JPH0675473A - Toner cartridge - Google Patents

Abstract

PURPOSE:To surely prevent toner from being scattered at the time of exchanging a toner cartridge and to facilitate the exchanging work. CONSTITUTION:This cartridge is provided with a toner cartridge main body 1 consisting of double container of an internal container 10 and an external container 20. By peeling off an inside sealing member 30 with which the aperture part 10a of the internal container 10 is covered, the toner is discharged. When the already used toner cartridge main body 1 is pulled out from a housing recessed part 500, the opening part 20a of the external container 20 is closed by an outside sealing member 40.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toner cartridge for supplying toner to a developing device of an image forming apparatus such as a copying machine or a facsimile.

[0002]

2. Description of the Related Art Generally, a toner cartridge is provided with a storage case for storing toner and a sheet-like sealing member which covers an opening at the bottom of the storage case in a peelable manner. There is. When replacing the toner cartridge to replenish the toner, in order to prevent the toner from scattering, it contacts the opening sealing surface of the seal member when the seal member is peeled off and scrapes off the toner adhering to the seal member. Those provided with slits (see Japanese Utility Model Laid-Open No. 3-86371) are provided.

Further, a cleaning chamber is provided at a side portion of the storage case located at an end portion in the peeling direction of the seal member, and the cleaning chamber is attached to the opening sealing surface of the seal member when the seal member is peeled off. With a cleaning roller for cleaning the toner
No. 51) is also provided. However, in any case, it was difficult to completely remove the toner attached to the seal member.

Moreover, in the former case, since the slit itself is opened to the outside, when the used toner cartridge is removed from the main body of the image forming apparatus, the toner attached to the slit may drop and scatter. there were.
Further, in the latter case, since the seal member at the time of peeling is introduced into the cleaning chamber through the slit that communicates the outside with the cleaning chamber, the toner adhered to the slit is scattered like the former case. I was afraid.

On the other hand, before taking out a used toner cartridge, there is also provided one in which a shutter member for preventing toner from dropping at the time of removal is inserted into the main body of the image forming apparatus. There is a problem that the shutter member has to be inserted at the time of replacement, which requires time and effort for replacement. Therefore, an object of the present invention is to solve the above-mentioned technical problems and to provide a toner cartridge which can reliably prevent toner from scattering during replacement and which is easy to replace.

[0006]

To achieve the above object, a toner cartridge according to a first aspect of the present invention is a toner cartridge in which toner is accommodated in a toner cartridge which is removably attached to an accommodation recess of an image forming apparatus main body. And a container for accommodating the inner container, which constitutes a toner cartridge main body with the inner container, an opening formed in the lower surface of the outer container, and a lower surface of the inner container. An opening for discharging toner through the opening, a peelable sheet-like inner sealing member attached to the lower surface of the inner container in a state of covering the opening of the inner container, and an outer container The inner seal member is arranged in a space between the one end portion and the one end portion of the inner container, and is rotatably supported by the outer container while the one end portion of the inner seal member is fixed, and the inner seal member is peeled off. The winding means for winding this and the opening of the outer container can be freely opened and closed, and normally the opening is opened in a state of being retracted to a position where contact with the toner dropped from the opening of the inner container is avoided. And a sheet-shaped outer seal member that can close the opening when required,
The outer seal member is movable along the lower surface of the outer container in a state where one end of the outer seal member is fixed. When the toner cartridge main body is removed from the storage recess of the image forming apparatus main body, By engaging,
And a slide member for closing the outer seal member.

In the toner cartridge according to a second aspect of the present invention, the outer container can be divided into two upper and lower divided bodies, and both divided bodies are fixed by being fitted to each other, and the inner container is on the side surface. It has a protruding piece and the inner container is
It is characterized in that the projecting piece is fixed in a state of being positioned with respect to the outer container by being sandwiched by the fitting portions of the two divided bodies.

A toner cartridge according to a third aspect of the invention is formed between a pair of portions of the lower surface of the outer container that sandwich the opening and a pair of portions of the lower surface of the inner container that sandwich the opening. A pair of guide grooves for guiding the movement of the slide member in a state where both ends of the slide member are intruded, and both side edges of the outer seal member are moved in the both guide grooves as the slide member moves. Thus, it is characterized in that it is arranged in both guide grooves.

According to a fourth aspect of the toner cartridge, a part of the outer seal member in which the opening of the outer container is opened is guided between the upper surface of the inner container and the inner surface of the outer container facing the inner container. In addition, an accommodation space for accommodating in a substantially straight state is formed. Claim 5
The toner cartridge according to
When the opening of the outer container is opened, a part of the outer container is introduced into the accommodating space in a state of being rotated around the outside of the winding shaft of the winding means by about 180 °. It is characterized in that it constitutes a guide means for guiding the above-mentioned circulation of the outer seal member.

According to the sixth aspect of the present invention, in the toner cartridge, the toner cartridge main body is removed from the accommodating recess of the image forming apparatus main body so as to prevent the outer seal member in the state where the opening is closed from being opened. A regulating means for regulating the movement of the slide member is provided in the guide groove. A toner cartridge according to claim 7, wherein the toner supply cylinder is formed at an end of the inner container, the inside of which is communicated with the inside of the inner container, and the tip of which penetrates the end of the outer container, and the toner supply cylinder. And a plug-like portion that closes the front end of the toner supply cylinder after the toner is supplied from.

A toner cartridge according to an eighth aspect is characterized in that a motor for driving the winding means is arranged in a space between the outer container and the inner container.

[0012]

According to the toner cartridge of the first aspect,
This toner cartridge is inserted into the storage recess of the image forming apparatus main body with the opening of the outer container opened, and attached. Then, by winding the inner seal member by the winding means to open the opening of the inner container, the toner is dropped to a required portion of the image forming apparatus main body through the opening of the inner and outer containers. At this time, since the outer seal member is retracted to the position where the contact with the falling toner is avoided while the opening of the outer container is open, it does not become dirty.

On the other hand, when replacing the toner cartridge, the slide member is engaged with a predetermined portion of the main body of the image forming apparatus when the toner cartridge main body is pulled out, and the slide member moves the uncleaned outer seal member, Close the opening of the outer container. Therefore, the toner does not scatter during the extraction. Moreover, since the opening of the outer container is automatically closed at the time of extraction, the replacement work is very easy.

According to the toner cartridge of the second aspect, the outer container is composed of two divided bodies which are fixed by fitting, and the inner container is positioned and fixed by these divided bodies. Therefore, the toner cartridge main body can be assembled only by fitting without using screws or the like. According to the toner cartridge of the third aspect, the slide member for closing the outer seal member is guided by the guide groove formed between the inner container and the outer container. Since it is not necessary to provide a special guide member, the number of parts can be reduced. Since both side edges of the outer seal member are arranged in the guide grooves, the outer seal member ensures the sealing.

According to the toner cartridge of the fourth aspect, when the outer seal member opens the opening of the outer container, a part of the outer seal member is guided and housed in the housing space. Since the accommodation space is formed between the upper surface of the inner container and the inner surface of the outer container, the number of parts can be reduced and the manufacturing cost can be reduced as compared with the case where a guide member is separately provided.

Since a part of the outer seal member with the opening of the outer container opened is accommodated in a substantially straight state, even when an outer seal member having high rigidity is adopted, the outer seal member has a bending tendency. Not stick. As described above, since the outer seal member having no bending tendency closes the opening of the outer container, the seal is reliable and the toner can be reliably prevented from scattering.

According to the toner cartridge of the fifth aspect, since it is not necessary to separately provide the guide means, the number of parts can be reduced and the manufacturing cost can be reduced. According to the toner cartridge of the sixth aspect, the movement of the slide member is regulated by the regulation means in a state where the toner cartridge is removed from the storage recess of the image forming apparatus main body. As a result, the outer sealing member that closes the opening of the outer container is kept in a state where the opening is closed. It is possible to reliably prevent the toner from scattering.

According to the toner cartridge of the seventh aspect, the toner is supplied from the outside of the outer container to the inside of the inner container in which the opening is closed by the inner sealing member, and the inside of the inner container is closed. To toner. After the filling, the tip of the toner supply port is closed by the plug-shaped portion. Toner can be filled with a single toner supply cylinder even though it has a double container structure including inner and outer containers.
The structure is simple and the sealing property is high.

According to the toner cartridge of the eighth aspect, the inner seal member can be automatically wound by a motor instead of being manually wound.

[0020]

Embodiments will be described in detail with reference to the accompanying drawings showing embodiments.
RevealFirst embodiment First, a first embodiment of the present invention will be described with reference to FIGS.
An example will be described. Overall schematic configuration 1 to 4 show an image forming apparatus of a toner cartridge.
The installation process and the removal process on the
is there.

In FIG. 1A, the front end of the toner cartridge TC is a storage recess 50 of the image forming apparatus main body G, which will be described later.
0 shows the state introduced. Referring to the figure, the toner cartridge TC includes an inner container 10 containing the toner T and an outer container 20 containing the inner container 10.
Toner cartridge body 1 composed of a double container, openings 10a and 20a for toner discharge formed in the inner container 10 and the outer container 20, respectively, and the opening 1 of the inner container 10.
0a as a sheet-shaped inner seal member 30 which can be peeled off freely, an outer seal member 40 which covers the opening 20a of the outer container 20 as openable and closable, and a winding means for peeling off the inner seal member 30 and winding it up. The winding shaft 50 of
A slide member 60 that slides along the lower surface of the outer container 20 with one end of the outer seal member 40 fixed to open and close the opening 20a of the outer container 20 by the outer seal member 40 is provided. .

The toner cartridge body 1 is taken in and out of the storage recess 500 along the longitudinal direction thereof. A slide member moving unit 80 that engages with the slide member 60 and opens and closes the outer seal member 40 is provided at the bottom of the storage recess 500 near the entrance. The outer seal member 40 is moved to the closed position shown in FIG. 1 (A) and the open position shown in FIG. 2 (A) as the slide member 60 is moved by the slide member moving means 80.

Hereinafter, both longitudinal end portions of the toner cartridge body 1 will be referred to as an introduction side end portion 1a and a withdrawal side end portion 1b, respectively. Toner Cartridge Main Body The toner cartridge main body 1 will be described with reference to FIGS. First, with reference to FIG. 5 which is an overall perspective view and FIG. 6 which is an exploded perspective view, the outer container 20 is an upper casing 200 as a divided body that is vertically divided into two.
And a lower casing 250. The upper and lower casings 200 and 250 are fixed by being fitted to each other. In addition, the upper and lower casings 20
0,250 is the inner container 10 at the fitting part of both.
The inner container 10 is fixed in a positioned state by sandwiching a projection piece 107 described later.

Upper casing 200 and lower casing 2
Each of 50 is integrally formed of resin. The inner container 10 is also integrally formed of resin, and a plug-like portion 106, which will be described later, is heat-sealed thereto. The upper surface portion 101 of the inner container 10 and the upper surface portion 201 of the upper casing 200 of the outer container 20 are parallel to each other with a predetermined gap, and an outer seal is provided between the upper surface portions 101 and 201 when necessary. An accommodation space 70 for accommodating a part of the member 40 in a substantially straight state is formed [see FIG. 1 (B)].

When the opening 20a of the outer container 20 is opened by the outer sealing member 40, a part of the outer sealing member 40 is guided from the other end 40b into the accommodation space 70 and accommodated therein. The accommodation space 70 is defined by the upper surface portion 10 of the inner container 10.
Since it is formed between 1 and the upper surface portion 201 of the upper casing 200 of the outer container 20, the number of parts can be reduced and the manufacturing cost can be reduced as compared with the case where a guide member is separately provided.

Further, since a part of the outer seal member 40 with the opening 20a of the outer container 20 opened is accommodated in a substantially straight state, even when the outer seal member 40 having high rigidity is adopted, this outer side The seal member 40 does not have a bending tendency.
In this way, the outer seal member 40 having no bending tendency,
Since the opening 20a of the outer container 20 is closed, the sealing is reliable and the toner scattering can be reliably prevented.

Upper Casing Referring to FIG. 7, an upper casing 200 has a box shape having a substantially rectangular shape in a plan view, and its lower surface is open. The upper casing 200 includes an upper surface portion 201, side surface portions 202 and 203 and end surface portions 204 and 205 that extend downward from four pieces of the upper surface portion 201 to form a peripheral wall portion. The side surface portions 202 and 203 extend along the longitudinal direction of the toner cartridge main body 1, and the end surface portions 204 and 2
Reference numeral 05 is along the width direction of the toner cartridge body 1.

A plurality of claw portions 206 hooked on predetermined portions of the lower casing 250 are provided on the side surface portions 202 and 203,
Plural protrusions 207 arranged between the claws 206
And a shaft support portion 208 that supports the winding shaft 50 are formed so as to extend downward. The shaft support portion formed on the side surface portion 203 has the same configuration as the shaft support portion 208 provided on the side surface portion 202, and is not shown.

The claw portion 206 has an L-shaped cross section, and has concave surface portions 202a and 203 formed on the side surface portion 202.
An elastically deformable support portion 206a that extends downward in a state continuous with a and a claw body 206b that bends at a right angle from the lower end of the support portion 206a and extends outward. The outer surface of the support portion 206a is flush with the concave surface portions 202a and 203a.

At a portion of the side surface portion 203 corresponding to the extraction side end portion 1b, a protruding portion 203b protruding more than other portions is formed.
And the winding shaft 50 is formed on the protrusion 203b.
A semi-circular cutout 203c for introducing a large-diameter portion 50d described later is formed so as to project. Protrusion 203b
A partition plate is provided so as to face the inner surface of the shaft, and a shaft support portion (not shown) having the same structure as the shaft support portion 208 is formed extending downward from the partition plate.

Introducing side end portion 1 of the toner cartridge main body 1
A semi-circular cutout portion 204a through which a toner supply cylinder 105 described later is inserted is formed in the end surface portion 204 corresponding to a. Inner Container Referring to FIG. 8, the inner container 10 has a box shape having a substantially rectangular shape in a plan view. The inner container 200 has a rectangular upper surface portion 101, a pair of side surface portions 102 and end surface portions 103 extending downward from the four side portions of the upper surface portion 101, and a continuous outer surface at the lower ends of the side surface portions 102 and end surface portion 103. And a plate-shaped lower edge portion 104 that extends toward one side.

Introducing side end portion 1 of the toner cartridge main body 1
A toner supply cylinder 105 for supplying toner to the inside of the inner container 10 at the time of manufacturing the toner cartridge is formed to project on the end surface portion 103 corresponding to a. A tip portion of the toner supply cylinder 105 is configured to project to the outside of the outer container 10 when the inner container 10 and the outer container 20 are assembled. Further, the inside of the toner supply cylinder 105 is communicated with the inside of the inner container 10, and the communication with the outside is blocked by the plug-like portion 106 introduced into the cylinder from the tip end side. The plug-like portion 106 closes the toner supply cylinder 105 by heat welding after the toner is supplied from the toner supply cylinder 105 into the inner container 10.

The toner cartridge body 1 has a double container structure composed of the inner and outer containers 10 and 20, but can be filled with toner by a single toner supply cylinder 105. Therefore, the structure is simple and the sealing property is high. A plurality of projecting piece portions 107 that project outward from a portion of the lower edge portion 104 along the longitudinal direction is formed. These protrusions 107 are the protrusions 207 of the upper casing 200.
Then, at the time of fitting with a recess 257 of the lower casing 250 described later, it is sandwiched by this fitting portion (see FIG. 12). Thereby, the inner container 10 is fixed in a state of being positioned with respect to the outer container 20.

As described above, the outer container 20 is composed of the upper and lower casings 200 and 250 which are fixed by fitting, and the inner container 10 is positioned and fixed by these upper and lower casings 200 and 250. The toner cartridge body 1 can be assembled only by fitting without using the above. Lower Casing Referring to FIG. 9, the lower casing 250 has a substantially rectangular shape in a plan view. The upper surface of the lower casing 250 is open, and an opening is formed in the lower surface.

The lower casing 250 has a lower edge portion 251 having an opening 20a, and side surface portions 252 and 253 extending upward from the vicinity of four pieces of the lower edge portion 251 to form a peripheral wall portion.
And end surface portions 254 and 255. Side part 2
The reference numerals 52 and 253 extend along the longitudinal direction of the toner cartridge body 1, and the end surface portions 254 and 255 extend along the width direction of the toner cartridge body 1.

A plurality of hooking slits 256 (see FIG. 10) on which the claws 206 of the upper casing 200 are hooked and the hooking slits 25 are formed on the side surfaces 252 and 253.
The protrusion 2 of the upper casing 200, which is arranged between the six
And the upper casing 20.
A shaft support 258 for supporting the winding shaft 50 is provided in cooperation with the shaft support 208 of No. 0. The side surface portion 253 corresponds to the protruding portion 203b of the upper casing 200,
A box-shaped protrusion 253b is formed so as to protrude. The side surface portions 202 and 203 of the upper casing 200 and the side surface portions 252 and 253 of the lower casing 250 are combined in a phase-shifting manner as shown in FIG.

The lower edge portion 251 has an inner edge portion 251a arranged inside the peripheral wall portions 202 to 205 and an outer edge portion 251b arranged outside. A pair of boss portions 259 that are inserted and fitted into boss portions (not shown) formed in the upper casing 200 are provided at portions of the inner edge portion 251a that correspond to the extraction side end portions of the toner cartridge body 1. In addition, a pair of protrusions 260 serving as open position stopper means for restricting the outer seal member 40 to the open position via the slide member 60 are formed so as to project in the width direction with the opening 20a sandwiched therebetween. Outer edge portion 25 of the lower edge portion 251
A finger hooking portion 1c on which a finger is hooked at the time of extraction is formed in a portion of 1b corresponding to the extraction side end portion 1b.

Further, referring to FIGS. 9, 17 and 18, an outer seal member 40 is provided through a slide member 60 at a portion of the inner edge portion 251a corresponding to the introduction side end portion 1a of the toner cartridge body 1. The pair of protrusions 261 serving as a closed position stopper means for restricting the closed position to the closed position is provided with
A guide portion 262 is provided on the side of the opening 20a, the guide portion 262 having a cam surface for guiding engagement and disengagement of the slide member 60 with the protrusion 261 while sandwiching a in the width direction. It is provided in a protruding state. The protrusion 261 serving as the closed position stopper means is provided with the recess 2 at the center.
By engaging the protrusion 60c of the slide member 60, which will be described later, with the outer seal member 4 as described above.
0 is restricted to the closed position (see FIG. 18). The guide section 26
2 has a chevron shape, and by contacting the lower surface of the main body portion 60a of the slide member 60,
The protrusion 60c of the above is guided to the above-mentioned recess 261a. The protrusion 261 serving as the closed position stopper means controls the movement of the slide member 60 in order to prevent the outer seal member 40 from being opened when the toner cartridge TC is removed from the storage recess 500. Is also configured.

The notch portion 204a of the upper casing 200 is inserted into the end surface portion 254 corresponding to the introduction side end portion of the toner cartridge body 1 with the toner supply cylinder 105 inserted therethrough.
A cutout portion 254a having a semicircular cross section is formed so as to sandwich and fix the toner supply cylinder 105 therebetween. Inner Seal Member The inner seal member 30 has a long sheet shape, and is heat-welded to the lower surface of the lower edge portion 104 of the inner container 10,
It covers the opening 10a of the inner container 10. The base end portion 30a of the inner seal member 30 is fixed to the winding shaft 50 as shown in FIG. Winding Means Referring to FIG. 13, the winding shaft 50 is the inner seal member 3
Slit portion 50b for fixing the base end portion 30a of 0
The main body 50a provided in the axial direction, and the main body 50a
Are formed coaxially at both ends of the upper and lower casings 200, 25
It has a pair of small-diameter neck portions 50c supported by 0 shaft support portions 208 and 258, and a large-diameter portion 50d which is continuous with the neck portion 50c and formed at one end. Further, the large-diameter portion 50d is formed with a drive connecting portion 50e which is a concave portion into which a drive connecting shaft 91 described later is inserted and connected. A flat surface portion 91a parallel to the axial direction is provided at the tip of the drive connecting shaft 91, and the drive connecting portion 50 is correspondingly provided.
A flat surface portion 50f that can match the flat surface portion 91a of the drive connecting shaft 91 at a predetermined rotation phase is provided in the rear portion of e. Sliding member Referring to FIG. 14, one end portion 40 a of the outer sealing member 40
Are fixed to the upper surface of the slide member 60. The slide member 60 includes a main body portion 60a extending in the width direction with respect to the opening 20a of the outer container 20, a pair of guided portions 60b formed at both ends of the main body portion 60a, and each guided portion 6a.
0b, a protrusion 60c is formed on the lower surface.

Referring to FIG. 15, one guided portion 60b, which is the both end portions of the slide member 60, has a lower surface of the lower edge portion 104 of the inner container 10 and a lower portion of the outer container 20 as shown in FIG. It penetrates into a pair of guide grooves 75 formed between the lower edge portion 251 and the upper surface of the casing 250. The slide member 60 is guided by the guide groove 75,
The outer container 20 slides in the longitudinal direction. As the slide member 60 slides, the outer seal member 4
0 opens and closes the opening 20a of the outer container 20.

In this way, the slide member 60 for opening and closing the outer seal member 40 is guided by the guide groove 75 formed between the inner container 10 and the outer container 20. Since it is not necessary to provide a special guide member, the number of parts can be reduced. Since both side edge portions 40c and 40d of the outer seal member 40 are arranged in the both guide grooves 75, the outer seal member 40 ensures the sealing.

A pair of protrusions 61 and 62 are formed on the lower surface of the main body 60a of the slide member 60. One of the protrusions 61 has a top portion 61a for pushing down the slide member moving means 80 to the disengagement position, and first and second engagements formed by sandwiching the top portion 61a and having slopes opposite to each other. It has the parts 61b and 61c. The first engaging portion 61b is engaged with the slide member moving means 80 during the inserting operation so that the outer seal member 40 is moved to the open position in conjunction with the inserting operation of the toner cartridge body 1 into the storage recess 500. Are combined. In addition, the second engaging portion 61
The c is engaged with the slide member moving means 80 during the extracting operation so as to move the outer seal member 40 to the closed position in conjunction with the extracting operation of the toner cartridge main body 1 from the storage recess 500.

The projection 26 formed on the lower edge 251 of the lower casing 250 as the above-mentioned open position stopper means.
0 contacts the slide member 60 immediately before the movement of the outer seal member 40 to the open position is completed, and the slide member 60
Of the slide member moving means 80 engaged with the first engaging portion 6b by overcoming the top portion 61a to prevent the relative movement with respect to the toner cartridge main body 1. Engage with.

The lower edge 251 of the lower casing 250
The protrusion 261 serving as the above-mentioned closed position stopper means comes into contact with the slide member 60 immediately before the movement of the outer seal member 40 to the closed position is completed, and the toner cartridge main body of the slide member 60 is formed. By blocking the movement with respect to 1, the slide member moving means 80 engaged with the second engaging portion 61c is moved over the top portion 61a and engaged with the first engaging portion 61b. Storage Recessed Section Referring to FIG. 19, the storage recessed section 500 is disposed above the developing device (not shown) in the image forming apparatus main body G, and the toner cartridge T is stored in the storage recessed section 500.
C is inserted and removed. An opening 500a for passing the toner discharged from the inserted toner cartridge TC to the developing device is formed on the bottom surface of the storage recess 500.

Further, the opening portion 500b for inserting / removing the toner cartridge TC into / from the storage concave portion 500 is shown in FIG. A),
It is opened and closed as shown in FIG. On the inner wall 500c of the storage recess 500, an introduction groove 500d for introducing the take-up shaft 50 along with the introduction of the toner cartridge TC into the storage recess 500 and a deepest part of the introduction groove 500d are formed continuously. The drive connecting shaft 91 of the drive connecting mechanism 90 is inserted into and retracted from the storage recess 500.

At the bottom of the storage recess 500 near the entrance,
A slide member moving means 80 for moving the slide member 60 is provided. Slide Member Moving Means Referring to FIGS. 20 and 21, the slide member moving means 80 has a screw 84 at the bottom in the storage recess 500 near the inlet.
A fixed portion 81 fixed by the fixed portion 81, a rotation portion 82 which is supported by the fixed portion 81 and moves between an upper position for engaging the slide member 60 and a lower position for releasing the engagement, A compression coil spring 83 is provided as a biasing unit that biases the rotating portion 82 to the upper position.

The fixing portion 81 has an L-shaped cross section, and a rear end portion of the fixing portion 81 has a pair of screw insertion holes 81a through which the pair of screws 84 are inserted. Further, on the lower surface of the fixed portion 81, a pair of shaft support portions 81b for supporting a pair of shaft portions 82a of the rotating portion 82 described later.
Are formed to project. A screw hole 81c for screw-fitting a screw 85 as a spring holding member through which the compression coil spring 83 is inserted is formed at the center of the tip of the fixed portion 81. In addition, a pair of notches 81d through which a pair of engaging projections 82b, which will be described later, of the rotating portion 82 are passed are formed at the tip of the fixed portion 81.

A pair of laterally projecting shaft portions 82a are formed at both ends in the width direction of the base end portion of the rotating portion 82, and a tip end portion of the rotating portion 82 is bent in a chevron shape. A pair of formed engagement protrusions 82b is formed. Rotating part 8
A cutout portion 82c is formed in the center of the tip of the screw 2, into which the screw 85 inserted through the compression coil spring 83 is inserted.

The compression coil spring 83 is interposed between the head portion 85a of the screw 85 fixed to the fixing portion 81 and the lower surface of the rotating portion 82 to push up a predetermined portion of the rotating portion 82. Drive Coupling Mechanism to Winding Shaft FIGS. 22 to 24 are schematic cross-sectional views sequentially showing a process in which the winding shaft 50 is drivingly connected with the closing operation of the lid 510, and FIGS. It is a schematic side view corresponding to. The drive connection mechanism 90 to the winding shaft 50 will be described with reference to these drawings. Drive coupling mechanism 90
Is disposed on a side surface near the entrance of the storage recess 500, and is connected to the winding shaft 50, and a compression coil as an urging unit that urges the drive connecting shaft 91 in the axial direction. A spring 92, a lock member 93 for holding the drive connecting shaft 91 at a predetermined position, a torsion spring 94 as a biasing means for biasing the lock member 93 in a locked state, and a lid 510.
And a lock member driving section 95 for releasing the lock of the lock member 93.

The drive connecting shaft 91 is inserted into the drive connecting portion 50e of the take-up shaft 50, which is connected to the drive connecting portion 50e of the take-up shaft 50 in a state where the drive connecting shaft 91 is advanced into the housing recess 500 (see FIGS. 24 and 27). It is movable along the axial direction between a connection release position where the storage recess 500 is retracted to release the connection and [see FIGS. 22 and 25]. A flange portion 91a that integrally moves with the drive connecting shaft 91 in the axial direction is formed at an intermediate portion of the drive connecting shaft 91. Further, the rear end of the drive connecting shaft 91 is projected from the image forming apparatus main body G to the outside. Referring to FIG. 24, by inserting and connecting the connecting protrusion H1 of the hand-turning handle H into the connecting recess 91a formed at the rear end, the winding handle H and the connecting drive shaft 91 are used to wind the winding. The shaft 50 can be driven.

Referring to FIG. 13, a flat surface portion 91a, which is a torque transmitting surface in conformity with the flat surface portion 50f formed on the drive connecting portion 50e, is formed at the tip end portion of the drive connecting shaft 91. The compression coil spring 92 as the urging means includes the inner surface of the image forming apparatus main body G and the flange portion 9 of the drive connecting shaft 91.
1a and urges the drive connecting shaft 91 to the connecting position (toward the winding shaft 50).

The lock member 93 is a plate member rotatably provided around a shaft 93a attached to the main body G of the image forming apparatus. The base end of the lock member 93 has a shaft 93a.
It is rotatably supported by. Lock member 93
Has its tip abutted against the tip surface of the drive connecting shaft 91,
The shaft 9 is provided between a lock position (see FIGS. 22 and 25) that holds the drive connection shaft 91 in the connection release position and a lock release position (see FIGS. 24 and 27) that releases the lock.
It is rotatable about 3a.

The torsion spring 94 is wound around the shaft 93a, one end of which is hooked on the shaft 95 fixed to the image forming apparatus main body G, and the other end of which is arranged in the longitudinal direction of the lock member 93. It is hooked in the middle part.
The torsion spring 94 biases the lock member 93 to the lock position (counterclockwise in FIG. 23). The lock member driving portion 95 has a plate shape and is formed on the back surface of the lid 510 so as to project. This lock member drive unit 95
Interlocking with the closing operation of the lid 510, the lock member 93 is moved from the locked position to the unlocked position. In addition, the lock member drive portion 95 is formed with an insertion hole 95a through which the connection drive shaft 91 is inserted while the lock member 93 is moved to the unlocked position.

Next, the operation of the drive connecting mechanism 90 will be described. 22 and 25 show a state in which the toner cartridge TC is set in the storage recess 500 of the image forming apparatus main body G, and the winding shaft 50 is introduced to a position facing the front end surface of the drive connecting shaft 91. . In this state, the drive connecting shaft 91 is held in the connection release position by the lock member 93 in the lock position.

Next, when the lid is closed, as shown in FIG. 23, FIG. 24, FIG. 26, and FIG. 27, the lock member driving portion 95 provided on the lid 510 interlocks with the closing operation of the lid 510. The lock member 93 is retracted to the unlock position. As a result, the connecting drive shaft 91 urged by the compression coil spring 92 is inserted into the insertion hole 9 of the lock member drive portion 95.
5a, and the take-up shaft 5 of the toner cartridge TC.
0 drive connection 50e. This allows the handle H to drive the winding shaft 50.

As described above, the drive connection to the winding shaft 50 is performed in association with the closing operation of the lid 510.
If the lid 510 is not closed, there is no drive connection. Therefore, if the lid 510 is not closed, the inner seal member 30 is not peeled off, so that toner scattering can be reliably prevented. Further, when the lid 510 is closed, the drive connecting shaft 91 at the connecting position is inserted through the insertion hole 95a of the lock member driving portion 95, and the drive connecting shaft 91 causes the lock member driving portion 95 to pass through. Lid 510
Open movement is blocked. Therefore, the lid 510 is prevented from being opened when the drive connecting shaft 91 is connected to the drive connecting portion 50e of the toner cartridge TC, so that the toner can be more reliably prevented from scattering.

The lid is not opened unless the rear end of the drive connecting shaft 91 is moved to the right in FIG. 24 against the compression coil spring 92 and retracted to the connection releasing position. Therefore, the toner cartridge T cannot be forcibly driven in the connected state.
It is prevented that C is removed. Attachment / Detachment Operation of Toner Cartridge to / from Recessed Section Next, referring to FIGS. 1 to 4, the toner cartridge TC will be described.
The operation of attaching / detaching to / from the storage recess 500 will be described.

First, as shown in FIG. 1, the new toner cartridge TC to be replaced has the opening 10 of the inner container 10.
a is closed by the inner seal member 30, and the outer container 20
The opening 20a is closed by the outer seal member 40. In this state, the slide member 60 is in a state of being moved to the introduction side end portion 1a side of the toner cartridge main body 1.

When the introduction side end 1a of the toner cartridge main body 1 is inserted into the accommodating recess 500, the pair of engaging members of the slide member moving means 90 are engaged with the first engaging portion 6b of the slide member 60 (see FIG. 15). The abutting portion 82b is engaged [see FIG. 1 (A)]. Further, when the toner cartridge body 1 is inserted into the storage recess 500, the slide member moving means 80 moves the slide member 60 relative to the toner cartridge body 1 in conjunction with the insertion operation. The outer seal member 40 is opened [Fig. 1
(B)].

Storage recess 5 of toner cartridge body 1
Immediately before the insertion into 00, the slide member 60
The right end of FIG. 2 (A) abuts on the protrusion 260 (see FIG. 9) as the open position stopper means. As a result, the toner cartridge body 1 of the slide member 60 is
The movement relative to is restricted. In this state, by further inserting the toner cartridge body 1, the engaging protrusion 82b of the rotating portion 82 of the slide member moving means 80 is
It rides over the top 61a of the protrusion 61 of the slide member 60 and is engaged with the second engagement portion 61c [see FIG. 2 (A) and FIG. 15]. Further, in this state, the winding shaft 50 is connected to the drive connecting shaft 91 as described above.

Next, the handle H is rotated to drive the winding shaft 50, and the inner sealing member 30 is peeled off and wound around the winding shaft 50 [see FIG. 2 (B)]. As a result, the opening 10a of the inner container 10 is opened, and the toner T drops through the openings 10a and 20a to a predetermined portion of the developing device (not shown) below. Next, when the used toner cartridge TC is pulled out, the engaging protrusion 82b of the slide member moving means 80 is already engaged with the second engaging portion 61c of the slide member 60 when the toner cartridge TC is inserted. Therefore, the slide member 60 is moved relative to the toner cartridge body 1 toward the introduction side end 1a in association with the toner cartridge TC withdrawal operation [see FIG. It is moved to the position [see FIG. 3 (B)].

The slide member 60 that has reached the closed position is guided by the inclined surface of the guide portion 262 and abuts on the pair of protrusions 261 as the closed position stopper means. As a result, the relative movement of the slide member 60 with respect to the toner cartridge body 1 is restricted. In this state, by further pulling out the toner cartridge main body 1, the engagement protrusion 82b of the slide member moving means 80 rides over the top 61a of the protrusion 61 of the slide member 60 to engage with the slide member 60. Release (see Fig. 4). As a result, the toner cartridge TC is completely removed from the storage recess 500.

As described above, at the time of removal for replacement, the opening 20a of the outer container 20 is automatically closed by the outer seal member 40 which is not soiled with toner, so that toner scattering can be reliably prevented, and , Replacement work becomes very easy. Moreover, the toner cartridge T
When C is removed from the housing recess 500 of the image forming apparatus main body 1, the opening 20a of the outer container 20 is reliably closed by the outer seal member 40. That is, since the outer seal member 40 also serves as a shutter when the toner cartridge TC is transported, it is not necessary to separately provide a shutter.

Second Embodiment FIGS. 28 to 36 show a second embodiment of the present invention. The main differences between the second embodiment and the first embodiment are 1) and 2) below. 1) In the first embodiment, the opening 20a of the outer container 20 of the toner cartridge TC before being mounted in the storage recess 500 is closed by the outer sealing member 40. On the other hand, in the second embodiment, the toner cartridge TC before being mounted in the storage recess 500 is installed.
As shown in FIG. 28A showing the mounting process, the opening 20a of the outer container 20 is open. When the mounting of the toner cartridge TC into the storage recess 500 is completed, the slide member 60 is stopped from moving relative to the toner cartridge body 1 by the open position stopper means (not shown), and thus the slide member 60 is moved. 60
Rides over the engaging protrusion 82b of the rotating portion 82 of the slide member moving means 80, and moves to the right of the engaging protrusion 82b [Fig.
8 (A)] to the left position [FIG. 28 (A)].
Although not shown when the toner cartridge TC is used and is removed from the storage recess 500,
Similar to the first embodiment, the outer seal member 40 closes the opening 20a by the action of the slide member moving means 80 and the slide member 60. 2) In the first embodiment, the take-up shaft 50 as the take-up means is projected to the side of the toner cartridge body 1. On the other hand, in the second embodiment, the winding means 50 engages with the winding shaft 51 having the first gear portion 51a formed at one end and the first gear portion 51a formed at one end. And a winding connection shaft 52 having a second gear portion 52a that is rotated. This winding connection shaft 5
The other end of 2 is exposed to the handle insertion cylinder 1d provided at the extraction side end 1b of the toner cartridge body 1. When the inner seal member 30 is peeled off after the toner cartridge TC is mounted in the storage recess 500, as shown in FIG.
As shown in FIG. 9, the handle shaft of the handwheel handle H1 inserted into the handle insertion cylinder 1d is integrally and rotatably connected to the takeup connection shaft 52, and the handwheel handle H is turned so that the takeup shaft 51 is moved. To drive.

Referring to FIGS. 30 to 32, the upper casing 200 constituting the upper part of the outer container 20 of the toner cartridge body 1 has the handle insertion cylinder 1d formed on the end surface on the side of the extraction side end 1b. There is. Further, as shown in FIG. 33, a pair of support portions 263 that rotatably support the take-up coupling shaft 52 are formed at predetermined positions of the lower casing 250, and the corresponding portions of the upper casing 200 are also the same. A support portion (not shown) is formed.

Further, referring to FIG. 33, in the lower edge portion 251, from the edge portion of the opening portion 20a on the extraction side end portion 1b side,
A pair of claw members 264 serving as open position holding members are formed so as to project into the opening 20a. These claw members 2
As shown in FIG. 36, 64 is a holding force to stop the slide member 60, so that the outer seal member 4
Hold 0 open. The main body 60a of the slide member 60 has a rectangular cross section as shown in FIG.

Since the other structures are the same as those of the first embodiment, the same reference numerals are given to the related members in the drawing, and the description thereof will be omitted. Also in this second embodiment,
At the time of removal for replacement, the opening of the outer container is automatically closed by the outer seal member which is not soiled with toner, so that toner scattering can be reliably prevented, and the replacement work becomes very easy.

Third Embodiment FIGS. 37 and 37 show a third embodiment. With reference to the figure, the third embodiment differs from the first and second embodiments in the following 1) to 4). 1) The outer container 20 is divided into left and right casings 230 and 280. 2) A motor 55 for driving the winding shaft 50 is arranged in the space between the inner container 10 and the outer container 20. A pair of terminals 56 for supplying power to the motor 55 via a lead wire 57 is exposed on the side surface of the left casing 230. These terminals 56 are used for the toner cartridge T
With C installed in the storage recess 500, the storage recess 5
It is arranged so as to come into contact with a power supply terminal (not shown) provided on the side surface inside 00. 3) At the extraction side end 1b of the toner cartridge body 1,
A tiltable T-shaped handle 290 is provided. 4) On the upper surfaces of the left and right casings 230, 280, guide rails 231 guided to predetermined portions in the storage recess 500,
281 is provided.

Since the other structure is similar to that of the first and second embodiments, the same reference numerals are given to the drawings and the description thereof will be omitted. Regarding the internal structure, the slide member 60
The structure is the same as that of the first embodiment except that the structure for engaging with is omitted, and therefore its illustration is omitted. In this embodiment, the winding of the inner seal member 30 can be automatically performed by a motor instead of manually.

Fourth Embodiment FIGS. 39 to 41 show a fourth embodiment of the present invention. Referring to FIG. 40 (A), an inclined extraction guide portion 1e is formed on the bottom surface of the introduction-side end portion 1a of the outer container 20 of the toner cartridge main body 1. FIG. 39 (A)
After the inner seal member 30 is peeled off as shown in FIG.
The used toner cartridge TC is shown in FIG.
It is removed as shown in (B). At this time, the slide member 60 is moved relative to the toner cartridge body 1 by the slide member moving means 80. Up to this point, the procedure is the same as in the second embodiment.

As shown in FIG. 40A, immediately before the removal of the toner cartridge TC is completed, the removal guide portion 1e is guided by the contact portion 81f of the slide member moving means 80, which will be described later. The introduction side end portion 1a of the toner cartridge body 1 is lifted, whereby the engagement between the slide member 60 and the engagement protrusion 82b of the slide member moving means 80 can be smoothly released (FIG. 40).
(B)].

The slide member moving means 80 is provided with a fixed portion 81, an engaging projection member 82 having a chevron cross section which is provided in a concave portion of the fixed portion 81 so as to be able to move back and forth by vertical movement. Both ends are suspended by the fixed portion 81 in a state of penetrating the engaging projection member 82, and a tension coil spring 83 for urging the engaging projection member 82 upward is provided. Further, a pair of abutting portions 81f are provided near the both ends of the fixing portion 81 in the longitudinal direction of the engaging projection member 82.

The present invention is not limited to the above embodiments, and various (design) changes can be made without departing from the spirit of the present invention.

[0074]

As described above, according to the toner cartridge of the first aspect, the opening portion of the outer container is automatically closed by the outer seal member which is not contaminated by the toner at the time of removal for replacement. Toner scattering can be reliably prevented, and replacement work becomes very easy.

According to the toner cartridge of the second aspect, the outer container is composed of two divided bodies which are fixed by fitting, and the inner container is positioned and fixed by these divided bodies. Therefore, the toner cartridge main body can be assembled only by fitting without using screws or the like. According to the toner cartridge of the third aspect, the slide member for opening and closing the outer seal member is guided by the guide groove formed between the inner container and the outer container. Since it is not necessary to provide a special guide member, the number of parts can be reduced. Since both side edges of the outer seal member are arranged in the guide grooves, the outer seal member ensures the sealing.

According to the toner cartridge of the fourth aspect, when the outer seal member opens the opening of the outer container, a part of the outer seal member is guided and housed in the housing space. Since the accommodation space is formed between the upper surface of the inner container and the inner surface of the outer container, the number of parts can be reduced and the manufacturing cost can be reduced as compared with the case where a guide member is separately provided.

Since a part of the outer seal member with the opening of the outer container opened is accommodated in a substantially straight state, even when an outer seal member having high rigidity is adopted, the outer seal member has a bending tendency. Not stick. As described above, since the outer seal member having no bending tendency closes the opening of the outer container, the seal is reliable and the toner can be reliably prevented from scattering.

According to the toner cartridge of the fifth aspect, since it is not necessary to separately provide the guide means, the number of parts can be reduced and the manufacturing cost can be reduced. According to the toner cartridge of the sixth aspect, the movement of the slide member is regulated by the regulation means in a state where the toner cartridge is removed from the storage recess of the image forming apparatus main body. As a result, the outer sealing member that closes the opening of the outer container is kept in a state where the opening is closed. It is possible to reliably prevent the toner from scattering.

According to the seventh aspect of the toner cartridge, the toner is supplied from the outside of the outer container to the inside of the inner container in which the opening is closed by the inner sealing member, and the inside of the inner container is closed. To toner. After the filling, the tip of the toner supply port is closed by the plug-shaped portion. Toner can be filled with a single toner supply cylinder even though it has a double container structure including inner and outer containers.
The structure is simple and the sealing property is high.

According to the toner cartridge of the eighth aspect, the winding of the inner seal member can be automatically performed not by manual operation but by a motor.

[Brief description of drawings]

FIG. 1 is a schematic cross-sectional view sequentially showing a process of mounting a toner cartridge according to a first embodiment of the present invention in a storage recess of an image forming apparatus main body.

FIG. 2 is a schematic cross-sectional view sequentially showing a step of peeling off the inner seal member of the toner cartridge mounted in the storage recess.

FIG. 3 is a schematic cross-sectional view sequentially showing a step of extracting a used toner cartridge from a storage recess.

FIG. 4 is a schematic cross-sectional view showing a state immediately before the removal of the toner cartridge is completed.

FIG. 5 is an overall perspective view of a toner cartridge body.

FIG. 6 is an exploded perspective view of the toner cartridge body.

FIG. 7 is a perspective view of an upper casing that constitutes an upper portion of the outer container.

FIG. 8 is a perspective view of an inner container.

FIG. 9 is a perspective view of a lower casing that constitutes a lower portion of the outer container.

FIG. 10 is a vertical cross-sectional view of the toner cartridge body showing the fitting portions of the upper and lower casings.

FIG. 11 is a vertical cross-sectional view showing a fitting portion of upper and lower casings.

FIG. 12 is a cross-sectional view of a main part of the toner cartridge body showing a fixed state of the inner container by the upper and lower casings.

FIG. 13 is a partial cross-sectional exploded perspective view of a winding shaft and a drive connecting shaft.

FIG. 14 is a partial cross-sectional perspective view of a slide member.

FIG. 15 is a sectional view of a main part of a slide member.

FIG. 16 is a vertical cross-sectional view of the toner cartridge body showing a state where the slide member is guided.

FIG. 17 is a perspective view of a main part of the toner cartridge body showing a state immediately before the outer seal member is moved to the closed position by the slide member.

FIG. 18 is a cross-sectional view of a main part of the toner cartridge body showing a state where the slide member is engaged by the closed position stopper member.

FIG. 19 is a schematic cross-sectional view sequentially showing the step of closing the storage recess of the image forming apparatus main body with the lid.

FIG. 20 is a partial sectional side view of the slide member moving means.

FIG. 21 is an exploded perspective view of slide member moving means.

FIG. 22 is a schematic cross-sectional view of the drive connection mechanism before the lid of the storage recess is closed.

FIG. 23 is a schematic cross-sectional view of the drive connecting mechanism showing a state in which the drive connecting shaft is about to be connected to the winding shaft in conjunction with the closing operation of the lid.

FIG. 24 is a schematic cross-sectional view of the drive connecting mechanism showing a state in which the drive connecting shaft is connected to the winding shaft.

FIG. 25 is a schematic side view of the drive connection mechanism corresponding to the state of FIG. 22.

FIG. 26 is a schematic side view of the drive coupling mechanism corresponding to the state of FIG. 23.

FIG. 27 is a schematic side view sequentially showing a step corresponding to FIG. 24.

FIG. 28 is a schematic cross-sectional view sequentially showing the step of inserting the toner cartridge according to the second embodiment of the present invention into the storage recess of the image forming apparatus main body.

FIG. 29 is a schematic cross-sectional view showing a step of peeling off the inner seal member of the mounted toner cartridge.

FIG. 30 is a perspective view of the toner cartridge body.

FIG. 31 is an exploded perspective view of the toner cartridge body.

FIG. 32 is a perspective view of an upper casing that constitutes the upper portion of the outer container.

FIG. 33 is a perspective view of a lower casing that constitutes a lower portion of the outer container.

FIG. 34 is an exploded perspective view of the winding means.

FIG. 35 is a partial cross-sectional perspective view of a slide member.

FIG. 36 is a cross-sectional view of essential parts showing a state in which the slide member is engaged.

FIG. 37 is an exploded plan view of the toner cartridge according to the third embodiment of the present invention.

FIG. 38 is a three-sided view of the toner cartridge.

FIG. 39 is a schematic cross-sectional view showing a step of peeling off the inner seal member with the toner cartridge according to the fourth embodiment of the present invention mounted and a step in the middle of extracting a used toner cartridge.

FIG. 40 is a schematic cross-sectional view showing a state immediately before and a state immediately after the toner cartridge is completely removed.

FIG. 41 is a schematic perspective view of slide member moving means.

[Explanation of symbols]

 G image forming apparatus main body 500 storage recess TC toner cartridge T toner 1 toner cartridge main body 10 inner container 10a opening 20 outer container 20a opening 30 inner sealing member 40 outer sealing member 40a one end 40c side edge 50 winding shaft (winding 50e Drive connecting part 60 Sliding member 61 Projection part 61a Top part 61b First engaging part 61c Second engaging part 70 Storage space 75 Guide groove 80 Sliding member moving means 90 Drive connecting mechanism 91 Drive connecting shaft 92 Compression Coil spring (biasing means) 93 Locking member 94 Torsion spring (biasing means) 95 Locking member driving part 95a Insertion hole 105 Toner supply port 106 Plug-like part 107 Projecting piece 200 Upper casing 250 Lower casing 260 Projecting part (open position) Stopper means 261 Projection (closed position strike) Means) 510 lid

Claims (8)

[Claims] 1. A toner cartridge removably attached to a housing recess of an image forming apparatus body, wherein an inner container containing toner and an inner container containing the inner container and constituting the toner cartridge body. A container, an opening formed on the lower surface of the outer container, an opening formed on the lower surface of the inner container for discharging toner through the opening of the outer container, and the opening of the inner container. A peelable sheet-like inner sealing member that is attached to the lower surface of the inner container in a covered state, and is placed in the space between one end of the outer container and one end of the inner container, and the inner seal The one end of the member is rotatably supported by the outer container, the winding means for peeling off the inner seal member and winding it, and the opening of the outer container can be opened and closed. Content A sheet-shaped outer seal member that can open the opening while being retracted to a position that avoids contact with toner dropped from the opening of the container, and that can close the opening when required, and the outer sealing member Is movable along the lower surface of the outer container with one end fixed, and engages with a predetermined portion of the image forming apparatus main body when the toner cartridge main body is removed from the storage recess of the image forming apparatus main body. Due to
A toner cartridge, comprising: a slide member that closes an outer seal member. 2. The outer container can be divided into upper and lower divided bodies, and the divided bodies are fixed by being fitted to each other. The inner container has a protruding piece portion on a side surface. 2. The toner cartridge according to claim 1, wherein the inner container is fixed in a state of being positioned with respect to the outer container by sandwiching the projecting portion of the inner container with the fitting portions of the two divided bodies. 3. The both ends of the slide member are formed between a pair of portions of the lower surface of the outer container that sandwich the opening, and a pair of portions of the lower surface of the inner container that sandwich the opening. Is equipped with a pair of guide grooves that guide the movement of the slide member, and both side edges of the outer seal member are moved in the both guide grooves so that the outer seal member moves in the both guide grooves. The toner cartridge according to claim 1, wherein the toner cartridge is arranged in 4. A part of the outer seal member in a state where the opening of the outer container is opened is guided between the upper surface of the inner container and the inner surface of the outer container which faces the upper part, and is housed in a substantially straight state. The toner cartridge according to claim 1, wherein a storage space for storing the toner is formed. 5. The outer seal member, when opening the opening of the outer container, has a part thereof circling the outside of the winding shaft of the winding means by about 180 °, inside the accommodation space. 5. The winding shaft constitutes guide means for guiding the winding of the outer seal member.
The toner cartridge described. 6. The movement of the slide member is restricted in a state where the toner cartridge main body is removed from the accommodating recess of the image forming apparatus main body so as to prevent the outer seal member in the state where the opening is closed from being opened. The toner cartridge according to claim 1, wherein a regulation unit is provided in the guide groove. 7. A toner supply cylinder formed at an end of an inner container, the inside of which communicates with the inside of the inner container, and the tip of which penetrates the end of the outer container, and toner is supplied from this toner supply cylinder. 2. The toner cartridge according to claim 1, further comprising: a plug-like portion that closes a front end portion of the toner supply cylinder after being closed. 8. The toner cartridge according to claim 1, wherein a motor for driving the winding means is arranged in a space between the outer container and the inner container.