201018551 六、發明說明： 【發明所屬之技術領域】 本發明與瓦斯釘搶有關， 機構之瓦斯釘搶。 特別是指一種具有擊發安全 【先前技術】 f國第4,483,280號專利案揭露出一種瓦斯動力工 ❺ ，’凊參閱該專利案第六圖（以下標號取自於該專利案之說 月書）’當提升桿(15〇)未抵住工件而扣壓扳機(194)時，j反 機(194)之凸緣(24G)將被鎖塊(242)之臂部(244)擋 進行擊發動作。 ”、、法 后當提升桿（150)抵住工件而向上移動時，固定環(25〇) 之#部(252)將推動鎖塊(242)，使鎖塊(242)朝順時鐘方向樞 轉而讓鎖塊（242)之臂部（244)與扳機（194)之凸緣(24〇)錯 開，如此一來，使用者即可扣壓扳機(194)以進行擊發之動 ❹ 作。 若使用者在使用前先將扳機（194)扣壓著，使扳機（194) j凸緣(240)與鎖塊(242)之臂部(244)保持在扣接的狀態，接 著再將提升桿（150)抵住工件而讓提升桿（15〇)產生向上的 移動時’鎖塊(242)之臂部(244)將因鎖塊(242)產生順時鐘方 向的枢轉而解除與扳機（194)之凸緣(240)扣接的狀態，在此 情況下，受外力扣壓著的扳機（194)可能因失去鎖塊(242) 之擋止作用造成擊發，進而增加使用者在使用該瓦斯動力 工具時因誤擊發所帶來的危險性。 3 201018551 【發明内容】 本發明之主要目的在於提供—種瓦斯釘搶，其具有擊 發女全機構，用以避免誤擊發的狀況發生。 4達成前揭目的，本發明所提供之瓦斯釘搶包含有一 釘搶本體、板機、-擋板與一保險。該扳機可按壓地設 於該針搶本體；賴板樞設㈣釘搶本财而可於一擒止 ❹ ㈣與—解除位置之間樞擺，並具有-擋止部與一由^擋 止部延伸而出之勾部，當該擋板位於該擒止位置，該板機 將被該播板之播止部擋住而無法進行擊發，當該播板位於 轉除位置’該扳機不會觀擋板之擋止部擋住而可進行 擊發，而當該扳機抵接該擋止部時，該勾部可扣住該板機， 使该擔板無法從該擋止位置樞擺至該解除位置；該保險可 移動地設於該釘搶本體中而可於一擊發位置與一未擊發位 置之間移動，並具有-抵接部，當該保險位於該擊發位置， Φ 雜險德接部麟雜板❿使賴板可從該撐止位置樞 擺至該解除位置’當該保險位於該未擊發位置，該保險之 抵接部抵接該擋板而將該擋板保持在該擋止位置。 #此，若使用者扣壓著職機，並㈣將該保險抵住 工:而迫使該保險移動至鮮發位置時，職㈣該勾部 扣著該扳機而無法從該擋止位置樞擺至該解除位置，使該 板機無法進行擊發而達到避免產生誤擊發的狀況，以提昇 使用上的安全性。 4 201018551 【實施方式】 為了更瞭解本發明之特點所在，茲舉以下一較佳實施 例並配合圖式說明如下。 請參閱第一圖為本發明一較佳實施例所提供之瓦斯釘 搶(10)，包含有一釘搶本體(20)、一扳機(30)、一擋板(4〇)、 一彈性件(50)與一保險(60)，其中： 扳機(30)安裝於釘鎗本體(2〇)而可受外力的扣壓進行 擊發的動作。 〇 擋板(40)樞設於釘搶本體(20)而可於一擋止位置(P1) 與一解除位置(P2)之間樞擺。擋板(40)之後端底部具有一擋 止部(42)與一由檔止部(42)延伸而出之勾部(44)，當擋板(4〇) 位於如第二圖所示之擋止位置(P1)，擋板(4〇)之擋止部(42) 可擋住扳機(30)，使擋板(40)無法被扣壓而進行擊發；當擋 板(40)位於第三圖所示之解除位置(p2)，擋板(4〇)之擋止部 (42)將與扳機(3〇)之錯開而不會擋住扳機(3〇)，使扳機(3〇) G 可被扣壓以進行擊發；當擋板(4〇)位於擋止位置(ρι)，且扳 機(30)抵接到播板(40)之擋止部(42)時，擋板(40)之勾部(44) 將扣住扳機(30)之侧壁(32)，使扳機(30)無法從擋止位置(P1) 偏擺至解除位置(P2)，如第四圖與第五圖所示。另外，擋 板(40)之前端形成一抵接端(46)，抵接端(46)具有一弧面 (462)〇 彈性件（50)設於釘槍本體(2〇)中，並以頂端頂抵擋板 (40) ’用以提供彈力將擔板(4〇)從第二圖之擋止位置(pi)往 第三圖之解除位置(P2)的方向推頂。 5 201018551 保險(60)可活動地設於釘搶本體p〇)中而可於一未擊 發位置(P3)與一擊發位置(P4)之間上下移動。保險(6〇)具有 一抵接部(62)與一鄰接抵接部(62)之凹室(64)，其中抵接部 (62)具有一平面(622);當保險(60)位於如第二圖所示之未擊 發位置(P3) ’擋板(4〇)之抵接端(46)的弧面（462)抵接保險 (60)之抵接部(62)的平面(622)，使擋板(40)被保持在擋止位 置(P1);當保險(60)位於如第三圖所示之擊發位置(p4)，擋 ❹ 板(40)之抵接端(46)脫離保險(60)之抵接部(62)而伸入保險 (60)之凹室（64)中’使擋板(4〇)受到彈性件(5〇)的作用而從 擋止位置(P1)樞擺至解除位置(P2)。 當使用者操作本發明時，將保險(6〇)抵壓著工件而迫 使保險(60)向上移動至如第三圖之擊發位置(p4)，此時的檔 板(40)將因其抵接端(46)伸入凹室（64)中而可受到彈性件 (50)的作用從第二圖所示之擋止位置(ρι)偏擺至第三圖所 示之解除位置(P2)’使用者即可扣壓扳機(3〇)進行擊發釘體 ⑩ 的動作，於完成擊發動作之後，使用者若繼續扣住扳機 (30)，則檔板(40)因受到扳機(3〇)外側面的抵擋而無退移空 間，相對造成保險(60)無法下降。待作業完畢之後而將保 險(60)從工件表面移開時，保險(6〇)將從第三圖之擊發位置 (P4)向下移回至第二圖所示之未擊發位置(p3)，在保險(6〇) 移動的過程中，保險(6〇)之凹室(64)周壁將逐漸壓抵擋板 (40)之抵接端(46)，使擒板(4〇)從解除位置(P2)往擋止位置 (P1)偏擺，並同時壓縮彈性件(5〇)，直到擋板(4〇)之抵接端 (46)離開保險(60)之凹室(64)瞬間，擋板(4〇)將被彈性件(5〇) 6 201018551 推頂而透過其抵接端（46)的弧面（462)抵住保險(60)之抵接 部(62)的平面（622)，用以保持在擋止位置(P1)，此時，不 論使用者怎麼扣壓扳機(3〇)，扳機(3〇)都會被擋板(4〇)之擋 止部(42)給擋住而無法進行釘體的擊發。 若使用者不小心在扣壓扳機(30)的同時，直接將保險 (60)抵壓著工件而讓保險(6〇)移動至擊發位置(p4)，此時， 擋板(40)將會藉由其勾部(44)勾著扳機(3〇)之側壁(32)而無 參 法從擂止位置(P1)樞擺至解除位置(P2)，如第四圖與第五圖 所不’使得擋板(40)之擋止部(42)在保險(60)位於擊發位置 (P4)時仍可擋住扳機(3〇)，以避免受外力扣壓著的扳機(3〇) 產生誤擊發的狀況。此後，在保險(6⑺維持抵壓工件的情 形下，使用者只需解除對扳機(3〇)的扣壓動作，即可令擋 板(40)改變位置至解除位置(p2)，爾後復為重新扣壓扳機 (30)逕可進行擊發釘體的動作。 综合以上所述可知，本實施例利用一個可樞擺的擋板 〇 來控制扳機的擊發與否，其結構設計簡單，擋板之勾部並 在保險抵住工件之前，且扳機預先被按壓時與扳機形成勾 抵，故不至於在後續的保險抵住工件時發生無預期的擊發 狀況，是以，本發明具有效提升使用上的安全性。 本發明於前揭實施例中所揭露的構成元件，僅為舉例 說明，並非用來限制本案之範圍，其他等效元件的替代或 變化，亦應為本案之申請專利範圍所涵蓋。 201018551 【圖式簡單說明】 第一圖為本發明一較佳實施例之側試剖視圖。 第二圖為第-圖的局部放大圖’主要顯示擋板位於擋 止位置，保險位於未擊發位置。 第三圖類同於第二圖，主要顯示擋板位於解除位置， 保險位於擊發位置。 第四圖類同於第三圖，主要顯示擋板位於擋止位置， 保險位於擊發位置。 第五圖為第四圖之局部放大剖視圖，主要顯示擋板之 勾部扣住扳機之側壁。 【主要元件符號說明】 瓦斯釘搶(10) 釘搶本體(20) 扳機(30) 侧壁(32) 擋板(40) 擋止部(42) 勾部(44) 抵接端(46) 弧面(462) 檔止位置(P1) 解除位置(P2) 彈性件(50) 保險(60) 抵接部(62) 平面(622) 凹室(64) 未擊發位置(P3) 擊發位置(P4) 8201018551 VI. Description of the invention: [Technical field to which the invention pertains] The present invention relates to gas nailing, and the gas nailing of the mechanism. In particular, it refers to a kind of fire safety [previous technology] Patent No. 4,483,280 of the country of f exposes a gas power plant, '凊 refer to the sixth figure of the patent (the following reference is taken from the monthly book of the patent case)' When the lift lever (15 〇) does not press against the workpiece and the trigger (194) is pressed, the flange (24G) of the j counter (194) will be blocked by the arm (244) of the lock block (242). After the lift lever (150) moves up against the workpiece, the # (252) of the retaining ring (25〇) will push the lock block (242), causing the lock block (242) to pivot toward the clockwise direction. In turn, the arm (244) of the lock block (242) is offset from the flange (24〇) of the trigger (194) so that the user can press the trigger (194) to perform the firing action. The user presses the trigger (194) before use, so that the trigger (194) j flange (240) and the arm (244) of the lock block (242) are held in a buckled state, and then the lift rod ( 150) When the lifting rod (15〇) is moved upward against the workpiece, the arm portion (244) of the locking block (242) will be released and triggered by the clockwise pivoting of the locking block (242) (194). The flange (240) is in a buckled state. In this case, the trigger (194) that is pressed by the external force may be caused by the loss of the blocking function of the lock block (242), thereby increasing the user's use of the gas power. The risk of accidental firing is caused by the tool. 3 201018551 [Summary of the Invention] The main object of the present invention is to provide a gas nailing, which has a female body. In order to avoid the occurrence of a false hitting situation, the gas nailing provided by the present invention comprises a nail grabbing body, a trigger, a baffle and a fuse. The trigger is pressably disposed on the needle grabbing body; The board is set up (4) to grab the money and can be pivoted between the (4) and the release position, and has a - stop and a hook extending from the stop, when the baffle is located At the stop position, the trigger will be blocked by the broadcaster of the broadcast board and cannot be fired. When the broadcaster is in the turn-off position, the trigger can be blocked without being blocked by the stop of the shutter. When the trigger abuts the stopping portion, the hook portion can buckle the triggering device, so that the supporting plate cannot pivot from the blocking position to the releasing position; the insurance is movably disposed in the nailing body It can be moved between a firing position and an unfired position, and has an abutting portion. When the insurance is located at the firing position, the Φ 德 德 部 麟 麟 麟 麟 枢 枢 枢 枢 枢 枢 枢 枢 枢 枢 枢 枢 枢 枢 枢 枢 枢 枢To the release position 'When the insurance is in the unfired position, the insurance abutment arrives The baffle is attached to hold the baffle in the blocking position. #This, if the user presses the job, and (4) the insurance is pressed against the work: and the insurance is forced to move to the fresh position, the position (4) The hook portion is fastened by the trigger and cannot be pivoted from the stop position to the release position, so that the trigger can not be fired to avoid a false alarm, thereby improving the safety in use. 4 201018551 [Embodiment] In order to better understand the features of the present invention, the following preferred embodiments are described below with reference to the drawings. Please refer to the first figure for a gas nail (10) provided by a preferred embodiment of the present invention, including a nail Grab the body (20), a trigger (30), a baffle (4〇), an elastic member (50) and a fuse (60), wherein: the trigger (30) is mounted on the nail gun body (2〇) The action of firing by the pressure of the external force.挡板 The baffle (40) is pivoted to the nail body (20) to pivot between a stop position (P1) and a release position (P2). The bottom end of the baffle (40) has a stopping portion (42) and a hook portion (44) extending from the stopping portion (42), and the baffle (4〇) is located as shown in the second figure. The stop position (P1), the stop (42) of the baffle (4〇) can block the trigger (30), so that the baffle (40) cannot be pressed and fired; when the baffle (40) is in the third figure In the release position (p2) shown, the stop (42) of the baffle (4〇) will be offset from the trigger (3〇) without blocking the trigger (3〇), so that the trigger (3〇) G can be Pressing to perform firing; when the baffle (4〇) is in the blocking position (ρι), and the trigger (30) abuts against the stopping portion (42) of the playing board (40), the hook of the baffle (40) (44) The side wall (32) of the trigger (30) will be clamped so that the trigger (30) cannot be yawed from the stop position (P1) to the release position (P2), as shown in Figures 4 and 5. In addition, the front end of the baffle (40) forms an abutting end (46), and the abutting end (46) has a curved surface (462). The elastic member (50) is disposed in the nail gun body (2〇), and The top abutting baffle (40)' is used to provide an elastic force to push the plate (4〇) from the blocking position (pi) of the second figure to the releasing position (P2) of the third figure. 5 201018551 The insurance (60) is movably disposed in the nailing body p〇) and is movable up and down between an unfired position (P3) and a firing position (P4). The fuse (6〇) has an abutting portion (62) and an abutment (62) abutting portion (62), wherein the abutting portion (62) has a plane (622); when the insurance (60) is located as The unfired position (P3) shown in the second figure 'the curved surface (462) of the abutting end (46) of the baffle (4) abuts the plane (622) of the abutting portion (62) of the fuse (60) , the baffle (40) is held in the blocking position (P1); when the securing (60) is located in the firing position (p4) as shown in the third figure, the abutting end (46) of the retaining plate (40) is disengaged The abutment portion (62) of the fuse (60) extends into the recess (64) of the fuse (60) 'the baffle (4〇) is subjected to the action of the elastic member (5〇) from the stop position (P1) Pivot to the release position (P2). When the user operates the invention, the insurance (6〇) is pressed against the workpiece to force the insurance (60) to move up to the firing position (p4) as shown in the third figure, at which time the baffle (40) will be rejected. The terminal end (46) extends into the recess (64) and is biased by the elastic member (50) from the blocking position (ρι) shown in the second figure to the releasing position (P2) shown in the third figure. 'The user can press the trigger (3〇) to fire the nail body 10. After the completion of the firing action, if the user continues to hold the trigger (30), the baffle (40) is subjected to the trigger (3〇). The side is resisted without retreating space, and the insurance (60) cannot be lowered. After the insurance (60) is removed from the workpiece surface after the completion of the operation, the insurance (6〇) will be moved down from the firing position (P4) of the third figure to the unfired position (p3) shown in the second figure. During the movement (6〇) movement, the peripheral wall of the recess (64) of the fuse (6〇) will gradually press against the abutting end (46) of the baffle (40), so that the seesaw (4〇) is released from the release position. (P2) yaw toward the blocking position (P1) and simultaneously compress the elastic member (5〇) until the abutting end (46) of the baffle (4〇) leaves the recess (64) of the fuse (60), The baffle (4〇) will be pushed up by the elastic member (5〇) 6 201018551 through the arc surface (462) of the abutting end (46) against the plane of the abutment portion (62) of the fuse (60) (622) ), to maintain the blocking position (P1), at this time, no matter how the user presses the trigger (3〇), the trigger (3〇) will be blocked by the stopper (42) of the baffle (4〇). The nail cannot be fired. If the user accidentally presses the trigger (30) while pressing the trigger (30), the insurance (60) is moved to the firing position (p4), and the shutter (40) will be borrowed. The side wall (32) of the trigger (3〇) is hooked by the hook portion (44) without pivoting from the rest position (P1) to the release position (P2), as shown in the fourth and fifth figures. The stopper (42) of the baffle (40) can still block the trigger (3〇) when the fuse (60) is in the firing position (P4), so as to avoid the accidental firing of the trigger (3〇) which is pressed by the external force. situation. Thereafter, in the case where the insurance (6 (7) maintains the pressing of the workpiece, the user only needs to release the pressing action of the trigger (3 〇), so that the baffle (40) can be changed to the release position (p2), and then reset again. Pressing the trigger (30) diameter can perform the action of firing the nail body. In summary, the present embodiment uses a pivotable baffle cymbal to control the firing of the trigger, and the structure design is simple, and the hook portion of the baffle And before the insurance is pressed against the workpiece, and the trigger is collided with the trigger when it is pressed in advance, it does not cause an unexpected fire-fighting condition when the subsequent insurance is pressed against the workpiece. Therefore, the present invention has the effect of improving safety in use. The constituent elements of the present invention disclosed in the foregoing embodiments are merely illustrative and are not intended to limit the scope of the present invention, and alternatives or variations of other equivalent elements are also covered by the scope of the patent application of the present application. BRIEF DESCRIPTION OF THE DRAWINGS The first figure is a side cross-sectional view of a preferred embodiment of the present invention. The second figure is a partial enlarged view of the first figure. The main display baffle is located at the stop position, and the insurance is located. The third picture is similar to the second picture, mainly showing that the baffle is in the release position and the insurance is in the firing position. The fourth picture is similar to the third picture, mainly showing that the baffle is in the blocking position and the insurance is in the firing position. The fifth figure is a partial enlarged cross-sectional view of the fourth figure, mainly showing the hook of the baffle to buckle the side wall of the trigger. [Main component symbol description] Gas nail grab (10) Nail grab body (20) Trigger (30) Side wall ( 32) Baffle (40) Stop (42) Hook (44) Abutment (46) Curved surface (462) Position (P1) Release position (P2) Elastic (50) Insurance (60) Joint (62) Plane (622) Alcove (64) Unfired position (P3) Shot position (P4) 8