Wristwatch type health monitoring device
By using a waterproof module and a button-contact housing design, the problem of material reusability in existing technologies is solved, enabling easy disassembly and installation, reducing maintenance costs, and meeting waterproof requirements.
Patent Information
- Application Number
- CN202423128616.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Existing waterproof smart wearable devices mostly use adhesive dispensing, which makes the materials difficult to reuse, results in low maintainability, and high maintenance costs.
It uses a waterproof module in conjunction with the buttons, and is waterproofed by contacting the casing. The buttons and waterproof rings are detachable, making it easy to install and maintain, and the materials are reusable.
It facilitates disassembly and installation, reduces maintenance costs, meets waterproof requirements, and improves the reusability of materials.
Smart Images

Figure CN223886891U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to intelligent wearing equipment technical field, concretely relates to a wrist watch formula health monitoring device. BACKGROUND
[0002] The intelligent wearing equipment is a kind of equipment that can detect the health of human body, feedback detection data in time and be convenient for user to wear, now, it is integrated time display, message notification, heart rate monitoring, blood pressure monitoring and other functions, specifically, the PPG sensor of device can detect the heart rate, blood pressure, blood pressure, HRV, stress and other data of human body, and it is convenient for user to use;Due to the need of use scene, such as bathing, swimming and other scenes, user also has the demand of wearing intelligent equipment, therefore gradually develop the intelligent wearing equipment with waterproof function;But the intelligent wearing equipment with waterproof function in prior art, more waterproof design adopts the dispensing way, the waterproof mode is not conducive to material reuse, and the maintainability is lower, and the working hour cost is higher;Therefore, it is necessary to develop a wrist watch formula health monitoring device. CONTENT OF UTILITY MODEL
[0003] The utility model aims at providing a wrist watch formula health monitoring device to solve the above technical problems, the waterproof module cooperates with the key to use, and the waterproof is carried out by the way of abutting the shell, which is convenient for disassembly and installation, the material can be reused, easy to maintain, reduce maintenance cost, and the abutting way of waterproof module to shell can effectively meet the requirement of waterproof.
[0004] To realize the above-mentioned utility model purposes, the technical solutions adopted by the utility model are as follows:
[0005] A wrist watch formula health monitoring device, including shell, the key that is movably connected with shell, the waterproof module that cooperates with the key to abut the shell and prevent water. Waterproof module cooperates with the key to use, and the waterproof is carried out by the way of abutting the shell, which is convenient for disassembly and installation, the material can be reused, easy to maintain, reduce maintenance cost, and the abutting way of waterproof module to shell can effectively meet the requirement of waterproof.
[0006] Preferably, the waterproof module includes a first waterproof ring sleeved on one end of the key, and the outer periphery of the first waterproof ring abuts the shell. The first waterproof ring is fixed on one end of the key by sleeving, and the outer periphery of the first waterproof ring abuts the shell. When maintenance is needed, the key is pulled out to drive the first waterproof ring out of the shell, and the sleeving state of the key and the first waterproof ring is further released. This connection method is convenient for disassembly and installation, the material can be reused, easy to maintain, reduce maintenance cost, and the abutting way of waterproof module to shell can effectively meet the requirement of waterproof.
[0007] Preferably, the shell is provided with a mounting frame, and a first assembly hole is arranged on the mounting frame;
[0008] The key comprises a key body and a connecting end connected with the key body; the first waterproof ring is sleeved on the connecting end, and the outer periphery of the first waterproof ring abuts against the first assembly hole. The connecting end, the first waterproof ring and the first assembly hole are arranged in layers from the inside to the outside. The key, the first waterproof ring and the first assembly hole are arranged in groups and one group or more groups are arranged, and two groups are arranged in the technical solution. In the axial direction of the key body, the length of the first assembly hole is greater than the length of the axial movable stroke of the first waterproof ring. The first assembly hole is arranged, and the inner surface of the first assembly hole abuts against the outer periphery of the first waterproof ring. During the pressing of the key, the outer periphery of the first waterproof ring continuously abuts against the inner surface of the first assembly hole to meet the waterproof effect of the installation position of the key. The first waterproof ring is arranged on the connecting end of the key and has a certain distance from the key body. The connecting end has a certain extension distance. When maintenance is required, the key is pulled out, the connecting end is driven to make the first waterproof ring come out of the first assembly hole, and the sleeving state of the key and the first waterproof ring is further released. This kind of connection mode is convenient for disassembly and installation, the materials can be reused, maintenance is facilitated, maintenance cost is reduced, and the waterproof requirement can be effectively met by abutting the waterproof module against the shell.
[0009] Preferably, the connecting end is provided with a first groove, and the first waterproof ring is arranged on the first groove. The first groove is arranged to facilitate the installation and positioning of the first waterproof ring, so that the first waterproof ring can move with the connecting end. During the movement of the key, the first waterproof ring keeps abutting against the first assembly hole to meet the waterproof requirement. The first groove is arranged to facilitate the disassembly and installation of the first waterproof ring, the material reuse rate is high, the first waterproof ring and the first groove are independent after the connection between the first waterproof ring and the first groove is released, and the first waterproof ring and the first groove are reconnected when assembly is required again. Since the first groove is arranged, the installation position of the first waterproof ring is easy to determine, and the movement path of the first waterproof ring during the waterproof operation in the first assembly hole is constant, so that the waterproof effect is not affected by the excessive movement stroke.
[0010] Preferably, one end of the connecting end is provided with a first limiting block which can abut against the end of the mounting frame away from the key body to limit the stroke. The first limiting block is specifically a spring piece. The first limiting block is arranged to limit the stroke of the connecting end by abutting against the mounting frame, so that the stroke of the key can be effectively limited, the first waterproof ring is prevented from moving out of the effective abutting range of the first assembly hole, and the operation stability of the key is improved.
[0011] Preferably, one end of the connecting end is provided with a second groove, and the first limiting block and the second groove are embedded in each other.
[0012] The first limiting block is arranged in the axial direction of the connecting end, and the width of the first limiting block is greater than the width of the first assembly hole. The first limiting block and the second groove body are connected in a fitting mode, facilitating installation and disassembly and maintenance. When installation is required, the second groove body and the first limiting block are fitted, and the installation mode is simple. When disassembly is required, the first limiting block is separated from the second groove body, and the connecting end can be separated from the first assembly hole, and the disassembly mode is simple, the material can be reused, and the maintenance cost is reduced.
[0013] Preferably, the key body is connected with the first spring on the side close to the first waterproof ring, and the other end of the first spring is in contact with the mounting frame. The key body is provided with a connecting frame connected with the first spring, one end of the first spring is in contact with the inner surface of the connecting frame, and the circumferential direction of the first spring is limited by the inner surface of the connecting frame. The mounting frame is provided with a fitting groove matched with the shape of the connecting frame, so that the connecting frame and the fitting groove are fitted during the compression of the first spring when the key is pressed, and the shaking of the key is avoided. The shell is fixedly provided with a key FPC at the end of the axial projection of the connecting end, and the end of the connecting end faces the key FPC, so that the end of the connecting end can be in contact with the key FPC by pressing the key body. The first spring is provided, and after the key is pressed, the first spring is compressed. After the pressing of the key is released, the first spring releases the elastic force to move the key back to the initial state after being pressed.
[0014] Preferably, the shell comprises a middle frame and a rear cover connected with each other, and the second waterproof ring is arranged in contact between the middle frame and the rear cover. The mounting frame and the first assembly hole are arranged on the middle frame, and the second waterproof ring is arranged in contact between the middle frame and the rear cover, and the two are connected in a contact mode, facilitating disassembly and installation, material reuse, maintenance, cost reduction, and effectively meeting the waterproof requirement.
[0015] Preferably, the middle frame is provided with a first connecting hole, the rear cover is provided with a second connecting hole, and the first connecting hole and the second connecting hole are connected with a screw;
[0016] The first connecting hole and the second connecting hole are arranged in one or more groups. In this technical solution, four groups are arranged. The first connecting hole and the second connecting hole are connected by a screw, so that the middle frame and the rear cover are in a connected state, the second waterproof ring is arranged in contact between the middle frame and the rear cover, the connection mode is simple and easy to implement, the screw is used for fixation, production is facilitated, and production cost is low.
[0017] Preferably, the rear cover is connected with a PPG sensor module lens on the side away from the middle frame.
[0018] The first glue layer is specifically water-logged foam glue, the water-logged foam glue is arranged in a local penetrating state at the position where the rear cover is connected with the PPG sensor module lens, and the water-logged foam glue is annular; the light source of the PPG sensor module can penetrate and pass through the PPG sensor module lens to the outside; the first glue layer arranged between the PPG sensor module lens and the rear cover can effectively avoid the problem of low maintainability of the point gluing mode in the prior art;
[0019] The application achieves beneficial technical effects:
[0020] The waterproof module is used in cooperation with the key, and the waterproof mode of abutting against the shell is adopted, so that the waterproof module is convenient to disassemble and install, the material can be reused, maintenance is facilitated, maintenance cost is reduced, the waterproof requirement can be effectively met by the abutting mode of the waterproof module against the shell. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 Fig. 1 is a structural schematic diagram of the utility model;
[0022] Figure 2 Fig. 2 is another structural schematic diagram of the utility model;
[0023] Figure 3 Fig. 3 is an exploded structural schematic diagram of the utility model;
[0024] Figure 4 Fig. 4 is another exploded structural schematic diagram of the utility model;
[0025] Figure 5 Fig. 5 is a front view structural schematic diagram of the utility model;
[0026] Figure 6 Fig. 6 is a top view structural schematic diagram of the utility model;
[0027] Figure 7 Fig. 7 is an A-A sectional view structural schematic diagram of the utility model; Figure 6
[0028] Figure 8 Fig. 8 is an exploded structural schematic diagram of the key and the first waterproof ring;
[0029] Figure 9 Fig. 9 is a structural schematic diagram of connecting an external power supply.
[0030] LIST OF REFERENCE NUMERALS
[0031] 1 - case; 2 - button; 3 - first waterproof ring; 111 - mounting frame; 112 - first assembly hole; 21 - button body; 22 - connecting end; 221 - first slot; 222 - first limiting block; 223 - second slot; 211 - first spring; 212 - connecting frame; 1111 - fitting slot; 23 - button FPC; 11 - middle frame; 12 - back cover; 113 - first connecting hole; 121 - second connecting hole; 14 - screw; 15 - PPG sensor module lens; 16 - first adhesive layer; 17 - watch outer shadow ring; 31 - display screen; 32 - phone card holder; 114 - third slot; 321 - third waterproof ring; 33 - drive mainboard; 34 - motor; 35 - loudspeaker; 37 - battery; 36 - PPG sensor module; 351 - dustproof net; 361 - silica gel ring; 362 - double-sided adhesive tape; 363 - third connecting hole; 122 - first connecting column; 123 - magnet; 124 - metal thimble; 4 - connector. DETAILED DESCRIPTION
[0032] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, specific embodiments of the present application will be described below with reference to the drawings. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor, and other embodiments can also be obtained.
[0033] The technical solutions of the present application will be described in detail below with specific embodiments.
[0034] Referring to Figures 1 to 9 A wristwatch type health monitoring device, as shown in the drawings, comprises a case 1, a button 2 movably connected with the case 1, and a waterproof module cooperating with the button 2 to resist the case 1 for waterproofing. The waterproof module cooperates with the button 2 for use, and at the same time adopts the mode of resisting the case 1 for waterproofing, which is convenient for disassembly and installation, material can be reused, convenient for maintenance, reduces maintenance cost, and the mode of resisting the case 1 by the waterproof module can effectively meet the waterproofing requirement.
[0035] The waterproof module comprises a first waterproof ring 3 sleeved on one end of the button 2, and the outer periphery of the first waterproof ring 3 resists the case 1. The first waterproof ring 3 is fixed on one end of the button 2 in a sleeved manner, and the outer periphery of the first waterproof ring 3 resists the case 1. When maintenance is needed, the button 2 is pulled out and the first waterproof ring 3 is pulled out of the case 1, and the sleeving state of the button 2 and the first waterproof ring 3 is further released. This kind of connection mode is convenient for disassembly and installation, material can be reused, convenient for maintenance, reduces maintenance cost, and the mode of resisting the case 1 by the waterproof module can effectively meet the waterproofing requirement.
[0036] The shell 1 is provided with a mounting frame body 111, a first assembly hole 112 provided on the mounting frame body 111;
[0037] The key 2 includes a key body 21 and a connecting end 22 connected with the key body 21; the first waterproof ring 3 is sleeved on the connecting end 22, and the outer periphery of the first waterproof ring 3 abuts against the first assembly hole 112. The cross section of the connecting end is circular; the connecting end 22, the first waterproof ring 3 and the first assembly hole 112 are arranged in layers from inside to outside. The key 2, the first waterproof ring 3 and the first assembly hole 112 are arranged in groups and one group or more groups are arranged, and two groups are arranged in the technical solution. In the axial direction of the key body 21, the length of the first assembly hole 112 is greater than the length of the axial movable stroke of the first waterproof ring 3; the first assembly hole 112 is arranged, and the inner surface of the first assembly hole 112 abuts against the outer periphery of the first waterproof ring 3. During the pressing of the key 2, the outer periphery of the first waterproof ring 3 continuously abuts against the inner surface of the first assembly hole 112 to meet the waterproof effect of the installation position of the key 2. The first waterproof ring 3 is arranged on the connecting end 22 of the key 2 and has a certain distance from the key body 21, and the connecting end 22 has a certain extension distance. When maintenance is needed, the key 2 is pulled out, the connecting end 22 is driven to make the first waterproof ring 3 come out of the first assembly hole 112, and the sleeving state of the key 2 and the first waterproof ring 3 is further released. This kind of connection mode is convenient for disassembly and installation, the materials can be reused, maintenance is convenient, maintenance cost is reduced, and the abutting mode of the waterproof module against the shell 1 can effectively meet the waterproof requirement.
[0038] The connecting end 22 is provided with a first groove body 221, and the first waterproof ring 3 is arranged on the first groove body 221. The first groove body 221 is arranged to facilitate the installation and positioning of the first waterproof ring 3, so that the first waterproof ring 3 can move with the connecting end 22. During the movement of the key 2, the first waterproof ring 3 abuts against the first assembly hole 112 to meet the waterproof requirement. At the same time, the first groove body 221 is arranged to facilitate the disassembly and installation of the first waterproof ring 3, the material reuse rate is high, the first waterproof ring 3 and the first groove body 221 are independent after the connection between them is released, and the first waterproof ring 3 and the first groove body 221 are reconnected when assembly is needed again. Because the first groove body 221 is arranged, the installation position of the first waterproof ring 3 is easy to determine, the movement path of the first waterproof ring 3 during the waterproof operation is in a constant path state in the first assembly hole 112, and the waterproof effect is not affected by the excessive movement stroke.
[0039] The one end of the connecting end 22 is provided with a first limiting block 222 capable of limiting the stroke by abutting against the end of the mounting frame body 111 away from the key body 21. The first limiting block is a spring sheet. The first limiting block 222 is arranged to limit the stroke of the connecting end 22 by abutting against the mounting frame body 111, which can effectively limit the stroke of the key 2, avoid the key from being pulled out or the first waterproof ring 3 from moving out of the effective abutting range of the first assembly hole 112, and improve the operation stability of the key.
[0040] The one end of the connecting end 22 is provided with a second slot 223, and the first limiting block 222 and the second slot 223 are mutually embedded.
[0041] The width of the first limiting block 222 is greater than the width of the first assembly hole 112 in the axial direction of the connecting end 22. The first limiting block 222 and the second slot 223 are connected by embedding, which facilitates installation or disassembly and maintenance. When installation is required, the first limiting block 222 and the second slot 223 are embedded, and the installation method is simple. When disassembly is required, the first limiting block 222 is separated from the second slot 223, and the connecting end 22 can be pulled out relative to the first assembly hole 112, and the disassembly method is simple, the materials can be reused, and the maintenance cost is reduced.
[0042] The key body 21 is connected to the first spring 211 on the side close to the first waterproof ring 3, and the other end of the first spring 211 abuts against the mounting frame body 111. The key body 21 is provided with a connecting frame 212 connected to the first spring 111, one end of the first spring 211 abuts against the inner surface of the connecting frame 212, and the first spring 211 is limited in the circumferential direction by the inner surface of the connecting frame 212. The mounting frame body 111 is provided with an embedded slot 1111 matched in shape with the connecting frame 212, which facilitates the embedding of the connecting frame 212 and the embedded slot 1111 during the compression of the first spring 211 when the key 2 is pressed, and avoids the shaking of the key 2. The shell 1 is fixedly provided with a key FPC 23 at the end of the axial projection of the connecting end 22, and the end of the connecting end 22 is arranged towards the key FPC 23, which can be operated by abutting against the key FPC 23 by pressing the key body 21. The first spring 211 is arranged to be compressed after the key 2 is pressed, and the first spring 211 releases the elastic force to move the key 2 back to the initial state after the pressing of the key 2 is released.
[0043] The shell 1 comprises a middle frame 11 and a back cover 12 connected with each other, and a second waterproof ring 13 is arranged in abutment between the middle frame 11 and the back cover 12.
[0044] The middle frame 11 is provided with a first connecting hole 113, and the back cover 12 is provided with a second connecting hole 121, and a screw 14 is arranged in the first connecting hole 113 and the second connecting hole 121.
[0045] The first connecting hole 113 and the second connecting hole 121 are arranged in one or more groups. In the technical solution, four groups are arranged, which facilitates disassembly; the first connecting hole 113 and the second connecting hole 121 are connected by the screw 14, so that the middle frame 11 and the back cover 12 are in a connected state, and the second waterproof ring 13 is arranged in abutment between the middle frame 11 and the back cover 12. This connection mode is simple and easy to implement, and the screw is used for fixation, which facilitates production and reduces production cost.
[0046] The back cover 12 is connected with a PPG sensor module lens 15 away from the middle frame 11.
[0047] A first adhesive layer 16 is arranged between the PPG sensor module lens 15 and the back cover 12. The first adhesive layer 16 is specifically water-logged foam adhesive, and the part where the back cover 12 is connected with the PPG sensor module lens 15 and the part where the water-logged foam adhesive is arranged are in a locally penetrating state, and the water-logged foam adhesive is annular. This facilitates the light source of the PPG sensor module to penetrate and pass through the PPG sensor module lens 15 to the outside. The first adhesive layer 16 arranged between the PPG sensor module lens 15 and the back cover 12 effectively avoids the problem of low maintainability in the prior art caused by the dispensing mode.
[0048] The shell 1 further comprises a watch outer bezel 17 connected with the middle frame 11, wherein the watch outer bezel 17, the middle frame 11 and the back cover 12 are sequentially arranged, and a display screen 31 is arranged between the middle frame 11 and the watch outer bezel 12.
[0049] The middle frame 11 is provided with a third groove 114 in which a phone card holder 32 is embeddedly connected, the phone card holder 32 is provided with a third waterproof ring 321, and the outer periphery of the third waterproof ring 321 is in abutment with the surface of the third groove 114.
[0050] The middle frame 11 is provided with a driving mainboard 33, a motor 34, a loudspeaker 35, a battery 37 and a PPG sensor module 36. The loudspeaker 35 is provided with a dustproof net 351, and the middle frame 11 is provided with a plurality of through holes 115 at the position where the loudspeaker 35 is arranged, and the dustproof net 351 is arranged at the through holes 115.
[0051] The PPG sensor module 36 is provided with a silica gel ring 361 on one side of the PPG sensor module lens 15;
[0052] The PPG sensor module 36 is provided with double-sided adhesive tape 362 connected with the back cover 12, and the double-sided adhesive tape 362 is in a hollow state to avoid blocking the effective working structure of the PPG sensor module 36;
[0053] The PPG sensor module 36 is provided with a third connecting hole 363 on the outer periphery, and the back cover 12 is provided with a first connecting column 122 embedded in the third connecting hole 363;
[0054] The back cover 12 is fixedly provided with a magnet 123, and the magnet 123 is arranged in groups;
[0055] The back cover 12 is provided with a metal thimble 124 penetrating to the outside, and the metal thimble 124 is electrically connected with an external power supply to charge, and the magnet 123 is arranged to facilitate the magnetic attraction of the joint 4 of the external power supply.
[0056] The metal thimble 124, the PPG sensor module 36, the motor 34, the loudspeaker 35, the battery 37, the key FPC 23 and the display screen 31 are electrically connected with the driving mainboard 33.
[0057] The middle frame 11 is connected with a watchband to facilitate the user to wear.
[0058] The technical solution can reduce the production and assembly cost, improve the production capacity, and realize mass production. The structure design facilitates maintenance and reuse of materials, and reduces maintenance cost.
[0059] The technical features of the above-described embodiments can be combined in any manner. To make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, but as long as the combinations of the technical features do not exist, they should be considered as the scope of the description.
[0060] The above-described embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, some modifications and improvements can be made, which are within the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.
[0061] The above has carried out the detailed elaboration to the embodiment of the wristwatch type health monitoring device provided by the utility model. The principle and implementation mode of the utility model are described by applying specific examples in this paper, and the above embodiment description is only used for helping understanding the core idea of the utility model. It should be pointed out that, for ordinary skilled person in the art, without departing from the principle of the utility model, the utility model can be improved and modified, and these improvements and modifications also fall within the protection scope of the utility model claim.
Claims
1. A wristwatch-style health monitoring device, characterized in that, Includes a housing (1), a button (2) movably connected to the housing (1), and a waterproof module that works with the button (2) to prevent the housing (1) from coming into contact with water and to prevent water from entering. The waterproof module includes a first waterproof ring (3) fitted onto one end of the button (2), and the outer periphery of the first waterproof ring (3) abuts against the housing (1).
2. The wristwatch-style health monitoring device according to claim 1, characterized in that, The housing (1) is provided with a mounting frame (111) and a first mounting hole (112) on the mounting frame (111); The button (2) includes a button body (21) and a connecting end (22) connected to the button body (21); the first waterproof ring (3) is sleeved on the connecting end (22), and the outer periphery of the first waterproof ring (3) abuts against the first mounting hole (112).
3. The wristwatch-style health monitoring device according to claim 2, characterized in that, The connecting end (22) is provided with a first groove (221), and the first waterproof ring (3) is installed on the first groove (221).
4. The wristwatch-style health monitoring device according to claim 2, characterized in that, One end of the connecting end (22) is provided with a first limiting block (222) that can abut against the end of the mounting frame (111) away from the button body (21) to limit the travel.
5. The wristwatch-style health monitoring device according to claim 4, characterized in that, One end of the connecting end (22) is provided with a second groove (223), and the first limiting block (222) and the second groove (223) are fitted together; Projected along the axial direction of the connecting end (22), the width of the first limiting block (222) is greater than the width of the first assembly hole (112).
6. The wristwatch-style health monitoring device according to claim 2, characterized in that, The button body (21) is connected to a first spring (211) on the side near the first waterproof ring (3), and the other end of the first spring (211) abuts against the mounting frame (111).
7. The wristwatch-style health monitoring device according to claim 1, characterized in that, The housing (1) includes a middle frame (11) and a rear cover (12) that are connected to each other; a second waterproof ring (13) is provided between the middle frame (11) and the rear cover (12).
8. The wristwatch-style health monitoring device according to claim 7, characterized in that, The middle frame (11) is provided with a first connecting hole (113), and the rear cover (12) is provided with a second connecting hole (121). The first connecting hole (113) and the second connecting hole (121) are connected by screws (14). The first connecting hole (113) and the second connecting hole (121) are arranged in one or more groups.
9. The wristwatch-style health monitoring device according to claim 7, characterized in that, The rear cover (12) is connected to the PPG sensor module lens (15) on the side away from the middle frame (11); A first adhesive layer (16) is provided between the lens (15) of the PPG sensor module and the back cover (12).
10. The wristwatch-style health monitoring device according to claim 7, characterized in that, The middle frame (11) is provided with a third groove (114) for fitting and connecting the phone card tray (32), and the phone card tray (32) is provided with a third waterproof ring (321), the outer periphery of which abuts against the surface of the third groove (114).