Printing device

Abstract

The utility model discloses a printing device, and relates to the technical field of printing. The printing device comprises a shell, the shell comprises a first shell and a second shell which are movably connected, the first shell is provided with a key opening, a limiting groove and a first buckle, and the second shell is provided with a second buckle connected with the first buckle in a matched mode; the key is arranged at the key opening, and the key can drive the first buckle to move, so that the first buckle and the second buckle are disconnected; and the elastic piece is limited in the limiting groove, and the elastic piece is used for resetting the key. According to the utility model, the elastic piece is limited through the limiting groove arranged on the first shell, the elastic piece does not need to be fixed through a connecting piece, assembly materials are reduced, the cost is reduced, and the size of the printing device can be further miniaturized.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing technical field especially relates to a printing device. BACKGROUND

[0002] In prior art, the printer includes a box body and a flip cover, one end of the box body and the flip cover is rotationally connected, the other end of the box body and the flip cover is connected through a key switch, the key switch has a reset spring, the reset spring is fixed through a screw, the scheme needs more installation space, which is not conducive to further miniaturization of the printer. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims at providing a printing device which can reduce the installation space and further miniaturize the size of the printing device.

[0004] According to one aspect of the utility model, a printing device is provided, which comprises:

[0005] A shell comprises a first shell and a second shell connected movably, the first shell is provided with a key opening, a limiting groove and a first buckle, and the second shell is provided with a second buckle matched with the first buckle;

[0006] A key is arranged in the key opening, and the key can drive the first buckle to move so as to disconnect the first buckle from the second buckle.

[0007] An elastic member is limited in the limiting groove, and the elastic member is used to reset the key.

[0008] The printing device of the utility model limits the elastic member through the limiting groove arranged on the first shell, does not need to fix the elastic member through a connecting member, reduces assembly materials, reduces cost, and can further miniaturize the size of the printing device.

[0009] In some embodiments, the first shell is provided with two limiting portions, both of which comprise the limiting groove, and both ends of the elastic member are respectively limited in different limiting grooves.

[0010] In some embodiments, both of the limiting portions further comprise a limiting wall, and both ends of the elastic member are respectively pressed against different limiting walls.

[0011] In some embodiments, both of the limiting portions further comprise a limiting opening, and both ends of the elastic member are respectively loaded into corresponding limiting grooves from different limiting openings.

[0012] In some embodiments, the two limiting parts each further comprise a limiting protrusion, the two limiting protrusions are respectively located in different limiting openings, and the two limiting protrusions are respectively used for preventing different ends of the elastic member from being separated from the corresponding limiting slot.

[0013] In some embodiments, the key comprises:

[0014] A sliding part, which is capable of moving the first buckle;

[0015] A pressing part, which is capable of moving the sliding part in a direction away from the key opening, so as to disconnect the first buckle and the second buckle.

[0016] In some embodiments, the sliding part is provided with a fixing part, the elastic member is arranged in the fixing part, and the elastic member is used for moving the sliding part in a direction towards the key opening, so as to reset the pressing part.

[0017] In some embodiments, the first buckle is fixed to the sliding part.

[0018] In some embodiments, the first shell is provided with a first limiting boss, the pressing part is provided with a second limiting boss, and the first limiting boss and the second limiting boss are matched to limit the pressing part in the first shell.

[0019] In some embodiments, the first shell is provided with a mounting slot, and the sliding part is mounted in the mounting slot, so that the sliding part can move relative to the mounting slot.

[0020] Compared with the prior art, the printing device of the utility model, through the limiting slot of the first shell, the elastic member is limited, the elastic member does not need to be fixed through the connecting piece, the assembly material is reduced, the cost is reduced, and the size of the printing device can be further miniaturized. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a first view structural schematic drawing when the printing device of an embodiment of the utility model is opened;

[0022] Figure 2 It is a second view structural schematic drawing when the printing device of an embodiment of the utility model is opened;

[0023] Figure 3 It is a structural schematic drawing of the printing device of an embodiment of the utility model without the second shell;

[0024] Figure 4 It is a first view structural schematic drawing of the first frame body of the printing device of an embodiment of the utility model;

[0025] Figure 5 This is a partial structural schematic diagram of the first frame of the printing device according to an embodiment of the present invention from a second perspective.

[0026] Figure 6 This is a partial structural schematic diagram of the first frame of the printing device according to an embodiment of the present invention from a third-view perspective.

[0027] Figure 7 This is a schematic diagram of the key structure of the printing device according to one embodiment of the present invention;

[0028] Figure 8 This is a schematic diagram of the printing device after the cover is closed according to one embodiment of the present invention;

[0029] Figure 9 This is a cross-sectional view of a portion of the structure of the printing device according to one embodiment of the present invention after the cover is closed.

[0030] Reference numerals in the attached drawings: 100, first housing 110, first outer shell 111, first limiting boss 1111, first frame 112, receiving part 1121, snap-fit ​​receiving part 1122, button opening 113, mounting groove 114, limiting part 115, limiting groove 1151, limiting wall 1152, limiting opening 1153, limiting protrusion 1154, second housing 120, second outer shell 121, second frame 122, pivot mounting part 1221, ... A rotating shaft 130, a cover opening spring 131, a tape roll mounting part 140, a media positioning shaft 141, a printing channel 150, an outlet 151, a paper cutting part 160, a printing part 200, a print head 210, a printing roller 220, a roller shaft 221, a roller body 222, a fixed connection part 300, a first buckle 310, a second buckle 320, a button 400, a pressing part 410, a second limiting boss 411, a sliding part 420, a fixing part 421, and an elastic element 500. Detailed Implementation

[0031] The present invention will now be described in further detail with reference to the accompanying drawings.

[0032] This invention provides a printing device, such as... Figures 1-9 As shown, the printing device includes a housing 100, a printing section 200, a fixed connection section 300, a button 400, and an elastic element 500.

[0033] like Figure 1 and Figure 2As shown, the shell 100 comprises a first shell 110 and a second shell 120, the second shell 120 is movably connected with the first shell 110, so that the second shell 120 and the first shell 110 can realize the opening or closing action, in the embodiment, the second shell 120 is rotatably connected with the first shell 110, specifically, the first end of the second shell 120 is rotatably connected with the first end of the first shell 110 through a first rotating shaft 130, when opening, the second shell 120 rotates around the first rotating shaft 130, the second end of the second shell 120 (which is opposite to the first end of the second shell 120) rotates towards the direction away from the first shell 110, so as to realize the opening action; when closing, the second shell 120 rotates around the first rotating shaft 130, the second end of the second shell 120 rotates towards the direction close to the first shell 110, so as to realize the closing action.

[0034] As Figures 1-4 and Figure 8As shown, the first shell 110 includes a first outer shell 111 and a first frame 112, the first frame 112 is arranged in the first outer shell 111, the second shell 120 includes a second outer shell 121 and a second frame 122, the second frame 122 is arranged in the second outer shell 121, the first end of the first frame 112 has a receiving portion 1121, the receiving portion 1121 is a groove, the first end of the second frame 122 has a rotating shaft mounting portion 1221, the rotating shaft mounting portion 1221 extends from the second frame 122 in a direction perpendicular to the second frame 122, and then bends and extends in a direction parallel to the second frame 122, and the extending direction is the same as the direction of the first end of the first frame 112, so that the rotating shaft mounting portion 1221 is approximately L-shaped, the first end of the rotating shaft mounting portion 1221 is connected with the second frame 122, the second end of the rotating shaft mounting portion 1221 is rotatably connected with the receiving portion 1121 of the first frame 112 through the first rotating shaft 130, and when the cover is closed, the rotating shaft mounting portion 1221 can be completely accommodated in the receiving portion 1121, the axis of the first rotating shaft 130 is parallel to the first frame 112 and the second frame 122, the first rotating shaft 130 is sleeved with an opening cover spring 131, the opening cover spring 131 is a torsion spring, the first end of the opening cover spring 131 abuts against the first frame 112, and the second end of the opening cover spring 131 abuts against the second frame 122, when the cover is closed, the second end of the second frame 122 rotates towards the direction close to the first frame 112 with the first rotating shaft 130 as the rotating shaft, the opening cover spring 131 is gradually pressed, and the opening cover spring 131 applies elastic force to the first frame 112 and the second frame 122 respectively, and the second frame 122 needs to overcome the elastic force applied by the opening cover spring 131 to complete the closing action; when the cover is opened, the pressed opening cover spring 131 applies elastic force to the first frame 112 and the second frame 122 respectively, and the second end of the second frame 122 rotates towards the direction away from the first frame 112 under the action of the elastic force of the opening cover spring 131, thereby automatically completing the opening action.

[0035] As shown, Figures 1-4 The first frame 112 is provided with a tape roll mounting portion 140, which is approximately a cylindrical groove, the tape roll mounting portion 140 is provided with a medium positioning shaft 141, the axis of the medium positioning shaft 141 is perpendicular to the first frame 112, the tape roll mounting portion 140 can be used to accommodate a printing medium roll (not shown in the figure), the printing medium roll is formed by winding a printing tape, when the printing medium roll is loaded in the tape roll mounting portion 140, the core of the printing medium roll is sleeved with the medium positioning shaft 141 to prevent the printing medium roll from shifting, and the width direction of the printing tape is parallel to the axis of the medium positioning shaft 141.

[0036] As shown, Figures 1-3As shown in

[0037] As shown in Figure 1 and Figure 2 The printing part 200 includes a print head 210 and a print roller 220, the print head 210 and the print roller 220 are respectively located on both sides of the printing channel 150, the print head 210 is closer to the containing part 1121 than the print roller 220, the print head 210 cooperates with the print roller 220 to clamp the printing tape passing through the printing channel 150 and print, and the print roller 220 rotates to convey the printing tape, so that the printed printing tape is discharged from the discharge port 151.

[0038] As shown in Figure 1 and Figure 2 The print roller 220 includes a roller shaft 221 and a roller body 222, the roller shaft 221 is installed on the first frame 112 and can rotate around the axis line of the roller shaft 221, the axis line of the roller shaft 221 is parallel to the axis line of the medium positioning shaft 141, the roller body 222 is sleeved on the roller shaft 221 and can rotate with the roller shaft 221, during printing, the print head 210 and the roller body 222 of the print roller 220 are pressed, the printing tape is clamped between the print head 210 and the roller body 222 of the print roller 220, the print head 210 heats to make the printing tape surface show the printing mark, and the roller body 222 of the print roller 220 rotates to convey the printing tape, so that the printed printing tape is discharged from the discharge port 151.

[0039] As shown in Figure 1 and Figure 2As shown, the first housing 110 is provided with a paper cutting part 160, which is located at the discharge port 151 and can be fixedly connected with the first frame 112 and / or the first housing 111. The paper cutting part 160 is parallel to the discharge port 151 so that the printing tape can be smoothly discharged from the discharge port 151. In this embodiment, the paper cutting part 160 is a metal paper cutter. After the printing tape is discharged from the discharge port 151, the user can fold the printing tape towards the paper cutting part 160 at the paper cutting part 160 so as to cut / tear the printing tape at the paper cutting part 160. In other embodiments, the paper cutting part 160 can be a paper cutter or a more sharp housing edge or other components capable of tearing or cutting the printing tape.

[0040] As shown in Figure 1 and Figure 6 As shown, the second ends of the first housing 110 and the second housing 120 are provided with a fixed connection part 300. The fixed connection part 300 is used to fixedly connect the second end of the first housing 110 with the second end of the second housing 120 when the cover is closed. The fixed connection part 300 can also be unlocked to separate the second end of the second housing 120 from the second end of the first housing 110. Under the action of the cover opening spring 131, the second end of the second housing 120 rotates away from the first housing 110, thereby automatically completing the cover opening action.

[0041] As shown in Figures 1-4 The fixed connection part 300 includes a first buckle 310 and a second buckle 320. The second end of the first frame 112 of the first housing 110 is provided with a buckle accommodating part 1122 opposite to the first frame 112. The first buckle 310 is arranged in the buckle accommodating part 1122 and extends perpendicularly to the first frame 112. The buckle accommodating part 1122 is a groove. The second end of the second housing 121 of the second housing 120 is provided with the second buckle 320 opposite to the first frame 112. The second buckle 320 extends perpendicularly to the second housing 121. When the cover is closed, the second buckle 320 extends into the buckle accommodating part 1122 and is connected with the first buckle 310. After the second buckle 320 and the first buckle 310 are connected, the first buckle 310 and the second buckle 320 can be completely accommodated in the buckle accommodating part 1122, so that the second housing 120 can better fit the first housing 110.

[0042] As shown in Figure 3As shown, the first shell 110 is provided with a key opening 113, which is a substantially rectangular opening, the key opening 113 penetrates the first shell 110 at the second end thereof in the direction thereof, and extends into the first frame 112 at the opposite direction of the second end of the first shell 110 (i.e. the direction of the first end of the first shell 110), and communicates with the buckle accommodating portion 1122 of the first frame 112 in the direction perpendicular to the first frame 112, the key 400 is arranged in the key opening 113, and the key 400 can drive the first buckle 310 to move, when the user presses the key 400, the key 400 moves towards the first end of the first shell 110, and the key 400 drives the first buckle 310 to move towards the first end of the first shell 110 in the process of movement, the first buckle 310 gradually moves away from the second buckle 320, so that the first buckle 310 is disconnected from the second buckle 320 (i.e. the fixed connecting portion 300 is unlocked), the second end of the second shell 120 is separated from the second end of the first shell 110, and the second end of the second shell 120 rotates away from the first shell 110 under the action of the cover opening spring 131, so as to automatically complete the cover opening action.

[0043] As shown in Figures 5-7 and Figure 9 The key 400 includes a pressing portion 410 and a sliding portion 420, the pressing portion 410 is closer to the first shell 111 than the sliding portion 420, part of the pressing portion 410 extends from the first shell 110 to outside the first shell 110 in the key opening 113 for the user to press, and the sliding portion 420 is in abutment with the part of the pressing portion 410 in the key opening 113 towards the first end of the first shell 110, the first buckle 310 is fixed to one side of the sliding portion 420 close to the second shell 120, and the fixing manner of the first buckle 310 can be integral molding or fixed to the sliding portion 420 through a fixing structure; when the user presses the pressing portion 410, the pressing portion 410 can drive the sliding portion 420 to move away from the key opening 113 (i.e. in the direction towards the first end of the first shell 110), and the sliding portion 420 can drive the first buckle 310 to move in the direction towards the first end of the first shell 110, so that the first buckle 310 is disconnected from the second buckle 320.

[0044] As shown in Figure 9As shown, the first housing 110 is provided with a first limiting boss 1111 which extends from the first housing 111 into the key opening 113 and is perpendicular to the first frame 112. The pressing part 410 is provided with a second limiting boss 411 which extends outwardly from the pressing part 410 and is opposite to the extending direction of the first limiting boss 1111. The second limiting boss 411 is in abutment with the first limiting boss 1111, so that part of the pressing part 410 extends from the first housing 110 out of the key opening 113 and is prevented from being separated from the first housing 110 out of the key opening 113 by the abutment of the second limiting boss 411 and the first limiting boss 1111, so that the pressing part 410 is limited in the first housing 110.

[0045] As shown in Figure 4 and Figure 9 , the first frame 112 of the first housing 110 is provided with a mounting groove 114 which is parallel to the first end of the first housing 110. The sliding part 420 is mounted in the mounting groove 114 by clamping, so that the sliding part 420 can move towards or away from the first end of the first housing 110 relative to the mounting groove 114, and the sliding part 420 can also be limited in the first housing 110.

[0046] As shown in Figure 5 , Figure 8 and Figure 9 , when the cover is closed after being opened, the second buckle 320 extends into the buckle accommodating portion 1122 again. When the user presses the key 400 last time, the key 400 drives the first buckle 310 to move towards the first end of the first housing 110 in the process of movement, and the first buckle 310 gradually moves away from the second buckle 320, so that the first buckle 310 and the second buckle 320 are disconnected, so that the second buckle 320 cannot be connected with the first buckle 310 when re-entering the buckle accommodating portion 1122. The elastic member 500 is used to reset the key 400. In the process of resetting, the key 400 drives the first buckle 310 to move to the position where the first buckle 310 and the second buckle 320 are connected, so that the first buckle 310 and the second buckle 320 are connected again, and the second end of the first housing 110 and the second end of the second housing 120 are connected again.

[0047] As shown in Figures 5-7 and Figure 9As shown, the other side of the sliding part 420 away from the first buckle 310 (i.e. the other side of the sliding part 420 away from the second housing 120) is provided with a fixing part 421, the fixing part 421 extends from the sliding part 420 away from the second housing 120, and the extending direction of the fixing part 421 is opposite to the extending direction of the first buckle 310, the elastic member 500 is a torsion spring, the elastic member 500 is arranged on the fixing part 421, and the two ends of the elastic member 500 are respectively abutted against the first frame 112 of the first housing 110, when the user does not press the key 400, the elastic member 500 is in a normal state, and the elastic member 500 does not have elastic force, when the user presses the key 400, the sliding part 420 moves towards the direction of the first end of the first housing 110, and the elastic member 500 is compressed, so that the elastic member 500 has elastic force towards the direction of the second end of the first housing 110, when the user does not press the key 400, the elastic member 500 applies elastic force towards the direction of the second end of the first housing 110 to the sliding part 420, so that the elastic member 500 drives the sliding part 420 to move towards the direction of the key opening 113 (i.e. towards the direction of the second end of the first housing 110), the sliding part 420 drives the pressing part 410 to move, so that the pressing part 410 and the sliding part 420 are reset, thereby resetting the key 400.

[0048] As Figure 5 and Figure 6As shown, the first frame 112 of the first shell 110 is provided with two limiting portions 115, which are respectively located at two sides of the key 400, and each of the two limiting portions 115 comprises a limiting groove 1151, a limiting wall 1152, a limiting opening 1153 and a limiting protrusion 1154, the extending direction of the limiting wall 1152 is perpendicular to the first frame 112, the limiting wall 1152 faces the second end of the first shell 110, the gap between the limiting wall 1152 and the first frame 112 constitutes the limiting groove 1151, the limiting wall 1152 faces the second shell 120 and constitutes the limiting opening 1153, the limiting protrusion 1154 is located in the limiting opening 1153 and extends from the limiting wall 1152 towards the second end of the first shell 110 and is suspended, the limiting protrusion 1154 has a gap with the first frame 112, the two ends of the elastic member 500 are respectively loaded into the corresponding limiting groove 1151 from the limiting opening 1153 of the different limiting portions 115, the two ends of the elastic member 500 are respectively limited in the limiting groove 1151 of the different limiting portions 115, and the two ends of the elastic member 500 are respectively abutted against the limiting wall 1152 of the different limiting portions 115, at this time, the elastic member 500 is in an uncompressed / compressed state, the pressing portion 410 is abutted and matched with the first limiting protrusion 1111 through the second limiting protrusion 411, so as to prevent the elastic member 500 from moving towards the second end of the first shell 110, that is, the elastic member 500 can always be abutted against the limiting wall 1152, the limiting protrusion 1151 of the different limiting portions 115 is respectively used for preventing the different ends of the elastic member 500 from being separated from the corresponding limiting groove 1151 in the direction towards the second shell 120, so that the elastic member 500 can be limited in the limiting groove 1151 of the limiting portion 115, and the elastic member 500 is limited through the limiting groove 1151, so that it is not necessary to fix the elastic member 500 through a connecting member such as a screw, thereby reducing assembly materials and cost, and further miniaturizing the size of the printing device, and the two ends of the elastic member 500 can be prevented from being separated from the limiting groove 1151 through the limiting protrusion 1154, so as to improve the reliability of the printing device.

[0049] The above only describes some embodiments of the present application. Those skilled in the art can make some modifications and improvements without departing from the inventive concept of the present application, and these all belong to the protection scope of the present application.

Claims

1. A printing device, characterized by, include: The housing includes a first housing and a second housing that are movably connected. The first housing is provided with a button opening, a limiting groove and a first buckle, and the second housing is provided with a second buckle that cooperates with and connects to the first buckle. A button is provided in the button opening, and the button can drive the first buckle to move so as to disengage the first buckle from the second buckle; An elastic element is constrained within the limiting groove and is used to reset the button.

2. The printing device according to claim 1, characterized by The first housing is provided with two limiting parts, each of which includes a limiting groove, and the two ends of the elastic member are respectively restricted in different limiting grooves.

3. The printing device of claim 2, wherein, Both of the limiting portions also include limiting walls, and the two ends of the elastic member respectively abut against different limiting walls.

4. The printing device of claim 2, wherein, Both of the limiting portions also include limiting openings, and the two ends of the elastic member are respectively inserted into the corresponding limiting grooves from different limiting openings.

5. The printing device of claim 4, wherein, Both of the limiting portions also include limiting protrusions, which are located in different limiting openings, and are used to prevent different ends of the elastic member from disengaging from the corresponding limiting grooves.

6. The printing device according to any one of claims 1 to 5, characterized in that, The buttons include: A sliding part, which can drive the first buckle to move; The pressing part can drive the sliding part to move away from the button opening, so as to disengage the first buckle from the second buckle.

7. The printing device of claim 6, wherein, The sliding part is provided with a fixing part, and the elastic element is provided on the fixing part. The elastic element is used to drive the sliding part to move toward the button opening so that the pressing part is reset.

8. The printing device of claim 6, wherein, The first buckle is fixed to the sliding part.

9. The printing device of claim 6, wherein, The first housing is provided with a first limiting boss, and the pressing part is provided with a second limiting boss. The first limiting boss and the second limiting boss cooperate to restrict the pressing part within the first housing.

10. The printing device of claim 6, wherein, The first housing is provided with a mounting groove, and the sliding part is mounted in the mounting groove so that the sliding part can move relative to the mounting groove.

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