Triplex card holder steel mesh

Abstract

The utility model discloses a three-in-one card seat steel net relates to card seat steel net technical field. The three-in-one card seat steel net, including steel sheet, screen gauze, frame, lower pressing block, pop -out unit, pull rod, springback unit, the pop -out unit is used to pop -out the SIM card, the springback unit is used for controlling the SIM card position. The three-in-one card seat steel net adopts the card seat steel net open net mode of three-in-one of steel sheet, screen gauze and frame, and matches material, solves the problem that material welding SIM card can not rebound, the structure is in the rosin volatilization when the tin paste reflow solidification can not pull rod activity area, effectively solve the problem that new steel net production dress card can not rebound, and the pop -out unit, springback unit, first limit ring and second limit ring cooperate and can realize the plug of quick to SIM card.

Description

Technical Field

[0001] This utility model relates to the field of card holder steel mesh technology, specifically a three-in-one card holder steel mesh. Background Technology

[0002] In today's rapidly developing electronic devices, the SIM card slot stencil is of paramount importance. It precisely matches the SIM card slot, providing crucial support for its SMT (Surface Mount Technology) assembly. Its manufacturing process is meticulous, requiring a perfect match between the slot pin spacing and pad layout, making it indispensable in the production of mobile phones, tablets, and IoT devices.

[0003] Existing SIM card slot stencils precisely print solder paste onto the PCB circuit board at the corresponding SIM card slot pads to provide a SIM card insertion location for IoT devices. However, current SIM card slot stencils suffer from slot defects, resulting in cards failing to eject properly after insertion, while SIM cards eject normally in normal mobile phones. Since the industry standard for stencil creation is a 1:1 model based on the PCB pad dimensions, these issues necessitate manual inspection and confirmation, requiring two additional production workers and increasing production costs. To address these shortcomings, this invention provides a three-in-one SIM card slot stencil to solve the aforementioned problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a three-in-one card holder steel mesh, which solves the problem of faulty card holders in SIM card holders, where the card cannot be ejected properly after insertion, requiring manual inspection and confirmation, and necessitating the addition of two extra production personnel, thus increasing production costs.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a three-in-one card holder steel mesh, comprising:

[0006] A steel sheet with a mesh on it, the steel sheet having multiple holes and slots, a frame fixedly connected to the mesh, and a first limiting ring on the frame;

[0007] The lower pressure block is located on top of the steel sheet;

[0008] An ejection unit, disposed on a steel sheet, is used to eject the SIM card;

[0009] A pull rod is mounted on a steel sheet, and a second limiting ring is fixedly connected to the pull rod;

[0010] A spring-back unit is located at the upper end of the lever, and the spring-back unit is used to control the position of the SIM card.

[0011] Preferably, the springback unit includes:

[0012] The first top plate is fixedly connected to the tie rod;

[0013] The second top plate is fixedly connected to the top of the tie rod;

[0014] The spring body has one end fixedly connected to the second top plate, and the other end fixedly connected to the inner wall of the frame.

[0015] Preferably, a track body is provided on the steel sheet, and a fixing frame is provided on the steel sheet, the fixing frame being used to protect the rebound unit.

[0016] Preferably, a control block is fixedly connected to the bottom of the pull rod, and a track block is fixedly connected to the bottom of the control block, with the track block slidably connected within the track body.

[0017] Preferably, the pressing block is provided with a hook-shaped pressing rod, which is used to prevent the inserted SIM card from being misaligned.

[0018] Preferably, a limiting block is fixedly connected to the mesh, and the pop-out unit cooperates with the limiting block to pop out the SIM card.

[0019] This utility model discloses a three-in-one card holder steel mesh, which has the following beneficial effects:

[0020] This three-in-one card holder steel mesh adopts a three-in-one card holder steel mesh opening method that combines steel sheet, mesh and frame to match materials and solve the problem of SIM cards not being able to spring back after soldering. This structure effectively solves the problem of SIM cards not being able to spring back when the solder paste is reflowed and cured, as the rosin evaporates and cannot pull the rod movement area. At the same time, the pop-out unit, the spring-back unit, the first limit ring and the second limit ring work together to achieve rapid insertion and removal of SIM cards. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the tie rod structure of this utility model;

[0024] Figure 3 This is a schematic diagram of the springback unit structure of this utility model.

[0025] In the diagram: 1. Steel sheet; 11. Mesh; 12. Frame; 121. First limiting ring; 13. Hole and slot; 14. Track body; 15. Fixing frame; 2. Pressing block; 21. Hook-shaped pressing rod; 3. Pop-out unit; 31. Limiting block; 4. Pull rod; 41. Second limiting ring; 42. Control block; 421. Track block; 5. Rebound unit; 51. First top plate; 52. Second top plate; 53. Spring body. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0027] This application embodiment solves the problem of SIM card slot stencils having faulty slots, cards failing to eject properly after insertion, requiring manual inspection and confirmation, and increasing production costs by providing a three-in-one SIM card slot stencil. It achieves a three-in-one SIM card slot stencil opening method using steel sheet 1, mesh 11, and frame 12, facilitating material matching and solving the problem of SIM cards failing to spring back after soldering. This structure effectively solves the problem of new stencils failing to spring back after insertion by preventing rosin evaporation during solder paste reflow and curing. Simultaneously, the ejection unit 3, the springback unit 5, the first limiting ring 121, and the second limiting ring 41 work together to achieve rapid insertion and removal of SIM cards.

[0028] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0029] This utility model embodiment discloses the three-in-one card holder steel mesh.

[0030] Example 1: According to the appendix Figure 1-3 As shown, it includes:

[0031] A steel sheet 1 is provided with a mesh 11 and multiple slots 13. A frame 12 is fixedly connected to the mesh 11 and a first limiting ring 121 is provided on the frame 12. The steel sheet 1 is the main part of the stencil, which determines the shape and size of the stencil, as well as the position and size of the openings. It is the direct carrier for solder paste printing. The frame 12 is used to support and fix the steel sheet 1, so that the steel sheet 1 remains flat and stable, which is convenient for installation and use on the printing machine. The mesh 11 is located between the steel sheet 1 and the frame 12, which plays an auxiliary role in supporting and fixing the steel sheet 1, and can also help control the flow and thickness of the solder paste.

[0032] The pressure block 2 is located on the top of the steel sheet 1, and the pressure block 2 ensures stable card insertion.

[0033] The ejection unit 3 is disposed on the steel sheet 1 and is used to eject the SIM card;

[0034] A pull rod 4 is mounted on a steel sheet 1, and a second limiting ring 41 is fixedly connected to the pull rod 4;

[0035] The spring-back unit 5 is located at the upper end of the lever 4 and is used to control the position of the SIM card.

[0036] The card holder steel mesh opening method adopts a three-in-one structure of steel sheet 1, mesh 11, and frame 12, which facilitates material matching and solves the problem of SIM cards not springing back after soldering. This structure effectively solves the problem of SIM cards not springing back during solder paste reflow and curing when rosin evaporates and cannot reach the moving area of ​​lever 4, thus solving the problem of new steel mesh card loading not springing back.

[0037] Example 2: According to the appendix Figure 1-3 As shown, it includes:

[0038] A steel sheet 1 is provided with a mesh 11 and multiple slots 13. A frame 12 is fixedly connected to the mesh 11 and a first limiting ring 121 is provided on the frame 12. The steel sheet 1 is the main part of the stencil, which determines the shape and size of the stencil, as well as the position and size of the openings. It is the direct carrier for solder paste printing. The frame 12 is used to support and fix the steel sheet 1, so that the steel sheet 1 remains flat and stable, which is convenient for installation and use on the printing machine. The mesh 11 is located between the steel sheet 1 and the frame 12, which plays an auxiliary role in supporting and fixing the steel sheet 1, and can also help control the flow and thickness of the solder paste.

[0039] The pressure block 2 is located on the top of the steel sheet 1, and the pressure block 2 ensures stable card insertion.

[0040] The ejection unit 3 is disposed on the steel sheet 1 and is used to eject the SIM card;

[0041] A pull rod 4 is mounted on a steel sheet 1, and a second limiting ring 41 is fixedly connected to the pull rod 4;

[0042] The spring-back unit 5 is located at the upper end of the lever 4 and is used to control the position of the SIM card.

[0043] Springback unit 5 includes:

[0044] The first top plate 51 is fixedly connected to the tie rod 4;

[0045] The second top plate 52 is fixedly connected to the top of the tie rod 4;

[0046] The spring body 53 has one end fixedly connected to the second top plate 52, and the other end fixedly connected to the inner wall of the frame 12.

[0047] A track body 14 is provided on the steel sheet 1, and a fixing frame 15 is provided on the steel sheet 1. The fixing frame 15 is used to protect the rebound unit 5.

[0048] A control block 42 is fixedly connected to the bottom of the pull rod 4, and a track block 421 is fixedly connected to the bottom of the control block 42. The track block 421 is slidably connected inside the track body 14.

[0049] The pressing block 2 is provided with a hook-shaped pressing rod 21, which is used to prevent the inserted SIM card from being misaligned.

[0050] A limiting block 31 is fixedly connected to the mesh 11, and the pop-out unit 3 and the limiting block 31 work together to pop out the SIM card.

[0051] When the SIM card is inserted, the first limiting ring 121 and the second limiting ring 41 help to hold it in place. The ejection unit 3 abuts against the top of the SIM card. When the card needs to be removed, the tool pushes against the control block 42, causing the track block 421 to slide within the track body 14. The pull rod 4 drives the second limiting ring 41 to move upward. During the movement, the return unit 5 at the top of the pull rod 4 is activated, and the second top plate 52 compresses the spring body 53, which then releases the second limiting ring 41 from the SIM card. Finally, the ejection unit 3 pushes the SIM card out, achieving the purpose of quickly inserting and removing the SIM card.

[0052] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A tri-furcated card holder steel mesh characterized in that, include: A steel sheet (1) is provided with a mesh (11), and a plurality of holes and slots (13) are provided on the steel sheet (1). A frame (12) is fixedly connected to the mesh (11), and a first limiting ring (121) is provided on the frame (12). The pressure block (2) is located on top of the steel sheet (1); A pop-out unit (3) is disposed on a steel sheet (1) and the pop-out unit (3) is used to pop out the SIM card; A pull rod (4) is mounted on a steel sheet (1), and a second limiting ring (41) is fixedly connected to the pull rod (4). A spring-back unit (5) is disposed at the upper end of the pull rod (4), and the spring-back unit (5) is used to control the position of the SIM card.

2. The tri-furcated card holder steel mesh of claim 1, wherein, The springback unit (5) includes: The first top plate (51) is fixedly connected to the tie rod (4); The second top plate (52) is fixedly connected to the top of the tie rod (4); The spring body (53) is fixedly connected at one end to the second top plate (52), and the other end of the spring body (53) is fixedly connected to the inner wall of the frame (12).

3. The tri-furcated card holder steel mesh of claim 1, wherein, The steel sheet (1) is provided with a track body (14) and a fixing frame (15) is provided on the steel sheet (1). The fixing frame (15) is used to protect the rebound unit (5).

4. The tri-furcated card holder steel mesh of claim 3, wherein, The bottom of the pull rod (4) is fixedly connected to a control block (42), and the bottom of the control block (42) is fixedly connected to a track block (421). The track block (421) is slidably connected inside the track body (14).

5. The tri-furcated card holder steel mesh of claim 1, wherein, The pressing block (2) is provided with a hook-shaped pressing rod (21), which is used to prevent the inserted SIM card from being misaligned.

6. The tri-furcated card holder steel mesh of claim 1, wherein, A limiting block (31) is fixedly connected to the mesh (11), and the pop-out unit (3) and the limiting block (31) work together to pop out the SIM card.

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