Developing box

Abstract

The invention relates to a developing box, which comprises: a shell, which is enclosed to form a powder bin, the powder bin is used for storing carbon powder, and the longitudinal tail end of the powder bin is provided with a powder filling port for adding the carbon powder; the developing part is rotatably arranged on the shell and is used for supplying carbon powder to the outside; the end cover comprises a first end cover and a second end cover which can move relatively, the first end cover is detachably installed on the shell, and the second end cover is detachably installed on the shell or the first end cover; the chip assembly is used for establishing communication connection with the imaging equipment and comprises a chip frame used for installing a chip, and the chip frame is movably arranged relative to the first end cover and the second end cover; the driving force receiving part is used for receiving driving force to drive the developing part to rotate, and the driving force receiving part is fixed through the first end cover; at least one part of the powder filling port is shielded by the second end cover in the longitudinal direction of the developing box; according to the scheme, when carbon powder is added, the powder filling opening can be exposed only by disassembling the chip assembly and the second end cover, and the whole end cover does not need to be disassembled, so that efficiency is improved.

Description

[0001] This patent application of the present invention claims the priority of a prior application entitled “A Development Box” and having application number 202322949326.6 filed on October 31, 2023, and the entire contents of the prior application are cross-referenced in this application. Technical Field

[0002] The invention relates to the field of electronic photographic imaging, and in particular to a developing box detachably installed in an electronic photographic imaging device. Background Art

[0003] There is a developing box that can be detachably installed in an electronic photographic imaging device. The developing box includes components such as a shell, an end cover, and a developing member required for development, so as to perform the developing work; the developing box shell is used to accommodate carbon powder, and the developing box end cover is arranged at the longitudinal end of the developing box to support the developing box; the developing member is rotatably arranged inside the developing box shell; a powder filling port is also arranged on the developing box shell, and carbon powder can be added through the powder filling port.

[0004] Generally, after the toner in the developer cartridge is consumed, the end user only needs to open the toner filling port of the developer cartridge to add toner to the developer cartridge, and the toner can be continued to be used, thereby reducing the cost of use. In practice, if the toner filling port of the developer cartridge for adding toner is blocked by the developer cartridge end cover, the entire developer cartridge end cover needs to be removed to expose the toner filling port. Summary of the invention

[0005] The present invention provides a developing box and a developing box end cover to solve the technical problem of complicated assembly and disassembly of the developing box for adding carbon powder. The specific solution is:

[0006] A developing box, the developing box comprising: a shell, enclosing a powder bin, the powder bin is used to store carbon powder, and a powder filling port for adding carbon powder is provided at the longitudinal end of the powder bin; a developing member, rotatably arranged on the shell, and used to supply carbon powder to the outside; end covers, including a first end cover and a second end cover that are relatively movable, the first end cover is detachably mounted on the shell, and the second end cover is detachably mounted on the shell or the first end cover; a chip assembly, used to establish a communication connection with an imaging device, including a chip frame for mounting a chip, the chip frame being movably arranged relative to the first end cover and the second end cover; a driving force receiving member, used to receive a driving force to drive the developing member to rotate, the driving force receiving member being fixed by the first end cover; along the longitudinal direction of the developing box, at least a portion of the powder filling port is blocked by the second end cover.

[0007] The first end cover and the second end cover are separately provided.

[0008] The end cover also includes a connecting portion connecting the first end cover and the second end cover.

[0009] The first end cover is provided with a matched portion, and the second end cover is provided with a matching portion. When the second end cover is combined with the first end cover, the matching portion is combined with the matched portion.

[0010] When viewed along the longitudinal direction of the developing box, at least a portion of the powder filling port overlaps with the chip frame.

[0011] When observed along the longitudinal direction of the developer box, a portion of the outer contour of the powder filling port exceeds the second end cover.

[0012] Along the front-to-back direction, the driving force receiving member and the powder filling port / chip assembly are respectively located at two ends of the shell.

[0013] The chip assembly also includes a mounting frame, which is used to limit the chip frame from falling off. When observed along the longitudinal direction of the developer box, at least a portion of the powder filling port overlaps with the mounting frame.

[0014] The chip frame is provided with a first protrusion and a second protrusion, the second end cover is further provided with a groove, the mounting frame is provided with a coupling part, and the first protrusion and the second protrusion are movably matched with the groove and the coupling part respectively.

[0015] The chip frame is further provided with a third protrusion, and the first end cover is further provided with a slideway, and the third protrusion is movably matched with the slideway.

[0016] According to a specific embodiment of the present invention, the end cover is divided into a first end cover and a second end cover, and the second end cover is detachably mounted on the first end cover. In this way, when adding toner to the developing box, the steps of disassembling and assembling the developing box are simplified, and the use experience of the developing box is optimized. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional view of the developing box involved in the present invention.

[0018] Figure 2 It is a partial exploded view of the developing box involved in the present invention.

[0019] Figure 3 The present invention is a front view of the developer box end cover after hiding the chip assembly.

[0020] Figure 4 The present invention discloses an exploded view of a developer box after an end cover of the developer box hides a chip component. DETAILED DESCRIPTION

[0021] The following describes the embodiments of the present invention in detail with reference to the accompanying drawings. To make the description more accurate, first, Figure 1The various directions involved in the present invention are defined based on the posture of the developing box A being installed. The developing box A has a left-right direction parallel to the length direction / longitudinal direction, a front-to-back direction parallel to the width direction / transverse direction, and an up-down direction parallel to the height direction / vertical direction. The developing box A is installed forward along the front-to-back direction and taken out backward; the front-to-back direction, the up-to-down direction, and the left-to-right direction intersect with each other. Preferably, the front-to-back direction, the up-to-down direction, and the left-to-right direction are perpendicular to each other.

[0022] Figure 1 It is a three-dimensional view of the developing box involved in the present invention.

[0023] like Figure 1 As shown, the developing box A can be directly installed in the electronic photographic imaging device in a detachable manner, or it can be first installed on the drum frame and then the two can be installed together in the electronic photographic imaging device. The developing box A includes: a shell 1, a developing member 2, a powder bin 3, a chip assembly 4, an end cover 5 and a driving force receiving member 6; the shell 1 is used to contain toner; the developing member 2 is rotatably arranged on the shell 1, and the developing member 2 is used to supply toner to the outside; the powder bin 3 is a cavity formed by the shell 1 for containing toner; the chip assembly 4 is directly or indirectly installed on the end cover 5, and is used to establish a communication connection with the electronic photographic imaging device; the driving force receiving member 6 is used to receive a driving force from the electronic photographic imaging device to drive the developing member 2 around the axis L1 (such as Figure 2 The end cover 5 is connected to the shell 1, and preferably, the end cover 5 is fixed on the outside of the shell 1; the powder bin 3 has at least one powder filling port 31, and when viewed in the longitudinal direction, at least a part of the powder filling port 31 is blocked by the chip assembly 4; along the front-to-back direction, the driving force receiving member 6 and the powder filling port 31 / chip assembly 4 / chip are respectively located at both ends of the shell 1.

[0024] The end where the driving force receiving member 6 is located in the longitudinal direction is defined as the driving end, and the end opposite to the driving end is defined as the conductive end; further, the driving end is located on the left side of the developing box A, and the conductive end is located on the right side of the developing box A; in the height direction of the developing box A, the gravity direction of the developing box is defined as the bottom of the developing box A, and the direction opposite to the bottom is defined as the top of the developing box A.

[0025] Figure 2 It is a partial exploded view of the developing box involved in the present invention.

[0026] like Figure 2As shown, as an optional manner, the chip assembly 4 provided in this embodiment is arranged at the driving end of the developer box A; the end cover 5 includes a first end cover 51 and a second end cover 52; the second end cover 52 is mounted on at least one of the shell body 1 and the first end cover 51 in a detachable manner, that is, the second end cover 52 is movably arranged relative to the shell body 1 or the first end cover 51, for example, the second end cover 52 is separated from the first end cover 51, or the second end cover 52 is connected to the first end cover 51 by a flexible member.

[0027] The first end cover 51 includes: a slide 51a that cooperates with the chip rack 42 described below, and a mounting portion that cooperates with the mounting frame 43 described below; along the left and right directions, the slide 51a is recessed from the surface away from the shell 1 to the surface close to the shell 1; the chip assembly 4 includes: a chip rack 42 and a mounting frame 43; the chip rack 42 is used to install at least a part of the chip, and the chip can be fixed on the chip rack 42 and move with the chip rack 42 as a whole, or can be arranged on the chip rack 42 in a movable manner relative to the chip rack 42. Furthermore, the chip has an electrical contact portion for electrically contacting a contact pin in an electronic photographic imaging device. In some embodiments, only the electrical contact portion is arranged on the chip rack 42, or in other words, only the electrical contact portion is installed on the chip rack 42. At this time, only the electrical contact portion will move with the chip rack 42.

[0028] The chip rack 42 includes a fixed end 42a and a column 42b, wherein the fixed end 42a is arranged above the chip rack 42, and the column 42b is connected below the fixed end 42a, and a first mounted portion is arranged on the column 42b to cooperate with at least one of the first end cover 51 and the mounting frame 43. In one embodiment, the first mounted portion is arranged as a protrusion, and the protrusion includes a first protrusion 421, a second protrusion 422, and a third protrusion 423, and the first protrusion 421 and the third protrusion 423 extend to the right from the column 42b, and the third protrusion 423 is used to cooperate with the slide 51a arranged on the first end cover 51, and the chip rack 42 can slide along the slide 51a; the second protrusion 422 extends to the left from the column 42b, and is used to cooperate with the following joint portion 43a; the first protrusion 421 is arranged above the third protrusion 423, and is used to cooperate with the second end cover 52. The mounting frame 43 includes a second mounted portion and a coupling portion 43a; the mounting frame 43 is fixed to the first end cover 51 or the shell 1 through the second mounted portion, so as to limit the chip frame 42 from falling off the end cover 5; preferably, the mounting portion and the second mounted portion can be matched by a clamping combination, a threaded combination or the like; in the present embodiment, the mounting portion is provided as a mounting hole 51b and a clamping portion 51c, and the second mounted portion is provided as a clamping portion 43b. When assembling the mounting frame 43, the clamping portion 43b is first combined with the clamping portion 51c on the first end cover for pre-positioning, and then the mounting frame 43 is fixed to the mounting hole 51b by screws, so that the mounting frame 43 is detachably arranged; preferably, there is a coupling portion 43a on the mounting frame 43 that is consistent with the shape of the slide 51a, and the second protrusion 422 enters the coupling portion 43a and movably cooperates with the coupling portion 43a. Optionally, the coupling portion 43a is provided as a through hole. In order to reduce the size of the developer box A, in the left and right direction, at least a portion of the powder filling port 31 overlaps with the chip assembly 4. Specifically, at least a portion of the powder filling port 31 overlaps with the chip frame 42 in the chip assembly 4, or at least a portion of the powder filling port 31 overlaps with the mounting frame 43 in the chip assembly 4.

[0029] In some embodiments, the slideway 51 a may also be disposed on the second end cover 52 .

[0030] In some embodiments, the second end cover 52 is configured to be formed separately from the first end cover 51, and the second end cover 52 with the matching groove 52a can be replaced according to the model of the electronic photographic imaging device or the range of movement required by the chip frame 42, thereby improving the applicable range of the developing box A. Further, since the first protrusion 421 is arranged above the third protrusion 423, and Figure 2The first protrusion 421 shown is also arranged above the second protrusion 422, which indicates that the chip rack 42 can rotate around the second protrusion 422 and the third protrusion 423; the rotation range of the chip rack 42 is determined by the groove 52a arranged in the second end cover 52, therefore, the movement range of the chip rack 42 can be limited by changing the shape or structure of the groove 52a.

[0031] Figure 3 It is a front view of the developer box end cover of the present invention after the chip assembly is hidden; Figure 4 The present invention discloses an exploded view of a developer box after an end cover of the developer box hides a chip component.

[0032] like Figure 3 and Figure 4 As shown, a powder filling port 31 is provided at the longitudinal end of the shell 1 enclosing the powder bin 3, and the powder filling port 31 is communicated with the interior of the powder bin 3 and the exterior of the powder bin 3, so as to allow a user to add carbon powder to the interior of the powder bin 3; the developer box A is also provided with a sealing cover 32, which is arranged at the powder filling port 31 and is used to seal the powder filling port 31; the first end cover 51 and the second end cover 52 on the end cover 5 are separately arranged, and the second end cover 52 is provided with a matching portion 52d, and the first end cover 51 is provided with a matched portion 51d. When the second end cover 52 is combined with the first end cover 51, the matching portion 52d is combined with the matched portion 51d, and the matching portion 52d and the matched portion 51d can be provided as one or more; in the longitudinal direction, the second end cover 52 is arranged on the left side of the powder filling port 31, partially or completely blocking the powder filling port 31, that is, at least a portion of the powder filling port 31 overlaps with at least a portion of the second end cover 52, and at the same time, the second end cover 52 partially or completely blocks the sealing cover 32, as shown in FIG. Figure 3 As shown, when observed in the longitudinal direction, a portion of the outer contour of the powder filling port 31 exceeds the second end cover 52, which can protect the second end cover 52, and there is no need to set up a separate component for protecting the second end cover 52; in the longitudinal direction, the second end cover 52 is adjacent to the powder filling port 31 / sealing cover 32. In this embodiment, since the powder filling port 31 and the sealing cover 32 are arranged at the driving end, when the driving force receiving member 6 receives the driving force, the vibration amplitude of the driving end is larger, and the second end cover 52 is adjacent to the powder filling port 31 / sealing cover 32, which is beneficial to prevent the sealing cover 32 from detaching from the powder filling port 31 due to vibration, avoiding carbon powder leakage, thereby ensuring the sealing of the sealing cover 32.

[0033] The second end cover 52 is combined with the chip frame 42 . Specifically, the second end cover 52 is provided with an inwardly recessed groove 52 a . The groove 52 a is used to cooperate with the first protrusion 421 on the chip frame 42 to support the chip frame 42 and limit the movement range of the chip frame 42 .

[0034] Preferably, in some embodiments, the mating portion 52d and the mated portion 51d are configured to be snap-fitted; the mating portion 52d is formed to protrude from the second end cover 52 body, and the mating portion 52d is disposed on the second end cover 52 body; the mated portion 51d is configured as a groove for mating with the mating portion 52d; at the same time, the mating structure including the mating portion 52d and the mated portion 51d also plays a positioning role in the installation of the second end cover 52.

[0035] Preferably, in some embodiments, the matching structure between the first end cover 51 and the second end cover 52 can also be configured as a snap fit, screw fixation, nested fit, provision of a plug-in slot, or other matching modes.

[0036] Preferably, in some embodiments, a guiding portion 51e is provided on the first end cover 51, and a guided portion 52e is provided on the second end cover 52, and the guiding portion 51e and the guided portion 52e cooperate with each other to guide the assembly of the second end cover 52; the guiding portion 51e and the guided portion 52e can be provided as one or more; as an optional manner, the guiding portion 51e and the guided portion 52e provided in this embodiment are provided as mutually cooperating columnar protrusions; Figure 4 As shown, the guide portion 51e is arranged on the inner side wall of the shell of the first end cover 51, and is specifically arranged as a rib formed by the shell protruding at the combination position of the first end cover 51 and the second end cover 52; the guided portion 52e is arranged on the second end cover 52, and extends from the surface of the second end cover 52 to the right direction; preferably, the guided portion 52e and the guide portion 51e are plugged and matched; when installing the second end cover 52, the lower surface of the guided portion 52e abuts against the upper surface position of the guide portion 51e to position the second end cover 52; the second end cover 52 is pushed along the extension direction of the guide portion 51e toward the direction close to the powder filling port 31, and the second end cover 52 can be quickly installed. At the same time, the outer contour of the left surface of the second end cover 51 is polygonal, which also plays a guiding role in quickly determining the installation direction of the second end cover 51.

[0037] Preferably, in some embodiments, the second end cover 52 may also be directly and detachably mounted on the housing 1 .

[0038] Preferably, in some embodiments, the end cover 5 also includes a connecting portion, which is connected between the first end cover 51 and the second end cover 52 to connect the first end cover 51 and the second end cover 52 as a whole; preferably, the connecting portion can be deformed after being subjected to force, so that the second end cover 52 can move relative to the first end cover 51, thereby avoiding the problem of the second end cover 52 being easily lost after being removed from the first end cover 51.

[0039] When toner needs to be added to the developer box A, first remove the chip assembly 4 to expose the end cover 5 / the second end cover 52; in the present embodiment, the powder filling port 31 is blocked by the second end cover 52, and the second end cover 52 is removed along the guide portion 51e to expose the powder filling port 31 and the sealing cover 32, and the sealing cover 32 can be opened to add toner to the powder filling port 31; in the present embodiment, toner is added to the powder bin 3 blocked by the end cover 5 without removing the entire end cover 5; the second end cover 52 does not need to cooperate with other components on the side facing the shell 1 except for cooperating with the shell 1 or the first end cover 51, and is simpler to install and remove than the first end cover 51.

[0040] In an embodiment of the present invention, to add toner to the powder bin 3 blocked by the end cover 5, it is only necessary to remove the second end cover 52 blocking the powder filling port 31 to expose the powder filling port 31, and toner can be added to the powder filling port 31; this process does not require the removal of the first end cover 51, and includes components such as the driving force receiving member 6 fixed / positioned by the first end cover 51, thereby simplifying the steps of adding toner to the developer box A.

Claims

1. A developing box, characterized in that: The developing box comprises: The shell is enclosed to form a powder bin, the powder bin is used to store carbon powder, and a powder filling port for adding carbon powder is provided at a longitudinal end of the powder bin; A developing member is rotatably disposed on the housing and is used to supply carbon powder to the outside; An end cover, comprising a first end cover and a second end cover which are relatively movable, wherein the first end cover is detachably mounted on the housing, and the second end cover is detachably mounted on the housing or the first end cover; A chip assembly, used to establish a communication connection with an imaging device, comprising a chip frame for mounting a chip, wherein the chip frame is movably arranged relative to the first end cap and the second end cap; A driving force receiving member, used for receiving a driving force to drive the developing member to rotate, wherein the driving force receiving member is fixed by a first end cover; Along the longitudinal direction of the developing box, at least a portion of the powder filling port is blocked by the second end cover.

2. A developing box according to claim 1, characterized in that: The first end cover and the second end cover are separately provided.

3. A developing box according to claim 2, characterized in that: The end cover also includes a connecting portion connecting the first end cover and the second end cover.

4. A developing box according to claim 1, characterized in that: The first end cover is provided with a matched portion, and the second end cover is provided with a matching portion. When the second end cover is combined with the first end cover, the matching portion is combined with the matched portion.

5. A developing box according to claim 1, characterized in that: When viewed along the longitudinal direction of the developing box, at least a portion of the powder filling port overlaps with the chip frame.

6. A developing box according to claim 1, characterized in that: When observed along the longitudinal direction of the developer box, a portion of the outer contour of the powder filling port exceeds the second end cover.

7. A developing box according to claim 1, characterized in that: Along the front-to-back direction, the driving force receiving member and the powder filling port / chip assembly are respectively located at two ends of the shell.

8. A developing box according to any one of claims 1 to 7, characterized in that: The chip assembly also includes a mounting frame, which is used to limit the chip frame from falling off. When observed along the longitudinal direction of the developer box, at least a portion of the powder filling port overlaps with the mounting frame.

9. A developing box according to claim 8, characterized in that: The chip frame is provided with a first protrusion and a second protrusion, the second end cover is further provided with a groove, the mounting frame is provided with a coupling part, and the first protrusion and the second protrusion are movably matched with the groove and the coupling part respectively.

10. A developing box according to claim 9, characterized in that: The chip frame is further provided with a third protrusion, and the first end cover is further provided with a slideway, and the third protrusion is movably matched with the slideway.

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