CN103568600A - Paper roll fixing device of printer - Google Patents
Paper roll fixing device of printer Download PDFInfo
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- CN103568600A CN103568600A CN201210275070.9A CN201210275070A CN103568600A CN 103568600 A CN103568600 A CN 103568600A CN 201210275070 A CN201210275070 A CN 201210275070A CN 103568600 A CN103568600 A CN 103568600A
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Abstract
The invention provides a paper roll fixing device of a printer. The paper roll fixing device of the printer comprises a first supporting base and a second supporting base, wherein the first supporting base comprises a first supporting protruding portion and a plurality of first idler wheels, and the second supporting base comprises a second supporting protruding portion and a plurality of second idler wheels. The first supporting protruding portion and the second supporting protruding portion extend into the two ends of a hollow roll center of a paper roll respectively so that the paper roll can be fixedly arranged between the first supporting base and the second supporting base, and can be supported by the first idler wheels and the second idler wheels. The paper roll fixing device of the printer can be applicable to paper rolls with hollow roll centers with different diameters.
Description
Technical field
The present invention relates to a kind of paper roll fixture, relate in particular to a kind of paper roll fixture that is applied to printer.
Background technology
Having on the market many printers is for example to using paper roll, as the medium printing out, label machine.Label machine paper roll used is comprised of hollow axle center and the paper tape that is wound in hollow axle center, and paper tape comprises that strip overlay film and interval attach label paper thereon.In print procedure, paper tape is driven and makes label paper pass through printing mechanism, so printing mechanism carries out print job on label paper.In print procedure, label paper continues to be output outside label machine, paper roll with rotation and integral diameter reduce gradually.So label machine inside need to arrange fixed structure or the situation generation of supporting construction to avoid paper roll to have the impact rotations such as bob, left and right displacement and print smooth degree in rotation process.
Fig. 1 shows the decomposing schematic representation of existing label machine.First the element of existing label machine is described, label machine 1 comprises paper roll fixture 11 and housing 12, and wherein paper roll fixture 11 is arranged at housing 12 inside.
In addition, the first support convex 111a has the first annulus 111aa of different outer circumferences, the second annulus 111ab and the 3rd annulus 111ac, the second support convex has respectively and the first annulus 111aa, the 4th identical annulus of outer circumference of the second annulus 111ab and the 3rd annulus 111ac, the 5th annulus and the 6th annulus (not shown), wherein the outer circumference of the first annulus 111aa is less than the outer circumference of the second annulus 111ab, the outer circumference of the second annulus 111ab is less than the outer circumference of the 3rd annulus 111ac.
Next the assembling sequence of existing label machine is described, continue referring to Fig. 1.First, one end 114a that one end 113a of the first movable rail 113 is connected in the first supporting seat 111, the second movable rail 114 is connected in the second supporting seat 112.Moreover the first movable rail 113 and the second movable rail 114 are parallel to each other, and clamp respectively and be engaged in runner 115.
In addition, the first supporting seat 111 is parallel with the second supporting seat 112, and the first support convex 111a and the second support convex face one another.
Next the operation workflow of existing label machine is described, continue referring to Fig. 1.As previously mentioned, paper roll is comprised of hollow axle center and the paper tape that is wound in hollow axle center, when wish is inserted label machine 1 inside by paper roll, first pull the first supporting seat 111 or the second supporting seat 112, make the first movable rail 113 and the second movable rail 114 by the drive of runner 115 and traveling priority, with make the first supporting seat 111 and the second supporting seat 112 mutually away from, then the one end in the hollow axle center of paper roll is sticked in to the first support convex 111a of the first supporting seat 111.
Then move again the second supporting seat 112, make the second supporting seat 112 by the drive of runner 115 and adjacent to each other with the first supporting seat 111, until the second support convex of the second supporting seat 112 is sticked in the other end in the hollow axle center of paper roll, with fixing paper roll in label machine 1 inside.
When if the outer circumference of the inner circle girth in hollow axle center and the first annulus 111aa is identical, the first annulus 111aa snaps in the one end in the hollow axle center of paper roll, the 4th annulus snaps in the other end in the hollow axle center of paper roll, and the first annulus 111aa and the 4th annulus are resisted against the inner edge in the hollow axle center of paper roll, with the fixing position of paper roll.
Identical, when if the outer circumference of the inner circle girth in hollow axle center and the second annulus 111ab is identical, the second annulus 111ab and the 5th annulus do not snap in the two ends in the hollow axle center of paper roll, when the inner circle girth in hollow axle center when identical, is snapped in respectively the two ends in the hollow axle center of paper roll with the 3rd annulus 111ac by the 3rd annulus 111ac and the 6th annulus.
Comprehensive the above is known, and label machine 1 is by annulus, to be sticked in the hollow axle center of paper roll, with the fixing position of paper roll.
There is following problem in existing label machine 1.Difference according to label, the hollow axle center of paper roll may have different inner circle girths, no matter the inner circle girth in hollow axle center why, the width of paper roll can't change, if arrange, be applicable to a plurality of annulus of the paper roll of all specifications, the space that paper roll fixture is shared and the volume of housing will be very huge.
If a plurality of annulus of the paper roll be applicable to part specification are only set, once the inner periphery in the hollow axle center of paper roll, to grow up in the maximum outer circumference of a plurality of annulus, paper roll will move down because of Action of Gravity Field, and its bottom will be pressed against on housing 12.
Therefore in print procedure, although paper roll can not produce left and right displacement, when paper roll rotates, its paper tape will rub with housing 12, not only will cause paper tape to move and have some setbacks, and more may make label paper wearing and tearing or come off.
Therefore the paper roll fixture of the label machine of a kind of improvement of needs is to overcome the problem of the paper roll fixture of existing label machine.
Summary of the invention
The object of the present invention is to provide a kind of paper roll fixture of printer of the paper roll that is applicable to plurality of specifications.
The object of the present invention is to provide a kind of paper roll fixture of printer, in order to a paper roll with a hollow axle center is fixed on to a printer, comprising:
One first supporting seat, comprising:
One first support convex;
A plurality of the first auxiliary wheels, are arranged at intervals at the bottom part that this first support convex below is close to this first supporting seat;
One second supporting seat, parallel with this first supporting seat, comprising:
One second support convex; And
A plurality of the second auxiliary wheels, are arranged at intervals at the bottom part that this second support convex below is close to this second supporting seat;
Wherein this first support convex stretches into this hollow axle center from a first end of this paper roll, this second support convex stretches into this hollow axle center from one second end of this paper roll, this paper roll is fixed between this first supporting seat and this second supporting seat, and the two ends of an outer surface of this paper roll are pressed against respectively the plurality of the first auxiliary wheel and the plurality of the second auxiliary wheel.
In a preferred embodiment, wherein this first supporting seat more comprises that the vertical extension of one first base plate is from the bottom of one first inner surface of this first supporting seat, and the plurality of the first auxiliary wheel is arranged at intervals on this first base plate.
In a preferred embodiment, wherein this second supporting seat more comprises that the vertical extension of one second base plate is from the bottom of one second inner surface of this second supporting seat, and the plurality of the second auxiliary wheel is arranged at intervals on this second base plate.
In a preferred embodiment, more comprise:
One runner;
One first movable rail, is connected in this first supporting seat, and is engaged in this runner; And
One second movable rail, parallel with this first movable rail, be connected in this second supporting seat, and be engaged in this runner;
Wherein this first supporting seat and this second supporting seat are done straight line reciprocating action back and forth by this runner, to adjust the distance of this first supporting seat and this second supporting seat.
In a preferred embodiment, wherein this first support convex is convexly set in this first inner surface, comprise one first projection and one second projection, wherein this first projection is positioned at this second projection top, this second support convex is convexly set in this second inner surface, comprise one the 3rd projection and one the 4th projection, wherein the 3rd projection is positioned at the 4th projection top.
In a preferred embodiment, wherein this first supporting seat more comprises:
One first holes, is opened in this first supporting seat;
One first rotating shaft, is arranged at one first outer surface of this first supporting seat;
One first stator, is hubbed at this first rotating shaft, and is positioned at this first holes;
One first flexible member, is arranged at this first rotating shaft top, and is connected in this first stator; And
One first support chip, is arranged in this first holes, and is positioned at this first stator below;
Wherein this first projection is arranged at this first stator, this second projection is arranged at this first support chip, this first flexible member makes this first projection of this first stator not protrude this first inner surface of this first supporting seat, and makes an end of this first stator protrude this first inner surface of this first supporting seat.
In a preferred embodiment, wherein this second supporting seat more comprises:
One second holes, is opened in this second supporting seat;
One second rotating shaft, is arranged at one second outer surface of this second supporting seat;
One second stator, is hubbed at this second rotating shaft, and is positioned at this second holes;
One second flexible member, is arranged at this second rotating shaft top, and is connected in one end of this second stator; And
One second support chip, is arranged in this second holes, and is positioned at this second stator below;
Wherein the 3rd projection is arranged at this second stator, the 4th projection is arranged at this second support chip, this second flexible member makes the 3rd projection of this second stator not protrude this second inner surface of this second supporting seat, and makes an end of this second stator protrude this second inner surface of this second supporting seat.
In a preferred embodiment, wherein this first support chip and this second support chip are that flexible materials is made.
In a preferred embodiment, wherein this second projection and the 4th projection comprise respectively two scarves, to guide this paper roll to enter or leave between this first supporting seat and this second supporting seat.
In a preferred embodiment, wherein this first support convex and this second support convex are all a ring-type projection.
In a preferred embodiment, wherein this first supporting seat more comprises a perforation and a locked instrument, this printer more comprises a plurality of the second tooth positions portion in the inner, wherein this locked instrument is arranged in this perforation, there are a plurality of the first tooth portions, in order to be engaged in the plurality of the second tooth portion, to fix this first supporting seat.
The paper roll fixture of the printer that the present invention proposes can be applicable to have the paper roll in the hollow axle center of different-diameter.
Accompanying drawing explanation
Fig. 1 shows the decomposing schematic representation of existing label machine.
Fig. 2 shows the stereogram of the printer of a preferred embodiment of the present invention.
Fig. 3 shows the decomposing schematic representation of the first angle of the paper roll fixture of a preferred embodiment of the present invention.
Fig. 4 shows the stereogram of the second angle of the paper roll fixture of a preferred embodiment of the present invention.
Fig. 5 shows the paper roll fixture of a preferred embodiment of the present invention and the decomposing schematic representation of paper roll.
Fig. 6 shows that the paper roll in the hollow axle center with first size of the present invention's one first preferred embodiment is placed on the profile between the first supporting seat and the second supporting seat.
Fig. 7 shows that the paper roll in the hollow axle center with the second size of the present invention's one first preferred embodiment is placed on the profile between the first supporting seat and the second supporting seat.
Fig. 8 shows the decomposing schematic representation of the first angle of the paper roll fixture of the present invention's one second preferred embodiment.
Fig. 9 shows the decomposing schematic representation of the second angle of the paper roll fixture of the present invention's one second preferred embodiment.
Figure 10 shows the assembly drawing of the first angle of the paper roll fixture of the present invention's one second preferred embodiment.
Figure 11 shows the assembly drawing of the second angle of the paper roll fixture of the present invention's one second preferred embodiment.
The profile of the paper roll fixture that Figure 12 shows the present invention's one second preferred embodiment when paper roll is not inserted.
The profile of the paper roll fixture that Figure 13 shows the present invention's one second preferred embodiment when paper roll is inserted.
Figure 14 shows the stereogram of the first angle of the paper roll fixture of the present invention 1 the 3rd preferred embodiment.
Figure 15 shows the stereogram of the second angle of the paper roll fixture of the present invention 1 the 3rd preferred embodiment.
Wherein, description of reference numerals is as follows:
The first supporting seat 111 perforation 221e
First support convex 111a the first 221da of tooth portion
First annulus 111aa the second supporting seat 222
Second annulus 111ab the second support convex 222a
The 3rd annulus 111ac the 3rd projection 222aa
The second supporting seat 112 the 4th projection 222ab
The first movable rail 113 second base plate 222b
One end 113a the second inner surface 222c
The second movable rail 114 first auxiliary wheels 223
One end 114a the second auxiliary wheel 224
The second 21a of tooth portion paper roll a
Paper roll fixture 22 first end a1
The first supporting seat 221 second end a2
The first support convex 221a hollow axle center b
The first projection 221aa paper tape c
Second projection 221ab the first diameter d
The first paper roll a ' first end 315b
Second 315c of hollow axle center b '
Paper tape c ' the second end 315d
Second bobbin diameter d ' the first flexible member 316
The second paper roll a " the first support chip 317
Hollow axle center b " the second supporting seat 32
Paper tape c " the second outer surface 32a
Exit slot e the second inner surface 32b
The first supporting seat 31 the 3rd projection 321a
The first outer surface 31a the 4th projection 321b
First inner surface 31b the first scarf s3
The first support convex 311 second scarf s4
First scarf s1 the second rotating shaft 324
Second scarf s2 the second stator 325
The first base plate 312 first surface 325a
The first holes 313 first end 325b
The first 314 second of rotating shafts 325c
The first stator 315 second end 325d
The second support chip 327 first base plate 41b
The first auxiliary wheel 33 first inner surface 41c
The second auxiliary wheel 34 second supporting seats 42
The first movable rail 36 second base plate 42b
The second movable rail 37 second inner surface 42c
The first supporting seat 41 first movable rail 46
First support convex 41a the second movable rail 47
The specific embodiment
The paper roll fixture that a kind of printer is provided according to specific embodiments of the invention, can be applicable to label machine.
Please note, the present invention first of the following stated all describes so that the situation of 3 first auxiliary wheels and three the second auxiliary wheels to be set to the 3rd preferred embodiment, but the number that arranges of the first auxiliary wheel of the present invention and the second auxiliary wheel is not limited to this, as long as be provided with a plurality of the first auxiliary wheels and a plurality of the second auxiliary wheel in order to support paper roll respectively at the first supporting seat and the second supporting seat, all belong to category of the present invention.
The element that first printer of the present invention's one first preferred embodiment is described, refers to Fig. 2, and Fig. 2 shows the stereogram of the printer of the present invention's one first preferred embodiment.Printer 2 has base 21, paper roll fixture 22 and upper cover (not shown).Wherein paper roll fixture 22 is arranged at base 21 inside, and as shown in Figure 2, upper cover is articulated in base 21, and can rotate to enable possition or closed position with respect to base 21.
Referring to Fig. 3 and Fig. 4, Fig. 3 shows the decomposing schematic representation of the first angle of the paper roll fixture of the present invention's one first preferred embodiment, and Fig. 4 shows the stereogram of the second angle of the paper roll fixture of the present invention's one first preferred embodiment.Paper roll fixture 22 comprises the first supporting seat 221, the second supporting seat 222, three the first auxiliary wheels 223, three the second auxiliary wheels 224, runner 225, the first movable rail 226 and the second movable rail 227.
The first supporting seat 221 comprises the first support convex 221a and the first base plate 221b, and the second 222 of supporting seats comprise the second support convex 222a and the second base plate 222b.Wherein the first support convex 221a comprises the first projection 221aa and the second projection 221ab, and the second support convex 222a comprises the 3rd projection 222aa and the 4th projection 222ab.
Next the assembling sequence of the printer of the present invention's one first preferred embodiment is described, continue referring to Fig. 3 and Fig. 4.First, the first projection 221aa and the second projection 221ab are convexly set in the first inner surface 221c of the first supporting seat 221, and the first projection 221aa is positioned at the second projection 221ab top.The 3rd projection 222aa and the 4th projection 222ab are convexly set in the second inner surface 222c of the second supporting seat 222, and the 3rd projection 222aa is positioned at the 4th projection 222ab top.
The first base plate 221b is vertical to be extended from the bottom of the first inner surface 221c of the first supporting seat 221, and three the first auxiliary wheels 223 are arranged at intervals at the first base plate 221b above, and is positioned at the first support convex 221a below.The second base plate 222b vertically extends from the bottom of the second inner surface 222c of the second supporting seat 222, and three the second auxiliary wheels 224 are arranged at intervals at the second base plate 222b above, and is positioned at the second support convex 222a below.
Then, the first movable rail 226 is connected in the first supporting seat 221 vertical with the first supporting seat 221, the second 227 of movable rail are connected in the second supporting seat 222 vertical with the second supporting seat 222, and the first support convex 221a of the first supporting seat 221 and the second support convex 222a of the second supporting seat 222 face one another.
Moreover the first movable rail 226 is parallel with the second movable rail 227 and be engaged in respectively runner 225.
When the first supporting seat 221 is moved, the first movable rail 226 can be passed through runner 225 interlock the second movable rail 227, make the second supporting seat 222 towards approaching or moving away from the direction of the first supporting seat 221, to adjust the distance of the first supporting seat 221 and the second supporting seat 222.
Same, when the second supporting seat 222 is moved, the first supporting seat 221 also can be changed by interlock the distance of itself and the second supporting seat 222.
It should be added that, referring to Fig. 2 and Fig. 3, in this first preferred embodiment, the first supporting seat 221 more comprises locked instrument 221d and the perforation 221e with a plurality of the first 221da of tooth portion, and base 21 more comprises a plurality of the second 21a of tooth portion.
Wherein locked instrument 221d is arranged in perforation 221e, when locked instrument 221d is up moved, while making a plurality of the first 221da of tooth portion not be engaged in a plurality of the second 21a of tooth portion, the first supporting seat 221 can be moved and make the first movable rail 226 by runner 225 interlock the second movable rail 227 and the second supporting seats 222.
But when locked instrument 221d is moved down to a plurality of the first 221da of tooth portion and is engaged in a plurality of the second 21a of tooth portion, the first supporting seat 221 cannot be moved, so the first movable rail 226 cannot be rotated runner 225, therefore the second movable rail 227 and the second supporting seat 222 also cannot produce displacement.
Next the operation workflow of the printer of the present invention's one first preferred embodiment is described.Referring to Fig. 3 to Fig. 5, Fig. 5 shows the paper roll fixture of the present invention's one first preferred embodiment and the decomposing schematic representation of paper roll.As shown in Figure 5, paper roll a is comprised of hollow axle center b and the paper tape c that is wound in hollow axle center b, when user's wish is inserted printer 2 inside by paper roll a, first need on locked instrument 221d, to move, to make the first supporting seat 221 and the second supporting seat 222 be moved freely.Then pull the first supporting seat 221 or the second supporting seat 222, make the first supporting seat 221 and the second supporting seat 222 mutually away from, then make the first support convex 221a stretch into hollow axle center b from the first end a1 of paper roll a.
Then user stops drag the first supporting seat 221 or the second supporting seat 222, the second supporting seat 222 is adjacent to each other with the first supporting seat 221, until the second support convex 222a of the second supporting seat 222 stretches into hollow axle center b from the second end a2 of paper roll a, with fixing paper roll a between the first supporting seat 221 and the second supporting seat 222.
Finally again locked instrument 221d is pressed down, can avoid producing displacement in the first supporting seat 221 and the second supporting seat 222 and print procedure.
The paper roll below explanation to the hollow axle center of different size is placed into the situation between the first supporting seat 221 and the second supporting seat 222, referring to Fig. 3, Fig. 4, Fig. 6 and Fig. 7, Fig. 6 shows that the paper roll in the hollow axle center with first size of the present invention's one first preferred embodiment is placed on the profile between the first supporting seat and the second supporting seat, and Fig. 7 shows that the paper roll in the hollow axle center with the second size of the present invention's one first preferred embodiment is placed on the profile between the first supporting seat and the second supporting seat.
As shown in Figure 6, when thering is the first paper roll a ' of the hollow axle center b ' of the first diameter d and be arranged between the first supporting seat 221 and the second supporting seat 222, the first support convex 221a and the second support convex 222a snap in respectively the two ends of hollow axle center b ', now the top of the first projection 221aa and the 3rd projection 222aa is resisted against respectively the inwall at b ' two ends, hollow axle center, and the bottom of the second projection 221ab and the 4th projection 222ab is also respectively against the inwall at b ' two ends, hollow axle center.
The two ends of the outer surface of paper tape c ' are pressed against respectively three the first auxiliary wheels 223 and three the second auxiliary wheels 224 downwards.
So the first support convex 221a and the second support convex 222a support hollow axle center b ', make the first paper roll a ' can not touch base 21 downwards, now three the first auxiliary wheels 223 and three the second auxiliary wheels 224 can assist paper tape c ' mobile more smooth and easy in print procedure.
Please refer to Fig. 7, when thering is the hollow axle center b of Second bobbin diameter d ' " the second paper roll a " while being arranged between the first supporting seat 221 and the second supporting seat 222, wherein Second bobbin diameter d ' is greater than the first diameter d, the first projection 221aa and the second projection 221ab stretch into hollow axle center b " one end; the 3rd projection 222aa and the 4th projection 222ab stretch into hollow axle center b " the other end, but the first projection 221aa, the second projection 221ab, the 3rd projection 222aa and the 4th projection 222ab neither with hollow axle center b " inwall contact.
So time the first support convex 221a and the second support convex 222a cannot support hollow axle center b "; the second paper roll a " will move down because of Action of Gravity Field, the most important thing is, now because three the first auxiliary wheels 223 and three the second auxiliary wheels 224 are from the second paper roll a " below supports paper tape c " outer surface two ends and support the second paper roll a "; make paper tape c " can not contact with base 21, three the first auxiliary wheels 223 and three the second auxiliary wheels 224 more can be assisted paper tape c simultaneously " mobile, make print procedure more smooth and easy.
As the second paper roll a " use after a period of time paper tape c " length by shorter and shorter, so hollow axle center b " position decline gradually, until hollow axle center b " inwall at two ends is pressed against respectively the first projection 221aa and the 3rd projection 222aa.
Now the first projection 221aa and the 3rd projection 222aa can support the second paper roll a "; and maintain the second paper roll a " position, to avoid hollow axle center b " continue to increase and exit slot e(Fig. 2 because Action of Gravity Field declines) difference in height; otherwise the second paper roll a " will be in print procedure bob, impact printing usefulness.
It should be added that, the first diameter d is the diameter in the current minimum hollow axle center that paper roll has on the market.
Paper roll fixture 22 of the present invention is not limited to above-mentioned structure, next by the element of the paper roll fixture of explanation the present invention one second preferred embodiment, referring to Fig. 8 to Figure 11, Fig. 8 shows the decomposing schematic representation of the first angle of the paper roll fixture of the present invention's one second preferred embodiment, Fig. 9 shows the decomposing schematic representation of the second angle of the paper roll fixture of the present invention's one second preferred embodiment, Figure 10 shows the assembly drawing of the first angle of the paper roll fixture of the present invention's one second preferred embodiment, Figure 11 shows the assembly drawing of the second angle of the paper roll fixture of the present invention's one second preferred embodiment.
The first supporting seat 31 comprises that the first support convex 311, the first base plate 312, the first holes 313, the first rotating shaft 314, the first stator 315, the first flexible member 316 and the first 32 of support chip 317, the second supporting seats comprise the second support convex 321, the second base plate 322, the second holes 323, the second rotating shaft 324, the second stator 325, the second flexible member 326 and the second support chip 327.Wherein the first support convex 311 comprises the first projection 311a and the second projection 311b, and the second 321 of support convex comprise the 3rd projection 321a and the 4th projection 321b.
In addition, the second projection 311b comprises the first scarf s1 and the second scarf s2, and the 4th projection 321b comprises the first scarf s3 and the second scarf s4.The first support chip 317 and the second support chip 327 are made for flexible materials.
Next the assembling sequence of the paper roll fixture of the present invention's one second preferred embodiment is described, continue referring to Fig. 8 to Figure 11.
First, the first holes 313 is opened in the first outer surface 31a that the first supporting seat 31, the first rotating shafts 314 are arranged at the first supporting seat 31, and the first flexible member 316 is also arranged at the first outer surface 31a of the first supporting seat 31 and is positioned at the first rotating shaft 314 tops.
The first support chip 317 upwards protrudes out the bottom margin from the first holes 313, and the second projection 311b is convexly set in the first support chip 317 and protrudes from the first inner surface 31b of the first supporting seat 31.
Moreover, the first rotating shaft 314 is articulated in the first surface 315a of the first stator 315, make the first stator 315 be positioned at the first support chip 317 tops of the first holes 313, and the first flexible member 316 is connected in the first end 315b of the first stator 315 from the first surface 315a of the first stator 315, the first projection 311a is convexly set in second 315c of the first stator 315.
Then, the second holes 323 is opened in the second outer surface 32a that the second supporting seat 32, the second rotating shafts 324 are arranged at the second supporting seat 32, and the second flexible member 326 is also arranged at the second outer surface 32a of the second supporting seat 32 and is positioned at the second rotating shaft 324 tops.
The second support chip 327 upwards protrudes out the bottom margin from the second holes 323, and the 4th projection 321b is convexly set in the second support chip 327 and protrudes from the second inner surface 32b of the second supporting seat 32.
Moreover, the second rotating shaft 324 is articulated in the first surface 325a of the second stator 325, make the second stator 325 be positioned at the second support chip 327 tops of the second holes 323, and the second flexible member 326 is connected in the first end 325b of the second stator 325 from the first surface 325a of the second stator 325, the second projection 321a is convexly set in second 325c of the second stator 325.
In addition, the vertical extension of the first base plate 312 is from the bottom of the first inner surface 31b of the first supporting seat 31, and three the first auxiliary wheels 33 are arranged at intervals on the first base plate 312, and are positioned at the first support convex 311 belows.The second 322 of base plates are vertical to be extended from the bottom of the second inner surface 32b of the second supporting seat 32, and three the second auxiliary wheels 34 are arranged at intervals on the second base plate 322, and are positioned at the second support convex 321 belows.
Then, the first movable rail 36 is connected in the first supporting seat 31 vertical with the first supporting seat 31, the second 37 of movable rail are connected in the second supporting seat 32 vertical with the second supporting seat 32, and the first support convex 311 of the first supporting seat 31 and the second support convex 321 of the second supporting seat 32 face one another.
Finally, the first movable rail 36 is parallel with the second movable rail 37 and be engaged in respectively runner 35.
After paper roll is placed between the first supporting seat 31 and the second supporting seat 32, in print procedure, the operation principles of the first support convex 311, the second support convex 321, three the first auxiliary wheels 33 and three the second auxiliary wheels 34 is identical with the first preferred embodiment, therefore repeat no more in this.
The present invention's one second preferred embodiment and the first preferred embodiment difference are, when user inserts paper roll between the first supporting seat 31 and the second supporting seat 32 downwards, the first projection 311a, the second projection 311b, the 3rd projection 321a and the 4th projection 321b can stretch into the hollow axle center of paper roll automatically, below will describe in detail.
Referring to Figure 10 to Figure 13, the profile of the paper roll fixture that Figure 12 shows the present invention's one second preferred embodiment when paper roll is not inserted, the profile of the paper roll fixture that Figure 13 shows the present invention's one second preferred embodiment when paper roll is inserted.The paper tape 38a that paper roll 38 comprises hollow axle center 38b and is wound in hollow axle center 38b.When not yet paper roll 38 is inserted, the pulling force that the first end 315b of the first stator 315 is subject to the first flexible member 316 drives, rotation centered by the first rotating shaft 314 and moving to the first outer surface 31a of the first supporting seat 31, make the first projection 311a not protrude from the first inner surface 31b, and make the second end 315d of the first stator 315 protrude from the first inner surface 31b.
Identical, the pulling force that the first end 325b of the second stator 325 is subject to the second flexible member 326 drives, rotation centered by the second rotating shaft 324 and moving to the second outer surface 32a of the second supporting seat 32, make the 3rd projection 321a not protrude from the second inner surface 32b of the second supporting seat 32, and make the second end 325d of the second stator 325 protrude from the second inner surface 32b.
When paper roll is inserted between the first supporting seat 31 and the second supporting seat 32 from top to bottom, the two ends of paper roll 38 promote the second end 315d of the first stator 315 and the second end 325d of the second stator 325 simultaneously, the first outer surface 31a so the second end 315d of the first stator 315 rotates centered by the first rotating shaft 314 to the first supporting seat 31 moves, the also rotation and moving to the second outer surface 32a of the second supporting seat 32 centered by the second rotating shaft 324 of the second end of the second stator 325.
Then the two ends of paper roll 38 continue to compress the second projection 311b of the first support chip 317 and the 4th projection 321b of the second support chip downwards, the second projection 311b is moved to the first outer surface 31a of the first supporting seat 31, the 4th projection 321b moves to the second outer surface 32a of the second supporting seat 32, and the first scarf s1 of the second projection 311b and the first scarf s3 of the 4th projection 321b pass through paper roll 38 smoothly.
When paper roll 38 is placed between the first supporting seat 31 and the second supporting seat 32 completely, the first stator 315 and the second stator 325 rotations are to parallel with the first supporting seat 31 and the second supporting seat 32, now the first projection 311a of the first stator 315 protrudes from the first inner surface 31b of the first supporting seat 31, the 3rd projection 321a of the second stator 325 also protrudes from the second inner surface 32b of the second supporting seat 32, so the first projection 311a and the 3rd projection 321a stretch into the hollow axle center 38b of paper roll 38, and its top is resisted against respectively the inwall at 38b two ends, hollow axle center.
Now the first support chip 317 and the second support chip 327 are no longer subject to the thrust of paper roll 38, rely on the toughness of himself to return back to position originally, so the second projection 311b and the 4th projection 321b stretch into hollow axle center 38b, and its bottom is resisted against respectively the inwall at 38b two ends, hollow axle center, and paper roll 38 is firm being fixed between the first supporting seat 31 and the second supporting seat 32.
And when paper roll 38 is when being removed between the first supporting seat 31 and the second supporting seat 32, the two ends of paper roll 38 upwards contact the second projection 311b of the first support chip 317 and the 4th projection 321b of the second support chip 327, the second projection 311b is moved to the first outer surface 31a of the first supporting seat 31, the 4th projection 321b moves to the second outer surface 32a of the second supporting seat 32, and the second scarf s2 of the second projection 311b and the second scarf s4 of the 4th projection 321b pass through paper roll 38 smoothly.
The second end 315d of the first stator 315 and the second end 325d of the second stator 325 are no longer promoted by paper roll 38 simultaneously, the first outer surface 31a so the restoring force that the first flexible member 316 provides rotates the first end 315b of the first stator 315 centered by the first rotating shaft 314 to the first supporting seat 31 moves, the first projection 311a returns back to position originally and no longer protrudes from the first inner surface 31b, and also rotation and moving to the second outer surface 32a of the second supporting seat 32 centered by the second rotating shaft 324 of the first end 325b of the second stator 325, the 3rd projection 321a returns back to position originally and no longer protrudes from the second inner surface 32b, paper roll 38 is not stopped and be upwards removed smoothly.
When paper roll 38 is removed completely, the second projection 311b and the 4th projection 321b are no longer subject to the thrust of paper roll 38, and the toughness according to himself returns back to position originally.
Paper roll fixture of the present invention is not limited to above two kinds of structures, below by the paper roll fixture of explanation the present invention 1 the 3rd preferred embodiment, referring to Figure 14 and Figure 15, Figure 14 shows the stereogram of the first angle of the paper roll fixture of the present invention 1 the 3rd preferred embodiment, and Figure 15 shows the stereogram of the second angle of the paper roll fixture of the present invention 1 the 3rd preferred embodiment.
First the element of the paper roll fixture of the present invention 1 the 3rd preferred embodiment is described.Paper roll fixture 4 comprises the first supporting seat 41, the second supporting seat 42, three the first auxiliary wheels 43, three the second auxiliary wheels 44, runner 45, the first movable rail 46 and the second movable rail 47.
The first supporting seat 41 comprises the first support convex 41a and the first base plate 41b, and the second 42 of supporting seats comprise the second support convex 42a and the second base plate 42b.
Next the assembling sequence of the paper roll fixture of the present invention 1 the 3rd preferred embodiment is described, continue referring to Figure 14 and Figure 15.First, the first support convex 41a is convexly set in the first inner surface 41c of the first supporting seat 41, and the second support convex 42a is convexly set in the second inner surface 42c of the second supporting seat 42.
The first base plate 41b is vertical to be extended from the bottom of the first inner surface 41c of the first supporting seat 41, and three the first auxiliary wheels 43 are arranged at intervals at the first base plate 41b above, and is positioned at the first support convex 41a below.The second base plate 42b vertically extends from the bottom of the second inner surface 42c of the second supporting seat 42, and three the second auxiliary wheels 44 are arranged at intervals at the second base plate 42b above, and is positioned at the second support convex 42a below.
Then, the first movable rail 46 is connected in the first supporting seat 41 vertical with the first supporting seat 41, the second 47 of movable rail are connected in the second supporting seat 42 vertical with the second supporting seat 42, and the first support convex 41a of the first supporting seat 41 and the second support convex 42a of the second supporting seat 42 face one another.
Moreover the first movable rail 46 is parallel with the second movable rail 47 and be engaged in respectively runner 45.
Different from the present invention's the first preferred embodiment, the first support convex 41a and the second support convex 42a are all ring-type projection, and as shown in Figure 14 and Figure 15, and the diameter of this ring-type projection equals the first diameter d of hollow axle center b ' of the first paper roll a ' of Fig. 6.
The operation workflow of paper roll fixture 4 is identical with paper roll fixture 2, therefore repeat no more in this.
From above preferred embodiment, the present invention is by the setting of the first support convex, the second support convex, the first auxiliary wheel and the second auxiliary wheel, makes paper roll fixture be applicable to have the paper roll in the hollow axle center of various diameters.
Comprehensive the above, the paper roll fixture of printer of the present invention makes paper roll fixture that the support convex of the paper roll that meets all specifications needn't be set, only need setting to meet at present the support convex in the hollow axle center of minimum diameter on the market, be equipped with again in the auxiliary wheel of support convex below, can reach the object of the paper roll that supports the hollow axle center with various diameters.So not only simplified the overall structure of paper roll fixture, more reduced manufacturing cost and the required volume taking, user does not also need to coordinate support convex to choose paper roll again, has not only improved existing shortcoming and has more brought the convenience using.
Above-described embodiment is only explanation technological thought of the present invention and feature, its object makes those of ordinary skills can understand content of the present invention and implement according to this, when can not with restriction the scope of the claims of the present invention, the equalization of generally doing according to disclosed spirit changes or modifies, and must be encompassed in the scope of the claims of the present invention.
Claims (11)
1. a paper roll fixture for printer, in order to a paper roll with a hollow axle center is fixed on to a printer, is characterized in that, the paper roll fixture of this printer comprises:
One first supporting seat, comprising:
One first support convex;
A plurality of the first auxiliary wheels, are arranged at intervals at the bottom part that this first support convex below is close to this first supporting seat;
One second supporting seat, parallel with this first supporting seat, comprising:
One second support convex; And
A plurality of the second auxiliary wheels, are arranged at intervals at the bottom part that this second support convex below is close to this second supporting seat;
Wherein this first support convex stretches into this hollow axle center from a first end of this paper roll, this second support convex stretches into this hollow axle center from one second end of this paper roll, this paper roll is fixed between this first supporting seat and this second supporting seat, and the two ends of an outer surface of this paper roll are pressed against respectively described a plurality of the first auxiliary wheel and described a plurality of the second auxiliary wheel.
2. the paper roll fixture of printer as claimed in claim 1, wherein this first supporting seat also comprises one first base plate, this first base plate is vertical to be extended from the bottom of one first inner surface of this first supporting seat, and described a plurality of the first auxiliary wheels are arranged at intervals on this first base plate.
3. the paper roll fixture of printer as claimed in claim 2, wherein this second supporting seat also comprises one second base plate, this second base plate is vertical to be extended from the bottom of one second inner surface of this second supporting seat, and described a plurality of the second auxiliary wheels are arranged at intervals on this second base plate.
4. the paper roll fixture of printer as claimed in claim 3, also comprises:
One runner;
One first movable rail, is connected in this first supporting seat, and is engaged in this runner; And
One second movable rail, parallel with this first movable rail, be connected in this second supporting seat, and be engaged in this runner;
Wherein this first supporting seat and this second supporting seat are done straight line reciprocating action back and forth by this runner, to adjust the distance of this first supporting seat and this second supporting seat.
5. the paper roll fixture of printer as claimed in claim 4, wherein this first support convex is convexly set in this first inner surface, comprise one first projection and one second projection, wherein this first projection is positioned at this second projection top, this second support convex is convexly set in this second inner surface, comprise one the 3rd projection and one the 4th projection, wherein the 3rd projection is positioned at the 4th projection top.
6. the paper roll fixture of printer as claimed in claim 5, wherein this first supporting seat also comprises:
One first holes, is opened in this first supporting seat;
One first rotating shaft, is arranged at one first outer surface of this first supporting seat;
One first stator, is hubbed at this first rotating shaft, and is positioned at this first holes;
One first flexible member, is arranged at this first rotating shaft top, and is connected in this first stator; And
One first support chip, is arranged in this first holes, and is positioned at this first stator below;
Wherein this first projection is arranged at this first stator, this second projection is arranged at this first support chip, this first flexible member makes this first projection of this first stator not protrude this first inner surface of this first supporting seat, and makes an end of this first stator protrude this first inner surface of this first supporting seat.
7. the paper roll fixture of printer as claimed in claim 6, wherein this second supporting seat also comprises:
One second holes, is opened in this second supporting seat;
One second rotating shaft, is arranged at one second outer surface of this second supporting seat;
One second stator, is hubbed at this second rotating shaft, and is positioned at this second holes;
One second flexible member, is arranged at this second rotating shaft top, and is connected in one end of this second stator; And
One second support chip, is arranged in this second holes, and is positioned at this second stator below;
Wherein the 3rd projection is arranged at this second stator, the 4th projection is arranged at this second support chip, this second flexible member makes the 3rd projection of this second stator not protrude this second inner surface of this second supporting seat, and makes an end of this second stator protrude this second inner surface of this second supporting seat.
8. the paper roll fixture of printer as claimed in claim 7, wherein this first support chip and this second support chip are that flexible materials is made.
9. the paper roll fixture of printer as claimed in claim 8, wherein this second projection and the 4th projection comprise respectively two scarves, to guide this paper roll to enter or leave between this first supporting seat and this second supporting seat.
10. the paper roll fixture of printer as claimed in claim 1, wherein this first support convex and this second support convex are all a ring-type projection.
The paper roll fixture of 11. printers as claimed in claim 1, wherein this first supporting seat also comprises a perforation and a locked instrument, this printer also comprises a plurality of the second tooth portions that are positioned at its inside, wherein this locked instrument is arranged in this perforation, there are a plurality of the first tooth portions, in order to be engaged in described a plurality of the second tooth portion, to fix this first supporting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210275070.9A CN103568600A (en) | 2012-08-03 | 2012-08-03 | Paper roll fixing device of printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210275070.9A CN103568600A (en) | 2012-08-03 | 2012-08-03 | Paper roll fixing device of printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103568600A true CN103568600A (en) | 2014-02-12 |
Family
ID=50041663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210275070.9A Pending CN103568600A (en) | 2012-08-03 | 2012-08-03 | Paper roll fixing device of printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103568600A (en) |
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| CN104943417A (en) * | 2015-07-02 | 2015-09-30 | 维卡（厦门）智能技术有限公司 | Printer fixing device |
| CN106414093A (en) * | 2014-06-05 | 2017-02-15 | 惠普发展公司有限责任合伙企业 | Media roll holder |
| CN110549751A (en) * | 2018-05-30 | 2019-12-10 | 兄弟工业株式会社 | printing apparatus |
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