Hinge means
Technical field
The present invention relates to a kind of hinge means, relate in particular to a kind of hinge means with buffer structure.
Background technology
General now hinge means is inhomogeneous for the gravity that solves the prior art existence, eccentric wear takes place easily decrease problems such as causing the object torsional deformation.Described hinge means comprises free bearing, hinge mount, hinge axis, hinge shaft sleeve and spring, described hinge axis, hinge shaft sleeve, spring are installed on the hinge mount, and an end of hinge axis is fastened on the free bearing by the through hole of being located on the hinge mount, one end of the other end of hinge axis and hinge shaft sleeve cooperates, the other end butt spring of hinge shaft sleeve, hinge mount is fastening to be installed on the fixture, and free bearing is fastening to be installed on the casing, this hinge means can be after the fixture closure automatic locking.Yet described hinge means is because of no buffer structure, flicks when putting in place at described spring, tending to rebound back and forth 2-3 time just can stop, and not only fixture itself is caused certain impact, influences the stability of fixture, and it is fast to satisfy opening speed, the purpose that slows down to bit rate.
Summary of the invention
In view of above content, be necessary to provide a kind of hinge means with buffer structure.
A kind of hinge means, comprise first support and be rotatably connected on second support on described first support, described first support extends has one to have the friction arms on inclined plane, described second support is provided with the projection that matches with described and described friction arms, described projection is close to described friction arms, and produce rubbing action, thereby limit the speed that relatively rotates of described first support and described second support with described friction arms.
Preferably, described first support comprises one first movable part, the vertical bending of described first movable part one block that can be resisted against on described second support.
Preferably, described friction arms comprises a link and a free terminal that is connected with described first movable part, and described link and described free terminal be at same horizontal plane, and is higher than the horizontal plane of described link, thereby forms the inclined plane of described friction arms.
Preferably, described friction arms roughly is crescent.
Preferably, described first support can be fixed an installed part, and described second support is that rotating shaft is pivotally fixed in described first support with described installed part.
Preferably, described installed part also is arranged with one and rotates the flexible member of the described second support resilience of rear drive relative to described first support at described second support.
Preferably, an opening is offered on described installed part top, and described flexible member one end hook is buckled in the described opening, and the other end is resisted against on described second support.
Preferably, described second support includes second movable part, and described second movable part offers breach, and the other end of the ccontaining described flexible member of described breach is in order to compress described flexible member.
Preferably, described installed part is arranged with some in order to reduce the friction plate of the friction between first support and second support.
Preferably, described first support and second support all offer the through hole that described installed part is passed and make described first support and second support pivot and be fixed together.
Compared with prior art, friction arms in the better embodiment of hinge means of the present invention and projection constitute a buffer structure, and the rubbing action between it can limit the speed that relatively rotates of described first support and described second support.
Description of drawings
Fig. 1 is a three-dimensional exploded view of hinge means better embodiment of the present invention.
Fig. 2 is the structural representation of first support in the hinge means better embodiment of the present invention.
Fig. 3 is another three-dimensional exploded view of hinge means better embodiment of the present invention.
Fig. 4 is the three-dimensional assembly diagram of the hinge means of hinge means better embodiment of the present invention when opening.
Fig. 5 is another assembly drawing of hinge means better embodiment of the present invention.
Fig. 6 is that the hinge means of hinge means better embodiment of the present invention closes the assembly drawing in the closed procedure.
The specific embodiment
See also Fig. 1, Fig. 2 and Fig. 3, a better embodiment of hinge means of the present invention comprises an installed part 10, a flexible member 20, one first support 30, one second support 40 and some different friction plates 50.
Described installed part 10 comprises that a screw 11 and can be sheathed on the nut 13 of described screw 11.Described screw 11 has the head 112 of a broad, and one is connected in described head 112 and non-circular cross section neck 114.An opening 1121 that is " one " font is offered on described head 112 tops.Described neck 114 is formed with the screw thread 1141 that some and described nut 13 cooperates.
Described flexible member 20 is a torsion spring in the present embodiment, but the one end is bent to form the fixed part 21 of a fastener in described opening 1121, and other end extension is bent with a stopper section 23.
Described first support 30 comprises one first fixed part 31 and and described first fixed part, 31 first movable parts 33 connected vertically.Offer plurality of opening 311 on described first fixed part 31.Offer on described first movable part 33 one with the roughly the same through hole 331 of transverse cross-sectional shape of the neck 114 of described screw 11.Described first movable part 33 roughly is the friction arms 332 of crescent shape in contiguous described through hole 331 places extension one.Described friction arms 332 comprises that a link 3321 and that is connected with described first movable part 33 is connected in the free terminal 3323 of described link 3321.Described link 3321 and described free terminal 3323 be at same horizontal plane, and the horizontal plane of described link 3321 is higher than the horizontal plane of described free terminal 3323, makes described friction arms 332 form an inclined plane 3325 thus.The vertical bending of the free end of described first movable part 33 one block 335.
Described second support 40 comprises one second fixed part 41 and one and described second fixed part, 41 second movable parts 43 connected vertically.Offer plurality of opening 411 on described second fixed part 41.Offer a manhole 431, and the projection 433 in order to cooperate of a contiguous described through hole 431 on described second movable part 43 with described friction arms 332.Described second movable part 43 is offered a breach 435 at contiguous described second fixed part 41 places.
Described friction plate 50 comprises laminar friction plate 51 and spherical crown shape friction plate 52.Described laminar friction plate 51 is fixed between second movable part 43 of first movable part 33 of described first support 30 and described second support 40, in order to reduce the frictional force of described first support 30 and second support 40.Described spherical crown shape friction plate 52 is fixed between second movable part 43 and described nut 13 of described second support 40, in order to reduce the frictional force between described second movable part 43 and the described nut 13.Also fix a pad 60 between described spherical crown shape friction plate 52 and the described nut 13, described pad 60 becomes flexible in order to prevent described nut 13.Each friction plate 50 is offered an installing hole 70 in order to ccontaining described installed part 10 with described pad 60.
See also Fig. 4 and Fig. 5, during assembling, earlier described flexible member 20 is set on the head of described screw 11, fixed part 21 fasteners of described flexible member 20 are in the opening 1121 of described head 112.The neck 114 of described screw 11 passes the through hole 431 on second movable part 43 of installing hole 70, second support 40 of through hole 331 on first movable part 33 of described first support 30, each friction plate 50, and by described nut 13 described first support 30 is fixed together with described second support 40.Described projection 433 is close to described friction arms 332.Stopper section 23 backstops of described flexible member 20 are in breach 435 places of described second movable part 43.Described block 335 is sticked in the described breach 435.
When described hinge means was shown in an open position, described projection 433 was close to the below of the free terminal 3323 of described friction arms 332.Described flexible member 20 is in an original state.In the process that described hinge means is closed, described first support 30 rotates in opposite directions with described second support 40, elastic deformation takes place in described flexible member 20, described projection 433 slides to described link 3321 from described free terminal 3323 along the inclined plane 3325 of described friction arms 332, because described friction arms 332 is not in same plane with first movable part 33 of described first support 30, and the free terminal 3323 of described friction arms 332 is lower than the horizontal plane of described link 3321, frictional force between described projection 433 and the described inclined plane 3325 diminishes gradually, from being easy to open described hinge means.When described hinge means was positioned at a fastening position, described block 335 was positioned at the link 3321 of described first movable part 332.
In opening the process of described hinge means, described first support 30 rotates in opposite direction with described second support 40, described flexible member 20 elasticity are recovered, thereby described projection 433 slides to described free terminal 3323 along the inclined plane 3325 described links 3321 of described friction arms 332, because described friction arms 332 is not in same plane with first movable part 33 of described first support 30, and the free terminal 3323 of described friction arms 332 is lower than the horizontal plane of described link 3321, frictional force between described projection 433 and the described inclined plane 3325 becomes greatly gradually, thereby reduces the speed that relatively rotates of first support 30 with described second support 40 of described hinge means gradually.When described hinge means was closed, described block 335 was positioned at the below of free terminal 3323, and was resisted against the below of the breach 435 of described second movable part 43.
In present embodiment, described hinge means can be used in the notebook computer (figure does not show), at this moment, on the display of notebook computer, second fixed part 41 of described second support 40 was installed on the main frame of described notebook computer by described perforate 411 described in first fixed part 31 of described first support 30 was installed by described perforate 311.In addition, described hinge means also can be used on computer housing, server, mobile phone etc. needs in the electronic installation of hinge.