CN204479914U - Handle box and image processing system - Google Patents

Abstract

A kind of handle box and image processing system, image processing system has handle box, in handle box (15), drum box (18) has Delevoping cartridge (19) is accommodated removably box installation portion (54), box installation portion (54) has: installation portion diapire (71), this installation portion diapire is provided with the counterpart (78) relative with installed Delevoping cartridge (19), and to the extension (79) that photosensitive drums (20) extends; And antetheca (72), this antetheca is provided with bulging handle part (87), and outstanding to the top of installed Delevoping cartridge (19).Adopt the utility model, the handle part there is user easily carrying out holding, and developer can be suppressed to leak.

Description

Handle box and image processing system

Technical field

The utility model relates to image processing system and its handle box had of a kind of laser printer etc.

Background technology

As image processing system, there will be a known a kind of printer detachably with box, in this box, be accommodated with toner.

As this box detachably established on a printer, propose a kind of handle box, it comprises: the bulging box kept photosensitive drums; And Delevoping cartridge, this Delevoping cartridge pair developer roll relative with photosensitive drums keeps, and is detachably located at (for example, referring to patent documentation 1) on bulging box.

In this handle box, in Delevoping cartridge, by the developer roll support relative with developer roll from downside is formed as the downside extending to photosensitive drums, thus suppress toner from the leakage of handle box.

In addition, in this handle box, in drum box, there is the handle part that also in the horizontal direction extend to the opposition side of photosensitive drums relative to Delevoping cartridge.In addition, on drum box, from oblique upper, Delevoping cartridge is installed from handle part side direction photosensitive drums side.

Patent documentation 1: Japanese Patent Laid-Open 2011-133759 publication

Utility model problem to be solved

In recent years, wish printer miniaturization, with this, the handle box installed on a printer also wishes miniaturization.

But when by above-mentioned handle box miniaturization, then the handle part that user is difficult to being formed on bulging box holds, and therefore, have studied the situation of extended handle part upward.When by handle part upward time, Delevoping cartridge must be made to load and unload from top relative between the drum photosensitive drums of box and handle part.

But, in the Delevoping cartridge loaded and unloaded like that, be difficult to downside developer roll support being extended to photosensitive drums, this unfavorable condition that toner cannot be suppressed to leak from handle box can be produced.

Utility model content

Therefore, the purpose of this utility model is, provides a kind of handle box and has its image processing system, have the handle part that user easily carries out holding, and developer can be suppressed to leak.

For solving the means of problem

(1) to achieve these goals, handle box of the present utility model has: Delevoping cartridge, and this Delevoping cartridge has developer receptacle portion and developer carrier; And photoreceptor cartridge, described Delevoping cartridge can load and unload relative to this photoreceptor cartridge, and photoreceptor cartridge has: framework; And photoreceptor, this photoreceptor is located in framework, and is configured to rotate about the axis, and framework has: the photoreceptor incorporating section of storage photoreceptor; And the box incorporating section of storage Delevoping cartridge, this box incorporating section is adjacent with photoreceptor incorporating section, box incorporating section has the 1st wall and the 2nd wall, 1st wall and the 2nd wall form the space of receiving Delevoping cartridge, 1st wall has: counterpart, the direction that this counterpart is adjacent with photoreceptor incorporating section to box incorporating section extends, and relative with Delevoping cartridge; And in order to by recording medium to photoreceptor carry out leading and to photoreceptor extend extension, 2nd wall has handle part, and from counterpart on adjacent direction with the end of opposition side, photoreceptor incorporating section, on the direction intersected with adjacent direction, more outstanding than the direction of Delevoping cartridge more to relative, extension more extends to side, photoreceptor incorporating section than Delevoping cartridge on adjacent direction.

Adopt this structure, because handle part is located on the 2nd wall of photoreceptor cartridge in the mode more outstanding to relative direction than Delevoping cartridge, therefore, can easily operate handle part.

In addition, extension is located on the 1st wall of photoreceptor cartridge in the mode of the side, photoreceptor incorporating section extending to Delevoping cartridge, and is provided with counterpart on the 1st wall of photoreceptor cartridge, therefore, the developer being accommodated in Delevoping cartridge can be suppressed to leak from the 1st wall side of relative direction.

Therefore, the handle part there is user easily carrying out holding, and developer can be suppressed to leak from the 1st wall side of the photoreceptor cartridge of handle box.

(2) in addition, extension also can extend from the end of the side, photoreceptor incorporating section of counterpart on adjacent direction to the mode of photoreceptor lateral bend.

Adopt this structure, because extension is to photoreceptor lateral bend, therefore, the side, photoreceptor incorporating section of the developer photoreceptor cartridge from handle box being accommodated in Delevoping cartridge can be suppressed to leak.

(3) in addition, extension also can have teat, and this teat is continuous from the end of the side, photoreceptor incorporating section in the adjacent direction of extension, and outstanding to developer carrier.

Adopt this structure, because teat is formed as, turn back to developer carrying side from the end of the side, photoreceptor incorporating section of extension, therefore, can reliably suppress the developer being accommodated in Delevoping cartridge to leak from handle box.

(4) in addition, framework also can have the transfer member support supported transfer member, transfer member for the developer that will be carried on photoreceptor as transfer printing on the recording medium, the end of the side, photoreceptor incorporating section in the adjacent direction of transfer member support and extension forms opening, and this opening is used for recording medium to be directed between transfer member and photoreceptor.

Adopt this structure, utilize the extension that developer can be suppressed to leak, and the opening be directed to by recording medium between transfer member and photoreceptor can be formed.

Therefore, be simple structure, and when forming opening with the other parts of use compared with, can parts count be reduced, the miniaturization of handle box can be realized.

(5) in addition, Delevoping cartridge also can be configured to, while rotate relative to box incorporating section, while loaded and unloaded relative to box incorporating section, box incorporating section has the 3rd wall, the Delevoping cartridge of 3rd wall with installed outside axis direction is relative, 3rd wall has the guide part for leading to the rotation of Delevoping cartridge, Delevoping cartridge is in the end of the axis direction of its developer carrier, have led by guide part be directed to portion, guide part has fastener, when installing Delevoping cartridge, described fastener is engaged in an opposite direction with the portion of being directed to.

Adopt this structure, Delevoping cartridge can be rotated relative to box incorporating section and load and unload.

Therefore, even if the 2nd wall photoreceptor cartridge with handle part is formed as outstanding to relative direction, also can Delevoping cartridge be made swimmingly to load and unload.

In addition, when handle part like this is formed as outstanding to relative direction, if arrange the parts suppressing developer to leak on Delevoping cartridge, then produce this unfavorable condition that Delevoping cartridge maximizes.

But, owing to being provided with the extension covered by Delevoping cartridge 19 on photoreceptor cartridge, therefore, developer can be suppressed to leak, and handle box can not be made to maximize.

Its result, the handle part there is user can easily carrying out holding, and can reliably suppress developer to leak.

(6) image processing system of the present utility model, has above-mentioned handle box.

Adopt this structure, image processing system has handle box, the handle part having user and can easily carry out holding, and the developer being accommodated in Delevoping cartridge can be suppressed to leak.

Therefore, in image processing system, developer handle box can be suppressed to spill, adhere on the recording medium.

(7) in addition, image processing system of the present utility model, also the transport path for conveying recording medium can be had, transport path extends along basic vertical direction, to make recording medium by between photoreceptor and transfer member, extension is formed as, along with the conveyance direction downstream side towards recording medium close to transport path.

Adopt this structure, because extension is formed as along with the conveyance direction downstream side towards recording medium close to transport path, therefore, the developer fallen because image forms action can be made to flow with leaving transport path from extension to counterpart.

Therefore, developer can be suppressed to enter transport path and adhere on the recording medium.

(8) in addition, in image processing system of the present utility model, the end of the side, photoreceptor incorporating section in the adjacent direction of extension, is also configurable on the transfer member side of roller, and described roller is used for carrying the recording medium of the throughput direction upstream side being located at recording medium.

Adopt this structure, when viewed from throughput direction upstream side, extension is configured to the state covered by Delevoping cartridge.

Therefore, the developer being accommodated in Delevoping cartridge can be reliably suppressed to enter transport path and attachment phenomenon on the recording medium.

(9) in addition, in image processing system of the present utility model, transfer member support is formed in the conveyance direction downstream side of the recording medium of extension.

Adopt this structure, can extension be utilized and reliably recording medium is directed to transfer member support side.

Therefore, elongate member recording medium can be utilized to be directed to transfer member support side, and the developer being accommodated in Delevoping cartridge can be suppressed to adhere on the recording medium.

The effect of utility model

In handle box of the present utility model and image processing system, there is the handle part that user easily carries out holding, and developer can be suppressed to leak from the 1st wall side of photoreceptor cartridge.

Accompanying drawing explanation

Fig. 1 is the sectional view of the printer of an embodiment of the present utility model.

Fig. 2 is the cut-open view of the handle box shown in Fig. 1.

Fig. 3 is the stereographic map from the bulging box shown in the Fig. 2 viewed from upper left side.

Fig. 4 is the stereographic map from the bulging box shown in the Fig. 2 viewed from lower left.

Fig. 5 is for illustration of the Delevoping cartridge shown in Fig. 2 relative to the box-packed key diagram unloaded of drum, is the left view that Delevoping cartridge is arranged on the state on bulging box completely.

Fig. 6 is then Fig. 5 and for illustration of Delevoping cartridge relative to the box-packed key diagram unloaded of drum, be represent the box-packed left view of state unloaded in way of Delevoping cartridge and drum.

Fig. 7 is then Fig. 6 and for illustration of Delevoping cartridge relative to the box-packed key diagram unloaded of drum, be represent that Delevoping cartridge departs from the left view of state of drum box.

Symbol description

1 printer

15 handle boxes

18 drum boxes

19 Delevoping cartridges

20 photosensitive drums

21 transfer rolls

26 toner storage rooms

34 developer rolls

47 linings

52 drum frames

53 drum incorporating sections

54 box installation portions

56 transfer roll supports

58 guide parts

60 fasteners

71 installation portion diapires

72 antethecas

78 counterparts

79 extensions

80 teats

84 paper supply peristomes

87 handle parts

Embodiment

1. the one-piece construction of printer

As the printer 1 of an example of the image processing system of an embodiment of the present utility model, as shown in Figure 1, there is the main body cover 2 of roughly box shape.

In addition, have in the main body cover 2 of printer 1: for supplying the sheet feed section 3 of the paper S of the example as recording medium; And for forming the image forming part 4 of image on supplied paper S.

In addition, associated printer 1 and handle box 15 (aftermentioned), when mentioning direction, direction when placing with horizontal direction is respectively benchmark, specifically, with the direction of arrow shown in each figure for benchmark.

Namely, about the fore-and-aft direction up and down in Fig. 1 of printer 1, different slightly from the fore-and-aft direction up and down in the Fig. 2 to Fig. 7 about handle box 15 (aftermentioned), handle box 15 (aftermentioned) with on front side of it for before printer 1 downside, rear side is that the state of the rear side of printer 1 is arranged on printer 1.

(1) main body cover

Main body cover 2 is formed: for loading and unloading the box peristome 5 of handle box 15 (aftermentioned); And for importing the paper peristome 6 of paper S.

Box peristome 5 is vertically formed through in the upper end of main body cover 2.

Paper peristome 6 is formed through in front-rear direction in the bottom of the leading section of main body cover 2.

In addition, be provided with upper cover 7 in the upper end of main body cover 2, be provided with paper supply cover cap 8 in the leading section of main body cover 2.

Upper cover 7 can with end thereafter for fulcrum, and carries out swinging (movement) in the make-position closed by box peristome 5 and the release position that opened by box opening 5.

Paper supply cover cap 8 can with its bottom for fulcrum, and carries out swinging (movement) in the 1st position closed by paper peristome 6 and the 2nd position that opened by paper peristome 6.

(2) sheet feed section

Sheet feed section 3 has the paper placement section 9 of the bottom being located at main body cover 2.

Paper placement section 9 by paper peristome 6 with the ft connection of main body cover 2.

Further, under paper supply cover cap 8 is configured in the 2nd position and paper peristome 6 is open state, paper S is configured with.More particularly, paper S is configured to, and its front part is stacked on the upper surface of paper supply cover cap 8, and its rear section is stacked in paper placement section 9 by paper peristome 6.

In addition, sheet feed section 3 has: the pick-up roller 11 on the upside of the rearward end being configured in paper placement section 9; Be configured in the paper feed roller 12 of the rear side of pick-up roller 11; Relatively be configured in the paper supply block 13 of the rear side of paper feed roller 12; And from the paper supply passage 14 that the rearward end of paper supply block 13 also extends continuously upward.

(3) image forming part

Image forming part 4 has: handle box 15, scanning element 16 and fixation unit 17.

(3-1) handle box

Handle box 15 is configured to load and unload relative to main body cover 2, and when being arranged on main body cover 2, is configured in the upside of the rear section of sheet feed section 3.

Handle box 15 has: as the bulging box 18 of an example of photoreceptor cartridge, and described photoreceptor cartridge can load and unload relative to main body cover 2; And the Delevoping cartridge 19 that can load and unload relative to this drum box 18.

Drum box 18 has: as the photosensitive drums 20 of an example of photoreceptor; As the transfer roll 21 of an example of transfer member; And grid-control formula corona charging device 22.

Photosensitive drums 20 is formed as at the longer drum of left and right directions, and has the bulging axle 42 extended in the lateral direction.Photosensitive drums 20 is rotatably located on the rear section of bulging box 18.

Transfer roll 21 is formed as the substantial cylindrical shape extended in the lateral direction, and so that from rear side, the state be crimped in photosensitive drums 20 is located on the rear section of bulging box 18.

Specifically, its axle center of transfer roll 21 compared to photosensitive drums 20 axle center and be configured in the rear side of photosensitive drums 20 with being slightly positioned at downside.In addition, the lower ora terminalis of transfer roll 21 is configured in the upside of the lower ora terminalis of photosensitive drums 20.Specifically, the imaginary line segment (not shown) coupled together in the axle center of transfer roll 21 and the axle center of photosensitive drums 20 is about 3 ° with the angle of the acute angle that the imaginary line (not shown) of horizontal-extending is along the longitudinal direction formed.Therefore, transfer roll 21 pressure (transfer pressure) be crimped in photosensitive drums 20 is not subject to the effect of weight of transfer roll 21.

Grid-control formula corona charging device 22 is arranged opposite at the front upper side of photosensitive drums 20 at spaced intervals.

Specifically, grid-control formula corona charging device 22 is configured to, configure at spaced intervals in the circumference of photosensitive drums 20 relative to transfer roll 21, and the imaginary line segment (not shown) coupled together in the axle center of photosensitive drums 20 and the axle center of transfer roll 21 and the angle of angle that formed by the imaginary line segment (not shown) that the axle center of photosensitive drums 20 and charged metal line 23 (aftermentioned) couple together are about 120 °.

In addition, grid-control formula corona charging device 22 has charged metal line 23 and grid 24.

Charged metal line 23 is tauted with extending in the lateral direction, and is arranged opposite at the front upper side of photosensitive drums 20 at spaced intervals.

Grid 24 is formed as the roughly U-shaped during side-looking of forward upward opening, and is set as from rear side encirclement charged metal line 23.

Delevoping cartridge 19 is configured in the front downside of photosensitive drums 20, and has developing frame 25.

In developing frame 25, be formed with the toner storage room 26 as an example in developer receptacle portion and developing room 27 in tandem.Toner storage room 26 is formed roughly the same with their volume of developing room 27 respectively, and is communicated with by connected entrance 28.

Be accommodated with toner (developer) in toner storage room 26, be arranged with stirrer 29 in the front and back above-below direction substantially central portion of toner storage room 26.That is, stirrer 29 is configured in the downside of photosensitive drums 20.

In developing room 27, the upper surface of its lower wall is formed: donor rollers groove 30, developer roll opposite face 31 and lower film attach face 32.

Donor rollers groove 30 is roughly semi-circular shapes of the side face along donor rollers 33 (aftermentioned), and is formed as caving in the back lower place.

Developer roll opposite face 31 is roughly circular shapes of the side face along developer roll 34 (aftermentioned), and is formed as also extending rearwardly and upwardly continuously from the rearward end of donor rollers groove 30.

Lower film attaches face 32 and is formed as also rearward extending continuously from the rearward end of developer roll opposite face 31.That is, lower film attaches the upside that face 32 is configured in developer roll opposite face 31.

In addition, lower film attaches face 32, is oppositely disposed at spaced intervals in the vertical direction with the lower portion of photosensitive drums 20, and lower film attaching face 32 is configured to, when vertically projecting, overlapping with the axle center of photosensitive drums 20.

In addition, outside the left and right directions two of developing room 27, be provided with a pair side seal 45 (with reference to Fig. 2).

Side seal 45 is formed as substantially C-shaped during side-looking, and this substantially C-shaped is along the side face ground opening upward of developer roll 34 (aftermentioned).

In addition, be provided with in developing room 27: donor rollers 33; As the developer roll 34 of an example of developer carrier; Thickness margining tablet 35; And lower film 36.

Donor rollers 33 is formed as the substantial cylindrical shape extended in the lateral direction, and is configured in the state in donor rollers groove 30 with its lower portion and is rotatably located in the front part of developing room 27.Thus, donor rollers 33 is configured in the rear side of toner storage room 26, and is configured to the height (compared to toner storage room 26 a little upside) roughly the same with toner storage room 26 at above-below direction.

Developer roll 34 has: the metal development roll shaft 43 extended in the lateral direction; And the rubber rollers 44 of development roll shaft 43 is covered in the mode that the both ends, left and right of the roll shaft 43 that develops are exposed.

Developer roll 34 is configured to, the side face of the left and right directions substantial middle of the lower portion of rubber rollers 44 is relative with the separated from each other compartment of terrain of developer roll opposite face 31, and the side face at the left and right directions both ends of the lower portion of rubber rollers 44 contacts with the upper surface of side seal 45, developer roll 34 is rotatably located on the rear section of developing room 27.That is, side seal 45 is configured to cave in downwards, and with under the state be arranged on printer 1 at handle box 15, the toner be carried on developer roll 34 can not leak from rear side.

In addition, the rubber rollers 44 of developer roll 34 is set as, and contacts from rear upside with donor rollers 33, and on the upside of it and rear section expose from developing room 27, and in the past downside contacts with photosensitive drums 20.That is, developer roll 34 is configured in the rear upside of donor rollers 33, and is configured in the front downside of photosensitive drums 20.Further, the axle center configuration of the axle center of donor rollers 33, the axle center of developer roll 34 and photosensitive drums 20 is on the roughly same straight line of the radial direction along photosensitive drums 20.

In addition, developer roll 34 configures in the circumference of photosensitive drums 20 at spaced intervals relative to grid-control formula corona charging device 22, and be configured to, the imaginary line segment (not shown) coupled together in the axle center of photosensitive drums 20 and charged metal line 23 and the angle of angle formed by the imaginary line segment (not shown) that the axle center of photosensitive drums 20 and the axle center of developer roll 34 couple together are about 120 °.That is, developer roll 34, grid-control formula corona charging device 22 and transfer roll 21 separate respectively and equally spaced configure in the circumference of photosensitive drums 20.

The upper end of thickness margining tablet 35 is fixed in the rearward end of the upper wall of developing room 27, and the bottom of thickness margining tablet 35 contacts from front side with developer roll 34.

The rear section of lower film 36 is fixed on lower film and attaches on face 32, the leading section of lower film 36 above developer roll opposite face 31 with the circumferential contact of developer roll 34.

(3-2) scanning element

Scanning element 16 is configured in the front side of handle box 15, is namely configured at fore-and-aft direction relative with photosensitive drums 20 at spaced intervals.

Scanning element 16, injects to photosensitive drums 20 based on view data by laser beam L, and the side face of photosensitive drums 20 is exposed.

Specifically, laser beam L rearward penetrates from scanning element 16, exposes the side face of the leading section of photosensitive drums 20.That is, the exposure station (side face of the leading section of photosensitive drums 20) that exposes of photosensitive drums 20, relative to photosensitive drums 20 axle center and be set in the opposition side of the bite that photosensitive drums 20 contacts with transfer roll 21.

Now, Delevoping cartridge 19 is configured in the downside of the injection track of laser beam L, and grid-control formula corona charging device 22 is configured in the upside of the injection track of laser beam L.

In addition, corresponding to the medial surface of the main body cover 2 between scanning element 16 and photosensitive drums 20, the guide part 37 that the handling of handle box 15 are led is provided with.Further, when handle box 15 departs from main body cover 2, handle box 15 is led by guide part 37, thus, be arranged on Delevoping cartridge 19 on bulging box 18 just from downside to upside by the injection track of laser beam L.

Now, the various rollers (transfer roll 21, donor rollers 33 and developer roll 34) be located on handle box 15 also pass through the injection track of laser beam L from downside to upside.

(3-3) fixation unit

Fixation unit 17 is configured in the upside of the rear section of bulging box 18.Specifically, fixation unit 17 has: the warm-up mill 38 being configured in the top of grid-control formula corona charging device 22; And from the backer roll 39 that rear upside crimps with warm-up mill 38.

That is, warm-up mill 38 is configured near the upper end (open sides end) of the grid 24 of grid-control formula corona charging device 22.

(4) image forms action

Toner in the toner storage room 26 of Delevoping cartridge 19, is supplied in donor rollers 33 along with the rotation of stirrer 29 by connected entrance 28, is supplied on developer roll 34 further, by friction belt positive electricity between donor rollers 33 and developer roll 34.

The thickness being supplied to the toner on developer roll 34 was used the rotation of developer roll 34 and was limited by thickness margining tablet 35, was made certain thickness thin layer and was carried on the surface of developer roll 34.

On the other hand, the surface of photosensitive drums 20, after by grid-control formula corona charging device 22 by uniform charged, is exposed by scanning element 16.Thus, the electrostatic latent image based on view data is formed at the side face of photosensitive drums 20.Then, by being supplied to by the toner be carried on developer roll 34 on the electrostatic latent image on the side face of photosensitive drums 20, thus on photosensitive drums 20 side face, carry toner image (developer picture).

The paper S be stacked on paper placement section 9 is sent between paper feed roller 12 and paper supply block 13 along with the rotation of pick-up roller 11, and is separated one by one along with the rotation of paper feed roller 12.Then, the paper S is separately transported to paper supply passage 14 along with the rotation of paper feed roller 12, and is one by one supplied to image forming part 4 (between photosensitive drums 20 and transfer roll 21) with official hour.

Then, paper S is transported between photosensitive drums 20 and transfer roll 21 from downside to upside.Now, toner image is transferred on paper S, thus forms image.

Then, paper S is when just being heated by time between warm-up mill 38 and backer roll 39 and pressurizeed.Now, image is heat-fixed on paper S.

Then, paper S is transported to exit roller 40, is discharged on the discharge tray 41 of the upper surface being formed at main body cover 2 by exit roller 40.

So, paper S is supplied from paper placement section 9, paper S edge roughly vertical direction is passed through between photosensitive drums 20 and transfer roll 21 (bite) from below upward, then, by after between warm-up mill 38 and backer roll 39, be transferred along the side-looking transfer passage that is substantially C-shaped and be discharged on discharge tray 41.

2. handle box

Handle box 15 as shown in Figure 2, has: be detachably arranged on the bulging box 18 on main body cover 2 (with reference to Fig. 1); And the Delevoping cartridge 19 be detachably arranged on bulging box 18.

(1) box is roused

Drum box 18 as shown in Figure 3, has drum frame 52.

Drum frame 52 is formed as roughly there is end rectangular frame shape, and its rear lateral portion is fractal becomes the bulging incorporating section 53 of the example as photoreceptor incorporating section, and its front part is formed as the box installation portion 54 of the example as box incorporating section.That is, incorporating section 53 is configured in box installation portion 54 rear side with state adjacent with box installation portion 54 is in the longitudinal direction roused.

(1-1) incorporating section is roused

Drum incorporating section 53 is formed as the open roughly box shape in front side (with reference to Fig. 2), and has: spaced apart and a pair incorporating section sidewall 55 of relative configuration at left and right directions; The transfer roll support 56 (with reference to Fig. 2) that the rear section of the bottom of these incorporating section sidewalls 55 is coupled together; And the upper wall 57 that the upper end of these incorporating section sidewalls 55 coupled together.

A pair incorporating section sidewall 55 is the roughly writing board shape of substantially rectangular shape when being formed as the side-looking extended up and down respectively.

On each incorporating section sidewall 55, the lower portion in its leading section is provided with guide part 58.

On guide part 58, be formed with gathering sill 59, and be provided with fastener 60.

Gathering sill 59 rearward caves in from the front-end edge of incorporating section sidewall 55, and the roughly U-shaped during side-looking opened on front side of being formed as.The groove width (above-below direction length) of gathering sill 59, is formed as the length (slightly long) roughly the same with the external diameter of the lining 47 (aftermentioned) of Delevoping cartridge 19.

Fastener 60 is formed as the substantially rectangular shape during side-looking given prominence to rearwardly and upwardly from the leading section of incorporating section sidewall 55 in the upside of gathering sill 59.That is, fastener 60 is formed along following direction, and described direction intersects with the direction along the upper edge of installing sidewall 70 (aftermentioned).In addition, the lower ora terminalis of fastener 60 is set as with the upper edge of gathering sill 59 continuous.

In addition, between a pair incorporating section sidewall 55, as shown in Figure 2, photosensitive drums 20 and transfer roll 21 is supported with.

In substantial middle part when the left and right directions both ends of the bulging axle 42 of photosensitive drums 20 are configured in the side-looking of corresponding incorporating section sidewall 55 respectively, and sidewall 55 ground, through incorporating section in the lateral direction (with reference to Fig. 3) protruding outside, can be bearing in the relative rotation thus on a pair incorporating section sidewall 55.

As shown in Figure 2, its both ends, left and right are configured in the rear side part of incorporating section sidewall 55 transfer roll 21, and can be bearing in the relative rotation on reply incorporating section sidewall 55.

In addition, the left and right directions length of transfer roll 21, is formed shorter than the left and right directions length of photosensitive drums 20.Therefore, the gap-forming of the left and right of the rear side part of incorporating section sidewall 55 must be shorter, to support transfer roll 21.That is, incorporating section sidewall 55 is formed as end thereafter towards roughly crank-like during the overlooking of inner side.

Transfer roll support 56 be formed as along transfer roll 21 side face analyse and observe to the side that rear side bloats time roughly U-shaped.

In addition, transfer roll support 56 has flange part 63 integratedly.

Flange part 63 as shown in Figure 2, is formed as from transfer roll support 56 leading section continuously, and the roughly writing board shape extended downwards.

On flange part 63, as shown in Figure 4, multiple (in present embodiment being four) recess 64 is formed.

Recess 64 configures respectively in the lateral direction at spaced intervals, and the bottom being formed as flange part 63 is opened, cave in upward overlook time roughly U-shaped.

Upper wall 57 as shown in Figure 3, is formed as the roughly writing board shape extended in the lateral direction.In addition, on upper wall 57, as shown in Figure 2, grid-control formula corona charging device 22 is embedded with.The bottom of the grid 24 of grid-control formula corona charging device 22 is exposed from the lower surface of upper wall 57.

Further, upper wall 57 is set as, and cover photosensitive drums 20 from upside, the bottom of grid 24 is relative with the upper portion of photosensitive drums 20.

In addition, the open area between the upper end of upper wall 57 and transfer roll support 56, is divided into the ADF peristome 67 (with reference to Fig. 2) for being discharged by the paper S of the bite that have passed between photosensitive drums 20 and transfer roll 21.

(1-2) box installation portion

Box installation portion 54 as shown in Figure 3, is formed as the roughly box shape of upside and rear side opening, and has: a pair installation portion sidewall 70 be oppositely disposed at spaced intervals in the lateral direction with allowing Delevoping cartridge 19 handling; As the installation portion diapire 71 of an example of the 1st wall that the bottom of a pair installation portion sidewall 70 is coupled together; And the antetheca 72 of an example as the 2nd wall that the leading section of a pair installation portion sidewall 70 is coupled together.

A pair installation portion sidewall 70, is formed as continuous from the bottom of the leading section of incorporating section sidewall 55 respectively, and along with the roughly writing board shape extended toward the front and obliquely upward.In addition, the upper edge of installation portion sidewall 70 is formed as, continuous with the lower ora terminalis of gathering sill 59, and along with extending toward the front and obliquely upward.The upper edge of the front-end edge of incorporating section sidewall 55, fastener 60, gathering sill 59 and installation portion sidewall 70 forms guide part 58, and installation portion sidewall 70 and incorporating section sidewall 55 are configured to an example of the 3rd wall with guide part 58.

In addition, the installation portion sidewall 70 on right side is provided with securing rod 74, this securing rod 74 pairs of Delevoping cartridges 19 limit relative to the disengaging of drum box 18.

Installation portion diapire 71 as shown in Figure 2, is configured in the front side of flange part 63 at spaced intervals.Installation portion diapire 71 has counterpart 78, extension 79 and bellying 81 integratedly.

Leading section between counterpart 78 is formed as the bottom from a pair installation portion sidewall 70 couples together to the rearward end of erection extension 79, and the roughly writing board shape extended in front-rear direction.

Rearward end between extension 79 is formed as the bottom of a pair installation portion sidewall 70 couples together and rearward to extend and slightly to top (photosensitive drums 20 side) bending roughly writing board shape from the rearward end (drum side, incorporating section 53) of counterpart 78.

Bellying 81 is formed as, at the continuous part of counterpart 78 with extension 79, bloating to front upper side.

In addition, extension 79 is provided with: from the teat 80 that the end edge of extension 79 is continuous and outstanding to front upper side; And from the end edge of extension 79 multiple (be in the present embodiment four) protuberance outstanding to photosensitive drums 20 82 (with reference to Fig. 4).

Teat 80 is formed as the roughly writing board shape (with reference to Fig. 3) extended in the lateral direction, and under being formed as the state be arranged on bulging box 18 at Delevoping cartridge 19, continuous from the end edge (drum side, incorporating section 53) of extension 79, and outstanding to developer roll 34.

Protuberance 82 as shown in Figure 4, with from the end edge of extension 79 continuously and the state outstanding to photosensitive drums 20 and in the lateral direction separated from each other compartment of terrain configure.Four protuberances 82 are formed in when projecting to fore-and-aft direction, on the position relative with four recesses 64.

And, open area between the leading section of transfer roll support 56 and the rearward end (drum side, incorporating section 53) of installation portion diapire 71 is divided into paper supply peristome 84, and this paper supply peristome 84 is routine as of opening paper S being supplied to the bite between photosensitive drums 20 and transfer roll 21.

Antetheca 72 as shown in Figure 2, is formed as continuous from the leading section of installation portion diapire 71, and along with tilting toward the front and obliquely upward.

In addition, on antetheca 72, as shown in Figure 3, its rear surface left and right directions is provided with at spaced intervals multiple (being two in the present embodiment) push part 83.

Delevoping cartridge 19 pushes to photosensitive drums 20 under being set to the state be arranged on bulging box 18 at Delevoping cartridge 19 by push part 83.

In addition, antetheca 72 is provided with extension 86.

Extension 86 is formed as in the lateral direction the roughly writing board shape that (length direction) extends, and is formed as continuous from the left and right directions substantial middle part of the upper end of antetheca 72, and along with extending upward and forwards (with reference to Fig. 2).Extension 86 has the bulging handle part 87 of the example as handle part integratedly.

Drum handle part 87 is set to, and extends in the lateral direction in the left and right directions substantial middle part of the rear surface of extension 86.Drum handle part 87 is formed as along with bloating upward and rearward.

(2) Delevoping cartridge

Delevoping cartridge 19 has: power supply unit (not shown), and this power supply unit is configured on the right side of developing frame 25, and is inputted by electric power from outside; Gear row (not shown), this gear row as shown in Figure 5, are configured on the left of developing frame 25, and from printer 1 input queued switches power; And cover the gear cover cap 48 of gear row (not shown).

The roughly box shape that gear cover cap 48 is formed as to the right and rear is open.Gear cover cap 48 is provided with abutting part 49.

Abutting part 49 is formed as the roughly claw shape during side-looking of forward upward and back lower place extension, and is formed as from the left surface of the rear upside of gear cover cap 48 roughly post shapes outstanding to the left.

Divide in the rearward end of abutting part 49 and have guided bend face 50.

Guided bend face 50 is divided into the rearward end at abutting part 49, and side is continuously and along with the roughly circular shape of lateral bend downward towards rear side from it.

In addition, guided bend face 50, the power supply unit (not shown) on the right side of developing frame 25 is also arranged with symmetrical shape and configuration.

On the other hand, on the both ends of development roll shaft 43, be embedded with outward substantially cylindrical shape as the lining 47 of an example being directed to portion.

Further, gear cover cap 48, to cover gear row (not shown) and to make lining 47 be exposed to the state of Delevoping cartridge 19 left from end thereafter, is fixed on the left side wall of developing frame 25.

In addition, the developing frame 25 of Delevoping cartridge 19 is provided with development handle part 51.

Development handle part 51 is formed as being the roughly writing board shape of substantially rectangular shape when front is seen, and is located at respectively on the left and right directions both ends of the front surface of developing frame 25.In addition, development handle part 51 is formed as continuous from the upper end of the front surface of developing frame 25, and along with extending toward the front and obliquely upward.

3. Delevoping cartridge is relative to the handling of drum box

Then, the handling of Delevoping cartridge 19 relative to drum box 18 are described.

(1) installation of Delevoping cartridge on drum box

Delevoping cartridge 19 to be arranged on bulging box 18, then as shown in Figure 7, the development handle part 51 of Delevoping cartridge 19 be held, the rearward end of Delevoping cartridge 19 is inserted in the box installation portion 54 of bulging box 18 from upside.

Like this, lining 47 abuts with the upper end of installation portion sidewall 70, and the guided bend face 50 of abutting part 49 abuts with the front-end edge of incorporating section sidewall 55.

Then, Delevoping cartridge 19 is made with the abutment portion of guided bend face 50 and incorporating section sidewall 55 for fulcrum and rotating to installation direction X (roughly clockwise around left side apparent time).Like this, as shown in Figure 6, the upper edge just along installation portion sidewall 70 moves to the back lower place lining 47, and downside is mobile forward in the leading section of Delevoping cartridge 19.

Then, when making Delevoping cartridge 19 rotate along installation direction X further, then as shown in Figure 5, lining 47 is inserted in the gathering sill 59 of guide part 58, and the leading section of Delevoping cartridge 19 is incorporated in the leading section of box installation portion 54.So, the rotation of guide part 58 pairs of Delevoping cartridges 19 is led.

In addition, the fastener 60 of guide part 58 is relative with the upside of lining 47, and is engaged by lining 47 in the vertical direction.

In addition, the push part 83 of box installation portion 54 antetheca 72, by pushing from front side to Delevoping cartridge 19, thus the rubber rollers 44 of developer roll 34 is crimped all the time with photosensitive drums 20.

As mentioned above, the installation of Delevoping cartridge 19 pairs of box installation portions 54 terminates, formation processing box 15.

Now, installation portion diapire 71 is formed as, and as shown in Figure 2, counterpart 78 relatively configures with Delevoping cartridge 19 in the vertical direction, and extension 79 extends to the rear side (drum side, incorporating section 53) of Delevoping cartridge 19, and close to photosensitive drums 20.

In addition, installation portion sidewall 70 as shown in Figure 5, is oppositely disposed with Delevoping cartridge 19 outside left and right directions.

In addition, the bulging handle part 87 of drum box 18, towards front upper side (direction that the direction adjacent with box installation portion 54 with drum incorporating section 53 intersects), gives prominence to than the development handle part 51 of Delevoping cartridge 19.

In addition, Delevoping cartridge 19, relative to the disengaging of drum box 18, is subject to the restriction of securing rod 74 all the time.

(2) Delevoping cartridge is from the disengaging drum box

Make Delevoping cartridge 19 depart from drum box 18, then operate by the order contrary with above-mentioned installation action.

Specifically, the restriction of the bar 74 that first unlocks, and as shown in Figure 5, the development handle part 51 of Delevoping cartridge 19 is held, along off-direction Y, it is mentioned upside backward.

Like this, lining 47 upper end is removed with the engaging of the bottom of the fastener 60 of guide part 58, and the guided bend face 50 of abutting part 49 abuts with the front-end edge of incorporating section sidewall 55.Delevoping cartridge 19 with the abutment portion of guided bend face 50 and incorporating section sidewall 55 for fulcrum and rotating to off-direction (counterclockwise around left side apparent time).

Then, lining 47 departs from gathering sill 59, and is configured in the front upper side of fastener 60, and is positioned at the upside of the continuous part of incorporating section sidewall 55 and installation portion sidewall 70.

Then, by Delevoping cartridge 19 along off-direction Y further backward upside mention, make Delevoping cartridge 19 to upside depart from drum box 18.

As mentioned above, Delevoping cartridge 19 terminates from the disengaging of box installation portion 54.That is, Delevoping cartridge 19 rotates while load and unload relative to the box installation portion 54 of drum box 18.

4. handle box is to the installation of main body cover

To handle box 15 be arranged on main body cover 2, first as shown in Figure 1, as mentioned above, the upper cover 7 of main body cover 2 be configured to release position.

Then, the bulging handle part 87 of handle box 15 is held, handle box 15 is inserted in main body cover 2 by box peristome 5.

Then, when handle box 15 is pushed into rear side along guide part 37, handle box 15 is just inserted in main body cover 2.

As mentioned above, the installation of handle box 15 pairs of main body covers 2 terminates.

Now, rear side (drum side, the incorporating section 53) end of extension 79, compared to be located at paper S throughput direction upstream side be configured in transfer roll 21 side for carrying the roller of paper S (pick-up roller 11 and paper feed roller 12), extension 79 is formed as, along with the conveyance direction downstream side towards paper S close to transfer passage.

In addition, transfer roll support 56 is configured in the conveyance direction downstream side of the paper S of extension 79.

5. action effect

(1) this handle box 15 is adopted, as shown in Figure 2, because drum handle part 87 is to be projected into the state of the top of the above-below direction (relative direction) of installed Delevoping cartridge 19, be located on the antetheca 72 of bulging box 18, therefore, can easily operate drum handle part 87.

In addition, because extension 79 is to extend to the state at the rear (drum side, incorporating section 53) of installed Delevoping cartridge 19, be located on the installation portion diapire 71 of bulging box 18, therefore, toner (the installation portion diapire 71 side) leakage being from below accommodated in Delevoping cartridge 19 can be suppressed.

Therefore, the bulging handle part 87 having user and easily carry out holding, can suppress toner to leak from the below (installation portion diapire 71 side of drum box 18) of handle box 15 simultaneously.

(2) in addition, adopt this handle box 15, as shown in Figure 2, because extension 79 is to photosensitive drums 20 lateral bend, therefore, the toner being accommodated in Delevoping cartridge 19 can be suppressed to leak from the rear (side, bulging incorporating section 53 of drum box 18) of handle box 15.

(3) in addition, adopt this handle box 15, as shown in Figure 2, because teat 80 is formed as turning back from the rearward end (end of drum side, incorporating section 53) of extension 79 to developer roll 34 side, therefore, the toner being accommodated in Delevoping cartridge 19 can be reliably suppressed to leak from handle box 15.

In addition, because bellying 81 is formed as bloating from the continuous part of counterpart 78 and extension 79 to front upper side, therefore, the toner being accommodated in Delevoping cartridge 19 can be suppressed more reliably to leak from handle box 15.

(4) in addition, adopt this handle box 15, as shown in Figure 2, utilize the extension 79 and transfer roll support 56 that toner can be suppressed to leak, and the paper supply peristome 84 for being directed to by paper S between transfer roll 21 and photosensitive drums 20 can be formed.

Therefore, be a kind of simple structure, and compared with forming the situation of paper supply peristome 84 with use miscellaneous part, can parts count be reduced, the miniaturization of handle box 15 can be realized.

(5) in addition, adopt this handle box 15, as shown in Figure 6, Delevoping cartridge 19 can be made to rotate relative to box installation portion 54 and load and unload relative to it.

Therefore, even if the antetheca 72 being provided with bulging handle part 87 on drum box 18 is formed upward highlightedly, Delevoping cartridge 19 also can be made to load and unload.

In this case, to arrange the parts suppressing toner to leak on Delevoping cartridge 19, then can produce Delevoping cartridge 19 and to maximize such unfavorable condition.

But, cover the extension 79 of Delevoping cartridge 19 from below owing to being provided with on drum box 18, therefore, it is possible to do not make handle box 15 maximize suppress toner to leak.

Its result, the bulging handle part 87 there is user easily carrying out holding, and reliably can suppress the leakage of toner.

(6) adopt this printer 1, as shown in Figure 1, printer 1 has handle box 15, its bulging handle part 87 having user and easily carry out holding, and can suppress the leakage of the toner being accommodated in Delevoping cartridge 19.

Therefore, in printer 1, toner can be suppressed to spill from handle box 15, be attached to paper S.

(7) in addition, adopt this printer 1, as shown in Figure 1, because extension 79 is formed as along with the conveyance direction downstream side towards paper S close to transfer passage, therefore, the toner fallen because image forms action can be made from extension 79 to counterpart 78, namely to the direction flowing leaving transfer passage.

Therefore, toner can be suppressed to enter transfer passage, be attached on paper S.

(8) in addition, adopt this printer 1, as shown in Figure 1, when viewed from throughput direction upstream side, extension 79 is configured to the state covering Delevoping cartridge 19.

Therefore, the toner being accommodated in Delevoping cartridge 19 can be reliably suppressed to enter transfer passage, be attached on paper S.

(9) in addition, adopt this printer 1, as shown in Figure 1, extension 79 can be utilized and reliably paper S is directed to transfer roll support 56 side (conveyance direction downstream side).

Therefore, extension 79 can be utilized and paper S is directed to transfer roll support 56 side, and the toner being accommodated in Delevoping cartridge 19 can be suppressed to be attached on paper S.

6. other embodiment

Above-mentioned printer 1, be an embodiment of image processing system of the present utility model, the utility model is not limited to above-mentioned embodiment.

Image processing system of the present utility model, except above-mentioned black-and-white printer, also can be configured to color printer.

When image processing system is configured to color printer, also can be configured to the direct-type tandem type color printer with multiple photoreceptor and recording medium transfer unit, or be configured to the intermediate transfer formula tandem type color printer with multiple photoreceptor, middle transfer body and transfer member.

In addition, also can use the photoreceptor of such as sensitive tape etc., replace above-mentioned photosensitive drums 20.

In addition, also can use the developer carrier of the roller of such as development sleeve, strip-like developing pipe, brush etc., replace above-mentioned developer roll 34.

In addition, also can use the supply part of the roller such as supplying sleeve, supply band and brush etc., replace above-mentioned donor rollers 33.

In addition, also can use the transfer unit of such as spiral conveyer or conveying belt etc., replace above-mentioned stirrer 29.

In addition, also can use the contact-type transfer member of such as transfer belt, transfer printing brush, transfer sheet, film type transfer device etc., or use the non-contact type transfer member etc. of such as corona-type etc., replace above-mentioned transfer roll 21.

In addition, also can use the non-contact type charged device of such as corona charging device, jagged discharge component etc., or use the contact-type charged device etc. of charged roller etc., replace above-mentioned grid-control formula corona charging device 22.

In addition, also can use the exposure component of LED unit etc., replace above-mentioned scanning element 16.

In addition, above-mentioned extension 79, although be formed on the drum frame 52 of bulging box 18, also can be assembled into other parts, such as, also can in the rearward end of counterpart 78 parts of adhered film shape, make extension 79.

In addition, above-mentioned bulging handle part 87, although be formed on the drum frame 52 of bulging box 18, also can be assembled into other parts.

In addition, image processing system of the present utility model, also can possess image reading unit etc., be configured to all-in-one multifunctional machine.

Claims (9)

1. a handle box, has: Delevoping cartridge, and this Delevoping cartridge has developer receptacle portion and developer carrier; And photoreceptor cartridge, described Delevoping cartridge can load and unload relative to this photoreceptor cartridge, and the feature of this handle box is,

Described photoreceptor cartridge has:

Framework; And

Photoreceptor, this photoreceptor is located in described framework, and is configured to rotate around axis,

Described framework has:

Receive the photoreceptor incorporating section of described photoreceptor; And

Receive the box incorporating section of described Delevoping cartridge, this box incorporating section is adjacent with described photoreceptor incorporating section,

Described box incorporating section has the 1st wall and the 2nd wall, and the 1st wall and the 2nd wall form the space of receiving described Delevoping cartridge,

Described 1st wall has:

Counterpart, the direction that this counterpart is adjacent with described photoreceptor incorporating section to described box incorporating section extends, and relative with described Delevoping cartridge; And

The extension extended to described photoreceptor in order to recording medium is carried out leading to described photoreceptor,

Described 2nd wall has handle part, and from described counterpart on described adjacent direction with the end of opposition side, described photoreceptor incorporating section, on the direction intersected with described adjacent direction, more outstanding to described relative direction than described Delevoping cartridge,

Described extension more extends to side, described photoreceptor incorporating section than described Delevoping cartridge on described adjacent direction.

2. handle box as claimed in claim 1, is characterized in that, described extension extends in the mode from the end of the side, described photoreceptor incorporating section of described counterpart on described adjacent direction to described photoreceptor lateral bend.

3. handle box as claimed in claim 2, it is characterized in that, described extension has teat, and this teat is continuous from the end of the side, described photoreceptor incorporating section in the described adjacent direction of described extension, and outstanding to described developer carrier.

4. handle box as claimed in claim 2, it is characterized in that, described framework has the transfer member support supported transfer member, described transfer member for the developer picture be carried on described photoreceptor is transferred in described recording medium,

The end of the side, described photoreceptor incorporating section in the described adjacent direction of described transfer member support and described extension forms opening, and this opening is used for described recording medium to be directed between described transfer member and described photoreceptor.

5. handle box as claimed in claim 1, it is characterized in that, described Delevoping cartridge is configured to, and rotates relative to described box incorporating section, while loaded and unloaded relative to described box incorporating section,

Described box incorporating section has the 3rd wall, and the described Delevoping cartridge of the 3rd wall with installed outside described axis direction is relative,

Described 3rd wall has the guide part for leading to the rotation of described Delevoping cartridge,

The end of described Delevoping cartridge axis direction of developer carrier described in it, have led by described guide part be directed to portion,

Described guide part has fastener, when installing described Delevoping cartridge, described fastener is engaged on described relative direction with the described portion of being directed to.

6. an image processing system, is characterized in that, has the handle box according to any one of claim 1 to claim 5.

7. image processing system as claimed in claim 6, being the image processing system of the transport path had for carrying described recording medium, it is characterized in that,

Described transport path extends along basic vertical direction, to make described recording medium by between described photoreceptor and described transfer member,

Described extension is formed as, along with the conveyance direction downstream side towards described recording medium close to described transport path.

8. image processing system as claimed in claim 6, it is characterized in that, the end of the side, described photoreceptor incorporating section in the described adjacent direction of described extension, be configured in the described transfer member side of roller, described roller is used for carrying the described recording medium of the throughput direction upstream side being located at described recording medium.

9. image processing system as claimed in claim 6, it is characterized in that, described transfer member support is formed in the conveyance direction downstream side of the described recording medium of described extension.