CN206573856U - Developing cell and the handle box comprising the developing cell - Google Patents

Abstract

The utility model discloses a kind of developing cell, including：Developer roll；Framework, it is used to support the developer roll；Also include the movable part being arranged on framework, the movable part is movably supported relative to the framework, it can be moved relative to the framework between the 1st position and the 2nd position, the first magnetic is provided with the framework, the second magnetic is provided with the movable part, the movable part has the power receiving portion for receiving the power moved from the 1st position to the 2nd position, the movable part is when the power receiving portion stress is in 2 position, the movable part is received makes the repulsive force that the movable part is moved from the 2nd position to the 1st position between the first magnetic and the second magnetic.Disclosed herein as well is a kind of handle box for including the developing cell.

Description

Developing cell and the handle box comprising the developing cell

Technical field

The utility model is related to the Delevoping cartridge and handle box comprising the Delevoping cartridge for compeling selection structure, the Delevoping cartridge or The handle box is mounted in electrophotographic image forming.

Here, electrophotographic image forming is that setting for image is formed on recording materials using electrophotographic image forming method It is standby.Shone for example, it includes electrophotographic copier, electrophotographic printer (LED printers, laser printer etc.), electronics Phase facsimile machine, electrofax word processor etc..

Delevoping cartridge is the unit for including developer bearing member, and the developer bearing member is used to hold in image to being formed The latent electrostatic image developing on component (such as electrophotographic photosensitive element) is carried, above-mentioned component, which is integrally coupled to, removably pacifies Loaded in the box on electrophotographic image forming master component.

Handle box is comprising image bearing member (such as electrophotographic photosensitive element), for carrying structure in image to being formed The unit of the developer bearing member of latent electrostatic image developing on part and the developer containing part of receiving developer, above-mentioned component It is integrally coupled in the box being removably installed on electrophotographic image forming master component.

Background technology

In traditional imaging device, the processing unit and electronic photographic sensitive that can be acted in electronic photographic sensitive drum Drum is integrated as box.Using following handle box type, i.e., wherein box is detachably mounted to electrophotographic image forming master On component.According to this handle box type, the attended operation of device is carried out by user, without relying on attendant, thus Significantly improve operability.So, this handle box type is widely used in electrophotographic image forming.

The electronics being projected onto corresponding to the light of the image information of laser, LED or lamp in electrophotographic image forming shines In phase photosensitive drums.Thereby, electrostatic latent image is formed in photosensitive drums.The electrostatic latent image is developed by developing apparatus.Formed Developed image in photosensitive drums is transferred on recording materials.Thereby, image is able to be formed on recording materials.

Conventional process box in imaging process, developer roll in developing apparatus after the completion of printing can not with photosensitive drums every Open, this causes the service life of developer roll and photosensitive drums to reduce, therefore, in order to increase the use longevity of developer roll and photosensitive drums A kind of life, the developer roll that TaiWan, China patent publication No. TW201621483A is disclosed in Delevoping cartridge, Delevoping cartridge is completed in printing After can be separated with photosensitive drums, while the Delevoping cartridge have compel selection structure, this compel selection structure include can receive external force movable part and The elastic component between development box framework and the movable part is arranged on, is caused using the elastic force after the elastic component compressive deformation Developer roll contacts photosensitive drums to complete imaging action with certain pressure.

Utility model content

The utility model has further developed the structure of above-mentioned prior art.

Therefore, the purpose of this utility model main purpose is to provide a kind of Delevoping cartridge and handle box, can increase developer roll, sense Light rouses life-span and the life-span of developer.

In order to reach above-mentioned technical purpose, the utility model is achieved through the following technical solutions：

A kind of developing cell, is mounted in the main body of imaging device, including：

Developer roll；

Framework, it is used to support the developer roll；

Characterized in that, also including the movable part being arranged on framework, the movable part is removable relative to the framework Supported, can be moved relative to the framework between the 1st position and the 2nd position, the first magnetic is provided with the framework The second magnetic is provided with body, the movable part, the movable part has to receive to be moved from the 1st position to the 2nd position Power power receiving portion, the movable part is in the power receiving portion stress during in 2 position, and the movable part is received Make the repulsive force that the movable part is moved from the 2nd position to the 1st position between first magnetic and the second magnetic.

First magnetic and the second magnetic identical magnetic pole are oppositely arranged.

Second magnetic is arranged on the movable part, and the movable part is made up of non magnetic material.

The movable part is made up of magnetic material.

Developing cell as claimed in claim 1, it is characterised in that one is done on the axis direction perpendicular to developer roll empty Quasi-plane, first magnetic and second magnetic are set in the same plane.

In terms of the axis direction of the developer roll, the distance ratio of second magnetic and the axis of the developer roll is described The distance of first magnetic and the axis of the developer roll is longer.

The movable part has the supported portion rotatably supported by the framework, from the axis side of the developer roll To seeing, the distance between the power receiving portion and supported portion are than the distance between second magnetic and described supported portion It is longer.

It is further that including above-mentioned developing cell kind is any there is provided a kind of handle box, in addition to photosensitive Bulging photosensitive unit, the photosensitive drums can receive the developer exported from the developing cell.

After such scheme is employed, the developing cell that the utility model is provided, the development that will be arranged in developing cell Roller and the photosensitive drums being arranged in photosensitive unit can be spaced-apart after the completion of printing, considerably increase developer roll and photosensitive drums Service life, and separate developer roll immediately after having printed and photosensitive drums can also be so that developer be not in due to long-time quilt Spoilage problems caused by developer roll and photosensitive drums extruding, further reduce the consumption of developer.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are Some embodiments of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, Other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the structural representation of the photosensitive unit matched with the utility model developing cell；

Fig. 2 is the decomposition texture schematic diagram of developing cell in the utility model first embodiment；

Fig. 3 is the structural representation of developing cell in the utility model first embodiment；

Fig. 4 is the partial structural diagram of the urgent pushed section point of developing cell in the utility model first embodiment；

Fig. 5 is the structural representation for controlling guide rail in the imaging device that the developing cell that the utility model is provided is applicable；

Fig. 6 is the structural representation of the variant embodiment of the new first embodiment of the utility model；

Fig. 7 is the partial structural diagram of the urgent pushed section point of developing cell in the utility model second embodiment；

Fig. 8 is the decomposition texture schematic diagram of the urgent pushed section point of developing cell in the utility model 3rd embodiment；

Fig. 9 is the decomposition texture schematic diagram of the urgent pushed section point of developing cell in the utility model 3rd embodiment；

Figure 10 is the partial structural diagram of the urgent pushed section point of developing cell in the utility model fourth embodiment.

Embodiment

The utility model is described in detail below in conjunction with the accompanying drawings, when the utility model embodiment is described in detail, for ease of Illustrate, general ratio can be disobeyed and do partial enlargement by representing the accompanying drawing of device architecture, and the schematic diagram is example, its This should not limit the scope of the utility model protection.It should be noted that accompanying drawing is used using very simplified form and Non- accurately ratio, only to convenient, clearly aid illustration the utility model embodiment purpose.

Embodiment one

As shown in figure 1, photosensitive unit 50 has photosensitive drums 51, it is the charging roller 52 that photosensitive drums 51 charge, supports photosensitive drums Handle 54 is provided with 51 framework 53, framework 53.

As shown in Figures 2 and 3, developing cell 1 includes the framework 2 with developer containing part, support on the frame 2 aobvious Shadow roller 3, a power reception portion 4 receives the driving head in imaging device（Not shown in figure）Driving force and drive developer roll 3 Elastic component installation portion 2a is provided with rotation, framework 2, elastic component 6 is arranged on elastic component installation portion 2a, protecting cover 5 is used to protect Power reception portion 4 and elastic component 6.When developing cell 1 and photosensitive unit 50 are all installed in an imaging device, developing cell 1 can be with Power applying unit in imaging device can be moved with merging inside imaging device.

Describe for convenience, the developer roll 3 in developing cell 1 has just been contacted with the photosensitive drums 51 in photosensitive unit 50 but It is the state position referred to as contact position for not having between two kinds to produce pressure；The state that developer roll 3 and photosensitive drums 51 are spaced Position is referred to as spaced-apart locations；The state position of pressure contact between developer roll 3 and photosensitive drums 51 is called to compel push position.Work as development Unit 1 is in urgent push position power reception portion 4 and the drive that can be received in imaging device is engaged with the driving head in imaging device Power.Developing cell 1 can be moved between contact position, spaced-apart locations and urgent push position.Along the rotation axis direction of developer roll 3 In terms of the side of power acceptance division 4, the side that the developer roll 3 in developing cell 1 rotates to the photosensitive drums 51 close to photosensitive unit 50 To referred to as direction of advance M, developer roll 3 is referred to as direction of retreat N to the direction rotated away from photosensitive drums 51.By imaging device in Fig. 5 The moving direction of main body track in middle power applying unit is referred to as left and right directions.

As shown in figure 4, the installation portion 2a on framework 2 includes the first elastic component limiting section 2a1 and the second elastic component limiting section 2a2, elastic component 6 is particularly configured to elastic sheet metal in the present embodiment, and the attached portion 6e of elastic component 6 is caught in above-mentioned first bullet In the gap formed between property part limiting section 2a1 and the second elastic component limiting section 2a2.Elastic component 6 includes variant part 6a, the first power Connected between receiving portion 6b and the second power receiving portion 6d, the first power receiving portion 6b and the second power receiving portion 6d by a transition part 6c Connect.

As shown in figure 5, the power applying unit 60 in imaging device applies component comprising cam 61, main body track 62 and power 63.Imaging device driving cam 61 is rotated along R directions, and the driving main body of cam 61 track 62 is moved back and forth in left-right direction.Set Power on main body track 62, which applies component 63, has the first power applying unit 63a and the second power applying unit 63b.

It is to be in spaced-apart locations that developing cell 1, which is initially installed in imaging device, when main body track 62 is in the band of cam 61 When the L directions of dynamic lower edge from left to right are moved, the first power applying unit 63a is contacted simultaneously with the first power receiving portion 6b on elastic component 6 Further compressing elastic component 6 causes variant part 6a to produce deformation, at the same developing cell 1 by power applying unit 60 drive and along advance Direction M rotates, and is moved from spaced-apart locations to contact position and moves further into urgent push position, specifically on framework 2 First elastic component limiting section 2a1 and the second elastic component limiting section 2a2 limit the attached portion 6e of elastic component 6, positioned at mounted Variant part 6a is deformed between portion 6e and the first power receiving portion 6b, and the elastic force that variant part 6a is produced due to deformation will be aobvious Shadow roller 3 contacts photosensitive drums 51 with certain pressure.After the completion of printing, main body track 62 cam 61 drive lower edge from right to left The movement of H directions, the second power applying unit 63b and the second power receiving portion 6d coordinate by developing cell 1 drive and along direction of retreat N rotations Turn to be moved to spaced-apart locations from urgent push position.Elastic component 6 can use metal material, it would however also be possible to employ resin material such as silicon rubber Glue etc., as long as the elastic force provided can cause developer roll to contact photosensitive drums with certain pressure.

As shown in fig. 6, in the present embodiment, in order to further increase the intensity at elastic component 6, pressing close to elastic component 6 and setting one Individual boss 7, boss 7 is mobilizable to be installed on framework 2, and specific boss 7 is rotatably mounted on framework 2, Such a setting can not only increase the intensity at elastic component 6, and can simplify the structure of elastic component 6, for example can be by the second power Receiving portion 6d is arranged in boss 7, when elastic component 6 is pressed by the first power applying unit 63a and during elastic deformation, boss 7 by Moved in the deformation of elastic component 6, the elastic force of elastic component 6 still may be such that developing cell 1 is in and compel push position, in order to prevent The rotating range that stop part 2a3 is used to limit boss 7 is provided with the excessive rotation of boss 7, framework 2.When main body track 62 by developing cell 1 from urgent push position shift to spaced-apart locations when, the second power applying unit 63b and boss 7, which coordinate, to develop single Member 1 is moved from urgent push position to spaced-apart locations.The setting of boss 7 can effectively prevent elastic component 6 from causing because occurring excessive deformation The problem of elastic component 6 fails.

Elastic component 6 can also use the structure of torsion spring in the present embodiment, and torsion spring is installed on the frame 2, and one free end is consolidated Due to the first power receiving portion that the power that can receive the first power applying unit 63 on framework 2, is provided with another free end, torsion spring is utilized Elastic deformation can equally reach the technique effect of the present embodiment.

Embodiment two

In the present embodiment on function same as the previously described embodiments, effect part, using with above-described embodiment Same names and omit the description.

The structure of the present embodiment is elaborated referring to diagram.

As shown in fig. 7, in the present embodiment, magnetic installation portion 2b2 is provided with framework 2, the first magnetic 8 is installed on magnetic Property body installation portion 2b2 on, the mobilizable installation of movable part 601 sets effectively bear structure on the frame 2, specifically on the frame 2 Part installation portion 2b1, movable part 601 bears component mounting portion 2b1 rotations around power, and the second magnetic part 9 is arranged on movable part 601, The first power receiving portion 601a and the second power receiving portion 601b are provided with movable part 601.First power applying unit 63a and the second power are applied Plus portion 63b can drive movable part 601 to rotate with the first power receiving portion 601a and the second power receiving portion 601b cooperations respectively, movable part 601 can rotate between the 1st position and the 2nd position, second magnetic when being rotated from the 1st position to the 2nd position of movable part 601 9 to moving close to the first magnetic 8, movable part 601 when rotate from the 2nd position to the 1st position the second magnetic 9 to remote the The direction movement of one magnetic 8.First magnetic 8 and the second magnetic 9 are arranged in such a way, when developing cell is in When compeling push position, i.e., when movable part 601 is in 2 position, the repulsive force between the first magnetic 8 and the second magnetic 9 is big In the repulsive force when movable part 601 is in 1 position between the first magnetic 8 and the second magnetic 9.The He of first magnetic 8 One end of identical polar is relative between second magnetic 9, utilizes identical polar between the first magnetic 8 and the second magnetic 9 Magnetic repulsive force causes developer roll to contact photosensitive drums with certain pressure.In terms of the axis direction of developer roll, the second magnetic 9 is with showing The distance of the axis of shadow roller is longer than the distance of the first magnetic 8 and the axis of developer roll, in this way, the second magnetic 9 is close Simultaneously also close to developer roll during the first magnetic 8 so that developer roll can contact photosensitive drums with certain pressure.In order to reduce One power applying unit 63a put on the first power receiving portion 601a power, movable part 601 be provided with it is rotatable by the framework 2 Supported portion, in terms of the axis direction of the developer roll, described in the ratio that the distance between power receiving portion and supported portion are set Second magnetic and the distance between the supported portion are longer, in this way, can reduce the first power applying unit 63a to movable part 601 Torque.

Embodiment three

In the present embodiment on function same as the previously described embodiments, effect part, using with above-described embodiment Same names and omit the description.

The structure of the present embodiment is elaborated referring to diagram.

As shown in Figure 8 and Figure 9, in the present embodiment, the first power receiving portion 602a is arranged on movable part 602, and the second power is held It is arranged on by portion 603a in separation unit 603, movable part 602 and separation unit 603a splits are set, and mounting post is provided with framework 2 2c1, movable part 602 and separation unit 603 are coaxial to be arranged on mounting post 2c1, and movable part 602 is configured to that with separation unit 603 This is freely rotatable.It is additionally provided with framework 2 on First elastic component connecting portion 2c2, movable part 602 and is provided with the second elastic structure Part connecting portion 602b, one end of elastic component 10 is connected to the First elastic component connecting portion 2c2 other ends and connected with second elastic component Socket part 602b connections, the limiting section that movable part 602 can rotate under the elastic force of elastic component 10 and be arranged on framework 2 2c3 is limited and stopped at limiting section 2c3.Protecting cover 501 is provided with the cards of the first screens 501a and second to the side of framework 2 above Position 501b, the first screens 501a and the second screens 501b are used for the rotating range for limiting separation unit 603, and the first screens 501a's sets Put is in order to prevent separation unit 603 from being rotated excessively to close to power reception portion 4 without that can be engaged with the second power applying unit 63b the Two screens 501b setting is in order to which when the second power applying unit 63b pulls separation unit 603 to rotate, separation unit 603 passes through by the Two screens 501b stop and drive developing cell to rotate.When developing cell, which is in, compels push position, the first power applying unit 63a is promoted Movable part 602 overcomes the elastic force of elastic component 10 to rotate, and developing cell causes developer roll under the elastic force of elastic component 10 Photosensitive drums are contacted with certain pressure, after the completion of printing, the second power applying unit 63b pulls the second power receiving portion 603a and makes score Rotated from portion 603 and finally drive developing cell to be in the spaced-apart locations that developer roll is separated with photosensitive drums.

In the present embodiment, elastic component 10 is preferred to use the structure of extension spring, selectable to use the torsion spring of stage clip Etc. other structures, to show using the elastic force of the elastic components such as extension spring, stage clip and torsion spring by appropriate structure design Shadow roller is contacted with photosensitive drums with certain pressure to be imaged good completion imaging action, and movable part 602 and separation unit 603 are coaxially pacified It can preferably cause structure compacter on mounting post 2c1 and reduce the volume of developing cell, still, movably Portion 602 and separation unit 603, which are arranged in the different mounting posts of framework 2, can similarly reach the technique effect of the present embodiment. Separation unit 603 is arranged to be freely rotatable mode and causes that the power applying unit 63b of separation unit 603 and second can be with as the presently preferred embodiments More flexibly coordinate and be difficult to be disengaged from, because separation unit 603 need not provide the pressure that developer roll contacts photosensitive drums, Separation unit 603 can be arranged to non-movable, specifically by separation unit 603 by the first screens 501a and the second screens 501b Limitation and it is immovable, or separation unit 603 and framework 2 are integrally formed and separation unit 603 is fixed on framework equally can be with Reach separation developer roll and the technique effect of photosensitive drums.

As described in Figure 10, as the variant embodiment of the present embodiment by the first power receiving portion 604a and the second power receiving portion 604b is arranged on same movable part 604, and movable part 604 is installed on mounting post 2d on the frame 2 and rotatable, extension spring 11 The other end of one end connection framework 2 connects movable part 604, when developing cell to show in urgent push position using the elastic force of extension spring 11 Shadow roller contacts photosensitive drums with certain pressure.The volume of developing cell further can be done small.

More than of the present utility model in each specific embodiment, movable part preferably is all moved with direction of rotation, but this area It will be appreciated by the skilled person that movable part not only could cause elastic component deformation and reach and compel to push away development by rotary moving Roller contacts the technique effect of photosensitive drums with certain pressure, and movable part can similarly cause elastic component deformation by slip and reach To the technique effect for compeling to push away developer roll and being contacted with certain pressure photosensitive drums.In various embodiments above, the ordinary skill people of this area Member it should be appreciated that framework should include protecting cover, the component such as movable part, elastic component and separation unit can with installation frame comprising protecting cover On any one.

Developing cell and photosensitive unit are preferably to be provided separately in the present embodiment, selectable, developing cell and photosensitive list The handle box form that member can also be made of one, developing cell in the handle box is rotated around photosensitive unit and can reach this practicality The technique effect in each embodiment in new.

Although the utility model has been described with reference to specific embodiments, do not having for those skilled in the art Various modifications can be done under conditions of scope of the present utility model.

Developing cell and handle box that the utility model is provided, have further developed prior art, simple in construction, cost is low It is honest and clean so that the photosensitive drums of developer roll and photosensitive unit in developing cell can be spaced-apart after the completion of printing, greatly increases The service life of developer roll and photosensitive drums, and separating developer roll and photosensitive drums immediately after having printed can also cause developer will not Occur, due to spoilage problems caused by the developed roller of long-time and photosensitive drums extruding, further reducing the consumption of developer.

Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to foregoing reality Example is applied the utility model is described in detail, it will be understood by those within the art that：It still can be to preceding State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and model of each embodiment technical scheme of the utility model Enclose.

Claims (9)

1. a kind of developing cell, is mounted in the main body of imaging device, including：

Developer roll；

Framework, it is used to support the developer roll；

Characterized in that, also including the movable part being arranged on framework, the movable part is relative to the moveable quilt of the framework The first magnetic part and the second magnetic part are relatively set with support, the framework and on the movable part.

2. developing cell as claimed in claim 1, it is characterised in that the movable part can be at the 1st relative to the framework Put and the 2nd position between move, the movable part, which has, to be received the power of power moved from the 1st position to the 2nd position and bears Portion, the repulsive force of first magnetic and second magnetic at 2 position be more than first magnetic with it is described Repulsive force of second magnetic at 1 position.

3. developing cell as claimed in claim 1 or 2, it is characterised in that first magnetic and second magnetic Magnetic identical magnetic pole is oppositely arranged.

4. developing cell as claimed in claim 1 or 2, it is characterised in that second magnetic is arranged on the movable part On, the movable part is made up of non magnetic material.

5. developing cell as claimed in claim 1 or 2, it is characterised in that the movable part is made up of magnetic material.

6. developing cell as claimed in claim 1, it is characterised in that one is done on the axis direction perpendicular to developer roll virtual Plane, first magnetic and second magnetic are set in the same plane.

7. developing cell as claimed in claim 1, it is characterised in that in terms of the axis direction of the developer roll, described second The distance of magnetic and the axis of the developer roll is longer than the distance of first magnetic and the axis of the developer roll.

8. developing cell as claimed in claim 2, it is characterised in that the movable part has by the rotatable quilt of the framework The supported portion of support, in terms of the axis direction of the developer roll, the distance between the power receiving portion and supported portion compare institute State the second magnetic and the distance between the supported portion is longer.

9. a kind of handle box, it is characterised in that

Including any described developing cell of claim 1 to 7,

Also include the photosensitive unit with photosensitive drums, the photosensitive drums can receive the developer exported from the developing cell.