CN212372986U - Rotary reset device - Google Patents

Abstract

The utility model provides a structural design is reasonable, the operation is simple and easy can laborsaving rotate, the rotation resetting means who resets, which comprises a housin, including the transmission clamp plate, the transmission clamp plate is rotatable to be set up on the casing, be provided with on the casing and be used for the drive transmission clamp plate pivoted first drive arrangement and drive the first resetting means that the transmission clamp plate resets.

Description

Rotary reset device

Technical Field

The utility model relates to a printer class technical field, in particular to rotate resetting means.

Background

Along with the improvement of the living standard, people pursue the quality of life and the convenient degree of life more and more, also corresponding label printer that can improve the quality of life and make life more convenient has appeared on the market, and this kind of label printer not only can print out the characters, can also print figure and photo. The name and the quality guarantee period of the article can be printed in life, a user can be helped to find the article more quickly, the quality guarantee period of the article is reminded, the user can use the article within the quality guarantee period, and the article is prevented from being overdue due to long-term non-use. The problem error recording device can be used for printing the problem error of the student in the learning process, helps the student establish the problem error set, can quickly record the problem error, reduces the time for the student to copy and write the problem error set, strives for more learning time for the student, and improves the learning efficiency.

The existing label printer mainly comprises a shell, a paper bin, a battery bin, a paper outlet channel, a roller, a heating component and a blade, wherein the paper bin and the battery bin are arranged on the shell, the roller is arranged on one side of the paper outlet channel and used for driving a paper roll to discharge paper, the heating component is arranged on the other side of the paper outlet channel and used for heating thermal paper, and the blade is arranged on the paper outlet channel and used for cutting the printed thermal paper. When the printer is used, the heating component presses the roller to clamp the thermal paper between the heating component and the roller, and the thermal paper is heated and printed while being driven to discharge paper. When the paper roll is replaced, the heating part and the roller are required to be spaced, a gap is reserved between the heating part and the roller, the free end of the paper roll penetrates through the gap between the heating part and the roller, and after the free end of the paper roll is placed, the heating part is driven to move towards the roller to clamp the thermal sensitive paper. Therefore, a driving device for driving the heating member needs to be provided in the printer.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a structural design is reasonable, the operation simply can laborsaving rotation, the rotation resetting means who resets.

In order to solve the technical problem, the utility model adopts the technical scheme that the rotary reset device comprises a shell, and a transmission pressing plate is arranged on the shell in a rotatable manner, and a first driving device for driving the transmission pressing plate to rotate and a first reset device for driving the transmission pressing plate to reset are arranged on the shell.

The further improvement is that: the shell is provided with an auxiliary labor-saving device which is used for assisting the first driving device to drive the transmission pressure plate to rotate in a labor-saving manner and assisting the first resetting device to drive the transmission pressure plate to reset in a labor-saving manner.

The further improvement is that: the first driving device comprises a rotating block, the middle of the rotating block is rotatably arranged on the shell, and the lower end of the rotating block is connected with one end of the transmission pressing plate.

The further improvement is that: the first reset device comprises a first elastic reset piece and a second elastic reset piece, two end parts of the first elastic reset piece are respectively and fixedly arranged at the lower end part of the rotating block and one end of the transmission pressing plate, one end of the second elastic reset piece is arranged at the free end of the transmission pressing plate, and the other end of the second elastic reset piece is arranged on the shell of the transmission pressing plate, which is opposite to the first elastic reset piece.

The further improvement is that: the auxiliary labor-saving device comprises a first limiting plate and a second limiting plate, wherein the first limiting plate and the second limiting plate are respectively arranged on the shell on two sides of the transmission pressing plate, the transmission pressing plate can slide and rotate to be arranged between the first limiting plate and the second limiting plate, a first rotating bulge is arranged on one side, close to the rotating block, of the first limiting plate, a second rotating bulge is arranged on one side, far away from the rotating block, of the second limiting plate, and a first rotating groove and a second rotating groove which are matched with the first rotating bulge and the second rotating bulge respectively are formed in the transmission pressing plate.

The further improvement is that: and a third elastic reset piece is arranged between one side of the transmission pressing plate, which is close to the rotating block, and the second limiting plate, one end of the third elastic reset piece is arranged on the transmission pressing plate, and the other end of the third elastic reset piece is arranged on the second limiting plate.

The further improvement is that: the first elastic reset piece is a first spring, and the second elastic reset piece is a second spring.

The further improvement is that: the third elastic reset piece is a third spring.

By adopting the technical scheme, the beneficial effects of the utility model are that: the utility model provides a transmission clamp plate is slidable and rotatable setting, and turning block, first spring, second spring and third spring drive transmission clamp plate slide, rotate between first limiting plate, second limiting plate. The transmission pressing plate can enable the second rotating groove on the transmission pressing plate to be matched with the second rotating protrusion on the second limiting plate and enable the first rotating groove on the transmission pressing plate to be matched with the first rotating protrusion on the first limiting plate through sliding. The first rotating bulge is arranged on the transmission pressing plate close to the rotating block, and the second rotating bulge is arranged on the transmission pressing plate close to the heating component. When the third spring pushes the transmission pressing plate to move towards the first limiting plate, the first rotating groove is matched with the first rotating protrusion, the second spring pushes the transmission pressing plate to drive the heating part and the roller to be slowly far away, a labor-saving lever is formed between the second spring, the transmission pressing plate and the first rotating protrusion, and meanwhile the elastic potential energy of the third spring also helps the transmission pressing plate to rotate towards the direction far away from the roller. When the first spring pulls the transmission pressing plate to slide towards the second limiting plate, the second rotating groove is matched with the second rotating protrusion, the transmission pressing plate is further pulled by the first spring to drive the heating part and the roller to slowly approach, and a labor-saving lever is formed among the first spring, the transmission pressing plate and the second rotating protrusion; the position of the rotation center of the transmission pressing plate is adjusted through the sliding of the transmission pressing plate, so that the driving rod can form a labor-saving lever no matter the driving heating part is driven to be close to the roller or the driving heating part is driven to be far away from the roller. Slip through the transmission clamp plate makes the transmission clamp plate can form different lever structure between first limiting plate or the second limiting plate respectively, reduces the working strength of first spring, second spring and third spring, prolongs the life of first spring, second spring and third spring, and this structure setting is exactly the inefficacy of spring when generally damaging in the inside of printer simultaneously, is exactly the life at the extension printer when prolonging the life of spring.

Drawings

Fig. 1 is a schematic structural diagram of a mini label printer according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a mini label printer according to an embodiment of the present invention.

Fig. 3 is a top view of the internal structure of a mini label printer according to an embodiment of the present invention.

Fig. 4 is a perspective view of an internal structure of a mini label printer according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of a rotary reset device according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a rotary reset device according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of a transmission pressing plate in the rotary reset device according to the embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a second driving mechanism in the mini label printer according to the embodiment of the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 8, the embodiment of the present invention discloses an embodiment of a rotary reset device applied to a mini label printer, including an upper housing 10 and a lower housing 11, wherein the upper end of the upper housing is provided with a groove 44 downward, the groove is provided with a mounting plate 45 for displaying patterns, the mounting plate 45 can be a pattern itself or a transparent pattern presenting the bottom surface of the groove, the upper housing 10 is detachably disposed on the lower housing 11, the lower end of the upper housing 10 is rotatably engaged with a slot 12 provided at the upper end of the lower housing 11 through a locking block, the side wall of the lower housing 11 is provided with a paper outlet 13, the lower housing 11 is provided with a middle housing 14 for mounting batteries and paper rolls, the middle housing 14 is provided with a paper compartment 15 for placing the paper rolls and a battery compartment 16 for mounting batteries in parallel, be provided with in the paper storehouse 15 and be used for the scroll cover to establish the erection column 17 of installation, set up battery compartment 16 and paper storehouse 15 side by side and can make the position of battery compartment 16 and paper storehouse 15 compacter, save the space that is used for seting up battery compartment 16 that originally leaves the bottom simultaneously, effectively reduce the holistic thickness of this printer, the battery of degree of depth for can holding two sets of upper and lower layer installations is seted up in the appearance chamber of battery compartment 16, a set of battery is two, battery compartment 16 is located paper storehouse 15 one sideOffer on the bulkhead with the intercommunication groove 18 of the battery dismouting of being convenient for that paper storehouse 15 is linked together, the intercommunication groove 18 offer degree of depth and paper storehouse 15 and battery compartment 16 wait deeply, offer intercommunication groove 18 back scroll when being in the maximum diameter, the outside of scroll can stretch into in the intercommunication groove 18, can utilize the space of intercommunication groove 18 to offer paper storehouse 15, let the structure of this printer compacter, effectively reduce the diameter size of this printer, reduce the fuselage size of this printer, after dismantling the scroll, user's finger can stretch into in the paper storehouse 15 and pass intercommunication groove 18 and pull out the battery of installing in battery compartment 16, the dismantlement of the battery of being convenient for, well casing 14 is last to be located and has offered out paper passageway 19 between paper storehouse 15 and exit slot 13, exit slot 19 with exit slot 13 is linked together, exit slot 19 both sides can slide respectively and be provided with heating part 20, the heating part that is used for heating the temperature-sensitive paper, A roller 21 for driving the paper roll to exit is rotatably disposed on the middle casing 14, the roller 21 is rotatably disposed between the middle casing 14 and the lower casing 11, the heating component is a semiconductor heating element (the semiconductor heating element in this embodiment is a known product, and can be purchased and used in the market directly, so that the semiconductor heating element is not described in detail here), the heating component 20 is slidably disposed between the middle casing 14 and the lower casing 11, a blade 22 for cutting printed thermosensitive paper is slidably disposed on the paper exit channel 19, and the middle casing 14 is provided with a driving component 20 for sliding and pressing or keeping away from the roller 21Heating member driving mechanismThe second driving mechanism is used for driving the blade 22 to slide in a reciprocating mode, and the third driving device is used for driving the roller 21 to roll.

Heating member actuating mechanism compresses tightly or drives heating member 20 and keeps away from the transmission clamp plate 23 of roller 21 including being used for driving heating member 20 to roller 21, transmission clamp plate 23 is rotatable to be set up on the mesochite 14 bottom of printer, be provided with on the mesochite 14 and be used for the drive transmission clamp plate 23 drives heating member 20 and compresses tightly first drive arrangement and drive to roller 21 transmission clamp plate 23 drives heating member 20 and keeps away from roller 21 and carry out the first resetting means that resets, be provided with on the mesochite and be used for supplementary first drive arrangement laborsaving drive transmission clamp plate 23 drives heating member 20 and compresses tightly and supplementary first resetting means laborsaving drive to the roller it drives supplementary laborsaving device that heating member 20 resets to drive transmission clamp plate 23 drives heating member 20.

The first driving device comprises a rotating block 25, the middle shell 14 penetrates through a through hole 24 formed in the upper surface and the lower surface, the middle part of the rotating block 25 is rotatably arranged in the through hole 24 through a rotating shaft, and the lower end of the rotating block 25 is connected with one end of the transmission pressing plate 23. First resetting means includes that first elasticity resets, second elasticity resets, first elasticity resets for first spring 26, second elasticity resets for second spring 27, first elasticity resets both ends respectively fixed set up in tip and transmission clamp plate 23 are served under the turning block 25, second elasticity resets one end set up in transmission clamp plate 23 is close to on one of heating part 20, the other end fixed set up in transmission clamp plate 23 resets on the casing of an opposite side for first elasticity.

The auxiliary labor-saving device comprises a first limiting plate 28 and a second limiting plate 29, the first limiting plate 28 and the second limiting plate 29 are respectively arranged on the shell body at two sides of the transmission pressing plate 23, the transmission pressing plate 23 can be arranged between the first limiting plate 28 and the second limiting plate 29 in a sliding and rotating manner, a first rotating bulge 30 is arranged on one side, close to the rotating block 25, of the first limiting plate 28, a second rotating bulge 31 is arranged on one side, close to the heating component 20, of the second limiting plate 29, a first rotating groove 32 and a second rotating groove 33 which are respectively matched with the first rotating bulge 30 and the second rotating bulge 31 are arranged on the transmission pressing plate 23, a third elastic reset piece is arranged between one side, close to the rotating block 25, of the transmission pressing plate 23 and the second limiting plate 29, the third elastic reset piece is a third spring, one end of the third elastic reset piece is arranged on the transmission pressing plate 23, the other end is arranged on the second limit plate 29.

When last casing 10 block was on lower casing 11, the interior terminal surface of going up casing 10 and the laminating of mesochite 14 up end, can with the upper end extrusion downwards of turning block 25 forces the turning block 25 to rotate, and the lower tip of turning block 25 rotates tensile first spring 26 that sets up on it, and first spring 26 stimulates transmission clamp plate 23 slides to second limiting plate 29 earlier, compresses third spring 34, and second rotation recess 33 on transmission clamp plate 23 and the protruding 31 cooperation of second rotation on the second limiting plate 29 back, first spring 26 further stimulates transmission clamp plate 23 and follows the protruding 31 center of second rotation rotates for the rotation center rotates, drives heating element 20 and compresses tightly the temperature sensing paper to the motion of roller 21, extrudees second spring 27 when transmission clamp plate 23 pivoted. After the upper shell 10 is opened, the external force is removed from the rotating block 25, the third spring 34 resets to push the transmission pressing plate 23 to slide towards the first limiting plate 28, so that the first rotating groove 32 on the transmission pressing plate 23 is matched with the first rotating protrusion 30 on the first limiting plate 28, and then the second spring 27 and the third spring 34 further reset to drive the transmission pressing plate 23 to rotate along the center of the first rotating protrusion 30 as a rotating center, so as to drive the heating component 20 to rotate away from the roller 21, and meanwhile, the first spring 26 resets to drive the rotating block 25 to reset.

The second driving mechanism comprises a first slider 35 and a pressing block 38, the first slider can be arranged on the lower shell in a sliding manner along a direction perpendicular to the paper outlet channel, a sliding protrusion 36 is fixedly arranged on the first slider 35, a slide 37 matched with the sliding protrusion 36 is arranged at the bottom of the lower shell 11, the sliding protrusion 36 can be arranged in the slide 37 in a sliding manner, one end of the pressing block 38 can be arranged on the first slider 35 in a sliding manner through a sliding groove, the blade is fixedly arranged on the first slider 35, the distance between the pressing block 38 and the paper outlet channel is smaller than the distance between the blade and the paper outlet channel, a first opening for the pressing block 38 and the blade to pass through is arranged at one side of the paper outlet channel, a second opening for the blade to pass through is arranged at the other side of the paper outlet channel, and a second driving device for driving the first slider 35 and the blade to slide towards the paper outlet channel is arranged on the lower shell, first slider 35 with be provided with between the play paper passageway and be used for the drive fourth elasticity that first slider 35 resets, fourth elasticity resets and is fourth spring 9, fourth spring 9 one end fixed set up in on first slider 35, the other end of fourth spring 9 through the slip of first slider 35 can with go out paper passageway lateral wall conflict extrusion energy storage, compact heap 38 with be provided with between the first slider 35 and be used for driving the fifth elasticity that compact heap 38 resets, fifth elasticity is fifth spring 91 (not shown in the figure), fifth spring 91 one end fixed set up in on first slider 35, the other end set up in compact heap 38 is last. The second driving device is a shearing button which can be arranged on the side wall of the lower shell in a sliding mode, and the first sliding block 35 is fixedly arranged on the shearing button.

The user manually presses the shearing button 39, the shearing button 39 pushes the first slider 35 to slide along the slide way 37, the first slider 35 drives the pressing block 38 and the blade 22 to move towards the paper outlet channel 19, along with the sliding of the first slider 35, the other end of the fourth spring 9 abuts against the outer wall of the paper outlet channel, along with the further sliding of the first slider 35, the fourth spring 9 is accumulated, the first slider 35 drives the pressing block 38 and the blade to penetrate through the first opening on the paper outlet channel, the pressing block 38 extrudes the thermal paper to abut against the wall on the other side of the paper outlet channel, the first slider 35 continuously slides to feed and accumulate the force to the fifth spring 91, meanwhile, the blade is driven to penetrate through the second opening on the paper outlet channel to cut the printed thermal paper, after the cutting is completed, the user releases the hand, the fourth spring 9 releases elastic potential energy to drive the first slider 35 to drive the blade and the pressing block 38 to reset, meanwhile, the fifth spring 91 releases elastic potential energy to drive the compression block 38 to reset, and the first slide block 35 resets to drive the shearing button 39 to reset.

The third driving device comprises a driving motor 40, a shell of the driving motor 40 is fixedly arranged on the middle shell 14, a first gear 1 is fixedly arranged on a rotating shaft of the driving motor 40, a second gear 2 is fixedly arranged on the rolling shaft, a third gear 3 meshed with the first gear 1 is arranged on the middle shell 14, a fourth gear 4 is coaxially arranged on the lower end face of the third gear 3 in a rotating mode, a fifth gear 5 meshed with the fourth gear 4 is arranged on the middle shell 14, a sixth gear 6 is coaxially arranged on the upper end face of the fifth gear 5 in a rotating mode, a seventh gear 7 meshed with the sixth gear 6 is arranged on the middle shell 14, an eighth gear 8 is coaxially arranged on the upper end face of the seventh gear 7 in a rotating mode, and the second gear 2 is meshed with the eighth gear 8 in a rotating mode. The driving motor 40 drives the first gear 1 to rotate, the first gear 1 is meshed with the third gear 3 to rotate, the third gear 3 rotates to drive the fourth gear 4 to rotate, the fourth gear 4 rotates to be meshed with the fifth gear 5 to rotate, the fifth gear 5 rotates to drive the sixth gear 6 to rotate, the sixth gear 6 rotates to be meshed with the seventh gear 7 to rotate, the seventh gear 7 rotates to drive the eighth gear 8 to rotate, and the eighth gear 8 rotates to be meshed with the second gear 2 to rotate. The rotating speed transmitted to the roller by the driving motor is reduced by calculating gear meshing transmission with different sizes, and meanwhile, the torque of the roller 21 is increased, so that the roller can roll to drive paper rolls to discharge paper conveniently.

The lower housing 11 is provided with an electronic control module 41 for controlling the heating component 20 to heat and controlling the driving motor 40 to rotate to drive the rotating shaft to rotate, which is a corresponding content printed by thermal paper, in this embodiment, the electronic control module 41 is a known technology in printers, and the improvement point of the present application is not on the electronic control module 41, so the electronic control module 41 is not described herein, the battery pack, the driving motor 40, and the heating component 20 in the battery compartment 16 are all electrically connected with the electronic control module 41, the lower housing 11 is provided with a power button 42 for controlling the power on or off of the electronic control module 41 and a USB charging port 43 for charging the battery pack, and the power button 42 and the USB charging port 43 are both electrically connected with the electronic control module 41. An induction plate 46 is arranged on the lower end face of the transmission pressing plate downwards, the free end of the induction plate 46 can extend into or separate from a photoelectric induction port of a photoelectric switch on the electronic control module 41 through the rotation of the transmission pressing plate, when the photoelectric sensor senses the induction plate, the heating part and the roller are in a compression state, and the printer can be controlled by mobile phone software to print; when the photoelectric sensor does not sense the induction plate, the heating part and the roller are in a non-compression state, the printer cannot be controlled by mobile phone software to print, and meanwhile, an alarm signal can be fed back to the mobile phone by an electric control module of the printer to prompt a user that the heating part and the roller are in the non-compression state.

The utility model provides a use method of mini label printer, the software through the cell-phone is edited the printing content, clicks power button 42 and makes the utility model discloses start, will edit the data message after accomplishing afterwards and transmit to automatically controlled module 41 with wireless transmission's mode, automatically controlled module 41 control heating part 20 and roller 21 work carry out the printing of corresponding content to the thermal paper, after the thermal paper printed and accomplished, click and cut the button and cut the thermal paper.

Working principle of the heating member 20 driving mechanism of the label printer: when the rotating block 25 is driven to rotate, the rotating block 25 pulls the first spring 26 to pull the transmission pressing plate 23 to slide towards the second limiting plate 29, so that the second rotating groove 33 is matched with the second rotating protrusion 31, the transmission pressing plate 23 drives the heating part 20 and the roller to slowly approach under the further pulling of the first spring 26, at the moment, a labor-saving lever is formed between the first spring 26 and the transmission pressing plate as well as between the first spring 26 and the second rotating protrusion, and meanwhile, the second spring 27 and the third spring 34 are extruded to enable the second spring 27 and the third spring 34 to store energy. When the external force of the rotating block 25 is removed, the third spring 34 pushes the transmission pressing plate 23 to move towards the first limiting plate 28, the first rotating groove 32 is matched with the first rotating protrusion 30, the second spring 27 pushes the transmission pressing plate 23 to drive the heating component 20 and the roller to be slowly far away, at this time, a labor-saving lever is formed among the second spring 27, the transmission pressing plate 23 and the first rotating protrusion 30, and meanwhile, the elastic potential energy of the third spring 34 also helps the transmission pressing plate 23 to rotate towards the direction far away from the roller. The position of the rotation center of the transmission pressing plate 23 is adjusted by the sliding of the transmission pressing plate 23, so that the driving rod can form a labor-saving lever no matter the driving heating part 20 is driven to be close to the roller or the driving heating part 20 is driven to be far away from the roller.

Based on the above technical solution, a group of batteries is at least one battery, and the group of batteries disclosed in the above embodiment may also be one, three, or four.

Having shown and described the basic principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims and their equivalents.

Claims (8)

1. Rotation resetting means, including the casing, its characterized in that: the automatic reset device comprises a transmission pressing plate, wherein the transmission pressing plate is rotatably arranged on a shell, and the shell is provided with a first driving device for driving the transmission pressing plate to rotate and a first reset device for driving the transmission pressing plate to reset.

2. The rotary reset device of claim 1, wherein: the shell is provided with an auxiliary labor-saving device which is used for assisting the first driving device to drive the transmission pressure plate to rotate in a labor-saving manner and assisting the first resetting device to drive the transmission pressure plate to reset in a labor-saving manner.

3. The rotary reset device according to claim 1 or 2, wherein: the first driving device comprises a rotating block, the middle of the rotating block is rotatably arranged on the shell, and the lower end of the rotating block is connected with one end of the transmission pressing plate.

4. The rotary reset device of claim 3, wherein: the first reset device comprises a first elastic reset piece and a second elastic reset piece, two end parts of the first elastic reset piece are respectively and fixedly arranged at the lower end part of the rotating block and one end of the transmission pressing plate, one end of the second elastic reset piece is arranged at the free end of the transmission pressing plate, and the other end of the second elastic reset piece is arranged on the shell of the transmission pressing plate, which is opposite to the first elastic reset piece.

5. The rotary reset device of claim 2, wherein: the auxiliary labor-saving device comprises a first limiting plate and a second limiting plate, wherein the first limiting plate and the second limiting plate are respectively arranged on the shell on two sides of the transmission pressing plate, the transmission pressing plate can slide and rotate to be arranged between the first limiting plate and the second limiting plate, a first rotating bulge is arranged on one side, close to the rotating block, of the first limiting plate, a second rotating bulge is arranged on one side, far away from the rotating block, of the second limiting plate, and a first rotating groove and a second rotating groove which are matched with the first rotating bulge and the second rotating bulge respectively are formed in the transmission pressing plate.

6. The rotary reset device of claim 5, wherein: and a third elastic reset piece is arranged between one side of the transmission pressing plate, which is close to the rotating block, and the second limiting plate, one end of the third elastic reset piece is arranged on the transmission pressing plate, and the other end of the third elastic reset piece is arranged on the second limiting plate.

7. The rotary reset device of claim 4, wherein: the first elastic reset piece is a first spring, and the second elastic reset piece is a second spring.

8. The rotary reset device of claim 6, wherein: the third elastic reset piece is a third spring.

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