CN210038442U - Fixing device of photographic fixing lower roller - Google Patents
Fixing device of photographic fixing lower roller Download PDFInfo
- Publication number
- CN210038442U CN210038442U CN201921133186.2U CN201921133186U CN210038442U CN 210038442 U CN210038442 U CN 210038442U CN 201921133186 U CN201921133186 U CN 201921133186U CN 210038442 U CN210038442 U CN 210038442U
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- China
- Prior art keywords
- fixing
- recess
- roller
- groove
- fixing device
- Prior art date
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- Expired - Fee Related
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Fixing For Electrophotography (AREA)
Abstract
The utility model provides a fixing device of a lower roller of a fixing device, which is fixedly arranged in a box body shell, the fixing device comprises a first fixing part and a second fixing part, wherein the rear side of the first fixed part is fixedly connected with the inner side wall of the box body shell, the front side of the first fixed part is provided with a dent with an opening at the right side, a bearing is detachably arranged in the recess, the right end of the lower fixing roller is inserted into the bearing, a bulge is fixedly arranged at the left side of the second fixing part, a second groove is arranged at the right side of the bottom of the first fixing part, the fixed fixture block that is provided with on the top lateral wall of second recess, be provided with on the second fixed part with fixture block complex draw-in groove, borrow this, the utility model has the advantages of the convenience is dismantled the photographic fixing lower roll from the box shell through first fixed part and second fixed part.
Description
Technical Field
The utility model belongs to the technical field of printer and accessory, in particular to lower roller fixing device of photographic fixing.
Background
At present, a fixing roller is a main device for fixing a printed toner image by a printer, and is a key component of a fixing part of the printer. The fixing device consists of an upper fixing roller and a lower fixing roller, wherein the upper fixing roller is positioned at the upper part of the fixing device, and the high temperature required by fixing is transferred from the upper fixing roller to the carbon powder image applied to the printing paper. It is a hollow tube of aluminium, its outer layer is coated with high-temp. resistant chemical coating film, the hollow portion is used for producing high-temp. fixing lamp tube, the coating film portion is generally black, also has other colours, and is glossy, its two ends are thinner, and is used for fixing and mounting driving gear, the middle of lower fixing roller is a steel solid roller, and its middle portion correspondent to upper fixing roller is covered with a rubber layer whose thickness is about 0.8CM, and on the rubber layer a thin high-temp. resistant chemical film is covered, and its main function is to press upper fixing roller, and the lower fixing roller is not self-driven, and its rotating power is from friction of upper fixing roller when it is rotated, and its rotation and upper fixing roller can make the carbon powder image be fixed by means of high-temp. and can be transferred into paper-out disk of copying machine, and its Chinese patent number is: CN208270948 discloses a toner cartridge for laser printer capable of being filled with toner, wherein the upper fixing roller is driven to rotate by a driving device located inside the casing of the casing, and the two ends of the lower fixing roller are rotatably arranged inside the casing of the casing.
However, in the prior art, only the upper fixing roller can be detached and cleaned, the carbon powder adhered to the surface of the upper fixing roller can be stained on the surface of the lower fixing roller after long-time use, and the lower fixing roller in the prior art is directly connected with the box shell, so that the lower fixing roller can only be simply wiped in the box due to the fact that the lower fixing roller cannot be detached and cleaned, and the fixing device of the lower fixing roller is specially provided, so that the fixing roller can be detachably arranged on the inner surface of the box shell, and the lower fixing roller is convenient to clean.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fixing device of photographic fixing lower roll for the photographic fixing roller can be dismantled and set up on the internal surface of box shell, is convenient for clean photographic fixing lower roll.
The technical scheme of the utility model is realized like this: a fixing device of a lower fixing roller is fixedly arranged in a box body shell, the box body shell is internally provided with a lower fixing roller, the fixing device is symmetrically arranged at the left side and the right side of the lower fixing roller and comprises a first fixing part and a second fixing part, wherein the rear side of the first fixing part is fixedly connected with the inner side wall of the box body shell, the front side of the first fixing part is provided with a recess with an opening at the left side, a bearing is detachably arranged in the recess, the right end of the fixing roller is inserted into the bearing, the right side of the top of the first fixing part is provided with a first groove, the top and the right side of the first groove are both communicated with the interior of the box body shell, the left side of the second fixing part is fixedly provided with bulges which are inserted into the first groove and are hinged with the left side wall and the right side wall of the first groove, the right side of the bottom, the second fixing part is provided with a clamping groove matched with the clamping block.
The rear side of the first fixing part is fixedly connected with the inner surface of the box shell, so that the first fixing part is fixed on the box shell, the first groove and the second groove are respectively positioned at the top and the bottom of the first fixing part, the first groove is hinged with the bulge at the rear side of the second fixing part, namely, the second fixing part can realize the rotation at the right side of the first fixing part through the matching between the bulge and the first groove, the right side of the recess on the front side wall of the first fixing part is opened, so that the opening can be closed or opened through the rotation of the second fixing part, when the recess is closed by the second fixing part, the fixture block in the second groove is inserted into the groove at the bottom of the second fixing part, the second fixing part can be fixed at the right side of the first fixing part, therefore, the bearing can be clamped in the recess by the left side of the second fixing part, the lower roller is fixed with the bearing, namely, the fixing can be installed in the box shell through, when the upper fixing roller rotates, the lower fixing roller can rotate along with the upper fixing roller through bearings at two ends.
When the lower fixing roller needs to be cleaned, the lower fixing roller needs to be detached from the interior of the box body shell, and the process is as follows: the fixture block is taken out from the inside draw-in groove, rotate the second fixed part right side at first fixed part again, make the left side and the first fixed part right side separation of second fixed part, expose after opening sunken front side, take out the bearing from sunken inside this moment again, with bearing fixed connection's photographic fixing lower roll and box shell's lateral wall separation promptly, can take out the photographic fixing lower roll from the box is inside, be convenient for with the dismantlement and the installation of photographic fixing lower roll in box shell is inside, make the change of photographic fixing lower roll or clearance more convenient.
As a preferred embodiment, the bulge is provided with a round through hole which penetrates through the bulge from front to back, the first groove is internally and fixedly provided with a cylindrical connecting rod, and the connecting rod is rotatably arranged inside the through hole, so that the bulge and the first groove can be matched with each other through the connecting rod and the through hole, and the bulge is convenient to rotate inside the first groove.
As a preferred embodiment, the left side of the protrusion is provided with an arc shape, which facilitates the rotation of the protrusion inside the first groove.
As a preferred embodiment, the recess includes a first recess disposed at the left side of the first fixing portion and a second recess disposed at the right side of the first fixing portion, the right side of the first recess communicates with the left side of the second recess, the width of the left side of the second recess is smaller than that of the left side of the second recess, the width of the joint of the first recess and the second recess is the same as the diameter of the bearing, so that the bearing is clamped in the recess through the joint of the first recess and the second recess, and the bearing can be taken out from the inside of the recess through the front side of the second recess, so that the bearing and the recess can be disassembled more conveniently.
As a preferred embodiment, the first recess is provided in any one of an arc shape and a quadrangular shape, the arc shape is provided to facilitate engagement with the rear side of the bearing, and the quadrangular shape is provided such that the rear side of the bearing is spaced apart from the rear side wall of the first recess to facilitate removal of the bearing from the inside of the recess.
As a preferred embodiment, the fixture block is arranged in an inverted trapezoid shape with a narrow bottom and a wide top, the left side of the top of the fixture block is arranged in parallel with the left side wall of the first fixing portion, and the bottom of the fixture block is arranged in an arc shape, so that the fixture block can be conveniently inserted into the clamping groove.
As a preferred embodiment, a cylindrical pull rod is fixedly arranged on the right side of the bottom of the second fixing portion, and a plurality of anti-slip protrusions are fixedly arranged on the surface of the pull rod, so that the second fixing portion can be conveniently driven to rotate on the right side of the first fixing portion.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
1. the lower fixing roller is convenient to detach and mount in the box body shell through the matching of the first fixing part and the second fixing part, so that the lower fixing roller is more convenient to replace or clean;
2. the bearing can be clamped in the recess through the matching between the first fixing part and the second fixing part, so that the bearing is more convenient to replace or disassemble;
3. through the cooperation between fixture block and the draw-in groove, be convenient for fix the second fixed part on first fixed part, perhaps split first fixed part and second fixed part.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
In the figure, 1-a lower fixing roller; 2-a fixing device; 21-a first fixed part; 22-a second fixed part; 211-recess; 212-a bearing; 213-a first groove; 214-a second groove; 215-a cartridge; 221-a bump; 222-a card slot; 223-a pull rod; 2111-first recess; 2112-second recess; 2131-a connecting rod; 2211-through holes; 2231 anti-skid bumps.
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 efforts belong to the protection scope of the present invention.
As shown in FIG. 1, a fixing device of a lower fixing roller is fixedly arranged in a box body shell, the lower fixing roller 1 is arranged in the box body shell, the fixing device 2 is symmetrically arranged at the left side and the right side of the lower fixing roller 1, the fixing device 2 comprises a first fixing part 21 and a second fixing part 22, wherein the rear side of the first fixing part 21 is fixedly connected with the inner side wall of the box body shell, the front side of the first fixing part 21 is provided with a recess 211 with an opening at the left side, a bearing 212 is detachably arranged in the recess 211, the right end of the lower fixing roller 1 is inserted into the bearing 212, the right side of the top of the first fixing part 21 is provided with a first groove 213, the top and the right side of the first groove 213 are both communicated with the interior of the box body shell, the left side of the second fixing part 22 is fixedly provided with a bulge 221 which is inserted into the first groove 213 and is hinged with the left side wall and the, a latch 215 is fixedly arranged on the top side wall of the second recess 214, and a latch slot 222 matched with the latch 215 is arranged on the second fixing portion 22.
The rear side of the first fixing portion 21 is integrally formed with the inner surface of the housing, so that the first fixing portion 21 is fixed on the housing, the first recess 213 and the second recess 214 are respectively located at the top and the bottom of the first fixing portion 21, the first recess 213 is hinged to the protrusion 221 at the left side of the second fixing portion 22, i.e. the second fixing portion 22 can rotate at the right side of the first fixing portion 2 by the cooperation between the protrusion 221 and the first recess 213, and the left side of the recess 211 on the front side wall of the first fixing portion 21 is opened, so that the opening can be closed or opened by the rotation of the second fixing portion 22, when the recess 211 is closed by the second fixing portion 22, the latch 215 in the second recess 214 is inserted into the latch slot 222 at the bottom of the second fixing portion 22, so that the second fixing portion 22 can be fixed at the right side of the first fixing portion 21, so that the bearing 212 can be latched in the recess 211, the lower fixing roller 1 is fixed with the bearing 212, that is, the lower fixing roller 1 can be installed in the casing through the cooperation of the first fixing part 21 and the second fixing part 22, and when the upper fixing roller rotates, the lower fixing roller 1 can rotate along with the upper fixing roller through the bearing 212 at the two ends.
When the lower fixing roller 1 needs to be cleaned, the lower fixing roller 1 needs to be detached from the interior of the box body shell, and the process is as follows: the fixture block 215 is drawn out from the inside of the clamping groove 222, and the second fixing portion 22 is rotated upwards on the right side of the first fixing portion 21, so that the left side of the second fixing portion 22 is separated from the rear side of the first fixing portion 21, the opening on the right side of the recess 211 is exposed, the bearing 212 is taken out from the inside of the recess 211 at the moment, namely, the lower fixing roller 1 fixedly connected with the bearing 212 is separated from the side wall of the box shell, the lower fixing roller 1 can be taken out from the inside of the box, the lower fixing roller 1 can be conveniently detached and installed in the inside of the box shell, and the lower fixing roller 1 can be replaced or cleaned more conveniently.
The protrusion 221 is provided with a circular through hole 2211 which penetrates through the front and the back, a cylindrical connecting rod 2131 is fixedly arranged in the first groove 213, and the connecting rod 2131 is rotatably arranged in the through hole 2211, so that the protrusion 221 and the first groove 213 can be matched with each other through the connecting rod 2131 and the through hole 2211, and the protrusion 221 can conveniently rotate in the first groove 213. The left side of protruding 221 sets up to the arc, and the inner wall of first recess 213 also sets up to the arc, and the radian of first recess 213 inner wall is greater than the radian of protruding 221 rear side, and the arch 221 of being convenient for rotates inside first recess 213, and the contact surface between protruding 221 and the first recess 213 sets up to the arc reduces the resistance that the rotation received.
The recess 211 includes a first recess 2111 provided at the left side of the first fixing portion 21 and a second recess 2112 provided at the right side of the first fixing portion 21, the right side of the first recess 2111 communicates with the left side of the second recess 2112, the width of the left side of the second recess 2112 is smaller than the width of the rear side of the second recess 2112, the width of the junction of the first recess 2111 and the second recess 2112 is the same as the diameter of the bearing 212, so that the bearing 212 is caught in the recess 211 by the junction of the first recess 2111 and the second recess 2112, and the bearing 212 can be taken out from the inside of the recess 211 through the front side of the second recess 2112, so that the detachment between the bearing 212 and the recess 211 is more convenient. The first recess 2111 is formed in any one of an arc shape and a quadrangular shape, the arc shape is formed to be easily engaged with the rear side of the bearing 212, and the quadrangular shape is formed to allow the right side of the bearing 212 to be spaced apart from the upper and lower side walls of the second recess 2112, thereby allowing the bearing 212 to be easily taken out of the recess 211.
The fixture block 215 is in an inverted trapezoid shape with a narrow bottom and a wide top, the right side of the top of the fixture block 215 is flush with the right side wall of the first fixing portion 21, the bottom of the fixture block 215 is in an arc shape, and the left side wall of the clamping groove 222 is in an arc shape, so that the fixture block 215 can be conveniently inserted into the clamping groove 222. The right side of the bottom of the second fixing portion 22 is integrally formed with a cylindrical pull rod 223, and the pull rod 223 is fixedly provided with a plurality of anti-slip protrusions 2231 on the surface, so as to drive the second fixing portion 22 to rotate on the right side of the first fixing portion 21.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A fixing device of a lower fixing roller is fixedly arranged in a box body shell, the box body shell is internally provided with a lower fixing roller, the fixing device is symmetrically arranged at the left side and the right side of the lower fixing roller, and is characterized in that the fixing device comprises a first fixing part and a second fixing part, wherein the rear side of the first fixing part is fixedly connected with the inner side wall of the box body shell, the front side of the first fixing part is provided with a recess with an opening at the right side, a bearing is detachably arranged in the recess, the right end of the lower fixing roller is inserted into the bearing, the right side of the top of the first fixing part is provided with a first groove, the top and the right side of the first groove are both communicated with the inside of the box body shell, the left side of the second fixing part is fixedly provided with bulges which are inserted into the first groove and are hinged with the front side wall and the rear side wall of the first groove, the clamping block is fixedly arranged on the side wall of the top of the second groove, and the clamping groove matched with the clamping block is formed in the second fixing portion.
2. The fixing device of a lower roller for fixing as claimed in claim 1, wherein said protrusion is provided with a circular through hole passing through from front to back, and said first groove is fixedly provided therein with a cylindrical connecting rod rotatably disposed inside the through hole.
3. A fixing device of a lower roller for fixing as claimed in claim 1, wherein a left side of said projection is provided in an arc shape.
4. The fixing device of a lower fixing roller according to claim 1, wherein the recess includes a first recess provided at a left side of the first fixing portion and a second recess provided at a right side of the first fixing portion, a right side of the first recess communicates with a left side of the second recess, a width of the left side of the first recess is smaller than a width of the left side of the second recess, and a width of a junction of the first recess and the second recess is the same as a diameter of the bearing.
5. The fixing device of a lower roller for fixing according to claim 4, wherein the first recess is provided in any one of an arc shape and a quadrangular shape.
6. The fixing device of a lower fixing roller according to claim 1, wherein the catching piece is formed in an inverted trapezoid shape having a narrow bottom and a wide top, and a right side of the top of the catching piece is flush with a right side wall of the first fixing portion.
7. The fixing device of a lower roller for fixing as claimed in claim 1, wherein a cylindrical pull rod is fixedly provided at a right side of a bottom of the second fixing portion.
8. The fixing device of a lower roller for fixing as claimed in claim 7, wherein a plurality of anti-slip protrusions are fixedly provided on a surface of said pull rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921133186.2U CN210038442U (en) | 2019-07-18 | 2019-07-18 | Fixing device of photographic fixing lower roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921133186.2U CN210038442U (en) | 2019-07-18 | 2019-07-18 | Fixing device of photographic fixing lower roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210038442U true CN210038442U (en) | 2020-02-07 |
Family
ID=69349942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921133186.2U Expired - Fee Related CN210038442U (en) | 2019-07-18 | 2019-07-18 | Fixing device of photographic fixing lower roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210038442U (en) |
-
2019
- 2019-07-18 CN CN201921133186.2U patent/CN210038442U/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: 20200207 |