CN111546791B - Hand-held thermal printer with paper on side - Google Patents
Hand-held thermal printer with paper on side Download PDFInfo
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- CN111546791B CN111546791B CN202010497096.2A CN202010497096A CN111546791B CN 111546791 B CN111546791 B CN 111546791B CN 202010497096 A CN202010497096 A CN 202010497096A CN 111546791 B CN111546791 B CN 111546791B
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- paper feeding
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- 239000002070 nanowire Substances 0.000 claims description 8
- 238000007639 printing Methods 0.000 description 34
- 238000010586 diagram Methods 0.000 description 11
- 238000013461 design Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007651 thermal printing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004804 winding Methods 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
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
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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
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
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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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- Accessory Devices And Overall Control Thereof (AREA)
Abstract
The invention provides a hand-held thermal printer with paper on the side, which comprises a base, a side cover, a thermal-sensitive sheet and a rubber roller, wherein the base is provided with a paper bin groove and a paper feeding through groove, the paper feeding through groove extends along the paper feeding direction, the front end of the paper feeding through groove in the paper feeding direction is provided with a paper outlet, the rear end of the paper feeding through groove in the paper feeding direction is communicated with the paper bin groove, the paper bin groove and the paper feeding through groove are provided with paper loading openings on the same side in the paper width direction, the paper feeding through groove is provided with an upper mounting position above the paper thickness direction, the paper feeding through groove is provided with a lower mounting position below the paper thickness direction, the side cover covers the paper loading openings and is connected with the base, one of the thermal-sensitive sheet and the rubber roller is arranged on the upper mounting position, the other of the thermal-sensitive sheet and the rubber roller is opposite to the rubber roller. Through the dress paper mode of lateral part, simplify the open structure and the structure of lid, when convenient dress paper, also improve the cooperation stability of device, improve the stability of printer.
Description
Technical Field
The invention relates to the field of thermal printing, in particular to a hand-held thermal printer with paper on the side.
Background
With the popularization and application of thermal printers, thermal printers are used not only in automatic teller machines of banks, cash registers of supermarkets and delivery places of electronic commerce, but also in commercial fields such as printing in electronic commerce industry and express industry, and portable handheld thermal printing is widely applied to the personal consumption field.
The thermal printer is generally provided with a cover body, a base, a rubber roller and a thermal sensitive sheet, wherein the cover body and the base form a paper bin, printing paper in the paper bin is input to the rubber roller and the thermal sensitive sheet, then printing is performed to form an image, the printing paper is replaced, the cover body of the printer needs to be opened, the cover body is generally opened from bottom to top along the thickness direction of the paper, the thermal sensitive sheet positioned on the cover body is separated from the rubber roller positioned on the base, after the printing paper is filled in, the cover body is covered, the thermal sensitive sheet is opposite to the rubber roller, and the printing paper passes between the thermal sensitive sheet and the rubber roller. The commercial seat type thermal printer has more structural arrangement space due to the fact that the whole machine is larger, and the portable handheld thermal printer has smaller whole machine, almost the whole machine size and the palm, and the components are required to be arranged in the miniature thermal printer, so that the structural arrangement of the device of the handheld thermal printer is particularly important, and the improvement design of the uncapping structure and the paper loading mode is required.
Disclosure of Invention
The invention aims to provide a handheld thermal printer for loading paper on the side.
In order to achieve the purpose, the invention provides a handheld thermal printer with side paper loading, which comprises a base, side covers, a thermal-sensitive sheet and a rubber roller, wherein the base is provided with a paper bin groove and a paper feeding through groove, the paper feeding through groove extends along the paper feeding direction, the front end of the paper feeding through groove in the paper feeding direction is provided with a paper outlet, the rear end of the paper feeding through groove in the paper feeding direction is communicated with the paper bin groove, the paper bin groove and the paper feeding through groove are provided with paper loading openings on the same side in the paper width direction, the paper feeding through groove is provided with an upper mounting position above the paper thickness direction, the paper feeding through groove is provided with a lower mounting position below the paper thickness direction, the side covers cover covers the paper loading openings and is connected with the base, one of the thermal-sensitive sheet and the rubber roller is arranged on the upper mounting position, and the other of the thermal-sensitive sheet and the rubber roller is arranged on the lower mounting position, and the thermal-sensitive sheet and the rubber roller are opposite.
According to the scheme, the paper bin slot and the paper feeding through slot are communicated, the paper loading opening is formed in the same side of the paper in the paper width direction, the rolled printing paper can be pulled out of the one-section flat section, the printing paper of the coiled section is loaded into the paper bin slot, the printing paper of the flat section is loaded into the paper feeding through slot and can slide into the space between the thermosensitive plate and the rubber roller, then the side cover is covered, and then the printing imaging can be performed by normal paper feeding, and meanwhile, the opening structure and the structure of the cover body are simplified in a paper loading mode through the side part, and meanwhile, the thermosensitive plate and the rubber roller are not required to be moved greatly during paper loading, so that the matching stability of the thermosensitive plate and the rubber roller is improved, and the stability of the printer is improved.
The base is provided with a hinge part near the paper bin slot, the base is provided with a locking part near the paper outlet, the side cover is hinged with the hinge part, and the side cover is provided with a locking part clamped with the locking part.
Further, the side cover rotates in the paper width direction.
Therefore, the hinge part is arranged at the position close to the paper bin slot, and the locking part is positioned at the paper outlet, so that the side cover is opened and rotates along the paper width direction, the interference to the package printing paper is avoided, and the paper packaging convenience is improved.
Still further, the base is provided with the nanowire groove, and the nanowire groove is provided with the line mouth of receiving on the same side of dress paper opening, and the line groove of receiving is located the paper feed through groove and is based on the one side of paper thickness direction.
Still further, the base is provided with a battery, and the battery is located on one side of the paper feeding through groove based on the thickness direction of the paper.
From the above, because the whole volume of handheld thermal printer is less, so at the paper feed lead to the groove and arrange nano wire groove and battery on the both sides of direction based on the paper thickness, the nano wire groove is used for holding charging wire or data line to optimize the device overall arrangement, improve space utilization, be favorable to the further miniaturized design of printer.
The base comprises a middle frame, an upper cover and a lower cover, wherein the paper bin groove, the paper feeding through groove, the upper mounting position and the lower mounting position are arranged on the middle frame, the side cover is connected with the middle frame, the upper cover covers the outside of the upper mounting position and is connected with the middle frame, and the lower cover covers the outside of the lower mounting position and is connected with the middle frame.
From the above, through the cooperation of well frame, upper cover and lower cover for each device of printer can conveniently install on well frame, and the lid of upper cover and lower cover is closed and is accomplished the assembly, then makes things convenient for the installation assembly of each device.
In a further scheme, the middle frame is provided with side plates on the same side of the paper bin groove and the paper feeding through groove in the paper width direction, and the side plates and the paper loading opening are respectively positioned on the opposite sides of the paper width direction.
From the above, the side plates of the middle frame are arranged, so that the shapes of the paper bin groove and the paper feeding through groove are kept, the overall peripheral structure is strengthened, the relative positions of the rubber roller and the thermal sensitive sheet are stabilized, and the printing stability is improved.
Still further, the handheld thermal printer comprises a main control circuit board, wherein the main control circuit board is arranged on one side of the middle frame, which is positioned in the paper feeding through groove and is based on the thickness direction of paper, the main control circuit board is provided with a key, the middle frame is provided with a key hole on one side of the paper loading opening, and the key is positioned in the key hole.
From the above, on the opening side of the side cover, the functional keys of the main control circuit board can be provided with one side of the paper-loading opening, so that not only is the hidden installation of the keys realized, but also the key operation after the side cover is opened is convenient.
The handheld thermal printer further comprises a mounting bracket, a bracket resetting piece and a connecting piece, wherein the thermal plate, the mounting bracket, the bracket resetting piece and the connecting piece are all arranged on the same side of the paper feeding through groove in the thickness direction of the paper; the mounting bracket is provided with a first matching convex part, the connecting piece is provided with a second matching convex part, the second matching convex part is in abutting matching with the first matching convex part, the bracket resetting piece is elastically connected between the mounting bracket and the base, and the thermosensitive piece is mounted on the mounting bracket; the end of the connecting piece, which is close to the paper loading opening in the paper width direction, is provided with an abutting part, the side cover is detachably abutted with the abutting part, the connecting piece can move along the paper width direction, the mounting bracket is hinged with the base and can rotate in the paper thickness direction, and the movement of the connecting piece drives the mounting bracket and the heat-sensitive sheet to move towards or away from the rubber roller.
From the above, through mobilizable connecting piece, with second cooperation convex part and have first cooperation convex part to the cooperation of abutting on, and support reset piece applys elastic force to the installing support, can realize then that connecting piece drive installing support and thermal sensitive piece are towards or keep away from the rubber roll and remove, when the thermal sensitive piece is kept away from the rubber roll, then can be convenient for pass the paper feed through groove in tiling form's printing paper, when the lid closes the side cap, then push in the connecting piece, make the thermal sensitive piece be close to the rubber roll to can the paper feed printing after the centre gripping to printing paper.
The hand-held thermal printer further comprises a connecting reset piece, a locking reset piece and a locking piece, wherein the locking piece is slidably arranged on the inner side of the side cover and is provided with a locking part and an operating part, the operating part penetrates through the side cover, and the locking part is clamped with the locking part; the connecting piece is respectively provided with an abutting part and a locking part at two ends of the paper width direction, the locking part and the abutting part are positioned on the same side, and the connecting reset piece is elastically abutted between the abutting part and the base along the paper width direction; the locking piece is provided with clamping part and connecting portion, and the locking piece can be along the uncapping direction of hasp spare movably setting on the base, and locking reset piece elasticity butt is between locking piece and base, and clamping part and the separable block of locking part, hasp piece and connecting portion are adjacent and can drive the locking piece and remove.
From the above, can lock the position of connecting piece through the locking piece, and when opening the side cap, remove the hasp piece and drive the locking piece and remove in the same direction, make simultaneously that the locking piece separates with the connecting piece, realize the unblock, then move through the paper width direction of connecting piece, the elasticity thrust of cooperation connection reset piece, so after the hasp piece unblock, the abutting portion promotes the side cap and moves outwards, and its a series of linkage structure optimizes the uncapping feel, makes uncapping and closing the action more smooth.
Drawings
FIG. 1 is a block diagram of an embodiment of a handheld thermal printer of the present invention.
FIG. 2 is a block diagram of an embodiment of a handheld thermal printer of the present invention in another perspective.
Fig. 3 is a block diagram of an embodiment of the handheld thermal printer of the present invention in an uncapped state.
Fig. 4 is a block diagram of a handheld thermal printer embodiment of the present invention in a paper loaded state.
Fig. 5 is an exploded view of a handheld thermal printer embodiment of the present invention.
FIG. 6 is a block diagram of a thermal subassembly in an embodiment of a handheld thermal printer of the present invention.
FIG. 7 is a block diagram of a thermal subassembly in another perspective view in an embodiment of a handheld thermal printer of the present invention.
FIG. 8 is an exploded view of the thermal subassembly of the handheld thermal printer embodiment of the present invention.
FIG. 9 is a block diagram of a thermal subassembly in a bottom side view of an embodiment of a handheld thermal printer of the present invention.
Fig. 10 is a cross-sectional view of an embodiment of the handheld thermal printer of the present invention in a closed state at a carriage reset member along a paper feed direction.
FIG. 11 is a cross-sectional view of an embodiment of the handheld thermal printer of the present invention in the closed position at the connector along the width of the paper.
Fig. 12 is a cross-sectional view of the embodiment of the handheld thermal printer of the present invention in the closed cover state at the lock portion in the paper feed direction.
Fig. 13 is an exploded view of the side cover and latch member of the handheld thermal printer embodiment of the present invention.
Fig. 14 is a block diagram of a catch member in an embodiment of the handheld thermal printer of the invention.
FIG. 15 is a diagram showing the mating structure of the locking member in the closed position of the handheld thermal printer according to the embodiment of the present invention.
Fig. 16 is a diagram showing the configuration of the engagement of the locking member in the opened state in the hand-held thermal printer according to the embodiment of the present invention.
FIG. 17 is a block diagram of a lock in an embodiment of a handheld thermal printer of the invention.
Fig. 18 is a cross-sectional view of the handheld thermal printer embodiment of the present invention at the lock portion in the sheet feeding direction in the uncapped state.
FIG. 19 is a cross-sectional view of an embodiment of the handheld thermal printer of the present invention in the uncapped state at the connector in the paper width direction.
FIG. 20 is a cross-sectional view of an embodiment of the handheld thermal printer of the present invention in an uncapped state at a carriage reset member along the paper feed direction.
The invention is further described below with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 to 4, the handheld thermal printer 1 includes a base 2, a side cover 25 and a side cover 3, the side cover 25 and the side cover 3 are respectively located on two opposite sides of the base 2, the side cover 25 is fixedly connected with the base 2, the side cover 3 is hinged with the side portion of the base 2 and can realize an opening and closing function, printing paper 10 can be loaded into the base 2 from the side portion, and paper feeding printing can be realized after the side cover is covered.
Referring to fig. 5, the base 2 includes a middle frame 21, an upper cover 241 and a lower cover 242, the middle frame 21 is provided with a paper bin slot 211 and a paper feed through slot 212, the paper feed through slot 212 extends along a paper feed direction X, the paper feed through slot 212 and the paper bin slot 211 are both extended along a paper width direction Y, the paper feed through slot 212 is provided with a paper outlet 225 at the front end of the paper feed through slot in the paper feed direction X, the paper feed through slot 212 communicates with the paper bin slot 211 at the rear end of the paper feed direction X, the paper bin slot 211 and the paper feed through slot 212 are provided with a paper loading opening 213 on the same side of the paper width direction Y, that is, the paper loading opening of the paper bin slot 211 and the paper feed through slot 212 are arranged in communication, the middle frame 21 is provided with a side plate 228 on the same side of the paper bin slot 211 and the paper feed through slot 212 in the paper width direction Y, the side plate 228 and the paper loading opening 213 are respectively positioned on the opposite side of the paper width direction Y, the side plate 228 is connected with the peripheral wall of the paper bin slot 211, the side plate 228 is connected with the side wall of the paper feed through slot 212, the cylinder body is formed into a long and narrow paper feed through slot 212.
The base 2 is provided with a wire accommodating groove 226 and a battery 23, the wire accommodating groove 226 is provided with a wire accommodating opening on the same side of the paper accommodating opening 213, the wire accommodating groove 226 extends toward the paper width direction Y, the wire accommodating groove 226 is located on one side of the paper feed through groove 212 based on the paper thickness direction Z, and the battery 23 (see fig. 10) is located on the other side of the paper feed through groove 212 relative to the wire accommodating groove 226 based on the paper thickness direction Z.
The handheld thermal printer 1 comprises a main control circuit board 12, the main control circuit board 12 is electrically connected with a battery 23, the main control circuit board 12 is arranged on one side of a middle frame 21, which is positioned on the paper feeding through groove 212 and is based on the paper thickness direction Z, the main control circuit board 12 is positioned above a nano groove 226 and is fixed by screws, the main control circuit board 12 is provided with a key 122, a USB interface 121, a paper feeding key 124 and an annular light bar 123, the annular light bar 123 surrounds the paper feeding key 124, the paper feeding key 124 and the annular light bar 123 are positioned in the middle of the main control circuit board 12, the key 122 and the USB interface 121 are respectively arranged on two sides, the middle frame 21 is provided with a key hole 227 on one side of a paper loading opening 213, the key 122 is positioned in the key hole 227, and the USB interface 121 is positioned at a side cover 25.
The hand-held thermal printer 1 further includes a thermal assembly 4 and a rubber roller 223, the paper feeding through slot 212 is provided with an upper mounting position above the paper thickness direction Z, the paper feeding through slot 212 is provided with a lower mounting position below the paper thickness direction Z, and the upper mounting position and the lower mounting position are both close to the paper outlet 225. The lower mounting position is the mounting groove arrangement, the rubber roll 223 can set up the lower mounting position around axial rotation, the rubber roll 223 is arranged along paper width direction Y, the axial tip of rubber roll 223 is provided with drive gear 222, drive gear 222 and dress paper opening 213 are located opposite both sides, be provided with drive gear group 221 and driving motor 220 on the homonymy of drive gear 222, driving motor 220 is connected with battery 23 electricity, drive gear group 221 connects between driving motor 220 and drive gear 222, under driving motor 220's drive effect, make rubber roll 223 drive paper feed, and can accomplish the printing formation of image, lower cover 242 covers down the mounting position outside and be connected with well frame 21.
Referring to fig. 6 to 9, and in combination with fig. 5, the heat-sensitive assembly 4 is disposed at an upper mounting position, the heat-sensitive assembly 4 includes a mounting bracket 41, a heat-sensitive sheet 42, a bracket reset member 46, a connection member 43, a connection reset member 44, and two springs 45, the mounting bracket 41 is provided with two hinge blocks 411 at a side facing away from the paper outlet 225, the hinge blocks 411 are provided with hinge holes, the middle frame 21 is provided with a fixing block 219 at an outer wall of the wire accommodating groove 226, the fixing block is also provided with hinge holes, and the hinge shaft 224 passes through the hinge blocks 411 and the fixing block 219 in the paper width direction Y, so that the mounting bracket 41 is hinged with the middle frame 21, and the mounting bracket 41 can rotate in the paper thickness direction Z.
The mounting bracket 41 is provided with a mounting groove 417 and two limit protrusions 418 towards the lower side of the rubber roller 223, the mounting groove 417 is located at one side close to the paper outlet 225, the mounting groove 417 penetrates and is arranged along the paper width direction Y, the two limit protrusions 418 are located at one side far away from the paper outlet 225 and are respectively arranged at two sides of the paper width direction Y, the heat sensitive sheet 42 is arranged along the paper width direction Y, two positioning protrusions 421 and two positioning grooves 422 are respectively arranged at two sides of the paper width direction Y, the positioning grooves 422 are in limit fit with the limit protrusions 418, the positioning protrusions 421 are located in the mounting groove 417, the positioning protrusions 421 are provided with a certain moving space along the paper thickness direction Z in the mounting groove 417, the springs 45 are respectively arranged along the paper thickness direction Z, the two springs 45 are distributed along the paper width direction Y, the springs 45 are elastically abutted between the heat sensitive sheet 42 and the mounting bracket 41, and the springs 45 provide elastic pressing force for the heat sensitive sheet 42.
The mounting bracket 41 is provided with two first engaging convex portions 412 and two avoidance concave portions 413 on the backside of the thermosensitive sheet 42 based on the paper thickness direction Z, the two first engaging convex portions 412 and the two avoidance concave portions 413 are all distributed along the paper width direction Y, the first engaging convex portions 412 are convex based on the plane of the mounting bracket 41, the avoidance concave portions 413 are concave based on the plane of the mounting bracket 41, and the avoidance concave portions 413 are located on one side of the first engaging convex portions 412 based on the paper width direction Y. A guide slope 414 is provided between one fitting convex portion 412 and one relief concave portion 413, and the guide slope 414 is connected between the top surface of the fitting convex portion 412 and the bottom surface of the relief concave portion 413.
On the same side as the first fitting projection 412, a connection groove 415 is provided on the mounting bracket 41, the connection groove 415 being located on a rib of the mounting bracket 41, the rib extending in the paper width direction, the connection groove 415 being located in the middle. The bracket restoring member 46 employs a torsion spring, the hinge shaft 224 passes through the rolled portion of the bracket restoring member 46, the first end of the bracket restoring member 46 abuts on the middle frame 21, and the second end of the bracket restoring member 46 extends into the connection groove 415, thereby applying an elastic force to the mounting bracket 41.
The connecting member 43 is arranged in a column and extends in the paper width direction Y, the outer wall of the connecting member 43 is provided with two second engaging protrusions 431, the two second engaging protrusions 431 are distributed in the paper width direction Y, and the first engaging protrusion 412 is provided with a guide slope 432 on one side in the paper width direction Y.
The connector 43 is provided with an abutment portion 433 and a locking portion 215 at both ends in the paper width direction Y, respectively, and the connector 43 is provided with an abutment portion 435 at the same end of the locking portion 215, the abutment portion 435 being located at the outermost end, and the locking portion 215 being provided as a catching groove, the catching groove being arranged in the radial direction. The outer wall of the connecting piece 43 is provided with a stopper 436, and the stopper 436 is located near one side of the locking portion 215 and between the locking portion 215 and the second engaging protrusion 431.
The middle frame 21 is provided with a positioning perforation 217 and a positioning blind hole 216 at the upper mounting position, the positioning perforation 217 is arranged in a penetrating manner and is communicated with the positioning blind hole 216 along the paper width direction Y, the positioning perforation 217 is close to the paper loading opening 213, the positioning blind hole 216 is close to the side cover 25, the connecting piece 43 penetrates through the positioning perforation 217, the locking part 215 and the abutting part 435 penetrate out of the positioning perforation 217 or are positioned in the positioning perforation 217, the connecting reset piece 44 adopts a spring, the abutting part 433 and the connecting reset piece 44 are both positioned in the positioning blind hole 216, and the connecting reset piece 44 is arranged along the paper width direction Y and elastically abuts between the abutting part 433 and the middle frame 21.
Referring to fig. 10 and 11, and fig. 19 and 20, since the link 43 is movable in the paper width direction Y and is engaged with the first engaging protrusion 412 by the second engaging protrusion 431 in abutment, and the mount bracket 41 is hinged to the base 2 and rotatable in the paper thickness direction Z, the inward movement of the link 43 can drive the mount bracket 41 and the heat-sensitive sheet 42 mounted on the mount bracket 41 to move toward the glue roller 223 and oppose the heat-sensitive sheet 42 to the glue roller 223. When the connecting piece 43 moves outwards, the second matching convex part 431 moves to the avoidance concave part 413, and the elastic acting force of the upper bracket resetting piece 46 on the mounting bracket 41 upwards is matched, so that the mounting bracket 41 and the heat-sensitive sheet 42 are driven to move away from the rubber roller 223, and finally the heat-sensitive sheet 42 is separated from the rubber roller 223.
Referring to fig. 10 to 14, the side cover 3 is provided with a hinge portion 31 at one end portion, the side cover 3 is provided with a stopper post 35 at one side opposite to the hinge portion 31, the stopper post 35 is provided with a connection hole, the side cover 3 is provided with two second positioning grooves 33 at the inner side, the two second positioning grooves 33 are both extended along the paper feeding direction X and are respectively located at both sides of the stopper post 35 based on the paper thickness direction Z, the second positioning grooves 33 are provided with a first bottom wall 34, the side cover 3 is further provided with a chute 36 penetrating therethrough, the chute 36 is extended along the paper feeding direction X, and the chute 36 is close to the stopper post 35. The side cover 3 is provided with a positioning convex ring 32 at a position corresponding to the paper bin slot 211, and the positioning convex ring 32 is provided with a top surface facing the paper width direction Y, and is used for limiting printing paper and strengthening a side cover structure.
The hand-held thermal printer further comprises a locking piece 51 and two locking reset pieces 52, the locking piece 51 is provided with a first positioning groove 513 in the middle, the first positioning groove 513 extends along the paper feeding direction X, the limiting column 35 is in clearance fit with the first positioning groove 513, a limiting screw (not shown) is connected with the connecting hole, and a nut of the limiting screw is in limit fit with the locking piece 51. The locking piece 51 is provided with two limiting strips 514, the two limiting strips 514 are respectively located at two sides of the first positioning groove 513, the limiting strips 514 are located in the second positioning groove 33 and move along the second positioning groove 33, the limiting strips 514 are arranged in an arc shape and form a limiting groove 517, and the limiting groove 517 is provided with a second bottom wall 515. The first bottom wall 34 is opposite to the second bottom wall 515, the first bottom wall 34 is located closer to the hinge portion 31, the latch reset piece 52 is a spring, the latch reset piece 52 is located in the second positioning groove 33 and the limiting groove 517, and the latch reset piece 52 is abutted between the first bottom wall 34 and the second bottom wall 515.
The latch piece 51 is further provided with an operation portion 516, a latch portion 511, and an engaging portion 512, the operation portion 516 being located in the middle, and the operation portion 516 passing through the slide groove 36 and being movable along the slide groove 36 when the latch piece 51 is slidably provided on the inner side of the side cover 3. The locking portion 511 and the mating portion 512 are respectively located at two sides of the first positioning groove 513 in the paper thickness direction Z, and the locking portion 511 is in a locking arrangement. The mating portion 512 has an end face facing the connection piece 43, and the mating portion 512 has an end face facing the connection portion 532.
Referring to fig. 5, the middle frame 21 is provided with a hinge 214 near the paper bin slot 211, the middle frame 21 is provided with a lock 215 near the paper outlet 225, the hinge 214 is arranged in a slot shape, the hinge 31 of the side cover is hinged with the hinge 214, the side cover 3 rotates in the paper width direction Y, and the lock 215 is arranged in a lock slot.
Referring to fig. 15 to 17, and referring to fig. 12, the middle frame 21 is provided with a first chute 231 and a second chute 218 communicating with each other on opposite sides of the locking portion 215 based on the paper feed through slot 212, the second chute 218 being located on the inner side, the first chute 231 being located on the outer side, the first chute 231 communicating with the positioning hole 217.
The thermal printer 1 further comprises a locking piece 53 and a locking reset piece 54, the locking reset piece 54 is provided with a first sliding block 536 and a second sliding block 535 by a spring, the first sliding block 536 is provided with a connecting portion 532 extending towards the side cover 3, the first sliding block 536 is further provided with a clamping portion 531, the clamping portion 531 is arranged in a clamping block manner, the periphery of the clamping portion 531 is provided with an arc avoidance groove 534, the first sliding block 536 and the connecting portion 532 are arranged in the first sliding groove 231 and can slide in the same, the second sliding block 535 is provided with a positioning column 533, the positioning column 533 and the first sliding block 536 are located on two opposite sides of the paper feeding direction X, the first sliding block 536 is located on one side close to the connecting shaft 43, the second sliding block 535 is arranged in the second sliding groove 218 and can slide in the same direction, the locking reset piece 54 is arranged in the paper feeding direction X and elastically abuts between the locking piece 53 and the middle frame 21, the locking reset piece 54 is arranged in the second sliding groove 218 and is sleeved outside the positioning column 533, the locking reset piece 53 is driven to move by moving the connecting portion 532, and the elastic force of the locking reset piece 54 is applied to the clamping portion 53 and the locking reset piece 53 is separated from the locking portion 53, the locking reset piece 53 is connected with the locking portion 53 and the middle frame 21, the locking reset piece is separated from the locking reset piece 53, and the locking reset piece 53 is connected with the side cover 43 by the elastic piece 53, and can be separated from the side cover frame 3. In the closed state, the state is as shown in fig. 10 to 12 and 15. After the device is assembled, the upper cover 241 covers the upper mounting position and is connected with the middle frame 21, the middle position of the upper cover 241 is provided with an assembly hole, the paper feeding key 124 and the annular lamp strip 123 are positioned at the assembly hole, the operation and the use can be convenient, and the assembly structure is optimized through the integrated design of the circuit board, the keys and the lamp strip.
Referring to fig. 16, and fig. 18 to 20, when the side cover 3 is to be opened for loading, the operation portion 516 is shifted from the outside of the cover body 3 to move the locking member 51 in the direction of opening the cover, in this embodiment, the direction of opening the cover and the direction of feeding the paper are the same, and as the locking member 51 is moved to open the cover, the engaging portion 512 of the locking member 51 abuts against the connecting portion 532 of the locking member 53, and then the locking member 53 is driven to move in the same direction, and at the same time, the clip portion 531 is separated from the lock portion 434, and the locking portion 511 is separated from the locking portion 215. Then, under the elastic force of the reset member 44, the connecting member 43 is driven to pop up towards the side cover 3, and abuts against the matching portion 512 through the abutting portion 435, so that the latch member 51 and the side cover 3 are pushed to pop up outwards, and then the side cover can be smoothly and smoothly opened, the limiting block 436 is in limiting fit with the positioning perforation 217 to prevent excessive pop-up, meanwhile, as the second matching convex portion 431 moves to the avoidance concave portion 413, the upper bracket reset member 46 is matched to drive the mounting bracket 41 and the thermal sensitive sheet 42 to move away from the rubber roller 223, so that the thermal sensitive sheet 42 is separated from the rubber roller 223, finally, the printing paper 10 can be pulled out of a section of the tiling section 112 in a paper loading manner of fig. 2, the winding section 111 of the printing paper 10 is loaded into the paper bin slot 211 from the paper loading opening 213, the tiling section 112 of the printing paper 10 is loaded into the paper feeding through slot 212, and the tiling section 112 can be arranged between the thermal sensitive sheet and the rubber roller in an unimpeded manner.
Referring to fig. 10 to 12, in combination with fig. 15, the side cover 3 is covered, as the cover 3 is pushed in, the engaging portion 512 of the latch member 51 pushes the connecting piece 43 to extend inward, then the engaging portion 531 engages with the lock portion 434, the lock portion 511 engages with the lock portion 215, and the cover 3 is completed to cover the paper fitting opening 213, and as the second engaging protrusion 431 engages with the first engaging protrusion 412, the mounting bracket 41 and the heat-sensitive sheet 42 are driven to rotate in the paper thickness direction Z toward the glue roller 223, so that the heat-sensitive sheet 42 opposes the glue roller 223 and clamps the printing paper, and then the paper feeding printing can be performed.
The above embodiment is only a preferred embodiment of the present application, and may have a change in practical application, for example, the rubber roller may be disposed at an upper mounting position, the thermal sensitive component is disposed at a lower mounting position, and the other structures may be adaptively changed according to the change of the rubber roller and the thermal sensitive component, so that the present application may be realized. Of course, the heat-sensitive sheet retraction structure is not required, and the paper can be slid between the heat-sensitive sheet and the rubber roller when the paper is loaded from the side.
Furthermore, for the relative arrangement of the first matching convex part, only the structure with the height difference is required to be arranged on the mounting bracket, and the higher structure is used as the first matching convex part, namely the first matching convex part can be a plane, and only the groove, the concave part or the avoidance concave part is required to be arranged on one side of the first matching convex part, so that the second matching convex part has the height difference in the advancing process, thereby realizing the movement of the thermosensitive sheet.
In addition, the mounting bracket is connected with the base in a hinged manner, a sliding manner along the thickness direction of the paper can be adopted, and corresponding sliding grooves are arranged, so that the movement of the mounting bracket and the thermosensitive plate along the thickness direction of the paper can be realized.
And, on some thermal printer models, such as the thermal printer of the seat type or desk-top type, can also not set up paper storehouse groove or paper storehouse, adopt the external paper storehouse or mode of the outer paper feeding, cooperate with the thermal plate to roll back the structure, then the printing paper can pass smoothly, and is held by thermal plate and rubber roll, then can realize the purpose of the invention too.
From above, through setting up the paper bin groove and the paper feed logical groove of intercommunication to set up the dress paper opening on the same one side of paper width direction, the printing paper of package can draw out one section tiling section then, the printing paper of coiling section packs into paper bin groove, the printing paper of tiling section packs into the paper feed logical groove, and can slide into between thermal sensitive piece and the rubber roll, then can normally feed paper again after covering the side cap and print the formation of image, through the dress paper mode of lateral part, simultaneously because thermal sensitive piece and rubber roll all set up on the base, simplify the open structure of lid and structure thereof, do not need to remove by a wide margin when adorning paper, so also improve the cooperation stability of both, improve the stability of printer. Because the section of tiling section is pulled out firstly to need when adorning paper, so set up the articulated part in the position department that is close to paper storehouse groove, locking part is located paper outlet department, so the opening of side cap and along the rotation of paper width direction, avoided the interference to package printing paper dress paper to improve dress paper simplicity. Meanwhile, as the whole volume of the handheld thermal printer is smaller, the nano wire grooves and the batteries are arranged on the two sides of the paper feeding through groove in the paper thickness direction, and the nano wire grooves are used for accommodating charging wires or data wires, so that the layout of devices is optimized, the space utilization rate is improved, and further miniaturization design of the printer is facilitated. And through the cooperation of well frame, upper cover and lower cover for each device of printer can conveniently install on well frame, and the assembly is accomplished to the lid of upper cover and lower cover, then makes things convenient for the installation assembly of each device. The side plates of the middle frame are arranged, so that the shapes of the paper bin groove and the paper feeding through groove are kept, the peripheral integral structure is strengthened, the relative positions of the rubber roller and the thermosensitive sheet are stabilized, and the printing stability is improved. On the opening side of the side cover, the functional keys of the main control circuit board can be arranged on one side of the paper loading opening, so that hidden installation of the keys is realized, and key operation after the side cover is opened is also facilitated.
In addition, through mobilizable connecting piece, with the cooperation of second cooperation convex part with have first cooperation convex part to and the support resets the piece and exert elastic force to the installing support, can realize then that connecting piece drive installing support and thermal-sensitive piece are towards or keep away from the rubber roll and remove, when the thermal-sensitive piece is kept away from the rubber roll, then can be convenient in the printing paper of tiling form pass the paper feed through groove, be close to the rubber roll at the thermal-sensitive piece and to the printing paper centre gripping after, can carry out the paper feed printing, the thermal-sensitive piece of this case is rolled back structural design, be convenient for in the location of packing into of printing paper, its adaptation is used in handheld thermal-sensitive piece printer, seat thermal-sensitive printer, seat thermal transfer printer and no paper storehouse formula's outer paper feed thermal printer. Through the paper width direction movement of the connecting piece and the rotation of the mounting bracket in the paper thickness direction, the heat-sensitive sheet is not only convenient to retract or push, but also convenient to connect operation of the connecting piece. The locking piece is connected with the locking part, can keep the position of connecting piece, keeps the relative position of installing support and thermosensitive piece then, improves running stability, and when locking piece and locking part separation, because the connecting reset piece applys the elastic force along paper width direction to the butt portion of connecting piece, then the connecting piece pops out, thermosensitive piece and rubber roll separation. The elastic pressure force of the locking reset piece to the locking piece is used for improving the locking of the locking piece to the connecting piece, so that the running stability of the equipment is improved. The connecting piece is installed and positioned through the positioning perforation and the positioning blind hole, so that the movement and the fixation of the connecting piece are stabilized, and the pushing operation of the connecting piece can be facilitated through the positioning perforation at the end part of the connecting piece. Through the spacing cooperation of the stopper that is located inboard and location perforation, prevent the transition of connecting piece to pop out, avoid the break away from of connecting piece. By arranging the first matching convex part and the avoiding concave part on the mounting bracket, the larger height difference between the convex part and the concave part is utilized, so that the movable range of the mounting bracket and the thermosensitive plate is improved. Through the setting of guide inclined plane, the convex part cooperation of being convenient for remove to realize stable installing support and the removal of thermal sensitive piece. Because the thermal sensitive sheet and the rubber roller extend along the paper width direction, the mounting bracket is balanced and supported by at least two matched convex parts arranged along the paper width direction, and a balanced supporting platform is also provided for the thermal sensitive sheet.
Furthermore, the side cover is slidably provided with the locking piece, and the side cover is conveniently opened and closed and locked by locking or unlocking the slidable locking piece. The installation location of the latch fitting is carried out through the first positioning groove matched with the limiting column and the limiting screw, the sliding limit is carried out through the second positioning groove and the limiting strip, and meanwhile, the latch resetting piece is arranged in the second positioning groove and the limiting groove, so that the reset and continuous elastic holding force of the latch fitting are realized. The position of the connecting piece can be locked through the locking piece, when the side cover is opened, the locking piece is moved and driven to move in the same direction, then the locking piece is separated from the connecting piece, unlocking is achieved, the connecting piece is ejected out to push up the side cover, a series of linkage structures optimize the hand feeling of opening the cover, and the cover opening and closing actions are smoother.
Claims (7)
1. A side-loading handheld thermal printer comprising:
The paper feeding device comprises a base, wherein the base is provided with a paper bin groove and a paper feeding through groove, the paper feeding through groove extends along a paper feeding direction, a paper outlet is formed in the front end of the paper feeding through groove in the paper feeding direction, the rear end of the paper feeding through groove in the paper feeding direction is communicated with the paper bin groove, paper loading openings are formed in the same side of the paper bin groove and the paper feeding through groove in the paper width direction, an upper mounting position is arranged above the paper feeding through groove in the paper thickness direction, and a lower mounting position is arranged below the paper feeding through groove in the paper thickness direction;
The side cover covers the paper loading opening and is connected with the base;
one of the heat-sensitive sheet and the rubber roller is arranged on the upper mounting position, the other one of the heat-sensitive sheet and the rubber roller is arranged on the lower mounting position, and the heat-sensitive sheet is opposite to the rubber roller;
The base is provided with a hinge part close to the paper bin groove, the base is provided with a locking part close to the paper outlet, the side cover is hinged with the hinge part, and the side cover is provided with a locking part clamped with the locking part;
The handheld thermal printer further comprises a mounting bracket, a bracket resetting piece and a connecting piece, wherein the thermal sensitive sheet, the mounting bracket, the bracket resetting piece and the connecting piece are all arranged on the same side of the paper feeding through groove based on the thickness direction of the paper;
The mounting bracket is provided with a first matching convex part, the connecting piece is provided with a second matching convex part, the second matching convex part is in abutting matching with the first matching convex part, the bracket resetting piece is elastically connected between the mounting bracket and the base, and the thermosensitive piece is mounted on the mounting bracket;
An abutting part is arranged at the end part, close to the paper loading opening, of the connecting piece in the paper width direction, the side cover is detachably abutted with the abutting part, the connecting piece can move along the paper width direction, the mounting bracket is hinged with the base and can rotate in the paper thickness direction, and the movement of the connecting piece drives the mounting bracket and the heat-sensitive sheet to move towards or away from the rubber roller;
the handheld thermal printer further comprises a connecting reset piece, a locking reset piece and a locking piece, wherein the locking piece is slidably arranged on the inner side of the side cover, the locking piece is provided with a locking part and an operating part, the operating part penetrates through the side cover, and the locking part is clamped with the locking part;
the connecting piece is provided with an abutting part and a locking part at two ends of the paper width direction respectively, the locking part and the abutting part are positioned on the same side, and the connecting reset piece is elastically abutted between the abutting part and the base along the paper width direction;
The locking piece is provided with a clamping part and a connecting part, the locking piece can be movably arranged on the base along the uncovering direction of the locking piece, the locking reset piece is elastically abutted between the locking piece and the base, the clamping part is detachably clamped with the locking part, and the locking piece is abutted with the connecting part and can drive the locking piece to move.
2. The hand-held thermal printer of claim 1 wherein:
the side cover rotates in the paper width direction.
3. The hand-held thermal printer of claim 1 wherein:
the base is provided with the nanowire groove, the nanowire groove is in be provided with on the same side of dress paper opening and hold the line mouth, it is located to hold the line groove the paper feed leads to the groove based on paper thickness direction's one side.
4. The hand-held thermal printer of claim 1 wherein:
the base is provided with a battery, and the battery is located on one side of the paper feeding through groove based on the paper thickness direction.
5. The hand-held thermal printer of any one of claims 1 to 4, wherein:
The base comprises a middle frame, an upper cover and a lower cover, wherein the paper bin groove, the paper feeding through groove, the upper mounting position and the lower mounting position are arranged on the middle frame, the side cover is connected with the middle frame, the upper cover covers the upper mounting position and is connected with the middle frame, and the lower cover covers the lower mounting position and is connected with the middle frame.
6. The hand-held thermal printer of claim 5 wherein:
the middle frame is provided with a side plate on the same side of the paper bin groove and the paper feeding through groove in the paper width direction, and the side plate and the paper loading opening are respectively positioned on the opposite sides of the paper width direction.
7. The hand-held thermal printer of claim 5 wherein:
The handheld thermal printer comprises a main control circuit board, wherein the main control circuit board is arranged on one side of the middle frame, which is positioned on the basis of the paper thickness direction, of the paper feeding through groove, the main control circuit board is provided with a key, one side of the middle frame, which is positioned on the paper loading opening, is provided with a key hole, and the key is positioned in the key hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010497096.2A CN111546791B (en) | 2020-06-03 | 2020-06-03 | Hand-held thermal printer with paper on side |
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| JP2002240359A (en) * | 2001-02-20 | 2002-08-28 | Casio Comput Co Ltd | Printer |
| CN102658732A (en) * | 2012-05-31 | 2012-09-12 | 广州市宝比塑料制品有限公司 | Printer |
| JP6329033B2 (en) * | 2014-08-27 | 2018-05-23 | セイコーインスツル株式会社 | Thermal printer module and thermal printer |
| CN110901236B (en) * | 2019-12-14 | 2024-08-06 | 珠海浩盛标签打印机有限公司 | Thermal printer with wide suitability of printing paper size |
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| CN212827431U (en) * | 2020-06-03 | 2021-03-30 | 珠海浩盛标签打印机有限公司 | Handheld thermal printer with paper on side part |
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