Opening and closing cover structure of thermal printer and thermal printer

Abstract

The utility model relates to the technical field of printing equipment, and provides a cover opening and closing structure of a thermal printer, the thermal printer comprises a main body and a cover body, and one end of the main body is rotatably connected to one end of the cover body; the switch cover structure comprises a clamping piece and an elastic piece, the middle section of the clamping piece is rotationally connected to the other end of the cover body, one end of the elastic piece is connected to the middle section of the clamping piece, and the other end of the elastic piece is connected into the cover body; when the clamping piece is not pressed, the elastic piece provides force for pulling the clamping piece to the inner side, one end of the clamping piece is arranged on the main body in a hooking mode, rotation between the cover body and the main body is limited, and the cover body is closed. When the side, away from the main body, of the clamping piece is pressed, the elastic piece is compressed, the clamping piece rotates and is separated from the main body, and the cover body can rotate along the main body to be opened. Therefore, the operation convenience in the cover opening and closing process can be improved. In addition, the utility model also provides a thermal printer.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of printing equipment, in particular to a switch cover structure of a thermal printer and the thermal printer. BACKGROUND

[0002] The existing thermal printer mainly has the following two cover opening modes: one is a double-hand side push-pull type, which realizes cover opening by rotating the hook driven by the push-pull side button, and realizes cover closing by locking the hook with the built-in cover opening torsional spring; the other is a double-hand front pressing type, which realizes cover opening by rotating the hook driven by pressing the front button. Both of the above two modes need to be operated by both hands, which is relatively cumbersome and the operation convenience needs to be improved.

[0003] Therefore, the present application studies a switch cover structure of a thermal printer, which can be opened by single-hand operation, simplifies the cover opening and closing process, and improves the operation convenience. CONTENT OF THE UTILITY MODEL

[0004] In order to improve the operation convenience of the cover opening and closing process.

[0005] On the one hand, the present application provides a switch cover structure of a thermal printer, which adopts the following technical solution:

[0006] A switch cover structure of a thermal printer, the thermal printer comprising a main body and a cover body, one end of the main body being rotationally connected to one end of the cover body; the switch cover structure comprising a clamping piece and an elastic piece, the middle section of the clamping piece being rotationally connected to the other end of the cover body, one end of the elastic piece being connected to the middle section of the clamping piece, and the other end being connected to the cover body.

[0007] When the clamping piece is not pressed, the elastic piece provides a force to pull the clamping piece inward, one end of the clamping piece is hooked on the main body, limiting the rotation between the cover body and the main body, and the cover body is closed; when the side of the clamping piece away from the main body is pressed, the elastic piece is compressed, the clamping piece rotates and is separated from the main body, and the cover body can be rotated to open along the main body.

[0008] By adopting the above technical solution, when the clamping piece is not pressed, the clamping piece is clamped on the main body by the elastic force of the elastic piece, the cover body is closed, and the clamping piece is separated from the main body to open the cover body when the elastic piece is compressed by pressing the clamping piece. Therefore, in use, the cover body can be opened and closed by directly pressing the clamping piece with one hand, which is more convenient and fast compared with the traditional double-hand side push-pull type or double-hand front pressing type cover opening and closing mechanism, and significantly improves the user experience.

[0009] Optionally, the clamping piece comprises a clamping hook part, the main body is provided with a receiving groove and a clamping edge, when the clamping piece is not pressed, the clamping hook part is in the receiving groove and is hooked on the clamping edge.

[0010] By using the above technical scheme, the clamping piece can be accommodated in the receiving groove, and the clamping piece can be conveniently fixed by the clamping edge, while the structure can be simplified, the design is compact, and the space is saved.

[0011] Optionally, the clamping piece is provided with a hooking hole, the cover is provided with a hooking piece, the hooking piece is provided with a hooking groove and is located on the side away from the clamping piece, one end of the elastic piece is hooked in the hooking hole, and the other end is hooked in the hooking groove.

[0012] Optionally, the button is further provided, the cover is provided with a pressing opening, and the button is slidingly arranged in the pressing opening; when the button is pressed, the button presses the side of the clamping piece away from the main body; and when the button is released, the elastic force of the elastic piece pushes the button back to the original position through the clamping piece.

[0013] By using the above technical scheme, the clamping piece can be conveniently pressed by the button.

[0014] Optionally, the cover is provided with a guide groove, and the button is slidingly connected in the guide groove.

[0015] By using the above technical scheme, the sliding direction of the button is better limited and guided by the guide groove.

[0016] Optionally, the cover is further provided with a pressing cover connected to the cover, the clamping piece is provided with a rotating shaft on both sides, the cover is provided with a rotating groove, the rotating shaft is partially rotationally connected in the rotating groove, the pressing cover covers and limits the rotating shaft on both sides, and a space is left between the faces of the pressing cover and the clamping piece facing each other.

[0017] Optionally, the clamping piece is further provided with an abutting part on both sides, and the inner side walls of the opposite sides of the button are respectively matched with the end faces of the abutting parts.

[0018] On the other hand, the application provides a thermal printer, which adopts the following technical scheme:

[0019] A thermal printer comprises a main body and a cover, one end of the main body is rotationally connected to one end of the cover, and the thermal printer further comprises the switch cover structure of the thermal printer.

[0020] In summary, the application has the following beneficial technical effects:

[0021] 1. When the clamping piece is not pressed, the clamping piece is clamped to the main body by the elastic force of the elastic piece, the cover is closed, and when the clamping piece is pressed to compress the elastic piece, the clamping piece is separated from the main body to open the cover, so that in use, the cover can be opened and closed by directly pressing the clamping piece with one hand, compared with the traditional double-hand side-pushing or double-hand front-pressing cover opening and closing mechanism, the operation is more convenient and fast, and the user experience is significantly improved;

[0022] 2. The clamping piece can be accommodated in the accommodating groove, and the clamping piece can be conveniently fixed by the clamping edge, while the structure is simplified, the design is compact, and space is saved;

[0023] 3. The clamping piece can be conveniently installed by the pressing cover, and the rotation angle of the clamping piece can be limited to avoid excessive pressing. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other embodiments can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0025] In the drawings:

[0026] Figure 1 is a cross-sectional view of the switch cover structure of the thermal printer of the embodiment of the present application;

[0027] Figure 2 is a structural view of the switch cover structure of the thermal printer of the embodiment of the present application;

[0028] Figure 3 is a structural view of the switch cover structure of the thermal printer of the embodiment of the present application, which embodies the button;

[0029] Figure 4 is a cross-sectional view of the switch cover structure of the thermal printer of the embodiment of the present application, which embodies the cooperation of the clamping piece, the button and the pressing cover;

[0030] Figure 5 is a structural view of the switch cover structure of the thermal printer of the embodiment of the present application, which embodies the cooperation of the clamping piece and the pressing cover.

[0031] Reference signs: 1, main body; 2, cover; 3, clamping piece; 31, clamping hook part; 32, rotating shaft; 33, abutting part; 4, elastic piece; 5, accommodating groove; 6, clamping edge; 7, hooking hole; 8, hooking piece; 9, hooking groove; 10, button; 11, pressing opening; 12, guide groove; 13, pressing cover; 14, rotating groove. DETAILED DESCRIPTION

[0032] The application will be further described below in conjunction with the accompanying drawings Figures 1-5 The application will be further described below in conjunction with the accompanying drawings

[0033] The application discloses a switch cover structure of a thermal printer. Referring to Figure 1 The thermal printer comprises a main body 1 and a cover 2, one end of the main body 1 is rotationally connected to one end of the cover 2, wherein the front side is a printing outlet, and the one end of the main body 1 and the one end of the cover 2 are each one of the two sides of the thermal printer. The switch cover structure comprises a clamping piece 3 and an elastic piece 4, the middle section of the clamping piece 3 is rotationally connected to the other end of the cover 2, that is, the clamping piece 3 is arranged on the other side of the two sides of the thermal printer, one end of the elastic piece 4 is connected to the middle section of the clamping piece 3, and the other end is connected to the cover 2. The elastic piece 4 is a tension spring, and the clamping piece 3 can be given a pulling force through the elastic force of the tension spring.

[0034] When the clamping piece 3 is not pressed, the elastic piece 4 provides a force to pull the clamping piece 3 to the inside, the inside is the inside of the cover 2, one end of the clamping piece 3 is hooked on the main body 1, and the rotation between the cover 2 and the main body 1 is limited, and the cover 2 is closed. When the side of the clamping piece 3 away from the main body 1 is pressed, the elastic piece 4 is compressed, the clamping piece 3 rotates and is separated from the main body 1, and the cover 2 can be opened along the main body 1. When the clamping piece 3 is released, the elastic piece 4 can pull the clamping piece 3 to the inside due to the elastic force of returning to the original state, so that the switch can be conveniently operated by one hand on the side, the operation is more convenient and fast, and the user experience is significantly improved.

[0035] In some embodiments, the clamping piece 3 comprises a hooking part 31, the main body 1 is provided with a containing groove 5 and forms a clamping edge 6, when the clamping piece 3 is not pressed, the hooking part 31 is in the containing groove 5 and is hooked on the clamping edge 6, so that the cover 2 and the main body 1 can be conveniently fixed, the cover 2 can be opened by pressing the clamping piece 3 and separating the hooking part 31 from the clamping edge 6, and the operation is more convenient and fast.

[0036] In some embodiments, the clamping piece 3 is provided with a hooking hole 7, the cover 2 is provided with a hooking piece 8, the hooking piece 8 is provided with a hooking groove 9 and is located on the side away from the clamping piece 3, and one end of the elastic piece 4 is hooked on the hooking hole 7 and the other end is hooked on the hooking groove 9. The hooking piece 8 can conveniently and stably fix the elastic piece 4.

[0037] Referring to Figure 2 and Figure 3In some embodiments, the button 10 is further included, a pressing opening 11 is formed on the cover 2, and the button 10 is slidingly arranged in the pressing opening 11. When the button 10 is pressed, the button 10 is pressed in the horizontal direction to move the clamping piece 3 away from one side of the main body 1, so that the clamping piece 3 is rotated to be separated from the main body 1, and at this time, the cover 2 can be opened. When the button 10 is released, the button 10 is pushed back to the original position by the elastic force of the elastic piece 4 through the clamping piece 3, and when the cover 2 is closed, the clamping piece 3 is hooked on the main body 1 to fix the cover 2 and the main body 1. The button 10 can be conveniently pressed to press the clamping piece 3.

[0038] With reference to Figure 4 and Figure 5 In some embodiments, the opposite inner side walls of the cover 2 are provided with guide grooves 12, and the two sides of the button 10 are slidingly connected in the two guide grooves 12. The pressing and resetting of the button 10 can be guided, and the button 10 can be more stably pressed to press the clamping piece 3.

[0039] In some embodiments, a pressing cover 13 connected to the cover 2 is further included, the pressing cover 13 is screwed in the cover 2, and is used to fix the clamping piece 3, so that the clamping piece 3 is conveniently installed. The two sides of the clamping piece 3 are provided with rotating shafts 32, rotating grooves 14 are formed on the cover 2, and the rotating shafts 32 are partially rotatingly connected in the rotating grooves 14. The two sides of the pressing cover 13 cover and limit the rotating shafts 32 to prevent the rotating shafts 32 from being displaced. The pressing cover 13 and the clamping piece 3 are spaced apart from each other, so that the clamping piece 3 can be smoothly rotated, and the rotation angle of the clamping piece 3 is limited to avoid excessive pressing of the clamping piece 3.

[0040] With reference to Figure 4 In some embodiments, the two sides of the clamping piece 3 are further provided with abutting portions 33, and the opposite two inner side walls of the button 10 are respectively in contact with the end faces of the abutting portions 33. The clamping piece 3 can be limited, so that the clamping piece 3 can be more stably pressed.

[0041] The implementation principle of the switch cover structure of the thermal printer in the embodiments of the present application is as follows: when the clamping piece 3 is not pressed, the clamping piece 3 is clamped on the main body 1 by the elastic force of the elastic piece 4, the cover 2 is closed, the clamping piece 3 is separated from the main body 1 when the elastic piece 4 is compressed by pressing the clamping piece 3, and the cover 2 is opened. Therefore, when in use, the cover 2 can be opened and closed by directly pressing the clamping piece 3 with one hand, compared with the traditional double-hand side-pushing or double-hand front-pressing cover opening and closing mechanism, the operation is more convenient and fast, and the user experience is significantly improved.

[0042] The embodiments of the present application further disclose a thermal printer. The thermal printer comprises a main body 1 and a cover 2, one end of the main body 1 is rotatingly connected to one end of the cover 2, and further comprises the switch cover structure of the thermal printer.

[0043] The above are exemplary embodiments disclosed by the present application, but it should be noted that various changes and modifications can be made without departing from the scope of the embodiments disclosed by the present application as defined by the claims. The functions, steps and / or actions of the method claims described herein need not be performed in any particular order. Furthermore, although elements of the embodiments disclosed by the present application can be described or claimed in individual form, unless explicitly restricted, they can also be implemented in multiple forms.

[0044] It should be understood that, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises", "comprising", "includes" and / or "including", as used herein, specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. The embodiment number of the embodiments disclosed by the present application is only for description, and does not represent the advantages and disadvantages of the embodiments.

[0045] Those skilled in the art should understand that the above discussion of any embodiment is only exemplary, and is not intended to imply that the scope of the embodiments disclosed by the present application (including the claims) is limited to these examples; under the idea of the embodiments disclosed by the present application, the technical features in the above embodiments or different embodiments can also be combined, and there are many other changes of the different aspects of the embodiments disclosed by the present application as above, which are not provided in detail for the sake of brevity. Therefore, any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principles of the embodiments disclosed by the present application shall be included in the scope of protection of the embodiments disclosed by the present application.

Claims

1. A switch cover structure of a thermal printer, characterized by: The heat-sensitive printer comprises a main body and a cover, one end of the main body is rotatably connected to one end of the cover; the switch cover structure comprises a clamping piece and an elastic piece, the middle section of the clamping piece is rotatably connected to the other end of the cover, one end of the elastic piece is connected to the middle section of the clamping piece, and the other end is connected to the cover; When the clamping piece is not pressed, the elastic piece provides a force to pull the clamping piece to the inside, one end of the clamping piece is hooked on the main body, limiting the rotation between the cover and the main body, and the cover is closed; when the side of the clamping piece away from the main body is pressed, the elastic piece is compressed, the clamping piece rotates and is separated from the main body, and the cover can be opened along the main body.

2. The switch cover structure of a thermal printer according to claim 1, characterized by: The clamping piece comprises a hook part, the main body is provided with a receiving groove and a clamping edge, when the clamping piece is not pressed, the hook part is in the receiving groove and is hooked on the clamping edge.

3. The switch cover structure of a thermal printer according to claim 1, wherein: The clamping piece is provided with a hooking hole, the cover is provided with a hooking piece, the hooking piece is provided with a hooking groove on the side away from the clamping piece, one end of the elastic piece is hooked on the hooking hole, and the other end is hooked on the hooking groove.

4. The switch cover structure of a thermal printer according to claim 1, wherein: A button is further included, the cover is provided with a pressing opening, and the button is slidingly arranged in the pressing opening; when the button is pressed, the button presses the side of the clamping piece away from the main body, and when the button is released, the elastic force of the elastic piece pushes the button back to the original position through the clamping piece.

5. The switch cover structure of a thermal printer according to claim 4, wherein: The cover is provided with a guide groove, and the button is slidingly connected in the guide groove.

6. The switch cover structure of a thermal printer according to claim 4, wherein: The clamping piece is further provided with abutting parts on both sides, and the inner side walls on the opposite sides of the button are respectively in contact with the end faces of the abutting parts.

7. The switch cover structure of a thermal printer according to claim 1, wherein: A compression cover connected to the cover is further included, both sides of the clamping piece are provided with rotating shafts, the cover is provided with rotating grooves, the rotating shafts are partially rotatably connected in the rotating grooves, both sides of the compression cover cover and limit the rotating shafts, and a space is left between the faces of the compression cover and the clamping piece facing each other.

8. A thermal printer characterized by comprising: The heat-sensitive printer comprises a main body and a cover, one end of the main body is rotatably connected to one end of the cover; the switch cover structure comprises a clamping piece and an elastic piece, the middle section of the clamping piece is rotatably connected to the other end of the cover, one end of the elastic piece is connected to the middle section of the clamping piece, and the other end is connected to the cover;

Images