Printer paper bin with magnetic attraction structure for taximeter

By introducing a magnetic structure into the printing compartment of the taxi meter, the problem of uneven pulling caused by loose latching structure was solved, realizing the stability and flexibility of the paper compartment and improving the efficiency of changing invoice paper.

CN224116991UActive Publication Date: 2026-04-14QINGDAO HENGXING INSTR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

The buckle structure of the existing taxi meter invoice printing compartment is prone to loosening or wear after frequent use, resulting in difficulty in pulling out and affecting replacement efficiency.

Method used

The magnetic structure is adopted. By adding a metal back plate and a magnetic ring to the back of the pull-out paper compartment, the magnetic force is used to achieve a stable lock. The position of the magnetic ring is adjusted by the guide groove and the through groove to ensure the stability and flexibility of the pull-out paper compartment when it is closed.

Benefits of technology

It achieves stable opening and closing of the pull-out paper compartment, avoiding jamming and improving the efficiency and user experience of changing invoice paper.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a taximeter printer paper bin with a magnetic attraction structure, and relates to the technical field of taximeters, the taximeter printer paper bin comprises a box body, a display screen and a drawing paper bin, the display screen and the drawing paper bin are integrated on the left side and the right side of the box body in parallel, the rear end of the drawing paper bin is provided with a bin chamber used for installing a rotating shaft, and printing paper is wound on the rotating shaft; sawtooth patterns are arranged on the top of the front end of the drawing paper bin, a metal back plate is arranged at the bottom of a sliding cavity of the box body and the drawing paper bin, a magnetic attraction ring is additionally arranged on the back of the drawing paper bin through a bolt and a ring sleeve, a magnetic attraction face acting on the metal back plate is arranged on the outer edge of the magnetic attraction ring in the circumferential direction, and a groove used for installing the bolt in a sinking mode is formed in the center of the magnetic attraction ring. The drawing paper bin has the technical advantages that by additionally arranging the metal back plate and the magnetic attraction ring which are magnetically attracted, magnetic attraction locking of the drawing paper bin in the closed state is achieved, and opening and closing of the drawing paper bin are more stable and free of blockage; adjustment of the installation height of the magnetic attraction ring is achieved, and the attraction position between the magnetic attraction ring and the metal back plate can be changed according to actual requirements.
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Description

Technical Field

[0001] This application relates to the field of taxi meter technology, and in particular to a printer paper tray for a taxi meter with a magnetic suction structure. Background Technology

[0002] As an indispensable core device in taxi operations, the taxi meter shoulders a crucial mission. On one hand, it accurately calculates passenger fares by monitoring real-time mileage data, meticulously capturing the distance of each trip, and sensitively sensing waiting time caused by traffic congestion. Based on established fare rules, it converts this data into precise fare figures, ensuring every transaction is based on accurate data calculation. This effectively protects the rights of both passengers and drivers, placing the transaction process entirely within a fair and just framework. On the other hand, the taxi meter also possesses a highly practical and important function—printing invoices. Upon completion of the trip, the meter immediately generates a detailed invoice, clearly listing the start and end times, mileage, and detailed fare information. For business travelers, this invoice serves as crucial proof for expense reimbursement, ensuring smooth and standardized corporate financial processes. For ordinary passengers, the invoice is a complete record of the trip, providing reliable evidence for any subsequent questions or information requiring tracing.

[0003] Invoice rolls need to be replaced promptly after use to ensure normal service flow. Currently, to complete this operation, drivers need to open the existing invoice printing compartment, which generally uses a snap-fit ​​mechanism. In actual roll replacement, this snap-fit ​​mechanism often becomes loose or worn due to frequent use, causing noticeable jamming when pulling out or pushing in, making it difficult to pull out or push in smoothly. Especially during peak hours when passengers are queuing, drivers are in a hurry to replace the rolls, but the difficult-to-pull mechanism wastes a lot of time and energy, greatly affecting work efficiency. Summary of the Invention

[0004] This device provides a paper tray for a fare meter printer with a magnetic suction structure, and the specific implementation method is as follows:

[0005] A printer paper tray for a fare meter with a magnetic suction structure includes:

[0006] The cabinet includes a display screen and a pull-out paper tray integrated on the left and right sides of the cabinet.

[0007] The rear end of the pull-out paper tray has a chamber for installing a rotating shaft, on which printing paper is wound, and the top of the front end of the pull-out paper tray has serrated edges.

[0008] The bottom of the sliding cavity of the box body and the pull-out paper compartment is provided with a metal back plate, and the back of the pull-out paper compartment is equipped with a magnetic ring by bolts and a ring sleeve. The outer edge of the magnetic ring is provided with a magnetic surface acting on the metal back plate in the circumferential direction, and the center of the magnetic ring is provided with a groove for the recessed installation bolt.

[0009] Based on the above technical solution, by adding a metal backplate inside the invoice printing compartment and equipping the corresponding position of the pull-out paper compartment with a magnetic ring, a stable magnetic locking of the pull-out paper compartment is achieved when it is closed. The metal backplate is made of magnetically conductive metal to ensure a stable attraction force with the magnetic ring. Regardless of any bumps or vibrations encountered during vehicle operation, it ensures that the pull-out paper compartment remains tightly closed, effectively preventing accidental opening. A bolt and ring structure is set at the center of the magnetic ring. This structure not only fixes the magnetic ring in the designated position of the pull-out paper compartment, but also avoids the magnetic structure. When the magnetic structure is engaged, the installation structure is recessed, without any protrusions that affect the engagement effect.

[0010] In the sliding cavity of the pull-out paper tray, the installation direction of the metal back plate is perpendicular to the length direction of the sliding cavity, that is, the metal back plate is installed laterally and is perpendicular to the sliding direction of the pull-out paper tray. The area of ​​the metal back plate is larger than the cross-section of the pull-out paper tray. The right angle can reduce the damage to the overall structure of the metal back plate by the magnetic ring during use.

[0011] Preferably, the back of the pull-out paper compartment is provided with a guide groove that slides with the magnetic ring, the magnetic ring is provided with a bolt, and the end of the bolt is threaded into the compartment and connected with a ring sleeve.

[0012] Preferably, the inner side of the guide groove is provided with a guide groove that communicates with the compartment, the guide groove and the guide groove are staggered, and the bolt is slidably connected to the guide groove.

[0013] Based on the above technical solution, by setting guide grooves and through grooves, when installing the magnetic ring, it can be slowly pushed along the track of the guide groove. The walls on both sides of the guide groove can effectively constrain the movement direction of the magnetic ring, avoiding deviation or shaking, and ensuring the accuracy and efficiency of the installation process. By changing the position of the magnetic ring in the guide groove, the installation height of the magnetic ring can be adjusted, thereby accurately changing the attraction position between the magnetic ring and the metal back plate, so as to flexibly and accurately optimize the magnetic locking effect according to actual use needs.

[0014] Preferably, the front panel of the pull-out paper compartment is equipped with a handle.

[0015] Preferably, it also includes a controller electrically connected to the taxi axle sensor, the front panel of the pull-out paper compartment is provided with physical buttons and a speaker, the signal output terminal of the controller is electrically connected to the speaker and the display screen, and the signal input terminal of the controller is electrically connected to the physical buttons.

[0016] Based on the above technical solutions, the physical buttons can be set as a one-way button, an IC button, and a pause button, respectively. The taxi axle sensor is an existing conventional component installed on the car axle, and the display screen is used to display mileage and price.

[0017] Preferably, the side of the pull-out paper compartment is provided with a guide block that connects to the side wall of the sliding cavity in the box.

[0018] Based on the above technical solutions, the stability of the paper tray can be further improved by setting guide blocks, and a concave-convex guide structure can also be set between the paper tray and the bottom of the sliding cavity in the box.

[0019] Preferably, a fan is provided at the top front end of the pull-out paper tray, with the output end of the fan facing vertically toward the bottom of the printing paper.

[0020] Preferably, the front end of the pull-out paper compartment has a built-in power supply, and the front side of the pull-out paper compartment is provided with a charging port.

[0021] In summary, this application includes the following beneficial technical effects:

[0022] 1. In this utility model, by adding a magnetically attracted metal back plate and a magnetic ring, the magnetic locking of the pull-out paper compartment in the closed state is achieved, making the opening and closing of the pull-out paper compartment more stable and without jamming.

[0023] 2. In this utility model, the magnetic ring is installed in a recessed manner by using bolts and a ring sleeve at the center, and this installation structure effectively avoids the magnetic surface of the magnetic ring;

[0024] 3. This utility model has a simple structure. By setting guide grooves and through grooves, the installation height of the magnetic ring can be adjusted, and the attraction position between the magnetic ring and the metal back plate can be changed according to actual needs. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of this utility model;

[0026] Figure 2 This is an exploded view of the magnetic attraction structure in this utility model. Figure 1 ;

[0027] Figure 3 This is an exploded view of the magnetic attraction structure in this utility model. Figure 2 ;

[0028] Figure 4 This is a partial structural diagram of the magnetic ring, bolt, and collar in this utility model. Figure 1 ;

[0029] Figure 5 This is a partial structural diagram of the magnetic ring, bolt, and collar in this utility model. Figure 2 ;

[0030] Figure 6 This is a schematic diagram of the pull-out paper compartment in this utility model.

[0031] Explanation of reference numerals in the attached figures:

[0032] 1. Cabinet, 2. Display screen, 3. Pull-out paper tray, 4. Metal back panel, 5. Shaft, 6. Magnetic ring, 7. Bolt, 8. Ring, 9. Ruler, 10. Printing paper

[0033] 301. Handle; 302. Physical button; 303. Speaker; 304. Guide block; 305. Fan; 306. Charging port; 307. Compartment; 308. Guide groove; 309. Conductive groove; 310. Serrated pattern; 801. Pointer. Detailed Implementation

[0034] The specific embodiments of this utility model are described below with reference to the accompanying drawings and examples:

[0035] It should be noted that the structures, proportions, sizes, etc. shown in the accompanying drawings are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which the present invention can be implemented. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and purposes that the present invention can produce, should still fall within the scope of the technical content disclosed in the present invention.

[0036] Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in this specification are only for clarity of description and are not intended to limit the scope of implementation of this utility model. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered as within the scope of implementation of this utility model.

[0037] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0038] This application discloses a paper tray for a printer with a magnetic suction structure.

[0039] Example 1

[0040] Reference Figures 1 to 6This embodiment discloses a printer paper tray for a fare meter with a magnetic structure, including a controller, a housing 1, and a display screen 2 and a pull-out paper tray 3 integrated on the left and right sides of the housing 1. The rear end of the pull-out paper tray 3 is provided with a chamber 307 for installing a rotating shaft 5. Printing paper 10 is wound on the rotating shaft 5. The front end of the pull-out paper tray 3 is provided with a serrated pattern 310. In this structure, the bottom of the sliding cavity of the housing 1 and the pull-out paper tray 3 is provided with a metal back plate 4, and a magnetic ring 6 is installed on the back of the pull-out paper tray 3 by bolts 7 and a ring 8. The outer edge of the magnetic ring 6 is provided with a magnetic surface acting on the metal back plate 4 in the circumferential direction, and the center of the magnetic ring 6 is provided with a groove for the recessed installation of the bolts 7.

[0041] The side of the pull-out paper tray 3 is provided with a guide block 304 that connects to the side wall of the sliding cavity in the housing 1. The front top of the pull-out paper tray 3 is provided with a fan 305. The output end of the fan 305 faces the bottom of the printing paper 10 vertically. In this structure, the front end of the pull-out paper tray 3 is equipped with a built-in power supply, and the front side of the pull-out paper tray 3 is provided with a charging port 306.

[0042] The back of the pull-out paper compartment 3 is vertically provided with a guide groove 308 that slides in contact with the magnetic ring 6. The magnetic ring 6 is provided with a bolt 7, and the end of the bolt 7 is threaded into the compartment 307 and connected to a ring sleeve 8. In this structure, the inner side of the guide groove 308 is provided with a guide groove 309 that communicates with the compartment 307. There is a staggered layer between the guide groove 308 and the guide groove 309, and the bolt 7 is slidably connected to the guide groove 309. The front panel of the pull-out paper compartment 3 is provided with a handle 301.

[0043] The controller is electrically connected to the taxi axle sensor. The front panel of the pull-out paper tray 3 is equipped with physical buttons 302 and speakers 303. The signal output terminal of the controller is electrically connected to the speakers 303 and the display screen 2, and the signal input terminal of the controller is electrically connected to the physical buttons 302.

[0044] The specific implementation process is as follows: When the printing paper 10 on the rotating shaft 5 is used up, manually pull open the handle 301, and the magnetic principle between the magnetic ring 6 and the metal back plate 4 is activated; after replacing the printing paper 10, the paper tray 3 is magnetically attracted by the magnetic ring 6 and the metal back plate 4; when the magnetic position needs to be adjusted, adjust the positional relationship between the magnetic ring 6, the bolt 7 and the ring 8 along the guide groove 309, and tighten the bolt 7 relative to the ring 8 so that the magnetic ring 6 is highly locked on the paper tray 3.

[0045] Example 2

[0046] Reference Figures 2 to 5Based on Embodiment 1, this embodiment also discloses a printer paper tray for a fare meter with a magnetic structure. A scale 9 is provided on the inner side of the tray 307 and the guide groove 309. A pointer 801 pointing to the scale 9 is provided on the side of the ring 8. In this structure, the staggered vertical structure between the guide groove 308 and the guide groove 309 is set as an inclined structure. The contact position between the magnetic ring 6 and the inclined structure is changed by the bolt 7 and the ring 8. The spacing between the magnetic ring 6 and the metal back plate 4 is adjusted by the inclined surface to achieve the purpose of adjusting the magnetic force after attraction.

[0047] Many other changes and modifications can be made without departing from the concept and scope of this utility model. It should be understood that this utility model is not limited to the specific embodiments, and the scope of this utility model is defined by the appended claims.

Claims

1. A paper tray for a fare meter printer with a magnetic suction structure, characterized in that, include: The box (1) and the display screen (2) and the pull-out paper tray (3) are integrated side by side on the left and right sides of the box (1); The rear end of the pull-out paper tray (3) is provided with a compartment (307) for installing a rotating shaft (5), and printing paper (10) is wound on the rotating shaft (5). The front end of the pull-out paper tray (3) is provided with serrated patterns (310). The bottom of the sliding cavity of the box (1) and the pull-out paper compartment (3) is provided with a metal back plate (4), and the back of the pull-out paper compartment (3) is equipped with a magnetic ring (6) by bolts (7) and a ring (8). The outer edge of the magnetic ring (6) is provided with a magnetic surface acting on the metal back plate (4) along the circumferential direction, and the center of the magnetic ring (6) is provided with a groove for the recessed installation of the bolt (7).

2. The paper tray for a fare meter printer with a magnetic suction structure according to claim 1, characterized in that, The back of the pull-out paper compartment (3) is provided with a guide groove (308) that slides in contact with the magnetic ring (6). The inner side of the magnetic ring (6) is provided with the bolt (7), and the end of the bolt (7) is threaded into the compartment (307) and connected to the ring sleeve (8).

3. The paper tray for a fare meter printer with a magnetic suction structure according to claim 2, characterized in that, The inner side of the guide groove (308) is provided with a guide groove (309) that communicates with the compartment (307). There is a staggered layer between the guide groove (308) and the guide groove (309), and the bolt (7) is slidably connected to the guide groove (309).

4. The paper tray for a fare meter printer with a magnetic suction structure according to claim 1, characterized in that, The front panel of the pull-out paper compartment (3) is provided with a handle (301).

5. The paper tray for a fare meter printer with a magnetic suction structure according to claim 1, characterized in that, It also includes a controller electrically connected to the taxi axle sensor. The front panel of the pull-out paper tray (3) is provided with physical buttons (302) and an audio device (303). The signal output terminal of the controller is electrically connected to the audio device (303) and the display screen (2), and the signal input terminal of the controller is electrically connected to the physical buttons (302).

6. The paper tray for a fare meter printer with a magnetic suction structure according to claim 1, characterized in that, The front end of the pull-out paper tray (3) is provided with a fan (305), and the output end of the fan (305) faces vertically toward the bottom of the printing paper (10).

7. The paper tray for a fare meter printer with a magnetic suction structure according to claim 1, characterized in that, The front end of the pull-out paper compartment (3) is equipped with a power supply, and the front side of the pull-out paper compartment (3) is provided with a charging port (306).

8. The paper tray for a fare meter printer with a magnetic suction structure according to claim 7, characterized in that, The side of the pull-out paper compartment (3) is provided with a guide block (304) that connects with the side wall of the sliding cavity in the box (1).