CN215494552U

CN215494552U - Ventilation structure of carbon powder box

Info

Publication number: CN215494552U
Application number: CN202121493682.6U
Authority: CN
Inventors: 刘强; 王建中; 黄延浪
Original assignee: Zhongshan Huaqiang Electronic Technology Co ltd
Current assignee: Zhongshan Huaqiang Electronic Technology Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-01-11
Anticipated expiration: 2031-07-02

Abstract

The utility model discloses a carbon powder box ventilation structure which comprises a powder box main body, wherein a surface ventilation hole is formed in the front surface of the powder box main body, a positioning groove is fixedly arranged in the powder box main body, a spring positioning column is fixedly arranged above the positioning groove, a cavity ventilation hole is formed in one side, positioned on the positioning groove, in the powder box main body, a ventilation structure is arranged on the inner surface of the powder box main body, positioned on the inner side of the positioning groove, a carbon powder supply hole is formed in the front surface of the powder box main body, a powder box discharge port is fixedly arranged on the upper surface of the powder box main body, and the ventilation structure comprises a moving block, a spring, breathable cotton, a sealing element, a spring positioning groove and a moving block ventilation hole. The carbon powder box ventilation structure can effectively ensure that the internal air pressure of the carbon powder box is stable in the using process, so that the carbon powder is supplied more stably and accurately, the printing effect is not influenced, the carbon powder cannot leak into the air, and the environment is protected.

Description

Ventilation structure of carbon powder box

Technical Field

The utility model relates to the field of laser printing, in particular to a carbon powder box ventilation structure.

Background

The carbon powder box is a container for storing carbon powder, wherein a carbon powder outlet is arranged and is used for being installed in the laser printer, carbon powder is supplemented into the developing device through the outlet in the working process, and characters are developed by fusing the carbon powder onto paper in a laser imaging mode;

however, the existing air permeable structure of the toner cartridge has certain disadvantages to be improved when in use, in the transportation process of the toner cartridge, the whole toner cartridge is sealed, after the toner cartridge is loaded into a machine, the outlet of the toner cartridge is opened to be communicated with the developing device, in the working process, the toner cartridge and the developing device are also sealed, so that in the process of continuously consuming the toner, the air pressure in the containing cavity is reduced, external air enters from the joint of the outlet of the toner cartridge to cause the leakage of the toner from the joint, and because the air pressure is unbalanced, the amount of the toner cartridge supplemented into the developing device is unstable, and the printing effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a ventilating structure of a toner cartridge, which can effectively solve the technical problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the carbon powder box ventilation structure comprises a powder box main body, wherein a surface air vent is formed in the front surface of the powder box main body, a positioning groove is fixedly arranged in the inside of the powder box main body, a spring positioning column is fixedly arranged above the positioning groove, a cavity air vent is formed in one side, located in the positioning groove, of the inside of the powder box main body, a ventilation structure is arranged on the inner side, located in the positioning groove, of the inner surface of the powder box main body, a carbon powder supply hole is formed in the front surface of the powder box main body, and a powder box outlet is fixedly formed in the upper surface of the powder box main body.

As a further scheme of the utility model, the ventilation structure comprises a moving block, a spring, ventilation cotton, a sealing element, a spring positioning groove and a moving block vent hole, the moving block, the ventilation cotton and the sealing element are all installed inside the positioning groove, the sealing element is located on one side of the moving block, the ventilation cotton is located below the moving block, the spring positioning groove and the moving block vent hole are all opened inside the moving block, the spring positioning groove is located on one side of the moving block vent hole, and the spring is movably installed inside the spring positioning groove.

As a further scheme of the utility model, the sealing element is positioned on one side of the air hole of the cavity, the air-permeable cotton is positioned behind the surface air hole, and the lower end of the spring is fixedly connected with the spring positioning column.

As a further scheme of the utility model, the lower end of the moving block vent hole is in fit connection with the breathable cotton, one side of the moving block vent hole is in fit connection with the sealing element, and the top of the moving block protrudes to the upper side of the powder box main body.

As a further scheme of the utility model, the powder box main body is designed to be a hollow structure, and the carbon powder supply hole is communicated with the interior of the powder box main body.

Compared with the prior art, the utility model has the following beneficial effects: in the utility model, by arranging the powder box main body, the ventilation structure, the surface vent hole, the positioning groove, the spring positioning column and the cavity vent hole, the positioning groove is used for installing the moving block, the ventilation cotton and the sealing piece, when the powder box main body is in a non-working state, the spring ejects the moving piece outwards in the spring positioning groove, the sealing piece seals the cavity vent hole, after the powder box main body is arranged in a machine, the moving piece is pressed by the machine shell to move forwards, so that the vent hole of the moving block is aligned with the cavity vent hole, the whole ventilation channel is communicated, the gas inside and outside the powder box main body can be circulated through the channel, the ventilation channel of the gas can exchange the air between the inside and the outside of the powder box main body, the ventilation cotton can allow the air to pass through and limit the carbon powder particles to pass through, the internal air pressure of the powder box can be effectively ensured to be stable and the carbon powder can be supplied more stably and accurately without influencing the printing effect, and the carbon powder can not be leaked into the air, thereby protecting the environment.

Drawings

FIG. 1 is a schematic view of the overall structure of the venting structure of the toner cartridge of the present invention;

FIG. 2 is a schematic structural view of the toner cartridge with the venting structure removed according to the present disclosure;

FIG. 3 is a partial exploded view of the main body of the toner cartridge of the ventilation structure of the toner cartridge of the present invention;

FIG. 4 is a schematic view of the toner cartridge of the present invention with the venting structure removed;

fig. 5 is an internal structure diagram of a moving part of the ventilation structure of the toner cartridge of the present invention.

In the figure: 1. a powder box main body; 2. a breathable structure; 3. surface vents; 4. positioning a groove; 5. a spring positioning post; 6. air holes of the cavity; 7. a moving block; 8. a spring; 9. ventilating cotton; 10. a seal member; 11. a spring positioning slot; 12. a moving block vent hole; 13. a powder box outlet; 14. a carbon powder supply hole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-5, the ventilation structure of the carbon powder box comprises a powder box main body 1, a surface ventilation hole 3 is formed in the front surface of the powder box main body 1, a positioning groove 4 is fixedly installed in the powder box main body 1, a spring positioning column 5 is fixedly installed above the positioning groove 4, a cavity ventilation hole 6 is formed in one side, located at the positioning groove 4, of the inside of the powder box main body 1, a ventilation structure 2 is arranged on the inner side, located at the positioning groove 4, of the inner surface of the powder box main body 1, a carbon powder supply hole 14 is formed in the front surface of the powder box main body 1, and a powder box outlet 13 is fixedly installed on the upper surface of the powder box main body 1;

the ventilation structure 2 comprises a moving block 7, a spring 8, ventilation cotton 9, a sealing piece 10, a spring positioning groove 11 and a moving block vent hole 12, wherein the moving block 7, the ventilation cotton 9 and the sealing piece 10 are all installed inside the positioning groove 4, the sealing piece 10 is located on one side of the moving block 7, the ventilation cotton 9 is located below the moving block 7, the spring positioning groove 11 and the moving block vent hole 12 are both opened inside the moving block 7, the spring positioning groove 11 is located on one side of the moving block vent hole 12, and the spring 8 is movably installed inside the spring positioning groove 11; the sealing element 10 is positioned at one side of the cavity vent hole 6, the breathable cotton 9 is positioned at the rear of the surface vent hole 3, and the lower end of the spring 8 is fixedly connected with the spring positioning column 5; the lower end of a moving block vent hole 12 is connected with the breathable cotton 9 in an attaching mode, one side of the moving block vent hole 12 is connected with a sealing piece 10 in an attaching mode, and the top of a moving block 7 protrudes to the upper portion of the powder box main body 1; the powder box main body 1 is designed to be hollow, and the carbon powder supply hole 14 is communicated with the inside of the powder box main body 1.

It should be noted that the utility model is a toner cartridge ventilation structure, when in use, the toner cartridge main body 1 is used for being installed in a machine, carbon powder is supplied to a developing device through a carbon powder supply hole 14, a surface vent hole 3 is connected with a ventilation cotton 9 for ventilation, the ventilation cotton 9 is connected with a moving block vent hole 12 on a moving piece 7 for ventilation, when the toner cartridge main body 1 is in a non-working state, a spring 8 pops the moving piece 7 outwards, a cavity vent hole 6 is sealed by a sealing piece 10, after the toner cartridge main body 1 is installed in the machine, the moving piece 7 is pressed by a machine shell to move forwards, the moving block vent hole 12 is aligned with the cavity vent hole 6, the whole ventilation channel is communicated, and the air inside and outside the toner cartridge main body 1 can be circulated through the channel.

The utility model arranges the powder box main body 1, the ventilation structure 2, the surface vent hole 3, the positioning groove 4, the spring positioning column 5 and the cavity vent hole 6, the positioning groove 4 is used for installing the moving block 7, the ventilation cotton 9 and the sealing piece 10, when the powder box main body 1 is in a non-working state, the spring 8 ejects the moving block 7 outwards in the spring positioning groove 11, the sealing piece 10 seals the cavity vent hole 6, after the powder box main body 1 is arranged in a machine, the moving block 7 is pressed by the machine shell to move forwards, the moving block vent hole 12 is aligned with the cavity vent hole 6, the whole ventilation channel is communicated, the gas inside and outside the powder box main body 1 can be communicated through the channel, the ventilation channel of the gas can exchange the air between the inside and the outside of the powder box main body 1, the ventilation cotton 9 can allow the air to pass through and limit the carbon powder particles to pass through, the internal air pressure of the powder box can be effectively ensured to be stable in the use process, the carbon powder supply is more stable and accurate, the printing effect is not influenced, and the carbon powder cannot be leaked into the air, so that the environment is protected.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The ventilative structure of cartridge, its characterized in that: including powder box main part (1), surperficial air vent (3) have been seted up to the front surface of powder box main part (1), the inside fixed mounting of powder box main part (1) has constant head tank (4), the top fixed mounting of constant head tank (4) has spring location post (5), cavity bleeder vent (6) have been seted up to one side that the inside of powder box main part (1) is located constant head tank (4), the inboard that the internal surface of powder box main part (1) is located constant head tank (4) is provided with ventilative structure (2), carbon powder supply hole (14) have been seted up to the front surface of powder box main part (1), the last fixed surface of powder box main part (1) installs powder box discharge port (13).

2. The toner cartridge venting structure of claim 1, wherein: the ventilation structure (2) comprises a moving block (7), a spring (8), ventilation cotton (9), a sealing piece (10), a spring positioning groove (11) and a moving block vent hole (12), wherein the moving block (7), the ventilation cotton (9) and the sealing piece (10) are all installed inside the positioning groove (4), the sealing piece (10) is located on one side of the moving block (7), the ventilation cotton (9) is located below the moving block (7), the spring positioning groove (11) and the moving block vent hole (12) are both arranged inside the moving block (7), the spring positioning groove (11) is located on one side of the moving block vent hole (12), and the spring (8) is movably installed inside the spring positioning groove (11).

3. The toner cartridge venting structure of claim 2, wherein: the sealing piece (10) is located on one side of the cavity air hole (6), the breathable cotton (9) is located behind the surface air hole (3), and the lower end of the spring (8) is fixedly connected with the spring positioning column (5).

4. The toner cartridge venting structure of claim 2, wherein: the lower end of the moving block vent hole (12) is attached to the breathable cotton (9), one side of the moving block vent hole (12) is attached to the sealing piece (10), and the top of the moving block (7) protrudes to the upper side of the powder box main body (1).

5. The toner cartridge venting structure of claim 2, wherein: the powder box main body (1) is designed to be a hollow structure, and the carbon powder supply hole (14) is communicated with the inside of the powder box main body (1).