Double-layer TF card
By installing SLM cards on the TF card and setting through holes, combined with the design of sliding lever and reset spring, the problem of the SIM card slot and the TF card slot occupying the same space in Android phones is solved, and the simultaneous use and flexible maintenance of the TF card and SIM card are achieved.
Patent Information
- Application Number
- CN202421543581.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-02
AI Technical Summary
In the existing Android phone design, the SIM card slot and the TF card slot occupy the same space, resulting in users having difficulty choosing to insert 2 SIM cards or insert TF cards.
A double-layer TF card is designed. By installing the SLM card on the TF card and setting a through hole, the contact point of the SIM card is exposed, making it easy to connect; at the same time, through the cooperation of the sliding lever and the return spring, flexible replacement and maintenance of the SIM card is achieved.
It realizes the simultaneous use of TF card and SIM card. Users can insert two SIM cards at the same time or insert TF card, and the designed structure is convenient for repair and replacement.
Smart Images

Figure CN222850948U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of TF cards, in particular to a double-layer TF card. Background Art
[0002] TF card, also known as microSD, is a very small flash memory card. This card is mainly used in mobile phones. However, due to its small size, it has been gradually used in GPS devices, portable music players and some flash memory disks as its capacity continues to increase. Its size is 15mm x 11mm x 1mm, which is equivalent to the size of a fingernail. It is the smallest memory card at present and can also be connected to the SD card slot with an adapter. SIM card is a user identification card for digital cellular mobile phones. Its full name is Subscriber Identity Module. In the GSM digital mobile phone system, SIM card plays an extremely important role. It is not only an important part of the mobile phone, but also an identity card for every GSM mobile phone user. Therefore, SIM card realizes the idea of recognizing people but not machines.
[0003] Most of the current Android phone manufacturers use a design in which the SIM card slot and the TF card slot occupy the same space. At this time, mobile phone users are faced with a difficult choice between two options: either give up the TF card in the phone card slot and insert two SIM cards at the same time; or insert a TF card in the phone but only one SIM card can be inserted. Utility Model Content
[0004] The purpose of the present invention is to provide a double-layer TF card to solve at least any one of the problems mentioned in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double-layer TF card, comprising a TF card, a mounting groove is penetrated and provided at the middle position of the top of the TF card near the rear end, a SIM card slot is penetrated and provided at the middle position of the bottom inner wall of the mounting slot, a slide groove is penetrated and provided at the rear end of the top of both sides of the mounting slot, a clamping groove is penetrated and provided at the middle position of the front end of the mounting slot, an SLM card is provided on the inner wall of the SIM card slot, a connecting plate is slidably connected to the inner wall of the mounting slot, a fixing groove is penetrated and provided at the middle position of the top rear end of the connecting plate near the two sides, a reset spring is fixedly connected to the adjacent sides of the inner walls of the two fixing grooves, a toggle plate is fixedly connected to the opposite sides of the two reset springs, a sliding rod is fixedly connected to the opposite sides of the two toggle plates, a sliding rod is penetrated and provided at the opposite sides of the two sliding rods, a through hole is penetrated and provided at the middle position of the top of the connecting plate, and a clamping plate is fixedly connected to the middle position of the rear end of the connecting plate near the two sides.
[0006] Preferably, a cushion block is fixedly connected to the rear end of the bottom of the inner wall of the installation groove.
[0007] Preferably, a TF card contact point is provided at the front end of the bottom of the TF card.
[0008] Preferably, a SIM card contact point is provided at the top rear end of the SIM card.
[0009] Preferably, a buckle groove is provided through the middle of the top of the connecting plate near the front end.
[0010] The beneficial effects of the utility model are as follows:
[0011] 1. In the present invention, a double-layer structure is formed by installing the SLM card on the TF card, and the SIM card contact points on the fixed SIM card are exposed through the through holes, so that the SIM card contact points are connected to the contacts in the mobile phone.
[0012] 2. In the present invention, the connecting plate is pushed backwards and the sliding rod slides in the sliding groove, so that the card-connecting plate is disengaged from the card-connecting groove. At this time, the connecting plate can be rotated to facilitate replacement of the SIM card.
[0013] 3. In the present invention, when maintenance is required, the toggle plate in the fixed groove can be pressed to move to the adjacent side, so that the sliding rod is stored from the sliding groove to the fixed groove. At this time, the connecting plate can be taken out from the installation groove to facilitate maintenance of the TF card and the SIM card. After maintenance, the above operation is reversed, and then the sliding rod is reset in the sliding groove by the reset spring to complete the installation. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0015] Figure 2 This is a top view of the TF card of the utility model;
[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of the connecting plate of the utility model;
[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the installation slot of the utility model.
[0018] In the figure: 1. TF card; 2. TF card contact point; 3. Installation slot; 4. Through hole; 5. Cushion block; 6. Connecting plate; 7. SIM card contact point; 8. SIM card; 9. Slide slot; 10. SIM card slot; 11. Snap-in slot; 12. Snap-in plate; 13. Fixed slot; 14. Reset spring; 15. Toggle plate; 16. Sliding rod. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] The utility model provides Figure 1-4 A double-layer TF card is shown, comprising a TF card 1, wherein a mounting groove 3 is penetrated and provided at a rear end position in the middle of the top of the TF card 1, a SIM card slot 10 is penetrated and provided at a middle position of the bottom of the inner wall of the mounting groove 3, a slide groove 9 is penetrated and provided at the rear end of both sides of the top of the mounting groove 3, a clamping groove 11 is penetrated and provided at the middle of the front end of the mounting groove 3, an SLM card 8 is provided on the inner wall of the SIM card slot 10, a connecting plate 6 is slidably connected to the inner wall of the mounting groove 3, a fixing groove 13 is penetrated and provided at the middle of the top rear end of the connecting plate 6 at both sides, a return spring 14 is fixedly connected to the adjacent sides of the inner walls of the two fixing grooves 13, a toggle plate 15 is fixedly connected to the opposite sides of the two return springs 14, a sliding rod 16 is fixedly connected to the opposite sides of the two toggle plates 15, and the two sliding rods 16 penetrate the connecting plate 6 at the opposite sides and are slidably connected to the slide groove 9, a through hole 4 is penetrated and provided at the middle position of the top of the connecting plate 6, and a clamping plate 12 is fixedly connected to the middle of the rear end of the connecting plate 6 at both sides.
[0021] By installing the SLM card on the TF card 1, a double-layer structure is formed, and the through hole 4 is used to expose the SIM card contact point 7 on the fixed SIM card 8, so that the SIM card contact point 7 is connected to the contact in the mobile phone. By shifting the connecting plate 6 backward and sliding the sliding rod 16 in the slide groove 9, the card plate 12 is disengaged from the card groove 11. At this time, the connecting plate 6 can be rotated to facilitate the replacement of the SIM card 8. When maintenance is required, the shifting plate 15 in the fixed groove 13 can be pressed to move to the adjacent side, so that the sliding rod 16 is stored from the slide groove 9 to the fixed groove 13. At this time, the connecting plate 6 can be taken out from the installation groove 3 to facilitate the maintenance of the TF card 1 and the SIM card 8. After maintenance, the above operation is reversed, and then the sliding rod 16 is reset in the slide groove 9 by the reset spring 14 to complete the installation.
[0022] A cushion block 5 is fixedly connected to the rear end of the bottom of the inner wall of the installation groove 3 .
[0023] The spacer block 5 facilitates covering the portion of the connecting plate 6 that is not covered by the mounting groove 3 .
[0024] The TF card 1 is provided with a TF card contact point 2 at the front end of the bottom, and the SIM card 8 is provided with a SIM card contact point 7 at the rear end of the top.
[0025] The TF card contact point 2 and the SIM card contact point 7 facilitate the device to receive information in the TF card 1 and the SIM card 8.
[0026] A buckle groove is provided through the middle of the top of the connecting plate 6 near the front end.
[0027] The buckle groove facilitates sliding of the connecting plate 6 .
[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A double-layer TF card, comprising a TF card (1), characterized in that: The TF card (1) is provided with a mounting groove (3) penetrating through the middle of the top near the rear end, a SIM card slot (10) is penetrating through the middle of the bottom of the inner wall of the mounting groove (3) and provided, sliding grooves (9) are penetrating through the rear ends of both sides of the top of the mounting groove (3) and provided, a card connection groove (11) is penetrating through the middle of the front end near the two sides of the mounting groove (3) and provided, an SLM card (8) is provided on the inner wall of the SIM card slot (10), a connecting plate (6) is slidably connected to the inner wall of the mounting groove (3), and a connecting plate (6) is penetrating through the middle of the top rear end near the two sides and provided A fixing groove (13), the adjacent sides of the inner walls of the two fixing grooves (13) are fixedly connected with a return spring (14), the opposite sides of the two return springs (14) are fixedly connected with a toggle plate (15), the opposite sides of the two toggle plates (15) are fixedly connected with a sliding rod (16), the opposite sides of the two sliding rods (16) penetrate the connecting plate (6) and are slidably connected to the sliding groove (9), the middle position of the top of the connecting plate (6) penetrates and is provided with a through hole (4), and the middle position of the rear end of the connecting plate (6) is fixedly connected with a clamping plate (12) on both sides.
2. A double-layer TF card according to claim 1, characterized in that: A cushion block (5) is fixedly connected to the rear end of the bottom of the inner wall of the installation groove (3).
3. The double-layer TF card according to claim 1, characterized in that: A TF card contact point (2) is arranged at the front end of the bottom of the TF card (1).
4. The double-layer TF card according to claim 1, characterized in that: A SIM card contact point (7) is provided at the top rear end of the SIM card (8).
5. The double-layer TF card according to claim 1, characterized in that: A buckle groove is provided through the middle of the top of the connection plate (6) near the front end.