Printer with uniform gaps

By providing a support part and an elastic acting part between the frame and the cover body in the printer, the problem of inconsistent gap between the cover body in the prior art is solved, and uniformity of the appearance gap of the printer is achieved.

CN222610747UActive Publication Date: 2025-03-14ZHUHAI XPRINTER ELECTRONICS TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421309184.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-03-14
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

Due to the large plastic injection molding tolerances of existing thin printers, the assembly positions of the first cover, the second cover and the middle frame are changed, resulting in inconsistent gaps between the first cover, the second cover and the upper cover, and the appearance gaps are uneven.

Method used

By providing a first support part and a second support part between the middle frame and the first cover body and the second cover body, and fitting a first elastic acting part and the second elastic acting part, the middle frame can support the first cover body and the second cover body, and eliminate assembly gaps through elastic action.

Benefits of technology

The first cover body and the second cover body are fitted without gaps with the middle frame, so that the appearance gap is uniform and uniform, solving the problem of uneven appearance gaps in the prior art.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a printer with uniform gaps. The device comprises a main machine body and an upper cover, the upper cover is arranged at the upper end of the main machine body, the main machine body comprises a first cover body, a second cover body and a middle frame, the first cover body and the second cover body are connected to form a mounting cavity, the middle frame is arranged in the mounting cavity, and the middle frame is arranged in the mounting cavity. A first supporting part and a first elastic acting part are arranged between one side of the middle frame and the first cover body in a matched mode, the first elastic acting part is located below the first supporting part, and a second supporting part and a second elastic acting part are arranged between the other side of the middle frame and the second cover body in a matched mode. And the second elastic acting part is positioned below the second supporting part. The printer is applied to the technical field of printers.
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Description

Technical Field

[0001] The utility model relates to the technical field of printers, in particular to a printer with uniform gaps. Background Art

[0002] Existing thin printers are usually composed of an upper cover and a main body. The main body is usually composed of a first cover, a second cover and a middle frame that are buckled together. The middle frame is hinged to the upper cover, and there is a gap between the upper cover and the main body to meet the requirement of smooth buckling of the covers. However, due to the large tolerance of plastic injection molding, the first cover, the second cover and the middle frame are usually set to be clearance-fitted, so the assembly positions of the first cover and the second cover will vary, resulting in inconsistent gaps between the first cover, the second cover and the upper cover, resulting in uneven appearance gaps. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a printer with uniform gaps.

[0004] The technical solution adopted by the utility model is: the utility model includes a main body and an upper cover, the upper cover is arranged at the upper end of the main body, the main body includes a first cover body, a second cover body and a middle frame, the first cover body is connected to the second cover body and forms an installation cavity, the middle frame is arranged in the installation cavity, a first supporting portion and a first elastic acting portion are cooperatedly arranged between one side of the middle frame and the first cover body, the first elastic acting portion is located below the first supporting portion, and a second supporting portion and a second elastic acting portion are cooperatedly arranged between the other side of the middle frame and the second cover body, the second elastic acting portion is located below the second supporting portion.

[0005] Further, the first support portion includes a first limiting arm and two first supporting blocks, the first limiting arm is arranged on one side of the middle frame, the two first supporting blocks are arranged on the first cover body, and the two first supporting blocks are respectively abutted against two ends of the first limiting arm.

[0006] Furthermore, the first elastic action portion includes a first elastic arm and two second support blocks, the first elastic arm is arranged on the first cover body, the two second support blocks are both arranged on one side of the middle frame, and the two second support blocks are both abutted against the first elastic arm.

[0007] Furthermore, the second support portion includes a second limiting arm and two third support blocks, the second limiting arm is arranged on the other side of the middle frame, the two third support blocks are both arranged on the second cover body, and the two third support blocks are respectively abutted against the two ends of the second limiting arm.

[0008] Furthermore, the second elastic action portion includes a second elastic arm and two fourth support blocks, the second elastic arm is arranged on the other side of the middle frame, the two fourth support blocks are both arranged on the second cover body, and the two fourth support blocks are both abutted against the second elastic arm.

[0009] Furthermore, a positioning strip and a positioning hole are provided diagonally on the other side of the middle frame, and a positioning slot and a positioning column are provided on the second cover body. The positioning strip cooperates with the positioning slot, and the positioning hole cooperates with the positioning column.

[0010] Furthermore, the second limit arm is provided with two clamping holes, and the second cover body is provided with two clamping blocks, and the two clamping blocks are respectively clamped in the two clamping holes.

[0011] Furthermore, the middle frame is provided with screw holes, the second cover body is provided with screw holes corresponding to the screw holes, and the second cover body is threadedly connected to the middle frame through screws; the first cover body, the second cover body and the middle frame are all elastic bodies.

[0012] Furthermore, the second cover body is provided with a plurality of buckles, the first cover body is provided with cantilevers having the same number as the buckles, the cantilevers are provided with cantilever buckle holes, and the buckles are buckled in the cantilever buckle holes.

[0013] Furthermore, the upper cover includes an inner cover and a flip cover, one end of the flip cover is connected to the middle frame through a rotating shaft, the inner cover is fixedly connected to the inside of the flip cover, the end of the inner cover away from the rotating shaft is provided with a hook, a print head and an elastic member, the middle frame is provided with a protrusion and a rubber roller, the hook is clamped on the protrusion, the print head abuts against the rubber roller, and the upper and lower ends of the elastic member are respectively connected between the print head and the inner cover.

[0014] The beneficial effects of the utility model are:

[0015] With respect to the deficiencies of the prior art, in the present invention, the middle frame is capable of supporting the first cover body and the second cover body through the provision of the first supporting portion and the second supporting portion, and the first elastic acting portion and the second elastic acting portion respectively generate reaction forces on the first cover body and the second cover body, so that the first cover body can fit on the first supporting portion, and the second cover body can fit on the second supporting portion, thereby eliminating the assembly gap. Therefore, the present invention can use the middle frame as a reference to fit the first cover body, the second cover body and the middle frame without a gap, so that the first cover body and the second cover body have the same reference and no movement gap, thereby ensuring the uniformity of the appearance gap, so that the present invention has the advantage of uniform appearance gap. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model 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 utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is an exploded schematic diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the middle frame of the utility model. Figure 1 ;

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the first cover body of the utility model;

[0021] Figure 5 This is a schematic diagram of the three-dimensional structure of the middle frame of the utility model. Figure 2 ;

[0022] Figure 6 It is a three-dimensional structural schematic diagram of the second cover body of the utility model.

[0023] The reference numerals are as follows:

[0024] 1. Main body; 2. Upper cover; 3. First cover body; 5. Second cover body; 6. Middle frame; 7. First supporting part; 8. First elastic acting part; 9. Second supporting part; 10. Second elastic acting part; 11. First limiting arm; 12. First supporting block; 13. First elastic arm; 15. Second supporting block; 16. Second limiting arm; 17. Third supporting block; 18. Second elastic arm; 19. Fourth supporting block; 20. Positioning card strip; 21. Positioning hole; 22. Positioning card slot; 23. Positioning column; 25. Card hole; 26. Card block; 27. Buckle; 28. Cantilever; 29. ​​Cantilever card hole; 30. Inner cover; 31. Flip cover; 33. Hook; 35. Print head; 36. Elastic member; 37. Bump; 38. Rubber roller.

[0025] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. 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 of 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 all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, clockwise, counterclockwise, etc., are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0028] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0029] like Figure 1 to Figure 2 As shown, in this embodiment, the utility model includes a main body 1 and an upper cover 2, the upper cover 2 is arranged at the upper end of the main body 1, the main body 1 includes a first cover body 3, a second cover body 5 and a middle frame 6, the first cover body 3 is connected to the second cover body 5 and forms an installation cavity, the middle frame 6 is arranged in the installation cavity, a first support portion 7 and a first elastic action portion 8 are provided between one side of the middle frame 6 and the first cover body 3, the first elastic action portion 8 is located below the first support portion 7, and a second support portion 9 and a second elastic action portion 10 are provided between the other side of the middle frame 6 and the second cover body 5, the second elastic action portion 10 is located below the second support portion 9.

[0030] With respect to the deficiencies of the prior art, in the present invention, the middle frame 6 is capable of supporting the first cover body 3 and the second cover body 5 through the provision of the first support portion 7 and the second support portion 9, and the first elastic action portion 8 and the second elastic action portion 10 respectively generate reaction forces on the first cover body 3 and the second cover body 5, so that the first cover body 3 can be fitted to the first support portion 7, and the second cover body 5 can be fitted to the second support portion 9, thereby eliminating the assembly gap. Therefore, the present invention can use the middle frame 6 as a reference to fit the first cover body 3, the second cover body 5 and the middle frame 6 without a gap, so that the first cover body 3 and the second cover body 5 have the same reference and no movement gap, thereby ensuring the uniformity of the appearance gap, so that the present invention has the advantage of uniform appearance gap.

[0031] like Figure 3 to Figure 4 As shown, in some embodiments, the first support portion 7 includes a first limiting arm 11 and two first support blocks 12, the first limiting arm 11 is arranged on one side of the middle frame 6, the two first support blocks 12 are arranged on the first cover body 3, and the two first support blocks 12 are respectively abutted against the two ends of the first limiting arm 11; the first elastic action portion 8 includes a first elastic arm 13 and two second support blocks 15, the first elastic arm 13 is arranged on the first cover body 3, the two second support blocks 15 are arranged on one side of the middle frame 6, and the two second support blocks 15 are respectively abutted against the first elastic arm 13. Specifically, by the two first support blocks 12 respectively abutting against the two ends of the first limiting arm 11, and by the two second support blocks 15 abutting against the first elastic arm 13, the two second support blocks 15 have a reaction force on the first elastic arm 13, so that the two first support blocks 12 can be well fitted on the first limiting arm 11, so that the first cover body 3 can be fitted on one side of the middle frame 6 without gap.

[0032] like Figures 5 and 6As shown, in some embodiments, the second support portion 9 includes a second limiting arm 16 and two third support blocks 17, the second limiting arm 16 is arranged on the other side of the middle frame 6, the two third support blocks 17 are arranged on the second cover 5, and the two third support blocks 17 are respectively abutted against the two ends of the second limiting arm 16; the second elastic action portion 10 includes a second elastic arm 18 and two fourth support blocks 19, the second elastic arm 18 is arranged on the other side of the middle frame 6, the two fourth support blocks 19 are arranged on the second cover 5, and the two fourth support blocks 19 are abutted against the second elastic arm 18. Specifically, the two third support blocks 17 are respectively abutted against the two ends of the second limiting arm 16, and the two fourth support blocks 19 are abutted against the second elastic arm 18, so that the second elastic arm 18 can generate a reaction force on the two fourth support blocks 19, so that the two third support blocks 17 can be well fitted on the second limiting arm 16, so that the second cover 5 can be fitted on the other side of the middle frame 6 without gap.

[0033] like Figures 5 and 6 As shown, in some embodiments, a positioning strip 20 and a positioning hole 21 are provided diagonally on the other side of the middle frame 6, and a positioning slot 22 and a positioning column 23 are provided on the second cover 5, wherein the positioning strip 20 cooperates with the positioning slot 22, and the positioning hole 21 cooperates with the positioning column 23. Specifically, the positioning strip 20 cooperates with the positioning slot 22, and the positioning hole 21 cooperates with the positioning column 23, so that the middle frame and the second cover 5 can be well positioned during assembly.

[0034] like Figures 5 and 6 As shown, in some embodiments, the second limit arm 16 is provided with two clamping holes 25, the second cover body 5 is provided with two clamping blocks 26, and the two clamping blocks 26 are respectively clamped in the two clamping holes 25; the middle frame 6 is provided with a screw through hole, the second cover body 5 is provided with a screw hole corresponding to the screw through hole, and the second cover body 5 is threadedly connected with the middle frame 6 by screws; the first cover body 3, the second cover body 5 and the middle frame 6 are all elastic bodies. Specifically, the first cover body 3, the second cover body 5 and the middle frame 6 are all elastic bodies, so that the elastic arm provided will produce a certain elasticity to the support block, so that the assembly references are pressed and fitted with each other, thereby eliminating the assembly gap; in addition, the two clamping blocks 26 are respectively clamped in the two clamping holes 25, and the middle frame 6 and the second cover body 5 are locked by screws, so as to realize the fixed connection between the middle frame 6 and the second cover body 5.

[0035] like Figure 4 and Figure 6As shown, in some embodiments, the second cover body 5 is provided with a plurality of buckles 27, the first cover body 3 is provided with cantilevers 28 having the same number as the buckles 27, the cantilevers 28 are provided with cantilever buckle holes 29, and the buckles 27 are buckled into the cantilever buckle holes 29. Specifically, the cantilever 28 is extended into the second cover body 5 so that the buckles 27 are buckled into the cantilever buckle holes 29, so that the first cover body 3 is fixedly connected to the second cover body 5.

[0036] like Figure 1 to Figure 2 As shown, in some embodiments, the upper cover 2 includes an inner cover 30 and a flip cover 31, one end of the flip cover 31 is connected to the middle frame 6 through a rotating shaft, the inner cover 30 is fixedly connected to the inside of the flip cover 31, and the end of the inner cover 30 away from the rotating shaft is provided with a hook 33, a print head 35 and an elastic member 36, and a convex block 37 and a rubber roller 38 are provided on the middle frame 6, the hook 33 is clamped on the convex block 37, the print head 35 abuts on the rubber roller 38, and the upper end and the lower end of the elastic member 36 are respectively connected between the print head 35 and the inner cover 30. Specifically, when the upper cover 2 is covered on the main body 1, the print head 35 abuts on the rubber roller 38, and the hook 33 is clamped on the convex block 37. Due to the action of the elastic member 36, when the print head 35 abuts on the rubber roller 38, the hook 33 can be tightened, so that the gap between the upper cover 2 and the main body 1 is uniform.

[0037] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A printer with uniform gap, characterized in that: It comprises a main body (1) and an upper cover (2), wherein the upper cover (2) is arranged at the upper end of the main body (1), and the main body (1) comprises a first cover body (3), a second cover body (5) and a middle frame (6), wherein the first cover body (3) is connected to the second cover body (5) to form an installation cavity, and the middle frame (6) is arranged in the installation cavity, and a first supporting portion (7) and a first elastic acting portion (8) are provided between one side of the middle frame (6) and the first cover body (3), and the first elastic acting portion (8) is located below the first supporting portion (7), and a second supporting portion (9) and a second elastic acting portion (10) are provided between the other side of the middle frame (6) and the second cover body (5), and the second elastic acting portion (10) is located below the second supporting portion (9).

2. A printer with uniform gap according to claim 1, characterized in that: The first support portion (7) comprises a first limiting arm (11) and two first supporting blocks (12); the first limiting arm (11) is arranged on one side of the middle frame (6); the two first supporting blocks (12) are both arranged on the first cover body (3); and the two first supporting blocks (12) are respectively abutted against two ends of the first limiting arm (11).

3. A printer with uniform gap according to claim 1 or 2, characterized in that: The first elastic action part (8) comprises a first elastic arm (13) and two second support blocks (15); the first elastic arm (13) is arranged on the first cover body (3); the two second support blocks (15) are both arranged on one side of the middle frame (6); and the two second support blocks (15) are both in contact with the first elastic arm (13).

4. A printer with uniform gap according to claim 1, characterized in that: The second supporting portion (9) comprises a second limiting arm (16) and two third supporting blocks (17); the second limiting arm (16) is arranged on the other side of the middle frame (6); the two third supporting blocks (17) are both arranged on the second cover body (5); and the two third supporting blocks (17) are respectively abutted against two ends of the second limiting arm (16).

5. A printer with uniform gap according to claim 1 or 4, characterized in that: The second elastic action portion (10) comprises a second elastic arm (18) and two fourth support blocks (19); the second elastic arm (18) is arranged on the other side of the middle frame (6); the two fourth support blocks (19) are both arranged on the second cover body (5); and the two fourth support blocks (19) are both in contact with the second elastic arm (18).

6. A printer with uniform gap according to claim 1, characterized in that: A positioning strip (20) and a positioning hole (21) are provided at the diagonal of the other side of the middle frame (6); the second cover body (5) is provided with a positioning slot (22) and a positioning column (23); the positioning strip (20) cooperates with the positioning slot (22), and the positioning hole (21) cooperates with the positioning column (23).

7. A printer with uniform gap according to claim 4, characterized in that: The second limit arm (16) is provided with two clamping holes (25), and the second cover body (5) is provided with two clamping blocks (26), and the two clamping blocks (26) are respectively clamped in the two clamping holes (25).

8. The printer with uniform gap according to claim 1, characterized in that: The middle frame (6) is provided with a screw through hole, the second cover body (5) is provided with a screw hole corresponding to the screw through hole, and the second cover body (5) is threadedly connected to the middle frame (6) via screws; the first cover body (3), the second cover body (5) and the middle frame (6) are all elastic bodies.

9. The printer with uniform gap according to claim 1, characterized in that: The second cover body (5) is provided with a plurality of buckles (27), the first cover body (3) is provided with cantilevers (28) the same number as the buckles (27), the cantilevers (28) are provided with cantilever buckle holes (29), and the buckles (27) are buckled in the cantilever buckle holes (29).

10. A printer with uniform gap according to claim 1 or 9, characterized in that: The upper cover (2) comprises an inner cover (30) and a flip cover (31), one end of the flip cover (31) is connected to the middle frame (6) via a rotating shaft, the inner cover (30) is fixedly connected to the inside of the flip cover (31), the end of the inner cover (30) away from the rotating shaft is provided with a hook (33), a print head (35) and an elastic member (36), the middle frame (6) is provided with a convex block (37) and a rubber roller (38), the hook (33) is clamped on the convex block (37), the print head (35) is abutted on the rubber roller (38), and the upper end and the lower end of the elastic member (36) are respectively connected between the print head (35) and the inner cover (30).