CN214646912U - Portable bill printer - Google Patents

Abstract

The utility model relates to the field of printing technology, a portable bill printer is disclosed, upper cover and lower cover including the front end mutual articulated, the inside of lower cover is equipped with motor and gear train, the upper end at lower cover rear portion is equipped with the rubber roll, the motor passes through gear train drive rubber roll and rotates, the lower extreme at upper cover rear portion is equipped with the heat-sensitive piece, but the heat-sensitive piece butt rubber roll, the front portion of lower cover is equipped with first half paper storehouse downwards concavely, the front portion of upper cover is equipped with second half paper storehouse upwards concavely, first half paper storehouse and the combination of second half paper storehouse are for putting the paper storehouse, when upper cover and lower cover lock, the length of printer is 80mm-90mm, the width is 80mm-90mm, highly be 35mm-45mm, small, light in weight, after upper cover and lower cover closed, the volume is especially little, and is convenient to carry, conveniently use in various occasions. The paper placing bin is used for placing thermal printing paper, the thermal printing paper shows preset content under the action of the thermal sensitive sheet, and the thermal printing paper is conveyed out through the rotation of the rubber roller, so that the daily bill printing requirement can be met.

Description

Portable bill printer

Technical Field

The utility model relates to a print technical field, especially relate to a portable bill printer.

Background

Printers, which are external devices to the output device, are widely used for data conversion, such as text or graphics conversion from digital files to physical forms like paper. The main types of printers are dot matrix, thermal, ink jet, including color or black and white. The traditional printer device mainly adopts a desktop stylus printer, is inconvenient to move due to the reasons of size, application technology and the like, and is not suitable for the printer with large volume nowadays with developed logistics.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a portable bill printer, one aspect of which solves the problem of large volume and inconvenient movement.

The utility model provides a technical scheme that its technical problem adopted does:

the utility model provides a portable bill printer, includes front end looks articulated upper cover and lower cover, the inside of lower cover is equipped with motor and gear train, the upper end at lower cover rear portion is equipped with the rubber roll, the motor passes through the gear train drive rubber roll and rotates, the lower extreme at upper cover rear portion is equipped with the temperature sensing piece, but the temperature sensing piece butt rubber roll, the front portion of lower cover is equipped with first half paper storehouse downwards concavely, the front portion of upper cover is equipped with second half paper storehouse upwards concavely, first half paper storehouse and the combination of second half paper storehouse are for putting the paper storehouse, when upper cover and lower cover lock, the length of printer is 80mm-90mm, and the width is 80mm-90mm, highly is 35mm-45 mm.

As an improvement of the technical scheme, the lower cover comprises a lower bottom cover and a lower inner cover arranged at the upper end of the lower bottom cover, one end of the lower portion of the lower inner cover is provided with a rubber roll limiting hole, the rubber roll limiting hole is communicated in the left and right directions, the other end of the lower portion of the lower inner cover is provided with a first rubber roll limiting groove in an upward concave manner, one end of a rubber roll is inserted into the rubber roll limiting hole, the other end of the rubber roll is arranged in the first rubber roll limiting groove, the gear set is arranged at the other end of the lower portion of the lower inner cover, and the other end of the rubber roll is fixed in the first rubber roll limiting groove through the gear set.

As the improvement of above-mentioned technical scheme, the lower extreme of inner cup is equipped with gear support and gear protecting cover down, the gear train is installed inside gear support, be equipped with a plurality of card holes on the gear support, be equipped with a plurality of pothooks on the gear protecting cover, but the pothook card goes into the card hole so that gear protecting cover and gear leg joint, the motor is installed on gear support, just the output shaft of motor is located gear support's inside.

As the improvement of above-mentioned technical scheme, the lower extreme of upper cover is equipped with the buckling parts, be equipped with slider and reset driving piece in the lower cover, the upper end of slider is equipped with down the buckling parts, the slider is connected to the one end of reset driving piece, works as the upper cover lid closes at the lower cover, reset driving piece accessible drive slider slides so that the buckling parts removes to the direction of buckling parts on the lock down, the buckling parts can with last buckling parts lock down, still be equipped with the driving piece that uncaps on the lower cover, uncap driving piece accessible drive slider slides so that the buckling parts removes to the direction that breaks away from last buckling parts down.

As an improvement of the above technical scheme, be equipped with first promotion portion on the slider, the driving piece that uncaps is including locating anterior second promotion portion, be equipped with first inclined plane in the first promotion portion, but second promotion portion butt first inclined plane and promotion slider slip so that lower buckling parts removes to the direction that breaks away from last buckling parts, first inclined plane becomes predetermined contained angle with the straight line at the slip direction place of slider, the contained angle is greater than 0 degree and is less than 90 degrees.

As an improvement of the above technical solution, the second pushing portion is provided with a second inclined surface, an inclination angle of the second inclined surface is the same as an inclination angle of the first inclined surface, and the second pushing portion can abut against the first inclined surface through the second inclined surface.

As an improvement of the above technical solution, a sliding groove is formed in the lower portion of the sliding member in an upward concave manner, the first inclined surface is an inner wall surface on the left side of the sliding groove, the second inclined surface is located on the left front side of the second pushing portion, the second pushing portion is inserted into the rear portion of the sliding groove, the lid opening driving member can move forward and backward, and the lid opening driving member can drive the sliding member to move left and right.

As an improvement of the above technical solution, the front portion of the lower end of the upper cover is integrally provided with a wire passing channel, the wire passing channel comprises a rectangular main channel, the upper end of which is communicated with the inside of the upper cover, the main channel is a U-shaped groove with a forward opening, the lower end of the main channel is provided with a curved plate, the lower end of the curved plate is bent forward, the upper end surface of the lower cover is provided with a through groove, the wire passing channel is inserted into the through groove, the left side surface or the right side surface of the wire passing channel is hinged inside the lower cover, the wire passing channel can rotate in the through groove, and the distance from the bottom end of the curved plate to the hinge point of the wire passing channel and the lower cover is greater than the distance from the rear side surface of the through groove to the hinge point of the wire passing channel and the lower cover.

As an improvement of the technical scheme, a connecting plate is arranged on the side face of the main channel and is a triangular plate, the distance from the upper end face of the connecting plate to the bottom ridge is smaller than the width of the through groove in the front-back direction, and the front end of the connecting plate is hinged with the lower cover.

As an improvement of the above technical scheme, the upper cover comprises an upper cover body and an upper inner cover arranged at the lower end of the upper cover body, the wire passing channel is arranged at the lower end of the upper inner cover, the upper inner cover is further provided with a wire passing hole, the wire passing hole is communicated with the upper end of the wire passing channel, a wire blocking plate is arranged inside the upper cover body, the wire blocking plate is positioned right above the wire passing hole or the lower end of the wire blocking plate is positioned in the wire passing hole, and the distance from the wire blocking plate to the foremost end of the upper cover is greater than the distance from the front side wall of the wire passing hole to the foremost end of the upper cover.

The utility model discloses wherein the beneficial effect of one side has:

according to one aspect of the disclosure, the paper placing bin of the ticket printer is used for placing thermal printing paper, after the upper cover and the lower cover are buckled, the thermal sensitive sheet is abutted to the rubber roller, the thermal printing paper shows preset contents under the action of the thermal sensitive sheet, and the thermal printing paper is conveyed out through the rotation of the rubber roller, so that the daily ticket printing requirements can be met; when the printer is buckled, the length of the printer is 80mm-90mm, the width of the printer is 80mm-90mm, the height of the printer is 35mm-45mm, the printer is small in size and light in weight, and after the upper cover and the lower cover are closed, the printer is particularly small in size, convenient to carry and convenient to use in various occasions.

Drawings

The present invention will be further described with reference to the accompanying drawings and specific embodiments, wherein:

fig. 1 is a perspective view of one embodiment of the present invention when engaged;

fig. 2 is a schematic perspective view of one embodiment of the present invention when opened;

fig. 3 is a schematic perspective view of a part of the structure of one embodiment of the present invention;

fig. 4 is a schematic perspective view of the upper cover according to one embodiment of the present invention;

fig. 5 is another perspective view of the upper cover according to one embodiment of the present invention;

fig. 6 is another perspective view of a partial structure of one embodiment of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6 at A;

fig. 8 is a partial enlarged view at B in fig. 6;

fig. 9 is a schematic diagram of a partial explosion of the interior of the lower cover in one embodiment of the invention;

fig. 10 is a schematic view of a partial explosion of the interior of the lower cover in another embodiment of the invention;

FIG. 11 is an enlarged view of a portion of FIG. 10 at C;

fig. 12 is a schematic diagram of a partial explosion inside the upper cover according to one embodiment of the present invention;

fig. 13 is an exploded view of another portion of the interior of the lower cover in one embodiment of the invention;

fig. 14 is a perspective view of the lower cover in one embodiment of the present invention;

fig. 15 is another perspective view of the lower cover in one embodiment of the present invention;

FIG. 16 is an enlarged view of a portion of FIG. 15 at D;

fig. 17 is a partial enlarged view at E in fig. 15;

fig. 18 is a perspective view of a sensor mounting portion according to one embodiment of the present invention.

Detailed Description

Referring to fig. 1-18, the utility model discloses a portable bill printer, including mutual articulated upper cover 1 and lower cover 2 in front end, the inside of lower cover 2 is equipped with motor 5 and gear train 6, the upper end at lower cover 2 rear portion is equipped with rubber roll 4, motor 5 passes through gear train 6 drive rubber roll 4 and rotates, the lower extreme at upper cover 1 rear portion is equipped with heat-sensitive piece 3, but heat-sensitive piece 3 butt rubber roll 4, the front portion of lower cover 2 is equipped with first half paper storehouse 71 downwards concavely, the front portion of upper cover 1 is equipped with second half paper storehouse 72 upwards concavely, first half paper storehouse 71 and the combination of second half paper storehouse 72 are put the paper storehouse, when upper cover 1 and lower cover 2 lock, the length of printer is 80mm-90mm, and the width is 80mm-90mm, and the height is 35mm-45mm, preferably 86mm 41 mm. The vertical orientation of the upper lid 1 as referred to herein is based on the state in which the upper lid 1 and the lower lid 2 are engaged with each other.

Specifically, the paper placing bin of the ticket printer is used for placing thermal printing paper, after the upper cover 1 and the lower cover 2 are buckled, the thermal sensitive sheet 3 is abutted to the rubber roller 4, the thermal printing paper shows preset contents under the action of the thermal sensitive sheet 3, and the thermal printing paper is conveyed out through the rotation of the rubber roller 4, so that the daily ticket printing requirements can be met; and when the device is buckled, the length of the printer is 80mm-90mm, the width of the printer is 80mm-90mm, and the height of the printer is 35mm-45 mm. The volume is small, the weight is light, and after the upper cover 1 and the lower cover 2 are closed, the volume is particularly small, the carrying is convenient, and the use in various occasions is convenient.

With further reference to fig. 14-17, the lower cover 2 includes a lower bottom cover 21 and a lower inner cover 22 disposed at the upper end of the lower bottom cover 21, one end of the lower portion of the lower inner cover 22 is provided with a rubber roller limiting hole 23, the rubber roller limiting hole 23 is left-right communicated, the other end of the lower portion of the lower inner cover 22 is provided with a first rubber roller limiting groove 24 in an upward concave manner, one end of the rubber roller 4 is inserted into the rubber roller limiting hole 23, the other end of the rubber roller 4 is disposed in the first rubber roller limiting groove 24, the gear set 6 is disposed at the other end of the lower portion of the lower inner cover 22, and the other end of the rubber roller 4 is fixed in the first rubber roller limiting groove 24 through the gear set 6.

Thus, the rubber roller limiting hole 23 is a through hole integrally connected with the lower inner cover 22, and one end of the rubber roller 4 is directly inserted into the rubber roller limiting hole 23 and is limited by the rubber roller limiting hole 23; and the rubber roller 4 of other structures is spacing, and the accumulative tolerance is more, and the size is more difficult to control, and the condition that one end is high and the other end is low often appears in rubber roller 4, causes the printing badly easily. The problem is solved by the structure of the rubber roller limiting hole 23, accumulated tolerance is small, size is easy to control, the rubber roller is easy to keep balanced, printing quality is good, the rubber roller 4 is mounted irrelevantly to the lower bottom cover 21, test printing without the lower bottom cover 21 is achieved, assembly is more convenient, size is better controlled, and optimization design is better modified.

Specifically, the rear portion of the lower inner cover 22 is provided with a rubber roller groove 224 in a vertically penetrating manner, a support plate 225 is vertically arranged on the left side of the rubber roller groove 224, the rubber roller limiting hole 23 comprises a U-shaped limiting groove 231 formed in the support plate 225, an opening of the U-shaped limiting groove 231 faces upwards, the U-shaped limiting groove 231 comprises a lower semicircular groove and an upper rectangular groove, and the upper end of the U-shaped limiting groove 231 is communicated with the outside. The left end face of the support plate 225 is provided with a reinforcing ring 2251, the reinforcing ring 2251 is in a partial circular ring shape, the reinforcing ring shares a central axis with the semicircular groove of the U-shaped limiting groove 231, and the inner wall of the reinforcing ring 2251 shares a circular arc surface with the groove wall of the semicircular groove of the U-shaped limiting groove 231.

Moreover, the right-hand member of extension board 225 is equipped with first supporting piece 226, antetheca and the back wall in rubber roll groove 224 are connected respectively to the front end and the rear end of first supporting piece 226, and rubber roll spacing hole 23 is including locating inferior arc spacing groove 232 of first supporting piece 226 lower extreme, and inferior arc spacing groove 232 runs through first supporting piece 226 about running through, inferior arc spacing groove 232 is upwards concave, and inferior arc spacing groove 232 is the central axis with the semicircular groove of U-shaped spacing groove 231 altogether, and the radius of inferior arc spacing groove 232 is the same with the radius of semicircular groove. The left end of the rubber roller 4 is inserted into the U-shaped limiting groove 231 and the minor arc limiting groove 232.

During installation, the left end of the rubber roller 4 penetrates into the U-shaped limiting groove 231 through the inferior arc limiting groove 232, the upper side of the left end of the rubber roller 4 is limited by the inferior arc limiting groove 232, and the lower side is limited by the semicircular groove of the U-shaped limiting groove 231. The minor arc limiting groove 232 is adopted, a larger installation space is reserved, friction when the left end of the rubber roller 4 penetrates through the minor arc limiting groove 232 is reduced, and the rubber roller is convenient to install.

In addition, the rear portion of the lower inner cover 22 is provided with a second rubber roll limiting groove 227, the second rubber roll limiting groove 227 is located on the left side of the support plate 225, the second rubber roll limiting groove 227 is a semicircular groove, the second rubber roll limiting groove 227 shares the central axis with the semicircular groove of the U-shaped limiting groove 231, and the radius of the second rubber roll limiting groove 227 is the same as that of the semicircular groove. The left end of the rubber roller 4 is simultaneously inserted into the second rubber roller limiting groove 227, the minor arc limiting groove 232 and the U-shaped limiting groove 231, the upper side of the rubber roller 4 is simultaneously limited by the minor arc limiting groove 232 and the second rubber roller limiting groove 227, and balance of the left end of the rubber roller 4 can be further guaranteed.

Moreover, the first rubber roll limiting groove 24 is arranged on the right side of the rubber roll groove 224, specifically, the right side of the rubber roll groove 224 is provided with the second supporting sheet 228, the front end and the rear end of the second supporting sheet 228 are respectively connected with the front wall and the rear wall of the rubber roll groove 224, the first rubber roll limiting groove 24 is arranged at the lower end of the second supporting sheet 228, the first rubber roll limiting groove 24 is a partial arc groove, the first rubber roll limiting groove 24 and the semicircular groove of the U-shaped limiting groove 231 share the same central axis, and the radius of the first rubber roll limiting groove 24 is the same as that of the semicircular groove.

Further, the lower part of the lower inner cover 22 is provided with a gear groove, the gear groove is positioned on the right side of the first rubber roll limiting groove 24, and the gear groove is communicated with the first rubber roll limiting groove 24. The right end of the rubber roller 4 is provided with a first gear 42, and the first gear 42 is positioned in the gear groove, the specific installation structure is that the center of the first gear 42 is provided with a rectangular transmission hole 43, the right end of the rubber roller 4 is correspondingly provided with a rectangular transmission shaft 41, the transmission shaft 41 is inserted in the transmission hole 43, and the output end of the gear set 6 is in meshing transmission with the first gear 42.

Referring to fig. 13, a gear bracket 25 and a gear protecting cover 26 are disposed on the right side of the lower end of the lower inner cover 22, the gear bracket 25 is mounted on the lower end of the lower inner cover 22 through screws, a plurality of fixed shafts are disposed inside the gear bracket 25, the gear set 6 is mounted on the fixed shafts, a plurality of fastening holes 251 are disposed at the left end of the gear bracket 25, a plurality of hooks 27 are disposed at the right end of the gear protecting cover 26, and the hooks 27 can be fastened into the fastening holes 251 to connect the gear protecting cover 26 with the gear bracket 25. The motor 5 is arranged on the gear bracket 25, an output shaft of the motor 5 is positioned in the gear bracket 25, and an output shaft of the motor 5 is connected with an input end of the gear set 6. The arrangement of the gear bracket 25 and the gear protecting cover 26 can prevent foreign matters from falling into the gear set 6, avoid the foreign matters from influencing the normal operation of the gear set 6 or wearing the gear set 6, and prolong the service life and smooth degree of the gear set 6.

Referring specifically to fig. 6, the lower extreme of upper cover 1 is equipped with buckling parts 11, be equipped with slider 8 and reset driving piece 9 in the lower cover 2, the upper end of slider 8 is equipped with lower buckling parts 81, slider 8 is connected to the one end of reset driving piece 9, works as upper cover 1 lid closes in lower cover 2, reset driving piece 9 accessible drive slider 8 slides so that lower buckling parts 81 removes to the direction of buckling parts 11, lower buckling parts 81 can with last buckling parts 11 lock, still be equipped with uncapping driving piece 10 on the lower cover 2, uncapping driving piece 10 accessible drive slider 8 slides so that lower buckling parts 81 removes to the direction that breaks away from last buckling parts 11. When the upper cover 1 covers the lower cover 2, the user can operate the cover opening driving part 10 to separate the lower buckling part 81 from the upper buckling part 11, so that the upper cover 1 is opened, compared with the traditional cover opening mode, the cover opening mode is more convenient, and the structure is simple.

Further, be equipped with exit slot 20 between 1 rear end of upper cover and the 2 rear ends of lower cover, rubber roll 4 is located the place ahead of exit slot 20, slider 8 installs under rubber roll 4, and slider 3 is located under rubber roll 4, and rubber roll 4 is close to exit slot 20 so relatively, and also the distance of exit slot 20 to rubber roll 4 is short, and the paper utilization ratio is higher, buckling parts 81 is located between rubber roll 4 and exit slot 20 down, perhaps buckling parts 81 is located the left side and \ or the right side of rubber roll 4 down.

There are various structural forms of the door opening actuator 10, and there are various ways in which the door opening actuator 10 drives the slider 8, and several of them are disclosed in this embodiment.

Referring to fig. 10 and 11, in the first mode, a first pushing portion 82 is disposed on the sliding member 8, the lid driving member 10 includes a second pushing portion 101, the lid driving member 10 is movable to move away from or close to the sliding member 8, and when the lid driving member 10 moves toward the direction close to the sliding member 8, the second pushing portion 101 may abut against the first pushing portion 82 and push the sliding member 8 to slide so that the lower engaging portion 81 moves in the direction away from the upper engaging portion 11.

Specifically, a limit way is arranged on the lower cover 2, the cover opening driving part 10 is installed on the limit way, and the cover opening driving part 10 can move along the limit way to be far away from or close to the sliding part 8.

The moving direction of the lid opening driving member 10 and the sliding direction of the sliding member 8 may be the same, may be perpendicular, or may be another predetermined included angle. That is, the sliding guide direction of the limiting track and the sliding direction of the sliding part 8 can be the same, can be vertical, and can also form other predetermined included angles. In this embodiment, the moving direction of the lid opening actuator 10 is perpendicular to the sliding direction of the slider 8.

Specifically, the first pushing portion 82 is provided with a first inclined surface 821, the second pushing portion 101 may abut against the first inclined surface 821, and the first inclined surface 821 and a straight line of the sliding direction of the sliding member 8 form a predetermined included angle, which is greater than 0 degree and smaller than 90 degrees. In this embodiment, the sliding member 8 can slide left and right, and when the sliding member 8 slides left, the lower engaging portion 81 can be disengaged from the upper engaging portion 11. Therefore, the first inclined surface 821 is inclined at an angle of more than 0 degree and less than 90 degrees, preferably 30 ° to 60 °, such as 38 °, 45 °, 53 °, and the like, with respect to a straight line extending in the left-right direction. And the first inclined surface 821 is located at the left side of the second push portion 101. The term "left side" means the direction of sliding and releasing of the slider 8, that is, the slider 8 slides to the left, and the lower engaging portion 81 is separated from the upper engaging portion 11 to complete the releasing operation. For purposes of illustration, the orientation shown in the drawings is used for description.

The second pushing portion 101 is provided with a second inclined surface 102, the angle of inclination of the second inclined surface 102 is the same as the angle of inclination of the first inclined surface 821, and the second pushing portion 101 can abut against the first inclined surface 821 via the second inclined surface 102. In this way, when the second pushing portion 101 pushes the first pushing portion 82, the lid opening driving member 10 and the slider 8 are uniformly stressed, and the pushing is more stable.

Specifically, the sliding groove 83 is formed in the lower portion of the sliding member 8 in an upward concave manner, the first inclined surface 821 is an inner wall surface on the left side of the sliding groove 83, the second inclined surface 102 is located on the left side of the second pushing portion 101, the second pushing portion 101 is inserted into the rear portion of the sliding groove 83, the lid opening driving member 10 can move forward and backward, and the lid opening driving member 10 can drive the sliding member 8 to move leftward and rightward.

In this embodiment, the sliding groove 83 is a trapezoidal groove or a triangular groove, that is, the horizontal cross section of the sliding groove 83 is trapezoidal or triangular, the large end of the sliding groove 83 is open, and the large end of the sliding groove 83 faces the rear, when the second pushing portion 101 slides from the large end of the sliding groove 83 to the small end of the sliding groove 83, the left side surface of the second pushing portion 101 is tightly attached to the left side surface of the sliding groove 83, that is, the second inclined surface 102 is tightly attached to the first inclined surface 821, and the second inclined surface 102 applies a leftward force to the first inclined surface 821 to push the sliding member 8 to move leftward.

Specifically, the lid opening driving member 10 includes a first body 103 having a rectangular parallelepiped shape, the second pushing portion 101 is fixedly disposed at a front end of the first body 103, and a cylindrical button 104 is fixedly disposed at a rear end of the first body 103. The limiting channel is a button mounting hole formed in the rear end of the lower bottom cover 21, the button mounting hole is a through hole in the front-rear direction, the button 104 is mounted in the button mounting hole, a user can drive the second pushing portion 101 to move forward by pressing the button 104 forward, the second pushing portion 101 then pushes the sliding member 8, and the forward driving direction of the second pushing portion 101 is converted into the leftward movement of the sliding member 8 under the conversion of the first inclined surface 821.

Referring to fig. 9, in the second mode, a positioning groove 84 is formed at the rear portion of the slider 8, the lid opening driving member 10 is installed in the positioning groove 84, and the lid opening driving member 10 can move the slider 8 to the left and right. That is, the lid opening actuator 10 is integrally connected to the slider 8, and the lid opening actuator 10 directly drives the slider 8 to move. Specifically, the positioning groove 84 vertically penetrates through the rear portion of the slider 8, the positioning protrusion 85 is disposed on the front wall surface of the positioning groove 84, the lid opening driving member 10 includes a second body 106 in a rectangular parallelepiped shape, the front portion of the second body 106 is correspondingly provided with a positioning groove, and the positioning protrusion 85 is clamped in the positioning groove.

And, the rear portion of second body 106 is equipped with feather key 105 fixedly, feather key 105 is similar isosceles triangle piece, feather key 105's cross section is similar isosceles triangle, and similar isosceles triangle piece's bottom surface and second body 106 fixed connection are in the same place, and similar isosceles triangle piece's two flank are the curved surface, and similar isosceles triangle piece's edge all is equipped with the radius angle. The user pushes the two waist surfaces like the isosceles triangle to slide the lid opening driving member 10 and the slider 8 left and right.

Further, slide ways 29 are arranged in the lower cover 2 along the left-right direction, the sliding piece 8 is installed on the slide ways 29, and the sliding piece 8 can move left and right on the slide ways 29.

Specifically referring to fig. 7 and 8, the upper engaging portion 11 includes a first connecting rod 111 disposed on the upper cover 1 and a first hook 112 protruding from the first connecting rod 111 leftward, the lower engaging portion 81 includes a second connecting rod 811 disposed on the upper end of the slider 8 and a second hook 812 protruding from the second connecting rod 811 rightward, and when the upper cover 1 is covered on the lower cover 2, the second hook 812 is located above the first hook 112.

Moreover, the number of the upper buckling parts 11 is two, the two upper buckling parts 11 are respectively positioned at the left side and the right side of the rear part of the upper cover 1, correspondingly, the number of the lower buckling parts 81 is also two, and the two lower buckling parts 81 are respectively positioned at the left side and the right side of the rubber roller 4. Two buckling avoiding holes 229 are formed in the rear portion of the lower inner cover 22, the two buckling avoiding holes 229 are located in the left side and the right side of the rubber roller 4 respectively, the two lower buckling portions 81 are located below the two buckling avoiding holes 229 respectively, and when the upper cover 1 and the lower cover 2 are buckled, the two upper buckling portions 11 penetrate through the two buckling avoiding holes 229 respectively and are buckled with the two lower buckling portions 81 respectively.

In this embodiment, the return driving member 9 is a spring, one end of the spring is connected to the sliding member 8, and the other end of the spring is connected to the lower cover 2.

Specifically, a battery box 221 is arranged in the middle of the bottom of the lower cover 2, a spring limiting frame 222 is arranged on the rear side face of the battery box 221, an opening of the spring limiting frame 222 faces downwards, and the spring limiting frame 222 is arranged right below the rubber roller 4. The spring limiting frame 222 is a U-shaped frame, a baffle 223 is arranged at the upper end of the spring limiting frame 222, and the slide 29 is located between the baffle 223 and the rubber roller 4. In this embodiment, the reset driving member 9 is a pressure spring, the lower end of the sliding member 8 is vertically provided with the first mounting plate 86, the right side of the first mounting plate 86 is horizontally provided with the second mounting plate, the right part of the pressure spring is sleeved on the second mounting plate, the right end of the pressure spring is abutted against the first mounting plate 86, the left end of the pressure spring is abutted against the left inner side surface of the spring limiting frame 222, and the reset driving member 9 is connected with the lower cover 2 by abutting against the spring limiting frame 222. The reset driving part 9 can also be a tension spring, the left end of the tension spring is connected with the sliding part 8, and the right end of the tension spring is connected with the lower cover 2.

Referring to fig. 2 to 5, the front portion of the lower end of the upper cover 1 is integrally provided with a wire passage 12, the front side of the wire passage 12 is hollow, specifically, the wire passage 12 includes a rectangular main passage 121, the upper end of which is communicated with the inside of the upper cover 1, the main passage 121 is a U-shaped groove with a forward opening, the lower end of the main passage 121 is provided with a curved plate 122, the lower end of the curved plate 122 is bent forward, the curved plate 122 is connected with both the left side and the right side of the main passage 121, the upper end of the lower cover 2 is provided with a through groove 28, the wire passage 12 is inserted into the through groove 28, the left side or the right side of the wire passage 12 is hinged inside the lower cover 2, and the wire passage 12 can rotate in the through groove 28.

Specifically, wire passing channel 12 is integrative to be set up on upper cover 1, wire passing channel 12 need not assemble again like this, save assembly process, the integral type is also more pleasing to the eye, and wire passing channel 12's leading flank fretwork, can directly penetrate inside upper cover 1 or lower cover 2 with the wire rod from wire passing channel 12's leading flank like this, the space that the wire rod can pass is big, the assembly of being convenient for, wire passing channel 12 sets up in the front portion of upper cover 1 lower extreme, and articulate on lower cover 2, also the direction that upper cover 1 turned over is opened forward, though wire passing channel 12's leading flank fretwork like this, but also can not see naked wire rod after upper cover 1 turns over, the wire rod hidden nature is good, it is more convenient to cross the wire rod, moreover, the steam generator is simple structure.

Moreover, the distance from the bottom end of the curved plate 122 to the hinge point of the wire passage 12 and the lower cover 2 is greater than the distance from the rear side of the through groove 28 to the hinge point of the wire passage 12 and the lower cover 2. Thus, when the upper cover 1 is turned over to a certain angle, the rear side of the through slot 28 will catch the bottom end of the curved plate 122 to limit the upward turning angle of the upper cover 1, and prevent the rear portion of the through slot 28 from leaking out of the wires or other structures inside the lower cover 2. The semi-closed type wire passing channel 12 is matched with the through groove 28 of the lower cover 2, so that the built-in wires can not be seen from the outside.

Referring further to fig. 5, the curved plate 122 includes an upper transitional curved plate 1221 and a lower arc-shaped curved plate 1222, and the upper and lower ends of the transitional curved plate 1221 are respectively connected to the lower end of the rear side of the main channel 121 and the upper end of the arc-shaped curved plate 1222.

Moreover, the side of the main channel 121 is provided with a connecting plate 123, the front end of the connecting plate 123 is hinged to the lower cover 2, and the hinged point of the upper cover 1 and the lower cover 2 is as close as possible to the front end surface of the lower cover 2, so that the upper cover 1 is convenient to stagger with the lower cover 2 when rotating. The hinge joint has a specific structure that the connecting plate 123 and the lower cover 2 are both provided with shaft holes 124, the connecting plate 123 and the lower cover 2 are connected in a manner that the rotating shaft 15 penetrates through the two shaft holes 124, and the hinge joints refer to the center line of the rotating shaft 15.

Specifically, the connecting plate 123 is a triangular plate, and the distance from the upper end surface of the connecting plate 123 to the bottom edge is smaller than the width of the through groove 28 in the front-back direction, so that the connecting plate 123 can penetrate into the lower cover 2 from the through groove 28 during installation, and the processing and the assembly are facilitated.

In addition, wire passing hole 141 has been seted up to the lower extreme of upper cover 1, wire passing hole 141 communicates with the upper end of wire passing channel 12, wire blocking plate 131 is equipped with in the inside of upper cover 1, wire blocking plate 131 is located directly over wire passing hole 141 or wire blocking plate 131's lower extreme is located wire passing hole 141, wire blocking plate 131 is located wire passing channel 12 top, wire blocking plate 131 is greater than the distance of wire passing hole 141's preceding lateral wall to upper cover 1 foremost to the distance of wire blocking plate 131 to the upper cover 1 foremost, and the wire rod penetrates inside upper cover 1 from the rear of wire blocking plate 131 to prevent that the wire rod from falling out from the front side of upper cover 1, guarantee that the wire rod is in semi-enclosed wire passing channel 12.

The upper cover 1 comprises an upper top cover 13 and an upper inner cover 14 arranged at the lower end of the upper top cover 13, the thread passing hole 141 is arranged in the upper inner cover 14, the thread passing channel 12 is arranged at the lower end of the upper inner cover 14, the width of the thread passing hole 141 in the front-back direction is greater than that of the main channel 121 in the front-back direction, and the thread blocking plate 131 is arranged inside the upper top cover 13. An escape groove 142 is formed at the front of the upper inner lid 14 to escape the front end of the lower lid 2 when the upper lid 1 is folded forward.

Further, the distance from the hinge point of the wire passage 12 and the lower cover 2 to the foremost end of the lower end surface of the upper cover 1 is greater than the distance from the hinge point of the wire passage 12 and the lower cover 2 to the foremost end of the upper end surface of the lower cover 2. When upper cover 1 rotates round the pin joint like this, the foremost of lower extreme face of upper cover 1 can walk around the foremost of lower cover 2 up end to guarantee to turn over upper cover 1 forward smoothly.

Moreover, the width of the main channel 121 in the front-rear direction is smaller than the width of the through groove 28 in the front-rear direction, so that the main channel 121 can smoothly rotate through the through groove 28; the width of the main channel 121 in the left-right direction is slightly smaller than the width of the through groove 28 in the left-right direction, for example, smaller than 1mm, so that the main channel 121 can be ensured to rotate smoothly in the through groove 28, and the inside of the lower cover 2 can be prevented from being seen from the side surface of the main channel 121.

Referring to fig. 18 again, the lower end of the upper inner lid 14 is provided with a sensor 16, the sensor 16 is located in front of the heat sensitive sheet 3, and the sensor 16 is used for sensing whether paper is present or not and sensing the entrance and exit of the paper. Specifically, a sensing positioning hole 143 is formed in the upper inner cover 14, the sensor support 17 is mounted at the upper end of the upper inner cover 14, the sensor support 17 is located above the heat sensitive sheet 3, a sensor mounting portion 18 is arranged at the front end of the sensor support 17, the sensor mounting portion 18 is located above the sensing positioning hole 143, the upper portion of the sensor 16 is mounted in the sensor mounting portion 18, and the lower end of the sensor 16 is located in the sensing positioning hole 143.

Specifically, the sensor mounting portion 18 includes a rectangular parallelepiped mounting groove, a buckle 181 is provided on an inner surface of the mounting groove, and the upper portion of the sensor 16 is mounted and limited between the buckle 181 and a bottom surface of the mounting groove. The sensor 16 is simple in installation and positioning mode and convenient to install.

Moreover, the upper inner cover 14 is also provided with a heat-sensitive positioning hole, the heat-sensitive sheet 3 is arranged in the heat-sensitive positioning hole, the sensor support 17 is positioned above the heat-sensitive positioning hole, and a spring is arranged between the sensor support 17 and the heat-sensitive sheet 3.

Further referring to fig. 12, a circuit board 19 is installed at the upper end of the upper inner cover 14, a lamp bead 191 is arranged on the circuit board 19, a light guide member 192 is further installed on the circuit board 19 through a screw, the light guide member 192 is located above the lamp bead 191, a key 193 is installed at the upper end of the light guide member 192, and the key 193 is used for turning on and off the computer. Compared with the existing structure mode that the light guide part 192 is assembled on the upper top cover 13, the assembly is more convenient, and the error of accumulated tolerance is reduced.

It is noted that the terms first, second, third, etc. are used herein to describe various components or features, but these components or features are not limited by these terms. These terms are only used to distinguish one element or part from another element or part. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. For convenience of description, spatially relative terms such as "inner", "outer", "upper", "lower", "left", "right", "upper", "left", "right", and the like are used herein to describe the orientation relation of the components or parts in the present embodiment, but these spatially relative terms do not limit the orientation of the technical features in practical use.

The above description is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and the technical effects of the present invention should be all included in the protection scope of the present invention as long as the technical effects are achieved by any of the same or similar means.

Claims (10)

1. A portable ticket printer, comprising: comprises an upper cover (1) and a lower cover (2) which are hinged with each other at the front end, a motor (5) and a gear set (6) are arranged inside the lower cover (2), the upper end of the rear part of the lower cover (2) is provided with a rubber roller (4), the motor (5) drives the rubber roller (4) to rotate through a gear set (6), the lower end of the rear part of the upper cover (1) is provided with a heat-sensitive sheet (3), the heat-sensitive sheet (3) can be abutted against the rubber roller (4), the front part of the lower cover (2) is provided with a first half paper bin (71) which is concave downwards, the front part of the upper cover (1) is provided with a second half paper bin (72) in an upward concave manner, the first half paper bin (71) and the second half paper bin (72) are combined into a paper placing bin, when the upper cover (1) is buckled with the lower cover (2), the length of the printer is 80-90 mm, the width of the printer is 80-90 mm, and the height of the printer is 35-45 mm.

2. The portable ticket printer of claim 1, wherein: lower cover (2) are including lower bottom (21) and locate lower inner cup (22) of bottom (21) upper end down, the one end of lower part of inner cup (22) is equipped with the spacing hole of rubber roll (23) down, link up about spacing hole of rubber roll (23), the other end of lower part of inner cup (22) is equipped with first rubber roll spacing groove (24) to the evagination down, the one end of rubber roll (4) is inserted and is located the spacing hole of rubber roll (23), first rubber roll spacing groove (24) are arranged in to the other end of rubber roll (4), the other end of lower part of inner cup (22) is located down in gear train (6), the other end of rubber roll (4) passes through gear train (6) to be fixed at first rubber roll spacing groove (24).

3. A portable ticket printer according to claim 2, wherein: the lower extreme of lower inner cup (22) is equipped with gear support (25) and gear protecting cover (26), gear train (6) are installed inside gear support (25), be equipped with a plurality of card holes (251) on gear support (25), be equipped with a plurality of pothooks (27) on gear protecting cover (26), pothook (27) can be gone into card hole (251) so that gear protecting cover (26) is connected with gear support (25), install on gear support (25) motor (5), just the output shaft of motor (5) is located the inside of gear support (25).

4. The portable ticket printer of claim 1, wherein: the lower extreme of upper cover (1) is equipped with buckling parts (11), be equipped with slider (8) and reset driving piece (9) in lower cover (2), the upper end of slider (8) is equipped with lower buckling parts (81), slider (8) are connected to the one end of reset driving piece (9), work as upper cover (1) lid closes in lower cover (2), reset driving piece (9) accessible drive slider (8) slide so that buckling parts (81) remove to the direction of buckling parts (11) on the lock down, buckling parts (81) can with last buckling parts (11) lock down, still be equipped with on lower cover (2) and uncap driving piece (10), uncap driving piece (10) accessible drive slider (8) slide so that buckling parts (81) remove to the direction that breaks away from upper buckling parts (11) down.

5. The portable ticket printer of claim 4, wherein: be equipped with first promotion portion (82) on slider (8), uncap driving piece (10) are including locating anterior second promotion portion (101), be equipped with first inclined plane (821) on first promotion portion (82), second promotion portion (101) can butt first inclined plane (821) and promote slider (8) and slide so that lower buckling parts (81) move to the direction that breaks away from last buckling parts (11), the straight line at the slip direction place of first inclined plane (821) and slider (8) becomes predetermined contained angle, the contained angle is greater than 0 degree and is less than 90 degrees.

6. The portable ticket printer of claim 5, wherein: the second pushing part (101) is provided with a second inclined surface (102), the inclination angle of the second inclined surface (102) is the same as that of the first inclined surface (821), and the second pushing part (101) can be abutted to the first inclined surface (821) through the second inclined surface (102).

7. The portable ticket printer of claim 6, wherein: the lower portion of the sliding piece (8) is provided with a sliding groove (83) in an upward concave mode, the first inclined surface (821) is the inner wall surface on the left side of the sliding groove (83), the second inclined surface (102) is located on the left front side of the second pushing portion (101), the second pushing portion (101) is inserted into the rear portion of the sliding groove (83), the cover opening driving piece (10) can move front and back, and the cover opening driving piece (10) can drive the sliding piece (8) to move left and right.

8. The portable ticket printer of claim 1, wherein: the front part of the lower end of the upper cover (1) is integrally provided with a wire passing channel (12), the wire passing channel (12) comprises a cuboid main channel (121) the upper end of which is communicated with the inside of the upper cover (1), the main channel (121) is a U-shaped groove with a forward opening, a curved plate (122) is arranged at the lower end of the main channel (121), the lower end of the curved plate (122) is bent forwards, the upper end surface of the lower cover (2) is provided with a through groove (28), the wire passing channel (12) is inserted into the through groove (28), the left side surface or the right side surface of the wire passing channel (12) is hinged in the lower cover (2), the wire passage (12) can rotate in the through groove (28), and the distance from the bottom end of the curved plate (122) to the hinge point of the wire passage (12) and the lower cover (2) is greater than the distance from the rear side surface of the through groove (28) to the hinge point of the wire passage (12) and the lower cover (2).

9. The portable ticket printer of claim 8, wherein: the side of main entrance (121) is equipped with connecting plate (123), connecting plate (123) are triangle-shaped board, the distance of the upper end face of connecting plate (123) to the end arris is less than logical groove (28) fore-and-aft direction's width, the front end and the lower cover (2) of connecting plate (123) are articulated.

10. The portable ticket printer of claim 8, wherein: the upper cover (1) comprises an upper top cover (13) and an upper inner cover (14) arranged at the lower end of the upper top cover (13), the lower end of the upper inner cover (14) is arranged in the wire passing channel (12), the wire passing hole (141) is further formed in the upper inner cover (14), the wire passing hole (141) is communicated with the upper end of the wire passing channel (12), a wire blocking plate (131) is arranged inside the upper top cover (13), the wire blocking plate (131) is located over the wire passing hole (141) or the lower end of the wire blocking plate (131) is located in the wire passing hole (141), and the distance from the wire blocking plate (131) to the foremost end of the upper cover (1) is larger than the distance from the front side wall of the wire passing hole (141) to the foremost end of the upper cover (1).

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