Miniature printer capable of stably opening and closing cover
By incorporating a buffer structure consisting of a telescopic rod, spring, and rubber block between the upper and lower shells of the micro printer, along with a magnetic block fixing design, the problem of damage when the upper and lower shells are closed is solved, achieving a stable opening and closing effect.
Patent Information
- Application Number
- CN202520372973.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-03-05
AI Technical Summary
Existing mini printers may cause damage between the upper and lower shells if the user applies too much force when closing them.
A telescopic rod and spring are installed between the upper shell and the bottom shell, along with rubber blocks and buffer grooves. The rubber blocks and buffer grooves work together to achieve a buffering effect, and magnetic blocks are used for fixation.
It effectively buffers the closing process of the upper and lower shells, ensuring the stability of opening and closing the cover, and protecting the shell contact surfaces from damage.
Smart Images

Figure CN223702045U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to printer technical field, concretely is a kind of micro printer of stable opening and closing cover. BACKGROUND
[0002] Printer is one of the output devices of computer, for printing computer processing result on relevant medium, with the development of society, the application range of micro printer is more and more widely, such as: bank, shop, family etc., specific volume is small, portable advantage, the existing micro printer is usually composed of upper cover and lower cover, the accommodation part of roll paper, rubber roller etc.
[0003] At present, when the upper shell and the bottom shell of the printer are closed, the user may cause damage between the upper shell and the bottom shell when closing the upper shell with too much force. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of micro printer of stable opening and closing cover, solve the problem that when the upper shell and the bottom shell of the printer are closed, the user may cause damage between the upper shell and the bottom shell when closing the upper shell with too much force.
[0005] The application embodiment provides a kind of micro printer of stable opening and closing cover, including bottom shell, the outer wall of the bottom shell is hinged with upper shell, the inner wall of the upper shell is equipped with two buffer grooves, the upper side of the bottom shell is equipped with two movable slots, the position of two movable slots and two buffer grooves correspond, the inner wall of the bottom shell in each movable slot is respectively fixedly installed with telescopic rod, the upper end of each telescopic rod is respectively fixedly connected with mounting block, the upper end of the mounting block is fixedly installed with rubber block, the outer wall of the telescopic rod is equipped with spring, the upper end of the spring is fixedly installed with mounting block, the lower end of the spring is fixedly installed with the inner wall of bottom shell.
[0006] By adopting the above technical scheme, when the upper shell and the bottom shell are closed, the telescopic rod and the spring can buffer the mounting block and the rubber block, and the rubber block can effectively buffer when abutting to the inside of the buffer groove, to ensure the stability of opening and closing cover, and protect the contact surface of the upper shell and the bottom shell.
[0007] Optionally, the rubber block is triangular, and the shape of the buffer groove is matched with that of the rubber block.
[0008] By adopting the above technical scheme, the shape of the rubber block is matched with that of the buffer groove, so that the rubber block can easily enter the inside of the buffer groove.
[0009] Optionally, the material of the upper shell is transparent acrylic material.
[0010] By adopting the above technical solution, and using a transparent acrylic material for the upper shell, it is convenient to observe the inside of the upper shell.
[0011] Optionally, two first storage slots are provided on the upper side of the bottom shell, and a first magnetic block is fixedly connected to the inner wall of the bottom shell inside each first storage slot.
[0012] By adopting the above technical solution, the first storage slot can store the first magnetic block, and the bottom shell can fix the first magnetic block.
[0013] Optionally, the inner wall of the upper shell has two second storage slots, and a second magnetic block is fixedly installed on the inner wall of the upper shell inside each of the second storage slots.
[0014] By adopting the above technical solution, the second storage slot can be used to store the second magnetic block, while the upper shell can fix the second magnetic block.
[0015] Optionally, each of the first magnetic blocks corresponds to the position of the second magnetic block.
[0016] By adopting the above technical solution, the positions of the first magnetic block and the second magnetic block correspond, which facilitates the magnetic attraction and fixation of the upper shell and the bottom shell.
[0017] Optionally, the height of the telescopic rod is higher than the height of the movable groove.
[0018] By adopting the above technical solution, the height of the telescopic rod is higher than the height of the movable groove, which facilitates timely buffering of the upper shell.
[0019] Compared with the prior art, the beneficial effects of the technical solution of this application are as follows:
[0020] The technical solution of this application allows the telescopic rod and spring to buffer the mounting block and rubber block when the upper and lower shells are closed. When the rubber block abuts against the inside of the buffer groove, it can effectively buffer the opening and closing of the cover, and protect the contact surfaces of the upper and lower shells. Attached Figure Description
[0021] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:
[0022] Figure 1 This is a front view schematic diagram of a micro printer with a stable opening and closing cover according to the present invention;
[0023] Figure 2 This utility model relates to a miniature printer with a stable opening and closing cover. Figure 1 Enlarged view of point A in the middle;
[0024] Figure 3 This is a cross-sectional view of the left side of a micro printer with a stable opening and closing cover according to the present invention.
[0025] Figure 4 This utility model relates to a miniature printer with a stable opening and closing cover. Figure 3 Enlarged view of section B in the middle.
[0026] In the diagram: 1. Bottom shell; 2. Top shell; 3. Movable groove; 4. Telescopic rod; 5. Spring; 6. Mounting block; 7. Rubber block; 8. Buffer groove; 9. First storage groove; 10. First magnetic block; 11. Second storage groove; 12. Second magnetic block. Detailed Implementation
[0027] Please see Figures 1-4 This utility model provides a technical solution: a micro printer with a stable opening and closing cover, including a bottom shell 1, an upper shell 2 hinged to the outer wall of the bottom shell 1, two buffer grooves 8 opened on the inner wall of the upper shell 2, two movable grooves 3 opened on the upper side of the bottom shell 1, the two movable grooves 3 and the two buffer grooves 8 are positioned corresponding to each other, a telescopic rod 4 is fixedly installed on the inner wall of the bottom shell 1 located inside each movable groove 3, an installation block 6 is fixedly connected to the upper end of each telescopic rod 4, a rubber block 7 is fixedly installed on the upper end of the installation block 6, a spring 5 is sleeved on the outer wall of the telescopic rod 4, the upper end of the spring 5 is fixedly installed to the installation block 6, and the lower end of the spring 5 is fixedly installed to the inner wall of the bottom shell 1;
[0028] The upper side of the bottom shell 1 has two first storage slots 9. The inner wall of the bottom shell 1 inside each first storage slot 9 is fixedly connected to a first magnetic block 10. The inner wall of the upper shell 2 has two second storage slots 11. The inner wall of the upper shell 2 inside each second storage slot 11 is fixedly installed with a second magnetic block 12. The positions of each first magnetic block 10 and the second magnetic block 12 are corresponding.
[0029] In the technical solution of this utility model, when the upper shell 2 and the bottom shell 1 are closed, the telescopic rod 4 and the spring 5 can buffer the mounting block 6 and the rubber block 7. When the rubber block 7 abuts against the inside of the buffer groove 8, it can effectively buffer the opening and closing of the cover and protect the contact surface of the upper shell 2 and the bottom shell 1.
[0030] In addition, the first storage slot 9 can store the first magnetic block 10, and the bottom shell 1 can fix the first magnetic block 10. The second storage slot 11 can store the second magnetic block 12, and the upper shell 2 can fix the second magnetic block 12. The corresponding positions of the first magnetic block 10 and the second magnetic block 12 facilitate the magnetic attraction and fixation of the upper shell 2 and the bottom shell 1.
[0031] In the technical solution of this utility model, such as Figure 3 and Figure 4 As shown, the height of the telescopic rod 4 is higher than the height of the movable groove 3. The fact that the height of the telescopic rod 4 is higher than the height of the movable groove 3 facilitates timely buffering of the upper shell 2.
[0032] In the technical solution of this utility model, such as Figure 2 and Figure 4 As shown, the rubber block 7 is triangular in shape, and the buffer groove 8 is adapted to the shape of the rubber block 7. The adaptation of the shape of the rubber block 7 to the buffer groove 8 facilitates the entry of the rubber block 7 into the interior of the buffer groove 8.
[0033] In the technical solution of this utility model, such as Figure 1 As shown, the upper shell 2 is made of transparent acrylic material, which facilitates observation of the interior of the upper shell 2.
[0034] In use, when the upper shell 2 and the bottom shell 1 are closed, the telescopic rod 4 and the spring 5 can buffer the mounting block 6 and the rubber block 7. When the rubber block 7 abuts against the inside of the buffer groove 8, it can effectively buffer the opening and closing of the cover and protect the contact surface of the upper shell 2 and the bottom shell 1. Then, the first magnetic block 10 and the second magnetic block 12 are magnetically attracted to each other, which can fix the upper shell 2 and the bottom shell 1. The bottom shell 1 is equipped with a placement roller, while the upper shell 2 is equipped with a pressure roller and a print head.
Claims
1. A miniature printer with a stable opening and closing cover, characterized in that: The device includes a bottom shell (1), an upper shell (2) hinged to the outer wall of the bottom shell (1), two buffer grooves (8) are opened on the inner wall of the upper shell (2), two movable grooves (3) are opened on the upper side of the bottom shell (1), the two movable grooves (3) correspond to the positions of the two buffer grooves (8), a telescopic rod (4) is fixedly installed on the inner wall of the bottom shell (1) located inside each movable groove (3), an installation block (6) is fixedly connected to the upper end of each telescopic rod (4), a rubber block (7) is fixedly installed on the upper end of the installation block (6), a spring (5) is sleeved on the outer wall of the telescopic rod (4), the upper end of the spring (5) is fixedly installed with the installation block (6), and the lower end of the spring (5) is fixedly installed with the inner wall of the bottom shell (1).
2. A micro printer with a stable opening and closing cover according to claim 1, characterized in that, The rubber block (7) is triangular in shape, and the buffer groove (8) is adapted to the shape of the rubber block (7).
3. A micro printer with a stable opening and closing cover according to claim 2, characterized in that, The upper shell (2) is made of transparent acrylic material.
4. A micro printer with a stable opening and closing cover according to claim 3, characterized in that, The upper side of the bottom shell (1) has two first storage slots (9), and the inner wall of the bottom shell (1) located inside each first storage slot (9) is fixedly connected with a first magnetic block (10).
5. A micro printer with a stable opening and closing cover according to claim 4, characterized in that, The inner wall of the upper shell (2) has two second storage slots (11), and a second magnetic block (12) is fixedly installed on the inner wall of the upper shell (2) inside each second storage slot (11).
6. A micro printer with a stable opening and closing cover according to claim 5, characterized in that, Each of the first magnetic blocks (10) corresponds to the position of the second magnetic block (12).
7. A micro printer with a stable opening and closing cover according to claim 1, characterized in that, The height of the telescopic rod (4) is higher than the height of the movable groove (3).