CN100445042C - Nail gun with safety protector - Google Patents

Abstract

The invention relates to a nail gun with a safety protection device, which comprises a shell, a punching sheet, an elastic sheet, a pressing handle and a safety action rod body. The pressing handle is provided with a clamping hook, and the punching sheet is provided with a hollow window. When the force is applied to the safety action rod body and the pressure handle, the hook of the pressure handle can be driven to buckle the hollow window of the punching sheet, the force is continuously applied to the hook of the pressure handle, the punching sheet can be lifted and is connected with the hook of the pressure handle, so that the elastic sheet is forced to deform, and the hook of the pressure handle is separated from the hollow window of the punching sheet to finish the action of the nail gun. Therefore, the safety protection design of the safety action rod body can avoid the occurrence of danger caused by the misoperation of the nail gun.

Description

Nail gun with safety guard

technical field

The invention relates to a nail gun, in particular to a manual nail gun with a safety protection device.

Background technique

It is known that nail guns have been widely used in various places, and various nail guns can be used in decoration construction or indoor office. US Patent No. 6,729,525 discloses "an improved structure of a two-dimensional positioning nail gun", which is easy to operate and can be positioned.

Because the nail gun is easy to operate, even if it is a manual nail gun, as long as the pressure handle is pressed firmly, the nail can be fired, which makes accidents frequent. Traditional manual nail guns do not provide any protective device, so it is impossible to prevent wrong firing of nails.

It can be seen from the above description that the safety protection design of the known nail gun still has many shortcomings and needs to be improved.

Contents of the invention

The purpose of the present invention is to provide a nail gun with a safety protection device, which is designed by the safety protection of the safety action rod body, which can avoid the danger of the nail gun malfunctioning.

The invention relates to a nail gun with a safety protection device, which is characterized in that it includes:

A housing, which has an inner space, and the inner space has a first track groove and a positioning groove;

A punching piece, which can be movably assembled in the first track groove in the inner space of the housing, the punching piece has a hollow window and a combination hole;

An elastic piece, which has a first end and a second end, and the first end of the elastic piece is fixed in the positioning groove of the inner space of the housing, and the second end of the elastic piece is combined with the combination hole of the punching piece;

a pressing handle, the shaft of which is arranged on the housing, the pressing handle has a hook, and the hook is located on one side of the punching hollow window; and

A safety action rod body, which is movably assembled in the inner space of the housing, the safety action rod body has a first end and a second end, and the first end of the safety action rod body can protrude from the inside of the housing body outside the space, and the second end of the safety action rod is against the hook of the pressing handle;

Wherein, when pressure is applied to the first end of the safety action rod body, and at the same time force is applied to the pressure handle, the hook of the pressure handle can be driven to engage the hollow window of the punching sheet.

Wherein, the second end of the elastic piece is inserted into the combination hole of the punching piece.

Wherein, the inner space of the casing also has a second track groove, and the safety action rod is movably assembled in the second track groove in the inner space of the casing.

Wherein, the first end of the safety action rod is covered with a cap.

Wherein, the first track groove of the casing has an outlet, and the stamping piece has a bumping portion, and the bumping portion is the outlet that can protrude from the first track groove.

Wherein, the safety action rod body includes an L-shaped rod body.

Wherein, the second track groove of the casing has an outlet, and the first end of the safety action rod can protrude from the outlet of the second track groove.

Wherein, the pressing handle further includes a torsion spring, and the torsion spring is pressed against the casing and the pressing handle respectively.

Wherein, the casing further includes a shaft rod, which is passed through the pressure handle, so that the pressure handle shaft is fixed to the casing.

Wherein, the pressing handle also includes a plug body, which is installed on the hook and the pressing handle, so that the hook is assembled on the pressing handle.

Wherein, the casing is composed of a first casing and a second casing.

Therefore, a nail gun with a safety protection device of the present invention can ensure that the hook of the pressure handle cannot always hook the hollow window of the punching piece, so that the nail can be prevented from being pressed by mistakenly pressing the pressure handle. And when it is determined to shoot the nail, apply pressure to the first end of the safety action rod body, and when applying force to the pressure handle at the same time, it can be used to drive the hook of the pressure handle to buckle the hollow window of the punching plate, and then press firmly Press the handle before firing the nail. Therefore, the safety protection design of the safety action rod body can avoid the danger of misoperation of the nail gun.

Description of drawings

In order to further illustrate the specific technical content of the present invention, below in conjunction with embodiment and accompanying drawing detailed description as follows, wherein:

Fig. 1 is a perspective sectional view of a preferred embodiment of the present invention.

Fig. 2 is an exploded perspective view of a preferred embodiment of the present invention.

Fig. 3 is a perspective side view of a preferred embodiment of the present invention without force applied.

Fig. 4 is a three-dimensional side view of the pressing safety action lever body in a preferred embodiment of the present invention.

Fig. 5 is a perspective side view of a pressing handle according to a preferred embodiment of the present invention.

Detailed ways

The present invention relates to a nail gun with a safety protection device. First, please refer to FIG. 1, which is a three-dimensional sectional view of a preferred embodiment of the present invention, and FIG. 2, which is a three-dimensional exploded view of a preferred embodiment of the present invention. . The present invention includes a casing 10 , a punching piece 20 , an elastic piece 30 , a pressing handle 40 , and a safety action lever 50 .

The casing 10 is provided with an internal space 11, a first casing 101, and a second casing 102, and the internal space 11 is provided with a first track groove 12, a positioning groove 13, a second track groove 14, and A shaft 15. The safety action lever body 50 is a second track groove 14 that is movable and assembled in the inner space 11 of the casing 10 . The first track groove 12 of the casing 10 has an outlet 121 . The second track groove 14 of the casing 10 has an outlet 141 . The outlet 141 of the second track groove 14 of the housing 10 is located on one side of the outlet 121 of the first track groove 12 . In this embodiment, the casing 10 is formed by combining the first casing 101 and the second casing 102 . The shaft 15 passes through the pressing handle 40 so that the pressing handle 40 is axially fixed to the casing 10 .

The punching piece 20 is movable and arranged in the first track groove 12 of the inner space 11 of the casing 10 , and the punching piece 20 is set with a hollow window 21 , a coupling hole 22 , and a bumping portion 23 . The impact portion 23 of the punching piece 20 can protrude from the outlet 121 of the first track groove 12 .

The elastic piece 30 is provided with a first end 31 and a second end 32, and the first end 31 of the elastic piece 30 is fixed in the positioning groove 13 of the inner space 11 of the housing 10, and the second end 32 of the elastic piece 30 is combined with the punching piece. 20. The second end 32 of the elastic piece 30 is inserted into the coupling hole 22 of the punching piece 20 .

The pressing handle 40 is pivotally arranged on the housing 10 . The pressing handle 40 is provided with a hook 41 , a torsion spring 42 , and a bolt 44 . The hook 41 is located on one side of the hollow window 21 of the stamping plate 20 . The torsion spring 42 resists against the housing 10 and the pressing handle 40 respectively. Thereby, the housing 10 and the pressing handle 40 can maintain a fixed angle. The plug body 44 passes through the hook 41 and the pressure handle 40 , so that the hook 41 is assembled on the pressure handle 40 .

The safety action rod body 50 is movably arranged in the inner space 11 of the housing 10. The safety action rod body 50 is provided with a first end 51, a second end 52, and a cap 60. The first end of the safety action rod body 50 The end 51 can protrude from the inner space 11 of the housing 10, and the cap body 60 is sleeved on the first end 51 of the safety operation rod body 50, and the second end 52 of the safety operation rod body 50 is against the pressure handle 40. hook 41 . In this embodiment, the safety action rod body 50 is an L-shaped rod body. The first end 51 of the safety action rod body 50 can protrude from the outlet 141 of the second track groove 14 of the casing 10 .

Wherein, when pressure is applied to the first end 51 of the safety action rod body 50 and the pressure handle 40 is applied, the hook 41 of the pressure handle 40 can be driven to hook the hollow window 21 of the punching sheet 20 .

Therefore, the present invention provides a nail gun with a safety protection device, which can ensure that the hook of the pressing handle cannot always hook the hollow window of the punching piece, so that the nail gun cannot normally operate normally, so as to avoid Danger of nail gun misoperation.

Please refer to Fig. 3 at the same time, which is a perspective side view of a preferred embodiment of the present invention without applying force; Fig. A three-dimensional side view of the pressing handle of the preferred embodiment.

In FIG. 3 , when no force is applied to the safety action rod body 50 , the hook 41 of the pressing handle 40 cannot hook the hollow window 21 of the punching plate 20 . At this time, no matter how the pressing handle 40 is pressed, the nail gun cannot operate normally. It can be clearly seen in Fig. 4 that when the safety action rod body 50 is pressed, and because the second end 52 of the safety action rod body 50 is against the hook 41 of the pressure handle 40, the angle of the hook 41 of the pressure handle 40 is changed in conjunction with each other. At the same time, force is applied to the pressing handle 40, so that the hook 41 of the pressing handle 40 advances to hook to the upper edge of the hollow window 21 of the punching piece 20. In Fig. 5, when pressure is applied to the pressure handle 40 again, the hook 41 lifts the hollow window 21 of the punching piece 20 upwards, and the second end 32 of the elastic piece 30 is lifted up, and the elastic piece 30 is deformed under force. When the hook 41 of the pressing handle 40 disengages from the upper edge of the hollow window 21 of the punching piece 20 , the shrapnel 30 hits the punching piece 20 downward to complete the action of the nail gun.

In this embodiment, when the hook 41 of the pressing handle 40 breaks away from the upper edge of the hollow window 21 of the punching piece 20, and the shrapnel 30 hits the punching piece 20 downward, and after the action of the nail gun is completed, the pressing handle 40 The hook 41 returns to the state of being unable to hook the hollowed-out window 21 of the punching sheet 20. Therefore, the safety action rod 50 must be pressed again before the nail-shooting action can be performed again.

The above-mentioned embodiments are only examples for convenience of description, and the scope of rights claimed by the present invention should be based on the scope of the patent application, rather than limited to the above-mentioned embodiments.

Claims (11)

1. A nail gun with a safety protection device, characterized in that it comprises: A housing, which has an inner space, and the inner space has a first track groove and a positioning groove; A punching piece, which can be movably assembled in the first track groove in the inner space of the housing, the punching piece has a hollow window and a combination hole; An elastic piece, which has a first end and a second end, and the first end of the elastic piece is fixed in the positioning groove of the inner space of the housing, and the second end of the elastic piece is combined with the combination hole of the punching piece; a pressing handle, the shaft of which is arranged on the housing, the pressing handle has a hook, and the hook is located on one side of the punching hollow window; and A safety action rod body, which is movably assembled in the inner space of the housing, the safety action rod body has a first end and a second end, and the first end of the safety action rod body can protrude from the inside of the housing body outside the space, and the second end of the safety action rod is against the hook of the pressing handle; Wherein, when pressure is applied to the first end of the safety action rod body, and at the same time force is applied to the pressure handle, the hook of the pressure handle can be driven to engage the hollow window of the punching sheet. 2. The nail gun with a safety protection device as claimed in claim 1, wherein the second end of the shrapnel is inserted into a joint hole of the punching piece. 3. The nail gun with a safety protection device as claimed in claim 1, wherein, the inner space of the housing also has a second track groove, and the safety action rod is movably assembled on the The second track groove of the inner space of the housing. 4. The nail gun with a safety protection device as claimed in claim 1, wherein a cap is provided on the first end of the safety action rod. 5. The nail gun with safety protection device as claimed in claim 1, wherein, the first track groove of the housing has an outlet, and the punching piece has an impact part, and the impact part can be Stretch out the outlet of this first track groove. 6. The nail gun with a safety protection device as claimed in claim 1, wherein the safety action rod body comprises an L-shaped rod body. 7. The nail gun with a safety protection device as claimed in claim 3, wherein the second track groove of the casing has an outlet, and the first end of the safety action rod can protrude from the second track groove. The outlet of the second track slot. 8. The nail gun with a safety protection device according to claim 1, wherein, the pressure handle further comprises a torsion spring, and the torsion spring is pressed against the casing and the pressure handle respectively. . 9. The nail gun with a safety protection device according to claim 1, wherein, the casing further comprises a shaft, and the shaft passes through the pressure handle so that the pressure handle shaft is fixed in the shell. 10. The nail gun with safety protection device as claimed in claim 1, wherein, the pressing handle further includes a bolt body, which is passed through the hook and the pressing handle, so that the pressing handle The hook group is arranged on the pressing handle. 11. The nail gun with a safety protection device as claimed in claim 1, wherein the housing is composed of a first housing and a second housing.

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