device for adjusting the wearing length of a first connecting band and a second connecting band of a wearable device, comprising:

[0008] A fixing seat is used to connect with the first connecting belt and the second connecting belt, and the fixing seat is used to slide with at least one of the first connecting belt and the second connecting belt;

[0009] A locking element is movably disposed on the fixing base, and the locking element is used to engage with the first connecting strap so that the first connecting strap, the second connecting strap, and the fixing base are relatively fixed.

[0010] A locking member is connected to the latching member, and the locking member is used to lock the latching member so that the latching member engages with the first connecting band;

[0011] An operating component is movably mounted on the fixed base. When the operating component is in a first position, the locking component locks the latch; when the operating component is in a second position, the locking component unlocks the latch.

[0012] Secondly, this application also provides a connecting belt assembly, including a first connecting belt, a second connecting belt, and the aforementioned tension adjustment device. Both the first connecting belt and the second connecting belt are connected to the fixing seat of the tension adjustment device, and at least one of the first connecting belt and the second connecting belt is slidably engaged with the fixing seat. The locking member of the tension adjustment device can engage with the first connecting belt to fix the first connecting belt, the second connecting belt, and the fixing seat relative to each other.

[0013] Thirdly, embodiments of this application also provide a wearable device, including a device body and the aforementioned connecting strap assembly, wherein the second end of the first connecting strap is connected to the first end of the device body, and the second end of the second connecting strap is connected to the second end of the device body.

[0014] In this embodiment, the locking member can be unlocked by moving the operating component, thus releasing the locking member from the latch and allowing the latch to separate from the first connecting strap. This allows the first and second connecting straps to move relative to each other, enabling adjustment of the length of the first and / or second connecting straps extending relative to the fixed base. In this way, the user can infinitely adjust the wearing length of the first and second connecting straps according to the actual thickness of their arm, thereby precisely adjusting the tightness of the connecting straps of the wearable device. Furthermore, the purpose of adjusting the tightness of the connecting straps can be achieved simply by moving the operating component, making the operation simple and convenient. Attached Figure Description

[0015] Figure 1 This is a perspective view of the connecting strip assembly disclosed in the embodiments of this application;

[0016] Figure 2This is one of the cross-sectional views of the connecting strip assembly disclosed in one embodiment of this application (when the clip is engaged with the first connecting strip);

[0017] Figure 3 This is a second cross-sectional view of the connecting strip assembly disclosed in one embodiment of this application (when the card is separated from the first connecting strip);

[0018] Figure 4 This is a third cross-sectional view of the connecting strip assembly disclosed in one embodiment of this application (when the clip is engaged with the first connecting strip).

[0019] Figure 5 This is a fourth cross-sectional view of the connecting strip assembly disclosed in one embodiment of this application (when the card is separated from the first connecting strip);

[0020] Figure 6 This is a diagram showing the positional relationship between the card and the operating component according to one embodiment of this application;

[0021] Figure 7 This is a perspective view of an operating component disclosed in one embodiment of this application;

[0022] Figure 8 This is a diagram showing the positional relationship between the first magnetic component, the second magnetic component, and the card component, as disclosed in one embodiment of this application.

[0023] Figure 9 This is one of the cross-sectional views of the connecting strip assembly disclosed in another embodiment of this application (when the clip is engaged with the first connecting strip);

[0024] Figure 10 This is a second cross-sectional view of the connecting strip assembly disclosed in another embodiment of this application (when the card is separated from the first connecting strip);

[0025] Figure 11 This is a third cross-sectional view of the connecting strip assembly disclosed in another embodiment of this application (when the clip is engaged with the first connecting strip);

[0026] Figure 12 This is a fourth cross-sectional view of the connecting strip assembly disclosed in another embodiment of this application (when the card is separated from the first connecting strip);

[0027] Figure 13 This is one of the perspective views of the connecting strip assembly disclosed in another embodiment of this application (with the fixing seat hidden and the clip engaged with the first connecting strip);

[0028] Figure 14 This is a second perspective view of the connecting strap assembly disclosed in another embodiment of this application (with the fixing seat hidden and the clip separated from the first connecting strap);

[0029] Figure 15 This is a perspective view of the operating component disclosed in another embodiment of this application.

[0030] Explanation of reference numerals in the attached figures:

[0031] 100 - First connecting belt; 110 - Toothed groove; 200 - Second connecting belt; 300 - Tension adjustment device;

[0032] 310-Fixed base; 311-Channel; 320-Clamping element; 321-Rotating plate; 322-Clamping part;

[0033] 330 - Locking element; 331 - First magnetic element; 332 - Second magnetic element; 333 - Elastic element;

[0034] 340 - Operating component; 341 - Isolation section; 342 - Guide groove; 343 - Drive inclined surface; 350 - Third magnetic component;

[0035] 360-Reset driver. Detailed Implementation

[0036] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0037] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0038] The following description, in conjunction with the accompanying drawings, details the tension adjustment device, connecting strap assembly, and wearable device provided in this application through specific embodiments and application scenarios.

[0039] refer to Figures 1-15 The present application provides a tension adjustment device 300, which can be used to adjust the wearing length of the first connecting strap 100 and the second connecting strap 200 of the connecting strap assembly, thereby achieving the purpose of adjusting the tightness of the wearable device.

[0040] The tension adjustment device 300 may include a fixing seat 310, which can be used to connect with the first connecting belt 100 and the second connecting belt 200, and the fixing seat 310 can be used to slide with at least one of the first connecting belt 100 and the second connecting belt 200. For example, in one mode, the fixing seat 310 is slidably connected to the first connecting belt 100 and fixedly connected to the second connecting belt 200; in another mode, both the first connecting belt 100 and the second connecting belt 200 are slidably connected to the fixing seat 310.

[0041] The tension adjustment device 300 may further include a locking member 320 and a fastening member 330. The locking member 320 is movably mounted on the fixed base 310 and can be engaged with the first connecting belt 100 to fix the first connecting belt 100, the second connecting belt 200, and the fixed base 310 relative to each other, thereby ensuring that the tension of the connecting belt assembly meets the required requirements. The fastening member 330 can be connected to the locking member 320 and can be used to lock the locking member 320 so that the locking member 320 is engaged with the first connecting belt 100. This keeps the locking member 320 engaged with the first connecting belt 100, thereby preventing the first connecting belt 100 from moving under force and ensuring that the tension of the connecting belt assembly remains at the required level.

[0042] The tension adjustment device 300 may also include an operating member 340, which is movably mounted on the fixed base 310. When the operating member 340 is in the first position, the locking member 330 can lock the latch 320 so that the latch 320 is engaged with the first connecting belt 100. When the operating member 340 is in the second position, the locking member 330 can unlock the latch 320 so that the latch 320 is no longer engaged with the first connecting belt 100.

[0043] Specifically, the user can apply force to the operating member 340, causing it to move to the second position. During this movement, the operating member 340 can move the locking member 330, unlocking it and thus disengaging the locking member 320. This allows the locking member 320 to separate from the first connecting strap 100. At this point, the first connecting strap 100 can move relative to the fixed base 310 and the second connecting strap 200. The user can adjust the length of the first connecting strap 100 extending relative to the fixed base 310 to adjust the tightness of the connecting strap assembly, thereby improving user experience. Once the wearing length of the first connecting strap 100 and the second connecting strap 200 meets the requirements, the user can release the operating member 340, moving it to the first position. This causes the locking member 330 to lock the locking member 320, engaging the locking member 320 with the first connecting strap 100, thus maintaining the wearing length of the first connecting strap 100 and the second connecting strap 200 at the desired length.

[0044] With this configuration, moving the operating element 340 to the second position unlocks the locking element 330, preventing it from locking the latch 320. This allows the latch 320 to separate from the first connecting strap 100, enabling relative movement between the first connecting strap 100 and the second connecting strap 200. This allows adjustment of the length of the first connecting strap 100 and / or the second connecting strap 200 extending relative to the fixing base 310. Users can steplessly adjust the wearing length of the first connecting strap 100 or the second connecting strap 200 according to the actual thickness of their arm, thus precisely adjusting the tightness of the connecting straps of the wearable device. Furthermore, adjusting the tightness of the connecting straps can be achieved simply by moving the operating element 340, making the operation simple and convenient.

[0045] Optionally, the fixed base 310 may also be provided with a slide groove, the operating member 340 is movably disposed in the slide groove, and part of the operating member 340 may extend out of the fixed base 310 for user operation.

[0046] In one optional embodiment of this application, the locking member 330 may include a first magnetic member 331 and a second magnetic member 332. The first magnetic member 331 may be disposed on the operating member 340, and the second magnetic member 332 may be disposed on the locking member 320. The first magnetic member 331 and the second magnetic member 332 can magnetically engage to lock the locking member 320. The magnetic engagement of the first magnetic member 331 and the second magnetic member 332 can lock the locking member 320, keeping the locking member 320 in a locked state with the first connecting band 100, thereby preventing the first connecting band 100 from moving under force.

[0047] Here, the method of locking the clip 320 by magnetic cooperation of the first magnetic component 331 and the second magnetic component 332 has the advantages over the method of locking the clip 320 by spring as described below. Firstly, the first magnetic component 331 and the second magnetic component 332 are less affected by the external environment, have better reliability, and are more likely to keep the clip 320 in the locked state. Furthermore, the first magnetic component 331 and the second magnetic component 332 are less prone to wear and deformation, thus having a longer service life than springs. Secondly, it occupies less space and can be conveniently installed on the clip 320 and the operating component 340.

[0048] In other embodiments, the locking member 330 can be a spring, and the two ends of the spring can be connected to the operating member 340 and the locking member 320 respectively. When the spring is not deformed, the locking member 320 can be engaged with the first connecting band 100. When the spring is deformed, the locking member 320 is separated from the first connecting band 100. Specifically, the moving operating member 340 can compress or stretch the spring, causing the spring to deform and no longer lock the locking member 320, so that the locking member 320 can be separated from the first connecting band 100.

[0049] In an optional embodiment, the operating member 340 may also be provided with a third magnetic member 350. Along the moving direction of the operating member 340, the first magnetic member 331 and the third magnetic member 350 may be spaced apart, and the third magnetic member 350 and the second magnetic member 332 may magnetically engage to unlock the card 320. In this way, compared with simply moving the first magnetic member 331 away from the second magnetic member 332, it is easier to unlock the card 320, thereby facilitating the separation of the card 320 from the first connecting strip 100 and keeping the card 320 in the separated state. Furthermore, the engagement and disengagement of the card 320 from the first connecting strip 100 can be achieved simply by moving the operating member 340, making the operation convenient.

[0050] Here, the magnetism of the end of the first magnetic element 331 facing the second magnetic element 332 and the magnetism of the end of the third magnetic element 350 facing the second magnetic element 332 can be opposite.

[0051] In other embodiments, the third magnetic element 350 may not be provided on the operating member 340. Specifically, by moving the operating member 340, the first magnetic element 331 is moved away from the second magnetic element 332, thereby preventing the first magnetic element 331 and the second magnetic element 332 from locking the locking member 320, thus preventing the locking member 320 from remaining in the locked state.

[0052] Optionally, the operating member 340 may also be provided with an isolation portion 341, located between the first magnetic member 331 and the second magnetic member 332, to isolate the first magnetic member 331 and the third magnetic member 350. Thus, when the first magnetic member 331 and the second magnetic member 332 are magnetically engaged, the isolation portion 341 can reduce the interference of the third magnetic member 350 on the second magnetic member 332; and when the third magnetic member 350 and the second magnetic member 332 are magnetically engaged, the isolation portion 341 can also reduce the interference of the third magnetic member 350 on the second magnetic member 332. Here, the isolation portion 341 can be a silicon steel block.

[0053] It should be noted that, as mentioned above, the first magnetic element 331 and the third magnetic element 350 can be separately configured. Alternatively, they can be integrated into a single unit. Specifically, a long magnet can be used to replace the first magnetic element 331 and the third magnetic element 350. The length direction of this long magnet can be the same as the moving direction of the operating member 340, and the first end of the long magnet can magnetically engage with the second magnetic element 332. That is, the polarity of the first end of the long magnet and the end of the second magnetic element 332 near the operating member 340 can be opposite. The second end of the long magnet can be magnetically repelled by the second magnetic element 332. That is, the polarity of the second end of the long magnet and the end of the second magnetic element 332 near the operating member 340 can be the same. Thus, when the operating member 340 is in the first position, the first end of the long magnet and the second magnetic element 332 are magnetically attracted to lock the latch 320, thereby engaging the latch 320 with the first connecting band 100. When the operating member 340 is in the second position, the second end of the long magnet and the second magnetic element 332 are magnetically repelled to unlock the latch 320, thereby disengaging the latch 320 from the first connecting band 100. Here, the polarity of the end of the second magnetic element 332 near the operating member 340 can be N pole, the polarity of the first end of the long magnet can be S pole, and the polarity of the second end of the long magnet can be N pole.

[0054] In one alternative embodiment, such as Figures 2-5 As shown, the locking element 320 can be rotatably connected to the fixed base 310, and the locking element 320 can rotate between a first rotational position and a second rotational position. When the locking element 320 is in the first rotational position, it engages with the first connecting band 100; when the locking element 320 is in the second rotational position, it disengages from the first connecting band 100. Specifically, when the operating member 340 moves the first magnetic element 331 to a position opposite to the second magnetic element 332, the magnetic interaction between the first and second magnetic elements 331 and 332 allows the locking element 320 to rotate to and remain in the first rotational position. When the operating member 340 moves the third magnetic element 350 to a position opposite to the second magnetic element 332, the magnetic interaction between the third and second magnetic elements 350 allows the locking element 320 to rotate to and remain in the second rotational position.

[0055] Optionally, the locking element 320 may include a rotating plate 321 and a locking portion 322. The rotating plate 321 can be rotatably connected to the fixed base 310 via a rotating shaft, so that the locking element 320 is rotatably mounted on the fixed base 310. The locking portion 322 can be connected to the rotating plate 321 and can be used to engage with the first connecting band 100. The second magnetic element 332 can be disposed on the rotating plate 321. Here, the way in which the locking element 320 is rotatably mounted on the fixed base 310 occupies less space than the way in which the locking element 320 is movably mounted on the fixed base 310, which is conducive to the miniaturization of the tension adjustment device 300.

[0056] With the locking part 322 and the second magnetic element 332 located on opposite sides of the rotating shaft, the first magnetic element 331 and the second magnetic element 332 can magnetically attract each other to lock the locking member 320, thereby keeping the locking member 320 in a locked state with the first connecting band 100. This arrangement makes it easier to balance the force on the locking member 320, which facilitates the rotation of the locking member 320 and helps to extend the service life of the locking member 320.

[0057] With the locking part 322 and the second magnetic element 332 both located on the same side of the rotating shaft, the first magnetic element 331 and the second magnetic element 332 can magnetically repel each other to lock the locking member 320, thereby keeping the locking member 320 and the first connecting strip 100 in a locked state. This arrangement helps to reduce the space occupied by the locking member 320.

[0058] In other embodiments, the card 320 is movably disposed on the fixed base 310. When the first magnetic element 331 and the second magnetic element 332 are opposite, the card 320 can move toward the first connecting band 100 and engage with the first connecting band 100; when the third magnetic element 350 is opposite to the second magnetic element 332, the card 320 can move away from the first connecting band 100 and separate from the first connecting band 100.

[0059] Optionally, the fixed base 310 may also be provided with a receiving groove, and the locking member 320 is rotatably disposed in the receiving groove. Specifically, the rotating plate 321 of the locking member 320 can be connected to the groove wall of the receiving groove via a rotating shaft, and the receiving groove can communicate with the channel 311. The locking part 322 of the locking member 320 can extend into the channel 311 and engage with the first connecting band 100. Here, the receiving groove can also communicate with the sliding groove so that the first magnetic member 331 and the third magnetic member 350 on the operating member 340 can magnetically engage with the second magnetic member 332, respectively.

[0060] In an optional embodiment, the operating member 340 is retractably mounted on the fixed base 310. By pressing the operating member 340, the first magnetic member 331 can be moved away from the second magnetic member 332, and the third magnetic member 350 can be moved to a position opposite to the second magnetic member 332. At this time, the third magnetic member 350 and the second magnetic member 332 can repel each other. In this state, the clip 320 is separated from the first connecting strap 100 and no longer plays a fixing role on the first connecting strap 100. As a result, the first connecting strap 100 can move freely to adjust the tightness of the connecting strap assembly. When the pressing of the operating member 340 is stopped, the reset driving member 360 described later can drive the operating member 340 to reset. The operating member 340 drives the third magnetic member 350 away from the second magnetic member 332, and the first magnetic member 331 moves to a position opposite to the second magnetic member 332. At this time, the first magnetic member 331 and the second magnetic member 332 can attract each other. In this state, the locking member 320 is engaged with the first connecting band 100 and the locking member 320 is stably held in the engaged state.

[0061] In another embodiment of this application, such as Figures 9-14 As shown, the locking element 320 is movably mounted on the fixed base 310. The locking element 320 can move between a first moving position and a second moving position. When the locking element 320 is in the first moving position, it can engage with the first connecting strap 100. When the locking element 320 is in the second moving position, it can disengage from the first connecting strap 100. Furthermore, in the moving direction of the operating member 340, the locking element 320 can engage with the operating member 340 to drive the locking element 320 to move. This design is simple and easy to install.

[0062] When the operating member 340 is in the first position, the locking member 330 locks the locking member 320 in the first moving position so that the locking member 320 is kept engaged with the first connecting band 100.

[0063] When the operating member 340 is in the second position, the operating member 340 drives the card 320 to move to the second moving position and unlocks the locking member 330, so that the locking member 330 no longer locks the card 320.

[0064] In other embodiments, the card 320 is rotatably mounted on the base 310.

[0065] In an optional embodiment, the operating member 340 may be provided with a guide groove 342, and a portion of the locking member 320 may be located within the guide groove 342. The guide groove 342 and the locking member 320 can slide together in the moving direction of the operating member 340. In this way, the guide groove 342 can guide and limit the locking member 320, ensuring that the locking member 320 does not deviate during movement.

[0066] Of course, the guide groove 342 may not be provided on the operating member 340, and the end of the operating member 340 may contact the card 320. Moving the operating member 340 can push the card 320 to move.

[0067] Optionally, at least one of the card 320 and the operating member 340 may be provided with a driving ramp 343. The operating member 340 can push the card 320 to move through the driving ramp 343. At this time, the moving direction of the operating member 340 can intersect with the moving direction of the card 320, or even be perpendicular to it. In this way, under the action of the driving ramp 343, the card 320 can move more easily from the first moving position to the second moving position. Here, both the card 320 and the operating member 340 can be provided with driving inclined surfaces 343. When the operating member 340 moves, the driving inclined surfaces 343 of the card 320 and the operating member 340 can be in contact. In this way, when the operating member 340 pushes the card 320 to move, the contact between the driving inclined surfaces 343 of the card 320 and the operating member 340 can achieve surface-to-surface contact, which not only facilitates the movement of the card 320, but also reduces the stress between the card 320 and the operating member 340, thereby helping to extend the service life of the card 320 and the operating member 340.

[0068] Of course, neither the card 320 nor the operating member 340 may be provided with a driving ramp 343. Specifically, the operating member 340 can directly contact the card 320 and push the card 320 to move. At this time, the moving direction of the operating member 340 can be parallel to the moving direction of the card 320.

[0069] In one embodiment, when the operating member 340 moves along a first direction, it can push the card member 320 to move via the driving ramp 343. Here, in the first direction, the distance between the driving ramp 343 and the first connecting strip 100 can gradually decrease. It should be noted that the driving ramp 343 is located on the first side of the card member 320. Thus, when the operating member 340 moves along the first direction, the driving ramp 343 can contact the card member 320, and the card member 320 can move along the driving ramp 343 in a direction away from the first connecting strip 100, thereby achieving the separation of the card member 320 from the first connecting strip 100. In another embodiment, when the operating member 340 moves along a second direction (which can be the opposite of the first direction), the operating member 340 can push the locking member 320 to move via the driving inclined surface 343. Here, in the second direction, the distance between the driving inclined surface 343 and the first connecting strip 100 can gradually decrease. It should be noted that the driving inclined surface 343 is located on the second side of the locking member 320, and the first side and the second side of the locking member 320 are opposite sides in the moving direction of the operating member 340. Thus, when the operating member 340 moves along the second direction, the driving inclined surface 343 can contact the locking member 320, and the locking member 320 can move along the driving inclined surface 343 in a direction away from the first connecting strip 100, thereby achieving separation of the locking member 320 from the first connecting strip 100. Optionally, the operating member 340 is retractably mounted on the fixed base 310, where the first direction can be the retraction direction of the operating member 340, and the second direction can be the extension direction of the operating member 340.

[0070] In an optional embodiment, the locking member 330 may include an elastic member 333, the two ends of which may be connected to the fixing base 310 and the locking member 320 respectively, and the elastic member 333 may be used to drive the locking member 320 to engage with the first connecting band 100. In this way, the locking member 320 can engage with the first connecting band 100 under the thrust of the elastic member 333 and remain in the engaged state.

[0071] Here, the method of using the elastic element 333 to keep the card 320 in the latched state is simpler in structure, easier to implement, and lower in cost than the method of keeping the card 320 in the latched state by using the first magnetic element 331 and the second magnetic element 332.

[0072] Of course, the locking member 330 may include the first magnetic member 331 and the second magnetic member 332 mentioned above, and the locking member 320 is kept in the locked state by the magnetic cooperation of the first magnetic member 331 and the second magnetic member 332.

[0073] Optionally, when the locking member 320 is rotatably connected to the fixed base 310, one end of the elastic member 333 can be connected to the rotating plate 321, and the elastic member 333 and the locking part 322 are both located on the same side of the rotating shaft. The elastic member 333 can push the rotating plate 321 to rotate to the first rotation position so that the locking part 322 can engage with the first connecting belt 100. Furthermore, the operating member 340 can drive the elastic member 333 to compress and deform so that the elastic member 333 no longer locks the locking member 320, thereby allowing the locking member 320 to rotate to the second rotation position and separate from the first connecting belt 100.

[0074] When the locking member 320 is movably connected to the fixed base 310, one end of the elastic member 333 can be connected to the end of the locking member 320 away from the first connecting band 100. Under the elastic force of the elastic member 333, the locking member 320 can lock the first connecting band 100 and remain stably in the locked state. When the operating member 340 pushes the locking member 320 to move through the driving inclined surface 343, the locking member 320 compresses the elastic member 333. At this time, the locking member 320 no longer locks the first connecting band 100. When the operating member 340 resets, the elastic member 333 restores its deformation and pushes the locking member 320 to lock the first connecting band 100.

[0075] Alternatively, the locking member 330 may include at least two elastic members 333, with each end of the elastic member 333 connected to the fixed base 310 and the locking member 320 respectively. This facilitates the quick engagement of the locking member 320 with the first connecting band 100.

[0076] In an optional embodiment, the tension adjustment device 300 may further include a reset drive 360. The two ends of the reset drive 360 ​​can be connected to the fixed base 310 and the operating member 340 respectively, and the reset drive 360 ​​can be used to drive the operating member 340 to reset. Thus, when the external force on the operating member 340 disappears, the operating member 340 can quickly and automatically reset, allowing the locking member 330 to lock the latch 320 again, thereby allowing the latch 320 to continue engaging with the first connecting band 100, achieving relative fixation of the first connecting band 100 and the second connecting band 200; and facilitating user operation again.

[0077] In other embodiments, the tension adjustment device 300 may also exclude the reset drive 360, where the user can manually reset the operating element 340.

[0078] Alternatively, the reset drive 360 ​​can be a spring, which makes the structure of the reset drive 360 ​​simple and the cost low.

[0079] Alternatively, the tension adjustment device 300 may include at least two reset drive members 360, the two ends of each reset drive member 360 may be connected to the fixed base 310 and the operating member 340 respectively, which facilitates the rapid reset of the operating member 340.

[0080] In this embodiment, the tension adjustment device 300 may include two reset drive members 360. The two reset drive members 360 may be evenly distributed in the width direction of the first connecting belt 100, which helps to ensure that the operating member 340 is subjected to balanced force.

[0081] Here, with the operating member 340 provided with a guide groove 342, the two reset driving members 360 can be located on both sides of the guide groove 342 in the width direction.

[0082] Based on the tension adjustment device 300 provided in the embodiments of this application, the embodiments of this application also provide a connecting belt assembly. The connecting belt assembly may include a first connecting belt 100, a second connecting belt 200, and the tension adjustment device 300 described in any of the above embodiments. The first connecting belt 100 and the second connecting belt 200 can both be connected to the fixing seat 310 of the tension adjustment device 300, and at least one of the first connecting belt 100 and the second connecting belt 200 can slide in cooperation with the fixing seat 310. The locking member 320 of the tension adjustment device 300 can be engaged with the first connecting belt 100 to fix the first connecting belt 100, the second connecting belt 200, and the fixing seat 310 relatively.

[0083] The beneficial effects achieved by the connecting belt assembly provided in this application embodiment are consistent with the beneficial effects achieved by the tension adjustment device 300 provided in this application embodiment, so they will not be repeated here.

[0084] In one embodiment, both the first connecting strip 100 and the second connecting strip 200 are slidably connected to the fixed base 310.

[0085] Specifically, the fixing base 310 may be provided with a channel 311. The first end of the first connecting strap 100 can pass through the channel 311 from the first end of the channel 311, and the first end of the second connecting strap 200 can pass through the channel 311 from the second end of the channel 311. Along the direction from the locking member 320 to the first connecting strap 100, the first connecting strap 100 and the second connecting strap 200 can be stacked within the channel 311. When the locking member 320 is engaged with the first connecting strap 100, the first connecting strap 100 and the second connecting strap 200 abut against each other. In this way, both the first connecting strap 100 and the second connecting strap 200 are threaded through the channel 311. When it is necessary to adjust the tension of the connecting strap assembly, the tension can be adjusted by adjusting the extension length of either the first connecting strap 100 or the second connecting strap 200. Furthermore, the tension can be infinitely adjusted by adjusting the extension length of the second connecting strap 200.

[0086] In another configuration, the fixing seat 310 is slidably connected to the first connecting band 100, and the fixing seat 310 is fixedly connected to the second connecting band 200. Specifically, the first end of the first connecting band 100 can pass through the channel 311 from the first end of the channel 311, and the first end of the second connecting band 200 can be connected to one end of the fixing seat 310. When the clip 320 is engaged with the first connecting band 100, the first connecting band 100 abuts against the fixing seat 310 or the second connecting band 200, thereby achieving relative fixation between the first connecting band 100 and the second connecting band 200.

[0087] Here, the first connecting belt 100 may be provided with multiple toothed grooves 110, which may be distributed along the length of the first connecting belt 100. The locking piece 320 may engage with the toothed grooves 110 to achieve the engagement of the locking piece 320 with the first connecting belt 100.

[0088] Optionally, the aforementioned channel 311 can be a through hole penetrating the fixing seat 310, meaning the fixing seat 310 can cover the periphery of the stacked first connecting strip 100 and second connecting strip 200, or the fixing seat 310 can only cover the periphery of the first connecting strip 100. Of course, the aforementioned channel 311 may not be a through hole; the channel 311 can be a through groove, meaning the fixing seat 310 can be a U-shaped structure, and the fixing seat 310 may not cover at least one of the first connecting strip 100 and the second connecting strip 200.

[0089] Based on the connecting strap assembly provided in the embodiments of this application, the embodiments of this application also provide a wearable device. The wearable device may include a device body and the connecting strap assembly described in any of the above embodiments. The second end of the first connecting strap 100 may be connected to the first end of the device body, and the second end of the second connecting strap 200 may be connected to the second end of the device body.

[0090] The beneficial effects achieved by the wearable device provided in this application embodiment are consistent with the beneficial effects achieved by the connecting strap assembly provided in this application embodiment, so they will not be repeated here.

[0091] Alternatively, the wearable device can be a smartwatch, smart bracelet, blood pressure monitoring ring, regular watch, decorative bracelet, or other wristband device.

[0092] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A tension adjustment device for adjusting the wearing length of a first connecting strap (100) and a second connecting strap (200) of a wearable device, characterized in that, include: A fixing seat (310) is used to connect with the first connecting strip (100) and the second connecting strip (200), and the fixing seat (310) is used to slide in engagement with at least one of the first connecting strip (100) and the second connecting strip (200); A clip (320) is movably disposed on the fixing base (310). The clip (320) is used to engage with the first connecting strap (100) so that the first connecting strap (100), the second connecting strap (200) and the fixing base (310) are relatively fixed. A locking member (330) is connected to the latch (320), and the locking member (330) is used to lock the latch (320) so that the latch (320) engages with the first connecting band (100); An operating member (340) is movably disposed on the fixed base (310). When the operating member (340) is in the first position, the locking member (330) locks the latch (320); when the operating member (340) is in the second position, the locking member (330) unlocks the latch (320). The operating member (340) is provided with a guide groove (342), and a portion of the latch (320) is located in the guide groove (342). In the moving direction of the operating member (340), the guide groove (342) and the latch (320) are slidably engaged. At least one of the latch (320) and the operating member (340) is provided with a driving ramp (343), and the operating member (340) can push the latch (320) to move through the driving ramp (343). The card (320) overlaps the portion of the operating member (340) located on both sides of the guide groove (342) so that the operating member (340) supports the card (320); during the process of the operating member (340) moving from the first position to the second position, the operating member (340) gradually lifts the card (320) through the driving inclined surface (343) so as to separate the card (320) from the first connecting strip (100).

2. The tension adjustment device according to claim 1, characterized in that, The locking member (330) includes a first magnetic member (331) and a second magnetic member (332). The first magnetic member (331) is disposed on the operating member (340), and the second magnetic member (332) is disposed on the locking member (320). The first magnetic member (331) and the second magnetic member (332) can be magnetically engaged to lock the locking member (320).

3. The tension adjustment device according to claim 2, characterized in that, The operating component (340) is also provided with a third magnetic component (350). Along the moving direction of the operating component (340), the first magnetic component (331) and the third magnetic component (350) are spaced apart. The third magnetic component (350) and the second magnetic component (332) can be magnetically engaged to unlock the card (320). The magnetic properties of the end of the first magnetic element (331) facing the second magnetic element (332) and the end of the third magnetic element (350) facing the second magnetic element (332) are opposite.

4. The tension adjustment device according to claim 2, characterized in that, The locking element (320) includes a rotating plate (321) and a locking part (322). The rotating plate (321) is rotatably connected to the fixed base (310) via a rotating shaft. The locking part (322) is connected to the rotating plate (321) and is used to lock with the first connecting strip (100). The second magnetic element (332) is disposed on the rotating plate (321). When the snap-fit ​​portion (322) and the second magnetic element (332) are located on opposite sides of the rotating shaft, the first magnetic element (331) and the second magnetic element (332) can magnetically attract each other to lock the snap-fit ​​portion (320). When the latching part (322) and the second magnetic element (332) are both located on the same side of the rotating shaft, the first magnetic element (331) and the second magnetic element (332) can magnetically repel each other to lock the latch (320).

5. The tension adjustment device according to claim 1, characterized in that, The card (320) is movably disposed on the fixed base (310). The card (320) can move between a first moving position and a second moving position. When the card (320) is in the first moving position, the card (320) engages with the first connecting band (100). When the card (320) is in the second moving position, the card (320) separates from the first connecting band (100). In the moving direction of the operating member (340), the card (320) can be limited to cooperate with the operating member (340). When the operating member (340) is in the first position, the locking member (330) locks the latch (320) in the first moving position; When the operating element (340) is in the second position, the operating element (340) drives the card (320) to move to the second moving position and unlocks the locking element (330).

6. The tension adjustment device according to claim 1, characterized in that, The locking member (330) includes an elastic member (333), the two ends of which are connected to the fixing seat (310) and the locking member (320) respectively. The elastic member (333) is used to drive the locking member (320) to engage with the first connecting band (100).

7. The tension adjustment device according to claim 1, characterized in that, It also includes a reset drive (360), the two ends of which are connected to the fixed base (310) and the operating member (340) respectively, and the reset drive (360) is used to drive the operating member (340) to reset.

8. A connecting strip assembly, characterized in that, The device includes a first connecting strap (100), a second connecting strap (200), and a tension adjustment device (300) as described in any one of claims 1-7. Both the first connecting strap (100) and the second connecting strap (200) are connected to the fixing seat (310) of the tension adjustment device (300), and at least one of the first connecting strap (100) and the second connecting strap (200) is slidably engaged with the fixing seat (310). The locking member (320) of the tension adjustment device (300) can be engaged with the first connecting strap (100) so that the first connecting strap (100), the second connecting strap (200), and the fixing seat (310) are relatively fixed.

9. The connecting strip assembly according to claim 8, characterized in that, The fixing base (310) is provided with a channel (311), the first end of the first connecting strip (100) can pass through the channel (311) from the first end of the channel (311), and the first end of the second connecting strip (200) can pass through the channel (311) from the second end of the channel (311). Along the direction from the clip (320) to the first connecting strip (100), the first connecting strip (100) and the second connecting strip (200) are stacked in the channel (311), and when the clip (320) is engaged with the first connecting strip (100), the first connecting strip (100) and the second connecting strip (200) abut against each other.

10. A wearable device, characterized in that, Includes a device body and a connecting strip assembly as described in claim 8 or 9, wherein the second end of the first connecting strip (100) is connected to the first end of the device body, and the second end of the second connecting strip (200) is connected to the second end of the device body.

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