Embedded miniature printer

Abstract

The utility model relates to the technical field of printers, in particular to an embedded miniature printer. The embedded miniature printer comprises a fixed assembly and a movable assembly, the fixed assembly comprises a shell and a machine core which are connected, a clamping groove is formed in the shell or the machine core, the movable assembly comprises a cover body and a rubber roller, the cover body is connected with the rubber roller in a clamped mode, the rubber roller is connected in the clamping groove in a clamped mode, the cover body is rotatably connected with the fixed assembly through a rotating shaft, and the rotating shaft is parallel to the rubber roller. The cover body is provided with the cover opening groove, the cover opening groove is configured to apply external force in the cover opening groove through the cover opening piece so that the rubber roller can be separated from the clamping groove, the cover body cannot be opened by hands, the cover body can only be opened by means of the cover opening piece, the problem that the cover body is easy to open is avoided, and the safety of the embedded miniature printer in the using process is improved. An uncovering assembly does not need to be arranged between the cover body and the fixing assembly, the sealing effect is improved, dust is prevented from entering the shell, only the uncovering groove is formed in the existing cover body, the structure is simplified, and the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a printer technical field especially relates to a kind of embedded micro printer. BACKGROUND

[0002] At present, embedded micro printer is widely applied in multiple fields, such as vending machine, POS terminal, medical equipment, logistics and transportation and vending machine etc.

[0003] The commonly used embedded micro printer includes fixed assembly, movable assembly and uncovering assembly. Among them, fixed assembly and movable assembly are rotatably connected by rotating shaft, uncovering assembly is parallel to rotating shaft, and uncovering assembly is located between movable assembly and fixed assembly. Fixed assembly includes shell and core, movable assembly includes cover and rubber roller, and rubber roller is connected with the clamping groove on shell to realize the connection between movable assembly and fixed assembly. Uncovering assembly includes driving shaft, driving protrusion and driving piece. Driving shaft is connected with driving piece, and driving shaft is rotatably arranged on cover, driving protrusion is connected with driving piece, driving piece drives driving shaft to rotate preset angle, and part of driving protrusion can abut with part of fixed assembly to drive rubber roller to separate from clamping groove to open cover.

[0004] However, the above-mentioned embedded micro printer has two problems: first, the operator can open the cover by pulling the driving block with bare hands, which has low safety; second, after the above-mentioned embedded micro printer is assembled, the driving piece has a small range of activity angle, which causes a certain gap between the driving piece and the cover, which cannot be sealed, and dust is easy to enter the shell.

[0005] To solve the above problems, an embedded micro printer is urgently needed. INVENTION CONTENTS

[0006] The utility model aims at providing an embedded micro printer, which avoids easy opening of the cover, improves the stability of the cover closure, and improves the safety of the embedded micro printer during use. The cover is opened through the uncovering groove structure, without the need for an uncovering assembly, which simplifies the structure, reduces the cost, improves the sealing effect between the cover and the shell, avoids dust entering the shell, and expands the application range.

[0007] To achieve this purpose, the utility model adopts the following technical solutions:

[0008] An embedded micro printer includes:

[0009] Fixed assembly includes shell and core connected, and clamping groove is arranged on the shell or the core;

[0010] The activity assembly comprises a cover and a rubber roller, the cover is connected with the rubber roller, the rubber roller is connected in the clamping groove, and the cover is rotatably connected with the fixing assembly through a rotating shaft, and the rotating shaft is parallel to the rubber roller.

[0011] The cover is provided with an opening slot, and the opening slot is configured to apply an external force to the opening slot by an opening piece, so that the rubber roller is separated from the clamping groove, and the cover is opened.

[0012] As an optional solution, the opening slot is arranged close to the rubber roller.

[0013] As an optional solution, the cover comprises:

[0014] a body provided with an opening;

[0015] a side wall connected with the inner wall of the opening; and

[0016] a groove bottom connected with the side wall in the circumferential direction, and the side wall and the groove bottom are jointly arranged to form an opening slot.

[0017] As an optional solution, the cross-sectional shape of the opening slot is in the form of a line, L, or T along the depth direction of the opening slot.

[0018] As an optional solution, when the cross-sectional shape of the opening slot is in the form of a line, the shape of the opening is in the form of a circle, a square, a strip, a regular polygon or an irregular polygon.

[0019] As an optional solution, when the cross-sectional shape of the opening slot is in the form of L, the shape of the opening is in the form of a strip, and the opening slot comprises:

[0020] an extension slot perpendicular to the end surface of the cover; and

[0021] a force applying slot connected with the extension slot in the form of L.

[0022] As an optional solution, the force applying slot is located on the side of the extension slot close to the rubber roller.

[0023] As an optional solution, when the cross-sectional shape of the opening slot is in the form of T, the shape of the opening is in the form of a strip, and the opening slot comprises:

[0024] an extension slot perpendicular to the end surface of the cover; and

[0025] a force applying slot connected with the extension slot in the form of T, and the force applying slot extends along the direction perpendicular to the axis of the rubber roller.

[0026] As an alternative, the cross-sectional shape of the cover opening groove is tapered along the depth direction of the cover opening groove, and the cross-sectional size of the cover opening groove increases with the increase of the depth of the cover opening groove.

[0027] As an alternative, the cover body is further provided with a containing groove configured to place a cover opening piece.

[0028] The utility model discloses the beneficial effect is:

[0029] The utility model discloses an embedded micro -printer, the embedded micro -printer includes fixed assembly and movable assembly. Among them, fixed assembly includes the shell and movement core who links together, is equipped with the clamping groove on the shell or movement core, movable assembly includes the cover body and rubber roller, and the cover body is connected with rubber roller, and rubber roller is connected in the clamping groove, and the cover body is rotatablely connected with fixed assembly through the pivot, and the pivot is parallel to rubber roller, and the cover body is equipped with the cover opening groove, and the cover opening groove is configured to through the cover opening piece and applies external force in the cover opening groove, can make rubber roller separate the clamping groove. The cover body of the embedded micro -printer can not be opened by hand, must open the cover body by the aid of the cover opening piece, avoids the problem that the cover body is easy to open, is favorable to improve the stability of the cover body closure, and then improves the security of embedded micro -printer use process. Meanwhile, compared with the embedded micro -printer in the prior art, the micro -printer of this embodiment does not need to set the cover opening component between the cover body and fixed assembly, makes the cover body directly cover on the paper bin, is favorable to increase the sealing effect between the cover body and fixed assembly, avoids the dust into the shell, is favorable to increase the sealing property, is favorable to expand its application range. And the embedded micro -printer only sets the cover opening groove on the existing cover body, simplifies the structure, and reduces the cost. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical scheme in the utility model embodiment, the following will be needed to use the drawings in the utility model embodiment description briefly introduced, obviously, the following description in the drawings is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, according to the content of the utility model embodiment and these drawings, other drawings can be obtained.

[0031] Figure 1 It is the structure schematic diagram of the embedded micro -printer provided in the utility model embodiment one;

[0032] Figure 2 It is the local structure schematic diagram of the embedded micro -printer provided in the utility model embodiment one

[0033] Figure 3 It is the cross section structure schematic diagram of the embedded micro -printer provided in the utility model embodiment one;

[0034] Figure 4 is Figure 3 is a partial enlarged view of the part A in the figure;

[0035] Figure 5 is a schematic diagram of a partial cross-sectional structure of the uncapping groove when the cross-sectional shape of the uncapping groove is L-shaped according to the second embodiment of the present utility model Figure 1 ;

[0036] Figure 6 is a schematic diagram of a partial cross-sectional structure of the uncapping groove when the cross-sectional shape of the uncapping groove is L-shaped according to the second embodiment of the present utility model Figure 2 ;

[0037] Figure 7 is a schematic diagram of a partial cross-sectional structure of the uncapping groove when the cross-sectional shape of the uncapping groove is T-shaped according to the third embodiment of the present utility model Figure 1 ;

[0038] Figure 8 is a schematic diagram of a partial cross-sectional structure of the uncapping groove when the cross-sectional shape of the uncapping groove is T-shaped according to the third embodiment of the present utility model Figure 2 ;

[0039] Figure 9 is a schematic diagram of a partial cross-sectional structure of the uncapping groove when the cross-sectional shape of the uncapping groove is conical according to the fourth embodiment of the present utility model.

[0040] The figure is marked as follows:

[0041] 1000-embedded micro printer;

[0042] 100-fixed assembly; 110-housing; 111-clamping groove; 120-movement core;

[0043] 200-movable assembly; 210-cover; 211-uncapping groove; 2111-extension groove; 2112-force applying groove; 212-body; 2121-opening; 213-side wall; 214-groove bottom; 220-rubber roller;

[0044] 2000-uncapping piece; 2001-first hand holding part; 2002-first extension part; 2003-second hand holding part; 2004-second extension part. DETAILED DESCRIPTION

[0045] The present utility model will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, and not to limit the present utility model. In addition, it should be noted that, in order to facilitate the description, only the part structure related to the present utility model is shown in the drawings, not the whole structure.

[0046] In the description of the utility model, unless another definite provision and limitation, the term "link", "connect", "fix" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two element internal structure's communication or two element's interaction relationship.For the ordinary skill in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0047] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can include the first and second features direct contact, also can include the first and second features are not direct contact but contact through the additional feature between them.Moreover, the first feature is "on", "above" and "on" the second feature includes the first feature is directly above and obliquely above the second feature, or just indicates that the horizontal height of the first feature is higher than the second feature.The first feature is "under", "below" and "under" the second feature includes the first feature is directly below and obliquely below the second feature, or just indicates that the horizontal height of the first feature is less than the second feature.

[0048] In the description of the embodiment, the orientation or position relationship of the terms "on", "under", "left", "right" and the like is based on the orientation or position relationship shown in the drawing, only for the convenience of description and simplification operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model.In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0049] Embodiment one

[0050] As Figures 1-3As shown, the embodiment provides an embedded micro printer 1000, which comprises a fixed assembly 100 and a movable assembly 200. The fixed assembly 100 comprises a shell 110 and a core 120 connected together, and the shell 110 is provided with a paper bin for accommodating a paper roll. The shell 110 or the core 120 is provided with a clamping groove 111, and the movable assembly 200 comprises a cover 210 and a rubber roller 220. The cover 210 is clamped with the rubber roller 220, the rubber roller 220 is clamped in the clamping groove 111, and the cover 210 is rotatably connected with the fixed assembly 100 through a rotating shaft, and the rotating shaft is parallel to the rubber roller 220. The embedded micro printer 1000 realizes the connection between the movable assembly 200 and the fixed assembly 100 through the clamping of the rubber roller 220 and the clamping groove 111. Since the paper roll is a consumable, when the paper roll is exhausted, the cover 210 needs to be opened to put in a new paper roll. When the cover 210 is opened, the rubber roller 220 needs to be separated from the clamping groove 111, the cover 210 is rotated relative to the fixed assembly 100, the paper bin is in an open state, the paper roll can be taken out, and the paper roll can be replaced. Of course, in order to make the rubber roller 220 more stable in the clamping groove 111 and prevent it from being separated, a clamping spring for clamping the rubber roller 220 can also be arranged on the clamping groove 111.

[0051] Please continue to see Figures 1-3 In order to open the cover 210, the cover 210 is provided with an opening slot 211, and the opening slot 211 is configured to exert an external force on the opening slot 211 through an opening piece 2000, so that the rubber roller 220 can be separated from the clamping groove 111. The specific method is that the opening piece 2000 is inserted into the opening slot 211, and then the opening piece 2000 is pried downward or pulled outward, so that the rubber roller 220 is separated from the clamping state with the fixed assembly 100, that is, the rubber roller 220 is separated from the clamping groove 111 under the action of the opening piece 2000, and the purpose of opening the paper bin is achieved.

[0052] The cover 210 of the embedded micro printer 1000 cannot be opened by hand, and the cover 210 must be opened with the help of the opening piece 2000, which avoids the problem that the cover 210 is easily opened, is conducive to improving the stability of the closed cover 210, and further improves the safety of the embedded micro printer 1000 during use. At the same time, compared with the embedded micro printer 1000 in the prior art, the micro printer of the embodiment does not need to arrange an opening assembly between the cover 210 and the fixed assembly 100, so that the cover 210 directly covers the paper bin, which is conducive to increasing the sealing effect between the cover 210 and the fixed assembly 100, avoiding dust from entering the shell 110, increasing the sealing property, and expanding the application range. Moreover, the embedded micro printer 1000 only sets the opening slot 211 on the existing cover 210, which simplifies the structure and reduces the cost.

[0053] In order to facilitate the opening of the cover 210, the opening slot 211 is arranged close to the rubber roller 220.

[0054] Optionally, as shown in Figure 4 , the cover 210 comprises a body 212, a sidewall 213 and a groove bottom 214. The body 212 is provided with an opening 2121, the sidewall 213 is connected with the inner wall of the opening 2121, and the circumferential direction of the groove bottom 214 is connected with the sidewall 213. The sidewall 213 and the groove bottom 214 jointly form the cover opening groove 211. The cover opening groove 211 has a simple structure, is easy to process, and is conducive to reducing costs.

[0055] As an embodiment, please refer to Figure 1 and Figure 4 , along the depth direction of the cover opening groove 211, the cross-sectional shape of the cover opening groove 211 is a one-dimensional type. The cross section of the cover opening groove 211 is parallel to the depth direction of the cover opening groove 211. The cover opening groove 211 has a simple structure and is easy to process. When the cross-sectional shape of the cover opening groove 211 is a one-dimensional type, the cover opening piece 2000 can be various shaped pry bars, screwdrivers, metal or non-metal sheet bodies or rod bodies, etc. In use, the cover opening piece 2000 is only inserted into the cover opening groove 211, and then the cover opening piece 2000 is pressed down to make the cover opening piece 2000 form a certain angle with the cover 210, so as to realize the opening of the cover 210.

[0056] Further, when the cross-sectional shape of the cover opening groove 211 is a one-dimensional type, the shape of the opening 2121 is circular, square, strip-shaped, regular polygon or irregular polygon, so as to reduce the restriction on the cover opening piece 2000 and facilitate the operator to pry the cover plate with a tool.

[0057] Exemplarily, the cover opening piece 2000 includes but is not limited to various shaped pry bars, screwdrivers, metal or non-metal sheet bodies or rod bodies, pull rods, etc.

[0058] Optionally, the cover 210 is further provided with a containing groove configured to place the cover opening piece 2000, so as to facilitate the operator to take it. The containing groove can be arranged at any position of the cover 210 where a groove structure can be arranged, and the embodiment is not specifically limited.

[0059] Embodiment two

[0060] The embodiment provides an embedded micro printer 1000, which is different from the embodiment one in that the cross-sectional shape of the cover opening groove 211 is different along the depth direction of the cover opening groove 211. Here, only the difference between the embodiment two and the embodiment one is described.

[0061] In the embodiment, as shown in Figure 5As shown, along the depth direction of the opening groove 211, the cross-sectional shape of the opening groove 211 is L-shaped, and the shape of the opening 2121 is strip-shaped. The opening groove 211 includes an extension groove 2111 perpendicular to the end face of the cover 210 and a force applying groove 2112 connected with the extension groove 2111 in an L shape. Optionally, the opening device 2000 includes, but is not limited to, various shapes of crowbars, screwdrivers, metal or non-metal rods, pull rods, etc.

[0062] In addition, as shown in Figure 5 and Figure 6 If the opening device 2000 is also an L-shaped rod structure, the opening device 2000 includes a first hand-held part 2001 and a first extension part 2002 connected in an L shape. When the opening device 2000 extends into the strip-shaped opening 2121, the first extension part 2002 first extends into the extension groove 2111 in the opening 2121 direction of the strip-shaped opening 2121, and the strip-shaped opening 2121 can accommodate the length of the first extension part 2002. Then, when the opening device 2000 extends to the bottom, the opening device 2000 can be rotated by 90°, so that the first extension part 2002 at least partially extends into the force applying groove 2112, so that the operator can exert downward pressure or outward pulling force at one end of the first hand-held part 2001 of the opening device 2000 to open the cover 210.

[0063] Meanwhile, the opening device 2000 can also be an L-shaped plate structure, and the opening device 2000 includes a first hand-held part 2001 and a first extension part 2002 connected in an L shape, and the first hand-held part 2001 and the first extension part 2002 are both plate-shaped. As shown in Figure 6 the width of the extension groove 2111 is not less than the length of the first extension part 2002, so that the first extension part 2002 can extend into the extension groove 2111. When the opening device 2000 extends to the bottom of the extension groove 2111, the opening device 2000 can be moved to the force applying groove 2112 direction, so that the first extension part 2002 is at least partially located in the force applying groove 2112, so that the operator can exert downward pressure or outward pulling force at one end of the first hand-held part 2001 of the opening device 2000 to open the cover 210.

[0064] At this time, the force applying groove 2112 is located on the side of the extension groove 2111 close to the rubber roller 220, and according to the principle of lever, the force applying groove 2112 located on the side of the extension groove 2111 close to the rubber roller 220 is beneficial to the operator to save labor.

[0065] Example Three

[0066] The embodiment provides an embedded micro printer 1000, which is different from the first embodiment in that the cross-sectional shape of the cover opening groove 211 is different along the depth direction of the cover opening groove 211. Only the difference between the third embodiment and the first embodiment is described herein.

[0067] In the embodiment, as shown in Figure 7 and Figure 8 , the cross-sectional shape of the cover opening groove 211 is T-shaped along the depth direction of the cover opening groove 211, and the shape of the opening 2121 is strip-shaped. The cover opening groove 211 includes an extension groove 2111 and a force applying groove 2112, the extension groove 2111 is perpendicular to the end surface of the cover 210, and the force applying groove 2112 is connected with the extension groove 2111 in a T shape, and the force applying groove 2112 extends along the direction perpendicular to the axis of the rubber roller 220.

[0068] Optionally, the cover opening member 2000 includes but is not limited to various shapes of crowbars, screwdrivers, metal or non-metal rods, pull rods and the like.

[0069] In addition, referring to Figure 8 , the cover opening member 2000 can also be a T-shaped rod structure, and the cover opening member 2000 includes a second hand holding part 2003 and a second extension part 2004 connected in a T shape. When the cover opening member 2000 extends into the strip-shaped opening 2121, the second extension part 2004 first extends into the extension groove 2111 along the opening 2121 direction of the strip-shaped opening 2121, and the strip-shaped opening 2121 can accommodate the length of the second extension part 2004. Then, when the cover opening member 2000 extends to the bottom, the cover opening member 2000 can be rotated by 90°, so that the second extension part 2004 at least partially extends into the force applying groove 2112, so that the operator can exert downward pressure or outward pulling force at one end of the second hand holding part 2003 of the cover opening member 2000 to open the cover 210.

[0070] The cover opening member 2000 can also be a T-shaped plate structure, and the cover opening member 2000 includes a second hand holding part 2003 and a second extension part 2004 connected in a T shape, and the second hand holding part 2003 and the second extension part 2004 are both plate structures, and the width of the extension groove 2111 is not less than the length of the second extension part 2004, so that the second extension part 2004 can extend into the extension groove 2111. When the cover opening member 2000 extends to the bottom of the extension groove 2111, the cover opening member 2000 can be moved in any direction of the force applying groove 2112, so that the second extension part 2004 is located in the force applying groove 2112, so that the operator can exert downward pressure or outward pulling force at one end of the second hand holding part 2003 of the cover opening member 2000 to open the cover 210.

[0071] Embodiment four

[0072] The embodiment provides an embedded micro printer 1000, which is different from the first embodiment in that the cross-sectional shape of the cover opening groove 211 is different in the depth direction of the cover opening groove 211. Here, only the difference between the fourth embodiment and the first embodiment is described.

[0073] In the embodiment, as shown in Figure 9 The cross-sectional shape of the cover opening groove 211 is conical in the depth direction of the cover opening groove 211, and the cross-sectional size of the cover opening groove 211 increases with the increase of the depth of the cover opening groove 211. When the operator applies downward pressure to the cover opening piece 2000, the cover opening piece 2000 first tilts, and then exerts force on the side wall 213 of the cover opening groove 211 to pry the cover 210. In the structure, the cover opening piece 2000 has a large component force in the direction in which the cover 210 is opened, and it is easier to open the cover 210.

[0074] Optionally, the cover opening piece 2000 includes but is not limited to various shapes of pry bars, screwdrivers, metal or non-metal rods, pull rods and the like.

[0075] It should be understood by those skilled in the art that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model. The utility model falls within the scope of protection, and the scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An embedded micro-printer, comprising: a fixed assembly (100) comprising a housing (110) and a core (120) connected together, the housing (110) or the core (120) being provided with a clamping groove (111); a movable assembly (200) comprising a cover (210) and a rubber roller (220), the cover (210) being clamped with the rubber roller (220), the rubber roller (220) being clamped in the clamping groove (111), and the cover (210) being rotatably connected with the fixed assembly (100) through a rotating shaft, the rotating shaft being parallel to the rubber roller (220); characterized in that the cover (210) is provided with an opening groove (211), the opening groove (211) being configured to exert an external force on the opening groove (211) by an opening member (2000), so as to enable the rubber roller (220) to be separated from the clamping groove (111) to open the cover (210).

2. The embedded micro-printer of claim 1, wherein, The opening groove (211) is arranged close to the rubber roller (220).

3. The embedded microprinler of claim 1, wherein, The cover (210) comprises: a body (212) provided with an opening (2121); a side wall (213) connected with the inner wall of the opening (2121); and a groove bottom (214) whose circumferential direction is connected with the side wall (213), and the side wall (213) and the groove bottom (214) jointly form the opening groove (211).

4. The embedded micro printer of claim 3, wherein, In the depth direction of the opening groove (211), the cross-sectional shape of the opening groove (211) is a one-letter type, an L type, or a T type.

5. The embedded micro printer of claim 4, wherein, When the cross-sectional shape of the opening groove (211) is a one-letter type, the shape of the opening (2121) is a circular shape, a square shape, a strip shape, or a regular polygonal shape.

6. The embedded micro printer of claim 4, wherein, When the cross-sectional shape of the opening groove (211) is an L type, the shape of the opening (2121) is a strip shape, and the opening groove (211) comprises: an extension groove (2111) perpendicular to the end face of the cover (210); and a force applying groove (2112) connected with the extension groove (2111) in an L type.

7. The embedded microprinler of claim 6, wherein, The force applying groove (2112) is located on the side of the extension groove (2111) close to the rubber roller (220).

8. The embedded microprinler of claim 4, wherein, When the cross-sectional shape of the opening groove (211) is a T type, the shape of the opening (2121) is a strip shape, and the opening groove (211) comprises: an extension groove (2111) perpendicular to the end face of the cover (210); and a force applying groove (2112) connected with the extension groove (2111) in a T type, and the force applying groove (2112) extends along the axis direction perpendicular to the rubber roller (220).

9. The embedded microprinler according to any of claims 1-8, characterized in that In the depth direction of the opening groove (211), the cross-sectional shape of the opening groove (211) is a taper shape, and the cross-sectional size of the opening groove (211) increases with the increase of the depth of the opening groove (211).

10. The embedded microprinler according to any of claims 1-8, characterized in that The cover (210) is further provided with a containing groove configured to place the opening member (2000).

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