TW201525340A - Multi degree of freedom locking device for a support arm - Google Patents
Multi degree of freedom locking device for a support arm Download PDFInfo
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- TW201525340A TW201525340A TW102146539A TW102146539A TW201525340A TW 201525340 A TW201525340 A TW 201525340A TW 102146539 A TW102146539 A TW 102146539A TW 102146539 A TW102146539 A TW 102146539A TW 201525340 A TW201525340 A TW 201525340A
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Abstract
Description
本發明係與多自由度鎖固裝置有關，特別是指一種用以鎖固具重力平衡機制之支撐臂的多自由度鎖固裝置。 The invention relates to a multi-degree of freedom locking device, in particular to a multi-degree of freedom locking device for locking a support arm with a gravity balancing mechanism.
參閱第1圖所示，顯示一般具重力平衡機制之支撐臂的立體圖，包括一下支架11、一端設於該下支架11的上連桿12及下連桿13、一設於該上、下連桿之間的彈簧14、及一供該上、下連桿12、13另一端組設且供安裝物件(圖上未示)固定的上支架15，該支撐臂10藉由多連桿搭配彈簧14，使得該支撐臂10可支撐並固定該安裝物件，另外，藉由該彈簧14安裝於該上、下連桿12、13之間，使得該支撐臂10的支撐力量可隨旋轉角度變化而改變，以自行支撐該安裝物件的重量，同時讓該安裝物件相對於該支撐臂10在調整過程中、或調整後獲得定位，而不會受重力的影響而任意的移動。 Referring to FIG. 1 , a perspective view of a support arm generally having a gravity balance mechanism is shown, including a lower bracket 11 , an upper link 12 and a lower link 13 disposed at one end of the lower bracket 11 , and one of the upper and lower links a spring 14 between the rods, and an upper bracket 15 for the other ends of the upper and lower links 12, 13 and fixed for mounting objects (not shown), the support arm 10 is coupled with a spring by a multi-link 14. The support arm 10 can support and fix the mounting object, and in addition, the spring 14 is mounted between the upper and lower links 12, 13 such that the supporting force of the supporting arm 10 can vary with the rotation angle. The change is to self-support the weight of the mounted object while allowing the mounted object to be positioned relative to the support arm 10 during or after adjustment without any movement by gravity.
然而，當該支撐臂10在供該安裝物件組設後，該安裝物件在調整時往往會牽扯到多個自由度，以便符合實際所需，而由於該支撐臂10本身並無多個自由度可調整及鎖固之設計，因此，如何開發出一種支撐臂的多自由度鎖固裝置，使得設置於該支撐臂10上的安裝物件可進行多個自由度的調整、以及讓該安裝物件在調整後可穩定地定位住即為 本案發明的動機。 However, when the support arm 10 is assembled for the mounting object, the mounting object tends to involve a plurality of degrees of freedom when adjusting, so as to meet the actual needs, since the support arm 10 itself does not have multiple degrees of freedom. Adjustable and lockable design, therefore, how to develop a multi-degree of freedom locking device for the support arm, so that the mounted object provided on the support arm 10 can be adjusted in multiple degrees of freedom, and the mounted object is After adjustment, it can be stably positioned. The motivation of the invention of the present invention.
另外，美國專利US20070001076也具有上述同樣的問題。 In addition, U.S. Patent No. 20070001076 also has the same problem as described above.
本發明之目的在於提供一種支撐臂的多自由度鎖固裝置，使組設在該支撐臂上的安裝物件得以進行多個自由度的位移調整、以及位移調整後得以被穩定地定位住。 SUMMARY OF THE INVENTION It is an object of the present invention to provide a multi-degree-of-freedom locking device for a support arm that allows a plurality of degrees of freedom of displacement adjustment and displacement adjustment to be stably positioned.
緣是，為了達成前述目的，依據本發明所提供之一種支撐臂的多自由度鎖固裝置，包含：一支撐臂單元，包含一支架、一樞設於該支架且具有一第一樞部的第一連桿、一樞設於該支架且具有一第二樞部的第二連桿；一固定外殼單元，具有一上殼件、一下殼件、及一樞設在該上、下殼部之間的側殼件，該側殼件具有二夾置樞設在該第一、二樞部的樞耳部、及一與該上、下殼部界定出連通該第一、二樞部的樞槽；一螺桿，能夠上下位移地樞設在該固定外殼單元，並具有一位於該樞槽內的螺紋部、及一位於該樞槽外的螺旋部；一錐形推塊，能夠上下位移地樞設在該固定外殼單元的樞槽內，並具有一螺合於該螺紋部的螺紋孔、及一位於該錐形推塊外側面的推塊環斜面；至少一錐形擋板，能夠外擴地設在該固定外殼的樞槽內且位於該錐形推塊與該側殼件之間，並具有一面對該推塊環斜面的擋板環斜面、及一反向於該擋板環斜面且對應該樞槽槽壁面及該第一、二樞部的擋板環抵面；藉此，當該螺桿沿第一方向樞轉時，即帶動該錐形推塊、該錐形擋板作動，使該擋板環抵面抵止住該樞槽槽壁面及該第一、二樞部，俾使該側殼件無法相對於該上、下殼件樞轉、及該第一、二樞部無法樞轉地定位在該二樞耳部，當該螺桿沿反向於該第一方向的第二方向樞轉時，即帶動該錐形推塊、該錐形擋板作動，使該擋板環抵面脫離 該樞槽槽壁面及該第一、二樞部，俾使該側殼件能夠相對於該上、下殼件樞轉、及該第一、二樞部能夠相對於該二樞耳部樞轉。 In order to achieve the foregoing objective, a multi-degree-of-freedom locking device for a support arm according to the present invention includes: a support arm unit including a bracket, a pivoting bracket and a first pivot portion a first connecting rod, a second connecting rod pivoted to the bracket and having a second pivot portion; a fixed outer casing unit having an upper casing member, a lower casing member, and a pivoting portion on the upper and lower casing portions a side shell member having a second pin portion pivotally disposed on the first and second pivot portions, and a first and second pivot portions defined to communicate with the upper and lower shell portions a pivoting groove; a screw pivotally disposed on the fixed outer casing unit up and down, and having a threaded portion located in the pivoting groove and a spiral portion located outside the pivoting groove; and a tapered push block capable of being vertically displaced The ground pivot is disposed in the pivot slot of the fixed outer casing unit, and has a threaded hole screwed to the threaded portion and a pusher ring slope on the outer side of the tapered push block; at least one tapered baffle capable of Externally disposed in the pivot slot of the fixed outer casing and located between the tapered push block and the side shell member And having a baffle ring inclined surface facing the inclined surface of the push block ring, and a baffle ring facing surface opposite to the baffle ring inclined surface corresponding to the baffle groove wall surface and the first and second pivot portions; When the screw is pivoted in the first direction, the tapered push block and the tapered baffle are actuated, so that the baffle ring abuts against the wall surface of the pivot groove and the first and second pivot portions ???the side shell member is unable to pivot relative to the upper and lower shell members, and the first and second pivot portions are not pivotally positioned at the two pivot portions, when the screw is opposite to the first direction When the second direction is pivoted, the tapered push block is driven, and the tapered baffle is actuated to disengage the baffle ring The pivoting groove wall surface and the first and second pivoting portions enable the side shell member to pivot relative to the upper and lower casing members, and the first and second pivot portions are pivotable relative to the two pivoting portions .
較佳地，該上、下殼件之間更穿置有複數導引柱，各該導引柱係供該錐形推塊所套置，俾使該錐形椎塊能夠沿著該導引柱而在該上、下殼件之間位移，且該錐形推塊的推塊環斜面係由該上殼件朝該下殼件方向呈漸擴傾斜，該錐形擋板的擋板環斜面係由該上殼件朝該下殼件方向呈漸擴傾斜。 Preferably, a plurality of guiding columns are disposed between the upper and lower shell members, and each of the guiding pillars is sleeved by the tapered pusher block so that the tapered rocking block can follow the guiding The column is displaced between the upper and lower casing members, and the inclined surface of the pusher ring of the tapered push block is gradually inclined from the upper casing member toward the lower casing member, and the bezel ring of the tapered baffle The slope is inclined by the upper casing member toward the lower casing member.
較佳地，更包含一連動殼體、一樞軸、一連動塊、及一連動桿單元，該連動殼體固設於該下殼件，並具有一容置空間，該螺桿更具有一反向於該螺旋部且位於該容置空間的桿部，該樞軸係樞設在該連動殼體，並具有一位於該容置空間的第一樞軸部及一連接該第一樞軸部並位於該容置空間外的第二軸部，該連動塊呈傾斜狀地設於該容置空間且位於該桿部與該樞軸之間，並具有一樞設於該桿部的第一連動部、及一第二連動部，該連動桿單元呈水平狀地設於該容置空間且位於該連動塊與該樞軸之間，並具有一樞設於該第二連動部的連動桿部、及一反向於該連動桿部且對應該第一樞軸部的弧抵部，當該螺桿沿第一方向樞轉時，該桿部推動該連動塊由傾斜狀變成水平狀，使該連動桿單元的弧抵部抵止於該第一樞軸部，俾使該樞軸無法樞轉地定位在該連動殼體，當該螺桿沿第二方向樞轉時，該桿部帶動該連動塊由水平狀變成傾斜狀，使該連動桿單元的弧抵部遠離該第一樞軸部，俾使該樞軸樞轉地定位在該連動殼體。 Preferably, the switch further includes a linkage housing, a pivot shaft, a linkage block, and a linkage rod unit. The linkage housing is fixed to the lower shell member and has an accommodation space. a pivoting portion of the shaft portion of the accommodating space, the pivoting system is pivotally disposed on the interlocking housing, and has a first pivot portion located in the accommodating space and a first pivot portion connected to the accommodating space And a second shaft portion located outside the accommodating space, the linkage block is disposed obliquely in the accommodating space and between the rod portion and the pivot shaft, and has a first pivoting portion of the shank portion a linkage portion and a second linkage portion, the linkage rod unit is horizontally disposed in the accommodating space and located between the linkage block and the pivot shaft, and has a linkage rod pivotally disposed on the second linkage portion And an arc abutting portion opposite to the interlocking lever portion and corresponding to the first pivot portion, when the screw pivots in the first direction, the lever portion pushes the linking block to be horizontally inclined, so that The arc abutting portion of the linkage rod unit abuts against the first pivot portion, so that the pivot shaft cannot be pivotally positioned on the linkage housing When the screw pivots in the second direction, the lever portion drives the linkage block to be inclined from a horizontal shape, so that the arc abutting portion of the linkage rod unit is away from the first pivot portion, so that the pivot pivotally Positioned in the interlocking housing.
較佳地，該螺桿的桿部與該連動塊的第一連動部之間藉由一連動組樞設成一體，該連動組包含一穿桿及一壓縮彈簧，該穿桿係穿置於該第一連動部，並具有一供該桿部樞穿的穿孔，該壓縮彈簧係 設於該穿桿下方，並供該桿部穿置。 Preferably, the rod portion of the screw and the first linkage portion of the linkage block are pivotally integrated by a linkage group, the linkage group includes a wear rod and a compression spring, and the wear rod is placed on the rod a first linking portion and having a through hole for pivoting the rod portion, the compression spring system It is disposed under the wearing rod and is worn by the rod portion.
有關本發明為達成上述目的，所採用之技術、手段及其他之功效，茲舉二較佳可行實施例並配合圖式詳細說明如後。 The present invention has been described with reference to the preferred embodiments of the present invention in accordance with the accompanying drawings.
《習知》 "Knowledge"
11‧‧‧下支架 11‧‧‧ lower bracket
12‧‧‧上連桿 12‧‧‧Upper link
13‧‧‧下連桿 13‧‧‧lower connecting rod
14‧‧‧彈簧 14‧‧‧ Spring
15‧‧‧上支架 15‧‧‧Upper bracket
《本發明》 "this invention"
20‧‧‧支撐臂單元 20‧‧‧Support arm unit
21‧‧‧支架 21‧‧‧ bracket
22‧‧‧第一連桿 22‧‧‧ first link
221‧‧‧第一樞部 221‧‧‧ First Pivot
23‧‧‧第二連桿 23‧‧‧Second connecting rod
231‧‧‧第二樞部 231‧‧‧Second pivot
30‧‧‧固定外殼單元 30‧‧‧Fixed housing unit
31‧‧‧上殼件 31‧‧‧Upper case
32‧‧‧下殼件 32‧‧‧Bottom case
33‧‧‧側殼件 33‧‧‧ side shell parts
331‧‧‧樞耳部 331‧‧‧Axis
34‧‧‧樞槽 34‧‧‧ pivot slot
341‧‧‧槽壁面 341‧‧‧ slot wall
35‧‧‧側片 35‧‧‧ side film
36‧‧‧螺栓 36‧‧‧Bolts
37‧‧‧螺絲 37‧‧‧ screws
38‧‧‧導引柱 38‧‧‧ Guide column
40‧‧‧螺桿 40‧‧‧ screw
41‧‧‧螺紋部 41‧‧‧Threading Department
42‧‧‧螺旋部 42‧‧‧Spiral Department
50‧‧‧錐形推塊 50‧‧‧Cone push block
51‧‧‧螺紋孔 51‧‧‧Threaded holes
52‧‧‧推塊環斜面 52‧‧‧Pushing block ring bevel
60‧‧‧錐形擋板 60‧‧‧Conical baffle
61‧‧‧擋板環斜面 61‧‧‧Baffle ring bevel
62‧‧‧擋板環抵面 62‧‧‧Baffle ring
71‧‧‧連動殼體 71‧‧‧ linkage housing
711‧‧‧容置空間 711‧‧‧ accommodating space
712‧‧‧凹部 712‧‧‧ recess
72‧‧‧樞軸 72‧‧‧ pivot
721‧‧‧第一樞軸部 721‧‧‧First pivot
722‧‧‧第二軸部 722‧‧‧Second shaft
73‧‧‧連動塊 73‧‧‧ linkage block
731‧‧‧第一連動部 731‧‧‧First Linkage Department
732‧‧‧第二連動部 732‧‧‧Second Linkage
74‧‧‧連動桿單元 74‧‧‧ linkage unit
741‧‧‧連動桿部 741‧‧‧ linkage rod
742‧‧‧弧抵部 742‧‧‧Arc offset
80‧‧‧連動組 80‧‧‧ linkage group
81‧‧‧穿桿 81‧‧‧ wearing rod
811‧‧‧穿孔 811‧‧‧Perforation
82‧‧‧壓縮彈簧 82‧‧‧Compression spring
D1‧‧‧第一方向 D1‧‧‧ first direction
D2‧‧‧第二方向 D2‧‧‧ second direction
第1圖係支撐臂的立體圖。 Figure 1 is a perspective view of the support arm.
第2圖係本發明第一實施例的立體圖。 Fig. 2 is a perspective view showing a first embodiment of the present invention.
第3圖係第2圖線段3-3的剖面圖。 Figure 3 is a cross-sectional view of line 3-3 of Figure 2.
第4圖係本發明第一實施例的上視圖，顯示支撐臂單元第一個自由度(即水平方向)的調整狀態。 Fig. 4 is a top view of the first embodiment of the present invention, showing an adjustment state of the first degree of freedom (i.e., horizontal direction) of the support arm unit.
第5圖係本發明第一實施例的局部剖面側視圖，顯示支撐臂單元第二個自由度(即垂直方向)的調整狀態。 Figure 5 is a partial cross-sectional side view showing the second embodiment of the present invention showing the adjustment state of the second degree of freedom (i.e., the vertical direction) of the support arm unit.
第6圖係本發明第二實施例的剖面圖。 Figure 6 is a cross-sectional view showing a second embodiment of the present invention.
第7圖係本發明第二實施例的上視圖，顯示支撐臂單元第三個自由度(即水平方向)的調整狀態。 Figure 7 is a top view of a second embodiment of the present invention showing the adjustment state of the third degree of freedom (i.e., horizontal direction) of the support arm unit.
第8圖係本發明第二實施例的剖面圖，顯示支撐臂單元第三個自由度(即水平方向)鎖定的狀態。 Figure 8 is a cross-sectional view showing a second embodiment of the present invention, showing a state in which the third degree of freedom (i.e., horizontal direction) of the support arm unit is locked.
第9圖係本發明第二實施例的局部剖面圖，顯示連動桿單元的弧抵部遠離樞軸的第一樞軸部的狀態。 Figure 9 is a partial cross-sectional view showing a second embodiment of the present invention, showing a state in which the arc abutting portion of the interlocking lever unit is away from the first pivot portion of the pivot.
第10圖係本發明第二實施例的局部剖面圖，顯示連動桿單元的弧抵部抵止樞軸的第一樞軸部的狀態。 Fig. 10 is a partial cross-sectional view showing a second embodiment of the present invention, showing a state in which the arc abutting portion of the interlocking lever unit abuts against the first pivot portion of the pivot.
第11圖係本發明第二實施例的局部立體分解圖，顯示螺桿的桿部與連動塊的第一連動部之間藉由一連動組樞設成一體的分解狀態。 Figure 11 is a partially exploded perspective view showing a second embodiment of the present invention, showing a state in which the rod portion of the screw and the first interlocking portion of the linking block are pivotally integrated by a linkage group.
第12圖係本發明第二實施例的局部立體分解圖，顯示螺桿的桿部與連動塊 的第一連動部之間藉由一連動組樞設成一體的組合狀態。 Figure 12 is a partial exploded perspective view showing the second embodiment of the present invention, showing the rod portion and the linkage block of the screw The first interlocking portions are pivotally connected to each other by a linkage group.
參閱第2至4圖所示，本發明第一實施例所提供的一種支撐臂的多自由度鎖固裝置，其主要係由一支撐臂單元20、一固定外殼單元30、一螺桿40、一錐形推塊50、及二錐形擋板60所組成，其中：該支撐臂單元20，包含一支架21、一樞設於該支架21且具有一第一樞部221的第一連桿22、一樞設於該支架21且具有一第二樞部231的第二連桿23；由於該支撐臂單元20為習知構件，且其作動方式皆與習知相同，亦非本發明之重點，因此對於該構件之詳細結構與作動方式不再詳述。 Referring to Figures 2 to 4, a multi-degree-of-freedom locking device for a support arm according to a first embodiment of the present invention is mainly composed of a support arm unit 20, a fixed outer casing unit 30, a screw 40, and a The tapered push block 50 and the two tapered baffles 60 are formed. The support arm unit 20 includes a bracket 21 and a first link 22 pivotally mounted on the bracket 21 and having a first pivot portion 221 . a second connecting rod 23 pivotally disposed on the bracket 21 and having a second pivot portion 231; since the supporting arm unit 20 is a conventional member and its acting manner is the same as the conventional one, it is not the focus of the present invention. Therefore, the detailed structure and actuation mode of the component will not be described in detail.
該固定外殼單元30，具有一上殼件31、一下殼件32、及一樞設在該上、下殼部31、32之間的側殼件33，該側殼件33具有二夾置樞設在該第一、二樞部221、231的樞耳部331、及一與該上、下殼部31、32界定出連通該第一、二樞部221、231的樞槽34；本實施例中，藉由二側片35分別設在該二樞耳部331的外側，且藉由螺栓36穿置於該側片35、樞耳部331及第一、二樞部221、231，使該第一、二樞部221、231被夾置樞設在該二樞耳部331之間，另外，在該上、下殼件31、32之間藉由螺絲37的鎖固更穿置有複數導引柱38。 The fixed casing unit 30 has an upper casing member 31, a lower casing member 32, and a side casing member 33 pivotally disposed between the upper and lower casing portions 31, 32. The side casing member 33 has two clamping members. a pivot portion 331 disposed on the first and second pivot portions 221, 231, and a pivot groove 34 defining the first and second pivot portions 221, 231 and the upper and lower shell portions 31, 32; In the example, the two side panels 35 are respectively disposed on the outer sides of the two pivot portions 331 and are inserted into the side panels 35, the pivot portions 331 and the first and second pivot portions 221 and 231 by bolts 36. The first and second pivot portions 221 and 231 are interposed between the two pivot portions 331 and are further disposed between the upper and lower housing members 31 and 32 by the locking of the screws 37. A plurality of guide posts 38.
該螺桿40，能夠上下位移地樞設在該固定外殼單元30的上、下殼件31、32，並具有一位於該樞槽34內的螺紋部41、及一位於該樞槽34外的螺旋部42；本實施例中，該螺旋部42為一旋鈕，且旋動後可帶動該螺旋部42轉動。 The screw 40 is pivotally mounted on the upper and lower casing members 31 and 32 of the fixed casing unit 30, and has a threaded portion 41 located in the pivoting groove 34 and a spiral located outside the pivoting groove 34. In the embodiment, the spiral portion 42 is a knob, and the screw portion 42 can be rotated after being rotated.
該錐形推塊50，能夠上下位移地樞設在該固定外殼單元30的樞槽34內，並具有一螺合於該螺紋部41的螺紋孔51、及一位於該錐 形推塊50外側面的推塊環斜面52；本實施例中，該錐形推塊50係套置在各該導引柱38，俾使該錐形椎塊50能夠沿著該導引柱38而在該上、下殼件31、32之間位移，且該錐形推塊50的推塊環斜面52係由該上殼件31朝該下殼件32方向呈漸擴傾斜。 The tapered push block 50 is vertically movably disposed in the pivot groove 34 of the fixed outer casing unit 30, and has a threaded hole 51 screwed to the threaded portion 41, and a cone Pushing the block ring slope 52 on the outer side of the block 50; in this embodiment, the tapered push block 50 is sleeved on each of the guide posts 38 so that the tapered block 50 can be along the guide post 38 is displaced between the upper and lower casing members 31, 32, and the pusher ring slope 52 of the tapered push block 50 is gradually inclined from the upper casing member 31 toward the lower casing member 32.
該二錐形擋板60為相同的結構，能夠外擴地設在該固定外殼30的樞槽34內且且位於該錐形推塊50與該側殼件33之間，並具有一面對該推塊環斜面52的擋板環斜面61、及一反向於該擋板環斜面61且對應該樞槽34槽壁面341及該第一、二樞部221、231的擋板環抵面62；本實施例中，該錐形擋板60的擋板環斜面61係由該上殼件31朝該下殼件32方向呈漸擴傾斜。 The two tapered baffles 60 have the same structure and can be disposed in the pivot groove 34 of the fixed outer casing 30 and between the tapered push block 50 and the side cover member 33, and have a facing surface. The baffle ring slope 61 of the push block ring slope 52 and a baffle ring facing surface opposite to the baffle ring slope 61 and corresponding to the slot groove wall surface 341 and the first and second pivot portions 221 and 231 62. In this embodiment, the baffle ring slope 61 of the tapered baffle 60 is gradually inclined from the upper casing member 31 toward the lower casing member 32.
藉此，參閱第3、5圖所示，當該螺桿40沿第一方向D1樞轉時，即帶動該錐形推塊50、該錐形擋板60作動，使該擋板環抵面62抵止住該樞槽34槽壁面341及該第一、二樞部221、231，俾使該側殼件33無法相對於該上、下殼件31、32樞轉、及該第一、二樞部221、231無法樞轉地定位在該二樞耳部331，參閱第5、3圖所示，當該螺桿40沿反向於該第一方向D1的第二方向D2樞轉時，即帶動該錐形推塊50、該錐形擋板60作動，使該擋板環抵面62脫離該樞槽34槽壁面341及該第一、二樞部221、231，俾使該側殼件33能夠相對於該上、下殼件31、32樞轉、及該第一、二樞部221、231能夠相對於該二樞耳部331樞轉。 Therefore, as shown in FIGS. 3 and 5, when the screw 40 is pivoted in the first direction D1, the tapered push block 50 and the tapered baffle 60 are actuated to make the baffle ring abutting surface 62. Resisting the slot wall surface 341 of the pivot slot 34 and the first and second pivot portions 221, 231, so that the side shell member 33 cannot pivot relative to the upper and lower shell members 31, 32, and the first and second The pivot portions 221, 231 are not pivotally positioned on the two pivot portions 331, as shown in Figures 5 and 3, when the screw 40 pivots in a second direction D2 opposite to the first direction D1, The tapered pusher block 50 is driven to move the baffle ring abutment surface 62 away from the slot wall surface 341 of the pivot slot 34 and the first and second pivot portions 221, 231, so that the side shell member 33 is pivotable relative to the upper and lower casing members 31, 32, and the first and second pivot portions 221, 231 are pivotable relative to the two pivot portions 331.
以上所述即為本發明第一實施例各主要構件之結構及其組態說。至於本發明實施例的作動方式及其功效，說明如下。 The above is the structure and configuration of the main components of the first embodiment of the present invention. As for the operation mode and the effect of the embodiment of the present invention, the following is explained.
參閱第3至5圖所示，令該螺桿40僅能相對於該固定殼體單元30進行樞轉動作，且當該支撐臂單元20相對於該固定殼體單元30進行水平方向(如第4圖所示)以及垂直方向(如第3圖所示)的調整後，沿該第一 方向D1樞轉該螺桿40的螺旋部42，使該螺桿40的螺紋部42同樣沿第一方向D1轉動，此時，該螺桿40則藉由螺紋部41與該錐形推塊50螺紋孔51的螺合組態，使得該錐形推塊50往該上殼件31方向位移，而該錐形推塊50在往上殼件31方向位移的過程中，該推形推塊50則藉由推塊環斜面52與各該擋板環斜面61的面對面組態，使得該推塊環斜面52靠近接觸該擋板環斜面61，進而推抵該錐形擋板60朝該側殼件33及該第一、二樞部221、231方向位移，並使該擋板環抵面62抵止住該樞槽34槽壁面341及該第一、二樞部221、231，其中，當該擋板環抵面62抵止住該樞槽34的槽壁面341時，則使該側殼件33無法相對於該上、下殼件31、32樞轉，此時，則限制了該支撐臂單元20的第一個自由度(即水平方向)，當該擋板環抵面62抵止住該第一、二樞部221、231時，則使該第一、二樞部221、231無法樞轉地定位在該二樞耳部331，此時，則限制了該支撐臂單元20的第二個自由度(即垂直方向)。 Referring to FIGS. 3 to 5, the screw 40 can only be pivoted relative to the fixed housing unit 30, and when the support arm unit 20 is horizontally oriented relative to the fixed housing unit 30 (eg, 4th) Figure 1) and the vertical direction (as shown in Figure 3), along the first The direction D1 pivots the spiral portion 42 of the screw 40, so that the threaded portion 42 of the screw 40 is also rotated in the first direction D1. At this time, the screw 40 is threaded through the threaded portion 41 and the tapered push block 50. The screwing configuration is such that the tapered push block 50 is displaced in the direction of the upper shell member 31, and the pusher push block 50 is displaced in the direction of the upper shell member 31 by the pusher push block 50 The face-to-face configuration of the pusher ring ramp 52 and each of the baffle ring ramps 61 is such that the pusher ring ramp 52 is in close contact with the bezel ring ramp 61, thereby pushing the tapered baffle 60 toward the side cover member 33 and The first and second pivot portions 221 and 231 are displaced in direction, and the baffle ring abutting surface 62 abuts against the slot wall surface 341 of the pivot slot 34 and the first and second pivot portions 221 and 231. When the ring abutting surface 62 abuts against the groove wall surface 341 of the pivoting groove 34, the side casing member 33 cannot be pivoted relative to the upper and lower casing members 31, 32. At this time, the supporting arm unit 20 is restricted. The first degree of freedom (ie, the horizontal direction), when the baffle ring abutting surface 62 abuts against the first and second pivot portions 221, 231, the first and second pivot portions 221, 231 are prevented from pivoting. Local positioning The two pivot ears 331, In this case, the limit of the second degree of freedom of the support arm unit 20 (i.e., vertical direction).
參閱第3、5圖所示，當該螺桿40沿反向於該第一方向D1的第二方向D2樞轉時，該螺桿40則帶動該錐形推塊50朝該下殼件32方向移動，移動後的該錐形推塊50則不再推抵該錐形擋板60，該錐形擋板60的擋板環抵面62則脫離該樞槽34槽壁面341及該第一、二樞部221、231，俾使該側殼件33能夠相對於該上、下殼件31、32樞轉、及該第一、二樞部221、231能夠相對於該二樞耳部331樞轉，其中，當該擋板環抵面62遠離該樞槽34的槽壁面341時，則使該側殼件33能夠相對於該上、下殼件31、32樞轉，此時，則開放了該支撐臂單元20第一個自由度(即水平方向)的調整，當該擋板環抵面62遠離該第一、二樞部221、231時，則使該第一、二樞部221、231能夠樞轉地定位在該二樞耳部331，此時，則開放了該支撐臂單元20第二個自由度(即垂直方向)的調整。 Referring to FIGS. 3 and 5, when the screw 40 pivots in a second direction D2 opposite to the first direction D1, the screw 40 drives the tapered push block 50 toward the lower housing member 32. The tapered push block 50 is no longer pushed against the tapered baffle 60, and the baffle ring abutment surface 62 of the conical baffle 60 is separated from the slot wall surface 341 of the pivot slot 34 and the first and second The pivot portions 221, 231 enable the side shell member 33 to pivot relative to the upper and lower shell members 31, 32, and the first and second pivot portions 221, 231 can pivot relative to the two pivot portions 331 When the baffle ring abutment surface 62 is away from the groove wall surface 341 of the pivot groove 34, the side case member 33 can be pivoted relative to the upper and lower case members 31, 32, and at this time, the opening is performed. The adjustment of the first degree of freedom (ie, the horizontal direction) of the support arm unit 20, when the baffle ring abutment surface 62 is away from the first and second pivot portions 221, 231, the first and second pivot portions 221, The 231 is pivotally positionable on the two pivot portions 331, and at this time, the adjustment of the second degree of freedom (ie, the vertical direction) of the support arm unit 20 is opened.
參閱第6至10圖所示，本發明第二實施例所提供的一種支撐臂的多自由度鎖固裝置，其同樣係由一支撐臂單元20、一固定外殼單元30、一螺桿40、一錐形推塊50、及二錐形擋板60所組成，由於其組態及功效同於第一實施例，故不再贅述，至於第二實施例不同處在於：該支撐臂的多自由度鎖固裝置更包含一連動殼體71、一樞軸72、一連動塊73、及一連動桿單元74，其中：該連動殼體71固設於該下殼件32，並具有一容置空間711；該螺桿40更具有一反向於該螺旋部42且位於該容置空間711的桿部43；該樞軸72係樞設在該連動殼體71，並具有一位於該容置空間711的第一樞軸部721及一連接該第一樞軸部721並位於該容置空間711外的第二軸部722；該連動塊73呈傾斜狀地設於該容置空間711且位於該桿部43與該樞軸72之間，並具有一樞設於該桿部43的第一連動部731、及一第二連動部732；該連動桿單元74呈水平狀地設於該容置空間711且位於該連動塊73與該樞軸72之間，並具有一樞設於該第二連動部732的連動桿部741、及一反向於該連動桿部741且對應該第一樞軸部721的弧抵部742；參閱第6、8圖所示，當該螺桿40沿第一方向D1樞轉時，該桿部43則往下移動，使該桿部43推動該連動塊73由傾斜狀變成水平狀(如第8圖所示)，讓該連動桿單元74的弧抵部742抵止於該第一樞軸部721(如第10圖所示)，俾使該樞軸72無法樞轉地定位在該連動殼體71，此時，則限制了該支撐臂單元20的第三個自由度(即水平方向)；參閱第8、6圖所示，當該螺桿40沿第二方向D2樞轉時，該 桿部43則往上移動，使該桿部43帶動該連動塊73由水平狀變成傾斜狀(如第6圖所示)，讓該連動桿單元74的弧抵部742遠離該第一樞軸部721(如第9圖所示)，俾使該樞軸72樞轉地定位在該連動殼體71，此時，則開放了該支撐臂單元20第三個自由度(即水平方向)的調整。 Referring to Figures 6 to 10, a multi-degree-of-freedom locking device for a support arm according to a second embodiment of the present invention is also provided by a support arm unit 20, a fixed outer casing unit 30, a screw 40, and a The conical push block 50 and the two conical baffle 60 are composed. Since the configuration and the function are the same as those in the first embodiment, they are not described again. The second embodiment differs in the multi-degree of freedom of the support arm. The locking device further includes a linkage housing 71, a pivot 72, a linkage block 73, and a linkage rod unit 74. The linkage housing 71 is fixed to the lower housing member 32 and has a receiving space. 711; The screw 40 further has a rod portion 43 opposite to the spiral portion 42 and located in the accommodating space 711. The pivot shaft 72 is pivotally disposed on the interlocking housing 71 and has a 711 in the accommodating space 711. a first pivot portion 721 and a second shaft portion 722 connected to the first pivot portion 721 and located outside the accommodating space 711; the linking block 73 is disposed obliquely on the accommodating space 711 and located at the Between the rod portion 43 and the pivot 72, and has a first linkage portion 731 pivoted to the rod portion 43, and a second linkage portion 732; The linkage unit 74 is horizontally disposed in the accommodating space 711 and located between the linkage block 73 and the pivot 72, and has a linkage rod portion 741 pivoted to the second linkage portion 732, and a An arc abutting portion 742 opposite to the interlocking lever portion 741 and corresponding to the first pivot portion 721; as shown in FIGS. 6 and 8, when the screw 40 is pivoted in the first direction D1, the lever portion 43 is Moving downward, the lever portion 43 pushes the linkage block 73 to be horizontally inclined (as shown in FIG. 8), and the arc abutting portion 742 of the linkage lever unit 74 abuts against the first pivot portion 721. (As shown in Fig. 10), the pivot 72 is not pivotally positioned in the interlocking housing 71, and at this time, the third degree of freedom (i.e., horizontal direction) of the support arm unit 20 is limited; Referring to Figures 8 and 6, when the screw 40 is pivoted in the second direction D2, the The rod portion 43 is moved upward, so that the rod portion 43 drives the linkage block 73 to be inclined from a horizontal shape (as shown in FIG. 6), and the arc abutting portion 742 of the linkage rod unit 74 is away from the first pivot shaft. a portion 721 (shown in FIG. 9), the pivot 72 is pivotally positioned in the interlocking housing 71, and at this time, the third degree of freedom (ie, horizontal direction) of the support arm unit 20 is opened. Adjustment.
值得一提的是，參閱第7、11、12圖所示，在第二實施例中，由於該螺桿40除了必須能夠上下位移地設在該固定外殼單元30的上、下殼件31、32之外，更必須能夠樞轉的設在該固定外殼單元30，因此，該螺桿40的桿部43則相對產生上下位移及樞轉的動作，為此，該螺桿40的桿部43與該連動塊73的第一連動部731之間必須藉由一連動組80樞設成一體，該連動組80包含一穿桿81及一壓縮彈簧82，該穿桿81係穿置於該第一連動部731，並具有一供該桿部43樞穿的穿孔811，該壓縮彈簧82係設於該穿桿81下方且容置在該連動殼體71容置空間711的凹部712，並供該桿部43穿置，俾使該螺桿40的桿部43可相對於該連動塊73產生樞轉的動作、以及帶動該連動塊73由傾斜狀變成水平狀、或由水平狀變成傾斜狀。 It is worth mentioning that, as shown in the figures 7, 11, and 12, in the second embodiment, since the screw 40 must be vertically displaceable, the upper and lower casing members 31, 32 of the fixed casing unit 30 are provided. In addition, it is necessary to be pivotally disposed on the fixed outer casing unit 30. Therefore, the rod portion 43 of the screw 40 is relatively displaced and pivoted. For this reason, the rod portion 43 of the screw 40 is interlocked with the rod portion 43. The first linking portion 731 of the block 73 must be integrally formed by a linkage group 80. The linkage group 80 includes a wearing rod 81 and a compression spring 82. The threading rod 81 is threaded into the first linkage portion. 731, and has a through hole 811 for the rod portion 43 to be pivoted, and the compression spring 82 is disposed under the threaded rod 81 and received in the recessed portion 712 of the accommodating space 711 of the interlocking housing 71, and is provided for the rod portion The rod 43 is placed so that the rod portion 43 of the screw 40 can pivot relative to the linkage block 73, and the linkage block 73 can be horizontally inclined from the inclined shape or inclined from the horizontal shape.
綜上所述，上述各實施例及圖示僅為本發明的較佳實施例而已，當不能以之限定本發明實施之範圍，即大凡依本發明申請專利範圍所作的均等變化與修飾，皆應屬本發明專利涵蓋的範圍內。 In the above, the above embodiments and the illustrations are only the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, that is, the equal variations and modifications made by the scope of the patent application of the present invention are It should be within the scope of the patent of the present invention.
20‧‧‧支撐臂單元 20‧‧‧Support arm unit
21‧‧‧支架 21‧‧‧ bracket
22‧‧‧第一連桿 22‧‧‧ first link
221‧‧‧第一樞部 221‧‧‧ First Pivot
23‧‧‧第二連桿 23‧‧‧Second connecting rod
231‧‧‧第二樞部 231‧‧‧Second pivot
30‧‧‧固定外殼單元 30‧‧‧Fixed housing unit
31‧‧‧上殼件 31‧‧‧Upper case
32‧‧‧下殼件 32‧‧‧Bottom case
33‧‧‧側殼件 33‧‧‧ side shell parts
331‧‧‧樞耳部 331‧‧‧Axis
35‧‧‧側片 35‧‧‧ side film
36‧‧‧螺栓 36‧‧‧Bolts
40‧‧‧螺桿 40‧‧‧ screw
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102146539A TWI509180B (en) | 2013-12-17 | 2013-12-17 | Multi degree of freedom locking device for a support arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102146539A TWI509180B (en) | 2013-12-17 | 2013-12-17 | Multi degree of freedom locking device for a support arm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201525340A true TW201525340A (en) | 2015-07-01 |
| TWI509180B TWI509180B (en) | 2015-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW102146539A TWI509180B (en) | 2013-12-17 | 2013-12-17 | Multi degree of freedom locking device for a support arm |
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| Country | Link |
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| TW (1) | TWI509180B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWM343753U (en) * | 2008-05-23 | 2008-11-01 | Fulfil Tech Co Ltd | Supporting rack having multi rotation routes |
| TWM354682U (en) * | 2008-06-06 | 2009-04-11 | Tsint | Rotational shaft mechanism with multi-directional positioning function |
| TWM378322U (en) * | 2009-08-24 | 2010-04-11 | Chung Chou Inst Of Technology | Holder structure for 3C product |
| TWM449225U (en) * | 2012-11-29 | 2013-03-21 | Syncmold Entpr Corp | Support rack |
| TWM466196U (en) * | 2013-07-25 | 2013-11-21 | Comm Good Engineering Co Ltd | Monitor fixing seat angle adjustment structure |
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