Novel integrally-formed hollow rotating shaft for notebook computer

Abstract

The utility model discloses a novel integrally-formed notebook computer hollow rotating shaft which comprises a rotating shaft piece and a connecting shaft, the rotating shaft piece is of a P-shaped structure, a rotating shaft body comprises a rotating shaft body and a platform, the platform is connected to the tail end of the rotating shaft body, and five circular through holes with different sizes are formed in the platform; a connecting shaft is arranged at the end, away from the platform, of the rotating shaft body and is of a hollow structure, threads are arranged at the head of the connecting shaft, and a boss and a gear are arranged in the middle of the connecting shaft. The boss is located on the rear side of the gear, extends outwards along the middle position of the connecting shaft and is used for positioning. The rotating shaft part is simple in structure and meets the requirement for light weight, the internal structure of the rotating shaft is uniform, the density can reach 98%-99.5%, and the strength, hardness, toughness and abrasion resistance all can meet the requirements.

Description

Technical Field

[0001] The utility model relates to the field of notebook shafts, in particular to a novel integrally formed hollow notebook shaft. Background Art

[0002] With the development and progress of society, people's requirements for materials are getting higher and higher, especially for consumer electronic products, which are gradually turning to light, thin, easy to carry, etc. Therefore, some parts have begun to adjust their structures to cope with new changes. In order to meet the demand for lightweight structure, the utility model proposes a new type of one-piece hollow notebook shaft. The internal structure of the shaft part is uniform, the density can reach 98-99.5%, the strength, hardness, toughness, and wear resistance can meet the requirements, the dimensional accuracy is high, the surface finish is good, and it is formed in one time without post-processing, which greatly reduces the cost. Utility Model Content

[0003] The purpose of the utility model is to provide a novel one-piece hollow shaft for a notebook to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of one-piece hollow notebook shaft, including a shaft member and a connecting shaft, the shaft member is a "P"-shaped structure, the shaft body includes a shaft body and a platform, wherein the platform is connected to the end of the shaft body, and five circular through holes of different sizes are provided on the platform; a connecting shaft is provided at one end of the shaft body away from the platform, the connecting shaft is a hollow structure, a thread is provided on the head of the connecting shaft, and a boss and a gear are provided in the middle of the connecting shaft; the boss is located on the rear side of the gear, and the boss extends outward along the middle position of the connecting shaft, and the boss is used for positioning.

[0005] Preferably, the bending parts of the rotating shaft body and the platform are both arc transitions.

[0006] Preferably, the rotating shaft and the connecting shaft are both formed by powder metallurgy injection molding.

[0007] Preferably, a long notch is provided on the outer end surface of the connecting shaft close to the thread, and the end of the long notch is close to the gear.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] The shaft component of the utility model has a simple structure and meets the lightweight requirements. The internal structure of the shaft is uniform, and the density can reach 98-99.5%. The strength, hardness, toughness and wear resistance can all meet the requirements. It has high dimensional accuracy, good surface finish, and is formed in one step without post-processing, which greatly reduces costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1It is a front structural schematic diagram of the utility model;

[0011] Figure 2 It is a schematic diagram of the back structure of the utility model.

[0012] In the figure: 1, rotating shaft; 101, rotating shaft body; 102, platform; 103, circular through hole; 2, connecting shaft; 3, thread; 4, boss; 5, gear. DETAILED DESCRIPTION

[0013] 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.

[0014] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0015] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0016] See also Figure 1-2 The utility model provides a technical solution: a new type of one-piece hollow notebook shaft, including a shaft member 1 and a connecting shaft 2, the shaft member 1 is a "P"-shaped structure, the shaft body 1 includes a shaft body 101 and a platform 102, wherein the platform 102 is connected to the end of the shaft body 101, and five circular through holes 6 of different sizes are provided on the platform 102; a connecting shaft 2 is provided at one end of the shaft body 101 away from the platform 102, the connecting shaft 2 is a hollow structure, a thread 3 is provided at the head of the connecting shaft 2, and a boss 4 and a gear 5 are provided in the middle of the connecting shaft 2; the boss 4 is located at the rear side of the gear 5, and the boss 4 extends outward along the middle position of the connecting shaft 2, and the boss 4 is used for positioning.

[0017] In this embodiment, the bending parts of the rotating shaft body 101 and the platform 102 are both arc transitions.

[0018] In this embodiment, the rotating shaft 1 and the connecting shaft 2 are both formed by powder metallurgy injection molding.

[0019] In this embodiment, a long notch is provided on the outer end surface of the connecting shaft 2 close to the thread 3 , and the end of the long notch is close to the gear 5 .

[0020] The rotating shaft body 1 and the connecting shaft 2 are prepared by uniformly mixing a binder and metal powder in a mixer and then feeding the mixture to a molding machine.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new type of integrally formed hollow shaft for notebook, characterized in that: The invention comprises a rotating shaft component (1) and a connecting shaft (2), wherein the rotating shaft component (1) is a "P"-shaped structure, and the rotating shaft component (1) comprises a rotating shaft body (101) and a platform (102), wherein the platform (102) is connected to the end of the rotating shaft body (101), and the platform (102) is provided with five circular through holes (6) of different sizes; a connecting shaft (2) is provided at one end of the rotating shaft body (101) away from the platform (102), and the connecting shaft (2) is a hollow structure, a thread (3) is provided at the head of the connecting shaft (2), and a boss (4) and a gear (5) are provided at the middle position of the connecting shaft (2); the boss (4) is located at the rear side of the gear (5), and the boss (4) extends outwards along the middle position of the connecting shaft (2), and the boss (4) is used for positioning.

2. According to claim 1, the novel one-piece hollow shaft for notebook is characterized by: The bending parts of the rotating shaft body (101) and the platform (102) are both arc transitions.

3. The novel one-piece hollow shaft for notebook according to claim 1, characterized in that: The rotating shaft (1) and the connecting shaft (2) are both formed by powder metallurgy injection molding.

4. The novel one-piece hollow shaft for notebook according to claim 1, characterized in that: The outer end surface of the connecting shaft (2) close to the thread (3) is provided with a long notch, and the end of the long notch is close to the gear (5).

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