WO2007143942A1

WO2007143942A1 - Toner bottle

Info

Publication number: WO2007143942A1
Application number: PCT/CN2007/070068
Authority: WO
Inventors: Zhiya He
Original assignee: Print-Rite Technology Development Co., Ltd Of Zhuhai
Priority date: 2006-06-03
Filing date: 2007-05-31
Publication date: 2007-12-21
Also published as: CN2916706Y

Abstract

A toner bottle (1) includes a main body (2), the internal surface of which is provided with a continuous helical groove (23). One end of the main body (2) is open and forms a toner-feeding port (21), and the other end is closed. A cap (4) is provided with a toner outlet (3) and mounted on the toner-feeding port (21) of the main body (2). An irregularly-shaped toner-guiding member (5) is mounted at the cap (4), one end of which being close to the toner outlet (3), and the other end leaning against distal end of the helical groove (23). The cap (4) is provided with at least one protrusion (414, 415) extending toward the main body (2), and the toner-guiding member (5) is provided with a hole (524, 525) corresponding to the protrusion (414, 415).

Description

Toner bottle

The present invention relates to a toner bottle for supplying toner to a developing device of an image forming apparatus such as an electrophotographic copying machine or a printer. The present invention is based on a Chinese utility model patent application filed on Jun. 3, 2006, the entire disclosure of which is hereby incorporated by reference. Background technique

Most of the image forming apparatuses, such as an electrophotographic copying machine or a digital copying machine and an integrated printer, are provided with a developing device for developing an electrostatic latent image formed on the photosensitive drum, the developing device applying carbon powder to the electrostatic latent image for development . Usually, the toner consumed for development is provided by a toner bottle.

There is a toner bottle which comprises a hollow cylindrical body which is closed at one end and open at the other end and which is sealed by a lid having a powder outlet. The inner wall of the cylindrical body is provided with a continuous thread groove, and an irregular toner guiding mechanism is arranged between the powder outlet and the thread groove. When the cylindrical body rotates, the thread groove cooperates with the toner guiding mechanism bow The toner in the I guide container flows to the powder outlet and enters the developing device of the image forming apparatus.

The Chinese patent publication CN2758827Y discloses a toner cartridge comprising a bottle body, a bottle cap and a toner guiding mechanism composed of a toner guiding blade and a toner guiding groove in a hollow portion in the bottle cap. The toner guiding shovel is a shovel piece, one end of which is inserted into the end of the thread groove of the wall of the bottle body, and the other end is fixedly connected with the toner guiding groove to introduce the toner into the toner guiding groove. The toner guiding groove is obtained by axially cutting the hollow pipe, and the other end opposite to the position where the toner guiding blade is located is fixedly connected to the inner wall of the end of the bottle cap through the central axis of the bottle cap, and the concave of the toner guiding groove The direction points to the bottom of the bottle.

The toner guiding mechanism of the toner cartridge is fitted and fixed in the bottle cap through a card slot provided on the inner wall of the bottle cap and a projection provided on the outer edge of the powder guiding end of the toner guiding groove. Due to the processing accuracy, the shape of the card slot and the protrusion may not be precisely matched, which may cause installation difficulties. Summary of the invention

It is an object of the present invention to provide a toner bottle that is easily installed between a toner guiding mechanism and a bottle cap. In order to achieve the above object, the present invention provides the following technical solutions: a toner bottle, including: a cavity wall shape a bottle body having a continuous thread groove, one end opening to form a powder filling port, and the other end closed; a bottle cap with a powder outlet, which is installed at the powder filling port of the bottle body; a toner guiding mechanism, mounted on the bottle cap Wherein one end is adjacent to the powder outlet and the other end is abutted against the end of the threaded groove of the bottle body; wherein the bottle cap is provided with at least one protrusion extending toward the bottle body; corresponding to the protrusion, the toner guiding mechanism is provided with an opening .

Preferably, the toner guiding mechanism further comprises a powder falling portion inserted into the bottle cap, and a powder connecting portion at the end of the threaded groove of the bottle body.

The toner bottle having the above structure, the toner conveyed to the end of the thread groove of the bottle body can be completely picked up by the powder receiving portion of the toner guiding mechanism, and conveyed to the falling powder portion, and then discharged from the powder discharging port. It can ensure that the toner in the bottle is discharged clean. DRAWINGS

1 is a schematic structural view of an embodiment of a toner bottle of the present invention;

Figure 2 is a partial cross-sectional view showing an embodiment of the toner bottle of the present invention;

Figure 3 is a schematic view showing the structure of a bottle cap of the embodiment of the toner bottle of the present invention;

4 is a schematic structural view of a toner guiding mechanism of the embodiment of the toner bottle of the present invention;

Fig. 5 is a schematic view showing the assembly of the toner guiding mechanism and the bottle cap in the embodiment of the toner bottle of the present invention.

The toner bottle of the present invention will be described in detail below with reference to the accompanying drawings. detailed description

Referring to Fig. 1 and Fig. 2, the toner bottle 1 includes a bottle body for loading toner, a bottle cap 4 with a powder outlet 3, and a toner guiding mechanism 5.

The bottle body 2 has a substantially cylindrical shape, and one end opens to form a powder filling port 21, which is sealed by the bottle cap 4, and the other end 22 is closed, and the inner cavity wall is formed with a threaded groove 23. Near the filling port 21, the outer surface of the bottle body 2 is provided with a boss (not shown).

The cap 4 is mounted at the powder filling port 21 of the bottle body 2, and includes a shoulder portion 41 and a neck portion 42. The shoulder portion 41 of the bottle cap 4 has a shape adapted to the powder filling port 21, and has inner and outer skirts 411, 412 extending toward the bottle body 2. The neck portion 42 of the bottle cap 4 is integrally formed with the shoulder portion 41, and is substantially cylindrical. Shape, the diameter is smaller than the diameter of the shoulder. A symmetrical powder outlet 3 is formed on the circumferential surface of the neck portion 41.

At the powder outlet 3, a hollow cylindrical powder outlet cover 31 is slidably fitted over the neck of the bottle cap. The outer side of the portion 42. Two projections 31 1 and 312 are provided on the outer circumferential surface of the powder outlet cover 31. The projections 311 are used to cooperate with the image forming apparatus to open the powder outlet cover 31. A coil spring 313 is mounted between the boss 312 and the shoulder 41 of the cap 4. In order to improve the sealing property of the powder outlet cover 31, a sealing sponge 314 may be interposed between the inner circumference of the powder outlet cover 31 and the outer circumferential surface of the neck portion 42 of the cap 4.

At the free end 421 of the neck portion 42 of the cap 4 is mounted a driver 6, one end 61 of which is coupled to the neck portion 42, and the other end 62 is a quick-fit mechanism for rapid engagement with the imaging device. Wherein, the coupling manner between the driver 61 and the neck portion 42 may be a threaded connection, or may be a snap connection or other suitable coupling manner; the quick-fit structure of the driver may be selected according to the structure of the driver in the imaging device, and the prior art is selected. Quick fit structure.

Referring to Fig. 3, the inner circular surface 416 of the shoulder portion 41 of the cap 4 is provided with two cylindrical projections 414, 415 having the same height and being symmetrical with respect to the central axis of the inner circular surface 416. The outer skirt 412 is provided with a recess 413 corresponding to the boss of the outer surface of the bottle body.

Referring to Fig. 4, the toner guiding mechanism 5 is basically a spiral-shaped sheet having a spiral curved surface including a narrow powder falling portion 51 and a wider powder connecting portion 52. The powder falling portion 51 has two side spiral faces 511, 512 and a front end face 513. The powder receiving portion 52 has a plurality of sides, wherein the two bottom side end faces 521, 522 serve to abut against the end of the threaded groove of the bottle body, so that the shape thereof matches the shape of the bottle body. The powder receiving portion 52 also has a guiding surface 523 on which two circular openings 524, 525 are provided, the center distance of the openings 524, 525 and the two protrusions 414, 415 of the cap 4 The center distance is equal.

The assembly process of the toner guiding mechanism 5 and the cap 4 will be described in detail below with reference to FIG.

Referring to Fig. 5, the openings 524, 525 of the toner guiding mechanism 5 are respectively corresponding to the projections 414, 415 of the cap 4, and the falling powder portion 51 is inserted into the bottle neck 42 to the front end face 513 of the falling powder portion 51 (see the figure). 4) There is also a distance of 2-5 from the powder outlet 3, and the spiral faces 511, 512 (see Fig. 4) on both sides abut against the inner surface of the bottle neck 42, respectively. At this time, the protrusions 414 and 415 respectively pass through the two openings 524 and 525, and are higher than the guiding surface 523 of the powder receiving portion 52 where the openings 524 and 525 are located, and are punctured from the openings 524 and 525 by welding. The two protrusions 414, 415 form a riveting, thereby fixing the toner guiding mechanism 5 and the bottle cap 4 together, and the installation is convenient and simple.

The assembly process of the toner guiding mechanism 5 and the bottle cap 4 and the bottle body 1 and the working process of the toner bottle will be described in detail below with reference to FIG. Referring to FIG. 2, after the bottle cap 4 is assembled with the toner guiding mechanism 5, the recess 413 of the outer skirt 412 of the shoulder portion 41 of the cap 4 is aligned with the protrusion of the outer surface of the bottle body 2, and the toner bottle 1 is filled. The periphery of the powder mouth 21 is aligned with the gap between the inner and outer skirts 412 and 412, and the bottle cap 4 is pressed into the bottle body 2 to make the two bottom side end faces 521 of the powder connecting portion 52 of the toner guiding mechanism 5, The 522 correspondingly abuts against the two hollow circular surfaces on which the last groove of the bottle body 2 is located, thereby forming the toner guiding mechanism 5 to perform fine powdering and pollination when the toner bottle 1 is rotated in a certain direction. A number of functions such as falling powder. Since the bottom of the toner guiding mechanism 5 is larger than the filling port 3, the bottom side of the toner guiding mechanism 5 is first dropped into the bottle body 2, and then folded into the bottle body 2 while being folded.

The working process of the toner bottle is described below. The toner bottle 1 filled with toner is inserted into the image forming device to quickly engage the driving device with the developing device. Since the powder outlet cover 31 is blocked during the forward movement of the toner bottle 1, the spring 313 is compressed to move in the opposite direction with respect to the insertion direction of the toner bottle, and the powder outlet 3 of the toner bottle 1 is opened, and Align the developer port of the developer. When the developing device is in operation, the driver of the developing device drives the toner bottle 1 to rotate, and the toner in the bottle body 2 pushes the toner from the end portion 22 of the bottle body 2 to the toner guiding mechanism 5 by the screw groove 23, and is made of carbon. The powder receiving portion 52 of the powder guiding mechanism 5 is all received, and the toner is guided to the powder falling portion 51 via the guiding surface 523, and finally the toner is sent to the powder discharging port 3 by the falling powder portion 51, and is discharged from the toner bottle 2. When the toner in the bottle body 2 is exhausted, the toner bottle 1 can be taken out in the opposite direction of the insertion direction, and the powder outlet cover 31 that loses resistance is in the opposite direction to the take-out direction under the restoring force of the spring 313. Move, close the powder outlet 3, and prevent the residual powder remaining in the toner bottle 1 from leaking during the removal process.

The technical idea of the present invention is not limited to the above embodiments, and many different specific solutions can be derived according to the concept of the present invention. For example, the diameters of the protrusions 414 and 415 can be designed to be different, and correspondingly, the diameters of the openings 524 and 525 Also, it is possible to prevent the orientation of the toner guiding mechanism from being reversed during assembly, and such minor changes and equivalent transformations are intended to be included within the scope of the claims. Industrial applicability

According to the carbon powder bottle provided by the present invention, the toner guiding mechanism and the bottle cap are riveted together by inserting the protrusion of the bottle cap into the opening of the toner guiding structure, and the fixing is convenient and simple. .

Claims

Claim

1, toner bottle, including

The inner cavity wall is formed with a continuous threaded groove body, one end opening to form a powder filling port, and the other end is closed; a bottle cap with a powder discharging port, which is installed at the powder filling port of the bottle body;

a toner guiding mechanism, installed at the bottle cap, one end is close to the powder discharging port, and the other end is abutting against the end of the thread groove of the bottle body;

It is characterized by:

The cap is provided with at least one protrusion extending toward the bottle body;

Corresponding to the protrusion, the toner guiding mechanism is provided with an opening.

2. A toner bottle according to claim 1, wherein:

After the toner guiding mechanism is mounted to the cap, the protrusions pass out of the opening and are raised above the plane in which the opening is located.

3. The toner bottle according to claim 2, wherein:

The toner guiding mechanism and the bottle cap are riveted joints.

4. The toner bottle according to claim 2, wherein:

There are two protrusions disposed on the same circular plane in the cap and symmetric with respect to the center axis of the circular plane.

5. A toner bottle according to any one of claims 1 to 4, characterized in that:

The toner guiding mechanism includes a powder falling portion inserted into the bottle cap, and a powder connecting portion at the end of the threaded groove of the bottle body.

6. The toner bottle according to claim 5, wherein:

The toner guiding mechanism has a spiral shape and has a spiral curved surface.

7. The toner bottle according to claim 5, wherein: After the falling powder portion is inserted into the cap, the two side spiral faces abut against the inner surface of the cap.

8. The toner bottle according to claim 5, wherein:

After the falling powder portion is inserted into the cap, the distance from the front end face of the falling powder portion to the powder outlet is 2-5 mm.

9. The toner bottle according to claim 5, wherein:

The powder receiving portion has two bottom side end faces, and when the toner guiding mechanism is installed into the bottle body, the two bottom side end faces respectively abut against the two open circular faces at the end of the thread groove of the bottle body.