CN218194988U - Multipurpose pneumatic tool - Google Patents

Abstract

The utility model discloses a multipurpose pneumatic tool, which comprises a shell, wherein a cylinder, a first firing pin and a driving mechanism are arranged in the shell, a cylinder cover connected with the shell is arranged at the top of the cylinder, a piston is arranged in the cylinder and connected with the first firing pin, and the driving mechanism drives the piston to fire the first firing pin; one end of the shell is provided with a nail head with a gun tube hole; a trigger mechanism for triggering the driving mechanism is arranged on the shell; the shell is also provided with a nail nipping structure, the nail nipping structure comprises a second firing pin, and the connecting end of the second firing pin penetrates through the cylinder cover and then is connected with the piston; the nail pulling end of the second firing pin is connected with a nail pulling claw with a U-shaped clamping groove. The utility model provides a pneumatic tool can realize the nailing, push away the nail and three kinds of functions of nail nipping, compares with current pneumatic tool, and function and usage are more, and it is more convenient to use.

Description

Multipurpose pneumatic tool

Technical Field

The utility model relates to a pneumatic tool, concretely relates to multipurpose pneumatic tool.

Background

The pneumatic tool is a tool which mainly uses compressed air as power to work on the output kinetic energy. The pneumatic nail gun as one kind of pneumatic tool includes one casing, one cylinder, one driving mechanism and one firing pin inside the casing, one trigger mechanism to trigger the driving mechanism in the holding end of the casing, and one piston inside the cylinder to trigger the firing pin after the trigger of the trigger mechanism is triggered. When a pneumatic tool is used to nail a nail, the driven nail needs to be pulled out when the nail is not accurately nailed or the nailing effect is not good. In the nailing process, if the independent nail nipping tool is adopted to nipp the nail, the trouble is rather obvious, the working efficiency is influenced, and if the pneumatic nailing gun with the nail nipping device can be designed, the improvement of the working efficiency is facilitated.

Chinese patent document CN209207422U discloses a pneumatic nail gun, which comprises a cylinder located in a gun body, a gun barrel connected with the gun body and a gas storage gun handle; the front end of the gun body (1) is provided with a ring groove (11) and an exhaust hole (10); the cylinder consists of a cylinder body (14), a spring sealing ring groove (12), a balance valve (5) and a piston assembly (13); the rodless cavity is communicated with the air return chamber (17), and the rod cavity is communicated with the outside; a nail nipping rod in the gun barrel (7) is connected with the piston rod, and the front end of the nail nipping rod is provided with a nail nipping claw (8); a spring top plate (6) is inserted into one notch (7-1), and the other notch (7-1) is communicated with a strip nail collecting box (9); the ring groove (11) is communicated with the gas storage gun handle (3) through the control valve (2), and the sealing ring groove (12) is communicated with the gas storage gun handle.

This prior art has the following disadvantages: because this pneumatic nail rifle that plays only possesses the nail nipping function, if adopt solitary nail nipping instrument to follow the nail nipping at the nailing in-process, just need frequently to change the instrument at the nailing in-process, troublesome poeration.

Therefore, chinese patent document CN201220104381.4 discloses a pneumatic nail pulling gun, which includes a gun body and a gun barrel, wherein the gun body has a vertical portion and a horizontal portion, a first chamber is disposed in the horizontal portion, a lower end cover is fixedly disposed at an open lower end of the vertical portion, an air cylinder is fixedly disposed in the vertical portion, an air cylinder sealing ring is disposed at an opening at a lower end of the air cylinder, a balance valve is disposed between the air cylinder sealing ring and the lower end cover, a third chamber is formed between the lower end cover and the balance valve, a fourth chamber is formed between the balance valve and a rod chamber of a piston, a first gun body air passage and a second gun body air passage communicated with the third chamber and the fourth chamber are disposed on an inner wall of the first chamber, a trigger is hinged to a lower end of the vertical portion, a switch assembly disposed opposite to the trigger is disposed on a bottom surface of the horizontal portion, the first gun body air passage and the third chamber are communicated or disconnected through the trigger control switch assembly, the balance valve is controlled to move up and down, and the second gun body air passage and the fourth chamber are further communicated or disconnected. The utility model discloses, it is quick to pull out the nail, and can not destroy ligneous surface.

This prior art has the following disadvantages: although the nail gun disclosed in this patent document has a nail puller, when the nail gun is used, if the nail head does not protrude out of the wood or the height of the protruding wood is insufficient, the nail claw cannot be engaged with the nail head to perform the nail pulling operation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a multipurpose air tool to solve prior art, when nail head did not emerge timber or emerged highly inadequately, current nail pulling gun can't carry out the problem of nail nipping operation.

The utility model provides a basic scheme is: a multipurpose pneumatic tool comprises a shell, wherein a cylinder, a first firing pin and a driving mechanism are arranged in the shell, a cylinder cover connected with the shell is arranged at the top of the cylinder, a piston is arranged in the cylinder and connected with the first firing pin, and the driving mechanism drives the piston to fire the first firing pin; one end of the shell is provided with a nail head with a gun tube hole; the shell is provided with a trigger mechanism for triggering the driving mechanism; the shell is also provided with a nail nipping structure, the nail nipping structure comprises a second firing pin, and the connecting end of the second firing pin penetrates through the cylinder cover and then is connected with the piston; the nail pulling end of the second firing pin is connected with a nail pulling claw with a U-shaped clamping groove.

In the scheme, when the first firing pin impacts the nail forward, the nail can be driven into the timber to realize the nailing function, and when the first firing pin impacts the nail backward, the nail tip part of the nail which is driven into the timber can be withdrawn from the timber to realize the nail withdrawing function; and after the sharp part of the nail is withdrawn from the wood, the gap between the sharp part of the nail and the wood is enough for the nail pulling claw to be clamped in, so that the nail on the wood can be smoothly pulled out by using the nail pulling claw, and the nail pulling function is realized. Compared with the prior art, when the rifle nailhead portion did not emerge timber or emerged highly inadequately, can make the rifle nailhead portion emerge timber enough highly through the nail function that moves back in this scheme to let the claw of pulling out nail block rifle nailhead portion smoothly, guarantee to pull out the smooth completion of nail.

Preferably, the claw is detachably connected to the claw end. In this scheme, can dismantle the convenient change of claw of pulling out of mode of connection.

Preferably, the connecting end of the claw is provided with a connecting hole, and the nail pulling end of the second firing pin is inserted into the connecting hole. In the scheme, the nail pulling claw is connected with the second firing pin through the connecting hole, so that the nail pulling claw can be quickly installed and replaced, and the structure is simple.

Preferably, the nail pulling claw is also provided with a fixing hole, and a fixing piece for fixing the nail pulling claw on the nail pulling end is arranged in the fixing hole. In this scheme, the setting of mounting can guarantee the firm connection of nail pulling claw and second firing pin.

Preferably, the housing is provided with two trigger mechanisms, the two trigger mechanisms being provided at the upper and lower ends of the housing respectively. In view of the fact that when the pneumatic tool in the scheme is used for different functions, an operator needs to trigger the first firing pin from different directions, in the scheme, after the two trigger mechanisms are arranged, the trigger of the first firing pin can be triggered by pulling any one trigger mechanism, and the operation is more convenient.

Preferably, the cylinder head upper surface is further provided with a shield, and the second striker is located in the shield. In this scheme, the setting of guard shield can play the guard action to the second firing pin.

Preferably, the claw is located outside the shield. Compare with the mode that will pull out the nail claw setting in the guard shield, in this scheme, it is more convenient to set up the nail claw of pulling out outside the guard shield and use.

The utility model discloses following beneficial effect has:

1. in the scheme, after the second firing pin is arranged, the second firing pin can be driven to move after the piston moves, the nail nipping function can be realized, and when the nail does not emerge the timber or the height of the emerging timber is insufficient, the first firing pin and the second firing pin are matched, the nail is firstly withdrawn and then the nail nipping operation can be smoothly carried out, so that the pneumatic tool in the scheme can realize three functions of nailing, nail pushing and nail nipping;

2. in this scheme, set up two trigger mechanisms after, detain arbitrary mechanism and can both realize the percussion function, more convenient operation.

Drawings

FIG. 1 is a schematic view of an embodiment of a multipurpose pneumatic tool of the present invention;

FIG. 2 is a schematic view of a nailing function;

FIG. 3 is a schematic view of the completion of nailing in FIG. 2;

FIG. 4 is a schematic view of the nail ejection function;

FIG. 5 is a schematic view of the completed staple ejection of FIG. 4;

FIG. 6 is a schematic illustration of a nail nipping function;

fig. 7 is a schematic view of the completed nail nipping of fig. 6.

Detailed Description

The following is further detailed by way of specific embodiments:

1. definition of

U-shaped clamping groove: is in a U-shaped groove structure.

And (3) forward impact: the first firing pin strikes the head of the nail gun.

And (3) reverse impact: the first striker strikes the tip of the nail gun.

2. Reference numerals in the drawings of the specification include: the device comprises a housing 1, a trigger 21, a valve rod 22, a first nail head 31, a first firing pin 32, a piston 35, a shield 36, a nail pulling claw 37, a cylinder cover 41 and a balance valve 44.

The embodiment is basically as shown in the attached figure 1: the multipurpose pneumatic tool comprises a shell 1, wherein a cylinder, a first striker 32 and a driving mechanism are arranged in the shell 1, a cylinder cover 41 connected with the shell 1 is arranged at the top of the cylinder, a piston 35 is arranged in the cylinder, the piston 35 is connected with the first striker 32, and the driving mechanism drives the piston 35 to trigger the first striker 32; one end of the shell 1 is provided with a first nail head 31 with a gun tube hole; the housing 1 is provided with a trigger 21 mechanism for triggering the drive mechanism. The drive mechanism includes a balancing valve 44.

The shell 1 is also provided with a nail nipping structure, the nail nipping structure comprises a second firing pin, and the connecting end of the second firing pin penetrates through the cylinder cover 41 and then is connected with the piston 35; the nail pulling end of the second firing pin is connected with a nail pulling claw 37 with a U-shaped clamping groove. The cylinder head 41 also has a shroud 36 and a second head to which a second striker is attached, the second striker being located within the shroud 36.

In particular, the claw 37 is detachably connected to the nail-pulling end. The connecting end of the nail pulling claw 37 is provided with a connecting hole into which the nail pulling end of the second striker is inserted. In order to ensure the stable connection between the claw 37 and the second firing pin, in this embodiment, the claw 37 is further provided with a fixing hole, and a fixing member for fixing the claw 37 to the nail-pulling end is disposed in the fixing hole, and the fixing member is a screw.

Preferably, in this embodiment, two trigger 21 mechanisms are disposed on the housing 1, the two trigger 21 mechanisms are disposed at the upper end and the lower end of the housing 1 respectively, the trigger 21 mechanisms include a trigger 21 and a valve rod 22, the valve rod 22 controls the balance valve 44, and when the trigger 21 is pulled, the balance valve 44 is triggered by the valve rod 22, so as to trigger the driving mechanism to implement the firing of the first striker 32.

The specific implementation process is as follows: as shown in FIGS. 2 and 3, in the nailing function, a single nail is loaded into the barrel hole of the first nailhead 31, the first nailhead 31 loaded with the nail is then brought into contact with the work surface, the trigger 21 is actuated, and the first striker 32 is fired to move, thereby driving the nail in the first nailhead 31 into the work surface.

When the nail is pulled out, when the gun head does not emerge from the wood or emerges from the wood with insufficient height, the gun head needs to be withdrawn from the wood firstly. In the nail withdrawing function, as shown in fig. 4 and 5, the tip of the gun nail on the working surface is sleeved into the gun tube hole of the first nail head 31, then the trigger 21 is pulled, the first firing pin 32 is fired to move, the first firing pin 32 impacts the tip of the nail so that the gun nail is withdrawn from the working surface for a section, and then the nail head is also ejected from the wood.

After the head of the gun nail emerges from the wood, the nail pulling operation is carried out again at the moment. As shown in fig. 6 and 7, in the nail pulling function, after the pneumatic tool is turned over, the U-shaped slot of the nail pulling claw 37 is clamped into the nail rod of the gun nail on the working surface, then the trigger 21 is pulled, the first firing pin 32 is triggered to move, after the first firing pin 32 moves, the second firing pin is driven to move, and the gun nail is also driven to be pulled out smoothly from the working surface by the movement of the second firing pin.

The above description is only for the embodiment of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, so that those skilled in the art can know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the capability of applying the conventional experimental means before this date, and those skilled in the art can complete and implement the schemes in combination with their own capability, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (7)

1. A multipurpose pneumatic tool comprises a shell, wherein a cylinder, a first firing pin and a driving mechanism are arranged in the shell, a cylinder cover connected with the shell is arranged at the top of the cylinder, a piston is arranged in the cylinder and connected with the first firing pin, and the driving mechanism drives the piston to fire the first firing pin; one end of the shell is provided with a nail head with a gun tube hole; a trigger mechanism for triggering the driving mechanism is arranged on the shell;

the method is characterized in that: the shell is also provided with a nail nipping structure, the nail nipping structure comprises a second firing pin, and the connecting end of the second firing pin penetrates through the cylinder cover and then is connected with the piston; the nail pulling end of the second firing pin is connected with a nail pulling claw with a U-shaped clamping groove.

2. The multi-purpose pneumatic tool of claim 1, wherein: the nail pulling claw is detachably connected with the nail pulling end.

3. The multi-purpose pneumatic tool of claim 2, wherein: the connecting end of the nail pulling claw is provided with a connecting hole, and the nail pulling end of the second firing pin is inserted into the connecting hole.

4. A multi-purpose pneumatic tool according to any one of claims 1-3, wherein: the nail pulling claw is further provided with a fixing hole, and a fixing piece for fixing the nail pulling claw on the nail pulling end is arranged in the fixing hole.

5. The multi-purpose pneumatic tool of claim 4, wherein: the shell is provided with two trigger mechanisms, and the two trigger mechanisms are arranged at the upper end and the lower end of the shell respectively.

6. The multi-purpose pneumatic tool of claim 5, wherein: the upper surface of the cylinder cover is also provided with a shield, and the second firing pin is positioned in the shield.

7. The multi-purpose pneumatic tool of claim 6, wherein: the nail pulling claw is positioned outside the shield.

Images