CN102866609A - Photosensitive drum driving head and image forming device driving mechanism - Google Patents
Photosensitive drum driving head and image forming device driving mechanism Download PDFInfo
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- CN102866609A CN102866609A CN2012102325901A CN201210232590A CN102866609A CN 102866609 A CN102866609 A CN 102866609A CN 2012102325901 A CN2012102325901 A CN 2012102325901A CN 201210232590 A CN201210232590 A CN 201210232590A CN 102866609 A CN102866609 A CN 102866609A
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Abstract
The invention relates to a photosensitive drum driving head, which comprises a drum flange, a drum shaft and a boss, wherein the drum flange is arranged on an end part of a photosensitive drum and is connected with the photosensitive drum; the drum shaft axially extends out from the end part of the drum flange; the boss axially extends out from an end face of the drum shaft and is matched with a groove in an image forming device driving head; the side wall of the boss is provided with three straight convex teeth which radially extend along the boss and are matched with power transmission parts; the straight convex teeth are perpendicular to the drum shaft, extend along the axis of the photosensitive drum and are provided with engagement surfaces; the engagement surfaces are formed by longitudinally cutting corners from end faces of the straight convex teeth; and at least one engagement surface is engaged with an edge on a distorted oblique plane of the groove to transfer power. The technical problem of high requirement on accuracy of a distortion angle due to matching of the distorted boss and the distorted groove is solved.
Description
Technical field
The present invention relates to a kind of photosensitive drum driving head and image processing system driving mechanism.
Background technology
Conventional images forms on the device and is provided with motor, image processing system driving head and handle box, and handle box is removably mounted in the image processing system, is provided with photosensitive drums and the photosensitive drum driving head that is fixedly connected on the photosensitive drums end on the handle box; In the image processing system course of work, motor produces power, and cooperates transmission of power to handle box by image processing system driving head and photosensitive drum driving head, makes the photosensitive drums rotation on the handle box.
As shown in Figure 1, 2, an end of photosensitive drums 7 is provided with photosensitive drum driving head regularly, and this photosensitive drum driving head comprises convex coupling shaft 17, is provided with twisted shape boss 17a on this convex coupling shaft 17, and boss 17a comprises terminal part 17a1; The rotation center of convex coupling shaft 17 overlaps with the rotation center of photosensitive drums 7; Comprise twisted shape groove 18a on the spill coupling shaft 18, be provided with bottom surface 18a1 on the groove 18a.
In the image processing system course of work, the dynamic rotation that image processing system driving head 18 is accepted from motor, convex coupling shaft 17 and 18 engagements of image processing system driving head, rotary power passes to convex coupling shaft 17 by image processing system driving head 18, and finally makes photosensitive drums 7 rotations.When convex coupling shaft 17 meshes with image processing system driving head 18, in the twisted shape groove 18a on the twisted shape boss 17a insertion image processing system driving head 18 on the convex coupling shaft 17, terminal surface 17a1 and bottom surface 18a2 pass to convex coupling shaft 17 over against the engagement by distortion boss 17a and groove 18a of, the rotary power on the image processing system driving head 18.
Shown in Fig. 3,4, be respectively twisted shape boss 17a and the twisted shape groove 18a cross section view when not rotating and rotating; As seen from the figure, the cross section of twisted shape boss 17a and twisted shape groove 18a is triangle (such as equilateral triangle), and the size of triangle boss 17a is less than the size of triangular groove 18a.As shown in Figure 3, in boss 17a is inserted into groove 18a but when not rotating with groove 18a, the convex coupling shaft turning axle X1 on the photosensitive drums does not overlap with the turning axle X2 of image processing system driving head.As shown in Figure 4, when rotate when boss 17a and groove 18a engagement and with groove 18a, three drift angle 17a2 of triangle boss 17a mesh with upper leg-of-mutton three seamed edges of groove 18a, and go up transferring power to convex coupling shaft 17a from groove 18a; At this moment, the convex coupling shaft turning axle X1 on the photosensitive drums overlaps with the turning axle X2 of image processing system driving head, guarantees in the course of the work stable drive of twisted shape boss 17a and twisted shape groove 18a; Among the figure, R0 is the turning-circle diameter of three drift angle 17a2 of boss 17a, R1 is the inscribed circle diameter of triangular groove 18a, R2 is three drift angle turning-circle diameters of groove 18a, for realizing the transmission of power of convex coupling shaft 17a and image processing system driving head 18a, R0, R1, R2 need meet the following conditions: R1＜R0＜R2.
Be illustrated in figure 5 as the another kind of embodiment of prior art, twisted shape boss 17a and twisted shape groove 18a are quadrilateral (such as square) among this embodiment, quadrilateral boss 17a and quadrilateral groove 18a engagement, and transferring power.
The image processing system driving head can also adopt as shown in Figure 6 mode in the prior art, as shown in Figure 6, one end of image processing system driving head 28 is provided with twisted shape groove 28a, be provided with bottom surface 28a1 and boss 28a2 on the groove 28a, boss 28a2 is positioned at the center (rotation center of boss overlaps with the turning axle X2 of image processing system driving head) of distortion triangular groove 28a, its height is basic identical with the degree of depth of groove 28a, and described boss can be taper.
Conventional images forms on a kind of handle box that uses on the device and generally uses above-mentioned photosensitive drums with photosensitive drum driving head, at least comprise on the described handle box: be used to form electrostatic latent image, with the photosensitive drums of above-mentioned photosensitive drum driving head, with the developer of described developing electrostatic latent image with described developer is sent to the developer roll of photosensitive drums.Described handle box is installed to when using on the image processing system, by above-mentioned image processing system driving head receive from the image processing system from the rotary power of motor, make the rotation of described photosensitive drums and developer roll.
There is following shortcoming in this power transmission structure of prior art:
1. when twisted shape boss and twisted shape engagement, the distortion angle accuracy requirement of warp surface is higher on boss and the groove.When the warp surface on the boss and the warp surface on the groove produce distortion angle when inconsistent because of the manufacturing accuracy problem, warp surface on the boss just produces point-to-area the contact with warp surface on the groove, the warp surface of one of them will deform in the engagement process of boss and groove, thereby cause the convex coupling shaft turning axle X1 on the photosensitive drums not overlap with the turning axle X2 of image processing system driving head, affect the stationarity of transmission of power; For avoiding the problems referred to above, just require the warp surface manufacturing accuracy of boss and groove very high, increased like this manufacturing cost, bring simultaneously problems such as manufacturing difficulty.
2. the polygonal shape of boss and groove is difficult to processing, and the manufacturing accuracy of boss and groove is had relatively high expectations.Take equilateral triangle as example, the accuracy requirement of equilateral triangle boss and groove is higher, the precision of guarantee triangle center position, otherwise boss during with engagement the convex coupling shaft turning axle X1 on the photosensitive drums phenomenon will occur not overlap with the turning axle X2 of image processing system driving head, thereby cause transmission not steady; In addition, in the engagement process of boss and groove, therefore leg-of-mutton drift angle easily deforms because of stressed because wanting transferring power on the boss, and long-term work is vulnerable to wearing and tearing or destroys; And leg-of-mutton three drift angles in the course of the work, play simultaneously stressed rotation and supporting and location effect, therefore wearing and tearing or destroy after triangle with the engagement process of groove in, the phenomenon that easy generation center X1, X2 do not overlap, thereby affect the stationarity of transmission, therefore for guaranteeing precision and the stationarity of transmission, material hardness and the wearing quality of diabolo boss are had relatively high expectations; Same, the position that contacts on the seamed edge of triangular groove, with three drift angles of boss also is vulnerable to destroy or wearing and tearing in the course of the work, and hardness and the wearing quality of diabolo groove are had relatively high expectations equally.
Summary of the invention
The invention provides a kind of photosensitive drum driving head and image apparatus for converting driving mechanism, the high technical matters of distortion angle accuracy requirement that cooperates because twisted shape boss and twisted shape are recessed to solve existing photosensitive drum driving head.
In order to solve above technical matters, the technical scheme that the present invention takes is:
A kind of photosensitive drum driving head, cooperate transmission of drive force with the image processing system driving head, described image processing system driving head comprises: the twisted shape groove with triangular cross section, be arranged on the interior power transmissioning part of three drift angles of described twisted shape groove, power transmissioning part comprises the distortion inclined-plane, the top on described distortion inclined-plane comprises the seamed edge with described photosensitive drum driving head engagement, it is characterized in that, described photosensitive drum driving head comprises: be arranged on that the photosensitive drums end is connected with photosensitive drums bulging flange, the bulging axle that axially stretches out from rousing flange end, the boss that cooperates with image processing system driving head upper groove that axially stretches out from described bulging axial end, be provided with that radially extend along boss and three straight double wedges described power transmissioning part coupling on the sidewall of described boss, described straight double wedge extends perpendicular to described bulging axle and the direction of prolonging described photosensitive drums axis, be provided with the field of conjugate action on the described straight double wedge, the described field of conjugate action is to be formed by the vertical corner cut of the end face of described straight double wedge, wherein has the seamed edge engagement transferring power on a described field of conjugate action and the described groove distortion inclined-plane at least.
Described straight double wedge also comprises: the first side and the second side; Described the first side is parallel to each other with described the second side and is vertical with the end face of described bulging axle.
Described straight double wedge also comprises: the first side and the second side; The end face of the described bulging axle in described the first side is vertical, and described the second side is for being obliquely installed, and the root direction to described straight double wedge increases the width of described straight double wedge gradually along the end of described straight double wedge.
After having adopted technique scheme, photosensitive drum driving head is arranged to straight as the double wedge of power transmissioning part, solved the high technical matters of distortion angle accuracy requirement that existing photosensitive drum driving head cooperates because twisted shape boss and twisted shape are recessed.
Description of drawings
Fig. 1 is with the photosensitive drums schematic perspective view of photosensitive drum driving head in the prior art.
Fig. 2 is the schematic perspective view of prior art camber coupling shaft and spill coupling shaft.
Fig. 3 is prior art twisted shape projection and the twisted shape groove cross section view when not rotating.
Cross section view when Fig. 4 is prior art twisted shape projection and the rotation of twisted shape groove.
Fig. 5 is the quadrilateral that is shaped as of the another kind of projection of prior art and groove.
Fig. 6 is the schematic diagram that the center of prior art further groove is provided with boss.
Fig. 7 is the schematic perspective view of image processing system driving head.
Fig. 8 is the vertical view of image processing system driving head.
Fig. 9 is the schematic perspective view of the photosensitive drum driving head that adopts of embodiment one.
Figure 10 is the force analysis schematic diagram of the photosensitive drum driving head that adopts of embodiment one and the assembling of image processing system driving head.
Figure 11 is the stereographic map of the photosensitive drum driving head that adopts of embodiment two.
Figure 12 is the front elevation of the photosensitive drum driving head that adopts of embodiment two.
Figure 13 is photosensitive drum driving head and the image processing system driving head assembling plan view that embodiment two adopts.
Figure 14 is photosensitive drum driving head and the image processing system driving head assembling schematic diagram that embodiment two adopts.
Figure 15 is the cross section force analysis schematic diagram after the image processing system driving head that adopts of embodiment two and the photosensitive drum driving head engagement.
Figure 16 is the schematic perspective view of the photosensitive drum driving head that adopts of embodiment three.
Figure 17 is the schematic perspective view of the photosensitive drum driving head that adopts of embodiment four.
Figure 18 is the partial enlarged drawing of boss of the present invention.
Figure 19 is that Figure 18 is along the front elevation of B direction.
Figure 20 is the vertical view of boss of the present invention.
Figure 21 is the schematic perspective view of the photosensitive drum driving head that adopts of embodiment five.
Figure 22 is the vertical view of the photosensitive drum driving head that adopts of embodiment five.
Be the photosensitive drum driving head that adopts of embodiment five and the assembling plan view of image processing system driving head such as Figure 23.
The right view of the photosensitive drum driving head that Figure 24 (a) adopts for embodiment five and the assembling of image processing system driving head.
Figure 24 (b) is that Figure 24 (a) is along the sectional view of C direction.
Figure 25 is that Figure 23 is along the sectional view of A direction.
Figure 26 is that Figure 23 is along the sectional view of B direction.
Figure 27 is the photosensitive drum driving head part-structure schematic perspective view that adopts double wedge end face location among the embodiment five.
Figure 28 is the schematic perspective view of the photosensitive drum driving head that adopts of embodiment six.
Figure 29 is the right view of Figure 28.
Figure 30 is the photosensitive drum driving head part-structure schematic perspective view that adopts double wedge end face location among the embodiment six.
Figure 31 is the schematic diagram that adopts cambered surface to connect between straight double wedge among the embodiment six.
Figure 32 is the photosensitive drum driving head part-structure schematic perspective view that is provided with the anti-delinking part among the embodiment six.
Figure 33 is provided with the photosensitive drum driving head of anti-delinking part and the cut-away view after the engagement of image processing system driving head among the embodiment six.
Embodiment
Embodiment one
Fig. 7 and Fig. 8 are respectively schematic perspective view and the vertical view of image processing system driving head, known by figure, image processing system driving head 20 comprises: have the groove 11 of equilateral triangle xsect, be arranged on leg-of-mutton three drift angles and have twist structured power transmissioning part 11a and the limiting section 11b that is positioned at position, Atria limit; Power transmissioning part 11a comprises distortion inclined-plane 11a1 and imports inclined-plane 11a2.By vertical view shown in Figure 7 as can be known, distortion inclined-plane 11a1 is sightless, and the angle of distortion inclined-plane 11a1 and groove floor is less than 90 °, and the top of distortion inclined-plane 11a1 comprises seamed edge 11a3; It is visible importing inclined-plane 11a2, imports the angle of inclined-plane 11a2 and groove floor greater than 90 °.The image processing system driving head is connected transferring power with motor in the image processing system.
Described image processing system driving head 20 is identical with the image processing system driving head of prior art.
Fig. 9 is the schematic perspective view of the photosensitive drum driving head that adopts of embodiment one, known by figure, photosensitive drum driving head comprises: be arranged on the bulging flange 2 that photosensitive drums 1 end is connected with photosensitive drums 1, the driving force that drum flange 2 is used for receiving passes to photosensitive drums 1, from drum flange 2 end axis to the bulging axle 3 that stretches out, drum axle 3 is used for rotatably supporting photosensitive drums 1 in the handle box course of work, stretch out from drum axle 3 end face axial, be used for receiving from image processing system driving head 20 boss 4 of driving force, be provided with the first double wedge 5a that radially extends along boss 4 on the sidewall 4b of boss 4, wherein the first double wedge 5a is arranged on the boss sidewall 4b obliquely.
In the driving force transmittance process, be positioned at the first double wedge 5a and arbitrary power transmissioning part 11a engagement transferring power on the photosensitive drum driving head boss 4, the limiting section 11b of the boss sidewall 4b of photosensitive drum driving head and image processing system driving head groove is at three point of contact P1, the tangent engagement of P2 and P3 place, thus realize the center superposition centering between the photosensitive drum driving head and image processing system driving head 20 in the driving force transmittance process.
Figure 10 is the force analysis schematic diagram of photosensitive drum driving head and the assembling of image processing system driving head, " A " is the sense of rotation of image processing system driving head, the image processing system driving head is F11 to the power that the first double wedge 5a produces, F11 is decomposed into normal force F12 and radial force F14, F15 is the power that the image processing system driving head produces at point of contact P1 place, F13 is the power that the image processing system driving head produces at point of contact P2 place, and the P3 place does not stress, and to sum up can get following force analysis formula:
Obtain F13=2F14,
Be that image processing system driving head or photosensitive drum driving head are subject at the P1 place
The power of size is subject to the power of 2F14 size at the P2 place.
Because in the process of photosensitive drum driving head and image processing system driving head engagement transmission power, there are each other wearing and tearing, in this programme photosensitive drum driving head is arranged on the diverse location place as the double wedge of power transmissioning part and the boss face of cylinder as the location division, exert all one's strength propagation function and positioning function can not be affected each other because of wearing and tearing.
Embodiment two
Such as Figure 11 and shown in Figure 12, be respectively stereographic map and the front elevation of the photosensitive drum driving head that the present embodiment adopts, Figure 13 is photosensitive drum driving head and the image processing system driving head assembling plan view that the present embodiment adopts, image processing system driving head described in the present embodiment adopts the image processing system driving head of mentioning among the embodiment one, no longer is repeated in this description.Known by figure, photosensitive drum driving head comprises: the bulging flange 2 that is fixedly connected on photosensitive drums 1 end, from drum flange 2 end axis to the bulging axle 3 that extends, is used for rotatably supporting in the handle box course of work photosensitive drums 1, stretch out, be used for receiving from image processing system driving head 20 cylindrical boss 4 of driving force from drum axle 3 end face axial, be provided with a pair of double wedge 4a that radially extends and cooperate with any two power transmissioning parts in the image processing system driving head along cylindrical boss 4 on the sidewall 4b of cylindrical boss 4; Double wedge 4a is arranged on the cylindrical boss 4 sidewall 4b obliquely, is provided with field of conjugate action 4a1 on the double wedge 4a, and the area of field of conjugate action 4a1 is 5-20mm
2Between, with 7-16mm
2Be the best, field of conjugate action 4a1 meshed transferring power with power transmissioning part inwall in the image processing system driving head when power was transmitted, and can reduce wearing and tearing between described photosensitive drum driving head and image processing system driving head by field of conjugate action 4a1 is set at double wedge 4a; Angle β between the rotation of double wedge 4a and photosensitive drum driving head is chosen as between 3-40 °, take 25-30 ° as best, guarantee to prevent that also photosensitive drum driving head is deviate from power transmission process, makes transferring power stable between image processing system driving head and photosensitive drum driving head when photosensitive drum driving head and image processing system driving head can successfully mesh from the image processing system driving head; The length that double wedge 4a radially goes up from sidewall 4b is L1, and the scope of L1 is between the 2-5mm, and is best with 2.3-3.3mm, guarantees that photosensitive drum driving head has enough moment transferring power; Minimum angle α standard angle between two double wedge 4a is 120 °, the angle high limit of tolerance generally will be in 2 °, this programme barrel shaped tooth 4a can allow the manufacturing accuracy error of θ size, the scope of θ is between 2 °-10 °, with 2-4 ° of the best, if θ is angular error, then the minimum angle α size between two double wedge 4a becomes α+θ, this moment, two double wedge 4a can be not simultaneously and the power transmissioning part 11a engagement of groove 11, the double wedge that is positioned at the upstream of sense of rotation first with the image processing system driving head on the power transmissioning part engagement, play buffer action, if double wedge 4a has the foozle size of θ angle size along the sense of rotation downstream, θ can make double wedge produce the field of conjugate action of a gradual change, in the power transmissioning part 11a of double wedge 4a and groove engagement process, for double wedge 4a plays buffer action, can reduce the damage between image processing system driving head and photosensitive drum driving head; Be positioned at two boss faces of cylinder between double wedge 4a and contact the location of realizing photosensitive drum driving head with the limiting section 11b of image processing system driving head.Fillet also is set in double wedge 4a and junction, the boss face of cylinder to be concentrated to reduce stress.And the bulging flange 3 in the above-mentioned photosensitive drum driving head, drum axle 3, cylindrical boss 4 and double wedge 4a can be the moulding of same material integral production, also can have buffer structure, drum can also be provided with the drum gear 2a that driving force is passed to other elements (such as developing element etc.) on the flange 2.
Figure 14 is photosensitive drum driving head and image processing system driving head assembling schematic diagram, Figure 15 is the cross section force analysis schematic diagram after image processing system driving head and the photosensitive drum driving head engagement, known by figure, the limiting section 11b of photosensitive drum driving head and image processing system driving head groove is at three point of contact P4, the tangent engagement of P5 and P6 place, " A " is the sense of rotation of image processing system driving head, the image processing system driving head produces size identical power F24 and F56 to photosensitive drum driving head, be in the situation of embodiment one moment of torsion twice at the moment of torsion that photosensitive drum driving head bears, F24 and F56 are the identical power of size with F11 among the embodiment one, F24 is decomposed into normal force F2 and radial force F4, F56 is decomposed into normal force F5 and radial force F6, F2 and F5 are identical with F12 size among the embodiment one, F4 is identical with F14 size of the prior art with F6, suppose that F1 is the power that the image processing system driving head produces at point of contact P5 place, F3 is the power that the image processing system driving head produces at point of contact P6 place, P4 does not stress, and to sum up can get following force analysis formula:
Obtain F1=2F4 and F3=0, be image processing system driving head and photosensitive drum driving head are subject to the 2F4 size at the P5 place power, stressed at the P6 place is 0, reduce with respect to embodiment one this programme stress point, image processing system driving head and photosensitive drum driving head have been reduced in the wearing and tearing at point of contact P5 and P6 place, the position stability of photosensitive drum driving head is improved, thereby make the transmission of driving force more steady.
A kind of image apparatus for converting driving mechanism, comprise the photosensitive drum driving head described in above-described embodiment and the image processing system driving head 20 described in the background technology, be that image processing system driving head 20 comprises: have the groove 11 of equilateral triangle xsect, be arranged on leg-of-mutton three drift angles and have twist structured power transmissioning part 11a and the limiting section 11b that is positioned at position, Atria limit.The image processing system driving head is connected transferring power with motor in the image processing system.
Embodiment three
Those of ordinary skill in the art is easy to just can expect, in two double wedges, one is set to helical teeth, another is straight-tooth, also can reach same technique effect, Figure 16 is the schematic perspective view of the photosensitive drum driving head that adopts of the present embodiment, is known by figure, helical teeth 4a is arranged on the sidewall 4b of boss obliquely, and straight-tooth 4c vertically is arranged on the sidewall 4b.
Embodiment four
When the rotating speed of image processing system hangs down, the torque of image processing system driving head is less, two double wedges of photosensitive drum driving head can all be arranged to straight-tooth, the schematic perspective view of the photosensitive drum driving head that adopts for the present embodiment as shown in figure 17,4c is the double wedge of photosensitive drum driving head, and the manufacturing accuracy of photosensitive drum driving head further reduces.
Among the present invention, the upper setting of the double wedge 4a in above-described embodiment also has field of conjugate action 4a1, and the area of field of conjugate action 4a1 is 5-20mm
2Between, with 7-16mm
2Be the best, field of conjugate action 4a1 meshed transferring power with power transmissioning part inwall in the image processing system driving head when power was transmitted, and can reduce wearing and tearing between described photosensitive drum driving head and image processing system driving head by field of conjugate action 4a1 is set at double wedge 4a; Described double wedge also comprises: drift angle 4a4, and two plane 4a2 and 4a3 that are parallel to each other that link to each other with described double wedge sidewall, and the angle between plane 4a2 and 4a3 and photosensitive drums axis is β; The described field of conjugate action also comprises: straight flange s1, s2 and hypotenuse s3; Described straight flange s1 is parallel with straight flange s2, the angle between hypotenuse s3 and photosensitive drums axis
Between 5-50 °, as best, straight flange s1 and photosensitive drum driving head center are between 0-90 ° to the angle γ between the line of the drift angle 4a4 of double wedge between 10-40 °, take 25-45 ° as the best, shown in Figure 18-20, " B " direction shown in Figure 18 is parallel with the radially bearing of trend of boss.
Those of ordinary skills are from the present invention, be easy to just can expect, also double wedge can be arranged to symmetrical three, this three double wedges or all be set to the double wedge that tilts or all be set to vertical double wedge or double wedge that one of them is set to tilt, two other is set to vertical double wedge or one of them is set to vertical double wedge, the double wedge that two other is set to tilt; Also can reach identical technique effect.The double wedge of described inclination refers to that described vertical double wedge refers on the vertical sidewall that is arranged on boss of described double wedge on the sidewall that is arranged on boss of described double wedge inclination.
Those of ordinary skills are easy to just can expect from the present invention, and the sidewall of described boss and the described boss face of cylinder are same parts.
Embodiment five
Identical in the image processing system driving head that adopts in the present embodiment and above-described embodiment.
Schematic perspective view and the vertical view of this photosensitive drum driving head that adopts for the present embodiment of Figure 21 and Figure 22, photosensitive drum driving head comprises: the bulging flange 200 that is fixedly connected on photosensitive drums 1 end, from drum flange 200 end axis to extending, be used for rotatably supporting in the handle box course of work the bulging axle 300 of photosensitive drums 1, stretch out from drum axle 300 end face axial, be used for receiving from image processing system driving head 20 cylindrical boss 400 of driving force, be provided with along cylindrical boss 400 on the sidewall 400a of cylindrical boss 400 and radially extend, and three straight double wedges 500 that cooperate with the power transmissioning part 11a of image processing system driving head, angle between described straight double wedge 500 and photosensitive drums axis is 0 degree, cylindrical boss 400 along the length of extending on the photosensitive drums axial direction greater than straight double wedge 500 along the length of extending on the photosensitive drums axial direction.
Be the assembling plan view of photosensitive drum driving head and image processing system driving head such as Figure 23, Figure 24 (a) is the right view of photosensitive drum driving head and the assembling of image processing system driving head, Figure 24 (b) be Figure 24 (a) along the sectional view of C direction, Figure 25 and Figure 26 are respectively Figure 23 along the sectional view of A and B direction.Known by figure, described straight double wedge 500 comprises: field of conjugate action 500a, the first side 500b1 and the second side 500b2; The first side 500b1 be parallel to each other with the second side 500b2 and with the drum axle 300 end face vertical, and with the photosensitive drum shaft line parallel; Field of conjugate action 500a with the drum axle 300 end face vertical and with the photosensitive drum shaft line parallel, distortion inclined-plane 11a1(Fig. 7-8 in mis-cut angle γ between field of conjugate action 500a and the first side 500b1 and the groove 11) gradient is complementary, contact area when increasing field of conjugate action 500a with distortion inclined-plane 11a1 engagement transferring power, mis-cut angle γ is between 0-90 °, take 20-45 ° as best, shown in Figure 21-22.Straight double wedge 500 is during with image processing system driving head 20 engagement transferring power, seamed edge 11a3(Fig. 7-8 of the root of straight double wedge 500 and distortion inclined-plane 11a1) engagement, i.e. line on the field of conjugate action 500a and seamed edge 11a3(Fig. 7-8) mesh transferring power; The area of described field of conjugate action 500a is 2-20mm
2, with 3-10mm
2Be the best, such as Figure 23-26.For boss 400 more easily is inserted in the groove 11, boss 400 is arranged to taper, and namely circle outside diameter d 1 in the cross section of boss end is less than the cross section circle outside diameter d 2 of boss root, such as Figure 25.Such as Figure 26, because the inner structure of image processing system driving head 20 is reversed in a certain direction, distortion inclined-plane 11a1 in the groove 11 and importing inclined-plane 11a2(Fig. 7-8) tilt, so double wedge 500 inserts the size of the width W in the groove and the size of height L is inversely proportional to, be that width is larger, highly less; The width W of double wedge 500 is directly proportional with its intensity, and namely width is larger, and intensity is stronger, and is highly less, and double wedge is easier to be deviate from from groove; The scope of height L is 1.0-8.0mm, and take 2.0-4.0mm as best, the scope of width W is 1.0-5.0mm, take 1.5-4.0mm as best, to reach the requirement of strength when both satisfying transferring power, guarantees that again double wedge 500 is difficult for deviating from from groove.
In the present embodiment, as shown in figure 25, photosensitive drum driving head and the axial location of image processing system driving head can be that the end face of boss 400 contacts with the bottom surface of groove 11 and carries out axial location, also can be the importing inclined-plane 11a2(Fig. 7-8 in end face and the groove 11 of double wedge 500) contact and carry out axial location, Figure 27 is for adopting the photosensitive drum driving head part-structure schematic perspective view of double wedge end face location, known by figure, cylindrical boss 400 along the length of extending on the photosensitive drums axial direction less than straight double wedge 500 along the length of extending on the photosensitive drums axial direction.
The described field of conjugate action is to be formed by the vertical corner cut of the end face of described straight double wedge, and the longitudinal direction of described straight double wedge is parallel with the axis direction of described photosensitive drums.
The root of described straight double wedge is the part that described straight double wedge is connected with described bulging shaft end.
Embodiment six
Figure 28 is the schematic perspective view of the photosensitive drum driving head that adopts of the present embodiment, Figure 29 is the right view of Figure 28, known by figure, the difference of the photosensitive drum driving head among the photosensitive drum driving head that the present embodiment adopts and the embodiment five is that the second side 500b2 of straight double wedge is a progressive inclined-plane of being arranged to along the end 500b3 of described straight double wedge to the root direction of described straight double wedge, and other structures are all identical; Angle between the second side 500b2 and the first side 500b1 is ω, and the scope of ω is between 3-45 °, take 20-30 ° as best.In embodiment five, because the width W that double wedge 500 inserts in the groove 11 is inversely proportional to height L, namely have following technical matters: width W is larger, and double wedge intensity is stronger, and L is less for height, and double wedge is easier to be deviate from from groove; Otherwise width W is less, and double wedge intensity is less, and L is larger for height, and double wedge more is not easy to deviate from from groove; Again because the seamed edge 11a3 engagement transferring power (shown in Figure 26) of the distortion inclined-plane 11a1 in the root of straight double wedge 500 and the groove 11, just the requirement of strength to the root position of straight double wedge 500 is higher for this, the structure of the second side 500b2 in the present embodiment just in time can address the above problem, reason is as follows: because the second side 500b2 be one along the end of described straight double wedge the progressive inclined-plane to the root direction of described straight double wedge, be that the end width of straight double wedge 500 is less than the root width, the end width that reduces straight double wedge 500 can increase the height that described straight double wedge inserts groove 11, and double wedge is not easy to deviate from from groove; Increase the root width and can increase the intensity of root, insert under the medium-altitude condition of described groove thereby make satisfying described straight double wedge, increased again the intensity of described straight double wedge root.
In the present embodiment, photosensitive drum driving head and the axial location of image processing system driving head can be that the end face of boss 400 contacts with the bottom surface of groove 11 and carries out axial location, also can be that the bottom surface (Fig. 7-8) of end face 500b3 with the groove 11 of double wedge 500 contacts and carries out axial location, as shown in figure 30, Figure 30 is for adopting the photosensitive drum driving head part-structure schematic perspective view of double wedge end face location, known by figure, cylindrical boss 400 along the length of extending on the photosensitive drums axial direction less than straight double wedge 500 along the length of extending on the photosensitive drums axial direction.Figure 31 is the schematic diagram that adopts cambered surface to connect between straight double wedge, known by figure, the end face of the boss 400 between the straight double wedge 500 is to the cambered surface of drum direction of principal axis depression, namely adopt cambered surface to connect between 3 straight double wedges 500, the stress that can reduce described boss and described straight double wedge junction is concentrated, to reach the phenomenon of described boss and described straight double wedge junction fracture when preventing that described straight double wedge is stressed.
Figure 32 and Figure 33 are respectively the photosensitive drum driving head part-structure schematic perspective view that is provided with the anti-delinking part and are provided with the photosensitive drum driving head of anti-delinking part and the cut-away view after the engagement of image processing system driving head, once solve the problem that described straight double wedge is easily deviate from for advancing from described groove, position at the close described straight double wedge end face of field of conjugate action 500a arranges anti-delinking part 500a2, known by figure, anti-delinking part 500a2 stretches out perpendicular to field of conjugate action 500a, and anti-delinking part 500a2 is outward extending arcuation body or hemispherical body from the top of field of conjugate action 500a.When described photosensitive drum driving head and described image processing system driving head engagement transferring power, anti-delinking part 500a2 can with groove 11 in distortion inclined-plane 11a1 engagement, if described photosensitive drum driving head in axial direction has the trend of deviating from, anti-delinking part 500a2 can with groove 11 in the butt of distortion inclined-plane 11a1, make photosensitive drum driving head and image processing system driving head produce the pulling force of axial direction, prevent that photosensitive drum driving head from deviating from from described image processing system driving head.
Claims (6)
1. photosensitive drum driving head, cooperate transmission of drive force with the image processing system driving head, described image processing system driving head comprises twisted shape groove and power transmissioning part, power transmissioning part comprises the distortion inclined-plane, described distortion inclined-plane comprises the seamed edge with described photosensitive drum driving head engagement, it is characterized in that, described photosensitive drum driving head comprises: be arranged on that the photosensitive drums end is connected with photosensitive drums bulging flange, the bulging axle that axially stretches out from rousing flange end, from described bulging axial end that axially stretch out with boss described twisted shape groove fit, be provided with that radially extend along boss and three straight double wedges described power transmissioning part coupling on the sidewall of described boss.
2. photosensitive drum driving head as claimed in claim 1 is characterized in that, described straight double wedge extends perpendicular to described bulging axle and the direction of prolonging described photosensitive drums axis.
3. photosensitive drum driving head as claimed in claim 2, it is characterized in that, be provided with the field of conjugate action on the described straight double wedge, the described field of conjugate action is to be formed by the vertical corner cut of the end face of described straight double wedge, wherein has the seamed edge engagement transferring power on a described field of conjugate action and the described groove distortion inclined-plane at least.
4. photosensitive drum driving head as claimed in claim 2 is characterized in that, the seamed edge engagement transferring power on the root of described straight double wedge and the described groove distortion inclined-plane.
5. photosensitive drum driving head as claimed in claim 2 is characterized in that, described straight double wedge also comprises: the first side and the second side; Described the first side is parallel to each other with described the second side and is vertical with the end face of described bulging axle.
6. photosensitive drum driving head as claimed in claim 2 is characterized in that, described straight double wedge also comprises: the first side and the second side; The end face of the described bulging axle in described the first side is vertical, and described the second side is for being obliquely installed, and the root direction to described straight double wedge increases the width of described straight double wedge gradually along the end of described straight double wedge.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210232590.1A CN102866609B (en) | 2011-07-05 | 2012-07-05 | Photosensitive drum driving head and image forming device driving mechanism |
| EP12868927.0A EP2703893B1 (en) | 2012-07-05 | 2012-12-13 | Photosensitive drum driving head and image forming device driving mechanism |
| AU2012382294A AU2012382294B2 (en) | 2012-07-05 | 2012-12-13 | Photosensitive drum driving head and driving mechanism of image forming apparatus |
| CA2839969A CA2839969C (en) | 2012-07-05 | 2012-12-13 | Photosensitive drum driving head and driving mechanism of image forming apparatus |
| PCT/CN2012/086505 WO2014005403A1 (en) | 2012-07-05 | 2012-12-13 | Photosensitive drum driving head and image forming device driving mechanism |
| RU2015103674A RU2599597C9 (en) | 2012-07-05 | 2012-12-13 | Driven head of photosensitive drum and drive of imaging device |
| JP2015518787A JP5935023B2 (en) | 2012-07-05 | 2012-12-13 | Photosensitive drum drive head and drive mechanism of image forming apparatus |
| ARP130102409A AR099246A1 (en) | 2011-07-05 | 2013-07-05 | PHOTOSENSIBLE DRUM DRIVING HEAD AND IMAGE FORMATION DRIVING MECHANISM |
| US13/972,739 US8886087B2 (en) | 2012-07-05 | 2013-08-21 | Photosensitive drum driving head and driving mechanism of image forming apparatus |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110186826.8 | 2011-05-07 | ||
| CN201110186826 | 2011-07-05 | ||
| CN201210232590.1A CN102866609B (en) | 2011-07-05 | 2012-07-05 | Photosensitive drum driving head and image forming device driving mechanism |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310173971.1A Division CN103226305B (en) | 2011-07-05 | 2012-07-05 | Photosensitive drum driving head and image forming device driving mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102866609A true CN102866609A (en) | 2013-01-09 |
| CN102866609B CN102866609B (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210232587.XA Expired - Fee Related CN102866608B (en) | 2011-07-05 | 2012-07-05 | A kind of photosensitive drum driving head and image processing system driving mechanism |
| CN 201220324405 Expired - Lifetime CN202710924U (en) | 2011-07-05 | 2012-07-05 | Photosensitive drum driving head and image forming device driving mechanism |
| CN201210232590.1A Active CN102866609B (en) | 2011-07-05 | 2012-07-05 | Photosensitive drum driving head and image forming device driving mechanism |
| CN 201220325068 Expired - Lifetime CN202677063U (en) | 2011-07-05 | 2012-07-05 | Photosensitive drum drive head and imaging device drive mechanism |
| CN201310173971.1A Expired - Fee Related CN103226305B (en) | 2011-07-05 | 2012-07-05 | Photosensitive drum driving head and image forming device driving mechanism |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210232587.XA Expired - Fee Related CN102866608B (en) | 2011-07-05 | 2012-07-05 | A kind of photosensitive drum driving head and image processing system driving mechanism |
| CN 201220324405 Expired - Lifetime CN202710924U (en) | 2011-07-05 | 2012-07-05 | Photosensitive drum driving head and image forming device driving mechanism |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220325068 Expired - Lifetime CN202677063U (en) | 2011-07-05 | 2012-07-05 | Photosensitive drum drive head and imaging device drive mechanism |
| CN201310173971.1A Expired - Fee Related CN103226305B (en) | 2011-07-05 | 2012-07-05 | Photosensitive drum driving head and image forming device driving mechanism |
Country Status (2)
| Country | Link |
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| CN (5) | CN102866608B (en) |
| AR (1) | AR099246A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014005403A1 (en) * | 2012-07-05 | 2014-01-09 | 珠海赛纳打印科技股份有限公司 | Photosensitive drum driving head and image forming device driving mechanism |
| US8886087B2 (en) | 2012-07-05 | 2014-11-11 | Zhuhai Seine Technology Co., Ltd. | Photosensitive drum driving head and driving mechanism of image forming apparatus |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6504449B2 (en) * | 2014-08-27 | 2019-04-24 | 株式会社リコー | Drive transmission device and image forming apparatus |
| CN105972103A (en) * | 2016-06-14 | 2016-09-28 | 昆山格兰德机器人科技有限公司 | Shaft hole coupler |
| CN108343641A (en) * | 2017-01-25 | 2018-07-31 | 珠海格力电器股份有限公司 | A kind of Quick Release bindiny mechanism and its air-conditioning of impeller and fan electromotor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003186348A (en) * | 2001-12-21 | 2003-07-04 | Canon Inc | Image forming apparatus and process cartridge |
| CN201110946Y (en) * | 2007-08-23 | 2008-09-03 | 珠海天威技术开发有限公司 | Imaging processing box for laser printer |
| US20090074453A1 (en) * | 1995-03-27 | 2009-03-19 | Canon Kabushiki Kaisha | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3926597A (en) * | 1996-09-26 | 1998-04-02 | Canon Kabushiki Kaisha | Process cartridge, electrophotographic image forming apparatus driving force transmission part and electrophotographic photosensitive drum |
| JP3796364B2 (en) * | 1999-01-27 | 2006-07-12 | キヤノン株式会社 | Electrophotographic image forming apparatus |
| JP2002040875A (en) * | 2000-07-24 | 2002-02-06 | Canon Inc | Process cartridge |
| CN200965623Y (en) * | 2006-10-16 | 2007-10-24 | 特科技股份有限公司乌龙驹 | Laser printer drum drive structure |
| CN201054078Y (en) * | 2007-07-02 | 2008-04-30 | 珠海天威技术开发有限公司 | Imaging processing box for laser printer |
| CN201097112Y (en) * | 2007-08-29 | 2008-08-06 | 珠海天威技术开发有限公司 | Sensitiation drum and processing box |
| CN201174031Y (en) * | 2008-03-19 | 2008-12-31 | 珠海天威技术开发有限公司 | Driving force transmission member and processing box |
| CN201945801U (en) * | 2010-10-29 | 2011-08-24 | 珠海赛纳打印科技股份有限公司 | Power transmission mechanism and processing box including same |
| CN201965403U (en) * | 2010-11-09 | 2011-09-07 | 珠海赛纳打印科技股份有限公司 | Photosensitive drum driving head of driving force transmission mechanism for image forming device |
| CN102540794B (en) * | 2010-12-11 | 2016-03-09 | 珠海艾派克科技股份有限公司 | The driving force transmission mechanism of image processing system and handle box |
| CN201897693U (en) * | 2010-12-11 | 2011-07-13 | 珠海赛纳打印科技股份有限公司 | Driving force transmission mechanism and processing box of image forming device |
| CN102087494B (en) * | 2011-01-14 | 2012-12-26 | 珠海天威飞马打印耗材有限公司 | Photosensitive drum drive assembly, photosensitive drum and processing cartridge |
-
2012
- 2012-07-05 CN CN201210232587.XA patent/CN102866608B/en not_active Expired - Fee Related
- 2012-07-05 CN CN 201220324405 patent/CN202710924U/en not_active Expired - Lifetime
- 2012-07-05 CN CN201210232590.1A patent/CN102866609B/en active Active
- 2012-07-05 CN CN 201220325068 patent/CN202677063U/en not_active Expired - Lifetime
- 2012-07-05 CN CN201310173971.1A patent/CN103226305B/en not_active Expired - Fee Related
-
2013
- 2013-07-05 AR ARP130102409A patent/AR099246A1/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090074453A1 (en) * | 1995-03-27 | 2009-03-19 | Canon Kabushiki Kaisha | Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus |
| JP2003186348A (en) * | 2001-12-21 | 2003-07-04 | Canon Inc | Image forming apparatus and process cartridge |
| CN201110946Y (en) * | 2007-08-23 | 2008-09-03 | 珠海天威技术开发有限公司 | Imaging processing box for laser printer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014005403A1 (en) * | 2012-07-05 | 2014-01-09 | 珠海赛纳打印科技股份有限公司 | Photosensitive drum driving head and image forming device driving mechanism |
| US8886087B2 (en) | 2012-07-05 | 2014-11-11 | Zhuhai Seine Technology Co., Ltd. | Photosensitive drum driving head and driving mechanism of image forming apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| AR099246A1 (en) | 2016-07-13 |
| CN103226305A (en) | 2013-07-31 |
| CN102866609B (en) | 2014-06-25 |
| CN102866608A (en) | 2013-01-09 |
| CN103226305B (en) | 2014-10-08 |
| CN202710924U (en) | 2013-01-30 |
| CN102866608B (en) | 2015-11-25 |
| CN202677063U (en) | 2013-01-16 |
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Effective date of registration: 20151028 Address after: 6, 519075 A District, 4 buildings, 63 North Pearl Road, Zhuhai, Guangdong Patentee after: Zhuhai Aipeike Science and Technology Co Ltd Address before: 519075 Xiangzhou, Zhuhai, Pearl Road, North District, No. 63, No. Patentee before: Zhuhai Seine Printing Technology Co., Ltd. |
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Address after: 519075, Guangdong District, Xiangzhou, Zhuhai Avenue, No. 01, building 3883, 2 floor, 7 floor, B District, 02, 03, 04, 1, 2, 3, 4, 5, 05, Zhuhai Patentee after: Nasida Limited by Share Ltd Address before: 6, 519075 A District, 4 buildings, 63 North Pearl Road, Zhuhai, Guangdong Patentee before: Zhuhai Aipeike Science and Technology Co Ltd |