CN202267827U - Fixation device and imaging equipment comprising same - Google Patents
Fixation device and imaging equipment comprising same Download PDFInfo
- Publication number
- CN202267827U CN202267827U CN2011203635376U CN201120363537U CN202267827U CN 202267827 U CN202267827 U CN 202267827U CN 2011203635376 U CN2011203635376 U CN 2011203635376U CN 201120363537 U CN201120363537 U CN 201120363537U CN 202267827 U CN202267827 U CN 202267827U
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- hot
- terminal
- rolling
- support
- supporting mechanism
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Abstract
The utility model relates to a fixation device and imaging equipment comprising the same. The fixation device comprises a support, a hot roll, a hot roll gear, a heating source and a pressing roll. Two ends of each of the hot roll and the pressing roll are connected with the support through bearings, the hot roll and the pressing roll are in pressure contact, the hot roll gear is connected with the hot roll, and the heating source is positioned in the hot roll and penetrates through the hot roll. Two sides of the support are axially positioned on the hot roll and provided with a gear supporting mechanism and a terminal supporting mechanism, and hot roll end covers fitting two ends of the hot roll and sealing the hot roll are arranged on the gear supporting mechanism and the terminal supporting mechanism respectively. Temperature drop of two ends of the hot roll can be effectively prevented, the middle and two ends of the hot roll can tend to be uniform in temperature, and thereby image fixation effect can be improved.
Description
Technical field
The utility model relates to a kind of fixing device and comprises the image forming apparatus of this fixing device.
Background technology
In general, electronic imaging apparatus is through receiving picture signal output image from computer output to recording medium.In order on recording medium, to form image; Need to carry out on by the photosensitive drums of uniform charging and optionally make public to form corresponding electrostatic latent image by picture signal; Make sub-image on photosensitive drums, form toner image through developing parts then; And the toner image on the photosensitive drums is transferred on the recording medium, thereby on print media, form visual toner image by transfer device.The recording medium that carries toner image with toner image, promptly forms firm toner image through a fixing device on recording medium, this fixing device is made up of warm-up mill and a pressures partially that is used to exert pressure of being used to produce high temperature.
As shown in Figure 1; In traditional laser printer; By bearing 2a supporting, said bearing is placed on the excircle of warm-up mill 1 respectively at warm-up mill 1 two ends in the fixing device, and gear 3a is placed on the excircle of hot-rolling drive end and is positioned on the direction of hot-rolling axis away from bearing; Be used for and the driven wheel engagement, drive warm-up mill 1 rotation thereby obtain driving force.The two ends of said traditional warm-up mill 1 are open.Because the two ends of warm-up mill are open, a large amount of heat dissipations at warm-up mill two ends cause the non-uniform temperature at the centre and the two ends of warm-up mill, influence the photographic fixing effect of image.In addition, adopt pole 7 to support Halogen lamp LED 4 in traditional laser printer, because Halogen lamp LED 4 is sagging gradually, the temperature homogeneity on warm-up mill 1 surface also can be influenced, finally influences the photographic fixing effect of image.
The utility model content
The utility model provides a kind of fixing device and comprises the image forming apparatus of this fixing device, causes a large amount of heat dissipations because of the open two ends of hot-rolling and causes the non-uniform temperature at centre and the two ends of hot-rolling to influence the technical matters of photographic fixing effect to solve existing fixing device.
In order to solve above technical matters, the technical scheme that the utility model is taked is:
A kind of fixing device; Comprise support, hot-rolling, heat roller gear, heating source and pressure roller; Said hot-rolling is connected with said support through bearing respectively with the pressure roller two ends; And said hot-rolling contacts with the mutual pressure of pressure roller, and said heat roller gear is connected with said hot-rolling, and said heating source is positioned at said hot-rolling and passes hot-rolling; The both sides of said support are positioned on the axis direction of hot-rolling and also are provided with gear supporting mechanism and terminal support mechanism, and said gear supporting mechanism and terminal support mechanism are respectively arranged with the hot-rolling end cap that cooperates and seal said hot-rolling with said hot-rolling both ends.
Said heating source two ends are provided with terminal; In said gear supporting mechanism and the terminal support mechanism respectively one be provided with terminal support portion; Said terminal support portion is provided with the terminal spacing hole; Said hot-rolling end cap is provided with terminal through-hole, and the terminal at said heating source two ends passes said terminal through-hole and is fixedly connected with terminal spacing hole on the said terminal support portion.
Said gear supporting mechanism and terminal support mechanism removably connect with the two ends of said support respectively.
Said gear support portion is connected with screw through screw with the two ends of said support respectively with terminal support mechanism.
Said gear supporting mechanism and terminal support mechanism carry out clamping with the two ends of said support through claw and draw-in groove respectively.
Said gear supporting mechanism and terminal support mechanism also position through locator protrusions and pilot hole with the two ends of said support respectively.
The utility model also provides a kind of image forming apparatus, and this image forming apparatus comprises the fixing device with said structure.
After having adopted technique scheme; Because being positioned at the axis direction of hot-rolling, the both sides of support are provided with gear supporting mechanism and terminal support mechanism; Gear supporting mechanism and terminal support mechanism are respectively arranged with the hot-rolling end cap that cooperates and seal hot-rolling with the hot-rolling both ends; The temperature that can effectively prevent the hot-rolling two ends descends; Temperature with two ends are tending towards evenly, thereby the photographic fixing effect of raising image has solved the technical matters that non-uniform temperature that a large amount of heat dissipations that existing fixing device causes because of the open two ends of hot-rolling cause centre and the two ends of hot-rolling influences the photographic fixing effect.Simultaneously because the heating source two ends are provided with terminal, in gear support portion and the terminal support mechanism respectively one be provided with terminal support portion; Terminal support portion is provided with the terminal spacing hole; The hot-rolling end cap is provided with terminal through-hole, and the terminal at heating source two ends passes terminal through-hole and is fixedly connected with terminal spacing hole on the terminal support portion, and promptly the heating source two ends are respectively by gear supporting mechanism and terminal support mechanism supports; Support heating source that can rigidity; Prevent that effectively heating source is sagging, make warm-up mill temperature middle and two ends more even, thereby further improved the photographic fixing effect.
Description of drawings
Fig. 1 is a hot-rolling open in traditional fixing device.
Fig. 2 is the fixing device synoptic diagram in this patent.
Fig. 3 is a this patent middle gear supporting mechanism synoptic diagram.
Fig. 4 is a terminal supporting mechanism synoptic diagram in this patent.
Fig. 5 is the support synoptic diagram in the fixing device in this patent.
Fig. 6 is the sectional view of fixing device in this patent.
Embodiment
This patent provides a kind of fixing device, and the two ends of warm-up mill are closed in the said fixing device, can prevent effectively that the temperature at warm-up mill two ends from descending, and warm-up mill temperature middle and two ends are tending towards evenly, thereby improves the photographic fixing effect of image.Halogen lamp LED can be prevented effectively that by the support of rigidity Halogen lamp LED is sagging in addition, and warm-up mill temperature middle and two ends are tending towards evenly, finally improves the photographic fixing effect of image.Below through concrete embodiment and combine accompanying drawing that the utility model is explained further details.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 2, fixing device 10 mainly comprises support 11, driven wheel 12, heat roller gear 13, gear supporting mechanism 14, terminal support mechanism 15, hot-rolling 18, heating source (Halogen lamp LED) 19 and pressure roller 20.Said hot-rolling 18 is supported by support 11 through bearing respectively with pressure roller 20 and mutual pressure contacts.Said gear supporting mechanism 14 is fixedly installed in the both sides of support 11 respectively with terminal support mechanism 15, and is positioned on the axis direction of hot-rolling 18.Said Halogen lamp LED 19 passes hot-rolling 18 and is positioned at the shaft core position of hot-rolling 18, and the terminal 16 and 17 at the Halogen lamp LED 19 two ends two ends of exposing hot-rolling 18 respectively, and is supported with terminal support mechanism 15 by gear supporting mechanism 14 respectively.
As shown in Figure 3, one is provided with terminal support portion 141, hot-rolling end cap 142 and locating surface 144 on the gear supporting mechanism 14.Said terminal support portion 141 is provided with terminal spacing hole 141a; Said hot-rolling end cap 142 is provided with terminal through-hole 143; One is provided with positioning convex 145 and 146, spacing hole 147 and 148 and gear support portion 149 on the said locating surface 144.In addition, also can the said spacing hole on gear supporting mechanism 14 locating surfaces 144 be arranged to claw.Said gear support portion 149 is used for support drive gear 12, and said driven wheel 12 passes to heat roller gear 13 with heat roller gear 13 engagements and with driving force, rotates thereby make heat roller gear 13 drive hot-rolling 18, and then accomplishes the photographic fixing operation.
As shown in Figure 4, one is provided with terminal support portion 151, hot-rolling end cap 152 and locating surface 154 in the said terminal support mechanism 15.Said terminal support portion 151 is provided with terminal spacing hole 151a; Said hot-rolling end cap 152 is provided with terminal through-hole 153; One is provided with positioning convex 155 and 156 and spacing hole 157 on the said locating surface 154.In addition, also can the said spacing hole on terminal support mechanism 15 locating surfaces 154 be arranged to claw.
As shown in Figure 5, the 114a of the right side wall of support is provided with spacing hole 115a, 116a, 117a and 118a, and exterior bottom is provided with right supporting surface 11a.Positioning convex 145 on the gear supporting mechanism 14 on the locating surface 144 and 146 cooperates respectively at spacing hole 115a on the support right side and 116a; Locating surface 144 cooperates with the locating surface 114a of support, and the bottom of gear supporting mechanism 14 cooperates with the right supporting surface 11a of support; Spacing hole 147 with 148 respectively with support on spacing hole 117a and 118a cooperate and be fixed and be connected through screw.If what be provided with on gear supporting mechanism 14 locating surfaces 144 is claw structure, then with on claw and the support 11 accordingly spacing hole cooperate, gear supporting mechanism 14 is fixedly connected with support 11.Between gear supporting mechanism 14 and the support 11 through cooperatively interacting relatively moving between limiting gear supporting mechanism 14 and the support 11.
The left side wall 114b of support 11 is provided with spacing hole 115b, 116b and 117b, and left supporting surface 11b is arranged on the left side wall 114b exterior bottom.Locating surface 154 in the terminal support mechanism 15 cooperates with left side wall 114b on the support; Positioning convex 155 and 156 cooperates respectively at spacing hole 115b and 116b; Spacing hole 157 is fixed with spacing hole 117b cooperation and through screw and is connected.If what be provided with on terminal support mechanism 15 locating surfaces 154 is claw structure, then with on claw and the support 11 accordingly spacing hole cooperate, terminal support mechanism 15 is fixedly connected with support 11.Through cooperatively interacting, limit relatively moving between terminal support mechanism 15 and the support 11 between terminal support mechanism 15 and the support 11.
As shown in Figure 6, hot-rolling 18 is equipped with heat roller gear 13 on the end near driven wheel 12, and hot-rolling 18 passes heat roller gear 13.After gear supporting mechanism 14 is accomplished with support 11 assemblings; The hot-rolling end cap 142 on the gear supporting mechanism 14 and the right-hand end excircle clearance fit of hot-rolling 18; The terminal through-hole 143 that the right side terminal 16 of Halogen lamp LED 19 passes on the hot-rolling end cap 142 cooperates with terminal spacing hole 141a on the terminal support portion 141, and through the screw (not shown) terminal 16 is fixedly connected with terminal support portion 141.Terminal through-hole 143 clearance fit on said terminal 16 and the hot-rolling end cap 142, and the shape of said terminal through-hole 143 can change along with terminal 16 shape variation.
After terminal support mechanism 15 accomplishes with support 11 assemblings; The left end excircle clearance fit of hot-rolling end cap 152 and hot-rolling 18; The terminal through-hole 153 that the left side terminal 17 of Halogen lamp LED passes on the hot-rolling end cap 152 cooperates with terminal spacing hole 151a on the terminal support portion 151, and through the screw (not shown) terminal 17 is fixedly connected with terminal support portion 151.Terminal through-hole 153 clearance fit on said terminal 17 and the hot-rolling end cap 152, and the shape of said terminal through-hole 153 can change along with terminal 17 shape variation.
Hot-rolling 18 two ends are provided with the hot-rolling end cap in the said fixing device 10; The two ends that make hot-rolling are closed, can effectively reduce the heat dissipation at hot-rolling 18 two ends, prevent that the temperature at hot-rolling two ends from descending; Hot-rolling temperature middle and two ends are tending towards evenly, thereby improve the photographic fixing effect of image.In addition,, hot-rolling temperature middle and two ends are tending towards evenly, finally improve the photographic fixing effect of image because Halogen lamp LED by the support of rigidity, can prevent effectively that Halogen lamp LED is sagging.
Claims (8)
1. fixing device; Comprise support, hot-rolling, heat roller gear, heating source and pressure roller; Said hot-rolling is connected with said support through bearing respectively with the pressure roller two ends, and said hot-rolling contacts with the mutual pressure of pressure roller, and said heat roller gear is connected with said hot-rolling; Said heating source is positioned at said hot-rolling and passes hot-rolling; It is characterized in that the both sides of said support are positioned on the axis direction of hot-rolling and also are provided with gear supporting mechanism and terminal support mechanism, said gear supporting mechanism and terminal support mechanism are respectively arranged with the hot-rolling end cap that cooperates and seal said hot-rolling with said hot-rolling both ends.
2. fixing device as claimed in claim 1; It is characterized in that; Said heating source two ends are provided with terminal, in said gear supporting mechanism and the terminal support mechanism respectively one be provided with terminal support portion, said terminal support portion is provided with the terminal spacing hole; Said hot-rolling end cap is provided with terminal through-hole, and the terminal at said heating source two ends passes said terminal through-hole and is fixedly connected with terminal spacing hole on the said terminal support portion.
3. according to claim 1 or claim 2 fixing device is characterized in that, said gear supporting mechanism and terminal support mechanism removably connect with the two ends of said support respectively.
4. fixing device as claimed in claim 3 is characterized in that, said gear supporting mechanism is connected with screw through screw with the two ends of said support respectively with terminal support mechanism.
5. fixing device as claimed in claim 3 is characterized in that, said gear supporting mechanism and terminal support mechanism carry out clamping with the two ends of said support through claw and draw-in groove respectively.
6. fixing device as claimed in claim 4 is characterized in that, said gear supporting mechanism and terminal support mechanism also position through locator protrusions and pilot hole with the two ends of said support respectively.
7. fixing device as claimed in claim 5 is characterized in that, said gear supporting mechanism and terminal support mechanism also position through locator protrusions and pilot hole with the two ends of said support respectively.
8. an image forming apparatus is characterized in that, comprises the described arbitrary fixing device of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203635376U CN202267827U (en) | 2011-09-23 | 2011-09-23 | Fixation device and imaging equipment comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203635376U CN202267827U (en) | 2011-09-23 | 2011-09-23 | Fixation device and imaging equipment comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202267827U true CN202267827U (en) | 2012-06-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203635376U Expired - Lifetime CN202267827U (en) | 2011-09-23 | 2011-09-23 | Fixation device and imaging equipment comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202267827U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018169528A (en) * | 2017-03-30 | 2018-11-01 | ブラザー工業株式会社 | Image forming apparatus |
| CN110083037A (en) * | 2019-03-21 | 2019-08-02 | 联想图像（天津）科技有限公司 | Fixing device and image-forming device |
-
2011
- 2011-09-23 CN CN2011203635376U patent/CN202267827U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018169528A (en) * | 2017-03-30 | 2018-11-01 | ブラザー工業株式会社 | Image forming apparatus |
| CN110083037A (en) * | 2019-03-21 | 2019-08-02 | 联想图像（天津）科技有限公司 | Fixing device and image-forming device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190430 Address after: 519060 Central District A, Building 3, 01, 3883 Zhuhai Avenue, Zhuhai City, Guangdong Province Patentee after: ZHUHAI PANTUM ELECTRONICS Co.,Ltd. Address before: 519075 No. 63 Mingzhu North Road, Xiangzhou District, Zhuhai City, Guangdong Province Patentee before: Zhuhai Saine Printing Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120606 |
|
| CX01 | Expiry of patent term |