Built-in contact power supply type printer
Built-in contact power printers solve the problems of unstable power supply and cables by using the contact between electrical contacts and machine contacts. This enables flexible power supply, stable power supply, and simplified assembly, facilitating the replacement of power supply components and improving safety and space utilization.
Patent Information
- Application Number
- CN202423278172.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The power supply of existing thermal printers is unstable, and cables are prone to coming loose, getting tangled and messy. The cable interfaces are also susceptible to moisture, which can cause short circuits, affecting the flexibility and safety of use.
It adopts a built-in contact power supply design, which realizes the power supply between the power unit and the host through the contact and conduction of electrical contact group and mechanical contact group, eliminating the need for cable connection, ensuring stable power supply, and enhancing waterproof function through the cooperation of mechanical contact group and electrical contact group, ensuring normal circuit operation.
It enables flexible power supply for printers, allowing them to operate without mains power. The power supply is stable, saves space, simplifies assembly, facilitates the disassembly and replacement of power components, and improves safety and lifespan.
Smart Images

Figure CN223546036U_ABST
Abstract
Description
Technical Field
[0001] This utility model patent relates to the technical field of printers with built-in power supplies, and more specifically, to printers with built-in contact power supplies. Background Technology
[0002] Thermal printing technology is being used more and more widely across various industries, including cash registers, restaurants, banks, and express delivery, for printing various documents. With the increasing popularity of thermal printers, they are now used not only in bank ATMs and supermarket checkouts, but also in the catering industry and e-commerce shipping areas.
[0003] Currently, to address the issue of printers relying on mains power, printers are equipped with power supply units, providing flexible and real-time power and improving usability. For example, a prior patent with authorization announcement number CN219028930U discloses a thermal printer with a retractable power supply, comprising a base, a cover, and a power module. The cover is hinged to the base. The base includes an inner seat, an outer shell, and a bottom plate. The inner seat has a paper tray, which is covered by the cover. The outer shell is located outside the inner seat, and the bottom plate connects the bottom sides of the inner seat and the outer shell. A storage compartment is formed between the outer wall of the paper tray, the inner wall of the outer shell, and the bottom plate. The storage compartment is located on the horizontal side of the paper tray and has a loading inlet on its rearward side. The base has a locking block at the loading inlet, through which the power module is loaded into the storage compartment. The locking block is adjacent to the power module.
[0004] In existing technologies, cables are used to connect the power supply unit and the main unit. However, cables are prone to coming loose, which can lead to unstable power supply to the power supply unit and affect the use of the printer. In addition, cables are easy to get tangled and messy, and require a pre-set space for placement, which increases the size of the printer main unit. Furthermore, the cable interfaces are directly exposed, making them susceptible to moisture or water damage, which can cause short circuits. Utility Model Content
[0005] The purpose of this invention is to provide a printer with built-in contact power supply, which aims to solve the problem of unstable power supply in printers in the prior art.
[0006] This utility model is implemented as follows: a built-in contact power supply printer includes a main unit and a power supply component. The main unit has a power supply slot for assembling the power supply component. The main unit is provided with a mechanical contact group located in the power supply slot. The power supply component is provided with an electrical contact group. During assembly, the electrical contact group and the mechanical contact group are arranged in a contacting and conductive manner.
[0007] Furthermore, the mechanical contact assembly includes a mechanical contact platform and at least one mechanical contact point, the mechanical contact point being mounted on the mechanical contact platform and the mechanical contact point being arranged in a protruding manner in a direction away from the mechanical contact platform; the electrical contact assembly includes an inner contact plate and an electrical contact ring, the electrical contact ring being sleeved on the inner contact plate, the mechanical contact point extending through the inner contact plate and being arranged in abutting and conductive manner with the inner contact plate, and the mechanical contact platform being embedded with the electrical contact ring.
[0008] Furthermore, the mechanical contact assembly includes a mechanical contact ring, the mechanical contact platform is arranged inside the mechanical contact ring, the electrical contact assembly includes an electrical contact plate, the electrical contact plate has a plate groove, the plate groove is arranged in a ring shape along the outer periphery of the electrical contact ring, the plate groove is arranged in a recessed shape in the direction away from the host, and the mechanical contact ring is embedded in the plate groove.
[0009] Furthermore, the electrical contact assembly includes at least one electrical contact, which is arranged in a protruding manner and is used to pass through the contact assembly and is in a conductive arrangement with the host.
[0010] Furthermore, the host includes a step platform and a base plate, the step platform and the base plate are arranged in a mating arrangement, and the step platform is arranged in a protruding arrangement in a direction away from the base plate, and the contact assembly is mounted on the step platform; the power supply component includes a main power board and an extension power board, the main power board and the extension power board are arranged in a mating and integrally formed arrangement, the thickness of the extension power board is less than the thickness of the main power board, the main power board and the base plate are arranged in a flat contact arrangement, and the extension power board and the step platform are arranged in a flat contact arrangement.
[0011] Furthermore, the power supply component includes a fastening plate, the inner end of which is arranged in a mating arrangement with the extension plate, and the outer end of which extends outward in a direction away from the extension plate; the main unit has a fastening groove, which is arranged in communication with the power supply groove, and the fastening groove has at least one fastening part, and the fastening plate and the fastening part are arranged in a fastened or separate arrangement.
[0012] Furthermore, the base plate has a base groove, which is recessed inwards, and the main source plate has a source fixing block, which is protruding outwards, and the source fixing block is embedded in the base groove; or, the base plate has a base column, which is protruding outwards, and the main source plate has a main source groove, which is recessed inwards, and the base column is embedded in the main source groove.
[0013] Furthermore, the power supply unit has a charging port, the main unit includes a power supply housing, the power supply housing has the power supply slot, the power supply housing has a power plug, the power plug is arranged in a through manner, and the charging port and the power plug are arranged opposite to and connected to each other.
[0014] Furthermore, the power supply housing includes a longitudinal shell plate and a transverse shell plate, and the main unit includes a longitudinal machine arm and a transverse machine arm. The longitudinal shell plate and the longitudinal machine arm are arranged in a corresponding manner at intervals, and the transverse shell plate and the transverse machine arm are arranged in a corresponding manner at intervals. The longitudinal shell plate, the transverse shell plate, the longitudinal machine arm and the transverse machine arm surround to form the power supply slot. The longitudinal shell plate, the transverse shell plate, the longitudinal machine arm and the transverse machine arm simultaneously abut against the periphery of the power supply component.
[0015] Furthermore, the host is provided with multiple shims, which are used to make the power supply unit suspended in the air.
[0016] Compared with the prior art, the built-in contact power supply printer provided by this utility model assembles the power supply component into the power supply slot. Through the contact and conduction of the electrical contact group and the machine contact group, the power supply component can supply power to the host, realizing flexible power supply. The printer does not need to rely on mains power to operate. At the same time, through the cooperation of the electrical contact group and the machine contact group, the power supply is stable. There is no need to install cables, saving space. In addition, the assembly is simple and convenient, without being affected by cables, and it is easy to disassemble and replace the power supply component. Attached Figure Description
[0017] Figure 1 This is an exploded view of the built-in contact power supply printer provided by this utility model.
[0018] Figure 2 This is an enlarged schematic diagram of part A of the built-in contact power supply printer provided by this utility model;
[0019] Figure 3 This is a three-dimensional schematic diagram of the power supply component of the built-in contact power supply printer provided by this utility model.
[0020] Figure 4 This is an enlarged schematic diagram of part B of the built-in contact power supply printer provided by this utility model;
[0021] Figure 5 This is a three-dimensional schematic diagram of the built-in contact power supply printer provided by this utility model. Detailed Implementation
[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0023] The implementation of this utility model will be described in detail below with reference to specific embodiments.
[0024] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.
[0025] Reference Figure 1-5 The image shown is a preferred embodiment of the present invention.
[0026] The built-in contact power supply printer includes a main unit 1 and a power supply unit 2. The main unit 1 has a power supply slot 11 for assembling the power supply unit 2. The main unit 1 is provided with a mechanical contact group located in the power supply slot 11. The power supply unit 2 is provided with an electrical contact group 21. During assembly, the electrical contact group 21 and the mechanical contact group are arranged in a contacting and conductive manner.
[0027] The aforementioned built-in contact power supply printer assembles the power supply unit 2 into the power supply slot 11. Through the contact and conduction of the electrical contact group 21 and the machine contact group, the power supply unit 2 supplies power to the host 1, achieving flexible power supply. The printer does not need to rely on mains power to operate. At the same time, through the cooperation of the electrical contact group 21 and the machine contact group, the power supply is stable. There is no need to install cables, saving space. In addition, the assembly is simple and convenient.
[0028] In practical use, when the power supply component 2 is insufficient, it can be directly replaced. The contact conduction method facilitates the disassembly and replacement of the power supply component 2.
[0029] The main unit 1 includes a step platform 12 and a base plate. The step platform 12 and the base plate are arranged in a mating arrangement, and the step platform 12 is arranged in a protruding arrangement in the direction away from the base plate. The contact assembly is installed on the step platform 12. The power supply unit 2 includes a main power board 22 and an extension power board 23. The main power board 22 and the extension power board 23 are arranged in a mating and integral arrangement. The thickness of the extension power board 23 is less than the thickness of the main power board 22. The main power board 22 and the base plate are arranged in a flat contact arrangement, and the extension power board 23 and the step platform 12 are arranged in a flat contact arrangement.
[0030] The main power board 22 enables charging and discharging, thus providing power to the host 1. With the cooperation of the extension power board 23 and the step platform 12, the stability of the contact between the electrical contact group 21 and the mechanical contact group is improved. At the same time, it plays a role in positioning and limiting the setting of the power supply component 2, improving the stability of the setting of the power supply component 2. Furthermore, it can maximize the release of the internal space of the host 1, making it easier to set up and arrange the internal components of the host 1.
[0031] The power supply component 2 includes a fastening plate 24, the inner end of which is arranged to be mated with the extension plate 23, and the outer end of which extends outward in a direction away from the extension plate 23; the main unit 1 has a fastening groove, which is arranged in communication with the power supply groove 11, and the fastening groove has at least one fastening part, and the fastening plate 24 and the fastening part are arranged to be fastened or separated.
[0032] The fastening plate 24 reinforces the assembly of the power supply component 2, improving its stability. At the same time, the fastening plate 24 also facilitates the disassembly and replacement of the power supply component 2.
[0033] Positioning Example 1: The base plate has a base groove, which is recessed inward. The main source plate 22 is provided with a source positioning block, which is protruding outward. The source positioning block and the base groove are embedded in each other. In this way, the cooperation between the source positioning block and the base groove plays a positioning role in the assembly of the power supply component 2, thereby improving the assembly stability of the power supply component 2.
[0034] Positioning Embodiment 2: The base plate is provided with a base column, which is arranged to protrude outwards. The main source plate 22 is provided with a main source groove, which is arranged to be recessed inwards. The base column and the main source groove are embedded in each other. In this way, the base column and the main source groove cooperate to position the power supply component 2 and improve the assembly stability of the power supply component 2.
[0035] The power supply unit 2 has a charging port 4. The main unit 1 includes a power supply housing with a power slot 11 and a power plug 3. The power plug 3 is arranged in a through manner, and the charging port 4 is directly opposite and connected to the power plug 3. In this way, when there is mains power available, the power supply unit 2 can be charged for the subsequent use of the main unit 1.
[0036] The power supply housing includes a longitudinal shell plate and a transverse shell plate. The main unit 1 includes a longitudinal machine arm and a transverse machine arm. The longitudinal shell plate and the longitudinal machine arm are arranged in a corresponding manner at intervals. The transverse shell plate and the transverse machine arm are arranged in a corresponding manner at intervals. The longitudinal shell plate, the transverse shell plate, the longitudinal machine arm and the transverse machine arm enclose to form a power supply slot 11. The longitudinal shell plate, the transverse shell plate, the longitudinal machine arm and the transverse machine arm synchronously abut against the periphery of the power supply unit 2.
[0037] In this way, the combined action of the longitudinal shell plate, the transverse shell plate, the longitudinal machine arm, and the transverse machine arm not only positions and reinforces the power supply component 2, but also protects it from external impacts and extends its service life.
[0038] The main unit is equipped with multiple raising blocks 5, which are used to make the power supply component 2 suspended in the air. In this way, when the printer is used, the power supply component 2 is assembled to the main unit 1, and under the action of each raising block 5, the power supply component 2 is suspended in the air, which facilitates the heat dissipation of the power supply component 2. At the same time, it avoids the power supply component 2 being rubbed when the main unit 1 is moved, thus protecting the power supply component 2 and improving the safety of printer use.
[0039] Implementation Example 1:
[0040] The mechanical contact assembly includes a mechanical contact platform 13 and at least one mechanical contact 14. The mechanical contact 14 is mounted on the mechanical contact platform 13 and is arranged to protrude in a direction away from the mechanical contact platform 13. The electrical contact assembly 21 includes an inner contact plate 211 and an electrical contact ring 212. The electrical contact ring 212 is sleeved on the inner contact plate 211. The mechanical contact 14 extends through the inner contact plate and is arranged to abut against the inner contact plate 211 in a conductive manner. The mechanical contact platform 13 is embedded with the electrical contact ring 212.
[0041] In this way, the power supply component 2 supplies power to the host 1 through the contact between the machine contact 14 and the inner contact plate 211. At the same time, the electric contact ring 212 acts as a seal, providing waterproofing and preventing moisture or water from affecting the conduction between the machine contact 14 and the inner contact plate 211, thus ensuring the normal operation of the circuit.
[0042] The contact assembly includes multiple machine contacts 14, and the inner contact plate 211 has multiple inner contacts 213. Each machine contact 14 and each inner contact 213 are arranged in a one-to-one correspondence and in a one-to-one contact and conduction arrangement to realize the conduction of the circuit.
[0043] The mechanical contact group includes three mechanical contacts 14, with different mechanical contacts 14 corresponding to positive, negative, signal, and safety fuse, etc.
[0044] The mechanical contact assembly includes a mechanical contact ring 15, and a mechanical contact platform 13 is arranged inside the mechanical contact ring 15. The electrical contact assembly 21 includes an electrical contact plate with a plate groove. The plate groove is arranged in a ring shape along the outer periphery of the electrical contact ring 212 and is recessed in the direction away from the main unit 1. The mechanical contact ring 15 is embedded in the plate groove.
[0045] The combination of mechanical contact ring 15 and electrical contact ring 212 greatly enhances the waterproof effect and ensures the normal operation of the circuit.
[0046] Implementation Example 2:
[0047] The electrical contact assembly 21 includes at least one electrical contact, which is arranged in a protruding manner and is used to pass through the contact assembly and is in a conductive arrangement with the host 1.
[0048] The power supply unit 2 supplies power to the host unit 1 through the conduction of electrical contacts and mechanical contact groups.
[0049] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A printer with built-in contact power supply, characterized in that, The device includes a main unit and a power supply unit. The main unit has a power supply slot for assembling the power supply unit. The main unit is provided with a mechanical contact group located in the power supply slot. The power supply unit is provided with an electrical contact group. During assembly, the electrical contact group and the mechanical contact group are arranged in a contacting and conductive manner.
2. The built-in contact power supply printer as described in claim 1, characterized in that, The mechanical contact assembly includes a mechanical contact platform and at least one mechanical contact point. The mechanical contact point is mounted on the mechanical contact platform and is arranged in a protruding manner in a direction away from the mechanical contact platform. The electrical contact assembly includes an inner contact plate and an electrical contact ring. The electrical contact ring is sleeved on the inner contact plate. The mechanical contact point extends through the inner contact plate and is arranged in abutting and conductive manner with the inner contact plate. The mechanical contact platform is embedded with the electrical contact ring.
3. The built-in contact power supply printer as described in claim 2, characterized in that, The mechanical contact assembly includes a mechanical contact ring, and the mechanical contact platform is arranged inside the mechanical contact ring. The electrical contact assembly includes an electrical contact plate, and the electrical contact plate has a plate groove. The plate groove is arranged in a ring shape along the outer periphery of the electrical contact ring and is arranged in a recessed manner in the direction away from the host. The mechanical contact ring is embedded in the plate groove.
4. The built-in contact power supply printer as described in claim 1, characterized in that, The electrical contact assembly includes at least one electrical contact, which is arranged in a protruding manner and is used to pass through the contact assembly and is in a conductive arrangement with the host.
5. The built-in contact power supply printer as described in any one of claims 1-4, characterized in that, The host includes a step platform and a base plate, which are arranged in a mating arrangement. The step platform is also arranged to protrude in a direction away from the base plate. The contact assembly is mounted on the step platform. The power supply includes a main power board and an extension power board, which are mating and integrally formed. The thickness of the extension power board is less than that of the main power board. The main power board and the base plate are arranged in a flat, abutting arrangement, as are the extension power board and the step platform.
6. The built-in contact power supply printer as described in claim 5, characterized in that, The power supply component includes a fastening plate, the inner end of which is arranged to be mated with the extension plate, and the outer end of which extends outward in a direction away from the extension plate; the main unit has a fastening groove, which is arranged in communication with the power supply groove, and the fastening groove has at least one fastening part, and the fastening plate and the fastening part are arranged to be fastened or separated.
7. The built-in contact power supply printer as described in claim 5, characterized in that, The base plate has a base groove, which is recessed inwards. The main source plate has a source fixing block, which is protruding outwards. The source fixing block and the base groove are embedded in each other. Alternatively, the base plate has a base column, which is protruding outwards. The main source plate has a main source groove, which is recessed inwards. The base column and the main source groove are embedded in each other.
8. The built-in contact power supply printer as described in any one of claims 1-4, characterized in that, The power supply unit has a charging port, the main unit includes a power supply housing, the power supply housing has the power supply slot, the power supply housing has a power plug, the power plug is arranged in a through manner, and the charging port and the power plug are arranged opposite to and connected to each other.
9. The built-in contact power supply printer as described in claim 8, characterized in that, The power supply housing includes a longitudinal shell plate and a transverse shell plate. The main unit includes a longitudinal machine arm and a transverse machine arm. The longitudinal shell plate and the longitudinal machine arm are arranged in a corresponding manner at intervals. The transverse shell plate and the transverse machine arm are arranged in a corresponding manner at intervals. The longitudinal shell plate, the transverse shell plate, the longitudinal machine arm and the transverse machine arm surround and form the power supply slot. The longitudinal shell plate, the transverse shell plate, the longitudinal machine arm and the transverse machine arm simultaneously abut against the periphery of the power supply component.
10. The built-in contact power supply printer as described in any one of claims 1-4, characterized in that, The host is equipped with multiple shims, which are used to make the power supply unit suspended in the air.
Citation Information
Patent Citations
Thermal printer with storable power supply
CN219028930U