TWM580793U - Fast ON structure of small circuit breaker - Google Patents
Fast ON structure of small circuit breaker Download PDFInfo
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- TWM580793U TWM580793U TW108203286U TW108203286U TWM580793U TW M580793 U TWM580793 U TW M580793U TW 108203286 U TW108203286 U TW 108203286U TW 108203286 U TW108203286 U TW 108203286U TW M580793 U TWM580793 U TW M580793U
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Abstract
一種小型斷路器之快投結構,包括有一底板,一上蓋結合於該底板上,一把手樞設於該底板上並且與該上蓋鄰接,一彈簧軸設置於該底板中,一機構組件、一復歸組件及一接觸子均裝設於該底板中;該機構組件包含有一支持軸、一支持座、一可動子固定板、一可動子及一拉簧;該復歸組件包含有一復歸桿、一上連桿、一U型連桿及一跳脫拉桿;該接觸子對應該可動子的端部,設置有一接點;該小型斷路器之快投結構之特徵在於:一快投連桿,裝設於該底板中,具有一結合部,該結合部套接於該把手上的凹槽中,一下端部設置於該快投連桿下端,一彈性部自該快投連桿一側延伸設置。 A fast throwing structure of a small circuit breaker includes a bottom plate, an upper cover is coupled to the bottom plate, a handle is pivotally arranged on the bottom plate and is adjacent to the upper cover, a spring shaft is provided in the bottom plate, a mechanism component and a return component And a contact are installed in the bottom plate; the mechanism assembly includes a support shaft, a support seat, a movable plate, a movable element and a tension spring; the return assembly includes a return lever and an upper link 1. A U-shaped connecting rod and a trip lever; the contactor corresponds to the end of the movable member and is provided with a contact; the fast-throwing structure of the small circuit breaker is characterized by a fast-throwing connecting rod, which is installed on the The bottom plate has a coupling portion, the coupling portion is sleeved in the groove on the handle, a lower end portion is disposed at the lower end of the quick-throw link, and an elastic portion extends from one side of the quick-throw link.
Description
本創作係關於一種斷路器,尤指一種小型斷路器之快投結構。 This creation is about a circuit breaker, especially a fast-throw structure of a small circuit breaker.
小型斷路器,可應用於配線上使用的總開關與分電流控制開關,是一種保護電器的重要元件,其主要是作為短路保護和防止嚴重超載,在工業機器上的馬達負載線路保護也會指定使用斷路器作為保護裝置之一,當斷路器偵測到短路、漏電或嚴重超載等問題時,斷路器可以立即跳脫來保護線路及電器。 Miniature circuit breaker, which can be applied to the main switch and sub-current control switch used on the wiring, is an important component for protecting electrical appliances, which is mainly used as short circuit protection and to prevent serious overload. The motor load line protection on industrial machines will also be specified Use a circuit breaker as one of the protection devices. When the circuit breaker detects a short circuit, leakage, or severe overload, the circuit breaker can immediately trip to protect the circuit and electrical appliances.
如圖1所示,習知小型斷路器包含有一底板60、一把手61、一支持座62、一可動子63、一主支點64、一復歸桿65、一復歸扭簧66、一兩合金板67、一接觸子68及一接點69,把手61樞設於底板60上,支持座62及可動子63結合於底板60,並套設於主支點64上。復歸桿65及復歸扭簧66結合後係套設於支持座62之一支點(圖中未示)上,接觸子68結合於底板60,接點69設置於接觸子68上。 As shown in FIG. 1 , the conventional miniature circuit breaker includes a bottom plate 60, a handle 61, a supporting seat 62, a mover 63, a main fulcrum 64, a return lever 65, a return torsion spring 66, and one or two alloy plates 67 1. A contact 68 and a contact 69. The handle 61 is pivotally mounted on the bottom plate 60. The support 62 and the movable element 63 are combined with the bottom plate 60 and sleeved on the main fulcrum 64. After the return lever 65 and the return torsion spring 66 are combined, they are sleeved on a fulcrum (not shown) of the support base 62, the contact 68 is connected to the bottom plate 60, and the contact 69 is disposed on the contact 68.
支持座62與可動子63以一扭簧(圖中未示)結合後組入於主支點64上,但因扭簧施力非直線,在機構投入的過程中,可動子63無法每次平整地與接觸子68的接點69嚙合,造成了接觸不良、接觸壓力不穩定及 溫升較高等缺失;同時,習知小型斷路器,其機構動作不穩定,容易造成短路試驗時絕緣耐壓不良,跳脫試驗時再現性差,導致重工費時。 The support base 62 and the movable member 63 are combined with a torsion spring (not shown) and assembled on the main fulcrum 64. However, due to the non-linear torsion force of the torsion spring, the movable member 63 cannot be flatly connected with The contact 69 of the contact 68 is engaged, resulting in poor contact, unstable contact pressure and The temperature rise is relatively high; at the same time, the conventional miniature circuit breakers have unstable mechanism operation, which is likely to cause poor insulation withstand voltage during the short circuit test and poor reproducibility during the trip test, resulting in time-consuming heavy work.
綜合以上原因,使得習知技術仍存在有改良的空間,本創作人有鑑於此,乃積極研究,加以多年從事相關產品研發之經驗,並經不斷試驗及改良,終於發展出本創作。 Based on the above reasons, there is still room for improvement in the conventional technology. In view of this, the creator is actively researching, adding years of experience in the development of related products, and after continuous experimentation and improvement, this creation has finally been developed.
本創作之主要目的在於提供一種小型斷路器之快投結構,在短路時斷路器投入過程中,使可動子快速地與接觸子接觸,降低可動子與接觸子的停滯時間,減少短路弧光以減少可動子損耗,以提高短路容量。 The main purpose of this creation is to provide a fast-throw structure for small circuit breakers. During the short circuit, the mover is in rapid contact with the contactor, reducing the stagnation time of the mover and the contactor, and reducing the short circuit arc light to reduce Mover loss to increase short-circuit capacity.
為了達成上述之目的,本創作係提供一種小型斷路器之快投結構,包括有一底板,一上蓋結合於該底板上,一把手樞設於該底板上並且與該上蓋鄰接,一彈簧軸設置於該底板中,一機構組件、一復歸組件及一接觸子均裝設於該底板中;該機構組件包含有一支持軸,一支持座與一可動子固定板樞接結合,該支持座上設置有一限位部,該可動子固定板上設置有一前端部,該支持座與該可動子固定板結合後係將該支持座套設於該支持軸上,一可動子固定於該可動子固定板下端,一拉簧一端固定於該底板之彈簧軸上,另一端固定於該可動子固定板上;該復歸組件包含有一復歸桿,一上連桿設置於該支持座上,同時與該復歸桿接觸,一U型連桿一端套接於該把手,另一端套接於該上連桿,一跳脫拉桿一端設置於該底板中,另一端套接於該復歸桿;該接觸子設置有一接點,該接點對應該可動子的端部而設置,使該可動子與該接點可相互抵接;該小型斷路器之快投結構之特徵在於:一快投連桿,裝設於該底板中,具有一結合部,該結合 部套接於該把手上的凹槽中,一下端部設置於該快投連桿下端,一彈性部自該快投連桿一側延伸設置。 In order to achieve the above purpose, the present invention provides a quick-release structure for a small circuit breaker, which includes a bottom plate, an upper cover coupled to the bottom plate, a handle pivotally arranged on the bottom plate and adjacent to the upper cover, and a spring shaft is provided on the In the bottom plate, a mechanism component, a return component and a contactor are all installed in the bottom plate; the mechanism component includes a support shaft, a support base is pivotally combined with a movable sub-fixing plate, and a limit is provided on the support base The movable part fixing plate is provided with a front end part. After the support base is combined with the movable part fixing plate, the supporting seat is sleeved on the supporting shaft, and a movable part is fixed on the lower end of the movable part fixing plate. One end of a tension spring is fixed on the spring shaft of the bottom plate, and the other end is fixed on the movable sub-fixing plate; the return assembly includes a return lever, and an upper connecting rod is provided on the support seat and in contact with the return lever, A U-shaped connecting rod is sleeved on the handle at one end, and the upper connecting rod is sleeved at the other end, one end of the tripping lever is set in the bottom plate, and the return lever is sleeved at the other end; There is a contact, which is set corresponding to the end of the mover, so that the mover and the contact can abut against each other; the quick-throw structure of the small circuit breaker is characterized by: a quick-throw connecting rod, installed In the bottom plate, there is a joint part, the joint The part is sleeved in the groove on the handle, the lower end is arranged at the lower end of the quick-throw connecting rod, and an elastic part is extended from one side of the fast-throw connecting rod.
為了進一步瞭解本創作之特徵及技術內容,請詳細參閱以下有關本創作之詳細說明與附圖,然而所附圖式僅供參考與說明用,並非用來對本創作做任何限制者。 In order to further understand the characteristics and technical content of this creation, please refer to the following detailed description and drawings related to this creation. However, the drawings are for reference and explanation only, and are not intended to limit the creation.
10‧‧‧底板 10‧‧‧Bottom plate
11‧‧‧上蓋 11‧‧‧Cover
12‧‧‧把手 12‧‧‧handle
13‧‧‧彈簧軸 13‧‧‧Spring shaft
20‧‧‧機構組件 20‧‧‧Institutional components
21‧‧‧支持軸 21‧‧‧Support shaft
22‧‧‧支持座 22‧‧‧Support seat
221‧‧‧限位部 221‧‧‧Limiting Department
23‧‧‧可動子固定板 23‧‧‧movable fixed plate
231‧‧‧前端部 231‧‧‧Front end
24‧‧‧可動子 24‧‧‧movable
25‧‧‧拉簧 25‧‧‧tension spring
30‧‧‧復歸組件 30‧‧‧Reset components
31‧‧‧復歸桿 31‧‧‧Return lever
32‧‧‧上連桿 32‧‧‧Upper connecting rod
33‧‧‧U型連桿 33‧‧‧U-shaped connecting rod
34‧‧‧跳脫拉桿 34‧‧‧trip lever
40‧‧‧接觸子 40‧‧‧Contact
41‧‧‧接點 41‧‧‧Contact
50‧‧‧快投連桿 50‧‧‧Quick shot link
51‧‧‧結合部 51‧‧‧Joint
52‧‧‧下端部 52‧‧‧Lower end
53‧‧‧彈性部 53‧‧‧Elastic Department
60‧‧‧底板 60‧‧‧Bottom plate
61‧‧‧把手 61‧‧‧handle
62‧‧‧支持座 62‧‧‧Support
63‧‧‧可動子 63‧‧‧movable
64‧‧‧主支點 64‧‧‧Master pivot
65‧‧‧復歸桿 65‧‧‧Return lever
66‧‧‧復歸扭簧 66‧‧‧Return torsion spring
67‧‧‧兩合金板 67‧‧‧Two alloy plates
68‧‧‧接觸子 68‧‧‧Contact
69‧‧‧接點 69‧‧‧Contact
圖1為習知技術的立體圖。 FIG. 1 is a perspective view of a conventional technology.
圖2為本創作小型斷路器之快投結構的底板與上蓋的立體分解圖。 Fig. 2 is an exploded perspective view of the bottom plate and the upper cover of the quick-release structure of the miniature circuit breaker.
圖3為本創作小型斷路器之快投結構的立體分解圖。 Fig. 3 is an exploded perspective view of the fast throwing structure of the miniature circuit breaker.
圖4為本創作小型斷路器之快投結構的前視圖。 Figure 4 is a front view of the fast-throw structure of the miniature circuit breaker.
圖5為本創作小型斷路器之快投結構的部分組件的前視示意圖。 FIG. 5 is a schematic front view of some components of a quick-release structure for creating a miniature circuit breaker.
請參閱圖2至圖5所示,圖2為本創作小型斷路器之快投結構的底板與上蓋的立體分解圖,圖3為本創作小型斷路器之快投結構的立體分解圖,圖4為本創作小型斷路器之快投結構的前視圖,圖5為本創作小型斷路器之快投結構的部分組件的前視示意圖。本創作係關於一種小型斷路器之快投結構,包括有一底板10,一上蓋11結合於該底板10上,該把手12樞設於該底板10上並且與該上蓋11鄰接,一彈簧軸13設置於該底板10中,一機構組件20、一復歸組件30及一接觸子40均裝設於該底板10中。 Please refer to FIGS. 2 to 5. FIG. 2 is a perspective exploded view of a bottom plate and an upper cover of a quick-release structure for creating a miniature circuit breaker, and FIG. 3 is a perspective exploded view of a quick-release structure for creating a miniature circuit breaker. FIG. 4 For the front view of the quick-release structure of the miniature circuit breaker, FIG. 5 is a schematic front view of some components of the quick-release structure of the miniature circuit breaker. This creation relates to a quick-release structure of a small circuit breaker, including a bottom plate 10, an upper cover 11 coupled to the bottom plate 10, the handle 12 is pivotally mounted on the bottom plate 10 and adjacent to the upper cover 11, a spring shaft 13 is provided In the bottom plate 10, a mechanism component 20, a return component 30 and a contactor 40 are all installed in the bottom plate 10.
該機構組件20,包含有一支持軸21,一支持座22與一可動子 固定板23樞接結合,該支持座22上設置有一限位部221,該可動子固定板23上設置有一前端部231,該支持座22與該可動子固定板23結合後係將該支持座22套設於該支持軸21上,一可動子24固定於該可動子固定板23下端,一拉簧25一端固定於該底板10之彈簧軸13上,另一端固定於該可動子固定板23上。 The mechanism assembly 20 includes a support shaft 21, a support seat 22 and a movable element The fixing plate 23 is pivotally connected, the supporting seat 22 is provided with a limiting portion 221, the movable sub-fixing plate 23 is provided with a front end portion 231, and the supporting base 22 is combined with the movable sub-fixing plate 23 to form the supporting seat 22 is sleeved on the support shaft 21, a movable element 24 is fixed to the lower end of the movable element fixing plate 23, a tension spring 25 is fixed at one end to the spring shaft 13 of the bottom plate 10, and the other end is fixed to the movable element fixing plate 23 on.
該復歸組件30,包含有一復歸桿31,一上連桿32設置於該支持座22上,同時與該復歸桿31接觸,一U型連桿33一端套接於該把手12,另一端套接於該上連桿32,一跳脫拉桿34一端設置於該底板10中,另一端套接於該復歸桿31。 The return assembly 30 includes a return lever 31, an upper link 32 is disposed on the support base 22, and is in contact with the return lever 31 at the same time, a U-shaped link 33 is sleeved on one end of the handle 12, and the other end is sleeved In the upper connecting rod 32, one end of the trip lever 34 is disposed in the bottom plate 10, and the other end is sleeved on the return rod 31.
該接觸子40,設置有一接點41,該接點41對應該可動子24的端部而設置,使該可動子24與該接點41可相互抵接。 The contactor 40 is provided with a contact 41 corresponding to the end of the movable member 24 so that the movable member 24 and the contact 41 can abut against each other.
該小型斷路器之快投結構之特徵在於:一快投連桿50,裝設於該底板10中,具有一結合部51,該結合部51套接於該把手12上的凹槽中,一下端部52設置於該快投連桿50下端,一彈性部53自該快投連桿50一側延伸設置。 The quick-release structure of the miniature circuit breaker is characterized by: a quick-release link 50, installed in the bottom plate 10, has a coupling portion 51, the coupling portion 51 is sleeved in the groove on the handle 12, a click The end portion 52 is disposed at the lower end of the fast-throw link 50, and an elastic portion 53 extends from the side of the fast-throw link 50.
該把手12受到外力推動,使該U型連桿33受連動並且帶動該上連桿32嚙合該復歸桿31,驅動該機構組件20順時針旋轉,當該機構組件20旋轉至臨界點時,該可動子固定板23之前端部231接觸該快投連桿50之下端部52以儲存能量,該把手12持續旋轉,利用該快投連桿50之彈性部53限制該快投連桿50被該把手12帶動,而該支持座22之限位部221抑制該快投連桿50扭轉,該把手12即快速帶動該快投連桿50,使該快投連桿50與該可動子固定板23脫離,因此該機構組件20瞬間釋放能量,而使該可動子24與該 接觸子40快速閉合,達到ON狀態。 The handle 12 is pushed by an external force, so that the U-shaped link 33 is linked and drives the upper link 32 to engage the return lever 31, driving the mechanism assembly 20 to rotate clockwise, when the mechanism assembly 20 rotates to a critical point, the The front end 231 of the movable fixed plate 23 contacts the lower end 52 of the quick-release link 50 to store energy, the handle 12 continues to rotate, and the elastic portion 53 of the quick-release link 50 restricts the quick-release link 50 from being The handle 12 is driven, and the limit portion 221 of the support seat 22 suppresses the twisting of the quick-connect link 50. The handle 12 quickly drives the quick-connect link 50 so that the quick-connect link 50 and the movable plate 23 Disengaged, so the mechanism assembly 20 instantly releases energy, so that the movable element 24 and the movable element 24 The contactor 40 closes quickly and reaches the ON state.
綜上所述,藉由本創作小型斷路器之快投結構,可改善跳脫試驗時再現性差而導致重工費時的問題,並且能在短路時斷路器投入過程中,使可動子快速地與接觸子接觸,降低可動子與接觸子的停滯時間,減少短路弧光以減少可動子損耗,以提高短路容量。 In summary, the quick-release structure of the small circuit breaker created by this invention can improve the problem of poor reproducibility during the trip test and lead to time-consuming heavy work, and can make the mover and the contactor quickly during the circuit breaker input process during short circuit. Contact, reduce the stagnation time of the mover and the contactor, reduce the short circuit arc to reduce the loss of the mover, and improve the short circuit capacity.
上述實施例僅係為了方便說明而舉例而已,本創作所主張之權利範圍自應以申請專利範圍所述為準,而非僅限於上述實施例。 The above-mentioned embodiments are only examples for the convenience of description, and the scope of the rights claimed in this creation should be subject to the scope of the patent application, and not limited to the above-mentioned embodiments.
雖然本創作已以較佳實施例揭露如上,然其並非用於限定本創作,任何熟習此技術者,在不脫離本創作之精神和範圍內,當可作些許之更動與潤飾,因此本創作之保護範圍當視後附之申請專利範圍所界定者為準。 Although this creation has been disclosed as above with the preferred embodiment, it is not used to limit this creation. Anyone who is familiar with this technology can make some changes and retouching without departing from the spirit and scope of this creation, so this creation The scope of protection shall be as defined in the scope of the attached patent application.
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TW108203286U TWM580793U (en) | 2019-03-19 | 2019-03-19 | Fast ON structure of small circuit breaker |
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TW108203286U TWM580793U (en) | 2019-03-19 | 2019-03-19 | Fast ON structure of small circuit breaker |
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