Paper bin cover opening and closing structure of printer

Abstract

The utility model relates to the technical field of printer paper bins, and discloses a printer paper bin cover opening and closing structure, a touch switch is arranged above the front side of a printer shell, the front side of the printer shell is connected with a front cover plate through a shaft, a paper bin body is installed in the printer shell, and one side of the paper bin body is provided with an opening and closing assembly; the output shaft of the servo motor drives the shifting rod to rotate clockwise, one end of the shifting rod drives the pulling plate to move on one side of the paper bin body, the inner side of the groove body abuts against the interior of the protruding column, at the moment, the limiting buckle rotates with the rotating shaft as the circle center, the clamping groove is separated from the outer side of the connecting shaft of the roller body, and at the moment, the front cover plate can be automatically opened; manual opening by a person is not needed, the use convenience of a user is improved, the situation that parts of the printer are damaged due to excessive force or improper operation of the user is avoided, and the service life of the printer is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of printer paper bins, in particular to a paper bin cover opening and closing structure of a printer. Background Art

[0002] A printer is one of the output devices of a computer, used to print the results of computer processing on relevant media. There are three indicators to measure the quality of a printer: print resolution, print speed and noise. There are many types of printers. According to whether the printing element has an impact action on the paper, they are divided into impact printers and non-impact printers. According to the structure of printed characters, they are divided into full-width character printers and dot matrix character printers. According to the way a line of characters is formed on paper, they are divided into serial printers and line printers. According to the technology used, there are cylindrical, spherical, inkjet, thermal, laser, electrostatic, magnetic, light-emitting diode and other printers.

[0003] The paper bin cover of a traditional printer is usually connected by a snap-on connection, and needs to be opened manually when replacing the printing paper, which is inconvenient. Moreover, when the user uses too much force or operates improperly, it may cause damage to the printer parts and reduce the service life of the printer. Therefore, a paper bin cover opening and closing structure for a printer is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a paper bin cover opening and closing structure for a printer, so as to solve the problem in the above background technology that the paper bin cover of a traditional printer is usually connected by a snap, and needs to be opened manually when replacing the printing paper, which is inconvenient. Moreover, when the user uses too much force or improperly operates, it may cause damage to the printer parts and reduce the service life of the printer.

[0005] To achieve the above object, the utility model provides the following technical solution: a paper bin cover opening and closing structure of a printer, comprising a printer housing, a touch switch is arranged on the upper front side of the printer housing, a front cover is connected to the front side of the printer housing through a shaft, a paper bin body is installed inside the printer housing, and an opening and closing component is arranged on one side of the paper bin body;

[0006] The opening and closing assembly includes a lever, a pull plate and a positioning column, the lever is installed on one side of the paper bin body, the pull plate is slidably connected to one side of the paper bin body, one end of the pull plate is movably sleeved on the outer end of the lever, a long through groove is opened on one side of the pull plate, the positioning column is fixedly connected to one side of the paper bin body, the positioning column is located inside the long through groove, one end of the pull plate is provided with a groove body, the top of the paper bin body is rotatably connected with a rotating shaft, the outer ends of the rotating shaft are movably sleeved with limiting buckles, a slot is provided on the limiting buckle, one end of one side of the limiting buckle is fixedly connected with a convex column, the convex column is located inside the slot, and a roller body is installed on the front cover plate.

[0007] Preferably, a first torsion spring is movably sleeved on the outer side of the rotating shaft, one end of the first torsion spring is fixedly connected to the paper bin body, and the other end of the first torsion spring is fixedly connected to the outer side of the rotating shaft.

[0008] Preferably, a through hole is provided on the rear side of the printer housing, and one end of the lever extends to the outside of the printer housing through the through hole.

[0009] Preferably, a servo motor is installed inside the printer housing, and an output shaft of the servo motor is fixedly connected to one side of the lever.

[0010] Preferably, the rear side of the printer housing is connected with a rear cover via a buckle.

[0011] Preferably, a top column is movably penetrated through the front side of the paper bin body, a telescopic spring is movably sleeved on the outer side of the top column, one end of the telescopic spring is fixedly connected to the outer side of the top column, and the other end of the telescopic spring is fixedly connected to one side of the paper bin body.

[0012] Preferably, the shaft sleeve of the front cover is connected with a second torsion spring, and one end of the second torsion spring abuts against one side of the paper bin body.

[0013] Preferably, the electrical output end of the touch switch is connected to the electrical input end of the servo motor, and the connecting shaft of the roller body is clamped in the inside of the clamping slot.

[0014] Compared with the prior art, the utility model adopts the above technical solution and has the following technical effects:

[0015] 1. The output shaft of the servo motor of the utility model drives the lever to rotate clockwise, and one end of the lever drives the pull plate to move on one side of the paper bin body, and the inner side of the slot body contacts the inside of the convex column. At this time, the limit buckle rotates with the rotating shaft as the center of the circle, so that the slot is separated from the outer side of the connecting shaft of the roller body. At this time, the front cover will open automatically without manual opening, which improves the convenience of users, and will not cause damage to the printer parts due to excessive force or improper operation by users, thereby extending the service life of the printer;

[0016] 2. The utility model removes the rear cover by pulling the bottom of the rear cover, at which time the lever is exposed on the outside of the printer housing, and then by pressing down one end of the lever, the other end of the lever drives the pull plate to move, so that the front cover is automatically opened, which can solve the problem that the front cover cannot be opened when the printer is jammed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the lever structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the rotating shaft structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the tank structure of the utility model;

[0022] Figure 5 It is a schematic diagram of the right side cross-sectional structure of the front cover of the utility model;

[0023] Figure 6 This is a schematic diagram of the front cover structure of the utility model;

[0024] Figure 7 It is a schematic diagram of the rear cover structure of the utility model.

[0025] Explanation of the reference numerals in the accompanying drawings: 1. Printer housing; 2. Touch switch; 3. Front cover; 4. Paper bin body; 5. Lever; 6. Pull plate; 7. Long through slot; 8. Positioning column; 9. Slot body; 10. Rotating shaft; 11. Limiting buckle; 12. Boss; 13. Slot; 14. First torsion spring; 15. Servo motor; 16. Rear cover; 17. Roller body; 18. Top column; 19. Telescopic spring; 20. Second torsion spring. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0028] Example

[0029] See also Figure 1-7 The utility model provides a technical solution: a paper bin cover opening and closing structure of a printer, comprising a printer housing 1, a touch switch 2 is arranged on the upper front side of the printer housing 1, a front cover plate 3 is connected to the front side of the printer housing 1 through an axis, a paper bin body 4 is installed inside the printer housing 1, and an opening and closing component is arranged on one side of the paper bin body 4.

[0030] By setting up the opening and closing component, there is no need for personnel to open it manually, which improves the convenience of use for users, and will not cause damage to the printer parts due to excessive force or improper operation by the user, thereby extending the service life of the printer; the opening and closing component includes a lever 5, a pull plate 6 and a positioning column 8, the lever 5 is installed on one side of the paper bin body 4, the pull plate 6 is slidably connected to one side of the paper bin body 4, one end of the pull plate 6 is movably sleeved on the outer end of the lever 5, a long through groove 7 is provided on one side of the pull plate 6, the positioning column 8 is fixedly connected to one side of the paper bin body 4, the positioning column 8 is located inside the long through groove 7, one end of the pull plate 6 is provided with a slot body 9, and the top of the paper bin body 4 is rotatably connected to The rotating shaft 10 has limit buckles 11 movably sleeved at both ends of the outer side of the rotating shaft 10, and a slot 13 is provided on the limit buckle 11. A boss 12 is fixedly connected to one end of one side of the limit buckle 11, and the boss 12 is located inside the slot 13. A roller body 17 is installed on the front cover 3, and the connecting shaft of the roller body 17 is clamped inside the slot 13; the pull plate 6 is driven to move on one side of the paper bin body 4 by one end of the lever 5, and the inner side of the groove body 9 abuts against the inside of the boss 12. At this time, the limit buckle 11 rotates with the rotating shaft 10 as the center, so that the slot 13 is separated from the outer side of the connecting shaft of the roller body 17. At this time, the front cover 3 will open automatically without manual opening.

[0031] The outer side of the rotating shaft 10 is movably sleeved with a first torsion spring 14, one end of the first torsion spring 14 is fixedly connected to the paper bin body 4, and the other end of the first torsion spring 14 is fixedly connected to the outer side of the rotating shaft 10. When the limit buckle 11 rotates with the rotating shaft 10 as the center, the first torsion spring 14 is in a power storage state. When the connecting shaft of the roller body 17 is out of the slot 13, the first torsion spring 14 can drive the limit buckle 11 on the rotating shaft 10 to reset, so as to facilitate the closing of the front cover 3 and fix its position; the front side of the paper bin body 4 is movably penetrated by a top column 18, and the outer side of the top column 18 The side movable sleeve is connected with a telescopic spring 19, one end of the telescopic spring 19 is fixedly connected to the outer side of the top column 18, by setting the telescopic spring 19, the telescopic spring 19 will drive the top column 18 to reset, thereby pushing the front cover 3 to open automatically; the other end of the telescopic spring 19 is fixedly connected to one side of the paper bin body 4, and the shaft sleeve of the front cover 3 is connected with a second torsion spring 20, one end of the second torsion spring 20 is in contact with one side of the paper bin body 4; when the front cover 3 is opened, the second torsion spring 20 can support the front cover 3 to prevent the front cover 3 from falling directly and preventing the front cover 3 from colliding with the desktop.

[0032] A servo motor 15 is installed inside the printer housing 1. The output shaft of the servo motor 15 is fixedly connected to one side of the lever 5. The electrical output end of the touch switch 2 is connected to the electrical input end of the servo motor 15. By touching the touch switch 2, the touch switch 2 controls the servo motor 15 to start, and the output shaft of the servo motor 15 drives the lever 5 to rotate clockwise.

[0033] In order to prevent the front cover 3 from being unable to open, a through hole is opened on the rear side of the printer housing 1, and one end of the lever 5 extends to the outside of the printer housing 1 through the through hole. The rear side of the printer housing 1 is connected with the rear cover 16 through a buckle; the rear cover 16 is disassembled by pulling the bottom of the rear cover 16, and the lever 5 is exposed to the outside of the printer housing 1. Then, by pressing down one end of the lever 5, the other end of the lever 5 drives the pull plate 6 to move, and the front cover 3 is automatically opened, which can solve the problem that the front cover 3 cannot be opened when the printer is jammed.

[0034] Working principle or structural principle, when the front cover 3 needs to be opened, by touching the touch switch 2, the touch switch 2 controls the servo motor 15 to start, and the output shaft of the servo motor 15 drives the lever 5 to rotate clockwise, and one end of the lever 5 drives the pull plate 6 to move on one side of the paper bin body 4. Through the setting of the long through groove 7 and the positioning column 8, the moving position of the pull plate 6 can be limited. In this process, the inner side of the groove body 9 abuts against the inside of the convex column 12. At this time, the limit buckle 11 rotates with the rotating shaft 10 as the center, and the first torsion spring 14 is in a power storage state, so that the slot 13 is disengaged. The outer side of the connecting shaft of the roller body 17, the front cover 3 will be automatically opened at this time, and there is no need for manual opening by personnel, which is more time-saving and labor-saving, and the second torsion spring 20 can support the front cover 3 to prevent the front cover 3 from falling directly and colliding with the desktop. When the connecting shaft of the roller body 17 is out of the card slot 13, the first torsion spring 14 can drive the limit buckle 11 on the rotating shaft 10 to reset, so as to facilitate the closing of the front cover 3 and fix its position, and the telescopic spring 19 will drive the top column 18 to reset, thereby pushing the front cover 3 to open automatically;

[0035] When the touch switch 2 cannot open the front cover 3, the rear cover 16 is disassembled by pulling the bottom of the rear cover 16. At this time, the lever 5 is exposed to the outside of the printer housing 1, and then one end of the lever 5 is pressed down to make the other end of the lever 5 drive the pull plate 6 to move, and the inner side of the groove body 9 abuts against the inside of the protrusion 12. At this time, the limit buckle 11 rotates with the rotating shaft 10 as the center, and the first torsion spring 14 is in a force storage state, so that the slot 13 is separated from the outer side of the connecting shaft of the roller body 17. At this time, the front cover 3 will open automatically, which can solve the problem that the front cover 3 cannot be opened when the printer is jammed.

[0036] Those skilled in the art will appreciate that the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways without departing from the spirit and teachings of the present invention. All of these combinations and / or combinations fall within the scope of the present invention.

Claims

1. A paper bin cover opening and closing structure for a printer, comprising a printer housing (1), characterized in that: A touch switch (2) is arranged on the upper front side of the printer housing (1); a front cover plate (3) is connected to the front side of the printer housing (1) via a shaft; a paper bin body (4) is installed inside the printer housing (1); and an opening and closing component is arranged on one side of the paper bin body (4); The opening and closing assembly comprises a lever (5), a pull plate (6) and a positioning column (8); the lever (5) is mounted on one side of the paper bin body (4); the pull plate (6) is slidably connected to one side of the paper bin body (4); one end of the pull plate (6) is movably sleeved on the outer end of the lever (5); a long through groove (7) is provided on one side of the pull plate (6); the positioning column (8) is fixedly connected to one side of the paper bin body (4); the positioning column (8) is located inside the long through groove (7). A groove body (9) is provided at one end of the pull plate (6), a rotating shaft (10) is rotatably connected to the top of the paper bin body (4), the outer ends of the rotating shaft (10) are movably sleeved with limit buckles (11), a groove (13) is provided on the limit buckle (11), one end of one side of the limit buckle (11) is fixedly connected with a convex column (12), the convex column (12) is located inside the groove (13), and a roller body (17) is installed on the front cover plate (3).

2. The paper bin cover opening and closing structure of a printer according to claim 1, characterized in that: A first torsion spring (14) is movably sleeved on the outer side of the rotating shaft (10); one end of the first torsion spring (14) is fixedly connected to the paper bin body (4); and the other end of the first torsion spring (14) is fixedly connected to the outer side of the rotating shaft (10).

3. The paper bin cover opening and closing structure of a printer according to claim 1, characterized in that: A through hole is provided on the rear side of the printer housing (1), and one end of the lever (5) extends through the through hole to the outside of the printer housing (1).

4. The paper bin cover opening and closing structure of a printer according to claim 1, characterized in that: A servo motor (15) is installed inside the printer housing (1), and an output shaft of the servo motor (15) is fixedly connected to one side of the lever (5).

5. The paper bin cover opening and closing structure of a printer according to claim 1, characterized in that: The rear side of the printer housing (1) is connected to a rear cover plate (16) via a buckle.

6. The paper bin cover opening and closing structure of a printer according to claim 1, characterized in that: A top column (18) is movably inserted through the front side of the paper bin body (4), and a telescopic spring (19) is movably sleeved on the outer side of the top column (18), one end of the telescopic spring (19) is fixedly connected to the outer side of the top column (18), and the other end of the telescopic spring (19) is fixedly connected to one side of the paper bin body (4).

7. The paper bin cover opening and closing structure of a printer according to claim 1, characterized in that: The shaft sleeve of the front cover plate (3) is connected to a second torsion spring (20), and one end of the second torsion spring (20) abuts against one side of the paper bin body (4).

8. The paper bin cover opening and closing structure of a printer according to claim 4, characterized in that: The electrical output end of the touch switch (2) is connected to the electrical input end of the servo motor (15), and the connecting shaft of the roller body (17) is clamped inside the clamping slot (13).

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