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A fastener driving tool

A fastener driving and tool technology, applied in the direction of manufacturing tools, nailing tools, etc., can solve the problems of poor reliability and complicated structure of elastic engaging parts.

Active Publication Date: 2022-03-15
NANJING TENGYA PRECISE TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, elastic engagement parts with a certain degree of freedom not only complicate the structure, but also have poor reliability

Method used

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  • A fastener driving tool
  • A fastener driving tool
  • A fastener driving tool

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The basic structure of the fastener driving tool in this embodiment is as follows: image 3 and Figure 4 As shown, the rear end of the housing 1 is equipped with an energy storage mechanism 2 composed of a cylinder 2-2 and a piston 2-1, and the piston 2-1 is fixedly connected with the firing pin 4 extending to the gun mouth 3. The lower side of the cylinder body 2-2 is provided with a handle 5 with a battery pack 5-1, the lower side of the gun nozzle 3 is provided with a nail box 6 for arranging nails, and between the handle 5 and the nail box 6 is a The lifting mechanism 7 and the motor 8 and the reduction transmission mechanism 8-1 that are positioned at the bottom.

[0024] The concrete structure of hoisting mechanism 7 is as Figure 5 and Figure 6 As shown, it contains a tooth-missing driving wheel 9 meshing with the striker 4, and the driving wheel 9 is connected to the electric motor 8 provided by the battery pack 5-1 through the reduction transmission mechan...

Embodiment 2

[0028] The basic structure of the fastener driving tool in this embodiment is the same as that in Embodiment 1, the difference lies in the lifting mechanism such as Figure 7 As shown, the striker 4 of the lifting mechanism has the first and second sets of engagement protrusions respectively located on both sides in the length direction, and the tooth-missing abdication drive wheel 9 has the same teeth that are respectively engaged with the first and second sets of engagement protrusions. Shafts 1st and 2nd toothless drive wheels. The first group of meshing protrusions and the first group of tooth-missing transmission wheels lack the first meshing protrusions and the first meshing teeth respectively, that is, only have the second, third and fourth meshing protrusions except the first meshing protrusions 4-2, 4-3, 4-4, only have the second, the 3rd, the 4th meshing teeth 9-2, 9-3, 9-4 except the first meshing teeth; The gear and the second group of tooth-missing transmission w...

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Abstract

The invention relates to a fastener driving tool and belongs to the technical field of electric tools. The tool includes an energy storage mechanism composed of a cylinder and a piston in the housing. The piston is fixedly connected with the firing pin extending to the gun mouth. One side of the cylinder is provided with a handle with a battery pack, and one side of the gun mouth is provided with a nail box. There is a lifting mechanism between the handle and the nail box; the lifting mechanism has a missing tooth that engages with the striker to make way for the drive wheel, and the drive wheel is connected to the motor that provides electric energy from the battery pack; there is a set of engagement protrusions along the length of the striker, and the striker The first engaging protrusion adjacent to the piston is higher than the other engaging protrusions, and the first engaging tooth of the driving wheel corresponding to the first engaging protrusion avoids the axial deviation of the other engaging protrusions. After adopting the present invention, the normal meshing relationship between the driving wheel and the firing pin can be guaranteed all the time, effectively avoiding the possible meshing interference between the driving wheel and the firing pin due to the nail being stuck, completely eliminating the uncontrolled action of the firing pin, and ensuring safe operation.

Description

technical field [0001] The invention relates to a fastener driving tool, in particular to an electric gas spring nail gun, which belongs to the technical field of electric tools. Background technique [0002] As far as the applicant knows, for a long time, tools for fixing one object to another with the aid of nail-type fasteners have been mainly pneumatic, including high-pressure gas, gas combustion, etc., which are not only expensive, but also have potential safety hazards. For this reason, electric gas spring nail guns have appeared in recent years. Its typical structure is disclosed in Chinese patent literature with application number 201621041199.3. This type of nail gun is driven by a motor to rotate the missing tooth to give way to the drive wheel, thereby lifting the firing pin meshed with it. Energy is stored by the piston compressing the air in the cylinder. Afterwards, when the drive wheel reaches the state of lack of teeth and breaks away from the engagement wit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25C1/06
CPCB25C1/06
Inventor 常凤智高冬生朱清华王爱国
Owner NANJING TENGYA PRECISE TECH DEV CO LTD