CN207916334U - A kind of paper jamming prevention printer - Google Patents

Abstract

The utility model provides a kind of paper jamming prevention printer, including cutter assembly and shell, the shell is equipped with transfer passage, to the output of recording sheet, the cutter assembly is located in shell, to cut the recording sheet, the cutter assembly includes tool apron and the cutter that is located on the tool apron, straight slot is offered on the tool apron, the tool apron includes main part and barrier portion, the barrier portion is located at the both sides of the straight slot with the main part, the recording sheet is passed through from the straight slot, the barrier portion coordinates with transfer passage, and the gap of both barriers in the cutting direction.By the structure that barrier portion is arranged on tool apron, tool apron is from position is cut to initial position motion process, recording sheet is pushed into straight slot by barrier portion, and it is fitted close with the side wall of transfer passage, so that recording sheet enters in transfer passage, it avoids recording sheet from being biased to the side gap between transfer passage and tool apron to export, solves the problems, such as that such case be easy to cause paperboard, is unable to operate normally.

Description

A kind of paper jamming prevention printer

Technical field

The utility model is related to printer fields, in particular to a kind of paper jamming prevention printer.

Background technology

Printer is divided into thermal printer, thermal transfer printer, ink-jet printer etc., wherein thermal printer, small with its Type, lightweight, it is simple in structure the features such as, be widely used in the printing of the labels such as cash register, portable terminal, receipt, ticket In.

Print unit is in pressure contact state in pressure roller and thermal head and carries out print job, with the closing of this printer cover Operation, thermal head are applied in external force and move to print position.But the switching mechanism for being commonly present driving thermal head is complicated, also lacks and sentences The decision mechanism of fixed switching in place, causes the cooperation of thermal head and rubber roller to go wrong, influences the work of print unit.

In addition, the cut-out structure of recording sheet, cut-out structure is moved by movably arriving to slide relative to fixing cutter, by recording sheet Sandwiching can be cut off between moving knife and fixing cutter.However, driving can moving knife movement mechanism it is often more complicated, occupy printing The larger space of machine, there is also the problems that manual operation is inconvenient.

Utility model content

The utility model provides a kind of paper jamming prevention printer, it is intended to improve and is easily biased to towards side after existing printer is cut The problem of output causes paperboard.

The utility model is realized in this way：

A kind of paper jamming prevention printer, including cutter assembly and shell, the shell is equipped with transfer passage, to recording sheet Output, the cutter assembly is located in shell, and to cut the recording sheet, the cutter assembly includes tool apron and is located at Cutter on the tool apron, offers straight slot on the tool apron, and the tool apron includes main part and barrier portion, the barrier portion with The main part is located at the both sides of the straight slot, and the recording sheet is passed through from the straight slot, and the barrier portion is logical with conveying Road coordinates, and obstructs the gap of the two in the cutting direction.

Further, in the utility model preferred embodiment, the cutter assembly is moved upwards in the side of cutting, described From position is cut to initial position motion process, recording sheet is pushed into the straight slot tool apron by the barrier portion.

Further, in the utility model preferred embodiment, the barrier portion includes horizontal sides and relatively described The vertical edge of horizontal sides bending, the horizontal sides include the first face and the second face, and first face is towards cutter, second face Coordinate with the transfer passage.

Further, in the utility model preferred embodiment, the cutter assembly further includes limited part, the limitation Part is located on the tool apron, and the limited part prevents the recording sheet movement.

Further, in the utility model preferred embodiment, the front end of the limited part is equipped with pressure section, to incite somebody to action The recording sheet is pressed in the housing sidewall.

Further, in the utility model preferred embodiment, the limited part is equipped with the first clamping portion, the tool apron It is equipped with the second clamping portion coordinated with first clamping portion, first clamping portion is clamped or divides with the second clamping portion From.

Further, in the utility model preferred embodiment, the shell is equipped with and is connect with the cutter assembly Operating parts, between the cutter assembly and the shell of the printer be equipped with reset assembly.

Further, in the utility model preferred embodiment, push the operating parts along the cunning of the shell manually Slot moves, and the cutter assembly is driven to be moved to the recording sheet.

The utility model has the beneficial effects that：The printer that the utility model is obtained by above-mentioned design, by tool apron The structure of upper setting barrier portion, from position is cut to initial position motion process, recording sheet is pushed into straight slot tool apron by barrier portion, And it is fitted close with the side wall of transfer passage so that recording sheet enters in transfer passage, and recording sheet is avoided to be biased to transfer passage Side gap exports between tool apron, solves the problems, such as that such case be easy to cause paperboard, is unable to operate normally.

Description of the drawings

It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not The restriction to range is should be considered as, for those of ordinary skill in the art, without creative efforts, It can also be obtained according to these attached drawings other relevant attached drawings.

Fig. 1 is the utility model embodiment, structural schematic diagram of the printer under the first visual angle；

Fig. 2 is the structural schematic diagram for concealing lid in printer shown in Fig. 1；

Fig. 3 is the utility model embodiment, and printer conceals lid and inner casing, and push broach mechanism is in initial bit with strut The structural schematic diagram set；

Fig. 4 is the utility model embodiment, and printer conceals lid and inner casing, and push broach mechanism is in cutting position and branch Bar is in the structural schematic diagram of print position；

Fig. 5 is the structural schematic diagram at the first visual angle of push broach mechanism in printer shown in Fig. 2；

Fig. 6 is the structural schematic diagram at the second visual angle of push broach mechanism in printer shown in Fig. 2；

Fig. 7 is the structural schematic diagram at the third visual angle of push broach mechanism in printer shown in Fig. 2；

Fig. 8 is the structural schematic diagram of switch piece in printer shown in Fig. 2；

Icon：1- shells；11- shells；12- inner casings；13- transfer passages；14- spools；121- paper storehouses；2- lids；21- can Viewing window；3- paper rolls；31- recording sheets；4- power supplys；5- switch pieces；6- push broach mechanism；61- operating parts；611- friction lines；62- Limited part；621- first shaft portions；622- the second shaft portions；623- pressure sections；The first clamping portions 624-；625- frictions portion；63- knives Seat；631- button holes；632- through-holes；633- barrier portions；633A- horizontal sides；633B- vertical edges；The second faces 633A1-；633A2- On one side；The second clamping portions 634-；The first elastic components of 64-；The second elastic components of 65-；66- cutters；7- gear units；71- motors； 72- gear sets；8- print components；81- rubber rollers；82- print heads；9- struts；10- induction pieces.

Specific implementation mode

To keep the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on this practicality Embodiment in novel, those of ordinary skill in the art are obtained every other without creative efforts Embodiment shall fall within the protection scope of the present invention.Therefore, the implementation to the utility model provided in the accompanying drawings below The detailed description of mode is not intended to limit claimed the scope of the utility model, but is merely representative of the utility model Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor The every other embodiment obtained under the premise of dynamic, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that term "upper", "lower", "front", "rear", "vertical", " water It is flat ", "inner", the instructions such as "outside" orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings, merely to just In description the utility model and simplify description, specific side must be had by not indicating or implying the indicated equipment or element Position, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

Shown in Fig. 1 to Fig. 8, printer includes shell 1 and the lid 2 that coordinates with shell 1, has vessel in shell 1, The structures such as push broach mechanism 6, print components 8, gear unit 7, control unit and power supply 4 are equipped in vessel.Preferably, shell 1 uses rectangular parallelepiped structure, lid 2 to be equipped with visual windows 21, and visual windows 21 are located at 121 position of paper storehouses, convenient for observing and recording The applicable cases of paper 31.Monnolithic case exactly likes tape, small and exquisite and convenient for holding in the hand, easy to use.It should be understood that shell 1 can be the shape and structure of a variety of situations, such as square, round, rectangle etc..

In embodiment, lid 2 is removably located on shell 1, and the two fits through several to buckle structure, buckle structure Including mutually matched card slot and hook.Wherein, lid 2 is equipped with card slot or hook, and shell 1 is equipped with card slot or hook, lid Son 2 is fastened with shell 1, the paper roll 3 of recording sheet 31 is replaced convenient for opening lid 2, power supply 4 is replaced or safeguards etc..Preferably, block Buckle structure is located at the marginal position of shell 1, lid 2, and lid 2 is equipped with card slot and hook, is correspondingly provided on shell 1 matched Hook and card slot, hook is arranged in a crossed manner with card slot, can be stably connected with the two and convenient for disassembly and assembly.

In embodiment, vessel is divided into epicoele and cavity of resorption, and epicoele is equipped with push broach mechanism 6, and cavity of resorption is divided into left chamber and right chamber, It is front and back in left chamber to be equipped with spool 14 and gear unit 7 successively, it is front and back successively equipped with accumulator and control unit in right chamber, it is left Print components 8 are equipped between chamber and right chamber.Each mechanism in embodiment, unit are rationally arranged, the sky of vessel is efficiently used Between, realize printer be further miniaturized, lightweight, can easily hold and be used in the hand.

In embodiment, it is preferred that shell 1 is cuboid, and the area on front and back two sides is maximum, and the lid of lid 2 is closed in shell 1 Front side.Shell 1 includes shell 11 and the inner casing 12 being embedded in shell 11, is equipped with gear unit 7 and control list therebetween Member so that gear unit 7, control unit and extraneous relative insulation reduce the interference of outer bound pair gear unit 7 and control unit, The work for contributing to gear unit 7 more stable.

In embodiment, inner casing 12 is arranged with paper storehouses 121, and the chamber of receiving accumulator towards 2 side of lid, will record The paper roll 3 of paper 31 is located at accumulator close to 2 side of lid, and dress paper roll 3 of conveniently uncapping replaces accumulator.Shell 11 is equipped with Spool 14, spool 14 stretch into be arranged paper roll 3 in paper storehouses 121, and recording sheet 31 passes through print components 8 and push broach mechanism 6 successively, And it is exported from the delivery outlet of shell 1.

In embodiment, print components 8 include rubber roller 81 and print head 82, and recording sheet 31 is between print head 82 and rubber roller 81 Pass through.Gear unit 7 drives rubber roller 81 to rotate, and the rotation of rubber roller 81 drives recording sheet 31 to move by frictional force.Print head 82 will Recording sheet 31 is pressed on rubber roller 81, and print head 82 generates heat and leaves printing trace in recording sheet 31.

In embodiment, gear unit 7 includes motor 71 and gear set 72, and motor 71 is connect with control unit, and motor 71 is logical Crossing gear set 72 drives rubber roller 81 to rotate, and gear set 72 includes the gear of several engaged transmissions successively.It should be understood that gear set 72 can also be substituted for the drive mechanism of the other forms such as worm and gear.

In embodiment, when lid 2 is opened, print head 82 is located at initial position, in the state detached with rubber roller 81；Lid 2 with shell 1 fasten when, print head 82 is located at print position, and print head 82 is pressed on rubber roller 81.When uncapping, by print head 82 detach with rubber roller 81, give the part of appliance maintenance time, avoid maloperation, be conducive to the extension of equipment life.

Specifically, printer further includes induction pieces 10, strut 9 and switch piece 5, print head 82 is located on strut 9, switch piece 5 connect with strut 9.Lid 2 is equipped with trigger unit, and for lid 2 when 1 upper cover of shell is closed in place, trigger unit drives switch piece 5 to transport It is dynamic, so that print head 82 is in print position.It drives switch piece 5 to move by the trigger unit of lid 2, and then drives the fortune of strut 9 It is dynamic, it can realize that print head 82 moves to print position from initial position, have simple in structure, and the switching of state is accurate.Energy Enough when uncapping, the two is detached；Print head 82 is placed in the position coordinated with rubber roller 81 at the printing moment.

In embodiment, when the lid of lid 2 closes, trigger unit triggers the work of induction pieces 10, induction pieces 10 and control unit, sense simultaneously Part 10 is answered to send signal to control unit.Induction pieces 10 are using switch, inductor etc., it is preferred that induction pieces 10 are selected to reset and be opened It closes, when trigger unit is detached from and is contacted with reset switch, reset switch automatically resets as off-state.

In embodiment, the middle part of strut 9 is hinged with shell 1, and print head 82 is located at one end of strut 9, the other end of strut 9 It is connect with switch piece 5.Switch piece 5 is hinged with shell 1, and switch piece 5 includes interconnecting piece and the contact site to be contacted with trigger unit. Contact site is equipped with the inclined-plane contacted with trigger unit at sector.Interconnecting piece is connect by connector with strut 9, and connector is elasticity Part, when lid 2 is opened, switch piece 5 is resetted by connector.By designing the fit structure of switch piece 5 and trigger unit, Neng Goushi Existing switch piece 5 drives switching of the strut 9 between initial position and print position, and then realizes that the two states of print head 82 are cut It changes.Wherein, connector may not be elastic component, can be by being arranged on switch piece 5 when connector uses non-elastic member Torsional spring etc. resets to realize.

In embodiment, trigger unit is the convex block being located on lid 2.Induction pieces 10 are located at trigger unit with switch piece 5 Both sides, there are insertion spaces between induction pieces 10 and switch piece 5, to the insertion of trigger unit.Lid 2 fastens same with shell 1 When, induction pieces 10 can be triggered simultaneously, and switch piece 5 is pushed to move.

In embodiment, the handoff procedure of print head 82 is：Lid 2 is fastened on shell 1, trigger unit stretch into switch piece 5 with The side in the gap between induction pieces 10, trigger unit pushes induction pieces 10, is at opening state and is sent to control unit Signal；The other side of trigger unit pushes switch piece 5 to rotate, and pulls connector in turn, and connector generates power and strut 9 is pulled to revolve Turn, so that print head 82 is close to rubber roller 81 from initial position.And when lid 2 is opened, trigger unit extraction out of shell 1, Then induction pieces 10 are resetted with switch piece 5.

In embodiment, to cut recording sheet 31 in printer, push broach mechanism 6 includes 61 He of operating parts for push broach mechanism 6 66 component of cutter, operating parts 61 stretch out the shell 1 of printer, and 66 component of cutter is moved between position and initial position cutting, Operating parts 61 drives 66 component of cutter to be moved to position is cut.Shell 1 is equipped with transfer passage 13, and push broach mechanism 6 is located at conveying The inlet in channel 13.

In embodiment, 66 component of cutter includes limited part 62, tool apron 63 and cutter 66, and operating parts 61 is connect with tool apron 63, Limited part 62 is located on tool apron 63, and cutter 66 is fixed on tool apron 63, and limited part 62 prevents recording sheet 31 from moving, and cutter 66 continues It moves and cuts recording sheet 31.It is solid by limited part 62 first when cutting by limited part 62 with tool apron 63 with resultant motion Determine recording sheet 31, the stabilization of recording sheet 31 when can ensure to cut, guarantee cuts that position is accurate, and notch is smooth.

It in embodiment, pushes operating parts 61 to be moved along the sliding slot of shell 1 manually, and drives 66 component of cutter to recording sheet 31 Movement.Operating parts 61 has the advantages that easy to operate with the formal operations of sliding.Preferably, operating parts 61 be push button, be equipped with The promotion face of finger cooperation, and face is pushed to be equipped with friction lines 611, increase the frictional force between operating parts 61 and finger.Operation Part 61 is equipped with fixing buckle, and the button hole 631 of remaining fixing buckle cooperation is offered on tool apron 63, have it is simple in structure, and operating parts 61 away from It is small with a distance from tool apron 63, controlled using thrust, it is easy to control and laborsaving.

In embodiment, the front end of limited part 62 is equipped with pressure section 623, recording sheet 31 to be pressed on 1 side wall of shell, Specifically recording sheet 31 is pressed on the side wall of transfer passage 13.Preferably, pressure section 623 is arcuate structure, avoids compressing Portion 623 scratches recording sheet 31.

In embodiment, limited part 62 includes first shaft portion 621 and the second shaft portion 622, and the axis of the two is along limited part 62 The direction of motion, offer through-hole 632 on tool apron 63, the second shaft portion 622 is threaded through in through-hole 632, is risen by the second shaft portion 622 To guiding role, limited part 62 slides on tool apron 63, and limited part 62 or tool apron 63 are equipped with friction portion on the contact surface of the two 625.Guiding role is played by the second shaft portion 622 so that locating part slides on tool apron 63, and movement relation, which is stablized, to be ensured to cut Action is accurately completed.

In embodiment, reset assembly is equipped between 66 component of cutter and the shell 1 of printer.Reset assembly includes the first bullet Property part 64 and the second elastic component 65, the first elastic component 64 connects shell 1 and limited part 62, and the second elastic component 65 connects limited part 62 With tool apron 63.By the first elastic component 64, limited part 62 and tool apron 63 are reset to the initial position of limited part 62, tool apron 63 is again Secondary moved by 65 relatively restricted part 62 of the second elastic component realizes reset.Preferably, the first elastic component 64 is set in first shaft portion On 621, the second elastic component 65 is set on the second shaft portion 622.

In embodiment, limited part 62 is equipped with the first clamping portion 624, and tool apron 63, which is equipped with, to be coordinated with the first clamping portion 624 Second clamping portion 634, the first clamping portion 624 are clamped or detach with the second clamping portion 634.Pass through the first clamping portion 624 and Two clamping portions 634 limit move distance and initial position of the limited part 62 with respect to tool apron 63 so that locating part is in initial position It rests on the rational position of tool apron 63.

In embodiment, straight slot is offered on tool apron 63, tool apron 63 includes main part and barrier portion 633, barrier portion 633 and master Body portion not Wei Yu straight slot both sides.Recording sheet 31 is passed through from straight slot, and barrier portion 633 coordinates with transfer passage 13, and obstructs two The gap of person in the cutting direction.66 component of cutter is moved upwards in the side of cutting, and tool apron 63 is transported from position is cut to initial position Recording sheet 31 is pushed into straight slot by dynamic process, barrier portion 633, and is fitted close with the side wall of transfer passage 13 so that recording sheet 31 enter in transfer passage 13, avoid recording sheet 31 from being biased to the side gap between transfer passage 13 and tool apron 63 and export, solve The problem of such case be easy to cause paperboard, is unable to operate normally.

In embodiment, barrier portion 633 includes the vertical edge 633B that horizontal sides 633A and relative level side 633A is bent, water Pingbian 633A includes the first face 633A2 and the second face 633A1, and the first face 633A2 is towards cutter 66, the second face 633A1 and conveying Channel 13 coordinates.By the cooperation in face and line or face, cooperation is closer, avoids therebetween that there are gaps.And the first face 633A2 It is seamlessly transitted between transfer passage 13, such as the madial wall of transfer passage 13 is inclined surface, then the first face 633A2 is with identical Slope inclination.

In embodiment, cutter 66 towards 31 side of recording sheet be angular cutouts so that when cutter 66 and recording sheet 31 contact It is point contact as far as possible, cutting is stronger, quick.

In embodiment, the course of work of push broach mechanism 6：Operating parts 61 is pushed, tool apron 63 is driven to be moved with cutter 66, limitation Part 62 is also moved towards recording sheet 31 under the action of the second elastic component 65.Then 62 contact history paper 31 of limited part and consolidated It is fixed, tool apron 63 operating parts 61 continue continue to move under effect, until cutting is completed.Operating parts 61 is unclamped, in the first elasticity Under the action of part 64 and the second elastic component 65, limited part 62 is resetted with tool apron 63, and by 31 direct route of recording sheet in reseting procedure It pushes back, recording sheet 31 can smoothly continue to export to transfer passage 13.

Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model Within then, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (8)

1. a kind of paper jamming prevention printer, including cutter assembly and shell, the shell is equipped with transfer passage, to recording sheet Output, the cutter assembly is located in shell, to cut the recording sheet, which is characterized in that the cutter assembly includes knife Seat and the cutter that is located on the tool apron offer straight slot on the tool apron, and the tool apron includes main part and barrier portion, institute It states barrier portion and is located at the both sides of the straight slot with the main part, the recording sheet is passed through from the straight slot, the barrier Portion coordinates with transfer passage, and obstructs the gap of the two in the cutting direction.

2. paper jamming prevention printer according to claim 1, which is characterized in that the cutter assembly is transported on cutting direction Dynamic, from position is cut to initial position motion process, recording sheet is pushed into the straight slot tool apron by the barrier portion.

3. paper jamming prevention printer according to claim 1, which is characterized in that the barrier portion includes horizontal sides and opposite The vertical edge of horizontal sides bending, the horizontal sides include the first face and the second face, and first face is towards cutter, and described the Two faces coordinate with the transfer passage.

4. paper jamming prevention printer according to claim 1, which is characterized in that the cutter assembly further includes limited part, institute It states limited part to be located on the tool apron, the limited part prevents the recording sheet movement.

5. paper jamming prevention printer according to claim 4, which is characterized in that the front end of the limited part is equipped with pressure section, The recording sheet to be pressed in the housing sidewall.

6. paper jamming prevention printer according to claim 4, which is characterized in that the limited part is equipped with the first clamping portion, institute State tool apron and be equipped with the second clamping portion for coordinate with first clamping portion, first clamping portion and the clamping of the second clamping portion or Person detaches.

7. paper jamming prevention printer according to claim 1, which is characterized in that the shell is equipped with and the cutter assembly The operating parts of connection is equipped with reset assembly between the cutter assembly and the shell of the printer.

8. paper jamming prevention printer according to claim 7, which is characterized in that push the operating parts along the shell manually Sliding slot movement, and the cutter assembly is driven to be moved to the recording sheet.