TWI250918B - Hammering assembly structure for a power tool - Google Patents

Hammering assembly structure for a power tool Download PDF

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Publication number
TWI250918B
TWI250918B TW94109040A TW94109040A TWI250918B TW I250918 B TWI250918 B TW I250918B TW 94109040 A TW94109040 A TW 94109040A TW 94109040 A TW94109040 A TW 94109040A TW I250918 B TWI250918 B TW I250918B
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TW
Taiwan
Prior art keywords
hammering
power tool
chamber
pin
impact
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TW94109040A
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Chinese (zh)
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TW200633818A (en
Inventor
Ruei-Sheng Jang
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Mighty Seven Internat Co Ltd
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Priority to TW94109040A priority Critical patent/TWI250918B/en
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Publication of TWI250918B publication Critical patent/TWI250918B/en
Publication of TW200633818A publication Critical patent/TW200633818A/en

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Abstract

This invention relates to a ""hammering assembly structure for a power tool,"" including: a hammering chamber and a hammering element. The hammering chamber is provided in the power tool and driven to rotate by the power tool. The hammering chamber is provided at an end thereof with two pin-holes that are each slidably provided with a percussion pin. The hammering chamber is provided with a resilient body in each of the two pin-holes. The resilient body applies a force to cause the percussion pins to move out of the pin-holes. The hammering element includes a first end and a second end. The first end has an end face that is formed with two indents, through which the two percussion pins may extend. The second end of the hammering element is provided with a transmission shaft. The transmission shaft serves to tighten or release a workpiece. As such, the hammering chamber and the hammering element can simplify the manufacturing process and reduce assembling time, reduce manufacturing cost and improve structural strength.

Description

1250918 九、發明說明: 【發明所屬之技術領域】 本發明主要係揭不^一種動六丁曰aA 女動力工具鎚打組結構,尤指具 有一疋扭力大小之動力工具鎚打組結構者。 【先前技術】 按,社會的結構形態日新月異,人們所需求的生活品 • 質相對提高’對事物的要求也從「能用就好」的老舊思維, 變得相當細腻,唯有不斷進步或創新的構想,才能滿足現 代社會的需求。 請參照我國專利公告編號第257124號之「動力扭力扳 手離合器構造改良」專利案,其離合器4包括有一擊錄座 筒41、二擊鎚塊42、42,、一傳動扭力軸43及二插銷44 ; 該擊鍵座筒41中間設有中空之打擊室川,該二擊鍵塊 42、42’則設於該打擊室411内,且可同部旋轉及相對單擺 • 於该打擊室4丨1之一側,該二插銷44係分別穿伸過該二擊 鎚塊,使該二擊鎚塊42、42,可相對擺動者;該傳動扭力 軸43則穿置於該二擊鎚塊42、42,中間,且可帶動該二擊 鎚塊42、42’旋轉輸出扭力者。 該習知結構於實用上仍有多處缺點,因其離合器4之 構件較多,且該些構件之間需要相互穿設組裝而成,在結 構上之強度較差,使用壽命低容易損壞,且其組裝較浪費 工時,亦較耗費生產成本,不符產業利用。除此之外,此 種動力扭力扳手在旋緊工作物之後,還需利用手動的扭力 1250918 扳手將工作m反緊至-定扭力值,在使用上較為麻煩,此 動力扭力扳手無法於生產時控制其輸出扭力大小,相當不 一 實用。再者,其於衝擊時並無減震設計,在使用時較為費 力,各易讓使用者感到疲勞,無法廣受消費者喜愛。、 有鑑於上述習知結構之缺失,本發明人乃發明出一種 『動力工具之鎚打組結構』,其係可克服上述習式製品之所 有缺點。 【發明内容】 θ本發明『動力工具之鎚打組結構』所欲解決之技術問 題係在於,該習知結構之離合器的構件較多,且該些構件 ^間需要相互穿設組裝而成,在結構上之強度較差,使用 可〒低谷易損壞,且其組裝較浪費工時,亦較耗費生產成 本不符產業利用。除此之外,此種動力扭力扳手在旋緊 =作物之後’還需利用手動的扭力扳手將卫作物板緊至一 疋扭力值’在使用上較為麻煩,此動力扭力扳手無法於生 ^時控制其輸出扭力大小,相當不實用。再者,其於衝擊 時並無減震設計,在使用時較為費力,容易讓使用者感到 疲勞,無法廣受消費者喜愛。 本發明『動力工具之鍵打組結構』,其包括有一鎚打 室與一鍵打元件;顧打线設於動力X具内,且可由動 力工具帶動而旋轉,該鎚打室於—麟有二鎖孔,該二鎖 ί内分ϋ滑設有—衝擊銷,該鎚打室於該二鎖孔内分別裝 。又有-彈性體’轉性體係提供—力使該衝擊銷向該銷孔 6 1250918 ,,者,該鍵打几件係键於 鎚打室的帶動而旋轉,心…‘ 丁至上經由该 其第-端之端面開設有:二70具有弟-端與第二端’ 衝擊銷伸人槽=二凹槽係可分別供該二 =二旋=放鬆工作物者;藉此,_打_ 口間化t造触與節省組裝卫時 與增加結顧度n τ 11+低生產成本 之„ u 再者,本發明更可供消費者選擇所需要 内的^觀撕讀崎抽力安全極限值之 Ή翻提高I作效率的伽,還可滿足 〆、之不同需求,為一相當符合產業利用之設計。 /、他目的k點和本發明的新穎特性將從以下詳細的 描述與相關的附圖更加顯明。 【實施方式】 —有關本發明所採用之技術、手段及其功效,兹舉一較 籲仏貫施例並配合圖式詳述如後,此僅供說明之用,在專利 申請上並不受此種結構之限制。 參照第一圖與第二圖,本發明包括有—鎚打室20與一 鎚打元件30 ;該鎚打元件30 —體成型有一傳動軸32,且 5亥鍵打元件30可錯由該鍵打室1 〇的帶動,而使動力工且 10以一定扭力值進行旋緊工作物之動作,其中·· 該鎚打室20之中心開設有一貫穿兩端之轴孔21,該 鎚打室20係設於動力工具1〇之罩殼丨丨内,且可由動力工 具10的τ動而旋轉者。該鍵打室20於一端則開設有分別 1250918 與該鎚打室20中心為尤η 00, 钓不冋距離之第一銷孔22與第二銷孔 22,其中該第一銷孔2? ^ 土 ^車父运離於該鎚打室20中心,而該 第二銷孔22’係較靠近於 迎於^亥鎚打室20中心。該第一銷孔22 與第二銷孔22’係相差 百八十度的分佈於該鎚打室20 上。 該鎚打室20異於_ 一 μ 落一銷孔22、22’之一端則開設有分 別與該二銷孔22、22,诖通a / 、 ^運通之通孔23、23,(如圖四),其 可供氣體流通者,而兮_、s , 阳通一通孔23、23,之直徑係較該二銷 孔22、22為小。太恭gg 本么明之鎚打室20結構設計簡單,可有 效化衣^提〶產能,為_極具產業儀性之設計。 七;。亥鍵^至20於該第_銷孔22與第二銷孔22,内分別 衣。又有/第衝擊銷24與-第二衝擊銷24,,該二衝擊銷 24係刀%可於该二銷孔22、22,内產生軸向之滑移關 係,A衝名銷24、24,分別於一端形成有一衝擊部25、 25 ’。亥-衝擊銷24、24’於該衝擊部25、25,之一端還設 有倒^ 26 26。該鎚打室20於該二銷孔22、22,内還分 別…又有/彈性體27、27’ ’該彈性體27、27’係可提供一 力使Α-衝擊銷24、24,恆向該二銷孔22,22,夕卜移動者。 ,^ (之一為係頂推於該銷孔22、22,與該通孔 23 23*之又接處,另一端則頂推於該衝擊銷24、24,。本 杂明可藉由“用不同彈性係數之彈性體27、27,,來控制 動力工具10輪出之扭力大小者。 二I打元件30係樞接於該鎚打室20之軸孔21處,該 键打το件3G具有第—端與第二端,其第—端之中心突設有 i25〇9l8 車由桿31,該軸桿 21内,使該鎚打元、可抱轉的設於該越打室20之轴孔 衡闕係。該鎚打元杜如可相對於該越打室2〇產生支撐平 32,該傳動軸32係片於第二端之中心則延伸出-傳動軸 -本發明之=::突:出動…的罩殼η外。 佳可降低生產了元件30上,不 進步性之設計者。 構強度者,為—相當具有 聲 打元二Π〇於弟一端之端面33開設有分別與該鍵 34,.,〜為不同距離之第一凹槽34與第二凹枰 =其中該第-凹槽34較遠離於賴打元件3q中心= 遠弟二凹槽34’則較靠近於該鎚打元件3 而 二 =該第二凹諸係相差一百八十度的分二 本:㈠由上"^亥一凹槽34、34’係具有相同之失角。於 本實知例中該二凹槽34、34,係實施為—彎弧形狀者。 該第一凹槽34之位置係對位於該第一衝擊銷%之位 置,故可供該第一衝擊銷24伸入,而該第二凹槽料,之位 置則對位於該第二衝擊銷24’之位置,故可供該第二衝擊 銷24’伸入者。該二凹槽34、34,分別具有一深淺不同的傾 斜狀底部35、35’,與一設於該底部周側之傾斜狀壁部祁、 36,。該第一凹槽34之底部35可與該第一衝擊銷24之衝 擊部25相接觸,而該第一凹槽34之壁部36則可與該第一 衝擊銷24之倒角26相接觸。該第二凹槽34,之底部35, 可與該第二衝擊銷24,之衝擊部25,相接觸,而該第二凹槽 34’之壁部36,則可與該第二衝擊銷24,之倒角部,相^ Ϊ250918 觸。於本實施例中該鎚打室20每旋轉三百六十度則產生一 次衝擊動作。而本發明可藉由控制該鎚打元件別的凹槽 34、34’長度、或底部35、35,深淺度、或壁部36、36,傾 斜角度來控制動力工具1〇輪出之扭力大小者。 該鎚打元件30之第二端與罩殼u之間還設有一吸震 件37,用以降低其噪音與震動。該吸震件耵之截面係設 為一弧形狀,用以提供一彈性者。該吸震件37之中心設有 —穿孔38,該吸震件37係藉該穿孔38而可套設於該鎚打 元件30之傳動軸32上。 茶妝第二圖與第四圖,當該鎚打室20尚未旋轉時,該 ,打το件30藉由該吸震件37的頂推而使該肋元件3〇 第端之端面33接觸於該鎚打室2〇上。而該鎚打室2〇 之,二銷孔22、22,内的二衝擊銷24、24,則分別以其衝擊部 25 25頂推於該鎚打元件30之端面33上。 —麥妝第五圖與第六圖,當該鎚打室20開始旋轉時(本 實施例中該鍵打室20係以順時針旋轉),該三衝擊銷24、 24,係分別由該鍵打元件3〇端面33的位置滑移至該二凹槽 34 ^内。而此時該鍵打元件30之二凹槽34、34,由於 :該—衝擊銷24、24’的撞擊,故會使該鎚打元件 η磁由向位移並壓迫該吸震件37,使該吸震件37稍微 I::: 士而此吸震件37在吸收此撞擊之力後,可有效的 降低刼作時的震動與噪音。 今篦’、一衝擊銷24係落入第1槽34之深處,且 該弟一物肖24之衝擊㈣與㈣26係分別接觸於該第 10 1250918 一凹槽34之底部35鱼辟邱扣 3, 2" ^ ^ 倒角26’係分別接觸於 ^ 24之衝擊部25與 36,。 弟一凹槽34,之底部35,與壁部 衝擊銷2^七2:與第八圖’當鎚打室20持續旋轉時’該二 分別由該二凹槽34、34,之深處滑移至淺 ί34=Γ, 時之鍵#的壁部36、36’上。請同時參照第九圖,此 打元件可同時帶動简打林3()旋轉,使該鍵 打凡件別傳動軸32的_端可用以旋緊工作物。 =照第十圖至第十二圖,當旋緊工作物達到一定的扭 ’賴打元件3〇將會形成料狀態,使得該二衝擊 勒24、24,退出該二凹槽34、34,而接觸於該鍵打元件3〇 之端面33上’並使該趣打室2〇形成空轉狀態。而此扭力 值可藉由㈣該二賴體27、27,之彈性係數、或是控制 該越打兀件30的凹槽34、34,長度、或底部35、35,深淺 度、或壁部36、36傾斜角度來變化者。 而操作時將該鍵打室20反向旋轉(即逆時針旋轉), 即可進行放鬆工作物的動作,操作簡便,且使維修更加簡 易。 參照第十三圖,為本發明之第二個實施例。本實施例 與前述實施例大致相同,不同處係在於該鎚打室20僅開設 —銷孔22,用以容納一衝擊銷24與一彈性體27。而該鎚 打元件30則僅設一凹槽34以供該衝擊銷24伸入者。如此 11 1250918 亦可達到前述實施例之功效,且更節省組裝工時,可大幅 降低生產成本者。 參照第十四圖,為本發明之第三個實施例。本實施例 與第一個實施例大致相同,其差別係在於該鎚打室2〇開設 有二個與該鎚打室20中心相同距離之銷孔22、22,,且分 別容納有一衝擊銷24、24’與一彈性體27、27,。而該鎚打 元件30亦設有二個與該鎚打元件3〇中心相同距離之凹槽 34,勿別可供该一衝擊銷24、24’伸入者。如此該鍵 打室20每旋轉一百八十度則可產生一次衝擊動作者。 —芩照第十五圖,為本發明之第四個實施例。本實施例 /、第二個貫施例大致相同,其不同處係在於該鎚打元件4〇 ^開設有一扇形凹槽44,該凹槽44具有一深淺不同的傾 斜狀底部45 ’與一設於該底部45兩侧之傾斜狀壁部46。 二此^鍵打室2Q每旋轉—百人十度則可產生—次衝擊動 。當然該凹槽44亦可設為其他可供產生衝擊動作之形狀 就以上所述可以歸納出本發明具有以下之 優點 括有-斷室紅具线打組結構』,其中該鍵打組包 彈性體,㈣值^打70件,_打室設有—衝擊銷與一 八十度產生一 次衝擊動作者 少量化,可Ϊ省3\體_於該鍵打元件上,零組件 2太:二時,亦可大幅的降低生產成本。 設為每^冑力卫具之騎組結構』,其找鍵打缸可 轉=:::十度產生-次衝擊動作,亦可設為每二 12 1250918 可月『動力工具之鍵打組結構』,其中該傳動轴係 叮體,型於該鍵打元件上,簡化製程且增加結構強度者。 設為二彎ί:狀鍵打組結構』’其中該凹槽係可 形:者 扇形、或其他可供產生衝擊動作之 5.本發明『動力福之鍵打組結構』,其中動力工 制該彈性體之彈性係數、或是控制該趟打 ㈣度、或底部職度、或壁部傾斜肢來變化 由是觀之,本發明極具產業上利用價值;且又 相同或類似之發明出現於國内外 合專利法規定之積_極要件卜:應=專:已符 以之僅為本侧讀佳實_心,當不能 之限林伽貫施之翻,故軌錄之蚊或等效元 飾之f換’或依本發财請專利範圍所作之均等變化婦 飾,S應仍屬本發明專利涵蓋之範疇。 【圖式之簡要說明】 第二圖 第三圖 苐四圖 弟五圖 弟六圖 第一圖·為本發明之立體外觀圖。 為本發明之立體分解圖。 為本發明之未動作之狀態圖。 為本發明第三圖之4-4剖面圖。 為本發明之動作圖,表示衝擊鎖移至凹槽深處。 為本發明第五圖之6-6剖面圖。 13 1250918 第七圖:為本發明之動作圖 第八圖:為本發明第七圖之8—δ剖面圖。移至凹“處。 ^九圖:為本發明之動作圖,表示衝擊料_打元件旋 第十圖:為本發明之動作圖 面0 表示衝擊銷移至鎚打元件端 弟十一圖 面滑移。 為本發明之動作圖,表示衝擊銷於鎚打元件端 ,十一圖·為本發明第十—圖之剖面圖。 ^十—圖·為本發明第二個實施例之立體分解圖。 f十四圖:·為本發明第三個實施例之立體分解圖。 第十五圖·為本發明第四個實施例之立體分解圖。 附件:為我國專利公告編號第257124號專利案。 【主要元件符號說明 11罩殼 21 軸孔 22’銷孔 23’通孔 24’衝擊銷 25’衝擊部 26’倒角 27’彈性體 31軸桿 1〇 動力工具 2〇鍵打室 22銷孔 Μ通孔 24 衝擊銷 2 5衝擊部 26 倒角 彈性體 30 鍵打元件 14 傳動軸 33 端面 凹槽 34, 凹槽 底部 35, 底部 壁部 36, 壁部 吸震件 38 穿孔 鍵打元件 41 軸桿 傳動轴 43 端面 凹槽 45 底部 壁部 151250918 IX. Description of the invention: [Technical field to which the invention pertains] The present invention mainly discloses a hammering group structure of a moving abutting aA female power tool, especially a hammering group structure having a power of a torsion force. [Prior Art] According to the changing structure of society, the quality of life that people demand is relatively high. The demand for things is also very delicate from the old thinking of "can be used". Only continuous improvement is made. Or innovative ideas to meet the needs of modern society. Please refer to the patent of "Power Torque Wrench Clutch Construction Improvement" in our Patent Publication No. 257124. The clutch 4 includes a slamming seat 41, two hammer blocks 42, 42, a transmission torque shaft 43 and two pins 44. The keystroke housing 41 is provided with a hollow blow chamber in the middle, and the two-click key blocks 42 and 42' are disposed in the striking chamber 411, and can be rotated in the same portion and relatively single pendulum. One of the two latches 44 extends through the two hammer blocks, so that the two hammer blocks 42, 42 can be relatively oscillated; the transmission torque shaft 43 is placed on the two hammer blocks 42. , 42 , in the middle, and can drive the two hammer blocks 42 , 42 ′ to rotate the output torque. The conventional structure still has many disadvantages in practical use, because the clutch 4 has many components, and the components need to be assembled and assembled with each other, the structural strength is poor, the service life is low, and the damage is easy, and The assembly is more wasteful, and it is also more costly to produce than the industry. In addition, this kind of power torque wrench needs to use the manual torque 1250918 wrench to tighten the work m to the constant torque value after tightening the work. It is more troublesome to use. The power torque wrench cannot be produced. Controlling the output torque is quite practical. Moreover, it has no shock absorption design at the time of impact, and it is more laborious to use, and it is easy for the user to feel tired and cannot be widely loved by consumers. In view of the above-described lack of the conventional structure, the inventors have invented a "hammering structure of a power tool" which overcomes all the disadvantages of the above-mentioned conventional products. SUMMARY OF THE INVENTION The technical problem to be solved by the "hammering structure of a power tool" of the present invention is that the clutch of the conventional structure has many components, and the components need to be assembled and assembled with each other. The structural strength is poor, the use is easy to damage, and the assembly is relatively wasteful, and the production cost is not in line with the industrial utilization. In addition, this kind of dynamic torque wrench needs to use a manual torque wrench to tighten the blade to a torque value after screwing = crop. It is more troublesome to use. This power torque wrench can't be controlled when it is used. Its output torque is quite impractical. Moreover, it has no shock absorption design when impacted, and it is more laborious to use, and it is easy for the user to feel tired and cannot be widely loved by consumers. The invention relates to a "keying structure of a power tool", which comprises a hammering chamber and a keying component; the Guping line is arranged in the power X, and can be rotated by a power tool, and the hammering chamber is in the The two locking holes are respectively provided with an impact pin, and the hammering chamber is separately installed in the two locking holes. In addition, the elastomer-transducing system provides a force to force the impact pin to the pin hole 6 1250918. The key is rotated by the key to the hammering chamber, and the heart is ... The end surface of the first end is open: two 70 has a younger end and a second end 'impact pin extension slot = two groove system can be separately provided for the two = two rotation = relax the work; thereby, _ hit _ mouth Inter-synaptic t-touching and saving assembly time and increasing the degree of concern n τ 11+ low production cost „ u Furthermore, the invention is more suitable for consumers to choose the desired safety threshold for tearing It can also improve the efficiency of I, but also meet the different needs of 〆, is a design that is quite in line with industrial use. /, his purpose k point and the novel features of the present invention will be described in the following detailed description. The embodiment is more obvious. [Embodiment] - The technology, the means and the functions thereof used in the present invention are described in more detail, and the details are as follows. It is not limited by this structure. Referring to the first and second figures, the present invention includes - The hammering chamber 20 and a hammering member 30; the hammering member 30 is integrally formed with a transmission shaft 32, and the 5 keying member 30 can be driven by the keying chamber 1 ,, so that the power is 10 a certain torque value is used to tighten the work of the workpiece, wherein the center of the hammer chamber 20 has a shaft hole 21 extending through the two ends, and the hammer chamber 20 is disposed in the casing of the power tool 1 And can be rotated by the rotation of the power tool 10. The keying chamber 20 is opened at one end with a first pin hole 22 and a second pin respectively 1250918 and the center of the hammering chamber 20 is η 00 The hole 22, wherein the first pin hole 2? ^ soil is transported away from the center of the hammer chamber 20, and the second pin hole 22' is closer to the center of the hammer chamber 20. A pin hole 22 and a second pin hole 22' are distributed 180 degrees apart on the hammer chamber 20. The hammer chamber 20 is different from the one end of the pin hole 22, 22'. And the two pin holes 22, 22 respectively, through a /, ^ through the through holes 23, 23, (as shown in Figure 4), which is available for gas circulators, and 兮 _, s, yangtong a through hole 23, 23 Straight It is smaller than the two pin holes 22 and 22. The Gong Gong gg has a simple structure design, which can effectively improve the production capacity of the clothes, and is designed for industrial use. ^至20 in the first pin hole 22 and the second pin hole 22, respectively, respectively. There is / the first impact pin 24 and the second impact pin 24, the two impact pin 24 can be used in the second pin The holes 22, 22 have an axial sliding relationship, and the A punch pins 24, 24 are respectively formed with an impact portion 25, 25' at one end. The Hai-impact pins 24, 24' are at the impact portions 25, 25, One end also has inverted 26 26 . The hammer chamber 20 is further provided with two elastic holes 27, 27' in the two pin holes 22, 22, respectively. The elastic body 27, 27' can provide a force for the Α-impact pins 24, 24, To the two pin holes 22, 22, the mover. , ^ (one of the top pushes the pin holes 22, 22, and the through hole 23 23 * is connected, the other end is pushed against the impact pin 24, 24. This can be used by " The springs 27 and 27 of different elastic coefficients are used to control the torque of the power tool 10 to rotate. The two I-shaped components 30 are pivotally connected to the shaft hole 21 of the hammering chamber 20, and the key is used to punch the piece 3G. There is a first end and a second end, and the center of the first end thereof is provided with an i25〇9l8 car by a rod 31, and the shaft 21 is arranged such that the hammering unit can be rotatably disposed in the overrunning chamber 20 The shaft hole balance system. The hammering element Du can generate a support flat 32 with respect to the Escape chamber 2, and the drive shaft 32 is extended at the center of the second end - the drive shaft - the invention =: : sudden: out of the cover of the η outside. Jiake reduced the production of the component 30, the designer of the non-progressive. The strength of the construction, for the equivalent of the sound of the two sides of the second end of the brother 33 open separately The first groove 34 and the second recess 枰 are different from the key 34, ., 〜== wherein the first groove 34 is farther away from the center of the slamming element 3q=the second groove 34' is closer to Hammering element 3 and 2 = the second concave system is divided into two hundred and eighty degrees: (1) from the upper " ^Hai a groove 34, 34' has the same angle of loss. In the present example, the second The grooves 34, 34 are implemented as a curved shape. The position of the first groove 34 is located at the first impact pin %, so that the first impact pin 24 can be inserted. The second groove material is located at the position of the second impact pin 24', so that the second impact pin 24' can be inserted into the second impact pin 24'. The two grooves 34, 34 respectively have a different inclination a bottom portion 35, 35', and a slanted wall portion 祁, 36 disposed on the peripheral side of the bottom portion. The bottom portion 35 of the first groove 34 can be in contact with the impact portion 25 of the first impact pin 24, and The wall portion 36 of the first recess 34 is in contact with the chamfer 26 of the first impact pin 24. The second recess 34, the bottom portion 35, and the impact portion 25 of the second impact pin 24 , in contact with the wall portion 36 of the second recess 34', can be in contact with the chamfered portion of the second impact pin 24. In this embodiment, the hammer chamber 20 is rotated three times. One hundred and sixty degrees produces one Impact action. The present invention can control the power tool 1 wheel by controlling the length of the groove 34, 34', or the bottom 35, 35, the depth, or the wall portions 36, 36, the angle of inclination of the hammering member. The shock absorbing member 37 is further disposed between the second end of the hammering member 30 and the casing u for reducing noise and vibration. The cross section of the shock absorbing member is set to an arc shape. The center of the shock absorbing member 37 is provided with a through hole 38 through which the shock absorbing member 37 can be sleeved on the drive shaft 32 of the hammering member 30. In the four figures, when the hammer chamber 20 has not been rotated, the end portion 33 of the first end of the rib member 3 is brought into contact with the hammer chamber 2 by the pushing of the shock absorbing member 37. In the hammer chamber 2, the two impact pins 24, 24 in the two pin holes 22, 22 are respectively pushed by the impact portion 25 25 on the end surface 33 of the hammer member 30. - the fifth and sixth figures of the wheat makeup, when the hammering chamber 20 starts to rotate (the keying chamber 20 rotates clockwise in this embodiment), the three impact pins 24, 24 are respectively made by the key The position of the end face 33 of the striking element 3 is slid into the two recesses 34^. At this time, the two grooves 34, 34 of the keying member 30, due to the impact of the impact pin 24, 24', cause the hammering member to magnetically displace and press the shock absorbing member 37, so that the The shock absorbing member 37 is slightly I::: and the shock absorbing member 37 can effectively reduce the vibration and noise during the operation after absorbing the force of the impact. Today, a shock pin 24 falls into the depth of the first slot 34, and the shock (4) and (4) 26 of the brother-in-law 24 are respectively in contact with the bottom of the groove 10 of the 10th 1250918, respectively. 3, 2" ^ ^ The chamfer 26' is in contact with the impact portions 25 and 36 of the ^ 24, respectively. a groove 34, a bottom 35, and a wall impact pin 2^7 2: and an eighth figure 'When the hammer chamber 20 continues to rotate, the two are respectively slipped by the two grooves 34, 34. Move to the wall 36, 36' of the light 3434=Γ, Shizhi key#. Please also refer to the ninth figure. This component can simultaneously drive the simple 3 () rotation so that the _ end of the drive shaft 32 can be used to tighten the work. = according to the tenth to twelfth figures, when the tightening work reaches a certain twisting, the hitting element 3 will form a material state, so that the two impacts 24, 24 exit the two grooves 34, 34, And contacting the end face 33 of the keying member 3' and causing the fun chamber 2 to form an idling state. The torque value can be obtained by (4) the elastic coefficient of the second body 27, 27, or the groove 34, 34, the length, or the bottom 35, 35, the depth, or the wall of the ramming member 30. 36, 36 tilt angle to change. In the operation, the key chamber 20 is rotated in the reverse direction (i.e., counterclockwise rotation), so that the work of relaxing the work can be performed, the operation is simple, and the maintenance is simpler. Referring to the thirteenth embodiment, a second embodiment of the present invention is shown. This embodiment is substantially the same as the foregoing embodiment, except that the hammer chamber 20 has only a pin hole 22 for receiving an impact pin 24 and an elastic body 27. The hammering member 30 is provided with only a recess 34 for the impact pin 24 to extend. Thus, 11 1250918 can also achieve the effects of the foregoing embodiments, and saves assembly man-hours, and can greatly reduce the production cost. Referring to Figure 14, a third embodiment of the present invention is shown. This embodiment is substantially the same as the first embodiment, except that the hammer chamber 2 is provided with two pin holes 22, 22 at the same distance from the center of the hammer chamber 20, and each accommodates an impact pin 24. 24' with an elastomer 27, 27,. The hammering member 30 is also provided with two recesses 34 at the same distance from the center of the hammering member 3, so that the impact pins 24, 24' are not allowed to extend. Thus, each time the key chamber 20 is rotated by one hundred and eighty degrees, an impact can be generated. - A fifteenth diagram, which is a fourth embodiment of the present invention. The second embodiment is substantially the same as the second embodiment. The difference is that the hammering member 4 is provided with a scalloped groove 44 having a slanted bottom portion 45' and a plurality of different depths. An inclined wall portion 46 on both sides of the bottom portion 45. Two of the ^ key chamber 2Q per rotation - a hundred people ten degrees can produce - impact. Of course, the groove 44 can also be set to other shapes for generating an impact action. The above description can be summarized as follows: the present invention has the following advantages: a broken-frame red-line line hitting structure, wherein the key hits the package elastic Body, (four) value ^ hit 70 pieces, _ hit room is set - impact pin and one hundred and eighty degree to produce a shock to the author of a small amount, can save 3 \ body _ on the key hit component, component 2 too: two At the same time, the production cost can be greatly reduced. Set to the structure of the riding group of each 胄力卫具, its key-to-cylinder can be rotated =::: ten degrees to produce - times impact action, can also be set to every 12 1250918 months can be "power tool key hit group The structure, wherein the drive shaft is a body, shaped on the keying member, which simplifies the process and increases the structural strength. Set to two bends ί: shape key structure 』 'The groove can be shaped: fan shape, or other shock-prone action 5. The invention "power Fu key hit structure", which power system The elastic coefficient of the elastic body, or the change of the beating (four) degree, or the bottom working degree, or the inclined limb of the wall is changed, the invention has great industrial value; and the same or similar invention appears. In the domestic and foreign patent law provisions of the product _ extremely important pieces: should = special: has been only used to read this side of the best _ heart, when the limit can not be limited to the forest, the traces of the mosquito or equivalent The f-changes or the equal changes in the scope of the patent application, S should still be covered by the patent of the invention. [Brief description of the figure] The second picture The third picture The fourth picture The fifth picture The younger figure The first picture is the three-dimensional appearance of the present invention. It is a perspective exploded view of the present invention. It is a state diagram of the inoperative state of the present invention. This is a cross-sectional view of 4-4 of the third drawing of the present invention. In the action diagram of the present invention, the impact lock is moved to the depth of the groove. It is a sectional view of 6-6 of the fifth drawing of the present invention. 13 1250918 Fig. 7 is an action diagram of the present invention. Fig. 8 is a sectional view taken along line 8 - δ of the seventh diagram of the present invention. Move to the concave "where. ^ Nine diagram: the action diagram of the present invention, showing the impact material _ hit the component rotation tenth diagram: the action diagram of the present invention 0 indicates that the impact pin is moved to the end of the hammering component The operation diagram of the present invention shows the impact pin at the end of the hammering element, and the eleventh figure is a cross-sectional view of the tenth-figure of the present invention. ^10-Fig. is a three-dimensional decomposition of the second embodiment of the present invention. Fig. f is a perspective exploded view of a third embodiment of the present invention. Fig. 15 is an exploded perspective view of a fourth embodiment of the present invention. Attachment: Patent No. 257124 of China Patent Publication No. 257124 [Main component symbol description 11 cover 21 shaft hole 22' pin hole 23' through hole 24' impact pin 25' impact portion 26' chamfer 27' elastic body 31 shaft 1 〇 power tool 2 〇 key chamber 22 Pin hole through hole 24 Impact pin 2 5 Impact portion 26 Chamfered elastic body 30 Key member 14 Drive shaft 33 End groove 34, Groove bottom 35, Bottom wall portion 36, Wall shock absorber 38 Perforated key member 41 Shaft drive shaft 43 end groove 45 bottom wall 15

Claims (1)

1250918 十、申請專利範圍: 1. 一種動力工具之鎚打組結構,其包括: 一鍵打室,係設於動力工具内,且可由動力工具帶動 而旋轉,該鎚打室於一端設有至少一銷孔,該銷孔内滑設 有一衝擊銷,該鎚打室於該銷孔内還裝設有一彈性體,該 彈性體係提供一力使該衝擊銷向該銷孔外移動者;1250918 X. Patent application scope: 1. A hammering structure of a power tool, comprising: a keying chamber, which is arranged in a power tool and can be rotated by a power tool, and the hammering chamber is provided at least at one end. a pin hole, the impact hole is slidably disposed in the pin hole, and the hammer chamber is further provided with an elastic body, the elastic system provides a force to move the impact pin to the outside of the pin hole; 一鎚打元件,係樞設於該鎚打室上,且可經由該鎚打 室的帶動而旋轉,該鎚打元件具有第一端與第二端,其第 一端之端面開設有至少一凹槽,該凹槽係可供該衝擊銷伸 入,該鎚打元件之第二端則設有一傳動軸,該傳動軸可用 以旋緊或放鬆工作物者; 藉此,該鎚打室與該鎚打元件可簡化製造過程與節省 組裝工時,並降低生產成本提高產能者。 2. 如申請專利範圍第1項所述之動力工具之鎚打組結 構,其中該鎚打元件之端面開設有二個與該鎚打元件中心 相同距離之凹槽。 3. 如申請專利範圍第1項所述之動力工具之鎚打組結 構,其中該鎚打室於一端係開設有二個與該鎚打室中心不 同距離之銷孔。 4.如申請專利範圍第1項所述之動力工具之鎚打組結 構,其中該鍵打室於一端係開設有二個與該键打室中心相 同距離之銷孔。 5.如申請專利範圍第1項所述之動力工具之鎚打組結 構,其中該鎚打室於一端設有二銷孔,該鎚打元件之端面 16 1250918 開設有二凹槽,該二銷孔内之衝擊銷可分別伸入該二凹槽。 . 6.如申請專利範圍第5項所述之動力工具之鎚打組結 構,其中該二銷孔與該鎚打室中心之距離分別為不同距 離,而該二凹槽與該鎚打元件中心之距離分別為不同距離。 7.如申請專利範圍第5項所述之動力工具之鎚打組結 構,其中該二銷孔與該鎚打室中心之距離分別為相同距 離,而該二凹槽與該鍵打元件中心之距離分別為相同距離。 • 8.如申請專利範圍第2、3、4、6或7項所述之動力工 具之鎚打組結構,其中該衝擊銷靠近該鎚打元件之一端形 成有一衝擊部,該凹槽具有一可與該衝擊部接觸之底部。 9. 如申請專利範圍第8項所述之動力工具之鎚打組結 構,其中該底部係設為傾斜狀而使該凹槽具有不同之深淺 度。 10. 如申請專利範圍第9項所述之動力工具之鎚打組 結構,其中該衝擊銷於該衝擊部之一端設有倒角,而該凹 |槽於底部之兩側設有可與該倒角相抵接之傾斜狀壁部。 11. 如申請專利範圍第1、2、4、6或7項所述之動力 工具之鎚打組結構,其中該凹槽係為一彎弧形狀。 12. 如申請專利範圍第1、3或4項所述之動力工具之 鎚打組結構,其中該凹槽可係設為一扇形狀或其他可供產 生衝擊動作之形狀。 13. 如申請專利範圍第6或7項所述之動力工具之鎚打 組結構,其中該二銷孔係相差一百八十度的分佈於該鎚打 •室上,該二凹槽亦相差一百八十度的分佈於該鎚打元件上。 17 1250918 14. 如申請專利範圍第13項所述之動力工具之鎚打組 結構,其中該凹槽具有相同之夾角。 15. 如申請專利範圍第1、2、3、4、6或7項所述之動 力工具之鎚打組結構,其中該傳動軸係一體成型於該鎚打 元件上。 16. 如申請專利範圍第1、2、3、4、6或7項所述之動 力工具之鎚打組結構,其中該鎚打室之中心開設有一貫穿 兩端之轴孔,該鎚打元件於第一端之中心突設有一軸桿, 該軸桿係框設於轴孔内。 17. 如申請專利範圍第1、2、3、4、6或7項所述之動 力工具之鎚打組結構,其中該鎚打室異於該銷孔之一端開 設有與該銷孔相連通之通孔,其可供氣體流通者。 18. 如申請專利範圍第1、2、3、4、6或7項所述之動 力工具之鎚打組結構,其中該鎚打元件之第二端還裝設有 一吸震件,以降低噪音與震動。 19. 如申請專利範圍第18項所述之動力工具之鎚打組 結構,其中該吸震件之設有一穿孔,可套設於該鎚打元件 之傳動軸上。 20. 如申請專利範圍第19項所述之動力工具之鎚打組 結構,其中該吸震件之截面係設為一弧形盤狀,用以提供 該鎚打元件一彈性。 18a hammering element is pivotally disposed on the hammering chamber and rotatable by driving of the hammering chamber, the hammering member having a first end and a second end, the end surface of the first end being open at least one a groove for the impact pin to extend into, the second end of the hammering member is provided with a drive shaft, the drive shaft can be used to tighten or loosen the work object; thereby, the hammer chamber and The hammering element simplifies the manufacturing process and saves assembly time, and reduces production costs and increases productivity. 2. The hammering mechanism of the power tool of claim 1, wherein the hammering member has two recesses at the same end of the hammering member. 3. The hammering unit structure of the power tool of claim 1, wherein the hammering chamber is provided at one end with two pin holes at different distances from the center of the hammering chamber. 4. The hammering unit structure of the power tool of claim 1, wherein the keying chamber is provided at one end with two pin holes at the same distance from the center of the keying chamber. 5. The hammering structure of the power tool according to claim 1, wherein the hammering chamber is provided with two pin holes at one end, and the end surface 16 1250918 of the hammering member is provided with two grooves, the two pins The impact pins in the holes can respectively extend into the two grooves. 6. The hammering group structure of the power tool according to claim 5, wherein the distance between the two pin holes and the center of the hammering chamber are different distances, and the two grooves and the hammering element center The distances are different distances. 7. The hammering unit structure of the power tool according to claim 5, wherein the distance between the two pin holes and the center of the hammer chamber is the same distance, and the two grooves and the center of the keying member are The distances are the same distance. 8. The hammering assembly of the power tool of claim 2, 3, 4, 6 or 7 wherein the impact pin is formed with an impact portion adjacent one end of the hammer member, the groove having a The bottom portion that can be in contact with the impact portion. 9. The hammering structure of a power tool according to claim 8, wherein the bottom portion is inclined so that the grooves have different shades. 10. The hammering group structure of the power tool according to claim 9, wherein the impact pin is chamfered at one end of the impact portion, and the concave groove is provided on both sides of the bottom portion. The inclined wall portion where the chamfers abut. 11. The hammering structure of a power tool according to claim 1, 2, 4, 6 or 7 wherein the groove is in the shape of a curved arc. 12. The hammering unit structure of the power tool of claim 1, wherein the groove is configured to have a shape or other shape for generating an impact action. 13. The hammering structure of the power tool according to claim 6 or 7, wherein the two pin holes are 180 degrees apart and distributed on the hammering chamber, and the two grooves are also different. One hundred and eighty degrees are distributed on the hammering element. The method of hammering a power tool according to claim 13 wherein the grooves have the same angle. 15. The hammering assembly of a power tool according to claim 1, 2, 3, 4, 6 or 7 wherein the drive shaft is integrally formed on the hammering member. 16. The hammering structure of a power tool according to claim 1, 2, 3, 4, 6 or 7 wherein the center of the hammering chamber has a shaft hole extending through the two ends, the hammering member A shaft is protruded from a center of the first end, and the shaft frame is disposed in the shaft hole. 17. The hammering structure of a power tool according to claim 1, 2, 3, 4, 6 or 7 wherein the hammering chamber is different from one end of the pin hole and is connected to the pin hole. Through hole, which is available for gas circulators. 18. The hammering structure of a power tool according to claim 1, 2, 3, 4, 6 or 7 wherein the second end of the hammering member is further provided with a shock absorbing member to reduce noise and shock. 19. The hammering assembly of the power tool of claim 18, wherein the shock absorbing member is provided with a through hole that is sleeved on a drive shaft of the hammering member. 20. The hammering structure of a power tool according to claim 19, wherein the shock absorbing member has a cross section that is formed in an arcuate disk shape to provide elasticity of the hammering member. 18
TW94109040A 2005-03-24 2005-03-24 Hammering assembly structure for a power tool TWI250918B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI549784B (en) * 2015-08-28 2016-09-21 王奕柔 Hammering assembly of a power tool
TWI720760B (en) * 2019-12-24 2021-03-01 朝程工業股份有限公司 Power tool strike group

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI549784B (en) * 2015-08-28 2016-09-21 王奕柔 Hammering assembly of a power tool
TWI720760B (en) * 2019-12-24 2021-03-01 朝程工業股份有限公司 Power tool strike group

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