A portable printer with internal and external paper feeding

Abstract

The present invention discloses a portable printer with internal and external paper feeding, comprising a printer body, a flip cover, and a plurality of guide rollers. The printer body has a printing device and a paper storage bin, the paper storage bin is provided with a paper feeding slot, the lower part of the printing device has a paper feeding port, the paper storage bin has a paper outlet, the paper outlet is connected to the paper feeding port through a paper guide sheet, and the guide roller is located at the outlet of the paper feeding slot. When printing with internal paper feeding, the roll paper is put into the paper storage bin for unwinding, and the printing paper is allowed to pass through the paper outlet and the paper feeding port to reach the printing device for printing, thus completing the operation of internal paper feeding printing; when printing with external paper feeding, the printing paper is allowed to enter from the paper feeding slot, and the printing paper is allowed to pass through the paper outlet and the paper feeding port under the guidance of the guide roller, and finally reaches the printing device for printing, thus completing the operation of external paper feeding printing. The printing functions of internal and external paper feeding can be completed, the structure is simple, the external paper feeding is smooth, the paper feeding is convenient, and the use of the printer is convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of printers, and in particular to a portable printer with internal and external paper feeding. Background Art

[0002] There are two types of portable printers on the market. One is built-in paper bin, which can be used to feed paper into the printing device from the paper bin inside the printer for printing; the other is not equipped with a paper bin, and paper needs to be fed from the outside for printing. Portable printers with built-in paper bins can only print roll paper, not single-page paper or folding paper, and have a smaller range of use. Portable printers without paper bins can print single-page paper or folding paper, but their structure is more complicated, and paper jams are prone to occur when feeding paper, which is very inconvenient to use. Summary of the invention

[0003] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a portable printer with internal and external paper feeding, which has smooth paper feeding, simple structure and is easy to use.

[0004] The present invention provides a portable printer with internal and external paper feeding, comprising:

[0005] The printer body comprises a printing device and a paper storage bin, wherein a paper feed slot is arranged on a side of the paper storage bin away from the printing device, a paper feed port is arranged at the lower part of the printing device, a paper outlet is arranged at the middle part of a side of the paper storage bin close to the printing device and connected to the paper feed port, and a side of the paper outlet away from the paper feed slot is connected to the paper feed port via a paper guide sheet;

[0006] A flip cover, hinged on the printer body, located above the paper storage bin, and used to cover the paper storage bin;

[0007] A plurality of guide rollers are rotatably connected to the inner side of the paper storage bin and are located at the exit of the paper feed slot, and are used for supporting single sheets of paper and roll paper.

[0008] The portable printer with internal and external paper feed of the embodiment of the present invention has at least the following technical effects: when printing with internal paper feed, first open the flip cover, put the roll paper into the paper storage bin for unwinding, let the guide roller cooperate with the roll paper to unwind the printing paper, let the printing paper pass through the paper outlet and the paper inlet better to reach the printing device for printing, and complete the operation of internal paper feed printing; when printing with external paper feed, let the printing paper enter from the paper feed slot, let the printing paper pass through the paper outlet and the paper inlet under the guidance of the guide roller, and finally reach the printing device for printing, and complete the operation of external paper feed printing. In this way, the printing functions of internal and external paper feed can be completed on one printer, and commonly used printing papers such as single-page paper, folded paper, and roll paper can be printed. In addition, the structure is simple, the external paper feed is smooth, the paper feeding is convenient, and the use of the printer is convenient.

[0009] According to some embodiments of the present invention, the height of the upper end of the guide roller is higher than the height of the lower side of the paper feed slot and lower than the height of the upper side of the paper feed slot.

[0010] According to some embodiments of the present invention, the entrance edges of the paper feed slot are all provided with rounded corners.

[0011] According to some embodiments of the present invention, the paper storage bin is provided with a roller bracket, and the guide roller is rotatably connected to the roller bracket.

[0012] According to some embodiments of the present invention, a secondary step is arranged between the roller bracket and the paper feed slot, the height of the secondary step close to one end of the roller bracket is smaller than the height of the secondary step close to one end of the paper feed slot, and the height of the secondary step close to one end of the paper feed slot is smaller than the height of the outlet of the paper feed slot.

[0013] According to some embodiments of the present invention, the printing device includes a print head and a rubber roller, the rubber roller is used to press paper toward the print head, the paper inlet is located below the print head and the rubber roller, the printer body is provided with a printing paper outlet above the print head and the rubber roller, and the upper end of the paper guide is connected to the lower part of the print head.

[0014] According to some embodiments of the present invention, the flip cover is provided with a hinge frame, and the lower end of the hinge frame is rotatably connected to the printer body via a hinge shaft.

[0015] According to some embodiments of the present invention, the rubber roller is rotatably connected to the articulated frame.

[0016] According to some embodiments of the present invention, a plurality of supporting feet are disposed on the lower side of the printer body.

[0017] According to some embodiments of the present invention, a battery is disposed at the bottom of the printer body.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 is a schematic structural diagram of a portable printer with internal and external paper feeding according to an embodiment of the present invention;

[0021] Figure 2 yes Figure 1 A schematic cross-sectional view of a portable printer with internal and external paper feed as shown in ;

[0022] Figure 3 yes Figure 2 Schematic diagram of the assembly of the flip cover and the printer body shown in FIG.

[0023] Reference numerals:

[0024] Printer body 100, printing device 110, paper inlet 111, print head 112, rubber roller 113, paper storage bin 120, paper inlet slot 121, paper outlet 122, rounded corner 123, roller bracket 124, secondary step 125, paper guide 130, printing paper outlet 140,

[0025] Flip cover 200, hinge frame 210, hinge shaft 211,

[0026] Guide roller 300,

[0027] Leg 400,

[0028] - Battery 500. DETAILED DESCRIPTION

[0029] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0030] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying 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 operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0031] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0032] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific content of the technical solution.

[0033] Reference Figures 1 to 3 , a portable printer with internal and external paper feeding, comprising:

[0034] The printer body 100 comprises a printing device 110 and a paper storage bin 120. A paper feed slot 121 is arranged on a side of the paper storage bin 120 away from the printing device 110. A paper feed port 111 is arranged at the lower part of the printing device 110. The paper storage bin 120 comprises a paper outlet 122 connected to the paper feed port 111 at the middle part of a side close to the printing device 110. A side of the paper outlet 122 away from the paper feed slot 121 is connected to the paper feed port 111 via a paper guide sheet 130.

[0035] The flip cover 200 is hinged on the printer body 100 and is located above the paper storage bin 120 to cover the paper storage bin 120;

[0036] A plurality of guide rollers 300 are rotatably connected to the inner side of the paper storage bin 120 and are located at the exit of the paper feed slot 121 for supporting single sheets of paper and roll paper.

[0037] The printing device 110 is located above one side of the paper storage bin 120, and the paper inlet 111 is connected to the paper outlet 122, and the paper inlet 111 and the paper outlet 122 are connected by a paper guide 130. The paper storage bin 120 is used to store roll paper, and the upper side of the paper storage bin 120 is open. The flip cover 200 is used to close the upper side opening of the paper storage bin 120. The flip cover 200 is hinged on the printer body 100. When the flip cover 200 is opened, the upper opening of the paper storage bin 120 is opened, and then the roll paper can be stored in the paper storage bin 120. When the roll paper is placed in the paper storage bin 120, the guide roller 300 can support the lower part of the roll paper, reduce the friction between the roll paper and the bottom of the paper storage bin 120 when the roll paper rotates, so that the roll paper can rotate better, and the printing paper of the roll paper can be unwound better, which is convenient for printing. The roll paper is stored in the paper storage bin 120 for unwinding, and the unrolled printing paper enters the paper inlet 111 of the printing device 110 from the paper outlet 122 of the paper storage bin 120, and the printing device 110 feeds the paper, so that the printing device 110 prints the printing paper, thereby achieving the purpose of printing. Single-sheet paper or folded paper can enter from the paper feed slot 121, and the single-sheet paper or folded paper is guided at an angle by the guide roller 300, so that the entry end of the single-sheet paper or folded paper can better pass into the paper outlet 122, and then the entry end of the single-sheet paper or folded paper can better enter the paper inlet 111 after being guided again by the paper guide 130, so that the feeding of the single-sheet paper or folded paper is smoother, and the occurrence of paper jams is reduced, and then the printing device 110 prints the single-sheet paper or folded paper, which is convenient for paper feeding. The roll paper can be pre-unrolled outside the printer, and the unrolled printing paper is allowed to pass through the paper feed slot 121, the paper outlet 122, the paper feed port 111, and the printing device 110, so that the external unrolling printing operation can also be performed. When printing with internal paper feed, first open the flip cover 200, put the roll paper into the paper storage bin 120 for unwinding, let the guide roller 300 cooperate with the roll paper to unwind the printing paper, let the printing paper pass through the paper outlet 122 and the paper inlet 111 to reach the printing device 110 for printing, and complete the operation of internal paper feed printing; when printing with external paper feed, let the printing paper enter from the paper feed slot 121, let the printing paper pass through the paper outlet 122 and the paper inlet 111 under the guidance of the guide roller 300, and finally reach the printing device 110 for printing, and complete the operation of external paper feed printing. In this way, the printing functions of internal and external paper feed can be completed on one printer, and common printing papers such as single-page paper, folded paper, and roll paper can be printed. In addition, the structure is simple, the external paper feed is smooth, the paper feeding is convenient, and the use of the printer is convenient.

[0038] In some embodiments of the present invention, reference Figure 2The upper end height of the guide roller 300 is higher than the lower side height of the paper feed slot 121 and lower than the upper side height of the paper feed slot 121. That is, the upper end height of the guide roller 300 is in the space between the upper side and the lower side of the paper feed slot 121, so that after the printing paper enters from the outside, the guide roller 300 can be bent toward the paper outlet 122, which is convenient for paper feeding and reduces paper jams.

[0039] In some embodiments of the present invention, reference Figure 2 The entrance edge of the paper feed slot 121 is provided with a rounded corner 123. The rounded corner 123 can make the entrance of the paper feed slot 121 more rounded, reduce the friction between the printing paper and the paper feed slot 121, reduce the occurrence of paper jams, make external paper feeding smoother, facilitate paper feeding, and be convenient to use.

[0040] In some embodiments of the present invention, reference Figure 2 The paper storage bin 120 is provided with a roller bracket 124, and the guide roller 300 is rotatably connected to the roller bracket 124. The roller bracket 124 is used to carry the guide roller 300, so that the guide roller 300 can rotate better, which is convenient for reducing the resistance of the printing paper when feeding the paper, and is convenient for unwinding the roll paper and external paper feeding.

[0041] In some embodiments of the present invention, reference Figure 2 A secondary step 125 is provided between the roller bracket 124 and the paper feed slot 121. The height of the secondary step 125 at one end close to the roller bracket 124 is less than the height of the secondary step 125 at one end close to the paper feed slot 121. The height of the secondary step 125 at one end close to the paper feed slot 121 is less than the height of the outlet of the paper feed slot 121. That is, the outlet of the paper feed slot 121 and the secondary step 125 form a three-step step, so that the end of the roller bracket 124 close to the paper feed slot 121 and the outlet of the paper feed slot 121 have a height difference, so that when the printing paper is fed from the paper feed slot 121, it is easier to enter and will not be blocked at the paper feed slot 121. Then, the angle of the printing paper can be adjusted to allow the printing paper to be placed on the guide roller 300 and continue to move forward, so that the printing paper reaches the paper outlet 122 for docking, and finally, through the paper guide sheet 130, the printing paper can enter the paper inlet 111 and enter the printing device 110 for printing.

[0042] In some embodiments of the present invention, reference Figure 2The printing device 110 includes a print head 112 and a rubber roller 113. The rubber roller 113 is used to press the paper toward the print head 112. The paper inlet 111 is located below the print head 112 and the rubber roller 113. The printer body 100 is provided with a print paper outlet 140 above the print head 112 and the rubber roller 113. The upper end of the paper guide 130 is connected to the lower part of the print head 112. The print head 112 is a print head 112 of a printer commonly used on the market, which is a prior art and will not be described in detail here. The print paper enters from the paper inlet 111 and then passes between the print head 112 and the rubber roller 113. The rubber roller 113 presses the print paper toward the print head 112. The rubber roller 113 is used to press the printing paper toward the print head 112 so that the print head 112 can better print on the printing paper. The printer body 100 has a driving motor for driving the rubber roller 113 to rotate, so that the rubber roller 113 can carry the printing paper to the printing paper outlet 140 to discharge the paper, and the unprinted printing paper can be driven to continuously pass through the print head 112 for printing, thereby achieving the purpose of automatic printing.

[0043] In some embodiments of the present invention, reference Figure 3 The flip cover 200 is provided with a hinge frame 210, and the lower end of the hinge frame 210 is rotatably connected to the printer body 100 through a hinge shaft 211. That is, the flip cover 200 is rotatably connected to the printer body 100 through the bottom end of the hinge frame 210, wherein the hinge shaft 211 is located at a position of the printer body 100 close to the paper feed slot 121, so that the flip cover 200 can be rotated better, thereby better allowing the paper storage bin 120 to be opened.

[0044] In some embodiments of the present invention, reference Figure 3 The rubber roller 113 is rotatably connected to the hinge frame 210. The rubber roller 113 is rotatably connected to the hinge frame 210, that is, the rubber roller 113 and the flip cover 200 can be flipped up together, so that the opening of the paper storage bin 120 is larger, which is convenient for storing larger rolls of paper.

[0045] In some embodiments of the present invention, reference Figures 1 to 3 The lower side of the printer body 100 is provided with a plurality of legs 400. The legs 400 are used to support the entire printer body 100, so as to facilitate supporting the printer body 100 and better fix the printer so that it will not shake during printing.

[0046] In some embodiments of the present invention, reference Figure 2 A battery 500 is disposed at the bottom of the printer body 100. The battery 500 is used to supply power to the printer body 100, that is, to supply power to the printing device 110 to ensure the normal operation of the printer.

[0047] Reference below Figures 1 to 3The portable printer with internal and external paper feeding according to the embodiment of the present invention is described in detail with a specific embodiment. It is worth noting that the following description is only an exemplary description, and is not a specific limitation of the invention.

[0048] The printer body 100 has a printing device 110 and a paper storage bin 120. A paper feed slot 121 is provided on the side of the paper storage bin 120 away from the printing device 110. A paper feed port 111 is provided at the lower part of the printing device 110. The paper storage bin 120 has a paper outlet 122 connected to the paper feed port 111 in the middle of the side close to the printing device 110. The side of the paper outlet 122 away from the paper feed slot 121 is connected to the paper feed port 111 through a paper guide 130. The flip cover 200 is hinged on the printer body 100 and is located above the paper storage bin 120 for covering the paper storage bin 120. A plurality of guide rollers 300 are rotatably connected to the inner side of the paper storage bin 120 and are located at the exit of the paper feed slot 121 for supporting single sheets of paper and roll paper. The upper end height of the guide roller 300 is higher than the lower side height of the paper feed slot 121 and lower than the upper side height of the paper feed slot 121. The entrance edge of the paper feed slot 121 is provided with a rounded corner 123. The paper storage bin 120 is provided with a roller bracket 124, and the guide roller 300 is rotatably connected to the roller bracket 124. A secondary step 125 is provided between the roller bracket 124 and the paper feed slot 121, and the height of the secondary step 125 near the roller bracket 124 is less than the height of the secondary step 125 near the paper feed slot 121, and the height of the secondary step 125 near the paper feed slot 121 is less than the height of the outlet of the paper feed slot 121. The printing device 110 includes a print head 112 and a rubber roller 113, and the rubber roller 113 is used to press the paper toward the print head 112. The paper feed port 111 is located below the print head 112 and the rubber roller 113. The printer body 100 is provided with a printing paper outlet 140 above the print head 112 and the rubber roller 113, and the upper end of the paper guide 130 is connected to the lower part of the print head 112. The flip cover 200 is provided with an articulated frame 210, and the lower end of the articulated frame 210 is rotatably connected to the printer body 100 through a hinge shaft 211. The rubber roller 113 is rotatably connected to the articulated frame 210. A plurality of legs 400 are provided on the lower side of the printer body 100. A battery 500 is provided at the bottom of the printer body 100. The roll paper is stored in the paper storage bin 120 for unwinding, and the unrolled printing paper enters the paper inlet 111 of the printing device 110 from the paper outlet 122 of the paper storage bin 120, and the printing device 110 feeds paper, so that the printing device 110 prints the printing paper, thereby achieving the purpose of printing. Single sheets of paper or folded paper can enter from the paper feed slot 121, and the guide roller 300 can guide the single sheets of paper or folded paper at an angle, so that the entry end of the single sheets of paper or folded paper can better enter the paper outlet 122, and then after being guided again by the paper guide 130, the entry end of the single sheets of paper or folded paper can better enter the paper feed port 111, so that the paper feeding of the single sheets of paper or folded paper is smoother and the occurrence of paper jams is reduced. Then, the printing device 110 prints on the single sheets of paper or folded paper to facilitate paper feeding.The roll paper can be pre-unrolled outside the printer, and the unrolled printing paper is allowed to pass through the paper feed slot 121, the paper outlet 122, the paper feed port 111, and the printing device 110, so that the external unrolling printing operation can also be performed. When printing with internal paper feed, first open the flip cover 200, put the roll paper into the paper storage bin 120 for unwinding, let the guide roller 300 cooperate with the roll paper to unwind the printing paper, let the printing paper pass through the paper outlet 122 and the paper inlet 111 to reach the printing device 110 for printing, and complete the operation of internal paper feed printing; when printing with external paper feed, let the printing paper enter from the paper feed slot 121, let the printing paper pass through the paper outlet 122 and the paper inlet 111 under the guidance of the guide roller 300, and finally reach the printing device 110 for printing, and complete the operation of external paper feed printing. In this way, the printing functions of internal and external paper feed can be completed on one printer, and common printing papers such as single-page paper, folded paper, and roll paper can be printed. In addition, the structure is simple, the external paper feed is smooth, the paper feeding is convenient, and the use of the printer is convenient.

[0049] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0050] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

[0051] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A portable printer with internal and external paper feeding, characterized in that: include: A printer body (100) comprises a printing device (110) and a paper storage bin (120), wherein a side of the paper storage bin (120) away from the printing device (110) is provided with a paper feed slot (121), a lower portion of the printing device (110) is provided with a paper feed port (111), a middle portion of the side of the paper storage bin (120) close to the printing device (110) is provided with a paper outlet (122) connected to the paper feed port (111), and a side of the paper outlet (122) away from the paper feed slot (121) is connected to the paper feed port (111) via a paper guide sheet (130); A flip cover (200) is hinged on the printer body (100), located above the paper storage bin (120), and used to cover the paper storage bin (120); A plurality of guide rollers (300) are rotatably connected to the inner side of the paper storage bin (120) and are located at the exit of the paper feed slot (121), and are used to support single sheets of paper and roll paper; The paper storage bin (120) is provided with a roller bracket (124), and the guide roller (300) is rotatably connected to the roller bracket (124); A secondary step (125) is provided between the roller bracket (124) and the paper feed slot (121), the height of one end of the secondary step (125) close to the roller bracket (124) is smaller than the height of one end of the secondary step (125) close to the paper feed slot (121), and the height of one end of the secondary step (125) close to the paper feed slot (121) is smaller than the height of the outlet of the paper feed slot (121); When the roll paper is placed in the paper storage bin (120), the guide roller (300) can support the lower part of the roll paper, and single-sheet paper or folded paper can enter from the paper feed slot (121), and the guide roller (300) can guide the single-sheet paper or folded paper at an angle; The height of the upper end of the guide roller (300) is higher than the height of the lower side of the paper feeding slot (121) and lower than the height of the upper side of the paper feeding slot (121).

2. A portable printer with internal and external paper feed according to claim 1, characterized in that: The entrance edges of the paper feeding slots (121) are all provided with rounded corners (123).

3. A portable printer with internal and external paper feed according to claim 1, characterized in that: The printing device (110) comprises a print head (112) and a rubber roller (113), wherein the rubber roller (113) is used to press paper toward the print head (112), the paper inlet (111) is located below the print head (112) and the rubber roller (113), the printer body (100) is provided with a print paper outlet (140) above the print head (112) and the rubber roller (113), and the upper end of the paper guide (130) is connected to the lower part of the print head (112).

4. A portable printer with internal and external paper feed according to claim 3, characterized in that: The flip cover (200) is provided with a hinge frame (210), and the lower end of the hinge frame (210) is rotatably connected to the printer body (100) via a hinge shaft (211).

5. A portable printer with internal and external paper feed according to claim 4, characterized in that: The rubber roller (113) is rotatably connected to the hinge frame (210).

6. The portable printer with internal and external paper feed according to claim 1, characterized in that: A plurality of supporting legs (400) are arranged on the lower side of the printer body (100).

7. The portable printer with internal and external paper feed according to claim 1, characterized in that: A battery (500) is arranged at the bottom of the printer body (100).

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