CN208126106U - Delevoping cartridge and handle box - Google Patents

Abstract

The utility model relates to Delevoping cartridge and with the handle box of the Delevoping cartridge,Delevoping cartridge includes shell,Positioned at the end cap of one longitudinal end of shell,And it is mounted on the counting component on shell,Counting component includes counting part,Counting gear and shifting part,Counting gear and shifting part are rotatably installed on shell,Part is counted telescopically to be located between counting gear and end cap along the rotation axis of counting gear,Counting part includes rotary shaft,Shifting part can rotate between the first position close to rotary shaft and the second position far from rotary shaft,When shifting part is located at first position,It counts part and is in retracted mode,When shifting part is located at the second position,It counts part and is in stretching state,After counting component is completed to count,The driving force of counting gear can not be transferred to counting part,Counting part will not move again,Therefore,The job stability of Delevoping cartridge can be effectively ensured.

Description

Delevoping cartridge and handle box

Technical field

The utility model relates to imaging fields, more particularly to the handle box of installation in an imaging device, the handle box to include Drum part box and removably with drum part box combine and be detached from combination Delevoping cartridge.

Background technique

Electrophotographic image forming field common equipment, such as printer, duplicator etc., wherein can all be removably installed For accommodating the container of developer, consider that existing printer manufacturer will accommodate the container of developer from the low cost of imaging It is installed along with a shell (Delevoping cartridge) with developing parts, the component for being used to form electrostatic latent image is additionally mounted to another shell Body (drum part box), then again combines the two, the shell for accommodating developer and developing parts is removably quiet with formation Shell where the component of electric sub-image combines, and after developer is depleted, terminal user, which only needs replacing, accommodates new development The shell of agent, without entire handle box is replaced, thus, low cost is achieved using the purpose of printer.

For printer, for the surplus for being accurately judged to developer, a kind of existing mode is developed accommodating Setting triggering protrusion on the shell (Delevoping cartridge) of agent, which, which is arranged on one, has on non-full gear, and described Non- full gear can receive rotary driving force from the driving gear engaged, and then triggering protrusion is driven to rotate together；Phase It answers, the frizzen being provided in conjunction with triggering protrusion in printer a, end of frizzen is used in conjunction with triggering protrusion, Another end is for covering preset optical path in printer；When an end of frizzen is triggered protrusion touching, triggering No longer cover the optical path, the measure loop connection of printer in another end of bar；When frizzen and triggering protrusion no longer touch When touching, another end of frizzen returns to initial position, again covers optical path, and printer judges accordingly, which is One new Delevoping cartridge；And the number for triggering protrusion touch trigger bar is different, indicates the developer level accommodated in Delevoping cartridge also not Together, for example, triggering protrusion touch trigger bar is primary, indicate that the developer accommodated in the Delevoping cartridge is low capacity, triggering protrusion touching It touches frizzen twice, indicates that the developer accommodated in the Delevoping cartridge is high capacity.

For the touching for realizing triggering protrusion and frizzen, a kind of existing scheme is：The non-full gear is designed to have There is the counting gear of major diameter portion and minor diameter, during triggering protrusion and frizzen is touched, major diameter portion and driving Gear engagement, after the completion of triggering protrusion and frizzen touching, minor diameter is engaged with driving gear, and counting gear no longer revolves Turn, thus, triggering protrusion also no longer rotates.When the Delevoping cartridge of such structure is when by external impacts, driving gear easily with Major diameter portion collides, so that the major diameter portion of cam or driving gear be caused to be damaged.

Utility model content

The utility model provides a kind of Delevoping cartridge, after triggering protrusion and frizzen and completing to touch, triggering protrusion no longer by Power rotation, and completely disengage and engage with counting gear, and counting gear and driving gear are always maintained at meshing state.

To achieve the above object, the utility model uses following technical scheme：

Delevoping cartridge is removably mounted in the equipment with frizzen, including shell, be located at one longitudinal end of shell End cap and the counting component that is mounted on shell, counting component is between end cap and shell, and for matching with frizzen It closes, counting component includes counting part, the first elastic component, counting gear, shifting part and the second elastic component, counting gear and shifting part It is rotatably installed on shell, the first elastic component is installed in counting gear and counts between part, and the second elastic component is mounted Between shell and shifting part, counts part and is telescopically located between counting gear and end cap along the rotation axis of counting gear, Counting part includes rotary shaft, from rotary shaft outer peripheral surface, radially outwardly extending force protrusion and setting are exerting a force in protrusion Engaging portion, engaging portion is used for counting gear ining conjunction with, shifting part can close to rotary shaft first position and separate rotary shaft The second position between rotate, when shifting part is located at first position, counts part and be in retracted mode, when shifting part is positioned at second When position, counts part and be in stretching state.

When shifting part is located at first position, engaging portion is in conjunction with counting gear, when shifting part returns to from the second position When one position, engaging portion is combined with counting gear disengaging.

When shifting part is located at the second position, engaging portion is in conjunction with counting gear.

When shifting part is located at first position, shifting part oppresses frizzen, when shifting part is located at the second position, shifting part No longer oppress frizzen.

Counting gear includes gear mass, positioned at the tooth of gear mass outer peripheral surface, the receiving hole on gear mass and is combined Portion, gear mass are rotatably installed on shell, are counted part and are received hole receiving, tooth is for receiving driving force.

Engaging portion is that the stress protrusion counted on part is arranged in, and engaged portion is to be arranged on gear mass to be combined hole, Stress protrusion is used for and is combined in conjunction with hole.

End cap has opposite outside and inside, including end cover body, holding tank, cover board and third through-hole；Wherein, holding tank It is recessed to be formed from end cap Inside To Outside, cover board is formed as the bottom of holding tank, including formed therein for allowing to count part By first through hole and the second through-hole, third through-hole between end cover body and cover board, third through-hole for allow count part It is contacted with shifting part.

End cap further includes the limited block being arranged in holding tank, which is used to abut with counting part.

Counting part further includes the instruction unit being disposed therein, and is provided on shell and opposite with instruction unit is instructed to portion.

The utility model also provides a kind of handle box, including drum part box and Delevoping cartridge as described above, Delevoping cartridge it is removable It is mounted on unloading in bulging part box.

As described above, stress protrusion and being combined hole not in conjunction with counting gear is driving after counting component is completed to count Continue to rotate under the driving effect of moving gear, the driving force of counting gear can not be transferred to counting part, even if there is external force On counting part, counting part will not move again, and therefore, the job stability of Delevoping cartridge can be effectively ensured.

Detailed description of the invention

Fig. 1 be the utility model relates to Delevoping cartridge overall structure diagram.

Fig. 2 be the utility model relates to Delevoping cartridge in drive end part-structure decomposition diagram.

Fig. 3 A be the utility model relates to Delevoping cartridge in Driving terminal outside structure diagram.

Fig. 3 B be the utility model relates to Delevoping cartridge in Driving terminal inside structure schematic diagram.

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

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

Fig. 4 A be the utility model relates to development box-counting before count tooth and count part status diagram.

Fig. 4 B be from the utility model relates to Delevoping cartridge a longitudinal end from count tooth and count part count before Status diagram.

Fig. 5 A be the utility model relates to development box-counting in count tooth and count part status diagram.

Fig. 5 B be from the utility model relates to Delevoping cartridge a longitudinal end from count tooth and count part count in Status diagram.

Fig. 6 A be the utility model relates to development box-counting after count tooth and count part status diagram.

Fig. 6 B be from the utility model relates to Delevoping cartridge a longitudinal end from count tooth and count part count after Status diagram.

Specific embodiment

The embodiments of the present invention are described in detail with reference to the accompanying drawing.It is defined as follows first：The length direction of Delevoping cartridge D For longitudinal X, the installation direction of Delevoping cartridge D is that the thickness direction of transverse direction Y, Delevoping cartridge D are vertical Z.

The Delevoping cartridge D is removably mounted in bulging part box (not shown), and the two is integrally formed to be detachably mounted to Handle box in imaging device (hereinafter referred to as " equipment "), drum part box includes drum shell and Delevoping cartridge accommodating chamber, Delevoping cartridge Developed box accommodating chamber accommodates.

Fig. 1 be the utility model relates to Delevoping cartridge overall structure diagram.As shown, Delevoping cartridge D includes shell 10, positioned at the end cap 11 of 10 1 longitudinal ends of shell, the handle 12 being connect with shell 10 and fastening component 13, along Delevoping cartridge D Transverse direction, handle 12 and fastening component 13 are respectively positioned on the end of Delevoping cartridge D installation direction, and it is longitudinal to be generally located at shell 10 The center in direction, it is preferred that fastening component 13 is arranged two, along the longitudinal direction of Delevoping cartridge D, fastens component 13 and distinguishes It is symmetrical arranged positioned at the two sides of handle 12, and relative to handle 12.

Fig. 2 be the utility model relates to Delevoping cartridge in drive end part-structure decomposition diagram；Fig. 3 A is that this is practical The outside structure diagram of Driving terminal in the novel Delevoping cartridge being related to；Fig. 3 B be the utility model relates to Delevoping cartridge in drive The inside structure schematic diagram of end cap；Fig. 3 C be the utility model relates to Delevoping cartridge fall into a trap the overall structure diagram of pieces；Figure 3D be the utility model relates to Delevoping cartridge in driving lever overall structure diagram.

To judge whether Delevoping cartridge D is a new Delevoping cartridge, as shown, Delevoping cartridge D further includes being mounted on shell 10 On counting component 20, the counting component 20 be used for in equipment frizzen cooperation realize Delevoping cartridge detection.Such as Fig. 2 institute Show, counting component 20 and end cap 11 are ipsilateral, and between end cap 11 and shell 10.Counting component 20 includes counting part 21, the One elastic component 22, counting gear 23, shifting part 24 and the second elastic component (not shown), wherein counting gear 23 and shifting part 24 It is rotatably installed on shell 10, the first elastic component 22 is installed in counting gear 23 and counts between part 21, the second elasticity Part is installed between shell 10 and shifting part 24, is counted part 21 along the rotation axis of counting gear 23 and is telescopically located at counting Between gear 23 and end cap 11；Preferably, the first elastic component 22 is spring, and the second elastic component is torsional spring.

The counting gear 23 be used for receives engage drive gear (not shown) driving force, counting gear 23 around First axle L1 rotation, sliding tooth wheel is mounted on the housing 10 as actuator, in the utility model embodiment, counts part 21 With 23 coaxial rotating of counting gear, thus, count part 21 also around first axle L1 rotate；The shifting part 24 is around second axis L2 Rotation, first axle L1 are parallel with second axis L2.

As shown in Fig. 2, counting gear 23 include gear mass 231, positioned at 231 outer peripheral surface of gear mass tooth 233 and be located at Receiving hole 234 on gear mass 231, gear mass 231 are rotatably installed on shell 10, are counted part 21 and are received the appearance of hole 234 It receives, tooth 233 is used to engage with driving gear, receives the driving force of driving gear.

As shown in Figure 3A and Figure 3B, end cap 11 has opposite outside 11a and inside 11b, including end cover body 110, receiving Slot 111, cover board 112 and third through-hole 115；Wherein, 11a is recessed to be formed 11b holding tank 111 outward on the inside of the end cap, cover board 112 are formed as the bottom of holding tank 111, including formed therein for allowing to count the first through hole 113 that passes through of part 21 and the Two through-holes 114, it is preferred that first through hole 113 and the second through-hole 114 are interconnected, thus, the system of end cap 11 can be greatly reduced Technique requirement is made, as shown, third through-hole 115, between end cover body 110 and cover board 112, third through-hole 115 is for permitting Perhaps part 21 is counted to contact with shifting part 24；Meanwhile it being limited to the size of end cover body 110 and shifting part 24, to prevent end cover body 110 interfere with equipment, and end cap 11 further includes the fourth hole 116 between end cover body 110 and cover board 112, and described Four through-holes 116 are connected to holding tank 111, and at least part of shifting part 24 is exposed from fourth hole 116.

Further, when counting part 21 along rotation axis L1 stretching, to prevent from counting excessive, the end cap 11 of the stretching of part 21 It further include the limited block 117 being arranged in holding tank 111, which is used to abut with counting part 21, to limit counting The distance that part 21 stretches out.

Count part 21 include rotary shaft 211, from rotary shaft outer peripheral surface radially outwardly extending support plate 212, from branch Support plate 212 is along the rotation axis L2 for the counting part 21 force protrusion 213 extended and the engaging portion 214 being disposed therein, originally In utility model embodiment, engaging portion 214 is the stress protrusion extended from support plate 212, the protrusion 213 that exerts a force and stress protrusion 214 extending direction is on the contrary, as shown in Figure 3 C, support plate 212 has opposite upper surface 212a and lower surface 212b, force Protrusion 213 is prominent from upper surface 212a along rotation axis L1, and stress protrusion 214 is prominent from lower surface 212b along rotation axis L1； From the point of view of facilitating counting component 20 and Delevoping cartridge D to assemble, it is preferred that when counting component 20 is mounted to Delevoping cartridge D Afterwards, force protrusion 213 need to avoid the position contacted with shifting part 24, and rotary shaft 211 and first through hole 113 are opposite, it is furthermore preferred that After Delevoping cartridge D completes to assemble, along the direction of rotation for counting part 21, force protrusion 213 is located at the upstream of shifting part 24, and exerts a force Protrusion 213 is close to shifting part 24, and thus, the counting part 21 further includes the instruction unit 215 being disposed therein, the instruction unit 215 It can be an arrow or other apparent cue marks, while be also equipped on the housing 10 opposite with instruction unit 215 It is instructed to portion 14 (as shown in Figure 2), Delevoping cartridge D is when assembled, it is only necessary to which instruction unit 215 is corresponding with the portion that is instructed to 14 Reach above-mentioned matching requirements.

The protrusion 213 that exerts a force includes top surface 213a, force surface 213b and outer surface 213c, as shown, force protrusion 213 Generally arc-shaped cylinder can be at least any one extension from rotary shaft 211 and support plate upper surface 212a ?.It is located at the end of force protrusion 213 along rotation axis L1, top surface 213a, force surface 213b is parallel with rotation axis L1, outside Surface 213c intersects with top surface 213a and force surface 213b.Work as counting gear for being combined with counting gear 23 in engaging portion 214 23 when starting rotation, by the combination of engaging portion 214 and counting gear 23, counts part 21 and is counted the driving of gear 23 and rotates, excellent Choosing, engaging portion 214 is the stress protrusion extended from support plate 212, as shown in Fig. 2, counting gear 23 includes prominent with stress Rise 214 combine be combined hole 235, thus, be combined the gear mass that hole 235 is arranged on counting gear 23 as engaged portion On 231；It is envisioned that engaging portion 214 can also be the hole that is combined being arranged in support plate 212, engaged portion is to set Set the stress protrusion on the gear mass 231 of counting gear 23；Regardless of engaging portion 214 and engaged portion are arranged, counting Before component 20 completes Counts, counts part 21 and be always subjected to the driving from counting gear 23 and rotate.

Certainly, support plate 212 can also be not provided with by counting part 21, and the protrusion 213 that exerts a force is directly from the outer peripheral surface of rotary shaft 211 Radially extend outwardly, the setting of engaging portion 214 is in force protrusion 213.

As shown in Figure 3D, poke rod 242 and and poke rod that shifting part 24 includes standard shaft 241, connect with standard shaft 241 The clicking section 243 of 242 connections, standard shaft 241 are rotatably installed on shell 10, and standard shaft 241 and clicking section 243 are distinguished Positioned at the both ends of poke rod 242；Under the action of the second elastic component, shifting part 24 is forced to be pushed into first close to rotary shaft 211 Position, at this point, shifting part 24 is nearest from rotary shaft 211；When shifting part 24 applies active force by force protrusion 213, shifting part 24 overcome the active force of the second elastic component to rotate to the second position far from rotary shaft 211, at this point, shifting part 24 is from rotary shaft 211 is farthest；That is, shifting part 24 can be in the first position close to rotary shaft 211 and far from the second position of rotary shaft 211 Between rotate, since the standard shaft 241 of shifting part 24 is rotatably installed on shell 10, clicking section 243 is with standard shaft 241 Center rotation, specifically, first position and separate rotary shaft 211 of the clicking section 243 of shifting part 24 in close rotary shaft 211 It is rotated between the second position；When shifting part 24 is located at close to the first position of rotary shaft 211, clicking section 243 is from rotary shaft 211 Recently, the frizzen in equipment is oppressed in clicking section 243, and the optical path in equipment is not shielded, measure loop connection；When shifting part 24 When being located remotely from the second position of rotary shaft 211, clicking section 243 is farthest from rotary shaft 211, and equipment is no longer oppressed in clicking section 243 In frizzen, the optical path in equipment is shielded, and measure loop is disconnected.

When the protrusion 213 that exerts a force applies active force to shifting part 24, force protrusion 213 can directly contact clicking section 243, right For the equipment of different model, the location of frizzen in equipment is not exactly the same, therefore, if force protrusion 213 Directly contact clicking section 243, it is possible that even if clicking section 243 be pushed to by force protrusion 213 it is farthest from rotary shaft 211 When position, the frizzen in equipment is still struck the compressing of portion 243, and the optical path in equipment is still in not shielded state, also It is to say, stroke of the clicking section 243 far from rotary shaft 211 is inadequate, leads to equipment detection failure.

As shown in Figure 3D, shifting part 24 further includes and the protruding portion 244 that contact of force protrusion 213, it is preferred that relative to group Dynamic portion 243, protruding portion 244 closer to standard shaft 241, thus, the force protrusion 213 in rotation will first contact protruding portion 244, and By pushing protruding portion 244 that clicking section 243 is driven to rotate to the second position far from rotary shaft 211, meanwhile, protruding portion 244 Rotated around rotation axis L2, that is to say, that in the section vertical with rotation axis L2, clicking section 243 and protruding portion 244 with Point where rotation axis L2 is that the center of circle constitutes concentric circles, under the premise of rotating same angle, the arc length of the rotation of clicking section 243 It is longer than the arc length that protruding portion 244 rotates, increase the purpose that clicking section 243 rotates arc length to play, that is to say, that clicking section 2423 strokes far from rotation axis 211 are increased.

Protruding portion 244 is prominent from poke rod 242, including adjacent stress surface 244a and retaining surface 244b, when force protrusion 213 with protruding portion 244 contact when, force surface 213a is contacted with stress surface 244a first, with force protrusion 213 rotation, apply Power face 213a is gradually disengaged with stress surface 244a, and shifting part 24 gradually moves to the second position, is completely disengaged and is connect to the two After touch, retaining surface 244b is contacted with outer surface 213c, and shifting part 24 reaches the second position, and clicking section 243 is most from rotary shaft 211 Far；Since outer surface 213c is arcwall face, during retaining surface 244b and outer surface 213c is contacted, clicking section 243 It is always held at the position farthest from rotary shaft 211；Further, it thus can also obtain, clicking section 243 is maintained at from rotation The time of 211 highest distance position of shaft and the arc length of outer surface 213c are positively correlated, that is to say, that and the arc length of outer surface 213c is longer, The time that clicking section 243 is maintained at from 211 highest distance position of rotary shaft is longer, accordingly, the time that can be detected according to optical path in equipment Length determines the arc length of outer surface 213c.

The counting process of Delevoping cartridge D is described below with reference to figure attached drawing 4A, Fig. 4 B, Fig. 5 A, Fig. 5 B, Fig. 6 A and Fig. 6 B, for more It is clearly seen the motion process of each component in counting component 20, other uncorrelated components have been concealed in the following drawings, have only been remained The associated components of counting component 20.

Fig. 4 A be the utility model relates to development box-counting before count tooth and count part status diagram；Fig. 4 B is From the utility model relates to Delevoping cartridge a longitudinal end from count tooth and count part count before status diagram；Figure 5A be the utility model relates to development box-counting in count tooth and count part status diagram；Fig. 4 B is practical from this The longitudinal end observation of the novel Delevoping cartridge being related to counts tooth and counts the status diagram in part counting；Fig. 6 A is this reality With the status diagram for counting tooth and counting part after the novel development box-counting being related to；Fig. 6 B be from the utility model relates to The longitudinal end observation of Delevoping cartridge counts tooth and counts the status diagram after part counts.

As shown in Figure 4 A and 4 B shown in FIG., after Delevoping cartridge D is mounted to equipment, clicking section 243 is located at nearest from rotary shaft 211 First position, at this point, an end of the frizzen in equipment is under the contention effect of clicking section 243, another end is no longer Optical path in screening arrangement.Before counting, tooth 233 is engaged with driving gear holding, the top surface 213a and cover board 112 of the protrusion that exerts a force Contact, spring 22 are compressed, and are counted part 21 and are in retracted mode, and force surface 213b is not contacted with stress surface 244a, at this point, in conjunction with Protrusion 214, which enters, to be combined in hole 235；When starting counting, tooth 233 receives the drive force gear mass 231 of driving gear It is rotated around rotation axis L1 along direction shown in r1, by the combination for combining protrusion 214 and being combined hole 235, counts part 21 by tooth The driving of wheel body 231 is also rotated around rotation axis L1 along direction shown in r1, and force surface 213b moves closer to stress surface 244a；When applying When power face 213b and stress surface 244a are contacted, shifting part 24 is whole to be started to rotate around rotation axis L2 along direction shown in r2, is stirred Portion 243 is gradually distance from rotary shaft 211, and torsional spring gradually deforms and energy accumulation.

As fig. 5 a and fig. 5b, it is kept as force surface 213a as counting part 21 is rotated to after crossing stress surface 244a Face 244b is contacted with force protrusion outer surface 213c, and clicking section 243 reaches the second position farthest from rotary shaft 211, and is protecting It holds in the state that face 244b contacts with outer surface 213c, the position of clicking section 243 is maintained, and shifting part 24 no longer rotates；This When, the frizzen in equipment is no longer oppressed in clicking section 243, and frizzen returns to the position of optical path in screening arrangement, in outer surface In the time that 213c is contacted with retaining surface 244b, spring 22 is still within compressed state, counts part 21 and remains in contracting The state of returning.

As shown in Figure 6 A and 6 B, with the rotation for counting part 21, as the outer surface 213c and retaining surface of force protrusion When 244b is disengaged, shifting part 24 under the elastic reset power effect of torsional spring around rotary shaft L2 along direction shown in r3 from second Position returns to first position, thus, the frizzen in equipment is oppressed in clicking section 243 again, and the optical path in equipment is no longer shielded； Meanwhile the protrusion 213 that exerts a force reaches position corresponding with the second through-hole 114 on end cap 11, the top surface 213a for the protrusion that exerts a force is no longer Contacted with cover board 112, count part 21 spring 22 elastic reset power effect under to far from counting gear 23 direction move and It stretches out, stress protrusion 214 is combined with the disengaging of hole 235 is combined, and rotary shaft 211 and force protrusion 213 are each passed through first through hole 113 and second through-hole 114 and it is exposed, count complete；From the aspect of realizing the utility model aim, counting component 20 is counted After the completion of number, if the force protrusion 213 into the second through-hole 114, without exposing to end cap 11, that is to say, that It falls into a trap 21 place side of pieces in Delevoping cartridge D, along the rotation axis L1 for counting part 21, on the direction far from shell 10, force is prominent Rise 213 top surface 213a be more than cover board 112 inside, in other words, force protrusion 213 top be more than cover board 112 it is interior Side.

In the utility model embodiment, rotary shaft 211 passes through counting gear receiving hole 234, thus, it is revolved in rotary shaft 211 During turning, one end of rotary shaft 211 is received the restriction of hole 234, further, to prevent rotary shaft 211 in rotary course In shake, it is preferred that the other end of rotary shaft 211 is also defined, specifically, count part 21 be in extend and retract state When, the other end of rotary shaft 211 is limited by first through hole 113.

As described above, counting component 20 complete count after, stress protrusion 214 and be combined hole 235 not in conjunction with, count Gear 23 continues to rotate under the driving effect of driving gear, and the driving force of counting gear 23, which can not be transferred to, counts part 21, It counts part 21 to remain stationary, and protrudes from end cap 11 from the second through-hole 114 due to exerting a force protrusion 213, be equivalent to force protrusion 213 are located on end cap 11 by the second through-hole 114, even if there is external force on counting part 21, counting part 21 will not move again Dynamic, therefore, the job stability of Delevoping cartridge D can be effectively ensured.

Claims (10)

1. Delevoping cartridge is removably mounted in the equipment with frizzen, including shell, positioned at one longitudinal end of shell End cap and the counting component being mounted on shell, counting component are used to match with frizzen between end cap and shell It closes,

Counting component includes counting part, the first elastic component, counting gear, shifting part and the second elastic component,

Counting gear and shifting part are rotatably installed on shell, the first elastic component be installed in counting gear and count part it Between, the second elastic component is installed between shell and shifting part, is counted part and is telescopically located at along the rotation axis of counting gear Between counting gear and end cap,

Counting part includes rotary shaft, from rotary shaft outer peripheral surface, radially outwardly extending force protrusion and setting are prominent in force Engaging portion on rising, engaging portion are used in conjunction with counting gear,

Shifting part can rotate between the first position close to rotary shaft and the second position far from rotary shaft,

It is characterized in that,

When shifting part is located at first position, counts part and be in retracted mode；

When shifting part is located at the second position, counts part and be still within retracted mode；

When shifting part returns to first position from the second position, counts part and be in stretching state.

2. Delevoping cartridge according to claim 1, which is characterized in that when shifting part is located at first position, engaging portion and meter Number gear combines, and when shifting part returns to first position from the second position, engaging portion is combined with counting gear disengaging.

3. Delevoping cartridge according to claim 1, which is characterized in that when shifting part is located at the second position, engaging portion and meter Number gear combines.

4. Delevoping cartridge according to claim 1, which is characterized in that when shifting part is located at first position, shifting part compressing Frizzen, when shifting part is located at the second position, shifting part no longer oppresses frizzen.

5. Delevoping cartridge described in any one of -4 claims according to claim 1, which is characterized in that counting gear includes tooth Wheel body is rotatably installed in positioned at the tooth of gear mass outer peripheral surface, the receiving hole on gear mass and engaged portion, gear mass On shell, counts part and be received hole receiving, tooth is for receiving driving force.

6. Delevoping cartridge according to claim 5, which is characterized in that engaging portion is that the stress protrusion counted on part is arranged in, Engaged portion is the hole that is combined being arranged on gear mass, and stress protrusion is used for and is combined in conjunction with hole.

7. Delevoping cartridge according to claim 6, which is characterized in that end cap has opposite outside and inside, including end cap Body, holding tank, cover board and third through-hole；

Wherein, holding tank is recessed to be formed from end cap Inside To Outside, and cover board is formed as the bottom of holding tank, including formed therein For allowing to count the first through hole and the second through-hole that part passes through,

Between end cover body and cover board, third through-hole is contacted for allowing to count part with shifting part third through-hole.

8. Delevoping cartridge according to claim 7, which is characterized in that end cap further includes the limited block being arranged in holding tank, The limited block is used to abut with counting part.

9. Delevoping cartridge according to claim 8, which is characterized in that counting part further includes the instruction unit being disposed therein, shell It is provided on body and opposite with instruction unit is instructed to portion.

10. handle box, which is characterized in that including drum part box and as described in any one of claim 1-9 claim Delevoping cartridge, Delevoping cartridge are removably mounted in bulging part box.