Delevoping cartridge
Technical field
This utility model relates to developing technique field, particularly relates to a kind of Delevoping cartridge.
Background technology
Delevoping cartridge carries developing agent by developing element surface, thus is delivered to from Delevoping cartridge and developing element by developing agent
Relative photo-sensitive cell, and on photo-sensitive cell, form the image being made up of developing agent.
Fig. 1 and Fig. 2 is the structural representation of the Delevoping cartridge of prior art, sees figures.1.and.2 shown, showing of prior art
Shadow box includes: box body 10, the developing element 20 of long shaft-like, agitating element, powder feeding element and powder outlet cutter 23.Box body 10 is used for accommodating
Developing agent, agitating element, powder feeding element and developing element 20.Having opening 101 on box body 10, developing element 20 is positioned at this opening
In 101, powder outlet cutter 23 is connected with box body 10, the blade of powder outlet cutter 23 be positioned at developing element 20 towards within opening 101
Side, powder outlet cutter 23 and developing element 20 axially in parallel, and the slidably contacting the surfaces of powder outlet cutter 23 and developing element 20, thus control
The thickness of developer layer on developing element 20 processed.Agitating element, powder feeding element and developing element 20 transmit developing agent by rotating,
Developing agent is sent to powder feeding element by i.e. agitating element, and developing agent is sent to developing element 20 by powder feeding element, due to development unit
Part 20 is positioned at the opening 101 of box body 10 and developing element 20 is partially exposed at outside box body 10, thus will by developing element 20
Developing agent is sent on the outer photo-sensitive cell contacted with developing element 20 of box body 10, makes the electrostatic formed on the surface of photo-sensitive cell
The development of developed dose of sub-image.
But, during the transmission of developing agent, the unnecessary developing agent meeting of powder outlet cutter 23 and developing element 20 contact position
Fly out outside box body 10 from developing element 20, cause the leakage of developing agent, thus cause the waste of environmental pollution and developing agent.
Utility model content
This utility model provides a kind of Delevoping cartridge, with the defect overcoming the developing agent of the Delevoping cartridge of prior art to reveal.
A kind of Delevoping cartridge that this utility model provides, including box body, the developing element of long shaft-like and powder outlet cutter, described box body
On there is opening, described developing element is positioned at described opening, and described powder outlet cutter is connected with described box body, described powder outlet cutter and institute
Stating the axially in parallel of developing element, described powder outlet cutter slidably contacts the surfaces with described developing element, to scrape off described development unit
The developing agent of part excess surface, being also arranged above for stopping the first gear powder that unnecessary developing agent outwards flies out of described powder outlet cutter
Part, axially arranged along described developing element of described first gear powder part, and the axial length of described first gear powder part is not less than institute
State the axial length of developing element.
Delevoping cartridge as above, described first gear powder part is laminated structure.
Delevoping cartridge as above, described first gear powder part includes fixed part and gear powder portion, described fixed part and described gear
There is between powder portion default angle.
Delevoping cartridge as above, described fixed part is bonded on described powder outlet cutter or on described box body by bonding agent.
Delevoping cartridge as above, described default angle is obtuse angle.
Delevoping cartridge as above, described default angle is right angle or acute angle.
Delevoping cartridge as above, described fixed part and described gear powder portion are in the same plane.
Delevoping cartridge as above, described powder outlet cutter is provided with the screw being spirally connected with described box body, and described fixed part connects
On described powder outlet cutter, and described fixed part is provided with and dodges hole for dodge described screw.
Delevoping cartridge as above, also includes the second gear powder part for accepting the developing agent fallen to outside described box body,
Described second gear powder part is located at the outer side-lower of described developing element, and described second gear powder part is connected with described box body edge.
Delevoping cartridge as above, described box body is additionally provided with diaphragm seal, and described diaphragm seal is positioned at described developing element
Lower section, the inner side of the close described diaphragm seal at described box body edge is provided with oblique angle, described second gear powder part, described diaphragm seal and institute
State oblique angle and jointly enclose the receiving space being set as accommodating the developing agent dropped from described developing element.
Delevoping cartridge of the present utility model, by being provided above first gear powder part at powder outlet cutter, makes first gear powder part along aobvious
Shadow element axially arranged, the axial length of first gear powder part is not less than the axial length of developing element, thus passes through first gear
The developing agent upwards flown out from developing element and powder outlet cutter contact position is blocked by powder part, make developer container be contained in first gear powder part and
In the space formed between powder outlet cutter, thus prevent the developing agent of developing element and the powder outlet cutter contact position box body that flies out from causing outward
The phenomenon that developing agent is revealed occurs.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is
Embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the Delevoping cartridge of prior art;
Fig. 2 is the Delevoping cartridge of prior art structural representation when not installing developing element;
The structural representation of the Delevoping cartridge that Fig. 3 provides for this utility model embodiment one;
The sectional view of the Delevoping cartridge that Fig. 4 provides for this utility model embodiment one;
The structural representation of first gear powder part in the Delevoping cartridge that Fig. 5 provides for this utility model embodiment one;
The sectional view of the Delevoping cartridge that Fig. 6 provides for this utility model embodiment two;
The structural representation of first gear powder part in the Delevoping cartridge that Fig. 7 provides for this utility model embodiment two;
The sectional view of the Delevoping cartridge that Fig. 8 provides for this utility model embodiment three;
The structural representation of first gear powder part in the Delevoping cartridge that Fig. 9 provides for this utility model embodiment three.
Description of reference numerals:
10, box body;1a, receiving storehouse;1b, developing chamber;
101, opening;102, edge;20, developing element;
20a, main part;20b, steel axle;21, powder feeding element;
22, agitating element;23, powder outlet cutter;231, blade;
232, knife rest;232a, contact site;232b, rib;
31, first gear powder part;31a, gear powder portion;31b, fixed part;
311b, dodge hole;32, second gear powder part;33, diaphragm seal;
34, end seal.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that retouched
The embodiment stated is a part of embodiment of this utility model rather than whole embodiments.Based on the enforcement in this utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into
The scope of this utility model protection.
Embodiment one
The structural representation of the Delevoping cartridge that Fig. 3 provides for this utility model embodiment one.Fig. 4 is this utility model embodiment
The sectional view of one Delevoping cartridge provided.The structure of first gear powder part in the Delevoping cartridge that Fig. 5 provides for this utility model embodiment one
Schematic diagram.With reference to shown in Fig. 3 to Fig. 5, the present embodiment provides a kind of Delevoping cartridge, including box body 10, the developing element 20 of long shaft-like,
Powder outlet cutter 23, powder feeding element 21 and agitating element 22.Powder feeding element 21 and agitating element 22 are positioned at box body 10.Have on box body 10
Having opening 101, developing element 20 to be positioned at opening 101, powder outlet cutter 23 is connected with box body 10, powder outlet cutter 23 and developing element 20
Axially in parallel, powder outlet cutter 23 slidably contacts the surfaces with developing element 20, to scrape off the developing agent of developing element 20 excess surface,
That is, powder outlet cutter 23 is for controlling the thickness of developer layer on developing element 20.
In the present embodiment, being also arranged above for stopping the first gear powder that unnecessary developing agent outwards flies out of powder outlet cutter 23
Part 31, axially arranged along developing element 20 of first gear powder part 31, and the axial length of first gear powder part 31 are not less than development unit
The axial length of part 20.It is to be understood that form groove between first gear powder part 31 and the blade 231 of powder outlet cutter 23, work as development
When rotated, the developing agent flown out from the contact position of developing element 20 with powder outlet cutter 23 can be in the resistance of first gear powder part 31 for element 20
Gear falls in the groove between first gear powder part 31 and powder outlet cutter 23, so that developing element 20 and powder outlet cutter 23 contact position
Developing agent will not fly out outside box body 10.
Specifically, box body 10 includes: accommodate storehouse 1a and developing chamber 1b, accommodates developing agent in accommodating storehouse 1a, accommodates storehouse 1a
Connect with developing chamber 1b.Agitating element 22 is positioned at receiving storehouse 1a, for stirring the developing agent accommodated in the 1a of storehouse, make developing agent from
Accommodate storehouse 1a to be stirred in developing chamber 11.Opening 101 is specifically located on developing chamber 1b, powder feeding element 21 and developing element 20
Being positioned at developing chamber 1b, developing element 20 is relative with opening 101, i.e. being partially exposed to outside box body 10 of developing element 20.Powder feeding
Element 21 sends the developing agent in developing chamber 1b to developing element 20, makes the surface of developing element 20 carry developing agent.The most just
Being to say, agitating element 22, powder feeding element 21 and developing element 20 are by rotating transmission developing agent.
When this Delevoping cartridge is applied on image processing system, Delevoping cartridge is releasably attached on image processing system,
Image processing system is provided with photo-sensitive cell, due to being partially exposed at outside box body 10 of developing element 20, developing element 20 and position
Sensing element contact outside box body 10, developing element 20 will be located in developing agent thereon and is sent on sensing element, makes sensing
Developed dose of the electrostatic latent image development formed on the surface of element.
The Delevoping cartridge that the present embodiment provides, by being provided above for stopping that unnecessary developing agent outwards flies out at powder outlet cutter
First gear powder part, make axially arranged along developing element of first gear powder part, the axial length of first gear powder part is not less than development
The axial length of element, thus by first gear powder part, the developing agent upwards flown out from developing element and powder outlet cutter contact position is kept off
Live, make developer container be contained between first gear powder part and powder outlet cutter in the space formed, thus prevent developing element and powder outlet cutter
The developing agent of contact position flies out that box body is outer and the phenomenon appearance that causes developing agent to be revealed.
In the present embodiment, powder outlet cutter 23 specifically comprises the steps that blade 231 and knife rest 232, and blade 231 is welded on knife rest 232
On, certainly, blade 231 can also be connected on knife rest 232 by other modes such as rivetings, and this utility model is to blade 231 He
The concrete connected mode of knife rest 232 is not construed as limiting.It addition, knife rest 232 is positioned on box body 10 by screw.In the present embodiment
Knife rest 232 specifically includes: contact site 232a and rib 232b, contact site 232a and rib 232b constitute L-shaped structure.Blade
Can be directly welded on contact site 232a, contact site 232a is provided with screwed hole, and contact site 232a and box body 10 are by running through
The screw of this screwed hole realizes connecting.It should be noted that in other implementations, knife rest 232 can also be by riveting etc.
Other modes are fixed on box body 10, and the concrete connected mode of this utility model cutter setting frame 232 and box body 10 is not limited thereto.
When implementing, first gear powder part 31 is laminated structure, and such as first gear powder part 31 can be by flaky resin material system
Become.First gear powder part 31 specifically includes: have default between fixed part 31b and gear powder portion 31a, fixed part 31b and gear powder portion 31a
Angle.In the present embodiment, this default angle is obtuse angle.During installation, the fixed part 31b of first gear powder part 31 is passed through bonding agent
(such as double faced adhesive tape) is connected on the rib 232b of knife rest 232, is now formed between gear powder portion 31a and powder outlet cutter 23 and accommodates sky
Between, when developing element 20 rotates, the developing agent flown out from developing element 20 and powder outlet cutter 23 contact position is blocked in this receiving
In space, thus do not fall out outside box body 10, it is to avoid pollute surrounding.Additionally, knife rest 232 can also only comprise contact site
232a, the fixed part 31b of first gear powder part 31 can be adhered directly onto the outer surface of box body 10.It should be noted that first gear
Powder part 31 can also be connected on powder outlet cutter 23 or box body 10 by other fixed forms, as long as being capable of first gear powder part 31
Fixing, this utility model to the concrete connected mode of first gear powder part 31 and powder outlet cutter 23 or box body 10 not as
Limit.
On the basis of above-described embodiment, further, box body 10 is provided with end at the two ends of corresponding developing element 20
Sealing member 34 (referring to the drawings shown in 2), end seal 34 contacts with the both ends of developing element 20.Specifically, developing element
20 include that main part 20a and steel axle 20b, main part 20a are positioned at outside steel axle 20b, and main part 20a is used for carrying developer layer,
The axial end of main part 20a and end seal 34 sliding contact.
The outer side-lower of developing element 20 is additionally provided with second gear powder part 32, second gear powder part 32 and the edge 102 of box body 10
Connecting, second gear powder part 32 falls to the developing agent outside box body 10 from developing element 20 for carrying, concrete it may be that second
Gear powder part 32 by bonding agent (such as double faced adhesive tape) along outside the edge 102 axially pasting box body 10 of developing element 20
Side, second gear powder part 32 is oppositely arranged with developing element 20, and not with the main part 20a sliding contact of developing element 20.Box body
Being additionally provided with diaphragm seal 33 on 10, specifically, diaphragm seal 33 passes through the bonding agent (such as double faced adhesive tape) axle along developing element 20
To the inner side at the edge 102 pasting box body 10, diaphragm seal 33 is positioned at below developing element 20, developing element 20 and diaphragm seal 33
Sliding contact.The inner side of the close diaphragm seal 33 at box body edge 102 is provided with oblique angle, second gear powder part 32, diaphragm seal 33 and oblique angle
Jointly enclose the receiving space being set as accommodating the developing agent dropped from developing element 20, thus stop developing agent to fall to box
Outside body 10, it is to avoid pollute surrounding.
Space is accommodated, from developing element it is to say, the present embodiment is formed between first gear powder part 31 and powder outlet cutter 23
20 developing agents flown out with powder outlet cutter 23 contact position can in the barrier effect in this receiving space falls into this receiving space, thus
Prevent developing agent from flying out to box body 10 from developing element 20 and powder outlet cutter 23 contact position.Meanwhile, second gear powder part 32 and sealing
Surround receiving space between sheet 33, box body edge 102, prevent developing agent from dropping out to box body 10 from the outside of developing element 20.
Thus in two different directions developing agent is stopped, it is to avoid developing agent is revealed and is polluted surrounding.
Embodiment two
The sectional view of the Delevoping cartridge that Fig. 6 provides for this utility model embodiment two.Fig. 7 is that this utility model embodiment two carries
The structural representation of first gear powder part in the Delevoping cartridge of confession.With reference to shown in Fig. 6 and Fig. 7, the present embodiment provides another kind of structure
Delevoping cartridge, the Delevoping cartridge of the present embodiment is with the difference of the Delevoping cartridge of embodiment one: the fixed part 31b of first gear powder part 31 and
Default angle between gear powder portion 31a is acute angle.
The fixed part 31b of first gear powder part 31 can be connected on the blade 231 of powder outlet cutter 23, it is also possible to is connected to powder delivery
On the contact site 232a of the knife rest of cutter 23.When specifically installing, fixed part 31b can be affixed directly on blade 231 or contact site
On 232a.Can arrange screw on powder outlet cutter 23, realize being spirally connected of powder outlet cutter 23 and box body 10 by this screw, this screw can set
Put on the contact site 232a of powder outlet cutter knife rest 232, it is also possible to be arranged on the rib 232b of knife rest 232.When this screw is arranged
When the contact site 232a of powder outlet cutter 23, and first gear powder part 31 is pasted onto on contact site 232a, now, in order to ensure first gear
The reliability being connected between the fixed part 31b and the contact site 232a of knife rest of powder part 31 and planarization, consolidating of first gear powder part 31
Determine to be additionally provided with on portion 31b and dodge hole 311b for dodge screw on contact site 232a.This is dodged the number of hole 311b and connects
The concrete number of the screw in contact portion 232a is consistent, and in the present embodiment, the two ends of the fixed part 31b of first gear powder part 31 are respectively
It is provided with one and dodges hole 311b.When screw is arranged on the rib 232b of knife rest 232, due to fixing of first gear powder part 31
Portion 31b is connected on contact site 232a or on blade 231, now, it is not necessary to arranges on the fixed part 31b of first gear powder part 31 and keeps away
Allow hole.
It addition, the default angle between fixed part 31b and gear powder portion 31a can also be right angle in the present embodiment.Additionally, this
First gear powder part 31 in embodiment can be made up of resin material, it is also possible to for the sponge of strip, the bottom of sponge pastes
On blade 231 and/or on the contact site 232a of knife rest 232.The side of sponge is as gear powder portion 31a, and sponge has one to developing agent
Fixed adsorption, so that more preferable to the blocking effect of developing agent, preferably prevent developing agent from flying out outside box body 10.
Other technologies feature is identical with embodiment one, and can reach identical technique effect, and this is no longer going to repeat them.
Embodiment three
The sectional view of the Delevoping cartridge that Fig. 8 provides for this utility model embodiment three.Fig. 9 is that this utility model embodiment three carries
The structural representation of first gear powder part in the Delevoping cartridge of confession.With reference to shown in Fig. 8 and Fig. 9, the present embodiment provides another structure
Delevoping cartridge, the Delevoping cartridge of the present embodiment is with the difference of the Delevoping cartridge of embodiment one: the fixed part 31b of first gear powder part 31 and
Powder portion 31a is in the same plane for gear, say, that the default angle between fixed part 31b and gear powder portion 31a is 180 °.
When specifically installing, it is possible to use bonding agent, such as double faced adhesive tape, directly fixed part 31b is pasted powder outlet cutter 23
On rib 232b.Wherein, if powder outlet cutter 23 is spirally connected with box body 10 by the screw being arranged on the rib 232b of knife rest,
Now on the fixed part 31b of first gear powder part 31, the position of corresponding screw is provided with and dodges hole 311b for dodge screw, thus
First gear powder part 31 is avoided to interfere with screw.Powder outlet cutter 23 is fixed on box body 10 by running through the screw of screw during installation,
Then by double faced adhesive tape, fixed part 31b is bonded on the knife rest 232 of powder outlet cutter 23.Certainly, screw can also be set directly at
On the contact site 232a of knife rest 232, now dodge hole without arranging on the fixed part 31b of first gear powder part 31.Certainly, first gear
The fixed part 31b of powder part 31 can also be connected directly between on box body 10.
Other technologies feature is identical with embodiment one, and can reach identical technique effect, and this is no longer going to repeat them.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, rather than it is limited
System;Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should
Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of
Technical characteristic carries out equivalent;And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of type each embodiment technical scheme.