CN111452510A - Handheld thermal printer with cover body opened at front side - Google Patents
Handheld thermal printer with cover body opened at front side Download PDFInfo
- Publication number
- CN111452510A CN111452510A CN202010404850.3A CN202010404850A CN111452510A CN 111452510 A CN111452510 A CN 111452510A CN 202010404850 A CN202010404850 A CN 202010404850A CN 111452510 A CN111452510 A CN 111452510A
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- Prior art keywords
- connecting rod
- thermal printer
- locking
- button
- cover body
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- 238000009434 installation Methods 0.000 claims abstract description 35
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims 1
- 238000007639 printing Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007651 thermal printing Methods 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
Images
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
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
-
- 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 a cover body opened at the front side, which comprises a cover body, a base, a thermal sensitive sheet, a rubber roller and a locking assembly, wherein the thermal sensitive sheet and the locking assembly are arranged on the cover body, the rubber roller is rotatably arranged on the base, the cover body is provided with an installation position and a sliding groove, the sliding groove is communicated with the installation position, an operation opening is arranged above a paper outlet, the operation opening and the paper outlet are positioned on the same side, the locking assembly comprises a connecting rod, two locking parts, an elastic part, a rotating part and a button, the two locking parts are respectively positioned at the axial end part of the connecting rod and are in driving connection with the connecting rod, the rotating part is positioned between the two locking parts and is in driving connection with the connecting rod, the locking parts are provided with hook parts, the elastic, the button is adjacent to the rotating piece and can drive the rotating piece to rotate around the connecting rod, and the hook part is clamped with the locking groove. The cover opening operation of the miniature handheld thermal printer can be facilitated through the button operation of the front paper outlet.
Description
Technical Field
The invention relates to the field of thermal printing, in particular to a handheld thermal printer with a cover body with a front side opened.
Background
With the popularization and application of thermal printers, the thermal printers are used not only in automatic teller machines of banks, cash registers of supermarkets and delivery places of e-commerce, but also in commercial fields such as e-commerce industry and express delivery industry, and now portable thermal printers are gradually and widely applied to the field of personal consumption and use.
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 enclose a paper bin, printing paper in the paper bin is input to the rubber roller and the thermal sensitive sheet and then is printed to form an image, the cover body of the printer needs to be opened frequently due to the need of replacing the printing paper, the cover body is covered after the replacement, and the thermal sensitive sheet is opposite to the rubber roller, while a commercial seat type thermal printer has more structural arrangement space due to the larger whole machine, and the portable handheld thermal printer has smaller whole machine, the size of the whole machine is not much larger than that of a palm, and besides the components, a locking component can be arranged in the miniature thermal printer to realize the stability of cover closing, so the portable handheld thermal printer is particularly important for the structural layout of the miniature thermal printer, the related structure of cover opening needs to be optimized to improve the use hand feeling of the opening and closing cover of the miniature thermal printer, therefore, ribs need to be arranged on the wall of the shell for reinforcement, the injection molding piece shrinks to a certain extent after being demolded, and the appearance and the flatness are affected by the shrinkage of the thin wall and the ribs.
Disclosure of Invention
The invention aims to provide a handheld thermal printer which is convenient to open the cover at the front side of a cover body.
In order to achieve the purpose of the invention, the invention provides a handheld thermal printer with a cover body with a front side opened, which comprises a cover body, a base, a thermal sensitive sheet, a rubber roller and a locking assembly, wherein the thermal sensitive sheet is arranged on the cover body, the rubber roller is rotatably arranged on the base, the cover body is hinged with the base, a paper outlet is formed between the cover body and the base, the thermal sensitive sheet is opposite to the rubber roller and forms a paper feeding channel, the paper feeding channel is communicated with the paper outlet, the base is respectively provided with a locking groove at two axial ends of the rubber roller, the locking assembly is arranged on the cover body, the cover body is provided with a mounting position and a sliding groove, the sliding groove is communicated with the mounting position, the sliding groove is provided with an operating opening above the paper outlet, the operating opening and the paper outlet are positioned on the same side, the locking assembly comprises a connecting rod, two locking pieces, an elastic piece, a rotating piece and a button, the rotating piece is located between the two locking pieces and is in driving connection with the connecting rod, the locking pieces are provided with hook portions, the elastic pieces abut against between the locking pieces and the cover body, the button is slidably arranged in the sliding groove, the button abuts against the rotating piece and can drive the rotating piece to rotate around the connecting rod, and the hook portions are clamped with the locking grooves.
It is visible by above-mentioned scheme, through setting up together pivoted connecting rod, two hasp pieces and rotating member to and set up operation opening and spout in the top of exit slot and with one side, the removal of button drives the rotation of rotating member, drives the rotation of hasp piece then and can realize the unblock, and utilizes the elastic component to keep the locking of hasp piece and locking groove, and the button operation of front side exit slot can make things convenient for miniature handheld thermal printer's the operation of uncapping.
The cover body comprises an outer cover shell and a cover frame, the installation position and the sliding groove are arranged on the cover frame, the operation opening is arranged on the outer cover shell in a penetrating mode, the operation opening is communicated with the sliding groove, the outer cover shell covers the cover frame, a device containing cavity is formed between the outer cover shell and the cover frame in a surrounding mode, and the connecting rod, the two locking fasteners, the rotating part and the button are arranged in the device containing cavity.
In a further aspect, the latch assembly further includes a reset member that abuts between the button and the cover frame.
It is from top to bottom visible, through holding the chamber with connecting rod, two hasp pieces, rotating member and button setting in the device, set up on the outer cover shell through the operation opening with running through, the cooperation resets the setting of piece, and then the user can conveniently press the button through the operation opening of outer cover shell to realize the operation of uncapping.
According to a further scheme, the handheld thermal printer further comprises a paper cutter, the paper cutter is fixedly connected with the cover frame, a cutter edge of the paper cutter is located at the paper outlet, and the paper cutter is provided with an avoiding opening which is communicated between the operation opening and the chute.
From top to bottom, the cut paper sword is used for cutting off printing paper, and through the setting of dodging the mouth, the removal of button does not influence the installation of cut paper sword fixed then.
The cover frame is provided with a through opening in a penetrating manner on the end face facing the base, the lock catch piece is provided with a protruding block, the hook part is arranged on the free end of the protruding block, and the protruding block penetrates through the through opening.
From top to bottom, set up in the device holds the chamber through connecting rod, two hasp pieces, rotating member and button, and supply to stretch out the lug through the mouth of wearing of both sides and stretch out the locking connection.
The cover frame is provided with support plates at two axial ends of the connecting rod respectively, the two support plates are provided with mounting grooves in the mounting positions in a penetrating manner along the axial direction of the connecting rod, and a locking piece is rotatably mounted at one support plate; the locking fastener is provided with a protruding block and a connecting protruding block, the hook portion is arranged at the free end of the protruding block, an installation clamping position is formed between the protruding block and the connecting protruding block, the installation clamping position is matched with the installation groove, and the protruding block and the connecting protruding block are respectively located on two sides of the supporting plate.
It is from top to bottom visible, through the setting of backup pad and mounting groove to and utilize the installation screens to be located and the mounting groove cooperation, realize then that the installation is simple and easy convenient to the stable location of installing of connecting rod, two hasp pieces, rotating member.
Still further, the elastic member is coupled between the coupling protrusion and the cover frame.
The elastic piece adopts a spring, and the first end of the spring is connected with the connecting lug;
the handheld thermal printer comprises a circuit board, the cover frame is provided with a mounting column, the second end of the spring is sleeved outside the mounting column, and the circuit board is fixedly mounted on the mounting column.
It is thus clear that the connection installation through the elastic component provides pressure for the hasp piece and holds power and reset force to through the installation location that combines the circuit board, provide stable and convenient installation for the installation of spring.
A further proposal is that one end of the rotating piece facing the button is provided with a positioning block which extends into the chute.
In a further aspect, the button has a first inclined surface at an end facing the rotating member, and the positioning block has a second inclined surface at an end facing the button, the first inclined surface being adjacent to the second inclined surface.
Therefore, the positioning block extends into the sliding groove to realize the positioning and installation of the rotating part, the rotating part is limited when the rotating part rotates, and the inclined plane is matched to be adjacent to the rotating part to drive the rotating part to rotate.
Drawings
FIG. 1 is a block diagram of an embodiment of a handheld thermal printer according to the present invention.
FIG. 2 is a block diagram of a handheld thermal printer according to an embodiment of the present invention with the cover open.
Fig. 3 is an exploded view at the cover in an embodiment of the handheld thermal printer of the present invention.
FIG. 4 is a block diagram of a locking assembly in an embodiment of the handheld thermal printer of the present invention.
Fig. 5 is a block diagram of an embodiment of the present invention at a cover frame.
FIG. 6 is a cross-sectional view of an embodiment of a handheld thermal printer of the present invention in a locked state at the location of the rotating member.
Fig. 7 is a cross-sectional view of an embodiment of the handheld thermal printer of the present invention in a locked state at the location of the catch member.
FIG. 8 is a cross-sectional view of an embodiment of a handheld thermal printer of the present invention in an unlocked state at the location of the rotating member.
Fig. 9 is a cross-sectional view of an embodiment of the handheld thermal printer of the present invention in an unlocked state at the location of the catch member.
FIG. 10 is a block diagram of an outer cover in an embodiment of the handheld thermal printer of the present invention.
Fig. 11 is an exploded view at the base of an embodiment of the handheld thermal printer of the present invention.
FIG. 12 is a block diagram of an outer bottom shell in an embodiment of the handheld thermal printer of the present invention.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
Referring to fig. 1 to 6, the handheld thermal printer includes a cover 1, a base 2, a thermal sheet 101, a rubber roller 102 and a locking assembly 3, the cover 1 is hinged to the base 2, a paper outlet 104 is formed between the cover 1 and the base 2, the paper outlet 104 and the hinged position are located on two opposite sides, the thermal sheet 101 is disposed on the cover 1, the rubber roller 102 is rotatably disposed on the base 2, the thermal sheet 101 and the rubber roller 102 are opposite to each other and form a paper feeding channel 103, the paper feeding channel 103 is communicated with the paper outlet 104, the cover 1 and the base 2 also surround to form a paper bin, the paper bin is used for placing packaged printing paper, the printing paper is output from the paper bin and is conveyed along the paper feeding channel 103, the printing paper passes through a space between the thermal sheet 101 and the rubber roller 102, the rubber roller 102 drives the printing paper to be fed, the thermal sheet 101 performs thermal imaging printing on the printing.
The cover body 1 comprises an outer cover shell 11 and a cover frame 12, the locking assembly 3 comprises a connecting rod 31, two locking fasteners 33, two elastic pieces 36, a rotating piece 32, a button 34 and a reset piece 35, the end part of one side of the cover frame 12 is provided with a hinge structure, the cover frame 12 is provided with an installation position 120 and a sliding groove 124 at the position of the other side opposite to the hinge structure, the connecting rod 31 is rotatably arranged on the installation position 120 around the axial direction of the connecting rod 31, the cover frame 12 is respectively provided with support plates 121 at the two axial ends of the connecting rod 31, the two support plates 121 are positioned on the two sides of the width direction of the paper feeding channel, the two support plates 121 are provided with installation grooves 122 in the installation position 120 in a penetrating manner along the axial direction of the connecting rod 31, so that the two support plates 121 are respectively provided.
The cover frame 12 is provided with four mounting posts 127 between two support plates 121, two mounting posts 127 are close to the support plate 121 on one side, the cover frame 12 is provided with two penetrating openings 123 through the end surface towards the base 2, the two penetrating openings 123 are respectively located at the outer sides of the mounting grooves 122 of the support plates 121, the cover frame 12 is provided with a positioning groove 1231 on one side of the penetrating openings 123 towards the base 2, the positioning groove 1231 is provided with an inner concave arc bottom wall, and the penetrating openings 123 penetrate through the arc bottom wall.
The sliding groove 124 is located in the middle of the mounting portion 120 and is communicated with the mounting portion 120, the sliding groove 124 extends through the connecting rod 31 in the radial direction, the sliding groove 124 has an opening at the upper part, the sliding groove 124 is provided with groove walls at two sides, the groove walls are provided with guide strips 125, positioning pillars 126 are arranged between the two side walls, and the guide strips 125 and the positioning pillars 126 extend through the connecting rod 31 in the radial direction.
The two locking members 33 are respectively located at the axial ends of the connecting rod 31 and are in driving connection with the connecting rod 31, and the rotating member 32 is located between the two locking members 33 and is in driving connection with the connecting rod 31, and the driving connection can adopt a driving structure with a D-shaped section or a conventional rotating driving structure with a plane structure and the like. The locking member 33 is provided with a protrusion 331 and a connection protrusion 333 extending in a radial direction of the connecting rod 31, the hook 332 is provided at a free end of the protrusion 331, an installation position lock 334 is formed between the protrusion 331 and the connection protrusion 333, the rotary member 32 is provided with a positioning block 321 at an end facing the button 34, the positioning block 321 extends in the radial direction of the connecting rod 31, and a slope is provided at a free end of the positioning block 321.
When the connecting rod 31, the two locking members 33 and the rotating member 32 are mounted on the mounting position 120, the mounting position 334 of one locking member 33 is located to be matched with the mounting groove 122 of one side support plate 121, the connecting projection 333 is located to be on the inner side of the same side support plate 121, the extending projection 331 is located to be on the outer side of the same side support plate 121, the connecting projection 333 is provided with a connecting hole, the extending projection 331 penetrates through the through hole 123, the hook portion 332 is located to be located to.
The button 34 has a hollow groove in the middle (see fig. 6), the button 34 is provided with positioning grooves 342 at both outer sides of the hollow groove, the button 34 is provided with an annular positioning step at the outer end portion, the button 34 is provided with a slope 341 at one end facing the rotary member 32, the button 34 is slidably disposed in the sliding groove 124, the positioning grooves 342 are slidably fitted with the guide bars 125, the reset member 35 is a spring, one end of the reset member 35 is disposed in the hollow groove of the button 34, and the other end of the reset member 35 is disposed to be sleeved outside the positioning post 126, so that the reset member 35 is elastically abutted between the button 34 and the cover frame 12. The button 34 abuts on the rotary member 32, and through the cooperation of the inclined surface 341 and the inclined surface of the positioning block 321, the rotary member 32 can be driven to rotate around the connecting rod 31 along with the movement of the button 34, so as to drive the connecting rod 31 and the two locking members 33 to rotate in the mounting groove 122, the protruding lug 331 rotates in the through opening 123, and the hook 332 rotates in the positioning groove 1231.
The elastic piece 36 is a spring, one elastic piece 36 is connected with one connecting lug 333, the first end of the spring is connected with a connecting hole of the connecting lug 333, the second end of the spring is sleeved outside the mounting column 127, the handheld thermal printer comprises a circuit board 13, the circuit board 13 is fixedly mounted on the four mounting columns 127, the circuit board 13 penetrates through the circuit board 13 through a screw pair to be connected with the mounting columns 127, and the second end of the spring is covered and fixed through the circuit board.
The handheld thermal printer further comprises a paper cutter 14, the fixed end of the paper cutter 14 is fixedly connected with the cover frame 12, a cutter edge 141 of the paper cutter 14 is located at the paper outlet 104, the cutter edge 141 is arranged in a zigzag manner, the paper cutter 14 is provided with an avoiding opening 142 in the middle, the outer cover shell 11 is provided with an operation opening 111 in the middle of the front side in a penetrating manner, the operation opening 111 is above the paper outlet 104 and located on the same side as the paper outlet 104, and the avoiding opening 142 is communicated between the operation opening 111 and the chute 124. The outer cover shell 11 is covered outside the cover frame 12, a device accommodating cavity is enclosed between the outer cover shell 11 and the cover frame 12, the connecting rod 31, the two locking pieces 33, the rotating piece 32 and the button 34 are arranged in the device accommodating cavity, the outer end part of the button 34 penetrates through the avoiding opening 142 and the operation opening 111, and the positioning step of the button 34 is in clearance fit with the peripheral wall of the operation opening 111 of the outer cover shell 11 at the inner side.
The base 2 comprises an outer bottom shell 21 and a bottom frame 22, the bottom frame 22 is provided with a mounting groove, the rubber roller 102 is rotatably mounted in the mounting groove, one axial end of the rubber roller 102 is provided with a driving gear 105, the driving gear 105 is connected with a transmission gear set and a motor, and the driving gear 105, the transmission gear set and the motor are indicated by dotted lines in fig. 7 and 9. The bottom frame 22 is provided with locking groove 23 respectively at rubber roll 102's axial both ends, and locking groove 23 has the curved outer wall of evagination, and the arc outer wall of locking groove 23 closes back clearance fit with the arc diapire of positioning groove 1231 at the lid, and locking groove 23 runs through and is provided with the fore shaft.
Referring to fig. 6 and 7, fig. 6 and 7 are cross-sectional views in a locked state, that is, in a state where the cover is closed, the heat-sensitive sheet 101 and the rubber roller 102 are close to the paper output port 103, the operation opening 111 is located above the paper output port 104, the operation opening 111 is located on the same side as the paper output port 104, the heat-sensitive sheet 101 is located below the button 34, the link 31, and the rotary member 32, two pressure springs 106 are provided above the heat-sensitive sheet 101, the pressure springs 106 abut between the cover frame 12 and the heat-sensitive sheet 101, and the two pressure springs 106 are located between the rotary member 32. After the protrusion 331 passes through the opening 123 and the locking opening, the hook 332 is engaged with the locking groove 23.
Referring to fig. 8 and 9, when the door needs to be unlocked, the button 34 is pressed on the front side of the lid, and then the rotation of the rotary member 32 is pushed, and then the link 31, the locking member 33 and the hook 332 are driven to rotate, so that the hook 332 is separated from the locking groove 23, and the lid 2 can be opened. After the cover body 2 is closed, the elastic restoring force of the elastic piece 36 drives the restoring rotation of the locking piece 33, and the hook part 332 is engaged with the locking groove 23, and the elastic force of the restoring piece 35 drives the button 34 to be restored outwards.
Referring to fig. 10 in combination with fig. 5, a connection and matching structure between the outer cover shell 11 and the cover frame 12 is described below, where the cover frame 12 is provided with a first mounting step 1291 at an edge position of the frame, the first mounting step 1291 is opened outward, the first mounting step 1291 is provided with a plurality of first clamping portions 1292, in this embodiment, four first clamping portions 1292 are provided, two first clamping portions 1292 are provided on one axial side of the connecting rod 31, and certainly, more than four first clamping portions may also be provided. The first clamping portion 1292 is a clamping groove, the clamping groove is a trapezoidal groove or a dovetail groove, the clamping groove has an upward opening, the width of the outer end of the clamping groove is smaller than the width of the inner end of the clamping groove, the cover frame 12 is provided with four positioning columns 128 on the inner side of the first mounting step 1291, and the positioning columns 128 are provided with positioning holes in a penetrating manner.
After the outer cover shell 11 is covered and covered outside the cover frame 12, a screw passes through a positioning hole of the positioning column 128 and is fixedly connected with the fixing column 114, the second mounting step 115 is positioned at the outer side of the first mounting step 1291, the side wall of the outer cover shell 11 surrounds the frame edge of the cover frame 12, the first mounting step 1291 is in clearance fit with the second mounting step 115, the first clamping portion 1292 is clamped with the second clamping portion 116, and the edge strength of the side wall 113 of the outer cover shell 11 is enhanced through clamping fit fixation.
Of course, the first clamping portion 1292 of the cover frame 12 can be a clamping block, and the second clamping portion 116 of the outer cover shell 11 can be a clamping groove, which can also achieve the strengthening purpose.
Referring to fig. 11 and 12, a connection and engagement structure between the outer bottom case 21 and the bottom frame 22 is described below, the bottom frame is provided with a first installation step 222 at a frame edge position, the first installation step 222 is arranged outwards, the first installation step 222 is provided with a plurality of first clamping portions 223, the plurality of first clamping portions 223 are distributed around, the first clamping portions 223 are clamping grooves, the clamping grooves have openings facing each other, the clamping grooves are arranged in a trapezoidal groove or a dovetail groove, and the width of the outer ends of the clamping grooves is smaller than the width of the inner ends of the clamping grooves. The bottom frame 22 is provided with positioning holes 221 at the inner side of the first mounting step 222.
Of course, the first locking portion 223 of the bottom frame 22 can be a locking block, the second locking portion 215 of the outer bottom case 21 can be a locking groove, and in other models, the design concept of the sidewall structure of the present disclosure can also be applied, for example, the rubber roller 102 is disposed on the cover 1, and the heat sensitive sheet 101 is disposed on the base or the bottom frame 22 of the base, so that the same purpose can be achieved
The above-mentioned solution is only a preferred embodiment of the present invention, and besides this embodiment, the present invention can also be configured according to the main inventive concept of the present invention, for example, the elastic member can also be connected with the connecting rotating member, or the elastic member adopts a torsion spring, and elastically abuts against the locking member or the rotating member, which can provide the pressing force and the returning force, and the inventive concept of this solution is also suitable for the thermal printer of portable type without paper bin.
It is from top to bottom visible, through setting up together pivoted connecting rod, two hasp pieces and rotating member to and in the top of exit slot and with setting up operation opening and spout with one side, the removal of button drives the rotation of rotating member, then drives the rotation of hasp piece and can realize the unblock, and utilizes the elastic component to keep the locking of hasp piece and locking groove, and the button operation of front side exit slot can make things convenient for miniature handheld thermal printer's the operation of uncapping.
And, based on the same intensification conception of lid and base, through setting up first installation step and first card portion at the underframe frame, and set up second installation step and second card portion at the outer drain pan, close at the underframe frame back at outer drain pan lid, first installation step and second installation step clearance fit, first card portion and second card portion block, thereby the lateral wall that utilizes outer drain pan is connected with the underframe frame block, prevent that the outer wall of outer drain pan from warping, and no longer need the strengthening rib, improve handheld thermal printer's whole impression.
Claims (10)
1. A handheld thermal printer with a cover body with a cover opened at the front side comprises a cover body, a base, a thermal sensitive sheet, a rubber roller and a locking assembly, wherein the thermal sensitive sheet is arranged on the cover body, the rubber roller is rotatably arranged on the base, the cover body is hinged with the base, a paper outlet is formed between the cover body and the base, the thermal sensitive sheet and the rubber roller are opposite to each other and form a paper feeding channel, and the paper feeding channel is communicated with the paper outlet;
the method is characterized in that:
the base is provided with locking grooves at two axial ends of the rubber roller respectively, the locking assembly is arranged on the cover body, the cover body is provided with an installation position and a sliding groove, the sliding groove is communicated with the installation position, the sliding groove is provided with an operation opening above the paper outlet, and the operation opening and the paper outlet are positioned on the same side;
the locking assembly comprises a connecting rod, two locking fasteners, an elastic piece, a rotating piece and a button, the connecting rod is rotationally arranged around the axial direction of the connecting rod in the installation position, the two locking fasteners are respectively located at the axial end of the connecting rod and are in driving connection with the connecting rod, the rotating piece is located between the two locking fasteners and is in driving connection with the connecting rod, each locking fastener is provided with a hook portion, the elastic piece abuts against the corresponding locking fastener and the cover body, the button is slidably arranged in the sliding groove, the button is abutted against the rotating piece and can drive the rotating piece to rotate around the connecting rod, and the hook portions are clamped with the locking grooves.
2. The handheld thermal printer of claim 1, wherein:
the lid includes outer cover shell and lid frame, the installation position with the spout sets up on the lid frame, the operation opening sets up with running through on the outer cover shell, the operation opening with the spout intercommunication, outer cover shell lid closes outside the lid frame, the outer cover shell with enclose into the device between the lid frame and hold the chamber, connecting rod, two the hasp piece the rotating member with the button sets up in the device holds the chamber.
3. The handheld thermal printer of claim 2, wherein:
the locking assembly further includes a reset member that abuts between the button and the cover frame.
4. The handheld thermal printer of claim 2, wherein:
the handheld thermal printer further comprises a paper cutter, the paper cutter is fixedly connected with the cover frame, a cutter edge of the paper cutter is located at the paper outlet, the paper cutter is provided with a dodging opening, and the dodging opening is communicated with the operation opening and the sliding grooves.
5. The handheld thermal printer of claim 2, wherein:
the cover frame is provided with a through hole in a penetrating mode on the end face facing the base, the lock catch piece is provided with a protruding block, the hook portion is arranged on the free end of the protruding block, and the protruding block penetrates through the through hole.
6. The handheld thermal printer of claim 2, wherein:
the cover frame is provided with support plates at two axial ends of the connecting rod respectively, the two support plates are provided with mounting grooves in the mounting positions in a penetrating manner along the axial direction of the connecting rod, and a locking piece is rotatably mounted at one support plate;
the hasp piece is provided with and stretches out lug and connection lug, hook portion sets up stretch out on the free end of lug, stretch out the lug with form the installation screens between the connection lug, the installation screens be located with the mounting groove cooperation, stretch out the lug with connection lug is located respectively on the both sides of backup pad.
7. The handheld thermal printer of claim 6, wherein:
the elastic member is connected between the connection protrusion and the cover frame.
8. The handheld thermal printer of claim 6, wherein:
the elastic piece adopts a spring, and the first end of the spring is connected with the connecting lug;
the handheld thermal printer comprises a circuit board, the cover frame is provided with a mounting column, the second end of the spring is sleeved outside the mounting column, and the circuit board is fixedly mounted on the mounting column.
9. The handheld thermal printer according to any one of claims 1 to 8, wherein:
the rotating piece is provided with a positioning block at one end facing the button, and the positioning block extends into the sliding groove.
10. The hand-held thermal printer of claim 9, wherein:
the button is provided with a first inclined plane at one end facing the rotating piece, the positioning block is provided with a second inclined plane at one end facing the button, and the first inclined plane is adjacent to the second inclined plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010404850.3A CN111452510B (en) | 2020-05-13 | 2020-05-13 | Handheld thermal printer with cover body capable of being opened at front side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010404850.3A CN111452510B (en) | 2020-05-13 | 2020-05-13 | Handheld thermal printer with cover body capable of being opened at front side |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111452510A true CN111452510A (en) | 2020-07-28 |
| CN111452510B CN111452510B (en) | 2024-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010404850.3A Active CN111452510B (en) | 2020-05-13 | 2020-05-13 | Handheld thermal printer with cover body capable of being opened at front side |
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| CN (1) | CN111452510B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008006675A (en) * | 2006-06-29 | 2008-01-17 | Toshiba Tec Corp | Thermal printer |
| KR20120122505A (en) * | 2011-04-29 | 2012-11-07 | 주식회사 신흥정밀 | Opening and closing apparatus of cover frame for thermal printer |
| CN207901891U (en) * | 2018-02-13 | 2018-09-25 | 珠海智汇网络设备有限公司 | A kind of Portable label printer |
| CN209999884U (en) * | 2019-04-30 | 2020-01-31 | 珠海智汇网络设备有限公司 | embedded thermal printer and thermal printing equipment for preventing mistaken opening |
| CN212604075U (en) * | 2020-05-13 | 2021-02-26 | 珠海浩盛标签打印机有限公司 | Handheld thermal printer with cover body opened at front side |
-
2020
- 2020-05-13 CN CN202010404850.3A patent/CN111452510B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008006675A (en) * | 2006-06-29 | 2008-01-17 | Toshiba Tec Corp | Thermal printer |
| KR20120122505A (en) * | 2011-04-29 | 2012-11-07 | 주식회사 신흥정밀 | Opening and closing apparatus of cover frame for thermal printer |
| CN207901891U (en) * | 2018-02-13 | 2018-09-25 | 珠海智汇网络设备有限公司 | A kind of Portable label printer |
| CN209999884U (en) * | 2019-04-30 | 2020-01-31 | 珠海智汇网络设备有限公司 | embedded thermal printer and thermal printing equipment for preventing mistaken opening |
| CN212604075U (en) * | 2020-05-13 | 2021-02-26 | 珠海浩盛标签打印机有限公司 | Handheld thermal printer with cover body opened at front side |
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| Publication number | Publication date |
|---|---|
| CN111452510B (en) | 2024-08-30 |
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