Developing box

Abstract

The utility model discloses a developing box, which is detachably arranged on an imaging device with an electric connection point, and comprises a shell, a developing box body, a driving device and a driving device, a developing roller rotatable about a developing roller axis extending in a left-right direction, the developing roller being supported on a front side in a front-rear direction of the housing, the front-rear direction crossing the left-right direction; a driving gear disposed on a left side of the housing in the left-right direction; the chip is arranged on the left side of the shell in the left-right direction, and the chip is provided with a chip terminal; and the electric contact piece is provided with an electric contact part, the electric contact part can be in contact with the electric connection point, the electric contact part is electrically connected with the chip terminal, and the electric contact part can move relative to the chip terminal.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic photographic imaging, in particular to a developing box. Background Art

[0002] A developer cartridge is a box that stores developer. After the developer in the developer cartridge is exhausted, the user can purchase a new developer cartridge and replace it by himself without the help of professionals. This simple method is favored by more and more users, and the developer cartridge can be combined with the drum cartridge and can be detachably installed in the imaging device as a whole.

[0003] The prior art discloses a developing box, which includes a shell that can accommodate a developer, a retainer arranged at one side end of the shell, and a chip supported on the retainer. The chip stores information such as the model of the developing box and whether the developing box is new or old. The chip can be electrically contacted with an imaging device to establish a communication connection with the imaging device. However, the retainer can move within a limited range and stroke relative to the shell, and the chip supported on the retainer will also move with the movement of the retainer, which will make the electrical connection between the chip and the imaging device unstable and there is a probability of disconnection. Therefore, these situations are obviously not what manufacturers and users want to see. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a new processing box, which is mainly achieved through the following technical solutions:

[0005] A developing box is detachably mounted on an imaging device having an electrical connection point, the developing box comprising:

[0006] A housing, capable of accommodating a developer;

[0007] a developing roller rotatable about a developing roller axis extending in a left-right direction, the developing roller being supported at a front side of the housing in a front-to-rear direction, the front-to-rear direction intersecting the left-to-right direction;

[0008] A driving gear, arranged on the left side of the housing in the left-right direction;

[0009] The developing box also includes:

[0010] A chip, arranged on the left side of the housing in the left-right direction, the chip having a chip terminal;

[0011] The electrical contact has an electrical contact portion, the electrical contact portion can contact the electrical connection point, the electrical contact portion is electrically connected to the chip terminal, and the electrical contact portion can move relative to the chip terminal.

[0012] Further, the electrical contact portion is disposed on the left side of the housing in the left-right direction, and the electrical contact portion is disposed on the front side of the housing in the front-rear direction.

[0013] Further, the electrical contact also includes an electrical connection portion and a front guide portion, the electrical connection portion contacts the chip terminal, and the front guide portion is connected between the electrical connection portion and the electrical contact portion.

[0014] Furthermore, the electrical contact also includes a rear guide portion, which is formed by extending from the electrical contact portion and is arranged to be inclined relative to the front-rear direction.

[0015] Furthermore, it also includes an electrical connection portion for connecting to the chip terminal, and an elastic member, wherein the elastic member is located between the electrical contact portion and the electrical connection portion in an up-down direction intersecting the left-right direction.

[0016] Furthermore, the developing box also includes a chip frame for supporting the electrical contact, the chip frame is provided with a mounting groove for accommodating the chip; a hole is provided above the mounting groove and penetrates to the top of the chip frame; at least part of the electrical contact part is located in the hole.

[0017] Further, at least a portion of the electrical connection portion is located in the hole.

[0018] Further, the elastic portion is located between the electrical contact portion and the electrical connecting portion in the up-down direction, so that the electrical contact portion can move relative to the electrical connecting portion.

[0019] Furthermore, the electrical contact, the electrical connecting portion and the elastic member are all made of conductive materials.

[0020] Furthermore, the minimum deformation of the elastic member in the up-down direction is not less than 1 mm.

[0021] The developing box in the utility model fixes the chip frame on the shell so that the position of the retainer relative to the shell will not change, thereby avoiding the problem of the chip supported thereon being disconnected from the electrical contacts of the imaging device due to shaking, thereby improving the stability of the electrical connection between the chip and the electrical contacts, and further improving the stability of the electrical connection between the chip and the electrical contacts by arranging the electrical contact surface to be in elastic contact with the electrical contacts. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of a developing box in Embodiment 1 of the present utility model at a certain angle;

[0023] Figure 2It is another angle schematic diagram of the developing box in Embodiment 1 of the utility model;

[0024] Figure 3 It is a three-dimensional schematic diagram of the left side of the developing box in Embodiment 1 of the present utility model;

[0025] Figure 4 It is a three-dimensional schematic diagram of the right side of the developing box in Embodiment 1 of the present utility model;

[0026] Figure 5 It is a partially exploded schematic diagram of the left side of the developing box in Embodiment 1 of the present utility model;

[0027] Figure 6 It is another partially exploded schematic diagram of the left side of the developing box in Embodiment 1 of the present utility model;

[0028] Figure 7 This is another angled schematic diagram of the developing box in Embodiment 1 of the utility model;

[0029] Figure 8 It is a three-dimensional structural schematic diagram of the developing box in Embodiment 2 of the present utility model;

[0030] Fig. 9 It is a three-dimensional structural schematic diagram of another angle of the developing box in Embodiment 2 of the utility model;

[0031] Fig.10 It is a side cross-sectional schematic diagram in the vertical direction of the developing cartridge in Embodiment 2 of the utility model;

[0032] Fig.11 It is a partial exploded view of the left end portion of the developing cartridge in Embodiment 2 of the present utility model;

[0033] Fig.12 It is a three-dimensional schematic diagram of the end cover in Example 2 of the utility model;

[0034] Fig.13 It is a partial cross-sectional schematic diagram in the vertical direction of the end cover in the disassembled state in Example 2 of the utility model;

[0035] Fig.14 It is a partial cross-sectional schematic diagram of the end cover in the vertical direction in Embodiment 2 of the utility model;

[0036] Fig.15 In the utility model embodiment 2 Fig.14 A in the enlarged view;

[0037] Fig.16 It is a partial cross-sectional schematic diagram of the electrical contact surface and the end cover in the vertical direction in the electrically connected state in Embodiment 2 of the utility model;

[0038] Fig.17It is a partial side cross-sectional schematic diagram of the end cover in the vertical direction in Embodiment 2 of the utility model;

[0039] Fig.18 It is a partial side sectional schematic diagram in the vertical direction of the end cover in Example 2 of the utility model. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical scheme and technical effect of the embodiment of the utility model clearer, the technical scheme of the processing box of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is only a preferred embodiment of the utility model, not all embodiments. Based on the embodiment of the utility model, other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0041] Example 1

[0042] like Figure 1-7As shown, a developing box 100 in an embodiment of the utility model is shown. The developing box 100 can be detachably installed in the drum box. The two can be installed in the imaging device as a whole. With the cooperation of the two, the printing task can be performed. The developing box 100 includes a shell 101, which includes a shell body 101a that can accommodate the developer and a detachable cover 101b installed on the left side of the shell body 101a. The cover 101b can cover the gear system of the developing box 100. The gear system of the developing box 100 includes but is not limited to a driving gear 111, a developing roller gear 112, a stirring frame gear 113, a powder feeding roller gear 114 and a counting gear 115. The driving gear 111 is arranged at the left end of the shell 101, can be coupled with the imaging device and receive the driving force from the imaging device, and can be engaged with the developing roller gear 112 and the powder feeding roller gear 114. The driving gear 111 can drive the developing roller gear 112 and the powder feeding roller gear 114 to rotate, and the stirring frame gear 113 can receive the driving force of the driving gear 111 through the idler gear 116 and rotate. The developer box 100 also includes a stirring frame, a powder feeding roller and a developing roller 102 supported on the shell 101, and the left ends thereof are respectively connected to a stirring frame gear 113, a powder feeding roller gear 114 and a developing roller gear 112, and each gear can respectively drive the stirring frame, the powder feeding roller and the developing roller 102 to rotate around their respective axes extending in the left-right direction, and the developing roller 102 is arranged at the front end of the shell 101 in the front-to-back direction. When the developer box 100 is installed in the drum box 1, the developing roller 102 of the developer box 100 keeps in contact with the photosensitive drum of the drum box 1. In the specific working process of the developer box 100, the rotating stirring frame can stir the developer located in the shell body 101a and transport the developer to the powder feeding roller. The powder feeding roller transports the developer to the developing roller 102 while rotating, and then The developing roller 102 can transport the developer carried on it to the photosensitive drum by contacting with the photosensitive drum to develop the electrostatic latent image on the photosensitive drum. The counting gear 115 is engaged with the stirring frame gear 113 and can rotate with the stirring frame gear 113. In this embodiment, the counting gear 115 is constructed as a half-tooth gear; the developing box 100 also includes a connecting rod 103 and a toggle protrusion 104. The connecting rod 103 spans the left and right sides of the developing box in the left and right directions. The toggle protrusion 104 is arranged on the right side of the connecting rod 103, and the toggle protrusion 104 is arranged on the right side of the shell. The connecting rod 103 can move in the left and right directions under the drive of the counting gear 115 and drive the toggle protrusion 104 to move in the left and right directions. The toggle protrusion 104 can toggle the counting device of the imaging device to complete the counting. The developing box 100 is also provided with an electrode 105, which includes an electrode electrical contact surface 105a arranged at the right end of the developing box 100, and the electrode electrical contact surface 105a can be electrically connected to the power supply component of the imaging device. The electrode 105 can supply power to the developing roller 102 and the powder feeding roller through the electrical connection between the electrode electrical contact surface 105a and the power supply component to ensure that the developer can be stably transported.

[0043] like Figure 6-7 As shown, the developer box 100 also includes a chip rack 20, which is formed by extending from the left end of the shell 101 in the left-right direction. Specifically, the chip rack 20 is formed by extending from the outer side of the protective cover from right to left. In other optional embodiments, the chip rack 20 can be formed by extending from the left end of the shell body 101a to the left. The chip rack 20 includes a main body 21, a connecting portion 22, a chip mounting groove 23 and a positioning protrusion 24. The connecting portion 22 is connected between the main body 21 and the protective cover 101b. The connecting portion 22 extends in the left-right direction, that is, the main body 21, the connecting portion 22 and the protective cover 101b are arranged in sequence from left to right. The upper surface of the main body 21 is concave downward to form a chip mounting groove 23. The chip 30 is installed in the chip mounting groove 23. The chip 30 includes an electrically connected electrical contact surface 31a and a storage portion (not shown). The electrical contact surface 31a of the chip 30 can be electrically connected to the electrical contact of the imaging device, and the storage portion stores the developer box 10. 0, which is electrically connected to the electrical contact surface 31a. When the developer cartridge 100 is installed in the drum cartridge, the developer cartridge 100 can read the information in the storage unit through the electrical connection between the chip electrical contact surface 31a and the electrical contact of the imaging device, thereby establishing a communication connection with the imaging device, thereby judging the model, newness, maximum number of pages, etc. of the developer cartridge 100. When the developer in the developer cartridge 100 is about to be consumed, the imaging device can prompt the user to replace the new developer cartridge 100 through the operation panel. The upper surface of the connecting portion 22 extends upward to form a positioning protrusion 24, which is arranged corresponding to the concave portion of the imaging device, and is used to guide the installation of the developer cartridge 100 and limit the position of the chip holder 20. A limiting groove 25 is also formed between the main body 21 and the positioning protrusion 24, and the limiting groove 25 is arranged corresponding to the protrusion of the imaging device. It is understandable that the chip frame 20 can also be set as a separate structure from the shell 101, and the chip frame 20 can be fixed to the left side of the shell 101 by a snap or screw structure to facilitate the disassembly, replacement and upgrading of the chip 30.

[0044] like Figure 2 As shown, the chip 30 and the electrical contact surface 31a are closer to the rear side of the shell 101 relative to the front side of the shell 101 in the front-to-back direction, and the chip 30 and the electrical contact surface 31a are closer to the left side of the shell 101 relative to the right side of the shell 101 in the left-to-right direction. The chip 30 is arranged away from the electrode 105 in both the front-to-back direction and the left-to-right direction, thereby reducing the risk of interference of the electrical connection of the electrode 105 with the communication of the chip 30.

[0045] like Figure 6-7As shown, the chip 30 includes a substrate 32 and an electrical contact 31, the electrical contact 31 includes an electrical contact surface 31a, an electrical connection portion 31b, a front guide portion 31c and a rear guide portion 31d, the electrical connection portion 31b is arranged on the substrate 32, and is electrically connected to the storage portion, the electrical contact surface 31a is formed by bending and extending from the electrical connection portion 31b, in a free state, the electrical contact surface 31a is located above the electrical connection portion 31b, and the electrical contact surface 31a and the electrical connection portion 31b are arranged roughly in parallel, in a contact state, the electrical contact surface 31a contacts the imaging device, the electrical contact 31 will deform to adapt to the contact error between the imaging device and the developing box 100, and ensure the stable electrical connection between the chip 30 and the imaging device, that is, the elastic deformation of the electrical contact 31 allows the electrical contact surface to be relatively stable in the up and down directions relative to the shell. The front guide portion 31c is connected between the electrical connection portion 31b and the electrical contact surface 31a, and the front guide portion 31c is arranged at the front end position of the chip 30, and is arranged to extend backward with respect to the front-to-back direction. When the developer box 100 is installed in the imaging device, the installation of the chip 30 is guided to prevent the electrical contact 31 from excessively interfering with the components in the imaging device and causing damage to the electrical contact 31. The rear guide portion 31d is arranged at the rear end position of the chip 30, and the rear guide portion 31d is formed by extending forward with respect to the front-to-back direction from the electrical contact surface 31a. When the developer box 100 is taken out of the imaging device, the removal of the chip 30 is guided to prevent the electrical contact 31 from excessively interfering with the components in the imaging device and causing damage to the electrical contact 31.

[0046] The position of the developing box in the utility model does not change relative to the shell through the chip frame, which avoids the problem of disconnection between the chip supported thereon and the electrical contacts of the imaging device due to shaking, thereby improving the stability of the electrical connection between the chip and the electrical contacts, and further improving the stability of the electrical connection between the chip and the electrical contacts by arranging the electrical contact surface of the chip to be in elastic contact with the electrical contacts.

[0047] Example 2

[0048] In the following description, when referring to the direction of the developing box 100, the axial direction of the developing roller 120 is taken as the first direction (left-right direction), and the end cover 101b is located on the left side of the developing roller 120; the second direction (front-back direction) is defined as the arrangement direction of the developing roller axis and the stirring frame axis, and the developing roller 120 is located on the front side of the stirring frame 140; the third direction (up-down direction) is the direction intersecting the first direction and the second direction; preferably, the up-down direction is a direction orthogonal to the left-right direction and the up-down direction.

[0049] like Figure 1-3As shown, a developing box 100 according to an embodiment of the utility model is shown, which can be installed in an electronic photographic imaging device (hereinafter referred to as "imaging device") in a detachable manner to cooperate with the imaging device to complete the imaging operation; the interior of the imaging device includes a guide rail 11 for providing an installation guide for the developing box 100 and an electrical contact point 12 that establishes an electrical connection with the developing box 100. The developing box 100 includes a shell 101 as a main body, and the shell 101 includes a left side and a right side separated from each other in the left-right direction, a front side and a rear side separated from each other in the front-to-back direction, and a top and a bottom separated from each other in the up-down direction. The shell 101 includes a shell body 101a for accommodating a developer, and an end cover 101b detachably installed on the left side of the shell body 101a in the left-right direction; the shell body 101a includes a handle for the user to hold; the end cover 101b can cover the gear train located on one side of the shell body 101a. Preferably, in the present embodiment, the above-mentioned gear train and the end cover 101b are located on the left side of the shell body 101a in the left-right direction. As shown Figure 4 As shown, the gear system includes but is not limited to a coupling 150 for receiving a driving force from the imaging device, a developing roller gear 121, a powder feeding roller gear 131, a stirring frame gear 141 and a counting gear 171; the coupling 150 can be engaged with the developing roller gear 121 and the powder feeding roller gear 131 to drive the developing roller gear 121 and the powder feeding roller gear 131 to rotate; the coupling 150 is engaged with the stirring frame gear 141 through the idler gear 151, so that the coupling 150 drives the stirring frame gear 141 to rotate through the idler gear 151; the stirring frame gear 141 can be engaged with the counting gear 171, so that the stirring frame gear 141 can drive the counting gear 171 to rotate. The developer box 100 also includes a developer roller 120, a powder feeding roller 130 and a stirring frame 140. The left ends of the developer roller 120, the powder feeding roller 130 and the stirring frame 140 are respectively connected to the developer roller gear 121, the powder feeding roller gear 131 and the stirring frame gear 141. Each gear drives the developer roller 120, the powder feeding roller 130 and the stirring frame 140 to rotate along their respective axes extending in the left and right directions; the developer roller 120 is arranged on the front side of the housing 101 in the front-to-back direction. When the developer box 100 is installed on the drum box 50, , the developing roller 120 contacts the photosensitive drum 52 in the drum box 50; when the coupling 150 receives the driving force of the imaging device, the coupling 150 drives the developing roller 120, the powder feeding roller 130 and the stirring frame 140 to rotate respectively; the stirring frame 140 is used to stir the developer inside the shell 101 and transport the developer to the powder feeding roller 130, and the powder feeding roller 130 then transports the developer to the developing roller 120, and the developer carried on the developing roller 120 is transferred to the photosensitive drum to develop the electrostatic latent image on the photosensitive drum 52.

[0050] The counting gear 171 is meshed with the stirring frame gear 141 and can rotate with the stirring frame gear 141. In this embodiment, the counting gear 171 is constructed as a half-tooth gear; the developing box 100 also includes a transmission rod 172 and a toggle protrusion 170. The transmission rod 172 spans the left and right sides of the developing box 100 in the left and right directions. The toggle protrusion 170 is arranged on the right side of the transmission rod 172, and the toggle protrusion 170 is arranged on the upper right side of the shell 101. The transmission rod 172 can move in the left and right directions under the drive of the counting gear 171 and drive the toggle protrusion 170 to move in the left and right directions. The toggle protrusion 170 can toggle the counting device of the imaging device to complete the counting.

[0051] The developing box 100 is also provided with an electrode 160, which includes an electrical contact portion arranged on the right side of the developing box 100, and the electrical contact portion can be electrically connected to the power supply component of the imaging device. The electrode 160 can supply power to the developing roller 120 and the powder feeding roller 130 through the electrical connection between the electrical contact portion and the power supply component to ensure that the developer can be stably transported.

[0052] like Figure 4-5 As shown, the developing box 100 also includes a chip rack 200, which extends outward from the left end of the shell 100 in the left-right direction. In the front-back direction, the distance between the chip rack 200 and the handle is smaller than the distance between the chip rack 200 and the developing roller 120. Specifically, in the present embodiment, the chip rack 200 can extend from the left side of the end cover 101b from right to left; in other embodiments, the chip rack 200 can also extend from the left side of the shell body 101a from right to left. The chip frame 200 includes a main body 210, a connecting portion 220, a chip mounting groove 230, a positioning protrusion 240 and a mounting hole 250; the connecting portion 220 is connected between the main body 210 and the end cover 101b, and the connecting portion 220 extends in the left and right directions, that is, the main body 210, the connecting portion 220 and the end cover 101b are arranged in sequence from left to right, and the left side of the main body 210 is recessed inward to form a chip mounting groove 230, and the chip 300 is installed in the chip mounting groove 230, and the mounting hole 250 penetrates upward from the inside of the chip mounting groove 230 to the top of the main body 210.

[0053] like Figure 6-10As shown, the chip 300 includes an electrical contact surface 310 and a storage portion (not shown). In the front-to-back direction, the electrical contact surface 310 is closer to the rear side than the front side. The electrical contact surface 310 can be electrically connected to the electrical contact point 12 of the imaging device, so that the developer box 100 establishes a communication connection with the imaging device. The storage portion is used to record information such as the model, newness, and page yield of the developer box 100. The storage portion is electrically connected to the electrical contact surface 310. When the developer box 100 is installed to the imaging device, the storage portion establishes an electrical connection with the imaging device through the electrical contact surface 310 and the electrical contact point 12, so that the developer box 100 establishes a communication connection with the imaging device, thereby reading the information of the developer box 100. When the developer in the developer box 100 is about to be exhausted, the imaging device can prompt the user to replace the new developer box 100 through the operation panel. A positioning protrusion 240 is protrudingly provided on the upper surface of the connecting portion 220. The positioning protrusion 240 is provided corresponding to the guide recess of the imaging device, and is used to guide the installation of the developing box 100 and limit the position of the chip holder 200. A limiting groove 260 is also formed between the main body 21 and the positioning protrusion 240. The limiting groove 260 is provided corresponding to the protrusion of the imaging device. It can be understood that the chip holder 200 can also be provided as a separate structure with the housing 101. The chip holder 200 can be fixed to the left side of the housing 101 by a buckle or screw structure, so as to facilitate the disassembly, assembly, replacement and upgrading of the chip 300.

[0054] There are multiple electrical contact surfaces 310, and the multiple electrical contact surfaces 310 are arranged in the front-to-back direction. In order to make the connection between the electrical contact surface 310 and the electrical contact point 12 more stable, the developing box 100 also includes a connecting component that can move relative to the electrical contact surface 310, such as Figure 8-10As shown, in this embodiment, the connection assembly is composed of a probe 271, a connector 272 and an elastic member 273 arranged inside the mounting hole 250. The probe 271, the connector 272 and the elastic member 273 are located inside the mounting hole 250. Specifically, the probe 271, the connector 272 and the elastic member 273 are arranged from top to bottom in the up and down direction. The probe 271 includes a contact portion 271a and a limiting portion 271b. The elastic member 273 is located between the probe 271 and the connector 272 and contacts the probe 271 and the connector 272 respectively. The mounting hole 250 includes a contact portion 271a and a limiting portion 271b. The elastic member 273 is located between the probe 271 and the connector 272 and contacts the probe 271 and the connector 272 respectively. The first hole 251 and the second hole 252 are included, the diameter of the first hole 251 is larger than that of the second hole 252, and in the up and down direction, the first hole 251 is located below the second hole 252, the limiting portion 271b of the probe 271, the connector 272 and the elastic member 273 are located in the first hole 251, the contact portion 271 of the probe 271 passes through the second hole 252 to the top of the chip frame 200, the connector 272 passes through the inside of the chip mounting groove 230 and contacts with the electrical contact surface 310; the probe 271, the connector 272 and the elastic member 273 are all made of conductive materials. When the developer box 100 is installed on the imaging device, the connector 272 contacts the contact surface 310, and at the same time, the elastic member 273 pushes the probe 271 to slide in the up and down directions along the hole wall inside the first hole 521 and the second hole 252, so that the top of the probe 271 contacts the electrical contact point 12. In this way, the electrical contact surface 310 forms an electrical connection with the electrical contact point 12 through the connector 272, the elastic member 273 and the probe 271 as conductors, so that a communication connection is established between the developer box 100 and the imaging device; preferably, the elastic member 273 is constructed as a spring, and when the distance between the electrical contact surface 310 and the electrical contact point 12 changes, the elastic member 273 can be stretched to a suitable length as needed, so as to adapt to the distance between the electrical contact surface 310 and the electrical contact point 12, so as to ensure that there is a stable electrical connection between the electrical contact surface 310 and the electrical contact point 12, thereby ensuring a stable communication connection between the developer box 100 and the imaging device.

[0055] The distance between the top of the main body 210 and the top of the probe 271 is L1. The value of L1 can change due to the elastic member 273 being able to expand and contract under force, and the value range of L1 is 1 to 5 mm. To ensure that the probe 271 obtains sufficient resilience, the minimum deformation of the elastic member 273 is greater than or equal to 1 mm, thereby ensuring that the probe 271 can contact the electrical contact point 12.

[0056] Optionally, the elastic member 273 may directly contact the electrical contact surface 310 and form an electrical connection to establish a communication connection between the developer box 100 and the imaging device; that is, in other embodiments, the connector 272 may be eliminated.

[0057] Optional, such as Fig.11 As shown, in other embodiments, the connecting component is constructed as an elastic steel sheet 280 that can move relative to the electrical contact surface 310, and the elastic steel sheet 280 includes a movable first end 281 and a second end 282 that contacts the electrical contact surface 310; the first end 281 is movable relative to the electrical contact surface 310; when the developing box 100 is installed to the imaging device, the first end 281 contacts the electrical contact point 12, so that the electrical contact surface 310 forms an electrical connection with the electrical contact point 12 through the elastic steel sheet 280, so that a communication connection is established between the developing box 100 and the imaging device.

[0058] The utility model is provided with a connecting component that can move relative to the electrical contact surface 310. When the developing box 100 is installed on the imaging device, the connecting component can move between the electrical contact surface 310 and the electrical contact point 12 of the imaging device, so that the electrical contact surface 310 and the electrical contact point 120 remain connected, so as to prevent the imaging device or the developing box 100 from having dimensional errors, which may cause deviations in the electrical connection between the developing box 100 and the imaging device.

[0059] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A developing box, detachably mounted on an imaging device having an electrical connection point, the developing box comprising: A housing for accommodating a developer; a developing roller rotatable about a developing roller axis extending in a left-right direction, the developing roller being supported at a front side of the housing in a front-to-rear direction, the front-to-rear direction intersecting the left-to-right direction; A driving gear, arranged on the left side of the housing in the left-right direction; Characterized in that the developing box also includes: A chip, arranged on the left side of the housing in the left-right direction, the chip having a chip terminal; The electrical contact has an electrical contact portion, the electrical contact portion can contact the electrical connection point, the electrical contact portion is electrically connected to the chip terminal, and the electrical contact portion can move relative to the chip terminal.

2. The developing cartridge according to claim 1, characterized in that: The electrical contact portion is disposed on the left side of the housing in the left-right direction, and the electrical contact portion is disposed on the front side of the housing in the front-rear direction.

3. The developing cartridge according to claim 1, characterized in that: The electrical contact also includes an electrical connection portion and a front guide portion, the electrical connection portion being in contact with the chip terminal, the front guide portion being connected between the electrical connection portion and the electrical contact portion.

4. The developing cartridge according to claim 1, wherein: The electrical contact further includes a rear guide portion extending from the electrical contact portion, and the rear guide portion is arranged obliquely with respect to the front-rear direction.

5. The developing cartridge according to claim 1, wherein: It also includes an electrical connection portion for connecting to the chip terminal, and an elastic member, wherein the elastic member is located between the electrical contact portion and the electrical connection portion in an up-down direction intersecting the left-right direction.

6. The developing cartridge according to claim 5, characterized in that: The developing box also includes a chip frame for supporting the electrical contact, the chip frame is provided with a mounting groove for accommodating the chip; a hole is provided above the mounting groove and penetrates to the top of the chip frame; at least part of the electrical contact part is located in the hole.

7. The developing cartridge according to claim 6, wherein: At least a portion of the electrical connection is located in the hole.

8. The developing cartridge according to claim 5, characterized in that: The elastic member is located between the electrical contact portion and the electrical connecting portion in the up-down direction, so that the electrical contact portion can move relative to the electrical connecting portion.

9. The developing cartridge according to claim 5, characterized in that: The electrical contact, the electrical connecting portion and the elastic member are all made of conductive materials.

10. The developing cartridge according to claim 5, characterized in that: The minimum deformation of the elastic member in the up-down direction is not less than 1 mm.

Images