CN108153125B

CN108153125B - Delevoping cartridge

Info

Publication number: CN108153125B
Application number: CN201810032876.2A
Authority: CN
Inventors: 蒲宏礼
Original assignee: Zhongshan Chengwei Technology Co Ltd
Current assignee: Zhongshan Chengwei Technology Co Ltd
Priority date: 2017-10-11
Filing date: 2018-01-13
Publication date: 2019-07-23
Anticipated expiration: 2038-01-13
Also published as: CN108153125A; CN108021004B; CN108021004A

Abstract

The present invention relates to a kind of Delevoping cartridges, including shell, it is mounted on the Driving terminal and counting component and power reception part of one longitudinal end of shell, counting component includes locating piece, sliding part, counts tooth, the first elastic component, shifting part and the second elastic component, and sliding part is extended and is mounted in locating piece with retracting；The gear cavity that tooth includes cylindric counting tooth ontology and is enclosed by counting tooth ontology is counted, sliding part is abutted with gear cavity side wall；It counts and is provided at least one varying diameter portion and non-varying diameter portion on the gear cavity side wall of tooth, varying diameter portion is connect with non-varying diameter portion, the time that sliding part stretches out is positively correlated with varying diameter portion and non-varying diameter portion the two with farther one arc length of counting gear circle center distance, thus, on the basis of realizing development box-counting, the time that can also be stretched out by determining sliding part in setting varying diameter portion and non-varying diameter portion the two with farther one arc length of counting gear circle center distance, to accurately control the gate time of Delevoping cartridge.

Description

Delevoping cartridge

Technical field

The present invention relates to electrophotographic image forming field more particularly to a kind of developments suitable for electrophotographic image forming Box.

Background technique

Electrophotographic image forming is to be formed using the laser irradiation photosensitive part surface for being loaded with image-forming information on photosensitive part surface Electrostatic latent image recycles developer by latent electrostatic image developing, is then again transferred into the electrostatic latent image after development by photosensitive part As medium, it is finally fixed cured process.Common, the developer for developing electrostatic latent image is stored in the aobvious of Delevoping cartridge In shadow agent storage chamber, to ensure terminal user in use, can promptly and accurately grasp developer life information, at As being provided with counting device in equipment and Delevoping cartridge.

Fig. 1 is a kind of existing counting device structural schematic diagram.As shown, the counting device includes in an imaging device Be arranged by contact member 100, the triggering end being arranged in Delevoping cartridge 052, with triggering end 052 be integrally formed contact jaw 051, And the rotating member 04 that triggering contact jaw 051 moves.When initial, described be triggered by contact member 100 holds 052 to abut, this turn Moving part 04 includes large diameter portion 042, path part 043 and the protrusion 041 coaxial with rotating member 04, the week of large diameter portion 042 To elastic-friction layer is provided with, when the large diameter portion 042 is opposite with driving gear 031, rotating member 04 is driven and the G along figure Shown direction rotates, contact jaw 051 driven under the drive of protrusion 041 triggering end 052 move, by contact member 100 no longer by Triggering end 052 abuts；When path part 043 is opposite with driving gear 031, rotating member 04 cannot be driven to rotate, described convex Portion 041 is also disengaged with contact jaw 051, and triggering end 052 is abutted again by contact member 100, and Delevoping cartridge is completed to count, because And the life information of developer is identified in Delevoping cartridge.

Although above structure can complete the counting process of Delevoping cartridge, since the circumferential direction of large diameter portion 042 is provided that Elastic-friction layer, which easily loses its due spring function under the adverse circumstances of high temperature and humidity, and then causes Rotating member 04 cannot be driven to rotate, and the Counts of Delevoping cartridge cannot also be completed.

Summary of the invention

The present invention provides a kind of Delevoping cartridge, and the counting device in the Delevoping cartridge is realized by mechanical structure, on rotating member no longer Elastic-friction layer is set, and then ensures that the Counts of Delevoping cartridge can smoothly complete.

To achieve the above object, the invention adopts the following technical scheme:

Delevoping cartridge including shell, is mounted on the Driving terminal of one longitudinal end of shell and counting component and power connect Addressee, the power reception part are used to receive driving force from outside, and counting component receives the drive that power reception part passes over It starts to work when power；The counting component includes locating piece, sliding part, counts tooth, the first elastic component, shifting part and the second bullet Property part, locating piece is fixed between Driving terminal and shell, and passes through and count tooth；Sliding part is extended and is mounted on retracting In locating piece；Tooth is counted for receiving the driving force that power reception part passes over, including cylindric counting tooth ontology, setting It is supported in the tooth counted on tooth ontology circumference and the gear cavity being enclosed by counting tooth ontology, sliding part with gear cavity side wall It connects；First elastic component, which is installed in, to be counted between tooth and shell, and the second elastic component is installed between sliding part and locating piece；It dials Moving part is installed in rotation on shell, and is kept in contact with sliding part；It is described count tooth gear cavity side wall on be provided with to A few varying diameter portion and non-varying diameter portion, varying diameter portion are connect with non-varying diameter portion, time of sliding part stretching and the varying diameter portion and non- It is positively correlated in varying diameter portion the two with farther one arc length of counting gear circle center distance.

Delevoping cartridge is applicable to be provided with by the imaging device of contact member, including shell, is mounted on one longitudinal direction of shell The Driving terminal and counting component and power reception part of end, the power reception part are used to receive driving force, meter from outside Start-up operation when array part receives the driving force that power reception part passes over, the counting component cooperate with by contact member Realize development box-counting；The counting component includes locating piece, sliding part, counts tooth, the first elastic component, shifting part and the second bullet Property part, locating piece is fixed between Driving terminal and shell, and passes through and count tooth；Sliding part is movably mounted at locating piece In；Tooth is counted for receiving the driving force that power reception part passes over, is being counted including cylindric counting tooth ontology, setting Tooth on tooth ontology circumference and the gear cavity being enclosed by counting tooth ontology, sliding part are abutted with gear cavity side wall；First Elastic component, which is installed in, to be counted between tooth and shell, and the second elastic component is installed between sliding part and locating piece；Shifting part packet Clicking section interconnected and rotating part are included, rotating part is rotatably installed on shell, and clicking section receives the effect of sliding part Power, realization is contacted with by contact member, is disengaged to being contacted again, and is kept in contact with sliding part；The tooth for counting tooth It is provided at least one varying diameter portion and non-varying diameter portion on wheel chamber side wall, varying diameter portion is connect with non-varying diameter portion, the clicking section and quilt In time that contact member disengages and the varying diameter portion and non-varying diameter portion the two with counting gear circle center distance farther one A arc length is positively correlated.

The center of circle of tooth is counted to the distance of varying diameter portion not equal to the gear cavity radius of counting tooth, counts the center of circle of tooth to non-change The distance in diameter portion is equal to the gear cavity radius for counting tooth.

Locating piece includes cover, cavity portion and positioning region, and the cavity portion is connect with cover and positioning region respectively, and is located at Between cover and positioning region, cover includes lid in the form of annular discs, the second guide channel being arranged on lid and positioning protrusion, is determined Position protrudes through location hole；Cavity portion is for accommodating sliding part, including interconnected the first cavity and the second cavity；Positioning region Extend from the outer wall of cavity portion to the direction far from cover.

Along the length direction of locating piece, first has been extended to form to the direction far from the first cavity from the outer wall of the second cavity Support column and the second support column.

When being rotated using R1 as the center of circle, circle decentraction where the rotational trajectory of center of circle R2 and center of circle R3, wherein R1 is lid The center of circle in portion, R2 are the center of circle of the first support column, and R3 is the center of circle of the second support column.

The distance between center of circle R1 and the center of circle R2 R1R2 and the distance between center of circle R1 and the center of circle R3 R1R3 etc..

The tooth that counts further includes the partition in the gear cavity, be provided on partition centre bore, the first alignment hole and Second alignment hole, for allowing locating piece to pass through, the first alignment hole and the second alignment hole are respectively used to and first the centre bore Support column and the cooperation of the second support column.

Circle decentraction when being rotated using R4 as the center of circle, where the rotational trajectory of center of circle R5 and center of circle R6, wherein R4 is meter The center of circle of number tooth, R5 are the center of circle of the first alignment hole, and R6 is the center of circle of the second alignment hole.

The distance between center of circle R4 and the center of circle R5 R4R5 and the distance between center of circle R4 and the center of circle R6 R4R6 etc..

The distance between center of circle R1 and the center of circle R2 R1R2 are equal to the distance between center of circle R4 and the center of circle R5 R4R5, and center of circle R1 The distance between center of circle R3 R1R3 be equal to center of circle R4 and the distance between center of circle R6 R4R6.

The counting component of Delevoping cartridge is realized by mechanical structure, is connected with each other by being arranged on the gear cavity side wall for counting tooth Varying diameter portion and non-varying diameter portion, and in time for stretching out of sliding part and the varying diameter portion and non-varying diameter portion the two with counting gear circle The heart is positively correlated apart from farther one arc length, thus, on the basis of realizing development box-counting, additionally it is possible to pass through and set variable diameter Shifting part is determined in portion and non-varying diameter portion the two with farther one arc length of counting gear circle center distance and by contact member The time that the time disengaged or sliding part stretch out, to accurately control the gate time of Delevoping cartridge.

Detailed description of the invention

Fig. 1 is a kind of existing counting device structural schematic diagram.

Fig. 2 is the overall structure diagram of handle box of the present invention.

Fig. 3 is the decomposition diagram of handle box of the present invention.

Fig. 4 is the structural schematic diagram at the driving end of Delevoping cartridge of the present invention.

Fig. 5 is the decomposition diagram at the driving end of Delevoping cartridge of the present invention.

Fig. 5 A is the structural schematic diagram on the inside of the Driving terminal of Delevoping cartridge of the present invention.

Fig. 5 B is the structural schematic diagram of the locating piece of Delevoping cartridge of the present invention.

Fig. 5 C is structural schematic diagram of the locating piece of Delevoping cartridge of the present invention from one of end.

Fig. 5 D is the structural schematic diagram of the sliding part of Delevoping cartridge of the present invention.

Fig. 5 E is the positive structure schematic of the counting tooth of Delevoping cartridge of the present invention.

Fig. 5 F is the reverse structure schematic of the counting tooth of Delevoping cartridge of the present invention.

Fig. 5 G is the front plan view of the counting tooth of Delevoping cartridge of the present invention.

Fig. 5 H is the structural schematic diagram of the shifting part of Delevoping cartridge of the present invention.

Fig. 6 is the decomposition diagram of the conducting end of Delevoping cartridge of the present invention.

Fig. 6 A is part-structure enlarged diagram of the Delevoping cartridge of the present invention in conjunction with drum component.

Fig. 7 is the structural schematic diagram of the first conducting bracket of Delevoping cartridge of the present invention.

Fig. 8 is the side view of the conducting end of Delevoping cartridge of the present invention.

The part-structure enlarged diagram of Fig. 9 developer roll conducting end of the present invention.

Figure 10 A be counting component of the present invention before counting, the overall structure diagram of Delevoping cartridge.

Figure 10 B be counting component of the present invention before counting, Delevoping cartridge drive end side view.

Figure 10 C be counting component of the present invention before counting, the cross-sectional view along the direction J-J.

Figure 10 D be counting component of the present invention before counting, the cross-sectional view along the direction K-K.

Figure 11 A is counting component of the present invention in counting, the overall structure diagram of Delevoping cartridge.

Figure 11 B is counting component of the present invention in counting, and Delevoping cartridge drives the side view at end.

Figure 11 C is cross-sectional view of the counting component of the present invention in counting, along the direction J-J.

Figure 11 D is cross-sectional view of the counting component of the present invention in counting, along the direction K-K.

Figure 12 A is counting component of the present invention after the completion of counting, the overall structure diagram of Delevoping cartridge.

Figure 12 B is counting component of the present invention after the completion of counting, and Delevoping cartridge drives the side view at end.

Figure 12 C is cross-sectional view of the counting component of the present invention after the completion of counting, along the direction J-J.

Figure 12 D is cross-sectional view of the counting component of the present invention after the completion of counting, along the direction K-K.

Specific embodiment

Detailed description of the present invention embodiment with reference to the accompanying drawing.

[structure of handle box]

Fig. 2 is the overall structure diagram of handle box of the present invention；Fig. 3 is the decomposition of handle box of the present invention Schematic diagram.To keep description clearer, first the following all directions description used is defined as follows: the length direction of handle box C For longitudinal X, the width direction of handle box C is that the short transverse of transverse direction Y, handle box C are vertical Z, and from the driving end of handle box C The direction for being directed toward conducting end is +X direction, and the direction (A) that handle box C is installed to imaging device is +Y direction, that is to say, that processing Box C install to the direction A of imaging device with it is horizontally-parallel.

As shown, handle box C includes bulging component PU and the Delevoping cartridge D that is removably mounted in bulging component PU, institute Stating Delevoping cartridge D, A is mounted to bulging component PU in assembly direction.The bulging component PU include front end PU0, the first side PU1, after End PU2, the second side PU3 and bottom wall PU5, wherein front end PU0 is oppositely arranged in a lateral direction with rear end PU2, the One side PU1 and the second side PU3 are oppositely arranged in a longitudinal direction, and front end PU0 is located under the PU2 transverse direction of rear end Trip, the first side PU1 are located at the upstream of the second side PU3 longitudinal direction, the front end PU0, the first side PU1, rear end PU2 and the second side PU3 is sequentially connected and is enclosed Delevoping cartridge accommodating chamber PU4 with bottom wall PU5.When handle box C is mounted to After imaging device, in a longitudinal direction, one end of handle box C receives driving force from imaging device, and the other end is from imaging device Middle reception electric power, thus, the handle box C is respectively provided with conducting end E and driving end F in two longitudinal ends, correspondingly, development Box D is also respectively provided with conducting end E and driving end F in two longitudinal ends.

Continue as shown in Fig. 2, being additionally provided with the drum component handle PU21 for grabbing bulging component PU on the rear end face PU2 Extend in a longitudinal direction with end edge PU22, the bulging component handle PU21 and end edge PU22, and from rear end face PU2 It is prominent to -Y direction.Delevoping cartridge D by the fastening component 5 (being described below) being wherein arranged in conjunction with end edge PU22, The combination of Delevoping cartridge D and drum component PU in a vertical direction is realized, to prevent Delevoping cartridge D from taking off from drum component PU at work Out.

[structure of Delevoping cartridge]

Delevoping cartridge D be suitable for imaging device, by drum component be removably mounted in imaging device, including shell 1, can The development part 10 that is rotationally mounted in shell 1, the conductive component 3 for being separately mounted to 1 two longitudinal ends of shell and driving end Lid 21, the Delevoping cartridge handle 11 outstanding from shell 1, in the transverse direction of Delevoping cartridge D, the Delevoping cartridge handle 11 and development Part 10 is oppositely arranged, and Delevoping cartridge handle 11 is located at the upstream of development 10 transverse direction of part, and the development part 10 has rotation axis L2.After Delevoping cartridge D is mounted to bulging component PU, to prevent Delevoping cartridge D from deviating from from drum component PU, the Delevoping cartridge D is also wrapped The fastening component 5 being mounted on shell 1 is included, meanwhile, to guarantee Delevoping cartridge D in a longitudinal direction with drum component PU with scheduled knot Resultant force combines, and the Delevoping cartridge D further includes that be mounted on shell 1 urgent pushes away component 4, as shown, fastening component 5 and compeling to push away group Part 4 is respectively positioned on the rear end of Delevoping cartridge D installation direction；It is described fastening component 5 by with drum component PU end edge PU22 combine, reality Now prevent Delevoping cartridge D from deviating from from drum component PU；It is described to compel to push away component 4 by abutting with the rear end face PU2 of drum component PU, it realizes Delevoping cartridge D in a longitudinal direction with drum component PU with scheduled binding force in conjunction with.

[structure at Delevoping cartridge driving end]

Fig. 4 is the structural schematic diagram at the driving end of Delevoping cartridge of the present invention；Fig. 5 is Delevoping cartridge of the present invention Drive the decomposition diagram at end；Fig. 5 A is the structural schematic diagram on the inside of the Driving terminal of Delevoping cartridge of the present invention；Fig. 5 B is The structural schematic diagram of the locating piece of Delevoping cartridge of the present invention；Fig. 5 C is the locating piece of Delevoping cartridge of the present invention from wherein The structural schematic diagram of one end observation；Fig. 5 D is the structural schematic diagram of the sliding part of Delevoping cartridge of the present invention；Fig. 5 E is The positive structure schematic of the counting tooth of Delevoping cartridge of the present invention；Fig. 5 F is the counting tooth of Delevoping cartridge of the present invention Reverse structure schematic；Fig. 5 G is the front plan view of the counting tooth of Delevoping cartridge of the present invention；Fig. 5 H be the present invention relates to Delevoping cartridge shifting part structural schematic diagram.

As shown in figure 4, the driving end F of the Delevoping cartridge D is at least equipped with power reception part 22, meanwhile, Delevoping cartridge D is also wrapped Include the counting component 23 and Driving terminal 21 for being mounted on 1 one longitudinal ends of shell, the counting component 23 in printer It is abutted by contact member, the start-up operation when receiving from the driving force that power reception part 22 passes over, and by contact structure The counting of Delevoping cartridge is realized in part cooperation, thus, the counting component 23 can be set in driving end F, also can be set in conduction E is held, from the point of view of improving Delevoping cartridge D transmission efficiency, it is preferred that the setting of counting component 23 is in driving end F.

As shown in figure 5, power reception part 22 has rotation axis L1, including 221 He of power transmitting gear be combineding with each other Power reception portion 222, the power reception portion 222 pass through Driving terminal 21, for receiving driving force, power transmission tooth from outside Wheel 221 rotates under the driving in power reception portion 222, and then transfers a driving force to the gear engaged, such as development part Gear, powder feeding part gear, stirring parts gear etc..

[structure of counting component]

As shown in figure 5, counting component 23 include locating piece 231, sliding part 232, count tooth 233, the first elastic component 234, Shifting part 235 and the second elastic component 236, the locating piece 231 are fixed between Driving terminal 21 and shell 1, and pass through meter Number teeth 233, sliding part 232 is movably mounted in locating piece 231, the positive glide direction shown in d1 and with the direction d1 The sliding of the opposite direction d2, that is, negative glide direction, when the positive glide direction sliding shown in the d1 of sliding part 232, sliding part 232 Stretch out, when the sliding of the negative glide direction shown in the d2 of sliding part 232, sliding part 232 is retracted, i.e., sliding part 232 it is extended and It is mounted in locating piece 231 with retracting；In the glide direction d1 and d2 of the sliding part 232, where at least glide direction d1 Straight line intersect with the rotation axis L1 of power reception part 22, thus, it can be ensured that sliding part 232 is contacted with shifting part 235, preferably , the straight line at least where glide direction d1 is vertical with the rotation axis L1 of power reception part 22, it is furthermore preferred that the sliding side It is vertical with the rotation axis L1 of power reception part 22 to the straight line where d1 and d2；The counting tooth 233 is for receiving power The driving force that receiving element 22 passes over；First elastic component 234, which is installed in, to be counted between tooth 233 and shell 1, the second bullet Property part 236 is installed between sliding part 232 and locating piece 231, and shifting part 235 is installed in rotation on shell 1, and with cunning Moving part 232 is kept in contact, and when sliding part 232 applies active force to shifting part 235, shifting part 235 rotates about axis rotation.

Before further describing each modular construction of counting component 23, first the structure of Driving terminal 21 is described.

As shown in figs. 5 and 5, Driving terminal 21 includes Driving terminal main body 211, is arranged in Driving terminal main body 211 Through-hole 212, counting hole 213, labeling section 214 and projecting plate 215, the through-hole 212 is for allowing power reception portion 222 to wear It crosses；Labeling section 214 is corresponding with the labeled portion on counting component 23, the state to indication counter component 23；214 edge of labeling section The circumferencial direction of counting hole 213 is arranged, and can be any visual shape or color, it is preferred that the labeling section 214 is setting Arrow mark in Driving terminal main body 211；The projecting plate 215 is dashed forward from the inner wall of counting hole 213 into counting hole 213 Out, projecting plate 215 is rounded, looping pit 2131 is formed between projecting plate 215 and the inner wall of counting hole 213, in projecting plate 215 Center at offer location hole 2151, the location hole 2151 for being combined with locating piece 231, determine by realization locating piece 231 Position, has extended to form the first guide channel 2152 from location hole 2151 along the radial direction of projecting plate 215, thus, location hole 2151 It is connected to the first guide channel 2152, first guide channel 2152 is according to the component move distance slided in the first guide channel 2152 Can be set to it is closed or open, when the first guide channel 2152 be it is open when, location hole 2151, the first guide channel 2152 It is interconnected with looping pit 2131.

After Delevoping cartridge D completes to assemble, the locating piece 231 is fixed between Driving terminal 21 and shell 1, specifically , locating piece 231 is between projecting plate 215 and shell 1, and the sliding part 232 is guided by the first guide channel 2152, to ensure The active force of sliding part 232 can be applied to shifting part 235, and the Driving terminal 21 further includes being disposed adjacent with counting hole 213 Functional hole 216, the sliding part 232 contacted with shifting part 235 by functional hole 216.

Below with reference to the structure of each component in Fig. 5 B- Fig. 5 H detailed description counting component 23.

[structure of locating piece]

As shown in Figure 5 B, locating piece 231 includes first part (cover) 231a, second part (cavity portion) 231b and third Partially (positioning region) 231c, the second part 231b is connect with first part 231a and Part III 231c respectively, and is located at Between first part 231a and Part III 231c.

First part 231a includes lid 231a1 in the form of annular discs, the second guide channel being arranged on lid 231a1 231a2 and positioning protrusion 231a3, the second guide channel 231a2 pass through fixed for guiding sliding part 232, positioning protrusion 231a3 Position hole 2151, to guarantee that locating piece 231 is positioned between Driving terminal 21 and shell 1.

Second part 231b is for accommodating sliding part 232, including interconnected the first cavity 231b1 and the second cavity 231b2, along the length direction of locating piece 231, the first cavity 231b1 close to first part 231a, and with the second guide channel 231a2 Connection, the second cavity 231b2 is close to Part III 231c, on the direction vertical with the second guide channel 231a2 side wall, the second chamber Body 231b2 is longer than the first cavity 231b1, thus, first step is formed between the first cavity 231b1 and the second cavity 231b2 Portion 231b3；Along the length direction of locating piece 231, from the outer wall of the second cavity 231b2 to the direction far from the first cavity 231b1 The first support column 231b4 and the second support column 231b5, the first support column 231b4 and the second support column are extended to form 231b5 extends identical length, and parallel with Part III 231c, it is preferred that the first support column 231b4 and the second support column 231b5 is cylindrical body, as shown in Figure 5 C, when from the free terminal from the two, first part 231a have center of circle R1, first There is support column 231b4 center of circle R2, the second support column 231b5 there is center of circle R3, R1R2 to indicate between center of circle R1 and center of circle R2 Distance, R1R3 indicates the distance between center of circle R1 and center of circle R3, and in the embodiment of the present invention, R1R2 and R1R3 are differed, that is to say, that When using R1 as the center of circle, the distance between R1R2 is that radius draws bowlder, center of circle R3 is not on the circle, or works as using R1 as the center of circle, The distance between R1R3 is that radius draws bowlder, and center of circle R2 is not on the circle, in other words, when being rotated using R1 as the center of circle, the center of circle Circle decentraction where the rotational trajectory of R2 and center of circle R3.

Part III 231c is rhabodoid, and along the length direction of locating piece 231, Part III 231c is from the second cavity The outer wall of 231b2 extends to the direction far from first part (cover) 231a, and the ratio first that Part III 231c extends supports Column 231b4 and the second support portion 231b5 are longer, and after Delevoping cartridge D is completed, the Part III 231c is contacted with shell 1.

[structure of sliding part]

As shown in Figure 5 D, sliding part 232 has front end face 2323 and rear end face 2324, along the positive sliding side of sliding part 232 To d1, the front end face 2323 is located at the downstream of rear end face 2324, and sliding part 232 includes the first slide mass 2321 interconnected With the second slide mass 2322, slide protrusion 2325, be directed to protrusion 2326, the slide protrusion 2325 along sliding part 232 just Glide direction is prominent from front end face 2323, for applying to shifting part 235 when sliding part 232 is slided along positive glide direction d1 Active force；Protrusion 2326 is directed to along parallel and with sliding part 232 at least one in front end face 2323 and rear end face 2324 The vertical direction of glide direction is prominent from the first slide mass 2321, described to be directed to 2326 quilt of protrusion when sliding part 232 slides First guide channel 2152 and the second guide channel 231a2 guiding.

It is formed with second step portion 2327 in the critical part of first slide mass 2321 and the second slide mass 2322, works as cunning After moving part 232 is mounted to locating piece 231, first slide mass 2321 is accommodated by the first cavity 231b1, the second slide mass 2322 are accommodated by the second cavity 231b2, and first step portion 231b3 and second step portion 2327 are opposite, thus, sliding part 232 is not It can deviate from from locating piece 231.

Second elastic component 236 is installed between sliding part 232 and locating piece 231, for providing back and forth for sliding part 232 Motoricity, it is preferred that second elastic component 236 is spring, to prevent spring 236 from deviating from, is also set up on the sliding part 232 Have the second elastic component receiving portion 2328 for accommodating the second elastic component 236, specifically, the second elastic component receiving portion 2328 be from The holding tank that end face 2323 extends forward of sliding part rear end face 2324.

[structure for counting tooth]

As shown in fig. 5e, counting tooth 233 includes cylindric counting tooth ontology 233a, setting on counting tooth ontology circumference Tooth 233b, the gear cavity 233i, the partition 233c in gear cavity that are enclosed by counting tooth ontology and setting counting The first protrusion 233g on number tooth ontology.

It is corresponding with labeling section 214, labeled portion 233g1, as shown in fig. 5e, institute are provided on the first protrusion 233g Stating labeled portion 233g1 is the groove being arranged on the first protrusion 233g.

The partition 233c is integrated or separately formed with tooth ontology 233a is counted, and is additionally provided with centre bore on partition 233c 233f, the first alignment hole 233d and the second alignment hole 233e, the centre bore 233f are for allowing locating piece 231 to pass through, and first Alignment hole 233d and the second alignment hole 233e is respectively used to cooperate with the first support column 231b4 and the second support column 231b5, such as schemes Shown in 5G, R4 is the center of circle for counting tooth 233, and R5 is the center of circle of the first alignment hole 233d, and R6 is the center of circle of the second alignment hole 233e, R4R5 indicates to count the center of circle of tooth 233 and the distance between the center of circle of the first alignment hole 233d, the circle of R4R6 expression counting tooth 233 The distance between the center of circle of the heart and the second alignment hole 233e, R4R5 and R4R6 are differed, that is to say, that when using R4 as the center of circle, R4R5 it Between distance be that radius draws bowlder, for center of circle R6 not on the circle, or when using R4 as the center of circle, the distance between R4R6 is that radius is drawn Bowlder, center of circle R5 is not on the circle, in other words, when being rotated using R4 as the center of circle, the rotational trajectory institute of center of circle R5 and center of circle R6 Circle decentraction；To guarantee the first alignment hole 233d and the first support column 231b4 and the second alignment hole 233e and second Dagger 231b5 is accurately corresponded to, and the distance between center of circle R1 and the center of circle R2 R1R2 are equal to the center of circle for counting tooth 233 and the first alignment hole The distance between center of circle of 233d R4R5, and the distance between center of circle R1 and the center of circle R3 R1R3 be equal to count tooth 233 the center of circle with The distance between the center of circle of second alignment hole 233e R4R6.

Continue as shown in fig. 5e, to realize the present invention the tally function, the side wall 233h packet of the gear cavity 233i It includes at least one major diameter portion 233h2 and minor diameter a 233h1, the major diameter portion 233h2 and minor diameter 233h1 connects It connecing, the radius of major diameter portion 233h2 is r2, and the radius of minor diameter 233h1 is r1, in the embodiment of the present invention, the minor diameter The radius r1 of portion 233h1 is the radius of gear cavity 233i, i.e. the distance of center of circle R4 to major diameter portion 233h2 is r2, center of circle R4 Distance to minor diameter 233h1 is r1；As depicted in fig. 5g, the side wall 233h has the first critical point M and the second critical point N, described two critical points are located at the intersection of major diameter portion 233h2 and minor diameter 233h1.

It is counted between tooth 233 and shell 1 as described above, the first elastic component 234 is installed in, specifically, the first elastic component 234 be spring, and is installed between the partition 233c and shell 1, and to prevent spring 234 from deviating from, the counting tooth 233 is also Including being formed with from partition 233c to the raised 233j in direction outstanding second far from gear cavity 233i, in second protrusion 233j For accommodating the first elastic component receiving portion 233k of spring 234, as illustrated in figure 5f, the second protrusion 233j and the first protrusion 233g's Projected direction is opposite.

[structure of shifting part]

As illustrated in fig. 5h, shifting part 235 includes rotating part 235a, interconnecting piece 235b, contact portion 235c and clicking section 235e, One of at least described contact portion 235c and clicking section 235e is connect by interconnecting piece 235b with rotating part 235a.When Delevoping cartridge D group After dress, the rotating part 235a is rotatably installed on shell 1, and contact portion 235c is abutted with sliding part 232, works as sliding When part 232 is slided along its positive glide direction d1, contact portion 235c is pushed by sliding part 232 to be rotated around rotating part 235a, while band Dynamic clicking section 235e is rotated around rotating part 235a.

In the embodiment of the present invention, the interconnecting piece 235b is not required in that, that is to say, that at least described contact portion 235c It can be directly connected to rotating part 235a with one of clicking section 235e, therefore, shifting part 235 can also be described as including rotating part 235a, contact portion 235c and clicking section 235e, one of at least described contact portion 235c and clicking section 235e are connect with rotating part；Very Extremely simpler, the contact portion 235c and clicking section 235e can also merge into an individual component-contact clicking section, I.e. shifting part 235 includes contact clicking section interconnected and rotating part 235a.

As described above, shifting part 235 is abutted by sliding part 232, and receives the active force of the application of sliding part 232, and slide Part 232 is slidably mounted in locating piece 231, the volume of the cavity portion 231b of the sliding part 232 is accommodated for reduction, in turn The production cost for reducing locating piece 231 is additionally provided with relief portion 235d on the contact portion 235c, when initial, sliding part 232 into Enter in relief portion 235d；When contact portion 235c and clicking section 235e merge into contact clicking section, the relief portion 235d setting On contact clicking section.

Handle box C needs to install Delevoping cartridge D into the Delevoping cartridge accommodating chamber PU4 of drum component before work, so that development Part 10 and the photosensitive part being installed in bulging component PU are close, meanwhile, also need the course of work for preventing Delevoping cartridge D in handle box C In deviate from from drum component PU, thus, Delevoping cartridge D of the present invention further includes that be disposed therein urgent pushes away component 4 and fastening Component 5.

[compeling to push away component and fastening component]

Fig. 6 is the decomposition diagram of the conducting end of Delevoping cartridge of the present invention；Fig. 6 A is Delevoping cartridge of the present invention Part-structure enlarged diagram in conjunction with drum component.

It is described to compel to push away the rear end that component 4 is installed in Delevoping cartridge D installation direction, that is, the rear end of shell 1, including compel to push away Part 41 and abutted with urgent push piece 41 it is urgent push away spring 42, meanwhile, be additionally provided on shell 1 and compel to push away compeling for component 4 for installing Push hole 14, the one end for compeling to push away spring 42 are abutted with urgent push piece 41, and the other end is abutted with urgent push hole bottom wall, thus, compeling push piece 41 can It is movably installed in urgent push hole 14, when Delevoping cartridge D is installed in bulging component PU, the urgent push piece 41 is with drum component PU's Rear end PU2 is abutted, and then development part 10 is forced to remain close to photosensitive part.

The fastening component 5 is installed on the shell of Delevoping cartridge D installation direction rear end, that is, the rear end of shell 1, packet Fasteners 51 and elastic compensating part 52 are included, the elastic compensating part 52 connects fasteners 51 and shell 1, fasteners 51 and drum component End edge PU22 combine.As shown in Figure 6A, fasteners 51 include fastening part 510 interconnected and middle part 511, and elasticity is mended It repays part 52 to connect with middle part 511, the fastening part 510 is provided with guiding face 510a and fastening face 510b, is pacified in Delevoping cartridge D During being filled to bulging component PU, the guiding face 510a with drum component end edge PU22 abut guiding so that fastening part 510 by Power deformation, and guarantees that guiding face 510a fully passes over bulging component end edge PU22, finally, after the fastening face 510b and drum component Ora terminalis PU22 is combined, at this point, fastening face 510b can be analyzed to horizontal component to the drum component end edge PU22 directed force F 0 applied F1 and vertical component F2, the vertical component F2 will rouse component PU and Delevoping cartridge D and tense, to prevent Delevoping cartridge D from drum component Deviate from PU.

Delevoping cartridge D in the embodiment of the present invention is combined by the fastening face 510b with the end edge PU22 of drum component, reality Now prevent Delevoping cartridge D from deviating from from drum component PU, and in actual product, the size of the end edge PU22 of the bulging component may not It is identical, when drum component end edge PU22 it is oversized when, it is possible that guiding face 510a cannot cross the drum group It the case where part end edge PU22, cannot be fixed so as to cause Delevoping cartridge D.In the embodiment of the present invention, because being provided with the bullet Property compensating part 52, thus, by Delevoping cartridge D install to drum component PU during, guiding face 510a be allowed to movement it is bigger Range can effectively ensure that guiding face 510a fully passes over bulging component end edge PU22, complete fastening face 510b and drum component rear end The combination of edge PU22.

[structure of Delevoping cartridge conducting end]

As described above, handle box C needs to receive during the work time electric power from imaging device, thus, Delevoping cartridge D needs Its conducting end E setting from imaging device for receiving the conductive component 3 of electric power.With reference to the accompanying drawing 6, Fig. 7, Fig. 8 and Fig. 9 are retouched State the structure of the conducting end E of Delevoping cartridge D.

As shown in fig. 6, conductive component 3 is installed on housing conductive end terminal surface 12, including the first conducting bracket 31, Two conducting brackets 32 and development part conduct piece 33, the development part conduct piece 33, for receiving electric power from imaging device, and will be electric For power supplied to development part 10, first conducting bracket 31 and the second conducting bracket 32 are fixedly mounted on housing conductive end end On face 12, at least part of development part conduct piece 33 be fixedly installed to the first conducting bracket 31 and the second conducting bracket 32 it Between.For the developer supply for guaranteeing development 10 surface of part, the Delevoping cartridge D further includes being rotatably installed in sending in shell 1 There is rotation axis L3, rotation axis L3 to be parallel to each other with rotation axis L2 for powder part (not shown), the powder feeding part, thus, institute State conductive component 3 further include for from imaging device receive electric power and be supplied to powder feeding part powder feeding part conduct piece 34.

As shown in figure 8, be projected as P of the power reception part 22 in conducting end E, as shown in phantom in FIG., when development part is conductive When part 33 is mounted to shell 1, at least part of the development part conduct piece 33 is located in the range of projection P, and the part that develops Conduct piece 33 does not intersect with rotation axis L1.As shown in fig. 6, development part conduct piece 33 includes sleeve 331 interconnected and shows Shadow part electrical contacts 332, in conjunction with the electric power output in imaging device, sleeve 331 is used for the development part electrical contacts 332 Supply power to the axis 101 of development part 10.As shown in figure 9, the axis 101 is in conducting end E after Delevoping cartridge D is completed Without departing from shell 1, i.e. the terminal surface 101a of axis 101 is not in the range of terminal surface 12 of housing conductive end, it is preferred that axis 101 terminal surface 101a is concordant with housing conductive end terminal surface 12；Sleeve 331 has conducting cavity 333 and conducting cavity bottom wall 336, Sleeve 331 is electrically connected with the axis 101 of development part 10 by resilient conductive element 335, it is preferred that the resilient conductive element 335 is to lead Electrical spring, to fix the power spring 335, the conducting cavity bottom wall 336 is formed with positioning column 334 to conducting cavity 333 is prominent, leads One end of electrical spring 335 is fixed on positioning column 334, and the other end is abutted with the terminal surface 101a of axis 101.For more stable branch Support the axis 101, Delevoping cartridge D further includes axle sleeve 35, as shown in Fig. 6 and Fig. 9, axle sleeve 35 be installed in axis 101 and shell 1 it Between.

In the embodiment of the present invention, the development part conduct piece 33 and powder feeding part conduct piece 34 are consolidated by way of buckle Determine onto the first conducting bracket 31, as shown in fig. 7, the first conducting bracket 31 includes support body 311 and is arranged in support body 311 On development part axis hole 312 and powder feeding part axis hole 313, develop part conduct piece 33 and powder feeding part conduct piece 34 are each passed through development part Axis hole 312 and powder feeding part axis hole 313, in other words, a part of quilt of at least develop part conduct piece 33 and powder feeding part conduct piece 34 The support of first conducting bracket 31；First conducting bracket 31 further includes 314 He of the first holding tank being arranged on support body 311 Second holding tank 315, and the first holding tank 314 is connected to development part axis hole 312, the second holding tank 315 and powder feeding part axis hole 313 A part of connection, at least described development part conduct piece 33 and powder feeding part conduct piece 34 is respectively by the first holding tank 314 and second Holding tank 315 is clamped.

[counting process of Delevoping cartridge]

Figure 10 A be counting component of the present invention before counting, the overall structure diagram of Delevoping cartridge；Figure 10 B is this Invent the counting component being related to before counting, Delevoping cartridge drives the side view at end；Figure 10 C is that counting component of the present invention exists Cross-sectional view before counting, along the direction J-J；Figure 10 D be counting component of the present invention before counting, the section view along the direction K-K Figure.

As illustrated in figure 10 c, after Delevoping cartridge D is completed, the actuator 24 is combined with tooth 233 is counted, specifically, driving Part 24 is driving gear, at this point, driving gear 24 is engaged with tooth 233 is counted；As shown in Figure 10 B, before Delevoping cartridge work, labeling section 214 is corresponding with labeled portion/state instruction portion 233g1, that is to say, that when labeling section 214 is directed toward labeled portion/state instruction When portion 233g1, expression Delevoping cartridge D is a new Delevoping cartridge.

As shown in figs. 10 a and 10b, when Delevoping cartridge D is mounted to printer, the power reception portion 222 and printing Power output member in machine combines, and the driving force for receiving power output member output drives the r3 along figure of power transmitting gear 221 Shown direction rotates, when power transmitting gear 221 transfers a driving force to driving gear 24, the driving of driving gear 24 meter Number tooth 233 rotates, so that the negative glide direction shown in positive glide direction and d2 shown in d1 along Figure 10 B of sliding part 232 Sliding pushes the rotating part 235a of shifting part 235 along Figure 10 C when the positive glide direction sliding shown in the d1 of sliding part 232 Direction shown in r5 rotates；When the sliding of the negative glide direction shown in the d2 of sliding part 232, effect of the shifting part 235 in return unit The lower edge direction contrary with shown in r5 rotates.

As shown in Figure 10 C and Figure 10 D, counting component 23 is in the first state before counting, driving gear 24 and counting tooth 233 engagements；Under the action of spring 236, the front end face 2323 and gear cavity side wall 233h for counting tooth 233 is supported sliding part 232 It connecing, slide protrusion 2325 is contacted with contact portion 235c, when being provided with relief portion 235d on contact portion 235c, slide protrusion 2325 It is contacted with relief portion 235d, contact portion 235c is located at the initial position close to shell 1；Clicking section 235e, which is in, to abut in printer The initial position by contact member (not shown), at this point, the minor diameter of the front end face 2323 of sliding part 232 and gear cavity side wall Portion 233h1 is abutted, thus, sliding part 232 is considered in the original state retracted；The first support column 231b4 It is staggered respectively with the first alignment hole 233d and the second alignment hole 233e with the second support portion 231b5；Tooth 233 is counted in the first support Compressed spring 234 under the action of column 231b4 and the second support column 231b5.

After counting tooth 233 and receiving the driving force for driving gear 24, it will direction shown in r4 rotates along Figure 10 C, such as Upper described, locating piece 231 is due to being fixed between Driving terminal 21 and shell 1, when counting the rotation of tooth 233, locating piece 231 It remains stationary, therefore, the first alignment hole 233d and the second alignment hole 233e will be relative to the first support column 231b4 and Two support column 231b5 are rotated along direction shown in r4.

As described above, gear cavity side wall 233h has the first critical point M and the second critical point N, when counting tooth 233 is along r4 institute When showing that direction rotates, sliding part front end face 2323 will go first through the first critical point M, meanwhile, the first protrusion 233g is also with meter It counts the rotation of tooth 233 and rotates, thus, the labeled portion/state instruction portion 233g1 being arranged on the first protrusion 233g will gradually Separate position corresponding with the instruction unit 214.

Figure 11 A is counting component of the present invention in counting, the overall structure diagram of Delevoping cartridge；Figure 11 B is this The counting component being related to is invented in counting, Delevoping cartridge drives the side view at end；Figure 11 C is that counting component of the present invention exists Cross-sectional view in counting, along the direction J-J；Figure 11 D is section view of the counting component of the present invention in counting, along the direction K-K Figure.

As seen in figs. 11a and 11b, counting component 23 is in the second state in counting, and the labeled portion/state refers to The portion 233g1 of showing is no longer corresponding with instruction unit 214, and the positive glide direction shown in the d1 of sliding part 232 gradually skids off, and the sliding is prominent The 2325 promotion directions shown in r5 along Figure 10 C contact portion 235c are played gradually to rotate and separate shell 1, meanwhile, clicking section 235e Gradually moved to far from the direction of shell 1, in turn, clicking section 235e no longer abut in printer by contact member.

As shown in Figure 11 C and Figure 11 D, sliding part front end face 2323 has passed past the first critical point M, from the small of gear cavity side wall Diameter portion 233h1 enters major diameter portion 233h2, thus, sliding part 232 under the action of spring 236 gradually shown in the d1 just Glide direction sliding.

The distance r2 of the center of circle R4 to major diameter portion 233h2 of counting tooth 233 is greater than the distance to minor diameter 233h1, because This, once sliding part front end face 2323 crosses the first critical point, sliding part 232 will gradually by spring 236 shown in the d1 just Glide direction pushes, when the front end face 2323 of sliding part reaches the midpoint Q of major diameter portion 233h2, the front end face 2323 with The distance for counting the center of circle R4 of tooth 233 is maximum, and the distance that sliding part 232 stretches out reaches maximum, continues when counting tooth along shown in r4 Direction rotates, and the front end face 2323 of sliding part is gradually reduced at a distance from the center of circle R4 for counting tooth 233, and sliding part 232 gradually contracts It returns, until sliding part front end face 2323 crosses the second critical point N, is abutted in sliding part front end face 2323 with major diameter portion 233h2 Period, sliding part 232 will always be in stretching state, thus, clicking section 235e and being protected always by contact member in printer Discrete state is held, is therefore deduced that, the time that the clicking section 235e is separated with by contact member, sliding part 232 was stretched in other words The arc length of time and major diameter portion 233h2 out are positively correlated, i.e. the arc length of major diameter portion 233h2 is longer, what sliding part 232 stretched out Time is longer, and the time that clicking section 235e is separated with by contact member is longer.

During sliding part front end face 2323 is contacted with major diameter portion 233h2, the first alignment hole 233d and second pair Quasi- hole 233e continues the direction shown in r4 along Figure 10 C and rotates relative to the first support column 231b4 and the second support column 231b5, and As shown in Figure 11 C, the first alignment hole 233d and the second alignment hole 233e move closer to the first support column 231b4 and the second support portion 231b5。

Figure 12 A is counting component of the present invention after the completion of counting, the overall structure diagram of Delevoping cartridge；Figure 12 B It is counting component of the present invention after the completion of counting, Delevoping cartridge drives the side view at end；Figure 12 C is meter of the present invention Cross-sectional view of array part after the completion of counting, along the direction J-J；Figure 12 D is counting component of the present invention after the completion of counting, Cross-sectional view along the direction K-K.

As illustrated in figs. 12 a and 12b, counting component 23 is in the third state for counting and completing, the labeled portion/state Instruction unit 233g1 reaches the stop position farthest away from instruction unit 214, and the negative glide direction shown in the d2 of sliding part 232 retracts, institute Contact portion 235c is stated along the direction contrary with shown in r5 in Figure 10 C close to shell 1, and returns to the initial bit close to shell 1 It sets, meanwhile, clicking section 235e, which is also returned to, to abut in printer by the initial position of contact member.

Specifically, sliding part front end face 2323 crosses the second critical point N as shown in Figure 12 C and Figure 12 D, from major diameter Portion 233h2 abut position be again introduced into the position abutted with minor diameter 233h1, once sliding part front end face 2323 entrance with The position that minor diameter 233h1 is abutted, sliding part 232 is whole will to be pushed the negative glide direction sliding shown in the d2, spring 236 are compressed again；When the first alignment hole 233d and the second alignment hole 233e are supported with the first support column 231b4 and second respectively When column 231b5 is aligned, the compressing that tooth 233 is no longer influenced by the first support column 231b4 and the second support column 231b5 is counted, counts tooth 233 move under the elastic force effect of spring 234 to the direction far from shell 1, thus, it counts tooth 233 and driving gear 24 is detached from Engagement, count tooth 233 no longer receives driving gear 24 driving force and stop rotating, sliding part front end face 2323 keep with it is small directly Diameter portion 233h1 abut state and no longer stretch out, shifting part 235e keep and being abutted by contact member in printer, counting group Part 23 completes counting process.

In the embodiment of the present invention, the first support column 231b4 and the second support column 231b5 are arranged on locating piece 231, First alignment hole 233d and the second alignment hole 233e setting is on counting tooth 233, when counting component 23 is located at first state, the One support column 231b4 and the second support column 231b5 is not aligned with the first alignment hole 233d and the second alignment hole 233e, and is counted Tooth 233 keeps engaging with driving gear 24 under the contention effect of the first support column 231b4 and the second support column 231b5, is located at The spring 234 counted between tooth 233 and shell 1 is compressed, when counting component 23 is located at the third state, the first support column 231b4 and the second support column 231b5 are aligned with the first alignment hole 233d and the second alignment hole 233e respectively, count tooth 233 in bullet It is disengaged under the elastic acting force of spring 234 with driving gear 24；Likewise, the support of the first support column 231b4 and second The position of column 231b5 and the first alignment hole 233d and the second alignment hole 233e may also is that the first support column 231b4 and second Support column 231b5, which is arranged at, to be counted on tooth 233, and the first alignment hole 233d and the second alignment hole 233e are arranged at locating piece On 231；Or first setting in support column 231b4 and the second support column 231b5, on counting tooth 233, another sets It sets on locating piece 231, and one in the first alignment hole 233d and the second alignment hole 233e is arranged on counting tooth 233, separately One is arranged on locating piece 231.

To sum up, counting component 23 of the present invention is in counting process, and shifting part 235 is from abutting being connect in printer Touch component to not with being abutted by contact member in printer, then to again with being abutted by contact member in printer, also It is to say the needs of shifting part 235 and being disengaged by contact member once in printer, and the disengaging process is by counting Major diameter portion 233h2 and minor diameter 233h1 is arranged in tooth 233 to realize, in the present embodiment, the minor diameter 233h1 Diameter is identical as the diameter of gear cavity 233i of tooth is counted, and the diameter of the gear cavity 233i of major diameter portion 233h2 and counting tooth is not Together, thus, which can be described as: on the gear cavity side wall 233h for counting tooth 233 setting with the diameter of gear cavity 233i not With varying diameter portion realize the sliding motion of sliding part 232, and then realize shifting part 235 and being taken off in printer by contact member Process from contact, part identical with the diameter of gear cavity 233i are known as non-varying diameter portion, which is connected with varying diameter portion.

When varying diameter portion be the major diameter portion 233h2 when, i.e., counting tooth 233 center of circle R4 to major diameter portion 233h2 away from From being greater than to a distance from minor diameter 233h1, counting tooth 233 in rotary course, sliding part 232 can along shown in d1 just Glide direction sliding；However, it is possible to exchange, the varying diameter portion can also be that the center of circle R4 for counting tooth 233 arrives varying diameter portion Distance be less than to minor diameter 233h1 distance, at this point, the minor diameter 233h1 be non-varying diameter portion, when sliding part 232 with When the varying diameter portion abuts, it will be slided along negative glide direction shown in d2, when sliding part 232 is abutted with non-varying diameter portion, by edge Positive glide direction sliding shown in d1, and time disengaged by contact member in the clicking section 235e and printer It is related with the time that sliding part 232 is kept in the positive glide direction shown in d1, therefore, when varying diameter portion is the circle for counting tooth 233 The distance of heart R4 to varying diameter portion be less than to non-varying diameter portion apart from when, in the clicking section 235e and printer by contact member The arc length of the time and non-varying diameter portion that disengage are positively correlated；That is, the clicking section 235e and being connect in printer Touching time for disengaging of component and count in the varying diameter portion and non-varying diameter portion the two being arranged in the gear cavity side wall 233h of tooth with Counting gear center of circle R4 is positively correlated apart from farther one arc length；Due in clicking section 235e and printer by contact member When disengaging, sliding part 232 is in stretching state, and therefore, above-mentioned conclusion also may be summarized to be: sliding part 232 stretch out when Between with count tooth gear cavity side wall 233h in the varying diameter portion and non-varying diameter portion the two that are arranged with counting gear center of circle R4 distance Farther one arc length is positively correlated, wherein the distance for counting center of circle R4 to the varying diameter portion of tooth 233 is not equal to the gear for counting tooth Chamber 233i radius, the distance for counting center of circle R4 to the non-varying diameter portion of tooth 233 are equal to the radius for counting the gear cavity 233i of tooth.

Counting component 23 in Delevoping cartridge D involved in the embodiment of the present invention only needs to complete once to count, thus, it is counting Connected a varying diameter portion and a non-varying diameter portion are set in the gear cavity 233i of tooth, for need to complete repeatedly to count Delevoping cartridge D, counting component 23 described in the present invention stand good, it is only necessary to which the counts completed as needed change setting The quantity of varying diameter portion and non-varying diameter portion, for example, when counting component 23 needs to count twice, the varying diameter portion and non-varying diameter portion Quantity is respectively set two, and varying diameter portion and non-varying diameter portion are arranged alternately, accordingly, with respect to the number of varying diameter portion and non-varying diameter portion Amount can need the counts completed to be arranged according to counting component, and the two is positively correlated, when counting component needs completion multiple When counting, the quantity of the varying diameter portion and non-varying diameter portion is also respectively required for being arranged multiple, and varying diameter portion and non-varying diameter portion are arranged alternately.

As described above, the driving force rotation for counting tooth 233 and receiving driving gear 24 in counting component 23 of the present invention Turn, by the way that major diameter portion 233h2 and minor diameter 233h1 are arranged wherein, with the rotation for counting tooth 233, counting component 23 In sliding part 232 moved along negative glide direction shown in positive glide direction shown in d1 and d2, and then drive sliding part Slide protrusion 2325 to shifting part 235 apply active force, complete Counts, thus, be not provided in the counting component 23 Elastic-friction layer, but realized count by mechanical mechanism completely, it is stable and reliable in work.

Claims

1. Delevoping cartridge, including shell, it is mounted on the Driving terminal and counting component and power reception of one longitudinal end of shell Part,

The power reception part is used to receive driving force from outside, and counting component receives the driving that power reception part passes over It starts to work when power；

The counting component includes locating piece, sliding part, counts tooth, the first elastic component, shifting part and the second elastic component,

Locating piece is fixed between Driving terminal and shell, and is passed through and counted tooth；

Sliding part is extended and is mounted in locating piece with retracting；

Tooth is counted for receiving the driving force that power reception part passes over, is being counted including cylindric counting tooth ontology, setting The gear cavity for counting the tooth on tooth ontology circumference and being enclosed by counting tooth ontology, sliding part are abutted with gear cavity side wall；

First elastic component, which is installed in, to be counted between tooth and shell, and the second elastic component is installed between sliding part and locating piece；

Shifting part is installed in rotation on shell, and is kept in contact with sliding part；

It is characterized in that,

At least one varying diameter portion and non-varying diameter portion are provided on the gear cavity side wall for counting tooth, varying diameter portion and non-varying diameter portion connect Connect, in time that sliding part stretches out and the varying diameter portion and non-varying diameter portion the two with counting gear circle center distance farther one Arc length is positively correlated.

2. Delevoping cartridge, it is applicable to be provided with by the imaging device of contact member, including shell, is mounted on shell one longitudinal end The Driving terminal and counting component and power reception part at end,

The power reception part is used to receive driving force from outside, and counting component receives the driving that power reception part passes over It starts to work when power, the counting component cooperates realization development box-counting with by contact member；

Sliding part is movably mounted in locating piece；

Shifting part includes clicking section interconnected and rotating part, and rotating part is rotatably installed on shell, and clicking section receives The active force of sliding part, realization is contacted with by contact member, is disengaged to being contacted again, and is kept in contact with sliding part；

It is characterized in that,

At least one varying diameter portion and non-varying diameter portion are provided on the gear cavity side wall for counting tooth, varying diameter portion and non-varying diameter portion connect Connect, the clicking section in time for being disengaged by contact member and the varying diameter portion and non-varying diameter portion the two with counting gear Farther one arc length of circle center distance is positively correlated.

3. Delevoping cartridge according to claim 1 or 2, which is characterized in that the distance for counting the center of circle to the varying diameter portion of tooth differs In the gear cavity radius for counting tooth, the distance for counting the center of circle to the non-varying diameter portion of tooth is equal to the gear cavity radius for counting tooth.

4. Delevoping cartridge according to claim 3, which is characterized in that Delevoping cartridge further includes Driving terminal, and locating piece includes lid Portion, cavity portion and positioning region, the cavity portion are connect with cover and positioning region respectively, and between cover and positioning region,

Cover includes that lid in the form of annular discs, the second guide channel being arranged on lid and positioning protrusion, positioning protrusion are driven End cap positioning；

Cavity portion is for accommodating sliding part, including interconnected the first cavity and the second cavity；

Positioning region extends from the outer wall of cavity portion to the direction far from cover.

5. Delevoping cartridge according to claim 4, which is characterized in that along the length direction of locating piece, from the outer of the second cavity Wall has extended to form the first support column and the second support column to the direction far from the first cavity.

6. Delevoping cartridge according to claim 5, which is characterized in that when being rotated using R1 as the center of circle, center of circle R2 and center of circle R3 Rotational trajectory where circle decentraction, wherein R1 be cover the center of circle, R2 be the first support column the center of circle, R3 be second support The center of circle of column.

7. Delevoping cartridge according to claim 6, which is characterized in that the distance between center of circle R1 and the center of circle R2 R1R2 and the center of circle The distance between R1 and the center of circle R3 R1R3 etc..

8. Delevoping cartridge according to claim 7, which is characterized in that it is described count tooth further include in the gear cavity every Plate is provided with centre bore, the first alignment hole and the second alignment hole on partition,

The centre bore for allowing locating piece to pass through, the first alignment hole and the second alignment hole be respectively used to the first support column and The cooperation of second support column.

9. Delevoping cartridge according to claim 8, which is characterized in that when being rotated using R4 as the center of circle, center of circle R5 and center of circle R6 Rotational trajectory where circle decentraction, wherein R4 be count tooth the center of circle, R5 be the first alignment hole the center of circle, R6 second The center of circle of alignment hole.

10. Delevoping cartridge according to claim 9, which is characterized in that the distance between center of circle R4 and the center of circle R5 R4R5 and circle The distance between heart R4 and the center of circle R6 R4R6 etc..

11. Delevoping cartridge according to claim 10, which is characterized in that the distance between center of circle R1 and the center of circle R2 R1R2 are equal to The distance between center of circle R4 and the center of circle R5 R4R5, and the distance between center of circle R1 and the center of circle R3 R1R3 are equal to center of circle R4 and center of circle R6 The distance between R4R6.