Summary of the invention
For solving the problem, the object of the present invention is to provide a kind of open printer lid after can allow carbon ribbon change mechanism be in the printer double leval jib automatic open-close structure being convenient to replacing state.
The present invention solves the technical scheme that its problem adopts:
A kind of printer double leval jib automatic open-close structure, comprise the upper casing support and the hinged carbon ribbon carriage assembly be installed on upper casing support that are fixed on printer upper cover, described carbon ribbon carriage assembly lower end is formed with the carbon ribbon supply warehouse for installing carbon ribbon supply volume, upper end is formed with the carbon ribbon recovery bin reclaiming volume for installing carbon ribbon, be provided with above described carbon ribbon recovery bin and be convenient to the wealthy mouth that carbon ribbon reclaims volume is installed, also comprise a paper storehouse, described paper storehouse is provided with rotary shaft rack, described upper casing support comprises lower link, one end of described lower link is hinged on rotary shaft rack, the other end is hinged on carbon ribbon carriage assembly, also comprise connecting rod, described rotary shaft rack is provided with a rear link arm, one end of described upper connecting rod is hinged in rear link arm, the other end is hinged on carbon ribbon carriage assembly, described upper connecting rod, lower link forms front link arm between the hinge position on carbon ribbon carriage assembly, described upper connecting rod, lower link, rear link arm, front link arm composition upper casing support opens the decline of rear carbon ribbon carriage assembly front end along rotary shaft rack makes it be in the four-bar linkage structure of replacing state.
Further, described four-bar linkage structure is trapezoidal, and described upper connecting rod, lower link are respectively trapezoidal upper base and go to the bottom, and described front link arm is trapezoidal hypotenuse.
Further, be provided with the lower cover for closed warehouse below described carbon ribbon supply warehouse, described lower cover is hinged on carbon ribbon carriage assembly.
Further, the rear end of described lower cover is hinged on carbon ribbon carriage assembly, also comprise cover connecting rod, one end of described lower cover connecting rod is hinged on the front end of upper casing support, the other end is hinged on the rear end of lower cover, when described carbon ribbon carriage assembly front end declines relative to upper casing support, described upper casing support pulls lower cover to open by lower cover connecting rod and is in replacing state.
Further, described lower cover rod hinge connection is parallel to each other at the hinged diameter of axle of lower cover back-end and the hinged diameter of axle of lower cover back-end and carbon ribbon carriage assembly.
Further, the bottom of described lower cover is provided with through mode sensor.
Further, the emission sensor corresponding with described through mode sensor is provided with bottom the exit in described paper storehouse.
Further, in described carbon ribbon supply warehouse, both sides are respectively equipped with a carbon ribbon connecting axle, in described carbon ribbon recovery bin, both sides are respectively equipped with a carbon ribbon and reclaim axle, also comprise a printhead, described printhead is arranged at the front bottom end of carbon ribbon carriage assembly, described carbon ribbon connecting axle, printhead, carbon ribbon reclaim between axle shaping for rolling up successively through printhead for carbon ribbon supply, and behind carbon ribbon carriage assembly front end, reflexed is recovered to the fold-type carbon ribbon supply recovering mechanism in carbon ribbon recovery volume.
Further, in carbon ribbon recovery bin, wherein the carbon ribbon of side reclaims axle is the first elasticity pressing axis, and the carbon ribbon of opposite side reclaims the first shifting part axle being provided with and being convenient to rotation carbon ribbon recovery volume and rotating.
Correspondingly, in carbon ribbon supply warehouse wherein the carbon ribbon connecting axle of side be the second elasticity pressing axis, opposite side carbon ribbon connecting axle on be provided be convenient to rotate carbon ribbon supply volume rotate the second shifting part.
Further, described upper connecting rod comprises a chute, and described carbon ribbon carriage assembly comprises a projection, and described projection imbeds in described chute and forms upper hinge position between connecting rod and carbon ribbon carriage assembly.
The invention has the beneficial effects as follows: a kind of printer double leval jib automatic open-close structure that the present invention adopts, by the four-bar linkage structure of upper connecting rod, lower link, rear link arm, front link arm composition, upper casing support is made to follow after printer upper cover opens along rotary shaft rack, carbon ribbon carriage assembly front end declines and makes it be in replacing state, user, without the need to additionally opening door and can complete easily installation and the replacing of carbon ribbon, uses very convenient.
Detailed description of the invention
With reference to Fig. 1-Fig. 7, a kind of printer double leval jib automatic open-close structure of the present invention, comprise paper storehouse 2 and follow printer upper cover and open the upper casing support 1 moved up and the carbon ribbon carriage assembly 3 supplying volume 401 and carbon ribbon recovery volume 501 for installing carbon ribbon, described carbon ribbon carriage assembly 3 is hinged in upper casing support 1, can upwards rotate relative to upper casing support 1 or decline, in described paper storehouse 2, label coil paper is installed, the front bottom end of described carbon ribbon carriage assembly 3 is provided with thermal print head 101, the upper-end front of described carbon ribbon carriage assembly 3 is provided with carbon ribbon recovery bin 5, described carbon ribbon carriage assembly 3 lower end is provided with carbon ribbon supply warehouse 4 in the rear of printhead 101, both sides in described carbon ribbon supply warehouse 4 are provided with the carbon ribbon connecting axle 41 for installing carbon ribbon supply volume 401, the both sides of described carbon ribbon recovery bin 5 are provided with the carbon ribbon reclaiming volume 501 for installing carbon ribbon and reclaim axle 51, the upside of described carbon ribbon recovery bin 5 has to be convenient to install the wealthy mouth 52 that carbon ribbon reclaims volume 501, described wealthy mouth 52 extends to front end from the upper end of carbon ribbon recovery bin 5, in L-type, such can being convenient to installs carbon ribbon recovery volume 501.Usual carbon ribbon is reclaimed volume 501 and is connected by carbon ribbon with carbon ribbon supply volume 401, carbon ribbon on carbon ribbon supply volume 401 is after printhead 101 is used, be recovered in carbon ribbon recovery volume 501 and reclaim, carbon ribbon connecting axle 41 of the present invention, printhead 101, carbon ribbon reclaims between axle 51 shaping for supplying volume 401 successively through printhead 101 for carbon ribbon, behind carbon ribbon carriage assembly 3 front end, reflexed is recovered to the fold-type carbon ribbon supply recovering mechanism in carbon ribbon recovery volume 501, be arranged in carbon ribbon supply warehouse 4 by carbon ribbon supply volume 401, then pull carbon ribbon through printhead 101, from carbon ribbon carriage assembly 3 front lower end reflexed, carbon ribbon being reclaimed volume 501 is again arranged on carbon ribbon recovery bin 5, make the shortest path of carbon ribbon, install and change carbon ribbon very convenient, and economy and durability.
After opening to allow printer upper cover, carbon ribbon carriage assembly 3 can be in the state be easily replaced, the present invention is provided with four-bar linkage structure, the described state being convenient to change, can understand like this, general carbon ribbon carriage assembly 3, upper casing support 1, the upper cover of printer is integrally fixed, namely after printer upper cover is opened, carbon ribbon carriage assembly 3 is also followed upper cover and is moved corresponding angle, at this moment carbon ribbon recovery bin 5 points to the back upper place replacing inconvenience of printer, simultaneously due to carbon ribbon recovery bin 5 cover by printer upper cover, generally need to cover on a printer and be provided with corresponding door and open replacing carbon ribbon, so very inconvenient.Carbon ribbon carriage assembly 3 of the present invention is hinged in upper casing support 1, not fix with printer upper cover, when being in the state being convenient to change, described carbon ribbon carriage assembly 3 rotates relative to upper casing support 1 and declines, at this moment the wealthy mouth 52 of carbon ribbon supply warehouse 4 is towards user, changes very convenient, simultaneously without the need to arranging door at upper cover, outward appearance uniformity is very good, uses very convenient.
In order to realize above-mentioned functions, present invention employs four-bar linkage structure, specific as follows, described upper casing support 1 comprises lower link 11, one end of described lower link 11 is hinged on rotary shaft rack 21, the other end is hinged on carbon ribbon carriage assembly 3, also comprise connecting rod 6, described rotary shaft rack 21 is provided with a rear link arm 22, one end of described upper connecting rod 6 is hinged in rear link arm 22, the other end is hinged on carbon ribbon carriage assembly 3, described upper connecting rod 6, lower link 11 forms front link arm 8 between the hinge position on carbon ribbon carriage assembly 3, described upper connecting rod 6, lower link 11, rear link arm 22, front link arm 8 form upper casing support 1 along rotary shaft rack 21 open rear carbon ribbon carriage assembly 3 front end decline make it be in the four-bar linkage structure of replacing state.When upper casing support 1 is opened, because rotary shaft rack 21 is fixed on invariant position in paper storehouse 2, namely rear link arm 22 is motionless, at this moment under the effect of upper connecting rod 6, lower link 11, when upper connecting rod 6, lower link 11 move up, according to the principle of double leval jib, described front link arm 8 leans forward decline, carbon ribbon carriage assembly 3 namely can be made to decline relative to upper casing support 1 mobile, be separated with printer upper cover, and user oriented, change carbon ribbon very convenient.
Particularly, described four-bar linkage structure is trapezoidal, and described upper connecting rod 6, lower link 11 are respectively trapezoidal upper base and go to the bottom, and described front link arm 8 is trapezoidal hypotenuse.This design energy, to increase the angle downwards of carbon ribbon carriage assembly 3 front end, is convenient to user and is changed carbon ribbon.
Further, described upper connecting rod 6 comprises a chute 61, and described carbon ribbon carriage assembly 3 comprises a projection 31, and described projection 31 imbeds in described chute 61 and forms upper hinge position between connecting rod 6 and carbon ribbon carriage assembly 3.In the process of upper casing support 1 folding, described projection 31 is connected on the end of chute 61 all the time, and projection 31 and chute 61 can rotate mutually, form described hinged effect.And after upper casing support 1 is opened, user can upwards stir carbon ribbon carriage assembly 3, at this moment, because projection 31 can move in chute 61, therefore at this moment can move the upper-lower position of carbon ribbon carriage assembly 3 on the basis of not moving connecting rod 6, lower link 11, be easy for installation and maintenance.
The present invention is arranged at the lower end of carbon ribbon carriage assembly 3 due to carbon ribbon supply warehouse 4, although be provided with carbon ribbon connecting axle 41, because the effect carbon ribbon supply volume 401 of gravity easily drops out downwards.At this moment often need the lower cover 42 be provided with below carbon ribbon supply warehouse 4 for closed warehouse, described lower cover 42 is hinged on carbon ribbon carriage assembly 3.Can be opened by the mode arranging buckle, close lower cover 42, but extremely bother, and after theory of the present invention is to open printer upper cover, carbon ribbon carriage assembly 3 is in the state being convenient to change, and if if the lower cover 42 of carbon ribbon supply warehouse 4 still needs manual unlocking, then inconsistent with the uniformity of product of the present invention, therefore further design is needed, after allowing printer upper cover open, the lower cover 42 of carbon ribbon supply warehouse 4 is opened automatically, after printer upper cover is closed, the lower cover 42 of carbon ribbon supply warehouse 4 is closed automatically.
Particularly, the rear end of described lower cover 42 is hinged on carbon ribbon carriage assembly 3, also comprise cover connecting rod 7, one end of described lower cover connecting rod 7 is hinged on the front end of upper casing support 1, the other end is hinged on the rear end of lower cover 42, and the hinged diameter of axle of the hinged diameter of axle and lower cover 42 rear end and carbon ribbon carriage assembly 3 that described lower cover connecting rod 7 is hinged on lower cover 42 rear end is parallel to each other and not on the same axis.Described carbon ribbon carriage assembly 3 is along contrary along the hinged direction of upper casing support 1 front end with the articulated position rotation direction and lower cover connecting rod 7 of lower link 11, upper connecting rod 6.Namely, when printer upper cover is opened, carbon ribbon carriage assembly 3 front end rotates decline, the carbon ribbon supply warehouse 4 being in carbon ribbon carriage assembly 3 rear is then upper mobile, namely the rear end of lower cover 42 also moves up, therefore descend cover connecting rod 7 contrary with carbon ribbon carriage assembly 3 along the hinged direction of upper casing support 1 front end, because the direction of motion is contrary, when described carbon ribbon carriage assembly 3 front end declines relative to upper casing support 1, described upper casing support 1 pulls lower cover 42 by lower cover connecting rod 7, lower cover 42 can be made to open, make it be in replacing state.In like manner, when printer upper cover is closed, described carbon ribbon carriage assembly 3, along being in opposite directions with the articulated position rotation direction and lower cover connecting rod 7 of lower link 11, upper connecting rod 6 along the hinged direction of upper casing support 1 front end, therefore promoting lower cover 42 and closes.Thus achieve the automatic open-close of carbon ribbon supply warehouse 4 lower cover 42.
Particularly, in carbon ribbon recovery bin 5, wherein the carbon ribbon of side reclaims axle 51 is the first elasticity pressing axis 54, and the carbon ribbon of opposite side reclaims the first shifting part 53 axle 51 being provided with and being convenient to rotate the rotation of carbon ribbon recovery volume 501.This design can facilitate user installation carbon ribbon to reclaim volume 501.
Correspondingly, in carbon ribbon supply warehouse 4 wherein the carbon ribbon connecting axle 41 of side be the second elasticity pressing axis, opposite side carbon ribbon connecting axle 41 on be provided be convenient to rotate carbon ribbon supply volume 401 rotate the second shifting part.This design can facilitate user installation carbon ribbon to supply volume 401.
Further, in order to the position detecting current label positions it, described paper storehouse 2 is provided with emission sensor 902 bottom the exit position place of printhead 101, and the bottom of described lower cover 42 is provided with the through mode sensor 901 corresponding with emission sensor 902.Described through mode sensor 901 is preferably disposed on the front end of lower cover 42.Because through mode sensor 901 is arranged on lower cover 42, therefore can not be subject to the impact of carbon ribbon as best one can near printhead 101 simultaneously.
The above, just preferred embodiment of the present invention, the present invention is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present invention with identical means, all should belong to protection scope of the present invention.