CN220121150U - Developing device - Google Patents

Abstract

The utility model discloses a developing device, which relates to the technical field of electrophotographic imaging equipment and solves the problems that a detected piece in the existing detected piece is driven by a detecting device through driving force transmitted in the electronic imaging device, however, the time of the detected piece being driven has strict requirements so as to meet the set requirements in the detecting device, and the technical scheme is that the developing device comprises the following main points: a case body; a developing member; a power receiving section; the transmission assembly is in transmission connection with the power receiving part; the detected piece is movably arranged at the end part of the box body; the transmission mechanism is coaxially connected with the transmission assembly and can convert the rotation power of the transmission assembly into a driving force for driving the detected piece to move towards the detection device; the utility model aims to provide a plurality of detection modes of an image forming device for information of a developing device, which can effectively increase the precision of a detected piece and is beneficial to miniaturization of the developing device.

Description

Developing device

Technical Field

The present utility model relates to the technical field of electrophotographic image forming apparatuses, and more particularly, to a developing device.

Background

The process cartridge is detachably mountable to an image forming apparatus, and the process cartridge includes a developing device and a drum cartridge to which the developing device is detachably mountable. A developing device is a detachable part widely used in an electronic image forming apparatus. The electronic imaging device needs to be replaced with a new one after the printing consumables are consumed. A developing device has a detected member for being detected by a detecting device of an electronic image forming apparatus, thereby transmitting information of a developing device to the electronic image forming apparatus.

In the prior art, the detected piece is driven by the detection device through the driving force transmitted by the electronic imaging device, however, the time for driving the detected piece has strict requirements to meet the set requirements in the detection device, for example, after the electronic imaging device starts to transmit the driving force, the detected piece and the detection rod of the detection device need to maintain a contact state for a period of time, so that the problem of inaccurate detection caused by different electronic imaging devices due to different sensitivities of the detection device is solved, and the reliability of the detected piece is increased.

Disclosure of Invention

The utility model aims to provide a developing device, and aims to provide a plurality of detecting modes of an image forming device for information of the developing device, so that the accuracy of a detected piece can be effectively increased, and the developing device is beneficial to miniaturization.

The technical aim of the utility model is realized by the following technical scheme:

a developing device, comprising:

a cartridge for accommodating a developer;

a developing member that rotates about an axis extending in a first direction;

a power receiving part, which is positioned at one end of the box body, is used for receiving the driving force of the electronic imaging device and transmitting the driving force to other parts of a developing device;

The transmission assembly is positioned at one end of the box body and is in transmission connection with the power receiving part;

the detected piece is movably arranged at one end of the box body and can move to a detection device which is abutted against the electronic imaging device;

the transmission mechanism is positioned at one end of the box body and is in transmission connection with the transmission assembly, and can convert the rotation power of the transmission assembly into the driving force for driving the detected piece to move towards the detection device.

In some embodiments of the present invention, in some embodiments,

the transmission mechanism comprises:

the first rotating piece is in transmission connection with the transmission assembly;

the driving rotating piece is connected with the first rotating piece and is in transmission connection with the detected piece, and the rotating force of the transmission assembly can be converted into driving force for driving the detected piece to approach the detection device.

In some embodiments, the detected piece is slidably disposed at an end of the box body, and the detected piece can slide to abut against a detection device of the electronic imaging device.

In some embodiments of the present invention, in some embodiments,

the driving rotary piece is provided with a first transmission bulge;

the first rotating member includes:

the second driving wheel is coaxially connected to the driving assembly and is provided with a second driving groove; when the second transmission groove is engaged with the first transmission protrusion, the first rotating member drives the driving rotating member to rotate.

In some embodiments of the present invention, in some embodiments,

the driving rotary piece is provided with a second transmission bulge;

the first rotating member includes:

the first driving wheel is coaxially connected with the driving assembly and is provided with a first driving groove;

the second driving wheel is coaxially arranged on the first driving wheel;

when the second transmission groove is disengaged from the first transmission protrusion, the first transmission groove is engaged with the second transmission protrusion, and the first rotating member can be buffered along the self-rotation direction of the driving rotating member.

In some embodiments, the number of the first transmission protrusions is a plurality, wherein a detachment notch portion capable of detaching the second transmission groove from the first transmission protrusion is left between two first transmission protrusions.

In some embodiments, the cartridge has a first end and a second end disposed opposite in a first direction; the first end is provided with a first protecting cover, and the second end is provided with a second protecting cover.

In some embodiments, the driving rotating member is provided with a mounting positioning portion, the second protecting cover is provided with a second elastic member for providing acceleration for the driving rotating member, and the second elastic member is in fit and abutting connection with the mounting positioning portion.

In some embodiments, the second protecting cover is provided with a guiding part, and the detected piece is slidably connected in the guiding part.

In some embodiments, a first elastic member abutting against the detected member is disposed in the guide portion, and the first elastic member can provide an elastic force for the detected member away from the detecting device.

In some embodiments, the second driving wheel has a plurality of driving parts, and the second driving groove is formed between two adjacent driving parts.

In some embodiments, the transmission assembly includes:

the stirring element is rotationally arranged on the box body;

the driven wheel is coaxially connected with the stirring element;

the first middle gear is rotatably arranged on the box body and is in transmission connection with the driven wheel;

the second middle gear is rotatably arranged on the box body and is respectively connected with the power receiving part and the first middle gear in a transmission way;

therefore, when the driven wheel is a gear and is directly meshed with the second middle gear, the diameter of the driven wheel needs to be increased because the position of the driven wheel is limited by the position of the stirring element, and the space needed by the transmission assembly is increased; however, only one first middle gear is added between the driven wheel and the second middle gear, the diameter of the driven wheel does not need to be increased, and the driven wheel and the first middle gear are mostly overlapped in the first direction, so that the first middle gear does not additionally increase the space for arranging the first middle gear in the vertical direction, and the miniaturization of a transmission assembly is facilitated.

In some embodiments, the detected piece is rotatably disposed at an end of the box body, and the detected piece can rotate to abut against a detection device of the electronic imaging device. The first rotating piece is in transmission connection with the transmission component and drives the detected piece to rotate to be abutted to the detection device of the electronic imaging device.

In some embodiments, the transmission mechanism comprises:

the adapter piece is movably arranged at one end of the box body and is respectively in transmission connection with the first rotating piece and the detected piece, and the adapter piece has two motion states;

in a first motion state, the adapter moves in a direction approaching to the detected piece under the drive of the first rotating piece until being in transmission connection with the detected piece;

in the second movement state, the adapter piece is driven by the first rotating piece to move in a direction away from the detected piece until the adapter piece is disconnected from the detected piece.

Therefore, by adding the adapter structure, the extending distance of the first joint part and the second joint part in the radial direction can be reduced, and the influence on the normal transmission relation of the developing device due to the interference effect generated before the first joint part and the second joint part is avoided.

In some embodiments of the present invention, in some embodiments,

the first rotating piece is provided with a first joint part;

the adapter includes:

the mounting part can be movably arranged at one end of the box body along the first direction;

a first contact portion provided at one end of the mounting portion and capable of being brought into contact with the first joint portion;

a second abutting portion provided at the other end of the mounting portion and capable of abutting against the first engaging portion;

the detected piece comprises:

the detected gear part is rotatably arranged at one end of the box body;

a detected part arranged on the end part of the detected gear part;

the second joint part is arranged on the detected gear part and is in transmission connection with the second abutting part.

Therefore, the first joint part and the second joint part are driven by the adapter, so that a larger arrangement space can be provided for the first joint part and the second joint part of the developing device, the position relationship and the shape structure of the first joint part and the second joint part can be more conveniently adjusted, and the driving relationship between the first joint part and the second joint part can be ensured to be more stable and reliable. In addition, the adaptor structure is additionally arranged, so that the extending distance of the first joint part and the second joint part in the radial direction can be reduced, and the influence on the normal transmission relation of the developing device due to the interference effect of the first joint part and the second joint part before the first joint part and the second joint part is avoided.

In some embodiments, the end of the box body is provided with a second protecting cover; the adapter comprises an avoidance part arranged on the mounting part, and the second protecting cover is provided with an avoidance hole for accommodating the avoidance part; the second protecting cover is provided with a mounting groove, and the mounting part slides in the mounting groove.

In view of the foregoing, it is an object of the present utility model to provide a method for detecting information of a developing device by using a plurality of image forming apparatuses, which can effectively increase the accuracy of a detected member and is beneficial to miniaturization of the developing device.

Drawings

Fig. 1 is a schematic perspective view of a developing device according to a first embodiment;

FIG. 2 is a schematic perspective view of the second end of the first embodiment with the second cover removed;

FIG. 3 is a schematic plan view of a part to be inspected according to a first embodiment;

fig. 4 is a schematic perspective view of a side of a detected member near a case in the first embodiment;

FIG. 5 is a schematic view of a developing device according to a second embodiment of the present utility model;

FIG. 6 is a side view of a developing device with a first cover hidden in accordance with a second embodiment of the present utility model;

FIG. 7 is a side view of another side of a developing device according to a second embodiment of the present utility model;

FIG. 8 is an exploded view of a member to be inspected in a developing device according to a second embodiment of the present utility model;

FIG. 9 is an exploded view showing a second cover attached to a detected member according to a second embodiment of the present utility model;

FIG. 10 is a schematic diagram of a detected member mounted on a second protecting cover according to a second embodiment of the present utility model;

FIG. 11 is a schematic view of components of a driving rotator and transfer wheel according to a second embodiment of the present utility model;

FIG. 12 is a schematic diagram of a touch detection device for a detected object according to a second embodiment of the present utility model;

FIG. 13 is an exploded view of a transmission mechanism in a developing device according to a third embodiment of the present utility model;

FIG. 14 is a schematic view of the components of the driven wheel according to the third embodiment of the present utility model;

FIG. 15 is a side view of a developing device with a first protective cover hidden in accordance with a third embodiment of the present utility model;

FIG. 16 is a schematic view of a transmission structure of another embodiment of the third embodiment of the present utility model;

fig. 17 is a schematic perspective view of a developing device according to a fourth embodiment of the present utility model;

FIG. 18 is a side view of a developing device according to a fourth embodiment of the present utility model concealing a first protective cover;

fig. 19 is a side view of the other side of a developing device according to a fourth embodiment of the present utility model;

Fig. 20 is a schematic perspective view of the other side of a developing device according to a fourth embodiment of the present utility model;

FIG. 21 is an enlarged schematic view of FIG. 20A;

fig. 22 is an exploded perspective view of a member to be inspected of a developing device according to a fourth embodiment of the present utility model;

fig. 23 is a schematic perspective view of a second protecting cover of a developing device according to a fourth embodiment of the present utility model;

FIG. 24 is an enlarged schematic view of B in FIG. 23;

fig. 25 is a schematic perspective view of an adapter according to a fourth embodiment of the present utility model;

fig. 26 is a schematic perspective view of a detected member at an initial position according to a fourth embodiment of the present utility model;

FIG. 27 is an enlarged schematic view of C in FIG. 26;

fig. 28 is a schematic perspective view of a detected member in an intermediate position according to a fourth embodiment of the present utility model;

FIG. 29 is an enlarged schematic view of D in FIG. 28;

fig. 30 is a schematic perspective view of a transmission mechanism according to a fourth embodiment of the present utility model;

reference numerals: 100. a detection device; 1. a case body; 11. a first end; 111. a first protective cover; 12. a second end; 121. a second protective cover; 122. a guide part; 122a, a first positioning portion; 122b, a second positioning portion; 122c, mounting slots; 122d, a first opening; 122e, a second opening; 122f, a third opening; 123. a conductive terminal; 124. avoidance holes; 13. a third end; 131. a developing roller; 14. a fourth end; 141. a handle; 15. a fifth end; 16. a sixth end;

2. A member to be detected; 21. a driven part; 22. a contact portion; 23. a first elastic member; 24. a detection unit; 25. a gear portion to be detected; 26. tooth-missing parts; 27. a second joint;

3. a first rotating member; 31. a first driving wheel; 310. a first transmission groove; 32. a second driving wheel; 320. a transmission part; 321. a second transmission groove; 33. a large diameter gear portion; 34. a small diameter gear portion; 35. a first joint;

4. driving the rotating member; 40. separating from the notch portion; 41. a first transmission protrusion; 42. a second transmission protrusion; 420. a circular ring bulge; 43a, first transmission protrusions; 43b, second transmission protrusions; 43c, third transmission protrusions; 44a, a first sleeve; 44b, an installation positioning part; 44c, a second elastic member; 45. a first positioning transmission protrusion;

5. an adapter; 50. a transmission mechanism; 51. a mounting part; 52. a first abutting portion; 53. a second abutting portion; 54. an avoidance unit;

6. a transmission assembly; 600. a developing member; 60. a power receiving section; 61. a developing gear; 62. a powder feeding gear; 63. an intermediate gear; 631. a first intermediate gear; 632. a second intermediate gear; 640. a stirring element; 64. a stirring gear; 66. a chip; 67. driven wheel; 671. a driven body; 672. a connecting piece; 672a, a first connection; 672b, a connecting body; 672c, a second connection; 673. a first connection hole; 674. and a second connection hole.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

Example 1

As shown in fig. 1 to 4, the present embodiment discloses a developing device which is detachably mounted on a drum assembly in an electrophotographic apparatus.

The cartridge 1 has a housing chamber for housing developer therein, the cartridge 1 has a first end 11 and a second end 12 disposed opposite to each other in a first direction, the cartridge 1 has a third end 13 and a fourth end 14 disposed opposite to each other in a second direction, and the cartridge 1 has a fifth end 15 and a sixth end 16 disposed opposite to each other in the third direction. The box body 1 is provided with a powder outlet, the powder outlet is positioned at the third end 13, the box body 1 is provided with a handle 141, and the handle 141 is positioned at the fourth end 14.

The developing member 600 includes a developing roller 131, a powder feeding roller, and a stirring member 640, and the developing roller 131, the powder feeding roller, and the stirring member 640 are rotatably installed in the accommodating chamber between the first end 11 and the second end 12. The rotational axes of the developing roller 131, the powder feeding roller, and the stirring member 640 all extend in the first direction. The developing roller 131 is disposed at the powder outlet. The toner feed roller is disposed immediately adjacent to the developing roller 131. The stirring member 640 serves to stir the developer in the accommodating chamber to charge the developer and prevent the developer from agglomerating. In order to enable the stirring member 640 to sufficiently stir the developer, and to increase the capacity of the accommodating chamber, the accommodating chamber is provided with a cylindrical surface. The cylindrical surface is located at the sixth end 16, and protrudes from the box 1, so that the capacity of the accommodating cavity is increased, and because the stirring element 640 rotates around the shaft, the space swept by the stirring element 640 is also cylindrical, so that the accommodating cavity with the cylindrical surface is matched with the space swept by the stirring element 640, and the developer is fully stirred.

The transmission assembly is configured as a transmission gear set provided at the first end 11, the transmission gear set including a power receiving portion 60 rotatably mounted on the first end 11 of the cartridge 1, a driving gear, a developing roller 131 gear, a powder feeding roller gear, and a stirring gear 64. The power receiving portion 60 is configured to receive power output by the electronic imaging device, the power receiving portion 60 and the driving gear are coaxially integrally formed, and the power receiving portion 60 is driven by the driving gear directly or indirectly, compared with the driving gear which is far away from the first end 11 of the box body 1, by the developing roller 131 gear, the powder feeding roller gear, and the stirring gear 64. Alternatively, other transmission modes may be used for transmission, such as friction transmission, belt transmission, and the like. The first end 11 of the box 1 is also detachably and fixedly provided with a first protecting cover 111 for protecting the transmission gear set by means of screws or buckles, and the first protecting cover 111 is provided with an opening for connecting the power receiving part 60 with the power output end of the electronic imaging device.

The power receiving part 60 is closer to the fifth end 15 and the fourth end 14 of the cartridge 1 than the developing roller 131, the power receiving part 60 is closer to the fifth end 15 of the cartridge 1 than the powder feeding roller, and the power receiving part 60 is closer to the third end 13 of the cartridge 1 than the stirring member 640.

The conductive component comprises a conductive member, the conductive member is electrically connected with the developing roller 131 and the powder feeding roller, the conductive member is provided with a conductive end 123 for contacting with a power supply end in the electronic imaging device, and the conductive end 123 is positioned at the second end 12 of the box body 1.

The transmission mechanism 50 comprises a first rotating member 3 rotatably mounted at the second end 12 of the box body 1 and a driving rotating member 4, and the driving rotating member 4 can convert the rotating force of the transmission assembly 6 into a linear driving force for driving the detected member 2 to approach the detection device 100. The first rotating member 3 comprises a first driving wheel 31 and a second driving wheel 32 which are coaxially and integrally formed, and the first driving wheel 31 of the first rotating member 3 is coaxially and fixedly arranged on the end part of the stirring element 640, which is close to the second end 12 of the box body 1, so that the first driving wheel 31 is coaxially connected with the stirring element 640 in the driving assembly 6, and specifically, the diameter of the first driving wheel 31 is larger than that of the second driving wheel 32. The first transmission wheel 31 is closer to the case 1 than the second transmission wheel 32. The driving rotary member 4 is provided with a first transmission protrusion 41, the first transmission protrusion 41 is cylindrical, the first transmission protrusion 41 extends along a first direction, the first transmission protrusion 41 is positioned on one surface of the driving rotary member 4 close to the box body 1, the first transmission protrusion 41 is circumferentially distributed on the driving rotary member 4, a second transmission groove 321 matched with the first transmission protrusion 41 is integrally formed on the circumferential surface of the second transmission wheel 32, and the second transmission groove 321 is uniformly distributed on the circumferential surface of the second transmission wheel 32. The driving rotary member 4 is further provided with a disengagement notch 40, the disengagement notch 40 and the first transmission protrusion 41 are located on the same circumference, and the first transmission protrusion 41 is not provided at the disengagement notch 40.

The surface of the driving rotary piece 4 close to the box body 1 is also coaxially and integrally formed with a circular ring protrusion 420, and the radius of the circular ring protrusion 420 is smaller than the distance between the first transmission protrusion 41 and the axis of the driving rotary piece 4. The second transmission protrusion 42 is integrally formed on one surface of the annular protrusion 420, which is close to the box body 1, and the first transmission groove 310 matched with the second transmission protrusion 42 is integrally formed on the circumferential surface of the first transmission wheel 31. The first transmission grooves 310 are uniformly distributed on the first transmission wheel 31. The second transmission projection 42 is located on the driving rotator 4 in a sector area opposite to the escape notch 40.

The driving rotator 4 has a driving protrusion, and a first transmission protrusion 43a, a second transmission protrusion 43b, and a third transmission protrusion 43c, i.e., the first transmission protrusion 43a, the second transmission protrusion 43b, and the third transmission protrusion 43c are configured as driving protrusions, are integrally formed in the circumferential direction on an end surface of the driving rotator 4 on the side remote from the case 1. The first transmission protrusion 43a, the second transmission protrusion 43b and the third transmission protrusion 43c are all located on the same circumference, the first transmission protrusion 43a, the second transmission protrusion 43b and the third transmission protrusion 43c are all arc-shaped, and the centers of the first transmission protrusion 43a, the second transmission protrusion 43b and the third transmission protrusion 43c are all located on the axis of the driving rotary member 4. The arc length of the first transmission protrusion 43a is larger than the second transmission protrusion 43b and the third transmission protrusion 43c. The end of the driving rotary member 4, which is close to the box body 1, is coaxially and integrally formed with a first shaft sleeve 44a, an installation positioning portion 44b is integrally formed on the circumferential surface of the first shaft sleeve 44a, a second elastic member 44c capable of being the driving rotary member 4 is installed on the second protecting cover 121, the second elastic member 44c can be matched and abutted with the installation positioning portion 44b, and preferably, the second elastic member 44c is a torsion spring.

Preferably, the driving rotary member 4 is provided with a first positioning transmission protrusion 45 on an end surface far away from the box body 1, and a second positioning transmission protrusion (not labeled in the figure) which can be abutted by the first positioning transmission protrusion 45 is arranged on an end surface of the second protecting cover 121 close to the box body 1; the first positioning transmission protrusion 45 can rotate following the rotation of the driving rotation member 4 until the first positioning transmission protrusion is abutted against the second positioning transmission protrusion, so that the driving rotation member 4 stops rotating.

The second protecting cover 121 is provided with a guide portion 122, in this embodiment, the guide portion 122 is a sliding rail, one end of the guide portion 122, which is close to the third end 13 of the box body 1, is not closed, a detected piece 2 is slidably mounted in the guide portion 122, a mounting through hole is formed in the detected piece 2, a first positioning portion 122a is integrally formed in the guide portion 122, the first positioning portion 122a is located in the mounting through hole, a side wall of the mounting through hole, which is far away from the third end 13 of the box body 1, is a supporting surface, a second positioning portion 122b is arranged on the supporting surface, and a first elastic piece 23 is mounted between the second positioning portion 122b and the first positioning portion 122 a. The detected member 2 is closer to the fifth end 15 of the case 1 than the rotation axis of the driving rotary member 4, the detected member 2 has a driven portion 21 that can be in driving connection with the first driving protrusion 43a, the second driving protrusion 43b, and the third driving protrusion 43c, in this embodiment, the driven portion 21 is a push rod, the driven portion 21 is integrally formed on a side surface of the detected member 2 near the case 1, and the driven portion 21 can be pushed by the first driving protrusion 43a, the second driving protrusion 43b, and the third driving protrusion 43 c. The second protecting cover 121 is provided with a notch for the driven part 21 to extend between the second protecting cover 121 and the second end 12 of the box body 1. The end of the inspected member 2 near the third end 13 of the case 1 is provided with a contact portion 22 for contacting with the inspection bar (i.e., the inspection device 100) in the electronic imaging device. The contact portion 22 may protrude from the guide portion 122. The contact portion 22 is closer to the fourth end 14 of the case 1 than the conductive end 123.

The identification assembly comprises a storage medium mounted on the first cover 111 and an electrical contact surface electrically connected to the storage medium, the electrical contact surface also being provided on the first cover 111, in particular on an end of the first cover 111 closer to the sixth end 16 of the cartridge 1 in the third direction. Alternatively, the storage medium may be provided at any position on a developing device or on the drum assembly.

In operation of the developing device described in this embodiment, the power supply end of the electrophotographic apparatus contacts the conductive end 123 of the conductive member, so that the developing roller 131 and the powder feeding roller are energized to generate a bias voltage. The power receiving part 60 receives the power output by the electronic imaging device and drives the transmission gear set to operate, and the transmission gear set drives the powder feeding roller gear, the developing roller 131 gear and the stirring gear 64 to operate, so that the developing roller 131, the powder feeding roller and the stirring element 640 start to rotate. The stirring member 640 rotates the first rotating member 3 in the fourth direction. The first rotating member 3 drives the driving rotating member 4 to rotate in the fifth direction.

As shown in fig. 4, in the initial state, the second transmission groove 321 on the second transmission wheel 32 is in an engaged state with the first transmission protrusion 41 on the driving rotary member 4, as shown in fig. 2, the driven portion 21 is in an abutting state with the first transmission protrusion 43a, the first elastic member 23 is in a compressed state, at this time, the contact portion 22 on the detected member 2 is in a state of extending out of the guide portion 122, and accordingly, the detecting device 100 in the electronic imaging device is also in a state of being pressed by the contact portion 22.

In the process that the driving rotary member 4 is driven to rotate by the second driving wheel 32, the first driving protrusion 43a is separated from the driven portion 21 along with the rotation of the driving rotary member 4, and at this time, the elastic potential energy accumulated by the first elastic member 23 is released, so that the detected member 2 and the contact portion 22 of the detected member 2 slide along the second direction towards the direction approaching the fourth end 14 of the box body 1, and further, the contact portion 22 does not press the detecting device 100 in the electronic imaging device any more.

As the driving rotation member 4 continues to rotate in the fifth direction, the second transmission protrusion 43b is brought into abutment with the driven portion 21, so that the detected member 2 slides in the second direction toward the direction approaching the third end 13 of the case 1, the first elastic member 23 is compressed, and the contact portion 22 presses and the detecting device 100 in the electronic imaging device.

Then, the second transmission protrusion 43b is separated from the driven portion 21, the first elastic member 23 releases elastic potential energy, and the detected member 2 moves along the second direction towards the direction close to the fourth end 14 of the box body 1, so that the contact portion 22 no longer presses the detecting device 100 in the electronic imaging device.

Next, the third transmission protrusion 43c is brought into abutment with the driven portion 21, so that the detected piece 2 slides in the second direction toward the direction approaching the third end 13 of the case 1, the first elastic piece 23 is compressed, and the contact portion 22 presses the detecting device 100 in the electronic imaging device.

Then, the third transmission protrusion 43c is separated from the driven portion 21, the first elastic member 23 releases elastic potential energy, and the detected member 2 moves along the second direction towards the direction close to the fourth end 14 of the box body 1, so that the contact portion 22 no longer presses the detecting device 100 in the electronic imaging device.

Then, along with the rotation of the driving rotary member 4, the disengaging notch 40 rotates to a position close to the second driving wheel 32, so that the second driving wheel 32 can not drive the driving rotary member 4 any more, meanwhile, the second driving protrusion 42 and the first driving groove 310 on the first driving wheel 31 enter a matching state, so that the driving rotary member 4 in a moving state is buffered, and since the diameter of the first driving wheel 31 is larger than that of the second driving wheel 32, the linear speed of the first driving wheel 31 is larger than that of the second driving wheel 32, so that the first driving wheel 31 drives the driving rotary member 4 to rotate at a faster linear speed, so that the detected member 2 slides along the second direction towards the fourth end 14 of the box body 1 at a faster speed, and the contact part 22 presses the detecting device 100 in the electronic imaging device at a faster speed. At the same time, the mounting and positioning portion 44b rotates together with the driving rotary member 4, so that the second elastic member 44c is deformed by pressing to accumulate elastic potential energy.

Then, the second transmission protrusion 42 is disengaged from the first transmission wheel 31, and at the same time, along with the rotation of the mounting and positioning portion 44b, the elastic potential energy accumulated by the second elastic member 44c pushes the driving rotary member 4, so that the driving rotary member 4 further accelerates and rotates, and the contact portion 22 presses the detection device 100 in the electronic imaging device at a faster speed.

Then, the first transmission protrusion 43a and the driven portion 21 enter an abutting state, so that the detected piece 2 is kept still, and the contact portion 22 continues to press the detecting device 100 in the electronic imaging device. Meanwhile, since the first transmission protrusion 41 is not disposed at the position of the detachment notch 40, the power of the first rotating member 3 cannot be transmitted to the driving rotating member 4 any more, so that the driving rotating member 4 stops rotating, and at the same time, the bent portion of the second elastic member 44c is clamped into the mounting positioning portion 44b, and the first positioning transmission protrusion 45 of the driving rotating member 4 abuts against the second positioning transmission protrusion of the second protecting cover 121, so that the driving rotating member 4 is positioned and cannot rotate any more, and the state is the final state.

Since the arc length of the first transmission protrusion 43a is larger than that of the second transmission protrusion 43b and the third transmission protrusion 43c. Therefore, when the driven portion 21 abuts against the first transmission protrusion 43a, the pressing time of the contact portion 22 against the detecting device 100 in the electronic imaging device is longer.

Through the above process, the detection device 100 in the electronic imaging device detects signals of different extrusion times, signals of different extrusion speeds, and signals of the number of extrusion times. The preset information (such as new and old information) of the developing device is identified through the combination of the signals.

Example two

The second embodiment is the same as the first embodiment in that: as shown in fig. 5 to 8, a developing device includes a cartridge 1, a conductive terminal 123, a detected member 2, a developing member 600, a powder feeding member (not shown), a stirring member 640 (see fig. 8), a first protective cover 111, a second protective cover 121, and a power receiving portion 60. The cartridge 1 is for accommodating developer, and has a first end 11 and a second end 12 disposed opposite in a first direction. The stirring member 640 is located in the cartridge 1 for stirring the developer contained in the cartridge 1; the powder feeding member is for feeding the developer in the cartridge 1 to the developing member 600; the developing member 600 rotates about an axis extending in the first direction, and the outer surface of the developing member 600 may carry toner, and the developing member 600 is partially exposed to the outside of the cartridge 1, thereby carrying the developer of the cartridge 1 to the outside of the cartridge 1. The developing device 600 is located at one end of the casing 1 in the second direction, the first direction is perpendicular to the second direction, and the third direction is perpendicular to the first direction and the second direction, that is, the first direction is the length direction of the casing 1, the second direction is the width direction of the casing 1, and the third direction is the height direction of the casing 1.

The power receiving portion 60 is located at the first end 11 for receiving the driving force of the electrophotographic image forming apparatus and transmitting to other components of a developing apparatus. Conductive terminal 123 is located at second end 12 for electrically connecting the voltage in the electronic imaging device to the development element 600 and the powder feeding element. The inspected member 2 is positioned at the second end 12 for communicating with the inspection device 100 (see inspection bar movement in fig. 8 to complete inspection of the inspection bar movement) in the electronic imaging device, thereby transmitting information of a developing device to the electronic imaging device.

As shown in fig. 6, the first end 11 is provided with a developing gear 61, a powder feeding gear 62, an intermediate gear 63, and a stirring gear 64, the developing gear 61 is mounted at the shaft end of the developing element 600, the powder feeding gear 62 is mounted at the shaft end of the powder feeding element, and the stirring gear 64 is mounted at the shaft end of the first end 11 with the stirring element 640.

The power receiving portion 60 is engaged with the developing gear 61, the powder feeding gear 62, and the intermediate gear 63, respectively, and the intermediate gear 63 is engaged with the stirring gear 64, so that the power receiving portion 60 transmits the received driving force to the developing element 600, the powder feeding element, and the stirring element 640. The first cover 111 is located at the first end 11 to cover at least a part of the developing gear 61, the power receiving portion 60, the powder feeding gear 62, the intermediate gear 63, and the stirring gear 64, thereby protecting the covered gear portion. The transmission mechanism 50 is used for transmitting the driving force from the first end 11 to the detected member 2, the structure of the transmission mechanism 50 at the first end 11 is composed of a first intermediate gear 631 and a stirring gear 64, and the transmission structure of the second end 12 is composed of a second transmission wheel 32 (see fig. 8).

The first cover 111 is provided with the chip 66, and the chip 66 is electrically connected to the electronic imaging device, so that information stored in the chip 66 is transferred to the electronic imaging device; the chip 66 may store information such as a developing device model number, area information, whether it is original or not, and the like, and is not limited thereto. The chip 66 can be arranged at any position which can accommodate the chip 66, such as the first end 11, the second end 12, the bottom wall of the box body 1, the top cover of the box body 1, the rear end of the box body 1 and the like, according to the requirement; the chip 66 may be electrically connected by direct contact with the electronic imaging device or may be electrically connected by simple contact with the electronic imaging device through conductive members such as terminals.

As shown in fig. 8, the stirring member 640 is provided at the other axial end of the second end 12 with a second transmission wheel 32, and the second transmission wheel 32 is configured to receive the driving force from the stirring member 640 and transmit the received driving force to the object 2 to be inspected. The second protective cover 121 is located at the second end 12 and covers at least the second transmission wheel 32 and the detected member 2, thereby protecting the second transmission wheel 32 and the detected member 2.

The transmission mechanism 50 comprises a first rotating member 3 and a driving rotating member 4, and specifically, the first rotating member 3 is coaxially connected with the transmission assembly 6; the driving rotary member 4 is in transmission connection with the first rotary member 3, the driving rotary member 4 is in transmission connection with the detected member 2, and the driving rotary member 4 can convert the rotating force of the transmission assembly 6 into a linear driving force for driving the detected member 2 to approach the detection device 100; the driving rotator 4 receives the driving force of the second driving wheel 32 to rotate, and is provided with at least one driving protrusion, which in the present embodiment is configured as a first driving protrusion 43a, a second driving protrusion 43b, and a third driving protrusion 43c. The number of the driving protrusions is determined by detection information set in the electronic imaging device, and may be 1 or 2 or more; when the driving protrusion is plural, the arc length of the driving protrusion in the rotation direction of the driving rotator 4 may be different, and the interval between the driving protrusion and the rotation center of the driving rotator 4 may be different or the same, which is not limited in this embodiment.

As shown in fig. 9 and 10, the second cover 121 includes a first positioning portion 122a, a guide portion 122, and an opening, and the second elastic member 44c has one end abutting the first positioning portion 122a and the other end abutting the second positioning portion 122b, as in the first embodiment.

The detection target 2 includes a contact portion 22, a driven portion 21, and a second positioning portion 122b, and the contact portion 22 is used for detection by the detection device 100, and the driven portion 21 is touched by the driving protrusion of the driving rotary member 4 to receive the driving force, so that the detection target 2 moves along the guide portion 122.

As shown in fig. 11, the driving rotator 4 further includes a first transmission protrusion 41 and a disengagement notch 40, wherein the first transmission protrusion 41 is a plurality of columnar protrusions, and the columnar protrusions are disposed around a portion of the driving rotator 4, that is, a central angle of an arc formed by the first transmission protrusion 41 is smaller than 360 °; the disengaging notch 40 is disconnected from the second driving wheel 32 so that the driving force is no longer received from the driving wheel, and the disengaging notch 40 forms a full circle with the first driving protrusion 41.

The second embodiment differs from the first embodiment in that: the first drive recess 310 on the second drive wheel 32 is arranged.

In the second embodiment, the second driving wheel 32 is provided with a plurality of driving parts 320 uniformly distributed around the central axis direction of the second driving wheel, the driving parts 320 are in pin-shaped structures, and a first driving groove 310 which is the same as that of the first embodiment is formed between two adjacent driving protrusions;

The second driving wheel 32 is mounted to the other shaft end of the stirring member 640, the first driving protrusion 41 is engaged with the driving part 320 of the driving wheel to receive the driving force, the driving part 320 is a plurality of columnar protrusions, and the columnar protrusions are disposed around the second driving wheel 32; since the first transmission protrusion 41 is not a complete circle, when the escape notch 40 of the driving rotator 4, in which the columnar protrusion is not provided, is opposite to the transmission part 320, the first transmission protrusion 41 gradually stops rotating without receiving the driving force.

It can be seen that the driving rotator 4 and the second driving wheel 32 are pin wheels formed by a plurality of pins, and the second driving wheel 32 and the driving rotator 4 are driven by the engagement of the second driving protrusion 42 with the first driving groove 310, so that the driving force is transmitted from the second driving wheel 32 to the driving rotator 4; the distance between two adjacent driving parts 320 on the second driving wheel 32 (i.e., the size of the second driving groove 321) is substantially equal to the diameter of the first driving protrusion 41 on the driving rotator 4.

Preferably, the transmission part 320 may be configured as a rubber layer, that is, the second transmission wheel 32 in this embodiment may be sleeved with a rubber layer on the circumferential surface of the second transmission wheel 32, and the transmission is performed by friction between the rubber layer and a pin on the driving rotary member 4.

As shown in fig. 12, the second transmission wheel 32 is engaged with the driving rotary member 4 so as to transmit the driving force to the detected member 2, and when the detected member 2 is located at the initial position, the second elastic member 44c can abut against the driving rotary member 4, and at this time, the second elastic member 44c applies a force capable of rotating the driving rotary member 4 forward (the driving rotary member 4 receives the driving force to rotate), thereby ensuring that the first transmission protrusion 41 is engaged with the second transmission groove 321 formed by the transmission portion 320.

When the first transmission protrusion 41 is about to disengage from the second transmission groove 321, the second elastic member 44c may abut against another portion of the driving rotary member 4, where the second elastic member 44c applies a force capable of making the driving rotary member 4 rotate forward (the driving rotary member 4 receives the driving force to rotate), and at this time, the transmission portion 320 no longer blocks the first transmission protrusion 41 due to engagement with the first transmission protrusion 41, so that the elastic force of the second elastic member 44c can make the driving rotary member 4 accelerate to rotate to complete acceleration of the inspected member 2 at the instant that the first transmission protrusion 41 is about to disengage from the second transmission groove 321, so as to meet the requirement of the inspection device 100 in the electronic imaging device for inspecting acceleration of the inspected member 2.

The detection object 2 is positioned at the initial position, and the first transmission protrusion 43a contacts the driven portion 21, so that the contact portion 22 is positioned at a position detectable by the detection device 100.

When the detected member 2 is positioned at the initial position, the first transmission protrusion 41 is engaged with the second transmission groove 321 formed by the two adjacent transmission parts 320, when the second transmission wheel 32 rotates under the action of the driving force, the driving rotary member 4 is driven to rotate by receiving the driving force of the second transmission wheel 32, the first transmission protrusion 43a rotates along with the rotation of the driving rotary member 4, and the first transmission protrusion 43a pushes the driven part 21 of the detected member 2, so that the contact part 22 of the detected member 2 is separated from the detecting device 100; as the driving rotator 4 continues to rotate, the second transmission protrusion 43b and the third transmission protrusion 43c sequentially come into contact with and separate from the driven portion 21, so that the contact portion 22 of the detected member 2 moves to a position detectable by the detecting means 100 a plurality of times; the rotary member 4 is then driven to rotate further until the disengagement notch 40 is opposed to the second transmission wheel 32 to stop the rotation, in which process the first transmission projection 43a again contacts the driven portion 21, causing the contact portion 22 to move again to the detected position. The first transmission protrusion 43a may be split into two driving protrusions as needed in the present embodiment.

The driving rotator 4 has three driving protrusions, and the process of moving the detected member 2 from the initial position to the intermediate position is a process of moving the first driving protrusion 43a and the driven portion 21 from contact to non-contact, and then a process of moving the second driving protrusion 43b and the third driving protrusion 43c and the driven portion 21 from non-contact to non-contact, and in the subsequent process, the first driving protrusion 41 receives a driving force from the second driving groove 321 between the adjacent two driving portions 320 to rotate.

The detected member 2 is positioned at the final position, and the first transmission protrusion 43a is again in contact with the driven portion 21, so that the contact portion 22 is moved to the position detected by the detecting device 100 by the first elastic member 23.

When the first transmission protrusion 43a comes into contact with the driven portion 21 or comes into contact for a certain period of time, which is determined according to the setting of the electronic imaging device, the second transmission groove 321 in the transmission portion 320 is about to disengage from the first transmission protrusion 41, that is, the last columnar protrusion of the first transmission protrusion 41 is about to disengage from the transmission portion 320, the second elastic member 44c applies a force to the driving rotary member 4 to continue rotating the driving rotary member 4, and the elastic force of the second elastic member 44c and the driving force of the transmission portion 320 act together on the driving rotary member 4 and the rotation direction is consistent, so that the driving rotary member 4 accelerates at this instant until reaching the final position.

When the detected member 2 needs to be reset, the reset can be completed only by rotating the driving rotary member 4 to the position engaged with the transmission part 320 when the detected member 2 is positioned at the initial position, and no other operation is required.

Example III

The structure of a developing device in this embodiment is the same as that in the second embodiment except for the special description; the main distinguishing features in this embodiment are: driven wheel 67 at first end 11 in drive assembly 6.

As shown in fig. 13, a first end 11 of a developing device provided in the third embodiment is provided with a first protecting cover 111 and a power receiving portion 60. The transmission assembly 6 receives the driving force from the power receiving portion 60, and then transmits the driving force to the inspected member 2; the portion of the transmission assembly 6 at the first end 11 comprises a second intermediate gear 632, a first intermediate gear 631 and a driven wheel 67, the driven wheel 67 being located at the axial end of the stirring element 640, the driven wheel 67 rotating coaxially with the stirring element 640, the second intermediate gear 632 transmitting the driving force to the first intermediate gear 631.

As shown in fig. 14, the first middle gear 631 has a second coupling hole 674, the driven pulley 67 includes a driven body 671, a coupling member 672, the driven body 671 has a first coupling hole 673 thereon, and the coupling member 672 includes a first coupling portion 672a, a coupling body 672b, and a second coupling portion 672c. The first connection portion 672a and the second connection portion 672c are located at both sides of the connection body 672b, respectively.

The first connection portion 672a is inserted into the first connection hole 673 and the second connection portion 672c is inserted into the second connection hole 674 of the first middle gear 631, so that driving force can be transmitted from the first middle gear 631 to the driven.

As shown in fig. 15, the power receiving portion 60 is meshed with the second intermediate gear 632, the second intermediate gear 632 is meshed with the first intermediate gear 631, and the first intermediate gear 631 is engaged with the driven wheel 67 through the connecting member 672. As can be seen from the side view in the first direction (see fig. 5), the rotation axes of the first intermediate gear 631 and the driven gear 67 are different, i.e. in a vertical direction perpendicular to the first direction, the rotation axis of the driven gear 67 is further from the rotation axis of the second intermediate gear 632 than the rotation axis of the first intermediate gear 631, i.e. in said vertical direction the driven gear 67 is further from the second intermediate gear 632 than the first intermediate gear 631.

When the driven wheel 67 is a gear and directly meshes with the second intermediate gear 632, since the position of the driven wheel 67 is defined by the position of the stirring element 640, the diameter of the driven wheel 67 needs to be increased, and thus the space required by the transmission assembly 6 is increased; however, now only one first intermediate gear 631 is added between the driven wheel 67 and the second intermediate gear 632, there is no need to increase the diameter of the driven wheel 67, and the driven wheel 67 mostly overlaps with the first intermediate gear 631 in the first direction, so that the first intermediate gear 631 does not additionally increase the space for arranging the first intermediate gear 631 in the vertical direction, which is advantageous for miniaturization of the transmission assembly 6.

As shown in fig. 16, another driven wheel 67 is provided in this embodiment, the driven wheel 67 includes two connecting members 672, the connecting members 672 of the second embodiment are substantially identical in structure to the connecting members 672 of the second embodiment, and differ only in terms of fit in details such as dimensions, and the two connecting members 672 are disposed substantially opposite to each other with respect to the rotation axis of the first intermediate gear 631. In addition, three connectors 672 may be provided in this embodiment.

In this embodiment, the driven wheel 67 of the transmission assembly 6 may also be disposed at the second end 12 of the box 1, and the adaptation is modified according to the connection relationship between the detected member 2 at the second end 12 and the second transmission wheel 32, for example, the first middle gear 631 is changed into a pin wheel driven by pin-column connection.

Example IV

As shown in fig. 17, 18, and 19, a developing device includes a cartridge 1, a conductive terminal 123, a detected member 2, a developing member 600, a powder feeding member (not shown), a stirring member 640 (not shown), a first protective cover 111, a second protective cover 121, and a power receiving portion 60.

The cartridge 1 is for accommodating a developer, and has a first end 11 and a second end 12 disposed opposite to each other in a first direction, and has a third end 13 and a fourth end 14 opposite to each other in a second direction; an opening is provided at the third end 13 so that the developer can pass through the opening from the inside of the cartridge 1 to the outside of the cartridge 1; at the fourth end 14 there is a handle 141. The stirring member 640 is located in the cartridge 1 for stirring the developer contained in the cartridge 1; the powder feeding member is for feeding the developer in the cartridge 1 to the developing member 600; the developing member 600 rotates about an axis extending in the first direction, and the outer surface of the developing member 600 may carry toner, and the developing member 600 is partially exposed to the outside of the cartridge 1, thereby carrying the developer of the cartridge 1 to the outside of the cartridge 1.

The power receiving portion 60 is located at the first end 11 for receiving the driving force of the electrophotographic image forming apparatus and transmitting to other components of the developing apparatus. Conductive terminal 123 is located at second end 12 for electrically connecting the voltage in the electronic imaging device to the development element 600 and the powder feeding element. The detected member 2 is located at the second end 12, and is configured to move with a detecting rod in the detecting device 100 in the electronic imaging device to complete detection of the movement of the detecting rod, so as to transmit information of the developing device to the electronic imaging device.

As shown in fig. 18, the first end 11 is further provided with a developing gear 61, a powder feeding gear 62, an intermediate gear 63 and a stirring gear 64, the developing gear 61 is mounted at the shaft end of the developing element 600, the powder feeding gear 62 is mounted at the shaft end of the powder feeding element, and the stirring gear 64 is mounted at the shaft end of the stirring element 640 at the first end 11.

The power receiving portion 60 is engaged with the developing gear 61, the powder feeding gear 62 and the intermediate gear 63, respectively, and the intermediate gear 63 is engaged with the stirring gear 64, so that the power receiving portion 60 transmits the received driving force to the developing element 600, the powder feeding element and the stirring element 640. The first cover 111 is located at the first end 11 to at least partially cover the developing gear 61, the power receiving portion 60, the powder feeding gear 62, the intermediate gear 63, and the stirring gear 64, thereby protecting the covered gear portion.

Preferably, the embodiment further comprises a transmission mechanism 50, which is located at the second end 12 and is coaxially connected with the transmission assembly 6, and can convert the rotation power of the transmission assembly 6 into a driving force for driving the detected piece 2 to move towards the detection device 100;

specifically, the transmission mechanism 50 includes:

the first rotating piece 3 is coaxially connected with the transmission assembly 6;

the driving rotator 4 is in transmission connection with the first rotator 3 and in transmission connection with the detected member 2, and can convert the rotational force of the transmission assembly 6 into rotational driving force for driving the detected member 2 to approach the detecting device 100.

As shown in fig. 19, in the present embodiment, the transmission assembly 6 is specifically a stirring element 640, the first rotating member 3 is coaxially mounted on the other shaft end of the stirring element 640 at the second end 12, the driving rotating member 4 is rotatably disposed on the second end 12, and the first rotating member 3 is configured to receive the rotational driving force from the stirring element 640 and transmit the received rotational driving force to the detected member 2. The second protecting cover 121 is located at the second end 12, the second protecting cover 121 has a first opening 122d, a second opening 122e, and a third opening 122f (shown in fig. 20), and the second protecting cover 121 at least partially covers the transmission mechanism 50 and the inspected member 2, thereby protecting the transmission mechanism 50 and the inspected member 2.

As shown in fig. 20 and 21, the transmission mechanism 50 includes an adapter 5, and the adapter 5 is disposed at the second end 12 of a developing device; the adapter 5 has two states of motion;

in the first motion state, the adapter piece 5 is driven by the first rotating piece 3 to move in the direction approaching to the central axis of the detected piece 2 until being in transmission connection with the detected piece 2;

in the second movement state, the adapter 5 is driven by the first rotating member 3 to move in a direction away from the central axis of the detected member 2 until the adapter is disconnected from the detected member 2.

In addition, the second protecting cover 121 further has a mounting groove 122c, the third opening 122f partially exposes the adapter 5, one end of the adapter 5 in the first direction has a mounting portion 51 (shown in fig. 25) mounted in the mounting groove 122c, and the mounting groove 122c allows the adapter 5 to move toward or away from the central axis direction of the inspected member 2.

As shown in fig. 22, the inspected member 2 includes an inspected portion 24, an inspected gear portion 25, a tooth missing portion 26, and a second engagement portion 27, the inspected gear portion 25 being rotatably provided at the second end 12, the second engagement portion 27 being formed on an upstream side of the tooth missing portion 26 in the rotation direction of the inspected member 2 and being located on an end face farther from the second end 12 than the tooth missing portion 26. The first rotating member 3 integrally has a large diameter gear portion 33, a small diameter gear portion 34, and a first engagement portion 35. The small-diameter gear portion 34 is formed on the opposite side of the large-diameter gear portion 33 from the second end 12, and the circumferential surfaces of the small-diameter gear portion 34 are each formed with gear teeth. The first engagement portion 35 is provided on an end surface of the small diameter gear that is away from the second end 12 in the first direction. As shown in fig. 22 and 25, the adaptor 5 includes a mounting portion 51, a first abutting portion 52, a second abutting portion 53, and a relief portion 54, wherein the first abutting portion 52 is located at a position overlapping with a movement track of the first joint portion 35, and the first abutting portion 52 is configured to contact the first joint portion 35; the second abutting portion 53 is located at a position overlapping with the moving track of the second joint portion 27, and the second abutting portion 53 is configured to contact with the second joint portion 27.

As shown in fig. 23 and 24, the second protective cover 121 further has a relief hole 124, the relief hole 124 being located at an end of the mounting portion 51 remote from the member 2 to be detected in the third direction, the relief hole 124 being for accommodating the relief portion 54. In the present embodiment, the relief portion 54 is provided in a cylindrical shape, and the relief hole 124 is provided in a circular relief hole 124. Alternatively, the relief portion 54 may be configured in other columnar structures, and the relief hole 124 may be configured in other shapes matching the columnar structures, which is not particularly limited.

As shown in fig. 26 and 27, when the developing device is mounted in the electronic imaging device, but the electronic imaging device is not yet started, the transmission mechanism 50, the adapter 5 and the detected member 2 are positioned at the initial position, at this time, the first joint portion 35 and the first abutting portion 52 are separated, and the second joint portion 53 and the second joint portion 27 are also separated. Alternatively, the first engagement portion 35 and the first abutment portion 52 and the second engagement portion 53 and the second engagement portion 27 may be in contact, but the contact is in an uncompressed state, i.e. no force is applied between each other.

At this time, the small diameter gear portion 34 of the transmission mechanism 50 is positioned at a position opposite to the tooth missing portion 26 of the workpiece 2, and there is no meshing relationship between the workpiece 2 and the transmission mechanism 50.

As shown in fig. 28 and 29, when the image forming apparatus is in the start-up state, the power receiving portion 60 receives the driving force from the image forming apparatus to rotate, the developing gear 61, the powder feeding gear 62, and the intermediate gear 63 rotate with the rotation of the power receiving portion 60, and the stirring gear 64 rotates with the rotation of the intermediate gear 63, whereby the stirring member 640 starts to rotate, and the stirring member 640 drives the first rotating member 3 to start to rotate.

During the rotation of the first rotating member 3, the first engaging portion 35 rotates to a position abutting against the first abutting portion 52, and the first engaging portion 35 applies a force to the first abutting portion 52 of the adapter 5, so that the adapter 5 moves linearly toward or away from the central axis direction of the detected member 2 along the extending direction of the mounting groove 122c, and at this time, the detected member 2 is in a state where no mounting is required. When the adapter 5 approaches the center axis direction of the workpiece 2, the second abutting portion 53 contacts with the second joint portion 27, and the second abutting portion 53 starts to exert a force on the second joint portion 27, so that the workpiece 2 rotates by a certain angle under the force. At this time, the detected gear portion 25 at the upstream position in the rotation direction of the detected member 2 and the small diameter gear portion 34 of the transmission mechanism 50 come into abutment and thus come into meshing relationship. Thereafter, the detected gear portion 25 moves with the rotation of the first rotary member 3, whereby the detected member 2 starts to rotate.

The detected part 24 triggers a detecting part in the electronic imaging device due to the rotation of the detected member 2, so that the detecting part is in a detecting state, and the electronic imaging device can detect information such as the new and old of a developing device or the developer capacity. The number of the detected parts 24 is set according to the type of the developing device and the specification thereof, that is, the number of the detected parts 24 may be one or more, and is not particularly limited.

During the further rotation of the first rotating member 3, the first engaging portion 35 gradually comes out of contact with the first abutting portion 52, and at this time, the adapter 5 moves in a direction away from the detected member 2 until the escape portion 54 is located at a position inside the escape hole 124, and in this position state, the adapter 5 is configured to escape the rotating first rotating member 3, and at this time, the position of the adapter 5 and the rotation locus of the first engaging portion 35 no longer overlap.

In the present embodiment, the first engaging portion 35 and the second engaging portion 27 are both disposed at positions away from the second end 12; alternatively, the first engagement portion 35 and the second engagement portion 27 may be disposed adjacent to the second end 12, respectively, and the adapter 5 may be disposed to move along a track disposed on the second end 12.

In this embodiment, the first joint portion 35 and the second joint portion 27 are respectively disposed on the end surfaces of the first rotating member 3 and the detected member 2 away from the second end 12, and compared with the arrangement of the first joint portion 35 and the second joint portion 27 on the circumferential surfaces of the first rotating member 3 and the detected member 2 respectively, the space at the end surfaces away from the second end 12 is larger, the positional relationship and the shape structure of the first joint portion 35 and the second joint portion 27 can be more easily adjusted, and the transmission relationship between the first joint portion 35 and the second joint portion 27 can be ensured to be more stable and reliable.

Secondly, the first joint part 35 and the second joint part 27 are driven by the adapter 5, so that a larger arrangement space can be provided for the first joint part 35 and the second joint part 27 of the developing device, and in addition, the structure of the adapter 5 is additionally arranged, so that the extending distance of the first joint part 35 and the second joint part 27 in the radial direction can be reduced, and the influence on the normal driving relation of the developing device due to the interference effect generated before the first joint part 35 and the second joint part 27 is avoided.

Example five

The structure of a developing device in this embodiment is the same as that in the fourth embodiment except for the special explanation; the main distinguishing features in this embodiment are: the transmission relation between the transmission mechanism 50 and the detected member 2 is changed, specifically:

An intermediate transfer gear (not shown) is further provided at the second end 12, and the intermediate transfer gear is engaged with the workpiece 2 and the transmission mechanism 50. When the electronic imaging device is started, the power receiving portion 60 receives the driving force, and the stirring gear 64 and the stirring member 640 start to rotate. Since the power receiving portion 60 receives the driving force to rotate in the first rotation direction, it is known from the transmission relation that the stirring gear 64 rotates in the first rotation direction as the stirring element 640, and the transmission mechanism 50 rotates in the first rotation direction together with the stirring element 640. Thus, the intermediate transfer gear rotates in the second rotation direction with the rotation of the transmission mechanism 50, and the inspected piece 2 rotates in the first rotation direction with the rotation of the intermediate transfer gear. At this time, the transmission mechanism 50 coincides with the rotation direction of the object 2.

Example six

The structure of a developing device in this embodiment is the same as that in the fourth embodiment except for the special explanation; the main distinguishing feature of the present embodiment is that when the plurality of detected parts 24 of the detected member 2 are in contact with the detecting means of the electronic imaging device, the rotation axis position of the detected member 2 is changed, specifically:

when the developing device is mounted on the electronic imaging device, the developing device receives the driving force from the electronic imaging device to start to operate, at this time, the detected piece 2 starts to rotate by receiving the driving force by virtue of each power transmission component, and during the rotation, one detected part 24 of the detected piece 2 triggers the detecting device of the electronic imaging device; the detection object 2 further rotates, and at this time, the detection object 2 also moves in the other direction intersecting the axial direction due to the action of the transmission frame force, and therefore, when the detection object 2 rotates to a position where the other detection portion 24 triggers the detection device of the electronic imaging device, the rotation axis position of the detection object 2 also changes. Therefore, the rotation axis of the inspected piece 2 when one inspected portion 24 is in contact with the electronic imaging device is different from the rotation axis of the inspected piece 2 when the other inspected portion 24 is in contact with the electronic imaging device.

Example seven

The structure of a developing device in this embodiment is the same as that in the fourth embodiment except for the special explanation; the main distinguishing features in this embodiment are: the small diameter gear portion 34 of the transmission mechanism 50 has a second missing tooth portion 26 at a position corresponding to the position of the first engagement portion 35, specifically:

as shown in fig. 30, the transmission mechanism 50 has a large diameter gear portion 33 and a small diameter gear portion 34, and has a first engagement portion 35 on an end surface farther from the second end 12 than the small diameter gear portion 34, and has a second tooth missing portion 26 at a position where the small diameter gear portion 34 is radially aligned and the first engagement portion 35 is axially aligned. Specifically, the position of the first engagement portion 35 at the edge in the radial direction is flush with the edge position of the small diameter gear portion 34, or the edge position is farther from the axial position of the transmission mechanism 50 than the small diameter gear portion 34.

In this embodiment, alternatively, the adapter 5 may be omitted so that the first engagement portion 35 of the transmission mechanism 50 is in direct contact with the second engagement portion 27 of the member under test 2, so that the member under test 2 is converted into an engaged relationship with the transmission mechanism 50.

In summary, the above description is only a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model, and the related workers can make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but includes all equivalent changes and modifications in shape, construction, characteristics and spirit according to the scope of the claims.

Claims (15)

1. A developing device, characterized by comprising:

a cartridge for accommodating a developer;

a developing member that rotates about an axis extending in a first direction;

a power receiving part, which is positioned at one end of the box body, is used for receiving the driving force of the electronic imaging device and transmitting the driving force to other parts of a developing device;

the transmission assembly is positioned at one end of the box body and is in transmission connection with the power receiving part;

the detected piece is movably arranged at one end of the box body and can move to a detection device which is abutted against the electronic imaging device;

the transmission mechanism is positioned at one end of the box body and is in transmission connection with the transmission assembly, and can convert the rotation power of the transmission assembly into the driving force for driving the detected piece to move towards the detection device.

2. A developing device according to claim 1, wherein,

the transmission mechanism comprises:

the first rotating piece is in transmission connection with the transmission assembly;

the driving rotating piece is connected with the first rotating piece and is in transmission connection with the detected piece; the driving rotating member can convert the rotating force of the transmission assembly into driving force for driving the detected member to approach the detection device.

3. A developing apparatus according to claim 2, wherein said member to be detected is slidably provided at an end of said cartridge body, said member to be detected being capable of sliding to abut against a detecting device of the electronic imaging device.

4. A developing device according to claim 3, wherein,

the driving rotary piece is provided with a first transmission bulge;

the first rotating member includes:

the second driving wheel is coaxially connected to the driving assembly and is provided with a second driving groove; when the second transmission groove is engaged with the first transmission protrusion, the first rotating member drives the driving rotating member to rotate.

5. A developing device according to claim 4, wherein,

the driving rotary piece is provided with a second transmission bulge;

the first rotating member includes:

the first driving wheel is coaxially connected with the driving assembly and is provided with a first driving groove;

the second driving wheel is coaxially arranged on the first driving wheel;

when the second transmission groove is disengaged from the first transmission protrusion, the first transmission groove is engaged with the second transmission protrusion, and the first rotating member can be buffered along the self-rotation direction of the driving rotating member.

6. A developing device according to claim 4, wherein the number of said first transmission projections is plural, and wherein a disengaging notch portion capable of disengaging said second transmission groove from said first transmission projection is left between two of said first transmission projections.

7. A developing device according to claim 3, wherein said cartridge has a first end and a second end disposed opposite to each other in a first direction; the first end is provided with a first protecting cover, and the second end is provided with a second protecting cover.

8. A developing device according to claim 7, wherein said driving rotary member is provided with an installation positioning portion, and said second cover is provided with a second elastic member for providing acceleration to said driving rotary member, said second elastic member being in fit abutment with said installation positioning portion.

9. A developing device according to claim 7, wherein said second cover is provided with a guide portion, and said detected member is slidably connected to said guide portion; the guide part is internally provided with a first elastic piece which is abutted to the detected piece, and the first elastic piece can provide elastic acting force for the detected piece, which is far away from the detection device.

10. A developing device according to claim 4, wherein said second transmission wheel has a plurality of transmission portions, and said second transmission groove is formed between adjacent two of said transmission portions.

11. A developing device according to claim 4, wherein said transmission assembly comprises:

the stirring element is rotationally arranged on the box body;

the driven wheel is coaxially connected with the stirring element;

the first middle gear is rotatably arranged on the box body and is in transmission connection with the driven wheel;

the second middle gear is rotatably arranged on the box body and is respectively connected with the power receiving part and the first middle gear in a transmission way.

12. A developing apparatus according to claim 2, wherein said member to be detected is rotatably provided at an end of said cartridge body, said member to be detected being rotatable to abut against a detecting device of the electronic imaging device;

the transmission mechanism comprises:

the first rotating piece is in transmission connection with the transmission component and drives the detected piece to rotate to be abutted to the detection device of the electronic imaging device.

13. A developing apparatus according to claim 12, wherein said transmission mechanism includes:

The adapter piece is movably arranged at one end of the box body and is respectively in transmission connection with the first rotating piece and the detected piece, and the adapter piece has two motion states;

in a first motion state, the adapter moves in a direction approaching to the detected piece under the drive of the first rotating piece until being in transmission connection with the detected piece;

in the second movement state, the adapter piece is driven by the first rotating piece to move in a direction away from the detected piece until the adapter piece is disconnected from the detected piece.

14. A developing apparatus according to claim 13, wherein,

the first rotating piece is provided with a first joint part;

the adapter includes:

the mounting part is movably arranged at one end of the box body;

a first contact portion provided at one end of the mounting portion and capable of being brought into contact with the first joint portion;

a second abutting portion provided at the other end of the mounting portion and capable of abutting against the first engaging portion;

the detected piece comprises:

the detected gear part is rotatably arranged at one end of the box body;

a detected part arranged on the end part of the detected gear part;

The second joint part is arranged on the detected gear part and is in transmission connection with the second abutting part.

15. A developing device according to claim 14, wherein an end of said cartridge is provided with a second protecting cover; the adapter comprises an avoidance part arranged on the mounting part, and the

The second protecting cover is provided with an avoidance hole for accommodating the avoidance part; the second protecting cover is provided with a mounting groove,

the mounting part slides in the mounting groove.