TWI353492B - - Google Patents
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- TWI353492B TWI353492B TW96107035A TW96107035A TWI353492B TW I353492 B TWI353492 B TW I353492B TW 96107035 A TW96107035 A TW 96107035A TW 96107035 A TW96107035 A TW 96107035A TW I353492 B TWI353492 B TW I353492B
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- photosensitive drum
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Description
1353492 九、發明說明: 【發明所屬之技術領域】 —本發明係、與電子成像I置有關,特別是指—種用於感 光鼓之支樓裝置’其結構精確度高且強度大,可穩固地將 感光鼓與一碳粉匣結合。 【先前技術】1353492 IX. Description of the invention: [Technical field of the invention] - The invention relates to an electronic imaging I, in particular to a branch device for a photosensitive drum, which has high structural precision and high strength, and can be stabilized The photoreceptor drum is combined with a toner cartridge. [Prior Art]
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一般電子成像裝置如影印機或印表機,有將感光鼓設 於碳粉匣内部者,組裝時,係先於感光鼓二端設置突伸之 軸件,並將感光鼓置於碳粉匣殼體之預定位置後,利用二 側蓋分別設於殼體兩侧而使感光鼓定位,其中,該侧蓋具 有一樞接管用以供該軸件***,藉此,該感光鼓可以該2 軸件為軸心旋轉。 由於二側蓋係利用超音波熔接於殼體上,拆卸不易, 故欲更換感光鼓時,必須破壞至少一軸件,始能將感光鼓 取出。安裝新感光鼓時,則如第一圖所示,需於感光鼓i 之一端先裝設一套筒2,該套筒2具有一軸孔3,以及四卡 槽4位於該軸孔3周緣,接著,將該感光鼓丨連同該套筒2 一起置入碳粉匣之殼體(圖未示)中,此時,該套筒2之 轴孔3係對應於一側蓋之樞接管(圖未示),最後將—軸 件5經由該樞接管***該套筒2之軸孔3中,該軸件5利 用四卡勾6與該套筒2卡接在—起,該轴件並姻四凸肋7 容設於該套筒2之四卡槽4中,使該套筒2可與該軸件$ 一起旋轉,如此,即完成新感光鼓之組裝。 習知套筒2與軸件5均是利用塑膠射出成型,由於該 20 軸件5具有四凸肋7,而該套筒2具有四卡槽4,以現有技 術製造時,因脫模技術問題尚無法克服,使套筒2與軸件5 :接在-起時常無法達成良好之.度,造絲光鼓旋轉 時之偏心現象;再者,該套筒2因呈圓管狀,常因結構強 度不足而發生變形,同樣影響該感光鼓之旋轉動作。° 【發明内容】 種用於感光鼓之支撐裝 本發明之一目的在於提供一 置’其結構精度高。 種用於感光鼓之支樓裳 本發明之另一目的在於提供一 置’其結構強度大。 為達成前揭目的,本發明所提供之支撐裝置係用於一 感光鼓上,該支财置係包含有—套筒.軸件,該㈣ 具有-外壁貼抵於該感光鼓之内壁,—㈣界定出一轴 卡合部設於該内壁,以及至少—肋板位於該轴 ^中;雜件具有-外管容設於該㈣之觀,一第二 ^部設於該外管且與該套筒之第—卡合部卡接在一起, 2接部㈣外管向内延伸而出,1管設於該連 = 於該内管用以供該套筒之肋板插 入,藉此’該支料置之結構精確度高且強度大。 【實施方式】 茲舉以下五 為了詳細說明本發明之構造及特點所在 較佳實施例並配合圖式說明如后:” 5 ^第一圖係本發明第一較佳實施例所提供之支撐裝置10 s又於-感光鼓12之立體圖,該感光鼓12係呈圓管狀,該 支撐裝置10則具有一套筒20與一轴件30。Generally, an electronic imaging device such as a photocopying machine or a printer has a photoreceptor drum disposed inside the toner cartridge. When assembled, the protruding shaft member is disposed at the two ends of the photosensitive drum, and the photosensitive drum is placed in the toner cartridge. After the predetermined position of the body, the photosensitive drum is positioned by being disposed on both sides of the casing by the two side covers, wherein the side cover has a pivoting tube for inserting the shaft member, whereby the photosensitive drum can have the 2 axes The piece rotates for the axis. Since the two side cover systems are ultrasonically welded to the casing, the disassembly is not easy. Therefore, when the photosensitive drum is to be replaced, at least one of the shaft members must be broken, and the photosensitive drum can be taken out. When installing a new photosensitive drum, as shown in the first figure, a sleeve 2 is first installed at one end of the photosensitive drum i, the sleeve 2 has a shaft hole 3, and the four-card slot 4 is located at the periphery of the shaft hole 3. Then, the photosensitive drum is placed together with the sleeve 2 into a casing (not shown) of the toner cartridge. At this time, the shaft hole 3 of the sleeve 2 corresponds to the pivoting pipe of the one side cover (Fig. In the end, the shaft member 5 is inserted into the shaft hole 3 of the sleeve 2 via the pivot tube, and the shaft member 5 is engaged with the sleeve 2 by using the four hooks 6, and the shaft member is married. The four ribs 7 are received in the four slots 4 of the sleeve 2, so that the sleeve 2 can be rotated together with the shaft member, thus completing the assembly of the new photosensitive drum. Both the conventional sleeve 2 and the shaft member 5 are formed by plastic injection molding, since the 20-axis member 5 has four convex ribs 7, and the sleeve 2 has four card slots 4, which are manufactured by the prior art due to the problem of demolding technology. It can not be overcome, so that the sleeve 2 and the shaft member 5 are often unable to achieve a good degree of eccentricity when the drum is rotated; in addition, the sleeve 2 is round and often due to structural strength. Deformation occurs when it is insufficient, which also affects the rotation of the photosensitive drum. [Disclosed] A support for a photosensitive drum An object of the present invention is to provide a structure which has high structural precision. Another object of the present invention is to provide a structure which has a large structural strength. In order to achieve the foregoing object, the support device provided by the present invention is applied to a photosensitive drum, which comprises a sleeve and a shaft member, and the (four) has an outer wall attached to the inner wall of the photosensitive drum, (4) defining that a shaft engaging portion is disposed on the inner wall, and at least - the rib is located in the shaft; the miscellaneous member has an outer tube accommodated in the (four) view, and a second portion is disposed on the outer tube and The first engaging portion of the sleeve is snapped together, the second connecting portion (four) outer tube extends inwardly, and one tube is disposed in the connecting body = the inner tube is for inserting the rib of the sleeve, thereby The structure of the material is high in accuracy and high in strength. [Embodiment] The following is a detailed description of the preferred embodiment of the present invention and the accompanying drawings are illustrated as follows: 5 ^ First Figure is a support device provided by the first preferred embodiment of the present invention 10 s is again a perspective view of the photosensitive drum 12, the photosensitive drum 12 is in a circular tubular shape, and the supporting device 10 has a sleeve 20 and a shaft member 30.
第:圖係本發明第一較佳實施例之分解立體圖,第四 ^係第三圖之另—角度視圖’其中,該套筒20係具有-外 土 21貼抵於該感光鼓12之内壁14, 一内壁22界定出一轴 =23 第一·^合部24設於該内壁22,一底板25由該内 22 j套筒2〇之徑向延伸而出,四肋板26由該底板25 該套筒2G之ϋ向延伸而^—巾管π設於該等肋板% =端且沿該套筒2〇之軸向延伸以及—凸緣%由該外 1延伸而出且貼抵於該感光鼓12之一端;其中,該第 一卡合部24係具有四嵌孔241。1 is an exploded perspective view of a first preferred embodiment of the present invention, and a fourth perspective view of the third embodiment, wherein the sleeve 20 has an outer soil 21 attached to the inner wall of the photosensitive drum 12 An inner wall 22 defines an axis = 23. The first portion 24 is disposed on the inner wall 22, and a bottom plate 25 is extended from the inner portion of the inner sleeve 22, and the four ribs 26 are formed by the bottom plate. 25 The sleeve 2G extends in the direction of the sleeve 2, and the towel tube π is disposed at the %= end of the ribs and extends along the axial direction of the sleeve 2〇 and the flange % extends from the outer 1 and is attached One end of the photosensitive drum 12; wherein the first engaging portion 24 has four insertion holes 241.
23二?由件3〇係具有一外管31容設於該套筒20之轴孔 本i一第二卡合部32設於該外管31且與該套筒30之第一 而二^4 t接在—起,—連接部33 *該外管31向内延伸 之中其::34設於料接部33之㈣心供該套筒20 筒‘肋用以供該套 20 勾32卜可分別第"卡合卩32係具有四卡 以伟社⑯,、該㈣G之四嵌孔241卡接在一起,藉 有四轴件3〇連接在-起。該連接部33則具 與内管34連接在_^板2’用以將雜件3G之外管31 連接在一起且可在一4:此,該套㈤ 女裝感光鼓12於-碳粉£ (圖未示)時,如同習知結 6 1353492 5The second arm portion 31 has an outer tube 31 received in the shaft hole of the sleeve 20. The second engaging portion 32 is disposed on the outer tube 31 and is the first one of the sleeve 30 4 t is connected, the connecting portion 33 * the outer tube 31 extends inwardly: 34 is disposed at the (four) center of the material receiving portion 33 for the sleeve 20 barrel 'rib for the sleeve 20 hook 32 Bu can be the first " card combination 卩 32 series with four cards to the Weishe 16, the four (four) G four holes 241 are connected together, by the four-axis member 3 〇 connected. The connecting portion 33 is connected to the inner tube 34 at the y-plate 2' for connecting the tubes 31 outside the miscellaneous pieces 3G and can be connected to one another. Here, the set (5) of the female photosensitive drum 12 is - toner £ (not shown), like the familiar knot 6 1353492 5
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構般先將套筒20嵌入感光鼓12之-軸孔16中,僅餘 套筒2〇之凸緣28外露,再將感光鼓12連同套筒20 -併 置入碳粉以預定位置,再將轴件3〇插 孔23中,即完成感光鼓12之安裝。 釉 由於本發明所提供之支撐裝置1〇其套筒20設有底板 25 ’可有效增加套筒20徑向之結構強度,同理,該軸件30 之結構強度亦因設有該連接部33與該内管34而增強,結 果使該支撐裝置10整體之結構財增加;再者,由於該轴 件30*不具習知軸件結構中之凸肋,且該套筒2〇亦不具習 知套筒結構中之卡槽’於套筒2〇與軸件3G以塑膠射出成 型時,不會因脫模之技術問題而影響其同心度,使本發明 所提供之支撐裝置10可達成高精度之要求,並可避免感光 鼓12偏心旋轉的問題,以達成本發明之目的。 依據本發明之基本精神,支撐裝置之結構可有多種變 化,如第五、六圖所示,分別是本發明第二較佳實施例所 提供之支撐裝置40之分解圖以及套筒之另一角度視圖,該 支#裝置40同樣具有一套筒42與一軸件50,所不同者在 於該套筒42之肋板43係由其内壁44直接延伸而出,且不 具前述第一實施例之底板25與中管27,而該軸件5〇除於 其内管51設有四嵌槽52外,更於其外管53設有四嵌槽 54,用以供該套筒42之肋板43***,藉此,該套筒42 ^ 該軸件50可更穩固地卡接在一起;另外,該套筒42之第 一卡合部45係位於其内壁44之端緣441,當該軸件5〇插 入該套筒42之轴孔47時,該軸件50係以其四卡勾55勾 7 20 持於該套筒42内帶44少α 軸件50結合在__起,緣441ώ藉以使該套筒42與該 為簡潔。 實施例中,該套筒42之結構較 所提二八圖所示,分別是本發明第三較佳實施例 ’、#裝置60之分解圖以及套筒62之另一角度視 圖該支揮裝置60與第一實施例之結構大致相同,所不同 者在於.該切裝置6G之套筒62具有四職63由其内壁 =延伸而出’以及—底板65由該内壁64延伸而出且與該 等,板63連接在一起,該支樓裝置6〇之軸件66則不具第 一實施例之連接部33與内管34,且該軸件66之外管67 具有四嵌槽68用以供該套筒62之四肋板63***,藉此’ 本實施例之套筒62其結構強度更勝第一實施例之套筒20。 又如第九至十一圖所示,分別是本發明第四較佳實施 例所提供之支撐裝置70之分解圖、套筒72之另一角度視 圖以及軸件76之侧視圖,該支撐裝置70與第二實施例之 結構大致相同’所不同者在於:該支撐裝置7〇之套筒72 除具有四肋板73由其内壁74延伸而出,更具有一中管75 設於該等肋板73之内端,該中管75係用以***軸件76之 内管77中’藉由該套筒72之中管75與該軸件76之内管 77互相套接,加強該套筒72與該軸件76之結構穩定度, 且如第十一圖所示,該轴件76之連接部78僅具有若干肋 片781 ’而不具第一實施例之環板332。 另如第十二至十四圖所示,分別是本發明第五較佳實 施例所提供之支撐裝置80之分解圖、套筒82之另一角度 8 冷見圖pi τα 沾及輪件84之側視圖,該支撐裝置8〇與第一實施例 、。構大致相同’所不同者在於:該支撐裝置8〇之套筒82 =具有第—實施例之中管27,使四肋板83形成十字形,而 件84之連接部85僅具有一環板86,而不具第一實施例 之肋片331。 事實上’該套筒之肋板係由底板延伸或由内壁延伸均 可’只要位於該軸孔之中即可,該套筒之第一卡合部與該 軸件之第二卡合部結構亦可具有多種變化,該肋板、該嵌 槽、該肋片之數目均可依需要變化,至少一個即可,舉凡 此等易於思及之結構變化’均應為本發明申請專利範圍所 涵蓋。 1353492 【圖式簡單說明】 ^ 一圖係f知用於感級之支撐裝置之分解立體圖; 第一圖係本發明第一較佳實施例之立體圖; 第二圖係本發明第—較佳實施例之分解立體圖; 5 第四®係第三圖之另-角度視圖; • 第^係本發明第二較佳實關之分解立體圖; 鲁籲 第六圖係本發明第二較佳實施例套筒之另-角度立體 圖; 第七圖係、本發明第三較佳實施例之分解立體圖; * 1〇 帛人圖係本發明第三較佳實施例㈣之另-角度立體 圖; 第九圖係本發明第四較佳實施例之分解立體圖; 第十圖係本發明第四較佳實施例套筒之另一角度立體 圖; ·- · =十=圖係本發明第四較佳實施例轴件之側視圖; 十=圖係本發明第五較佳實施例之分解立體圖; 第十三圖係本發明第五較佳實施例套筒之另一角度立 遐圖, 第十四圖係本發明第五較佳實施例轴件之側視圖。 10 1353492 【主要元件符號說明】 5The sleeve 20 is first embedded in the shaft hole 16 of the photosensitive drum 12, only the flange 28 of the sleeve 2 is exposed, and the photosensitive drum 12 is placed in the predetermined position with the sleeve 20-, and then In the shaft member 3, the insertion of the photosensitive drum 12 is completed. The glaze is provided by the support device 1 of the present invention, and the sleeve 20 is provided with the bottom plate 25' to effectively increase the radial structural strength of the sleeve 20. Similarly, the structural strength of the shaft member 30 is also provided by the connection portion 33. The reinforcement with the inner tube 34 results in an increase in the overall structure of the support device 10; furthermore, since the shaft member 30* does not have the ribs in the conventional shaft structure, and the sleeve 2 is not conventionally known When the sleeve 2 in the sleeve structure is molded by plastic in the sleeve 2〇 and the shaft member 3G, the concentricity is not affected by the technical problem of demolding, so that the support device 10 provided by the invention can achieve high precision. The problem of the eccentric rotation of the photosensitive drum 12 can be avoided to achieve the object of the present invention. According to the basic spirit of the present invention, the structure of the supporting device can be variously changed, as shown in Figs. 5 and 6, which are respectively an exploded view of the supporting device 40 and another sleeve of the second preferred embodiment of the present invention. In the angle view, the device 40 also has a sleeve 42 and a shaft member 50, except that the rib 43 of the sleeve 42 is directly extended from the inner wall 44 thereof, and does not have the bottom plate of the first embodiment. 25 and the middle tube 27, and the shaft member 5 is provided with four recessed grooves 52 in the inner tube 51, and four outer cavities 54 are provided on the outer tube 53 for the ribs 43 of the sleeve 42. Inserting, whereby the sleeve 42 ^ the shaft member 50 can be more firmly snapped together; in addition, the first engaging portion 45 of the sleeve 42 is located at the end edge 441 of the inner wall 44 thereof, when the shaft member 5〇 When the shaft hole 47 of the sleeve 42 is inserted, the shaft member 50 is held by the four-clamp 55 hook 7 20 in the sleeve 42. The α-axis member 50 is coupled to the __, and the edge 441 is used. The sleeve 42 is made simple. In the embodiment, the structure of the sleeve 42 is shown in the second embodiment of the present invention, which is an exploded view of the third preferred embodiment of the present invention, the device 60, and another perspective view of the sleeve 62. 60 is substantially the same as the structure of the first embodiment, except that the sleeve 62 of the cutting device 6G has four positions 63 extending from its inner wall = and that the bottom plate 65 extends from the inner wall 64 and And the plates 63 are connected together, the shaft member 66 of the branch device 6 does not have the connecting portion 33 and the inner tube 34 of the first embodiment, and the tube 67 outside the shaft member 66 has four slots 68 for The four ribs 63 of the sleeve 62 are inserted, whereby the sleeve 62 of the present embodiment is structurally stronger than the sleeve 20 of the first embodiment. Further, as shown in the ninth to eleventh drawings, respectively, is an exploded view of the supporting device 70, a different angle view of the sleeve 72, and a side view of the shaft member 76, which are provided in a fourth preferred embodiment of the present invention, the supporting device 70 is substantially the same as the structure of the second embodiment. The difference is that the sleeve 72 of the supporting device 7 has a four-ribbed plate 73 extending from the inner wall 74 thereof, and a central tube 75 is disposed on the ribs. The inner tube 75 is inserted into the inner tube 77 of the shaft member 76. The sleeve 75 is sleeved with the inner tube 77 of the shaft member 76 to strengthen the sleeve. 72 is structurally stable with the shaft member 76, and as shown in the eleventh diagram, the connecting portion 78 of the shaft member 76 has only a plurality of ribs 781' and does not have the ring plate 332 of the first embodiment. Further, as shown in the twelfth to fourteenth drawings, respectively, an exploded view of the supporting device 80 provided by the fifth preferred embodiment of the present invention, and another angle 8 of the sleeve 82 are shown in the figure pi τα and the wheel member 84. A side view of the support device 8 is the same as the first embodiment. The configuration is substantially the same as 'the difference is that the sleeve 82 of the supporting device 8 has the tube 27 of the first embodiment, so that the four ribs 83 form a cross shape, and the connecting portion 85 of the member 84 has only a ring plate 86. Without the ribs 331 of the first embodiment. In fact, the rib of the sleeve may extend from the bottom plate or may extend from the inner wall as long as it is located in the shaft hole, and the first engaging portion of the sleeve and the second engaging portion structure of the shaft member There may be a plurality of variations, and the number of the ribs, the cavities, and the ribs may be changed as needed, at least one, and any structural changes that are easily thought of should be covered by the scope of the patent application of the present invention. . 1353492 [Simplified illustration of the drawings] ^ A diagram of an exploded perspective view of a support device for a sense level; a first perspective view of a first preferred embodiment of the present invention; and a second preferred embodiment of the present invention An exploded perspective view of the fourth embodiment; a fourth perspective view of the second embodiment of the present invention; and a second perspective view of the second preferred embodiment of the present invention; 7 is an exploded perspective view of a third preferred embodiment of the present invention; * 1 is a perspective view of a third preferred embodiment (4) of the present invention; An exploded perspective view of a fourth preferred embodiment of the present invention; a tenth view is another perspective view of a sleeve of a fourth preferred embodiment of the present invention; - - = = 10 = Figure 4 is a fourth preferred embodiment of the present invention 10 is an exploded perspective view of a fifth preferred embodiment of the present invention; and a thirteenth view is another perspective view of a sleeve of a fifth preferred embodiment of the present invention, and FIG. A side view of the shaft member of the fifth preferred embodiment. 10 1353492 [Description of main component symbols] 5
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1感光鼓 2套筒 3轴孔 4卡槽 5軸件 6卡勾 7凸肋 10支撐裝置 12感光鼓 14内壁 16轴孔 20套筒 21外壁 22内壁 23軸孔 24第一卡合部 241嵌孔 25底板 26肋板 27中管 30軸件 28凸緣 31外管 32第二卡合部 321卡勾 33連接部 331肋片 332環板 34内管 35嵌槽 40支撐裝置 42套筒 43肋板 44内壁 441端緣 45第一卡合部47軸孔 50軸件 51内管 52嵌槽 53外管 54嵌槽 55卡勾 60支撐裝置 62套筒 63肋板 64内壁 65底板 66轴件 67外管 11 20 1353492 5 80支撐裝置1 photosensitive drum 2 sleeve 3 shaft hole 4 card slot 5 shaft member 6 card hook 7 rib 10 support device 12 photosensitive drum 14 inner wall 16 shaft hole 20 sleeve 21 outer wall 22 inner wall 23 shaft hole 24 first engaging portion 241 embedded Hole 25 bottom plate 26 rib 27 middle tube 30 shaft member 28 flange 31 outer tube 32 second engaging portion 321 hook 33 connecting portion 331 rib ring 332 ring plate inner tube 35 inlay 40 support device 42 sleeve 43 rib Plate 44 inner wall 441 end edge 45 first engaging portion 47 shaft hole 50 shaft member 51 inner tube 52 slot 53 outer tube 54 slot 55 hook 60 support device 62 sleeve 63 rib 64 inner wall 65 bottom plate 66 shaft member 67 Outer tube 11 20 1353492 5 80 support device
70支撐裝置 68嵌槽 72套筒 73肋板 74内壁 75中管 76軸件 77内管 78連接部 781肋片 82套筒 83肋板 84轴件 85連接部 86環板 1270 support device 68 slot 72 sleeve 73 rib 74 inner wall 75 middle tube 76 shaft member 77 inner tube 78 connection portion 781 rib piece 82 sleeve 83 rib plate 84 shaft member 85 connection portion 86 ring plate 12
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW96107035A TW200837517A (en) | 2007-03-01 | 2007-03-01 | Support device for light sensing drum |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW96107035A TW200837517A (en) | 2007-03-01 | 2007-03-01 | Support device for light sensing drum |
Publications (2)
Publication Number | Publication Date |
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TW200837517A TW200837517A (en) | 2008-09-16 |
TWI353492B true TWI353492B (en) | 2011-12-01 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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TW96107035A TW200837517A (en) | 2007-03-01 | 2007-03-01 | Support device for light sensing drum |
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TW (1) | TW200837517A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI406113B (en) * | 2009-08-14 | 2013-08-21 | Gen Plastic Ind Co Ltd | A drive for a drum cartridge |
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2007
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TW200837517A (en) | 2008-09-16 |
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MM4A | Annulment or lapse of patent due to non-payment of fees |