CN211222586U - Thermal printer with optimized layout of keys and wiring - Google Patents
Thermal printer with optimized layout of keys and wiring Download PDFInfo
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- CN211222586U CN211222586U CN201921818187.0U CN201921818187U CN211222586U CN 211222586 U CN211222586 U CN 211222586U CN 201921818187 U CN201921818187 U CN 201921818187U CN 211222586 U CN211222586 U CN 211222586U
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- 238000005457 optimization Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 13
- 238000007639 printing Methods 0.000 description 8
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- 230000017525 heat dissipation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
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Abstract
The utility model provides a button and wiring optimization layout's thermal printer, including fuselage and main control circuit board, form in the fuselage and hold the chamber, the main control circuit board sets up and is holding the intracavity, be provided with control circuit on the main control circuit board, wherein, thermal printer still includes switch and control button, switch is integrated on main control circuit board, switch is connected with the control circuit electricity, the fuselage is provided with the opening in switch department, switch's operation handle is located the opening, control button is integrated on main control circuit board, control button is connected with the control circuit electricity, the fuselage is provided with the button in control button department, the button borders on with control button's splenium. The thermal printer has the advantages of simple structure and convenience in assembly and maintenance.
Description
Technical Field
The utility model belongs to the technical field of the printer technique and specifically relates to a thermal printer of overall arrangement is optimized with wiring to button.
Background
The conventional thermal printer has various circuit boards, and mainly includes a main control circuit board, a power switch circuit board, a control button circuit board, and the like, wherein the main control circuit board is mainly used for coordinating and controlling actions among functional components, so that the main control circuit board is electrically connected with functional components such as a sensor and a printer core, in addition to other circuit boards. However, because current main control circuit board is split type design with other circuit boards, lead to setting up a plurality of installation positions on thermal printer's casing and provide installation space for various circuit boards, and this can make thermal printer be difficult to carry out miniaturized design, and can increase the processing degree of difficulty and the processing cost of casing, still can increase thermal printer's the assembly degree of difficulty simultaneously. In addition, the main control circuit board needs to be electrically connected with other circuit boards respectively, so that the open lines in the thermal printer are more and more, the maintenance of the thermal printer is not facilitated, and the exposed electric wires are easily damaged in the maintenance process, so that the function failure of the circuit board is caused.
Disclosure of Invention
In order to solve the above problems, the main object of the present invention is to provide a thermal printer with simple structure and easy assembly and maintenance.
In order to realize the utility model discloses a main objective, the utility model provides a button and wiring optimize layout's thermal printer, including fuselage and main control circuit board, form in the fuselage and hold the chamber, the main control circuit board sets up and is holding the intracavity, be provided with control circuit on the main control circuit board, wherein, thermal printer still includes switch and control button, switch is integrated on the main control circuit board, switch is connected with the control circuit electricity, the fuselage is provided with the opening in switch department, switch's operation handle is located the opening, control button is integrated on the main control circuit board, control button is connected with the control circuit electricity, the fuselage is provided with the button in control button department, the button is adjoined with according to the splenium with control button.
It is thus clear that through integrating control element such as switch, control button on main control circuit board, avoided needing to set up a circuit board alone for each control element, simplified thermal printer's assembly step, reduced thermal printer's the assembly degree of difficulty and manufacturing cost, also reduced the structural complexity of fuselage simultaneously by a wide margin for the processing of fuselage is simpler, and increased the space utilization of fuselage, is favorable to thermal printer's miniaturized design.
The thermal printer further comprises an indicator light group, the indicator light group is integrated on the main control circuit board and electrically connected with the control circuit, a display window is arranged on the machine body at the indicator light group, and the indicator light of the indicator light group emits light towards the display window.
It is thus clear that with the pilot lamp group integration on main control circuit board, avoided needing to set up independent circuit board for the pilot lamp group, simplified fuselage structure simultaneously, release fuselage installation space.
Another preferred scheme is that the thermal printer further comprises a communication interface unit, the communication interface unit is integrated on the main control circuit, the communication interface unit is electrically connected with the control circuit, an interface hole site is arranged on the machine body at the communication interface unit, and an interface of the communication interface unit is located in the interface hole site.
It is thus clear that the communication interface unit supplies thermal printer and external equipment communication to acquire the printing information, and the communication interface unit is integrated on the main control circuit board, can avoid the problem that need set up independent circuit board for the communication interface unit, and play the effect of simplifying fuselage structure, release fuselage installation space.
Another preferred scheme is that the thermal printer further comprises a bluetooth module and a WIFI module, the bluetooth module is integrated on the main control circuit board, the bluetooth module is electrically connected with the control circuit, the WIFI module is integrated on the main control circuit board, and the WIFI module is electrically connected with the control circuit.
From top to bottom, the setting up of bluetooth module and WIFI module makes thermal printer have the wireless communication function for thermal printer's use is more convenient and more diversified.
Another preferred scheme is that a paper bin is further arranged on the machine body, the thermal printer further comprises a machine core, the machine core is arranged in the accommodating cavity, and the paper bin and the main control circuit board are respectively located on two opposite sides of the machine core.
It is thus clear that the relative position design of paper storehouse and main control circuit board for the fuselage can have bigger usable space, and the thermal printer of being convenient for carries out miniaturized design, and in addition, the position setting of initiative circuit board still is favorable to it to integrate various control element on itself.
Another preferred scheme is, the fuselage includes casing and lower casing, go up the casing lid and close on the casing down, go up the casing and enclose into with casing down and hold the chamber, opening and button all set up on last casing, the internal first support piece that is provided with of inferior valve, the second support piece reference column, be provided with first spacing portion on the first support piece, be provided with locking portion on the second support piece, main control circuit board is installed on first support piece and second support piece, main control circuit board borders on with first spacing portion, be provided with through-hole and locating hole on the main control circuit board, the reference column is located the locating hole, thermal printer still includes the retaining member, the first end of retaining member passes the through-hole and with locking portion fixed connection, the second end and the main control circuit board of retaining member border on.
It is from top to bottom visible, first support piece and second support piece all play the supporting role to main control circuit board, and the reference column carries on spacingly and location to main control circuit board through the locating hole on the main control circuit board, and the reference column can further carry out reliably spacingly to the main control circuit board in the installation with the cooperation of first spacing portion, improves the convenience of main control circuit board installation. The retaining member combines above-mentioned structural design to realize only relying on single retaining member to fix main control circuit board on casing down, makes main control circuit board's dismouting more convenient.
The further scheme is that a third supporting piece is further arranged in the lower shell, a second limiting part is arranged on the third supporting piece, an installation position is defined by the first supporting piece, the second supporting piece and the third supporting piece, the positioning column is located in the installation position, and the main control circuit board is installed in the installation position.
It is thus clear that the third support piece is used for assisting first support piece and second support piece to support and spacing to the static circuit board.
In a further aspect, the positioning post is integrally formed on the first support member.
Therefore, the positioning column is integrally formed with the first supporting piece, the relative position precision between the first limiting part and the positioning column can be guaranteed, production materials of the lower shell can be saved, and the structure of the lower shell is optimized.
The locking part is a threaded hole, the locking part is a first bolt, and the first bolt is in threaded connection with the threaded hole; or the locking part is provided with a mounting hole, a nut is arranged in the mounting hole, the locking part is a second bolt, and the second bolt is in threaded connection with the nut; or the locking part is provided with a first clamping part, the first end of the locking part is provided with a second clamping part, and the first clamping part and the second clamping part are clamped.
Therefore, the matching mode of the locking piece and the locking part can be changed adaptively according to the actual production process and the product requirement.
In a further aspect, the button is integrally formed on the upper housing, the button being elastically deformable.
Therefore, the key is integrally formed on the upper shell, so that the assembly steps of the thermal printer can be simplified, the structure of the upper shell can be simplified, and the number of assembly parts can be saved.
Drawings
Fig. 1 is a diagram showing an opened state of a paper deck cover in a first embodiment of a thermal printer according to the present invention.
Fig. 2 is a structural view of the thermal printer according to the first embodiment of the present invention, with some components omitted.
Fig. 3 is a structural view of an upper case of the first embodiment of the thermal printer of the present invention.
Fig. 4 is a first structural view of a lower case of the first embodiment of the thermal printer according to the present invention.
Fig. 5 is a second structural view of the lower case of the first embodiment of the thermal printer according to the present invention.
Fig. 6 is a schematic structural diagram of a circuit board according to a first embodiment of the thermal printer of the present invention.
Fig. 7 is a schematic view of a first support member, a locking member and a main control circuit board of a third embodiment of the thermal printer of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
First embodiment of thermal printer:
referring to fig. 1 and 2, the thermal printer 100 includes a main body 1, a paper compartment cover 2, a main control circuit board 3, a power switch 33, a control button 34, a communication interface unit 35, an indicator light set 36, a locking member 4, a movement 5, a cutter 6, and a power adapter 7. Wherein, fuselage 1 includes casing 11 and casing 12 down, and the fixed lid of casing 11 is gone up and is closed on casing 12 down, and encloses between casing 11 and the casing 12 down and become to hold the chamber, and main control circuit board 3, retaining member 4, core 5, cutter 6 and adapter all set up in this and hold the intracavity. Referring to fig. 3, a paper bin 111 is disposed on the upper housing 11, and the paper bin 111 is used for storing a print paper roll for the core 5 to perform a print job on the print paper. The fixed end of the paper bin cover 2 is hinged to the upper shell 11, so that the paper bin cover 2 can open the paper bin 111 around the hinge shaft at the hinged position to add or replace the printing paper roll, and the paper bin cover 2 can cover the paper bin 111 around the hinge shaft at the hinged position to seal the paper bin 111, so that the printing paper roll is prevented from being polluted by external dust, and the printing quality of the thermal printer 100 is guaranteed.
Referring to fig. 4 and 5, the lower housing 12 is provided with a first support 121, a second support 122, a third support 123, a positioning column 124, an interface hole site 125 and a mounting table 126. The first supporting member 121 is located in the lower housing 12, the first supporting member 121 has a first position-limiting portion 1211 and a supporting surface 1212, the main control circuit board 3 is placed on the supporting surface 1212 of the first supporting member 121, so that the supporting surface 1212 supports the main control circuit board 3, and in addition, the first position-limiting portion 1211 is adjacent to the main control circuit board 3 to limit the main control circuit board 3.
The second support 122 is disposed in the lower case 12, and the second support 122 has a locking portion 1221 and a support surface 1222. In this embodiment, the locking portion 1221 is a threaded hole, and the locking member 4 is a bolt. The main control circuit board 3 is provided with a through hole 31, when the main control circuit board 3 is mounted on the lower case 12, the through hole 31 on the main control circuit board 3 and the threaded hole are coaxially arranged, and at this time, a bolt is passed through the through hole 31 on the main control circuit board 3 and is screwed into the threaded hole, thereby fixing the main control circuit board 3 on the lower case 12. While the support surface 1222 of the second support 122 abuts the main control circuit board 3 and also serves to support the main control circuit board 3.
The third supporting member 123 is disposed in the lower housing 12, and the third supporting member 123 is provided with a second limiting portion 1231 and a supporting surface 1232, wherein an installation position is defined among the first supporting member 121, the second supporting member 122, and the third supporting member 123, the positioning column 124 is located in the installation position, and the main control circuit board 3 is installed in the installation position. The supporting surface 1232 of the third supporting member 123 abuts the main control circuit board 3 and supports the main control circuit board 3. Third support member 123's setting, can simplify the structure of first support member 121, and supplementary first support member 121 and second support member 122 support main control circuit board 3 with spacing, through first support member 121, enclose into the installation position between second support member 122 and the third support member 123 and both provide installation space to the main control circuit board, it is spacing with supporting main control circuit board 3 that can be fine, cooperate the setting of second support member 122 simultaneously, make can only realize fixing main control circuit board 3 on casing 12 down through single retaining member 4, make the dismouting of main control circuit board 3 more convenient.
The positioning column 124 is preferably integrally formed on the first support member 121, the positioning column 124 is located on the supporting surface of the first support member 121, the main control circuit board 3 is provided with a positioning hole 32 matched with the positioning column 124, when the main control circuit board 3 is installed on the lower casing 12, the positioning column 124 is inserted into the positioning hole 32 of the main control circuit board 3 to quickly position the main control circuit board 3, so that the through hole 31 on the main control circuit board 3 can be quickly aligned with the locking portion 1221 of the second support member 122, and the installation efficiency of the main control circuit board 3 is improved. The positioning post 124 is integrally formed on the first supporting member 121, so that the relative position accuracy between the first position-limiting portion 1211, the second position-limiting portion 1231 and the positioning post 124 can be ensured, the production material of the lower housing 12 can be saved, and the structure of the lower housing 12 can be optimized. The positioning column 124 is disposed on the supporting surface of the first supporting member 121, so that the positioning column 124 has a function of supporting the main control circuit board 3.
Preferably, the number of the first supporting members 121 is two or more, the number of the third supporting members 123 is two or more, and the number of the positioning columns 124 is equal to the number of the first supporting members 121, in this embodiment, the number of the first supporting members 121 and the number of the second supporting members 122 are two, and the two first supporting members 121 and the two second supporting members 122 are distributed on the circumference of the main control circuit board 3. The number of the first supporting members 121, the positioning posts 124 and the second supporting members 122 can be set according to the structure and size of the main control circuit board 3.
Referring to fig. 6, a control circuit is disposed on the main control circuit board 3, the power switch 33 is integrated on the main control circuit board 3, and the power switch 33 is electrically connected to the main control circuit board 3. The upper case 11 is provided with an opening 112 at the power switch 33, the operation handle of the power switch 33 is located in the opening 12, and the power switch 33 is used for controlling the whole start and stop of the thermal printer 100.
The control button 34 is integrated on the main control circuit board 3, the control button 34 is electrically connected with the control circuit of the main control circuit board 3, the upper shell 11 is provided with a button at the control button 34, the key 113 is adjacent to the pressing part of the control button 34, the control button 34 is used for sending a setting instruction to the main control circuit board 3 through the self setting function, so that the main control circuit board 3 controls the thermal printer 100 to execute the setting instruction, for example, when the control button 34 is a paper feeding button, and when the control button 34 is pressed, the main control circuit board 3 controls the core 5, so that the thermal printer 100 performs paper feeding operation; when the control button 34 is a pause button, the main control circuit board 3 controls the movement 5, the sensor, and the like to pause the current operation when the control button 34 is pressed. It should be noted that the number of the control buttons 34 may be set appropriately according to the functions required by the thermal printer 100.
Preferably, the key 113 is integrally formed on the upper housing 11, that is, the key 113 is disposed in a plate shape, a portion of the key 113 is formed on the upper housing 11, and the remaining portion of the key 113 is hollowed out from the upper housing 11, and the key 113 is elastically deformable. The key 113 is integrally formed on the upper case 11, so that the assembly steps of the thermal printer 100 can be simplified, the structure of the upper case 11 can be simplified, and the number of assembly parts can be reduced.
The indicator light set 36 is integrally disposed on the main control circuit board 3, and the indicator light set 36 is electrically connected to the control circuit of the main control circuit board 3. The upper case 11 is provided with a display window 115 at the indicator lamp group 36, and the indicator lamps of the indicator lamp group 36 are disposed toward the display window 115 and emit light toward the display window 115. The indicator light set 36 is used for displaying the current operating status of the thermal printer 100 accordingly, so that the user can visually acquire the current operating status of the thermal printer 100 in real time.
The communication interface unit 35 is integrated on the main control circuit board 3, the communication interface unit 35 is electrically connected to the control circuit of the main control circuit board 3, and the communication interface unit 35 communicates with the thermal printer 100 and external devices to obtain printing information and printing instructions. The communication interface unit 35 preferably includes a USB interface, a TF memory card interface, and a serial interface, the USB interface, the TF memory card interface, and the serial interface are integrated on the main control circuit board 3, and the USB interface, the TF memory card interface, and the serial interface are electrically connected to the control circuit of the main control circuit board 3, respectively, and the communication interface unit 35 is configured to enable the thermal printer 100 to have various communication functions. Lower casing 12 is provided with interface hole site 125 in communication interface unit 35 department, and the interface of communication interface unit 35 is located interface hole site 125, and the interface hole site 125 that will hold the interface of communication interface unit 35 sets up on lower casing 12, can make main control circuit board 3 install when casing 12 down, and in interface hole site 125 was installed simultaneously to its interface, reduced this interface and the counterpoint degree of difficulty of interface hole site 125 to and reduce the butt joint degree of difficulty of last casing 11 and casing 12 down.
In addition, through integrating power switch 33, control button 34 and other control elements on main control circuit board 3, display element such as pilot lamp group 36 is integrated on main control circuit board 3, communication interface unit 35 is integrated on main control circuit board 3, it needs to set up a circuit board for each control element, each display element and each communication interface unit 35 alone to have avoided having avoided walking between a plurality of circuit boards to be mixed and disorderly, the electric wire exposes many scheduling problem, reduce the probability that thermal printer 100 broke down, and the problem that circuit board electric wire is impaired appears in avoiding thermal printer 100 maintenance process. Moreover, the above design also simplifies the assembly steps of the thermal printer 100, reduces the assembly difficulty and the production cost of the thermal printer 100, and simultaneously greatly reduces the complexity of the structure of the body 1, so that the processing of the body 1 is simpler, and the above design is favorable for increasing the utilization rate of the space of the body 1, and is favorable for the miniaturization design of the thermal printer 100.
Preferably, the thermal printer 100 further includes a bluetooth module and a WIFI module, and the bluetooth module is integrated on the main control circuit board 3 and is electrically connected with the control circuit of the main control circuit board 3. The WIFI module is integrated on the main control circuit board 3 and is electrically connected with the control circuit of the main control circuit board 3. The arrangement of the bluetooth module and the WIFI module enables the thermal printer 100 to have a wireless communication function, so that the thermal printer 100 is more convenient and diversified to use.
As shown in fig. 2, the mounting platform 126 extends from the lower casing 12 toward the upper casing 11, and the mounting platform 126 is used for providing a mounting space for the movement 5, so as to simplify the structure of the upper casing 11, and make the mounting of the movement 5 simpler and more convenient, thereby avoiding the trouble of assembling after disassembling a plurality of parts of the movement 5 when mounting the movement. Specifically, a threaded hole 1261 is formed in the mounting table 126, the movement 5 is electrically connected with the main control circuit board 3, the movement 5 comprises a frame 51, a heat sensitive sheet 52, a rubber roller 53 and a driving unit 54, wherein the heat sensitive sheet 52 and the driving unit 54 are both mounted on the frame 51, the frame 51 is provided with a through hole 511 matched with the threaded hole 1261 in the mounting table 126, when the frame 51 needs to be mounted on the mounting table 126, the through hole 511 in the frame 51 only needs to be aligned with the threaded hole 1261 in the mounting table 126, and then the frame 51 is fixed on the mounting table 126 by passing a bolt through the through hole 511 in the frame 51 and screwing the threaded hole 1261 in the mounting table 126.
The upper case 11 is provided with an opening 115, and when the movement 5 is assembled to the body 1, the heat-sensitive sheet 52 of the movement 5 is located at the opening 115, so that the heat-sensitive sheet 52 can abut against the rubber roller 53 on the paper compartment cover 2, and the rubber roller 53 is rotatably mounted on the free end of the paper compartment cover 2 about its own axis, so that when the paper compartment cover 2 is opened, the heat-sensitive sheet 52 is separated from the rubber roller 53 to facilitate replacement or addition of printing roll paper, and when the paper compartment cover 2 is closed, the rubber roller 53 is connected to the heat-sensitive sheet 52 and can be driven to rotate about its own axis by the driving unit 54 provided on the stand. The cutter 6 is mounted on the upper housing 11 and located at the paper outlet end of the movement 5, and the cutter 6 is used for cutting printing paper printed by the movement 5.
Preferably, the main control circuit board 3 and the paper bin 111 are respectively located at two opposite sides of the mounting table 126, so that the main control circuit board 3 can be disposed in front of the main body 1, and the main body 1 can have a larger available space by designing the relative positions of the main control circuit board 3 and the paper bin 111, so that the thermal printer 100 can be miniaturized, and the position of the main control circuit board 3 is more favorable for the main control circuit board 3 to perform a multifunctional integration design, so as to integrate other functional circuit boards onto the main control circuit board 3 to form an integrated circuit board.
In addition, a guide portion is disposed on one side of the mounting table 126 close to the main control circuit board 3, the guide portion is used for accommodating and guiding a flat cable of the movement 5, and the movement 5 is electrically connected with the main control circuit board 3 through the flat cable. The arrangement of the guide part can optimize the wiring and the wiring of the flat cable and reduce the risk of damage of the flat cable.
The lower shell 12 is further provided with a mounting position 127 and a clearance position 128, the mounting position 127 is located in the accommodating cavity, the mounting position 127 is located below the paper bin 111, the power adapter 7 is located in the mounting position 127, and through the arrangement of the mounting position 127, the power adapter 7 can be built in, so that the external space occupied by the thermal printer 100 in use is reduced. Preferably, the second mounting location 127 is provided with a heat dissipation slot 1271, and the heat dissipation slot 1271 can dissipate heat of the power adapter 7, so as to prevent the power adapter 7 from being out of operation due to too high temperature. Keep away vacancy 128 and be located paper storehouse 111 below, and be located and hold the chamber outside, mount table 126 preferably is the cavity setting, in order to save the production materials of casing 12 down, simultaneously mount table 126 hollow portion with keep away vacancy 128 intercommunication, and interface hole site 125 preferably sets up on mount table 126 and with keep away vacancy 128 intercommunication, thereby make outside communication cable be connected with communication interface unit 35 through keeping away vacancy 128, keep away the structural design of vacancy 128 and can make the overall arrangement of fuselage 1 compacter, thereby more be favorable to thermal printer 100's miniaturized design.
Second embodiment of thermal printer:
the present embodiment is different from the first embodiment of the thermal printer in that there is a difference in the structure of the locking portion of the first support, specifically:
the locking part of the first supporting piece is provided with a mounting hole, a nut is arranged in the mounting hole, the locking piece is a second bolt, and when the main control circuit board is fixed by the locking piece, the screw rod part of the locking piece penetrates through the through hole of the main control circuit board and then is in threaded connection with the nut, so that the main control circuit board is fixed on the lower shell. And through the aforesaid setting, the life of improvement locking portion that can be better to avoid directly setting up the screw hole on first support piece, reduce the wearing and tearing number of times of first support piece.
Third embodiment of thermal printer:
the present embodiment is different from the first embodiment of the thermal printer in that the locking portion of the first support member and the structure of the locking member are different, specifically:
the locking portion middle part of first support piece has the through-hole, is provided with first joint portion on the perisporium of through-hole, and the first end of retaining member has second joint portion, and when the retaining member was fixed to the main control circuit board, the first end of retaining member inserted in the through-hole of locking portion behind the through-hole of main control circuit board to make the first joint portion of second joint portion of serving of retaining member and the first joint portion joint in the locking portion. The structure design can enable the main control circuit board to be installed more quickly, and can simplify the processing technology of the first supporting piece.
As shown in fig. 7, preferably, the first engaging portion of the first supporting member 81 is an engaging groove 811, the engaging groove 811 is preferably L-shaped, the second engaging portion is a locking block 841, when the first end of the locking member 84 passes through the through hole of the main control circuit board 30, the first end of the locking member is inserted into the through hole of the locking portion, the locking block 841 at the first end of the locking member enters the engaging groove 811 from the vertical groove section 812 of the engaging groove 811 and moves to the bottom of the vertical groove section 812, and then the locking member 84 is rotated to enable the locking block 841 of the locking member 84 to enter the horizontal groove section 813 of the engaging groove 811 and reach the end of the horizontal groove section 813. Further, a limiting protrusion 814 is disposed on the transverse groove section 813, a limiting slot 842 is disposed on the fixture block 841, and when the fixture block 841 moves to the end of the transverse groove section 813, the limiting slot 842 is engaged with the limiting protrusion 814, wherein the locking member 84 is preferably made of rubber.
Finally, it should be emphasized that the above-described embodiments are merely preferred examples of the present invention, and are not intended to limit the invention, as those skilled in the art will appreciate that various changes and modifications may be made, and any and all modifications, equivalents, and improvements made, while remaining within the spirit and principles of the present invention, are intended to be included within the scope of the present invention.
Claims (10)
1. A thermal printer with optimized layout of keys and wiring comprises
The device comprises a machine body, a first connecting piece and a second connecting piece, wherein an accommodating cavity is formed in the machine body;
the main control circuit board is arranged in the accommodating cavity and is provided with a control circuit;
characterized in that the thermal printer further comprises:
the power switch is integrated on the main control circuit board and electrically connected with the control circuit, an opening is formed in the machine body at the power switch, and an operation pressing handle of the power switch is positioned in the opening;
the control button is integrated on the main control circuit board and electrically connected with the control circuit, a key is arranged at the position of the control button on the machine body, and the key is adjacent to the pressing part of the control button.
2. The thermal printer according to claim 1, wherein:
the thermal printer further comprises an indicator light set, the indicator light set is integrated on the main control circuit board, and the indicator light set is electrically connected with the control circuit;
the fuselage is in pilot lamp group department is provided with the display window, the pilot lamp orientation of pilot lamp group is luminous display window.
3. The thermal printer according to claim 1, wherein:
the thermal printer also comprises a communication interface unit, the communication interface unit is integrated on the main control circuit, and the communication interface unit is electrically connected with the control circuit;
the machine body is provided with an interface hole site at the communication interface unit, and the interface of the communication interface unit is positioned in the interface hole site.
4. The thermal printer according to claim 1, wherein:
the thermal printer further includes:
the Bluetooth module is integrated on the main control circuit board and is electrically connected with the control circuit;
the WIFI module is integrated on the main control circuit board and is electrically connected with the control circuit.
5. The thermal printer according to any one of claims 1 to 4, wherein:
the machine body is also provided with a paper bin;
the thermal printer further comprises a machine core, wherein the machine core is arranged in the accommodating cavity, and the paper bin and the main control circuit board are respectively positioned on two opposite sides of the machine core.
6. The thermal printer according to any one of claims 1 to 4, wherein:
the machine body comprises an upper shell and a lower shell, the upper shell is covered on the lower shell, the upper shell and the lower shell enclose a containing cavity, the opening and the key are arranged on the upper shell, a first supporting piece and a second supporting piece positioning column are arranged in the lower shell, a first limiting part is arranged on the first supporting piece, and a locking part is arranged on the second supporting piece;
the main control circuit board is arranged on the first supporting piece and the second supporting piece, the main control circuit board is adjacent to the first limiting part, a through hole and a positioning hole are formed in the main control circuit board, and the positioning column is located in the positioning hole;
the thermal printer further comprises a locking piece, the first end of the locking piece penetrates through the through hole and is fixedly connected with the locking part, and the second end of the locking piece is abutted to the main control circuit board.
7. The thermal printer according to claim 6, wherein:
still be provided with third support piece in the inferior valve body, be provided with the spacing portion of second on the third support piece, first support piece second support piece enclose into the installation position between the third support piece, the reference column is located in the installation position, just main control circuit board installs in the installation position.
8. The thermal printer according to claim 7, wherein:
the positioning column is integrally formed on the first supporting piece.
9. The thermal printer according to claim 8, wherein:
the locking part is a threaded hole, the locking part is a first bolt, and the first bolt is in threaded connection with the threaded hole; or
The locking part is provided with a mounting hole, a nut is arranged in the mounting hole, the locking part is a second bolt, and the second bolt is in threaded connection with the nut; or
Locking portion has first joint portion, the first end of retaining member has second joint portion, first joint portion with second joint portion joint.
10. The thermal printer according to claim 6, wherein:
the key is integrally formed on the upper shell, and the key can elastically deform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921818187.0U CN211222586U (en) | 2019-10-25 | 2019-10-25 | Thermal printer with optimized layout of keys and wiring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921818187.0U CN211222586U (en) | 2019-10-25 | 2019-10-25 | Thermal printer with optimized layout of keys and wiring |
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Effective date of registration: 20240304 Address after: 519000 Zone G, second floor, No. 1 plant, No. 15, Nanping Pingbei Second Road, Xiangzhou District, Zhuhai City, Guangdong Province Patentee after: Zhuhai Baiyin automation equipment Co.,Ltd. Country or region after: China Address before: 519000 C area B District, 5 A, 168 building, 168 Road, Yi Sha Road, Ping Sha town, Zhuhai, Guangdong. Patentee before: ZHUHAI SMARNET EQUIPMENT CO.,LTD. Country or region before: China |
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| TR01 | Transfer of patent right |