丄·34：)〇;/7 九、發明說明： 【發明所屬之技術領域】 的二:Γ及:種投影系統，尤其涉及-種用於投影系統 的才又景々機鏡頭組件。 【先前技術】 隨著科技喊勃發展，投 應用領域也變得命來侖庳、仅〜俄们 一 〜不愈廣，例如應用於頻繁的會議講解、巡 =示和促銷活動等商業領域，及應用於學校授課、學術討 ‘專教育領域，以及應祕—影院轉庭領域。 & &彳又〜機$括光源H光調製裝置以及投影機 鏡頭組件等元件。其中，投影機鏡頭組件包括-個鏡頭本體， ^及-個套辦鏡頭本體上的鏡頭環。通常鏡頭環上開設有 L文^ ’ τΤό鏡頭本虹㈤設有對應的雜孔υ了依次穿過 2環上螺紋孔和鏡頭本體上螺紋孔而將鏡頭環套設於鏡頭 ===有些鏡頭環為斯開的圓環結構’在斷開處的 兩知句八有犬出的卡緊部，每個卡緊部上都開設 鏡頭環圍繞錢财H上後料敎分财過切部，孔’ 紋孔將鏡頭環鎖緊於鏡頭本體上。 的螺 ，然而，以上鏡頭環套設於鏡頭本體上都採用了 方式’在組裝過程巾，*於要利用螺絲刀等專用卫且、丁連接 的螺釘連接方式不利於提升I人組裝投影機鏡频^傳統 效率。 的工作 【發明内容】 有馨於此，有必要提供一種容易操作以提高組褒 巧"的 6 工作致率的投影機鏡頭組件。 -種投影機鏡頭組件，其包括至少—個鏡片組，一個具 容二連接。卩的鏡頭本體，以及—個鏡頭環。所述鏡片組故 上。鏡頭本體内。所賴驟套設於所述鏡頭本體的連接部 ^述铜本H的連接料表面設有至少—㈣塊，所逃 表面設有至少—麻靠台、至少—個導引槽、以 、土個/、所述凸塊相配合的卡合部。所述各導引槽與對 ς的承罪台接著，所述各卡合部位於對應的導引槽内。所述 办應的承靠台 '導弓丨槽、以及卡合部形成-個收容空間以收 谷對應的凸塊。所述對應的凸塊與所述對應的卡合部承接。 所述鏡頭本體與所述承靠台承接。 與先前技術相比，所述投影機鏡頭組件藉由承靠台、導 今丨槽、以及卡合部形成的收容空間將凸塊收容而使得鏡頭環 套设於鏡頭本體上，投影機鏡頭組件組裝變得容易，提高了 組裝工序的工作效率。 【實施方式】 下面將結合附圖，對本發明作進一步的詳細說明。 第一實施例 請參閱圖1及圖2,為本發明第一實施例的投影機鏡頭 組件100，其包括一個鏡頭本體10，至少一個鏡片組2〇，以 及一個鏡頭環30。所述至少一個鏡片組20收容至鏡頭本體 10内，所述鏡頭環30套設於所述鏡頭本體1〇上。本實施例 只列舉投影機鏡頭組件1〇〇包括一個鏡片組20的情形，當 然’為了能實現變焦，投影機鏡頭組件並不局限於本實施例 1345677 ••只有—個鏡片組，通常採用複數鏡片組。 • 冶著投影機光路方向，所述鏡頭本體10依次具有一個固 疋部12、-個本體部14以及一個與所述鏡頭環3〇連接的連 接部16。所述固定部12上具有兩翼122、124，所述兩翼122、 124上分別開設有通孔126、128，螺釘（圖未示）穿過通孔126、 128將投影機鏡頭組件1〇〇固定在外部安裝部（圖未示)上，即 可固疋投影機鏡頭組件100。所述連接部16具有一個沿光軸 00’方向延伸的圓周面162及一個與光轴〇〇,垂直的端面 ® 164。所述圓周面162上設有六個凸塊166,所述每個凸塊166 具有一個斜切面168,沿著投影機光路方向所述斜切面ι68 逐漸接近所述光軸0◦’中心，其中，所述光軸00,中心與鏡 頭環30中心一致。 所述鏡頭環30的内表面設有一個承靠台32、三個與所 述凸塊166相對應設置的導引槽34、以及三個與所述凸塊166 相配合的卡合部36 ^所述承靠台32為一個環繞於鏡頭環3〇 内表面的環狀結構，所述承靠台32相對於鏡頭環30内表面 .朝向接近鏡頭環30中心方向突出。所述導引槽34與所述承 靠台32接著，戶斤述導引槽34具有一個第一擔塊及與所 述第-擒塊342相對設置的一個第二擒塊344 ’所述第一擔 塊342及第二擔塊344相對於所述鏡頭環3〇内表面朝向接近 鏡頭環30中心的方向突出。第一擋塊342與卡合部36沿鏡 頭環30圓周方尚的最大躁離小於各凸塊166沿鏡頭環3〇圓 周方向的最大長度。第；擔塊344與卡合部36沿鏡頭環30 圓周方向的最大雜離小於各凸塊166沿鏡頭環30圓周方向的 1345677 •.最大長度。所述卡合部36位於所述導引槽34内，所述卡合 '部具有一個斜切面362，沿著投影機光路方所述斜切面362 逐漸接近所述鏡頭環30的中心。所述承靠台32、導引槽34、 以及卡合部36形成一個收容空間38以收容凸塊166。 T以理解，所述凸塊166的數量並不局限於本實施例中 的六個，可以為任意個數，只要凸塊166能在引槽34内與卡 合部36相配合將鏡頭環3〇套設於鏡頭本體1〇的連接部16 上即可。導引槽34與卡合部36的數量也不局限於本實施例 #中的三個，只要導引槽34與卡合部36的數量相對應即可。 所述承罪台32的數量也並局限於本實施例中的一個，可以為 任思個數，只要保證能與每個導引槽34接著即可。 請參閱圖2及圖3，當鏡頭環3〇套設於鏡頭本體1〇的 連接部16時，凸塊166位於收容空間38内，凸塊166與卡 合部36承接，所述端面164與承靠台％承接。第一擋塊342 及第二擋塊344限制住凸塊166相對於鏡頭環3〇沿圓周方向 #祕移，承靠台32及卡合部％限制住凸塊相對於鏡頭 裱30沿光軸〇〇’方向的位移。因此鏡頭環3〇旋轉時，凸塊 166相對於所述本體部14隨著鏡頭環3〇的旋轉而旋轉，凸 塊166帶動所述連接部16 _從而實現投影機鏡頭組件_ 的調節功能。 第二實施例 請參閱圖4,為本發明第二實施例的投影機鏡頭組 200,本實施例與第一實施例的不同之處在於：導引槽％，、 合部36及凸塊166的數量均為三個。所述導引槽以，為—個 9 1345677 凹槽’所述導引槽34,具有一個第一側邊342，、一個與所述第 一側邊342’相對設置的第二側邊344,及一個失設於所述第一 側邊342’與第二側邊344,之間的底面346。所述底面346相 對於所述鏡頭環30内表面朝向遠離鏡頭環30的中心方向凹 下。所述第—側邊342,與所述卡合部36沿鏡頭環3〇圓周方 向的最大距離小於所述凸塊166沿鏡頭環30圓周方向的最大 長度’所述卡合部36與所述第二側邊344,沿鏡頭環如圓周 方向的最大距離小於所述凸塊166沿鏡頭環30圓周方向的最 大長度。當鏡頭環30套設於鏡頭本體1〇的連接部16時，由 第一侧邊342,及第二側邊344,限制住凸塊166相對於鏡頭環 3〇沿圓周方向的位移。所述承靠台32,相對於底面3牝朝向 接近鏡頭環30中心方向突出即可。 、當然，可以是鏡頭環内表面上設置凸塊，而在鏡頭本體 的連接部上設置相對應的導引槽，卡合部及承接台，只要能 達到能將鏡頭環套設於鏡頭本體上錄實現鏡頭調節功能即 可。 ，、所述投影機鏡職件藉由承靠台、導引槽、以及卡合部 开^成的收谷空間將凸塊收容而使得鏡頭環套設於鏡頭本體 ’使得投影機鏡肋件崎變得料，提高了組裝工序的 工作效率。 直，本發明確已符合發明專利要件，爰依法提出 ^ °惟1上所述者僅為本發明之難實施方式，舉 本案技fc之人士，於援依本案發明精神所作之等效修 飾或變化，皆應包含於町之申料利範圍内。 1345677 【圖式簡單說明】 圖1為本發明第一實施例投影機鏡頭組件的立體組裝 圖； 圖2為圖1中投影機鏡頭組件的立體分解圖； 圖3為圖1中沿著m-πι的截面示意圖； 圖4為本發明第二實施例投影機鏡頭組件的立體分解 圖。 【主要組件符號說明】 投影機鏡頭組件 100 鏡頭本體 10 鏡片組 20 鏡頭環 30 固定部 12 本體部 14 連接部 16 翼 122 ' 124 通孔 126 、 128 圓周面 162 端面 164 凸塊 166 斜切面 168 、 362 承靠台 32 > 325 導引槽 34、34J 卡合部 36 第一擋塊 342 第二擋塊 344 收容空間 38 第一侧邊 342? 第二側邊 344， 底面 346 11丄·34:)〇;/7 IX, invention description: [Technical field of invention] Second: Γ and: a kind of projection system, especially related to the projection lens system for the projection system. [Prior Art] With the development of technology, the field of investment applications has become life-threatening, and only the Russians are not wide-ranging, for example, in the commercial fields such as frequent conference presentations, tour shows, and promotions. And it is used in school teaching, academic discussion, 'special education, and secrets--the theater to enter the field. &&& 彳 ~ machine $ including the light source H light modulation device and projector lens components and other components. The projector lens assembly includes a lens body, and a lens ring on the lens body. Usually the lens ring is opened with L text ^ ' τ Τό lens Benhong (5) with corresponding holes υ υ sequentially through the 2 ring threaded hole and the threaded hole on the lens body to set the lens ring to the lens === some lenses The ring structure of the ring is the two sides of the opening. There is a dog's clamping part. Each of the clamping parts has a lens ring around the money H, and then the money is cut. The hole 'holes lock the lens ring to the lens body. The snail, however, the above lens ring is sleeved on the lens body and adopts the method of 'in the assembly process towel. *The use of a special screwdriver such as a screwdriver and a screw connection is not conducive to improving the assembly of the projector image by the I person. ^Traditional efficiency. [Study of the Invention] In this case, it is necessary to provide a projector lens assembly that is easy to operate to improve the group's work efficiency. A projector lens assembly comprising at least one lens set and one compatible two connection.卩 The lens body, and a lens ring. The lens set is therefore on. The lens body. The surface of the connecting material of the joint portion of the lens body is provided with at least a (four) block, and the escape surface is provided with at least a hemp table, at least one guiding groove, and a soil. And the engaging portion of the bumps. The guiding grooves and the counterfeit table of the pair are next, and the engaging portions are located in the corresponding guiding grooves. The bearing abutment of the guide shaft and the engaging portion form a receiving space to receive the corresponding bumps. The corresponding bumps are received by the corresponding engaging portions. The lens body is received by the bearing platform. Compared with the prior art, the projector lens assembly receives the bump by the receiving space formed by the bearing platform, the guiding groove, and the engaging portion, so that the lens ring is sleeved on the lens body, and the projector lens assembly Assembly becomes easy, and the work efficiency of the assembly process is improved. [Embodiment] Hereinafter, the present invention will be further described in detail with reference to the accompanying drawings. First Embodiment Referring to Figures 1 and 2, a projector lens assembly 100 according to a first embodiment of the present invention includes a lens body 10, at least one lens group 2A, and a lens ring 30. The at least one lens group 20 is received in the lens body 10, and the lens ring 30 is sleeved on the lens body 1b. This embodiment only enumerates the case where the projector lens assembly 1 includes one lens group 20. Of course, in order to achieve zooming, the projector lens assembly is not limited to the embodiment 1345677. • Only one lens group, usually plural Lens group. • The direction of the optical path of the projector is smeared, and the lens body 10 has a fixing portion 12, a body portion 14, and a connecting portion 16 connected to the lens ring 3A. The fixing portion 12 has two wings 122 and 124. The two wings 122 and 124 are respectively provided with through holes 126 and 128. Screws (not shown) pass through the through holes 126 and 128 to fix the projector lens assembly 1 . The projector lens assembly 100 can be fixed on an external mounting portion (not shown). The connecting portion 16 has a circumferential surface 162 extending in the direction of the optical axis 00' and an end surface ® 164 perpendicular to the optical axis. The circumferential surface 162 is provided with six protrusions 166, each of the protrusions 166 having a chamfered surface 168, and the chamfered surface ι68 gradually approaches the center of the optical axis 0◦' along the optical path of the projector, wherein The optical axis 00 has a center that coincides with the center of the lens ring 30. The inner surface of the lens ring 30 is provided with a bearing abutment 32, three guiding grooves 34 corresponding to the protruding blocks 166, and three engaging portions 36 which cooperate with the protruding blocks 166. The abutment table 32 is an annular structure surrounding the inner surface of the lens ring 3, and the abutment table 32 protrudes toward the center of the lens ring 30 with respect to the inner surface of the lens ring 30. The guiding groove 34 and the bearing table 32 are further described. The guiding groove 34 has a first weight and a second block 344 ′ opposite to the first block 342. The one weight 342 and the second weight 344 protrude toward the center of the lens ring 30 with respect to the inner surface of the lens ring 3 . The maximum deviation of the first stopper 342 from the engaging portion 36 along the circumference of the lens ring 30 is smaller than the maximum length of each of the projections 166 in the circumferential direction of the lens ring 3〇. The maximum distance between the weight 344 and the engaging portion 36 in the circumferential direction of the lens ring 30 is smaller than the maximum length of each of the bumps 166 along the circumferential direction of the lens ring 30. The engaging portion 36 is located in the guiding groove 34, and the engaging portion has a chamfered surface 362 which gradually approaches the center of the lens ring 30 along the chamfered surface 362 of the projector optical path. The receiving base 32, the guiding groove 34, and the engaging portion 36 form a receiving space 38 for receiving the protrusion 166. It is to be understood that the number of the bumps 166 is not limited to six in the embodiment, and may be any number as long as the bumps 166 can cooperate with the engaging portions 36 in the guiding grooves 34 to connect the lens ring 3. The 〇 is sleeved on the connecting portion 16 of the lens body 1〇. The number of the guiding grooves 34 and the engaging portions 36 is not limited to three in the embodiment #, as long as the guiding grooves 34 correspond to the number of the engaging portions 36. The number of the conviction counters 32 is also limited to one of the embodiments, and may be any number as long as it can be ensured with each of the guide slots 34. Referring to FIG. 2 and FIG. 3 , when the lens ring 3 is sleeved on the connecting portion 16 of the lens body 1 , the protrusion 166 is located in the receiving space 38 , and the protrusion 166 is received by the engaging portion 36 , and the end surface 164 is The contractor receives 100%. The first stopper 342 and the second stopper 344 limit the convexity of the projection 166 relative to the lens ring 3 in the circumferential direction. The bearing base 32 and the engaging portion % limit the projection along the optical axis relative to the lens bore 30. 〇〇 'Direction of the displacement. Therefore, when the lens ring 3 is rotated, the bump 166 rotates with the rotation of the lens ring 3〇 with respect to the body portion 14, and the bump 166 drives the connecting portion 16_ to realize the adjustment function of the projector lens assembly_. The second embodiment of the present invention is a projector lens assembly 200 according to a second embodiment of the present invention. The difference between the present embodiment and the first embodiment is that the guide groove %, the joint portion 36 and the bump 166 The number is three. The guiding groove is a 9 1345677 groove 'the guiding groove 34, has a first side 342, and a second side 344 opposite to the first side 342'. And a bottom surface 346 between the first side 342' and the second side 344. The bottom surface 346 is recessed toward the center of the lens ring 30 toward the center of the lens ring 30 away from the lens ring 30. The first side 342, the maximum distance from the engaging portion 36 in the circumferential direction of the lens ring 3〇 is smaller than the maximum length of the protrusion 166 along the circumferential direction of the lens ring 30, the engaging portion 36 and the The second side 344 has a maximum distance along the lens ring such as the circumferential direction that is smaller than the maximum length of the bump 166 in the circumferential direction of the lens ring 30. When the lens ring 30 is sleeved on the connecting portion 16 of the lens body 1 , the first side 342 and the second side 344 restrict the displacement of the bump 166 relative to the lens ring 3 in the circumferential direction. The abutment base 32 may protrude toward the center of the lens ring 30 with respect to the bottom surface 3A. And of course, the inner surface of the lens ring may be provided with a bump, and the corresponding guiding groove, the engaging portion and the receiving platform may be disposed on the connecting portion of the lens body, as long as the lens ring can be sleeved on the lens body. Record the lens adjustment function. The projector mirror member receives the bump by the bearing platform, the guiding groove, and the receiving space opened by the engaging portion, so that the lens ring is sleeved on the lens body to make the projector mirror rib member Saki became material and improved the efficiency of the assembly process. Straight, the present invention has indeed met the requirements of the invention patent, and the above is only a difficult implementation of the present invention. The person of the present invention is equivalent to the invention in the spirit of the invention. Changes should be included in the scope of the application of the town. 1 is a perspective view of a projector lens assembly according to a first embodiment of the present invention; FIG. 2 is an exploded perspective view of the projector lens assembly of FIG. 1; BRIEF DESCRIPTION OF THE DRAWINGS Fig. 4 is an exploded perspective view showing a lens assembly of a projector according to a second embodiment of the present invention. [Main component symbol description] Projector lens assembly 100 Lens body 10 Lens group 20 Lens ring 30 Fixing portion 12 Body portion 14 Connecting portion 16 Wing 122 '124 Through hole 126, 128 Circumferential surface 162 End surface 164 Bump 166 Oblique cut surface 168 362 bearing table 32 > 325 guiding groove 34, 34J engaging portion 36 first blocking block 342 second blocking block 344 receiving space 38 first side 342? second side 344, bottom surface 346 11