CN2399764Y

CN2399764Y - Improved revolution axis device of notebook computer

Info

Publication number: CN2399764Y
Application number: CN 99218673
Authority: CN
Inventors: 武以娟
Original assignee: Zhaoli Information Industry Co
Current assignee: Jarllytec Co Ltd
Priority date: 1999-09-24
Filing date: 1999-09-24
Publication date: 2000-10-04
Anticipated expiration: 2009-09-24

Abstract

The utility model discloses an improved rotary shaft device of a notebook computer. The utility model comprises a supporting frame, a vertical part which can be formed at one end of the supporting frame and can form a shaft hole, a rotary shaft which can correspondingly thread through the shaft hole, an inner oil tank spacer and an outer oil tank spacer which are respectively arranged at the inside and the outside of the vertical part and are used for correspondingly threading though the rotary shaft, an acetabuliform bullet fragment which is arranged at the outside of the outer oil groove spacer and is used for threading though the rotary shaft, and a nut cap which is arranged at the tail end of the rotary shaft and are used for making the acetabuliform bullet fragment fixed. The inner oil tank spacer and the outer oil tank spacer are respectively relative to oil tanks formed on the inner side surface of the vertical part. The oil tanks are used for pouring the lubricating oil so as to effectively reduce the friction force of the pivot of the rotary shaft and to enhance smoothness.

Description

Improved notebook computer rotation shaft device

The utility model relates to a kind of computer rotation shaft device, refers to a kind of improved notebook computer rotation shaft device of taking into account pivot smooth degree and positioning function especially.

Alleged herein " computer rotation shaft " be meant and be located between notebook computer and its loam cake, uses to constitute to articulate and be convenient to loam cake and lift and open and close the pivot constructed of closing.As shown in Figure 6, be existing a kind of computer rotation shaft, it includes:

One bolster 70, one end are formed with the frame sheet 71 of vertical direction, on the frame sheet 71 and be formed with an axis hole 72;

One rotating shaft 80, the one end is formed with jack-post 81, for the corresponding axis hole 72 that passes on the frame sheet 71, on these jack-post 81 diametric planes and be formed with screw thread 82;

Video disc 73 before one is positioned at frame sheet 71 outsides, and its central authorities are formed with axis hole 730, supplies the jack-post 81 of rotating shaft 80 to pass, and these axis hole 730 peritreme places are formed with several oil grooves 731, for injecting lubricating oil;

Video disc 74 in one is positioned at frame sheet 71 inboards, and its central authorities are formed with axis hole 740, supplies the jack-post 81 of rotating shaft 80 to pass, and these axis hole 740 peritreme places also are formed with several oil grooves 741, for injecting lubricating oil;

One back video disc 75 is positioned at video disc 74 outsides, and its central authorities are formed with axis hole 750, supplies the jack-post 81 of rotating shaft 80 to pass;

One spacer 76 is positioned at video disc 75 outsides, back, and its central authorities are formed with perforation 760, supplies the jack-post 81 of rotating shaft 80 to pass;

One spring 77 is positioned at spacer 76 outsides, and passes for jack-post 81;

One nut 78 is positioned at spring 77 outsides, and spiral shell is located at jack-post 81 ends of rotating shaft 80; Wherein:

When nut 78 screws, preceding video disc 73, interior video disc 74 and back video disc 75 will be subjected to relative compression, thereby the jack-post of countershaft 80 81 produces the strength of a tension, utilizes this tension strength that the computer upper cover that is connected with rotating shaft 80 can be stagnated in any angle.Lift and open or closed action when computer upper cover again, rotating shaft 80 will be pivoted because preceding video disc 73 and in be marked with lubricating oil in the oil groove 731,741 of video disc 74, with the jack-post 81 generation lubricant effects of countershaft 80.

There is following shortcoming in above-mentioned existing computer rotation shaft structure, waits to overcome:

1 lubricant effect is not good: though the oil groove 731 of aforementioned computer rotation shaft video disc 74 in its preceding video disc 73 reaches, be marked with lubricating oil in 741, so that the jack-post of countershaft 80 81 produces lubricant effect, but before the position that really produces frictional resistance is,

interior video disc

73,74 with frame sheet 71 in, the composition surface of lateral surface, friction that this kind face contact form is produced is very apparent, this location for rotating shaft 80 can produce benefits, but for the smooth degree that pivots is harmful effect, and the measure that solves the pivot smooth degree of relying of aforementioned computer rotation shaft only is oil groove 731, inject lubricating oil in 741, but this oil groove 731,741 is very little with the contact area of frame sheet 71, so lubricant effect is very limited, thereby its pivot smooth degree is obviously undesirable.

2 parts are too much: aforementioned computer rotation shaft is for taking into account location and pivot smooth degree, utilize a considerable number of flexible member, as preceding, interior,

back video disc

73,74,75 and spring 77 etc., however, still as described in the preceding paragraph, its pivot smooth degree is unsatisfactory, under this state, it adopts the flexible member of considerable amount and fails to bring into play due benefit, and improves manufacturing cost relatively.

The utility model fundamental purpose is to overcome the deficiency of existing computer rotation shaft, a kind of pivot smooth degree and positioning function taken into account is provided, and can further reduces the improved notebook computer rotation shaft device of number of elements.

For achieving the above object, the utility model provides a kind of improved notebook computer rotation shaft device, and it comprises:

One bolster;

One is formed at bolster one end and is formed with the vertical component effect of axis hole;

One correspondence is passed the rotating shaft of aforementioned axis hole;

The one outer oil sump pad of being located at the vertical component effect outside and running through for the rotating shaft correspondence;

One is located at the inboard inner oil sump pad that also runs through for the rotating shaft correspondence of vertical component effect;

Two are located at the dish-shaped shell fragment that the outer oil sump pad outside is also run through for rotating shaft;

One spiral shell is located at the terminal nut of also fixing dish-shaped shell fragment according to this of rotating shaft;

This inside and outside oil groove pad is formed with the oil groove of rectangular ditch shape respectively on the medial surface of relative vertical component effect, for filling lubricating oil.

Aforementioned inside and outside oil groove pad is formed with a word or cruciform oil groove respectively on the medial surface of relative vertical component effect, establish lubricating oil in the oil groove, can effectively reduce the friction of itself and vertical component effect joint by this, and then improve its pivot smooth degree.

Another purpose of the utility model provides a kind of improved notebook computer rotation shaft device that limits pivoting angle again, its technological means of taking is that the vertical component effect upper limb in aforementioned bolster is formed with a lug that stretches to lateral surface, the outer oil sump pad is formed with the recess of suitable angle in the upper limb place again, and the promptly suitable correspondence of aforementioned lug is positioned between this recess;

When rotating shaft pivoted, inside and outside oil groove pad was to rotate with rotating shaft, and when going to a special angle, the lug on the vertical component effect will constitute block to the recess one distolateral wall of outer oil sump pad, to reach the purpose of restriction pivoting angle.

The utility model compared with the prior art advantage and good effect is very obvious.Can find out because concrete structure kenel of the present utility model and manner of execution possess following advantage at least by above technical scheme:

1 pivot smooth degree is strange good and do not influence the stagnation locating effect: the utility model is the oil groove of the rectangular ditch shape of formation on the relative inner face of outer, inner oil sump pad, for filling lubricating oil, when rotating shaft pivots, utilize lubricating oil showing to reduce the friction of the inside and outside side joint face of inside and outside oil groove pad and vertical component effect, can effectively improve the smooth degree of its pivot by this.

But 2 moderate reduction parts:, under this state, can moderate reduction cushion the flexible member of purposes, and then can save manufacturing cost because the special Lubrication Design of the utility model tool can guarantee that the pivot of rotating shaft is smooth and easy.

Further specify specific structural features of the present utility model and purpose below in conjunction with accompanying drawing:

Fig. 1 is an exploded view of the present utility model.

Fig. 2 is a side plan view of the present utility model.

Fig. 3 is a front cross-section view of the present utility model.

Fig. 4 is an outside drawing of the present utility model.

Fig. 5 is side-looking of the present utility model plane and action synoptic diagram.

Fig. 6 is the exploded view of traditional computer rotation shaft.

Relevant structure division of the present utility model sees also shown in Figure 1ly, and a kind of improved notebook computer rotation shaft device includes:

One bolster of making by metal sheet 10;

One is formed at bolster 10 1 ends and is formed with the vertical component effect 11 of axis hole 12;

One correspondence is passed the rotating shaft 20 of aforementioned axis hole 12;

The one outer oil sump pad 30 of being located at vertical component effect 11 outsides and running through for rotating shaft 20 correspondences;

One is located at the vertical component effect 11 inboard inner oil sump pads 40 that also run through for rotating shaft 20 correspondences;

Two are located at the dish-

shaped shell fragment

51,52 that outer oil sump pad 30 outsides are also run through for rotating shaft 20;

One spiral shell is located at the nut 60 of rotating shaft 20 ends; Wherein:

This bolster 10 is L shaped lamellar bodies that Yu Yiduan is formed with vertical component effect 11, and its vertical component effect 11 upper limbs are to be circular-arc, and have extended to form a lug 13 laterally in suitable angle place;

These rotating shaft 20 1 ends are formed with a flat fixed part 21, and in addition end then forms a pivot post 22, this pivot post 22 about diametric plane be to be to scabble shape, it is kept on the diametric plane of radian and then is formed with screw thread 23, confession nut 60 spiral shells are established on it;

This outer oil sump pad 30 is the wafer bodies that possess suitable thickness, its centre is formed with a cover hole 31 of pulling, and places for the pivot post 22 of rotating shaft 20, and this cover hole 31 hole shapes of pulling are identical with pivot post 22 cross sectional shapes, when so rotating shaft 20 is rotated, outer oil sump pad 30 also will with rotation;

Again, outer oil sump pad 30 is formed with the oil groove 32 of a rectangular ditch shape on the medial surface of relative vertical component effect 11, and in present embodiment, this oil groove 32 is the axle center by outer oil sump pad 30, is the diameter of outer oil sump pad 30 and its length is suitable; In oil groove 32, be filled with lubricating oil, use the friction factor that reduces between outer oil sump pad 30 and vertical component effect 11 lateral walls.

Outer oil sump pad 30 is formed with a recess 33 along peripheral region, and this recess 33 extends suitable angle, and lug 13 right positions on the vertical component effect 11 are in 33 of this recesses (please cooperate consult shown in Figure 2), and it can be in order to the pivoting angle of restriction rotating shaft 20.

Still see also shown in Figure 1ly, this inner oil sump pad 40 is the wafer bodies that possess suitable thickness, and its centre is formed with the cover hole 41 of pulling, pivot post 22 for rotating shaft 20 places, this cover hole 41 hole shapes of pulling are identical with pivot post 22 cross sectional shapes, so when rotating shaft 20 is rotated, inner oil sump pad 40 also will rotate thereupon;

Inner oil sump pad 40 is formed with at least one rectangular ditch shape oil groove on the medial surface of relative vertical component effect 11, in present embodiment, inner oil sump pad 40 is formed with twice oil groove 42,43, two oil grooves 42,43 and passes through the axle center of outer oil sump pad 30 respectively, and is cross-shaped; Be filled with lubricating oil in two oil grooves 42,43, use the friction factor that reduces between inner oil sump pad 40 and vertical component effect 11 madial walls.

Centre at dish-

shaped shell fragment

51,52 is formed with corresponding perforation 510,520 respectively, can pass for pivot post 22 correspondences of rotating shaft 20;

Nut 60 is that pivot post 22 ends of the axis of rotation 20 are screwed into, with being about to compress two dish-

shaped shell fragments

51,52, and making outer, inner

oil sump pad

30,40 be closely attached on outer, the madial wall of vertical component effect 11 with the one side of

tool oil groove

32,42,43, countershaft 20 produces a tension strength simultaneously.

Previous constructions is through finishing combination back shown in Fig. 3,4, and this computer rotation shaft structure is to utilize two dish-

shaped shell fragments

51,52 to cooperate nuts 60 countershafts 20 to produce to strain strength under normal conditions, and it can be stuck in not on the special angle; Open or close computer upper cover and when rotating shaft 20 is pivoted when the user lifts, owing to, be closely attached on outer, the madial wall of vertical component effect 11 with the one side of

tool oil groove

32,42,43 with outer, the inner oil sump pad the 30, the 40th that rotating shaft 20 is rotated, when outside, when inner

oil sump pad

30,40 rotates with rotating shaft 20, lubricating oil in the

oil groove

32,42,43 will be coated on outer, the madial wall of vertical component effect 11, also be lubricating oil be between outside, on the composition surface of inner

oil sump pad

30,40 and vertical component effect 11, when therefore, rotating shaft 20 pivots will be very smooth and easy.

See also again shown in Fig. 2,5, the lug 13 that this bolster 10 forms in vertical component effect 11 upper limbs can cooperate the pivoting angle of the recess 33 restriction pivot posts 22 of outer oil sump pad 30 upper limbs.As shown in the figure, when pivot post 22 goes to a special angle, a sidewall of recess 33 will be subjected to lug 13 blocks on the vertical component effect 11, use the pivoting angle of restriction pivot post 22.

Claims

1 one kinds of improved notebook computer rotation shaft devices, it is characterized in that: this device comprises:

One bolster,

One is formed at bolster one end and is formed with the vertical component effect of axis hole,

One correspondence is passed the rotating shaft of aforementioned axis hole,

The one outer oil sump pad of being located at the vertical component effect outside and running through for the rotating shaft correspondence,

One is located at the inboard inner oil sump pad that also runs through for the rotating shaft correspondence of vertical component effect,

Two are located at the dish-shaped shell fragment that the outer oil sump pad outside is also run through for rotating shaft,

One spiral shell is located at the terminal nut of also fixing dish-shaped shell fragment according to this of rotating shaft,

This inside and outside oil groove pad is formed with the rectangular ditch shape oil groove for filling lubricating oil respectively on the medial surface of relative vertical component effect.

2 according to the described improved notebook computer rotation shaft device of claim 1, and it is characterized in that: described rotating shaft one end is formed with fixed part, and the other end is formed with one for the corresponding pivot post that places outer oil sump shell fragment, vertical component effect, inner oil sump shell fragment and dish-shaped shell fragment,

The upper and lower end face of this pivot post is to be to scabble shape, and it is still had and is formed with the screw thread of establishing for the nut spiral shell on the cylinder of radian.

3 according to claim 1 or 2 described improved notebook computer rotation shaft devices, it is characterized in that: described outer, inner oil sump pad central authorities are formed with the cover that places for the rotating shaft hole of pulling.

4 according to claim 1 or 3 described improved notebook computer rotation shaft devices, and it is characterized in that: the oil groove on the described outer oil sump pad is to be in-line, and pass through the axle center of outer oil sump pad.

5 according to claim 1 or 3 described improved notebook computer rotation shaft devices, it is characterized in that: be formed with two oil grooves on the described inner oil sump pad, it passes through the axle center respectively, and is cross-shaped.

6 according to claim 1 or 3 described improved notebook computer rotation shaft devices, it is characterized in that: described outer oil sump pad is formed with the recess of suitable angle in the upper limb place, the vertical component effect upper limb of described bolster is formed with a lug that extends laterally, and the suitable correspondence of this lug is positioned between aforementioned recess.