Powder box structure

Abstract

The utility model discloses a powder box structure which comprises a box body, a powder filling opening is formed in the wall face of one side of the box body, a sealing plug piece is arranged in the powder filling opening, the sealing plug piece comprises a hard fixing piece detachably connected with the powder filling opening and a soft sealing piece fixedly connected with the hard fixing piece, and the soft sealing piece is fixedly connected with the hard fixing piece. The soft sealing piece is arranged on the side, close to the interior of the box body, of the powder filling opening, a sealing convex edge is further arranged on the soft sealing piece, and the sealing convex edge can be attached to the inner wall of the box body to form sealing. The hard fixing piece mainly plays a role in being connected with the box body, the soft sealing piece is attached to the powder filling opening to play a role in sealing, and meanwhile the sealing convex edge can further enhance the sealing performance and can be attached to the inner wall of the box body to play a role in limiting the sealing plug piece to move towards the outer side. During disassembly, acting force must be applied to enable the sealing protrusion to deform so that the sealing plug piece can move towards the outer side.

Description

Technical Field

[0001] The utility model relates to a toner cartridge structure. Background Art

[0002] The prior art, such as the Chinese utility model patent document with the publication number CN221056835U, discloses a general toner cartridge, which includes a cartridge body, a stirring roller rotatably arranged in the cartridge body, a powder feeding roller rotatably arranged in the cartridge body, a first gear located outside the cartridge body and connected to one end of the stirring roller, and a second gear located outside the cartridge body and connected to one end of the powder feeding roller. The cartridge body is provided with a powder outlet and a powder filling port.

[0003] Based on the above, in the prior art, a powder filling port is arranged on the cartridge body for adding toner later. During normal use, a sealing plug is inserted into the powder filling port, and the sealing plug is connected to the powder filling port in a plugging manner. The problem with this sealing structure is that the sealing plug is completely connected to the powder filling port through interference fit, and there is no limiting and sealing structure between it and the inner wall of the cartridge body, so it is easy to fall off, and the connection stability is poor, which needs to be further improved. Summary of the Utility Model

[0004] The utility model aims to at least solve one of the technical problems existing in the prior art. For this purpose, the utility model provides a toner cartridge structure with good sealing performance and provided with a sealing protrusion to prevent detachment.

[0005] A toner cartridge structure designed according to this purpose includes a cartridge body. A powder filling port is arranged on one side wall surface of the cartridge body. A sealing plug member is arranged in the powder filling port. The sealing plug member includes a hard fixing member detachably connected to the powder filling port and a soft sealing member fixedly connected to the hard fixing member. The soft sealing member is arranged on the side close to the inside of the cartridge body of the powder filling port. A sealing convex edge is further arranged on the soft sealing member, and the sealing convex edge can be attached to the inner wall of the cartridge body to form a seal.

[0006] Preferably, the hard fixing member and the powder filling port are connected by threads.

[0007] Preferably, a powder stirring roller is arranged in the cartridge body, and both ends of the powder stirring roller are rotatably arranged on the cartridge body.

[0008] Preferably, a positioning sleeve is arranged on the right inner wall of the cartridge body, and a positioning shaft is arranged at the right end of the powder stirring roller. The positioning shaft is rotatably inserted into the positioning sleeve;

[0009] A driven shaft head is arranged at the left end of the powder stirring roller. A clamping and limiting space is formed between the driven shaft head and the powder stirring roller. A transmission shaft hole is arranged on the left side wall surface of the cartridge body, and a communicating shaft hole is arranged between the transmission shaft hole and the inside of the cartridge body to communicate with each other;

[0010] A driven shaft head is internally provided with a driven shaft hole penetrating left and right.

[0011] A transmission head is rotatably arranged in the transmission shaft hole. An extension shaft is arranged on the transmission head. The extension shaft passes through the transmission shaft hole and extends into the driven shaft hole. A clamping member is arranged on the extension shaft and extends into the clamping and limiting space to be clamped with the driven shaft head.

[0012] Preferably, a plurality of positioning protrusions are arranged in a circumferential array on the peripheral wall of the transmission head. A limiting ring groove is arranged on the inner wall of the transmission shaft hole. The positioning protrusions are movably clamped in the limiting ring groove. A sealing ring is arranged in the transmission shaft hole between the transmission head and the communicating shaft hole. The sealing ring is sleeved on the extension shaft.

[0013] Preferably, the upper end of the box body is open, and an upper cover is covered on the upper end of the box body.

[0014] Preferably, the flour stirring roller includes a roller body. First flour stirring blades are arranged along the axial direction on the roller body. First reinforcing ribs are respectively arranged on the left and right sides of the first flour stirring blades. Second flour stirring blades are arranged between adjacent two first flour stirring blades. Flour stirring protrusions are arranged on the second flour stirring blades.

[0015] Compared with the prior art, the sealing plug member of the present invention includes a rigid fixing member detachably connected to the powder filling port and a soft sealing member fixedly connected to the rigid fixing member. The soft sealing member is arranged on the side of the powder filling port close to the inside of the box body. A sealing convex edge is further arranged on the soft sealing member. The sealing convex edge can be attached to the inner wall of the box body to form a seal. The rigid fixing member of the present invention mainly plays a role in connecting with the box body, while the soft sealing member is attached to the powder filling port to play a sealing role. At the same time, the sealing convex edge can further enhance the sealing performance and can be attached to the inner wall of the box body to play a limiting role for the outward movement of the sealing plug member. During disassembly, a force must be applied to deform the sealing protrusion so that the sealing plug member can move outward. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structural schematic diagram of the present invention;

[0017] Figure 2 is a first cross-sectional structural schematic diagram of the present invention;

[0018] Figure 3 is a second cross-sectional structural schematic diagram of the present invention;

[0019] Figure 4 is of the present invention Figure 3 an enlarged structural schematic diagram at A;

[0020] Figure 5 This is the third cross-sectional structure diagram of the utility model;

[0021] Figure 6 This is the utility model Figure 5 The enlarged structure diagram at position B in it. Specific implementation manner

[0022] The following further describes the utility model in conjunction with the accompanying drawings and embodiments.

[0023] See Figures 1-6 , a toner cartridge structure, including a cartridge body 10, a powder filling port 130 is provided on one side wall surface of the cartridge body 10, a sealing plug 70 is provided in the powder filling port 130, the sealing plug 70 includes a rigid fixing member 710 detachably connected to the powder filling port 130 and a flexible sealing member 720 fixedly connected to the rigid fixing member 710, the flexible sealing member 720 is arranged on the side close to the inside of the cartridge body 10 in the powder filling port 130, and a sealing convex edge 730 is further provided on the flexible sealing member 720, and the sealing convex edge 730 can be attached to the inner wall of the cartridge body 10 to form a seal.

[0024] The rigid fixing member of the utility model mainly plays the role of connecting with the cartridge body, while the flexible sealing member fits with the powder filling port to play a sealing role. At the same time, the sealing convex edge can further strengthen the sealing performance and can fit on the inner wall of the cartridge body to play a limiting role in preventing the sealing plug from moving outward. When disassembling, a force must be applied to deform the sealing protrusion so that the sealing plug can move outward.

[0025] Further, the rigid fixing member is a rigid plastic part or a metal part. The rigid fixing member 710 and the flexible sealing member 720 are injection molded by a plastic-encapsulation process. When injection molding, the rigid fixing member 710 is placed in the mold, and through injection molding, the flexible sealing member 720 and the rigid fixing member 710 are connected as a whole to facilitate assembly.

[0026] Further, the rigid fixing member 710 is threadedly connected to the powder filling port 130. Threaded connection can effectively ensure the connection stability and prevent leakage due to falling off.

[0027] See Figure 2 , a stirring roller 30 is arranged in the cartridge body 10, and both ends of the stirring roller 30 are rotatably arranged on the cartridge body 10.

[0028] See Figure 2 and Figure 4 , a positioning sleeve 120 is arranged on the right inner wall of the cartridge body 10, a positioning shaft 301 is arranged at the right end of the stirring roller 30, and the positioning shaft 301 is rotatably inserted into the positioning sleeve 120;

[0029] A driven shaft head 302 is provided at the left end of the powder stirring roller 30. A clamping and limiting space 304 is formed between the driven shaft head 302 and the powder stirring roller 30. A transmission shaft hole 100 is provided on the left side wall surface of the box body 10, and a communicating shaft hole 110 is provided between the transmission shaft hole 100 and the inside of the box body 10 to communicate with each other;

[0030] A driven shaft hole 303 penetrating left and right is provided in the driven shaft head 302;

[0031] A transmission head 40 is rotatably provided in the transmission shaft hole 100. An extension shaft 410 is provided on the transmission head 40. The extension shaft 410 passes through the transmission shaft hole 100 and extends into the driven shaft hole 303. A clamping member 420 extending into the clamping and limiting space 304 and clamping with the driven shaft head 302 is provided on the extension shaft 410.

[0032] During use, the transmission head 40 is coupled and driven by a driving structure inside the printer, and it can drive the extension shaft 410 and the driven shaft head 302 to drive the powder stirring roller 30 to rotate.

[0033] During assembly, first, the positioning shaft 301 at the right end of the powder stirring roller 30 is rotatably inserted into the positioning sleeve 120, and then the transmission head 40 is inserted into the transmission shaft hole 100. At the same time, the extension shaft 410 is inserted into the transmission shaft hole 100 and the driven shaft hole 303. During this process, the clamping member 420 extends into the clamping and limiting space 304 and clamps with the driven shaft head 302.

[0034] See Figure 4 , a plurality of positioning protrusions 401 are arranged in a circumferential array on the peripheral wall of the transmission head 40. A limiting ring groove 101 is provided on the inner wall of the transmission shaft hole 100. The positioning protrusions 401 are movably clamped in the limiting ring groove 101. A sealing ring 60 is provided in the transmission shaft hole 100 between the transmission head 40 and the communicating shaft hole 110. The sealing ring 60 is sleeved on the extension shaft 410.

[0035] The function of the sealing ring 60 is to prevent toner from leaking outwards from the communicating shaft hole 110. The positioning protrusions 401 are movably clamped in the limiting ring groove 101, which can restrict the axial movement of the transmission head 40 to realize pressing the sealing ring 60 by the transmission head 40 to avoid the possibility of powder leakage caused by the displacement of the sealing ring 60.

[0036] In the present utility model, the upper end of the box body 10 is open, and an upper cover 20 is covered on the upper end of the box body 10.

[0037] In the present utility model, the powder stirring roller 30 includes a roller body 310. Along the axial direction of the roller body 310, first powder stirring blades 320 are arranged. On the left and right sides of each of the first powder stirring blades 320, first reinforcing ribs 330 are respectively provided. Between two adjacent first powder stirring blades 320, second powder stirring blades 340 are arranged. On the second powder stirring blades 340, powder stirring protrusions 350 are provided.

[0038] Content not described in detail in this specification belongs to the prior art well known to professionals in the field.

[0039] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation to the present utility model. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features.

[0040] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A powder box structure, comprising a box body (10), a powder filling port (130) being arranged on a wall surface of one side of the box body (10), a sealing plug (70) being arranged in the powder filling port (130), characterized in that: The sealing plug (70) comprises a hard fixing part (710) detachably connected to the powder filling port (130) and a soft sealing part (720) fixedly connected to the hard fixing part (710); the soft sealing part (720) is arranged on a side of the powder filling port (130) close to the inside of the box body (10); the soft sealing part (720) is also provided with a sealing convex edge (730); the sealing convex edge (730) can fit with the inner wall of the box body (10) to form a seal.

2. A powder box structure according to claim 1, characterized in that: The hard fixing member (710) is connected to the powder filling port (130) by means of threads.

3. A powder box structure according to claim 1, characterized in that: A powder stirring roller (30) is arranged in the box body (10), and both ends of the powder stirring roller (30) are rotatably arranged on the box body (10).

4. A powder box structure according to claim 3, characterized in that: A positioning sleeve (120) is provided on the right inner wall of the box body (10), a positioning shaft (301) is provided at the right end of the powder stirring roller (30), and the positioning shaft (301) is rotatably inserted into the positioning sleeve (120); A driven shaft head (302) is provided at the left end of the stirring roller (30), a clamping limit space (304) is formed between the driven shaft head (302) and the stirring roller (30), a transmission shaft hole (100) is provided on the left side wall of the box body (10), and a connecting shaft hole (110) is provided between the transmission shaft hole (100) and the inside of the box body (10) so as to communicate with each other; The driven shaft head (302) is provided with a driven shaft hole (303) penetrating left and right; A transmission head (40) is rotatably arranged in the transmission shaft hole (100), an extension shaft (410) is arranged on the transmission head (40), the extension shaft (410) passes through the transmission shaft hole (100) and extends into the driven shaft hole (303), and a clamping piece (420) is arranged on the extension shaft (410) and extends into the clamping limit space (304) and is clamped with the driven shaft head (302).

5. A powder box structure according to claim 4, characterized in that: A plurality of positioning protrusions (401) are arranged in a circumferential array on the peripheral wall of the transmission head (40); a limiting ring groove (101) is arranged on the inner wall of the transmission shaft hole (100); the positioning protrusion (401) is movably engaged in the limiting ring groove (101); a sealing ring (60) is arranged in the transmission shaft hole (100) between the transmission head (40) and the connecting shaft hole (110); and the sealing ring (60) is sleeved on the extension shaft (410).

6. A powder box structure according to claim 1, characterized in that: The upper end of the box body (10) is open, and the upper end of the box body (10) is covered with an upper cover (20).

7. A powder box structure according to claim 3 or 4, characterized in that: The powder stirring roller (30) comprises a roller body (310), on which first powder stirring pieces (320) are arranged axially, first reinforcing ribs (330) are respectively arranged on the left and right sides of the first powder stirring pieces (320), a second powder stirring piece (340) is arranged between two adjacent first powder stirring pieces (320), and a powder stirring protrusion (350) is arranged on the second powder stirring piece (340).

Images