Gas combustion type hammering tool

A technology of driving tools and gas, which is applied in the direction of nailing tools, manufacturing tools, portable motorized devices, etc., can solve the problems of frictional impact, insufficient impact buffer, motor damage, etc., and achieve the effect of mitigating impact

Inactive Publication Date: 2008-04-02
MAX CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, when the shaft of the motor is vibrated, strong friction and collision with the bearing hole of the housing part are caused.
As a result, in the conventional motor holding mechanism, vibration and shock in the direction perpendicular to the axis of the motor are not sufficiently cushioned, and the motor may be damaged.

Method used

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Examples

Experimental program
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Embodiment Construction

[0036] Hereinafter, typical embodiments of the present invention will be described with reference to the drawings.

[0037] In Fig. 1, reference numeral 1 is a gas combustion type nailing machine, and an impact cylinder 4 is provided in a casing 3 integrally provided with a handle 2, and an impact piston 6 is accommodated in the impact cylinder 4 so as to be slidable in an up and down direction. The impact piston 6 has a driver 5 for hammering nails. The bottom of above-mentioned casing 3 is formed with the nozzle part 8 that has ejection port 7, and the rear side of nozzle part 8 is connected with the nail case 10 that loads and connects nail 9, and the nail in the nail case 10 is supplied to ejection port successively, and by The above-mentioned nailer 5 strikes and nails into the material to be driven from the injection port 7 .

[0038] A combustion chamber 11 for generating a mixed gas of combustible gas and air and burning the mixed gas is formed above the impingement c...

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PUM

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Abstract

A gas combustion type hammering tool, wherein a motor storage part (22) is formed in the upper wall of a combustion chamber (11). The shaft (21) of a motor (20) is coupled to a rotating fan (18) facing the combustion chamber (11) through the bottom part of the storage part (22). A mixed gas obtained by mixing gases by the rotating fan (18) is ignited and burned in the combustion chamber (11). A fastener is hammered by the pressure of combustion gas produced by the combustion. The motor (20) is stored in the storage part (22) through short cylindrical elastic damping bodies (25) and (26) installed on the upper and lower parts thereof. A plurality of groove holes (28) longer in the vertical direction are formed in the damping bodies (25) and (26) at prescribed intervals along the circumferential direction.

Description

technical field [0001] The present invention relates to a motor holding mechanism of a gas combustion type driving tool, which ignites a mixed gas obtained by mixing combustible gas and air by a rotating fan driven by a motor in a combustion chamber formed above an impact cylinder to make it Combustion uses the pressure of the combustion gas generated by the combustion to drive the impact piston housed in the impact cylinder, and impacts the fasteners such as nails placed below it with a driver integrated with the impact piston, Thereby performing nailing and other operations. Background technique [0002] As an example of a gas combustion type driving tool, a gas combustion drive driver is known. In the gas combustion drive driving machine, inject combustible gas into the closed combustion chamber, stir the mixture of combustible gas and air in the combustion chamber, and the stirred mixed gas burns in the combustion chamber to generate high-pressure combustion gas in the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25C1/08
CPCB25F5/006F16F1/376B25C1/08B25C1/00
Inventor 横地稳
Owner MAX CO LTD
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