CN2379638Y

CN2379638Y - Positioning hinge

Info

Publication number: CN2379638Y
Application number: CN 99200981
Authority: CN
Inventors: 林文祺
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-03-04
Filing date: 1999-03-04
Publication date: 2000-05-24
Anticipated expiration: 2009-03-04

Abstract

The utility model discloses a positioning hinge which is used for being pivoted between a host computer and a liquid crystal displayer of a portable computer or an electronic dictionary. The utility model comprises a pivotal-rotating component, a pivotal-rotating seat, a torsion spring, and a cam block. The pivotal-rotating component comprises a fixed part and a rotating shaft part; the cam block is threaded through the rotating shaft part in eccentric way; the pivotal-rotating seat comprises an installing part and a supporting part which is used for threading through the rotating shaft part; an elastic friction component can be fixed at the pivotal-rotating seat and can butt and press the cam block; a user can conveniently regulate the angle between the displayer and the host computer by the utility model.

Description

Locating hinge

The utility model is about a kind of locating hinge, particularly about a kind of main frame of portable computer or electronic dictionary and locating hinge between LCD (liquid crystal) display device thereof of being articulated in.

The display device of general portable computer is that a pair of hinge of mat is articulated on the host computer; When desire was used computer, the user must raise display device with both hands and make itself and host computer at angle, comparatively inconvenience in the use.

Moreover, can be stable in the angle that desire is used for making display device, but can under effortless situation, open or close computer monitor with seasonal user, the torsion of locating hinge must be adjusted to an appropriate value.So when assembling has the computer of LCD display, how the torsion of locating hinge being adjusted to appropriate value is a big problem.

Because the manufacture cost of LCD display reduces gradually, manufacturing technology is ripe day by day and have the advantage of smaller size smaller, so on the screen of computer, therefore need a kind of locating hinge of improvement badly as its application area one of is extended to beyond the portable computer gradually to solve the aforesaid drawbacks.

The purpose of this utility model, be to provide a kind of automatic-opening locating hinge, make the display device of notebook computer possess the function that elasticity is opened, and after display device elasticity is opened into predetermined angle of view, the user still can be according to need adjusts the visual angle of display device, the facility of seeking daylighting with the person of being used before and after further.

The technical solution of the utility model is:

A kind of locating hinge is characterized in that: comprising:

One pivot member comprises a fixing part and a shaft, and wherein this fixing part is in order to being bonded to main frame, and this shaft has a pivot axis;

One pivot block comprises an assembly department and one first carrier, and wherein this assembly department is in order to being bonded to display device, and first carrier forms a pivot circular hole with respect to the shaft vertical extent of pivot member on it, wear pivot for shaft;

One torque spring, it is sheathed on shaft, and has first end and second end, supports being incorporated into pivot member and pivot block respectively partially;

One cam bit is plate-like, has cam profile surface and forms a penetration hole, can not wear wherein for the shaft of pivot member with relatively rotating;

One elastic-friction spare, it has a sessile end and a friction side, wherein sessile end is consolidated in pivot block, and friction side be elastically biased toward in the contour surface of cam bit and can be on the cam profile surface frictional slip;

Wherein and in one of shaft free end gone here and there syzygy knot.Described locating hinge is characterized in that: the profile of this cam bit becomes

Shape, and form a location groove in its top, but the friction side of ammunition feed frottage part is complied with the shape of this contour surface and frictional slip, and stop in this positioning groove.

Described locating hinge is characterized in that: this pivot member is formed with a groove to accept fixedly first end of torque spring.

Described locating hinge is characterized in that: this pivot member comprises a separable catch in addition, and it can not be sheathed on this shaft with being pivoted relative to each other, and this catch has a stopper part with second end in conjunction with torque spring.

Described locating hinge is characterized in that: be provided with a pad and/or a nut to go here and there the syzygy knot in the free end of shaft.

Described locating hinge is characterized in that: this shaft extends into a cylindricality.

Described locating hinge is characterized in that: this pivot block comprises second carrier identical with first carrier in addition, and the setting at interval that is parallel to each other between this second carrier and first carrier.

Described locating hinge is characterized in that: this cam bit is to be sheathed on the shaft with relatively rotating, and between first carrier and second carrier.

Described locating hinge is characterized in that: this torque spring is to be sheathed on shaft, and between first carrier and second carrier.

Effect of the present utility model is:

Because the function that locating hinge of the present utility model can provide computer monitor to open automatically, when desire is used computer, the user only needs fixedly computer monitor to the device of host computer to release out, locating hinge promptly can make computer monitor automatically spring open to one with host computer position at angle, need not the application of force and computer monitor be opened into the angle of being desired.

Again because of cam bit in the locating hinge of the present utility model and the interaction between elastic-friction spare, make the user can be in the angle of adjusting under the effortless situation between computer monitor and host computer.

The utlity model has the advantage that overall package is easy, part is few, overall volume is little, its further structure characteristic and other advantages can and be understood from accompanying drawing and the detailed description of preferred embodiment hereinafter.

The brief description of graphic drawing

Fig. 1 is the three-dimensional exploded view according to first embodiment of the present utility model;

Fig. 2 is the three-dimensional combination figure of Fig. 1;

Fig. 3 is the cross section view of being got along the 3-3 line of Fig. 2; And

Fig. 4 is the three-dimensional exploded view according to second embodiment of the present utility model;

Fig. 5 is a three-dimensional combination figure shown in Figure 4;

Fig. 6 is the user mode schematic representation that the locating hinge of Fig. 5 is assemblied in a computer;

Fig. 7 is the three-dimensional exploded view according to the 3rd embodiment of the present utility model;

Fig. 8 is the 4th an embodiment's of the present utility model three-dimensional combination figure;

Fig. 8 A is the three-dimensional exploded view of Fig. 8;

Fig. 9 A～9D is the user mode reference drawing of the 4th embodiment device on computer shown in Figure 8;

Figure 10 is the 5th an embodiment's of the present utility model three-dimensional combination figure;

Figure 10 A is the three-dimensional exploded view of Figure 10;

Figure 11 is another embodiment's of the similar Figure 10 of the utility model a schematic representation;

Figure 11 A is the three-dimensional exploded view of Figure 11;

Figure 12 is the another embodiment's of the similar Figure 10 of the utility model a three-dimensional exploded view;

Figure 13 is an embodiment the three-dimensional exploded view again of the similar Figure 10 of the utility model.

Preferred embodiment was described in further detail shown in the utility model was incited somebody to action in conjunction with the accompanying drawings.

Fig. 1 is the three-dimensional exploded view according to the utility model first embodiment's locating hinge 1.Locating hinge 1 comprises: a pivot member 10, cam bit 20, a pivot block 30, an elastic-friction spare 40, a spline sheet 50, a torque spring 60 and tying means C, N.

Pivot member 10 comprises a fixing part 12, in order to be fixed to a host computer M (referring to Fig. 6) who treats combination; One shaft 14, it comprises a unthreaded portion 15 and a helical thread portion 16 haply, and wherein unthreaded portion 15 has a flat top 15a; Helical thread portion 16 has a flat top 16a and a planar bottom surface 16b.This shaft 14 has a pivot axis.

Cam bit 20 roughly is circular plate type, can be made by the material with frictional damping characteristic that is similar to plastics.Cam bit 20 has a center of circle 22 and a perisporium 24.Form one on the cam bit 20 in addition and be the semicircle hole 26 of eccentric state with the center of circle 22, this semicircle hole 26 has a center of circle 26a and a flat top 26b.When cam bit 20 was arranged in the unthreaded portion 15 of pivot member 10, the flat top 15a of proper corresponding pivot member 10 unthreaded portions 15 of its flat top 26b made

cam bit

20 and 10 of pivot members be the spline state.

Pivot block 30 comprises an assembly department 32 and a carrier 34.Assembly department 32 is used for pivot block 30 is fixed to a computer monitor D (ginseng Fig. 6).Carrier 34 is provided with a pivot circular hole 36 and wears pivot for shaft 14.The circumferential surface of pivot circular hole 36 can impose embossing so that lubricant grease to be provided; Pivot block 30 comprises a middle body 38 in addition, the lug 38a that direction of formation cam bit on one day 20 is protruded on it, and a fixation holes 38b.When pivot block 30 is arranged in the unthreaded portion 15 of pivot member 10, mat pivot circular hole 36 can make the central axial line rotation of pivot block 30 along pivot member 10, and the primary importance (being that computer display panel is in closed condition) that indicates with solid line in as Fig. 2 reaches rotation between the second place (being that computer display panel is in a specific opening state) that indicates with dotted line.

Elastic-friction spare 40 mainly utilizes elastic material to make, and it has a sessile end 42 and a friction side 44.Sessile end 42 is used to be sheathed on lug 38a, and friction side 44 is used for the perisporium 24 that elasticity compresses cam bit 20.Fig. 3 is the cross section view of being got along the 3-3 line of Fig. 2, shows the schematic representation that elastic-friction spare 40 is sheathed on lug 38a.As Fig. 1 and shown in Figure 3, lug 38a bottom side forms a depression 38c, can be formed at the oblique plate 42a energy clip of elastic-friction spare 40 sessile ends 42 in interior for one.Certainly also can use other known means of fixation, elastic-friction spare 40 is fixed on the lug 38a as screw or riveted etc.

Spline sheet 50 forms a upper and lower end on it and has the long-round-shape hole 52 that

scabbles edge

52a, 52b, on it and form one second fixation holes 54.When spline sheet 50 was arranged in the helical thread portion 16 of pivot member 10, long-round-shape hole 52 upper limb 52a and lower edge 52b just distinguished the flat top 16a and the planar bottom surface 16b of corresponding helical thread portion 16, and make

spline sheet

50 and 10 of pivot members be the spline state.

Tying means C is the helical thread portion 16 of screw lock in pivot member 10, is used for cam bit 20 and pivot block 30 are installed on the unthreaded portion 15 of pivot member 10.

Torque spring 60 is the helical thread portions 16 that are arranged in pivot member 10, is provided with respect to pivot member 10.In the present embodiment, torque spring 60 is to be located between pivot block 30 and the spline sheet 50, has one first end 62 and wears in the fixation holes 54 that is fixed in spline sheet 50; And one second end 64 wear in the fixation holes 38b that is fixed in pivot block 30.Certainly also can use other modes with torque spring 60 part 10 setting that is pivoted relative to each other.

At last, with the helical thread portion 16 of tying means N screw lock, be used for spline sheet 50 and torque spring 60 are installed between two tying means C, the N in pivot member 10.When pivot block 30 is positioned at as shown in Figure 2, during by primary importance that solid line indicated, torque spring 60 is to be by twisting states, and pivot block 30 is positioned at shown in Figure 2ly again, and during by the second place that dotted line indicated, torque spring 60 is to be relaxed state.

Fig. 4 is the three-dimensional exploded view according to another embodiment of the automatic-opening locating hinge 1 of the utility model, and Fig. 5 is the three-dimensional combination figure of automatic-opening locating hinge 1 shown in Figure 4.Locating hinge shown in Figure 41 is to be with the main difference point of the locating hinge of Fig. 1, and the assembly department 32 ' of pivot block 30 ' is that the carrier 34 with pivot block 30 ' is a bend angle, to be applicable to the structure of different computers.

The locating hinge 1 of Fig. 4 comprises locking pad 70, lubricated pad 80 in addition, reaches profile of tooth shell fragment 90 again.The pad 70 that wherein locks is to be arranged in pivot block 30 both sides respectively to be used for strengthening the locking effect; Lubricated pad 80 is to be arranged in pivot block 30 ' both sides respectively rotationally, can form some oilholes 82 on the lubricated pad 80, is convenient to add lubricant oil, and lubrication effect is provided; Reaching profile of tooth shell fragment 90 is to be arranged between pivot block 30 ' and the tying means C, provides pivot member axial torsion adjustment.Fig. 7 is the three-dimensional exploded view according to the another embodiment of automatic-opening locating hinge 1 of the present utility model, in the present embodiment, profile of tooth shell fragment 90 in one pressure spring, 95 alternate figures 4 is arranged between pivot block 30 ' and the tying means C, provides pivot member axial torsion adjustment.

Fig. 6 is the user mode schematic representation that the automatic-opening locating hinge 1 of Fig. 5 is assemblied in a computer A.Because first end 62 of torque spring 60 is to be fixed to and 10 of pivot members are on the spline sheet 50 of spline state, its second end 64 (as Fig. 1) is to be fixed to and 10 of pivot members are on the pivot block 30 ' of rotatable state again, as user after fixedly the default fixing device (not shown) between computer monitor D and the host computer M is released out, torque spring 60 can be by twisting states because of its natural relaxed state of elastic returning of torque spring 60, and make computer monitor D automatically spring open to one with host computer M position at angle.

Because formed semicircle hole 26 is and 20 of cam bits are eccentric setting on the cam bit 20, has a maximum spacing between one of center of circle 26a and perisporium 24 specified point.In the embodiment of this case, because the center of circle 26a of semicircle hole 26 is positioned on the vertical shaft of cam bit 20, center of circle 26a is less than the center of circle 26a of the semicircle hole 26 perpendicular distance V to the perisporium 24 of cam bit 20 to the horizontal equivalent h of the perisporium 24 of cam bit 20, and this perpendicular distance V is the ultimate range of 24 of center of circle 26a and perisporiums.According to the utility model, elastic-friction spare 40 has the ultimate range part at center of circle 26a apart from perisporium 24 and has maximum amount of deformation, and the moment maximum that dynamic friction produced of 20 of elastic-friction spare 40 and cam bits herein, and just can offset the torsion of torque spring 60.Therefore, when pivot block 30 ' was positioned at primary importance, the damping of 20 pairs of elastic-friction spares 40 of cam bit was less.When pivot block 30 ' is opened automatically because of the elastic force of torque spring 60 gradually, 20 of cam bits cooperate the elastic force of elastic-friction spare 40 buffering torque springs 60, slow down the speed that computer monitor D opens automatically, eventually to being still in the state that is an angle with host computer M.

At this moment, but the also angle between manual adjustment computer monitor D and host computer M of user, and the static friction by 40 of cam bit 20 and elastic-friction spares makes computer monitor D be still in optimal state.

Shown in Fig. 8 and the 8A constitutional diagram and the exploded view of the 4th embodiment's of the present utility model locating hinge 100.Locating hinge 100 mainly comprises a pivot member 110, a pivot block 120, a torque spring 130, a cam bit 140, an elastic-friction spare 150, reaches a tying means N.

Pivot member 110 comprises a fixing part 112 and a shaft 114, the preferable groove 116 that is provided with.Fixing part 112 can be provided with hole H, so that pivot member 110 is bonded on the main frame M.Shaft 114 has a pivot axis, and is preferable and extend into a cylindricality.

Pivot block 120 comprises an assembly department 122, reaches one first carrier 124.Assembly department 122 is in order to be bonded to display device D.Roughly with respect to shaft 114 vertical extent of pivot member 110, it is provided with pivot circular hole 128 and wears pivot for shaft 114 first carrier 124.

Torque spring 130 can be sheathed on shaft 114, has one first end 132 and one second end 134, supports being incorporated into pivot member 110 and pivot block 120 respectively partially, in order to the torsion that rotates with respect to pivot axis to be provided between pivot member 110 and pivot block 120.In one embodiment, first end 132 of torque spring 130 is received in the groove 116 of pivot member 110 and combines with pivot member 110, and second end 134 then is butted on a formed lug 125 on the pivot block 120 partially.

Cam bit 140 is plate-like, and it is to be made by the material that similar plastics etc. has a frictional damping characteristic.Cam bit 140 comprises cam profile surface 142, reaches an axial penetration hole 144.Cam profile surface 142 comprise along cam bit 140 periphery rings around surface area.Penetration hole 144 just can make the shaft 114 of pivot member 110 wear and mistake with being pivoted relative to each other.The cam bit 140 preferable holes 146 that are provided with for tab 172 embeddings of a spline sheet 170, further reach and strengthen the effect that prevents that cam bit 140 from pivoting with respect to shaft 114.Cam bit 140 better formation one are roughly slick and sly

Shape, it comprises a positioning groove 148 of laterally being located at the top on cam profile surface 142.

Elastic-friction spare 150 mainly utilizes elastic material, has a sessile end 152 and a friction side 154.Sessile end 152 is bonded to pivot block 120, and friction side 154 extends to cam bit 140 and is elastically biased toward on cam profile surface 142.

In this embodiment, a lubricated pad 80 with some oilholes 82 is arranged between first carrier 124 and the neighbouring element.Can add lubricant oil on the oilhole 82, and the unnecessary friction between its first carrier 124 and the neighbouring element when reducing pivot block 124 and pivoting.

Tying means N is a nut or other fixed elements, after being assemblied in pivotal axis 110 at each element, is incorporated on the free end of shaft 114, to be assembled into locating hinge 100.

Be after being assemblied in cam bit bias voltage formula locating hinge 100 on the computer shown in Fig. 9 A～9D, the operational scenario that the friction side of display device D, main frame M, cam bit 140 and elastic-friction spare 150 is 154.Display device D can utilize a default fixing device (as fastener etc.) and keep relation close to each other (Fig. 9 A) with main frame M before unlatching, spring 130 (is not shown in Fig. 9 A～9D) and then is in complete tensioning state; The friction side 154 of elastic-friction spare 150 is closely against on the cam profile surface 142 of cam bit 140.After the user pushed a spring switch (not shown) or opens display device D by other modes, the elastic force of torque spring 130 ordered about display device D immediately and pops up (Fig. 9 B) automatically, so pivot block 120 is with respect to pivot axis.Elastic-friction spare 150 is consolidated on the pivot block 120, during pivot block 120 pivots, its friction side 154 continuous elastic are biased on the cam profile surface 142, and continuously change pressure along with the change in shape on cam profile surface 142 to friction side 154, and then increase frictional force between cam profile surface 142 and the friction side 154 gradually, in the friction side 154 of elastic-friction spare 150 blocks the positioning groove 148 of cam bit 140 (Fig. 9 C) and arrival is located.At last can be further by adjusting (Fig. 9 D) before and after the user, to select the most appropriate visual angle at display device D.

Be the 5th embodiment's of the present utility model locating hinge 200 shown in Figure 10 and the 10A, it comprises a pivot member 210, a pivot block 220, a torque spring 230, a cam bit 240, an elastic-friction spare 250, reaches a tying means N '.Pivot member 210 comprises a fixing part 212 and a shaft 214.Pivot block 220 comprises an assembly department 222, and is provided with first and second carrier 224,226 that pivot circular hole 228 be arranged in parallel at interval each other, this first and second carrier 224,226 roughly with shaft 214 vertical extent.Torque spring 230 has first end 232 and second end 234, supports being incorporated into pivot member 210 and pivot block 220 respectively partially.In this embodiment, a separable catch 270 can not be sheathed on shaft 124 with being pivoted relative to each other, and it has a stopper part 272 with second end 232 in conjunction with this torque spring 230.Cam bit 240 comprises cam profile surface 242, reaches a penetration hole 244 of crossing for pivot member 210 does not wear pivotly." " shape that cam bit 240 preferable formation one are roughly slick and sly, it comprises a positioning groove 248 of laterally being located at the top on cam profile surface 242.Elastic-friction spare 250 has a sessile end 252 and a friction side 254.Sessile end 252 is bonded to pivot block 220, and friction side 254 is elastically biased toward on cam profile surface 242.Tying means N ' is to be the free end that cooperation is consolidated in shaft 214.The operating process of locating hinge 200 is identical with Fig. 9 A～9D those shown.

Figure 11～11A, 12 and 13 locating hinge the 300,400, the 500th, the alternate embodiment of the locating hinge 200 of the utility model Figure 10～10A, its main difference is each locating hinge (200,300,400,500) pivot member (210,310,410,510), pivot block (220,320,420,520), torque spring (230,330,430,530), cam bit (240,340,440,540), reach elastic-friction spare (250,350,450,550) relative position between is changed in addition, but operating process is all identical with Fig. 9 A～9D those shown.

The utility model can also other particular form be implemented, and does not break away from spirit of the present utility model and key property.Therefore above listed embodiment should think exemplary and non-limiting in every respect.

Claims

1, a kind of locating hinge is characterized in that: comprising:

Wherein and in one of shaft free end gone here and there syzygy knot.

2, locating hinge according to claim 1 is characterized in that: the profile of this cam bit becomes Shape, and form a location groove in its top, but the friction side of ammunition feed frottage part is complied with the shape of this contour surface and frictional slip, and stop in this positioning groove.

3, locating hinge according to claim 1 is characterized in that: this pivot member is formed with a groove to accept fixedly first end of torque spring.

4, locating hinge according to claim 1 is characterized in that: this pivot member comprises a separable catch in addition, and it can not be sheathed on this shaft with being pivoted relative to each other, and this catch has a stopper part with second end in conjunction with torque spring.

5, locating hinge according to claim 1 is characterized in that: be provided with a pad and/or a nut to go here and there the syzygy knot in the free end of shaft.

6, locating hinge according to claim 1 is characterized in that: this shaft extends into a cylindricality.

7, according to claim 1 or 2 or 3 or 4 or 5 or 6 described locating hinges, it is characterized in that: this pivot block comprises second carrier identical with first carrier in addition, and the setting at interval that is parallel to each other between this second carrier and first carrier.

8, locating hinge according to claim 7 is characterized in that: this cam bit is to be sheathed on the shaft with relatively rotating, and between first carrier and second carrier.

9, locating hinge according to claim 7 is characterized in that: this torque spring is to be sheathed on shaft, and between first carrier and second carrier.