CN108656027A - Nail gun - Google Patents
Nail gun Download PDFInfo
- Publication number
- CN108656027A CN108656027A CN201710193802.2A CN201710193802A CN108656027A CN 108656027 A CN108656027 A CN 108656027A CN 201710193802 A CN201710193802 A CN 201710193802A CN 108656027 A CN108656027 A CN 108656027A
- Authority
- CN
- China
- Prior art keywords
- chamber
- piston
- chamber portion
- cylinder
- nail gun
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- B25C1/04—Hand-held nailing tools; Nail feeding devices operated by fluid pressure, e.g. by air pressure
- B25C1/047—Mechanical details
-
- 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
Abstract
The invention discloses a kind of nail guns, including：First cylinder, the second cylinder, striker and driving device, first cylinder includes the first cylinder wall and first piston for being formed with first chamber, second cylinder includes the second cylinder wall and second piston for being formed with second chamber, and driving device includes the actuator for driving first piston；First piston includes：Connect the first surface and second surface of actuator；Second piston includes：Connect the third surface and the 4th surface of striker；First chamber is divided by first piston：The first chamber portion of the side of first surface is set positioned at first piston and positioned at the second chamber portion of the other side；Second chamber is divided by second piston：Positioned at the third chamber portion of the side on second piston setting third surface and positioned at the 4th chamber portion of the other side；Nail gun is also formed with：It is connected to second chamber portion and first gas channel in the 4th chamber portion and the second gas channel for being connected to first chamber portion and third chamber portion.The nail hitting effect of the nail gun is good.
Description
Technical field
The present invention relates to a kind of electric tools, and in particular to a kind of nail gun.
Background technology
Nail gun can generate an impact force for acting on nail, be beaten to impact nail as a kind of power tool
Enter in workpiece.
Nail gun generally includes：Shell, cylinder, piston, striker, prime mover and beater mechanism.On the one hand, existing impact
Mechanism is in order to enable piston obtains larger momentum in impact process, it usually needs increases the stroke of piston motion, to meeting
The volume for increasing cylinder, is unfavorable for the miniaturization of nail gun；On the other hand, in order to reduce cylinder to reduce the size of nail gun, usually
The stroke of piston motion can be reduced, the impact force of nail gun can be made inadequate again in this way, nail hitting effect is poor.
Invention content
To solve the deficiencies in the prior art, the purpose of the present invention is to provide a kind of nail guns that nail hitting effect is good.
In order to realize that above-mentioned target, the present invention adopt the following technical scheme that：
A kind of nail gun, including：Shell, prime mover, the first cylinder, the second cylinder, striker and driving device, prime mover are arranged in shell
In vivo, the first cylinder includes surrounding the first cylinder wall for being formed with first chamber and the first piston being arranged in first chamber,
Second cylinder include around be formed with second chamber the second cylinder wall and the second piston being arranged in second chamber, striker with
Second piston connects, and driving device includes the actuator for driving first piston to be moved back and forth in first chamber；First lives
Plug includes：Connect the first surface of actuator and the second surface opposite with first surface；Second piston includes：Connect striker
Third surface and fourth surface opposite with third surface；First chamber is divided by first piston：It is arranged positioned at first piston
The first chamber portion of the side of first surface and positioned at first piston be arranged second surface side second chamber portion；Second chamber
Room is divided by second piston：It is set positioned at the third chamber portion of the side on second piston setting third surface and positioned at second piston
Set the 4th chamber portion of the side on the 4th surface；Nail gun is also formed with：It is connected to first gas in second chamber portion and the 4th chamber portion
Circulation road and the second gas channel for being connected to first chamber portion and third chamber portion.
Further, the first cylinder is also formed with：The first opening for making first chamber be connected to extraneous composition；Second cylinder
It is also formed with：The second opening for making second chamber be connected to extraneous composition.
Further, nail gun further includes：For controlling the first switch and be used to control second whether the first opening is opened
Be open the second switch whether opened.
Further, nail gun further includes：For to first switch and/or second switch power supply for electric installation.
Further, nail gun further includes：For control for electric installation whether the control powered to first switch and the second switch
Device processed.
Further, first switch is solenoid valve.
Further, second switch is solenoid valve.
Further, the first opening and the second opening also make the position on the first cylinder and the second cylinder respectively：When
First opening can be such that the sealing space that second chamber portion, the first gas channel and the 4th chamber portion are constituted is connected to external world's composition
When, then the second opening can make the sealing space that first chamber portion, the second gas channel and third chamber portion are constituted and extraneous structure
At connection；And when the first opening can make the sealing space that first chamber portion, the second gas channel and third chamber portion are constituted with it is outer
When boundary constitutes connection, then the second opening can make the sealing space that second chamber portion, the first gas channel and the 4th chamber portion are constituted
It is connected to external world's composition.
Further, the direction that first piston moves back and forth in first chamber is reciprocal in second chamber with second piston
The direction of movement is mutually parallel.
Further, the first cylinder and the second cylinder are arranged in parallel.
The invention has the beneficial effects that the nail hitting effect of the nail gun is good.
Description of the drawings
Fig. 1 is the structural schematic diagram as the first embodiment of the nail gun of the present invention；
Fig. 2 is the sectional view of the nail gun in Fig. 1；
Fig. 3 is the sectional view of the percussion mechanism in Fig. 2；
Fig. 4 is the sectional view of the percussion mechanism in the second embodiment as the nail gun of the present invention；
Fig. 5 is the sectional view of the percussion mechanism in the 3rd embodiment as the nail gun of the present invention；
Fig. 6 is the sectional view of the percussion mechanism in the fourth embodiment as the nail gun of the present invention.
Specific implementation mode
Nail gun 100 shown in FIG. 1 is used to generate impact force to nail, and work piece is incident upon to impact nail.
As depicted in figs. 1 and 2, nail gun 100 includes：Shell 101, prime mover 102, energy source 103, driving device 104, punching
Hit device 10, striker 105, locking device 106 and staple cartridge 107, wherein percussion mechanism 10 includes：First cylinder 11 and second
Cylinder 12, staple cartridge 107 is for accommodating nail.
Shell 101 is for accommodating prime mover 102, driving device 104 and percussion mechanism 10 etc., the external connection of shell 101
Staple cartridge 107.Specifically, shell 101 is formed with handle portion 101a, the first receiving portion 101b and the second receiving portion 101c, wherein
First receiving portion 101b is for accommodating percussion mechanism 10, and the second receiving portion 101c is for accommodating prime mover 102.Handle portion 101a and
Second receiving portion 101c is respectively arranged at the both ends of the first receiving portion 101b, and handle portion 101a and the second receiving portion 101c is
The direction that the both ends of one receiving portion 101b are directed away from the first receiving portion 101b extends.
Prime mover 102 is arranged in the second receiving portion 101c, specifically, the prime mover 102 can be motor, motor packet
Include the motor shaft 102a for exporting power.Energy source 103 is used to provide the energy, for motor, the energy to prime mover 102
Amount source 103 can provide electric energy to motor, such as in the present embodiment, the energy source 103 is can provide electric energy to motor
Battery pack, battery pack are removably bound to the one end of handle portion 101a far from the first receiving portion 101b.
Transmission of the driving device 104 for realizing power between prime mover 102 and percussion mechanism 10, the driving device
104 can specifically include reduction assemblies and crank rod assembly.Wherein, reduction assemblies may include multiple-stage planetary gear train
104a, crank rod assembly include the actuator 104b for exporting power to percussion mechanism 10.
As shown in Figure 1 to Figure 3, percussion mechanism 10 includes the first cylinder 11 and the second cylinder 12, and the first cylinder 11 includes the
One cylinder wall 111 and first piston 112, the second cylinder 12 include the second cylinder wall 121 and second piston 122.First cylinder wall
111 around first chamber 113 is formed with, and first piston 112 is arranged in first chamber 113.First piston 112 is gone back and actuator
104b constitutes connection, and 112 110 directions of energy driven member 104b drives edges first straight line of first piston are past in first chamber 113
Multiple movement.Along 110 direction of first straight line, first piston 112 further includes the first surface 112a being connect with actuator 104b
The second surface 112b opposite with first surface 112a.Along 110 direction of first straight line, first chamber 113 is also by first
Piston 112 is divided into the first chamber portion 113a for being located at 112 both sides of first piston and second chamber portion 113b, wherein the
One chamber portion 113a is located at the side that first surface 112a is arranged in first piston 112, and second chamber portion 113b is located at first piston
The side of 112 setting second surface 112b.Second cylinder wall 121 is arranged around second chamber 123, second piston 122 is formed with
In second chamber 123.Second piston 122 is also constituted with striker 105 and is connected, and second piston 122 can be along 120 direction of second straight line
It is moved back and forth in second chamber 123, to drive striker 105 to realize nailing function.Along 120 direction of second straight line,
Two pistons 122 further include the third surface 122a connected with striker 105 the and fourth surface 122b opposite with third surface 122a.
Along 120 direction of second straight line, second chamber 123 is also divided by second piston 122 and is located at 122 both sides of second piston
Third chamber portion 123a and the 4th chamber portion 123b, wherein third chamber portion 123a is located at the setting third of second piston 122
The side of surface 122a, the 4th chamber portion 123b are located at the side of the 4th surface 122b of setting of second piston 122.
In the present embodiment, the first cylinder 11 and the second cylinder 12 are arranged in parallel, and first piston 112 is in first chamber
The second straight line that 110 direction of first straight line moved back and forth in 113 is moved back and forth with second piston 122 in second chamber 123
120 directions are mutually parallel.Still further, the first cylinder wall 111 is enclosed along the circumference of a line centered on first straight line 110
Around forming first chamber 113, the second cylinder wall 121 is along line centered on second straight line 120 circumferentially around forming second
Chamber 123.
Striker 105 is fixedly connected with second piston 122, and locking device 106 is used to lock or discharge the fortune of striker 105
It is dynamic.When locking device 106 locks the movement of striker 105, entirety that striker 105 and second piston 122 are constituted then cannot be the
It is moved back and forth in two chambers 123；When locking device 106 discharges the movement of striker 105, striker 105 is constituted with second piston 122
Entirety can then move back and forth in the second chamber 123.
As shown in Figure 1 to Figure 3, the first cylinder 11 further includes first end cap 114, and the second cylinder 12 further includes second end cover
Portion 124, wherein first end cap 114 is used to close the first cylinder in one end of the separate actuator 104b of the first cylinder wall 111
11, second end cap 124 is used to close the second cylinder 12 in one end of the separate striker 105 of the second cylinder wall 121.In this implementation
In example, first end cap 114 and second end cap 124 are integrally formed, in other words, first end cap 114 and second end cap
124 end caps 13 being arranged in the side of the separate driving device 104 of the first cylinder 11 and the second cylinder 12 by one are formed.
As shown in Figures 2 and 3, it is also formed with connection second chamber portion 113b's and the 4th chamber portion 123b at end cap 13
First gas channel 131 and connection second chamber portion 113b and the second extraneous gas channel 132.Still further,
One cylinder 11 is respectively equipped with the first opening 115 and second opening 116, and the second cylinder 12 is formed with third opening 125, wherein the
One opening 115 and third opening 125 be respectively used to so that the both ends of the first gas channel 131 be connected to second chamber portion 113b with
4th chamber portion 123b, the second opening 116 is for so that the second gas channel 132 is connected to second chamber portion 113b.It that is to say
It says, the both ends of the first gas channel 131 are connect with the first opening 115 and third opening 125 respectively, the second gas channel 132
Both ends are connect with the second opening 116 and the external world respectively.In this way, the gas in second chamber portion 113b can pass through the first air-flow
Channel 131 is compressed into the 4th chamber portion 123b, while the gas in second chamber portion 113b can also pass through the second gas
Circulation road 132 is supplemented from the external world.
Nail gun 100 further includes switch module, and the switch module is for controlling the first gas channel 131 and/or the second air-flow
Whether channel 132 is connected, and in the present embodiment, which controlled by electric power, and nail gun 100 further includes for opening
Close component provide electric power for electric installation.Specifically, in the present embodiment, switch module includes：First solenoid valve 14 and
Two solenoid valves 15, the first solenoid valve 14 is for controlling whether the first gas channel 131 is connected, and second solenoid valve 15 is for controlling the
Whether two gas channels 132 are connected.In order to control the first solenoid valve 14 and second solenoid valve 15, nail gun 100 further includes for controlling
Whether system gives the controller that the first solenoid valve 14 and second solenoid valve 15 are powered for electric installation.
In this way, when first piston 112 moves back and forth in the first chamber 113, enable to second chamber portion 113b and
Air-flow in 4th chamber portion 123b mutually flows, and can be mended into second chamber portion 113b by the second gas channel 132
Inflatable body completes one-shot during institute to which user can control second piston 122 as needed in percussion mechanism 10
The maximum thrust of acquisition, and then can still increase no need to increase 100 size of nail gun the hitting power of nail gun 100.
Furthermore when the hitting power without increasing nail gun 100, technical scheme of the present invention can reduce the first cylinder 11 and the second cylinder
12 volume is conducive to the miniaturization of nail gun 100 to reduce the size of nail gun 100.
For convenience of explanation, as shown in figure 3, defined below be parallel to 110 direction of first straight line by first piston 112 on edge
The side for being directed toward actuator 104b be after, before the other side is, it is P0 also to define extraneous standard atmospheric pressure.
Lower mask body introduces the process that the percussion mechanism 10 in the present embodiment completes one-shot：When original state, first
Rearmost end of the piston 112 in first chamber 113, at this time controller control are powered to the first solenoid valve 14 for electric installation and are not given
Second solenoid valve 15 is powered, then the first gas channel 131 is connected and the second gas channel 132 is not turned on；Then, first piston
112 travel forward along 110 direction of first straight line until moving to the front end of first chamber 113, at this moment, second chamber portion 113b
Gas be compressed into the 4th chamber portion 123b, the air pressure in the 4th chamber portion 123b increases to the P more than standard atmospheric pressure P0；
Then, when the beginning of first piston 112 moves from the front to the back, at this moment under the action of controller, the first electromagnetism is not given for electric installation
Valve 14 powers and powers to second solenoid valve 15, to, the first gas channel 131 is not turned on and the second gas channel 132 is connected,
At this moment second chamber portion 113b is by the second 116 make-up gas of opening, until the movement in first chamber 113 of first piston 112
To rearmost end；Then, under the action of controller, the first solenoid valve 14 is not given to power and not to second solenoid valve 15 for electric installation
Power supply, at this moment, first piston 112 again back to front movement until second chamber portion 113b in air pressure increase to P, then control
Device processed controls again powers for electric installation to the first solenoid valve 14 so that the first gas channel 131 is connected, then second chamber portion
Gas in 113b is compressed into again in the 4th chamber portion 123b, and the at this moment air pressure in the 4th chamber portion 123b substantially increases to
2P；Then, then control locking device 106 and release locking to striker 105,122 moment of second piston obtain one it is bigger
Momentum drives striker 105 to impact nail and completes to hit, in addition, being also provided with one on the second cylinder wall 121 by check valve control
The air stream outlet 16 of system, so that air pressure drop in the 4th chamber portion 123b is down to standard atmospheric pressure P0；Finally, first piston
112 move from front to back, while controller control is powered to the first solenoid valve 14 for electric installation and do not supplied to second solenoid valve 15
Electricity, at this moment, the air pressure in the 4th chamber portion 123b are less than the air pressure in third chamber portion 123a, and second piston 122 resets.Ability
Domain personnel by control first piston 112 in percussion mechanism 10 it should be understood that as needed, can complete the mistake of one-shot
The number moved back and forth in journey is so that second piston 122 obtains different size of momentum.
In this way, in percussion mechanism 10 during completing one-shot, second piston 122 can obtain larger rush
Amount, and then increase the hitting power of nail gun 100.
The present invention also proposes the nail gun of second embodiment, with the nail gun of first embodiment can with shell having the same,
Prime mover, energy source, driving device, percussion mechanism, striker, locking device and staple cartridge.As shown in figure 4, in the present embodiment
The nail gun of nail gun and first embodiment differs only in：In this embodiment, switch module includes that can control the first air-flow simultaneously
The solenoid directional control valve 24 whether channel 231 and the second gas channel 232 are connected.It should be noted that those skilled in the art can
With understanding, the structure being adapted with the present embodiment in first embodiment can apply in the present embodiment, specifically no longer superfluous
It states, only introduces the difference part of the present embodiment and first embodiment below.
In the present embodiment, the first cylinder 21 is formed with the first opening 215 and second opening 216, the formation of the second cylinder 22
There is third opening 225.Wherein, the first opening 215 and the second opening 216 are arranged on end cap 23, and both passes through second
Gas channel 232 is connected to.In other words, the first opening 215 and the second opening 216 are separately positioned on the second gas channel 232
Both ends, so that one end of the second gas channel 232 is connected to second chamber portion 213b, the second opening 216 makes the first opening 215
The other end of second gas channel 232 is connected to the external world.Third opening 225 and the first opening 215 pass through the first gas channel 231
Connection, in other words, the both ends that third opening 225 and the first opening 215 are separately positioned on the first gas channel 231, first opens
Mouth 215 is so that one end of the first gas channel 231 is connected to second chamber portion 213b, and third opening 225 is so that the first air-flow is logical
The other end in road 231 is connected to the 4th chamber portion 223b, to which the first gas channel 231 and the second gas channel 232 share
First opening 215.
Solenoid directional control valve 24 includes：Spool 241 and left electromagnetic assembly 242 and right electromagnetic assembly 243 are supplied when controller controls
When electric installation does not give left electromagnetic assembly 242 and right electromagnetic assembly 243 to power, spool 241 is in an intermediate position, at this moment, first
Gas channel 231 and the second gas channel 232 can be connected；And when controller control gives left electromagnetic assembly 242 for electric installation
When powering and not powering to right electromagnetic assembly 243, spool 241 moves to left, and at this moment, the first gas channel 231 is connected and the second air-flow
Channel 232 cannot be connected；And when controller control is powered for electric installation to right electromagnetic assembly 243 and not to left electromagnetic assembly 242
When power supply, spool 241 moves to right, and at this moment, the first gas channel 231 is not turned on and the second gas channel 232 is connected.
In this way, under the control action of controller, solenoid directional control valve 24 is so that the first gas channel 231 and/or the second gas
Circulation road 232 is connected.In the present embodiment, the principle of percussion mechanism completion one-shot process is identical with the first embodiment, and is had
Body repeats no more.
The present invention also proposes the nail gun of 3rd embodiment, with the nail gun of first embodiment can with shell having the same,
Prime mover, energy source, driving device, striker 305, locking device and staple cartridge.As shown in figure 5, nail gun in the present embodiment with
The nail gun of first embodiment differs only in the difference of percussion mechanism 30.It should be noted that those skilled in the art can manage
Solution, the structure being adapted with the present embodiment in first embodiment can apply in the present embodiment, specifically repeat no more, with
Under only introduce the concrete structure of percussion mechanism 30 in the present embodiment.
Percussion mechanism 30 includes the first cylinder 31 and the second cylinder 32, and the first cylinder 31 includes the first cylinder wall 311 and the
One piston 312, the second cylinder 32 include the second cylinder wall 321 and second piston 322.First cylinder wall 311 is around being formed with the
One chamber 313, first piston 312 are arranged in first chamber 313.First piston 312 is also constituted with actuator 304b and is connected, the
One piston 312 can the reciprocating motion in first chamber 313 of 310 direction of driven member 304b drives edges first straight line.Along first
On 310 direction of straight line, first piston 312 further include the first surface 312a being connect with actuator 304b and with first surface 312a
Opposite second surface 312b.Along 310 direction of first straight line, first chamber 313 is also divided into difference by first piston 312
First chamber portion 313a and second chamber portion 313b positioned at 312 both sides of first piston, wherein first chamber portion 313a is located at the
The side of the setting first surface 312a of one piston 312, second chamber portion 313b are located at the setting second surface of first piston 312
The side of 312b.Second cylinder wall 321 is arranged around second chamber 323, second piston 322 is formed in second chamber 323.
Second piston 322 is also constituted with striker 305 and is connected, and second piston 322 can be along 320 direction of second straight line in second chamber 323
It moves back and forth, to drive striker 305 to realize nailing function.Along 320 direction of second straight line, second piston 322 further includes
The third surface 322a and the fourth surface 322b opposite with third surface 322a connected with striker 305.Along second straight line 320
On direction, second chamber 323 is also divided into the third chamber portion for being located at 322 both sides of second piston by second piston 322
323a and the 4th chamber portion 323b, wherein third chamber portion 323a is located at the one of the setting third surface 322a of second piston 322
Side, the 4th chamber portion 323b are located at the side of the 4th surface 322b of setting of second piston 322.
In the present embodiment, the first cylinder 31 and the second cylinder 32 are arranged in parallel, and first piston 312 is in first chamber
The second straight line that 310 direction of first straight line moved back and forth in 313 is moved back and forth with second piston 322 in second chamber 323
320 directions are mutually parallel.Still further, the first cylinder wall 311 is enclosed along the circumference of a line centered on first straight line 310
Around forming first chamber 313, the second cylinder wall 321 is along line centered on second straight line 320 circumferentially around forming second
Chamber 323.
As shown in figure 5, percussion mechanism 30 further includes：First end cover 33 and second end cover 34, first end cover 33 is in the first gas
One end far from actuator 304b of cylinder 31 and the second cylinder 32 seals the first cylinder 31 and the second cylinder 32, and second end cover 34 is the
One cylinder 31 and the second cylinder 32 seal the first cylinder 31 and the second cylinder 32 close to one end of actuator 304b.First end cover 33
It is also formed with the first gas channel 331 of connection second chamber portion 313b and the 4th chamber portion 323b, second end cover 34 is also formed
There is the second gas channel 341 of connection first chamber portion 313a and third chamber portion 323a.In this way, when first piston 312 is the
When being moved back and forth in one chamber 313, the air-flow in second chamber portion 313b and the 4th chamber portion 323b is enabled to mutually to flow,
And the gas in first chamber portion 313a and third chamber portion 323a is enabled to mutually to flow, to which user can be as needed
The maximum thrust that control second piston 322 is obtained during percussion mechanism 30 completes one-shot, and then without increasing
The hitting power of nail gun can still be increased in the case of big nail gun size.Furthermore when the hitting power without increasing nail gun, this hair
Bright technical solution can reduce the volume of the first cylinder 31 and the second cylinder 32, to reduce the size of nail gun, be conducive to follow closely
The miniaturization of rifle.
Furthermore, the first cylinder 31 is also formed on the first cylinder wall 311 so that first chamber 313 and extraneous structure
At the first opening 311a of connection, the second cylinder 32 is formed on the second cylinder wall 321 so that second chamber 323 and extraneous structure
At the second opening 321a of connection.Wherein, the first opening 311a and the second opening 321a are respectively in the first cylinder 31 and the second gas
Position on cylinder 32 also makes：When the first opening 311a makes second chamber portion 313b, the first gas channel 331 and the 4th chamber portion
When the first sealing space that 323b is constituted is connected to external world's composition, then the second opening 321a makes first chamber portion 313a, the second gas
The second sealing space that circulation road 341 and third chamber portion 323a are constituted is connected to external world's composition；And when the first opening 311a makes
The second sealing space that first chamber portion 313a, the second gas channel 341 and third chamber portion 323a are constituted and the extraneous company of composition
When logical, then the second opening 321a make that second chamber portion 313b, the first gas channel 331 and the 4th chamber portion 323b are constituted first
Sealing space is connected to external world's composition.
Nail gun further includes the first switch and be used to control the second opening for controlling whether the first opening 311a opens
The second switch whether 321a opens, specifically, first switch is the first solenoid valve 35, second switch is second solenoid valve
36, nail gun further include for the first solenoid valve 35 and second solenoid valve 36 power supply for electric installation and for control for Denso
Set whether to they power controller.
For convenience of explanation, as shown in figure 5, defined below be parallel to 310 direction of first straight line by first piston 312 on edge
The side for being directed toward actuator 304b be after, before the other side is, it is P0 also to define extraneous standard atmospheric pressure.
Lower mask body introduces the process that the percussion mechanism 30 in the present embodiment completes one-shot：When original state, first
The first solenoid valve 35 and the second electricity are not given in rearmost end of the piston 312 in first chamber 313, at this time controller control for electric installation
Magnet valve 36 is powered, therefore the first opening 311a and the second opening 321a are not switched on, and at this moment first piston 312 is in first chamber
It is moved from the front to the back in 313, first piston 312 is by the gas in second chamber portion 313b by the first gas channel 331 to
Compression in four chamber portion 323b, meanwhile, the gas in third chamber portion 323a is inhaled by the second gas channel 341 into first
Chamber portion 313a；When first piston 312 moves to the front end of first chamber 313 in first chamber 313, the 4th chamber portion
Air pressure in 323b is the positive pressure more than standard atmospheric pressure P0, and the air pressure in third chamber portion 323a is less than standard atmospheric pressure P0
Negative pressure, at this moment, locking device releases locking to striker 305, and 322 moment of second piston generates a larger momentum, from
And striker 305 is driven to impact nail；Then, the beginning of first piston 312 moves from front to back, and at this moment controller control is for electric installation
It powers to the first solenoid valve 35 and second solenoid valve 36, the first opening 311a and the second opening 321a are opened, extraneous to the first chamber
Make-up gas in room 313 and second chamber 323 is until the air pressure of first chamber 313 and second chamber 323 restores to normal atmosphere
Press P0；Then, controller control does not give the first solenoid valve 35 and second solenoid valve 36 to power for electric installation, the first opening 311a and
Second opening 321a be closed, at this time first piston 312 continuation move from front to back, then the air pressure in the first sealing space by
It is gradually reduced to the negative pressure less than standard atmospheric pressure P0, and the air pressure in the second sealing space is gradually increased to more than standard atmospheric pressure
The positive pressure of P0, at this moment second piston 322 gradually resetted in second chamber 323.
In this way, during percussion mechanism 30 completes one-shot, second piston 322 can obtain larger momentum,
And then increase the hitting power of nail gun.
The present invention also proposes the nail gun of fourth embodiment, with the nail gun of first embodiment can with shell having the same,
Prime mover, energy source, driving device, striker 405, locking device and staple cartridge.As shown in fig. 6, nail gun in the present embodiment with
The nail gun of first embodiment differs only in the difference of percussion mechanism 40.It should be noted that those skilled in the art can manage
Solution, the structure being adapted with the present embodiment in first embodiment can apply in the present embodiment, specifically repeat no more, with
Under only introduce the concrete structure of percussion mechanism 40 in the present embodiment.
Percussion mechanism 40 includes the first cylinder 41 and the second cylinder 42, and the first cylinder 41 includes the first cylinder wall 411 and the
One piston 412, the second cylinder 42 include the second cylinder wall 421 and second piston 422.First cylinder wall 411 is around being formed with the
One chamber 413, first piston 412 are arranged in first chamber 413.First piston 412 is also constituted with actuator 404b and is connected, the
One piston 412 can the reciprocating motion in first chamber 413 of 410 direction of driven member 404b drives edges first straight line.Along first
On 410 direction of straight line, first piston 412 further include the first surface 412a being connect with actuator 404b and with first surface 412a
Opposite second surface 412b.Along 410 direction of first straight line, first chamber 413 is also divided into difference by first piston 412
First chamber portion 413a and second chamber portion 413b positioned at 412 both sides of first piston, wherein first chamber portion 413a is located at the
The side of the setting first surface 412a of one piston 412, second chamber portion 413b are located at the setting second surface of first piston 412
The side of 412b.Second cylinder wall 421 is arranged around second chamber 423, second piston 422 is formed in second chamber 423.
Second piston 422 is also constituted with striker 405 and is connected, and second piston 422 can be along 420 direction of second straight line in second chamber 423
It moves back and forth, to drive striker 405 to realize nailing function.Along 420 direction of second straight line, second piston 422 further includes
The third surface 422a and the fourth surface 422b opposite with third surface 422a connected with striker 405.Along second straight line 420
On direction, second chamber 423 is also divided into the third chamber portion for being located at 422 both sides of second piston by second piston 422
423a and the 4th chamber portion 423b, wherein third chamber portion 423a is located at the one of the setting third surface 422a of second piston 422
Side, the 4th chamber portion 423b are located at the side of the 4th surface 422b of setting of second piston 422.
In the present embodiment, the first cylinder 41 and the second cylinder 42 are arranged in parallel, and first piston 412 is in first chamber
The second straight line that 410 direction of first straight line moved back and forth in 413 is moved back and forth with second piston 422 in second chamber 423
420 directions are mutually parallel.Still further, the first cylinder wall 411 is enclosed along the circumference of a line centered on first straight line 410
Around forming first chamber 413, the second cylinder wall 421 is along line centered on second straight line 420 circumferentially around forming second
Chamber 423.
As shown in figure 5, percussion mechanism 40 further includes：First connecting tube 43 and the second connecting tube 44,43 shape of the first connecting tube
At the first gas channel 431 for having connection second chamber portion 413b and the 4th chamber portion 423b, 44 company of being formed with of the second connecting tube
The second gas channel 441 of logical first chamber portion 413a and the 4th chamber portion 423b.In this way, when first piston 412 is in the first chamber
When being moved back and forth in room 413, the air-flow in second chamber portion 413b and the 4th chamber portion 423b is enabled to mutually to flow, and energy
Enough so that the gas in first chamber portion 413a and the 4th chamber portion 423b mutually flows, to which user can control as needed
The maximum thrust that is obtained during percussion mechanism 40 completes one-shot of second piston 422, and then no need to increase nails
The hitting power of nail gun can still be increased in the case of rifle size.Furthermore it is of the invention when the hitting power without increasing nail gun
Technical solution can reduce the first cylinder 41 and the volume of the second cylinder 42 is conducive to nail gun to reduce the size of nail gun
Miniaturization.
Furthermore, the first cylinder 41 is also formed with the first opening 414 and second opening 415, and the first opening 414 makes
First chamber portion 413a is connected to external world's composition, and the second opening 415 is so that second chamber portion 413b is connected to external world's composition.Nail gun
Further include switch module, whether which is connected for the first gas channel 431 of control and/or the second gas channel 441,
It can also control whether the first opening 414 and second opening 415 is opened.Specifically, switch module includes first switch 451,
Two switches 452, third switch 453 and the 4th switch 454, first switch 451 are used to control the 431 no conducting of the first gas channel,
For second switch 452 for controlling whether the second gas channel 441 is connected, whether third switch 453 is used for the first opening of control 414
It opens, the 4th switch 454 is for controlling whether the second opening 415 is opened.First switch 451, second switch 452, third switch
453 and the 4th switch 454 be solenoid valve, correspondingly, nail gun further include for switch module power for electric installation and
For whether controlling for electric installation to first switch 451, second switch 452, third switch 453 and the power supply of the 4th switch 454
Controller.
For convenience of explanation, as shown in fig. 6, defined below be parallel to 410 direction of first straight line by first piston 412 on edge
The side for being directed toward actuator 404b be after, before the other side is, it is P0 also to define extraneous standard atmospheric pressure.
Lower mask body introduces the process that the percussion mechanism 40 in the present embodiment completes one-shot：When original state, first
Rearmost end of the piston 412 in first chamber 413 is powered for electric installation to first switch 451 at this time under the control of the controller
So that the first gas channel 431 be connected, for electric installation give second switch 452 power supply so that the second gas channel 441 not
Conducting is powered to third switch 453 so that 414 opening of the first opening, does not give the 4th switch 454 to supply for electric installation for electric installation
Electricity is so that the second opening 415 is closed；Then, first piston 412 is moved from the front to the back in first chamber 413 until moving to
The front end of first chamber 413, the gas in second chamber portion 413b are compressed into the 4th chamber by the first gas channel 431
Portion 423b, at this moment, the air pressure in the 4th chamber portion 423b increase above the P of standard atmospheric pressure P0, while passing through the first opening
414 so that the air pressure in first chamber portion 413a is maintained at standard atmospheric pressure P0；Then, first piston 412 is in first chamber 413
Interior beginning moves from the front to the back, at this moment under the control of the controller, does not give first switch 451 to power so that first for electric installation
Gas channel 431 is not turned on, and is powered to second switch 452 so that the second gas channel 441 is connected, for electric installation for electric installation
Not to the power supply of third switch 453 so that the first opening 414 is closed, power so that second to the 4th switch 454 for electric installation
Opening 415 is opened, and at this moment, the gas in first chamber portion 413a is compressed to the 4th chamber portion by the second gas channel 441
Air pressure in 423b, the 4th chamber portion 423b continues to increase and about increase to 2P, while by the second opening 415 so that second
Air pressure in chamber portion 413b is maintained at standard atmospheric pressure P0；Then locking of the locking device releasing to striker 405 is controlled again, the
422 moment of two pistons obtains a bigger momentum, and striker 405 is driven to impact nail, completes to hit, in addition, the second cylinder
An air stream outlet 421a controlled by check valve is also provided on wall 421, so that the gas in the 4th chamber portion 423b
Pressure drop is down to standard atmospheric pressure P0；Finally, under the control of the controller, for electric installation only give second switch 452 power so that
The conducting of the second gas channel 441 is obtained, at this moment, first piston 412 moves from the front to the back again, the gas in the 4th chamber portion 423b
Part be drawn into first chamber portion 413a so that the air pressure drop in the 4th chamber portion 423b down to standard atmospheric pressure P0 it
Under, to which second piston 422 gradually resets.Those skilled in the art are it should be understood that as needed, can pass through control first piston
412 numbers moved back and forth during percussion mechanism 40 completes one-shot are so that second piston 422 obtains difference greatly
Small momentum.
In this way, during the completion one-shot of percussion mechanism 40, second piston 422 can obtain larger rush
Amount, and then increase the hitting power of nail gun.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical solution is all fallen in protection scope of the present invention.
Claims (10)
1. a kind of nail gun, including：
Shell；
Prime mover is arranged in the shell；
First cylinder includes around the first cylinder wall for being formed with first chamber and the first work being arranged in the first chamber
Plug；
Second cylinder includes around the second cylinder wall for being formed with second chamber and the second work being arranged in the second chamber
Plug；
Striker is connect with the second piston；
Driving device includes the actuator for driving the first piston to be moved back and forth in the first chamber；
It is characterized in that：
The first piston includes：
First surface connects the actuator；
Second surface is opposite with the first surface；
The second piston includes：
Third surface connects the striker；
4th surface, it is opposite with the third surface；
The first chamber is divided by the first piston：
The side of the first surface is arranged positioned at the first piston for first chamber portion；With
The side of the second surface is arranged positioned at the first piston for second chamber portion；
The second chamber is divided by the second piston：
The side on the third surface is arranged positioned at the second piston for third chamber portion；With
The side on the 4th surface is arranged positioned at the second piston for 4th chamber portion；
The nail gun is also formed with：
First gas channel is connected to the second chamber portion and the 4th chamber portion；
Second gas channel is connected to the first chamber portion and third chamber portion.
2. nail gun according to claim 1, it is characterised in that：
First cylinder is also formed with：
First opening makes the first chamber be connected to external world's composition；
Second cylinder is also formed with：
Second opening makes the second chamber be connected to external world's composition.
3. nail gun according to claim 1, it is characterised in that：
The nail gun further includes：
First switch, for controlling whether first opening is opened；
Second switch, for controlling whether second opening is opened.
4. nail gun according to claim 3, it is characterised in that：
The nail gun further includes：
For electric installation, for powering to the first switch and/or the second switch.
5. nail gun according to claim 4, it is characterised in that：
The nail gun further includes：
Whether controller described powers to the first switch and the second switch for controlling for electric installation.
6. nail gun according to claim 3, it is characterised in that：
The first switch is solenoid valve.
7. nail gun according to claim 3, it is characterised in that：
The second switch is solenoid valve.
8. nail gun according to claim 2, it is characterised in that：
The position of first opening and second opening respectively on first cylinder and second cylinder also makes：
When first opening can be such that the second chamber portion, first gas channel and the 4th chamber portion is constituted
Sealing space with the external world composition be connected to when, then it is described second be open can make the first chamber portion, second gas channel and
The sealing space that third chamber portion is constituted is connected to external world's composition；And when first opening can make the first chamber
The sealing space that portion, second gas channel and third chamber portion are constituted with it is extraneous constitute be connected to when, then described second
Opening can make the sealing space that the second chamber portion, first gas channel and the 4th chamber portion are constituted and extraneous structure
At connection.
9. nail gun according to claim 1, it is characterised in that：
The direction that the first piston moves back and forth in the first chamber is with the second piston in the second chamber
The direction of reciprocating motion is mutually parallel.
10. nail gun according to claim 1, it is characterised in that：
First cylinder and second cylinder are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710193802.2A CN108656027A (en) | 2017-03-28 | 2017-03-28 | Nail gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710193802.2A CN108656027A (en) | 2017-03-28 | 2017-03-28 | Nail gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108656027A true CN108656027A (en) | 2018-10-16 |
Family
ID=63786708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710193802.2A Pending CN108656027A (en) | 2017-03-28 | 2017-03-28 | Nail gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108656027A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3821992A (en) * | 1971-09-23 | 1974-07-02 | S Matsuo | Impact device using a gas as its medium |
| JP2014528365A (en) * | 2011-10-13 | 2014-10-27 | ポリ・システムズ・プロプライエタリー・リミテッド | Hand-held power tool for driving fasteners |
| CN204736190U (en) * | 2015-06-26 | 2015-11-04 | 张华定 | Nailer |
| CN105339137A (en) * | 2013-08-22 | 2016-02-17 | 创科电动工具科技有限公司 | Pneumatic fastener driver |
| CN205685265U (en) * | 2016-06-08 | 2016-11-16 | 南京腾亚精工科技有限公司 | Pneumatic fastener driver |
-
2017
- 2017-03-28 CN CN201710193802.2A patent/CN108656027A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3821992A (en) * | 1971-09-23 | 1974-07-02 | S Matsuo | Impact device using a gas as its medium |
| JP2014528365A (en) * | 2011-10-13 | 2014-10-27 | ポリ・システムズ・プロプライエタリー・リミテッド | Hand-held power tool for driving fasteners |
| CN105339137A (en) * | 2013-08-22 | 2016-02-17 | 创科电动工具科技有限公司 | Pneumatic fastener driver |
| CN204736190U (en) * | 2015-06-26 | 2015-11-04 | 张华定 | Nailer |
| CN205685265U (en) * | 2016-06-08 | 2016-11-16 | 南京腾亚精工科技有限公司 | Pneumatic fastener driver |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2908061Y (en) | Nail machine driven by liquid state high pressure gas | |
| US20120097730A1 (en) | Nail-pushing rod restoring apparatus for pneumatic nail gun | |
| CN108656026A (en) | Nail gun | |
| RU2334610C2 (en) | Control valve, impactor and method of impactor operation cycle control | |
| US6209659B1 (en) | Hand-held drill with a compressed air-operated hammer mechanism | |
| CN205685265U (en) | Pneumatic fastener driver | |
| CN102059680A (en) | Nailing gun | |
| JP5921037B2 (en) | Driving tool | |
| US6119796A (en) | Pneumatic spring percussion mechanism with an air supply | |
| CN110252854A (en) | The hammer device certainly of hammer power is produced from using compressed air | |
| JP2008544864A (en) | Portable power tools | |
| CN108656027A (en) | Nail gun | |
| CN206795737U (en) | Nail gun | |
| CN207470847U (en) | A kind of solenoid directional control valve for single-acting pneumatic hydraulic actuator | |
| CN110125879A (en) | Electric hammer distance controlling mechanism and electric hammer | |
| CN105257505A (en) | Compressor | |
| CN2250844Y (en) | Pneumatic nailing gun | |
| EP2214870A1 (en) | Pneumatic impact tool | |
| CN210904010U (en) | Pneumatic ballistic shock wave treatment handle | |
| CN106217313A (en) | A kind of furniture installation of embedded parts equipment and application thereof | |
| CN214971745U (en) | Compressed air power system and movable joint toy | |
| JP4590721B2 (en) | Bumper mechanism for pneumatic tools | |
| JPH08276374A (en) | Nailing machine equipped with single/continuous drive switch-over mechanism | |
| CN109926982B (en) | Nailing device for ceiling construction | |
| CN205704028U (en) | Portable electric air nail gun |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181016 |
|
| RJ01 | Rejection of invention patent application after publication |