TWI406745B - Trigger components with switching function - Google Patents

Abstract

The present invention is a trigger assembly with switch-over function, which includes a combination of a trigger, a turning knob, a driving base, a trigger blade, and a depth adjustment set, and is switchable between a single striking mode and a continuous striking mode according the need of a user. Moreover, when compared with the prior technology, the present invention does not necessitate assembling the related elements in the pneumatic tool, thereby having the efficacies of reducing the number of components, occupying a less amount of space and being capable of stable striking, and is also coupled with the striking depth adjustment set to allow the user to perform nail striking depth adjustment according to the factors of construction material and environmental limitation condition, thereby achieving the purpose and efficacy of the present invention.

Description

Trigger assembly with switching function

The invention relates to a trigger assembly, in particular to a trigger assembly with a switching click and a continuous nailing function, and is provided with a nail depth adjustment group, which provides the user according to factors such as construction materials and environmental constraints. The adjustment of the nail depth.

Because of its advantages of easy carrying, stable power supply and easy operation and use, the small power tools have gradually replaced traditional human tools and become an indispensable tool for construction, civil engineering and decoration. With the maturity of production technology, a variety of more humane power tools continue to ask the market, so that consumers have more diverse choices, and the direction of research and development, from the main purpose of rapid and convenient use, to the multi-functional and Safety and other structures, and the nailing machine is used frequently in the small power tools used in practice.

In order to meet the different needs of the user's work, there is currently a design of a switching mechanism with a single firing and continuous firing mode for the nail trigger mechanism, the purpose of which is to generate a single pressing trigger to generate only a single firing and continuously press the trigger. Different firing modes such as continuous nailing.

As for the conventional switching mode of the trigger switching mechanism of the single and continuous firing, the adjustment switching device is usually set at the adjacent position of the trigger. This conventional design must consider the handling and linkage of the switching mechanism at the same time. As well as many factors such as the location of the group, the overall design result of the whole is difficult to avoid too many components, occupying space, unable to switch quickly, unable to stably achieve the click-to-send function, and often have problems such as click-through failure.

In view of this, the inventor of the present invention has invented a related product development and improvement in order to improve the problems encountered in the prior art, and finally invented a "trigger component with a switching function" to reduce components, occupy no space, and provide stability. The firing function is further combined with a nail depth adjustment group, so that the user can adjust the nailing depth according to the construction materials and environmental constraints, and meet the construction conditions at that time.

The main object of the present invention is to provide a trigger assembly with a switching function, which provides a user to switch between a click nail and a continuous nailing mode, and has a reduced number of components, no space occupation, and stable firing compared with the prior art. A nail depth adjustment group is provided to allow the user to adjust the nailing depth according to factors such as construction materials and environmental constraints, thereby achieving the object and effect of the present invention.

In order to achieve the above-mentioned purpose and effect, the "trigger assembly with switching function" of the present invention comprises a trigger, a knob, a movable seat, a trigger piece and a depth adjustment group, wherein: the trigger has a receiving groove, The opening direction of the accommodating groove is corresponding to the pneumatic valve stem, and a opening is formed at the bottom of one end of the accommodating groove; the knob is pivotally disposed at the other end of the accommodating groove, and the knob is provided with a shaft portion And the through hole portion is provided with a curved abutting portion; the driving seat is provided with a through hole, the knob is inserted through the through hole portion of the driving seat, and the through hole is provided with a swirl along the hole wall thereof The guiding slope of the shape, and the abutting portion of the knob slides against the guiding inclined surface; one end of the trigger piece is pivotally coupled with the driving seat, and the other end of the trigger piece extends to the opening and is arranged side by side with a long step and a low a step of pressing the pneumatic valve stem between the two ends of the trigger piece; and the depth adjustment group is disposed on a side of the trigger section, and the depth adjustment group is provided with a reliable resistance to the long step portion or the low step portion To the top; so, turn the knob to The abutting portion pushes against the driving seat along the guiding inclined surface, the driving seat is axially displaced along the threading portion, and the trigger piece is displaced along with the moving seat, and the long step portion continues when the top portion abuts against the long step portion and presses the trigger to rotate. Pressed against the top of the top, the trigger piece is continuously pressed against the pneumatic valve stem as a continuous nail, and when the top against the lower step and the trigger is rotated, the trigger piece is pressed against the pneumatic valve stem only once. And the outer edge space of the low-order portion is able to jump off the limit of the top, and the pneumatic valve stem is pressed and then reset to the click nail mode.

The "trigger assembly with switching function" of the present invention further includes the following technical features, wherein:

1. The driving seat is provided with at least one first pivoting arm, and the triggering piece is provided with a second pivoting arm pivotally connected to the at least one first pivoting ear.

2. The two ends of the knob protrude from the accommodating groove, one end of which is provided with a radially extending dial, and the other end of the knob has a fixing sleeve pivoted on the trigger to pivot the knob in the accommodating groove.

3. The bottom surface of the dial block is provided with a positioning concave, and the surface of the trigger is provided with two positioning protrusions corresponding to the positioning block of the dial block, and the rotary dial block is switched to click or combo to position the concave portion to engage the positioning protrusion.

4. The depth adjustment group includes an adjustment seat, an adjusting piece, an adjusting button and an actuating rod. The adjusting seat is assembled on the pneumatic tool body, and the adjusting seat is provided with at least one set of arms at one end, and the adjusting seat is The at least one set of arms is pivotally disposed at one end of the trigger having a slit, and the adjusting seat is disposed at an angle with the trigger for pivoting the trigger relative to the adjusting seat, and the adjusting seat is provided with a pivot at the other end of the at least one set of arms a neck, the adjusting seat is provided with an opening extending through the adjusting seat and the pivoting neck; the adjusting piece is slidably disposed in the opening, and one end of the adjusting piece is abutting the top, and the adjusting sleeve is pivoted to the pivoting neck, and the adjusting sleeve is pivoted to the pivoting portion The actuating rod is arranged on the adjusting button to move the adjusting piece forward and backward, so that the abutting top of the adjusting piece protrudes from the outer side of the opening to the long or low step of the trigger piece.

5. The pivoting neck is provided with a lateral sliding groove communicating with the opening, and the adjusting piece is an L-shaped member, and the regulating piece is provided with a corresponding blocking portion of the lateral sliding groove at an opposite end of the top.

6. Further, a spring is disposed between the lateral sliding groove wall and the blocking portion.

7. The adjusting piece is provided with a reinforcing rib at the top of the abutting portion and the inner surface of the turning portion.

Therefore, the present invention can be said to be a practical and progressive creation, which is quite worthy of promotion by the industry and is publicized to the public.

In order to further illustrate the above objects and effects of the present invention, an embodiment will be described below, and please refer to the first to seventh figures of the drawing, the "trigger component with switching function" of the present invention is assembled. On the pneumatic tool body 1, the present invention includes a trigger 2, a knob 3, a movable base 4, a trigger piece 5, and a depth adjustment group 6, wherein: the trigger 2 has a receiving groove 21, the capacity The opening direction of the slot 21 is corresponding to the pneumatic valve stem 11, and the bottom of one end of the accommodating slot 21 is opened with a slit 22; the knob 3 is pivotally disposed at the other end of the accommodating slot 21 with the section 22, and The knob 3 is provided with a shaft portion 31. The shaft portion 31 is provided with an arc-shaped abutting portion 32 (as shown in the second figure). The two ends of the knob 3 protrude from the receiving groove 21, one end of which is The sliding block 33 is provided with a radially extending dial 33, and the other end of the knob 3 has a fixing sleeve 34 pivotally disposed on the trigger 2 to pivot the knob 3 in the receiving slot 21; The surface of the trigger 2 is provided with two positioning protrusions 23 corresponding to the dial positioning recesses 331, and the rotary dial 33 is provided to be switched to click or connect. The positioning recess 331 is engaged with the positioning protrusion 23; the driving base 4 is provided with a through hole 41 having a change in the size of the aperture, and the knob 3 is inserted through the through hole portion 31 in the through hole 41 of the driving base 4, and The through hole 41 is provided with a convoluted guiding inclined surface 42 along the end wall of the hole, and the abutting portion 32 of the knob 3 slides against the guiding inclined surface 42. The other end hole wall of the driving seat 4 is sleeved with a spring. 43. The spring 43 simultaneously sleeves the shaft 3 of the knob 3 so that the two ends of the spring 43 respectively abut against the hole of the hole 41 and the side wall of the receiving groove 21, and the spring 43 is rotated by the knob 3 relative to the driving seat 4. After the compression accumulating force, the lateral resetting power of the driving seat 4 is provided (as shown in the eighth figure and the eleventh figure in the figure), and at least one first pivoting arm 44 is provided on the side of the driving base 4 (here, two The first pivoting arm 44 is an example; the triggering piece 5 is pivotally coupled to the driving base 4, and the triggering piece 5 is provided with a first pivoting arm 44 opposite to the first pivoting arm 44 and pivoted by a pivot 51. The two pivots 52 are disposed, and the two ends of the pivoting shaft 51 are pivotally disposed on the two sides of the receiving groove 21, and the other end of the trigger piece 5 extends to the slit 22 and is arranged side by side with a long step portion 501. And a low-step portion 502, the end of the trigger piece 5 is pressed against the pneumatic valve stem 11; the depth adjustment group 6, which is disposed on the trigger 2 and located on the side of the section 22, and the depth adjustment group 6 The bottom portion 621 is disposed to abut against the long end portion 501 or the low step portion 502 of the trigger piece 5; the depth adjustment group 6 further includes an adjusting seat 61, an adjusting piece 62, a spring 63, an adjusting button 64, and a The actuating lever 65 and a depth adjusting link 66 are disposed on the pneumatic tool body 1 together with the trigger 2, and one end of the adjusting base 61 is provided with at least one of the pneumatic tool body 1 together with the trigger 2 The arm 611 is exemplified by two sets of arms, and the adjusting seat 61 is pivoted with the at least one set of arms 611 at one end of the trigger 2 having a slit 22, and the adjusting seat 61 and the trigger 2 are formed. The angle is set for the trigger 2 to be pivoted relative to the adjusting seat 61. The adjusting seat 61 is provided with a pivoting portion 612 (shown in FIG. 5) at the other end of the at least one set of the connecting arms 611. The adjusting seat 61 is provided with a through hole. An adjusting hole 61 and an opening 613 of the pivoting portion 612, the pivoting portion 612 is provided with a lateral sliding groove 614 communicating with the opening 613; the adjusting piece 6 2 is disposed in the opening 613, and the adjusting piece 62 is an L-shaped member. The adjusting piece 62 has an end 621 at one end and a blocking portion 622 at the other end. The adjusting piece 62 is disposed at the top 621. The opening 613 is slidably disposed in the lateral sliding slot 614, and the abutting portion 621 of the adjusting piece 62 can be disposed through the opening 613 in the direction of the hole end of the assembling arm 611, and the spring 63 is assembled. In the lateral sliding slot 614, the two ends of the spring 63 are respectively elastically pushed against the slot of the lateral sliding slot 614 and the blocking portion 622; the adjusting piece 62 is disposed at the connecting end portion 621 and the inner surface of the turning portion 622. There is a reinforcing rib 623 (shown in FIG. 10); the adjusting button 64 is pivoted to the pivoting portion 612 of the adjusting seat 61, and the actuating lever 65 is disposed on the adjusting button 64 to be able to move the adjusting piece 62 forward and backward. The top 621 of the adjusting piece 62 protrudes from the outer opening 613 to the top of the triggering piece 5; the central position of the adjusting button 64 is provided with a polygonal through hole 641 extending through the adjusting button 64, and the actuating rod 65 is provided at one end. The driving section 651 of the polygonal through hole 641 is disposed, and a threaded section 652 is disposed at one end of the pushing section 651. The threaded section 652 of the operating rod 65 is pneumatically operated. The depth adjustment link 66 of the body 1 is screwed, and a buckle 653 is fastened at the proximal end of the thread segment 652, so that the actuation rod 65 is rotated by the adjustment knob 64, and the depth adjustment link 66 is restrained by the buckle 653. The displacement is excessive and the thread segment 652 is removed.

With regard to the adjustment of the nailing depth of the present invention, the user rotates the adjusting button 64 while the adjusting button 64 is axially displaced by the actuating lever 65, and the threaded section 652 of the actuating lever 65 drives the depth adjusting link 66 to be displaced. The distance between the end of the depth adjustment link 66 and the end of the muzzle can be controlled. Since the end of the depth adjustment link 66 is against the nail target surface, the closer the end of the depth adjustment link 66 is to the muzzle, the muzzle is away. The closer the nail target is, the deeper the nail depth is, and the farther the end of the depth adjustment link 66 is from the muzzle and the farther the gun mouth is from the nail target, the shallower the nail depth is. In addition, when the adjusting button 64 is rotated, the adjusting button 64 is provided with the actuating lever 65, so that the pushing portion 651 of the actuating lever 65 can push the adjusting piece 62 to be displaced, or the compressed spring 63 can be pushed against the adjusting piece 62 to be reset. And the adjusting piece 62 is pushed by the actuating lever 65, so that the abutting top 621 protrudes out of the opening end of the opening 613 of the assembling arm 611, and the abutting top 621 of the adjusting piece 62 is pushed against the triggering piece 5 End.

Regarding the operation mode of the present invention, please refer to the eighth to eleventh drawings of the drawing, the knob 3 is switched to the click nail mode, and the user presses the trigger 2 because the abutting top 621 abuts against the low step portion 502. When rotating, the trigger piece 5 is pressed against the pneumatic valve stem 11 only once, and the outer edge space of the low-step portion 502 is tripped to the limit of the top portion 621, and the pneumatic valve stem 11 is self-reset after being pressed, so that is The invention clicks the nail operation mode; the user wants to switch the click nail to the continuous nailing mode, and the user dials the dial 33 as shown in the figure of the eighth, twelfth to fifteenth drawings. In order to rotate the knob 3 radially, and the knob 3 pushes against the driving seat 4 along the guiding inclined surface 42 with the abutting portion 32, the driving seat 4 is axially displaced along the threading portion 31 and compresses the spring 12, and the trigger piece is simultaneously 5 With the displacement of the movable seat 4, the abutting top 621 abuts against the long step portion 501, so when the user buckles the trigger 2, the rotating trigger 2 will simultaneously drive the trigger piece 5 to rotate and press against the pneumatic valve stem 11 for the nailing mechanism. The nailing action, if the user continues to press the trigger 2, it will continue to be affected by the trigger piece 5 The top portion 621 is pressed against the limit so that the trigger piece 5 is continuously pressed against the pneumatic valve stem 11, and the nailing mechanism is continuously subjected to the nailing action, that is, the present invention switches to the continuous nailing mode; when the knob 3 is rotated in the radial direction The positioning recess 331 of the dial block 33 is disengaged from one of the positioning protrusions 23 of the trigger 2 to the other positioning protrusion 23, and is provided to be switched to the click-to-send mode or the continuous firing mode to be in a locked state; thus, the present invention and the prior art In contrast, the number of components can be effectively reduced, and the relevant components and structural design can be performed on the trigger 2 without separately installing a click or continuous firing structure on the nail gun body, so that the space is not occupied, and the dial block 33 passes through it. The positioning recess 331 cooperates with the positioning protrusion 23 of the trigger 2, which can provide switching lock to the click-and-send mode or the continuous firing mode, and has a reliable and stable firing and lifting operation efficiency, and further integrates the nail depth adjustment group 6 In order to allow the user to adjust the nailing depth according to the construction materials and environmental constraints, and meet the construction conditions at that time, thereby achieving the purpose and efficacy of the present invention.

The above description is only intended to explain the preferred embodiments of the present invention, and is not intended to limit the invention in any way. The changer should still be included in the scope of the intention of the present invention.

In summary, the "trigger assembly with switching function" of the present invention is practically and cost-effectively and fully meets the needs of industrial development, and the disclosed structural invention has an unprecedented innovative structure, so that it has "Newty" should be taken care of, and the invention can be more effective than the conventional structure. Therefore, it is also "progressive". It fully complies with the requirements of the application requirements for invention patents in China's Patent Law. And please ask the bureau to review it early and give it affirmation.

1. . . Pneumatic tool body

11. . . Pneumatic valve stem

12. . . spring

2. . . trigger

twenty one. . . Locating slot

twenty two. . . Cutout

twenty three. . . Positioning convex

3. . . Knob

31. . . Wear shaft

32. . . Relying

33. . . Dial block

34. . . Fixing kit

4. . . Drive seat

41. . . perforation

42. . . Guided slope

43. . . spring

44. . . First pivot

5. . . Trigger piece

501. . . Long-order part

502. . . Low-order part

51. . . Pivot

52. . . Second pivot

6. . . Depth adjustment group

61. . . Adjustment seat

611. . . Group arm

612. . . Pivot neck

613. . . Opening

614. . . Chute

62. . . Adjustment piece

621. . . To the top

622. . . Stop

623. . . Reinforcing rib

63. . . spring

64. . . Control button

641. . . Through hole

65. . . Actuator

651. . . Push segment

652. . . Thread segment

653. . . Buckle

66. . . Depth adjustment link

The first figure is a perspective view of the exploded state of the present invention.

The second figure is a perspective view of another angle of the knob of the present invention.

The third figure is a perspective view of another angle of the driving seat of the present invention.

The fourth figure is a perspective view of another angle of the trigger of the present invention.

The fifth figure is a perspective view of another angle of the adjustment seat of the present invention.

The sixth figure is a perspective view showing the combined state of the trigger and the depth adjustment group of the present invention.

The seventh figure is a schematic perspective view of the invention assembled on the body of the pneumatic tool.

The eighth figure is a schematic diagram of the click mode of the present invention.

The ninth drawing is a partial cross-sectional view of the body of the pneumatic tool assembled in the present invention.

The tenth figure is a schematic diagram of the front click operation mode of the present invention.

The eleventh figure is a schematic diagram of the operation of the click mode trigger and the trigger piece of the present invention.

The twelfth figure is a schematic diagram of the continuous firing mode of the transfer knob of the present invention.

The thirteenth figure is a partial cross-sectional view of the present invention combined with the pneumatic tool body in a continuous firing mode.

Fig. 14 is a schematic view showing the operation of the continuous firing mode of the present invention.

The fifteenth figure is a schematic diagram of the triggering of the continuous firing mode trigger and the trigger piece of the present invention.

2. . . trigger

twenty one. . . Locating slot

twenty two. . . Cutout

twenty three. . . Positioning convex

3. . . Knob

31. . . Wear shaft

32. . . Relying

33. . . Dial block

34. . . Fixing kit

4. . . Drive seat

41. . . perforation

42. . . Guided slope

43. . . spring

44. . . First pivot

5. . . Trigger piece

501. . . Long-order part

502. . . Low-order part

51. . . Pivot

52. . . Second pivot

6. . . Depth adjustment group

61. . . Adjustment seat

611. . . Group arm

612. . . Pivot neck

613. . . Opening

62. . . Adjustment piece

621. . . To the top

622. . . Stop

63. . . spring

64. . . Control button

641. . . Through hole

65. . . Actuator

651. . . Push segment

652. . . Thread segment

653. . . Buckle

Claims (8)

A trigger assembly with a switching function includes a trigger, a knob, a movable seat, a trigger piece and a depth adjustment group, wherein: the trigger has a receiving groove, and the opening direction of the receiving groove is corresponding to the pneumatic a valve stem, and a slit is formed at a bottom end of the accommodating groove; the knob is pivotally disposed at the other end of the accommodating groove, and the knob is provided with a shaft portion, and the through shaft portion is radially arranged An arcuate abutting portion; the driving seat is provided with a through hole, the knob is disposed in the through hole of the driving seat through the shaft portion, and the through hole is provided with a revolving guiding inclined surface along the hole wall thereof, and the knob is supported by The abutting portion slides against the guiding inclined surface; one end of the trigger piece is pivotally coupled with the driving seat, and the other end of the trigger piece extends to the cutting opening and is arranged side by side with a long step portion and a low step portion, between the two ends of the trigger piece Pressing the pneumatic valve stem; and the depth adjustment group is disposed on one side of the trigger section, and the depth adjustment group is provided with a top against the long step or the lower step; thus, rotating the knob Pushing against the driving seat along the guiding slope by the abutting portion, The movable seat is axially displaced along the shaft portion, and the trigger piece is displaced along with the movable seat. When the top portion abuts against the long step portion and presses the trigger to rotate, the long step portion is continuously pressed by the abutting top portion, so that the trigger piece continues. Pressing the pneumatic valve stem is a continuous nailing, and when the top against the lower step and pressing the trigger to rotate, the trigger piece is pressed against the pneumatic valve stem only once, and the outer edge space of the lower step portion is tripped. To the top limit, the pneumatic stem is pressed and then reset to the click mode. The trigger assembly of claim 1, wherein the driving seat is provided with at least one first pivoting arm, and the triggering piece is provided with a second pivot pivotally connected to the at least one first pivoting arm. ear. The trigger assembly according to claim 1, wherein the two ends of the knob protrude from the receiving groove, one end of which is provided with a radially extending dial, and the other end of the knob is pivoted to the trigger The fixing kit is configured to pivot the knob in the receiving groove. The trigger assembly with a switching function according to claim 3, wherein a bottom surface of the dial block is provided with a positioning concave, and a surface of the trigger surface is provided with two positioning protrusions corresponding to the positioning block of the dial block, and the rotary dial block is switched to a single When hitting or combing, the positioning concave is engaged with the positioning convex. A trigger assembly having a switching function according to any one of the items 1 to 3, wherein the depth adjustment group includes an adjustment seat, an adjustment piece, an adjustment knob, and an actuating lever. The adjusting seat is disposed at one end of the trigger at the end of the trigger, and the adjusting seat is disposed at an angle with the trigger, and the adjusting seat is disposed at one end of the adjusting seat with at least one set of arms. The trigger is pivoted relative to the adjusting seat, the adjusting seat is provided with a pivoting neck at the other end of the at least one set of arms, the adjusting seat is provided with an opening penetrating the adjusting seat and the pivoting neck; the adjusting piece is slidably disposed on the In the opening, the one end of the adjusting piece is abutting against the top, the adjusting button sleeve is pivoted to the pivoting neck, and the actuating rod is set on the adjusting button to move the adjusting piece forward and backward, so that the top of the adjusting piece protrudes from the opening. The outer part of the hole is offset from the long or low step of the trigger piece. The trigger assembly of claim 5, wherein the pivoting portion is provided with a lateral sliding slot communicating with the opening, and the adjusting piece is an L-shaped member, the adjusting piece is at the top The opposite end is provided with a corresponding blocking groove. A trigger assembly having a switching function according to claim 6 is further provided with a spring disposed between the lateral sliding groove wall and the blocking portion. a trigger assembly having a switching function as described in claim 6 wherein the adjustment piece A reinforcing rib is provided at the top of the abutting portion and the inner surface of the turning portion.