CN220983723U - Sliding plate structure of toner box and image forming equipment - Google Patents

Abstract

The utility model discloses a slide plate structure of a toner box and an image forming device, wherein the slide plate structure is arranged on a main body frame of the image forming device and is matched with the toner box detachably arranged on the main body frame, the toner box is provided with an opening part, the opening part is provided with a powder outlet, the slide plate structure comprises a slide plate main body and a sealing slide block, the slide plate main body is provided with a powder feeding opening, and the powder feeding opening is used for supplying toner into the developer box; the sealing slide block can move between a first position for closing the powder feeding port and a second position for opening the powder feeding port, when the toner box is mounted on the main body frame along the mounting direction, the sealing slide block is enabled to move from the first position to the second position, the powder outlet is communicated with the powder feeding port, when the toner box is enabled to move along the direction opposite to the mounting direction, the sealing slide block is enabled to move from the second position to the first position, the sealing slide block closes the powder feeding port, and toner is prevented from running out of a powder supply channel of the developing box and polluting the environment.

Description

Sliding plate structure of toner box and image forming equipment

Technical Field

The present utility model relates to the field of image forming technologies, and in particular, to a sliding plate structure of a toner cartridge and an image forming apparatus.

Background

An image forming apparatus is an apparatus that forms an image on a recording medium according to an input signal, and includes a printer, a copier, a facsimile machine, and a multifunction apparatus realized by combining functions of the printer, the copier, and the facsimile machine.

The image forming apparatus is configured to include a main body that loads or supplies paper and supports or drives a plurality of components in the image forming apparatus, and a developing unit that is installed in the main body and forms an image on the paper.

The developing units may be classified into one-piece type and two-piece type according to printing speed, developing method, and system arrangement. One piece is one way: the image forming portion and the toner supplying portion are not separated but are provided in one developing unit. The two-piece approach is such that: the image forming portion and the toner supplying portion are separated, respectively, as a developer cartridge and a toner cartridge, and are additionally installed in the main body of the image forming apparatus.

In general, in the case of a two-piece developing unit, the developing unit has a structure in which toner accommodated in a toner cartridge is supplied to the developer cartridge. Here, when the relative positional relationship between the developer cartridge and the toner cartridge is not adjusted within a constant error margin, the toner may not be smoothly supplied or may leak out of the developer cartridge or the toner cartridge when the toner is conveyed from the toner cartridge to the developer cartridge.

Disclosure of utility model

In view of the shortcomings of the prior art, an object of the present utility model is to provide a sliding plate structure of a toner cartridge and an image forming apparatus, at least for preventing toner from escaping from a toner supply passage of a developing cartridge and polluting the environment.

According to a first aspect of the present utility model, there is provided a slide plate structure of a toner cartridge provided to a main body frame of an image forming apparatus and cooperating with the toner cartridge detachably mounted to the main body frame, the toner cartridge being provided with an opening portion having a toner outlet, the slide plate structure comprising:

A slide plate main body provided with a powder feeding port for supplying toner into the developer cartridge;

The sealing slide block can move between a first position for closing the powder feeding port and a second position for opening the powder feeding port, when the toner box is mounted on the main body frame along the mounting direction, the sealing slide block is enabled to move from the first position to the second position, the powder outlet is communicated with the powder feeding port, when the toner box is enabled to move along the direction opposite to the mounting direction, the sealing slide block is enabled to move from the second position to the first position, and the sealing slide block is enabled to close the powder feeding port.

According to the sliding plate structure of the toner box, the sliding plate main body with the toner feeding port is arranged on the image forming device, the toner is supplied into the developer box through the toner feeding port, when the toner box is not installed, the toner feeding port is closed by the sealing sliding block, when the toner box is installed, the toner feeding port is opened by the sealing sliding block, and when the toner box is detached, the toner feeding port is closed again by the sealing sliding block, so that the toner can be prevented from running out of a toner supply channel of the developer box, and the environment is polluted.

In some embodiments, the sealing slide block is provided with a guide foot, the slide plate main body is provided with a guide rail matched with the guide foot, and the sealing slide block moves between the first position and the second position under the matched action of the guide foot and the guide rail.

In some embodiments, the slide body is provided with a recess in which the sealing slide is mounted, the guide rail being located within the recess.

In some embodiments, the two guide legs are arranged, the positions of the two opposite guide legs are in a structure with a wide front and a narrow rear in the installation direction of the toner box, the guide rail is in a structure with a small front and a large rear in the installation direction of the toner box, and when the sealing sliding block moves from the first position to the second position, the two guide legs move and are combined under the action of the guide rail.

In some embodiments, the toner cartridge is provided with a reset protrusion that is located at a front end of a top of the guide pin in an installation direction of the toner cartridge when the toner cartridge is installed, and that abuts the guide pin and pushes the seal slider to move from the second position to the first position when the toner cartridge is moved in a direction opposite to the installation direction.

In some embodiments, hooks are disposed on two sides of the sealing slider, the slider body is provided with hook engaging portions that engage the hooks, and the hook engaging portions limit when the sealing slider reaches the first position.

In some embodiments, ribs are provided on both sides of the sealing slider, and the slider body is provided with a limit protrusion that mates with the ribs, and the limit protrusion is used to prevent the sealing slider from falling off in the gravity direction.

In some embodiments, the toner cartridge is provided with a guide rib, one end of the guide rib, which is close to the opening, is provided with a first step portion, the slide plate main body is provided with a slide rail matched with the guide rib, one end of the slide rail, which is close to the second end of the slide plate main body, is provided with a second step portion, when the toner cartridge is mounted on the main body frame along the mounting direction, the first step portion is abutted with one end of the slide rail, which is close to the first end of the slide plate main body, and the second step portion is abutted with one end of the guide rib, which is close to the second end of the toner cartridge.

In some embodiments, the opening portion pushes the sealing slider to move from the first position to the second position when the toner cartridge is mounted to the main body frame in the mounting direction.

According to a second aspect of the present utility model, there is provided an image forming apparatus including:

a main body frame;

The developing unit comprises a developer box and a toner box, wherein the developer box is arranged on the main body frame, the toner box is detachably arranged on the main body frame, the toner box is provided with an opening part, and the opening part is provided with a powder outlet;

and the sliding plate structure is arranged on the main body frame and matched with the toner box, and is the sliding plate structure of the toner box.

Compared with the prior art, the sliding plate structure of the toner box and the image forming device have the advantages that the sliding plate body with the toner feeding port is arranged on the image forming device, the toner is supplied into the developer box through the toner feeding port, when the toner box is not installed, the toner feeding port is closed by the sealing sliding block, when the toner box is installed, the toner feeding port is opened by the sealing sliding block, and when the toner box is detached, the toner feeding port is closed again by the sealing sliding block, so that the toner can be prevented from running out of a toner supply channel of the developer box, and the environment is polluted.

Drawings

FIG. 1 is an exploded view of a toner cartridge and sled structure according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of a toner cartridge according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a left half part of a sliding plate structure according to an embodiment of the present utility model when a sealing slider is in a first position;

FIG. 4 is a schematic view of a left half of a skateboard body according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a structure of a sealing slider according to an embodiment of the present utility model after a guide pin is pressed;

FIG. 6 is a schematic view of a first view of the structure of the slide plate and the toner cartridge after installation according to an embodiment of the present utility model;

FIG. 7 is a left half cross-sectional view of the structure corresponding to section line (A-A) in FIG. 6;

FIG. 8 is a schematic view of a second view of the structure of the slide plate and the toner cartridge after installation according to an embodiment of the present utility model;

FIG. 9 is a view showing a sectional structure of the left half portion corresponding to the sectional line (B-B) in FIG. 8;

FIG. 10 is a schematic view of a second view (with C-C cut) of the slide plate structure during the toner cartridge installation process and in accordance with an embodiment of the present utility model;

Fig. 11 is a sectional view of the left half corresponding to the sectional line (C-C) in fig. 10.

Reference numerals illustrate: the toner cartridge 2, the first end 21, the second end 22, the opening 23, the toner outlet 24, the reset protrusion 25, the guide rib 26, the first step 261, the slide plate structure 3, the slide plate body 31, the first end 311, the second end 312, the toner feed port 313, the groove 314, the guide rail 315, the trip fitting portion 316, the limit protrusion 317, the slide rail 318, the second step 319, the seal slider 32, the guide leg 321, the trip 322, and the rib 323.

Detailed Description

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

The embodiment of the present application provides an image forming apparatus, as shown in fig. 1, which includes an apparatus main body (not shown) that loads or supplies paper and supports or drives a plurality of components in the image forming apparatus, and a developing unit that is mounted in the apparatus main body and forms an image on the paper, the developing unit including a developer cartridge (not shown) and a toner cartridge 2, in particular, the apparatus main body including a main body frame (not shown) to which the developer cartridge is provided, the toner cartridge 2 being detachably mounted to the main body frame, the toner cartridge 2 being for supplying toner into the developer cartridge, the main body frame being provided with a slide plate structure 3 of the toner cartridge, the slide plate structure 3 being mated with the toner cartridge 2 mounted to the main body frame.

As shown in fig. 2, the toner cartridge 2 has a housing chamber (not shown) for housing toner, the toner cartridge 2 has a substantially long cylindrical structure, the toner cartridge 2 has a first end 21 and a second end 22 in a longitudinal direction, the first end 21 of the toner cartridge 2 is provided with an opening 23, the opening 23 protrudes from the first end 21, the opening 23 has a substantially circular outlet 24, the outlet 24 communicates with the inside and the outside of the housing chamber of the toner cartridge 2, a central axis of the outlet 24 is perpendicular to the longitudinal direction of the toner cartridge 2, and when the toner cartridge 2 is not mounted, the outlet 24 is in a state sealed by a slider (not shown), preventing leakage of toner from the outlet 24 of the toner cartridge 2, and polluting the environment.

As shown in fig. 1 and 3 to 11, the sliding plate structure 3 includes a sliding plate body 31 and a sealing slider 32, the sliding plate body 31 has a substantially long plate structure, the sliding plate body 31 has a first end 311 and a second end 312 in a longitudinal direction, the first end 311 of the sliding plate body 31 is provided with a powder feeding port 313, the powder feeding port 313 is substantially circular, a central axis of the powder feeding port 313 is perpendicular to the longitudinal direction of the sliding plate body 31, and the powder feeding port 313 communicates with the developer cartridge and supplies toner to the developer cartridge.

The seal slider 32 is of a substantially long plate-like structure, and the seal slider 32 is movable along the length of the slide plate body 31 between a first position (as shown in fig. 3) for closing the toner feed port 313 and a second position (as shown in fig. 7) for opening the toner feed port 313, the first position being closer to the first end 311 than the second position, the seal slider 32 being in the first position for closing the toner feed port 313 before the toner cartridge 2 is mounted, the toner cartridge 2 having a mounting direction which is the same as the direction in which the first end 21 of the toner cartridge 2 is directed to the second end 22, and the mounting direction being the same as the direction in which the first end 311 of the slide plate body 31 is directed to the second end 312, and the opening portion 23 abutting and pushing the seal slider 32 when the toner cartridge 2 is mounted to the body frame in the mounting direction, the seal slider 32 being moved from the first position to the second position, the gradually opening toner feed port 313 being opened by the seal slider 32, the gradually opening portion of the toner feed port 313 being in communication with a portion of the toner feed port 24 at the same time as the opening and finally the entire toner cartridge 2 being completely opened when the toner cartridge 2 is mounted, and the complete toner feed port 313 is completely being opened by the toner feed port 24.

When the toner cartridge 2 is moved in a direction opposite to the mounting direction (i.e., the dismounting direction), the seal slider 32 is moved from the second position to the first position, the seal slider 32 gradually closes the toner feed port 313, that is, when the seal slider 32 is moved from the second position to the first position, the toner feed port 313 is gradually displaced from the toner outlet 24, and when the toner feed port 313 is gradually displaced from the toner outlet 24, the seal slider 32 also gradually closes a portion of the toner feed port 313 not aligned with the toner outlet 24, and finally when the seal slider 32 is moved to the second position, the toner feed port 313 is completely closed to prevent toner from escaping from the toner supply passage of the developing cartridge, and the environment is polluted.

Specifically, as shown in fig. 1, 3, 4 and 5, the slide body 31 is provided with a groove 314 for mounting the seal slider 32, the extending direction of the groove 314 is parallel to the length direction of the slide body 31, the seal slider 32 can move back and forth along the extending direction of the groove 314 in the groove 314, the seal slider 32 is provided with a guide pin 321, the slide body 31 is provided with a guide rail 315 matching the guide pin 321, the guide rail 315 is located in the groove 314, and the seal slider 32 moves between the first position and the second position under the matching action of the guide pin 321 and the guide rail 315.

Further, the two guide legs 321 are provided with two guide legs 321, the opposite positions of the two guide legs 321 are in a front-wide and rear-narrow structure in the installation direction of the toner cartridge 2, that is, before the toner cartridge 2 is not installed, the sealing slide 32 is located at the first position, the two guide legs 321 are in a separated state, the distance between one ends of the two guide legs 321 close to the second end 312 is larger than the distance between the other ends far from the second end 312, the guide rail 315 is in a front-small and rear-large structure in the installation direction of the toner cartridge 2, that is, the width of the guide rail 315 at one end close to the second end 312 is smaller than the width of the other end far from the second end 312, the guide rail 315 can be in a Y-shaped structure or a V-shaped structure, when the toner cartridge 2 is installed in the installation direction, that is, when the sealing slide 32 moves from the first position to the second position, the opening 23 abuts against and pushes the sealing slide 32 to move towards the installation direction, so that the two guide legs 321 move and close together under the action of the guide rail 315, and limit the sealing slide 32 when the sealing slide 32 reaches the second position, the sealing slide 32, so that the sealing slide 32 is prevented from being separated from the installation direction of the slide plate 31.

As shown in fig. 1, 2, 7 and 11, the first end 21 of the toner cartridge 2 is provided with a reset protrusion 25, the reset protrusion 25 protrudes from the first end 21, the protruding direction of the reset protrusion 25 is parallel to the central axis of the powder outlet 24, the opposite direction of the protruding direction of the reset protrusion 25 intersects with the central axis of the toner cartridge 2, when the toner cartridge 2 is mounted, the reset protrusion 25 is located at the front end of the top of the guide leg 321 in the mounting direction of the toner cartridge 2, at this time, the reset protrusion 25 may be in contact with the top of the guide leg 321 or have a certain distance from the top of the guide leg 321, when the toner cartridge 2 moves in the direction opposite to the mounting direction, the reset protrusion 25 abuts against the guide leg 321 and pushes the guide leg 321 in the direction opposite to the mounting direction, so that the sealing slider 32 moves from the second position to the first position, and the sealing slider 32 finally stays in the first position, compared with the spring reset, the mounting force of the toner cartridge 2 is reduced, the mounting is more labor-saving, and the problem of abnormal noise caused by the spring is avoided.

As shown in fig. 1, 3 and 9, hooks 322 are disposed on two sides of the seal slider 32, the planes on which the two sides of the hooks 322 are disposed on the seal slider 32 are respectively parallel to the length direction of the slide body 31 and parallel to the central axis of the powder feeding port 313, the slide body 31 is provided with hook engaging portions 316 engaging the hooks 322, and the hook engaging portions 316 limit the seal slider 32 when the seal slider 32 reaches the first position, that is, when the seal slider 32 reaches the first position, the hooks 322 abut against the hook engaging portions 316 in the direction opposite to the mounting direction, and the hook engaging portions 316 limit the hooks 322, preventing the seal slider 32 from moving further in the direction of removing the toner cartridge 2, and preventing the seal slider 32 from being separated from the slide body 31.

As shown in fig. 1, 3 and 9, ribs 323 are disposed on two sides of the sealing slider 32, planes on which the two sides of the ribs 323 are disposed on the sealing slider 32 are respectively parallel to the length direction of the slide plate main body 31 and parallel to the central axis of the powder feeding port 313, the extending direction of the ribs 323 is parallel to the length direction of the slide plate main body 31, the slide plate main body 31 is provided with limit protrusions 317 matching with the ribs 323, the limit protrusions 317 are used for preventing the sealing slider 32 from falling off in the gravity direction, namely under the action of gravity, the ribs 323 of the sealing slider 32 are abutted against the limit protrusions 317, the limit protrusions 317 limit the ribs 323 on the slide plate main body 31, and the sealing slider 32 is prevented from falling off from the slide plate main body 31 in the gravity direction.

As shown in fig. 1 and 2, the toner cartridge 2 is provided with the guide rib 26, the guide rib 26 is parallel to the length direction of the toner cartridge 2, the guide rib 26 has a plurality of and is parallel to each other, one end of the guide rib 26 near the opening 23 is provided with the first step 261, the height of the first step 261 in the protruding direction of the guide rib 26 is larger than the height of the guide rib 26, the slide plate main body 31 is provided with the slide rail 318 matching the guide rib 26, the slide rail 318 is parallel to the length direction of the slide plate main body 31, the slide rail 318 is the number of the guide ribs 26 and is matched with the number of the guide rib 26 and is parallel to each other, one end of the slide rail 318 near the second end 312 of the slide plate main body 31 is provided with the second step 319, when the toner cartridge 2 is mounted on the main body frame along the mounting direction, the second step 319 is abutted with one end of the guide rib near the second end 22 of the toner cartridge 2, the first step 261 is abutted with one end of the slide rail 318 near the first end 311 of the slide plate main body 31, and the guide rib 26 moves on the slide rail 318 on the main body 31 when the slide rail 318 is mounted, so that the toner cartridge 2 is parallel to the slide plate main body 31. Since the second end 312 of the slide plate body 31 is provided with the second step portion 319, in order to ensure the horizontal installation of the toner cartridge 2, the guide rib 26 is provided with the first step portion 261 at an end near the opening portion 23, so that after the installation of the toner cartridge 2 is completed, the center axis of the toner cartridge 2 is parallel to the surface of the slide plate body 31 facing the toner cartridge 2.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims (10)

1. A sliding plate structure of a toner cartridge provided in a main body frame of an image forming apparatus and cooperating with the toner cartridge detachably mounted to the main body frame, the toner cartridge being provided with an opening portion having a toner outlet, characterized by comprising:

A slide plate main body provided with a powder feeding port for supplying toner into the developer cartridge;

The sealing slide block can move between a first position for closing the powder feeding port and a second position for opening the powder feeding port, when the toner box is mounted on the main body frame along the mounting direction, the sealing slide block is enabled to move from the first position to the second position, the powder outlet is communicated with the powder feeding port, when the toner box is enabled to move along the direction opposite to the mounting direction, the sealing slide block is enabled to move from the second position to the first position, and the sealing slide block is enabled to close the powder feeding port.

2. The structure of a slide plate of a toner cartridge according to claim 1, wherein the seal slider is provided with a guide pin, the slide plate body is provided with a guide rail that cooperates with the guide pin, and the seal slider moves between the first position and the second position under the cooperation of the guide pin and the guide rail.

3. The structure of a slide plate of a toner cartridge according to claim 2, wherein the slide plate body is provided with a groove in which the seal slider is mounted, the guide rail being located in the groove.

4. The slide plate structure of the toner cartridge according to claim 2, wherein the guide legs are provided in two, the positions of the two guide legs facing each other are in a front-wide rear-narrow structure in the mounting direction of the toner cartridge, the guide rail is in a front-small rear-large structure in the mounting direction of the toner cartridge, and when the seal slider moves from the first position to the second position, the two guide legs move and are gathered under the action of the guide rail.

5. The sliding plate structure of the toner cartridge according to claim 4, wherein the toner cartridge is provided with a reset protrusion that is located at a front end of a top portion of the guide pin in a mounting direction of the toner cartridge when the toner cartridge is mounted, and that abuts the guide pin and pushes the seal slider to move from the second position to the first position when the toner cartridge is moved in a direction opposite to the mounting direction.

6. The structure of any one of claims 1 to 5, wherein hooks are provided on both sides of the seal slider, the slider body is provided with hook fitting portions that fit the hooks, and the hook fitting portions are limited when the seal slider reaches the first position.

7. The structure of any one of claims 1 to 5, wherein ribs are provided on both sides of the seal slider, and the slider body is provided with a stopper protrusion that engages with the ribs, the stopper protrusion being for preventing the seal slider from falling off in a gravitational direction.

8. The structure according to any one of claims 1 to 5, wherein the toner cartridge is provided with a guide rib, one end of the guide rib near the opening is provided with a first step portion, the slide plate body is provided with a slide rail that cooperates with the guide rib, one end of the slide rail near the second end of the slide plate body is provided with a second step portion, and when the toner cartridge is mounted to the body frame in the mounting direction, the first step portion abuts against one end of the slide rail near the first end of the slide plate body, and the second step portion abuts against one end of the guide rib near the second end of the toner cartridge.

9. The structure of a slide plate of a toner cartridge according to any one of claims 1 to 5, wherein the opening portion urges the seal slider to move from the first position to the second position when the toner cartridge is mounted to the main body frame in a mounting direction.

10. An image forming apparatus, comprising:

a main body frame;

The developing unit comprises a developer box and a toner box, wherein the developer box is arranged on the main body frame, the toner box is detachably arranged on the main body frame, the toner box is provided with an opening part, and the opening part is provided with a powder outlet;

A slide plate structure provided to the main body frame and cooperating with the toner cartridge, the slide plate structure being the slide plate structure of the toner cartridge according to any one of claims 1 to 9.