TWM508415U - A nail-driving gun trigger assembly - Google Patents

Abstract

A nail-driving gun trigger assembly includes a hand-grip, a trigger piece, a safety latch and a release button. The safety latch is mounted on the trigger piece and is movable relative to the trigger piece. The release button is mounted on the trigger piece and is movable relative to the trigger piece. The release button and the safety latch are co-movable with the trigger piece relative to the hand-grip. The trigger piece is stopped from moving by engagement between the safety latch and the hand-grip. The release button is in sliding contact with the safety latch for disengaging the safety latch from the hand-grip and for permitting movement of the trigger piece relative to the hand-grip.

Description

Nail gun machine combination

The utility model relates to a nail gun machine combination, in particular to a nail gun machine combination with a safety bolt and a release button movably arranged on a trigger unit.

U.S. Patent No. 4,565,312 discloses a conventional safe gunpowder nail gun. The gunpowder nail gun comprises a gun body, a barrel and a firing device. The gun body includes a rear crotch portion, a bracket portion telescopically contacting the rear crotch portion, and a grip portion extending from the rear crotch portion. The barrel is movably disposed on the bracket portion. The barrel is provided with a medicine chamber for storing the cartridge, and an inner hole that can be placed in the piston rod. The firing device includes a bolt, a pin and a trigger. A firing pin is disposed in a blind hole in the firing pin and is pressed into a narrow hole in the bolt by a spring. The narrow bore has a firing blocking surface that engages the firing lever. a stopper is pivoted to the bracket portion and has an inner hole that is pushed into the bracket portion by a spring to abut against the tongue of the barrel, thereby preventing the barrel from being opposite to the bracket portion Move toward the bolt to position the cartridge in a position to be fired. By the arrangement of the stopper, the accident of firing due to accidental fall can be reduced.

In operation, the user must press the stop with one hand The tongue is removed from the inner hole of the bracket portion so that the cartridge is located at the position to be fired, and then the grip is held by the other hand to allow the finger to press the trigger. At this time, the triggering of the trigger drives the firing lever to move into the blind hole to leave the firing blocking surface, and the needle is moved toward the cartridge by a spring pushing, thereby completing the firing.

This pre-case is based on safety considerations, operated and fired by both hands, and is designed to prevent accidental firing when the tool is dropped, but it is extremely inconvenient to use.

Accordingly, the purpose of the novel nailer combination is to provide a nailer combination that overcomes the aforementioned disadvantages associated with the prior art.

Therefore, the novel nail gun assembly includes a gun body, the gun body including a grip defining an inner space and a window communicating with the inner space; a trigger device including a trigger a safety bolt and a release button, the trigger extends through the window and into the internal space, and the trigger is movable relative to the grip between a non-fired position and a fired position, the safety bolt is movable Disposed on the trigger and moved relative to the trigger between a latching position and a non-latching position, the release button being movably disposed on the trigger and in a first position relative to the trigger Moving between the second position, when the trigger moves between the non-fired position and the fired position, the release button and the safety pin can move along with the trigger relative to the grip; an elastic recovery unit, Returning the trigger to the non-fired position, the safety bolt to the latching position and the release button to the first position. When the safety pin is in the latching position, the safety pin is blocked by the grip The trigger cannot be moved from the non-fired position to the fired position. The release button and the safety pin are slidably coupled to each other, and when the release button is pushed from the first position to the second position, the safety pin is driven from the latching position to the non-latching position, so that the safety pin is not The grip blocks, thereby allowing the trigger to move from the non-fired position to the fired position with the safety catch and the release button.

The effect of the novel is that through the action of the release button, the safety plug, the trigger and the grip, the safety protection measures can be achieved and the firing action can be completed by one-hand operation without changing the user's usage habits.

2‧‧‧ gun body

20‧‧‧Internal space

21‧‧‧ grip

212‧‧‧Block

22‧‧‧Window

3‧‧‧ board machine

30‧‧‧Board chamber

31‧‧‧ Operation protrusion

311‧‧‧ front wall of the machine

312‧‧‧ opposite wall

313‧‧‧ bottom wall

314‧‧‧ bottom hole

315‧‧‧ front hole

4‧‧‧Safety bolt

41‧‧‧ bottom end

42‧‧‧Sliding surface

43‧‧‧ Groove

44‧‧‧ upper end

45‧‧‧Upper pile

5‧‧‧ release button

51‧‧‧ button front wall

52‧‧‧

53‧‧‧Sliding surface

54‧‧‧arms

540‧‧‧ trench

6‧‧‧Elastic recovery unit

61‧‧‧Latch spring

62‧‧‧Board spring

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a perspective view illustrating the combination of the present nail gun machine in one embodiment; FIG. 2 is a The sectional view shows the distribution of the internal components of the nail gun combination; FIG. 3 is a partial exploded perspective view showing the combination of local components in the embodiment; FIG. 4 is a partial front view; 3 is a perspective view showing the structure of a trigger in the embodiment; FIG. 6 is a partial cross-sectional view showing a first embodiment of the embodiment. When a release button is in a first position, a safety pin is located at a The latching position and the plate position is in a non-fired position; Figure 7 is a partial cross-sectional view showing a second embodiment of the embodiment. When the release button is in a second position, the safety pin is in a non-latching position and the plate is in a non-fired position. Position and FIG. 8 is a partial cross-sectional view illustrating a third embodiment of the embodiment. When the release button is in the second position, the safety pin is in the latching position and the trigger is coupled with the release. Both the button and the safety pin are placed in a firing position.

Referring to Figures 1 to 6, an embodiment of the present combination of a nail gun machine is shown.

The nail gun assembly includes a gun body 2, a trigger device and an elastic recovery unit 6. The gun body 2 includes a grip 21 defining an interior space 20 and a window 22 in communication with the interior space 20. The trigger device includes a trigger 3, a safety pin 4 and a release button 5. The trigger 3 extends through the window 22 to the interior space 20 and is movable relative to the grip 21 between a non-fired position (see Figure 7) and a firing position (see Figure 8). The safety pin 4 is movably disposed on the trigger 3 and moves relative to the trigger 3 between a latching position and a non-latching position (see FIGS. 6 and 7). The release button 5 is movably disposed on the trigger 3 and movable between a first position and a second position relative to the trigger 3 (see FIGS. 6 and 7). When the trigger 3 moves between the non-fired position and the fired position, the release button 5 and the safety catch 4 can move synchronously with respect to the gripper 31 with respect to the trigger 3. The elastic recovery unit 6 includes a latch spring 61 and a trigger spring 62 for returning the trigger 3 to the non-fired position, the safety pin 4 to the latch position, and the release Button 5 to the first position.

When the safety pin 4 is in the latching position, the safety pin 4 is blocked by the grip 21 so that the trigger 3 cannot be moved from the non-fired position to the fired position. The release button 5 is slidably coupled to the safety pin 4, and when the release button 5 is pushed from the first position to the second position, the safety pin 4 is also pushed from the latch to the non-latching position, so that the insurance The bolt 4 is not blocked by the grip 21, thereby allowing the trigger 3 to move from the non-fired position to the fired position together with the safety catch 4 and the release button 5.

In this embodiment, the trigger 3 includes an operating projection 31 projecting toward the front of the window 22, the operating projection 31 having a trigger front wall 311. The release button 5 is adjacent to the front wall 311 of the trigger and has a button front wall 51 in front of the front wall 311 of the trigger. The user can press the front wall 311 of the trigger by two fingers of the single hand and the Button front wall 51.

The safety pin 4 moves relative to the trigger 3 in a first direction (X) between a latched position and a non-latched position. The release button 5 is moved relative to the trigger 3 between the first position and the second position along a second direction (Y) perpendicular to the first direction (X). The manner in which the safety pin 4 and the release button 5 are placed on the trigger 3 and the direction in which the safety pin 4 and the release button 5 move relative to the trigger 3 help prevent accidental firing when the tool is dropped.

The trigger 3 is pivotally connected to the grip 21 and rotates relative to the grip 21 about a Z-axis between the non-fired and the fired position. The Z-direction axis is perpendicular to a plane (X, Y) formed by the first and second directions.

The operating protrusion 31 is hollow, defining a trigger chamber 30, and two opposing walls 312 extending rearward from opposite ends of the trigger front wall 311 are mutually A bottom wall 313 is coupled to the trigger front wall 311 and the opposing wall 312 and defines a bottom aperture 314. A front hole 315 is formed in the front wall 311 of the trigger. The release button 5 extends through the front hole 315 and is disposed in the trigger cavity 30 of the operating protrusion 31, and protrudes toward the front and the top of the front hole 315. The front plate 311 of the matching machine defines a first step 52. The front wall 311 of the trigger and the front wall 51 of the button are located, so the front wall 311 of the trigger is located at a step backward of the front wall 51 of the button. In this way, the user can respectively place two fingers on the front wall 311 of the trigger and the front wall 51 of the button, and the finger placed on the front wall 51 of the button is placed before and above the finger placed on the front wall 311 of the trigger. .

The grip 21 forms a blocking portion 212 located above the bottom hole 314 of the bottom wall 313 of the operating protrusion 31 and adjacent to the window 22. The safety pin 4 has a bottom end portion 41 and is located in the operating projection 31. When the safety pin 4 is in the latching position and attempts to move the trigger 3 from the non-fired position to the fired position, the bottom end portion 41 of the safety pin 4 is in contact with the blocking portion 212 and is blocked by the blocking portion 212. Blocking, so that the trigger 3 can be prevented from being displaced from the non-fired position to the fired position, and when the safety pin 4 is in the non-latching position, the bottom end portion 41 is located above the blocking portion 212 and is not subjected to the blocking portion. 212 blocks so that the trigger 3 is displaced from the non-fired position to the fired position. When the safety pin 4 is in the latching position, the bottom end portion 41 extends to the bottom hole 314. When the safety pin 4 is in the non-latching position, the bottom end portion 41 is placed in the bottom hole 314 and the blocking portion Above section 212.

The release button 5 includes a sliding surface 53 that is inclined to a plane formed by the first and second directions (X, Y). The safety pin 4 includes a tilt to the A sliding surface 42 of a plane formed by the first and second directions (X, Y). The sliding surface 53 is slidably coupled to the sliding surface 42 to drive the safety pin 4 to move relative to the trigger 3 .

The safety pin 4 defines a recess 43 and the safety pin 4 includes an upper end portion 44 located in the trigger chamber 30, the upper end portion 44 defining a top end of the recess 43. The release button 5 includes a hook-shaped arm portion 54 that extends to the recess and defines a groove 540. The upper end portion 44 of the safety pin 4 extends to the groove 540 and defines the sliding surface 42. The arm portion 54 defines the sliding surface 53 on one side of the groove 540.

When the button front wall 51 is moved to be flush with the trigger front wall 311, the safety pin 4 leaves the blocking portion 212 with the trigger 3 and the step 52 does not exist. The arrangement of the trigger front wall 311 and the button front wall 51 with a first-order space helps to operate the unlocking and staking action of the trigger 3. Further, operating the trigger 3 with two fingers also provides a safety function for preventing accidental firing of the front wall 311 of the trigger due to accidental contact with the trigger 3.

The upper end portion 44 of the safety pin 4 forms an upper stud 45. The latch spring 61 is a coil spring. The latch spring 61 is mounted on the upper stud 45 and abuts against the upper end portion 44 and the trigger 3 . The trigger spring 62 is a torsion spring, and the trigger spring 62 is mounted on the trigger 3 and abuts against the trigger 3 and the grip 21.

In summary, the safety pin 4 and the release button 5 are movably disposed on the trigger 3 of the nail gun combination, which can effectively overcome the related shortcomings in the prior art, so that the present invention can be achieved. The purpose.

However, the above is only a preferred embodiment of the present invention, and when it is not possible to limit the scope of the present invention, any simple equivalent changes and modifications made in accordance with the scope of the present patent application and the contents of the patent specification are It is still within the scope of this new patent.

2‧‧‧ gun body

20‧‧‧Internal space

21‧‧‧ grip

212‧‧‧Block

22‧‧‧Window

3‧‧‧ board machine

4‧‧‧Safety bolt

5‧‧‧ release button

52‧‧‧

6‧‧‧Elastic recovery unit

61‧‧‧Latch spring

62‧‧‧Board spring

Claims (9)

A nail gun machine assembly comprising: a gun body comprising a grip defining an interior space and a window communicating with the interior space; a trigger device comprising a trigger, a safety pin and a release a button, the trigger passes through the window and extends into the inner space, and moves relative to the grip between a non-fired position and a fired position, the safety pin is movably disposed on the trigger and relative to the plate Moving between a latching position and a non-latching position, the release button being movably disposed on the trigger and moving relative to the trigger between a first position and a second position, when the trigger When the non-fired position moves between the non-fired position and the fired position, the release button and the safety pin can move synchronously with the movement of the trigger relative to the grip; and an elastic recovery unit is used to restore the trigger to the non-fired position a firing position, returning the safety latch to the latching position and restoring the release button to the first position; wherein when the safety pin is in the latching position, the safety pin is blocked by the grip such that the trigger Unable to move from this non-fired position to a firing position; wherein the release button and the safety pin are slidably coupled to each other, and when the release button is pushed from the first position to the second position, the safety pin is displaced from the locking position to the non-latching position, The safety pin is prevented from being blocked by the grip, thereby allowing the trigger to move from the non-fired position to the fired position together with the safety pin and the release button. The nail gun combination according to claim 1, wherein the trigger comprises an operation protrusion protruding toward the front of the window, the operation protrusion having a front wall of the trigger, the release button being disposed in front of the trigger The wall has a front wall of the button disposed in front of the front wall of the trigger. The user can press the front wall of the trigger and the front wall of the button by two fingers of one hand. The nail gun combination according to claim 2, wherein the safety pin is movable relative to the trigger between the latching position and the non-latching position in a first direction relative to the board The machine moves between the first position and the second position along a second direction perpendicular to the first direction. The nail gun combination according to claim 3, wherein the trigger is pivotally connected to the grip, and the trigger is rotatable relative to the grip about an axis between the non-fired position and a fired position, the shaft Vertical to the first direction and the second direction. The nail gun combination according to claim 2, wherein the operation protrusion is hollow and further comprises two opposite walls extending rearward from the front wall of the trigger, the front wall of the trigger forming a front hole, The release button is disposed on the operating protrusion and extends through the front hole to protrude outside the front hole, and defines a first step with the front wall of the trigger. The nail gun combination according to claim 5, wherein the grip comprises a stopper disposed adjacent to the window, the safety plug including a bottom end disposed adjacent to the stopper, when the insurance When the bolt is in the latching position, the bottom end portion is blocked by the stopping portion and cannot be moved from the latching position to the non-latching position, and the bottom end portion is away from the stop when the safety bolt is in the non-latching position. Ministry of Action. The nail gun combination according to claim 3, wherein the release button includes a sliding surface inclined to the first direction and the second direction, the safety pin includes a tilting direction of the first direction and the second a sliding surface of the direction, the sliding surface slidingly contacting the sliding surface to move the safety pin relative to the trigger. The nail gun combination according to claim 7, wherein the safety bolt has an upper end portion and a groove, the upper end portion defining a top edge of the groove, and the release button comprises a hook-shaped arm portion. The arm extends through the recess and defines a groove, the upper end of the safety bolt extends into the groove and defines the sliding surface, the arm defining the sliding surface on one side of the groove . The nail gun combination according to claim 8, wherein the elastic recovery unit comprises a latch spring and a trigger spring, the upper end of the safety bolt has an upper stud, and the latch spring is mounted on the The upper stud is abutted against the upper end and the trigger, and the trigger spring is mounted on the trigger and abuts the trigger and the grip.