CN203141455U - Pneumatic tool trigger - Google Patents
Pneumatic tool trigger Download PDFInfo
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- CN203141455U CN203141455U CN 201320138596 CN201320138596U CN203141455U CN 203141455 U CN203141455 U CN 203141455U CN 201320138596 CN201320138596 CN 201320138596 CN 201320138596 U CN201320138596 U CN 201320138596U CN 203141455 U CN203141455 U CN 203141455U
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Abstract
The utility model discloses a pneumatic tool trigger which comprises an operational handle and a limiting mechanism. One end of the operational handle is connected on a body in a pivoting mode. The limiting mechanism comprises a pivoted rod and a limiting part arranged on the pivoted rod. The limiting part can be operated between a limiting position and a release position, wherein when the limiting part is located at the limiting position, the limiting part can abut against the operational handle so that that the operational handle can not drive a control assembly to move to an actuation position, and when the limiting part leaves the limiting position, the operational handle can drive the control assembly to move to the actuation position. In addition, the limiting part of the limiting mechanism can also be designed to be detachable or can be selectively arranged to prevent a pneumatic tool from operating due to the fact that the limiting part is touched by mistake or can be disassembled, and therefore in the operation process of the pneumatic tool, the pneumatic tool trigger is free of any limitation and can be freely operated.
Description
Technical field
The utility model relates to a kind of trigger configuration of power tool, particularly relevant for a kind of pneumatic tool trigger.
Background technology
Because of power tool for example pneumatic or electric tool etc. often because of false touch rotate may cause injury to personnel thing, therefore more and more power tools dispose security mechanism.
The TaiWan, China patent No. 401908 discloses a kind of push switch safeguard construction improvement of electric tool, it is to utilize a block of being located at the lever below to reach, yet before driving this power tool running, each desire must earlier block be pulled to the off-position, power tool is operated, very inconvenient in the operation, and still have false touch to pull the possibility of block.
The improvement that TaiWan, China patent M259674 discloses a kind of pneumatic tool secure validation command switch, this patent has disclosed a pneumatic tool and has installed a push button and a linked block, this push button and linked block can promote and the motion of selection backstop one pressing plate according to the user, start pneumatic tool to avoid the false touch pressing plate.Yet in practical operation, secure validation command switch may be opened the mechanism that the back does not have to return automatically the kayser state, still may false touch cause danger, and the structure of this type of secure validation command switch is comparatively complicated, manufacturing is difficult, assembling is more difficult.
TaiWan, China patent M399015 discloses a kind of security triggers structure, and it is to have a track and make the breach that this trigger can't interlock start switch at the track of this trigger pressurized displacement on trigger.And safety switch comprises a force-applying piece that promotes for the user application of force and one and the moving part of this force-applying piece interlock, and wherein this force-applying piece is installed on the track of this trigger, and can be subjected to user's application of force and along this track displacement.And this moving part comprises the enable position that can replace this start switch with the trigger displacement in the deformation trace that is subjected to this force-applying piece interlock.Yet, when this breach during corresponding to this start switch, though pressing plate can not be pressed against this start switch, but finger, elongate object or other foreign matters still might press this start switch via this breach, in addition, if this pressing plate or this breach or this start switch or any associated component produce distortion, perhaps this barbed portion or all obstruction, press this pressing plate and still can be pressed against this start switch and make the power tool running, therefore still may cause the danger that to expect.
In addition, comprise above-mentioned each patent person of taking off, most known trigger safeguard construction is all non-detachable, therefore all needs the security triggers structure is pulled to the off-position before each desire drives this pneumatic tool running, so air tool operation is very inconvenient.Even known trigger safeguard construction is removable group, its assembling begins to reach with disassembling latch fitting or pin member to be removed via extracting tool, very is difficult for (in fact user should not have reasonable motivation separates the trigger safeguard construction).
Therefore, be necessary the pneumatic tool trigger that a kind of novelty is provided and has progressive, to solve the above problems.
The utility model content
Main purpose of the present utility model is to provide a kind of pneumatic tool trigger, alternative mobile limiting mechanism is to restriction site, cause danger to prevent false touch from making this pneumatic tool running, in addition sustainable alignment restrictions mechanism is in the off-position, make this pneumatic tool can operate running at any time according to need and not need and before each desire drives this pneumatic tool running, trigger configuration is pulled to the off-position easy to operate, simple and easy and convenient air tool operation.In addition, but the restriction portion of this limiting mechanism can be designed to removal, be unrestricted and but free operant also can will should restriction portion be assembled to this limiting mechanism in this pneumatic tool process in operation, make this pneumatic tool running and cause danger with the false touch that prevents this Control Component.
For achieving the above object, the utility model is by the following technical solutions:
A kind of pneumatic tool trigger, for being located at an air tool body, this body also is provided with one for control this pneumatic tool start or the Control Component of closing and offers a slotted eye, and this Control Component can operate between a non-activated position and the activated position, and this pneumatic tool trigger comprises:
One lever, the one end is articulated in described body; And
One limiting mechanism, comprise that a hinged arm and radially is located at the restriction portion of this hinged arm, this hinged arm is articulated in described body, this restriction portion is located between described lever and this body and can rotates around an axle center of this hinged arm, and this restriction portion can operate between the off-position of restriction site and in this slotted eye outside described slotted eye;
Wherein, when described restriction site during in described restriction site, described lever can be replaced by this restriction portion and can not order about described Control Component to move to described activated position;
When described restriction site left in described restriction portion, described lever can order about described Control Component and move to described activated position.
Described hinged arm pivot passes through two ears at interval in this body, and described restriction site is between this two ear, and this restriction portion comprises one for offseting the portion that supports and of ending for the top of replacing described lever, wherein with described body:
When described restriction site during in described restriction site, the described portion that supports supports and terminates in described body and described hinged arm can not pivot, and described top is towards described lever;
When described restriction site leaves in described restriction portion, describedly support that portion is not supported by described body can to end and described hinged arm can pivot, described lever is butted on and can continues to compress described Control Component behind the described top and move to described activated position.
Described slotted eye comprises the second groove section that an opening is extended laterally by this first groove section towards the first groove section of described hinged arm and, wherein said restriction portion move into after this first groove section be controllably clip in this second groove section.
For achieving the above object, the utility model is also by the following technical solutions:
A kind of pneumatic tool trigger, for being located at an air tool body, this body also is provided with one for the Control Component of controlling this pneumatic tool start or closing, and this Control Component can operate between a non-activated position and the activated position, and this pneumatic tool trigger comprises:
One lever, the one end is articulated in described body, and offers a stopper slot, and this stopper slot comprises that one first stopper slot section, one second stopper slot section and laterally are communicated in the chute of this first stopper slot section and this second stopper slot section; And
One limiting mechanism, comprise that a hinged arm and radially is located at the restriction portion of this hinged arm, this restriction portion is articulated in described lever by this hinged arm, this restriction portion comprises that a section and of support ending that extends between described body and this lever extends the clip section that wore described stopper slot, and this restriction portion can rotate and operate between a restriction site and the off-position around an axle center of this hinged arm;
Wherein, when described restriction site during in described restriction site, described clip section clip is in the described first stopper slot section or described chute, and the described section of support ending can be supported to terminate in described body and should restriction portion support and ended described lever and make this lever can not order about described Control Component to move to described activated position;
When described restriction site left in described restriction portion, described clip section clip was in the described second stopper slot section or described chute, and described supporting ended Duan Keshou and be abutted against and be bordering on described lever, and this lever can order about described Control Component and move to described activated position.
Described hinged arm comprises one first end and one second end, and this first end has radially extended to form one first edge clipping along described hinged arm, and this second end has radially extended to form one second edge clipping along this hinged arm, wherein:
When described clip section clip was in the described first stopper slot section or the described second stopper slot section, a first side of described first edge clipping and described lever fastened;
When described clip section was arranged in described chute, described first edge clipping was arranged in described lever and can moves in this chute relative to below and this clip section.
When described clip section was arranged in the described first stopper slot section or the described second stopper slot section, the first side of described first edge clipping and described lever fastened, and described restriction portion can not move towards described second extreme direction.
For achieving the above object, the utility model is in addition by the following technical solutions:
A kind of pneumatic tool trigger, for being located at an air tool body, this body also is provided with one for the Control Component of controlling this pneumatic tool start or closing, and this Control Component can operate between a non-activated position and the activated position, and this pneumatic tool trigger comprises:
One lever, the one end is articulated in described body; And
One limiting mechanism, comprise that a hinged arm and that is articulated in described lever removably radially is located at the restriction portion of this hinged arm, this restriction portion comprises that radially extending one of these hinged arm two sides supports only section and a clip section, should be positioned between described body and this lever to ending section, this clip section extension wore this lever;
Wherein, end section when terminating in described body and described clip section block in described lever when described supporting, this lever can not order about described Control Component and move to described activated position;
When described restriction portion unloaded described hinged arm, described lever can order about described Control Component and move to described activated position.
Described hinged arm has radially provided one and has placed groove and place the groove inwall in this and be provided with one first fixed stop part, described restriction portion is provided with one second fixed stop part in outer surface, and this restriction portion is placed through this and places groove and by this second fixed stop part and this first fixed stop part fixed ending and removably be connected to described hinged arm mutually.
Described first fixed stop part and described second fixed stop part one are sunk structure wherein, and another person is projective structure.
Described clip section be formed with can with the stop section of described lever phase block, this stop section and describedly support to end radially two sides that section is located at described hinged arm respectively.
The utility model beneficial effect is: the utility model pneumatic tool trigger can cause danger to prevent this Control Component of false touch from making this pneumatic tool running by selective mobile this restriction portion to restriction site; The restriction that also can remove this restriction portion according to need can be turned round this pneumatic tool, more can will should restriction portion continuous positioning (leave this restriction site) in this off-position, so this lever can freely be pressed to drive this pneumatic tool running at any time according to need, and do not need all to need the security triggers structure is pulled to the off-position before each desire drives this pneumatic tool running as the known safe trigger configuration, so easy to operate, simple and easy and convenient air tool operation.
Description of drawings
Fig. 1 is the stereogram of the utility model first embodiment.
Fig. 2 is the exploded view of the utility model first embodiment.
Fig. 3 is the profile of the utility model first embodiment.
Fig. 3 A is the partial schematic diagram of Fig. 3.
Fig. 4 is another profile of the utility model first embodiment.
Fig. 4 A is the partial schematic diagram of Fig. 4.
Fig. 5 is the another profile of the utility model first embodiment.
Fig. 6 is the stereogram of the utility model second embodiment.
Fig. 7 is the exploded view of the utility model second embodiment.
Fig. 8-10 is the action schematic diagram of the utility model second embodiment.
Figure 11 is the stereogram of the utility model the 3rd embodiment.
Figure 12 is the partial schematic diagram of the utility model the 3rd embodiment.
Figure 13 is the exploded view of the utility model the 3rd embodiment.
Figure 14-15 is the action schematic diagram of the utility model the 3rd embodiment.
Drawing reference numeral: 10: body; 11: Control Component; 12: ear; 13: slotted eye; 131: the first groove sections; 132: the second groove sections; 20: lever; 30: limiting mechanism; 31: hinged arm; 32: restriction portion; 321: support portion; 322: the top; 33: the first flexible members; 40: lever; 41: stopper slot; 411: the first stopper slot sections; 412: the second stopper slot sections; 413: chute; 42: the first side; 50: limiting mechanism; 51: hinged arm; 511: the first ends; 512: the second ends; 513: the first edge clippings; 514: the second edge clippings; 52: restriction portion; 521: support and end section; 522: the clip section; 523: block protruding; 53: the second flexible members; 60: limiting mechanism; 61: hinged arm; 611: place groove; 612: the first fixed stop parts; 621: support and end section; 62: restriction portion; 622: the clip section; 623: the stop section; 624: the second fixed stop parts; 625: the three flexible members; 626: head part; 70: lever; 71: fluting.
The specific embodiment
Below only with embodiment the enforcement aspect that the utility model is possible is described, however be not in order to limit the category of the utility model institute desire protection, give earlier chat bright.
Please refer to Fig. 1 to Fig. 2, it shows first preferred embodiment of the present utility model, pneumatic tool trigger of the present utility model is for being located at an air tool body 10, this body 10 also is provided with one for the Control Component 11 of controlling this pneumatic tool start or closing, and this body 10 is provided with two interval ears 12 and offers a slotted eye 13.This Control Component 11 can operate between a non-activated position and the activated position, and this pneumatic tool can be electronic or pneumatic form.Wherein, when this Control Component 11 was positioned at this non-activated position, this pneumatic tool did not turn round, and when this Control Component 11 was positioned at this activated position, this pneumatic tool turned round.
This pneumatic tool trigger comprises a lever 20 and a limiting mechanism 30.These lever 20 1 ends are articulated in this body 10 and are positioned at this Control Component 11 top relative positions, and it is relative this body 10 pivots pendulum and optionally compress this Control Component 11 controllably.This limiting mechanism 30 comprises that a hinged arm 31, radially is located at restriction portion 32 and on this hinged arm 31 and is located at this restriction portion 32 and first flexible member 33 of 12 of ears wherein.
Please further cooperate again with reference to figure 3 and Fig. 3 A, Fig. 4 and Fig. 4 A and Fig. 5, this hinged arm 31 is articulated in this body 10, this restriction portion 32 is located between this lever 20 and this body 10 and can rotates around an axle center of this hinged arm 31, and this restriction portion 32 can operate between the off-position of restriction site and in this slotted eye 13 outside this slotted eye 13.Say in more detail, these hinged arm 31 pivots pass through two interval ears 12 in this body 10, this restriction portion 32 is between this two ear 12, this restriction portion 32 comprise one for and this body 10 offset the portion 321 that supports and of ending for the top 322 of replacing this lever 20, the trend that this first flexible member 33 forces these restriction portion 32 tools to move towards this restriction site, right this first flexible member 33 can be the element of selective setting, does not establish and also can.When this restriction portion 32 is positioned at this restriction site, should supports portion 321 and support and terminate in this body 10 and this hinged arm 31 can not pivot, this top 322 this lever 20 of can fending off; When this restriction site leaves in this restriction portion 32, should support that portion 321 is not supported by this body 10 can to end and this hinged arm 31 can pivot, this lever 20 is butted on and can continues to compress this Control Component 11 behind this top 322 and move to this activated position.
More at large say, shown in Fig. 3 and Fig. 3 A, when this restriction portion 32 is positioned at this restriction site, should support portion 321 and support the surface that terminates in these body 10 contiguous these slotted eye 13 places, this top 322 is replaced by this restriction portion 32 when this lever 20 and this lever 20 press down and can't be compressed this Control Component 11, so can not order about this Control Component 11 and move to this activated position; Shown in Fig. 4 and Fig. 4 A, this hinged arm 31 can move axially for move operation, make this restriction portion 32 be movable to respect to this slotted eye 13 positions, when this restriction site leaves and during with respect to this slotted eye 13 in this restriction portion 32, this hinged arm 31 can pivot, and this lever 20 can compress this top 322 and make it move into this slotted eye 13 and can continue to compress and order about this Control Component 11 and move to this activated position.
Please cooperate with reference to figure 4, Fig. 4 A and Fig. 5, in the present embodiment, this slotted eye 13 comprises the second groove section 132 that an opening is extended laterally by this first groove section 131 towards the first groove section 131 of this hinged arm 31 and, wherein should restriction portion 32 move into after these first groove sections 131 be controllably move into and clip in this second groove section 132, this first flexible member 33 forces this restriction portion 32 to move and be resisted against in this second groove section 132 towards this restriction site, this second groove section 132 limits this restriction portion 32 and can't rotate around the axle center of this hinged arm 31, that is this hinged arm 31 and this restriction portion 32 located, and pulls and can freely operate in the top that this lever 20 can not be subjected to this restriction portion 32.
Pass through said structure, this restriction portion 32 optionally is moved into this restriction site or this off-position, can control whether being touched of this Control Component 11, wherein should restriction portion 32 can lift restrictions according to need, and optionally be positioned this second groove section 132, so should restriction portion 32 sustainable these off-positions (leaving this restriction site) that are positioned, this lever 20 can freely be pressed to drive this pneumatic tool running at any time according to need, and do not need all to need the security triggers structure is pulled to the off-position before each desire drives this pneumatic tool running as the known safe trigger configuration, so structure of the present utility model is imitated the safe effect that prevents the trigger configuration false touch except having, and it is easy to operate, simple and easy and convenient air tool operation.
Please refer to Fig. 6 to Figure 10, it shows second preferred embodiment of the present utility model, compared to first preferred embodiment, lever 40 in the present embodiment offers a stopper slot 41, one limiting mechanism 50 comprises that a hinged arm 51 and radially is located at the restriction portion 52 on this hinged arm 51, and this restriction portion 52 is articulated in this lever 40 by this hinged arm 51.This stopper slot 41 comprises that one first stopper slot section 411, one second stopper slot section 412 and laterally are communicated in the chute 413 of this first stopper slot section 411 and this second stopper slot section 412, and these first stopper slot section, 411 position approximates are in these hinged arm 51 top relative positions.This hinged arm 51 comprises one first end 511 and one second end 512, this first end 511 has radially extended to form one first edge clipping 513 along this hinged arm 51, this second end 512 has radially extended to form one second edge clipping 514 along this hinged arm 51, with an axial sight of this hinged arm 51, this first edge clipping 513 is preferably formation one predetermined angle with the bearing of trend of this second edge clipping 514, and so this first edge clipping 513 and this second edge clipping 514 also can radially extend to form round flange by this hinged arm 51.This restriction portion 52 comprises that one extends supporting of 40 of this body 10 and this levers and ends section 521 and and extend the clip section 522 that wore this stopper slot 41, it is protruding 523 that one end of this clip section 522 is formed with a card, and this restriction portion 52 can rotate and operate between a restriction site and the off-position around an axle center of this hinged arm 51.
When this restriction portion 52 is positioned at this restriction site, this clip section 522 can be arranged in this first stopper slot section 411 or this chute 413, should support end section 521 this moment and be supporting to terminate in this body 10 and only should restriction portion 52 support this lever 40 making this lever 40 can not order about this Control Component 11 to move to this activated position.When this restriction site leaves in this restriction portion 52, these clip section 522 clips can be arranged in this second stopper slot section 412 or this chute 413, should support end section 521 and can receive to be abutted against and be bordering on this lever 40 when pressing this lever 40, this lever 40 also can order about this Control Component 11 and moves to this activated position.
When these clip section 522 clips are in this first stopper slot section 411 or this second stopper slot section 412, this first edge clipping 513 fastens (for example shown in Figure 10) with a first side 42 of this lever 40, and this restriction portion 52 is restricted and can not moves toward this second end 512; When this clip section 522 is arranged in this chute 413, this first edge clipping 513 is arranged in this lever 40 can move (for example shown in Figure 8) in this chute 413 relative to below and this clip section 522.Wherein the bearing of trend by this first edge clipping 513 and this second edge clipping 514 is the design that forms a predetermined angle, when this first edge clipping 513 and this second edge clipping 514 wherein one when fastening in this lever 40, another person can move into this lever 40 below relative positions, so can be beneficial to restriction or the release conditions of freely controlling this restriction portion 52.
In the present embodiment, this limiting mechanism 50 comprises second flexible member 53 of being located at 52 in this body 10 and this restriction portion in addition, the trend that this second flexible member 53 forces these restriction portion 52 tools to move towards this first end 511 or this second end 512.Under an original state, this second flexible member 53 is butted should restriction portion 52 to be resisted against in this chute 413 (as shown in Figure 8) it, this moment, the operation essence of this security triggers structure was same as the known safe trigger configuration, that is this clip section 522 is pulled toward these second stopper slot section, 412 directions, this lever 40 can compress this Control Component 11 and move to this activated position; at every turn Make it generally be parallel to this lever 40 and laterally this clip section 522 is moved in this second stopper slot section 412 when continuing to pull this clip section 522, and block protruding 523 with this and be placed in this second stopper slot section 412, and this first edge clipping 513 is fastened in the first side of this lever 40 42(such as Fig. 9-shown in Figure 10), this restriction portion 52 does not move towards these second end, 512 directions, so can locate this restriction portion 52 in this off-position and can prevent this this chute 413 of restriction portion 52 migrations, this lever 40 can freely be pressed to drive this pneumatic tool running at any time according to need; When fastening of the first side 42 that rotates this this first edge clipping 513 of hinged arm 51 releasings and this lever 40, this limiting mechanism 50 can automatically reply puts this original state.Whereby, this security triggers structure has the safe effect that prevents the trigger configuration false touch equally, and its easy to operate, simple and easy and convenient air tool operation.
Please refer to Figure 11 to Figure 15, it shows the 3rd preferred embodiment of the present utility model, compared to first preferred embodiment, limiting mechanism 60 in the present embodiment comprises that a hinged arm 61 and that is articulated in a lever 70 removably radially is located at the restriction portion 62 of this hinged arm 61, this restriction portion 62 comprises that radially extending one of these hinged arm 61 2 sides supports only section 621 and one a clip section 622, should support and end section 621 between this body 10 and this lever 70, this clip section 622 is extended a fluting 71 that wore this lever 70.This clip section 622 be formed with can with the stop section 623(of these lever 70 a phase blocks horizontal fin for example), radially two sides that section 621 was located at this hinged arm 61 are respectively ended with should supporting in this stop section 623.
More in particular, this hinged arm 61 has radially provided one and has placed groove 611 and place groove 611 inwalls in this and be provided with one first fixed stop part 612, this restriction portion 62 is provided with one second fixed stop part 624 in outer surface, and this restriction portion 62 is placed through this and places groove 611 and decide only removably to be connected to this hinged arm 61 mutually by this second fixed stop part 624 and this first fixed stop part 612.This first fixed stop part 612 and this second fixed stop part 624 wherein one can be sunk structure, and another person is projective structure.
In the present embodiment, this restriction portion 62 is provided with projective structure, this places groove 611 inwalls and is provided with the sunk structure that can establish for this projective structure card, and this projective structure comprises one the 3rd flexible member 625 be located in this restriction portion 62, and one compeled and at least part of head part 626 that protrudes from these restriction portion 62 surfaces by the 3rd flexible member 625 tops.Will be understood that, when this projective structure is to be formed at this to place groove 611 inwalls and this sunk structure is to be located at this restriction portion 62, the 3rd flexible member 625 of this projective structure is to be located at the placing in groove 611 inwalls of this hinged arm 61, and this head part 626 is compeled on the 3rd flexible member 625 tops makes its at least part of this hinged arm 61 that protrudes from place groove 611 inner wall surface.
When reality is used, under an original state, these clip section 622 1 sides are resisted against a cell wall in this fluting 71 and this stop section 623 and support and terminate in this cell wall below, so, should support end that section 621 obliquely is resisted against this body 10 and this stop section 623 fastens this lever 70 and makes it can not compress this Control Component 11 downwards to move to this activated position (as Figure 11, shown in Figure 13); When removing the clip of this stop section 623 and this lever 70 when pulling this restriction portion 62, this lever 70 can compress this Control Component 11 and move to this activated position.
Because this restriction portion 62 removably establishes with these hinged arm 61 grafting groups, so can according to use habit or need and can be simply should restriction portion 62 removals (as Figure 12, shown in Figure 15) with direct drawing mode, when this restriction portion 62 unloads this hinged arm 61, this lever 70 is unrestricted and can move to this activated position to order about this Control Component 11 for free operant.More clearly say, after removing this restriction portion 62, this lever 70 is unrestricted fully, the user is using this air tool any time point, all can directly press this lever 70 and drive this pneumatic tool running, not needing all needs the security triggers structure is pulled loaded down with trivial details action to the off-position before each desire drives this pneumatic tool running as the known safe trigger configuration, so it is easy to operate, simple and easy and convenient air tool operation, in addition can be after this pneumatic tool is finished using again should restriction portion 62 turn back to this hinged arm 61 and reply and have the function that backstop limits this lever 70, quite simple and easy facility.Generally speaking, this restriction portion 62 optionally organizes to establish to this hinged arm 61 and has the safe effect that prevents the trigger configuration false touch; And optionally can should restriction portion 62 be unloaded by these hinged arm 61 direct drawings in free-hand mode merely, do not need by other removal tool i.e. removable (known trigger safeguard construction is generally non-detachable or its assembling begins to reach with disassembling latch fitting or pin member to be removed via extracting tool), its easy to operate, simple and easy and convenient air tool operation.
To sum up, the utility model pneumatic tool trigger can cause danger to prevent this Control Component of false touch from making this pneumatic tool running by selective mobile this restriction portion to restriction site; The restriction that also can remove this restriction portion according to need can be turned round this pneumatic tool, more can will should restriction portion continuous positioning (leave this restriction site) in this off-position, so this lever can freely be pressed to drive this pneumatic tool running at any time according to need, and do not need all to need the security triggers structure is pulled to the off-position before each desire drives this pneumatic tool running as the known safe trigger configuration, so easy to operate, simple and easy and convenient air tool operation.
In addition, more conveniently, the restriction portion of this limiting mechanism can be designed to and can directly tear the group kenel open in free-hand mode, the user can maybe need this restriction portion removal according to use habit, but in this pneumatic tool process of operation, be unrestricted and free operant, certainly in case of necessity or this pneumatic tool should restriction portion be assembled to this limiting mechanism when not using, make this pneumatic tool running and cause danger with the false touch that prevents this Control Component.
Claims (10)
1. pneumatic tool trigger, for being located at an air tool body, this body also is provided with one for control this pneumatic tool start or the Control Component of closing and offers a slotted eye, this Control Component can operate between a non-activated position and the activated position, it is characterized in that this pneumatic tool trigger comprises:
One lever, the one end is articulated in described body; And
One limiting mechanism, comprise that a hinged arm and radially is located at the restriction portion of this hinged arm, this hinged arm is articulated in described body, this restriction portion is located between described lever and this body and can rotates around an axle center of this hinged arm, and this restriction portion can operate between the off-position of restriction site and in this slotted eye outside described slotted eye;
Wherein, when described restriction site during in described restriction site, described lever can be replaced by this restriction portion and can not order about described Control Component to move to described activated position;
When described restriction site left in described restriction portion, described lever can order about described Control Component and move to described activated position.
2. pneumatic tool trigger according to claim 1, it is characterized in that described hinged arm pivot passes through two interval ears in this body, described restriction site is between this two ear, this restriction portion comprise one for and described body offset the portion that supports and of ending for the top of replacing described lever, wherein:
When described restriction site during in described restriction site, the described portion that supports supports and terminates in described body and described hinged arm can not pivot, and described top is towards described lever;
When described restriction site leaves in described restriction portion, describedly support that portion is not supported by described body can to end and described hinged arm can pivot, described lever is butted on and can continues to compress described Control Component behind the described top and move to described activated position.
3. pneumatic tool trigger according to claim 2, it is characterized in that, described slotted eye comprises the second groove section that an opening is extended laterally by this first groove section towards the first groove section of described hinged arm and, wherein said restriction portion move into after this first groove section be controllably clip in this second groove section.
4. pneumatic tool trigger, for being located at an air tool body, this body also is provided with one for the Control Component of controlling this pneumatic tool start or closing, and this Control Component can operate between a non-activated position and the activated position, it is characterized in that this pneumatic tool trigger comprises:
One lever, the one end is articulated in described body, and offers a stopper slot, and this stopper slot comprises that one first stopper slot section, one second stopper slot section and laterally are communicated in the chute of this first stopper slot section and this second stopper slot section; And
One limiting mechanism, comprise that a hinged arm and radially is located at the restriction portion of this hinged arm, this restriction portion is articulated in described lever by this hinged arm, this restriction portion comprises that a section and of support ending that extends between described body and this lever extends the clip section that wore described stopper slot, and this restriction portion can rotate and operate between a restriction site and the off-position around an axle center of this hinged arm;
Wherein, when described restriction site during in described restriction site, described clip section clip is in the described first stopper slot section or described chute, and the described section of support ending can be supported to terminate in described body and should restriction portion support and ended described lever and make this lever can not order about described Control Component to move to described activated position;
When described restriction site left in described restriction portion, described clip section clip was in the described second stopper slot section or described chute, and described supporting ended Duan Keshou and be abutted against and be bordering on described lever, and this lever can order about described Control Component and move to described activated position.
5. pneumatic tool trigger according to claim 4, it is characterized in that described hinged arm comprises one first end and one second end, this first end has radially extended to form one first edge clipping along described hinged arm, this second end has radially extended to form one second edge clipping along this hinged arm, wherein:
When described clip section clip was in the described first stopper slot section or the described second stopper slot section, a first side of described first edge clipping and described lever fastened;
When described clip section was arranged in described chute, described first edge clipping was arranged in described lever and can moves in this chute relative to below and this clip section.
6. pneumatic tool trigger according to claim 5, it is characterized in that, when described clip section was arranged in the described first stopper slot section or the described second stopper slot section, the first side of described first edge clipping and described lever fastened, and described restriction portion can not move towards described second extreme direction.
7. pneumatic tool trigger, for being located at an air tool body, this body also is provided with one for the Control Component of controlling this pneumatic tool start or closing, and this Control Component can operate between a non-activated position and the activated position, it is characterized in that this pneumatic tool trigger comprises:
One lever, the one end is articulated in described body; And
One limiting mechanism, comprise that a hinged arm and that is articulated in described lever removably radially is located at the restriction portion of this hinged arm, this restriction portion comprises that radially extending one of these hinged arm two sides supports only section and a clip section, should be positioned between described body and this lever to ending section, this clip section extension wore this lever;
Wherein, end section when terminating in described body and described clip section block in described lever when described supporting, this lever can not order about described Control Component and move to described activated position;
When described restriction portion unloaded described hinged arm, described lever can order about described Control Component and move to described activated position.
8. pneumatic tool trigger according to claim 7, it is characterized in that, described hinged arm has radially provided one and has placed groove and place the groove inwall in this and be provided with one first fixed stop part, described restriction portion is provided with one second fixed stop part in outer surface, and this restriction portion is placed through this and places groove and by this second fixed stop part and this first fixed stop part fixed ending and removably be connected to described hinged arm mutually.
9. pneumatic tool trigger according to claim 8 is characterized in that, described first fixed stop part and described second fixed stop part one are sunk structure wherein, and another person is projective structure.
10. pneumatic tool trigger according to claim 7 is characterized in that, described clip section be formed with can with the stop section of described lever phase block, this stop section and describedly support to end radially two sides that section is located at described hinged arm respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320138596 CN203141455U (en) | 2013-03-25 | 2013-03-25 | Pneumatic tool trigger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320138596 CN203141455U (en) | 2013-03-25 | 2013-03-25 | Pneumatic tool trigger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203141455U true CN203141455U (en) | 2013-08-21 |
Family
ID=48969010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320138596 Expired - Fee Related CN203141455U (en) | 2013-03-25 | 2013-03-25 | Pneumatic tool trigger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203141455U (en) |
-
2013
- 2013-03-25 CN CN 201320138596 patent/CN203141455U/en not_active Expired - Fee Related
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