Work equipment systems and adapters

Abstract

To improve the usability of the work equipment in the work equipment system. [Solution] The work machine system 70 includes a driving machine comprising an injection unit 34 for injecting fasteners, an impact unit for striking the fasteners located in the injection unit 34, and a magazine unit 12 capable of accommodating a plurality of the fasteners, and an adapter 19 that can be attached to the magazine unit 12. The magazine unit 12 has a supply passage inside which the fasteners are supplied to the injection unit 34, and the adapter 19, when attached to the magazine unit 12, restricts the movement of the fasteners between the injection unit 34 and the supply passage.

Description

Technical Field

[0001] The present invention relates to a work machine system including a work machine such as a nailer, and an adapter.

Background Art

[0002] As an example of a work machine system, a nailer provided with a magazine capable of storing fasteners is known.

[0003] For example, Patent Document 1 discloses a nailer having an ejection portion that ejects fasteners, and a feeder that supplies the fasteners stored in the magazine to the ejection portion.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of Invention

Problems to be Solved by the Invention

[0005] In the nailer described in the above-mentioned Patent Document 1, the striking part strikes the fastener sent to the ejection part, thereby ejecting the fastener from the ejection part. However, when there is no fastener in the magazine, the dry-fire prevention function of the dry-fire prevention mechanism that restricts the striking part from striking is activated.

[0006] On the other hand, there are cases where it is desired to perform single-shot driving, in which a nail inserted directly from the ejection port is driven by the striking part, instead of a nail supplied from the magazine to the ejection part. When performing such single-shot driving, it is necessary to stop the dry-fire prevention function that the nailer has. In order to stop the dry-fire prevention function, it is necessary to replace the magazine equipped with the dry-fire prevention mechanism with a magazine for single-shot driving, which has been a problem in the convenience of the nailer.

[0007] The objective of the present invention is to provide a work machine system and adapter that improve the convenience of the work machine. [Means for solving the problem]

[0008] A work machine system according to one embodiment includes a work machine comprising: an injection unit for ejecting fasteners; an impact unit for striking the fasteners located in the injection unit; and a magazine unit capable of accommodating a plurality of the fasteners; and an adapter that can be attached to the magazine unit, wherein the magazine unit has an internal supply passage which is a passage through which the fasteners are supplied to the injection unit, and the adapter, when attached to the magazine unit, restricts the movement of the fasteners between the injection unit and the supply passage.

[0009] Another embodiment of the work machine system includes an injection unit for ejecting fasteners, a striking unit for striking the fasteners located in the injection unit along a striking path, a magazine unit capable of housing a plurality of fasteners, and a supply path formed inside the magazine unit, which is a passage through which the fasteners are supplied to the injection unit, wherein the magazine unit can be fitted with an adapter having an arm, and the arm is positioned within the supply path and not entering the striking path.

[0010] An adapter in one embodiment is attachable to a work machine for driving in fasteners, and includes an arm portion that is inserted into the magazine portion of the work machine which houses the fasteners, the magazine portion having a supply passage inside which the fasteners are supplied to the injection portion of the work machine, and the arm portion, when attached to the magazine portion, blocks the supply passage to restrict the movement of the fasteners between the injection portion and the supply passage. [Effects of the Invention]

[0011] According to the present invention, the convenience of the work equipment in a work equipment system can be improved. [Brief explanation of the drawing]

[0012] [Figure 1]It is a side view showing the structure of a work machine in a work machine system according to an embodiment of the present invention. [Figure 2] It is a side cross-sectional view showing the structure of the work machine shown in Figure 1. [Figure 3] It is a perspective view showing the structure of a clipped fastener driven by the work machine shown in Figure 1. [Figure 4] It is a side view showing the structure of the clipped fastener shown in Figure 3. [Figure 5] It is a perspective view showing the internal structure of an ejection part and a magazine part in the work machine system according to the embodiment of the present invention. [Figure 6] It is a cross-sectional view of the structure of the work machine system shown in Figure 5. [Figure 7] It is a perspective view showing the structure of an adapter attached to the work machine system shown in Figure 5. [Figure 8] It is a cross-sectional view showing the structure of the adapter shown in Figure 7. [Figure 9] It is a cross-sectional view showing the structure of a dry-fire prevention mechanism included in the work machine shown in Figure 1. [Figure 10] It is a cross-sectional view showing the structure before adapter attachment in the structure shown in Figure 9. [Figure 11] It is a cross-sectional view showing the structure after adapter attachment in the structure shown in Figure 9. [Figure 12] It is a perspective view showing the structure after adapter attachment shown in Figure 11. [Figure 13] It is a perspective view showing the structure of the magazine part after adapter attachment shown in Figure 12. [Figure 14] It is a cross-sectional view showing the structure cut along line A-A shown in Figure 11. [Figure 15] It is a cross-sectional view showing the structure cut along line B-B shown in Figure 11. [Figure 16] It is a cross-sectional view showing the structure cut along line C-C shown in Figure 11. [Figure 17] It is a cross-sectional view showing the loading structure of connected nails after adapter attachment shown in Figure 11. [Figure 18]It is a cross-sectional view showing the structure of a dry-fire prevention mechanism according to a modified example of the embodiment of the present invention. [Figure 19] It is a cross-sectional view showing the structure after the push lever is pushed in, in the structure shown in Figure 18. [Figure 20] It is a cross-sectional view showing the structure in which the dry-fire prevention function is activated in the structure shown in Figure 18. [Figure 21] It is a cross-sectional view showing the structure in which the dry-fire prevention function is deactivated by mounting an adapter in the structure shown in Figure 18. [Figure 22] It is a perspective view showing the structure of the adapter of the modified example shown in Figure 18. [Figure 23] It is a perspective view showing the contact structure of the feeder to the adapter of the modified example shown in Figure 22. [Figure 24] It is a perspective view showing the contact structure of the feeder shown in Figure 23. [Mode for Carrying Out the Invention]

[0013] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The working machine shown in Figure 1 and Figure 2 is a driving tool suitable for driving work that drives fasteners such as nails into a mating material such as a concrete wall. In the present embodiment, a driving tool (nailing machine) 1 is taken up and described as an example of the working machine. Further, a clipped fastener 3b (see Figure 3) is taken up and described as an example of the fastener driven by the driving tool 1. The clipped fastener 3b is a fastener that is attached to the ejection port 36 of the driving tool 1 for single-shot driving, and during driving, an adapter 19 (see Figure 5) is mounted on the magazine portion 12 to perform driving. However, the driving tool 1 can also drive connected nails 3a (see Figure 17). The connected nails 3a are nails that are accommodated in the magazine portion 12 in a state where a plurality of nails are connected, supplied from the magazine portion 12 to the ejection portion 34 for driving, and can be driven continuously. When driving the connected nails 3a, driving is performed without mounting the adapter 19 on the magazine portion 12.

[0014] Next, the structure of the nail driving machine 1 in this embodiment will be described. In describing the structure of the nail driving machine 1, we will take the case where the fastener 3 to be driven is a connecting nail (first fastener) 3a as an example.

[0015] The driving machine 1 has a cylinder case 2, a motor case 4, and a handle 6. One end of the motor case 4 and the handle 6 is connected to the cylinder case 2, and the other end of the motor case 4 and the handle 6 is connected to a connecting part 8. In other words, one end of the motor case 4 and the handle 6 are connected to each other via the cylinder case 2, and the other end of the motor case 4 and the handle 6 are connected to each other via the connecting part 8. That is, the cylinder case 2, the motor case 4, the handle 6, and the connecting part 8 are an integrated unit. Therefore, in the following description, the cylinder case 2, the motor case 4, the handle 6, and the connecting part 8 may be collectively referred to as the "housing 10".

[0016] The housing 10 is composed of two housing members made of synthetic resin such as nylon or polycarbonate. Specifically, the housing 10, which includes the cylinder case 2, motor case 4, handle 6, and connecting part 8, is formed by two housing members that are butted against each other.

[0017] Here, the longitudinal direction of the cylinder case 2 is defined as "up / down direction X1," and the longitudinal direction of the motor case 4 is defined as "front / back direction Y1." Furthermore, the direction perpendicular to the up / down and front / back directions is defined as "left / right direction Z1." However, these definitions are merely for the sake of explanation.

[0018] According to the above definition, the motor case 4 is located below the handle 6 and extends rearward from the cylinder case 2. On the other hand, the handle 6 is located above the motor case 4 and extends diagonally upward from the cylinder case 2 towards the rear.

[0019] As shown in Figure 2, the cylinder case 2 houses the cylinder 20. Furthermore, the cylinder 20 houses the piston 21. The piston 21 housed in the cylinder 20 reciprocates within the cylinder 20 in the axial direction (vertical direction X1) of the cylinder 20. Inside the cylinder 20, the inner surface of the cylinder 20 and the upper surface of the piston 21 form the piston upper chamber 22. The volume of the piston upper chamber 22 increases or decreases with the reciprocating motion (vertical motion) of the piston 21. Specifically, the volume of the piston upper chamber 22 is minimum when the piston 21 is at top dead center and maximum when the piston 21 is at bottom dead center.

[0020] A driver blade 23 is connected to the lower surface of the piston 21. The driver blade 23 is integrated with the piston 21 and reciprocates (moves up and down) together with the piston 21. The driver blade 23 moves downward and collides with the fastener 3, striking the fastener 3. In other words, the driver blade 23 is a component that strikes the fastener 3 downward in the vertical direction X1. In this embodiment, the downward direction in the vertical direction X1 coincides with the direction in which the driver blade 23 strikes the fastener 3.

[0021] A damper 24 made of rubber or urethane is provided at the bottom of the cylinder 20. The damper 24 receives the piston 21 when it reaches bottom dead center and prevents a collision between the piston 21 and the nose 27 located below the cylinder 20. The damper 24 is supported by a damper support 28. The driver blade 23 is positioned within the guide holes of the damper support 28 and the damper 24 and extends downward from the piston 21. In other words, the driver blade 23 penetrates the damper 24 and the cylinder 20 and protrudes downward from the cylinder 20.

[0022] In this embodiment, the piston 21 and driver blade 23, which are molded separately, are connected and integrated, and the striking portion 5 is formed by the piston 21 and driver blade 23. However, the piston 21 and driver blade 23 may be molded as a single unit.

[0023] Furthermore, a magazine section 12 is attached to the side of the housing 10. In addition, an injection passage 31 is provided below the cylinder case 2. The injection passage 31 is formed by a plurality of members (injection passage forming members), including a first blade guide 30 that extends downward from the cylinder case 2. The injection passage forming members include, in addition to the first blade guide 30, a second blade guide 39 provided in the magazine section 12 and paired with the first blade guide 30, and a nose 27 positioned above the first blade guide 30 and the second blade guide 39. The first blade guide 30 holds the front side of the injection passage 31, i.e., around the push lever 29. On the other hand, the second blade guide 39 holds the rear side of the injection passage 31, i.e., the magazine section 12.

[0024] Furthermore, the driver blade 23 strikes the fastener 3 that has been fed into the injection passage 31, which is formed by the injection passage forming members including the first blade guide 30. More specifically, the driver blade 23 strikes the head of the fastener 3 that has been fed into the injection passage 31. The fastener 3, struck by the driver blade 23, passes through the injection passage 31 and is injected from the injection port 36 located at the end of the injection passage 31. The first blade guide 30 and the second blade guide 39, which are members forming the injection passage 31, correspond to a part of the injection section 34 of this application.

[0025] The injection unit 34 is covered by a dust cover 7, which is an element of the housing 10. The injection unit 34 is provided with a first blade guide 30 and a second blade guide 39, which form an injection passage 31 in which the stopper 3 is placed. Therefore, the first blade guide 30 and the second blade guide 39 are covered by the dust cover 7.

[0026] Furthermore, the injection unit 34 supports the stopper 3 so that it can be struck by the striking unit 5, and forms an injection path 31 through which the struck stopper 3 passes. In other words, the injection unit 34 is the part that injects the stopper 3. The injection unit 34 has an injection port 36 for injecting the stopper 3 on the push lever 29. The striking unit 5 then strikes the stopper 3 located in the injection unit 34. More specifically, the striking unit 5 strikes the stopper 3 located in the injection unit 34 along the striking path 35.

[0027] Furthermore, the magazine section 12 is capable of accommodating multiple connected nails, known as connected nails 3a, and is equipped with a supply mechanism such as a feeder section 33 that supplies the multiple fasteners 3 contained within it one by one to the injection passage 31. In addition, the magazine section 12 has an internal supply passage 12d, which is the passage through which the fasteners 3 are supplied to the injection section 34.

[0028] Furthermore, when removing the magazine section 12 from the ejection section 34, operating the lever 12a will cause the latch 12c to disengage from the hook section 12b, allowing the magazine section 12 to be detached from the motor case 4.

[0029] Furthermore, the magazine section 12 extends along the extension direction M1. In addition, a magazine cover 37 is provided at the rear of the magazine section 12, and a stabilizer 11 is attached to the magazine cover 37. The stabilizer 11 is a component that forms the legs of the driving machine 1, and is placed against the mating material when driving, supporting the driving machine body so that the driving machine 1 maintains a straight posture. The stabilizer 11 has a structure that allows it to be stored by folding it towards the magazine section 12 with the shaft portion 11a as the axis of rotation.

[0030] Furthermore, the driving machine 1 is equipped with a pin wheel 25 that moves the piston 21 from the bottom dead center side to the top dead center side. The pin wheel 25 is fixed to a drive shaft (not shown) which is rotationally driven by a motor 13. The pin wheel 25 has multiple pins arranged at predetermined intervals along the circumferential direction (direction of rotation). On the other hand, the driver blade 23 has multiple racks arranged at predetermined intervals along the axial direction (vertical direction X1).

[0031] The rotational driving force output from the motor 13 housed in the motor case 4 is transmitted to the drive shaft to which the pinwheel 25 is attached via a planetary gear type reduction mechanism 15. The motor 13 is an electric brushless motor that operates on power supplied from a battery 16 mounted on the rear of the housing 10 (the back of the connecting part 8). The battery 16 has multiple rechargeable batteries 16a inside. The connecting part 8 has a controller 17 built in as a control unit. The controller 17 is a microcomputer composed of a CPU, ROM, RAM, etc., and controls the start / stop, rotation amount, rotation speed, etc. of the motor 13 according to predetermined conditions. The controller 17 is electrically connected to the motor 13 via wiring 18.

[0032] Furthermore, the handle 6 is equipped with a trigger 9 and a trigger sensor (not shown). The trigger sensor detects whether or not an operating force is applied to the trigger 9 and outputs a signal according to the detection result.

[0033] Furthermore, a chamber 26a forming a pressure accumulator 26 is provided above the cylinder 20. The pressure accumulator 26 communicates with the piston upper chamber 22 and also serves as a biasing section that biases the piston 21. In this embodiment, the diameter of the chamber 26a is larger than the diameter of the cylinder 20. In a structure in which the chamber 26a has a larger diameter than the cylinder 20, it is possible to keep the overall height of the driving machine 1, including the cylinder 20 and the chamber 26a, low while securing the required volume of the pressure accumulator 26.

[0034] The piston upper chamber 22 and the pressure accumulator chamber 26 are filled with high-pressure gas (compressed air in this embodiment). When the piston 21 is moved from the bottom dead center side to the top dead center side (when the piston 21 is raised), the motor 13 rotates forward under the control of the controller 17. When the motor 13 rotates forward, the pinwheel 25 rotates in a predetermined direction.

[0035] Next, an example of the operation of the driving machine 1 of this embodiment will be described. When the controller 17 detects that no operating force is being applied to the trigger 9, or that the push lever 29 is not being pressed against the workpiece, it stops supplying power to the motor 13. As a result, the motor 13 stops, and the striking unit 5 stops in the standby position.

[0036] When the controller 17 detects that operating force is applied to the trigger 9 and that the push lever 29 is pressed against the workpiece, it applies voltage from the battery 16 to the motor 13, causing the motor 13 to rotate in the forward direction. This starts the driving operation. In other words, unless the controller 17 detects both that operating force is applied to the trigger 9 and that the push lever 29 is pressed against the workpiece, it will not output a signal to apply voltage from the battery 16 to the motor 13, and will not start the driving operation.

[0037] When the driving operation begins, the motor 13 starts up. The rotational force of the motor 13 is transmitted to the pin wheel 25 via the reduction mechanism 15. When the pin wheel 25 starts to rotate, the multiple pins on the pin wheel 25 sequentially engage with the multiple racks on the driver blade 23. Subsequently, when the pin wheel 25 rotates until the pin furthest downstream in the rotational direction engages with the lowest rack in the vertical direction X1, the piston 21 is pushed up to top dead center.

[0038] As the piston 21 is pushed up as described above, the compressed air in the piston upper chamber 22 is sent to the pressure accumulator chamber 26 and further compressed. Subsequently, as the pin wheel 25 rotates further, the engagement between the pin on the pin wheel 25 and the rack on the driver blade 23 is released. Then, the pressure of the compressed air (air pressure) in the piston upper chamber 22 and the pressure accumulator chamber 26 causes the piston 21 to move from top dead center to bottom dead center, and the driver blade 23 to move downward. In other words, the piston 21 and the driver blade 23 descend.

[0039] Then, the driver blade 23 descends toward the bottom dead center and strikes the stopper 3 located in the injection passage 31. The tip of the injection section 34 is provided with a push lever 29 that can move in the vertical direction X1. The stopper 3, struck by the driver blade 23, is guided by the push lever 29 and ejected from the injection section 34, where it is driven into the mating material.

[0040] Next, the work machine system 70 will be described. In this embodiment, the driving machine (work machine) 1 equipped with the adapter 19 shown in Figure 5 is defined as the work machine system 70. The adapter 19 is a component that is attached to the driving machine 1 when driving in fasteners 3, such as the clip-type fasteners 3b shown in Figures 3 and 4, in a single shot. The clip-type fasteners 3b consist of a clip 3c for fixing pipes and the like, and a nail 3d that is driven into the mating material via the clip 3c so that the clip 3c is fixed to the mating material. As shown in Figures 2 and 5, when driving, the clip-type fasteners 3b are attached to the injection port 36 of the driving machine 1 and driven in in a single shot.

[0041] The adapter 19 can be attached to the magazine section 12. When attached to the magazine section 12, the adapter 19 restricts the movement of the stopper 3 (connecting nail 3a shown in Figure 17) between the injection section 34 and the supply passage 12d. Specifically, the adapter 19 restricts the movement of the stopper 3 between the injection section 34 and the supply passage 12d by blocking the supply passage 12d near the injection section 34 that communicates with the injection section 34.

[0042] The shape of the adapter 19 will now be described. As shown in Figures 7 and 8, the adapter 19 comprises an adapter body 19a and an arm portion 19b attached to the adapter body 19a. When the adapter 19 is attached to the magazine portion 12, the arm portion 19b is inserted into the supply passage 12d (see Figure 2), as shown in Figures 5 and 6. As a result, the supply passage 12d is blocked by the arm portion 19b, and the adapter 19 restricts the movement of the stopper 3 to the ejection portion 34. The ejection portion 34 is provided with a second blade guide (guide portion) 39 that guides the striking portion 5 to strike the stopper 3. When the adapter 19 is attached to the magazine portion 12, the arm portion 19b of the adapter 19 is positioned inside the second blade guide 39.

[0043] Furthermore, the adapter body 19a has a notch 19d and an L-shaped recessed corner 19e. The notch 19d and corner 19e engage with the guides 12e and 12f (see Figure 15) of the magazine section 12, respectively. This allows the adapter 19 to move smoothly on the magazine section 12 by the guides 12e and 12f. The guides 12e and 12f are also rails that guide the movement of the feeder section 33. Specifically, the movement of the feeder section 33 is guided by the feeder section-side notch 33a which engages with the guide 12e shown in Figure 15, and the feeder section-side corner (not shown) which engages with the guide 12f. In other words, the adapter 19 is guided by the engagement of the notch 19d shown in Figure 16 with the guides 12e and 12f, which are rails of the feeder section 33, and moves along the movement path of the feeder section 33. Furthermore, the adapter body 19a has a recess 19c formed therein to avoid contact with the sensor part (movable member) 32a of the dry-firing prevention mechanism 32 (see Figure 9), which will be described later. That is, when the adapter 19 is attached to the magazine part 12 and the adapter 19 comes into contact with the second blade guide 39, the sensor part 32a of the dry-firing prevention mechanism 32 is positioned in the recess 19c of the adapter 19, thereby preventing the dry-firing prevention function of the dry-firing prevention mechanism 32 from activating.

[0044] Here, we will explain the dry-firing prevention mechanism 32 of the nail driving machine 1. The dry-firing prevention mechanism 32 is a mechanism that prevents driving when the connected nails 3a shown in Figure 17 are loaded into the magazine section 12 and the nail driving machine 1 is driving them, but the connected nails 3a are not supplied to the injection section 34. In other words, the dry-firing prevention mechanism 32 is a mechanism that restricts the striking section 5 from striking when the connected nails 3a are not located in the injection section 34.

[0045] As shown in Figure 9, the magazine base 42 extends from its front end in the extending direction M1 toward the rear, and the surface of the magazine base 42 is covered by a dust cover 45 (see Figure 1). A ribbon spring 41 is attached to the magazine base 42, which has a recessed hook portion 41a on the front side in the extending direction M1. The ribbon spring 41 is wound around a roller 41b, and is fixed to the magazine base 42 by the front end in the extending direction M1 engaging with the hook portion 41a.

[0046] The roller 41b, which winds up the ribbon spring 41, is housed in the feeder section 33. The hook portion 41a at the tip of the ribbon spring 41 is fixed to the front end of the magazine base 42. The feeder section 33, which houses the roller 41b, is constantly biased forward (towards the second blade guide 39) by the ribbon spring 41, pushing the connected nails 3a shown in Figure 17 toward the injection passage 31 (see Figure 2). In other words, the magazine section 12 has a feeder section 33 that is biased by the ribbon spring 41 toward the injection section 34 along the supply passage 12d and supplies the connected nails 3a to the injection section 34.

[0047] Furthermore, the magazine section 12 has a rod-shaped sensor section (movable member) 32a that retracts forward of the second blade guide 39 in the extending direction M1 as shown in Figure 9, or protrudes backward of the second blade guide 39 as shown in Figure 10. This rod-shaped sensor section 32a is always biased backward in the extending direction M1 by a coil spring (not shown).

[0048] In other words, the magazine section 12 has a feeder section 33 that moves in accordance with the change in the remaining amount of connected nails 3a supported by the magazine base 42, and the sensor section 32a moves when its rear end (contact portion 32d) comes into contact with the feeder section 33. The dry-firing prevention function of the dry-firing prevention mechanism 32 switches between on and off between a first position and a second position as the contact portion 32d of the sensor section 32a, which is part of the dry-firing prevention mechanism 32, comes into contact with the feeder section 33 and moves. For example, the first position is when the rod-shaped sensor section 32a is retracted to the front side of the second blade guide 39, as shown in Figure 9, and the dry-firing prevention function of the dry-firing prevention mechanism 32 is activated (on). On the other hand, for example, the second position is when the rod-shaped sensor section 32a is protruding to the rear side of the second blade guide 39, as shown in Figure 10, and the dry-firing prevention function of the dry-firing prevention mechanism 32 is not activated (off).

[0049] Furthermore, a magnet 32b is embedded near the front end of the rod-shaped sensor section 32a as part of the dry-firing prevention mechanism 32. The injection section 34 has a Hall IC 32c that detects the movement of the front end (magnet 32b) of the sensor section 32a.

[0050] As a result, when the remaining amount of connected nails 3a in the magazine section 12 falls below a predetermined amount, the feeder section 33 comes into contact with the rod-shaped sensor section 32a, and the front end of the sensor section 32a, including the magnet 32b, protrudes forward from the second blade guide 39. The hole IC 32c provided in the injection section 34 detects the magnet 32b of the sensor section 32a that protrudes from the second blade guide 39, and the nail driving operation of the nail driving machine 1 is stopped.

[0051] Thus, the rod-shaped sensor portion 32a of the dry-firing prevention mechanism 32 moves by contacting the feeder portion 33, and is a sensor that switches the dry-firing prevention function on and off between a first position and a second position. The driving machine 1 is provided with a dry-firing prevention mechanism 32 which includes a ribbon spring 41 having a hook portion 41a, a feeder portion 33 biased forward by the ribbon spring 41, a rod-shaped sensor portion 32a that is in contact with the feeder portion 33 and protrudes forward of the second blade guide 39, and a Hall IC 32c capable of detecting the sensor portion 32a.

[0052] Therefore, when the clip-type fastener 3b shown in Figure 3 is placed in the ejection port 36 shown in Figure 2 and driven in by the driving machine 1, it is necessary to prevent the dry-firing prevention function of the dry-firing prevention mechanism 32 from being activated, and also to prevent the connected nails 3a from being supplied from the supply passage 12d of the magazine section 12 to the ejection passage 31.

[0053] Therefore, in the nail driving machine 1 of this embodiment, by attaching the adapter 19 to the magazine section 12, the dry-firing prevention function of the dry-firing prevention mechanism 32 is prevented from being activated, and the connected nails 3a are not supplied from the supply passage 12d of the magazine section 12 to the ejection passage 31.

[0054] Specifically, by positioning the arm portion 19b of the adapter 19 inside the second blade guide 39, the arm portion 19b blocks the supply passage 12d of the magazine portion 12, thereby restricting the supply of the connecting nails 3a to the ejection passage 31.

[0055] Furthermore, the adapter 19 has a recess 19c formed therein, and when the adapter 19 is pressed by the feeder section 33 and comes into contact with the second blade guide 39, the adapter 19 is mounted such that the rod-shaped sensor section 32a is positioned in the recess 19c formed therein so that the adapter 19 does not press against the rod-shaped sensor section 32a.

[0056] Next, the method for attaching the adapter 19 to the magazine section 12 will be described. First, as shown in Figure 9, with the connecting nails 3a (see Figure 17) not contained in the supply path 12d of the magazine section 12, the feeder section 33 is pulled and moved to the rear in the front-rear direction Y1, as shown in Figure 10. This causes the feeder section 33 to move away from the second blade guide 39 to the rear.

[0057] Next, in the supply path 12d of the magazine section 12, the adapter 19 is installed between the second blade guide 39 and the feeder section 33, as shown in Figure 11. That is, the adapter 19 is inserted between the second blade guide 39 and the feeder section 33 in the supply path 12d. Next, the adapter 19 is rotated in a predetermined direction so that the arm section 19b faces the second blade guide 39. In other words, to install the adapter 19, the feeder section 33 is pulled to the rear in the front-rear direction Y1, and the arm section 19b is inserted into the supply path 12d between the second blade guide 39 and the feeder section 33 with its longitudinal direction aligned with the longitudinal direction of the supply path 12d. After insertion, the adapter 19 is rotated so that the longitudinal direction of the arm section 19b is aligned with the up-down direction X1, and the arm section 19b is positioned on the second blade guide 39 side of the adapter 19.

[0058] Next, when the adapter 19 is installed and released, the feeder section 33 also opens, and the adapter 19 is biased by the feeder section 33 and fixed in place by being sandwiched between the second blade guide 39 and the feeder section 33. In other words, the adapter 19 is installed by being sandwiched between the feeder section 33 and the injection section 34.

[0059] At this time, as shown in Figure 15, the adapter 19 is biased by the feeder 33 and moves forward, with the notch 19d of the adapter 19 being guided by the guide portion 12e of the magazine portion 12, and the corner portion 19e being guided by the guide portion 12f of the magazine portion 12.

[0060] As shown in Figures 11 to 13, the adapter 19 is installed so that the arm portion 19b of the adapter 19 is positioned inside the second blade guide 39 and the arm portion 19b blocks the supply passage 12d of the magazine portion 12. With the adapter 19 installed in this way, even if the driver 1 is later used after loading the connected nails 3a as shown in Figure 17, the connected nails 3a will not be supplied to the ejection passage 31. In other words, as shown in Figures 13 and 14, the arm portion 19b blocks the supply passage 12d, preventing the connected nails 3a from being supplied to the ejection section 34 even if they are loaded later.

[0061] Furthermore, the adapter 19 has a recess (avoidance portion) 19c, as shown in Figure 7, which prevents it from coming into contact with the rod-shaped sensor portion (movable member) 32a. As a result, even when the adapter 19 is mounted sandwiched between the second blade guide 39 and the feeder portion 33, the rod-shaped sensor portion 32a protruding from the rear side of the second blade guide 39 is positioned in the recess 19c of the adapter 19, and the rod-shaped sensor portion 32a does not move. In other words, the adapter 19 interposes itself between the feeder portion 33 and the dry-firing prevention mechanism 32 (sensor portion 32a), preventing the feeder portion 33 from coming into contact with the dry-firing prevention mechanism 32 (sensor portion 32a).

[0062] As described above, when the adapter 19 is attached to the magazine section 12, the dry-firing prevention function of the dry-firing prevention mechanism 32 is disabled. When the adapter 19 is attached to the magazine section 12, the arm section 19b is positioned so as not to enter the striking path 35 of the striking section 5 shown in Figure 2.

[0063] As a result, the adapter 19 allows the clip-attached fastener (second fastener) 3b to enter through the ejection port 36 of the push lever 29. In other words, by attaching the adapter 19 to the magazine section 12, it becomes possible to load the clip-attached fastener 3b into the ejection port 36 of the push lever 29 and drive the clip-attached fastener 3b into place. At this time, the fastener 3 can be divided into a connecting nail (first fastener) 3a, which is housed in the magazine section 12 and is not struck by the striking section 5 when the adapter 19 is attached to the magazine section 12, and a clip-attached fastener 3b (second fastener), which is not housed in the magazine section 12 and is struck by the striking section 5 when the adapter 19 is attached to the magazine section 12.

[0064] According to the work machine system 70 and adapter 19 of this embodiment, by attaching the adapter 19 to the magazine section 12, the adapter 19 restricts the movement of the stopper 3 (connecting nail 3a) between the injection section 34 and the supply passage 12d. Specifically, the supply passage 12d of the magazine section 12 is blocked by the arm section 19b of the adapter 19, thereby restricting the supply of the stopper 3 (connecting nail 3a) to the injection section 34. Furthermore, even when the adapter 19 is attached to the magazine section 12, the rod-shaped sensor section 32a protruding from the rear side of the second blade guide 39 is positioned in the recess 19c of the adapter 19, and the rod-shaped sensor section 32a does not move. Therefore, the dry-firing prevention function of the dry-firing prevention mechanism 32 does not activate. In other words, the dry-firing prevention function can be disabled.

[0065] This makes it possible to perform single-shot firing with the firing machine 1. Specifically, it becomes possible to load the clip-attached stopper 3b into the ejection port 36 of the push lever 29 from the outside and fire the clip-attached stopper 3b. In this way, by simply attaching the adapter 19 to the magazine section 12, single-shot firing can be performed without having to replace the magazine section 12 with a magazine for single-shot firing.

[0066] As a result, the convenience of the driving machine (working device) 1 can be improved.

[0067] Furthermore, since there is no need to prepare a magazine for single-shot firing, the cost increase of the firing machine 1 can be suppressed. In addition, if the adapter 19 is attached to the magazine section 12, it is possible to prevent the firing machine 1 from being used for continuous firing if the adapter 19 is forgotten to be removed.

[0068] Furthermore, by attaching the adapter 19 to the magazine section 12, the adapter 19 makes it difficult to see the ejection section 34 from the outside. Specifically, the arm portion 19b of the adapter 19 is positioned inside the second blade guide 39 so as to block the supply passage 12d of the magazine section 12, making it difficult to see where the striking section 5 strikes the stopper 3. This prevents the operator from inadvertently inserting a rod or other object into the striking path 35 from the rear side of the magazine section 12.

[0069] Next, a modified example of this embodiment will be described. Figure 18 shows a modified dry-firing prevention mechanism 48. The dry-firing prevention mechanism 48 has a projection 46a that mechanically prevents dry-firing, replacing the rod-shaped sensor part 32a and Hall IC 32c shown in Figure 9, and this projection 46a is provided on the feeder part 46. In other words, the dry-firing prevention mechanism 48 is the projection 46a provided on the feeder part 46.

[0070] In the dry-firing prevention mechanism 48, as shown in Figure 19, when the feeder section 46 is pulled to the rear, there is nothing to obstruct the vertical movement of the push lever 29, so the push lever 29 can move up and down in the injection passage 31. In other words, it is possible to press the push lever 29 against the mating material and retract the push lever 29, thereby enabling the injection operation. In this case, since the push lever 29 moves upward in the vertical direction X1 in the injection passage 31, the upper end portion 29a of the push lever 29 is located above the hole 39a through which the projection 46a of the second blade guide 39 passes.

[0071] On the other hand, as shown in Figure 20, when the feeder section 46 is opened, the feeder section 46 is biased forward in the front-rear direction Y1, so the feeder section 46 moves forward and comes into contact with the second blade guide 39. At this time, the projection 46a provided on the feeder section 46 passes through the hole 39a of the second blade guide 39 and enters the injection passage 31. Because the projection 46a of the feeder section 46 has entered the injection passage 31, the upper end 29a of the push lever 29 cannot move upward. In other words, the push lever 29 cannot be pushed, so the injection operation cannot be performed in this state. In other words, the state shown in Figure 20 is the state in which the dry-firing prevention function of the dry-firing prevention mechanism 48 is activated.

[0072] Furthermore, in a work machine equipped with a dry-firing prevention mechanism 48, when performing single-shot firing, as shown in Figure 21, the adapter 47 is attached to the magazine section 12 to prevent the dry-firing prevention function of the dry-firing prevention mechanism 48 from activating, and to prevent the connected nails 3a (see Figure 17) from being supplied from the supply passage 12d (see Figure 20) of the magazine section 12 to the ejection passage 31.

[0073] Specifically, by positioning the arm portion 47b provided on the adapter 47 shown in Figure 22 inside the second blade guide 39 shown in Figure 21, the arm portion 47b blocks the supply passage 12d of the magazine portion 12, thereby restricting the supply of connecting nails 3a to the injection passage 31. Furthermore, the adapter 47 has a recess 47c formed in its adapter body 47a, and when the adapter 47 is pressed by the feeder portion 46 and comes into contact with the second blade guide 39, the adapter 47 is mounted such that the projection 46a is positioned in the recess 47c formed in the adapter 47 so that the projection 46a does not pass through the hole 39a of the second blade guide 39 and enter the injection passage 31.

[0074] When attaching the adapter 47 to the magazine section 12, the adapter 47 is attached in the supply path 12d of the magazine section 12 between the second blade guide 39 and the feeder section 46, as shown in Figure 21. When the attachment of the adapter 47 is completed and the adapter 47 is released, the feeder section 46 is also released, and the adapter 47 is biased by the feeder section 46 and fixed in place by being sandwiched between the second blade guide 39 and the feeder section 46. In other words, the adapter 47 is attached by being sandwiched between the feeder section 46 and the injection section 34.

[0075] At this time, as shown in Figures 15 and 24, the adapter 47 is biased by the feeder 46 and moves forward, with the notch 47d of the adapter 47 being guided by the guide portion 12e of the magazine portion 12, and the corner portion 47e being guided by the guide portion 12f of the magazine portion 12.

[0076] Furthermore, the adapter 47 has a recess (avoidance portion) 47c in which the projection 46a of the feeder portion 46 is positioned. As a result, even when the adapter 47 is mounted sandwiched between the second blade guide 39 and the feeder portion 46, as shown in Figure 23, the projection 46a is positioned in the recess 47c of the adapter 47, and the projection 46a does not enter the injection passage 31.

[0077] As described above, even if the adapter 47 is attached first and the driver 1 is later loaded with connected nails 3a as shown in Figure 17, the connected nails 3a will not be supplied to the ejection passage 31. In other words, the arm portion 47b blocks the supply passage 12d, thereby restricting the supply of connected nails 3a to the ejection section 34 even if they are loaded later. Therefore, when the adapter 47 is attached to the magazine portion 12, it disables the dry-firing prevention function of the dry-firing prevention mechanism 48.

[0078] As a result, the adapter 47 allows the clip-attached stopper 3b shown in Figure 3 to enter through the nozzle 36 of the push lever 29. In other words, by attaching the adapter 47 to the magazine section 12, it becomes possible to load the clip-attached stopper 3b into the nozzle 36 of the push lever 29 and fire the clip-attached stopper 3b with a single shot.

[0079] Even when the dry-firing prevention mechanism 48 of this modified example is adopted, by attaching the adapter 47 to the magazine section 12, the adapter 47 restricts the movement of the stopper 3 (connecting nail 3a) between the ejection section 34 and the supply path 12d. In other words, the dry-firing prevention function of the dry-firing prevention mechanism 48 can be disabled.

[0080] This makes it possible to perform single-shot firing with the firing machine 1. Specifically, it becomes possible to load the clip-attached stopper 3b into the ejection port 36 of the push lever 29 from the outside and fire the clip-attached stopper 3b. In this way, by simply attaching the adapter 47 to the magazine section 12, single-shot firing can be performed without having to replace the magazine section 12 with a magazine for single-shot firing.

[0081] As a result, even when the dry-firing prevention mechanism 48 is adopted, the convenience of the driving machine (working machine) 1 can be improved.

[0082] The present invention is not limited to the embodiments described above, and can be modified in various ways without departing from its spirit. For example, the above embodiments describe a driving machine suitable for driving fasteners into a mating material such as a concrete wall. However, the driving machine may be a type other than a driving machine for driving into concrete walls. [Explanation of Symbols]

[0083] 1... Nail driving machine (working machine), 2... Cylinder case, 3... Fastener, 3a... Connected nail (first fastener), 3b... Fastener with clip (second fastener), 3c... Clip, 3d... Nail, 4... Motor case, 5... Impact part, 6... Handle, 7... Dust cover, 8... Connecting part, 9... Trigger, 10... Housing, 11... Stabilizer, 11a... Shaft part, 12... Magazine part, 12a... Lever, 12b... Hook part, 12c... Latch, 12d... Supply path, 12e, 1 2f...Guide section, 13...Motor, 15...Reduction mechanism, 16...Battery, 16a...Rechargeable battery, 17...Controller, 18...Wiring, 19...Adapter, 19a...Adapter body, 19b...Arm section, 19c...Recess (avoidance section), 19d...Notch section, 19e...Corner section, 20...Cylinder, 21...Piston, 22...Upper piston chamber, 23...Driver blade, 24...Damper, 25...Pinwheel, 26...Pressure accumulation chamber (biasing section), 26a...Cha 27...Nose, 28...Damper support part, 29...Push lever, 29a...Upper end part, 30...First blade guide, 31...Ejection path, 32...Dry-firing prevention mechanism, 32a...Sensor part (movable member), 32b...Magnet, 32c...Hall IC, 32d...Contact part, 33...Feeder part, 33a...Feeder part side notch, 34...Ejection part, 35...Impact path, 36...Ejection port, 37...Magazine cover, 39...Second blade guide (guy 39a…Hole, 41…Ribbon spring, 41a…Hook, 41b…Roller, 42…Magazine base, 45…Dust cover, 46…Feeder section, 46a…Protrusion, 47…Adapter, 47a…Adapter body, 47b…Arm section, 47c…Recess (avoidance section), 47d…Notch, 47e…Corner, 48…Dry-firing prevention mechanism, 70…Work machine system, M1…Extending direction, X1…Up and down direction, Y1…Front and back direction, Z1…Left and right direction

Claims

1. An injection unit for ejecting the fastener, A striking section that strikes the stopper located at the injection section, A work machine comprising a magazine section capable of accommodating multiple fasteners, It has an adapter that can be attached to the magazine section, The magazine section is equipped with a supply path inside, which is a passage through which the stopper is supplied to the injection section. The adapter is attached to the magazine section to restrict the movement of the stopper between the injection section and the supply path, in a work machine system.

2. In the work machine system according to claim 1, The adapter has an arm portion that is inserted into the supply path, A work machine system in which the arm portion blocks the supply path, thereby restricting the movement of the stopper.

3. In the work machine system according to claim 2, The injection unit has a guide unit that guides the striking unit to strike the fastener, The arm portion is a work machine system located inside the guide portion.

4. In the work machine system according to claim 1, The magazine section is biased toward the injection section along the supply path and has a feeder section that supplies the stopper to the injection section. The adapter is attached by being sandwiched between the feeder section and the injection section in a work machine system.

5. In the work machine system according to claim 1, The injection unit is equipped with a dry-fire prevention mechanism that restricts the striking unit from striking when the stopper is not positioned there. The adapter, when attached to the magazine section, disables the dry-firing prevention function of the dry-firing prevention mechanism, in this work machine system.

6. In the work machine system according to claim 5, The magazine section is biased toward the injection section along the supply path and has a feeder section that supplies the stopper to the injection section. The dry-firing prevention function is activated when the dry-firing prevention mechanism moves in contact with the feeder section, switching between a first position and a second position. The adapter is interposed between the feeder section and the dry-firing prevention mechanism, thereby preventing the feeder section from coming into contact with the dry-firing prevention mechanism, in this work machine system.

7. In the work machine system according to claim 6, The dry-firing prevention mechanism has a movable member that moves by contacting the feeder portion to switch the dry-firing prevention function on and off between the first position and the second position. The adapter is a work machine system having an avoidance portion that avoids contact with the movable member.

8. An injection unit for ejecting the fastener, A striking section that strikes the stopper located at the injection section along the striking path, A magazine section capable of accommodating multiple fasteners, The magazine section includes a supply passage formed inside the magazine section, which is a passage through which the stopper is supplied to the injection section, The magazine section can be fitted with an adapter having an arm section. The arm portion is positioned within the supply path and not in the striking path of the work machine system.

9. In the work machine system according to any one of claims 1 to 8, The injection unit has an injection port for injecting the fastener, The aforementioned fastener is, The first fastener is not struck by the striking part when the adapter is attached, The aforementioned adapter is A work machine system that allows the second fastener, which is struck by the striking part when the adapter is attached, to enter through the ejection port.

10. It can be attached to a work machine that drives in fasteners. The arm portion is inserted into the magazine section of the work machine that houses the aforementioned fastener, The magazine section is equipped with a supply path inside, which is a passage through which the stopper is supplied to the injection section of the work machine. The arm portion is an adapter that, when attached to the magazine portion, blocks the supply passage in such a way as to restrict the movement of the stopper between the ejection portion and the supply passage.

11. In the adapter according to claim 10, The injection unit has an injection port for injecting the fastener, The aforementioned fastener is, The adapter is a first fastener that is not struck by the striking part of the work machine when it is attached to the magazine section. The arm portion is an adapter that allows the second fastener, which is struck by the striking portion when the adapter is attached, to enter the ejection port.

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