CN206363085U - A kind of powder box simple in construction - Google Patents
A kind of powder box simple in construction Download PDFInfo
- Publication number
- CN206363085U CN206363085U CN201621490767.8U CN201621490767U CN206363085U CN 206363085 U CN206363085 U CN 206363085U CN 201621490767 U CN201621490767 U CN 201621490767U CN 206363085 U CN206363085 U CN 206363085U
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- annulus wall
- positioning hole
- developer roll
- support member
- drive device
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Abstract
The utility model provides a kind of powder box simple in construction, powder box includes support member, support member is located at one end of developing frame, support member is provided with developer roll positioning hole, powder feeding roller positioning hole, first annulus wall and the second annulus wall, developer roll rotatably passes through developer roll positioning hole and is connected with drive device, powder feeding roller rotatably passes through powder feeding roller positioning hole and is connected with drive device, first annulus wall is located at the lower section of developer roll positioning hole and powder feeding roller positioning hole, second annulus wall and the first annulus wall are coaxially disposed and are located at the outside of the first annulus wall, first annulus wall and the second annulus wall extend towards the direction of drive device, second annulus wall has local openings, the drive gear of drive device is rotatably enclosed on the first annulus wall and in the cavity between the first annulus wall and the second annulus wall.The structure of powder box greatly simplified, reduces the cost of processing, improves the reliability of product.
Description
Technical field
The utility model is related to electrophotographic image forming field, specifically, is related to a kind of structure for laser printer
Simple powder box.
Background technology
Electrophotographic image forming utilize electrofax principle, through overcharge, exposure, development, transfer, be fixed waited
Journey, visual picture is formed on the media such as paper.In electrophotographic image forming, usually using the processing removably installed
Box carries out image procossing.Powder box is typically integrated with can form the photosensitive drums of electrostatic latent image thereon, to photosensitive drums supply toner with aobvious
The developer roll of electrostatic latent image in shadow photosensitive drums, the powder cabin for accommodating carbon powder for development, receiving are non-transfer except under from photosensitive drums
Waste powder hopper of useless powder on to medium etc..May be stained with after working long hours, in photosensitive drums be difficult except under useless powder and shadow
Ring image quality, it is therefore desirable to which photosensitive drums are cleaned.When cleaning photosensitive drums, carbon dust of the developer roll to photosensitive drums should be cut off
Supply, otherwise in photosensitive drums rotation process, developer roll does not constantly have cleaning action to photosensitive drums supply toner.However,
The stressed member of existing powder box is more, complicated, both adds processing cost, can also influence the reliability of product.
The content of the invention
Main purpose of the present utility model is to provide a kind of more simple powder box of structure.
In order to realize main purpose of the present utility model, the utility model provides a kind of powder box, and powder box is removably installed
To printer, powder box includes developer roll, powder feeding roller, developing frame and drive device, and drive device is used to receive printer
Rotary driving force, developer roll and powder feeding roller are located in developing frame respectively, wherein, powder box also includes support member, and support member is located at
One end of developing frame, support member is provided with developer roll positioning hole, powder feeding roller positioning hole, the first annulus wall and the second annulus wall, shows
Shadow roller rotatably passes through developer roll positioning hole and is connected with drive device, and powder feeding roller rotatably passes through powder feeding roller positioning hole simultaneously
It is connected with drive device, the first annulus wall is located at the lower section of developer roll positioning hole and powder feeding roller positioning hole, the second annulus wall and the
One annulus wall is coaxially disposed and is located at the outside of the first annulus wall, and the first annulus wall and the second annulus wall are towards the side of drive device
To extension, the second annulus wall has local openings, and the drive gear of drive device is rotatably enclosed on the first annulus wall and position
In cavity between the first annulus wall and the second annulus wall.
From above scheme, support member is located at one end of developing frame, and support member is provided with developer roll positioning hole, powder feeding roller
Positioning hole, the first annulus wall and the second annulus wall, developer roll rotatably pass through developer roll positioning hole and are connected with drive device,
Powder feeding roller rotatably passes through powder feeding roller positioning hole and is connected with drive device, and the first annulus wall is located at developer roll positioning hole and sent
The lower section of powder roller positioning hole, the second annulus wall and the first annulus wall are coaxially disposed and are located at the outside of the first annulus wall, the first circle
Ring wall and the second annulus wall extend towards the direction of drive device, and the second annulus wall has local openings, the driving of drive device
Gear is rotatably enclosed on the first annulus wall and in the cavity between the first annulus wall and the second annulus wall, is greatly simplified
The structure of powder box, reduce the cost of processing, improve the reliability of product.
Further scheme is that support member is additionally provided with the first positioning hole and the second positioning hole, the first positioning hole and second
Positioning hole is located at the both sides up and down of support member respectively, and the boss of the first positioning hole and the second positioning hole respectively with developing frame is matched somebody with somebody
Close.
Further scheme is that support member is additionally provided with the first locating dowel and the second locating dowel, the first locating dowel and second
Locating dowel is located at side of the support member towards the direction of developing frame respectively, the first locating dowel and the second locating dowel respectively with development
The pilot hole of framework coordinates.
From above scheme, support member is additionally provided with the first positioning hole, the second positioning hole, the first locating dowel and the second positioning
Post, it is simple in construction, while the stability and precision that coordinate between improving part.
Brief description of the drawings
Fig. 1 is the structure chart of the utility model powder box embodiment.
Fig. 2 is the first partial exploded view of the utility model powder box embodiment.
Fig. 3 is the first local structural graph of the utility model powder box embodiment.
Fig. 4 is the second partial exploded view of the utility model powder box embodiment.
Fig. 5 is the first viewing angle constructions figure of the support member in the utility model powder box embodiment.
Fig. 6 is the second viewing angle constructions figure of the support member in the utility model powder box embodiment.
Fig. 7 is the first local structural graph of the drive device in the utility model powder box embodiment.
Fig. 8 is the second local structural graph of the drive device in the utility model powder box embodiment.
Fig. 9 is the matching chart of locating part in the utility model powder box embodiment and guiding piece.
Figure 10 is the first viewing angle constructions figure for coupling control piece in the utility model powder box embodiment.
Figure 11 is the second viewing angle constructions figure for coupling control piece in the utility model powder box embodiment.
Figure 12 is the partial sectional view in the utility model powder box embodiment.
Figure 13 is the second local structural graph of the utility model powder box embodiment.
Figure 14 is the right view of the utility model powder box embodiment.
Figure 15 is the first viewing angle constructions figure of the end cap in the utility model powder box embodiment.
Figure 16 is the second viewing angle constructions figure of the end cap in the utility model powder box embodiment.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment
Referring to Fig. 1 and Fig. 2, the powder box 1 for laser printer that the present embodiment is provided is removably mounted on printer
On, powder box 1 includes photosensitive drums 2, drum frame 3, developer roll 5, powder feeding roller 6, developing frame 4, drive device 8 and drive end end cap
10.Electrostatic latent image can be formed in photosensitive drums 2, one end of photosensitive drums 2 is provided with the drive division 21 of driving photosensitive drums rotation, drum frame
3 are pivotably supported photosensitive drums 2.Developer roll 5 is used for the electrostatic latent image developed in photosensitive drums 2, and powder feeding roller 6 is used to supply carbon dust,
Developing frame 4, which is pivotably supported in developer roll 5 and powder feeding roller 6, and developing frame 4, accommodates the useful carbon dust in development.Driving
Device 8 is used for the rotary driving force for receiving printer, and drives developer roll 5 and powder feeding roller 6 to rotate simultaneously.With drive device 8
Same one end of position, powder box 1 also includes support member 7 and connection control piece 9.
Referring to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, support member 7 is justified provided with developer roll positioning hole 71, powder feeding roller positioning hole 72, first
The annulus wall 74 of ring wall 73 and second, developer roll 5 rotatably passes through developer roll positioning hole 71 and is connected with drive device 8, powder feeding
Roller 6 rotatably passes through powder feeding roller positioning hole 72 and is connected with drive device 8.First annulus wall 73 is located at developer roll positioning hole 71
With the lower section of powder feeding roller positioning hole 72, the second annulus wall 74 and the first annulus wall 73 are coaxially disposed and positioned at the first annulus wall 73
Outside.First annulus wall 73 and the second annulus wall 74 are towards the extension of the direction of drive device 8, and the second annulus wall 74 has local
Opening.The drive gear 83 of drive device 8 is rotatably enclosed on the first annulus wall 73 and positioned at the first annulus wall 73 and second
In cavity between annulus wall 74.
Support member 7 is additionally provided with 75 points of the first positioning hole 76 and the second positioning hole 75, the first positioning hole 76 and the second positioning hole
Not Wei Yu support member 7 both sides up and down, the first positioning hole 76 and the second positioning hole 75 coordinate with the boss of developing frame 4 respectively.
Support member 7 is additionally provided with the first locating dowel 79, the second locating dowel 710, the 3rd locating dowel 77 and the 4th locating dowel 78, the first locating dowel
79 and second locating dowel 710 respectively be located at side of the support member 7 towards the direction of developing frame 4, the first locating dowel 79 and second
Locating dowel 710 coordinates with the pilot hole of developing frame 4 respectively.3rd locating dowel 77 and the 4th locating dowel 78 are located at support member respectively
7 towards on the side in the direction of drive device 8.
Drive device 8 includes driving transferring member 87, driving receiving element 84, drive gear 83, developing roller gear 82, powder feeding roller
Gear 81, driving transferring member 87 is used for the rotary driving force for receiving printer.Developer roll 5 and developing roller gear 82 are located at branch respectively
The both sides of support member 7, developing roller gear 82 is connected with one end of developer roll 5.Powder feeding roller 6 and powder feeding roller gear 81 are located at support respectively
The both sides of part 7, powder feeding roller gear 81 is connected with one end of powder feeding roller 6.Drive gear 83 is provided with coaxial one-stage gear portion 832
With secondary gear wheel portion 831, the radius in one-stage gear portion 832 is more than the radius of secondary gear wheel portion 831, and one-stage gear portion 832 is with showing
Shadow roller gear 82 is engaged, and secondary gear wheel portion 831 is engaged with powder feeding roller gear 81.
Referring to Fig. 7, driving receiving element 84 is coaxially connected in the side positioned at one-stage gear portion 832 and drive gear 83, drives
Dynamic axle center of the receiving element 84 along drive gear 83 offers circular hole 842.Receiving element 84 is driven to be provided with disk 841, disk 841 is with driving
Moving gear 83 is coaxially connected, and circular hole 842, which is located on the axle center of disk 841, disk 841, offers four fan-shaped pylones 843, through hole
Excircle around circular hole 842 is evenly arranged.Receiving element 84 is driven outside towards the direction of driving transferring member 87 along circular hole 842
It is disposed between nine the first buckles 844, two adjacent the first buckles 844 even circumferential and forms the first groove 845.
Transferring member 87 is driven to be provided with cylinder 871 in the direction towards driving receiving element 84, driving transferring member 87 is positioned at post
It is recessed that the excircle of body 871 is equably disposed with formation second between nine the second buckles 872, two adjacent the second buckles 872
Groove 873.Cylinder 871 passes through circular hole 842, and the first buckle 844 is fitted together in the second groove 873, and the second buckle 872 is fitted together into first
In groove 845.The shape of first buckle 844 and the second buckle 872 is wedge shape respectively, and the first buckle 844 is in the second buckle of direction
The width at 872 top is less than the root width of the first buckle 844, and the second buckle 872 is at the top towards the first buckle 844
Width is less than the root width of the second buckle 872.
Referring to Fig. 8 and Fig. 9, drive device 8 also includes locating part 86 and guiding piece 85, and locating part 86 and guiding piece 85 can be around
Drive the axis reciprocating rotary of transferring member 87.Locating part 86 and guiding piece 85 be located at driving transferring member 87 and driving receiving element 84 it
Between, the adjoining driving transferring member 87 of locating part 86 is placed.Guiding piece 85 is provided with the first annulus 857 and three input arm 851, the first circle
Ring 857 is enclosed on the cylinder 871 of driving transferring member 87, and three input arm 851 are arranged on the circumference of the first annulus 857 and direction
Drive the direction extension of transferring member 87.Three input arm 851 are provided with spacing block set on the direction towards driving transferring member 87
852nd, 853,854, and the two sides of input arm 851 are guide surface 856 and stop surface 855 respectively, and guide surface 856 is inclination
Face.Spacing block set 852,853,854 in three input arm 851 is the first spacing block set 852, the second spacing block set 853 respectively
With the 3rd spacing block set 854, the first spacing block set 852, the second spacing block set 853 and the 3rd spacing block set 854 are justified along first
The width of the circumferencial direction of ring 857 is differed.
Locating part 86 is enclosed on driving and passed provided with the second annulus 867, three output arms 861 and boss 864, the second annulus 867
Pass on the cylinder 871 of part 87, three output arms 861 are arranged in the periphery of the second annulus 867 and towards the half of the second annulus 867
Footpath direction stretches out, and boss 864 extends towards the direction of driving transferring member 87.The two sides of output arm 861 are respectively
Face 862 and bearing surface 863 are directed, face 862 is directed for inclined plane, cooperation can be abutted with guide surface 856 by being directed face 862.
Referring to Figure 10, Figure 11 and Figure 12, connection control piece 9 is covered in drive device 8, and two are provided with connection control piece 9
Individual positioning hole 91,92, two screwed holes 93 and pilot hole 94, the 3rd locating dowel of two positioning holes 91,92 respectively with support member 7
77 and the 4th locating dowel 78 coordinate, two screw holes 93 respectively be located at connection control piece 9 both sides up and down, pass through screw and screw
Connection control piece 9 and support member 7, are locked installation by the cooperation in hole 93, and developer roll 5 beaming roller rotatably with pilot hole 94
Coordinate.Connection control piece 9 is extended in the direction towards driving transferring member 87 hollow cylindrical portion 95, drive device 8
In in the hollow cavity of the cylindrical portion 95.The outer face of cylindrical portion 95 provided with the first circular hole 98 and three opening 99,910,
911, the first circular hole 98 is located on the axle center of cylindrical portion 95, and driving transferring member 87 rotatably coordinates with the first circular hole 98.Three
Opening 99,910,911 is the opening 99 of the first opening 911, second opening 910 and the 3rd respectively, and the first opening 911, second is open
910 and the 3rd opening 99 differed in the width of the circumferencial direction along cylindrical portion 95.First opening 911 is enclosed on the first limit convex
On block 852, the second opening 910 is enclosed on the second spacing block set 853, and the 3rd opening 99 is enclosed on the 3rd spacing block set 854.
The inner peripheral surface of cylindrical portion 95 is provided with groove 912, three lead arm 913 and three position limit arms 914, groove 912
Along the circumferential directions of cylindrical portion 95, the boss 864 of locating part 86 movably coordinates with groove 912.Lead arm 913 and limit
Position arm 914 extends towards the direction of locating part 86, and height of the height more than lead arm 913 of position limit arm 914, position limit arm
914 are located between stop surface 855 and bearing surface 863, and lead arm 913 abuts the outside of input arm 851.Specifically, lead arm 913
Positioned at the periphery of opening 99,910,911, position limit arm 914 is located at the circumference of opening 99,910,911.Couple control piece 9
On be additionally provided with many ribs 96, rib 96 is arranged in the outside of cylindrical portion 95 and connects the end of connection control piece 9.Locating part 86
Restricting portion 865 is additionally provided with, earclip 866 is extended downward with the side of restricting portion 865.
Referring to Figure 13, Figure 14, Figure 15 and Figure 16, end cap 10 offers the second circular hole 101, through hole 102, two screw holes
104, the second circular hole 101 is enclosed in the cylindrical portion 95 of connection control piece 9, and photosensitive drums 2 rotatably coordinate with through hole 102, two
Screw hole 104 is used to be fixedly connected with drum frame 3.On the excircle of the second circular hole 101 and towards connection control piece 9 direction
Being extended has annulus wall 110, and annulus wall 110 offers fluting along radial direction.The direction of fluting is being provided with receiving
Chamber 105, side wall of the accommodating chamber 105 in the direction towards fluting is arc 109, and the top surface of accommodating chamber 105 is inclined plane, i.e., second
Confined planes 108.Earclip 866 is movably located in accommodating chamber 105, and end cap 10 is further opened with arc in correspondence accommodating chamber 105 position
Shape through hole 103.End cap 10 is provided with the bar-shaped trough 106 that two positions are oppositely arranged, bar-shaped trough in the downstream towards through hole 102
106 are used for chip placement, and the top of bar-shaped trough 106 is boss, and the lower section of bar-shaped trough is buckle, and the opposite flank of two buckles is
Inclined plane.
Powder box 1 is loaded after printer, driving transferring member 87 and driving photosensitive drums 2 rotate drive division 21 respectively with it is corresponding
Driving output link connection.Because locating part 86 is provided with restricting portion 865 and earclip 866, earclip 866 can be around driving transferring member
87 axis rotates back and forth in accommodating chamber 105, consequently facilitating driving transferring member 87 and output link couple.Printer
On main frame pushing member thrust is not applied to the thrust acceptance division of developing frame 4, the work side face of developer roll 5 is held against
On the work side face of photosensitive drums 2, to form the spacing needed for development between developer roll 5 and photosensitive drums 2.Now, locating part 86
The lower surface in portion 865 that is limited be resisted against on the bottom surface of the fluting of end cap 10, i.e. on the first confined planes 107.Drive receiving element
84 receive revolving force from driving transferring member 87, and are coupled by the first buckle 844 with the coupling of the second buckle 872 by revolving force
Drive gear 83 is passed to, and revolving force is passed to and for powder roller gear 81 by developing roller gear 82 by gear transmission, for powder
The driving of roller gear 81 normally rotates to supply carbon dust to developer roll 5 for powder roller 6.The driving developer roll 5 of developing roller gear 82 is normal
Rotation, to be developed to the supply carbon dust of photosensitive drums 2.
When stopping printing, the main frame pushing member on printer applies thrust to the thrust acceptance division of developing frame 4, makes
Developing frame 4 rotates, i.e., developing frame 4 rotates relative to box body around the rotation axis parallel to the driving axis of transferring member 87, so that
Cause to be formed between the work side face of developer roll 5 and the work side face of photosensitive drums 2 and be more than gap needed for normal development.Due to end cap
10 are fixedly connected with drum frame 3, therefore end cap 10 is not together around rotation, in guide surface 856 with being directed in the presence of face 862, limit
The upper surface in portion 865 that is limited of position part 86 is resisted against on the second confined planes 108 of end cap 10, so as to promote connection control piece 9
Moved along the direction parallel to rotation axis to the direction close to drive gear 83.
Embodiment described above, simply preferred embodiments of the present utility model not limit the utility model practical range,
Therefore the equivalent change or modification that all construction, feature and principles according to described in present utility model application the scope of the claims are done, it all should wrap
Include in the utility model patent claim.
Claims (3)
1. a kind of powder box simple in construction, the powder box is detachably mounted on printer, the powder box includes developer roll, sent
Powder roller, developing frame and drive device, the drive device are used for the rotary driving force for receiving the printer, the developer roll
It is located at respectively in the developing frame with the powder feeding roller, it is characterised in that：
The powder box also includes support member, and the support member is located at one end of the developing frame；
The support member is provided with developer roll positioning hole, powder feeding roller positioning hole, the first annulus wall and the second annulus wall；
The developer roll rotatably passes through the developer roll positioning hole and is connected with the drive device；
The powder feeding roller rotatably passes through the powder feeding roller positioning hole and is connected with the drive device；
The first annulus wall is located at the lower section of the developer roll positioning hole and the powder feeding roller positioning hole, the second annulus wall
The outside of the first annulus wall is coaxially disposed and is located at the first annulus wall；
The first annulus wall and the second annulus wall extend towards the direction of the drive device, the second annulus wall tool
There are local openings；
The drive gear of the drive device be rotatably enclosed on the first annulus wall and positioned at the first annulus wall with
In cavity between the second annulus wall.
2. a kind of powder box simple in construction according to claim 1, it is characterised in that：
The support member is additionally provided with the first positioning hole and the second positioning hole, first positioning hole and second positioning hole difference
Positioned at the both sides up and down of the support member, first positioning hole and second positioning hole are convex with the developing frame respectively
Platform coordinates.
3. a kind of powder box simple in construction according to claim 2, it is characterised in that：
The support member is additionally provided with the first locating dowel and the second locating dowel, first locating dowel and second locating dowel difference
Positioned at the support member towards the side in the direction of the developing frame, first locating dowel and second locating dowel are distinguished
Coordinate with the pilot hole of the developing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621490767.8U CN206363085U (en) | 2016-12-30 | 2016-12-30 | A kind of powder box simple in construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621490767.8U CN206363085U (en) | 2016-12-30 | 2016-12-30 | A kind of powder box simple in construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206363085U true CN206363085U (en) | 2017-07-28 |
Family
ID=59379348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621490767.8U Active CN206363085U (en) | 2016-12-30 | 2016-12-30 | A kind of powder box simple in construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206363085U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110647022A (en) * | 2019-11-18 | 2020-01-03 | 珠海天威飞马打印耗材有限公司 | Processing box |
| CN110850697A (en) * | 2019-11-28 | 2020-02-28 | 珠海天威飞马打印耗材有限公司 | Processing box |
-
2016
- 2016-12-30 CN CN201621490767.8U patent/CN206363085U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110647022A (en) * | 2019-11-18 | 2020-01-03 | 珠海天威飞马打印耗材有限公司 | Processing box |
| CN110850697A (en) * | 2019-11-28 | 2020-02-28 | 珠海天威飞马打印耗材有限公司 | Processing box |
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