Rotation limiting device for reinforced notebook computer screen
By designing limit seats and rotation shaft components of high-strength stainless steel material, using limit teeth to limit the rotation angle, the problem of the unlimited rotation angle of the reinforced notebook screen in special environments is solved, and the applicability and strength requirements for different devices are achieved .
Patent Information
- Application Number
- CN202420985074.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-09
AI Technical Summary
When reinforced notebooks are used in special occasions, the strength of ordinary commercial limit hinges is insufficient, which cannot meet the limit requirements of the screen rotation angle, resulting in possible collisions with other devices.
A reinforced notebook screen rotation limit device is designed, including limit seats, rotation shafts and limit teeth. It uses high-strength stainless steel material to limit the rotation angle of the rotation shaft through limit teeth, which is suitable for angle requirements in different environments. And the limitation of different angles is achieved by replacing the limit teeth.
It realizes the effective rotation angle limit on the reinforced notebook screen, which is suitable for harsh environments, has a simple structure and low processing cost, is suitable for mass production, and has a wide range of applications.
Smart Images

Figure CN222299993U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of rotation limiting devices, in particular to a rotation limiting device for reinforcing a notebook screen. Background Art
[0002] With the continuous development of science and technology, national defense information technology is constantly updated, and ruggedized notebooks have come into being. With the popularization of informatization, the application scope and demand of ruggedized notebooks are constantly expanding.
[0003] Compared with ordinary commercial notebooks, reinforced notebooks have the characteristics of high structural strength, high and low temperature resistance, and resistance to harsh environments. Ordinary commercial notebooks simply cannot meet the various stringent requirements of military products. Due to the high structural strength requirements, the shell material of reinforced notebooks is mainly metal, and the weight of the whole machine is significantly higher than that of commercial notebooks. The commonly used component structure of commercial notebooks can no longer meet the needs of reinforced notebooks.
[0004] A hinge assembly and a laptop computer as shown in application number: CN201910412979.6, the hinge assembly includes: a first rotating shaft and a second rotating shaft; a plate-like covering member, formed with a first covering hole portion, a second covering hole portion, and an overlapping portion between the first covering hole portion and the second covering hole portion; the overlapping portion includes a first inner wall and a second inner wall facing each other, and a gap portion communicating with the first covering hole portion and the second covering hole portion is formed between the first inner wall and the second inner wall; a compensating member, placed on the first inner wall and capable of overlapping movement; an abutting portion, arranged on the second inner wall and capable of continuously and elastically pressing against the compensating member; a linkage member, which enables the compensating member to move inside the plate-like covering member as the first rotating shaft and the second rotating shaft rotate.
[0005] However, when the reinforced notebook is used in special occasions or needs to be installed in conjunction with other equipment, the screen must have a limit device to prevent the screen from rotating too much and colliding with other devices. However, ordinary commercial limit hinges are weak in strength and are only suitable for laptops with plastic shells. They cannot meet the strength requirements for the use of reinforced notebook screens. Utility Model Content
[0006] In order to solve the problem that when a reinforced notebook is used in special occasions or needs to be installed and used in conjunction with other equipment, the screen must be required to have a limit device to prevent the screen from rotating too much and colliding with other equipment, but the strength of ordinary commercial limit hinges is relatively weak, the utility model provides a reinforced notebook screen rotation limit device to solve this problem.
[0007] In order to achieve the above object, the utility model provides the following technical solutions:
[0008] A device for reinforcing a rotation limit of a laptop screen comprises: a limit seat, a rotating shaft and a limit tooth, wherein one end of the limit seat is fixedly arranged on a part to be reinforced, the other end of the limit seat is rotatably connected to one end of the rotating shaft, the other end of the rotating shaft is fixedly connected to another group of parts to be reinforced, the limit tooth is arranged in the limit seat, the limit tooth is used in conjunction with the rotating shaft, and the limit tooth is used to limit the rotation angle of the rotating shaft.
[0009] Preferably, the rotating shaft includes: a rotating part and a rotating fixed part, the rotating part and the rotating fixed part are an integrated structure, the rotating part is rotatably set in a limit seat, the rotating fixed part is fixedly connected to the part to be reinforced, the rotating part is used in conjunction with the limit teeth, and the limit teeth are used to limit the rotation angle of the rotating part.
[0010] Preferably, the rotating fixing part is provided with a plurality of sets of mounting and fixing screw holes, and the rotating fixing part is fixed to the part to be reinforced by means of screws through the mounting and fixing screw holes.
[0011] Preferably, the limit seat comprises: a limit fixing part and a rotation limit part, the limit fixing part and the rotation limit part are an integrated structure, a rotation hole is opened on the rotation limit part, the rotation hole is rotatably connected to the rotation part, the limit tooth is arranged in the rotation hole, and the limit fixing part is fixedly connected to the part to be fixed.
[0012] Preferably, the limiting fixing part comprises: a limiting fixing part body, a positioning groove and a countersunk screw hole. A positioning groove is provided on one side of the limiting fixing part body, and multiple groups of countersunk screw holes are provided on the other side of the limiting fixing part body. The positioning groove is fixedly connected to the reinforcement piece.
[0013] Preferably, the limiting teeth are divided into two groups, the two groups of limiting teeth are symmetrical with respect to the axis of the rotating hole, and are fixedly arranged on the inner side of the rotating hole, and the inclined surface angle of the limiting teeth is 60 degrees.
[0014] Preferably, the part to be reinforced is a screen assembly of a reinforced notebook or a lower case of a reinforced notebook. The limit seat and the rotating shaft are made of high-strength stainless steel.
[0015] The advantages of the utility model are that after the limit seat and the rotating shaft are rotated and set, the two groups of parts to be reinforced are connected by a rotation limit device, and the rotation angle of the rotating shaft is limited by the limit teeth arranged inside the rotating hole. In the face of different angle requirements in different environments, the limit angle can be changed by replacing the limit seat with different limit teeth, so as to meet the limited rotation angle requirements of the screens of equipment such as notebooks in different situations. The device has a simple structure and low processing cost, and is suitable for mass production; it has high structural strength and is suitable for various harsh environment requirements; it has a wide range of applications and can be applied to almost all reinforced notebooks or equipment that requires a limited rotation angle. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:
[0017] Figure 1 It is a structural schematic diagram of the utility model;
[0018] Figure 2 It is a structural schematic diagram of the rotating shaft of the utility model;
[0019] Figure 3 It is a structural schematic diagram of the limit seat of the utility model.
[0020] Description of reference numerals:
[0021] 1. Fixed seat; 2. Rotating shaft; 3. Limiting teeth; 11. Limiting fixing part; 111. Limiting fixing part body; 112. Limiting groove; 113. Countersunk screw hole; 12. Rotating limiting part; 121. Rotating hole; 21. Rotating part; 22. Rotating fixing part. DETAILED DESCRIPTION
[0022] Embodiment 1, combined with Figure 1 To explain:
[0023] A device for reinforcing a rotation limit of a notebook screen comprises: a limit seat 1, a rotating shaft 2 and a limit tooth 3, wherein one end of the limit seat 1 is fixedly arranged on a part to be reinforced, the other end of the limit seat 1 is rotationally connected to one end of the rotating shaft 2, the other end of the rotating shaft 2 is fixedly connected to another group of parts to be reinforced, the limit tooth 3 is arranged in the limit seat 1, the limit tooth 3 is used in conjunction with the rotating shaft 2, and the limit tooth 3 is used to limit the rotation angle of the rotating shaft 2. The part to be reinforced is a reinforced notebook screen assembly or a reinforced notebook lower box. The limit seat 1 and the rotating shaft 2 are made of high-strength stainless steel.
[0024] In this way, the limit seat 1 and the rotating shaft 2 are connected to two groups of parts to be reinforced, and the two groups of parts to be reinforced are connected through a rotating limit device. The limit teeth 3 are fixedly arranged inside the limit seat 1 and cooperate with the rotating shaft 2 to limit the rotation angle of the rotating shaft 2. The use of high-strength stainless steel ensures the service life and self-strength of the optional limit device.
[0025] Embodiment 2, based on embodiment 1, combined with Figure 2 To explain:
[0026] The rotating shaft 2 includes: a rotating part 21 and a rotating fixed part 22, wherein the rotating part 21 and the rotating fixed part 22 are an integrated structure, the rotating part 21 is rotatably arranged in the limiting seat 1, the rotating fixed part 22 is fixedly connected to the member to be reinforced, the rotating part 21 is used in conjunction with the limiting teeth 3, and the limiting teeth 3 are used to limit the rotation angle of the rotating part 21. The rotating fixed part 22 is provided with a plurality of sets of mounting and fixing screw holes, through which the rotating fixed part 22 is fixed to the member to be reinforced by screws.
[0027] In this way, the rotating shaft 2 is fixed on the part to be reinforced by screws, and multiple sets of fixed installation screws ensure the stability of the rotating shaft 2. The rotating shaft 2 is rotatably connected to the limit seat 1, so that the limit tooth 3 contacts the rotating shaft 2, allowing the limit tooth 3 to play the role of limiting the rotation angle of the rotating shaft 2.
[0028] Embodiment 3, based on embodiment 2, combined with Figure 3 To explain:
[0029] The position-limiting seat 1 comprises: a position-limiting fixing part 11 and a rotation position-limiting part 12. The position-limiting fixing part 11 and the rotation position-limiting part 12 are an integrated structure. A rotation hole 121 is provided on the rotation position-limiting part 12. The rotation hole 121 is rotationally connected to the rotation part 21. The position-limiting teeth 3 are arranged in the rotation hole 121. The position-limiting fixing part 11 is fixedly connected to the part to be fixed. The position-limiting fixing part 11 comprises: a position-limiting fixing part body 111, a positioning groove 112 and a countersunk screw hole 113. A positioning groove 112 is provided on one side of the position-limiting fixing part body 111. A plurality of groups of countersunk screw holes 113 are provided on the other side of the position-limiting fixing part body 111. The positioning groove 112 is fixedly connected to the part to be reinforced. The position-limiting teeth 3 are divided into two groups. The two groups of position-limiting teeth 3 are symmetrical with respect to the axis center of the rotation hole 121 and are fixedly arranged on the inner side of the rotation hole 121. The inclined angle of the position-limiting teeth 3 is 60 degrees.
[0030] In this way, the two groups of parts to be reinforced are connected together through the rotation limit device, the limit seat 1 is positioned to the specified position on the part to be reinforced through the limit groove 112, the limit seat 1 is fixed on the part to be reinforced by screws and countersunk screw holes 113, the countersunk screw holes 113 ensure that the top of the screw will not collide with the case when the notebook is closed, the limit tooth 3 is fixed in the rotating hole 121, the limit tooth 3 cooperates with the rotating shaft 2, and when the rotating shaft 2 rotates to the contact position with the limit tooth 3, the limit tooth 3 has the effect of limiting the rotation angle of the rotating shaft 2.
[0031] The working principle of the utility model is as follows: the limit seat 1 is fixedly connected to the part to be reinforced, the fixed part 22 of the rotating shaft 2 is fixedly connected to another group of parts to be reinforced, the rotating part 21 of the rotating shaft 2 is rotatably set in the rotating hole 121, and when the rotating part 21 contacts the limit tooth 3, the screen rotation angle reaches the limit, and the rotating part 21 is limited by the limit tooth 3 and no longer rotates, and the screen rotation angle of equipment such as notebooks is limited. The rotating part 21 is rotatably set in the limit seat 1, and the two groups of parts to be reinforced are connected with the rotating shaft 2 through the limit seat 1, and the screen rotation angle is fixed by the cooperation of the limit tooth 3 and the rotating shaft 2. The utility model has high structural strength and is suitable for various harsh environment requirements. It can be used in all reinforced notebooks or equipment that needs to limit the rotation angle, and solves the problem that the commonly used connecting hinges are not strong enough to meet the limit requirements in special use environments.
[0032] For those skilled in the art, the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.
[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any minor modifications, equivalent substitutions and improvements made to the above embodiments based on the technical essence of the present invention should be included in the protection scope of the technical solution of the present invention.
Claims
1. A device for reinforcing a rotation limiter of a notebook screen, characterized in that: include: A limit seat (1), a rotating shaft (2) and a limit tooth (3), wherein one end of the limit seat (1) is fixedly arranged on a member to be reinforced, the other end of the limit seat (1) is rotatably connected to one end of the rotating shaft (2), the other end of the rotating shaft (2) is fixedly connected to another group of members to be reinforced, the limit tooth (3) is arranged in the limit seat (1), the limit tooth (3) is used in conjunction with the rotating shaft (2), and the limit tooth (3) is used to limit the rotation angle of the rotating shaft (2).
2. A device for reinforcing the rotation limit of a notebook screen according to claim 1, characterized in that: The rotating shaft (2) comprises: a rotating part (21) and a rotating fixed part (22); the rotating part (21) and the rotating fixed part (22) are an integrated structure; the rotating part (21) is rotatably arranged in a limiting seat (1); the rotating fixed part (22) is fixedly connected to a member to be reinforced; the rotating part (21) is used in conjunction with a limiting tooth (3); the limiting tooth (3) is used to limit the rotation angle of the rotating part (21).
3. The device for reinforcing the rotation limit of a notebook screen according to claim 2, characterized in that: The rotating fixing part (22) is provided with a plurality of groups of mounting and fixing screw holes, and the rotating fixing part (22) is fixed to the part to be reinforced by screws through the mounting and fixing screw holes.
4. The device for reinforcing the rotation limit of a notebook screen according to claim 2, characterized in that: The position limiting seat (1) comprises: a position limiting fixing part (11) and a rotational position limiting part (12); the position limiting fixing part (11) and the rotational position limiting part (12) are an integrated structure; a rotation hole (121) is provided on the rotational position limiting part (12); the rotation hole (121) is rotationally connected to the rotation part (21); the position limiting tooth (3) is arranged in the rotation hole (121); and the position limiting fixing part (11) is fixedly connected to the part to be fixed.
5. The device for reinforcing the rotation limit of a notebook screen according to claim 4, characterized in that: The position limiting fixing part (11) comprises: a position limiting fixing part body (111), a positioning groove (112) and a countersunk screw hole (113); one side of the position limiting fixing part body (111) is provided with a positioning groove (112); the other side of the position limiting fixing part body (111) is provided with a plurality of groups of countersunk screw holes (113); the positioning groove (112) is fixedly connected to the to-be-reinforced part.
6. The device for reinforcing the rotation limit of a notebook screen according to claim 4, characterized in that: The limiting teeth (3) are provided in two groups, the two groups of limiting teeth (3) are symmetrical with respect to the axis of the rotating hole (121), and are fixedly arranged inside the rotating hole (121), and the inclined surface angle of the limiting teeth (3) is 60 degrees.
7. A device for reinforcing the rotation limit of a notebook screen according to any one of claims 1 to 5, characterized in that: The part to be reinforced is a reinforced notebook screen assembly or a reinforced notebook lower box.
8. The device for reinforcing the rotation limit of a notebook screen according to claim 1, characterized in that: The limiting seat (1) and the rotating shaft (2) are made of high-strength stainless steel.