CN112586843B - wrist wearable device - Google Patents

Abstract

The invention discloses wrist-worn equipment which comprises a main body and a wrist strap, wherein one end of the wrist strap is connected with the main body through a telescopic structure, and the telescopic structure is arranged in a shell of the main body and comprises a coil spring, a rope belt and a locking assembly; the inner end of the coil spring is fixed in the shell of the main body; one end of the rope belt is fixedly connected with the outer end of the coil spring, and the other end of the rope belt penetrates through the shell to be fixedly connected with the wrist strap; the wrist strap is stretched by pulling the rope belt; the locking assembly is connected with the rope belt and used for limiting the expansion and the contraction of the rope belt and releasing the limitation of the rope belt. The wrist-wearing equipment can be worn or taken down only by pulling the wrist strap open, and is not required to be buckled by a buckle, so that the wearing mode is more convenient; compared with the wrist strap made of elastic materials, the wrist strap has a wider adjusting range and can be worn by people of different ages and different body types; the wrist strap is integrally designed, a watch strap buckle is not needed, the structure is simpler, the cost is lower, and the wearing comfort is better; the wrist strap material has no special requirement, and the wrist strap made of various materials such as steel, leather, fluorine glue and the like can be used.

Description

wrist wearable device

technical field

The invention relates to the technical field of wearable devices, in particular to a wrist-worn device.

Background technique

Currently, the straps of wearable devices on the market all have a two-stage buckle structure, or are one-piece straps made of highly elastic materials. The two-stage buckle strap is cumbersome to wear, and the buckle is easy to loose, which is not conducive to the use of sports watches with health monitoring functions; the one-piece strap made of elastic material has limited expansion and contraction, and is not suitable for large-scale adjustments, and the material requirements Higher, not conducive to promotion.

Contents of the invention

Based on this, the technical problem to be solved by the present invention is to provide a wrist-worn device that is easy to wear and has a large adjustment range for the length of the wristband.

In order to achieve the above-mentioned purpose of the invention, the present invention adopts the following technical solutions to achieve:

A wrist-worn device, comprising a main body and a wrist strap, one end of the wrist strap is connected to the main body through a telescopic structure, and the telescopic structure is arranged in the housing of the main body, including a coil spring, a rope and a locking assembly; the The inner end of the coil spring is fixed in the housing of the main body; one end of the rope is fixedly connected to the outer end of the coil spring, and the other end of the rope passes through the housing and is fixedly connected to the wristband; The wristband realizes elongation by pulling the rope; the locking component is connected with the rope, and is used to limit the expansion and contraction of the rope and release the restriction on the rope.

Further, the telescoping structure further includes a reel, the reel has a circular inner cavity, the coil spring is arranged in the circular inner cavity of the reel, and a through hole is opened on the side wall of the reel, Used to thread the straps.

Further, the reel is rotatably arranged in the housing, and the rope is wound on the outer wall of the reel.

Further, a rotating shaft is arranged in the housing, the bottom surface of the reel passes through the rotating shaft, and is rotatably arranged on the housing; the inner end of the coil spring is fixedly connected to the rotating shaft; the rope Winding on the outer wall of the reel; the end of the rotating shaft is provided with a fixing nut, and the reel is axially limited by the fixing nut.

Further, a locking groove arranged along the length direction of the wristband is arranged in the housing, and the rope is arranged in the locking groove; Groove, the locking assembly is set in the installation groove, the locking assembly includes a touch bead, a first elastic member connected with the touch bead, and an unlocking lever; the touch bead abuts against the rope, and can The rope is bent and deformed to be locked in the locking groove; the unlocking lever is connected with the bead, and is used to push the bead to disengage from the rope and unlock the rope.

Further, a guiding part is also provided in the housing, and the rope is located on the same straight line as the locking groove after passing through the guiding part.

Further, the telescoping structure further includes an anti-loosening locking mechanism, which is used to prevent the wristband from falling out under the action of inertial force.

Further, the anti-loosening locking mechanism includes a ratchet, a pawl and a second elastic member; the ratchet is fixed in the housing, the ratchet is rotatably arranged on the reel, and the second elastic member It is connected with the ratchet, and is used to keep the ratchet and the ratchet in a disengaged state; the ratchet can be engaged with the ratchet under the action of centrifugal force, so as to limit the rotation of the reel.

Further, the other end of the wristband is fixedly connected to the main body through an ear structure.

Further, one end of the main body connected to the wrist strap through a telescopic structure has an extension extending along the length direction of the main body, and a slot is opened on the extension, and the wrist strap is inserted into the slot to communicate with the wrist strap. The rope is fixedly connected.

Compared with prior art, advantage and positive effect of the present invention are:

The above-mentioned wrist-worn devices can be worn or taken off only by pulling the wrist strap apart, without buckles, making it more convenient to wear; compared with elastic wrist straps, its adjustment range is larger, which can meet different age groups and different needs. Wearable by people with different body types; the integrated design of the wristband does not require a strap buckle, the structure is simpler, the cost is lower, and the wearing comfort is better; and there is no special requirement for the material of the wristband, steel, leather, fluorine rubber, etc. can be used Wristbands of various materials.

Other characteristics and advantages of the present invention will become clearer after reading the detailed description of the present invention in conjunction with the accompanying drawings.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the embodiments. Obviously, the accompanying drawings in the following description are some embodiments of the present invention. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without making creative efforts.

Fig. 1 is a schematic diagram of the explosive structure of the wrist-worn device of the present invention;

Fig. 2 is a schematic structural diagram of the inside of the housing in the wrist-worn device of the present invention;

Fig. 3 is a top view of the telescopic structure and the anti-loosening locking mechanism in the wrist-worn device of the present invention;

FIG. 4 is a state diagram of the retracted cord of the wrist-worn device of the present invention;

Fig. 5 is a state diagram after the cord of the wrist-worn device of the present invention is pulled out;

Explanation of reference signs:

Main body 100; shell 110; rotating shaft 111; locking groove 112; installation groove 113; extension part 120;

Wristband 200;

raw ear 300;

telescoping structure 400;

coil spring 410;

rope 420;

Locking assembly 430; touch bead 431; first elastic member 432; unlocking lever 433;

reel 440;

fixed nut 450;

Anti-loose locking mechanism 500;

The ratchet 510 ; the notch 511 ; the pawl 520 ; the second elastic member 530 .

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

It should be noted that, in the description of the present invention, the terms "up", "down", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate directions or positions The terms of the relationship are based on the orientation or positional relationship shown in the drawings, which are for convenience of description only, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be interpreted as Limitations on the Invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

Referring to FIG. 1-FIG. 5 , it is an embodiment of the wrist-worn device of the present invention. As shown in FIG. 1 , the wrist-worn device includes a main body 100 and a wrist strap 200 . One end of the wristband 200 is fixedly connected to the main body 100 through the raw ear 300 . The other end of the wristband 200 is connected to the main body 100 through a telescopic structure 400 . Referring to FIG. 2 and FIG. 3 , the telescopic structure 400 is disposed in the casing 110 of the main body 100 . In this embodiment, the telescopic structure 400 is disposed in the lower case of the main body 100 . Specifically, the telescoping structure 400 includes a coil spring 410 , a rope 420 and a locking component 430 . The inner end of the coil spring 410 is fixed in the housing 110 of the main body 100 ; one end of the cord 420 is fixedly connected to the outer end of the coil spring 410 , and the other end of the cord 420 passes through the housing 110 and is fixedly connected to the wristband 200 . The cord 420 is preferably a steel wire. The wristband 200 is stretched by pulling the string 420 . The locking component 430 is connected with the rope 420 and is used for limiting the expansion and contraction of the rope 420 and releasing the restriction on the rope 420 . Referring to FIG. 5 , after the wristband 200 is stretched out by pulling the cord 420 , the locking component 430 restricts the retraction of the cord 420 and can be worn at this time; referring to FIG. 4 , the locking component 430 releases the restriction on the cord 420 Finally, the cord 420 can be retracted under the action of the coil spring 410 to complete wearing.

The above-mentioned wrist-worn device can be worn or taken off only by pulling the wrist strap 200 apart, without the need for clasps, which makes it more convenient to wear; compared with the strap made of elastic material, its adjustment range is larger, which can meet different age groups It can be worn with people of different body types; the wristband 200 is designed in one piece without a strap buckle, the structure is simpler, the cost is lower, and the wearing comfort is better; and there is no special requirement for the material of the wristband 200, steel, leather, Wristbands 200 made of various materials such as fluorine rubber.

In this embodiment, the telescopic structure 400 also includes a reel 440, the reel 440 has a circular inner cavity, the coil spring 410 is arranged in the circular inner cavity of the reel 440, and a through hole is opened on the side wall of the reel 440 for to pass through the cord 420 . The reel 440 is used to limit the position of the coil spring 410 to ensure that the coil spring 410 stores a certain amount of elastic potential energy and provide power for the contraction of the rope 420 .

Further, the reel 440 is rotatably disposed in the casing 110 , and the rope 420 is wound on the outer wall of the reel 440 . The reel 440 can be used to rewind the cord 420. In this embodiment, the cord 420 protrudes from the through hole on the side wall of the reel 440 and wraps around the reel 440 once, and then extends out of the housing 110 and the wrist strap 200 connect. In other embodiments, the number of turns of the rope 420 can be appropriately increased according to the elastic force of the coil spring 410 to provide a larger stretching range.

Specifically, a rotating shaft 111 is disposed inside the housing 110 , and the bottom surface of the reel 440 passes through the rotating shaft 111 and is rotatably disposed on the housing 110 . The inner end of the coil spring 410 is fixedly connected with the rotating shaft 111 . The rope 420 is wound on the outer wall of the reel 440 , and the outer wall of the reel 440 has a groove structure, which is convenient for the rope 420 to be wound and fixed. The end of the rotating shaft 111 is provided with a fixing nut 450 , and the winding wheel 440 is axially limited by the fixing nut 450 .

In this embodiment, the rope 420 is locked by a locking component 430 . Specifically, the housing 110 is provided with a locking groove 112 arranged along the length direction of the wristband 200 , and the rope 420 is arranged in the locking groove 112 . The housing 110 is provided with a mounting groove 113 perpendicular to the locking groove 112 , and the locking assembly 430 is disposed in the mounting groove 113 . The locking assembly 430 specifically includes a bead 431 , a first elastic member 432 connected to the bead 431 , and an unlocking lever 433 . The touch bead 431 abuts against the rope 420, so that the rope 420 can be bent and deformed and locked in the locking groove 112; the unlocking lever 433 is connected with the touch bead 431, and is used to push the touch bead 431 to separate from the rope 420 and release the lock on the rope. With 420 lock. In this embodiment, the first elastic member 432 is a compression spring, one end of the compression spring is fixedly connected to the installation groove 113 , and the other end is connected to the bead 431 . The width of the locking groove 112 is slightly larger than the diameter of the rope 420 , and the width of the installation groove 113 is slightly larger than the diameter of the bead 431 . The bead 431 is always in contact with the rope 420 under the elastic force of the pressure spring, so that it is bent and deformed and locked in the locking groove 112 . The unlocking lever 433 is connected to the bead 431. In this embodiment, one end of the unlocking lever 433 is in contact with the bead 431, and the other end extends out of the housing 110. By pressing the unlocking lever 433, the bead 431 can be pushed to move so that it is detached from the rope. The belt 420 and the cord 420 can be pulled outward or retracted under the action of the coil spring 410 . The unlocking lever 433 and the touch bead 431 can be two parts, or can be an integral structure. The side of the bead 431 abutting against the rope 420 is preferably arc-shaped, so that the bead 431 can exert pressure on the rope 420 .

The housing 110 is also provided with a guiding part. After the rope 420 passes through the guiding part, it is located on the same straight line as the locking groove 112 , so that the rope 420 can slide smoothly in the locking groove 112 . The guide part may include two guide posts arranged close to each other, and the rope 420 passes through the gap between the two guide posts.

When wearing a wrist-worn device, the wearer tends to loosen the wristband 200 during intense exercise, especially some arm-swinging sports, such as tennis, volleyball, badminton, golf, etc., which are prone to the risk of device falling off; in addition, it has health monitoring function of the smart wristband 200 device, if the wristband 200 becomes loose, its heart rate monitoring, blood oxygen saturation monitoring and other functions will be inaccurate or completely invalid. The wrist-worn device in this embodiment also realizes the anti-loosening function of the wristband 200 , specifically through the anti-loosening locking mechanism 500 .

In this embodiment, the telescopic structure 400 includes an anti-loosening locking mechanism 500, which is used to prevent the wristband 200 from falling out under the action of inertial force.

Specifically, the anti-loosening locking mechanism 500 includes a ratchet 510 , a pawl 520 and a second elastic member 530 . The ratchet 510 is fixed in the housing 110 . The ratchet 510 is preferably an annular ratchet 510 , which surrounds the outer side of the scroll wheel 440 . The inner ring of the ratchet 510 is provided with tooth grooves. A notch 511 may be provided on the ratchet 510 to form a guide portion. The ratchet 520 is rotatably arranged on the reel 440, and the second elastic member 530 is connected with the ratchet 520 to keep the ratchet 520 and the ratchet 510 in a disengaged state. The ratchet 520 can be engaged with the ratchet 510 under the centrifugal force, limiting Rotation of reel 440 . In this embodiment, the second elastic member 530 is preferably a tension spring, and the upper surface of the reel 440 is provided with an eccentric shaft for arranging the ratchet 510 and a protrusion for fixing the tension spring. Ratchet 510 is installed on the eccentric shaft, and guarantees to be able to rotate flexibly, and extension spring one end hangs on the stud of reel 440, and the other end hooks ratchet 510 upper end, and guarantees certain stretching elastic force.

Under normal conditions, the ratchet 510 and the pawl 520 maintain a certain gap and are in a disengaged state to ensure that the reel 440 can rotate normally, thereby realizing the expansion and contraction of the wristband 200 .

When the wearer swings his arm at a high speed, the wristband 200 is linked with the rope 420 to accelerate away. At this time, the pawl 520 swings outwards under the action of centrifugal force and engages with the ratchet 510, and instantly blocks the wristband 200, thereby playing a role in the wristband. The belt 200 has the function of anti-loosening; when the arm swing action ends, the centrifugal force disappears thereupon, and the ratchet 520 returns to its original position under the tension of the extension spring and disengages from the ratchet 510. When the user removes or wears the wristband 200, he only needs to slowly pull the wristband 200 away. At this time, the centrifugal force of the pawl 520 is not enough to overcome the pretension force of the tension spring, so that the pawl 520 will not engage with it.

The anti-loose locking mechanism 500 of the above-mentioned wrist-worn device can realize the normal wearing of the wrist strap 200 devices such as watches and bracelets during strenuous exercise; the wrist strap 200 can be automatically locked, and the anti-loose effect can be realized without the operation of the wearer; pure Passive anti-loosening, simple structure and low cost.

In this embodiment, one end of the main body 100 and the wristband 200 connected by the telescopic structure 400 has an extension part 120 extending along the length direction of the main body 100. A slot is opened on the extension part 120, and the wristband 200 can be inserted into the slot. It is fixedly connected with the rope strap 420. During the stretching process of the wristband 200 , the stretching of the cord 420 can be hidden in the slot, and at the same time, it can guide the movement of the wristband 200 .

The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art can still understand the foregoing embodiments. Modifications are made to the technical solutions described, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions claimed in the present invention.

Claims (4)

1. A wrist-worn device, comprising a main body and a wrist strap, characterized in that one end of the wrist strap is connected to the main body through a telescopic structure, and the telescopic structure is arranged in the housing of the main body, including a coil spring, a cord and Locking assembly; the inner end of the coil spring is fixed in the housing of the main body; one end of the rope is fixedly connected to the outer end of the coil spring, and the other end of the rope passes through the housing and the The wrist strap is fixedly connected; the wrist strap realizes elongation by pulling the rope; the locking component is connected with the rope to limit the expansion and contraction of the rope and release the restriction on the rope ; The telescoping structure also includes a reel, the reel has a circular inner cavity, the coil spring is arranged in the circular inner cavity of the reel, and a through hole is opened on the side wall of the reel for wearing through said rope; The reel is rotatably arranged in the housing, and the rope is wound on the outer wall of the reel; The telescoping structure also includes an anti-loose locking mechanism, which is used to prevent the wristband from coming out under the action of inertial force; the anti-loose locking mechanism includes a ratchet, a ratchet and a second elastic member; the ratchet is fixed on In the housing, the ratchet is rotatably arranged on the reel, and the second elastic member is connected to the ratchet to keep the ratchet and the ratchet in a disengaged state; the ratchet Under the action of centrifugal force, it can be engaged with the ratchet to limit the rotation of the reel. The casing is provided with a locking groove arranged along the length direction of the wristband, and the rope is arranged in the locking groove; the casing is provided with an installation groove intersecting with the locking groove, so The locking assembly is arranged in the installation groove, and the locking assembly includes a touch bead, a first elastic member connected with the touch bead, and an unlocking lever; the touch bead abuts against the rope, enabling the The rope is bent and deformed and locked in the locking groove; the unlocking lever is connected to the bead, and is used to push the bead to separate from the rope and unlock the rope; A guide part is also provided in the housing, and the rope is located on the same straight line as the locking groove after passing through the guide part. 2. The wrist-worn device according to claim 1, wherein a rotating shaft is arranged in the housing, the bottom surface of the scroll wheel passes through the rotating shaft, and is rotatably arranged on the housing; the coil spring The inner end of the shaft is fixedly connected with the rotating shaft; the rope is wound on the outer wall of the reel; the end of the rotating shaft is provided with a fixing nut, and the reel is axially limited by the fixing nut. 3. The wrist-worn device according to claim 1 or 2, wherein the other end of the wristband is fixedly connected to the main body through an ear-shaped structure. 4. The wrist-worn device according to claim 1 or 2, characterized in that, one end of the main body connected to the wristband through a telescopic structure has an extension extending along the length direction of the main body, and the extension has a a slot, and the wrist strap is inserted into the slot and fixedly connected with the rope.

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