CN103372846A - Punching-in tool - Google Patents
Punching-in tool Download PDFInfo
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- CN103372846A CN103372846A CN2013100363566A CN201310036356A CN103372846A CN 103372846 A CN103372846 A CN 103372846A CN 2013100363566 A CN2013100363566 A CN 2013100363566A CN 201310036356 A CN201310036356 A CN 201310036356A CN 103372846 A CN103372846 A CN 103372846A
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- idle pulley
- switch lever
- driver
- squeezing
- limiting part
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Abstract
The invention provides a punching-in tool. For a punching-in tool with a sequential mechanism, the thickness of the locking switch rod and peripheral components is increased in order to prevent hammering fail through locking the pulling operation of a switch rod, which has to be capable of bearing excessive pulling operation, so that arranging two conventional mechanisms side by side are impossible. In the invention, the punching-in tool with a sequential mechanism is compactly assembled in a hammering fail-preventing mechanism. The punching-in tool is so structured that even pulling of the switch rod (5) is allowed, the hammering fail-preventing can be achieved by making the switch rod (5) conducting idle operation. In this way, the punching-in tool does not require durability of a conventional structure due to the idle operation of the switch rod (5) and can be compactly arranged with a sequential mechanism (S).
Description
Technical field
The present invention relates to for example driver of compressed air driven.
Background technology
For being driven into one by one the employed driver of operation of squeezing into material (timber etc.) such as nail etc. is squeezed into part, proposed multiple be used to preventing that it from squeezing into the countermeasure of action (misoperation) unexpectedly.For example, the technology that utilization order (sequential) mechanism prevents above-mentioned misoperation is disclosed in following patent documentation 1, this order mechanism makes driver only squeeze into action in the situation of having carried out operation according to the regular order that predetermines, and is not squeezing into action according to the situation of the wrong sequence complete operation different from regular order is next.
According to this existing order mechanism, leading section at the exit wound of bullet circumferential arrangement contact arm of driver, and another the distolateral user of being positioned at who makes contact arm pulls with finger tip near the switch lever of trigger form of operation, when carrying out drive operation, be about to the leading section of contact arm according to the advanced person and press on and squeeze into material and make making operation that another of contact arm move on distolateral, then carry out the normal operations order of pulling operation of switch lever, make the operation of pulling of switch lever effectively squeeze into action.Relative therewith, constitute, when sequentially carrying out drive operation according to the faulty operation of before the making operation that carries out contact arm, switch lever being pulled operation, even afterwards contact arm is carried out making operation, the operation of pulling of the switch lever that carries out first also is invalid, thereby does not squeeze into action.
Known driver has with above-mentioned order mechanism is independently empty mutually beats anti-locking mechanism, and this sky is beaten anti-locking mechanism and avoided squeezing in the nail bin to squeeze into action (sky is beaten) in the situation that part uses up, thus the damage that prevents from squeezing into material.The technology of beating anti-locking mechanism about above-mentioned sky is disclosed in the following patent documentation 2.
TOHKEMY 2008-213109 communique
TOHKEMY 2004-255558 communique
Yet, existing sky is beaten anti-locking mechanism and is constituted, in nail bin, squeeze in the situation that part uses up or squeeze into part and become in the following situation of certain radical, for example in the patent documentation 2 described above disclosed like that disable switch bar pull operation (trigger lock), perhaps forbid the making operation of contact arm.Therefore, beat in the situation that prevents mechanism action at sky, easily switch lever is applied than the common larger operating physical force of pulling, perhaps easily contact arm is applied than common larger pressing force.Therefore, the rigidity at the peripheral position of need improving the rigidity of existing switch lever, contact arm and they being supported, so taked to thicken the modes such as wall thickness of each position and each parts, therefore be difficult to realize its miniaturization, consequently, can't provide the driver that possesses said sequence mechanism also to possess empty structure of beating anti-locking mechanism.
Summary of the invention
The present invention finishes in view of above-mentioned existing problem, so its purpose is to provide also possesses the empty anti-locking mechanism driver of beating except order mechanism.
Utilize following invention to solve above-mentioned problem.
The first invention is a kind of driver, it possesses order mechanism, by this order mechanism so that only in the situation according to the regular order complete operation of pulling operation that carries out switch lever after contact arm is carried out making operation, just squeeze into action, above-mentioned driver also possesses the empty anti-locking mechanism of beating, its surplus of squeezing into part in nail bin becomes in the situation below certain radical, make switch lever to pull operation invalid.
According to the first invention, except possessing order mechanism, also possesses the empty anti-locking mechanism of beating.Empty beat anti-locking mechanism and constitute, (trigger lock) do not forbidden in the operation of pulling of switch lever, but make pull operate invalid.Therefore, owing to can not apply the operating physical force of pulling than usually larger (excessive) to this switch lever, so need not as existing structure, to improve the rigidity at the peripheral position of its rigidity and this switch lever, can realize thus the miniaturization such as lightening at switch lever and peripheral position thereof, compactly assembling sequence mechanism and emptyly beat anti-locking mechanism.
The second invention is a kind of driver on the basis of the first invention, it possesses idle pulley, this idle pulley is can the mode of relative shift being arranged at this switch lever between active position and inoperative position, and to this switch lever pull operation effectively, the invalid switching, driver also possesses the idle pulley limiting part, it is can and allowing idle pulley to be arranged between this idle pulley and the contact arm towards mode mobile between the unrestrained position of inoperative position displacement at the restriction site that this idle pulley is fixed on active position, order mechanism constitutes, make the idle pulley limiting part be displaced to restriction site and idle pulley is fixed on active position by the normal operations order, thereby what make switch lever pulls operation effectively, on the other hand, be positioned at contact arm under the state of closed position, make the idle pulley limiting part be positioned at unrestrained position and allow idle pulley to be shifted towards inoperative position, thereby it is invalid that pulling of switch lever operated, sky is beaten anti-locking mechanism and is constituted, possesses the surplus detection part, its surplus of squeezing into part in nail bin becomes certain radical when following, move to the surplus detection position, the idle pulley limiting part is supported on this surplus detection part, make this idle pulley limiting part allow idle pulley to be shifted towards inoperative position from keeping out of the way between idle pulley and the contact arm by making both move to integratedly the surplus detection position, thereby it is invalid that pulling of switch lever operated.
According to the second invention, if the surplus of squeezing into part in the nail bin becomes below certain radical, then the idle pulley limiting part keep out of the way to neither its restriction site neither unrestrained position the 3rd position and allow idle pulley towards the displacement of inoperative position, thereby make switch lever to pull operation invalid.Therefore, no matter be regular operating sequence or wrong operating sequence, the surplus of squeezing into part in nail bin becomes in the situation below certain radical, although can carry out the operation of pulling of switch lever, but utilize empty beat anti-locking mechanism make its pull operate invalid, thereby do not squeeze into action.
Like this, beat anti-locking mechanism according to above-mentioned sky, even carry out the operation of pulling of switch lever, thereby this is pulled operate the invalid action of not squeezing into, therefore, can not apply to switch lever the excessive operating physical force of pulling of existing trigger lock structure, compare thus the miniaturization that can realize switch lever and periphery thereof with existing structure.
The 3rd invention is a kind of driver on the basis of the second invention, and wherein, the idle pulley limiting part is supported on the surplus detection part in the mode that can rotate.
According to the 3rd invention, if the surplus of squeezing into part in the nail bin becomes below certain radical, then the surplus detection part moves to the detection position, and idle pulley limiting part and surplus detection part are kept out of the way integratedly to above-mentioned the 3rd position.The idle pulley limiting part is supported to and can rotates between restriction site and unrestrained position with respect to the surplus detection part.In the situation that the surplus of squeezing into part in nail bin is Duoed than certain radical, the surplus detection part is positioned at non-detection position, and at this moment, the idle pulley limiting part rotates between restriction site and unrestrained position.
The 4th the invention be the 3rd the invention the basis on a kind of driver, wherein, towards the unrestrained position side to the idle pulley limiting part application of force.
According to the 4th invention, by towards allow to the unrestrained position side, be the displacement of the inoperative position of idle pulley make switch lever pull the invalid side of operation (secure side) to the idle pulley limiting part application of force, thereby prevent from reliably squeezing into unexpectedly action.
The 5th invention is a kind of driver on the basis of arbitrary invention in the first ~ the 4th invention, it constitutes, possess for adjustment at nail bin and to squeeze into part with respect to the driving depth adjusting device of the driving depth of squeezing into material, this driving depth adjusting device possesses and the material abutment arms of squeezing into the material butt, adjusts driving depth by changing this material abutment arms with respect to the position of exit wound of bullet.
According to the 5th invention, change the interval between material and the exit wound of bullet squeezed into when tool body carried out pressing operation (making operation of contact arm) by the position that changes the material abutment arms, can adjust driving depth.Therefore, can omit the needed length adjusting mechanism of situation that the length that changes contact arm changes the structure of driving depth, thus, can realize the structure of this contact arm periphery and even the miniaturization at switch lever and peripheral position thereof, assembling sequence mechanism and sky are beaten anti-locking mechanism compactly.
Description of drawings
Fig. 1 is the whole front view of the related driver of present embodiment.
Fig. 2 is the whole rearview of the related driver of present embodiment.
Fig. 3 is the longitudinal section of the related driver of present embodiment.Originally illustrate original state.Originally illustrate driving depth is set as the darkest state.
Fig. 4 is the longitudinal section of driver.Originally illustrate the state after from original state shown in Figure 3 contact arm being connected.
Fig. 5 is the longitudinal section of driver.Originally illustrate with the normal operations order and finish the state of squeezing into action, that is, contact arm is connected afterwards switch lever is pulled operation.
Fig. 6 is the longitudinal section of driver.Originally illustrate original state.Originally illustrate driving depth is set as the most shallow state.
Fig. 7 is the longitudinal section of driver.Originally illustrate the state after from original state shown in Figure 6 contact arm being connected.
Fig. 8 is the longitudinal section of driver.Originally illustrate with the normal operations order and finish the state of squeezing into action, that is, contact arm is connected afterwards switch lever is pulled operation.
Fig. 9 is the longitudinal section of driver.Originally illustrate the state of first switch lever being pulled the faulty operation order of operation from original state shown in Figure 3 of finishing.
Figure 10 is the longitudinal section of driver.Originally illustrate after faulty operation shown in Figure 9 order the state after contact arm carried out making operation.
Figure 11 is the longitudinal section of driver.Originally illustrate original state.Originally illustrate and squeeze into the state that part is used up in the nail bin.
Figure 12 is the longitudinal section of driver.Originally illustrate and keep squeezing in the nail bin state that part uses up and unchangeably contact arm is carried out state behind the making operation.
Figure 13 is the longitudinal section of driver.Originally illustrate to finish from state shown in Figure 12 switch lever is pulled the normal operations order of operation, and the empty state that prevents mechanism action and squeeze into action of beating.
The specific embodiment
Next, in conjunction with Fig. 1 ~ Figure 13 embodiments of the present invention are described.Fig. 1 and Fig. 2 show the outward appearance of the related driver of present embodiment 1, and Fig. 3 shows later on its internal structure.The related driver 1 of present embodiment possesses: main part 2, and it is built-in with the striking mechanism take cylinder 11 and piston 12 as main body; Handle portion 3, it grips for the user; And nail bin 4, it can load a plurality of part n ~ n that squeeze into.Handle portion 3 is set to the state that extends from the sidepiece of main part 2 towards side direction.Dispose near the base portion of handle portion 3 pull the switch lever 5 of operation for the user and be configured in this switch lever 5 above and effectively pull the triggering valve 20 opened of operation by this switch lever 5.
Front end face at handle portion 3 is provided with the attachment plug 3a that supplies with the air hose of usefulness for connection compressed air.In the 3b of pressure accumulating chamber of the inside that is formed at handle portion 3, supply with compressed air by the air hose that is connected with this attachment plug 3a.This driver 1 moves take the compressed air of pressure accumulation in the 3b of this pressure accumulating chamber as drive source.Shown in after Fig. 3, in handle portion 3, except the 3b of this pressure accumulating chamber, also be provided with exhaust chamber 3c.Main part 2 and the exhaust that triggers valve 20 are discharged from the exhaust outlet of the front end that is arranged at handle portion 3 via this exhaust chamber 3c.
Beating machine head 10 is set to the state that extends towards the below from the bottom of main part 2.Be formed with in the inside of this beating machine head 10 and squeeze into path 10b.At the front end of squeezing into path 10b and be that the front end (lower surface) of beating machine head 10 is provided with exit wound of bullet 10a.To squeeze into part n from this exit wound of bullet 10a gets one by one.Be extruded with adjacently the leading section 6a of contact arm 6 from the front end of beating machine head 10 with exit wound of bullet 10a.Aftermentioned illustrates this contact arm 6.
To be equipped with nail bin 4 across the state between the front end of beating machine head 10 and handle portion 3.Many squeeze into part n ~ n side by side interim in conjunction with and be loaded in this nail bin 4 with the state that part is squeezed in the binding with writing board shape.Be seated in a plurality of in the nail bin 4 and squeeze into part n ~ n being loaded towards squeezing into the state that path 10b side presses by the propeller 4b of the pushed spring 4a application of force, and carried by spacing linkedly with the action of squeezing into of main part 2.In after Fig. 1 and Fig. 3, squeeze into part n ~ n and carried by spacing to (squeezing into the part transport direction) with the left that hollow arrow represents in the figure.The a plurality of part n ~ n that squeeze into of filler 4c filling that squeeze into part transport direction rearward end from nail bin 4.
In the transport direction rearward end of nail bin 4, be provided with the bar 7 that in the time will squeezing into part n ~ n and fill in this nail bin 4, is used for opening and closing the nail bin cap.
Lower surface at nail bin 4 is provided with driving depth adjusting device 8.This driving depth adjusting device 8 possesses with the rectangular material abutment arms 8a that squeezes into material W butt and is used for changing the adjustment dial 8b of the position of material abutment arms 8a.The base end side of material abutment arms 8a (being the right-hand member side among Fig. 1) is fixed in the lower surface of nail bin 4.Be left end side among leading section 8e(Fig. 1 of this material abutment arms 8a) can be shifted up and down.The post-equalization power court that this material abutment arms 8a is produced by the strain because of self makes direction (direction for verting toward the clockwise direction among Fig. 1) application of force of its leading section 8e side direction top displacement.Between the lower surface of the leading section 8e of material abutment arms 8a and nail bin 4, be supported with and adjust dial 8b.This adjustment dial 8b has circular plate shape, and is supported on the lower surface of nail bin 4 in mode that can rotary manipulation.Adjust the lower surface of dial 8b at this, along circumferentially being formed with a plurality of engaging recessed part 8c ~ 8c.At the upper surface of the leading section 8e of material abutment arms 8a, be provided with the engaging protuberance 8d that embeds each engaging recessed part 8c.The degree of depth of adjusting engaging recessed part 8c ~ 8c of dial 8b upwards gradually changed in its week.By being rotated operation engaging protuberance 8d be embedded in the different engaging recessed part 8c of the degree of depth adjusting dial 8b, the leading section 8e that can change up and down thus this material abutment arms 8a with respect to the position of nail bin 4 and even exit wound of bullet 10a with respect to the position of squeezing into material W (driving depth).
If such as Fig. 1 and make as shown in Figure 2 engaging protuberance 8d be sticked in the darkest engaging recessed part 8c that adjusts dial 8b, then leading section 8e becomes with respect to the immediate state of the lower surface of nail bin 4, and driving depth is maximum under this state.On the contrary, if make engaging protuberance 8d be sticked in the most shallow engaging recessed part 8c that adjusts dial 8b, then leading section 8e become with respect to the lower surface of nail bin 4 away from state, driving depth is the most shallow under this state.
Under the lower surface that makes the material abutment arms 8a that has carried out the position adjustment by the rotary manipulation of adjusting dial 8b and the state of squeezing into material W butt, squeeze into, be driven into the driving depth of setting and squeeze into material W thereby will squeeze into part n.
The driver 1 of present embodiment is possessing the order S of mechanism and empty beating anti-locking mechanism K this respect and have the feature that existing driver does not have, the S of said sequence mechanism makes driver 1 only just carry out the action of squeezing into of main part 2 in the situation of having carried out operation with regular order, and above-mentioned sky is beaten anti-locking mechanism K for preventing that the sky that the surplus of squeezing into part n ~ n in nail bin 4 becomes the main part 2 in the situation below certain radical from beating.Below, before two S of mechanism, K are described, main part 2 and the internal structure and the action thereof that trigger valve 20 are described.
Shown in after Fig. 3, in main part 2, be built-in with columnar cylinder 11.In the inside of cylinder 11, be built-in with piston 12 in the mode that can move up and down airtightly.The rectangular strike driver 13 of squeezing into part and hit usefulness is set to the state that extends towards the below in long way from the lower surface center of piston 12.The bottom of this strike driver 13 enters into squeezing in the path 10b of beating machine head 10.If by the lower in-migration of piston 12 in cylinder 11 this strike driver 13 is moved down, then be supplied to a head of squeezing into part n of squeezing in the path 10b and hit and get from exit wound of bullet 10a.Get one squeezing into part n keeps intact to be driven into unchangeably and squeezes into material W.
Finish moving down of piston 12 by supplying with compressed air in the chamber 12a on the piston of cylinder 11.By make when squeezing into, be supplied to the compressed air in the 12a of chamber on the piston via be arranged at cylinder 11 around return that air chamber 11b flows under the piston chamber 12b and with chamber 12a on the piston to atmosphere opening, finish piston 12 on move.Opening/closing by above-mentioned triggering valve 20 moves to carry out to the compressed-air actuated supply of chamber 12a on the piston with to the switching (supply and exhaust) of atmosphere opening.Open if trigger valve 20, then supply with compressed air and piston 12 is moved down via supply and exhaust path 14 chamber 12a on the piston from the 3b of pressure accumulating chamber, finish and squeeze into action.Close if trigger valve 20, then chamber 12a makes piston 12 be back to top dead centre via supply and exhaust path 14 and exhaust chamber 3c to atmosphere opening on the piston.
The opening/closing action that triggers valve 20 is finished in the releasing that operates or pull operation by pulling of switch lever 5.The operation of effectively pulling by switch lever 5 makes and triggers valve 20 and open, and the releasing of pulling operation by switch lever 5 makes and triggers valve 20 and close.
Fig. 3 shows the original state of main part 2 and triggering valve 20 and is the non-operating state of this driver 1.Therefore, in Fig. 3, piston 12 is positioned at top dead centre.Fig. 5 shows the state of squeezing into action moment of finishing.Therefore, in Fig. 5, piston 12 is positioned at lower dead center.Below, in conjunction with Fig. 3 and Fig. 5 main part 2 and the action that triggers valve 20 are described simply.
At first, in original state shown in Figure 3 and be under the state of switch lever 5 the not being pulled operation closed condition of valve 20 (trigger), the valve rod 21 that triggers valve 20 is positioned at the closed position outstanding towards the below because of bar spring 22.In this closed position, operating valve 23 forms the state that is positioned at upside by the active force of the air pressure of the 3b of pressure accumulating chamber that acts on its lower surface and bar spring 22 with respect to valve buckle body 24.Under this state, the air pressure that forms the 3b of pressure accumulating chamber acts on the state of the lower surface of main valve 25 via interior all sides of valve buckle body 24.Therefore, main valve 25 forms the active force of air pressure by acting on its lower surface and valve spring 26 and is positioned at the state of the atmosphere opening position of upside with respect to valve buckle body 24.Be positioned at main valve 25 under the state of this atmosphere opening position, chamber 12a is blocked with respect to the 3b of pressure accumulating chamber on the piston, and forms the atmosphere opening state that is communicated with exhaust chamber 3c via supply and exhaust path 14.
Next, if overcome bar spring 22 and side pressure up enters valve rod 21 by the operation of effectively pulling of carrying out as shown in Figure 5 switch lever 5, then trigger valve 20 and open.If side pressure up enters valve rod 21, then the lower face side of operating valve 23 is to atmosphere opening, thus the air pressure of the pressure accumulating chamber 3b of this operating valve 23 by acting on its underpart outer peripheral face overcome bar spring 22 active force and with respect to valve buckle body 24 side displacement down.If operating valve 23 is with respect to valve buckle body 24 side displacement down, then the lower surface of main valve 25 is blocked with respect to the 3b of pressure accumulating chamber, and forms the state that the steam vent 25a via the interior all sides that are arranged at valve buckle body 24 and top is communicated with exhaust chamber 3c.In addition, always act on the air pressure of the 3b of pressure accumulating chamber at the lower, outer perimeter face of main valve 25.Therefore, if the lower face side of main valve 25 to atmosphere opening, then the air pressure of the pressure accumulating chamber 3b of this main valve 25 by acting on its outer peripheral face active force that overcomes valve spring 26 is displaced to the air supply position of downside, thus this triggering valve 20 is opened.Open if trigger valve 20, then supply with compressed air via supply and exhaust path 14 to the 3b of pressure accumulating chamber in the 12a of chamber from the piston.If the compressed air in the 12a of chamber moves down piston 12 on the piston by being supplied to, then make as mentioned above like that and hit under driver 13 one in-migration and finish and squeeze into.
If piston 12 arrives lower dead center, then the compressed air in the 12a of chamber flow into via the airport 11a ~ 11a that is arranged at cylinder 11 and returns in the air chamber 11b on the piston.Flow into the lower surface that the compressed air that returns in the air chamber 11b flow under the piston in the 12b of chamber via the airport 11c of the bottom that is arranged at cylinder 11 and acts on piston 12.This returns air becomes the drive source that moves on the piston 12 be used to making.
Finish squeeze into after, if cancel switch bar 5 pull operation, then the active force of valve rod 21 by bar spring 22 closed position of returning downside is closed this triggering valve 20.If valve rod 21 is back to the closed position, then the air pressure of the 3b of pressure accumulating chamber acts on the lower surface of operating valve 23 and makes this operating valve 23 with respect to moving on the valve buckle body 24.If move on the operating valve 23, then the lower surface that acts on main valve 25 of the air pressure by the 3b of pressure accumulating chamber makes this main valve 25 with respect to moving on the valve buckle body 24.If move on the main valve 25, then chamber 12a and supply and exhaust path 14 are blocked with respect to the 3b of pressure accumulating chamber on the piston, and form the state that is communicated with exhaust chamber 3c.If to atmosphere opening, then the air that returns in the 12b of chamber is back to top dead centre to piston 12 under the piston by flowing into chamber 12a on the piston.
As described above, the operation of effectively pulling by switch lever 5 makes and triggers valve 20 and open, and thus, finishes the action of squeezing into of main part 2.After squeezing into, if the cancel switch bar pull operation, trigger then that valve 20 cuts out and main part 2 returns original state.Only utilizing the following S of order mechanism that illustrates just to carry out the action of squeezing into of this main part 2 in the situation of normal operations operation in tandem switch lever 5 and contact arm 6.
The mode that switch lever 5 operates verting up and down via fulcrum 5a is supported on the below that is arranged on triggering valve 20 and is the pedestal section of mechanism 16 of the sidepiece of main part 2.Be supported with idle pulley 9 at the back side of switch lever 5 (upper surface).This idle pulley 9 is supported to and can verts up and down via fulcrum 9a, and has effective, the invalid function of pulling operation that between with respect to the active position of switch lever 5 and inoperative position relative shift switches this switch lever 5.Utilization omitted illustrated torsion spring towards the direction that the rotation leading section of this idle pulley 9 is pressed on valve rod 21 (among Fig. 3 for clockwise active position side) to these idle pulley 9 application of forces.Make the rotation leading section of idle pulley 9 always form state with valve rod 21 butts by the active force towards this active position side.In addition, by idle pulley 9 towards the closed position side of the reaction force of the active force of the active position side downside in each figure to switch lever 5 application of forces.
If carry out the operation of pulling of switch lever 5 with the state that idle pulley 9 is remained on active position, then pull the displacement towards the top that operates the idle pulley 9 that produces by being accompanied by this, thereby be pressed into the valve rod 21 that triggers valve 20 towards the top.If cancel switch bar 5 pull operation, then the active force of the bar spring 22 by putting on valve rod 21 makes this switch lever 5 and idle pulley 9 be back to the initial position (closed position) of downside.
Near the rotation base portion of switch lever 5, be provided with the trigger lock mechanism take the stop pin 15 of cylindrical shape as main body.Be provided with the operation recess 15a that forms along its radial slot at stop pin 15.If operation rotates to an angle this stop pin 15 by securing rod shown in Figure 1 18 is verted, thereby make operation recess 15a become state towards the below, it is interior and allow the unlock state of pulling operation of this switch lever 5 that the end that then forms switch lever 5 enters into this operation recess 15a.If towards latched position securing rod 18 is verted operation and the operation recess 15a of stop pin 15 is switched to state towards the top, become then that the end of switch lever 5 and this stop pin 15 interfere and the trigger lock state of pulling operation of forbidding this switch lever 5.All represent unlock state in the accompanying drawing, in the following description also take this trigger lock mechanism as unlock state as prerequisite.
When squeezing into operation, by so that the front end of the beating machine head 10 of driver 1 carries out pressing operation with the state of squeezing into material W butt to this driver 1, thereby form the leading section 6a state not outstanding with respect to moving on the beating machine head 10 of contact arm 6, thus, contact arm 6 integral body are with respect to moving on the beating machine head 10.If move on the contact arm 6, then the operating member 6b of its upper end is shifted towards the top.
Between the operating member 6b of contact arm 6 and idle pulley 9, dispose idle pulley limiting part 30.This idle pulley limiting part 30 can be supported on action sliding part 32 rotationally via fulcrum 31.This idle pulley limiting part 30 is set to can be mobile between unrestrained position shown in Figure 3 and restriction site shown in Figure 4.Utilization is folded in the direction (being anticlockwise unrestrained position side in the later figure of Fig. 3) of the operating member 6b side displacement of Compress Spring 34 towards the restriction arm 30a that makes the hook-type that is arranged at these restriction arm 30 tops to contact arm 6 between restriction arm 30 and the action sliding part 32 to these restriction arm 30 application of forces.
The order S of mechanism is made of switch lever 5, contact arm 6 and idle pulley limiting part 30.Fig. 3 ~ Fig. 5 shows in the driving depth with driving depth adjusting device 8 and is adjusted into the situation of squeezing into action that operates to carry out main part 2 under the maximum state with regular order.Fig. 6 ~ Fig. 8 shows the situation of squeezing into action that operates to carry out equally main part 2 under with the state of the driving depth adjustment minimum of driving depth adjusting device 8 with regular order.The adjustment state of the driving depth of the former with the latter is different, and the action this point is identical operating to squeeze into regular order, and therefore, unification describes both.In addition, both in being in nail bin 4, be filled with driver n ~ n of surpassing certain radical, its surplus abundance and aftermentioned empty to beat the state this point that anti-locking mechanism K is failure to actuate identical.
Fig. 3 and Fig. 6 show the original state (non-operating state) of driver 1.Under this original state, the leading section 6a of contact arm 6 is outstanding from the front end of beating machine head 10.It is outstanding measure-alike and irrelevant with the adjustment state of above-mentioned driving depth adjusting device 8.
In addition, under this original state, form the state of unrestrained position of top that the restriction arm 30a that utilizes Compress Spring 34 that idle pulley limiting part 30 is positioned to make this idle pulley limiting part 30 is positioned at the operating member 6b of contact arm 6.
Be positioned at the original state of unrestrained position from idle pulley limiting part 30, at first make beating machine head 10 towards the leading section 6a that squeezes into material W and make contact arm 6 with squeeze into material W butt.Under this butt state, such as Fig. 4 with as shown in Figure 7 this driver 1 is carried out pressing operation and come relatively leading section 6a towards top face contact arm 6, and become the material abutment arms 8a that makes driving depth adjusting device 8 and the state of squeezing into material W butt.Form the front end that makes beating machine head 10 and squeeze into the state (Fig. 4) of material W butt or form the front end that makes beating machine head 10 and the state (Fig. 7) of squeezing into material W and approaching by this pressing operation, thus the making operation that the integral body of finishing contact arm 6 is moved relatively with respect to beating machine head 10 and main part 2.Overcome Compress Spring 17 and carry out this making operation.
Making operation by contact arm 6 makes the operating member 6b on its top be shifted towards the top.This displacement towards the top (path increment) based on the making operation of contact arm 6 is different because of the adjustment state of driving depth adjusting device 8, and driving depth is larger, and this displacement is larger.Utilize Fig. 4 and Fig. 7 to show clearly operating member 6b with respect to the different situation of relative position of pedestal section of mechanism 16.
Such as Fig. 4 and shown in Figure 7, if the making operation by contact arm 6 makes its operating member 6a be shifted towards the top, then press the restriction arm 30a of idle pulley limiting part 30 towards the top, consequently, this idle pulley limiting part 30 overcomes Compress Spring 34 and rotates towards diagram clockwise direction (restriction site side).If idle pulley limiting part 30 rotates towards idle pulley restriction direction, then become like that as shown the idle pulley restriction state of the back side (lower surface) butt of the rotation front of its leading section and idle pulley 9.Under this idle pulley restriction state, idle pulley 9 becomes and is maintained at active position and has been limited towards the state of the displacement of inoperative position side.
In addition and since nail bin 4 interior residual the surplus abundance that surpasses certain radical arranged squeeze into part n ~ n, so surplus detection part 35 forms the state that can't enter into the top butt of propeller 4b in the nail bin 4, namely sky is beaten the state that anti-locking mechanism K is failure to actuate.Therefore, because action sliding part 32 and even idle pulley limiting part 30 form can not be towards the state of below displacement, so idle pulley limiting part 30 is accepted the reaction force that is pressed into of the valve rod 21 that applies via idle pulley 9 by idle pulley 9, consequently, idle pulley 9 forms and is maintained at its active position and has been limited reliably towards the state of the displacement of inoperative position side.
As mentioned above, if be positioned at the idle pulley restriction state of restriction site and be that empty beating under the state that anti-locking mechanism K is failure to actuate pulled operation to switch lever 5 at idle pulley limiting part 30, the rotation base as major part distolateral (fulcrum 9a side) that then remains on the idle pulley 9 of active position is shifted significantly towards the top and overcomes bar spring 22 valve rod 21 is pressed into the on-position of top, triggers thus valve 20 and connects.Trigger the action of squeezing into that main part 2 is finished in valve 20 connections as described above by making.
Like this, because the surplus of squeezing into part n ~ n in the nail bin 4 is sufficient sky beat under the state that anti-locking mechanism K is failure to actuate, can by at first to contact arm 6 carry out making operation, the normal operations of then switch lever 5 being pulled operation sequentially squeezes into action.
Relative therewith, for first switch lever 5 being pulled operation, then contact arm 6 is pulled the faulty operation order of operation on the contrary, make switch lever 5 to pull operation itself invalid and do not carry out the action of squeezing into of main part 2.The action of the S of order mechanism in the situation that order with this mistake operates has been shown among Fig. 9 and Figure 10.Original state is identical with the state shown in Figure 3 that driving depth is adjusted into maximum.
Even keep original state shown in Figure 3, namely not constant to the state that this driver 1 carries out pressing operation towards squeezing into material W side, at first switch lever 5 is pulled operation as shown in Figure 9, the rotation front that also can not form idle pulley 9 has been limited its state towards the displacement of inoperative position side by idle pulley limiting part 30, therefore, this idle pulley 9 can relatively be pressed by valve rod 21 and be shifted towards inoperative position.Even pull operation owing to split pass bar 5 towards the top, idle pulley 9 also can towards its inoperative position displacement, so valve rod 21 is not press-fit into the open position of top, therefore, triggers valve 20 and not open.
Even to pull mode of operation constant for maintained switch bar 5 as shown in Figure 10, then this driver 1 being carried out pressing operation comes contact arm 6 is carried out making operation, also can press by the operating member 6b of this contact arm 6 the restriction arm 30a of idle pulley limiting part 30, idle pulley limiting part 30 overcomes Compress Spring 34 and rotates towards the clockwise restriction site side of diagram thus, in this stage, idle pulley 9 is displaced to inoperative position, therefore, the restriction arm 30a of idle pulley limiting part 30 only moves to the top of idle pulley 9 and does not form the state that engages with its rear side, and this idle pulley 9 becomes the state that is displaced to inoperative position.
Like this, beat under the state that anti-locking mechanism K is failure to actuate being in because the surplus of squeezing into part n ~ n in the nail bin 4 is sufficient sky, even with first to switch lever 5 pull operation, the wrong sequence of then contact arm 6 being carried out making operation operates, also can make switch lever 5 to pull operation invalid and trigger valve 20 and do not open, therefore do not squeeze into action.
Next, the state of forbidding squeezing into action in the situation that part n is finished of squeezing in nail bin 4 has been shown in Figure 11 ~ Figure 13.Driving depth adjusting device 8 is set as depth capacity.The original state shown in Figure 11 part n that squeezes in nail bin 4 is finished this point, and is identical with original state shown in Figure 3.If come contact lever 6 is carried out making operation by the pressing operation of driver 1 at first as shown in Figure 12 from original state shown in Figure 11, then utilize its operating member 6b to press the restriction arm 30a of idle pulley limiting part 30 and this idle pulley limiting part 30 is verted clockwise towards diagram.Owing to be to carry out the normal operations order of pulling the making operation that carries out contact arm 6 before the operation of switch lever 5 as shown in Figure, so front back side butt of the restriction arm 30a of idle pulley limiting part 30 and idle pulley 9, thus, this idle pulley 9 becomes the state that is locked in its active position.
If after like this contact arm 6 being carried out making operation, switch lever 5 is pulled operation, the rotating support side as major part of idle pulley 9 that then is locked in the state of active position is shifted towards the top significantly, consequently, this idle pulley 9 is applied for the bounce (mainly being the active force of bar spring 22) of on-position that valve rod 21 is pressed into the top.Yet, because the part n that squeezes in the nail bin 4 is zero (certain radical is following), so surplus detection part 35 is in the state that can enter into via detection window 4d (below) in the nail bin 4, consequently, form idle pulley limiting part 30 can with action sliding part 32 integratedly towards the state of the 3rd displacement of below.
Therefore, even be in the state that utilizes idle pulley limiting part 30 idle pulley 9 to be locked in active position, if operation applies valve rod 21 to idle pulley 9 the bounce of pulling by switch lever 5, then as shown in figure 13, utilize on the contrary this bounce that idle pulley limiting part 30 is pressed on the rotation leading section of idle pulley 9 and make this idle pulley limiting part 30 and action sliding part 32 overcome Compress Spring 33 integratedly towards the 3rd displacement of below.Like this, idle pulley limiting part 30 is towards the 3rd displacement of below, consequently, thereby idle pulley 9 rotates significantly with respect to switch lever 5 and towards the below and is displaced to its inoperative position, therefore, owing to the open position that valve rod 21 is not pressed into to the top, do not open so trigger valve 20.
Even in situation about by regular order contact arm 6 and switch lever 5 being operated like this, because the surplus of squeezing into part n ~ n in nail bin 4 is under the state below certain radical, sky is played anti-locking mechanism K action, it is invalid that pulling of switch lever 5 operated, therefore, do not carry out the action of squeezing into of main part 2.
If the operation of pulling from status releasing switch lever 5 shown in Figure 13, then the bounce that is pressed into of valve rod 21 no longer puts on idle pulley limiting part 30 via idle pulley 9, therefore, utilize Compress Spring 33 to make this idle pulley limiting part 30 and action sliding part 32 be back to integratedly the top and return to state shown in Figure 12.
As described above, driver 1 according to present embodiment, make the surplus of squeezing into part n of driver 1 in nail bin 4 become the sky of not squeezing into action under the state below certain radical to beat and prevent locking mechanism K except driver 1 only just being squeezed in the situation of switch lever 5 and contact arm 6 having been carried out operation with regular order the S of order mechanism of action, also being possessed.
Illustrative sky is beaten anti-locking mechanism K and is constituted, and (trigger lock) is not forbidden in the operation of pulling of switch lever 5, but it is invalid to make this pull operation.Therefore, owing to can not apply the operating physical force of pulling than usually larger (excessive) to switch lever 5, so supporting rigidity that need not as existing structure, to improve the rigidity of switch lever and support pedestal section of mechanism 16 grades of switch lever, thus, can realize the miniaturization such as lightening of switch lever 5 and pedestal section of mechanism 16, can form thus except the S of order mechanism that also compactly assembling is empty beats anti-locking mechanism K.
In addition, according to illustrative driver 1, no matter be normal operations order or the faulty operation order among the order S of mechanism, if the surplus of squeezing into part n ~ n in nail bin 4 becomes under the state below certain radical switch lever 5 is pulled operation, then idle pulley limiting part 30 keep out of the way to neither its restriction site neither unrestrained position the 3rd position, thereby allow idle pulley 9 to be shifted towards inoperative position, constitute thus, although can carry out the operation of pulling of switch lever 5, can beating anti-locking mechanism K by sky, to make it pull operation invalid and do not squeeze into action.
Therefore, can not apply the such excessive operating physical force of pulling of the existing structure that carries out trigger lock in order to prevent empty beating to switch lever 5, thus, compare the lightening of pedestal section of mechanism 16 grades that can realize switch lever 5 and supporting switch lever 5 and even their miniaturization with existing structure.
And, even by utilize Compress Spring 34 towards the unrestrained position side of idle pulley limiting part 30, also switch lever 5 pull the operation invalid side (secure side) to these idle pulley limiting part 30 application of forces, prevent from reliably squeezing into unexpectedly action.
In addition, constitute according to illustrative driving depth adjusting device 8, not by changing the length of contact arm 6, but change the position of the exit wound of bullet 10a when pressing main part 2 by changing with the material abutment arms 8a that squeezes into material W butt with respect to the position (squeezing into the interval of direction) of exit wound of bullet 10a, thereby adjust driving depth.Therefore, by changing driving depth, the result changes the path increment (amount of movement of on-position) of contact arm 6, the path increment of contact arm 6 is as long as enough make idle pulley limiting part 30 be shifted between restriction site and unrestrained position, therefore can omit the mechanism of the length that changes contact arm 6, the simplification of structure of this contact arm 6 and even the miniaturization of its peripheral structure can be realized thus, empty being set up in parallel of anti-locking mechanism K of beating can also be easily realized at this point.
Can implement various changes to embodiment described above.For example, illustration following structure, namely, the leading section 6a of the contact arm under the original state 6 is from the outstanding outstanding constant dimension of the front end of beating machine head 10, by using illustrative driving depth adjusting device 8 to carry out degree of depth adjustment, consequently, change its stroke, but also can constitute the driving depth that replaces above-mentioned driving depth adjusting device 8 and squeeze into part n by the length adjustment that changes contact arm.
In addition, also can change the mode of nail bin 4, can change to via line and squeeze into side by side interim combination of part with many, and with they nail bins in the mode of the state filling that is wound in columnar nail bin.In this case, can form the compressed air that has to be supplied to main part 2 and be drive source and squeeze into the structure that part is sent pawl with main part 2 moves linkedly, can form utilizing the surplus testing agency that arranges in addition to detect the surplus of squeezing into part becomes in the situation below certain radical, utilizes the engaging part that is equivalent to illustrative surplus detection part 35 to limit this and squeezes into part and send the action of pawl and prevent empty structure of beating.
Description of reference numerals:
S ... order mechanism; K ... sky is beaten anti-locking mechanism; W ... squeeze into material; N ... squeeze into part; 1 ... driver; 2 ... main part; 3 ... handle portion; 3a ... attachment plug; 3b ... pressure accumulating chamber; 3c ... exhaust chamber; 4 ... nail bin; 4a ... push spring; 4b ... propeller; 4c ... filler; 4d ... detection window; 5 ... switch lever; 5a ... fulcrum; 6 ... contact arm; 6a ... leading section; 6b ... operating member; 7 ... bar; 8 ... the driving depth adjusting device; 8a ... the material abutment arms; 8b ... adjust dial; 8c ... engaging recessed part; 8d ... the engaging protuberance; 8e ... leading section; 9 ... idle pulley; 9a ... fulcrum; 10 ... the beating machine head; 10a ... exit wound of bullet; 10b ... squeeze into path; 11 ... cylinder; 11a ... airport; 11b ... return air chamber; 11c ... airport; 12 ... piston; 12a ... chamber on the piston; 12b ... chamber under the piston; 13 ... hit driver; 14 ... the supply and exhaust path; 15 ... stop pin; 15a ... the operation recess; 16 ... pedestal section of mechanism; 17 ... Compress Spring; 18 ... securing rod; 20 ... trigger valve; 21 ... valve rod; 22 ... the bar spring; 23 ... operating valve; 24 ... the valve buckle body; 25 ... main valve; 26 ... valve spring; 30 ... the idle pulley limiting part; 30a ... the restriction arm; 31 ... fulcrum; 32 ... the action sliding part; 33,34 ... Compress Spring; 35 ... the surplus detection part
Claims (5)
1. a driver is characterized in that,
Possesses order mechanism, by this order mechanism so that only in the situation according to the regular order complete operation of pulling operation that carries out again switch lever after contact arm is carried out making operation, just squeeze into action, in addition, described driver also possesses the empty anti-locking mechanism of beating, its surplus of squeezing into part in nail bin becomes in the situation below certain radical, make described switch lever to pull operation invalid.
2. driver according to claim 1 is characterized in that,
Possesses idle pulley, it is can the mode of relative shift being arranged at described switch lever between active position and inoperative position, and the effective, invalid of operation of pulling of this switch lever switched, described driver also possesses the idle pulley limiting part, it is being arranged between this idle pulley and the described contact arm in mode mobile between restriction site and the unrestrained position, at described restriction site, this idle pulley limiting part is fixed on described active position with this idle pulley; In described unrestrained position, this idle pulley limiting part allows described idle pulley to be shifted towards described inoperative position,
Described order mechanism constitutes, by sequentially make described idle pulley limiting part be displaced to described restriction site and described idle pulley is fixed on described active position according to described normal operations, thereby what make described switch lever pulls operation effectively, on the other hand, be positioned at described contact arm under the state of closed position, make described idle pulley limiting part be positioned at unrestrained position and allow described idle pulley to be shifted towards described inoperative position, thereby it is invalid that pulling of described switch lever operated
Described sky is beaten anti-locking mechanism and is constituted, possesses the surplus detection part, its surplus of squeezing into part in described nail bin becomes certain radical when following, move to the surplus detection position, described idle pulley limiting part is supported on this surplus detection part, both move to described surplus detection position integratedly, make thus this idle pulley limiting part allow described idle pulley to be shifted towards described inoperative position from keeping out of the way between described idle pulley and the described contact arm, and it is invalid that pulling of described switch lever operated.
3. driver according to claim 2 is characterized in that,
Described idle pulley limiting part is supported on described surplus detection part in the mode that can rotate.
4. driver according to claim 3 is characterized in that,
Described idle pulley limiting part is by towards the described unrestrained position side application of force.
5. the described driver of any one is characterized in that according to claim 1 ~ 4,
This driver constitutes, possesses the driving depth adjusting device at described nail bin, this driving depth adjusting device is used for adjusting squeezes into part with respect to the driving depth of squeezing into material, this driving depth adjusting device possesses and the material abutment arms of squeezing into the material butt, adjusts driving depth by changing this material abutment arms with respect to the position of exit wound of bullet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-098589 | 2012-04-24 | ||
| JP2012098589A JP5855518B2 (en) | 2012-04-24 | 2012-04-24 | Driving tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103372846A true CN103372846A (en) | 2013-10-30 |
| CN103372846B CN103372846B (en) | 2015-07-15 |
Family
ID=49459002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310036356.6A Expired - Fee Related CN103372846B (en) | 2012-04-24 | 2013-01-30 | Punching-in tool |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5855518B2 (en) |
| CN (1) | CN103372846B (en) |
| TW (1) | TWI580535B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109070322A (en) * | 2016-04-28 | 2018-12-21 | 工机控股株式会社 | Nailing machine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6833565B2 (en) * | 2017-03-01 | 2021-02-24 | 株式会社マキタ | Driving tool |
| JP6950424B2 (en) * | 2017-09-29 | 2021-10-13 | マックス株式会社 | Driving tool |
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| US20040222266A1 (en) * | 2003-02-07 | 2004-11-11 | Makita Corporation | Fastener driving tools |
| JP2006198722A (en) * | 2005-01-20 | 2006-08-03 | Makita Corp | Fastening member driving machine having blank drive preventing function |
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| JPS58177284U (en) * | 1982-05-22 | 1983-11-26 | 株式会社マキタ電機製作所 | Driving depth adjustment device for nailing machine |
| JP4461638B2 (en) * | 2001-05-25 | 2010-05-12 | マックス株式会社 | Immersion prevention mechanism in tucker |
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2012
- 2012-04-24 JP JP2012098589A patent/JP5855518B2/en not_active Expired - Fee Related
- 2012-12-06 TW TW101145850A patent/TWI580535B/en not_active IP Right Cessation
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2013
- 2013-01-30 CN CN201310036356.6A patent/CN103372846B/en not_active Expired - Fee Related
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| US20040222266A1 (en) * | 2003-02-07 | 2004-11-11 | Makita Corporation | Fastener driving tools |
| JP2006198722A (en) * | 2005-01-20 | 2006-08-03 | Makita Corp | Fastening member driving machine having blank drive preventing function |
| CN101184588A (en) * | 2005-05-25 | 2008-05-21 | 美克司株式会社 | Driving tool |
| CN101172337A (en) * | 2006-11-01 | 2008-05-07 | 株式会社牧田 | Drive depth of drive machine adjusting device |
| CN101259611A (en) * | 2007-03-06 | 2008-09-10 | 株式会社牧田 | Beating machine |
| CN201067892Y (en) * | 2007-09-05 | 2008-06-04 | 浙江中杰工具有限公司 | Air shot proof structure for pneumatic straight nailing gun |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109070322A (en) * | 2016-04-28 | 2018-12-21 | 工机控股株式会社 | Nailing machine |
| US11229996B2 (en) | 2016-04-28 | 2022-01-25 | Koki Holdings Co., Ltd. | Fastening tool |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI580535B (en) | 2017-05-01 |
| JP5855518B2 (en) | 2016-02-09 |
| CN103372846B (en) | 2015-07-15 |
| JP2013226606A (en) | 2013-11-07 |
| TW201343340A (en) | 2013-11-01 |
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