CN209648623U - An easy-to-operate nail gun - Google Patents

Abstract

The utility model provides a kind of easy to operate nail gun, including casing, trigger, motor, first cylinder, second cylinder, crank, connecting rod, nailing component and send screw assembly, nailing component includes fixing seat, striker, nail seat plate and out nail cover board out, nailing component lower end is equipped with nail mouth, nail cover board is hingedly arranged with nail seat plate out out, it is followed closely on cover board out and is hinged with locking pressure handle, it locks pressure handle and is equipped with locking snap-on, nail seat plate is equipped with the locking card slot with locking snap-on cooperation out, closed and locked pressure handle can be tight by locking snap-on and locking clamp slot lock, locking snap-on and locking card slot can be detached from by opening locking pressure handle, in this way pressure handle can be locked by opening, it can will quickly go out nail cover board to dismantle with nail seat plate out, to which bail be taken out, greatly improve the operation convenience of nailing component disassembly, reduce the time of user's disassembly simultaneously, it mentions The service efficiency of nail gun has been risen, and has improved the working efficiency of user.

Description

An easy-to-operate nail gun

technical field

The utility model relates to the field of electric tools, in particular to a nail gun with convenient operation.

Background technique

A nail gun is a tool that can quickly drive nails into objects such as wood. It is very commonly used in the woodworking field, and an air nail gun is one of the more commonly used types of nail guns. Existing air nail guns generally use air pipes to connect to external compressed air sources with a certain pressure as power to drive the striker to move, that is, another set of equipment that generates high-pressure air sources, such as an air compressor, is required to cooperate. There will be a lot of inconvenience.

There is an existing nail gun that sets a large cylinder and a small cylinder in the casing, and uses the pressure difference generated by the volume difference between the large and small cylinders to perform impact nailing, which can well solve the above problems. But this kind of nailer still has certain problems, such as after the nailer works abnormally, if the nailing assembly is stuck, the staple needs to be taken out, but the existing nailing assemblies are all connected and fixed with screws or bolts , When dismounting, it is necessary to use a repair tool to complete the disassembly, which is not only inconvenient to operate, but also greatly reduces the efficiency of staple removal, which affects the overall work efficiency of the nail gun.

Utility model content

The purpose of the utility model is to provide a nail gun with convenient operation and high working efficiency.

In order to achieve the above object, the utility model adopts the following technical solutions: a nail gun with easy operation, including a casing, a trigger, a motor, a first cylinder, a second cylinder, a crank, a connecting rod, a nailing assembly and a nail feeding assembly, The second cylinder is located in the first cylinder, the first cylinder is provided with the first piston, the second cylinder is provided with the second piston, the connecting rod is connected to the first piston, and the motor is connected to the crank through the transmission mechanism and through the connecting rod. The first piston is driven to move axially in the first cylinder, and an air passage is provided between the first cylinder and the second cylinder, wherein the nailing assembly includes a fixed seat, a striker, a nail output seat plate and a nail output cover plate , the lower end of the nailing component is provided with a nail outlet, the nail outlet cover plate is hinged with the nail outlet seat plate, the nail outlet cover plate is hinged with a locking pressure handle, and the locking pressure handle is provided with a locking spring buckle, and the nail outlet seat There is a locking slot on the board that matches with the locking buckle. Close the locking handle to lock the locking buckle and the locking slot, and open the locking handle to lock the locking buckle and the locking card. Groove disengages.

Further, the nail-out cover is provided with a hinged boss of the cover, the hinged boss of the cover is provided with a hole of the hinged boss of the cover, and the locking handle is provided with hinges located on both sides of the hinged boss of the cover. Lugs, hinged lugs are provided with hinged lug holes, and the nail gun also includes a pin shaft, which passes through the hinged lug holes and the hinged boss holes of the cover plate to hinge the locking pressure handle and the nail output cover plate together.

Further, both sides of the locking handle are provided with rotating holes, and the two ends of the locking snap are inserted into the rotating holes so that the locking snap can rotate around the locking handle.

Further, the hinged boss of the cover plate is integrally formed with the nail ejecting cover plate.

Further, two bosses are provided on the nail outlet plate, and the two bosses are arranged at intervals to form interval grooves for avoiding the nail outlet cover, and there are notches on the two bosses, and the notches form the locking grooves.

Further, the two bosses are integrally formed with the nail outlet plate.

Further, the end of the nail outlet seat plate away from the nail outlet is provided with a seat plate hinged boss, the two sides of the seat plate hinged boss are provided with hinged columns, and the end of the nail outlet cover plate away from the nail outlet is provided with a cover plate Hinge hole, the hinge hole of the cover plate cooperates with the hinge column to hinge the nail output cover plate and the nail output seat plate together.

Further, the hinged post is integrally formed with the hinged boss of the seat plate, and the hinged boss of the seat plate is integrally formed with the nail output seat plate.

Further, the locking snap is formed by integrally bending a metal strip.

Further, the nail output seat plate is a metal nail output seat plate and/or the nail output cover plate is a metal nail output cover plate.

After adopting the technical scheme, the utility model has the following advantages:

1. In the utility model, the nailing assembly includes a fixing seat, a striker, a nailing seat plate and a nailing cover plate, and the lower end of the nailing assembly is provided with a nailing port, and the nailing cover plate and the nailing seat plate are hingedly set, And a locking pressure handle is hingedly arranged on the nail output cover plate, the locking pressure handle is provided with a locking snap button, and the nail output seat plate is provided with a locking card slot cooperating with the locking elastic buckle, so that the locking button can be locked in the closed lock. After the pressing handle is tightened, the locking spring buckle can be locked with the locking slot, and at the same time, after the locking pressing handle is opened, the locking snap buckle can be separated from the locking slot, that is, when a staple appears, By opening the locking handle, the nail output cover plate and the nail output seat plate can be quickly disassembled, thereby taking out the staples, which greatly improves the convenience of disassembling the nailing assembly, and at the same time reduces the time for the user to disassemble, and improves the It not only improves the efficiency of the nail gun, but also improves the work efficiency of the user.

2. There are hinged bosses on the nail-out cover, hinged boss holes on the hinged bosses, and hinged lugs on both sides of the hinged bosses on the locking handle. There are hinged lug holes on the hinged lugs, and the nail gun also includes pin shafts, so that the pin shafts pass through the hinged lug holes and the hinged boss holes of the cover plate to hinge the locking pressure handle and the nail output cover plate together to realize locking. The hinge between the tight pressing handle and the nail output cover plate makes the locking pressure handle rotate around the nail output cover plate to form a locking between the locking spring buckle and the locking slot.

3. By setting rotating holes on both sides of the locking handle, inserting the two ends of the locking snap into the rotating holes so that the locking snap can rotate around the locking handle, so that the locking snap and The cooperation between the locking slots can well fix the nail output cover plate and the nail output seat plate together, which is reliable and not easy to fall off, ensuring the reliability of the nail gun.

4. The hinged boss of the cover plate is integrally formed with the nailing cover plate, which facilitates the processing and forming of the two, and the two are integrated in one structure, which has good strength, durability and long service life.

5. There are two bosses on the nail outlet plate, and the two bosses are arranged at intervals to form a spacer groove for avoiding the nail outlet cover. There are notches on the two bosses, and the notches form the locking groove, so that it can It is very good to limit the nail output cover plate, and at the same time, there is no need to separately set the locking slot, and the slot is formed through the gap, which not only reduces the processing technology, but also can well ensure the strength of the locking slot, so as to ensure The locking reliability of the nail output cover is not easy to loosen.

6. The two bosses and the nail outlet plate are integrally formed to facilitate the processing and forming of the two, and the two are integrally structured, with good strength, durability and long service life.

7. The end of the nail outlet seat plate away from the nail outlet is provided with a seat plate hinged boss, the two sides of the seat plate hinged boss are provided with hinged columns, and the end of the nail outlet cover plate away from the nail outlet is provided with a cover hinge hole. The hinged holes of the cover plate cooperate with the hinged posts to hinge the nail output cover plate and the nail output seat plate together, so that after the nail output cover plate is removed and dropped, the nail output cover plate is still connected with the nail output seat plate, and it will not be completely Take it off, so that the nail output cover will not be lost, and after the staple is taken out, the nail output cover will be locked directly, and the normal nailing work of the nail gun can be realized, which not only makes the nail gun easy to operate, but also improves the nail. The use efficiency of the gun, thereby improving the user's work efficiency.

8. The hinged column and the hinged boss of the seat plate are integrally formed, and the hinged boss of the seat plate is integrally formed with the nail outlet plate, which is convenient for processing and forming of the three, and the three are integrated structure, which has good strength, durability and long service life.

9. The locking snap is formed by integrally bending a metal strip, which is not only convenient for processing and forming the locking snap, but also has good strength, durability and long service life.

10. The nail outlet plate is a metal nail outlet plate and/or the nail outlet cover is a metal nail outlet cover, which improves the strength of the nail outlet plate and/or the nail outlet cover, thereby improving the nail outlet The durability of the board and/or the nail-out cover is a matter of service life.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is a schematic structural view of the nail gun described in the present invention.

Fig. 2 is a sectional view of the nail gun of the present invention.

Fig. 3 is a partial structural schematic diagram of the nail gun described in the present invention.

Fig. 4 is a schematic diagram of another partial structure of the nail gun of the present invention.

Fig. 5 is a schematic structural view of the mounting seat in the nail gun of the present invention.

Fig. 6 is a schematic structural view of the guide sleeve in the nail gun of the present invention.

Fig. 7 is a schematic structural view of the lock in the nail gun of the present invention.

Fig. 8 is a structural schematic diagram of another angle of the latch in the nail gun of the present invention.

Fig. 9 is a structural schematic diagram of the guide rail in the nail gun of the present invention.

Fig. 10 is a schematic diagram of the action of the air defense ejector rod when there is no nail in the nail gun of the present invention.

FIG. 11 is an enlarged view of A in FIG. 10 .

Fig. 12 is a schematic diagram of the movement of the ejector rod for prevention and control when there are nails in the nail gun of the present invention.

FIG. 13 is an enlarged view of B in FIG. 12 .

Fig. 14 is a schematic diagram of the partial cooperation structure between the nailing assembly and the nail feeding assembly in the nail gun of the present invention.

Fig. 15 is a partial structural schematic diagram of the nail feeding assembly in the nail gun of the present invention.

Fig. 16 is a schematic structural view of the top block in the nail gun of the present invention.

Fig. 17 is a cross-sectional view of the partial cooperation between the safety ejector assembly and the nail feeding assembly in the nail gun of the present invention.

Fig. 18 is a schematic structural view of the safety ejector rod assembly in the nail gun of the present invention.

Fig. 19 is a structural schematic diagram of the nail gun in the utility model after the nail output cover plate and the nail output seat plate are disassembled.

Fig. 20 is a schematic structural view of the nail outlet cover plate and the nail outlet seat plate locked in the nail gun of the present invention.

Fig. 21 is a schematic structural view of the movable guide rail in the nail gun of the present invention after being pulled out.

Fig. 22 is a schematic structural view of the movable guide rail in the nail gun of the present invention after being pushed in.

Fig. 23 is a schematic structural view of the movable guide rail in the nail gun of the present invention.

The names of the components marked in the figure are as follows:

100, casing; 110, first casing; 120, second casing; 130, handle position;

21, trigger; 211, rotating shaft; 212, trigger elastic member; 22, motor; 23, trigger switch; 24, trigger ejector rod; 241, rotating hole; 242, card slot; 243, guiding slope; ; 251, matching part; 26, torsion spring; 27, power switch; 28, switch;

31, the first cylinder; 32, the first piston; 33, the second cylinder; 34, the second piston; 341, the piston core; 3411, the bayonet; 342, the piston sleeve; 343, the connecting sleeve;

41, crank; 42, connecting rod;

51, reducer; 52, transmission shaft; 53, cam; 531, bump;

61, fixed seat; 62, firing pin; 63, nail outlet plate; 631, extension; 632, locking slot; 633, boss; 6331, notch; 634, hinged boss of seat plate; 6341, hinged column ; 64, nail-out cover plate; 641, cover plate hinged boss; 642, cover plate hinged hole; 65, nail-out hole;

71. Guide rail plate; 711. Grab hook; 72. Movable guide rail; 721. Accommodating groove; 73. Nail sending block; 731. Pushing part; 74. Nail sending elastic member; 741. First spring; 742. Second spring; 75. Elastic top block;

81. Lock; 811. Limiting step; 812. Opening slot; 813. Pushing slope; 814. Mounting hole; 82. Elastic part of lock;

9. Unlocking ejector rod;

10. Mounting seat; 101. Mounting slot; 102. Notch; 103. Perforation; 104. Airflow hole;

11, guide rail; 111, chute; 112, port;

12. Guide sleeve; 121. Air guide hole; 122. Side opening; 123. Annular step; 124. First sealing ring;

131. Safety switch; 132. Sleeve support; 1321. Opening; 133. Movable inner tube; 134. Connecting rod; 1341. Connecting part; 1342. Fixed part; Vertical part; 13521, parallel side plates; 13522, guide groove; 1353, support part; 136, touch frame; 1361, movable part; 1362, touch part;

141, anti-aircraft ejector rod; 142, pin shaft; 143, ejector block; 1431, body; 1432, first push part; 1433, second push part; 144, limit pin; 145, prevention and control torsion spring;

15. Locking pressure handle; 151. Locking snap; 152. Hinged lug; 1521. Hinged lug hole; 153. Rotation hole;

16. Pin shaft;

17. Movable button; 171. Lock hook; 172. Button hinge hole; 173. Button elastic piece;

18, the rear seat; 181, the installation cavity; 182, the hinge hole of the rear seat;

19. Hinged shaft;

200. Battery pack.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail. It should be understood that the following "up", "down", "left", "right", "vertical", "horizontal", "inner", "outer", "vertical", "horizontal", " Words indicating orientation or positional relationship, such as "top", "bottom", are only based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device/element must have A particular orientation or construction and operation in a particular orientation should therefore not be construed as limiting the invention.

As shown in Figures 1 to 23, the utility model provides a nail gun with easy operation, including a casing 100, a trigger 21, a motor 22, a first cylinder 31, a second cylinder 33, a crank 41, a connecting rod 42, a nailing Assemblies and nail feeding components, the casing 100 is a plastic casing, which not only facilitates the processing and molding of the casing, but also ensures the insulation of the nail gun, so as to ensure the safety of the nail gun. The second air cylinder 33 is located at the first air cylinder 31. In the cylinder, the first cylinder 31 is provided with a first piston 32, the second cylinder 33 is provided with a second piston 34, the connecting rod 42 is in transmission connection with the first piston 32, the motor 22 is in transmission connection with the crank 41 through a transmission mechanism and passes through The connecting rod 42 drives the first piston 32 to move axially in the first cylinder 31, and the first piston 32 is provided with a sliding hole axially penetrating through the first piston 32 on one side off-centre, that is, the sliding hole is arranged eccentrically, and the first piston 32 is sleeved on the outside of the second cylinder 33 through the sliding hole and moves along the axial direction of the second cylinder 33. There is a flow passage between the first cylinder 31 and the second cylinder 33. The nailing assembly includes a fixed seat 61, The striker 62, the nail outlet plate 63 and the nail outlet cover plate 64, the lower end of the nailing assembly is provided with a nail outlet 65, the striker 62 is connected with the second piston 34, the first piston 32 moves to compress the gas in the first cylinder 31, The air passage transmits the compressed gas to the second cylinder 33, and the compressed gas applies enough air pressure to the second piston 34, and the second piston 34 releases and moves downward rapidly under this air pressure to make the striker 62 strike the nail , the nail feeding assembly includes a guide rail plate 71, a movable guide rail 72 cooperating with the guide rail plate 71, and a nail feeding block 73 for pushing gun nails, and a nail feeding block for resetting the nail feeding block 73 is provided between the movable guide rail 72 and the nail feeding block The elastic part 74, the nail sending elastic part 74 is specifically a spring, the elastic force of the spring is good, and a good driving force is guaranteed, and the spring is a standard part, which can be assembled and used after direct purchase without special design, and the spring is set to include the first A spring 741 and a second spring 742, the first spring 741 and the second spring 742 are arranged at intervals up and down, which further improves the driving force of the nail sending elastic member, so as to ensure the nail feeding effect of the nail feeding block.

In this embodiment, the nail gun includes a trigger switch 23, and the trigger 21 is provided with a trigger ejector rod 24 that can trigger the trigger switch 23 after the trigger 21 is pulled. The transmission mechanism includes a reducer 51 and a transmission shaft connected to the reducer 51. 52 and the cam 53 sleeved on the transmission shaft 52, a self-locking ejector rod 25 is arranged between the cam 53 and the trigger switch 23, and when the cam 53 moves to a high point, the self-locking ejector rod 25 is pushed to trigger the trigger switch 23 and the trigger ejector The rod 24 is separated from the trigger switch 23, and when the cam 53 moves to a low point, the self-locking ejector rod 25 is separated from the trigger switch 23, that is, the self-locking ejector rod pushes the trigger switch to ensure that the trigger switch is not disconnected, thereby ensuring that the motor continues to move, so as to ensure the The nailing process is not interrupted, the cam continues to move and when the cam moves to a low point, the self-locking ejector rod breaks away from the trigger switch, the trigger switch is turned off to cut off the power of the motor, and the motor stops to complete one action cycle of the nail gun. This method uses a mechanical structure to control the motor to complete a cycle of action. Compared with the existing control through position sensor detection, it is more stable and reliable, so as to ensure the reliability of nailing, that is, to ensure the work of the nail gun. reliability.

In order to ensure the reliability of triggering the trigger switch, a rotating shaft 211 can be provided on the trigger 21, a rotating hole 241 can be arranged on the triggering ejector rod 24, and the triggering ejector rod 24 can be sleeved on the rotating shaft 211 through the rotating hole 241 so that the triggering ejector rod 24 can The trigger 21 moves and can trigger the trigger switch 23. This structure is not only simple and reliable, but also works stably to ensure the reliability of triggering the trigger switch, so as to ensure the reliability of the motor operation, that is, to ensure the nailing performance of the nail gun. reliability.

In order to better ensure the reliability and stability of the trigger rod, a torsion spring 26 that enables the trigger rod 24 to deflect can also be sleeved on the rotating shaft 211. The trigger rod 24 is provided with a slot 242, and the torsion spring One end of 26 is clamped in the slot 242 of the trigger ejector rod 24, and the other end is in contact with the stopper of the trigger 21, so that the trigger ejector rod can generate a certain torque through the torsion spring, so that the trigger ejector rod can be well kept working state, that is, to maintain a good trigger position state when the trigger switch needs to be triggered, and to maintain a good release position state after the trigger switch needs to be separated, which improves the reliability and stability of the trigger ejector rod, and will not be affected by other external forces. And change.

In order to ensure the reliability of the cam to trigger the ejector rod, a bump 531 can be set on the cam 53, so that when the cam moves to the highest point, the lower end of the trigger ejector rod can be touched by the bump, so that the trigger ejector rod is deflected and separated from the trigger. switch, so that the trigger switch is disconnected to ensure the reliability of the cam to trigger the ejector rod; at the same time, the bump 531 is set to be located on the side of the cam 53 close to the reducer 51, so that the bump avoids the self-locking ejector rod, that is, When the cam rotates, the bump will not touch the self-locking ejector rod to ensure the reliability of triggering the ejector rod action, and the protrusion 531 and the cam 53 are arranged into an integrated structure, that is, integrally processed and formed, which is convenient for the protrusion and the cam. Production and processing, and the integral structure has good strength, durability and long service life.

In order to facilitate the cooperation between the trigger rod and the bump, a guide slope 243 that is convenient for the touch of the bump 531 can be provided at the lower end of the trigger rod 24, which can ensure the reliability of the triggering of the cam on the trigger rod, that is, it is easy to trigger the push rod. The lever is deflected for a good trigger or disengagement of the trigger switch.

In order to facilitate the cooperation between the self-locking ejector rod and the cam, a matching part 251 that cooperates with the cam 53 can be provided at the lower end of the self-locking ejector rod 25, and the matching part 251 is a trapezoidal shape with a small upper part and a larger lower part, which increases the self-locking function. The mating contact area between the ejector rod and the cam facilitates the cooperation between the self-locking ejector rod and the cam, and the cooperation is reliable to ensure the reliability of the action of the self-locking ejector rod.

In order to facilitate the processing and manufacture of the nail gun and improve portability, the casing 100 can be set to include a first casing 110 and a second casing 120, and the first casing 110 and the second casing 120 are provided with handle positions 130, the first casing 110 and the second casing 120 are fastened together to form the casing 100, and the two handles are fastened together at 130 to form an integral handle of the nail gun, which is convenient for the structural design and processing of the casing It is easy to assemble the components inside the casing, and the parts are closely matched, which reduces the overall size of the casing, thereby reducing the overall size of the nail gun and improving the nail gun. Portability, and there is a handle for the user to hold when in use, which is convenient for the user to operate and improves the operation efficiency.

In order to facilitate the reset after the trigger is pulled for the next pull, a trigger elastic member 212 that automatically resets the trigger 21 can be set in the casing 100, so that the trigger can automatically reset after the trigger is pulled for the next trigger. Nail, and the trigger elastic member 212 is specifically set as a spring. Because the spring has good elasticity, it can well ensure the reset of the trigger, and the spring is a standard part, which can be purchased directly without special design, which reduces the processing and production costs.

In order to ensure the nailing effect of the nail gun, a lock assembly that locks the second piston 34 at a high point can be arranged at the upper end of the first cylinder 31. The first piston 32 is provided with an unlocking push rod 9, and the unlocking push rod 9 passes through The latch is fixed to the first piston 32, and the first piston 32 moves upwards to drive the unlocking push rod 9 to move upwards, and the unlocking push rod 9 pushes the lock assembly to break away from the second piston 34, so that the second piston 34 is released, and the second piston 34 is in the The air pressure moves downward to make the striker 62 hit the gun nail. This kind of mechanical lock structure is used to realize the locking and maintaining pressure of the second piston. Compared with the existing magnetic locking method through magnetic parts, it is more reliable. And stable, the magnetic force will not be unstable or different due to the individual differences of the magnetic parts, which will cause the second piston to start nailing when the pressure is not enough, which will affect the final nailing effect, that is, the second piston is controlled by the lock assembly. The way of locking and maintaining pressure can not only ensure a good nailing effect, but also will not affect the nailing effect due to the instability of the parts itself, so as to ensure the nailing stability and nailing effect of the nail gun. The lock assembly is reliable in locking, and easy to disengage the second piston, and has a simple structure, and is also easy to produce and process.

In order to ensure the nailing effect and nailing stability, the second piston 34 can be set to include a piston core 341 and a piston sleeve 342 sleeved on the piston core 341. Port 3411, through the bayonet on the piston core and the locking assembly to complete the locking and keeping pressurization of the second piston, which not only facilitates the locking of the second piston by the locking assembly, but also facilitates the release of the second piston from the locking assembly , so as to ensure the nailing effect and nailing stability; at the same time, in order to facilitate the connection between the firing pin and the second piston, the nail gun is also provided with a connecting sleeve 343 connected to the piston core 341, the connecting sleeve 343 is inserted into the inner hole at the lower end of the piston 341 and The striker 62 and the connecting sleeve 343 are connected and fixed together by a bolt, thereby forming linkage with the second piston 34, which facilitates the connection between the striker and the second piston, and the connection is reliable and not easy to fall off.

In order to facilitate the installation of the lock assembly and to ensure the nailing effect, a mounting seat 10 can be arranged at the upper end in the first cylinder. The mounting seat 10 is disc-shaped and matched with the shape of the first piston 32. There is an installation groove 101, and the lock assembly is installed in the installation groove 101. The bottom of the installation seat 10 is provided with a gap 102 for the unlocking push rod 9 to extend into. The unlocking push rod 9 passes through the gap 102 to cooperate with the lock assembly. The installation seat and the installation groove are provided to facilitate the installation and fixation of the lock assembly, and it is also convenient for the first piston to move to a high point, and the unlocking ejector rod touches the lock assembly to ensure that the second piston can be released well, so as to ensure that the nailing does not occur. Delayed, accurate and efficient.

Moreover, the lock assembly includes a lock 81 and a lock elastic member 82 that pushes the lock 81 to reset. The lock 81 is provided with a limit step 811 that cooperates with the bayonet 3411 and an open groove 812 that communicates with the notch 102. The open groove The inner side wall of the lower end of 812 is provided with a push slope 813 that cooperates with the unlocking push rod 9, and the lock elastic member makes the lock reset to the original position again after breaking away from the second piston, and is locked again after waiting for the second piston to reset. Buckle locking, that is to prepare for the next nailing action, to ensure the continuity of the nail gun work, improve the efficiency of the nail gun, and at the same time when the lock locks the second piston, the elastic force of the lock elastic part can also The locking force of the lock to the second piston is well guaranteed, that is, the second piston will not be easily disengaged. Only when the pressure is sufficient and the unlocking push rod is touched, the second piston will be disengaged, and by setting the opening groove and Push the inclined surface so that the unlocking push rod can touch the lock catch, so as to ensure that the lock catch can be accurately disengaged from the second piston to release the second piston, so as to realize nailing; One end of the buckle elastic member 82 is installed in the installation hole 814, and the other end is in conflict with the inner wall of the mounting seat 10. By setting the installation hole, the lock elastic member can be well limited, so that the radial direction of the lock elastic member is not biased. To ensure the reliability of the lock elastic member, that is, the push of the lock elastic member to the lock is stable and reliable.

In order to facilitate the axial movement of the locking assembly, a guide rail 11 can be arranged in the mounting groove 101, and the guide rail 11 is arranged to match the shape of the mounting groove 101. The guide rail 11 is provided with a chute 111, and the locking assembly is located in the chute 111. The bottom wall of 11 is provided with the through opening 112 that communicates with breach 102, can reduce the friction between lock buckle and lock buckle elastic member and installation groove like this, can play a good role in the movement of lock buckle and lock buckle elastic member again. Good guiding effect to ensure the overall working reliability and stability of the lock assembly.

In order to ensure the stability and nailing effect of nailing, the upper end of the piston core 341 can be stretched out from the top wall of the second cylinder 33, and a guide sleeve 12 is provided between the upper end of the piston core 341 and the top wall of the second cylinder 33. , the guide sleeve 12 has a hollow cavity, the hollow cavity of the guide sleeve 12 communicates with the inner cavity of the second cylinder 33, the mounting base 10 is provided with an airflow hole 104, and the airflow hole 104 communicates with the inner cavity of the first cylinder 31, The mounting base 10 is provided with a perforation 103 for the guide sleeve 12 to pass through. The guide sleeve 12 is provided with an air guide hole 121 communicating with the air flow hole 104. The air guide hole 121 is connected to the hollow cavity of the guide sleeve 12. 121 and the hollow cavity of the guide sleeve jointly form the airflow channel to connect the first cylinder 31 with the second cylinder 32, and the upper end of the piston core 341 is inserted into the hollow of the guide sleeve 12 with the movement of the second piston 34. In the cavity, that is, when the second piston 34 is at a high point, the piston core 341 is inserted into the hollow cavity of the guide sleeve 12 along with the second piston and is resisted by the piston sleeve 342 against the inner surface of the top wall of the second cylinder 31, so that the hollow cavity The lower end of the body is closed, so that the first cylinder 31 and the second cylinder 33 are disconnected. When the second piston 34 is at a low point, the piston core 341 is separated from the hollow cavity of the guide sleeve 12 along with the second piston, and the piston sleeve 342 is no longer in conflict. On the inner surface of the top wall of the second cylinder 31, the second cylinder 33 is communicated with the first cylinder 31, the upper end of the guide sleeve 12 passes through the top wall of the mounting seat 10 and the first cylinder 31, and the upper end of the guide sleeve 12 is provided on the periphery. It has external threads and is fixed on the top wall of the first cylinder 31 through nuts. By setting the guide sleeve, the second cylinder and the mounting seat can be well fixed, and the second cylinder can be well connected with the first cylinder. , to ensure sufficient pressure on the second piston, thereby ensuring the stability and nailing effect of nailing.

In order to facilitate the locking or disengagement between the locking assembly and the bayonet on the piston core, a side opening 122 for the locking assembly to pass through to cooperate with the bayonet 3411 can be provided on the upper side wall of the guide sleeve 12, so as to facilitate the locking The buckle assembly is locked or disengaged from the bayonet on the piston core, and the connection is reliable, stable, and convenient for structural design.

In order to ensure that the impact force of the striker is sufficient, an annular step 123 that cooperates with the inner surface of the top wall of the second cylinder 33 can be provided at the lower end of the guide sleeve 12, and an annular step 123 is provided between the inner surface of the top wall of the second cylinder 33 and the annular step 123. The first sealing ring 124 has enhanced the tightness of the joint between the guide sleeve and the second cylinder to ensure that the gas will not leak, so as to ensure that the pressure on the second piston is sufficient, thereby ensuring that the impact force of the striker is sufficient, thereby ensuring Nail effect.

In order to improve the use safety of the nail gun, the nail gun can also include a safety ejector assembly arranged on one side of the fixed seat 61. The safety ejector assembly includes a safety switch 131, a sleeve bracket 132 fixed on the fixed seat 61, a movable device The movable inner tube 133 in the casing bracket 132, the connecting rod 134 connected with the movable inner tube 133 and the safety push rod 135 connected with the connecting rod 134, the upper end of the movable inner tube 133 is provided with a trigger safety switch 131 and is connected with the movable inner tube. 133 moves the trigger frame 136, so that the nail gun only presses the safety ejector rod when nailing, so that the safety switch is energized, and the trigger is pulled like this to make the motor rotate and start nailing, that is, the safety ejector rod is not pressed. , it is impossible to pull the trigger but the motor rotates, that is, the nail gun cannot be powered on, which greatly improves the safety of the nail gun when it is used; at the same time, because the distance between the nail outlet and the wooden board will affect the nailing depth, Specifically, the closer the nail outlet is to the plank, the deeper the gun nail will be driven into the plank, and the farther the nail outlet will be from the plank, the shallower the gun nail will be driven into the plank. The axial direction of the pipe 133 moves continuously, thereby the axial distance between the bottom end of the safety jack 135 and the nail outlet 65 can be adjusted. The change of this axial distance is also the change of the distance between the nail outlet and the plank. In this way, the axial distance between the bottom end of the safety push rod and the nail outlet is adjusted by adjusting the movable inner tube, that is, the distance between the nail outlet and the plank is adjusted, so that the nailing depth can be adjusted to To ensure the nailing effect, the axial distance between the bottom end of the safety jack and the nail outlet can be adjusted according to the thickness of different wood boards, so as to ensure a good nailing effect and improve the adaptability of the nail gun, that is, Boards of different thicknesses can be played.

In order to ensure the reliability and stability of the nailing depth, the connecting rod 134 can be threadedly connected with the movable inner tube 133 so that the connecting rod 134 can move along the axial direction of the movable inner tube 133, and the axial movement can be realized by means of threads , so as to realize the adjustable nailing depth, which is not only convenient to adjust, but also has good thread self-locking performance, and is not easy to change after adjustment, so as to ensure the reliability and stability of the nailing depth.

In order to facilitate the adjustment of the nailing depth, the safety ejector rod assembly also includes an adjustment nut 138, which is sleeved on the outer periphery of the movable inner tube 133, and the rotation of the adjustment nut 138 can cause axial movement between the movable inner tube 133 and the connecting rod 134 , thereby adjusting the axial distance between the bottom end of the safety jack 135 and the nail outlet 65, and then adjusting the distance between the nail outlet and the plank, and finally realizing the adjustable nailing depth, and this adjustment by rotation The nut method greatly facilitates the user's operation, greatly improves the convenience of the nail gun, and improves the user's experience and satisfaction.

In order to ensure the reliability of the safety push rod assembly touching the safety switch, the safety switch 131 can be arranged on one side of the sleeve bracket 132, the side wall of the sleeve bracket 132 is provided with an opening 1321 for the trigger frame 136 to protrude, and the trigger frame 136 It includes a movable part 1361 and a touch part 1362, the movable part 1361 is connected to the upper end of the movable inner tube 133, the actuating part 1362 extends out of the opening 1321 and cooperates with the safety switch 131, and the trigger frame 136 is pivoted in the sleeve bracket 132 along with the movable inner tube 133 This way of actuating the safety switch is not only stable and reliable, but also simple in structure and easy to produce and assemble.

In order to facilitate the resetting of the trigger frame, a touch elastic member 137 for the reset of the trigger frame 136 can be provided between the upper end of the movable part 1361 and the top end of the sleeve support 132, so that the reset of the trigger frame is convenient for the next nailing, ensuring The continuity of the work of the nail gun improves the working efficiency of the nail gun.

Due to the structural design requirements of the nail gun, the structure of some parts of the nail gun and the design of its position are easily subject to certain limitations. By making the longitudinal section of the connecting rod 134 in an "L" shape, the connecting rod and the insurance are extended. The connection distance between the ejector rods can make the design position of the safety ejector rod not be affected by other parts, and the priority is to ensure that the safety ejector rod can only trigger the safety switch when the nail gun is in normal use. The general misoperation is There will be no nailing by the nail gun, which further improves the safety of the nail gun, and at the same time well avoids movement interference between various parts to ensure the stability of the nail gun.

In order to facilitate the connection between the connecting rod and the safety ejector rod, the connecting rod 134 can be set to include a connecting part 1341 that matches with the movable inner tube 133 and a fixed part 1342 that is connected with the safety ejector rod 135, and the connecting part 1341 is arranged as Rod-shaped, which is convenient for the cooperation between the connecting part and the movable inner tube, especially the thread structure is used to make the axial movement between the connecting rod and the movable inner tube, and the fixed part 1342 is set in a plate shape, which is convenient for the connection with the safety ejector rod. The connection also reduces the difficulty of processing, and can be processed through a simple sheet metal stamping process.

In order to simplify the structure of the safety ejector and ensure the working reliability of the nail gun, the safety ejector 135 can be set to include a bent portion 1351 connected to the connecting rod 134, a vertical portion 1352 and a support portion 1353, and the vertical portion 1352 includes Two symmetrically arranged parallel side plates 13521, one of which is connected to the bending part 1351, and the support part 1353 is located at the lower end of the two parallel side plates 13521 and connects the two parallel side plates 13521 into one body. The structure is simple, easy to process and shape, and works reliably at the same time to ensure the reliability of the nail gun; at the same time, the safety ejector rod 135 is set in a plate shape as a whole, which facilitates the processing and molding of the safety ejector rod, improves the processing production efficiency, and thus improves the The overall processing efficiency of the nail gun, and specifically the metal safety ejector, ensures that the strength of the safety ejector is sufficient, thereby ensuring durability and improving service life.

In order to ensure that the safety ejector rod will not shift when pressing against the safety ejector rod, a guide groove 13522 can be formed between the two parallel side plates 13521, and the two parallel side plates 13521 are located on both sides of the protruding part 631 of the nail outlet plate 63 It is set so that when the safety ejector is pressed, it can be guaranteed that the safety ejector will not shift, so as to ensure that the linkage of the safety ejector can trigger the safety switch stably and ensure the stability of the nail gun.

In order to ensure the safety of use when the nail gun has no nails, an air-proof ejector rod 141 can be provided on the nail outlet plate 63, and a pin shaft 142 passing through the air-proof ejector rod 141 is also provided on the nail outlet seat plate 63 to prevent air-proof A top block 143 is provided between the ejector rod 141 and the nail-feeding elastic member 74, so that when there is no gun nail in the nail-feeding assembly, the nail-feeding elastic member 74 can push the ejector block 143, and the ejector block 143 then pushes the anti-aircraft ejector rod 141 To limit the axial position of the safety ejector rod 135, thereby preventing the safety ejector rod 135 from triggering the safety switch 131, that is, the nail gun cannot complete the nailing work, so as to ensure the safety of use when the nail gun has no nails.

In order to ensure the operational reliability and stability of the anti-aircraft ejector rod, the pin shaft 142 can be provided with a prevention and control torsion spring 145 that keeps the air defense ejector rod 141 in the action position, so that the anti-aircraft ejector rod can work well after the action of the anti-aircraft ejector rod. The controlled and controlled torsion spring maintains the state after the action to prevent the air defense ejector rod from resetting to the state before the action, thereby ensuring the reliability and stability of the air defense ejector rod.

In order to ensure the stability of the nail feeding, the movable guide rail 72 can be provided with a receiving groove 721 for installing the nail feeding elastic member 74. Since the nail feeding elastic member 74 specifically includes a first spring 741 and a second spring 742, correspondingly, the receiving groove 721 is also provided with two corresponding to the first spring 741 and the second spring 742. The front end of the nail sending elastic member 74 is provided with an elastic member top block 75, and the elastic member top block 75 is located in the receiving groove 721. By sending the nail The elastic part is installed in the accommodation groove, and the elastic part for sending nails is pressed tightly in the accommodating chamber through the top block of the elastic part, so that the elastic part for sending nails can always maintain the compression elastic force, so that the elastic part for sending nails can always press the elastic parts for sending nails The nail feeding block presses the gun nail to transport the gun nail, which can well ensure that the pushing direction of the nail feeding elastic part does not deviate, thereby ensuring the stability of the nail feeding; at the same time, when there is no gun nail, the nail feeding The elastic piece 74 pushes the jacking block 143 through the elastic piece jacking block 75 so that the anti-aircraft jacking rod 141 will limit the axial position of the safety jacking pin 135, thereby preventing the insurance jacking pin 135 from expanding and contracting and triggering the safety switch 131, and the elastic jacking block 75 Cooperate and contact with the top block 143, and its matching contact area is large, which can better push the top block to ensure that the propulsion force of the top block to the air defense ejector pin is sufficient, thereby ensuring the axis of the air defense ejector pin to the safety ejector pin. Reliable to the limit.

In order to ensure the reliability and stability of the jacking block pushing the anti-aircraft jacking rod, the jacking block 143 can be movably arranged in the accommodation groove 721 and positioned at the front end of the elastic piece jacking block 75, and the jacking block 143 can be set at the front end of the accommodation groove 721. The spacer pin 144 of spacing can well be spaced by the jack block so that it prevents the jack block from coming out, so as to ensure the reliability and stability of the jack block to promote the anti-aircraft ejector rod.

In order to ensure the working effect of the jacking block, the jacking block 143 can be set to include a main body 1431 and a first pushing part 1432 and a second pushing part 1433 which are arranged at both ends of the main body 1431 and are staggered. The rod 141 cooperates, and the second pushing part 1433 cooperates with the elastic member top block 75, so that the cross section of the top block 143 is stepped, so that the first pushing part and the second pushing part can not only work independently without interfering with each other, but also It can well form a limit and fix the top block.

In order to facilitate the structure and position layout of the safety ejector rod and the safety switch, a trigger assembly can be provided between the safety ejector rod 135 and the safety switch 131. The safety ejector rod 135 touches the safety switch 131 through the trigger assembly. The sleeve pipe support 132 on the fixed seat 61, the movable inner tube 133 that is located in the sleeve pipe support 132, the connecting rod 134 connected with the movable inner pipe 133, the safety ejector rod 135 is connected with the connecting rod 134, by setting the trigger assembly, The triggering distance between the safety ejector rod and the safety switch is extended, so as to facilitate the structure and position layout of the safety ejector rod and the safety switch, and the design limitations are smaller.

In order to facilitate the removal of the nail outlet plate and the nail outlet cover plate after the nail is clamped, the nail outlet cover plate 64 and the nail outlet seat plate 63 can be hingedly arranged, and a locking pressure handle 15 is hingedly arranged on the nail outlet cover plate 64 to lock Tightening handle 15 is provided with locking buckle 151, and nail outlet plate 63 is provided with locking groove 632 that cooperates with locking buckle 151, after closing and locking pressing handle like this, can lock buckle It is locked with the locking slot, and at the same time, after opening the locking handle, the locking buckle can be separated from the locking slot, that is, when a staple occurs, the locking handle can be opened to quickly remove the The nail output cover plate is disassembled from the nail output seat plate, so that the staples can be taken out, which greatly improves the convenience of disassembling the nailing assembly, reduces the time for the user to disassemble, improves the use efficiency of the nail gun, and improves the user experience. work efficiency.

In order to facilitate the hinged setting between the locking handle and the nail output cover plate, a cover plate hinged boss 641 can be set on the nail output cover plate 64, and the cover plate hinged boss 641 is provided with a cover plate hinged boss hole. The pressing handle 15 is provided with hinged lugs 152 positioned at both sides of the hinged boss 641 of the cover plate. The hinged lugs 152 are provided with hinged lug holes 1521. The nail gun also includes pins 16, so that the pins pass through the hinged lug holes. Hinge the boss hole with the cover plate to hinge the locking pressure handle and the nail output cover plate together, so as to realize the hinge between the locking pressure handle and the nail output cover plate, so that the locking pressure handle can rotate around the nail output cover plate In order to form the locking between the locking spring buckle and the locking slot; at the same time, the hinged boss 641 of the cover plate and the nail output cover plate 64 are integrally formed, which is convenient for processing and forming of the two, and the two are integrally structured, and the strength is high. Good, durable and long lifespan.

Moreover, both sides of the locking handle 15 are provided with rotating holes 153, and the two ends of the locking snap 151 are inserted into the rotating holes 153 so that the locking snap 151 can rotate around the locking pressing handle 15, so that the locking The cooperation between the elastic buckle and the locking slot can well fix the nail output cover plate and the nail output seat plate together, which is reliable and not easy to fall off, ensuring the reliability of the nail gun.

In order to facilitate the processing and molding of the locking groove, two bosses 633 can be provided on the nail outlet plate 63, and the two bosses 633 are arranged at intervals to form an interval groove for avoiding the nail outlet cover plate 64. There is a notch 6331, and the notch 6331 forms the locking slot 632, which can well limit the nail output cover plate, and at the same time, there is no need to separately set the locking slot. The locking slot is formed by the notch, which reduces the The processing technology can well ensure the strength of the locking groove, so as to ensure the reliability of the locking of the nailing cover plate, and it is not easy to loosen; at the same time, the two bosses 633 and the nailing seat plate 63 are integrally formed, which is convenient for both. The former is processed and formed, and the two are integrated in one structure, with good strength, durability and long service life.

In order to facilitate the hinged setting of the nail outlet seat plate and the nail outlet cover plate, a seat plate hinged boss 634 can be provided on the end of the nail outlet seat plate 63 away from the nail outlet 65, and hinged bosses 634 can be provided on both sides of the seat plate hinged boss 634. Column 6341, nail output cover plate 64 is provided with cover plate hinge hole 642 on one end away from nail outlet 65, cover plate hinge hole 642 cooperates with hinge column 6341 to hinge the nail output cover plate 64 and nail output seat plate 63 together, In this way, after the nail-out cover is disassembled, the nail-out cover is still connected with the nail-out seat plate and will not be completely taken off, so that the nail-out cover will not be lost. The nail cover plate is locked, and the normal nailing work of the nail gun can be realized, which not only makes the nail gun easy to operate, but also improves the use efficiency of the nail gun, thereby improving the work efficiency of the user; at the same time, the hinged column 6341 is hinged with the seat plate The platform 634 is integrally formed, and the hinged boss 634 of the seat plate is integrally formed with the nail-exiting seat plate 63, which facilitates the processing and molding of the three, and the three are integrally structured, with good strength, durability and long service life.

In order to facilitate the processing and molding of the locking snap, the locking snap 151 can be set to be formed by integrally bending a metal strip, which not only facilitates the processing and molding of the locking snap, but also has good strength, durability and long service life. long.

In order to improve the durability of the nail outlet plate and the nail output cover plate, the nail output base plate 63 can be set as a metal nail output seat plate, and the nail output cover plate 64 can be set as a metal nail output cover plate, which greatly improves the nail output. The strength of the seat plate and the nail output cover, thereby improving the durability and service life of the nail output seat plate and the nail output cover.

In order to ensure stable and reliable delivery of nails, a movable button 17 can be set on the movable guide rail 72. The movable button 17 is provided with a locking hook 171, and the guide rail plate 71 is provided with a grab 711 matched with the locking hook 171. Pressing the movable button 17 can Make the locking hook 171 and the snap hook 711 disengage, after the gun nail is installed on the guide rail plate, the movable guide rail is fastened, and the movable guide rail and the guide rail plate are locked together by the cooperation of the locking hook and the grab hook, thereby ensuring Nail feeding is stable and reliable.

In order to facilitate the pressing operation of the movable button, a rear seat 18 can be provided at the rear end of the movable guide rail 72, and the rear seat 18 is provided with a mounting cavity 181, and the movable button 17 is hinged in the mounting cavity 181, so that the movable button can be partially or completely Hidden in the installation cavity of the rear seat, it improves the overall appearance of the nail gun, and at the same time facilitates the pressing operation of the movable button.

In order to facilitate the hinged setting between the movable button and the rear seat, a button hinged hole 172 can be set at the junction of the movable button 17 and the lock hook 171, and the side wall of the installation cavity 181 is provided with a hinged hole 182 for the rear seat, and also includes a hinged shaft 19 In this way, the hinge shaft passes through the hinge hole of the rear seat and the hinge hole of the button to hinge the movable button and the rear seat together, so that the movable button can rotate around the hinge axis, thereby realizing the locking or disengagement between the lock hook and the hook, which is convenient User operation, improve user convenience.

In order to make it easier and more reliable to lock when pressing the movable button, the rear end of the movable button 17 can also be provided with a button elastic member 173 for resetting the movable button 17. When pressing, it is labor-saving and easy to press, and can ensure the reliability of locking the two when the lock hook and the hook are locked, and is not easy to loosen, and the lock hook 171 and the movable button 17 are integrally formed, and the hook 711 and the guide rail plate 71 The integral molding improves the strength of the lock hook and the hook, and improves the durability and service life of the lock hook and the hook.

In order to better improve the operation convenience of the nail gun, a battery pack 200 can be provided at the rear end of the casing 100 and near the handle position 130. The nail gun completes the nailing work, so that the nail gun does not need to be bound by the power cord when using it, and the nail gun can be used more conveniently, and it can also be used for outdoor operations, which greatly improves the convenience of the nail gun.

In order to further enhance the safety of the nail gun in use, the nail gun can also be provided with a power switch 27, and the power switch 27 is a main circuit switch, and the power switch 27 is arranged on the top of the trigger 21. After the trigger 21 is pulled, the power switch 27 Connected, so that the entire loop of the nail gun is connected, so that the nail gun can work normally only after the power switch 27 is closed, which can ensure the safety of the nail gun.

In order to further enhance the convenience of use of the nail gun, the nail gun can also be provided with a MCU and a switch 28 that can freely switch the single or continuous mode of the nail gun. Freely switch between nailing to achieve different work requirements, thereby improving the working efficiency of the nail gun; specifically, when the switch 28 is switched to the continuous nailing mode, hold the trigger 21 without releasing it, and constantly press the safety ejector rod 135 to trigger the safety switch 131, the continuous nailing of the nail gun can be realized; when the switch 28 is switched to the single mode, hold the trigger 21 and press the safety push rod 135 to trigger the safety switch 131 to perform a nailing work , even if the trigger is held and pressed against the safety ejector rod 135 again, the nail gun will only complete one nailing, and if it needs to be nailed again, it can only be nailed again by pulling the trigger 21 for the second time.

In order to ensure the reliability of the triggering of each switch, the trigger switch 23, the power switch 27, the switch 28 and the safety switch 131 can all be set as micro switches, which is convenient for the cooperation and structural design of the micro switches and the mechanical structure, and the micro switches The reliability of triggering with the mechanical structure is high, so as to ensure the reliability and stability of each action. At the same time, the micro switch is a commonly used electronic component, which does not need special design, and can be directly purchased and applied, which reduces the production cost of each switch.

It can be understood that the unlocking push rod can also be fixed on the first piston by screws, interference, clamping, riveting, pasting, injection molding or welding.

It can be understood that the elastic part of the trigger can also be a shrapnel or an elastic block, so that the reset of the trigger can also be well realized.

It can be understood that a hinge plate can also be fixedly arranged on the upper end of the nail output seat plate, and the nail output cover plate is hinged with the hinge plate, that is, the nail output seat plate includes a detachable hinge plate.

It can be understood that only the nail outlet plate may be a metal nail outlet plate; or, only the nail outlet cover plate may be a metal nail outlet cover plate.

It can be understood that only the lock hook and the movable button can be integrally formed; or, only the hook and the guide rail plate can be integrally formed.

Understandably, the nail gun can also be powered by a power cord.

In addition to the above-mentioned preferred embodiment, the utility model also has other implementation modes, those skilled in the art can make various changes and deformations according to the utility model, as long as they do not depart from the spirit of the utility model, all should belong to the appended rights of the utility model The scope defined by the requirement.

Claims (10)

1. A nail gun with easy operation, comprising a casing, a trigger, a motor, a first cylinder, a second cylinder, a crank, a connecting rod, a nailing assembly and a nail feeding assembly, the second cylinder is located in the first cylinder, the first The first piston is arranged in the cylinder, the second piston is arranged in the second cylinder, the connecting rod is connected with the first piston, the motor is connected with the crank through the transmission mechanism and drives the first piston through the connecting rod to move axially in the first cylinder. Movement, a flow passage is provided between the first cylinder and the second cylinder, and it is characterized in that the nailing assembly includes a fixed seat, a striker, a nail outlet plate and a nail outlet cover, and a nail outlet is provided at the lower end of the nailing assembly. The nail output cover plate and the nail output seat plate are hingedly set, the nail output cover plate is hinged with a locking pressure handle, the locking pressure handle is provided with a locking spring buckle, and the nail output seat plate is provided with a locking spring buckle With the matched locking slot, closing the locking handle can lock the locking spring buckle with the locking slot, and opening the locking pressing handle can disengage the locking spring buckle from the locking slot. 2. The nail gun according to claim 1, wherein the nail output cover plate is provided with a hinged boss of the cover plate, and a hole of the hinged boss of the cover plate is provided on the hinged boss of the cover plate, and the pressing handle is locked. There are hinged lugs on both sides of the hinged boss of the cover plate, and hinged lug holes are arranged on the hinged lugs. The nail gun also includes a pin shaft, which passes through the hinged lug holes and the hinged boss holes of the cover plate to lock the lock The pressing handle is hinged with the nail output cover plate. 3. The nail gun according to claim 2, characterized in that, both sides of the locking handle are provided with rotating holes, and the two ends of the locking buckle are inserted into the rotating holes so that the locking buckle can be wound around Turn the locking handle. 4. The nail gun according to claim 2, wherein the hinged boss of the cover plate is integrally formed with the nail output cover plate. 5. The nail gun according to claim 1, wherein two bosses are arranged on the nail outlet plate, and the two bosses are arranged at intervals to form interval grooves for avoiding the nail outlet cover plate, and the two bosses are arranged at intervals. A notch is provided, and the notch forms the locking slot. 6 . The nail gun according to claim 5 , wherein the two bosses are integrally formed with the nail outlet plate. 7 . 7. The nail gun according to claim 1, characterized in that, the end of the nail output seat plate away from the nail outlet is provided with a seat plate hinged boss, and the two sides of the seat plate hinged boss are provided with hinged columns, The nail cover plate is provided with a cover plate hinge hole on one end away from the nail outlet, and the cover plate hinge hole cooperates with the hinge column to hinge the nail output cover plate and the nail output seat plate together. 8 . The nail gun according to claim 7 , wherein the hinged post is integrally formed with the hinged boss of the seat plate, and the hinged boss of the seat plate is integrally formed with the nail output seat plate. 9. The nail gun according to claim 1, wherein the locking snap is formed by bending a metal strip integrally. 10. The nail gun according to claim 1, wherein the nail outlet plate is a metal nail outlet plate and/or the nail outlet cover is a metal nail outlet cover.