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Nailing tool
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A technology for nailing tools and gears, which is applied in the field of nailing tools and can solve problems such as complex structures and increased space
Pending Publication Date: 2021-07-06
朱益民
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Abstract
Description
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Problems solved by technology
The hitting tool uses a lifting mechanism with intermediate wheels and guide wheels to reset the striker, and its structure becomes more complicated, and the space for accommodating these parts will be greatly increased
Method used
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Embodiment 1
[0050] A nailing tool such as Figure 6 , Figure 7 , Figure 10 and Figure 11 shown. The nailing tool includes a housing, in which a cylinder 6, a striker 5 and a drive mechanism are arranged, the striker 5 is connected to the piston 4 in the cylinder 6, and the drive mechanism drives the piston 4 to act to realize firing of the striker 5; the drive mechanism includes a cylinder 6 The connected air chamber 2, the air chamber 2 is essentially a chamber or passage arranged in the cylinder body 7, which is used to supplement the air chamber 2 with an air storage tank 11; An adjustment mechanism for opening and closing the connecting channel of the gas tank 11.
[0051] Wherein, the adjusting mechanism includes a valve 91 arranged in the connecting channel, the valve 91 is directly connected to the adjusting rod 10, and the adjusting rod 10 is driven by an external force to drive the valve 91 to move axially to open and close the connecting channel. The connection channel i...
Embodiment 2
[0069] A nailing tool such as Figure 8 , Figure 9 and refer to Figure 1 to Figure 5 As shown, the difference between it and the nailing tool in Embodiment 1 is that a spring 92 is provided below the valve 91 , the upper end of the spring 92 is connected to the lower end of the valve 91 , and the lower end of the spring 92 is connected to the adjustment rod 10 .
[0070] With the structure in this embodiment, when replenishing gas, as the air pressure in the gas chamber increases, the valve 91 gradually moves down, and the spring 92 is gradually compressed. When the gas in the gas chamber exceeds the set pressure, the spring 92 is used to compress and When the valve 91 moves down, the connecting channel can be closed, thereby automatically stopping the supplementary gas, avoiding excessive pressure in the gas chamber 2, and eliminating potential safety hazards.
[0071] In this embodiment, when the piston 4 in the cylinder 6 is at the bottom dead center 36, the connecting ...
Embodiment 3
[0073] A nailing tool, the main structure refers to embodiment 1 and combines Figure 16 , Figure 17 As shown, the difference between it and Embodiment 1 is that the pressure spring receiving cavity 1911 is a through hole, and one end of the compression spring 233 is radially limited, which essentially makes the end of the compression spring 233 lean against the Figure 16 In the position shown on the non-peripheral gear 23 , the stopper is a protrusion 23112 arranged on the movable tooth 231 and integrally formed with the movable tooth 231 .
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Abstract
The invention provides a nailing tool which comprises a rack type firing pin and a firing pin reset mechanism, and the firing pin reset mechanism comprises a motor and a non-complete-cycle gear connected to the output end of the motor. After the non-complete-cycle gear driven by the motor is disengaged from the rack type firing pin to be engaged, the rack type firing pin moves forwards under the action of high-pressure gas to achieve nailing. After nailing, the motor drives the non-complete-cycle gear to be engaged with the rack type firing pin again, and along with continuous rotation of the non-complete-cycle gear, the rack type firing pin is driven to the initial position to achieve resetting. Teeth on the non-complete-cycle gear are movable teeth capable of reciprocating in the radial direction. The nailing tool is excellent in nailing performance and good in firing pin resetting performance, no matter where the rack type firing pin stops, the non-complete-cycle gear of the firing pin reset mechanism can be smoothly engaged with the rack type firing pin, and therefore smooth resetting of the firing pin is achieved, and the situation that the firing pin cannot be reset or get stuck is completely avoided.
Description
technical field [0001] The invention relates to a nailing tool. Background technique [0002] Most of the existing nailing tools use a spring to directly drive the striker to reset, which has the disadvantages of poor reset performance of the striker. In addition, the document CN110253504A discloses a hand-held striking tool, which includes an energy storage mechanism composed of a cylinder in the housing and a piston. The piston is fixedly connected with the firing pin extending to the gun mouth. There is a nail box on one side of the nail box, and a lifting mechanism is set between the handle and the nail box; the lifting mechanism includes firing pins with meshing teeth distributed at intervals in the length direction, and driving wheels with meshing protrusions distributed at predetermined arc length intervals in the circumferential direction to drive The wheel is connected to the motor drive that provides electric energy from the battery pack; it also includes an inter...
Claims
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Application Information
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