WO2023024258A1 - 一种可调节电动钉枪打钉力度的锁定装置 - Google Patents
一种可调节电动钉枪打钉力度的锁定装置 Download PDFInfo
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- WO2023024258A1 WO2023024258A1 PCT/CN2021/128074 CN2021128074W WO2023024258A1 WO 2023024258 A1 WO2023024258 A1 WO 2023024258A1 CN 2021128074 W CN2021128074 W CN 2021128074W WO 2023024258 A1 WO2023024258 A1 WO 2023024258A1
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- locking
- groove
- adjusting
- power box
- nail gun
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- 230000007246 mechanism Effects 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 125000006850 spacer group Chemical group 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000010304 firing Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
- B25C1/00—Hand-held nailing tools; Nail feeding devices
- B25C1/06—Hand-held nailing tools; Nail feeding devices operated by electric power
Definitions
- the invention relates to a locking device capable of adjusting the nailing force of an electric nail gun.
- the requirements for the nailing force are often different, and the nailing force is determined by the drive motor of the electric nail gun, which can only form a fixed If the nailing strength is changed, the nailing strength cannot be adjusted. If the nailing strength is to be changed, the entire drive motor can only be replaced, which is not only extremely troublesome to replace, but also very expensive to replace.
- the present invention aims to solve the existing technical problem by providing a locking device that can adjust the nailing force of the electric nail gun, which can not only lock the striker, but also effectively prevent the locking block from continuously colliding with the inner wall of the bayonet during the locking process.
- the nailing force can be adjusted according to actual needs.
- the invention discloses a locking device capable of adjusting the nailing force of an electric nail gun, which comprises a power box, a driving motor arranged in the power box, an upper cylinder and a lower cylinder arranged on the right side of the power box, and the lower cylinder is located directly below the upper and lower cylinders , the drive motor is connected to the connecting arm through the reduction mechanism, the end of the connecting arm is provided with an eccentric shaft, the lower cylinder is provided with a lower piston, the lower piston is provided with a piston arm hinged with it, the piston arm is connected to the eccentric shaft, and the upper cylinder There is an upper piston inside, and a striker is set in the center of the left side wall of the upper piston, and the left end of the striker passes through the upper cylinder.
- the left side of the upper cylinder is provided with a fixed part above the power box;
- the first screw is connected to the upper cylinder, and the other end of the fixed part is fixed on the power box through the second screw;
- a rotating groove is provided on the rear side of the upper surface of the power box;
- a rotating hole; the rotating hole is provided with a matching rotating shaft sleeve, and the rotating shaft sleeve is provided with a matching rotating shaft;
- the lower end of the rotating shaft penetrates downward into the interior of the power box and is provided with a short rocker;
- the upper end of the rotating shaft is provided with an automatic unlocking device that matches the rotating groove;
- the right side of the automatic unlocking device is provided with a matching locking block;
- the automatic unlocking device includes a driving wheel located on the upper end of the rotating shaft, and the driving wheel is located in the rotating groove; the upper surface of the power box is provided with a positioning groove connected with the rotating groove, and the positioning groove is located on the right side of the rotating groove; There is a matching locking seat in the groove, and the locking seat is fixed in the positioning groove by a third screw; the upper surface of the locking seat is provided with a rotating boss; the locking block is set on the center of the locking block through a movable hole Outside the rotating boss; the left side of the lower surface of the locking block is provided with a spherical slot; the left part of the locking seat is provided with a lifting hole connected with the spherical slot; the front edge of the driving wheel is provided with an arc
- the unlocking groove of the unlocking groove, the side wall of the unlocking groove adjacent to the lifting hole is inclined toward the direction of the lifting hole; the left side of the locking seat is located above the driving wheel and restricts the upward movement of the driving wheel; a locking
- the bottom of the rotating groove is provided with a limiting groove on the side of the upper end of the rotating hole, and the limiting groove is arc-shaped; the lower surface of the driving wheel is provided with a limiting column matching the limiting groove.
- a limit washer is provided between the rotating boss and the head of the third screw, and the outer diameter of the limit washer is larger than the inner diameter of the locking block.
- the nailing force adjustment device includes a push plate located at the end of the long rocker, the position of the push plate corresponds to the position of the eccentric shaft, and the push plate is located on the side of the long rocker away from the short rocker; An adjustment plate is provided on the side wall opposite to the rocker; an adjustment screw hole is provided on the adjustment plate; an adjustment screw is screwed into the adjustment screw hole; An unlocking plate corresponding to the position of the adjusting plate is provided, and one end of the adjusting screw goes out of the adjusting screw hole and presses against the unlocking plate.
- the end of the adjusting screw that presses against the unlocking plate is hemispherical.
- One end of the adjusting screw that is not pressed against the unlocking plate passes out of the adjusting screw hole and is screwed with a fastening nut that fits the adjusting plate.
- the upper surface of the power box is provided with a locking groove corresponding to the position of the second screw; the locking groove is provided with a matching guide plate, and the striker is located above the guide plate and fits on the surface of the guide plate; The rear part of the guide plate protrudes backward out of the locking slot and covers above the unlocking slot.
- the inner wall on the left side of the bayonet is provided with an arc-shaped guiding surface; the left side of the locking part is provided with a slide-out surface matching the guiding surface.
- a stopper is provided on the front side of one end of the fixing part fixed by the first screw; a restricting part fitted to the stopper is provided on the right side wall of the locking block.
- the locking device adopting the structure of the present invention which can adjust the nailing force of the electric nail gun, uses the locking steel ball of the automatic unlocking device to limit the position of the locking block, instead of using elasticity to press the locking part of the locking block tightly
- the locking effect is realized in the bayonet of the striker, which can effectively avoid the situation that the locking part of the locking block and the bayonet will be worn when squeezed by external force, so as to effectively ensure the accuracy of the position of the striker when it is locked by the locking part of the locking block.
- the nailing force adjustment device can effectively adjust the strike force of the striker to achieve The adjustment of the nailing force enables the electric nail gun to adapt to different nailing needs without replacing the entire driving motor, which can effectively save the cost of use.
- Fig. 1 is a structural schematic diagram of a locking device capable of adjusting the nailing force of an electric nail gun according to the present invention
- Fig. 2 is a partial structural schematic diagram of the locking device of the present invention that can adjust the nailing force of the electric nail gun;
- Fig. 3 is a structural schematic diagram of an angle of the nailing force adjusting device
- Fig. 4 is a structural schematic diagram of another angle of the nailing force adjusting device
- Fig. 5 is a perspective view of the locking device of the present invention that can adjust the nailing force of the electric nail gun;
- Fig. 6 is a sectional view of the locking device of the present invention that can adjust the nailing force of the electric nail gun;
- Fig. 7 is a sectional view of a part of the locking device of the present invention that can adjust the nailing force of the electric nail gun;
- Fig. 8 is a cross-sectional view of another partial perspective of the locking device of the present invention that can adjust the nailing force of the electric nail gun;
- Fig. 9 is a schematic structural diagram of the automatic unlocking device.
- the present invention provides a locking device that can adjust the nailing force of an electric nail gun, including a power box 1, a driving motor inside the power box 1, and an upper cylinder on the right side of the power box 1 3.
- the lower cylinder 4, the lower cylinder 4 is located directly below the upper and lower cylinders 4, the drive motor is connected to the connecting arm 5 through the reduction mechanism 2, the end of the connecting arm 5 is provided with an eccentric shaft 6, and the lower cylinder 4 is provided with a lower piston 7, the lower
- the piston 7 is provided with a piston arm 8 hinged thereto, the piston arm 8 is connected to the eccentric shaft 6,
- the upper cylinder 3 is provided with an upper piston 9, the center of the left side wall of the upper piston 9 is provided with a striker 10, and the left end of the striker 10 passes through Out of the upper cylinder 3, the left side of the upper cylinder 3 is provided with a fixed part 11 positioned above the power box 1; one end of the fixed part 11 is fixed on the upper cylinder 3 by the first screw 12, and the other
- Described automatic unlocking device comprises the driving wheel 22 that is located at the upper end of rotating shaft 47, and driving wheel 22 is located in the rotating groove 14;
- the upper surface of described power box 1 is provided with a positioning groove 23 that communicates with rotating groove 14, and positioning groove 23 is positioned at On the right side of the rotation groove 14;
- the positioning groove 23 is provided with a matching locking seat 24, and the locking seat 24 is fixed in the positioning groove 23 by the third screw 25;
- the upper surface of the locking seat 24 is provided with a rotating boss 26 ;
- the locking block 19 is set on the outside of the rotating boss 26 through a movable hole 1903 located at its center;
- the left side of the lower surface of the locking block 19 is provided with a spherical groove 27;
- the left part of the locking seat 24 is provided with
- the lifting hole 28 connected with the spherical socket 27;
- the front edge of the drive wheel 22 is provided with an arc-shaped unlocking groove 29, and the side wall of the unlocking groove 29 adjacent to the
- the bottom of the rotating groove 14 is provided with a limiting groove 33 on one side of the upper end of the rotating hole 15, and the limiting groove 33 is arc-shaped; the lower surface of the driving wheel 22 is provided with a limiting groove 33 matching.
- Column 34 The bottom of the rotating groove 14 is provided with a limiting groove 33 on one side of the upper end of the rotating hole 15, and the limiting groove 33 is arc-shaped; the lower surface of the driving wheel 22 is provided with a limiting groove 33 matching.
- a limit washer 35 is provided between the rotating boss 26 and the head of the third screw 25 , and the outer diameter of the limit washer 35 is larger than the inner diameter of the locking block 19 .
- the nailing force adjustment device includes a push plate 36 located at the end 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 located on the side of the long rocker 21 away from the short rocker;
- An adjusting plate 37 is provided on the opposite side wall of the long rocking bar 21 and the short rocking bar 17; the adjusting screw hole 38 is provided on the adjusting plate 37; the adjusting screw hole 38 is screwed with an adjusting screw rod 39;
- the side wall of the short rocker 17 opposite to the long rocker 21 is provided with an unlocking plate 40 corresponding to the position of the adjusting plate 37 , and one end of the adjusting screw 39 passes out of the adjusting screw hole 38 and presses against the unlocking plate 40 .
- One end of the adjusting screw 39 pressed against the unlocking plate 40 is hemispherical.
- the end of the adjusting screw 39 that is not pressed against the unlocking plate 40 passes through the adjusting screw hole 38 and is screwed with a fastening nut 41 that fits the adjusting plate 37 .
- the upper surface of the power box 1 is provided with a locking groove 42 corresponding to the position of the second screw 13; the locking groove 42 is provided with a guide plate 43 matching it, and the striker 10 is located above the guide plate 43 and aligned with the guide
- the upper surface of the plate 43 is attached to each other; the rear part of the guide plate 43 protrudes backward out of the locking slot 42 and covers above the unlocking slot 29 .
- An arc-shaped guide surface 44 is provided on the left inner wall of the bayonet socket 20 ; a slide-out surface 45 matching the guide surface 44 is provided on the left side of the locking portion 1901 .
- a stopper 46 is provided on the front side of one end of the fixing part 11 fixed by the first screw 12 ;
- the using method of the present invention is as follows:
- the driving motor can be started.
- the driving motor When the driving motor is running, the driving motor will drive the connecting arm 5 to rotate through the reduction mechanism 2, thereby driving the eccentric shaft 6 to rotate.
- the output shaft 201 is rotated as the center, and finally the eccentric shaft 6 will go around the front side of the push plate 36 at the end of the long rocker 21, and hit the push plate 36, push the push plate 36 backward, and the long rocker 21 is hinged
- the push plate 36 is pushed backward, the long rocker 21 will rotate backward around the second screw 13, and the adjusting screw screwed on the adjustment plate 37 on the long rocker 21 39 is pressed against the unlocking plate 40 of the short rocker 17.
- the rotating shaft 47 rotates counterclockwise under the rotation of the short rocker 17, and the driving wheel is arranged on the upper end of the rotating shaft 47, and the driving wheel 22 will rotate counterclockwise along with the rotating shaft 47.
- the front edge of the driving wheel 22 The unlocking groove 29 will gradually approach the lifting hole.
- the side wall of the unlocking groove 29 adjacent to the lifting hole 28 moves to the bottom of the lifting hole 28.
- the locking steel ball 30 slides into the unlocking groove 29 along the side wall of the unlocking groove 29 adjacent to the lifting hole 28, and the unlocking groove 29 is surrounded by the inner wall of the rotating groove 14, so that the locking steel ball 30 can be effectively limited to the unlocking position. In the slot 29, it can only walk in the unlocking slot 29.
- the eccentric shaft 6 When the eccentric shaft 6 rotates, the eccentric shaft 6 will drive the lower piston 7 to move through the piston arm 8, thereby squeezing the gas in the lower cylinder 4 into the upper cylinder 3, thereby increasing the air pressure of the upper cylinder 3 and pushing the upper Piston 9 moves to the left. At this time, upper piston 9 will drive striker 10 to move to the left, and the nails in the nailing channel of the electric nail gun will be driven out from the nozzle of the electric nail gun to complete the nailing action.
- the striker 10 Under the condition of being restricted by the locking steel ball, as the striker 10 moves to the left, the striker 10 will apply the force of its own leftward movement to the locking part of the locking block 19 through the inner wall of the bayonet 20, and as the locking part 1901 is pushed to the left , the locking block 19 will rotate clockwise around the rotating boss 26, the locking part 1901 of the locking block 19 will leave the bayonet socket 20, and the locking block 19 will no longer restrict the movement of the striker 10 through the locking part 1901, because the fixing arm of the fixing part 11 31 is fixed, so when the locking block 19 rotates clockwise, the tension spring 32 is pulled and generates elasticity accordingly, and when the striker 10 completes the nailing action to reset, the tension spring 32 will use its own elasticity to help the locking block 19 Reset, so that the locking part 1901 on the locking block 19 is snapped into the bayonet 20 again, and the tension spring 32 only plays the role of resetting the locking block 19, and cannot press the locking part 1901 of the locking block 19 against the card by its own
- the short rocker 17 While the locking block 19 is reset, the short rocker 17 will be reset under the elastic action of the torsion spring 18, thereby driving the rotating shaft 47 to reset.
- the driving wheel 22 When the rotating shaft 47 is reset, the driving wheel 22 will be reset accordingly. Clockwise rotation, the unlocking groove 29 on the driving wheel 22 gradually moves forward, and the locking steel ball 30 will then move in the lifting hole 28, and finally move to the side wall of the unlocking groove 29 that was originally adjacent to the lifting hole.
- the groove wall is inclined toward the lifting hole 28, and the locking steel ball 30 will move along the inclined groove wall through the lifting hole 28 towards the locking block 19, and the locking steel ball 30 will run to the lower surface of the locking block 19 and contact with it.
- the wheel 22 stops resetting.
- the locking part 1901 on the locking block 19 touches the side 19 of the striker 10.
- the bayonet 20 is reset and returns to the locking position 1901
- the upper 1901 of the locking block 19 continues to counterclockwise under the action of the tension spring 32.
- the driving wheel 22 is completely reset, and the upper surface of the driving wheel 22 is pasted. Touching the steel ball 30, the locking block 19 is in a locked state, which has the effect of restricting the rotation of the locking block 19.
- the striker 10 continues to retreat, and the guide surface 44 on the striker 10 contacts the sliding surface 45 of the locking block 19. At this time, the striker 10 retreats completely and stops, thereby realizing the restriction of the locking block 19 on the striker 10, and playing a positioning role for the retreat of the striker 10.
- the wheel 22 is reset, the upper surface of the driving wheel 22 firmly presses the locking steel ball 30 into the spherical socket 27, effectively ensuring the stability when the locking portion 1901 of the locking block 19 locks the striker 10.
- the adjusting screw 39 can be rotated to move the adjusting screw 39 forward or backward along the thread track of the adjusting screw hole 38, thereby effectively adjusting the adjustment plate 37 on the long rocker 21 and the short rocker.
- the distance between the unlocking plates 40 on the rod 17 can change the position of the push plate 36 on the long rocker 21.
- the pusher at the end of the long rocker 21 will The more the plate 36 moves forward, the earlier the eccentric shaft 6 can push the push plate 36 when rotating, thereby unlocking the locking of the locking block 19 to the striker 10 in advance, the earlier the locking block 19 is unlocked, and the locking part 1901 of the locking block 19 is locked to the striker 10.
- 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 using elasticity to press the locking portion 1901 of the locking block 19 tightly into the bayonet 20 of the striker 10 to achieve the locking effect , effectively avoiding the situation that the locking part 1901 of the locking block 19 is worn out when the locking part 1901 of the locking block 19 is in contact with the bayonet socket 20 due to external force extrusion, thereby effectively ensuring the accuracy of the position of the striker 10 when it is locked by the locking part 1901 of the locking block 19 and ensuring nailing Quality, when the striker 10 moves, the locking part 1901 of the locking block 19 will automatically move out of the bayonet 20 under the drive of the striker 10 to realize the effect of automatic unlocking, and the nailing force adjustment device can effectively control the strike force of the striker 10 Adjustment, so as to realize the adjustment of the nailing force, so that the electric nail gun can adapt to different nailing needs, without replacing the entire driving motor, which can effectively save the cost of use
- the bottom of the rotating groove 14 is provided with a limiting groove 33 on one side of the upper end of the rotating hole 15.
- the limiting groove 33 is arc-shaped, and the lower surface of the driving wheel 22 is provided with a limiting column 34 matching the limiting groove 33.
- the presence of the position post 34 can ensure that the drive wheel 22 is accurately reset along the track of the limit groove 33 .
- a stop washer 35 is arranged between the rotating boss 26 and the head of the third screw 25.
- the outer diameter of the stop washer 35 is greater than the inner diameter of the locking block 19. This assembly method can ensure that the locking block 19 can rotate the boss 26 Stability when rotating around the center.
- One end of the adjustment screw 39 that is not pressed against the unlocking plate 40 passes out to the outside of the adjustment screw hole 38 and is screwed with a fastening nut 41 that fits the adjustment plate 37.
- the existence of the fastening nut 41 can effectively improve the adjustment screw 39. of stability.
- the upper surface of the power box 1 is provided with a locking slot 42 corresponding to the position of the second screw 13, and a matching guide plate 43 is provided in the locking slot 42.
- the striker 10 is located above the guide plate 43 and is aligned with the upper surface of the guide plate 43.
- the rear part of the guide plate 43 protrudes backwards out of the locking groove 42 and covers above the unlocking groove 29.
- the existence of the guide plate 43 can guide the striker 10 and improve the stability of the striker 10 when it moves.
- the inner wall on the left side of the bayonet socket 20 is provided with an arc-shaped guide surface 44, and the left side of the locking part 1901 is provided with a slide-out surface 45 matching the guide surface 44.
- the cooperation between the guide surface 44 and the slide-out surface 45 can make When the striker 10 pushes the locking part, the locking block 19 can leave the bayonet socket 20 more smoothly.
- a stopper 46 is provided on the front side of one end of the fixing part 11 fixed by the first screw 12, and a restricting part 1902 fitted to the stopper 46 is provided on the right side wall of the locking block 19, and the stopper 46 can be locked by the restricting part 1902.
- the position of the block 19 is limited to prevent the locking block 19 from excessively returning and colliding with the inner wall of the bayonet socket 20 when it is reset.
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Abstract
一种可调节电动钉枪打钉力度的锁定装置，包括动力箱（1）、设于动力箱（1）内的驱动电机以及设于动力箱（1）右侧的上气缸（3）、下气缸（4），下气缸（4）位于上下气缸（4）正下方，驱动电机通过减速机构（2）连接有连接臂（5），连接臂（5）端部设有偏心轴（6），下气缸（4）内设有下活塞（7），下活塞（7）上设有与其相铰接的活塞臂（8），活塞臂（8）连接于偏心轴（6）上，上气缸（3）内设有上活塞（9），上活塞（9）左侧侧壁中心设有撞针（10），撞针（10）左端穿出上气缸（3），上气缸（3）左侧设有一位于动力箱（1）上方的固定部（11）。该可调节电动钉枪打钉力度的锁定装置不仅能够起到锁定撞针（10）的效果，且能够有效避免锁定块（19）在锁定过程中不断碰撞卡口内壁导致磨损的情况，更能够根据实际所需对打钉力度进行调节。
Description
本发明涉及一种可调节电动钉枪打钉力度的锁定装置。
电动钉枪在使用时，通过撞针将处于打钉通道内的钉从电动钉枪的枪嘴打出，完成打钉动作，而电动钉枪在不使用时，则会通过锁定装置的锁定块将撞针锁死，若是要再次使用电动钉枪时，则需要主动打开锁定装置，撞针才能自由进行活动，这种解锁方式极为麻烦，严重影响打钉效率，且传统锁定装置通过弹簧的弹力将锁定块压紧于撞针的卡口内，这种锁定方式导致锁定块施加在撞针的卡口上的压力极大，在不断解锁与锁定的过程中，锁定块则会不断与卡口发生碰撞，导致两者表面出现磨损，影响撞针锁定时所在位置的精准性，从而影响打钉质量。
电动钉枪在实际打钉过程中，遭遇不同位置或者不同物品时，对打钉力度的要求往往也会不同，而打钉力度则是由电动钉枪的驱动电机决定，只能形成一个固定不变的打钉力度，无法调节打钉力度，若要改变打钉力度，只能将整个驱动电机进行更换，不仅更换极为麻烦，且更换成本极高。
发明内容
本发明要解决现有的技术问题是提供一种可调节电动钉枪打钉力度的锁定装置，它不仅能够起到锁定撞针的效果，且能够有效避免 锁定块在锁定过程中不断碰撞卡口内壁导致磨损的情况，更能够根据实际所需对打钉力度进行调节。
本发明解决上述技术问题采用的技术方案为：
本发明公开一种可调节电动钉枪打钉力度的锁定装置，包括动力箱、设于动力箱内的驱动电机以及设于动力箱右侧的上气缸、下气缸，下气缸位于上下气缸正下方，驱动电机通过减速机构连接有连接臂，连接臂端部设有偏心轴，下气缸内设有下活塞，下活塞上设有与其相铰接的活塞臂，活塞臂连接于偏心轴上，上气缸内设有上活塞，上活塞左侧侧壁中心设有撞针，撞针左端穿出上气缸，其特征在于：所述上气缸左侧设有一位于动力箱上方的固定部；所述固定部一端通过第一螺丝连接上气缸，固定部另一端通过第二螺丝固定于动力箱上；所述动力箱上表面后侧设有一旋转槽；所述旋转槽槽底设有一与动力箱内部空间相贯通的旋转孔；所述旋转孔内设有与其相匹配的旋转轴套，旋转轴套内设有与其相匹配的旋转轴；所述旋转轴下端向下穿入动力箱内部并设有一短摇杆；所述旋转轴套外套有一扭簧；所述扭簧一端固定于短摇杆上，扭簧另一端固定于动力箱内壁上；所述旋转轴上端设有旋转槽相匹配的自动解锁装置；所述自动解锁装置右侧设有与其相匹配的锁定块；所述撞针与锁定块相对的一侧侧壁设有一卡口；所述锁定块上设有与卡口相匹配的锁定部；所述第二螺丝下端穿入至动力箱内部空间并铰接有一长摇杆；所述长摇杆上设有与短摇杆相匹配的打钉力度调节装置。
所述自动解锁装置包括设于旋转轴上端的驱动轮，驱动轮位于旋 转槽内；所述动力箱上表面设有一与旋转槽相贯通的定位槽，定位槽位于旋转槽右侧；所述定位槽内设有一与其相匹配的锁定座，锁定座通过第三螺丝固定于定位槽内；所述锁定座上表面设有一旋转凸台；所述锁定块通过一设于其中心的活动孔套于旋转凸台外；所述锁定块下表面左侧设有一球型嵌槽；所述锁定座左部设有与球型嵌槽相贯通的升降孔；所述驱动轮前侧边沿设有一呈弧状的解锁槽，解锁槽邻近升降孔的一侧槽壁向着升降孔方向倾斜；所述锁定座左侧位于驱动轮上方并限制驱动轮向上窜动；所述升降孔内设有一锁定钢珠，锁定钢珠下端与驱动轮上表面相贴合，锁定钢珠上端嵌入至球型嵌槽内；所述固定部左侧侧壁设有一固定臂；所述固定臂与锁定块左部之间通过一拉簧相连接。
所述旋转槽槽底设有一位于旋转孔上端孔口一侧的限位槽，限位槽呈弧状；所述驱动轮下表面设有一与限位槽相匹配的限位柱。
所述旋转凸台与第三螺丝的头部的之间设有一限位垫片，限位垫片外径大于锁定块内径。
所述打钉力度调节装置包括设于长摇杆端部的推板，推板位置与偏心轴位置相对应，推板位于长摇杆远离短摇杆的一侧；所述长摇杆与短摇杆相对的一侧侧壁设有一调节板；所述调节板上设有调节螺孔；所述调节螺孔螺接有一调节螺杆；所述短摇杆与长摇杆相对的一侧侧壁设有与调节板位置相对应的解锁板，调节螺杆一端穿出至调节螺孔外并抵压在解锁板上。
所述调节螺杆抵压在解锁板上的一端呈半球状。
所述调节螺杆未抵压在解锁板上的一端穿出至调节螺孔外并螺接有一与调节板相贴合的紧固螺母。
所述动力箱上表面设有与第二螺丝位置相对应的卡位槽；所述卡位槽内设有与其相匹配的导向板，撞针位于导向板上方并与导向板上表面相贴合；所述导向板后部向后凸出至卡位槽外并覆盖于解锁槽上方。
所述卡口左侧内壁设有一呈弧状的导引面；所述锁定部左侧设有与导引面相匹配的滑出面。
所述固定部被第一螺丝固定的一端前侧设有一挡块；所述锁定块右侧侧壁设有一与挡块相贴合的限制部。
本发明的有益效果是：
与现有技术相比，采用本发明结构的可调节电动钉枪打钉力度的锁定装置利用自动解锁装置的锁定钢珠对锁定块的位置进行限制，而非利用弹性将锁定块的锁定部紧压在撞针的卡口内实现锁定效果，有效避免外力挤压易导致锁定块的锁定部与卡口接触时出现磨损的情况，从而有效保证撞针被锁定块的锁定部锁定时的位置的精准性，保证打钉质量，当撞针移动时，锁定块的锁定部则会在撞针的带动下自动移出卡口，实现自动解锁的效果，且打钉力度调节装置能够对撞针的撞击力度进行有效调节，从而实现打钉力度的调节，使电动钉枪能够适应不同的打钉需求，无需更换整个驱动电机，能够有效节约使用成本。
图1是本发明可调节电动钉枪打钉力度的锁定装置的结构示意图；
图2是本发明可调节电动钉枪打钉力度的锁定装置的局部的结构示意图；
图3是打钉力度调节装置的一个角度的结构示意图；
图4是打钉力度调节装置的另一个角度的结构示意图；
图5是本发明可调节电动钉枪打钉力度的锁定装置的立体图；
图6是本发明可调节电动钉枪打钉力度的锁定装置的剖面图；
图7是本发明可调节电动钉枪打钉力度的锁定装置的局部的一个剖面视角的剖面图；
图8是本发明可调节电动钉枪打钉力度的锁定装置的局部的另一个剖面视角的剖面图；
图9是自动解锁装置的结构示意图。
下面结合附图和具体实施方式对本发明作进一步详细的说明：
请参阅图1至图9，本发明提供一种可调节电动钉枪打钉力度的锁定装置，包括动力箱1、设于动力箱1内的驱动电机以及设于动力箱1右侧的上气缸3、下气缸4，下气缸4位于上下气缸4正下方，驱动电机通过减速机构2连接有连接臂5，连接臂5端部设有偏心轴6，下气缸4内设有下活塞7，下活塞7上设有与其相铰接的活塞臂8，活塞臂8连接于偏心轴6上，上气缸3内设有上活塞9，上活塞9左侧侧壁中心设有撞针10，撞针10左端穿出上气缸3，所述上气缸3 左侧设有一位于动力箱1上方的固定部11；所述固定部11一端通过第一螺丝12固定于上气缸3上，固定部11另一端通过第二螺丝13固定于动力箱1上；所述动力箱1上表面后侧设有一旋转槽14；所述旋转槽14槽底设有一与动力箱1内部空间相贯通的旋转孔15；所述旋转孔15内设有与其相匹配的旋转轴套16，旋转轴套16内设有与其相匹配的旋转轴47；所述旋转轴47下端向下穿入动力箱1内部并设有一短摇杆17；所述旋转轴套16外套有一扭簧18；所述扭簧18一端固定于短摇杆17上，扭簧18另一端固定于动力箱1内壁上；所述旋转轴47上端设有旋转槽14相匹配的自动解锁装置；所述自动解锁装置右侧设有与其相匹配的锁定块19；所述撞针10与锁定块19相对的一侧侧壁设有一卡口20；所述锁定块19上设有与卡口20相匹配的锁定部1901；所述第二螺丝13下端穿入至动力箱1内部空间并铰接有一长摇杆21；所述长摇杆21上设有与短摇杆17相匹配的打钉力度调节装置。
所述自动解锁装置包括设于旋转轴47上端的驱动轮22，驱动轮22位于旋转槽14内；所述动力箱1上表面设有一与旋转槽14相贯通的定位槽23，定位槽23位于旋转槽14右侧；所述定位槽23内设有一与其相匹配的锁定座24，锁定座24通过第三螺丝25固定于定位槽23内；所述锁定座24上表面设有一旋转凸台26；所述锁定块19通过一设于其中心的活动孔1903套于旋转凸台26外；所述锁定块19下表面左侧设有一球型嵌槽27；所述锁定座24左部设有与球型嵌槽27相贯通的升降孔28；所述驱动轮22前侧边沿设有一呈弧 状的解锁槽29，解锁槽29邻近升降孔28的一侧槽壁向着升降孔28方向倾斜；所述锁定座24左侧位于驱动轮22上方并限制驱动轮22向上窜动；所述升降孔28内设有一锁定钢珠30，锁定钢珠30下端与驱动轮22上表面相贴合，锁定钢珠30上端嵌入至球型嵌槽27内；所述固定部11左侧侧壁设有一固定臂31；所述固定臂31与锁定块19左部之间通过一拉簧32相连接。
所述旋转槽14槽底设有一位于旋转孔15上端孔口一侧的限位槽33，限位槽33呈弧状；所述驱动轮22下表面设有一与限位槽33相匹配的限位柱34。
所述旋转凸台26与第三螺丝25的头部的之间设有一限位垫片35，限位垫片35外径大于锁定块19内径。
所述打钉力度调节装置包括设于长摇杆21端部的推板36，推板36位置与偏心轴6位置相对应，推板36位于长摇杆21远离短摇杆的一侧；所述长摇杆21与短摇杆17相对的一侧侧壁设有一调节板37；所述调节板37上设有调节螺孔38；所述调节螺孔38螺接有一调节螺杆39；所述短摇杆17与长摇杆21相对的一侧侧壁设有与调节板37位置相对应的解锁板40，调节螺杆39一端穿出至调节螺孔38外并抵压在解锁板40上。
所述调节螺杆39抵压在解锁板40上的一端呈半球状。
所述调节螺杆39未抵压在解锁板40上的一端穿出至调节螺孔38外并螺接有一与调节板37相贴合的紧固螺母41。
所述动力箱1上表面设有与第二螺丝13位置相对应的卡位槽42； 所述卡位槽42内设有与其相匹配的导向板43，撞针10位于导向板43上方并与导向板43上表面相贴合；所述导向板43后部向后凸出至卡位槽42外并覆盖于解锁槽29上方。
所述卡口20左侧内壁设有一呈弧状的导引面44；所述锁定部1901左侧设有与导引面44相匹配的滑出面45。
所述固定部11被第一螺丝12固定的一端前侧设有一挡块46；所述锁定块19右侧侧壁设有一与挡块46相贴合的限制部1902。
本发明的使用方法如下：
电动钉枪需要打钉时，则可启动驱动电机，当驱动电机运行时，驱动电机则会通过减速机构2带动连接臂5旋转，从而带动偏心轴6旋转，随着偏心轴6以减速机构2的输出轴201为中心进行旋转，最终偏心轴6则会绕到长摇杆21端部的推板36前侧，并撞击在推板36，向后推动推板36，而长摇杆21铰接于第二螺丝13下端，当推板36被向后推动时，长摇杆21则会以第二螺丝13为中心向后旋转，而长摇杆21上的调节板37上螺接的调节螺杆39抵压在短摇杆17的解锁板40上，当长摇杆21向后旋转时，短摇杆17则会在调节螺杆39的推动下向后旋转，而短摇杆17固定于旋转轴47下端，旋转轴47则会随着短摇杆17发生旋转，此时套于旋转轴套16外的扭簧18在短摇杆17的旋转带动下发生变形并产生弹性。
旋转轴47在短摇杆17旋转带动下呈逆时针旋转，而驱动轮设于旋转轴47上端，驱动轮22则会随着旋转轴47进行逆时针旋转，此时驱动轮22前侧边沿的解锁槽29则会逐渐靠近升降孔，首先解锁槽 29邻近升降孔28的一侧槽壁移动至升降孔28下方，解锁槽29该侧槽壁向着升降孔28方向倾斜，原先处于升降孔28内的锁定钢珠30顺着解锁槽29邻近升降孔28的一侧槽壁滑入至解锁槽29内，而解锁槽29外被旋转槽14内壁围合在内，能够将锁定钢珠30有效限制在解锁槽29内，使其只能在解锁槽29内走动，在锁定钢珠30在解锁槽29内走动时，锁定钢珠30上部始终处于升降孔28内，当锁定钢珠30从升降孔28内进入至解锁槽29内后，锁定钢珠30上端便不再嵌于锁定块19下表面的球型嵌槽27内，锁定钢珠30不再对锁定块19的旋转进行限制。
当偏心轴6发生旋转时，偏心轴6则会通过活塞臂8带动下活塞7进行移动，从而将下气缸4内的气体挤入至上气缸3内，从而增大上气缸3的气压，推动上活塞9向左移动，此时上活塞9则会带动撞针10左移，将电动钉枪的打钉通道内的钉从电动钉枪的枪嘴打出，完成打钉动作，在锁定块19不再被锁定钢珠限制的情况下，随着撞针10左移，撞针10则会将自身左移的力通过卡口20的内壁施加于锁定块19的锁定部上，随着锁定部1901被向左推动，锁定块19则会以旋转凸台26为中心顺时针旋转，锁定块19的锁定部1901离开卡口20，锁定块19不再通过锁定部1901限制撞针10移动，由于固定部11的固定臂31固定不动，因此当锁定块19顺时针旋转时，拉簧32随之被拉动并产生弹性，当撞针10完成打钉动作进行复位时，拉簧32则会利用自身的弹性帮助锁定块19复位，使锁定块19上的锁定部1901再次卡入至卡口20内，而拉簧32仅起到复位锁定块19 的作用，无法通过自身弹性将锁定块19的锁定部1901紧压在卡口20内，避免锁定块19的锁定部1901利用弹性紧压在卡口20内易造成磨损的情况。
在锁定块19复位的同时，短摇杆17则会在扭簧18的弹性作用下复位，从而带动旋转轴47复位，当旋转轴47复位时，驱动轮22随之复位，此刻驱动轮22顺时针旋转，驱动轮22上的解锁槽29逐渐向前移动，锁定钢珠30则会随之在升降孔28内进行移动，最终移动至解锁槽29原先邻近升降孔的一侧槽壁，而该侧槽壁向着升降孔28方向倾斜，锁定钢珠30则会顺着倾斜的槽壁经升降孔28朝锁定块19方向运动，锁定钢珠30运行至锁定块19下表面处，与之接触，此动驱动轮22停止复位，此时锁定块19上锁定部1901触碰在撞针10侧面19上，当卡口20复位退回至锁定位1901处时，锁定块19上1901在拉簧32作用下继续逆时针运动，继而刚好进入卡口20处，而锁定钢珠30原先处于升降孔28内的上部重新嵌入至锁定块19下表面的球型嵌槽27内，驱动轮22完全复位，驱动轮22上表面贴着钢珠30，锁定块19处于锁定状态，起到限制锁定块19旋转的效果，此时撞针10还在继续回退，撞针10上的导引面44接触到锁定块19的滑出面45，此时撞针10回退完全停止，从而实现锁定块19对撞针10的限制，对撞针10回退起到定位作用，不会使撞针10无限后退撞击上气缸3本体而导致上气缸3损坏，当驱动轮22复位时，驱动轮22上表面将锁定钢珠30牢牢的抵压在球型嵌槽27内，有效保证锁定块19的锁定部1901对撞针10锁定时的稳定性。
需要对打钉力度进行调节时，可旋动调节螺杆39，使调节螺杆39顺着调节螺孔38的螺纹轨迹前移或者后移，从而有效调节长摇杆21上的调节板37与短摇杆17上的解锁板40之间的间距，从而改变长摇杆21上的推板36的位置，当调节板37与解锁板40之间的间距越大时，长摇杆21端部的推板36便越往前，偏心轴6在旋转时便能越早推动推板36，从而提前解锁锁定块19对撞针10的锁定，锁定块19越早被解锁，锁定块19的锁定部1901对撞针10的阻力越小，当锁定块19越晚被解锁，锁定块19的锁定部1901对撞针10的阻力越大，撞针10的力越大，撞针10撞击钉子的力度便越大，从而实现对打钉力度的调节。
综上所述可知，本发明利用自动解锁装置的锁定钢珠30对锁定块19的位置进行限制，而非利用弹性将锁定块19的锁定部1901紧压在撞针10的卡口20内实现锁定效果，有效避免外力挤压易导致锁定块19的锁定部1901与卡口20接触时出现磨损的情况，从而有效保证撞针10被锁定块19的锁定部1901锁定时的位置的精准性，保证打钉质量，当撞针10移动时，锁定块19的锁定部1901则会在撞针10的带动下自动移出卡口20，实现自动解锁的效果，且打钉力度调节装置能够对撞针10的撞击力度进行有效调节，从而实现打钉力度的调节，使电动钉枪能够适应不同的打钉需求，无需更换整个驱动电机，能够有效节约使用成本。
旋转槽14槽底设有一位于旋转孔15上端孔口一侧的限位槽33，限位槽33呈弧状，驱动轮22下表面设有一与限位槽33相匹配的限 位柱34，限位柱34的存在能够保证驱动轮22顺着限位槽33的轨迹准确复位。
旋转凸台26与第三螺丝25的头部的之间设有一限位垫片35，限位垫片35外径大于锁定块19内径，这种装配方式能够保证锁定块19以旋转凸台26为中心进行旋转时的稳定性。
调节螺杆39未抵压在解锁板40上的一端穿出至调节螺孔38外并螺接有一与调节板37相贴合的紧固螺母41，紧固螺母41的存在能够有效提高调节螺杆39的稳固性。
动力箱1上表面设有与第二螺丝13位置相对应的卡位槽42，卡位槽42内设有与其相匹配的导向板43，撞针10位于导向板43上方并与导向板43上表面相贴合，导向板43后部向后凸出至卡位槽42外并覆盖于解锁槽29上方，导向板43的存在能够对撞针10起到导向作用，提高撞针10移动时的稳定性。
卡口20左侧内壁设有一呈弧状的导引面44，锁定部1901左侧设有与导引面44相匹配的滑出面45，导引面44与滑出面45之间的配合，能够使撞针10推动锁定部时锁定块19能够更加顺畅的离开卡口20。
固定部11被第一螺丝12固定的一端前侧设有一挡块46，锁定块19右侧侧壁设有一与挡块46相贴合的限制部1902，挡块46能够通过限制部1902对锁定块19的位置进行限制，避免锁定块19复位时回位过度与卡口20内壁发生碰撞的情况。
Claims (10)
- 一种可调节电动钉枪打钉力度的锁定装置，包括动力箱、设于动力箱内的驱动电机以及设于动力箱右侧的上气缸、下气缸，下气缸位于上下气缸正下方，驱动电机通过减速机构连接有连接臂，连接臂端部设有偏心轴，下气缸内设有下活塞，下活塞上设有与其相铰接的活塞臂，活塞臂连接于偏心轴上，上气缸内设有上活塞，上活塞左侧侧壁中心设有撞针，撞针左端穿出上气缸，其特征在于：所述上气缸左侧设有一位于动力箱上方的固定部；所述固定部一端通过第一螺丝与第二螺丝连接上气缸；所述动力箱上表面后侧设有一旋转槽；所述旋转槽槽底设有一与动力箱内部空间相贯通的旋转孔；所述旋转孔内设有与其相匹配的旋转轴套，旋转轴套内设有与其相匹配的旋转轴；所述旋转轴下端向下穿入动力箱内部并设有一短摇杆；所述旋转轴套外套有一扭簧；所述扭簧一端固定于短摇杆上，扭簧另一端固定于动力箱内壁上；所述旋转轴上端设有旋转槽相匹配的自动解锁装置；所述自动解锁装置右侧设有与其相匹配的锁定块；所述撞针与锁定块相对的一侧侧壁设有一卡口；所述锁定块上设有与卡口相匹配的锁定部；所述第二螺丝下端穿入至动力箱内部空间并铰接有一长摇杆；所述长摇杆上设有与短摇杆相匹配的打钉力度调节装置。
- 根据权利要求1所述的一种可调节电动钉枪打钉力度的锁定装置，其特征在于：所述自动解锁装置包括设于旋转轴上端的驱动轮，驱动轮位于旋转槽内；所述动力箱上表面设有一与旋转槽相贯通的定位槽，定位槽位于旋转槽右侧；所述定位槽内设有一与 其相匹配的锁定座，锁定座通过第三螺丝固定于定位槽内；所述锁定座上表面设有一旋转凸台；所述锁定块通过一设于其中心的活动孔套于旋转凸台外；所述锁定块下表面左侧设有一球型嵌槽；所述锁定座左部设有与球型嵌槽相贯通的升降孔；所述驱动轮前侧边沿设有一呈弧状的解锁槽，解锁槽邻近升降孔的一侧槽壁向着升降孔方向倾斜；所述锁定座左侧位于驱动轮上方并限制驱动轮向上窜动；所述升降孔内设有一锁定钢珠，锁定钢珠下端与驱动轮上表面相贴合，锁定钢珠上端嵌入至球型嵌槽内；所述固定部左侧侧壁设有一固定臂；所述固定臂与锁定块左部之间通过一拉簧相连接。
- 根据权利要求2所述的一种可调节电动钉枪打钉力度的锁定装置，其特征在于：所述旋转槽槽底设有一位于旋转孔上端孔口一侧的限位槽，限位槽呈弧状；所述驱动轮下表面设有一与限位槽相匹配的限位柱。
- 根据权利要求2所述的一种可调节电动钉枪打钉力度的锁定装置，其特征在于：所述旋转凸台与第三螺丝的头部的之间设有一限位垫片，限位垫片外径大于锁定块内径。
- 根据权利要求1所述的一种可调节电动钉枪打钉力度的锁定装置，其特征在于：所述打钉力度调节装置包括设于长摇杆端部的推板，推板位置与偏心轴位置相对应，推板位于长摇杆远离短摇杆的一侧；所述长摇杆与短摇杆相对的一侧侧壁设有一调节板；所述调节板上设有调节螺孔；所述调节螺孔螺接有一调节螺杆； 所述短摇杆与长摇杆相对的一侧侧壁设有与调节板位置相对应的解锁板，调节螺杆一端穿出至调节螺孔外并抵压在解锁板上。
- 根据权利要求5所述的一种可调节电动钉枪打钉力度的锁定装置，其特征在于：所述调节螺杆抵压在解锁板上的一端呈半球状。
- 根据权利要求5所述的一种可调节电动钉枪打钉力度的锁定装置，其特征在于：所述调节螺杆未抵压在解锁板上的一端穿出至调节螺孔外并螺接有一与调节板相贴合的紧固螺母。
- 根据权利要求1所述的一种可调节电动钉枪打钉力度的锁定装置，其特征在于：所述动力箱上表面设有与第二螺丝位置相对应的卡位槽；所述卡位槽内设有与其相匹配的导向板，撞针位于导向板上方并与导向板上表面相贴合；所述导向板后部向后凸出至卡位槽外并覆盖于解锁槽上方。
- 根据权利要求1所述的一种可调节电动钉枪打钉力度的锁定装置，其特征在于：所述卡口左侧内壁设有一呈弧状的导引面；所述锁定部左侧设有与导引面相匹配的滑出面。
- 根据权利要求1所述的一种可调节电动钉枪打钉力度的锁定装置，其特征在于：所述固定部被第一螺丝固定的一端前侧设有一挡块；所述锁定块右侧侧壁设有一与挡块相贴合的限制部。
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