CN108153128A - Power transmission and handle box - Google Patents

Power transmission and handle box Download PDF

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Publication number
CN108153128A
CN108153128A CN201810079681.3A CN201810079681A CN108153128A CN 108153128 A CN108153128 A CN 108153128A CN 201810079681 A CN201810079681 A CN 201810079681A CN 108153128 A CN108153128 A CN 108153128A
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CN
China
Prior art keywords
power
power reception
power transmission
rotation axis
reception part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810079681.3A
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Chinese (zh)
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CN108153128B (en
Inventor
周欣
闻艺俊
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Tuo Jia Science And Technology Ltd Of Zhuhai City
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Tuo Jia Science And Technology Ltd Of Zhuhai City
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Publication of CN108153128A publication Critical patent/CN108153128A/en
Application granted granted Critical
Publication of CN108153128B publication Critical patent/CN108153128B/en
Active legal-status Critical Current
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Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18Mechanical 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
    • G03G21/1839Means for handling the process cartridge in the apparatus body
    • G03G21/1857Means for handling the process cartridge in the apparatus body for transmitting mechanical drive power to the process cartridge, drive mechanisms, gears, couplings, braking mechanisms
    • G03G21/186Axial couplings

Abstract

The present invention relates to power transmissions, have rotation axis L2, including power reception part, movable part and drive gear;Movable part includes ontology, the convex block from body outer surface protrusion and the sliding slot from the extension of body internal surface exterior surface, power reception part and is combined with sliding slot;Drive gear includes cylindrical gear mass, the gear cavity that gear mass is enclosed, from gear cavity side wall to the holding tank of the direction extension far from rotation axis L2;Step surface is formed between holding tank and gear cavity;Power reception part can extend and retract on the direction where rotation axis L2, when power reception part stretches out, convex block is located at first position, when power reception part is retracted, convex block is located at than first position closer to the second position of step surface, between the drive gear in power reception part and power transmission is connected by orbicule, but tight fit, therefore, handle box is not in the problem of power reception part comes off from handle box in transportational process.

Description

Power transmission and handle box
Technical field
The present invention relates to electrophotographic image forming field more particularly to a kind of handle boxes suitable for electrophotographic image forming And the power transmission in handle box, the power transmission are used to be combined with the power output member in imaging device It is combined with being detached from, when power transmission is combined with power output member, power transmission receives power output member output Driving force, and the driving force received is transferred to the component in handle box.
Background technology
Common electrophotographic image forming, such as printer, duplicator etc. are indispensable in modern handle official bussiness field Equipment.By taking printer as an example, handle box is common consumables in printer, wherein the developer for development is accommodated, and It is rotatably mounted with multiple revolving parts wherein.
When handle box works, the multiple revolving part rotates respectively, utilizes electrophotographic image forming technology so that accommodated in handle box The latent electrostatic image developing that will be formed on one of revolving part of developer, and the electrostatic latent image after development is transferred to imaging and is situated between Matter finally exports.To ensure the multiple revolving part rotation, handle box further includes the power reception part being disposed therein, works as place After reason box is mounted to printer, which drives for receiving driving force from printer, and be transferred to revolving part Revolving part rotates.
A kind of existing power reception part for being referred to as universal joint, the power reception part are installed in by an orbicule In drive gear, before handle box is mounted to printer, due to the presence of orbicule, the rotary shaft of the power reception part Line is tilted relative to the rotation axis of drive gear;After handle box is mounted to printer, the power reception part is with beating Power output member in print machine combines, and in the handle box course of work, keeps the rotation axis and sliding tooth of power reception part The rotation axis of wheel is parallel or conllinear.
However, just because of the presence of the orbicule, the end of power reception part and drive gear is not tight fit yet, Therefore, using the handle box of such power reception part in transportational process, there is the wind to come off from handle box in power reception part Danger.
Invention content
The present invention provides a kind of power transmission for including power reception part, the power reception in the power transmission Part and drive gear tight fit, without worrying that handle box in transportational process, power reception part occurs and comes off from handle box The problem of.
In order to achieve the above objectives, the present invention uses following technical scheme:
Power transmission has rotation axis L2, including power reception part, movable part and drive gear, the activity Part is socketed on power reception part;Movable part include ontology, from body outer surface protrude convex block and from body internal surface to The sliding slot of outer surface extension, the power reception part are combined with sliding slot;Drive gear includes cylindrical gear mass, gear mass encloses Close the gear cavity formed, from gear cavity side wall to the holding tank of the direction extension far from rotation axis L2;In rotation axis L2 institutes Direction on, the convex block be slideably received slot receiving;Step surface is formed between holding tank and gear cavity;The power Receiving element can extend and retract on the direction where rotation axis L2, and when power reception part stretches out, convex block is located at first It puts, when power reception part is retracted, convex block is located at than first position closer to the second position of step surface.
Preferably, on the direction where rotation axis L2, there is gap between convex block and step surface.
It is furthermore preferred that the length of convex block is less than the length of holding tank.
Preferably, the power transmission further includes the elastic component between movable part and drive gear.
Preferably, the drive gear further includes the bottom wall combined with one end of gear mass, one end of the elastic component It is abutted with bottom wall, the other end is abutted with movable part.
Preferably, the power transmission further includes the fixing piece across power reception part, and the bottom wall has through-hole And opposite top and bottom, fixing piece are abutted with bottom surface.
The power reception part includes the guide rod being connected with each other and power reception portion and the power combined with guide rod transmits Portion, power reception portion are used to receive driving force from outside, and power transfering part is used for the driving force for receiving power reception part and passes It passs away.
Preferably, the movable part is two be separately set, and power transfering part is no more than sliding slot.
Preferably, the movable part is two be separately set, described two on the direction vertical with rotation axis L2 The distance between sliding slot in movable part is more than the distance between two ends of power transfering part.
The present invention also provides a kind of handle box, which is removably mounted on the imaging device with power output member In, including handle box housing and power transmission as described above, the power transmission is removably mounted on place Manage a longitudinal end of box housing.
As described above, between power reception part of the present invention and drive gear connected by orbicule, but Tight fit, therefore, handle box are not in the problem of power reception part comes off from handle box in transportational process.
Description of the drawings
Fig. 1 is the overall structure diagram of handle box of the present invention.
Fig. 2 is the decomposition diagram of power transmission of the present invention.
Fig. 3 is the overall structure diagram of power transmission of the present invention.
Fig. 4 is the sectional view along the rotation axis cutting by power transmission of the present invention.
Fig. 5 is the overall structure diagram of movable part of the present invention.
Fig. 6 A be power reception part of the present invention at installing angle position, handle box installation before state signal Figure.
Fig. 6 B are the enlarged diagrams of handle box state shown in Fig. 6 A.
Fig. 6 C are under handle box state shown in Fig. 6 A, between the power output member in power transmission and imaging device Position relationship schematic diagram.
Fig. 7 A be power reception part of the present invention at installing angle position, handle box installation in state signal Figure.
Fig. 7 B are the enlarged diagrams of handle box state shown in Fig. 7 A.
Fig. 7 C are under handle box state shown in Fig. 7 A, between the power output member in power transmission and imaging device Position relationship schematic diagram.
Fig. 8 A be power reception part of the present invention at installing angle position, the signal of state that handle box installs Figure.
Fig. 8 B are the enlarged diagrams of handle box state shown in Fig. 8 A.
Fig. 8 C are under handle box state shown in Fig. 8 A, between the power output member in power transmission and imaging device Position relationship schematic diagram.
When Fig. 9 is that handle box takes out, relative position schematic diagram between power reception portion and power output member.
Figure 10 is the overall structure diagram of power reception part in another embodiment of the present invention.
Specific embodiment
Detailed description of the present invention embodiment below in conjunction with the accompanying drawings.For convenience of description, first handle box is defined as follows:It is fixed The length direction of adopted handle box C is that the installation direction of longitudinal direction X, handle box C are transverse direction Y, at the same with the longitudinal X and transverse direction of handle box Direction vertical Y is vertical Z.
Fig. 1 is the overall structure diagram of handle box of the present invention.Handle box C is removably mounted on power In the imaging device of output 6.
As shown in the figure, handle box C includes handle box housing 1, is removably mounted on 1 one longitudinal ends of handle box housing Power transmission 2, the power transmission 2 be used for the power output member 6 of imaging device it is (as shown in Figure 2) combination and connect The driving force that power output member 6 exports is received, then transfers a driving force to the revolving part (not shown) in handle box.Further, Handle box C further includes the stent 5 for being used to support power transmission 2.
[power transmission]
Fig. 2 is the decomposition diagram of power transmission of the present invention;Fig. 3 is that power of the present invention transmits dress The overall structure diagram put;Fig. 4 is the sectional view along the rotation axis cutting by power transmission of the present invention; Fig. 5 is the overall structure diagram of movable part of the present invention;Fig. 5 is the overall structure signal of movable part of the present invention Figure.
Power transmission 2 includes power reception part 21, movable part 22 and drive gear 24, power reception part 21 and activity Part 22 can move in the drive gear 24 along rotation axis L2, further, the power transmission further include for for Power reception part 21 provides the elastic component 23 of elastic reset power, and the movable part 22 and elastic component 23 are socketed in power reception part On 21, elastic component 23 is between movable part 22 and drive gear 24;As shown in Figure 3 and Figure 4, when power transmission 2 assembles After the completion, movable part 22 and elastic component 23 are located in drive gear 24, and at least part of power reception part 21 also is located at driving In gear 24, and combined with drive gear 24;To prevent movable part 22 from deviating from out of drive gear 24, the power transmission 2 further include the protecting cover 26 combined with drive gear 24.
As described above, the driving force received is transferred to the revolving part in handle box by power transmission 2, such as Fig. 2 institutes Show, revolving part has rotation axis L1, and power transmission 2 has rotation axis L2, and power reception part 21 has rotation axis L21, the handle box C are regardless of whether be in work, the rotation of the rotation axis L21, power transmission 2 of power reception part The rotation axis L1 of axis L2 and revolving part remains coaxial.
As shown in Figure 2 and Figure 4, power reception part 21 include be connected with each other guide rod 211 and power reception portion 212 and The power transfering part 213 combined with guide rod 211, power reception portion 212 are used to receive driving force, power transfering part 213 from outside Driving force for power reception part to be received passes.Preferably, power transfering part 213 is prominent from guide rod 211 Column, in the embodiment of the present invention, the power transfering part 213 is integrally formed with guide rod 211, will be dynamic therefore, it is possible to save The step of power transfer part 213 is combined with guide rod 211 advantageously reduces production cost, and is not in power transfering part 213 from leading The risk to come off on bar 211;Movable part 22 and elastic component 23 are socketed on guide rod 211, movable part 22 while and power transfering part 213 and drive gear 24 combine, the driving force for power reception portion 212 to be received is transferred to drive gear 24;Preferably, Elastic component 23 is spring, as shown in figure 4, one end of spring 23 is abutted with movable part 22, the other end is abutted with drive gear 24.
[drive gear]
The structure of drive gear 24 is described with reference to Fig. 4, drive gear 24 includes cylindrical gear mass 241, gear Gear cavity 242 that body 241 is enclosed, from 242 side wall of gear cavity to the holding tank 243 of the direction extension far from rotation axis L2 And the bottom wall 245 combined with 241 1 ends of gear mass, the end where the bottom wall 245 is relative to the another of gear mass A end is further from power reception portion 212;The bottom wall 245 can also be separately formed with gear mass 241, and then the two passes through glue The modes such as viscous, welding combine.
As shown in figure 4, forming step surface 244 between holding tank 243 and gear cavity 242, movable part 22 passes through holding tank 243 It being combined with gear mass 241, movable part 22 and spring 23 are respectively positioned in gear cavity 242, and bottom wall 245 is connected with each other with gear mass 241, Preferably, the two is integrally formed, and there is bottom wall 245 through-hole 245a and opposite top surface 245b and bottom surface 245c, guide rod 211 to wear Through-hole 245a is crossed, one end of spring 23 is abutted with top surface 245b, and the other end is abutted with movable part 22, that is to say, that 23, spring Between movable part 22 and gear mass 241.
Power reception part 21 along its rotation axis L21 in drive gear 24 in motion process, to prevent power reception Part 21 is deviate from out of drive gear 24, and the power transmission 2 further includes fixing piece 25, as shown in figure 4, fixing piece 25 passes through Preset hole, common on guide rod 211, and the fixing piece 25 is pin, after power transmission 2 is completed to assemble, pin 25 Across guide rod 211, and positioned at the position abutted with bottom wall bottom surface 245c.
[movable part]
The structure of movable part 22 is described with reference to Fig. 2, Fig. 5 and Fig. 6 C.As described above, movable part 22 is socketed in guide rod On 211, from the point of view of power transmission 2 is facilitated to assemble, the movable part 22 is separable two, due to the two Movable part 22 is complementary, thus, the structure of one of movable part 22 is only described herein.
Movable part 22 includes ontology 221, the convex block 222 protruded from body outer surface and from body internal surface exterior surface The sliding slot 223 of extension, the sliding slot 223 in the shape of a spiral, generally extend along the rotation axis L2 of power transmission 2, described dynamic Power receiving element 21 is combined with sliding slot 223, specifically, power transfering part 213 is located in sliding slot 223, and is led by sliding slot 223 Draw;To avoid power transfering part 213 because being interfered by external structure, and then hinder power transfering part 213 sliding in sliding slot 223 It is dynamic, it is preferred that on the direction vertical with rotation axis L2, the distance between sliding slot 223 in described two movable parts is more than The distance between two ends of power transfering part 213, that is to say, that on the direction vertical with rotation axis L2, power passes Portion 213 is passed no more than sliding slot 223;It is furthermore preferred that as shown in figure 5, on the direction vertical with rotation axis L2, sliding slot 223 is remote One end closing from rotation axis L2, power transfering part 213 are protected completely by sliding slot 223, thus, power transfering part 213 will not Interfered by external structure.
The convex block 222 is received slot 243 and accommodates, as shown in Figure 6 C, convex along the rotation axis L2 of power transmission 2 The length of block 222 is l1, and the length of holding tank 243 is l2, is met:L2 > l1, l=l2-l1.
When assembling power transmission 2, for separable two movable parts is prevented to be detached from, as shown in figure 5, movable part 22 further include one of at least engaging portion 224 being disposed therein and sealing wire 225, after two 22 sets of movable parts are connected to guide rod 211, The snapping of two movable parts 22 is realized using the engaging portion 224, then is melted sealing wire 225 with the mode of welding, so as to protect Two movable parts 22 of card can be closely combined together.
[power reception part flexible]
Fig. 6 A be power reception part of the present invention at installing angle position, handle box installation before state signal Figure;Fig. 6 B are the enlarged diagrams of handle box state shown in Fig. 6 A;Fig. 6 C are under handle box state shown in Fig. 6 A, and power transmits dress Put the position relationship schematic diagram between the power output member in imaging device;Fig. 7 A are that power reception part of the present invention exists During installing angle position, the status diagram in handle box installation;Fig. 7 B are the enlarged diagrams of handle box state shown in Fig. 7 A; Fig. 7 C are the position relationships between power output member in power transmission and imaging device under handle box state shown in Fig. 7 A Schematic diagram;Fig. 8 A be power reception part of the present invention at installing angle position, the signal of state that handle box installs Figure;Fig. 8 B are the enlarged diagrams of handle box state shown in Fig. 8 A;Fig. 8 C are under handle box state shown in Fig. 8 A, and power transmits dress Put the position relationship schematic diagram between the power output member in imaging device;Fig. 9 be handle box take out when, power reception portion with Relative position schematic diagram between power output member.
Power reception part 21 can extend and retract on the direction where its rotation axis L21/L2, such as Fig. 6 A and Fig. 6 B institutes Showing, handle box C is mounted along direction shown in d1, and during original state, power reception part 21 is in stretching state, as shown in Figure 6 C, On the direction of rotation axis L2, power reception portion 212 has overlapped region, power output member 6 with power output member 6 Interference will be formed to movement of the power reception part 21 on d1 directions, thus, power reception part 21 at this time is in installing angle Position, rotation axis L21, the rotation axis L2 of power transmission 2 and the rotation axis of photosensitive drums of power reception part 21 L1 keeps coaxial, during further installation process box C, in above-mentioned spiral sliding slot 223 to power transfering part 213 Guide function under, handle box C is smoothly installed.
The location of power reception portion 212 is random, when power reception portion 212 and power output member 6 are no mutual During the region of overlapping, for handle box C in installation process, power output member 6 will not be to power reception part 21 on d1 directions Movement forms interference, thus, power reception part 21 would not also be in the installing angle position, and handle box C can be smoothly It is mounted.
Continue as shown in Figure 6 C, there are the l=l2-l1, thus, movable part 22 can be along the rotation of power transmission 2 Shaft axis L2 is moved in holding tank 243.Before handle box C is mounted, convex block 222 is in the first position shown in Fig. 6 C, at this point, Power reception part 21 is in stretching state, and the distance between convex block 222 and step surface 244 are l, for accurate control power reception The distance that part 21 is moved along rotation axis L2, along rotation axis L21, overlay region between power reception part 21 and power output member 6 The length in domain is l3, meets l=l3, that is to say, that the distance that movable part 22 is moved along rotation axis L2 and power reception portion 212 It is equal from the distance that the position being overlapped with power output member 6 is moved to 6 nonoverlapping position of power output member moves, work as activity When convex block 222 on part 22 reaches the position abutted with step surface 244, the arrival power reception of power output member 6 portion 212 just on Side, on the direction of rotation axis L2, there is no the regions of overlapping therebetween;Certainly, the convex block 222 and step surface 244 The distance between l be more than between power reception part 21 and power output member 6 during the length l3 of overlapping region, can similarly ensure There is no overlapping region between power output member 6 and power reception portion 212, it is therefore, described on the direction where rotation axis L2 Convex block 222 is slideably received slot 243 and accommodates;The mode realized in the embodiment of the present invention is so that convex block 222 and step surface At least there is gap, the length of overlapping region between the length l in the gap and power reception part 21 and power output member 6 between 244 L3 is spent to meet:L >=l3 or rotation axis the L2 along power transmission 2, the length l1 of convex block 222 are less than holding tank 243 Length l2.
Specific motion process is described with reference to Fig. 7 A, Fig. 7 B and Fig. 7 C.As shown in figures 7 a and 7b, when handle box C after It is continuous along direction shown in d1 be mounted when, power reception portion 212 will be touched with power output member 6, as handle box C continues to apply The power in d1 directions, power reception portion 212 are squeezed by power output member 6, and cause power reception part 21 whole along direction shown in d2 Movement;At this point, power transfering part 213 starts to slide along sliding slot 223, and drives movable part 22 also along direction shown in d2, due to cunning In the shape of a spiral, therefore, power transfering part 213 will drive the whole edge of power reception part 21 to slot 223 while slip along sliding slot 223 The hand of spiral of sliding slot 223 rotates, and power reception part 21 rotates integrally certain angle so that power reception portion 212 It avoids the region Chong Die with power output member 6 or power output member 6 moves to the top in power reception portion 212;Such as Fig. 7 C Shown, spring 23 will be compressed by movable part 22, and convex block 222 is in than first position closer to the second position of step surface 244, this When, power reception part 21 is in retracted mode, the rotation axis L21 of power reception part 21, the rotation axis of power transmission 2 The L2 and rotation axis L1 of photosensitive drums keeps coaxial, and pin 25 is transported also along rotation axis L2 to the direction far from bottom wall 245 Dynamic distance l4, and meet l3=l4.
As shown in Figure 8 A and 8 B, when power output member 6 crosses the top in power reception portion 212, power reception part 21 will no longer be squeezed by power output member 6, as shown in Figure 8 C, spring 23 will elastic reset, movable part 22 answers spring 23 Direction movement shown in the power effect lower edge d3 of position, and pass through power transfering part 213 and drive power reception part 21 also along direction shown in d3 Movement, so that power reception part 21 stretches out again, power reception portion 212 completes to combine with power output member 6;It is at this point, dynamic The rotation axis L1 of the rotation axis L21 of power receiving element 21, the rotation axis L2 of power transmission 2 and photosensitive drums are still protected It holds coaxial.
When handle box C needs to be removed, the power when motion process of the power reception part 21 is mounted with handle box C The motion process of receiving element 21 is on the contrary, still combine Fig. 6 A- Fig. 8 C, as shown in Figure 8 A, when handle box C edges and direction phase shown in d1 Anti- direction is taken out, and when the part in power reception portion 212 is stopped by power output member 6, and power reception part 21 cannot be with Power output member 6, which is detached from, to be combined, at this point, power reception part 21, which is in, is detached from dead angle position.
When further edge is with the pulling handle box C in the opposite direction of side shown in d1, a part of quilt in power reception portion 212 Power output member 6 is touched, and the power reception portion 212 after stress drives 213 setting in motion of power transfering part, power transfering part 213 Start to slide in sliding slot 223, as noted previously, as sliding slot 223 is in the shape of a spiral, therefore, power transfering part 213 is in sliding slot 223 While interior slip, it will it rotates a certain angle so that power reception part 21 is whole along rotation axis L2, meanwhile, spring 23 is again Secondary to be compressed, the direction shown in d2 along Fig. 7 C of power reception part 21 moves, finally, as shown in figure 9, power output member 6 is no longer right Power reception portion 212 forms blocking, and power reception part 21 is detached from power output member 6 and combines, and makees in the elastic reset of spring 23 Under, power reception part 21 stretches out again.
[another embodiment of power reception part]
Figure 10 is the overall structure diagram of power reception part in another embodiment of the present invention.Involved in the present embodiment Power reception part and the structure of power reception part in above-described embodiment are substantially the same, and the two difference is to prevent power reception part The structure being detached from from drive gear 24, to cause description clearer, power reception part involved in the present embodiment with it is above-mentioned The identical component of power reception part involved in embodiment is using being identically numbered.
As shown in Figure 10, the power reception part 21 that the present embodiment is related to includes the guide rod 211 and power reception that are connected with each other Portion 212, the power transfering part 213 combined with guide rod 211 and the deformable part 214 combined with drive gear 24.It is described variable Shape portion 214 is connect with guide rod 211 and for fixing power reception part 21, deformable part 214 and power reception portion 212 are located at respectively Two opposing end portions of guide rod 211, that is to say, that deformable part 214 is oppositely arranged with power reception portion 212 on guide rod 211. Deformable part 214 include notch 214a, respectively positioned at notch 214a both sides deformable 214b, positioned at deformable 214b from By the fastening part 214c of end.
The notch 214a is formed as:Free terminal along rotation axis L2 from guide rod 211 is to the side in power reception portion 212 To cutting so that the free terminal of guide rod 211 forms two deformable spaced 214b, thus, when deformable When 214b is acted on by external force, it can be deformed relative to power transfering part 213.
It is oblique that the fastening part 214c, which includes the fastening face 214c1 being disposed adjacent and guiding face 214c2, guiding face 214c2, Face, for receiving applied external force, two deformable 214b of guiding fasten face 214c1 towards Direction distortion close to each other For being fastened with drive gear 24, and then fixed power reception part 21, it is preferred that fastening face 214c1 is plane, along perpendicular to rotation The direction of shaft axis L2, the distance from rotation axis L2 to fastening face 214c1 outermosts are more than the diameter of the through-hole 245a, and From the free terminal of fastening face 214a to fastening part 214c, the distance of fastening part 214c to rotation axis L2/ rotation axis L21 by It is decrescence small.
When assembling power transmission 2, the deformable part 214 passes through the through-hole 245a on drive gear bottom wall, logical Under the squeezing action of hole 245a, guiding face 214c2 guides two deformable 214b and moves closer to, thus, fastening part 214c can To pass through through-hole 245a, after fastening part 214c passes completely through through-hole 245a, the fastening face 214c1 will be supported with bottom wall bottom surface 245c It connects, is combined so as to fulfill power reception part 21 with drive gear 24, and will not be detached from from drive gear 24.
Correspondingly, when needing to take out power reception part 21 from drive gear 24, it is only necessary to two deformable The fastening part 214c of 214b applies active force respectively so that two deformable 214b towards Direction distortion close to each other, and Power towards 212 direction of power reception portion is applied to fastening part 214c, you can release fastening face 214c1 and bottom wall bottom surface 245c's It abuts, so as to release the combination of power reception part 21 and drive gear 24.
As described above, between power reception part of the present invention and drive gear connected by orbicule, but Tight fit, therefore, handle box are not in the problem of power reception part comes off from handle box in transportational process.

Claims (10)

1. power transmission has rotation axis L2, including power reception part, movable part and drive gear, the movable part It is socketed on power reception part;
Movable part includes ontology, the convex block from body outer surface protrusion and the sliding slot from the extension of body internal surface exterior surface, The power reception part is combined with sliding slot;
Drive gear includes cylindrical gear mass, the gear cavity that gear mass is enclosed, from gear cavity side wall to far from rotation The holding tank of the direction extension of axis L2;
On the direction where rotation axis L2, the convex block is slideably received slot receiving;
Step surface is formed between holding tank and gear cavity;
It is characterized in that, the power reception part can extend and retract on the direction where rotation axis L2, work as power reception When part stretches out, convex block is located at first position, when power reception part is retracted, convex block positioned at than first position closer to step surface The second position.
2. power transmission according to claim 1, which is characterized in that convex on the direction where rotation axis L2 There is gap between block and step surface.
3. power transmission according to claim 2, which is characterized in that along the rotation axis L2 of power transmission, The length of convex block is less than the length of holding tank.
4. power transmission according to claim 3, which is characterized in that the power transmission is further included positioned at work Elastic component between moving part and drive gear.
5. power transmission according to claim 4, which is characterized in that the drive gear further includes and gear mass one The bottom wall that a end combines, one end of the elastic component are abutted with bottom wall, and the other end is abutted with movable part.
6. power transmission according to claim 5, which is characterized in that the power transmission is further included across dynamic There is through-hole and opposite top and bottom, fixing piece to be abutted with bottom surface for the fixing piece of power receiving element, the bottom wall.
7. power transmission according to claim 6, which is characterized in that the power reception part includes what is be connected with each other Guide rod and power reception portion and the power transfering part combined with guide rod, power reception portion are used to receive driving force from outside, move Power transfer part is used to pass the driving force that power reception part receives.
8. power transmission according to claim 7, which is characterized in that the movable part is two be separately set, Power transfering part is no more than sliding slot.
9. power transmission according to claim 7, which is characterized in that the movable part is two be separately set, On the direction vertical with rotation axis L2, the distance between sliding slot in described two movable parts is more than the two of power transfering part The distance between a end.
10. handle box, which is characterized in that handle box includes handle box housing and such as any one right in claim 1-9 It is required that the power transmission, the power transmission is removably mounted on the longitudinal direction end of handle box housing End.
CN201810079681.3A 2017-08-14 2018-01-26 Power transmission device and process cartridge Active CN108153128B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201721017777 2017-08-14
CN2017210177774 2017-08-14

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Publication Number Publication Date
CN108153128A true CN108153128A (en) 2018-06-12
CN108153128B CN108153128B (en) 2024-01-30

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CN201820144503.XU Active CN207992695U (en) 2017-08-14 2018-01-26 Power reception part, power transmission and handle box
CN201810079682.8A Active CN108153129B (en) 2017-08-14 2018-01-26 Power transmission device and process cartridge
CN201810079681.3A Active CN108153128B (en) 2017-08-14 2018-01-26 Power transmission device and process cartridge
CN201820144498.2U Withdrawn - After Issue CN207992694U (en) 2017-08-14 2018-01-26 Power transmission and handle box
CN201820144379.7U Active CN207992693U (en) 2017-08-14 2018-01-26 Power reception part, power transmission and handle box
CN201820144326.5U Active CN207992692U (en) 2017-08-14 2018-01-26 Power transmission and handle box
CN201820152155.0U Active CN207992696U (en) 2017-08-14 2018-01-26 Power transmission and handle box

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CN108153129B (en) 2024-01-30
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CN207992694U (en) 2018-10-19
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CN207992696U (en) 2018-10-19
CN108153129A (en) 2018-06-12

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