1364511 101年.02月07日按正替換頁 、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及一種燈具轉轴裝置，特別是指一種用於臺燈 之燈具轉軸裝置。 【先前技術】 [0002] 習知技術中之臺燈通常包括一燈座、一連接燈座之燈桿 及一連接燈桿之燈頭。其中燈座及燈頭内設必要之電子 元件，如燈座内設有變壓器、與外部連接之電源線，燈 頭内設有燈泡或者燈管。燈座内之電子元件與燈頭之電 子元件之間藉由導電線電性連接，該導電線一般收容於 燈桿内部。為了臺燈之燈頭能夠調整照射角度以適應不 同方位照明之需要，燈頭與燈桿、燈桿與燈座之間藉由 一轉軸裝置連接，該轉軸裝置具有一定之阻定力，使燈 頭相對燈桿轉動後穩定地定位在相對角度上。 [0003] 如圖4所示，為習知技術中一轉軸裝置（圖未標），該轉 軸裝置10包括一連接一燈頭（圖未示）之第一轉接頭11 與一設置於燈桿20上之第二轉接頭29。該燈桿20包括一 第一殼體21及一第二殼體22 。第一 '第二殼體21、22 組合後之共同一端部為該第二轉接頭29，該第二轉接頭 29將第一轉接頭11之一樞轉部15收容於其中。該第一轉 接頭11之樞轉部15之一側端面凸設有呈圓周分佈之三圓 柱形凸台17、18、19。組裝時，第一轉接頭11之三凸台 17、18、19與第二轉接頭29上之一圓形凹槽220配合。 藉由三凸台17、18、19在凹槽220中滑動，第一轉接頭 11相對第二轉接頭29轉動，以使連接第一轉接頭11之燈 09615109^1 單編號 A〇101 第3頁/共15頁 1013043720-0 1364511 101年02月07日梭正替換頁 頭與連接第二轉接頭29之燈桿20相對轉動。同時導電線（ 圖未示）穿過第一轉接頭11之凸台17、18與第二轉接頭 29之間之空隙將燈頭與燈座之電子元件連接起來。 [0004] 然而，該第一轉接頭11相對第二轉接頭29轉動之過程中 ，導電線常常會被第一轉接頭11中間之ώ台18到破，使 得燈具存在斷線之隱患，同時凸台17、18、19之體積小 ，與第二轉接頭29之摩擦比較大，容易導致原來之尺寸 發生較大變化，使燈頭無法定位。 【發明内容】 [0005] 本發明旨在提供一種能夠很好地避免磨損導電線之燈具 轉軸裝置。 [0006] —種燈具轉軸裝置，用於連接一燈頭與一燈桿，該燈具 轉軸裝置包括一連接燈頭之第一轉接頭與一連接燈桿之 第二轉接頭，該第一轉接頭具有一連接燈頭之固定部及 一連接該固定部之樞轉部，該樞轉部上設有圓弧狀之凹 槽，該第二轉接頭上設有一圓形之凹槽以對應第一轉接 頭之凹槽，複數滾珠夾設該樞轉部與第二轉接頭之凹槽 之間，以使該框轉部與第二轉接頭之間形成空隙以供導 電線穿過。 [0007] 本發明燈具轉軸裝置中，由於電線始終穿設於光滑之滾 珠之間，有效地避免了電線在第一轉接頭轉動之過程中 到破。 【實施方式】 [0008] 請參閱圖1，為本發明燈具轉轴裝置100較佳實施例《該 09615109^ 單编號 Α〇101 第4頁/共15頁 1013043720-0 1.364511 101年.02月0'7日核正替換頁 轉軸裝置100包括一第一轉接頭60、一第二轉接頭50，第 一轉接頭60收容於第二轉接頭50且與其樞接。該第二轉 接頭50設置於一燈桿（圖未示）之一端。第二轉接頭50 與燈桿可以是分開製造，也可以一體形成。一導電線（ 圖未示）穿過第一轉接頭60、第二轉接頭50以及燈桿， 以分別連接燈具之燈頭（圖未示）及燈座（圖未示）。 [0009] 請參閱圖2至圖3，第一轉接頭60包括一本體61、.自本體 61—端面垂直延伸之一固定部62以及自本體61之另一端 面垂直延伸之樞轉部63。該固定部62與本體61呈同軸圓 柱體，其中固定部62之直徑較本體61之直徑小。該固定 部62與本體61共設有一中心孔622。固定部62之相對兩 側設有二固定孔620以安裝固定燈具之燈頭。該樞轉部63 呈U形設置，其兩端連接在本體61之另一端面上。該枢轉 部63相對兩側各具有一側面638。樞轉部63設有一通孔 633垂直貫穿二侧面638。該通孔633與固定部62之中心 孔622垂直且相互連通。樞轉部63之每一側面&38上設有 一弧狀凹槽6380，該凹槽6380設置於樞轉部63遠離固定 部62之一端，其弧長大於所在圓之半圓周長，在本實施 例中，該凹槽6380之弧長大致是所在圓之四分之三圓周 長度。 [0010] 第二轉接頭50由二結構相同之殼體51組成，第一轉接頭 60之樞轉部63夾置於二殼體51·中。每一殼體51包括一收1364511 101.02.07. The replacement page, the invention description: [Technical Field] [0001] The present invention relates to a lamp shaft device, and more particularly to a lamp shaft device for a table lamp. [Prior Art] [0002] A desk lamp in the prior art generally includes a lamp holder, a lamp post connecting the lamp holder, and a lamp holder connecting the lamp post. The lamp holder and the lamp cap are provided with necessary electronic components, such as a transformer, a power cord connected to the outside, and a bulb or a lamp tube in the lamp cap. The electronic components in the lamp holder and the electronic components of the lamp cap are electrically connected by a conductive wire, and the conductive wire is generally housed inside the lamp post. In order to adjust the illumination angle of the lamp head of the lamp to meet the needs of different azimuth illumination, the lamp cap and the lamp post, the lamp post and the lamp holder are connected by a rotating shaft device, and the rotating shaft device has a certain blocking force, so that the lamp cap is opposite to the light pole It is stably positioned at a relative angle after rotation. [0003] As shown in FIG. 4, which is a shaft device (not shown) in the prior art, the shaft device 10 includes a first adapter 11 connected to a lamp cap (not shown) and a lamp post. The second adapter 29 on the 20th. The lamp post 20 includes a first housing 21 and a second housing 22. The common end of the first 'second housings 21, 22 is the second adapter 29, and the second adapter 29 receives the pivoting portion 15 of the first adapter 11 therein. One side end surface of the pivot portion 15 of the first adapter 11 is convexly provided with three circular cylindrical bosses 17, 18, 19 which are circumferentially distributed. When assembled, the three bosses 17, 18, 19 of the first adapter 11 mate with a circular recess 220 in the second adapter 29. By sliding the three bosses 17, 18, 19 in the groove 220, the first adapter 11 is rotated relative to the second adapter 29 so that the lamp connecting the first adapter 11 is 09615109^1. 101 Page 3 of 15 1013043720-0 1364511 On February 7, 101, the shuttle is replacing the head with the pole 20 connected to the second adapter 29 for relative rotation. At the same time, a conductive wire (not shown) passes through the gap between the bosses 17, 18 of the first adapter 11 and the second adapter 29 to connect the lamp cap to the electronic components of the lamp holder. [0004] However, during the rotation of the first adapter 11 relative to the second adapter 29, the conductive wire is often broken by the platform 18 in the middle of the first adapter 11, so that the lamp has a hidden danger. At the same time, the volume of the bosses 17, 18, 19 is small, and the friction with the second adapter 29 is relatively large, which easily causes a large change in the original size, so that the lamp cap cannot be positioned. SUMMARY OF THE INVENTION [0005] The present invention is directed to a luminaire shaft device that can well avoid wear of conductive wires. [0006] A lamp shaft device for connecting a lamp cap and a lamp post, the lamp shaft device comprising a first adapter connected to the lamp cap and a second adapter connected to the lamp post, the first switch The head has a fixing portion connecting the lamp cap and a pivoting portion connecting the fixing portion, wherein the pivoting portion is provided with an arc-shaped groove, and the second connecting joint is provided with a circular groove to correspond to the first a groove of the adapter, the plurality of balls sandwiching between the pivoting portion and the groove of the second adapter, so that a gap is formed between the frame rotating portion and the second adapter for the conductive wire to pass through. In the lamp shaft device of the present invention, since the electric wires are always disposed between the smooth balls, the wires are effectively prevented from breaking during the rotation of the first adapter. [Embodiment] [0008] Please refer to FIG. 1 , which is a preferred embodiment of the lamp shaft device 100 of the present invention. The 09615109 ^ single number Α〇 101 4th page / 15 pages 1013043720-0 1.364511 101. 02 months The 0'7-day nuclear replacement page hinge device 100 includes a first adapter 60 and a second adapter 50. The first adapter 60 is received in the second adapter 50 and pivotally connected thereto. The second adapter 50 is disposed at one end of a light pole (not shown). The second adapter 50 and the pole can be manufactured separately or integrally. A conductive wire (not shown) passes through the first adapter 60, the second adapter 50, and the lamp post to respectively connect the lamp cap (not shown) of the lamp and the lamp holder (not shown). Referring to FIG. 2 to FIG. 3, the first adapter 60 includes a body 61, a fixing portion 62 extending perpendicularly from the end surface of the body 61, and a pivot portion 63 extending perpendicularly from the other end surface of the body 61. . The fixing portion 62 and the body 61 are coaxial cylinders, wherein the diameter of the fixing portion 62 is smaller than the diameter of the body 61. The fixing portion 62 and the body 61 are provided with a central hole 622. Two fixing holes 620 are provided on opposite sides of the fixing portion 62 to mount and fix the lamp cap of the lamp. The pivoting portion 63 is disposed in a U shape, and both ends thereof are coupled to the other end surface of the body 61. The pivot portion 63 has a side 638 on each of opposite sides. The pivoting portion 63 is provided with a through hole 633 extending perpendicularly through the two side faces 638. The through hole 633 is perpendicular to and communicates with the center hole 622 of the fixing portion 62. Each of the side faces & 38 of the pivoting portion 63 is provided with an arcuate groove 6380. The groove 6380 is disposed at one end of the pivoting portion 63 away from the fixing portion 62, and the arc length is longer than the half circumference of the circle. In an embodiment, the arc length of the groove 6380 is approximately three-quarters of the circumference of the circle. [0010] The second adapter 50 is composed of two housings 51 of identical construction, and the pivoting portion 63 of the first adapter 60 is sandwiched between the two housings 51·. Each housing 51 includes a collection
I 容部52與一連接該收容部52之連接部53。該收容部52朝 向第一轉接頭60之一側面設有一圓形之凹槽520，該凹槽 520之直徑與該第一轉接頭60之凹槽6380所在圓之直徑 __户單編號A0101 第5頁/共15頁 1013043720-0 1364511 _. 101年.02月0>日梭正替换頁· 相等，凹槽520之深度與凹槽6380之深度也相等。收容部 52之中部設有一與凹槽520同轴之貫穿孔523，該貫穿孔 523與第一轉接頭60之框轉部63之通孔633對應連通。連 接部53在朝向第一轉接頭60之一側面凸設二凸臺535 ’這 二凸臺535中間設有一狹槽530 ’該狹槽530連通收容部 52之凹槽520。 [0011] 組裝時，第二轉接頭50之二殼體51之收容部52將第一轉 接頭60之樞轉部63夾設，其中二殼體51之連接部53之凸 臺535相互抵靠。四滾珠70夾設於第一轉接頭6〇之樞轉部 63與一殼體51之收容部52之間，收容於樞轉部63—側之 凹槽6380及收容部52之凹槽520中。同理，另外四滾珠 70夾設於第一轉接頭6〇之框轉部63與另一殼體5·1之收容 部52之間，收容於樞轉部63另一側之凹槽6380及收容部 52之凹槽520中。該滾珠70使得第一轉接頭60之樞轉部 63與二殼體51之收容部52相隔開一定之距離’因此樞轉 部63、收容部52與其中二滾珠70之間形成一空隙以供電 線穿過。連接燈頭之電線穿過第一轉接頭60之固定部之 中心孔622、樞轉部63之通孔633以及該空隙，以穿過燈 桿50。 [0012]當第一轉接頭60相對第二轉接頭5〇轉動時，由於滾珠70 可以在枢轉部63凹槽6380及收容部52之凹槽520内滾動 ’並且電線始終穿設於光滑之滾珠70之間，即使第一轉 接頭60相對燈桿50大角度轉動，穿過空隙之電線依然不 容易與到傷電線之部件接觸，有效地避免了電線在第一 轉接頭60轉動之過程中刮破；同時由於第一轉接頭6〇與 1013043720-0 09615109於單编號 Α0101 1.364511 101年.02月07日楱正替換頁 第二轉接頭50由習知技術中之面摩擦改變為滚動摩擦， 使得轉軸裝置之磨損降低，延長了燈具之壽命。 [0013] 另外，第一轉接頭60與第二轉接頭50可以藉由一固定件 (圖未示）如螺桿螺母組合固定在一起，即由螺桿藉由 二殼體51之收容部52之貫穿孔523、第一轉接頭60之框 轉部63之通孔633，與螺母螺合以將第一轉接頭60與第二 轉接頭50固定在一起，使第一轉接頭60與第二轉接頭50 之間具有足夠之阻定力，又可以很好地轉動。其中，該 螺桿之直徑可以比第一轉接頭60之樞轉部63之通孔633小 很多，以避免對導電線之干涉。 [0014] 同理，燈桿與燈座之間亦藉由一轉軸裝置（圖未示）連 接，穿入燈桿之電線再從該轉軸裝置之第一轉接頭60與 第二轉接頭50之間之空隙傳入至燈座，如此，藉由設置 在燈頭與燈桿、燈桿與燈座之轉軸裝置，使得燈頭之角 度具有很好之靈活性，可以根據需要調整燈頭之照射角 度，滿足使用者之需求。 [0015] 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，舉凡熟悉本案技 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内。 【圖式簡單說明】 [0016] 圖1係本發明燈具轉軸裝置之立體圖。 [0017] 圖2係圖1燈具轉軸裝置之分解圖。 Ο%·#單編號A〇101 第7頁/共15頁 1013043720-0 1364511 101年·02> 0·7曰修正替換頁 [0018] 圖3係圖1燈具轉軸裝置中第一轉接頭之立體圖。 [0019] 圖4係習知技術之燈具轉軸裝置與燈桿之立體圖。 【主要元件符號說明】 [0020] [習知] [0021] 轉軸裝置：10 [0022] 第一轉接頭：11 [0023] 樞轉部：1 5 [0024] 凸薹：17、18、19 [0025] 燈桿：20 [0026] 第一殼體：21 [0027] 第二殼體：22 [0028] 凹槽：220 [0029] 第二轉接頭：29 [0030] [本發明] [0031] 第二轉接頭：50 [0032] 殼體：51 [0033] 收容部：52 [0034] 凹槽：520、6380 [0035] 貫穿孔：523 [0036] 連接部：53 09615109#單编號 Α〇101 第8頁/共15頁 1013043720-0 1364511 [0037] 狹槽：530 [0038] 凸薹：535 [0039] 第一轉接頭：60 [0040] 本體· 61 [0041] 固定部：62 [0042] 固定孔：620 [0043] 中心孔：622 [0044] 樞轉部：63 [0045] 通孔：633 [0046] 側面：6 3 8 [0047] 滚珠：70 09615109^早編號 A〇101 第9頁/共15頁 101年0Z月07日梭正替换頁 1013043720-0The I portion 52 is connected to the connecting portion 53 of the receiving portion 52. The receiving portion 52 is provided with a circular groove 520 toward the side of the first adapter 60. The diameter of the groove 520 and the diameter of the circle of the groove 6380 of the first adapter 60 are __the household number A0101 Page 5 of 15 1013043720-0 1364511 _. 101 years. 02 months 0> Risotto is replacing page · Equal, the depth of the groove 520 is equal to the depth of the groove 6380. A through hole 523 coaxial with the recess 520 is defined in the middle of the receiving portion 52. The through hole 523 is in communication with the through hole 633 of the frame rotating portion 63 of the first adapter 60. The connecting portion 53 has two bosses 535' protruding toward one side of the first adapter 60. The two bosses 535 are provided with a slot 530'. The slot 530 communicates with the recess 520 of the receiving portion 52. [0011] When assembled, the receiving portion 52 of the second housing 51 of the second adapter 50 sandwiches the pivoting portion 63 of the first adapter 60, wherein the bosses 535 of the connecting portion 53 of the two housings 51 are mutually Reach. The four balls 70 are interposed between the pivoting portion 63 of the first adapter 6〇 and the receiving portion 52 of the housing 51, and are received in the recess 6380 of the pivoting portion 63 and the recess 520 of the receiving portion 52. in. Similarly, the other four balls 70 are interposed between the frame rotating portion 63 of the first adapter 6 与 and the accommodating portion 52 of the other housing 5·1, and are received in the groove 6380 on the other side of the pivoting portion 63. And in the recess 520 of the receiving portion 52. The ball 70 causes the pivoting portion 63 of the first adapter 60 to be spaced apart from the receiving portion 52 of the two housings 51 by a certain distance. Therefore, a gap is formed between the pivoting portion 63 and the receiving portion 52 and the two balls 70 therein. The power supply line passes through. The wire connecting the lamp cap passes through the center hole 622 of the fixing portion of the first adapter 60, the through hole 633 of the pivot portion 63, and the gap to pass through the lamp post 50. [0012] When the first adapter 60 is rotated relative to the second adapter 5, the ball 70 can be rolled in the groove 6380 of the pivoting portion 63 and the recess 520 of the receiving portion 52 and the wire is always worn through Between the smooth balls 70, even if the first adapter 60 is rotated at a large angle with respect to the lamp post 50, the wires passing through the gap are not easily contacted with the components of the damaged wire, effectively avoiding the wires at the first adapter 60. Scratch during the rotation; at the same time, due to the first adapter 6〇 and 1013043720-0 09615109 on the single number Α0101 1.364511 101.02.07 楱 replacement page second adapter 50 is by the prior art The surface friction is changed to rolling friction, which reduces the wear of the shaft device and prolongs the life of the lamp. [0013] In addition, the first adapter 60 and the second adapter 50 can be fixed together by a fixing member (not shown) such as a screw nut combination, that is, by the screw through the housing portion 52 of the two housings 51. The through hole 523 and the through hole 633 of the frame rotating portion 63 of the first adapter 60 are screwed with the nut to fix the first adapter 60 and the second adapter 50 together, so that the first adapter There is sufficient resistance between the 60 and the second adapter 50, and it can rotate well. Wherein, the diameter of the screw can be much smaller than the through hole 633 of the pivoting portion 63 of the first adapter 60 to avoid interference with the conductive wire. [0014] Similarly, the light pole and the socket are also connected by a rotating shaft device (not shown), and the electric wire penetrating the light pole is further connected from the first joint 60 and the second joint of the rotating shaft device. The gap between the 50s is transmitted to the lamp holder. Thus, by providing the rotating shaft device of the lamp cap and the lamp post, the lamp post and the lamp holder, the angle of the lamp cap is very flexible, and the illumination angle of the lamp cap can be adjusted as needed. To meet the needs of users. [0015] 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 equivalent modifications or variations made by those skilled in the art in light of the spirit of the present invention are It should be covered by the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS [0016] FIG. 1 is a perspective view of a lamp shaft device of the present invention. 2 is an exploded view of the luminaire shaft assembly of FIG. 1. Ο%·#单号A〇101 Page 7/Total 15 Page 1013043720-0 1364511 101年02> 0·7曰Revision replacement page [0018] Figure 3 is the first adapter in the lamp shaft device of Figure 1. Stereo picture. [0019] FIG. 4 is a perspective view of a conventional lamp shaft device and a light pole. [Main component symbol description] [0020] [Practical] [0021] Rotary shaft device: 10 [0022] First adapter: 11 [0023] Pivoting portion: 1 5 [0024] Convex: 17, 18, 19 [0025] Light pole: 20 [0026] First housing: 21 [0027] Second housing: 22 [0028] Groove: 220 [0029] Second adapter: 29 [0030] [Invention] [ 0031] Second adapter: 50 [0032] Housing: 51 [0033] Housing: 52 [0034] Groove: 520, 6380 [0035] Through hole: 523 [0036] Connection: 53 09615109# No. 101 Page 8 of 15 1013043720-0 1364511 [0037] Slot: 530 [0038] Concavity: 535 [0039] First adapter: 60 [0040] Body · 61 [0041] Fixing section :62 [0042] Fixing hole: 620 [0043] Center hole: 622 [0044] Pivoting part: 63 [0045] Through hole: 633 [0046] Side: 6 3 8 [0047] Ball: 70 09615109^ Early No. A 〇101 Page 9 / Total 15 pages 101 years 0Z month 07 shuttle replacement page 1013043720-0