CN214188955U

CN214188955U - Portable thermal printer with high protection performance through electric connection

Info

Publication number: CN214188955U
Application number: CN202022809130.3U
Authority: CN
Inventors: 胡琳; 刘鹏; 周颖; 欧洋明
Original assignee: Zhuhai Howbest Label Printer Co ltd
Current assignee: Zhuhai Howbest Label Printer Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-09-14
Anticipated expiration: 2030-11-27

Abstract

The utility model provides a high protective portable thermal printer of electricity connection, the base of printer is provided with the battery compartment in the bottom surface side that backs to the positive side, the battery compartment is provided with first cooperation bottom surface in the positive side, be provided with first electric touch component on the first cooperation bottom surface, battery module sets up at the battery compartment, battery module includes battery shell, electric core and second electric touch component, the electric core sets up in the battery shell, the battery shell has the battery cover in the bottom surface side, the battery shell has second cooperation bottom surface in the positive side, the second electric touch component sets up on second cooperation bottom surface and is connected with the electric core; first cooperation bottom surface is relative with second cooperation bottom surface, and first electricity touches the subassembly to be connected with the second electricity, and the sealing washer interference fit ground is connected between first cooperation bottom surface and second cooperation bottom surface, and the sealing washer is located the periphery that first electricity touched the subassembly. Utilize two electricity to touch the subassembly and realize the electricity and connect, close through the lid of the sealed and battery cover of sealing washer interference fit, realize high-efficient waterproof dustproof then.

Description

Portable thermal printer with high protection performance through electric connection

Technical Field

The utility model relates to a thermal printing field especially relates to a high protectiveness's portable thermal printer is connected to electricity.

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 commercial fields.

Portable thermal printers are widely used outdoors, and therefore, it is necessary to provide comprehensive improvement requirements for portability, waterproofness, dustproofness, stability, and convenience of use of the printers in order to match stable use in different environments.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a portable thermal printer of high protectiveness is connected to battery electricity.

In order to realize the purpose of the utility model, the utility model provides a high protective portable thermal printer of electricity connection, including base, lid, rubber roll and heat-sensitive piece, the base is provided with the paper storehouse, the lid articulates in the base and covers the paper storehouse, the lid can rotate towards the front side and open, form the exit slot between lid and the base, the exit slot is towards the front side, one of heat-sensitive piece and rubber roll sets up on the base, another one of heat-sensitive piece and rubber roll sets up on the lid, heat-sensitive piece and rubber roll are relative and form the paper feed passageway, the paper feed passageway communicates between exit slot and paper storehouse; the base is provided with a bottom wall on the bottom surface side opposite to the front surface side, the bottom wall is provided with a battery bin, a battery assembly opening is formed in the battery bin towards the bottom surface side, a first matching bottom surface is arranged on the front surface side of the battery bin, and a first electric contact assembly is arranged on the first matching bottom surface; the portable thermal printer further comprises a battery module and a sealing ring, the battery module is arranged in the battery bin, the battery module comprises a battery shell, a battery core and a second electric contact assembly, the battery core is arranged in the battery shell, the battery shell is provided with a battery cover at the bottom side, the battery shell is provided with a second matching bottom surface at the front side, and the second electric contact assembly is arranged on the second matching bottom surface and is connected with the battery core; the first cooperation bottom surface is relative with the second cooperation bottom surface, and the subassembly is touched to first electricity and the second electricity is touched the subassembly electricity and is connected, and the sealing washer interference fit ground is connected between first cooperation bottom surface and second cooperation bottom surface, and the sealing washer is located the periphery that the subassembly was touched to first electricity, and battery cover lid closes the battery assembly mouth.

The scheme that still further is, first cooperation bottom surface is provided with the constant head tank, and first electric touch components is located the constant head tank middle part, and the sealing washer sets up in the constant head tank.

In a further aspect, the first bottom mating surface has a connection port extending therethrough, and the first electrical contact assembly includes an electrical contact pin that is connected to the second electrical contact assembly through the connection port.

In a further aspect, the second mating bottom surface is provided with a positioning hole, the second electrical contact assembly includes an electrical contact located in the positioning hole, and the electrical contact passes through the positioning hole to be connected with the electrical contact.

A matching ring groove is formed in the second matching bottom surface, the matching ring groove is located on the periphery of the second electric contact assembly, and the sealing ring extends into the matching ring groove.

The battery shell is provided with a first matching side wall between the battery cover and the second matching side wall, and the first matching side wall is in clearance fit with the second matching side wall.

According to a further scheme, the first matching side wall is provided with a clamping groove, the second matching side wall is provided with a buckle, and the buckle is clamped with the clamping groove.

Still further, the battery module is located the base and is based on the upside of vertical direction, and the paper storehouse is located the base and is based on the downside of vertical direction.

In a further aspect, the portable thermal printer further comprises a belt clip disposed on the bottom wall.

Still further, the diapire is provided with the electric contact that charges and the constant head tank that charges, and the constant head tank that charges is located the lateral part of the electric contact that charges.

The beneficial effects of the utility model are that, through the first cooperation bottom surface and the second cooperation bottom surface of the relative setting of the front side in the inboard, utilize first electricity to touch the subassembly and touch the subassembly with the second electricity and realize the electricity and be connected, close through the lid of sealing washer interference fit and battery cover, realize high-efficient waterproof dustproof then, in addition, utilize constant head tank, cooperation annular to fix a position and the centre gripping to the sealing washer to improve waterproof performance further. And through the upper and lower staggered arrangement of battery module and paper storehouse, can improve the arrangement space in order to hold the printing scroll of bigger capacity in the paper storehouse to cooperation waistband clip can realize conveniently carrying and using.

Drawings

Fig. 1 is a front side view of an embodiment of the portable thermal printer according to the present invention.

Fig. 2 is a structural view of an embodiment of the portable thermal printer according to the present invention on the bottom surface side.

Fig. 3 is an exploded view of an embodiment of the portable thermal printer of the present invention on the bottom side.

Fig. 4 is a structural diagram of a battery module in an embodiment of the portable thermal printer according to the present invention.

Fig. 5 is a block diagram of an embodiment of the portable thermal printer according to the present invention, with a middle frame omitted.

Fig. 6 is a structural view of an embodiment of the portable thermal printer according to the present invention, with the middle frame and the mounting bracket omitted.

Fig. 7 is a structural view of the portable thermal printer according to the embodiment of the present invention after the cover is opened.

Fig. 8 is a view showing a structure of the portable thermal printer according to another view angle after the cover is opened.

Fig. 9 is a cross-sectional view of an embodiment of the portable thermal printer of the present invention taken along the vertical direction.

Fig. 10 is a cross-sectional view of an embodiment of the portable thermal printer of the present invention at the lid opener.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

Referring to fig. 1 to 10, the portable thermal printer includes a base, a cover 11, a rubber roller 15 and a thermal sheet 14, the base includes a mounting bracket 17, a middle frame 12 and a bottom case 13, the middle frame 12 is provided with a paper bin 121, the cover 11 is hinged to the middle frame 12 and covers the paper bin 121, the cover 11 can be opened by rotating towards the front side, a paper outlet 111 is formed between the cover 11 and the base, the paper outlet 111 faces the horizontal front side, the thermal sheet 14 is arranged on the base, the rubber roller 15 is rotatably arranged on the cover 11, the thermal sheet 14 and the rubber roller 15 are opposite and form a paper feeding channel, and the paper feeding channel is communicated between the paper outlet 111 and the paper bin 121.

Bottom case 13 covers middle frame 12 at the bottom surface side that the horizontal front side was carried on the back mutually, and the diapire of bottom case 13 is provided with draw-in groove 136, and draw-in groove 136 is provided with extending groove 137 in the upside intercommunication of vertical direction, and draw-in groove 136 and extending groove 137 all extend along vertical direction, and the diapire is provided with battery compartment 131, and battery compartment 131 is provided with the battery assembly mouth towards the bottom surface side, and draw-in groove 136 is provided with the loading mouth in the lower side, and the loading mouth communicates with battery compartment 131. The catch groove 136 is located on the upper side of the base in the vertical direction, and the paper bin 121 is located on the lower side of the base in the vertical direction. The middle frame 12 is provided with an operation panel 16 on the front side, and the operation panel 16 is located on the upper side of the paper discharge port 111 with respect to the vertical direction.

The portable thermal printer further comprises a waistband clip 23, a clamping block 233 and a connecting column 234 are arranged on the waistband clip 23, the connecting column 234 is connected between the waistband clip 23 and the clamping block 233, the clamping block 233 is provided with a spherical outer wall, the diameter of the connecting column 234 is smaller than that of the clamping block 233, the clamping block 233 can be installed into the clamping groove 136 from an installation opening, the clamping block 233 is in limit fit with the clamping groove 136, and the spherical outer wall is in sliding fit with the inner wall of the clamping groove 136. The belt clip 23 is formed with a U-shaped groove having an opening, the latch 233 is located on a side close to the opening, and the belt clip 23 is provided with a through groove 232 penetrating the U-shaped groove.

Under the rotation of the printer, the connection post 234 can enter the extension groove 137, so that after the belt clip 23 is hung on the waist of a user, the portable thermal printer can freely rotate in a large range, and the printer can rotate to a horizontal position, thereby facilitating the operation and use of the user. And the horizontal bottom surface side is positioned at the side close to the waist or the legs, and the horizontal front surface side is positioned at the horizontally outward side.

The bottom wall of bottom shell 13 is provided with battery compartment 131, battery compartment 131 is provided with the battery assembly mouth towards the bottom surface side, battery compartment 131 is provided with first cooperation bottom surface 132 in the front side, first cooperation bottom surface 132 is provided with constant head tank 217, first electric contact component 241 is located constant head tank 217 middle part, the middle part of first cooperation bottom surface 132 is run through and is provided with connector 218, first electric contact component 241 includes a plurality of electric contact pins side by side, first cooperation bottom surface 132 department is provided with first electric contact component 241, first electric contact component 241 welds on the main control board 24 that sets up in the base, the horizontal front side of exit slot 111 orientation

The sealing ring 22 is disposed in the positioning groove 217, the sealing ring 22 is disposed at the periphery of the first electrical contact assembly 241, the battery module 21 includes a battery housing 211, a battery cell 215 and a second electrical contact assembly 216, the battery cell 215 is disposed in the battery housing 211, the battery housing 211 has a battery cover 212 at the bottom side, the battery housing 211 has a second matching bottom surface at the front side, the second electrical contact assembly 216 is disposed on the second matching bottom surface and connected to the battery cell 215, the second matching bottom surface is provided with a positioning hole 213, the second electrical contact assembly 216 includes a plurality of electrical contacts, and the plurality of electrical contacts are disposed in the positioning hole 213. The second mating bottom surface is provided with a mating ring groove 217, and the mating ring groove 217 is located on the outer periphery of the second electrical contact component 216.

After the battery module 21 is installed in the battery compartment 131, the electrical contact pins pass through the connection ports 218 and the positioning holes 213 to connect with the electrical contact pins, the sealing ring 22 extends into the matching ring groove 217, the first matching bottom surface 132 is opposite to the second matching bottom surface, the sealing ring 22 is connected between the first matching bottom surface 132 and the second matching bottom surface in an interference fit manner, and the battery cover 212 covers the battery assembly port. In addition, the battery compartment 131 is provided with a first mating sidewall at the periphery of the first mating bottom surface 132, and the battery housing 211 is provided with a second mating sidewall between the battery cover 212 and the second mating sidewall, and the first mating sidewall is in clearance fit with the second mating sidewall. And a clamping groove 133 is arranged on the first matching side wall, a buckle 214 is arranged on the second matching side wall, and the buckle 214 is clamped with the clamping groove 133 to realize the clamping installation of the battery module 21.

The battery module 21 is located the base and is based on the upside of vertical direction, and paper storehouse 121 is located the base and is based on the downside of vertical direction, and the diapire is provided with the electric contact 135 that charges and two constant head tanks 134 that charge, and two constant head tanks 134 that charge are located the horizontal lateral part of the electric contact 135 that charges respectively, and the electric contact 135 that charges and two constant head tanks 134 that charge are located the downside of the vertical direction of battery module 21.

The portable thermal printer further comprises an opening cover part 31, a locking part 32 and a first elastic part 33, the mounting bracket 17 is connected with the middle frame 12 at the upper end of the paper bin 121 based on the vertical direction, the mounting bracket 17 comprises a middle connecting wall 176 and two mounting side walls 175, the middle connecting wall 176 is connected between the two mounting side walls 175, the two mounting side walls 175 are respectively located at two ends of the paper bin 121 in the paper width direction, a rubber roller mounting position is formed between the two mounting side walls 175, the rubber roller 15 is located in the rubber roller mounting position, the rubber roller 15 is provided with two axial end parts 151, and one axial end part 151 is located in one mounting groove 171.

The locking member 32 includes a connecting plate 323 and locking arms 321 disposed at both sides of the connecting plate 323, the locking arms 321 are provided with locking grooves 322 at the mounting grooves 171, the locking grooves 322 have locking openings, and the axial end 151 can be locked by the locking grooves 322. The locking member 32 is rotatably hinged on the base through the rotating shaft 34, the main control board 24 is arranged in the middle frame 12, the connecting board 323 is arranged at one side of the main control board 24 close to the horizontal front side, the first elastic member 33 is arranged at one side of the connecting board 323 close to the horizontal front side, the first elastic member 33 is a spring, the spring is arranged along the horizontal direction, the first elastic member 33 is connected between the connecting board 323 and the supporting board 173 of the mounting bracket 17, a positioning column 174 is arranged on the supporting board 173, the connecting board 323 is provided with a positioning groove 217, a first end of the spring is sleeved outside the positioning column 174, and a second end of the spring abuts against the positioning groove 217. Based on the projection in the horizontal direction, the projection of the connecting plate 323 is located in the projection of the main control board 24, the main control board 24 extends in the vertical direction, and the connecting plate 323 and the main control board 24 are arranged in parallel or at an acute included angle.

Two mounting side walls 175 of the mounting bracket 17 are respectively provided with a heat-sensitive sliding groove 172, the heat-sensitive sheet 14 is slidably arranged in the heat-sensitive sliding groove 172 and exerts elastic pressing force towards the rubber roller through a torsion spring, the main control panel 24 is fixedly connected with the mounting bracket 17, and the operation panel is connected with the main control panel 24. And the battery module 21 is located on the side of the main control board 24 near the bottom surface side.

The middle frame 12 includes an inner bottom wall 124, two inner side walls 125 and two outer side walls 126, the inner bottom wall 124 and the two inner side walls 125 are connected and enclose a paper bin 121, the two inner side walls 125 are respectively located at two ends of the paper bin 121 in the paper width direction, the rubber roller 15 is rotatably disposed on the cover body 11, and the cover body 11 is hinged to the middle frame 12 at the lower end of the paper bin 121 based on the vertical direction.

One outer side wall 126 is located on the outer side of one inner side wall 125 in the paper width direction of the paper bin 121, the outer side wall 126 and the inner side wall 125 on the same side are connected, the outer side wall 126 and the inner side wall 125 on one side enclose a chute 122, the chute 122 is provided with an assembly opening, the assembly opening faces to the horizontal bottom side, the bottom case 13 covers the assembly opening, the cover opening part 31 can be installed in the chute 122 from the assembly opening, the chute 122 is located at the end part of the paper width direction of the paper bin 121, the chute 122 extends in the vertical direction, and the cover opening part 31 can be movably arranged in the chute 122 in the vertical direction.

The chute 122 is provided with the operation opening 123 towards the outside, it is provided with drive division 313 and operation portion 312 to open the lid piece 31, operation portion 312 is located operation opening 123 department, operation portion 312 is the arc wall setting, and be evagination upwards, the arc wall passes operation opening 123 outwards from opening the lid piece 31, operation opening 123 is circular opening setting, the periphery of operation opening 123 is provided with curved spacing wall, spacing wall is located the arc wall and is based on the top of vertical direction, when detaining operation portion 312 and removing, spacing wall can with the spacing cooperation of arc wall, and the piece 31 of uncapping covers operation opening 123 in order to prevent that aqueous vapor from getting into. The portable thermal printer further includes a second elastic member 311, the second elastic member 311 is a spring, the spring extends in a vertical direction, the second elastic member 311 elastically abuts between the open cover member 31 and the middle frame 12, and the second elastic member 311 applies a downward elastic force to the open cover member 31.

The latch 32 is provided with a passive portion 324 at one latch arm 321, and the latch 32 is provided with a first engagement limit plate 325 at the passive portion 324, and the passive portion 324 is a passive plate extending in the horizontal direction and connected to the first engagement limit plate 325. The drive part 313 is located and opens the lid piece 31 along the extension tip of vertical direction, be provided with second cooperation limiting plate 314 in drive part 313 department, first cooperation limiting plate 325 and second cooperation limiting plate 314 all extend along vertical direction, the drive part 313 is the drive plate that extends along the horizontal direction, the drive plate is connected under the removal of opening the lid piece 31 vertical direction with second cooperation limiting plate 314, drive part 313 adjoins and drives hasp piece 32 rotation with passive portion 324, and the horizontal side of first cooperation limiting plate 325 and the horizontal side of second cooperation limiting plate 314 adjoin the location, then drive hasp piece and rotate, drive locked groove and axial tip separation afterwards.

The middle connecting wall 176 is located at the upper end of the vertical direction of the inner bottom wall 124, the middle connecting wall 176 is in clearance fit with the inner bottom wall 124, the middle connecting wall 176 is smoothly connected with the inner bottom wall 124 to prevent water vapor from penetrating, the mounting side wall 175 at one side is located at the upper end of the vertical direction of the inner side wall 125 at the same side, the mounting side wall 175 and the inner side wall 125 at the same side are in clearance fit, the water vapor can be prevented from penetrating at the side, the heat-sensitive sheet 14 is located at the upper end of the vertical direction of the middle connecting wall 176, the heat-sensitive sheet 14 is located at one side of the middle connecting wall 176 close to the horizontal front side, and the heat-sensitive sheet 14 is opposite to the rubber roller 15. The middle connecting wall 176 is provided with a paper detecting sensor.

Well frame 12 encloses into in the upper end of the vertical direction of paper storehouse 121 has the electrical apparatus chamber, main control board 24 is fixed to be set up in the electrical apparatus intracavity, the electrical apparatus chamber passes through heat sensitive sheet 14, well even wall 176, two installation lateral walls 175, interior diapire 124 and two inside walls 125 are kept apart with paper storehouse 121, well frame 12 is provided with the device loading mouth in electrical apparatus chamber department, the horizontal bottom surface side that the device loading mouth orientation was carried on the back with the horizontal front surface side mutually, the main control board, installing support and heat sensitive sheet etc. all can be packed into from the device loading mouth, drain pan 13 is located horizontal bottom surface side lid and closes the device loading mouth, in order to realize the seal in electrical apparatus chamber. In addition, a cutter and a water bar 112 are arranged at the paper outlet 111, the water bar 112 is positioned at the outer side of the cutter, and the water bar 112 can shield the paper outlet 111 to a certain extent.

The above embodiments are only preferred embodiments of the present invention, and the orientation description in the above embodiments is only directed to the expression of orientation and structure of the product in a vertical using state of the waist-hook, but of course, the product can also be horizontally placed for use, when the product is horizontally placed for use, the horizontal front side is vertically upward, the horizontal bottom side is vertically downward, the upper and lower sides relative to the vertical direction are horizontal left and right sides, that is, each relationship is correspondingly changed, and based on the key improvements and inventive concepts of the present invention, it belongs to the inventive concept of the present invention.

Claims

1. A portable thermal printer with high protection performance is electrically connected with the printer, and comprises a base, a cover body, a rubber roller and a thermal sheet, wherein the base is provided with a paper bin, the cover body is hinged to the base and covers the paper bin, the cover body can be opened by rotating towards the front side, a paper outlet is formed between the cover body and the base and faces the front side, one of the thermal sheet and the rubber roller is arranged on the base, the other of the thermal sheet and the rubber roller is arranged on the cover body, the thermal sheet and the rubber roller are opposite to each other and form a paper feeding channel, and the paper feeding channel is communicated between the paper outlet and the paper bin;

the method is characterized in that:

the base is provided with a bottom wall on the bottom surface side opposite to the front surface side, the bottom wall is provided with a battery bin, a battery assembly opening is formed in the battery bin towards the bottom surface side, a first matching bottom surface is arranged on the front surface side of the battery bin, and a first electric contact assembly is arranged on the first matching bottom surface;

the portable thermal printer further comprises a battery module and a sealing ring, the battery module is arranged in the battery bin, the battery module comprises a battery shell, a battery core and a second electric contact assembly, the battery core is arranged in the battery shell, the battery shell is provided with a battery cover on the bottom surface side, the battery shell is provided with a second matching bottom surface on the front surface side, and the second electric contact assembly is arranged on the second matching bottom surface and is connected with the battery core;

first cooperation bottom surface with second cooperation bottom surface is relative, first electricity touch the subassembly with the second electricity touches the subassembly electricity and connects, the sealing washer interference fit ground is connected first cooperation bottom surface with between the second cooperation bottom surface, the sealing washer is located the periphery that the subassembly was touched to first electricity, battery cover lid closes battery assembly mouth.

2. The portable thermal printer according to claim 1, wherein:

first cooperation bottom surface is provided with the constant head tank, first electricity touches the subassembly and is located the constant head tank middle part, the sealing washer sets up in the constant head tank.

3. The portable thermal printer according to claim 2, wherein:

the first matching bottom surface is provided with a connecting port in a penetrating mode, the first electric contact component comprises an electric contact pin, and the electric contact pin penetrates through the connecting port to be connected with the second electric contact component.

4. The portable thermal printer according to claim 3, wherein:

the second matching bottom surface is provided with a positioning hole, the second electric contact assembly comprises an electric contact piece, the electric contact piece is positioned in the positioning hole, and the electric contact piece penetrates through the positioning hole to be connected with the electric contact piece.

5. The portable thermal printer according to claim 2, wherein:

the second cooperation bottom surface is provided with the cooperation annular, the cooperation annular is located the periphery of subassembly is touched to the second electricity, the sealing washer stretches into in the cooperation annular.

6. The portable thermal printer according to any one of claims 1 to 5, wherein:

the battery compartment is in the periphery of first cooperation bottom surface is provided with first cooperation lateral wall, battery housing is in the battery cover with be provided with second cooperation lateral wall between the second cooperation lateral wall, first cooperation lateral wall with second cooperation lateral wall clearance fit.

7. The portable thermal printer according to claim 6, wherein:

the first matching side wall is provided with a clamping groove, the second matching side wall is provided with a buckle, and the buckle is clamped with the clamping groove.

8. The portable thermal printer according to any one of claims 1 to 5, wherein:

the battery module is located the base is based on the upside of vertical direction, the paper storehouse is located the base is based on the downside of vertical direction.

9. The portable thermal printer according to any one of claims 1 to 5, wherein:

the portable thermal printer further includes a belt clip disposed on the bottom wall.

10. The portable thermal printer according to any one of claims 1 to 5, wherein:

the diapire is provided with the electric contact that charges and the constant head tank that charges, the constant head tank that charges is located the lateral part of the electric contact that charges.