CN215980415U - Rotating shaft structure and notebook computer - Google Patents

Abstract

The utility model relates to a rotating shaft structure and a notebook computer, which are applied to the notebook computer, wherein the rotating shaft structure comprises a first connecting plate, a second connecting plate and a connecting shaft arranged between the first connecting plate and the second connecting plate; one end of the connecting shaft is connected with the first connecting plate, and the second connecting plate is provided with a mounting hole for the other end of the connecting shaft to pass through so that the second connecting plate can rotate to a preset position around the connecting shaft relative to the first connecting plate; a groove is formed in the position, corresponding to the mounting hole, of the connecting shaft, and the groove is formed in the radial direction of the connecting shaft; an elastic stopping structure is arranged in the groove, one end of the elastic stopping structure is relatively fixed with the connecting shaft, the other end of the elastic stopping structure protrudes out of the groove opening of the groove, and the elastic stopping structure abuts against the inner wall of the mounting hole when the second connecting plate rotates to the preset position. Based on this, the pivot structure that this disclosure provided simple structure, and elasticity backstop structure supports all the time and pushes up on the inner wall of mounting hole, and angle backstop intensity is high, and user experience is good.

Description

Rotating shaft structure and notebook computer

Technical Field

The present disclosure relates to the field of accessory technology for electronic devices, and in particular, to a hinge structure and a notebook computer.

Background

The notebook computer is an electronic device widely used in families and offices, and mainly comprises a display screen and a keyboard base, wherein the display screen and the keyboard base are in pivot connection through a rotating shaft structure. When the keyboard is used, the display screen and the keyboard base can rotate mutually through the rotating shaft structure, so that the included angle between the display screen and the keyboard base can be adjusted.

However, in order to realize the angle stopping, the existing rotating shaft structure usually needs to be provided with a fan-shaped structure on the rotating shaft, the structure is complex, and the connecting plate for fixing the display easily slides across the fan-shaped structure when rotating to a preset position around the rotating shaft, so that the strength of the angle stopping of the rotating shaft is poor, and the user experience is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem or at least partially solve the technical problem, the present disclosure provides a hinge structure and a notebook computer.

In order to achieve the above object, an aspect of the present disclosure provides a hinge structure applied to a notebook computer, the hinge structure including a first connecting plate for connecting a keyboard base of the notebook computer, a second connecting plate for connecting a display screen of the notebook computer, and a connecting shaft disposed between the first connecting plate and the second connecting plate;

one end of the connecting shaft is connected with the first connecting plate, and the second connecting plate is provided with a mounting hole for the other end of the connecting shaft to pass through so that the second connecting plate can rotate around the connecting shaft to a preset position relative to the first connecting plate;

a groove is formed in the position, corresponding to the mounting hole, of the connecting shaft, and the groove is formed in the radial direction of the connecting shaft; an elastic stopping structure is arranged in the groove, one end of the elastic stopping structure is fixed relative to the connecting shaft, the other end of the elastic stopping structure protrudes out of the groove opening of the groove, and the second connecting plate abuts against the inner wall of the mounting hole when rotating to the preset position.

Further, the elastic stopping structure comprises an elastic piece and a stopping piece; one end of the elastic piece is relatively fixed with the connecting shaft, the other end of the elastic piece is connected with the stop piece, and one end, far away from the stop piece, of the elastic piece protrudes out of the groove opening of the groove.

Further, one end of the stop piece far away from the elastic piece comprises a stop surface and a guide surface; the stop surface is used for abutting against the inner wall of the mounting hole, and the guide surface is arranged at the position of the stop surface in a downward inclined mode.

Further, the junction of the guide surface and the stop surface is in smooth transition.

Further, the mounting hole comprises a shaft hole, and part of the inner wall of the shaft hole protrudes outwards to form a stop groove; the backstop groove is used for stopping the elastic backstop structure when the second connecting plate rotates to the maximum preset included angle relative to the included angle between the first connecting plate.

Further, the connecting shaft comprises a first shaft section and a second shaft section, the first shaft section is connected with the first connecting plate, the second shaft section penetrates through the mounting hole, and the groove is formed in the second shaft section.

Furthermore, a stopping portion is arranged on the outer side wall of the second shaft section, and when the second shaft section is arranged in the mounting hole in a penetrating mode, the stopping portion is arranged on one side, close to the first shaft section, of the mounting hole in a blocking mode so as to limit the second connecting plate.

Further, the stopping portion is a stopping flange arranged along the circumferential direction of the outer side wall of the second shaft section, and the outer diameter of the stopping flange is larger than the aperture of the mounting hole.

Further, the second shaft section is provided with two oppositely arranged and parallel cutting planes, and the groove is formed in one of the cutting planes.

Another aspect of the present disclosure provides a notebook computer, including a display screen and a keyboard base, where the display screen and the keyboard base are connected together through the rotating shaft structure.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

according to the rotating shaft structure and the notebook computer, the first connecting plate and the first connecting plate are arranged, and the connecting shaft is arranged between the first connecting plate and the second connecting plate, wherein one end of the connecting shaft is connected with the first connecting plate, the second connecting plate is provided with the mounting hole for the other end of the connecting shaft to pass through, namely, the other end of the connecting shaft is arranged in the mounting hole in the second connecting plate in a penetrating manner, so that the second connecting plate can rotate to a preset position relative to the first connecting plate around the connecting shaft; the position of the connecting shaft corresponding to the mounting hole is provided with a groove, the groove is formed along the radial direction of the connecting shaft, an elastic stopping structure is arranged in the groove, one end of the elastic stopping structure is relatively fixed with the connecting shaft, the other end of the elastic stopping structure protrudes out of a groove opening of the groove, and the elastic stopping structure abuts against the inner wall of the mounting hole when the second connecting plate rotates to a preset position. During the concrete use, elastic deformation takes place for the elasticity backstop structure under the exogenic action, so that the second connecting plate can rotate to predetermineeing the position around the connecting axle, meanwhile, the exogenic force disappears, thereby make the elasticity backstop structure support stably under the effect of elasticity on the inner wall of mounting hole, at this moment, first connecting plate keeps can not rock for the second connecting plate in this predetermineeing position department, because first connecting plate is connected with notebook computer's keyboard base, the second connecting plate is connected with notebook computer's display screen, consequently, the display screen keeps can not slide for the keyboard base in this predetermineeing position department. Based on this, the pivot structure that this disclosure provided simple structure, and elasticity backstop structure supports all the time and pushes up on the inner wall of mounting hole, and angle backstop intensity is high, and user experience is good.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a perspective view of a first viewing angle of a spindle structure according to an embodiment of the disclosure;

FIG. 2 is a side view of a first perspective view of the hinge structure of FIG. 1;

FIG. 3 is a perspective view of a second perspective view of the hinge structure according to the embodiment of the disclosure;

FIG. 4 is a side view of a second perspective view of the hinge structure of FIG. 3;

FIG. 5 is a side view of a second connecting plate of the hinge structure according to the embodiment of the disclosure, wherein the structure of the mounting hole is shown;

fig. 6 is a perspective view of a connecting shaft of the rotating shaft structure according to the embodiment of the disclosure;

FIG. 7 is a schematic view of an elastic stopping structure of a hinge structure according to an embodiment of the disclosure;

fig. 8 is a perspective view of a notebook computer according to an embodiment of the disclosure, in which a specific structure of a rotating shaft structure is shown.

Wherein, 1, a first connecting plate; 11. a first assembly hole; 2. a second connecting plate; 21. mounting holes; 211. a shaft hole; 212. a stopper groove; 22. a second assembly hole; 3. a connecting shaft; 31. a first shaft section; 311. a second connection hole; 32. a second shaft section; 4. a groove; 5. an elastic stop structure; 51. an elastic member; 52. a stopper; 521. a stop surface; 522. a guide surface; 6. a stop flange; 7. cutting a plane; 8. a notebook computer; 81. a keyboard base; 82. a display screen.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

Example one

Referring to fig. 1 to 7, the present embodiment provides a hinge structure applied to a notebook computer 8, the hinge structure including a first connecting plate 1 for connecting a keyboard base 81 of the notebook computer 8, a second connecting plate 2 for connecting a display screen 82 of the notebook computer 8, and a connecting shaft 3 disposed between the first connecting plate 1 and the second connecting plate 2.

The first connecting plate 1 and the second connecting plate 2 are metal connecting plates made of any suitable materials such as iron and stainless steel, and are high in mechanical strength and good in bearing performance.

In addition, at least two first assembly holes 11 are arranged on the first connecting plate 1 at intervals, and the first connecting plate 1 and the keyboard base 81 of the notebook computer 8 are connected together through fasteners penetrating through the first assembly holes 11; at least two second assembling holes 22 are arranged on the second connecting plate 2 at intervals, and the second connecting plate 2 and the display screen 82 of the notebook computer 8 are connected together through fasteners penetrating through the second assembling holes 22. It is easily understood by those skilled in the art that the first connecting plate 1 and the second connecting plate 2 may be formed in any suitable shape, and may be arbitrarily selected according to the specific model of the notebook computer 8, which is not limited herein.

In the present embodiment, referring to fig. 1 and 3, one end of the connecting shaft 3 is connected to the first connecting plate 1, and the second connecting plate 2 is provided with a mounting hole 21 for passing the other end of the connecting shaft 3 therethrough, so that the second connecting plate 2 can rotate around the connecting shaft 3 to a preset position relative to the first connecting plate 1; a groove 4 is formed in the position, corresponding to the mounting hole 21, of the connecting shaft 3, the groove 4 is formed in the radial direction of the connecting shaft 3, the depth of the groove 4 is smaller than the diameter of the connecting shaft 3, and the opening of the groove 4 is flush with the side wall of the connecting shaft 3; an elastic stopping structure 5 is arranged in the groove 4, one end of the elastic stopping structure 5 is relatively fixed with the connecting shaft 3, the other end of the elastic stopping structure 5 protrudes out of the groove opening of the groove 4, and abuts against the inner wall of the mounting hole 21 when the second connecting plate rotates to a preset position.

During the concrete implementation, connecting axle 3 and first connecting plate 1 can link together through the fastener, and of course, connecting axle 3 also can bond together through the structure with first connecting plate 1, can choose for use wantonly according to specific use operating mode, does not do too much restriction here.

Wherein, mounting hole 21 sets up in the one side that is close to first connecting plate 1 of second connecting plate 2, mounting hole 21 and connecting axle 3 phase-match to make the other end of connecting axle 3 run through in mounting hole 21, and make second connecting plate 2 can rotate around connecting axle 3, with the contained angle between adjustment second connecting plate 2 and the first connecting plate 1, also be exactly the contained angle between adjustment display screen 82 and the keyboard base 81.

In addition, when connecting axle 3 assembles in mounting hole 21, the notch of recess 4 is just right with the inner wall of mounting hole 21 to make the elasticity backstop structure 5 that sets up in recess 4 can support perpendicularly on the inner wall of mounting hole 21, the torsion decay reduces, and angle backstop intensity is high, and user experience is good.

In the present embodiment, the elastic stopper structure 5 has an elastic force that can make the other end of the elastic stopper structure 5 abut against the inner wall of the mounting hole 21. In a specific operation, under the action of an external force, which is greater than the elastic force of the elastic stopping structure 5, the elastic stopping structure 5 is elastically deformed and the second connecting plate 2 rotates around the connecting shaft 3. When second connecting plate 2 rotated to predetermineeing the position, external force disappeared, elasticity backstop structure 5's elastic force resumes, and elasticity backstop structure 5's the other end continues to support on the outer wall of mounting hole 21 under the effect of elastic force, and at this moment, second connecting plate 2 keeps in this predetermined position department under the effect of elastic force, that is to say, the contained angle between display screen 82 and the keyboard base 81 is fixed, simple structure, convenient to use, angle backstop intensity is high.

Through the technical scheme, the rotating shaft structure and the notebook computer 8 provided by the embodiment are characterized in that the first connecting plate 1 and the first connecting plate 1 are arranged, and the connecting shaft 3 is arranged between the first connecting plate 1 and the second connecting plate 2, wherein one end of the connecting shaft 3 is connected with the first connecting plate 1, and the second connecting plate 2 is provided with the mounting hole 21 for the other end of the connecting shaft 3 to pass through, that is, the other end of the connecting shaft 3 penetrates through the mounting hole 21 on the second connecting plate 2, so that the second connecting plate 2 can rotate around the connecting shaft 3 to a preset position relative to the first connecting plate 1; the connecting shaft 3 is provided with a groove 4 at a position corresponding to the mounting hole 21, the groove 4 is formed along the radial direction of the connecting shaft 3, an elastic stopping structure 5 is arranged in the groove 4, one end of the elastic stopping structure 5 is relatively fixed with the connecting shaft 3, the other end of the elastic stopping structure 5 protrudes out of a notch of the groove 4, and the elastic stopping structure abuts against the inner wall of the mounting hole 21 when the second connecting plate 2 rotates to a preset position. During the specific use, elastic deformation takes place for elastic stopping structure 5 under the exogenic action, so that second connecting plate 2 can rotate to preset the position around connecting axle 3, meanwhile, the exogenic force disappears, thereby make elastic stopping structure 5 support under the effect of elasticity on the inner wall of mounting hole 21 steadily, at this moment, first connecting plate 1 keeps can not rock for second connecting plate 2 in this preset position department, because first connecting plate 1 is connected with keyboard base 81 of notebook computer 8, second connecting plate 2 is connected with display screen 82 of notebook computer 8, consequently, display screen 82 keeps can not slide for keyboard base 81 in this preset position department. Based on this, the pivot simple structure that this disclosure provided, and elasticity backstop structure is started 5 and is supported on the inner wall of mounting hole 21 at last, and angle backstop intensity is high, and user experience is good.

Referring to fig. 7, the elastic stopper structure 5 includes an elastic member 51 and a stopper 52; one end of the elastic element 51 is fixed relative to the connecting shaft 3, that is, one end of the elastic element 51 is fixed relative to the inner wall of the groove 4, the other end of the elastic element 51 is connected with the stop element 52, and one end of the stop element 52 far away from the elastic element 51 protrudes out of the notch of the groove 4.

In specific implementation, the elastic member 51 may be relatively fixed to the groove wall of the groove 4, or may be relatively fixed to the groove bottom of the groove 4, and may be arbitrarily selected according to specific working conditions, which is not limited herein.

The elastic member 51 may be a spring, a stretch cord, or the like.

In addition, the number of the elastic members 51 may be one or plural, and when the number of the elastic members 51 is plural, the plural elastic members 51 are arranged in the groove 4 at intervals in the circumferential direction of the groove 4.

In this embodiment, one end of the stopper 52 far from the elastic element 51 protrudes out of the notch of the groove 4 and matches with the inner wall of the mounting hole 21, so that one end of the stopper 52 far from the elastic element 51 can stably abut against the inner wall of the mounting hole 21, and the angle stopping strength is high.

Exemplarily, the stop part 52 is a convex column, and one end of the convex column close to the elastic part 51 is located in the groove 4, so that the groove 4 can limit the stop part 52, thereby preventing the stop part 52 from shaking along the circumferential direction of the stop part 52 under the action of the elastic part 51, improving the angle stop strength between the first connecting plate 1 and the second connecting plate 2, and providing good user experience.

Further, referring to fig. 2, 4 and 7, an end of the stopper 52 away from the elastic member 51 includes a stopper surface 521 and a guide surface 522; the stop surface 521 is used for abutting against the inner wall of the mounting hole 21, the guide surface 522 is arranged in a downward inclined mode from the stop surface 521, the inclined angle of the stop surface 521 relative to the guide surface 522 is 40-50 degrees, and the included angle between the display screen 82 and the keyboard base 81 is convenient to adjust.

Stop member 52 the recess 4 of the elastic member 51 is preferably smooth transition at the connection of the guide surface 522 and the stop surface 521, which helps to improve the angle stop strength between the first connecting plate 1 and the second connecting plate 2, and the user experience is good.

In the present embodiment, referring to fig. 5, the mounting hole 21 includes a shaft hole 211, and a part of the inner wall of the shaft hole 211 protrudes outward to form a stopping groove 212, and the stopping groove 212 is used for stopping the elastic stopping structure 5 when the second connecting plate 2 rotates to a maximum preset included angle with the first connecting plate 1.

In particular, the stopping groove 212 is matched with one end of the stopping piece 52 far away from the elastic piece 51. For convenience of operation, the stopping groove 212 is communicated with the shaft hole 211, and at the joint of the stopping groove 212 and the shaft hole 211, a groove wall on one side of the stopping groove 212 is approximately perpendicular to the shaft hole 211, i.e., a groove wall on one side of the stopping groove 212 is formed into a plane groove wall, a groove wall on the other side of the stopping groove 212 is an arc groove wall, and the arc groove wall is in smooth transition with the shaft hole 211.

Exemplarily, referring to fig. 1, when the second connecting plate 2 rotates to the maximum predetermined angle with respect to the first connecting plate 1, the stopper 52 is located in the stopping groove 212, and the stopper 52 abuts against the inner wall of the stopping groove 212, and the stopper 52 is attached to at least the planar groove wall of the stopping groove 212. At this time, the second connecting plate 2 is rotated clockwise, that is, when the display screen 82 is continuously opened, the stop groove 212, especially the planar groove wall of the stop groove 212, has a limiting effect on the stop member 52, that is, when the second connecting plate 2 is rotated to the maximum preset included angle with the first connecting plate 1, the second connecting plate 2 cannot be rotated clockwise, and the stop effect is good. When the second connecting plate 2 rotates counterclockwise, i.e. the display screen 82 continues to be closed, and the stop member 52 slides to the preset position along the arc-shaped groove wall of the stop wall, under the action of the elastic member 51, the stop member 52 abuts against the inner wall of the mounting hole 21, the angle stop strength is high, and the user experience is good.

Illustratively, referring to fig. 3, when the second connecting plate 2 rotates to an angle with the first connecting plate 1, which is a middle preset angle, the stopper 52 abuts against the inner wall of the shaft hole 211, and at this time, the second connecting plate 2 may rotate in either a clockwise direction to open the display 82 or a counterclockwise direction to close the display 82.

In the present embodiment, for convenience of assembly, the connecting shaft 3 includes a first shaft section 31 and a second shaft section 32, the first shaft section 31 is connected with the first connecting plate 1, the second shaft section 32 is inserted into the mounting hole 21, and the groove 4 is opened on the second shaft section 32.

In a specific implementation, referring to fig. 1, 3 and 6, a first connection hole for connecting with the first shaft section 31 is formed in the first connection plate 1, a second connection hole 311 matching with the first connection hole is formed in the first shaft section 31, and the first connection hole is aligned with the second connection hole 311 and can fix the first shaft section 31 and the first connection plate 1 together through a fastener.

For stable connection, at least two first connection holes are spaced apart from each other on the first connection plate 1, and correspondingly, at least two second connection holes 311 are spaced apart from each other on the first shaft section 31, and one first connection hole corresponds to one second connection hole 311.

In addition, for convenience of assembly, a side wall of the first shaft section 31 adjacent to the first connection plate 1 is provided as a flat surface. Preferably, the side walls of the first shaft section 31 close to and far from the first connection plate 1 are both provided as planes, and the first connection holes are opened on two planes of the first shaft section 31, which helps to improve the connection stability of the first shaft section 31 and the first connection plate 1.

In this embodiment, referring to fig. 6, a stopping portion is disposed on an outer side wall of the second shaft section 32, and when the second shaft section 32 is inserted into the mounting hole 21, the stopping portion is stopped at a side of the mounting hole 21 close to the first shaft section 31 to limit the second connecting plate 2, so as to prevent the elastic stopping structure 5 from being misaligned with the mounting hole 21, so that the torsion loss is small, and the angle stopping strength is high.

Wherein, backstop portion can be the backstop piece, and the backstop is protruding, and when second axle section 32 worn to establish in mounting hole 21, backstop portion can carry on spacingly to second connecting plate 2 can. Preferably, referring to fig. 6, the stopper is a stopper flange 6 circumferentially disposed along the outer side wall of the second shaft section 32, and the outer diameter of the stopper flange 6 is larger than the bore diameter of the mounting hole 21.

In the present embodiment, referring to fig. 1 to 3 and 6, the second shaft section 32 has two oppositely disposed and parallel cutting planes 7, the groove 4 is opened on one of the cutting planes 7, and the included angle between the cutting plane 7 and the horizontal plane is 2-5 °.

Example two

Referring to fig. 1 to 8, the present embodiment provides a notebook computer 8, which includes a display 82 and a keyboard base 81, wherein the display 82 and the keyboard base 81 are connected together through the above-mentioned rotating shaft structure.

The structure of the rotating shaft in this embodiment is the same as that of the rotating shaft provided in the first embodiment, and can bring about the same or similar technical effects, and details are not repeated here, and specific reference may be made to the description of the first embodiment.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A rotating shaft structure is applied to a notebook computer (8), and is characterized by comprising a first connecting plate (1) used for connecting a keyboard base (81) of the notebook computer (8), a second connecting plate (2) used for connecting a display screen (82) of the notebook computer (8) and a connecting shaft (3) arranged between the first connecting plate (1) and the second connecting plate (2);

one end of the connecting shaft (3) is connected with the first connecting plate (1), and the second connecting plate (2) is provided with a mounting hole (21) for the other end of the connecting shaft (3) to pass through, so that the second connecting plate (2) can rotate around the connecting shaft (3) to a preset position relative to the first connecting plate (1);

a groove (4) is formed in the position, corresponding to the mounting hole (21), of the connecting shaft (3), and the groove (4) is formed in the radial direction of the connecting shaft (3); an elastic stop structure (5) is arranged in the groove (4), one end of the elastic stop structure (5) is relatively fixed with the connecting shaft (3), the other end of the elastic stop structure (5) protrudes out of the groove opening of the groove (4), and the second connecting plate (2) rotates to the preset position and abuts against the inner wall of the mounting hole (21).

2. The spindle structure according to claim 1, characterized in that the elastic stop structure (5) comprises an elastic member (51) and a stop member (52);

one end of the elastic piece (51) is fixed relative to the connecting shaft (3), the other end of the elastic piece (51) is connected with the stop piece (52), and one end, far away from the elastic piece (51), of the stop piece (52) protrudes out of the notch of the groove (4).

3. The spindle structure according to claim 2, characterized in that the end of the stop member (52) remote from the elastic member (51) comprises a stop surface (521) and a guide surface (522);

the stop surface (521) is used for abutting against the inner wall of the mounting hole (21), and the guide surface (522) is arranged at the position of the stop surface (521) in a downward inclined mode.

4. The spindle structure according to claim 3, characterized in that the junction of the guide surface (522) and the stop surface (521) transitions smoothly.

5. The spindle structure according to any one of claims 1 to 4, wherein the mounting hole (21) includes a shaft hole (211), and a part of an inner wall of the shaft hole (211) protrudes outward to form a stopper groove (212);

the stopping groove (212) is used for stopping the elastic stopping structure (5) when the second connecting plate (2) rotates to the maximum preset included angle relative to the included angle between the second connecting plate and the first connecting plate (1).

6. Pivot structure according to any one of claims 1 to 4, characterized in that the connection shaft (3) comprises a first shaft section (31) and a second shaft section (32), the first shaft section (31) being connected with the first connection plate (1), the second shaft section (32) being arranged through the mounting hole (21), the groove (4) being provided on the second shaft section (32).

7. The rotating shaft structure according to claim 6, wherein a stop portion is arranged on an outer side wall of the second shaft section (32), and when the second shaft section (32) is inserted into the mounting hole (21), the stop portion is stopped at a side of the mounting hole (21) close to the first shaft section (31) to limit the second connecting plate (2).

8. The spindle structure according to claim 7, characterized in that the stopper is a stop flange (6) circumferentially arranged along an outer side wall of the second shaft section (32), and an outer diameter of the stop flange (6) is larger than a bore diameter of the mounting hole (21).

9. Pivot structure according to claim 6, characterised in that the second shaft section (32) has two oppositely arranged and parallel cutting planes (7), the groove (4) opening onto one of the cutting planes (7).

10. A notebook computer comprising a display screen (82) and a keyboard base (81), characterized in that the display screen (82) and the keyboard base (81) are connected together by a hinge structure according to any one of claims 1 to 9.

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