CN214954527U - Gear side cover of developing box - Google Patents
Gear side cover of developing box Download PDFInfo
- Publication number
- CN214954527U CN214954527U CN202120540196.9U CN202120540196U CN214954527U CN 214954527 U CN214954527 U CN 214954527U CN 202120540196 U CN202120540196 U CN 202120540196U CN 214954527 U CN214954527 U CN 214954527U
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- Prior art keywords
- fixing groove
- annular fixing
- side cover
- positioning
- developing
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- Expired - Fee Related
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 abstract description 13
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
A gear side cover of a developing box is arranged at one side end of the developing box, a double-layer annular fixing groove and two positioning column holes are convexly arranged on the inner side of the gear side cover of the developing box, the double-layer annular fixing groove comprises an inner annular fixing groove and an outer annular fixing groove, centers of the inner annular fixing groove and the outer annular fixing groove are overlapped, a plurality of ribs are arranged on the outer peripheral surface of the inner annular fixing groove at intervals, and each rib is connected with the outer peripheral surface of the inner annular fixing groove, the inner peripheral surface of the outer annular fixing groove and the inner bottom surface; two positioning column holes are respectively arranged at the upper position and the lower position of the double-layer circular fixing groove, and the central connecting line of the two positioning column holes penetrates through the double-layer circular fixing groove. The utility model provides a developing box gear side cover, compact structure, installation effectiveness are high, save the cost, guarantee developing roller stable installation especially, improve user's result of use and guarantee the printing quality.
Description
Technical Field
The utility model relates to a printing consumables technical field especially relates to a development box gear side cover.
Background
The existing gear side cover is provided with a raised cylindrical groove through the inner side, a circular ring-shaped plastic fixing column is installed in the cylindrical groove, the inner circumferential surface of the cylindrical groove is in interference fit with the outer circumferential surface of the plastic fixing column, and when the gear side cover is installed on the side portion of the developing box body, the roller end of the developing roller is inserted into the circular ring-shaped plastic fixing column, so that the developing roller is fixed.
Therefore, the gear side cover of the prior developing box has the following defects: the roller end of the developing roller is inserted into the annular plastic fixing column to fix the developing roller, the plastic fixing column needs to be processed and installed, the assembly and processing cost is high, and a plurality of parts are provided; in addition, the plastic fixing column is easy to loosen in the transportation or installation process, so that the fixing of the developing roller is unstable, the printing quality is directly influenced, and even printing cannot be performed.
SUMMERY OF THE UTILITY MODEL
Problem to prior art exists, the utility model provides a developing box gear side cover has solved the technical problem who exists among the above-mentioned prior art, and this developing box gear side cover, compact structure, installation effectiveness are high, save the cost, guarantee developing roller stable installation especially, improve user's result of use and guarantee printing quality.
In order to achieve the above object, the present invention provides the following technical solutions:
a gear side cover of a developing box is installed at one side end of the developing box, a double-layer circular fixing groove and two positioning column holes are convexly arranged on the inner side of the gear side cover of the developing box, the double-layer circular fixing groove comprises an inner circular ring-shaped fixing groove and an outer circular ring-shaped fixing groove, centers of the inner circular ring-shaped fixing groove and the outer circular ring-shaped fixing groove are overlapped, a plurality of ribs are arranged on the outer peripheral surface of the inner circular ring-shaped fixing groove at intervals, and each rib is connected with the outer peripheral surface of the inner circular ring-shaped fixing groove, the inner peripheral surface of the outer circular ring-shaped fixing groove and the inner bottom surface of the outer circular ring-shaped fixing groove; the two positioning column holes are respectively arranged at the upper position and the lower position of the double-layer circular fixing groove, and the central connecting line of the two positioning column holes penetrates through the double-layer circular fixing groove.
Furthermore, four gear positioning cylindrical holes are convexly arranged at the middle position of the inner side of the gear side cover of the developing box at intervals.
Furthermore, three positioning connecting holes are convexly arranged on the inner side of the gear side cover of the developing box at intervals, and the three positioning connecting holes and the two positioning column holes are arranged around the four gear positioning cylindrical holes in a surrounding manner.
Furthermore, two positioning buckles are convexly arranged on the inner side of the gear side cover of the developing box and are respectively arranged on the upper part and the lower part of the gear side cover of the developing box.
The utility model has the advantages that:
the utility model provides a developing box gear side cover, it is installed at one side end of developing box, the inboard protruding double-deck ring form fixed slot and two locating post holes that are equipped with of this developing box gear side cover, double-deck ring form fixed slot include the interior annular fixed slot and the outer annular fixed slot of center coincidence, the outer peripheral face interval of interior annular fixed slot is equipped with a plurality of ribs, each rib connects the outer peripheral face of interior annular fixed slot, the inner peripheral surface and the interior bottom surface of outer annular fixed slot; two positioning column holes are respectively arranged at the upper position and the lower position of the double-layer circular fixing groove, and the central connecting line of the two positioning column holes penetrates through the double-layer circular fixing groove.
When installing this developing box gear side cover to a side of developing box, the annular fixed slot of circle is inserted to developing roller one end, and the annular fixed slot of circle is consolidated by the rib in the circle, guarantees that the connection of developing roller is stable, and meanwhile, two upper and lower locating post holes are inserted by the reference column that the side of developing box was established, further makes the connection of developing roller stable more reliable, need not to install the plastic fixed column in addition, and the installation effectiveness height is more sparingly the cost. The utility model provides a developing box gear side cover has solved the technical problem who exists among the prior art, and this developing box gear side cover, compact structure, installation effectiveness are high, save the cost, guarantee developing roller stable installation especially, improve user's result of use and guarantee the printing quality.
Drawings
Fig. 1 is a schematic structural view (inside) of a gear side cover of a developing cartridge according to an embodiment of the present invention;
fig. 2 is a schematic structural view (inside) of another view angle of the gear side cover of the developing cartridge according to the embodiment of the present invention;
fig. 3 is a schematic structural view (outside) of a further viewing angle of the gear side cover of the developing cartridge according to the embodiment of the present invention;
in the figure, 10-gear side cover of developing box, 11-inner side, 111-inner circular fixing groove, 112-outer circular fixing groove, 113-rib, 114-positioning column hole, 115-positioning column hole, 116-gear positioning column hole, 117-1-positioning connecting hole, 117-2-positioning connecting hole, 118-positioning buckle, 119-positioning buckle, 12-outer side
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, fig. 1 is a schematic structural view (inside) of a gear side cover of a developing cartridge in an embodiment of the present invention, fig. 2 is a schematic structural view (inside) of another viewing angle of the gear side cover of the developing cartridge in an embodiment of the present invention, and fig. 3 is a schematic structural view (outside) of another viewing angle of the gear side cover of the developing cartridge in an embodiment of the present invention.
This embodiment provides a developing box gear side cover 10, belongs to printing consumables technical field, and this developing box gear side cover 10, compact structure, installation effectiveness are high, save the cost, guarantee developing roller stable installation especially, improve user's result of use and guarantee printing quality.
Referring specifically to fig. 1-3, the present invention provides a gear side cover 10 for a developing cartridge, which is installed at one side of the developing cartridge, wherein the gear side cover 10 for a developing cartridge comprises an inner side 11 and an outer side 12, and the inner side 11 of the gear side cover 10 for a developing cartridge is convexly provided with a double-layer circular fixing groove and two positioning post holes.
Referring to fig. 1 and 2 in particular, the double-layer fixing groove includes an inner circular ring-shaped fixing groove 111 and an outer circular ring-shaped fixing groove 112, the centers of which coincide with each other, the outer circumferential surface of the inner circular ring-shaped fixing groove 111 is provided with a plurality of ribs 113 at intervals, each rib 113 connects the outer circumferential surface of the inner circular ring-shaped fixing groove 111, the inner circumferential surface and the inner bottom surface of the outer circular ring-shaped fixing groove 112, preferably, the plurality of ribs 113 are arranged around the outer circumferential surface of the inner circular ring-shaped fixing groove 111 at equal intervals, that is, arranged in a circular matrix with respect to the center of the inner circular ring-shaped fixing groove 111, and generally, arranged as six ribs 113.
With continued reference to fig. 1 and 2, the two positioning post holes include a positioning post hole 114 and a positioning post hole 115, the positioning post hole 114 and the positioning post hole 115 are respectively disposed at two upper and lower positions of the double-layer circular fixing groove, and a center connecting line of the positioning post hole 114 and the positioning post hole 115 passes through the double-layer circular fixing groove.
In this embodiment, when the developing cartridge gear side cover 10 is mounted to one side end of the developing cartridge, one end of the developing roller is inserted into the inner circular ring-shaped fixing groove 111, and the inner circular ring-shaped fixing groove 111 is reinforced by the rib 113, so as to ensure the stable connection of the developing roller, and meanwhile, two positioning post holes (the positioning post hole 114 and the positioning post hole 115) arranged above and below the double-layer circular ring-shaped fixing groove are inserted by the positioning posts arranged at the side end of the developing cartridge, so that the connection of the developing roller is further stable and reliable, no additional plastic fixing post is required to be mounted, and the mounting efficiency is high, and the cost is saved. To sum up, the gear side cover 10 of the developing box has the advantages of compact structure, high installation efficiency, cost saving, stable installation of the developing roller, improvement of the use effect of a user and guarantee of the printing quality.
In this embodiment, preferably, four gear positioning cylindrical holes 116 are further convexly provided at intervals in the middle position of the inner side 11 of the developing cartridge gear side cover 10, the four gear positioning cylindrical holes 116 are connected with four driving gears provided at the developing cartridge side end, and specifically, the connection columns of the driving gears are inserted into the gear positioning cylindrical holes 116 to realize connection.
In this embodiment, preferably, the inner side 11 of the gear side cover 10 of the developing cartridge further has three positioning connection holes protruding at intervals, each of the three positioning connection holes includes two positioning connection holes 117-1 and one positioning connection hole 117-2, and the three positioning connection holes (117-1, 117-2) and the two positioning column holes (114, 115) are surrounded around the four gear positioning cylindrical holes 116, so as to ensure the connection stability of the gear side cover 10 of the developing cartridge, and further ensure the stable installation of the developing roller.
In this embodiment, preferably, two positioning fasteners, namely a positioning fastener 118 and a positioning fastener 119, are further convexly disposed on the inner side 11 of the developing cartridge gear side cover 10, the positioning fastener 118 and the positioning fastener 119 are respectively disposed on the upper portion and the lower portion of the developing cartridge gear side cover 10, and one positioning connection hole 117-2 is disposed at a position between the upper and lower positioning fasteners 118(119), so as to ensure the connection stability of the developing cartridge gear side cover 10, and further ensure the stable installation of the developing roller.
The above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all the solutions should be covered in the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a development box gear side cover, its one side end of installing at development box which characterized in that:
the inner side of the gear side cover of the developing box is convexly provided with a double-layer annular fixing groove and two positioning column holes, the double-layer annular fixing groove comprises an inner annular fixing groove and an outer annular fixing groove, the centers of the inner annular fixing groove and the outer annular fixing groove are overlapped, a plurality of ribs are arranged on the outer peripheral surface of the inner annular fixing groove at intervals, and each rib is connected with the outer peripheral surface of the inner annular fixing groove, the inner peripheral surface of the outer annular fixing groove and the inner bottom surface of the outer annular fixing groove;
the two positioning column holes are respectively arranged at the upper position and the lower position of the double-layer circular fixing groove, and the central connecting line of the two positioning column holes penetrates through the double-layer circular fixing groove.
2. A developing cartridge gear edge cover according to claim 1, wherein: and four gear positioning cylindrical holes are convexly arranged in the middle of the inner side of the gear side cover of the developing box at intervals.
3. A developing cartridge gear edge cover according to claim 2, wherein: the inner side of the gear side cover of the developing box is also convexly provided with three positioning connecting holes at intervals, and the three positioning connecting holes and the two positioning column holes are arranged around the four gear positioning cylindrical holes in a surrounding manner.
4. A developing cartridge gear edge cover according to any one of claims 1 to 3, wherein: the inner side of the gear side cover of the developing box is also convexly provided with two positioning buckles, and the two positioning buckles are respectively arranged on the upper part and the lower part of the gear side cover of the developing box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120540196.9U CN214954527U (en) | 2021-03-16 | 2021-03-16 | Gear side cover of developing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120540196.9U CN214954527U (en) | 2021-03-16 | 2021-03-16 | Gear side cover of developing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214954527U true CN214954527U (en) | 2021-11-30 |
Family
ID=79040883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120540196.9U Expired - Fee Related CN214954527U (en) | 2021-03-16 | 2021-03-16 | Gear side cover of developing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214954527U (en) |
-
2021
- 2021-03-16 CN CN202120540196.9U patent/CN214954527U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |