WO2019101064A1 - 动力接收部件以及粉筒 - Google Patents

动力接收部件以及粉筒 Download PDF

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Publication number
WO2019101064A1
WO2019101064A1 PCT/CN2018/116401 CN2018116401W WO2019101064A1 WO 2019101064 A1 WO2019101064 A1 WO 2019101064A1 CN 2018116401 W CN2018116401 W CN 2018116401W WO 2019101064 A1 WO2019101064 A1 WO 2019101064A1
Authority
WO
WIPO (PCT)
Prior art keywords
power receiving
receiving member
rod
cylinder
movable portion
Prior art date
Application number
PCT/CN2018/116401
Other languages
English (en)
French (fr)
Inventor
罗琴
曹辉
丁戈明
曾丽坤
Original Assignee
纳思达股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 纳思达股份有限公司 filed Critical 纳思达股份有限公司
Priority to EP18880720.0A priority Critical patent/EP3709097B1/en
Publication of WO2019101064A1 publication Critical patent/WO2019101064A1/zh
Priority to US16/878,145 priority patent/US11016434B2/en

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Classifications

    • 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
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0877—Arrangements for metering and dispensing developer from a developer cartridge into the development unit
    • G03G15/0881—Sealing of developer cartridges
    • G03G15/0886—Sealing of developer cartridges by mechanical means, e.g. shutter, plug
    • 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
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0865—Arrangements for supplying new developer
    • G03G15/0867—Arrangements for supplying new developer cylindrical developer cartridges, e.g. toner bottles for the developer replenishing opening

Definitions

  • the present application relates to the field of printing technology, and in particular, to a power receiving component and a powder cartridge.
  • a toner cartridge is a replaceable consumable widely used in the field of electronic imaging for use in image forming apparatuses and to provide a developer for an image forming apparatus.
  • the image forming apparatus is an apparatus that forms an image on a recording material by an electrophotographic image forming processing technique, such as an electrophotographic copy, a laser printer, an electrophotographic printer, a facsimile machine, a word processor, or the like.
  • the existing powder cartridge mainly includes a cylinder body and a power receiving member.
  • the cylinder is filled with a large amount of developer; the cylinder is generally a columnar structure.
  • a power receiving member is usually provided on a side wall of one end in the longitudinal direction of the cylinder.
  • the power receiving member is coupled to the barrel.
  • the power receiving member receives the rotational driving force from the image forming apparatus, and transmits the rotational driving force to the other portion of the toner cartridge so that the toner cartridge can discharge the developer outward.
  • the powder discharge port for discharging the developer is located near the power receiving member or the power receiving member.
  • the portion of the conventional image forming apparatus that is connected to the toner cartridge is a rotational driving force transmitting member of the image forming apparatus.
  • the rotary driving force transmitting member is provided with a special structure in which a needle-like device is located at the center of the rotational driving force transmitting member and is substantially flush with the opening of the rotational driving force transmitting member.
  • the pushing device that surrounds the inner wall of the rotational driving force transmitting member retracts in a direction away from the powder cylinder, and then the rotational driving force transmitting member moves away from the powder cylinder, opens the opening of the toner cartridge, and the developer can flow out; when the image forming apparatus stops the imaging work
  • the rotational driving force transmitting member moves toward the powder cylinder to close the opening of the powder cylinder, and the pushing device that surrounds the inner wall of the rotational driving force transmitting member pushes toward the powder cylinder, and the rotational driving force is transmitted.
  • the part moves away from the powder cylinder and the powder can be removed at this time.
  • the driving tooth structure in the existing powder cartridge is locked with the internal meshing portion of the image forming apparatus, and the machine may be operated incorrectly, and the self may be caused. Poor sealing results in leakage of the developer in the toner cartridge, which pollutes the environment and affects image quality.
  • the application provides a power receiving component.
  • One end of the power receiving member is coupled to the barrel of the toner cartridge, and the other end is engageable with the rotational driving force transmitting member of the image forming apparatus to transmit the rotational driving force to the cylindrical body.
  • the rotational driving force transmitting member is engaged with the power receiving member and the developer in the toner cartridge can enter the image forming device from the toner cartridge; After the toner cartridge is removed from the image forming apparatus, the developer in the toner cartridge no longer enters the outside from the powder cartridge, and the developer that will be stored in the toner cartridge during transportation and movement can be avoided. Leakage, causing pollution to the environment.
  • the present application provides a power receiving member including a connecting portion for connecting to a barrel, a driving head for receiving power from the image forming apparatus, and transmitting power to the connecting portion, a rod that is movable in the longitudinal direction of the barrel and abuttable with the driving head to fix the driving head relative to the connecting portion, one end connected to the connecting portion and the other end connected to the second elastic member of the driving head The other end of the rod is connected at one end to the first elastic member of the driving head. And when the power receiving member is in the first position, the second elastic member has a tendency to push the driving head away from the barrel.
  • the present application also provides a power receiving member including a connecting portion for connecting to a barrel, a driving head for receiving power from the image forming apparatus, and transmitting power to the connecting portion, along the Moving in the longitudinal direction of the cylinder and abutting against the driving head, the rod of the driving head fixed relative to the connecting portion, one end connected to the connecting portion and the other end connected to the second elastic member of the driving head, one end The other end of the connecting joint connects the third elastic member of the rod.
  • the second elastic member has a tendency to push the driving head away from the barrel.
  • the present application also provides a power receiving member including a connecting portion for connecting to a barrel, a driving head for receiving power from the image forming apparatus, and transmitting power to the connecting portion, along the Moving in the longitudinal direction of the cylinder and abutting against the driving head, the rod of the driving head fixed relative to the connecting portion, one end connected to the connecting portion and the other end connected to the second elastic member of the driving head, one end
  • the other end of the connecting portion is connected to the third elastic member of the rod, and the other end of the connecting rod is connected to the first elastic member of the driving head.
  • the second elastic member has a tendency to push the driving head away from the barrel.
  • the present application also provides a powder cartridge using any of the above-described power receiving members, the second elastic member, and the first when the powder cartridge is installed in the image forming apparatus
  • the cooperation of the elastic member and/or the third elastic member causes the powder cartridge to be automatically opened; when the toner cartridge is removed from the image forming apparatus, the toner cartridge is automatically sealed, thereby avoiding the prior art.
  • the driving tooth structure of the powder cylinder and the internal meshing of the image forming apparatus are locked, which also reduces the possibility of error in the operation of the machine, improves the self-sealing property, and effectively prevents the developer in the powder cylinder from leaking, thereby polluting the environment. And the situation that affects the quality of the image.
  • FIG. 1 is a perspective view of a power receiving member in the first embodiment
  • Figure 2 is a cross-sectional view showing the power receiving member of the first embodiment taken along the longitudinal direction of the power receiving member;
  • Figure 3 is a perspective view of the connecting portion in the first embodiment
  • Figure 4 is a cross-sectional view showing the connecting portion of the first embodiment taken along the longitudinal direction of the power receiving member
  • Figure 5 is a perspective view of the driving head in the first embodiment
  • Figure 6 is a cross-sectional view of the driving head taken along the length direction of the power receiving member in the first embodiment
  • Figure 7 is a perspective view of the stopper of the first embodiment
  • Figure 8 is a perspective view of the movable portion in the first embodiment
  • FIGS. 9 and 10 are perspective views of different angles of the rod in the first embodiment
  • Figure 11 is a perspective view of the movable portion of the second embodiment
  • Figure 12 is a perspective view of the power receiving member of the second embodiment
  • Figure 13 is a perspective view of the power receiving member of the third embodiment
  • Figure 14 is an exploded view showing the structure of the first movable portion, the second movable portion, and the driving head;
  • Figure 15 is a cross-sectional view of the first movable portion, the second movable portion, and the drive head explosion structure taken along a plane passing through the rotation axis of the power receiving member;
  • Figure 16 is a perspective view of the drive head of the fourth embodiment.
  • the present embodiment provides a power receiving member for a toner cartridge that enables the toner cartridge to receive a rotational driving force supplied from an image forming apparatus.
  • 1 to 10 are schematic views of the power receiving member involved in the embodiment.
  • FIG. 1 is a perspective view of a power receiving member
  • FIG. 2 is a cross-sectional view of the power receiving member taken along the longitudinal direction of the power receiving member.
  • the power receiving member includes a connecting portion 110, a driving head 120, a stopper 130, a movable portion 140, a rod 150, and three elastic members - a first elastic member 161, a second elastic member 162, and a third elastic member 163.
  • FIG. 3 is a perspective view of the connecting portion 110
  • FIG. 4 is a cross-sectional view of the connecting portion 110 taken along the longitudinal direction of the power receiving member.
  • the connecting portion 110 may include a first abutting surface 111, a fixing protrusion 112, a tenon 113, and a buckle 114.
  • the buckle 114 is used to connect with the barrel of the powder cartridge.
  • 5 is a perspective view of the drive head 120
  • FIG. 6 is a cross-sectional view of the drive head 120 taken along the longitudinal direction of the power receiving member.
  • the driving head 120 may include a driving tooth 121, a fixing rod 122, a second abutting surface 123, a first limiting hole 124, a limiting protrusion 125, a transmission rod 126, a guiding groove 127 and an eighth abutting surface 128.
  • the driving teeth 121 are convex in a direction perpendicular to the longitudinal direction of the power receiving member, and are connected to the fixing rod 122.
  • the driving tooth 121 has a side surface in the direction of the cylinder near the powder cylinder, and the side surface is a driving sub-bevel inclined surface 1211 which is inclined in the longitudinal direction of the powder cylinder toward the cylinder away from the powder cylinder.
  • the free end of the fixing rod 122 projecting from the second abutting surface 123 is connected to the driving tooth 121.
  • a hollow protrusion 1241 is disposed around the first limiting hole 124 along the length direction of the power receiving component, and a limiting slot 1242 is further disposed on the inner wall of the hollow protrusion 1241.
  • a third abutting surface 1251 is disposed on the free end of the limiting protrusion 125.
  • the transmission rod 126 protrudes from the eighth abutting surface 128 along the longitudinal direction of the power receiving member toward the cylinder of the powder cylinder.
  • the free end of the transmission rod 126 is provided with a protrusion 1261.
  • the protrusion 1261 is provided with The fourth abutting surface 1262, the fifth abutting surface 1263, the sixth abutting surface 1264, and the seventh abutting surface 1265.
  • the guide groove 127 penetrates the second abutting surface 123 and the eighth abutting surface 128, and forms a guiding hole 1271.
  • the bump 1261 can be caught on the tenon 113 of the connecting portion 110.
  • the transmission rod 126 is elastically deformable such that the projection 1261 can be displaced to some extent, so that the drive head 120 can be tightly coupled to the connection portion 110.
  • the provision of the driving under-slopes 1211 on the driving teeth 121 allows the driving head 120 to be jammed when it is disengaged from the image forming apparatus, thereby affecting the toner removing process.
  • FIG. 7 is a perspective view of the stopper 130.
  • the stopper 130 may include a fixing portion 131, a blocking portion 132, a transmission hole 133, a powder passage hole 134, a second limiting hole 135, a tenth abutting surface 136, and an eleventh abutting surface 137.
  • the fixing portion 131 is further provided with a fixing groove 1311.
  • the fixing groove 1311 can be connected to the fixing protrusion 112 of the connecting portion 110.
  • the blocking portion 132 is further provided with a limit of the driving head 120.
  • the ninth abutting surface 1321 abuts on the third abutting surface 1251 of the protrusion 125.
  • the blocking portion 132 can be disposed not only between the tenth abutting surface 136 and the eleventh abutting surface 137, but also by changing the position of the fixing protrusion 112 on the connecting portion 110, or the limiting protrusion 125 is The distance over which the driving head 120 protrudes, or the height of the fixing portion 131 on the stopper 130, places the blocking portion 132 on the fixing portion 131.
  • the separate arrangement of the stopper 130 and the connecting portion 110 not only reduces the difficulty of the entire production process, but also reduces the difficulty of reworking the defective product; the setting of the powder passage hole 134 and the transmission hole 133 enables the developer in the cylinder to be smoothly smoothed The outflow will not cause blockage.
  • FIG. 8 is a perspective view of the movable portion 140.
  • the movable portion 140 may include a twelfth abutting surface 141, a connecting rod 142, a push rod 143, a third limiting hole 144, a thirteenth abutting surface 145, and a fourteenth abutting surface 146.
  • the number of the push rods 143 is optionally two, extending from a direction perpendicular to the fourteenth abutting surface 146.
  • the pusher 143 has a forced pusher free end 1431.
  • the twelfth abutting surface 141 may abut against the pushing means in the image forming apparatus, and optionally, the structure including the twelfth abutting surface 141 is connected by the connecting rod 142.
  • the driving head 120 is pushed by the movable portion 140, especially directly on the deformable transmission rod 126, so that the driving head 120 does not appear to be stuck during the movement toward the cylinder, and the transmission rod 126 is reduced in long-term use. The risk of breakage afterwards.
  • the provision of the sixth abutment surface 1264 on the drive head 120 also reduces the adverse effect of the contact of the drive rod 126 with the push rod free end 1431 on the life of the drive rod 126.
  • the rod 150 may include a rod body 151, a pushing block 152, a connecting rod 153, and a rod cap 154.
  • the rod body 151 is optionally provided with a groove 1511.
  • One end of the rod body 151 is provided with a rod cap 154, and the other end is connected with the connecting rod 153.
  • the forcible pushing block 152 is provided with a fifteenth abutting surface 1521, and the rod cap 154 is provided with a sixteenth abutting surface, and the sixteenth abutting surface can abut against the needle device of the image forming apparatus.
  • the rod cap 154 is optionally provided with an anti-lost protrusion 1543 to limit the range of motion of the rod 150.
  • the connecting rod 153 connects the rod body 151 and the pushing block 152.
  • the rod cap 154 is coupled to the rod body 151.
  • the rod body 151 is provided with a triangular protrusion 1512.
  • the rod cap corresponding to the setting window 1542 causes the triangular protrusion 1512 to protrude from the window 1542, thereby mounting the rod cap 154 on the rod cap 154.
  • the groove 1511 on the rod body 151 can accommodate the first elastic member 161.
  • the anti-lost protrusion 1543 of the rod cap 154 on the rod 150 is located in the limiting groove 1242 of the hollow protrusion 1241 of the driving head 120, thereby preventing the rod 150 from being deflected during the rotation to push the rod 150.
  • the fifteenth abutting surface 1521 on the 152 is incapable of abutting against the seventh abutting surface 1265 on the drive rod 126 of the drive head 120.
  • the fifteenth abutting surface 1521 and the seventh abutting surface 1265 of the driving head are inclined in a direction away from the cylinder along the longitudinal direction of the cylinder, thereby facilitating abutment, making the transmission rod 126 on the driving head 120 easier.
  • the deformation occurs, and the free end of the transmission rod 126 is more easily caught on the tenon 113.
  • the fixing protrusion 112 of the connecting portion 110 abuts the transmission rod 126 of the driving head 120, and transmits the rotational driving force from the driving head 120 to the connecting portion 110; in the present application, the fixing convex portion of the connecting portion 110
  • the block 112 is connected to the stopper 130.
  • the transmission rod 126 on the driving head 120 abuts against the transmission hole 133 on the stopper 130, and transmits the rotational driving force from the driving head 120 to the stopper 130, and then from the stopper 130 to Connection portion 110.
  • the first abutting surface 111 on the connecting portion 110 abuts the eighth abutting surface 128 on the driving head 120.
  • the third abutting surface 1251 of the limiting protrusion 125 of the driving head 120 abuts the ninth abutting surface 1321 of the blocking portion 132 of the stopper 130, and the fifteenth of the pressing block 152 of the rod 150
  • the junction 1521 abuts the seventh abutment surface 1265 of the drive rod 126 of the drive head 120.
  • the tenon 113 of the connecting portion 110 abuts against the fourth abutting surface 1262 of the driving rod 126 of the driving head 120.
  • the two ends of the first elastic member 161 are respectively connected to the rod cap 154 of the rod 150 and the thirteenth abutting surface 145 of the movable portion 140.
  • the two ends of the second elastic member 162 are respectively connected to the fourteenth abutment on the movable portion 140.
  • the face 146 is between the tenth abutment surface 136 on the stop 130.
  • the first elastic member and the second elastic member can also be abutted at both ends.
  • a third elastic member is further disposed.
  • the two ends of the third elastic member 163 are respectively connected to the eleventh abutting surface 137 on the stopper 130 and the connecting rod 153 of the rod 150.
  • the transmission rod 126 of the driving head 120 passes through the transmission hole 133 of the stopper 130, and when the driving head rotates, the stopper 130 and the connecting portion 110 can be rotated together.
  • the connecting rod 142 of the movable portion 140 is located in the guiding groove 127 on the driving head and passes through the guiding hole 1271.
  • the fixing groove 1311 on the fixing portion 131 of the stopper 130 is connected to the fixing protrusion 112 of the connecting portion 110 to fix the stopper 130 on the connecting portion 110.
  • the rod 150 passes through the first limiting hole 124 on the driving head 120, the second limiting hole 135 on the stopper 130, and the third limiting hole 144 on the movable portion 140.
  • the second elastic member 162 has a tendency to push the driving head to move away from the toner cartridge. At this time, it is the first position of the power receiving member, at which time the entire powder cartridge is in a sealed state, and the developer in the powder cylinder is isolated from the outside.
  • the fifteenth abutting surface 1521 of the pushing block 152 of the rod 150 is separated from the seventh abutting surface 1265 of the driving rod 126 of the driving head 120, so that the fourth abutting surface on the elastic transmission rod 126 is provided.
  • 1262 is separated from the tenon 113 of the connecting portion 110.
  • the second elastic member 162 is in a compressed state, and drives the driving head 120 and the movable portion 140 to move away from the cylinder of the powder cylinder, so that the first abutting surface 111 on the connecting portion 110 and the driving head 120 are
  • the eight abutting faces 128 are separated, and a powdery powder discharging port is formed between the two, and the developer in the cylinder of the toner cartridge can be transmitted to the powder discharging port through the powder passing hole 134 on the stopper 130. Thereby, the developer can be delivered to the image forming apparatus. This is the second position of the power receiving member.
  • the urging means of the rotational driving force transmitting member of the image forming apparatus abuts against the twelfth abutting surface 141 on the movable portion 140, and moves the movable portion 140 toward the cylinder of the powder drum.
  • the movable portion 140 then returns to the second position of the power receiving member.
  • the driving tooth 121 of the driving head obtains the rotational driving force from the rotational driving force transmitting member, and then transmits it to the stopper 130 through the fixing rod 122 and the transmission rod 126 of the driving head 120, and then transmits it to the connecting portion 110, and finally drives the cylinder of the powder cylinder. Body movement together.
  • the pushing device of the rotational driving force transmitting member of the image forming apparatus abuts the twelfth abutting surface 141 on the movable portion 140, and causes the movable portion 140 to be powdered.
  • the cylinder is moved in the direction of the cylinder.
  • the free end 1431 of the push rod 143 of the movable portion 140 abuts against the sixth abutting surface 1264 of the drive rod 126 of the drive head 120, and the drive head 120 and the movable portion 140 move toward the powder cylinder.
  • the movable portion 140 continues to move toward the cylinder of the powder cartridge.
  • the fourth abutting surface 1262 on the transmission rod 126 of the driving head 120 abuts against the tenon 113 of the connecting portion 110.
  • the entire powder cylinder moves in a direction away from the rotational driving force transmitting member, and the rod 150 moves in the direction of the rotary driving force transmitting member with respect to the powder cylinder, thereby returning the power receiving member to the first position.
  • the range of motion of the driving head 120 is limited by the third abutting surface on the limiting protrusion 125 on the driving head 120 and the ninth abutting surface 1321 on the blocking portion 132 of the stopper 130, and the range of motion of the movable portion 140 is affected.
  • the fourteenth abutment surface 146 on the portion 140 and the tenth abutment surface 136 on the stopper 130 are restricted.
  • the second elastic member 162 and the third elastic member 163 may be two ends of a spring mounted on the stopper 130; only the first elastic member 161 or the third elastic member 163 may be disposed to save cost, The first elastic member and the third elastic member may be simultaneously provided to ensure the stability of the member; a seal may be disposed between the first abutting surface 111 on the connecting portion 110 and the eighth abutting surface 128 on the driving head 120.
  • the power receiving member in this embodiment is substantially the same as that in the first embodiment, and the only difference is that the movable portion 140 in the present embodiment is further provided with an abutting block 147 and a support rod 148.
  • a support rod 148 is further disposed on the other surface of the connecting rod 142 with respect to the twelfth abutting surface 141.
  • the free end of the supporting rod 148 is further provided with an abutting block 147.
  • the support rod 148 and the abutment block 147 extend on the power receiving member in a direction away from the powder cylinder.
  • the abutting block 147 can abut against the side of the fixing rod 122 near the driving tooth 121, so that the driving tooth 121 does not interfere with the image forming device.
  • the interference causes the fixed rod 122 to be radially inwardly displaced with respect to the rotational axis of the power receiving member to affect the transmission of the rotational driving force.
  • the power receiving component in this embodiment is the same as that in the second embodiment, the only difference being that the shape of the movable portion 140 in this embodiment is slightly different from that of the second embodiment.
  • the twelfth abutting surface 141a is a slope which is not perpendicular to the rotation axis of the power receiving member, and the distance from the second abutting surface 141a to the powder cylinder is further. The closer the point is to the rotational axis of the power receiving member.
  • the support rod 148a is located at a position closest to the rotational axis of the power receiving member of the twelfth abutting surface 141a and protrudes away from the powder cylinder, and the support rod 148a supports the abutting block 147a.
  • the action of the support rod 148a and the abutment block 147a is the same as in the second embodiment.
  • the rotating shaft of the rotational driving force transmitting member may not be coaxial with the rotating shaft of the power receiving member, and there is a small amount of error between the two rotating shafts.
  • the power receiving member in the present embodiment can be jammed with respect to the power receiving member in the second embodiment without being interfered in the image forming apparatus.
  • such a design is more costly to produce and commission than the power receiving component of the second embodiment.
  • the embodiment has further improved the shape and structure of the parts based on other embodiments, but the entire power receiving
  • the principle of the component is the same as that of the power receiving component in the first embodiment.
  • the power receiving components involved in the embodiment mainly have the following changes:
  • the present embodiment is divided into a first movable portion 240a and a second movable portion 240b, as shown in FIGS. 14 and 15.
  • 14 is an exploded view showing the structure of the first movable portion 240a, the second movable portion 240b, and the drive head 220
  • FIG. 15 is a cross-sectional view of the member of FIG. 14 taken along a plane passing through the rotational axis of the power receiving member.
  • One end of the second movable portion 240b is in contact with one end of the first movable portion 240a, and the other end of the second movable portion 240b is for abutting against the image forming apparatus, and the other end of the first movable portion 240a is used to be in contact with the driving head 220.
  • the connecting rod 242 on the second movable portion can abut against the first movable portion 240a.
  • the first movable portion 240a does not come out due to the constraint of the rod 150 and the driving head 220.
  • the first movable portion 240a is basically the lower half of the movable portion 140 in the first embodiment, and includes a push rod 243, a third limiting hole 244, a thirteenth abutting surface 245, and The fourteenth abutment surface 246.
  • the push rod 243, the third limiting hole 244, the thirteenth abutting surface 245, and the fourteenth abutting surface 246 are all combined with the push rod 143, the third limiting hole 144, and the thirteenth in the first embodiment.
  • the joint 145 and the fourteenth abutment surface 246 have the same structure and function, and the rod 150 passes through the third limiting hole 244, and details are not described herein again.
  • the second movable portion 240b has an annular support block 241 through which the rod 150 can pass inside the ring formed by the support block 241.
  • the support block 241 protrudes from the connecting rod 242 in the direction of the powder cylinder.
  • the connecting rod 242 is located between two adjacent fixing rods 222, and the two adjacent fixing rods 222 constrain the position of the connecting rod 242, similar to the guiding groove 127 in the first embodiment.
  • the support block 241 sequentially has a guide surface 241a and a contact end 241b extending away from the direction of the powder cylinder.
  • the guide surface 241a and the contact end 241b are for abutting against the image forming apparatus.
  • the connecting rod 242 has a one-to-one correspondence with the guiding surface 241a and the contact end 241b with respect to the supporting block 241.
  • the connecting rod 242 abuts the seventeenth abutting surface 247 of the first movable portion 240a closest to the second movable portion 240b.
  • the seventeenth abutting surface 247 is disposed on a side away from the direction of the powder cylinder
  • the fourteenth abutting surface 246 is disposed on a side close to the powder cylinder
  • the abutting faces 246 are disposed in opposite directions
  • the seventeenth abutting faces 247 are annular faces. This design not only makes the installation process easier, but also makes the part processing easier.
  • the fourteenth abutting surface 246 in this embodiment functions similarly to the fourteenth abutting surface 146 in the first embodiment, but is compared with the fourteenth abutting surface 146 in the first embodiment.
  • An annular projection is provided around the fourteenth abutting surface 246 to prevent the deflection of the elastic member during production assembly from affecting the production efficiency.
  • the second movable portion 240b includes the support block 241, and the support block 241 extends in the direction away from the powder cylinder.
  • the imaginary circle surrounded by the contact end 241b is smaller than the radius of the circle surrounded by the support block 241, that is, the distance between the contact end 241b and the rotation axis of the power receiving member is smaller than the distance between the support block 241 and the rotation axis of the power receiving member. Therefore, the further the guide surface 241a is away from the direction of the powder cylinder, the smaller the distance from the rotation axis of the power receiving member.
  • Such a design makes it possible for the second movable portion 241b to better abut against the rotational driving force transmitting member of the image forming apparatus during the mounting of the toner cartridge onto the image forming apparatus, preventing the image forming apparatus from being worn due to the long use time.
  • the rotating shaft of the power receiving member ie, the rotating shaft of the toner cartridge, the two are coaxial
  • the rotating shaft of the rotational driving force transmitting member on the image forming apparatus are not coaxial, causing a collision when the toner cartridge is mounted, causing the image to be formed. The normal operation of the device.
  • the power receiving member in the embodiment deletes the limiting protrusion, and directly uses the transmission rod 226 to pass through the transmission hole 133 and the transmission hole.
  • the hole wall of 133 abuts as shown in FIG. This can reduce component structural complexity and reduce costs.
  • the blocking portion 132 may not be disposed on the stopper 130.
  • the stopper 130 provided with the blocking portion 132 in the first embodiment can also be fully applied to the power receiving component in the embodiment, but the blocking portion 132 no longer functions, so that the materials are universally used to save the number of mold opening times and reduce the cost. .
  • the hollow protrusion 1241 is no longer provided to constrain the rod 150, and only the rod 150 is installed inside the structure enclosed by the fixing rod 222.
  • the fixing rods 222 of the embodiment support the driving teeth 121.
  • the fixing rods 222 in this embodiment are disposed in four, and two of the fixing rods 222 that are axially symmetrical with respect to the power receiving member are provided with driving teeth. 221a, the other two fixing rods 222 about the axis of rotation of the power receiving member are not provided with driving teeth 221a, as shown in FIG.
  • the wiring of the two fixing rods 222 provided with the driving teeth 221a is orthogonal to the wiring of the two fixing rods 222 where the driving teeth 221a are not provided.
  • other numbers of fixing rods 222 and driving teeth 221a may be provided, but at least two fixing rods 222 including driving teeth 221a should be included.
  • a stopper tooth 221b for preventing the second movable portion 240a from coming out is further provided on the fixing rod 222.
  • the limiting teeth 221b may also be disposed only on the partial fixing rods 222, but at least two of the fixing rods 222 may include the limiting teeth 221b.
  • the limiting teeth 221b do not participate in the work, and the only function of the limiting teeth 221b in this embodiment is to prevent the second movable portion 240a from coming out.
  • the fewer driving teeth in this embodiment can make the meshing process smoother, and further reduce the meshing difficulty caused by the interference between the driving teeth and the image forming apparatus.
  • the power receiving component and the powder cartridge provided by the embodiments of the present application can prevent the driving tooth structure of the powder cartridge in the prior art from being locked with the internal meshing portion of the image forming apparatus, and also reduce the possibility of error in the operation of the machine, and improve the self-sealing. Sex, which effectively prevents the developer in the toner cartridge from leaking, and pollutes the environment and affects the image quality.

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Abstract

一种动力接收部件和粉筒，粉筒包括筒体及动力接收部件，动力接收部件用于从图像形成装置上接收动力并传递给筒体，动力接收部件内部设置有第二弹性件（162），第二弹性件（162）一端连接连接部（110），另一端连接驱动头（120）；当动力接收部件位于第一位置时，第二弹性件（162）有推动驱动头（120）向远离筒体方向运动的趋势。动力接收部件还包含第一弹性件（161）和/或第三弹性件（163）。动力接收部件使粉筒安装到图像形成装置上后，可以自动产生开口并在使用时出粉，不使用时关闭不出粉，防止粉筒内的显影剂泄露产生污染和危害。

Description

动力接收部件以及粉筒
相关申请的交叉引用
本申请要求于2017年11月23日提交中国专利局的申请号为201721598738.8、名称为“动力接收部件及粉筒”的中国专利申请的优先权和2018年06月28日提交中国专利局的申请号为201821014015.3、名称为“动力接收部件及粉筒”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及打印技术领域，尤其涉及一种动力接收部件和粉筒。
背景技术
粉筒是一种广泛用于电子成像领域可替换耗材，用于图像形成装置上并为图像形成装置提供显影剂。图像形成装置是通过电照相成像处理技术在记录材料上形成图像的设备，例如：电子照相复印件、激光打印机、电子照相打印机、传真机、文字处理机等。
现有的粉筒主要包含筒体和动力接收部件。筒体内装有大量显影剂；筒体一般是柱状结构。通常在筒体长度方向的一端的侧壁上设置有动力接收部件。动力接收部件与筒体连接。动力接收部件从图像形成装置中接收旋转驱动力，再将旋转驱动力传递到粉筒的其他部分上，使粉筒可以向外排出显影剂。通常粉筒用于排出显影剂的出粉口位于动力接收部件附近或动力接收部件上。
现有的图像形成装置与粉筒相连的部分是图像形成装置的旋转驱动力传递部件。旋转驱动力传递部件设置有特殊的结构，有一个针状装置位于旋转驱动力传递部件的中心，并与旋转驱动力传递部件的开口处基本平齐。当粉筒安装在图像形成装置上时，旋转驱动力传递部件向粉筒方向运动，旋转驱动力传递部件的针状装置相应的深入动力接收部件的内部。之后环绕旋转驱动力传递部件内壁的推动装置沿远离粉筒的方向收回，然后旋转驱动力传递部件向远离粉筒方向运动，将粉筒打开开口，显影剂可以流出；当图像形成装置停止成像工作，将粉筒从图像形成装置上卸下时，旋转驱动力传递部件向粉筒方向运动将粉筒开口关闭，环绕旋转驱动力传递部件的内壁的推动装置向粉筒方向推动，旋转驱动力传递部件向远离粉筒方向运动，此时可以将粉筒取出。由于现有的粉筒结构设计不佳、使用不规范等原因，会导致现有的粉筒中的驱动齿结构与图像形成装置内部啮合处锁死，以及可能导致机器运行出现差错，还会造成自身封闭不良，致使粉筒中的显影剂泄露而污染环 境以及影响成像品质。
发明内容
本申请提供了一种动力接收部件。所述动力接收部件一端连接在粉筒的筒体上，另一端可与图像形成装置的旋转驱动力传递部件啮合，从而将旋转驱动力传递给所述筒体。当所述粉筒在所述图像形成装置中工作时，所述旋转驱动力传递部件与所述动力接收部件啮合且所述粉筒中的显影剂可以从所述粉筒进入所述图像形成装置；当所述粉筒从所述图像形成装置中取下后，所述粉筒中的显影剂不再从所述粉筒进入外界，可避免粉筒在运输、移动时将储存在粉筒中的显影剂泄露，对环境造成污染。
进一步地，本申请提供了一种动力接收部件，所述动力接收部件包括用于与筒体连接的连接部、用于从图像形成装置上接收动力并向所述连接部传递动力的驱动头、可沿筒体长度方向进行运动且可与所述驱动头抵接使所述驱动头相对于所述连接部固定的杆、一端连接所述连接部另一端连接所述驱动头的第二弹性件、一端连接所述杆另一端连接所述驱动头的第一弹性件。且当所述动力接收部件位于第一位置时，所述第二弹性件有推动所述驱动头远离所述筒体方向的趋势。
本申请还提供了一种动力接收部件，所述动力接收部件包括用于与筒体连接的连接部、用于从图像形成装置上接收动力并向所述连接部传递动力的驱动头、可沿筒体长度方向进行运动且可与所述驱动头抵接使所述驱动头相对于所述连接部固定的杆、一端连接所述连接部另一端连接所述驱动头的第二弹性件、一端连接连接部另一端连接所述杆的第三弹性件。且当所述动力接收部件位于第一位置时，所述第二弹性件有推动所述驱动头远离所述筒体方向的趋势。
本申请还提供了一种动力接收部件，所述动力接收部件包括用于与筒体连接的连接部、用于从图像形成装置上接收动力并向所述连接部传递动力的驱动头、可沿筒体长度方向进行运动且可与所述驱动头抵接使所述驱动头相对于所述连接部固定的杆、一端连接所述连接部另一端连接所述驱动头的第二弹性件、一端连接连接部另一端连接所述杆的第三弹性件、一端连接所述杆另一端连接所述驱动头的第一弹性件。且当所述动力接收部件位于第一位置时，所述第二弹性件有推动所述驱动头远离所述筒体方向的趋势。
本申请还提供了一种粉筒，所述粉筒使用上述任意一种动力接收部件，当所述粉筒安装进所述图像形成装置中时，所述第二弹性件，及所述第一弹性件和/或所述第三弹性件的配合会使所述粉筒自动打开；当粉筒从图像形成装置中取下后，所述粉筒会自动被密封，从而避免了现有技术中粉筒的驱动齿结构与图像形成装置内部啮合处锁死的情况发生，也降低了机器运行出现差错的可能性，提高了自身密闭性，进而有效防止了粉筒中的显影剂 泄露，而污染环境以及影响成像品质的情况发生。
附图说明
图1为实施例一中动力接收部件的立体视图；
图2为实施例一中动力接收部件沿动力接收部件长度方向剖开后的剖面图；
图3为实施例一中连接部的立体视图；
图4为实施例一中连接部沿动力接收部件长度方向剖开后的剖面图；
图5为实施例一中驱动头的立体视图；
图6为实施例一中驱动头沿动力接收部件长度方向剖开后的剖面图；
图7为实施例一中挡块的立体视图；
图8为实施例一中活动部的立体视图；
图9、图10为实施例一中杆的不同角度的立体视图；
图11为实施例二中活动部的立体视图；
图12为实施例二中动力接收部件的立体视图；
图13为实施例三中动力接收部件的立体视图；
图14是第一活动部、第二活动部和驱动头的结构爆炸视图；
图15是第一活动部、第二活动部和驱动头爆炸结构沿过动力接收部件旋转轴的面剖切的剖面图；
图16为实施例四中驱动头的立体视图。
具体实施方式
实施例一
本实施例提供了一种动力接收部件，用于粉筒，使粉筒能够接收来自图像形成装置提供的旋转驱动力。如图1至图10所示为本实施例中涉及的动力接收部件的示意图。
图1为动力接收部件的立体视图，图2为动力接收部件沿动力接收部件长度方向剖开后的剖面图。动力接收部件包括连接部110、驱动头120、挡块130、活动部140、杆150，以及三个弹性件——第一弹性件161、第二弹性件162和第三弹性件163。
图3为连接部110的立体视图，图4为连接部110沿动力接收部件长度方向剖开后的剖面图。连接部110可以包括第一抵接面111、固定凸块112、凸檐113和卡扣114。其中，卡扣114用于和粉筒的筒体连接。图5为驱动头120的立体视图，图6为驱动头120沿动力接收部件长度方向剖开后的剖面图。驱动头120可以包括驱动齿121、固定杆122、第二抵接面123、第一限位孔124、限位凸起125、传动杆126、导向槽127和第八抵接面128。 其中，驱动齿121沿垂直于动力接收部件长度方向的方向凸起，并连接固定杆122。驱动齿121上有一个靠近粉筒的筒体方向的侧面，该侧面为驱动齿下斜面1211，驱动齿下斜面1211沿粉筒长度方向朝向远离粉筒的筒体的方向倾斜。从第二抵接面123上伸出的固定杆122的自由端连接驱动齿121。可选地，环绕第一限位孔124设置有沿动力接收部件长度方向的中空凸起1241，中空凸起1241的内壁上还设置有限位槽1242。限位凸起125的自由端上设置有一个第三抵接面1251。传动杆126从第八抵接面128沿着动力接收部件长度方向向粉筒的筒体方向伸出，传动杆126的自由端上设置有凸块1261，可选地，凸块1261上设置有第四抵接面1262、第五抵接面1263、第六抵接面1264和第七抵接面1265。导向槽127贯穿第二抵接面123和第八抵接面128，并形成导向孔1271。可选地，传动杆126为两个，固定杆122和驱动齿121各四个，导向槽127和导向孔1271各四个。凸块1261可卡在连接部110的凸檐113上。传动杆126具有弹性可形变，使得凸块1261可以在一定程度上发生位移，从而使驱动头120可与连接部110紧密连接。驱动齿121上设置驱动齿下斜面1211可以使驱动头120在脱离图像形成装置时不会被卡住而影响粉筒取下过程。
图7为挡块130的立体视图。挡块130可以包括固定部131、阻挡部132、传动孔133、通粉孔134、第二限位孔135、第十抵接面136和第十一抵接面137。其中，固定部131上还可选地设置有一个固定凹槽1311，该固定凹槽1311可与连接部110的固定凸块112连接，阻挡部132上还设有一个可与驱动头120的限位凸起125上的第三抵接面1251抵接的第九抵接面1321。进一步地，阻挡部132不仅可以设置在第十抵接面136和第十一抵接面137之间，也可以通过改变固定凸块112在连接部110上的位置，或限位凸起125在驱动头120上伸出的距离，或挡块130上的固定部131的高度，将阻挡部132设置在固定部131上。挡块130与连接部110的分体设置不仅使整个生产加工过程的难度降低，也使残次品的再加工难度降低；通粉孔134和传动孔133的设置使筒体内的显影剂能够顺畅的流出，不会造成堵塞。
图8为活动部140的立体视图。活动部140可以包括第十二抵接面141、连接杆142、迫推杆143、第三限位孔144、第十三抵接面145和第十四抵接面146。其中，迫推杆143数量可选地为两个，从垂直于第十四抵接面146的方向伸出。迫推杆143上有一个迫推杆自由端1431。第十二抵接面141可与图像形成装置内的推动装置相抵接，可选地，包含第十二抵接面141的结构通过连接杆142连接。通过活动部140推动驱动头120，尤其是直接作用在可形变的传动杆126上，使驱动头120在向筒体方向运动的过程中不会出现卡顿，也降低了传动杆126在长期使用后发生断裂的风险。驱动头120上设置第六抵接面1264也降低传动杆126与迫推杆自由端1431的接触对传动杆126的寿命的不利影响。
图9、图10为杆150不同角度的立体视图。杆150可以包含杆体151、迫推块152、连 接杆153和杆帽154。其中，杆体151上可选地设置有槽1511，杆体151的一端设置有杆帽154，另一端与连接杆153相连。迫推块152上设置有第十五抵接面1521，杆帽154上设置有第十六抵接面，该第十六抵接面可与图像形成装置的针状装置抵接。杆帽154上可选地设置有防丢凸起1543，以限制杆150的运动范围。连接杆153连接杆体151和迫推块152。杆帽154和杆体151连接，可选地，杆体151上设置有一个三角形凸块1512，杆帽对应的设置窗口1542，使得三角形凸块1512从窗口1542中伸出，从而将杆帽154安装在杆体151上。杆体151上的槽1511可以容纳第一弹性件161。可选地，杆150上的杆帽154的防丢凸起1543位于驱动头120的中空凸起1241上的限位槽1242中，从而防止转动过程中杆150发生偏转使杆150的迫推块152上的第十五抵接面1521与驱动头120的传动杆126上的第七抵接面1265无法抵接。第十五抵接面1521与驱动头上第七抵接面1265均沿所述筒体长度方向朝向远离筒体的方向倾斜，从而更加容易抵接，使驱动头120上的传动杆126更容易发生形变，传动杆126的自由端更容易卡在凸檐113上。
在现有技术中，连接部110的固定凸块112与驱动头120的传动杆126相抵接，将旋转驱动力从驱动头120传递到连接部110；在本申请中，连接部110的固定凸块112与挡块130连接，驱动头120上的传动杆126通过与挡块130上的传动孔133抵接，将旋转驱动力从驱动头120传递到挡块130，再从挡块130传递到连接部110。
当动力接收部件组装完成后，安装在粉筒的筒体上时，如图1和图2，连接部110上的第一抵接面111与驱动头120上的第八抵接面128相抵接，驱动头120的限位凸起125上的第三抵接面1251与挡块130的阻挡部132上的第九抵接面1321相抵接，杆150的迫推块152上的第十五抵接面1521与驱动头120的传动杆126上的第七抵接面1265相抵接。连接部110的凸檐113与驱动头120的传动杆126上的第四抵接面1262相抵接。第一弹性件161两端分别连接于杆150的杆帽154与活动部140上的第十三抵接面145，第二弹性件162两端分别连接于活动部140上的第十四抵接面146与挡块130上的第十抵接面136之间。当然，第一弹性件和第二弹性件两端也可以使用抵接的方式。可选地，还设置有第三弹性件，第三弹性件163两端分别连接于挡块130上的第十一抵接面137与杆150的连接杆153。驱动头120的传动杆126穿过挡块130上的的传动孔133，并在驱动头旋转时，可以带动挡块130及连接部110共同转动。活动部140的连接杆142位于驱动头上的导向槽127中，并穿过导向孔1271。挡块130的固定部131上的固定凹槽1311与连接部110的固定凸块112连接，使挡块130固定在连接部110上。杆150依次穿过驱动头120上的第一限位孔124、挡块130上的第二限位孔135、活动部140上的第三限位孔144。此时第二弹性件162有推动所述驱动头向远离粉筒方向运动的趋势。此时为动力接收部件的第一位置，此时整个粉筒处于密封状态，粉筒内的显影剂与外界隔离。
当粉筒安装到图像成形装置中准备开始出粉时，在安装过程中，图像成形装置的旋转驱动力传递部件内的针状装置与杆150的杆帽154上的第十六抵接面1541相抵接，并推动杆150向远离图像成形装置的方向运动。此时杆150的迫推块152上的第十五抵接面1521与驱动头120的传动杆126上的第七抵接面1265分离，使具有弹性的传动杆126上的第四抵接面1262与连接部110的凸檐113分离。第二弹性件162由于处于被压缩的状态，带动驱动头120和活动部140向远离粉筒的筒体的方向运动，使连接部110上的第一抵接面111与驱动头120上的第八抵接面128分离，并在两者之间产生一个可出粉的出粉口，粉筒的筒体中的显影剂能够通过挡块130上的通粉孔134传递到此出粉口附近，从而可将显影剂传递到图像形成装置中。此时为动力接收部件的第二位置。图像形成装置的旋转驱动力传递部件的推动装置抵接活动部140上的第十二抵接面141，并使活动部140向粉筒的筒体方向运动。之后活动部140又回到动力接收部件的第二位置。驱动头的驱动齿121从旋转驱动力传递部件中获取旋转驱动力，再通过驱动头120的固定杆122和传动杆126传递给挡块130，再传递给连接部110，最后带动粉筒的筒体共同运动。
当图像形成装置停止形成图像，准备将粉筒取下时，图像形成装置的旋转驱动力传递部件的推动装置抵接活动部140上的第十二抵接面141，并使活动部140向粉筒的筒体方向运动。活动部140的迫推杆143的自由端1431与驱动头120的传动杆126上的第六抵接面1264相抵接，驱动头120和活动部140向粉筒方向运动。当驱动头120上的第八抵接面128与连接部110上的第一抵接面111抵接后，活动部140继续向粉筒的筒体方向运动。随着活动部140的继续运动，驱动头120的传动杆126上的第四抵接面1262与连接部110的凸檐113相抵接。当活动部140继续运动时，粉筒整体向远离旋转驱动力传递部件的方向运动，杆150相对于粉筒向旋转驱动力传递部件方向运动，从而使动力接收部件恢复到第一位置。
驱动头120的运动范围受到驱动头120上的限位凸起125上的第三抵接面与挡块130的阻挡部132上的第九抵接面1321限制，活动部140的运动范围受活动部140上第十四抵接面146和挡块130上的第十抵接面136限制。
可选地，第二弹性件162和第三弹性件163可以是一根安装在挡块130上的弹簧的两端；可以只设置第一弹性件161或第三弹性件163以节约成本，也可以同时设置第一弹性件和第三弹性件确保部件稳定性；在连接部110上的第一抵接面111与驱动头120上的第八抵接面128之间还可以设置有密封件。
实施例二
本实施例中的动力接收部件与实施例一中的基本相同，唯一的区别在与本实施例中的 活动部140上还设置有抵接块147和支撑杆148。
如图11所示，在连接杆142相对于第十二抵接面141的另一面还设置有支撑杆148，所述支撑杆148的自由端还设置有抵接块147。支撑杆148和抵接块147在动力接收部件上向远离粉筒筒体的方向延伸。
如图12所示，当活动部140位于动力接收部件上时，所述抵接块147可与固定杆122上靠近驱动齿121的一侧抵接，使驱动齿121不会因为与图像形成装置干涉而造成固定杆122相对于动力接收部件的旋转轴径向向内偏移而影响旋转驱动力的传输。
实施例三
本实施例中的动力接收部件与实施例二中的工作原理相同，唯一的区别在于本实施例中的活动部140的形状与实施例二略有不同。
如图13所示，在本实施例中，第十二抵接面141a为不垂直与动力接收部件的旋转轴的斜面，且第十二抵接面141a上距离粉筒筒体的距离越远的点越靠近动力接收部件的旋转轴。支撑杆148a位于第十二抵接面141a最靠近动力接收部件的旋转轴的位置并向远离粉筒筒体的方向凸起，支撑杆148a支撑抵接块147a。支撑杆148a和抵接块147a的作用于实施例二中相同。
由于重力的作用、长久的使用磨损和转配中可能出现误差，旋转驱动力传递部件的旋转轴可能与动力接收部件的旋转轴并不同轴，两个旋转轴之间存在少量的误差，因此本实施例中的动力接收部件相对于实施例二中的动力接收部件可以在转入图像形成装置中不被干涉造成卡死。但是这样的设计相比于实施例二中的动力接收部件，生产和调试的成本更高。
实施例四
为了进一步的方便生产，解决实际生产过程中出现的装配难，转配所需工时长，本实施例在其他实施例的基础上对零件的外形和结构做出了进一步的改进，但是整个动力接收部件的原理与实施例一中的动力接收部件的原理相同。
如图14至图16所示，相比于实施例一，本实施例中涉及的动力接收部件主要有以下几点改动：
1.相比于实施例一中的活动部140，本实施例中分为第一活动部240a和第二活动部240b，如图14、图15所示。其中图14是第一活动部240a、第二活动部240b、和驱动头220的结构爆炸视图，图15是图14中的部件沿过动力接收部件旋转轴的面剖切的剖面图。第二活动部240b的一端与第一活动部240a的一端抵接，第二活动部240b的另一端用于与 图像形成装置抵接，第一活动部240a的另一端用于与驱动头220抵接。本实施例中，第二活动部上的连接杆242可以与第一活动部240a抵接。这样的设计主要是为了方便装配，使第一活动部240a和第二活动部240b从两侧安装都有相应的参照物。当然第一活动部240a由于杆150和驱动头220的约束也不会脱出。具体的，在本实施例中，第一活动部240a结构基本为实施例一中活动部140的下半部分，包括迫推杆243、第三限位孔244、第十三抵接面245和第十四抵接面246。迫推杆243、第三限位孔244、第十三抵接面245、第十四抵接面246均与实施例一中的迫推杆143、第三限位孔144、第十三抵接面145、第十四抵接面246结构和作用相同，杆150从第三限位孔244中穿过，在此不再赘述。第二活动部240b具有一个圆环状的支撑块241，杆150可以从支撑块241所构成的圆环内部通过。支撑块241向粉筒筒体方向伸出连接杆242。在本实施例中，连接杆242位于两个相邻的固定杆222之间，两个相邻的固定杆222约束连接杆242的位置，与实施例一中的导向槽127作用类似。支撑块241向远离粉筒筒体方向依次延伸有导向面241a和接触端241b。导向面241a和接触端241b用于与图像形成装置抵接。可选地，连接杆242为4根，导向面241a和接触端241b也为4个，连接杆242与导向面241a和接触端241b关于支撑块241一一对应。当第二活动部240b被图像形成装置推动沿粉筒筒体方向运动时，连接杆242与第一活动部240a抵接并带动第一活动部240a向粉筒筒体方向运动。可选地，连接杆242与第一活动部240a最靠近第二活动部240b的第十七抵接面247抵接。其中，第十七抵接面247设置在远离粉筒筒体方向的一侧，第十四抵接面246设置在靠近粉筒筒体的一侧，第十七抵接面247与第十四抵接面246设置在相反的方向，第十七抵接面247为环形面。通过这样的设计，不仅使安装过程更加简便，也使零件加工过程更加简便。本实施例中的第十四抵接面246与实施例一中的第十四抵接面146功能类似，但是相比于实施例一中的第十四抵接面146，本实施例中的第十四抵接面246周围设置有环状凸起，可以防止弹性件在生产装配过程中发生偏移影响生产效率。
2.相比于实施例一中通过第十二抵接面141与图像形成装置抵接，本实施例中第二活动部240b包含支撑块241，支撑块241向远离粉筒筒体方向依次延伸有导向面241a和接触端241b，如图14所示。接触端241b围成的假想圆比支撑块241所围成的圆半径更小，即接触端241b与动力接收部件的旋转轴的距离比支撑块241与动力接收部件的旋转轴的距离更小。因此导向面241a越远离粉筒筒体方向，与动力接收部件的旋转轴距离越小。这样的设计可以使粉筒向图像形成装置上安装的过程中，第二活动部241b更好的与图像形成装置的旋转驱动力传递部件抵接，防止因为图像形成装置因为使用时间长产生磨损导致动力接收部件的旋转轴(即粉筒的旋转轴，两者同轴)和图像形成装置上旋转驱动力传递部件的旋转轴不能同轴而造成粉筒安装时发生碰撞造成卡死，影响图像形成装置的正常工作。
3.相比于实施例一中限位凸起125与阻挡部132抵接，本实施例中的动力接收部件删除了限位凸起，直接使用传动杆226穿过传动孔133并与传动孔133的孔壁抵接，如图16所示。这样做可以减少部件结构复杂性，降低成本。当然对应的，挡块130上也可以不设置阻挡部132。当然实施例一中设置有阻挡部132的挡块130也完全可以适用于本实施例中的动力接收部件，只是阻挡部132不再发挥作用，使物料通用从而达到节省开模次数降低成本的目的。同时为了降低加工难度，不再设置中空凸起1241约束杆150，而仅仅将杆150安装在固定杆222围成的结构内部。
4.相比于实施例一种的固定杆122支撑驱动齿121，本实施例中的固定杆222设置为四个，其中两个关于动力接收部件旋转轴对称的固定杆222上设置有驱动齿221a，另外两个关于动力接收部件旋转轴对称的固定杆222上不设置驱动齿221a，如图15所示。在本实施例中，两个设置有驱动齿221a的固定杆222的连线正交于两个没有设置驱动齿221a的固定杆222的连线。当然，也可以设置其他数量的固定杆222和驱动齿221a，但是至少应该包含两个含有驱动齿221a的固定杆222。在固定杆222上还设置有防止第二活动部240a脱出的限位齿221b。当然限位齿221b也可以只设置在部分固定杆222上，但是至少应该有两个固定杆222包含限位齿221b。在实际的传动过程中，限位齿221b不参加工作，本实施例中的限位齿221b的唯一作用就是防止第二活动部240a脱出。相比于实施例一，本实施例中较少的驱动齿可以使啮合过程更加顺畅，进一步降低由于驱动齿和图像形成装置干涉而造成的啮合困难。
最后应说明的是：以上实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的范围。
工业实用性
本申请实施例提供的动力接收部件以及粉筒能够避免现有技术中粉筒的驱动齿结构与图像形成装置内部啮合处锁死的情况发生，也降低机器运行出现差错的可能性，提高自身密闭性，进而有效防止粉筒中的显影剂泄露,而污染环境以及影响成像品质的情况发生。

Claims (10)

  1. 一种动力接收部件，用于粉筒,所述粉筒包括筒体，所述动力接收部件包括：
    连接部，所述连接部用于与所述筒体连接；
    驱动头，所述驱动头的一端用于从图像形成装置接收动力，另一端用于将所述动力传递给连接部；
    杆，所述杆可沿所述筒体长度方向进行运动，所述杆沿所述筒体长度方向的一端可与所述驱动头抵接，使所述驱动头相对于所述连接部固定；
    其特征在于，所述动力接收部件还包括第二弹性件，所述第二弹性件一端连接所述连接部，另一端连接所述驱动头；当所述动力接收部件位于第一位置时，所述第二弹性件有推动所述驱动头向远离所述筒体方向运动的趋势；所述动力接收部件为以下三种结构中任意一者：
    (i)所述动力接收部件还包含第一弹性件，所述第一弹性件一端连接所述驱动头，另一端连接所述杆；
    (ii)所述动力接收部件还包含第三弹性件，所述第三弹性件一端连接所述连接部，另一端连接所述杆；
    (iii)所述动力接收部件还包含第一弹性件和第三弹性件，所述第一弹性件一端连接所述驱动头，另一端连接所述杆，所述第三弹性件一端连接所述连接部，另一端连接所述杆。
  2. 如权利要求1中所述的动力接收部件，其特征在于，所述动力接收部件还包括挡块，所述挡块与所述连接部相连接，所述挡块上还设置有传动孔；所述第二弹性件的一端连接所述驱动头，另一端连接所述挡块；所述第三弹性件的一端连接所述杆，另一端连接所述挡块。
  3. 如权利要求1中所述的动力接收部件，其特征在于，所述动力接收部件还包括活动部，所述活动部一端用于与所述图像形成装置抵接，另一端用于与所述驱动头抵接；当所述图像形成装置推动所述活动部向所述筒体方向运动时，所述活动部可带动所述驱动头向所述筒体方向运动。
  4. 如权利要求3中所述的动力接收部件，其特征在于，所述活动部包括第十二抵接面和连接杆，包含所述第十二抵接面的结构通过所述连接杆连接，在所述连接杆相对于所述第十二抵接面的另一面还设置有支撑杆，所述支撑杆的自由端还设置有抵接块，所述支撑杆和所述抵接块在所述动力接收部件上向远离粉筒筒体的方向延伸,所述第十二抵接面为不垂直于所述动力接收部件的旋转轴的斜面，且所述第十二抵接面上距离 粉筒筒体的距离越远的点越靠近所述动力接收部件的旋转轴，所述支撑杆位于所述第十二抵接面最靠近所述动力接收部件的旋转轴的位置并向远离粉筒筒体的方向凸起，所述支撑杆支撑所述抵接块。
  5. 如权利要求3中所述的动力接收部件，其特征在于，所述活动部包括第一活动部和第二活动部，所述第二活动部的一端与所述第一活动部的一端抵接，所述第二活动部的另一端用于与所述图像形成装置抵接，所述第一活动部的另一端用于与所述驱动头抵接。
  6. 如权利要求5中所述的动力接收部件，其特征在于，所述第二活动部具有环状的支撑块，所述支撑块向远离粉筒筒体方向依次延伸有导向面和接触端，所述导向面和所述接触端用于与所述图像形成装置抵接，所述接触端围成的假想圆比所述支撑块所围成的圆半径更小，所述导向面越远离粉筒筒体方向，与所述动力接收部件的旋转轴距离越小。
  7. 如权利要求1中所述的动力接收部件，其特征在于，所述杆还包含迫推块，所述迫推块用于与所述驱动头相抵接，在所述迫推块上沿所述筒体长度方向靠近所述图像形成装置的一端设置有第十五抵接面，所述第十五抵接面沿所述筒体长度方向朝向远离筒体的方向倾斜；所述驱动头靠近所述筒体的自由端上设置有第七抵接面，所述第七抵接面朝向远离筒体的方向倾斜；所述第十五抵接面可以与所述第七抵接面相抵接。
  8. 如权利要求1中所述的动力接收部件，其特征在于，所述驱动头用于从所述图像形成装置接收动力的一端设置有驱动齿，所述驱动齿靠近所述筒体方向的侧面所述筒体长度方向朝向远离筒体方向倾斜。
  9. 如权利要求8中所述的动力接收部件，其特征在于，所述驱动头上设置有固定杆，所述驱动齿设置在固定杆上，所述设置有驱动齿的固定杆至少有两个。
  10. 一种粉筒，用于图像形成装置上,所述粉筒包含权利要求1-9中任意一种动力接收部件。
PCT/CN2018/116401 2017-11-23 2018-11-20 动力接收部件以及粉筒 WO2019101064A1 (zh)

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