TWI298286B - - Google Patents

Description

1298286 IX. Description of the invention: The technical field of the invention belongs to the hitting step and the driving operation of the punching member for the workpiece. [Prior Art]

^ ί As disclosed in Japanese Laid-Open Patent Publication No. Hei 7-10 0 0 0 6 , an electric type tapping machine which uses an electric motor as a source of movement and performs a driving member for a workpiece or the like. Break into the homework. The electric snoring mechanism becomes: hitting and hitting the person (4) the hammer is biased by the elastic force, and the hammer is driven by the driving force of the motor to serve the spring force of the yellow, and after being driven to the terminal position, In the final position, the driving force of the motor is cut off, so that the force is hit to hit the hitting member. Further, in the speed reduction mechanism provided on the path of the hammer-side transmission driving force of the machine, a reverse movement preventing mechanism is mounted, and the reverse rotation preventing mechanism a is driven by the motor to allow the ratchet to rotate in the driving direction, and The motor drive is stopped by %, and the ratchet is prohibited from rotating in the reverse direction due to the urging force from the elastic body. In the above-described driving tool, since the configuration of the second driving operation is repeated in succession, there is a demand for a technique for specifying the working stroke of the driving operation, and in order to correspond to such 2, for example, the following configuration may be employed: The working stroke of the driving operation is defined by locking the locking body that is driven to rotate with the driving action by the locking unit = "in the standby position": under-hitting. However, when such a mechanism is equipped with an electric smashing machine equipped with an upper & reverse rotation preventing mechanism, the following phenomenon can occur in advance: when the driving of the motor is stopped, the mechanism is reversed by the Ff stop mechanism. The state in which the reverse rotation of the rotating body is prohibited, and the state in which the one of the kiosk units is locked in the standby position is formed, and the rotating body, the locked portion, and the locking unit are bitten into each other, and the object is abutted. And the mutual movements are locked and locked. Such an obstacle releases the locking of the rotating body by the locking unit, and may become an obstacle to a successful driving operation. [Summary of the Invention]

Therefore, the present invention has been made in view of the above-mentioned problems, and its main object is to provide an effective driving operation for a driving operation tool for driving a workpiece into a workpiece. Technology. In order to achieve the above object, the invention described in each of the technical solutions is constructed. In addition, Ben Maoming can be applied to the following techniques of various sanitary wares, namely: as a typical, nailing machine and smashing machine, the draft __ spring (four) force to make the moving parts do straight and big action' The workpiece is driven into the workpiece. The first invention of the present invention for the purpose of the present invention is that the driving tool of the present invention described in claim 1 is a hitting tool for the work to be added, and the punching and retrieving of the insert is The magazine, the early movement portion, the rotating body, the reverse rotation preventing mechanism, and the releasing mechanism. The contractive elastic t is configured as a coil spring capable of storing the spring force, and the spiral is stored in the spiral The free force is passed through the force of ^, and the silk surface is 2疋i cow. The moving part is linearly operated by the action of the insect that stores the bombing force, thereby recognizing Pieces ^ 6 1298286 into. / 乍 for the "punch,", can be a pointed-pointed linear rod-shaped part, can be used to identify (four) or without _ parts, or u-shaped nails. The crane unit of the present invention is configured such that the pair of springs roll the __ unit in the winding direction against the spring force. By liberating the spiral magazine that is wound up by the fine element and accumulating the bombing force, the driving member performs the driving action of the hitting member, and the driving unit constitutes the driving source of the driving member, and the spiral bomb施加 Apply manpower to the punching piece together. The drive unit is constituted by a mechanism including a motor or compressed air, a driving source such as α, and the like, and a speed reducing device driven by the driving force of the chicken sources. The transitional structure 4 of the present invention is used to overcome the spring-loading force of the revolving spring (four) in the forward rotation direction with the coiling spring of the above-mentioned crane unit. The rotation_rotation axis is interlocked with the winding-up driving operation of the coil spring by the material element. When the driving of the scale unit is stopped, the force from the coil spring can be applied to the rotating body. The hairpin_locking member wire: in the above-mentioned (4) unit, the winding up, the yang, the squaring, the styling, the needle, the needle, the needle, the needle, the needle, the needle, the needle, the needle, the needle, the needle, the needle, the needle, the needle, the needle, the needle, the needle, the needle, the needle, the needle, the needle, the needle, the needle, the needle The rotating body that has been rotated in the forward direction of rotation is again locked in the standby position, and is operated by the ίϋί= industry. That is, the hitting work implement of the present invention is configured such that, in the configuration of the - hitting action of the beating and hitting the beating, the work stroke of the driving operation is required to be specified, so that the rotating body is The cooperation of the locking components comes to 71=the work schedule of the industry. In addition, the "job travel," and the smashing of the smashing, starting from the end of the beating - week's homework lap _ meaning, outside, the morning of the morning, "being a waiting list, is to become a hit The starting position of the hitting member of the starting point of the homework of the homework, the hitting position of the hitting position is basically read 1298286, and the driving end position of the driving member is consistent. Industry 9 ^ With cam surface and Saki _ cam f _ complement can be accompanied by the rotation of the cam disc (4) $ 2 1 card 4 pieces can be adopted: the cam is now rotated to move to the cam surface of the shaft member or rod The sin' is thus configured to lock the cam disc in the reverse rotation prevention mechanism of the standby refusal: the (four) moving body is positively _ rather than reversely rotating. Therefore, in the case where the drive unit is wound, the m-way 5 mechanism allows the positive body of the rotary body to be interlocked with the roll-up drive to stop the 'Gazaki self-employed play': the turn-by-turn correction is prohibited by the reverse rotation prevention mechanism However, in the case of the constituting towel having such a reverse constitutive structure, it is possible to generate a state in which the reverse rotation of the rotator is prohibited by the reverse rotation = mechanism when the driving of the driving unit is stopped, and the rotation The coffee card stops at the money-lin, which is called into the standby record, and the needle that is transferred to the card is bitten into the shape of her. (4) The state of the mutual _ live _ live. The "marking of the rotating body by the locking member" becomes an obstacle to smoothly performing the driving operation. Therefore, the configuration of the present invention is based on the prevention of the reverse rotation of the above configuration. The present invention is a mechanism that allows a predetermined amount of reverse rotation of the rotating body by the reverse rotation preventing mechanism when the rotating body is locked in the hitting position by the locking in the state in which the driving of the driving unit is stopped. The contact is prevented from abutting with the locking member in a bite manner. Therefore, if the release mechanism is used, the predetermined driving amount of the rotating body is reversed in the driving stop state of the driving unit 1298286 = the abutting force between the locked portion of the outer rotatable body and the locking member, When the inter-body rotates in the reverse direction, the state in which the drive of the purchased unit stops is in the state of the stop of the drive unit, and the force of the force unit is used to make the rotating body. The door of the reverse member 1, the action 'thereby being able to be in the locked portion and the locking portion of the rotating body

Into the gap to bite and delete. That is, the addition of the == scheme 1 described in the hitting of the t-type Wei, in the drive unit reverse = the second anti-counterfeit prohibition of the rotating body and the rotating body is locked by the locking member in the beating position and card The I-part jjr t can prevent the locked portion of the rotating body by the release mechanism, and the "" can be used to lock and lock each other, so that the locking of the transfer by the locking member can be smoothly performed. . The second invention of the present invention for the purpose of the present invention is the f-fabricated rider's work tool towel according to the second aspect of the invention, and the technical turn == less (four) lion tear. The tree-claw member structure = i has a tii member, and the ratchet side of the present invention is a plurality of engaged portions ' engaged with each other in the circumferential direction region, and is rotated in conjunction with the rotating body to turn the "financial region". Dian Wei is defined as a ratchet, ... P knife (outer perimeter area). Further, as for the configuration of the ratchet member, the member that is rotatably rotated may be constituted by a separate member that is separate from the rotating body, or the rotating body itself may also serve as a ratchet member. Further, the reverse rotation preventing mechanism of the present invention is configured as a ratchet member 9 1298286. [Embodiment] Hereinafter, an embodiment of the present invention will be described in detail with reference to the first to ninth drawings. In the present embodiment, the charging type nailing which is an example of the driving tool of the present invention will be described. The first drawing shows the overall configuration of the charging type nailing 100 according to the present embodiment. The second drawing is a cross-sectional view taken along line A-A of the first drawing, and the third drawing is an enlarged cross-sectional view showing the configuration of the main part of the first drawing.

As shown in the first figure, with respect to the charging type nail gun 100 according to the present embodiment, the main body configuration includes: a main body portion 101 which forms a casing for charging a nail, and a battery case for accommodating the battery. 109; and loading the staple cartridge 111 which is driven into the workpiece as a nail of the punched material. Ontology. The crucible 101 includes a motor casing 1〇3 of the Guna driving motor, a gearbox 1〇5 of the Guona driving mechanism 117 and the hammer driving mechanism 119, and a handle 107 held by the operator. The handle 107 is disposed above the motor case 1〇3, and the gear case 1〇5 is disposed at one end of the motor case 103 and the handle 107 in the horizontal direction (the right side of the first figure), and the battery case 109 is placed in the horizontal direction. The other end. The staple cartridge (1) is disposed below the motor casing 103 and the gearbox 1 () 5. Further, the staple cartridge (1) is configured such that the nail to be driven is supplied to the lower end portion of the gear case 1〇5, that is, the injection portion 112 of the nail connected to the front end portion of the body portion (10). As shown in the third figure, the main body of the striking mechanism 117 includes: a hammer 125 that is fixed to the gear case 105 at the upper end and the lower end portion respectively; in order to make the hammer 125 downward, the material force acts on the hammer The compression auger 127 of 125 causes the 12 1298286 to move and applies a striking force to the nail supplied to the nailing population 112a of the injection portion 112, thereby driving the nail into the actuator 129 of the workpiece. The hammer 125 and the transmission 129 are connected by a connecting pin 131. Further, the hammer 125 has engagement projections 125a and 125b which are engaged with the upper and lower lift signals 137 and 139 of the hammer driving mechanism 119 and are pushed upward. Further, for the sake of convenience, the illustration of the nail and the material to be processed is omitted. Here, the compression coil spring 127 in the present embodiment is constructed as follows

The coil spring is configured to store the spring force by contraction, and to release the spring force by performing a free extension operation by the compression coil spring 127 in which the spring force is stored. The compression coil spring 127 corresponds to the "coil spring" in the present invention. The compression coil spring 127 is also referred to as a "compression coil spring." Further, the clock 125 and the transmission 129' in the present embodiment are compression coil springs (2) through which the spring force is stored.

The "moving member" that constitutes an action member that performs a linear motion by freely extending the motion. * T hammer 125 and actuator 129 are connected by a connecting pin 131. Further, the bell 125 has an upper engaging projection (the engaging projection 1250 in the second and third figures and the engaging projection (the engaging projection 125b in the second drawing) in the second drawing. The upper engaging projection 125M冓It is engaged with the upper part of the hammer driving mechanism 119 (upward _ 137 in the second drawing) and is pushed upward. The lower engaging projection 125b constitutes 4: two diagrams with the hammer, the crane mechanism 119 & m卩The lifting roller 139) in the third figure is engaged and pushed upward. The 7-nail is a straight-point, straight-pointed member that can be capped. Further, the firing point _ see, omitting the nail and being reinforced. In the present embodiment, the safety lever M3 for prohibiting the pulling operation of the trigger i4i is provided on the handle 1〇7. For the trigger 141, when the # safety lever 143 is placed in the locking position shown by the solid line in the first 13 1298286 diagram, the pulling operation cannot be performed, and when the safety lever 143 is placed in the first figure, the hypothetical line is used. When the position of the lock is released, the second pull operation can be performed. Further, a lamp 145 that irradiates the driving area of the nail is provided on the main body portion 1〇1 (refer to the first drawing). The lamp 145 is configured such that when the safety lever 143 is placed in the lock release position, the lighting switch 143 is turned on by the safety lever 143 to turn on the light, and when the safety lever 143 is placed in the locked position Turn off the light with switch 147 to turn off the light.

The rotational output of the drive motor 113 is transmitted as a rotational motion to the hammer drive mechanism 119 through a planetary gear type reduction mechanism. The "drive unit" of the present invention is constituted by these drive motors 113 and a hammer drive mechanism 119. As shown in the second and third figures, the body of the hammer driving mechanism 119 is configured to include upper and lower gears 133, 135 as rotating bodies that are mutually engaged in opposite directions in a vertical plane; The turning operation of the gears 133 and 135 pushes the hammer 125 upward and upward of the upper and lower lifting rollers 137 and 139 (see the second drawing). " The upper and lower gears 133, 135 are rotatably mounted on the frame 134 disposed in the gear case 105 via the shafts 133a, 135a. The lifting rollers 137, 139 are rotatably mounted by the support shafts 137a, 139a at a position offset from the rotation of the gears 133, 135, and are circumferentially moved around the center of the gears 133, 135 in accordance with the rotation of the recording (3). That is to do the arc-shaped movement. Further, the eccentric amount of the support 137a of the lift 137 from the upper port and the eccentric amount of the support axis i39a of the lift roller 139 from the lower portion are set to be equal to each other. The lower gear 135 is engaged with the drive ω wheel 115b formed on the output shaft n5a of the speed reduction mechanism 115, and is stipulated; the salt boat is rotationally driven. The gear ratio of the lower ui wheel 135 to the upper gear 133 is set to i ratio 丨. Next ί298286, such as the stand 139 and the upper lifting roller 137 is set to have a cross-talking field of about 180 degrees. Further, the upper and lower lifting rollers 137, 139 are placed at the center of the ιππ plucking position ′, that is, the lower hoisting 139 is placed at the lower portion of the gear ' Μ Μ ' The upper side 0 drive motor 113 is energized and driven, and the upper and lower gears,

When the 135 is rotated in the direction of the arrow in the second figure, the lower lifting pro 139 is moved from the lower side to the lower (four) engaging protrusion of the hammer 125 to the upward green circular motion, and the face is placed at the bottom dead center position shown in the second figure ( The hitting person completes the position), and the hammer 125 is pushed upward by the up and down direction component in the circular motion. When the hammer 125 _ is up-_maximum (four) by the lower lifting roller 139, the upper lifting light 137 is engaged with the engaging protrusion of the upper portion of the hammer 125 from below and is circularly moved upward, and the hammer 125 is pushed upward. . Thus, the hammer 125 is relayed by the upper and lower lifting rollers 137 and 139, and the k bottom dead center moves upward, that is, toward the upper dead center side, and the upwardly moving movement of the hammer 125 causes the compression coil spring 127 to be _ The bomb power is stored. Specifically, the hammer 125 stops to remain in the standby position shown in the fourth figure. Then, by the pulling operation of the trigger 141 thereafter, the engaging projection 125a of the upper portion of the hammer 125 is further transferred from the upper lifting roller 137 to the cam 140 in the vicinity of the top dead center. When the actuator 129 is moved to the upper side together with the hammer 125, the nail loaded in the staple cartridge 111 is supplied to the nail insertion opening 112a of the injection portion 112, and thereafter, the engagement with the cam 14〇 is released, and the hammer is simultaneously 125 performs a driving action downward by the elastic force of the compression coil spring 127. Thereby, the nail supplied to the nail insertion opening 112a of the injection portion 112 is driven into the workpiece by the actuator 129 which is lowered in the nail opening 112a. After the action, the hammer 125 passes 15

The abutment of the 1298286 with the block 126 is maintained at the bottom dead center. In the m 115, the frame carries a mechanism for preventing reverse rotation in a direction opposite to the direction of rotation (forward rotation) of the driving of 113, that is, a so-called "reverse rotation preventing mechanism". The ratchet 116 and the leaf spring 118, which will be described later, constituting the reverse rotation preventing mechanism correspond to the "reverse rotation preventing mechanism" in the present invention, and the reverse rotation preventing mechanism of the speed reducing mechanism 115 is as shown in the fifth and sixth®. 5 is a view showing the ratchet 116 and the yellow plate 118 of the reverse rotation preventing mechanism constituting the reduction mechanism 115 of the present type, viewed from the side of the striking mechanism ιι of the f-three-drawing, and the sixth figure shows the fifth figure. A side view of the ratchet ι and the leaf spring 118. As shown in the fifth and sixth figures, in the present embodiment, a disk-shaped ratchet 116 is provided on the output shaft 115a of the deceleration surface m. In the ratchet ΐ6 A plurality of card-reading wrists are provided on the circumferential direction region (the sinus surface provided on the outer peripheral portion of the ratchet 116). Each of the engaged grooves _ has a vertical wall 116b extending in the left-right direction of the sixth figure; and from the vertical wall 116b The inclined wall 116c extends obliquely at the bottom. On the other hand, at a position facing the ratchet of the ratchet 116, a portion for allowing the opposite ratchet 116 to output the shaft 115a (corresponding to the "support portion" of the present invention) is provided. Center-turned plate The spring 118 is provided with an engaging claw 118a, a first abutting piece and a second abutting piece 118c at the outer edge of the leaf spring ι 8 . The engaging claws 118a are inclined walls 116c along the respective engaging grooves of the ratchet 116 The shape in which the direction is extended is engageable in a press-fit manner with respect to each of the engaged grooves (10). Further, the engagement claws l18a are driven by the drive motor 113 in an engaged state in which the engagement claws l18a are engaged with the engagement grooves. The rotation of the ratchet 116 relative to the leaf spring 1 "18 in the direction of the arrow 10 of the fifth figure (also referred to as "forward rotation," or forward rotation) is permitted, but the ratchet 116 is inhibited relative to the leaf spring 118 to the fifth figure 16 1298286 The rotation of the arrow 12 (also known as "reverse rotation" or "reverse,"). Specifically, the ratchet 116 is rotated forward relative to the leaf spring 118. In the invention, "the ratchet member is rotated in one direction", the inclined wall 116c of the second 116a is slid with respect to the engaging claw ma, and the engaged groove 116a engaged with the claw 118a is along the ratchet i: The forward rotation of the ratchet 116. When the other 3 == = one direction of rotation"), the engagement claw _ and the regulation H beam = cattle (four), that is, any of the plurality of lakes engaged by the engagement groove 116a, she touches the joint j = j The reverse rotation of the lining is prohibited. (10) The ratchet m described herein of the ratchet 116 corresponds to the "ratchet member" of the present invention, and the plurality of engaged slots 116 on the ratchet 116 are intended to be used in the present invention. In addition, the cassette 118 corresponds to the present invention: ^, the card: the engaging claw ma placed on the leaf spring 118 corresponds to the fifth figure shown in the present invention. The composition of the towel has a state in which the #spring 118 coincides with the center of rotation of the ratchet 116, but in the present invention, the center of rotation of the cage may coincide with the position of the center of rotation of the ratchet 116, or In the configuration shown in FIG. 5, it is described that a plurality of engaged hooks are provided in the circumferential direction region of each portion of the ratchet 116, but in the present day and the month, The 狐 曰 Q QI of the round fox face of the ratchet ΐ6 is again placed corresponding to the engaged portion of the engaged groove (6), and may be used instead of the piece 1 (10). The engaging portion is a member of the engaging claw. 曰3 However, the ratchet 116 is on the wheel shaft 17 as the driving motor 113 is driven.

When the forward rotation is performed around the 1298286 115a, the leaf spring 118 is dragged in the same direction as the ratchet 116 by the frictional force between the engaging claw n8a and the engaged groove 116a (inclined wall n6c) which are engaged with each other. Produce a drag rotation. In the present embodiment, the first contact piece 118b that can abut against the first abutted wall 105a on the side of the gear case 1〇5 is provided on the leaf spring 118. According to this configuration, the leaf spring 118 rotates in the direction of the arrow 1 第五 in the fifth diagram around the output shaft 115a, and the first abutting piece 118b abuts against the first abutted wall 1〇5& The position (the solid line position in the fifth figure) is prohibited from continuing to rotate in the forward direction. The first stop position, the first contact piece 118b, and the first abutted wall 1〇5a at this time correspond to the “first position,” “first abutment,” and “the first” in the present invention, respectively. On the other hand, the reversed rotation of the ratchet 116, by the engagement force between the engaging claw n8a and the engaged groove 116a, is rotated in the same direction as the ratchet 116 by the leaf spring ns. Next, in the second abutting piece 118 (the second stop position (the assumed line position in the fifth figure) which abuts the second abutted wall 1〇% on the side of the gear case 1〇5, it is prohibited from continuing to reverse The second stop position, the second abutting piece 118c, and the second abutted wall 1051) at this time correspond to the "second position", "second abutment portion," and "second" in the present invention, respectively. Abutted by the Ministry." In short, the leaf spring 118 of the present embodiment can pass the first stop of the first abutting piece 118b and the first abutted wall 105a by a predetermined amount of play (the gap 106 of the size shown in the fifth figure). The position and the second abutting piece n8c are rotated between the second abutting wall 105b and the second abutting wall 105b. The gap 106 and the gap 179 to be described later are also referred to as "gap," or "interval." Accordingly, the ratchet 116 is prohibited from rotating in the direction of the arrow 12 with respect to the leaf spring 118, but the leaf spring 118 itself is allowed to be integrated from the second stop position to the first stop 18 and allowed

The reverse rotation of the position 1298286 causes the ratchet U6 to rotate counter-rotating with the cassette 118. In the following, according to the seventh embodiment, the operation of the drive shaft machine for energizing the drive and the energization stop operation 16G of the present embodiment is performed. The main body structure includes: a trigger switch 163 that is turned on by the user's pull operation. The mechanism 163 transmits the interlocking operation, the internal switch (6) in the on state, and the cam plate 177 in the ON state or the OFF state after the internal switch 161 that has entered the ON state. The main body of the trigger switch 163 comprises: a trigger (4) disposed on the handle w and a linear pulling operation by the user; and a first switch 148 (the first view and the third figure), which are constantly urged by the force ( The illustration is applied to the _ state of the energization drive of the drive motor 113, and the conduction state of the drive motor 113 is allowed to be turned on by the pulling operation of the 141; and the pull of the trigger (4) is pulled. A rocker arm (not shown) that operates in conjunction with the internal switch 161 is operated. The main body of the internal switch 161 is configured to include her cam block m in conjunction with the pulling operation of the trigger 141; the cam block (7) is centered on the fulcrum (the fulcrum 172a in the first figure) A closing arm (the closing arm 172 in the third figure) is formed as a pivoting shaft; and a second switch 173 in an ON state that allows the driving of the electric motor 113 to be driven by the rotation of the arm is entered. The cam block (7) is equivalent to the "locking member" of the present. The cam block (7) is mounted on the frame 134 in such a manner as to be linearly movable in the same direction as the drawing operation direction of the trigger 141. The cam plate 1T7 is mounted in such a manner as to be rotatable with the upper portion of the hammer driving mechanism (10) (refer to the third drawing). Cam disc π is equivalent to 19

1298286 = "rotating body" in the invention, the cam plate 177 is provided with a circumferential surface thereof as a cam surface 178, and the front end portion 171a of the cam block 171 is disposed to face the cam surface 178. The cam plate 177 The cam surface 178 has the following region in the circumferential direction. The tilting region 178a is engaged with the cam block 171 that moves in the entering direction that causes the second switch 173 to be in the ON state in conjunction with the pulling operation of the trigger 141. The front end portion 171a moves the cam block 171 in the entering direction, thereby releasing the interlocking of the cam block 171 and the trigger 141 side, and the large diameter region 178b is maintained in engagement with the front end portion la of the cam block Hi. At the same time, the relative state is maintained, thereby maintaining the ON state of the second switch; in the small-diameter region, the engagement with the front end portion 171a of the cam block 171 is released, and the disconnection state of the second switch is allowed to be restored. The inclined region 178a is located between the large diameter region 178b and the small diameter region n8c, and is formed by a slope extending linearly from the small diameter region 178c to the large diameter region 178b. The large diameter region 178b and the small diameter region 178c are respectively formed by the cam disk 177. The center of rotation is Further, the cam plate 177 has a damming surface i78d at the boundary between the small portion 178c and the slanting inclined portion 178a, and the blocking surface 178d abuts against the side surface of the front end portion 171a of the cam block 171. (Occasionally), the rotation (override) exceeding the predetermined position of the cam plate 177 is restricted. Thus, the cam block 171 is engaged with the cam plate 177 by abutting against the blocking surface 178d of the cam plate 177 by the front end portion 171 & The member that has reached the standby position corresponds to the "locking member" in the present invention. Further, the blocking surface 178d of the cam plate 177 at this time corresponds to the "locked portion" in the present invention. Further, the cam plate 177 is configured such that the front end portion of the cam block 171 is placed at the end of the small-diameter region 178c at the side of the inclined portion 178a, that is, the position at which the blocking surface 178d abuts or approaches is set to be driven. The standby position is reversed in the order in which the turning movement 20 I298286 is made with respect to the cam block 171 in order to extract the inclined area 178a, the large diameter area 17%, and the small shuttle area 178c. In the present embodiment, as shown in the seventh figure, N ' π is ten. Called Chuan,,, j, live danger winds / 乂 over the 90 degree range of the circumference of the cam disc 177. This is set to recover from the OFF state of the first switch, and after the energization of the drive motor H is stopped, it can be utilized as a braking or inert operation region of the drive motor 113. That is, the small diameter area mc is configured to include a braking or inert motion area.

The drive motor 113 is configured such that the first switch (10) for driving the zero-acting f directly operated by the trigger 141 and the second switch 173 for the motor drive-operated by the switch 161 interlocked with the pulling operation of the trigger 141 are respectively configured When it is connected to the action, Wei He is turned off when the first-side of the first-off 148 or the second paste 173 is turned off. When the crane motor ιΐ3 is energized, the hammer drive mechanism (10) is driven by the speed reduction mechanism 115 as described above, and the sub-drive mechanism 119 compresses the _screw magazine 127 while pushing the clock (2) to the top dead center. Moreover, after the holding position of the _ shown position is held, the bouncing force of the clock that reaches the top dead center by the pulling operation of the 141 is hit down below & In the clock-in standby position, according to the hammer 125, from the tenth position shown in the fourth figure, the position is not returned to the position of the bottom stop, and then the position is changed to the standby position, ... the work schedule (also referred to as "job back" The circle m is configured to be turned off by the clock m, which is the "opening of the I machine" at the "I industry end time" of the second switch 141 that is operated by the stud. That is, when the first person carried out by the ship 125's Dingding operation is completed, the electric power of the driving motor is 1298286 at the time of the ship's operation, and the pulling action of the triggering device 141 is not carried out, and the second nail cannot be transferred.嫱Μ1 pure 1' prevents the so-called nail from being hit twice. In addition, after the driver 125 is energized and driven by the driver 125, the first switch 148 that directly pulls the pull operation gate 141 of the trigger 141 is released before the end of the hammer_rug. Doing the disconnection action, breaking the energization 'can thus interrupt the hammer 125

M2 is the eighth and _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The eighth figure shows the state of the reverse rotation preventing mechanism in which the front end portion ma of the work line 1' ί" end of the hitting operation is abutted against the blocking surface of the cam plate (7). The ninth money indicates the front end portion of the cam block m and the cam. The disk (7) is placed against the release & the reverse rotation preventing mechanism. The third is the inertia of the direction of the arrow in the forward direction of the U-picture in the forward direction of the operation The force side is on the cam plate 177, and the front end portion 171 of the cam block m is formed to abut against the collision surface of the cam plate 177 (also "abutted state"). Further, the inertial force acting on the cam plate 177 is sequentially the rotational force in the direction of the arrow 10 of the output shaft 115a, the rotational force in the direction of the arrow 20 of the lower gear 135, and the direction of the upper gear 133 from the side of the drive motor 113. The rotation force in the direction of the arrow % is transmitted. On the other hand, at the end of the driving stroke of the driving operation, the cassette 118 forms an engagement state with the engagement ratch 118a by the engagement claw 118a and the engagement groove 116a, and A state in which the first abutting piece leg and the side of the gear case 105 are abutted against the wall is formed. Thereby, it is possible to prevent the twisting of the weir 118 from being dragged in the same direction as the ratchet wheel 110. 22 1298286 However, when the front end portion 171a of the cam block 171 abuts against the blocking surface 178d of the cam plate 177 and the state in which the ratchet 116 and the leaf spring 118 are engaged with each other, the action of forming the cam block 171 can be expected. Locked lock state. When the locking state is formed, even if the operation trigger 141 is pulled, the abutment of the front end portion 171a of the cam block 171 with respect to the blocking surface 178d cannot be released, thereby causing a problem that the cam block 171 cannot rise.

Therefore, the present embodiment is configured such that even when the front end portion 171a of the cam block 171 abuts against the blocking surface i78d of the cam plate 177 and the ratchet 116 and the leaf spring 118 are engaged with each other, the ratchets in a state of being engaged with each other are allowed. 116 and the predetermined amount of reverse rotation of the cassette 118. Specifically, the leaf spring 118 abuts the first abutting piece 118b at a first stop position abutting against the first abutted wall 105& and the second abutting piece 118c and the second abutted wall i〇5b. Between the second stop positions, a predetermined amount of play (the gap 1 〇 6 of size dl in the eighth figure) can be rotated. At this time, the elastic force of the compression coil spring 127 acts on the ratchet 116 through the speed reduction mechanism 115, and the ratchet 116 is rotated in the reverse rotation direction. Therefore, the ratchet 116 to which the elastic force of the compression coil spring 127 is transmitted is integrated with the leaf spring 118 in the locked state at the predetermined engaged groove 116a, and only with the gap 106 The distance corresponding to the size d1 is reversely rotated, and when the sheet yellow 118 is rotated in the direction of the arrow in the ninth diagram about the output shaft 115a and moved to the second stop position, the second abutting piece 118c and the second abutted wall are passed. 105b abuts to prohibit the reverse rotation. As described above, the leaf spring 118 is rotatable between the first stop position and the second stop position; in the first stop position, the first abutment piece U8b of the leaf spring 118 abuts the first abutted wall 105a The structure of the second abutting piece n8c of the piece of the U8 at the second stop position abuts against the second abutted wall (7) 1 23 1298286 is a "release mechanism" in the invention. The ratchet 116 and the leaf spring 118 are integrated, and only the distance corresponding to the large ', dl of the gap 106 is reversed, and the cam disc is also rotated in the reverse rotation direction. As shown in the ninth figure, the cam block m The front end portion ma opens the blocking surface of the cam plate 177 by a predetermined distance (the gap H9 having a size of (10)). The state in which the abutment is canceled is released (the contact canceled state). That is, by eliminating the gap between the second abutting piece 118c of the cyanine 118 and the second abutted wall position, this time, the size of the cam block 171 (four) end portion (7) continues to block the surface 178d of the cam plate 177. Clearance 179. That is, in the present embodiment, the gap 106 between the second abutting piece 118c of the leaf spring 118 and the second abutted wall is defined by the amount of rotation in the reverse rotation of the cam plate 177. Further, the rotational force in the reverse rotation of the cam plate 177 is sequentially transmitted from the compression coil spring 127 to the engagement projection of the upper portion of the hammer 125, and the support shaft of the upper portion of the lifter I37. Thus, a gap 179 having a size d2 is formed between the front end portion 171a of the cam block i7i and the blocking surface of the cam plate 177, thereby avoiding a bite-like contact with respect to the resisting surface, and preventing the cam block 171. The action is locked so that the pulling operation of the trigger 141 can be smoothly performed. Further, the present invention is not limited to the above-described embodiments, and various examples of the money based on the present embodiment are conceivable. For example, the following aspects of the present embodiment can be implemented. In the above-described embodiment, the mechanism for rotating the scale cam # 177 in the reverse direction is provided in the ratchet 116 that is interlocked with the cam plate 177. However, in the present invention, the setting of the convex I77 itself may be adopted. The mechanism in which the cam plate m rotates in the reverse direction. twenty four

I298286 Further, in the above-described embodiment, as an example of the driving tool, the charging type is used for the ship, but the present invention is not limited to the charging = the nailing, and the present invention can be used. The first figure of the rib type nailing is a cross-sectional view of the charging type nail according to the embodiment. Figure 1 is a cross-sectional view taken along the line A-A showing the hammer at the bottom dead center position. - The third drawing is an enlarged cross-sectional view showing the configuration of the main part of the first figure. The fourth picture is the A-A ship chart of the -®, and the wire hammer is in the state of being hit. The fifth diagram is a schematic view of the ratchet and the leaf spring of the reverse rotation preventing mechanism of the deceleration mechanism as viewed from the third side of the hitting mechanism. The sixth figure is a side view of the ratchet and leaf spring of the fifth figure. The seventh drawing is a schematic view showing the configuration of the operating device. The eighth figure is a schematic diagram of the reverse rotation preventing surface at the end of the hitting operation of the hitting operation, and the front end portion of the cam block is in contact with the convex surface (four). The state in which the front end portion of the second figure wheel block and the surface of the cam plate are removed is shown as a schematic view of the twisting prevention mechanism. 25 1298286

[Description of main component symbols] 100 Rechargeable nail gun 101 Main body portion 103 Motor housing 105b Gear box 105a First abutted wall 105 Second abutted wall 106 Clearance 107 Handle 109 Battery case 111 Staple cartridge 112 Injection portion 112a Nail entry 113 drive motor 115 speed reduction mechanism 115a output shaft 115b drive gear 116 ratchet 116a engaged groove 116b vertical wall 116c inclined wall 117 drive mechanism 118 leaf spring 118a engagement claw 118b first abutment piece 118c second abutment piece 119 clock drive mechanism 121 guide 123 slider 125 clock 125a upper snap projection 125b lower snap projection 126 stop 127 compression coil spring 129 actuator 131 connection pin 133 upper gear 133a shaft 134 frame 135 lower Gear 135a shaft 137 upper lifting roller 137a support shaft 26 1298286

139 Lower lifting roller 139a 140 Cam 141 143 Safety lever 145 147 Lighting switch 148 160 Operating device 161 163 Trigger switch 171 171a Front end 172 172a Support shaft 173 177 Cam plate 178 178a Slope area 178b 178c Small diameter area 178d 179 clearance support shaft trigger lamp first switch internal switch cam block switch arm second switch cam surface large diameter area blocking surface

27

Claims (1)

1298286, the scope of application for patents: 1, _, into the work tool, hit the material to be processed "’ The driving tools include: The coil spring 'which can store the bombing force; is threaded at the end of the spiral magazine, and is made by the action of the storage, ==== to make a straight line=moving the element' The spring force is rolled up and rolled up in a universal direction; 'It is driven by the above-mentioned spiral that is driven by the above-mentioned driving unit, and overcomes the spring force of the coil spring to perform a turning motion in the forward direction; And a locking member that is driven into the standby position by the locked portion of the rotating body when the winding drive of the driving unit is performed, and is rotated in the direction after riding the locking-week_ The switch is again locked in the beating position, thereby specifying the working stroke of the driving operation; the reverse rotation preventing mechanism allowing the rotating body to rotate in the forward direction while prohibiting the reverse rotation; and the releasing mechanism in the driving unit In the driving stop state, when the rotating body is locked by the locking member in the driving standby position, the predetermined amount of reverse rotation of the rotating body caused by the reverse rotation preventing mechanism is allowed. It is avoided that the locked portion of the rotating body abuts against the locking member. 28