A kind of printer double leval jib automatic open-close structure
Technical field
The present invention relates to printer field, particularly a kind of printer double leval jib automatic open-close structure.
Background technology
The printing mechanism of existing bar-code printer, there is provided the label paper printing function in bar-code printer, in label
In the print procedure of paper, the printing carbon dust needed for carbon ribbon supply print head need to be utilized, so that printing shows phase on the label paper
The bar code data and numeral of pass, however, the printing mechanism of existing bar-code printer, because carbon ribbon need to be reclaimed, therefore in the bar shaped
Code printer domestic demand sets carbon ribbon to reclaim axle, but the printing mechanism of existing bar-code printer is matched somebody with somebody because carbon ribbon reclaims between axle and carbon ribbon
For seated position because that need to consider carbon ribbon recovery and label printing path collision problem, and the Position Design that need to dodge makes carbon ribbon and carbon ribbon
The transport path of recovery between centers is elongated, the overall volume of the bar-code printer is become big relatively, except carbon ribbon recovery is dismantled clearly
Reason inconvenience is outer, and makes that the manufacturing cost of the bar-code printer uprises and volume becomes big, reduces the competitiveness of product in market.
Patent No. 200820126073.5 discloses a kind of printing mechanism of bar-code printer, its carbon ribbon supply chamber and
Carbon ribbon recovery room is in the state of reverse configuration, to provide the carbon ribbon of carbon belt shaft after print head carries out bar coded sticker lettering operation
Recovery storage.The utility model is to make the carbon ribbon of bar-code printer and carbon ribbon recovery between centers path be most short, makes the carbon ribbon
Recovery dismounting is more convenient with clearing up, and can reduce the overall volume of the bar-code printer.
But there is still a need for opening carbon ribbon supply chamber and lower cover and the upper lid of carbon ribbon recovery room after the printer opens the lid
The replacing of carbon ribbon is carried out, using being inconvenient.
The content of the invention
To solve the above problems, carbon ribbon can be allowed to change after opening printer lid it is an object of the invention to provide one kind
Mechanism is in the printer double leval jib automatic open-close structure for the state that is conveniently replaceable.
Technical scheme is used by the present invention solves its problem:
A kind of printer double leval jib automatic open-close structure, including it is fixed on the upper casing support built on printer and be hinged installation
In the carbon ribbon carriage assembly on upper casing support, the carbon ribbon carriage assembly lower end is formed with the carbon ribbon for installing carbon ribbon supply roll
Supply warehouse, formed with the carbon ribbon recovery bin for installing carbon ribbon recovery volume, the carbon ribbon recovery bin top, which is provided with, to be easy to pacify for upper end
The wealthy mouth of carbon ribbon recovery volume is filled, in addition to a paper storehouses, the paper storehouses are provided with rotary shaft rack, the upper casing support includes lower company
Bar, one end of the lower link are hinged on rotary shaft rack, and the other end is hinged on carbon ribbon carriage assembly, in addition to upper connecting rod,
A rear link arm is provided with the rotary shaft rack, one end of the upper connecting rod is hinged in rear link arm, and the other end is hinged on
On carbon ribbon carriage assembly, the upper connecting rod, lower link form front link arm between the hinge position on carbon ribbon carriage assembly, described
After upper connecting rod, lower link, rear link arm, front link arm composition upper casing support are opened along rotary shaft rack under carbon ribbon carriage assembly front end
Drop is at the four-bar linkage structure of replacing state.
Further, the four-bar linkage structure is trapezoidal, and the upper connecting rod, lower link are respectively trapezoidal upper bottom and bottom, institute
It is trapezoidal hypotenuse to state front link arm.
Further, the lower cover for closing warehouse is provided with below the carbon ribbon supply warehouse, the lower cover is hinged on carbon ribbon
On carriage assembly.
Further, the rear end of the lower cover is hinged on carbon ribbon carriage assembly, in addition to cover connecting rod once, and the lower cover connects
One end of bar is hinged on the front end of upper casing support, and the other end is hinged on the rear end of lower cover, when the carbon ribbon carriage assembly front end
When declining relative to upper casing support, the upper casing support pulls lower cover to open and is in replacing state by lower cover connecting rod.
Further, the lower cover rod hinge connection is in the be hinged diameter of axle of lower cover back-end and lower cover back-end and carbon ribbon carriage assembly
The be hinged diameter of axle is parallel to each other.
Further, the bottom of the lower cover is provided with through mode sensor.
Further, the exit bottom of the paper storehouses is provided with the transmitting sensing corresponding with the through mode sensor
Device.
Further, both sides are respectively equipped with a carbon ribbon connecting shaft in the carbon ribbon supply warehouse, both sides in the carbon ribbon recovery bin
Carbon ribbon recovery axle is respectively equipped with, in addition to a printhead, the printhead are arranged at the front bottom end of carbon ribbon carriage assembly, institute
State and be molded between carbon ribbon connecting shaft, printhead, carbon ribbon recovery axle for passing through printhead, carbon ribbon bracket successively for carbon ribbon supply roll
Reflexed is recovered to the fold-type carbon ribbon supply recovering mechanism in carbon ribbon recovery volume behind component front end.
Further, the carbon ribbon recovery axle of wherein side is the first elastic pressing axis in carbon ribbon recovery bin, the carbon ribbon of opposite side
It is provided with recovery axle and is easy to rotate the first shifting part that carbon ribbon recovery volume rotates.
Correspondingly, wherein the carbon ribbon connecting shaft of side is the second elastic pressing axis, the carbon ribbon of opposite side in carbon ribbon supply warehouse
It is provided with connecting shaft and is easy to rotate the second shifting part that carbon ribbon supply roll rotates.
Further, the upper connecting rod includes a chute, and the carbon ribbon carriage assembly includes a projection, and the projection imbeds institute
State the hinge position formed in chute between upper connecting rod and carbon ribbon carriage assembly.
The beneficial effects of the invention are as follows:A kind of printer double leval jib automatic open-close structure that the present invention uses, passes through upper company
Bar, lower link, rear link arm, the four-bar linkage structure of front link arm composition, make upper casing support be followed along rotary shaft rack on printer
After lid is opened, carbon ribbon carriage assembly front end declines the replacing state that is at, and user in extra door of opening without that can facilitate
The installation and replacing of carbon ribbon are completed in ground, and use is very convenient.
Brief description of the drawings
The invention will be further described with example below in conjunction with the accompanying drawings.
Fig. 1 is the side view of printer double leval jib automatic open-close structure of the present invention;
Fig. 2 is the top view of printer double leval jib automatic open-close structure of the present invention;
Fig. 3 is Fig. 2A-A sectional view;
Fig. 4 is the sectional view after being covered in Fig. 3 openings;
Fig. 5, Fig. 6 are the three-dimensional views of uncapping of printer double leval jib automatic open-close structure of the present invention;
Fig. 7 is the structure decomposition figure of the present invention.
Embodiment
Reference picture 1- Fig. 7, a kind of printer double leval jib automatic open-close structure of the invention, including paper storehouses 2 and follow printing
Lid opens the upper casing support 1 moved up and the carbon ribbon bracket for installing carbon ribbon supply roll 401 and carbon ribbon recovery volume 501 on machine
Component 3, the carbon ribbon carriage assembly 3 are hinged in upper casing support 1, can be rotated up or declined relative to upper casing support 1, described
Label coil paper is installed, the front bottom end of the carbon ribbon carriage assembly 3 is provided with thermal print head 101, the carbon in paper storehouses 2
The upper-end front of belt bracket component 3 is provided with carbon ribbon recovery bin 5, and the lower end of carbon ribbon carriage assembly 3 is in the rear of printhead 101
It is provided with carbon ribbon supply warehouse 4, the carbon ribbon that the both sides in the carbon ribbon supply warehouse 4 are provided with for installing carbon ribbon supply roll 401 connects
Spindle 41, the both sides of the carbon ribbon recovery bin 5 are provided with reclaims axle 51, the carbon for installing the carbon ribbon of carbon ribbon recovery volume 501
Upside with recovery bin 5 is provided with the wealthy mouth 52 for being easily installed carbon ribbon recovery volume 501, and the wealthy mouth 52 is from the upper of carbon ribbon recovery bin 5
End extends to front end, L-shaped, can so be easily installed carbon ribbon recovery volume 501.Usual carbon ribbon recovery volume 501 and carbon ribbon supply roll
401 are connected by carbon ribbon, and the carbon ribbon in carbon ribbon supply roll 401 is recovered to carbon ribbon recovery after printhead 101 is by use
Reclaimed in volume 501, be molded between carbon ribbon connecting shaft 41 of the present invention, printhead 101, carbon ribbon recovery axle 51 for supplying carbon
Band supply roll 401 pass through printhead 101 successively, behind the front end of carbon ribbon carriage assembly 3 reflexed be recovered to carbon ribbon recovery roll up it is anti-in 501
Folding carbon ribbon supplies recovering mechanism, i.e., carbon ribbon supply roll 401 is arranged in carbon ribbon supply warehouse 4, then pulls carbon ribbon by beating
Print first 101, then be arranged on from the preceding lower end reflexed of carbon ribbon carriage assembly 3 by carbon ribbon recovery volume 501 in carbon ribbon recovery bin 5, make carbon ribbon
Shortest path, installation and very convenient, and economy and durability of changing carbon ribbon.
In order to allow on printer after lid is opened, carbon ribbon carriage assembly 3 can be in the state being easily replaced, present invention setting
Four-bar linkage structure, the state being conveniently replaceable, it will be understood that, general carbon ribbon carriage assembly 3, upper casing support 1, printing
The upper lid of machine is that one is fixed, i.e., after lid is opened on printer, carbon ribbon carriage assembly 3 also follows lid mobile corresponding
Angle, inconvenience is changed in the back upper place of the at this moment sensing of carbon ribbon recovery bin 5 printer, simultaneously because carbon ribbon recovery bin 5 is by printer
Upper lid is covered, and is generally required lid on a printer and is provided with corresponding door opening replacing carbon ribbon, is so inconvenient.This hair
Bright carbon ribbon carriage assembly 3 is hinged in upper casing support 1, is not fixed with being covered on printer, when in the state being conveniently replaceable
When, the carbon ribbon carriage assembly 3 rotates relative to upper casing support 1 to be declined, and at this moment the wealthy mouth 52 of carbon ribbon supply warehouse 4 is towards use
Person, replacing is very convenient, while without setting door in upper lid, appearance consistency is very good, and use is very convenient.
It is specific as follows present invention employs four-bar linkage structure in order to realize above-mentioned function, under the upper casing support 1 includes
Connecting rod 11, one end of the lower link 11 are hinged on rotary shaft rack 21, and the other end is hinged on carbon ribbon carriage assembly 3, is also wrapped
Upper connecting rod 6 is included, a rear link arm 22 is provided with the rotary shaft rack 21, one end of the upper connecting rod 6 is hinged on rear link arm
On 22, the other end is hinged on carbon ribbon carriage assembly 3, and the upper connecting rod 6, lower link 11 are be hinged on carbon ribbon carriage assembly 3
Front link arm 8 is formed between position, the upper connecting rod 6, lower link 11, rear link arm 22, front link arm 8 form the edge of upper casing support 1
The front end of carbon ribbon carriage assembly 3 declines the four-bar linkage structure for being at replacing state after rotary shaft rack 21 is opened.When upper casing support 1
During opening, because rotary shaft rack 21 is fixed on, position in paper storehouses 2 is constant, i.e., rear link arm 22 is motionless, at this moment upper connecting rod 6, under
In the presence of connecting rod 11, when upper connecting rod 6, lower link 11 move up, according to the principle of double leval jib, before the front link arm 8
Incline decline, you can move so that carbon ribbon carriage assembly 3 declines relative to upper casing support 1, separated with lid on printer, and towards with
Family, it is very convenient to change carbon ribbon.
Specifically, the four-bar linkage structure is trapezoidal, the upper connecting rod 6, lower link 11 respectively trapezoidal upper bottom and bottom,
The front link arm 8 is trapezoidal hypotenuse.The design can be easy to use to increase the angle downwards of the front end of carbon ribbon carriage assembly 3
Change carbon ribbon in family.
Further, the upper connecting rod 6 includes a chute 61, and the carbon ribbon carriage assembly 3 includes a projection 31, the projection
31 imbed the hinge position formed in the chute 61 between upper connecting rod 6 and carbon ribbon carriage assembly 3.In the mistake of the folding of upper casing support 1
Cheng Zhong, the projection 31 are connected on the end of chute 61 all the time, and projection 31 can be rotated mutually with chute 61, form the hinge
Connect effect.And after the opening of upper casing support 1, user can dial up carbon ribbon carriage assembly 3, at this moment, because projection 31 can be
Moved in chute 61, therefore at this moment can be on the basis of upper connecting rod 6, lower link 11 is not moved to the upper of carbon ribbon carriage assembly 3
Lower position moves, and is easy for installation and maintenance.
The present invention is because carbon ribbon supply warehouse 4 is arranged at the lower end of carbon ribbon carriage assembly 3, although being provided with carbon ribbon connecting shaft
41, but because the effect carbon ribbon supply roll 401 of gravity easily drops out downwards.At this moment generally require below carbon ribbon supply warehouse 4
The lower cover 42 for closing warehouse is provided with, the lower cover 42 is hinged on carbon ribbon carriage assembly 3.Can be by setting buckle
Mode is opened, closes lower cover 42, but cumbersome, and the theory of the present invention is to open on printer after lid, carbon ribbon bracket
Component 3 is in the state that is conveniently replaceable, if and if the lower cover 42 of carbon ribbon supply warehouse 4 there is still a need for manual unlocking, with the present invention
The uniformity of product is inconsistent, it is therefore desirable to further design, allows on printer after lid is opened, the lower cover of carbon ribbon supply warehouse 4
42 are automatically opened up, and after lid is closed on printer, the lower cover 42 of carbon ribbon supply warehouse 4 is closed automatically.
Specifically, the rear end of the lower cover 42 is hinged on carbon ribbon carriage assembly 3, in addition to cover connecting rod 7 once, under described
One end of cover connecting rod 7 is hinged on the front end of upper casing support 1, and the other end is hinged on the rear end of lower cover 42, and the lower cover connecting rod 7 is cut with scissors
The be hinged rear end of the diameter of axle and lower cover 42 and the be hinged diameter of axle of carbon ribbon carriage assembly 3 for being connected on the rear end of lower cover 42 are parallel to each other without same
On one axis.The carbon ribbon carriage assembly 3 is along articulated position rotation direction and the lower edge of cover connecting rod 7 with lower link 11, upper connecting rod 6
The front end of upper casing support 1 it is be hinged in opposite direction.That is, when opening is covered on printer, the front end of carbon ribbon carriage assembly 3 rotates down down
Drop, and the then upper movement of the carbon ribbon supply warehouse 4 in the rear of carbon ribbon carriage assembly 3, the i.e. rear end of lower cover 42 also move up, therefore
Be hinged direction of the lower cover connecting rod 7 along the front end of upper casing support 1 is with carbon ribbon carriage assembly 3 conversely, because the direction of motion is on the contrary, when described
When the front end of carbon ribbon carriage assembly 3 declines relative to upper casing support 1, the upper casing support 1 pulls lower cover 42 by lower cover connecting rod 7,
It can open lower cover 42, be at replacing state.Similarly, when covering closing on printer, the edge of carbon ribbon carriage assembly 3
Articulated position rotation direction and be hinged direction of the lower cover connecting rod 7 along the front end of upper casing support 1 with lower link 11, upper connecting rod 6 are phases
To, therefore promote lower cover 42 to close.It is achieved thereby that the automatic open-close of the lower cover 42 of carbon ribbon supply warehouse 4.
Specifically, the carbon ribbon recovery axle 51 of wherein side is the first elastic pressing axis 54 in carbon ribbon recovery bin 5, opposite side
It is provided with carbon ribbon recovery axle 51 and is easy to rotate the first shifting part 53 that carbon ribbon recovery volume 501 rotates.The design can facilitate user
Carbon ribbon recovery volume 501 is installed.
Correspondingly, wherein the carbon ribbon connecting shaft 41 of side is the second elastic pressing axis, the carbon of opposite side in carbon ribbon supply warehouse 4
It is provided with band connection axle 41 and is easy to rotate the second shifting part that carbon ribbon supply roll 401 rotates.The design can facilitate user installation
Carbon ribbon supply roll 401.
Further, it is positioned in order to detect the position of current label, the going out close to printhead 101 of paper storehouses 2
Mouthful opening position bottom is provided with emission sensor 902, and the bottom of the lower cover 42 is provided with corresponding with emission sensor 902
Through mode sensor 901.The through mode sensor 901 is preferably disposed on the front end of lower cover 42.Due to through mode sensor 901
It is arranged on lower cover 42, therefore will not can be influenceed simultaneously by carbon ribbon close to printhead 101 as best one can.
It is described above, simply presently preferred embodiments of the present invention, the invention is not limited in above-mentioned embodiment, as long as
It reaches the technique effect of the present invention with identical means, should all belong to protection scope of the present invention.