CN113534642B - Adjusting and locking structure of watch key - Google Patents
Adjusting and locking structure of watch key Download PDFInfo
- Publication number
- CN113534642B CN113534642B CN202110791637.7A CN202110791637A CN113534642B CN 113534642 B CN113534642 B CN 113534642B CN 202110791637 A CN202110791637 A CN 202110791637A CN 113534642 B CN113534642 B CN 113534642B
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- ring
- control
- side wall
- limiting
- fixedly connected
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
- G04B19/06—Dials
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B27/00—Mechanical devices for setting the time indicating means
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B27/00—Mechanical devices for setting the time indicating means
- G04B27/001—Internal gear therefor, e.g. for setting the second hand or for setting several clockworks
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Abstract
The invention discloses an adjusting and locking structure of a watch key, which comprises a dial plate and a movement arranged in the dial plate, wherein a glass disc is arranged on the dial plate, an annular control cavity is formed in the dial plate, an annular control port penetrating through the dial plate is formed in the side wall of the control cavity, a control ring is arranged in the control cavity, a rotary ring penetrating through the annular control port is fixedly connected to the inner side wall of the control ring, a rotation limiting assembly is arranged on the inner wall of the rotary ring, the movement is connected with a plurality of rotary shafts penetrating into the control cavity, the rotary shafts are connected with the control ring through a joint control assembly, and the control ring is connected with the side wall of the control cavity through a collision assembly. The invention designs in the dial, can not occupy the external space, so the control ring can correspondingly and independently control different movement rotary shafts according to the number of the triangular locking rings on the control ring, and compared with the traditional movement, the invention can be provided with a plurality of adjustable buttons, and can simultaneously adjust a plurality of dial data such as hour hand, minute hand, calendar and the like, thereby being convenient for the use of the watch.
Description
Technical Field
The invention relates to the technical field of watch key structures, in particular to an adjusting and locking structure of a watch key.
Background
Watches are one of the common accessories in daily life of people at present, and the watches can be generally divided into the following two types: manual winding and automatic winding watches. The power sources of the two machines are both based on a clockwork spring in a movement as power to drive a gear to further push a pointer, and the mode of the power sources is different; the mechanical watch for manually winding up is powered by manually twisting a spring, and the watch for automatically winding up utilizes the power generated by the left and right swinging of an automatic rotating disc of a movement to drive the spring, but the thickness of the watch for manually winding up is smaller than that of the watch for automatically winding up.
Mechanical table needs adjust or go on the power through the knob, realize that the inside gauge needle of drive removes, current knob design is in one side of dial plate, it is comparatively protruding, when dressing, it can contact the hanging wire with the clothing, influence the wearing effect, and it can't hide in the design of knob, its locking effect is general, when receiving the friction, can be driven and rotate, thereby cause the removal of gauge needle, influence the accuracy of wrist-watch time, and its protrusion shows can influence holistic aesthetic property in one side of dial plate, the regulation locking structure of a wrist-watch button is proposed now for this, it can realize hiding the knob, avoid it to be bumped the use that influences the wrist-watch by the mistake.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an adjusting and locking structure of a watch key.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a regulation locking structure of wrist-watch button, includes dial plate and the core of setting in the dial plate, be provided with the glass dish on the dial plate, it is annular control chamber to have seted up in the dial plate, the annular control mouth that runs through the dial plate is seted up to the control chamber lateral wall, the control intracavity is provided with the control ring, the control intra-annular lateral wall fixedly connected with runs through the swing ring of annular control mouth, the swing ring inner wall is provided with the restriction runner assembly, the core is connected with a plurality of swing shafts that run through to the control intracavity, the swing shaft is connected with the control ring through the allies oneself with accuse subassembly, the control ring is connected with control chamber lateral wall through conflict subassembly, is located control chamber outer wall department a plurality of spacing chambeies have been seted up in the dial plate, spacing intracavity wall sliding connection has the restriction post, the restriction post passes through locating component and is connected with the control ring.
Preferably, the rotation limiting assembly comprises a plurality of rectangular limiting blocks which are arranged on the outer side wall of the glass disc and are uniformly distributed and used for limiting rotation of the rotating ring, the inner side wall of the rotating ring is fixedly connected with a limiting ring, and a plurality of rectangular limiting openings matched with the rectangular limiting blocks are formed in the inner side wall of the limiting ring.
Preferably, the joint control assembly comprises a rotating shaft rotatably connected in the control cavity, a rotating bevel gear is fixedly connected to the outer side wall of the rotating shaft, and a control bevel gear meshed with the rotating bevel gear is fixedly connected to the end of the rotating shaft.
Preferably, the outer side wall of the rotating shaft is fixedly connected with a control gear, the inner side wall of the control ring is fixedly connected with a control gear ring, and the control gear ring is meshed with the control gear.
Preferably, conflict subassembly includes the conflict post of fixed connection at the control chamber lateral wall, spherical annular has been seted up to the control ring inner wall, be provided with the conflict ball in the spherical annular, conflict ball fixedly connected with sleeve post, the chamber of contradicting has been seted up on the sleeve post, the conflict post runs through to the conflict intracavity to fixedly connected with conflict dish, the conflict dish is established at the conflict spring and conflict chamber lateral wall connection of conflict post lateral wall through the cover.
Preferably, the locating component includes and rotates with the restriction post and is connected with the gangbar, the gangbar tip rotates and is connected with the locking post that runs through to the control intracavity, locking post tip fixedly connected with triangle lockplate, two-layer triangle locking ring of control ring lateral wall fixedly connected with.
Preferably, the annular mouth that the cross-section is the T type is seted up to the dial plate, annular mouth inner wall fixedly connected with T type annular button, the restriction post runs through to in the annular mouth to press the key-type with T type annular, the spacing dish of restriction post lateral wall fixedly connected with, spacing dish is established through the cover and is connected with restriction intracavity wall at the answer spring of restriction post lateral wall.
Preferably, a rubber ring for sealing is arranged between the glass disc and the control ring, and the outer side wall of the control ring is provided with a friction edge for increasing friction force.
Preferably, both ends of the linkage rod are rotatably connected with a rotating connecting shaft, and the end parts of the locking column and the limiting column are provided with rotating holes which are sleeved with the rotating connecting shaft.
Preferably, the T-shaped annular key is in sliding contact with the inner wall of the annular opening, and a waterproof ring made of rubber is arranged on the inner wall of the annular opening.
Compared with the prior art, the invention has the beneficial effects that:
1. through set up the swing ring on the dial plate, utilize the swing ring to carry out the rotation control ring, realize rotating the core pivot of being connected with the ring gear on the control ring inner wall, realize hidden rotation, the rectangle restriction piece that sets up on the swing ring can lock the swing ring, ensures can not be bumped by the mistake and causes the time spent by mistake to the dial plate does not set up protruding knob, and more convenient the wearing is more pleasing to the eye.
2. Through designing in the dial plate is inside, can not occupy the exterior space, so can make the control ring correspond the different machinery of independent control respectively according to the quantity of the last triangle-lock ring of control ring and revolve the axle, so compare and can be provided with a plurality of adjustable buttons in traditional core, adjust a plurality of dial plate data such as hour hand, minute hand and calendar simultaneously, make things convenient for the use of wrist-watch.
Drawings
Fig. 1 is an assembly structure diagram of an adjusting and locking structure of a watch key according to the present invention;
FIG. 2 is a schematic view of an internal cross-sectional structure of an adjusting and locking structure of a watch button according to the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
fig. 4 is a schematic front structural view of an adjusting and locking structure of a watch key according to the present invention;
FIG. 5 is a schematic side view of an adjusting and locking structure of a watch button according to the present invention;
fig. 6 is a schematic structural view of a relationship between positions of a control ring and a control gear in an adjusting and locking structure of a watch key according to the present invention.
In the figure: 1 dial plate, 2 glass discs, 3 control chambers, 4 control rings, 5 rotating rings, 6 rotating shafts, 7 limiting chambers, 8 limiting columns, 9 rectangular limiting blocks, 10 limiting rings, 11 rectangular limiting ports, 12 rotating shafts, 13 rotating bevel gears, 14 control bevel gears, 15 control gears, 16 control toothed rings, 17 contact columns, 18 contact balls, 19 sleeve columns, 20 contact discs, 21 linkage rods, 22 locking columns, 23 triangular locking plates, 24 triangular locking rings, 25T-shaped annular keys, 26 limiting discs, 27 rubber rings and 28 friction edges.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-6, an adjusting and locking structure for a watch key comprises a dial 1 and a movement arranged in the dial 1, the original structure of the movement and the dial 1 is the prior art, and details are not repeated here, a glass disc 2 is arranged on the dial 1, an annular control chamber 3 is arranged in the dial 1, an annular control port penetrating through the dial 1 is arranged on the side wall of the control chamber 3, a control ring 4 is arranged in the control chamber 3, a rotary ring 5 penetrating through the annular control port is fixedly connected to the inner side wall of the control ring 4, a sealing layer is arranged between the rotary ring 5 and the annular control port so as to prevent external water from entering, a rotation limiting assembly is arranged on the inner wall of the rotary ring 5, further, the rotation limiting assembly comprises a plurality of rectangular limiting blocks 9 which are uniformly distributed on the outer side wall of the glass disc 2 and used for limiting the rotation of the rotary ring 5, and a limiting ring 10 is fixedly connected to the inner side wall of the rotary ring 5, a plurality of rectangle restriction mouth 11 with rectangle restriction piece 9 looks adaptation are seted up to the 10 inside walls of restriction ring, and rectangle restriction mouth 11 on the swivel ring 5 can move rectangle restriction piece 9 department when locking to restrict rectangle restriction mouth 11 through rectangle restriction piece 9 and make swivel ring 5 unable rotate, thereby avoid external friction to cause control ring 4 to rotate the accuracy of hour hand.
The movement is connected with a plurality of rotating shafts 6 penetrating into the control cavity 3, the connection relationship between the rotating shafts 6 and the movement is a common connection mode in the prior watch, the device is only hidden, but not changes the fundamental internal structure of the movement, the rotating shafts 6 are connected with the control ring 4 through a joint control component, further, the joint control component comprises a rotating shaft 12 rotatably connected in the control cavity 3, the outer side wall of the rotating shaft 12 is fixedly connected with a rotating bevel gear 13, the end part of the rotating shaft 6 is fixedly connected with a control bevel gear 14 engaged with the rotating bevel gear 13, the outer side wall of the rotating shaft 12 is fixedly connected with a control gear 15, the inner side wall of the control ring 4 is fixedly connected with a control toothed ring 16, the control toothed ring 16 is engaged with the control gear 15, wherein, according to the different positions of the rotating shafts 6, the positions of the control bevel gears 14 connected with the end parts are different relative to the rotating shaft, and thus the engagement between the upper rotary bevel gear 13 and the control bevel gear 14 can be changed by controlling the position of the control ring 4.
A plurality of limiting cavities 7 are formed in the dial plate 1 positioned on the outer wall of the control cavity 3, the inner walls of the limiting cavities 7 are connected with limiting columns 8 in a sliding mode, and the limiting columns 8 are connected with the control ring 4 through positioning assemblies; furthermore, the positioning assembly comprises a linkage rod 21 which is rotatably connected with the limiting column 8, the end part of the linkage rod 21 is rotatably connected with a locking column 22 which penetrates into the control cavity 3, the end part of the locking column 22 is fixedly connected with a triangular locking plate 23, and the outer side wall of the control ring 4 is fixedly connected with two layers of triangular locking rings 24; still further, dial plate 1 sets up the annular mouth that the cross-section is the T type, and annular mouth inner wall fixedly connected with T type annular button 25, restriction post 8 run through to in the annular mouth to be connected with T type annular button 25, restriction post 8 lateral wall fixedly connected with spacing dish 26, spacing dish 26 is connected with restriction intracavity wall through the answer spring of cover establishing at restriction post 8 lateral wall, T type annular button 25 and annular mouth inner wall sliding contact, the annular mouth inner wall is provided with the waterproof ring of rubber material.
Further, be provided with between glass dish 2 and the control ring 4 and be used for sealed rubber ring 27, the control ring 4 lateral wall is provided with the friction arris 28 that is used for increasing frictional force, can conveniently rotate control ring 4 through setting up friction arris 28 to the person of being convenient for the use adjusts the wrist-watch.
When the time and the calendar of the watch are adjusted, the T-shaped annular key 25 arranged on the dial plate 1 is extruded firstly, so that the T-shaped annular key 25 drives the plurality of limiting columns 8 to move inwards, the linkage rod 21 arranged on the limiting columns 8 drives the locking columns 22 to move inwards when the limiting columns 8 move, the triangular locking plates 23 arranged at the end parts of the locking columns 22 retract to the limiting cavities, at the moment, the triangular locking rings 24 which are originally limited by the triangular locking plates 23 and are positioned on the outer side walls of the control ring 4 release the locking effect, at the moment, the control ring 4 can be popped outwards under the action of the collision springs arranged between the collision columns 17 and the sleeve columns 19, and the limiting ring 10 connected with the inner wall of the control ring 4 is separated from the rectangular limiting blocks 9;
when the control ring 4 is pulled out, the control gear ring 16 arranged on the inner side wall of the control ring 4 is meshed with the control gear 15, and when the control ring 4 is rotated outside, the control gear ring 16 on the inner side wall of the control ring 4 drives the control gear 15 to rotate, so that the rotating shaft 12 rotates, the rotating bevel gear 13 on the rotating shaft drives the control bevel gear 14 to rotate, the rotating shaft 6 is driven to rotate inside the control cavity 3, the rotation of the inner structure of the movement is controlled through the rotating shaft 6, and the adjustment of the movement is realized;
when needs are adjusted different table needles, the accessible is pressed control ring 4 once more, make the triangle locking ring 24 and the triangle lockplate 23 of the difference that sets up at control ring 4 lateral wall corresponding, thereby utilize triangle lockplate 23 to make the control ring gear 15 that sets up on control ring 4 remove different positions, change with the different control gear 15 of control ring gear 15 meshing, the realization drives different control gear 15 complex spiral shaft 6 and adjusts, thereby can realize the hour hand, a plurality of dial plate data such as minute hand and calendar adjust respectively.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (8)
1. An adjusting and locking structure of a watch key comprises a dial (1) and a movement arranged in the dial (1), and is characterized in that a glass disc (2) is arranged on the dial (1), an annular control chamber (3) is arranged in the dial (1), an annular control opening penetrating through the dial (1) is formed in the side wall of the control chamber (3), a control ring (4) is arranged in the control chamber (3), a rotary ring (5) penetrating through the annular control opening is fixedly connected to the inner side wall of the control ring (4), a rotation limiting component is arranged on the inner wall of the rotary ring (5), the movement is connected with a plurality of rotary shafts (6) penetrating into the control chamber (3), the rotary shafts (6) are connected with the control ring (4) through a joint control component, the control ring (4) is connected with the side wall of the control chamber (3) through a collision component, a plurality of limiting chambers (7) are arranged in the dial (1) at the outer wall of the control chamber (3), the inner wall of the limiting cavity (7) is connected with a limiting column (8) in a sliding mode, and the limiting column (8) is connected with the control ring (4) through a positioning assembly;
the joint control assembly comprises a rotating shaft (12) which is rotatably connected in the control cavity (3), the outer side wall of the rotating shaft (12) is fixedly connected with a rotating bevel gear (13), and the end part of the rotating shaft (6) is fixedly connected with a control bevel gear (14) which is meshed and connected with the rotating bevel gear (13);
the outer side wall of the rotating shaft (12) is fixedly connected with a control gear (15), the inner side wall of the control ring (4) is fixedly connected with a control gear ring (16), and the control gear ring (16) is meshed with the control gear (15).
2. The adjusting and locking structure of the watch button according to claim 1, wherein the rotation limiting assembly comprises a plurality of rectangular limiting blocks (9) which are arranged on the outer side wall of the glass plate (2) and are uniformly distributed and used for limiting the rotation of the rotating ring (5), a limiting ring (10) is fixedly connected to the inner side wall of the rotating ring (5), and a plurality of rectangular limiting openings (11) matched with the rectangular limiting blocks (9) are formed in the inner side wall of the limiting ring (10).
3. The adjusting and locking structure of the watch button according to claim 1, wherein the collision component comprises a collision post (17) fixedly connected to a side wall of the control cavity (3), a spherical ring groove is formed in an inner wall of the control ring (4), a collision ball (18) is arranged in the spherical ring groove, the collision ball (18) is fixedly connected with a sleeve post (19), a collision cavity is formed in the sleeve post (19), the collision post (17) penetrates into the collision cavity and is fixedly connected with a collision disc (20), and the collision disc (20) is connected with a side wall of the collision cavity through a collision spring sleeved on the side wall of the collision post (17).
4. The adjusting and locking structure of the watch keys as claimed in claim 1, characterized in that the positioning assembly comprises a linkage rod (21) rotatably connected with the limiting column (8), the end of the linkage rod (21) is rotatably connected with a locking column (22) penetrating into the control cavity (3), the end of the locking column (22) is fixedly connected with a triangular locking plate (23), and the outer side wall of the control ring (4) is fixedly connected with a two-layer triangular locking ring (24).
5. The adjusting and locking structure of the watch button as claimed in claim 1, wherein the dial plate (1) is provided with a ring-shaped opening with a T-shaped cross section, the inner wall of the ring-shaped opening is fixedly connected with a T-shaped ring-shaped button (25), the limiting column (8) penetrates into the ring-shaped opening and is connected with the T-shaped ring-shaped button (25), the outer side wall of the limiting column (8) is fixedly connected with a limiting disc (26), and the limiting disc (26) is connected with the inner wall of the limiting cavity through a return spring sleeved on the outer side wall of the limiting column (8).
6. The adjusting and locking structure of the watch keys according to claim 1, characterized in that a rubber ring (27) for sealing is arranged between the glass disc (2) and the control ring (4), and the outer side wall of the control ring (4) is provided with a friction edge (28) for increasing the friction force.
7. The adjusting and locking structure of the watch button as claimed in claim 4, wherein both ends of the linkage rod (21) are rotatably connected with a rotating connecting shaft, and the ends of the locking post (22) and the limiting post (8) are respectively provided with a rotating hole sleeved with the rotating connecting shaft.
8. The structure of claim 5, wherein said T-shaped ring (25) is in sliding contact with the inner wall of the annular opening, said inner wall of the annular opening being provided with a waterproof ring made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110791637.7A CN113534642B (en) | 2021-07-13 | 2021-07-13 | Adjusting and locking structure of watch key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110791637.7A CN113534642B (en) | 2021-07-13 | 2021-07-13 | Adjusting and locking structure of watch key |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113534642A CN113534642A (en) | 2021-10-22 |
| CN113534642B true CN113534642B (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110791637.7A Active CN113534642B (en) | 2021-07-13 | 2021-07-13 | Adjusting and locking structure of watch key |
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| Country | Link |
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| CN (1) | CN113534642B (en) |
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| JP2003043166A (en) * | 2001-07-30 | 2003-02-13 | Seiko Epson Corp | Timepiece |
| JP2010190676A (en) * | 2009-02-17 | 2010-09-02 | Seiko Instruments Inc | Timepiece |
| CN108604080A (en) * | 2015-11-23 | 2018-09-28 | 维沙·托兰尼 | The wrist-watch of watch rim and axis connection is set with the time |
| CN210924217U (en) * | 2019-06-26 | 2020-07-03 | 湖北秉正讯腾科技有限公司 | Can correct children's intelligence wrist-watch of position of sitting |
| CN112154380A (en) * | 2018-07-09 | 2020-12-29 | 天梭股份有限公司 | Watch equipped with a rotary bezel comprising a bezel locking system with integrated helium valve |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH348658A (en) * | 1959-09-30 | 1960-08-31 | Boites De Montres S Graber S A | Wristwatch-alarm clock |
| DE50311715D1 (en) * | 2002-12-06 | 2009-08-27 | Powermike Com Lp | WORLDTIMECLOCK |
| CH700535A1 (en) * | 2009-03-11 | 2010-09-15 | Francoise Schuerch | Wristwatch e.g. diving watch, has watch case with rotary bezel that is designed in asymmetric manner so as to cover and release winding crown in respective covering and blocking positions of bezel, where bezel comprises asymmetric extension |
| CH701960A1 (en) * | 2009-10-05 | 2011-04-15 | Mecasertis S A | Watch case i.e. wristwatch case, has bezel middle part including side surface provided with decorative elements that are kinematically connected to rotary ring, where side surface of middle part is side surface of revolving body |
| EP3669234B1 (en) * | 2017-09-20 | 2022-07-27 | Samsung Electronics Co., Ltd. | Wearable device with bezel ring to enable motion in multiple degrees of freedom |
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2021
- 2021-07-13 CN CN202110791637.7A patent/CN113534642B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003043166A (en) * | 2001-07-30 | 2003-02-13 | Seiko Epson Corp | Timepiece |
| JP2010190676A (en) * | 2009-02-17 | 2010-09-02 | Seiko Instruments Inc | Timepiece |
| CN108604080A (en) * | 2015-11-23 | 2018-09-28 | 维沙·托兰尼 | The wrist-watch of watch rim and axis connection is set with the time |
| CN112154380A (en) * | 2018-07-09 | 2020-12-29 | 天梭股份有限公司 | Watch equipped with a rotary bezel comprising a bezel locking system with integrated helium valve |
| CN210924217U (en) * | 2019-06-26 | 2020-07-03 | 湖北秉正讯腾科技有限公司 | Can correct children's intelligence wrist-watch of position of sitting |
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| Publication number | Publication date |
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| CN113534642A (en) | 2021-10-22 |
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