TWI603819B - A Magazine Assembly And A Stapler Including The Same - Google Patents

Description

Nail assembly and nail gun including the same

The present invention relates to a nail assembly and a nail gun including the same.

Nail guns are tools that must be used in the wood industry or the decorating industry to squirt different workpieces (such as wood blocks) by nailing nails. It can be understood that there are still many projects in the whole construction process, such as cutting and handling operations, so the entire construction operation is very easy to consume the physical strength of the constructor. Therefore, most of the nail gun manufacturers are working hard to study the labor saving mechanism of the nail gun, so that the constructor can shoot the nail through a small force, thereby reducing the physical consumption and speeding up the assembly.

However, the industry has neglected that other component structures will also affect the stability of the needle, which in turn affects the quality of the assembled product, such as the matching structure of the nail rail and the staple of the nail assembly or the design of the actuation mechanism. There are flaws in the nail gun that need to be improved.

Therefore, it is necessary to provide a novel and progressive nail assembly and a nail gun including the same, to solve the above problems.

The main object of the present invention is to provide a nail assembly and a nail gun comprising the same, which are designed to have the same level of the top of the first and second nail rails, and can be smoothly applied to different nails (T-shaped nails) Needles, staples, dowels or roof pins, and the cover can have a flatter structure.

In order to achieve the above object, the present invention provides a nail assembly for a nail gun, the nail assembly comprising a body, a nail rail assembly and a cover member. The base body is provided with a first end portion and a second end portion, and the second end portion is defined as a first direction toward the first end portion; the nail rail assembly is disposed on the base body and provides a staple The unit abuts in the first direction, and includes a first nail rail and a second nail rail arranged in a spaced relationship, the nail unit includes a T-shaped nail, a U-shaped nail, and a nail And a roof-shaped staple needle; wherein a distance from a top of the first nail rail to the seat body is equal to a distance from a top of the second nail rail to the seat body; wherein the staple pin is defined to have two a straight line segment and a curved arc segment, viewed along the first direction, a center line bisects the U-shaped pin, the second nail rail is provided with two guiding portions, and the two guiding portions are respectively located at the center line The second end is configured to abut the inner wall of the curved portion, and each of the guiding portions is provided with a first end point, a second end point and a continuous segment, wherein the first end point is adjacent to the center than the second end point The wire is further away from the seat body, the continuous segment is connected to the first and second end points; the cover member covers the seat body, and one of the top plate and the two side plates are connected to each other, and the nail track group is The piece is disposed between the top plate and the seat body, and the top plate is provided with a ridge portion and two limiting segments disposed on two sides of the ridge portion, the ridge portion being slanted away from the nail rail assembly.

In order to achieve the above object, the present invention provides a nail gun comprising the above-described nail assembly, and further comprising: a body assembly. The body assembly includes a pressing member, a casing and a striker plate. The casing is provided with a nail region for receiving the nail assembly, and the nail assembly and the casing define a nail opening for the nail opening Corresponding to the portion of the nail unit, the pressing member is in an interlocking relationship with the collision plate. When the pressing member is moved by the external operation to move relative to the housing, the collision plate is driven to move toward the opening of the nail opening. Further, a part of the staple unit is fired.

1‧‧‧ body

11‧‧‧ First end

12‧‧‧ second end

2‧‧‧nail rail assembly

21, 21A‧‧‧ first nail rail

211‧‧‧First side wall

212‧‧‧Ditch Department

221‧‧‧ second side wall

222‧‧‧ ribs

223‧‧‧ upper

224‧‧‧ sloped surface

225‧‧‧ lower

22‧‧‧Second nail rail

23, 23A, 23B‧‧ Guidance

231‧‧‧ first endpoint

232‧‧‧second endpoint

4‧‧‧ Pushing mechanism

41‧‧‧ pushing nails

42‧‧‧Slide

43‧‧‧ Fixed Torsion Spring

431‧‧‧Free end

44‧‧‧ shaft parts

51‧‧‧ plane

52‧‧‧ center line

53‧‧‧ baseline

54‧‧‧First direction

55‧‧‧second direction

61‧‧‧T-nail

62‧‧‧U-shaped nail

621‧‧‧ straight segments

622‧‧‧ curved section

63‧‧‧Big pin

233, 233A, 233B‧‧ ‧ consecutive segments

24‧‧‧Connecting Department

25‧‧‧ Standing Department

3‧‧‧Cleaning pieces

31‧‧‧ top board

311‧‧‧Uplift

312‧‧‧Limited paragraph

32‧‧‧ side panels

64‧‧‧Small pin

65‧‧‧ Roof pin

7‧‧‧ body components

71‧‧‧Pressing parts

72‧‧‧Shell

721‧‧‧nail area

722‧‧‧nail opening

73‧‧‧Bumper

1 is a perspective view of an embodiment of the present invention.

Figure 2 is an exploded view of Figure 1.

Figure 3 is a perspective view of the magazine assembly of the present invention.

Figure 4 is an exploded view of Figure 3.

5 and 6 are partial perspective views of an embodiment of the present invention.

Figure 7 is a cross-sectional view of the magazine assembly.

8 to 11 are cross-sectional views showing the mounting of different staples of the nail assembly.

Figure 12 is a cross-sectional view showing another embodiment of the present invention.

The following is a description of the possible embodiments of the present invention, and is not intended to limit the scope of the invention as claimed.

Referring to Figures 1 through 11, there is shown a preferred embodiment of a magazine assembly of the present invention and a nail gun including the nail assembly.

The nail gun includes a body assembly 7 in addition to the nail assembly. The body assembly 7 includes a pressing member 71, a housing 72 and a striker 73. The housing 72 is provided with a magazine region 721 for receiving the magazine assembly. The magazine assembly and the housing 72 define a a nail opening 722 for a portion corresponding to a nail unit, the pressing member 71 being in a linked relationship with the collision plate 73, which is driven when the pressing member 71 is operated by the outside to move relative to the housing 72 The striker 73 moves toward the opening direction of the nail opening 722, and the portion of the nail unit is fired. In the embodiment, the manual nail gun is taken as an example, and the pressing member 71 and the collision plate 73 are coupled through the elastic plate and the link mechanism, and the collision plate 73 is actuated by the elastic force generated by the bending deformation of the elastic plate. Fire the nail. However, it is not limited to this type, and may be a pneumatic nail gun or an electric nail gun in other embodiments.

Next, for the nail assembly, the nail assembly is provided in the nail gun. The nail assembly includes a body 1, a nail rail assembly 2 and a cover member 3.

The base body 1 is provided with a first end portion 11 and a second end portion 12, and the direction of the second end portion 12 to the first end portion 11 is defined as a first direction 54. The nail rail assembly 2 is disposed on the base body 1 and is movable against the nail unit in the first direction 54. The nail rail assembly 2 includes a first nail rail 21 and a second nail rail disposed in a spaced relationship. 22. The staple unit includes a T-shaped staple 61, a U-shaped needle 62, a dove-shaped staple, and a roof-shaped staple 65. It can be understood that in the embodiment, the nail rail assembly 2 is assembled to the base body 1. In other embodiments, the two may be integrally formed.

In more detail, the first nail rail 21 can be separately abutted against the T-shaped nail pin 61 of the nail unit, and the second nail rail 22 can be separately supplied to the staple needle 62 of the staple unit. The first and second nail rails 21, 22 simultaneously abut the dowel-shaped nail or the roof-shaped nail pin 65 of the nail unit. Preferably, the distance from the top of the first nail rail 21 to the seat body 1 is equal to the distance from the top of the second nail rail 22 to the seat body 1. Thus, the first and second nail rails are 21, 22 can have a common support plane to smoothly support the dowel pin and the roof pin 65.

In more detail, the U-shaped pin 62 is defined with two straight segments 621 and a curved segment 622. A center line 52 divides the staple pin 62 along the first direction 54. The second The nail rail 22 is provided with two guiding portions 23, which are respectively located on two sides of the center line 52 for abutting against the inner wall of the curved portion 622, and each guiding portion 23 is provided with a first portion. An end point 231, a second end point 232, and a continuous section 233. The first end point 231 is adjacent to the center line 52 and further away from the base body 232. The continuous end point 233 is connected to the first and The second endpoint 231, 232.

Specifically, in the embodiment, the first and second end points 231, 232 are provided to abut against the inner wall of the curved section 622, and the continuous section 233 does not touch the curved section 622. The walls are designed to reduce the contact area with each other and thereby reduce the frictional resistance. In other words, the second nail rail 22 is in point contact with the staple needle 62, so that the staple needle 62 can smoothly slide. Moreover, the height position of the U-shaped pin 62 (the distance from the highest point of the U-shaped pin 62 to the seat body 1) can be controlled more precisely by means of point contact, thereby controlling the U-shaped pin 62. The height position is equivalent to the T-shaped pin 61 being disposed behind the first nail rail 21 The highest height position is achieved by having the nail unit assembled to the nail rail assembly 2 with a uniform maximum height reference for combination with other structures, such as the cover member 3.

The cover member 3 covers the seat body 1, wherein the cover member 3 can be positioned within the housing 72 to positively cover the seat body. The cover member 3 is provided with a top plate 31 and two side plates 32 connected to each other. The nail rail assembly 2 is interposed between the top plate 31 and the base body 1. The top plate 31 is provided with a ridge portion 311 and two ridge portions. The limiting section 312 on the second side of the 311 has a uniform highest height reference since the T-shaped nail pin 61 and the staple pin 62 are mounted on the nail rail assembly 2, so the second limiting section 312 can be designed. It is located in a plane 51 which is similar to the one, so that the cover member 3 does not have a large difference in height and low order in the direction of the center line 52, and the manufacturing complexity can be reduced. Wherein, the raised portion 311 is slanted away from the nail rail assembly 2, and the raised portion 311 is available for the portion of the roof-shaped nail 65 to protrude (see FIG. 11), and the roof-shaped nail 65 is The top of the first nail rail 21 is symmetrically supported by the first end point 231.

Then, the second nail rail 22 is further described. Preferably, the second nail rail 22 is further provided with a connecting portion 24 connecting the two guiding portions 23, and the connecting portion 24 can lift the two guiding portions. The structural strength and stability of the portion 23 allows it to have a better service life. More preferably, the connecting portion 24 is between the connecting line between the first end points 231 and the seat body 1 to ensure that the height position of the staple pin 62 is not affected, that is, The connecting portion 24 does not touch the curved portion 622.

In the embodiment, the connecting portion 24 is connected to the two guiding portions 23 along the connecting line between the two first end points 231, such that when the nail assembly is equipped with the dowel-shaped nail, the connection The portion 24 can provide more contact area to improve stability. Wherein, the dowel pin can be further divided into a large dowel pin 63 and a small dowel pin 64. When the dowel assembly is provided with the large dowel pin 63, the large dowel pin 63 The two limit segments 312 and the two side plates 32 are restrained and laterally supported, and have excellent stability. When the nail assembly is provided with the small nail pin 64, the small nail pin 64 sandwiches the first nail rail 21 and the second nail rail 22 to resist shaking.

The two guiding portions 23 are symmetrical and oblique to the center line 52. The connecting portion 24 and the two guiding portions 23 are generally "[" shaped. The continuous segment 233 is an oblique plane. Of course, it is not limited to the above.

For example, in another embodiment shown in FIG. 12, a continuous segment 233A of the guiding portion 23A is inclined and closer to the first nail rail 21A, and the other guiding portion is viewed along the first direction 54. The continuous section 233B of 23B is stepped and is further away from the first staple rail 21A. Wherein, the continuous segment 233B in a stepped manner can be abutted against the head of the T-shaped pin 81. In other words, the T-shaped pin 81 can be abutted at two positions (the first staple rail 21A and the continuous segment) 233B). In addition, in other embodiments, the continuous segments may also be various geometric shapes such as arcuate, arcuate, wavy, or zigzag.

Referring to the embodiment of FIG. 1 to FIG. 11 , the connection between the two straight segments 621 of the U-shaped pin 62 and the curved portion 622 can construct a reference line 53 , and the two guiding portions 23 and the connecting portion 24 are located between the reference line 53 and the curved portion 622, and the length of the connecting portion 24 is equivalent to the length of each of the guiding portions 23.

More specifically, the second nail rail 22 is further provided with two spaced apart standing portions 25, and each of the standing portions 25 is connected to the guiding portion 23 and the seat body 1, respectively, the standing portion 25 and the guiding portion 23 The junction is rounded and defined as the second end point 232. The guiding portion 23 is rounded at the junction with the connecting portion 24 and is defined as the first end point 231. Wherein, the first and second end points 231, 232 are rounded to have a proper fit with the curved portion 622, so that the U-shaped pin 62 is relatively easy to slide, and the guiding portion 23 and the curved portion 622 is less likely to be damaged by friction.

The first nail rail 21 is recessed on a first side wall 211 facing away from the second nail rail 22 with at least one groove portion 212 extending along the first direction 54. Each of the groove portions 212 is provided for the T-shaped nail pin 61. The head can be snap-fitted in the first direction 54 and can be applied to the T-nails 61 of different lengths (this technique can also be applied to another embodiment of FIG. 12). Moreover, the first nail rail 21 is further provided with a second side wall 221 facing the second nail rail 22, and the second side wall 221 is provided with at least one rib 222 extending along the first direction 54, the at least one The ribs 222 respectively correspond to at least one groove 212 to strengthen the strength of the first nail rail 21, and the at least one rib 222 protrudes toward the second nail rail 22 for the side of the staple needle 62. Abutting against the phase enhances the stability of the staple pin 62.

In addition, the first nail rail 21 is further provided with an upper portion 223 and a lower portion 225 connecting the first and second side walls 211, 221, and the lower portion 225 is coupled to the base body 1, preferably, the upper portion 223 is provided with a The inclined surface 224 is inclined by the second side wall 221 toward the first side wall 211 and the seat body 1. The inclined surface 224 can selectively offset the head of the T-shaped pin unit 61. By virtue of this, it is possible to provide a continuous height difference to match the T-shaped staple pin 61 with a small difference in length, so that the needle portion of the T-shaped staple pin 61 can surely abut against the seat body 1.

In addition, the nail assembly further includes a pushing mechanism 4, and the pushing mechanism 4 is provided with a pushing member 41, at least one slide 42 and a normally-retracted fixed torsion spring 43. In more detail, the pusher member 41 is disposed in the first direction 54 and is disposed on the base body 1 and is in an ascending relationship with the staple unit. The at least one slide 42 is provided along the same. The first direction 54 is extended to the base body 1 or the nail rail assembly 2, and the fixed torque spring 43 is rotatably disposed on the nail pushing member 41; wherein the free end 431 of the fixed torque spring 43 is positioned At the first end portion 11, the pusher member 41 is driven to have a tendency to move normally toward the first end portion 11. The fixed torsion spring 43 can generate a fixed torque to drive the nail pushing member 41, so that the nail pushing member 41 can continuously push against the nail unit more smoothly, ensuring that the nail unit does not shake and maintain a stable to be fired state. Therefore, there is a better needle quality and a more accurate needle drop point.

In more detail, the pusher member 41 is disposed on the nail rail assembly 2, and the number of the at least one slideway 42 is three, and the slide rails 42 are respectively disposed on the first and second staple rails 21, 22. The fixed torsion spring 43 is accommodated inside the second nail rail 22, and the fixed torque spring 43 is less likely to be separated by the impulse when an unexpected impact occurs. In the embodiment, the torsion spring 43 and the slide 42 are inserted through a shaft member 44 and the second to the second direction 55. The torsion spring 43 is pivoted by the shaft member 44. The shaft member 44 is slidably moved to the runners 42; wherein the second direction 55 is perpendicular to the first direction 54.

In summary, the nail assembly of the present invention and the nail gun including the nail assembly have the first and second nail rails of the same level, and thus can be applied to different types of nails (T, U and nails). Needle) is very easy to use. Moreover, with the design of the guiding portion, the height of the U-shaped pin disposed on the second nail rail can be controlled to be the same as the highest height after the T-shaped nail is disposed on the first nail rail, so that the cover member has a flat top plate. To cover the nail rail assembly. In addition, the cover member is further provided with a ridge portion for a roof pin.

1‧‧‧ body

3‧‧‧Cleaning pieces

7‧‧‧ body components

72‧‧‧Shell

721‧‧‧nail area

722‧‧‧nail opening

73‧‧‧Bumper

Claims (10)

A nail assembly for a nail gun, the nail assembly comprising: a body having a first end and a second end defining a direction of the second end toward the first end a first direction; a nail rail assembly is disposed on the base body and a nail unit moves against the first direction, and includes a first nail rail and a second nail rail disposed in a spaced relationship. The staple unit includes a T-shaped staple, a U-shaped staple, a dove-shaped staple, and a roof-shaped staple; wherein the distance from the top of the first staple to the seat and the second staple The distance from the top to the seat is substantially equal; wherein the U-shaped pin is defined to have two straight segments and a curved segment, and a center line bisects the staple pin along the first direction, the first The two nail rails are provided with two guiding portions, which are respectively located on two sides of the center line for abutting against the inner wall of the curved arc segment, and each guiding portion is provided with a first end point and a first end portion. a second end point and a continuous segment, the first end point being adjacent to the center line and farther away from the base line, the continuous line connecting the first and second end points; Covering the seat body, and providing one of a top plate and two side plates connected to each other, the nail rail assembly is interposed between the top plate and the seat body, the top plate is provided with a ridge portion and two are disposed on two sides of the ridge portion a limit segment that bulges away from the nail rail assembly. The nail cartridge assembly of claim 1, further comprising a pusher mechanism, wherein the pusher mechanism is provided with a pusher member, at least one slideway, and a normally-retracted fixed torque spring, the pusher member is provided The first direction is movably disposed on the base body and is in an ascending relationship with the nail unit, and the at least one slide rail is disposed to extend in the first direction to the base body or the nail rail assembly. The fixed torsion spring is rotatably disposed on the pusher member; wherein a free end of the fixed torsion spring is positioned at the first end portion, thereby driving the pusher member to move normally toward the first end portion The trend. The nail cartridge assembly of claim 2, wherein the pusher member is disposed on the nail rail assembly, the number of the at least one slide track is three, and the slide rails are respectively disposed on the first and second nail rails. The fixed torsion spring is disposed inside the second nail rail, a shaft member is coupled to the nail pushing member and the fixed torque spring and the sliding passage are bored in a second direction, and the fixed torque spring is the shaft member The shaft is rolled and the shaft member is slid to the runners, wherein the second direction is perpendicular to the first direction. The nail cartridge assembly of claim 1, wherein the first and second end points are provided against an inner wall of the curved section, and the continuous section does not touch an inner wall of the curved section. The nail cartridge assembly of claim 1, wherein the first nail rail is recessed on a first side wall facing away from the second nail rail with at least one groove extending along the first direction, and the groove portion is provided for the first nail rail The head of the T-shaped pin can be snap-fitted in the first direction. The nail cartridge assembly of claim 5, wherein the first nail rail is further provided with a second side wall facing the second nail rail, and the second side wall is provided with at least one rib extending along the first direction, The at least one rib respectively corresponds to at least one groove, and the at least one rib protrudes toward the second nail rail for laterally abutting the staple needle. The nail cartridge assembly of claim 6, wherein the first nail rail is further provided with an upper portion and a lower portion connecting the first and second side walls, the lower portion is coupled to the seat body, and the upper portion is provided with a slope. The inclined surface is inclined by the second side wall toward the first side wall and the seat body, and the inclined surface is for the head of the T-shaped nail unit to selectively abut. The nail cartridge assembly of claim 7, further comprising a pusher mechanism, wherein the pusher mechanism is provided with a pusher member, at least one slideway, and a normally-retracted fixed-torque spring, the pusher member is provided The first direction is movably disposed on the base body and is in an ascending relationship with the nail unit, and the at least one slide rail is disposed to extend in the first direction to the base body or the nail rail assembly. The fixed torsion spring is rotatably disposed on the pusher member; wherein a free end of the fixed torsion spring is positioned at the first end portion, thereby driving the pusher member to move normally toward the first end portion Trend; the first nail rail can be separately supplied to the nail The T-shaped nail of the needle unit is abutted, and the second nail rail can be separately abutted against the U-shaped nail of the nail unit, and the first and second nail rails simultaneously supply the nail of the nail unit Or the roof pin is abutted; the two limiting segments are located in a plane; the pushing member is disposed on the nail rail assembly, the number of the at least one sliding track is three, and the sliding rails are respectively disposed on the rail The first and second nail rails are disposed inside the second nail rail, and a shaft member is coupled to the pusher member and the fixed torque spring and the slide rails are disposed along a second direction. The fixed torsion spring is rolled by the shaft member, and the shaft member slides on the slide rails, wherein the second direction is perpendicular to the first direction; the first and second end points are opposite to the first An inner wall of the curved section, and the continuous section does not touch the inner wall of the curved section; the second nail rail is further provided with a connecting portion connecting the two guiding portions, the connecting portion is between the two Between the connection between the first end point and the body; in the first direction, the two guiding portions are symmetric and oblique to the center line, and the continuous segment is an inclined plane, the U a line connecting the two straight segments of the staple to the curved portion can be constructed with a reference line, and the two guiding portions and the connecting portion are located between the reference line and the curved portion; the connecting portion Connecting the two guiding portions along the connecting line between the two first end points, the connecting portion and the two guiding portions are generally "[" shaped; the second magnetic rail is additionally provided with two spaced apart positions. a standing portion, each of the standing portions is respectively connected to the guiding portion and the seat body, and the connecting portion and the guiding portion are rounded and defined as the second end point, and the guiding portion is connected with the connecting portion The joint is rounded and defined as the first end point. The nail cartridge assembly of claim 1, wherein a continuous segment of the guiding portion is inclined and closer to the first nail rail, and the other continuous portion of the guiding portion is stepped. And farther away from the first nail rail. A nail gun, comprising the nail assembly of any one of claims 1 to 9, further comprising: a body assembly comprising a pressing member, a casing and a striker, the casing being provided with a housing a nailing area of the nail assembly, the nail assembly and the housing defining a nail opening, the nail opening is corresponding to a portion of the nail unit, and the pressing member is in a linked relationship with the collision plate, when the pressing member is provided External operation relative to the housing When moving, the collision plate is driven to move toward the opening of the nail opening, and a part of the nail unit is fired.