CN216848473U - Box and sealing structure thereof - Google Patents
Box and sealing structure thereof Download PDFInfo
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- CN216848473U CN216848473U CN202121471266.6U CN202121471266U CN216848473U CN 216848473 U CN216848473 U CN 216848473U CN 202121471266 U CN202121471266 U CN 202121471266U CN 216848473 U CN216848473 U CN 216848473U
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- frame
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Abstract
The utility model discloses a box and seal structure thereof relates to seal structure technical field. The utility model discloses a locate the sealing member and treat between the sealed portion of joining in marriage of contact, a serial communication port, including the concave part, and the concave part is located the sealing member and is treated between the sealed portion of joining in marriage of contact. The utility model discloses a set up the concave part between first installation department, second installation department and sealing member, sealed glue is injected into through the concave part, fills in sensitization drum box and developing box and the narrow and small clearance bottom between the sealing member, increase the leakproofness of device that can be better, effectively prevents that the carbon dust from spilling from handling the narrow and small clearance of box in whole sealing member, appears leaking the powder phenomenon, influences the processing box print quality, effectively avoids the risk that the developer was revealed to the leakproofness of processing box has been promoted.
Description
Technical Field
The utility model belongs to the technical field of seal structure, especially, relate to a box and seal structure thereof.
Background
In an electrophotographic image forming apparatus such as a laser printer, a copying machine, a facsimile machine, etc., there is generally a process cartridge which is detachable from the electrophotographic image forming apparatus. The existing processing box mainly comprises: an integral type process cartridge that brings together the photosensitive drum cartridge and the developing cartridge, and a split type process cartridge that includes only the photosensitive drum cartridge or the developing cartridge. In the integral type process cartridge, the developing cartridge and the photosensitive drum cartridge are rotatably coupled together. In the split type process cartridge, the developing cartridge is detachably assembled in the photosensitive drum cartridge. The photosensitive drum cartridge includes a photosensitive frame, a cleaning blade, and a seal, and the developing cartridge includes a developing frame, a powder discharge blade, and a seal. Generally, the cleaning blade is fastened to a mounting plane of the photosensitive frame by screws, and a sealing member is disposed near the mounting plane. The powder outlet knife is also fixed on the mounting plane of the developing frame through screws, and a sealing piece is also arranged near the mounting plane. The sealing member is typically a sponge or a flexible rubber, etc.
Most of the existing installation plane side walls are close to the sealing element, however, no matter the sealing element is installed by a machine or a person, a gap always exists between the sealing element and the side walls, and because the narrow gap exists in the process that the sealing element is close to the side walls by taking the installation surface side walls as a reference during installation, the narrow gap still cannot be eliminated after all accessories are installed; the existing production process adopts the injection of fluid sealant into the narrow gap between the side wall and the sealing element. However, for the sealant with too low fluidity, narrow gaps cannot be completely filled, and if the sealant with better fluidity is adopted, the sealant is easy to run off, so that the processing box cannot be completely sealed. There is a risk that the developer inside the process cartridge leaks.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a box and seal structure thereof has solved current processing box and has had the technical problem of the risk that the developer revealed.
In order to achieve the purpose, the utility model is realized by the following technical proposal:
a sealing structure is arranged between a sealing piece and an adjacent part to be in contact sealing, and is characterized by comprising a concave part, wherein the concave part is arranged between the sealing piece and the adjacent part to be in contact sealing.
A photosensitive drum cartridge has the seal structure described above.
Optionally, the cleaning device comprises a photosensitive frame, two first installation parts respectively located at two sides of the photosensitive frame, a cleaning scraper installed between the two first installation parts, and a photosensitive drum installed between the opposite inner sides of the photosensitive frame.
Optionally, the sealing member is disposed between both sides of the first mounting portion and the photosensitive frame, and the recess is disposed between the first mounting portion and the sealing member.
A developing cartridge having the sealing structure as described in any one of the above.
Optionally, the developing frame, two second mounting portions respectively located at two sides of the developing frame, the powder discharging knife installed between the two second mounting portions, and the developing roller installed between the opposite inner sides of the developing frame, and the sealing members are respectively located at two sides of the developing frame and between the two second mounting portions, and the recess is located between the second mounting portions and the sealing member.
A process cartridge having the photosensitive drum cartridge or having the developing cartridge as described in any one of the above.
Optionally, the photosensitive drum is installed on the opposite inner side of the photosensitive frame, a first installation plane is arranged on one side of the first installation part, one side of the cleaning scraper corresponds to the two first installation planes, and the cleaning scraper is located on one side of the photosensitive drum.
Optionally, the developing roller is installed on the opposite inner side of the developing frame, the sealing members are respectively located at two ends of the developing roller, a second installation plane is arranged on one side of the second installation part, one side of the powder discharging knife corresponds to the two second installation planes, and the powder discharging knife is located on one side of the developing roller.
Optionally, the photosensitive drum is rotationally matched with the photosensitive frame, the developing roller is rotationally matched with the developing frame, and one side of the cleaning scraper and one side of the powder outlet knife are both attached to the concave portion.
Optionally, the abutting portion is located on the opposite side of the first installation portion and the second installation portion, the horizontal height of the sealing element is higher than the first installation plane and the second installation plane, the sealing element is in interference fit with the cleaning scraper and the powder discharging blade, the end portion of the sealing element is connected with the concave portion to form a notch, the sealing element, the cleaning scraper and the concave portion form a first accommodating cavity, and the sealing element, the powder discharging blade and the concave portion form a second accommodating cavity.
The embodiment of the utility model has the following beneficial effect:
the utility model discloses an embodiment is through setting up the concave part between first installation department, second installation department and sealing member, sealed glue is injected into through the concave part, fills in sensitization drum box and developing box and the narrow and small clearance bottom between the sealing member, increase the leakproofness of device that can be better, effectively prevents that the carbon dust from spilling from handling the narrow and small clearance of box in whole sealing member, appears leaking the powder phenomenon, influences the processing box printing quality, effectively avoids the risk that the developer was revealed to the leakproofness of handling the box has been promoted.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of an assembled three-dimensional structure of a process cartridge and a photosensitive drum cartridge according to an embodiment of the present invention;
FIG. 2 is a schematic view of an assembled three-dimensional structure of a photosensitive frame and a cleaning blade according to an embodiment of the present invention;
fig. 3 is a schematic view of an assembled three-dimensional structure of the photosensitive frame and the sealing member according to an embodiment of the present invention;
FIG. 4 is a schematic view of a three-dimensional structure of a photosensitive frame assembly according to an embodiment of the present invention;
FIG. 5 is a schematic view of the structure at A in FIG. 4;
fig. 6 is a schematic perspective view of an assembled cleaning blade according to an embodiment of the present invention;
FIG. 7 is a schematic view of the structure at B in FIG. 6;
fig. 8 is a schematic perspective view illustrating an assembly of a developing frame and a doctor blade according to an embodiment of the present invention;
FIG. 9 is a schematic view of the structure of FIG. 8 at C;
fig. 10 is a perspective view of a development frame assembly according to an embodiment of the present invention;
fig. 11 is a schematic structural view at D in fig. 10.
Wherein the figures include the following reference numerals:
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.
Referring to fig. 1 to 11, in the present embodiment, a sealing structure is provided, including: is arranged between the sealing element 10 and the abutting part 6 to be contact sealed, and is characterized by comprising a concave part 5, and the concave part 5 is arranged between the sealing element 10 and the abutting part 6 to be contact sealed.
A photosensitive drum cartridge has the seal structure described above.
Referring to fig. 2-3, the present embodiment includes a photosensitive frame 1, two first mounting portions 3 respectively located at two sides of the photosensitive frame 1, a cleaning blade 2 installed between the two first mounting portions 3, and a photosensitive drum 4 installed between opposite inner sides of the photosensitive frame 1, as shown in fig. 3-4, a sealing member 10 is disposed between two sides of the first mounting portions 3 and the photosensitive frame 1, and a recess 5 is disposed between the first mounting portions 3 and the sealing member 10. The sealant is injected into and fills the narrow bottom of the gap between the photosensitive frame 1 and the cleaning scraper 2 and between the sealing element 10 through the concave part 5, so that the sealing performance is better increased, and the phenomenon that the toner leaks from the gap to the processing box in the whole sealing element 10 to cause the toner leakage phenomenon and influence the printing quality of the processing box is prevented.
A developing cartridge has the sealing structure as described above.
Referring to fig. 8-9, the present embodiment includes a developing frame 7, two second mounting portions 9 respectively disposed at two sides of the developing frame 7, a doctor blade 8 disposed between the two second mounting portions 9, and a developing roller 11 disposed between opposite inner sides of the developing frame 7, as shown in fig. 10-11, wherein sealing members 10 are respectively disposed at two sides of the developing frame 7 and between the two second mounting portions 9, and a recess 5 is disposed between the second mounting portions 9 and the sealing members 10. And sealant is injected into and fills the narrow bottom of the gap between the developing frame 7 and the powder outlet knife 8 as well as the sealing element 10 through the concave part 5, so that the sealing performance is better increased, and the phenomenon that the printing quality of the processing box is influenced due to the phenomenon that the powder leaks because the carbon powder leaks out of the gap in the whole sealing element is prevented.
The application of one aspect of the embodiment is as follows: when the processing box needs to be sealed, the sealing elements 10 are firstly respectively installed on the photosensitive frame 1 and the developing frame 7, then the sealant is injected into the narrow gap bottom between the photosensitive frame 1 and the cleaning scraper 2 as well as the sealing elements 10 through the concave part 5, the developing frame 7 and the narrow gap bottom between the powder outlet knife 8 as well as the sealing elements 10 are simultaneously sealed, and finally the cleaning scraper 2 and the powder outlet knife 8 are respectively installed on the first installation part 3 and the second installation part 9, so that the cleaning scraper 2 and one side of the powder outlet knife 8 are covered at the concave part 5, the sealing elements 10 and the cleaning scraper 2, and the two ends of the powder outlet knife 8 are in interference fit, thereby ensuring that the developer cannot leak outwards, and further completing the sealing of the processing box.
Through at first installation department 3, set up concave part 5 between second installation department 9 and the sealing member 10, sealed glue pours into through concave part 5, fills up in sensitization drum box and the developing box and the sealing member 10 between narrow and small clearance bottom, increase the leakproofness of device that can be better, effectively prevent that the carbon dust from spilling from handling the box in the narrow and small clearance of box in whole sealing member 10, the powder phenomenon appears leaking, influence and handle box printing quality, effectively avoid the risk that the developer revealed, thereby the leakproofness of handling the box has been promoted.
A process cartridge having the photosensitive drum cartridge or having the developing cartridge as described in any one of the above.
The photosensitive drum 4 and the photosensitive frame 1 of the embodiment are rotationally matched, the developing roller 11 and the developing frame 7 are rotationally matched, and one side of the cleaning blade 2 and one side of the powder outlet blade 8 are attached to the concave part 5. The sealing member 10 seals two ends of the developing roller 11, the powder outlet blade 8 is used for adjusting the thickness of the surface layer of the developing roller 11, and the cleaning blade 2 is used for cleaning residual carbon powder on the photosensitive drum 4.
The abutting part 6 of the embodiment is positioned at the opposite side of the first mounting part 3 and the second mounting part 9, the end part of the sealing member 10 is connected with the concave part 5 to form a notch, the sealing member 10, the cleaning scraper 2 and the concave part 5 form a first accommodating cavity, and the sealing member 10, the powder discharging blade 8 and the concave part 5 form a second accommodating cavity. Sealing member 10's level is higher than first installation department 3, second installation department 9, sealing member 10 and clean scraper 2, 8 interference fit of powder-discharging knife, effectively avoid the developer to leak, sealing member 10 generally is the rubber of sponge or flexible material, detachable installs at first installation department 3, one side of second installation department 9, can effectively prevent that the quick flow of glue that mobility is strong from spilling the processing box outside, sealed glue fills in from the notch, then sealed glue fills up first chamber that holds through the notch, the second holds the chamber, seal up the processing box.
The above embodiments may be combined with each other.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Claims (2)
1. A sealing structure is arranged between a sealing piece (10) and an abutting part (6) to be in contact sealing, and is characterized by comprising a concave part (5), wherein the concave part (5) is arranged between the sealing piece (10) and the abutting part (6) to be in contact sealing;
a cartridge includes a photosensitive drum cartridge, a developing cartridge;
the photosensitive drum box comprises a photosensitive frame (1), two first installation parts (3) which are respectively positioned at two sides of the photosensitive frame (1), a cleaning scraper (2) arranged between the two first installation parts (3), and a photosensitive drum (4) arranged between the opposite inner sides of the photosensitive frame (1);
the sealing pieces (10) are arranged between the two sides of the first mounting part (3) and the photosensitive frame (1), and the concave parts (5) are arranged between the first mounting part (3) and the sealing pieces (10);
the developing box comprises a developing frame (7), two second installation parts (9) which are respectively positioned at two sides of the developing frame (7), a powder outlet knife (8) arranged between the two second installation parts (9), and a developing roller (11) arranged between the opposite inner sides of the developing frame (7), wherein a sealing element (10) is respectively arranged at two sides of the developing frame (7) and between the two second installation parts (9), and a concave part (5) is arranged between the second installation parts (9) and the sealing element (10).
2. A cartridge further comprising a process cartridge, characterized by having the photosensitive drum cartridge or the developing cartridge according to claim 1;
the photosensitive drum (4) is in running fit with the photosensitive frame (1), the developing roller (11) is in running fit with the developing frame (7), and one sides of the cleaning scraper (2) and the powder outlet knife (8) are attached to the concave part (5);
the abutting part (6) is located on the opposite side of the first mounting part (3) and the second mounting part (9), the end part of the sealing piece (10) is connected with the concave part (5) to form a notch, the sealing piece (10), the cleaning scraper (2) and the concave part (5) form a first accommodating cavity, and the sealing piece (10), the powder discharging blade (8) and the concave part (5) form a second accommodating cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121471266.6U CN216848473U (en) | 2021-06-30 | 2021-06-30 | Box and sealing structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121471266.6U CN216848473U (en) | 2021-06-30 | 2021-06-30 | Box and sealing structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216848473U true CN216848473U (en) | 2022-06-28 |
Family
ID=82081977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121471266.6U Active CN216848473U (en) | 2021-06-30 | 2021-06-30 | Box and sealing structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216848473U (en) |
-
2021
- 2021-06-30 CN CN202121471266.6U patent/CN216848473U/en active Active
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