CN215701434U - Locking device capable of adjusting nailing force of electric nail gun - Google Patents
Locking device capable of adjusting nailing force of electric nail gun Download PDFInfo
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- CN215701434U CN215701434U CN202121977183.4U CN202121977183U CN215701434U CN 215701434 U CN215701434 U CN 215701434U CN 202121977183 U CN202121977183 U CN 202121977183U CN 215701434 U CN215701434 U CN 215701434U
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Abstract
The utility model provides a locking device of adjustable electronic nail rifle nailing dynamics, includes the headstock, locate the driving motor in the headstock and locate last cylinder, lower cylinder on the headstock right side, lower cylinder is located under the cylinder, driving motor is connected with the linking arm through reduction gears, the linking arm tip is equipped with the eccentric shaft, be equipped with down the piston in the lower cylinder, be equipped with rather than articulated piston arm down on the piston, the piston arm is connected on the eccentric shaft, be equipped with the piston in the last cylinder, it is equipped with the firing pin to go up piston left side lateral wall center, the firing pin left end is worn out the cylinder, it is equipped with a fixed part that is located the headstock top to go up the cylinder left side. The locking device capable of adjusting the nailing force of the electric nail gun not only can play a role in locking the striker, but also can effectively avoid the situation that the locking block continuously collides with the inner wall of the bayonet in the locking process to cause abrasion, and can further adjust the nailing force according to actual requirements.
Description
Technical Field
The utility model relates to a locking device capable of adjusting nailing force of an electric nail gun.
Background
When the electric nail gun is used, nails in the nailing channel are ejected out of a gun nozzle of the electric nail gun through the firing pin to finish nailing action, when the electric nail gun is not used, the firing pin can be locked through the locking block of the locking device, if the electric nail gun is used again, the locking device needs to be actively opened, the firing pin can move freely, the unlocking mode is very troublesome, the nailing efficiency is seriously influenced, the traditional locking device presses the locking block in the bayonet of the firing pin through the elastic force of the spring, the locking mode causes the pressure applied to the bayonet of the firing pin by the locking block to be extremely large, and in the continuous unlocking and locking processes, the locking block can continuously collide with the bayonet, so that the surfaces of the locking block and the bayonet are abraded, the accuracy of the position of the firing pin in locking is influenced, and the nailing quality is influenced.
The electric nail gun is in the actual nailing in-process, when meeting with different positions or different article, often also can be different to the requirement of the dynamics of nailing, and the nailing dynamics then is decided by the driving motor of electric nail gun, can only form a fixed unchangeable nailing dynamics, can't adjust the nailing dynamics, if will change the nailing dynamics, can only change whole driving motor, and not only change very troublesome, and the replacement cost is high.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a locking device capable of adjusting the nailing force of an electric nail gun, which not only can play a role of locking a striker, but also can effectively avoid the condition that a locking block continuously collides with the inner wall of a bayonet in the locking process to cause abrasion, and can adjust the nailing force according to actual requirements.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model discloses a locking device capable of adjusting nailing force of an electric nail gun, which comprises a power box, a driving motor arranged in the power box, an upper air cylinder and a lower air cylinder arranged on the right side of the power box, wherein the lower air cylinder is positioned right below the upper air cylinder, the driving motor is connected with a connecting arm through a speed reducing mechanism, the end part of the connecting arm is provided with an eccentric shaft, the lower air cylinder is internally provided with a lower piston, the lower piston is provided with a piston arm hinged with the lower piston, the piston arm is connected onto the eccentric shaft, the upper air cylinder is internally provided with an upper piston, the center of the left side wall of the upper piston is provided with a striker, and the left end of the striker penetrates out of the upper air cylinder, and the locking device is characterized in that: the left side of the upper air cylinder is provided with a fixing part positioned above the power box; one end of the fixing part is connected with the upper air cylinder through a first screw, and the other end of the fixing part is fixed on the power box through a second screw; a rotary groove is formed in the rear side of the upper surface of the power box; the bottom of the rotary groove is provided with a rotary hole communicated with the inner space of the power box; a rotating shaft sleeve matched with the rotating hole is arranged in the rotating hole, and a rotating shaft matched with the rotating shaft is arranged in the rotating shaft sleeve; the lower end of the rotating shaft penetrates into the power box downwards and is provided with a short rocker; a torsion spring is sleeved outside the rotary shaft sleeve; one end of the torsion spring is fixed on the short rocker, and the other end of the torsion spring is fixed on the inner wall of the power box; the upper end of the rotating shaft is provided with an automatic unlocking device matched with the rotating groove; a locking block matched with the automatic unlocking device is arranged on the right side of the automatic unlocking device; a bayonet is arranged on the side wall of one side of the firing pin opposite to the locking block; the locking block is provided with a locking part matched with the bayonet; the lower end of the second screw penetrates into the inner space of the power box and is hinged with a long rocker; and the long rocker is provided with a nailing force adjusting device matched with the short rocker.
The automatic unlocking device comprises a driving wheel arranged at the upper end of the rotating shaft, and the driving wheel is positioned in the rotating groove; the upper surface of the power box is provided with a positioning groove communicated with the rotary groove, and the positioning groove is positioned on the right side of the rotary groove; a locking seat matched with the positioning groove is arranged in the positioning groove and is fixed in the positioning groove through a third screw; the upper surface of the locking seat is provided with a rotary boss; the locking block is sleeved outside the rotary boss through a movable hole arranged in the center of the locking block; a spherical caulking groove is formed in the left side of the lower surface of the locking block; the left part of the locking seat is provided with a lifting hole communicated with the spherical caulking groove; an arc-shaped unlocking groove is formed in the front side edge of the driving wheel, and the groove wall of one side, adjacent to the lifting hole, of the unlocking groove inclines towards the direction of the lifting hole; the left side of the locking seat is positioned above the driving wheel and limits the upward movement of the driving wheel; a locking steel ball is arranged in the lifting hole, the lower end of the locking steel ball is attached to the upper surface of the driving wheel, and the upper end of the locking steel ball is embedded into the spherical caulking groove; a fixed arm is arranged on the left side wall of the fixed part; the fixed arm is connected with the left part of the locking block through a tension spring.
The bottom of the rotary groove is provided with a limiting groove positioned on one side of an orifice at the upper end of the rotary hole, and the limiting groove is arc-shaped; the lower surface of the driving wheel is provided with a limiting column matched with the limiting groove.
And a limiting gasket is arranged between the rotary boss and the head of the third screw, and the outer diameter of the limiting gasket is larger than the inner diameter of the locking block.
The nailing force adjusting device comprises a push plate arranged at the end part of the long rocker, the position of the push plate corresponds to the position of the eccentric shaft, and the push plate is positioned on one side of the long rocker, which is far away from the short rocker; an adjusting plate is arranged on the side wall of one side of the long rocker opposite to the short rocker; the adjusting plate is provided with an adjusting screw hole; the adjusting screw hole is in threaded connection with an adjusting screw rod; and an unlocking plate corresponding to the position of the adjusting plate is arranged on the side wall of one side of the short rocker opposite to the long rocker, and one end of the adjusting screw penetrates out of the adjusting screw hole and is pressed on the unlocking plate.
The adjusting screw rod is pressed against one end of the unlocking plate to form a semi-sphere.
And one end of the adjusting screw rod, which is not pressed against the unlocking plate, penetrates out of the adjusting screw hole and is in threaded connection with a fastening nut attached to the adjusting plate.
A clamping groove corresponding to the position of the second screw is formed in the upper surface of the power box; a guide plate matched with the clamping groove is arranged in the clamping groove, and the firing pin is positioned above the guide plate and is attached to the upper surface of the guide plate; the rear part of the guide plate protrudes backwards to the outside of the clamping groove and covers the upper part of the unlocking groove.
An arc-shaped guide surface is arranged on the inner wall of the left side of the bayonet; and a sliding-out surface matched with the guide surface is arranged on the left side of the locking part.
A stop block is arranged on the front side of one end of the fixing part, which is fixed by the first screw; the right side wall of the locking block is provided with a limiting part which is attached to the stop block.
The utility model has the beneficial effects that:
compared with the prior art, the locking device capable of adjusting the nailing force of the electric nail gun has the advantages that the position of the locking block is limited by the locking steel ball of the automatic unlocking device, the locking part of the locking block is pressed tightly in the bayonet of the striker by elasticity to achieve the locking effect, the condition that the locking part of the locking block is easily abraded when the locking part is contacted with the bayonet by external force extrusion is effectively avoided, the position accuracy of the striker when the locking part of the locking block is locked is effectively ensured, the nailing quality is ensured, when the striker moves, the locking part of the locking block can automatically move out of the bayonet under the driving of the striker, the automatic unlocking effect is achieved, the nailing force adjusting device can effectively adjust the impact force of the striker, the nailing force is adjusted, the electric nail gun can adapt to different nailing requirements, and the whole driving motor does not need to be replaced, the use cost can be effectively saved.
Drawings
FIG. 1 is a schematic view of a locking device for adjusting the nailing force of an electric nail gun according to the present invention;
FIG. 2 is a schematic view of a portion of the locking device for adjusting the nailing force of the electric nail gun according to the present invention;
FIG. 3 is a schematic view showing an angle of the nailing force adjusting means;
FIG. 4 is a schematic view showing another angle structure of the nailing force adjusting means;
FIG. 5 is a perspective view of the locking device for adjusting the nailing force of the electric nail gun of the present invention;
FIG. 6 is a cross-sectional view of the locking device for adjusting the nailing force of the electric nail gun of the present invention;
FIG. 7 is a cross-sectional view of a portion of the locking device for adjusting the power of a nail gun of the present invention;
FIG. 8 is a cross-sectional view of another cross-sectional view of a portion of the locking device for adjusting the nailing force of the electric nail gun of the present invention;
fig. 9 is a schematic structural view of the automatic unlocking device.
Detailed Description
The utility model is described in further detail below with reference to the following figures and detailed description:
referring to fig. 1 to 9, the utility model provides a locking device capable of adjusting nailing force of an electric nail gun, which comprises a power box 1, a driving motor arranged in the power box 1, and an upper cylinder 3 and a lower cylinder 4 arranged on the right side of the power box 1, wherein the lower cylinder 4 is positioned right below the upper cylinder 4, the driving motor is connected with a connecting arm 5 through a speed reducing mechanism 2, the end part of the connecting arm 5 is provided with an eccentric shaft 6, the lower cylinder 4 is internally provided with a lower piston 7, the lower piston 7 is provided with a piston arm 8 hinged with the lower piston, the piston arm 8 is connected onto the eccentric shaft 6, the upper cylinder 3 is internally provided with an upper piston 9, the center of the left side wall of the upper piston 9 is provided with a striker 10, the left end of the striker 10 penetrates through the upper cylinder 3, and the left side of the upper cylinder 3 is provided with a fixing part 11 positioned above the power box 1; one end of the fixing part 11 is fixed on the upper cylinder 3 through a first screw 12, and the other end of the fixing part 11 is fixed on the power box 1 through a second screw 13; a rotary groove 14 is formed in the rear side of the upper surface of the power box 1; a rotary hole 15 communicated with the inner space of the power box 1 is formed at the bottom of the rotary groove 14; a rotating shaft sleeve 16 matched with the rotating hole 15 is arranged in the rotating hole 15, and a rotating shaft 47 matched with the rotating shaft sleeve 16 is arranged in the rotating shaft sleeve 16; the lower end of the rotating shaft 47 penetrates into the power box 1 downwards and is provided with a short rocker 17; a torsion spring 18 is sleeved outside the rotating shaft sleeve 16; one end of the torsion spring 18 is fixed on the short rocker 17, and the other end of the torsion spring 18 is fixed on the inner wall of the power box 1; the upper end of the rotating shaft 47 is provided with an automatic unlocking device matched with the rotating groove 14; a locking block 19 matched with the automatic unlocking device is arranged on the right side of the automatic unlocking device; a bayonet 20 is arranged on the side wall of the striker 10 opposite to the locking block 19; a locking part 1901 matched with the bayonet 20 is arranged on the locking block 19; the lower end of the second screw 13 penetrates into the inner space of the power box 1 and is hinged with a long rocker 21; the long rocker 21 is provided with a nailing force adjusting device matched with the short rocker 17.
The automatic unlocking device comprises a driving wheel 22 arranged at the upper end of a rotating shaft 47, and the driving wheel 22 is positioned in the rotating groove 14; the upper surface of the power box 1 is provided with a positioning groove 23 communicated with the rotary groove 14, and the positioning groove 23 is positioned on the right side of the rotary groove 14; a locking seat 24 matched with the positioning groove 23 is arranged in the positioning groove 23, and the locking seat 24 is fixed in the positioning groove 23 through a third screw 25; a rotary boss 26 is arranged on the upper surface of the locking seat 24; the locking block 19 is sleeved outside the rotary boss 26 through a movable hole 1903 arranged in the center of the locking block; a spherical caulking groove 27 is formed in the left side of the lower surface of the locking block 19; the left part of the locking seat 24 is provided with a lifting hole 28 communicated with the spherical caulking groove 27; an arc-shaped unlocking groove 29 is formed in the front side edge of the driving wheel 22, and the groove wall of one side, adjacent to the lifting hole 28, of the unlocking groove 29 inclines towards the lifting hole 28; the left side of the locking seat 24 is positioned above the driving wheel 22 and limits the upward movement of the driving wheel 22; a locking steel ball 30 is arranged in the lifting hole 28, the lower end of the locking steel ball 30 is attached to the upper surface of the driving wheel 22, and the upper end of the locking steel ball 30 is embedded into the spherical caulking groove 27; a fixed arm 31 is arranged on the left side wall of the fixed part 11; the fixing arm 31 is connected with the left part of the locking block 19 through a tension spring 32.
A limiting groove 33 positioned on one side of the orifice at the upper end of the rotating hole 15 is arranged at the bottom of the rotating groove 14, and the limiting groove 33 is arc-shaped; the lower surface of the driving wheel 22 is provided with a limit column 34 matched with the limit groove 33.
A limiting gasket 35 is arranged between the rotating boss 26 and the head of the third screw 25, and the outer diameter of the limiting gasket 35 is larger than the inner diameter of the locking block 19.
The nailing force adjusting device comprises a push plate 36 arranged at the end part of the long rocker 21, the position of the push plate 36 corresponds to the position of the eccentric shaft 6, and the push plate 36 is positioned at one side of the long rocker 21 far away from the short rocker; an adjusting plate 37 is arranged on the side wall of one side of the long rocker 21 opposite to the short rocker 17; the adjusting plate 37 is provided with an adjusting screw hole 38; the adjusting screw hole 38 is in threaded connection with an adjusting screw rod 39; an unlocking plate 40 corresponding to the position of the adjusting plate 37 is arranged on the side wall of the short rocker 17 opposite to the long rocker 21, and one end of an adjusting screw 39 penetrates out of the adjusting screw hole 38 and is pressed against the unlocking plate 40.
The adjusting screw 39 is semi-spherical at one end pressed against the unlocking plate 40.
The end of the adjusting screw 39 not pressed against the unlocking plate 40 is extended out of the adjusting screw hole 38 and is screwed with a fastening nut 41 attached to the adjusting plate 37.
The upper surface of the power box 1 is provided with a clamping groove 42 corresponding to the position of the second screw 13; a guide plate 43 matched with the blocking groove 42 is arranged in the blocking groove 42, and the firing pin 10 is positioned above the guide plate 43 and is attached to the upper surface of the guide plate 43; the rear part of the guide plate 43 protrudes rearward out of the locking groove 42 and covers above the unlocking groove 29.
An arc-shaped guide surface 44 is arranged on the inner wall of the left side of the bayonet 20; the locking portion 1901 is provided on the left side with a slide-out surface 45 that matches the guide surface 44.
A stop block 46 is arranged at the front side of one end of the fixing part 11 fixed by the first screw 12; the right side wall of the locking block 19 is provided with a limiting part 1902 which is attached to the stopper 46.
The using method of the utility model is as follows:
when the electric nail gun needs to nail, the driving motor can be started, when the driving motor runs, the driving motor can drive the connecting arm 5 to rotate through the speed reducing mechanism 2, so as to drive the eccentric shaft 6 to rotate, the eccentric shaft 6 rotates by taking the output shaft 201 of the speed reducing mechanism 2 as the center, finally the eccentric shaft 6 winds to the front side of the push plate 36 at the end part of the long rocker 21 and impacts on the push plate 36 to push the push plate 36 backwards, the long rocker 21 is hinged at the lower end of the second screw 13, when the push plate 36 is pushed backwards, the long rocker 21 rotates backwards by taking the second screw 13 as the center, the adjusting screw 39 screwed on the adjusting plate 37 on the long rocker 21 is pressed on the unlocking plate 40 of the short rocker 17, when the long rocker 21 rotates backwards, the short rocker 17 rotates backwards under the pushing of the adjusting screw 39, the short rocker 17 is fixed at the lower end of the rotating shaft 47, the rotating shaft 47 rotates along with the short rocker 17, at this time, the torsion spring 18 sleeved outside the rotating shaft sleeve 16 is deformed and generates elasticity under the rotation of the short rocker 17.
The rotating shaft 47 is driven by the short rocker 17 to rotate counterclockwise, the driving wheel is arranged at the upper end of the rotating shaft 47, the driving wheel 22 rotates counterclockwise along with the rotating shaft 47, at the moment, the unlocking groove 29 along the front side edge of the driving wheel 22 is gradually close to the lifting hole, firstly, one side groove wall of the unlocking groove 29 close to the lifting hole 28 moves to the lower part of the lifting hole 28, the side groove wall of the unlocking groove 29 inclines towards the lifting hole 28, the locking steel ball 30 originally positioned in the lifting hole 28 slides into the unlocking groove 29 along one side groove wall of the unlocking groove 29 close to the lifting hole 28, the unlocking groove 29 is enclosed by the inner wall of the rotating groove 14, the locking steel ball 30 can be effectively limited in the unlocking groove 29, the locking steel ball 30 can only move in the unlocking groove 29, when the locking steel ball 30 moves in the unlocking groove 29, the upper part of the locking steel ball 30 is always positioned in the lifting hole 28, and after the locking steel ball 30 enters into the unlocking groove 29 from the lifting hole 28, the upper end of the locking steel ball 30 is no longer embedded in the spherical caulking groove 27 on the lower surface of the locking block 19, and the locking steel ball 30 no longer limits the rotation of the locking block 19.
When the eccentric shaft 6 rotates, the eccentric shaft 6 drives the lower piston 7 to move through the piston arm 8, so that the air in the lower cylinder 4 is pushed into the upper cylinder 3, the air pressure of the upper cylinder 3 is increased, the upper piston 9 is pushed to move to the left, at this time, the upper piston 9 drives the striker 10 to move to the left, the nail in the nailing channel of the electric nail gun is ejected from the muzzle of the electric nail gun, the nailing operation is completed, when the locking block 19 is no longer limited by the locking steel ball, the striker 10 moves to the left along with the striker 10, the force of moving to the left is applied to the locking part of the locking block 19 through the inner wall of the bayonet 20, as the locking part 1901 is pushed to the left, the locking block 19 rotates clockwise around the rotating boss 26, the locking part 1901 of the locking block 19 leaves the bayonet 20, the locking block 19 does not limit the movement of the striker 10 through the locking part 1901, and the fixing arm 31 of the fixing part 11 is fixed, therefore, when the locking block 19 rotates clockwise, the tension spring 32 is pulled along with the clockwise rotation to generate elasticity, when the striker 10 finishes the nailing operation and resets, the tension spring 32 assists the locking block 19 to reset by using the elasticity thereof, so that the locking portion 1901 on the locking block 19 is clamped into the bayonet 20 again, and the tension spring 32 only plays a role of resetting the locking block 19, so that the locking portion 1901 of the locking block 19 cannot be tightly pressed in the bayonet 20 by the elasticity thereof, and the situation that the locking portion 1901 of the locking block 19 is easily worn out by being tightly pressed in the bayonet 20 by the elasticity thereof is avoided.
When the locking block 19 is reset, the short rocker 17 will reset under the elastic action of the torsion spring 18, so as to drive the rotation shaft 47 to reset, when the rotation shaft 47 resets, the driving wheel 22 will reset, at this moment, the driving wheel 22 rotates clockwise, the unlocking slot 29 on the driving wheel 22 gradually moves forward, the locking steel ball 30 will move in the lifting hole 28, finally move to the side slot wall of the unlocking slot 29 adjacent to the lifting hole, and the side slot wall tilts towards the lifting hole 28, the locking steel ball 30 will move along the tilted slot wall via the lifting hole 28 towards the locking block 19, the locking steel ball 30 moves to the lower surface of the locking block 19, and contacts with it, the driving wheel 22 stops resetting, at this moment, the locking portion 1901 on the locking block 19 touches the side surface 19 of the striker 10, when the bayonet 20 resets to the locking portion 1901, the upper portion 1901 on the locking block 19 continues to move counterclockwise under the action of the tension spring 32, then the striker just enters the bayonet 20, the upper part of the locking steel ball 30 which is originally positioned in the lifting hole 28 is embedded into the spherical caulking groove 27 on the lower surface of the locking block 19 again, the driving wheel 22 is completely reset, the upper surface of the driving wheel 22 is attached to the steel ball 30, the locking block 19 is in a locking state, the effect of limiting the rotation of the locking block 19 is achieved, at the moment, the striker 10 still continues to retreat, the guide surface 44 on the striker 10 is contacted with the sliding-out surface 45 of the locking block 19, at the moment, the retraction of the striker 10 is completely stopped, and the limitation of the striker 10 by the locking block 19 is achieved, the back of the firing pin 10 is positioned, the firing pin 10 cannot go backwards infinitely to impact the upper cylinder 3 body to cause the damage of the upper cylinder 3, when the driving wheel 22 is reset, the upper surface of the driving wheel 22 firmly presses the locking steel ball 30 into the spherical caulking groove 27, thereby effectively ensuring the stability of the locking portion 1901 of the locking block 19 when locking the firing pin 10.
When the nailing strength needs to be adjusted, the adjusting screw rod 39 can be rotated to lead the adjusting screw rod 39 to move forwards or backwards along the thread track of the adjusting screw hole 38, thereby effectively adjusting the spacing between the adjustment plate 37 on the long rocker 21 and the unlocking plate 40 on the short rocker 17, thereby changing the position of the push plate 36 on the long rocker 21, when the distance between the adjusting plate 37 and the unlocking plate 40 is larger, the more forward the push plate 36 at the end of the long rocker 21, the earlier the eccentric shaft 6 can push the push plate 36 when rotating, thereby unlocking the lock of the lock block 19 to the striker 10 in advance, the earlier the lock block 19 is unlocked, the smaller the resistance of the lock portion 1901 of the lock block 19 to the striker 10, when the locking block 19 is unlocked later, the larger the resistance of the locking part 1901 of the locking block 19 to the firing pin 10 is, the larger the force of the firing pin 10 is, the greater the force of the firing pin 10 striking the nail is, and thus the adjustment of the nailing force is realized.
In conclusion, the present invention utilizes the locking steel ball 30 of the automatic unlocking device to limit the position of the locking block 19, instead of utilizing elasticity to press the locking part 1901 of the locking block 19 tightly into the bayonet 20 of the firing pin 10, the locking effect is achieved, the situation that the locking part 1901 of the locking block 19 is easily abraded when being contacted with the bayonet 20 due to external force extrusion is effectively avoided, thereby effectively ensuring the accuracy of the position of the striker 10 when locked by the locking portion 1901 of the locking piece 19, ensuring the nailing quality, when the firing pin 10 moves, the locking portion 1901 of the locking block 19 will automatically move out of the bayonet 20 under the driving of the firing pin 10, so as to realize the effect of automatic unlocking, and the nailing strength adjusting device can effectively adjust the striking strength of the firing pin 10, thereby realize the regulation of nailing dynamics, make electronic nail rifle can adapt to different nailing demands, need not to change whole driving motor, can effectively practice thrift use cost.
The bottom of the rotary groove 14 is provided with a limit groove 33 positioned at one side of the upper end orifice of the rotary hole 15, the limit groove 33 is arc-shaped, the lower surface of the driving wheel 22 is provided with a limit column 34 matched with the limit groove 33, and the existence of the limit column 34 can ensure that the driving wheel 22 can accurately reset along the track of the limit groove 33.
A limiting gasket 35 is arranged between the rotating boss 26 and the head of the third screw 25, the outer diameter of the limiting gasket 35 is larger than the inner diameter of the locking block 19, and the assembly mode can ensure the stability of the locking block 19 when the locking block 19 rotates by taking the rotating boss 26 as the center.
The end of the adjusting screw 39, which is not pressed against the unlocking plate 40, penetrates out of the adjusting screw hole 38 and is screwed with a fastening nut 41 attached to the adjusting plate 37, and the stability of the adjusting screw 39 can be effectively improved due to the fastening nut 41.
The upper surface of the power box 1 is provided with a clamping groove 42 corresponding to the position of the second screw 13, a guide plate 43 matched with the clamping groove 42 is arranged in the clamping groove 42, the striker 10 is positioned above the guide plate 43 and is attached to the upper surface of the guide plate 43, the rear part of the guide plate 43 protrudes backwards out of the clamping groove 42 and covers the unlocking groove 29, and the guide plate 43 can guide the striker 10 and improve the stability of the striker 10 during movement.
An arc-shaped guide surface 44 is arranged on the left inner wall of the bayonet 20, a sliding-out surface 45 matched with the guide surface 44 is arranged on the left side of the locking part 1901, and the guide surface 44 is matched with the sliding-out surface 45, so that the locking block 19 can be separated from the bayonet 20 more smoothly when the striker 10 pushes the locking part.
A stop 46 is arranged at the front side of one end of the fixing portion 11 fixed by the first screw 12, a limiting portion 1902 attached to the stop 46 is arranged on the side wall of the right side of the locking block 19, and the stop 46 can limit the position of the locking block 19 through the limiting portion 1902, so that the situation that the locking block 19 is excessively reset and collides with the inner wall of the bayonet 20 is avoided.
Claims (10)
1. The utility model provides a locking device of adjustable electronic nail rifle nailing dynamics, including the headstock, locate the driving motor in the headstock and locate the last cylinder on headstock right side, lower cylinder is located under the cylinder, driving motor is connected with the linking arm through reduction gears, the linking arm tip is equipped with the eccentric shaft, be equipped with down the piston in the lower cylinder, be equipped with on the lower piston rather than articulated piston arm mutually, piston arm connects on the eccentric shaft, be equipped with the piston in the last cylinder, it is equipped with the firing pin to go up piston left side lateral wall center, the cylinder is worn out to the firing pin left end, its characterized in that: the left side of the upper air cylinder is provided with a fixing part positioned above the power box; one end of the fixing part is connected with the upper air cylinder through a first screw and a second screw; a rotary groove is formed in the rear side of the upper surface of the power box; the bottom of the rotary groove is provided with a rotary hole communicated with the inner space of the power box; a rotating shaft sleeve matched with the rotating hole is arranged in the rotating hole, and a rotating shaft matched with the rotating shaft is arranged in the rotating shaft sleeve; the lower end of the rotating shaft penetrates into the power box downwards and is provided with a short rocker; a torsion spring is sleeved outside the rotary shaft sleeve; one end of the torsion spring is fixed on the short rocker, and the other end of the torsion spring is fixed on the inner wall of the power box; the upper end of the rotating shaft is provided with an automatic unlocking device matched with the rotating groove; a locking block matched with the automatic unlocking device is arranged on the right side of the automatic unlocking device; a bayonet is arranged on the side wall of one side of the firing pin opposite to the locking block; the locking block is provided with a locking part matched with the bayonet; the lower end of the second screw penetrates into the inner space of the power box and is hinged with a long rocker; and the long rocker is provided with a nailing force adjusting device matched with the short rocker.
2. The locking device for adjusting nailing force of electric nail gun as claimed in claim 1, wherein: the automatic unlocking device comprises a driving wheel arranged at the upper end of the rotating shaft, and the driving wheel is positioned in the rotating groove; the upper surface of the power box is provided with a positioning groove communicated with the rotary groove, and the positioning groove is positioned on the right side of the rotary groove; a locking seat matched with the positioning groove is arranged in the positioning groove and is fixed in the positioning groove through a third screw; the upper surface of the locking seat is provided with a rotary boss; the locking block is sleeved outside the rotary boss through a movable hole arranged in the center of the locking block; a spherical caulking groove is formed in the left side of the lower surface of the locking block; the left part of the locking seat is provided with a lifting hole communicated with the spherical caulking groove; an arc-shaped unlocking groove is formed in the front side edge of the driving wheel, and the groove wall of one side, adjacent to the lifting hole, of the unlocking groove inclines towards the direction of the lifting hole; the left side of the locking seat is positioned above the driving wheel and limits the upward movement of the driving wheel; a locking steel ball is arranged in the lifting hole, the lower end of the locking steel ball is attached to the upper surface of the driving wheel, and the upper end of the locking steel ball is embedded into the spherical caulking groove; a fixed arm is arranged on the left side wall of the fixed part; the fixed arm is connected with the left part of the locking block through a tension spring.
3. The locking device for adjusting nailing force of electric nail gun as claimed in claim 2, wherein: the bottom of the rotary groove is provided with a limiting groove positioned on one side of an orifice at the upper end of the rotary hole, and the limiting groove is arc-shaped; the lower surface of the driving wheel is provided with a limiting column matched with the limiting groove.
4. The locking device for adjusting nailing force of electric nail gun as claimed in claim 2, wherein: and a limiting gasket is arranged between the rotary boss and the head of the third screw, and the outer diameter of the limiting gasket is larger than the inner diameter of the locking block.
5. The locking device for adjusting nailing force of electric nail gun as claimed in claim 1, wherein: the nailing force adjusting device comprises a push plate arranged at the end part of the long rocker, the position of the push plate corresponds to the position of the eccentric shaft, and the push plate is positioned on one side of the long rocker, which is far away from the short rocker; an adjusting plate is arranged on the side wall of one side of the long rocker opposite to the short rocker; the adjusting plate is provided with an adjusting screw hole; the adjusting screw hole is in threaded connection with an adjusting screw rod; and an unlocking plate corresponding to the position of the adjusting plate is arranged on the side wall of one side of the short rocker opposite to the long rocker, and one end of the adjusting screw penetrates out of the adjusting screw hole and is pressed on the unlocking plate.
6. The locking device for adjusting nailing force of electric nail gun as claimed in claim 5, wherein: the adjusting screw rod is pressed against one end of the unlocking plate to form a semi-sphere.
7. The locking device for adjusting nailing force of electric nail gun as claimed in claim 5, wherein: and one end of the adjusting screw rod, which is not pressed against the unlocking plate, penetrates out of the adjusting screw hole and is in threaded connection with a fastening nut attached to the adjusting plate.
8. The locking device for adjusting nailing force of electric nail gun as claimed in claim 1, wherein: a clamping groove corresponding to the position of the second screw is formed in the upper surface of the power box; a guide plate matched with the clamping groove is arranged in the clamping groove, and the firing pin is positioned above the guide plate and is attached to the upper surface of the guide plate; the rear part of the guide plate protrudes backwards to the outside of the clamping groove and covers the upper part of the unlocking groove.
9. The locking device for adjusting nailing force of electric nail gun as claimed in claim 1, wherein: an arc-shaped guide surface is arranged on the inner wall of the left side of the bayonet; and a sliding-out surface matched with the guide surface is arranged on the left side of the locking part.
10. The locking device for adjusting nailing force of electric nail gun as claimed in claim 1, wherein: a stop block is arranged on the front side of one end of the fixing part, which is fixed by the first screw; the right side wall of the locking block is provided with a limiting part which is attached to the stop block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121977183.4U CN215701434U (en) | 2021-08-23 | 2021-08-23 | Locking device capable of adjusting nailing force of electric nail gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121977183.4U CN215701434U (en) | 2021-08-23 | 2021-08-23 | Locking device capable of adjusting nailing force of electric nail gun |
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| Publication Number | Publication Date |
|---|---|
| CN215701434U true CN215701434U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121977183.4U Active CN215701434U (en) | 2021-08-23 | 2021-08-23 | Locking device capable of adjusting nailing force of electric nail gun |
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| Country | Link |
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| CN (1) | CN215701434U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536278A (en) * | 2022-03-19 | 2022-05-27 | 浙江荣鹏气动工具股份有限公司 | Locking mechanism of nail gun firing pin |
| DE202023107664U1 (en) | 2023-12-26 | 2024-02-08 | Zhejiang Rongpeng Air Tools Co., Ltd. | Locking device for an electric nail gun with gas spring drive |
-
2021
- 2021-08-23 CN CN202121977183.4U patent/CN215701434U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536278A (en) * | 2022-03-19 | 2022-05-27 | 浙江荣鹏气动工具股份有限公司 | Locking mechanism of nail gun firing pin |
| DE202023107664U1 (en) | 2023-12-26 | 2024-02-08 | Zhejiang Rongpeng Air Tools Co., Ltd. | Locking device for an electric nail gun with gas spring drive |
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