CN208946888U - Print unit and thermal printer - Google Patents
Print unit and thermal printer Download PDFInfo
- Publication number
- CN208946888U CN208946888U CN201821210435.9U CN201821210435U CN208946888U CN 208946888 U CN208946888 U CN 208946888U CN 201821210435 U CN201821210435 U CN 201821210435U CN 208946888 U CN208946888 U CN 208946888U
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- gear
- moving knife
- reset
- pinion gear
- rack
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Abstract
The utility model provides print unit and thermal printer, print unit include head unit, with hot head；Imprinter unit is combined with roller platen with the head unit in a manner of separation；Fixing cutter, the either side being set in the head unit and the imprinter unit；Can moving knife, any other party being set in the head unit and the imprinter unit, relative to the fixing cutter slide move；Driving mechanism, make it is described can moving knife with the fixing cutter mutually from position of readiness and ride the fixing cutter off-position between slide and move；Unlocking lever releases locking of the imprinter unit relative to the head unit；And resetting-mechanism, it is described can moving knife stop at the off-position in the state of, the resetting-mechanism and the unlocking lever link and make before the locking for releasing the imprinter unit it is described can moving knife be moved to the position of readiness.
Description
Technical field
The utility model relates to print units and thermal printer.
Background technique
For example, having print unit in thermal printer.Print unit by make can moving knife be moved to from position of readiness
Off-position, using can moving knife and fixing cutter cut off paper.In view of following situation: by make can moving knife be moved to off-position,
Can generated between moving knife and fixing cutter blocking paper (that is, paper jam), can moving knife stop at the position for riding fixing cutter.In the feelings
Under condition, it is known to by operation operating stick can moving knife and fixing cutter spaced apart at gaps to release the structure of blocking paper.It is logical
Gap, the load of removal blocking paper can be arranged by crossing between moving knife and fixing cutter.It, can be by by the load of removal blocking paper
The recuperability of spring make can moving knife be restored in situ (hereinafter referred to as position of readiness).
But about that the structure in gap can be arranged in fixing cutter and between moving knife, producing the blocking paper bigger than gap
In the case where, it is difficult to completely remove the load of blocking paper.Accordingly, there exist following worries: even if 1 operation by operating stick exists
Fixing cutter and gap can be set between moving knife, can moving knife also do not return.In this case, it needs to carry out multi-pass operation to operating stick
To release blocking paper, it may be said that the releasing for blocking paper is lower.
In addition, cannot eliminate can the state that stops at the position for riding fixing cutter of moving knife when that can not release blocking paper.
Therefore, it is impossible to open the cover for being equipped with fixing cutter of printer.That is, can not also make fixing cutter and can the outside portion of moving knife expose.Cause
This, in the case where producing the blocking paper greater than gap, it is difficult to eliminate blocking paper, be based on the viewpoint, there are the leeway of improvement.
Therefore, for this print unit and thermal printer, seek relatively easily release blocking paper.
Utility model content
The print unit of the technical solution of the utility model 1 is characterized in that, comprising: head unit has to recording sheet
The hot head printed；Imprinter unit has the roller platen for conveying the recording sheet, and with the head unit can divide
From mode be combined；Fixing cutter, the either side being set in the head unit and the imprinter unit；Can moving knife,
It is set to any other party in the head unit and the imprinter unit, and slides and move relative to the fixing cutter；
Driving mechanism, make it is described can moving knife with the fixing cutter mutually from position of readiness and the off-position of riding the fixing cutter
Between slide movement；Unlocking lever releases locking of the imprinter unit relative to the head unit；And reset machine
Structure, it is described can moving knife stop at the off-position in the state of, the resetting-mechanism and the unlocking lever link and
Make before the locking for releasing the imprinter unit it is described can moving knife be moved to the position of readiness.
In addition, print unit according to technical solution 1, the spy of the print unit of the technical solution of the utility model 2
Sign is that the resetting-mechanism includes reset rack gear, is formed in the drive rack of the driving mechanism；And reset small tooth
Wheel, the rack gear tooth engagement with the reset rack gear, and can link with the unlocking lever.
In addition, the print unit according to technical solution 2, the spy of the print unit of the technical solution of the utility model 3
Sign is that the resetting-mechanism includes the 1st gear and sun gear, they are supported to the rotation with the unlocking lever
Rotate freely to central coaxial；Planetary gear is supported to rotate freely in a manner of engaging with the sun gear, and
It follows the movement of the unlocking lever and revolves；And internal gear, it is engaged with the planetary gear, the 1st gear shape
As can be engaged with the reset pinion gear.
In addition, print unit according to technical solution 3, the spy of the print unit of the technical solution of the utility model 4
Sign is, the rack gear that resets has a following rack tooth: the rack tooth be formed in it is described can moving knife blade tip opposite side, make
It obtains in the state that the reset rack gear is configured in the off-position, which engages with the reset pinion gear, and
And in the state that the reset rack gear is configured in the position of readiness, which, which releases, resets nibbling for pinion gear with described
It closes.
In addition, the print unit according to technical solution 4, the spy of the print unit of the technical solution of the utility model 5
Sign is that the reset pinion gear is rotatably freely set to the driving of the driving mechanism engaged with the drive rack
The support shaft of pinion gear.
In addition, the print unit according to technical solution 5, the spy of the print unit of the technical solution of the utility model 6
Sign is that the reset pinion gear has been removed 1 tooth in pinion gear teeth.
In addition, print unit according to technical solution 3, the spy of the print unit of the technical solution of the utility model 7
Sign is that the 1st gear has the 1st teeth portion, and the 1st teeth portion can be engaged with the reset pinion gear at first, and can
Keep out of the way to radially inner side.
In addition, the print unit according to technical solution 2, the spy of the print unit of the technical solution of the utility model 8
Sign is that the reset pinion gear is rotatably freely set to the driving of the driving mechanism engaged with the drive rack
The support shaft of pinion gear.
In addition, the print unit according to technical solution 2, the spy of the print unit of the technical solution of the utility model 9
Sign is that the reset pinion gear has been removed 1 tooth in pinion gear teeth.
In addition, the thermal printer of the technical solution of the utility model 10 has above-mentioned print unit, which is characterized in that institute
State can moving knife be set to printer main body, which has the recording sheet incorporating section for storing the recording sheet, also, institute
It states fixing cutter and is set to printer cover, which rotatably links with the printer main body, and right
The recording sheet incorporating section is opened and closed.
Detailed description of the invention
Fig. 1 is to show the printer cover of the thermal printer of the 1st embodiment of the utility model closing at closed position
State perspective view.
Fig. 2 is to show the printer cover of the thermal printer of the 1st embodiment of the utility model being opened to open position
State perspective view.
Fig. 3 is the perspective view for observing from below the print unit of the thermal printer of the 1st embodiment of the utility model.
Fig. 4 is that the print unit shown in the 1st embodiment of the utility model can be cut off between moving knife and fixing cutter
The perspective view of the state of recording sheet.
Fig. 5 is the print unit for the 1st embodiment for showing the utility model, side from the V arrow direction of Fig. 3
View.
Fig. 6 is the print unit for the 1st embodiment for showing the utility model, line VI -- VI along Fig. 3 section view
Figure.
Fig. 7 is to illustrate to generate between moving knife and fixing cutter in the print unit of the 1st embodiment of the utility model
Block the explanatory diagram of the movement of paper.
Fig. 8 be the print unit for the 1st embodiment that explanation makes the utility model can moving knife back to position of readiness
The explanatory diagram of movement.
Fig. 9 is the imprinter unit and head unit for illustrating to release the thermal printer of the 1st embodiment of the utility model
The explanatory diagram of the movement of locking.
Figure 10 is the solid for observing from below the print unit of the thermal printer of the 2nd embodiment of the utility model
Figure.
Figure 11 is the print unit for the 2nd embodiment for showing the utility model, XI-XI line along Figure 10 section view
Figure.
Figure 12 is to illustrate to generate between moving knife and fixing cutter in the print unit of the 2nd embodiment of the utility model
Block the explanatory diagram of the movement of paper.
Figure 13 be illustrate the utility model the 2nd embodiment make the 1st teeth portion of the 1st gear with reset pinion gear engage
Movement explanatory diagram.
Figure 14 is to illustrate that the 1st teeth portion of the 1st gear of the 2nd embodiment of the utility model crosses the tooth for resetting pinion gear
The explanatory diagram of the movement on top.
Figure 15 is the tooth top for illustrating the pinion gear teeth for having crossed reset pinion gear of the 2nd embodiment of the utility model
The explanatory diagram for the movement that 1st teeth portion is abutted with the side of next pinion gear teeth.
Figure 16 be the print unit for the 2nd embodiment that explanation makes the utility model can moving knife back to position of readiness
The explanatory diagram of movement.
Figure 17 is the imprinter unit and head unit for illustrating to release the thermal printer of the 2nd embodiment of the utility model
The explanatory diagram of the movement of locking.
Specific embodiment
Hereinafter, being illustrated based on 1st embodiment of the attached drawing to the utility model.
Fig. 1 is the perspective view for showing the thermal printer 1 that printer cover 3 is in closed position.Fig. 2 is to show printer cover 3
The perspective view of thermal printer 1 in open position.As shown in Figure 1 and Figure 2, thermal printer 1 is can to pull out to from roll paper R
Recording sheet P (heat-sensitive paper, paper) carry out printing and using recording sheet P as the printer of ticket, receipt etc..Thermal printer 1 has
There are shell (printer main body) 2, printer cover 3, the imprinter unit 4 for being set to 3 side of printer cover and is set to 2 side of shell
Head unit 5.Print unit 8 is constituted by imprinter unit 4 and head unit 5.
In addition, in embodiments, if at the closed position of printer cover shown in FIG. 13, lower left side relative to paper
(3 side of printer cover) is front (direction arrow FW), upper right side (2 side of shell) is rear (direction arrow BA), upside be top,
Downside is lower section.Moreover, it is assumed that recording sheet P is discharged from front FW.Also, it sets vertical with front-rear direction L1 and up and down direction L2
Direction is left and right directions L3.Therefore, according to the difference of each attached drawing, all directions can also overturn sometimes.
Shell 2 is formed as what FW forward was open by resin material or metal material or the appropriately combined of them
Cubic.Shell 2 is made of the outer mounting cover of frame body and covering frame frame body as basic framework.In the inside shape of shell 2
Recording sheet incorporating section 10 is opened wide by opening printer cover 3 at the recording sheet incorporating section 10 for having storage roll paper R.Recording sheet is received
The box being open towards front FW that portion 10 is formed as being made of a part of said frame body is received, so that width side on the inside of it
Roll paper R is stored to the consistent state of left and right directions L3.
In addition, being equipped with the 1st rotation axis 11 extended along left and right directions L3 in the lower part of the opening edge of shell 2.The 1st
Printer cover 3 is linked in a manner of it can rotate relative to shell 2 in rotation axis 11.Printer cover 3 is opened closing shell 2
The closed position (position of Fig. 1) of oral area and make between the open open position in the opening portion of shell 2 (position of Fig. 2) at 90 degree or so
Angular range in rotation.The opening portion (that is, recording sheet incorporating section 10) of shell 2 is opened and closed using printer cover 3 as a result,.
Open wide recording sheet incorporating section 10 when printer cover 3 is located at open position, for example, roll paper R can be put into recording sheet storage
In portion 10 (so-called investment (drop in) mode).
In addition, thermal printer 1 constitute are as follows: when printer cover 3 be in closed position, printer cover 3 terminal part and
Shell 2 is spaced apart tiny gap.Recording sheet P is led into front FW from the inside of shell 2 using the gap.Therefore, carefully
Small gap is functioned as the outlet 12 of recording sheet P.In addition, shell 2 and printer cover 3 are combining at closed position
It is locked in the state of imprinter unit 4 and head unit 5.Also, it is in the corner of the upper front in shell 2, be located at left and right
The combination of releasing imprinter unit 4 and head unit 5 is provided on the corner of the side of direction L3 to grasp to carry out the opening of printer cover 3
Operating stick 13 when making.
Fig. 3 is the perspective view for observing from below print unit 8.As shown in Figure 2 and Figure 3, head unit 5 is mainly to be assembled with heat
Head (not shown) and can moving knife 22 unit, the upper front being disposed in shell 2.Head unit 5 is fixed on the upper table from shell 2
Downwards in extended inner panel, it is maintained at the position of FW on the front than recording sheet incorporating section 10.
Head unit 5 have head frame 23, hot head, can moving knife 22, can moving knife driving mechanism (driving mechanism) 24, latch-release
Bar 25, resetting-mechanism 26 and unlocking mechanism 27.Head frame 23 is, for example, metal frame.Hot head has along right and left
To multiple heater elements of the linear arrangement of L3.
Imprinter unit 4 be installed on the top of the inner surface of printer cover 3, on front-rear direction L1 with 31 weight of strengthening part
At folded position, combined in a manner of separation with head unit 5 with the on-off action of printer cover 3.Specifically, coining
Unit 4 has roller platen 33, fixing cutter 34 and coining frame 35.Roller platen 33 is recording sheet P is transported to printer cover 3 outer
The roller in portion.Fixing cutter 34 is set to the inside of printer cover 3, is configured at front FW relative to roller platen 33.Imprinting frame 35 is
Support the frame of roller platen 33 and fixing cutter 34.In this way, fixing cutter 34 is set to printer cover 3.It is therefore not necessary in printer cover
On 3 setting driving can moving knife 22 can moving knife driving mechanism 24.It thus, can be well, it can be achieved that the lightweight of printer cover 3
Ensure operability when being opened and closed printer cover 3.
As shown in Figure 1 and Figure 2, according to the print unit 8 of thermal printer 1, the hot capitiform of head unit 5 becomes along left and right
The plate that direction L3 (width direction of recording sheet P) extends.Hot head has multiple hairs along the linear arrangement of left and right directions L3
Thermal element.Recording sheet P is printed by hot head.In addition, hot head and roller platen 33 are right when printer cover 3 is in closed position
It sets, is configured with recording sheet P in a manner of it can lead to paper between hot head and roller platen 33.
Also, to the hot head helical spring that (33 side of roller platen) exerts a force downward between hot head and roller platen 33.
Thereby, it is possible to which hot head is reliably pressed into the recording sheet P sent out by roller platen 33, it is able to carry out well beating for print unit 8
Print.
Fig. 4 be show make can the sliding of moving knife 22 it is mobile and can cut off in fixing cutter 34 and between moving knife 22 shape of recording sheet P
The figure of state.As shown in Figure 3, Figure 4, can moving knife 22 via can moving knife driving mechanism 24 and be set to shell 2 (referring to Fig. 2).It is beating
Print hood 3 is when being in closed position (referring to Fig.1), in the state that head unit 5 and imprinter unit 4 combine, can moving knife 22 match
It is set as on front-rear direction L1 opposite with fixing cutter 34.Can moving knife 22 be with from root 22a to the length of blade tip 22b from both ends to
The sword of the plate for the V shape that mode that is central and gradually shortening is formed.In addition, can moving knife 22 by can moving knife retainer 29 pacified
Loaded on can moving knife driving mechanism 24 drive rack 46.Can moving knife 22 constitute are as follows: can by can moving knife driving mechanism 24 it is dynamic
Make and is moved relative to being slided on head frame 23 in above-below direction L2.That is, can moving knife 22 be supported to can be relative to fixing cutter
34 sliding movements.
Fig. 5 is the figure observed along the V arrow direction of Fig. 3.As shown in figs. 3 and 5, can moving knife driving mechanism 24 be make it is movable
The mechanism that knife 22 moves between off-position P1 and position of readiness P2.Off-position P1 refer to can moving knife 22 ride fixing cutter 34
And can moving knife 22 cut off the position of recording sheet P together with fixing cutter 34.Position of readiness P2 refer to can moving knife 22 far from fixing cutter 34
Position.Specifically, can moving knife driving mechanism 24 have drive motor M1, the 1st~the 4th sliding tooth 41~44, driving it is small
Gear 45 and drive rack 46.
Drive motor M1 is the motor for capableing of positive and negative rotation.The drive shaft of 1st sliding tooth 41 and drive motor M1 connects
Knot.1st sliding tooth 41 links via the 2nd~the 4th sliding tooth 42~44 with driving pinion 45.Driving pinion 45 and pinion gear
Support shaft (support shaft) 48 is installed on coaxial.Pinion gear support shaft 48 integrally rotates together with driving pinion 45.Driving
Pinion gear 45 is respectively arranged with a pair on L3 in left and right directions.The drive rack 46 of a pair of of driving pinion 45 and left and right directions L3
Engagement.A pair of of driving pinion 45 is linked by pinion gear support shaft 48.
End (upper end) 46a of the side slave position of readiness P2 of drive rack 46 to the side off-position P1 end (lower end
Portion) 46b is formed with multiple drive rack teeth 47.That is, being formed in the whole region of drive rack 46 about drive rack 46
Drive rack tooth 47.Drive rack 46 be installed on can moving knife retainer 29 the both ends along left and right directions L3, along upper and lower
Direction L2 extends.That is, in drive rack 46 by means of can moving knife retainer 29 be equipped with can moving knife 22.Hereinafter, in order to be easy
Understand structure, the driving pinion 45 and drive rack 46 of the side drive motor M1 is described in detail, omits drive motor M1's
The driving pinion 45 of opposite side and the detailed description of drive rack 46.
Drive motor M1 is rotated forward, and the rotation of drive motor M1 is passed via the 1st~the 4 sliding tooth 41~44 as a result,
It is delivered to driving pinion 45.Driving pinion 45 rotates in the direction of arrow, the reset tooth of drive rack 46 and resetting-mechanism 26
Item 58 (aftermentioned) moves in the direction of arrowb together.Drive rack 46 is mobile, as a result, can moving knife 22 with drive rack 46 together
It moves linearly in the direction of arrowb.That is, can moving knife 22 be moved to off-position P1.
On the other hand, drive motor M1 is inverted, and the rotation of drive motor M1 is via the 1st~the 4th sliding tooth 41 as a result,
~44 and be transmitted to driving pinion 45.Driving pinion 45 rotates on the direction arrow C, and drive rack 46 is in the direction arrow D
Upper movement.Drive rack 46 is mobile, as a result, can moving knife 22 move linearly in the direction of arrowsd together with drive rack 46.
That is, can moving knife 22 be moved to position of readiness P2.
Unlocking lever 25 is rotatably supported on the sidewall portion 23a of a frame 23 via bar support shaft 51,
Specifically, unlocking lever 25 can carry out pushing operation towards rear.The terminal part 25a and operating stick of unlocking lever 25
The inside of 13 union body 16 (referring to Fig. 2) is chimeric.Locking solution is operated in linkage with the rotational action of operating stick 13 (referring to Fig. 2)
Except bar 25.
That is, by the way that operating stick 13 from latched position rotation operation to releasing position, is rotated operation locking to the direction arrow E
Release lever 25.The 1st gear 54 and the 2nd gear 55 are formed on the base end part 25b of unlocking lever 25.1st gear 54 is structure
At the component of a part of resetting-mechanism 26.2nd gear 55 is the component for constituting a part of unlocking mechanism 27.
Fig. 6 is the cross-sectional view along the line VI -- VI of Fig. 3.As shown in Fig. 3, Fig. 6, resetting-mechanism 26 be make can moving knife 22 from
Off-position P1 returns to the mechanism of position of readiness P2.Specifically, resetting-mechanism 26 has the 1st gear 54, resets pinion gear
57 and reset rack gear 58.1st gear 54 is formed in the upper end of the base end part 25b of unlocking lever 25.On before the 1st gear 54
Side is configured with reset pinion gear 57.Reset pinion gear 57 and be rotatably freely supported on pinion gear support shaft 48, and with driving
Pinion gear 45 is adjacent to arranged coaxial.Specifically, resetting the leaning in driving pinion 45 on L3 in left and right directions of pinion gear 57
The position of the center side of shell 2 (referring to Fig. 2) is configured along the side of driving pinion 45.In addition, resetting the formation of pinion gear 57
For that can be engaged with the 1st gear 54.
It is resetting the front of pinion gear 57 and rack gear 58 can resetted with resetting pinion gear 57 and being engagingly configured with.Reset tooth
Item 58 in left and right directions on L3 in the position of the center side by shell 2 (referring to Fig. 2) of drive rack 46 along drive rack 46
Side be integrally formed.Rack gear 58 is resetted by being integrally formed with drive rack 46, components number can not increased
In the case of have reset rack gear 58.Thus, it can be achieved that the simplification of the structure of print unit 8 (that is, thermal printer 1), also, can
Inhibit cost.
It resets rack gear 58 to be similarly formed with drive rack 46, and not with the number of teeth of the drive rack tooth 47 of drive rack 46
Together.That is, being formed with drive rack tooth 47 in the whole region of drive rack 46 about drive rack 46.On the other hand, tooth is resetted
Item 58 from can moving knife 22 blade tip 22b opposite side end (upper end) 58a to reset rack gear 58 substantial middle portion
Position 58b, which is formed with, resets rack tooth (rack tooth) 59.That is, reset rack gear 58 only can moving knife 22 blade tip 22b opposite side shape
Rack tooth 59 is resetted at having.Reset rack tooth 59 tooth form it is identical as the drive rack tooth 47 of drive rack 46, and with driving
Rack tooth 47 is formed in the same extension line.
By only can moving knife 22 blade tip 22b opposite side formed reset rack gear 58 reset rack tooth 59, resetting
Rack gear 58 is configured in the state of position of readiness P2, resets the nibbling relative to the reset rack tooth 59 for resetting rack gear 58 of pinion gear 57
Conjunction is released from (referring to Fig. 8).On the other hand, in the state that reset rack gear 58 is configured at off-position P1, reset tooth is remained
The state that the reset rack tooth 59 of item 58 is engaged with reset pinion gear 57.
Make the 1st gear 54 by carrying out rotation operation to the direction arrow E to unlocking lever 25 according to resetting-mechanism 26
It is engaged with pinion gear 57 is resetted.By continuing to carry out rotation operation to unlocking lever 25 in this state, make to reset pinion gear
57 rotate in the direction of arrowf.It resets pinion gear 57 to rotate, resets rack gear 58 as a result, with drive rack 46 together in the arrow side G
It moves up.Can moving knife 22 with reset rack gear 58 moved on the direction arrow G together.In such manner, it is possible to unlocking lever 25 to
The rotational action in the direction arrow E make in linkage can moving knife 22 it is mobile towards the direction arrow G (that is, position of readiness P2).
Here, reset pinion gear 57 eliminates 1 between the adjacent pinion gear teeth 57a in multiple pinion gear teeth 57a
Tooth (pinion gear teeth 57a).In this way, by removing 1 tooth between adjacent pinion gear teeth 57a, it is ensured that adjacent pinion gear teeth
Interval between 57a is larger.Therefore, when engaging pinion gear teeth 57a with reset rack tooth 59, it is able to suppress pinion gear teeth
The end touched and reset rack tooth 59 is supported in the end of 57a.Thereby, it is possible to nibble pinion gear teeth 57a successfully with rack tooth 59 is resetted
It closes.In addition, as other examples, for example, it is also possible to not remove the shape of 1 tooth between adjacent pinion gear teeth 57a
Reset pinion gear 57.
In addition, resetting pinion gear 57 is rotatably freely supported on pinion gear support shaft 48.Therefore, can moving knife 22 be located at
In the case where position of readiness P2, even if operation unlocking lever 25, pass through the power of the bar operation generation of unlocking lever 25
Also being not delivered to can moving knife driving mechanism 25 and can moving knife 22.As a result, such as the mistake blocking paper (that is, paper jam) with no generation
In the case that state accidentally operates unlocking lever 25, the latch-release of imprinter unit 4 (referring to Fig. 2) can be only realized.
In addition, being formed with the 2nd gear 55 of unlocking mechanism 27 in the base end part 25b of unlocking lever 25.Locking solution
Except mechanism 27 is to release the mechanism of the locking of printer cover 3 (referring to Fig.1) in linkage with the rotational action of unlocking lever 25.It changes
Yan Zhi releases locking of the imprinter unit 4 relative to head unit 5 using unlocking lever 25.Specifically, unlocking mechanism 27
With the 2nd gear 55 and release plate 62.Release the side wall that plate 62 is rotatably freely supported on a frame 23 via plate support shaft 66
The portion side 23a, the 2nd gear 55 rear.Releasing plate 62 has lifting gear 63 and release cam 64.
Lifting gear 63 is formed to engage with the 2nd gear 55 of unlocking lever 25.Release cam 64 is and releasing
Gear 63 is integrally formed and releases the combined cam of head unit 5 and imprinter unit 4 (referring to Fig. 2).Release cam 64 is from releasing
The rotation center (that is, plate support shaft 66) of plate 62 protrudes downward.
Make the 2nd tooth by carrying out rotation operation to the direction arrow E to unlocking lever 25 according to unlocking mechanism 27
Wheel 55 is engaged with lifting gear 63.Continue to carry out rotation operation to unlocking lever 25 in this state, lifting gear 63 is made to exist
It is rotated in arrow H direction.Lifting gear 63 rotates, and release cam 64 is put to arrow H direction together with lifting gear 63 as a result,
It is dynamic.Release cam 64 is swung, and release cam 64 is sticked in the cam follower 71 of imprinter unit 4 (referring to Fig. 2) side as a result,.It releases
Put cam 64 and be sticked in cam follower 71, as a result, to make lock pin 72 from the direction that recess portion 73 is detached from release cam follower 71.
Lock pin 72 is detached from from recess portion 73, releases the combination of imprinter unit 4 and head unit 5 (referring to Fig. 2) as a result,.
Here, when operating locking of the unlocking lever 25 to release printer cover 3, driving pinion 45 can be kept
For non-rotating state (halted state).Thereby, it is possible to can moving knife 22 be maintained at position of readiness P2 in the state of, release printing
The locking of hood 3.
Then, illustrated that blocking paper can be produced between moving knife 22 and fixing cutter 34 in thermal printer 1 according to Fig. 7, Fig. 8
In the case where 81 using resetting-mechanism 26 make can moving knife 22 return to position of readiness P2 example.Here, make resetting-mechanism 26 dynamic
Unlocking lever 25 and operating stick 13 (referring to Fig. 2) linkage of work.But in Fig. 7, Fig. 8, for easy understanding resetting-mechanism
26 movement carries out the explanation of the movement of resetting-mechanism 26 according to the operation of unlocking lever 25.
Fig. 7 is the explanatory diagram illustrated in the movement that can generate blocking paper (paper jam) 81 between moving knife 22 and fixing cutter 34.Such as
Shown in Fig. 7, make can the sliding of moving knife 22 be moved to off-position P1, recording sheet P can be cut off in fixing cutter 34 and between moving knife 22.It examines
Blocking paper 81 can generated in this state by considering between moving knife 22 and fixing cutter 34.It considers: blocking paper 81 due to generating, it can
Moving knife 22 stops at the position for riding fixing cutter 34.
Can moving knife 22 stop in the case where, rotation operation is carried out to the direction arrow I to unlocking lever 25.1st gear
54 move along the direction arrow J towards pinion gear 57 is resetted, to engage with pinion gear 57 is resetted.Continue in this state to locking
Release lever 25 carries out rotation operation, thus rotates reset pinion gear 57 along the direction arrow K using the 1st gear 54.Reset small tooth
57 rotation of wheel resets rack gear 58 as a result, and moves along the direction arrow L.It is mobile to reset rack gear 58, it as a result, can moving knife 22 and reset tooth
Item 58 is moved along the direction arrow L together.
Fig. 8 be explanation make can moving knife 22 back to position of readiness P2 movement explanatory diagram.As shown in figure 8, passing through reset
The rotation of pinion gear 57, make can moving knife 22 along the direction arrow L move and back to position of readiness P2.In this way, making to reset pinion gear
57 engage with the reset rack tooth 59 for resetting rack gear 58.Furthermore it is possible to make unlocking lever 25 and reset the linkage of pinion gear 57.Cause
This can make reset rack gear 58 reliably return to position of readiness by operating unlocking lever 25 using pinion gear 57 is resetted
P2.Here, rack gear 58 is resetted to be formed as one with drive rack 46 (referring to Fig. 5).Being equipped in drive rack 46 can moving knife
22.As a result, by operation unlocking lever 25, can using reset pinion gear 57 and reset rack gear 58 make can moving knife 22 reliably
Back to position of readiness P2.
But reset rack gear 58 only can moving knife 22 blade tip 22b opposite side be formed with reset rack tooth 59.Therefore,
Can moving knife 22 return to position of readiness P2 in the state of, it is de- from the reset rack tooth 59 for resetting rack gear 58 to reset pinion gear 57
From.That is, relieving the engagement for resetting pinion gear 57 relative to the reset rack tooth 59 for resetting rack gear 58.Therefore, make can moving knife
22 return to after position of readiness P2, when releasing the locking of printer cover 3 (referring to Fig.1), can not make to reset the shifting of rack gear 58
Unlocking lever 25 is operated in the case where dynamic.Thereby, it is possible to can moving knife 22 be held in position of readiness P2 in the state of release
The locking of printer cover 3.
Then, according to fig. 2, Fig. 9 illustrate using unlocking mechanism 27 release thermal printer 1 printer cover 3 lock
Fixed example.In Fig. 9, for easy understanding movement of unlocking mechanism 27 is carried out according to the movement of unlocking lever 25
The action specification of resetting-mechanism 26.Fig. 9 is the explanatory diagram for illustrating to release the movement of the locking of imprinter unit 4 and head unit 5.
As shown in figure 9, make can moving knife 22 back to position of readiness P2 in the state of, continue to unlocking lever 25 to arrow
The direction head I carries out rotation operation.By carrying out rotation operation to unlocking lever 25, move the 2nd gear 55 along the direction arrow M
It is dynamic, to be engaged with lifting gear 63.It continues to carry out rotation operation to unlocking lever 25 in this state, makes to release
Gear 63 is rotated along the direction arrow N.Lifting gear 63 rotates, and release cam 64 is with lifting gear 63 together along the arrow side N as a result,
To swing.
Release cam 64 is swung, and release cam 64 is sticked in the cam follower of imprinter unit 4 (referring to Fig. 2) side as a result,
71.Release cam 64 is sticked in cam follower 71, as a result, to make lock pin 72 from the direction that recess portion 73 is detached from release cam driven
Portion 71.Lock pin 72 is detached from from recess portion 73, relieves the lock of the assembled state of imprinter unit 4 and head unit 5 (referring to Fig. 2) as a result,
It is fixed.
As shown in Fig. 2, being axis with the 1st rotation axis 11 in the state of relieving the locking of imprinter unit 4 and head unit 5
Open printer cover 3.Thereby, it is possible to open wide recording sheet incorporating section 10, take out blocking paper 81 (referring to Fig. 8).
As in Fig. 2, Fig. 7~illustrated in fig. 9, in the lock for releasing printer cover 3 (specifically, imprinter unit 4)
Before fixed, unlocking lever 25 and resetting-mechanism 26 is made to link.It, can by operating resetting-mechanism 26 using unlocking lever 25
Using resetting-mechanism 26 make can moving knife 22 reliably return to position of readiness P2.In this way, can get by make can moving knife 22 it is reliable
Ground can be released relatively easily back to position of readiness P2 in fixing cutter 34 and the blocking paper 81 that can be generated between moving knife 22
Thermal printer 1.In addition, the unlocking lever 25 and resetting-mechanism 26 by the locking for making to release printer cover 3 link, it can
The unlocking lever 25 for releasing the locking of printer cover 3 is also used as to the bar of removal blocking paper 81.Thereby, it is possible to inhibit printing list
The increase of the components number of first 8 (that is, thermal printers 1), it can be achieved that structure simplification.
Here, the terminal part 25a of unlocking lever 25 and the inside of union body 16 of operating stick 13 are chimeric.Therefore, with behaviour
The rotational action for making bar 13 operates unlocking lever 25 in linkage.By operating operating stick 13 from latched position rotation to release
Position, unlocking lever 25 can court rotates backward in linkage with operating stick 13.Therefore, resetting-mechanism 26, locking can be made
Releasing mechanism 27 works as illustrated by fig. 7 to fig. 9.As a result, by rotating operating stick 13 from latched position
It operates to releasing position, resetting-mechanism 26, unlocking mechanism 27 can be made to carry out work to remove blocking paper 81.
Next, illustrating the print unit 100 of the 2nd embodiment based on Figure 10, Figure 11.In addition, in the 2nd embodiment
It is identical as the print unit 8 of the 1st embodiment in print unit 100, identical label is marked to like, and omit detailed
Thin explanation.
Figure 10 is the perspective view for observing from below the print unit 100 of the 2nd embodiment.Figure 11 is the XI- along Figure 10
The cross-sectional view of XI line.As shown in Figure 10, Figure 11, in print unit 100, the unlocking lever 25 of the 1st embodiment is replaced
For unlocking lever 102, the resetting-mechanism 26 of the 1st embodiment is replaced with into resetting-mechanism 103.Print unit 100 other
Structure is identical as the print unit 8 of the 1st embodiment.
The bar support shaft 104 of unlocking lever 102 and the rotation center of unlocking lever 102 coaxially support latch-release
Bar 102.The 1st gear 105 and sun gear 107 are coaxially rotatably freely supported with via the bar support shaft 104.1st gear
105 and sun gear 107 be formed as one.1st gear 105 and sun gear 107 are a part for constituting resetting-mechanism 103
Component.
It is same as the resetting-mechanism 26 of the 1st embodiment, resetting-mechanism 103 be make can moving knife 22 returned from off-position P1
To the mechanism of position of readiness P2.Specifically, resetting-mechanism 103 has the 1st gear 105, resets pinion gear 57, resets rack gear 58
With acceleration mechanism 106.
1st gear 105 is supported to rotate freely via the bar support shaft 104 of unlocking lever 102.Bar support shaft 104
It is coaxially supported with the rotation center of unlocking lever 102.1st gear 105 has the 1st teeth portion 112.1st teeth portion 112 is matched
It is placed in the side clockwise end 105a on the circular arc of the 1st gear 105.In other words, the 1st teeth portion 112 forms the 1st gear
The teeth portion of 105 foremost clockwise.That is, by rotating the 1st gear 105 counterclockwise (arrow O), by
The 1st teeth portion 112 in this 1st gear 105 is engaged with reset pinion gear 57 at first.It is nibbled in the 1st teeth portion 112 with pinion gear 57 is resetted
After conjunction, the 1st gear 105 is made to continue to rotate counterclockwise (arrow O), as a result, the 1st gear at the rear of the 1st teeth portion 112
105 continuously engage with pinion gear 57 is resetted.
Here, the 1st teeth portion 112 of the 1st gear 105 is formed in the terminal part 113a of arm 113.The base end part of arm 113
The base portion 105b of 113b and the 1st gear 105 connection.Base portion 105b is formed as the arc-shaped coaxial with bar support shaft 104.Arm
113 separate specified interval with base portion 105b in radial outside and are formed in bending.Arm 113 is formed to base end part
113b is radially flexible deformation of the fulcrum in the 1st gear 105.Therefore, by becoming arm 113 towards base portion 105b elasticity
Shape can be such that the 1st teeth portion 112 keeps out of the way to the radially inner side of the 1st gear 105.Being described in detail later is formed as the 1st teeth portion 112
The reasons why capable of keeping out of the way to the radially inner side of the 1st gear 105.
The sun gear 107 of 1st gear 105 and acceleration mechanism 106 is formed as one.Acceleration mechanism 106 has sun tooth
Wheel 107, planetary gear 108 and internal gear (internal-gear) 109.Sun gear 107 and the 1st gear 105 are coaxially disposed.Sun tooth
Wheel 107 is integrally formed in the inner surface of the 1st gear 105.Planetary gear is configured in a manner of engagement on sun gear 107
108.Planetary gear 108 is rotatably freely supported on unlocking lever 102 via planet axis 115.Planet axis 115 is set to phase
At the position biased for bar support shaft 104.Therefore, by rotating unlocking lever 102 with 104 axis of bar support shaft, by
This planet axis 115 (that is, planetary gear 108) is followed the movement of unlocking lever 102 and is revolved centered on bar support shaft 104.
Planetary gear 108 is engaged with internal gear 109.Internal gear 109 is formed in the interior of cover bending section 117 in arc-shaped
Week.Cover bending section 117 and the side cover 118 for the side for covering print unit 100 are formed as one.
According to resetting-mechanism 103, unlocking lever 102 is that axis rotates on operation direction with bar support shaft 104, as a result,
Planet axis 115 (that is, planetary gear 108) is followed the movement of unlocking lever 102 and is revolved centered on bar support shaft 104.Row
Star gear 108 revolves, and planetary gear 108 clockwises rotation (rotation) while engaging with internal gear 109 as a result,.
Therefore, sun gear 107 rotates counterclockwise.1st gear 105 rotates counterclockwise together with sun gear 107.
By rotating sun gear 107 counterclockwise using planetary gear 108, the 1st gear 105 and sun gear
107 integrally (arrow O) rotations counterclockwise.It is accordingly possible to ensure the rotation amount of the 1st gear 105 is solved relative to locking
Except the path increment of bar 102 is larger.In this way, the 1st gear 105 is independently supported on unlocking lever in a manner of it can rotate
102.Also, the sun gear 107 of acceleration mechanism 106 is formed as one with the 1st gear 105, and thereby, it is possible to by latch-release
The path increment of bar 102, which is suppressed under lesser state, ensures that the rotation amount of the 1st gear 105 is larger.As a result, make can moving knife 22 return
When returning to position of readiness P2, it can ensure the operability of unlocking lever 102 well.
Then, illustrated according to Figure 12~Figure 16 stifled in being produced between moving knife 22 and fixing cutter 34 for print unit 100
Plug paper 81 in the case where using resetting-mechanism 103 make can moving knife 22 return to position of readiness P2 example.Here, make resetting-mechanism
Unlocking lever 102 and operating stick 13 (referring to Fig. 2) linkage of 103 work.But in Figure 12~Figure 16, in order to be easy to manage
The movement for solving resetting-mechanism 103 carries out the explanation of the movement of resetting-mechanism 103 according to the operation of unlocking lever 102.
Figure 12 is the explanatory diagram illustrated in the movement that can generate blocking paper (paper jam) 81 between moving knife 22 and fixing cutter 34.Such as
Shown in Figure 12, make can the sliding of moving knife 22 be moved to off-position P1, to be recorded in fixing cutter 34 and can cutting off between moving knife 22
Paper P.In view of blocking paper 81 can be being generated between moving knife 22 and fixing cutter 34 in this state.It considers: due to generating blocking
Paper 81, can moving knife 22 stop at the position for riding fixing cutter 34.
Can moving knife 22 stop in the case where, rotation operation is carried out to the direction arrow P to unlocking lever 102.Planet tooth
Wheel 108 centered on bar support shaft 104 along the direction arrow Q revolve, also, centered on planet axis 115 along the direction arrow R from
Turn.Therefore, sun gear 107 is rotated along the direction arrow S.Sun gear 107 rotates, as a result, the 1st gear 105 and sun gear
107 rotate along the direction arrow S together.
Figure 13 is the explanatory diagram for the movement that explanation engages the 1st teeth portion 112 of the 1st gear 105 with reset pinion gear 57.Such as
Shown in Figure 13, the 1st gear 105 is moved along the direction arrow S towards reset pinion gear 57 and is engaged with pinion gear 57 is resetted.The 1st
When gear 105 is engaged with reset pinion gear 57, firstly, the 1st teeth portion 112 of the 1st gear 105 is engaged with pinion gear 57 is resetted.This
In, it resets pinion gear 57 and is rotatably freely supported on pinion gear support shaft 48.It is therefore contemplated that in the 1st tooth of the 1st gear 105
When portion 112 will be engaged with reset pinion gear 57, the tooth top 57b for resetting the pinion gear teeth 57a of pinion gear 57 is configured at and the 1st teeth portion
At the position that 112 tooth top 112a is abutted.
Figure 14 is to illustrate that the 1st teeth portion 112 of the 1st gear 105 crosses the explanation for resetting the movement of tooth top 57b of pinion gear 57
Figure.As shown in figure 14, in the case where the tooth top 112a of the 1st teeth portion 112 is abutted with the tooth top 57b for resetting pinion gear 57, the 1st tooth
The rotation of wheel 105 is possible to the prevention of pinion gear 57 that is reset.Therefore, the 1st teeth portion 112 of the 1st gear 105 is formed in arm
113 terminal part 113a.Therefore, by making 113 flexible deformation of arm, diameter of the 1st teeth portion 112 towards the 1st gear 105 can be made
Keep out of the way inwardly along the direction arrow T.In this state, the 1st gear 105 is rotated as arrow S towards counter clockwise direction, and the 1st
Teeth portion 112 crosses the tooth top 57b for resetting the pinion gear teeth 57a of pinion gear 57.
Figure 15 be explanation crossed reset pinion gear 57 pinion gear teeth 57a tooth top 57b the 1st teeth portion 112 with it is next
The explanatory diagram for the movement that the side 57c of a pinion gear teeth 57a is abutted.As shown in figure 15, it is crossed in the 1st teeth portion 112 and resets small tooth
After the tooth top 57b of the pinion gear teeth 57a of wheel 57, the 1st teeth portion 112 is resetted by means of the recuperability of arm 113 from retreating position
To original position.The 1st teeth portion 112 after reset is abutted with side (flank of tooth) 57c of next pinion gear teeth 57a.
" next pinion gear teeth 57a " refers to the pinion gear teeth 57a that crosses with the 1st teeth portion 112 in the rotation of the 1st teeth portion 112
Turn the adjacent pinion gear teeth 57a in direction (that is, the direction arrow S).In other words, refer to and cross pinion gear teeth 57a in the 1st teeth portion 112
Later, the pinion gear teeth 57a abutted first along the 1st teeth portion 112 that the direction arrow S rotates.The 1st teeth portion 112 after reset is under
The side 57c of one pinion gear teeth 57a is abutted, and thereby, it is possible to make to reset small tooth using the 1st teeth portion 112 (that is, the 1st gear 105)
Wheel 57 is rotated along the direction arrow U.
Figure 16 be explanation make can moving knife 22 back to position of readiness P2 movement explanatory diagram.As shown in figure 16, by after
It is continuous that rotation operation is carried out along the direction arrow P to unlocking lever 102, make to reset pinion gear 57 along arrow U by the 1st gear 105
Continue to rotate in direction.It resets pinion gear 57 to rotate, as a result, in a same manner as in the first embodiment, resets rack gear 58 and moved along arrow Y-direction
It is dynamic.It is mobile to reset rack gear 58, as a result, can moving knife 22 moved together along arrow Y-direction and with rack gear 58 is resetted back to standby position
Set P2.
Here, the sun gear 107 of acceleration mechanism 106 is formed as one with the 1st gear 105.Therefore, it can will lock
The path increment of release lever 102 be suppressed under lesser state ensure to make can moving knife 22 back to the 1st tooth needed for position of readiness P2
The rotation amount of wheel 105.Thereby, it is possible to ensure the operability of unlocking lever 102 well.
In addition, reset rack gear 58 only can moving knife 22 blade tip 22b opposite side be formed with reset rack tooth 59.Therefore,
Can moving knife 22 return to position of readiness P2 in the state of, it is de- from the reset rack tooth 59 for resetting rack gear 58 to reset pinion gear 57
From.That is, in a same manner as in the first embodiment, relieving and resetting the nibbling relative to the reset rack tooth 59 for resetting rack gear 58 of pinion gear 57
It closes.Therefore, make can moving knife 22 back to after position of readiness P2, can when releasing the locking of printer cover 3 (referring to Fig.1)
Unlocking lever 102 is operated in the case where not making and resetting the movement of rack gear 58.Thereby, it is possible to can moving knife 22 be held in it is standby
The locking of printer cover 3 is released in the state of the P2 of position.
Then, according to fig. 2, Figure 17 illustrate using unlocking mechanism 27 release thermal printer 1 printer cover 3 lock
Fixed example.In Figure 17, for easy understanding movement of unlocking mechanism 27, according to the movement of unlocking lever 102 into
The action specification of row resetting-mechanism 103.Figure 17 is the explanatory diagram for illustrating to release the movement of the locking of imprinter unit and head unit.
As shown in figure 17, make can moving knife 22 back to position of readiness P2 in the state of, continue to unlocking lever 102 to
The direction arrow P carries out rotation operation.By carrying out rotation operation to unlocking lever 102, make the 2nd gear 55 along the direction arrow S
It is mobile, to be engaged with lifting gear 63.It continues to carry out unlocking lever 102 along the direction arrow P in this state
Rotation operation, rotates lifting gear 63 along the direction arrow W.Lifting gear 63 rotates, as a result, release cam 64 and lifting gear
63 swing along the direction arrow W together.
Release cam 64 is swung, and release cam 64 is sticked in the cam follower of imprinter unit 4 (referring to Fig. 2) side as a result,
71.Release cam 64 is sticked in cam follower 71, as a result, to make lock pin 72 from the direction that recess portion 73 is detached from release cam driven
Portion 71.Lock pin 72 is detached from from recess portion 73, relieves the lock of the assembled state of imprinter unit 4 and head unit 5 (referring to Fig. 2) as a result,
It is fixed.
As shown in Fig. 2, being axis with the 1st rotation axis 11 in the state of relieving the locking of imprinter unit 4 and head unit 5
Open printer cover 3.Thereby, it is possible to open wide recording sheet incorporating section 10, blocking paper 81 (referring to Fig.1 6) is taken out.
As in Fig. 2, Figure 12~illustrated in fig. 17, printer cover 3 (specifically, imprinter unit 4) is being released
Before locking, unlocking lever 102 and resetting-mechanism 103 is made to link.By operating resetting-mechanism using unlocking lever 102
103, can using resetting-mechanism 103 make can moving knife 22 reliably return to position of readiness P2.In this way, can get movable by making
Knife 22 reliably returns to position of readiness P2 and can relatively easily release in fixing cutter 34 and can generate between moving knife 22 stifled
Fill in the thermal printer 1 of paper 81.In addition, passing through the unlocking lever 102 and resetting-mechanism of the locking for making to release printer cover 3
The unlocking lever 102 for releasing the locking of printer cover 3 can be also used as the bar of removal blocking paper 81 by 103 linkages.As a result,
Be able to suppress the increase of the components number of print unit 8 (that is, thermal printer 1), it can be achieved that structure simplification.
Here, the terminal part 102a of unlocking lever 102 and the inside of union body 16 of operating stick 13 are chimeric.Therefore, with
The rotational action of operating stick 13 operates unlocking lever 102 in linkage.By by operating stick 13 from latched position rotation operation to
Releasing position, unlocking lever 102 can court rotates backward in linkage with operating stick 13.Therefore, resetting-mechanism can be made
103, unlocking mechanism 27 works as in Figure 12~illustrated in fig. 17.As a result, by by operating stick 13 from lock
Positioning sets rotation operation to releasing position, and resetting-mechanism 103, unlocking mechanism 27 can be made to carry out work to remove blocking
Paper 81.
In addition, the technical scope of the utility model is not limited to above embodiment, the utility model master can not departed from
Apply various changes in the range of purport.For example, in the above-described embodiment, it is (specific to fixing cutter 34 is set to printer cover 3
For, imprinter unit 4) and can moving knife 22 be set to the example of shell 2 (specifically, head unit 5) and be illustrated, but not
It is limited to this.As other examples, for example, fixing cutter 34 can also be set to shell 2 and can moving knife 22 be set to printer cover
3。
In addition, in the first embodiment described above and the 2nd embodiment, simultaneously to the state for being kept constant fixing cutter 34
Using unlocking lever 25 make can moving knife 22 back to position of readiness P2 thus remove block paper 81 example be illustrated, but
It is without being limited thereto.As other examples, for example, can also using unlocking lever 25 make can moving knife 22 back to position of readiness P2
When, make fixing cutter 34 to far from can moving knife 22 direction decline.In this case, make fixing cutter 34 far from can moving knife 22 movement
Also it is configured to operate using unlocking lever 25.
Also, in the first embodiment described above and the 2nd embodiment, to turn for making unlocking lever 25 and operating stick 13
The example of movement linkage is illustrated, but not limited to this.As other examples, it such as can also constitute are as follows: solve locking
Except the terminal part 25a of bar 25 exposes to the outside of shell 2, user directly operates unlocking lever 25 from the outside of shell 2.
In addition, reset tooth is integrally formed to drive rack 46 in the first embodiment described above and the 2nd embodiment
The example of 58 side of item is illustrated, but not limited to this.It as other examples, such as can also be dividually only with drive rack 46
It is vertical to have reset rack gear 58.In this case, need to reset rack gear 58 is installed on can moving knife 22.
Also, in the first embodiment described above and the 2nd embodiment, drive rack 46 is configured to rack gear 58 will be resetted
The example of inside be illustrated, but not limited to this.As other examples, such as reset rack gear 58 can also be configured at drive
The outside of carry-over bar 46.
In addition, adding in above-mentioned 2nd embodiment to being made of sun gear 107, planetary gear 108 and internal gear 109
The example of fast mechanism 106 is illustrated, but not limited to this.It can also make 106 other structures of acceleration mechanism.
Claims (10)
1. a kind of print unit comprising:
Head unit has the hot head printed to recording sheet；
Imprinter unit, has a roller platen for conveying the recording sheet, and with the head unit in a manner of separation into
Row combination；
Fixing cutter, the either side being set in the head unit and the imprinter unit；
Can moving knife, any other party being set in the head unit and the imprinter unit, and relative to the fixation
Knife sliding movement；
Driving mechanism, make it is described can moving knife with the fixing cutter mutually from position of readiness and the cutting of riding the fixing cutter
Movement is slided between position；
Unlocking lever releases locking of the imprinter unit relative to the head unit；And
Resetting-mechanism, it is described can moving knife stop at the off-position in the state of, the resetting-mechanism and the latch-release
Bar linkage and make before the locking for releasing the imprinter unit it is described can moving knife be moved to the position of readiness.
2. print unit according to claim 1, which is characterized in that
The resetting-mechanism includes
Rack gear is resetted, the drive rack of the driving mechanism is formed in；And
Pinion gear is resetted, the rack gear tooth engagement with the reset rack gear, and can link with the unlocking lever.
3. print unit according to claim 2, which is characterized in that
The resetting-mechanism includes
1st gear and sun gear, they are supported to coaxially rotate freely with the rotation center of the unlocking lever；
Planetary gear is supported to rotate freely in a manner of engaging with the sun gear, and follows the locking solution
Except bar movement and revolve；And
Internal gear is engaged with the planetary gear,
1st gear is formed to engage with the reset pinion gear.
4. print unit according to claim 3, which is characterized in that
The rack gear that resets has a following rack tooth: the rack tooth be formed in it is described can moving knife blade tip opposite side so that
In the state that the reset rack gear is configured in the off-position, which engages with the reset pinion gear, and
In the state that the reset rack gear is configured in the position of readiness, which, which releases, resets nibbling for pinion gear with described
It closes.
5. print unit according to claim 4, which is characterized in that
The driving engaged with the drive rack that the reset pinion gear is rotatably freely set to the driving mechanism is small
The support shaft of gear.
6. print unit according to claim 5, which is characterized in that
The reset pinion gear has been removed 1 tooth in pinion gear teeth.
7. print unit according to claim 3, which is characterized in that
1st gear has the 1st teeth portion, and the 1st teeth portion can be engaged with the reset pinion gear at first, and can be to diameter
Keep out of the way inwardly.
8. print unit according to claim 2, which is characterized in that
The driving engaged with the drive rack that the reset pinion gear is rotatably freely set to the driving mechanism is small
The support shaft of gear.
9. print unit according to claim 2, which is characterized in that
The reset pinion gear has been removed 1 tooth in pinion gear teeth.
10. a kind of thermal printer, with print unit described in claim 1, which is characterized in that
It is described can moving knife be set to printer main body, which has the recording sheet incorporating section for storing the recording sheet,
Also,
The fixing cutter is set to printer cover, which rotatably links with the printer main body,
And the recording sheet incorporating section is opened and closed.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-147873 | 2017-07-31 | ||
| JP2017147873 | 2017-07-31 | ||
| JP2017-189157 | 2017-09-28 | ||
| JP2017189157A JP6966279B2 (en) | 2017-07-31 | 2017-09-28 | Printing unit and thermal printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208946888U true CN208946888U (en) | 2019-06-07 |
Family
ID=65475409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821210435.9U Withdrawn - After Issue CN208946888U (en) | 2017-07-31 | 2018-07-27 | Print unit and thermal printer |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6966279B2 (en) |
| CN (1) | CN208946888U (en) |
| TW (1) | TWI763890B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318601A (en) * | 2017-07-31 | 2019-02-12 | 精工电子有限公司 | Print unit and thermal printer |
| CN111907222A (en) * | 2020-08-17 | 2020-11-10 | 沃博思（厦门）电子科技有限公司 | Printer with cutter |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7189052B2 (en) * | 2018-12-28 | 2022-12-13 | セイコーインスツル株式会社 | Printing unit and thermal printer |
| JP7515333B2 (en) | 2019-12-02 | 2024-07-12 | セイコーインスツル株式会社 | Printing unit and thermal printer |
| CN113263840B (en) * | 2021-04-28 | 2024-07-23 | 宁波精芯科技有限公司 | Thermal printer core |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06231321A (en) * | 1993-01-29 | 1994-08-19 | Orient Watch Co Ltd | Ticket issuing device |
| US5717836A (en) * | 1995-03-09 | 1998-02-10 | Matsushita Electric Industrial Co., Ltd. | Printing apparatus having a retractable curl removal member and reversible roller |
| JP3730153B2 (en) * | 2001-10-18 | 2005-12-21 | セイコーインスツル株式会社 | Printer cutter device |
| JP4174489B2 (en) * | 2005-04-13 | 2008-10-29 | Ｎｅｃインフロンティア株式会社 | Cutter device and printer provided with cutter device |
| BRPI0600439B1 (en) * | 2006-03-06 | 2019-01-22 | Bematech S A | thermal printer and its drive method |
| JP5378900B2 (en) * | 2009-07-29 | 2013-12-25 | セイコーインスツル株式会社 | Cutter mechanism and printer with cutter |
| JP5977619B2 (en) * | 2012-08-23 | 2016-08-24 | 富士通コンポーネント株式会社 | Printer device |
| JP6297862B2 (en) * | 2014-02-28 | 2018-03-20 | 富士通コンポーネント株式会社 | Printer device |
| TWI508870B (en) * | 2014-05-26 | 2015-11-21 | Hiti Digital Inc | Printing device with duplex printing function |
| CN204172502U (en) * | 2014-08-08 | 2015-02-25 | 宁波精芯科技有限公司 | Automatic paper-cutting thermal printer cassette |
| JP6507892B2 (en) * | 2014-08-25 | 2019-05-08 | セイコーエプソン株式会社 | Cutter drive mechanism, cutter and printer |
| CN206049045U (en) * | 2016-08-31 | 2017-03-29 | 重庆品胜科技有限公司 | A kind of cassette mechanism structure |
| CN106864042B (en) * | 2017-02-14 | 2018-01-12 | 厦门容大合众电子科技有限公司 | A compatible three kinds of printing papers and dismounting flying print movement easy to maintenance |
-
2017
- 2017-09-28 JP JP2017189157A patent/JP6966279B2/en active Active
-
2018
- 2018-07-24 TW TW107125459A patent/TWI763890B/en active
- 2018-07-27 CN CN201821210435.9U patent/CN208946888U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318601A (en) * | 2017-07-31 | 2019-02-12 | 精工电子有限公司 | Print unit and thermal printer |
| CN109318601B (en) * | 2017-07-31 | 2021-04-20 | 精工电子有限公司 | Printing unit and thermal printer |
| CN111907222A (en) * | 2020-08-17 | 2020-11-10 | 沃博思（厦门）电子科技有限公司 | Printer with cutter |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201919918A (en) | 2019-06-01 |
| JP6966279B2 (en) | 2021-11-10 |
| JP2019025888A (en) | 2019-02-21 |
| TWI763890B (en) | 2022-05-11 |
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