JPS6456973U

JPS6456973U -

Info

Publication number: JPS6456973U
Application number: JP15199987U
Authority: JP
Priority date: 1987-10-03
Filing date: 1987-10-03
Publication date: 1989-04-10

Description

[Brief explanation of drawings]

第１図ないし第１１図は、本考案の実施例を示
し、第１図はインパクトレンチの側面断面図、第
２図はシリンダー内部の流路制御弁の構造を示す
断面図、第３図は第１図の―線に沿う矢視断
面図、第４図及び第５図はリリーフ弁の閉止時及
び開放時の状態を示す断面図、第６図及び第７図
は中間棒を示し、第６図はその頭部で、第７図の
―線に沿う矢視図、第７図は側面図、第８図
及び第９図は回転棒を示し、第８図はその頭部で
第９図の―線に沿う矢視図、第９図は側面図
、第１０図は第２図の―線に沿う矢視断面図
、第１１図は弁解放時における第１０図と同様の
断面図、第１２図及び第１３図は従来技術におけ
るライナー及びパルスハンマー部分の断面図を示
し第１２図はパルス発生時、第１３図は動作途中
を示す図である。１……エアモータ、２……ライナー、３……出
力軸、３１……パルスハンマー、３２……オイル
通路、３６……シリンダー、３６２，３６３……
ストツパー、４……リリーフ弁、４０……制御棒
、４１……弁頭、４５……中間棒、４５４，４５
７……長溝、４７……回転棒、４７４，４７７…
…長溝、５……ブレード、Ａ……低圧室、Ｂ……
高圧室。 Figures 1 to 11 show embodiments of the present invention, with Figure 1 being a side sectional view of an impact wrench, Figure 2 being a sectional view showing the structure of the flow path control valve inside the cylinder, and Figure 3 being a sectional view of the impact wrench. 1, FIGS. 4 and 5 are sectional views showing the state of the relief valve when it is closed and opened, FIGS. 6 and 7 show the intermediate rod, and FIGS. Figure 6 shows the head, taken along the - line in Figure 7, Figure 7 is a side view, Figures 8 and 9 show the rotating rod, Figure 8 shows the head, and Figure 9 shows the rotating rod. Fig. 9 is a side view, Fig. 10 is a sectional view taken along the - line in Fig. 2, and Fig. 11 is a sectional view similar to Fig. 10 when the valve is released. , FIG. 12 and FIG. 13 are cross-sectional views of the liner and pulse hammer parts in the prior art, with FIG. 12 showing the pulse generation time and FIG. 13 showing the operation in progress. 1... Air motor, 2... Liner, 3... Output shaft, 31... Pulse hammer, 32... Oil passage, 36... Cylinder, 362, 363...
Stopper, 4... Relief valve, 40... Control rod, 41... Valve head, 45... Intermediate rod, 454, 45
7...Long groove, 47...Rotating rod, 474,477...
...Long groove, 5...Blade, A...Low pressure chamber, B...
Hyperbaric chamber.

Claims

[Scope of Claim for Utility Model Registration] (1) A liner rotated by a power source such as air pressure, a pulse hammer rotatably disposed in a hydraulic chamber inside the liner, and a connection between the pulse hammer and the inner wall of the liner. A blade is provided between the two and divides the space between the two into a high pressure chamber and a low pressure chamber, and an output shaft is connected to the pulse hammer, and the pulse hammer is struck by the high pressure generated by the rotation of the liner. In an oil pulse type impact wrench that rotates and transmits the rotational force to an output shaft, the pulse hammer is provided with an oil passage that passes near the center of the shaft and connects a high pressure side and a low pressure side, and the oil passage is provided with a flow path control valve for adjusting the oil flow rate near the shaft center of the pulse hammer, and the flow path control valve is connected to a control rod provided outside the impact wrench. Pulse impact wrench. (2) The oil passage is arranged in the diametrical direction of the pulse hammer, and the flow passage control valve is movably inserted into the cylinder provided at the axis of the air motor, and its tip is located in the oil passage. The oil pulse type impact wrench according to claim 1, wherein the end of the impact wrench is removably connected to a control rod provided outside the impact wrench. (3) The oil pulse type impact wrench according to claim 1, wherein the pulse hammer, flow path control valve, and control rod are arranged on the same axis.