CN101393416B - Protection cover, and process cartridge and image forming apparatus using the same - Google Patents

Protection cover, and process cartridge and image forming apparatus using the same Download PDF

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Publication number
CN101393416B
CN101393416B CN2008100877785A CN200810087778A CN101393416B CN 101393416 B CN101393416 B CN 101393416B CN 2008100877785 A CN2008100877785 A CN 2008100877785A CN 200810087778 A CN200810087778 A CN 200810087778A CN 101393416 B CN101393416 B CN 101393416B
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China
Prior art keywords
handle box
processing system
image processing
over cap
system housing
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CN2008100877785A
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Chinese (zh)
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CN101393416A (en
Inventor
饭仓和昭
松井敏之
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Fujifilm Business Innovation Corp
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Fuji Xerox Co Ltd
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Priority claimed from JP2007243153A external-priority patent/JP4524695B2/en
Priority claimed from JP2007243154A external-priority patent/JP4524696B2/en
Application filed by Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Publication of CN101393416A publication Critical patent/CN101393416A/en
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Abstract

A protection cover includes a cover base that covers and protects an external exposure portion of a photosensitive member and that comes into contact with an image forming apparatus housing body to movably guide a process cartridge; an extrusion member that is disposed in the cover base on a side opposite to an insertion direction of the process cartridge to the image forming apparatus housing body and that moves in the insertion direction of the process cartridge to extrude the process cartridge from the cover base; and a restriction portion that is disposed in the extrusion member to restrict the process cartridge in the cover base in a state where the process cartridge is located in the cover base and to release the process cartridge from the cover base in a state where the process cartridge is inserted and mounted to the image forming apparatus housing body.

Description

The handle box and the image processing system of over cap, use over cap
Technical field
The present invention relates to the handle box and the image processing system of over cap, use over cap.Background technology
For example; JP-A-8-292706 (the exemplary embodiment of invention; Figure 24-Figure 27 B) disclose this technology: over cap is removably mounted on the handle box with photosensitive-member; Make over cap can protect the photographic layer of photosensitive-member; And when handle box being inserted and is installed to the image processing system housing, utilize over cap as guide member to be accompanied by the insertion operation of handle box being inserted the image processing system housing, along the direction opposite over cap is pulled down from handle box with direction of insertion.
Summary of the invention
The invention provides a kind of when protecting photosensitive-member at least fully, at the safe fitting operation that under the situation that handle box is fallen handle box is installed on the image processing system housing.
According to a first aspect of the invention; A kind of over cap is provided; Said over cap removably is arranged on the handle box; Said handle box removably inserts and is installed on the image processing system housing and comprises photosensitive-member, and said over cap was protected the exposed parts of said photosensitive-member before said handle box inserts and is installed to said image processing system housing, and is accompanied by said handle box and inserts and be installed on the said image processing system housing and pull down said over cap from said handle box; Said over cap comprises: the lid pedestal; Its covering is also protected the exposed parts of said photosensitive-member, and when said handle box inserts and is installed on the said image processing system housing, contact with said image processing system housing, so that guide said handle box movably; Release parts, it is arranged on the said lid pedestal, is positioned at the opposite side of direction of insertion of inserting said image processing system housing with said handle box, and moves along the direction of insertion of said handle box, so that release said handle box from said lid pedestal; And restricted part; It is arranged on the said release parts; So that be arranged at said handle box under the state of said lid pedestal said handle box is limited in said lid pedestal, said handle box is discharged from said lid pedestal and insert and be installed under the state on the said image processing system housing at said handle box.
According to a second aspect of the invention; Provide like the described over cap of first aspect present invention; Wherein, said lid pedestal comprises guiding surface, and said guiding surface is used to guide said release parts; And at least a portion of said guiding surface has along said handle box inserts the acclivitous part of direction of insertion of said image processing system housing, so that change the relative position between said restricted part and the said handle box.
According to a third aspect of the invention we; Provide like the described over cap of first aspect present invention; Wherein, Said release parts move, so that discharge the restriction state between said handle box and the said restricted part in the position that said handle box inserted and be installed to said image processing system housing.
According to a forth aspect of the invention; Provide like the described over cap of first aspect present invention; Said over cap also comprises: location/retaining part, and it is arranged on the said lid pedestal, is positioned at direction of insertion one side that said handle box inserts said image processing system housing; And when inserting and said handle box is installed, locate and keep said lid pedestal and be drawn out of so that prevent said handle box; And after inserting and said handle box is installed, can discharge location/hold mode, wherein, said release parts discharge the hold mode of said location/retaining part at the release final position when it finishes the insertion of said handle box/fitting operation.
According to a fifth aspect of the invention; Provide like the described over cap of fourth aspect present invention, wherein, said location/retaining part comprises the elastic keeper; Said elastic keeper can elastic deformation; And dogging is in the pilot hole that is formed at said image processing system housing, so that be fixed and held in the said pilot hole, and said over cap has position restriction mechanism; When finishing the insertion of said handle box/fitting operation, said position restriction mechanism with said release component limitations at said release final position.
According to a sixth aspect of the invention; Provide like the described over cap of first aspect present invention; Wherein, Said restricted part comprises the elastic limit part of a pair of elastically deformable; Said elastic limit part comprises flange portion, and said flange portion contacts with the blockage branch of said lid pedestal and makes said a pair of elastic limit part generation elastic deformation, thereby said a pair of elastic limit part can inwardly be subsided; And said flange portion is dividing the inclined lead that comprises at least two ladders on the part that contacts surface with the blockage of said lid pedestal, and feasible release direction first inclined lead surface and the angle between the said blockage branch with respect to said release parts is set at greater than the angle between one inclined lead surface, back and the said blockage branch.
According to a seventh aspect of the invention, a kind of handle box is provided, said handle box removably inserts and is installed on the image processing system housing.Said handle box comprises: photosensitive-member; And box body framework; Said photosensitive-member is arranged in the said box body framework; Wherein said box body framework is kept by over cap; Said over cap was protected the exposed parts of said photosensitive-member before said box body framework inserts and is installed to said image processing system housing, and was accompanied by said box body framework and inserts and be installed on the said image processing system housing and pull down said over cap, and said over cap comprises: the lid pedestal; It removably is arranged on the said box body framework; So that protect the exposed parts of said photosensitive-member, and, said box body framework contacts when inserting said image processing system housing, so that guide said box body framework movably with said image processing system housing; Release parts; It is arranged on the said lid pedestal; Be positioned at the opposite side of direction of insertion of inserting said image processing system housing with said box body framework, and move, so that release said box body framework from said lid pedestal along the direction of insertion of said box body framework; And restricted part; It is arranged on the said release parts; So that when said casket body frame chord position is in said lid pedestal, said box body framework is limited in the said lid pedestal, and when said box body framework inserts and is installed on the said image processing system housing, said box body framework is discharged from said lid pedestal.
According to an eighth aspect of the invention, a kind of image processing system is provided, has comprised: the image processing system housing comprises that the handle box of photosensitive-member removably inserts and is installed on the said image processing system housing; And over cap; It protected the exposed parts of said photosensitive-member before said handle box inserts and is installed to said image processing system housing; And being accompanied by said handle box inserts and is installed on the said image processing system housing and pull down said over cap from said handle box; Wherein, said over cap comprises: the lid pedestal, and its covering is also protected the exposed parts of said photosensitive-member; And, said handle box contacts when inserting and be installed on the said image processing system housing, so that guide said handle box movably with said image processing system housing; Release parts, it is arranged on the said lid pedestal, is positioned at the opposite side of direction of insertion of inserting said image processing system housing with said handle box, and moves along the direction of insertion of said handle box, so that release said handle box from said lid pedestal; And restricted part; It is arranged on the said release parts; So that when said handle box is arranged in said lid pedestal, said handle box is limited in said lid pedestal, and when said handle box inserts and is installed on the said image processing system housing, said handle box is discharged from said lid pedestal.
According to a first aspect of the invention; Handle box is being installed in the install operation process of image processing system housing; Can when protecting photosensitive-member at least fully, under the situation that handle box is fallen, carry out the insertion/fitting operation of handle box safely from over cap.
According to a second aspect of the invention, can be only release parts and realize being limited in handle box in the over cap or from over cap, discharging by means of restricted part through moving.
According to a third aspect of the invention we, can, handle box keep handle box before inserting and be installed to the image processing system housing by the restriction state of over cap restriction.
According to a forth aspect of the invention, can in the insertion/install operation process of handle box, over cap be located and remained on the image processing system housing, and can after the insertion/fitting operation of handle box, pull down over cap simply.
According to a fifth aspect of the invention, can effectively prevent to promote to release the situation of parts backward because of the reacting force that location/retaining part produces, so can carry out the disassembling section of over cap safely.
According to a sixth aspect of the invention, can reduce to release the release operating physical force of parts.
According to a seventh aspect of the invention; A kind of like this handle box can be provided: this handle box is being installed in the install operation process of image processing system housing; Can when protect photosensitive-member at least fully, under the situation that handle box is fallen from over cap, handle box be inserted and be installed on the image processing system housing.
According to an eighth aspect of the invention; A kind of like this image processing system can be provided: handle box is being installed in the install operation process of image processing system housing; This image processing system can insert under the situation that handle box is fallen from over cap/fitting operation when protecting photosensitive-member at least fully.
Description of drawings
To describe exemplary embodiment of the present invention in detail with reference to following accompanying drawing, wherein:
Figure 1A illustrates the summary view before the insertion/fitting operation of handle box of over cap, handle box and image processing system according to an exemplary embodiment of the present invention, and Figure 1B illustrates over cap, handle box and the image processing system summary view when the insertion of handle box/fitting operation;
Fig. 2 is the view that illustrates according to the total structure of the image processing system of first embodiment;
Fig. 3 A is the view that schematically shows according to the image formation unit of each color component of present embodiment, and Fig. 3 B is the view that handle box is shown;
Fig. 4 illustrates handle box at its insertion/fitting operation view before with respect to the image processing system housing;
Fig. 5 is the view that illustrates according to the total structure of the image processing system housing of present embodiment;
Fig. 6 is the view that the location/hold mode of over cap when beginning to carry out the insertion of handle box with respect to the image processing system housing/fitting operation is shown;
Fig. 7 is the view that schematically shows the location/maintaining body of over cap;
Fig. 8 is the view of the state when being illustrated in handle box and from over cap, inserting;
Fig. 9 is illustrated in that handle box inserts fully and the view of the state when being installed to the image processing system housing;
Figure 10 A is the view of instance that the limiting mechanism of handle box is shown, and Figure 10 B is the view that the structure example of control lever is shown;
Figure 11 illustrates the view that concerns between control lever shown in Figure 10 A and the handle box;
Figure 12 is the view that the control lever that is illustrated in over cap is pulled to the state when promoting end points;
Figure 13 illustrates the view that concerns between control lever shown in Figure 12 and the handle box;
Figure 14 is the view of another instance that the limiting mechanism of handle box is shown;
Figure 15 is the view that is illustrated in the state of control lever when over cap shown in Figure 14 is pulled down;
Figure 16 is the view that schematically shows control lever shown in Figure 14;
Figure 17 A illustrates over cap and the control lever front view when the insertion that begins to carry out handle box/fitting operation, and Figure 17 B is the cut-open view along the line B-B intercepting shown in Figure 17 A;
Figure 18 is the cut-open view along line XVIII-XVIII intercepting shown in Figure 14;
Figure 19 is the view of instance that the position restriction mechanism of over cap shown in Figure 14 is shown;
Figure 20 is illustrated in the view that control lever shown in Figure 14 is pulled to the state when promoting end points;
Figure 21 is the view that schematically shows the major part of control lever;
Figure 22 A is the schematic, elevational view and the schematic plan of another instance that the limiting mechanism of handle box is shown, and Figure 22 B is schematic, elevational view and the schematic plan that the modification instance of the limiting mechanism shown in Figure 22 A is shown;
Figure 23 is the view of restriction releasing mechanism that another instance and the handle box of limiting mechanism are shown;
Figure 24 is the view that the instance of restriction releasing mechanism shown in Figure 23 is shown;
Figure 25 is the view that the major part of limiting mechanism shown in Figure 23 and restriction releasing mechanism is shown;
Figure 26 A is the skeleton view that illustrates as the torsionspring of limiting mechanism, and Figure 26 B-Figure 26 D is respectively the view of the direction of direction and the arrow D of direction, arrow C from the arrow B shown in Figure 26 A when watching;
Figure 27 A illustrates the view that concerns between restriction releasing mechanism and the torsionspring as limiting mechanism, and Figure 27 B is the view of the state when being illustrated in handle box and being limited by torsionspring;
Figure 28 is the view that the relative position relation between limiting mechanism shown in Figure 23 and the restriction releasing mechanism is shown;
Figure 29 A, Figure 29 B and Figure 29 C illustrate the restriction operation that carries out through limiting mechanism shown in Figure 23 and the view of the process of the restriction releasing operation that carries out through the restriction releasing mechanism;
Figure 30 A is the view of another instance that the limiting mechanism of handle box is shown, and Figure 30 B is the view that the major part that is arranged in the limiting mechanism in the over cap is shown;
Figure 31 is the view that the relative position relation between limiting mechanism shown in Figure 30 A and Figure 30 B and the restriction releasing mechanism is shown;
Figure 32 A, Figure 32 B and Figure 32 C illustrate the restriction operation that carries out through the limiting mechanism shown in Figure 30 A and Figure 30 B and the view of the process of the restriction releasing operation that carries out through the restriction releasing mechanism;
Figure 33 is the view that illustrates according to the instance of the handle box recognition structure of present embodiment;
Figure 34 is the view that the instance that is arranged in the identification component in the handle box is shown;
Figure 35 is the view that the instance of the installation decision means that is arranged in the image processing system housing is shown;
Figure 36 is the view that the effect of handle box recognition structure shown in Figure 33 is shown;
Figure 37 illustrates the view that has according to the installation decision means of the handle box recognition structure of another instance of present embodiment;
Figure 38 is the view that schematically shows the installation decision means of handle box recognition structure shown in Figure 37;
Figure 39 A, Figure 39 B, Figure 39 C, Figure 39 D and Figure 39 E be respectively vertical view, along favouring skeleton view that frontal watches, front view, side view and along favouring the skeleton view that back side direction is watched, the structure that shows installation decision means shown in Figure 37 is formed instance;
Figure 40 A, Figure 40 B, Figure 40 C, Figure 40 D and Figure 40 E be respectively vertical view, along favouring skeleton view that frontal watches, front view, side view and along favouring the skeleton view that back side direction is watched, another structure that shows installation decision means shown in Figure 37 is formed instance;
Figure 41 illustrates according to view present embodiment and the instance corresponding installation decision means of dissimilar handle boxes;
Figure 42 A, Figure 42 B, Figure 42 C, Figure 42 D and Figure 42 E be respectively vertical view, along favouring skeleton view that frontal watches, front view, side view and along favouring the skeleton view that back side direction is watched, the structure that shows installation decision means shown in Figure 41 is formed instance;
Figure 43 A, Figure 43 B, Figure 43 C, Figure 43 D and Figure 43 E be respectively vertical view, along favouring skeleton view that frontal watches, front view, side view and along favouring the skeleton view that back side direction is watched, another structure that shows installation decision means shown in Figure 41 is formed instance;
Figure 44 is the view of the state when being illustrated in suitable handle box and being installed to handle box recognition structure shown in Figure 37;
Figure 45 is the view of the state when being illustrated in inappropriate handle box and being installed to handle box recognition structure shown in Figure 37
Figure 46 is the view of the state when being illustrated in suitable over cap and being installed to handle box recognition structure shown in Figure 41;
Figure 47 is the view of the state when being illustrated in inappropriate over cap and being installed to handle box recognition structure shown in Figure 41; And
Figure 48 is the view of the state when being illustrated in all suitable handle boxes and being installed to handle box recognition structure shown in Figure 37.
Embodiment
A. the summary of exemplary embodiment
At first, with the summary of describing exemplary embodiment of the present.
Figure 1A and Figure 1B have schematically shown the summary of over cap, handle box and image processing system according to the embodiment of the invention.
In 1A and Figure 1B, removably insert and be installed on the image processing system housing 10 according to the over cap of present embodiment, and be releasably attached on the handle box 1 that has photosensitive-member 1a at least.Over cap 2 was protected the exposed parts of photosensitive-member 1a before handle box 1 inserts and is installed to image processing system housing 10, and after handle box 1 inserts and is installed to image processing system housing 10, pulled down from handle box 1.Over cap 2 comprises: lid pedestal 3, and it covers the exposed parts with the photosensitive-member 1a of protected handle box 1, and when handle box 1 inserts image processing system housing 10, contacts with image processing system housing 10 so that boot process box 1 movably; Release parts 4, it is arranged in and covers in the pedestal 3, is positioned at the opposite side of direction of insertion of inserting image processing system housing 10 with handle box 1, and moves so that handle box 1 is released from lid pedestal 3 along the direction of insertion of handle box 1; And restricted part 5; It is arranged in releases in the parts 4; Make and cover pedestal 3 when handle box 1 is arranged in when cover within the pedestal 3 handle box 1 is limited in, and when handle box 1 insertion and be installed to 10 last times of image processing system housing with handle box 1 release from cover pedestal 3.
In addition, Figure 1A illustrates handle box 1 to be in the synoptic diagram that inserts and be installed to image processing system housing 10 state before just, and Figure 1B illustrates handle box 1 to be in the synoptic diagram that inserts and be installed to image processing system housing 10 state afterwards.
In this technical scheme, handle box 1 is integrally formed with the unit that contains photosensitive-member 1a at least, thereby forms housing unit.Housing unit is configured to be removably mounted on the image processing system housing 10.
In addition; For making it, the photosensitive-member 1a that adequately protects avoids deterioration or destruction; The instance of over cap 2 comprises following over cap: before handle box 1 inserts and is installed to image processing system housing 10, protect the exposed parts of photosensitive-member 1a at least, and after handle box 1 inserts and is installed to image processing system housing 10, pull down from handle box 1.
At this moment, " protecting the exposed parts of photosensitive-member 1a at least " is meant: the exposed parts conduct that comprises photosensitive-member 1a will be by the object of protection of over cap 2 protections.The instance of over cap 2 comprises: the over cap that covers the whole exposed parts of photosensitive-member 1a; And such over cap: this over cap covers the part exposed parts of photosensitive-member 1a, and is arranged in all the other exposed parts that guard block (sheet material or film) in the over cap 2 can cover photosensitive-member 1a.
In addition, " before handle box 1 inserts and is installed to image processing system housing 10 " broadly refers to the state before handle box 1 inserts and is installed to image processing system housing 10.The example comprises: the situation of transporting and transporting handle box 1; And the situation of insertion and installing process cartridge 1.In addition, " insertion/fitting operation " is meant and inserts operation and then realize fitting operation.For the time point that over cap 2 is installed to handle box 1, the instance of this time point is included in transportation naturally and over cap 2 is installed to when transporting handle box 1 situation of handle box 1, but this time point is not limited thereto.For example; The instance of time point comprises following situation: transporting/using when transporting handle box 1 the protection handle boxes 1 such as screening glass except that over cap 2; Just, handle box 1 pulls down screening glass etc. before inserting and be installed to image processing system 10 then, so that over cap 2 grades are installed on the handle box 1 from handle box.
In addition, over cap 2 can comprise and covers pedestal 3, releases parts 4 and restricted part 5.
At this moment, the instance of lid pedestal 3 comprises: the lid pedestal that surrounds handle box 1 fully; And suitable lid pedestal, as long as cover that pedestal 3 covers photosensitive-member 1a at least and when handle box 1 inserts image processing system 10 contact image formation device case 10 so that boot process box 1 movably.
In addition, the instance of the leader of handle box 1 comprises: the leader with trade shape; And the leader that suitably utilizes the wall that covers pedestal 3, as long as handle box 1 engages so that can relatively move with this leader.
The instance of releasing parts 4 comprises following release parts: this releases arrangements of components with the opposite side of direction of insertion of handle box 1 insertion image processing system housing 10; So that release handle box 1, and insert and functional unit when being installed to image processing system 10 as handle box 1 along direction of insertion.
The instance of restricted part 5 comprises following restricted part: when handle box 1 be positioned at when covering within the pedestal 3 (; Handle box 1 is in just and inserts and be installed to image processing system housing 10 state before) handle box 1 is limited in covers in the pedestal 3, and after handle box 1 inserts and is installed on the image processing system housing 10, discharge this restriction state.
The ideal case of over cap 2 that is used to realize restriction and the release of restricted part 5 comprises following over cap: this over cap has guiding surface; On this guiding surface, can guide and release parts 4; At least a portion of this guiding surface has the acclivitous part of direction of insertion (hereinafter to be referred as " sloping portion ") of inserting image processing system housing 10 along handle box 1, so that change the relative position between restricted part 5 and the handle box 1.
In addition; Releasing operation by means of releasing the restricted part 5 that parts 4 carry out not only can carry out through the method for using above-mentioned sloping portion, can also carry out through position releasing and processing box 1 and the method for the restriction state between the restricted part 5 inserting and be installed at handle box 1 on the image processing system housing 10.Whether in this example, no matter release parts 4 pulls down unimportant from over cap 2.
The ideal case of over cap 2 comprises and can and remain on the over cap on the image processing system housing 10 with over cap 2 location.
The instance of the location of this over cap 2/maintenance structure comprises following location/maintenance structure: this location/maintenance structure has location/retaining part 6; This location/retaining part 6 is arranged on the bottom 3 and is positioned at the side that handle box 1 inserts image processing system housing 10; Thereby so that this lid pedestal 3 is not drawn out of handle box 1 being inserted and is installed to image processing system housing 10 last times location and keep cover pedestal 3, and in release location/hold mode with handle box 1 insertion and after being installed on the image processing system housing 10.At this moment, behind insertion/fitting operation of releasing parts 4 end process boxes 1, release parts 4 and releasing the hold mode that the final position place discharges location/retaining part 6.
This location/retaining part 6 must have positioning function and keep function, but is not necessarily limited to location/retaining part that these two kinds of functions all are located at same position.For example; Location/retaining part below existing: divide be arranged localization part and retaining part; Make and to realize positioning function, and realize being used to prevent the maintenance function of draw out operation, thereby these two parts are realized positioning function and kept function with retaining part with localization part.In addition, single localization part can be increased in location/retaining part naturally.
At this moment, in location/retaining part 6, " being used to prevent the location/maintenance operation of draw out operation " is meant and covers the hold mode that pedestal 3 can not be drawn out of.Meanwhile, the time point when " after the insertion/installation of handle box 1, can discharge location/hold mode " refers to not only broadly that the insertion/installation at handle box 1 finishes also refers to the time point in the time can discharging hold mode subsequently.In this case; The ideal case of delivery mode not only comprises the delivery mode that carries out releasing operation according to the insertion/fitting operation of handle box 1, and the instance of delivery mode comprises that also insertion/the fitting operation that is independent of handle box 1 carries out the delivery mode of releasing operation.
The ideal case of location/retaining part comprises location/retaining part of realizing the positioning function and the maintenance function of the draw out operation that is used to prevent to cover pedestal 3 simultaneously.Representative instance comprises following location/retaining part: location/retaining part 6 has the elastic keeper, and this elastic keeper can elastic deformation, thereby in the pilot hole that dogging forms on image processing system housing 10, so that be fixed and held in this pilot hole.Yet; It is desirable to; This location/retaining part has position restriction mechanism, be limited in the release final position so that when the insertion of handle box 1/fitting operation finishes, will release part 4, thereby preventing to release parts 4 effectively is positioned/situation that the reacting force of retaining part 6 promotes backward.
In addition; Purpose from the release operating physical force that reduces to release parts 4; It is desirable to restricted part 5 and comprise a pair of elastic limit part that can elastic deformation; And this elastic limit part has flange portion, and this flange portion contacts with the blockage branch of lid pedestal 3, so that this also inwardly subsides to elastic limit part generation elastic deformation.At this moment, flange portion is dividing the inclined lead that is formed with at least two ladders on the part that contacts surface with the blockage of lid pedestal 3.In addition, it is desirable to, the angle that forms between dividing with blockage with respect to inclined lead surface after the release direction of releasing parts 4 is set at the angle less than formation between the inclined lead surface of initial (first) and the blockage branch.
At this moment, it is desirable to, the angle that initial inclined lead surface and blockage form between dividing is set at the deadweight that component can support handle box 1.
Present embodiment not only provides this over cap 2, but also handle box 1 or the image processing system that uses over cap 2 is provided.
Below, exemplary embodiment of the present invention will be described with reference to the drawings.
B. exemplary embodiment 1
The total structure of-image processing system-
Fig. 2 illustrates the total structure according to the image processing system of first embodiment of the invention.
In Fig. 2; For image processing system; The image formation unit 22 (being specially 22a-22d) of four kinds of colors (being black, yellow, magenta and blue-green (cyan) in the present embodiment) is arranged on the inside of image processing system housing (below be called device case) 21 along Width, and these image formation units 22 are arranged to be tilted to and slight inclination.Above image formation unit 22, be furnished with the intermediate transfer belt 23 that moves along the orientation circulation of image formation unit.In addition, printer paper feed unit 24 is arranged, in this printer paper feed unit 24, hold the printer paper that will be supplied in device case 21 arranged beneath.Above device case 21, be furnished with print media and discharge receiving element 26, this print media is discharged receiving element 26 and is received the printer paper that has carried out image formation operation on it.Be discharged into print media from the printer paper of the printer paper feed unit 24 transmission passage 25 through vertical extension and discharge receiving element 26.
In the present embodiment, each image formation unit 22 (22a-22d) shown in Fig. 2 and Fig. 3 A all sequentially forms the for example toner image of black, yellow, magenta and blue-green (arrangement mode is not necessarily limited to this order) from the upper reaches one side of the loop direction of middle transfer belt 23.For example, each image formation unit 22 all comprises: cydariform photosensitive-member 31; Charger 32, it is photosensitive-member 31 chargings in advance; Exposure device 33, it forms electrostatic latent image on the photosensitive-member 31 by charger 32 chargings; Developer 34, it utilizes versicolor toner to make the electrostatic latent image on the photosensitive-member 31 visible; And clearer 35, the residual toner on its cleaning photosensitive-member 31.
At this moment, exposure device 33 is shared by 22 of each image formation units.From the light source in the exposure container 331 (for example; The semiconductor laser (not shown) of each color component) but light penetrate by deflecting mirror 332 deflections ground, light image is directed to the exposure position of corresponding photosensitive-member 31 through imaging len and catoptron (not shown) then.
Intermediate transfer belt 23 is suspended on the idler roller 41-44, and for example idler roller 41 is arranged to circulate through driven roller mobile.Intermediate transfer belt 23 with each photosensitive-member 31 corresponding back sides on be furnished with first transfer printing unit 51 (that is first transfer roll).Through apply the voltage that has with the charged opposite pole property of toner to first transfer printing unit 51, toner image is electrostatically transferred on the intermediate transfer belt 23.
Position, downstream at the image formation unit 22d of 42 corresponding with idler roller, as to be positioned at intermediate transfer belt 23 moving direction lower side is furnished with second transfer printing unit 52 (promptly; Second transfer roll), then first transferred image on the intermediate transfer belt 23 by the transfer printing second time (disposable transfer printing) to printer paper.
With the idler roller 41 corresponding positions in the downstream of second transfer area of intermediate transfer belt 23, be furnished with the middle clearer 53 that is used to clean the residual toner on the intermediate transfer belt 23.
At this moment, form intermediate transfer belt 23 like this: in such as resin such as polyimide, polycarbonate, polyester and polypropylene or various rubber, add the charged material (for example, carbon black) that prevents of appropriate amount, make that the scope of specific insulation is 10 6To 10 14Ω cm.
In the present embodiment, the printer paper that the feeder 61 of printer paper feed unit 24 is supplied with is transmitted by the transfer roller (not shown) that printer paper transmits the right quantity in the passage 25, and through registration roller 62 location.Subsequently; Printer paper is through second transfer area of second transfer printing unit 52; So that utilize heating and pressurization to make the toner image of not photographic fixing through fixation unit 66, printer paper is discharged and is received in the printer paper discharge receiving element 26 through distributing roller 67 then.
In addition, Reference numeral 38 (38a-38d) the expression toner supply unit among Fig. 2, new toner is supplied with to the developer 34 of each image formation unit 22 (22a-22d) in this unit.
-image formation unit-
Particularly, in the present embodiment, shown in Fig. 3 A and 3B, photosensitive-member 31 is included in charger 32 and the clearer 35 integrated handle boxes that form 70.Handle box 70 is removably mounted on the device case 21, thereby constitutes the part of the image formation unit 22 of each color component.
At this moment, charger 32 comprises charger container 321, and the parts relative with photosensitive-member 31 of this charger container 321 are opened wide, and in charger container 321, are furnished with charging roller 322, this charging roller 322 contacts or near the surface of photosensitive-member 31.
Clearer 35 comprises cleaner container 351, and the parts relative with photosensitive-member 31 of this cleaner container 351 are opened wide.At this moment, be furnished with the elastic scraper 352 that contacts with photosensitive-member 31 on a marginal portion longitudinally along cleaner container 351.Be furnished with the elaxtic seal 353 that contacts with photosensitive-member 31 on another marginal portion longitudinally along cleaner container 351.In cleaner container 351, be furnished with even transfer member 354, this even transfer member 354 makes residual materials (toner that for example, strikes off through elastic scraper 352) even in the vertical.
For this reason, in the present embodiment, shown in Fig. 3 B, in handle box 70, near the parts the photosensitive-member 31 are covered by charger 32 and clearer 35, and near other parts the photosensitive-member 31 directly expose, as exposed portions serve M.
In the present embodiment; Developer 34 is installed on the device case 21 with handle box 70 dividually; And with photosensitive-member 31 relatively to open wide towards this photosensitive-member 31, this developer 34 comprises developer reservoir 341, wherein this developer reservoir 341 is holding the developer that has toner at least.The opening part of developer reservoir 341 is furnished with developer and keeps body 342, and this developer keeps body 342 can developer be sent to the developing regional that is positioned at the position relative with photosensitive-member 31.The developer of developer reservoir 341 keeps the rear side of body 342 to be furnished with a pair of developer stirring transfer member 343 and 344, and this developer stirs transfer member 343 and 344 and in stirring that developer is circulated, transmits this developer.Keep body 342 and be arranged in developer and keep the developer of body 342 sides to stir between the transfer member 343 being furnished with developer replenishing parts 345 at developer, these developer replenishing parts 345 can keep body 342 supplies to be stirred the developer of transmission to developer.In addition, will be supplied to developer through bed thickness adjusting parts 346 and keep the developer of body 342 to be adjusted to predetermined bed thickness, then with this developer replenishing developing regional.
-handle box-
In the present embodiment, comprise by the box body framework of processing such as plastics such as ABS resins 71 like Fig. 4 and handle box 70 shown in Figure 8.Box body framework 71 fits together with photosensitive-member 31, charger 32 and clearer 35 integratedly.
The structure of handle box 70 is not limited only to above-mentioned instance, but also can be applied to form in the instance of monochrome image.
The instance of handle box 70 is not limited only to above-mentioned instance, but also comprises following instance: have only photosensitive-member 31 to be box-like instance; Thereby photosensitive-member 31 and the integrally formed each other instance that is removably mounted on the device case 21 of charger 32; Thereby photosensitive-member 31 and the integrally formed each other instance that is removably mounted on the device case 21 of developer 34; Thereby photosensitive-member 31 and the integrally formed each other instance that is removably mounted on the device case 21 of clearer 35; And thereby two or more photosensitive-members 31 are bonded to each other with above-mentioned treating apparatus and constitute single box body and be removably mounted on the instance on the device case 21.
In the present embodiment, for handle box 70, charger 32 is arranged on gravity direction than the lower position of horizontal line through photosensitive-member 31 centers with clearer 35.In this mode; Because charger 32 is positioned at the below of photosensitive-member 31; So the part of box body framework 71 can with state after opposing over cap 100 position the localization part of operation, perhaps as the leader of channeling conduct when inserting device case 21.Correspondingly, can reduce the localization part that need be provided with separately and the quantity of leader, thereby advantageously realize the saving in space and the minimizing of number of components, these all are urgent problems.
In the present embodiment, as shown in Figure 5, when handle box 70 inserts and is installed to the box body receiving unit 211 of device case 21, through being formed on the leader in the device case 21
(guide rail, guiding wall etc.) come sliding guidance to be formed on the outer wall of the charger container 321 of guide protrusion (not shown) and charger 32 on the box body framework 71, remain on predetermined gesture thereby will insert posture.
-over cap-
In the present embodiment, like Fig. 4 and shown in Figure 8, before handle box 70 inserted and is installed to device case 21, handle box 70 comprised over cap 100.
The exposed portions serve M (seeing Fig. 3 B) of the photosensitive-member 31 of over cap 100 protection handle boxes 70, and this over cap is removably mounted on the handle box 70, so that after handle box 70 inserts and is installed to device case 21, can pull down from this handle box.
In the present embodiment, over cap 100 is hollow basically rectangular shape so that surround handle box 70, and this over cap 100 comprises the lid pedestal 101 that extends in the vertical.Lid pedestal 101 is by being made into integration such as plastics such as ABS resins.
In addition, lid pedestal 101 is provided with leader (guide rail 102 (seeing Figure 23) with guide inwall 103) in the corresponding position of outer wall with the charger container 321 of the guide protrusion 73 of box body framework 71 or charger 32.That is to say that in this example, guide rail 102 is arranged in the inside bottom wall of covering pedestal 101, so that the guide protrusion 73 of box body framework 71 slides.In addition, guiding inwall 103 is arranged on the side wall inner surfaces of covering pedestal 101, so that the slip of the outer wall of the charger container 321 of charger 32, thereby the insertion posture of regulating handle box 70.
In the present embodiment, like Fig. 4, Fig. 7 and shown in Figure 8, the upper wall of the lid pedestal 101 of over cap 100 has along covering pedestal 101 directional slit 110 longitudinally.Directional slit 110 is elongate shape, and its middle cover pedestal 101 opens wide at the edge of device case 21 1 sides.At this moment, the control lever 120 of releasing handle box 70 is configured to slide at directional slit 110 being used on the over cap 100.
In the present embodiment, control lever 120 comprises the control lever main body 121 (seeing Figure 10 A and Figure 10 B) that can in directional slit 110, slide.Control lever main body 121 has flange shape retainer 122, and this retainer 122 can slide along the marginal portion of directional slit 110.In addition, control lever main body 121 also has web member 123 (that is, seeing Figure 10 A and Figure 10 B), and this web member 123 can connect with the receiving unit 72 (that is, seeing Figure 11) that is connected of the box body framework 71 of handle box 70.
In addition, be provided with maintenance step spare 11 near the end openings of directional slit 110, this keeps step spare part 111 to contact with the retainer 122 of control lever 120.In addition, the open-ended width setup of directional slit 110 is the narrow width than the slit of other parts.
In the present embodiment; The web member 123 of control lever 120 utilizes the limiting mechanism limit processing box 70 that describes below when handle box 70 is arranged in over cap 100, and when the insertion of the box body receiving unit 211 that carries out handle box 70 relative device cases 21/fitting operation the restriction state between releasing and processing box 70 and the web member 123.
In the present embodiment, owing to for example there is directional slit 110 such as slit in the over cap 100,, thereby make photosensitive-member 31 deteriorations so the problem that occurs is to inject the inside of over cap 100 from the light of directional slit 110.Therefore, in the present embodiment, over cap 100 is provided with resilient protection sheet 112 in addition, so can prevent to inject in the over cap from the light of directional slit 110.Similar with present embodiment, turn under the situation of handle box in charger (charging roller) Unit 322 that use the contact charging method, the problem of appearance is a photosensitive-member 31 and charging roller 322 electrification by frictions in processes such as transmission.In this case, owing to be furnished with resilient protection sheet 112 between photosensitive-member 31 and the charging roller 322, so prevented contact electrification.Because at least a portion resilient protection sheet 112 is exposed to the outside of over cap 100 through directional slit 110, thus the deterioration of photosensitive-member 31 reduced, and prevented the electrification by friction of photosensitive-member 31 with charging roller 322.Correspondingly, when the insertion operation of handle box 70, can easily pull down resilient protection sheet 112.
-location/maintaining body-
In addition, lid pedestal 101 is provided with location/maintaining body 130 on the inserting side of handle box 70 relative device cases 21.
Location/maintaining body 130 location and keep cover pedestal 101 and make this lid pedestal 101 when carrying out the insertion of handle box 70/fitting operation not by from extraction, and after the insertion/fitting operation of handle box 70 release location/hold mode.
In the present embodiment, like Fig. 4, Fig. 7 and shown in Figure 8, location/maintaining body 130 comprises a pair of location/ keeper 131 and 132, and this location/ keeper 131 and 132 is arranged in the both sides of covering pedestal 101 end on vertically.Location/ keeper 131 and 132 comprises: elastic protrusion spare 133, and this elastic protrusion spare 133 is along vertically stretching out so that can elastic deformation to device case 21 from the end portion of lid pedestal 101; And hook-type hook 134, this hook 134 is integrally formed with the front end of elastic protrusion spare 133.At this moment, elastic protrusion spare 133 is tabular, and thinner at the thickness on its thickness direction (thickness on the direction of elastic protrusion spare 133 in arrow A), and free end can be movable on general horizontal direction (direction that is equivalent to arrow A).
Simultaneously, as shown in Figure 5, be furnished with a pair of pilot hole 141 and 142 at the surrounding edge of the opening of the box body receiving unit 211 of device case 21.Specifically, in the present embodiment, device case 21 comprises a plurality of box body receiving units 211, and the pilot hole 142 of predetermined box body receiving unit 211 1 sides is used as the pilot hole 141 of adjacent box body receiving unit 211 opposite sides with it.
In addition, the location/keeper 131 of over cap 100 and 132 is at the pilot hole 141 that inserts each box body receiving unit 211 and on the direction of location/ keeper 131 and 132 spaces, elastic deformation took place at 142 o'clock, thereby accomplishes positioning action.In addition, location/ keeper 131 and 132 hook 134 remain on the edge of pilot hole 141 and 142, so that this hook 134 is not extracted out from this pilot hole 141 and 142.At this moment, elastic deformation is meant: the degree that the installing force that the location/keeper 131 of over cap 100 and 132 produces when being installed in pilot hole 141 and 142 deforms.
In the present embodiment, specifically as shown in Figure 7, directional slit 110 has tapering part 135, and the A/F of this tapering part 135 narrows down towards being positioned at the end openings that keep step spare 111 front portions gradually.Shown in the arrow B among Fig. 7; Tapering part 135 is used for when control lever 120 arrives tapering parts 135, utilizing and places directional slit 110 therebetween that over cap 100 is outwards widened; And as mentioned below, be used to discharge pilot hole 141 and 142 and location/ keeper 131 and 132 between hold mode.
The installation method of the handle box 70 that uses location/maintaining body 130 then, will be described below.
At first, (see Fig. 4-Fig. 6) with being arranged in the pilot hole 141 and 142 that location/ keeper 131 and 132 on the over cap 100 inserts the edge of opening place of the box body receiving unit 211 be positioned at device case 21.
At this moment, like Fig. 5 and shown in Figure 7, location/ keeper 131 and 132 is in the elastic deformation of inserting pilot hole 141 and taking place shown in arrow A in 142 o'clock, then by hook 134 doggings.Subsequently, thus with over cap 100 with handle box 70 location and remain on the device case 21 and from device case 21, do not extracted out.
In this state, over cap 100 is with respect to device case 21 location.In addition, even hand is removed from over cap 100, over cap 100 also can the stationary installation housing on, thereby when the insertion operation of handle box 70, from device case, do not extracted out.
In the present embodiment, location/ keeper 131 and 132 cooperates with the pilot hole 141 and 142 of device case 21 1 sides.In addition, the end portion of over cap 100 contacts with the opening jut of the box body receiving unit 211 of device case 21.Therefore, even when the insertion operation of handle box 70, hand is removed from over cap 100, also can reduce the gradient on the direction of insertion of handle box 70 insertion device cases 21.
Then; Like Fig. 6 and shown in Figure 8; When control lever 120 is released so that the directional slit 110 on being arranged on over cap 100 is when moving along the direction of insertion of handle box 70; The leader (guide protrusion and guiding outer wall) that is arranged on the handle box 70 is guided by the leader (guide rail and guiding inwall) that is arranged on guide rail 102, the guiding inwall 103 on the over cap 100 and be arranged on the device case 21, thereby inserts device case 21.
In the present embodiment, as shown in Figure 7, directional slit 110 comprises the tapering part 135 that is positioned at maintenance step spare 111 front portions, the gap turn narrow of this tapering part 135.Shown in the arrow B among Fig. 7, when control lever 120 is pushed to the position of tapering part 135 of gap turn narrow, can utilize the directional slit 110 that places between the tapering part that over cap 100 is outwards widened.Therefore, shown in the arrow C among Fig. 7, the location/ keeper 131 and 132 of be positioned hole 141 and 142 doggings is outwards widened.As a result, be accompanied by the insertion operation of handle box 70, can discharge location/hold mode, do not allow that promptly location/ keeper 131 and 132 carries out the state of draw out operation.
Specifically, in the present embodiment, because location/ keeper 131 and 132 utilizes its hook 134 to be fixed on the device case 21, so can when release guard covers 100 stationary state, carry out disassembling section.
Equally; As shown in Figure 9; Be arranged near device case 21 sides of directional slit 110 because be used to discharge the tapering part 135 of the hold mode of location/ keeper 131 and 132, thus after handle box 70 is installed to device case 21 release guard lid 100 stationary states (positioning states) with respect to device case 21.
Therefore, the guide rail 102 through over cap 100 and guiding inwall 103 be sliding guidance handle box 70 in the vertical, thus the inside that handle box 70 is inserted device cases 21.
-limiting mechanism-
In the present embodiment, be provided with the limiting mechanism 150 (seeing Figure 10 A and Figure 10 B) that is used for handle box 70 is limited in over cap 100.
Limiting mechanism 150 is provided, covers pedestal 101, handle box 70 is discharged from lid pedestal 101 and insert and be installed under the state on the device case 21 at handle box 70 so that be arranged at handle box 70 under the state that covers pedestal 101 handle box 70 is limited in.
Below, with the representative instance 1-5 that describes limiting mechanism 150.
< representative instance 1 of limiting mechanism: see Figure 10 A-Figure 13 >
In this example, shown in Figure 10 A and Figure 10 B, control lever 120 comprises the retainer 122 and web member 123 that is arranged in control lever main body 121.Simultaneously, shown in figure 11, the box body framework 71 of handle box 70 is provided with the connection receiving unit 72 of spill, and this connects receiving unit 72 and can cooperate with web member 123.
At this moment; Be positioned at control lever 120 under the state of initial position of over cap 100; The limiting mechanism 150 that is used for this instance is connected the web member 123 of control lever 120 at the connection receiving unit 72 of handle box 70, thereby handle box 70 is limited in the over cap 100.
Specifically, in the present embodiment, control lever 120 is arranged to and can be slided along the directional slit 110 of over cap 100, and flange shape retainer 122 is configured to and can slides through the edge of opening of guiding surface 151 along the directional slit 110 of over cap 100.
Guiding surface 151 comprises sloping portion 152, and this sloping portion 152 is inclined upwardly towards the direction of insertion that handle box 70 inserts device case 21.Sloping portion 152 is arranged to squint angle θ, makes that height dimension is h with respect to the skew of distance L, wherein distance L be with control lever 120 from initial position shift onto release final position the distance of process.
In this example, height dimension is expressed as h=L * tan θ, but height dimension h is set at the dogging amount D that is processed connection receiving unit 72 doggings of box 70 greater than the web member 123 of control lever 120.
Therefore; In the present embodiment, like Figure 10 A, Figure 10 B and shown in Figure 12, for limiting mechanism 150; When control lever 120 from initial position when releasing final position and move L, the sloping portion 152 through guiding surface 151 changes the relative position of control lever 120 with respect to handle box 70.Therefore, shown in figure 13, the web member 123 of control lever 120 breaks away from from the connection receiving unit 72 of handle box 70, thereby discharges web member 123 and the connection status that is connected between the receiving unit 72.
For this reason, shown in figure 12, when control lever 120 arrived the release final position, releasing and processing box 70 was limited mechanism 150 and is limited in the restriction state in the over cap 100.Therefore, handle box 70 from over cap 100 dismountings, is inserted then and is installed on the box body receiving unit 211 of device case 21.
< representative instance 2 of limiting mechanism: see Figure 14-Figure 21 >
Limiting mechanism 150 in this instance has the essentially identical structure of limiting mechanism with representative instance 1 shown in Figure 10 A and Figure 10 B; But difference is: when control lever 120 is positioned at initial position, and initial position limiting mechanism 160 (seeing Figure 16) restriction operation bar 120 moving on direction of operating.
Initial position limiting mechanism 160 comprises obstruction rib 161 (seeing Figure 18); This obstruction rib 161 be positioned at over cap 100 directional slit 110 both sides and with the corresponding position of the initial position of control lever 120; And the part that initial position limiting mechanism 160 comes dogging control lever 120 by means of obstruction rib 161, thereby restriction operation bar 120 is mobile.
Like Figure 14-shown in Figure 16; At the control lever that is used for this instance 120; The supporting leg part 125 that cooperates with directional slit 110 is arranged in the bottom of grip portion 124, and is arranged on the part of supporting leg part 125 with the web member 123 that is connected the receiving unit cooperation of handle box 70.
The supporting leg part 125 of control lever 120 comprises a pair of elastic limit part 162, and this a pair of elastic limit part 162 cooperates with directional slit 110.The bottom of elastic limit part 162 is the tabular of elastically deformable and is positioned at cantilever point place.The free-ended outside at elastic limit part 162 is furnished with flange portion 163, and this flange portion 163 contacts with blocking rib 161, so that this also inwardly subsides to elastic limit part 162 elastic deformations.Flange portion 163 with block the part that rib 161 contact on be furnished with the inclined lead surperficial 164 and 165 of at least two ladders.
At this moment; Like Figure 18 and shown in Figure 21; With respect to the direction of operating (release direction) of control lever 120, the angle [alpha] that forms between initial inclined lead surface 164 and the obstruction rib 161 is set at greater than one inclined lead surface, back 165 and blocks the angle beta of formation between the rib 161.
More particularly, the flexural rigidity of considering elastic limit part 162 is set the angle [alpha] on the initial inclined lead surface 164 of flange portion 163, so that bear the component of the deadweight that can support handle box 70.The angle beta on the back inclined lead surface 165 of flange portion 163 is set on such direction, makes the component of the component of angle beta less than angle [alpha] that is:.
In the present embodiment, control lever 120 is removably mounted on the initial position of directional slit 110.On the outside surface of elastic limit part 162, be provided with guide protrusion part 166, this guide protrusion part 166 cooperates with the guiding groove part 115 that on the initial position of directional slit 110, forms.
Therefore; In the present embodiment; For example; Even handle box 70 pack into over cap 100 and over cap 100 opening down because the initial inclined lead surface 164 of the flange portion 163 of control lever 120 contact through initial position limiting mechanism 160 and with blocking rib 161, rib 161 limits and can not move so control lever 120 gets clogged.
In the present embodiment, because initial position limiting mechanism 160 comprises the inclined lead surface 164 and 165 that is formed on two ladders on the flange portion 163, so can when the release operation of carrying out control lever 120, reduce the release operating physical force of control lever 120.
Be provided with position restriction mechanism 170 in the present embodiment, so that the position limit of control lever 120 is being released final position.
Shown in figure 19, position restriction mechanism 170 comprises step part 171, and this step part 171 is arranged on opening one side of tapering part 135 of the directional slit 110 of over cap 100.Like Figure 19-shown in Figure 21,, be arranged on cut end 172 doggings on the part of supporting leg part 125 of control lever 120 on step part 171 when shifting control lever 120 onto when releasing final position.
In the present embodiment, for location/maintaining body 130, when control lever 120 arrived the release final position, control lever 120 moved when the tapering part that makes directional slit 110 135 is widened.Therefore, when over cap 100 along with the operation that tapering part 135 is widened elastic deformation took place, the problem of appearance was: control lever 120 is promoted by the reacting force of the over cap 100 that causes owing to elastic deformation backward.
At this moment, when when releasing final position and promote control lever 120 backward, the problem of appearance is the location/hold mode that can not discharge location/maintaining body 130.
In this example, control lever 120 is limited in the release final position by position restriction mechanism 170.
< representative instance 3 of limiting mechanism: see Figure 22 A-Figure 22 B >
In Figure 22 A, limiting mechanism 150 makes control lever 120 move to the release final position from the initial position of over cap 100, and makes control lever 120 breaking away from from over cap 100 at the release final position.
In this example, before control lever 120 broke away from from over cap 100, handle box 70 was by control lever 120 restrictions.When control lever 120 when over cap 100 breaks away from, releasing and processing box 70 is by the restriction state of control lever 120 restrictions.
Instance shown in Figure 22 B is the modification instance of this instance.Limiting mechanism 150 makes control lever 120 move to the release final position from the initial position of over cap 100; Then control lever 120 not by from release make under the state that final position breaks away from control lever 120 to above move, thereby releasing and processing box 70 is by the restriction state of control lever 120 restrictions.
< representative instance 4 of limiting mechanism: see Figure 23-Figure 29 C >
Limiting mechanism 150 in this instance is arranged in the over cap 100, is positioned at the inserting side of handle box 70 with respect to device case 21.
Like Figure 23-Figure 27 B; Limiting mechanism 150 comprises torsionspring 180; This torsionspring 180 can elastic deformation and is equivalent to be used to keep the elastic limit part of restriction site, and wherein at this restriction site place, the handle boxes 70 in the over cap 100 contact with torsionspring and are limited.Torsionspring 180 is provided with and promotes part 182, applies distortion power around the point of rotation 181 to this promotion part 182.Promote the dogging attachment recess 74 of part 182 doggings on the part of the box body framework 72 that is formed at handle box 70, then handle box 70 is pushed in the over cap 100, can not break away from from this over cap 100 to make this handle box 70 by means of promoting part 182.
Simultaneously, in this example, shown in Figure 23-Figure 27 B, device case 21 comprises the protrusion member 190 as the restriction releasing parts, and this protrusion member 190 is with relative as elastic limit part torsionspring 180.When carrying out the insertion operation of handle box 70 insertion device cases 21; Protrusion member 190 is relative with the promotion part 182 of torsionspring 180; When contacting, make that promoting part 182 moves to the restriction off-position along the direction that overcomes distortion power from restriction site then with promotion part 182.
Therefore, according to the limiting mechanism of this instance, shown in Figure 28 and Figure 29 C, before handle box 70 inserted device case 21, the promotion part 182 of torsionspring 180 is surrounded and limiting protecting covers the handle box 70 in 100.
Simultaneously; When handle box 70 inserts device cases 21 and over cap 100 and needs to use location/maintaining body 130 with respect to device case 21 location and maintenance; Protrusion member 190 contacts with the promotion part 182 of torsionspring 180, thereby discharges by the restriction state that promotes 182 pairs of handle boxes 70 of part.Therefore, when carrying out the release operation of control lever 120, handle box 70 is released from over cap 100, inserted then and be installed on the device case 21.
< representative instance 5 of limiting mechanism: see Figure 30 A-Figure 32 C >
Limiting mechanism 150 in this instance comprises elastic limit part 200, and this elastic limit part 200 is arranged in the over cap 100, is positioned at the inserting side of handle box 70 with respect to device case 21.Elastic limit part 200 comprises: elastic component 201, and this elastic component is around the end swing of the part of over cap 100; And dogging part 202, handle box 70 partly is limited in the front end of elastic component 201 through this dogging.
Simultaneously, the protrusion member 190 as the restriction releasing parts is arranged in device case 21 1 sides.When the dogging part 202 of protrusion member 190 and elastic limit part 200 contact relatively and with dogging part 202, protrusion member 190 made elastic component 201 move from restriction site and limits the off-position.
Therefore, according to the limiting mechanism relevant with this instance, shown in Figure 31 and Figure 32 C, before handle box 70 inserted and is installed to device case 21, the dogging part 202 of elastic limit part 200 is surrounded and limiting protecting covers the handle box 70 in 100.
Simultaneously; When handle box 70 inserts device cases 21 and over cap 100 and needs to use location/maintaining body 130 with respect to device case 21 location and maintenance; Protrusion member 190 contacts with the dogging part 202 of elastic limit part 200, thereby discharges the restriction state by 202 pairs of handle boxes 70 of dogging part.Therefore, when carrying out the release operation of control lever 120, handle box 70 is released from over cap 100, inserted then and be installed on the device case 21.
In addition, can suitably select a plurality of instances as limiting mechanism 150.Under the situation of selecting a plurality of limiting mechanisms 150, can increase limiting performance to the handle box 70 in the over cap 100.
-handle box recognition structure-
In general, because the kind of handle box 70 (that is, specification and transit information) different and different according to the kind of image processing system, so need will 70 insertions of suitable handle box and be installed on the image processing system.
According to the kind of image processing system, present embodiment provides a kind of and has suitably installed by the required handle box recognition structure of the handle box of over cap 100 protection 70.
Below, with the representative instance 1 and 2 of describing the handle box recognition structure.
< representative instance 1 of handle box recognition structure: see Figure 33-Figure 36 >
In this example, identification component 210 is arranged in the over cap 100, is positioned at the inserting side of handle box 70 with respect to device case 21.Identification component 210 can have shape arbitrarily; And it is can be with over cap 100 integrally formed or with the form setting of optional feature; As long as the relation between identification component 210 and the installation decision means 230 (it is interior below will to be described and to be arranged in device case 21) makes identification component 210 and installation decision means 230 not interfere so that can carry out the positioning action of over cap 100 with respect to adjusting position each other, perhaps make identification component 210 and the 230 mutual interference of installation decision means so that prevent to carry out the positioning action of over cap 100 with respect to adjusting position.
In this example, like Figure 33 and shown in Figure 34, for example, identification component 210 is removably mounted on a pair of parts receiving unit 220, and this is arranged in the both sides of the lid pedestal 101 of over cap 100 in advance to parts receiving unit 220.
At this moment, identification component 210 comprises article body 212, and this article body 212 cooperates with parts receiving unit 220.In article body 212, identification protrusion 213 is arranged in device case 21 1 sides with outstanding mode, wherein should identification protrusion 213 confirm according to the kind of handle box 70 in advance.
Specifically, in this example, identification component 210 is arranged in the both sides of over cap 100 asymmetricly, and regulates the direction of insertion of handle box 70 equably.
In this instance, the identification component 215 that is used to discern the kind of handle box 70 is arranged in the inserting side of handle box 70 with respect to device case 21.For example, identification component 215 and a part of integrally formed of box body framework 71 or with the form setting of optional feature.
Shown in figure 34, be used to judge the identification component 210 of over cap 100 and handle box 70 and 215 whether suitable installation decision means 230 is arranged in device case 21 1 sides.
Decision means 230 is installed is arranged in box body receiving unit 211 both sides of device case 21, and judge whether three identification components 210 and 215 (that is the identification component 215 of a pair of identification component 210 of over cap 100 and handle box 70) are suitable.
In addition, decision means 230 is installed can be integrally formed with device case 21, but in this example, installation decision means 230 comprises can be installed in the article body of perhaps pulling down from device case 21 on the device case 21 231.At this moment, a pair of decision block 232 and 233 and article body 231 integrally formed.
Suitable and over cap 100 location and remain on 21 last times of device case when handle box 70, the decision block 232 and 233 that decision means 230 is installed is arranged to and interference each other of identification component 210 and 215.On the other hand, improper and over cap 100 location and remain on 21 last times of device case when handle box 70, the decision block 232 and 233 that decision means 230 is installed is arranged to interfere each other with identification component 210 and 215.
Therefore; In this example; Shown in figure 36, when inserting and suitable handle box 70 be installed, because in over cap 100 location and remain on 21 last times of device case; The identification component 210 and 215 of over cap 100 and handle box 70 1 sides is arranged to and decision means 230 is installed does not interfere each other at the decision block 232 and 233 of device case 21 1 sides, so over cap 100 is located and remained on the device case 21.In this state, handle box 70 inserts and is installed on the device case 21.
< representative instance 2 of handle box recognition structure: see Figure 37-Figure 48 >
Like Figure 37 and shown in Figure 38, the installation decision means 230 that this instance uses is different with the installation decision means that representative instance 1 uses.
Decision means 230 is installed comprises the roughly decision block 234 of U-shaped, this decision block 234 is positioned at the side towards box body receiving unit 211 of article body 231.Guiding groove when the U-shaped recess 235 of decision block 234 is operated as the insertion of handle box 70.
Shown in Figure 39 A-Figure 39 E, for the mounting structure that decision means 230 is installed, can on the back side of article body 231, form location convex 236 and screw hole part 237 so that by screw retention on device case 21.As selection; Shown in Figure 40 A-Figure 40 E; Can on the back side of article body 231, form the Flexible Connector 239 of location convex 238 and elastically deformable,, thereby be fixed on the device case 21 so that Flexible Connector 239 doggings are in the connecting hole (not shown) of device case 21.
In addition, Figure 41 shows the another kind of decision means 230 of installing.
In Figure 41, decision means 230 is installed comprises decision block 240 at the lower area of article body 231.At this moment, the guiding groove of decision block 240 when the inclined surface part 241 of box body receiving unit 211 is operated as the insertion of handle box 70.
Shown in Figure 42 A-Figure 42 E, for the syndeton that decision means 230 is installed, can on the back side of article body 231, form location convex 236 and screw hole part 237 so that by means of screw retention on device case 21.As selection; Shown in Figure 43 A-Figure 43 E; Can on the back side of article body 231, form the Flexible Connector 239 of location convex 238 and elastically deformable,, thereby be fixed on the device case 21 so that Flexible Connector 239 doggings are in the connecting hole (not shown) of device case 21.
At this moment, for example shown in figure 44 when suitable handle box 70 inserts and is installed to device case 21 shown in figure 38, the identification component 215 of handle box 70 is not interfered with installation decision means 230 each other.Therefore, handle box 70 inserts and is installed on the device case 21.
Guiding groove when at this moment, the U-shaped recess 235 of installation decision means 230 is grasped with respect to insertion/installation of device case 21 as handle box 70.
Simultaneously, for example shown in figure 45 when inappropriate handle box 70 inserts and is installed to device case 21 shown in figure 38, the identification component 215 of handle box 70 is interfered with installation decision means 230 each other.Therefore, can by error handle box 70 not inserted and be installed on the device case 21.
When suitable handle box 70 inserted and is installed to device case 21 shown in figure 41, for example shown in figure 46, the identification component 210 of over cap 100 was not interfered with installation decision means 230 each other.Therefore, over cap 100 location also remain on the device case 21, and handle box 70 inserts and is installed on the device case 21 then.
Simultaneously, for example shown in figure 47 when inappropriate handle box 70 inserts and is installed to device case 21 shown in figure 46, the identification component 210 of over cap 100 is interfered with installation decision means 230 each other.Therefore, over cap 100 can not be located and remain on the device case 21.
When suitable a plurality of handle boxes 70 inserted and are installed to all box body receiving units 211 of device case shown in figure 48 21, handle box 70 can insert in succession and be installed on each box body receiving unit 211.

Claims (8)

1. over cap; It removably is arranged on the handle box; Said handle box removably inserts and is installed on the image processing system housing and comprises photosensitive-member; Said over cap was protected the exposed parts of said photosensitive-member before said handle box inserts and is installed to said image processing system housing, and was accompanied by said handle box and inserts and be installed on the said image processing system housing and pull down said over cap from said handle box
Said over cap comprises:
The lid pedestal, its covering is also protected the exposed parts of said photosensitive-member, and when said handle box inserts and is installed on the said image processing system housing, contact with said image processing system housing, so that guide said handle box movably;
Release parts, it is arranged on the said lid pedestal, is positioned at the opposite side of direction of insertion of inserting said image processing system housing with said handle box, and moves along the direction of insertion of said handle box, so that release said handle box from said lid pedestal; And
Restricted part; It is arranged on the said release parts; So that be arranged at said handle box under the state of said lid pedestal said handle box is limited in said lid pedestal, said handle box is discharged from said lid pedestal and insert and be installed under the state on the said image processing system housing at said handle box.
2. over cap as claimed in claim 1, wherein,
Said lid pedestal comprises guiding surface, and said guiding surface is used to guide said release parts, and
At least a portion of said guiding surface has along said handle box inserts the acclivitous part of direction of insertion of said image processing system housing, so that change the relative position between said restricted part and the said handle box.
3. over cap as claimed in claim 1, wherein,
Said release parts move, so that discharge the restriction state between said handle box and the said restricted part in the position that said handle box inserted and be installed to said image processing system housing.
4. over cap as claimed in claim 1 also comprises:
Location/retaining part; It is arranged on the said lid pedestal; Be positioned at direction of insertion one side that said handle box inserts said image processing system housing; And location and keep said lid pedestal when inserting and said handle box is installed so that preventing said handle box is drawn out of, and after inserting and said handle box is installed, can discharge location/hold mode
Wherein, said release parts are being released the hold mode that final position discharges said location/retaining part when it finishes the insertion of said handle box/fitting operation.
5. over cap as claimed in claim 4, wherein,
Said location/retaining part comprises the elastic keeper, and said elastic keeper can elastic deformation, and dogging is in the pilot hole that is formed at said image processing system housing, so that be fixed and held in the said pilot hole, and
Said over cap has position restriction mechanism, when finishing the insertion of said handle box/fitting operation, said position restriction mechanism with said release component limitations at said release final position.
6. over cap as claimed in claim 1, wherein,
Said restricted part comprises the elastic limit part of a pair of elastically deformable,
Said elastic limit part comprises flange portion, and said flange portion contacts with the blockage branch of said lid pedestal and makes said a pair of elastic limit part generation elastic deformation, thereby said a pair of elastic limit part can inwardly be subsided, and
Said flange portion is dividing the inclined lead that comprises at least two ladders on the part that contact surface with the blockage of said lid pedestal, makes that the angle between dividing with said blockage with respect to first inclined lead surface of the release direction of said release parts is set at greater than the angle between the surperficial and said blockage branch of back one inclined lead.
7. handle box, it removably inserts and is installed on the image processing system housing,
Said handle box comprises:
Photosensitive-member; And
Box body framework, said photosensitive-member are arranged in the said box body framework,
Wherein, Said box body framework is kept by over cap; Said over cap was protected the exposed parts of said photosensitive-member before said box body framework inserts and is installed to said image processing system housing; And be accompanied by said box body framework and insert and be installed on the said image processing system housing and pull down said over cap, and
Said over cap comprises:
The lid pedestal; It removably is arranged on the said box body framework; So that protect the exposed parts of said photosensitive-member, and, said box body framework contacts when inserting said image processing system housing, so that guide said box body framework movably with said image processing system housing;
Release parts; It is arranged on the said lid pedestal; Be positioned at the opposite side of direction of insertion of inserting said image processing system housing with said box body framework, and move, so that release said box body framework from said lid pedestal along the direction of insertion of said box body framework; And
Restricted part; It is arranged on the said release parts; So that when said casket body frame chord position is in said lid pedestal, said box body framework is limited in the said lid pedestal, and when said box body framework inserts and is installed on the said image processing system housing, said box body framework is discharged from said lid pedestal.
8. image processing system comprises:
The image processing system housing comprises that the handle box of photosensitive-member removably inserts and is installed on the said image processing system housing; And
Over cap; It protected the exposed parts of said photosensitive-member before said handle box inserts and is installed to said image processing system housing; And being accompanied by said handle box inserts and is installed on the said image processing system housing and pull down said over cap from said handle box
Wherein, said over cap comprises:
The lid pedestal, its covering is also protected the exposed parts of said photosensitive-member, and when said handle box inserts and is installed on the said image processing system housing, contact with said image processing system housing, so that guide said handle box movably;
Release parts, it is arranged on the said lid pedestal, is positioned at the opposite side of direction of insertion of inserting said image processing system housing with said handle box, and moves along the direction of insertion of said handle box, so that release said handle box from said lid pedestal; And
Restricted part; It is arranged on the said release parts; So that when said handle box is arranged in said lid pedestal, said handle box is limited in said lid pedestal, and when said handle box inserts and is installed on the said image processing system housing, said handle box is discharged from said lid pedestal.
CN2008100877785A 2007-09-20 2008-03-26 Protection cover, and process cartridge and image forming apparatus using the same Active CN101393416B (en)

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JP2007243153 2007-09-20
JP2007243152 2007-09-20
JP2007243154 2007-09-20
JP2007-243154 2007-09-20
JP2007-243152 2007-09-20
JP2007243152A JP4524694B2 (en) 2007-09-20 2007-09-20 Process cartridge protection structure and image forming apparatus using the same
JP2007243153A JP4524695B2 (en) 2007-09-20 2007-09-20 Process cartridge and image forming apparatus
JP2007243154A JP4524696B2 (en) 2007-09-20 2007-09-20 Process cartridge protection structure and image forming apparatus using the same
JP2007-243153 2007-09-20

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JP6407036B2 (en) * 2015-01-15 2018-10-17 キヤノン株式会社 Image forming apparatus
JP6399939B2 (en) 2015-01-24 2018-10-03 キヤノン株式会社 Cartridge and image forming apparatus
JP2018205518A (en) * 2017-06-02 2018-12-27 キヤノン株式会社 Image formation apparatus
JP7089218B2 (en) * 2018-04-25 2022-06-22 京セラドキュメントソリューションズ株式会社 Image forming device
JP6556309B2 (en) * 2018-09-07 2019-08-07 キヤノン株式会社 cartridge
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