CN201439800U

CN201439800U - Two-section increased torque hinge

Info

Publication number: CN201439800U
Application number: CN200920156611XU
Authority: CN
Inventors: 江永璋
Original assignee: KUNSHAN WANHE PRECISE INDUSTRY Co Ltd
Current assignee: KUNSHAN WANHE PRECISE INDUSTRY Co Ltd
Priority date: 2009-06-01
Filing date: 2009-06-01
Publication date: 2010-04-21
Anticipated expiration: 2019-06-01

Abstract

The utility model relates to a two-section increased torque hinge which leads a monitor to rotate and actuate relatively to a host, and comprises a first joint seat, a rotating shaft, a second joint seat, a torque positioning part, a torque rotating part, an compression shrapnel group and a screw cap; the torque positioning part and the torque rotating part are compressed by the resilience of the compression shrapnel group; when the rotating shaft rotates to a position in a preset angle, the lug of the torque rotating part quickly slips form a first slope surface of the torque positioning part into a limit slot, so that the monitor is automatically fully covered with the host; at the beginning when the monitor is turned on relatively to the host, the lug of the torque rotating part first slides out of the first slope surface, so that the friction force produced by the resilience compression of the compression shrapnel group at the beginning of opening is quite small; and after the monitor is turned on relatively to the host, the lug of the torque rotating part slides out of the limit slot through a second slope surface and more friction force is produced by the resilience compression of the compression shrapnel group, so that the torque of the rotating shaft is increased.

Description

Two sections are increased the weight of Torque force hinge joint

Technical field

The utility model relates to a kind of hinge of electronic product, particularly relates to a kind of need such as notebook computer, PDA Personal Digital Assistant, digital camera, mobile phone that are applied in two sections of the relative main frame body of display device rotation start are increased the weight of Torque force hinge joint.

Background technique

Electronic equipments such as the display screen of use such as notebook computer, PDA Personal Digital Assistant, digital camera, mobile phone are arranged at present, mainly be that one side that display device is relative with the main frame body adopts hinge with the mode winding that is coupling, and as long as another relative edge that display device and main frame body are coupling struts and can use, if when not using, also, can be convenient to after covering in this way collect and carry outside as long as display device pressed down its commentaries on classics and main frame body are covered.

And aforementioned display device need establish a switch at the main frame body display device is caught on fashionable with the main frame body cap usually, with avoid display device can't be fully and the main frame body cover; See also the TaiWan, China patent announcement No. 506549, relate to a kind of incline hinge, its major character is in order to install torque differences on incline hinge.This hinge comprises an assembling set material, and it is installed on the installation metal part of device body side, and installing is with the bearing metal portion towards the right angle orientation bending; One rotary part, it is installed on the switch body side and is equipped with assembly department, large-diameter portion, distortion minor diameter part, and be installed in the bearing metal portion of above-mentioned assembling set material, make and to come rotating running shaft to bearing hole, and between a certain side of the large-diameter portion of this running shaft and bearing metal portion, the set inserting hole of heart part and the above-mentioned running shaft of planting therein; One in order to turn round jointly with this running shaft or bearing metal portion stops the first set friction pad, and the set inserting hole of its core is to be inserted with aforesaid distortion minor diameter part; One for fix with the aforementioned bearings metal part or with the second set friction pad of the common revolution of aforementioned running shaft, one second part that friction pad contacts therewith, its center portion is to be provided with the distortion inserting hole, inserts in it will be out of shape minor diameter part; Pressure spring pad, disc or the wave plate of odd number or plural number are waited and form elastic mean, and by above-mentioned distortion minor diameter part being inserted the set inserting hole in this elastic mean center portion and connecting; Reaching one can push with pad with running shaft is rotating, it can be deformed minor diameter part and drive, and in its formed object of outstanding side near adjacency, the above-mentioned running shaft of bearing metal portion either side axially on, understand angle of revolution, and produce different friction torques because of this running shaft.

Because the hinge patent of above-mentioned existing known techniques, in the rotational travel of closing, when there is no the design rotating shaft and rotating to a predetermined angular position, even the hinge structure that display device can be automatically covers fully with the main frame body, so there is it to lack existence; Therefore, just there is the existing known utility model patent of No. 411069 hinge means of TaiWan, China patent announcement to occur, its major technique is to see through rotating component and the locating piece abutted surface of transferring structure and has a rotating distance, only there is a fixed point that this rotating component is engaged with this locating piece to reach the non-section type positioning closing and do not need switch just screen can be done closed action, and see through and to install one group of resistance additional and produce the setting of the resistance assembly of structure and pad and increase mutual surface friction drag, make the hinge of small axle diameter also have firm non-section type positioning closing by this; Though the existing known hinge model utility that No. the 411069th, this TaiWan, China patent announcement has the function of auto-closing, remained its desirable not to the utmost part, below other drawing formula is described in detail.

See also Figure 1A～1E and cooperate shown in Figure 2; At first please see Figure 1A, continuous start meaning diagrammatic sketch and formed torque curve figure thereof that this launches for the partial component of No. 411069 existing known hinge of the above-mentioned TaiWan, China patent announcement of explanation, the assembly that is illustrated has comprised locating piece (5) and rotating component (6), and comprised resistance and produced structure (7), also comprised the reset assembly (8) between rotating component (6) and the resistance generation structure (7) at last, and the locating piece among this Figure 1A (5), rotating component (6), reset assembly (8), resistance produces the relativeness position of structure (7) institute shape, be equal to the display device that does not show and be covered on state on this main frame body fully, please see again to shown in Figure 2, wherein existing known unlatching curve (POP) and the starting point that has known pass closed curve (PCL) now, be the described display device angle that rotating shaft is rotated when being covered on this main frame body fully and be 0 ° position, and when this angle of swing is 0 °, hinge still has because of the elasticity of reset assembly (8) compacting rotating component (6) and produces the interior torsion of the restraining groove (5a) that slips into locating piece (5) automatically (or internal stress, this torsion is about 1); And be opened into when forming angle and be 5 ° when being 5 ° (rotating shaft rotate to angle) when display device with the main frame body, please contrast shown in Figure 1B, protuberance this moment (6a) starts from skidding off on the restraining groove (5a) interior domatic (5b), therefore restraining groove (5a) skids off and is compressed to reset assembly (8), cause torsion to increase fast, as being shown in 5 ° the existing known unlatching curve (POP) in angle among Fig. 2, can know and find out when display device is just opened, the existing known unlatching curve (POP) of finding generation is considerably steep in the drawings, and the power of being executed when this promptly represents to raise display device must be heavier; Be opened into (when rotating shaft rotates to angle just above 10 °) when forming angle just above 10 ° when display device again with the main frame body, please contrast shown in Fig. 1 C, protuberance this moment (6a) skids off on domatic (5b) in restraining groove (5a) fully, because protuberance (6a) just breaks away from domatic (5b), therefore protuberance (6a) skids off and is compressed to reset assembly (8) and has crossed transition point, causing reset assembly (8) to cross because of protuberance (6a) descends after transition point generation maximum compression forms acrotorque more rapidly, as among Fig. 2 in angle for surpassing shown in 10 ° the existing known unlatching curve (POP), can know and find out in the process that display device is opened, acrotorque (this torsion is about 8) in the existing known unlatching curve (POP) that existing known hinge is produced is sizable, more provable thus, when raising the display device of existing known hinge with auto-closing, be to need sizable strength just display device can be opened, this is the place of the main problem of existing known hinge of No. the 411069th, this TaiWan, China patent announcement, often cause the user at the beginning of opening, must with both hands respectively the application of force on display device and main frame body, just be able to display device is broken into two with one's hands, otherwise the main frame body will be will be pulled open by the application of force with display device the time and together driven; Yet, when display device continue to be opened into form angle and surpass 10 ° with the main frame body after (be rotating shaft rotate to angle surpasses 10 ° after), please contrast shown in Fig. 1 D and Fig. 1 E, protuberance this moment (6a) maintains already on the position that breaks away from domatic (5b) and no longer continues compacting reset assembly (8), stablize torsion and form one when sliding, as among Fig. 2 in angle for surpassing shown in 10 ° of later existing known unlatching curves (POP), can know and find out that this existing known hinge after the display device unlatching is 10 ° above angle, produces the stable torsion (this torsion is about 4.5) shown in existing known unlatching curve (POP); But owing to reach following display device trend at present, all be to be main flow to have writable panel, so existing known hinge is under this stable torsion, when opening display makes the user touch the hand-written panel of display device, the torsion that should have known hinge now is not enough in fact, and display device often takes place therefore reformed situation of vibrations or angle is arranged.

This shows that above-mentioned existing hinge obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of novel two sections and increase the weight of Torque force hinge joint, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.

Because the defective that above-mentioned existing hinge exists, the inventor is based on being engaged in this type of product specification manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, increase the weight of Torque force hinge joint in the hope of founding a kind of novel two sections, can improve general existing hinge, make it have more practicability.Through constantly research, design, and, create the present invention who has practical value finally through after studying sample and improvement repeatedly.

Summary of the invention

Main purpose of the present utility model is, overcome the defective that existing hinge exists, and provide a kind of novel two sections to increase the weight of Torque force hinge joint, technical problem to be solved is to make its closing in the rotational travel at display device, hinge not only can be when rotating to a predetermined angular position, even display device is automatic and the main frame body covers fully, and at the beginning of the relative main frame body of display device is opened, rotating shaft has the less torsion that can keep not having the section locating effect, it is more or less freely to make the user open, and the relative main frame body of display device is opened the back in the visual angular range of user, rotating shaft is still possessed the effect of not having the section location and is had the torsion that increases the weight of, touch display pannel when preventing to use and produce the vibrations of display device or the change of its angle, be very suitable for practicality to reach.

The purpose of this utility model and to solve its technical problem be to adopt following technological scheme to realize.Increase the weight of Torque force hinge joint according to a kind of two sections of the utility model proposes, have one first joint chair, this first joint chair extend have one with the assembly end and a shaft supporting part of this main frame body engagement, and this shaft supporting part is equipped with a perforation; One rotating shaft, this rotating shaft have one and wear above-mentioned axle perforation and axle and establish an axial region and an affixed latch on it; One second joint chair, this second joint chair have an affixed jack that sets firmly for above-mentioned affixed latch, and one engage with this display device connect end; One torsion rotating component, this torsion rotating component is fixed on this axial region, and an end face has a projection; One torsion locating piece, be to be located in to be positioned at this torsion rotating component one side on this axial region and affixed, and this torsion locating piece have for the spacing draw-in groove of this projection clamping and for this projection and slip into or skid off the first domatic and second domatic of this spacing draw-in groove with this first joint chair; One compression shell fragment group, this compression shell fragment group is located on this axial region; And a nut, this nut are fixed in the axial region end of this rotating shaft.

The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.

Aforesaid two sections are increased the weight of Torque force hinge joint, and wherein said nut is other to have at least one friction pads, and this friction pads and this rotating shaft are affixed.

Aforesaid two sections are increased the weight of Torque force hinge joint, and wherein said compression shell fragment group is constituted by the arc pad of plural number, and these arc pad at least two cambered surfaces of plural number are oppositely arranged.

Aforesaid two sections are increased the weight of Torque force hinge joint, and the arc pad of wherein said plural number is four.

Aforesaid two sections are increased the weight of Torque force hinge joint, and wherein said torsion locating piece has a locating stud.

Aforesaid two sections are increased the weight of Torque force hinge joint, and the shaft supporting part of wherein said first joint chair has one for the interspersed affixed positioning hole of this locating stud.

Aforesaid two sections are increased the weight of Torque force hinge joint, and wherein said shaft supporting part has a locating point.

Aforesaid two sections are increased the weight of Torque force hinge joint, and wherein said rotating shaft extension is provided with an angular positioning piece.

Aforesaid two sections are increased the weight of Torque force hinge joint, and the axial region end of wherein said rotating shaft has a screw section.

Aforesaid two sections are increased the weight of Torque force hinge joint, and the screw section of wherein said nut and this rotating shaft is spirally connected.

The utility model compared with prior art has tangible advantage and beneficial effect.Via as can be known above, in order to achieve the above object, the utility model provides a kind of two sections to increase the weight of Torque force hinge joint, provide the side rotation start of the relative main frame body of a display device, include one first joint chair, this first joint chair extend have one with the assembly end and a shaft supporting part of this main frame body engagement, and this shaft supporting part is equipped with a perforation; One rotating shaft, this rotating shaft have one and wear above-mentioned axle perforation and axle and establish an axial region and an affixed latch on it; One second joint chair, this second joint chair have an affixed jack that sets firmly for above-mentioned affixed latch, and one engage with this display device connect end; One torsion rotating component, this torsion rotating component is to be fixed on this axial region, and an end face has a projection; One torsion locating piece, be located in and be positioned at this torsion rotating component one side on this axial region and affixed, and this torsion locating piece then has for the spacing draw-in groove of this projection clamping and for this projection and slips into or skid off the first domatic and second domatic of this spacing draw-in groove with this first joint chair; One compression shell fragment group, this compression shell fragment group is to be located on this axial region; And a nut, this nut are the axial region ends that is fixed in this rotating shaft.

By technique scheme, the utility model increases the weight of Torque force hinge joint for two sections and has following advantage and beneficial effect at least: this main torsion locating piece of the utility model and this torsion rotating component are suppressed by the restoring force of this compression shell fragment group, when this rotating shaft rotates to a predetermined angular position, the projection of this torsion rotating component is promptly by first domatic the slipping into fast in this spacing draw-in groove of this torsion locating piece, make this display device automatically and this main frame body cover fully; And at the beginning of the relative main frame body of display device is opened, the projection of this torsion rotating component skids off earlier promptly that this is first domatic, the surface friction drag that makes the restoring force compacting of this compression shell fragment group at the beginning of opening produce is less, and after the relative main frame body of display device is opened, the projection of this torsion rotating component is again via this second domatic this spacing draw-in groove that skids off, and be subjected to the restoring force compacting of this compression shell fragment group to produce bigger surface friction drag, make the torsion of rotating shaft have the effect that increases the weight of; So the utility model so increases the weight of the torsion design, when user's opening display in exercisable angular range and the hand-written panel of contact display device when using, can reach touching display pannel when preventing to use and produce the vibrations of display device or the change of its angle.

In sum, the utility model relates to a kind of two sections and increases the weight of Torque force hinge joint, makes the relative main frame rotation of display device start.It includes first joint chair, rotating shaft, second joint chair, torsion locating piece, torsion rotating component, compression shell fragment group and nut; In order to do mat, main torsion locating piece and torsion rotating component be the restoring force compacting of shell fragment group by compression, when rotating shaft rotated to a predetermined angular position, the projection of torsion rotating component was promptly by first domatic the slipping into fast in the spacing draw-in groove of torsion locating piece, make display device automatically and the main frame body cover fully; And at the beginning of the relative main frame body of display device is opened, the projection of this torsion rotating component skids off earlier promptly that this is first domatic, the surface friction drag that makes the restoring force compacting of this compression shell fragment group at the beginning of opening produce is less, and after the relative main frame body of display device is opened, the projection of this torsion rotating component is again via this second domatic this spacing draw-in groove that skids off, and be subjected to the restoring force compacting of this compression shell fragment group to produce bigger surface friction drag, make the torsion of rotating shaft have the effect that increases the weight of.

The utility model has obvious improvement technically, and has tangible good effect, really is a new and innovative, progressive, practical new design.

Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.

Description of drawings

The continuous illustrative view that Figure 1A～1E launches for existing known hinge partial component.

Fig. 2 is the torque curve figure of existing known Figure 1A～1E formation.

Fig. 3 is two sections three-dimensional appearance schematic representation that increase the weight of Torque force hinge joint of the utility model.

Fig. 4 is the schematic top plan view of the utility model Fig. 3.

Fig. 5 is the perspective exploded view of the utility model Fig. 3.

Fig. 6 is the perspective exploded view at another visual angle of the utility model Fig. 3.

Fig. 7 is the local enlarged diagram of the utility model Fig. 5 and Fig. 6.

Fig. 8 A～8F is that two sections of the utility model increase the weight of the continuous illustrative view that the Torque force hinge joint partial component is launched.

Fig. 9 is the torque curve figure that the utility model Fig. 8 A～8F forms.

Embodiment

For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to increasing the weight of its embodiment of Torque force hinge joint, structure, feature and effect thereof according to two sections of the utility model proposes, describe in detail as after.

Relevant aforementioned and other technology contents, characteristics and effect of the present utility model can clearly present in the following detailed description that cooperates with reference to graphic preferred embodiment.For convenience of description, in following embodiment, components identical is represented with identical numbering.

Please cooperate and consult Fig. 3～Fig. 7, can know as shown in the figure and find out, the utility model is a kind of two sections and increases the weight of Torque force hinge joint 10, a side that provides the relative main frame body of a display device rotates start, and (this can understand for being familiar with this technical field person, so do not illustrated this display device and this main frame body and two sections textural association figure that increase the weight of Torque force hinge joint of the utility model) at this, these two sections are increased the weight of Torque force hinge joint 10 and include one first joint chair 20, this first joint chair 20 extend have one with the assembly end 21 and a shaft supporting part 22 of this main frame body engagement, and this shaft supporting part 22 is equipped with a perforation 221, and wherein this shaft supporting part 22 has a locating point 223; One rotating shaft 40, this rotating shaft 40 has one and wears above-mentioned axle perforation 221 and axle and establish an axial region 41 and an affixed latch 42 on it, wherein these rotating shaft 40 extensions are provided with an angular positioning piece 43, this rotating shaft 40 can limit this rotating shaft 40 by this angular positioning piece 43 touches this locating point 223 or a locating stud 52 in rotation the axle journey of changing one's profession, in addition, axial region 41 ends in this rotating shaft 40 have a screw section 411; One second joint chair 30, this second joint chair 30 have an affixed jack 31 that sets firmly for above-mentioned affixed latch 42, and one engage with this display device connect and hold 32; One torsion rotating component 60, this torsion rotating component 60 are to be fixed in this rotating shaft 40, and an end face has a projection 61; One torsion locating piece 50, be located in and be positioned at these torsion rotating component 60 1 sides in this rotating shaft 40 and affixed, and 50 of this torsion locating pieces have for the spacing draw-in groove 51 of these projection 61 clampings and for this projection 61 and slip into or skid off first domatic 511 and second domatic 512 of this spacing draw-in groove 51 with this first joint chair 20; One compression shell fragment group 80, this compression shell fragment group 80 is to be located in this rotating shaft 40, and the arc pad 81 by plural number is constituted, in order to provide the 50 rotation starts of 60 pairs of these torsion locating pieces of this torsion rotating component required frictional force, wherein Fu Shuo these arc pad 81 at least two cambered surfaces are oppositely arranged, and these arc pad 81 preferable quantity are four, and are divided into four arc pads 81 that two groups of each two cambered surfaces are oppositely arranged for good; And a nut 70, this nut 70 are axial region 41 ends that are fixed in this rotating shaft 40, and wherein this nut 70 is spirally connected with the screw section 411 of this rotating shaft 40; At last, these nut 70 sides have at least one friction pads 90, and this friction pads 90 is affixed with this rotating shaft 40, and to increase the frictional force of this rotating shaft 40 in axle is changed one's profession journey, order better do not have section effect of locating.

This torsion locating piece 50 is suppressed by the restoring force of this compression shell fragment group with this torsion rotating component 60, when this rotating shaft 40 rotates to a predetermined angular position, the projection 61 of this torsion rotating component 60 is promptly slipped in this spacing draw-in groove 51 fast by first domatic 511 of this torsion locating piece 50, make this display device automatically and this main frame body cover fully; And at the beginning of the relative main frame body of display device is opened, the projection 61 of this torsion rotating component 60 promptly skid off earlier this first domatic 511, the surface friction drag that makes the restoring force compacting of this compression shell fragment group 80 at the beginning of opening produce is less, it is more or less freely and can possess an effect of not having the section location at the beginning of order is opened, and after the relative main frame body of display device is opened, the projection 61 of this torsion rotating component 60 second domatic 512 skids off this spacing draw-in groove 51 via this again, and be subjected to the restoring force compacting of this compression shell fragment group 80 to produce bigger surface friction drag, make the torsion of rotating shaft 40 have an effect that increases the weight of and can possess nothing section location; Yet preferred embodiment of the present utility model though be that angle of swing with rotating shaft 40 has the effect that increases the weight of torsion in 45 °～145 ° scope, is not exceeded with this scope; The utility model is with this second domatic 512 purpose that increases the weight of torsion, be because of reaching following display device trend at present, all be to be main flow to have writable panel, so the utility model so increases the weight of the torsion design, when the hand-written panel of opening display in the visual angular range of user, when the user touches the hand-written panel of display device, can prevent that display device from producing the change of vibrations or its angle.

Please consulting shown in Fig. 8 A～8F again, for two sections of the utility model increase the weight of the continuous illustrative view that the Torque force hinge joint partial component is launched, and please cooperate shown in Figure 9ly, is the torque curve figure that Fig. 8 A～8F forms; At first please see Figure 8A, the assembly that this partial component unfolded drawing is illustrated, comprised torsion locating piece 50 and on spacing draw-in groove 51, first domatic 511 and second domatic 512, with comprised torsion rotating component 60 and on projection 61, also comprise nut 70 at last and be located at compression shell fragment group 80 between this torsion rotating component 60 and the nut 70, and this torsion locating piece 50 among this Fig. 8 A, torsion rotating component 60, the relativeness position of compression

shell fragment group

80 and 70 shapes of nut, be equal to the display device that does not show and be covered on state on this main frame body fully, please see again to shown in Figure 9, open curve OP and the starting point of closing curve C L, be the aforementioned display device angle that rotating shaft 40 is rotated when being covered on this main frame body fully and be 0 ° position, and when this angle of swing is 0 °, these two sections are increased the weight of Torque force hinge joint 10 and still have because of compressing the elasticity of shell fragment group 80, and the projection 61 of suppressing this torsion rotating component 60 slips into the torsion that produced in the spacing draw-in groove 51 of this torsion locating piece 50 (or internal stress, this torsion is about 1) automatically; And be opened into when forming angle and be 10 ° when being 10 ° (rotating shaft 40 rotate to angle) when display device with the main frame body, please contrast shown in Fig. 8 B, this moment projection 61 in spacing draw-in groove 51 first domatic 511 on skid off fully, because projection 61 just breaks away from first domatic 511, therefore projection 61 skids off and is compressed to compression shell fragment group 80 and has crossed transition point, cause compression shell fragment group 80 to be understood because of dropping to first section stable torsion (this torsion is about about 3.5) of normal decrement behind the projection 61 mistake transition point formation higher torsion (this torsion is about about 6) rapidly, because the utility model is domatic with two sections of being divided into first domatic 511 and second domatic 512 in the spacing draw-in groove 51, therefore projection 61 skid off first domatic 511 and be compressed to distance that the distance of compression shell fragment group 80 compresses fully than existing known techniques little, as among Fig. 9 in angle for surpassing shown in 10 ° the unlatching curve OP, can know and find out in the process that display device is opened, it has been little much really that two sections of the utility model increase the weight of higher torsion (about about 6) among the unlatching curve 0P that Torque force hinge joint 10 the produced acrotorque (about about 7.5) at the beginning of opening compared to existing known unlatching curve POP (as shown in Figure 2), this is at the beginning of raising display device, rotating shaft 40 has the less torsion that makes the more or less freely unlatching effect of user still possessing under the situation of not having the section locating effect; And continue to be opened into (when rotating shaft 40 rotates to angle about 30 °) when forming angle about 30 ° when display device with the main frame body, please contrast shown in Fig. 8 C, projection 61 maintained already to break away from first domatic 511 the position and no longer increased compacting compression shell fragment group 80 and slide (this torsion is about about 3.5) this moment, as among Fig. 9 at Jiao Du Pie shown in 30 ° the unlatching curve OP, can know and find out that two sections of the utility model increase the weight of Torque force hinge joint 10 and open when angle is 30 ° at display device, generation is as opening the first section stable torsion (this torsion is about about 3.5) shown in the curve OP; And continue to be opened into (when rotating shaft 40 rotates to angle just above 45 °) when forming angle just above 45 ° when display device with the main frame body, please contrast shown in Fig. 8 D, this moment, projection 61 began to enter on second domatic 512 the position, and began to suppress once again compression shell fragment group 80; And continue to be opened into (when rotating shaft 40 rotates to angle just above 60 °) when forming angle just above 60 ° when display device with the main frame body, please contrast shown in Fig. 8 E, this moment projection 61 in spacing draw-in groove 51 second domatic 512 on skid off fully, because projection 61 just breaks away from second domatic 512, therefore projection 61 skids off and is compressed to compression shell fragment group 80 and has crossed transition point, cause compression shell fragment group 80 to be understood because of dropping to second section stable torsion (this torsion is about about 5.5) of normal decrement behind the projection 61 mistake transition point formation the highest torsion (this torsion is about about 7) rapidly, this be display device continue to be opened into form angle and surpass 60 ° with the main frame body after (be rotating shaft 40 rotate to angle surpasses 60 ° after) stable torsion during to maximum angle, at this utility model with rotating shaft 40 angle of swing about the position shown in Fig. 8 F of 90 °, the torsion of rotating shaft 40 all has the effect that increases the weight of, as among Fig. 9 in angle for surpassing shown in 60 ° the unlatching curve OP, can know and find out that two sections of the utility model increase the weight of Torque force hinge joint 10 after the display device unlatching is 60 ° just above angle, generation in fact can be greater than the stable torsion (this torsion is about about 4.5) of existing known unlatching curve POP (as shown in Figure 2) as opening the second section stable torsion (this torsion is about about 5.5) shown in the curve OP; So the utility model not only can be when rotating to a predetermined angular position, even display device is automatic and the main frame body covers fully, and at the beginning of the relative main frame body of display device is opened, rotating shaft 40 has the less torsion that can keep not having the section locating effect, it is more or less freely to make the user open, and the relative main frame body of display device is opened the back in the visual angular range of user, rotating shaft 40 is still possessed not to be had the section location and has the effect that increases the weight of torsion, touch display pannel when preventing to use and produce the vibrations of display device or the change of its angle to reach, yet, above-mentioned preferred embodiment of the present utility model, though be that angle of swing with rotating shaft 40 has the effect that increases the weight of torsion in 45 °～145 ° scope, do not exceed with this scope.

On the contrary, when display device begins oppositely to close to (when rotating shaft 40 rotates to angle just above 60 °) when forming angle just above 60 ° with the main frame body, please contrast shown in Fig. 8 E, projection 61 is just crossed transition point and is entered slip rapidly on second domatic 512 at this moment, cause compression shell fragment group 80 to begin to be discharged hastily and form torsion and descend rapidly because of crossing transition point, as among Fig. 9 in angle for surpassing 60 ° close shown in the curve C L, can know and find out that two sections of the utility model increase the weight of Torque force hinge joint 10 and close when being 60 ° just above angle at display device, produced close among the curve C L angle be 60 °～45 ° of scopes the torsion that plunges (this torsion be about 5.5 plunge about) to 3.5; Close to (when rotating shaft 40 rotates to angle just above 10 °) when forming angle just above 10 ° when display device again with the main frame body, please contrast shown in Fig. 8 B, this moment, projection 61 was because of compressing the compacting of shell fragment group 80 restoring forces, promptly begin to fall into spacing draw-in groove 51 first domatic 511 on, because just crossing transition point, projection 61 on first domatic 511, slides, because of projection 61 by compression the compacting mat first domatic 511 of shell fragment group 80 restoring forces slip into fast in the spacing draw-in groove 51, and discharge the press power of compression shell fragment group 80 fast, and get back to relevant position shown in Fig. 8 A fast, make Fig. 9 shaft 40 angle be 10 °～0 ° scope obtain the torsion that plunges again (this torsion be about 3.5 plunge about) to 1 close curve C L, this torsion that plunges can cover display device on the main frame body; Hence one can see that the utility model when implementing, when closing display device when arriving a predetermined angular position (only is to be that 10 ° position illustrates with angle at this), promptly can make display device automatically and the main frame body cover fully.

The above person of thought, it only is preferred embodiment of the present utility model, when can not with the scope implemented of qualification the utility model, promptly the equalization of being done according to the utility model claim generally changes and modifies, and all should still belong in the scope that the utility model patent contains.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art are not in breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.

Claims

1. one kind two sections are increased the weight of Torque force hinge joint, it is characterized in that:

Have one first joint chair (20), this first joint chair (20) extend have one with the assembly end (21) and a shaft supporting part (22) of this main frame body engagement, and this shaft supporting part (22) is equipped with a perforation (221); One rotating shaft (40), this rotating shaft (40) have one and wear above-mentioned axle perforation (221) and axle and establish an axial region (41) and an affixed latch (42) on it; One second joint chair (30), this second joint chair (30) have one for the affixed jack (31) that sets firmly of above-mentioned affixed latch (42), and one engage with this display device connect end (32); One torsion rotating component (60), this torsion rotating component (60) is fixed on this axial region (41), and an end face has a projection (61); One torsion locating piece (50), be to be located in to be positioned at these torsion rotating component (60) one sides on this axial region (41) and affixed, and this torsion locating piece (50) have for the spacing draw-in groove (51) of this projection (61) clamping and slip into or skid off first domatic (511) and second domatic (512) of this spacing draw-in groove (51) for this projection (61) with this first joint chair (20); One compression shell fragment group (80), this compression shell fragment group (80) is located on this axial region (41); And a nut (70), this nut (70) are fixed in axial region (41) end of this rotating shaft (40).

2. two sections according to claim 1 are increased the weight of Torque force hinge joint, it is characterized in that wherein said nut (70) side has at least one friction pads (90), and this friction pads (90) is affixed with this rotating shaft (40).

3. two sections according to claim 1 and 2 are increased the weight of Torque force hinge joint, it is characterized in that wherein said compression shell fragment group (80) is constituted by the arc pad (81) of plural number, and these arc pad (81) at least two cambered surfaces of plural number are oppositely arranged.

4. two sections according to claim 3 are increased the weight of Torque force hinge joint, it is characterized in that the arc pad (81) of wherein said plural number is four.

5. two sections according to claim 3 are increased the weight of Torque force hinge joint, it is characterized in that wherein said torsion locating piece (50) has a locating stud (52).

6. two sections according to claim 5 are increased the weight of Torque force hinge joint, it is characterized in that the shaft supporting part (22) of wherein said first joint chair (20) has one for the interspersed affixed positioning hole (222) of this locating stud (52).

7. two sections according to claim 6 are increased the weight of Torque force hinge joint, it is characterized in that wherein said shaft supporting part (22) has a locating point (223).

8. two sections according to claim 7 are increased the weight of Torque force hinge joint, it is characterized in that wherein said rotating shaft (40) extension is provided with an angular positioning piece (43).

9. two sections according to claim 8 are increased the weight of Torque force hinge joint, it is characterized in that axial region (41) end of wherein said rotating shaft (40) has a screw section (411).

10. two sections according to claim 9 are increased the weight of Torque force hinge joint, it is characterized in that wherein said nut (70) and the screw section (411) of this rotating shaft (40) are spirally connected.

11. two sections according to claim 1 and 2 are increased the weight of Torque force hinge joint, it is characterized in that wherein said torsion locating piece (50) has a locating stud (52).

12. two sections according to claim 11 are increased the weight of Torque force hinge joint, it is characterized in that the shaft supporting part (22) of wherein said first joint chair (20) has one for the interspersed affixed positioning hole (222) of this locating stud (52).

13. two sections according to claim 12 are increased the weight of Torque force hinge joint, it is characterized in that wherein said shaft supporting part (22) has a locating point (223).

14. two sections according to claim 13 are increased the weight of Torque force hinge joint, it is characterized in that wherein said rotating shaft (40) extension is provided with an angular positioning piece (43).

15. two sections according to claim 1 and 2 are increased the weight of Torque force hinge joint, it is characterized in that axial region (41) end of wherein said rotating shaft (40) has a screw section (411).

16. two sections according to claim 15 are increased the weight of Torque force hinge joint, it is characterized in that wherein said nut (70) and the screw section (411) of this rotating shaft (40) are spirally connected.