CN107678262A - Carbon starch cylinder and imaging device - Google Patents
Carbon starch cylinder and imaging device Download PDFInfo
- Publication number
- CN107678262A CN107678262A CN201711149289.3A CN201711149289A CN107678262A CN 107678262 A CN107678262 A CN 107678262A CN 201711149289 A CN201711149289 A CN 201711149289A CN 107678262 A CN107678262 A CN 107678262A
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- China
- Prior art keywords
- cylinder
- valve
- inner chamber
- air cylinder
- check valve
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 58
- 229920002472 Starch Polymers 0.000 title claims abstract description 37
- 235000019698 starch Nutrition 0.000 title claims abstract description 37
- 239000008107 starch Substances 0.000 title claims abstract description 37
- 238000003384 imaging method Methods 0.000 title claims abstract description 23
- 235000012054 meals Nutrition 0.000 claims abstract description 17
- 239000012528 membrane Substances 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 21
- 239000000428 dust Substances 0.000 claims description 20
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 abstract description 10
- 239000010408 film Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0877—Arrangements for metering and dispensing developer from a developer cartridge into the development unit
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Check Valves (AREA)
Abstract
Include cylinder and meal outlet and force piece the present invention relates to imaging device and for carbon starch cylinder therein, carbon starch cylinder.The leading portion of force piece is an air cylinder, a piston being arranged in air cylinder, and air cylinder is reciprocally moveable in axially opposing piston in stroke.Piston is separated out the inner chamber of air cylinder and the inner chamber of cylinder.One passage runs through piston, and it connects the inner chamber of air cylinder and the inner chamber of cylinder.The first check valve is provided with passage, it allows the gas in the inner chamber of air cylinder to be flowed into the inner chamber of the cylinder.It is also configured with the second check valve that a permission ambient atmos flow into the inner chamber of air cylinder.Imaging device uses above-mentioned carbon starch cylinder.The advantages of with supplying powder enough.
Description
Technical field
The present invention relates to a kind of carbon starch cylinder being removably mounted in imaging device and the imaging device.It is of the present invention
Imaging device include duplicator, facsimile machine, printer or with a variety of this kind of machine functions multi-functional complex imaging device.
Background technology
Publication No. is that CN107111265A application for a patent for invention discloses a kind of developer supply case, i.e. carbon starch cylinder.
Referring to Fig. 1, Fig. 1 is the structure decomposition figure of the carbon starch cylinder, and carbon starch cylinder includes the cylinder 100 for accommodating carbon dust,
Powder feeding screw feeder is fixed with cylinder 100, the carbon dust in cylinder is conveyed from the right-hand member that Fig. 1 shows to left end, the front end of cylinder 100 with
Delivery section 110 is fixedly connected.Carbon starch cylinder is additionally provided with sliding cover component 120, and it is provided with the carbon dust row for being used to allow delivery section 110 to convey
To the meal outlet 121 of imaging device, for being rotated about axis along with delivery section 110 under imaging device driving to convey cylinder
Carbon dust in 100.Carbon starch cylinder also has bellows-type pump 130, and the pump 130 is in the appearance that axial reciprocating is mobile to be changed in its pump chamber
Product, make to produce periodically variable pressure in cylinder 100, carbon starch cylinder is additionally provided with force piece 140, for by the rotation of delivery section 110
Rotatory force is converted into axial reciprocating driving force, is moved with transfer tube 130 in axial reciprocating.Enclosing cover 150 is arranged on sliding cover component 120
On, when carbon starch cylinder is installed in imaging device, combined by enclosing cover 150 with imaging device, while open in sliding cover component 120
Slip lid, meal outlet 121 is docked with the powder feeding pipe of imaging device.The operation principle and detailed construction of the carbon starch cylinder can pass through
CN107111265A introduction is learnt.
Find in use, above-mentioned carbon starch cylinder has the phenomenon for powder deficiency.To find out its cause, due to meal outlet 121
Go out that powder section is relatively small, the relatively large air pressure of the pressure in cylinder 100 is changed between positive and negative, when pump 130 is to cylinder 100
, it is necessary to first be carried out to the negative pressure in cylinder 100 when pressurization is it is expected the carbon dust near meal outlet 121 to blow to imaging device
Balance, this process losses compressive energy of pump, by causing carbon dust output quantity insufficient.
The operation principle and drawbacks described above of the carbon starch cylinder can be illustrated by Fig. 2, and referring to Fig. 2, the carbon starch cylinder can letter
A cylinder 100 and a pump 130 are turned to, carbon dust is filled in the inner chamber 1001 of container 100, has one to go out powder at the front end of container 1
Mouth 121 and a passage 1002, pump chamber 1301 are connected by passage 1002 with inner chamber.Before carbon starch cylinder work, inner chamber 1001, pump chamber
1301 are in communication with the outside by meal outlet 121, and pressure is identical, when arrow right lateral compresses pump 130 along Fig. 2, inner chamber 1001,
The pressure of pump chamber 1301 increases, and the carbon dust near meal outlet 121 is discharged to outside meal outlet 121, the stroke of pump 130 to low order end
After return, i.e., by Fig. 2 arrow left lateral aspirate when, because meal outlet 121 is relatively narrow and small, when the stroke of pump 130 to high order end, meeting
Make inner chamber 1001, pump chamber 1301 are relatively extraneous to be in negative pressure state, now right lateral can only balance the negative pressure again, and in can not making
Chamber is in malleation, only by a trip after, can just produce malleation and supply powder.
Therefore, it is necessary to be improved the structure of the carbon starch cylinder, powder outlet quantity is improved, to overcome its existing drawbacks described above.
The content of the invention
The main object of the present invention is to provide a kind of carbon starch cylinder improved；
It is a further object of the present invention to provide a kind of imaging device using the above-mentioned carbon starch cylinder improved.
To realize above-mentioned main purpose, carbon starch cylinder provided by the invention includes cylinder and the meal outlet positioned at barrel front end,
And force piece.The leading portion of force piece is an air cylinder, and a piston being arranged in air cylinder, air cylinder is in axially opposing piston
It is reciprocally moveable in stroke.Piston is separated out the inner chamber of air cylinder and the inner chamber of cylinder.One passage runs through piston, and it connects gas
The inner chamber of cylinder and the inner chamber of cylinder.The first check valve is provided with passage, it allows the gas in the inner chamber of air cylinder to institute
The inner chamber for stating cylinder flows into.It is also configured with the second check valve that a permission ambient atmos flow into the inner chamber of air cylinder.
From above scheme, when force piece converts rotational motion into axial straight reciprocating motion, its leading portion
Opposing pistons are made straight reciprocating motion by air cylinder, and due to there is provided the first check valve and the second check valve, and then cause
Realized in one reciprocation period from external world's suction gas and apply stressed process to the inner chamber of cylinder, each cycle is not
It is disconnected to repeat so that the chamber pressure of cylinder is consistently greater than extraneous pressure in the operating condition, so as to ensure that in cylinder lumen
Carbon dust is enough outwards to be exported by meal outlet.
Further scheme is that the first check valve is valve for pressure difference, including a valve element, valve element can opposing channel in passage
Axial compression difference power and move；Second check valve is valve for pressure difference, including at least one radial compression air cylinder inwall with
Sealing ring between piston perisporium annular groove, sealing ring can move relative to the perisporium annular groove interior edge axial compression difference power.
Further scheme is that one end of the inner chamber of cylinder is also provided with carbon dust partition in passage.
Another further scheme is that at least one in the first check valve and the second check valve is membrane valve, membrane valve bag
The valve body of two plate valve films composition is included, when the first check valve is membrane valve, the entrance of membrane valve docks with passage, valve body and outlet position
In the inner chamber of cylinder；When second check valve is membrane valve, an openings are provided with the wall for the inner chamber for forming air cylinder, it is thin
The entrance of film valve docks with openings, and valve body and outlet are in the inner chamber of cylinder.
Further scheme be openings be arranged on the axial end wall of air cylinder or circumferential wall on.
To realize another object of the present invention, imaging device provided by the invention includes being removably installed in carbon therein
Powder drum, carbon starch cylinder include cylinder and the meal outlet positioned at barrel front end, and force piece.The leading portion of force piece is an air cylinder, one
The individual piston being arranged in air cylinder, air cylinder are reciprocally moveable in axially opposing piston in stroke.Piston separates gas outlet
The inner chamber of body and the inner chamber of cylinder.One passage runs through piston, and it connects the inner chamber of air cylinder and the inner chamber of cylinder.Set on passage
There is the first check valve, it allows the gas in the inner chamber of air cylinder to be flowed into the inner chamber of the cylinder.It is also configured with outside a permission
The second check valve that boundary's gas flows into the inner chamber of air cylinder.
Further scheme is that further scheme is that the first check valve is valve for pressure difference, including a valve element, valve element can phases
Passage is moved in the axial compression difference power of passage；Second check valve is valve for pressure difference, including at least one exists in radial compression
Sealing ring between the inwall and piston perisporium annular groove of air cylinder, sealing ring can relatively described perisporium annular groove interior edge axial compression it is poor
Power and move.
Further scheme is that one end of the inner chamber of cylinder is also provided with carbon dust partition in passage.
Another further scheme is that at least one in the first check valve and the second check valve is membrane valve, membrane valve bag
The valve body of two plate valve films composition is included, when the first check valve is membrane valve, the entrance of membrane valve docks with passage, valve body and outlet position
In the inner chamber of cylinder；When second check valve is membrane valve, an openings are provided with the wall for the inner chamber for forming air cylinder, it is thin
The entrance of film valve docks with openings, and valve body and outlet are in the inner chamber of air cylinder.
Further scheme be openings be arranged on the axial end wall of air cylinder or circumferential wall on.
Brief description of the drawings
Fig. 1 is the structure decomposition figure of existing carbon starch cylinder；
Fig. 2 is the fundamental diagram that Fig. 1 shows existing carbon starch cylinder；
Fig. 3 is to reflect the air cylinder of carbon starch cylinder of the present invention to the fundamental diagram of cylinder pressurized state；
Fig. 4 is to reflect the air cylinder of carbon starch cylinder of the present invention from the fundamental diagram of extraneous suction gaseous state；
Fig. 5 is the structure decomposition figure of first embodiment of the invention；
Fig. 6 is the air cylinder of first embodiment of the invention to the fundamental diagram of cylinder pressurized state；
Fig. 7 is that the air cylinder of first embodiment of the invention sucks the fundamental diagram of gaseous state from the external world；
Fig. 8 is the stereogram of piston only in first embodiment of the invention；
Fig. 9 is Fig. 8 front view；
Figure 10 is Fig. 9 A-A sectional views, wherein core assembly and sealing ring are assembled with, and valve element is in opening；
Figure 11 is also Fig. 9 A-A sectional views, wherein core assembly and sealing ring are assembled with, but valve element is closed.
Below in conjunction with each embodiment and its accompanying drawing, the invention will be further described.
Embodiment
The present invention discloses the structure that the deficiency of carbon starch cylinder makes primarily directed to CN107111265A and improved, except improvement part
Outside other structures it is consistent with the carbon dust barrel structure in CN107111265A, for example, in addition to force piece 140, label and Fig. 2
Consistent part-structure is also identical with Fig. 2, and therefore, only a pair improvement part closely related with the present invention enters in following embodiment
Row describes in detail, other structures and manufacturing process, is referred to CN107111265A disclosures completely and is implemented.
The design concept first to the present invention illustrates below, to help to understand that it is existing that operation principle of the present invention is shown with Fig. 2
The difference of technical work principle.
Referring to Fig. 3, " preceding " refers to the left-hand of diagram in being described below, and after dextrad is, carbon starch cylinder of the invention is main
There are cylinder 100 and the meal outlet 121 positioned at barrel front end, the leading portion of force piece is an air cylinder 1041, and piston 160 is arranged on
In air cylinder 1401, it can be moved back and forth in stroke of the axially opposing air cylinder 1401 in setting, piston 160 is separated out air cylinder
Inner chamber 1402 and cylinder 100 inner chamber 1001.Passage 1002 is through piston 160 and communication with cavity 1402 and inner chamber 1001.The
One check valve 1 is arranged on passage 1002, it is allowed to which the gas in inner chamber 1042 flows into inner chamber 1001, and the second check valve 2 configures
Flowed into ambient atmos are allowed to inner chamber 1402.
When force piece is driven and is moved rearwards by revolving force, i.e. when the dextrad that arrow shows in Fig. 3 moves, the first check valve
1 opens such as Fig. 3 solid line states, and the second closed check valve such as Fig. 3 shows solid line state, and the volume of inner chamber 1402 diminishes, wherein gas
Inner chamber 1001 is pressed into, and then the carbon dust in inner chamber 1001 is exported from meal outlet 121.
Referring to Fig. 4, when force piece is driven and moved forward by revolving force, i.e. during the left-hand movement that arrow shows in Fig. 4, the
One check valve 1 closes such as Fig. 4 solid line states, and the second check valve opens such as Fig. 4 and shows solid line state, and the volume of inner chamber 1402 becomes big,
It sucks gas from the external world, and the pressure in inner chamber 1001 is with the middle pressure release of meal outlet 121, from relatively slow higher than ambient pressure
Ground declines., can into the second period of the motion of opposing pistons 160 when the left lateral of air cylinder 1401 to stroke end returns
With understanding, its pressure leak process will not at least cause the pressure in inner chamber 1001, and less than the external world, therefore, second period comes
Face so that the repressurization of inner chamber 1001 so that the pressure in inner chamber 1001 higher than ambient pressure and slightly above ambient pressure or
Circulated equal between ambient pressure.
First embodiment
Referring to Fig. 5, delivery section 110 is fixed on the front end of cylinder 100, and the gear 1101 in delivery section 110 receives imaging device
Driving force drives cylinder 100 together to rotate about the axis, the driver slot 1102 being provided around on the perisporium of delivery section 110, the driving
Groove 1102 has front and rear skew in the axial direction, and after force piece 140 assembles, its slide-bar 1403 insertion driver slot 1102 is simultaneously sliding in groove
It is dynamic, therefore rotary power is converted into the axial reciprocating driving force of air cylinder 1401.
Sliding cover component 120 and enclosing cover 150 are same as the prior art.Piston 160 by piston body 161, a pair of sealing rings 162,
Valve element plug 163, valve element 164 and carbon dust partition 165 are formed.In view of technique assembly problem, valve element 164 is by valve element plug
The screw thread of 163 piston body 161, which coordinates, is loaded into valve pocket, and a pair of sealing rings 162 are placed in a pair of grooves on the perisporium of piston body 161,
Carbon dust partition 165 made of impermeable carbon powder material of breathing freely is fixed on the rear end of piston body 161.
Referring to Fig. 6, after each parts assembly cost invention carbon starch cylinder first embodiment that Fig. 5 shows, filled when being installed to imaging
After putting, such as foregoing cylinder 100 integrally combines with delivery section 110 and relative enclosing cover 150 can be around the own axis of cylinder 100
, powder feeding screw feeder 10 is fixed with cylinder 100, sealing ring 9 is provided between the front end of cylinder 100 and sliding cover component 120, for preventing
Rotation stop leaks carbon dust when dynamic, and piston body 161 is threadedly secured on sliding cover component 120, is equipped with sealing ring 8 between the two, close
The outer rim of seal 162 is squeezed in the inwall of air cylinder 1401, has between the inwall and the outer wall of piston body 161 of air cylinder 1401 outside being used for
The gap that boundary's gas enters.The state that Fig. 6 shows is that row arrives end point of travel after air cylinder 1401, i.e. the state that Fig. 3 shows, now, valve
Core 164 is in the state for opening passage in passage, and the gas of inner chamber 1402 enters inner chamber 1001 by passage, and sealing ring
162 enter the state of inner chamber 1402 in closing ambient atmos by gap.
Referring to Fig. 7, state that Fig. 7 shows is that air cylinder 1401 is forwarded to end point of travel, i.e. the state that Fig. 4 shows, now, valve element
164 are in the state of closing passage in passage, and the gas of inner chamber 1402 can not enter inner chamber 1001 by passage, and sealing ring
162 enter the state of inner chamber 1402 in unlatching ambient atmos by gap.
The structure and working principle of piston 160 is illustrated below.
Referring to Fig. 8, Fig. 9, piston body 161 forms first portion of 1611, second, portion along axis successively from front to back
1612 and the 3rd portion 1613, it thus form the first groove 1614 and the second groove for placing two sealing rings 162 respectively
1615, in the axial direction, the first groove 1614 and the width of the second groove 1615 are greater than the diameter or width of sealing ring 162.First portion
1614 are provided with four holes 1616 axially through piece portion, and the perisporium in second portion 1612 is provided with axially non-through groove
1617, the groove 1617 also radially extends downwardly in the rear wall in second portion 1612.
Referring to Figure 10, when row after such as Fig. 3 and Fig. 6 of air cylinder 1401 shows, the pressure increase in inner chamber 1402, sealing is forced
Enclose row after 162 opposing pistons bodies 161, i.e. sealing ring 162 by against the antetheca in second portion 1612, the 3rd portion 1613, and then
The gap of ambient inlet air is closed, and row departs from valve face 1631 after the pressure of the increase also forces valve element 164, and then make passage smooth
It is logical.
Referring to Figure 11, when such as Fig. 4 and Fig. 7 shows forward to air cylinder 1401, cavity volume increases, therefore pressure reduces, interior
The pressure of chamber 1001 causes valve element 164 to move ahead low pressure on valve face 1631, and then closing passage, and extraneous pressure to seal
Enclose 162 opposing pistons bodies 161 to move ahead in the first groove 1614 and the second groove 1615, against the rear wall and second in first portion 1611
The rear wall in piece portion 1612, the ambient atmos then gap between the inwall of air cylinder 1401 and piston body 161, groove 1617, second
Gap, hole 1616 between piece portion 1612 and the inwall of air cylinder 1401 enter inner chamber 1402.
Second embodiment
Only this example and first embodiment difference are illustrated below.The characteristics of this example be the structure of piston body 161 more
Simply, hole 1616 and groove 1617 are saved, also saves valve element 164 and valve element plug 163 in first embodiment simultaneously.
The structure of membrane valve is introduced first, is disclosed in CN103256408B patent of invention specifications a kind of non-linear
Air-stopping valve structure, the unidirectional air-stopping valve in its background technology is exactly membrane valve, the valve body being mainly made up of two panels film, and it has
Body structure is to form soldering and sealing into gas access and outlet conduit using two panels fexible film, and valve body is placed in and treats inflatable chamber
In vivo, and entrance and treat that the entrance of gas-filled cavity is same entrance, ambient atmos can only be entered by the entrance, and through piping
From exporting to up to treating in gas-filled cavity, when the external world is to inlet charge, thin film separation that two panels is close to and form admission line, fill
At the end of gas, due to treating that the pressure in gas-filled cavity is higher than ambient pressure, the pressure makes two panels film be bonded to each other again, enter but
Closedown of pipeline.
First check valve and the second check valve of this example all use membrane valve, and one section of passage is arranged to slot-shaped, as
The entrance of the membrane valve of first check valve docks with the slot-shaped passage, and valve body and outlet are in inner chamber 1001.In composition
The openings of one gap-like are set on the wall of the air cylinder 1401 of chamber 1402, and the entrance as second check valve craftsman's membrane valve is with passing through
Port docks, and valve body and outlet are in the inner chamber of air cylinder.
3rd embodiment
First check valve of this example uses the first check valve in first embodiment, and the second check valve is then used in second embodiment
Membrane valve.
Fourth embodiment
First check valve of this example uses the membrane valve in second embodiment, and the second check valve uses second in first embodiment
Check valve.
Other embodiments
The central scope of the present invention is to maintain the pressure of cylinder lumen to be not less than ambient pressure using two check valves, be herein means
Lead under thought, the structure of check valve can also use a variety of existing check valves, such as structure is simpler in traditional bellows
Turnover plate type check valve etc..
Claims (10)
1. carbon starch cylinder, including cylinder and the meal outlet positioned at the barrel front end, and force piece；
It is characterized in that：
The leading portion of the force piece is an air cylinder；
Piston, it is arranged in the air cylinder, the air cylinder is reciprocally moveable in the axially opposing piston in stroke；
The piston is separated out the inner chamber of the air cylinder and the inner chamber of the cylinder；
Passage, through the piston and connect the inner chamber of the air cylinder and the inner chamber of the cylinder；
First check valve, be arranged on the passage, first check valve allow gas in the inner chamber of the air cylinder to
The inner chamber of the cylinder flows into；
Second check valve, it is configured to allow ambient atmos to flow into the inner chamber of the air cylinder.
2. carbon starch cylinder according to claim 1, it is characterised in that：
First check valve is valve for pressure difference, including a valve element, the valve element can relatively described passage the passage axle
Moved to pressure difference power；
Second check valve is valve for pressure difference, including at least one in inwall of the radial compression in the air cylinder and the piston
Sealing ring between perisporium annular groove, the sealing ring can move relative to the perisporium annular groove interior edge axial compression difference power.
3. carbon starch cylinder according to claim 2, it is characterised in that：
Also include carbon dust partition, the carbon dust partition is arranged on the passage close to one end of the inner chamber of the cylinder.
4. carbon starch cylinder according to claim 1, it is characterised in that：
At least one in first check valve and second check valve is membrane valve, and the membrane valve includes two plate valve films
The valve body of composition；
When first check valve is membrane valve, the entrance of membrane valve docks with the passage, and valve body and outlet are located at the cylinder
In the inner chamber of body；
When second check valve is membrane valve, an openings, film are provided with the wall for the inner chamber for forming the air cylinder
The entrance of valve docks with the openings, and valve body and outlet are in the inner chamber of the air cylinder.
5. carbon starch cylinder according to claim 4, it is characterised in that：
The openings are arranged on the axial end wall of the air cylinder or on circumferential wall.
6. imaging device, including carbon starch cylinder therein is removably installed in, the carbon starch cylinder includes cylinder and positioned at the cylinder
The meal outlet of body front end, and force piece；
It is characterized in that：
The leading portion of the force piece is an air cylinder；
Piston, it is arranged in the air cylinder, the air cylinder is reciprocally moveable in the axially opposing piston in stroke；
The piston is separated out the inner chamber of the air cylinder and the inner chamber of the cylinder；
Passage, through the piston and connect the inner chamber of the air cylinder and the inner chamber of the cylinder；
First check valve, be arranged on the passage, first check valve allow gas in the inner chamber of the air cylinder to
The inner chamber of the cylinder flows into；
Second check valve, it is configured to allow ambient atmos to flow into the inner chamber of the air cylinder.
7. imaging device according to claim 6, it is characterised in that：
First check valve is valve for pressure difference, including a valve element, the valve element can relatively described passage the passage axle
Moved to pressure difference power；
Second check valve is valve for pressure difference, including at least one in inwall of the radial compression in the air cylinder and the piston
Sealing ring between perisporium annular groove, the sealing ring can move relative to the perisporium annular groove interior edge axial compression difference power.
8. imaging device according to claim 7, it is characterised in that：
Also include carbon dust partition, the carbon dust partition is arranged on the passage close to one end of the inner chamber of the cylinder.
9. imaging device according to claim 6, it is characterised in that：
At least one in first check valve and second check valve is membrane valve, and the membrane valve includes two plate valve films
The valve body of composition；
When first check valve is membrane valve, the entrance of membrane valve docks with the passage, and valve body and outlet are located at the cylinder
In the inner chamber of body；
When second check valve is membrane valve, an openings, film are provided with the wall for the inner chamber for forming the air cylinder
The entrance of valve docks with the openings, and valve body and outlet are in the inner chamber of the air cylinder.
10. imaging device according to claim 9, it is characterised in that：
The openings are arranged on the axial end wall of the air cylinder or on circumferential wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711149289.3A CN107678262A (en) | 2017-11-18 | 2017-11-18 | Carbon starch cylinder and imaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711149289.3A CN107678262A (en) | 2017-11-18 | 2017-11-18 | Carbon starch cylinder and imaging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107678262A true CN107678262A (en) | 2018-02-09 |
Family
ID=61150064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711149289.3A Pending CN107678262A (en) | 2017-11-18 | 2017-11-18 | Carbon starch cylinder and imaging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107678262A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320777A (en) * | 2019-06-11 | 2019-10-11 | 珠海市汇威打印机耗材有限公司 | Carbon starch cylinder |
| CN110673453A (en) * | 2019-10-31 | 2020-01-10 | 深圳市金城保密技术有限公司 | Photosensitive device for laser printer |
| CN111435224A (en) * | 2019-01-14 | 2020-07-21 | 江西凯利德科技有限公司 | Developer supply container |
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| CN107111265A (en) * | 2014-11-10 | 2017-08-29 | 佳能株式会社 | Developer supply case and developer feeding equipment |
| CN207396971U (en) * | 2017-11-18 | 2018-05-22 | 珠海维翼打印科技有限公司 | Carbon starch cylinder and imaging device |
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| JPH10299658A (en) * | 1997-04-18 | 1998-11-10 | Ricoh Co Ltd | Powder pump |
| CN200944181Y (en) * | 2006-03-01 | 2007-09-05 | 珠海天威技术开发有限公司 | Carbon powder box for electronic photography imaging device |
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| CN107111265A (en) * | 2014-11-10 | 2017-08-29 | 佳能株式会社 | Developer supply case and developer feeding equipment |
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