CN217521478U - Powder box and detection mechanism thereof - Google Patents

Abstract

The utility model provides a powder box and a detection mechanism thereof, wherein the detection mechanism comprises a rotating wheel and a driving source, the driving source drives the rotating wheel to rotate, the driving source is an elastic piece, and the restoring force of the driving source forces the rotating wheel to rotate; the detection mechanism further includes a rotational speed control assembly that contacts the rotating wheel and controls a rotational speed of the rotating wheel. The detection mechanism can reduce the torque generated by rotation in the working process of the powder box and ensure that the powder box can be effectively identified by the imaging equipment.

Description

Powder box and detection mechanism thereof

Technical Field

The utility model relates to an electronic imaging equipment consumptive material field, specifically speaking relates to a powder box and detection mechanism thereof.

Background

An image forming apparatus generally uses a detachable toner cartridge to supply toner thereto to develop an electrostatic latent image on a photosensitive member and then transfer the developed image onto a medium such as paper to form a visible image.

The existing powder box comprises a box body, two axial ends of the box body are respectively provided with a driving head and a detection gear with missing teeth, a developer accommodating chamber and a powder outlet which are used for accommodating a developer are arranged in the box body, an agitating frame which is used for agitating the developer is arranged in the developer accommodating chamber, a developing roller is arranged at the powder outlet, a gear train which drives the agitating frame and the developing roller to rotate is arranged at the outer side of the box body, a first axial end of the agitating frame is provided with a first agitating gear, the driving head and the first agitating gear are meshed with a middle transmission gear and transmit rotary driving force to the agitating frame, a second axial end of the agitating frame is provided with a second agitating gear, a detection gear can be meshed with the second agitating gear, and a triggering part which is used for triggering a contacted component in the imaging equipment is arranged on the detection gear. When a new powder box is installed on the imaging equipment, a driving gear train consisting of the driving head, the first stirring gear and the second stirring gear is driven to rotate and drives the detection gear meshed with the driving head to rotate, the triggering part on the detection gear rotates and triggers the contacted component in the imaging equipment, and the imaging equipment detects that the powder box is new. When the detection gear rotates to the state that the tooth-lacking part faces the second stirring gear, the detection gear is not meshed with the second stirring gear any more, and the detection gear does not rotate along with the rotation of the second stirring gear any more.

The driving head drives the developing roller, the powder feeding roller and the stirring frame to rotate, the stirring blades on the stirring frame continuously stir the carbon powder in the powder bin, and meanwhile, the stirring frame also drives the detection gear on the other side to rotate, so that the detection and the identification of the imaging equipment are realized. After a series of rotation transmission, the rotation twisting force received by the driving force receiving head is very large, the torque is large, the driving head in the imaging device is easily damaged, and the imaging device cannot accurately and effectively identify the powder box easily.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first purpose provides a detection mechanism for powder box, and this detection mechanism can reduce the rotatory moment of torsion that produces in the powder box working process, guarantees that the powder box can effectively be discerned by imaging device.

The second objective of the present invention is to provide a powder box with the above-mentioned detection mechanism.

The third objective of the present invention is to provide another powder box with the above-mentioned detection mechanism.

In order to achieve the first object, the present invention provides a detection mechanism for a powder box, which includes a rotation wheel and a driving source, wherein the driving source drives the rotation wheel to rotate, the driving source is an elastic member, and the restoring force of the driving source forces the rotation wheel to rotate; the detection mechanism further includes a rotational speed control assembly that contacts the rotating wheel and controls a rotational speed of the rotating wheel.

According to the scheme, the driving source is arranged to provide the rotating driving force for the rotating wheel, so that the torsion force applied to each rotating component in the powder box is greatly reduced, and the damage to a force transmission part in the powder box or a transmission head of the imaging device due to the overlarge torsion force is prevented. Simultaneously through setting up rotation speed control assembly in order to control the rotation speed of rotating the wheel for rotate the wheel and rotate according to predetermineeing the frequency, thereby guaranteed that the powder box can be effectively detected.

Preferably, the rotating speed control assembly comprises a tooth buckle and a stirring piece, teeth are arranged on the outer peripheral wall of the rotating wheel, a hinge portion is arranged in the middle of the tooth buckle, the tooth buckle can be in limit fit with the teeth on the downstream side of the rotating direction of the rotating wheel, and the stirring piece can rotate and drive the tooth buckle to swing around the hinge portion.

Therefore, before the powder box is loaded into the imaging device, the driving source is in a force accumulation state, and the tooth buckle forms limit fit with the tooth at the downstream side of the rotating direction of the rotating wheel to prevent the rotating wheel from rotating. After the powder box is arranged in the imaging device, the driving force receiving head drives the rotating component to rotate after receiving the rotating driving force applied by the transmission head of the imaging device, meanwhile, the rotating component drives the stirring component to rotate, the stirring component releases the limit between the tooth buckle and the tooth, at the moment, the rotating wheel rotates under the restoring force of the driving source, in the rotating process of the rotating wheel, the triggering part of the detection mechanism triggers the contacted component in the imaging device, and the imaging device detects that the powder box is new. When a used toner cartridge is mounted to the image forming apparatus, the driving source is in a non-power accumulation state, and therefore the rotating wheel is no longer rotated, and the triggering portion is no longer triggering the contacted member of the image forming apparatus, so that this toner cartridge is detected as not being new.

Because the utility model discloses an in the powder box, rotate the wheel and pass through the drive source drive and rotate, consequently only need the rotating member to apply the power that a very little release tooth was detained to the tooth through stirring the piece for the drive source drive rotates the wheel and drives the trigger part and rotate, can accomplish the installation of powder box and detect, consequently can reduce the moment of torsion of the rotatory production of rotating member, avoids damaging the transmission head in the imaging device, guarantees the powder box that imaging device can effectively discern simultaneously.

One preferred scheme is that the rotating wheel and the poking piece are respectively arranged on two opposite sides of the gear buckle; the tooth buckle is provided with two limiting hooks and two unlocking bulges, the two limiting hooks are respectively arranged at two ends of the tooth buckle, and the two unlocking bulges are both arranged in the middle of the tooth buckle and are arranged at intervals; two spacing hooks all are located the tooth and detain towards one side of rotating the wheel and all can stretch into between two adjacent teeth that correspond, and two unblock archs all are located the tooth and detain towards one side of stirring the piece. Acting force is applied to the two unlocking bulges in sequence in the rotating process of the stirring piece.

Therefore, after the shifting piece is contacted with one unlocking protrusion, the tooth buckle rotates for a certain angle around the hinge shaft, one limiting hook is separated from the tooth, the rotating wheel rotates for a preset angle under the action of the driving source, the other limiting hook and the tooth form limiting fit, and the rotating wheel stops rotating. When the toggle piece continues to rotate along with the rotating member, the above-mentioned actions are repeated, thereby controlling the time required for the rotating wheel to rotate by the preset angle, that is, controlling the rotating speed of the rotating wheel.

The gear buckle is divided into a first locking section and a second locking section by a hinge shaft of the gear buckle, wherein one limiting hook and one unlocking protrusion are both positioned on the first locking section, and the other limiting hook and the other unlocking protrusion are both positioned on the second locking section.

Therefore, the limiting hook and the corresponding unlocking protrusion are arranged on the same locking section, so that the tooth buckle can be driven to rotate and the corresponding limiting hook can be separated from the tooth when the unlocking protrusion is stressed.

The rotating wheel comprises a one-way tooth part, the one-way tooth part comprises a plurality of teeth which are arranged along the circumferential direction, and the tooth buckle limits the rotating wheel to only rotate reversely; the limiting hook is provided with a stop wall and a guide wall which are intersected, and the tooth is provided with a limiting wall and a guide wall which are intersected; the stop wall can be in limit fit with the limit wall at the downstream side of the rotating direction of the rotating wheel to limit the rotating wheel to rotate; when the driving rotating wheel rotates reversely, the guide wall can slide along the guide wall relative to the tooth buckle.

Therefore, the rotating wheel can rotate reversely, so that the resetting of the rotating wheel can be conveniently realized, the effective limiting of the rotating wheel is ensured by the matching of the limiting wall and the stopping wall, and the smoothness of the resetting process of the rotating wheel is ensured by the matching of the guide wall and the guide wall.

One preferred scheme is that the stirring piece is provided with a force application bulge, the unlocking bulge is positioned on a rotating path of the force application bulge, the outer peripheral wall of the force application bulge protrudes outwards along the radial direction and can be abutted against the unlocking bulge, and the force application bulge is in smooth transition with the outer peripheral wall of the stirring piece.

Therefore, after the shifting piece rotates to the position where the force application protrusion abuts, the tooth buckle is stressed to rotate by a certain angle, the unlocking structure is simple, the tooth buckle can be unlocked effectively, the force application protrusion and the outer peripheral wall of the shifting piece are in smooth transition, the shifting piece and the tooth buckle are prevented from being clamped, and the smooth performance of the unlocking process is guaranteed.

The further scheme is that the number of the force application bulges is more than two, and the force application bulges are uniformly arranged at intervals along the circumferential direction of the toggle piece.

Therefore, the rotating time of the rotating wheel is adjusted by adjusting the number and the arrangement mode of the force application bulges.

In order to achieve the second object, the utility model provides a powder box, including box body, rotating member, drive power receiving head, first gear train and detection mechanism, the box body has the carbon powder portion of holding, rotating member rotatably supports between the first end wall and the second end wall of box body, drive power receiving head sets up on the first end wall for receive rotary drive power, be provided with tooth portion on the perisporium of drive power receiving head, first gear train sets up on the first end wall, first gear train with tooth portion meshing, detection mechanism sets up second end wall department.

In order to achieve the third object, the present invention provides another powder box, including a box body, a rotating member, a driving force receiving head, a first gear train and a detecting mechanism, the box body has a carbon powder containing part, the rotating member is rotatably supported between the first end wall and the second end wall of the box body, the driving force receiving head is disposed on the first end wall for receiving the rotating driving force, a tooth part is disposed on the peripheral wall of the driving force receiving head, the first gear train is disposed on the first end wall, the first gear train is engaged with the tooth part, and the detecting mechanism is disposed at the second end wall. The rotating component drives the stirring piece to rotate and releases the limit fit between the tooth buckle and the tooth.

Preferably, the rotary member includes a developing roller, and the dial is provided at an axial end of the developing roller.

Therefore, the developing roller is usually arranged at the powder outlet of the box body, the torque force received in the rotating process is small, the developing roller drives the poking piece to rotate to unlock the locking component, the overall torque force received by each component of the powder box is still small, the driving head of the imaging equipment cannot be damaged, and meanwhile effective detection of the powder box can be guaranteed.

Preferably, the rotating member includes a powder feeding roller; the detection mechanism also comprises a second gear train, the second gear train is arranged on the second end wall and comprises a powder feeding roller gear and a driving gear which are in driving connection, and the powder feeding roller gear is arranged at the axial end of the powder feeding roller; the drive gear further includes a gear portion and a toggle member that are integrally formed, the gear portion and the toggle member being arranged along an axial direction of the drive gear.

It follows that the rotational force transmitted from the powder feed roller to the powder feed roller gear is transmitted to the rotary wheel through the second gear train, so that the arrangement position of the rotary wheel has a greater degree of freedom.

One preferred scheme is that the rotating wheel is provided with an installation groove, the opening of the installation groove faces the box body, and the driving source is positioned in the installation groove; the driving source is a torsion spring, one torsion arm of the torsion spring is connected to the second end wall, and the other torsion arm of the torsion spring is connected to the rotating wheel.

Preferably, the bearing plate assembly is arranged on the second end wall, the bearing plate assembly is provided with a support column and a hinge shaft, the support column and the hinge shaft extend from the bearing plate assembly along the axial direction of the rotating wheel to the direction far away from the box body, the rotating wheel is sleeved on the support column and can rotate around the support column, and the hinge part of the tooth buckle is sleeved on the hinge shaft.

Therefore, the support column, the hinge shaft and the like are arranged on the bearing plate assembly, the structure of the box body is simplified, the forming process of the box body is simpler, and meanwhile, when the support column, the hinge shaft and other fragile structures are damaged, only the bearing plate assembly is replaced, so that the cost is reduced.

The bearing plate assembly comprises a first bearing plate and a second bearing plate which are arranged along the width direction of the box body, and the second bearing plate is provided with a developing roller supporting hole and a powder feeding roller supporting hole; the support column is arranged on the first bearing plate, and the hinge shaft is arranged on the second bearing plate.

In a further aspect, the second bearing plate and the rotator wheel are made of conductive materials, and the second bearing plate is electrically connected with the rotator wheel.

Therefore, power supply to the developing roller and the powder feeding roller is realized through the second bearing plate and the rotating wheel which are made of conductive materials, and the structure is simple and the reliability is high.

The further scheme is that an electric contact bulge is arranged on the side wall, far away from the box body, of the second bearing plate, and the electric contact bulge is in contact with the end wall of the rotating wheel.

Therefore, the structure can be simplified by adopting a direct contact mode, and the assembly is convenient.

The further scheme is that a groove is formed in the second bearing plate, a cantilever is arranged in the groove, one end of the cantilever is connected with the inner peripheral wall of the groove, at least one electric contact protrusion is arranged on the cantilever, and the electric contact protrusion is tightly attached to the rotating wheel through elastic restoring force of the cantilever.

Therefore, the electric contact bulge arranged on the cantilever is tightly attached to the rotating wheel, so that the rotating wheel is stably and electrically connected with the second bearing plate.

Preferably, a position of the second bearing plate close to the hinge shaft is provided with a limit protrusion, and the limit protrusion is located on one side of the tooth buckle in the swing direction of the tooth buckle to limit the swing angle of the tooth buckle.

Therefore, the gear buckle is prevented from rotating by too large an angle and being incapable of resetting by limiting the swing angle of the gear buckle.

Preferably, the powder container further comprises an end cover, the end cover is fixed on the second end wall of the container body, a positioning opening is penetratingly arranged on the side wall of the end cover opposite to the second end wall, and an axial end of the rotating wheel far away from the container body extends out of the positioning opening.

Therefore, the axial end of the rotating wheel extends out of the end cover, on one hand, a contacted component in the imaging device can be conveniently triggered, and on the other hand, a user can conveniently reversely rotate the rotating wheel, so that the rotating wheel is reset.

Preferably, the rotating wheel is provided with a reset part at an axial end far away from the box body, and the reset part extends along the radial direction of the rotating wheel and extends out of the positioning opening.

Therefore, after the carbon powder in the powder box is used up, the rotating wheel rotates reversely by applying acting force to the reset part, the reset of the detection component can be realized, and after the powder box is filled into the carbon powder loading machine, the printer still identifies the powder box as new and can print repeatedly.

Preferably, the detection mechanism is provided with a trigger portion, and the trigger portion is disposed on the rotating wheel and exposed from the end cover.

It follows that, during the rotation of the rotating wheel, the triggering portion of the detection mechanism rotates together with the rotating wheel and triggers the contacted member in the image forming apparatus, and the image forming apparatus detects that the toner cartridge is new.

Preferably, the detection mechanism further comprises a contact member, the contact member is hinged to the end cover, the contact member is located between the end cover and the rotating wheel, one side, away from the box body, of the rotating wheel is provided with at least one convex portion, the contact member is provided with a contact portion and a trigger portion, the contact portion can be abutted against the convex portion, and the trigger portion is exposed out of the end cover.

As can be seen from the above, the rotating wheel rotates under the restoring force of the driving source, and during the rotation of the rotating wheel, the convex portion on the rotating wheel rotates along with the rotating wheel, and the convex portion pushes the contact member to swing during the rotation, so that the triggering portion at the second end of the contact member triggers the contacted member in the image forming apparatus.

Drawings

Fig. 1 is a structural view of a first embodiment of the compact of the present invention.

Fig. 2 is an exploded view of the conductive end of the first embodiment of the compact of the present invention.

Fig. 3 is a partial view of the first embodiment of the compact of the present invention after the second end cap is hidden.

Fig. 4 is a cross-sectional view of a first embodiment of the compact of the present invention.

Fig. 5 is a state diagram of the detection mechanism in the first position of the first embodiment of the compact of the present invention.

Fig. 6 is a state diagram of the detection mechanism in the second position according to the first embodiment of the compact of the present invention.

Fig. 7 is a state diagram of the detection mechanism in the third position in the first embodiment of the compact of the present invention.

Fig. 8 is a structural view of a second end cap and a detection mechanism of a second embodiment of the compact of the present invention.

Fig. 9 is an exploded view of the second end cap and the detection mechanism of the second embodiment of the compact of the present invention.

Fig. 10 is a structural view of a third embodiment of the powder box of the present invention.

Fig. 11 is a partial view of a third embodiment of the compact of the present invention with the second end cap concealed.

Fig. 12 is a structural view of a detection mechanism in a third embodiment of the compact of the present invention.

Fig. 13 is a sectional view of a third embodiment of the compact of the present invention.

Fig. 14 is a front view of the partial structure of fig. 13.

Fig. 15 is a structural view of a fourth embodiment of the compact of the present invention.

Fig. 16 is an exploded view of the fourth embodiment of the compact of the present invention.

Fig. 17 is a partial view of the second end cap, the conductive torsion spring, the spacing torsion spring, and the agitator of the fourth embodiment of the compact of the present invention.

Fig. 18 is an assembly view of the second end cap, the conductive torsion spring, the spacing torsion spring, the motor and the agitator of the fourth embodiment of the compact of the present invention.

Fig. 19 is a state diagram of the motor, the rotating wheel, the conductive torsion spring and the stirring frame when the second torsion arm of the conductive torsion spring is located at the position separated from the second connecting end of the motor in the initial state according to the fourth embodiment of the present invention.

Fig. 20 is a state diagram of the motor, the conductive torsion spring and the stirring frame when the second torque arm of the conductive torsion spring is located at the second connection end contact position with the motor according to the fourth embodiment of the present invention.

Fig. 21 is a state diagram of the motor, the rotating wheel and the conductive torsion spring when the second torque arm of the conductive torsion spring is separated from the second access end of the motor again in the fourth embodiment of the present invention.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

Powder cartridge first embodiment:

referring to fig. 1 and 2, the powder container includes a container body 1, a first end cover 21, a second end cover 22, a rotary member 3, a driving force receiving head 10, a first gear train 4, and a detection mechanism 5.

The first end cover 21 is fixed on the first end wall 11 of the box body 1, the second end cover 22 is fixed on the second end wall 12 of the box body 1, the first gear train 4 is positioned in a space enclosed by the first end cover 21 and the box body 1, and the detection mechanism 5 is positioned in a space enclosed by the second end cover 22 and the box body 1.

The rotating member 3 comprises a developing roller 31, a powder feeding roller 32, a stirring frame 33 and the like, the box body 1 is provided with a carbon powder accommodating part 13 and a powder outlet 14, the stirring frame 33 and the powder feeding roller 32 are both positioned in the carbon powder accommodating part 13, the developing roller 31 is positioned at the powder outlet 14, the powder feeding roller 32 and the developing roller 31 are arranged in parallel and the peripheral walls of the two are contacted, and the powder feeding roller 32 is used for conveying carbon powder in the carbon powder accommodating part 13 to the developing roller 31.

The rotary members 3 such as the developing roller 31, the powder feeding roller 32, and the agitating frame 33 are rotatably supported between the first end wall 11 and the second end wall 12 of the case 1, the driving force receiving head 10 is provided on the first end wall 11 for receiving the rotational driving force, the peripheral wall of the driving force receiving head 10 is provided with teeth, and the first gear train 4 includes a developing roller gear 41, a powder feeding roller gear, an agitating frame gear, and an intermediate transmission gear. The first gear train 4 is arranged on the first end wall 11 of the box body 1, the developing roller gear 41 is arranged at the first axial end of the developing roller 31, the powder feeding roller gear is arranged at the first axial end of the powder feeding roller 32, the stirring frame gear is arranged at the first axial end of the stirring frame 33, the developing roller gear 41, the powder feeding roller gear and the intermediate transmission gear are all meshed with the tooth part of the driving force receiving head 10, and the stirring frame gear is connected with the tooth part of the driving force receiving head 10 through the intermediate transmission gear.

Referring to fig. 2 to 4, the detection mechanism 5 is disposed on the second end wall 12, and the detection mechanism 5 includes a driving source, a rotating wheel 51, and a rotational speed control assembly, in this embodiment, the driving source is a torsion spring 54, an elastic restoring force of the torsion spring 54 forces the rotating wheel 51 to rotate, the rotational speed control assembly is used for controlling a rotational speed of the rotating wheel, the rotational speed control assembly includes a tooth catch 52 and a toggle piece 53, and the rotating wheel 51 is rotatably supported on a first bearing plate 61 fixed to the second end wall 12. The rotary wheel 51 includes a one-way toothed portion 511 and a trigger portion 512, and the one-way toothed portion 511 includes a plurality of teeth arranged in the circumferential direction, each of the plurality of teeth being located on the outer circumferential wall of the rotary wheel 51. A positioning opening 221 is penetratingly formed in a side wall of the second end cover 22 opposite to the second end wall 12, a triggering portion 512 is disposed at one end of the rotating wheel 51 far from the case body 1, the triggering portion 512 extends out of the second end cover 22 from the positioning opening 221, and the triggering portion 512 is used for triggering a contacted member in the image forming apparatus.

The second end wall 12 is provided with a bearing plate assembly 6, and the bearing plate assembly 6 includes a first bearing plate 61 and a second bearing plate 62 arranged along the width direction of the cartridge 1. The first bearing plate 61 is provided with a supporting column 611, the supporting column 611 extends from the bearing plate assembly 6 along the axial direction of the rotating wheel 51 in a direction away from the case 1, the rotating wheel 51 is sleeved on the supporting column 611 and can rotate around the supporting column 611, meanwhile, the second end wall 12 is further provided with a positioning column 121 integrally formed with the case 1, the supporting column 611 is sleeved on the positioning column 121, and accurate positioning of the rotating wheel 51 is achieved. The second bearing plate 62 is further provided with a developing roller supporting hole 621 and a powder feeding roller supporting hole 622, the second axial end of the developing roller 31 is supported in the developing roller supporting hole 621, and the second axial end of the powder feeding roller 32 is supported in the powder feeding roller supporting hole 622. The rotating wheel 51 is provided with a mounting groove 511, the opening of the mounting groove 511 faces the box body 1, a torsion spring 54 is arranged in the mounting groove 511 and sleeved on the supporting column 611, one torsion arm of the torsion spring 54 is connected to the first bearing plate 61, the other torsion arm of the torsion spring 54 is connected to the rotating wheel 51, and the restoring force of the torsion spring 54 can force the rotating wheel 51 to rotate.

The second bearing plate 62 is provided with a hinge 623, the hinge 623 extends from the bearing plate assembly 6 along the axial direction of the rotating wheel 51 in the direction away from the box body 1, the middle part of the latch 52 is provided with a shaft hole 521 as a hinge, and the latch 52 is sleeved on the hinge 623 through the shaft hole 521 and can swing around the hinge 623.

The tooth holder 52 forms a limit fit with the teeth at a downstream side in the direction in which the rotary wheel 51 rotates, and the tooth holder 52 restricts the rotary wheel 51 from rotating only in the reverse direction.

The stirring member 53 is provided at the second axial end of the developing roller 31, and the rotating wheel 51 and the stirring member 53 are provided on opposite sides of the rack 52 in the width direction of the cartridge body 1, respectively. The developing roller 31 drives the stirring member 53 to rotate and releases the limit fit between the tooth buckle 52 and the tooth.

Tooth buckle 52 is provided with two limit hook 522 and two unblock archs 523, and two limit hook 522 set up respectively at the both ends of tooth buckle 52, and two unblock archs 523 all set up at the middle part and the interval arrangement of tooth buckle 52, and two limit hook 522 all are located tooth buckle 52 towards one side of rotating wheel 51 and all can stretch into between two adjacent teeth that correspond, and two unblock archs 523 all are located tooth buckle 52 towards one side of stirring piece 53.

The hinge shaft 623 of the tooth holder 52 divides the tooth holder 52 into a first locking section 524 and a second locking section 525, the hinge shaft 623 of the tooth holder 52 is close to a plane formed by a central axis of the rotating wheel 51 and a central axis of the toggle piece 53, one of the limit hooks 522 and one of the unlocking protrusions 523 are located on the first locking section 524, and the other limit hook 522 and the other unlocking protrusion 523 are located on the second locking section 525.

The limit hook 522 is provided with a stop wall 5221 and a guide wall 5222 which intersect with each other, the teeth are provided with a limit wall 5111 and a guide wall 5112 which intersect with each other, the stop wall 5221 can limit the rotation of the rotary wheel 51 by limit-engaging with the limit wall 5111 at the downstream side in the rotation direction of the rotary wheel 51, and the guide wall 5112 can slide along the guide wall 5222 relative to the tooth holder 52 when the rotary wheel 51 is driven to rotate reversely.

The toggle member 53 is provided with two force application protrusions 531, the two force application protrusions 531 are arranged along the radial direction of the toggle member 53, the two unlocking protrusions 523 are located on a path where the force application protrusions 531 rotate, the force application protrusions 531 protrude outwards from the outer peripheral wall of the toggle member 53 in the radial direction and can be abutted against the unlocking protrusions 523, and the force application protrusions 531 are in smooth transition with the outer peripheral wall of the toggle member 53.

The second bearing plate 62 and the rotary wheel 51 are made of an electrically conductive material, and the second bearing plate 62 is electrically connected to the rotary wheel 51. The side wall of the second bearing plate 62 remote from the cartridge 1 is provided with three electric contact protrusions 624, and the electric contact protrusions 624 contact the end wall of the rotary wheel 51. A groove 625 is formed on the second bearing plate 62, a cantilever 626 is arranged in the groove 625, one end of the cantilever 626 is connected with the inner peripheral wall of the groove 625, one of the electric contact protrusions 624 is located at the free end of the cantilever 626, and the elastic restoring force of the cantilever 626 forces the electric contact protrusion 624 to be tightly attached to the rotating wheel 51.

A position of the second bearing plate 62 near the hinge 623 is provided with a limit protrusion 627, and the limit protrusion 627 is located at one side of the latch 52 in a swing direction of the latch 52 to limit a swing angle of the latch 52.

Before the toner cartridge is loaded into the image forming apparatus, the torsion spring 54 is in a power accumulating state, and as shown in fig. 5, a limit hook 522 at the upper end of the tooth catch 52 is brought into limit engagement with one tooth at the downstream side in the direction in which the rotary wheel 51 rotates, thereby preventing the rotary wheel 51 from rotating. After the powder box is loaded into the imaging device, the driving force receiving head 10 receives the rotational driving force applied by the transmission head of the imaging device, drives the developing roller 31 to rotate, and simultaneously the developing roller 31 drives the toggle piece 53 to rotate, and when the force applying protrusion 531 of the toggle piece 53 abuts against the unlocking protrusion 523 of the tooth catch 52, applies a force to the unlocking protrusion 523, so as to force the tooth catch 52 to swing clockwise by a certain angle and separate the upper limit hook 522 from the tooth, i.e. to release the limit between the upper limit hook 522 and the tooth, at this time, the rotating wheel 51 rotates under the restoring force of the torsion spring 54, and as shown in fig. 6, the lower limit hook 522 enters between two adjacent teeth to limit the angle of each rotation of the rotating wheel 51, and further to limit the time required by the rotating wheel 51 rotating to a predetermined angle, during the process that the developing roller 51 continuously rotates, as shown in fig. 5 to fig. 7, the two force application protrusions 531 alternately apply forces to the two unlocking protrusions 523, so that the rotating wheel 51 is continuously rotated until the torsion spring 54 is in a non-power accumulation state, and during the rotation of the rotating wheel 51, the triggering portion 512 rotates along with the rotating wheel 51 and triggers the contacted member in the image forming apparatus, and the image forming apparatus detects that the toner cartridge is new.

When a used toner cartridge is mounted to the image forming apparatus, the torsion spring 54 is in a non-power storage state, and therefore the rotating wheel 51 no longer rotates, and the triggering portion 512 no longer triggers the contacted member of the image forming apparatus, so that this toner cartridge is detected as not being new. Since the trigger 512 extends out of the positioning opening 221 to the outside of the second end cap 22, after the toner in the toner cartridge is used and the toner is refilled, the force can be applied to the trigger 512 and the rotating wheel 51 can be rotated in the opposite direction, so that the rotating wheel 51 can be reset, and the toner cartridge can be reused as a new toner cartridge.

It is from top to bottom visible, because the utility model discloses an in the powder box, rotate the wheel and pass through the drive source drive and rotate, consequently only need rotating member to detain the power of applying a very little release tooth through stirring to the tooth to make the drive source drive rotate the wheel and rotate, can accomplish the installation of powder box and detect, consequently can reduce the rotatory moment of torsion that produces of rotating member, avoid damaging the transmission head in the imaging device, guarantee the powder box that imaging device can effectively discern simultaneously.

Second embodiment of powder compact:

as a description of the second embodiment of the compact of the present invention, only the differences from the first embodiment of the compact will be described below.

Referring to fig. 8 and 9, in the present embodiment, the rotating wheel 251 is provided with the reset unit 250, the reset unit 250 extends from the end wall 2501 of the rotating wheel 251 away from the case body outward from the positioning opening 2201 of the second end cap 222, and the reset unit 250 passes through the central axis of the rotating wheel 251 and extends in one radial direction of the rotating wheel 251.

Further, the outer surface of the second end cap 222 is provided with the index portions 223, the end wall 2501 of the rotating wheel 251 is provided with the index portions 2502, preferably, the number of the index portions 223 is two, the two index portions 223 are arranged at intervals along the circumferential direction of the positioning opening 2201, and when the rotating wheel 251 is reset, the rotating wheel 251 is reversely rotated by operating the reset portion 250 until the index portions 2502 are located between the two index portions 223 in the circumferential direction, which is a reset phase after the initial phase of the rotating wheel 251 is reset every time. The marking 233 and the indicating 2502 may be grooves, protrusions, patterns, or the like.

Third embodiment of powder box:

as a description of the third embodiment of the compact of the present invention, only the differences from the first embodiment of the compact will be described below.

Referring to fig. 10 to 12, the detecting mechanism 35 is disposed on the second end wall 312 and between the second end wall 312 and the second end cap 322, the detecting mechanism 35 includes a rotating wheel 351 and a contact member 352, the rotating wheel 351 is rotatably supported on the second end wall 312, the contact member 352 is hinged on the second end cap 322, the contact member 352 is disposed between the second end cap 322 and the rotating wheel 351, a side of the rotating wheel 351 away from the case 310 is provided with three protrusions 3511, the contact member 352 is provided with a contact portion 3522 and a trigger portion 3521, the contact portion 3522 can abut against the protrusions 3511, the trigger portion 3521 is exposed out of the second end cap 322, and the trigger portion 3521 is used for triggering a contacted member in the image forming apparatus.

The detection mechanism 35 further includes a second gear train 353, the second gear train 353 is disposed on the second end wall 312, the second gear train 353 includes a powder feeding roller gear 3531, a driving gear 3532 and two intermediate gears 3533, the toggle member 35322 is located on the driving gear 3532 and is integrally formed with the driving gear 3532, the powder feeding roller gear 3531 is disposed at an axial end of the powder feeding roller 332, the driving gear 3532 further includes a gear portion 35321, and the gear portion 35321 and the toggle member 35322 of the driving gear 3532 are disposed along an axial direction of the driving gear 3532. The drive gear 3532 and the gear portion 35321 are connected by two intermediate gears 3533, so that the rotational force received by the powder feed roller gear 3531 from the powder feed roller 332 is transmitted to the drive gear 3532 through the two intermediate gears 3533.

An axial end of the rotary wheel 351 remote from the case body 310 is provided with a reset portion 3512 protruding outward, and the reset portion 3512 extends in a radial direction of the rotary wheel 351, one axial end of the rotary wheel 351 is rotatably supported in the positioning opening 3201, and the reset portion 3512 protrudes from the positioning opening 3201, so that a user can easily reset the rotary wheel 351 by applying a force to the rotary wheel 351 through the reset portion 3512.

Referring to fig. 13 and 14, in the present embodiment, a limiting groove 3221 is disposed on an inner wall of the second end cap 322, the contact member 352 is further provided with a limiting rod 3523, the limiting rod 3523 and the triggering portion 3521 are respectively disposed at two opposite sides of the hinge portion 3520 of the contact member 352, the limiting groove 3221 is provided with a limiting wall 3222, and the limiting wall 3222 is in an extending direction of a swing path of the contact member 352 to limit a swing angle of the contact member 352.

In addition, the number of the force applying bulges can be one or more than two, and the force applying bulges are arranged at intervals along the circumferential direction of the stirring piece. The number, shape, arrangement, etc. of the electrical contact protrusions on the second bearing plate can be changed as desired. The reset portion may also extend along a chord direction of the rotator. The number and shape of the projections on the rotor wheel may also be varied as desired. The driving source may employ other elastic members than the torsion spring. The rotation speed control unit may employ another means for controlling the rotation speed of the rotating wheel, for example, a conventional brake pad assembly or the like, which reduces the speed of the rotating wheel 351 by means of friction. The above changes also enable the object of the present invention to be achieved.

Fourth embodiment of powder box:

as a description of the fourth embodiment of the compact of the present invention, only the differences from the first embodiment of the compact will be described below.

Referring to fig. 15 to 18, the detection mechanism 45 in the present embodiment is constituted by a mount 452, a rotating wheel 451, a power supply 453, a switch assembly 46, and a motor 40. The rotation wheel 451 is rotatably supported on a support shaft 4220 of an inner wall of the second cover 422 in this embodiment.

The driving source includes the motor 40, and in accordance with an embodiment, the driving source of the present embodiment is also a rotational force transmission system that is independent of the driving force receiving head 413, the gear train, and the rotating member, i.e., the rotating wheel 451 is driven to rotate by the motor 40, not by the driving force received by the driving force receiving head 413. The motor 40 is a speed-adjustable direct current motor, preferably, the motor 40 is a direct current speed-reducing motor, the rated power of the direct current speed-reducing motor is 0.15W to 0.5W, the rated voltage is 1.3V to 3.3V, the rated current is 0.1A to 0.3A, the rated rotating speed is 22rpm to 28rpm, and the rated torque is 0.03 N.m to 0.25 N.m.

The top of the second end of the box 410 is provided with a receiving slot 411, and the motor 40 is fixed in the receiving slot 411 through a mounting seat 452. In order to facilitate the stirring of the carbon powder by the stirring frame 433 and to feed the powder to the powder outlet 414, and to prevent the carbon powder in the carbon powder cartridge from caking, the entire carbon powder containing part is usually not filled with the carbon powder, and therefore the containing groove 411 is provided in the containing groove 411 at the top of the cartridge body 410, so that the size of the cartridge can be reduced without reducing the capacity of the carbon powder containing part. Preferably, the power source 453 is a button cell battery with a voltage in the range of 1.3V to 3.3V.

The power source 453 is provided at one end of the motor 40 remote from the driving shaft 400 of the motor 40, and the power source 453 is provided with a first electrode 4531 and a second electrode 4532, one of the first electrode 4531 and the second electrode 4532 being a positive electrode and the other being a negative electrode. The motor 40 is provided with a first inlet 401 and a second inlet 402, the first inlet 401 being electrically connected to the second electrode 4532, the second inlet 402 being located at one end of the motor 40 adjacent to the rotating wheel 451.

The switch assembly 46 is used to make or break an electrical connection between the power source 453 and the motor 40. The switch assembly 46 includes a conductive torsion spring 461, a catch 462, a conductive trigger 463 and a de-energized trigger 464. A first torsion spring mounting column 4221 is further disposed on the inner wall of the second end cap 422, a conductive torsion spring 461 is sleeved on the first torsion spring mounting column 4221, a first torsion arm 4611 of the conductive torsion spring 461 is electrically connected with the first electrode 4531, and a second torsion arm 4612 of the conductive torsion spring 461 can be switched between positions of contacting and separating with the second access end 402. Catches 462 are located on the inner wall of second end cap 422, and as shown in fig. 17 and 18, catches 462 serve to define second torque arm 4612 in a position separate from second access end 402.

As shown in fig. 19, a conductive trigger 463 is provided at an axial end of the stirring frame 433, and the second torque arm 4612 can abut against the conductive trigger 463 to release the position restriction of the second torque arm 4612. Conductive trigger 463 is provided with accommodating groove 4631 and guiding inclined surface 4632, the end of second torque arm 4612 is located in accommodating groove 4631, guiding inclined surface 4632 is connected with bottom wall 4633 of accommodating groove 4631, bottom wall 4633 of accommodating groove 4631 is parallel to the axial direction of stirring shaft 433. The guide slope 4632 is located on the end wall of the agitating holder 433 and is disposed at an acute angle to the central axis of the agitating holder 433. With the rotation of the stirring rack 433, the second torque arm 4612 moves along the guiding inclined surface 4632, and after the guiding inclined surface 4632 forces the second torque arm 4612 to disengage from the hook 462, the second torque arm 4612 moves toward the second access 402 by the restoring force and abuts against the second access 402.

As shown in fig. 16 and 17, a connecting shaft 4512 is disposed on an inner sidewall 4511 of the rotator 451 facing the motor 40, the driving shaft 400 of the motor 40 is circumferentially and limitedly fitted with a shaft hole of the connecting shaft 4512, the de-energizing trigger 464 is located on the inner sidewall 4511 of the rotator 451, and the de-energizing trigger 464 protrudes radially outward from an outer peripheral wall of the connecting shaft 4512, when the second torque arm 4612 contacts the second connection end 402, the second torque arm 4612 is located on a rotation path of the de-energizing trigger 464, and the de-energizing trigger 464 can abut against the second torque arm 4612 and push the second torque arm 4612 to a position (shown in fig. 21) disconnected from the second connection end 402.

A stopping protrusion 4513 is arranged on the outer peripheral wall of the connecting shaft 4512 and close to the inner side wall 4511 of the rotating wheel 451, a second torsion spring mounting column 4222 is further arranged on the inner wall of the second end cover 422, a limiting torsion spring 47 is sleeved on the second torsion spring mounting column 4222, a third torsion arm 471 of the limiting torsion spring 47 is connected to the second end cover 422, and a fourth torsion arm 472 of the limiting torsion spring 47 is located on the rotation path of the stopping protrusion 4513 to block the rotation of the rotating wheel 451.

In this embodiment, the working process of the detection mechanism 45 of the compact is as follows.

Referring to fig. 17 to 21, before the powder container is loaded into the image forming apparatus, as shown in fig. 19, the second torsion arm 4612 of the conductive torsion spring 461 abuts against the conductive trigger 463 at the end of the stirring frame 433 and is located in the accommodating groove 4631, then the transmission belt in the image forming apparatus drives the driving force receiving head 413 to rotate, and then the rotating force is transmitted to the rotating component such as the stirring frame 433 through the first gear train, the stirring frame 433 rotates and drives the conductive trigger 463 to rotate, the second torsion arm 4612 moves towards the side of the end wall of the stirring frame 433 along the guide inclined plane 4632 until the second torsion arm 4612 is separated from the hook 462, as shown in fig. 20, the second torsion arm 4612 is separated from the hook 462 and then moves towards the motor 40 under the action of the self elastic restoring force and abuts against the second connection end 402, thereby completing the circuit. Then, after the motor 40 is powered on, the rotating wheel 451 is driven to rotate, and the triggering part 4512 arranged on one side of the rotating wheel 451, which is far away from the box body 1, rotates along with the rotating wheel 451 and triggers a contacted component in the image forming device, so that the loading detection of the powder box is realized. At this time, as the rotating wheel 451 rotates, the power cutoff triggering portion 464 is driven to rotate to a position abutting against the second torque arm 4612, and when the rotating wheel 451 further rotates, as shown in fig. 20, the power cutoff triggering portion 464 pushes the second torque arm 4612 to a position disconnected from the second connection end 402 of the motor 40, thereby disconnecting the circuit, and the rotating wheel 451 is not driven to rotate any more after the motor 40 is powered off.

Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, and are not intended to limit the scope of the present invention, as those skilled in the art will appreciate that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended to cover all such modifications, equivalents, and improvements as fall within the true spirit and scope of the invention.

Claims (22)

1. A detection mechanism for on powder box includes:

a rotating wheel;

a drive source that drives the rotary wheel to rotate;

it is characterized in that the preparation method is characterized in that,

the driving source is an elastic piece, and the restoring force of the driving source forces the rotating wheel to rotate;

the detection mechanism further includes a rotational speed control assembly that contacts the rotating wheel and controls a rotational speed of the rotating wheel.

2. The detection mechanism of claim 1, wherein:

the rotating speed control assembly comprises a tooth buckle and a stirring piece, teeth are arranged on the peripheral wall of the rotating wheel, a hinged portion is arranged in the middle of the tooth buckle, the tooth buckle can be in limit fit with the teeth on the downstream side of the rotating direction of the rotating wheel, and the stirring piece can rotate and drive the tooth buckle to swing around the hinged portion.

3. The detection mechanism of claim 2, wherein:

the rotating wheel and the poking piece are respectively arranged on two opposite sides of the tooth buckle;

the tooth buckle is provided with two limiting hooks and two unlocking bulges, the two limiting hooks are respectively arranged at two ends of the tooth buckle, and the two unlocking bulges are both arranged in the middle of the tooth buckle and are arranged at intervals;

the two limiting hooks are located on one side, facing the rotating wheel, of the tooth buckle and can stretch into the space between two corresponding adjacent teeth, the two unlocking protrusions are located on one side, facing the poking piece, of the tooth buckle, and acting force is applied to the two unlocking protrusions in sequence in the rotating process of the poking piece.

4. The detection mechanism of claim 3, wherein:

the hinge shaft of the tooth buckle divides the tooth buckle into a first locking section and a second locking section, one of the limiting hooks and one of the unlocking protrusions are located on the first locking section, and the other limiting hook and the other unlocking protrusion are located on the second locking section.

5. The detection mechanism according to claim 3 or 4, wherein:

the rotating wheel comprises a one-way tooth part, the one-way tooth part comprises a plurality of teeth which are arranged along the circumferential direction, and the tooth buckle limits the rotating wheel to only rotate reversely;

the limiting hook is provided with a stopping wall and a guiding wall which are intersected, and the teeth are provided with a limiting wall and a guiding wall which are intersected;

the stop wall can be in limit fit with the limit wall at the downstream side of the rotating direction of the rotating wheel to limit the rotating wheel to rotate;

when the rotating wheel is driven to rotate reversely, the guide wall can slide along the guide wall relative to the tooth buckle.

6. The detection mechanism according to claim 3 or 4, wherein:

the poking piece is provided with a force application bulge, the unlocking bulge is located on a rotating path of the force application bulge, the force application bulge protrudes outwards along the radial direction from the peripheral wall of the poking piece and can be abutted against the unlocking bulge, and the force application bulge is in smooth transition with the peripheral wall of the poking piece.

7. The detection mechanism of claim 6, wherein:

the number of the force applying bulges is more than two, and the force applying bulges are uniformly arranged along the circumferential direction of the stirring piece at intervals.

8. A compact, comprising:

a cartridge having a toner accommodating part;

a rotating member rotatably supported between the first and second end walls of the cartridge;

a driving force receiving head provided on the first end wall for receiving a rotational driving force, the driving force receiving head being provided with a tooth portion on a circumferential wall thereof;

a first gear train disposed on the first end wall, the first gear train meshing with the teeth;

the method is characterized in that:

the compact further comprising a detection mechanism according to any one of claims 1 to 7 disposed at the second end wall.

9. Powder box, including:

a cartridge having a toner accommodating part;

a rotating member rotatably supported between the first and second end walls of the cartridge;

a driving force receiving head provided on the first end wall for receiving a rotational driving force, the driving force receiving head being provided with a tooth portion on a circumferential wall thereof;

a first gear train disposed on the first end wall, the first gear train meshing with the teeth;

the method is characterized in that:

the compact further comprising a detection mechanism according to any one of claims 2 to 7, the detection mechanism being provided at the second end wall;

the rotating component drives the stirring piece to rotate and releases the limit fit between the tooth buckle and the tooth.

10. The powder container according to claim 9, wherein:

the rotary member includes a developing roller, and the dial is provided at an axial end of the developing roller.

11. The powder container according to claim 9, wherein:

the rotating component comprises a powder feeding roller, the detection mechanism further comprises a second gear train, the second gear train is arranged on the second end wall and comprises a powder feeding roller gear and a driving gear which are in driving connection, and the powder feeding roller gear is arranged at the axial end of the powder feeding roller;

the drive gear further includes a gear portion and the toggle member that are integrally formed, the gear portion and the toggle member being arranged along an axial direction of the drive gear.

12. The powder container according to any one of claims 9 to 11, characterized in that:

the rotating wheel is provided with an installation groove, the opening of the installation groove faces the box body, and the driving source is positioned in the installation groove;

the driving source is a torsion spring, one torsion arm of the torsion spring is connected to the second end wall, and the other torsion arm of the torsion spring is connected to the rotating wheel.

13. The powder container according to any one of claims 9 to 11, characterized in that:

the bearing plate assembly is arranged on the second end wall, the bearing plate assembly is provided with a supporting column and a hinge shaft, the supporting column and the hinge shaft extend along the axial direction of the rotating wheel to the direction far away from the box body, the rotating wheel is sleeved on the supporting column and can rotate around the supporting column, and the hinged portion of the tooth buckle is sleeved on the hinge shaft.

14. The powder container according to claim 13, characterized in that:

the bearing plate assembly comprises a first bearing plate and a second bearing plate which are arranged along the width direction of the box body, and the second bearing plate is provided with a developing roller supporting hole and a powder feeding roller supporting hole;

the support column is located on the first bearing plate, and the hinge shaft is located on the second bearing plate.

15. The powder container according to claim 14, characterized in that:

the second bearing plate and the rotating wheel are both made of conductive materials, and the second bearing plate is electrically connected with the rotating wheel.

16. The powder container according to claim 15, wherein:

the second bearing plate is far away from the side wall of the box body and is provided with an electric contact bulge, and the electric contact bulge is in contact with the end wall of the rotating wheel.

17. The powder container according to claim 16, characterized in that:

the second bearing plate is provided with a groove, a cantilever is arranged in the groove, one end of the cantilever is connected with the inner peripheral wall of the groove, the cantilever is provided with at least one electric contact bulge, and the elastic restoring force of the cantilever forces the electric contact bulge to be tightly attached to the rotating wheel.

18. The powder container according to claim 14, wherein:

the second bearing plate is provided with a limiting bulge at a position close to the hinge shaft, and the limiting bulge is positioned on one side of the tooth buckle in the swinging direction of the tooth buckle so as to limit the swinging angle of the tooth buckle.

19. The powder container according to any one of claims 9 to 11, characterized in that:

the powder box further comprises an end cover, the end cover is fixed to the second end wall of the box body, a positioning opening is arranged on the side wall, opposite to the second end wall, of the end cover in a penetrating mode, and the axial end, far away from the box body, of the rotating wheel extends out of the positioning opening.

20. The powder container according to claim 19, wherein:

the axial end of the rotating wheel far away from the box body is provided with a reset part, and the reset part extends along the radial direction of the rotating wheel and extends out of the positioning opening.

21. The powder container according to claim 19, wherein:

the detection mechanism is provided with a triggering part, and the triggering part is arranged on the rotating wheel and is exposed out of the end cover.

22. The powder container according to claim 19, wherein:

the detection mechanism further comprises a contact component, the contact component is hinged to the end cover and located between the end cover and the rotating wheel, at least one convex portion is arranged on one side, away from the box body, of the rotating wheel, the contact component is provided with a contact portion and a trigger portion, the contact portion can be abutted to the convex portion, and the trigger portion is exposed out of the end cover.

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