CN105700305A - Drive assembly for processing cartridge, photosensitive drum unit, processing cartridge and image forming device - Google Patents
Drive assembly for processing cartridge, photosensitive drum unit, processing cartridge and image forming device Download PDFInfo
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- CN105700305A CN105700305A CN201610179379.6A CN201610179379A CN105700305A CN 105700305 A CN105700305 A CN 105700305A CN 201610179379 A CN201610179379 A CN 201610179379A CN 105700305 A CN105700305 A CN 105700305A
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- Prior art keywords
- drive division
- handle box
- sleeve
- assembly
- driving assembly
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/75—Details relating to xerographic drum, band or plate, e.g. replacing, testing
- G03G15/757—Drive mechanisms for photosensitive medium, e.g. gears
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
- G03G21/1839—Means for handling the process cartridge in the apparatus body
- G03G21/1857—Means for handling the process cartridge in the apparatus body for transmitting mechanical drive power to the process cartridge, drive mechanisms, gears, couplings, braking mechanisms
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
The invention provides a drive assembly for a processing cartridge. The drive assembly comprises a drive part, a coupling, a telescopic component and an adaptive adjustment part, wherein the coupling is connected with the drive part; the telescopic component controls the coupling and the drive part to axially stretch; the drive part comprises an engaging part; and the adaptive adjustment part automatically adjusts that the drive part needs to rotate around the axis of the drive part or not in the installation process of a photosensitive drum unit. The invention further provides a photosensitive drum comprising the drive assembly, the processing cartridge and an image forming device for driving the drive assembly. The condition that the drive assembly is relatively easily installed into the image forming device when stably transferring power can be ensured through the adaptive adjustment part.
Description
Technical field
The present invention relates to a kind of handle box driving assembly, and include the photoconductive drum unit of this driving assembly, a kind of handle box and comprise the image forming apparatus of this handle box。
Background technology
Laser printing technology is by feat of the advantage printing cost, very by the favor of user。In laser printer of the prior art (one in image processing system), dismountable handle box is installed, handle box is provided with rotation element, these rotate element and at least include the one in developing element, photosensitive drums, charge member, these rotate the element necessary component as handle box, after being mounted to laser printer, the revolving force that can be applied by the driving mechanism in laser printer directly or indirectly drives。
Laser printing technology is by feat of the advantage printing cost, very by the favor of user。In laser printer of the prior art (one in image processing system), dismountable handle box is installed, handle box is provided with rotation element, these rotate element and at least include the one in developing element, photosensitive drums, charge member, these rotate the element necessary component as handle box, after being mounted to laser printer, the revolving force that can be applied by the driving mechanism in laser printer directly or indirectly drives。
As shown in Figure 1 and Figure 2, existing rotary part with a kind of fit system of driving mechanism in laser printer is: be provided with a projection 0002 in laser printer 0001 on driving mechanism, rotary part 0006 end in handle box is provided with a coupling unit 0007, is connected by a multi-directional ball between the end of rotary part 0006 with coupling unit 0007；When the door closure 0005 opening laser printer, when handle box is mounted to the handle box installation portion 0003 of laser printer 0001, coupling unit 0004 has a process turned forward (shown in Fig. 2 (a)) along guide rail 0004, so can engage with projection 0002 well, when handle box is mounted to predetermined position, what coupling unit 0004 was coaxial with projection 0002 engages (shown in Fig. 2 (b)), and such coupling unit 0007 can transmit power to rotary part 0006 well；When taking out handle box, coupling unit 0004 and projection directly also there will be the heeling condition of Fig. 2 (a), so can easily handle box be taken out in laser printer。
Inventor finds in the process realize the present invention, above-mentioned engaging mechanism Shortcomings: coupling unit 0007 can not install predetermined track well, engage with the projection 0002 on driving mechanism, namely the engaged claw of coupling unit 0004 can not engage with the passing pin in projection 0002 well, so can affect the normal mounting of handle box。And can not ensure well rotary part rotate process in, its axis well with the axis coaxle of driver part, cause print quality to go wrong。
Summary of the invention
The present invention provides a kind of photoconductive drum unit, drives assembly it cannot be guaranteed that the rotary part technical problem that causes print quality bad at the axis coaxle of the process axis rotated and driver part solving existing handle box。
In order to solve above technical problem, the present invention adopts the technical scheme that:
A kind of handle box driving assembly includes: shaft coupling that drive division is connected with described drive division and control described shaft coupling and the extensible member of drive division axial stretching, described drive division includes mate, it is characterized in that, also including self-adaptative adjustment part, described self-adaptative adjustment part automatically adjusts described drive division in described photoconductive drum unit installation process and rotates the need of around drive division axis。
Whether preferably, described self-adaptative adjustment part automatically adjusts described drive division in described driving component mounting process and rotates the need of around described drive division axis, be undertaken judging by abutting with the guide rail in described image processing system:
In described driving component mounting process, when described self-adaptative adjustment part abuts with the guide rail in image processing system, described drive division rotates around described drive division axis；
In described driving component mounting process, when described self-adaptative adjustment part does not abut with the guide rail in image processing system, described drive division does not rotate around described drive division axis。
Preferably, described self-adaptative adjustment part is arranged on described engaging piece。
Preferably, described mate is provided on described drive division axis direction the pair of meshing pawl of symmetry arrangement。
Preferably, described drive division being provided with a groove, the pair of engaged claw is arranged on the periphery of described groove and extends on drive division axial direction；Described self-adaptative adjustment part is for being arranged on described groove periphery and along being perpendicular on drive division axial direction, a pair symmetrical extension, the pair of extension and the arrangement substantially in 90 ° each other on described groove periphery of the pair of engaged claw。
Preferably, between described shaft coupling and described drive division, it is additionally provided with the single direction rotation controlling organization controlling described drive division single direction rotation。
Preferably, described drive division also includes protruded stigma, and protruded stigma is symmetrically provided with two grooves, and described each groove is respectively arranged with the first plane, the second plane and the first cambered surface, and described first plane is substantially vertical with drive division axis；Described second plane is substantially parallel with drive division axis；Described first cambered surface is arranged on and is arranged on relative position with the first plane, one end that described shaft coupling is connected with the protruded stigma of described drive division is provided with a pair through hole, described single direction rotation controlling organization includes a pair spring and a pair cylinder, one end of described cylinder is separately positioned in described shaft coupling through hole, and described spring housing is connected on the outside of described cylinder；The other end of the pair of cylinder respectively with two matching grooves on the protruded stigma of described drive division。
Preferably, described drive division also includes projection and connects the joint pin of described projection and mate, and the projection of described drive division is provided directly as a part for shaft coupling, and described self-adaptative adjustment part is arranged on the sidewall of described joint pin。
Preferably, described self-adaptative adjustment part is symmetrically arranged two lobes。
Preferably, described mate is the pair of meshing pawl of two symmetry arrangement on drive division axis direction。
Preferably, the single direction rotation controlling organization controlling described drive division single direction rotation it is additionally provided with in described driving assembly。
Preferably, described single direction rotation controlling organization is can the ratchet mechanism of single direction rotation。
On the other hand, the present invention also provides for a kind of photoconductive drum unit, and including photosensitive drums and driving assembly, described photosensitive drums includes the cylinder of hollow, is provided with the figure layer forming electrostatic latent image at described periphery；It is characterized in that, described driving assembly is any one described driving assembly above-mentioned；And the other end that described driving assembly is relative with drive division is provided with sleeve, and the outside of this sleeve is directly socketed in the inside of described hollow circular cylinder。
On the other hand, it is preferable that the present invention also provides for a kind of handle box, including framework, photoconductive drum unit, it is characterized in that, the unit of described photosensitive drums is any one photoconductive drum unit above-mentioned, and described photoconductive drum unit is supported by described framework。
On the other hand, the present invention also provides for a kind of image forming apparatus and includes image processing system and handle box, handle box mounting portion it is provided with in described image processing system, guiding guide rail and the driving mechanism of handle box installation, described handle box is detachably mounted to the handle box mounting portion of image processing system；It is characterized in that, described handle box is above-mentioned handle box preferably。
Preferably, any of the above-described described driving assembly it is provided with in described handle box；And when the self-adaptative adjustment part in described driving assembly is in described handle box to image processing system, automatically adjusts described drive division and rotate the need of around drive division axis, and by whether abutting with the guide rail in image processing system undertaken judging:
In described handle box installation process, when described self-adaptative adjustment part abuts with the guide rail in image processing system, described drive division rotates around described drive division axis；
In described handle box installation process, when described self-adaptative adjustment part does not abut with the guide rail in image processing system, described drive division does not rotate around described drive division axis。
After adopting technique scheme, owing to by driving the self-adaptative adjustment part on assembly can so that the mate on drive division will not interfere with the driver part in image processing system in installation process, such mate can engage with the driver part in image processing system well；And drive division install will not run-off the straight, therefore well power can be transferred to the rotary part in handle box, it is ensured that the printing effect of image forming apparatus is good。Further, the shaft coupling being connected with drive division is arranged to cross coupler, the particularly employing inclined-plane, inclined-plane of the groove in cross shaft joint and protrusions match, make drive division in the process of axial translation, can axially there is bigger stroke, be more conducive to drive division and the disengaging of drive division in image processing system。
Accompanying drawing explanation
Fig. 1 is the partial view of laser printer a kind of in prior art；
Fig. 2 (a), 2 (b) are photo-sensitive cell on the third handle box in prior art and the schematic diagram driving gear to coordinate in image processing system；
The structural representation of a kind of handle box that Fig. 3 provides for the embodiment of the present invention one；
Fig. 4 is the decomposing schematic representation of handle box in Fig. 3；
The handle box that Fig. 5 provides for the embodiment of the present invention one drives assembly and the sectional view supporting parts；
The structural representation of the photosensitive drum component that Fig. 6 provides for the embodiment of the present invention one；
The structural representation driving assembly that Fig. 7 provides for the embodiment of the present invention one；
The Fig. 8 decomposing schematic representation driving assembly for providing for the embodiment of the present invention one；
Fig. 9 a kind of drives the structural representation of drive division in assembly for what the embodiment of the present invention one provided；
Figure 10 a kind of drives the structural representation of shaft coupling first component in assembly for what the embodiment of the present invention one provided；
A kind of structural representation driving assembly middle sleeve that Figure 11 provides for the embodiment of the present invention one；
Figure 12 a kind of drives the structural representation of jump ring in assembly for what the embodiment of the present invention one provided；
A kind of decomposing schematic representation driving assembly that Figure 13 provides for the embodiment of the present invention two；
Figure 14 a kind of drives the structural representation of drive division in assembly for what the embodiment of the present invention two provided；
A kind of structural representation driving assembly medium power transfer column that Figure 15 provides for the embodiment of the present invention two；
A kind of installation diagram driving assembly medium power transfer column and buckle, spring that Figure 16 provides for the embodiment of the present invention two；
A kind of structural representation driving assembly middle sleeve that Figure 17 provides for the embodiment of the present invention two；
The structural representation of a kind of image forming apparatus that Figure 18 provides for the embodiment of the present invention three；
The structural representation of a kind of image forming apparatus middle guide that Figure 19 provides for the embodiment of the present invention three；
The structural representation of projection in a kind of image forming apparatus that Figure 20 provides for the embodiment of the present invention three；
In a kind of image forming apparatus that Figure 21 provides for the embodiment of the present invention three, handle box is at the structural representation of the first state；
Figure 22 is the close-up schematic view of Figure 21；
In a kind of image forming apparatus that Figure 23 provides for the embodiment of the present invention three, handle box is at the structural representation of the second state；
Figure 24 is the close-up schematic view of Figure 23；
In a kind of image forming apparatus that Figure 25 provides for the embodiment of the present invention three, handle box is at the structural representation of the third state；
In a kind of image forming apparatus that Figure 26 provides for the embodiment of the present invention four, handle box is at the partial schematic diagram of the first state；
In a kind of image forming apparatus that Figure 27 provides for the embodiment of the present invention four, handle box is at the partial schematic diagram of the second state。
Detailed description of the invention
In order to make those skilled in the art be more prone to, be expressly understood the technical scheme that the present invention relates to, illustrate below in conjunction with specific embodiment mode。
Embodiment one
As shown in Fig. 3～Fig. 5, for a kind of handle box 1 that embodiments of the invention one provide, this handle box 1 is detachably mounted in image processing system (description that embodiment five can be detailed)。Such as Fig. 3, handle box 1 includes handle box framework 2, accept the driving assembly 4 of image processing system inner drive, it is arranged on the support parts 3 of handle box framework 2 sidewall, support and parts 3 are provided with a through hole, the drive division 40 driving assembly 4 can pass this through hole, at least part of outside being an exposure to handle box framework 2 of drive division。
As shown in Figure 4, Figure 5, handle box 1 includes the powder cabin 21 holding carbon dust (a kind of developing agent), the storage useless waste powder hopper 22 of powder, photoconductive drum unit 5；Powder cabin 21 and waste powder hopper 22 are respectively arranged with support above-mentioned support parts type in March circular arc 21d, 22d；Support portion 3 inwall is provided with the guiding surface 31,32 that restriction drives assembly 4 to swing, powder cabin 21 is provided with extension 21a, 21b, waste powder hopper 22 is provided with through hole 22a, 22b, and extension 21a, 21b and through hole 22a, 22b are respectively through together with pin-hinges；Photoconductive drum unit 5 one end supports by supporting parts 3, and the other end is fixedly attached on the through hole 22c of waste powder hopper 22 by pin。Assembly 4 is driven to accept the driving force from image processing system, drive photosensitive drums rotates, and drive sleeve 44 outside of assembly 4 to be provided with helical gear 4a, helical gear 4a and power can also be transferred to, by the gear 21c of magnetic roller 21e end, the state that magnetic roller 21e, magnetic roller 21e remain substantially parallel with the axis of photosensitive drums。
As it is shown in figure 5, drive in assembly 4, the drive division 40 accepting image processing system driving force is connected in sleeve 44 by coupler sleeve, and is provided with spring 45 between shaft coupling and sleeve 44 inwall, and such drive division 40 can relative to sleeve 44 inwall axial stretching；It is easy to handle box 1 and can be mounted in image processing system well。
As shown in Figure 6, a kind of photoconductive drum unit 5 that the present embodiment provides includes, image can be transferred to the photosensitive drums 50 of image medium (such as paper), it is arranged on the driving assembly 4 of photosensitive drums 50 end, photosensitive drums includes the cylinder of hollow, is provided with the figure layer forming electrostatic latent image at described periphery；Drive the rotation axis of assembly 4 and the rotation axis almost coaxial of photosensitive drums 50；The structure driving assembly 4 can be described later in detail below。
As shown in Figure 7, Figure 8, assembly 4 is driven to include accepting the drive division 40 of image processing system driving force, drive the sleeve 44 of socket drive division 40 in assembly 4, the diameter of the outer wall 4b of sleeve 44 is bigger to be caused and photosensitive drums 50 internal diameter, so the sleeve driving assembly can be assembled in photosensitive drums 50 by the mode snapped, and drive assembly 4 also will not deviate from photosensitive drums 50。
As shown in Figure 8, Figure 9, the preferred engaging piece 40 of the present embodiment can coordinate with image processing system inner process 1002 in Figure 20, projection 1002 includes a drive rod 1002d being connected with motor, one taper bulb 1002a being arranged on drive rod 1002d front end, and it is arranged on drive pin 1002b, 1002c of drive rod 1002d both sides。Drive assembly 4 to include engaging piece 40, engaging piece 40 is provided with the mate accepting driving force and adjusts the self-adaptative adjustment part that engaging piece rotates；Preferably, drive division 40 is provided with a groove 40e, mate is engaged claw 40c, 40d of two symmetry arrangement on drive division axis direction, and engaged claw 40c, 40d are arranged on the periphery of groove 40e, and engaged claw 40c, 40d can extend on drive division 40 axial direction；So when drive division 40 engages with projection 1002, taper bulb 1002a is located in groove 40e, and drive pin 1002b, 1002c engage with engaged claw 40c, 40d respectively, and such projection 1002 receives the power from motor, is transferred to drive division 40。Preferably, self-adaptative adjustment part on drive division 40 is for being arranged on groove 40e periphery, and along being perpendicular to extension 40a, 40b of drive division axial direction, extension 40a, 40b and engaged claw 40c, 40d arrangement substantially in 90 ° each other on groove 40e periphery。
Preferably, the protruded stigma of drive division 40 being symmetrically provided with two grooves, each groove part is provided with the first plane 403, and the first plane is substantially vertical with drive division axis；Second plane 404, substantially parallel with drive division axis；First cambered surface 405, is arranged on relative position with the first plane。
As shown in Figure 5, Figure 8, drive division is connected in sleeve 44 by a coupler sleeve, the extensible member controlling drive division 40 and shaft coupling axial stretching it is provided with between shaft coupling and sleeve 44, preferably, extensible member is a spring 45 being socketed in shaft coupling end, one end of spring abuts with sleeve lining, and the other end abuts with shaft coupling；And there is a groove 43a shaft coupling end, by an E font jump ring as described in Figure 12 and groove 43a clamping, shaft coupling is connected on sleeve 44, it is to avoid drive division 40 and shaft coupling are deviate from sleeve 44。
As shown in Figure 8, shaft coupling is cross coupler, this cross coupler includes the first component 41, second component the 42, the 3rd component 43, first component 41 includes and prominent " work " type projection 41a, second component 42 includes and the chute 42b coordinated and the projection 42a relative with chute 42 of the projection 41a in the first component, 3rd component 43 includes the groove 43e engaged with projection 42a in second component, pin 43c, 43d of power is transmitted to sleeve 44, the cylinder 43b, the groove 43a coordinated with E font jump ring 51 of socket spring 45。As shown in Figure 5, it is preferable that, the sliding surface between groove 43e and projection 42a, certain inclination is had with drive division axis, such drive division 40 is in the process of axial translation, it is possible to axially have bigger stroke, is more conducive to the disengaging of drive division 40 and image processing system inner process 1002。
As shown in Fig. 8, Figure 11, sleeve 44 is outside is provided with helical gear 4a, hold the cavity 44b of shaft coupling, and it is provided with in sleeve 44 and can allow the through hole 44d of shaft coupling column body 43a traverse, sleeve 44 inwall is provided with two symmetrical groove 44a, 44e, and groove is uploaded pin 43c, 43d of graduating power respectively and is coordinated with shaft coupling, by the revolving force of drive division 40, it is transferred to sleeve 44, thus driving the rotation driving photosensitive drums 50。
As shown in Fig. 8, Figure 10, preferably, the mechanism controlling drive division 40 single direction rotation it is additionally provided with between shaft coupling and drive division 40, this mechanism includes the spring 46,47 being arranged in shaft coupling the first component 41 in through hole 41d, 41e, cylinder 48,49, cylinder 48,49 one end is inserted in through hole 41d, 41e respectively, and the other end is symmetrically provided with two matching grooves with on protruded stigma respectively, spring 46,47 one end is socketed in cylinder 48,49 respectively, and the other end contacts with the surface of second component 42；So when drive division 40 is along when in Fig. 9, A moves in direction, because cylinder 48,49 abuts with the first plane, and the first plane is substantially parallel with drive division axis, so the rotation of drive division 40 is prevented from；But when drive division 40 moves along the B direction in Fig. 9, cylinder 48,49 along B direction, can be applied power so that cylinder 48,49 constantly extrusion spring 46,47, such cylinder will not stop drive division to rotate along B direction by the first cambered surface 405。So this mechanism can control drive division 40 single direction rotation。Preferably, the through hole 41f on the first component 41 can be passed in the end of drive division 40, then passes through E font jump ring and avoids driving head to deviate from from shaft coupling。
Embodiment two
As shown in Figure 13～Figure 17, it is provided that another drives assembly, and other parts are identical with embodiment one, including drive division 140, shaft coupling, control the controlling organization of drive division single direction rotation, hold the sleeve 148 of shaft coupling, control the telescoping mechanism of shaft coupling and drive division axial stretching。Preferably, drive division 140 includes accepting power mate on image processing system inner process 1002, and mate and embodiment one have identical engaged claw 140a, and engaged claw is symmetrically disposed on the periphery of a groove；With embodiment one the difference is that, drive division includes mate, projection 140d and connects the joint pin 140c of projection 140d and mate, the projection 140d of described drive division is provided directly as a part for shaft coupling, self-adaptative adjustment part is arranged on the sidewall of described joint pin, for symmetrically arranged two lobe 140b。The present embodiment shaft coupling can omit the first component in embodiment one, equally also includes second component 141 and the 3rd component 142, and is also that the mode by cross coupler connects between second component the 141, the 3rd component 142 and projection 140d。More direction can be had it should be noted that the second component 141 of shaft coupling is intended merely to allow to slide between drive division and sleeve (photosensitive drums), if in order to the technical scheme of the present embodiment offer simplifies, it is convenient to omit second component 141。
As shown in figure 13, support cap 146 it is additionally provided with between shaft coupling and sleeve 148, this support cap is used for supporting the 3rd component 142, support cap 146 and the 3rd component 142 can also be arranged all-in-one-piece structure, the present embodiment is preferably, the two is arranged to Split type structure, is for the convenient spring installed in following ratchet mechanism。It is provided with the spring 147 identical with embodiment one between cap 146 and sleeve 148 supporting。The end supporting cap 146 is fixed on cartridge exterior also by an E font jump ring。
As shown in Figure 13, Figure 15, Figure 16, Figure 17, in the present embodiment, sleeve 148 is fixing with photosensitive drums to be connected, the projection 140d of drive division 140 end is arranged to a part for shaft coupling, so drive division 140 can not rotate around shaft coupling, but can be by controlling shaft coupling around drive sleeve single direction rotation, such that it is able to control drive division around sleeve single direction rotation, and sleeve and photosensitive drums are fixing connections, therefore drive division 140 can around photosensitive drums single direction rotation。Preferably, in the present embodiment, control shaft coupling around sleeve single direction rotation by ratchet mechanism；Specifically ratchet mechanism includes the spring 145 that is arranged in the 3rd component 142 end chute 142c, the loose mail 143,144 that can rotate around the 3rd component 142 Inner arc 142b, 142d respectively, one end of loose mail 143,144 is provided with the cambered surface corresponding with circular arc 142b, 142d, and the other end is provided with the plane abutted with sleeve 148。As shown in figure 16, spring 145 makes loose mail 143,144 at least some of in the outside of the 3rd component 142。As shown in figure 17, sleeve 148 includes accommodation portion 148a, the gear 148d of accommodation shaft coupling；Being symmetricly set on the groove of sleeve 148 inwall, groove includes the first plane 148b axially in parallel with sleeve, and with the first plane 148b cambered surface 148c being oppositely arranged。So when driving assembling components good, the plane of loose mail 143,144 end is arranged in the groove of sleeve 148, when shaft coupling rotates along the C direction in Figure 17, the plane of loose mail 143,144 end abuts with the first plane 148b of sleeve inner groovy, so coupling unit is prevented from along the rotation in C direction；And when shaft coupling rotates along the D direction in Figure 17, the cambered surface 148c in sleeve can extrude loose mail 143,144, loose mail is pressed further by spring 145；Thus can so that shaft coupling single direction rotation in sleeve 148。
It should be noted that the self-adaptative adjustment part in the present embodiment can also be arranged to identical with embodiment one；And the mechanism controlling drive division 140 single direction rotation can also use the structure in embodiment one。
Embodiment three
As shown in Figure 18～25, it is provided that a kind of image forming apparatus includes image processing system and the handle box being detachably mounted in image processing system；Handle box is preferably the handle box that embodiment one provides, and image processing system 1000 includes can the handle box mounting portion 1001 of installation process box；Driving mechanism, driving mechanism includes motor, to the rotation element in handle box, such as photosensitive drums, magnetic roller (or developer roll) provide driving source, driving mechanism also includes a projection 1002 directly coordinated with driving assembly in handle box, by gear or belt transmission power between projection 1002 and motor；Image processing system also includes guiding the guide rail 1003 of handle box installation and allowing handle box stably be mounted to the lid 1004 in handle box mounting portion 1001。Preferably, guide rail 1003 includes First terrace 1003a, second step face 1003b parallel with First terrace in the horizontal direction, connect with second step face 1003b and with second step face 1003b tilt the 3rd step surface 1003c, and the size that the photosensitive drum shaft that the 3rd step surface 1003c is in handle box is upwards, is gradually increased along handle box installation direction；Being additionally provided with a circular arc portion 1003d on guide rail 1003, when handle box is mounted in image processing system completely, handle box front end abuts with this circular arc portion 1003d。Preferably, projection 1002 includes drive rod 1002d, a taper bulb 1002a being arranged on drive rod 1002d front end, and is arranged on drive pin 1002b, 1002c of drive rod 1002d both sides。
Preferably, in the present embodiment, the assembly that drives in handle box is the driving assembly 4 described in embodiment two。
Such as Figure 21, shown in 22, it is mounted to the structural representation in image processing system for handle box 1 in the first state；If driving and assembly 4 not having self-adaptative adjustment part, the engaged claw 40c or engaged claw 40d of drive division 40 are on handle box installation direction, it is positioned at drive division 40 axis direction front, and engaged claw 40c, 40d are in drive division axis direction projection, so in installation process, engaged claw 40c or engaged claw 40d can interfere with the taper bulb 1002a of drive division 1002 front end, affects the installation of handle box 1。Therefore, the present embodiment preferably drive division 4 is provided with two extensions 40a, 40b as self-adaptative adjustment part, can in handle box installation process, by the collision of the 3rd step surface 1003c on extension 40a or 40b and guide rail, engaged claw 40c, 40d is allowed to be automatically adjusted to avoid and the taper bulb 1002a position interfered。
Such as Figure 23, shown in 24, it is mounted to the structural representation in image processing system for handle box 1 in the second state；In this state, extension 40a or extension 40b, on handle box installation direction, is positioned at drive division 40 axis direction front；Therefore engaged claw 40c, 40d itself interferes without with taper bulb 1002a, so extension 40a, 40b as self-adaptative adjustment part need not by adjusting the state of drive division 40 by guide rail。And it is described in detail in embodiment two, drives in assembly 4 and be additionally provided with between shaft coupling and drive division 40 and be additionally provided with the mechanism controlling drive division 40 single direction rotation, it is preferable that drive division 40 can the direction of single direction rotation be the clockwise direction in Figure 22；So drive division 40 will not be rotated at random in installation process, engaged claw 40a, 40b of being more conducive to control on drive division 40 rotate according to desired trajectory。
As shown in figure 25, the structural representation in image processing system 1000 it is mounted to completely for handle box 1, now driving the drive division 40 in assembly 4 to engage with projection 1002, specifically, engaged claw 40c, the 40d on drive division 40 engages with drive pin 1002b, the 1002c in projection 1002 respectively。
Preferably, driving in assembly 4, to arrange cross coupler be to allow handle box 1 from when extracting in image processing system, the disengaging of drive division 40 and projection 1002 can have a process cushioned, it is later than handle box framework and departs from, with guide rail 1003d, the state abutted, be so more conducive to the disengaging of drive division 40。Further, sliding surface between groove 43e and projection 42a, has certain inclination with drive division axis, and such drive division 40 is in the process of axial translation, can axially there is bigger stroke, be more conducive to the disengaging of drive division 40 and image processing system inner process 1002。
Embodiment four
Such as Figure 26, shown in 27, it is provided that the partial schematic diagram of another kind of image forming apparatus, embodiment four and embodiment three include identical image processing system 1000 and identical handle box framework；Being different in that, driving assembly in the handle box that the present embodiment provides is the driving assembly in embodiment two；Specifically, self-adaptative adjustment part is equally possible and on guide rail 1003 the step surface 1003c of the lobe 140b being arranged on drive division 140 sidewall, the lobe 140b state adjusting engaged claw；And drive the ratchet mechanism being also equipped with adjusting drive division single direction rotation in assembly。After handle box is mounted to image processing system completely, the engaged claw 140a of assembly end is driven to engage with the drive pin in projection 1002 well；And with embodiment five, there is identical beneficial effect。
Last it is noted that embodiment of above is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement, other rotate element, such as developing element or agitating element etc. such as to drive assembly can also drive in handle box；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of institute of the present invention resist technology scheme。
Claims (21)
1. driving an assembly, described driving assembly includes: drive division, sleeve, described drive division are arranged in described sleeve and power is transferred to sleeve, and described drive division includes the engaged claw receiving power and the joint pin being connected with engaged claw,
It is characterized in that: the sidewall of described joint pin is provided with self-adaptative adjustment part, described self-adaptative adjustment part is by being made described drive division relative to described sleeve rotating by promotion。
2. drive assembly as claimed in claim 1, it is characterised in that after described self-adaptative adjustment part makes described drive division rotate under applied external force effect, the position of the engaged claw on described drive division changes。
3. arbitrary driving assembly as claimed in claim 1 or 2, it is characterised in that described self-adaptative adjustment part extends along being perpendicular to described drive division axial direction。
4. arbitrary driving assembly as claimed in claim 1 or 2, it is characterised in that described drive division is additionally provided with groove, and described engaged claw is symmetrically disposed on the periphery of groove。
5. arbitrary driving assembly as claimed in claim 1 or 2, it is characterised in that described self-adaptative adjustment part is lobe, and described lobe is symmetrically disposed on the sidewall of described joint pin。
6. drive assembly as claimed in claim 3, it is characterised in that described self-adaptative adjustment part is non-circular cross sections along the cross section in the direction vertical with the axis direction of described drive division。
7. the driving assembly as described in as arbitrary in claim 1 to 6, it is characterised in that described driving assembly also includes the single direction rotation controlling organization controlling described drive division around described sleeve single direction rotation。
8. driving assembly as claimed in claim 7, it is characterised in that when described single direction rotation controlling organization makes described drive division rotate in the clockwise direction, described drive division can around described sleeve rotating。
9. driving assembly as claimed in claim 8, it is characterised in that described single direction rotation controlling organization makes described drive division when non-being rotated clockwise, power can be transferred to described sleeve by described drive division。
10. drive assembly as claimed in claim 7, it is characterized in that, described drive division also includes protruded stigma, and protruded stigma is symmetrically provided with two grooves, described each groove is respectively arranged with the first plane, the second plane and the first cambered surface, and described first plane is substantially vertical with drive division axis；Described second plane is substantially parallel with drive division axis；Described first cambered surface is arranged on and is arranged on relative position with the first plane, described driving assembly also includes a shaft coupling, one end that described shaft coupling is connected with the protruded stigma of described drive division is provided with a pair through hole, described single direction rotation controlling organization includes a pair spring and a pair cylinder, one end of described cylinder is separately positioned in described shaft coupling through hole, and described spring housing is connected on the outside of described cylinder；The other end of the pair of cylinder respectively with two matching grooves on the protruded stigma of described drive division。
11. drive assembly as claimed in claim 7, it is characterised in that described single direction rotation controlling organization is can the ratchet mechanism of single direction rotation。
12. drive assembly as claimed in claim 7, it is characterised in that when described drive division rotates along a direction, described drive division can around described sleeve rotating, and when described drive division rotates in another direction, described drive division can not around described sleeve rotating。
13. drive assembly as claimed in claim 12, it is characterised in that when described drive division rotates in another direction, power can be transferred to described sleeve by described drive division。
14. the driving assembly as described in as arbitrary in claim 1 to 13, it is characterised in that described driving assembly also includes telescoping mechanism, described telescoping mechanism makes the described drive division can relative to described sleeve axial stretching。
15. drive assembly as claimed in claim 14, it is characterised in that described telescoping mechanism is a spring, and described spring is located between described drive division and described sleeve。
16. a photosensitive drums, it is characterised in that described photosensitive drums include as arbitrary in claim 1 to 16 as described in driving assembly。
17. a handle box, it is characterised in that described handle box include as arbitrary in claim 1 to 16 as described in driving assembly。
18. handle box as claimed in claim 17, it is releasably attached in image processing system, it is characterized in that, described self-adaptative adjustment part is made described drive division relative to described sleeve rotating by promotion, and makes the position of described engaged claw change to the second state from the first state。
19. handle box as claimed in claim 18, it is characterized in that, the position of described first state is that the engaged claw on described drive division is on the installation direction of described handle box, and the position of described second state is that described engaged claw is not on the installation direction of described handle box。
20. handle box as claimed in claim 17, it is characterised in that described handle box includes the photosensitive drums described in claim 17, described photosensitive drums and described sleeve connection。
21. handle box as claimed in claim 18, it is characterised in that described engaged claw is provided with two；During described engaged claw the second state, from the unilateral observation of handle box, wherein an engaged claw is positioned at the top of another engaged claw。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610179379.6A CN105700305B (en) | 2014-11-13 | 2014-11-13 | Drive assembly for processing box, photosensitive drum unit, processing box and image forming device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410642209.8A CN105589318B (en) | 2014-11-13 | 2014-11-13 | A kind of handle box driving assembly, photoconductive drum unit, handle box and image forming apparatus |
| CN201610179379.6A CN105700305B (en) | 2014-11-13 | 2014-11-13 | Drive assembly for processing box, photosensitive drum unit, processing box and image forming device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410642209.8A Division CN105589318B (en) | 2013-09-29 | 2014-11-13 | A kind of handle box driving assembly, photoconductive drum unit, handle box and image forming apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105700305A true CN105700305A (en) | 2016-06-22 |
| CN105700305B CN105700305B (en) | 2021-07-23 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410642209.8A Active CN105589318B (en) | 2013-09-29 | 2014-11-13 | A kind of handle box driving assembly, photoconductive drum unit, handle box and image forming apparatus |
| CN201610179379.6A Active CN105700305B (en) | 2014-11-13 | 2014-11-13 | Drive assembly for processing box, photosensitive drum unit, processing box and image forming device |
| CN201810779489.5A Active CN108614402B (en) | 2014-11-13 | 2014-11-13 | Handle box and driving assembly |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410642209.8A Active CN105589318B (en) | 2013-09-29 | 2014-11-13 | A kind of handle box driving assembly, photoconductive drum unit, handle box and image forming apparatus |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810779489.5A Active CN108614402B (en) | 2014-11-13 | 2014-11-13 | Handle box and driving assembly |
Country Status (2)
| Country | Link |
|---|---|
| CN (3) | CN105589318B (en) |
| WO (1) | WO2016074559A1 (en) |
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| CN106227008A (en) * | 2016-09-28 | 2016-12-14 | 冉启国 | A kind of novel photoactive drum driving gear and cartridge |
| CN106739558A (en) * | 2016-12-07 | 2017-05-31 | 珠海市拓佳科技有限公司 | A kind of device being connected automatically with printer driver head |
| CN107991853A (en) * | 2017-12-28 | 2018-05-04 | 珠海天威飞马打印耗材有限公司 | Rotating driving force receiver, driving force transfer unit and handle box |
| CN110231761A (en) * | 2018-03-06 | 2019-09-13 | 纳思达股份有限公司 | Handle box |
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| WO2017202205A1 (en) | 2016-05-27 | 2017-11-30 | 珠海联合天润打印耗材有限公司 | Driving force reception assembly and processing box using assembly |
| CN206573863U (en) * | 2016-09-21 | 2017-10-20 | 纳思达股份有限公司 | Processing box |
| CN106707706A (en) * | 2016-11-29 | 2017-05-24 | 北京中恒复印设备集团有限公司 | Upper cover of powder barrel and powder barrel provided with upper cover |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108614402B (en) | 2019-06-25 |
| CN105700305B (en) | 2021-07-23 |
| WO2016074559A1 (en) | 2016-05-19 |
| CN105589318A (en) | 2016-05-18 |
| CN108614402A (en) | 2018-10-02 |
| CN105589318B (en) | 2019-10-22 |
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