CN110871419A

CN110871419A - Hammering type nail gun

Info

Publication number: CN110871419A
Application number: CN201811016987.0A
Authority: CN
Inventors: 王伟毅
Original assignee: HANGZHOU LIANHE TOOL MANUFACTURING Co Ltd; Hangzhou Great Star Tools Co Ltd
Current assignee: HANGZHOU LIANHE TOOL MANUFACTURING Co Ltd; Hangzhou Great Star Tools Co Ltd; Hangzhou Great Star Industrial Co Ltd
Priority date: 2018-09-03
Filing date: 2018-09-03
Publication date: 2020-03-10

Abstract

The invention discloses a hammering type nail gun, which comprises a handle and a head, wherein the ratio of the length L of the head to the length L of the hammering type nail gun is 1/6-1/4, the ratio of the width w of the head to the length L of the hammering type nail gun is more than 1/2, the ratio of the weight M of the head to the weight M of the hammering type nail gun is more than 1/2, the handle comprises a magnesium alloy shell which is integrally formed by die casting, the ratio of the weight n of the magnesium alloy shell to the weight M of the hammering type nail gun is more than 0.3, and the thickness of the magnesium alloy shell is not less than 2 mm.

Description

Hammering type nail gun

Technical Field

The invention relates to a nailing tool, in particular to a hammering type nailing gun.

Background

Hammer nailers are tools used in everyday life to fasten relatively thin materials to similar materials such as wood, plastic, and composite panels. In the use process, the head of the hammering type nail gun impacts a workpiece to drive an internal percussion structure to impact the nail into the workpiece.

In the use process of the conventional hammering type nail gun, the handle vibrates obviously, the hand discomfort of an operator can be caused, and meanwhile, the hammering type nail gun is complex in structure and complex in assembly. There is therefore a need in the art to provide a hammer nailer that is simple in construction and easy to assemble and that alleviates the discomfort of the operator's hands.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present invention provides a hammer nail gun with simple structure and easy assembly, which can alleviate the discomfort of the operator's hand.

In order to achieve the above object, the present invention provides a hammer nail gun, wherein a ratio of a length L of a head to a length L of the hammer nail gun is 1/6-1/4, a ratio of a width w of the head to the length L of the hammer nail gun is 1/2 or more, and a ratio of a weight M of the head to a weight M of the hammer nail gun is 1/2 or more.

Further, the handle includes an integrally die cast magnesium alloy housing.

Further, the thickness of the magnesium alloy case is not less than 2mm, and the weight n of the magnesium alloy case is 0.3 or more of the weight M of the hammer nail gun.

Further, the head includes a nail trigger having a hole therein, the nail trigger being configured to move in a direction opposite the hammering direction under the action of a reaction force when contacting the workpiece.

Further, the head portion includes a staple firing assembly including a drive assembly and a firing plate with a hole disposed therein.

Further, the transmission assembly comprises a first transmission piece and a second transmission piece, one end of the first transmission piece is connected with the magnesium alloy shell through a first shaft, one end of the second transmission piece is connected with the magnesium alloy shell through a second shaft, and the other end of the first transmission piece is connected with the other end of the second transmission piece through a second shaft.

Further, one end of the first drive strap is configured to pass through an aperture in the staple trigger and one end of the second drive strap is configured to pass through an aperture in the firing plate.

Further, the first driving plate is arranged to move under the driving of the nail trigger, the second driving plate is arranged to move in the direction opposite to the moving direction of the first driving plate, and the striking plate is arranged to move in the moving direction of the second driving plate.

The magnesium alloy shell further comprises an elastic component and a pressed plate, one end of the elastic component is arranged to be connected with the pressed plate, the other end of the elastic component is arranged to be connected with the second transmission piece, and the elastic component is arranged to be in a compressed state under the driving of the second transmission piece.

Further, the handle includes a cartridge clip disposed in a cavity formed inside the magnesium alloy case.

Compared with the prior art: according to the hammer nail gun, the size and weight distribution proportion of the hammer nail gun are optimized, and in use, nails can be driven into a workpiece by means of the self gravity of the hammer nail gun, so that the use of external force is reduced, and the vibration of a handle can be reduced. The magnesium alloy shell is formed by integral die-casting, and the magnesium alloy is a high-performance light structural material taking magnesium as a raw material and has the specific gravity similar to that of plastic; the magnesium alloy has good damping coefficient and higher damping capacity, the damping capacity is larger than that of aluminum alloy and steel, and when the magnesium alloy is acted by external force, the stress distribution is more uniform and the damping effect is better.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.

Drawings

FIG. 1 is a perspective view of a hammer nailer according to one embodiment of the present invention;

FIG. 2 is a perspective view of the interior of the head of a hammer nailer in accordance with one embodiment of the present invention;

FIG. 3 is a perspective view of the interior of the head of a hammer nailer in accordance with one embodiment of the present invention;

FIG. 4 is a schematic view of a housing half of a hammer nailer in accordance with one embodiment of the present invention;

FIG. 5 is a schematic view of a bulkhead of a hammer nailer according to one embodiment of the present invention;

FIG. 6 is a schematic view of a striking plate of a hammer nailer in accordance with one embodiment of the present invention;

FIG. 7 is a schematic view of a cartridge clip of a hammer nailer in accordance with one embodiment of the present invention;

FIG. 8 is a schematic representation of a hammer nailer prior to firing according to one embodiment of the present invention;

FIG. 9 is a schematic view of a hammer nailer after firing according to one embodiment of the present invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the hammer nail gun 10 includes a head portion 2 and a handle portion 1. The handle portion 1 comprises an integrally die-cast magnesium alloy housing 5, and the head portion 2 comprises an upper cover 6, a front cover 8 and a nail trigger 9. The upper cover 6 and the front cover 8 are provided to be connected by a fastener 20, and the front cover 8 and the magnesium alloy case 5 are provided to be connected by a fastener 30. The upper cover 6 and the front cover 8 serve as a housing for the head 2, which is wrapped around the head 2 by means of a fastening connection. The staple trigger 9 is located between the bulkhead 3 and the front cover 8, and the staple trigger 9 has a curved portion 92. In this embodiment, the curved portion 92 of the staple trigger 9 is configured to strike a workpiece 100. In the present embodiment, the foremost end of the head 2 is the foremost end of the hammer nail gun 10, and the rearmost end of the handle 1 is the rearmost end of the hammer nail gun 10.

As shown in FIGS. 2-6, the head 2 includes a staple firing assembly 4, the staple firing assembly 4 including a transmission assembly 7, a firing plate 50. The drive assembly 7 further includes a first drive strap 71 and a second drive strap 72, with one end of the first drive strap 71 disposed through the aperture 93 of the staple trigger 9 and one end of the second drive strap 72 disposed through the aperture 501 of the firing plate 50. The first drive strap 71 and the magnesium alloy housing 5 are arranged to be pivotally connected by a shaft 73, the second drive strap 72 and the magnesium alloy housing 5 are arranged to be pivotally connected via a shaft 74, the first drive strap 71 and the second drive strap 72 are arranged to be pivotally connected by a shaft 75, the shaft 73 and the shaft 74 defining a shaft 75. In use, movement of the first drive strap 71 causes movement of the second drive strap 72, the first and

second drive straps

71, 72 being arranged to rotate or pivot about the axis 75. The shaft 73 is placed in the hole 52 of the magnesium alloy case 5, and the shaft 74 is placed in the hole 53 of the magnesium alloy case 5. In this embodiment, the portion of the first drive strap 71 that passes through the aperture 93 of the staple trigger 9 and the portion of the second drive strap 72 that passes through the aperture 501 of the firing plate 50 may be provided in a circular shape, although other shapes are contemplated, such as polygonal shapes or the like. In this embodiment, a part of the vibration generated by the hammer nail gun 10 is transmitted to the magnesium alloy case 5 through the

shafts

73 and 74, thereby reducing the hand discomfort caused by the vibration.

The elastic member 60 is provided in the magnesium alloy case 5, and in the present embodiment, the elastic member 60 may be provided as a spring. The rear end portion of the elastic member 60 is disposed so as to abut against the pressure receiving plate 51 that is a part of the magnesium alloy housing 5, and the front end portion of the elastic member 60 is disposed so as to abut against the second drive strap 72. In the present embodiment, when the hammer nail gun 10 touches the workpiece 100, the second driver blade 72 acts on the elastic member 60, and the front end of the elastic member 60 moves toward the rear end of the elastic member 60 along the longitudinal direction of the hammer nail gun 10. The striking plate 50, the partition plate 3 and the nail trigger 9 are sequentially attached, wherein the partition plate 3 is fixed on the magnesium alloy shell 5. The partition 3 is generally "L" shaped, the partition 3 having a bottom end 31 for receiving a front end 81 of the cartridge 80. In the present embodiment, the major axis of the hammer nail gun 10 is defined by the foremost end of the head 2 as the starting point, the rearmost end of the handle 1 as the end point, the direction from the starting point to the end point is the major axis direction of the hammer nail gun 10, and the distance from the starting point to the end point is the major axis length of the hammer nail gun 10.

As shown in fig. 7-9, the cartridge clip 80 is placed in the cavity 54 formed by the magnesium alloy case 5. In this embodiment, the staple trigger 9 is arranged to move in the direction of arrow A under the action of a reaction force when it contacts a workpiece. The nail trigger 9 pushes the first driving plate 71 to pass through the hole 93 of the nail trigger 9 along the arrow A direction, the shaft 73 on the first driving plate 71 moves along the arrow B direction, the shaft 75 moves along the same direction as the shaft 73, the shaft 74 on the second driving plate 72 moves along the arrow C direction, the second driving plate 72 moves along the arrow D direction, the front end of the elastic component 60 is driven by the second driving plate 72 to deform and compress along the arrow E direction, the second driving plate 72 simultaneously drives the striking plate 50 to move along the arrow D direction, and finally the nail 90 is driven into the workpiece 100. In the present embodiment, the direction indicated by arrow a is the direction opposite to the hammering direction, the direction indicated by arrow B is the direction opposite to the direction indicated by arrow C, the direction indicated by arrow D is the hammering direction, and the direction indicated by arrow E is the direction along the longitudinal axis of the hammering nail gun 10.

In the present embodiment, the length L of the hammer nail gun 10 is the length of the long axis of the hammer nail gun 10, and the length L of the extension from the foremost end of the head 2 in the long axis direction of the hammer nail gun 10 is the length of the head 2, and the ratio of the length L of the head 2 to the length L of the hammer nail gun 10 is 1/6 to 1/4, which is defined as the head 2. When the hammer nail gun 10 is not in use, the distance from the lowermost end of the curved portion 92 of the nail trigger 9 to the upper surface of the cover 6 is defined as the width w of the head 2, the ratio of the width w of the head 2 to the length L of the hammer nail gun 10 is 1/2 or more, and the ratio of the weight M of the head 2 to the weight M of the hammer nail gun 10 is 1/2 or more. The ratio of the weight n of the magnesium alloy case 5 to the weight M of the hammer nail gun 10 is 0.3 or more, and the thickness of the magnesium alloy case 5 is not less than 2 mm. The size and weight distribution proportion of the hammering type nail gun are optimized, and when the hammering type nail gun is used, nails can be driven into a workpiece by means of the self gravity of the hammering type nail gun, so that the use of external force is reduced, and the vibration of a handle can be reduced.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. A hammer nail gun comprises a handle and a head, and is characterized in that the ratio of the length L of the head to the length L of the hammer nail gun is 1/6-1/4, the ratio of the width w of the head to the length L of the hammer nail gun is 1/2 or more, and the ratio of the weight M of the head to the weight M of the hammer nail gun is 1/2 or more.

2. The hammer nailer of claim 1 wherein said handle comprises an integrally die cast magnesium alloy housing.

3. The peening nail gun of claim 2, wherein the magnesium alloy shell thickness is not less than 2mm, and the ratio of the weight n of the magnesium alloy shell to the weight M of the peening nail gun is 0.3 or more.

4. The hammering nailer of claim 1 or 2 wherein said head includes a nail trigger having an aperture therein, said nail trigger being configured to move in a direction opposite to the hammering direction under a reaction force when contacting the workpiece.

5. The hammer nailer of claim 4 wherein said head includes a staple firing assembly, said staple firing assembly including a transmission assembly and a firing plate, said firing plate having an aperture therein.

6. The hammer nailer of claim 5 wherein said drive assembly includes a first driver blade and a second driver blade, one end of said first driver blade being configured to be coupled to said magnesium alloy housing by a first shaft, one end of said second driver blade being configured to be coupled to said magnesium alloy housing by a second shaft, the other end of said first driver blade being configured to be coupled to the other end of said second driver blade by a second shaft.

7. The hammer nailer of claim 6 wherein one end of said first driver blade is configured to pass through an aperture in said nail trigger and one end of said second driver blade is configured to pass through an aperture in said firing blade.

8. The hammer nailer of claim 7 wherein said first driver blade is configured to move upon actuation of said nail trigger, said second driver blade is configured to move in a direction opposite to the direction of movement of said first driver blade, and said firing blade is configured to move in the direction of movement of said second driver blade.

9. The hammer nailer of claim 8 wherein said magnesium alloy housing includes a resilient member and a pressure receiving plate, one end of said resilient member being configured to be connected to said pressure receiving plate and the other end of said resilient member being configured to be connected to said second driver blade, said resilient member being configured to be compressed by said second driver blade.

10. The hammer nailer of claim 9 wherein said handle includes a cartridge clip disposed in a cavity formed within said magnesium alloy housing.