Elastic locking device of miniprinter
By designing an elastic locking device in a micro printer, the combination of the second spring and locking plate can be used to achieve flexible fixation of the printing paper roll, solving the problem that existing micro printers are not suitable for printing papers of different sizes, expanding the scope of use and improving convenience.
Patent Information
- Application Number
- CN202421588604.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-05
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-07-05
AI Technical Summary
Existing micro printers are not convenient to adjust the lock according to the length and size of the paper roll, which is not suitable for printing paper of different sizes, and the scope of use is relatively limited.
An elastic locking device for a micro printer is designed, using a combination of a second spring and a locking plate. The locking plate is contracted by manually squeezing the spring, and the spring force is used to reset and fix the printing paper roll, so as to facilitate adjustment according to the size of the printing paper roll.
It realizes flexible adjustment and fixing according to different sizes of the printing paper roll, making the use of micro printers wider, suitable for printing paper rolls of different sizes, and improving the convenience of use.
Smart Images
Figure CN222682067U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of micro printers, in particular to an elastic locking device of a micro printer. Background Art
[0002] Various types of labels are needed in many places such as offices, factories, warehouses and shopping malls. Since labels are generally small, they need a specific label printer to print them. Therefore, a portable printer is needed. A portable printer is a micro printer, which is a small and easy-to-carry printer designed to meet the printing needs of users on the move. However, most of the current micro printers are not convenient to adjust and lock according to the length of the printing paper roll, and are not suitable for printing papers of different sizes. The scope of use is relatively limited. Therefore, we have introduced a new elastic locking device for micro printers. Utility Model Content
[0003] The main purpose of the utility model is to provide an elastic locking device for a micro printer, which can effectively solve the problems in the background technology.
[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0005] An elastic locking device for a micro printer comprises a shell, a charging port is arranged at the left end of the shell, a cover body is arranged at the front of the upper end of the shell, a paper outlet is arranged at the lower end of the cover body, inner grooves are arranged on the left and right sides of the cover body, fixing devices are arranged inside the two inner grooves, sliding grooves are arranged on the left and right ends of the cover body, a placement groove is arranged at the upper front end of the shell, a locking mechanism is arranged on the inner left wall and the inner right wall of the placement groove, and two card slots are arranged at the front end of the shell.
[0006] Preferably, the fixing device includes a first spring, a limiting block is fixedly installed on one end of the first spring, a clamping block is fixedly installed on the end of the limiting block away from the first spring, a connecting column is provided on the outer surface of the limiting block, a toggle plate is fixedly installed on the end of the connecting column away from the limiting block, and a plurality of anti-slip grooves are provided on the end of the toggle plate away from the connecting column.
[0007] Preferably, the first spring is fixedly connected to the inner wall of the inner groove, and the clamping block is movably clamped in the clamping groove.
[0008] Preferably, the toggle plate extends to the outside of the cover body through a sliding groove, and the toggle plate and the outer surface of the cover body are in contact with each other.
[0009] Preferably, the locking mechanism includes a second spring, four of which are provided, and a locking plate is fixedly mounted on one end of the four second springs, and sliders are provided at the upper and lower middle parts of the locking plate, and two limit grooves are provided on the inner upper wall and the inner lower wall of the placement groove.
[0010] Preferably, the locking plate is slidably installed in the two limiting grooves through two sliding blocks, and the four second springs are fixedly connected to the inner wall of the placement groove.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] 1. Manually move the two locking plates to the left and right to squeeze the eight second springs and shrink them. Then, place the paper roll between the two locking plates and use the elastic force of the second springs to reset the two locking plates to fix the paper roll. The second springs can be used to adjust and fix the paper roll according to its size, so that the printer can be used in a wider range and is suitable for paper rolls of different sizes, making it easy to use.
[0013] 2. By pushing the two toggle plates at the same time, the two limit blocks are driven to move forward. At this time, the two first springs are squeezed and contracted due to the force, so that the two card blocks are disengaged from the two card slots, so that the cover body can be opened quickly and conveniently. By closing the cover body, the two card blocks are connected to the two card slots and can be used, which is convenient for locking and opening the cover body and convenient for operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the overall structure of an elastic locking device of a micro printer of the utility model;
[0015] Figure 2 This is a schematic diagram of the overall structure of the first connecting pipe of an elastic locking device of a micro printer according to the utility model;
[0016] Figure 3 This is a schematic diagram of the overall structure of a fixing device of an elastic locking device of a micro printer of the utility model;
[0017] Figure 4 The utility model is a schematic diagram of the overall structure of the locking mechanism of the elastic locking device of the micro printer.
[0018] In the figure: 1. Shell; 2. Charging port; 3. Cover; 4. Paper outlet; 5. Inner groove; 6. Fixing device; 61. First spring; 62. Limit block; 63. Card block; 64. Connecting column; 65. Toggle plate; 66. Anti-slip groove; 7. Slide groove; 8. Placement groove; 9. Locking mechanism; 91. Second spring; 92. Locking plate; 93. Sliding block; 94. Limit groove; 10. Card groove. DETAILED DESCRIPTION
[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0022] See also Figure 1-4 , the utility model provides a technical solution:
[0023] An elastic locking device for a micro printer comprises a shell 1, a charging port 2 is arranged at the left end of the shell 1, a cover body 3 is arranged at the front of the upper end of the shell 1, a paper outlet 4 is arranged at the lower end of the cover body 3, inner grooves 5 are arranged on the left and right sides of the inner part of the cover body 3, fixing devices 6 are arranged inside the two inner grooves 5, sliding grooves 7 are arranged on the left and right ends of the cover body 3, a placement groove 8 is arranged at the upper front end of the shell 1, a locking mechanism 9 is arranged on the inner left wall and the inner right wall of the placement groove 8, and two card slots 10 are arranged at the front end of the shell 1.
[0024] In this embodiment, the fixing device 6 includes a first spring 61, one end of the first spring 61 is fixedly installed with a limiting block 62, the end of the limiting block 62 away from the first spring 61 is fixedly installed with a clamping block 63, the outer surface of the limiting block 62 is provided with a connecting column 64, the end of the connecting column 64 away from the limiting block 62 is fixedly installed with a toggle plate 65, and the end of the toggle plate 65 away from the connecting column 64 is provided with a plurality of anti-slip grooves 66; the first spring 61 is fixedly connected to the inner wall of the inner groove 5, and the clamping block 63 is movably clamped in the clamping groove 10; the toggle plate 65 extends to the outside of the cover body 3 through the slide groove 7, and the toggle plate 65 and the outer surface of the cover body 3 are in contact with each other.
[0025] In this embodiment, the locking mechanism 9 includes a second spring 91, and four second springs 91 are provided. A locking plate 92 is fixedly installed at one end of the four second springs 91. Sliders 93 are provided at the upper end and the middle part of the lower end of the locking plate 92. The inner upper wall and the inner lower wall of the placement slot 8 are provided with two limit slots 94; the locking plate 92 is slidably installed in the two limit slots 94 through two slides 93 respectively, and the four second springs 91 are fixedly connected to the inner wall of the placement slot 8; through the second spring 91 and the locking plate 92, the elastic force of the second spring 91 is used to reset the two locking plates 92 to fix the printing paper roll, and the second spring 91 is used to facilitate adjustment and fixation according to the size of the printing paper roll, so that the printer has a wide range of uses and is convenient to use.
[0026] It should be noted that the utility model is an elastic locking device for a micro printer. When using the printer, the two toggle plates 65 can be pushed at the same time to drive the two limit blocks 62 to move forward. At this time, the two first springs 61 are squeezed and contracted due to the force, so that the two card blocks 63 are disengaged from the two card slots 10, so that the cover body 3 can be opened quickly and conveniently. Then, the two locking plates 92 are manually toggled to the left and right, so that the eight second springs 91 are squeezed and contracted. Then, by placing the printing paper roll between the two locking plates 92, the elastic force of the second springs 91 is used to reset the two locking plates 92 to fix the printing paper roll. The second springs 91 are used to adjust and fix according to the size of the printing paper roll, so that the printer has a wide range of use and is convenient to use. Then, by closing the cover body 3, the two card blocks 63 are clamped in the two card slots 10 and the printer can be used.
[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. An elastic locking device for a micro printer, comprising a housing (1), characterized in that: A charging port (2) is provided at the left end of the shell (1), a cover body (3) is provided at the front of the upper end of the shell (1), a paper outlet (4) is provided at the lower end of the cover body (3), inner grooves (5) are provided on the left and right sides of the inner part of the cover body (3), fixing devices (6) are provided inside the two inner grooves (5), sliding grooves (7) are provided at the left and right ends of the cover body (3), a placement groove (8) is provided at the upper front end of the shell (1), the inner left wall and the inner right wall of the placement groove (8) are provided with locking mechanisms (9), and two card slots (10) are provided at the front end of the shell (1).
2. The elastic locking device of a micro printer according to claim 1, characterized in that: The fixing device (6) comprises a first spring (61), one end of the first spring (61) is fixedly mounted with a limit block (62), one end of the limit block (62) away from the first spring (61) is fixedly mounted with a clamping block (63), an outer surface of the limit block (62) is provided with a connecting column (64), one end of the connecting column (64) away from the limit block (62) is fixedly mounted with a toggle plate (65), and one end of the toggle plate (65) away from the connecting column (64) is provided with a plurality of anti-slip grooves (66).
3. The elastic locking device of a micro printer according to claim 2, characterized in that: The first spring (61) is fixedly connected to the inner wall of the inner groove (5), and the clamping block (63) is movably clamped in the clamping groove (10).
4. The elastic locking device of a micro printer according to claim 2, characterized in that: The toggle plate (65) extends to the outside of the cover body (3) through the slide groove (7), and the toggle plate (65) and the outer surface of the cover body (3) are in contact with each other.
5. The elastic locking device of a micro printer according to claim 1, characterized in that: The locking mechanism (9) comprises a second spring (91), four of which are provided, a locking plate (92) being fixedly mounted on one end of the four second springs (91), a slider (93) being provided at the middle of the upper end and the lower end of the locking plate (92), and two limit grooves (94) being provided at the inner upper wall and the inner lower wall of the placement groove (8).
6. The elastic locking device of a micro printer according to claim 5, characterized in that: The locking plate (92) is slidably installed in two limiting grooves (94) through two sliding blocks (93), and the four second springs (91) are fixedly connected to the inner wall of the placement groove (8).