CN208255633U - Resettable developer cartridge - Google Patents

Abstract

The utility model relates to a resettable developing box, which comprises a shell, a power receiving piece, a counting assembly and a conductive assembly; the counting assembly comprises a driven element, a counting element and an elastic element positioned between the counting element and the shell, the driven element is used for receiving the driving force of the power receiving element, the counting element is detachably combined with the driven element, the counting element comprises a base body, a protrusion protruding from one tail end of the base body, a large-size part extending from the other tail end of the base body to be far away from the rotation axis along the direction perpendicular to the rotation axis of the counting assembly, and at least one protrusion protruding from the large-size part to be far away from the base body, and the protrusion is combined with and separated from the driven element; in the direction perpendicular to the rotation axis, the size of the large-size part is larger than that of the base body, and a step surface is formed between the large-size part and the base body; the counting member further includes a relief groove extending from the step face to be close to the protrusion, and a stopper provided on the step face, the stopper being provided at a position adjacent to the relief groove.

Description

Reducible Delevoping cartridge

Technical field

The utility model relates to electrophotographic image forming fields more particularly to one kind to be removably mounted on electrophotographic image forming Delevoping cartridge in equipment, for the Delevoping cartridge after completing to count, answering for Delevoping cartridge is can be completed in the outside of Delevoping cartridge in operator Bit manipulation.

Background technique

Delevoping cartridge is that required consumables are accommodated in using electrophotographic image forming principle when electrophotographic image forming works Developer in Delevoping cartridge on sensitive piece by latent electrostatic image developing, then, it is developed after electrostatic latent image be transferred to imaging be situated between In matter, then passes through to be heated and pressurizeed and text or image are fixed on image forming medium.

Due to the limited volume in Delevoping cartridge, wherein the developer accommodated is once consumed and finishes, that is, need to change entire aobvious Otherwise, on the image forming medium exported from the device shadow box will not show the text or image of anticipation, for this purpose, existing aobvious Counting mechanism can be set in shadow box, according to developer level open ended in Delevoping cartridge, whether equipment control Delevoping cartridge works on, After equipment detects that the image forming job of the image forming medium of predetermined amount is completed in the Delevoping cartridge, i.e., operator can be prompted, the development Developer in box, which has been consumed, to be finished, and operator, which needs to change a new Delevoping cartridge, can continue work.

Existing, the testing agency in the counting mechanism and equipment cooperates, counting mechanism include counting gear and Multiple protrusions outstanding on counting gear, meanwhile, the testing agency in equipment includes a pair of of light emitting part and receiving element and peace Mounted in rotatable part between the two, when rotatable part is no longer blocked between light emitting part and receiving element by prominent role Path, and when not resetted by prominent role, equipment thinks that the Delevoping cartridge is a new Delevoping cartridge, and allows this aobvious Shadow box completes the image forming job of the image forming medium of predetermined amount.

For Delevoping cartridge manufacturer, Delevoping cartridge needs to test it before factory, as described above, at this moment In the process, the protrusion in Delevoping cartridge can with the rotation of counting gear the rotatable part in touches device, after the completion of test, The protrusion need to be reset to initial position, and no person, for terminal user when using the Delevoping cartridge, equipment can prompt the Delevoping cartridge not It is a new Delevoping cartridge.

Existing Delevoping cartridge protrusion reset mode need to first dismantle the end cap of Delevoping cartridge, then protrusion is resetted, and such mode is not It only needs to expend a large amount of working hours, and during manual operation resets, the structure of Delevoping cartridge may be destroyed, to cause terminal User is not available the defect of Delevoping cartridge.

Utility model content

The utility model provides a kind of reducible Delevoping cartridge, and after the completion of the box-counting that develops, operator does not need to show The end cap of shadow box is dismantled, and the protrusion of Delevoping cartridge can be directly resetted from outside.

To achieve the above object, the utility model the following technical schemes are provided:

Reducible Delevoping cartridge, including shell, power reception part, counting component and conductive component；The power reception part Two longitudinal ends of shell are located at counting component, counting component and conductive component are located at the same end of shell； Counting component includes that driven member, counting part and the elastic component between counting part and shell, the driven member are used for The driving force of power reception part is received, part is counted and is separably combined with driven member, and counting component is located at conductive component Periphery；

Count part include matrix, from the end protrusion outstanding of matrix, along the rotation axis perpendicular to counting component The direction of L3 is from another end of matrix to the large scale portion far from rotation axis L3 extension and from large scale portion far from The direction of matrix at least one protruding portion outstanding, the protruding portion combine in conjunction with driven member with disengaging；

On the direction perpendicular to rotation axis L3, the size in large scale portion is greater than the size of matrix, is formed therebetween Step surface；

Counting part further includes from step towards the release groove extended close to protruding portion and the blocking being arranged on step surface The position adjacent with release groove is arranged in portion, blocking portion.

Along the direction of rotation for counting part, the upstream of release groove is arranged in blocking portion.

Delevoping cartridge further includes the end cap ipsilateral with counting component, end cap includes end cover body, be arranged on end cover body second Through-hole and from the upper pressuring piece outstanding of at least one end cover body and the second through-hole wall, second through-hole is based on allowing Pieces passes through, and pressuring piece is kept in contact with step surface.

Before counting starts, the position of pressuring piece and step face contact is determined according to the angle that part need to rotate is counted.

Before pressuring piece enters release groove, counts part and combined with driven member holding, after pressuring piece enters release groove, count part It is combined with driven member disengaging.

Driven member include rotatable bodies, along rotatable bodies direction of rotation setting at least one power transfering part and First through hole on rotatable bodies is set, and conductive component passes through first through hole.

Counting part further includes that edge is parallel to rotation axis L3, from large scale portion to the direction outstanding at least one far from matrix A protruding portion, the protruding portion are used in conjunction with power transfering part and are detached from combine.

Power transfering part and protruding portion are disposed as multiple, and the interval between two neighboring protruding portion is formed as receiving The receiving slit of power transfering part.

Along the direction of rotation for counting part, the most upstream of each protruding portion is additionally provided with guiding face.

The inner cavity of matrix is connected to form accommodating chamber with the inner cavity in large scale portion, and when counting component is mounted, accommodating chamber is used Pass through in permission conductive component.

As described above, counting component described in the utility model is after completing primary count, operator only need according to Operation described in hereafter, which resets counting part, can guarantee that counting component is counted next time, not need operator Delevoping cartridge is dismantled, counting part is resetted, effectively increases the yield rate of Delevoping cartridge.

Detailed description of the invention

Figure 1A be the utility model relates to Delevoping cartridge from one of side when overall structure diagram.

Figure 1B be the utility model relates to Delevoping cartridge from another side when overall structure diagram.

Fig. 2 be the utility model relates to Delevoping cartridge other end structural exploded view.

Fig. 3 A be the utility model relates to Delevoping cartridge fall into a trap the overall structure diagram of pieces.

Fig. 3 B be the utility model relates to Delevoping cartridge fall into a trap the side view of pieces.

Fig. 3 C be the utility model relates to Delevoping cartridge in structural schematic diagram of the counting part from bottom.

Fig. 3 D be the utility model relates to Delevoping cartridge in counting component overall structure diagram.

Fig. 4 A be the utility model relates to Delevoping cartridge fall into a trap the structural representation that the end cap of side where pieces observes from internal Figure.

Fig. 4 B be the utility model relates to Delevoping cartridge fall into a trap side where pieces end cap side view.

Fig. 4 C be the utility model relates to Delevoping cartridge fall into a trap side where pieces end cap from the structural representation of external observation Figure.

Fig. 5 be the utility model relates to Delevoping cartridge along development part rotation axis cutting count part where side section view Figure.

Fig. 6 A be the utility model relates to Delevoping cartridge in the status diagram of counting component before counting.

Fig. 6 B be the utility model relates to Delevoping cartridge in status diagram of the counting component in counting.

Fig. 6 C be the utility model relates to Delevoping cartridge in the status diagram of counting component after counting.

Fig. 7 be the utility model relates to Delevoping cartridge in counting component after counting count the opposite of part and driven member Location status schematic diagram.

Fig. 8 be the utility model relates to Delevoping cartridge in counting component after counting count the opposite of part and driven member Position side view.

Specific embodiment

The embodiments of the present invention are described in detail with reference to the accompanying drawing, to become apparent from description, are first defined as follows: The length direction for defining Delevoping cartridge is longitudinal direction, and the width direction of Delevoping cartridge is laterally.

[overall structure of Delevoping cartridge]

Figure 1A be the utility model relates to Delevoping cartridge from one of side when overall structure diagram；Figure 1B Be the utility model relates to Delevoping cartridge from another side when overall structure diagram；Fig. 2 is that the utility model relates to And Delevoping cartridge other end structural exploded view.

As shown in FIG. 1A and 1B, Delevoping cartridge C includes shell 10,11 and of first end cover for being separately mounted to 10 both ends of shell Second end cover 12 and the revolving part 13 being rotatably installed in shell 10, the revolving part 13 are used as developer supply part For supplying development part to sensitive piece, that is to say, that first end cover 11 and second end cover 12 be located at shell 10 two are vertical Terminad, revolving part 13 between first end cover 11 and second end cover 12,

Meanwhile Delevoping cartridge C further includes by from the external power reception part 20 for receiving driving force and based on counting Array part 30, the revolving part 13 and counting component 30 receive the driving force that power reception part 20 passes over and rotate, wherein Revolving part 13 has rotation axis L1, and power reception part 20 has rotation axis L2, and counting component 30 has rotation axis L3, institute Rotation axis L1, L2 and L3 is stated to be parallel to each other.

As shown in Fig. 2, rotation axis L2 is located between rotation axis L1 and L3, this reality in the transverse direction of Delevoping cartridge C Counting component 30 is transferred to by actuator 15 with the driving force that in new embodiment, power reception part 20 is received, that is, is driven Part 15 is combined with counting component 30, and counting component 30 rotates under the driving effect of actuator 15 around rotation axis L3.The shell One end of body 10 has terminal surface 14, and actuator 15 is mounted on terminal surface 14, it is preferred that actuator 15 is sliding tooth Wheel, further, actuator 15 is not ipsilateral with power reception part 20, i.e. actuator 15 and power reception part 20 is located at shell 10 two longitudinal ends, counting component 30 and actuator 15 are ipsilateral, i.e., counting component 30 is located at power reception part 20 Two longitudinal ends of shell 10.

Continue as shown in Fig. 2, Delevoping cartridge C further includes the conductive component being mounted on terminal surface 14, the conductive component packet The conduct piece 17 for including mounting base 16 and being movably mounted in mounting base 16, thus, conductive component and actuator 15 and meter Array part 30 is located at the same end of shell 10；Mounting base 16 is whole cylindrical, and one end is fixed on terminal surface 14, the other end Form the free end with opening 163, that is to say, that the free end where the opening 163 of mounting base 16 is farthest from terminal surface 14； As shown, mounting base 16 include fixing body 161 and along Delevoping cartridge C longitudinal direction from opening 163 to close to terminal surface 14 The extension slot 162 of extension；Conduct piece 17 includes with the matched electric conductor 171 of the shape of fixing body 161 and from electric conductor 171 End excrescence 172 outstanding, conductive component assemble when, electric conductor 171 from opening 163 enter fixing body 161, and by Fixing body 161 accommodates, meanwhile, excrescence 172 slides into predetermined position along extension slot 162.

[counting component]

Fig. 3 A be the utility model relates to Delevoping cartridge fall into a trap the overall structure diagram of pieces；Fig. 3 B is the utility model The Delevoping cartridge being related to is fallen into a trap the side view of pieces；Fig. 3 C be the utility model relates to Delevoping cartridge in counting part from bottom Structural schematic diagram；Fig. 3 D be the utility model relates to Delevoping cartridge in counting component overall structure diagram.

Counting component 30 is rotated along direction shown in r around rotation axis L3, including driven member 31, is counted and part 32 and be located at The elastic component 33 between part 32 and shell 10 is counted, the driven member 31 is used to receive the driving force of power reception part 20, meter Pieces 32 is separably combined with driven member 31, and the counting component 30 is located at the periphery of conductive component, at this point, counting component 30 rotation axis L3 is overlapped with the center line of conductive component.Delevoping cartridge C is when counting, driven member 31 and 15 knot of actuator It closes, and driven member 31 receives the driving force of actuator 15 and rotates, meanwhile, driven member 31 be combined with each other with part 32 is counted, Part 32 is counted to rotate with driven member 31 together about rotation axis L3 under the driving of driven member 31；Delevoping cartridge C, which is counted, to be completed Afterwards, under the action of elastic component 33, driven member 31 with count part 32 disengaging combined, but driven member 31 still with actuator 15 It keeps combining, that is to say, that after the completion of Delevoping cartridge C counting, driven member 31 continues around under the driving effect of actuator 15 Rotation axis L3 rotation has disengaged from combination due to counting part 32 and driven member 31, no longer rotates at this point, counting part 32.

As shown in Fig. 2, driven member 31 includes rotatable bodies 311, along at least the one of the setting of 311 direction of rotation of rotatable bodies A power transfering part 312, in the utility model embodiment, the driven member 31 is gear, thus, driven member 31 further includes Tooth 314 on 311 excircle of rotatable bodies is set, and driven member 31 further includes that first be arranged on rotatable bodies 311 is led to Hole 313, thus, conductive component passes through first through hole 313, and conductive component is at least surrounded by the driven member 31；The power Transfer part 312 is set as from rotatable bodies 311 to the direction convex block outstanding far from terminal surface 14, the convex block 312 and meter Pieces 32 is combined and is detached from and combines.

As shown, counting part 32 includes matrix 32a, end protrusion 32b, Yi Jiyan outstanding from matrix 32a Perpendicular to rotation axis L3 direction from another end of matrix 32a to far from rotation axis L3 extend large scale portion 32c, Thus, on the direction where rotation axis L3, protrusion 32b and large scale portion 32c is located at the both ends of matrix 32a, is hanging down Directly on the direction of rotation axis L3, the size of large scale portion 32c is greater than the size of matrix 32a, forms step surface therebetween 32d；In the utility model embodiment, matrix 32a and large scale portion 32c are column；The protrusion 32b includes and matrix The connecting plate 32b2 of the multiple support column 32b1 and the multiple support column 32b1 of connection of 32a connection, it is preferred that the support column The quantity of 32b1 is two, diametrically setting of described two support column 32b1 along matrix.

To realize the combination for counting part 32 and driven member 31, the counting part 32 further includes that edge is parallel to rotation axis L3, from large scale portion 32c to direction at least one protruding portion 32e outstanding far from matrix 32a, the protruding portion 32e conduct Power reception portion, for being combined and being detached from combination with the power transfering part 312 being arranged in driven member 31, when power reception portion When 32e is combined with power transfering part 312, counts part 32 and receive the driving force of driven member 31 and rotate；As power reception portion 32e When being combined with the disengaging of power transfering part 312, counts part 32 and no longer receive the driving force of driven member 31 and remain stationary, meanwhile, Driven member 31 still maintains rotation；Preferably, count part 32 be set as being oppressed part compressing (is hereinafter described) and keep with The combination of driven member 31 counts part 32 and is combined with the disengaging of driven member 31 when counting part 32 is no longer oppressed part compressing.

Preferably, the power transfering part 312 and power reception portion 32e are disposed as multiple, and the two quantity is identical, such as Shown in figure, power transfering part 312 and power reception portion 32e are disposed as in a circumferential direction with four of uniform intervals arrangement, Interval between two neighboring power reception portion 32e is formed as the receiving slit 32f for receiving power transfering part 312, along counting The most upstream of the direction of rotation r of part 32, each power reception portion 32e are additionally provided with guiding face 32g, when counting part 32 and are driven When part 31 combines, guiding face 32g is smoothly combined for guiding counting part 32 with driven member 31, prevents driven member 31 right It counts part 32 and forms interference；As shown in Figure 3 C, the inner cavity of matrix 32a is connected to form accommodating chamber with the inner cavity of large scale portion 32c 32j, when counting component 30 is mounted, the accommodating chamber 32j is for allowing conductive component to pass through, to realize counting component 30 Rotation axis L3 be overlapped with the center line of conductive component.

As described above, combination need to be detached from by counting part 32 and driven member 31, this is practical after counting component 30 is completed to count In new embodiment, counting part 32 with driven member 31 is to realize to be detached from by elastic component 33 to be combined, and the elastic component 33 is preferably It for spring, and is installed in and counts between part 32 and shell 10, further, spring 33, which is installed in, to be counted part 32 and driven Between part 31, further, spring 33, which is installed in, to be counted between part 32 and conductive component.Specifically, as shown, spring 33 one end is abutted with part 32 is counted, and the other end is abutted with conductive component, and for the stabilization for keeping spring 33, counting part 32 further includes It is from connecting plate 32b2 to close to base for keeping first the maintaining part 32b3, the first maintaining part 32b3 of one end of spring 33 The direction of body 32a protruded stigma outstanding, and protruded stigma 32b3 is towards accommodating chamber 32j；One end of conduct piece 17 is provided with for protecting The second maintaining part 173 of the other end of spring 33 is held, second maintaining part 173 is the groove being arranged on conduct piece 17, edge The longitudinal direction of Delevoping cartridge C, groove 173 and excrescence 172 are located at two ends of electric conductor 171, thus, work as Delevoping cartridge After C is assembled, spring 33 is at least counted the encirclement of part 32.

Certainly, the shape of the first maintaining part 32b3 is not limited to above-mentioned protruded stigma, for example, the first maintaining part 32b3 can be with The recess being formed on connecting plate 32b2, the recess that one end of spring 33 is connected on plate 32b2 are accommodated；It is formed in conduction The shape of the second maintaining part 173 on part 17 is also not necessarily limited to above-mentioned groove, for example, the second maintaining part 173 can also be and be formed in Protruded stigma on conduct piece 17.

To realize that count part 32 is combined with the disengaging of driven member 31, as shown, counting part 32 further includes from step surface 32d To the release groove 32h extended close to power reception portion 32e, before pressuring piece enters release groove 32h, part 32 and driven member 31 are counted It keeps combining, after pressuring piece enters release groove 32h, counts part 32 and combined with the disengaging of driven member 31.

[second end cover]

Fig. 4 A be the utility model relates to Delevoping cartridge fall into a trap the structural representation that the end cap of side where pieces observes from internal Figure；Fig. 4 B be the utility model relates to Delevoping cartridge fall into a trap side where pieces end cap side view；Fig. 4 C is the utility model The Delevoping cartridge being related to fall into a trap side where pieces end cap from the structural schematic diagram of external observation.

Second end cover 12 and counting component 30 are ipsilateral, including end cover body 121, the second through-hole being arranged on end cover body 121 122 and from the upper pressuring piece 123 outstanding of at least one 122 inner wall of end cover body 121 and the second through-hole, second through-hole 122 It is passed through for allowing to count part 32, pressuring piece 123 with counting component 30 for being combined, so that counting part 32 and the guarantor of driven member 31 Hold combination.

As shown, end cover body 121 has the inside 12a towards the shell 10 and outside 12b far from shell 10, second end Lid 12 further includes the ennation 124 extended from outside 12b to the direction far from inside 12a, and the ennation 124 is logical across second Hole 122, as shown in Figure 4 B, when observing along the direction perpendicular to end cover body 121, through-hole 122 is divided into phase by ennation 124 Two adjacent contact grooves 125, and two contact grooves 125 are not overlapped with end cover body 121, the support column 32b1 for counting part can lead to Contact groove 125 is crossed to stretch out except end cap 12.

Preferably, pressuring piece 123 from 122 inner wall of the second through-hole towards the second through-hole 122 in it is prominent, as shown in Figure 4 B, when When observing along the direction perpendicular to end cover body 121, pressuring piece 123 is Chong Die at least part of ennation 124；Such as Fig. 4 A institute Show, on the inside of being directed toward by the outside 12b of end cover body 121 on the direction of 12a, pressuring piece 123 is no more than inside 12a.

Fig. 5 be the utility model relates to Delevoping cartridge along development part rotation axis cutting count part where side section view Figure.

As shown in figure 5, counting component 30 is between second end cover 12 and shell 10, pressure after Delevoping cartridge C assembling Compel part 123 to contact with step surface 32d, be combined at this point, counting part 32 with the holding of driven member 31, and spring 33 is counted the pressure of part 32 Compel and keeps compressive state.

[course of work of counting component]

Fig. 6 A be the utility model relates to Delevoping cartridge in the status diagram of counting component before counting；Fig. 6 B is this reality With status diagram of the counting component in counting in the novel Delevoping cartridge being related to；Fig. 6 C be the utility model relates to Delevoping cartridge The status diagram of middle counting component after counting；Fig. 7 be the utility model relates to Delevoping cartridge in counting component after counting Counting part and driven member relative position status diagram；Fig. 8 be the utility model relates to Delevoping cartridge in counting component The relative position side view of counting part and driven member after counting.

As shown in Figure 6A, it counts before starting, pressuring piece 123 is kept in contact with step surface 32d, at this point, counting the dynamic of part 32 Power receiving unit 32e is combined (as shown in Figure 3D) with the power transfering part 312 of driven member 31, and spring 33 is compressed, thus, work as quilt When the driving force that actuator 31 receives actuator 15 starts rotation, the also rotation of direction shown in r along figure by driving of part 32 is counted Turn, meanwhile, protrusion 32b is also rotated along direction shown in r.

Since pressuring piece 123 and second end cover 12 are integrally formed, in 30 motion process of counting component, pressuring piece 123 remain stationary, and as shown in Figure 6B, rotate with part 32 is counted along direction shown in r, release groove 32h moves closer to pressuring piece 123, as shown in Figure 6 C, when release groove 32h is opposite with pressuring piece 123, pressuring piece 123 enters release groove 32h, counts and completes, The oppressive force that part 32 is no longer influenced by pressuring piece 123 is counted, under the elastic-restoring force effect of spring 33, counts part 32 to far from quilt The direction of actuator 31 moves, and as shown in Figure 7 and Figure 8, power reception portion 32e is combined with the disengaging of power transfering part 312, at this point, Driven member 31 still maintains and the combination of actuator 15, and receives the driving force of actuator 15 always and revolve along direction shown in r Turn, counts part 32 and remain stationary motionless due to no longer receiving the driving force of driven member 31.

As long as pressuring piece 123 need to keep connecing with step surface 32d it can be seen from the above, counting component 30 is not yet completed to count Touching is completed once counting, and pressuring piece 123 can enter release groove 32h, is combined so that counting part 32 with the disengaging of driven member 31, Therefore, before counting starts, angle that position that pressuring piece 123 is contacted with step surface 32d can need to be rotated according to part 32 is counted To determine.

When the counting component 30 needs to be reset, it is only necessary to which the elastic force for overcoming spring 33 will count part 32 and be driven to close The direction of moving part 31 presses, so that pressuring piece 123 is not be overlapped with release groove 32h on the direction where rotation axis L3, together For Shi Jixu along the pieces of direction tropometer shown in r 32, pressuring piece 123 returns to step surface 32d, and keeps contacting with step surface 32d, bullet Spring 33 is compressed again, thus, count part 32 recombines with driven member 31, and counting component 30 can be counted next time.

In the utility model embodiment, for prevent pressuring piece 123 before counting enter release groove 32h cause count part 32 with Driven member 31, which is detached from, to be combined, and as shown in Figure 3A, counting part 32 further includes the blocking portion 32i being arranged on step surface 32d, preferably , blocking portion 32i is from step surface 32d to the raised of the direction extension far from power reception portion 32e, further, along counting The upstream of release groove 32h is arranged in the direction of rotation r of part 32, blocking portion 32i, further, blocking portion 32i setting with release The adjacent position slot 32h is put, therefore, before counting component 30 starts counting, contacting by block piece 32i with pressuring piece 123 can It effectively prevent counting part 123 and be rotated along the direction contrary with shown in r, also would not be before occurrence count, pressuring piece 123 enters Release groove 32h.

After completing primary count, operator only needs according to aforesaid operations counting component 30 described in the utility model Being resetted to counting part 32 can guarantee that counting component 30 is counted next time, does not need operator and dismantles Delevoping cartridge It is resetted to part 32 is counted, effectively increases the yield rate of Delevoping cartridge.

Claims (10)

1. reducible Delevoping cartridge, including shell, power reception part, counting component and conductive component；The power reception part with Counting component is located at two longitudinal ends of shell, and counting component and conductive component are located at the same end of shell；

It is characterized in that,

Counting component includes driven member, counts part and positioned at the elastic component counted between part and shell, the driven member For receiving the driving force of power reception part, counts part and separably combined with driven member, and counting component is located at conductive group The periphery of part；

Count part include matrix, from the end protrusion outstanding of matrix, along the rotation axis L3 perpendicular to counting component Direction is from another end of matrix to the large scale portion extended far from rotation axis L3 and from large scale portion to far from matrix Direction at least one protruding portion outstanding, the protruding portion in conjunction with driven member be detached from combine；

On the direction perpendicular to rotation axis L3, the size in large scale portion is greater than the size of matrix, forms step therebetween Face；

Counting part further includes from step towards the release groove extended close to protruding portion and the blocking portion being arranged on step surface, resistance The position adjacent with release groove is arranged in stopper.

2. reducible Delevoping cartridge according to claim 1, which is characterized in that along the direction of rotation for counting part, blocking portion The upstream of release groove is set.

3. reducible Delevoping cartridge according to claim 2, which is characterized in that Delevoping cartridge further includes ipsilateral with counting component End cap, end cap include end cover body, the second through-hole being arranged on end cover body and from end cover body and the second through-hole wall at least One of upper pressuring piece outstanding, second through-hole passed through for allowing to count part, pressuring piece is kept in contact with step surface.

4. reducible Delevoping cartridge according to claim 3, which is characterized in that before counting starts, pressuring piece and step surface The position of contact is determined according to the angle that part need to rotate is counted.

5. reducible Delevoping cartridge according to claim 3, which is characterized in that before pressuring piece enters release groove, count part It is combined with driven member holding, after pressuring piece enters release groove, counts part and combined with driven member disengaging.

6. reducible Delevoping cartridge according to claim 5, which is characterized in that driven member includes rotatable bodies, along can At least one power transfering part of rotary body direction of rotation setting and the first through hole being arranged on rotatable bodies, conductive group Part passes through first through hole.

7. reducible Delevoping cartridge according to claim 6, which is characterized in that counting part further includes that edge is parallel to rotary shaft Line L3, from large scale portion to direction at least one protruding portion outstanding far from matrix, the protruding portion is used to transmit with power Portion combines and is detached from and combines.

8. reducible Delevoping cartridge according to claim 7, which is characterized in that power transfering part and protruding portion are disposed as Multiple, the interval between two neighboring protruding portion is formed as the receiving slit for receiving power transfering part.

9. reducible Delevoping cartridge according to claim 8, which is characterized in that each prominent along the direction of rotation for counting part The most upstream in portion is additionally provided with guiding face out.

10. reducible Delevoping cartridge according to claim 9, which is characterized in that the inner cavity of matrix is interior with large scale portion Chamber is connected to form accommodating chamber, and when counting component is mounted, accommodating chamber is for allowing conductive component to pass through.