CN209388120U

CN209388120U - Magnetic roller

Info

Publication number: CN209388120U
Application number: CN201822274968.XU
Authority: CN
Inventors: 姚国彬; 刘鸿; 黄秀梅; 吴云
Original assignee: Zhongshan Benda Printing Supplies Co ltd
Current assignee: Zhongshan Benda Printing Supplies Co ltd
Priority date: 2018-12-28
Filing date: 2018-12-28
Publication date: 2019-09-13
Anticipated expiration: 2028-12-28

Abstract

The utility model relates to a printing consumables field, in particular to magnetic roller. The magnetic roller comprises a magnetic roller body, wherein the magnetic roller comprises an aluminum pipe and a magnetic core which is arranged in the aluminum pipe and penetrates through the interior of the aluminum pipe, and an end cover is movably connected to the conductive end of the aluminum pipe. The magnetic core comprises an iron shaft and a magnetic sheet sleeved outside the iron shaft, a transmission head is sleeved at the other end of the aluminum pipe, meshing surfaces matched with the selenium drum internal gear are arranged on two sides of the transmission head, a conductive wire in contact with the conductive end of the iron shaft is arranged in the end cover, and the tail end of the conductive wire is wound out of the end cover and is in contact with the aluminum pipe. Compared with the prior art the utility model discloses an iron shaft combines together with electrically conductive silk and conducts electricity, and the iron shaft is direct to contact with the conducting strip in the selenium drum side cover, has stopped electrically conductive silk and the electrically conductive bad phenomenon that selenium drum side cover movable contact arouses, very big improvement product percent of pass and life.

Description

A kind of magnetic roller

[technical field]

The utility model relates to printing consumables field, in particular to a kind of magnetic roller.

[background technique]

Magnetic roller is the usage experience that important component its performance quality in toner cartridge directly influences client to printer, due to The magnetic roller sold currently on the market all contacts conduction with toner cartridge by the spring of magnetic roller conducting end mostly and works, such to set The shortcomings that meter is that spring aging caused by since toner cartridge is placed for a long time in warehouse or toner cartridge is used continuously for a long time loses bullet Property can not be conductive, will result directly in toner cartridge critical defect printing blackboard, so needing a kind of magnetic roller of conductive stable now to meet The market demand.

[utility model content]

Technical problem to be solved in the utility model is the magnetic for overcoming the deficiencies of the prior art and provide a kind of conductive stable Roller.

For above-mentioned problem, the utility model uses following technical scheme:

A kind of magnetic roller, including magnetic roller ontology, the magnetic roller include aluminum pipe and are arranged in aluminum pipe and run through inside aluminum pipe Magnetic core, be connected with end cap in the conducting end of the aluminum pipe.The magnetic core includes iron axis and is sheathed on outside the iron axis The magnetic sheet in portion is arranged with driving head on the aluminum pipe other end, and the transmission both sides of head is offered to match with toner cartridge internal gear The field of conjugate action, the conductive filament being in contact with iron axis conducting end is equipped in the end cap, the tail end of the conductive filament lays out end cap simultaneously It is in contact with aluminum pipe.

Preferably, the magnetic sheet includes the first magnetic sheet and the second magnetic sheet, and first magnetic sheet and the second magnetic sheet are by resin Magnet is made.

Preferably, first magnetic sheet and the second magnetic sheet are in semi-circular structure.

Preferably, the junction of the end cap and conducting end opens up jagged, and it is recessed that the lateral wall of the end cap offers one Slot, the groove are docked with notch.

Preferably, the conductive filament is plane scroll spring, and iron axis conducting end is across conductive filament center and electric with iron spindle guide End is in contact, and the end of the conductive filament, which is equipped with, extends silk, and the end of described one end for extending silk and conductive filament connects, and extends silk Free end be in contact around notch and being arranged in groove and with aluminum pipe.

A kind of magnetic roller of the utility model has the beneficial effect that:

Since the utility model includes aluminum pipe and the magnetic core that is set to inside the aluminum pipe, the conducting end of the aluminum pipe is set There is an end cap being flexibly connected with the magnetic core, the cover internal is equipped with the conductive filament being in contact with aluminum pipe and magnetic core, and existing There is technology to use iron axis compared to the utility model and combine progress conduction with conductive filament, iron axis is directly led with toner cartridge Bian Gainei Electric piece contact, has prevented conduction bad phenomenon caused by conductive filament and toner cartridge side lid movable contact, greatly improves product conjunction Lattice rate and service life.

It is described further below with reference to effect of the attached drawing to the design of the utility model, specific structure and generation, with It is completely understood by the purpose of this utility model, feature and effect.

[Detailed description of the invention]

Fig. 1 is the schematic diagram of the utility model；

Fig. 2 is the explosive view of the utility model；

Fig. 3 is the explosive view of magnetic roller；

Fig. 4 is the schematic diagram of end cap；

Fig. 5 is the cross-sectional view of end cap；

Fig. 6 is the schematic diagram of driving head；

Fig. 7 is the left view of conductive filament；

Fig. 8 is the cross-sectional view of the utility model；

Fig. 9 is the partial enlarged view of Fig. 8-A；

Magnetic roller ontology 1；Aluminum pipe 2；Conducting end 21；Magnetic core 3；Iron axis 31；Iron axis conducting end 311；First magnetic sheet 32；Second magnetic Piece 33；End cap 4；Notch 41；Groove 42；Driving head 5；The field of conjugate action 51；Conductive filament 6；The end 61 of conductive filament；Extend silk 7；Extend The free end 71 of silk；Extend one end 72 of silk.

[specific embodiment]

A kind of magnetic roller of the utility model is further described below in conjunction with attached drawing:

For the ease of understanding the utility model, in the following with reference to the drawings and specific embodiments, the utility model is carried out more detailed Thin explanation.

In the description of the present invention, it should be understood that "center" in term, "upper", "lower", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching State the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with Specific orientation construction and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " It is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connection ", " connected " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to dismantling connection, or integrally connect It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, be also possible to indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " several " It is meant that two or more.

Referring to Figure 1 to Fig. 7, what Fig. 1 to Fig. 7 was disclosed is a kind of preferred forms of magnetic roller:

A kind of magnetic roller, including magnetic roller ontology 1, the magnetic roller ontology 1 include aluminum pipe 2 and are arranged in aluminum pipe 2 and run through Magnetic core 3 inside aluminum pipe 2 is connected with end cap 4 in the conducting end 21 of the aluminum pipe 2.The magnetic core 3 include iron axis 31 and The magnetic sheet being sheathed on outside the iron axis 31, in the present embodiment, the magnetic sheet includes the first magnetic sheet 32 and the second magnetic sheet 33, described First magnetic sheet 32 and the second magnetic sheet 33 are made by resin magnet, and first magnetic sheet 32 and the second magnetic sheet 33 are in semicircle Type structure, first magnetic sheet 32 and the second magnetic sheet 33 are fitted on iron axis 31, to form magnetic core 3.

Specifically, driving head 5 is arranged on 2 other end of aluminum pipe, 5 two sides of driving head offer and toner cartridge internal tooth The field of conjugate action 51 that matches is taken turns, in the present embodiment, in the other end insertion driving head 5 of the iron axis 31.When toner cartridge starting, selenium Drum internal gear is engaged with the field of conjugate action 51 of driving head 5, so that magnetic roller be driven to rotate.

More specifically, the conductive filament 6 being in contact with iron axis conducting end 311 is equipped in the end cap 4, and in the present embodiment, institute Stating conductive filament 6 is plane scroll spring, and iron axis conducting end 311 passes through 6 center of conductive filament and is in contact with 6 center of conductive filament.

More specifically, the end cap 4 and the junction of conducting end 21 open up jagged 41, the lateral wall of the end cap 4 A groove 42 is offered, the groove 42 is docked with notch 41, to be connected to.

More specifically, the end 61 of the conductive filament, which is equipped with, extends silk 7, in the present embodiment, extends the U-shaped shape of silk 7, institute The end 61 for stating one end and conductive filament for extending silk 7 connects, and extends the free end 71 of silk around notch 41 and is arranged in groove 42 It is interior and be in contact with aluminum pipe 2.The conductive filament 6 is integrated with silk 7 is extended, due to offering on the lateral wall of end cap 4 Groove 42, after the free end 71 for extending silk bypasses notch 41, including being arranged by groove 42, to make end cap 4 and aluminium Pipe 2 is seamlessly connected.Again due to extend silk 7 be it is springy, it is inconsistent with aluminum pipe 2 always, thus conductive.

The conducting process of the utility model are as follows:

Iron axis conducting end 311 is directly contacted with the conductive sheet of toner cartridge Bian Gainei first, and iron axis conducting end 311 passes through conductive filament 6 centers are simultaneously in contact with 6 center of conductive filament, and the end 61 of conductive filament, which is equipped with, extends silk 7, extend the free end 71 of silk around notch 41 and it is arranged in groove 42 and with aluminum pipe 2 and is in contact.Electric energy reaches conductive filament 6 along iron axis conducting end 311, then arrives and extend silk 7, It is finally directly transferred to the conducting end 21 of aluminum pipe, so that aluminum pipe 2 be made to charge.

The preferred embodiment of the utility model is given in attached drawing.But the utility model can be with many different shapes Formula is realized, however it is not limited to this specification described embodiment.On the contrary, purpose of providing these embodiments is makes to this reality Understanding with novel disclosure is more thorough and comprehensive.

Claims

1. a kind of magnetic roller, including magnetic roller ontology (1), the magnetic roller ontology (1) includes aluminum pipe (2) and setting in aluminum pipe (2) And run through the magnetic core (3) inside aluminum pipe, end cap (4) are connected in the conducting end (21) of the aluminum pipe (2), feature exists In: the magnetic core (3) includes iron axis (31) and the magnetic sheet for being sheathed on iron axis (31) outside, aluminum pipe (2) other end On be arranged with driving head (5), driving head (5) two sides offer the field of conjugate action (51) to match with toner cartridge internal gear, described The conductive filament (6) being in contact with iron axis conducting end (311) is equipped in end cap (4), the end of the conductive filament lays out end cap (4) simultaneously It is in contact with aluminum pipe (2).

2. a kind of magnetic roller according to claim 1, it is characterised in that: the magnetic sheet includes the first magnetic sheet (32) and the second magnetic Piece (33), first magnetic sheet (32) and the second magnetic sheet (33) are made by resin magnet.

3. a kind of magnetic roller according to claim 2, it is characterised in that: first magnetic sheet (32) and the second magnetic sheet (33) are equal In semi-circular structure.

4. a kind of magnetic roller according to claim 1, it is characterised in that: the junction of the end cap (4) and conducting end (21) It opens up jagged (41), the lateral wall of the end cap (4) offers a groove (42), and the groove (42) and notch (41) are right It connects.

5. a kind of magnetic roller according to claim 4, it is characterised in that: the conductive filament (6) is plane scroll spring, iron axis Conducting end (311) passes through conductive filament (6) center and is in contact with iron axis conducting end (311), and the end (61) of the conductive filament is set Have extension silk (7), described one end (72) for extending silk is connect with the end (61) of conductive filament, and the free end (71) for extending silk bypasses It lacks and is arranged in groove and is in contact with aluminum pipe.