CN208654548U - Image forming apparatus - Google Patents
Image forming apparatus Download PDFInfo
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- CN208654548U CN208654548U CN201820799460.9U CN201820799460U CN208654548U CN 208654548 U CN208654548 U CN 208654548U CN 201820799460 U CN201820799460 U CN 201820799460U CN 208654548 U CN208654548 U CN 208654548U
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- delevoping cartridge
- shell
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- protrusion
- drum
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Abstract
The utility model provides a kind of image forming apparatus, comprising: Delevoping cartridge, including developer roll and shell, developer roll can be about the first axle rotation extended in the axial direction, shell can accommodate developer, and shell includes protrusion, and protrusion is axially protruded from the side surface of the side in the axial direction of shell；Drum box, Delevoping cartridge can be installed, including photoconductor drum and pressure unit, photoconductor drum can press to shell towards photoconductor drum about the second axis rotation extended in the axial direction, pressure unit, and Delevoping cartridge can be maintained at first position and the second position by drum box, when being located at first position, pressure unit does not press to shell towards photoconductor drum, and when in the second position, pressure unit presses to shell towards photoconductor drum；And ontology shell, including guiding elements, when drum box is installed to ontology shell in the state that Delevoping cartridge is maintained at first position by drum box, guiding elements is contacted with protrusion, keeps Delevoping cartridge mobile from first position to the second position.
Description
Technical field
The utility model relates to a kind of image forming apparatus comprising be mountable to ontology shell and unload from ontology shell
Under handle box.
Background technique
In the past, it is known that a kind of handle box comprising drum box and Delevoping cartridge.Delevoping cartridge is mountable to rouse box and unload from drum box
Under.
Utility model content
It, may but when handle box is inserted into ontology shell in the state that Delevoping cartridge is not firmly mounted to rouse box
Image cannot be formed well.
To solve the above-mentioned problems, the utility model provides a kind of image forming apparatus, comprising: Delevoping cartridge, including development
Roller and shell, the developer roll can accommodate developer, institute about the first axle rotation extended in the axial direction, the shell
Stating shell includes protrusion, and the side surface of the protrusion from the side in the axial direction of the shell is prominent along the axial direction
Out；Drum box, can install the Delevoping cartridge, including photoconductor drum and pressure unit, the photoconductor drum can be about in the axis
The the second axis rotation upwardly extended, the pressure unit press to the shell towards the photoconductor drum, and the bulging box can incite somebody to action
The Delevoping cartridge is maintained at first position and the second position, and when at said first position, the pressure unit is not to the shell
Body presses towards the photoconductor drum, and when at said second position, the pressure unit is to the shell towards described photosensitive
Body drum pressure；And ontology shell, including guiding elements, when the Delevoping cartridge is maintained at the first position in the bulging box
In the state of when the bulging box is installed to the ontology shell, the guiding elements is contacted with the protrusion, makes the development
Box is mobile from the first position to the second position.
The image forming apparatus of the utility model, the bulging box include the locking mechanism for locking the Delevoping cartridge, when
The bulging box keeps the Delevoping cartridge at the first position, and the Delevoping cartridge is not locked in described by the locking mechanism
Drum box, when the bulging box keeps the Delevoping cartridge in the second position, the locking mechanism locks the Delevoping cartridge
In the bulging box.
The image forming apparatus of the utility model, the Delevoping cartridge include attachment, and the attachment is used for for receiving
Make the driving force of the developer roll rotation, the ontology shell includes the driving for inputting the driving force to the attachment
Source, by the turning moment generated because the attachment receives the driving force, the Delevoping cartridge is from the second position
It is moved to the third place than the second position closer to the bulging box.
The image forming apparatus of the utility model, the attachment configuration is in the side of the shell.
The image forming apparatus of the utility model, the Delevoping cartridge includes the framework to be pressed by the pressure unit, described to apply
Splenium includes towards photoconductor drum protrusion outstanding, when the Delevoping cartridge is moved from the first position to the second position
When dynamic, after the head end that the framework crosses the protrusion, the Delevoping cartridge is located at the second position.
The image forming apparatus of the utility model, the bulging box include the biasing member for exerting a force to the pressure unit,
The protrusion has inclined surface, and the inclined surface is tilted relative to the force direction of the biasing member, for the framework
It is guided from the second position to the third place.
The image forming apparatus of the utility model, the pressure unit have pressure surface, and the pressure surface is used for when described aobvious
Shadow box presses to the framework when being located at the third place, and the pressure surface is intersected with the force direction.
Detailed description of the invention
Fig. 1 is cross-sectional view, shows the Sketch of the laser printer of embodiment according to the present utility model.
Fig. 2 is the side view from handle box in terms of axial side.
Fig. 3 A is side view, and Fig. 3 B is cross-sectional view, both shows the state that Delevoping cartridge is maintained at first position.
Fig. 4 A is side view, and Fig. 4 B is cross-sectional view, both shows the state that Delevoping cartridge is maintained at the second position.
Fig. 5 A is side view, and Fig. 5 B is cross-sectional view, both shows the state that Delevoping cartridge is maintained at the third place.
Fig. 6 is the perspective view for showing pressure unit.
Fig. 7 is the figure for showing the relationship between development guide portion and drum guide portion and handle box.
Fig. 8 is the side view from handle box in terms of the axial other side.
Fig. 9 A is the figure of the bar and sensor when showing non-installation process box, and Fig. 9 B is to show to be maintained at the aobvious of the third place
The figure for the state that the pressure protrusion of shadow box presses to bar, Fig. 9 C are the pressure protrusions pair for showing the Delevoping cartridge for being maintained at the second position
The figure of the state of bar pressure.
Figure 10 is the figure for showing the state of protrusion and development guidance face contact when installation process box.
Figure 11 is the shape for showing guide surface of developing when installation process box and Delevoping cartridge being pressed onto the second position from first position
The figure of state.
Figure 12 is the perspective view for showing Delevoping cartridge.
Specific embodiment
Suitably refer to attached drawing below the embodiments of the present invention is described in detail.Firstly, illustrating conduct referring to Fig.1
The Sketch of the laser printer 1 of one example of the image forming apparatus of present embodiment.In Fig. 1, for the sake of simplicity, place
Reason box 10 is simplified.
As shown in Figure 1, laser printer 1 includes ontology shell 2, feeding portion 3 and image forming part 4.
Ontology shell 2 is formed by resin.Ontology shell 2 includes front cover 2A, opening 2B, driving source 21, discharge tray 22 and row
Paper bowl 23.Front cover 2A opens and closes opening 2B.Driving source 21 inputs driving force (referring to Fig. 2) to aftermentioned attachment 72.
Feeding portion 3 includes sheet feed stacker 31, pressboard 32 and paper delivering mechanism 33.Pressboard 32 is to the paper in sheet feed stacker 31
S is opened to press towards paper delivering mechanism 33.Paper S is transported to image forming part 4 by paper delivering mechanism 33.
Image forming part 4 includes exposure device 5, handle box 10 and fixing device 8.
Exposure device 5 includes laser emission section not shown, polygon prism, lens, reflecting mirror etc..Exposure device 5 is by laser
Beam is irradiated on the surface of aftermentioned photoconductor drum 61.
Handle box 10 can be installed to ontology shell 2 by the 2B that is open and unload from ontology shell 2.Handle box 10 includes drum
Box 6 and Delevoping cartridge 7.
Drum box 6 can install Delevoping cartridge 7.Drum box 6 includes photoconductor drum 61, charged device 62 and transfer roll 63.Photoconductor drum
61 can be about the second axis X2 rotation extended in the axial direction.Charged device 62 faces photoconductor drum 61.Transfer roll 63 is in face of photosensitive
Body drum 61.
Delevoping cartridge 7 includes developer roll 18, supply roller 19, thickness margining tablet 14, developer containing part 15, blender 16 and shell
Body 71.Developer roll 18 can be about the first axle X1 rotation extended in the axial direction.Shell 71 is formed by resin.Shell 71 can hold
Receive developer.
Charged device 62 charges the surface of photoconductor drum 61.Exposure device 5 forms electrostatic latent image on photoconductor drum 61.It is aobvious
Shadow roller 18 is by the electrostatic latent image on developer replenishing to photoconductor drum 61.Developer shape on the surface of photoconductor drum 61 as a result,
At developer image.Transfer roll 63 is by the developer image on photoconductor drum 61 to paper S.
Fixing device 8 includes heating roller 81 and pressure roller 82.Paper S is pressed onto heating roller 81 by pressure roller 82.Heating roller 81
Developer image is thermally fixed in paper S.Paper S is discharged to discharge tray 22 by exit roller 23.
As shown in Fig. 2, the shell 71 of Delevoping cartridge 7 includes side surface 71A, protrusion 71B and framework 71C.Side surface 71A is located at
The side in the axial direction of shell 71.Protrusion 71B axially protrudes (referring to Fig.1 2) from side surface 71A.Protrusion 71B is in cylinder
Shape.Framework 71C is located at the other end for the one end opposite side being located at developer roll 18 of shell 71.
Delevoping cartridge 7 includes attachment 72.Attachment 72 receives the driving force for rotating developer roll 18.Attachment 72
In the side in the axial direction of shell 71.When attachment 72 receives driving force, turning moment is acted on Delevoping cartridge 7.Rotation
Torque is acted on along to framework 71C towards the direction that drum box 6 presses.
Drum box 6 includes locking mechanism 64.Locking mechanism 64 is used to Delevoping cartridge 7 being locked in bulging box 6.
Delevoping cartridge 7 can be maintained at first position, the second position shown in Fig. 4 and Fig. 5 institute shown in Fig. 3 by drum box 6
The third place shown.Compared with when being located at first position, when in the second position, bottom wall of the framework 71C closer to drum box 6
6A.Here, bottom wall 6A is the wall for supporting Delevoping cartridge 7.Bottom wall 6A is axially.Compared with when being located at the second position, when being located at the
When three positions, bottom wall 6A of the framework 71C closer to drum box 6.
As shown in Figure 3A, when Delevoping cartridge 7 is maintained at first position by drum box 6, locking mechanism 64 is not locked Delevoping cartridge 7
In drum box 6.As shown in Fig. 4 A or Fig. 5 A, when Delevoping cartridge 7 is maintained at the second position or the third place by drum box 6, locking mechanism
Delevoping cartridge 7 is locked in bulging box 6 by 64.
As shown in Figure 5 B, drum box 6 includes pressure unit 65 and biasing member 66.Biasing member 66 exerts a force to pressure unit 65.?
In present embodiment, biasing member 66 is compression helical spring.Biasing member 66 is formed by metal.
Pressure unit 65 is formed by resin.Pressure unit 65 presses to framework 71C towards photoconductor drum 61.Developer roll 18 as a result,
It is crushed on photoconductor drum 61 (referring to Fig.1).Specifically, developer roll 18 is by the rotation center pressure towards photoconductor drum 61.
Pressure unit 65 has pressure surface 65A and protrusion 65B (referring to Fig. 6).When Delevoping cartridge 7 is located at the third place, pressure
Face 65A presses to framework 71C towards photoconductor drum 61.Pressure surface 65A and the force direction of biasing member 66 are intersected.Preferably,
Pressure surface 65A is vertical with the force direction of biasing member 66.
Protrusion 65B is prominent from pressure surface 65A towards photoconductor drum 61.Protrusion 65B triangular shape.Protrusion 65B, which has, to incline
Inclined-plane 65C and head end 65D.Inclined surface 65C is tilted relative to the force direction of biasing member 66.Inclined surface 65C by framework 71C from
The second position is guided to the third place.
As shown in fig. 6, there are two protrusion 65B for the tool of pressure unit 65.Two protrusion 65B are in the axial direction across interval.
As shown in Figure 3B, when Delevoping cartridge 7 is located at first position, pressure unit 65 is not to framework 71C towards photoconductor drum 61
Pressure.Specifically, biasing member 66 has natural length when Delevoping cartridge 7 is located at first position.
As shown in Fig. 4 B or Fig. 5 B, when Delevoping cartridge 7 is located at the second position or the third place, pressure unit 65 is to framework 71C
It presses towards photoconductor drum 61.Specifically, biasing member 66 is than certainly when Delevoping cartridge 7 is located at the second position or the third place
Right length is short.In addition, when Delevoping cartridge 7 is located at the third place, compared with when Delevoping cartridge 7 is located at the second position, biasing member 66
It is shorter.
In addition, as shown in Figure 3B, when Delevoping cartridge 7 is located at first position, framework 71C is located at the head end 65D than protrusion 65B
The farther position bottom wall 6A of distance drum box 6.As shown in Fig. 4 B or Fig. 5 B, when Delevoping cartridge 7 is located at the second position or the third place
When, framework 71C is located at the head end 65D than protrusion 65B closer to the position for the bottom wall 6A for rousing box 6.
Specifically, as shown in Figure 4 B, when Delevoping cartridge 7 is located at the second position, the inclined surface of framework 71C and protrusion 65B
65C contact.As shown in Figure 5 B, when Delevoping cartridge 7 is located at the third place, framework 71C is contacted with pressure surface 65A.
As shown in fig. 7, ontology shell 2 includes the development guide portion of drum guide portion 90 and an example as guiding elements
100.Drum guide portion 90 includes the first drum drum of guide portion 91, second guide portion 92, third drum guide portion 93 and the 4th drum guide portion
94。
First drum guide portion 91 has positioning region 91A, the first guide surface G1 and the second guide surface G2.Photoconductor drum 61 has
Axis 61A.Positioning region 91A is for positioning axis 61A.Positioning region 91A is recess portion.Axis 61A is inserted into (reference in the 91A of positioning region
Figure 11).Axis 61A contacts positioning region 91A.
First guide surface G1 is towards positioning region 91A leading axle 61A.First guide surface G1 is connected to positioning region 91A.Second draws
Guide face G2 is towards positioning region 91A leading axle 61A.Second guide surface G2 faces the first guide surface G1.Second guide surface G2 is connected to
Positioning region 91A.
Second drum guide portion 92 has third guide surface G3.Third guide surface G3 is towards the second guide surface G2 leading axle 61A.
Third guide surface G3 faces the first guide surface G1.Third guide surface G3 leaves with the second guide surface G2.
Third drum guide portion 93 has the 4th guide surface G4.4th guide surface G4 is towards third guide surface G3 leading axle 61A.
4th guide surface G4 faces the first guide surface G1.4th guide surface G4 leaves with third guide surface G3.4th guide surface G4 is located at
Position more farther than third guide surface G3 the second guide surface of distance G2.
Drum box 6 has boss 6B.Boss 6B is located at position more farther than 18 distance axis 61A of developer roll.Boss 6B is in cylinder
Shape.
4th drum guide portion 94 has the 5th guide surface G5.5th guide surface G5 guide boss 6B.Specifically, as axis 61A
When into positioning region 91A, the 5th guide surface G5 support rim 6B (referring to Fig.1 1).
Guide portion 100 of developing has development guide surface GD.In the state that Delevoping cartridge 7 is maintained at first position by drum box 6,
When that will rouse box 6 and be installed to ontology shell 2, development guide surface GD is contacted with protrusion 71B, makes Delevoping cartridge 7 from first position to the
Two positions are mobile (0, Figure 11 referring to Fig.1).The guide surface GD that develops is tilted relative to the installation direction of handle box 10.Development guide surface
GD has one end GD1 and than one end GD1 closer to the other end GD2 of positioning region 91A.Vertical with the installation direction of handle box 10
Direction on, from one end GD1 to the first distance L1 of the first guiding face G1 than second from other end GD2 to the first guiding face G1
Distance L2 is big.In other words, from development guide surface GD to the direction of the first guide surface G1 on, first distance L1 be greater than second away from
From L2.
As shown in figure 8, Delevoping cartridge 7 includes pressure protrusion 73.Pressure protrusion 73 is located in the axial direction another of Delevoping cartridge 7
Side.
As shown in Figure 9 A, ontology shell 2 includes bar 24 and sensor 25.Bar 24 can be rotated relative to ontology shell 2.It passes
Sensor 25 is used for detection bar 24.For example, sensor 25 emits light.Bar 24 can blocking light first state and pass light through
Switch between second state.In the state that handle box 10 is not installed at ontology shell 2, bar 24 is in the second state.
As shown in Figure 9 B, in the state that Delevoping cartridge 7 is maintained at the third place by drum box 6, when drum box 6 is mounted on body casing
When body 2, pressure protrusion 73 presses to bar 24.The rotation of bar 24 as a result, becomes first state.
As shown in Figure 9 C, in the state that Delevoping cartridge 7 is maintained at the second position by drum box 6, when drum box 6 is mounted on body casing
When body 2, pressure protrusion 73 presses to bar 24.In this case, bar 24, which also rotates, becomes first state.
The operation and effect of each section of laser printer 1 will be illustrated next.
As shown in fig. 7, when the drum box 6 that Delevoping cartridge 7 is maintained at first position is installed to ontology shell 2 by user, axis
61A is moved along the first guiding face G1.As shown in Figure 10, when axis 61A be moved to the second guide surface G2 and the first guiding face G1 it
Between when, protrusion 71B with development guide surface GD contact.
Later, user further presses to drum box 6 towards positioning region 91A.The developed guide surface GD of protrusion 71B as a result,
It presses towards drum box 6.Therefore, Delevoping cartridge 7 is mobile from first position to the second position.When Delevoping cartridge 7 from first in this way
When position is mobile to the second position, as shown in Fig. 3 B and Fig. 4 B, framework 71C crosses the head end 65D of protrusion 65B.
As shown in figure 11, when axis 61A enters in the 91A of positioning region, Delevoping cartridge 7 is located at the second position.In other words, scheming
After framework 71C shown in 3B etc. crosses the head end 65D of protrusion 65B, Delevoping cartridge 7 is located at the second position.At this point, the 5th guide surface
The boss 6B of G5 support drum box 6.
In this state, when being printed, driving force is input to positioned at the second position by driving source 21 shown in FIG. 1
Delevoping cartridge 7 attachment 72.The turning moment generated as a result, by the driving force that attachment 72 receives, Delevoping cartridge 7 from
The second position is mobile to the third place.At this point, the inclined surface 65C of protrusion 65B shown in Fig. 4 B by framework 71C from the second position to
The third place guidance.
Above-mentioned present embodiment can obtain following effect.
When the drum box 6 that Delevoping cartridge 7 is maintained to first position is installed to ontology shell 2, by development guide surface GD and
The effect of protrusion 71B can make Delevoping cartridge 7 mobile from first position to the second position.As a result, since pressure unit 65 is to framework
71C presses towards photoconductor drum 61, it is thus possible to form image well.
During Delevoping cartridge 7 is mobile to the second position from first position, framework 71C is more than the head end 65D of protrusion 65B, because
This, when because turning moment Delevoping cartridge 7 is from the second position to during the third place movement, framework 71C is without crossing protrusion 65B's
Head end 65D.Therefore, movement of the Delevoping cartridge 7 from the second position to the third place can smoothly be carried out.
When because turning moment Delevoping cartridge 7 is from the second position to during the third place movement, inclined surface 65C is to framework 71C
It is guided from the second position to the third place, therefore, can smoothly carry out Delevoping cartridge 7 from the second position to the third place
It is mobile.
It, therefore, can be effectively by the structure that exerts a force because the pressure surface 65A by intersecting with force direction presses to framework 71C
The power of part 66 is transmitted to Delevoping cartridge 7.Developer roll 18 can be pressed in photoconductor drum 61 with suitable pressure by pressure surface 65A as a result,.
The present invention is not limited to the above embodiments, can utilize according to various modes illustrated below.
In the above-described embodiment, the utility model is used for laser printer 1, still, the utility model is without being limited thereto,
The utility model can be used in other image forming apparatus such as duplicator, Multi Role Aircraft etc..
In the above-described embodiment, compression helical spring is instantiated as biasing member 66, still, the utility model is unlimited
In this.Biasing member can be such as leaf spring or wire spring.
Each element illustrated in above embodiment and variation can be implemented in any combination.
Claims (7)
1. a kind of image forming apparatus characterized by comprising
Delevoping cartridge, including developer roll and shell, the developer roll can be about the first axle rotation extended in the axial direction, the shells
Body can accommodate developer, and the shell includes protrusion, side of the protrusion from the side in the axial direction of the shell
Surface is along described axially projecting；
Drum box, can install the Delevoping cartridge, including photoconductor drum and pressure unit, the photoconductor drum can be about in the axis
The the second axis rotation upwardly extended, the pressure unit press to the shell towards the photoconductor drum, and the bulging box can incite somebody to action
The Delevoping cartridge is maintained at first position and the second position, and when at said first position, the pressure unit is not to the shell
Body presses towards the photoconductor drum, and when at said second position, the pressure unit is to the shell towards described photosensitive
Body drum pressure；And
Ontology shell, including guiding elements, when in the state that the Delevoping cartridge is maintained at the first position by the bulging box
When the bulging box is installed to the ontology shell, the guiding elements is contacted with the protrusion, makes the Delevoping cartridge from described
First position is mobile to the second position.
2. image forming apparatus according to claim 1, which is characterized in that the bulging box includes for locking the development
The locking mechanism of box,
When the bulging box keeps the Delevoping cartridge at the first position, the locking mechanism is not locked the Delevoping cartridge
In the bulging box,
When the bulging box keeps the Delevoping cartridge in the second position, the Delevoping cartridge is locked in by the locking mechanism
The bulging box.
3. image forming apparatus according to claim 1, which is characterized in that the Delevoping cartridge includes attachment, described
Knot is used to receive the driving force for making the developer roll rotation,
The ontology shell includes the driving source for inputting the driving force to the attachment,
By the turning moment generated because the attachment receives the driving force, the Delevoping cartridge is from the second position
It is moved to the third place than the second position closer to the bulging box.
4. image forming apparatus according to claim 3, which is characterized in that institute of the attachment configuration in the shell
State side.
5. image forming apparatus according to claim 3, which is characterized in that the Delevoping cartridge includes being applied by the pressure unit
The framework of pressure,
The pressure unit include towards photoconductor drum protrusion outstanding,
When the Delevoping cartridge is mobile to the second position from the first position, the head of the protrusion is crossed in the framework
After end, the Delevoping cartridge is located at the second position.
6. image forming apparatus according to claim 5, which is characterized in that the bulging box includes for the pressure unit
The biasing member of force,
The protrusion has inclined surface, and the inclined surface is tilted relative to the force direction of the biasing member, for described
Framework is guided from the second position to the third place.
7. image forming apparatus according to claim 6, which is characterized in that the pressure unit has pressure surface, described to apply
Pressure surface is used to press to the framework when the Delevoping cartridge is located at the third place,
The pressure surface is intersected with the force direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017106184A JP2018200450A (en) | 2017-05-30 | 2017-05-30 | Image forming apparatus |
| JP2017-106184 | 2017-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208654548U true CN208654548U (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820799460.9U Active CN208654548U (en) | 2017-05-30 | 2018-05-28 | Image forming apparatus |
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| JP (1) | JP2018200450A (en) |
| CN (1) | CN208654548U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7071309B2 (en) | 2019-04-26 | 2022-05-18 | キヤノン株式会社 | Cartridge and image forming equipment |
| JP2023093882A (en) | 2021-12-23 | 2023-07-05 | ブラザー工業株式会社 | Image forming apparatus |
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2017
- 2017-05-30 JP JP2017106184A patent/JP2018200450A/en active Pending
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- 2018-05-28 CN CN201820799460.9U patent/CN208654548U/en active Active
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| JP2018200450A (en) | 2018-12-20 |
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