CN217587872U

CN217587872U - Watch case and watch

Info

Publication number: CN217587872U
Application number: CN202221127578.XU
Authority: CN
Inventors: 郑阳辉; 仇森; 郑阳红; 郑井艳; 陈浩杰; 陈少华; 梁达乾
Original assignee: Shenzhen Lingyi Innovation Technology Co ltd
Current assignee: Shenzhen Lingyi Innovation Technology Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-10-14
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses a watch watchcase and wrist-watch, this watch watchcase include down the casing and with lower body coupling's last casing, go up the casing and form the holding chamber that is used for the holding dial plate between the casing down, go up the casing seted up with the last window that the display screen of dial plate corresponds, down the casing seted up with the lower window that the last window corresponds, go up the first end of casing through first buckle structure with the connection can be dismantled to the first end of casing down, go up the second end of casing through second buckle structure with the second of casing is held can dismantle the connection down or go up the second of casing hold with the second of casing is held articulated down. The utility model discloses a watchcase is removable, and the user can change the watchcase according to the hobby of oneself to through the style of changing the removable wrist-watch of watchcase, thereby adaptable different use occasions.

Description

Watch case and watch

Technical Field

The utility model relates to a wrist-watch technical field, specificly relate to a wrist-watch watchcase and wrist-watch.

Background

The basic function of a watch is timing, but with the increasing level of consumption, the watch is just like an ornament which can represent the personal taste, identity symbol, etc. of the user. Watches with different styles need to be worn on different occasions, for example, a business-style watch with large and steady appearance needs to be worn on a business place, and a leisure-style watch can be worn on a leisure occasion.

The watchcase of current wrist-watch is the integral type generally, and the user can't change the watchcase for the style of wrist-watch is fixed unchangeable, can not be suitable for different occasions, can't satisfy the user demand.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a watch case and a watch, which aims to solve the defects in the prior art.

The utility model provides a technical scheme that its technical problem adopted is:

a first aspect of the utility model provides a watch case, including the casing down and with casing connection's last casing down, go up the casing and form the holding chamber that is used for the holding dial plate down between the casing, go up the casing seted up with the last window that the display screen of dial plate corresponds, down the casing seted up with the lower window that goes up the window and correspond, go up the first end of casing through first buckle structure with the connection can be dismantled to the first end of casing down, go up the second end of casing through second buckle structure with the second end of casing can be dismantled down the connection or go up the second end of casing with the second end of casing is articulated down.

As a preferred technical scheme, first buckle structure includes pin thread and box, the pin thread sets up the first end of casing down, the box sets up the first end of going up the casing, pin thread and box lock mutually.

As a preferred technical scheme, the male buckle comprises a base, a clamping piece and a first elastic piece; the base has opposite first and second sides; the top of the first end of the lower shell is provided with a male buckle installation position, the base is arranged in the male buckle installation position, a first accommodating cavity is formed in the first side of the base, the clamping piece comprises a connecting portion and a clamping portion, the connecting portion is provided with a first side and a second side, the connecting portion is accommodated in the first accommodating cavity, a first space is formed between the connecting portion and the inner wall, close to the center of the lower shell, of the first accommodating cavity, the clamping portion is formed on the first side of the connecting portion and protrudes out of the first side of the base, one end of the first elastic piece is arranged on the second side of the connecting portion, and the other end of the first accommodating cavity is arranged on the inner wall, close to the center of the lower shell, of the first accommodating cavity.

As a preferred technical scheme, the female buckle comprises a clamping position, a key and a second elastic piece; the key comprises a key body and a pressing part, wherein the key body is provided with a first side and a second side which are opposite, the key body is contained in the second containing cavity and has a second space with the second containing cavity between the inner walls of the side close to the center of the upper shell, one end of a second elastic part is arranged on the inner wall of the side close to the center of the upper shell, the other end of the second elastic part is arranged on the second side of the key body, the pressing part forms the second side of the key body, a through hole is formed in the side close to the center of the upper shell of the second containing cavity, the through hole is communicated with the clamping part, and the tail end of the pressing part penetrates through the through hole and contacts with the clamping part.

As an optimal technical solution, the male buckle further includes a first limiting member, the connecting portion is provided with a first limiting channel extending along a width direction of the connecting portion, a first end of the first limiting member is disposed on an inner wall of a top end of the first accommodating cavity, a second end of the first limiting member passes through the first limiting channel and is disposed on an inner wall of a bottom end of the first accommodating cavity, when the buckling portion is buckled with the clamping portion, the first limiting member is matched with one end of the first limiting channel close to a center of the lower shell, the first elastic member is in an initial state, when the buckling portion is disengaged from the clamping portion, the first limiting member is matched with one end of the first limiting channel far away from the center of the lower shell, and the first elastic member is in a compressed state.

As an optimized technical scheme, the female buckle further includes a second limiting member, the pressing portion is provided with a second limiting channel extending along the width direction of the pressing portion, a first end of the second limiting member is arranged on the inner wall of the top end of the through hole, a second end of the second limiting member penetrates through the second limiting channel and is arranged on the inner wall of the bottom end of the through hole, when the buckling portion is buckled with the clamping portion, the second limiting member is matched with one side, close to the center of the upper shell, of the second limiting channel, the second elastic member is in an initial state, when the buckling portion is separated from the clamping portion, the second limiting member is matched with one end, far away from the center of the upper shell, of the second limiting channel, the second elastic member is in a compressed state, and the tail end of the pressing portion is located in the clamping portion.

According to the preferable technical scheme, a first hole position is formed in the top of the first end of the lower shell, a convex portion is formed at the bottom of the female buckle mounting portion, the convex portion extends to the bottom of the first end of the upper shell, and the convex portion is matched with the first hole position.

According to the preferable technical scheme, the second buckle structure comprises a buckle and a buckling position, the buckle is arranged at the bottom of the second end of the upper shell, a second hole is formed in the top of the second end of the lower shell, the buckling position is arranged on the inner wall of one side, far away from the center of the lower shell, of the second hole, and the buckle is buckled with the buckling position.

As a preferred technical solution, the second end of the upper housing is hinged with the second end of the lower housing through a rotating shaft.

A second aspect of the utility model provides a watch, including watchcase and dial plate, the watchcase include down the casing and with lower body coupling's last casing, go up and form the holding chamber between casing and the lower casing, the dial plate holding in the holding intracavity, go up the casing seted up with the last window that the display screen of dial plate corresponds, down the casing seted up with the lower window that goes up the window and correspond, go up the first end of casing through first buckle structure with the connection can be dismantled to the first end of casing down, go up the second end of casing through second buckle structure with the second end of casing down can dismantle the connection or the second end of going up the casing with the second end of casing is articulated down.

The beneficial effects of the utility model are that: the utility model can change the watch case according to the own favor through the detachability between the upper shell and the lower shell, thereby changing the style of the watch through changing the watch case, being suitable for different use occasions and meeting the use requirements; simultaneously, the first end and the second end of the upper shell are detachably connected with the first end and the second end of the lower shell through the first buckle structure and the second buckle structure respectively, and the dismounting and the mounting are convenient and quick.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of a wristwatch according to a first embodiment of the present invention;

figure 2 is a schematic structural view of the watch case of the watch of figure 1;

figure 3 is an exploded schematic view of the watch case of figure 2;

figure 4 is a schematic cross-sectional view of the watch case of figure 2;

FIG. 5 is a partial schematic view of FIG. 4 at F;

figure 6 is an exploded schematic view of the lower case and male clasp of the watch case of figure 2;

figure 7 is an exploded view of the upper case and the box of the watch case of figure 2;

figures 8 and 9 are schematic structural views of the upper case of the watch case of figure 2;

figure 10 is a schematic view of the lower case of the watch case of figure 2;

fig. 11 is a schematic view of a wristwatch case according to a second embodiment of the present invention;

figures 12 and 13 are schematic structural views of the lower case of the watch case of figure 11;

figure 14 is a schematic view of the upper case of the watch case of figure 11.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations related in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.

First embodiment

Referring to fig. 1 to 3, a wristwatch according to a first embodiment of the present invention includes a case 10 and a dial 20. The dial 20 has a display screen for displaying time, date, etc. Watch case 10 includes a lower case 12 and an upper case 14 positioned on top of lower case 12, lower case 12 and upper case 14 being joined. A receiving cavity 102 is formed between the upper casing 14 and the lower casing 12, and specifically, the receiving cavity 102 is formed between an inner cavity of the upper casing 14 and an inner cavity of the lower casing 12. The dial 20 is accommodated in the accommodation chamber 102. The upper casing 14 is provided with an upper window 142 corresponding to the display screen of the dial 20, the upper window 142 is communicated with the inner cavity of the upper casing 14, and the time, date and the like can be conveniently observed due to the arrangement of the upper window 142. The lower housing 12 is provided with a lower window 122 corresponding to the upper window 142, and the lower window 122 is communicated with the inner cavity of the lower housing 12.

Referring to fig. 3 and 4, in the embodiment, the first end of the upper case 14 is detachably connected to the first end of the lower case 14 through the first fastening structure, the second end of the upper case 14 is detachably connected to the second end of the lower case 12 through the second fastening structure, so that the upper case 14 and the lower case 12 can be detachably connected through the first fastening structure and the second fastening structure, and thus, through the detachability between the upper case 14 and the lower case 12, the user can replace the watch case 10 according to his or her preference, and the style of the watch can be replaced by replacing the watch case 10, thereby being adaptable to different use occasions, the user does not need to have one watch for each style, only needs to have one watch case, and the use cost is reduced.

Referring to fig. 5 to 9, the first snap structure includes a male snap 30 and a female snap 40. The male buckle 30 is disposed at a first end of the lower case 12, the female buckle 40 is disposed at a first end of the upper case 12, and the male buckle 30 and the female buckle 40 are fastened together.

Specifically, as shown in fig. 5 and 6, the male buckle 30 includes a base 32, a catch 34, and a first elastic member 36. The base 32 has a first side (i.e., the side of the base 32 that is away from the center of the lower housing 12) and a second side (i.e., the side of the base 32 that is closer to the center of the lower housing 12) that are opposite.

The top of the first end of the lower housing 12 is provided with a male buckle mounting position 123, the base 32 is disposed in the male buckle mounting position 123, and a first accommodating cavity 322 is disposed on the first side of the base 32. In this embodiment, a protrusion 121 is formed at the bottom of the male buckle mounting position 123, a slot 323 matching with the protrusion 121 is formed at the bottom of the base 32, and the slot 323 is communicated with the first accommodating cavity 322. The number of the projections 121 and the grooves 323 is preferably two. The two protrusions 121 are arranged side by side along the length direction of the male buckle mounting position 123. Two sides of the bottom of the male buckle mounting position 123 are respectively formed with two mounting blocks 125, two ends of the first side of the base 32 are provided with two mounting cavities 324, the two mounting cavities 324 are respectively located at two sides of the first accommodating cavity 322, the two mounting cavities 324 are respectively matched with the two mounting blocks 125, the base 32 is mounted to the two mounting blocks 125 through two fasteners such as screws, and therefore the base 32 is fixed to the bottom of the male buckle mounting position 123.

The card member 34 includes a connecting portion 342 and a fastening portion 344, and the connecting portion 342 is received in the first receiving cavity 322 and forms a first space with an inner wall of the first receiving cavity 322 near the center of the lower housing 12. The connecting portion 342 has a first side (i.e., a side of the connecting portion 342 far from the center of the lower case 12) and a second side (i.e., a side of the connecting portion 342 near the center of the lower case 12) opposite to each other. The connecting portion 342 is movable in a direction toward or away from the center of the lower case 12, and the first space is a stroke space for the movement of the connecting portion 342. The fastening portion 344 is formed on a first side of the connecting portion 342 and protrudes from a first side of the base 32, that is, the fastening portion 344 is located outside the first accommodating cavity 322. One end of the first elastic member 36 is disposed to the second side of the connection portion 342, and the other end is disposed to an inner wall of the first receiving cavity 322 on a side close to the center of the lower case 12.

As shown in fig. 7 to 9, the female buckle 40 includes a detent 422, a button 44, and a second elastic member 46.

The inner wall of the first end of the upper casing 14 is formed with a female buckle mounting portion 42, and the female buckle mounting portion 42 is provided with the above-mentioned detent 422. The locking portion 344 is locked with the locking portion 422. The first end of the upper shell 14 is provided with a second receiving cavity 144 on the outer wall. The key 44 includes a key body 442 and a pressing portion 444, the key body 442 having a first side (i.e., a side of the key body 442 away from the center of the upper housing 14 and a side away from the female snap fitting 42) and a second side (i.e., a side of the key body 442 close to the center of the upper housing 14 and a side close to the female snap fitting 42) opposite to each other. The key body 442 is accommodated in the second accommodating cavity 144, and a second space is formed between the second accommodating cavity 144 and one side of the second accommodating cavity 144 close to the center of the upper housing 14 or one side of the second accommodating cavity 144 close to the female buckle mounting portion 42. The key body 442 can move in the second receiving cavity 144 along a direction close to or away from the female buckle mounting portion 42, and the second space is a stroke space for the key body 442 to move. One end of the second elastic element 46 is disposed to an inner wall of the second receiving cavity 144 near the center of the upper casing 14, and the other end is disposed to a second side of the key body 442. The pressing portion 444 is formed to the second side of the key body 442. A through hole 425 is formed at a side of the second receiving cavity 144 close to the center of the upper housing 14, the through hole 425 communicates with the stopper 422, and the end of the pressing portion 444 passes through the through hole 425 and contacts with the locking portion 344.

Further, the top of the first end of the lower housing 12 is provided with a first hole 124 (see fig. 5 and 6), the bottom of the female buckle mounting portion 42 is formed with a protrusion 421 (see fig. 5, 7 and 9), the protrusion 421 extends to the bottom of the first end of the upper housing 14, and the protrusion 421 is matched with the first hole 124, so that the structure is compact.

The upper housing 14, the female snap fitting portion 42, and the protrusion 421 are integrally formed, which facilitates manufacturing.

In this embodiment, the second side of the connecting portion 342 is provided with a first mounting groove, and one end of the first elastic member 36 extends into the first mounting groove and is disposed at the bottom of the first mounting groove. A second mounting groove 424 (see fig. 8) is formed at one side of the second receiving cavity 144 close to the center of the upper case 14, and one end of the second elastic member 46 extends into the second mounting groove 424 and is disposed at the bottom of the second mounting groove 424. The first and second

elastic members

36 and 46 are easily compressed by the first and second mounting grooves 424, so that the first and second

elastic members

36 and 46 are not compressed to the limit positions.

In this embodiment, the number of the first elastic member 36 and the second elastic member 46 is two, and the number of the first mounting groove 424 corresponds to the number of the first elastic member 36 and the second elastic member 46. The two first elastic members 36 are respectively located at positions corresponding to two ends of the connecting portion 342, and the two second elastic members 46 are respectively located at positions corresponding to two ends of the key body 442. It is understood that the number of the first elastic member 36 and the second elastic member 46 can be set according to actual situations.

The first and second

elastic members

36 and 46 are preferably springs.

In this embodiment, the first end outer wall, the first end inner wall, the second end outer wall, and the second end inner wall of the upper housing 14 are all inclined surfaces, and therefore, the female buckle mounting portion 42 and the key 44 are arranged obliquely relative to the base 32 and the clip 34, as shown in fig. 5, in order to enable the terminal of the pressing portion 444 (i.e., the end of the pressing portion 444 away from the key body 442) to contact with the buckling portion 344, the terminal of the pressing portion 444 is arranged as a first inclined surface 444a (see fig. 7), the terminal of the buckling portion 344 (i.e., the end of the buckling portion 344 away from the connecting portion 342) is arranged as a second inclined surface 344a (see fig. 6), and the second inclined surface 344a is matched with the first inclined surface 444 a. The first side of the base 32 forms an inclined surface 32b (see fig. 6) at a position corresponding to the first receiving cavity 322, and the inclined surface 32b is adapted to the inclination angle of the female buckle mounting portion 42, i.e., the inclined surface 32b is parallel to the female buckle mounting portion 42.

The male buckle 30 further includes a first limiting member 38, a first mounting hole and a second mounting hole 127 are respectively formed on the top inner wall and the bottom inner wall of the first accommodating cavity 322, and the second mounting hole 127 extends to the bottom of the male buckle mounting position 123, as shown in fig. 6. A first limiting passage 3424 extending in the width direction of the connecting portion 342 is provided at the middle position of the connecting portion 342. A first end of the first limiting member 38 is disposed in the first mounting hole, and a second end of the first limiting member 38 passes through the first limiting channel 3424 and is disposed in the second mounting hole 127. When the locking portion 344 is locked with the locking portion 422, the first limiting member 38 is engaged with an end of the first limiting channel 3424 close to the center of the lower casing 12, and the first elastic member 36 is in an initial state, as shown in fig. 5, when the locking portion 344 is disengaged from the locking portion 422, the first limiting member 38 is engaged with an end of the first limiting channel 3424 far from the center of the lower casing 12, and the first elastic member 36 is in a compressed state. The first limiting member 38 and the first limiting passage 3424 can limit the movement of the connecting portion 342.

The female buckle 40 further includes a second stopper 48, a third mounting hole 427 and a fourth mounting hole 426 (see fig. 8 and 9) are respectively formed on the top inner wall and the bottom inner wall of the through hole 425, and the fourth mounting hole 426 extends to the bottom of the protrusion 421. The pressing portion 444 is provided with a second limiting channel 4442 extending along the width direction of the pressing portion 444, a first end of the second limiting member 48 is disposed in the third mounting hole 427, and a second end of the second limiting member 48 passes through the second limiting channel 4442 and is disposed in the fourth mounting hole 426. When the locking portion 344 is locked with the locking portion 422, the second limiting member 48 is engaged with an end of the second limiting channel 4442 close to the center of the upper housing 14, and the second elastic member 46 is in an initial state, as shown in fig. 5, when the locking portion 344 is disengaged from the locking portion 422, the second limiting member 48 is engaged with an end of the second limiting channel 4442 far from the center of the upper housing 14, the second elastic member 46 is in a compressed state, and the end of the pressing portion 444 is located in the locking portion 422.

In this embodiment, the first end of the first limiting member 38 is tightly fitted with the first mounting hole, and the second end of the first limiting member 38 is tightly fitted with the second mounting hole 127. The first end of the second limiting member 48 is tightly fitted with the third mounting hole 427, and the second end of the second limiting member 48 is tightly fitted with the fourth mounting hole 426.

As shown in fig. 6, 7 and 10, the second snap structure includes a snap 50 and a snap 60. The buckle 50 is disposed at the bottom of the second end of the upper housing 14, the second hole 126 is disposed at the top of the second end of the lower housing 12, the buckling position 60 is disposed on the inner wall of the second hole 126 away from the center of the lower housing 12, and the buckle 50 is buckled with the buckling position 60.

With the above-mentioned structure, when the dial 20 of the watch is to be taken out to replace the watch case 10 or to clean and repair the watch case, as shown in fig. 5, the key body 442 is pressed by a finger in a direction approaching the female snap mounting portion 42 until the second stopper 48 is engaged with the end of the second stopper channel 4442 away from the center of the upper case 14, the pressing portion 444 can be moved in a direction departing from the female snap mounting portion 42 by the movement of the key body 442, at this time, the second elastic member 46 is compressed, the pressing portion 444 can push the locking portion 344 to move in a direction approaching the center of the lower case 12 during the movement, the movement of the locking portion 344 can drive the connecting portion 342 to move in a direction approaching the center of the lower case 12 until the first stopper 38 is engaged with the end of the first stopper channel 3424 away from the center of the lower case 12, at this time, the first elastic member 36 is compressed, the locking portion 344 will be separated from the maintenance position 422 during the movement, after the locking portion 344 is separated from the locking position, the dial 122 is lifted up by a finger to replace the upper case 14, and then the watch case 20 is taken out, and the watch case 20 is taken out to clean and repair the watch case 20, and repair the watch case 20. When the upper housing 14 and the lower housing 12 are to be connected together, the latch 50 at the second end of the upper housing 14 is first latched with the latch 60 at the second end of the lower housing 12, and then the latch 422 at the first end of the upper housing 14 is latched with the latch 344 at the first end of the lower housing 12.

Second embodiment

Referring to fig. 11 to 14, the present embodiment is different from the first embodiment in that the second end of the upper casing 14 is hinged to the second end of the lower casing 12 through a rotating shaft 70.

Specifically, the second end of the upper housing 14 is formed with a mounting member 146 at the bottom, and the mounting member 146 is provided with a mounting hole 1462. The top of the second end of the lower casing 12 is provided with a cavity 128 matched with the mounting member 146, the bottom of the second end of the lower casing 12 is provided with a mounting groove 129 communicated with the cavity 128, and two ends of the rotating shaft 70 are respectively arranged on the inner walls of two ends of the mounting groove 129. The mounting member 146 is disposed on the outer circumference of the rotating shaft 70 through the mounting hole 1462, and the mounting member 146 can rotate relative to the rotating shaft 70, so as to drive the upper casing 14 to rotate relative to the rotating shaft 70, so that the upper casing 14 can be flipped around the rotating shaft 70 relative to the lower casing 12.

With the above-mentioned structure, when the dial 20 of the watch is to be taken out to replace the watch case 10 or to clean and repair the watch case, as shown in fig. 5, the key body 442 is pressed by a finger in a direction approaching the female snap mounting portion 42 until the second stopper 48 is engaged with an end of the second stopper channel 4442 away from the center of the upper case 14, the pressing portion 444 is movable in a direction departing from the female snap mounting portion 42 under the driving of the movement of the key body 442, the second elastic member 46 is compressed, the pressing portion 444 pushes the locking portion 344 to move in a direction approaching the center of the lower case 12 during the movement, the movement of the locking portion 344 drives the connecting portion 342 to move in a direction approaching the center of the lower case 12 until the first stopper 38 is engaged with an end of the first stopper channel 3424 away from the center of the lower case 12, the first elastic member 36 is compressed at this time, the locking portion 344 is separated from the maintenance position 422 during the movement, after the locking portion 344 is separated from the locking portion, the dial 20 is lifted by a finger from the lower window 122 to lift up the upper case 14, and then the watch case 20 is lifted up to clean and the watch case 20, and the watch case 20 is taken out, and the watch case 20, and the watch case 14, and the watch case is taken out to clean and repair the watch case 14, and repair the watch case 20, and repair the watch case can be carried out, and the watch case 20. When the upper housing 14 and the lower housing 12 are to be connected together, the locking portion 422 of the first end of the upper housing 14 and the locking portion 344 of the first end of the lower housing 12 are locked together.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. The watch case comprises a lower case and an upper case connected with the lower case, wherein a holding cavity used for holding a dial plate is formed between the upper case and the lower case, the upper case is provided with an upper window corresponding to a display screen of the dial plate, and the lower case is provided with a lower window corresponding to the upper window.

2. The watch case of claim 1, wherein the first snap structure comprises a male snap provided to the first end of the lower case and a female snap provided to the first end of the upper case, the male snap and female snap being snapped together.

3. The watch case of claim 2 wherein the male clasp comprises a base, a catch and a first resilient member; the base has opposite first and second sides; the top of the first end of the lower shell is provided with a male buckle installation position, the base is arranged in the male buckle installation position, a first accommodating cavity is formed in the first side of the base, the clamping piece comprises a connecting portion and a clamping portion, the connecting portion is provided with a first side and a second side, the connecting portion is accommodated in the first accommodating cavity, a first space is formed between the connecting portion and the inner wall, close to the center of the lower shell, of the first accommodating cavity, the clamping portion is formed on the first side of the connecting portion and protrudes out of the first side of the base, one end of the first elastic piece is arranged on the second side of the connecting portion, and the other end of the first accommodating cavity is arranged on the inner wall, close to the center of the lower shell, of the first accommodating cavity.

4. A wristwatch case according to claim 3, wherein said female clasp comprises a detent, a push button and a second elastic member; the key comprises a key body and a pressing part, wherein the key body is provided with a first side and a second side which are opposite, the key body is contained in the second containing cavity and has a second space with the second containing cavity between the inner walls of the side close to the center of the upper shell, one end of a second elastic part is arranged on the inner wall of the side close to the center of the upper shell, the other end of the second elastic part is arranged on the second side of the key body, the pressing part forms the second side of the key body, a through hole is formed in the side close to the center of the upper shell of the second containing cavity, the through hole is communicated with the clamping part, and the tail end of the pressing part penetrates through the through hole and contacts with the clamping part.

5. The watch case according to claim 4, wherein the pin buckle further comprises a first limiting member, the connecting portion is provided with a first limiting channel extending in a width direction of the connecting portion, a first end of the first limiting member is disposed on an inner wall at a top end of the first accommodating cavity, a second end of the first limiting member passes through the first limiting channel and is disposed on an inner wall at a bottom end of the first accommodating cavity, when the buckle portion is buckled with the clamp, the first limiting member is matched with an end of the first limiting channel close to a center of the lower case, the first elastic member is in an initial state, when the buckle portion is disengaged from the clamp, the first limiting member is matched with an end of the first limiting channel far from the center of the lower case, and the first elastic member is in a compressed state.

6. The watch case according to claim 5, wherein the female buckle further comprises a second limiting member, the pressing portion has a second limiting channel extending along a width direction of the pressing portion, a first end of the second limiting member is disposed on an inner wall of a top end of the through hole, a second end of the second limiting member passes through the second limiting channel and is disposed on an inner wall of a bottom end of the through hole, when the locking portion is locked with the detent, the second limiting member is engaged with a side of the second limiting channel close to a center of the upper case, the second elastic member is in an initial state, when the locking portion is disengaged from the detent, the second limiting member is engaged with an end of the second limiting channel far from the center of the upper case, the second elastic member is in a compressed state, and a distal end of the pressing portion is located in the detent.

7. The watch case of claim 4 wherein the first end of the lower case is provided at a top with a first hole location, and the bottom of the box mounting portion is formed with a protrusion extending to a bottom of the first end of the upper case, the protrusion engaging the first hole location.

8. The watch case of claim 1, wherein the second snap structure comprises a snap disposed at the bottom of the second end of the upper case and a second hole disposed at the top of the second end of the lower case, and the inner wall of the second hole away from the center of the lower case is provided with the snap, and the snap is snapped with the snap.

9. The watch case of claim 1 wherein the second end of the upper case is hinged to the second end of the lower case by a hinge.

10. A watch comprises a watch shell and a dial plate, wherein the watch shell comprises a lower shell and an upper shell connected with the lower shell, a containing cavity is formed between the upper shell and the lower shell, the dial plate is contained in the containing cavity, the upper shell is provided with an upper window corresponding to a display screen of the dial plate, the lower shell is provided with a lower window corresponding to the upper window, and the watch is characterized in that a first end of the upper shell is detachably connected with a first end of the lower shell through a first buckle structure, and a second end of the upper shell is detachably connected with a second end of the lower shell through a second buckle structure or the second end of the upper shell is hinged with the second end of the lower shell.