KR200332703Y1 - developer container and developer container cap of processor cartridge - Google Patents

Abstract

The present invention relates to a developer container and a developer container closure of a process cartridge for coupling and closing the stopper to the developer container without a separate bonding process for sealing. The present invention is a developer storage unit for storing a developer, and a developer container in which a developer supply port is formed on one side of the developer storage unit to fill the developer in the developer storage, the developer supply The sphere is formed with a rim extending a predetermined length outward in the longitudinal direction of the developer container, characterized in that the outer side length of the rim is formed to extend than the inner side length of the rim, the locking jaw and the sealing portion and the flange is formed on the container stopper And to fix and seal the developer supply port. The present invention has the advantage of sealing the supply port of the developer container without a separate bonding process, and by opening the container in an abnormal way due to the plug fully inserted into the rim can determine whether or not refilled the defective developer There is an advantage.

Description

Developer container and developer container cap of processor cartridge

The present invention relates to a developer container and a container closure of a process cartridge, and more particularly, a container closure to a developer supply port without a separate bonding process for sealing the developer supply port for inserting the developer into the developer container. It relates to a developer container and a developer container closure of the process cartridge to seal the combination.

In general, an image forming apparatus is an apparatus for forming an image on a recording material using an image forming process. Such an image forming apparatus includes a copying machine, a laser printer, a facsimile, and the like.

The image forming apparatus includes a process cartridge that is removably mounted to the cast assembly, and the process cartridge is removably mounted to the cast assembly of the image forming apparatus, which means that the user maintains the image forming apparatus by himself or by a maintenance technician. Process cartridges have been widely used in the field of chemical forming apparatus since the operation efficiency of the image forming apparatus can be improved because maintenance can be performed quickly and easily.

In the image forming process of the image forming apparatus, after the latent image is electrically formed on the photosensitive member, an image is formed by bringing a developer for forming an image into close proximity, and transferring the image formed on the photosensitive member onto a sheet of paper to print on the sheet. Will form.

Therefore, the image forming apparatus needs a container for storing the developer to form the image formation, and the developer consumed for the image formation is consumed after a certain time. The image forming apparatus in which the developer is consumed may be used by refilling the developer container with the developer for image formation.

The developer container for storing the developer for the image forming machine has a supply port for supplying the developer to one side of the container, and the supply port through the container plug to prevent the developer filled through the supply port from scattering. To seal.

1 is a perspective view showing a conventional process cartridge container and a container closure, in which a circular developer supply port 20 is formed on one side wall of the developer container 10, so as to seal the developer supply port 20. The container plug 30 having the same shape as the supply port 20 is coupled. In addition, the developer supply port 20 and the container cap 30 are fused by adhesive or ultrasonic waves to prevent artificial opening and closing.

However, such a developer container and a container closure have a problem in that a separate fusion process using an adhesive or ultrasonic waves is required to prevent the container closure from being opened and closed from the developer container.

In addition, when the developer container and the container cap are not fused, it is easy to open and close the container cap, thereby recharging the inexpensive poor developer, thereby resulting in a problem of poor image formation and an increase in the failure rate of the image forming apparatus.

In addition, there is a problem in that the supply port shape of the developer container is circular and easily opened to external forcing means.

Accordingly, an object of the present invention is to provide a developer container and a container cap of a process cartridge capable of sealing a supply port of a developer container without a separate bonding process.

In addition, another object of the present invention is to provide a developer container and a container cap of a process cartridge that can determine whether the defective developer is refilled.

Another object of the present invention is to provide a developer container and a container closure of a process cartridge which prevents deformation due to prolonged use.

In addition, another object of the present invention is to provide a developer container and a container closure of a process cartridge that is easy to manufacture and assembly, thereby reducing the production cost and improving production efficiency.

1 is a perspective view showing a conventional process cartridge container and a container closure.

Figure 2 is a perspective view showing a developer container and a developer container closure of the process cartridge according to an embodiment of the present invention.

Figure 3 is a front view showing a first embodiment of a developer container stopper according to the present invention.

4 is a cross-sectional view showing a configuration in which the first embodiment of the developer container and the developer container stopper of FIG. 2 are combined;

5 is a front view showing a second embodiment of a developer container stopper according to the present invention.

6 is a cross-sectional view showing a configuration in which the second embodiment of the developer container and the developer container plug of FIG. 2 are combined;

7 is a sectional view showing another embodiment of a developer container.

(Explanation of symbols for the main parts of the drawing)

100: developer container 200: developer supply port

210: border 220: bend

230: coupling portion 240: fixing groove

300: developer container stopper 310: locking jaw

320: seal 330: flange

340 rib

In order to achieve the above object, the present invention is a developer storage unit for storing the developer, and a developer supply port is formed on one side of the developer storage unit for filling the developer storage unit In the container, the developer supply port is formed with a border extending a predetermined length outward in the longitudinal direction of the developer container, characterized in that the outer surface length of the border is formed extending than the inner surface length of the border.

In addition, the developer supply port is characterized in that it takes a non-circular shape, the developer supply port is characterized in that it takes the shape of a triangle.

In addition, the fixing groove is formed so that it can be positioned when the container stopper formed with the sealing portion is inserted along the outer periphery of the inner surface of the developer supply port rim.

In addition, the present invention is a developer container formed by extending a predetermined length from the developer supply port for filling the developer into the main body of the developer container, the outer side length of the edge is extended than the inner side length of the edge A developer container closure for sealing a developer, comprising: a developer container closure having a flange formed at an outer circumference of one end thereof to prevent the developer container from being inserted beyond an inner edge of the developer container; And a locking step formed at an outer circumference of the other end of the developer container stopper and coupled with the developer supply port to prevent the developer container stopper from being separated from the developer supply port.

In addition, the developer container cap is characterized in that it further comprises a sealing portion for blocking the developer scattered from the developer supply port on the outer periphery between the flange and the locking jaw.

In addition, a fixing groove is provided on the inner surface of the edge of the developer container, and the sealing part is positioned in the fixing groove when sealing the container cap.

The developer container closure further comprises at least one rib extending from the bottom of the container closure to the inner circumference of the container closure.

Hereinafter, with reference to the accompanying drawings illustrating a preferred embodiment of the present invention.

2 is a perspective view showing a developer container and a developer container cap of a process cartridge according to an embodiment of the present invention. In FIG. 2, a developer supply port 200 is formed at one side of the developer container 100 storing the developer, and a developer container 100 is provided at the developer supply port 200. An edge 210 extending to a predetermined length toward the outside in the longitudinal direction of the edge 210 is formed, and the bent portion 220 of a predetermined thickness is formed on the inner surface of the edge 210.

In addition, in order to seal the developer supply port 200, the developer container plug is coupled to the developer container plug 300 having the same cross-sectional shape as that of the developer supply port 200.

A flange 330 is formed at one end of the developer container plug 300, and a locking jaw 310 is formed at the other end of the developer container plug 300, and the flange 330 and the locking jaw 310 are formed. ) Between the developer supply port 200 and the sealing portion 320 for sealing the edge extending in a predetermined length is formed.

The edge 210 is formed by extending a predetermined length from the developer supply port 200 to the outer side in the longitudinal direction of the developer container 100, and the bent portion 220 is formed on the inner side of the edge 210. That is, the outer side length of the edge 210 extends longer than the inner side length of the edge so that the bent portion 220 is formed inside the edge 210, and the flange 330 of the developer container stopper on the bent portion 220. ) To be in close contact.

On the other hand, the shape of the developer supply port 200 may be a circular supply port that is generally used, but in this embodiment, the shape of the developer supply port 200 takes a non-circular shape. That is, taking the shape of the developer supply port 200 and the developer container plug 300 described below in the shape of a polygon in which three or more straight lines are connected, pays more attention to the equilibrium of stress than the circular developer container plug. You should pay attention. Therefore, it is difficult to reuse after illegal removal of the developer container plug. The shape of the developer supply port 200 is preferably triangular.

3 is a front view showing a first embodiment of a developer container stopper according to the present invention. In Fig. 3, the cross-sectional shape of the developer container plug portion 300 is triangular, and a predetermined groove portion is formed.

At one end of the developer container closure 300, a flange 330 is formed along the outer circumference of the developer container closure 300. The flange 300 is in contact with the bent portion 220 formed on the inner surface of the developer supply port 200 rim 210 to prevent the container plug from being completely inserted into the developer supply port 200.

At the other end of the developer container stopper 300, a locking step 310 is formed along the outer circumference of the developer container stopper 300. The locking jaw 310 prevents the container plug inserted into the developer supply port 200 from being detached from the container plug and is fixed to the developer supply port 200.

A band-shaped sealing part 320 is formed along the outer circumference of the developer container stopper 300 between a center portion of the developer container stopper 300, that is, the flange 330 and the locking jaw 310. When the sealing part 320 forms a predetermined thickness and the developer container plug 300 is coupled with the developer supply port 200, the sealing part 320 is developed into a fine space between the developer supply port 200 and the locking step 310. The developer stored in the container 100 is sealed between the inner surface of the edge 210 and the developer container plug 300 to prevent the developer from scattering to the outside through the developer supply port 200.

4 is a cross-sectional view showing a configuration in which the first embodiment of the developer container and the developer container stopper of FIG. 2 are combined; In FIG. 4, the container plug 300 is inserted into the supply port 200 of the developer container in which the edge 210 is formed. Inside the developer supply port 200, the locking jaw 310 of the container stopper 310 interviews the side surface of the developer container 100 to fix the developer container stopper 300 to the developer supply port 200. The developer container plug 300 is prevented from being separated from the first supply port 200.

In addition, the flange 330 of the developer container plug 300 is in close contact with the bent portion 220 formed on the inner surface of the rim 210 so that the developer container plug 300 is moved into the developer supply port 200. To prevent the insertion, the developer container plug 300 is fixed to the edge 210. That is, the locking jaw 310 and the flange 330 seal the supply port 200 of the developer container by fixing the developer container plug 300 between the developer supply port 200 and the bent portion 220. .

In addition, the belt-shaped sealing part 320 installed between the locking jaw 310 and the flange 330 may be less able to scatter the developer passing through the locking jaw 310 to the outside through the developer supply port 200. The inner surface of the rim 210 and the developer container cap 300 are further sealed.

On the other hand, the outer surface of the rim 210 extends a predetermined length more than the length of the developer container plug portion 300 inserted in the rim 210. The extended edge 210 may cause scratches on the edge 210 when the developer container plug 300 is removed in an illegal manner.

5 is a front view showing a second embodiment of a developer container stopper according to the present invention, the description of the same structure as the embodiment of FIG. 3 will be omitted. In the embodiment of Figure 5 includes at least one rib 340 extending a predetermined length from the bottom of the groove portion of the container stopper to the inner circumference of the container stopper.

The rib 340 has a shape such that a straight wall surface of the developer container plug 300 is bent due to the coupling pressure with the edge 210 when the developer container plug 300 is inserted into the developer supply port 200. It prevents the sealing property from falling in a deformation | transformation.

6 is a cross-sectional view showing a configuration in which the second embodiment of the developer container and the developer container plug of FIG. 2 are combined. In FIG. 6, the developer container plug 300 is inserted into the supply port 200 and the edge 210 of the developer container, and the locking jaw 310 of the developer container plug 300 is the developer supply port. It is inserted into the (200) is in close contact with the inner surface of the developer container 100, the developer container closure portion 300 is fixed to the developer supply port 200, the developer container closure portion 300 is separated to the outside Prevent it.

In addition, the rib 340 extending from the bottom of the groove portion of the developer container plug 300 to the inner circumference of the developer container plug 300 has a developer container plug 300 of the developer supply port 200. When inserted into the rim 210, the straight wall surface of the developer container plug 300 is deformed due to external pressure such as bending, thereby preventing the sealing property from deteriorating.

In addition, the flange 300 of the developer container plug 300 is in close contact with the bent portion 220 of the edge 210 to prevent the developer container plug 300 from being inserted into the developer supply port 200. do. Accordingly, the locking jaw 310 and the flange 330 seal the supply port 200 of the developer container by fixing the developer container stopper between the developer supply port 200 and the bent portion 220.

In addition, the strip-shaped sealing portion 320 provided between the locking jaw 310 and the flange 330 has a rim 210 and the container cap so that the developer passing through the locking jaw 310 can be scattered to the outside. The part 300 is further sealed.

On the other hand, the outer surface of the rim 210 extends a predetermined length more than the length of the developer container plug portion 300 inserted in the rim 210. The extended edge 210 causes scratches and the like to occur on the edge 210 when the developer container plug 300 is removed in an illegal manner.

7 is a cross-sectional view showing another embodiment of the developer container. In FIG. 7, fixing grooves 230 having a predetermined size are formed along the outer circumference of the inner surface of the developer supply port rim 210.

The fixing groove 230 is a developer container 100 from the developer container 100 so that when the developer container plug 300 is inserted into the developer supply port 200, the belt-shaped sealing portion 320 can be located. The plug 300 may be prevented from being separated, and the leakage of the developer scattered from the developer container 100 through the developer supply port 200 may be more effectively blocked.

Therefore, the developer supply port 200 formed at one side of the developer container 100 may be completely sealed with the developer container plug 300 without a separate fusion process, and the developer container plug once combined is abnormal. If it is removed, the edge may be damaged, and it may be checked whether the battery is refilled with a poor developer.

As described above, the present invention has the advantage of sealing the supply port of the developer container without a separate bonding process.

In addition, the present invention has the advantage that can be checked whether the defective developer recharged by opening the container in an abnormal way due to the stopper inserted completely into the rim.

In addition, the present invention has the advantage of being able to prevent deformation due to long-term use in a non-circular shape.

In addition, the present invention is easy to manufacture and assembly has the effect of greatly reducing the production cost and production efficiency.

In addition, the refilling of the defective developer can be prevented, thereby extending the service life of the developing apparatus.

In the above, the present invention has been shown and described with respect to certain preferred embodiments. However, the present invention is not limited only to the above-described embodiment, and those skilled in the art to which the present invention pertains without departing from the spirit of the technical idea of the present invention described in the following Utility Model Claims. Various changes may be made.

Claims (8)

A developer container for storing a developer and a developer container having a developer supply port formed on one side of the developer storage unit for filling a developer in the developer storage unit, The developer supply port is a developer container of a process cartridge, characterized in that the edge is formed extending a predetermined length toward the outside in the longitudinal direction of the developer container, the outer side length of the edge is formed to extend than the inner side length of the edge. The method of claim 1, And the developer supply port has a non-circular shape. The method of claim 2, The developer container of the process cartridge, wherein the developer supply port has a triangular shape. The method according to any one of claims 1 to 3, The developer container of the process cartridge, characterized in that the fixing groove is formed along the outer periphery of the inner surface of the rim. A developer extending a predetermined length from a developer supply port for filling the developer into the main body of the developer container, and the developer sealing the developer container formed by extending the outer side length of the edge than the inner side length of the edge. In the container closure, A developer container stopper having a flange formed at an outer periphery of one end portion of the developer container to prevent insertion of more than an edge inner surface of the developer container; And The developer container of the process cartridge, wherein the developer container is formed on an outer circumference of the other end of the developer container stopper, and includes a locking jaw coupled with the developer supply port to prevent the developer container plug from being separated from the developer supply port. stopper. The method of claim 5, The developer container closure of the developer cartridge of the process cartridge further comprises a sealing portion for blocking the developer scattered from the developer supply port on the outer periphery between the flange and the locking jaw. The method of claim 6, The developer container is provided with a fixing groove on the inner surface of the rim, the closure portion of the developer container closure of the process cartridge, characterized in that located in the fixing groove when sealing the container cap. The method according to any one of claims 5 to 7, And the developer container closure further comprises at least one rib extending from the bottom of the container closure to the inner circumference of the container closure.