CN108372728A - The transmission device and Portable printer of Portable printer - Google Patents
The transmission device and Portable printer of Portable printer Download PDFInfo
- Publication number
- CN108372728A CN108372728A CN201810269270.0A CN201810269270A CN108372728A CN 108372728 A CN108372728 A CN 108372728A CN 201810269270 A CN201810269270 A CN 201810269270A CN 108372728 A CN108372728 A CN 108372728A
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- gear
- support
- conveying roller
- state
- transmission device
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- 230000033001 locomotion Effects 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 description 27
- 238000007639 printing Methods 0.000 description 23
- 238000010586 diagram Methods 0.000 description 12
- 230000000007 visual effect Effects 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 230000003028 elevating effect Effects 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 5
- 230000001174 ascending effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 210000000515 tooth Anatomy 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/36—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for portability, i.e. hand-held printers or laptop printers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J23/00—Power drives for actions or mechanisms
- B41J23/02—Mechanical power drives
Landscapes
- Handling Of Sheets (AREA)
Abstract
The present invention provides the transmission devices of Portable printer, including：First gear is located on the conveying roller of printer, and the conveying roller is drivingly connected with actuator；Commutation support is rotatably arranged on the conveying roller, is equipped with the second gear engaged with the first gear；Third gear, is located on the belt-retracting roller of printer, and the belt-retracting roller is rotatably supported on the frame；The commutation support has drive state and discrete state so that the second gear is engaged or detached with the third gear；Locking member has disengaged position and locking state, and the commutation support is locked in discrete state when locking state.By commutation support so that second gear is engaged or detached with third gear, the retracting of colour band can be stopped in non-print state, avoid the waste of colour band.And locking member by commutation support as locking state when second gear and third gear remain that discrete state, structure are optimized, convenient for operations such as the replacements of colour band.
Description
Technical field
The present invention relates to printers, in particular to the transmission device and Portable printer of a kind of Portable printer.
Background technology
Most of printer is provided to office or family and is used, and most of printer is black-and-white printer.
Even if can not print the photo of high-quality if possessing color printer, therefore in reality, if thinking, printing is clapped using smart mobile phone
The photo taken the photograph then can only export photo by special printing shop.
Heat sublimation type printer is coated with yellow (Y) by the heating of thermal sensitive recording magnetic head, purplish red (M), green (C) three kinds of pigment
Colour band, print the device of high-quality photo on printing paper, when printing must have printing paper and carbon ribbon linkage or transfer
Device.Conventional printer transmission mechanism, coupling part is complicated, and mechanism element is more, and assembly is difficult, and size is big, not portable, and volume carbon
The problem of velocity deviation can occur when band.
Invention content
The present invention provides a kind of transmission device of Portable printer and Portable printers, it is intended to improve to meet printing paper
It is complicated with the apparatus structure of colour band linkage, the switching of transfer two states, it is difficult to the problem of meeting Portable printer topology requirement.
The invention is realized in this way：
The transmission device of Portable printer, including：
First gear is located on the conveying roller of printer, and the conveying roller is rotatably supported on the frame of printer,
And the conveying roller is drivingly connected with actuator；
Commutation support is rotatably arranged on the conveying roller, is equipped with the second gear engaged with the first gear；
Third gear, is located on the belt-retracting roller of printer, and the belt-retracting roller is rotatably supported on the frame；It is described
Commutation support has drive state and discrete state so that the second gear is engaged or detached with the third gear；
Locking member has disengaged position and locking state, and the commutation support is locked in discrete state when locking state.
Further, in preferred embodiments of the present invention, the commutation support is between drive state and discrete state
The rotation angle of conversion is restricted.
Further, in preferred embodiments of the present invention, the commutation support is equipped with limited block, and the locking member has
Swing arm, the swing arm are used for against the limited block.
Further, in preferred embodiments of the present invention, the swing arm is against the limited block, for limiting described change
It is rotated clockwise to holder.
Further, in preferred embodiments of the present invention, the commutation support is offered for being set in the conveying
Through-hole on roller.
Further, in preferred embodiments of the present invention, the second gear passes through third shaft and the reversing gear bracket
It connects, is arranged with spring in the third shaft, the commutation support includes the vessel of a side opening, and the spring is accommodated in institute
It states in vessel, the spring compresses the commutation support and the second gear.
Further, in preferred embodiments of the present invention, the actuator use motor, the actuator clockwise or
Person rotates counterclockwise, and one of direction rotates the conveying roller and recording sheet is driven to be moved toward input direction.
Portable printer, including above-mentioned transmission device, the locking member is rotatably arranged on the frame, described to beat
Print machine include can rise/fall first support, the first support against the locking member turns to locking during declining
State.
Further, in preferred embodiments of the present invention, the locking member includes switching part, is used for and described first
The press block of frame coordinates.
Further, in preferred embodiments of the present invention, the printer further comprises air roll, the air roll
Elasticity is pressed on the conveying roller, and the air roll is arranged in parallel with the conveying roller.
The beneficial effects of the invention are as follows：The transmission device that the present invention is obtained by above-mentioned design, by commutation support so that
Second gear is engaged or is detached with third gear, can be stopped the retracting of colour band in non-print state, be avoided the waste of colour band.And
The position that commutation support is limited by locking member, in locking member by commutation support as locking state when second gear and third tooth
Wheel remains that discrete state, structure are optimized, convenient for operations such as the replacements of colour band.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of embodiment of the present invention
Attached drawing be briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not to be seen as
It is the restriction to range, it for those of ordinary skill in the art, without creative efforts, can be with root
Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 is the embodiment of the present invention, structural schematic diagram of the printer under the first visual angle；
Fig. 2 is the embodiment of the present invention, structural schematic diagram of the printer under the second visual angle；
Fig. 3 is the embodiment of the present invention, structural schematic diagram of the printer under third visual angle；
Fig. 4 is the embodiment of the present invention, structural schematic diagram of the elevating mechanism under the first visual angle in printer；
Fig. 5 is the embodiment of the present invention, structural schematic diagram of the elevating mechanism under the second visual angle in printer；
Fig. 6 is the embodiment of the present invention, the structural schematic diagram of Cylinder Gear wheel disc etc. in elevating mechanism；
Fig. 7 is the embodiment of the present invention, structural schematic diagram of the detent mechanism under the first visual angle in printer；
Fig. 8 is the embodiment of the present invention, swing rod and the unmated structural schematic diagram of sprocket bit in detent mechanism；
Fig. 9 is the embodiment of the present invention, the structural schematic diagram of swing rod and sprocket bit cooperation in detent mechanism；
Figure 10 is the embodiment of the present invention, structural schematic diagram of the transmission device under the first visual angle in printer；
Figure 11 is the embodiment of the present invention, and locking member is in the structural schematic diagram of disengaged position in transmission device；
Figure 12 is the embodiment of the present invention, and locking member is in the structural schematic diagram of locking state in transmission device；
Figure 13 is sectional view of the transmission device shown in Figure 12 along the directions A-A.
Icon：1- cartons；2- frames；3- paper advance mechanisms；31- paper feeding rubber rollers；32- torsional springs；321- elastic arms；33- second
Frame；The second guide parts of 333-；34- gear sets；4- elevating mechanisms；41- motors；43- Cylinder Gear wheel discs；431- upper faces；
432- engaging tooths；The first cams of 44-；441- initial portions；Half ascending parts of 442-；The height-rise portions 443-；444- landing portion；45- second is convex
Wheel；451- falling portions；452- riser portions；5- printing mechanisms；51- supply rollers；52- belt-retracting rollers；521- third gears；53- colour bands；
54- third holders；541- sprocket bits；55- printing rubber rollers；56- first supports；The first guide parts of 561-；562- press blocks；563-
Position limiting structure；57- print heads；6- detent mechanisms；61- swing rods；62- elastic components；611- bending parts；7- output mechanisms；71- is locked
Part；711- switching parts；712- swing arms；72- commutation supports；721- limited blocks；73- first gears；74- second gears；75- is conveyed
Roller；751- first axles；The second axis of 752-；753- main shafts；76- air rolls；77- actuators；X- recording sheets.
Specific implementation mode
To keep the purpose, technical scheme and advantage of embodiment of the present invention clearer, implement below in conjunction with the present invention
The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality
The mode of applying is some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
The every other embodiment that domain those of ordinary skill is obtained without creative efforts, belongs to the present invention
The range of protection.Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit and wants below
The scope of the present invention of protection is sought, but is merely representative of the selected embodiment of the present invention.Based on the embodiment in the present invention,
The every other embodiment that those of ordinary skill in the art are obtained without creative efforts belongs to this
Invent the range of protection.
Term " first ", " second " are used for description purposes only, be not understood to indicate or imply relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more, unless
Separately there is clearly specific restriction.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Shown in Figure 13, printer includes frame 2, and is input to outbound course from paper and is equipped with carton successively
1, paper advance mechanism 3, printing mechanism 5 and output mechanism 7, recording sheet X are housed in carton 1, and carton 1 is with removable or other manner
If on the frame 2.Recording sheet X is pushed to printing mechanism 5 by paper advance mechanism 3, and printing mechanism 5 leaves printing trace on recording sheet X
Mark is exported recording sheet X by output mechanism 7 outward.
In embodiment, paper advance mechanism 3 includes paper feeding rubber roller 31, second support 33 and the gear for being connect with motor 41
Group 34, paper feeding rubber roller 31 is located in second support 33, and gear set 34 includes several gears, and adjacent gear intermeshing, which is realized, to be passed
It is dynamic, one of gear is arranged in the shaft of paper feeding rubber roller 31 so that motor 41 can drive paper feeding glue by gear set 34
Roller 31 moves.Paper feeding rubber roller 31 is located at the lower section of carton 1, and carton 1 offers downwardly open, and paper feeding rubber roller 31 is stretched into from opening to be compressed
Outermost layer recording sheet X.Second support 33 can rise or decline, and paper feeding rubber roller 31 compresses recording sheet X and passes through rotation when rising
Conveying by from recording sheet X to printing mechanism 5, paper feeding rubber roller 31 is detached with recording sheet X when decline.
In embodiment, printing mechanism 5 includes printing rubber roller 55, first support 56, print head 57, third holder 54 and color
Band group, print head 57 are located on third holder 54, and printing rubber roller 55 is located in first support 56.Colour band group include supply roller 51,
Belt-retracting roller 52 and both ends furl the colour band 53 in supply roller 51 and belt-retracting roller 52 respectively, and supply roller 51 is distinguished with belt-retracting roller 52
The both sides of print head 57 are located at, colour band 53 passes through between printing rubber roller 55 and print head 57.First support 56 can rise or
Decline, drive printing rubber roller 55 to be contacted with print head 57 when rising, print head 57 is heated is transferred to note by the pigment on colour band 53
It records on paper X.
In embodiment, printer further comprises elevating mechanism 4, including Cylinder Gear wheel disc 43, the first cam 44, second are convex
Wheel 45, transmission gear and motor 41, frame 2 are equipped with shaft, and Cylinder Gear wheel disc 43 is rotatably set in shaft.Motor 41
It is located at the side of Cylinder Gear wheel disc 43, motor 41 is equipped with double-layer gear, and double-layer gear is nibbled with transmission gear, gear set 34 respectively
It closes.Transmission gear is also double-layer gear, and motor 41 is engaged with transmission gear with taper toothing, transmission gear and Cylinder Gear wheel disc
43 engagements.
In embodiment, first gear 73 is projected upwards in the upper face 431 of Cylinder Gear wheel disc 43, matched for making
First support 56 rise or decline.Second cam 45 is projected upwards in the upper face 431 of Cylinder Gear wheel disc 43, for making
Matched second support 33 rises or declines.Wherein, under Cylinder Gear wheel disc 43 and frame 2 be close or the one side that is sticked is
Portion surface, opposite another side are upper face 431.
Preferably, the projection of 45 the two of the first cam 44 and the second cam is fan on the cross section of Cylinder Gear wheel disc 43
Ring, and two fan rings are centered on the central axes of Cylinder Gear wheel disc 43.Further, the central angle of the fan ring of the two is by first
Frame 56 is influenced with the harmony that second support 33 moves.It is furthermore preferred that the central angle of the fan ring of the first cam 44 projection is.Second
The central angle of fan ring that cam 45 projects is.
Preferably, the middle part of the first cam 44 forms the highest height-rise portion 443 of rising height, and from both ends to height-rise portion
443 form the structure that height is gradually got higher, and first support 56 is resisted against 44 upper surface of the first cam, therewith 44 protrusion of the first cam
Height variation realize rise or decline process.First cam 44 from one end to the other end include seamlessly transit successively just
Beginning portion 441, half ascending part 442, height-rise portion 443 and landing portion 444, seamlessly transit between each position and avoid the lifting of first support 56 dynamic
The suddenly change of work, lacking the process of gentle transition easily influences the stability of the work of first support 56.It is furthermore preferred that half ascending part
442 rising height is identical, and has a segment length so that first support 56 is remained in half ascending part 442 centainly raises height
Degree.The rising height in height-rise portion 443 is identical, and has a segment length so that first support 56 remains one in height-rise portion 443
Surely height is raised.It is furthermore preferred that first when being projected in the cross section of Cylinder Gear wheel disc 43, landing portion 444 has a segment length, keeps away
Exempt from height-rise portion 443 and form a section to the upper face 431 of Cylinder Gear wheel disc 43, causes first support 56 from height-rise portion 443
The upper face 431 for directly dropping into Cylinder Gear wheel disc 43, improves the stability of printer.
Preferably, the second cam 45 includes the falling portion positioned at the riser portions 452 at middle part and positioned at 452 both ends of riser portions
451, it is gradually got higher from the height of upper face 431 to 452 falling portion 451 of riser portions of Cylinder Gear wheel disc 43.
Preferably, first support 56 has the first guide part 561 for coordinate with the first cam 44, second support 33 with
Second guide part 333 of the second cam 45 cooperation.When first guide part 561 is located at initial portion 441, the second guide part 333 corresponds to
Positioned at riser portions 452.It is furthermore preferred that the first guide part 561 and the first cam 44 cooperation one side are arcwall face, the second guide part
333 and second cam 45 cooperation one side be arcwall face, first support 56,33 lifting process of second support are more smooth.
Preferably, first support 56 is rotated around first rotating shaft, and second support 33 is rotated around the second shaft, is set in the second shaft
There are torsional spring 32, one of torsional spring 32 elastic arm 321 to compress first support 56.By a torsional spring 32 simultaneously to first support 56
Apply elastic force with second support 33 so that first support 56 can be resisted against on the first cam 44, and second support 33 can support
It leans against on the second cam 45, avoids the bounce of first support 56 and second support 33.It is furthermore preferred that being opened on the first guide part 561
Equipped with slot, elastic arm 321 is located in slot, and elastic arm 321 is avoided to be detached from.
In embodiment, output mechanism 7 includes actuator 77, conveying roller 75, air roll 76, belt-retracting roller 52 and transmission device.
Air roll 76 is connected on the frame 2 by elastic component 62, and 76 elasticity of air roll is pressed on conveying roller 75 so that conveying roller 75 revolves
Recording sheet X is generated to rub after turning, recording sheet X is exported to delivery outlet or is retracted to 1 direction of carton.The both ends of conveying roller 75
It is rotatably supported on frame 2, the both ends of belt-retracting roller 52 are rotatably supported on frame 2.Actuator 77 drives conveying roller
75 rotations can be connected therebetween by way of gear engaged transmission.Conveying roller 75 passes through transmission device and belt-retracting roller 52
It is sequentially connected or disconnects.
In embodiment, transmission device includes first gear 73, commutation support 72, second gear 74, third gear 521 and lock
Tight part 71.First gear 73 is located on conveying roller 75, and the two is coaxial, rotates in same direction.Commutation support 72 is rotatably arranged at conveying
On roller 75, second gear 74 is rotatably arranged in commutation support 72, and second gear 74 is engaged with first gear 73.Third tooth
Wheel 521 is located on belt-retracting roller 52, and commutation support 72 has drive state and discrete state so that second gear 74 and third gear
521 engagements or separation.There is locking member 71 disengaged position and locking state, disengaged position locking member 71 not to limit commutation support
72 position, locking state locking member 71 limit 72 position of commutation support so that second gear 74 keeps phase with third gear 521
Mutually separation.By commutation support 72 so that second gear 74 is engaged or detached with third gear 521, can stop in non-print state
The only retracting of colour band 53 avoids the waste of colour band 53.And the position of commutation support 72 is limited by locking member 71, in locking member 71
Second gear 74 remains discrete state with third gear 521 when by commutation support 72 as locking state.
In embodiment, locking member 71 is rotatably arranged on frame 2, and is hingedly located at the middle part of locking member 71, first
During the decline of frame 56 locking state is turned to against locking member 71.Locking member 71 includes switching part 711, is used for and first support
56 press block 562 coordinates.The locking state of locking member 71 is started by first support 56, is declined in first support 56 and is beaten
Glue-printing roller 55 starts when being failure to actuate so that locking member 71 can be handed off locking state when not printing.
When locking member 71 is in disengaged position, commutation support 72 can be swung so that second gear 74 and third gear 521
Engagement or separation.Such as first gear 73 rotates clockwise, commutation support 72 is drawn close to third gear 521, then second gear
74 engage with third gear 521；Otherwise first gear 73 rotates counterclockwise, and commutation support 72 is to the side far from third gear 521
To drawing close, then second gear 74 is detached with third gear 521.When locking member 71 is in locking state, locking member 71 is by reversing gear bracket
It is pushed to discrete state so that second gear 74 is detached with third gear 521.
Preferably, the rotation angle that commutation support 72 is converted between drive state and discrete state is restricted, and is avoided
The excessive operation for influencing other mechanisms of 72 rotating range of commutation support.Commutation support 72 is equipped with limited block 721, and locking member 71 has
Swing arm 712, swing arm 712 are used for against limited block 721.Swing arm 712 is against limited block 721, for limiting 72 up time of commutation support
Needle rotates.
Preferably, commutation support 72 offers the through-hole for being set on conveying roller 75, and the end of conveying roller 75 is equipped with
Removable shaft end, commutation support 72 are set on shaft end.Second gear 74 is connect by third shaft with reversing gear bracket, the
Spring is arranged in three shafts, commutation support 72 includes the vessel of a side opening, and spring is accommodated in vessel, and spring compresses commutation
Holder 72 and second gear 74.
Preferably, actuator 77 uses motor 41, actuator 77 to rotate clockwise or counterclockwise, and one of direction turns
Dynamic conveying roller 75 drives recording sheet X to be moved toward input direction.For example, actuator 77 rotates counterclockwise driving conveying roller 75 clockwise
Rotation, then commutation support 72 is in drive state, and second gear 74 is engaged with third gear 521, and recording sheet X is transported to outbound course
It is dynamic.Conversely, recording sheet X is moved toward input direction.
In embodiment, printer further comprises that detent mechanism 6, including swing rod 61, first support 56 are rotatably arranged at
In first rotating shaft, first rotating shaft refers to the shaft of conveying roller 75.Swing rod 61 is also rotatably sleeved in first rotating shaft, third holder
54 are equipped with the sprocket bit 541 coordinated with swing rod 61, elastic component 62 are equipped between first support 56 and swing rod 61 so that swing rod 61
It moves upwards and coordinates with sprocket bit 541.When first support 56 rises, elastic component 62 generates resilient force swing rod 61 to swing rod 61
Movement, and coordinate with sprocket bit 541, it can ensure that printing rubber roller 55 is parallel with the heater wire of print head 57, raise print quality.
In embodiment, including two swing rods 61, and the both ends of printing rubber roller 55 are located at, improve 55 both ends of printing rubber roller
Uniform force.Card slot is opened up on third holder 54 and forms sprocket bit 541, and 61 end of swing rod is bent to form curved to sprocket bit 541
Folding part 611, bending part 611 coordinate with sprocket bit 541.The both sides of first support 56 are respectively equipped with position limiting structure 563, for limiting
Swing rod 61 in an axial direction with the motion range of vertical axial.Position limiting structure 563 can be slot, and swing rod 61 is passed through out of slot,
It can be the limited block 721 in both direction, limit the movement of swing rod 61 in two directions respectively.Elastic component 62 uses spiral
Spring, 61 bottom of swing rod include connecting pole, and the both ends of elastic component 62 are separately connected connecting pole and first support 56.
In embodiment, conveying roller 75 includes main shaft 753 and the second axis for being sequentially sleeved at 753 one end of main shaft from inside to outside
752, first axle 751, commutation support 72 are set in first axle 751, and first gear 73 is located at first axle 751 and the second axis 752
Between.First support 56 is set in swing rod 61 on the second axis 752, and first support 56 is located at 61 outside of swing rod.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for this field
For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. the transmission device of Portable printer, which is characterized in that including：
First gear is located on the conveying roller of printer, and the conveying roller is rotatably supported on the frame of printer, and institute
Conveying roller is stated to be drivingly connected with actuator；
Commutation support is rotatably arranged on the conveying roller, is equipped with the second gear engaged with the first gear；
Third gear, is located on the belt-retracting roller of printer, and the belt-retracting roller is rotatably supported on the frame；The commutation
Holder has drive state and discrete state so that the second gear is engaged or detached with the third gear；
Locking member has disengaged position and locking state, and the commutation support is locked in discrete state when locking state.
2. the transmission device of Portable printer according to claim 1, which is characterized in that the commutation support is in transmission shape
The rotation angle converted between state and discrete state is restricted.
3. the transmission device of Portable printer according to claim 2, which is characterized in that the commutation support is equipped with limit
There is swing arm, the swing arm to be used for against the limited block for block, the locking member.
4. the transmission device of Portable printer according to claim 3, which is characterized in that the swing arm is against the limit
Block is rotated clockwise for limiting the commutation support.
5. the transmission device of Portable printer according to claim 4, which is characterized in that the commutation support opens up useful
In the through-hole being set on the conveying roller.
6. the transmission device of Portable printer according to claim 5, which is characterized in that the second gear passes through third
Shaft is connect with the reversing gear bracket, and spring is arranged in the third shaft, and the commutation support includes the vessel of a side opening,
The spring is accommodated in the vessel, and the spring compresses the commutation support and the second gear.
7. the transmission device of Portable printer according to claim 1, which is characterized in that the actuator uses motor,
The actuator rotates clockwise or counterclockwise, and one of direction rotates the conveying roller and drives recording sheet toward input direction
Movement.
8. Portable printer, which is characterized in that including the transmission device described in claim 1 to 6 any one, the locking member
Be rotatably arranged on the frame, the printer include can rise/fall first support, the first support declined
In journey locking state is turned to against the locking member.
9. Portable printer according to claim 8, which is characterized in that the locking member includes switching part, is used for and institute
State the press block cooperation of first support.
10. Portable printer according to claim 8, which is characterized in that the printer further comprises air roll, institute
It states air roll elasticity to be pressed on the conveying roller, the air roll is arranged in parallel with the conveying roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810269270.0A CN108372728B (en) | 2018-03-29 | 2018-03-29 | Transmission device of portable printer and portable printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810269270.0A CN108372728B (en) | 2018-03-29 | 2018-03-29 | Transmission device of portable printer and portable printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108372728A true CN108372728A (en) | 2018-08-07 |
| CN108372728B CN108372728B (en) | 2023-12-26 |
Family
ID=63031856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810269270.0A Active CN108372728B (en) | 2018-03-29 | 2018-03-29 | Transmission device of portable printer and portable printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108372728B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109664606A (en) * | 2019-02-18 | 2019-04-23 | 东莞市文彩纸品有限公司 | Polisher |
| CN114228347A (en) * | 2021-10-26 | 2022-03-25 | 厦门汉印电子技术有限公司 | Control structure of paper feeding roller, control method of control structure and printing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN109664606A (en) * | 2019-02-18 | 2019-04-23 | 东莞市文彩纸品有限公司 | Polisher |
| CN109664606B (en) * | 2019-02-18 | 2024-04-26 | 东莞市文彩纸品有限公司 | Glazing machine |
| CN114228347A (en) * | 2021-10-26 | 2022-03-25 | 厦门汉印电子技术有限公司 | Control structure of paper feeding roller, control method of control structure and printing equipment |
| CN114228347B (en) * | 2021-10-26 | 2023-02-10 | 厦门汉印电子技术有限公司 | Control structure of paper feeding roller, control method of control structure and printing equipment |
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| CN108372728B (en) | 2023-12-26 |
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