CN100386210C - Paper feed-in appts.and small printer having the same - Google Patents
Paper feed-in appts.and small printer having the same Download PDFInfo
- Publication number
- CN100386210C CN100386210C CNB200410091086XA CN200410091086A CN100386210C CN 100386210 C CN100386210 C CN 100386210C CN B200410091086X A CNB200410091086X A CN B200410091086XA CN 200410091086 A CN200410091086 A CN 200410091086A CN 100386210 C CN100386210 C CN 100386210C
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- China
- Prior art keywords
- paper
- guide mechanism
- upper guide
- assembly
- paper feed
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Classifications
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- 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
- B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
- B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
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- 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
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/006—Means for preventing paper jams or for facilitating their removal
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- 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
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/36—Blanking or long feeds; Feeding to a particular line, e.g. by rotation of platen or feed roller
- B41J11/42—Controlling printing material conveyance for accurate alignment of the printing material with the printhead; Print registering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
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- Handling Of Sheets (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Handling Of Continuous Sheets Of Paper (AREA)
- Replacement Of Web Rolls (AREA)
- Manual Feeding Of Sheets (AREA)
Abstract
A paper loading apparatus for moving paper in a mini printer, and a mini printer having the paper loading apparatus. The paper loading apparatus includes an upper paper guide assembly placed above an upper surface of a lower paper guide and hinged on the printer main body to be rotated centering on a hinge for adjusting an interval, with the lower paper guide, between an opened position and a closed position; locking means for locking and releasing the upper paper guide assembly to adjust the upper paper guide assembly between the opened and closed positions; and elastic springs installed in the hinge of the upper paper guide assembly for returning the upper paper guide assembly to the opened position when the locking means is released from the upper paper guide assembly. The paper loading apparatus easily loads the paper, completely removes the paper when the paper is jammed therein, and has a reduced volume to satisfy the miniaturization of the mini printer.
Description
Invention field
The present invention relates to a kind of paper feeding apparatus that is used in miniprinter mobile paper, be particularly related to a kind of paper feeding apparatus, this feeder can easily be sent paper in miniprinter, be used for printing the credit card bill, and can work as and fully to take out when paper blocks, and has the volume that dwindles to satisfy miniprinter and to have the miniaturization requirement of the miniprinter of paper feeding apparatus in device.
Background technology
Usually, miniprinter is used for exporting invoice, and the title of printed product or the amount of money on invoice, miniprinter comprise that mainly one is used for sending to and the paper feeding apparatus of mobile paper and one are used for the printing equipment of on the paper printed product title or the amount of money.
Fig. 1 is the stereogram of a small-sized normal printer, and Fig. 2 is the three-dimensional exploded view of a common miniprinter paper feeding apparatus.The common miniprinter of this kind is used for printout credit card bill.
The paper feeding apparatus of common miniprinter comprises that a bottom that is connected to printer main body 1 front end is used for sending to the paper guide 2 of paper; A upper guide mechanism of paper 3, itself and lower guide mechanism of paper 2 apart have to be set at interval, is inserted in the slit between bottom and upper guide mechanism of paper 2 and 3 to allow paper; One is used for producing the paper feed motor 4 that driving force is inserted into paper feed in slit between bottom and upper guide mechanism of paper 2 and 3; Paper feed reduction gearing parts 5 that are used for reducing the rotary speed of paper feed motor 4; A rotating shaft 6 that axially is connected to paper feed reduction gearing parts 5 and rotation; Insert the sprocket wheel 7 of rotating shaft 6 both sides respectively; With a manual knob 8 that is installed in rotating shaft 6 one ends.
In common paper feeding apparatus shown in Figure 3, the user inserts the paper 9 of specified quantity in the slit between lower guide mechanism of paper 2 that is fixed on printer main body 1 and the upper guide mechanism of paper 3, rotating sprocket 7 then, take this to make paper 9 to be installed in the paper feeding apparatus.The unusable paper feeder is sent paper 9 to and is realized by automatic feed method or manual feeding method.
In the automatic feed method, when the user pressed the paper feed key that is installed on the terminal, the signal that paper feed motor 4 is exported owing to paper feed key rotated and produces power, and the power of generation is sent to rotating shaft 6 by paper feed reduction gearing parts 5.Then, be connected to sprocket wheel 7 rotations of rotating shaft 6, make the projection 7a of sprocket wheel 7 be meshed with the transfer port 9a that runs through paper 9 formation.Take this, paper 9 is fed to assigned address by the rotation of sprocket wheel 7.
In manual feeding method, by rotating the sprocket wheel 7 that the manual knob 8 that is fixed on the rotating shaft 6 is pivotally attached to rotating shaft 6 by hand, make the projection 7a of sprocket wheel 7 be meshed with the transfer port 9a that runs through paper 9 formation, take this, send the paper 9 of setting quantity to.After this, in order to set the exact position of paper 9, carry out above-mentioned automatic feed method.
Because the narrow gaps between lower guide mechanism of paper 2 and upper guide mechanism of paper 3 of the paper feeding apparatus of above-mentioned common miniprinter, when the user catch paper 9 and be inserted into lower guide mechanism of paper 2 and upper guide mechanism of paper 3 between the gap in the time, the gap that paper is inserted between lower guide mechanism of paper 2 and the upper guide mechanism of paper 3 is difficult equably, therefore make to be difficult to normally send paper 9 to, and lead the paper paper and be blocked in the described gap.
In addition, under paper 9 is blocked in situation in the gap between lower guide mechanism of paper 2 and the upper guide mechanism of paper 3, because the narrow gaps of the paper feeding apparatus of common miniprinter between lower guide mechanism of paper 2 and upper guide mechanism of paper 3, it is very difficult to take out the paper that stops up from the gap.
If when the paper 9 that stops up is torn when taking off from the gap, as shown in Figure 4, the scraps of paper 9b that paper 9 is torn is blocked by the gap between lower guide mechanism of paper 2 and the upper guide mechanism of paper 3.Therefore, the operation of miniprinter is ended, and takes off from the gap up to jammed scraps of paper 9b, and for taking out the gap of scraps of paper 9b between lower guide mechanism of paper 2 and upper guide mechanism of paper 3, must take or repair miniprinter apart.
As mentioned above, because it is difficult paper stably being inserted in the paper feeding apparatus of common miniprinter, and paper is not fed to a desirable position, paper is not inserted in the device with being stabilized in the step if send at initial paper simultaneously, then can be blocked, so the shortcoming of common paper feeding apparatus is that the paper of obstruction must be taken out from the slit, therefore bring inconvenience when sending paper to the user, and need a lot of skills aspect the paper sending to.
Summary of the invention
Therefore, the problems referred to above have been considered in formation of the present invention, an object of the present invention is to provide a kind of paper feeding apparatus, can easily pack into paper and take out the paper be blocked in wherein fully of this device, and a kind of miniprinter with this paper feeding apparatus is provided.
Another object of the present invention provides a kind of paper feeding apparatus, and this device has little size, the feasible miniaturization demand that can satisfy miniprinter, and a kind of miniprinter with this paper feeding apparatus is provided.
According to an aspect of the present invention, above-mentioned and other purpose can realize that this paper feeding apparatus comprises by a kind of paper feeding apparatus is provided: the lower guide mechanism of paper attached to the printer main body front end; A upper guide mechanism of paper assembly that is positioned at lower guide mechanism of paper upper surface top, thereby it can hinge be that the center rotates between an open position and a closing position that this lower guide mechanism of paper is articulated in printer main body, be used for regulating and the lower guide mechanism of paper between the interval; A paper feed motor is used for producing the driving energy paper feed is inserted in the gap between lower guide mechanism of paper and the upper guide mechanism of paper assembly; Paper feed reduction gearing parts that are used for reducing the rotary speed of paper feed motor; A rotating shaft that is connected with deceleration feed gear wheel component axial; Be inserted into the sprocket wheel of rotating shaft terminal, have the projection that forms at interval to set on the sprocket wheel, projection can be inserted in the transfer port that runs through paper and form; Locking device is used for locking and release upper guide mechanism of paper assembly, to regulate upper guide mechanism of paper assembly between the open and close position; With the elastomeric spring on the hinge that is installed in upper guide mechanism of paper assembly, it is used at locking device upper guide mechanism of paper assembly being returned to open position when upper guide mechanism of paper assembly discharges.
Preferably, upper guide mechanism of paper assembly can comprise: the upper guide mechanism of paper with the shape that is consistent with the curvilinear surface of lower guide mechanism of paper; Be installed in the vertical plate at upper guide mechanism of paper two ends vertically; A hinge axis that is used for rotating upper guide mechanism of paper assembly; Be installed in the locking projection of vertical plate outer surface respectively.
Further, preferably, paper feed motor, rotating shaft and sprocket wheel can be installed in the upper guide mechanism of paper assembly, and are rotated together along with the rotation of upper guide mechanism of paper assembly.
And preferably, paper feed reduction gearing parts can be installed on the side surface of upper guide mechanism of paper assembly, and are rotated together along with the rotation of upper guide mechanism of paper assembly; A manual knob gear, when upper guide mechanism of paper assembly was positioned at closing position, this manual knob gear was connected on the reduction gearing of paper feed reduction gearing parts, and this manual knob gear can be installed on the printer main body; With a manual knob that can be installed on the manual knob gear.
Preferably, locking device can be an operation knob that comprises a latch recess, the locking projection of upper guide mechanism of paper assembly inserts this groove or separates with it, one end of operation knob remains in the hole that is formed in the printer main body, and core is hinged to printer main body, makes that described operation knob is that the center rotates with a hinge-unit; With a shaft-like supporter, this shaft-like supporter can extend to from the hinge-unit of operation knob operation knob remain on the printer main body an end, and can be returned to its original position owing to the effect of elastic force.
In addition, preferably, the guide plane of an inclination can extend out from the upper end of latch recess, makes locking projection fall along the guide plane that tilts, and is inserted in the latch recess then.
And preferably, the lower guide mechanism of paper can comprise leader, and each leader has a vertical plane, and these leaders are formed on the two ends of lower guide mechanism of paper, are used for guiding the both sides of the paper of sending to.
According to another aspect of the present invention, provide a kind of miniprinter, it comprises: the lower guide mechanism of paper attached to the printer main body front end; Paper guide assembly that is positioned at lower guide mechanism of paper upper surface top, and be articulated in the top of printer main body between an open position and a closing position so that be that the center rotates with the hinge, thus regulate and the interval of lower guide mechanism of paper; A paper feed motor that is used for the feeding paper; Paper feed reduction gearing parts that are used for reducing paper feed motor rotary speed; Be inserted into the sprocket wheel of a rotating shaft terminal, described rotating shaft axially is connected to paper feed reduction gearing parts; Locking device, its locking and release upper guide mechanism of paper assembly are to regulate upper guide mechanism of paper assembly between the open and close position; Be installed in the elastomeric spring in the upper guide mechanism of paper assembly hinge, be used for when locking device when upper guide mechanism of paper assembly discharges, upper guide mechanism of paper assembly is reset to open position; A print head carriage that is used to install a printhead, wherein said printhead are used for carrying out printing on paper; A drive cam, its outer surface is formed with long recess, and this groove is used for holding the projection of a print head carriage, and this drive cam rotates under the effect of the revolving force of CD-ROM drive motor, makes the print head carriage move horizontally; And printed circuit board that is used for the signal of telecommunication is transferred to printhead.
Description of drawings
Above-mentioned and other purposes of the present invention, feature and other advantages will be expressly understood from the detailed description of carrying out below in conjunction with respective drawings more, wherein:
Fig. 1 is the stereogram of common miniprinter;
Fig. 2 is the exploded perspective view of the paper feeding apparatus of common miniprinter;
Fig. 3 is the stereogram of the paper feeding apparatus of common miniprinter in using;
Fig. 4 is for showing the stereogram of common miniprinter paper feeding apparatus, shown in the scraps of paper that tear in the paper feeding apparatus be blocked and clogged;
Fig. 5 is the stereogram according to a miniprinter of the present invention;
Fig. 6 is the exploded perspective view according to the paper feeding apparatus of miniprinter of the present invention;
Fig. 7 a and 7b are the side view of locking device of the paper feeding apparatus of marginal data miniprinter according to the present invention;
Fig. 8 a and 8b are the stereogram according to the paper feeding apparatus of miniprinter of the present invention in using; With
Fig. 9 is the upward view according to paper feeding apparatus of the present invention in using.
The specific embodiment
Now, describe the preferred embodiments of the present invention in detail with reference to accompanying drawing.
Fig. 5 is a stereogram according to miniprinter of the present invention.As shown in Figure 5, miniprinter of the present invention comprises a printer main body 11; One is attached to the lower guide mechanism of paper 12 that printer main body 11 is used for sending to paper; A upper guide mechanism of paper assembly 20, it is positioned at the top of lower guide mechanism of paper 12 and is articulated in printer main body 11 so that with the hinge be the center rotation; A print head carriage 13a, it installs printhead 13, be used for paper is carried out printing, and drive cam 15, its outer surface is formed with long recess 15a, this groove is used for holding the projection (not shown) of print head carriage 13a, and drive cam 15 rotates under the effect of the revolving force of CD-ROM drive motor 14, makes print head carriage 13a move horizontally.
Paper feeding apparatus according to the present invention comprises one attached to the lower guide mechanism of paper 12 of printer main body 11 front ends be positioned at the upper guide mechanism of paper assembly 20 that lower guide mechanism of paper 12 tops are used for sending to paper.At this, upper guide mechanism of paper assembly 20 is hinged on the printer main body 11, and is the center rotation with the hinge, thus between an open position and closing position the interval of control and lower guide mechanism of paper 12.
Lower guide mechanism of paper 12 has leader 12b, and each leader 12b has a vertical plane, and leader 12b is formed at the two ends of paper guide 12, is used for guiding the two ends of the paper of sending to.
Fig. 6 is the three-dimensional exploded view according to the paper feeding apparatus of miniprinter of the present invention.As shown in Figure 6, upper guide mechanism of paper assembly 20 comprises a upper guide mechanism of paper 21, and this paper guide 21 has the vertical plate 22 that with the corresponding shape of the curved surface of lower guide mechanism of paper 12, vertically is installed in upper guide mechanism of paper 21 two ends, one and passes vertical panel 22 and be used for rotating the hinge axis 23 of upper guide mechanism of paper assembly 20 and be installed in locking projection 24 on vertical plate 22 outer surfaces respectively.
Paper feeding apparatus of the present invention also comprises a paper feed motor 41, is used for producing driving force and is inserted into the paper in the gap between lower guide mechanism of paper 12 and the upper guide mechanism of paper assembly 20 with feeding; Feeding reduction gearing parts 42 that are used for reducing the rotary speed of paper feed motor 41; A rotating shaft 43, it axially is connected on any one reduction gearing of feeding reduction gearing parts 42 and rotation; Sprocket wheel 44, it is inserted into the two ends of rotating shaft 43 and has projection 44a, and projection 44a is spaced and is inserted into by setting in the transfer port that runs through paper formation; Locking device, it is used for locking and discharges upper guide mechanism of paper assembly 20 with control upper guide mechanism of paper assembly 20 between the open and close position; And be installed in elastomeric spring 26 in the hinge axis 23 of upper guide mechanism of paper assembly 20, be used for when locking device is in release conditions, making upper guide mechanism of paper assembly 20 to return open position.
In Fig. 6, the label 25 that does not have to describe represents one to be printed 13 backboard that knock on paper when printing.
At this, paper feed motor 41, rotating shaft 43 and sprocket wheel 44 are installed in the upper guide mechanism of paper assembly 20.
That is to say that paper feed motor 41, rotating shaft 43 and sprocket wheel 44 are installed in by upper guide mechanism of paper 21 and are installed in the vertical plate 22 formed spaces at upper guide mechanism of paper 21 two ends.
Being used for rotating CD-ROM drive motor 14 that drive cam 15 moves horizontally print head carriage 13a is installed on the paper feed motor 41 corresponding positions with in upper guide mechanism of paper assembly 20.
Paper feed reduction gearing parts 42 are installed on the surface of upper guide mechanism of paper assembly 20, just on the outer surface of a vertical plate 22, and are rotated together along with the rotation of upper guide mechanism of paper assembly 20.
Therefore, be installed in paper feed motor 41, CD-ROM drive motor 14, rotating shaft 43 and sprocket wheel 44 in the upper guide mechanism of paper assembly 20, and paper feed reduction gearing parts 42 are along with upper guide mechanism of paper assembly 20 is center rotation and being rotated together with the hinge, and form the top feeder parts of the paper that is used for packing into.
Above-mentioned paper feeding apparatus and common paper feeding apparatus specific volume mutually reduce.
A manual knob gear 34, it is connected on the reduction gearing 42a of paper feed reduction gearing parts 42 when upper guide mechanism of paper assembly 20 is positioned at closing position, manual knob gear 34 is installed on the printer main body 11, and a manual knob 33 axially is connected on the manual knob gear 34.
Therefore, when paper feed reduction gearing parts 42 rotate with upper guide mechanism of paper assembly 20 and arrive closing position, the manual knob gear 34 that is installed on the manual knob 33 is connected on the reduction gearing 42a, and be meshed with the transfer port that runs through paper formation with the sprocket wheel 44 of rotating shaft 43 interlocking, thereby can send the paper of set amount to.
Preferably, upper guide mechanism of paper 21 is bent to a corresponding shape of the curved surface with lower guide mechanism of paper 12, it is the center rotation with the hinge, and the arrival closing position makes the interval between lower guide mechanism of paper 12 and the upper guide mechanism of paper 21 be set to pass through paper.
In addition, opening 12a is formed on the lower guide mechanism of paper 12 position corresponding to the perforate 21a of upper guide mechanism of paper 21, and when upper guide mechanism of paper assembly 20 was closed, the both sides with paper of transfer port were exposed to the outside by opening 12a.Then, be inserted into upper guide mechanism of paper assembly 20 rotations under the situation in the transfer port of paper at projection 44a, thereby transmit paper easily.
Fig. 7 a and 7b marginal data according to the side view of the locking device of miniprinter paper feeding apparatus of the present invention.More especially, Fig. 7 a marginal data the lock-out state of locking device, Fig. 7 b marginal data the release conditions of locking device.
As the locking device of paper feeding apparatus of the present invention, use an operation knob 31.Operation knob 31 comprises a latch recess 31a, the locking projection 24 that is arranged on the vertical plate 22 can insert and break away from groove 31a, one end of operation knob 31 remains among the hole 11a that is formed on the printer main body 11, and the core of operation knob 31 is hinged on the printer main body 11, makes that operation knob 31 can be the center rotation with hinge-unit 31c.
Shaft-like supporter 32 extends to operation knob 31 from the hinge-unit 31c of operation knob 31 and remains on end on the printer main body 11.Supporter 32 is made by having the flexible elastic material of setting.Thereby, when operation knob 31 is center rotation and when being in release conditions then, operation knob 31 turns back to its original position under the resilient force of supporter 32 with hinge-unit 31c.
The guide plane 31b of an inclination extends out from the upper end of the latch recess 31a of operation knob 31, makes locking projection 24 reduce along the guide plane 31b that tilts, and is inserted into then among the latch recess 31a to compress compression spring 32.
When operation knob 31 when the direction of arrow is compressed shown in Fig. 7 b, supporter 32 is crooked and be the center rotation with hinge means 31c, and locking projection 24 discharges from latch recess 31a simultaneously.
Correspondingly, after operation knob 31 discharged from upper guide mechanism of paper assembly 20, upper guide mechanism of paper assembly 20 rotated and is returned to its open position under the restoring force effect of elastomeric spring 26.
Hereinafter, the operation of the paper feeding apparatus of the invention described above will obtain detailed description.
Fig. 8 a and 8b are the stereogram of state in using according to paper feeding apparatus of the present invention, and Fig. 9 is the upward view of state in using according to paper feeding apparatus of the present invention.Paper feeding apparatus of the present invention comprises the elastomeric spring 26 that is installed on the hinge 23, and elastomeric spring 26 is used for replying the open position of upper guide mechanism of paper assembly 20 to it.Under the condition of operation knob 31 rotations and release from upper guide mechanism of paper assembly 20, upper guide mechanism of paper assembly 20 rotates and is returned to its open position under the restoring force effect of elastomeric spring 26.
In the open position of above-mentioned upper guide mechanism of paper assembly 20, paper 9 is inserted into that (Fig. 8 a) in the slit between upper guide mechanism of paper assembly 20 and the lower guide mechanism of paper 12.
At this, because when upper guide mechanism of paper assembly 20 is shown in an open position, the distance between upper guide mechanism of paper assembly 20 and the lower guide mechanism of paper 12 is more a lot of greatly than the thickness of paper 9, and paper 9 easily just is inserted between the two the slit.
In addition, lower guide mechanism of paper 12 has leader 12b, and each leader all has a perpendicular, and leader 12b is formed at the two ends of lower guide mechanism of paper 12, is used for guiding the both sides of paper 9, takes this stably, non-warpingly to send to paper 9.
Afterwards, when upper guide mechanism of paper assembly 20 rotation, the guide plane 31b that locking projection 24 is operated knob 31 forces down and guides and is inserted among the latch recess 31a, thereby makes upper guide mechanism of paper assembly 20 its closing positions of arrival.
At this, the reduction gearing 42a of paper feed reduction gearing parts 42 is meshed with manual knob gear 34, and rotating shaft 43 also rotates when the user rotates manual knob 33 by hand.
Then, when the user rotated manual knob 33 by hand, the sprocket wheel 44 of interlocking with rotating shaft 43 also rotated, and as shown in Figure 9, the projection 44a of sprocket wheel 44 is inserted among the transfer port 9a of paper 9, the feasible paper 9 of sending set amount to.
Afterwards, printhead 13 receives from the signal of telecommunication of basic unit's output, and prints operation at paper 9.
In order to discharge the operation knob 31 as locking device from upper guide mechanism of paper assembly 20, the other end of operation knob 31 is subjected to tightly, makes that operation knob 31 is the center rotation with hinge-unit 31c.Then, supporter 32 bendings, and locking projection 24 discharges from latch recess 31a, thus make top guiding paper mechanism assembly 20 arrive open positions.
From foregoing description, can obviously find out, the invention provides a kind of paper feeding apparatus, a upper guide mechanism of paper assembly wherein is installed, make that upper guide mechanism of paper assembly can be the center rotation with the hinge axis, when upper guide mechanism of paper assembly is in unfolding mode, paper is inserted in the slit between upper guide mechanism of paper assembly and the lower guide mechanism of paper, paper is sent to when upper guide mechanism of paper assembly is in closed manners then, the present invention also provides a kind of miniprinter with this paper feeding apparatus, takes this easily to send paper to.
In addition, because paper feeding apparatus has simple structure, when paper in the process of sending to stops up, can from paper feeding apparatus, take out paper easily, and can easily repair paper feeding apparatus.
And paper feeding apparatus has simple paper feed mechanism, therefore has smaller volume, can satisfy the requirement of miniprinter miniaturization.Paper feeding apparatus can prevent that paper is torn, and has taken this to improve the reliability of miniprinter.
Although illustrative purposes and disclose the preferred embodiments of the present invention for example, it will be appreciated by those skilled in the art that, under the situation that does not break away from scope of the present invention described in the claims and essence, can draw various modifications of the present invention, interpolation and displacement.
Claims (10)
1. paper feeding apparatus comprises:
Lower guide mechanism of paper attached to the printer main body front end;
A upper guide mechanism of paper assembly, it is positioned at the top of the upper surface of lower guide mechanism of paper, and is articulated in printer main body, being center rotation with a hinge between an open position and closing position, thereby regulates interval with described lower guide mechanism of paper;
A paper feed motor is used for producing driving force paper feed is inserted in the gap between lower guide mechanism of paper and the upper guide mechanism of paper assembly;
Paper feed reduction gearing parts that are used for reducing the rotary speed of described paper feed motor;
A rotating shaft that axially is connected to described paper feed reduction gearing parts;
Be inserted into the sprocket wheel at the two ends of described rotating shaft, described sprocket wheel has projection, and described projection has the spacing of setting and can be inserted in the transfer port that runs through paper;
Locking device, it is used for locking and discharges upper guide mechanism of paper assembly, to regulate described upper guide mechanism of paper assembly between described open and close position; And
Elastomeric spring, it is installed in the hinge of described upper guide mechanism of paper assembly, is used for when described locking device discharges described upper guide mechanism of paper assembly being reset to described open position from described upper guide mechanism of paper assembly.
2. paper feeding apparatus according to claim 1, wherein said upper guide mechanism of paper assembly comprises:
A upper guide mechanism of paper that has with the corresponding shape of curved surface of described lower guide mechanism of paper;
Vertically be installed in the vertical plate at the two ends of described upper guide mechanism of paper;
A hinge axis that is used to rotate described upper guide mechanism of paper assembly; And
Be installed in the locking projection on the outer surface of described vertical panel respectively;
3. paper feeding apparatus according to claim 1, wherein said paper feed motor, rotating shaft, sprocket wheel and CD-ROM drive motor are installed in the described upper guide mechanism of paper assembly, and rotate together along with the rotation of described upper guide mechanism of paper assembly.
4. paper feeding apparatus according to claim 1, wherein:
Described paper feed reduction gearing parts are installed on a side surface of described upper guide mechanism of paper assembly, and rotate together along with the rotation of described upper guide mechanism of paper assembly;
A manual knob gear that is installed on the described printer main body, when described upper guide mechanism of paper assembly was in the close position, this manual knob gear was connected to a reduction gearing of described paper feed reduction gearing parts; With
A manual knob that is installed on the described manual knob gear.
5. paper feeding apparatus according to claim 1, wherein:
Described locking device is an operation knob that comprises a latch recess, the locking projection of described upper guide mechanism of paper assembly can insert and break away from this latch recess, one end of described operation knob remains in the hole that is formed at described printer main body, the core of described operation knob is articulated in described printer main body, makes that described operation knob can be the center rotation with a hinge-unit; And
A shaft-like supporter, its described hinge-unit from described operation knob extend to described operation knob and remain on end the printer main body, and can be returned to its original position under the effect of elastic force.
6. paper feeding apparatus according to claim 5, extend from the upper end of described latch recess on one of them inclined lead plane, makes described locking projection to reduce along described inclined lead plane and be inserted into then in the described latch recess.
7. paper feeding apparatus according to claim 1, wherein the lower guide mechanism of paper comprises leader, and each leader has a perpendicular, and described leader is formed at
The two ends of described lower guide mechanism of paper are used for guiding the both sides of the paper of sending to.
8. miniprinter comprises:
A lower guide mechanism of paper that is attached to the front end of a printer main body;
A upper guide mechanism of paper assembly that is positioned at described lower guide mechanism of paper upper surface top, this upper guide mechanism of paper member hinges is in described printer main body, so that with a hinge is that the center rotates between an open position and a closing position, thus the interval of adjusting and described lower guide mechanism of paper;
A paper feed motor that is used for the feeding paper;
Paper feed reduction gearing parts that are used for reducing the rotary speed of paper feed motor;
Be inserted into the sprocket wheel of a rotating shaft terminal, described rotating shaft axially is connected to described paper feed reduction gearing parts;
Locking device is used for locking and discharge described upper guide mechanism of paper assembly, to regulate described upper guide mechanism of paper assembly between described open and close position;
Be installed in the elastomeric spring in the hinge of described top guide assembly, be used for when locking device discharges from upper guide mechanism of paper assembly, making described upper guide mechanism of paper assembly reset to described open position;
A print head carriage that is used for fixing printhead, wherein said printhead are used for carrying out printing on paper;
A drive cam, its outer surface is formed with long recess, and described long recess is used for holding the projection of described print head carriage, and this drive cam rotates under the effect of the revolving force of a CD-ROM drive motor, and described print head carriage is moved horizontally; And
A printed circuit board that is used for the signal of telecommunication is transferred to printhead.
9. miniprinter according to claim 8, wherein said paper feed motor, rotating shaft, sprocket wheel and CD-ROM drive motor are installed in the described upper guide mechanism of paper assembly, and rotate together along with the rotation of described upper guide mechanism of paper assembly.
10. miniprinter according to claim 8, wherein:
Described paper feed reduction gearing parts are installed on the side surface of described upper guide mechanism of paper assembly, and rotate along with the rotation of described upper guide mechanism of paper assembly;
A manual knob gear that is installed on the described printer main body, when described upper guide mechanism of paper assembly was in the close position, this manual knob gear was connected on the reduction gearing of described paper feed reduction gearing parts; With
A manual knob that is installed on the described manual knob gear.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040033879 | 2004-05-13 | ||
| KR1020040033879A KR100561726B1 (en) | 2004-05-13 | 2004-05-13 | Paper loading apparatus and mini printer having the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1695954A CN1695954A (en) | 2005-11-16 |
| CN100386210C true CN100386210C (en) | 2008-05-07 |
Family
ID=35348911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410091086XA Expired - Fee Related CN100386210C (en) | 2004-05-13 | 2004-11-16 | Paper feed-in appts.and small printer having the same |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2005324535A (en) |
| KR (1) | KR100561726B1 (en) |
| CN (1) | CN100386210C (en) |
| TW (1) | TWI245706B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5217790B2 (en) * | 2008-08-29 | 2013-06-19 | セイコーエプソン株式会社 | Conveying guide mechanism and recording apparatus having the same |
| JP6107506B2 (en) * | 2013-07-25 | 2017-04-05 | セイコーエプソン株式会社 | Feed guide device and printing device |
| CN104191836A (en) * | 2014-08-10 | 2014-12-10 | 北京鼎一伟信科技发展有限公司 | Printer paster fixing device |
| CN106626810B (en) * | 2016-12-27 | 2018-11-13 | 苏州虹贯精益智能科技有限公司 | Printer coding disk assembly fixture |
| US10562322B2 (en) | 2017-12-07 | 2020-02-18 | Hewlett-Packard Development Company, L.P. | Print medium guides |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04316875A (en) * | 1991-04-17 | 1992-11-09 | Nec Corp | Sheet feed mechanism |
| JPH11227291A (en) * | 1998-02-10 | 1999-08-24 | Seiko Epson Corp | Paper feeder in printer |
| CN1454784A (en) * | 2002-05-03 | 2003-11-12 | 三星电子株式会社 | Lead device of small printer |
-
2004
- 2004-05-13 KR KR1020040033879A patent/KR100561726B1/en not_active IP Right Cessation
- 2004-11-04 TW TW093133622A patent/TWI245706B/en not_active IP Right Cessation
- 2004-11-16 CN CNB200410091086XA patent/CN100386210C/en not_active Expired - Fee Related
- 2004-12-06 JP JP2004353022A patent/JP2005324535A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04316875A (en) * | 1991-04-17 | 1992-11-09 | Nec Corp | Sheet feed mechanism |
| JPH11227291A (en) * | 1998-02-10 | 1999-08-24 | Seiko Epson Corp | Paper feeder in printer |
| CN1454784A (en) * | 2002-05-03 | 2003-11-12 | 三星电子株式会社 | Lead device of small printer |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005324535A (en) | 2005-11-24 |
| CN1695954A (en) | 2005-11-16 |
| TW200536717A (en) | 2005-11-16 |
| KR20050109125A (en) | 2005-11-17 |
| KR100561726B1 (en) | 2006-03-15 |
| TWI245706B (en) | 2005-12-21 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080507 Termination date: 20151116 |
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| EXPY | Termination of patent right or utility model |