A kind of Single switch linkage control device and nail gun
This utility model relates to power control structure technical field, particularly relates to a kind of Single switch linkage control device, separately
Outward, this utility model further relates to a kind of nail gun using aforementioned Single switch linkage control device.
In existing intermittent running gear, general by trigger and coordinating of triggering switch controlling the operation shape that device is overall
State.In order to make triggering switch at runtime in an ON state, need be provided on device lock trigger self-locking
Bar, locks trigger by self-lock rod after trigger turns ON triggers switch, joins with triggering switch all the time in making trigger operationally
Close so that trigger switch operationally in an ON state.
Although existing intermittent running gear is relatively simple for the self-locking structure locking trigger, but after the working time terminates
The action releasing self-locking state needs operator's manual operation, it is impossible to release self-locking state at the end of between operationally voluntarily,
Linkage is poor, and needs operator accurately to judge whether the working time terminates, high to the skill set requirements of operator.
Utility model content
In order to solve above-mentioned prior art exist shortcoming and defect, this utility model provide one operationally between tie
The Single switch linkage control device of self-locking state can be released voluntarily after bundle.
In order to reach above-mentioned technical purpose, the Single switch linkage control device that this utility model provides, including trigger, triggering
Switch and motor, trigger the on off operating mode that switch electrically connects with motor and controls motor, and trigger activity setting and being used for is connected tactile
Send out switch, self-locking mechanism in an ON state in also including being driven by motor and make triggering switch operationally.
Preferably, described self-locking mechanism includes that motor exists by motor-driven driving member and the push rod that links with driving member
Driving push rod by driving member in working time makes triggering switch in an ON state with triggering to switch to coordinate.
Preferably, described motor is provided with power output shaft, and described driving member is the cam being fixedly arranged on power output shaft, convex
Wheel includes isodiametric first periphery wall and diameter the second periphery wall less than the first periphery wall；Push rod exists towards one end of cam
Be resisted against in working time on the first periphery wall, push rod away from cam one end operationally in trigger switch coordinate；Top
When bar is resisted against on the second periphery wall towards one end of cam, the working time terminates, push rod away from cam one end operationally between
At the end of depart from trigger switch.
Preferably, described push rod rotates to be installed, the cunning that described self-locking mechanism links with push rod in being additionally included in the working time
Block and operationally between at the end of drive the first spring that slide block resets, push rod operationally in drive slide block to move and make sliding
Block coordinates with triggering switch；First spring is positioned at triggering switch side, place and is in compressive state, and one end of the first spring is fixed
Arrange, the other end against or be fixed on slide block；Or, the first spring is positioned at side, slide block place and is in extended state, and first
One end of spring is fixedly installed, the other end is fixed on slide block.
Preferably, described Single switch linkage control device does, in being additionally included in the working time, the impact that straight line moves back and forth
The power output shaft of block, cam or motor is provided with the return unit driving impact block to reset, two ends of impact block motion path
Point is on the rotation path of return unit.
Preferably, described return unit includes the pin being fixedly arranged on the sidewall of cam axial side and is rotatably sheathed on pin
Preferably, described cam is provided with on the sidewall of pin and is additionally provided with the boss being integrated with cam, and boss is against guide
Arrange and and guide outer wall between have space.
Preferably, described Single switch linkage control device also includes being connected to trigger and for connecting the company triggering switch
Bar, cam axial opposite side sidewall is provided with drive link in operationally and departs from the shifting block triggering switch, connecting rod and trigger
Between be provided with drivening rod reset elastic component.
Preferably, described trigger and connecting rod are respectively equipped with the fixing post and trepanning cooperated, or, trigger and connecting rod
On be respectively equipped with the trepanning cooperated and fixing post, connecting rod is connected in trigger by fixing post and trepanning；Described bullet
Property part is the torsion spring being sleeved on fixing post, and the two ends of torsion spring are individually fixed on trigger and connecting rod.
It addition, this utility model additionally provides a kind of nail gun, this nail gun includes aforesaid Single switch linkage control device.
After using technique scheme, the Single switch linkage control device that this utility model provides has the advantage that
1, self-locking mechanism operationally interior driving by motor makes triggering switch in an ON state, and the working time terminates
Time, self-locking mechanism departs from triggering switch, and motor is out of service, and at the end of the working time, self-locking mechanism automatically terminates and triggers switch
On-state, device Coupled motion is good, low to the skill set requirements of operator；
2, motor is operationally interior makes triggering switch be in connection by driving member driving push rod with triggering to switch to coordinate
State, when operating between at the end of, driving member drive push rod reset depart from trigger switch, trigger switch be off, electricity
Machine is out of service；
3, driving member uses cam, and the transmission between simple in construction, and push rod is apart from little, it is simple to make self-locking mechanism entirety more
4, push rod rotates and installs, and self-locking mechanism also includes the slide block with push rod linkage and for the first of band movable slider reset
Spring, when motor is started working, cam driven push rod rotates towards triggering switch side, thus band movable slider is opened with triggering
Close and coordinate and make triggering to switch in an ON state；At the end of between when operating, cam driven push rod is towards away from triggering switch institute
Rotating in side, meanwhile, the first spring restores to the original state and drives push rod away from triggering switch, triggers switch and is off,
Motor is out of service, and the first spring and cam engagement are used for driving slide block, push rod to reset, and improves versatility；
5, impact block operationally in do straight line and move back and forth, can drive and linearly be moved by target, work
When time just starts, return unit rotates and departs from impact block, and impact block moves along a straight line to range, and return unit is at rotation process
Middle drive impact block operationally between at the end of reset, impact block operationally in complete at least one motion cycle；
6, during return unit rotates and drives impact block to reset, impact block can move relative to return unit, return unit
Impact block can be transformed into the rotation of guide by the structure using pin and guide to coordinate relative to the movement of return unit, in order to subtract
Friction between little impact block and pin, slows down the abrasion between impact block and pin；
7, pin is fixed on cam by fixing connected mode, and cam arranges in close proximity to the position of guide and with cam is
The boss of one, impact block reset rear section is resisted against on boss, so can effectively reduce the pin support force to impact block,
Slow down the deformation of pin, extend pin and the service life of entirety；
8, the connecting rod with trigger linkage when connecting triggering switch it is arranged on trigger, after triggering switch connection, on cam
Connecting rod is dialled from triggering switch by shifting block when rotating, it is to avoid slide block and connecting rod coordinate with triggering switch simultaneously, reduce and trigger switch
Stress, extend trigger switch service life；
9, the elastic component that drivening rod resets uses the torsion spring being located between trigger and connecting rod, it is simple to make overall structure more
Compact, and the linkage of torsion spring is good, can quickly reset by drivening rod；
After using technique scheme, the nail gun that this utility model provides, overall structure is simple, and impact block is at electric machine rotation
Moment depart from the boss on cam, when moving to extreme position, nail is squeezed into by work object, completes spiking action, so
Rear cam rotation, the boss on cam and bearing pin drive impact block reset, impact block completes a cycle of operation, cam and first
Spring drives push rod and slide block to reset, and motor is out of service.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of this utility model Single switch linkage control device embodiment；
Fig. 2 is the exploded perspective view of Fig. 1；
Fig. 3 is that the structure of trigger in this utility model Single switch linkage control device embodiment, connecting rod and triggering switch is shown
It is intended to；
Fig. 4 a, 4b are the structural representation of this utility model Single switch linkage control device embodiment cam；
Fig. 5 is this utility model Single switch linkage control device embodiment schematic diagram when not working；
Fig. 6 is that this utility model Single switch linkage control device embodiment runs the signal to range at impact block
Fig. 7 is this utility model Single switch linkage control device embodiment structural representation when impact block resets.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawings to this reality
It is described further with novel.
As shown in Figure 1, 2, 3, the Single switch linkage control device that this utility model embodiment provides, including trigger 1, triggers
Switch 2, motor (not shown) and self-locking mechanism, triggering switchs 2 and electrically connects with motor and control the on off operating mode of motor, pulls
Machine 1 activity is provided for connecting and triggers switch 2, and self-locking mechanism is in being driven by motor and making triggering switch operationally and connects
In the present embodiment, trigger switch 2 include Switch main body 21, Switch main body 21 be provided with trigger button 22 and for by
The tabletting 23 of pressure trigger button 22.When trigger button 22 is pressed to Switch main body 21 by tabletting 23, trigger switch 2 and be in connection shape
State, motor runs, and device is generally in duty.When tabletting 23 unclamps trigger button 22, trigger switch 2 and be in disconnection shape
State, motor is out of service, and the working time terminates.
Self-locking mechanism includes by motor-driven driving member and the push rod 3 that links with driving member, motor operationally in
Driving push rod 3 to coordinate with triggering switch 2 by driving member and make triggering switch 2 in an ON state, push rod 3 includes joining with driving member
The linkage end 31 closed and the keyed ends 32 coordinated with triggering switch 2.
Motor is provided with power output shaft (not shown), and driving member is the cam 4 being fixedly arranged on power output shaft, such as figure
Shown in 4a, 4b, outside the peripheral outer wall of cam includes that isodiametric first periphery wall S1 and diameter are less than the second of the first periphery wall
Perisporium S2.In working time, the linkage end 31 of push rod 3 is resisted against on the first periphery wall S1, at the end of the working time, and the connection of push rod
Moved end 31 is resisted against on the second periphery wall S2.
In the present embodiment, the basic configuration of cam 4 is rounded, is provided with and coordinates with motor power output shaft at the axle center of cam
Centre bore 41, cam 4 be circumferentially with the recess 42 towards cam center indent, the sidewall of recess forms the second periphery wall S2,
Other parts of cam circumferential side wall form the first periphery wall S1.Concrete, the recess 42 in the present embodiment is substantially L-shaped.
Certainly, driving member is in addition to using cam 4, it is also possible to use other structures, such as linkage or crank block machine
In the present embodiment, push rod 3 is rotated by bearing pin and installs, and is provided with for rotating peace between linkage end 31 and keyed end 32
The installation portion 33 of dress push rod, installation portion is provided with the hole coordinated with bearing pin.
Self-locking mechanism be additionally included in the working time and the slide block 5 of push rod 3 linkage and operationally between at the end of drive sliding
The first spring 6 that block 5 resets.First spring 6 is positioned at triggering switch 2 sides, place and is in compressive state, one end of the first spring 6
Be fixedly installed, the other end against or be fixed on slide block 2.Or, the first spring 6 is positioned at side, slide block 5 place and is in stretching shape
State, one end of the first spring 6 is fixedly installed, the other end is fixed on slide block 5.
Slide block 5 is slidably installed, and the keyed end 32 of push rod 3 is operationally interior drives slide block to move towards triggering switch 2, sliding
Block 5 makes triggering switch in an ON state with triggering to switch to coordinate.At the end of working time, slide block 5 is at push rod 3 and the first spring
The common effect of 6 is lower to be resetted, and slide block 5 disengaging triggers switch 2.
What the Single switch linkage control device that the present embodiment provides did in being additionally included in the working time that straight line moves back and forth rushes
Hitting block 7, the power output shaft of cam 4 or motor is provided with the return unit driving impact block to reset, the two of impact block motion path
Individual end points is on the rotation path of return unit.
In the present embodiment, return unit includes the pin 43 being fixedly arranged on the sidewall of cam 4 axial side and is rotatably sheathed on
Guide 44 on pin.In order to reduce the pin 43 support force to impact block 7, cam 4 is provided with in the axial side wall of pin 43 also
Be provided with the boss 45 being integrated with cam, boss against guide 44 arrange and and guide outer wall between have space.
In order to improve versatility, Single switch linkage control device also includes that the second spring of coordinating with impact block 7 is (in figure not
Illustrate), the compression direction of the second spring is consistent with the direction of motion of impact block 7, and one end of the second spring is fixed, the other end is fixed
Being connected to impact block, return unit drives impact block 7 to drive the second spring-compressed while resetting.
The Single switch linkage control device of the present embodiment also includes being connected to trigger 1 and for connecting the company triggering switch 2
Bar 8, the axial opposite side sidewall of cam 4 is provided with drive link 8 in operationally and departs from the shifting block 46 triggering switch 2, connecting rod 8
And between trigger 1, it is provided with the elastic component that drivening rod 8 resets.
In the present embodiment, trigger 1 and connecting rod 8 are respectively equipped with the fixing post 11 cooperated and trepanning 81, or, trigger
1 and connecting rod 8 on be respectively equipped with the trepanning cooperated and fixing post, connecting rod 8 is connected in pulling by fixing post and trepanning
Elastic component is the torsion spring 91 being sleeved on fixing post 11, and the two ends of torsion spring 91 are individually fixed in trigger 1 and connecting rod 8
On.Trepanning 81 is located at the middle part of connecting rod 8, one end of connecting rod be with trigger switch 2 coordinates triggering ends 82, the other end be with
The struck side 83 that shifting block 46 on cam 4 coordinates.One end of torsion spring 91 spacing against or be fixed on trigger 1, another of torsion spring
Hold spacing against or be fixed on the triggering end 82 of connecting rod.
In the present embodiment, Single switch linkage control device also include for band trigger action 1 reset the 3rd spring 92, the 3rd
Spring 92 is located at trigger 1 towards triggering the sides of switch 2 motion, one end of the 3rd spring is fixedly installed, the other end against or solid
It is scheduled on the trigger side towards triggering switch, and the 3rd spring 92 is in compression when trigger drivening rod 8 is connected and triggered switch 2
The Single switch linkage control device state when not working, as it is shown in figure 5, trigger switch 2 and be off, is rushed
Hitting block 7 and be resisted against on boss 45 and be positioned at highest position, the linkage end 31 of push rod 3 is resisted against the second periphery wall S2 of cam 4
During use, operator force in trigger 1, and trigger drivening rod 8 moves towards triggering switch 2, the 3rd spring 92
Compression, trigger button 22 is pressed to Switch main body 21 by tabletting 23 by the triggering end 82 of connecting rod, triggers switch 2 connection, electricity
Machine is started working, and device entirety enters the working time.Driven by motor cam 4 rotates, and the boss 45 on cam departs from impact block 7,
Impact block is the most mobile to stroke maximum, as shown in Figure 6 under the effect of the second spring.Meanwhile, the linkage end 31 of push rod 3 supports
Lean against on the first periphery wall S1 of cam 4, push rod towards trigger switch 2 sides, place rotate, push rod rotate time band movable slider 5 towards
Triggering switch 2 move and make slide block prop up tabletting 23, make triggering switch in an ON state, the first spring 6 is in compressive state.
Shifting block 46 acts on the struck side 83 of connecting rod 8, and connecting rod 8 rotates, and triggers end 82 and departs from triggering switch 2, and torsion spring 91 deforms.
When boss 45 or bearing pin turn over the stroke maximum of impact block 7, boss or bearing pin drive impact block to reset, with
Time, drive the second spring-compressed, as shown in Figure 7.
Operator unclamp trigger 1 after connecting triggering switch 2, and the 3rd spring 92 recovers band trigger action during deformation and resets.
When shifting block 46 departs from the struck side 83 of connecting rod 8, torsion spring 91 drivening rod 8 resets.
When impact block 7 runs to original position, the linkage end 31 of push rod 3 departs from the first periphery wall S1 and is resisted against the second periphery
On wall S2, push rod is directed away from triggering the side of switch 2 and rotates, and when the first spring 6 recovers deformation, band movable slider 5 departs from triggering and opens
Close, trigger switch and 2 be off, motor is out of service, and the working time terminates, and device entirety is recovered to as shown in Figure 5
It addition, the present embodiment additionally provides a kind of nail gun using above-mentioned Single switch linkage control device, this nail gun includes
Casing, above-mentioned Single switch linkage control device is located in casing, and trigger 1 stretches out casing.
Nail mouth is positioned at the range of impact block 7, and when impact block runs to range, impact block is by nail
Squeeze into by work object, complete spiking action, an one action time corresponding spiking action.
Using the nail gun of said structure, operator only need to force in trigger 1 and connect triggering switch 2 when starting working
Can, after one time spiking action terminates, triggering switch 2 disconnection, impact block 7 recovers in situ, and safety is high, and linkage is good.
In addition to above preferred embodiment, this utility model also has other embodiment, and those skilled in the art can root
It is variously modified according to this utility model and deforms, without departing from spirit of the present utility model, this utility model all should be belonged to
Scope as defined in the claims.