CN220051694U

CN220051694U - Firing pin driving mechanism and nail gun

Info

Publication number: CN220051694U
Application number: CN202320781560.XU
Authority: CN
Inventors: 邵晋; 刘昊; 方鸿濡
Original assignee: Jiangsu Dartek Technology Co Ltd
Current assignee: Jiangsu Dartek Technology Co Ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-11-21
Anticipated expiration: 2033-04-10

Abstract

The utility model discloses a firing pin driving mechanism and a nail gun, wherein the firing pin driving mechanism comprises: a gun nozzle mounting part; the firing pin is at least partially penetrated in the gun nozzle mounting part and comprises a plurality of locking teeth arranged in the gun nozzle mounting part, and each locking tooth is provided with a locking surface and a guiding surface; the locking block is linearly slidably arranged on the gun nozzle mounting part; the driving wheel is used for moving the firing pin from the locking position to the nail shooting position, and an unlocking boss for pushing the locking block to slide is arranged on the driving wheel. The stapling gun includes the foregoing striker driving mechanism. According to the utility model, the locking block is matched with the locking teeth, so that the striker can only be lifted and can not strike a nail in the process of moving from the locking position to the nail shooting position under the action of the driving wheel, accidents can be prevented, and the safety performance is improved; the nail gun has stable and reliable structure, can be used for a long time and is favorable for popularization and use.

Description

Firing pin driving mechanism and nail gun

Technical Field

The utility model belongs to the technical field of nail guns, and particularly relates to a firing pin driving mechanism and a nail gun.

Background

The nail shooting tool is a modern nail shooting fastening technology product, can shoot nails, is a fastening tool for driving the nails into a building body by using blank ammunition, fuel gas or compressed air as power, and is a necessary nail gun for woodworking, building construction and the like. The problem of jamming occurs when the nail is fired, in which case the jammed nail needs to be removed. In the process of taking the nails, the striker cannot be locked because the striker is not retracted to the safety position, and the striker can be ejected out under the action of air pressure of the air cylinder, so that safety accidents are caused.

Accordingly, in order to solve the above-described problems, it is necessary to provide a striker driving mechanism and a stapling gun.

Disclosure of Invention

In view of the above, an object of the present utility model is to provide a striker driving mechanism and a stapling gun.

In order to achieve the above object, an embodiment of the present utility model provides the following technical solution:

a striker driving mechanism, the striker driving mechanism comprising:

a gun nozzle mounting part;

the firing pin at least partially penetrates through the gun nozzle mounting part and comprises a plurality of locking teeth arranged in the gun nozzle mounting part, and the locking teeth are provided with locking surfaces and guide surfaces;

the locking block is arranged on the gun nozzle mounting part in a linear sliding manner;

the driving wheel is used for moving the firing pin from the locking position to the nail shooting position, and an unlocking boss for pushing the locking block to slide is arranged on the driving wheel.

In one embodiment, the striker driving mechanism further includes a transmission member mounted on the gun nozzle mounting portion, the lock block is driven by the transmission member, and the lock block has an unlocked state and a locked state;

in the unlocking state, the transmission piece is propped against the unlocking boss, and the locking block is unlocked with the locking teeth;

in a locking state, the transmission piece is separated from the unlocking boss, and the locking block is propped against the locking surface;

the gun nozzle mounting part is provided with a guide part for limiting the locking block.

In one embodiment, the transmission member has a waist hole, and the extending direction of the waist hole is consistent with or parallel to the sliding direction of the locking block; the gun nozzle mounting part is provided with a bulge, the bulge is arranged in the waist hole, the locking block is provided with a bulge, and the transmission part is provided with a limiting part clamped with the bulge.

In one embodiment, the transmission piece is provided with a shaft hole, the gun nozzle mounting part is provided with a pin shaft, the pin shaft is arranged in the shaft hole, the locking block is provided with a protruding part, and the transmission piece is provided with a limiting part clamped with the protruding part.

In an embodiment, the transmission member has a first abutting portion capable of abutting against the unlocking boss, the unlocking boss has a second abutting portion abutting against the first abutting portion, and the first abutting portion and/or the second abutting portion has a chamfer portion, and the chamfer portion is arc-shaped.

In one embodiment, the locking block is provided with a clamping surface matched with the locking surface, and the clamping surface can be abutted against the locking surface; and a contact surface is arranged on one side of the locking block, which is away from the clamping surface, and the distance between the contact surface and the firing pin is reduced along the direction facing the clamping surface.

In one embodiment, the striker driving mechanism further includes a reset member disposed between the lock block and the gun nozzle mounting, the reset member having a tendency to cause the lock block to slip toward the striker.

In one embodiment, the locking block is provided with a mounting groove for mounting the reset element.

In an embodiment, the striker is provided with a plurality of driving teeth arranged towards the driving wheel, the driving wheel is provided with a plurality of pins, the pins are separated from the driving teeth in the unlocking state, and the pins are abutted against the driving teeth in the locking state.

The technical scheme provided by the other embodiment of the utility model is as follows:

a nail gun, the nail gun comprising:

a housing;

the striker driving mechanism as previously described, said striker driving mechanism being mounted in said housing;

a cylinder accommodated in the housing;

the piston is connected in the cylinder in a sliding way and is connected with the firing pin;

the driving device is arranged on the shell and is connected with the driving wheel;

the power supply device is arranged in the shell and is electrically connected with the driving device.

The utility model has the following beneficial effects:

the utility model provides a firing pin driving mechanism and a nail gun, wherein a locking block is matched with a locking tooth, when the locking block is abutted against the locking tooth, a firing pin can only be lifted and can not strike a nail, so that accidents can be prevented in the process of taking out the nail, and the safety performance is improved; through the design of the transmission piece, the locking block and the locking teeth can be separated through the unlocking boss, so that the firing pin is unlocked, and the shooting nail is completed; the utility model has stable and reliable structure, smooth unlocking process, long-term use, higher practicability and contribution to popularization and use.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is a schematic perspective view of a striker driving mechanism according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a first exploded view of a striker driving mechanism according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a second exploded view of the striker driving mechanism according to an embodiment of the present utility model;

FIG. 4 is a schematic top view of a lock block and lock tooth separated according to an embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view of a lock block separated from a lock tooth according to an embodiment of the present utility model;

FIG. 6 is a schematic top view of a lock block abutting against a lock tooth according to an embodiment of the present utility model;

fig. 7 is a schematic cross-sectional view of the abutment of the lock block and the lock tooth in an embodiment of the utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on those shown in the drawings, or those conventionally put in place when the product of the application is used, or those conventionally understood by those skilled in the art, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the embodiments of the present utility model, it should be further noted that, as used herein, the terms "first," "second," and the like do not denote any order or sequence, but rather are merely used to distinguish one element or operation from another.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

The technical scheme of the utility model will be described below with reference to the accompanying drawings.

Referring to fig. 1 to 2, a striker driving mechanism according to an embodiment of the present utility model includes: a gun nozzle mounting part 1; a firing pin 2 at least partially penetrating the gun nozzle mounting part 1, wherein the firing pin 2 comprises a plurality of locking teeth 21 arranged in the gun nozzle mounting part 1, and the locking teeth 21 are provided with a locking surface 211 and a guiding surface 212; the locking block 3 is arranged on the gun nozzle mounting part 1 in a linear sliding manner; the driving wheel 4 is used for moving the firing pin 2 from the locking position to the shooting position, and an unlocking boss 41 for pushing the locking block 3 to slide is arranged on the driving wheel 4.

The gun nozzle mounting part 1 is provided with a guide part 11 for limiting the locking block 3. The guiding portion 11 in this embodiment is a guiding groove, and the locking block 3 is slidably mounted in the guiding groove 11 and limited along the slotting direction of the guiding groove 11. Preferably, the guide portion 11 in this embodiment may also be a guide block disposed along a sliding direction of the locking block 3, the locking block 3 is provided with a guide groove matched with the guide block, and the locking block 3 may also be slidably mounted on the guide portion 11 through the mutual matching of the guide groove and the guide block.

According to this design, the striker driving mechanism in this embodiment moves the striker 2 from the locking position to the shooting position through the driving wheel 4, and the striker 2 is kept in the locked state all the time in this process by the abutment of the locking block 3 with the locking surface 211 of the striker 2, wherein the locking surface 211 is a vertical surface, or an inclined surface with an inclination angle greater than 75 °, or any surface which can be brought into abutment with the locking block 3 and cannot be separated from each other, such as a convex inclined surface or a concave inclined surface. According to the design, the firing pin 2 can only be lifted and can not strike nails, accidents can be prevented in the process of taking out the nails, and the safety performance is improved.

Meanwhile, in the running process of the driving wheel 4, the unlocking boss 41 can be directly abutted against the locking block 3, the unlocking boss 41 rotates around the shaft to drive the locking block 3 to slide in the gun nozzle mounting part 1, so that the locking block 3 is separated from the locking surface 211 of the firing pin 2, and the firing pin 2 can strike nails. The unlocking boss 41 may be coaxially disposed on the driving wheel 4 and driven by the driving wheel 4, or the unlocking boss 41 is fixedly mounted on the driving wheel 4, so that the technical effect of synchronous operation of the unlocking boss 41 when the driving wheel 4 operates can be achieved, which can be understood and accepted by those skilled in the art.

In one or more embodiments, referring to fig. 4 to 7, in order to move the striker 2 from the locking position to the shooting position by the driving wheel 4, the striker 2 in this embodiment is provided with a plurality of driving teeth 22 disposed toward the driving wheel 4, and the driving wheel 4 is provided with a plurality of pins 42, in which the pins 42 are separated from the driving teeth 22 in the unlocked state, and in which the pins 42 are abutted against the driving teeth 22 in the locked state. When the driving wheel 4 rotates, the firing pin 2 can move in a direction away from the gun nozzle mounting 1 under the driving of the driving wheel 4. During the process of the pin 42 and the driving tooth 22 being matched with each other to lift the striker 2, the locking block 3 is always abutted against the locking tooth 21; until the last pin 42 cooperates with the drive tooth 22 closest to the nozzle mount 1, the unlocking boss 41 on the drive wheel 4 cooperates with the locking block 3 to unlock the striker 2 while lifting the striker 2.

In one or more embodiments, referring to fig. 5 and 7, when the striker 2 moves from the locking position to the shooting position, since the locking block 3 is provided with the engagement surface 31 that mates with the locking surface 211, the striker 2 is abutted against the locking surface 211 by the engagement surface 31 of the locking block 3, and the striker 2 is always locked and does not shoot down abruptly. Meanwhile, in order to prevent the blocking block 3 from obstructing the lifting process of the striker 2 from moving from the locking position to the shooting nail position, the locking surface 31 of the blocking block 3 is abutted against the locking surface 211 of the previous locking tooth 21 to prevent the striker 2 from moving downwards, when the striker 2 moves upwards, one side of the blocking block 3 away from the locking surface 31 is provided with a contact surface 32, the distance between the contact surface 32 and the striker 2 is reduced along the direction towards the locking surface 31, the contact surface 32 of the blocking block 3 is matched with the guide surface 212 of the striker 2, and the striker 2 can slide in the gun nozzle mounting part 1 along the direction away from the striker 2. The engaging surface 31 in this embodiment may be a vertical surface, an inclined surface with an inclination angle greater than 75 degrees, or any surface that can be abutted against the locking surface 211 and cannot be separated from each other, such as a convex inclined surface or a concave inclined surface; the contact surface 32 may be an inclined surface or an arc surface, as long as the locking block 3 is driven to retract under abutment.

In one or more embodiments, when the striker 2 moves from the locking position to the shooting position, the lock tooth 21 on the striker 2 can drive the lock block 3 to move away from the striker 2 in the gun nozzle mounting 1, so that the lock surface 31 of the lock block 3 is in contact with the lock surface 211 of the striker 2 when the striker 2 moves to the locking position, and the striker driving mechanism further includes a reset member 6, wherein the reset member 6 is disposed between the lock block 3 and the gun nozzle mounting 1, and the reset member 6 has a tendency to slide the lock block 3 toward the striker 2.

Further, in order to be able to fixedly mount the return member 6, the lock block 3 in the present embodiment is provided with a mounting groove 34 for mounting the return member 6.

In one or more embodiments, in order to enable the lock block 3 to slide by pushing the unlock boss 41 on the drive wheel 4, the striker driving mechanism in this embodiment further includes a transmission member 5, the transmission member 5 is mounted on the gun nozzle mounting portion 1, the lock block 3 is driven by the transmission member 5, and the lock block 3 has an unlocked state and a locked state; in the unlocking state, the transmission piece 5 is propped against the unlocking boss 41, and the locking block 3 is unlocked with the locking teeth 21; in the locked state, the transmission member 5 is separated from the unlocking boss 41, and the locking block 3 abuts against the locking surface 211.

It can be appreciated that the unlocking boss 41 in this embodiment is linked with the locking block 3 through the transmission member 5, and when the driving wheel 4 rotates, the unlocking boss 41 rotates around the shaft to drive the transmission member 5 to move toward the locking block 3, and the transmission member 5 forms a force on the locking block 3 in a direction away from the striker 2, so that the locking block 3 is switched between the unlocked state and the locked state. According to the design, the driving wheel 4 can indirectly drive the locking block 3 to be separated from the locking surface 211 of the firing pin 2 through the transmission piece 5, the firing pin 2 can strike against nails, and the mode has a good transmission effect, a stable structure and reliable unlocking.

In one or more embodiments, referring to fig. 3, the transmission member 5 in this embodiment is slidably mounted on the gun nozzle mounting portion 1, where the transmission member 5 has a waist hole 51, in order to prevent the unlocking boss 41 from being jammed or interfered by movement during the process of driving the locking block 3 to slide by the transmission member 5, the extending direction of the waist hole 51 needs to be consistent with or parallel to the sliding direction of the locking block 3, so that the locking block 3 and the locking surface 211 of the firing pin 2 can be separated conveniently, and the structure is stable, and the unlocking is reliable; in order to maintain the transmission effect of the transmission member 5 and the transmission effect of the locking block 3, the gun nozzle mounting part 1 is provided with a protrusion 12, the protrusion 12 is arranged in the waist hole 51, the locking block 3 is provided with a protrusion 33, and the transmission member 5 is provided with a limiting part 53 which is engaged with the protrusion 33.

It can be understood that, in the operation process of the driving wheel 4 in this embodiment, the unlocking boss 41 may abut against the driving member 5, and through the cooperation between the protrusion 12 and the waist hole 51, the driving wheel 4 drives the driving member 5 to slide along the extending direction of the waist hole 51 through the unlocking boss 41, and meanwhile, due to the protrusion 33 and the limiting portion 53 of the locking block 3 and the driving member 5, when the driving member 5 moves along the extending direction of the waist hole 51, the locking block 3 is driven by the driving member 5 to slide in the guiding portion 11 to switch between the unlocking state and the locking state. The limiting portion 53 may be a waist-shaped blind hole, a semicircular hole, a guide groove, or any other structure that can cooperate with the protruding portion 33 on the locking block 3, so long as the unlocking boss 41 is turned around the shaft to convert the locking block 3 into the sliding motion effect along the guiding portion 11, which can be understood and accepted by those skilled in the art.

In one or more embodiments, referring to fig. 3, the transmission member 5 in this embodiment is rotatably mounted on the nozzle mounting portion 1, in order to rotatably connect the transmission member 5 and the nozzle mounting portion 1, a shaft hole 52 is formed in the transmission member 5, a pin 13 is formed in the nozzle mounting portion 1, and the pin 13 is disposed in the shaft hole 52, so that the transmission member 5 can rotate around the pin 13 under the action of external force. Meanwhile, in order to maintain a good transmission effect, the locking block 3 is provided with a protruding portion 33, and the transmission member 5 is provided with a limiting portion 53 engaged with the protruding portion 33.

It can be understood that, in the operation process of the driving wheel 4 in this embodiment, the unlocking boss 41 may abut against the driving member 5, and by virtue of the design of the pin shaft 13 and the shaft hole 52, the driving member 5 may rotate around the pin shaft 13 under the driving of the unlocking boss 41 on the driving wheel 4, and by virtue of the protruding portion 33 and the limiting portion 53, the driving member 5 may drive the locking block 3 to slide in the guiding portion 11 during the rotation around the pin shaft 13. The limiting portion 53 may be a waist-shaped blind hole, a semicircular hole, a guide groove, or any other structure that can cooperate with the protruding portion 33 on the locking block 3, so long as the unlocking boss 41 is turned around the shaft to convert the locking block 3 into the sliding motion effect along the guiding portion 11, which can be understood and accepted by those skilled in the art.

Further, referring to fig. 2, in order to avoid jamming or movement interference during the process of the unlocking boss 41 driving the transmission member 5 to rotate around the pin shaft 13, the transmission member 5 in this embodiment has a first abutting portion 54 capable of abutting against the unlocking boss 41, the unlocking boss 41 has a second abutting portion 411 abutting against the first abutting portion 54, and the first abutting portion 54 and the second abutting portion 411 have chamfer portions, preferably, the chamfer portions are arc-shaped. Of course, it is understood that the chamfer may be a bevel, as long as the motion of the driving member is facilitated; accordingly, when the unlocking boss 41 rotates around the shaft to push the driving member 5 to rotate around the pin shaft 13, the movement is smooth and unobstructed, so that the movement interference between the unlocking boss 41 and the driving member 5 is avoided, and the effect of lifting the striker 2 by the driving wheel 4 is affected.

In this embodiment, only the first contact portion 54 or the second contact portion 411 may have a chamfered portion, and the chamfered portion may have an arc shape. This also improves the smoothness of movement to some extent, as will be appreciated and accepted by those skilled in the art.

In the above technical solution, one of the above technical solutions is that the unlocking boss 41 drives the driving member 5 to slide, so as to drive the locking block 3 to slide in the guiding portion 11, and the other one is that the unlocking boss 41 drives the driving member 5 to rotate around the pin shaft 13, so as to drive the locking block 3 to slide in the guiding portion 11, however, the present utility model is not limited thereto, and the unlocking boss 41 may also drive the driving member 5 to slide and rotate around the shaft, so as to achieve the technical effect that the driving member 5 drives the locking block 3 to slide in the guiding portion 11, which is understood and accepted by those skilled in the art.

The present utility model also provides a nail gun comprising: a housing; the striker driving mechanism as described above, the striker driving mechanism being mounted in the housing; a cylinder accommodated in the housing; the piston is connected in the cylinder in a sliding way and is connected with the firing pin 2; the driving device is arranged on the shell and is connected with the driving wheel 4; the power supply device is arranged in the shell and is electrically connected with the driving device.

The technical scheme shows that the utility model has the following beneficial effects:

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments in terms of embodiments, not every embodiment is provided with a separate technical solution, and this description is for clarity only, and those skilled in the art should consider the disclosure as a whole, and the technical solutions in the embodiments may be combined appropriately to form other embodiments that can be understood by those skilled in the art.

Claims

1. A striker driving mechanism, characterized by comprising:

a gun nozzle mounting part (1);

a firing pin (2) at least partially penetrating the gun nozzle mounting part (1), wherein the firing pin (2) comprises a plurality of locking teeth (21) arranged in the gun nozzle mounting part (1), and the locking teeth (21) are provided with a locking surface (211) and a guiding surface (212);

a locking block (3) which is arranged on the gun nozzle mounting part (1) in a linear sliding manner;

the driving wheel (4) is used for moving the firing pin (2) from the locking position to the shooting nail position, and an unlocking boss (41) for pushing the locking block (3) to slide is arranged on the driving wheel (4).

2. The striker driving mechanism according to claim 1, further comprising a transmission member (5), the transmission member (5) being mounted on the gun nozzle mounting (1), the lock block (3) being driven by the transmission member (5), the lock block (3) having an unlocked state and a locked state;

in the unlocking state, the transmission piece (5) is propped against the unlocking boss (41), and the locking block (3) is unlocked with the locking teeth (21);

in a locking state, the transmission piece (5) is separated from the unlocking boss (41), and the locking block (3) is abutted against the locking surface (211);

the gun nozzle mounting part (1) is provided with a guide part (11) for limiting the locking block (3).

3. Striker driving mechanism according to claim 2, characterized in that the transmission (5) has a waist hole (51), the extension direction of the waist hole (51) being identical or parallel to the slip direction of the lock block (3); the gun nozzle mounting part (1) is provided with a bulge (12), the bulge (12) is arranged in the waist hole (51), the locking block (3) is provided with a bulge (33), and the transmission part (5) is provided with a limiting part (53) clamped with the bulge (33).

4. The striker driving mechanism according to claim 2, wherein the transmission member (5) is provided with a shaft hole (52), the gun nozzle mounting portion (1) is provided with a pin shaft (13), the pin shaft (13) is disposed in the shaft hole (52), the lock block (3) is provided with a boss (33), and the transmission member (5) is provided with a limit portion (53) engaged with the boss (33).

5. The striker driving mechanism according to claim 2, wherein the transmission (5) has a first abutment portion (54) capable of abutting against the unlocking boss (41), the unlocking boss (41) has a second abutment portion (411) abutting against the first abutment portion (54), and the first abutment portion (54) and/or the second abutment portion (411) has a chamfered portion having an arc shape.

6. The striker driving mechanism according to claim 1, wherein the lock block (3) is provided with a lock surface (31) that mates with the lock surface (211), the lock surface (31) being capable of abutting against the lock surface (211); a contact surface (32) is arranged on one side of the locking block (3) facing away from the clamping surface (31), and the distance between the contact surface (32) and the firing pin (2) is reduced along the direction facing the clamping surface (31).

7. The striker driving mechanism according to claim 1, further comprising a reset member (6), the reset member (6) being provided between the lock block (3) and the gun nozzle mounting (1), the reset member (6) having a tendency to cause the lock block (3) to slip toward the striker (2).

8. Striker driving mechanism according to claim 7, wherein the lock block (3) is provided with a mounting groove (34) for mounting the reset member (6).

9. Striker driving mechanism according to claim 2, characterized in that the striker (2) is provided with a number of driving teeth (22) arranged towards the driving wheel (4), the driving wheel (4) is provided with a number of pins (42), in the unlocked state the pins (42) are separated from the driving teeth (22), in the locked state the pins (42) are in abutment with the driving teeth (22).

10. A nail gun, the nail gun comprising:

a housing;

the striker driving mechanism according to any one of claims 1 to 9, mounted in the housing;

a cylinder accommodated in the housing;

the piston is connected in the cylinder in a sliding way and is connected with the firing pin (2);

the driving device is arranged on the shell and is connected with the driving wheel (4);