CN200965653Y - Improved Structure of Notebook Computer Pivot - Google Patents

Abstract

The improved structure of the notebook computer pivot of the utility model comprises a body, a bushing, a pipe and a rotating shaft. One end of the body is a pivot end, and the pivot end is formed with a first hole and a second hole communicating with each other. The bushing forms a limiting end and a biting end, wherein the polygon of the biting end is biting in the second hole, and the limiting end is limited to the limiting part of the first hole by its convex part, so that the bushing can withstand high torque and high shear force. The structural strength of the pivot is excellent and can withstand large torque.

Description

Improved Structure of Notebook Computer Pivot

technical field

The utility model relates to a notebook computer, in particular to a pivot of the notebook computer.

Background technique

The pivot of the notebook computer is often turned, and it is easy to cause fatigue due to repeated rotation at the turning place. For example, the Chinese Patent Publication No. CN2821654 "A shaft structure used in a notebook computer", wherein the shaft structure 20 is The annular body 23 made of metal is in the shape of a C-shaped ring. When the liquid crystal display module 30 rotates in the gap of the annular body 23 in the reverse direction, when the rotating shaft 22 rotates, there is no supporting point with the gap of the annular body 23 so that there is no friction force, the relative torque value also becomes smaller, and then the liquid crystal display module 30 can be opened labor-savingly. When the liquid crystal display module 30 is closed, it rotates at the gap of the annular body 23 in the forward direction, and the friction between the rotating shaft 22 and the annular body 23 becomes larger. The relative torque value also becomes larger, and then the liquid crystal display module 30 has to be closed with more effort.

The existing rotating shaft 22 only relies on the setting of the gap with the annular body 23 to control the positioning effect through the amount of friction, but it cannot do effective and accurate positioning, and this kind of surface-to-surface friction will last for a long time. When the two metals Through continuous wear, the effect of the friction positioning will disappear due to wear. Furthermore, the metal annular body 23 is processed by traditional processing methods, such as sheet metal bending or CNC automatic lathe processing, and this component must bear a huge torque due to repeated turning, and the above processing This method cannot improve the anti-fatigue strength of components, and the traditional processing speed is not enough, and it still cannot meet the requirements of rapid mass production. In view of the above-mentioned deficiencies, the designer of the utility model has made continuous experiments and the utility model to meet the requirements of how to make the rotating parts have a more precise positioning, can withstand a larger torque value, and can achieve faster mass production. , is to design an improved structure of a notebook computer pivot, hoping to improve the existing technical problems to be solved.

Contents of the invention

Aiming at the deficiencies of the prior art, the purpose of this utility model is to provide an improved structure of the pivot of a notebook computer, which solves the problem that the existing shaft cannot withstand high torsion and high shear force and is prone to fatigue.

For realizing above-mentioned object, the technical scheme that the utility model adopts is:

An improved structure of a notebook computer pivot, characterized in that it includes: a body, including a fixed end and a pivot end, and the pivot end is formed with a first hole and a second hole in communication; A bushing, one end is a restricting end, the other end is an occlusal end, a sleeve is provided inside the restricting end, the occlusal end is pierced in the first hole of the body, and the restricting end is pierced in the second hole, The bush is fastened and fixed with the body; a pipe is passed through the sleeve of the bush and fixed; a rotating shaft includes a pivot end and a fixed end, and the pivot The turning end is pivotally threaded through the pipe.

The restricting end of the bushing includes a convex portion, the first hole of the body includes a limiting portion, and the convex portion passes through the limiting portion.

Both the convex portion and the limiting portion are in the shape of a dovetail.

The occlusal end of the bush is implemented in the same shape as the second hole of the body.

The occlusal end of the bush and the second hole of the body are polygonal.

A plurality of axial grooves are provided on the peripheral surface of the occlusal end.

The pipe piece includes a pivoting part and a positioning part.

The sleeve portion of the bushing includes a groove, and the positioning portion of the pipe is pierced in the groove.

The pipe fitting is bent into a polygonal shape by a spring leaf.

The outer periphery of the pivoting part of the pipe is provided with several oil storage parts.

Compared with the prior art, the utility model adopting the above-mentioned technical solution has the advantages of:

1. The bushing of this utility model is integrally formed by powder metallurgy, so that the output is fast and the structural strength is excellent.

2. The convex part of the bushing of the utility model is set on the limiting part of the body, and the bushing can withstand high shear force by virtue of the dovetail-shaped engagement.

3. The occlusal end of the bushing of the utility model is polygonal and has a plurality of grooves on the periphery, which is occluded in the body by virtue of this shape, and can withstand relatively large torque.

Description of drawings

Fig. 1 is the three-dimensional exterior view of the utility model;

Fig. 2 is a three-dimensional exploded view of the utility model;

Fig. 3 is a sectional view of the utility model taken along the 3-3 section line of Fig. 1, and a schematic diagram of the pivoting shaft described in the table to the open position;

Fig. 4 is a continuation of Fig. 3 of the present invention, a schematic diagram of the pivot described in the table being installed in a notebook computer;

Fig. 5 is a schematic diagram of the pivoting shaft of the utility model to the closed position;

Fig. 6 is a continuation of Fig. 5 of the present invention, a schematic diagram of the pivot described in the table being installed in a notebook computer;

Fig. 7 is the sectional view that the utility model is taken along the 7-7 section line of Fig. 1, the schematic diagram of the bush limit end described in the table;

Fig. 8 is a sectional view of the utility model taken along section line 8-8 in Fig. 1, and a schematic diagram of the occlusal end of the bushing described in the table.

Description of reference signs: 10-body; 11-fixed end; 12-fixed hole; 13-pivot end; 14-first hole; 15-second hole; 16-limiting end; 17-limiting part; 20- Bushing; 21-restricted end; 22-convex part; 23-sleeve part; 24-container part; 25-groove; 26-occlusal end; 33-oil storage part; 34-locating surface; 40-rotating shaft; 41-fixed end; 42-fixed hole; 43-pivot end; 44-concave ring; 50-notebook computer; Screen.

Detailed ways

Regarding the technology, means and effects adopted by the utility model, a preferred embodiment is given and described in detail below in conjunction with the drawings. This is for illustration only, and is not limited by this structure in the patent application.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , it is a schematic diagram of the improved structure of the notebook computer pivot of the present invention. The utility model includes a body 10 , a bushing 20 , a pipe 30 and a rotating shaft 40 . The body 10 is approximately L-shaped in appearance and has two ends, one of which is a fixed end 11 and has two fixing holes 12 . The other end is a pivot end 13, the pivot end 13 includes a first hole 14 and a second second hole 15, and the two holes 14, 15 communicate, the first hole 14 forms a shaft The limiting portion 16 is in the shape of a dovetail groove. The cross-section of the second hole 15 is non-circular, and is polygonal in this embodiment.

The bushing 20 is processed by powder metallurgy. The bushing 20 is in the shape of a letter and has two ends. The first end is a restricting end 21 whose shape is exactly the same as the first hole 14 of the body 10 and has a convex portion 22. Portion 22 is also dovetail shaped. The limiting end 21 is axially formed with a sleeve portion 23, and the sleeve portion 23 extends a smaller-diameter container portion 24 at the closed position, and the sleeve portion 23 is axially formed with a groove 25, and the groove 25 is implemented as a square slot. The second end of the bushing 20 is the occlusal end 26, and the peripheral surface of the occlusal end 26 is provided with axial number grooves 27. By virtue of the design of the grooves 27, the bushing 20 can be easily penetrated into said body 10 . The cross-section of the occlusal end 26 is also non-circular, and is polygonal in this embodiment. The occlusal end 26 of the second end of the bushing 20 is passed through the second hole 15 of the main body 10, and occluded in the second hole 15, by virtue of the occlusal end 26 and the second hole 15 The male and female fit together, so that the bushing 20 can bear a larger torque value.

The pipe fitting 30 is bent into a polygonal shape by a spring piece to form a pivoting portion 31 and a positioning portion 32, wherein the outer edge of the pivoting portion 31 is provided with several concave oil storage portions 33, and A number of positioning surfaces 34 (see Figure 7) are formed at the turning point, and the positioning portion 32 is the two ends of the laminated spring leaf, and the multiple positioning portions 32 are in a fit shape, and many It is warped. Let the pipe fitting 30 pass through the sleeve portion 23 of the bush 20, the fitting positioning portion 32 can easily pass through the groove 25 of the bush 20, and the raised The positioning portion 32 prevents the pipe piece 30 from falling off from the bushing 20 .

One end of the rotating shaft 40 is a fixed end 41 with a plurality of fixing holes 42 . The other end is a pivot end 43 , and two concave rings 44 are formed at the pivot end 43 . The rotating shaft 40 is passed through the pivoting portion 31 of the sleeve 30 .

Referring to FIG. 4 , it is a schematic diagram of a notebook computer in which the pivot of the present invention is located. The main body 10 is locked on the main body 51 of the notebook computer 50 , and the rotating shaft 40 is locked on the screen 52 . In this drawing, the screen 52 is in an open state, and the pivot shaft 40 is tightly fitted in the pipe member 30 , and can be positioned at any angle when pivoted to the open position.

Referring to FIG. 5 and FIG. 6 , it is a schematic diagram of the pivot of the utility model pivoting to the closed position. The rotating shaft 40 of the present utility model is pivoted to the closed position, so that the fixing hole 12 of the main body 10 and the fixing hole 42 of the rotating shaft 40 are pivoted to the same plane, thereby driving the screen 52 of the notebook computer 50 Cover on the main body 51 .

Referring to FIG. 7 and FIG. 8 , it is a schematic diagram of the bushing 20 passing through the first hole 14 and the second hole 15 of the body 10 of the present invention. The dovetail-shaped protrusion 22 of the restricting end 21 of the bushing 20 is just clamped on the restricting end 16 of the first hole 14 of the body 10 , so as to restrict the bushing 20 from being able to be positioned at the pivoting end 13 . Internal pivoting, this clamping method can withstand large shear force. The pipe member 30 is passed through the sleeve portion 23 of the bushing 20, so that the positioning portion 32 is limited to the groove 25 of the bushing 20, and the outer edge of the pivoting portion 31 is polygonal. , and the positioning surface 34 at the outer edge is an arc-shaped surface, so that when the pipe member 30 is passed through the sleeve portion 23, it is in surface contact rather than point contact. (Refer to Fig. 3 at the same time) The pivotal end 43 of described rotating shaft 40 passes through the pivotal part 31 of described pipe 30, makes described two recessed rings 44 partially correspond to described pipe 30, makes described The pivoting end 43 contacts the pivoting portion 31 with a line.

The polygonal occlusal end 26 of the bushing 20 passes through the second hole 15 of the body 10 , which is also polygonal. Through the polygonal design of the occlusal end 26 , it can withstand relatively large torque.

The bushing of the utility model is integrally formed by powder metallurgy and has the advantage of high strength. The bushing is restricted in the body by virtue of the dovetail-shaped convex part piercing the limiting part of the body without Rotate, the dovetail-shaped protrusion design makes the bush withstand high shear force, and the occlusal end of the bush is provided with a groove to bite into the second hole of the body, again strengthening the The torsional force of the bushing increases its torsion.

The above description is only illustrative, rather than restrictive, of the present utility model. Those of ordinary skill in the art understand that many modifications, changes or equivalents can be made without departing from the spirit and scope defined in the claims. But all will fall within the limitable scope of the claims of the present utility model.

Claims (10)

1. the improvement structure of a notebook computer pivot shaft, it is characterized in that: it includes:

One body includes a stiff end and a pivot end, and described pivot end is formed with first hole and second hole that communicates;

One lining, an end is the restriction end, and an end is an occlusal end, is provided with a cover portion in the described restriction end, and described occlusal end is located in first hole of body, and the restriction end is located in second hole, and described lining and described body are fixed;

One pipe fitting is located in the cover portion of described lining and is fixed;

One rotating shaft includes a hub switch side and a stiff end, and described hub switch side articulates and is located in the described pipe fitting.

2. the improvement structure of notebook computer pivot shaft according to claim 1, it is characterized in that: the restriction end of described lining includes a protuberance, and first hole of described body includes a limiting section, and described protuberance is located in the described limiting section.

3. the improvement structure of notebook computer pivot shaft according to claim 2, it is characterized in that: described protuberance and described limiting section are all to be the dovetail shape.

4. the improvement structure of notebook computer pivot shaft according to claim 1, it is characterized in that: the occlusal end of described lining is to be embodied as identical shape with second hole of described body.

5. the improvement structure of notebook computer pivot shaft according to claim 1, it is characterized in that: second hole of the occlusal end of described lining and described body is to be embodied as polygon.

6. the improvement structure of notebook computer pivot shaft according to claim 5, it is characterized in that: the side face of described occlusal end is provided with axial plurality of grooves.

7. the improvement structure of notebook computer pivot shaft according to claim 1, it is characterized in that: described pipe fitting includes a pivot part and a location division.

8. the improvement structure of notebook computer pivot shaft according to claim 7, it is characterized in that: the cover portion of described lining includes a groove, is equipped with the location division of described pipe fitting in the described groove.

9. the improvement structure of notebook computer pivot shaft according to claim 7, it is characterized in that: described pipe fitting is to be bent into polygon by spring leaf.

10. the improvement structure of notebook computer pivot shaft according to claim 7 is characterized in that: the pivot part outer peripheral edges of described pipe fitting are provided with several oil storage portion.

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