TWI385471B

TWI385471B - Lens module and method for assembling same

Info

Publication number: TWI385471B
Application number: TW95143808A
Authority: TW
Inventors: Mong Tung Lin
Original assignee: Hon Hai Prec Ind Co Ltd
Priority date: 2006-11-27
Filing date: 2006-11-27
Publication date: 2013-02-11
Also published as: TW200823593A

Description

鏡頭模組及其組裝方法 Lens module and assembly method thereof

本發明涉及鏡頭模組之組裝技術領域，尤其涉及一種鏡頭模組及其組裝方法。 The invention relates to the technical field of assembly of a lens module, and in particular to a lens module and an assembly method thereof.

隨著相機行業之發展，相機模組在各種用途之攝像裝置中得到廣泛之應用，相機模組內置於各種可擕式電子裝置，例如手機、攝錄機、電腦中，更得到眾多消費者之青睞。 With the development of the camera industry, camera modules have been widely used in various types of camera devices. Camera modules are built into various portable electronic devices, such as mobile phones, camcorders, and computers, and are also widely used by consumers. Favor.

相機模組通常包括至少一鏡頭模組，以及一與鏡頭模組相對設置之影像感測模組。鏡頭模組通常在鏡筒中容置一個或多個鏡片，以及光圈片、濾光片等，各個鏡頭模組元件之間通過間隔環間隔，再點粘膠，例如點UV膠，而後通過紫外光照射固化該UV膠。 The camera module generally includes at least one lens module and an image sensing module disposed opposite the lens module. The lens module usually houses one or more lenses, aperture plates, filters, etc. in the lens barrel, and the lens module components are separated by spacer rings, and then glued, for example, UV glue, and then passed through ultraviolet light. The UV glue is cured by irradiation.

然而，一些元件，特別係置於鏡筒端部之元件如果單純依靠點膠水固定，長時間使用後因膠水老化其便容易脫落；而一些特殊之元件，例如紫外濾光片，由於其本身還阻擋紫外光，如此其便難於使用UV膠固定；此外，在當鏡頭模組之組裝接受檢驗不合格時，此類鏡頭模組元件由於遭受膠水污染，其便難於重新利用。 However, some components, especially those placed at the end of the lens barrel, are simply fixed by means of glue. After prolonged use, they are easily peeled off due to aging of the glue; and some special components, such as UV filters, are themselves It also blocks ultraviolet light, so that it is difficult to fix with UV glue; in addition, when the assembly of the lens module is unqualified, such lens module components are difficult to reuse due to glue contamination.

有鑒於此，提供一種使鏡頭模組元件穩定固持於鏡筒中，並且減小一部分鏡頭模組元件遭受膠水污染之鏡頭模組及其組裝方法實為必要。 In view of the above, it is necessary to provide a lens module that stably holds the lens module component in the lens barrel and reduces a part of the lens module component from being contaminated by glue.

一種鏡頭模組，其包括一鏡筒、收容於所述鏡筒中之濾光片、緊固環，其中，所述鏡筒內壁設置有一靠持部，所述緊固環外壁與所述鏡筒內壁設置有相互配合之螺紋，所述緊固環螺紋配合於所述鏡筒中時使所述濾光片抵靠於所述靠持部。 A lens module includes a lens barrel, a filter housed in the lens barrel, and a fastening ring, wherein the inner wall of the lens barrel is provided with a holding portion, the outer wall of the fastening ring and the mirror The inner wall of the cylinder is provided with a mating thread, and the fastening ring is threaded into the barrel to abut the filter against the holding portion.

一種鏡頭模組，其包括一鏡筒、收容於所述鏡筒中之鏡頭模組元件及一緊固環，所述緊固環外壁與所述鏡筒內壁設置有相互配合之螺紋，所述緊固環螺紋配合於所述鏡筒中，並將所述鏡頭模組元件固持於所述鏡筒內。 A lens module includes a lens barrel, a lens module component received in the lens barrel, and a fastening ring, and the outer wall of the fastening ring and the inner wall of the lens barrel are provided with matching threads, A fastening ring thread is fitted into the lens barrel and holds the lens module component in the lens barrel.

一種鏡頭模組組裝方法，用於將鏡頭模組元件固持於鏡筒內，其包括如下步驟：提供一緊固環，所述緊固環外壁與所述鏡筒內壁設置有相互配合之螺紋；組裝所述鏡頭模組元件於所述鏡筒中；螺紋配合所述緊固環於所述鏡筒內壁。 A lens module assembly method for holding a lens module component in a lens barrel, comprising the steps of: providing a fastening ring, the outer wall of the fastening ring and the inner wall of the lens barrel are provided with a matching thread The lens module component is assembled in the lens barrel; the fastening ring is threaded to the inner wall of the lens barrel.

所述鏡頭模組使用一緊固環將鏡頭模組元件封裝於所述鏡筒中，如此使鏡頭模組元件，特別係置於鏡筒端部之元件，例如濾光片可以穩定固持，避免產生脫落，且至少該置於鏡筒端部之元件可以免遭受膠水污染。 The lens module uses a fastening ring to encapsulate the lens module component in the lens barrel, so that the lens module component, especially the component placed at the end of the lens barrel, for example, the filter can be stably held, avoiding generation Falling off, and at least the component placed at the end of the barrel is protected from glue contamination.

下面結合附圖對本發明提供之鏡頭模組及其組裝方法作進一步詳細說明。 The lens module and the assembly method thereof provided by the present invention will be further described in detail below with reference to the accompanying drawings.

請一併參閱圖1及圖2，本發明之第一實施例提供之鏡頭模組100，其包括一鏡筒10，收容於所述鏡筒10中之鏡片21、22，光圈片30，間隔環40，濾光片50，以及一緊固環60。 Referring to FIG. 1 and FIG. 2 , a lens module 100 according to a first embodiment of the present invention includes a lens barrel 10 , lenses 21 , 22 , and aperture sheets 30 received in the lens barrel 10 . Ring 40, filter 50, and a fastening Ring 60.

所述鏡筒10外壁設置有外螺紋，以便於和一影像感測模組之基座(圖未示)連接。所述鏡筒10內壁靠近端部之位置還設置有一段內螺紋11。 The outer wall of the lens barrel 10 is provided with external threads for connection with a base (not shown) of an image sensing module. An inner thread 11 is also disposed at a position near the end of the inner wall of the lens barrel 10.

所述鏡片21、22可以為球面鏡片或非球面鏡片，所述光圈片30可以夾設於所述所述鏡片21、22之間，既控制光通量之大小，同時亦起到間隔所述鏡片21、22之作用。所述間隔環40用於間隔所述鏡片22與所述濾光片50，所述濾光片50既可以為紅外濾光片，亦可以為紅外-紫外複合之濾光片。優選地，所述鏡筒10內壁在所述濾光片50所處位置還設置有一靠持部12，該靠持部12可以係沿所述鏡筒10內壁之一個圓環形台階，以用於供所述濾光片50周緣靠持，且該靠持部12與所述鏡筒10內壁之內螺紋11鄰接。 The lens 21, 22 may be a spherical lens or an aspherical lens, and the aperture plate 30 may be interposed between the lenses 21, 22 to control the size of the luminous flux while also spacing the lens 21 The role of 22. The spacer ring 40 is configured to space the lens 22 and the filter 50. The filter 50 may be an infrared filter or an infrared-ultraviolet composite filter. Preferably, the inner wall of the lens barrel 10 is further provided with a holding portion 12 at a position where the filter 50 is located, and the holding portion 12 can be attached to a circular step of the inner wall of the lens barrel 10, For the peripheral edge of the filter 50 to be held, and the abutting portion 12 is adjacent to the internal thread 11 of the inner wall of the lens barrel 10.

所述緊固環60外壁具有外螺紋61，該外螺紋61與所述鏡筒10之內螺紋11配合，以使該緊固環60裝配於該鏡筒10中。通過擰緊所述緊固環60，可使所述濾光片50固持於所述靠持部12上，如此所述濾光片50無需點膠固定，亦不會有脫落問題。優選地，所述緊固環60與所述鏡筒10螺紋配合處可以點適量膠水，以確保所述緊固環60不會轉動。 The outer wall of the fastening ring 60 has an external thread 61 that cooperates with the internal thread 11 of the barrel 10 to fit the fastening ring 60 into the barrel 10. By tightening the fastening ring 60, the filter 50 can be held on the holding portion 12, so that the filter 50 does not need to be fixed by dispensing, and there is no problem of falling off. Preferably, the fastening ring 60 can be glued with the lens barrel 10 to ensure that the fastening ring 60 does not rotate.

所述鏡筒10與所述緊固環60可選用相同之材質，例如選用金屬如銅合金或鋁合金等，塑膠如PC/ABS(聚丙烯/丙烯腈-丁二烯-苯乙烯)工程塑料、聚四氟乙烯等。所述鏡筒10與所述緊固環60均可用射出成型方式制得。 The lens barrel 10 and the fastening ring 60 may be made of the same material, for example, a metal such as a copper alloy or an aluminum alloy, and a plastic such as a PC/ABS (polypropylene/acrylonitrile-butadiene-styrene) engineering plastic. , polytetrafluoroethylene, etc. Said Both the lens barrel 10 and the fastening ring 60 can be produced by injection molding.

所述鏡頭模組100組裝時，在提供好所述鏡筒10、上述各鏡頭模組元件、及緊固環60後，可以依照如下步驟進行：(1)依序疊置上述各鏡頭模組元件於所述鏡筒10中；(2)螺紋配合所述緊固環60於所述鏡筒10中；(3)點適量膠水於所述緊固環60與所述鏡筒10之螺紋配合處。 When the lens module 100 is assembled, after the lens barrel 10, the lens module components, and the fastening ring 60 are provided, the following steps may be performed: (1) stacking the above lens modules in sequence The component is in the lens barrel 10; (2) threadedly engages the fastening ring 60 in the lens barrel 10; (3) points a proper amount of glue on the fastening ring 60 to cooperate with the thread of the lens barrel 10 At the office.

上述鏡頭模組100之各鏡頭模組元件由於相互疊置，並封裝上所述緊固環60，如此各鏡頭模組元件與鏡筒10之間無需使用膠水固定，並可節約時間，且在當檢測出該鏡頭模組100組裝不良時，各鏡頭模組元件均可以被取出重新組裝。 Since the lens module components of the lens module 100 are stacked on each other and the fastening ring 60 is packaged, the lens module components and the lens barrel 10 need not be fixed by glue, and time can be saved. When it is detected that the lens module 100 is poorly assembled, each lens module component can be taken out and reassembled.

可以理解的是，上述鏡筒10內各鏡頭模組元件由於緊湊地依序疊置，因此亦無需一定設置所述靠持部12，所述緊固環60可以直接將上述鏡頭模組元件固持。 It can be understood that the lens module components in the lens barrel 10 are stacked in a compact manner, and therefore the positioning portion 12 is not necessarily provided. The fastening ring 60 can directly hold the lens module components. .

請參閱圖3，為本發明之第二實施例提供之鏡頭模組200示意圖。所述鏡頭模組200與所述鏡頭模組100之區別在於：所述鏡頭模組200無需使用上述間隔環40，而僅需於鏡片21與鏡筒10之間，及鏡片22與鏡片21之間點適量膠水，所述濾光片50一側與所述靠持部12抵靠，另一側由所述緊固環60緊固，如此亦可以使各鏡頭模組元件穩定固持，並且濾光片50可以避免使用膠水，達到減少膠水污染之目的。 Please refer to FIG. 3 , which is a schematic diagram of a lens module 200 according to a second embodiment of the present invention. The difference between the lens module 200 and the lens module 100 is that the lens module 200 does not need to use the spacer ring 40, but only needs to be between the lens 21 and the lens barrel 10, and the lens 22 and the lens 21 An appropriate amount of glue is interposed, and the side of the filter 50 abuts against the abutting portion 12, and the other side is fastened by the fastening ring 60, so that the lens module components can be stably held and filtered. Light sheet 50 can avoid the use of glue to reduce glue The purpose of pollution.

綜上所述，本發明符合發明專利要件，爰依法提出專利申請。惟，以上所述者僅為本發明之較佳實施方式，本發明之範圍並不以上述實施方式為限，舉凡熟習本案技藝之人士援依本發明之精神所作之等效修飾或變化，皆應涵蓋於以下申請專利範圍內。 In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above description is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or changes in accordance with the spirit of the present invention. It should be covered by the following patent application.

10‧‧‧鏡筒 10‧‧‧Mirror tube

21,22‧‧‧鏡片 21,22‧‧‧ lenses

30‧‧‧光圈片 30‧‧‧ aperture film

40‧‧‧間隔環 40‧‧‧ spacer ring

50‧‧‧濾光片 50‧‧‧Filter

60‧‧‧緊固環 60‧‧‧ fastening ring

11‧‧‧鏡筒內螺紋 11‧‧‧ Mirror internal thread

12‧‧‧靠持部 12‧‧‧Responsible Department

61‧‧‧緊固環外螺紋 61‧‧‧ fastening ring external thread

圖1係本發明之第一實施例提供之鏡頭模組分解示意圖；圖2係圖1之鏡頭模組組裝後示意圖；圖3係本發明之第二實施例提供之鏡頭模組示意圖。 1 is a schematic exploded view of a lens module according to a first embodiment of the present invention; FIG. 2 is a schematic view of the lens module of FIG. 1; FIG. 3 is a schematic view of a lens module according to a second embodiment of the present invention.

10‧‧‧鏡筒 10‧‧‧Mirror tube

21,22‧‧‧鏡片 21,22‧‧‧ lenses

30‧‧‧光圈片 30‧‧‧ aperture film

40‧‧‧間隔環 40‧‧‧ spacer ring

50‧‧‧濾光片 50‧‧‧Filter

60‧‧‧緊固環 60‧‧‧ fastening ring

Claims

一種鏡頭模組，其包括一鏡筒、收容於所述鏡筒中之鏡片及濾光片，其改進在於：所述鏡筒內壁設置有一靠持部，所述鏡頭模組還包括一緊固環，所述緊固環外壁與所述鏡筒內壁設置有相互配合之螺紋，所述緊固環螺紋配合於所述鏡筒中時使所述濾光片抵靠於所述靠持部。 A lens module includes a lens barrel, a lens and a filter housed in the lens barrel, and the improvement is that the inner wall of the lens barrel is provided with a holding portion, and the lens module further comprises a fastening a ring, the outer wall of the fastening ring and the inner wall of the lens barrel are provided with matching threads, and the fastening ring is screwed into the lens barrel to abut the filter against the holding portion.

如申請專利範圍第1項所述之鏡頭模組，其中，還包括光圈片、間隔環，所述鏡片、光圈片、間隔環及所述濾光片依序疊置抵靠。 The lens module of claim 1, further comprising an aperture plate and a spacer ring, wherein the lens, the aperture plate, the spacer ring and the filter are sequentially stacked to abut.

如申請專利範圍第1項所述之鏡頭模組，其中，所述靠持部為沿所述鏡筒內壁之一圓環形台階。 The lens module of claim 1, wherein the holding portion is a circular step along one of inner walls of the lens barrel.

如申請專利範圍第1項所述之鏡頭模組，其中，所述緊固環與所述鏡筒材質相同。 The lens module of claim 1, wherein the fastening ring is made of the same material as the lens barrel.

如申請專利範圍第1項所述之鏡頭模組，其中，所述緊固環與所述鏡筒螺紋配合處點有膠水。 The lens module of claim 1, wherein the fastening ring is glued to the lens barrel.

如申請專利範圍第1項所述之鏡頭模組，其中，還包括光圈片，所述鏡片、光圈片依序疊置抵靠並通過點膠水固定於所述鏡筒內。 The lens module of claim 1, further comprising an aperture plate, wherein the lens and the aperture plate are sequentially stacked against each other and fixed in the lens barrel by glue.

一種鏡頭模組，其包括一鏡筒、收容於所述鏡筒中之鏡頭模組元件，所述鏡頭模組元件包括鏡片，其改進在於：還包括一緊固環，所述緊固環外壁與所述鏡筒內壁設置有相互配合之螺紋，所述緊固環螺紋配合於所述鏡筒中，並將所述鏡頭模組元件固持於所述鏡筒內。 A lens module includes a lens barrel, a lens module component received in the lens barrel, and the lens module component includes a lens, and the improvement comprises: further comprising a fastening ring, the outer wall of the fastening ring and The inner wall of the lens barrel is provided with a mating thread, and the fastening ring is threaded into the lens barrel to hold the lens module component in the lens barrel.

如申請專利範圍第7項所述之鏡頭模組，其中，所述鏡頭模組元件還包括光圈片、間隔環、濾光片中一個或幾個之組合。 The lens module of claim 7, wherein the lens module component further comprises one or more of an aperture plate, a spacer ring, and a filter. combination.

如申請專利範圍第7項所述之鏡頭模組，其中，所述鏡筒內壁設置有一靠持部，所述緊固環使所述鏡頭模組元件抵靠於所述靠持部上。 The lens module of claim 7, wherein the inner wall of the lens barrel is provided with a holding portion, and the fastening ring abuts the lens module component against the holding portion.

如申請專利範圍第9項所述之鏡頭模組，其中，所述靠持部為沿所述鏡筒內壁之一圓環形台階。 The lens module of claim 9, wherein the holding portion is a circular step along one of inner walls of the lens barrel.

如申請專利範圍第7項所述之鏡頭模組，其中，所述緊固環與所述鏡筒材質相同。 The lens module of claim 7, wherein the fastening ring is made of the same material as the lens barrel.

如申請專利範圍第7項所述之鏡頭模組，其中，所述緊固環與所述鏡筒螺紋配合處點有膠水。 The lens module of claim 7, wherein the fastening ring is glued to the lens barrel.

一種鏡頭模組組裝方法，用於將鏡頭模組元件固持於鏡筒內，所述鏡頭模組元件包括鏡片及濾光片，該鏡頭模組組裝方法包括如下步驟：提供一緊固環，所述緊固環外壁與所述鏡筒內壁設置有相互配合之螺紋；組裝所述鏡頭模組元件於所述鏡筒中；螺紋配合所述緊固環於所述鏡筒內壁，以將所述鏡頭模組元件固持於所述鏡筒內。 A lens module assembly method for holding a lens module component in a lens barrel, the lens module component comprising a lens and a filter, the lens module assembly method comprising the steps of: providing a fastening ring, The outer wall of the fastening ring and the inner wall of the lens barrel are provided with matching threads; the lens module component is assembled in the lens barrel; and the fastening ring is threaded on the inner wall of the lens barrel to The lens module component is held in the lens barrel.

如申請專利範圍13項所述之鏡頭模組組裝方法，其中，所述鏡筒內壁設置有一靠持部，所述緊固環使所述鏡頭模組元件抵靠於所述靠持部上。 The lens module assembly method of claim 13, wherein the inner wall of the lens barrel is provided with a holding portion, and the fastening ring abuts the lens module component against the holding portion .

如申請專利範圍13項所述之鏡頭模組組裝方法，其中，所述靠持部為沿所述鏡筒內壁之一圓環形台階。 The lens module assembly method of claim 13, wherein the holding portion is a circular step along one of inner walls of the lens barrel.

如申請專利範圍13項所述之鏡頭模組組裝方法，其中，進一步包括點膠水於所述緊固環與所述鏡筒之螺紋配合處。 The method of assembling a lens module according to claim 13 , further comprising dispensing glue to a threaded engagement of the fastening ring and the lens barrel.