CN111552168A - a watch - Google Patents

Abstract

The invention relates to a watch, comprising a main body, a watchband and a connecting piece. The main body and the watchband are detachably connected through the connecting piece. When connected to the strap, the strap closes the bayonet. The bayonet slot is only stably closed by the strap, and it no longer needs to be closed by a card holder wall or a sealing gasket. In this way, the design depth of the bayonet slot is smaller, and the bayonet slot occupies less space inside the host. The available space is larger, which helps to optimize the design and layout of the internal parts of the host, and can reduce the cost of watch production and assembly.

Description

a watch

technical field

The present invention relates to the technical field of watches, and more particularly, to a watch.

Background technique

In the existing watch provided with a bayonet slot, the bayonet slot is closed by a card holder wall or a sealing gasket.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a wristwatch for the above-mentioned defects of the prior art.

The technical solution adopted by the present invention to solve the technical problem is as follows: a watch, including a main body, a watchband and a connecting piece, the main body and the watchband are detachably connected through the connecting piece, the main body is provided with a card slot, and the card slot is arranged on the main body On the side of the host connected to the strap, when the host is connected to the strap, the strap closes the bayonet slot.

Preferably, the watchband includes a second connecting part, the second connecting part is provided with a closing part, the bottom end of the closing part is connected with the second connecting part, and the top end extends along the length direction of the watchband and away from the second connecting part; When the strap is connected, the top of the closing part contacts with the side of the host where the card slot is located, and closes the card slot.

Preferably, the thickness of the closed portion gradually decreases from the bottom end to the top end.

Preferably, the second connection part is further provided with a catch part, the bottom end of the catch part is connected to the inner surface of the second connection part, and the top end extends along the thickness direction of the watchband and away from the second connection part; when the host is connected to the watchband , the top of the card position is in contact with the side of the host where the card slot is located or the bottom of the host.

Preferably, the second connecting part is further provided with a connecting through hole and a limiting groove, the connecting through hole is communicated with the limiting groove; the distance from the limiting groove to the top end of the closing part is less than or equal to the distance from the bottom end of the clamping part to the top end of the closing part ; When the strap is connected to the host, the limit slot is completely or partially blocked by the host.

Preferably, the connecting piece includes an adjusting handle. When the main unit is connected to the watch band, the adjusting handle is located in the limiting groove, and the length of the adjusting handle is smaller than the groove depth of the limiting groove.

Preferably, the main unit further includes a first connecting part, and the first connecting part and the second connecting part are connected by a connecting piece; the second connecting part is further provided with a guiding part, the bottom end of the guiding part is connected with the side surface of the second connecting part, and the top end is along the surface of the surface. The belt extends in the width direction and away from the second connecting portion, and the projection of the guiding portion on the side of the second connecting portion is an arc surrounding the connecting through hole; when the strap is connected to the host, the guiding portion is adapted to the outline of the first connecting portion and Snap fit.

Preferably, the second connection part is further provided with a deformation resistance part, and the deformation resistance part is arranged on the outer surface of the second connection part and extends to the outer surface of the closing part.

Preferably, the main body is further provided with a protruding outer edge, and the protruding outer edge is arranged at the contact point between the top end of the closing part and the side of the main body where the bayonet slot is located, and the width of the protruding outer edge is greater than or equal to the width of the closing part; when the strap is connected to the main body, the protruding outer edge is It is in contact with the closing part, and the outer surface of the protruding outer edge is smoothly connected with the outer surface of the closing part.

Preferably, the host includes a first casing and a second casing, the first casing and the second casing are connected by gluing; a force applying groove is provided at the connection between the first casing and the second casing, and the The force-applying groove is also arranged on the side where the host and the watchband are connected; when the host and the watchband are connected, the watchband blocks the force-applying groove.

The beneficial effects of the present invention are:

1. The bayonet slot is only stably closed by the strap, and no longer needs to be closed by the card holder wall or gasket. The design depth of the bayonet slot is smaller, and it takes up less space inside the host, so that the available space inside the host is larger, which helps to optimize the design and layout of the internal parts of the host. Reducing the complexity of parts processing or reducing the number of parts can reduce the cost of watch production and assembly.

2. The disassembly structure of the host and the strap is hidden. The exposed surface of the watch can be made more integral and beautiful, and it can effectively reduce children's thoughts and willingness to disassemble the watchband, reduce the action of children to disassemble the watchband, and the disassembly is difficult, which can effectively reduce the situation of children disassembling the watchband.

3. There is no connection structure between the shells such as exposed screw holes on the outer surface of the host shell, and the outer surface of the host is visually more integrated and more beautiful.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments. Ordinary technicians can also obtain other drawings based on these drawings without creative labor:

FIG. 1 is a three-dimensional schematic diagram 1 of a watch provided by the present invention.

FIG. 2a is a schematic perspective view 1 of the host provided by the present invention.

Fig. 2b is a schematic perspective view of the connector provided by the present invention.

Fig. 2c is a schematic diagram of a watch strap provided with a connector provided by the present invention.

FIG. 3a is a schematic perspective view 2 of the host provided by the present invention.

Fig. 3b is a perspective view of the watch band provided by the present invention.

FIG. 3c is a schematic cross-sectional view 1 of the watch profile provided by the present invention.

Figure 4a is a schematic side view of the watch band provided by the present invention.

Figure 4b is a schematic diagram of the outer surface of the watch band provided by the present invention.

FIG. 5a is a schematic perspective view 3 of the host provided by the present invention.

FIG. 5b is a schematic cross-sectional view 2 of the watch profile provided by the present invention.

FIG. 6 is a three-dimensional schematic diagram 2 of the watch provided by the present invention.

FIG. 7 is a three-dimensional schematic diagram 4 of the host provided by the present invention.

Description of drawings: 10, watch; 20, host; 21, first connection protrusion; 211, first connection hole; 22, second connection protrusion; 23, bayonet slot; 24, protruding outer edge; 25, first a shell; 26, the second shell; 27, the force application slot; 30, the watch strap; 31, the second connection part; 311, the connecting through hole; 312, the limit slot; 313, the closing part; 315, deformation resistance part; 316, guide part; 32, extension part; 40, connecting piece; 41, adjusting handle; 42, pin shaft.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the following will be described clearly and completely in combination with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, and Not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Referring to FIG. 1 , a wristwatch 10 includes a main body 20 , a watch strap 30 and a connecting piece 40 (not shown). The main body 20 and the watch strap 30 are detachably connected through the connecting piece 40 .

Specifically, please refer to FIG. 2a, the main unit 20 is provided with a first connecting part, the first connecting part is arranged on the side of the main unit where the main unit 20 is connected with the watch band 30, and the first connecting part is used for connecting with the watch band equipped with the connecting piece 40. 30 connections. In this embodiment, the first connection portion includes a first connection protrusion 21 and a second connection protrusion 22 , the first connection protrusion 21 is provided with a first connection hole 221 , and the second connection protrusion 22 is provided with a second connection hole.

Referring to FIG. 2 b , the connecting member 40 includes an adjusting handle 41 and a pin shaft 42 , and the adjusting handle 41 is connected with the pin shaft 42 . Moving the adjusting handle 41 can change the exposed length of the pin shaft 42 , thereby changing the length of the connecting piece 40 . The maximum length of the connecting piece 40 is greater than the distance between the first connecting protrusion 21 and the second connecting protrusion 22, and the minimum length is less than the distance between the first connecting protrusion 21 and the second connecting protrusion 22. The first connecting hole 211 and the second connecting hole realize pin-hole matching.

Referring to FIG. 2 c , the watch band 30 includes a second connecting portion 31 and an extending portion 32 , and the second connecting portion 31 and the extending portion 32 are connected. The second connecting portion 31 is connected with the first connecting portion through a connecting piece.

The second connecting portion 31 is provided with a connecting through hole 311 (not shown in FIG. 2 c ) and a limiting groove 312 , and the connecting through hole 311 penetrates the second connecting portion 31 in the width direction of the strap. The limiting slot 312 is opened on the inner surface of the second connecting portion 31 (when the host 20 is connected to the watchband 30 , it is close to the surface of the strap of the host), and the limiting slot 312 communicates with the connecting through hole 311 . When the connecting piece 40 is assembled with the watch band 30 , the pin shaft 42 is partially accommodated in the connecting through hole 311 , both ends of the pin shaft 42 are exposed to the second connecting portion 31 from the two ends of the connecting through hole 311 respectively, and the adjusting handle 41 is located in the limiting groove 312 At the position, it can move along the limiting groove 312 under the action of external force to adjust the length of the connecting piece.

Please refer to FIG. 3a, the host 20 is provided with a card slot 23, the card slot 23 is used for installing the communication card, and the card slot 23 is arranged on the side of the host where the first connection part is located, that is, the host where the host 20 and the strap 30 are connected side. When the watchband 30 is connected to the host 20, the watchband 30 closes the bayonet slot 23, that is, the bayonet slot is no longer connected to the outside world. Specifically, the slot 23 is disposed between the first connecting protrusion 21 and the second connecting protrusion 22 . When the host 20 is connected to the watchband 30 , the watchband 30 is also located between the first connection protrusion 21 and the second connection protrusion 22 , and the watchband 30 closes the bayonet slot 23 . It can be understood that there are many situations in the relative position of the bayonet slot 23 and the first connecting part, and there are also many situations in the relative position of the watchband 30 and the first connecting part, and various watchband closures can be formed by simply changing the positional relationship The combinations of card slots are not listed here.

Please refer to FIG. 3 b and FIG. 3 c , the second connecting portion 31 is provided with a closing portion 313 and a locking portion 314 .

The bottom end of the closed portion is connected to the end of the second connecting portion 31 away from the extension portion 32 , and the top end extends along the length of the strap 30 and extends away from the second connecting portion 31 . When the host 20 is connected to the strap 30 , the top end of the closed portion is The side of the host where the bayonet slot 23 is located is in contact with the first contact position, and the closing portion 313 closes the bayonet slot 23 . The bottom end of the latching portion is connected to the inner surface of the second connecting portion, and the top extends along the thickness direction of the strap 30 and away from the second connecting portion 31 . When the host 20 is connected to the strap 30 , the top of the latching portion is connected to the slot 23 . The side surface of the host or the bottom surface of the host is in contact with the second contact position. In this embodiment, the top end of the clamping portion is in contact with the side surface of the host. The card slot 23 is located between the first contact position and the second contact position, and the projection of the connecting through hole 311 on the side of the host where the card slot 23 is located is between the first contact position and the second contact position, that is, the closing portion 313 and the card The position portion 314 is in contact with the host 20 at both ends of the card insertion port 23 and the connecting through hole 311 , respectively. In this way, under the joint action of the closing portion 313 and the locking portion 314 , that is, under the action of the closing portion 313 and the locking portion 314 respectively contacting and engaging with the host 20 at both ends of the connecting through hole 311 , the second There will be no relative rotation between the connecting part and the host, and the relative movement between the second connecting part and the host will be restricted by the connecting piece to ensure that the relative position between the second connecting part and the host does not change, so that the closed The portion 313 stably closes the bayonet slot 23 . In this way, the bayonet slot 23 no longer needs to be closed by the card tray wall or the sealing gasket, but only by the watch strap 30 . Only through the strap 30 to close the bayonet slot 23, compared with the prior art, it has the following advantages: 1. When designing the depth of the bayonet bayonet 23, the thickness of the bayonet wall or the gasket can no longer be reserved, and the thickness of the bayonet bayonet 23 can not be reserved. The design depth is smaller, which can reduce the space occupied by the card slot 23 inside the host 20 . Further, a reserved empty space can also be designed between the closed portion 313 and the card slot 23, so that the communication card inserted into the card slot 23 can be partially exposed to the card slot 23 and be in the reserved empty space. Further reducing the depth of the bayonet slot 23 makes the available space inside the host 20 larger, which helps to optimize the design and layout of the internal components of the host 20 . 2. The card holder no longer needs to be sealed by the card holder wall or the sealing gasket, which can reduce the processing complexity of the card holder, or no longer need the sealing gasket, reduce the number of parts, and can reduce the production and assembly costs of the watch 10 .

Further, the thickness gradually decreases from the bottom end to the top end of the closed portion. That is, the closing portion is a triangular or triangular-like protruding structure, and this type of protruding structure has the characteristics of shape stability. When it is elastically deformed by force, it is difficult to have a large shape change, which can avoid the elastic deformation of the closing portion 313 and the exposure of the inserted card. The opening 23 further ensures that the closing portion 313 stably closes the card insertion opening 23 . In addition, in this embodiment, the thickness of the locking portion 314 gradually decreases from the bottom end to the top end. The side surface of the closing portion 313 close to the locking portion 314 is connected to the side surface of the locking portion 314 close to the closing portion 313 .

Referring to FIGS. 4 a and 4 b , the second connecting portion 31 is further provided with a deformation resisting portion 315 . The deformation resisting portion 315 is provided on the outer surface of the second connecting portion 31 and extends to the outer surface of the closing portion 313 , namely the deformation resisting portion 315 Partly covering the outer surface of the second connecting part and partly covering the outer surface of the closing part, that is, the deformation resistance part is superimposed on the second connecting part 31 and the closing part 313 in the thickness direction of the second connecting part 31 . The deformation resistance portion 315 can enhance the resistance of the closure portion 313 to elastic deformation in the thickness direction of the closure portion, making the closure portion 313 more difficult to elastically deform, thereby further maintaining the closure portion 313 to close the bayonet slot 23 more stably.

5a and 5b, the host 20 is further provided with a protruding outer edge 24, the protruding outer edge 24 is arranged at the first contact position, and the width of the protruding outer edge 24 is greater than or equal to the first connecting protrusion 21 and the second connecting protrusion 22 The distance between them is greater than or equal to the width of the closed portion 313 . When the strap 30 is connected to the host 20, the protruding outer edge 24 is in contact with the top end of the closing part, and the outer surface of the protruding outer edge 24 is smoothly connected with the outer surface of the closing part 313, that is, at the contact point between the protruding outer edge 24 and the closing part 313, The thickness of the protruding outer edge 24 is equal to the thickness of the closing portion 313 . In this embodiment, the protruding outer edge is also in contact with the first connecting portion.

The setting of the protruding outer edge 24 can change the direction in which the external force exerts the force on the closing portion 313 . When the protruding outer edge 24 is not provided, the external force can exert a force on the closing part 313 to keep the closing part 313 away from the side wall of the main body through the contact gap between the closing part 313 and the side wall of the main body, and the direction of the force is substantially perpendicular to the side of the closing part. wall. This force can elastically deform the closing part 313 in the thickness direction of the closing part 313, and make part of the closing part 313 (such as the top of the closing part) change from the state of being close to the side wall of the host to the state of being away from the side wall of the host, so that card insertion occurs. Port 23 may be exposed. When the protruding outer edge 24 is provided, the contact gap between the closing portion 313 and the side wall of the main body is blocked by the protruding outer edge 24, and the external force can only be exerted on the closing portion 313 through the contact gap between the protruding outer edge 24 and the closing portion 313. The force away from the protruding outer edge 24, the direction of the force is from the top end of the closed part to the bottom end of the closed part. Since the distance from the top to the bottom of the closed part 313 is much larger than the thickness of the closed part 313, the closed part 313 is difficult to be elastically deformed by force, and the force The connector 40 is roughly in a straight line with the main body 20 for pin-hole fitting, and the connector 40 will provide a support force opposite to the force direction, and limit the displacement of the closing portion 313 in the force direction. Therefore, when the protruding outer edge 24 is provided, the closure portion 313 is more difficult to deform and cannot be displaced, which helps the closure portion 313 to more stably close the bayonet slot 23 and ensures the closure of the bayonet slot 23 by the closure portion 313 sex.

4a, 4b and 6, the second connecting portion 31 is further provided with a guiding portion 316, and the bottom end of the guiding portion and the surface of the second connecting portion with the connecting through hole (ie the side surface of the second connecting portion or the side surface of the strap) For connection, the top of the guide portion extends along the width direction of the strap 30 and away from the second connecting portion 31. The projection of the guide portion 316 on the side surface of the second connecting portion is an arc surrounding the connecting through hole 311, and the guide portion 316 is connected to the first connecting portion. The outer contours fit and snap fit. The guide portion can restrict and guide the assembly and disassembly directions of the first connection portion and the second connection portion 31 . Further, when the strap is connected to the host, the guide portion 316 is also in contact with the side wall of the host where the first connecting portion is located, so as to further enhance the restriction on the relative rotation between the strap 30 and the host 20, so that the strap 30 and the host The relative positional relationship of 20 remains stable.

2c and 6, the limiting groove 312 is formed on the inner surface of the second connecting portion 31, and the distance from the limiting groove to the top of the closing portion is less than or equal to the distance from the bottom end of the locking portion to the top of the closing portion. When the strap 30 is connected to the host 20 , the limiting slot 312 is completely or partially blocked by the host 20 .

Please refer to FIG. 6 , in the first embodiment, the width of the locking portion is smaller than the depth of the connecting through hole, and the distance from the limiting groove to the top of the closing portion is equal to the distance from the bottom end of the locking portion to the top of the closing portion, that is, the locking portion 314 and the limiter The grooves 312 are sequentially arranged in the axial direction of the connecting through holes 311 . In this way, when the latching portion 314 is in contact with the host 20, since the width of the latching portion is smaller than the width of the second connecting portion 31 and the latching portion 314 is a protruding structure, there is an empty space between the second connecting portion 31 and the host 20. And the empty space communicates with the outside, and the limiting groove 312 is located in the empty space. When the host 20 is connected to the watch band 30 , the limiting slot 312 is partially blocked by the host 20 . At this time, if you want to disassemble the watch band 30 , insert a tool from the outside into the vacant space between the second connection part 31 and the main unit 20 , and adjust the adjustment handle 41 in the limiting groove 312 . It can be understood that, if the distance from the limit groove to the top of the closing part is smaller than the distance from the bottom end of the clamping part to the top of the closed part, the setting position of the limit groove 312 can also be adjusted so that the limit groove is completely blocked by the host and can be viewed from the outside. Invisible. For example: when the clamping part is in contact with the host, the side of the clamping part close to the host does not fit the host, there is a reserved space with the host, the limit slot is in the reserved space, and the clip part 314 and the limit slot 312 are in the same position. The projections of the connecting through holes 311 in the axial direction coincide with each other. , .

Specific embodiment 2: The width of the clamping portion 314 is equal to the width of the second connecting portion 31. When the clamping portion 314 is in contact with the host 20, the side of the clamping portion close to the host does not fit the host, and there is a reserved space with the host. This reserved space is closed. The distance from the limit groove to the top of the closing part is smaller than the distance from the bottom end of the clamping part to the top of the closed part, that is, the limit groove 312 is located in the reserved space. At this time, the limit groove 312 is completely blocked by the host 20 and can be seen completely from the outside. The limit slot 312 is missing. At this time, if the watchband 30 is to be disassembled, an external force must be applied to the watchband 30 first, so that the watchband 30 is elastically deformed, so that the relative position between the latching portion 314 and the host 20 changes, resulting in a connection with the reserved space. Thereby, the limiting groove 312 is exposed, and then an external force is applied to the adjusting handle 41 by a tool to disassemble the watch band 30 .

The hidden setting of the position of the limit slot makes it difficult for children to find the disassembly structure that separates the main unit 20 from the watchband 30, effectively reducing children's thoughts and willingness to disassemble the watchband 30, and reducing children's actions to disassemble the watchband 30. To prevent children from disassembling the watchband 30, and then dismantling the communication card, the effectiveness of the watchband 30 to close the bayonet slot 23 is maintained; in addition, the exposed surface of the watch 10 can be made more integral and beautiful.

Further, the handle length of the adjusting handle 41 is smaller than the groove depth of the limiting groove 312 , that is, the adjusting handle 41 is located in the limiting groove 312 and is not exposed outside the limiting groove 312 . In this way, when the watch band 30 is disassembled, the tool needs to further find and extend into the limiting groove 312 , and then adjust the adjustment handle 41 in the limiting groove 312 . In this way, the structure of the tool for disassembling the watchband 30 will be more complicated, and it will be more difficult for children to find relevant tools, which further increases the difficulty of disassembling the watchband 30, and more effectively ensures the sealing effect and safety of the communication card and the force application slot 27.

Please refer to FIG. 7 , the host 20 includes a first casing 25 and a second casing 26 , the first casing 25 and the second casing 26 are connected by gluing, and the first casing 25 and the second casing 26 are connected at the joint A force applying groove 27 is provided, and the force applying groove 27 is used to make the separation of the first casing 25 and the second casing 26 easier, even if the first casing 25 and the second casing 26 are connected by applying the first casing 25 and the second casing 26. The external force for the relative separation of the first casing 25 and the second casing 26 . The force applying slot 27 is opened on the side of the main unit where the main unit 20 and the watch band 30 are connected. When the main unit 20 and the watch band 30 are connected, the watch band 30 blocks the force applying slot 27 . In this embodiment, the force applying slot 27 and the bayonet slot 23 are arranged on the same side. On the one hand, the hidden arrangement of the force applying groove 27 can prevent the child from exerting force on the force applying groove 27 when the force applying groove 27 is exposed, which will destroy the adhesion between the first casing 25 and the second casing 26, so that the first casing 25 and the second casing 26 are not glued together. When the second casing 26 is relatively separated; on the other hand, there is no connection structure between the casings of the host 20 such as exposed screw holes, and the exposed surface of the host 20 looks more integral and more beautiful.

It should be understood that, for those skilled in the art, improvements or changes can be made according to the above description, and all these improvements and changes should fall within the protection scope of the appended claims of the present invention.

Claims (10)

1. The utility model provides a watch, includes host computer, watchband and connecting piece, and the host computer passes through the connecting piece with the watchband and can dismantle the connection, its characterized in that: the host computer is provided with the card slot, and the card slot setting is in the host computer side that host computer and watchband are connected, and when the host computer is connected with the watchband, the watchband seals the card slot.

2. A watch according to claim 1, characterized in that: the watchband comprises a second connecting part, the second connecting part is provided with a sealing part, the bottom end of the sealing part is connected with the second connecting part, and the top end of the sealing part extends along the length direction of the watchband and in the direction far away from the second connecting part;

when the host is connected with the watchband, the top end of the sealing part is contacted with the side surface of the host where the card slot is positioned, and the card slot is sealed.

3. A watch according to claim 2, characterized in that: the closed portion has a thickness that gradually decreases from the bottom end to the top end.

4. A watch according to claim 3, characterized in that: the second connecting part is also provided with a clamping part, the bottom end of the clamping part is connected with the inner surface of the second connecting part, and the top end of the clamping part extends along the thickness direction of the watchband and in the direction far away from the second connecting part;

when the host is connected with the watchband, the top end of the clamping part is contacted with the side surface of the host where the card inserting opening is positioned or the bottom surface of the host.

5. A watch according to claim 4, characterized in that: the second connecting part is also provided with a connecting through hole and a limiting groove, and the connecting through hole is communicated with the limiting groove;

the distance from the limiting groove to the top end of the closed part is less than or equal to the distance from the bottom end of the clamping part to the top end of the closed part;

when the watchband is connected with the host computer, the spacing groove is totally or partially sheltered from by the host computer.

6. A watch according to claim 5, characterized in that: the connecting piece comprises an adjusting handle, when the host is connected with the watchband, the adjusting handle is positioned in the limiting groove, and the length of the adjusting handle is smaller than the depth of the limiting groove.

7. A watch according to claim 5, characterized in that: the host machine also comprises a first connecting part, and the first connecting part is connected with the second connecting part through a connecting piece;

the second connecting part is also provided with a guide part, the bottom end of the guide part is connected with the side surface of the second connecting part, the top end of the guide part extends along the width direction of the watchband and the direction far away from the second connecting part, and the projection of the guide part on the side surface of the second connecting part is an arc surrounding the connecting through hole;

when the watchband is connected with the host computer, the guiding part is matched with the first connecting part in contour and in clamping fit.

8. A watch according to claim 2, characterized in that: the second connecting portion still are provided with deformation resistance portion, and deformation resistance portion sets up the surface at the second connecting portion and extends to the surface of sealing.

9. A watch according to claim 2, characterized in that: the host is also provided with a convex outer edge, the convex outer edge is arranged at the contact part of the top end of the closed part and the side surface of the host where the card inserting port is positioned, and the width of the convex outer edge is greater than or equal to that of the closed part;

when the watchband is connected with the host computer, the protruding outer edge contacts with the closing part, and the protruding outer surface of outer edge links up with the surface smoothness of closing part.

10. A watch according to any one of claims 1 to 9, characterised in that: the host comprises a first shell and a second shell, and the first shell is connected with the second shell in an adhesive mode;

a force application groove is formed in the joint of the first shell and the second shell and is also formed in the side face, connected with the watchband, of the host;

when the host computer is connected with the watchband, the watchband shields the force application groove.

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