WO2016082723A1 - 打印机机座及带该机座的打印机以及飞机用数据打印机 - Google Patents

打印机机座及带该机座的打印机以及飞机用数据打印机 Download PDF

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Publication number
WO2016082723A1
WO2016082723A1 PCT/CN2015/095239 CN2015095239W WO2016082723A1 WO 2016082723 A1 WO2016082723 A1 WO 2016082723A1 CN 2015095239 W CN2015095239 W CN 2015095239W WO 2016082723 A1 WO2016082723 A1 WO 2016082723A1
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WO
WIPO (PCT)
Prior art keywords
printer
shaft
spring
paper
rubber roller
Prior art date
Application number
PCT/CN2015/095239
Other languages
English (en)
French (fr)
Inventor
杨冬松
周新香
梁建勤
Original Assignee
广州航新航空科技股份有限公司
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Application filed by 广州航新航空科技股份有限公司 filed Critical 广州航新航空科技股份有限公司
Publication of WO2016082723A1 publication Critical patent/WO2016082723A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/06—Special supports, platforms or trolleys for supporting machines on tables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism

Definitions

  • the present invention relates to the field of printers, and in particular to a printer base, a printer with the same, and a data printer for an aircraft.
  • China's civil aviation transportation market presents a huge demand.
  • China In 2012, China’s total transportation volume has tripled compared with China 10 years ago, but there is still a big gap compared with Europe and the United States.
  • 95% of county-level areas and 95% of the population should enjoy civil aviation services.
  • the Chinese market According to forecasts, in the next 20 years, only the Chinese market will need to add nearly 0 various types of civil aircraft, with a total value of more than 560 billion US dollars.
  • Aircraft manufacturing has relied on foreign companies for many years, which is a short-board for the country. Therefore, the localization and energy level of the localization of aircraft components to the national manufacturing capacity not only has important economic and political significance, but also has special national security. Strategic significance.
  • the number of domestic passenger airliners is about 2,000.
  • the Boeing and Airbus series of large passenger planes account for about 90%, and the aircraft data printers are designed and produced by foreign companies, and no domestic companies produce them.
  • data printers can communicate with the aeronautical communication address and reporting system or flight data recording system to print relevant flight information.
  • These components are mainly products of the 1980s. Due to the long-term components, the reliability of the components is reduced and the failure rate is high. At the same time, due to technical limitations at the time, the circuit and structure design of the printer is complicated, and the printer is inspected and repaired. It brings a lot of inconvenience.
  • One of the objects of the embodiments of the present invention is to provide a printer base, a printer with the same, and a data printer for an aircraft. Applying this technical solution is beneficial to improve the consistency and maintainability of the performance of the printer.
  • the load bearing member is composed of a horizontal carrier and a first vertical mounting frame and a second vertical mounting frame at the left and right ends of the horizontal carrier;
  • a rotating wheel assembly comprising a driving wheel and a driven wheel, wherein the driving wheel is coupled to a rotating shaft of the motor, and the driving wheel and the driven wheel are connected by a tensioning belt;
  • a rubber roller connected to the rotating shaft of the driven wheel and disposed at a top of the printing head of the printer for feeding paper to the printing head;
  • a tensioning assembly comprising: a slider, a guide rod and a spring, the slider and the spring being laterally constrained in a horizontal groove, the horizontal groove being located on an outer façade disposed on the first vertical mounting bracket
  • the spring is always in a compressed state, and has a tensile force on the slider, the guide rod extends through the horizontal groove forward and backward, and penetrates the spring and the slider when the spring is compressed or When stretched, the slider is movable back and forth along the guide rod, and a sliding wheel is further disposed on the slider, and the tensioning belt further bypasses the tensioning wheel at the spring pair
  • the tensioning belt maintains a tension state under the tension of the slider;
  • a paper shaft assembly fixed between the first vertical mounting bracket and the second vertical mounting bracket and suspended horizontally above the horizontal carrying frame for mounting a printing paper roll from the paper shaft assembly
  • the printing paper is conveyed through the rubber roller to the lower side of the print head for printing by the print head.
  • a hole positioning portion that is vertically penetrated is further disposed on the first vertical mounting bracket,
  • a bearing of the motor penetrates the hole positioning portion, and an outer circumference of the bearing is in contact with an inner circumference of the hole positioning portion.
  • first and second positioning screw holes are disposed on the first vertical mounting frame, and the hole positioning portion is located at a center of the four positioning screw holes;
  • the motor is fixed to the first vertical mount by four bolts respectively extending through the four positioning screw holes and the screw holes of the bearing end faces of the motor.
  • the depth of the positioning screw hole is greater than the depth of the hole positioning portion.
  • a horizontally facing rubber roller positioning hole is further disposed on the first vertical mounting frame and the second vertical mounting frame, and a first rubber roller shaft seat and a second are respectively fixed on each rubber roller positioning hole Rubber roller shaft seat;
  • a rotating shaft of the driven wheel penetrates a shaft hole of the first rubber roller shaft seat, and is rotatable along an axial hole of the first rubber roller shaft seat;
  • the rotating shaft of the rubber roller passes through the shaft hole of the second rubber roller shaft seat and is rotatable along the shaft hole of the second rubber roller shaft seat.
  • the paper shaft assembly is mounted at a higher position than the rubber roller.
  • the paper shaft assembly is mounted at a rear end of the rubber roller.
  • the method further includes: a guide plate fixed between the first vertical mounting bracket and the second vertical mounting bracket, and the mounting position is between the paper shaft assembly and the rubber roller, from the paper shaft The printing paper from the assembly bypasses the guide plate to reach the rubber roller.
  • it also includes:
  • An indicator comprising a first arm and a second arm at an angle to each other
  • the first arm is fixed on a mounting plate of the indicator fastener, the mounting plate protrudes outside the second vertical mounting bracket, and the second arm is external to the second vertical mounting bracket a side surface rotates along a joint of the first arm and the indicator fastener, and a spring is connected between the first arm and the second pen, the spring is in a compressed state under the tension of the spring
  • the end of the second arm is always against the outside of the printing paper roll on the paper shaft assembly, and has a force on the printing paper roll, and the second arm is used to indicate the current current of the printing paper roll. The amount of paper.
  • the paper shaft assembly comprises:
  • the first end portion protrudes from the hole portion of the roll paper baffle and is rotatable in the hole portion;
  • gusset member a gusset member
  • the gusset member is fixed on the first vertical mounting frame
  • two protruding blocks are disposed on the gusset plate, and a gap is spaced between the two protruding blocks, the first a distal end of the first end of the central shaft is constrained within the gap, a pin extending between the two protruding blocks and the first central axis;
  • a spring one end of which is connected to the second end of the central connecting member, and the other end of which is in contact with the positioning recess of the positioning plate fixed inside the second vertical mounting frame;
  • the outer shaft is sleeved outside the central shaft by the first central shaft, the central connecting member and the spring, and the outer circumference is free to rotate along the inner shaft.
  • the outer shaft is a steel shaft.
  • the positioning plate is made of steel.
  • the outer diameter of the intermediate portion of the outer shaft is smaller than the outer diameter of both ends of the outer shaft, and the outer diameters of the two ends are the same.
  • the horizontal carrier, the first vertical mounting bracket, and the second vertical mounting bracket are integrally formed components.
  • the printer and the data printer for an aircraft provided in this embodiment include the printer base of any of the above.
  • the present embodiment further bypasses the tensioning pulley on the tensioning assembly around the tensioning belt between the driving wheel and the driven wheel, it can be ensured that the tensioning belt is always in tension even if tensioned.
  • the tensioning wheel on the slider acts on the tensioning belt, and the tensioning wheel can tighten the skin.
  • the belt is adaptively adjusted to ensure that the tension of the tensioning belt is always consistent, which helps to improve the consistency and maintainability of the printer.
  • 16 second vertical mounting bracket; 17: positioning plate; 18 horizontal carrier;
  • 31 roll paper baffle; 32: first central axis; 33: central connector;
  • 1 housing; 2: power drive assembly; 3: printer base;
  • 1019 second hole portion; 10110: concave position; 10111 fifth hole portion;
  • 10112 sixth hole portion; 10113: rear cover plate; 10114 front end plate;
  • 1033 sixth bump, 1034: fourth hole portion; 1035: screw hole;
  • 1053 second screw
  • 1061 first rotating shaft
  • 1062 second rotating shaft
  • 41032 first side plate
  • 41033 second side plate
  • 41034, 41035 observation window
  • 41036 first bent edge
  • 41037 second bent edge
  • 4104 power supply circuit
  • guard plate guard plate; 41051: first side; 41052: second side;
  • the printer base 3 provided in this embodiment mainly includes: a bearing member 10, a motor 19, a rotating wheel assembly, a rubber roller 25, a tensioning assembly, and a paper shaft assembly 30. Its connection relationship and working principle are as follows:
  • the carrier member 10 serves as a main load-bearing mechanism for the main components of the base of the printer, and is composed of a horizontal carrier 18, a first vertical mount 11, and a second vertical mount 16.
  • the first vertical mounting bracket 11 and the second vertical mounting bracket 16 are respectively located on the left and right sides of the horizontal carrier 18.
  • the motor 19 is used to rotate the rubber roller 25 for conveying the printing paper to the print head, and the motor 19 is fixed to the top surface of the horizontal carrier 18.
  • the rotating wheel assembly includes a driving wheel 21 and a driven wheel 22, wherein the driving wheel 21 and the motor 19 are shaft-connected to each other, the driving wheel 21 and the driven wheel 22 are connected by a tensioning belt 24, and the rubber roller 25 is pressed against the printing head of the printing head assembly 4.
  • the top of the top is used for conveying the printing paper to the printing head, so that the rubber roller 25 and the driven wheel 22 are coaxially connected to each other.
  • the motor 19 drives the driving wheel 21 to rotate, and the driving wheel 21 drives the driven wheel through the tensioning belt 24. 22 is rotated, and the driven wheel 22 drives the rubber roller 25 connected to the shaft to rotate.
  • the tensioning assembly is mainly used to prevent the tensioning belt 24 from loosening and affecting the power transmission of the driving wheel 21 to the driven wheel 22.
  • the tensioning assembly of the embodiment mainly comprises: a slider 501, a guiding rod 28 and a spring. 29.
  • a horizontal groove 12 extending in the front-rear direction is further disposed, and the horizontal groove 12 is recessed toward the second vertical mounting frame 16 during installation.
  • the spring 29 and the slider 501 are placed in the horizontal groove 12 one after the other, so as to be adjacent to each other, and the spring 29 is always in a predetermined compressed state in the horizontal groove 12, and then guided.
  • the rod 28 penetrates the horizontal groove 12 from the rear end and penetrates the spring 29 and the slider 501 respectively, and the guide rod 28 is tightened, so that the spring 29 and the slider 501 are both fixed in the horizontal groove 12, and It is only movable back and forth in the horizontal groove 12.
  • a rotatable tensioning pulley 5011 is further disposed on the façade of the slider 501 outside the first vertical mounting frame 11, so that the tensioning belt 24 wound between the driven wheel 22 and the driven wheel 22 also bypasses the slider 501.
  • the tensioning wheel 5011 such that under the tension of the spring 29 against the slider 501, the tensioning wheel 5011 always exerts a force for outward stretching of the belt, and the tensioning belt 24 is always kept in tension, so that the slider 501
  • the upper bearing is stretched in the tensioning belt 24 to ensure power transmission between the driving wheel 21 and the driven wheel 22, ensuring the performance stability of the power mechanism.
  • the paper shaft assembly 30 is used for reeling printing paper, which is fixed between the first vertical mounting frame 11 and the second vertical mounting frame 16, and is horizontally suspended above the horizontal carrier 18, and when printed, is rolled on the paper shaft.
  • the printing paper on the assembly 30 exits the paper shaft assembly 30, passes through a rubber roller 25 that is pressed against the printhead, and is then conveyed to the printhead assembly 4, specifically into the lower portion of the printhead, passing underneath it, during printing.
  • the print head performs a printing operation on the printing paper below it to form a writing.
  • the embodiment can ensure that the tensioning pulley 5011 on the tensioning assembly is further bypassed.
  • the tensioning belt 24 is always in a tensioned state, and even if the tensioning belt 24 changes its tension due to wear and tear, the tensioning pulley 5011 on the slider 501 acts on the tension of the slider 501 by the spring 29 on the tensioning assembly.
  • the tensioning pulley 5011 can adaptively adjust the tensioning belt 24 to ensure that the tension of the tensioning belt 24 is always consistent, which is advantageous for improving the consistency and maintainability of the performance of the printer.
  • the present embodiment is located in the first vertical mount with the rotating shaft of the motor 19.
  • a hole positioning portion 13 penetrating therethrough is provided, and when the motor 19 is mounted, the bearing 20 of the motor 19 is inserted through the hole positioning portion 13, and The outer circumference of the bearing 20 is brought into contact with the inner circumference of the hole positioning portion 13, and the position of the motor 19 is not easily displaced when the hole positioning portion 13 is restrained by the bearing 20 of the motor 19, since the operation of the motor 19 is ensured. Stability and easy installation.
  • the motor 19 After the bearing 20 of the motor 19 is inserted into the hole positioning portion 13, the motor 19 is firmly fixed to the first vertical mounting frame 11 by screws that are inserted through the right and left, and placed on the horizontal carrier 18, and the motor 19 is horizontal.
  • the carrier 18 has a gravity effect.
  • four positioning screw holes 14 extending through the left and right may be symmetrically disposed on the first vertical mounting frame 11 with the hole positioning portion 13 as the center, and the positioning screw holes 14 have a certain depth. And its depth is greater than the depth of the positioning hole portion.
  • the two vertical roller positioning holes 15 which are horizontally right and left may be further disposed on the first vertical mounting frame 11 and the second vertical mounting frame 16, and the rubber roller shaft base 401 is respectively fixed to the rubber roller.
  • a rubber roller 25 is installed between the two rubber roller shaft seats 401 facing right and left, so that the rotating shaft 23 of the driven wheel 22 which is axially connected to the rubber roller 25 on the side of the first vertical mounting frame 11 penetrates the rubber roller shaft.
  • the center hole portion 4011 of the seat 401 is rotatable in the center hole portion 4011.
  • the rubber roller positioning hole 15 may be disposed in the first vertical mounting frame 11
  • the bottom of the second vertical mounting frame 16 is located at the front of the paper shaft assembly 30.
  • the printer base 3 of the present embodiment may further include an indicator assembly for indicating to the user the current paper amount of the printing paper.
  • the indicator assembly primarily includes an indicator fastener 38, an indicator 40, and a spring 43.
  • the indicator fastener 38 is disposed on the inner side of the second vertical mount 16 opposite to the first vertical mount 11.
  • the indicator 40 includes a first arm 41 and a second arm 42 that are at an angle to each other.
  • the end of the first arm 41 is fixed on the indicator plate 38 and protrudes from the mounting plate 39 outside the second vertical mounting frame 16 so that the indicator 40 is located outside the second vertical mounting frame 16, and the second arm 42 can be along
  • the first arm 41 rotates at a joint with the mounting plate 39 of the indicator fastener 38, and is connected between the first arm 41 and the second pen.
  • the spring 43 the spring 43 is in a compressed state, and under the tension of the spring 43, the end of the second arm 42 always abuts against the paper roll mounted on the paper shaft assembly 30 at the front end of the carrier member 10, always having a roll on the paper roll
  • a certain scale can be provided on the outer end surface of the second vertical mount 16, and the user can observe the current position of the indicator 40 to know the paper amount (i.e., the roll thickness) of the paper roll.
  • the printer base 3 of the present embodiment further includes a guide plate 44 fixed between the first vertical mount 11 and the second vertical mount 16 and located in the paper shaft assembly 30.
  • a guide plate 44 fixed between the first vertical mount 11 and the second vertical mount 16 and located in the paper shaft assembly 30.
  • the front mounting position of the guide plate 44 is located behind the paper shaft assembly 30 at the upper front side of the rubber roller 25, so that the printing paper from the paper shaft assembly 30 bypasses the guide plate 44 and reaches the glue.
  • the roller 25 serves as a printing paper conveying guide member between the paper shaft assembly 30 and the rubber roller 25, which facilitates smooth conveyance of the printing paper and avoids jamming.
  • the paper shaft assembly 30 of the present embodiment is configured by the following structure, which mainly includes: a paper roll baffle 45601, a first central shaft 32, a center connecting member 33, and a gusset member. 34. Spring 35 and outer shaft 36.
  • the first end portion of the first center shaft 32 projects from the center hole portion of the paper roll dam 45601 and allows the first center shaft 32 to freely rotate in the center hole portion of the paper roll dam 45601.
  • the gusset member 34 is fixed on the first vertical mounting frame 11. At one end of the gusset plate, two protruding blocks 51 and 52 are provided, and a gap is formed between the two protruding blocks 51 and 52. At the time of installation, the end of the first end portion of the first center shaft 32 is inserted into the gap, and then a pin 53 is inserted so that the pin 53 penetrates the two projecting blocks 51, 52 and the first center shaft 32, respectively.
  • the first end of the center connector 33 is screwed to the second end of the first central shaft 32, the second end is connected to the first end of the spring 35, and the other end of the spring 35 is in contact with the second vertical mount 16.
  • the inner positioning plate 17 is recessed in the recess so that the central shaft formed by the first central shaft 32, the center connecting member 33 and the spring 35 can be mounted between the first vertical mounting frame 11 and the second vertical mounting frame 16.
  • the central shaft can be disengaged from the positioning recess of the positioning plate 17 on the inner side of the second vertical mounting frame 16 by the compression spring 35 to become a free end, and the outer shaft 36 can be fitted into the outer shaft 36 so that the outer shaft 36 can be free along the central axis.
  • the printing paper roll is nested on the outer shaft 36, and then the compression spring 35 displaces the spring 35 into the positioning recess of the positioning plate 17 inside the second vertical mounting frame 16, and the central axis is acted upon by the tension of the spring 35. It is firmly fixed between the first vertical mounting frame 11 and the second vertical mounting frame 16 to position the printing paper roll between the paper roll shutter 45601 and the second vertical mounting frame 16.
  • the inner and outer sleeves of the central shaft and the outer shaft 36 are adopted, the friction loss effect of the printing paper roll on the central shaft having the elastic mechanism can be avoided, the printing paper is improved, and the double-layer free sleeve mechanism is adopted. It is advantageous to improve the durability and performance retention of the paper shaft assembly 30.
  • the outer diameters of both ends of the outer shaft 36 it is preferable, but not limited to, to make the outer diameters of both ends of the outer shaft 36 equal and slightly larger than the outer diameter of the middle portion thereof, so that when the printing paper roll is loaded, the printing paper roll does not come into contact with the intermediate portion of the outer circumference, It helps to reduce the friction between the paper roll and the outer circumference, ensuring smooth transfer of the paper.
  • the steel outer shaft 36 can be used, but is not limited to, which is advantageous for improving the smoothness of the outer shaft 36, further reducing the friction between the outer shaft 36 and the printing paper roll, and ensuring smooth conveyance of the printing paper.
  • the load bearing member 10 of the present embodiment is preferably, but not limited to, a member integrally formed by using the horizontal carrier 18, the first vertical mounting frame 11, and the second vertical mounting frame 16, such that the first vertical mounting frame 11
  • the position of the second vertical mounting bracket 16 is absolutely fixed without positional displacement due to the connection error, so that the mounting positions of the components fixed between the first vertical mounting bracket 11 and the second vertical mounting bracket 16 can be ensured.
  • the accuracy is conducive to installation and commissioning.
  • the printer housing 3 of the present embodiment further includes a shutter 45 covering the carrier member 10 for covering the top abnormal rear end surface of the carrier member 10 and the outer surface of the first vertical mounting bracket 11,
  • the motor 19, the tensioning assembly, the rotating wheel assembly and the like are protected in the baffle 45 to protect these key components and prevent dust from falling in.
  • a hole portion may be provided on the baffle 45 to facilitate heat dissipation of the motor 19.
  • a paper cutter 46 may be mounted between the first vertical mount 11 and the second vertical mount 16 of the printer base 3, and the cutter 46 is located below the rubber roller 25 for use. For the user to manually cut the paper. Its installation location and working principle can be, but are not limited to, refer to the prior art.
  • a wire tensioning spring 47 is provided on the inner side of the hole positioning portion 13 on the first vertical mounting frame 11 for tensioning the power supply line for supplying power to the motor 19 and other components passing through the position. Or control the line to avoid the influence of the winding on the winding of the motor 19 to affect the operation of the motor 19.
  • the working principle of the wire tensioning spring 47 can be, but is not limited to, the prior art.
  • a sensor for detecting whether or not there is a printing paper may be mounted beside the paper shaft assembly 30 of the present embodiment, and the sensor may be disposed on the sensor mounting plate 48 so that when there is no printing paper, Remind users to add paper.
  • the front end surface of the printer housing 3 of the present embodiment that is, the front end surface of the carrier member 10 is further covered with a front cover 49 on which a handle for user-friendly operation is mounted. 50.
  • the printer base 3 of the above structure is particularly suitable for data printing for aircraft requiring compact structure Machine, but it can also be applied to other printers.
  • the printer provided in this embodiment mainly includes: a housing 1, a power driving component 2, a printer base 3, a print head assembly 4, and a control module 5.
  • the connection relationship and working principle are as follows:
  • the casing 1 serves as a casing for the printer of this embodiment for accommodating various components of the printer.
  • the power drive assembly 2 is mounted on the rear end of the housing 1.
  • the power drive assembly 2 is modular in design and can be easily removed from the rear end of the housing 1.
  • the power drive assembly 2 is used for the printer base 3
  • the print head assembly 4 and the control module 5 provide drive power. For further details of the structure and operation, see the description of Example 4.
  • the printer base 3 is mounted on the front end of the housing 1, which is modular in design and can be easily removed from the front end of the housing 1.
  • the printer base 3 acts as the main power unit for the printer, driving the print head and enabling the transfer of paper.
  • the space between the printer base 3 and the power drive assembly 2 is spaced apart.
  • the printhead assembly 4 which is fixed within the housing 1 and below the bottom of the printer housing 3, causes the rubber rollers on the printer housing 3 to press against the top surface of the printhead assembly 4.
  • the printhead assembly 4 is used for printing under the control of the printer base 3.
  • a control module 5 is mounted on the top of the housing 1 for controlling the operation of the printer base 3, as well as the printhead assembly 4.
  • the printer structure of the embodiment adopts a modular design, and has the advantages of compact structure, convenient assembly, easy debugging and maintenance, and is particularly suitable for an aircraft data printer.
  • the print head assembly 4 of the present embodiment mainly includes the following components: an adjustment plate 101, a spring piece 102, a mounting plate 103, and a print head 104. Its assembly structure is as follows:
  • the adjustment plate 101 serves as the main load bearing member of the present print head assembly 4 for mounting the spring piece 102 and the mounting plate 103.
  • a horizontal groove 1011 is disposed on the top surface of the adjusting plate 101.
  • the spring piece 102 is restrained in the groove 1011.
  • the two ends of the spring piece 102 respectively interfere with the end of the groove 1011, and the groove 1011 faces the spring piece 102.
  • the limit is set to prevent the spring piece 102 from moving left and right and front and rear in the horizontal direction.
  • the spring piece 102 of the embodiment has an elongated shape, and the spring piece 102 is bent at a midpoint position, and an angle a greater than zero degrees less than 180 degrees is formed at the midpoint, and the apex of the angle a is the spring piece 102. At the midpoint, the spring piece 102 is always in a slightly compressed state.
  • the mounting plate 103 of the present embodiment serves as a mounting frame for mounting the print head 104, and the front end of the mounting plate 103 is hingedly connected to the front end of the adjustment plate 101 so that the mounting plate 103 can be along the hinge connection portion between the mounting plate 103 and the adjustment plate 101.
  • a screw hole 1030 is disposed in the middle of the mounting plate 103.
  • the center of the screw hole 1030 is opposite to the midpoint of the spring piece 102.
  • a screw 1051 is fixed in the screw hole 1030 to pass the screw 1051 through the clamp.
  • the inner side of the corner a is in conflict with each other.
  • the apex of the angle a of the middle portion of the spring piece 102 is covered by the print head 104.
  • the upper and lower sides of the screw 1051 and the print head 104 act.
  • the apex (ie, the midpoint) of the spring piece 102 is fixed by the print head 104 and the upper and lower clamping spring pieces 102 of the screw 1051 between the print head 104 and the mounting plate 103, and the apex of the angle a on the spring piece 102 (middle The point) is the elastic support point of the spring piece 102 to the print head 104, and is also the only elastic support point.
  • the print head 104 of the present embodiment is fixed to the top surface of the mounting board 103, and the print head 104 serves as a printing member, which may be, but is not limited to, a thermal print head 104 that passes under the print head 104.
  • the heating of the paper causes the paper to be partially carbonized to form a handwriting for printing.
  • the working principle of the print head assembly 4 is that when the print head is required to print, the rubber roller for pulling the paper on the top surface of the printer head assembly (specifically, the top surface of the print head 104) presses down the paper. Suspending the transfer of paper to the printhead 104, at this time the rubber roller (not shown in the drawings, its arrangement and structure can be seen in the prior art) has downward pressure on the print head 104, the print head 104 moves downward, and the print head 104 is tight. Press the paper to print the data.
  • the print head 104 drives the mounting plate 103 to flip down slightly, and the print head 104 and the mounting plate 103 exert a downward force on the apex of the angle a on the spring piece 102.
  • the spring pieces 102 on both sides are further compressed.
  • the print head 104 moves upward, the mounting plate 103 is slightly turned up, and the rubber roller feeds the paper to the print head 104; when the paper is fed to a predetermined position, Then, the rubber roller presses down the paper, presses the print head 104 down to print another line, and returns to the above cycle to realize multiple lines of data printing.
  • the technical solution of the embodiment is applied. Since the spring piece 102 of the embodiment adopts an elongated spring piece 102, and the spring piece 102 is limited to the groove 1011 of the adjusting plate 101, the limit of the groove 1011 is Under the position, the spring piece 102 cannot move in the horizontal direction (including any of the left and right front and rear directions), and the positional stability of the spring piece 102 can be ensured, thereby preventing the spring piece 102 from being displaced due to the displacement. The problem that the spring does not uniformly support the print head 104.
  • the apex of the angle a of the midpoint position of the spring piece 102 of the present embodiment is fixed between the print head 104 and the mounting plate 103, so that the bottom surface of the groove 1011 of the adjusting plate 101 is in the shape of an isosceles triangle, with a spring
  • the apex angle of the angle a of the sheet 102 serves as the only support point for supporting the print head 104, making the elastic support position of the print head 104 unique, and ensuring that the spring piece 102 is compressed and rebounded at any point during the rebound.
  • the force of the spring end will always be consistent and balanced, so that it can ensure that the position of the support force of the spring piece 102 against the print head 104 will not change due to the loss of use even during the operation of the print head assembly 4, and will not be due to Because the angles a on both sides of the spring piece 102 are inconsistent due to different forces, the uneven support force of the spring piece 102 on the print head 104 causes the print head 104 to tilt and the like.
  • the frictional force between the print head 104 and the paper may be inconsistent, and the printing paper may be inclined, the printing marks may be different in depth and the writing may be blurred. And other issues.
  • the print head can be flat and stable. Maintaining balance, and if any or part of the four spring pieces 102 are either worn out or damaged during printing, the print head 104 will cause tilting of the print head due to uneven support force received. Therefore, with the prior art, problems such as paper transfer offset, print mark depth, and blurred print marks are apt to occur.
  • the adjustment plate 101 and the mounting plate 103 may also be, but are not limited to, the following hinge connection structure:
  • a first protrusion 1012 and a second protrusion 1013 protruding upward are disposed at a left end of the front end of the adjustment plate 101, and a first gap 1014 is formed between the first protrusion 1012 and the second protrusion 1013.
  • the first hole portion 1015 of the bump 1012 and the second bump 1013 are respectively disposed horizontally right and left;
  • a third protrusion 1016 and a fourth protrusion 1017 are formed on the right end of the front end of the adjustment plate 101, and a second gap 1018 is formed between the third protrusion 1016 and the fourth protrusion 1017.
  • the bump 1016 and the fourth bump 1017 are respectively provided with a second hole portion 1019 which is horizontally right and left facing each other;
  • a fifth protrusion 1031 extending toward the front is provided at a left end of the front end of the mounting plate 103, and a third hole 1032 is provided in the fifth protrusion 1031 at a right end of the front end of the mounting plate 103.
  • the sixth bump 1033 is provided with a fourth hole portion 1034 in the sixth bump 1033;
  • the fifth bump 1031 on the mounting plate 103 is embedded in the first gap 1014, and the width of the fifth bump 1031 is almost equal to the width of the first gap 1014. That is, it is in contact with the opposite sides of the first bumps 1012 and the second bumps 1013 on both sides, so that it cannot move left and right, and then the first rotating shaft 1061 is inserted, so that the first rotating shaft 1061 penetrates the first hole portion 1015 and the third portion. Hole portion 1032.
  • the sixth bump 1033 on the mounting plate 103 is embedded in the second gap 1018, and the width of the sixth bump 1033 is almost equal to the width of the second gap 1018, that is, the two sides are The opposing faces of one of the bumps 1012 and the second bumps 1013 are in contact with each other and cannot move left and right. Then, the second rotating shaft 1062 is inserted, and the second rotating shaft 1062 is sequentially inserted through the third hole portion 1032 and the fourth hole portion 1034. At this time, the mounting plate 103 can be flipped in a vertical plane along the first rotating shaft 1061 and the second rotating shaft 1062 on the same straight line to perform a hinge movement.
  • the use of the above-mentioned hinge connection structure can ensure that the mounting plate 103 can only be flipped in a vertical plane (ie, a hinge movement) without horizontal displacement, further avoiding a change in the spring midpoint position due to the horizontal displacement of the mounting plate 103.
  • the print head 104 is tilted to cause the above-mentioned paper to be skewed, resulting in problems such as uneven print marks and unclear print marks.
  • a convex positioning portion protruding toward the rear end may be disposed on the rear end surface of the mounting plate 103; and a vertical surface on the adjusting plate 101 and the rear end surface of the mounting plate 103.
  • the recess 10110 is also recessed in a corresponding direction, and the height of the recess 10110 is made larger than the height of the convex positioning portion at the rear end of the mounting plate 103.
  • the protruding positioning portion of the rear end surface of the mounting plate 103 is restrained in the recess 10110 of the adjusting plate 101, so that when the mounting plate 103 is turned over, after the mounting plate 103 is mounted
  • the projection positioning portion of the end face i.e., the outermost end of the hinge movement
  • the adjustment plate 101 is further provided with a fifth hole portion 10111 and a sixth hole portion 10112 that vertically penetrate vertically.
  • Two screw holes 1035 perpendicularly penetrating are disposed on the mounting plate 103 opposite to the fifth hole portion 10111 and the sixth hole portion 10112, and the bottom surface of the print head 104 and the fifth hole portion 10111 and the sixth hole portion are respectively provided.
  • the 10112 upper and lower facing positions are also provided with two screw holes 1041 (one of which is not visible in FIG. 1) which penetrates or does not penetrate, and the fifth hole portion 10111 and the sixth hole portion 10112 are provided.
  • the inner diameter is larger than the mounting plate 103 and the screw holes 1035, 1041 on the print head 104.
  • the first screw 1052 and the second screw 1053 are respectively passed through the first hole portion 1015 and the second hole portion 1019 of the adjusting plate 101, and the first screw 1052 and the second screw 1053 are respectively connected to the mounting plate 103 and the screw on the print head 104.
  • the holes 1035 and 1041 are fixedly screwed and fixed, and the mounting plate 103 and the print head 104 are fixedly coupled together.
  • the mounting plate 103 is reversed along the hinge connecting portion thereof with the adjusting plate 101, the first screw 1052 and the second screw 1053 are freely movable in the fifth hole portion 10111 and the sixth hole portion 10112 without being affected by the fifth hole portion 10111,
  • Employing this structure facilitates the realization of a small-volume printhead assembly 4.
  • two vertically protruding blocks 1036, 1037 opposite to the horizontal direction may be disposed at the front end of the mounting plate 103, and the two protruding blocks are higher than the print head 104 by the two vertical protruding blocks 1036. , 1037 is used as the edge guide of the paper conveyed to the print head 104 to avoid paper deviation.
  • the angle a of the middle portion of the spring piece 102 may be set to an obtuse angle (for example, 150 degrees). It is further advantageous to make the supporting force of the spring piece 102 to the print head 104 relatively smooth to ensure the support stability to the print head 104.
  • the horizontal end spring segment 1021 is bent horizontally upward relative to the spring segment 1022 of the angle a.
  • the angle that is, the horizontal end spring segment 1021 forms an obtuse angle with the spring segment 1022 near the angle a.
  • the bent bottom surface of the bottom surface of the spring piece 102 and the bottom surface of the recess 1011 facilitates less horizontal friction of the spring piece 102, avoids displacement of the spring piece 102, and reduces wear of the spring piece 102.
  • the two horizontal end spring segments 1021 of the spring piece 102 may be at an acute angle with respect to the top surface of the recess 1011 without requiring too much bending.
  • the regulating plate 101 of the present embodiment is composed of a rear cover 10113 and a front end plate 10114 which are integrally formed with each other.
  • the groove 1011 is disposed on the top surface of the front end plate 10114, and the mounting plate 103 is also fixed on the front end plate 10114.
  • the rear cover 10113 is located at the rear of the front end plate 10114 and has an "n"-shaped convex structure, and the top surface of the rear cover 10113 is higher than the top surface of the front end plate 10114. This results in a high to low change from the rear cover 10113 to the printhead 104, facilitating paper feed to the printhead 104.
  • the printhead assembly 4 of the above construction is particularly suitable for use in a compact data printer for aircraft, but can be applied to other printers as well.
  • the present embodiment provides a power drive assembly 2 suitable for use in a printer.
  • the power source drive unit 2 of this embodiment is mainly used as a power source driving unit of the printer.
  • the power drive assembly 2 of the present embodiment mainly includes a joint assembly 4101, a rear cover 4102, a frame 4103, a power supply circuit board 4104, a shield 4105, and a drive circuit board 4106. Its connection structure and working principle are as follows:
  • a power interface and a data interface for external connection are provided on the connector assembly 4101 for power supply access and external communication data connection, and the like.
  • the frame 4103 includes a vertical plate 41031, a first side plate 41032, and a second side plate 41033, both of which are upright.
  • the first side plate 41032 and the second side plate 41033 are respectively disposed on the left and right sides of the vertical plate 41031, and form a "work" shape on the vertical plate 41031 perpendicular to the vertical plate 41031.
  • the four apexes on the rear cover 4102 are provided with screw holes 440121 extending horizontally in the front and rear.
  • the rear cover 4102 is fixed to the rear end surface of the joint assembly 4101, and the rear cover 4102 is fixed to the frame through the screws penetrating through the front and rear.
  • the joint assembly 4101 can be fixed to the rear end of the frame 4103 on the rear end surface of the vertical plate 41031 of the 4103, so that the joint assembly 4101 protrudes outside the rear cover 4102 when the power drive assembly 2 of the embodiment is mounted on the printer.
  • the connector assembly 4101 can extend out of the rear cover of the printer to facilitate wire connection.
  • the power circuit board 4104 is used to supply power to the control module 5 and the driving circuit board 4106 of the printer.
  • the power circuit board 4104 is fixed to the front end surface of the vertical plate 41031 of the frame 4103 by screws, and the left and right limits are limited to the first side plate 41032, Between the two side plates 41033.
  • the shield 4105 is bent, and is bent toward the side of the frame 4103 near the top portion of the shield 4105, so that when the top of the shield 4105 and the left and right horizontal fixing pieces of the top of the frame 4103 pass through the vertically penetrating screws A space is formed between the rear end surface of the shield 4105 and the front end surface of the frame 4103 when the connection is fixed, and the power supply circuit board 4104 is located in the space.
  • the drive circuit board 4106 is used to drive the motor of the printer, and the drive circuit board 4106 is fixed to the rear end face of the shield 4105 by horizontally extending screws.
  • the joint assembly 4101, the rear cover 4102, and the frame 4103 are sequentially installed from the back to the front, on the front side of the frame 4103.
  • a power circuit board 4104, a shield 4105, and a drive circuit board 4106 are sequentially connected from the back to the front, and they are all located on the frame 4103, and a structurally stable and compact modular structure is formed on the frame 4103, which is particularly Suitable for miniaturized design of the device.
  • the first side 441051 and the second side 441052 of the upright first side 441051 and the second side 441052 may be further disposed on the left and right sides of the shield 4105, respectively.
  • the rear end surface of the 4105 extends and extends.
  • the first side edge 441051 and the second side edge 441052 are respectively provided with screw holes penetrating left and right.
  • the guard plate 4105 is fixed on the frame 4103, the guard plate is further screwed.
  • the first side edge 441051 and the second side edge 441052 on the left and right sides of the 4105 are connected to the first side plate 41032 and the second side plate 41033 of the frame 4103, thereby fixing the guard plate 4105 to the frame 4103 more firmly.
  • the structure is compact and stable.
  • the hollowed out viewing windows 41034, 41035 may be disposed on the first side plate 41032 and the second side plate 41033 of the frame 4103 so that the power supply circuit can be observed from both sides of the frame 4103.
  • the circuit board 4106 is driven to further facilitate maintenance, and is advantageous for improving the driving heat dissipation effect of the power circuit driving circuit board 4106.
  • a hollowed out viewing window 441053 may also be disposed at the top of the shield 4105 so that the power circuit drive circuit board 4106 can be viewed from the top and the front of the shield 4105 to further facilitate maintenance, and It is beneficial to improve the driving heat dissipation effect of the power circuit driving circuit board 4106.
  • a hollowed out viewing window 441022 may also be disposed on the rear cover 4102 of the present embodiment so that the power circuit driving circuit board 4106 can be viewed from the rear cover 4102 to further facilitate maintenance, and It is beneficial to improve the driving heat dissipation effect of the power circuit driving circuit board 4106.
  • the first side plate 41032 and the second side plate 41033 of the frame 4103 are respectively provided with a first bending edge 41036 and a second bending edge 41037 which are bent inwardly.
  • the first bending edge 41036 and the second bending edge 41037 are respectively provided with horizontally extending screw holes.
  • the driving circuit board 4106 is fixed on the shielding plate 4105, the driving circuit board 4106 is limited to the first bending edge.
  • the bending edge 41036, the second bending edge 41037 and the screw hole of the driving circuit board 4106 are screwed into the front and rear screws, and the driving circuit board 4106 and the first bending edge 41036 and the second bent side 41037 are provided with a pad spring washer on the screw connection portion to tightly connect the driving circuit board 4106 to the frame 4103, thereby further improving the stability of the connection and the convenience of disassembly.
  • the power supply component 2 of the technical solution of the embodiment adopts a modular design, and the assembly and debugging of the main components can be completed externally.
  • the assembly and assembly of the components are convenient. It is compact and orderly, especially suitable for aircraft data printers with small volume requirements and light structure.

Abstract

一种打印机机座（3）及带该机座的打印机以及飞机用数据打印机。机座包括：承载构件（10）；电机（19）；转动轮组件，包括主动轮（21）以及从动轮（22）；胶辊（25），与从动轮的转轴（23）连接，设置在打印机的打印头（4）的顶部；张紧组件，包括：滑块（27）、导杆（28）以及弹簧（29），弹簧始终处于被压缩状态对滑块始终有张力作用力，当弹簧被压缩或者拉伸时，滑块可沿导杆前后移动，在滑块上还设置有一张紧轮（5011），张紧皮带（24）绕过张紧轮，在弹簧对滑块的张力作用下，张紧皮带保持张紧状态；纸轴组件（30），固定在第一垂直安装架（11）、第二垂直安装架（16）之间，呈水平状地悬空于水平承载架（18）上方，用于安装打印纸卷。应用该技术方案，有利于提高打印机的性能的一致性以及保持性。

Description

打印机机座及带该机座的打印机以及飞机用数据打印机 技术领域
本发明涉及打印机领域，特别涉及一种打印机机座及带该机座的打印机以及飞机用数据打印机。
背景技术
随着中国综合国力的显著提升，社会经济的快速发展，中国民航运输市场呈现了巨大的需求。2012年，中国总运输量比十年前的中国增长了3倍，但与欧美相比还有很大差距。按照中国民航业发展规划，要让95％的县级地区和95％的人口享受民航服务。根据预测，未来20年，仅中国市场就需要新增近0架各型民用飞机，总价值高达5600多亿美元。飞机制造多年以来依赖国外公司，对国家来说是一项短板，所以飞机部件国产化对国家制造能力的整体水平和能级，这不仅具有重要的经济、政治意义，还具有特殊的国家安全战略意义。
目前国内的民航客机大概在2000架左右，其中波音和空客系列的大型客机占有90％左右，而其中飞机用数据打印机都是由国外公司设计生产，国内无公司生产。而数据打印机作为现代民用航空器(如波音、空客等)的必备机载部件，可以与航空通信地址与报告系统或飞行数据记录系统通信，打印相关飞行信息。此类部件主要是上个世纪80年代的产品，由于部件年代久远，该部件可靠性降低，故障率高；同时，由于当时的技术限制，导致打印机电路和结构设计复杂，对于打印机的检测和维修带来很大的不便。
发明内容
本发明实施例目的之一在于提供一种打印机机座及带该机座的打印机以及飞机用数据打印机。应用该技术方案，有利于提高打印机的性能的一致性以及保持性。
本发明实施例提供的一种打印机机座，包括：
承载构件，由水平承载架、以及位于所述水平承载架左右两端的第一垂直安装架、第二垂直安装架构成；
电机，固定在所述水平承载架上；
转动轮组件，包括主动轮以及从动轮，其中所述主动轮与所述电机的转轴连接，所述主动轮与所述从动轮通过张紧皮带连接；
胶辊，与所述从动轮的转轴连接，设置在所述打印机的打印头的顶部，用于向所述打印头送纸；
张紧组件，包括：滑块、导杆以及弹簧，所述滑块以及弹簧并排限位在在水平凹槽内，所述水平凹槽位于设置在所述第一垂直安装架的外侧立面上，所述弹簧始终处于被压缩状态，对所述滑块有张力作用力，所述导杆前后贯穿伸入所述水平凹槽，且贯穿所述弹簧以及滑块，当所述弹簧被压缩或者拉伸时，所述滑块可沿所述导杆前后移动，在所述滑块上还设置有一张紧轮，所述张紧皮带还绕过所述张紧轮，在所述弹簧对所述滑块的张力作用下，所述张紧皮带保持张紧状态；
纸轴组件，固定在所述第一垂直安装架、第二垂直安装架之间，呈水平状地悬空于所述水平承载架上方，用于安装打印纸卷，从所述纸轴组件出来的打印纸经过所述胶辊被传送至所述打印头的下方，以供所述打印头打印。
可选地，在所述第一垂直安装架上还设置有左右贯穿的孔部定位部，
所述电机的轴承贯穿所述孔部定位部，且所述轴承的外周与所述孔部定位部的内周相接触。
可选地，在所述第一垂直安装架上还设置有四个左右贯穿的定位螺孔，所述孔部定位部位于四所述定位螺孔的中心；
通过四个螺栓分别贯穿四所述定位螺孔、以及所述电机的轴承端面的螺孔，将所述电机固定在所述第一垂直安装架上。
可选地，所述定位螺孔的深度大于所述孔部定位部的深度。
可选地，在所述第一垂直安装架、第二垂直安装架上还设置有水平正对的胶辊定位孔，在各胶辊定位孔上分别固定有第一胶辊轴座、第二胶辊轴座；
所述从动轮的转轴贯穿所述第一胶辊轴座的轴孔，可沿所述第一胶辊轴座的轴孔旋转；
所述胶辊的转轴贯穿所述第二胶辊轴座的轴孔，可沿所述第二胶辊轴座的轴孔旋转。
可选地，所述纸轴组件的安装位置高于所述胶辊。
可选地，所述纸轴组件的安装位置位于所述胶辊的后端。
可选地，还包括：导向板，固定在所述第一垂直安装架、第二垂直安装架之间，且安装位置位于所述纸轴组件与所述胶辊之间，从所述纸轴组件出来的所述打印纸绕过所述导向板到达所述胶辊。
可选地，还包括：
指示器扣件，安装在所述第二垂直安装架上与所述第一垂直安装架相对 的内侧，
指示器，包括相互成一夹角的第一臂、第二臂，
所述第一臂固定在所述指示器扣件的安装板上，该安装板伸出在所述第二垂直安装架的外侧，所述第二臂可在所述第二垂直安装架的外侧面沿所述第一臂与所述指示器扣件的连接处旋转，在所述第一臂与第二笔之间连接有弹簧，所述弹簧处于被压缩状态，在所述弹簧的张力下，所述第二臂的末端始终抵在所述纸轴组件上的打印纸卷外，对所述打印纸卷有张力的作用力，所述第二臂用于指示所述打印纸卷当前的纸量。
可选地，所述纸轴组件包括：
卷纸挡板，
第一中心轴，第一端部从所述卷纸挡板的孔部伸出，且可沿在所述孔部内自由旋转；
中心连接件，第一端部与所述第一中心轴的第二端部旋接；
扣板件，所述扣板件固定在所述第一垂直安装架上，在所述扣板上设置有两伸出块，在两所述伸出块之间间隔有一间隙，所述第一中心轴的第一端部的末端限位在所述间隙内，一销钉贯穿在两所述伸出块以及所述第一中心轴之间；
弹簧，一端与所述中心连接件的第二端部连接，另一端抵触在固定在所述第二垂直安装架内侧的定位板的定位凹位内；
外轴，套在由所述第一中心轴、中心连接件以及弹簧构成中心轴外，所述外周可沿所述内轴自由旋转。
可选地，所述外轴为钢轴。
可选地，所述定位板由钢制成。
可选地，所述外轴的中间段的外径小于所述外轴的两末端的外径，且两末端的外径相同。
可选地，所述水平承载架、第一垂直安装架、第二垂直安装架为一体化成型的构件。
本实施例提供的一种打印机以及飞机用数据打印机，其包括上述之任一所述的打印机机座。
由上可见，由于本实施例绕在主动轮和从动轮之间的张紧皮带上还进一步绕过张紧组件上的张紧轮，从而可以确保张紧皮带始终处于张紧状态，即使张紧皮带由于使用损耗而导致其张力变化时，由于张紧组件上弹簧对滑块的张力作用，在滑块上的张紧轮对张紧皮带的作用下，张紧轮可以对张紧皮 带进行自适应的调整，确保张紧皮带的张力始终保持一致，有利于提高打印机的性能的一致性以及保持性。
而在现有技术中，由于电机、主动轮、从动轮以及胶辊的安装均采用螺钉连接，在螺钉拧紧时不免存在定位误差，故在进行安装调试时既要顾及电机的安装稳定性还要顾及张紧皮带的张紧度，故在实际安装调节时需要通过反复调整安装才可以找到张紧的最佳状态，而采用本实施例技术方案，通过调整弹簧29的压缩程度，即可将张紧皮带的张力自适应地调整达到要求的张力状态，其安装、调试更加精确、易于操作。
附图标记：
10：承载构件；    11：第一垂直安装架；  12：水平凹槽；
13：孔部定位部；  14：定位螺孔；        15：胶辊定位孔；
16：第二垂直安装架；17：定位板；        18水平承载架；
19：电机；        20：轴承；            21：主动轮；
22：从动轮；      23：转轴；            24：张紧皮带；
25：胶辊；        26：胶辊轴座；        27：滑块；
28：导杆；        29：弹簧；            30：纸轴组件；
31：卷纸挡板；    32：第一中心轴；      33：中心连接件；
51、52：伸出块；  53：销钉；            34扣板件；
35：弹簧；        36：外轴；            37：螺栓；
38：指示器扣件；  39：安装板；          40：指示器；
41：第一臂；      42：第二臂；          43：弹簧；
44：导向板；      45：挡板；            46：裁纸刀；
47：拉线张紧弹簧；48：传感器安装板；    49：前盖板；
50：提手；
1：壳体；         2：电源驱动组件；     3：打印机机座；
4：打印头组件；   5：控制模块；         6：间隔护板；
101：调节板；     1011凹槽；            1012：第一凸块；
1013：第二凸块；  1014：第一间隙；      1015：第一孔部；
1016：第三凸块；  1017：第四凸块；      1018：第二间隙；
1019：第二孔部；  10110：凹位；         10111第五孔部；
10112：第六孔部； 10113：后盖板；       10114前端板；
102：弹簧片；                           1021：水平末端弹簧片段；
1022：相对靠近夹角的弹簧段；                 103：安装板；
1030：螺孔；           1031：第五凸块；      1032：第三孔部；
1033：第六凸块，       1034：第四孔部；      1035：螺孔；
1036、1037：垂直凸起块；                     104：打印头；
1041：孔；             1051：螺钉；          1052：第一螺钉；
1053：第二螺钉；       1061：第一转轴；      1062第二转轴。
4101：接头组件；       102：后盖板；         41021：螺孔柱；
41022：观察窗；        4103：机架；          41031：立板；
41032：第一侧板；      41033：第二侧板；     41034、41035：观察窗；
41036：第一弯折边；    41037：第二弯折边；   4104：电源电路；
4105：护板；           41051：第一侧边；     41052：第二侧边；
41053：观察窗；        4106：驱动电路板。
具体实施方式
下面将连接附图以及具体实施例来详细说明本发明，在此本发明的示意性实施例以及说明用来解释本发明，但并不作为对本发明的限定。
实施例1：
参见图1、2所示，本实施例提供的打印机机座3，主要包括：承载构件10、电机19、转动轮组件、胶辊25、张紧组件以及纸轴组件30。其连接关系以及工作原理如下：
承载构件10作为本打印机基座的主要部件的主要承载机构，其由水平承载架18、第一垂直安装架11、以及第二垂直安装架16构成。第一垂直安装架11、以及第二垂直安装架16分别位于所述水平承载架18的左右两边。
电机19用于带动用于向打印头传送打印纸的胶辊25旋转，该电机19固定在水平承载架18的顶面。
转动轮组件包括主动轮21以及从动轮22，其中主动轮21与电机19相互轴连接，主动轮21与从动轮22通过张紧皮带24连接，胶辊25压紧在打印头组件4的打印头的顶部，用于向打印头传送打印纸，使胶辊25与从动轮22相互轴连接，在电机19的驱动下，电机19带动主动轮21旋转，主动轮21通过张紧皮带24带动从动轮22旋转，从动轮22带动与其轴连接的胶辊25旋转。
张紧组件主要用于防止张紧皮带24松动而影响主动轮21到从动轮22的动力传递，本实施例的张紧组件主要包括：滑块501、导杆28以及弹簧 29。
在本实施例承载构件10的第一垂直安装架11的外侧立面还设置有一沿前后方向延伸的水平凹槽12，该水平凹槽12向第二垂直安装架16方向凹进，在安装时，首先将弹簧29以及滑块501一前一后分别置入在该水平凹槽12内，使其相互并排，且弹簧29在该水平凹槽12内始终处于预定的被压缩状态，然后将导杆28从后端穿入该水平凹槽12，且分别贯穿弹簧29以及滑块501，拧紧该导杆28，即可将弹簧29以及滑块501均固定在水平凹槽12内，且使其仅可在水平凹槽12内前后运动。
在滑块501位于第一垂直安装架11外的立面还设置有一可自转的张紧轮5011，使绕在从动轮22与从动轮22之间的张紧皮带24还绕过滑块501上的张紧轮5011，这样，在弹簧29对滑块501的张力作用下，张紧轮5011始终对皮带有向外拉伸的作用力，张紧皮带24始终保持张紧状态，使滑块501上的轴承在张紧皮带24中其张从而确保主动轮21到从动轮22之间的动力传递，确保动力机构的性能稳固性。
纸轴组件30用于卷放打印纸，其固定在第一垂直安装架11、第二垂直安装架16之间，呈水平状悬空于水平承载架18上方，当在打印时，卷在纸轴组件30上的打印纸从纸轴组件30出来，经过压紧在打印头上的胶辊25，然后被传送至打印头组件4，具体是进入打印头的下方，从其下方经过，在打印时，打印头在其下方的打印纸上进行打印操作形成字迹。
由上可见，采用本实施例的技术方案，由于本实施例绕在主动轮21和从动轮22之间的张紧皮带24上还进一步绕过张紧组件上的张紧轮5011，从而可以确保张紧皮带24始终处于张紧状态，即使张紧皮带24由于使用损耗而导致其张力变化时，由于张紧组件上弹簧29对滑块501的张力作用，在滑块501上的张紧轮5011对张紧皮带24的作用下，张紧轮5011可以对张紧皮带24进行自适应的调整，确保张紧皮带24的张力始终保持一致，有利于提高打印机的性能的一致性以及保持性。
而在现有技术中，由于电机19、主动轮21、从动轮22以及胶辊25的安装均采用螺钉连接，在螺钉拧紧时不免存在定位误差，故在进行安装调试时既要顾及电机19的安装稳定性还要顾及张紧皮带24的张紧度，故在实际安装调节时需要通过反复调整安装才可以找到张紧的最佳状态，而采用本实施例技术方案，通过调整弹簧29的压缩程度，即可将张紧皮带24的张力自适应地调整达到要求的张力状态，其安装、调试更加精确、易于操作。
作为本实施例的示意，本实施例以电机19的转动轴位于第一垂直安装架 11侧为例，在本实施例的第一垂直安装架11上还设置有一左右贯穿的孔部定位部13，在进行电机19安装时，使电机19的轴承20贯穿孔部定位部13，且使的轴承20的外周与孔部定位部13的内周相接触，在孔部定位部13对电机19的轴承20的限位下，电机19被定位不易于发生位移，由于确保电机19的工作稳定性，且安装操作简便。在将电机19的轴承20贯穿孔部定位部13后，采用左右贯穿的螺钉将电机19牢牢地固定在第一垂直安装架11上，且置放在水平承载架18上，电机19对水平承载架18有重力作用。
作为本实施例的示意，还可以在第一垂直安装架11上以孔部定位部13为中心，对称地设置四个左右贯穿的定位螺孔14，且使该定位螺孔14具有一定的深度，且其深度大于定位孔部的深度。在进行电机19安装时，在将电机19的轴承20置入孔部定位部13后，采用螺栓37左右贯穿电机19的端面以及定位螺孔14，从而将电机19牢牢地固定在第一垂直安装架11上，且由于定位螺孔14具有一定的深度，故电机19的位置稳定性更持久，性能更稳定。
作为本实施例的示意，还可以在第一垂直安装架11、第二垂直安装架16上还设置水平左右正对的两胶辊定位孔15，分别将胶辊轴座401固定在该胶辊定位孔15上，在左右正对的两胶辊轴座401之间安装胶辊25，使位于第一垂直安装架11侧与胶辊25轴连接的从动轮22的转轴23贯穿在胶辊轴座401的中心孔部4011，可在中心孔部4011内自转。采用该结构，使的胶辊25的安装位置定位方便，易于安装调试。
作为本实施例的示意，在本实施例中优选但不限于使纸轴组件30的安装位置高度高于胶辊25的安装位置，譬如可以将胶辊定位孔15设置在第一垂直安装架11、第二垂直安装架16的底部，纸轴组件30位于其上前方，采用该设置由于可以顺着打印纸的重力作用与打印纸的传送方向一致，更有利于打印纸的传送，使传送更加顺畅，避免发生卡纸等现象。
参见图1所示，作为本实施例的示意，本实施例的打印机机座3还可以进一步包括用于向用户指示打印纸当前纸量的指示器组件。该指示器组件主要包括：指示器扣件38、指示器40以及弹簧43。
指示器扣件38设定在第二垂直安装架16与第一垂直安装架11相对的内侧。指示器40包括相互成一夹角的第一臂41、第二臂42。第一臂41的末端固定在指示器扣件38上伸出在第二垂直安装架16外侧的安装板39上，使指示器40位于第二垂直安装架16的外侧，第二臂42可沿第一臂41与指示器扣件38的安装板39的连接处旋转，在第一臂41与第二笔之间连接有 弹簧43，弹簧43处于被压缩状态，在弹簧43的张力下，第二臂42的末端始终抵在装在承载构件10前端的纸轴组件30上的打印纸卷外，始终对打印纸卷有压力的作用，当打印纸卷逐渐变少时，第二臂42顺时针向下旋转。这样，可以在第二垂直安装架16的外端面上设置一定的刻度，用户可以观察指示器40当前的位置而了解的打印纸卷的纸量(即卷厚)。
作为本实施例的示意，本实施例的打印机机座3还进一步包括导向板44，该导向板44固定在第一垂直安装架11、第二垂直安装架16之间，且位于纸轴组件30与胶辊25之间，即括导向板44的额安装位置位于纸轴组件30下后方，位于胶辊25的上前方，使从纸轴组件30出来的打印纸绕过导向板44再到达胶辊25，以作为纸轴组件30到胶辊25之间的打印纸传送导向部件，有利于打印纸的顺畅传送，避免卡纸。
参见图3所示，作为本实施例的示意，本实施例的纸轴组件30采用以下结构构成，其主要包括：卷纸挡板45601、第一中心轴32、中心连接件33、扣板件34、弹簧35以及外轴36。
第一中心轴32的第一端部从卷纸挡板45601的中心孔部伸出且使第一中心轴32可沿在卷纸挡板45601的中心孔部内自由旋转。
扣板件34固定在第一垂直安装架11上，在扣板的一端部设置有两设置有孔部的伸出块51、52，在两伸出块51、52之间间隔有一间隙，在安装时，使第一中心轴32的第一端部的末端插入在间隙内，然后插入一销钉53，使销钉53分别贯穿两伸出块51、52以及第一中心轴32。
中心连接件33的第一端部与第一中心轴32的第二端部旋接，第二端部与弹簧35的第一端部连接，弹簧35的另一端抵触在第二垂直安装架16内侧的定位板17的凹位内，这样便可以将由第一中心轴32、中心连接件33以及弹簧35构成的中心轴安装在第一垂直安装架11、第二垂直安装架16之间。在安装时，可以通过压缩弹簧35将中心轴脱离第二垂直安装架16内侧的定位板17的定位凹位而成为自由端，往中心轴外套入外轴36使外轴36可以沿中心轴自由旋转，在外轴36上套入打印纸卷，然后压缩弹簧35将弹簧35移位到第二垂直安装架16内侧的定位板17的定位凹位内，通过弹簧35的张力作用即可使中心轴牢牢地固定在第一垂直安装架11、第二垂直安装架16之间，使打印纸卷限位在卷纸挡板45601与第二垂直安装架16之间。采用该本实施例技术方案结构，由于采用中心轴、外轴36内外套装结构，可以避免打印纸卷对具有弹力机构的中心轴的摩擦损耗作用，提高打印纸且采用双层自由轴套机构，有利于提高纸轴组件30的耐用性以及性能保持性。
作为本实施例的示意，优选但不限于使外轴36两端的外径相等且略大于其中间段的外径，从而当装上打印纸卷时，打印纸卷不与外周的中间段接触，有利于减少打印纸卷与外周之间的摩擦力，确保打印纸顺畅传送。
作为本实施例的示意，可以但不限于采用由钢质外轴36，有利于提高外轴36的光滑程度，进一步减少外轴36与打印纸卷的摩擦力，确保打印纸顺畅传送。
作为本实施例的示意，还可以但不限于选用钢质的定位板17，以提高该定位板17的耐用性。
作为本实施例的示意，本实施例的承载构件10优选但不限于采用水平承载架18、第一垂直安装架11、第二垂直安装架16一体化成型的构件，这样第一垂直安装架11、第二垂直安装架16的位置绝对固定而不存在由于连接误差而导致的位置偏移，这样可以确保固定在第一垂直安装架11、第二垂直安装架16之间的各部件的安装位置的精确度，有利于安装、调试。
作为本实施例的示意，本实施例的打印机机座3还包括挡板45，其覆盖在承载构件10上，用于覆盖承载构件10的顶部异常后端面以及第一垂直安装架11的外面，以将电机19、张紧组件、转动轮组件等部件保护在挡板45内，对这些关键部件起保护作用，且避免灰尘落入。
作为本实施例的示意，在挡板45上还可以设置有孔部，以有利于电机19散热。
作为本实施例的示意，还可以在本打印机机座3的第一垂直安装架11、第二垂直安装架16之间安装裁纸刀46，该裁纸刀46位于胶辊25的下方，用于供用户手动裁纸。其安装位置以及工作原理可以但不限于参见现有技术。
作为本实施例的示意，在第一垂直安装架11上位于孔部定位部13的内侧还设有一拉线张紧弹簧47，用于拉紧向电机19供电和经过该位置的其他部件的供电线或者控制线，避免导向对电机19的卷绕影响电机19工作。拉线张紧弹簧47的工作原理可以但不限于参见现有技术。
作为本实施例的示意，还可以在本实施例的纸轴组件30旁边安装一用于检测是否还有打印纸的传感器，该传感器可以设置在传感器安装板48上，以便在没有打印纸时，提醒用户加装打印纸。
作为本实施例的示意，在本实施例的打印机机座3的前端面，即承载构件10的前端面还覆盖有前盖板49，在该前盖板49上安装有方便用户操作的提手50。
上述结构的打印机机座3特别适用于要求结构紧凑的飞机用数据打印 机，但也可以应用于其他的打印机。
实施例2：
参见图4、5所示，本实施例提供的打印机，主要包括：壳体1、电源驱动组件2、打印机机座3、打印头组件4、控制模块5。其中连接关系以及工作原理如下：
壳体1作为本实施例打印机的外壳，用于容置打印机的各部件。
其中电源驱动组件2装在壳体1的后端部，电源驱动组件2采用模块化设计，可以从壳体1的后端方便地将其整体拆卸下来，电源驱动组件2用于打印机机座3、打印头组件4以及控制模块5提供驱动电源。进一步的结构以及工作原理详细见实施例4的记载。
打印机机座3装在壳体1的前端，其采用模块化设计，可以从壳体1的前端方便地将其整体拆卸下来。打印机机座3作为打印机的主要动力装置，驱动打印头以及实现打印纸传送。进一步的结构以及工作原理详细见实施例2的记载。
在打印机机座3与电源驱动组件2之间间隔有间隔护板6.
打印头组件4，固定在壳体1内，且位于打印机机座3底部的下方，使打印机机座3上的胶辊压在打印头组件4上的打印头顶面。打印头组件4用于在打印机机座3的控制下进行打印。进一步的结构以及工作原理详细见实施例3的记载。
控制模块5装在壳体1的顶部，用于控制打印机机座3、以及打印头组件4的工作。
由上可见，本实施例的打印机结构采用模块化设计，其结构紧凑、装配方便，易于调试以及维修，特别适用于飞机用数据打印机。
实施例3：
参见图6、7所示，本实施例提供的打印头组件4，其主要包括以下部件：调节板101、弹簧片102、安装板103、打印头104。其装配结构如下：
调节板101作为本打印头组件4的主要承载部件，用于安装弹簧片102、以及安装板103。在调节板101的顶面设置有一水平的凹槽1011，弹簧片102限位在凹槽1011内，弹簧片102的两端分别与凹槽1011的端部相抵触，凹槽1011对弹簧片102进行限位，禁止弹簧片102在水平方向发生左右、前后的运动。
本实施例的弹簧片102为一长条状，弹簧片102在中点位置被弯折，在中点处形成一大于零度小于180度的夹角a，夹角a的顶点即为弹簧片102的中点，弹簧片102始终处于微微被压缩状态。
本实施例的安装板103作为安装打印头104的安装框架，安装板103的前端与调节板101的前端铰链连接，使安装板103可以沿安装板103与调节板101之间的铰链连接部在垂直平面内向上或者向下翻转，形成一可开合的合页结构。在本实施例中，在安装板103的中部还设置有螺孔1030，该螺孔1030的中心与弹簧片102中点相对，在螺孔1030内固定有一螺钉1051，使螺钉1051穿过与夹角a的内侧相抵触，当在打印头104固定在安装板103顶部后，弹簧片102的中部的夹角a的顶点被打印头104覆盖，此时，在螺钉1051与打印头104的上下作用下，弹簧片102的顶点(即中点)被打印头104以及螺钉1051上下夹持弹簧片102被固定在打印头104与安装板103之间，弹簧片102上的夹角a的顶点(中点)即为弹簧片102对打印头104的弹力支撑点，也是唯一的弹力支撑点。
本实施例的打印头104固定在安装板103顶面上，打印头104作为用于打印部件，其可以但不限于为热敏打印头104，热敏打印头104通过对位于打印头104下方的纸张的加热，使纸局部碳化而形成字迹，实现打印。
本打印头组件4的工作原理是，当需要在打印头进行打印时，位于打印机头组件顶面(具体是打印头104的顶面)的、用于牵引纸的胶辊向下压纸，使暂停向打印头104传送纸，此时胶辊(图中未画出，其设置以及结构可以参见现有技术)对打印头104有向下的压力，打印头104向下运动，打印头104紧压在纸上打印数据。
在上述打印头104向下运动过程中，打印头104带动安装板103微微向下翻转，打印头104以及安装板103对弹簧片102上夹角a的顶点施加向下的作用力，夹角a两边的弹簧片102被进一步压缩。
当当前行打印完成时，在被压缩的弹簧片102的弹力反作用力下，打印头104向上运动，安装板103向上微微翻转，胶辊往打印头104送纸；当送纸到预定位置时，再另胶辊向下压紧纸张，下压打印头104向下打印另一行，返回上述的循环，实现数据打印的多行连续。
由上可见，应用本实施例技术方案，由于本实施例的弹簧片102采用一长条状弹簧片102，且弹簧片102限位在调节板101的凹槽1011内，在凹槽1011的限位下，弹簧片102不能在水平方向(包括左右前后方向的任一)移动，可以确保弹簧片102位置的稳固性，避免弹簧片102因为位移而导致 弹簧对打印头104的支撑力不均匀的问题。
并且，本实施例的弹簧片102的中点位置的夹角a的顶点被固定在打印头104以及安装板103之间，使与调节板101的凹槽1011底面呈等腰三角形状，以弹簧片102的夹角a的顶角作为支撑打印头104的唯一支撑点，使打印头104的弹力支撑位置唯一，且确保在弹簧片102被压缩以及回弹过程中的任一时刻夹角a两边的弹簧端的受力均会始终保持一致、平衡，故能确保即使打印头组件4工作过程中，不会由于使用损耗而导致弹簧片102对打印头104的支撑力的位置变化，也不会由于因为夹角a两边弹簧片102由于受力不一而导致损耗不一致而导致弹簧片102对打印头104的支撑力不均匀导致打印头104倾斜等问题。
在实际的打印过程中上，如果弹簧片102对打印头104的支撑力不均匀的话，容易导致打印头104与纸的摩擦力不一致而导致打印纸走纸倾斜，打印痕迹深浅不一、字迹模糊等问题。
而本发明人在进行本实用新型研究过程中发现，现有技术采用四根弹簧片在打印头下方的四个位置支撑打印头，当各弹簧片的弹力相同的情况下，打印头可以四平八稳地保持平衡，而如果在打印过程中，四根弹簧片102中的任一或者部分或者发生损耗或者存在损坏不一，将导致打印头104由于收到的支撑力不均匀而导致打印头倾斜的问题，故采用现有技术，容易出现纸的传送偏移以及打印痕迹深浅、打印字迹模糊等问题。
作为本实施例的示意，调节板101与安装板103之间还可以但不限于采用以下的铰链连接结构：
在调节板101的前端的左端设置有向上凸起的第一凸块1012、第二凸块1013，在第一凸块1012、第二凸块1013之间形成有第一间隙1014，在第一凸块1012、第二凸块1013上分别设置有水平左右正对的第一孔部1015；
在调节板101的前端的右端设置有向上凸起的第三凸块1016、第四凸块1017，在第三凸块1016、第四凸块1017之间形成有第二间隙1018，在第三凸块1016、第四凸块1017上分别设置有水平左右正对的第二孔部1019；
在安装板103的前端的左端设置有向前方延伸凸起的第五凸块1031，在第五凸块1031中设置有第三孔部1032在安装板103的前端的右端设置有向前方延伸凸起的第六凸块1033，在第六凸块1033中设置有第四孔部1034；
当调节板101与安装版103进行铰链连接时，使安装板103上的第五凸块1031嵌入在第一间隙1014中，且使第五凸块1031的宽度几乎等于第一间隙1014的宽度，即：使其与两边的第一凸块1012、第二凸块1013的相对的侧面相抵触而无法左右活动，然后插入第一转轴1061，使第一转轴1061贯穿第一孔部1015、第三孔部1032。
同理，使安装板103上的第六凸块1033嵌入在所述第二间隙1018中，且使第六凸块1033的宽度几乎等于第二间隙1018的宽度，即：使其与两边的第一凸块1012、第二凸块1013的相对的面相抵触而无法左右活动，然后插入第二转轴1062，使第二转轴1062顺次贯穿第三孔部1032、第四孔部1034。此时，安装板103可以沿在同一直线上的第一转轴1061、第二转轴1062在垂直平面内翻转，进行合页运动。
采用上述铰链连接结构能够确保安装板103仅可以在垂直平面内翻转(即进行合页运动)，而不会发生水平方向的位移，进一步避免由于安装板103的水平位移而导致弹簧中点位置变化而导致打印头104倾斜进而导致上述的纸走偏，导致打印痕迹深浅不一，以及打印字迹不清楚等问题。
作为本实施例的示意，还可以在安装板103的后端面上设置一向后端凸起的凸起定位部(图中未可见)；在调节板101上与安装板103后端面的相对垂直面上还相应一向后凹进的凹位10110，且使该凹位10110的高度大于安装板103后端的凸起定位部的高度。将安装板103的前端与调节板101的前端铰链连接时，使安装板103后端面的凸起定位部限位在调节板101的凹位10110内，使安装板103翻转时，安装板103后端面(即合页运动的最外端)的凸起定位部始终限位在调节板101的凹位10110内，进而起到限制安装板103的合页运动的行程的作用。这样，即使由于设备故障或者人为失误而导致打印机受力过大，由于上述设置能够限制安装板103的翻转行程，确保打印头104以及安装板103不会由于打印头104的下压过度，而过度压缩弹簧片102，导致弹簧片102损耗过快或者损坏的问题，有利于提高打印头组件4的使用寿命。
作为本实施例的示意，在调节板101上还进一步设置有垂直上下贯穿的第五孔部10111、第六孔部10112。
在安装板103上与第五孔部10111、第六孔部10112上下正对位置还相应设置有垂直贯穿的两螺孔1035，在打印头104的底面与第五孔部10111、第六孔部10112上下正对位置也设置有贯穿或者不贯穿的两螺孔1041(其中一个在图1中未可见)，且使第五孔部10111、第六孔部10112 的内径大于安装板103以及打印头104上的螺孔1035、1041。分别使第一螺钉1052、第二螺钉1053贯穿调节板101的第一孔部1015、第二孔部1019，且第一螺钉1052、第二螺钉1053分别与安装板103以及打印头104上的螺孔1035、1041固定旋接拧紧，将安装板103以及打印头104固定连接在一起。当安装板103沿其与调节板101的铰链连接部翻转时，第一螺钉1052、第二螺钉1053在第五孔部10111、第六孔部10112中自由运动，不受第五孔部10111、第六孔部10112的限制。采用该结构有利于实现小体积的打印头组件4。
作为本实施例的示意，还可以在安装板103的前端设置相对水平相对的两垂直凸起块1036、1037，且使该两凸起块高于打印头104，以该两垂直凸起块1036、1037作为传送至打印头104的纸的边缘导向部，避免纸张走偏。
作为本实施例的示意，可以但不限于将弹簧片102中部的夹角a设置为钝角(譬如为150度)。使弹簧片102对打印头104的支撑力较为平缓进一步有利于确保对打印头104的支撑稳定性。
作为本实施例的示意，参见图1所示，在本实施例中，在弹簧片102的两水平端部，使该水平末端弹簧片段1021相对靠近夹角a的弹簧段1022水平向上弯折一定角度，即水平末端弹簧片段1021与靠近夹角a的弹簧段1022形成一钝角。这样，弹簧片102与凹槽1011底面的为末端的弯折底面，有利于较少弹簧片102的水平摩擦力，避免弹簧片102位移，以及减少弹簧片102的磨损。
作为本实施例的示意，使弹簧片102两水平末端弹簧片段1021相对于凹槽1011的顶面呈锐角即可，而不需做太大的弯折。
作为本实施例的示意，参见图1、2所示，本实施例的调节板101由相互一体化成型的后盖板10113以及前端板10114组成。其中凹槽1011设置在前端板10114的顶面，且安装板103也固定在前端板10114上，
后盖板10113位于前端板10114的后段，呈″n″形凸起结构，且后盖板10113的顶面高于前端板10114的顶面。这样由后盖板10113到打印头104方向形成由高到低的变化，有利于向打印头104送纸。
另外，由上可见，采用本实施例技术方案，在打印以及送纸的过程中，仅作为打印关键部件的打印头组件4中的打印头104以及位于打印头104下方的安装板103以及弹簧片102运动，其他无需参加打印运动的附加部件静止，有利于提高打印头组件4的稳定性，且能够避免非必要部件连动而导致 结构松动，弹簧片102因为受力过大而导致失效等问题。
上述结构的打印头组件4特别适用于要求结构紧凑的飞机用数据打印机，但也可以应用于其他的打印机。
实施例4：
参见图8、9所示，本实施例提供了一种适用于打印机的电源驱动组件2。本实施例的电源驱动组件2主要作为打印机的电源驱动部件。
本实施例的电源驱动组件2主要包括：接头组件4101、后盖板4102、机架4103、电源电路板4104、护板4105以及驱动电路板4106。其连接结构以及工作原理如下：
在接头组件4101上设置有用于与外部连接的电源接口以及数据接口，以进行电源接入以及外部通信数据连接等。
机架4103包括均呈直立状的立板41031、第一侧板41032以及第二侧板41033。其中第一侧板41032、第二侧板41033分别设置在立板41031的左右两侧，与立板41031相互垂直地与立板41031形成一″工″字形的结构。
在后盖板4102上的四个顶点设置有水平前后贯穿的螺孔柱441021，将该后盖板4102固定在接头组件4101的后端面，通过前后贯穿的螺钉将后盖板4102固定在机架4103的立板41031的后端面上即可将接头组件4101固定在机架4103的后端，使接头组件4101突出在后盖板4102外，当将本实施例的电源驱动组件2装配于打印机时，该接头组件4101可伸出在打印机的后盖板外，便于接线连接。
电源电路板4104用于向打印机的控制模块5以及驱动电路板4106供电，电源电路板4104通过螺钉固定在机架4103的立板41031的前端面，且左右限位在第一侧板41032、第二侧板41033之间。
护板4105呈弯折状，其在靠近护板4105的顶部部分向机架4103所在侧弯折，从而当将护板4105的顶部与机架4103顶部左右的两水平固定片通过垂直贯穿的螺钉固定连接时在护板4105的后端面与机架4103的前端面之间形成有一空间，电源电路板4104位于该空间内。
驱动电路板4106用于驱动打印机的电机，驱动电路板4106通过水平前后贯穿的螺钉固定在护板4105的后端面上。
由上可见，在应用本实施例的电源驱动组件2上，由后到前地顺次安装有接头组件4101、后盖板4102以及机架4103，在机架4103的前端面方 向由后到前顺次连接有电源电路板4104、护板4105以及驱动电路板4106，且他们均位于机架4103上，在机架4103上形成结构稳固且紧凑的模块化结构，该结构特别适用于装置的小型化设计。
当在需要调试或者维修时，维修人员只需要从打印机的后端将该机架4103拆下即可将电源驱动组件2的关键部件拆下，且各部件的安装相互独立，安装位置相互独立、固定，有利于提高安装的便利性。
作为本实施例的示意，在护板4105的左右两侧还可以进一步设置有直立的第一侧边441051、第二侧边441052，的第一侧边441051、第二侧边441052分别往护板4105的后端面方向延伸伸出，在第一侧边441051、第二侧边441052上分别设置有左右贯穿的螺孔，当护板4105固定在机架4103上时，还进一步通过螺钉将护板4105左右两侧的第一侧边441051、第二侧边441052与机架4103的第一侧板41032、第二侧板41033相互连接，从而将护板4105更牢固地固定在机架4103上，且结构紧凑稳固。
作为本实施例的示意，还可以在机架4103的第一侧板41032、第二侧板41033上设置挖空的观察窗41034、41035，以便从机架4103的两侧即可观察到电源电路驱动电路板4106，以进一步便于维修，且有利于提高电源电路驱动电路板4106的驱动散热效果。
作为本实施例的示意，还可以在护板4105的顶部位置设置一挖空的观察窗441053，以便从护板4105顶部以及前部可以观察到电源电路驱动电路板4106，以进一步便于维修，且有利于提高电源电路驱动电路板4106的驱动散热效果。
作为本实施例的示意，在本实施例的后盖板4102上也可以设置挖空的观察窗441022，以便从后盖板4102上可以观察到电源电路驱动电路板4106，以进一步便于维修，且有利于提高电源电路驱动电路板4106的驱动散热效果。
作为本实施例的示意，在机架4103的第一侧板41032、第二侧板41033的后端边缘还分别设置有相对向内弯折的第一弯折边41036、第二弯折边41037。在第一弯折边41036、第二弯折边41037上分别设置有水平前后贯穿的螺孔，在将驱动电路板4106固定在护板4105上时，驱动电路板4106限位于第一弯折边41036、第二弯折边41037的前端面内侧，在驱动电路板4106与第一弯折边41036、第二弯折边41037的螺孔位置正对的位置设置有对应的螺孔，在第一弯折边41036、第二弯折边41037与驱动电路板4106的螺孔中旋入前后贯穿的螺钉，并且在驱动电路板4106与第一弯折边 41036、第二弯折边41037的螺孔连接部位上加垫弹簧垫圈使驱动电路板4106紧紧地连接在机架4103上，进一步提高连接的稳固性，以及拆装的便利性。
综上可见，本实施例技术方案的电源驱动组件2，其采用模块化设计，主要部件的装配、调试可以在外部完成，当电源电路板4104损坏时，且组件的拆装方便。且结构紧凑有序，特别适用于体积要求较小、结构轻便的飞机用数据打印机。
以上所述的实施方式，并不构成对该技术方案保护范围的限定。任何在上述实施方式的精神和原则之内所作的修改、等同替换和改进等，均应包含在该技术方案的保护范围之内。

Claims (16)

  1. 一种打印机机座，其特征是，包括：
    承载构件，由水平承载架、以及位于所述水平承载架左右两端的第一垂直安装架、第二垂直安装架构成；
    电机，固定在所述水平承载架上；
    转动轮组件，包括主动轮以及从动轮，其中所述主动轮与所述电机的转轴连接，所述主动轮与所述从动轮通过张紧皮带连接；
    胶辊，与所述从动轮的转轴连接，设置在所述打印机的打印头的顶部，用于向所述打印头送纸；
    张紧组件，包括：滑块、导杆以及弹簧，所述滑块以及弹簧并排限位在在水平凹槽内，所述水平凹槽位于设置在所述第一垂直安装架的外侧立面上，所述弹簧始终处于被压缩状态，对所述滑块有张力作用力，所述导杆前后贯穿伸入所述水平凹槽，且贯穿所述弹簧以及滑块，当所述弹簧被压缩或者拉伸时，所述滑块可沿所述导杆前后移动，在所述滑块上还设置有一张紧轮，所述张紧皮带还绕过所述张紧轮，在所述弹簧对所述滑块的张力作用下，所述张紧皮带保持张紧状态；
    纸轴组件，固定在所述第一垂直安装架、第二垂直安装架之间，呈水平状地悬空于所述水平承载架上方，用于安装打印纸卷，从所述纸轴组件出来的打印纸经过所述胶辊被传送至所述打印头的下方，以供所述打印头打印。
  2. 根据权利要求1所述的打印机机座，其特征是，
    在所述第一垂直安装架上还设置有左右贯穿的孔部定位部，
    所述电机的轴承贯穿所述孔部定位部，且所述轴承的外周与所述孔部定位部的内周相接触。
  3. 根据权利要求1所述的打印机机座，其特征是，
    在所述第一垂直安装架上还设置有四个左右贯穿的定位螺孔，所述孔部定位部位于四所述定位螺孔的中心；
    通过四个螺栓分别贯穿四所述定位螺孔、以及所述电机的轴承端面的螺孔，将所述电机固定在所述第一垂直安装架上。
  4. 根据权利要求1所述的打印机机座，其特征是，
    所述定位螺孔的深度大于所述孔部定位部的深度。
  5. 根据权利要求1所述的打印机机座，其特征是，
    在所述第一垂直安装架、第二垂直安装架上还设置有水平正对的胶辊定位孔，在各胶辊定位孔上分别固定有第一胶辊轴座、第二胶辊轴座；
    所述从动轮的转轴贯穿所述第一胶辊轴座的轴孔，可沿所述第一胶辊轴座的轴孔旋转；
    所述胶辊的转轴贯穿所述第二胶辊轴座的轴孔，可沿所述第二胶辊轴座的轴孔旋转。
  6. 根据权利要求1所述的打印机机座，其特征是，
    所述纸轴组件的安装位置高于所述胶辊。
  7. 根据权利要求1所述的打印机机座，其特征是，
    所述纸轴组件的安装位置位于所述胶辊的后端。
  8. 根据权利要求1所述的打印机机座，其特征是，还包括：导向板，固定在所述第一垂直安装架、第二垂直安装架之间，且安装位置位于所述纸轴组件与所述胶辊之间，从所述纸轴组件出来的所述打印纸绕过所述导向板到达所述胶辊。
  9. 根据权利要求1所述的打印机机座，其特征是，还包括：
    指示器扣件，安装在所述第二垂直安装架上与所述第一垂直安装架相对的内侧，
    指示器，包括相互成一夹角的第一臂、第二臂，
    所述第一臂固定在所述指示器扣件的安装板上，该安装板伸出在所述第二垂直安装架的外侧，所述第二臂可在所述第二垂直安装架的外侧面沿所述第一臂与所述指示器扣件的连接处旋转，在所述第一臂与第二笔之间连接有弹簧，所述弹簧处于被压缩状态，在所述弹簧的张力下，所述第二臂的末端始终抵在所述纸轴组件上的打印纸卷外，对所述打印纸卷有张力的作用力，所述第二臂用于指示所述打印纸卷当前的纸量。
  10. 根据权利要求1所述的打印机机座，其特征是，
    所述纸轴组件包括：
    卷纸挡板，
    第一中心轴，第一端部从所述卷纸挡板的孔部伸出，且可沿在所述孔部内自由旋转；
    中心连接件，第一端部与所述第一中心轴的第二端部旋接；
    扣板件，所述扣板件固定在所述第一垂直安装架上，在所述扣板上设置有两伸出块，在两所述伸出块之间间隔有一间隙，所述第一中心轴的第一端部的末端限位在所述间隙内，一销钉贯穿在两所述伸出块以及所述第一中心轴之间；
    弹簧，一端与所述中心连接件的第二端部连接，另一端抵触在固定在所 述第二垂直安装架内侧的定位板的定位凹位内；
    外轴，套在由所述第一中心轴、中心连接件以及弹簧构成中心轴外，所述外周可沿所述内轴自由旋转。
  11. 根据权利要求10所述的打印机，其特征是，
    所述外轴为钢轴。
  12. 根据权利要求10所述的打印机，其特征是，
    所述定位板由钢制成。
  13. 根据权利要求10所述的打印机，其特征是，
    所述外轴的中间段的外径小于所述外轴的两末端的外径，且两末端的外径相同。
  14. 根据权利要求1所述的打印机机座，其特征是，
    所述水平承载架、第一垂直安装架、第二垂直安装架为一体化成型的构件。
  15. 一种打印机，其特征是，包括权利要求1至14之任一所述的打印机机座。
  16. 一种飞机用数据打印机，其特征是，包括权利要求1至14之任一所述的打印机机座。
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