CN108762030B - Developing cartridge and method of using developing cartridge - Google Patents

Abstract

The present invention relates to a developing box and a method for using the developing box. The developing box can be detachably installed in an imaging device, and includes a developing box main body and a power transmission device located at one longitudinal end of the developing box main body. The power transmission device includes a power receiving component and a driving gear combined with the power receiving component, and the driving gear is pre-fixed and installed in the developing box main body; before the developing box is installed in the imaging device, the power receiving component and the developing box main body are separated from each other.

Description

Development cartridge and how to use it

technical field

The present invention relates to the field of electrophotographic imaging, in particular to a developing cartridge detachably installed in an electrophotographic image forming apparatus and a method for using the developing cartridge.

Background technique

In electrophotographic image forming apparatuses (hereinafter referred to as "apparatus"), such as printers, copiers, etc., developing cartridges are necessary consumables. During operation, the developing cartridges receive rotational driving force from the apparatuses to drive the rotating members located in the developing cartridges to rotate.

At present, there is a driving force receiving member called a "universal joint" on the market. The member is installed at one longitudinal end of the developer cartridge housing, and the end of the member close to the developer cartridge is spherical. With the sphere, before the developing cartridge is mounted to the predetermined position of the apparatus, the member is in an inclined state with respect to the rotation axis of the rotating member, and when the developing cartridge is mounted to the predetermined position of the apparatus, the member is in contact with the The power output member is combined in a vertical state that is collinear or parallel to the axis of rotation of the rotating member.

In order to prevent the driving force receiving member from falling off the developing cartridge, a common method is to provide a protrusion at the position where the developing cartridge is combined with the driving force receiving member; If the developing cartridge of the driving force receiving part encounters a large external force during transportation, it may cause the driving force receiving part to fall off from the developing cartridge housing. When the end user uses the developing cartridge, it is necessary to overcome the resistance of the protrusion. To install the driving force receiving part again, for the end user, the use experience of this method is poor.

SUMMARY OF THE INVENTION

The invention provides a developing cartridge. During the process of assembling and transporting the developing cartridge, the power receiving assembly and the developing cartridge main body are disengaged, and the two are in a separated state; when the end user needs to use the developing cartridge, the power receiving assembly only needs to be inserted into the developing cartridge. The cartridge main body is then rotated to complete the combination of the power receiving assembly and the developing cartridge main body by rotating the blocking piece on the power receiving assembly.

To achieve the above object, the present invention adopts the following technical solutions:

A developing cartridge, detachably installed in an image forming apparatus, includes a developing cartridge main body and a power transmission device located at one longitudinal end of the developing cartridge main body, the power transmitting device including a power receiving assembly and a driving gear combined with the power receiving assembly, the The driving gear is fixedly installed in the developing cartridge main body in advance; the power receiving assembly and the developing cartridge main body are separated from each other before the developing cartridge is mounted to the image forming apparatus.

The power receiving assembly includes a power receiving member, a blocking member movably mounted on the power receiving member, and a power transmitting member telescopically mounted on the power receiving member, and the power transmitting member is used for combining with the driving gear and transmitting the power The driving force received by the receiver is transmitted to the driving gear.

The blocking member is movable from a blocking position blocking the extension of the power transmission member to an unblocking position not blocking the extension of the power transmission member.

The power receiving member is provided with a holding portion, the blocking member is provided with a held portion combined with the holding portion, and the blocking member rotates in the circumferential direction of the power receiving member by the combination of the held portion and the holding portion.

The present invention also provides a method for using a developing cartridge, wherein the developing cartridge is detachably installed in an image forming apparatus having a power output member, the developing cartridge includes a developing cartridge main body and a power transmission device located at one longitudinal end of the developing cartridge main body, so that The power transmission device includes a power receiving assembly and a driving gear combined with the power receiving assembly, the driving gear is fixedly installed in the developing cartridge body in advance, and before the developing cartridge is installed in the image forming apparatus, the power receiving assembly and the developing cartridge body interact with each other. Separation; the power receiving assembly includes a power receiving member, a blocking member movably mounted on the power receiving member, and a power transmitting member telescopically mounted on the power receiving member; the using method includes:

Step 1. Before installing the developing cartridge into the imaging device, insert the power receiving assembly including the retracted power transmission member into the drive gear;

Step 2: Move the blocking member until the power transmission member is no longer blocked by the blocking member, and the power transmission member extends and is combined with the driving gear.

Step 3: Install the developing cartridge to the imaging device, and combine the power receiving part with the power output member.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of the developing cartridge according to the present invention.

FIG. 2A is a schematic diagram of the overall structure of the rotating member in the developing cartridge according to the present invention.

2B is a schematic view of the state in which the power transmission device and the rotating member are separated from the developing cartridge according to the present invention.

3 is a schematic exploded view of the structure of the power receiving assembly in the developing cartridge according to the present invention.

FIG. 4A is a schematic diagram of the overall structure of the blocking member according to the present invention.

4B is a schematic diagram of the overall structure of the blocking member according to the present invention viewed from another angle.

Fig. 4C is a side view of the blocking member according to the present invention.

FIG. 5A is a schematic diagram of the overall structure of the driving gear according to the present invention.

5B is a cross-sectional view of the drive gear according to the present invention, taken along the rotational axis direction thereof.

6A is a schematic diagram of the overall structure of the power receiving assembly involved in the present invention before installation.

FIG. 6B is a cross-sectional view of the power receiving assembly according to the present invention, taken along the axis of rotation thereof.

6C is a cross-sectional view of the power receiving assembly according to the present invention, cut along a direction passing through its rotational axis and perpendicular to the cutting direction in FIG. 6B .

6D is a schematic diagram of the overall structure of the power receiving assembly involved in the present invention after installation.

7A is an exploded schematic view of the power transmission device according to the present invention.

FIG. 7B is a schematic diagram of a state after the power transmission device according to the present invention is assembled.

Detailed ways

The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, and the following definitions are made. The longitudinal direction of the developing cartridge C is defined as the longitudinal direction X, the installation direction of the developing cartridge C is the lateral direction Y, and the direction perpendicular to the longitudinal direction X and the lateral direction Y is the vertical direction. Z.

[The overall structure of the developing cartridge]

FIG. 1 is a schematic diagram of the overall structure of the developing cartridge according to the present invention. As shown in the figure, the developing cartridge C includes a developing cartridge main body 10 and a power transmission device 2 located at one longitudinal end of the developing cartridge main body 10. The developing cartridge main body 10 includes a developing cartridge housing 1 and is rotatably mounted in the developing cartridge housing 1 The rotating body 11, the power transmission device 2 receives an external driving force to drive the rotating body 11 to rotate. At this time, the rotating body 11 and the power transmission device 2 are used as a part of the rotating member, so that the rotating member is rotatably installed in the developing In the box housing 1; generally, the power transmission device 2 is installed at one longitudinal end of the rotating body 11, and at this time, the power transmission device 2 directly transmits the received driving force to the rotating body 11; of course, the power transmission device 2 also It may be installed at one longitudinal end of the developing cartridge casing 1, and when the power transmission device 2 receives an external driving force, the driving force is transmitted to the rotating body 11 through gears.

2A is a schematic diagram of the overall structure of the rotating member in the developing cartridge according to the present invention; FIG. 2B is a schematic view of the state in which the power transmission device and the rotating member are separated in the developing cartridge according to the present invention.

As shown in FIGS. 2A and 2B , the present invention is described by taking the example that the power transmission device 2 is installed at one longitudinal end of the rotating body 11 , and the rotating body 11 rotates around the rotation axis L11 . The power transmission device 2 includes a power receiving assembly 21 and a driving gear 22 combined with the power receiving assembly 21. As shown in the figure, the power receiving assembly 21 rotates around the rotation axis L21 and is detachably installed in the driving gear 22. The driving gear 22 It is fixedly installed at one longitudinal end of the rotating body 11. When the power receiving assembly 21 is installed to the driving gear 22, the rotation axis L21 may not be collinear with the rotation axis L11, but present that the rotation axis L21 and the rotation axis L11 are aligned. A certain angle exists; preferably, the rotation axis L21 and the rotation axis L11 are collinear.

Continuing as shown in FIG. 2B , the power receiving assembly 21 includes a power receiving member 211 , a blocking member 212 movably installed on the power receiving member 211 , and a power transmitting member 211 d telescopically installed on the power receiving member 211 . The member 211 is used to receive the driving force from the outside, and the blocking member 212 is used to block the protruding of the power transmitting member 211d, and the blocking member 212 is rotatably mounted on the power receiving member 211 . When the power receiving assembly 21 is not mounted to the drive gear 22, the power transmitting member 211d is in a retracted state (first position) blocked by the blocking member 212; when the power receiving assembly 21 is mounted to the driving gear 22, the power transmitting member 211d is in the extended state (second position) that is not blocked by the blocking member 212. At this time, the power transmitting member 211d is combined with the driving gear 22 for transmitting the driving force received by the power receiving member 211 to the driving gear 22, and then The driving force is transmitted to the rotating body 11 through the driving gear 22, thereby driving the rotating body 11 to rotate, that is, the blocking member 212 can move/rotate from a blocking position that blocks the extension of the power transmission member 211d to a position that does not block the extension of the power transmission member 211d. When the power transmission member 211d is blocked by the blocking member 212, the power transmission member 211d retracts, and when the power transmission member 211d is not blocked by the blocking member 212, the power transmission member 211d extends.

[Power Receiving Assembly]

3 is a schematic exploded view of the structure of the power receiving assembly in the developing cartridge according to the present invention; FIG. 4A is a schematic view of the overall structure of the blocking member according to the present invention; FIG. 4B is a schematic view of the overall structure of the blocking member according to the present invention viewed from another angle ; Figure 4C is a side view of the blocking member involved in the present invention.

[Power Receiving Piece]

As shown in FIG. 3, the power receiving member 211 includes a base portion 211a, a connecting portion 211b and a power receiving portion 211c, the connecting portion 211b connects the base portion 211a and the power receiving portion 211c, the connecting portion 211b has an outer surface 211g, and the base portion 211a has an outer surface 211m, The power receiving member 211 is supported by the driving gear 22 through the outer surface 211m, and the outer surface 211g is integrated with the outer surface 211m in the direction of the rotation axis L21, so that the base portion 211a and the connecting portion 211b have the same maximum radius.

The power transmitting member 211d is telescopically mounted on the power receiving member 211. As shown in the figure, the power receiving member 211 further includes a mounting hole 211e and a pushing member 211f provided therein. The power transmitting member 211d is mounted in the mounting hole 211e, In the embodiment of the present invention, the power receiving member 211 includes two separate power transmission members 211d, at least one of the power transmission members 211d is retractable, preferably, the pushing member 211f is an elastic member located between the two power transmission members 211d , the elastic member 211f provides a force for the extension of the power transmission member 211d. When the power transmission member 211d is in the retracted state blocked by the blocking member 212, the elastic member 211f is compressed; when the blocking member 212 no longer blocks the power transmission member 211d, at least one power transmission member 211d is pushed out under the elastic force of the elastic member 211f; more preferably, the elastic member 211f is a spring, and the two ends of the spring 211f are respectively in contact with the two power transmission members 211d; optional , the forcing member 211f is a pair of magnets arranged between the two power transmission members 211d, and the force transmission member 211d is forced by the force generated by the repulsion of the same poles of the magnets. Further, the magnet can be directly installed on the On the opposite ends of the two power transmission members 211d, the magnets are formed integrally with the power transmission members.

As described above, the blocking member 212 is rotatably mounted on the power receiving member 211, and thus, the power receiving member 211 further includes a first guide portion 211i disposed therein, and the blocking member 212 is provided with a first guide portion for connecting with the first guide portion 211i. The guided portion 212d combined with 211i; the first guiding portion 211i is a first guiding groove or a guiding protrusion provided on the power receiving member 211, and the guided portion 212d provided on the blocking member 212 is a guide The protrusion or the first guiding groove, preferably, the first guiding portion 211i is a first guiding groove extending along the circumferential direction of the power receiving member 211 , and correspondingly, the guided portion 212d is a guiding groove disposed on the blocking member 212 . Induce protrusion. More preferably, the first guide groove 211i is provided on the connecting portion 211b. After the blocking member 212 is installed to the power receiving member 211, the guide protrusion 212d is guided by the first guide groove 211i, so that the blocking member 212 can be guided along the power receiving member 211. The first guide groove 211i rotates in the circumferential direction of the power receiving member 211; as shown in FIG. 3, the first guide groove 211i is recessed from the outer surface 211g of the connecting portion 211b in the direction close to the rotation axis L21, so that the A guide groove 211i serves as an embodiment of the holding portion for holding the blocking member 212, and holds the blocking member 212 on the power receiving member 211. At this time, the guiding protrusion 212d is the held portion.

Further, the power receiving member 211 further includes a second guide portion 211j disposed therein. During the process of the blocking member 212 being installed to the power receiving member 211, the second guiding portion 211j guides the blocking member 212; preferably When the guided portion 212d is a guiding protrusion, the second guiding portion 211j is a second guiding groove provided on the power receiving member 211; in the direction of the rotation axis L21, the second guiding groove 211j Extending from the base portion 211a to the connecting portion 211b and communicating with the first guiding portion 211i, the extending manner of the second guiding groove 211j may be linear or curved/spiral. Considering the difficulty of the production process, the second guide groove 211j preferably extends in a straight line.

In order not to affect the power receiving member 211 being supported by the driving gear 22, the blocking member 212 does not cover the outer surface 211m of the base 211a in the direction of the rotation axis L21, as shown in FIG. 3, in the direction of the rotation axis L21, the connection The outer surface 211g of the portion 211b is not connected to the outer surface 211m of the base portion 211a as a whole, and a stepped surface 211k is formed therebetween, and the outer surface 211g of the connecting portion 211b is closer to the rotation axis L21 than the outer surface 211m of the base portion 211a; The guide groove 211i and the second guide groove 211k are closer to the rotation axis L21 than the outer surface 211g of the connecting portion 211b, and thus, along the rotation axis L21, the stopper 212 is rotatably installed between the base portion 211a and the power receiving portion 211c, In other words, along the rotation axis L21, the blocking member 212 is rotatably installed between the stepped surface 211m and the power receiving portion 211c. Further, a limiting protrusion 211h is also provided on the power receiving member 211 to prevent the blocking member 212 from coming out. As shown in the figure, along the rotation axis L21, the limiting protrusion 211h is disposed adjacent to the first guide groove 211i and is limited The positioning protrusion 211h is disposed closer to the power receiving portion 211c than the first guide groove 211i. Therefore, in the embodiment of the present invention, the exact position of the blocking member 212 is located between the limiting protrusion 211h and the step surface 211k.

In the embodiment of the present invention, the power transmission member 211d protrudes from the installation hole 211e under the control of the blocking member 212. Therefore, when the power transmission member 211d is in the retracted state, viewed along the direction perpendicular to the rotation axis L21, the power transmission member At least a portion of one of the mounting holes 211d and 211e overlaps with at least a portion of the blocking member 212 . Specifically, in the direction of the rotation axis L21, at least a part of the mounting hole 211e is located in the connecting part 211b. As shown in FIG. 3, a part of the mounting hole 211e is located in the connecting part 211b and the other part is located in the base part 211a. The installation hole 211e is observed from the outside, and then the operation to be taken in the next step is judged; after the power transmission member 211d is installed in the installation hole 211e, in the direction of the rotation axis L21, at least a part of the power transmission member 211d is located at the connecting portion 211b middle.

[stopper]

As shown in FIG. 4A and FIG. 4B , the blocking member 212 has a cylindrical shape as a whole, and includes a cylindrical body 212g having an opposite upper opening 212a and a lower opening 212b, a cylindrical cavity 212c located between the upper and lower openings, and a cylindrical body 212g. The guided portion 212d on the inner surface, the escape portion 212e communicating with the cylindrical cavity 212c, and the blocking portion 212f provided adjacent to the escape portion 212e.

When the blocking member 212 is mounted to the power receiving member 211, at least a part of the connecting portion 211b is accommodated by the cylindrical cavity 212c, and the guided portion 212d is guided by the first guiding portion 211i provided on the power receiving member 211, as above As mentioned above, the first guiding portion 211i is preferably a first guiding groove provided on the connecting portion 211b, and thus, the guided portion 212d is a guiding protrusion provided on the blocking member 212; The lower openings 212b are arranged adjacent to each other, and two or other even numbers of the avoidance portions 212e and the blocking portions 212f are arranged opposite to each other along the circumferential direction of the blocking member 212. When the power transmitting member 211d is in the retracted state, the power transmitting member 211d and the blocking member 211d When the power transmission member 211d is in the extended state, the power transmission member 211d is opposed to the escape portion 212e. As shown in FIGS. 4A and 4B , the formation of the relief portion 212e can be described as: in the circumferential direction of the stopper 212, a part of the cylindrical body 212g is cut away from the lower opening 212b toward the upper opening 212a.

In order to realize that at least a part of one of the power transmission member 211d and the installation hole 211e overlaps with at least a part of the blocking member 212, the dimensional relationship between the corresponding parts of the blocking member 212 and the power receiving member 211 is as follows.

As shown in FIG. 3, along the rotation axis L21, the distance between the restricting portion 211h and the stepped surface 211k is k4, and the longest distance from the restricting portion 211h to the end of the base portion 211a is k3; as shown in FIG. 4C, the cylindrical shape of the blocking member 212 The distance between the upper and lower openings of the body 212g is k1, and the distance from the upper opening 212a to the end of the escape portion 212e away from the lower opening 212b is k2, satisfying: k3>k4≥k1>k2.

As another embodiment of the blocking member 212, the avoidance portion 212e is cancelled, and the entire cylinder 212g is used as the blocking portion 212f. At this time, the blocking member 212 is guided along the rotation axis L21 from The blocking position that blocks the extension of the power transmission member 211d moves to the non-blocking position that does not block the extension of the power transmission member 211d; The helical groove extends along the circumferential direction of the power receiving member 211. When the guiding protrusion as the guided portion moves along the helical groove, the blocking member 212 as a whole moves helically along the rotation axis L21 toward the power receiving portion 211c until blocking The member 212 no longer blocks the extension of the power transmission member 211d.

[drive gear]

FIG. 5A is a schematic diagram of the overall structure of the driving gear according to the present invention; FIG. 5B is a cross-sectional view of the driving gear according to the present invention cut along the direction of its rotation axis.

As shown in the figure, the driving gear 22 includes a cylindrical gear body 22a, an opening 22b at one end of the gear body, a bottom wall 22e opposite to the opening 22b, a gear cavity 22c formed in the gear body 22a, and a gear cavity 22c formed in the gear body 22a. The teeth 22d on the outer circumferential surface, the support portion 22f formed on the bottom wall 22e, the plurality of power transmission portions 22i protruding from the inner wall of the gear body 22a toward the gear cavity 22c, are formed between adjacent two power transmission portions 22i for In the accommodating cavity 22g for accommodating the power transmission member 211d, along the rotation direction of the driving gear 22, the surface of the power transmission portion 22i adjacent to the accommodating cavity 22g is formed as the power transmission surface 22j, and the power transmission member 211d abuts against the power transmission surface 22j, The driving force received by the power receiving portion 211 c is transmitted to the driving gear 22 .

When the power transmission member 211d is in contact with the power transmission surface 22j, in order to prevent the power transmission member 211d from being detached from the accommodating cavity 22g, the driving gear 22 further includes a plurality of baffle plates 22h disposed adjacent to the power transmission portion 22i. The plate 22h may be formed integrally with the gear body 22a, or may be provided separately and combined with the gear body 22a. As shown in the figure, two or other even numbers of baffles 22h and power transmission parts 22i are arranged opposite to each other along the circumferential direction of the gear body 22a, and along the radial direction of the gear body 22a, between the two opposite power transmission parts 22i The distance is d3.

[Assembly of the power transmission device]

6A is a schematic diagram of the overall structure of the power receiving assembly involved in the present invention before installation; FIG. 6B is a cross-sectional view of the power receiving assembly involved in the present invention along its axis of rotation; FIG. 6C is the power receiving assembly involved in the present invention. Figure 6D is a schematic view of the overall structure of the power receiving assembly involved in the present invention after installation; Figure 7A is an exploded view of the power transmission device involved in the present invention. Schematic diagram; FIG. 7B is a schematic diagram of the assembled state of the power transmission device involved in the present invention.

As shown in FIG. 6A , when the power transmission member 211d is in the retracted state, in the direction perpendicular to the rotation axis L21, the maximum dimension of the connecting portion 211b is d1, which satisfies d1<d3. Therefore, the power receiving assembly 21 can move along the It is inserted into the gear cavity 22c in the direction indicated by the arrow d in FIG. 7A. Continuing as shown in FIG. 6A , before the power receiving assembly 21 is not mounted to the driving gear 22, or in other words, when the power transmission member 211d is in a retracted state, at least a part of the power transmission member 211d is blocked by the blocking portion 212f, so that the power The transmission member 211d cannot be extended; as shown in FIG. 6B and FIG. 6C , in the direction of the rotation axis L21, the blocking member 212 is rotatably supported between the limiting protrusion 211h and the step surface 211k, and the power transmission member 211 is rotatably supported. At least a portion overlaps with the blocking member 212 .

After the power receiving assembly 21 is inserted into the gear cavity 22c of the driving gear, the end user rotates the blocking member 22 until the power transmitting member 211d is completely opposite to the avoidance portion 212e. At this time, the power transmitting member 211d is pushed by the pushing member 211f. 6D, when the power transmission member 211d is in the extended state, in the direction perpendicular to the rotation axis L21, the maximum dimension of the connecting portion 211b is d2, which satisfies d3<d2.

As described above, since the first guide grooves 211i are disposed along the circumferential direction of the power receiving member 211 , the end user can rotate the blocking member 22 along the rotating direction of the power receiving member 211 without considering the rotation direction when rotating the blocking member 22 . , the blocking member 22 can also be rotated in a direction opposite to the rotation direction of the power receiving member 211 , which is simple and easy to operate for the end user.

According to the above-mentioned power transmission device 2, the present invention also provides a method for assembling the power transmission device 2, specifically:

Step 1, retract the power transmission member 211d, rotate the blocking member 212, and use the blocking member 212 to block the extension of the power transmission member 211d;

Step 2, inserting the power receiving assembly 21 including the retracted state power transmission member 211d into the drive gear;

Step 3: Move the blocking member 212 until the power transmitting member 211d is no longer blocked by the blocking member 212 .

For the end user, the above step 1 can also be completed by the manufacturer of the developing cartridge C, and the end user only needs to perform the above steps 2 and 3 to complete the assembly of the power transmission device 2 .

According to the assembling method of the power transmission device 2 described above, a method of using a developing cartridge can be further extended. The developing cartridge is detachably mounted to an image forming apparatus having a power output member, and before the developing cartridge is mounted to the image forming apparatus, the power receiving The assembly 21 is separated from the main body 10 of the developing cartridge, and in the main body 10 of the developing cartridge, a driving gear 22 is fixedly installed in advance. The usage method is as follows:

Step 1. Insert the power receiving assembly 21 including the retracted power transmission member 211d into the drive gear before installing the developing cartridge into the imaging device;

Step 2: Move the blocking member 212 until the power transmitting member 211 d is no longer blocked by the blocking member 212 , and the power transmitting member 211 d extends and is combined with the driving gear 22 .

Step 3: Install the developing cartridge to the imaging device, and combine the power receiving part with the power output member.

Generally speaking, the driving gear 22 is pre-fixedly installed in the developing cartridge body 10 or is pre-fixedly installed at one longitudinal end of the rotary member 11 rotatably installed in the developing cartridge housing 1, during the transportation of the developing cartridge C During the process, the driving gear 22 will not fall off, and the manufacturer only needs to pack and transport the power receiving assembly 21 with the power transmitting member 211d in the retracted state together with the main body 10 of the developing cartridge. The developing cartridge main bodies 10 are separated from each other. When the end user needs to use the developing cartridge C, he only needs to insert the power receiving assembly 21 into the developing cartridge main body 10, and then rotate the stopper 212 on the power receiving assembly 21 to complete the power receiving assembly 21 and the development. Combination of the box body 10 .

Claims (5)

1. Delevoping cartridge is removably mounted in imaging device, including development box main body and be located at development box main body one it is vertical The power transmission of terminad,

The power transmission includes power reception component and the driving gear in conjunction with power reception component,

The driving gear is fixedly mounted in advance in development box main body；

It is characterized in that, power reception component includes power reception part, the block piece that is movably mounted on power reception part And it is retractably installed at the power transmission part on power reception part, the power transmission part is used in conjunction with driving gear, And the driving force that power reception part receives is transferred to driving gear；

Block piece can be moved to from the blocking position for stopping power transmission part to stretch out does not stop not stopping for power transmission part stretching Position；

Before Delevoping cartridge is mounted to imaging device, power reception component is separated from each other with development box main body.

2. Delevoping cartridge according to claim 1, which is characterized in that maintaining part is provided on power reception part, on block piece The maintained portion being provided in conjunction with maintaining part, by the combination of maintained portion and maintaining part, block piece is in power reception part It is rotated on circumferencial direction.

3. the application method of Delevoping cartridge, the Delevoping cartridge is removably mounted in the imaging device with power output member, is shown Shadow box includes develop box main body and the power transmission positioned at development one longitudinal end of box main body, the power transmitting dress The driving gear including power reception component and in conjunction with power reception component is set, the driving gear is fixedly mounted in advance In development box main body, before Delevoping cartridge is mounted to imaging device, power reception component is separated from each other with development box main body；

Power reception component includes power reception part, the block piece being movably mounted on power reception part and telescopically The power transmission part being mounted on power reception part；

It is characterized in that, the application method includes:

It will include the power reception component of retracted mode power transmission part Step 1: installing Delevoping cartridge to imaging device It is inserted into driving gear；

Step 2: mobile block piece, until power transmission part is no longer blocked part blocking, power transmission part stretches out, and with driving Gear combines；

Step 3: installing Delevoping cartridge to imaging device, power reception portion is in conjunction with power output member.

4. the application method of Delevoping cartridge according to claim 3, which is characterized in that block piece can be from blocking power transmission part The blocking position of stretching is moved to the not blocking position for not stopping power transmission part to stretch out.

5. the application method of Delevoping cartridge according to claim 4, which is characterized in that be provided with holding on power reception part Portion, the maintained portion being provided on block piece in conjunction with maintaining part, by the combination of maintained portion and maintaining part, block piece is dynamic It is rotated on the circumferencial direction of power receiving element.