TWM591027U - Pneumatic pallet nailer - Google Patents

Abstract

The present invention provides a pneumatic pallet nail gun, which includes a gun body, a second trigger unit, a cylinder, a piston and a clamping mechanism. The gun body includes an air chamber and an intake valve group. The intake valve group includes an air inlet for gas to enter, a gas channel connecting the air chamber, and a choke rod group located in the gas channel. The second trigger unit is pivotally arranged in the gun body, the cylinder is connected to the gun body and communicates with the air chamber, the piston is displaced in the cylinder, the clamping mechanism is connected to the piston and is linked by the piston. Among them, the second trigger unit is operated to switch the choke lever group between the open position and the closed position. When the choke lever group is in the open position, the gas enters the air chamber and the cylinder from the gas channel, so that the piston drives the clamping mechanism to clamp the workpiece When the choke lever group is in the closed position, the gas is prevented from entering the gas chamber. The pneumatic pallet nail gun has the convenience of use.

Description

Pneumatic pallet nail gun

The present invention relates to a nail gun, and particularly to a pneumatic pallet nail gun.

Pneumatic nail gun is a common hand tool. It is used to automatically fire nails to connect and fix two boards or plural boards. It is very convenient to use. Therefore, pneumatic nail guns are also widely used in the binding of pallets.

When the pallet is bound, the person usually holds the nail gun to fix the horizontal and vertical wooden boards. In order to ensure a stable connection between the wooden boards, a positioning tool needs to be used to temporarily fix the second wooden board, and then the nail gun is operated, which is time-consuming and labor-intensive.

In view of this, how to effectively improve the structure of the pneumatic nail gun so that it can be conveniently applied to pallet binding has become the goal of the efforts of the related industry.

The present invention provides a pneumatic pallet nail gun. Through its structural configuration, the convenience of use of the pneumatic pallet nail gun can be improved.

According to one embodiment of the present invention, a pneumatic pallet nail gun is provided, which includes a gun body, a first trigger unit, a second trigger unit, a cylinder, a piston and a clamping mechanism. The gun body includes a grip part, a nailing part, and a gas Chamber and an intake valve group, the nailing part is connected to one end of the grip part, the air chamber penetrates the grip part and the nailing part, the intake valve group includes an air inlet for one gas to enter, and one of the communicating air chambers The gas channel and a choke rod group located in the gas channel. The first trigger unit is pivotally arranged on the gun body, the second trigger unit is pivotally arranged on the gun body and can act as a choke lever group, the cylinder is connected to the other end of the grip portion and communicates with the air chamber; the piston is displaced in the cylinder. The clamping mechanism includes a base arm and a clamp arm, the base arm is connected to the gun body, the clamp arm is pivotally arranged on the base arm, and the clamp arm has a linkage end pivotally connected to the piston. Among them, the second trigger unit is operated to switch the choke lever group between an open position and a closed position. When the choke lever group is in the open position, the gas enters the air chamber and the cylinder from the gas channel, so that the piston drives the clamp arm toward the base arm Pivot and hold it in a clamping position, and then withdraw the first trigger unit, so that the gas in the gas chamber drives the nailing part to act; when the choke lever group is in the closed position, the gas is prevented from entering the gas chamber.

In this way, the choke lever group of the intake valve group can be controlled through the second trigger unit, and the clamping mechanism can be actuated by the interlocking piston, so that the pneumatic pallet nail gun has the convenience of use.

According to the foregoing multiple embodiments of the pneumatic pallet nail gun, the intake valve group may further include a vent channel and a switch valve, the vent channel communicates with the air chamber, and the switch valve is movably disposed in the vent channel. Among them, press the second trigger unit to actuate the on-off valve. The on-off valve closes the vent channel and switches the choke lever group to the open position. When the second trigger unit is not pressed, the choke lever group is switched to the closed position and the on-off valve is reset. And the gas flows out from the vent channel. Alternatively, the intake valve group may further include a limit pin, which is located in the vent channel, and the switch valve may include a limit hole, which is coupled to the limit pin, so that the switch valve is movably limited to the vent channel.

According to another embodiment of the present invention, a pneumatic pallet nail gun is provided, which includes a gun body, a second trigger unit, a cylinder, a piston and a clamping mechanism. The gun body includes an air chamber and an intake valve group. The intake valve group includes an air inlet for a gas to enter, a gas channel connecting the air chamber, and a choke rod group located in the gas channel. The second trigger unit is pivotally arranged in the gun body, the cylinder is connected to the gun body and communicates with the air chamber, the piston is displaced in the cylinder, the clamping mechanism is connected to the piston and is linked by the piston. Among them, the second trigger unit is operated to switch the choke lever group between an open position and a closed position. When the choke lever group is in the open position, the gas enters the air chamber and the cylinder through the gas channel, so that the piston drives the clamping mechanism clamp Holding a workpiece, when the choke lever set is in the closed position, it prevents gas from entering the gas chamber.

According to the foregoing multiple embodiments of the pneumatic pallet nail gun, the intake valve group may further include a vent channel and a switch valve, the vent channel communicates with the air chamber, and the switch valve is movably disposed in the vent channel. Among them, press the second trigger unit to actuate the on-off valve. The on-off valve closes the vent channel and switches the choke lever group to the open position. When the second trigger unit is not pressed, the choke lever group is switched to the closed position and the on-off valve is reset. And the gas flows out from the vent channel.

According to the foregoing multiple embodiments of the pneumatic pallet nail gun, the choke lever set may include a baffle, a push rod and a baffle spring, the baffle is pivotally disposed on the body of the intake valve group, and the push rod is connected to the baffle And it is selectively pushed by the on-off valve, and the flap spring is compressed by the flap to store the force.

According to the foregoing multiple embodiments of the pneumatic pallet nail gun, the bleed passage may include a small diameter section and a large diameter section, the small diameter section is connected to the gas passage, and the large diameter section is connected to the small diameter section. The intake valve group may further include at least one air vent, which is located in the large-diameter section, and the on-off valve includes a clogged end, an oil seal, and an abutment rod. The plug end is displaced at the vent channel, the oil seal is sleeved at the blocked end, and the abutment rod is connected to the blocked end and corresponds to the push rod. When the on-off valve is pushed by the second trigger unit, the displacement of the blocked end causes the oil seal to enter the small diameter section to close the bleed passage. When the flap spring pushes the flap to reset, the push rod pushes the resisting rod to displace the blocked end. The segment enters the large-diameter segment, and the gas leaves the vent channel through at least one vent port.

According to the foregoing plural embodiments of the pneumatic pallet nail gun, wherein the intake valve group may further include a limit pin, which is located in the exhaust passage, and the on-off valve may include a limit hole, which is coupled to the limit pin, so that The on-off valve is movably limited to the bleed passage. Alternatively, the clamping mechanism may include a base arm and a clamp arm, the base arm is connected to the gun body, the clamp arm is pivotally mounted on the base arm, and the clamp arm has a linking end pivotally connected to the piston, when the piston is actuated, the clamp arm is linked Swing towards the base arm to clamp the workpiece between the base arm and the clamp arm.

100‧‧‧Pneumatic Pallet Nailer

200‧‧‧gun body

210‧‧‧grip part

220‧‧‧ nailing department

230‧‧‧gas chamber

240‧‧‧ intake valve group

241‧‧‧Air inlet

242‧‧‧Gas channel

243‧‧‧choke rod set

2431‧‧‧Putter

2432‧‧‧Baffle

2433‧‧‧Baffle spring

244‧‧‧Bleeding channel

2441‧‧‧small diameter section

2452‧‧‧ blocked end

2453‧‧‧oil seal

2454‧‧‧Limit hole

246‧‧‧ vent

247‧‧‧Limit pin

300‧‧‧ First trigger unit

400‧‧‧Second trigger unit

500‧‧‧Cylinder

600‧‧‧piston

700‧‧‧Clamping mechanism

710‧‧‧Base arm

720‧‧‧arm

721‧‧‧Linked end

722‧‧‧ clamping end

2442‧‧‧Large diameter section

245‧‧‧ On-off valve

2451‧‧‧Reject

800‧‧‧trachea

900‧‧‧Bumper

M‧‧‧Workpiece

Figure 1 shows a perspective schematic view of a pneumatic pallet nail gun according to an embodiment of the present invention; Figure 2 shows a partial cross-sectional schematic view of the pneumatic pallet nail gun of Figure 1; Figure 3 shows the first figure Fig. 4 is a schematic cross-sectional view of another part of the pneumatic pallet nail gun; Fig. 4 is a schematic cross-sectional view of another part of the pneumatic pallet nail gun of Fig. 1; Fig. 5 is a further cross-sectional view of the pneumatic pallet nail gun of Fig. 1 Schematic diagram; and FIG. 6 is another schematic perspective view of the pneumatic pallet nail gun of FIG. 1.

The embodiments of the present invention will be described below with reference to the drawings. For clarity, many practical details will be explained in the following description. However, readers should understand that these practical details should not be used to limit the novelty. That is to say, in some embodiments of the present invention, these practical details are not necessary. For the sake of simplifying the drawings, some conventional structures and elements will be shown in a simple schematic manner in the drawings; and repeated elements may be indicated by the same or similar numbers.

In addition, in this document, when an element (or mechanism or module, etc.) is “connected”, “set” or “coupled” to another element, it may mean that the element is directly connected, directly set or directly coupled to another element It can also mean that an element is indirectly connected, indirectly arranged, or indirectly coupled to another element, meaning that there are other elements between the element and the other element. However, when it is explicitly stated that a certain element is "directly connected", "directly set" or "directly coupled" to another element, it means that no other element is interposed between the element and the other element. The first, second, and third terms are only used to describe different elements or components, and there is no limitation on the elements/components themselves. Therefore, the first elements/components can also be renamed as the second elements/components. In addition, the combination of components/components/mechanisms/modules in this article is not a generally known, conventional or conventional combination in this field, and it is impossible to determine whether the combination relationship is based on whether the components/components/mechanisms/modules themselves are known It is easily completed by those with ordinary knowledge in the technical field.

Please refer to FIG. 1, FIG. 2, FIG. 3, FIG. 4, FIG. 5 and FIG. 6, wherein FIG. 1 shows a perspective schematic view of a pneumatic pallet nail gun 100 according to an embodiment of the present invention At this time, the workpiece M is not clamped; FIG. 2 is a schematic cross-sectional view of a part of the pneumatic pallet nail gun 100 of FIG. 1, and the choke lever group 243 is in the closed position so that the gas passage 242 is closed; FIG. 3 FIG. 1 shows another partial cross-sectional schematic view of the pneumatic pallet nail gun 100 of FIG. 1 at this time, the piston 600 is not actuated; FIG. 4 shows another partial cross-sectional schematic view of the pneumatic pallet nail gun 100 of FIG. The rod set 243 is in the open position so that the gas channel 242 is not closed; FIG. 5 shows a schematic cross-sectional view of another part of the pneumatic pallet nail gun 100 of FIG. 1 at this time, the piston 600 is actuated; FIG. 6 shows the diagram of FIG. 1 Another perspective view of the pneumatic pallet nail gun 100, at this time, the workpiece M is clamped. The pneumatic pallet nail gun 100 includes a gun body 200, a second trigger unit 400, a cylinder 500, a piston 600 and a clamping mechanism 700.

The gun body 200 includes an air chamber 230 and an intake valve group 240. The intake valve group 240 includes an air inlet 241 for a gas to enter, a gas passage 242 communicating with the gas chamber 230, and a gas passage 242 located in the gas passage 242一风风杆组243. The second trigger unit 400 is pivotally mounted on the gun body 200, the cylinder 500 is connected to the gun body 200 and communicates with the gas chamber 230, the piston 600 is displaced within the cylinder 500, and the clamping mechanism 700 is connected to the piston 600 and is interlocked by the piston 600. Wherein, the second trigger unit 400 is operated to switch the choke lever group 243 between an open position and a closed position. When the choke lever group 243 is in the open position, gas enters the gas chamber 230 and the cylinder 500 from the gas channel 242, so that The piston 600 drives the clamping mechanism 700 to clamp a workpiece M. When the choke lever group 243 is in the closed position, gas is prevented from entering the gas chamber 230.

In this way, the choke lever group 243 of the intake valve group 240 can be controlled by the second trigger unit 400, and the clamping mechanism 700 can be actuated by the interlocking piston 600, so that the pneumatic pallet nail gun 100 is convenient to use. The detailed structure of the pneumatic pallet nail gun 100 will be described in detail later.

The gun body 200 may further include a grip portion 210 and a nailing portion 220. The nailing portion 220 is connected to one end of the grip portion 210, and the air chamber 230 penetrates the grip portion 210 and the nailing portion 220. In the embodiments shown in FIGS. 1 to 6, the handle portion 210 and the nailing portion 220 are connected in a T-shaped structure, and the handle portion 210 and the nailing portion 220 are hollow to form a gas chamber 230 that penetrates each other. The intake valve group 240 is preferably disposed on the nailing part 220 and opposite to the grip part 210. The intake valve group 240 includes a body (not shown) with an opening corresponding to a mounting port of the nailing part 220 The gas channel 242 communicates with the gas chamber 230.

The pneumatic pallet nail gun 100 may further include a gas pipe 800 connected between the cylinder 500 and the grip portion 210, and the gas pipe 800 is used for gas to flow from the gas chamber 230 to the cylinder 500. When the gas enters the cylinder 500, Push the piston 600 to move.

The intake valve group 240 may further include a bleed passage 244 and a switch valve 245. The bleed passage 244 communicates with the air chamber 230, and the switch valve 245 is movably disposed in the bleed passage 244. Wherein, the second trigger unit 400 is pressed to actuate the on-off valve 245. The on-off valve 245 closes the vent channel 244 and switches the choke lever group 243 to the open position. When the second trigger unit 400 is not pressed, the choke lever group 243 switches to In the closed position, the on-off valve 245 is reset, and gas flows out of the bleed passage 244.

The choke lever group 243 may include a baffle 2432, a push rod 2431 and a baffle spring 2433. The baffle 2432 is disposed on the body of the intake valve group 240. The push rod 2431 is connected to the baffle 2432 and is selected by the switch valve 245 When the force is pushed against, the flap spring 2433 is actuated by the flap 2432 to compress and store force. The baffle 2432 may be disk-shaped, the push rod 2431 protrudes from the center of the baffle 2432, the switch valve 245 is preferably arranged perpendicular to the push rod 2431, and can push the push rod 2431 to link the baffle 2432 to pivot to open the gas Channel 242. The flap spring 2433 preferably has a conical spring structure, which can provide a restoring force after the force is stored to reset the flap 2432 and close the gas passage 242.

In the embodiments of FIGS. 1 to 6, the vent channel 244 may first communicate with the gas channel 242, and then communicate with the gas chamber 230 through the gas channel 242, and the vent channel 244 and the gas channel 242 are perpendicular to each other. Preferably, the vent channel 244 may include a small diameter section 2441 and a large diameter section 2442, the small diameter section 2441 is connected to the gas passage 242, and the large diameter section 2442 is connected to the small diameter section 2441. The intake valve group 240 may further include at least one air vent 246 located in the large diameter section 2442. The on-off valve 245 includes a blocked end 2452, an oil seal 2453 and an abutment rod 2451. The blocked end 2452 is displaced in the exhaust passage 244 and the oil seal 2453 Putting on the blocking end 2452, the resisting rod 2451 is connected to the blocking end 2452 and corresponds to the push rod 2431. When the on-off valve 245 is pushed against the second trigger unit 400, the blocking end 2452 is displaced so that the oil seal 2453 enters the small diameter section 2441 to close the bleed passage 244. When the second trigger unit 400 is released and the flap spring 2433 pushes the flap 2432 to return, the push rod 2431 pushes the abutment rod 2451 to displace the blocked end 2452, the oil seal 2453 enters the large diameter section 2442 from the small diameter section 2441, and the gas The vent port 246 leaves the vent channel 244.

More specifically, the blocking end 2452 of the switching valve 245 and the abutment rod 2451 are integrally formed, and the abutment rod 2451 protrudes from the blocking end 2452 toward the push rod 2431, and the diameter of the blocking end 2452 is less than or equal to that of the small diameter section 2441 In diameter, the oil seal 2453 is sleeved on the blocking end 2452 so that the on-off valve 245 can block the small-diameter section 2441 in a gas-tight manner, so as to close the vent passage 244. When the oil seal 2453 is located in the large-diameter section 2442, the small-diameter section 2441 is not blocked, and the gas can flow from the gas chamber 230 along the gas passage 242 and the small-diameter section 2441 to the large-diameter section 2442, and then flow out from the air vent 246.

In the embodiment shown in FIGS. 1 to 6, the intake valve group 240 further includes a limit pin 247, which is located in the exhaust passage 244, and the switch valve 245 includes a limit hole 2454, which is coupled to the limit pin 247, to The switching valve 245 is movably limited to the bleed passage 244. The on-off valve 245 may further include a limit end (not shown), the connecting end 2452 is away from the side of the abutment rod 2451, the limit hole 2454 penetrates the limit end, and the limit pin 247 is rod-shaped and located in the limit hole 2454 Inside. More preferably, the on-off valve 245 may further include a limit spring (not shown). The limit spring is located in the large diameter section 2442 and is sleeved on the blocking end 2452. When the on-off valve 245 is actuated by the second trigger unit 400, the on-off valve 245 is displaced relative to the limit pin 247 and compresses the stored force of the limit spring; conversely, when the on-off valve 245 is not actuated by the second trigger unit 400, the limit spring is reset Push the switch valve 245 to reset.

The clamping mechanism 700 includes a base arm 710 and a clamp arm 720, the base arm 710 is connected to the gun body 200, the clamp arm 720 is pivotally mounted on the base arm 710, and the clamp arm 720 has a linkage end 721 pivotally connected to the piston 600, when When the piston 600 is actuated, the linkage clamp arm 720 pivots toward the base arm 710 to clamp the workpiece M between the base arm 710 and the clamp arm 720. The base arm 710 is rod-shaped and both ends can be fixed to the gun body 200 On a nail box (not shown), the clamping arm 720 includes a linking end 721 and a clamping end 722. The linking end 721 and the clamping end 722 are integrally connected. In other words, the clamping arm 720 is pivotally connected to the base arm 710 The pivot point on the top is divided into a linking end 721 and a clamping end 722. The clamping end 722 is L-shaped to form an accommodating area for the workpiece M to be placed. When the piston 600 is actuated, the clamping arm 720 is pivoted and held in a clamping position to clamp the workpiece M.

The pneumatic pallet nail gun 100 may further include a first trigger unit 300, the first trigger unit 300 is pivotally disposed on the gun body 200, the second trigger unit 400 may be pivotally disposed on the body of the intake valve group 240, and the second trigger unit 400 pivots relative to the body of the intake valve group 240. As shown in FIGS. 4 to 6, when the second trigger unit 400 is pressed by the user, the second trigger unit 400 pushes the on-off valve 245 to actuate the interlocking push rod 2431, the gas passage 242 is opened, and the gas enters the gas chamber 230 Then, the air pipe 800 flows into the cylinder 500, and the piston 600 is pushed to drive the clamping mechanism 700, so that the piston 600 drives the clamp arm 720 to pivot toward the base arm 710 and maintains the clamped position, and then buckles the first trigger unit 300, so that The gas in the gas chamber 230 drives the nailing part 220 to move, and the nail can be fired to the workpiece M.

On the contrary, as shown in FIGS. 1 to 3, when the user releases the second trigger unit 400, the second trigger unit 400 and the on-off valve 245 are reset, the bleed passage 244 is opened to discharge the gas from the gas chamber 230, and the piston 600 Drive the clamp arm 720 to reset. The user can move the pneumatic pallet nail gun 100 to the next position and operate the pneumatic pallet nail gun 100 again.

In the embodiment of FIGS. 1 to 6, the pneumatic pallet nail gun 100 may further include a bumper 900, which is disposed at the nailing part 220 and connected to the first trigger unit 300, when the clamp arm 720 is located Clamping position When the workpiece M is in use, the bumper 900 can be pushed by the workpiece M, so that the first trigger unit 300 can be pressed, which can further improve the safety and convenience of use, but is not limited by the above disclosure.

Although the present invention has been disclosed as above by way of implementation, it is not intended to limit the present invention. Anyone who is familiar with this skill can make various modifications and retouching without departing from the spirit and scope of the present invention, so the protection of the present invention The scope shall be as defined in the appended patent application scope.

200‧‧‧gun body

230‧‧‧gas chamber

240‧‧‧ intake valve group

2442‧‧‧Large diameter section

245‧‧‧ On-off valve

2451‧‧‧Reject

241‧‧‧Air inlet

242‧‧‧Gas channel

243‧‧‧choke rod set

2431‧‧‧Putter

2432‧‧‧Baffle

2433‧‧‧Baffle spring

244‧‧‧Bleeding channel

2441‧‧‧small diameter section

2452‧‧‧ blocked end

2453‧‧‧oil seal

2454‧‧‧Limit hole

246‧‧‧ vent

247‧‧‧Limit pin

300‧‧‧ First trigger unit

400‧‧‧Second trigger unit

Claims (9)

A pneumatic pallet nail gun includes: a gun body including: a grip portion; a nail hitting portion, an end connected to the grip portion; an air chamber penetrating the grip portion and the nail hitting portion; and an inlet The gas valve group includes an air inlet for a gas to enter, a gas channel communicating with the gas chamber, and a choke lever group located in the gas channel; a first trigger unit is pivotally arranged on the gun body A second trigger unit, pivotally mounted on the gun body, and capable of actuating the choke lever group; a cylinder, connected to the other end of the grip portion and communicating with the air chamber; a piston, displaced in the cylinder ; And a clamping mechanism, including: a base arm connected to the gun body; and a clamp arm pivotally mounted on the base arm, and the clamp arm has a linking end pivotally connected to the piston; wherein, operating the first The two-pull unit switches the choke lever group between an open position and a closed position. When the choke lever group is in the open position, the gas enters the gas chamber and the cylinder from the gas channel, causing the piston to drive The clamp arm pivots toward the base arm and is held at a clamped position, and then the first trigger unit is withdrawn, so that the gas in the gas chamber drives the nailing part to move; When the choke lever group is in the closed position, the gas is prevented from entering the gas chamber. The pneumatic pallet nail gun as described in item 1 of the patent application scope, wherein the intake valve group further comprises: a vent channel communicating with the air chamber; and an on-off valve movably arranged in the vent channel; wherein , Press the second trigger unit to actuate the on-off valve, the on-off valve closes the vent channel and switches the choke lever group to the open position, when the second trigger unit is not pressed, the choke lever group switches to In the closed position, the on-off valve is reset, and the gas flows out of the vent channel. The pneumatic pallet nail gun as described in item 2 of the patent application scope, wherein the intake valve group further includes a limit pin, which is located in the exhaust channel, and the on-off valve includes a limit hole, which is coupled to the limit Position the pin so that the on-off valve can be movably limited to the bleed passage. A pneumatic pallet nail gun, including: a gun body, including: an air chamber; and An intake valve group includes an intake port for a gas to enter, a gas channel communicating with the gas chamber, and a choke lever group located in the gas channel; a second trigger unit is pivotally arranged at the Gun body; a cylinder connected to the gun body and communicating with the gas chamber; a piston, displaced within the cylinder; and a clamping mechanism connected to the piston and linked by the piston; wherein, the second trigger unit is operated to The choke lever set is switched between an open position and a closed position. When the choke lever set is in the open position, the gas enters the gas chamber and the cylinder from the gas channel, so that the piston drives the clamping mechanism Clamping a workpiece, when the choke bar set is in the closed position, the gas is prevented from entering the gas chamber. The pneumatic pallet nail gun as described in item 4 of the patent application scope, wherein the intake valve group further includes: a bleed passage, communicating with the air chamber; and a switching valve, movably disposed in the bleed passage; wherein , Press the second trigger unit to actuate the on-off valve, the on-off valve closes the vent channel and switches the choke lever group to the open position, when the second trigger unit is not pressed, the choke lever group switches to In the closed position, the on-off valve is reset, and the gas flows out of the vent channel. The pneumatic pallet nail gun as described in item 5 of the patent application scope, wherein the choke lever set includes: a baffle plate pivotally arranged on the body of the intake valve group; a push rod connected to the baffle plate and receiving The switch valve is selectively pushed against; and a flap spring is compressed by the flap to store force. The pneumatic pallet nail gun as described in item 6 of the patent application scope, wherein the bleed passage includes: a small diameter section connected to the gas passage; and a large diameter section connected to the small diameter section; the intake valve group It further includes at least one vent port, which is located in the large diameter section; and the on-off valve includes: a blocked end, which is displaced in the vent channel; an oil seal, sleeved on the blocked end; and an abutment rod, connected to the blocked end and facing The lever should be pushed; when the on-off valve is pushed against by the second trigger unit, the displacement of the blocked end causes the oil seal to enter the small diameter section to close the bleed passage. When the flap spring pushes the flap to reset, the push The rod pushes the resisting rod to displace the blocked end, the oil seal enters the large-diameter section from the small-diameter section, and the gas leaves the bleed passage through the at least one bleed port. The pneumatic pallet nail gun as described in item 5 of the patent application scope, wherein the intake valve group further includes a limit pin located in the vent channel, and the switch valve includes a limit hole coupled to the limit Position the pin so that the on-off valve can be movably limited to the bleed passage. The pneumatic pallet nail gun as described in item 4 of the patent application scope, wherein the clamping mechanism includes: a base arm connected to the gun body; and a clamp arm pivotally arranged on the base arm and the clamp arm It has a linkage end pivotally connected to the piston; when the piston is actuated, the clamp arm is pivoted to swing toward the base arm to clamp the workpiece between the base arm and the clamp arm.

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