Powder box structure facilitating powder addition

Abstract

The utility model relates to the technical field of powder box, concretely to a powder box structure of convenient powder adding, including powder box support, the surface of powder box support is installed with powder storehouse, one end of powder box support is fixed with powder adding mouth, powder adding mouth is linked with powder storehouse, the inside cover of powder adding mouth is equipped with the plugging baffle, the inside of powder adding mouth is provided with powder adding mechanism, the inside of powder adding mechanism includes funnel assembly, internal thread groove and outer thread groove, the plugging baffle is provided with double sealing mechanism between powder adding mouth, double sealing mechanism is composed of ring type groove, sealing washer and sealing ring, the utility model not only improves the convenient degree of powder box structure powder adding time, and avoided the phenomenon that powder leaked when powder box structure used.

Description

Technical Field

[0001] This utility model relates to the field of powder box technology, specifically to a powder box structure that facilitates powder addition. Background Technology

[0002] As a key component of laser printers, the toner cartridge directly affects print quality and printing costs.

[0003] To facilitate user convenience and reduce operating costs, refillable toner cartridges are becoming increasingly popular. However, current toner cartridges generally have small filling ports, making toner refilling inconvenient. To prevent toner leakage, the filling port is usually sealed to the cover with a gasket, but the gasket is prone to wear and tear over time, leading to toner leakage. Utility Model Content

[0004] The purpose of this utility model is to provide a convenient toner cartridge structure to solve the problems mentioned in the background art, such as the inconvenience of adding toner and the tendency for toner leakage.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a convenient powder box structure, including a powder box support, a powder hopper mounted on the surface of the powder box support, a powder filling port fixed at one end of the powder box support, the powder filling port communicating with the powder hopper, a sealing cover inside the powder filling port, a powder filling mechanism inside the powder filling port, the powder filling mechanism including a funnel assembly, an internal threaded groove and an external threaded groove, and a double sealing mechanism between the sealing cover and the powder filling port, the double sealing mechanism consisting of an annular groove, a sealing gasket and a sealing ring.

[0006] Preferably, the inner wall of the powder inlet is provided with an internal threaded groove, and the surface of the sealing cover is provided with an external threaded groove along the circumference, wherein the external threaded groove and the internal threaded groove are threadedly engaged.

[0007] Preferably, a funnel assembly is provided on one side of the powder inlet, the funnel assembly consisting of a powder inlet and a threaded ring.

[0008] Preferably, a threaded ring is provided on one side of the powder inlet, the threaded ring and the powder inlet are threaded together, and a powder hopper is fixed to one end of the threaded ring.

[0009] Preferably, a sealing gasket is adhered to the edge of one end of the sealing cover, and when the sealing cover is fixed to the powder filling port, the surface of the sealing gasket is in close contact with the surface of the powder filling port.

[0010] Preferably, the inner wall of the powder filling port is provided with an annular groove, and the surface of the sealing cover is wrapped with a sealing ring. When the sealing cover is fixed to the powder filling port, the surface of the sealing ring is tightly fitted with the inner wall of the annular groove.

[0011] Compared with the prior art, the beneficial effects of this utility model are: the convenient powder box structure not only improves the convenience of adding powder, but also avoids the phenomenon of powder leakage during use.

[0012] 1. With a toner filling mechanism, when toner needs to be added to the toner cartridge, the sealing cover can be rotated and quickly removed by the thread engagement of the external and internal thread grooves. Then, the threaded ring is taken out, inserted into the toner filling port, and the toner filling hopper is rotated. The funnel assembly is fixed inside the toner filling port by the thread engagement of the threaded ring and the internal thread groove. Toner can then be added to the toner hopper through the toner filling hopper. The toner filling hopper makes toner filling of the toner cartridge structure more convenient, thereby improving the convenience of toner filling of the toner cartridge structure.

[0013] 2. With a double sealing mechanism, after adding powder, the funnel assembly can be removed, and the sealing cover can be inserted into the powder filling port and rotated to fix the powder filling port and the sealing cover. At this time, the sealing gasket is in close contact with the surface of the powder filling port, providing an initial seal for the sealing cover and the powder filling port. At the same time, the sealing ring is squeezed into the annular groove, providing a secondary seal for the sealing cover and the powder filling port, thus achieving a double sealing function for the powder box structure and preventing powder leakage during use. Attached Figure Description

[0014] Figure 1 This is a frontal three-dimensional structural schematic diagram of the present invention;

[0015] Figure 2 This is a side view of the three-dimensional structure of the present invention;

[0016] Figure 3 This is a partial enlarged front view cross-sectional schematic diagram of the present invention;

[0017] Figure 4 This is an enlarged structural diagram of the powder adding mechanism of this utility model in its working state.

[0018] In the diagram: 1. Toner box bracket; 11. Toner hopper; 12. Sealing cover; 13. Toner filling port; 2. Toner filling mechanism; 21. Funnel assembly; 211. Toner filling hopper; 212. Threaded ring; 22. Internal threaded groove; 23. External threaded groove; 3. Double sealing mechanism; 31. Annular groove; 32. Sealing gasket; 33. Sealing ring. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. In addition, the terms "first", "second", "third", "upper", "lower", "left", "right", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance. At the same time, in the description of the present utility model, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0020] The present invention provides a convenient powder box structure, as shown in the following figure. Figure 1 and Figure 2 As shown, it includes a toner cartridge support 1, a toner hopper 11 is mounted on the surface of the toner cartridge support 1, a toner filling port 13 is fixed at one end of the toner cartridge support 1, the toner filling port 13 is connected to the toner hopper 11, and a sealing cover 12 is provided inside the toner filling port 13.

[0021] Furthermore, such as Figure 3 and Figure 4 As shown, a powder feeding mechanism 2 is provided inside the powder feeding port 13. The powder feeding mechanism 2 includes a funnel assembly 21, an internal threaded groove 22, and an external threaded groove 23. The inner wall of the powder feeding port 13 has an internal threaded groove 22, and the surface of the sealing cover 12 has an external threaded groove 23 along the circumference. The external threaded groove 23 is threadedly engaged with the internal threaded groove 22. A funnel assembly 21 is provided on one side of the powder feeding port 13. The funnel assembly 21 consists of a powder feeding hopper 211 and a threaded ring 212. A threaded ring 212 is provided on one side of the powder feeding port 13. The threaded ring 212 is threadedly engaged with the powder feeding port 13. One end of the threaded ring 212 is fixed to the powder feeding hopper 211.

[0022] When refilling the toner cartridge, rotate the sealing cover 12. With the threaded engagement of the external threaded groove 23 and the internal threaded groove 22, the sealing cover 12 can be quickly removed. Then, take the threaded ring 212, insert the threaded ring 212 into the toner filling port 13, and rotate the toner filling hopper 211. With the threaded engagement of the threaded ring 212 and the internal threaded groove 22, the funnel assembly 21 is fixed inside the toner filling port 13. Then, toner can be added into the toner hopper 11 through the toner filling hopper 211. The toner filling hopper 211 makes it more convenient to refill the toner cartridge.

[0023] Furthermore, such as Figure 3 and Figure 4As shown, a double sealing mechanism 3 is provided between the sealing cover 12 and the powder filling port 13. The double sealing mechanism 3 consists of an annular groove 31, a sealing gasket 32, and a sealing ring 33. The sealing gasket 32 ​​is adhered to the edge of one end of the sealing cover 12. When the sealing cover 12 is fixed to the powder filling port 13, the surface of the sealing gasket 32 ​​is tightly fitted to the surface of the powder filling port 13. The inner wall of the powder filling port 13 is provided with an annular groove 31. The surface of the sealing cover 12 is wrapped with a sealing ring 33. When the sealing cover 12 is fixed to the powder filling port 13, the surface of the sealing ring 33 is tightly fitted to the inner wall of the annular groove 31.

[0024] When in use, after adding powder, the funnel assembly 21 can be removed, and the sealing cover 12 can be inserted into the powder filling port 13 and rotated to fix the powder filling port 13 and the sealing cover 12. At this time, the sealing gasket 32 ​​is in close contact with the surface of the powder filling port 13, which initially seals the sealing cover 12 and the powder filling port 13. At the same time, the sealing ring 33 is squeezed into the annular groove 31 to perform a secondary seal on the sealing cover 12 and the powder filling port 13, so as to realize the dual sealing function of the powder box structure.

[0025] Working principle: When using the toner cartridge, firstly, if it is necessary to add toner, the sealing cover 12 can be rotated. With the thread engagement of the external thread groove 23 and the internal thread groove 22, the sealing cover 12 can be quickly removed. Then, take the threaded ring 212, insert the threaded ring 212 into the toner filling port 13, and rotate the toner filling hopper 211. With the thread engagement of the threaded ring 212 and the internal thread groove 22, the funnel assembly 21 is fixed inside the toner filling port 13. Then, toner can be added into the toner hopper 11 through the toner filling hopper 211. The toner filling hopper 211 makes it more convenient to add toner to the toner cartridge structure, thereby improving the convenience of adding toner to the toner cartridge structure.

[0026] After adding powder, the funnel assembly 21 can be removed, and the sealing cover 12 can be inserted into the powder filling port 13 and rotated to fix the powder filling port 13 and the sealing cover 12. At this time, the sealing gasket 32 ​​is in close contact with the surface of the powder filling port 13, which initially seals the sealing cover 12 and the powder filling port 13. At the same time, the sealing ring 33 is squeezed into the annular groove 31 to perform a secondary seal on the sealing cover 12 and the powder filling port 13, so as to achieve the double sealing function of the powder box structure, thereby avoiding the phenomenon of powder leakage during the use of the powder box structure, and finally completing the use of the powder box structure.

[0027] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A powder box structure for facilitating powder addition, comprising a powder box support (1), characterized in that: The powder box support (1) is equipped with a powder hopper (11) on its surface. One end of the powder box support (1) is fixed with a powder filling port (13). The powder filling port (13) is connected to the powder hopper (11). The powder filling port (13) is covered with a sealing cover (12). The powder filling port (13) is equipped with a powder filling mechanism (2). The powder filling mechanism (2) includes a funnel assembly (21), an internal thread groove (22), and an external thread groove (23). A double sealing mechanism (3) is provided between the sealing cover (12) and the powder filling port (13). The double sealing mechanism (3) is composed of an annular groove (31), a sealing gasket (32), and a sealing ring (33).

2. A powder box structure for easy powder addition according to claim 1, characterized in that: The inner wall of the powder inlet (13) is provided with an internal thread groove (22), and the surface of the sealing cover (12) is provided with an external thread groove (23) along the circumferential direction. The external thread groove (23) and the internal thread groove (22) are threadedly engaged.

3. A powder box structure for easy powder addition according to claim 2, characterized in that: A funnel assembly (21) is provided on one side of the powder inlet (13), the funnel assembly (21) consisting of a powder inlet (211) and a threaded ring (212).

4. A powder box structure for facilitating powder addition according to claim 3, characterized in that: A threaded ring (212) is provided on one side of the powder inlet (13), and the threaded ring (212) is threadedly engaged with the powder inlet (13). A powder hopper (211) is fixed at one end of the threaded ring (212).

5. The powder box structure for convenient powder addition according to claim 1, characterized in that: A sealing gasket (32) is glued to the edge of one end of the sealing cover (12). When the sealing cover (12) is fixed to the powder filling port (13), the surface of the sealing gasket (32) is in close contact with the surface of the powder filling port (13).

6. The powder box structure for convenient powder addition according to claim 5, characterized in that: The powder filling port (13) has an annular groove (31) on its inner wall. The sealing cover (12) is wrapped with a sealing ring (33). When the sealing cover (12) is fixed to the powder filling port (13), the surface of the sealing ring (33) is tightly fitted to the inner wall of the annular groove (31).

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