CN116278417B - Uncapping buffer structure - Google Patents
Uncapping buffer structure Download PDFInfo
- Publication number
- CN116278417B CN116278417B CN202310075132.XA CN202310075132A CN116278417B CN 116278417 B CN116278417 B CN 116278417B CN 202310075132 A CN202310075132 A CN 202310075132A CN 116278417 B CN116278417 B CN 116278417B
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- Prior art keywords
- flip
- boss
- middle frame
- stage
- cover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000003139 buffering effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/12—Guards, shields or dust excluders
- B41J29/13—Cases or covers
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
The invention discloses a cover opening buffer structure, which comprises a middle frame and a flip cover, wherein two sides of the middle frame are rotationally connected with two sides of the flip cover through a protruding part, the protruding part comprises a first-stage boss and a second-stage boss which are mutually connected, the first-stage boss and the second-stage boss are not coaxial, the outer diameter of the first-stage boss is smaller than that of the second-stage boss, the first-stage boss is used for realizing relative rotation of the middle frame and the flip cover, the second-stage boss is used for realizing mutual friction between the middle frame and the flip cover, and the larger the mutual friction between the middle frame and the flip cover is realized by the second-stage boss along with gradual overturning and opening of the flip cover, the stronger the buffer effect is, so that impact on the whole machine caused by instant opening of the flip cover can be avoided, the front end of the whole machine is prevented from tilting, the whole machine moves backwards or the whole machine is prevented from tilting, and the experience of a user can be improved.
Description
Technical Field
The invention relates to the technical field of printers, in particular to a cover opening buffer structure.
Background
At present, some thermal printers are provided with a flip cover and a middle frame which are rotationally connected, and a torsion spring is connected between the flip cover and the middle frame. When the cover is opened, the front end of the cover is separated from the middle frame, and the cover can be automatically and instantaneously sprung out under the action of the torsion spring. The speed of flip when automatic spring-opening is faster, and when flip spring-opening backward to maximum angle, under the effect of inertia, flip can collide with the center, causes the impact to the whole machine. For some thermal printers with lighter weight, when the flip cover automatically pops open, the front end of the whole printer can fall back after being tilted, the whole printer moves backwards or the whole printer tilts, so that bad experience is caused for users.
In the related art, some manufacturers can increase a gear at the middle frame, and the flip stops by touching the gear by the flip, so that the impact of the flip to the whole machine can be reduced to a certain extent, but the front end of the whole machine can still be tilted, the whole machine slides or tilts when the flip is instantly opened. Some manufacturers can add buffer sponge on the middle frame or the flip cover, can also alleviate flip inertia to a certain extent and impact on the whole machine, but can influence the appearance of the whole machine after the flip cover is opened, and a low-end feeling is given to users. Some manufacturers can set reduction gears on the middle frame to enable the flip to be opened slowly, but the production die, the production cost, the assembly cost and the size of the whole machine can be increased, and the flip is opened too slowly, so that bad experience is brought to users.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the cover opening buffer structure which can avoid impact on the whole machine caused by instant opening of the cover opening and can improve the experience of a user.
In order to solve the problems, the technical scheme adopted by the invention is as follows: the utility model provides a buffer structure uncaps, includes center and flip, the both sides of center are rotated through the bulge and are connected flip's both sides, the bulge includes interconnect's first order boss and second grade boss, first order boss with the second grade boss is different coaxial, just the external diameter of first order boss is less than the external diameter of second grade boss, first order boss is used for realizing the center with flip's relative rotation, the second grade boss is used for realizing the center with the mutual friction between the flip, and along with flip's upset is opened gradually, the second grade boss realized the center with the mutual friction between the flip is bigger.
Compared with the prior art, the invention has the beneficial effects that: the structure of the cover opening buffer structure is simple and compact, can be convenient to process and manufacture, and reduces production cost. When the flip is opened, the first-stage boss can realize the relative rotation of the middle frame and the flip, so that the flip can be gradually turned over and opened relative to the middle frame. When the flip is turned over and opened to a certain angle, the second-stage boss starts to realize the mutual friction between the middle frame and the flip, and the flip is turned over and opened to play a buffering role. Along with the gradual overturning and opening of the flip, the mutual friction between the middle frame realized by the second-stage boss and the flip is larger, so that the buffer effect is stronger, the impact on the whole machine caused by the instant opening of the flip can be avoided, the conditions of front end tilting of the whole machine, backward movement of the whole machine or dumping of the whole machine can be avoided, and the experience of a user can be improved.
Foretell buffer structure uncaps, the bulge still including connect in the third level boss of second level boss, first level boss the second level boss with the external diameter increases in proper order that third level boss distributes in proper order.
According to the cover opening buffer structure, the first-stage boss is coaxial with the third-stage boss.
Foretell buffer structure uncaps, the bulge is located the inside both sides of center, flip's both sides are equipped with the clearance position, the clearance position is kept away including first order clearance position and second level clearance position, first order keep away the vacancy with first order boss coaxial and rotate to be connected, the second level is kept away the vacancy and is including the diameter difference and two sections circular arcs of end to end, the great one section circular arc of diameter with the second level boss is coaxial, along with flip's upset is opened gradually, the less one section circular arc of diameter with the second level boss friction and frictional force increase gradually.
The cover opening buffer structure is characterized in that mounting columns are arranged on two inner sides of the cover opening buffer structure, torsion springs are sleeved on the mounting columns, and two feet of each torsion spring are respectively abutted to the cover opening buffer structure and the middle frame and used for forming elastic force for enabling the cover opening buffer structure to be turned over.
The front end of the flip cover is detachably connected with the front end of the middle frame through the clamping hooks, the side part of the middle frame is provided with the cover opening key connected with the clamping hooks, and when the cover opening key is pressed, the cover opening key drives the clamping hooks to rotate so that the front end of the flip cover is separated from the front end of the middle frame.
The invention is described in further detail below with reference to the drawings and the detailed description.
Drawings
FIG. 1 is a schematic view of the whole structure of an open cover buffer structure according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a middle frame according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic view of a flip cover according to an embodiment of the present invention;
FIG. 5 is a partial enlarged view at B in FIG. 4;
FIG. 6 is an enlarged view of a portion of FIG. 4 at C;
FIG. 7a is a schematic view of the structure of the protrusion portion before mating with the space avoidance space according to the embodiment of the present invention;
FIG. 7b is a schematic view of the structure of the protrusion portion and the avoidance space after being matched with each other according to the embodiment of the present invention;
FIG. 8a is a diagram showing the relationship between the second stage boss and the second stage avoidance space when the flip cover is closed according to the embodiment of the present invention;
FIG. 8b is a diagram showing the relationship between the second stage boss and the second stage clearance gap when the flip cover is opened to a certain angle according to the embodiment of the present invention;
fig. 8c is a diagram showing a matching relationship between the second stage boss and the second stage avoidance space when the flip cover is fully opened in the embodiment of the present invention.
Reference numerals illustrate: 100 middle frames, 110 printing head main bodies, 120 clamping hooks, 130 cover opening keys, 200 flip covers, 210 first-stage avoidance holes, 220 second-stage avoidance holes, 221 first circular arcs, 222 second circular arcs, 230 mounting columns, 240 printing head rollers, 300 protruding parts, 310 first-stage bosses, 320 second-stage bosses, 330 third-stage bosses and 400 torsion springs.
Detailed Description
Referring to fig. 1 to 8c, an embodiment of the present invention provides a lid opening buffer structure including a middle frame 100 and a lid 200, both sides of the middle frame 100 being rotatably connected to both sides of the lid 200 through a protrusion 300, the protrusion 300 including a first stage boss 310 and a second stage boss 320 being connected to each other, the first stage boss 310 and the second stage boss 320 being not coaxial, and an outer diameter of the first stage boss 310 being smaller than an outer diameter of the second stage boss 320, the first stage boss 310 being for achieving relative rotation of the middle frame 100 and the lid 200, the second stage boss 320 being for achieving mutual friction between the middle frame 100 and the lid 200, and the greater the mutual friction between the middle frame 100 and the lid 200 being achieved by the second stage boss 320 as the lid 200 is gradually turned open.
The structure of the cover opening buffer structure is simple and compact, can be convenient to process and manufacture, and reduces production cost. When the flip cover 200 is opened, the first stage boss 310 can realize the relative rotation between the middle frame 100 and the flip cover 200, so that the flip cover 200 can gradually flip and open relative to the middle frame 100. When the flip cover 200 is flipped and opened to a certain angle, the second stage boss 320 starts to realize the mutual friction between the middle frame 100 and the flip cover 200, so as to buffer the flip cover 200 from being flipped and opened. Along with the gradual overturning and opening of the flip 200, the larger the mutual friction between the middle frame 100 and the flip 200 is, the stronger the buffering effect is, so that the impact on the whole machine caused by the instant opening of the flip 200 can be avoided, the conditions of front end tilting of the whole machine, backward movement of the whole machine or toppling of the whole machine can be avoided, and the experience of a user can be improved. The structure of the protruding portion 300 is simple, easy to process, and free from too large part processing cost and overall assembly cost, and the protruding portion 300 is hidden at the rotation connection position of the flip cover 200 and the middle frame 100, so that the overall machine attractiveness of the flip cover 200 when opened is not affected.
Further, the protrusion 300 may be provided at the inner side or the outer side of the middle frame 100, or at the inner side or the outer side of the folder 200. Preferably, as shown in fig. 2 to 6, the protruding portion 300 is disposed on two sides of the inside of the middle frame 100, the two outer sides of the flip 200 are provided with clearance positions, the clearance positions include a first-stage clearance position 210 and a second-stage clearance position 220, the first-stage clearance position 210 is coaxially and rotatably connected with the first-stage boss 310, the second-stage clearance position 220 includes two circular arcs with different diameters and connected end to end, a circular arc with a larger diameter is coaxial with the second-stage boss 320, and as the flip 200 is gradually turned and opened, a circular arc with a smaller diameter gradually rubs with the second-stage boss 320 and the friction force gradually increases. Assume that the circular arc with the larger diameter is a first circular arc 221 and the circular arc with the smaller diameter is a second circular arc 222. Referring to fig. 8a, the flip cover 200 is in the closed state at this time, the second circular arc 222 is not in contact with the second stage boss 320; referring to fig. 8b, when the flip cover 200 is turned over and opened to a certain angle, the second circular arc 222 starts to contact with the second stage boss 320 along with the coaxial rotation of the first circular arc 221 relative to the second stage boss 320, and in the process of gradually turning over the flip cover 200 to the position of fig. 8c, the friction force between the second circular arc 222 and the second stage boss 320 is gradually increased, the stronger the buffering effect when the flip cover 200 is opened, the slower the opening speed of the flip cover 200 is, so that no impact is caused to the whole machine. In fig. 8a, 8b and 8c, in order to better distinguish between the first arc 221 and the second arc 222, the second arc 222 is shown with a dotted line.
Further, referring to fig. 2 and 3, the projection 300 further includes a third stage boss 330 connected to the second stage boss 320, the first stage boss 310, the second stage boss 320 and the third stage boss 330 are sequentially distributed and the outer diameters thereof are sequentially increased, and the first stage boss 310 and the third stage boss 330 are coaxial. As shown in fig. 7a and 7b, the first stage avoidance space 210 is coaxially and rotatably connected with the first stage boss 310, the second stage avoidance space 220 is connected with the second stage boss 320, and fig. 7b is a closed state of the flip cover 200, at this time, it is obvious that a gap exists between the second circular arc 222 and the second stage boss 320, and the gap is in an untouched state. The third stage boss 330 is located between the middle frame 100 and the flip cover 200, and can separate the middle frame 100 and the flip cover 200, so as to avoid friction between the side surface of the flip cover 200 and the side surface of the middle frame 100 in the process of opening the flip cover 200.
Further, referring to fig. 6 to 7b, mounting posts 230 are provided at both inner sides of the folder 200, and torsion springs 400 are coupled to the mounting posts 230, and both feet of the torsion springs 400 respectively abut against the folder 200 and the middle frame 100 for forming elastic force for tilting the folder 200 open. The front end of the flip 200 is detachably connected with the front end of the middle frame 100 through the hook 120, the side part of the middle frame 100 is provided with a cover opening button 130 connected with the hook 120, and when the cover opening button 130 is pressed, the cover opening button 130 drives the hook 120 to rotate, so that the front end of the flip 200 is separated from the front end of the middle frame 100. Specifically, as shown in fig. 1, the front end of the flip 200 is provided with a print head roller 240, the front end of the middle frame 100 is provided with a print head main body 110, the hooks 120 are arranged on the print head main body 110, when the flip 200 is closed, the hooks 120 can hook the print head roller 240, one end of the hooks 120 extending out is provided with a cover opening button 130, when the cover opening button 130 is pressed, the hooks 120 rotate, the print head roller 240 is separated from the print head main body 110, the flip 200 is separated from the middle frame 100, at this time, under the action of the elasticity of the torsion spring 400, the flip 200 automatically pops open, and in the popping-open process, the friction force of the protruding part is gradually received, the popping-open process of the flip 200 is buffered, and the impact to the whole machine is avoided.
It should be noted that, in the description of the present invention, if an azimuth or positional relationship is referred to, for example, upper, lower, front, rear, left, right, etc., the azimuth or positional relationship is based on the azimuth or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, and it is not indicated or implied that the referred device or element must have a specific azimuth, be configured or operated in a specific azimuth, and should not be construed as limiting the present invention.
In the description of the present invention, a plurality means one or more, and a plurality means two or more, and it is understood that greater than, less than, exceeding, etc. does not include the present number, and it is understood that greater than, less than, within, etc. include the present number. If any, first or second, etc. are described for the purpose of distinguishing between technical features only and not for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.
Claims (5)
1. The utility model provides a uncapping buffer structure which is characterized in that, including center (100) and flip (200), the both sides of center (100) are rotated through bulge (300) and are connected the both sides of flip (200), bulge (300) include interconnect's first level boss (310) and second level boss (320), first level boss (310) and second level boss (320) are different coaxial, and the external diameter of first level boss (310) is less than the external diameter of second level boss (320), first level boss (310) are used for realizing the relative rotation of center (100) and flip (200), second level boss (320) are used for realizing the mutual friction between center (100) and flip (200), and with the gradual upset of flip open of flip (200), the mutual friction between center (100) and flip (200) that second level boss (320) realized is bigger;
the utility model discloses a flip, including middle frame (100), flip (200), protruding portion (300) are located the inside both sides of middle frame (100), the both sides of flip (200) are equipped with the clearance position, the clearance position includes that first order keeps away vacancy (210) and second grade keep away vacancy (220), first order keep away vacancy (210) with first order boss (310) coaxial and rotation are connected, second grade keeps away vacancy (220) including the diameter difference and two sections circular arcs of end to end, the great one section circular arc of diameter with second grade boss (320) coaxial, along with flip (200) upset open gradually, the less one section circular arc of diameter with second grade boss (320) friction and frictional force increase gradually.
2. The door buffering structure according to claim 1, wherein the protrusion (300) further comprises a third stage boss (330) connected to the second stage boss (320), and the first stage boss (310), the second stage boss (320) and the third stage boss (330) are sequentially distributed and have sequentially increased outer diameters.
3. The door check structure according to claim 2, wherein the first stage bosses (310) are coaxial with the third stage bosses (330).
4. A cover opening buffer structure according to any one of claims 1 to 3, wherein mounting posts (230) are provided on two inner sides of the flip cover (200), torsion springs (400) are sleeved on the mounting posts (230), and two feet of the torsion springs (400) respectively abut against the flip cover (200) and the middle frame (100) to form elastic force for enabling the flip cover (200) to be turned open.
5. A cover opening buffer structure according to any one of claims 1 to 3, wherein the front end of the flip cover (200) is detachably connected with the front end of the middle frame (100) through a hook (120), a cover opening key (130) connected with the hook (120) is arranged on the side portion of the middle frame (100), and when the cover opening key (130) is pressed, the cover opening key (130) drives the hook (120) to rotate, so that the front end of the flip cover (200) is separated from the front end of the middle frame (100).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310075132.XA CN116278417B (en) | 2023-02-01 | 2023-02-01 | Uncapping buffer structure |
| JP2023203126A JP7446513B1 (en) | 2023-02-01 | 2023-11-30 | Printer lid opening structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310075132.XA CN116278417B (en) | 2023-02-01 | 2023-02-01 | Uncapping buffer structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116278417A CN116278417A (en) | 2023-06-23 |
| CN116278417B true CN116278417B (en) | 2023-12-01 |
Family
ID=86812204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310075132.XA Active CN116278417B (en) | 2023-02-01 | 2023-02-01 | Uncapping buffer structure |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7446513B1 (en) |
| CN (1) | CN116278417B (en) |
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| JP2005133755A (en) * | 2003-10-28 | 2005-05-26 | Seiko Epson Corp | Brake mechanism for opening cover, and printer |
| CN208118731U (en) * | 2018-04-25 | 2018-11-20 | 珠海浩盛标签打印机有限公司 | A kind of thermal printer of buffering flip lid |
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| CN214001051U (en) * | 2020-11-09 | 2021-08-20 | 珠海贺纳电子科技有限公司 | Thermal printer with flip damping structure |
| CN214240078U (en) * | 2020-10-19 | 2021-09-21 | 珠海芯烨电子科技有限公司 | Cover opening anti-falling mechanism for plastic shell flip cover of thermal printer |
| CN217455436U (en) * | 2022-05-27 | 2022-09-20 | 厦门宸芯电子科技有限公司 | Impact-proof flip cover of thermal printer |
| CN218020844U (en) * | 2022-08-17 | 2022-12-13 | 厦门华七信息科技有限公司 | Portable thermal printer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011096118A (en) | 2009-10-30 | 2011-05-12 | Toshiba Corp | Electronic equipment |
| JP5700399B2 (en) | 2010-09-01 | 2015-04-15 | 小島プレス工業株式会社 | Rotating shaft structure |
| JP6394232B2 (en) | 2014-09-25 | 2018-09-26 | ブラザー工業株式会社 | Opening / closing structure of the opening / closing cover |
| CN212201754U (en) | 2020-04-09 | 2020-12-22 | 合肥华凌股份有限公司 | Flip structure and cupboard |
| JP2022087760A (en) | 2020-12-01 | 2022-06-13 | 豊田合成株式会社 | Console Box |
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2023
- 2023-02-01 CN CN202310075132.XA patent/CN116278417B/en active Active
- 2023-11-30 JP JP2023203126A patent/JP7446513B1/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005133755A (en) * | 2003-10-28 | 2005-05-26 | Seiko Epson Corp | Brake mechanism for opening cover, and printer |
| CN208118731U (en) * | 2018-04-25 | 2018-11-20 | 珠海浩盛标签打印机有限公司 | A kind of thermal printer of buffering flip lid |
| CN211518971U (en) * | 2019-12-09 | 2020-09-18 | 珠海正芯电子科技有限公司 | Thermal printer |
| CN214240078U (en) * | 2020-10-19 | 2021-09-21 | 珠海芯烨电子科技有限公司 | Cover opening anti-falling mechanism for plastic shell flip cover of thermal printer |
| CN214001051U (en) * | 2020-11-09 | 2021-08-20 | 珠海贺纳电子科技有限公司 | Thermal printer with flip damping structure |
| CN217455436U (en) * | 2022-05-27 | 2022-09-20 | 厦门宸芯电子科技有限公司 | Impact-proof flip cover of thermal printer |
| CN218020844U (en) * | 2022-08-17 | 2022-12-13 | 厦门华七信息科技有限公司 | Portable thermal printer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116278417A (en) | 2023-06-23 |
| JP7446513B1 (en) | 2024-03-08 |
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