CN1324426C

CN1324426C - Rotating shaft device and positioning mechanism of computer screen

Info

Publication number: CN1324426C
Application number: CNB2004100787460A
Authority: CN
Inventors: 罗建生
Original assignee: Asustek Computer Inc
Current assignee: Asustek Computer Inc
Priority date: 2004-09-15
Filing date: 2004-09-15
Publication date: 2007-07-04
Anticipated expiration: 2024-09-15
Also published as: CN1749917A

Abstract

A rotary shaft device is assembled and connected between a screen and a host of a portable computer, so that the screen can be pulled up and down and rotated left and right on the upper surface of the host. The rotating shaft device comprises the following components: the vertical rotating shaft is manufactured in the center of the lower surface of the strip plate, extends downwards and protrudes, can be inserted into a corresponding hole on the shell of the host machine, and allows the strip plate to rotate on the host machine; the two horizontal rotating shafts are respectively connected with two ends of the strip-shaped plate and extend outwards, and the horizontal rotating shafts can rotate relative to the strip-shaped plate and can be combined with the corresponding grooves on the lower edge of the screen shell to drive the screen to rotate in the vertical direction; two elastic members respectively connected to the lower surface of the strip plate and protruding downwards, wherein the front ends of the elastic members just touch and press the host machine shell. Wherein, the host machine shell is provided with a hole-shaped dent, when the strip-shaped plate rotates to the positioning, the front end of the elastic component just protrudes and is clamped in the hole-shaped dent.

Description

The turning gear of computer screen and detent mechanism

Technical field

The present invention is relevant with a kind of portable computer product, particularly about a kind of turning gear and detent mechanism that is applied between its screen of portable computer and main frame, so that more reliable, stable rotation positioning effect more to be provided.

Background technology

Along with the step of production of integrated circuits rapid technological improvement, development and progress that electronics technology continues impel electronic product miscellaneous all to develop towards " digitizing ".And, in order to meet considering of portability and practicality, at electronic product in design, all tend to compact, function is many, processing speed is used as design specification soon, so that the product of making can carry easilier, and more meets modern life requirement.Particularly after the electronic multimedia product is propagated its belief on a large scale, clip its powerful operation capacity, can handle digital materials such as various audios, image, pattern easily, like widely and use and provide the entertainment effect of consumer's high image quality and high tone quality, the related computer product that makes lightweight to be subjected to masses.

Particularly, along with the exploitation and the maturation of network application technology, by the binding of wired or wireless network, the consumer can surf the Net in any place any time, and transmits or exchange message miscellaneous and data.Under this kind situation, the consumer obviously can more glad purchase uses the computer product of various lightweight, similarly be palmtop computer, kneetop computer or notebook computer,, or obtain voice miscellaneous or graphic materials so that carry out information interchange by the user in an internet and a distant place.In other words, combining the superpower data-handling capacity of computer of new generation, and after the Communications service that network connections provided, the consumer can pass through computer screen easily, view and admire the multimedia programming on the network or browse instant news information.

For the consumer is provided the more convenience in the multioperation, the portable computer of a new generation, for example plate computer (TABLE PC), and adopted touch control screen, and make the consumer can import the action of data, or carry out controlling of every function by screen.In addition, in order to allow the consumer can be from more perspective browse screen picture, in the design of the rotating shaft between screen and the main frame, except traditional cover-lifting type design, and allow the screen that upwards starts, can carry out the left rotation and right rotation of 180 degree at the main frame upper surface, and make things convenient for the consumer can be from the picture on each orientation browse screen.In other words, in new-type portable computer, the action of its screen under can carrying out starting or covering on the pitch orientation, also can on left and right directions, rotate simultaneously.

In order to make screen can carry out up and down rotation with left and right directions simultaneously, the portable computer of a new generation, given up the traditional notebook computer and installed the mode of rotating shaft separately, and made central part into, assembled one group of turning gear on the screen base in screen base and arranged on left and right sides.And, because this turning gear is except can be along above-below direction, also can provide the function of rotating, so computer screen can start upwards on main frame or closed pulling downwards, and also can on main frame, carry out the rotation of left and right direction along left and right directions.

Although, can provide the rotating effect of above-mentioned both direction simultaneously by assembling single turning gear between computer screen and main frame.But the turning gear for most on the market at present still has considerable shortcoming.Particularly, concerning most on the market at present turning gear, because positioning function is generally reliable inadequately, and the excesssive gap of location, therefore after screen rotates to the location, lack strong fixing and support, still can produce slight swing, and cause the consumer when watching screen, to be easy to generate discomfort.Secondly, when screen when being rotated because the friction torsion effect that turning gear provided is generally not enough, therefore whole screen can't rotate stably, and can produce the phenomenon of rocking.

Summary of the invention

In order effectively to solve above-mentioned all problem, the purpose of this invention is to provide a kind of turning gear, it is that assembling is linked between the screen and main frame of a portable computer, can make screen can carry out the rotation with left and right directions of pulling of above-below direction at the main frame upper surface.

A kind of turning gear provided by the present invention mainly comprises following elements: a strip plate, the main body of formation turning gear; One vertical rotation axis is protruded downwards by strip plate lower surface middle position, can insert hole corresponding on the host machine casing, and allows the strip plate to carry out the rotation of left and right directions in the main frame upper surface; Two horizontal rotating shafts, be linked to the two ends of strip plate respectively, and the direction along rectangular plate stretches out, horizontal rotating shaft can carry out the rotation with respect to the strip plate, horizontal rotating shaft also can combine with screen shell lower edge corresponding groove, carries out rotating with respect to the above-below direction of strip plate and drive screen; Two elastic components, be linked to the lower surface of strip plate and protrude downwards, correct before the elastic component and press host machine casing, wherein at the host machine casing upper surface and have poroid depression, when the strip plate rotates to when location, correct before the elastic component to protrude to be stuck in the poroid depression.

Description of drawings

By the detailed description of doing below in conjunction with accompanying drawing, can understand the plurality of advantages of foregoing and the present invention easily, wherein:

Fig. 1 is the detailed structure view that shows turning gear provided by the present invention, main frame and screen;

Fig. 2 is the detailed structure view that shows elastic component among the present invention; And

Fig. 3 is the schematic perspective view that shows the collocation relation between shaft device of the present invention, main frame and screen.

Embodiment

Please refer to Fig. 1, this figure is the structural upright exploded view that shows turning gear 1 provided by the present invention.This turning gear 1 can be assembled between the screen and main frame that is linked to a portable computer, and makes screen can carry out the rotation of pulling of above-below direction and left and right directions at the main frame upper surface.As shown in FIG., the main member of this turning gear 1 is divided into a strip plate 10, a vertical rotation axis 11, two horizontal rotating shafts 12, elastic component 13 and fixed components 14.Wherein, described strip plate 10 is the main bodys that constitute whole turning gear 1.11 of vertical rotation axis are the middle positions by strip plate 10 lower surfaces, downward vertically along stretching protrusion, are used for assembling and insert hole corresponding on the host machine casing, and allow strip plate 10 to carry out the rotation of left and right directions in the main frame upper surface.Described horizontal rotating shaft 12 then is linked to the two ends of strip plate 10 respectively, and along the direction of rectangular plate 10, extends to both sides and protrudes.This horizontal rotating shaft 12 can be axial along it, carries out the rotation with respect to the strip plate.When horizontal rotating shaft 12 with after screen shell lower edge corresponding groove combines, can drive whole screen and carry out above-below direction and rotate.

It should be noted that in the center of above-mentioned strip plate 10, and made a central circular hole 101 that runs through plate.And, below central circular hole 101, just in time connect above-mentioned vertical rotation axis 11.Because vertical rotation axis 11 also is the cylindrical structure of a hollow, so can upwards run through the central circular hole 101 of strip plate 10.In preferred embodiment, this vertical rotation axis 11 is to make in integrated mode with strip plate 10, and the central circular hole 101 that it runs through then can provide and lay various signal wire or the power lead that is used for linking screen and main frame.

Still please refer to Fig. 1, at strip plate 10 upper surfaces, the both sides of central circular hole 101 are provided with the collar 102 that runs through strip plate 10 respectively, are used for assembling elastic component 13 provided by the present invention.As shown in FIG., this collar 102 is to be raised up by strip plate 10 upper surfaces, and is manufactured with screw thread on the inwall of the collar 102, so that elastic component 13 is screwed in and is fixed in the collar 102.What particularly point out is after elastic component 13 runs through the collar 102 of strip plate 10 at screw-in, can protrude from the lower surface of strip plate 10 downwards.When whole turning gear 10 was assembled on the main frame, the front end of elastic component 13 just in time can press host machine casing, so that the power that presses by its elasticity makes the rotation of strip plate 10 more smooth-going.In addition, be provided with poroid depression,, and produce the effect of fixed length bar shaped plate 10 in case when strip plate 10 rotated to the location, the front end of elastic component 13 just in time can protrude and is stuck in the poroid depression corresponding to this elastic component 13 at the host machine casing upper surface.

In an embodiment of the present invention, described elastic component 13 is to be made of spring ball screw (spring ballscrew).Please refer to Fig. 2, this figure has shown the detailed structure of elastic component 13.This elastic component 13 has comprised a sleeve 131, a spring 132 and a steel ball 133.On the shell of sleeve 131, be manufactured with screw thread 131a, so that can screw in and be fixed in the collar 102 of strip plate 10 in downward opening mode.Described spring 132 is to plug in sleeve 131, and the front end of spring 132 is linked to steel ball 133.As shown in FIG., because the diameter of steel ball 133, is therefore understood clip greater than the opening diameter of sleeve 131 in the opening of sleeve 131, and be subjected to the elasticity extruding of spring 132.

Generally speaking, can keep enough spaces, make screen can carry out left-right rotation smoothly and pull up and down in order to make between screen and main frame.In the mechanism of reality, the position of horizontal rotating shaft 12 can be higher than the upper surface of strip plate 10, and produce a stair-stepping difference in height, so that binding space enough between screen and main frame to be provided.As shown in fig. 1, at strip plate 10 upper surface two ends, be respectively arranged with the square 103 that raises up.In preferred embodiment, square 103 herein also is in integrated mode, links together with strip plate 10.

Upper surface at each square 103 has a fixed component 14 that extends outward along strip plate 10 directions.Each fixed component 14 as shown in fig. 1, can be divided into

flat board

141 and 142 two parts of column structure.Wherein, dull and stereotyped 141 are provided with two aperture 141a, can flat board 141 be fixed on the upper surface of square 103 with rivet or the solid mode of spiral shell.142 of column structures are connected in the front end of flat board 141 and stretch to the outer, are used for and horizontal rotating shaft 12 bindings.

Still please refer to Fig. 1, described horizontal rotating shaft 12 is the front ends that are linked to fixed component 14, and can carry out the rotation with respect to fixed component 14.Each horizontal rotating shaft 12 also can be divided into column structure 121 and dull and stereotyped 122 two parts.Wherein, column structure 121 is column structure 142 front ends that are linked to fixed component 14, and can axially carry out rotation with respect to column structure 142 along it.Dull and stereotyped 122 are stretched out by column structure 121 front ends.On dull and stereotyped 122 and made two aperture 122a, can horizontal rotating shaft 12 be locked in the screen lower edge by screw.

Generally speaking, when being assembled to turning gear 1 on the host computer, also can at least one ball bearing 15 be arranged,, and make the smooth-going rotation of on main frame, carrying out left and right directions of turning gear 1 energy so that hole corresponding on the host machine casing is inserted in assembling at above-mentioned vertical rotation axis 11 upper sleeve throughs.In the present invention, as shown in Figure 1, be to use two groups of

ball bearing

15a and 15b, be set in regular turn on the vertical rotation axis 11, as relying on of rotating.And, below ball bearing 15, use a nut 16 action that locks, so that turning gear 1 is locked in the host computer.

On the architecture basics of the above-mentioned turning gear 1 of collocation, the present invention also provides the corresponding design of host machine casing with the screen shell, so that can link with above-mentioned turning gear 1 assembling, and fully plays the unique effect of this turning gear.Still please refer to Fig. 1, at the casing upper surface of main frame 2, the position near side is provided with a disk pedestal 20 to lower recess.In the center of disk pedestal 20 and made a central hole 201, corresponding to the vertical rotation axis 11 of turning gear 1 downside.After being assembled to the vertical rotation axis 11 of turning gear 1 in the central hole 201, this strip plate 10 just can carry out the rotation of left and right directions at disk pedestal 20 upper surfaces.

Inwall that it should be noted that disk pedestal 20 its central hole 201 is provided with an annular thin sheets 201a, so that ring-like ball bearing 15a is placed in annular thin sheets 201a upper surface in the central hole 201.Downside at annular thin sheets 2 01 a then is placed with another ring-like ball bearing 15b.Thus,, when from top to bottom passing ball bearing 15a, annular thin sheets 201a and ball bearing 15b in regular turn, can use the lower surface of above-mentioned nut 16, these assemblies are locked on the vertical rotation axis 11 by ball bearing 15b when the vertical rotation axis 11 of turning gear 1.

In addition, on disk pedestal 20 surfaces of above-mentioned central hole 201 both sides, be manufactured with poroid depression 202 respectively.When turning gear 1 rotated to the location, the steel ball 133 of elastic component 13 front ends just in time can protrude downwards and be stuck in the corresponding poroid depression 202, and produced the effect of built-in pivot mechanism 1.

What particularly point out is, surpass 180 degree when the left rotation and right rotation for fear of screen, and cause in the turning gear 1 linking screen and main frame the circuit excessive distortion or, cause the problem of circuit knotting or fracture, also can make a projection (not shown) of protruding downwards among the present invention at strip plate 10 lower surfaces.And,, on the position around central hole 201, the camber line chase 203 of a semicircle is set at disk pedestal 20 upper surfaces.When turning gear 1 was assembled on the disk pedestal 20, the projection of strip plate 10 lower surfaces just in time can be filled in the camber line chase 203.Thus, when strip plate 10 was rotated on disk pedestal 20, projection can reciprocatingly slide along camber line chase 203.Because camber line chase 203 only has half-turn, so the multipotency of strip plate 10 rotates 180 degree, and the direction of its rotation, also can be subjected to the restriction of projection position.

On the other hand,, then be provided with correspondingly, be used for assembling two groups of sealed pedestals 30 of turning gear 1 with above-mentioned horizontal rotating shaft 12 at screen 3 shell lower edges.Each sealed pedestal 30 has comprised semicircular arc-shaped groove 30a and two screw 30b.When assembling turning gear 1 and screen 3, the column structure 142 of said fixing member 14 and the column structure 121 of horizontal rotating shaft 12, just in time assembling is placed among the arc-shaped groove 30a; 122 of flat boards as for horizontal rotating shaft 12 can pass

aperture

122a and 30b in regular turn by the mode of screw locking, and being fixed is installed on the sealed pedestal 30.

Understand for convenience, and please refer to Fig. 3, this figure has shown the assembled relation between above-mentioned turning gear 1, main frame 2 and the screen 3.Wherein, described disk pedestal 20 is the middle positions that are made in main frame 2 casing upper surface rear sides, and described two 30 of sealed pedestals are distributed in screen 3 shell lower edge centre, and just in time the horizontal rotating shaft 12 with turning gear 1 is relative.

Use design of the present invention, have considerable advantage:

(1) at first, because turning gear of the present invention has two elastic components that protrude downwards, therefore when the strip plate on host machine casing during left-right rotation, this elastic component just in time can contact at the disk pedestal upper surface, make the rotation of whole strip plate more smooth-going, and then the degree of rocking when reducing screen and rotating.

(2) disk pedestal upper surface and be provided with poroid depression in the present invention makes screen when arriving the location, and above-mentioned elastic component just in time can protrude downwards and be stuck in the poroid depression, and then reaches the effect that strengthens fixed mask.

(3) in addition, among the present invention and at strip plate lower surface projection is set, corresponding semicircle arcuation chase is set on the disk pedestal simultaneously.Thus, can effectively limit the sense of rotation and the angle limits of screen, and prevent because the screen inordinate rotation causes the accident that line is distorted, ruptures between main frame and screen.

Though the present invention illustrates as above with preferred embodiments, yet it is not in order to limit the present invention's spirit and invention protection domain.Person skilled in the art person is when understanding and utilize other element or mode to produce identical effect easily.Therefore, the modification of being done in not breaking away from spirit of the present invention and scope all should be included in following the application's claim scope.

Claims

1. A rotating shaft device, which is assembled and connected between the screen and the host of a portable computer, so that the screen can be pulled up and down and rotated in the left and right directions on the upper surface of the host, and the rotating shaft device is at least include:

a strip-shaped plate, constituting the main body of the rotating shaft device;

A vertical rotating shaft protrudes downward from the central position of the lower surface of the strip-shaped plate, and can be inserted into a corresponding hole on the casing of the main engine, allowing the long strip-shaped plate to move left and right on the upper surface of the main engine. turn;

Two horizontal rotating shafts are respectively connected to the two ends of the long strip plate and extend outward along the direction of the long strip plate. The horizontal rotating shaft can rotate relative to the long strip plate. The horizontal The rotating shaft can also be combined with the groove corresponding to the lower edge of the screen shell, so as to drive the screen to rotate relative to the elongated plate in the up and down direction;

Two elastic members are connected to the lower surface of the elongated plate and protrude downwards. The front ends of the elastic members just touch the main machine casing, and there is a hole-shaped depression on the upper surface of the main machine casing , when the strip-shaped plate is rotated to a fixed position, the front end of the elastic member can just protrude and be stuck in the hole-shaped depression.

2. The device according to claim 1, wherein said elongated plate has a central circular hole through it, and said vertical shaft is a hollow cylindrical structure, which penetrates to said elongated plate. The central circular hole of the plate.

3. The device according to claim 2, characterized in that on the upper surface of the elongated plate, on both sides of the central circular hole, there are respectively collars penetrating through the elongated plate, and the collars The upper surface of the elongated plate protrudes upwards, and there are threads on the inner wall of the collar.

4. The device according to claim 3, wherein the elastic member is screwed into the collar, and penetrates and protrudes from the lower surface of the elongated plate, wherein each of the elastic members Also includes:

A sleeve, the shell has threads, and is screwed into the collar with the opening facing downward;

a spring plugged into said sleeve; and

A steel ball is elastically squeezed by the spring and clamped in the opening of the sleeve.

5. The device according to claim 1, characterized in that at both ends of the upper surface of the elongated plate, there are respectively upwardly protruding squares, and on the upper surface of each square, there is a In the direction of the strip-shaped plate, the fixing members extending outward, wherein each of the fixing members can be divided into:

The first plate has two small holes, and is fixed on the upper surface of the block by means of rivets or screws, and

The first columnar structure is connected to the front end of the flat plate.

6. The device according to claim 5, wherein the horizontal rotating shaft is connected to the front end of the fixed member and can rotate relative to the fixed member, wherein each of the horizontal rotating shafts can be divided into:

a second columnar structure connected to the front end of the first columnar structure of the fixing member and capable of rotating along the direction of the first columnar structure, and

The second flat plate extends outward from the front end of the second columnar structure, and has two small holes on the second flat plate, through which the horizontal rotating shaft can be locked to the lower edge of the screen by screws.

7. The device according to claim 1, characterized in that at least one ball bearing is sheathed on the vertical rotating shaft, so as to be assembled and inserted into the corresponding hole on the main machine casing, allowing the rotating shaft device to Rotate left and right on the host.

8. The device according to claim 4, characterized in that there is a downwardly recessed disk base on the main machine casing, and the hole is made in the center of the disk base, and the When the vertical rotating shaft of the rotating shaft device is assembled in the hole, the elongated plate can rotate on the upper surface of the disc base.

9. The device according to claim 8, characterized in that there is an annular thin plate on the inner wall of the hole of the disc base, so that the annular first ball bearing is placed in the hole. The upper surface of the annular sheet.

10. The device according to claim 9, characterized in that a ring-shaped second ball bearing is placed on the lower side of the annular thin plate in the hole, when the vertical shaft of the shaft device is moved by From top to bottom, when passing through the first ball bearing, the annular thin plate, and the second ball bearing in sequence, a nut can be used to lock the vertical bearing from the lower surface of the second ball bearing. shaft.

11. The device according to claim 8, characterized in that there are hole-shaped depressions on the surface of the disc base on both sides of the hole, and when the rotating shaft device is rotated to a fixed position, the elastic The steel ball at the front end of the component protrudes downwards and is stuck in the hole-shaped depression to fix the rotating shaft device.

12. The device according to claim 8, characterized in that there is a protruding post on the lower surface of the strip plate, and there is a protrusion on the upper surface of the disc base surrounding the hole. A semicircular arc groove, when the rotating shaft device is assembled on the disc base, the convex post is just inserted into the arc groove, and when the elongated plate is on the When rotating on the disc base, the protruding post slides reciprocally along the arc groove.