CN110501891B - Power receiving device and image forming cartridge - Google Patents

Abstract

The invention discloses a power receiving device and an imaging box. The power receiving device comprises: a first receiving part for docking with a power shaft, the first receiving part includes a first limiting part; a second receiving part, the second receiving part A limit space open toward the first limit part is provided, a part of the first receiving part is rotatably fitted in the second receiving part, and the first limit part is arranged in the limit space and rotates in a predetermined circumferential direction. After the angle, the second receiver is driven to rotate synchronously. Therefore, the second receiving member and the first receiving member have a certain rotation margin in the circumferential direction, that is, after the power shaft drives the first receiving member to rotate, the first receiving member can rotate a certain angle in the limiting space and then drive the first receiving member to rotate. The two receiving parts rotate synchronously in the circumferential direction to transmit power. This kind of power receiving device only rotates in the circumferential direction, the transmission is more stable, and it is better suitable for high-speed transmission, and the power receiving device thus arranged is simple in structure and reliable in assembly.

Description

Power receiver and imaging cartridge

technical field

The present invention relates to the field of imaging technology, in particular to a power receiving device and an imaging box.

Background technique

The imaging device has the function of printing and imaging, and is provided with a developing device for developing, the developing device is installed in the main body of the imaging device, and the developing device applies toner on the electrostatic latent image for developing. The toner consumed by the development is provided by the imaging cartridge. After the toner is used up, the imaging cartridge can be replaced with a new one.

In the related art, the imaging box is generally assembled in the main body, which has a power receiving device, and the main body is provided with a power shaft. The power shaft transmits driving force to the imaging box through the power receiving device, thereby driving it to work. The power receiving device generally includes a spherical universal joint and a receiving end. The power receiving device of this structure can compensate for a small amount of errors in the axial, radial and angular directions when the toner cartridge is installed in the printer, but the power receiving device so arranged will cause dynamic load during transmission, which is not conducive to transmission, and Not very suitable for high-speed transmission with frequent starts.

SUMMARY OF THE INVENTION

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide a power receiving device, which can facilitate transmission and has a simple structure.

The present invention further provides an imaging cartridge.

The power receiving device according to the present invention includes: a first receiving member for docking with the power shaft, the first receiving member includes a first limiting portion; The limiting space in which the first limiting portion is open, a part of the first receiving member is rotatably fitted in the second receiving member, and the first limiting portion is arranged in the limiting space and is located in the limiting space. After the circumferential rotation is performed by a predetermined angle, the second receiving member is driven to rotate synchronously.

Therefore, the second receiving member and the first receiving member have a certain rotation margin in the circumferential direction, that is, after the power shaft drives the first receiving member to rotate, the first receiving member can rotate a certain angle in the limiting space and then drive the first receiving member to rotate. The two receiving parts rotate synchronously in the circumferential direction to transmit power. This kind of power receiving device only rotates in the circumferential direction, the transmission is more stable, and it is better suitable for high-speed transmission, and the power receiving device thus arranged is simple in structure and reliable in assembly.

In some examples of the present invention, the first limit portion has a first limit position and a second limit position in the limit space, and the first limit position and the second limit position are located in the same plane , when the first limit part is located at the first limit position, the first limit part abuts on the first side of the limit space, and drives the second receiver to rotate synchronously, the When the first limiting portion is located at the second limiting position, the first limiting portion abuts on a second side of the limiting space opposite to the first side.

In some examples of the present invention, the second receiving member includes a housing and a second limiting portion, the second limiting portion is provided on the inner circumference of the housing, the housing and the second limiting portion The limiting portion respectively constitutes the outer peripheral wall and the circumferential side wall of the limiting space. When the first limiting portion is located at the first limit position, the first limiting member abuts against the second limiting member. On one side wall of the position part, when the first limit part is located at the second limit position, the first limit part abuts on the other side wall of the second limit part or on one side wall of the other second limiting portion.

In some examples of the present invention, there are at least two second stopper parts, at least two of the second stopper parts are arranged at intervals on the inner circumference of the housing, and two of the second stopper parts adjacent in the circumferential direction The limiting portion and a part of the housing define the limiting space.

In some examples of the present invention, there are at least two first limiting portions, at least two first limiting portions are arranged at intervals in the circumferential direction of the first receiving member, each of the first limiting portions The positioning portions are all located in the limiting space between the two second limiting portions.

In some examples of the present invention, one sidewall of the first limiting portion and one sidewall of the second limiting portion are both flat surfaces.

In some examples of the present invention, the outer peripheral wall of the first limiting portion is an arc surface, and there is a radial gap between the outer peripheral wall of the first limiting portion and the housing.

In some examples of the present invention, the second receiving member further includes: a third limiting portion, the third limiting portion is provided on the inner circumference of the housing and is used for axially abutting against the The first limit part.

In some examples of the present invention, the second limiting portion is disposed on a side of the third limiting portion facing the first limiting portion.

In some examples of the present invention, the first receiving member further includes: a shaft body and a receiving end, the receiving end is disposed at one end of the shaft body, and the first limiting portion is disposed on the shaft body and Set at a distance from the receiving end.

In some examples of the present invention, the receiving end includes: a top plate, the top plate is disposed on one end of the shaft body; and a symmetrically disposed receiving plate, the receiving plate is disposed on the top plate.

In some examples of the present invention, the inner end surface of the receiving plate is a receiving surface for docking with the power shaft, and the receiving surface is a plane.

In some examples of the present invention, a connecting block is provided between the side surface of the receiving plate and the top surface of the top plate.

In some examples of the present invention, the top surface of the connecting block is an inclined surface or an arc surface.

In some examples of the present invention, the power receiving device further includes: a limiting member, the limiting member is disposed on the other end of the shaft body.

In some examples of the present invention, the limiting member is a pin, the other end of the shaft body is provided with a pin hole, and the pin penetrates the pin hole.

In some examples of the present invention, the power receiving device further includes: an elastic member, the elastic member is sleeved on the first receiving member, and two ends of the elastic member are respectively disposed on the first receiving member and the first receiving member. The second receiving piece is used to generate a circumferential return elastic force.

In some examples of the present invention, the first limiting portion is provided with a radially extending open groove, and one end of the elastic member protrudes into the open groove.

In some examples of the present invention, the elastic member includes a torsion spring.

The imaging cartridge according to the present invention comprises: a main body; the power receiving device, wherein the second receiving member of the power receiving device is fixed on one axial side of the main body.

Additional aspects and advantages of the present invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

1 and 2 are perspective views of a power receiving device from different perspectives according to an embodiment of the present invention;

FIG. 3 and FIG. 4 are respectively exploded views of the power receiving device according to the embodiment of the present invention from different viewing angles.

Reference number:

Power receiving device 100;

The first receiving part 10; the first limiting part 11; the opening slot 111; the shaft body 12; the receiving end 13; the top plate 131; the receiving plate 132; the receiving surface 133; the connecting block 134;

The second receiving member 20; the limiting space 21; the housing 22; the second limiting portion 23; the third limiting portion 24;

Limiting member 30 ; elastic member 40 ; power shaft 200 ; blocking shaft 210 .

Detailed ways

The embodiments of the present invention will be described in detail below. The embodiments described with reference to the accompanying drawings are exemplary, and the embodiments of the present invention will be described in detail below.

The following describes a power receiving device 100 according to an embodiment of the present invention with reference to FIGS. 1 to 4 . The power receiving device 100 is disposed on an imaging cartridge, wherein the imaging cartridge includes a main body, and the power receiving device 100 can be disposed on one axial side of the main body, The axial direction is the left and right direction shown in FIG. 1 , the imaging cartridge can be installed in the main body of the imaging device, the main body can be provided with a power shaft 200 , and the power receiving device 100 is used for docking with the power shaft 200 . When rotating, the power receiving device 100 can receive the power transmitted by the power receiving device 100, thereby driving the imaging cartridge to work.

As shown in FIGS. 1-4 , the power receiving device 100 according to the embodiment of the present invention may include: a first receiving member 10 and a second receiving member 20 , the first receiving member 10 is used for docking with the power shaft 200 , and the second receiving member The member 20 is then driven with the first receiving member 10, and the second receiving member 20 can be arranged on one side of the main body in the axial direction, so that the effective transmission of power can be achieved.

The first receiving member 10 includes a first limiting portion 11 , the second receiving member 20 is provided with a limiting space 21 that is open toward the first limiting portion 11 , and a part of the first receiving member 10 can be rotatably fitted to the second receiving member 20 , the first limiting portion 11 is arranged in the limiting space 21 , and the first limiting portion 11 drives the second receiving member 20 to rotate synchronously after the first limiting portion 11 rotates by a predetermined angle in the circumferential direction. It can be understood that the second receiving member 20 and the first receiving member 10 have a certain rotation margin in the circumferential direction, that is, after the power shaft 200 drives the first receiving member 10 to rotate, the first receiving member 10 can be in the limit space. After a certain angle of rotation in the 21, the second receiving member 20 is driven to rotate synchronously in the circumferential direction, so as to carry out power transmission. Since the power receiving device 100 only rotates in the circumferential direction, the transmission is more stable, and it is better suitable for high-speed transmission. The power receiving device 100 is simple in structure and reliable in assembly.

It should be noted that the second receiving member 20 will limit the axial movement of the first receiving member 10, but due to the existence of production errors and assembly errors, in practical applications, the first receiving member 10 will have some relative to the second receiving member 20. Slight axial movement, but the second receiving member 20 will effectively limit the axial movement of the first receiving member 10 .

According to an optional embodiment of the present invention, the first limit portion 11 has a first limit position and a second limit position in the limit space 21, the first limit position and the second limit position are located in the same plane, and the first limit position When the position part 11 is located at the first limit position, the first limit part 11 abuts on the first side of the limit space 21 and drives the second receiver 20 to rotate synchronously. When the first limit part 11 is located at the second limit position , the first limiting portion 11 abuts on the second side of the limiting space 21 opposite to the first side. Wherein, the first limit portion 11 can rotate between the first limit position and the second limit position, and its starting position may not be at the second limit position, for example, the first limit portion 11 is at the start of the limit space 21 The position may be a position between the first extreme position and the second extreme position. The second receiving member 20 thus arranged can effectively limit the rotation of the first limiting portion 11 , and can enable the first limiting portion 11 to drive the second receiving member 20 to rotate synchronously.

Further, as shown in FIGS. 1 to 4 , the second receiver 20 includes a housing 22 and a second limiting portion 23 . The second limiting portion 23 is provided on the inner circumference of the housing 22 . The housing 22 and the second limiting portion 23 The limiting portion 23 constitutes the outer peripheral wall and the circumferential side wall of the limiting space 21 respectively. When the first limiting portion 11 is located at the first limit position, the first limiting member 30 abuts on one side of the second limiting portion 23 . On the side wall, when the first limiting portion 11 is located at the second limit position, the first limiting portion 11 abuts on the other side wall of the second limiting portion 23 or one of the other second limiting portions 23 . on the side walls.

That is to say, when there is one second limit portion 23, the side walls on both sides of the second limit portion 23 correspond to the first limit position and the second limit position of the first limit portion 11 respectively; When there are two or more position portions 23 , at least two second position limit portions 23 are arranged at intervals on the inner circumference of the housing 22 , and two adjacent second position portions 23 are located in the same position limit space 21 . The two inner side walls correspond to the first limit position and the second limit position respectively, that is, the two second limit parts 23 connected in the circumferential direction and a part of the casing 22 define a limit space 21 . Through the circumferential cooperation of the first limiting portion 11 and the second limiting portion 23 , the first receiving member 10 can drive the second receiving member 20 to rotate synchronously, thereby ensuring the power receiving reliability of the power receiving device 100 .

Wherein, there are at least two second limiting portions 23 , and two circumferentially adjacent second limiting portions 23 and a part of the housing 22 define a limiting space 21 . The plurality of second limiting portions 23 arranged in this way can reduce the rotation angle of the first limiting portion 11 in the limiting space 21 , so that the first receiving member 10 can drive the second receiving member 20 to synchronize after a short time interval. Rotation, so that the power receiving capability of the power receiving device 100 can be further improved.

Correspondingly, as shown in FIG. 3 and FIG. 4 , there are at least two first limiting portions 11 , and at least two first limiting portions 11 are arranged at intervals in the circumferential direction of the first receiving member 10 . The positioning portions 11 are all located in the limiting spaces 21 between the two second limiting portions 23 . The number of the first limiting portion 11 and the number of the second limiting portion 23 may be the same. After the multiple second limiting portions 23 define multiple limiting spaces 21 , the multiple first limiting portions 11 may be distributed in multiple Within the limiting space 21, the plurality of first limiting portions 11 and the plurality of second limiting portions 23 thus arranged can improve the transmission reliability of the first receiving member 10 and the second receiving member 20, and can also further shorten the The interval before the first receiver 10 drives the second receiver 20 to rotate.

Optionally, as shown in FIGS. 1 and 3 , one sidewall of the first limiting portion 11 and one sidewall of the second limiting portion 23 are both flat surfaces. By setting the side wall of the first limiting portion 11 and the side wall of the second limiting portion 23 to be flat, it can facilitate the alignment of the first limiting portion 11 with the side wall of the second limiting portion 23 when the first limiting portion 11 is at the first limit position. The surface stops abut against each other, which can further improve the transmission reliability of the first receiving part 10 and the second receiving part 20 .

As shown in FIG. 1 , the outer peripheral wall of the first limiting portion 11 may be an arc surface, and there is a radial gap between the outer peripheral wall of the first limiting portion 11 and the housing 22 . The first limiting portion 11 thus arranged can effectively adapt to the limiting space 21 defined by the second receiving member 20 , and can avoid interference by the housing 22 , so that the first limiting portion 11 can be located in the limiting space 21 . The inner part can rotate smoothly, which can further improve the stability of the power receiving device 100 .

According to a specific embodiment of the present invention, as shown in FIG. 1 and FIG. 3 , the second receiving member 20 further includes: a third limiting portion 24 , the third limiting portion 24 is disposed on the inner circumference of the housing 22 , and the third limiting portion 24 is The three limiting portions 24 are used to stop against the first limiting portion 11 in the axial direction. That is to say, the third limiting portion 24 can be used to stop the axial movement of the first limiting portion 11 , so as to stop the large axial movement of the first receiving member 10 relative to the second receiving member 20 , and thus can lift the Stability of the power receiving device 100 .

As shown in FIG. 1 , the second limiting portion 23 is disposed on the side of the third limiting portion 24 facing the first limiting portion 11 . The second limiting portion 23 may be disposed on the left side of the third limiting portion 24, so that the first limiting portion 11 does not need to enter the other side of the third limiting portion 24, so that the first receiving member 10 and the The second receiving piece 20 is simple to assemble and has a stable structure. The third limiting portion 24 may be a baffle plate with a circular hole in the center, and the circular hole allows the first receiving member 10 to pass through.

Optionally, as shown in FIG. 1 , FIG. 3 and FIG. 4 , the first receiving member 10 further includes: a shaft body 12 and a receiving end 13 , the receiving end 13 is provided at one end of the shaft body 12 , and the first limiting portion 11 is provided On the shaft body 12 , and the first limiting portion 11 and the receiving end 13 are spaced apart. The receiving end 13 may be disposed on the left end of the shaft body 12, the receiving end 13 is used for docking with the power shaft 200 to receive power, the first limiting portion 11 is located between the two ends of the shaft body 12, and the shaft body 12 passes through The second receiver 20 . The first receiving part 10 thus arranged can effectively connect the receiving end 13 and the first limiting part 11 into one body, which can improve the structural reliability of the first receiving part 10 and can better transmit power to the second receiving part.

Further, as shown in FIG. 1 , FIG. 3 and FIG. 4 , the receiving end 13 includes a top plate 131 and symmetrically arranged receiving plates 132 . The symmetrically arranged receiving plates 132 may correspond to both ends of the blocking shaft 210 of the power shaft 200 . When the two receiving plates 132 correspond to both ends of the blocking shaft 210 , the power shaft 200 can transmit power to the first receiving member 10 . Two receiving plates 132 may be arranged on the top plate 131 , so that the two receiving plates 132 can be effectively connected with the shaft body 12 , and the connection reliability between the receiving plates 132 and the shaft body 12 can be ensured.

Optionally, as shown in FIGS. 1 and 3 , the inner end surface of the receiving plate 132 is a receiving surface 133 for docking with the power shaft 200 , and the receiving surface 133 is a flat surface. The blocking shaft 210 can be a cylindrical shaft, and the receiving surfaces 133 provided on the plane can effectively stop both ends of the blocking shaft 210 , which can make the power transmission between the power shaft 200 and the first receiving member 10 more stable, and can effectively prevent the power shaft 200 out of the receiving end 13 .

As shown in FIG. 1 , a connecting block 134 whose top surface is an inclined surface or an arc surface is disposed between the side surface of the receiving plate 132 and the top surface of the top plate 131 . The connection block 134 can effectively strengthen the connection strength between the receiving plate 132 and the top plate 131 , and the inclined surface is a guiding surface. During the docking process between the blocking shaft 210 of the power shaft 200 and the receiving end 13 , the inclined surface can guide both ends of the blocking shaft 210 to quickly Enter the space between the two receiving plates 132 , and then perform abutting engagement with the receiving surface 133 .

According to a specific embodiment of the present invention, as shown in FIGS. 2 and 4 , the power receiving device 100 may further include: a limiting member 30 , and the limiting member 30 is disposed on the other end of the shaft body 12 . The limiting member 30 can further limit the axial position of the shaft body 12, so that the first receiving member 10 can be rotated relative to the second receiving member 20 by a predetermined angle only in the circumferential direction. The power receiving device 100 thus configured has high reliability.

Specifically, as shown in FIG. 2 and FIG. 4 , the limiting member 30 is a pin, the other end of the shaft body 12 is provided with a pin hole, and the pin is passed through the pin hole. By adopting the matching mode of the pin and the pin hole, the matching mode of the limiting member 30 and the shaft body 12 can be simplified, and the axial limiting effect is good.

Optionally, as shown in FIGS. 3 and 4 , the power receiving device 100 further includes: an elastic member 40 , the elastic member 40 is sleeved on the first receiving member 10 , and both ends of the elastic member 40 are respectively disposed on the first receiving member 10 and the second receiver 20 to generate a circumferential return elastic force. That is to say, the elastic member 40 is an elastic restoring member, and its main function is to provide the elastic force for restoring the first receiving member 10, which can make the structure of the first receiving member 10 and the second receiving member 20 more stable and the transmission more reliable. For example, as shown in FIGS. 3 and 4 , the elastic member 40 includes a torsion spring.

Wherein, as shown in FIG. 4 , the first limiting portion 11 is provided with a radially extending opening groove 111 , and one end of the elastic member 40 extends into the opening groove 111 . By arranging the opening groove 111, the installation difficulty of the elastic member 40 and the first limiting portion 11 can be reduced, and by arranging one end of the elastic member 40 at the first limiting portion 11, the elastic member 40 can be positioned at the first receiving member The arrangement between 10 and the second receiving part 20 is simple, and the structure is more reliable.

The imaging cartridge according to the embodiment of the present invention includes a main body and the power receiving device 100 of the above-mentioned embodiment, and the second receiving member 20 of the power receiving device 100 is fixed on one axial side of the main body.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Back, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device or Elements must have a particular orientation, be constructed and operate in a particular orientation and are therefore not to be construed as limitations of the invention.

In the description of the present invention, "first feature" and "second feature" may include one or more of the features. In the description of the present invention, "plurality" means two or more. In the description of the present invention, a first feature being "above" or "under" a second feature may include that the first and second features are in direct contact, or that the first and second features are not in direct contact but through them Additional feature contacts between. In the description of the present invention, the first feature "above", "over" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is level higher than Second feature.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples", etc., is meant to incorporate the embodiments A particular feature, structure, material, or characteristic described by an example or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example.

Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, The scope of the invention is defined by the claims and their equivalents.

Claims (14)

1. A power receiving device, comprising:

a first receiving part for accepting power, first receiving part includes first spacing portion, axis body and receiving terminal, the receiving terminal set up in the one end of axis body, first spacing portion set up in the axis body and with the receiving terminal interval sets up, the receiving terminal includes: the top plate is arranged at one end of the shaft body, the receiving plate is arranged on the top plate, a connecting block is arranged between the side surface of the receiving plate and the top surface of the top plate, and the top surface of the connecting block is an inclined surface or an arc surface;

the second receiving part is provided with a limiting space which is opened towards the first limiting part, part of the first receiving part is rotatably matched in the second receiving part, and the first limiting part is arranged in the limiting space and drives the second receiving part to synchronously rotate after rotating in the circumferential direction by a preset angle;

the elastic component, the elastic component cover is located first piece of receiving, the both ends of elastic component set up respectively in first piece of receiving with the second piece of receiving to produce circumference return elasticity, first spacing portion is provided with the open slot of radial extension, the one end of elastic component stretches into in the open slot.

2. The power receiving device according to claim 1, wherein the first position limiting portion has a first limit position and a second limit position in the position limiting space, the first limit position and the second limit position are located in the same plane, when the first position limiting portion is located at the first limit position, the first position limiting portion abuts against a first side of the position limiting space and drives the second receiving member to rotate synchronously, and when the first position limiting portion is located at the second limit position, the first position limiting portion abuts against a second side of the position limiting space opposite to the first side.

3. The power receiving device according to claim 2, wherein the second receiving member includes a housing and a second limit portion, the second limit portion is provided at an inner periphery of the housing, the housing and the second limit portion respectively constitute an outer peripheral wall and a circumferential side wall of the limit space, the first limit portion abuts against a side wall of the second limit portion when the first limit portion is located at the first limit position, and the first limit portion abuts against the other side wall of the second limit portion or a side wall of the other second limit portion when the first limit portion is located at the second limit position.

4. The power receiving device according to claim 3, wherein the number of the second limit portions is at least two, at least two of the second limit portions are provided at intervals on an inner periphery of the housing, and the two circumferentially adjacent second limit portions and a part of the housing define the limit space.

5. The power receiving device according to claim 4, wherein the number of the first position limiting portions is at least two, at least two of the first position limiting portions are provided at intervals in a circumferential direction of the first receiving member, and each of the first position limiting portions is located in the position limiting space between two of the second position limiting portions.

6. The power receiving device according to claim 3, wherein a side wall of the first stopper portion and a side wall of the second stopper portion are both flat.

7. The power receiving device according to claim 3, wherein the outer peripheral wall of the first stopper portion is an arc surface, and a radial gap is provided between the outer peripheral wall of the first stopper portion and the housing.

8. The power receiving device according to claim 3, wherein the second receiving member further includes: and the third limiting part is arranged on the inner periphery of the shell and is used for axially stopping against the first limiting part.

9. The power receiving device according to claim 8, wherein the second stopper portion is provided on a side of the third stopper portion toward the first stopper portion.

10. The power receiving device of claim 1, wherein the inner end surface of the receiving plate is a receiving surface for interfacing with a power shaft, the receiving surface being planar.

11. The power receiving device of claim 1, further comprising: and the limiting part is arranged at the other end of the shaft body.

12. The power receiving device according to claim 11, wherein the stopper is a pin, and the other end of the shaft body is provided with a pin hole through which the pin is inserted.

13. The power receiving device of claim 1, wherein the resilient member comprises a torsion spring.

14. An imaging cartridge, comprising:

a main body;

the power receiving device of any one of claims 1-13, the second receiving member of the power receiving device being secured to an axial side of the main body.

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