TWI392565B - The drive unit of the electric nail gun - Google Patents
The drive unit of the electric nail gun Download PDFInfo
- Publication number
- TWI392565B TWI392565B TW099132771A TW99132771A TWI392565B TW I392565 B TWI392565 B TW I392565B TW 099132771 A TW099132771 A TW 099132771A TW 99132771 A TW99132771 A TW 99132771A TW I392565 B TWI392565 B TW I392565B
- Authority
- TW
- Taiwan
- Prior art keywords
- nail gun
- frame
- swing arm
- electric nail
- flywheel
- Prior art date
Links
- 230000009471 action Effects 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
- B25C1/00—Hand-held nailing tools; Nail feeding devices
- B25C1/06—Hand-held nailing tools; Nail feeding devices operated by electric power
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
Description
本發明是有關於一種驅動單元,特別是指一種利用電動力完成擊釘動作的電動釘槍的驅動單元。
參閱圖1,以中華民國申請案號第99113274號案的電動釘槍1為例,主要包含一機架11、樞設在該機架11且可透過一控制電路啟動擊釘動作的一扳機組12、一傳動組13、一衝擊組14,及一驅動組15。該傳動組13具有樞設在該機架11的一飛輪131,及設置在該機架11且驅動該飛輪131高速旋轉的一馬達132。該衝擊組14具有樞設在該機架11且相對該飛輪131縮放間距的一擺臂141,且滑行於該擺臂141的一衝擊件142。該驅動組15具有設置在該機架11的一電磁閥151、抵靠在該擺臂141一端的一斜推塊152,及樞設在該機架11且分別與該電磁閥151、該斜推塊152形成連動的一連桿153。
常態時,該擺臂141會連動該衝擊件142與該飛輪131保持約0.5mm的間距,當該扳機組12被觸壓時,該電磁閥151會透過該連桿153推移該斜推塊152,使該斜推塊152以斜面位差的變化,迫擠該擺臂141朝該飛輪131的方向降移,至該衝擊件142與該飛輪131磨擦接觸,該飛輪131會對該衝擊件142產生一極大的拋甩力,使該衝擊件142在瞬間被拋甩,進而完成擊釘動作。
惟,在該衝擊件142擊釘的過程中,會因為擊釘時產生的阻抗,對該擺臂141產生一反作用力,使該擺臂141反向擺動,而減損該衝擊件142相對該飛輪131的壓制力,仍然有擊釘力道不穩定的問題。
因此,本發明之目的,即在提供一種可以提升擊釘力道穩定性的電動釘槍的驅動單元。
於是,該電動釘槍具有一機架、樞設在該機架的一飛輪、樞設在該機架且在鄰近該飛輪的一第一位置與遠離該飛輪的一第二位置間位移的一擺臂,及隨該第一位置的該擺臂與該飛輪接觸且被拋甩完成擊釘動作的一衝擊件,本發明的驅動單元包含一推塊。該推塊沿一軸線方向可位移的穿置在該機架,並具有抵靠在該擺臂一端的一斜面,該斜面的斜率界於0.087~0.7,且隨位置的變化,迫擠該擺臂位於該第一位置,及釋放該擺臂復歸至該第二位置。
本發明的功效是利用特殊斜率的斜面,對該擺臂產生鎖固效果,使該擺臂穩定於該第一位置,進而能提升擊釘力道的穩定性。
有關本發明之前述及其他技術內容、特點與功效,在以下配合參考圖式之一個較佳實施例的詳細說明中,將可清楚的呈現。
參閱圖2,本發明電動釘槍的驅動單元的一較佳實施例安裝在一電動釘槍3。該電動釘槍3具有一機架31、樞設在該機架31的一飛輪32、設置在該飛輪32且驅動該飛輪32高速旋轉的一馬達33、樞設在該機架31的一擺臂34,及滑行於該擺臂34的一衝擊件35。該擺臂34具有與該機架31樞接的一樞接端341,及在鄰近該飛輪32的一第一位置(如圖4)與遠離該飛輪32的一第二位置(如圖2)間位移的一擺動端342。該驅動單元包含一推塊4、一電磁閥5,及一連桿6。
該推塊4呈三角形,且沿一軸線X方向可位移的穿置在該機架31,並具有抵靠在該擺臂34擺動端342的一斜面41、鄰接該斜面41且與該斜面41形成一夾角θ的一端面42,及鄰接該斜面41與該端面42的另一端面43。該斜面41的夾角θ界於5度~35度,較佳的,該夾角θ界於10度~30度,且該斜面41與該擺臂34擺動端342的磨擦係數界於0.1~0.5。
該電磁閥5安裝在該機架31,並具有沿該軸線X方向伸縮的一閥桿51。
該連桿6樞設在該機架31且以一端61與該電磁閥5的閥桿51形成連動,及以另一端62與該推塊4形成連動。
參閱圖3,以該斜面41的夾角θ界於5度~35度為例,可以推算出該斜面41的斜率為:
以該斜面41的夾角θ界於10度~30度為例,可以推算出該斜面41的斜率為:
依據前述,該斜面41所產生的推力Fr
=Fx
+Fy
;該夾角θ與分力Fy
呈正比關係,即該夾角θ愈大時,所能產生的分力Fy
就愈大。
參閱圖2、圖3、圖4,當該電磁閥5透過該連桿6推移該推塊4沿該軸線X方向位移時,該推塊4會以該斜面41斜率的變化相對該擺臂34的擺動端342形成位差,及以推力Fr
迫擠該擺臂34的擺動端342,使該擺動端342由該第二位置朝該飛輪32的方向降移至該第一位置,進而連動該衝擊件35與該飛輪32磨擦接觸,此時,該飛輪32會對該衝擊件35產生一極大的拋甩力,使該衝擊件35在瞬間被拋甩,進而完成擊釘動作。
由於分力Fy
提升,因此,該推塊4能夠以較大的壓制力抵抗擊釘過程中,作用於該擺臂34的反作用力,對該擺臂34產生鎖固效果,使該擺臂34的擺動端342穩定於該第一位置,進而能提升擊釘力道的穩定性。
據上所述可知,本發明之電動釘槍的驅動單元具有下列優點及功效:本發明能夠在該推塊4與該擺臂34擺動端342不互相阻擋的前題下,利用特殊斜率的斜面41,提升壓制力,對該擺臂34產生鎖固效果,使該擺臂34穩定於擊釘狀態,進而能提升擊釘力道的穩定性。
惟以上所述者,僅為本發明之較佳實施例而已,當不能以此限定本發明實施之範圍,即大凡依本發明申請專利範圍及發明說明內容所作之簡單的等效變化與修飾,皆仍屬本發明專利涵蓋之範圍內。
3...電動釘槍
31...機架
32...飛輪
33...馬達
34...擺臂
341...樞接端
342...擺動端
35...衝擊件
4...推塊
41...斜面
42...端面
43...端面
5...電磁閥
51...閥桿
6...連桿
61...端
62...端
θ...夾角
Fr
...推力
Fx
...分力
Fy
...分力
圖1是一正視圖,說明中華民國申請案號第99113274號案;
圖2是一正視圖,說明本發明一電動釘槍的驅動單元的一較佳實施例;
圖3是該較佳實施例中一推塊的一分力示意圖;及
圖4是該較佳實施例迫推一擺臂的一正視圖。
3...電動釘槍
31...機架
32...飛輪
33...馬達
34...擺臂
341...樞接端
342...擺動端
35...衝擊件
4...推塊
5...電磁閥
6...連桿
Claims (6)
- 一種電動釘槍的驅動單元,該電動釘槍具有一機架、樞設在該機架的一飛輪、樞設在該機架且在鄰近該飛輪的一第一位置與遠離該飛輪的一第二位置間位移的一擺臂,及隨該第一位置的該擺臂與該飛輪接觸且被拋甩完成擊釘動作的一衝擊件,該驅動單元包含:一推塊,沿一軸線方向可位移的穿置在該機架,並具有抵靠在該擺臂一端的一斜面,該斜面的斜率界於0.087~0.7,且隨位置的變化,迫擠該擺臂位於該第一位置,及釋放該擺臂復歸至該第二位置。
- 依據申請專利範圍第1項所述電動釘槍的驅動單元,其中,該斜面與該擺臂的磨擦係數界於0.1~0.5。
- 依據申請專利範圍第1項所述電動釘槍的驅動單元,其中,該斜面的斜率界於0.176~0.577。
- 依據申請專利範圍第1項所述電動釘槍的驅動單元,其中,該推塊為三角形。
- 依據申請專利範圍第1項所述電動釘槍的驅動單元,更包含有一電磁閥,該電磁閥安裝在該機架,並具有沿該軸線方向伸縮且與該推塊形成連動的一閥桿。
- 依據申請專利範圍第5項所述電動釘槍的驅動單元,更包含有一連桿,該連桿樞設在該機架且以一端與該電磁閥的閥桿形成連動,及以另一端與該推塊形成連動。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW099132771A TWI392565B (zh) | 2010-09-28 | 2010-09-28 | The drive unit of the electric nail gun |
| US13/245,771 US20120074195A1 (en) | 2010-09-28 | 2011-09-26 | Driving unit for an electric nail gun |
| EP11182964.4A EP2433752B1 (en) | 2010-09-28 | 2011-09-27 | Electric nail gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW099132771A TWI392565B (zh) | 2010-09-28 | 2010-09-28 | The drive unit of the electric nail gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201213069A TW201213069A (en) | 2012-04-01 |
| TWI392565B true TWI392565B (zh) | 2013-04-11 |
Family
ID=44719519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW099132771A TWI392565B (zh) | 2010-09-28 | 2010-09-28 | The drive unit of the electric nail gun |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20120074195A1 (zh) |
| EP (1) | EP2433752B1 (zh) |
| TW (1) | TWI392565B (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI474898B (zh) * | 2013-05-15 | 2015-03-01 | Basso Ind Corp | A nail removal device for electric nail guns |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201338933A (zh) * | 2012-03-30 | 2013-10-01 | Basso Ind Corp | 電動螺絲釘槍 |
| DE102012215126A1 (de) * | 2012-08-24 | 2014-05-28 | Hilti Aktiengesellschaft | Handgeführtes Arbeitsgerät |
| TWM482482U (zh) * | 2014-03-10 | 2014-07-21 | Basso Ind Corp | 電動釘槍回收裝置 |
| EP3323559A1 (de) | 2016-11-18 | 2018-05-23 | HILTI Aktiengesellschaft | Schwungradangetriebenes setzgerät und verfahren zum betreiben eines derartigen setzgeräts |
| EP3323561A1 (de) | 2016-11-18 | 2018-05-23 | HILTI Aktiengesellschaft | Setzgerät und verfahren zum betreiben eines setzgeräts |
| TWI771560B (zh) * | 2019-01-30 | 2022-07-21 | 鑽全實業股份有限公司 | 防止誤動作的飛輪式電動釘槍 |
| TWI815857B (zh) * | 2019-01-31 | 2023-09-21 | 鑽全實業股份有限公司 | 電動釘槍的飛輪裝置及電動釘槍 |
| US12496693B2 (en) | 2019-12-24 | 2025-12-16 | Black & Decker Inc. | Flywheel driven fastening tool |
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| US7121443B2 (en) * | 2005-03-02 | 2006-10-17 | An Puu Hsin Co., Ltd. | Electric nailing apparatus |
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-
2010
- 2010-09-28 TW TW099132771A patent/TWI392565B/zh not_active IP Right Cessation
-
2011
- 2011-09-26 US US13/245,771 patent/US20120074195A1/en not_active Abandoned
- 2011-09-27 EP EP11182964.4A patent/EP2433752B1/en not_active Not-in-force
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI474898B (zh) * | 2013-05-15 | 2015-03-01 | Basso Ind Corp | A nail removal device for electric nail guns |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2433752A2 (en) | 2012-03-28 |
| US20120074195A1 (en) | 2012-03-29 |
| TW201213069A (en) | 2012-04-01 |
| EP2433752B1 (en) | 2015-01-28 |
| EP2433752A3 (en) | 2013-11-13 |
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