Mainboard convenient for combination design of SIM (Subscriber Identity Module) card and side key

By integrating the SIM card slot with the physical button, the problems of large space occupation and poor heat dissipation of the smartwatch motherboard are solved, achieving the effects of space saving, improved heat dissipation and reduced cost.

CN223926823UActive Publication Date: 2026-02-17SHENZHEN 3G ELECTRONICS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520541845.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-02-17
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

In current smartwatch motherboard designs, the SIM card and buttons each occupy a separate space, resulting in a large motherboard footprint, which affects heat dissipation and increases material costs.

Method used

The SIM card slot and physical buttons are integrated into a single button card tray, which includes a card tray body, a waterproof card tray bracket, and a spring structure to increase sealing. A clearance groove is also provided on the main board to simplify the assembly process.

Benefits of technology

It enables multi-functional reuse of a single point, saves space, simplifies the assembly process, improves heat dissipation, reduces material costs, and facilitates after-sales maintenance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223926823U_ABST
    Figure CN223926823U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of electronic equipment main boards, and discloses a main board convenient for the combination design of an SIM (Subscriber Identity Module) card and a side key, which comprises a main board body arranged inside a watch main body, an SIM card seat is fixedly mounted at the right lower corner of the surface of the main board body; a key card supporting piece is inserted into the SIM card seat; according to the main board convenient for the combination design of the SIM card and the side keys, the SIM card slot and the physical keys are integrally designed, so that the limitation of one function and one area in the traditional main board layout is broken through, single-point multifunctional multiplexing is realized, the SIM card slot and the physical keys are integrally designed, and the integrated design of the SIM card slot and the physical keys is realized. The assembly process is simplified, the dependence of mainboard installation on precision equipment is reduced, meanwhile, fault parts can be rapidly replaced during after-sale maintenance, more space is provided for the mainboard, heat dissipation channels are increased, the better heat dissipation effect is provided, and the material cost can be reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic equipment mainboard technical field, concretely is a mainboard convenient to SIM card and side button combination design. BACKGROUND

[0002] With the development of mobile communication technology, mobile terminal equipment such as smart watch has become an indispensable tool in people's daily life. In these devices, SIM card as an important component of user identity recognition and information storage, and side button as an important interface of device operation, play a vital role;

[0003] The design of the smart watch mainboard on the market at present, SIM card, necessary power-on key, function button, each function needs to occupy a space position, resulting in the overall mainboard occupies large space, affects the heat dissipation effect, also increases the manufacturing cost of material, so we put forward a kind of mainboard convenient to SIM card and side button combination design to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiency of prior art, the utility model provides a kind of mainboard convenient to SIM card and side button combination design, solve the design of the smart watch mainboard on the market, SIM card, necessary power-on key, function button, each function needs to occupy a space position, resulting in the overall mainboard occupies large space, affects the heat dissipation effect, also increases the manufacturing cost of material problem.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of mainboard convenient to SIM card and side button combination design, including the mainboard body installed in the watch main body interior;

[0006] The surface right lower corner of the mainboard body is fixedly installed with SIM card seat;

[0007] The key card holder is inserted into the SIM card seat;

[0008] The key card holder is integrally designed by SIM card slot and physical button.

[0009] Preferably, the key card holder includes a card holder body and a card holder waterproof bracket fixed to one side of the card holder body, the card holder waterproof bracket is slidably installed with a key card holder cover through a sliding hole, the key card holder cover and the card holder waterproof bracket are fixedly installed with springs arranged symmetrically, and the mainboard body is provided with an avoiding slot on one side.

[0010] The card spring is installed in the SIM card seat and located on one side of the card holder waterproof bracket.

[0011] Preferably, the card holder body and the card holder waterproof bracket are integrally injection molded.

[0012] Preferably, the outer surface of the card holder waterproof support is provided with a mounting groove, the first waterproof rubber sleeve is arranged on the card holder waterproof support, and the first waterproof rubber sleeve is sleeved in the mounting groove of the card holder waterproof support, so that the sealing between the card holder waterproof support and the SIM card seat is increased.

[0013] Preferably, the surface of the key card holder cover is provided with a second mounting groove, the second waterproof rubber sleeve is arranged on the key card holder cover, and the second waterproof rubber sleeve is sleeved in the second mounting groove of the key card holder cover, so that the sealing between the key card holder cover and the card holder waterproof support is increased.

[0014] Advantages

[0015] The utility model provides a mainboard convenient to SIM card and side key combination design compares with prior art has the following advantages:

[0016] The mainboard convenient to SIM card and side key combination design breaks through the limitation of "one function one area" in traditional mainboard layout by integrating the SIM card slot and the physical key, realizes single-point multi-function reuse, simplifies the assembly process, reduces the dependence of mainboard installation on precision equipment, facilitates quick replacement of faulty components during after-sales maintenance, provides more space for the mainboard, increases the heat dissipation channel, provides better heat dissipation effect, and also reduces material cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is whole structure schematic view of the utility model;

[0018] Figure 2 It is whole structure sectional view of the utility model;

[0019] Figure 3 It is mainboard body and SIM card seat structure schematic view of the utility model;

[0020] Figure 4 It is card holder main body structure schematic view of the utility model;

[0021] Figure 5 It is card holder main body structure sectional view of the utility model;

[0022] Figure 6 It is card holder main body structure development view of the utility model.

[0023] In the figure: 101, watch main body; 102, mainboard body; 103, SIM card seat; 2, button card holder; 201, card holder main body; 202, card holder waterproof support; 203, first waterproof rubber sleeve; 204, second waterproof rubber sleeve; 205, spring; 206, button card cover; 207, card spring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] As shown in the figure: Figures 1-6

[0026] A kind of mainboard of SIM card and side button combination design is convenient to, including the mainboard body 102 of installation in watch main body 101 interior;

[0027] The surface right lower corner of mainboard body 102 is fixedly installed with SIM card seat 103;

[0028] SIM card seat 103 is inserted with button card holder 2;

[0029] Button card holder 2 is integrally designed by SIM card slot and physical button;

[0030] Button card holder 2 includes card holder main body 201 and the waterproof support 202 of card holder of fixed in one side of card holder main body 201, card holder main body 201 and waterproof support 202 integrally injection molding design, waterproof support 202 is slidably installed with button card cover 206 by the sliding hole of setting, button card cover 206 and waterproof support 202 between fixedly installed with the spring 205 of symmetry arrangement, the side of mainboard body 102 is provided with avoiding slot;

[0031] The outer surface of waterproof support 202 is provided with installation groove, waterproof support 202 is provided with first waterproof rubber sleeve 203, first waterproof rubber sleeve 203 is sleeved in the installation groove of waterproof support 202 setting, for increasing the sealing property between waterproof support 202 and SIM card seat 103 by first waterproof rubber sleeve 203;

[0032] The surface of button card cover 206 is provided with second installation groove, button card cover 206 is provided with second waterproof rubber sleeve 204, second waterproof rubber sleeve 204 is sleeved in the second installation groove of button card cover 206 setting, for increasing the sealing property of button card cover 206 and waterproof support 202 connection.​

[0033] The SIM card spring 207 is installed inside the SIM card seat 103 and on one side of the waterproof bracket 202 of the card holder body 201, used to fix the SIM card and prevent the SIM card from moving during operation.

[0034] In this embodiment: the main board body 102 is installed inside the watch main body 101 as the basic structure to carry electronic components, the SIM card seat 103 is welded on the surface of the main board body 102 for accommodating and fixing the SIM card, and the card holder body 201 is inserted into the SIM card seat 103 until the card holder body 201 is clamped on the fixed position of the SIM card seat 103;

[0035] The card holder body 201 is inserted into the SIM card seat 103 in a connection and locking manner, and the connection manner of the mobile phone card holder body 201 and the SIM card seat 103 is the same as the prior art, which is not described one by one.

[0036] The card holder body 201 and the waterproof bracket 202 of the card holder are integrally injection molded to provide structural strength and waterproof function.

[0037] When the user presses the button card cover 206, the button card cover 206 returns to the original position by the restoring force of the spring 205, and the pressing of the button card cover 206 can realize the on-off operation of the watch, the first waterproof rubber sleeve 203 and the second waterproof rubber sleeve 204 provide double sealing to prevent water from entering the inside of the watch, and the SIM card spring 207 ensures that the SIM card always maintains the correct position and contact during the operation of the watch.

[0038] This scheme is aimed at the pain point of limited internal space height of the smart watch, and breaks through the limitation of "one function one area" in the traditional main board layout by integrating the SIM card slot and the physical button, realizes single-point multi-function reuse, simplifies the assembly process, reduces the dependence of main board installation on precision equipment, and facilitates quick replacement of faulty parts during after-sales maintenance, provides more space for the main board, increases the heat dissipation channel, provides better heat dissipation effect, and also reduces the material cost.

[0039] It should be noted that: in the traditional design, the SIM card slot and the button each occupy an area of about 5-8 mm2, and after integration, at least 10 mm2 of space can be saved at a single point;

[0040] It should be noted that: the design of the avoidance groove can make the distance between the center point of the button DOME and the card hole of the card holder body 201 closer, so that the button card cover 206 can be made narrower, further reducing the use of space, and the appearance design freedom is larger.

[0041] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

Claims

1. A motherboard that facilitates the combination of a SIM card and side buttons, characterized in that: Including the mainboard (102) installed inside the watch body (101); A SIM card slot (103) is fixedly installed on the lower right corner of the surface of the motherboard body (102); A keypad card holder (2) is inserted into the SIM card slot (103); The keypad holder (2) is designed as an integrated unit of the SIM card slot and the physical keypad.

2. The motherboard according to claim 1, which facilitates the combination design of SIM card and side button, is characterized in that: The keypad holder (2) includes a holder body (201) and a waterproof holder bracket (202) fixed to one side of the holder body (201). The waterproof holder bracket (202) has a keypad holder cover (206) slidably mounted on it through a sliding hole. A symmetrically arranged spring (205) is fixedly installed between the keypad holder cover (206) and the waterproof holder bracket (202). A retaining ring (207) is installed inside the SIM card holder (103) and on one side of the card tray waterproof bracket (202), and an clearance groove is provided on one side of the main board body (102).

3. The motherboard according to claim 2, which facilitates the combination design of SIM card and side button, is characterized in that: The card holder body (201) and the card holder waterproof bracket (202) are integrally injection molded.

4. The motherboard according to claim 2, which facilitates the combination design of SIM card and side button, is characterized in that: The outer surface of the card tray waterproof bracket (202) is provided with an installation groove, and a first waterproof sleeve (203) is provided on the card tray waterproof bracket (202). The first waterproof sleeve (203) is fitted into the installation groove of the card tray waterproof bracket (202) and is used to increase the sealing between the card tray waterproof bracket (202) and the SIM card holder (103).

5. The motherboard according to claim 2, which facilitates the combination design of SIM card and side button, is characterized in that: The surface of the keypad cover (206) is provided with a second mounting groove, and a second waterproof sleeve (204) is provided on the keypad cover (206). The second waterproof sleeve (204) is fitted into the second mounting groove of the keypad cover (206) to increase the sealing of the connection between the keypad cover (206) and the waterproof bracket (202).