Driving tool

Abstract

For example, in concrete nailing tools, the magazine can be removed to prevent nail jamming. The magazine is fixed in place by fixing screws or a locking mechanism. Conventionally, the user had to loosen the fixing screws or release the locking mechanism before moving the magazine in the removal direction to remove it, which resulted in poor operability. This disclosure improves the operability when removing the magazine. [Solution] When the operating member 42 is unlocked, the lock engagement portion 44 of the magazine 30 is pressed, and the locking member 43 rotates to the unlock side, releasing the locked state. When the locking portion 43a of the locking member 43 is pressed against the locking guide portion 44c of the lock engagement portion 44, the magazine 30 is pushed out in the removal direction by the biasing force of the biasing member 46.

Description

Technical Field

[0001] The present disclosure relates to a driving tool provided with a magazine capable of loading a plurality of driving tools.

Background Art

[0002] For example, in a driving tool for driving nails into concrete, the magazine is detachable from the tool body in order to remove the driving tool clogged in the nose portion. The magazine disclosed in Patent Document 1 is attached by engaging the tip portion in the feeding direction with the nose portion and engaging an operating member provided on the rear side in the feeding direction with the tool body side. When removing the magazine, it can be removed from the tool body by moving the operating member to the unlock side and moving the rear side in the detachment direction.

[0003] The magazine disclosed in Patent Document 2 is slidably engaged with a slide pedestal portion provided so as to protrude laterally from the nose portion. The magazine is attached by engaging an operating member provided on the rear side of the slide pedestal portion with a lock portion provided on the rear side of the magazine. When removing the magazine, it can be removed by moving the operating member to the unlock side to release the engagement with the lock portion and sliding it in the removal direction.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0005] In the driving tools disclosed in Patent Documents 1 and 2, the user must first move the operating member to the unlock side, and then move the magazine in the removal direction to remove it. This requires the user to perform two operations, making the removal process cumbersome. This disclosure aims to improve the operability of magazine removal. [Means for solving the problem]

[0006] According to one aspect of this disclosure, a driving tool comprises a tool body for driving in a driving tool and a magazine detachably provided on the tool body for housing the driving tool. The driving tool comprises a locking member for locking the magazine irremovably to the tool body and an operating member that, when operated, moves the locking member to an unlocked position. The driving tool comprises an extrusion portion provided on the operating member, which, when the operating member is operated to the unlocked side, pushes the magazine in a removal direction relative to the tool body.

[0007] Therefore, when the operating member is operated, the locking state by the locking member is released, and the magazine is pushed in the removal direction by the extrusion portion of the operating member. This improves the ease of operation when removing the magazine. [Brief explanation of the drawing]

[0008] [Figure 1] This is an overall side view of the driving tool. [Figure 2] This is a left side view showing the internal structure of the driving tool. This diagram shows the magazine installed. [Figure 3] This is a left side view showing the internal structure of the driving tool. This diagram shows the magazine removed. [Figure 4] This is a right-side view of the magazine lock mechanism. This diagram shows the magazine in a detached state. [Figure 5] This is a left side view of the magazine itself. [Figure 6] This is a perspective view of the nose section from below, with the magazine removed. [Figure 7] This is an enlarged view of section VII in Figure 2. This figure shows the locked state of the magazine lock. [Figure 8] This is an enlarged view of section VIII in Figure 3. This figure shows the magazine lock in the unlocked state. [Figure 9] This is a perspective view of the lower part of the magazine and the magazine lock. This figure shows the magazine lock in the locked state. This figure shows the magazine lock viewed from the lower left side at an angle. [Figure 10] This is a view from arrow X in Figure 9. This figure shows the magazine lock section viewed from the right side, diagonally downwards. [Figure 11] This is a perspective view of the magazine lock section from the left side. This diagram shows the mechanism with the operating component removed. [Figure 12] This is a perspective view of a single operating component. [Figure 13] This is a perspective view of the magazine lock mechanism. This diagram shows the magazine removed and the lock window viewed from the front, slightly to the left. [Figure 14] This is a left side view of the driving tool according to the second embodiment. [Figure 15] This is a left side view of the magazine lock section according to the second embodiment. This figure shows the locked state. [Figure 16] This is a left side view of the magazine lock section according to the second embodiment. This figure shows the unlocked state. [Modes for carrying out the invention]

[0009] In one or more embodiments, the locking member and the operating member are separately movably mounted on the tool body. Therefore, the operating direction of the operating member and the direction of movement of the locking member toward the unlocked position are different, resulting in a compact configuration in which secure locking is achieved at the magazine mounting position.

[0010] In one or more embodiments, the operating member has a stopper that restricts displacement of the locking member to the unlocked position. The stopper allows displacement of the locking member to the unlocked position by operation of the operating member. Accordingly, the magazine is securely locked at the attachment position by the stopper.

[0011] In one or more embodiments, the operating direction of the operating member intersects the feeding direction of the driving tool of the magazine and the driving direction of the driving tool of the tool body. Accordingly, the magazine can be removed by gripping the driving tool and operating the operating member in the lateral direction.

[0012] In one or more embodiments, the locking member is supported by the tool body so as to be rotatable about a support shaft extending in the operating direction of the operating member. Accordingly, the operating member and the locking member are arranged compactly.

[0013] In one or more embodiments, the locking member and the operating member are provided so as to be integrally movable with respect to the tool body. Accordingly, simplification of the configuration is achieved.

[0014] In one or more embodiments, the locking member moves from the locked position to the unlocked position by rotation. Accordingly, the operability when removing the magazine is improved.

[0015] In one or more embodiments, at least one of the pushing portion of the operating member or the locking engagement portion of the magazine against which the pushing portion abuts has an operating force conversion surface that converts the operating direction of the operating member into the removal direction of the magazine. Accordingly, the magazine is pushed in the removal direction by the operating force of the operating member.

[0016] In one or more embodiments, there is a biasing member that biases the locking member toward the locking side, and the biasing force of the biasing member also acts in the removal direction of the magazine. Accordingly, the magazine is pushed in the removal direction by the biasing force of the biasing member.

[0017] In one or more embodiments, the magazine has a locking guide portion against which a locking member slides when the magazine is installed, and a locking recess into which the locking member engages. When the magazine is removed, the locking guide portion is pushed in the removal direction by the locking member, which is biased by a biasing member. Thus, the locking guide portion functions effectively both when the magazine is installed and when it is removed.

[0018] In one or more embodiments, the magazine is pushed in the removal direction by operating an operating member, and when the locking member moves to the unlocked position, the magazine is further pushed in the removal direction by the biasing force of a biasing member. Therefore, the magazine is removed through a first stage in which it is pushed in the removal direction by operating an operating member, and a second stage in which it is pushed in the removal direction by the biasing force of a biasing member.

[0019] In one or more embodiments, the tool body has a nose portion extending in the driving direction to which a magazine is mounted, and the magazine is biased toward the nose portion when the magazine is attached. Thus, the magazine is mounted to the nose portion without any looseness.

[0020] In one or more embodiments, the magazine is locked in place by a locking member when it moves toward the tool body. Thus, the magazine can be attached to the tool body with a single touch. [Examples]

[0021] Next, one embodiment of the present disclosure will be described. As shown in Figures 1 to 3, an example of a driving tool 1 is shown, which is a gas spring type driving tool that utilizes the gas pressure in the pressure accumulator chamber at the rear of the cylinder as thrust for driving in the driving tool n. In the following description, the direction of each component will be specified when the driving tool 1 is held in a position for driving the driving tool n into the material to be driven W (wall surface), as shown in Figure 1. The user of the driving tool 1 is generally located behind the driving tool 1 in Figure 1. Therefore, the direction of driving in the driving tool n is defined as the forward direction, and the opposite direction is defined as the rear direction. The vertical and horizontal directions are based on the user.

[0022] The driving tool 1 has a tool body 10. The tool body 10 has a configuration in which a cylinder 12 is housed in a generally cylindrical body housing 11. A piston 13 is housed inside the cylinder 12 so as to be able to reciprocate back and forth. A driver 15 for striking the driving tool n is attached to the front center of the piston 13. The driver 15 is a long, rod-shaped member that extends far forward.

[0023] The tool body 10 has a nose section 20 at its front. A driving passage 20a is provided in the nose section 20. The front of the driver 15 enters the driving passage 20a. The nose section 20 has a nose frame 21 coupled to the front of the main body housing 11 and a cylindrical nozzle 22 protruding forward from the nose frame 21. The driving passage 20a is provided, passing through the nose frame 21 and the nozzle 22 from front to back. The driving tool n supplied into the driving passage 20a is struck by the driver 15. The struck driving tool n is launched from the front end of the nozzle 22.

[0024] The rear of the cylinder 12, located behind the piston 13, is connected to a pressure accumulator 14. The pressure accumulator 14 is filled with compressed gas, such as air. The gas pressure in the pressure accumulator 14 acts as a thrust on the rear surface of the piston 13, causing the piston 13 to move forward in the driving direction.

[0025] The piston 13 and driver 15, which have advanced in the driving direction due to gas pressure, are returned to their rearward standby position by the lift mechanism 25. The lift mechanism 25 is positioned extending downward from the front of the tool body 10. The lift mechanism 25 has a lift wheel 27 that is rotated by an electric motor 26. The motor axis of the electric motor 26 and the rotation axis of the lift wheel 27 are coaxial with each other and perpendicular to the direction of movement (forward and backward direction) of the driver 15.

[0026] As the driver 15 reaches its forward end during the driving motion, the lift wheel 27 rotates in engagement with it, returning the driver 15 and piston 13 to their rear standby positions. In the standby position, the electric motor 26 is activated, causing the driver 15 to move further backward, disengaging the lift wheel 27 from the driver 15. This allows the driver 15 to move forward and perform the driving motion.

[0027] A grip 5 for the user to hold is provided at the rear of the lift mechanism 25. The grip 5 is provided so as to extend downward from the side of the tool body 10. A switch lever 6 is provided on the upper front of the grip 5, which the user operates by pulling it with their fingertips. When the switch lever 6 is pulled, the switch body 7 turns on and the electric motor 26 of the lift mechanism 25 starts.

[0028] A rectangular, flat-plate-shaped controller 29 is positioned in front of the lift mechanism 25 and the electric motor 26. The controller 29 is positioned in a position that extends vertically. The lift mechanism 25, the electric motor 26, and the controller 29 are housed within a generally cylindrical lift housing 28.

[0029] A battery mounting section 8 is provided at the bottom of the grip 5. As shown in Figure 1, one battery pack 9 is mounted on the underside of the battery mounting section 8. The battery pack 9 can be attached to and detached from the battery mounting section 8 by sliding it back and forth. Figures 2 and 3 show the battery pack 9 removed from the battery mounting section 8.

[0030] A hook 2 is provided on the left side of the front part of the battery mounting section 8. By attaching the hook 2 to the user's waist belt, the driving tool 1 can be hung from the waist belt when not in use.

[0031] The front of the battery mounting section 8 is connected to the lower part of the lift housing 28. The main body housing 11, the lift housing 28, the grip 5, and the battery mounting section 8 are integrally provided with each other and each has a housing structure that is split in half horizontally.

[0032] The nozzle 22 of the nose section 20 is provided to be displaceable forward and backward within a certain range relative to the nose frame 21. When the nozzle 22 is brought into contact with the material to be driven W and the driving tool 1 is pressed in the driving direction, the nozzle 22 is retracted (turned on) relative to the nose frame 21. The driving operation is performed by pulling the switch lever 6 while the nozzle 22 is in the turned-on position. This prevents unintentional driving operations.

[0033] A magazine 30 is detachably attached to the tool body 10. The magazine 30 is coupled to the underside of the nose section 20. A magazine base 23 is attached along the underside of the nose frame 21. The upper part of the magazine 30 is coupled to the magazine base 23. As shown in Figure 5, the magazine 30 has a vertically elongated rectangular shape, mainly made of extruded aluminum. The magazine 30 is positioned along the front of the lift mechanism 25. Multiple driving tools n are loaded into the magazine 30. The multiple driving tools n are loaded as flat, plate-shaped connecting strips that are temporarily coupled in parallel.

[0034] The magazine 30 is equipped with a pusher 31. The pusher 31 is equipped with a feed claw 32, a regulating claw 36, and a coil spring 35. The feed claw 32 engages with the rearmost end of the connecting band of the loaded driving tool n. This pushes the driving tool n toward the driving passage 20a. When the remaining amount of driving tool n in the magazine 30 becomes low, the regulating claw 36 moves behind the nozzle 22. This restricts the retraction movement of the nozzle 22, preventing so-called dry firing.

[0035] The pusher 31 is biased upward in the feeding direction (upward) of the driving tool n by a coil spring 35. The end 35a of the coil spring 35 is hooked onto the top of the magazine 30. The connecting band of the loaded driving tool n is pushed toward the driving passage 20a by the pusher 31. One driving tool n at a time is supplied into the driving passage 20a of the nose section 20 in conjunction with the driving operation of the tool body 10.

[0036] As shown in Figures 9-11, a loading port 33 is provided at the bottom of the magazine 30. The connecting band of the driving tool n is loaded through the loading port 33. The pusher 31 is provided with a knob 34. When loading the driving tool n, the knob 34 can be grasped to move the pusher 31 downward against the coil spring 35. As it moves downward, the feed claw 32 is retracted from its engagement position with the driving tool n. By moving the pusher 31 below the connecting band of the driving tool n, the feed claw 32 engages with the last driving tool n. This pushes the loaded driving tool n toward the driving passage 20a of the nose section 20.

[0037] The magazine 30 can be removed from the nose section 20. This facilitates the removal of the driving tool n that is stuck in the nose section 20. Front and rear engaging sections 30a and 30b are provided on the upper part of the magazine 30. As shown in Figure 6, the magazine base 23 is provided with a pair of front and rear magazine receiving sections 23a and 23b. A driving passage 20a is opened between the front and rear magazine receiving sections 23a and 23b. The driving tool n is supplied into the driving passage 20a via the front and rear magazine receiving sections 23a and 23b.

[0038] The magazine 30 is coupled to the magazine base 23 with its front engaging portion 30a engaged with the front magazine receiving portion 23a and its rear engaging portion 30b engaged with the rear magazine receiving portion 23b. When attaching the magazine 30 to the magazine base 23, the entire magazine 30 is rotated backward around the front engaging portion 30a with respect to the front magazine receiving portion 23a, as indicated by the white arrow in Figure 3. This causes the rear engaging portion 30b to engage with the rear magazine receiving portion 23b of the magazine base 23, and the magazine 30 is mounted in a position parallel to the lift mechanism 25 (as shown in Figures 1 and 2).

[0039] To remove the magazine 30 from the magazine base 23, the entire magazine 30 is rotated forward around the engagement portion 30a of the front magazine receiving portion 23a, as indicated by the white arrow in Figure 3. This causes the rear engagement portion 30b to disengage from the rear magazine receiving portion 23b of the magazine base 23, moving it to the removal position shown in Figure 3. Figure 3 shows that in the removal position, the lower part of the magazine 30 is further away from the lift housing 28. After rotating the magazine 30 to the removal position, it can be completely removed from the magazine base 23.

[0040] The mounting position of the magazine 30 is fixed by the magazine lock portion 40. The magazine lock portion 40 has an operating member 42 and a locking member 43 on the tool body 10 side, and a locking engagement portion 44 on the magazine 30 side. The operating member 42 and the locking member 43 are supported by the lock housing 41. The lock housing 41 is integrally provided at the lower part of the lift housing 28. The lock housing 41 has a housing structure that is split in half horizontally, like the lift housing 28. The lock housing 41 has a left-right split structure where the right housing 41R and the left housing 41L are joined together. The locking engagement portion 44 is provided on the lower side of the magazine 30.

[0041] As shown in Figure 11, the right housing 41R of the lock housing 41 is provided with a support column 41a and a retaining column 41b. The support column 41a has a generally rectangular prism shape. The retaining column 41b has a generally cylindrical shape. The support column 41a and the retaining column 41b extend to the left parallel to each other. As shown in Figure 10, the right side of the operating member 42 is provided with a rectangular retaining groove 42c and a circular retaining hole 42b. The support column 41a is positioned within the retaining groove 42c, and the operating member 42 is supported so that it can move parallel between the left-side locked position and the right-side unlocked position.

[0042] As shown in Figure 11, a compression spring 45 is held in the retaining column 41b. The retaining column 41b and the compression spring 45 are held in the retaining hole 42b. The operating member 42 is biased toward the locked position (left) by the compression spring 45.

[0043] A rectangular prism-shaped operating section 42a is provided on the left side of the operating member 42. As shown in Figures 1 and 6, a rectangular window section 41c is provided in the left housing 41L of the lock housing 41. The operating section 42a of the operating member 42 protrudes to the outside of the lock housing 41 through the window section 41c. The user can place their fingertip on the operating section 42a and push the operating member 42 towards the unlocked position (to the right) against the biasing force of the compression spring 45.

[0044] As shown in Figures 9, 10, and 12, a stopper 42d is integrally provided on the right side of the operating member 42. The stopper 42d protrudes toward the locking member 43. The stopper 42d restricts the displacement of the locking member 43 toward the unlocking side. Therefore, the locking member 43 will not rotate toward the unlocking side unless the operating member 42 is pushed toward the unlocking side. Consequently, even if the magazine 30 is pulled in the removal direction without pushing the operating member 42 toward the unlocking side, the locking member 43 will not rotate toward the unlocking side, and the magazine 30 will not be released from its mounting position.

[0045] As shown in Figures 7-9 and 12, an extrusion section 42f is provided at the front of the operating member 42. The extrusion section 42f protrudes forward. An operating force conversion surface 42e is provided on the right side of the extrusion section 42f. The operating force conversion surface 42e is an inclined surface that protrudes forward, and is inclined in a direction that displaces further forward towards the left side. As shown in Figure 12, the operating force conversion surface 42e is formed, for example, by the end faces of multiple ribs extending in the vertical direction. The operating force conversion surface 42e may be changed to a single flat inclined surface.

[0046] As shown in Figure 11, a pivot shaft 41d is integrally provided in the right housing 41R of the lock housing 41. The pivot shaft 41d extends parallel to the support column 41a that supports the operating member 42. The lock member 43 is supported via the pivot shaft 41d so as to be able to rotate vertically. The lock member 43 has a cylindrical support portion 43c approximately in the center in the longitudinal direction. The pivot shaft 41d enters the inner circumference side of the support portion 43c, and the lock member 43 is supported so as to be able to rotate.

[0047] As shown in Figures 7-11, a locking portion 43a is provided at the front of the locking member 43. The locking portion 43a extends forward from the support portion 43c. The tip of the locking portion 43a is generally bent upward in an L-shape. An engaging portion 43b is provided at the rear of the locking member 43. The engaging portion 43b extends rearward from the support portion 43c.

[0048] A biasing member 46 is housed on the inner circumference of the support portion 43c. A single torsion spring is used in the biasing member 46. One end of the biasing member 46 is engaged with the locking member 43. The other end of the biasing member 46 is engaged with the lock housing 41 (right housing 41R). As a result, the locking member 43 is biased in a direction that displaces the locking portion 43a upward (towards the locking side, clockwise in Figure 7).

[0049] The engaging portion 43b of the locking member 43 is biased downward by the biasing member 46. The operating member 42 is located above the engaging portion 43b. When the operating member 42 is in the locked position, the stopper 42d of the operating member 42 is located on the upper side of the engaging portion 43b, thereby restricting the upward displacement of the engaging portion 43b. This prevents the locking member 43 from rotating towards the unlocked side (counterclockwise in Figure 7) against the biasing member 46.

[0050] As shown in Figure 8, when the operating member 42 is pushed to the right, the stopper 42d is displaced to the right relative to the engaging portion 43b of the locking member 43. This allows the engaging portion 43b of the locking member 43 to be displaced upward, and therefore the locking member 43 can be rotated toward the unlocked side.

[0051] The locking engagement portion 44 is attached to the rear surface of the magazine 30. As shown in Figure 6.13, a locking window portion 41e is provided on the front surface of the lock housing 41. When attaching or detaching the magazine 30, the locking engagement portion 44 moves in and out of the lock housing 41 through the locking window portion 41e.

[0052] The lock engagement portion 44 is provided with a lock recess 44a, an operating force conversion surface 44b, and a lock guide portion 44c. The lock recess 44a and the lock guide portion 44c are provided on the lower surface of the lock engagement portion 44. The lock guide portion 44c is provided adjacent to the rear side of the lock recess 44a. The operating force conversion surface 44b is provided on the left side of the lock engagement portion 44.

[0053] As shown in Figures 4 and 8, when the magazine 30 is installed, the locking engagement portion 44 enters the lock housing 41 through the lock window portion 41e. Conversely, Figures 4 and 8 can also be seen as showing the state in which the locking engagement portion 44 is removed from the lock housing 41 through the lock window portion 41e in order to remove the magazine 30.

[0054] When the magazine 30 is installed, the operating member 42 is positioned in the left-hand locked position due to the biasing force of the compression spring 45. As the locking engagement portion 44 moves into the lock housing 41, the operating force conversion surface 44b moves to the right of the operating force conversion surface 42e of the operating member 42. The operating force conversion surface 44b of the locking engagement portion 44 is inclined so that its rear side is displaced to the right. Therefore, as the magazine 30 is installed, the operating force conversion surface 44b comes into contact with the operating force conversion surface 42e of the operating member 42 almost parallel to it with a small gap between them, or they come into surface contact and sliding contact.

[0055] When the magazine 30 is installed, the locking member 43 is rotated beyond the locked position to an initial position due to the biasing force of the biasing member 46. When the locking member 43 is in the initial position, the engaging portion 43b is separated downward from the stopper 42d of the operating member 42. Therefore, rotation of the locking member 43 toward the unlocked position is permitted.

[0056] When the lock engagement portion 44 enters the lock housing 41 via the lock window portion 41e, the lock portion 43a of the lock member 43, which is initially positioned, comes into contact with the lock guide portion 44c. The lock guide portion 44c is formed as an arc-shaped surface whose rear side is displaced upward. Therefore, the entry movement of the lock engagement portion 44 pushes the lock portion 43a downward. As a result, the lock member 43 rotates toward the unlocked side against the biasing member 46.

[0057] As the locking engagement portion 44 moves in, the locking member 43 rotates to the unlocked side, and the locking portion 43a is displaced relative to the front of the locking guide portion 44c. When the locking engagement portion 44 moves in further, the locking portion 43a disengages from the front end of the locking guide portion 44c. As a result, the locking member 43 rotates to the locked side due to the biasing force of the biasing member 46, and the locking portion 43a enters the locking recess 44a.

[0058] As the locking member 43 rotates toward the locking side, the locking portion 43a is hooked onto the rear surface of the locking recess 44a, and the locking engagement portion 44 is pulled into the lock housing 41 by the biasing force of the biasing member 46. This fixes the magazine 30 in the mounting position as shown in Figures 7 and 11. In this mounting state, the upward movement of the engagement portion 43b of the locking member 43 is restricted by the stopper 42d of the operating member 42. As a result, the locking portion 43a is locked in the position where it enters the locking recess 44a, and the magazine 30 is locked in the mounting position.

[0059] As shown in Figures 4, 7, 8, and 13, a triangular prism-shaped mounting guide portion 41f is provided between the operating member 42 and the locking member 43. The mounting guide portion 41f is integrally provided on the inner surface of the left housing 41L. The mounting guide portion 41f is positioned to straddle almost the entire space between the left and right housings 41L and 41R of the lock housing 41. A guide surface 41g is provided on the upper part of the mounting guide portion 41f. The guide surface 41g is inclined in a direction that displaces upward (towards the nose portion 20) towards the rear.

[0060] During the installation of the magazine 30, the lock guide portion 44c of the lock engagement portion 44 comes into contact with the guide surface 41g of the mounting guide portion 41f. As described above, the lock engagement portion 44 is pulled into the lock housing 41 by the biasing force of the biasing member 46, causing the lock guide portion 44c to elastically come into contact with the guide surface 41g. This guides the magazine 30 toward the nose portion 20 (nose frame 21).

[0061] By mounting the magazine 30 in a state where it is biased toward the nose portion 20 by the biasing force of the biasing member 46, the gap between it and the magazine base 23 is reduced, and rattling of the magazine 30 is suppressed.

[0062] To remove the magazine 30, the operating member 42 is pressed. In the mounted state of the magazine 30 shown in Figure 7, when the operating portion 42a of the operating member 42 is pushed to the right, the stopper 42d is displaced from above the engaging portion 43b of the locking member 43. This makes the locking member 43 rotatable to the unlocked side. When the operating member 42 is pushed, the operating force conversion surface 42e is pressed against the operating force conversion surface 44b of the locking engaging portion 44. This converts the pushing force of the operating member 42 into a force that pulls the locking engaging portion 44 out of the lock housing 41 (removal direction).

[0063] When the locking engagement portion 44 is pushed in the removal direction, the locking portion 43a is pushed against the rear surface of the locking recess 44a, causing the locking member 43 to rotate to the unlocking side. As shown in Figure 8, when the operating member 42 is pushed to the unlocking position, the locking engagement portion 44 is displaced in the removal direction, and the locking member 43 rotates further to the unlocking side, causing the locking portion 43a to disengage from the locking recess 44a and reach the front end of the locking guide portion 44c.

[0064] The magazine lock portion 40 is unlocked when the lock portion 43a disengages from the lock recess 44a. Once the lock portion 43a disengages from the lock recess 44a, it is pressed against the lock guide portion 44c by the biasing force of the biasing member 46. As a result, the biasing force of the biasing member 46 acts as a force that displaces the magazine 30 in the removal direction via the lock engagement portion 44. This pushes the magazine 30 out in the removal direction. Thus, the magazine 30 is removed through a first stage in which it is displaced in the removal direction by the pushing operation of the operating member 42, and a second stage in which it is pushed out by the biasing force of the biasing member 46 of the lock portion 43.

[0065] According to the first embodiment described above, when the operating member 42 is operated in the unlock direction, the lock state by the locking member 43 is released, and the magazine 30 is pushed in the removal direction by the extrusion portion 42f of the operating member 42. This improves the ease of operation when removing the magazine 30.

[0066] According to the first embodiment, the locking member 43 and the operating member 42 are separately provided to be movable within the lock housing 41 of the tool body 10. Therefore, the operating direction of the operating member 42 and the direction of movement of the locking member 43 toward the unlocked position are different, resulting in a compact configuration in which reliable locking is achieved at the mounting position of the magazine 30.

[0067] According to the first embodiment, the operating member 42 has a stopper 42d that restricts the displacement of the locking member 43 to the unlocked position. The stopper 42d allows the locking member 43 to be displaced to the unlocked position by the operation of the operating member 42. Therefore, the magazine 30 is securely locked in the mounting position by the stopper 42d.

[0068] According to the first embodiment, both the extrusion portion 42f of the operating member 42 and the locking engagement portion 44 of the magazine 30 that the extrusion portion 42f contacts have operating force conversion surfaces 42e and 44b that convert the operating direction of the operating member 42 to the removal direction of the magazine 30. Therefore, the magazine 30 is pushed in the removal direction by the operating force of the operating member 42.

[0069] According to the first embodiment, the operating direction of the operating member 42 intersects the extending direction (up and down direction) of the magazine 30 and the driving direction (front and back direction) of the tool body 10. Therefore, the magazine 30 can be removed by gripping the driving tool 1 and operating the operating member 42 laterally from the left side.

[0070] According to the first embodiment, the locking member 43 is supported in the lock housing 41 of the tool body 10 so as to be rotatable around a pivot shaft 41d that extends in the operating direction of the operating member 42. Therefore, the operating member 42 and the locking member 43 are compactly arranged.

[0071] According to the first embodiment, the locking member 43 has a biasing member 46 that biases it toward the locking side, and the biasing force of the biasing member 46 also acts in the removal direction of the magazine 30. Therefore, the biasing force of the biasing member 46 pushes the magazine 30 toward the removal direction.

[0072] According to the first embodiment, the magazine 30 has a lock guide portion 44c with which the locking member 43 slides when the magazine 30 is installed, and a lock recess 44a with which the locking member 43 engages. When the magazine 30 is removed, the lock guide portion 44c is pushed in the removal direction by the locking member 43 which is biased by the biasing member 46. Therefore, the lock guide portion 44c functions effectively both when installing and removing the magazine 30.

[0073] According to the first embodiment, the magazine 30 is pushed in the removal direction by the operation of the operating member 42, and when the locking member 43 moves to the unlocked position, the magazine 30 is further pushed in the removal direction by the biasing force of the biasing member 46. Therefore, the magazine 30 is removed from the tool body 10 through a first stage in which it is pushed in the removal direction by the operation of the operating member 42, and a second stage in which it is pushed in the removal direction by the biasing force of the biasing member 46.

[0074] According to the first embodiment, the tool body 10 has a nose portion 20 that extends in the driving direction and to which a magazine is attached, and a mounting guide portion 41f that guides the magazine 30 toward the nose portion 20 when the magazine 30 is attached. Therefore, the magazine 30 can be attached to the nose portion 20 without any looseness.

[0075] According to the first embodiment, the magazine 30 is locked in place by the locking member 43 when it moves toward the tool body 10. Therefore, the magazine 30 can be attached to the tool body 10 with a single touch.

[0076] Various modifications can be made to the first embodiment described above. For example, although the operating member 42 was shown as being biased toward the locked position by a compression spring 45, a configuration in which a leaf spring is used to bias it toward the locked position instead of the compression spring 45 may also be used.

[0077] Although the example shows the operating portion 42a of the operating member 42 positioned on the left side of the lock housing 41, it may also be positioned on the right side.

[0078] The operating force conversion surface 42e of the operating member 42 and the operating force conversion surface 44b of the locking engagement portion 44, or both or one thereof, may be changed to a curved surface.

[0079] The lock guide portion 44c is not limited to an arcuate surface; it may also be changed to an inclined surface or a curved surface.

[0080] Figures 14 to 16 show the magazine lock section 50 according to the second embodiment. Components and components that do not require modification are given the same reference numerals as in the first embodiment, and their descriptions are omitted. The magazine lock section 50 of the second embodiment has a locking member 51 supported by the lock housing 41 of the tool body 10. The locking member 51 is formed from a single component and integrally includes an operating lever 52, a locking arm 53, a stopper 54, and an extrusion section 55. This differs from the first embodiment in that the operating member 42 and the locking member 43 are separate components that can move in different directions relative to each other.

[0081] The locking member 51 is rotatably supported in the right housing 41R via a pivot shaft 56. The locking member 51 is rotatably mounted on an axis that intersects (is perpendicular to) both the feeding direction of the driving tool n in the magazine 30 and the driving direction of the driving tool n in the tool body 10 via the pivot shaft 56. The locking member 51 is biased in the clockwise direction shown by a biasing member 57 interposed around the pivot shaft 56. The operating lever 52, locking arm 53, stopper 54, and push-out section 55 are arranged at approximately four equal divisions around the pivot shaft 56.

[0082] The operating lever 52 extends downward relative to the pivot shaft 56. As shown in Figure 14, a rectangular window 58 is provided on the lower surface of the lock housing 41. The window 58 is provided on the left housing 41L. The tip of the operating lever 52 protrudes downward from the housing 41 through the window 58. As shown in Figure 15, when the locking member 51 is in the locked position, the operating lever 52 is in the locked position, extending downward from the window 58. As shown in Figure 16, when the locking member 51 is in the unlocked position, the operating lever 52 is in the unlocked position, extending diagonally downward and rearward from the window 58. The operating lever 52 is provided so that it can be rotated from outside the housing 41 within a range of approximately 45° between the locked position and the unlocked position.

[0083] The lock arm 53 extends forward relative to the support shaft 56. Similar to the lock member 43 in the first embodiment, the tip of the lock arm 53 is bent upward. As in the first embodiment, the tip of the lock arm 53 engages with the lock engagement portion 61 of the magazine holder 60, locking the magazine 30 in place. A lock recess 61a, similar to that in the first embodiment, is provided on the lower surface of the lock engagement portion 61 of the magazine holder 60. As shown in Figure 15, the tip of the lock arm 53 engages with the lock position by entering the lock recess 61a.

[0084] The stopper 54 extends rearward relative to the support shaft 56. A stopper receiving portion 59 is provided on the inner surface of the right housing 41R. As shown in Figure 15, in the locked state, the stopper 54 is in contact with the stopper receiving portion 59 from above due to the biasing force of the biasing member 57. This restricts the rotation of the locking member 51 in the illustrated clockwise direction (towards the locked position).

[0085] The extrusion section 55 extends upward with respect to the support shaft 56. The extrusion section 55 corresponds to the extrusion section 42f of the first embodiment. Similar to the first embodiment, an operating force conversion surface 55a is provided on the right side of the extrusion section 55. When the magazine 30 is installed, the operating force conversion surface 55a contacts the locking engagement portion 61 of the magazine holder 60. An operating force conversion surface 61b, similar to that of the first embodiment, is provided on the left side of the locking engagement portion 61. When the magazine 30 is installed, the operating force conversion surface 55a of the extrusion section 55 contacts the operating force conversion surface 61b.

[0086] Similar to the first embodiment, a locking engagement portion 61 is provided at the bottom of the magazine 30 so as to protrude rearward. The locking engagement portion 61 is integrally provided with the magazine holder 60. The magazine holder 60 integrally has a holder portion 62. The locking engagement portion 61 is integrally provided at the rear of the holder portion 62. The holder portion 62 extends forward from the locking engagement portion 61. The holder portion 62 passes through the right side of the magazine 30 to the front end. The front portion 62a of the holder portion 62 is fixed to the front end of the magazine 30 with a fixing screw 63.

[0087] The rear of the holder portion 62 is more firmly secured to the magazine 30 by a metal clip 65. The clip 65 has a U-shaped clamping portion 65a. The clamping portion 65a elastically clamps the rear of the holder portion 62 and the rear of the magazine 30. This firmly secures the holder portion 62, especially its rear, to the magazine 30.

[0088] A protruding portion 65b is integrally provided at the rear of the clamping portion 65a of the clip 65. The protruding portion 65b is screwed to the left side of the locking engagement portion 61 by a fixing screw 64. This firmly secures the clip 65 to the locking engagement portion 61. The clip 65 increases the support rigidity of the locking engagement portion 61 with respect to the magazine 30.

[0089] Similar to the first embodiment, a triangular prism-shaped mounting guide portion 66 is provided between the locking member 51 and the locking engagement portion 61. The mounting guide portion 66 is integrally provided on the inner surface of the left housing 41L. A guide surface 66a is provided on the upper part of the mounting guide portion 66. When the magazine 30 is installed, the locking engagement portion 61 comes into contact with the guide surface 66a and is guided upward, pushing the magazine 30 toward the nose portion 20. As a result, the magazine 30 is installed on the magazine base 23 without rattling, and the driving tool n is smoothly supplied into the driving passage 20a.

[0090] As shown in Figure 15, when the magazine lock section 50 is locked, the tip of the lock arm 53 enters the lock recess 61a of the lock engagement section 61. The operating force conversion surface 55a of the push section 55 is in contact with the operating force conversion surface 61b of the lock engagement section 61. The stopper 54 is in contact with the stopper receiving section 59.

[0091] The magazine 30 is attached to the tool body 10 without any wobbling by engaging the lock arm 53 and the extrusion portion 55 of the lock member 51 with the lock engagement portion 61, which is provided with high support rigidity by the clip 65.

[0092] As shown in Figure 16, when removing the magazine 30 from the tool body 10, the operating lever 52 is rotated to the unlocked position (rearward). The rotation of the operating lever 52 toward the unlocked position is performed against the biasing member 57. This causes the locking member 51 to rotate counterclockwise in the illustrated direction, and the locking arm 53 is pulled out from the locking recess 61a. At the same time, the locking engagement portion 61 is pushed forward by the pushing portion 55. The pushing out of the locking engagement portion 61 is performed by the rotational force of the operating lever 52.

[0093] When the operating lever 52 is rotated, the lock arm 53 disengages from the lock recess 61a, and the lock engagement portion 61 is pushed by the push portion 55, pushing the magazine 30 forward and removing it. When the rotation of the operating lever 52 to the unlock side is released with the magazine 30 removed, the operating lever 52 is rotated clockwise by the biasing member 57 and returned to the initial position beyond the locked position.

[0094] When installing the magazine 30, it is sufficient to rotate the magazine 30 backward while engaging its upper side with the magazine base 23. As the magazine 30 rotates backward, the locking engagement portion 61 enters the lock housing 41. Inside the lock housing 41, the tip of the lock arm 53 comes into contact with the lower surface of the locking engagement portion 61. As the locking engagement portion 61 enters further in this contact state, the locking member 51 rotates counterclockwise from its initial position against the biasing member 57. After the tip of the lock arm 53 comes into contact with the lower surface of the locking engagement portion 61 and is guided downward, it enters the lock recess 61a. Once the lock arm 53 enters the lock recess 61a, the locking engagement portion 61 is further pulled into the lock housing 41 by the biasing force of the biasing member.

[0095] During the retraction operation, the lock engagement portion 61 is pushed to the right by the operating force conversion surface 55a of the extrusion portion 55 and is guided upward by contacting the guide surface 66a of the mounting guide portion 66. The operating lever 52, along with the lock arm 53 and the extrusion portion 55, is returned to the locked position by the biasing force of the biasing member 57. As the operating lever 52 returns to the locked position, the lock arm 53 enters the lock recess 61a of the lock engagement portion 61, thereby locking the magazine 30 in the mounting position.

[0096] With the magazine locking mechanism 50 according to the second embodiment described above, when the operating lever 52 is operated in the unlock direction, the lock state by the lock arm 53 is released, and the magazine 30 is pushed in the removal direction by the push-out mechanism 55. This improves the ease of operation when removing the magazine 30.

[0097] In the second embodiment, the operating lever 52 and the lock arm 53 are integrated into one unit. This simplifies the configuration of the magazine lock section 50.

[0098] In the first and second embodiments, a gas spring type driving tool was exemplified as the driving tool 1, but the illustrated magazine lock parts 40 and 50 can also be applied to compressed air type driving tools that use compressed air supplied from an external source as a driving source, mechanical spring type driving tools that use the thrust of a compression spring as the driving force, or electric wheel type driving tools. [Explanation of symbols]

[0099] 1… Driving tool n... driving tool 2... Hook 5…Grip 6…Switch lever 7…Switch console 8...Battery mounting section 9…Battery pack 10...Tool body 11…Main housing 12... Cylinder 13... Piston 14...Pressure chamber 15…Driver 20... Nose section 20a... Driving path 21…Nose frame 22...Ejection port 23... Magazine base 23a, 23b... Magazine receiving section 25…Lift mechanism 26… Electric motor 27…Lift Wheel 28… Lift Housing 29…Controller 30... Magazine 30a, 30b...Engagement part 31... Pusher 32... Feeding claw 33...Loading port 34...Tip 35... Coil spring 35a...end 36... Regulatory claws 40... Magazine lock section 41…Lock Housing 41L...Left housing, 41R...Right housing 41a...Support column, 41b...Holding column, 41c...Window section, 41d...Support shaft 41e...Lock window section, 41f...Mounting guide section, 41g...Guiding surface 42…Operating member 42a...Operating section, 42b...Holding hole, 42c...Holding groove, 42d...Stopper, 42e...Operating force conversion surface 42f...Extrusion section 43… Locking component 43a... Locking part, 43b... Engaging part, 43c... Support part 44... Locking engagement part 44a... Lock recess, 44b... Operating force conversion surface, 44c... Lock guide part 46… Biasing member 50... Magazine lock mechanism (second embodiment) 51... Locking component 52...Operating lever 52 53... Lock Arm 54... Stopper 55...Extrusion section 55a... Operating force conversion surface 56...Spindle 57… Biasing member 58... Window section 59... Stopper receiving part 60... Magazine holder 61... Locking engagement part 61a... Lock recess, 61b... Operating force conversion surface 62...Holder part 62a... Front 63, 64… Fixing screws 65... Clip 65a... Clamping part, 65b... Protruding part 66...Installation guide section 66a... Guide surface

Claims

1. It is a driving tool, The tool body for driving in the driving tool, A magazine is provided detachably on the tool body and houses the driving tool, A locking member that locks the magazine onto the tool body in a way that prevents removal, An operating member that, when operated, moves the locking member to the unlocked position, A driving tool having an extrusion portion provided on the operating member, which pushes the magazine in the removal direction relative to the tool body when the operating member is operated to the unlock side.

2. The driving tool according to claim 1, The locking member and the operating member are separately and movably provided on the tool body of the driving tool.

3. The driving tool according to claim 2, The operating member has a stopper that restricts the displacement of the locking member to the unlocked position, and the stopper is a driving tool that allows the locking member to be displaced to the unlocked position by operation of the operating member.

4. A driving tool according to any one of claims 1 to 3, The operating direction of the operating member is such that it intersects the feeding direction of the driving tool in the magazine with the driving direction of the driving tool in the tool body.

5. A driving tool according to any one of claims 1 to 4, The locking member is a driving tool supported on the tool body so as to be rotatable around a pivot shaft extending in the operating direction of the operating member.

6. The driving tool according to claim 1, The locking member and the operating member are provided to the tool body so as to be movable integrally with each other in the driving tool.

7. The driving tool according to claim 6, A driving tool in which the locking member moves from a locked position to an unlocked position by rotation.

8. A driving tool according to any one of claims 1 to 7, A driving tool having an operating force conversion surface on at least one of the extrusion portion of the operating member or the lock engagement portion of the magazine against which the extrusion portion abuts, which converts the operating direction of the operating member to the removal direction of the magazine.

9. A driving tool according to any one of claims 1 to 8, A driving tool having a biasing member that biases the locking member toward the locking side, wherein the biasing force of the biasing member also acts on the magazine in the removal direction.

10. The driving tool according to claim 9, The magazine has a lock guide portion against which the locking member slides when the magazine is installed, and a lock recess into which the locking member engages. The lock guide portion is a driving tool that is pushed in the removal direction by the lock member, which is biased by the biasing member, when the magazine is removed.

11. The driving tool according to claim 10, A driving tool having a structure in which the magazine is pushed in the removal direction by the operation of the operating member, and when the locking member moves to the unlocked position, the magazine is further pushed in the removal direction by the biasing force of the biasing member.

12. A driving tool according to any one of claims 1 to 11, The tool body has a nose portion that extends in the driving direction and into which the magazine is attached, A driving tool that biases the magazine toward the nose portion when the magazine is installed.

13. A driving tool according to any one of claims 1 to 12, The magazine is a driving tool that is locked in place by the locking member when it moves toward the tool body.

Images