CN103885306A - Driving assembly, roller and processing box - Google Patents
Driving assembly, roller and processing box Download PDFInfo
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- CN103885306A CN103885306A CN201410086660.6A CN201410086660A CN103885306A CN 103885306 A CN103885306 A CN 103885306A CN 201410086660 A CN201410086660 A CN 201410086660A CN 103885306 A CN103885306 A CN 103885306A
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Abstract
The invention provides a driving assembly, a roller and a processing box. The driving assembly comprises a gear seat, a connection piece and a driving force receiving piece, wherein a containing cavity which is concave inwards is formed on the gear seat along the axial direction; the connection piece is mounted in the containing cavity; the driving force receiving piece comprises an inner end part, an outer end part and a rod body part connected between the inner end part and the outer end part; the driving part is connected with the inner end part; the inner end part drives the driving part to rotate around the axis of the connection part; the containing cavity comprises a driven power receiving part arranged at the bottom of the containing cavity and a limiting groove formed in one end part of the containing cavity; the driven power receiving part is connected with a driven part; the driven power receiving part is driven to rotate around the axis of the gear seat by the driven part; the driving assembly further comprises a positioning assembly mounted in the limiting groove; the driving assembly further comprises a positioning assembly mounted in the limiting groove and a rod body part penetrates through the positioning assembly and can do reciprocating sliding relative to the positioning assembly. The invention provides the roller and the processing box which are provided with the driving assembly. The driving assembly, the roller and the processing box have the advantages of being reliable in performance, stable in falling, stable to work and the like.
Description
Technical field
The present invention relates to printing consumables field, the roller and the handle box that especially relate to a kind of driven unit, adopt this driven unit to build.
Background technology
Conventionally the toner source of supply using while using handle box as imaging in imaging device, existing handle box mostly can be releasably attached in imaging device and use.
Conventionally, the working roll of many rotations in handle box, such as powder feeding roller, developer roll and photosensitive drums etc., they are commonly referred to as roller, and each other by gear train transferring power.At present, handle box has two kinds of structures.The first integral type handle box as disclosed in american documentation literature US5815644, the handle box of integral type has photosensitive drums, developer roll, cleaning device and charging device etc., the second split type handle box as disclosed in american documentation literature US6330410, split type handle box comprises bulging box and Delevoping cartridge, Delevoping cartridge is removably mounted on bulging box, drum box comprises photosensitive drums, charging device and cleaning device, and Delevoping cartridge comprises the parts such as developer roll, powder outlet cutter and powder feeding roller.
Conventionally, photosensitive drums receives the driving force of imaging device and works by being assemblied in the driven unit of its one end, and developer roll receives the driving force relying in photosensitive drums by gear train, handle box as disclosed in american documentation literature US6898399.In addition, developer roll also can directly be received and work from the driving force of imaging device by the driven unit that is assemblied in its end, thereby receive independently of one another the driving force from imaging device with photosensitive drums, handle box as disclosed in american documentation literature US20080138115A1.Developer roll receives the source of driving force and processes from outside photosensitive drums and imaging device, can also be by assembling a driven unit on the sidewall of handle box framework, this driven unit receives the driving force of imaging device, by gear train, driving force is passed to developer roll again, handle box as disclosed in U.S. Patent number US7826767.
With reference to Fig. 1, Fig. 2 and Fig. 3, american documentation literature US20080152388A1 discloses a kind of imaging device 1 as shown in Figure 1, in the housing of imaging device 1, body is installed, body is provided with installation position that can installing process cartridge 15 (seeing Fig. 3), in a side of installation position, drive unit 11 is installed, drive unit 11 comprises driving wheel 12 and provides the motor 13 of rotary driving force for driving wheel 12, driving wheel 12 is provided with driving shaft 14 on axle S1 therein, and driving shaft 14 is upwards provided with and takes off post 141 in its footpath.With reference to Fig. 3, Fig. 3 is the structural drawing of handle box 15 while being installed in handle box installation position along the direction of arrow X, in handle box 15, photosensitive drums is installed, in the end of photosensitive drums, driven unit 16 is installed, when driven unit 16 and driving shaft 13 are installed and are coordinated, driven unit 16 is connected driving shaft 13 in the mode of sliding with driven unit 16, thereby makes driven unit 16 receive the rotary driving force being transmitted by driving shaft 13, then takes the rotation of the parts such as photosensitive drums and developer roll to.
But above-mentioned driven unit is the driving co-ordinative construction that adopts sphere type universal joint, in the time that the handle box of this driven unit or imaging device are equipped with in transportation, this driven unit easily departs from from handle box or imaging device, thereby cause photosensitive drums or developer roll cannot receive driving force, cause normally using.
And, because above-mentioned this driven unit swings at random under the state of non-stress, so in the time carrying out installation or removal with driving shaft, easily cause between driven unit and driving shaft mutually stuck, even cause the damage of driven unit and driving shaft, cause handle box or imaging device normally to work.
Summary of the invention
The first object of the present invention is to provide a kind of driven unit with dependable performance, machine-falling steady, working stability.
The second object of the present invention is to provide a kind of roller with dependable performance, machine-falling steady, working stability.
The 3rd object of the present invention is to provide a kind of handle box with dependable performance, machine-falling steady, working stability.
In order to realize the first object of the present invention, the invention provides a kind of driven unit, comprise pinion stand, web member and driving force receiving element, pinion stand is formed with the container cavity of indent vertically, web member is arranged in container cavity, and web member comprise drive division, follower and be connected in drive division and follower between connecting portion; Driving force receiving element comprises the inner end that is arranged in container cavity, is arranged on the outer end outside container cavity and is connected in inner end the rod body part between outer end, and wherein, drive division is connected with inner end, and inner end drives the axis rotation of drive division around web member; Container cavity comprise be arranged on container cavity bottom from power acceptance division and be arranged on the stopper slot of container cavity end, be connected with follower from power acceptance division, follower rotates from power acceptance division around the axis drive of pinion stand; Driven unit also comprises the positioning component being arranged in stopper slot, and rod body part also can reciprocatingly slide with respect to positioning component through positioning component.
From such scheme, by be provided with gimbal structure at the two ends of web member, web member can be rotated obliquely around the axis of pinion stand, then driving force receiving element can carry out telescopic slide in the direction of the axis of pinion stand, and be linked in rod body part by positioning component, make the axis of driving force receiving element be close to the axis of pinion stand, then driven unit of the present invention is under non-stress state, and the position of driving force receiving element is relatively fixing.More be conducive to carry out steadily, be connected reliably with driving wheel with the driving force receiving element that can realize Telescopic by position is relatively fixing, make this driven unit there is dependable performance, machine-falling steady, steady operation and other merits.
Further scheme is, positioning component comprises the first elastic component and spacer, and the outer end of the first elastic component is connected to the cell wall of stopper slot, and the inner of the first elastic component is connected to spacer, spacer axially offers pilot hole along pinion stand, and rod body part is through pilot hole.
Therefore, elastic component is the parts that spring or elastic sponge etc. have elastic restoring force, by pilot hole, the axis of driving force receiving element is parallel to the axis of pinion stand, make driving force receiving element and driving shaft carry out steadily, be connected reliably, after driving force receiving element and driving shaft are connected, the probability of the faults such as due to the axis of driving force receiving element and the axis conllinear of driving shaft, conllinear transmission is conducive to improve transmission efficiency, and attenuating appearance is stuck.
Further scheme is, positioning component comprises the second elastic component, and the outer end of the second elastic component is connected to the cell wall of stopper slot, and the inner of the second elastic component is connected to rod body part.
Therefore, be linked in rod body part by the elastic component as spring or elastic sponge etc. with elastic restoring force, the axis that can realize equally driving force receiving element is close to the axis of pinion stand, and make the position of driving force receiving element relatively fixing, thereby driving force receiving element and driving wheel can carry out steadily, be connected reliably.
Further scheme is, comprises from power acceptance division the boss that stretch out vertically container cavity bottom surface, and boss is formed with the outer wall that sphere caves in, and boss has been disposed radially the first groove; Inner end is formed with the outer wall that sphere caves in, and inner end has been disposed radially the second groove; Follower is provided with the outer wall with the sphere evagination cooperatively interacting from power acceptance division, is outward extended with at the outer wall of follower first taking off post of matching with the first groove; Drive division is provided with the outer wall of the sphere evagination cooperatively interacting with inner end, is outward extended with at the outer wall of drive division second taking off post of matching with the second groove.
Further scheme is, drive division is provided with the outer wall that sphere caves in, and drive division has been disposed radially the 3rd groove; Follower is provided with the outer wall that sphere caves in, and drive division has been disposed radially four-way groove; Inner end is provided with the outer wall of the sphere evagination cooperatively interacting with drive division, is outward extended with at the outer wall of inner end the 3rd taking off post of matching with the 3rd groove; Be provided with the outer wall of the sphere evagination cooperatively interacting with follower from power acceptance division, be outward extended with the 4th taking off post of matching with four-way groove from the outer wall of power acceptance division.
Therefore, at drive division, follower, inner end be provided with the structure of universal joint from power acceptance division, make driving force receiving element can carry out swimmingly telescopic slide, and driving force receiving element can swing in any direction at an angle or rotate, thus realize rotary driving force steadily, reliably transmit.
Further scheme is, positioning component also comprises bearing pin and spring, and bearing pin is arranged in container cavity and through driving force receiving element, spring fitting in container cavity, butt bottom the first end of spring and container cavity, the second end of spring and bearing pin butt.
Therefore, pass driving force receiving element by bearing pin and make the driving force receiving element can be along pin slide, and reset by spring, can effectively increase the reset force of driving force receiving element, make the position of driving force receiving element more relatively fixing.
In order to realize the second object of the present invention, the invention provides a kind of roller, this roller comprises roll body and is arranged on driven unit on one end of roll body, and driven unit comprises pinion stand, web member and driving force receiving element, and pinion stand is formed with the container cavity of indent vertically; Web member is arranged in container cavity, and web member comprise drive division, follower and be connected in drive division and follower between connecting portion; Driving force receiving element comprises the inner end that is arranged in container cavity, is arranged on the outer end outside container cavity and is connected in inner end the rod body part between outer end, and wherein, drive division is connected with inner end, and inner end drives the axis rotation of drive division around web member; Container cavity comprise be arranged on container cavity bottom from power acceptance division and be arranged on the stopper slot of container cavity end, be connected with follower from power acceptance division, follower rotates from power acceptance division around the axis drive of pinion stand; Driven unit also comprises the positioning component being arranged in stopper slot, and rod body part also can reciprocatingly slide with respect to positioning component through positioning component.
From such scheme, by being arranged on, driven unit on the rollers such as developer roll, powder feeding roller, photosensitive drums can be realized driving force receiving element and driving shaft carries out steadily, is connected reliably, makes the roller that this driven unit is installed have dependable performance, machine-falling steady, steady operation and other merits.
In order to realize the 3rd object of the present invention, the invention provides a kind of handle box, this handle box comprises framework and is rotatably supported on the roller in framework, roller comprises roll body and is arranged on driven unit on one end of roll body, driven unit comprises pinion stand, web member and driving force receiving element, and pinion stand is formed with the container cavity of indent vertically; Web member is arranged in container cavity, and web member comprise drive division, follower and be connected in drive division and follower between connecting portion; Driving force receiving element comprises the inner end that is arranged in container cavity, is arranged on the outer end outside container cavity and is connected in inner end the rod body part between outer end, and wherein, drive division is connected with inner end, and inner end drives the axis rotation of drive division around web member; Container cavity comprise be arranged on container cavity bottom from power acceptance division and be arranged on the stopper slot of container cavity end, be connected with follower from power acceptance division, follower rotates from power acceptance division around the axis drive of pinion stand; Driven unit also comprises the positioning component being arranged in stopper slot, and rod body part also can reciprocatingly slide with respect to positioning component through positioning component.
From such scheme, the rollers such as developer roll, powder feeding roller, photosensitive drums are installed in handle box, by installing on above-mentioned roller, driven unit can be realized driving force receiving element and driving shaft carries out steadily, is connected reliably, makes the handle box that this driven unit is installed have dependable performance, machine-falling steady, steady operation and other merits.
Accompanying drawing explanation
Fig. 1 is existing imaging device structural drawing.
Fig. 2 is existing driving device structure figure.
Fig. 3 is the structural drawing of existing handle box while coordinating with driving shaft.
Fig. 4 is the structural drawing of driven unit the first embodiment of the present invention.
Fig. 5 is the fragmentary, perspective view of driven unit the first embodiment of the present invention.
Fig. 6 is the exploded view of driven unit the first embodiment of the present invention.
Fig. 7 is the structural drawing of driving force receiving element in driven unit the first embodiment of the present invention.
Fig. 8 is the phantom view of driving force receiving element in driven unit the first embodiment of the present invention.
Fig. 9 is the structural drawing of spacer in driven unit the first embodiment of the present invention.
Figure 10 is the structural drawing of web member in driven unit the first embodiment of the present invention.
Figure 11 is the phantom view of driven unit the first embodiment middle gear seat of the present invention.
Figure 12 is the phantom view of driven unit the first embodiment of the present invention.
Figure 13 is that roller the first embodiment of the present invention coordinates the structural drawing that is with driving shaft.
Figure 14 is the First Principle schematic diagram of driven unit the first embodiment of the present invention and driving shaft engagement process.
Figure 15 is the second principle schematic of driven unit the first embodiment of the present invention and driving shaft engagement process.
Figure 16 is the 3rd principle schematic of driven unit the first embodiment of the present invention and driving shaft engagement process.
Figure 17 is the 4th principle schematic of driven unit the first embodiment of the present invention and driving shaft engagement process.
Figure 18 is the structural drawing of spacer in driven unit the second embodiment of the present invention.
Figure 19 is the phantom view of driven unit the second embodiment of the present invention.
Figure 20 is the phantom view of driven unit of the present invention the 3rd embodiment.
Figure 21 is the structure principle chart of driven unit of the present invention the 3rd embodiment.
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment
Driven unit the first embodiment:
With reference to Fig. 4, Fig. 5 and Fig. 6, driven unit 2 comprises pinion stand 21, web member 5, driving wheel receiving element 3 and positioning component.Driven unit 2 is arranged on the end of the rollers such as photosensitive drums, developer roll, powder feeding roller, receive the rotary driving force transmitting from the imaging device such as printer or duplicating machine by driving wheel receiving element 3, rotate thereby recycling web member 5 transmits this rotary driving force driven gear seat 21.The housing of pinion stand 21 is formed with along the container cavity 26 of pinion stand 21 axial indents, container cavity 26 is one to have the cavity of bottom tube-like, and offer opening 24 in one end of container cavity 26, on the other end at pinion stand 21 outer walls with respect to opening 24, be provided with stiff end 23, on the position between opening 24 and stiff end 23, be provided with gear 22 at pinion stand 21 outer walls.In the time that driving wheel receiving element 3 is delivered to the rotary driving force receiving pinion stand 21 and pinion stand 21 is rotated, because stiff end 23 is fastenedly connected in roll body, so driven unit 2 drives the rollers such as photosensitive drums, developer roll, powder feeding roller to be rotated work by receiving driving force, and carry out engagement fit transmission by gear 23 and other gears, then also driving force can be delivered to other associated component, other associated component are normally worked.
With reference to Fig. 7 and Fig. 8, driving force receiving element 3 has a central shaft S2, driving force receiving element 3 comprise outer end 31 for receiving rotary driving force, for rotary driving force is delivered to the inner end 33 of next stage parts and be connected in outer end 31 and inner end 33 between rod body part 32, outer end 31, rod body part 32 and inner end 32 arrange along central shaft S2 successively.Outer end 31 is the shape of similar torch roughly, the diameter of outer end 31 diminishes successively from export-oriented inwardly (being from top to bottom in the middle of Fig. 7, Fig. 8), and be formed with the spherical outer wall 312 of indent in the center of outer end 31, the surrounding of this spherical outer wall 312 is formed with 311, two dogs 311 of outwardly directed two dogs and is circumferentially symmetrical along the periphery of spherical outer wall 312.Be provided with the guide surface 313 that favours central shaft S2 in the outermost of outer end 31.Inner end 33 therein heart position is formed with the spherical outer wall 332 of indent, and spherical outer wall 332 is offering groove 331 in the direction perpendicular to central shaft S2.
With reference to Fig. 9, positioning component comprises spacer 4 and return unit 46 (seeing Figure 11), spacer 4 comprises the first half sheets 41 and identical with the first half sheet 41 structures the second half sheets 42, the first half sheets 41 are provided with boss 45 on its base portion 44, and offer half through hole in center, in the time that the first half sheets 41 coordinate with the second half sheets 42, spacer 4 in be formed centrally a through hole 43.Return unit 46 is elastic sponge, and return unit 46 is arranged in the container cavity 26 of pinion stand 21.
With reference to Figure 10, web member 5 has a central shaft S3, web member 5 comprise drive division 511, follower 52 and be connected in drive division 511 and follower 52 between connecting portion 53, drive division 51, follower 52 and connecting portion 53 arrange along central shaft S3 successively.Drive division 511 comprises the outer wall of evagination sphere, and takes off post 511,512 along being provided with two in the direction perpendicular to central shaft S3 on the sphere outer wall of drive division 51, takes off post 511 and take off post and 512 centered by axle S3, arrange symmetrically.Follower 52 comprises the outer wall of evagination sphere, and takes off post 521,522 along being provided with two in the direction perpendicular to central shaft S3 on the sphere outer wall of drive division 52, takes off post 521 and take off post and 522 centered by axle S3, arrange symmetrically.
With reference to Figure 11, pinion stand 21 has a central shaft S4, pinion stand 21 axially offers the container cavity 26 of bottom tube-like along it, the bottom surface 261 of container cavity 26 is outwards formed with vertically from power acceptance division 27, the boss extending to form to the inside of container cavity 26 vertically for bottom surface 261 from power acceptance division 27.Be formed with the spherical outer wall 272 of indent from the center of power acceptance division 27, and in the direction perpendicular to central shaft S4, offering groove 271 at spherical outer wall 272.Container cavity 26 is provided with locating slot 25 in the position near opening 24, and locating slot 25 is along the circumferential ring-type setting of container cavity 26, and return unit 46 is arranged in the locating slot 25 of ring texture.
With reference to Figure 12 and in conjunction with Fig. 5, in the time need to assembling for each parts of driven unit 2, first web member 5 is installed in container cavity 26, is installed in power acceptance division 27 by the follower 52 of web member 5, and make to take off post 521 and take off post and 522 be arranged in groove 271.Because the follower 52 with evagination sphere outer wall cooperatively interacts with the power acceptance division 27 with interior concave spherical surface outer wall, make the axle center of the spherical outer wall 272 that web member 5 can moving power acceptance division 27 favour pinion stand central shaft S4 rotation, and can by take off post 521,522 and cooperatively interacting of groove 271 carry out the transmission of driving force.
After installation connecting element 5, driving force receiving element 3 is installed, reach in container cavity 26 by inner end 33, cooperatively interact with the inner end 33 with interior concave spherical surface outer wall by the drive division 51 with evagination sphere outer wall, and make to take off post 511 and take off post and 512 be arranged in groove 331, to complete being connected of web member 5 and driving force receiving element 3.Because the drive division 51 with evagination sphere outer wall cooperatively interacts with the inner end 33 with interior concave spherical surface outer wall, make web member 5 can favour around the axle center of the spherical outer wall 332 of inner end 33 the central shaft S2 rotation of driving force receiving element 3, and can by take off post 511,512 and cooperatively interacting of groove 331 carry out the transmission of driving force.
The last installation to positioning component again, is first installed to return unit 46 in locating slot 25, then the first half sheets 41 of spacer 4 and the second half sheets 42 are respectively installed in locating slot 25, and pilot hole 43 is sleeved in rod body part 32.Due to the outer end of return unit 46 and the cell wall butt of locating slot 25, base portion 44 butts of the inner of return unit 46 and spacer 4, and because return unit 46 is for the elastic sponge of ring-type setting, so make to be positioned under return unit 46 elastic restoring force effects with 4 of the spacers of return unit 46 butts the central part of opening 24.Be arranged to make the central shaft S2 of driving force receiving element 3 to be parallel to the central shaft S4 of pinion stand 2 by the through hole 43 at spacer 4, make under the effect of return unit 46 and spacer 4, driving force receiving element 3 all can be parallel to central shaft S4 at central shaft S2 radially or while sliding axially, and, central shaft S2 near or coincide with central shaft S4.
With reference to Figure 13 and in conjunction with Fig. 1 and Fig. 2, in the time that handle box is installed to imaging device, the driven unit 2 that is installed to roll body 71 one end is connected the direction along arrow X and the driving shaft 14 being fixed in imaging device.
With reference to Figure 14, at driven unit 2 in the time not contacting with driving wheel 14, under the effect of the preset reset force of return unit and spacer, make central shaft S1, the central shaft S2 of web member and the central shaft S3 conllinear of pinion stand of driving force receiving element 3, the distance of the bottom surface 261 of guide portion 313 and container cavity in the direction of central shaft S4 is L1.
With reference to Figure 15, driven unit 2 moves to the position shown in Figure 15 from the position shown in Figure 14 along the direction of arrow X, after the outer end 31 of driving force receiving element 3 contacts with driving shaft 14, because driving shaft 14 is relatively-stationary, so 3 opposite directions towards arrow X of driving force receiving element are slided, and drive the spacer 4 being linked in rod body part 32 to slide in locating slot 25.Make central shaft S2 favour central shaft S3, central shaft S3 favours central shaft S4, simultaneously because drive division 51 and follower 52 are all arranged to spherical gimbal structure, so driving force receiving element 3 inwardly slides edge towards container cavity 26 perpendicular to the direction of arrow X, the distance L 2 of the bottom surface 261 that causes guide portion 313 and container cavity 26 in the direction of central shaft S4 is less than L1, thereby realize the Telescopic of driving force receiving element 3, driving wheel can successfully be slided in the sphere outer wall of indent along guide portion.
With reference to Figure 16, when driven unit 2 continues to move to the position shown in Figure 16 from the position shown in Figure 15 along the direction of arrow X, the end of driving wheel 14 will slip over guide portion and cooperatively interact with the spherical outer wall 312 of the indent that is positioned at driving force receiving element 3 centers.Now, central shaft S1, S2, S3, S4 conllinear.In the time that driving shaft 14 rotates, by take off post 141 with dog 311 transmission that cooperatively interacts, then recycle the transmission each other of driving force receiving element 3, web member 5 and pinion stand 21 and coordinate, to complete, the rotary driving force of driving shaft 14 is delivered on pinion stand 21.
With reference to Figure 17, in the time the handle box that driven unit 2 is installed need to being taken out from imaging device, driven unit 2 is extracted out along the direction of the arrow Y contrary with arrow X, 3 opposite directions towards arrow Y of driving force receiving element are slided, and drive the spacer 4 being linked in rod body part 32 to slide in locating slot.Make central shaft S2 favour central shaft S3, central shaft S3 favours central shaft S4, simultaneously because drive division 51 and follower 52 are all arranged to spherical gimbal structure, so driving force receiving element 3 inwardly slides edge towards container cavity 26 perpendicular to the direction of arrow Y, the distance L 3 of the bottom surface 261 that causes guide portion 313 and container cavity in the direction of central shaft S4 is less than L1, thereby realize the Telescopic of driving force receiving element 3, driving wheel 14 can successfully be departed from from the sphere outer wall 312 of indent and slide then to complete along guide portion 313 to depart from driven unit 2.
Driven unit the second embodiment:
With reference to Figure 18 and Figure 19, on the basis of driven unit the first embodiment, 4 designs of spacer in the first embodiment are become to spacer 6 as shown in figure 18, spacer 6 comprises the first half sheets 61 and the second half sheets 62, the first half sheets 61 and the second half sheets 62 offer respectively half through hole, form through hole 63 in the time that the first half sheets 61 and the second half sheets 62 cooperatively interact.In the time that spacer 6 is installed in the locating slot of driven unit, through hole 63 is linked in rod body part and makes the central axes of driving force receiving element in the central shaft of pinion stand.Can realize equally fundamental purpose of the present invention by this spacer 6.Compared with the spacer 4 of the first embodiment, the spacer 6 of the present embodiment lacks the boss 45 of spacer 4, due to the engagement limits not had between boss 45 and the end face of locating slot of spacer 4, spacer 6 is slided in locating slot and there is larger slip interval range, then driving force receiving element has larger flexible scope, is more conducive to being connected between driving shaft and driven unit.
Driven unit the 3rd embodiment:
On the basis of driven unit the first embodiment, can also be at interior bearing pin 74 and the spring 77 of arranging of the container cavity of pinion stand 71 76.With reference to Figure 20 and Figure 21, the axial length of bearing pin 74 is arranged to be less than or equal to the diameter of container cavity 76, and be positioned in rod body part 72 on the position of container cavity 76 and offer through hole 721, bearing pin 74 is through through hole 721, make driving force receiving element can along bearing pin 74 slide and bearing pin 74 can be in container cavity 76 moving axially along container cavity 76.Spring 77 is arranged in container cavity 76, bottom surface 761 butts of its one end and container cavity 76, the other end and bearing pin 74 butts.In the time that driving force receiving element is connected with driving wheel, driving force receiving element is by along being radially moved of container cavity 76, and meanwhile, driving force receiving element slides along bearing pin 74, then driving force receiving element and bearing pin 74, also along axially the moving of container cavity 76, cause spring 77 that deformation occurs inwardly.When removing after external force, under driving force receiving element non-stress state, due to the elastic restoring force of spring 77 make bearing pin 74 in abutting connection with the outer wall of locating slot 75, and drive driving force receiving element to reset by bearing pin 74, by the cooperation of bearing pin 74 and spring 77, effectively increase the reset force of driving force receiving element, make the position of driving force receiving element more relatively fixing.
Driven unit the 4th embodiment:
On the basis of driven unit the first embodiment, positioning component can also have for disc spring etc. the spring of elastic restoring force, disc spring is sleeved in rod body part, and make spring outer end connect and the cell wall of locating slot, the inner of spring is connected to rod body part, by elastic restoring force, the central shaft of its driving force receiving element is close to the central shaft of pinion stand, can makes equally driving force receiving element relatively be fixed on the middle part of pinion stand, thereby can realize fundamental purpose of the present invention.
Driven unit the 5th embodiment:
On the basis of driven unit the first embodiment, inner end and can also be arranged to have the outer wall of evagination sphere from power acceptance division, and at the spherical outer wall of evagination, symmetrical taking off post is set.Correspondingly, drive division and follower are arranged to the outer wall of interior concave spherical surface, and at the outer wall of interior concave spherical surface, groove is set, cooperatively interact with the drive division with interior concave spherical surface by the inner end with evagination sphere, the follower from power acceptance division and interior concave spherical surface with evagination sphere cooperatively interacts, can realize equally object of the present invention.
Roller embodiment:
With reference to Figure 13, the roller 7 of the present embodiment at least comprises one of photosensitive drums or developer roll, roller 7 comprises roll body 71, in the end of roll body 71, the driven unit in above-mentioned arbitrary driven unit embodiment is installed, stiff end by pinion stand can be fastenedly connected with one end of the roll body of developer roll or photosensitive drums, thereby realize, the rotary driving force of imaging device is delivered to developer roll or photosensitive drums.
Handle box embodiment:
Handle box comprises framework and is rotatably supported on the roller in described framework, and this roller at least comprises one of photosensitive drums or developer roll, and roller comprises roll body, and driven unit in above-mentioned arbitrary driven unit embodiment is installed on one end of roll body.
From such scheme, by be provided with gimbal structure at web member end, web member can be favoured from power acceptance division, the axis of driving force receiving element rotates, then driving force receiving element can carry out telescopic slide in the direction of the axis of pinion stand, and be linked in rod body part by positioning component, make the axis of driving force receiving element be close to the axis of pinion stand, or make the axis of driving force receiving element and the axis of web member, the axis conllinear of pinion stand, then driven unit of the present invention is under non-stress state, the position of driving force receiving element is relatively fixing.Effectively control the radial-play of driving wheel receiving element is good by positioning component, position is relatively fixing to be more conducive to carry out steadily, be connected reliably with driving wheel with the driving force receiving element that can realize Telescopic, makes driven unit of the present invention, roller and handle box have dependable performance, machine-falling steady, steady operation and other merits.Web member in driven unit and spacer are arranged in the container cavity of pinion stand simultaneously, effectively avoid causing coming off or losing of parts in installing or transporting process.
Claims (10)
1. driven unit, comprises
Pinion stand, described pinion stand is formed with the container cavity of indent vertically;
Web member, is arranged in described container cavity, and described web member comprise drive division, follower and be connected in described drive division and described follower between connecting portion;
Driving force receiving element, described driving force receiving element comprises the inner end that is arranged in described container cavity, is arranged on the outer end outside described container cavity and is connected in described inner end the rod body part between described outer end;
It is characterized in that:
Described drive division is connected with described inner end, and described inner end drives the axis rotation of described drive division around described web member;
Described container cavity comprise be arranged on described container cavity bottom from power acceptance division and be arranged on the stopper slot of described container cavity end, describedly be connected with described follower from power acceptance division, described follower rotates from power acceptance division described in driving around the axis of described pinion stand;
Described driven unit also comprises the positioning component being arranged in described stopper slot, and described rod body part also can reciprocatingly slide with respect to described positioning component through described positioning component.
2. driven unit according to claim 1, is characterized in that:
Described positioning component comprises the first elastic component and spacer, the outer end of described the first elastic component is connected to the cell wall of described stopper slot, the inner of described the first elastic component is connected to described spacer, described spacer axially offers pilot hole along described pinion stand, and described rod body part is through described pilot hole.
3. driven unit according to claim 1, is characterized in that:
Described positioning component comprises the second elastic component, and the outer end of described the second elastic component is connected to the cell wall of described stopper slot, and the inner of described the second elastic component is connected to described rod body part.
4. according to the driven unit described in claims 1 to 3 any one, it is characterized in that:
Describedly comprise from power acceptance division the boss that stretch out vertically described container cavity bottom surface, described boss is formed with the outer wall that sphere caves in, and described boss has been disposed radially the first groove;
Described inner end is formed with the outer wall that sphere caves in, and described inner end has been disposed radially the second groove;
Described follower is provided with the outer wall with the described sphere evagination cooperatively interacting from power acceptance division, is outward extended with at the outer wall of described follower first taking off post of matching with described the first groove;
Described drive division is provided with the outer wall of the sphere evagination cooperatively interacting with described inner end, is outward extended with at the outer wall of described drive division second taking off post of matching with described the second groove.
5. according to the driven unit described in claims 1 to 3 any one, it is characterized in that:
Described drive division is provided with the outer wall that sphere caves in, and described drive division has been disposed radially the 3rd groove;
Described follower is provided with the outer wall that sphere caves in, and described drive division has been disposed radially four-way groove;
Described inner end is provided with the outer wall of the sphere evagination cooperatively interacting with described drive division, is outward extended with at the outer wall of described inner end the 3rd taking off post of matching with described the 3rd groove;
The described outer wall that is provided with the sphere evagination cooperatively interacting with described follower from power acceptance division, is outward extended with at the described outer wall from power acceptance division the 4th taking off post of matching with described four-way groove.
6. according to the driven unit described in claims 1 to 3 any one, it is characterized in that:
Described positioning component also comprises bearing pin and spring, described bearing pin is arranged in described container cavity and through described driving force receiving element, described spring fitting in described container cavity, the first end of described spring and described container cavity bottom butt, the second end of described spring and described bearing pin butt.
7. roller, comprises roll body and is arranged on driven unit on one end of described roll body, described driven unit comprises
Pinion stand, described pinion stand is formed with the container cavity of indent vertically;
Web member, is arranged in described container cavity, and described web member comprise drive division, follower and be connected in described drive division and described follower between connecting portion;
Driving force receiving element, described driving force receiving element comprises the inner end that is arranged in described container cavity, is arranged on the outer end outside described container cavity and is connected in described inner end the rod body part between described outer end;
It is characterized in that:
Described drive division is connected with described inner end, and described inner end drives the axis rotation of described drive division around described web member;
Described container cavity comprise be arranged on described container cavity bottom from power acceptance division and be arranged on the stopper slot of described container cavity end, describedly be connected with described follower from power acceptance division, described follower rotates from power acceptance division described in driving around the axis of described pinion stand;
Described driven unit also comprises the positioning component being arranged in described stopper slot, and described rod body part also can reciprocatingly slide with respect to described positioning component through described positioning component.
8. roller according to claim 7, is characterized in that:
Described positioning component comprises the first elastic component and spacer, the outer end of described the first elastic component is connected to the cell wall of described stopper slot, the inner of described the first elastic component is connected to described spacer, described spacer axially offers pilot hole along described pinion stand, and described rod body part is through described pilot hole.
9. according to the roller described in claim 7 or 8, it is characterized in that:
Describedly comprise from power acceptance division the boss that stretch out vertically described container cavity bottom surface, described boss is formed with the outer wall that sphere caves in, and described boss has been disposed radially the first groove;
Described inner end is formed with the outer wall that sphere caves in, and described inner end has been disposed radially the second groove;
Described follower is provided with the outer wall with the described sphere evagination cooperatively interacting from power acceptance division, is outward extended with at the outer wall of described follower first taking off post of matching with described the first groove;
Described drive division is provided with the outer wall of the sphere evagination cooperatively interacting with described inner end, is outward extended with at the outer wall of described drive division second taking off post of matching with described the second groove.
10. handle box, comprises framework and is rotatably supported on the roller in described framework, and described roller comprises roll body and be arranged on driven unit on one end of described roll body, and described driven unit comprises
Pinion stand, described pinion stand is formed with the container cavity of indent vertically;
Web member, is arranged in described container cavity, and described web member comprise drive division, follower and be connected in described drive division and described follower between connecting portion;
Driving force receiving element, described driving force receiving element comprises the inner end that is arranged in described container cavity, is arranged on the outer end outside described container cavity and is connected in described inner end the rod body part between described outer end;
It is characterized in that:
Described drive division is connected with described inner end, and described inner end drives the axis rotation of described drive division around described web member;
Described container cavity comprise be arranged on described container cavity bottom from power acceptance division and be arranged on the stopper slot of described container cavity end, describedly be connected with described follower from power acceptance division, described follower rotates from power acceptance division described in driving around the axis of described pinion stand;
Described driven unit also comprises the positioning component being arranged in described stopper slot, and described rod body part also can reciprocatingly slide with respect to described positioning component through described positioning component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410086660.6A CN103885306B (en) | 2014-03-10 | 2014-03-10 | Driving assembly, roller and processing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410086660.6A CN103885306B (en) | 2014-03-10 | 2014-03-10 | Driving assembly, roller and processing box |
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| CN103885306A true CN103885306A (en) | 2014-06-25 |
| CN103885306B CN103885306B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410086660.6A Active CN103885306B (en) | 2014-03-10 | 2014-03-10 | Driving assembly, roller and processing box |
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| CN (1) | CN103885306B (en) |
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