CN111123685A

CN111123685A - Waterproof watchcase and wearable equipment

Info

Publication number: CN111123685A
Application number: CN201911312229.8A
Authority: CN
Inventors: 董建华; 陈全龙; 邱会桃; 王德全
Original assignee: Nubia Technology Co Ltd
Current assignee: Nubia Technology Co Ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-05-08

Abstract

The invention discloses a waterproof watch case which is used for wearable equipment and comprises an upper watch case, a first limiting plate, a second limiting plate and a waterproof assembly, wherein the upper watch case is provided with a through hole for an FPC (flexible printed circuit) through hole; after the waterproof assembly is the FPC via hole, the gap is covered with the waterproof colloid arranged on the lower sides of the first limiting plate and the second limiting plate, and the waterproof meter shell can be opened to form the FPC via hole and can also achieve a waterproof effect.

Description

Waterproof watchcase and wearable equipment

Technical Field

The invention relates to the technical field of mobile terminal water prevention, in particular to a waterproof watch case and wearable equipment.

Background

The watch is an indispensable personal object in daily life, people can conveniently know time through the watch, but with the high integration of electronic components and the rapid development of mobile internet technology, mobile terminals are subjected to more and more hot rods. However, in the process of using the mobile terminal by the user on a daily basis, the mobile terminal is inevitably easy to be exposed to water, such as raining or falling into the water, and solving the problem of water entering the mobile terminal is a research and development hotspot of various manufacturers.

But when FPC under present wearable equipment screen connects the mainboard, need open a hole on the watchcase for the FPC via hole, because there is the waterproof performance that the hole just is difficult to guarantee the watchcase on the watchcase, consequently it has very big help to promote user experience to propose a watchcase with screen body FPC via hole waterproof construction.

Disclosure of Invention

The invention aims to solve the technical problem that the waterproof watch case and the wearable device are provided aiming at the technical problem that the waterproof is difficult to ensure as the existing wearable device needs to be provided with a hole for an FPC (flexible printed circuit) via hole on the watch case.

In order to solve the above technical problem, the present invention provides a waterproof watch case comprising:

the waterproof device comprises an upper meter shell, a first limiting plate, a second limiting plate and a waterproof assembly;

the upper meter shell is provided with a through hole for an FPC (flexible printed circuit) via hole, the first limiting plate and the second limiting plate are attached to the inner side of the upper meter shell and connected with the upper meter shell, a gap for the FPC via hole is reserved between the first limiting plate and the second limiting plate in a matching mode, and the gap is communicated with the through hole;

after the waterproof assembly is an FPC (flexible printed circuit) via hole, the gap and the lower sides of the first limiting plate and the second limiting plate are covered with waterproof colloid.

Optionally, the first limiting plate is an "Contraband" shaped plate, and the second limiting plate is a rectangular plate.

Optionally, the first limiting plate and the second limiting plate are matched to leave a gap for the FPC via hole, which is 0.5mm wide.

Optionally, the surface of the hydrocolloid is covered with a nano coating.

Optionally, the hydrocolloid is formed by dispensing at the gap and the lower sides of the first limiting plate and the second limiting plate based on a glue permeation process.

Optionally, the first limiting plate and the second limiting plate are made of metal.

Optionally, the first limiting plate and the second limiting plate are made of aluminum alloy.

Optionally, the first limiting plate, the second limiting plate and the upper case are connected through glue.

Optionally, the first limiting plate, the second limiting plate and the upper case are connected by welding.

Furthermore, the invention also provides wearable equipment which comprises the waterproof watch case.

Advantageous effects

The invention provides a waterproof watchcase, aiming at the problem that when a screen FPC (flexible printed circuit) is subjected to via hole, a hole needs to be formed in the watchcase to cause that the watchcase is not waterproof, and the waterproof watchcase comprises: the waterproof device comprises an upper meter shell, a first limiting plate, a second limiting plate and a waterproof assembly, wherein the upper meter shell is provided with a through hole for an FPC (flexible printed circuit) via hole; after waterproof assembly was the FPC via hole, the waterproof colloid that sets up was covered to clearance department and first limiting plate and second limiting plate downside, and waterproof effect can also be realized when this waterproof watchcase can trompil carries out the FPC via hole, has promoted user's satisfaction.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic hardware structure diagram of an implementation manner of a wearable device according to an embodiment of the present invention;

fig. 2 is a hardware schematic diagram of an implementation of a wearable device according to an embodiment of the present invention;

fig. 3 is a hardware schematic diagram of an implementation of a wearable device according to an embodiment of the present invention;

fig. 4 is a hardware schematic diagram of an implementation of the wearable device according to the embodiment of the present invention;

fig. 5 is a hardware schematic diagram of an implementation of a wearable device according to an embodiment of the present invention;

FIG. 6 is a perspective view of the front of a waterproof case according to an embodiment of the present invention;

FIG. 7 is a perspective view of the back of a waterproof case according to an embodiment of the present invention;

FIG. 8 is an exploded view of a via hole portion of an FPC of a waterproof case provided by an embodiment of the invention;

FIG. 9 is a cross-sectional structural view of a via hole portion of an FPC of a waterproof case provided by an embodiment of the invention;

fig. 10 is a schematic view of the first limit plate and the second limit plate of the waterproof watch case according to the embodiment of the present invention.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.

The wearable device provided by the embodiment of the invention comprises a mobile terminal such as an intelligent bracelet, an intelligent watch, an intelligent mobile phone and the like. With the continuous development of screen technologies, screen forms such as flexible screens and folding screens appear, and mobile terminals such as smart phones can also be used as wearable devices. The wearable device provided in the embodiment of the present invention may include: a Radio Frequency (RF) unit, a WiFi module, an audio output unit, an a/V (audio/video) input unit, a sensor, a display unit, a user input unit, an interface unit, a memory, a processor, and a power supply.

In the following description, a wearable device will be taken as an example, please refer to fig. 1, which is a schematic diagram of a hardware structure of a wearable device for implementing various embodiments of the present invention, where the wearable device 100 may include: RF (radio frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the wearable device structure shown in fig. 1 does not constitute a limitation of the wearable device, and that the wearable device may include more or fewer components than shown, or combine certain components, or a different arrangement of components.

The following describes the various components of the wearable device in detail with reference to fig. 1:

the rf unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, the rf unit 101 may transmit uplink information to a base station, in addition, the downlink information sent by the base station may be received and then sent to the processor 110 of the wearable device for processing, the downlink information sent by the base station to the radio frequency unit 101 may be generated according to the uplink information sent by the radio frequency unit 101, or may be actively pushed to the radio frequency unit 101 after detecting that the information of the wearable device is updated, for example, after detecting that the geographic location where the wearable device is located changes, the base station may send a message notification of the change in the geographic location to the radio frequency unit 101 of the wearable device, and after receiving the message notification, the message notification may be sent to the processor 110 of the wearable device for processing, and the processor 110 of the wearable device may control the message notification to be displayed on the display panel 1061 of the wearable device; typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 may also communicate with a network and other devices through wireless communication, which may specifically include: the server may push a message notification of resource update to the wearable device through wireless communication to remind a user of updating the application program if the file resource corresponding to the application program in the server is updated after the wearable device finishes downloading the application program. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), GPRS (general packet Radio Service), CDMA2000(Code Division Multiple Access2000 ), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex Long Term Evolution), and TDD-LTE (Time Division duplex Long Term Evolution).

In one embodiment, the wearable device 100 may access an existing communication network by inserting a SIM card.

In another embodiment, the wearable device 100 may be configured with an esim card (Embedded-SIM) to access an existing communication network, and by using the esim card, the internal space of the wearable device may be saved, and the thickness may be reduced.

It is understood that although fig. 1 shows the radio frequency unit 101, it is understood that the radio frequency unit 101 does not belong to the essential constituents of the wearable device, and can be omitted entirely as required within the scope not changing the essence of the invention. The wearable device 100 may implement a communication connection with other devices or a communication network through the wifi module 102 alone, which is not limited by the embodiments of the present invention.

WiFi belongs to short-distance wireless transmission technology, and the wearable device can help a user to send and receive e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband Internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the wearable device, and may be omitted entirely as needed within the scope not changing the essence of the invention.

The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the wearable device 100 is in a call signal reception mode, a talk mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the wearable device 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.

The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.

In one embodiment, the wearable device 100 includes one or more cameras, and by turning on the cameras, capturing of images can be realized, functions such as photographing and recording can be realized, and the positions of the cameras can be set as required.

The wearable device 100 also includes at least one sensor 105, such as light sensors, motion sensors, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or the backlight when the wearable device 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer, tapping), and the like.

In one embodiment, the wearable device 100 further comprises a proximity sensor, and the wearable device can realize non-contact operation by adopting the proximity sensor, so that more operation modes are provided.

In one embodiment, the wearable device 100 further comprises a heart rate sensor, which, when worn, enables detection of heart rate by proximity to the user.

In one embodiment, the wearable device 100 may further include a fingerprint sensor, and by reading the fingerprint, functions such as security verification can be implemented.

The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.

In one embodiment, the display panel 1061 is a flexible display screen, and when the wearable device using the flexible display screen is worn, the screen can be bent, so that the wearable device is more conformable. Optionally, the flexible display screen may adopt an OLED screen body and a graphene screen body, in other embodiments, the flexible display screen may also be made of other display materials, and this embodiment is not limited thereto.

In one embodiment, the display panel 1061 of the wearable device may take a rectangular shape to wrap around when worn. In other embodiments, other approaches may be taken.

The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the wearable device. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.

In one embodiment, the side of the wearable device 100 may be provided with one or more buttons. The button can realize various modes such as short-time pressing, long-time pressing, rotation and the like, thereby realizing various operation effects. The number of the buttons can be multiple, and different buttons can be combined for use to realize multiple operation functions.

Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although in fig. 1, the touch panel 1071 and the display panel 1061 are two independent components to implement the input and output functions of the wearable device, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the wearable device, and is not limited herein. For example, when receiving a message notification of an application program through the rf unit 101, the processor 110 may control the message notification to be displayed in a predetermined area of the display panel 1061, where the predetermined area corresponds to a certain area of the touch panel 1071, and perform a touch operation on the certain area of the touch panel 1071 to control the message notification displayed in the corresponding area on the display panel 1061.

The interface unit 108 serves as an interface through which at least one external device is connected to the wearable apparatus 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the wearable apparatus 100 or may be used to transmit data between the wearable apparatus 100 and the external device.

In one embodiment, the interface unit 108 of the wearable device 100 is configured as a contact, and is connected to another corresponding device through the contact to implement functions such as charging and connection. The contact can also be waterproof.

The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

The processor 110 is a control center of the wearable device, connects various parts of the entire wearable device by various interfaces and lines, and performs various functions of the wearable device and processes data by running or executing software programs and/or modules stored in the memory 109 and calling up data stored in the memory 109, thereby performing overall monitoring of the wearable device. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.

The wearable device 100 may further include a power source 111 (such as a battery) for supplying power to various components, and preferably, the power source 111 may be logically connected to the processor 110 through a power management system, so as to implement functions of managing charging, discharging, and power consumption through the power management system.

Although not shown in fig. 1, the wearable device 100 may further include a bluetooth module or the like, which is not described herein. The wearable device 100 can be connected with other terminal devices through Bluetooth, so that communication and information interaction are realized.

Please refer to fig. 2-4, which are schematic structural diagrams of a wearable device according to an embodiment of the present invention. The wearable device in the embodiment of the invention comprises a flexible screen. When the wearable device is unfolded, the flexible screen is in a strip shape; when the wearable device is in a wearing state, the flexible screen is bent to be annular. Fig. 2 and 3 show the structural schematic diagram of the wearable device screen when the wearable device screen is unfolded, and fig. 4 shows the structural schematic diagram of the wearable device screen when the wearable device screen is bent.

Based on the above embodiments, it can be seen that, if the device is a watch, a bracelet, or a wearable device, the screen of the device may not cover the watchband region of the device, and may also cover the watchband region of the device. Here, the present invention provides an optional embodiment, in which the device may be a watch, a bracelet, or a wearable device, and the device includes a screen and a connection portion. The screen can be a flexible screen, and the connecting part can be a watchband. Optionally, the screen of the device or the display area of the screen may partially or completely cover the wristband of the device. As shown in fig. 5, fig. 5 is a hardware schematic diagram of an implementation manner of a wearable device according to an embodiment of the present invention, where a screen of the device extends to two sides, and a part of the screen is covered on a watchband of the device. In other embodiments, the screen of the device may also be completely covered on the watchband of the device, and the embodiment of the present invention is not limited thereto.

First embodiment

In order to solve the problem that when an FPC under a screen of a wearable device in the prior art is connected to a motherboard, a hole needs to be formed in a watch case for passing through the hole, and it is difficult to ensure the waterproof performance of the watch case due to the hole existing in the watch case, this embodiment provides a waterproof watch case for the wearable device, and specifically, as shown in fig. 1 to 5, fig. 1 to 5 are a hardware structure schematic diagram and a hardware schematic diagram of the wearable device provided by this embodiment. Referring to fig. 6, fig. 6 is a perspective view of the front of the waterproof watch case according to the embodiment of the present invention; referring to fig. 7, fig. 7 is a perspective view of a back of a waterproof watch case according to an embodiment of the present invention; referring to fig. 8, fig. 8 is an exploded view of a via hole portion of an FPC of the waterproof watch case according to an embodiment of the present invention; referring to fig. 9, fig. 9 is a cross-sectional structural view of a via hole portion of an FPC of a waterproof case provided in an embodiment of the present invention. This waterproof watchcase includes: an upper case 201, a first limit plate 202, a second limit plate 203 and a waterproof assembly 204.

The upper meter shell 201 is provided with a through hole 205 for FPC via hole, the first limit plate 202 and the second limit plate 203 are attached to the inner side of the upper meter shell 201 and connected with the upper meter shell 201, the first limit plate 201 and the second limit plate 202 are matched to leave a gap 207 for FPC via hole, and the gap 207 is communicated with the through hole 205; after the waterproof assembly is an FPC via hole, the waterproof body is covered at the gap 207 and at the lower sides of the first limiting plate 202 and the second limiting plate 203.

It should be noted that the shapes of the first limiting plate 202 and the second limiting plate 203 are not limited as long as the first limiting plate 202 and the second limiting plate 203 can be matched with each other to leave a gap 207 for the FPC via. For example, referring to fig. 8, in the explosion diagram of the via hole part of the FPC of the waterproof watch case shown in fig. 8, the first limiting plate 202 is an "Contraband" shaped plate, and the second limiting plate 203 is a rectangular plate. For example, referring to fig. 10, fig. 10 is a schematic diagram of a first limiting plate and a second limiting plate of a waterproof watch case provided by an embodiment of the present invention, wherein the second limiting plate 203 is trapezoidal, and the first limiting plate 202 is matched with the second limiting plate 203.

Wherein, first limiting plate 202 and second limiting plate 203 cooperate and leave clearance 207 that is used for the FPC via hole, but clearance 207 width can be designed according to actual need, can design into 0.5mm wide usually.

Furthermore, the surface of the waterproof colloid can be covered with a nano coating. The main components of the nano coating are a perfluoropolyether compound and an electronic grade environment-friendly corrosion-free hydrofluoroether solvent, and a perfluoropolyether compound solution with waterproof and oil-proof properties can form a light, thin and transparent protective film in a soaking mode. The substances are closely combined in a molecular form, and when water meets the coating, the substances are condensed into water drops to roll off, so that the excellent waterproof and moistureproof effects can be realized. The surface of the waterproof colloid can be covered with the nano coating, so that the waterproof effect can be further improved.

The hydrocolloid is formed by dispensing at the gap 207 and under the first limiting plate 202 and the second limiting plate 203 based on a glue-seeping process.

The first limiting plate 202 and the second limiting plate 203 are made of metal, and preferably, the first limiting plate 202 and the second limiting plate 203 are made of aluminum alloy.

It should be noted that the connection manner of the first limiting plate 202, the second limiting plate 203 and the upper shell 201 is not limited, and only the purpose of firm connection needs to be achieved. The first limiting plate 202, the second limiting plate 203 and the upper surface case 201 may be connected by glue. The connection mode of the first limiting plate 202, the second limiting plate 203 and the upper shell 201 can also be welding.

Advantageous effects

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A waterproof watchcase is used for wearable equipment and is characterized by comprising an upper watchcase, a first limiting plate, a second limiting plate and a waterproof assembly, wherein the upper watchcase is provided with a through hole for an FPC (flexible printed circuit) via hole; after the waterproof assembly is an FPC (flexible printed circuit) via hole, the gap and the lower sides of the first limiting plate and the second limiting plate are covered with waterproof colloid.

2. A waterproof watch case according to claim 1 wherein the first limit plate is an "Contraband" shaped plate and the second limit plate is a rectangular plate.

3. The waterproof watch case of claim 2 wherein said first retainer plate and said second retainer plate cooperate to leave a gap for FPC vias that is 0.5mm wide.

4. A waterproof watch case according to claim 1 wherein the surface of the waterproof colloid is covered with a nanocoating.

5. The waterproof watch case according to claim 1, wherein the waterproof colloid is formed by dispensing at the gap and under the first limit plate and the second limit plate based on a glue bleeding process.

6. A waterproof watch case according to any one of claims 1 to 5 wherein the first and second limit plates are of metal.

7. The waterproof watch case of claim 6 wherein said first retainer plate and said second retainer plate are aluminum alloy.

8. A waterproof watch case according to any one of claims 1 to 5 wherein the first retainer, the second retainer and the upper case are connected by adhesive.

9. A waterproof watch case according to any one of claims 1 to 5 wherein the first retainer plate, the second retainer plate and the upper case are connected by welding.

10. A wearable device, characterized in that it comprises a waterproof watch case according to any of claims 1-9.