CN201207130Y - Developing box - Google Patents
Developing box Download PDFInfo
- Publication number
- CN201207130Y CN201207130Y CNU2008200035000U CN200820003500U CN201207130Y CN 201207130 Y CN201207130 Y CN 201207130Y CN U2008200035000 U CNU2008200035000 U CN U2008200035000U CN 200820003500 U CN200820003500 U CN 200820003500U CN 201207130 Y CN201207130 Y CN 201207130Y
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- mentioned
- rotary body
- delevoping cartridge
- gear
- developer roll
- Prior art date
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- Expired - Lifetime
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Abstract
The utility model aims to provide an improved developing box which is capable of detecting new products in an image formation device. The developing box(28) comprises a frame body (including a box main body60 and a cover body70), a developing roller(31), a detecting rotator(90), and a drive mechanism(gear mechanism 61). Developer is housed inside the frame body. The developing roller is supported by the frame body and can rotate. The detecting rotator(90) is supported by the frame body and can rotate and is provided with a protruding part(93) which protrudes outwards from the outer surface of the frame body. The drive mechanism is provided with an input gear(62)which inputs driving force from the outside and transmits the driving force to at least the developing roller(31)and the detecting rotator(90). The rotating shaft of the detecting rotator(90) is in orthogonal intersection with the rotating shaft of the input gear(62).
Description
Technical field
The utility model relates to a kind of Delevoping cartridge that new product detects that carries out in image processing system.
Background technology
Usually, in image processing systems such as laser printer, the Delevoping cartridge that contains toner is installed releasably with respect to this apparatus main body.As this image processing system, whether the known in the past Delevoping cartridge that has judgement to install is the device (with reference to patent documentation 1) of new product (new product detection).
Particularly, disclosed image processing system has the topworks of the arm shape that freely swings, sensor that topworks's application of force is detected with the spring that is located at the neutral position, to the swing of topworks, and carries out the control device that new product detects according to the signal from sensor in the patent documentation 1 on apparatus main body.In addition, on the Delevoping cartridge that is installed on the image processing system, be provided with: tabular butt projection, extend to radial outside from predetermined axial region; Detection of gear is center and the rotation of butt projection one with above-mentioned axial region; And gear mechanism, with this detection of gear engagement, and to the developer roll transmission of drive force.In addition, the rotating shaft parallel of the turning axle of detection of gear and developer roll.
This image processing system in, if Delevoping cartridge is installed to apparatus main body, then an end of butt projection pushing topworks makes the forwarder swing, and by sensor to this swing.Signal by this sensor is sent to control device, and when control device received this detection signal, the judgement Delevoping cartridge was a new product.
In addition, in this image processing system,, then carry out preheating action (idle running action) by control device if for example close protecgulum after Delevoping cartridge is installed.At this, the idle running action is meant, makes the action of agitating plate (stirrer) rotation in the box in order to stir the toner in the Delevoping cartridge.
And in this idle running action, the power from the drive source transmission that is arranged on the apparatus main body is delivered to via gear mechanism on the stirrer and detection of gear of Delevoping cartridge.Thus, the toner that begins to carry out stirrer stirs, and butt projection rotation and breaking away from from topworks.And, move from initial position like this by the butt projection, thereby the Delevoping cartridge after will using is pulled down and under the situation of installing once more from apparatus main body, since the butt projection not with topworks's butt, therefore the control device that does not receive signal from the sensor of topworks is judged as Delevoping cartridge and used.
Patent documentation 1: the Jap.P. spy opens the 2006-267994 communique
Yet, need carry out various improvement to this Delevoping cartridge that carries out the new product detection.
The utility model content
Therefore, the purpose of this utility model is to provide a kind of improvement utility model of Delevoping cartridge.
Solve of the present utility model a kind of Delevoping cartridge of above-mentioned problem, comprising: framework, accommodate developer in inside; Developer roll is supported also and can be rotated by above-mentioned framework; Detect rotary body, support also and can rotate, and have from the outstanding laterally teat of the outside surface of above-mentioned framework by above-mentioned framework; And driving mechanism, have from the input gear of outside input driving force, at least to above-mentioned developer roll and above-mentioned detection rotary body transmission of drive force, above-mentioned Delevoping cartridge is characterised in that, the rotating shaft direct cross of the turning axle of above-mentioned detection rotary body and above-mentioned input gear from this input gear.
According to the utility model, be configured to detect the rotating shaft direct cross of the turning axle of rotary body with detecting rotary body with respect to the input gear, therefore can improve the degree of freedom of configuration miscellaneous part.
Description of drawings
Fig. 1 is the sectional view of the laser printer that relates to of an expression embodiment of the present utility model.
Fig. 2 is the side view (b) of the lid of the side view (a) of state of the expression box main body of observing Delevoping cartridge from the left side and expression Delevoping cartridge.
Fig. 3 is the skeleton view that expression detects rotary body and joint rotary body.
Fig. 4 is the cut-open view of the state expression is pulled down Delevoping cartridge from main body case after.
Fig. 5 is the skeleton view of each component parts of expression new product pick-up unit.
Fig. 6 is the key diagram that explanation detects the action of rotary body, the key diagram (b) of the state after to be the detection rotary body of expression when being installed to Delevoping cartridge on the main body case with the key diagram (a) of the relation of detection arm and expression idle running move.
Fig. 7 is the key diagram of the action of the detection rotary body of explanation detection arm when being offset forward, the key diagram (b) of the state after to be the detection rotary body of expression when being installed to Delevoping cartridge on the main body case with the key diagram (a) of the relation of detection arm and expression idle running move.
Embodiment
Next, with reference to suitable accompanying drawing an embodiment of the present utility model is elaborated.In addition, in the following description, at first after the one-piece construction of simple declaration laser printer, characteristic of the present utility model is elaborated.In addition, in the following description, describe as the direction of benchmark with the user that uses laser printer 1.That is, in Fig. 1, the right side is called " front side ", the left side is called " inboard ", inboard in the paper vertical direction is called " right side ", front side in the paper vertical direction is called " left side ".In addition, for vertical direction, the vertical direction of figure still is called " vertical direction ".
(one-piece construction of laser printer)
As shown in Figure 1, laser printer 1 has the sheet feed section 4 that is used for supplying with paper 3 in main body case 2, the image forming part 5 that is used for formation image on paper 3 etc.
(structure of sheet feed section 4)
Sheet feed section 4 is known structure, mainly has sheet feed stacker 6, paper pressing plate 7, reaches paper delivery mechanism 9.And in sheet feed section 4, the paper 3 in the sheet feed stacker 6 is close upward by paper pressing plate 7, is transmitted to image forming part 5 by paper delivery mechanism 9.
(structure of image forming part)
The protecgulum 2A of the front side of suitable opening main part case 2, thus handle box 17 can on main body case 2, be loaded and unloaded.This handle box 17 mainly is made of Delevoping cartridge 28 and drum unit 51.
Delevoping cartridge 28 can be installed on the main body case 2 via drum unit 51 with freely loading and unloading, or can be installed on the drum unit 51 that is fixed on the main body case 2 with freely loading and unloading.Delevoping cartridge 28 mainly has developer roll 31, bed thickness limiting scraper 32, donor rollers 33, reaches toner dispenser 34.
In this Delevoping cartridge 28, after the toner as an example of developer in the toner dispenser 34 is stirred by stirrer 34A, to supply with to developer roll 31 by donor rollers 33, rubbed between donor rollers 33 and developer roll 31 and become positively charged this moment.Supply to the toner on the developer roll 31, be accompanied by rotating between bed thickness limiting scraper 32 and the developer roll 31 of developer roll 31,, and be carried on the developer roll 31 with the thin layer of constant thickness by further frictional electrification.In addition, later the details of Delevoping cartridge 28 is elaborated.
Next, be carried on the toner on the developer roll 31,, be fed on the lip-deep electrostatic latent image that is formed on photosensitive drums 27, on the surface of photosensitive drums 27, form toner image by the rotation of developer roll 31.After this, paper 3 is sent between photosensitive drums 27 and the transfer roll 30, thereby the lip-deep toner image that is carried on photosensitive drums 27 is transferred on the paper 3.
(detailed structure of Delevoping cartridge)
Next, the detailed structure as the Delevoping cartridge 28 of characteristic of the present utility model is described.
As Fig. 2 (a) and (b), Delevoping cartridge 28 also has box main body 60 and lid 70 as an example of framework except having above-mentioned developer roll 31 grades.Lid 70 releasably is installed in the left surface of box main body 60, between box main body 60 and lid 70, shown in Fig. 2 (a), be provided with as being used for and transmit and the detection rotary body 90 that comes from gear mechanism 61 to the gear mechanism 61 of an example of the driving mechanism of transmission of drive force such as developer roll 31 and driving force.
As shown in Figure 3, engage rotary body 67 and be section and be the parts of trapezoidal roughly circular cone shape, be supported for rotatable by the back shaft on the left surface that is formed on box main body 60 68.And, this joint rotary body 67 have with stirrer-driven gear 66 meshed gears portions 671 and with detect the composition surface 672 that rotary body 90 is frictionally engaged.
Detection rotary body 90 forms and engages rotary body 67 roughly the same shapes, rotatably is supported on the columned back shaft 73 of vertical direction extension.And the lower end of this back shaft 73 (end) supported by the sway brace 74 that extends to right from the inside of lid 70, and (other end) is formed with to the radial outside bulging of back shaft 73 and the fastener 75 of elastic deformation diametrically in the top.In addition, sway brace 74 also can respectively be provided with one at the two ends of back shaft 73, so that the two ends of back shaft 73 are supported.In addition, sway brace 74 also can form from box main body 60 outstanding.In addition, in other words, detecting rotary body 90 can be that the center rotates with the back shaft 73 with respect to the installation direction quadrature of the turning axle of input gear 62 (with reference to Fig. 2) and Delevoping cartridge 28.At this, " installation direction " also refers to the direction that (acutangulates ground) slightly and depart from from installation direction except referring to the direction parallel with installation direction.
In other words, installation direction is meant, the 60B of wall portion of the roller support portion 60A of the support developer roll 31 that forms on the end to the inboard of box main body shown in Figure 2 60 and the front side of box main body 60 arranges the orientation that forms.At this, the 60B of wall portion of the front side of box main body 60 is positioned at the opposition side of roller support portion 60A with respect to the resettlement section 60C (with reference to Fig. 1) that accommodates toner.
As shown in Figure 3, detect rotary body 90 and have composition surface 92 that is frictionally engaged with the composition surface 672 that engages rotary body 67 and the teat of giving prominence to radial outside from outer peripheral face cylindraceous 93.
And, being frictionally engaged by the composition surface 92 of detecting rotary body 90 and the composition surface 672 that engages rotary body 67, driving force can be delivered to from joint rotary body 67 and detect rotary body 90 when idle running described later is moved.In addition, detect the composition surface 92 of rotary body 90 and the composition surface 672 of joint rotary body 67, engage with the frictional engagement force that can slide over each other when being subjected to the power more than the predetermined value at the parts (detection arm 122) of teat 93 in aftermentioned main body case 2.In addition, in the present embodiment, detect rotary body 90 and is formed by the rubber as an elastomeric example, joint rotary body 67 is formed by resins such as polystyrene, thereby obtains aforesaid frictional engagement force.In addition, if can obtain suitable frictional engagement force, then engage rotary body and also can form by metal or pottery.
In addition, as shown in Figure 4, in main body case 2, be provided with known drive unit 110 and new product pick-up unit 120.Below, above-mentioned parts are carried out simple declaration.
The part that Delevoping cartridge 28 is installed in main body case 2 is provided with to the drive unit 110 of input gear 62 transmission of drive force of Delevoping cartridge 28 and detects the whether new product pick-up unit 120 of new product of Delevoping cartridge 28.In addition, in the present embodiment, the Delevoping cartridge of new product (not using) is meant that Shang Weixiang input gear 62 applies driving force, the not driven Delevoping cartridge of developer roll 31.In addition, the Delevoping cartridge of old product (using) is meant, applies the Delevoping cartridge that the power of overdriving, developer roll 31 were driven to input gear 62.
As shown in Figure 5, new product pick-up unit 120 mainly has optical sensor 121, detection arm 122 and coil spring 123, reaches control device 124.
Next, the action of the detection rotary body 90 when being installed to Delevoping cartridge 28 on the main body case 2 describes.
As shown in Figure 4, when being installed to the Delevoping cartridge 28 of new product in the main body case 2, shown in Fig. 6 (a), the teat 93 of detection rotary body 90 pushes the bottom (the leading section 122E of abutment arms 122C) of detection arm 122 inwards, thereby the bottom of detection arm 122 and teat 93 (Delevoping cartridge 28) move inward jointly.
At this moment, along with detection arm 122 swings, coil spring 123 (with reference to Fig. 5) stretches gradually, is therefore increased gradually by 122 pairs of teat 93 applied pressures of detection arm (towards reverse reciprocal power is installed).At this, the angle [alpha] shown in detection arm 122 swing Fig. 6 (a) when having finished the installation of Delevoping cartridge 28.And, under this state, under by 122 pairs of teat 93 applied pressures of detection arm, detect each composition surface 92,672 of rotary body 90 and joint rotary body 67 and can not slide, keep being frictionally engaged of each composition surface 92,672.In addition, slide during greater than the angle [alpha] shown in Fig. 6 (a) in the swing of detection arm 122 in each composition surface 92,672.
And,, then be judged as new product by above-mentioned control device 124 if detection arm 122 is swung like this.After this, if carry out known idle running action by control device 124, then as Fig. 6 (b) shown in, the driving force of drive unit 110 via input gear 62, neutral gear 65, and stirrer-driven gear 66 be delivered to joint rotary body 67.And, be delivered to the driving force that engages rotary body 67 and be delivered to via each composition surface 92,672 and detect rotary body 90, detect rotary body 90 from above be rotated counterclockwise under the situation of observing.Thus, teat 93 moves forward and leaves detection arm 122, thereby detection arm 122 is returned the neutral position by spring coil 123.
And if leave stirrer-driven gear 66 as the joint rotary body 67 of hypodontia gear, then teat 93 stops to move, and teat 93 rests on this position.Thus, do not return original position owing to detect the teat 93 of rotary body 90, even install once more after the Delevoping cartridge 28 after therefore will using is pulled down once from main body case 2, teat 93 can not contact with detection arm 122 yet, detection arm 122 can not swung, thereby is judged as old product (using) by control device 124.
Next, to since the action of error or specification and the detection arm 122 detection rotary body 90 when being offset forward than above-mentioned position describe.
Shown in Fig. 7 (a), when being installed to the Delevoping cartridge 28 of new product in the main body case 2, in the installation way of Delevoping cartridge 28, detect the teat 93 of rotary body 90 and the lower bond of detection arm 122.After this, if further Delevoping cartridge 28 is pushed inwards, then the swing of detection arm 122 is more than angle [alpha], thereby increase to teat 93 applied pressures by detection arm 122, slide in each composition surface 92,672 of detecting rotary body 90 and engaging rotary body 67, detect rotary body 90 from above be rotated counterclockwise when observing.Thus, teat 93 is moving owing to detection arm 122 stops of direction inwards, and with respect to the Delevoping cartridge 28 that moves inwards, teat 93 moves forward relatively.Therefore, can suppress to swing the damage of the excessive detection arm that causes 122 owing to detection arm 122.
After Delevoping cartridge 28 is installed, similarly move by idle running with above-mentioned situation, shown in Fig. 7 (b), teat 93 moves forward, and detection arm 122 is returned the neutral position.
Can obtain following effect like this, in the present embodiment.
Detect rotary body 90 and be configured to the rotating shaft direct cross of its turning axle, therefore can improve the degree of freedom of configuration miscellaneous part with respect to input gear 62.In addition, detect rotary body 90 and engage rotary body 67 and can slide, though therefore in detection arm 122 because error or specification and when disposing to such an extent that depart from, also can make not swing of detection arm 122 on installation direction can be carried out the new product detection with damaging well.
Detecting rotary body 90 is the conical surface-shaped that tilts with respect to each turning axle with each composition surface 92,672 that engages rotary body 67, therefore can driving force be delivered to detection rotary body 90 well from engaging rotary body 67.
Detect rotary body 90 owing to utilize rubber to form, so each composition surface 92,672 of detecting rotary body 90 and engaging rotary body 67 is frictionally engaged under good state.
In addition, the utility model is not limited to the respective embodiments described above, as following example, can utilize in every way.
In the above-described embodiment, only form and detect rotary body 90, but the utility model and in being limited to this detects rotary body and engages in each composition surface of rotary body at least one and formed by elastic bodys such as rubber and get final product by rubber.For example, also can form by rubber, also can only form by rubber engaging rotary body with detecting rotary body and engaging rotary body.In addition, also can be only the composition surface of detecting rotary body and engage in the rotary body be formed by rubber, other parts are formed by resin etc.And then, can not rubber also, but felt etc. is adopted as elastic body.
The quantity of each gear in the above-mentioned embodiment and design can suitably be changed.For example, in the above-described embodiment, make joint rotary body 67 directly be engaged to stirrer-driven gear 66, but also more than one gear can be set between them and engagement indirectly.In addition, also can directly or via more than one gear be connected to neutral gear 65 indirectly with engaging rotary body 67.
In the above-described embodiment, engaging rotary body 67 is the hypodontia gear, but the utility model is not limited to this, is provided with under the situation of gear between joint rotary body 67 and stirrer-driven gear 66, also can be with this gear as the hypodontia gear.In addition, on one the part on each composition surface 92,672 of detecting rotary body 90 and joint rotary body 67, form the recess that does not contact, also can make detection rotary body 90 only rotate scheduled volume with another composition surface.
Claims (6)
1. Delevoping cartridge comprises:
Framework is accommodated developer in inside;
Developer roll is supported also and can be rotated by above-mentioned framework;
Detect rotary body, support also and can rotate, and have from the outstanding laterally teat of the outside surface of above-mentioned framework by above-mentioned framework; And
Driving mechanism has from the input gear of outside input driving force, imports gear at least to above-mentioned developer roll and above-mentioned detection rotary body transmission of drive force from this,
Above-mentioned Delevoping cartridge is characterised in that,
The rotating shaft direct cross of the turning axle of above-mentioned detection rotary body and above-mentioned input gear.
2. Delevoping cartridge according to claim 1 is characterized in that,
Above-mentioned driving mechanism has with above-mentioned detection rotary body is frictionally engaged and engages rotary body,
Can be from above-mentioned joint rotary body to above-mentioned detection rotary body transmission of drive force, and above-mentioned detection rotary body can slide with respect to above-mentioned joint rotary body.
3. Delevoping cartridge according to claim 2 is characterized in that,
Each composition surface of above-mentioned detection rotary body and above-mentioned joint rotary body is a conical surface-shaped.
4. according to claim 2 or 3 described Delevoping cartridges, it is characterized in that,
At least one is made of elastic body in each composition surface of above-mentioned detection rotary body and above-mentioned joint rotary body.
5. Delevoping cartridge according to claim 4 is characterized in that,
Above-mentioned driving mechanism has:
The developer roll driven wheel, be set to above-mentioned developer roll coaxial and can one rotation, with above-mentioned input gearing mesh; With
The stirrer-driven gear, via neutral gear and above-mentioned input gearing mesh,
Above-mentioned joint rotary body is via above-mentioned neutral gear or above-mentioned stirrer-driven gear and be applied in driving force.
6. according to each described Delevoping cartridge in the claim 1 to 3, it is characterized in that,
Above-mentioned framework has: back shaft, and with the rotating shaft direct cross of above-mentioned input gear, and it is rotatable to support above-mentioned detection rotary body; With
Sway brace supports an end of above-mentioned back shaft.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008020537A JP2009180984A (en) | 2008-01-31 | 2008-01-31 | Developing cartridge |
| JP2008020537 | 2008-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201207130Y true CN201207130Y (en) | 2009-03-11 |
Family
ID=40466191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200035000U Expired - Lifetime CN201207130Y (en) | 2008-01-31 | 2008-03-07 | Developing box |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2009180984A (en) |
| CN (1) | CN201207130Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102968030A (en) * | 2011-08-31 | 2013-03-13 | 兄弟工业株式会社 | Image forming apparatus capable of judging whether cartridge is newly mounted |
| US8995866B2 (en) | 2011-08-31 | 2015-03-31 | Brother Kogyo Kabushiki Kaisha | Cartridge having coupling member and detection body |
| US9008522B2 (en) | 2011-08-31 | 2015-04-14 | Brother Kogyo Kabushiki Kaisha | Developing cartridge having housing and developing roller |
| US9195207B2 (en) | 2011-08-31 | 2015-11-24 | Brother Kogyo Kabushiki Kaisha | Cartridge having detection body |
| US9207632B2 (en) | 2011-08-31 | 2015-12-08 | Brother Kogyo Kabushiki Kaisha | Developing cartridge provided with detection body |
| CN108983567A (en) * | 2017-06-01 | 2018-12-11 | 江西亿铂电子科技有限公司 | A kind of Delevoping cartridge |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4986952B2 (en) * | 2008-08-08 | 2012-07-25 | シャープ株式会社 | Exchange unit and image forming apparatus |
-
2008
- 2008-01-31 JP JP2008020537A patent/JP2009180984A/en active Pending
- 2008-03-07 CN CNU2008200035000U patent/CN201207130Y/en not_active Expired - Lifetime
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| CN102968030B (en) * | 2011-08-31 | 2015-03-25 | 兄弟工业株式会社 | Image forming apparatus capable of judging whether cartridge is newly mounted |
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| CN108983567A (en) * | 2017-06-01 | 2018-12-11 | 江西亿铂电子科技有限公司 | A kind of Delevoping cartridge |
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| Publication number | Publication date |
|---|---|
| JP2009180984A (en) | 2009-08-13 |
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