阅读说明：本技术 碳粉盒及打印机 (Carbon powder box and printer ) 是由 苏健强 杨晓锋 何永刚 于 2020-07-17 设计创作，主要内容包括：本发明提供一种碳粉盒及打印机,碳粉盒包括盒体和搅拌架,盒体内部设置有粉仓,盒体的第一端壁上设置有动力接收头,搅拌架可转动地安装在粉仓内,其中,动力接收头上设置有第一传动轮,第一传动轮的转动轴线平行于搅拌架的转动轴线,搅拌架的第一端设置有第二传动轮,第二传动轮位于粉仓外并位于第一端壁处,碳粉盒还包括挠性件,挠性件绕设在第一传动轮和第二传动轮上,第一传动轮通过挠性件驱动第二传动轮转动。打印机设置有上述碳粉盒,碳粉盒能够优化自身的传动系统、降低的动力接收头所受扭矩并增加粉仓容量的碳粉盒。(The invention provides a toner cartridge and a printer, the toner cartridge comprises a cartridge body and a stirring frame, a toner bin is arranged in the cartridge body, a power receiving head is arranged on a first end wall of the cartridge body, the stirring frame is rotatably arranged in the toner bin, a first driving wheel is arranged on the power receiving head, the rotating axis of the first driving wheel is parallel to the rotating axis of the stirring frame, a second driving wheel is arranged at the first end of the stirring frame, the second driving wheel is positioned outside the toner bin and at the first end wall, the toner cartridge further comprises a flexible part, the flexible part is wound on the first driving wheel and the second driving wheel, and the first driving wheel drives the second driving wheel to rotate through the flexible part. The printer is provided with above-mentioned toner cartridge, and the toner cartridge can optimize the transmission system of self, the power that reduces receives the moment of torsion and increase the toner cartridge of powder storehouse capacity.)

1. The carbon powder box comprises a box body and a stirring frame, wherein a powder bin is arranged inside the box body, a power receiving head is arranged on a first end wall of the box body, and the stirring frame is rotatably arranged in the powder bin and is characterized in that:

the power receiving head is provided with a first driving wheel, and the rotation axis of the first driving wheel is parallel to the rotation axis of the stirring frame;

a second driving wheel is arranged at the first end of the stirring frame, and the second driving wheel is positioned outside the powder bin and at the first end wall;

the toner cartridge further comprises a flexible part, the flexible part is wound on the first driving wheel and the second driving wheel, and the first driving wheel drives the second driving wheel to rotate through the flexible part.

2. The toner cartridge of claim 1, wherein:

the first driving wheel is a first belt wheel;

the second transmission wheel is a second belt wheel;

the flexible member is a transmission belt.

3. The toner cartridge of claim 2, wherein:

the first belt wheel and the second belt wheel are synchronous belt wheels, and the transmission belt is a synchronous belt; or

The first belt wheel and the second belt wheel are both flat belt wheels, and the transmission belt is a flat belt; or

The first belt wheel and the second belt wheel are both V belt wheels, and the transmission belt is a V belt; or

The first belt wheel and the second belt wheel are both round belt wheels, and the transmission belt is a round belt.

4. The toner cartridge of claim 2, wherein:

the reference diameter of the first pulley is 0.5 to 2 times the reference diameter of the second pulley.

5. The toner cartridge of claim 2, wherein:

the reference diameter of the first belt wheel is equal to that of the second belt wheel, and the wrap angle of the transmission belt on the first belt wheel and the wrap angle of the transmission belt on the second belt wheel are both 180 degrees; or

A reference diameter of the first pulley is smaller than a reference diameter of the second pulley, and a wrap angle of the transmission belt on the first pulley is greater than or equal to 150 ° and smaller than 180 °; or

The reference diameter of the first pulley is larger than the reference diameter of the second pulley, and the wrap angle of the transmission belt on the second pulley is greater than or equal to 150 ° and less than 180 °.

6. The toner cartridge of claim 1, wherein:

the first driving wheel is a first chain wheel;

the second transmission wheel is a second chain wheel;

the flexible member is a chain.

7. The toner cartridge of claim 6, wherein:

the chain is a roller chain or a tooth-shaped chain.

8. The toner cartridge according to any one of claims 1 to 7, wherein:

the toner cartridge further includes a tension unit provided at the first end wall, the tension unit being for adjusting a tension of the flexure.

9. The toner cartridge of claim 8, wherein:

the tension unit includes:

a drive mechanism;

and a tension pulley attached to an output end of the driving mechanism, wherein the driving mechanism drives the tension pulley to abut on the flexible member and controls the flexible member to be tensioned.

10. A printer comprising the toner cartridge of any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of electrophotographic imaging, in particular to a toner cartridge and a printer with the toner cartridge.

Background

The existing toner cartridge generally comprises a cartridge body, a stirring frame, a toner feeding roller and a developing roller. Wherein, have the powder storehouse in the box body, be provided with the drive power receiving head and the drive gear of being connected with the drive head of printer on the first end wall of box body, be provided with the detection wheel of being connected with the detection mechanism of printer on the second end wall of box body. The stirring frame is rotatably installed in the powder bin, a first end of the stirring frame is provided with a stirring frame gear located outside a first end wall, a transmission gear is meshed with the stirring gear and a gear structure of the driving force receiving head respectively, a second end of the stirring frame is located on a driving wheel outside a second end wall, and the driving wheel is meshed with a gear structure on the detection wheel. The powder feeding roller is rotatably arranged in the powder bin and is positioned at the outlet of the powder bin, one end of the powder feeding roller is provided with a powder feeding roller gear positioned outside the first end wall, and the powder feeding roller gear is meshed with the gear structure of the driving force receiving head. The developing roller is rotatably arranged on the box body, the developing roller is positioned outside the powder bin and positioned at the powder outlet, one end of the developing roller is provided with a developing roller gear positioned outside the first end wall, and the developing roller gear is meshed with the gear structure of the driving force receiving head.

When the drive power receiving head is driven by the drive head of the printer, the drive power receiving head drives the stirring frame gear to rotate through the transmission gear, so that the stirring frame gear drives the stirring frame to rotate, the stirring frame drives the detection wheel to rotate through the drive wheel, and the powder feeding roller gear and the developing roller gear are directly driven to rotate, so that the powder feeding roller gear drives the powder feeding roller to rotate, and the developing roller gear drives the developing roller to rotate.

In addition, when the stirring frame rotates, the rotating blades on the stirring frame need to continuously stir the carbon powder in the powder bin, so that the stirring frame is easily overloaded and rotated when the residual amount of the carbon powder in the powder bin is too much, and the gear burning phenomenon of the stirring frame is easily caused. Moreover, still need drive the drive wheel drive when the stirring frame rotates and detect the wheel rotation, but based on above-mentioned circumstances, the condition that the detection mechanism of printer can't accurate, effectual discernment cartridge appears easily. In addition, the complex gearing system at the first end wall of the toner cartridge can also affect the capacity of the powder bin.

Disclosure of Invention

In order to solve the above problems, it is a primary object of the present invention to provide a toner cartridge that optimizes a transmission system, reduces a torque applied to a power receiving head, and increases a capacity of a toner hopper.

Another object of the present invention is to provide a printer provided with the toner cartridge.

In order to achieve the main purpose of the invention, the invention provides a toner cartridge, which comprises a cartridge body and a stirring frame, wherein a toner bin is arranged inside the cartridge body, a power receiving head is arranged on a first end wall of the cartridge body, the stirring frame is rotatably arranged in the toner bin, a first driving wheel is arranged on the power receiving head, the rotating axis of the first driving wheel is parallel to the rotating axis of the stirring frame, a second driving wheel is arranged at the first end of the stirring frame, the second driving wheel is positioned outside the toner bin and at the first end wall, the toner cartridge further comprises a flexible part, the flexible part is wound on the first driving wheel and the second driving wheel, and the first driving wheel drives the second driving wheel to rotate through the flexible part.

Therefore, the structural design replaces a gear structure, a stirring frame gear and a transmission gear on a power receiving head in the traditional toner cartridge through the first transmission wheel, the second transmission wheel and the flexible part, so that the transmission gear in a traditional toner cartridge transmission system is eliminated, the structure of the transmission system is simplified, the rotation distortion force and the torque borne by the power receiving head are avoided being overlarge, and the protection effect on a driving head of a printer is achieved. In addition, the problem that the transmission system burns teeth when the stirring frame moves in an overload mode can be solved. Moreover, because the transmission gear in the transmission system is eliminated, at least a part of the space occupied by the transmission gear is released, and the capacity of the powder bin is effectively increased. After the cartridge is installed on the printer, the power receiving head is connected with the driving head of printer, make when driving head drive power receiving head rotates, the overhead first drive wheel of power receiving passes through the flexible piece drive second drive wheel and rotates, thereby make the second drive wheel drive stirring frame rotate, in order to guarantee that the stirring frame normally rotates, the detection wheel rotation on the second endwall of drive cartridge that the drive wheel of stirring frame second end can be reliable, thereby improve the detection rate of accuracy of the detection mechanism of printer to the cartridge.

Preferably, the first transmission wheel is a first pulley, the second transmission wheel is a second pulley, and the flexible member is a transmission belt.

Therefore, the transmission structure among the first transmission wheel, the second transmission wheel and the flexible part is set to be a belt transmission structure, so that the transmission stability among the first transmission wheel, the second transmission wheel and the flexible part can be improved, the structures of the power receiving head and the second transmission wheel can be simplified, the production cost of the toner cartridge is reduced, and in addition, the noise generated during the transmission of the first transmission wheel, the second transmission wheel and the flexible part can be reduced. Moreover, through the syntropy rotation control that the drive belt can realize power receiving head and stirring frame equally, solved traditional toner cartridge and adopted drive gear to control power receiving head and stirring frame and can increase the problem of the rotatory distortion power and the moment of torsion of power receiving head when carrying out the syntropy rotation, all play the guard action to the drive head of power receiving head and printer.

The first belt wheel and the second belt wheel are synchronous belt wheels, and the transmission belt is a synchronous belt; or the first belt wheel and the second belt wheel are both flat belt wheels, and the transmission belt is a flat belt; or the first belt wheel and the second belt wheel are both V belt wheels, and the transmission belt is a V belt; or the first belt wheel and the second belt wheel are both round belt wheels, and the transmission belt is a round belt.

It can be seen from above that, the type of first band pulley, second band pulley, drive belt all can carry out the adaptability adjustment according to factors such as the design requirement of cartridge, operation requirement, manufacturing cost.

Still further, the reference diameter of the first pulley is 0.5 to 2 times the reference diameter of the second pulley.

It is thus clear that the ratio of the reference diameter through changing the benchmark diameter of first band pulley and the benchmark diameter of second band pulley can change the drive ratio between power receiving head and the stirring frame to make the cartridge can be applicable to printers such as different output requirements, different operation requirements, improve the application scope of cartridge.

The reference diameter of the first belt wheel is equal to that of the second belt wheel, and the wrap angle of the transmission belt on the first belt wheel and the wrap angle of the transmission belt on the second belt wheel are both 180 degrees; or the reference diameter of the first belt wheel is smaller than that of the second belt wheel, and the wrap angle of the transmission belt on the first belt wheel is larger than or equal to 150 degrees and smaller than 180 degrees; or the reference diameter of the first belt wheel is larger than that of the second belt wheel, and the wrap angle of the transmission belt on the second belt wheel is larger than or equal to 150 degrees and smaller than 180 degrees.

From the above, through the wrap angle design of the transmission belt on the first belt wheel and/or the second belt wheel, the first belt wheel, the second belt wheel and the transmission belt can have enough transmission capacity, so that the transmission reliability of the belt transmission mechanism is ensured.

In another preferred embodiment, the first transmission wheel is a first sprocket, the second transmission wheel is a second sprocket, and the flexible member is a chain.

Therefore, the transmission structure among the first transmission wheel, the second transmission wheel and the flexible part is set to be the chain transmission structure, so that the reliability of transmission among the first transmission wheel, the second transmission wheel and the flexible part can be improved, the overload capacity of the transmission system can be improved, and the transmission system can still keep normal operation when the stirring frame is in overload motion. Moreover, the equidirectional rotation control of the power receiving head and the stirring frame can be realized through the chain, the problem that the rotating torsional force and the torque of the power receiving head can be increased when the traditional toner cartridge adopts the transmission gear to control the power receiving head and the stirring frame to rotate in the same direction is solved, and the protection effect is realized on the power receiving head and the driving head of the printer.

Further, the chain is a roller chain or a toothed chain.

It is thus clear that the type of first sprocket, second sprocket and chain all can carry out the adaptability adjustment according to factors such as the design requirement of cartridge, operation requirement, manufacturing cost.

In a further aspect, the toner cartridge further includes a tension unit provided at the first end wall, the tension unit being for adjusting a tension of the flexible member.

In a further aspect, the tensioning unit includes a driving mechanism and a tensioning wheel, the tensioning wheel is mounted on the output end of the driving mechanism, and the driving mechanism drives the tensioning wheel to abut against the flexible member and controls the flexible member to be tensioned.

Therefore, the tensioning unit is used for adjusting the tensioning force of the flexible part, so that the flexible part can automatically maintain the initial tension, and the flexible part can always maintain the reliable transmission capability.

In order to achieve another object of the present invention, the present invention provides a printer, wherein the printer comprises the toner cartridge.

It is from top to bottom visible, be provided with the better drive head of avoiding of printer of above-mentioned cartridge impaired to can improve the detection accuracy rate to the cartridge to detection mechanism.

Drawings

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

Fig. 2 is a structural diagram of the toner cartridge of the first embodiment of the present invention with a first part of components omitted.

Fig. 3 is a structural diagram of the toner cartridge of the first embodiment of the present invention with a second part of the components omitted.

Fig. 4 is a structural view of the toner cartridge according to the first embodiment of the present invention after a third omitted part is shown.

Fig. 5 is a schematic structural view of a sixth embodiment of the toner cartridge of the present invention.

Fig. 6 is a schematic structural view of a seventh embodiment of the toner cartridge of the present invention.

The invention is further explained with reference to the drawings and the embodiments.

Detailed Description

Toner cartridge first embodiment:

referring to fig. 1 and 2, the toner cartridge 100 includes a case 1, an agitating frame 2, a flexible member 3, a powder feed roller 4, a developing roller 5, and a cover 6. The box body 1 is internally provided with a powder bin 11, and the powder bin 11 is used for storing carbon powder. The first end wall of the box body 1 is provided with a power receiving head 12, the power receiving head 12 can rotate around the axis of the power receiving head, relative to the box body 1, the second end wall of the box body 1 is provided with a detection wheel 13, the detection wheel 13 can rotate around the axis of the detection wheel, and the first end wall and the second end wall are distributed along the axis of the power receiving head 12. After the toner cartridge 100 is installed in the toner cartridge compartment of the printer, the power receiving head 12 is connected to the driving head of the printer, so that the driving head of the printer can drive the power receiving head 12 to rotate, then the stirring frame 2, the powder feeding roller 4 and the developing roller 5 are driven to rotate by the transmission system of the toner cartridge 100, the detection wheel 13 is connected to the detection mechanism on the printer, the detection mechanism of the printer detects the toner cartridge 100 through the detection wheel 13, and the parameter information of the toner cartridge 100 is acquired. In addition, the box body 1 is provided with a powder filling port 14 on the second end wall, and the powder filling port 14 is communicated with the powder bin 11, so that a user can supplement carbon powder into the box body 1 through the powder filling port 14, and the recycling requirement of the toner cartridge 100 is met.

Referring to fig. 3, the power receiving head 12 is provided with a clamping portion 121, a first driving wheel 122 and a first gear 123, wherein the clamping portion 121, the first driving wheel 122 and the first gear 123 are integrally formed. The clamping portion 121 is used for clamping a driving head of the printer, so that the driving head of the printer can reliably drive the power receiving head 12 to rotate.

The stirring frame 2 is rotatably arranged on the box body 1, the main body of the stirring frame 2 is positioned in the powder bin 11, and two shaft ends of the stirring frame 2 respectively extend out of the first end wall and the second end wall. The first end of the stirring frame 2 is provided with a second driving wheel 21, the second driving wheel 21 is fixedly connected with the stirring frame 2, and the second driving wheel 21 is positioned on the first end wall. Wherein the axis of the second rotating wheel and the axis of rotation of the stirring frame 2 are respectively parallel to the axis of the power receiving head 12.

The flexible member 3 is wound around the first driving wheel 122 and the second driving wheel 21, so that the first driving wheel 122 can drive the second driving wheel 21 to rotate through the flexible member 3, the second driving wheel 21 drives the stirring frame 2 to rotate so as to stir the carbon powder in the powder bin 11, and the carbon powder in the powder bin 11 is prevented from being solidified into blocks. In this embodiment, the first driving wheel 122 is a first pulley, the second driving wheel 21 is a second pulley, the flexible member 3 is a driving belt, and the first pulley and the second pulley are synchronous pulleys and the driving belt is a synchronous belt. Because first band pulley, be the meshing transmission between second band pulley and the drive belt, make first band pulley, the drive ratio between second band pulley and the drive belt is accurate, high transmission efficiency, and bring the gear structure on the power receiving head 12 who replaces traditional toner cartridge through first band pulley, second band pulley and transmission, 2 gears of stirring frame and drive gear, can effectually simplify the transmission system of toner cartridge 100, and can realize the syntropy rotation control of power receiving head 12 and stirring frame 2 equally through the drive belt, solved traditional toner cartridge and adopted drive gear to control power receiving head 12 and stirring frame 2 and can increase the problem of the rotatory distortion power and the moment of torsion of power receiving head 12 when carrying out the syntropy rotation, all play the guard action to the drive head of power receiving head 12 and printer.

Further, the reference diameter of the first pulley is 0.5 to 2 times the reference diameter of the second pulley. In this embodiment, the reference diameter of the first pulley is equal to the reference diameter of the second pulley, and the wrap angle a1 of the belt on the first pulley and the wrap angle a2 of the belt on the second pulley are both 180 degrees. Of course, in other embodiments, if the reference diameter of the first pulley is not equal to the reference diameter of the second pulley, the wrap angle a1 of the belt on the first pulley is greater than or equal to 150 ° and less than 180 °, i.e., 150 ° ≦ a1 < 180 °, when the reference diameter of the first pulley is less than the reference diameter of the second pulley, and the wrap angle a2 of the belt on the second pulley is greater than or equal to 150 ° and less than 180 °, i.e., 150 ° ≦ a2 < 180 °, when the reference diameter of the first pulley is greater than the reference diameter of the second pulley. Wherein, the transmission ratio between the power receiving head 12 and the stirring frame 2 can be changed by changing the ratio of the reference diameter of the first belt wheel to the reference diameter of the second belt wheel, so that the toner cartridge 100 can be applied to printers with different output requirements, different use requirements and the like, the application range of the toner cartridge 100 is improved, and the wrap angle design of the transmission belt on the first belt wheel and/or the second belt wheel is adopted, so that the first belt wheel, the second belt wheel and the transmission belt can have enough transmission capacity, and the reliability of the transmission of the belt transmission mechanism is ensured.

Referring to fig. 4, the second end of the stirring frame 2 is provided with a second gear 22, and the second gear 22 is fixedly connected to the stirring frame 2, so that the second gear 22 can rotate along with the rotation of the stirring frame 2. The detection wheel 13 is provided with a third gear, the axis of the third gear is collinear with the rotation axis of the detection wheel 13, and the third gear is meshed with the second gear 22, so that the second gear 22 can drive the detection wheel 13 to rotate through the third gear, and the detection mechanism of the printer can detect the detection wheel 13.

The powder feeding roller 4 is rotatably arranged on the box body 1 around the axis of the powder feeding roller 4, the powder feeding roller 4 is positioned in the powder bin 11, and the powder feeding roller 4 is positioned at the powder outlet of the powder bin 11. One end of the powder feeding roller 4, which is close to the first end wall of the box body 1, extends out of the first end wall, a powder feeding roller gear 41 is arranged on the end, the powder feeding roller gear 41 is fixedly connected with the powder feeding roller 4, and the powder feeding roller gear 41 is meshed with a first gear 123 on the power receiving head 12, so that the power receiving head 12 can drive the powder feeding roller 4 to rotate through the first gear 123 and the powder feeding roller gear 41, and carbon powder in the powder bin 11 is conveyed to the developing roller 5.

The developing roller 5 is rotatably arranged on the box body 1 around the axis of the developing roller 5, the developing roller 5 is positioned outside the powder bin 11, the developing roller 5 is positioned at the outlet of the powder bin 11, and the developing roller 5 is abutted to the powder feeding roller 4 and receives the carbon powder transmitted by the powder feeding roller 4. One end of the powder feeding roller 4 close to the first end wall of the box body 1 extends out of the first end wall, a developing roller gear 51 is arranged on the end, the developing roller gear 51 is fixedly connected with the developing roller 5, and the developing roller gear 51 is meshed with a first gear 123 on the power receiving head 12, so that the power receiving head 12 can drive the developing roller 5 to rotate through the first gear 123 and the developing roller gear 51.

Lid 6 detachably installs on box body 1, and lid 6 lid closes on the play powder mouth in developer roll 5 and powder storehouse 11 to protect developer roll 5 before using, avoid developer roll 5 to be damaged before the encapsulation of dispatching from the factory to packing into the printer.

In summary, according to the invention, through the structural design of the toner cartridge, the first driving wheel, the second driving wheel and the flexible part are adopted to replace a gear structure, a stirring frame gear and a transmission gear on a power receiving head in the traditional toner cartridge, so that the transmission gear in a traditional toner cartridge transmission system is eliminated, the structure of the transmission system is simplified, the overlarge rotation distortion force and torque borne by the power receiving head are avoided, and the protection effect on the driving head of the printer is achieved. In addition, the problem that the transmission system burns teeth when the stirring frame moves in an overload mode can be solved. Moreover, because the transmission gear in the transmission system is eliminated, at least a part of the space occupied by the transmission gear is released, and the capacity of the powder bin is effectively increased.

Toner cartridge second embodiment:

the present embodiment is different from the first embodiment in that:

in this embodiment, first band pulley and second band pulley are flat band pulley, and the drive belt is the flat belt, and through the design to first band pulley, second band pulley and drive belt for the structure of first band pulley, second band pulley and drive belt is simpler, processing is more convenient and can reduce the manufacturing cost of cartridge. Therefore, the types of the first belt wheel, the second belt wheel and the transmission belt can be adaptively adjusted according to the design requirements, the use requirements, the production cost and other factors of the toner cartridge.

Toner cartridge third embodiment:

the present embodiment is different from the first embodiment in that:

in this embodiment, first band pulley and second band pulley are the V band pulley, and the drive belt is the V area, and through the design to first band pulley, second band pulley and drive belt for the structure of first band pulley, second band pulley and drive belt is simpler, processing is more convenient and can reduce the manufacturing cost of cartridge, in addition, set first band pulley and second band pulley into the V band pulley, set the drive belt into the V area and can also increase the frictional force between drive belt and first band pulley and the second band pulley, in order to guarantee the transmission ability in V area. Therefore, the types of the first belt wheel, the second belt wheel and the transmission belt can be adaptively adjusted according to the design requirements, the use requirements, the production cost and other factors of the toner cartridge.

Fourth embodiment of toner cartridge:

the present embodiment is different from the first embodiment in that:

in this embodiment, first band pulley and second band pulley are the circle band pulley, and the drive belt is the circle area, and through the design to first band pulley, second band pulley and drive belt for the structure of first band pulley, second band pulley and drive belt is simpler, processing and dismouting are more convenient and can reduce the manufacturing cost of cartridge. Therefore, the types of the first belt wheel, the second belt wheel and the transmission belt can be adaptively adjusted according to the design requirements, the use requirements, the production cost and other factors of the toner cartridge.

Fifth embodiment of toner cartridge:

the present embodiment is different from the first embodiment in that:

in this embodiment, the first driving wheel is a first chain wheel, the second driving wheel is a second chain wheel, and the flexible member is a chain, and the driving structure among the first driving wheel, the second driving wheel, and the flexible member is a chain driving structure, so that the reliability of the transmission among the first driving wheel, the second driving wheel, and the flexible member can be improved, and the overload capacity of the driving system can be improved, so that when the stirring frame performs overload motion, the driving system can still keep normal operation. Moreover, the equidirectional rotation control of the power receiving head and the stirring frame can be realized through the chain, the problem that the rotating torsional force and the torque of the power receiving head can be increased when the traditional toner cartridge adopts the transmission gear to control the power receiving head and the stirring frame to rotate in the same direction is solved, and the protection effect is realized on the power receiving head and the driving head of the printer. Wherein the chain may be a roller chain or a toothed chain, and the first sprocket, the second sprocket and the chain are preferably all made of plastic.

Sixth embodiment of toner cartridge:

the present embodiment is different from the first to fifth embodiments of the toner cartridge described above in that:

referring to fig. 5, in the present embodiment, the toner cartridge further includes a tension unit 7, the tension unit 7 is disposed at the first end wall of the case 73, and the tension unit 7 is used to adjust the tension of the flexure 74. Specifically, the tensioning unit 7 comprises a driving mechanism 71 and a tensioning wheel 72, wherein the driving mechanism 71 comprises a swinging arm 711 and a first return spring 712, a hinge shaft 731 is arranged on a first end wall of the box body 73, a first end of the swinging arm 711 is hinged with the hinge shaft 731, the tensioning wheel 72 is mounted on a second end of the swinging arm 711, the tensioning wheel 72 can rotate around an axis of the tensioning wheel 72 relative to the swinging arm 711, and the axis of the tensioning wheel 72 is parallel to the axis of the power receiving head. The first return spring 712 is preferably a torsion spring, which is sleeved on the hinge shaft 731, and both ends of the torsion spring are respectively and fixedly connected with the swing arm 711 and the box body 73, and the torsion spring is used for driving the tension wheel 72 to press against the flexible part 74, so that the flexible part 74 always maintains an initial tension, and the flexible part 74 can always maintain a reliable transmission capability.

It should be noted that when the flexible member 74 is a transmission belt, the tension wheel 72 can be a roller or a pulley; when the flexible member 74 is a chain, the tension pulley 72 is a sprocket.

Seventh embodiment of toner cartridge:

the present embodiment differs from the seventh embodiment of the toner cartridge in the structure of the driving structure, specifically, as shown in fig. 6, a slide groove 831 is provided on the first end wall of the case 83, between the axis of the power receiving head 84 and the axis of the second transmission wheel 85, and in the axial direction of the power receiving head 84, the projection of the slide groove 831 extends toward the line between the projection of the axis of the power receiving head 84 and the projection of the axis of the second transmission wheel 85. Drive mechanism 81 includes a slide bar 811 and a second return elastic member 812, slide bar 811 being slidably mounted in slide groove 831 along an extending direction of slide groove 831, and tension wheel 82 being rotatably mounted on a first end of slide bar 811 about its axis, second return elastic member 812 preferably being a compression spring connected between the first end of slide bar 811 and slide groove 831, the compression spring being used to drive slide bar 811 to move toward flexure 86, thereby pressing tension wheel 82 on the first end of slide bar 811 against flexure 86.

Printer embodiment:

the printer comprises the toner cartridge of any one of the first embodiment to the seventh embodiment of the toner cartridge, and the printer provided with the toner cartridge can better avoid the damage of the driving head and improve the detection accuracy of the detection mechanism to the toner cartridge.

Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, rather than limitations, and that many variations and modifications of the invention are possible to those skilled in the art, without departing from the spirit and scope of the invention.