CN202230301U - Developing roller end sealing part and developing box - Google Patents
Developing roller end sealing part and developing box Download PDFInfo
- Publication number
- CN202230301U CN202230301U CN 201120307922 CN201120307922U CN202230301U CN 202230301 U CN202230301 U CN 202230301U CN 201120307922 CN201120307922 CN 201120307922 CN 201120307922 U CN201120307922 U CN 201120307922U CN 202230301 U CN202230301 U CN 202230301U
- Authority
- CN
- China
- Prior art keywords
- developer roll
- seal
- developing
- inside surface
- delevoping cartridge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000741 silica gel Substances 0.000 claims abstract description 9
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000001746 injection moulding Methods 0.000 abstract 2
- 238000010030 laminating Methods 0.000 abstract 2
- 238000012856 packing Methods 0.000 description 5
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- -1 amido formate Chemical compound 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
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- Dry Development In Electrophotography (AREA)
Abstract
The utility model relates to a developer roll end seal and developer box, its developer roll end seal sets up between the end of the developer roll of developer box and the development frame, and this developer roll end seal has the seal main part that is got by PU or silica gel through hot press forming or injection moulding, and this seal main part has the internal surface of laminating with the end of developer roll to and the surface of laminating with the development frame, the internal surface with the surface is the circular arc curved surface; the developing box is characterized in that the developing roller end sealing piece is arranged between the end of the developing roller of the developing box and the developing frame. Because the end part sealing element of the developing roller is obtained by PU or silica gel through hot-press forming or injection molding, the inner surface and the outer surface of the end part sealing element of the developing roller are both arc curved surfaces, the shape is determined before the end part sealing element is arranged in the developing box, the two ends of the end part sealing element cannot be tilted like the existing end part sealing element of the developing roller when the end part sealing element is arranged in the developing box, the end part sealing element has better sealing effect, and the leakage of carbon powder can be effectively prevented.
Description
Technical field
The utility model relates to the sealing of developer roll end, more particularly, relates to a kind of developer roll end seal and Delevoping cartridge.
Background technology
In Delevoping cartridge, the end operated by rotary motion of developer roll has seal, and to prevent developer roll when rotation, the carbon dust on the developer roll is by the end leakage of developer roll.
A kind of developer roll end seal commonly used at present constitutes by the amido formate sponge with attached to the Teflon felt on the sponge, and wherein the amido formate sponge needs enough soft and has lower compression embedded quantity.The Teflon felt can be developed roller with enough pressure and push under the situation that need not to increase the turning moment that makes the developer roll rotation.
Because existing developer roll end seal; Being attached between the framework of Delevoping cartridge is a horizontal lamellar body, and the framework of its contact and developing roller surface all are curved surface, when this end seal is attached on the framework; Sponge is easily because of the pressure effect of length direction approximate mid-section; But the two ends perk, even break away from frame part, thereby cause that carbon dust leaks.
The utility model content
The technical matters that the utility model will solve is; The above-mentioned defective that exists carbon dust to leak hidden danger to the developer roll end seal of prior art; A kind of good sealing effect is provided, the development roller end end seal of carbon dust leakage and the Delevoping cartridge with this developer roll end seal can not take place.
The utility model solves the technical scheme that its technical matters adopted: construct a kind of developer roll end seal; Be arranged between the end and developing frame of developer roll of Delevoping cartridge; Said developer roll end seal has the seal body that is obtained through thermocompression forming or injection mo(u)lding by PU or silica gel; Said seal body has the inside surface of fitting with the end of said developer roll, and the outside surface of fitting with said developing frame, and said inside surface and said outside surface are circular arc camber.
In the described developer roll end seal of the utility model, the shape of said inside surface and developer roll with said inside surface fit the part shape be consistent.
In the described developer roll end seal of the utility model, the shape of said outside surface and developing frame with said outside surface fit the part shape be consistent.
In the described developer roll end seal of the utility model, said developer roll end seal also comprises the extended horizontal component of first end by said seal body, and by the extended vertical part of second end of said seal body.
In the described developer roll end seal of the utility model, said seal body has two convexities of two ends that lay respectively at said inside surface.
The utility model also provides a kind of Delevoping cartridge; Comprise the developing frame that is used to hold each parts of Delevoping cartridge, be used for electrostatic latent image is converted into the developer roll of visual image and the carbon dust that is used to regulate and control on the developing roller surface is the powder delivery cutter of one deck; Said powder delivery cutter is fixed on the said developing frame; The lower end of said powder delivery cutter contacts with developing roller surface; Be respectively equipped with the developer roll end seal between the both ends of said developer roll and the developing frame, said developer roll end seal has the seal body that is obtained through thermocompression forming or injection mo(u)lding by PU or silica gel, and said seal body has the inside surface of fitting with the end of said developer roll; And the outside surface of fitting with said developing frame, said inside surface and said outside surface are circular arc camber.
In the described Delevoping cartridge of the utility model, the shape of said inside surface and developer roll with said inside surface fit the part shape be consistent.
In the described Delevoping cartridge of the utility model, the shape of said outside surface and developing frame with said outside surface fit the part shape be consistent.
In the described Delevoping cartridge of the utility model, said developer roll end seal also comprises the extended horizontal component of first end by said seal body, and by the extended vertical part of second end of said seal body.
In the described Delevoping cartridge of the utility model, said seal body has two convexities of two ends that lay respectively at said inside surface.
Implement the developer roll end seal and the developer box of the utility model; Has following beneficial effect: because the developer roll end seal is obtained by PU or the silica gel mode through thermocompression forming or injection mo(u)lding; The inside surface of developer roll end seal and outside surface all are circular arc camber, and shape is confirmed before the Delevoping cartridge of packing into, two ends perk in the time of can not packing Delevoping cartridge into as existing developer roll end seal; Have better sealing effectiveness, can prevent effectively that carbon dust from leaking.
Description of drawings
To combine accompanying drawing and embodiment that the utility model is described further below, in the accompanying drawing:
Fig. 1 is the stereographic map of preferred embodiment of the developer roll end seal of the utility model;
Fig. 2 is the lateral plan of preferred embodiment of the developer roll end seal of the utility model;
Fig. 3 is the synoptic diagram of preferred embodiment of the Delevoping cartridge of the utility model;
Fig. 4 is an A-A profile among Fig. 3.
Embodiment
Understand for technical characterictic, purpose and effect to the utility model have more clearly, contrast the embodiment that accompanying drawing specifies the utility model at present.
As depicted in figs. 1 and 2, be a preferred embodiment of the developer roll end seal of the utility model, Fig. 3 is the synoptic diagram with Delevoping cartridge of this developer roll end seal, Fig. 4 then is an A-A profile among Fig. 3.
Referring to Fig. 4, the developer roll end seal 3 of the utility model is arranged between the end and developing frame 2 of developer roll 1 of Delevoping cartridge.Referring to Fig. 1 and Fig. 2, this developer roll end seal 3 has seal body 30, seal body 30 can be by PU (being polycarbamate) but or flexibility shaping material such as silica gel process, for example make through methods such as thermocompression forming or injection mo(u)ldings.Seal body 30 has the inside surface 31 of fitting with the end of developer roll 1, and the outside surface 32 of fitting with developing frame 2, and inside surface 31 is a circular arc camber with outside surface 32; Seal body 30 was finalized the design before the Delevoping cartridge of packing into; So seal can not occur as existing planar sheet structure, bend during owing to the dress Delevoping cartridge, the middle part receives the developer roll extruding back easy perk in two ends; The situation that carbon dust leaks can not appear in good sealing effect.
In the present embodiment; The shape of the inside surface 31 of seal body 30 and developer roll 1 with inside surface 31 fit the part shape be consistent; The shape of the outside surface 32 of seal body 30 and developing frame 2 with outside surface 32 fit the part shape be consistent; Like this, the end of seal body 30 complete filling material developer rolls 1 and the gap between the developing frame 2, the hidden danger that the carbon dust of stopping leaks.In the present embodiment; Developer roll end seal 3 also comprises by the extended horizontal component 33 of first end of said seal body 30; And by the extended vertical part 34 of second end of said seal body 30; The existence of part can make things convenient for the installation of developer roll end seal 3 on developing frame 2 like this.Further, better for sealing effectiveness, seal body 30 has two convexities 311,312 of two ends that lay respectively at inside surface 31.
Like Fig. 3 and shown in Figure 4; A preferred embodiment for the Delevoping cartridge that adopts above-mentioned developer roll end seal 3; The lip-deep carbon dust that this Delevoping cartridge comprises the developing frame 2 that is used to hold each parts of Delevoping cartridge, be used for electrostatic latent image is converted into the developer roll 1 of visual image and is used to regulate and control developer roll 1 is the powder delivery cutter 4 of one deck; Powder delivery cutter 4 is fixed on the said developing frame 2, and the lower end of powder delivery cutter 4 contacts with the surface of developer roll 1, is respectively equipped with developer roll end seal 3 between the both ends of developer roll 1 and the developing frame 2; Described in the preferred embodiment of the structure of developer roll end seal 3 such as above-mentioned developer roll end seal, repeat no more.
In the developer roll end seal and Delevoping cartridge of the utility model; Because the developer roll end seal is obtained by PU or the silica gel mode through thermocompression forming or injection mo(u)lding; The inside surface of developer roll end seal and outside surface all are circular arc camber, and shape is confirmed before the Delevoping cartridge of packing into, two ends perk in the time of can not packing Delevoping cartridge into as existing developer roll end seal; Have better sealing effectiveness, can prevent effectively that carbon dust from leaking.
Combine accompanying drawing that the embodiment of the utility model is described above; But the utility model is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under the enlightenment of the utility model; Not breaking away under the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection of the utility model.
Claims (10)
1. developer roll end seal; Be arranged between the end and developing frame (2) of developer roll (1) of Delevoping cartridge; It is characterized in that; Said developer roll end seal (3) has the seal body (30) that is obtained through thermocompression forming or injection mo(u)lding by PU or silica gel; Said seal body (30) has the inside surface (31) of fitting with the end of said developer roll (1), and the outside surface (32) of fitting with said developing frame (2), and said inside surface (31) and said outside surface (32) are circular arc camber.
2. developer roll end seal according to claim 1 is characterized in that, the shape of said inside surface (31) and developer roll (1) with said inside surface (31) fit the part shape be consistent.
3. developer roll end seal according to claim 1 is characterized in that, the shape of said outside surface (32) and developing frame (2) with said outside surface (32) fit the part shape be consistent.
4. developer roll end seal according to claim 1; It is characterized in that; Said developer roll end seal (3) also comprises the extended horizontal component of first end (33) by said seal body (30), and by the extended vertical part of second end of said seal body (30) (34).
5. developer roll end seal according to claim 1 is characterized in that, said seal body (30) has two convexities (311,312) of two ends that lay respectively at said inside surface (31).
6. Delevoping cartridge; The lip-deep carbon dust that comprises the developing frame (2) that is used to hold each parts of Delevoping cartridge, is used for electrostatic latent image is converted into the developer roll (1) of visual image and is used to regulate and control developer roll (1) is the powder delivery cutter (4) of one deck; Said powder delivery cutter (4) is fixed on the said developing frame (2); The lower end of said powder delivery cutter (4) contacts with the surface of developer roll (1); Be respectively equipped with developer roll end seal (3) between the both ends of said developer roll (1) and the developing frame (2); It is characterized in that said developer roll end seal (3) has the seal body (30) that is obtained through thermocompression forming or injection mo(u)lding by PU or silica gel, said seal body (30) has the inside surface (31) of fitting with the end of said developer roll (1); And the outside surface (32) of fitting with said developing frame (2), said inside surface (31) and said outside surface (32) they are circular arc camber.
7. Delevoping cartridge according to claim 6 is characterized in that, the shape of said inside surface (31) and developer roll (1) with said inside surface (31) fit the part shape be consistent.
8. Delevoping cartridge according to claim 6 is characterized in that, the shape of said outside surface (32) and developing frame (2) with said outside surface (32) fit the part shape be consistent.
9. Delevoping cartridge according to claim 6; It is characterized in that; Said developer roll end seal (3) also comprises the extended horizontal component of first end (33) by said seal body (30), and by the extended vertical part of second end of said seal body (30) (34).
10. Delevoping cartridge according to claim 6 is characterized in that, said seal body (30) has two convexities (311,312) of two ends that lay respectively at said inside surface (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120307922 CN202230301U (en) | 2011-08-23 | 2011-08-23 | Developing roller end sealing part and developing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120307922 CN202230301U (en) | 2011-08-23 | 2011-08-23 | Developing roller end sealing part and developing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202230301U true CN202230301U (en) | 2012-05-23 |
Family
ID=46080884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120307922 Expired - Fee Related CN202230301U (en) | 2011-08-23 | 2011-08-23 | Developing roller end sealing part and developing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202230301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017015904A (en) * | 2015-06-30 | 2017-01-19 | キヤノン株式会社 | Sealing member, unit, and image forming apparatus |
-
2011
- 2011-08-23 CN CN 201120307922 patent/CN202230301U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017015904A (en) * | 2015-06-30 | 2017-01-19 | キヤノン株式会社 | Sealing member, unit, and image forming apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20200823 |