CN102190165A - Friction wheel and friction wheel module using same - Google Patents
Friction wheel and friction wheel module using same Download PDFInfo
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- CN102190165A CN102190165A CN201010124200XA CN201010124200A CN102190165A CN 102190165 A CN102190165 A CN 102190165A CN 201010124200X A CN201010124200X A CN 201010124200XA CN 201010124200 A CN201010124200 A CN 201010124200A CN 102190165 A CN102190165 A CN 102190165A
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Abstract
The invention relates to a friction wheel and a friction wheel module using the same. The friction wheel is used for providing friction force for separating files in an automatic paper feeder. The friction wheel can rotate unidirectionally, and the contact surface of the friction wheel is switched by use of the unidirectional rotation. According to the invention, the friction wheel does not rotate during a paper feeding process and contacts with files through the designated contact surface. Moreover, the friction wheel also can be rotated so as to switch the contact surface in contact with the files.
Description
Technical field
The present invention relates to a kind of friction wheel, relate in particular to the friction wheel that is applied in the automatic paper feeder.
Background technology
Generally speaking, automatic paper feeder all cooperates scanner to use, so that carry out the scanning of a folded file.Automatic paper feeder all is provided with a paper taking module, in order to a folded file is presented and is moved to enter in the automatic paper feeder toward a paper feed direction by the feeding box of placing file, in the file feed process, only there is one in order to ensure present the file that enters in the automatic paper feeder at every turn, except a comber is set in paper taking module, also a friction lining need be set below comber, can provide friction force to the file that contacts with friction lining, and make the file that contacts with paper taking module and the friction force between paper taking module greater than the friction force between file, and file that contacts with friction lining and the friction force between friction lining are also greater than the friction force between file, to guarantee that only presenting a file enters in the automatic paper feeder at every turn.Along with the elongation of the period of service of automatic paper feeder, friction lining also with abrasion, make friction lining can't guarantee the separation function.
Therefore, release a kind of friction wheel that is applied to automatic paper feeder on the market, replace friction lining, the effect of friction wheel and friction lining are much at one, and being better than the friction lining part, friction wheel is, in the time of between file is by paper taking module and friction wheel, friction wheel will owing to file pass through rotate, therefore friction wheel can not fixed by the zone that file wears away at every turn, that is to say that the zone of friction wheel abrasion will be scattered in each zone of friction wheel owing to the rotation of friction wheel, unlike friction lining, the zone that is worn away by file is all identical at every turn, so the useful life of friction wheel is than the friction length of a film.
Yet friction wheel has the shortcoming identical with friction lining, just can't point out the abrasion situation of user's friction wheel or friction lining.General friction wheel or friction lining have worn away to can't proper motion the time, and friction wheel or friction lining are still movable usually, but the probability that dual paper feed takes place will heighten.When the user found that friction wheel or friction lining have seriously worn away by the time, dual paper feed had many times taken place in automatic paper feeder, and just some file will not be scanned.Must labor intensive check that dual paper feed takes place which file this moment and must rescan that so working phase is worked as labor intensive and time at the file that dual paper feed takes place.
Summary of the invention
The object of the present invention is to provide a kind of friction wheel of abrasion zone of changeable friction wheel.
The object of the present invention is to provide a kind of friction wheel that shows the friction wheel wear intensity.
Another object of the present invention is to provide a kind of convenient dismounting and stack-mounted friction wheel module.
In a preferred embodiment, the invention provides a kind of friction wheel, be applied to an automatic paper feeder, so that a friction force that is used for separating one first file and one second file to be provided, wherein this first file is positioned at this second file top, this friction wheel is arranged on the document feeder housing of this automatic paper feeder, and the accommodating structure that this document feeder housing has a friction race and is positioned at a side of this friction race, this friction wheel comprises:
One axle assembly is arranged in this friction race, in order to rotate with respect to this document feeder housing;
One switches wheel, is arranged at a side of this axle assembly and is connected in this axle assembly, and rotate synchronously with this axle assembly, and wherein this switching wheel has one first ' locked ' zone and one second ' locked ' zone;
One block bar, be arranged in this accommodating structure, and this block bar has a restrictions, and this restrictions stretches into this first ' locked ' zone or this second ' locked ' zone of this switching wheel, and this restrictions is subjected to the restriction of a stop part and stops this block bar to carry out the rotation of one first hand of rotation; And
One friction tube, a mating surfaces that is sheathed on this axle assembly and this friction tube be revealed in this friction race outside, contact with this second file when this friction tube is used to this first file and this second file and enters this automatic paper feeder and produce this friction force; Wherein when this second file toward a paper feed direction when moving, this block bar is subjected to the restriction of this stop part and limits this axle assembly and rotate toward this first hand of rotation, and make this mating surfaces still be revealed in this friction race outside; And when this axle assembly rotates toward one second hand of rotation in contrast to this first hand of rotation, this block bar rotates toward this second hand of rotation owing to the rotation of this axle assembly, and this restrictions is moved in this second ' locked ' zone by this first ' locked ' zone, make another mating surfaces of this friction tube be revealed in this friction race outside.
In a preferred embodiment, this document feeder housing also comprises a spacing hole, be positioned between this accommodating structure and this friction race on the one friction race sidewall, wherein this stop part is spacing hole's sidewall of this spacing hole, carries out the rotation of this first hand of rotation in order to limit this block bar.
In a preferred embodiment, this friction tube also comprises a ground floor friction tube and a second layer friction tube, and this ground floor friction tube is covered in this second layer friction tube, and this mating surfaces and this another mating surfaces are positioned on this ground floor friction tube.
In a preferred embodiment, friction wheel of the present invention also comprises a plurality of soft bodies, is arranged on this axle assembly and with this friction tube to contact, in order to increase the area of contact of this second file and this friction tube.
In a preferred embodiment, each soft body is a long strip type, and each soft body is made with sponge, soft rubber, EVA material or EPDM material.
In a preferred embodiment, this axle assembly also comprises a plurality of grooves, in order to take in described a plurality of soft body.
In a preferred embodiment, this switching wheel comprises:
One D profile shaft hole; Wherein this axle assembly passes this D profile shaft hole and this switching wheel is connected to each other with this axle assembly, and this switching wheel is rotated synchronously with this axle assembly;
One serrated surface, a convenient user stirs this switching wheel in order to a skin friction force to be provided; And
A plurality of locking columns are in order to form this first ' locked ' zone and this second ' locked ' zone and to replace this restrictions and limit the rotation amplitude of this switching wheel, so that this mating surfaces of this friction tube is revealed in outside this friction race.
In a preferred embodiment, described a plurality of locking column comprises one first locking column, one second locking column, one the 3rd locking column and one the 4th locking column, this first locking column and this second locking column form this first ' locked ' zone, and this second locking column and the 3rd locking column form this second ' locked ' zone; Wherein the 3rd locking column has one first mark, in order in alignment with a housing mark of this document feeder housing this mating surfaces of this friction tube is revealed in outside this friction race; And the 4th locking column has one second mark, in order in alignment with this housing mark of this document feeder housing this another mating surfaces of this friction tube is revealed in outside this friction race.
In a preferred embodiment, the present invention also provides a kind of friction wheel module, be applied to an automatic paper feeder, so that a friction force that is used for separating one first file and one second file to be provided, wherein this first file is positioned at this second file top, this friction wheel module is arranged on the document feeder housing of this automatic paper feeder, and the accommodating structure that this document feeder housing has a friction wheel module slot and is positioned at a side of this friction wheel module slot, this friction wheel module comprises:
One module housing is arranged in this friction wheel module slot;
One axle assembly is arranged in this module housing, in order to rotate with respect to this module housing;
One switches wheel, is arranged at a side of this axle assembly and is connected in this axle assembly, and rotate synchronously with this axle assembly, and wherein this switching wheel has one first ' locked ' zone and one second ' locked ' zone;
One block bar, be arranged in this accommodating structure, and this block bar has a restrictions, and this restrictions stretches into this first ' locked ' zone or this second ' locked ' zone of this switching wheel, and this restrictions is subjected to the restriction of a stop part and stops this block bar to carry out the rotation of one first hand of rotation; And
One friction tube, a mating surfaces that is sheathed on this axle assembly and this friction tube is revealed in outside this friction wheel module slot, contacts with this second file when this friction tube is used to this first file and this second file and enters this automatic paper feeder and produces this friction force; Wherein when this second file moved toward a paper feed direction, this block bar was subjected to the restriction of this stop part and limits this axle assembly and rotate toward this first hand of rotation, and this mating surfaces still is revealed in outside this friction wheel module slot; And when this axle assembly rotates toward one second hand of rotation in contrast to this first hand of rotation, this block bar rotates toward this second hand of rotation owing to the rotation of this axle assembly, and this restrictions is moved in this second ' locked ' zone by this first ' locked ' zone, and another mating surfaces of this friction tube is revealed in outside this friction wheel module slot.
In a preferred embodiment, this document feeder housing also comprises a spacing hole, be positioned between this accommodating structure and this friction race on the one friction race sidewall, wherein this stop part is spacing hole's sidewall of this spacing hole, carries out the rotation of this first hand of rotation in order to limit this block bar.
In a preferred embodiment, this friction tube also comprises a ground floor friction tube and a second layer friction tube, and this ground floor friction tube is covered in this second layer friction tube, and this mating surfaces and this another mating surfaces are positioned on this ground floor friction tube.
In a preferred embodiment, friction wheel module of the present invention also comprises a plurality of soft bodies, is arranged on this axle assembly and with this friction tube to contact, in order to increase the area of contact of this second file and this friction tube.
In a preferred embodiment, each this soft body is a long strip type, and each this soft body is made with sponge, soft rubber, EVA material or EPDM material.
In a preferred embodiment, this axle assembly also comprises a plurality of grooves, in order to take in described a plurality of soft body.
In a preferred embodiment, this switching wheel comprises:
One D profile shaft hole; Wherein this axle assembly passes this D profile shaft hole and this switching wheel is connected to each other with this axle assembly, and this switching wheel is rotated synchronously with this axle assembly;
One serrated surface, a convenient user stirs this switching wheel in order to a skin friction force to be provided; And
A plurality of locking columns are in order to form this first ' locked ' zone and this second ' locked ' zone and to replace this restrictions and limit the rotation amplitude of this switching wheel, so that this mating surfaces of this friction tube is revealed in outside this friction wheel module slot; One first locking column of wherein said a plurality of locking columns has one first mark, in order in alignment with a housing mark of this document feeder housing this mating surfaces of this friction tube is revealed in outside this friction wheel module slot; And one second locking column of described a plurality of locking columns has one second mark, in order in alignment with this housing mark of this document feeder housing this another mating surfaces of this friction tube is revealed in outside this friction wheel module slot.
In a preferred embodiment, described a plurality of locking column comprises one first locking column, one second locking column, one the 3rd locking column and one the 4th locking column, this first locking column and this second locking column form this first ' locked ' zone, and this second locking column and the 3rd locking column form this second ' locked ' zone; Wherein the 3rd locking column has one first mark, in order in alignment with a housing mark of this document feeder housing this mating surfaces of this friction tube is revealed in outside this friction wheel module slot; And the 4th locking column has one second mark, in order in alignment with this housing mark of this document feeder housing this another mating surfaces of this friction tube is revealed in outside this friction wheel module slot.
Description of drawings
Fig. 1 is that friction wheel of the present invention is set at the structural representation on the document feeder housing in first preferred embodiment.
Fig. 2 is the structural representation of document feeder housing in first preferred embodiment.
Fig. 3 is the structural representation of friction wheel of the present invention in first preferred embodiment.
Structure side intention when Fig. 4 is in the paper feed state for friction wheel of the present invention in first preferred embodiment.
Structure side view when Fig. 5 A, 5B, 5C are in switching state for friction wheel of the present invention in first preferred embodiment.
Fig. 6 is marked in first preferred embodiment structural representation in alignment with the housing mark of document feeder housing for first of friction wheel of the present invention.
Fig. 7 is the STRUCTURE DECOMPOSITION figure of friction wheel of the present invention in second preferred embodiment.
Fig. 8 is that friction wheel module of the present invention is set at the structural representation on the document feeder housing in the 3rd preferred embodiment.。
Fig. 9 is the structural representation of document feeder housing in the 3rd preferred embodiment.
Figure 10 is the STRUCTURE DECOMPOSITION figure of friction wheel module of the present invention in the 3rd preferred embodiment.
Figure 11 A, 11B are disassembled in the 3rd preferred embodiment/the stack-mounted structural representation for friction wheel module of the present invention.
Wherein, description of reference numerals is as follows:
1,3 friction wheels, 2,5 document feeder housings
4 friction wheel modules, 11,31,41 axle assemblies
12,32,42 switch wheel 13,33,43 block bars
14,34,44 friction tubes, 20 paper taking modules
21 friction races, 22,52 accommodating structures
23 friction race sidewalls, 24,54 housing marks
35,45 soft body 40 module housings
51 friction wheel module slots, 53 friction wheel module slot sidewalls
121,122,421,422 ' locked ' zones 123,423D profile shaft hole
124,424 serrated surface, 125,425 locking columns
131,431 restrictions, 141,441 ground floor friction tubes
142,442 second layer friction tubes, 231,531 spacing holes
311,411 grooves, 1251,4,251 first locking columns
1252,4,252 second locking columns, 1253,4253 the 3rd locking columns
1254,4254 the 4th locking columns, 1411,1412,4411 mating surfacess
2311,5311 stop parts, 12531,12541 marks
A paper feed direction C1, C2, C1 ' hand of rotation
D1, D2 file
The specific embodiment
Please consult Fig. 1 and Fig. 2 simultaneously, Fig. 1 is that friction wheel of the present invention is set at the structural representation on the document feeder housing in first preferred embodiment, and Fig. 2 is the structural representation of document feeder housing in first preferred embodiment.In the automatic paper feeder, friction wheel 1 is set on the document feeder housing 2 of automatic paper feeder, and friction wheel 1 comprises that an axle assembly 11, switches wheel 12, one a block bar 13 and a friction tube 14.Document feeder housing 2 has a friction race 21, be positioned at this friction race 21 a side an accommodating structure 22 and be positioned at one of 22 of friction race 21 and the accommodating structures race sidewall 23 that rubs, and friction race sidewall 23 has a spacing hole 231, and spacing hole 231 has a stop part 2311, in this preferred embodiment, stop part 2311 is spacing hole's sidewall.Friction wheel 1 is set in the friction race 21, and accommodating structure 22 is in order to take in the block bar 13 of friction wheel 1, wherein block bar 13 pass spacing hole 231 and with switch wheel 12 and be connected.
Next the inner structure and the annexation of friction wheel 1 are described, please consult Fig. 1 and Fig. 3 simultaneously, Fig. 3 is the structural representation of friction wheel of the present invention in first preferred embodiment.In the friction wheel 1, axle assembly 11 is arranged in the friction race 21, switching wheel 12 is arranged at a side of axle assembly 11 and is connected in axle assembly 11, and rotate synchronously with axle assembly 11, switch wheel 12 and have one first ' locked ' zone 121, one second ' locked ' zone 122, a D profile shaft hole 123, a serrated surface 124 and a plurality of locking column 125.Axle assembly 11 passes D profile shaft hole 123 and makes and switch wheel 12 and be connected to each other with axle assembly 11, and makes and switch wheel 12 and rotates synchronously with axle assembly 11, and convenient user stirs to switch and takes turns 12 serrated surface 124 in order to a skin friction force to be provided.A plurality of locking columns 125 comprise one first locking column 1251, one second locking column 1252, one the 3rd locking column 1253 and one the 4th locking column 1254, first locking column 1251 and second locking column 1252 are in order to form first ' locked ' zone, 121, the second locking columns 1252 and the 3rd locking column 1253 then in order to form second ' locked ' zone 122.
Next the case of motion of friction wheel 1 is described, please consults Fig. 1 and Fig. 4 simultaneously, the structure side intention when Fig. 4 is in the paper feed state for friction wheel of the present invention in first preferred embodiment.Automatic paper feeder has a paper taking module 20, when the automatic paper feeder setting in motion, the roller of paper taking module 20 is presented the first file D1 and the second file D2 toward one second hand of rotation C2 rotation, wherein the first file D1 is positioned at second file D2 top, and the first file D1 contacts with paper taking module 20.The first file D1 and the second file D2 move toward a paper feed direction A owing to presenting of paper taking module 20, and the second file D2 contacts with the mating surfaces 1411 of friction wheel 1, therefore friction wheel 1 provides a friction force to the second file D2, and separates the first file D1 and the second file D2.What need special version is, presenting in the process of the first file D1 and the second file D2, the restrictions 131 of block bar 13 is subjected to the restriction of stop part 2311 and stops block bar 13 to carry out the rotation of the first hand of rotation C1, therefore, friction wheel 1 does not carry out the rotation of the first hand of rotation C1 in response to moving of the second file D2, that is to say, only have the mating surfaces 1411 of friction tube 14 to be worn away in presenting in the process of file D1 and D2.
The rotation that can't carry out the first hand of rotation C1 owing to friction wheel 1 makes the area limiting that is worn away on the friction tube 14 on mating surfaces 1411, it is hereby ensured that the zone except that mating surfaces 1411 all is not worn away, and can allow the user be worn away to can't proper motion the time in mating surfaces 1411, the zone that will contact with file is changed to another mating surfaces 1412 and is made friction wheel 1 be able to proper motion by mating surfaces 1411.And the user only need stir and switches wheel 12 it is rotated toward second hand of rotation C2, then can switch to another mating surfaces 1412 with being revealed in friction race 21 outer mating surfacess 1411.
See also Fig. 5 A, 5B, 5C, the structure side view when it is in switching state for friction wheel of the present invention in first preferred embodiment.Among Fig. 5 A, the restrictions 131 of block bar 13 is inserted in first ' locked ' zone 121 of 1252 of first locking column 1251 and second locking columns, and 125 of a plurality of locking columns that switch wheel 12 limit restrictions 131 and only can move in first ' locked ' zone 121, and can limit the rotation amplitude that switches wheel 12 and rub outside the race 21 to guarantee that mating surfaces 1411 keeps being revealed in.When the user stirs the serrated surface 124 of switching wheel 12 and makes when switching wheel 12 and rotating toward the second hand of rotation C2, second locking column 1252 is replaced restrictions 131, make restrictions 131 also toward second hand of rotation C2 rotation and towards the left side (visual angle by Fig. 5 B is a benchmark), shown in Fig. 5 B.Next, switching wheel 12 continues to rotate toward the second hand of rotation C2, and when second locking column 1252 of replacing restrictions 131 no longer makes restrictions 131 also rotate toward the second hand of rotation C2, restrictions 131 is because the influence of gravity and by be returned to the state of (visual angle by Fig. 5 C is a benchmark) towards the below originally towards the left side, that is by a small margin toward first hand of rotation C1 swing, simultaneously, switching wheel 12 also continues to rotate toward the second hand of rotation C2, make restrictions 131 stretch into second ' locked ' zone 122 of 1253 of second locking column 1252 and the 3rd locking columns, in switching wheel 12 in the second hand of rotation C2 rotating process, axle assembly 11 rotates synchronously with switching wheel 12, and when restrictions 131 switches to second ' locked ' zone 122 by first ' locked ' zone 121, friction tube 14 also rotates synchronously and switches to another mating surfaces 1412 by mating surfaces 1411, and another mating surfaces 1412 is revealed in outside the friction race 21.
At last, see also Fig. 6, it is marked in first preferred embodiment structural representation in alignment with the housing mark of document feeder housing for first of friction wheel of the present invention.Document feeder housing 2 has a housing mark 24, and the 3rd locking column 1253 has one first mark 12531, the 4th locking column 1254 has one second mark 12541, first mark 12531 is revealed in outside the friction race 21, as shown in Figure 6 in order to the mating surfaces 1411 that makes friction tube 14 in alignment with housing mark 24.Second mark 12541 then is revealed in outside the friction race 21 in order to another mating surfaces 1412 that makes friction tube 14 in alignment with housing mark 24.Guaranteed whether mating surfaces 1411 or another mating surfaces 1412 are revealed in outside the friction race 21 fully by to be allowed the user by first mark 12531 and second mark 12541, and can be learnt further whether restrictions 131 stretches in first ' locked ' zone 121 or second ' locked ' zone 122 really.In this preferred embodiment, first mark 12531 is applied on the 3rd locking column 1253 with green coating, second mark 12541 then is applied on the 4th locking column 1254 with yellow paint, by two kinds of different colours in case allow the user distinguish to be revealed at present friction race 21 outer be which mating surfaces.
What need special version is, the usefulness that friction tube 14 has ground floor friction tube 141 and second layer friction tube 142 is intended to, when the ground floor friction tube 141 on the mating surfaces 1411 is worn away when making second layer friction tube 142 be revealed in outside the friction tube 14, expression mating surfaces 1411 has been worn away and can't proper motion, therefore, when finding that second layer friction tube 142 is revealed in outside the friction tube 14, the user represents then that the user should rotate switching wheel 12 and another mating surfaces 1412 is revealed in outside the friction race 21.In order to make second layer friction tube 142 more eye-catching, ground floor friction tube 141 can adopt black rubber to make, and second layer friction tube 142 then adopts red rubber to make, to reach preferable display effect.
Generally speaking, in the file feed process, because pressing down of paper taking module, the area of contact that the mating surfaces of friction wheel contacts with file is a line, and its area of contact young pathbreaker causes the separation failure easily, especially when mating surfaces is worn away, the separation rate of failure will heighten, and therefore, the present invention also provides a kind of friction wheel that increases its area of contact, see also Fig. 7, it is the STRUCTURE DECOMPOSITION figure of friction wheel of the present invention in second preferred embodiment.The friction wheel 3 of this preferred embodiment be it seems with the friction wheel 1 of first preferred embodiment identical by outward appearance, the two difference is the inner structure of friction wheel 3, and the structure such as document feeder housing and block bar and first preferred embodiment are identical, so repeat no more.Among Fig. 7, friction wheel 3 comprises that an axle assembly 31, switches wheel 32, one block bar 33, a friction tube 34 and a plurality of soft body 35.A plurality of soft bodies 35 are arranged on the axle assembly 31 and with friction tube 34 and contact, in order to increase the area of contact of second file (not being shown among the figure) and friction tube 34, wherein each soft body 35 is a long strip type, and each soft body 35 is made with sponge, soft rubber, EVA material or EPDM material.And axle assembly 31 comprises a plurality of grooves, in order to take in a plurality of soft bodies 35.When replacing downwards owing to paper taking module when file is contacted with friction wheel 3, because the soft body 35 of friction wheel 3 in-to-ins is a flexible material, so the friction tube that contacts with file will be to lower recess, and its concave shape is determined by the shape of its soft body 35, therefore, the sunk area of friction tube forms an elongate in shape, makes the area of contact of file and friction tube increase to elongate in shape by line, so can promote the separation effect of friction wheel 3.
In addition, the present invention also provides a kind of friction wheel module, please consult Fig. 8 and Fig. 9 simultaneously, Fig. 8 is that friction wheel module of the present invention is set at the structural representation on the document feeder housing in the 3rd preferred embodiment, and Fig. 9 is the structural representation of document feeder housing in the 3rd preferred embodiment.In the automatic paper feeder, friction wheel module 4 is set on the document feeder housing 5 of automatic paper feeder, and friction wheel module 4 comprises that a module housing 40, an axle assembly 41, switch wheel 42, one block bar 43, a friction tube 44 and a plurality of soft body 45.Document feeder housing 5 has a friction wheel module slot 51, be positioned at the accommodating structure 52 of a side of this friction wheel module slot 51 and a friction wheel module slot sidewall 53 and a housing mark 54 that is positioned at 52 of friction wheel module slots 51, accommodating structure, and friction wheel module slot sidewall 53 has a spacing hole 531, and spacing hole 531 has a stop part 5311, in this preferred embodiment, stop part 5311 is spacing hole's sidewall.Friction wheel module 4 is set in the friction wheel module slot 51, and accommodating structure 52 is in order to take in the block bar 43 of friction wheel module 4, wherein block bar 43 pass spacing hole 431 and with switch wheel 42 and be connected.
Next please consult Fig. 8 and Figure 10 simultaneously, Figure 10 is the STRUCTURE DECOMPOSITION figure of friction wheel module of the present invention in the 3rd preferred embodiment.In the friction wheel module 4, module housing 40 is arranged in the friction wheel module slot 51, and axle assembly 41 is arranged in the friction wheel module slot 51, and axle assembly 41 comprises a plurality of grooves 411, in order to take in a plurality of soft bodies 45.Switching wheel 42 is arranged at a side of axle assembly 41 and is connected in axle assembly 41, and rotate synchronously, and switch wheel 42 and have one first ' locked ' zone 421, one second ' locked ' zone 422, a D profile shaft hole 423, a serrated surface 424, a plurality of locking column 425 with axle assembly 41.Axle assembly 41 passes D profile shaft hole 423 and switching wheel 42 is connected to each other with axle assembly 41, and switching wheel 42 is rotated synchronously with axle assembly 41, convenient user stirs switching wheel 42 to serrated surface 424 in order to a skin friction force to be provided, a plurality of locking columns 425 comprise one first locking column 4251, one second locking column 4252, one the 3rd locking column 4253 and one the 4th locking column 4254, first locking column 4251 and second locking column 4252 are in order to form first ' locked ' zone 421, second locking column 4252 and the 3rd locking column 4253 are then in order to form second ' locked ' zone 422, wherein the 3rd locking column 4253 has one first mark (not being shown among the figure), the 4th locking column 4254 has one second mark (not being shown among the figure), first mark in order to the mating surfaces 4411 that makes friction tube 44 in alignment with the housing mark 54 on the document feeder housing 5 be revealed in friction wheel module slot 51 outside.Second mark is then in order to be revealed in outside the friction wheel module slot 51 another mating surfaces of friction tube 44 in alignment with housing mark 54.
Block bar 43 is arranged in the accommodating structure 52, and block bar 43 has a restrictions 431, restrictions 431 stretches into first ' locked ' zone 421 or second ' locked ' zone 422 that switches wheel 42, restrictions 431 is subjected to the restriction of stop part 5311 and stops block bar 43 to carry out the rotation of one first hand of rotation C1 ', and wherein block bar 43 passes spacing hole 531 and is inserted into switching wheel 42.And friction tube 44 is sheathed on axle assembly 41, contacts with file when being used to file and entering automatic paper feeder and produces friction force.And friction tube 44 has a ground floor friction tube 441 and a second layer friction tube 442, ground floor friction tube 441 is covered in second layer friction tube 442, and ground floor friction tube 441 has a mating surfaces 4411 and another mating surfaces (not being shown among the figure), mating surfaces 4411 be revealed in friction wheel module slot 51 outside, as shown in Figure 8.And a plurality of locking columns 425 are replaced restrictions 431 and the rotation amplitude of wheel 42 is switched in restriction so that the mating surfaces 441 of friction tube 44 be revealed in friction wheel module slot 51 outside.The intraware of the friction wheel module 4 of this preferred embodiment is identical with first and second preferred embodiment haply, so the annexation of its intraware and case of motion are identical with above-mentioned first and second preferred embodiment and no longer add explanation.
According to above-mentioned each preferred embodiment as can be known, the friction tube of friction wheel of the present invention and friction wheel module has double-deck surface, has the function that shows the friction wheel wear intensity, be worn away the zone to point out the user to change, therefore but can improve existing friction wheel and whether still can't be judged the shortcoming of proper motion, and friction wheel is divided into a plurality of mating surfacess, and can in each paper feed process, only contact with file with a certain mating surfaces and the abrasion of friction wheel are concentrated on this a certain mating surfaces, so that the user monitors the abrasion situation of friction wheel.In addition, friction wheel module of the present invention has more the effect of convenient assembling and dismounting, with the friction tube that the user can more be renewed easily.
The above is preferred embodiment of the present invention only, is not in order to limiting claim of the present invention, and therefore all other do not break away from the equivalence of being finished under the disclosed spirit and change or modify, and all should be contained in the claim of the present invention.
Claims (16)
1. friction wheel, be applied to an automatic paper feeder, so that a friction force that is used for separating one first file and one second file to be provided, wherein this first file is positioned at this second file top, this friction wheel is arranged on the document feeder housing of this automatic paper feeder, and the accommodating structure that this document feeder housing has a friction race and is positioned at a side of this friction race, this friction wheel comprises:
One axle assembly is arranged in this friction race, in order to rotate with respect to this document feeder housing;
One switches wheel, is arranged at a side of this axle assembly and is connected in this axle assembly, and rotate synchronously with this axle assembly, and wherein this switching wheel has one first ' locked ' zone and one second ' locked ' zone;
One block bar, be arranged in this accommodating structure, and this block bar has a restrictions, and this restrictions stretches into this first ' locked ' zone or this second ' locked ' zone of this switching wheel, and this restrictions is subjected to the restriction of a stop part and stops this block bar to carry out the rotation of one first hand of rotation; And
One friction tube, a mating surfaces that is sheathed on this axle assembly and this friction tube is revealed in outside this friction race, contacts with this second file when this friction tube is used to this first file and this second file and enters this automatic paper feeder and produces this friction force; Wherein when this second file moved toward a paper feed direction, this block bar was subjected to the restriction of this stop part and limits this axle assembly and rotate toward this first hand of rotation, and this mating surfaces still is revealed in outside this friction race; And when this axle assembly rotates toward one second hand of rotation in contrast to this first hand of rotation, this block bar rotates toward this second hand of rotation owing to the rotation of this axle assembly, and this restrictions is moved in this second ' locked ' zone by this first ' locked ' zone, and another mating surfaces of this friction tube is revealed in outside this friction race.
2. friction wheel as claimed in claim 1, wherein this document feeder housing also comprises a spacing hole, this spacing hole is on the friction race sidewall between this accommodating structure and this friction race, wherein this stop part is spacing hole's sidewall of this spacing hole, carries out the rotation of this first hand of rotation in order to limit this block bar.
3. friction wheel as claimed in claim 1, wherein this friction tube also comprises a ground floor friction tube and a second layer friction tube, this ground floor friction tube is covered in this second layer friction tube, and this mating surfaces and this another mating surfaces are positioned on this ground floor friction tube.
4. friction wheel as claimed in claim 1, wherein this friction wheel also comprises a plurality of soft bodies, described a plurality of soft bodies are arranged on this axle assembly and with this friction tube and contact, in order to increase the area of contact of this second file and this friction tube.
5. friction wheel as claimed in claim 4, wherein each this soft body is a long strip type, and each soft body is made with sponge, soft rubber, EVA material or EPDM material.
6. friction wheel as claimed in claim 5, wherein this axle assembly also comprises a plurality of grooves, described a plurality of grooves are in order to take in described a plurality of soft body.
7. friction wheel as claimed in claim 1, wherein this switching wheel comprises:
One D profile shaft hole; Wherein this axle assembly passes this D profile shaft hole and this switching wheel is connected to each other with this axle assembly, and this switching wheel is rotated synchronously with this axle assembly;
One serrated surface, a convenient user stirs this switching wheel in order to a skin friction force to be provided; And
A plurality of locking columns are in order to form this first ' locked ' zone and this second ' locked ' zone and to replace this restrictions and limit the rotation amplitude of this switching wheel, so that this mating surfaces of this friction tube is revealed in outside this friction race.
8. friction wheel as claimed in claim 7, wherein these a plurality of locking columns comprise one first locking column, one second locking column, one the 3rd locking column and one the 4th locking column, this first locking column and this second locking column form this first ' locked ' zone, and this second locking column and the 3rd locking column form this second ' locked ' zone; Wherein the 3rd locking column has one first mark, in order in alignment with a housing mark of this document feeder housing this mating surfaces of this friction tube is revealed in outside this friction race; And the 4th locking column has one second mark, in order in alignment with this housing mark of this document feeder housing this another mating surfaces of this friction tube is revealed in outside this friction race.
9. friction wheel module, be applied to an automatic paper feeder, so that a friction force that is used for separating one first file and one second file to be provided, wherein this first file is positioned at this second file top, this friction wheel module is arranged on the document feeder housing of this automatic paper feeder, and the accommodating structure that this document feeder housing has a friction wheel module slot and is positioned at a side of this friction wheel module slot, this friction wheel module comprises:
One module housing is arranged in this friction wheel module slot;
One axle assembly is arranged in this module housing, in order to rotate with respect to this module housing;
One switches wheel, is arranged at a side of this axle assembly and is connected in this axle assembly, and rotate synchronously with this axle assembly, and wherein this switching wheel has one first ' locked ' zone and one second ' locked ' zone;
One block bar, be arranged in this accommodating structure, and this block bar has a restrictions, and this restrictions stretches into this first ' locked ' zone or this second ' locked ' zone of this switching wheel, and this restrictions is subjected to the restriction of a stop part and stops this block bar to carry out the rotation of one first hand of rotation; And
One friction tube, a mating surfaces that is sheathed on this axle assembly and this friction tube is revealed in outside this friction wheel module slot, contacts with this second file when this friction tube is used to this first file and this second file and enters this automatic paper feeder and produces this friction force; Wherein when this second file moved toward a paper feed direction, this block bar was subjected to the restriction of this stop part and limits this axle assembly and rotate toward this first hand of rotation, and this mating surfaces still is revealed in outside this friction wheel module slot; And when this axle assembly rotates toward one second hand of rotation in contrast to this first hand of rotation, this block bar rotates toward this second hand of rotation owing to the rotation of this axle assembly, and this restrictions is moved in this second ' locked ' zone by this first ' locked ' zone, and another mating surfaces of this friction tube is revealed in outside this friction wheel module slot.
10. friction wheel module as claimed in claim 9, wherein this document feeder housing also comprises a spacing hole, be positioned between this accommodating structure and this friction race on the one friction race sidewall, wherein this stop part is spacing hole's sidewall of this spacing hole, carries out the rotation of this first hand of rotation in order to limit this block bar.
11. friction wheel module as claimed in claim 9, wherein this friction tube also comprises a ground floor friction tube and a second layer friction tube, this ground floor friction tube is covered in this second layer friction tube, and this mating surfaces and this another mating surfaces are positioned on this ground floor friction tube.
12. friction wheel module as claimed in claim 9, wherein this friction wheel also comprises a plurality of soft bodies, and described a plurality of soft bodies are arranged on this axle assembly and with this friction tube and contact, in order to increase the area of contact of this second file and this friction tube.
13. friction wheel module as claimed in claim 12, wherein each this soft body is a long strip type, and each soft body is made with sponge, soft rubber, EVA material or EPDM material.
14. friction wheel module as claimed in claim 13, wherein this axle assembly also comprises a plurality of grooves, and described a plurality of grooves are in order to take in this a plurality of soft bodies.
15. friction wheel module as claimed in claim 9, wherein this switching wheel comprises:
One D profile shaft hole; Wherein this axle assembly passes this D profile shaft hole and this switching wheel is connected to each other with this axle assembly, and this switching wheel is rotated synchronously with this axle assembly;
One serrated surface, a convenient user stirs this switching wheel in order to a skin friction force to be provided; And
A plurality of locking columns are in order to form this first ' locked ' zone and this second ' locked ' zone and to replace this restrictions and limit the rotation amplitude of this switching wheel, so that this mating surfaces of this friction tube is revealed in outside this friction wheel module slot; Wherein one first locking column of these a plurality of locking columns has one first mark, in order in alignment with a housing mark of this document feeder housing this mating surfaces of this friction tube is revealed in outside this friction wheel module slot; And one second locking column of these a plurality of locking columns has one second mark, in order in alignment with this housing mark of this document feeder housing this another mating surfaces of this friction tube is revealed in outside this friction wheel module slot.
16. friction wheel module as claimed in claim 15, wherein these a plurality of locking columns comprise one first locking column, one second locking column, one the 3rd locking column and one the 4th locking column, this first locking column and this second locking column form this first ' locked ' zone, and this second locking column and the 3rd locking column form this second ' locked ' zone; Wherein the 3rd locking column has one first mark, in order in alignment with a housing mark of this document feeder housing this mating surfaces of this friction tube is revealed in outside this friction wheel module slot; And the 4th locking column has one second mark, in order in alignment with this housing mark of this document feeder housing this another mating surfaces of this friction tube is revealed in outside this friction wheel module slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010124200 CN102190165B (en) | 2010-03-01 | 2010-03-01 | Friction wheel and friction wheel module using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010124200 CN102190165B (en) | 2010-03-01 | 2010-03-01 | Friction wheel and friction wheel module using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102190165A true CN102190165A (en) | 2011-09-21 |
| CN102190165B CN102190165B (en) | 2013-09-04 |
Family
ID=44599225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010124200 Expired - Fee Related CN102190165B (en) | 2010-03-01 | 2010-03-01 | Friction wheel and friction wheel module using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102190165B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253004A (en) * | 2012-02-15 | 2013-08-21 | 致伸科技股份有限公司 | Thermal transfer printing device |
| CN114314020A (en) * | 2021-12-31 | 2022-04-12 | 合肥赛摩雄鹰自动化工程科技有限公司 | Automatic stacking device and marshalling box-driving pushing mechanism thereof |
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| JPH0262335A (en) * | 1988-08-26 | 1990-03-02 | Nec Corp | Sheet material feeding device |
| US5374048A (en) * | 1991-07-29 | 1994-12-20 | Riso Kagaku Corporation | Cylindrical press member with an outer surface having varying frictional characteristics |
| CN2446108Y (en) * | 2000-09-26 | 2001-09-05 | 虹光精密工业股份有限公司 | Replaceable friction wheel assembly of paper conveyer |
| CN1565954A (en) * | 2003-06-12 | 2005-01-19 | 虹光精密工业（苏州）有限公司 | Paper separating device for automatic paper feeder |
| CN1696032A (en) * | 2004-05-14 | 2005-11-16 | 兄弟工业株式会社 | Sheet feeder |
| US20050269762A1 (en) * | 2004-06-03 | 2005-12-08 | Koh Seng S | Sheet separator |
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2010
- 2010-03-01 CN CN 201010124200 patent/CN102190165B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0262335A (en) * | 1988-08-26 | 1990-03-02 | Nec Corp | Sheet material feeding device |
| US5374048A (en) * | 1991-07-29 | 1994-12-20 | Riso Kagaku Corporation | Cylindrical press member with an outer surface having varying frictional characteristics |
| CN2446108Y (en) * | 2000-09-26 | 2001-09-05 | 虹光精密工业股份有限公司 | Replaceable friction wheel assembly of paper conveyer |
| CN1565954A (en) * | 2003-06-12 | 2005-01-19 | 虹光精密工业（苏州）有限公司 | Paper separating device for automatic paper feeder |
| CN1696032A (en) * | 2004-05-14 | 2005-11-16 | 兄弟工业株式会社 | Sheet feeder |
| US20050269762A1 (en) * | 2004-06-03 | 2005-12-08 | Koh Seng S | Sheet separator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253004A (en) * | 2012-02-15 | 2013-08-21 | 致伸科技股份有限公司 | Thermal transfer printing device |
| CN114314020A (en) * | 2021-12-31 | 2022-04-12 | 合肥赛摩雄鹰自动化工程科技有限公司 | Automatic stacking device and marshalling box-driving pushing mechanism thereof |
| CN114314020B (en) * | 2021-12-31 | 2023-11-24 | 合肥赛摩雄鹰自动化工程科技有限公司 | Automatic stacking device and grouping and box-driving pushing mechanism thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102190165B (en) | 2013-09-04 |
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