Laser printing toner cartridge convenient for filling toner

Abstract

The laser printing toner cartridge comprises a toner cartridge main body, the bottom of the toner cartridge main body is in threaded connection with a sleeve, a discharge port of the sleeve is in threaded connection with a sealing cover, supporting blocks are fixedly connected to the two sides of the top of the toner cartridge main body, and the two sides of the top of the toner cartridge main body are in threaded connection with the sealing cover. A sealing device is arranged inside the toner cartridge main body, and the sealing device is used for sealing the discharge port of the sleeve. According to the laser printing toner cartridge convenient for filling the toner, the sleeve in threaded connection is arranged at the bottom of the toner cartridge main body, a user can conveniently dismount and mount the toner cartridge, a sealing cover is taken down, so that toner filling is performed on a selenium drum, the design of a sealing device is achieved, when a discharge port faces downwards, the discharge port of the sleeve can be effectively sealed when the toner cartridge is not used, and toner leakage is prevented; due to the arrangement of the observation window and the scale marks, a user can visually know the residual amount of the powdered ink, and therefore the filling amount of the powdered ink is judged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of printing equipment more specifically, relate to a kind of laser printing toner cartridge of toner is filled conveniently. BACKGROUND

[0002] With the popularization of office automation, laser printer has become an important equipment of daily office. Toner cartridge as the core consumables of laser printer, its structure design directly affects the user's experience and printing cost. The traditional toner cartridge design is often inconvenient to fill toner, and the sealing performance is poor, which can cause toner leakage, environmental pollution and affect the printing quality. Therefore, it has become an urgent need in the industry to design a toner cartridge that is convenient to fill toner and has good sealing performance. SUMMARY

[0003] 1. Technical problem to be solved

[0004] In view of the problem that the traditional toner cartridge design is often inconvenient to fill toner, and the sealing performance is poor, which can cause toner leakage, environmental pollution and affect the printing quality in the prior art, the purpose of the utility model is to provide a laser printing toner cartridge that is convenient to fill toner. It can be achieved by setting a threaded sleeve at the bottom of the toner cartridge main body, which is convenient for users to disassemble and install, and the sealing cover is removed to fill toner for the selenium drum. The design of the sealing device can effectively close the sleeve discharge port when the whole is inverted and the discharge port is downward, preventing toner leakage and facilitating toner filling for the selenium drum. The setting of the observation window and the scale line enables users to intuitively understand the remaining amount of toner, so as to determine the amount of toner filling.

[0005] 2. Technical solution

[0006] To solve the above problems, the utility model adopts the following technical solution.

[0007] A laser printing toner cartridge that is convenient to fill toner, comprising a toner cartridge main body, a sleeve is threadedly connected to the bottom of the toner cartridge main body, a sealing cover is threadedly connected to the discharge port of the sleeve, support blocks are fixedly connected to the top of the toner cartridge main body on both sides, a sealing device is provided inside the toner cartridge main body, and the sealing device is used to seal the discharge port of the sleeve.

[0008] Preferably, the surface of the toner cartridge main body is provided with an observation window.

[0009] Preferably, the sealing device comprises a spring, an extrusion block, a pull rod, a pull ring, a push rod and a sealing plug, the spring is fixedly connected to the top of the inner wall of the toner cartridge body, the toner cartridge body is fixedly connected with the extrusion block through the spring, the top of the extrusion block is fixedly connected with the pull rod, the pull rod is sleeved with the spring, the pull rod penetrates through the toner cartridge body and is in sliding connection, one end of the pull rod located outside the toner cartridge body is fixedly connected with the pull ring, the bottom of the extrusion block is fixedly connected with the push rod, the bottom of the push rod is fixedly connected with the sealing plug, and the sealing plug corresponds to the discharge port of the sleeve.

[0010] Preferably, the outer wall of the sealing plug is provided with a rubber pad, and the rubber pad is in close contact with the inner wall of the discharge port of the sleeve.

[0011] Preferably, the side surface of the toner cartridge body is provided with anti-skid lines, so as to enhance the holding stability of the user during operation.

[0012] Preferably, the surface of the observation window is provided with scale lines, so as to indicate the remaining amount of toner in the toner cartridge.

[0013] 3. Beneficial effects

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] By arranging the sleeve in threaded connection with the bottom of the toner cartridge body, the user can conveniently dismount and install the sealing cover, and then refill the toner in the selenium drum.

[0016] By arranging the sealing device, when the whole is inverted and the discharge port faces downward, the sleeve discharge port can be effectively closed when not in use, so as to prevent toner leakage and facilitate toner refilling in the selenium drum.

[0017] By arranging the observation window and the scale lines, the user can intuitively know the remaining amount of toner, so as to determine the refilling amount of toner. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall external structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the overall internal structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the overall internal structure of the utility model; Figure 2 A local enlarged structure schematic diagram of the utility model;

[0021] Explanation of reference numerals in the drawing:

[0022] 1, toner cartridge main body; 2, sleeve; 3, sealing cover; 4, support block; 5, sealing device; 51, spring; 52, extrusion block; 53, pull rod; 54, pull ring; 55, push rod; 56, sealing plug; 57, rubber pad; 6, viewing window. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present application.

[0024] Embodiment 1

[0025] Please refer to Figures 1-3 The present application provides a technical scheme: a laser printing toner cartridge convenient for toner filling, comprising a toner cartridge main body 1, a sleeve 2 threadedly connected to the bottom of the toner cartridge main body 1, a sealing cover 3 threadedly connected to the discharge port of the sleeve 2, support blocks 4 fixedly connected to the top of the toner cartridge main body 1 on both sides, a sealing device 5 arranged inside the toner cartridge main body 1, and the sealing device 5 used for sealing the discharge port of the sleeve 2. The sleeve 2 is threadedly connected to the bottom of the toner cartridge main body 1, which is convenient for users to disassemble and install. The sealing cover 3 is removed, and the sleeve 2 is inserted into the selenium drum, so as to fill the toner into the selenium drum. The design of the sealing device 5 can effectively seal the discharge port of the sleeve when the whole is inverted and the discharge port is downward, preventing toner leakage. Pulling the sealing device 5 upward can fill the toner into the selenium drum.

[0026] Among them, the surface of the toner cartridge main body 1 is provided with a viewing window 6. The viewing window 6 is arranged to facilitate the staff to observe the internal condition of the toner cartridge main body 1.

[0027] The sealing device 5 comprises a spring 51, a pressing block 52, a pull rod 53, a pull ring 54, a push rod 55 and a sealing plug 56. The spring 51 is fixedly connected to the top of the inner wall of the toner cartridge body 1. The toner cartridge body 1 is fixedly connected with the pressing block 52 through the spring 51. The top of the pressing block 52 is fixedly connected with the pull rod 53. The pull rod 53 is sleeved with the spring 51. The pull rod 53 penetrates through the toner cartridge body 1 and is in sliding connection with the toner cartridge body 1. One end of the pull rod 53, which is located outside the toner cartridge body 1, is fixedly connected with the pull ring 54. The bottom of the pressing block 52 is fixedly connected with the push rod 55. The bottom of the push rod 55 is fixedly connected with the sealing plug 56. The sealing plug 56 corresponds to the discharge port of the sleeve 2. The sealing device 5 is arranged. The spring 51 supports the pressing block 52 downward, drives the pressing block 52 to move downward, drives the push rod 55 to move downward, and seals the sleeve 2 with the sealing plug 56. When the whole is inverted and the discharge port faces downward, the sleeve discharge port can be effectively closed when not in use, preventing toner leakage. Pulling the pull ring 54 upwards moves the sealing plug 56 upwards, so that the toner cartridge can be filled with toner.

[0028] The outer wall of the sealing plug 56 is provided with a rubber pad 57, which is in close contact with the inner wall of the discharge port of the sleeve 2. The rubber pad 57 is arranged to improve the sealing performance of the sealing plug 56.

[0029] The side surface of the toner cartridge body 1 is provided with anti-skid lines to enhance the holding stability of the user during operation.

[0030] The surface of the observation window 6 is provided with scale lines to indicate the remaining amount of toner in the toner cartridge. The arrangement of the observation window 6 and the scale lines enables the user to intuitively understand the remaining amount of toner, so as to determine the amount of toner to be filled.

[0031] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can make equivalent replacements or changes to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered by the protection scope of the present application.

Claims

1. A laser printing toner cartridge facilitating toner refilling, comprising a toner cartridge main body (1), characterized in that: The bottom of the toner cartridge body (1) is threadedly connected with a sleeve (2), the discharge port of the sleeve (2) is threadedly connected with a sealing cover (3), the top of the toner cartridge body (1) is fixedly connected with support blocks (4) on both sides, the inside of the toner cartridge body (1) is provided with a sealing device (5), and the sealing device (5) is used for sealing the discharge port of the sleeve (2).

2. The toner cartridge of claim 1, wherein: The surface of the toner cartridge body (1) is provided with an observation window (6).

3. The toner cartridge of claim 1, wherein: The sealing device (5) comprises a spring (51), an extrusion block (52), a pull rod (53), a pull ring (54), a push rod (55) and a sealing plug (56), the spring (51) is fixedly connected with the top of the inner wall of the toner cartridge body (1), the toner cartridge body (1) is fixedly connected with the extrusion block (52) through the spring (51), the top of the extrusion block (52) is fixedly connected with the pull rod (53), the pull rod (53) is sleeved with the spring (51), the pull rod (53) penetrates through the toner cartridge body (1) and is in sliding connection, one end of the pull rod (53) located outside the toner cartridge body (1) is fixedly connected with the pull ring (54), the bottom of the extrusion block (52) is fixedly connected with the push rod (55), the bottom of the push rod (55) is fixedly connected with the sealing plug (56), and the sealing plug (56) corresponds to the discharge port of the sleeve (2).

4. The toner cartridge of claim 3, wherein: The outer wall of the sealing plug (56) is provided with a rubber pad (57), and the rubber pad (57) is in close contact with the inner wall of the discharge port of the sleeve (2).

5. The toner cartridge of claim 1, wherein: The side of the toner cartridge body (1) is provided with anti-skid lines, so as to enhance the holding stability of the user during operation.

6. The toner cartridge of claim 2, wherein: The surface of the observation window (6) is provided with scale lines, so as to indicate the remaining amount of toner in the toner cartridge.

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