CN108511228A - Trigger assembly - Google Patents
Trigger assembly Download PDFInfo
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- CN108511228A CN108511228A CN201710112471.5A CN201710112471A CN108511228A CN 108511228 A CN108511228 A CN 108511228A CN 201710112471 A CN201710112471 A CN 201710112471A CN 108511228 A CN108511228 A CN 108511228A
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- Prior art keywords
- trigger
- locking component
- locking
- assembly according
- trigger assembly
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Portable Power Tools In General (AREA)
Abstract
The present invention relates to a kind of trigger assemblies, are especially used for the trigger assembly of electric tool, including：Shell；Trigger, the trigger are supported to move between open position and on-position relative to shell by shell；And locking mechanism, the locking mechanism has ontology, the ontology includes the moveable locking component for trigger lock to be scheduled on to on-position, and locking component can be moved in the latched position that trigger lock is scheduled on to on-position and by trigger between the unlocked position that on-position discharges；Wherein, locking component is arranged to that latched position is enabled or be moved to when mobile in user, and when user subsequently enables or is mobile back to unlocked position.
Description
Technical field
The disclosure relates generally to a kind of trigger assemblies, can be carried to various electric tools more particularly, to one kind
For the trigger assembly of locking feature (lock on feature).
Background technology
Most of electrical apparatus products of such as electric tool include the trigger switch for having latch functions.Such locking work(
It can usually be triggered by depressing locking mechanism when depression of trigger is to enable electric tool, and the latch functions are then led to
Crossing operator, depression of trigger discharges again.
Although there are the various electric tools with trigger assembly on the market, these trigger assemblies have several
Disadvantage.The ergonomics of electric tool, Occupational health and safety are some problems of operator's experience.For example, operator can
It can unexpectedly touch trigger device so that the locking of trigger may be released, and thus unintentionally deactivate electric tool.Operation
It may frequently be interrupted during whole operation.
In addition, operator must reverse his hand and keep this gesture several seconds, electricity is deactivated with depression of trigger
Power driven tools.Therefore, operator may not be able to tightly and cosily hold electric tool.People may unexpectedly fall tool,
Or even if electric tool can tightly be held, operator can still suffer from myalgia when completing certain operations.
In turn, one or more of these disadvantages may influence electric tool operator efficiently perform its routine
Program.
For example, operator usually catches handle and enabled with its index finger depression of trigger to be used for trigger, and use it
Thumb depresses locking mechanism to be used for latch functions.After the completion of operation, operator must use index finger depression of trigger, rather than
The locking of trigger is discharged with thumb.The release of trigger is restricted to be depressed with the index finger of operator.However, operator may
Unexpectedly touch trigger device so that the locking of trigger may be released, and thus unintentionally deactivate electric tool.Operation can
It can frequently be interrupted during whole operation.
Further, since latch functions must be by being discharged by operator's depression of trigger, therefore operator must reverse
It his hand and holds the pose several seconds.Therefore, operator may not be able to tightly and cosily hold electric tool.People
May not be able to tightly hold electric tool, electric tool may be made to fall, and therefore operation may become to endanger very much
Danger.Even if user can tightly hold electric tool, but operator can still suffer from muscle when completing operation several times
Pain.According to user's experience and to the increased concern of Occupational health and safety, such construction of trigger and therefore
Operation is undesirable.
Invention content
Certain embodiments of the present invention can be because minimizing these problems above with reference to listed by the use of power tool
At least some of and be advantageous.Can improve electric tool including trigger assembly, be latch functions enabling and deactivate
Better ergonomic design is provided, and the functionality of electric tool, operator Occupational health and safety in terms of increase
The experience of strong operator.
First generalized form according to the present invention, the trigger assembly of electric tool include：Shell；Trigger, the triggering
Device is supported to move between open position and on-position relative to shell by shell；And locking mechanism, the locking
Mechanism has ontology, which includes the moveable locking component for trigger lock to be scheduled on to on-position, locking component
Can the latched position that trigger lock is scheduled on to on-position and by trigger between the unlocked position that on-position discharges
It is mobile；Wherein, locking component, which is arranged in, is enabled by user or is moved to latched position when mobile, and by user
It is follow-up to enable or return to unlocked position when mobile.
Preferably, trigger may include and being locked for the retainer by the locking component engagement in latched position
Component layout is more than latched position at movement when continuing enabling or movement in the rear, to make retainer be opened from locking component movement
And be detached from, to allow locking component to return to unlocked position.
Alternatively, trigger assembly may also include the holding meanss that can be discharged certainly, this can be used from holding meanss of release
In being temporarily kept in retainer on the crossover position being detached from locking component, so that locking component having time returns to solution lock-bit
It sets, then holding meanss are discharged certainly to allow trigger to return to open position.
Advantageously, can may include spring-loaded ball catch from the holding meanss of release.
Selectively, locking mechanism may include cam, which is used to continue enabling or movement in the rear when locking component
Shi Yidong moves retainer when being more than latched position, to allow locking component to be detached from retainer so that locking component can return
Return to unlocked position.
Optionally, trigger may include for moving retainer when trigger is depressed to allow locking component and keep
The part that device is detached from so that locking component may return to unlocked position.
Preferably, trigger assembly may include capture and release device, and the capture and release device are arranged to locking
A part for the ontology of capture locking mechanism, latched position is locked in by locking component when the enabling of component or movement,
And the part of the ontology of release locking mechanism in follow-up enabling or movement, to allow locking component back to unlock
Position.
Alternatively, the capture and release device may include to move up in the horizontal of the moving direction of locking component
Cam.
Advantageously, locking component can be moved with the substantially vertical second direction of the moving direction of trigger.
Selectively, locking mechanism may include for being depressed along the second direction so that locking component moves by user
Knob.
Optionally, locking mechanism may include for sliding in the opposite direction perpendicular to the second direction by user
Move the knob so that locking component movement.
Preferably, locking component, which can be associated with, act as driven member, V-arrangement recess portion with a pair of angled surface, described
The interior section of knob acts on the V-arrangement recess portion as cam, so that the locking component can be by knob in the opposite direction
It is upper sliding and move.
Description of the drawings
Fig. 1, which is shown, is embodied as the electronic work with one trigger assembly in six embodiments according to the present invention
The front view of tool；
Fig. 2 is the front view for showing independent trigger assembly shown in FIG. 1, illustrates trigger and locking mechanism；
Fig. 3 is the left view of trigger assembly shown in Fig. 2；
Fig. 4 is the right view of trigger assembly shown in Fig. 2；
Fig. 5 is the top view of trigger assembly shown in Fig. 2；
Fig. 6 is the bottom view of trigger assembly shown in Fig. 2；
Fig. 7 shows the perspective view of the overall appearance of trigger assembly according to a first embodiment of the present invention, wherein triggering
Device is in open position and locking mechanism is in the unlocked position；
Fig. 8 shows the perspective view of the overall appearance of trigger assembly according to a first embodiment of the present invention, wherein triggering
Device is in on-position and locking mechanism is in the locked position；
Fig. 9 shows the schematic diagram of trigger assembly according to a first embodiment of the present invention, and wherein trigger, which is in, disconnects
Position and locking mechanism is in the unlocked position；
Figure 10 shows the schematic diagram of trigger assembly according to a first embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism is in the unlocked position；
Figure 11 shows the schematic diagram of trigger assembly according to a first embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism is in the locked position；
Figure 12 shows that the schematic diagram of trigger assembly according to a first embodiment of the present invention, wherein trigger are in locking
The finger of position and user are unclamped from locking mechanism；
Figure 13 shows that the schematic diagram of trigger assembly according to a first embodiment of the present invention, wherein trigger are in locking
Position and locking mechanism are more than latched position；
Figure 14 shows the schematic diagram of trigger assembly according to a first embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism has been released into unlocked position；
Figure 15 shows the schematic diagram of trigger assembly according to a first embodiment of the present invention, and wherein trigger, which is in, disconnects
Position and locking mechanism is in the unlocked position；
Figure 16 shows the schematic diagram of trigger assembly according to a second embodiment of the present invention, and wherein trigger, which is in, disconnects
Position and locking mechanism is in the unlocked position；
Figure 17 shows the schematic diagrames of trigger assembly according to a second embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism is in the unlocked position；
Figure 18 shows the schematic diagram of trigger assembly according to a second embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism is in the unlocked position；
Figure 19 shows the schematic diagram of trigger assembly according to a second embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism are more than latched position；
Figure 20 shows that the schematic diagram of trigger assembly according to a second embodiment of the present invention, wherein trigger are in locking
The finger of position and user are unclamped from locking mechanism；
Figure 21 shows the schematic diagram of trigger assembly according to a second embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism are more than latched position；
Figure 22 shows the schematic diagram of trigger assembly according to a second embodiment of the present invention, and wherein trigger, which is in, connects
The just release of position and locking mechanism is to unlocked position；
Figure 23 shows the schematic diagram of trigger assembly according to a second embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism is released into unlocked position；
Figure 24 shows the schematic diagram of trigger assembly according to a second embodiment of the present invention, and wherein trigger, which is in, disconnects
Position and locking mechanism is in the unlocked position；
Figure 25 shows the schematic diagram of trigger assembly according to a third embodiment of the present invention, and wherein trigger, which is in, disconnects
Position and locking mechanism is in the unlocked position；
Figure 26 shows the schematic diagram of trigger assembly according to a third embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism is in the unlocked position；
Figure 27 shows the schematic diagram of trigger assembly according to a third embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism is in the locked position；
Figure 28 shows the schematic diagram of trigger assembly according to a third embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism is in the locked position；
Figure 29 shows that the schematic diagram of trigger assembly according to a third embodiment of the present invention, wherein trigger are in locking
The finger of position and user are unclamped from locking mechanism；
Figure 30 shows that the schematic diagram of trigger assembly according to a third embodiment of the present invention, wherein trigger are in locking
Position and locking mechanism are more than latched position；
Figure 31 shows that the schematic diagram of trigger assembly according to a third embodiment of the present invention, wherein trigger are in locking
Position and locking mechanism are more than latched position；
Figure 32 shows the schematic diagram of trigger assembly according to a third embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism is released into unlocked position；
Figure 33 shows the schematic diagram of trigger assembly according to a third embodiment of the present invention, and wherein trigger, which is in, disconnects
Position and locking mechanism is in the unlocked position；
Figure 34 shows the schematic diagram of trigger assembly according to a fourth embodiment of the present invention, and wherein trigger, which is in, disconnects
Position and locking mechanism is in the unlocked position；
Figure 35 shows the schematic diagram of trigger assembly according to a fourth embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism is in the unlocked position；
Figure 36 shows the schematic diagram of trigger assembly according to a fourth embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism is in the unlocked position；
Figure 37 shows the schematic diagram of trigger assembly according to a fourth embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism is in the unlocked position；
Figure 38 shows the schematic diagram of trigger assembly according to a fourth embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism are more than latched position；
Figure 39 shows the schematic diagram of trigger assembly according to a fourth embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism are more than latched position；
Figure 40 shows that the schematic diagram of trigger assembly according to a fourth embodiment of the present invention, wherein trigger are in locking
The finger of position and user are unclamped from locking mechanism；
Figure 41 shows the schematic diagram of trigger assembly according to a fourth embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism are more than latched position；
Figure 42 shows the schematic diagram of trigger assembly according to a fourth embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism are more than latched position；
Figure 43 shows the schematic diagram of trigger assembly according to a fourth embodiment of the present invention, and wherein trigger, which is in, connects
The just release of position and locking mechanism is to unlocked position；
Figure 44 shows the schematic diagram of trigger assembly according to a fourth embodiment of the present invention, and wherein trigger, which is in, connects
The just release of position and locking mechanism is to unlocked position；
Figure 45 shows the schematic diagram of trigger assembly according to a fourth embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism has been released into unlocked position；
Figure 46 shows the schematic diagram of trigger assembly according to a fourth embodiment of the present invention, and wherein trigger, which is in, disconnects
Position and locking mechanism is in the unlocked position；
Figure 47 shows the schematic diagram of trigger assembly according to a fifth embodiment of the present invention, and wherein trigger, which is in, disconnects
Position and locking mechanism is in the unlocked position；
Figure 48 shows the schematic diagram of trigger assembly according to a fifth embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism is in the unlocked position；
Figure 49 shows the schematic diagram of trigger assembly according to a fifth embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism is in the locked position；
Figure 50 shows that the schematic diagram of trigger assembly according to a fifth embodiment of the present invention, wherein trigger are in locking
The finger of position and user are unclamped from locking mechanism；
Figure 51 shows the schematic diagram of trigger assembly according to a fifth embodiment of the present invention, and wherein trigger is more than locking
Position；
Figure 52 shows the schematic diagram of trigger assembly according to a fifth embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism has been released into unlocked position；
Figure 53 shows the schematic diagram of trigger assembly according to a fifth embodiment of the present invention, and wherein trigger, which is in, disconnects
Position and locking mechanism is in the unlocked position；
Figure 54 shows the schematic diagram of trigger assembly according to a sixth embodiment of the present invention, and wherein trigger, which is in, disconnects
Position and locking mechanism is in the unlocked position；
Figure 55 shows the schematic diagram of trigger assembly according to a sixth embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism is in the unlocked position；
Figure 56 shows the schematic diagram of trigger assembly according to a sixth embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism is in the locked position；
Figure 57 shows the schematic diagram of trigger assembly according to a sixth embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism is in the locked position；
Figure 58 shows that the schematic diagram of trigger assembly according to a sixth embodiment of the present invention, wherein trigger are in locking
The finger of position and user are unclamped from locking mechanism；
Figure 59 shows the schematic diagram of trigger assembly according to a sixth embodiment of the present invention, and wherein trigger is more than locking
Position；
Figure 60 shows the schematic diagram of trigger assembly according to a sixth embodiment of the present invention, and wherein trigger, which is in, connects
Position and locking mechanism is released into unlocked position；
Figure 61 shows the schematic diagram of trigger assembly according to a sixth embodiment of the present invention, and wherein trigger, which is in, disconnects
Position and locking mechanism is in the unlocked position.
Attached drawing herein is for illustration purposes only, and is not drawn necessarily to scale.
Specific implementation mode
With reference to figure 1, the embodiment of the electric tool 1 for drilling is shown.In this example, electric tool includes：It is main
Body 10, front hand grip 20, back handle 30, such as drilling tool operating member 40 and be arranged as driving operating member 40
Battery 50.Main body 10 may also include trigger assembly 60, and trigger assembly 60 is arranged to enable and disabling operation structure
Part 40, so that electric tool 1 can be used for drilling operation.
With reference to Fig. 2-6, show that the specific embodiment of trigger assembly 60, trigger assembly 60 include shell 62, pull
Formula trigger 64, locking mechanism 66.Optionally, trigger assembly 60 may be embodied as in first embodiment to sixth embodiment
Any one.
With reference to figure 7-15, the first embodiment of the trigger assembly 100 for electric tool 1 is shown comprising：Shell
110；Trigger 120, the trigger by shell 110 support for relative to shell 110 open position and on-position it
Between move；And locking mechanism 130, locking mechanism 130 have ontology 133, ontology 133 includes for locking trigger 120
In the moveable locking component 134 of on-position, trigger 120 can be locked in on-position by locking component 134
Latched position and trigger 120 is moved between the unlocked position that on-position discharges；Wherein, locking component 134 is arranged
At enabled by user or it is mobile when be moved to latched position, and when subsequently being enabled by user or being mobile back to solving
Lock position.
In this embodiment, trigger 120 may include for the holding by being engaged in the locking component 134 of latched position
Device 122, and it is more than latched position that locking component 134, which is arranged to move when continuing enabling or movement in the rear, to make holding
Device 122 is opened and is detached from from the movement of locking component 134, to allow locking component 134 to return to unlocked position.
Preferably, trigger assembly 100 further includes the holding meanss 124 that can be discharged certainly, this can be from holding meanss of release
124, for being temporarily kept in retainer 122 in the crossover position being detached from locking component 134, fill so that locking component 134 has
The sufficient time returns to unlocked position, and then holding meanss 124 are discharged certainly to allow trigger 120 to return to open position.Favorably
Ground, this can may include spring-loaded ball catch 126 from the holding meanss 124 of release, in order to releasing certainly for holding meanss 124
It puts.
In this embodiment, locking mechanism 130 further includes cam 136, and cam 136 is used for when locking component 134 is described
It is follow-up to start or move retainer 122 when being moved more than latched position when mobile, to allow locking component 134 and retainer 122
It is detached from so that locking component 134 may return to unlocked position.
In an exemplary operations, 120 initial rest of trigger is on open position, as shown in Figure 9.It is electronic in order to activate
Tool 1, trigger 120 overcome spring 121 to be depressed to reach on-position, and retainer 122 by the index finger of user
It is then moved towards shell 110 by trigger 120, as shown in Figure 10.Then, locking mechanism 130 is overcome by the thumb of user
Spring 131 is depressed, and locking component 134 is moved to latched position from unlocked position from there through retainer 122 so that locking
Component 134 is locked by retainer 122, as shown in figure 11.Locking component 134 stops that trigger 120 returns to open position, such as schemes
Shown in 12 so that user can unclamp his finger slave flipflop 120 and locking mechanism 130 now.
When user completes its drilling operation and wants deactivated electric tool 1, locking mechanism 130 by user again
Pressure so that the movement of locking component 134 is more than latched position, and cam 136 then makes retainer 122 further towards shell
110 movements, as shown in figure 13.The spring-loaded ball catch 126 of holding meanss 124 of the retainer 122 by that can discharge certainly is interim
It is maintained at crossover position so that locking component 134 is no longer locked by retainer 122, and thus because being stored in the spring 131 of compression
In power and release back to unlocked position from latched position, as shown in figure 14.The no longer locked component 134 of trigger 120 stops
And open position can be returned to because of the power in the spring 121 for being stored in compression, as shown in figure 15.
6-24 referring to Fig.1 shows the second embodiment of the trigger assembly 200 of electric tool 1 comprising：Shell
210；Trigger 200, the trigger 200 by shell 210 support for relative to shell 210 in open position and on-position
Between move；And locking mechanism 230, locking mechanism 230 have ontology 233, ontology 233 includes for locking trigger 220
It is scheduled on the moveable locking component 234 of on-position, trigger 220 can be locked in on-position by locking component 234
Latched position and trigger is moved between the unlocked position that on-position discharges；Wherein, locking component 234 is arranged to
Latched position is moved to when being enabled by user or movement, and when subsequently being enabled by user or being mobile back to unlock
Position.
In this embodiment, trigger assembly 220 includes capture and release device 236,236 quilt of the capture and release device
It is arranged to a part for the ontology 233 of capture locking mechanism 230 in the enabling or the movement of locking component 234, will be locked
Determine component 234 and be locked in latched position, and in follow-up startup or movement described in the ontology 233 of release locking mechanism 230
A part, to allow locking component 234 to return to unlocked position.
Preferably, capture and release device 236 include can the moving direction of locking component 234 it is horizontal move up it is convex
Wheel 238.
In an exemplary operations, 220 initial rest of trigger is on open position, as shown in figure 16.In order to activate electricity
Power driven tools 1, trigger 220 overcome spring 221 to be depressed by the index finger of envoy, to reach on-position, as shown in figure 17.So
Afterwards, locking mechanism 230 overcomes spring 231 to be depressed by the thumb of user, thus makes capture and release device 236 from shell
210 move slightly outward, and as shown in figure 18, and locking component 234 are made to be moved towards the penetralia of capture and release device 236 again
Dynamic is more than cam 238, as shown in figure 19.Then, capture and release device 236 are slightly moved towards shell 210, and lock structure
Part 234 is then blocked in by cam 238 at latched position, as shown in figure 20, now can be with slave flipflop 220 and lock thereby using person
Determine mechanism 230 and unclamps his finger.
When user completes its drilling operation and wants deactivated electric tool 1, locking mechanism 230 by user again
Pressure so that capture and release device 236 are slightly moved towards shell 210, as shown in figure 21.Locking component 234 is no longer convex
238 blocking of wheel, and unlocked position thus is released back to from latched position due to the power in the spring 231 for being stored in compression, such as
Shown in Figure 22-23.The no longer locked blocking of component 234 of trigger 220, and can be because being stored in the spring 221 of compression
Power and return to open position, as shown in figure 24.
With reference to figure 25-33, the 3rd embodiment of the trigger assembly 300 for electric tool 1 is shown comprising：Shell
Body 310；Trigger 320, the trigger by shell 310 support for relative to shell 310 in open position and on-position
Between move；And locking mechanism 330, locking mechanism 330 have ontology 333, ontology 333 includes for locking trigger 320
It is scheduled on the moveable locking component 334 of on-position, trigger 320 can be locked in on-position by locking component 334
Latched position and trigger 320 is moved between the unlocked position that on-position discharges；Wherein, locking component 334 is by cloth
It is set to and is moved to latched position when being enabled by user or movement, and returned to when subsequently being enabled by user or movement
Unlocked position.
In this embodiment, the second direction that locking component 334 can be substantially vertical in the moving direction of trigger 320
Upper movement.Advantageously, locking mechanism 330 includes knob (knob) 340, and knob 340 is used for by user along the second direction
Pressure, or slided in the opposite direction perpendicular to the second direction by user, so that locking component 334 moves.
Locking component 334, which is associated with, act as driven member 350, V-arrangement recess portion with a pair of angled surface 353 and 354
352, the interior section of knob 340 acts on V-arrangement recess portion 352 as cam 342, so that locking component 334 can pass through knob
340 pressures are slided and are moved in the opposite direction.
In this embodiment, trigger 320 may include for the holding by being engaged in the locking component 334 of latched position
Device 322, and it is more than latched position that locking component 334, which is arranged to move when continuing enabling or movement in the rear, to make holding
Device 322 is opened and is detached from from the movement of locking component 334, to allow locking component 334 to return to unlocked position.
Preferably, trigger assembly 300 further includes the holding meanss 324 that can be discharged certainly, this can be from holding meanss of release
324, for retainer 322 to be temporarily kept in the crossover position being detached from locking component 334, fill so that locking component 134 has
The sufficient time returns to unlocked position, and then holding meanss 324 are discharged certainly to allow trigger 320 to return to open position.Favorably
Ground can may include spring-loaded ball catch 326 from the holding meanss 324 of release, in order to discharging certainly for holding meanss 324.
In this embodiment, locking mechanism 330 further includes cam 336, and cam 336 is used for when locking component 334 is described
It is follow-up to start or move retainer 322 when being moved more than latched position when mobile, to allow locking component 334 and retainer 322
It is detached from so that locking component 334 may return to unlocked position.
In an exemplary operations, 320 initial rest of trigger is on open position, as shown in figure 25.In order to activate electricity
Power driven tools 1, trigger 320 overcome spring 321 to be depressed to reach on-position, and retainer by the index finger of user
322 are moved by trigger 320 towards shell 310, as shown in figure 26.The knob 340 of locking mechanism 330 is depressed, or passes through
User one of in opposite direction, i.e., (as shown in figure 27) or overcomes (as shown in figure 28) the cunning of spring 345 and 346 upwards downwards
It is dynamic so that the pair of of V-arrangement recess portion 352 that the cam 342 of the interior section as knob 340 acts on driven member 350 is inclined
On skewed surface 353 and 354.Then, locking mechanism 330 overcomes spring 331 by driven member 350 by is moved, from there through guarantor
Locking component 334 is moved to latched position by holder 322 from unlocked position so that and locking component 334 is kept the locking of device 322,
As shown in Figure 27-28.Locking component 334 stops that trigger 320 returns to open position, as shown in figure 29 so that user is existing
His finger slave flipflop 320 and knob 340 can unclamped.
When user completes its drilling operation and wants deactivated electric tool 1, knob 340 is depressed again by user
Or sliding so that the movement of locking component 334 is more than latched position, and cam 336 is then by retainer 322 further to shell
310 movements, as shown in Figure 30-31.Retainer 322 from the spring-loaded ball catch 326 of the holding meanss 324 of release by can face
When be maintained at crossover position so that locking component 334 is no longer locked by retainer 322, and thus because being stored in the bullet of compression
Power in spring 331 and release back to unlocked position from latched position, as shown in figure 32.Trigger 320 is no longer locked component 334
Blocking, and open position can be returned to because of the power in the spring 321 for being stored in compression, as shown in figure 33.
With reference to figure 34-46, the fourth embodiment of the trigger assembly 400 for electric tool 1 is shown comprising：Shell
Body 410；Trigger 420, the trigger by shell 410 support for relative to shell 410 in open position and on-position
Between move；And locking mechanism 430, locking mechanism 430 have ontology 433, ontology 433 includes for locking trigger 420
It is scheduled on the moveable locking component 434 of on-position, trigger 120 can be locked in on-position by locking component 434
Latched position and trigger is moved between the unlocked position that on-position discharges；Wherein, locking component 434 is arranged to
Latched position is moved to when being enabled by user or movement, and when subsequently being enabled by user or being mobile back to unlock
Position.
In this embodiment, locking component 434 can be in the second direction substantially vertical with the moving direction of trigger 420
Upper movement.Advantageously, locking mechanism 430 includes knob 440, and knob 440 for being depressed or by making in a second direction by user
User slides in the opposite direction vertical with second direction, so that locking component 434 moves.
Locking component 434, which is associated with, act as driven member 450, V-arrangement recess portion with a pair of angled surface 453 and 454
452, the interior section of knob 440 acts on V-arrangement recess portion 452 as cam 442, can be depressed by knob 440 or in phase
Negative side's upward sliding and make locking component 434 move.
In this embodiment, trigger assembly 420 may include capture and release device 436, the capture and release device
436 are arranged in a part for the ontology 433 that locking mechanism 430 is captured when the enabling of locking component 434 or movement, with
Locking component 434 is locked in latched position, and the ontology 433 of release locking mechanism 430 in follow-up enabling or movement
The part, to allow locking component 434 to return to unlocked position.
Preferably, capture and release device 436 include can the moving direction of locking component 434 it is horizontal move up it is convex
Wheel 238.
In an exemplary operations, 420 initial rest of trigger is on open position, as shown in figure 34.In order to activate electricity
Power driven tools 1, trigger 420 overcome spring 421 to be depressed by the index finger of user, to reach on-position, as shown in figure 35, lock
The knob 440 for determining mechanism 430 is depressed, or one of in opposite direction by user, i.e., downwards (as shown in figure 36) or upward
(as shown in figure 37) overcomes spring 445 and 446 to slide so that the cam 442 of the interior section as knob 440 acts on driven
On the pair of inclined surface 453 and 454 of the V-arrangement recess portion 452 of part 450.Then, by driven member 450 overcome spring 431,
432, so that locking mechanism 430 is moved, so that capture and release device 436 is moved slightly outward from shell 410, such as Figure 36-37
It is shown, and locking component 434 is made, more than cam 438, such as to scheme towards the movement of the penetralia of capture and release device 436 in turn
Shown in 38-39.Then, capture and release device 436 are slightly moved towards shell 410, and locking component 434 is in turn by cam
438 are blocked at latched position, as shown in figure 40 so that user can be unclamped now with slave flipflop 420 and locking mechanism 430
His finger.
When user completes its drilling operation and wants deactivated electric tool 1, knob 440 is depressed again by user
Or sliding so that capture and release device 436 are slightly moved towards shell 410, as shown in Figure 41-42.Locking component 434 is no longer
Stopped by cam 438, and thus releases back to solution from latched position due to the power in the spring 431 and 432 for being stored in compression
Lock position, as shown in figs. 43-45.The no longer locked component 434 of trigger 420 stops, and can be because being stored in the bullet of compression
Power in spring 421 and return to open position, as shown in figure 46.
With reference to figure 47-53, the 5th embodiment of the trigger assembly 500 for electric tool 1 is shown comprising：Shell
Body 510；Trigger 520, the trigger by shell 510 support for relative to shell 510 in open position and on-position
Between move；And locking mechanism 530, locking mechanism 530 have ontology 533, ontology 533 includes for locking trigger 520
It is scheduled on the moveable locking component 534 of on-position, trigger 520 can be locked in on-position by locking component 534
Latched position and trigger is moved between the unlocked position that on-position discharges；Wherein, locking component 534 is arranged to
Latched position is moved to when being enabled by user or movement, and when subsequently being enabled by user or being mobile back to unlock
Position.
In this embodiment, trigger 520 includes for the retainer by being engaged in the locking component 534 of latched position
522, and it is more than latched position that locking component 534, which is arranged to move when continuing enabling or movement in the rear, to make retainer
522 open and are detached from from the movement of locking component 534, to allow locking component 334 to return to unlocked position.
Preferably, trigger assembly 500 further includes the holding meanss 524 that can be discharged certainly, this can be from holding meanss of release
524, for retainer 522 to be temporarily kept in the crossover position being detached from locking component 534, fill so that locking component 534 has
The sufficient time returns to unlocked position, and then holding meanss 524 are discharged certainly to allow trigger 520 to return to open position.Favorably
Ground can may include spring-loaded ball catch 526 from the holding meanss 524 of release, in order to discharging certainly for holding meanss 524.
In this embodiment, trigger 520 further includes the portion for moving retainer 522 when trigger 520 is depressed
Point, to allow locking component 534 to be detached from retainer 522 so that locking component 534 may return to unlocked position.
In an exemplary operations, 520 initial rest of trigger is on open position, as shown in figure 47.In order to activate electricity
Power driven tools 1, trigger 520 overcome spring 521 to be depressed by the index finger of user, to reach on-position, and retainer
522 are moved by trigger 520 towards shell 510, as shown in figure 48.Then, the thumb gram that locking mechanism 530 passes through user
It takes spring 531 to be depressed, locking component 534 is moved to latched position from unlocked position from there through retainer 522 so that lock
Determine component 534 to be locked by retainer 522, as shown in figure 49.Stop trigger 520 back to disconnection position by locking component 534
It sets, as shown in figure 50 so that user can unclamp his finger slave flipflop 520 and locking mechanism 530 now.
When user completes its drilling operation and wants deactivated electric tool 1, trigger 520 is pressed again by user
Under so that the part of trigger 520 makes retainer 522 be moved further towards shell 510, as shown in figure 51.522 quilt of retainer
It can be temporarily kept in crossover position from the spring-loaded ball catch 526 of the holding meanss 524 of release so that locking component 534 is not
It is locked again by retainer 522, and thus releases back to unlock from latched position due to the power in the spring 531 for being stored in compression
Position, as shown in figure 52.The no longer locked component 534 of trigger 520 stops, and can be because being stored in the spring 521 of compression
In power and return to open position, as shown in figure 53.
With reference to figure 54-61, the sixth embodiment of the trigger assembly 600 for electric tool 1 is shown comprising：Shell
Body 610；Trigger 620, the trigger by shell 610 support for relative to shell 610 in open position and on-position
Between move；And locking mechanism 630, locking mechanism 630 have ontology 633, ontology 633 includes for locking trigger 620
It is scheduled on the moveable locking component 634 of on-position, trigger 620 can be locked in on-position by locking component 634
Latched position and trigger is moved between the unlocked position that on-position discharges；Wherein, locking component 634 is arranged to
Latched position is moved to when being enabled by user or movement, and when subsequently being enabled by user or being mobile back to unlock
Position.
In this embodiment, locking component 634 can be in the second direction substantially vertical with the moving direction of trigger 620
Upper movement.Advantageously, locking mechanism 630 includes knob 640, and knob 340 for being depressed or by making in a second direction by user
User slides in the opposite direction vertical with second direction, so that locking component 634 moves.
Locking component 634, which is associated with, act as driven member 650, V-arrangement recess portion with a pair of angled surface 653 and 654
652, the interior section of knob 640 acts on V-arrangement recess portion 652 as cam 642 so that and then can be depressed by knob 640
Or it slides in the opposite direction and locking component 634 is made to move.
In this embodiment, trigger 620 may include for the holding by being engaged in the locking component 634 of latched position
Device 622, and it is more than latched position that locking component 634, which is arranged to move when continuing enabling or movement in the rear, to make holding
Device 622 is opened and is detached from from the movement of locking component 634, to allow locking component 634 to return to unlocked position.
Preferably, trigger assembly 600 further includes the holding meanss 624 that can be discharged certainly, this can be from holding meanss of release
624, for retainer 622 to be temporarily kept in the crossover position being detached from locking component 634, fill so that locking component 634 has
The sufficient time returns to unlocked position, and then holding meanss 624 are discharged certainly to allow trigger 520 to return to open position.Favorably
Ground can may include spring-loaded ball catch 626 from the holding meanss 624 of release, in order to discharging certainly for holding meanss 624.
In this embodiment, trigger 620 further includes the portion for moving retainer 622 when trigger 620 is depressed
Point, to allow locking component 634 to be detached from retainer 622 so that locking component 634 may return to unlocked position.
In an exemplary operations, 620 initial rest of trigger is on open position, as shown in figure 54.In order to activate electricity
Power driven tools 1, trigger 620 overcome spring 621 to be depressed by the index finger of user, to reach on-position, and retainer
622 are moved by trigger 620 towards shell 610, as shown in figure 55.The knob 640 of locking mechanism 630 is depressed, Huo Zheyou
User one of in opposite direction, i.e., downwards (as shown in figure 50) or upward (as shown in figure 50) overcome spring 645 and 646 and slide
It is dynamic so that the pair of of V-arrangement recess portion 652 that the cam 642 of the interior section as knob 640 acts on driven member 650 is inclined
Skewed surface 653 and 654.Then, by driven member 650 overcomes spring 631 make locking mechanism 630 move, from there through holding
Locking component 634 is moved to latched position by device 622 from unlocked position, to which locking component 634 is locked by retainer 622, such as
Shown in Figure 56-57.Locking component 634 stops that trigger 620 returns to open position, as shown in figure 58 so that user is present
His finger slave flipflop 620 and knob 640 can be unclamped.
When user completes its drilling operation and wants deactivated electric tool 1, trigger 620 is pressed again by user
Under so that the part of trigger 620 makes retainer 622 be moved further towards shell 610, as shown in figure 59.622 quilt of retainer
It can be temporarily kept in crossover position from the spring-loaded ball catch 626 of the holding meanss 624 of release so that locking component 634 is not
It is locked again by retainer 622, and thus releases back to unlock from latched position due to the power in the spring 631 for being stored in compression
Position, as shown in figure 60.The no longer locked component 634 of trigger 620 stops, and can be because being stored in the spring 621 of compression
In power and return to open position, as shown in Figure 61.
, should it should be appreciated that although trigger assembly shown in Fig. 2-61 is arranged to provide latch functions
Understand, trigger assembly may be modified as implementing latch functions in an identical manner, or provide simultaneously latch functions and
Go latch functions.
It is also understood that trigger assembly is not limited to the electric tool of such as electric drill, thus present invention can also apply to
Any other electric device driven by low current or high current.
It is also understood that trigger assembly is not limited to use in the electric tool of drilling, thus present invention can also apply to
It is many using field in any other electric tool for using, and be configured to such as cutting blade, sanding disc, grinding work
The other electronic various auxiliary tools and attachment of tool, dressing tool etc. are such as screwed for execution, percussive drilling, sawing, are cut
The various tasks cut, be ground, polish or modified etc..
It should be appreciated that above-mentioned only have shown and described the example that can execute the present invention, and the present invention is not being departed from
Spirit in the case of, it can be modified and/or change.
It is also understood that some features of for the sake of clarity present invention described in the context of separate embodiments
It can provide in single embodiment in a joint manner.In turn, for sake of simplicity, described in the context of single embodiment
The various features of the present invention can also be provided separately or be provided with any suitable sub-portfolio.
Claims (12)
1. a kind of trigger assembly for electric tool, including：
Shell；
Trigger, the trigger are supported by the shell, for relative to the shell in open position and on-position
Between move；With
Locking mechanism, the locking mechanism have ontology, and the ontology includes for the trigger lock to be scheduled on the connection
The moveable locking component of position, the locking component can be in the lockings that the trigger lock is scheduled on to the on-position
Position and the trigger is moved between the unlocked position that the on-position discharges；
Wherein, the locking component, which is arranged in, is enabled by user or is moved to the latched position, Yi Ji when mobile
It is subsequently enabled by user or returns to the unlocked position when mobile.
2. trigger assembly according to claim 1, wherein the trigger includes for by the latched position
The retainer of the locking component engagement, and the locking component is arranged to move when continuing enabling or movement in the rear and is more than
The latched position, to make the retainer open and be detached from from locking component movement, to allow the locking component to return
Return to the unlocked position.
3. trigger assembly according to claim 2, including can be from the holding meanss of release, the holding that can be discharged certainly
Device is used to the retainer being temporarily kept in the crossover position being detached from the locking component, so that the locking component
Having time returns to the unlocked position, and then the holding meanss are discharged certainly to allow the trigger to return to the disconnection
Position.
4. trigger assembly according to claim 3, wherein described can include spring-loaded from the holding meanss of release
Ball catch.
5. the trigger assembly according to any one of claim 2 to 4, wherein the locking mechanism includes cam, institute
Cam is stated for described in movement when movement is more than the latched position when the locking component continues and enables or is mobile in the rear
Retainer, to allow the locking component to be detached from the retainer so that the locking component can return to the solution lock-bit
It sets.
6. the trigger assembly according to any one of claim 2 to 4, wherein the trigger includes in institute
Stating makes the part of the retainer movement when trigger is depressed, to allow the locking component to be detached from the retainer,
The locking component is enable to return to the unlocked position.
7. trigger assembly according to claim 1, including capture and release device, the capture and release device arrangement
It, will be described at a part for the ontology for capturing the locking mechanism in the startup or movement of the locking component
Locking component is locked in the latched position, and it is follow-up start or it is mobile when discharge the ontology of the locking mechanism
The part, to allow the locking component to return to the unlocked position.
8. trigger assembly according to claim 7, wherein the capture and release device include can be in the locking
The horizontal cam moved up of the moving direction of component.
9. the trigger assembly according to any one of claim 1 to 8, wherein the locking component can with institute
The substantially vertical second party of moving direction for stating trigger moves up.
10. trigger assembly according to claim 9, wherein the locking mechanism include for by user along described
Second direction depresses the knob so that locking component movement.
11. trigger assembly according to claim 9, wherein the locking mechanism include for by user with institute
It states and slides the knob so that locking component movement in the vertical opposite direction of second direction.
12. trigger assembly according to claim 11, wherein the locking component be associated with act as driven member,
The interior section of V-arrangement recess portion with a pair of angled surface, the knob acts on the V-arrangement recess portion as cam, so that institute
Stating locking component can move by the knob slides in the opposite direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710112471.5A CN108511228B (en) | 2017-02-28 | 2017-02-28 | Trigger assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710112471.5A CN108511228B (en) | 2017-02-28 | 2017-02-28 | Trigger assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108511228A true CN108511228A (en) | 2018-09-07 |
| CN108511228B CN108511228B (en) | 2020-04-10 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710112471.5A Active CN108511228B (en) | 2017-02-28 | 2017-02-28 | Trigger assembly |
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| Country | Link |
|---|---|
| CN (1) | CN108511228B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2348668A1 (en) * | 1973-09-27 | 1975-04-03 | Kissling Gmbh | Microswitch consisting of two contacts inside housing bridged by blade - has rocker mechanism actuated by pushbutton locking in one or other stable position |
| CN1518023A (en) * | 2003-01-13 | 2004-08-04 | 德丰零件有限公司 | Trigger assembly of electric tool |
| CN1758394A (en) * | 2004-09-16 | 2006-04-12 | 德丰零件有限公司 | Lock-on/lock-off tool switch |
| CN203260511U (en) * | 2013-06-04 | 2013-10-30 | 科都电气有限公司 | Push switch |
-
2017
- 2017-02-28 CN CN201710112471.5A patent/CN108511228B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2348668A1 (en) * | 1973-09-27 | 1975-04-03 | Kissling Gmbh | Microswitch consisting of two contacts inside housing bridged by blade - has rocker mechanism actuated by pushbutton locking in one or other stable position |
| CN1518023A (en) * | 2003-01-13 | 2004-08-04 | 德丰零件有限公司 | Trigger assembly of electric tool |
| CN1758394A (en) * | 2004-09-16 | 2006-04-12 | 德丰零件有限公司 | Lock-on/lock-off tool switch |
| CN203260511U (en) * | 2013-06-04 | 2013-10-30 | 科都电气有限公司 | Push switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108511228B (en) | 2020-04-10 |
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| CB02 | Change of applicant information |
Address after: Hongmei second industrial zone Hongmei town Dongguan city Guangdong Province Applicant after: De Fengdian Polytron Technologies Inc Applicant after: Tak Fung Electric Co., Ltd. Address before: 523160 Hongmei second industrial zone, Hongmei Town, Dongguan, Guangdong Applicant before: Dongguan Chen Da Appliance Co., Ltd. Applicant before: Tak Fung Electric Co., Ltd. |
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