CN213411873U

CN213411873U - Power adjusting mechanism of electric straight nail gun

Info

Publication number: CN213411873U
Application number: CN202021748710.XU
Authority: CN
Inventors: 邹小兵; 邹小波
Original assignee: Ningbo Bosik Hardware Tools Co ltd
Current assignee: Ningbo Bosik Hardware Tools Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-06-11
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses an electric straight nail gun power size adjusting mechanism, which comprises a shell, wherein the outer wall of the shell is provided with a power line, a power switch and a trigger button in a penetrating way, the inside of the shell is provided with an electrodeless potentiometer, a travel switch and an electromagnetic coil, a first knob is fixedly connected after a rotating shaft of the electrodeless potentiometer penetrates through the inner wall of the shell, the outer wall of the trigger button is abutted against the travel switch, and the inside of the shell and the electromagnetic coil are coaxially provided with a guide rod; the utility model discloses an electrodeless potentiometre of establishing ties in solenoid's operating circuit, at the in-process that uses electronic straight nail rifle, the accessible rotates the electric current size that first knob changes among the operating circuit to control solenoid's magnetic strength plays the purpose of adjusting the magnetic conduction piece atress size, with the power of control electronic straight nail rifle, avoids when thinner panel surface operation, and the nail punctures flying out behind the panel, has guaranteed the operation quality, has improved the security.

Description

Power adjusting mechanism of electric straight nail gun

Technical Field

The utility model relates to an electric straight nail gun, in particular to a power size adjusting mechanism of the electric straight nail gun.

Background

The electric nail gun is an electric nail gun, an accelerating coil is arranged in a shell of the electric nail gun, a hammer punching rail is arranged in the accelerating coil, a hammer punching body can move in the hammer punching rail, the hammer punching body is made of a magnetic conductive material, a firing pin is arranged at the front end of the hammer punching body, and a control switch controls the electric nail gun to work. The punching hammer body is provided with at least two rows of rollers with the outer contour higher than the outer surface of the punching hammer, and the rollers can rotate around pin shafts of the rollers. When the outer edge of the roller contacts with the impact hammer rail outside the impact hammer body, the force arm of the friction force between the impact hammer rail and the roller is obviously larger than the force arm of the friction force borne by the roller pin shaft, so that the roller can flexibly rotate around the pin shaft, the friction of the impact hammer in the motion process is effectively reduced, the heat generation of the electric nail gun is reduced, the service life of the nail gun is prolonged, and the electric nail gun is compared with a traditional pneumatic gun and has the advantages of light weight, low noise, low energy consumption, convenience in use, low price and the like.

However, the power of the existing electric straight nail gun is inconvenient to adjust, so that when the nail gun works on the surface of a thin plate, the nail is easy to puncture the plate and then fly out, the working quality is affected, and meanwhile, certain dangerousness exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic straight nail rifle power size adjustment mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the power adjusting mechanism of the electric nail gun comprises a shell, wherein the outer wall of the shell is provided with a power wire, a power switch and a trigger button in a penetrating way, a non-polar potentiometer, a travel switch and an electromagnetic coil are arranged in the shell, a rotating shaft of the non-polar potentiometer penetrates through the inner wall of the shell and then is fixedly connected with a first knob, the outer wall of the trigger button is pressed against the travel switch, the inner part of the shell and the electromagnetic coil are coaxially provided with a guide rod, the inner wall of the electromagnetic coil is connected with a magnetic conduction block in a sliding way, the outer wall of one side of the magnetic conduction block is fixedly connected with a firing pin, the outer wall of the other side of the magnetic conduction block is fixedly connected with a sleeve, the sleeve is movably sleeved at the outer wall of the guide rod, the outer wall activity of guide bar has cup jointed the movable block, the lateral wall fixedly connected with extension spring of movable block, the one end of extension spring and the lateral wall fixed connection of magnetic conduction piece.

As a further aspect of the present invention: the inside fixedly connected with guide way of casing, the outer wall of movable block and the inner wall sliding connection of guide way, the outer wall of guide bar is provided with external screw thread portion, external screw thread portion passes through the screw thread and is connected with the movable block cooperation, fixedly connected with second knob behind the inner wall of casing is run through to the one end of external screw thread portion.

As a further aspect of the present invention: the power switch, the electrodeless potentiometer, the travel switch and the electromagnetic coil are connected in series through a lead.

As a further aspect of the present invention: the inner wall fixedly connected with spacing ring of casing, the outer wall fixedly connected with rubber circle of spacing ring.

As a further aspect of the present invention: the rubber ring is positioned between the limiting ring and the magnetic conduction block, and the side wall of the rubber ring is abutted to the side wall of the magnetic conduction block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an electrodeless potentiometre of establishing ties in solenoid's operating circuit, at the in-process that uses electronic straight nail rifle, the accessible rotates the electric current size that first knob changes in the operating circuit to control solenoid's magnetic strength plays the purpose of adjusting the magnetic conduction piece atress size, with the power of control electronic straight nail rifle, avoids when thinner panel surface operation, and the nail punctures flying out behind the panel, when having guaranteed operation quality, has improved the security.

2. The utility model discloses a set up second knob, the guide bar, external screw thread portion etc. and drive the guide bar through the second knob and rotate, usable external screw thread portion and the screw-thread fit of movable block, the drive movable block removes in the guide way to adjust the spacing distance between movable block and the magnetic conduction piece, thereby change the initial tensile length of extension spring, through the change of the initial tensile length of extension spring, adjust the extension spring pulling force size that the magnetic conduction piece during operation need overcome, with the power of the electronic straight nail rifle of control.

3. The utility model discloses a set up spacing ring, rubber circle etc. and accomplish once arousing when the magnetic conduction piece drives the firing pin to when reseing under the drive of extension spring, the accessible rubber circle reduces the impact force that the magnetic conduction piece received, thereby improves the life of straight nail rifle.

Drawings

Fig. 1 is a schematic structural diagram of a power magnitude adjusting mechanism of an electric nail gun.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is an enlarged view at B in fig. 1.

The device comprises a shell 1, a power cord 2, a power switch 3, a non-polar potentiometer 4, a first knob 5, a trigger button 6, a travel switch 7, an electromagnetic coil 8, a magnetic conduction block 9, a striker 10, a guide rod 11, a second knob 12, an external thread part 13, a guide groove 14, a movable block 15, a tension spring 16, a sleeve 17, a limiting ring 18 and a rubber ring 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, an electric power adjusting mechanism for a straight nail gun includes a housing 1, a power cord 2, a power switch 3, and a trigger button 6 are disposed on an outer wall of the housing 1, a stepless potentiometer 4, a travel switch 7, and an electromagnetic coil 8 are disposed inside the housing 1, a specific model of the stepless potentiometer 4 is a TOPVR357 sold by shenzhen kojiidde electronic technology limited, a rotating shaft of the stepless potentiometer 4 penetrates through an inner wall of the housing 1 and is fixedly connected with a first knob 5, an outer wall of the trigger button 6 abuts against the travel switch 7, a guide rod 11 is disposed inside the housing 1 and coaxially with the electromagnetic coil 8, an inner wall of the electromagnetic coil 8 is slidably connected with a magnetic conduction block 9, a firing pin 10 is fixedly connected to an outer wall of one side of the magnetic conduction block 9, a sleeve 17 is fixedly connected to an outer wall of the other side of the, the outer wall department in guide bar 11 is cup jointed in the sleeve pipe 17 activity, the movable block 15 has been cup jointed in the outer wall activity of guide bar 11, the lateral wall fixedly connected with extension spring 16 of movable block 15, the one end of extension spring 16 and the lateral wall fixed connection of magnetic conduction piece 9.

The inside fixedly connected with guide way 14 of casing 1, the outer wall of movable block 15 and the inner wall sliding connection of guide way 14, the outer wall of guide bar 11 is provided with external screw thread portion 13, external screw thread portion 13 passes through the screw thread and is connected with the cooperation of movable block 15, fixedly connected with second knob 12 behind the inner wall that casing 1 was run through to the one end of external screw thread portion 13.

The power switch 3, the electrodeless potentiometer 4, the travel switch 7 and the electromagnetic coil 8 are connected in series through a lead.

The inner wall of the shell 1 is fixedly connected with a limiting ring 18, and the outer wall of the limiting ring 18 is fixedly connected with a rubber ring 19.

The rubber ring 19 is positioned between the limiting ring 18 and the magnetic conduction block 9, and the side wall of the rubber ring 19 is abutted against the side wall of the magnetic conduction block 9.

The utility model discloses a theory of operation is:

the utility model discloses an electrodeless potentiometre 4 of establishing ties in solenoid 8's working circuit, at the in-process that uses electronic straight nail rifle, the accessible rotates the electric current size that first knob 5 changes in the working circuit to control solenoid 8's magnetic strength plays the purpose of adjusting the magnetic conduction piece 9 atress size, with the power of controlling electronic straight nail rifle.

And simultaneously, the utility model discloses a set up second knob 12, guide bar 11, external screw thread portion 13 etc, drive guide bar 11 through second knob 12 and rotate, usable external screw thread portion 13 and the screw-thread fit of movable block 15, drive movable block 15 removes in guide way 14, with the spacing distance between regulation movable block 15 and the magnetic conduction piece 9, thereby change the initial stretching length of extension spring 16, through the change of 16 initial stretching lengths of extension spring, adjust the 16 pulling force sizes of extension spring that the magnetic conduction piece 9 during operation need overcome, with the power of the electronic straight nail rifle of control.

The utility model discloses a set up spacing ring 18, rubber ring 19 etc. and accomplish once arousing when magnetic conduction piece 9 drives firing pin 10 to when reseing under the drive of extension spring 16, accessible rubber ring 19 reduces the impact force that magnetic conduction piece 9 received, thereby improves the life of straight nail rifle.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Electronic straight nail rifle power size adjustment mechanism, including casing (1), its characterized in that: the outer wall of the shell (1) is provided with a power line (2), a power switch (3) and a trigger button (6) in a penetrating manner, the inside of the shell (1) is provided with a stepless potentiometer (4), a travel switch (7) and an electromagnetic coil (8), a rotating shaft of the stepless potentiometer (4) penetrates through the inner wall of the shell (1) and then is fixedly connected with a first knob (5), the outer wall of the trigger button (6) is abutted against the travel switch (7), the inside of the shell (1) and the electromagnetic coil (8) are coaxially provided with a guide rod (11), the inner wall of the electromagnetic coil (8) is connected with a magnetic conduction block (9) in a sliding manner, the outer wall of one side of the magnetic conduction block (9) is fixedly connected with a firing pin (10), the outer wall of the other side of the magnetic conduction block (9) is fixedly connected with a sleeve (17), and the sleeve (, the outer wall activity of guide bar (11) has cup jointed movable block (15), the lateral wall fixedly connected with extension spring (16) of movable block (15), the lateral wall fixed connection of the one end of extension spring (16) and magnetic conduction piece (9).

2. The power size adjustment mechanism for an electric power nailer of claim 1 wherein: the inside fixedly connected with guide way (14) of casing (1), the outer wall of movable block (15) and the inner wall sliding connection of guide way (14), the outer wall of guide bar (11) is provided with external screw thread portion (13), external screw thread portion (13) are connected through screw and movable block (15) cooperation, fixedly connected with second knob (12) behind the inner wall of casing (1) is run through to the one end of external screw thread portion (13).

3. The power size adjustment mechanism for an electric power nailer of claim 1 wherein: the power switch (3), the electrodeless potentiometer (4), the travel switch (7) and the electromagnetic coil (8) are connected in series through a lead.

4. The power size adjustment mechanism for an electric power nailer of claim 1 wherein: the inner wall of the shell (1) is fixedly connected with a limiting ring (18), and the outer wall of the limiting ring (18) is fixedly connected with a rubber ring (19).

5. The power size adjustment mechanism for an electric nailer of claim 4 wherein: the rubber ring (19) is positioned between the limiting ring (18) and the magnetic conduction block (9), and the side wall of the rubber ring (19) is abutted to the side wall of the magnetic conduction block (9).