CN212827432U - Prevent handheld thermal printer of outer wall deformation - Google Patents
Prevent handheld thermal printer of outer wall deformation Download PDFInfo
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- CN212827432U CN212827432U CN202020793113.2U CN202020793113U CN212827432U CN 212827432 U CN212827432 U CN 212827432U CN 202020793113 U CN202020793113 U CN 202020793113U CN 212827432 U CN212827432 U CN 212827432U
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Abstract
The utility model provides a prevent handheld thermal printer of outer wall deformation, including the heat-sensitive piece, the rubber roll, lid and base, the lid includes outer cover shell and lid frame, lid frame and base are articulated, heat-sensitive piece and rubber roll are relative and form the paper feed passageway, form the exit slot between lid and the base, paper feed passageway and exit slot intercommunication, the lid frame is provided with first installation step in frame border position department, first installation step department is provided with first card portion, the outer cover shell is provided with second installation step in lateral wall border position department, second installation step department is provided with second card portion, outer cover shell lid closes outside the lid frame and with lid frame attach, first installation step and second installation step clearance fit, first card portion and second card portion block. Thereby utilize the lateral wall and the lid frame block of outer cover shell to be connected, prevent that the outer wall of outer cover shell from warping, and no longer need the strengthening rib, improve handheld thermal printer's whole impression.
Description
Technical Field
The utility model relates to a thermal printing field especially relates to a prevent handheld thermal printer of outer wall deformation.
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.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prevent handheld thermal printer of outer wall deformation.
In order to realize the purpose of the utility model, the utility model provides a hand-held thermal printer which can prevent the deformation of the outer wall, comprising a thermal sensitive sheet and a rubber roller, lid and base, the lid includes outer cover shell and lid frame, one setting in temperature sensing piece and the rubber roll is on the lid frame, another setting in temperature sensing piece and the rubber roll is on the base, lid frame and base are articulated, temperature sensing piece and rubber roll are relative and form the paper feed passageway, form the exit slot between lid and the base, the paper feed passageway communicates with the exit slot, the lid frame is provided with first installation step in frame border position department, first installation step department is provided with first card portion, the outer cover shell is provided with second installation step in lateral wall border position department, second installation step department is provided with second card portion, outer cover shell lid closes outside the lid frame and with lid frame attach, first installation step and second installation step clearance fit, first card portion and second card portion block.
It is obvious by above-mentioned scheme, through setting up first installation step and first card portion at the lid frame to and set up second installation step and second card portion at the lid shell, close at the lid frame back at the lid shell lid, first installation step and second installation step clearance fit, first card portion and second card portion block, thereby utilize the lateral wall and the lid frame block of lid shell to be connected, prevent that the outer wall of lid shell from warping, and no longer need the strengthening rib, improve handheld thermal printer's whole impression.
In a further scheme, the first clamping part is a clamping groove, and the second clamping part is a clamping block; or the first clamping part is a clamping block, and the second clamping part is a clamping groove.
The further scheme is that the clamping groove is in a trapezoidal groove arrangement, the clamping block is in a trapezoidal block arrangement, and the width of the outer end of the clamping groove is smaller than that of the inner end of the clamping groove.
In a further embodiment, the second mounting step is located outside the first mounting step, and the side wall of the outer cover shell surrounds the frame edge of the cover frame.
It is from top to bottom visible, through the cooperation of draw-in groove and fixture block to and be the draw-in groove and the fixture block of trapezoidal setting, surround with the lid frame at the outer lid shell and be connected the back, can prevent that the lateral wall of outer lid shell from warping up outward and warping.
Still further scheme is, outer cover shell includes roof and lateral wall, and the periphery at the roof is connected to the lateral wall, and the lateral wall is the straight face setting.
From top to bottom, through the setting of the lateral wall cooperation second card portion of flat face, can need not set up the strengthening rib strip to improve the roughness, improve outward appearance integrality.
In order to realize the purpose of the utility model, the utility model provides a hand-held thermal printer which can prevent the deformation of the outer wall, comprising a thermal sensitive sheet and a rubber roller, lid and base, the base includes outer drain pan and underframe frame, one setting in temperature sensing piece and the rubber roll is on the lid, another setting in temperature sensing piece and the rubber roll is on the underframe frame, lid and underframe frame are articulated, temperature sensing piece and rubber roll are relative and form the paper feed passageway, form the exit slot between lid and the base, paper feed passageway and exit slot intercommunication, the underframe frame is provided with first installation step in frame border position department, first installation step department is provided with first card portion, outer drain pan shell is provided with second installation step in lateral wall border position department, second installation step department is provided with second card portion, outer drain pan lid closes outside the underframe frame and is connected with the underframe frame, first installation step and second installation step clearance fit, first card portion and second card portion block.
In a further scheme, the first clamping part is a clamping groove, and the second clamping part is a clamping block; or the first clamping part is a clamping block, and the second clamping part is a clamping groove.
The further scheme is that the clamping groove is in a trapezoidal groove arrangement, the clamping block is in a trapezoidal block arrangement, and the width of the outer end of the clamping groove is smaller than that of the inner end of the clamping groove.
In a further aspect, the second mounting step is located outside the first mounting step, and the side wall of the outer bottom casing surrounds the frame edge of the bottom frame.
In a further aspect, the outer bottom casing includes a bottom wall and a side wall, the side wall is connected to the periphery of the bottom wall, and the side wall is disposed in a straight plane.
It is from top to bottom visible, the same utility model based on the lid design thinks about, 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, the drain pan lid closes behind the underframe frame outward, 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.
Drawings
FIG. 1 is a block diagram of an embodiment of a handheld thermal printer according to the present invention.
Fig. 2 is a structural diagram of the handheld thermal printer according to the embodiment of the present invention after the cover is opened.
Fig. 3 is an exploded view of an embodiment of the handheld thermal printer of the present invention at the cover.
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 a cover frame in an embodiment of a handheld thermal printer according to the present invention.
Fig. 6 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 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 the 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 the embodiment of the handheld thermal printer of the present invention at the position of the locking member in the unlocked state.
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 of the handheld thermal printer embodiment of the present invention at the base.
FIG. 12 is a block diagram of an outer bottom shell in an embodiment of the handheld thermal printer of the present invention.
The present invention will be further explained with reference to the drawings and examples.
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 covers 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 located 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 and the second clamping portion 116 are clamped, 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
Above-mentioned scheme is only the utility model discloses a preferred embodiment, outside this embodiment, still can be according to the utility model discloses a main utility model conceives and carries out structural configuration, can also be connected with the connection rotating member if the elastic component, or the elastic component adopts the torsional spring, with hasp piece or rotating member elasticity butt, it homoenergetic and the pressure power of holding and reset can be provided to it, and the utility model of this scheme conceives the thermal printer that is suitable for the portable type in no paper storehouse also.
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 capable of preventing outer wall deformation comprises a thermal sensitive sheet, a rubber roller, a cover body and a base, wherein the cover body comprises an outer cover shell and a cover frame, one of the thermal sensitive sheet and the rubber roller is arranged on the cover frame, the other of the thermal sensitive sheet and the rubber roller is arranged on the base, the cover frame is hinged to the base, the thermal sensitive sheet and the rubber roller are opposite to each other and form a paper feeding channel, a paper outlet is formed between the cover body and the base, and the paper feeding channel is communicated with the paper outlet;
the method is characterized in that:
the utility model discloses a lid frame, including lid frame, first installation step, second installation step, lid frame is provided with first installation step in frame border position department, first installation step department is provided with first card portion, the outer lid shell is provided with second installation step in lateral wall border position department, second installation step department is provided with second card portion, the outer lid shell lid closes outside the lid frame and with lid frame attach, first installation step with second installation step clearance fit, first card portion and second card portion block.
2. The handheld thermal printer of claim 1, wherein:
the first clamping part is a clamping groove, and the second clamping part is a clamping block;
or, the first clamping part is a clamping block, and the second clamping part is a clamping groove.
3. The handheld thermal printer of claim 2, wherein:
the clamping groove is in a trapezoidal groove shape, the clamping block is in a trapezoidal block shape, and the width of the outer end of the clamping groove is smaller than that of the inner end of the clamping groove.
4. The hand-held thermal printer according to any one of claims 1 to 3, wherein:
the second mounting step is located outside the first mounting step, and the side wall of the outer cover case is enclosed outside the frame edge of the cover frame.
5. The hand-held thermal printer according to any one of claims 1 to 3, wherein:
the outer cover shell comprises a top wall and a side wall, the side wall is connected to the periphery of the top wall, and the side wall is arranged in a straight surface mode.
6. A handheld thermal printer capable of preventing outer wall deformation comprises a thermal sensitive sheet, a rubber roller, a cover body and a base, wherein the base comprises an outer bottom shell and a bottom frame, one of the thermal sensitive sheet and the rubber roller is arranged on the cover body, the other of the thermal sensitive sheet and the rubber roller is arranged on the bottom frame, the cover body is hinged to the bottom frame, the thermal sensitive sheet and the rubber roller are opposite to each other and form a paper feeding channel, a paper outlet is formed between the cover body and the base, and the paper feeding channel is communicated with the paper outlet;
the method is characterized in that:
the underframe is provided with first installation step in frame border position department, first installation step department is provided with first card portion, outer drain pan is provided with second installation step in lateral wall border position department, second installation step department is provided with second card portion, outer drain pan lid closes the underframe frame outer and with the underframe frame is connected, first installation step with second installation step clearance fit, first card portion and second card portion block.
7. The handheld thermal printer of claim 6, wherein:
the first clamping part is a clamping groove, and the second clamping part is a clamping block;
or, the first clamping part is a clamping block, and the second clamping part is a clamping groove.
8. The handheld thermal printer of claim 7, wherein:
the clamping groove is in a trapezoidal groove shape, the clamping block is in a trapezoidal block shape, and the width of the outer end of the clamping groove is smaller than that of the inner end of the clamping groove.
9. The hand-held thermal printer according to any one of claims 6 to 8, wherein:
the second mounting step is positioned at the outer side of the first mounting step, and the side wall of the outer bottom shell surrounds the frame edge of the bottom frame.
10. The hand-held thermal printer according to any one of claims 6 to 8, wherein:
the outer bottom shell comprises a bottom wall and a side wall, the side wall is connected to the periphery of the bottom wall, and the side wall is arranged in a straight plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020793113.2U CN212827432U (en) | 2020-05-13 | 2020-05-13 | Prevent handheld thermal printer of outer wall deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020793113.2U CN212827432U (en) | 2020-05-13 | 2020-05-13 | Prevent handheld thermal printer of outer wall deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212827432U true CN212827432U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020793113.2U Active CN212827432U (en) | 2020-05-13 | 2020-05-13 | Prevent handheld thermal printer of outer wall deformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212827432U (en) |
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2020
- 2020-05-13 CN CN202020793113.2U patent/CN212827432U/en active Active
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