Intelligent mobile phone camera lifting screw

By adopting a three-head thread design and precision spiral thread structure in the lifting screw of smartphone cameras, the problem of insufficient precision of screws in the prior art is solved, and a more stable, smooth, silent and durable lifting function is achieved.

CN222436959UActive Publication Date: 2025-02-07DONGGUAN TAICHEN METAL TECH CO LTD
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Patent Information

Application Number
CN202420551346.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-21
Publication Date
2025-02-07
Estimated Expiration
2034-03-21

AI Technical Summary

Technical Problem

The existing smartphone camera lifting screws lack precision and cannot meet the market's design requirements for stability, smoothness, speed, durability and silentness.

Method used

The three-head thread design and precision spiral thread structure are adopted. Through the cooperation of the first body, the second body and the thread, a spiral thread with equal pitch and same spiral angle is formed, which improves the torsional stiffness and load-bearing capacity of the screw.

Benefits of technology

The stability, smoothness and silentness of the screw are achieved, ensuring the reliability and durability of the camera's lifting function, while improving work efficiency and reducing maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a smart phone camera lifting screw, which comprises a first body, a second body, a first thread, a second thread and a third thread, the first body is transversely arranged, and the second body is in the same shape as the first body and is attached to the periphery of the middle of the first body. The first thread, the second thread and the third thread have the same thread shape and are attached to the periphery of the second body at intervals in a matched mode from left to right, and spiral threads with the same thread pitch and the same spiral angle are formed. The lifting device is simple in overall structure, precise in thread design, capable of ascending and descending quickly and stable in operation.
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Description

Technical Field

[0001] The utility model relates to the technical field of camera lifting screws, in particular to a smart phone camera lifting screw. Background Art

[0002] The function of the smartphone camera lifting screw is to control the lifting movement of the camera so that it can automatically rise or fall when needed to achieve shooting at different angles or protect the safety of the camera.

[0003] The requirements for the lifting screw of a smartphone camera include the following: stability. The screw must be able to stably support the weight of the camera and ensure that it does not shake or sway during the lifting process; smoothness. The design of the screw must ensure a smooth lifting process to avoid sudden vibration or jitter that affects the shooting effect; speed. The lifting speed of the screw should be fast and able to complete the lifting operation quickly when the user needs it; durability. The screw must be durable enough to withstand long-term use without failure or damage; quietness. The screw should minimize noise during the lifting process to avoid affecting the user experience.

[0004] In summary, the design requirements for smartphone camera lifting screws are stable, smooth, fast, durable and silent. However, the smartphone camera lifting screws currently on the market are still lacking in precision, which makes it impossible to meet the market's design requirements for smartphone camera lifting screws and ensure that the camera lifting function can function effectively. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a smart phone camera lifting screw with a simple structure, precise thread design, rapid lifting and stable operation based on the deficiencies of the above-mentioned technology.

[0006] In order to solve the above technical problems, the technical solution of the utility model is: a smart phone camera lifting screw, including a first body, a second body, a first thread, a second thread and a third thread, the first body is arranged horizontally, the second body has the same shape as the first body and is attached to the middle periphery of the first body, the first thread, the second thread and the third thread have the same thread shape, and are matched and spaced from left to right on the periphery of the second body to form spiral threads with equal pitch and the same helix angle.

[0007] As a further elaboration of the present invention:

[0008] Preferably, the first body is in the shape of a cylinder with a hollow inner circumference, the length of the second body is smaller than that of the first body, and the second body is axially symmetrically distributed relative to the first body.

[0009] Preferably, the inner diameter of the first body is 0.47mm-0.51mm, the outer diameter of the first body is 0.78mm-0.82mm, the length of the first body is 2.68mm-2.73mm, the outer diameter of the second body is 0.85mm-0.89mm, and the length of the second body is 2.52mm-2.58mm.

[0010] Preferably, the pitch of the spiral thread is 0.322mm~0.328mm, the height from the upper end face to the lower end face of the spiral thread is 1.30mm~1.33mm, the length from the left and right ends of the spiral thread to the end of the first body is 0.13mm~0.17mm, and the length from the left and right ends of the spiral thread to the end of the second body is 0.025mm~0.055mm.

[0011] Preferably, the root circle diameter formed between two adjacent spiral threads is 0.861 mm to 0.865 mm, the pitch circle diameter is 1.121 mm to 1.125 mm, and the top circle diameter is 1.300 mm to 1.330 mm.

[0012] Preferably, the helix angle of the spiral thread is 15.0° to 16.0°, the rotation direction is right-handed, and the lead is 0.973 mm to 0.983 mm.

[0013] The beneficial effects of the utility model are:

[0014] Firstly, the utility model comprises a first thread, a second thread and a third thread. The design of the three-start thread can increase the contact area of ​​the thread, improve the torsional stiffness and the load-bearing capacity of the screw, make it more stable and reliable, increase the friction of the thread, make the connection between the screw and the camera transmission component tighter and less likely to loosen, thereby improving the reliability of the connection, reduce the lateral force of the thread, reduce the friction between the screw and the camera transmission component, make the threaded connection easier to tighten and disassemble, and at the same time, compared with the single-start thread, can quickly complete the operation of lifting and lowering the camera when the user needs it.

[0015] Secondly, the utility model achieves the purpose of precise design of spiral threads through the design of the dimensions of the first body and the second body, as well as the design of the pitch, root circle diameter, pitch circle diameter, tooth top circle diameter and helix angle of the spiral thread, to meet the market demand for stability, smoothness and quietness of smartphone camera lifting screws, ensure the matching accuracy and quality of threaded connectors, reduce the risk of loosening and falling off, improve the bearing capacity and durability of connectors, and reduce friction resistance during installation and disassembly, improve work efficiency, reduce maintenance costs, and ensure the normal operation and safety of smartphone camera lifting screws. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a left view of the overall structure of the utility model.

[0018] Figure 3 It is a sectional view of the overall structure of the utility model.

[0019] Figure 4 for Figure 3 Schematic diagram of the enlarged structure of part A.

[0020] In the figure: 1. first body; 2. second body; 3. first thread; 4. second thread; 5. third thread; 6. spiral thread. DETAILED DESCRIPTION

[0021] The structural principle and working principle of the utility model are further described in detail below with reference to the accompanying drawings.

[0022] like Figure 1 to Figure 4 As shown, the utility model is a smart phone camera lifting screw, including a first body 1, a second body 2, a first thread 3, a second thread 4 and a third thread 5. The first body 1 is arranged horizontally, and the second body 2 has the same shape as the first body 1 and is attached to the middle periphery of the first body 1. The first thread 3, the second thread 4 and the third thread 5 have the same thread shape and are matched and attached to the periphery of the second body 2 from left to right to form spiral threads 6 with equal pitches and the same helix angles.

[0023] like Figure 1 to Figure 4 As shown, the first body 1 is a cylindrical shape with a hollow inner circumference, the length of the second body 2 is smaller than that of the first body 1 , and the second body 2 is axially symmetrically distributed relative to the first body 1 .

[0024] Further, the inner diameter of the first body 1 is 0.47mm-0.51mm, the outer diameter of the first body 1 is 0.78mm-0.82mm, the length of the first body 1 is 2.68mm-2.73mm, the outer diameter of the second body 2 is 0.85mm-0.89mm, and the length of the second body 2 is 2.52mm-2.58mm. Preferably, in this embodiment, the inner diameter of the first body 1 is 0.50mm, the outer diameter of the first body 1 is 0.80mm, the length of the first body 1 is 2.70mm, the outer diameter of the second body 2 is 0.87mm, and the length of the second body 2 is 2.55mm.

[0025] Further, the pitch of the spiral thread 6 is 0.322mm-0.328mm, the height from the upper end face to the lower end face of the spiral thread 6 is 1.30mm-1.33mm, the length from the left and right ends of the spiral thread 6 to the end of the first body 1 is 0.13mm-0.17mm, and the length from the left and right ends of the spiral thread 6 to the end of the second body 2 is 0.025mm-0.055mm. Preferably, in this embodiment, the pitch of the spiral thread 6 is 0.326mm, the height from the upper end face to the lower end face of the spiral thread 6 is 1.30mm, the length from the left and right ends of the spiral thread 6 to the end of the first body 1 is 0.15mm, and the length from the left and right ends of the spiral thread 6 to the end of the second body 2 is 0.040mm.

[0026] Furthermore, the root circle diameter formed between two adjacent spiral threads 6 is 0.861mm-0.865mm, the pitch circle diameter is 1.121mm-1.125mm, and the tooth tip circle diameter is 1.300mm-1.330mm. Preferably, in this embodiment, the root circle diameter formed between two adjacent spiral threads 6 is 0.863mm, the pitch circle diameter is 1.123mm, and the tooth tip circle diameter is 1.330mm.

[0027] Preferably, the helix angle of the helical thread 6 is 15.0° to 16.0°, the rotation direction is right-handed, and the lead is 0.973 mm to 0.983 mm. Preferably, in this embodiment, the helix angle of the helical thread 6 is 15.5°, the rotation direction is right-handed, and the lead is 0.978 mm.

[0028] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features.

[0029] The above is only a preferred embodiment of the present invention. Any slight modification, equivalent changes and modifications made to the above embodiments according to the technical solution of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A lifting screw for a smartphone camera, characterized in that: It includes a first body, a second body, a first thread, a second thread and a third thread. The first body is arranged horizontally. The second body has the same shape as the first body and is attached to the middle periphery of the first body. The first thread, the second thread and the third thread have the same thread shape and are matched and attached to the periphery of the second body from left to right to form spiral threads with equal pitch and the same helix angle.

2. The smart phone camera lifting screw according to claim 1, characterized in that: The first body is in the shape of a cylinder with a hollow inner circumference. The length of the second body is smaller than that of the first body. The second body is axially symmetrically distributed relative to the first body.

3. The smart phone camera lifting screw according to claim 2, characterized in that: The inner diameter of the first body is 0.47mm-0.51mm, the outer diameter of the first body is 0.78mm-0.82mm, the length of the first body is 2.68mm-2.73mm, the outer diameter of the second body is 0.85mm-0.89mm, and the length of the second body is 2.52mm-2.58mm.

4. The smart phone camera lifting screw according to claim 3, characterized in that: The pitch of the spiral thread is 0.322mm~0.328mm, the height from the upper end face to the lower end face of the spiral thread is 1.30mm~1.33mm, the length from the left and right ends of the spiral thread to the end of the first body is 0.13mm~0.17mm, and the length from the left and right ends of the spiral thread to the end of the second body is 0.025mm~0.055mm.

5. The smart phone camera lifting screw according to claim 4, characterized in that: The root circle diameter formed between two adjacent spiral threads is 0.861mm to 0.865mm, the pitch circle diameter is 1.121mm to 1.125mm, and the tooth top circle diameter is 1.300mm to 1.330mm.

6. The smartphone camera lifting screw according to any one of claims 1 to 5, characterized in that: The helix angle of the spiral thread is 15.0° to 16.0°, the rotation direction is right-handed, and the lead is 0.973 mm to 0.983 mm.