Smart watch pager and its installation mechanism

Abstract

The present invention relates to the technical field of vibrators, and specifically to a mounting mechanism, including a mounting bracket, the surface of the mounting bracket being provided with a movable plug-in for limiting the installation of a smart watch pager body, the surface of the mounting bracket being provided with a connecting seat, the interior of the connecting seat being provided with a gap filling mechanism, and the surface of the connecting seat being movably connected to a watch strap, the gap filling mechanism compensating for the gap between the watch strap and the wrist; the smart watch pager and its mounting mechanism proposed by the present invention fix the smart watch pager body on the mounting bracket through the movable plug-in, thereby facilitating the rapid detachability of the smart watch pager body; and gap filling mechanisms are added to both sides of the mounting bracket, and after the watch strap is worn on the user's wrist, the gap filling mechanism is squeezed into the gap between the watch strap and the wrist by pushing the extrusion plate, and the gap filling mechanism pads the gap between the wrist and the watch strap to prevent the watch strap from rotating around the wrist and causing the smart watch pager body to be worn skewed.

Description

Technical Field

[0001] The present invention relates to the technical field of vibrators, and particularly to an intelligent watch call device and its installation mechanism. Background Art

[0002] The intelligent watch call device adopts 2.4G wireless technology, a two-way wireless network communication technology with simple structure, low power consumption, low data rate, low cost and high reliability, which is mainly suitable for the field of automatic control, can be embedded in various devices, and supports the geographic positioning function at the same time; a comprehensive product that realizes wireless communication among all participating personnel in the service place (such as guests, waiters, back kitchen staff, cashiers, greeters, managers, etc.) will occupy the Chinese restaurants and entertainment places.

[0003] In the prior art, the intelligent watch call device is used in conjunction with a watch band. After the watch band is wound around the wrist, it is connected through the buckle of the watch band to prevent the intelligent watch call device from falling off the wearer's wrist.

[0004] However, the buckle structure of the traditional watch band cannot be adapted to all wearers. That is, after the watch band is connected through the buckle structure, there is still a gap between the wrist and the watch band, which causes the watch band to rotate around the wrist, resulting in the deviation of the wearing position of the intelligent watch call device. If the watch band is tightened too tightly, it will cause marks on the wearer's wrist and affect the wearing comfort. Summary of the Invention

[0005] The purpose of the present invention is to provide an intelligent watch call device and its installation mechanism to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the present invention provides the following technical solution: An intelligent watch call device includes an intelligent watch call device body, and a card slot is provided on the surface of the intelligent watch call device body. There are two groups of card slots, and the two groups of card slots are symmetrically distributed about the intelligent watch call device body.

[0007] An installation mechanism includes an installation bracket. An active plug is provided on the surface of the installation bracket for installing and limiting the intelligent watch call device body. A connection seat is provided on the surface of the installation bracket, and a gap filling mechanism is provided inside the connection seat. A watch band is movably connected to the surface of the connection seat, and the gap filling mechanism compensates for the gap between the watch band and the wrist.

[0008] Preferably, the installation bracket has a "C"-shaped plate structure. The two relatively distributed side plates of the installation bracket are distributed in a "V" shape. There are two groups of active plugs, and the two groups of active plugs are respectively fixed on the two relatively distributed side plates of the installation bracket.

[0009] Preferably, the movable plug-in includes a baffle, a through opening, an inserting plate, a traction plate and a pull ring. The baffle is fixed to the side plate of the mounting bracket, the through opening is opened on the surface of the baffle, the inserting plate is movably inserted in the through opening, and one end of the inserting plate passes through the through opening and is inserted into the card slot. An inclined surface is provided on the top surface of one end of the inserting plate, the traction plate is fixed to the other end of the inserting plate, the pull ring is fixed on the surface of the traction plate, and an elastic traction member is provided between the inserting plate and the baffle for resetting the inserting plate after movement.

[0010] Preferably, the elastic traction member includes a notch, an extrusion sheet, a metal elastic sheet and a rubber connecting block. The notch is opened on the top surface of the baffle, the notch and the through-hole are connected, the extrusion sheet is fixed on the top surface of one end of the plug-in plate, the extrusion sheet is slidably connected in the notch, the metal elastic sheet is an arc-shaped plate structure, two groups of metal elastic sheets are provided, the two groups of metal elastic sheets are fixed between the extrusion sheet and the notch, and the rubber connecting block is connected between the two groups of metal elastic sheets, and the two groups of metal elastic sheets are symmetrically distributed about the rubber connecting block.

[0011] Preferably, the connecting seat is a square frame structure, and two groups of connecting seats are provided. The two groups of connecting seats are symmetrically distributed about the mounting bracket, and a leakage opening is opened on the bottom plate of the connecting seat, and the gap filling mechanism protrudes from the leakage opening.

[0012] Preferably, the gap filling mechanism includes an airbag, a compensation airbag, a pressure plate, a slider and a guide groove. The airbag is fixed inside the connecting seat. The height of the airbag is less than the depth of the groove body of the connecting seat. The compensation airbag is integrally formed at the bottom end of the airbag, and the compensation airbag and the airbag are connected. The compensation airbag passes through the leak. The pressure plate is slidably connected in the groove body of the connecting seat. The side wall of the pressure plate is provided with multiple sliders. The sliders and the guide grooves correspond one to one. The sliders are slidably connected in the guide grooves. The guide grooves are opened on the side walls of the connecting seat. A locking plug-in is provided between the pressure plate and the connecting seat.

[0013] Preferably, the locking plug-in includes a limit bar, a slide, a positioning insert, a positioning socket, a pick-out groove, a second metal elastic sheet and a rubber compensation block. The limit bar is an "L"-shaped plate structure. There are two groups of limit bars, both groups of limit bars are fixed on the top surface of the pressure plate, and the two groups of limit bars are symmetrically distributed. There are two groups of slides, both groups of slides are slidably connected between the two groups of limit bars, the second metal elastic sheet and the rubber compensation block are fixed between the two groups of slides, and the pick-out groove is opened on the top surface of the slide.

[0014] Preferably, the positioning plug is fixed to the end of the slide away from the second metal elastic piece, and the positioning plug is movably inserted into the positioning socket. The positioning socket is opened on the side panel of the connecting seat, and there are multiple positioning sockets, which are arranged in an upper and lower manner.

[0015] Preferably, two groups of ear plates are symmetrically installed on the surface of the connecting seat, and a watch strap connecting sleeve is provided between the two groups of ear plates. The watch strap connecting sleeve is fixedly installed on one end of the watch strap, and a through rod is movably inserted inside the watch strap connecting sleeve. Both ends of the through rod are provided with installation slots, and a spring is fixedly installed inside the installation slot. One end of the spring is fixedly covered on the surface of the movable pin, one end of the movable pin is movably inserted in the installation slot, and the other end of the movable pin is movably inserted in the hole on the surface of the ear plate. Positioning holes are provided on the surface of one group of watch straps, and a plug buckle is provided at the other end of the other group of watch straps, and the plug buckle and the hole are matched and connected.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The smart watch pager and its mounting mechanism proposed in the present invention fix the smart watch pager body on the mounting bracket through a movable plug-in, which facilitates the rapid disassembly of the smart watch pager body; and gap filling mechanisms are installed on both sides of the mounting bracket. After the strap is worn on the user's wrist, the gap filling mechanism is squeezed into the gap between the strap and the wrist by pushing the extrusion plate. The gap filling mechanism pads the gap between the wrist and the strap to prevent the strap from rotating around the wrist, causing the smart watch pager body to be worn at an angle, and to avoid the strap being held too tightly to affect wearing comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 A half-section schematic diagram of the structure of the present invention;

[0020] Figure 3 for Figure 2 A schematic diagram of the structure at center A;

[0021] Figure 4 for Figure 2 A magnified schematic diagram of the structure at point B in the middle;

[0022] Figure 5 This is a schematic diagram of the connection structure between the mounting bracket and the watch strap of the present invention;

[0023] Figure 6 This is a schematic cross-sectional view of the end portion of the connecting seat and ear plate connecting structure of the present invention;

[0024] Figure 7 This is a schematic diagram of the structure of the connecting seat after being cut open;

[0025] Figure 8 This is a schematic diagram of the pressing plate structure of the present invention;

[0026] Figure 9 This is a schematic diagram of the airbag installation structure of the present invention.

[0027] In the figure: smart watch pager body 1, mounting bracket 2, card slot 3, baffle 4, through port 5, plug plate 6, traction plate 7, pull ring 8, notch 9, extrusion plate 10, metal elastic sheet 11, rubber connecting block 12, connecting seat 13, leakage port 14, airbag 15, compensation airbag 16, pressure plate 17, slider 18, guide groove 19, limit strip 20, slide 21, positioning plug 22, positioning socket 23, pick-up groove 24, metal elastic sheet 25, rubber compensation block 26, ear plate 27, strap connecting sleeve 28, through rod 29, mounting slot 30, spring 31, movable pin 32, strap 33. DETAILED DESCRIPTION

[0028] In order to clearly and completely describe the objectives and technical solutions of the present invention and make the advantages more clearly understood, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] Example 1

[0030] Refer to the attached Figure 1 The present invention provides a technical solution: a smart watch pager, comprising a smart watch pager body 1, a surface of the smart watch pager body 1 is provided with a card slot 3, the card slot 3 is provided in two groups, and the two groups of card slots 3 are symmetrically distributed about the smart watch pager body 1.

[0031] Example 2

[0032] See also Figure 2 and Figure 5 , a mounting mechanism includes a mounting bracket 2, the surface of the mounting bracket 2 is provided with a movable plug-in for limiting the installation of the smart watch caller body 1, the surface of the mounting bracket 2 is provided with a connecting seat 13, the interior of the connecting seat 13 is provided with a gap filling mechanism, and the surface of the connecting seat 13 is movably connected to a strap 33, the gap filling mechanism compensates for the gap between the strap and the wrist; the smart watch caller body 1 is fixed to the mounting bracket 2 by the movable plug-in, so as to facilitate the rapid detachment of the smart watch caller body 1; and gap filling mechanisms are added to both sides of the mounting bracket 2. After the strap 33 is worn on the user's wrist, the gap filling mechanism is squeezed by pushing the extrusion plate 17 to protrude into the gap between the strap 33 and the wrist, and the gap filling mechanism pads the gap between the wrist and the strap 33 to prevent the strap 33 from rotating around the wrist, causing the smart watch caller body 1 to be worn tilted, and to prevent the strap 33 from being held too tightly, affecting the wearing comfort.

[0033] Example 3

[0034] Refer to the attached Figure 3 , on the basis of Embodiment 2, in order to realize the connection between the smart watch pager body 1 and the mounting bracket 2, the mounting bracket 2 is in a "C"-shaped plate structure, and the two relatively distributed side plates of the mounting bracket 2 are distributed in a "V" shape. There are two groups of movable plug-ins, and the two groups of movable plug-ins are respectively fixed on the two relatively distributed side plates of the mounting bracket 2. The movable plug-in includes a retaining piece 4, a through hole 5, an insertion plate 6, a traction piece 7 and a pull ring 8. The retaining piece 4 is fixed on the side plate of the mounting bracket 2, the through hole 5 is opened on the surface of the retaining piece 4, the insertion plate 6 is movably inserted into the through hole 5, and one end of the insertion plate 6 passes through the through hole 5 and is inserted into the card slot 3. A slope is provided on the top surface of one end of the insertion plate 6. The traction piece 7 is fixed on the other end of the insertion plate 6, the pull ring 8 is fixed on the surface of the traction piece 7, and an elastic traction member is provided between the insertion plate 6 and the retaining piece 4 for resetting the insertion plate 6 after movement; the elastic traction member includes a notch 9, a pressing piece 10, a first metal elastic piece 11 and a rubber connecting block 12. The notch 9 is opened on the top surface of the retaining piece 4, and the notch 9 communicates with the through hole 5. The pressing piece 10 is fixed on the top surface of one end of the insertion plate 6, and the pressing piece 10 is slidably connected in the notch 9. The first metal elastic piece 11 is in a circular arc plate structure, and there are two groups of the first metal elastic pieces 11. Both groups of the first metal elastic pieces 11 are fixed between the pressing piece 10 and the notch 9, and the rubber connecting block 12 is connected between the two groups of the first metal elastic pieces 11. The two groups of the first metal elastic pieces 11 are symmetrically distributed with respect to the rubber connecting block 12.

[0035] Embodiment 4

[0036] Refer to the attached Figure 4 , Figures 6 to 8 It should be noted that in the translation of "呈‘八’字形分布" in the original text, it is translated as "are distributed in a 'V' shape" here. It may be more accurate to check the specific context and relevant technical terms to ensure the most appropriate translation. If there are specific requirements for this expression, it can be adjusted accordingly.On the basis of the third embodiment, in order to fill the gap between the wrist and the watch strap 33 when wearing, the connecting seat 13 is a square frame structure, the connecting seat 13 is provided with two groups, the two groups of connecting seats 13 are symmetrically distributed about the mounting bracket 2, and a leakage opening 14 is opened on the bottom plate of the connecting seat 13, and the gap filling mechanism protrudes from the leakage opening 14. The gap filling mechanism includes an airbag 15, a compensation airbag 16, a pressure plate 17, a slider 18 and a guide groove 19. The airbag 15 is fixed inside the connecting seat 13, the height of the airbag 15 is less than the depth of the groove body of the connecting seat 13, the compensation airbag 16 is integrally formed at the bottom end of the airbag 15, and the compensation airbag 16 and the airbag 15 are connected, the compensation airbag 16 passes through the leakage opening 14, the pressure plate 17 is slidably connected to the groove body of the connecting seat 13, and the side wall of the pressure plate 17 is provided with a plurality of sliders 18, the sliders 18 and the guide grooves 19 correspond one to one, the sliders 18 are slidably connected in the guide grooves 19, and the guide grooves 19 are opened on the connecting seat 13 On the side wall, a locking plug-in is provided between the pressure plate 17 and the connecting seat 13; the locking plug-in includes a limit strip 20, a slide 21, a positioning plug 22, a positioning socket 23, a pick-up groove 24, a metal elastic piece 25 and a rubber compensation block 26. The limit strip 20 is an "L"-shaped plate structure. There are two groups of limit strips 20. Both groups of limit strips 20 are fixed to the top surface of the pressure plate 17, and the two groups of limit strips 20 are symmetrically distributed. There are two groups of slides 21. They are all slidably connected between the two groups of limit bars 20, the metal elastic sheet 25 and the rubber compensation block 26 are both fixed between the two groups of slides 21, the picking groove 24 is opened on the top surface of the slide 21, the positioning plug 22 is fixed at the end of the slide 21 away from the metal elastic sheet 25, the positioning plug 22 is movably inserted in the positioning socket 23, the positioning socket 23 is opened on the side panel of the connecting seat 13, and there are multiple positioning sockets 23, and the multiple positioning sockets 23 are arranged in an upper and lower manner.

[0037] Example 5

[0038] On the basis of Example 4, in order to realize the connection between the connecting base 13 and the watch strap 33, two groups of ear plates 27 are symmetrically installed on the surface of the connecting base 13, and a watch strap connecting sleeve 28 is arranged between the two groups of ear plates 27. The watch strap connecting sleeve 28 is fixedly installed at one end of the watch strap 33, and a through rod 29 is movably inserted inside the watch strap connecting sleeve 28. Both ends of the through rod 29 are provided with mounting grooves 30, and a spring 31 is fixedly installed inside the mounting groove 30. One end of the spring 31 is fixedly covered on the surface of the movable pin 32, and one end of the movable pin 32 is movably inserted in the mounting groove 30, and the other end of the movable pin 32 is movably inserted in the hole on the surface of the ear plate 27. A positioning hole is opened on the surface of one group of watch straps 33, and a plug buckle is provided at the other end of the other group of watch straps 33, and the plug buckle and the hole are matched and connected.

[0039] In actual use, please refer to the attached Figure 2 and Figure 3As shown, when the smart watch pager body 1 is installed on the mounting bracket 2, the plug-in plate 6 is plugged into the card slot 3, which effectively prevents the smart watch pager body 1 from falling off from the mounting bracket 2. When the smart watch pager body 1 needs to be disassembled, the pull ring 8 is pinched and the traction piece 7 is pulled to pull the plug-in plate 6 away from the card slot 3. When one end of the plug-in plate 6 is pulled out of the card slot 3, there is no limiting structure between the smart watch pager body 1 and the mounting bracket 2, so the smart watch pager body 1 can be removed from the mounting bracket 2. In the process of pulling the traction piece 7, the plug-in plate 6 drives the extrusion piece 10 to squeeze the metal elastic piece 11 and the rubber connecting block 12 to cause elastic deformation. After releasing the pull ring 8, the metal elastic piece 11 and the rubber connecting block 12 are deformed. The elastic piece 11 and the rubber connecting block 12 rebound and push the extrusion piece 10 to drive the plug-in plate 6 to reset. When the smart watch pager body 1 needs to be installed again, the smart watch pager body 1 is pushed into the two side plates of the mounting bracket 2. During this process, the smart watch pager body 1 squeezes the inclined surface of one end of the plug-in plate 6, so that the plug-in plate 6 drives the extrusion piece 10 to squeeze the metal elastic piece 11 and the rubber connecting block 12. When the bottom surface of the smart watch pager body 1 contacts the bottom plate of the mounting bracket 2, the metal elastic piece 11 and the rubber connecting block 12 rebound and push the extrusion piece 10 to drive the plug-in plate 6 to reset. At this time, the plug-in plate 6 is inserted into the card slot 3 to fix the smart watch pager body 1.

[0040] After the two straps 33 are wrapped around the wrist, one end of the two straps 33 is connected by the existing buckle structure. If the gap between the strap 33 and the wrist bracket causes the strap 33 to rotate around the wrist, the two fingers simultaneously buckle the two sets of slide plates 21 inside the connecting seat 13 in the pick-out grooves 24 on the top surface, reducing the distance between the two fingers. At this time, the two slide plates 21 squeeze the metal elastic sheet 25 and the rubber compensation block 26 to elastically deform, and the slide plate 21 drives the positioning plug 22 to disengage from the positioning socket 23, and then push the pressure plate 17 down to squeeze the airbag 15. The airbag 15 presses the compensation airbag 16 downward and expands. After the compensation airbag 16 expands, it fills the gap between the strap 33 and the wrist to prevent the strap 33 from rotating around the wrist. After the fingers are out of the pick-out grooves 24, the metal elastic sheet 25 and the rubber compensation block 26 rebound and push the two sets of slide plates 21 to reset until the positioning plug 22 is inserted into the adjacent positioning socket 23, thereby limiting the pressure plate 17.

[0041] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A mounting mechanism for mounting a smart watch pager, the smart watch pager comprising a smart watch pager body (1), characterized in that: The surface of the intelligent watch call device body (1) is provided with card slots (3). There are two groups of card slots (3), and the two groups of card slots (3) are symmetrically distributed with respect to the intelligent watch call device body (1). The installation mechanism includes an installation bracket (2). The surface of the installation bracket (2) is provided with movable plugs for installing and limiting the intelligent watch call device body (1). The surface of the installation bracket (2) is provided with a connecting seat (13). A gap filling mechanism is arranged inside the connecting seat (13), and a watch band (33) is movably connected to the surface of the connecting seat (13). The gap filling mechanism compensates for the gap between the watch band and the wrist. The gap filling mechanism includes an airbag (15), a compensation airbag (16), a pressing plate (17), a slider (18), and a guide groove (19). The airbag (15) is fixed inside the connecting seat (13). The height of the airbag (15) is less than the depth of the groove body of the connecting seat (13). The compensation airbag (16) is integrally formed at the bottom end of the airbag (15), and the compensation airbag (16) is communicated with the airbag (15). The compensation airbag (16) passes through the leakage port (14). The pressing plate (17) is slidably connected in the groove body of the connecting seat (13). A plurality of sliders (18) are arranged on the side wall of the pressing plate (17). The sliders (18) and the guide grooves (19) correspond one by one. The sliders (18) are slidably connected in the guide grooves (19). The guide grooves (19) are opened on the side wall of the connecting seat (13). A locking plug is arranged between the pressing plate (17) and the connecting seat (13). The locking plug includes a limiting strip (20), a sliding piece (21), a positioning insert piece (22), a positioning socket (23), a picking groove (24), a second metal elastic sheet (25), and a rubber compensation block (26). The limiting strip (20) is in an "L"-shaped plate structure. There are two groups of limiting strips (20). The two groups of limiting strips (20) are both fixed on the top surface of the pressing plate (17), and the two groups of limiting strips (20) are symmetrically distributed. There are two groups of sliding pieces (21). The two groups of sliding pieces (21) are both slidably connected between the two groups of limiting strips (20). The second metal elastic sheet (25) and the rubber compensation block (26) are both fixed between the two groups of sliding pieces (21). The picking groove (24) is opened on the top surface of the sliding piece (21). The positioning insert piece (22) is fixed at one end of the sliding piece (21) away from the second metal elastic sheet (25). The positioning insert piece (22) is movably inserted into the positioning socket (23). The positioning socket (23) is opened on the side plate of the connecting seat (13), and there are a plurality of positioning sockets (23) arranged in a vertical row distribution.

2. The mounting mechanism according to claim 1, wherein: The installation bracket (2) is in a "U"-shaped plate structure. The two relatively distributed side plates of the installation bracket (2) are in a "V" shape distribution. There are two groups of movable plugs, and the two groups of movable plugs are respectively fixed on the two relatively distributed side plates of the installation bracket (2).

3. The mounting mechanism according to claim 1, wherein: The movable plug-in comprises a baffle (4), a through-port (5), an inserting plate (6), a traction plate (7) and a pull ring (8), wherein the baffle (4) is fixed on the side plate of the mounting bracket (2), the through-port (5) is opened on the surface of the baffle (4), the inserting plate (6) is movably inserted into the through-port (5), and one end of the inserting plate (6) passes through the through-port (5) and is inserted into the card slot (3), a top surface of one end of the inserting plate (6) is provided with an inclined surface, the traction plate (7) is fixed on the other end of the inserting plate (6), the pull ring (8) is fixed on the surface of the traction plate (7), and an elastic traction member is provided between the inserting plate (6) and the baffle (4) for resetting the inserting plate (6) after the activity.

4. The mounting mechanism according to claim 3, wherein: The elastic traction member comprises a notch (9), an extrusion sheet (10), a metal elastic sheet (11) and a rubber connecting block (12). The notch (9) is provided on the top surface of the baffle (4), the notch (9) and the through-hole (5) are connected, the extrusion sheet (10) is fixed on the top surface of one end of the plug plate (6), the extrusion sheet (10) is slidably connected in the notch (9), the metal elastic sheet (11) is an arc-shaped plate structure, two groups of metal elastic sheets (11) are provided, the two groups of metal elastic sheets (11) are both fixed between the extrusion sheet (10) and the notch (9), and the rubber connecting block (12) is connected between the two groups of metal elastic sheets (11), and the two groups of metal elastic sheets (11) are symmetrically distributed about the rubber connecting block (12).

5. The mounting mechanism according to claim 1, wherein: The connecting seat (13) is in a square frame structure. Two groups of connecting seats (13) are provided. The two groups of connecting seats (13) are symmetrically distributed about the mounting bracket (2). A leakage opening (14) is provided on the bottom plate of the connecting seat (13), and a gap filling mechanism protrudes from the leakage opening (14).

6. The mounting mechanism according to claim 1, characterized in that: Two groups of ear plates (27) are symmetrically mounted on the surface of the connecting seat (13), a watchband connecting sleeve (28) is provided between the two groups of ear plates (27), the watchband connecting sleeve (28) is fixedly mounted on one end of the watchband (33), a through rod (29) is movably inserted into the interior of the watchband connecting sleeve (28), both ends of the through rod (29) are provided with mounting grooves (30), a spring (31) is fixedly mounted inside the mounting groove (30), one end of the spring (31) is fixedly covered on the surface of the movable pin (32), one end of the movable pin (32) is movably inserted into the mounting groove (30), and the other end of the movable pin (32) is movably inserted into the hole on the surface of the ear plate (27), a positioning hole is provided on the surface of one group of watchbands (33), and a plug buckle is provided at the other end of the other group of watchbands (33), and the plug buckle is matched with the hole for connection.

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