Hinge mechanism with closing and shrinking functions

Abstract

The utility model relates to the technical field of hinges, in particular to a hinge mechanism with a closing and retracting function, which comprises a fixed frame, a first movable frame, a second movable frame, a first support and a second support, wherein the first movable frame and the second movable frame are movably arranged on the fixed frame; the fixed frame is provided with a first axis and a second axis at an interval, one end of the first movable frame sleeves the outer side of the first axis, the other end of the first movable frame is rotatably connected with one side of the fixed frame, one end of the second movable frame sleeves the outer side of the second axis, and the other end of the second movable frame is rotatably connected with the other side of the fixed frame; a first connecting rod is arranged at the joint of the first movable frame and the first support, and a second connecting rod is arranged at the joint of the second movable frame and the second support. The keyboard is compact in structure and reasonable in design, has a contracting and attaching function after being closed, achieves a tight closing function under the condition that no keyboard exists, is high in switching use flexibility, and improves the protection performance and the use experience feeling.

Description

Technical Field

[0001] The utility model relates to the technical field of hinges, in particular to a hinge mechanism with a closing and retracting function. Background Art

[0002] With the continuous development and advancement of electronic device technology, electronic devices with both display and keyboard input functions are becoming increasingly popular. For example, tablet computers have evolved from traditional tablets to two-in-one tablets, combining a keyboard and tablet. These tablets, while compact, portable, and stylish, feature an external keyboard, making them more user-friendly than traditional tablets, and providing more convenient, quick, and reliable typing. However, the hinge structure attached to the two-in-one tablet's lid varies in height when the keyboard is connected and when it is not. This results in gaps between the hinges when the lid is closed, causing the lid to close unevenly, potentially allowing dust or impurities to enter the interior. This results in poor protection and a negative user experience. Utility Model Content

[0003] The purpose of this utility model is to address the deficiencies of the existing technology and provide a hinge mechanism with a closing and retracting function. The structure is compact and the design is reasonable. After closing, it has a retracting and sticking function, which can realize a tight closing function with or without a keyboard. It has high flexibility in switching between uses and improves the protection performance and the user experience.

[0004] To achieve the above-mentioned objectives, the utility model provides a hinge mechanism with a closing and retracting function, including a fixed frame, a first movable frame and a second movable frame movably arranged on the fixed frame, a first bracket movably arranged on the first movable frame, and a second bracket movably arranged on the second movable frame, the fixed frame is provided with a first axis and a second axis at intervals, one end of the first movable frame is sleeved on the outside of the first axis, and the other end of the first movable frame is rotatably connected to one side of the fixed frame, one end of the second movable frame is sleeved on the outside of the second axis, and the other end of the second movable frame is rotatably connected to the other side of the fixed frame, a first connecting rod is provided at the connection between the first movable frame and the first bracket, and a second connecting rod is provided at the connection between the second movable frame and the second bracket.

[0005] Preferably, the first movable frame and the second movable frame have the same structure, the first movable frame includes a first rotating arm and a second rotating arm spaced apart from the first rotating arm, the first bracket is arranged between the first rotating arm and the second rotating arm, the first bracket is provided with a first through hole, the first connecting rod passes through the first rotating arm and the first through hole and protrudes out of the second rotating arm, the first rotating arm is sleeved on the outside of the first axis, and the second rotating arm is rotatably connected to the fixed frame.

[0006] Preferably, the fixing frame is detachably provided with a press-fit seat, a connecting screw is provided at the connection between the press-fit seat and the fixing frame, a recess is provided at one end of the second rotating arm close to the press-fit seat, the fixing frame is provided with a concave cavity, the press-fit seat is provided with a groove, the outer wall of the recess rotates to contact the inner wall of the cavity, and the inner wall of the recess rotates to contact the outer wall of the groove.

[0007] Preferably, the fixing frame is provided with a first transmission wheel and a second transmission wheel, the first transmission wheel and the second transmission wheel are meshed for transmission, the first axis is meshed with the first transmission wheel, and the second axis is meshed with the second transmission wheel.

[0008] Preferably, a plurality of first spring clips and a first adjusting nut for adjusting the expansion and contraction amount of the plurality of first spring clips are provided at one end of the first axis away from the fixing frame, and a plurality of second spring clips and a second adjusting nut for adjusting the expansion and contraction amount of the plurality of second spring clips are provided at one end of the second axis away from the fixing frame.

[0009] Preferably, the first bracket is provided with a first connecting hole, and the second bracket is provided with a second connecting hole.

[0010] The beneficial effects of the utility model are as follows: the structure is compact and the design is reasonable. After closing, it has the function of shrinking and sticking, realizing the tight closing function with or without the keyboard, high flexibility in switching use, and improved protection performance and user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural diagram of the present utility model.

[0012] Figure 2 This is a schematic diagram of the exploded structure of the present invention.

[0013] Figure 3 This is a schematic structural diagram of the press-fit seat of the present utility model.

[0014] Reference numerals include:

[0015] 1——fixed frame 11——first axis 12——second axis

[0016] 13——Cavity 14——First spring 15——First adjusting nut

[0017] 16——Second spring 17——Second adjusting nut

[0018] 2——first movable frame 21——first rotating arm 22——second rotating arm

[0019] 23——Concave

[0020] 3——Second movable frame

[0021] 4 - first bracket 41 - first through hole 42 - first connecting hole

[0022] 5——Second bracket 51——Second connection hole

[0023] 6——first connecting rod 7——second connecting rod

[0024] 8——Press-fit seat 81——Connecting screw 82——Groove

[0025] 9——first transmission wheel 10——second transmission wheel. DETAILED DESCRIPTION

[0026] The present invention is described in detail below with reference to the accompanying drawings.

[0027] like Figures 1 to 3 As shown, the utility model is a hinge mechanism with a closing and retracting function, including a fixed frame 1, a first movable frame 2 and a second movable frame 3 movably arranged on the fixed frame 1, a first bracket 4 movably arranged on the first movable frame 2 and a second bracket 5 movably arranged on the second movable frame 3, the fixed frame 1 is provided with a first axis 11 and a second axis 12 at intervals, one end of the first movable frame 2 is sleeved on the outside of the first axis 11, and the other end of the first movable frame 2 is rotatably connected to one side of the fixed frame 1, one end of the second movable frame 3 is sleeved on the outside of the second axis 12, and the other end of the second movable frame 3 is rotatably connected to the other side of the fixed frame 1, a first connecting rod 6 is provided at the connection between the first movable frame 2 and the first bracket 4, and a second connecting rod 7 is provided at the connection between the second movable frame 3 and the second bracket 5.

[0028] During operation, the first bracket 4 is installed with an external tablet computer, and the second bracket 5 is detachably connected to an external keyboard, so as to facilitate installation or removal of the external keyboard according to actual use needs. One end of the first movable frame 2 is rotatably sleeved on the outside of the first axis 11, and the other end of the first movable frame 2 is rotatably connected to one side of the fixed frame 1. The first bracket 4 is connected to the first movable frame 2 through the first connecting rod 6, and the first bracket 4 can swing slightly around the first movable frame 2. The second bracket 5 is connected to the second movable frame 3 through the second connecting rod 7, and the second bracket 5 can swing slightly around the second movable frame 3. Swing. When an external keyboard is connected, during the closing process, the first movable frame 2 and the second movable frame 3 rotate around the first axis 11 and the second axis 12 respectively, thereby driving the external tablet computer through the first bracket 4 and the external keyboard driven by the second bracket 5 to fit and fix each other; when there is no external keyboard, during the closing process, the first movable frame 2 and the second movable frame 3 rotate around the first axis 11 and the second axis 12 respectively, thereby driving the external tablet computer through the first bracket 4 to directly fit and fix on the second bracket 5, with a large contact area and avoiding the formation of gaps, and significant protective performance. The utility model has a compact structure and a reasonable design. After closing, it has a shrinking and tightening function, realizing a tight closing function with or without a keyboard, with high flexibility in switching use, and improving protective performance and user experience.

[0029] The first movable frame 2 and the second movable frame 3 of this embodiment have the same structure. The first movable frame 2 includes a first pivot arm 21 and a second pivot arm 22 spaced apart from the first pivot arm 21. The first bracket 4 is disposed between the first pivot arm 21 and the second pivot arm 22. The first bracket 4 is provided with a first through hole 41. The first connecting rod 6 passes through the first pivot arm 21 and the first through hole 41 and protrudes out of the second pivot arm 22. The first pivot arm 21 is sleeved outside the first axis 11, and the second pivot arm 22 is rotatably connected to the fixed frame 1. Specifically, the first movable frame 2 and the second movable frame 3, which have the same structure, are rotatably connected to either side of the fixed frame 1. The first pivot arm 21 and the second pivot arm 22 are spaced apart from each other on either side of the first bracket 4. The first connecting rod 6 passes through the first pivot arm 21 and the first through hole 41 and protrudes out of the second pivot arm 22, thereby fixing the position of the first bracket 4 between the first pivot arm 21 and the second pivot arm 22. The first pivot arm 21 is sleeved outside the first axis 11, and the second pivot arm 22 is rotatably connected to the fixed frame 1, which helps to drive the first bracket 4 to rotate smoothly.

[0030] The fixing frame 1 of this embodiment is detachably provided with a press-fit seat 8. A connecting screw 81 is provided at the connection between the press-fit seat 8 and the fixing frame 1. A recess 23 is provided at one end of the second rotating arm 22 near the press-fit seat 8. The fixing frame 1 is provided with a concave cavity 13, and the press-fit seat 8 is provided with a groove 82. The outer wall of the recess 23 rotates to abut against the inner wall of the concave cavity 13, and the inner wall of the recess 23 rotates to abut against the outer wall of the groove 82. Specifically, the connecting screw 81 passes through the press-fit seat 8 and is connected and fixed to the fixing frame 1. The second rotating arm 22 is installed between the concave cavity 13 and the groove 82 through the recess 23, so that the outer wall of the recess 23 rotates to abut against the inner wall of the concave cavity 13, and the inner wall of the recess 23 rotates to abut against the outer wall of the groove 82. The contact area is large, thereby realizing smooth rotation of the second rotating arm 22 around the fixing frame 1.

[0031] The fixed frame 1 of this embodiment is provided with a first transmission wheel 9 and a second transmission wheel 10. The first transmission wheel 9 and the second transmission wheel 10 are meshed and transmitted, the first axis 11 is meshed with the first transmission wheel 9, and the second axis 12 is meshed with the second transmission wheel 10. Specifically, the first transmission wheel 9 and the second transmission wheel 10 are meshed and transmitted, and the first axis 11 is meshed with the first transmission wheel 9 and the second axis 12 is meshed with the second transmission wheel 10. Therefore, the first axis 11 drives the second axis 12 to rotate through the meshed transmission of the first transmission wheel 9 and the second transmission wheel 10, thereby achieving high transmission efficiency.

[0032] In this embodiment, a first axis 11 is provided at one end away from the fixing frame 1 with a plurality of first spring clips 14 and a first adjustment nut 15 for adjusting the extension and contraction of the first spring clips 14. A second axis 12 is provided at one end away from the fixing frame 1 with a plurality of second spring clips 16 and a second adjustment nut 17 for adjusting the extension and contraction of the second spring clips 16. Specifically, the first spring clips 14 and the second spring clips 16 are respectively sleeved on the outside of the first axis 11 and the second axis 12. By controlling the locking force of the first adjustment nut 15, the extension and contraction of the first spring clips 14 is controlled, thereby achieving control and adjustment of different torques on the first axis 11. By controlling the locking force of the second adjustment nut 17, the extension and contraction of the second spring clips 16 is controlled, thereby achieving control and adjustment of different torques on the second axis 12.

[0033] In this embodiment, the first bracket 4 is provided with a first connection hole 42, and the second bracket 5 is provided with a second connection hole 51. Specifically, external screws are inserted through the first connection hole 42 to connect to the external tablet computer, and external screws are inserted through the second connection hole 51 to connect to the external keyboard. This allows the external tablet computer and the external keyboard to rotate face to face, achieving convenient opening and closing between the external tablet computer and the external keyboard, with smooth and unobstructed movement.

[0034] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there may be changes in the specific implementation methods and application scope. The content of this specification should not be understood as limiting the present invention.

Claims

1. A hinge mechanism with a closing and retracting function, characterized in that: The cam is connected to the second movable frame by a plurality of movable members, the first movable frame being connected to the first movable frame by a plurality of movable members, and the second movable frame being connected to the second movable frame by a plurality of movable members.

2. The hinge mechanism with closing and retracting function according to claim 1, characterized in that: The first movable frame and the second movable frame have the same structure. The first movable frame includes a first rotating arm and a second rotating arm spaced apart from the first rotating arm. The first bracket is arranged between the first rotating arm and the second rotating arm. The first bracket is provided with a first through hole. The first connecting rod passes through the first rotating arm and the first through hole and protrudes out of the second rotating arm. The first rotating arm is sleeved on the outside of the first axis, and the second rotating arm is rotatably connected to the fixed frame.

3. The hinge mechanism with closing and retracting function according to claim 2, characterized in that: The fixing frame is detachably provided with a press-fit seat, a connecting screw is provided at the connection between the press-fit seat and the fixing frame, a recess is provided at one end of the second rotating arm close to the press-fit seat, the fixing frame is provided with a concave cavity, the press-fit seat is provided with a groove, the outer wall of the recess rotates to contact the inner wall of the concave cavity, and the inner wall of the recess rotates to contact the outer wall of the groove.

4. The hinge mechanism with closing and retracting function according to claim 1, characterized in that: The fixing frame is provided with a first transmission wheel and a second transmission wheel, the first transmission wheel and the second transmission wheel are meshed for transmission, the first axis is meshed with the first transmission wheel, and the second axis is meshed with the second transmission wheel.

5. The hinge mechanism with closing and retracting function according to claim 1, characterized in that: A plurality of first spring pieces and a first adjusting nut for adjusting the expansion and contraction of the plurality of first spring pieces are provided at one end of the first axis away from the fixing frame, and a plurality of second spring pieces and a second adjusting nut for adjusting the expansion and contraction of the plurality of second spring pieces are provided at one end of the second axis away from the fixing frame.

6. The hinge mechanism with closing and retracting function according to claim 1, characterized in that: The first bracket is provided with a first connecting hole, and the second bracket is provided with a second connecting hole.

Images