Label printer

Abstract

The utility model discloses a label printer which comprises a machine shell and a machine core, and the machine shell is provided with a containing space. The machine core is arranged in the containing space and comprises a supporting support and a mounting support, the mounting support is provided with a first clamping protrusion, the supporting support is provided with a guide face and a first clamping groove, the guide face extends to the first clamping groove, and the guide face is used for guiding the first clamping protrusion to slide towards the first clamping groove. And the first clamping bulge slides along the guide surface to be clamped in the first clamping groove, so that the mounting bracket is mounted on the supporting bracket. According to the embodiment, the first clamping protrusion is arranged on the installation support, the guide face and the first clamping groove are arranged on the supporting support, and therefore the installation support can be easily and rapidly assembled and disassembled, and the assembling efficiency of the supporting support and the installation support is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of printers, in particular to a label printer. BACKGROUND

[0002] A label refers to a text, graphic symbol and all instructions on a product, and is widely used in scenarios such as supermarkets, retail, industrial production, express delivery, clothing and office management. In related technologies, a label printer includes a shell and a support, and the support includes a support support and a mounting support. The mounting support is mounted on the support support in a complex manner, usually requiring a large number of screw connections. CONTENT OF THE UTILITY MODEL

[0003] The present application provides a label printer which can simplify the connection mode between the mounting support and the support support.

[0004] The present application provides a label printer, comprising:

[0005] a shell having an accommodation space; and

[0006] a core disposed in the accommodation space, the core including a support support and a mounting support, the mounting support being provided with a first clamping protrusion, the support support being provided with a guide surface and a first clamping groove, the guide surface extending to the first clamping groove, the guide surface being used to guide the first clamping protrusion to slide in the direction of the first clamping groove, so that the first clamping protrusion slides along the guide surface to be clamped in the first clamping groove, thereby enabling the mounting support to be mounted on the support support.

[0007] In some embodiments of the present application, the support support includes two support plates spaced apart along a first direction, and the mounting support is mounted between the two support plates.

[0008] In some embodiments of the present application, the support plate includes a plate body and a protruding structure, the protruding structure is disposed at an end of the plate body, and the end of the plate body is provided with the guide surface, and the first clamping groove is disposed on a side of the protruding structure close to the guide surface.

[0009] In some embodiments of the present application, the first clamping groove has a first opening, and the first opening is used for the first clamping protrusion to enter and exit the first clamping groove.

[0010] The guide surface includes a connected guide inclined surface and a guide flat surface, the guide inclined surface is disposed opposite the first opening, and the guide flat surface extends from the bottom end of the guide inclined surface to the first clamping groove.

[0011] In some embodiments of the present application, the support plate is provided with a positioning hole, the mounting bracket is provided with a positioning column corresponding to the position of the positioning hole, and the positioning column is inserted into the positioning hole when the first clamping convex is clamped in the first clamping groove.

[0012] In some embodiments of the present application, the mounting bracket comprises two mounting side plates arranged in the first direction, the mounting side plates are parallel to the support plate and in contact with the inner side of the support plate, and the positioning column is arranged on the side of the mounting side plate close to the support plate.

[0013] In some embodiments of the present application, the hole axis of the positioning hole extends in the first direction.

[0014] In some embodiments of the present application, the mounting bracket comprises a reinforcing side plate, the reinforcing side plate extends in the first direction, and the opposite ends of the reinforcing side plate are provided with a second clamping convex, the support plate is provided with a second clamping groove corresponding to the second clamping convex, and the second clamping convex is clamped in the second clamping groove when the mounting bracket is mounted on the support bracket.

[0015] In some embodiments of the present application, the opening direction of the first clamping groove is the same as the opening direction of the second clamping groove, the first clamping groove and the second clamping groove are arranged in a second direction, and the second direction is perpendicular to the first direction.

[0016] In some embodiments of the present application, the first clamping groove and the second clamping groove are arranged in a third direction, and the third direction is perpendicular to the first direction and the second direction.

[0017] In some embodiments of the present application, the core further comprises a paper bin assembly for accommodating label paper, the paper bin assembly is connected with the support bracket, the mounting bracket comprises a channel portion arranged close to the paper bin assembly, and the channel portion and part of the paper bin assembly jointly form a paper feeding channel for the label paper to feed.

[0018] In some embodiments of the present application, the opposite sides of the channel portion are provided with a step structure, and the step structure is matched and clamped with the end portion of the support bracket.

[0019] In some embodiments of the present application, the label printer further comprises a light guide arranged in the channel portion, the light guide has an incident end and an emission end, and the incident end and the emission end are located on the side of the channel portion facing the paper feeding channel.

[0020] In some embodiments of the present application, the side of the mounting bracket facing the shell has a circuit board mounting position, and the circuit board mounting position is provided with a fixing member for fixing a circuit board.

[0021] In some embodiments of the present application, the label printer further comprises:

[0022] A flip cover assembly is rotatably connected to the casing through a rotating shaft;

[0023] A transmission assembly is arranged on the mounting bracket, and is used to be connected to one side of the flip cover assembly away from the rotating shaft to control the rotation of the flip cover assembly.

[0024] Based on the label printer in the embodiments of the present application, the guide surface on the support bracket can provide a guide function for the installation process of the mounting bracket to ensure the accuracy of the installation process. The design of the guide surface on the support bracket not only simplifies the installation operation process of the mounting bracket, but also reduces the installation error of the mounting bracket. The mounting bracket is clamped on the first clamping groove through the first clamping convex to fix the mounting bracket on the support bracket, realizing the quick installation of the mounting bracket, wherein the use of screws is reduced, thereby simplifying the installation process of the mounting bracket and helping to improve the assembly efficiency of the support bracket and the mounting bracket. In the embodiments, the first clamping convex is arranged on the mounting bracket, and the guide surface and the first clamping groove are arranged on the support bracket, thereby facilitating the simple and quick installation and disassembly of the mounting bracket and improving the assembly efficiency of the support bracket and the mounting bracket. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0026] Figure 1 FIG. 1 is a structural schematic diagram of a label printer in an embodiment of the present application;

[0027] Figure 2 FIG. 2 is an exploded structural schematic diagram of the label printer in the embodiment of the present application;

[0028] Figure 3 FIG. 3 is a structural schematic diagram of a machine core in an embodiment of the present application;

[0029] Figure 4 FIG. 4 is a first perspective structural schematic diagram of a support bracket and a mounting bracket in an embodiment of the present application;

[0030] Figure 5 FIG. 5 is a second perspective structural schematic diagram of the support bracket and the mounting bracket in the embodiment of the present application; Figure 4 FIG. 6 is an enlarged structural schematic diagram of position A in FIG. 5;

[0031] Figure 6Second perspective view of the support bracket and the mounting bracket in an embodiment of the present application;

[0032] Figure 7 For Figure 6 Enlarged view of the structure at B.

[0033] Reference signs:

[0034] 100, label printer;

[0035] 1, housing; 10, accommodation space;

[0036] 2, movement; 20, support bracket; 21, guide surface; 211, guide inclined surface; 212, guide flat surface; 22, first clamping groove; 23, support plate; 231, plate body; 232, protruding structure; 233, positioning hole; 234, second clamping groove; 30, mounting bracket; 31, first clamping protrusion; 32, mounting side plate; 33, reinforcing side plate; 34, second clamping protrusion; 35, passage portion; 351, step structure; 36, circuit board mounting position; 361, fixing member; 40, circuit board; 50, paper hopper assembly;

[0037] 3, light guide; 4, flip cover assembly; 5, transmission assembly;

[0038] L1, first direction. DETAILED DESCRIPTION

[0039] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related art, the following will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0040] In the related art, the label printer includes a housing and a bracket, the bracket includes a support bracket and a mounting bracket, the support bracket is used to maintain the shape, and the mounting bracket is used to provide a mounting position for the parts inside the printer. However, the way of mounting the mounting bracket on the support bracket is relatively complex, and usually requires a large number of screw connections.

[0041] In view of the above situation, please refer to Figures 1-2 The present application provides a label printer 100, which is used to print characters on label paper, and includes a housing 1 and a movement 2.

[0042] As Figures 2-5As shown, the casing 1 has a containing space 10; the movement 2 is arranged in the containing space 10, the movement 2 comprises a supporting bracket 20 and a mounting bracket 30, the mounting bracket 30 is provided with a first clamping convex 31, the supporting bracket 20 is provided with a guide surface 21 and a first clamping groove 22, the guide surface 21 extends to the first clamping groove 22, the guide surface 21 is used to guide the first clamping convex 31 to slide to the direction of the first clamping groove 22, so that the first clamping convex 31 slides along the guide surface 21 to be clamped in the first clamping groove 22, and then the mounting bracket 30 is mounted on the supporting bracket 20. Through the design, the installation process is simplified, the use of screws is reduced, and the assembly efficiency is improved. The precise matching of the first clamping convex 31 and the first clamping groove 22 ensures the stability of the mounting bracket 30, and facilitates disassembly and maintenance, prolonging the service life of the equipment.

[0043] Specifically, the casing 1 provides a setting basis and mounting space for the movement 2, effectively protects the movement 2 arranged inside, the guide surface 21 on the supporting bracket 20 can provide a guiding effect for the mounting process of the mounting bracket 30 to ensure the accuracy of the mounting process, and the design of the guide surface 21 on the supporting bracket 20 not only can simplify the mounting operation process of the mounting bracket 30, but also can reduce the mounting error of the mounting bracket 30. The mounting bracket 30 is clamped in the first clamping groove 22 through the first clamping convex 31 to fix the mounting bracket 30 on the supporting bracket 20, realizing the quick installation of the mounting bracket 30, wherein the use of screws is reduced, so that the installation process of the mounting bracket 30 can be simplified, which helps to improve the assembly efficiency of the supporting bracket 20 and the mounting bracket 30. In the embodiment of the application, the first clamping convex 31 is arranged on the mounting bracket 30, and the guide surface 21 and the first clamping groove 22 are arranged on the supporting bracket 20, so as to facilitate the simple and quick installation and disassembly of the mounting bracket 30, and improve the assembly efficiency of the supporting bracket 20 and the mounting bracket 30.

[0044] It should be noted that the strength of the supporting bracket 20 is greater than that of the mounting bracket 30 to ensure the stability and durability of the overall structure, the mounting bracket 30 can be made of a lightweight material such as hard plastic to reduce the weight of the overall structure while maintaining the necessary load-bearing capacity; the supporting bracket 20 can be made of a high-strength material such as a metal material, so that the supporting bracket 20 has a large strength and can be guaranteed not to be deformed for a long time.

[0045] It also needs to be explained that the movement core 2 also includes a circuit board 40, a sensor assembly, a battery, a paper bin assembly 50 and the like. The circuit board 40 serves as the control center of the label printer 100 and can be used to control the printing work of the printing assembly. The battery is electrically connected with the circuit board 40 and the sensor assembly for power supply. The sensor assembly can monitor the printing state of the label paper in real time to improve the printing precision. The paper bin assembly 50 can be used to accommodate the label paper. The support bracket 20 and the mounting bracket 30 can provide a setting basis for other structures in the movement core 2. The battery and the paper bin assembly 50 can be arranged on the support bracket 20, and the circuit board 40 can be arranged on the mounting bracket 30, so that the overall structure is compact and the space utilization in the machine shell 1 is optimized.

[0046] The support bracket 20 can be provided with a plurality of mounting holes for fixing the battery and the paper bin assembly 50. The design of the mounting holes can be adjusted according to the specific size of the battery and the paper bin assembly 50 to ensure firm fixation and avoid displacement during use, thereby further improving the stability and reliability of the equipment. Meanwhile, a plurality of avoiding holes can be formed on the support bracket 20 to optimize the heat dissipation effect of the support bracket 20 and reduce the structural weight of the support bracket 20.

[0047] As shown in Figure 4 some embodiments, the mounting bracket 30 has a circuit board mounting position 36 on the side facing the machine shell 1. The circuit board mounting position 36 is provided with a fixing member 361 for fixing the circuit board 40. For example, the fixing member 361 can include a plurality of buckle structures and a plurality of screws. The buckle structures are used to quickly lock the circuit board 40, and the screws are used to provide additional fixation for the circuit board 40. The double fixation by the buckle structures and the screws in the present embodiment can improve the firmness and stability of the fixation of the circuit board 40 and ensure that the label printer 100 can maintain a relatively stable working state in various environments.

[0048] Please refer to Figures 4-5 In some embodiments of the present application, the support bracket 20 includes two support plates 23 spaced apart along the first direction L1, and the mounting bracket 30 is mounted between the two support plates 23. Through this design, the stability of the overall structure is enhanced, and the layout of the internal space is further optimized, so that the layout between the components is more compact.

[0049] Further, as shown in Figure 5 the support plate 23 includes a plate body 231 and a protruding structure 232. The protruding structure 232 is arranged at the end of the plate body 231, and the end of the plate body 231 is provided with a guide surface 21. A first clamping groove 22 is arranged on the side of the protruding structure 232 close to the guide surface 21. The guide surface 21 cooperates with the first clamping groove 22 to ensure the accurate positioning of the mounting bracket 30 and improve the mounting efficiency of the mounting bracket 30.

[0050] Furthermore, such as Figure 5 As shown, the first slot 22 has a first opening for the first card protrusion 31 to enter and exit the first slot 22; the guide surface 21 includes a guide slope 211 and a guide plane 212 connected together, the guide slope 211 is disposed opposite to the first opening, and the guide plane 212 extends from the bottom end of the guide slope 211 toward the first slot 22.

[0051] Specifically, during the installation process of the mounting bracket 30, the first latching protrusion 31 can first contact the guide slope 211 and slide along the guide slope 211 onto the guide plane 212, and continue to slide to smoothly pass through the first opening and enter the first latching groove 22, thereby achieving precise docking and positioning of the mounting bracket 30 and the support bracket 20, avoiding installation errors, and further improving the stability and ease of installation of the mounting bracket 30. In other words, the design of the guide slope 211 enables the mounting bracket 30 to automatically correct its position during insertion. The guide plane 212 extends from the guide slope 211 to the first latching groove 22, which can define the sliding path for the first latching protrusion 31, thereby reducing installation errors for the mounting bracket 30 and simplifying the installation process of the mounting bracket 30 and the support bracket 20.

[0052] The guide surfaces 21 on the two support plates 23 can have the same or different structures. For example, the guide surface 21 on one support plate 23 can be a combination of guide ramp 211 and guide plane 212, while the guide surface 21 on the other support plate 23 can only be a guide plane 212. This differentiated design can be flexibly adjusted according to actual installation requirements, which not only ensures the accuracy of installation but also improves the adaptability of the structure, further optimizing the installation efficiency and stability of the mounting bracket 30.

[0053] For example, such as Figure 4 In the structure, the mounting bracket 30 is installed between two support plates 23, and the two support plates 23 can limit the mounting bracket 30 in the first direction L1; the first slot 22 is located on the side adjacent to the protrusion structure 232 and the guide surface 21. When the first protrusion 31 is engaged with the first slot 22, the support bracket 20 can limit the mounting bracket 30 in the vertical direction, thereby ensuring that the mounting bracket 30 can remain stable when subjected to external impact.

[0054] Please see Figure 4 In some embodiments of this application, the support plate 23 is provided with a positioning hole 233, and the mounting bracket 30 is provided with a positioning post (not shown in the figure) corresponding to the position of the positioning hole 233. When the first locking protrusion 31 is engaged with the first locking groove 22, the positioning post is inserted into the positioning hole 233.

[0055] It is understandable that the precise fit between the positioning post and the positioning hole 233 can limit the mounting bracket 30 in multiple directions, ensuring its stability in multi-dimensional space, further enhancing the overall stability of the mounting bracket 30, effectively preventing displacement caused by external forces, and ensuring safe and reliable equipment operation. Specifically, during the installation of the mounting bracket 30 onto the support bracket 20, the positioning post can be inserted into the positioning hole 233 through the elastic deformation of the support bracket 20; alternatively, after the mounting bracket 30 is installed onto the support bracket 20, the positioning post can be inserted into the positioning hole 233 by rotation. This embodiment does not specifically limit this.

[0056] Furthermore, such as Figures 4-5 As shown, the mounting bracket 30 includes two mounting side plates 32 arranged at intervals along the first direction L1. The mounting side plates 32 are parallel to the support plate 23 and contact the inner side of the support plate 23. The positioning post is disposed on the side of the mounting side plate 32 close to the support plate 23.

[0057] Specifically, the mounting side plate 32 and the support plate 23 are fitted together, thereby improving the connection stability between the mounting side plate 32 and the support plate 23. Furthermore, the hole axis of the positioning hole 233 extends along the first direction L1 to ensure the precise insertion of the positioning hole 233, enhance the overall rigidity of the structure, prevent the mounting bracket 30 from loosening, and improve the reliability of the mounting bracket 30 in complex environments.

[0058] Please continue reading Figure 4 In some embodiments of this application, the mounting bracket 30 includes a reinforcing side plate 33, which extends along the first direction L1, and each end of the reinforcing side plate 33 is provided with a second latching protrusion 34. The support plate 23 is also provided with a second latching groove 234 corresponding to the second latching protrusion 34. When the mounting bracket 30 is installed on the support bracket 20, the second latching protrusion 34 is engaged with the second latching groove 234.

[0059] Specifically, the reinforcing side plate 33 is disposed between the two mounting side plates 32. The reinforcing side plate 33 can enhance the structural strength of the mounting bracket 30, and the second latching protrusion 34 and the second latching groove 234 are engaged to form a double limiting mechanism, thereby improving the connection stability between the mounting bracket 30 and the support bracket 20.

[0060] Furthermore, such as Figure 4 As shown, the opening orientation of the first slot 22 is the same as that of the second slot 234, thereby ensuring that the mounting bracket 30 forms synchronous limiting at the first slot 22 and the second slot 234. The first slot 22 and the second slot 234 are spaced apart in the second direction, which is perpendicular to the first direction L1, further enhancing the stability of the mounting bracket 30 in multi-dimensional space and effectively preventing displacement caused by external forces.

[0061] For example, the first direction L1 is the width direction of the support bracket 20. At this time, the second direction can be the length direction or the height direction of the support bracket 20. Therefore, the first slot 22 and the second slot 234 can be spaced apart in the separate length direction or height direction, which effectively ensures the connection stability of the mounting bracket 30.

[0062] Furthermore, the first slot 22 and the second slot 234 are spaced apart in a third direction, which is perpendicular to both the first direction L1 and the second direction. It can be understood that the first direction L1, the second direction, and the third direction together form a three-dimensional coordinate system, thereby creating a three-dimensional limiting structure and further enhancing the stability of the mounting bracket 30.

[0063] In some embodiments of this application, such as Figure 2 As shown, the mechanism 2 also includes a paper tray assembly 50 for receiving label paper, and the paper tray assembly 50 is connected to the support bracket 20; as Figure 6 As shown, the mounting bracket 30 includes a channel portion 35 located near the paper tray assembly 50. The channel portion 35 and part of the paper tray assembly 50 together form a paper feeding channel for label paper feeding. The channel portion 35 can provide support and guidance for the label paper to ensure smooth output of the label paper.

[0064] In some embodiments, such as Figures 6-7 As shown, stepped structures 351 are provided on both opposite sides of the channel portion 35. The stepped structures 351 engage with the ends of the support bracket 20, thereby increasing the contact area between the mounting bracket 30 and the support bracket 20 and improving the structural stability between the channel portion 35 and the support bracket 20. The stepped structures 351 on the channel portion 35 can also engage with the top of the protruding structure 232.

[0065] Please see Figure 6 In some embodiments of this application, the label printer 100 further includes a light guide 3 disposed in the channel portion 35. The light guide 3 has an incident end and an exit end, both of which are located on the side of the channel portion 35 facing the paper feeding channel.

[0066] Specifically, the incident end of the light guide 3 can receive light emitted by the light emitter, and the emitting end of the light guide 3 can project light to the light receiver for identifying gaps in the label paper to ensure clear printing. The light guide 3 can be made of a high-transmittance material to ensure efficient light transmission.

[0067] Please see Figures 1-2In some embodiments of this application, the label printer 100 further includes a flip cover assembly 4 and a transmission assembly 5. The flip cover assembly 4 is rotatably connected to the housing 1 via a rotating shaft. The transmission assembly 5 is disposed on the mounting bracket 30 and is used to connect to the side of the flip cover assembly 4 away from the rotating shaft to control the rotation and opening of the flip cover assembly 4.

[0068] Specifically, the flip-top assembly 4 is positioned corresponding to the paper tray assembly 50. The opening angle of the flip-top assembly 4 relative to the housing 1 is adjustable to ensure that label paper can smoothly enter and exit the paper tray assembly 50. In some embodiments, the transmission assembly 5 includes a transmission member and a return spring. One end of the transmission member is connected to the return spring, and the other end of the transmission member is connected to the flip-top assembly 4. The return spring provides a restoring force to the transmission member, ensuring that the transmission member automatically resets after the flip-top assembly 4 is opened. The housing 1 is provided with an opening button, which corresponds to the end of the transmission member near the return spring. When the opening button is pressed, a force is applied to the transmission member, compressing the return spring at one end and releasing the other end of the transmission member from the flip-top assembly 4, thereby causing the flip-top assembly 4 to rotate around the pivot, realizing the opening and closing of the flip-top assembly 4. When the opening button is released, the force on the transmission member disappears, and the transmission member resets under the elastic force of the return spring.

[0069] 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 application, it should be understood that if terms such as "upper," "lower," "left," "right," etc., 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 application and simplifying the description, and do not indicate or imply that the components or elements 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 application. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0070] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A label printer, characterized in that, include: The casing provides storage space; and, The movement is disposed within the receiving space. The movement includes a support bracket and a mounting bracket. The mounting bracket has a first latching protrusion. The support bracket has a guide surface and a first latching groove. The guide surface extends to the first latching groove and is used to guide the first latching protrusion to slide towards the first latching groove, so that the first latching protrusion slides along the guide surface until it engages with the first latching groove, thereby allowing the mounting bracket to be mounted on the support bracket.

2. The label printer according to claim 1, characterized in that, The support bracket includes two support plates arranged at intervals along a first direction, and the mounting bracket is installed between the two support plates.

3. The label printer according to claim 2, characterized in that, The support plate includes a plate body and a protruding structure. The protruding structure is disposed at the end of the plate body, and the end of the plate body is provided with the guide surface. The first slot is disposed on the side of the protruding structure near the guide surface.

4. The label printer according to claim 3, characterized in that, The first card slot has a first opening, which is used for the first card to protrude into and out of the first card slot; The guide surface includes a connected guide ramp and a guide plane. The guide ramp is disposed opposite to the first opening, and the guide plane extends from the bottom end of the guide ramp toward the first slot.

5. The label printer according to claim 2, characterized in that, The support plate is provided with positioning holes, and the mounting bracket is provided with positioning posts corresponding to the positions of the positioning holes. When the first card protrusion is engaged with the first card slot, the positioning post is inserted into the positioning hole.

6. The label printer according to claim 5, characterized in that, The mounting bracket includes two mounting side plates arranged at intervals along the first direction. The mounting side plates are parallel to the support plate and contact the inner side of the support plate. The positioning post is disposed on the side of the mounting side plate near the support plate.

7. The label printer according to claim 6, characterized in that, The axial direction of the positioning hole extends along the first direction.

8. The label printer according to claim 2, characterized in that, The mounting bracket includes a reinforcing side plate that extends along the first direction and has a second latching protrusion at each of its opposite ends. The support plate has a second latching groove corresponding to the second latching protrusion. When the mounting bracket is installed on the support bracket, the second latching protrusion engages with the second latching groove.

9. The label printer according to claim 8, characterized in that, The opening orientation of the first card slot is the same as that of the second card slot, and the first card slot and the second card slot are spaced apart in a second direction, which is perpendicular to the first direction.

10. The label printer according to claim 9, characterized in that, The first card slot and the second card slot are spaced apart in a third direction, and the third direction is perpendicular to both the first direction and the second direction.

11. The label printer according to claim 1, characterized in that, The mechanism also includes a paper tray assembly for receiving label paper. The paper tray assembly is connected to the support bracket. The mounting bracket includes a channel portion disposed near the paper tray assembly. The channel portion and a portion of the paper tray assembly together form a paper feeding channel for feeding the label paper.

12. The label printer according to claim 11, characterized in that, Both sides of the channel section are provided with stepped structures, which are engaged with the ends of the support bracket.

13. The label printer according to claim 11, characterized in that, The label printer further includes a light guide disposed in the channel section, the light guide having an incident end and an exit end, both the incident end and the exit end being located on the side of the channel section facing the paper feeding channel.

14. The label printer according to claim 1, characterized in that, The mounting bracket has a circuit board mounting position on the side facing the housing, and the circuit board mounting position is provided with a fastener for fixing the circuit board.

15. The label printer according to claim 1, characterized in that, The label printer also includes: The flip-top assembly is rotatably connected to the housing via a pivot. A transmission assembly is disposed on the mounting bracket. The transmission assembly is used to connect to the side of the flip cover assembly away from the rotating shaft to control the rotation and opening of the flip cover assembly.

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