CN104339875A - Printer and airborne data printer - Google Patents

Abstract

The invention discloses a printer and an airborne data printer. The printer comprises a shell and a power driving module for blocking the back end of the shell and supplying a driving power to a printer base, a printing head assembly and a control module, wherein the printer base is arranged at the front end of the shell in a blocking way, and the printing head assembly is fixedly arranged in the shell and positioned below the bottom of the printer base, so that a rubber roller on the printer base is pressed on the top surface of a printing head on the printing head assembly; the control module is arranged at the top of the shell in a blocking way and is used for controlling the printer base and the printing head assembly. The printer has better performance retainability.

Description

Printer and aircraft printer

Technical field

The present invention relates to printer field, particularly a kind of printer and aircraft printer.

Background technology

Along with the remarkable lifting of Chinese overall national strength, socioeconomic fast development, CAAC's transport market presents huge demand.2012, Chinese total gross traffic than 10 years before China increase 3 times, but also there is a big difference compared with America and Europe.According to Chinese Civil Aviation development plan, the area at county level of 95% and the population of 95% be allowed to enjoy civil aviaton's service.According to prediction, following 20 years, only Chinese market just needed newly to promote the various civil aircraft of 0 frame, and total value is up to more than 5,600 hundred million dollars.Aircraft manufacturing for many years relies on offshore company, a short slab concerning country, so aircraft components production domesticization is to the integral level of national manufacturing capacity and energy level, this not only has important economy, political significance, also has special National Security Strategy meaning.

Airline carriers of passengers domestic is at present probably about 2000 framves, and wherein the airliner of Boeing and Air Passenger series occupies about 90%, and wherein aircraft printer is all designed by offshore company to produce, and domesticly produces without company.And printer is as the indispensable on-board components of modern civil aircraft (as Boeing, Air Passenger etc.), can communicate with reporting system or flight data recording system with air communications address, print relevant flight information.The product of this base part mainly eighties of last century eighties, because parts are of the remote past, this part reliability reduces, and fault rate is high; Meanwhile, due to technology restriction at that time, cause printer circuitry and complex structural designs, very large inconvenience is brought for the detection of printer and maintenance.

Summary of the invention

One of embodiment of the present invention object is to provide a kind of printer and aircraft printer.The property retention of this printer is better.

The printer that the embodiment of the present invention provides, comprising:

Housing,

Electric power driving module, shutoff in the rear end of described housing, for providing driving power to described printer support, print head assembly and control module;

Described printer support, shutoff in the front end of described housing,

Described print head assembly, is fixed in described housing, and is positioned at the below bottom described printer support, makes the rubber roll on described printer support be pressed in printhead end face on described print head assembly,

Described control module, shutoff at the top of described housing, for controlling described printer support and print head assembly.

Alternatively, described printer support comprises:

Bearing carrier, by horizontal bearing frame and be positioned at the first at right angle setting frame at two ends, described horizontal bearing frame left and right, the second at right angle setting is configured to;

Motor, is fixed on described horizontal bearing frame;

Moving runner assembly, comprises driving wheel and driven pulley, and wherein said driving wheel is connected with the rotating shaft of described motor, and described driving wheel is connected by tightening belt with described driven pulley;

Rubber roll, is connected with the rotating shaft of described driven pulley, is arranged on the top of the printhead of described printer, for described printhead paper feeding;

Tension assembly, comprise: slide block, guide rod and spring, described slide block and spring are spacing in horizontal groove side by side, described horizontal groove be positioned at be arranged on described first at right angle setting frame outer side elevation on, described spring is in confined state all the time, to the tensioned active force of described slide block, run through before and after described guide rod and stretch into described horizontal groove, and run through described spring and slide block, when described spring is compressed or is stretched, described slide block can move forward and backward along described guide rod, described slide block is also provided with a regulating wheel, described tightening belt also walks around described regulating wheel, under the tension force effect of described spring to described slide block, described tightening belt keeps tensioning state,

Reel assembly, be fixed between described first at right angle setting frame, the second at right angle setting frame, be suspended on above described horizontal bearing frame horizontally, for installing printing paper roll, the below of described printhead is transferred into through described rubber roll, for described printhead prints from described reel assembly printing paper out.

Alternatively, described first at right angle setting frame is also provided with the location division, hole portion that left and right is run through,

The bearing of described motor runs through location division, portion, described hole, and the periphery of described bearing contacts with the inner circumferential of location division, portion, described hole.

Alternatively, described first at right angle setting frame is also provided with about four positioning screw holes run through, described hole portion position point is in the center of positioning screw hole described in four;

Run through the screw of the bearing face of positioning screw hole described in four and described motor by four bolts respectively, described motor is fixed on described first at right angle setting frame.

Alternatively, the degree of depth of described positioning screw hole is greater than the degree of depth of location division, portion, described hole.

Alternatively, described first at right angle setting frame, the second at right angle setting frame are also provided with the just right rubber roll locating hole of level, each rubber roll locating hole is fixed with the first rubber roll axle bed, the second rubber roll axle bed respectively;

The rotating shaft of described driven pulley runs through the axis hole of described first rubber roll axle bed, can rotate along the axis hole of described first rubber roll axle bed;

The rotating shaft of described rubber roll runs through the axis hole of described second rubber roll axle bed, can rotate along the axis hole of described second rubber roll axle bed.

Alternatively, the installation site of described reel assembly is higher than described rubber roll.

Alternatively, the installation site of described reel assembly is positioned at the rear end of described rubber roll.

Alternatively, also comprise: guide plate, be fixed between described first at right angle setting frame, the second at right angle setting frame, and installation site is between described reel assembly and described rubber roll, walks around described guide plate from described reel assembly described printing paper out and arrive described rubber roll.

Alternatively, also comprise:

Indicator fastener, is arranged on inner side relative with described first at right angle setting frame on described second at right angle setting frame,

Indicator, comprises the first arm, the second arm that mutually have angle,

Described first arm is fixed on the installing plate of described indicator fastener, this installing plate stretches out the outside at described second at right angle setting frame, described second arm can rotate in the junction of the lateral surface of described second at right angle setting frame along described first arm and described indicator fastener, spring is connected with between described first arm and second, described spring is in confined state, under the tension force of described spring, the end of described second arm is against outside the printing paper roll on described reel assembly all the time, the active force tensioned to described printing paper roll, described second arm is used to indicate the current paper amount of described printing paper roll.

11, printer according to claim 2, is characterized in that,

Described reel assembly comprises:

Coil paper baffle plate,

First central shaft, first end stretches out from the hole portion of described coil paper baffle plate, and can rotate freely along in the portion of described hole;

Central connector, the second end of first end and described first central shaft spins;

Buckle part, described buckle part is fixed on described first at right angle setting frame, described buckle is provided with two and stretches out block, a gap is separated with between stretching out described in two between block, the end of the first end of described first central shaft is spacing in described gap, and a pin is applied in described in two and stretches out between block and described first central shaft;

Spring, one end is connected with the second end of described central connector, and the other end is conflicted in the location recess being fixed on the location-plate inside described second at right angle setting frame;

Outer shaft, is enclosed within and forms outside central shaft by described first central shaft, central connector and spring, and described periphery can rotate freely along described interior axle.

12, printer according to claim 11, is characterized in that,

Described outer shaft is steel axle.

13, printer according to claim 11, is characterized in that,

Described location-plate is formed from steel.

14, printer according to claim 11, is characterized in that,

The external diameter of the interlude of described outer shaft is less than the external diameter of two ends of described outer shaft, and the external diameter of two ends is identical.

15, printer according to claim 2, is characterized in that,

Described horizontal bearing frame, the first at right angle setting frame, the integrated shaping component of the second at right angle setting frame.

16, printer according to claim 1, is characterized in that, described print head assembly comprises:

Adjustable plate, is provided with the groove of a level at the end face of described adjustable plate,

Spring leaf, described spring leaf is bent into one at mid point and is greater than the angle that 0 degree is less than 180 degree, and described spring leaf is spacing in described groove, and two horizontal end are inconsistent with the both ends of described groove respectively,

Installing plate, the front end of described installing plate and the front end chain connection of described adjustable plate;

Printhead, is fixed on the top of described installing plate,

The middle part of described spring leaf is fixedly connected between described printhead and described installing plate, and described spring leaf is in confined state all the time,

When described printhead prints, described printhead moves downward under downward active force, described installing plate overturns predetermined angle along the hinge connection portion between described installing plate and described adjustable plate downwards in vertical plane, described spring leaf is compressed to predetermined extent, and described printhead printing paper thereunder prints;

When to described printhead paper feeding, under the elastic force effect of described spring leaf, described installing plate upwards overturns predetermined angle along described hinge connection portion in vertical plane, and described printhead moves upward, and described spring leaf recoils to predetermined extent.

17, printer according to claim 16, is characterized in that,

The first projection, the second projection that raise up is provided with in one end of the front end of described adjustable plate, the first hole portion just right about described first projection, the second projection are respectively arranged with level, the 3rd projection, the 4th projection that raise up is provided with, the second hole portion just right about described 3rd projection, the 4th projection are respectively arranged with level at the other end of the front end of described adjustable plate;

The 5th forwards protruding projection is provided with in one end of the front end of described installing plate, the 3rd hole portion is provided with in described 5th projection, the other end of the front end of described installing plate is provided with the 6th forwards protruding projection, in described 6th projection, is provided with the 4th hole portion;

The front end of described installing plate and the front end chain connection of described adjustable plate, specifically:

Described 5th projection is embedded in the gap between described first projection and the second projection, and inconsistent with the apparent surface of described first projection, the second projection, and the first rotating shaft runs through described first hole portion facing each other, the 3rd hole portion,

Described 6th projection is embedded in the gap between described 3rd projection and the 4th projection, and inconsistent with the apparent surface of described 3rd projection, the 4th projection, and the second rotating shaft runs through described second hole portion facing each other, the 4th hole portion,

Under the first rotating shaft, the second rotating shaft are fixed, described installing plate is fixed on the end face of described adjustable plate, and described installing plate can overturn in vertical plane along described first rotating shaft, the second rotating shaft, and described first rotating shaft, the second rotating shaft are on the same line.

18, printer according to claim 16, is characterized in that,

Also be provided with at the rear end face of described installing plate: a protruding backward horizontal projection location division,

On described adjustable plate, the opposing perpendicular planes being positioned at described installing plate rear end face is also provided with: recess recessed backward,

Described recess width is on the vertical plane greater than described protruding location division height on the vertical plane, and described protruding location division only can move up and down in described recess.

19, printer according to claim 16, is characterized in that,

Described adjustable plate is also provided with run through vertically the 5th hole portion, the 6th hole portion,

On described installing plate, just position is also provided with vertically with described 5th hole portion, the 6th hole portion: two screws run through vertically,

In the bottom surface of described printhead, just two screws run through vertically are also provided with to position vertically with the 5th hole portion, the 6th hole portion,

First screw, the second screw run through the first hole portion, the second hole portion of described adjustable plate respectively, and fixedly spin with the screw on described installing plate and printhead respectively,

The internal diameter in described 5th hole portion, the 6th hole portion is greater than the internal diameter of the screw on described installing plate and printhead, when described installing plate overturns in vertical plane along described hinge connection portion, the freely-movable in described first hole portion, the second hole portion of described first screw, the second screw.

20, printer according to claim 16, is characterized in that,

Also be provided with in the front end of described installing plate: the two vertical protrusion blocks that level is relative,

Protruding block described in two is all higher than described printhead, and the printing paper transmitted below described printhead is spacing described in two between protruding block.

21, printer according to claim 16, is characterized in that,

The described angle of described spring leaf midpoint is: obtuse angle.

22, printer according to claim 21, is characterized in that,

Described angle is: 150 degree.

23, printer according to claim 16, is characterized in that,

In two horizontal end of described spring leaf, two horizontal end spring fragments upwards bend relative to the spring leaf end near described angle, and the bottom surface of bending place being positioned at described spring leaf two horizontal end contacts with the bottom surface of the described groove on described adjustable plate.

24, printer according to claim 16, is characterized in that,

The angle that described in two, the bottom surface of horizontal end spring fragment and described groove is formed is: acute angle.

25, printer according to claim 16, is characterized in that,

Described adjustable plate is made up of the back shroud of mutual integrated molding and front mounting plate,

Described groove is arranged on the end face of described front mounting plate, and described installing plate is fixed on described front mounting plate,

Described back shroud is positioned at the rear end of described front mounting plate, and in the bulge-structure of " n " font, the end face of described back shroud is higher than the end face of described front end-plate.

26, printer according to claim 1, is characterized in that, described power drives assembly comprises:

Adapter assembly, is provided with the plant-grid connection interface and data-interface that are connected with outside;

Frame, described frame comprises riser, described frame is fixed on the front end of described adapter assembly by the back shroud being fixed on described riser front end, the first side plate, the second side plate is extended with along the front end of described riser respectively at the right and left of described riser, described first side plate, the second side plate are perpendicular with described riser respectively, are also provided with horizontal fixed part at the top margin of described first side plate, the second side plate;

Power supply circuit board, described power panel is provided with the power circuit for powering to control circuit and the drive circuit board of described printer, described power supply circuit board is fixed on the rear end face of described riser, and left and right is limited between described first side plate, the second side plate;

Backplate, the relative rear bending in top of described backplate, when the top of described backplate is fixedly connected with by the vertical screw run through with horizontal fixed part described in two in described frame, between described backplate and described frame, be formed with the space of the accommodating described power supply circuit board of an energy, described power supply circuit board is positioned at described space;

Described drive circuit board, for driving the motor of printer, is fixed on the rear end of described backplate.

27, printer according to claim 26, is characterized in that,

The left and right sides of described backplate is also respectively arranged with along the first side of described backplate rear end face bending, second side,

Respectively by the screw run through about level, the first side of the first side of described backplate with described frame is fixedly connected with, the second side of the second side of described backplate with described frame is fixedly connected with.

28, printer according to claim 26, is characterized in that,

First side plate, the second side plate of described frame are respectively arranged with hollow out, for observing the observation window of described power supply circuit board.

29, printer according to claim 26, is characterized in that,

On described backplate near described tip position be also provided with hollow out, for observing the observation window of described power supply circuit board.

30, printer according to claim 26, is characterized in that,

In the rear cover plate is also provided with hollow out, for observing the observation window of described power supply circuit board.

31, printer according to claim 26, is characterized in that,

The back edge of the first side plate of described frame, the second side plate is also respectively arranged with relatively described first side plate, the first bending edge, the second bending edge that the second side plate inwardly bends relatively,

Described first bending edge, the second bending edge are connected with described drive circuit plate bolt respectively by the pre-and post perforative screw of level, and described drive circuit board is limited between backplate and described first bending edge, the second bending edge.

32, printer according to claim 31, is characterized in that,

Described first bending edge, between the second bending edge and the screw connection portion position of described drive circuit board between be separated with spring washer.

33, according to arbitrary described printer of claims 1 to 32, it is characterized in that,

Described printer is aircraft printer.

Therefore the printer arrangement of the present embodiment adopts modularized design, its compact conformation, easy to assembly, be easy to debugging and maintenance, be specially adapted to aircraft printer.

Accompanying drawing explanation

Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a application's part, does not form inappropriate limitation of the present invention, in the accompanying drawings:

The assembling detonation configuration schematic diagram of a kind of printer that Fig. 1 provides for the embodiment of the present invention 1;

Fig. 2 is the structural representation of printer shown in the embodiment of the present invention 1 Fig. 1;

The assembling detonation configuration schematic diagram of a kind of printer support 3 that Fig. 3 provides for the embodiment of the present invention 2;

Fig. 4 is the structural representation of printer support 3 shown in the embodiment of the present invention 2 Fig. 3;

Fig. 5 is the assembling detonation configuration schematic diagram of reel assembly 600 in the embodiment of the present invention 2 Fig. 3;

The assembly structure explosive view of a kind of print head assembly 4 that Fig. 6 provides for the embodiment of the present invention 3;

Fig. 7 is the perspective view of print head assembly 4 shown in the embodiment of the present invention 3 Fig. 6.

A kind of assembly structure explosive view being applicable to the power drives assembly 2 of printer that Fig. 8 provides for the embodiment of the present invention 4;

Fig. 9 is the perspective view of power drives assembly 2 shown in the embodiment of the present invention 4 Fig. 8.

Reference numeral:

1: housing; 2: power drives assembly; 3: printer support;

4: print head assembly; 5: control module; 6: spaced-apart guard plates;

10: bearing carrier; 11: the first at right angle setting framves; 12: horizontal groove;

13: location division, hole portion; 14: positioning screw hole; 15: rubber roll locating hole;

16: the second at right angle setting framves; 17: location-plate; 18 horizontal bearing framves;

19: motor; 20: bearing; 21: driving wheel;

22: driven pulley; 23: rotating shaft; 24: tightening belt;

25: rubber roll; 26: rubber roll axle bed; 27: slide block;

28: guide rod; 29: spring; 30: reel assembly;

31: coil paper baffle plate; 32: the first central shafts; 33: central connector;

51,52: stretch out block; 53: pin; 34 buckle parts;

35: spring; 36: outer shaft; 37: bolt;

38: indicator fastener; 39: installing plate; 40: indicator;

41: the first arms; 42: the second arms; 43: spring;

44: guide plate; 45: baffle plate; 46: paper knife;

47: bracing wire tensioning spring; 48: sensor installing plate; 49: front shroud;

50: handle;

101: adjustable plate; 1011 grooves; 1012: the first projections;

1013: the second projections; 1014: the first gaps; 1015: the first holes portion;

1016: the three projections; 1017: the four projections; 1018: the second gaps;

1019: the second holes portion; 10110: recess; 10111 the 5th hole portions;

10112: the six holes portion; 10113: back shroud; 10114 front end-plates;

102: spring leaf; 1021: horizontal end spring fragment;

1022: relatively near the spring section of angle; 103: installing plate;

1030: screw; 1031: the five projections; 1032: the three holes portion;

1033: the six projections, 1034: the four hole portions; 1035: screw;

1036,1037: vertical protrusion block; 104: printhead;

1041: hole; 1051: screw; 1052: the first screws;

1053: the second screws; 1061: the first rotating shafts; 1062 second rotating shafts;

4101: adapter assembly; 102: back shroud; 41021: screw hole column;

41022: observation window; 4103: frame; 41031: riser;

41032: the first side plates; 41033: the second side plates; 41034,41035: observation window;

41036: the first bending edges; 41037: the second bending edges; 4104: power circuit;

4105: backplate; 41051: first side; 41052: second side;

41053: observation window; 4106: drive circuit board.

Detailed description of the invention

Describe connection accompanying drawing and specific embodiment in detail the present invention below, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.

Embodiment 1:

Shown in Fig. 1,2, the printer that the present embodiment provides, mainly comprises: housing 1, power drives assembly 2, printer support 3, print head assembly 4, control module 5.Wherein annexation and operation principle as follows:

Housing 1 as the shell of the present embodiment printer, for each parts of accommodating printer.

Wherein power drives assembly 2 is contained in the rearward end of housing 1, power drives assembly 2 adopts modularized design, can be got off by its integral demounting easily from the rear end of housing 1, power drives assembly 2 provides driving power for printer support 3, print head assembly 4 and control module 5.Wherein further structure and operation principle are shown in the record of embodiment 4 to power drives assembly 2 in detail.

Printer support 3 is contained in the front end of housing 1, and it adopts modularized design, can be got off by its integral demounting easily from the front end of housing 1.Printer support 3, as the major impetus device of printer, drives printhead and realizes printing paper transmission.Wherein further structure and operation principle are shown in the record of embodiment 2 to printer support 3 in detail.

Be interposed between spaced-apart guard plates 6 between printer seat 3 and power drives assembly 2.

Print head assembly 4 is fixed in housing 1, and is positioned at the below bottom printer support 3, makes the rubber roll on printer support 3 be pressed in printhead end face on print head assembly 4.Print head assembly 4 for printing under the control of printer support 3.Wherein further structure and operation principle are shown in the record of embodiment 3 to print head assembly 4 in detail.

Control module 5 is contained in the top of housing 1, works for controlling printer support 3.

Therefore the printer arrangement of the present embodiment adopts modularized design, its compact conformation, easy to assembly, be easy to debugging and maintenance, be specially adapted to aircraft printer.

embodiment 2:

Shown in Fig. 3,4, the printer support 3 that the present embodiment provides, mainly comprises: bearing carrier 10, motor 19, moving runner assembly, rubber roll 25, tension assembly and reel assembly 30.Its annexation and operation principle as follows:

Bearing carrier 10 is as the main load carrier of the critical piece of this printer pedestal, and it is made up of horizontal bearing frame 18, first at right angle setting frame 11 and the second at right angle setting frame 16.First at right angle setting frame 11 and the second at right angle setting frame 16 lay respectively at the right and left of horizontal bearing frame 18.

Motor 19 rotates for driving the rubber roll 25 for transmitting printing paper to printhead, and this motor 19 is fixed on the end face of horizontal bearing frame 18.

Moving runner assembly comprises driving wheel 21 and driven pulley 22, wherein driving wheel 21 and the mutual axle of motor 19 are connected, driving wheel 21 is connected by tightening belt 24 with driven pulley 22, rubber roll 25 is pressed on the top of the printhead 104 of print head assembly 4, printing paper is transmitted for the below to printhead 104, rubber roll 25 and the mutual axle of driven pulley 22 are connected, under the driving of motor 19, motor 19 drives driving wheel 21 to rotate, driving wheel 21 drives driven pulley 22 to rotate by tightening belt 24, and driven pulley 22 drives the rubber roll 25 be connected with its axle to rotate.

Tension assembly is mainly used in preventing tightening belt 24 from loosening and affecting the power transmission of driving wheel 21 to driven pulley 22, and the tension assembly of the present embodiment mainly comprises: slide block 501, guide rod 28 and spring 29.

A horizontal groove extended along the longitudinal direction 12 is also provided with at the outer side elevation of the first at right angle setting frame 11 of the present embodiment bearing carrier 10, this horizontal groove 12 is recessed to the second at right angle setting frame 16 direction, when mounted, first spring 29 and slide block 501 are one in front and one in back inserted respectively in this horizontal groove 12, make it side by side, and spring 29 is in predetermined confined state all the time in this horizontal groove 12, then guide rod 28 is penetrated this horizontal groove 12 from rear end, and run through spring 29 and slide block 501 respectively, tighten this guide rod 28, can spring 29 and slide block 501 be all fixed in horizontal groove 12, and spring 29 and slide block 501 only can be seesawed in horizontal groove 12.

Also being provided with one at slide block 501 facade be positioned at outside the first at right angle setting frame 11 can the regulating wheel 5011 of rotation, make the regulating wheel 5011 also walked around around the tightening belt 24 between driven pulley 22 and driven pulley 22 on slide block 501, like this, under the tension force effect of spring 29 pairs of slide blocks 501, regulating wheel 5011 has the active force stretched out all the time to belt, tightening belt 24 remains tensioning state, thus guarantee the power transmission between driving wheel 21 to driven pulley 22, guarantee the performance steadiness of actuating unit.

Reel assembly 30 puts printing paper for volume, it is fixed between the first at right angle setting frame 11, second at right angle setting frame 16, be suspended on the top of horizontal bearing frame 18 horizontally, when printed, twist in printing paper on reel assembly 30 from reel assembly 30 out, through the rubber roll 25 be pressed on printhead 104, then print head assembly 4 is transferred into, specifically enter the below of printhead 104 when printing, printhead carries out printing on the printing paper below it, and printing paper forms writing.

Therefore, adopt the technical scheme of the present embodiment, due to the present embodiment on the tightening belt 24 between driving wheel 21 and driven pulley 22 also further around the regulating wheel 5011 on tension assembly, thus can guarantee that tightening belt 24 is in tensioning state all the time, even if tightening belt 24 causes its tension variation during due to service wear, due to the tension force effect of the 29 pairs of slide blocks 501 of spring on tension assembly, the elasticity of the regulating wheel 5011 pairs of tightening belts 24 on slide block 501 carries out adaptive adjustment, guarantee that the tension force of tightening belt 24 remains consistent, be conducive to uniformity and the retentivity of the performance improving printer.

And in the prior art, due to motor 19, driving wheel 21, the installation of driven pulley 22 and rubber roll 25 all adopts screw to connect, unavoidably position error is there is when screw-driving, therefore the installation stability should taking motor 19 when carrying out installation and debugging into account also will take the rate of tension of tightening belt 24 into account, therefore the optimum state that just can find tensioning by repeatedly adjusting installation is needed when actual installation regulates, and adopt the present embodiment technical scheme, by adjusting the compression degree of spring 29, the tension force of tightening belt 24 can be adjusted adaptively and meet the requirements of tension state, it is installed, debug more accurate, be easy to operation.

As the signal of the present embodiment, the present embodiment is positioned at the first at right angle setting frame 11 side for the turning cylinder of motor 19, the first at right angle setting frame 11 of the present embodiment is also provided with about one location division, hole portion 13 run through, when carrying out motor 19 and installing, make the location division, bearing 20 through hole portion 13 of motor 19, and the periphery of the bearing 20 made contacts with the inner circumferential of location division, hole portion 13, the 13 pairs of motors 19 in location division, hole portion bearing 20 spacing under, the bearing of motor 19 is held tightly location by location division, hole portion 13, be not easy to be subjected to displacement, owing to guaranteeing the job stability of motor 19, and install easy and simple to handle.After by the location division, bearing 20 through hole portion 13 of motor 19, adopt the screw that left and right is run through to be fixed on firmly on the first at right angle setting frame 11 by motor 19, and be seated on horizontal bearing frame 18, motor 19 pairs of horizontal bearing framves 18 have Action of Gravity Field.

As the signal of the present embodiment, on the first at right angle setting frame 11, centered by location division, hole portion 13, about four positioning screw holes run through 14 can also be set symmetrically, and make this positioning screw hole 14 have certain degree of depth, and its degree of depth is greater than the degree of depth in locating hole portion.When carrying out motor 19 and installing, after the bearing 20 of motor 19 is put entrance bore portion location division 13, bolt about 37 is adopted to run through end face and the positioning screw hole 14 of motor 19, thus motor 19 is fixed on firmly on the first at right angle setting frame 11, and there is certain degree of depth due to positioning screw hole 14, more can place the horizontal query of motor 19 left-right and front-back, therefore the positional stability of motor 19 is more lasting, is conducive to consistency of performance and the persistence of guaranteeing printer.

As the signal of the present embodiment, two rubber roll locating holes 15 just right about level can also being also set on the first at right angle setting frame 11, second at right angle setting frame 16, respectively rubber roll axle bed 401 is fixed on this rubber roll locating hole 15, between the two rubber roll axle beds 401 that left and right is just right, rubber roll 25 is installed, make the rotating shaft 23 being positioned at the driven pulley 22 that the first at right angle setting frame 11 side is connected with rubber roll 25 axle be applied in the centre bore portion 4011 of rubber roll axle bed 401, make rubber roll 25 can rotation in centre bore portion 4011.Adopt this structure, the location, installation site of rubber roll 25 is convenient, is easier to installation and debugging.

As the signal of the present embodiment, in the present embodiment preferably but be not limited to make the installation site height of reel assembly 30 higher than rubber roll 25, for example rubber roll locating hole 15 can be arranged on the bottom of the first at right angle setting frame 11, second at right angle setting frame 16, reel assembly 30 is located thereon front, adopt this setting due to can be consistent with the direction of transfer of printing paper along the Action of Gravity Field of printing paper, more be conducive to the transmission of printing paper, make transmission more smooth and easy, avoid the phenomenons such as paperboard occur.

Shown in Figure 3, as the signal of the present embodiment, the printer support 3 of the present embodiment can further include the indicator assemblies for indicating the current paper amount of printing paper to user.This indicator assemblies mainly comprises: indicator fastener 38, indicator 40 and spring 43.

Indicator fastener 38 is set in the second at right angle setting frame 16 inner side relative with the first at right angle setting frame 11.Indicator 40 comprises the first arm 41, second arm 42 mutually had angle.The end of the first arm 41 is fixed on the installing plate 39 that indicator fastener 38 stretches out outside the second at right angle setting frame 16, indicator 40 is made to be positioned at the outside of the second at right angle setting frame 16, second arm 42 can rotate along the first arm 41 with the junction of the installing plate 39 of indicator fastener 38, spring 43 is connected with between the first arm 41 and second, spring 43 is in confined state, under the tension force of spring 43, the end of the second arm 42 is against outside the printing paper roll on the reel assembly 30 being contained in bearing carrier 10 front end all the time, all the time printing paper roll is had to the effect of pressure, when printing paper roll tails off gradually, second arm 42 is rotated down clockwise.Like this, can arrange certain scale on the outer face of the second at right angle setting frame 16, user can the current position of sight indicator 40 and the paper amount (namely rolling up thick) of the printing paper roll understood.In addition, can also arrange an observation window with a scale outside printer, user observes the second arm 8022 and the correspondence position of scale by observation window, can determine the paper amount of current printing paper roll.

As the signal of the present embodiment, the printer support 3 of the present embodiment also comprises guide plate 44 further, this guide plate 44 is fixed on the first at right angle setting frame 11, between second at right angle setting frame 16, and between reel assembly 30 and rubber roll 25, namely the installation site of guide plate 44 is positioned at reel assembly 30 times rears, be positioned at the upper front of rubber roll 25, make to walk around guide plate 44 from reel assembly 30 printing paper out and arrive rubber roll 25 again, guiding parts is transmitted using the printing paper making guide plate 44 arrive between rubber roll 25 as reel assembly 30, be conducive to the smooth and easy transmission of printing paper, avoid paperboard.

As the signal of the present embodiment, the reel assembly 30 of the present embodiment adopts following Structure composing, and reel assembly 30 mainly comprises: coil paper baffle plate 45601, first central shaft 32, central connector 33, buckle part 34, spring 35 and outer shaft 36.

The first end of the first central shaft 32 stretches out from the centre bore portion of coil paper baffle plate 45601 and the first central shaft 32 can be rotated freely along in the centre bore portion of coil paper baffle plate 45601.

Buckle part 34 is fixed on the first at right angle setting frame 11, an end of buckle is provided with two and stretches out block 51, 52, two stretch out block 51, hole portion is respectively arranged with on 52, block 51 is stretched out two, a gap is separated with between 52, when mounted, first central shaft 32 is inserted in the gap of buckle part 34 at the end of first end, then a pin 53 is inserted, make pin 53 run through two respectively and stretch out block 51, 52 and first central shaft 32, buckle part 34 can be rotated along pin 53, this structure is adopted more to be conducive to installation and the debugging of Convenient button plate and the first at right angle setting frame 11 and the first central shaft.

The first end of central connector 33 and the second end of the first central shaft 32 spin, the second end is connected with the first end of spring 35, second end of spring 35 is conflicted in the recess of the location-plate 17 inside the second at right angle setting frame 16, such first central shaft 32, central connector 33 and spring 35 form a central shaft, and it is that can be connected on the second at right angle setting frame 16 also can from the free end the second at right angle setting frame 16 gets on that this central shaft first end is fixed on the first at right angle setting frame 11, second end.Specifically, when mounted, can by Compress Spring 35, second end of central shaft be shifted out from the location recess of the location-plate 17 inside the second at right angle setting frame 16 and become free end, the second end place toward central shaft is inserted in outer shaft 36 and outer shaft 36 can centrally be rotated freely by axle, outer shaft 36 is inserted in printing paper roll, then the end (i.e. the second end of central shaft) of spring 35 moves in the location recess of the location-plate 17 inside the second at right angle setting frame 16 by Compress Spring 35, under the tension force effect of spring 35, second end of central shaft is against in the recess of location firmly, outside pressure is had to location recess, now central shaft is fixed on the first at right angle setting frame 11 firmly, between second at right angle setting frame 16, printing paper roll is enclosed within outer shaft 36, and it is spacing between coil paper baffle plate 45601 and the second at right angle setting frame 16.Adopt this present embodiment technical scheme structure, owing to adopting central shaft, outer shaft 36 inner-outer sleeve assembling structure, printing paper roll can be avoided the frictional dissipation effect of central shaft with elastic body, be conducive to the durability and the property retention that improve reel assembly 30.

As the signal of the present embodiment, preferably but be not limited to make the external diameter at outer shaft 36 two ends equal and the external diameter of external diameter slightly larger than interlude making two ends, like this, when loading onto printing paper roll, printing paper roll only contacts with the both ends section of outer shaft 36, and do not contact with the interlude of outer shaft 36, be conducive to reducing the frictional force between printing paper roll and periphery, guarantee the smooth and easy transmission of printing paper.

As the signal of the present embodiment, can be, but not limited to adopt by steel outer shaft 36, be conducive to the smooth degree improving outer shaft 36, reduce outer shaft 36 and the frictional force of printing paper roll further, guarantee the smooth and easy transmission of printing paper.

As the signal of the present embodiment, can also but be not limited to the location-plate 17 selecting steel, to improve the durability of this location-plate 17.

As the signal of the present embodiment, the bearing carrier 10 of the present embodiment preferably but be not limited to adopt horizontal bearing frame 18, first at right angle setting frame 11, the component of the second at right angle setting frame 16 integrated molding, such first at right angle setting frame 11, the position of the second at right angle setting frame 16 is definitely fixing and do not exist owing to adopting the mutual riveting of sheet metal component to form and cause the first at right angle setting frame 11 due to the connection error between parts, the relative offset of the second at right angle setting frame 16 and cause motor fixed position not just to and there is alignment error etc., adopt the present embodiment technical scheme can guarantee to be fixed on the first at right angle setting frame 11, the accuracy of the installation site of each parts between the second at right angle setting frame 16, be conducive to installing, debugging.

As the signal of the present embodiment; the printer support 3 of the present embodiment also comprises: cover the baffle plate 45 on bearing carrier 10; baffle plate 45 is for the front end face at the top and rear end face and the first at right angle setting frame 11 that cover bearing carrier 10; so that moving component crucial to motor 19, tension assembly, moving runner assembly etc. is protected in baffle plate 45; avoid dust to fall into, close the border and the moving component of these keys is shielded.

As the signal of the present embodiment, baffle plate 45 can also arrange porose portion, dispel the heat to be conducive to motor 19.

As the signal of the present embodiment, can also install paper knife 46 between the first at right angle setting frame 11, second at right angle setting frame 16 of this printer support 3, this paper knife 46 is positioned at the below of rubber roll 25, for manually cutting a sheet of paper for user.Its installation site and operation principle can be, but not limited to see prior art.

As the signal of the present embodiment, the inner side that first at right angle setting frame 11 is positioned at location division, hole portion 13 is also provided with a bracing wire tensioning spring 47, for straining supply lines or the control line of the miscellaneous part powering and pass through this position to motor 19, avoiding guiding to affect motor 19 to the winding of motor 19 and working.The operation principle of bracing wire tensioning spring 47 can be, but not limited to see prior art.

As the signal of the present embodiment, one can also be installed for detecting the sensor whether also having printing paper on reel assembly 30 side of the present embodiment, this sensor can be arranged on sensor installing plate 48, so that when not having printing paper, reminding user installs printing paper additional.

As the signal of the present embodiment, at the front end face of the printer support 3 of the present embodiment, namely the front end face of bearing carrier 10 is also coated with front shroud 49, and this front shroud 49 is provided with user-friendly handle 50.

The printer support 3 of said structure is specially adapted to the compact aircraft printer of claimed structure, but also can be applied to other printer.

embodiment 3:

Shown in Fig. 6,7, the print head assembly 4 that the present embodiment provides, print head assembly 4 mainly comprises with lower component: adjustable plate 101, spring leaf 102, installing plate 103, printhead 104.Its assembly structure is as follows:

Adjustable plate 101 as the main load bearing component of this print head assembly 4, for mounting spring sheet 102 and installing plate 103.The groove 1011 of a level is provided with at the end face of adjustable plate 101, spring leaf 102 is spacing in groove 1011, the two ends of spring leaf 102 are inconsistent with the end of groove 1011 respectively, groove 1011 pairs of spring leafs 102 carry out spacing, forbid that the motion of left and right, front and back occurs spring leaf 102 in the horizontal direction.

The spring leaf 102 of the present embodiment is a strip, spring leaf 102 is bent at point midway, form one in midpoint and be greater than the angle a that zero degree is less than 180 degree, the summit of angle a is the mid point of spring leaf 102, and spring leaf 102 is in slight confined state all the time.

The installing plate 103 of the present embodiment is as the installation frame installing printhead 104, the front end of installing plate 103 and the front end chain connection of adjustable plate 101, installing plate 103 upwards or downwards can be overturn in vertical plane along the hinge connection portion between installing plate 103 and adjustable plate 101, and forming one can the hinge structure of folding.

In the present embodiment, screw 1030 is also provided with at the middle part of installing plate 103, the center of this screw 1030 is relative with spring leaf 102 mid point, a screw 1051 is had at screw 1030 internal fixtion, make screw 1051 through inconsistent with the inner side of angle a, after being fixed on installing plate 103 top at printhead 104, the summit of the angle a at the middle part of spring leaf 102 is covered by printhead 104, now, at screw 1051 with under the effect up and down of printhead 104, the summit (i.e. mid point) of spring leaf 102 is clamped by printhead 104 and screw about 1051, spring leaf 102 is fixed between printhead 104 and installing plate 103, the summit (mid point) of the angle a on spring leaf 102 is the resilient support point of spring leaf 102 pairs of printheads 104, also be unique resilient support point.

The printhead 104 of the present embodiment is fixed on installing plate 103 end face, printhead 104 is for printing, it can be, but not limited to as thermal printing head 104, thermal printing head 104 is by the heating to the paper be positioned at below printhead 104, make the locally generation carbonization of printing paper and on printing paper, form writing, realizing printing.

The operation principle of this print head assembly 4 is, when needs print at printhead 104, be positioned at printhead 104 end face, press printing paper downwards for the rubber roll 25 drawing printing paper, time-out is made to transmit printing paper to printhead 104, now rubber roll 25 (does not draw see in Fig. 3,4, it arranges and structure can be, but not limited to see embodiment 2 and prior art) there is downward pressure to printhead 104, under about the pressure of rubber roll 25, printhead 104 moves downward, and printhead 104 is pressed on print data on paper.

Move downward in process at above-mentioned printhead 104, printhead 104 drives installing plate 103 upset slightly downwards, on printhead 104 and installing plate 103 pairs of spring leafs 102, the summit of angle a applies downward active force, and the spring leaf 102 on angle a both sides is further compressed.

When current line has printed, by under the elastic force reaction force of spring leaf 102 that compresses, printhead 104 moves upward, and installing plate 103 upwards overturns slightly, and rubber roll is toward printhead 104 paper feeding; When paper feeding is to precalculated position, more another rubber roll compresses paper downwards, and press down printhead 104 and print another row downwards, return above-mentioned circulation, the multirow realizing data-printing is continuous.

Therefore, application the present embodiment technical scheme, because the spring leaf 102 of the present embodiment adopts strip spring leaf 102, and spring leaf 102 is spacing in the groove 1011 of adjustable plate 101, groove 1011 spacing under, it is mobile that spring leaf 102 is forbidden in the horizontal direction (comprising left-right and front-back direction), can guarantee the steadiness of spring leaf 102 position, avoid the problem causing the support force of spring leaf 102 pairs of printheads 104 uneven because of spring leaf 102 horizontal displacement.

And, the summit of the angle a of the point midway of the spring leaf 102 of the present embodiment is fixed between printhead 104 and installing plate 103, make to form isosceles triangle shape with groove 1011 bottom surface of adjustable plate 101, sole support point using the drift angle of the angle a of spring leaf 102 as printhead support 104, make the resilient support position of printhead 104 unique, and guarantee to be compressed and the stressed of spring section on any instant angle a both sides in springback process all remains consistent at spring leaf 102, balance, even if therefore can guarantee in print head assembly 4 course of work, the change in location of the support force of spring leaf 102 pairs of printheads 104 can not be caused due to service wear, also can not the support force of spring leaf 102 pairs of printheads 104 is uneven causes the problems such as printhead 104 inclination owing to causing because angle a both sides spring leaf 102 causes loss inconsistent due to stressed differing.

On in the print procedure of reality, if the support force of spring leaf 102 pairs of printheads 104 is uneven, easily causes printhead 104 and the frictional force of paper inconsistent and cause printing paper paper feed to tilt, printing the problems such as vestige is deep mixed, the handwriting is blurred.

And the present inventor is carrying out finding in research process of the present invention, prior art adopts four the position printhead support of four spring leafs below printhead, when the elastic force of each spring leaf is identical, printhead can keep balance very steadyly, if and in print procedure, arbitrary in four spring leafs 102 or part or loss occurs or there is damage to differ, to printhead 104 be caused due to the uneven and problem causing printhead to tilt of the support force that receives, therefore employing prior art, easily there is the transmission skew of paper and print the vestige depth, the problems such as printing writing is fuzzy.

As the signal of the present embodiment, between adjustable plate 101 and installing plate 103 can also but be not limited to adopt following hinge engaging structure:

The first projection 1012, second projection 1013 raised up is provided with at the left end of the front end of adjustable plate 101, the first gap 1014 is formed with, the first hole portion 1015 just right about the first projection 1012, second projection 1013 is respectively arranged with level between the first projection 1012, second projection 1013;

The 3rd projection 1016, the 4th projection 1017 that raise up is provided with at the right-hand member of the front end of adjustable plate 101, the second gap 1018 is formed with, the second hole portion 1019 just right about the 3rd projection 1016, the 4th projection 1017 are respectively arranged with level between the 3rd projection 1016, the 4th projection 1017;

Be provided with at the left end of the front end of installing plate 103 and forwards extend the 5th protruding projection 1031, the 3rd hole portion 1032 is provided with in the 5th projection 1031, be provided with at the right-hand member of the front end of installing plate 103 and forwards extend the 6th protruding projection 1033, in the 6th projection 1033, be provided with the 4th hole portion 1034;

When adjustable plate 101 carries out chain connection with installation version 103, the 5th projection 1031 on installing plate 103 is made to be embedded in the first gap 1014, and make the width of the 5th projection 1031 no better than the width in the first gap 1014, that is: make it inconsistent with the relative side of first projection 1012, second projection 1013 on both sides and cannot left and right movable, then insert the first rotating shaft 1061, make the first rotating shaft 1061 run through the first hole portion 1015, the 3rd hole portion 1032.

In like manner, the 6th projection 1033 on installing plate 103 is made to be embedded in the second gap 1018, and make the width of the 6th projection 1033 no better than the width in the second gap 1018, that is: make it inconsistent with the relative face of first projection 1012, second projection 1013 on both sides and cannot left and right movable, then insert the second rotating shaft 1062, make the second rotating shaft 1062 run through the 3rd hole portion 1032, the 4th hole portion 1034 in turn.Now, installing plate 103 can overturn in vertical plane along the first rotating shaft 1061, second rotating shaft 1062 on the same line, carries out hinge motion.

Installing plate 103 only can overturn in vertical plane (namely carrying out hinge motion) to adopt above-mentioned hinge engaging structure to guarantee, and can not the displacement in occurred level direction, avoid further causing spring point midway change and cause printhead 104 to tilt and then cause above-mentioned paper to wander off due to the horizontal displacement of installing plate 103, cause printing vestige deep mixed, and the problem such as printing writing is unclear.

As the signal of the present embodiment, a protruding location division (not visible in figure) protruding to the back-end can also be set on the rear end face of installing plate 103; To also corresponding one recessed backward recess 10110 on the opposing perpendicular planes of installing plate 103 rear end face on adjustable plate 101, and the height of this recess 10110 is made to be greater than the height of the protruding location division of installing plate 103 rear end.During front end chain connection by the front end of installing plate 103 and adjustable plate 101, make the protruding location division of installing plate 103 rear end face spacing in the recess 10110 of adjustable plate 101, when installing plate 103 is overturn, the protruding location division of installing plate 103 rear end face (i.e. hinge motion outermost end) is spacing in the recess 10110 of adjustable plate 101 all the time, so play restriction installing plate 103 hinge upset peak and the effect of minimum point.Like this, even if cause printer stressed excessive due to equipment fault or human error, because above-mentioned setting can limit the upset stroke of installing plate 103, guarantee that printhead 104 and installing plate 103 can not be excessive due to pressing down of printhead 104, and excess compression spring leaf 102, cause the problem that spring leaf 102 loss is too fast or damage, be conducive to the service life of improving print head assembly 4.

As the signal of the present embodiment, adjustable plate 101 is also provided with further run through vertically the 5th hole portion 10111, the 6th hole portion 10112.

Installing plate 103 is just also correspondingly provided with vertical two screws 1035 run through to position with the 5th hole portion 10111, the 6th hole portion about 10112, just position is also provided with to two screws 1041 (one of them is not visible in FIG) running through or do not run through in the bottom surface of printhead 104 and the 5th hole portion 10111, the 6th hole portion about 10112, and make the 5th hole portion 10111, the internal diameter in the 6th hole portion 10112 is greater than screw 1035,1041 on installing plate 103 and printhead 104.The first screw 1052, second screw 1053 is made to run through the first hole portion 1019 of hole portion 1015, second of adjustable plate 101 respectively, and the first screw 1052, second screw 1053 fixedly spins with the screw 1035,1041 on installing plate 103 and printhead 104 respectively and tightens, installing plate 103 and printhead 104 are fixed together.When installing plate 103 overturns along the hinge connection portion of itself and adjustable plate 101, first screw 1052, second screw 1053 freely-movable in the 5th hole portion 10111, the 6th hole portion 10112, not by the restriction in the 5th hole portion 10111, the 6th hole portion 10112.This structure is adopted to be conducive to realizing the print head assembly 4 of small size.

As the signal of the present embodiment, the two vertical protrusion blocks 1036,1037 that relative level is relative can also be set in the front end of installing plate 103, and make this two protruding block higher than printhead 104, using this two vertical protrusion block 1036,1037 as the edge guiding portion of paper being sent to printhead 104, paper is avoided to wander off.

As the signal of the present embodiment, the angle a that can be, but not limited in the middle part of by spring leaf 102 is set to obtuse angle (such as being 150 degree).The support force of spring leaf 102 pairs of printheads 104 is made to be conducive to further guaranteeing the stability of strutting system to printhead 104 comparatively gently.

As the signal of the present embodiment, shown in Figure 1, in the present embodiment, in two horizontal end of spring leaf 102, make this horizontal end spring fragment 1021 relatively upwards bend certain angle near spring section 1022 level of angle a, namely horizontal end spring fragment 1021 forms an obtuse angle with the spring section 1022 near angle a.Like this, spring leaf 102 and groove 1011 bottom surface be the bending bottom surface of end, be conducive to the horizontal friction force of less spring leaf 102, avoid spring leaf 102 displacement, and the wearing and tearing of minimizing spring leaf 102.

As the signal of the present embodiment, make spring leaf 102 liang of horizontal end spring fragments 1021 be acute angle relative to the end face of groove 1011, and do not need to do too large bending.

As the signal of the present embodiment, shown in Fig. 1,2, the adjustable plate 101 of the present embodiment is made up of the back shroud 10113 of mutual integrated molding and front end-plate 10114.Its further groove 1011 is arranged on the end face of front end-plate 10114, and installing plate 103 is also fixed on front end-plate 10114,

Back shroud 10113 is positioned at the back segment of front end-plate 10114, and in " n " shape bulge-structure, and the end face of back shroud 10113 is higher than the end face of front end-plate 10114.To form change from high to low to printhead 104 direction by back shroud 10113 like this, be conducive to printhead 104 paper feeding.

In addition, therefore, adopt the present embodiment technical scheme, print and paper feeding process in, only move as the printhead 104 printed in the print head assembly 4 of critical component and the installing plate 103 be positioned at below printhead 104 and spring leaf 102, other are static without the need to the optional features participating in printing motion, are conducive to the stability improving print head assembly 4, and inessential parts interlock can be avoided and cause connection loosing, spring leaf 102 is because stressed excessive and cause the problems such as inefficacy.

The print head assembly 4 of said structure is specially adapted to the compact aircraft printer of claimed structure, but also can be applied to other printer.

embodiment 4:

Shown in Fig. 8,9, present embodiments provide a kind of power drives assembly 2 being applicable to printer.The power drives assembly 2 of the present embodiment is mainly as the power drives parts of printer.

The power drives assembly 2 of the present embodiment mainly comprises: adapter assembly 4101, back shroud 4102, frame 4103, power supply circuit board 4104, backplate 4105 and drive circuit board 4106.Its syndeton and operation principle as follows:

Adapter assembly 4101 is provided with the power interface for being connected with outside and data-interface, to carry out plant-grid connection and PERCOM peripheral communication data cube computation etc.

Frame 4103 comprises riser 41031, first side plate 41032 all in vertical and the second side plate 41033.Wherein the first side plate 41032, second side plate 41033 is separately positioned on the left and right sides of riser 41031, forms the structure of one " work " font mutual vertically with riser 41031 with riser 41031.

Four summits on back shroud 4102 are provided with the pre-and post perforative screw hole column 441021 of level, this back shroud 4102 is fixed on the rear end face of adapter assembly 4101, adapter assembly 4101 can be fixed on by the rear end face by pre-and post perforative screw, back shroud 4102 being fixed on the riser 41031 of frame 4103 rear end of frame 4103, adapter assembly 4101 is made to give prominence to outside back shroud 4102, when the power drives assembly 2 of the present embodiment is assemblied in printer, this adapter assembly 4101 is extended outside the back shroud of printer, is convenient to wiring and connects.

Power supply circuit board 4104 is for powering to the control module 5 of printer and drive circuit board 4106, power supply circuit board 4104 is fixed by screws in the front end face of the riser 41031 of frame 4103, and left and right is spacing between the first side plate 41032, second side plate 41033.

Backplate 4105 is in bending, its top section at close backplate 4105 is to frame 4103 place lateral buckling, thus when the top of backplate 4105 is fixedly connected with by the vertical screw run through with two horizontal stators about frame 4103 top, between the rear end face and the front end face of frame 4103 of backplate 4105, be formed with a space, power supply circuit board 4104 is positioned at this space.

Drive circuit board 4106 is for driving the motor of printer, and drive circuit board 4106 is fixed on the rear end face of backplate 4105 by the pre-and post perforative screw of level.

Therefore, on the power drives assembly 2 of application the present embodiment, adapter assembly 4101, back shroud 4102 and frame 4103 are installed from back to front in turn, power supply circuit board 4104, backplate 4105 and drive circuit board 4106 is connected with from back to front in turn in the front end face direction of frame 4103, and they are all positioned in frame 4103, frame 4103 forms stabilized structure and compact modular construction, this structure is specially adapted to the Miniaturization Design of device.

When needs debugging or maintenance, maintenance personal only needs from the rear end of printer, this frame 4103 to be pulled down and the critical component of power drives assembly 2 can be pulled down, and the installation of each parts is separate, installation site is separate, fixing, is conducive to improving the convenience installed.

As the signal of the present embodiment, upright first side 441051 can also be provided with further in the left and right sides of backplate 4105, second side 441052, first side 441051, second side 441052 is stretched out toward the rear end face direction of backplate 4105 respectively, in first side 441051, second side 441052 is respectively arranged with the screw that left and right is run through, when backplate 4105 is fixed in frame 4103, also further by the first side 441051 of screw by backplate 4105 left and right sides, first side plate 41032 of second side 441052 and frame 4103, second side plate 41033 is interconnected, thus backplate 4105 is fixed in frame 4103 more firmly, and compact conformation is firm.

As the signal of the present embodiment, the observation window 41034,41035 hollowed out can also be set on the first side plate 41032, second side plate 41033 of frame 4103, namely can be observed power circuit drive circuit board 4106 from the both sides of frame 4103, to be convenient to maintenance further, and be conducive to the driving radiating effect improving power circuit drive circuit board 4106.

As the signal of the present embodiment, an observation window hollowed out 441053 can also be set at the tip position of backplate 4105, power circuit drive circuit board 4106 can be observed from backplate 4105 top and front portion, to be convenient to maintenance further, and be conducive to the driving radiating effect improving power circuit drive circuit board 4106.

As the signal of the present embodiment, the back shroud 4102 of the present embodiment also can arrange the observation window 441022 hollowed out, power circuit drive circuit board 4106 can be observed from back shroud 4102, to be convenient to maintenance further, and be conducive to the driving radiating effect improving power circuit drive circuit board 4106.

As the signal of the present embodiment, be also respectively arranged with the first bending edge 41036, second bending edge 41037 of relative inner bending at the back edge of the first side plate 41032, second side plate 41033 of frame 4103.At the first bending edge 41036, second bending edge 41037 is respectively arranged with the pre-and post perforative screw of level, when drive circuit board 4106 is fixed on backplate 4105, drive circuit board 4106 is limited in the first bending edge 41036, inside the front end face of the second bending edge 41037, at drive circuit board 4106 and the first bending edge 41036, the position that the screwhole position of the second bending edge 41037 is just right is provided with corresponding screw, at the first bending edge 41036, pre-and post perforative screw is screwed in second bending edge 41037 and the screw of drive circuit board 4106, and at drive circuit board 4106 and the first bending edge 41036, on the screw connecting portion of the second bending edge 41037, cushioning spring washer makes drive circuit board 4106 be connected in frame 4103 tightly, the further steadiness improving connection, and the convenience of dismounting.

As fully visible, the power drives assembly 2 of the present embodiment technical scheme, it adopts modularized design, and assembling, the debugging of critical piece can complete in outside, when power supply circuit board 4104 damages, and the easy accessibility of assembly.And compact conformation is orderly, be specially adapted to that volume requirement is less, the aircraft printer of portable construction.

Above-described embodiment, does not form the restriction to this technical scheme protection domain.The amendment done within any spirit at above-mentioned embodiment and principle, equivalently to replace and improvement etc., within the protection domain that all should be included in this technical scheme.

Claims (10)

1. a printer, is characterized in that, comprising:

Housing,

Electric power driving module, shutoff in the rear end of described housing, for providing driving power to described printer support, print head assembly and control module;

Described printer support, shutoff in the front end of described housing,

Described print head assembly, is fixed in described housing, and is positioned at the below bottom described printer support, makes the rubber roll on described printer support be pressed in printhead end face on described print head assembly,

Described control module, shutoff at the top of described housing, for controlling described printer support and print head assembly.

2. printer according to claim 1, is characterized in that,

Described printer support comprises:

Bearing carrier, by horizontal bearing frame and be positioned at the first at right angle setting frame at two ends, described horizontal bearing frame left and right, the second at right angle setting is configured to;

Motor, is fixed on described horizontal bearing frame;

Moving runner assembly, comprises driving wheel and driven pulley, and wherein said driving wheel is connected with the rotating shaft of described motor, and described driving wheel is connected by tightening belt with described driven pulley;

Rubber roll, is connected with the rotating shaft of described driven pulley, is arranged on the top of the printhead of described printer, for described printhead paper feeding;

Tension assembly, comprise: slide block, guide rod and spring, described slide block and spring are spacing in horizontal groove side by side, described horizontal groove be positioned at be arranged on described first at right angle setting frame outer side elevation on, described spring is in confined state all the time, to the tensioned active force of described slide block, run through before and after described guide rod and stretch into described horizontal groove, and run through described spring and slide block, when described spring is compressed or is stretched, described slide block can move forward and backward along described guide rod, described slide block is also provided with a regulating wheel, described tightening belt also walks around described regulating wheel, under the tension force effect of described spring to described slide block, described tightening belt keeps tensioning state,

Reel assembly, be fixed between described first at right angle setting frame, the second at right angle setting frame, be suspended on above described horizontal bearing frame horizontally, for installing printing paper roll, the below of described printhead is transferred into through described rubber roll, for described printhead prints from described reel assembly printing paper out.

3. printer according to claim 2, is characterized in that,

Described first at right angle setting frame is also provided with the location division, hole portion that left and right is run through,

The bearing of described motor runs through location division, portion, described hole, and the periphery of described bearing contacts with the inner circumferential of location division, portion, described hole.

4. printer according to claim 2, is characterized in that,

Described first at right angle setting frame is also provided with about four positioning screw holes run through, and described hole portion position point is in the center of positioning screw hole described in four;

Run through the screw of the bearing face of positioning screw hole described in four and described motor by four bolts respectively, described motor is fixed on described first at right angle setting frame.

5. printer according to claim 2, is characterized in that,

The degree of depth of described positioning screw hole is greater than the degree of depth of location division, portion, described hole.

6. printer according to claim 2, is characterized in that,

Described first at right angle setting frame, the second at right angle setting frame are also provided with the just right rubber roll locating hole of level, each rubber roll locating hole is fixed with the first rubber roll axle bed, the second rubber roll axle bed respectively;

The rotating shaft of described driven pulley runs through the axis hole of described first rubber roll axle bed, can rotate along the axis hole of described first rubber roll axle bed;

The rotating shaft of described rubber roll runs through the axis hole of described second rubber roll axle bed, can rotate along the axis hole of described second rubber roll axle bed.

7. printer according to claim 2, is characterized in that,

The installation site of described reel assembly is higher than described rubber roll.

8. printer according to claim 2, is characterized in that,

The installation site of described reel assembly is positioned at the rear end of described rubber roll.

9. printer according to claim 2, it is characterized in that, also comprise: guide plate, be fixed between described first at right angle setting frame, the second at right angle setting frame, and installation site is between described reel assembly and described rubber roll, walks around described guide plate from described reel assembly described printing paper out and arrive described rubber roll.

10. printer according to claim 2, is characterized in that, also comprises:

Indicator fastener, is arranged on inner side relative with described first at right angle setting frame on described second at right angle setting frame,

Indicator, comprises the first arm, the second arm that mutually have angle,

Described first arm is fixed on the installing plate of described indicator fastener, this installing plate stretches out the outside at described second at right angle setting frame, described second arm can rotate in the junction of the lateral surface of described second at right angle setting frame along described first arm and described indicator fastener, spring is connected with between described first arm and second, described spring is in confined state, under the tension force of described spring, the end of described second arm is against outside the printing paper roll on described reel assembly all the time, the active force tensioned to described printing paper roll, described second arm is used to indicate the current paper amount of described printing paper roll.