CN110936724A - Thermal printer with wide size adaptability of printing paper - Google Patents
Thermal printer with wide size adaptability of printing paper Download PDFInfo
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- CN110936724A CN110936724A CN201911337249.0A CN201911337249A CN110936724A CN 110936724 A CN110936724 A CN 110936724A CN 201911337249 A CN201911337249 A CN 201911337249A CN 110936724 A CN110936724 A CN 110936724A
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- Prior art keywords
- rack
- paper
- thermal printer
- protruding strip
- middle frame
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- 230000000903 blocking effect Effects 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 14
- 238000001514 detection method Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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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
- B41J11/0025—Handling copy materials differing in width
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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
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
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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
- B41J3/44—Typewriters or selective printing mechanisms having dual functions or combined with, or coupled to, apparatus performing other functions
- B41J3/46—Printing mechanisms combined with apparatus providing a visual indication
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- Accessory Devices And Overall Control Thereof (AREA)
Abstract
The invention provides a thermal printer with wide printing paper size adaptability, which comprises a shell assembly and a paper blocking assembly, wherein the paper blocking assembly comprises a first sliding block, a second sliding block, a first rack, a second rack and a gear; the first rack is provided with first protruding strip on the lateral wall towards the second lateral wall of the first middle frame, the length extending direction of the first protruding strip is the same as that of the first rack, the periphery of the first protruding strip and the periphery of the first rack are respectively provided with a spacing surface assembly, the first protruding strip and the first rack are respectively in clearance fit with the spacing surface assembly, the structure is adopted, the deformation of the first rack is controlled through the long area, and the first rack is not easy to deform in the moving process.
Description
Technical Field
The invention relates to the field of printers, in particular to a thermal printer with wide size adaptability of printing paper.
Background
Along with the high-speed increase of business of telex and express delivery, the express waybill was filled in with the manual in the past, and the thermal printer who adopts the thermal imaging principle has up to now printed the typeface in the relevant position of express waybill, or directly prints non-setting adhesive express waybill, then pastes on the goods after separating the non-setting adhesive label to express delivery efficiency is effectively improved.
The chinese utility model patent ZL201920345610.4 discloses a bill printer, and the specification discloses that "a first chute 51, a second chute 52, and a third chute 53 are provided on the detection plate 5 along the axial direction of the rubber roller 3, the first chute 51 and the second chute 52 are arranged collinearly, the first chute 51 and the second chute 52 are arranged near the paper bin 4, and the third chute 53 is arranged between the first chute 51 and the rubber roller 3; a first slide block 54 is arranged in the first slide groove 51, a second slide block 55 is arranged in the second slide groove 52, the first slide block 54 and the second slide block 55 are symmetrically arranged, a third slide block 56 is arranged in the third slide groove 53, and a scale 57 is arranged on the end surface of the detection plate 5 between the third slide groove 56 and the rubber roller 3; the third slider 56 includes a detection unit therein, the detection unit includes a transmitting module and a receiving module, the first slider 54 is connected with the first rack 58, the second slider 55 is connected with the second rack 59, the teeth of the first rack 58 and the teeth of the second rack 59 are arranged in a face-to-face manner, and the gear 511 is engaged between the first rack 58 and the second rack 59.
However, since the width of the slider is greater than the width of the rack, when the slider is driven, if the rack is located in the middle of the slider, and when the slider is driven to move, when the driving force acts on the end portions of two sides of the middle of the slider, the slider is easy to deform in a twisting direction, so that the rack connected with the slider is also deformed, the distance between two adjacent saw teeth on the upper portion of the rack is reduced, or one end of the rack is tilted, the rack and the gear are difficult to engage, the resistance of the gear is difficult to overcome, and the adjustment of the distance between the first slider and the second slider is realized.
Disclosure of Invention
The invention mainly aims to provide a thermal printer which avoids rack deformation and has wide paper size adaptability.
In order to achieve the first object, the thermal printer with wide size adaptability of printing paper provided by the invention comprises a shell assembly and a paper blocking assembly, wherein the shell assembly comprises a first middle frame and a shell, the first middle frame is arranged in the shell, the paper blocking assembly is arranged on the first middle frame, the paper blocking assembly comprises a first sliding block, a second sliding block, a first rack, a second rack and a gear, the first sliding groove and the second sliding groove are arranged on the first middle frame, the first sliding block comprises a paper blocking block and a connecting block, the paper blocking block is connected with the connecting block, the connecting block is arranged in the first sliding groove, the connecting block is connected with the first rack, the paper blocking block is arranged on the first side of the first middle frame, the first rack is arranged on the second side of the first middle frame, the first side of the first middle frame is opposite to the second side of the first middle frame, the first sliding block and the second sliding block are symmetrically arranged, the connecting block of the second sliding block is arranged in the second sliding groove, the connecting block of the second sliding block is connected with a second rack, the biting teeth of the first rack and the biting teeth of the second rack are arranged in a face-to-face mode, and a gear is meshed between the first rack and the second rack; the side wall of the second side wall of the first middle frame, facing the first middle frame, of the first rack is provided with a first protruding strip, the length extending direction of the first protruding strip is the same as that of the first rack, the peripheries of the first protruding strip and the first rack are respectively provided with a limiting surface assembly, and the first protruding strip and the first rack are respectively in clearance fit with the limiting surface assembly.
According to the scheme, the teeth of the first rack are meshed with the gear, the first convex strip is arranged on the first rack, the periphery of the first rack and the periphery of the first convex strip are in clearance fit with the limiting surface assembly respectively, the limiting surface assembly limits the first rack and the first convex strip in the moving process of the first rack, the arrangement of the first rack on the first middle frame is effectively reinforced, and the deformation of the first convex strip and the deformation of the first rack are controlled through a long area, so that the first rack is not easy to deform in the moving process, the sliding block is smooth to slide, the clamping frequency is avoided, and the hand feeling is good; the first slider of drive removes, makes first rack drive gear revolve, and gear revolve drives the second rack and removes to the interval between first slider of adjustment and the second slider, the fender paper piece of the first slider of being convenient for and the fender paper piece of second slider carry on spacingly to not unidimensional printing paper, avoid beating printing paper and appear shifting at the printing in-process.
Further, the length extending direction of the first protruding strip is parallel to the length extending direction of the first rack.
It can be seen that the length extending direction of the first protruding strip is parallel to the length extending direction of the first rack, so that the occupied space of the first protruding strip on the first rack is smaller, and the volume of the first rack is smaller.
The further scheme is that the limiting surface component comprises a first limiting surface, a second limiting surface, a third limiting surface and a fourth limiting surface, the first limiting surface is located between the connecting block and the first protruding strip, the second limiting surface is located on the second side wall of the first middle frame, the third limiting surface is located between the second limiting surface and the fourth limiting surface, and the fourth limiting surface is located between the first rack and the shell.
Therefore, the first limiting surface, the second limiting surface, the third limiting surface and the fourth limiting surface limit the first rack in four different directions, the deformation of the first rack in the four directions is controlled, and the first rack is effectively reinforced.
The further scheme is that the paper blocking component comprises a bottom plate, the bottom plate is arranged between the second side wall of the first middle frame and the shell, the gear is arranged on the bottom plate, and the fourth limiting surface is located on one side, facing the first rack, of the bottom plate.
Therefore, the bottom plate is added to be used as a mounting carrier of the gear and the fourth limiting surface.
The further scheme is that a second protruding strip is arranged on the bottom plate, the length extending direction of the second protruding strip is the same as that of the first rack, a fourth limiting surface is arranged on the second protruding strip, and the fourth limiting surface is adjacent to the first rack.
Therefore, the fourth limiting surface is arranged on the second convex strip, the first rack is adjacent to the second convex block, friction force generated by direct adjacent of the first rack and the side wall of the bottom plate can be reduced, and the first rack can slide more smoothly.
A first side plate and a second side plate are arranged on a second side wall of the first middle frame, the first protruding strips are positioned between the first side plate and the second side plate, the first side plate is positioned between the connecting block and the first protruding strips, and the first limiting surface is positioned on the side wall of the first side plate facing the first protruding strips; the second limiting surface is located between the first side plate and the second side plate, and the third limiting surface is located on one side wall, facing the first rack, of the second side plate.
It can be seen that the first side plate is used as a setting carrier of the first limiting surface, the second side plate is used as a setting carrier of the third limiting surface, and the second limiting surface is arranged on the first limiting surface and the third limiting surface, so that the second limiting surface can be arranged on the side wall of the first middle frame between the first side plate and the second side plate.
The thermal printer comprises a flip component and a printing component, wherein the flip component is hinged to a first middle frame, a paper feeding groove is formed between the flip component and the shell component, a paper feeding opening and a paper discharging opening are formed between the outer peripheral wall of the flip component and the outer peripheral wall of the shell component, and the paper feeding opening, the paper feeding groove and the paper discharging opening are communicated; the printing assembly comprises a thermosensitive sheet and a rubber roller, the thermosensitive sheet is arranged on one side, facing the first middle frame, of the flip assembly, the rubber roller is arranged on one side, facing the flip assembly, of the first middle frame, the paper feeding groove penetrates through the position between the thermosensitive sheet and the rubber roller, and the height of the paper feeding opening is larger than that of the paper discharging opening.
It is obvious that form into paper opening and go out the paper opening between flip subassembly's the periphery wall and the periphery wall of casing subassembly, the printer does not have the paper storehouse of setting up, and the paper open-ended height of going into is greater than the open-ended height of going out paper, and the user of being convenient for will beat printing paper and put into the paper feed inslot and print.
The further scheme is that an inclined plane is arranged on one side, facing the flip component, of the first middle frame, and the inclined plane is arranged in an inclined mode towards the flip component from the paper inlet opening to the paper outlet opening.
It can be seen that the height of the paper inlet opening is larger than that of the paper outlet opening by arranging the inclined surface on the first middle frame.
Further, one end of the paper blocking block extends along the inclined direction of the inclined surface, and the extending direction of the one end of the paper blocking block is the same as the inclined direction of the inclined surface.
Therefore, one end of the paper blocking block extends along the inclined direction of the inclined plane, so that the paper blocking block limits the printing paper from the paper inlet opening.
The thermal printer comprises a control main board and a touch screen, wherein the touch screen is connected with the control main board, the side wall of the flip component, far away from the shell component, is fully paved with the touch screen, and the touch screen is obliquely arranged.
Therefore, the touch screen is fully paved on the side wall of the side wall, away from the shell component, of the flip component, and the touch screen arranged obliquely enables the visual angle range of a user to be better, and the use feeling is improved.
Drawings
FIG. 1 is a perspective view of a thermal printer with a wide paper size adaptability according to an embodiment of the present invention at a first angle.
FIG. 2 is a perspective view of a second angle of an embodiment of a thermal printer with a wide paper size adaptability according to the present invention.
Fig. 3 is a structural view of a thermal printer having a wide dimensional adaptability according to an embodiment of the present invention after opening a cover.
Fig. 4 is an exploded view of a flip assembly in an embodiment of a thermal printer with a wide paper size adaptability according to the present invention.
Fig. 5 is a perspective view of a second middle frame in a thermal printer according to an embodiment of the present invention with a wide paper size adaptability.
Fig. 6 is a sectional view of a thermal printer having a wide dimensional adaptability of the printer sheet according to an embodiment of the present invention after the cover is opened.
Fig. 7 is an enlarged view of fig. 6A.
FIG. 8 is a perspective view of a thermal printer with a wide paper size adaptability according to an embodiment of the present invention at a first angle.
FIG. 9 is a perspective view of a second angle of an embodiment of a thermal printer with a wide paper size adaptability according to the present invention.
Fig. 10 is a structural view of a second cover of the thermal printer according to the embodiment of the present invention having a wide paper size adaptability.
FIG. 11 is a cross-sectional view of a thermal printer with a wide paper size adaptability according to an embodiment of the present invention.
Fig. 12 is an enlarged view at fig. 11B.
Fig. 13 is a sectional view of a second cover of the thermal printer according to the embodiment of the present invention having a wide paper size adaptability.
Fig. 14 is an enlarged view at fig. 13C.
Fig. 15 is a structural view of a paper blocking member in a second embodiment of the thermal printer of the present invention having a wide paper size adaptability.
FIG. 16 is a cross-sectional view of a housing assembly in a second embodiment of a thermal printer having a wide range of paper size adaptability in accordance with the present invention.
Fig. 17 is an enlarged view of fig. 16D.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
Referring to fig. 1, 2, 3 and 10, the thermal printer with a wide adaptability to the size of printing paper according to the present invention includes a flip assembly 2, a housing assembly 1, a printing assembly and a control assembly, the housing assembly 1 includes a first middle frame 11 and a housing 12, and the first middle frame 11 is disposed inside the housing 12. The flip assembly 2 includes a second middle frame 21 and a cover 22, the second middle frame 21 is disposed on a side of the cover 22 facing the first middle frame 11, and the second middle frame 21 is disposed inside the cover 22. The printing component comprises a heat-sensitive sheet 31 and a rubber roller 32, wherein the heat-sensitive sheet 31 is arranged on one side of the second middle frame 21 facing the first middle frame 11, and the rubber roller 32 is arranged on one side of the first middle frame 11 facing the flip component 2. In fig. 3, a rubber roller mounting position 321 is provided on the first middle frame 11, and the rubber roller mounting position is used for mounting the rubber roller 32. The first middle frame 11 and the housing 12 in the housing assembly 1 may be integrally formed, and the second middle frame 21 and the cover 22 in the flip assembly 2 may be integrally formed.
A paper feeding slot 33 is arranged between the flip cover component 2 and the shell component 1, a paper feeding opening 34 and a paper discharging opening 35 are formed between the peripheral wall of the cover body 22 and the peripheral wall of the shell 12, the paper feeding opening 34, the paper feeding slot 33 and the paper discharging opening 35 are communicated, and the paper feeding slot 33 passes through the position between the heat-sensitive sheet 31 and the rubber roller 32. Since the paper inlet opening 34 and the paper outlet opening 35 of the printer are provided between the outer peripheral wall of the cover 22 and the outer peripheral wall of the housing 12, no paper placing position is provided in the printer, and the paper can be placed at any position outside the printer, thereby forming an open paper bin. The height direction of the paper inlet opening 34 is the same as the height direction of the paper outlet opening 35, and the height direction of the paper inlet opening 34 is perpendicular to the width direction of the printing paper; the height of the paper inlet opening 34 is greater than that of the paper outlet opening 35, so that when a user places printing paper through the paper inlet opening 34, the user can place the paper more quickly.
Referring to fig. 4, the control module 4 includes a control main board and a touch screen 41, the control main board is connected to the touch screen 41, the touch screen 41 is disposed on an outer wall of the cover 22, and the control main board is located between the cover 22 and the second middle frame 21. The touch screen 41 can be disposed on a side wall of the cover 22 away from the housing assembly 1, and the touch screen 41 is disposed obliquely, so that the user can use the touch screen 41 more comfortably and intuitively. The control main board is disposed between the cover 22 and the second middle frame 21.
The second middle frame 21 is provided with a mounting through groove 5 and a cover plate 6, and the mounting through groove 5 can be used for placing a memory card. The mounting through-slot 5 includes a first opening 51 and a second opening 52, the first opening 51 faces the first middle frame 11, and the second opening 52 faces the cover 22. The cover plate 6 covers the first opening 51. The installation is led to and is provided with the draw-in groove in the groove 5, and the draw-in groove also can set up on the apron 6 keeps away from one side of first well frame 11, and the draw-in groove can be used for placing the storage card, is connected with the connecting wire on the draw-in groove, and the connecting wire passes second opening 52 and is connected with the control mainboard. When the printer is in the open-cover state, the cover 6 can be opened from the first opening 51, and the memory card in the through groove 5 can be quickly replaced. The control assembly is used as an operation terminal and is arranged on the printer, so that the operation terminal and the printer are combined into one machine, the printer is convenient to carry, and the working efficiency is improved.
In the first embodiment, a side wall of the cover 22 on the side away from the housing assembly 1 is provided with a boss mounting block 221, a first mounting surface 222 and a second mounting surface 223, the first mounting surface 222 is provided on the boss mounting block 221, the first mounting surface 222 is obliquely provided, and the first mounting surface 222 is provided with a mounting hole 224. The control assembly further comprises a touch screen mounting frame 42, the touch screen 41 is arranged on the touch screen mounting frame 42, and the touch screen 41 is arranged in the mounting hole 224 through the touch screen mounting frame 42. The second mounting surface 223 is arranged along the horizontal direction, the second mounting surface 223 is arranged around the outer periphery of the convex mounting block 221, the display lamp mounting position 225 is arranged on the second mounting surface 223, and the display lamp mounting position 225 is positioned on one side of the mounting convex block 221, so that the layout of the side wall of the cover body 22 far away from the shell assembly 1 is more reasonable. A scanning head mounting position 226 is further disposed on the side wall of the cover 22, and the scanning head mounting position 226 is located between the second mounting surface 223 and the housing assembly 1; the scanning head mounting position 226 on the side of the cover 22 is more convenient for the user to scan compared to the case where the scanning head is disposed on the side of the cover 22 away from the housing assembly 1.
In the present embodiment, referring to fig. 5, two limiting grooves 53, two steps 54 and a clamping groove 55 are arranged on the inner wall of the installation through groove 5, one step 54 is arranged in one limiting groove 53, and the step 54 and the clamping groove 55 are located on the inner wall of different sides of the installation through groove 5. The cover plate 6 is provided with two first clamping blocks 61 and a second clamping block 62, the first clamping blocks 61 abut against the step surface of the step 54 far away from the first opening 51, and the second clamping blocks 62 are clamped in the clamping grooves 55. The step face of first opening 51 supports first joint piece 61, and second joint piece 62 block is in joint groove 55, fixes apron 6 in first opening 51, when the storage card in the logical groove 5 of installation needs to be changed, extracts second joint piece 62 from joint groove 55, takes out apron 6 from the logical groove 5 of installation. Second joint piece 62 is the U type, be provided with clearance 63 between the first end of second joint piece 62 and the second end of second joint piece 62, apron 6 is connected to the first end of second joint piece 62, the crooked setting of second end 64 of second joint piece 62, second end 64 of second joint piece 62 is located outside the logical groove 5 of installation, frame 21's one side still is provided with recess 111 in the first well frame 11 orientation second, the second end 64 of second joint piece 62 is located recess 111, the second end 64 of second joint piece 62 can be regarded as handle portion 57, when the lid is opened at apron 6, act on the second end 64 of second joint piece 62 for handle portion, can take out apron 6 from second well frame 21 more fast more laborsavingly.
Referring to fig. 6 and 7, the hinge block 212 is disposed on the second middle frame 21, the hinge groove 112 is disposed on a side of the first middle frame 11 facing the flip assembly 2, the first buffer block 113 is disposed in the hinge groove 112, the buffer inclined plane 114 is disposed on the first buffer block 113, and the hinge block 212 abuts against the buffer inclined plane 114. The hinge block 212 is provided with a second buffer block 213, the outer peripheral wall of the second buffer block 213 is provided with an arc buffer surface 214, and the arc buffer surface 214 is adjacent to the buffer inclined surface 114. During the cover opening and closing process of the flip member 2, the hinge block 212 abuts against the buffer slope 114, and a friction force is generated, and the user needs to overcome the friction force to open and close the cover, thereby realizing the slow cover opening and closing of the printer.
The inclined surface 211 is arranged on one side of the first middle frame 11 facing the second middle frame 21, and the inclined surface 211 is obliquely arranged towards the second middle frame 21 from the paper inlet opening 34 to the paper outlet opening 35, so that the height of the paper inlet opening 34 is larger than that of the paper outlet opening 35.
In the second embodiment, referring to fig. 8 and 9, the touch screen 41 is paved on the side wall of the side of the cover 22 away from the housing assembly 1, the side wall net of the side of the cover 22 away from the housing assembly 1 is disposed in an inclined manner, and the inclination of the touch screen 41 makes the operating viewing angle range wider and the operation more convenient.
In the present embodiment, the inclined surface 10 is disposed on one side of the first middle frame 11 facing the paper inlet opening 34, and the inclined surface 10 is disposed obliquely toward the second middle frame 21 from the paper inlet opening 34 to the paper outlet opening 35, so that the height of the paper inlet opening 34 is greater than that of the paper outlet opening 35.
In the present embodiment, the glue roller 32 is provided on the side of the first middle frame 11 facing the second middle frame 21, and the heat-sensitive sheet 31 is provided between the second middle frame 21 facing the first middle frame 11. The thermal printer further comprises a paper blocking assembly 7, wherein the paper blocking assembly 7 is arranged on the first middle frame 11, and the paper blocking assembly 7 is arranged between the paper feeding opening 34 and the rubber roller 32.
In the present embodiment, referring to fig. 10, the second middle frame 21 is hinged to the first middle frame 11, two hinge grooves 112 are provided on the first middle frame 11, referring to fig. 11 and 12, a deformation block 8 and a hinge shaft 81 are provided in the hinge grooves 112, and the second middle frame 21 is hinged to the first middle frame 11 through the hinge shaft 81. The hinge block 227 is disposed on the cover 22, the hinge block 227 is disposed in the hinge groove 112, the hinge shaft 81 is connected to the hinge block 227, and the flip assembly 2 rotates around the axis of the hinge shaft 81. The deformation block 8 is arranged on the rotation direction of the hinge block 227, the hinge block 227 is in interference fit with the deformation block 8, and the deformation block 8 is made of plastic. When the printer uncaps or closes the lid, flip subassembly 2 rotates around hinge 81, because the setting of the piece 8 that warp is on the rotation direction of articulated piece 227, the piece 8 that warp is plastics, when articulated piece 227 butt warp piece 8, articulated piece 227 and the 8 interference fit that warp to warp piece 8 and take place to warp, and articulated piece 227 need overcome with the frictional force that produces when warping 8 interference fits, just can realize uncapping or close the lid, thereby realize slowly opening and shutting and cover.
The deformation block 8 is arranged on the inner side wall of the hinge groove 112, the deformation block 8 is provided with an inclined surface 82 and a protruding block 83, the inclined surface 82 is arranged on one side facing the hinge block 227, the hinge block 227 is in interference fit with the inclined surface 82, the protruding block 83 is located between the flip cover component 2 and the inclined surface 82, the protruding block 83 is provided with an arc end surface 831, and the hinge block 227 is in interference fit with the arc end surface 831. Because also interference fit between articulated piece 227 and inclined plane 82 to when the setting of inclined plane 82 guaranteed that articulated piece 227 can realize the rotation, articulated piece 227 can with the interference fit of deformation piece 8. The setting of circular arc terminal surface 831 on protruding piece 83 guarantees that articulated piece 227 can realize the pivoted while, articulated piece 227 can with the 8 interference fit that warp.
The bottom of the hinge slot 227 is provided with a first abutting block 84, the first abutting block 84 is located between two oppositely arranged side walls of the hinge slot 112, the first abutting block 84 is provided with a first abutting surface 85 and a second abutting surface 86, and the second abutting surface 86 is located between the first abutting surface 85 and the deformation block 8. The hinge block 227 is provided with a second abutting block 87, the second abutting block 87 is provided with a third abutting surface 88 and a fourth abutting surface 89, the first abutting surface 85 abuts against the third abutting surface 88, and the second abutting surface 86 abuts against the fourth abutting surface 89. The first abutment surface 85, the second abutment surface 86, the third abutment surface 87, and the fourth abutment surface 88 are each arcuate. When the hinge block 227 rotates, the hinge block 227 is firstly abutted against the first abutting block 84 and then is in interference fit with the deformation block 8, so that the cover opening and closing speed of the flip cover assembly 2 is further reduced; the arc-shaped first, second, third and fourth abutment surfaces 85, 86, 87, 88 ensure that the hinge block 227 can rotate, and the hinge block 227 can abut against the abutment surfaces to generate friction.
In this embodiment, the hinge shaft 82 is a rotating shaft, the rotating shaft 82 simultaneously passes through the first middle frame 11 and the second middle frame 21, the deformation block 8 is arranged on the radial direction of the rotating shaft 82, and after the hinge block 227 rotates, the hinge block 227 can be in interference fit with the deformation block 8.
Referring to fig. 13 and 14, in the present embodiment, two opposite side walls of the installation through slot 5 are respectively provided with a hinge slot 56, the hinge slot 56 is provided with a circular arc support surface 57, two opposite side walls of the cover plate 6 are respectively provided with a hinge column 65, the hinge columns 65 are arranged in the hinge slot 56, and the radial side walls of the hinge columns 65 are adjacent to the circular arc support surfaces 57. The flip subassembly 2 rotates around hinge post 65, realizes uncapping of apron 6, wherein the face is interfered in the formation of adjacency between hinge post 65 and the circular arc holding surface 57 of hinge groove 56, is formed with the pivot point on the face of interference, avoids appearing on the installation through groove 5 that flip subassembly 2 rotates the department and dodges the problem that is located too big or undersize, easily the processing of frame 11 in the first.
The cover 6 is rotated about the axis of the hinge post 65, and when the cover 6 is opened, the side of the cover 6 facing away from the first opening 51 faces the first middle frame 11. In the present embodiment, a side wall of the cover plate 6 on a side away from the first opening 51 is provided with a card slot 66, and the card slot 66 is used for placing a memory card. Under the state that the printer is in the state of uncapping, apron 6 rotates the back, and apron 6 deviates from first opening 51's surface towards first well frame 11, and the user reduces the interference that flip subassembly 2 or casing subassembly 1 caused when installing or dismantling the storage card that leads to the inslot 5 of installation, realizes the installation or the dismantlement of storage card fast.
The hinge slot 56 is provided with a mounting opening 58 in the radial direction of the hinge post, the hinge post 65 slides into the hinge slot 56 through the mounting opening 58, and the mounting opening 58 is provided to facilitate the fitting of the hinge post 65 into the hinge slot 56.
Two connecting plates 67 are respectively arranged on two opposite side walls of the cover plate 6, one hinge column 65 is arranged on one side, facing the hinge groove 56, of one connecting plate 67, a limiting block 59 is arranged in the installation through groove 5, a limiting groove 510 is arranged between the limiting block 59 and the side wall of the installation through groove 5, and the connecting plate 67 is located in the limiting groove 510. The rotation of hinge post 65 drives the rotation of connecting plate 67, and connecting plate 67 rotates in spacing groove 510, avoids the offset of connecting plate 67, makes hinge post 65 be located hinge groove 56 all the time. An avoiding groove 511 is formed in one end, facing the cover plate 6, of the limiting block 59, the avoiding groove 511 is communicated with the hinge groove 56 in the axial direction of the hinge column 65, and an arc bending angle 512 is formed in the avoiding groove 511. The arrangement of the avoiding groove 511 is convenient for assembling the hinge post 65 into the hinge groove 56, and the interference of the arrangement of the limiting block 59 on the assembly of the hinge post 65 is avoided.
Be provided with joint piece 68 on apron 6, frame 11 is provided with joint protruding piece 116 on the one side towards the logical groove 5 of installation in the first, is provided with the joint groove on the protruding piece 116 of joint, and joint piece 68 sets up at the joint inslot. The clamping block 68 is arranged in the clamping groove, and the clamping groove limits the clamping block 68, so that the cover plate 6 is prevented from rotating artificially. The clamping block 68 is provided with an abutting surface 681 on one side facing the clamping convex block 116, the abutting surface 681 is arc-shaped, and the arc-shaped abutting surface 681 facilitates the sliding of the clamping block 68 into the clamping groove. In this embodiment, be provided with handle block 69 on the apron 6, handle block 69 sets up on the same side lateral wall of apron 6 with the joint piece, and handle block 69 sets up outside the logical groove 5 of installation. When the handle block 69 is used to open and close the cover 6, the labor can be saved.
Referring to fig. 15, the paper blocking assembly 7 includes a first slider 71, a second slider 72, a first rack 73, a second rack 74, and a gear 75, a first chute 117 and a second chute 118 are disposed on the first middle frame 11, the first slider 71 includes a paper blocking block 76 and a connecting block 760, the paper blocking block 76 is connected to the connecting block 760, the connecting block 760 is disposed in the first chute 117, the connecting block 760 is connected to the first rack 73, the paper blocking block 76 is disposed on a first side 119 of the first middle frame 11, the first rack 73 is disposed on a second side 110 of the first middle frame 11, the first side of the first middle frame 11 and the second side 119 of the first middle frame 11 are disposed opposite to each other, and the second side 110 of the first middle frame 11 is disposed toward the housing 12. The first slider 71 and the second slider 72 are symmetrically arranged, the connecting block 760 of the second slider 72 is arranged in the second sliding groove 118, the connecting block of the second slider 72 is connected with the second rack 74, the teeth of the first rack 73 and the teeth of the second rack 74 are arranged in a face-to-face manner, and the gear 75 is engaged between the first rack 73 and the second rack 74. In the present embodiment, the first slider 71 and the second slider 72 have the same structure, and the first rack 73 and the second rack 74 have the same structure. One end of the paper stopper 76 extends in the direction of inclination of the inclined surface, and the direction of extension of one end of the paper stopper 76 is the same as the direction of inclination of the inclined surface 10, so that the paper stopper 76 restricts the printing paper from the paper feed opening 34. In this embodiment, the paper blocking block 76 includes a blocking plate 761 and a backing plate 762, the blocking plate 761 is vertically disposed on the backing plate 762, the backing plate 762 is disposed on the first side 119 of the first middle frame 11, a plurality of protruding strips 763 are disposed on a side of the backing plate 762 away from the first middle frame 11, and the protruding strips 763 extend along the paper feeding direction of the paper feeding slot 33.
The first rack 73 is provided with a first protruding strip 77 on a side wall of the second side 110 facing the first middle frame 11, a length extending direction of the first protruding strip 77 is the same as a length extending direction of the first rack 73, and in this embodiment, the length extending direction of the first protruding strip 77 is parallel to the length extending direction of the first rack 73, so that an occupied space of the first protruding strip 77 on the first rack 73 is smaller, and a volume of the first rack 73 is also smaller. Referring to fig. 16 and 17, the limiting surface assemblies 9 are respectively arranged on the peripheries of the first protruding strips 77 and the first racks 73, and the first protruding strips 77 and the first racks 73 are respectively in clearance fit with the limiting surface assemblies 9. The tooth that bites of first rack 73 needs with gear 75 meshing, first protruding strip 77 sets up on first rack 73, the periphery of first protruding strip 77 respectively with spacing face subassembly 9 clearance fit, at the in-process that first rack 73 removed, spacing face subassembly 9 is spacing to first rack 73 and first protruding strip 77, effectively consolidate the setting of first rack 73 on first well frame 11, through the deflection of first protruding strip 77 of long area control and first rack 73, make first rack 73 at removal in-process non-deformable, thereby the slider slides smoothly, not block frequently, stir and feel good.
In the present embodiment, the position-limiting surface assembly 9 includes a first position-limiting surface 91, a second position-limiting surface 92, a third position-limiting surface 93 and a fourth position-limiting surface 94. A first side plate 95 and a second side plate 96 are arranged on the second side wall of the first middle frame 11, the first protruding strip 77 is located between the first side plate 95 and the second side plate 96, the first side plate 95 is located between the connecting block 760 and the first protruding strip 77, and the first limiting surface 91 is located on the side wall of the first side plate 95 facing the first protruding strip 77. The second limiting surface 92 is located between the first side plate 95 and the second side plate 96, and the second limiting surface 92 is located on the side wall of the second side 110 of the first middle frame 11. The third limiting surface 93 is located on a side wall of the second side plate 96 facing the first rack 73, and the third limiting surface 93 is located between the second limiting surface 92 and the fourth limiting surface 94.
The fourth stopper surface 94 is located between the first rack 73 and the housing 12. The paper stop assembly 7 includes a bottom plate 78, the bottom plate 78 is disposed between the second side wall of the first middle frame 11 and the housing 12, the gear 75 is disposed on the bottom plate 78, and a fourth limiting surface 94 is disposed on a side of the bottom plate 78 facing the first rack 73. The bottom plate 78 is provided with a second protruding strip 79, and the length extending direction of the second protruding strip 79 may be the same as the length extending direction of the first rack 73, and in this embodiment, the length extending direction of the second protruding strip 79 is parallel to the length extending direction of the first rack 73. The fourth stopper surface 94 is provided on the second projecting strip 79, and the fourth stopper surface 94 abuts the first rack 73. The fourth limiting surface 94 is disposed on the second protruding strip 79, and the first rack 73 is adjacent to the second protruding block 79, so that the friction force generated by the direct adjacent of the first rack 73 and the side wall of the bottom plate 78 can be reduced, and the sliding of the first rack 73 is smoother. The first limiting surface 91, the second limiting surface 92, the third limiting surface 93 and the fourth limiting surface 94 limit the first rack 73 through four different directions of the first rack 73, namely, the upper direction, the lower direction, the left direction and the right direction, so that the deformation of the first rack 73 in the four directions is controlled, and the first rack 73 is effectively reinforced.
In this embodiment, the first rack 73 and the second rack 74 are respectively engaged with the gear 75, when the distance between the first slider 71 and the second slider 72 is adjusted, the first rack 73 can be driven to move to drive the gear 75 to rotate, the rotation of the gear 75 causes the second rack 74 to move to shorten or lengthen the distance between the first slider 71 and the second slider 72, so that the paper blocking blocks 76 and 72 of the first slider 71 and the second slider 72 can limit printing paper of different sizes, and the printing paper can be prevented from shifting during printing. In the process of moving the second rack 74, in order to avoid the deformation of the second rack 74, a protruding strip is also arranged on the second rack 74, a limiting surface assembly 9 is also arranged on the peripheries of the second rack 74 and the protruding strip, and the structure of the limiting surface assembly 9 on the periphery of the first rack 73 is the same as that of the limiting surface assembly 9 on the periphery of the first rack 73.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, rather than limitations, and that many variations and modifications of the invention are possible to those skilled in the art, without departing from the spirit and scope of the invention.
Claims (10)
1. Beat the wide thermal printer of printing paper size adaptability, including casing subassembly and fender paper subassembly, the casing subassembly includes frame and shell in first, frame sets up in the shell in first, keep off the paper subassembly and set up on the frame in first, keep off the paper subassembly and include first slider, second slider, first rack, second rack and gear, be provided with first spout and second spout on the frame in first, first slider includes fender paper piece and connecting block, fender paper piece with the connecting block is connected, the connecting block sets up in the first spout, the first rack is connected to the connecting block, fender paper piece sets up the first side of frame in first, first rack sets up on the second side of frame in first, the first side of frame in first and the second side of frame in first set up mutually oppositely, the first sliding block and the second sliding block are symmetrically arranged, the connecting block of the second sliding block is arranged in the second sliding groove, the connecting block of the second sliding block is connected with a second rack, the engaging teeth of the first rack and the engaging teeth of the second rack are arranged in a face-to-face mode, and the gear is meshed between the first rack and the second rack;
the method is characterized in that:
the first rack faces the side wall of the second side wall of the first middle frame, a first protruding strip is arranged on the side wall of the second side wall of the first middle frame, the length extending direction of the first protruding strip is the same as that of the first rack, limiting surface assemblies are arranged on the periphery of the first protruding strip and the periphery of the first rack respectively, and the first protruding strip and the first rack are in clearance fit with the limiting surface assemblies respectively.
2. The thermal printer with wide dimensional adaptability of printing paper according to claim 1, characterized in that:
the length extending direction of the first protruding strip is parallel to the length extending direction of the first rack.
3. The thermal printer with wide dimensional adaptability of printing paper according to claim 1, characterized in that;
the spacing face subassembly includes first spacing face, the spacing face of second, the spacing face of third and the spacing face of fourth, first spacing face is located the connecting block with between the first protruding strip, the spacing face of second is located on the second lateral wall of frame in first, the spacing face of third is located the spacing face of second with between the spacing face of fourth, the spacing face of fourth is located first rack with between the shell.
4. The thermal printer with wide dimensional adaptability of printing paper according to claim 3, characterized in that:
the paper blocking assembly comprises a bottom plate, the bottom plate is arranged between the second side wall of the first middle frame and the shell, the gear is arranged on the bottom plate, and the fourth limiting surface is located on one side, facing the first rack, of the bottom plate.
5. The thermal printer with wide dimensional adaptability of printing paper according to claim 4, characterized in that:
the bottom plate is provided with a second protruding strip, the length extending direction of the second protruding strip is the same as that of the first rack, the fourth limiting surface is arranged on the second protruding strip, and the fourth limiting surface is adjacent to the first rack.
6. The thermal printer with wide dimensional adaptability of printing paper according to claim 3, characterized in that:
a first side plate and a second side plate are arranged on a second side wall of the first middle frame, the first protruding strip is positioned between the first side plate and the second side plate, the first side plate is positioned between the connecting block and the first protruding strip, and the first limiting surface is positioned on the side wall of the first side plate facing the first protruding strip; the second limiting surface is located between the first side plate and the second side plate, and the third limiting surface is located on one side wall, facing the first rack, of the second side plate.
7. The thermal printer with wide dimensional adaptability of printing paper according to claim 1, characterized in that:
the thermal printer comprises a control mainboard and a touch screen, wherein the touch screen is connected with the control mainboard, the touch screen is fully paved on the side wall of one side of the shell component, and the flip component is far away from the side wall of one side of the shell component, and the touch screen is obliquely arranged.
8. The thermal printer with wide dimensional adaptability of printing paper according to any one of claims 1 to 7, characterized in that:
the thermal printer comprises a flip component and a printing component, the flip component is hinged to the first middle frame, a paper feeding groove is formed between the flip component and the shell component, a paper feeding opening and a paper discharging opening are formed between the peripheral wall of the flip component and the peripheral wall of the shell component, and the paper feeding opening, the paper feeding groove and the paper discharging opening are communicated;
the printing assembly comprises a thermosensitive sheet and a rubber roller, the thermosensitive sheet is arranged on one side, facing the first middle frame, of the flip assembly, the rubber roller is arranged on one side, facing the flip assembly, of the first middle frame, the paper feeding groove penetrates through the thermosensitive sheet and the position between the rubber rollers, and the height of the paper feeding opening is larger than that of the paper discharging opening.
9. The thermal printer with wide dimensional adaptability of printing paper according to claim 8, characterized in that:
first well frame orientation be provided with the inclined plane on one side of flip subassembly, the inclined plane certainly go into paper opening extremely go out paper opening orientation flip subassembly slope setting.
10. The thermal printer with wide dimensional adaptability of printing paper according to claim 9, characterized in that:
one end of the paper blocking block extends along the inclined direction of the inclined surface, and the extending direction of one end of the paper blocking block is the same as the inclined direction of the inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911337249.0A CN110936724A (en) | 2019-12-23 | 2019-12-23 | Thermal printer with wide size adaptability of printing paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911337249.0A CN110936724A (en) | 2019-12-23 | 2019-12-23 | Thermal printer with wide size adaptability of printing paper |
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| Publication Number | Publication Date |
|---|---|
| CN110936724A true CN110936724A (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911337249.0A Pending CN110936724A (en) | 2019-12-23 | 2019-12-23 | Thermal printer with wide size adaptability of printing paper |
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| CN (1) | CN110936724A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114434974A (en) * | 2022-02-21 | 2022-05-06 | 珠海佳博网络有限公司 | Uncap and lock spacing thermal printer |
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| JP2012183675A (en) * | 2011-03-03 | 2012-09-27 | Toshiba Tec Corp | Portable thermal printer |
| CN206086020U (en) * | 2016-10-17 | 2017-04-12 | 沈阳纽马克科技有限公司 | Bar printer paper width adjusting mechanism |
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