TW201738048A - Magazine assembly and a stapler including the same - Google Patents

Abstract

A magazine assembly and a stapler including the same are provided. The magazine assembly includes a base and a rail assembly. The rail assembly is disposed on the base and adapted for a staple unit to be movably installed thereon. The staple unit includes a T-shaped staple and a U-shaped staple. The rail assembly includes a first rail and a second rail which are disposed separately by a distance. The second rail has two guide portions. The two guide portions are adapted for supporting the U-shaped staple and located by two sides of a center line of the second rail. The U-shaped is equally divided by the center line. Each guide portion has a first end point, a second end point and a successive segment. The first end point is closer to the center line than the second end point and is further from the base than the second end. The successive segment is connected with the first end point and the second end point.

Description

Nail assembly and nail gun containing the same

The present invention relates to a nail assembly and a nail gun comprising 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 needle, U needle or ㄇ needle), and a variety of different staples are mounted on the nail assembly, with the same highest height reference, and a better assembly structure.

To achieve the above object, the present invention provides a nail assembly for use in a nail gun assembly including a body and a nail rail assembly. The base body is provided with a first end portion and a second end portion, and the direction of the second end portion to the first end portion is defined as a first direction. The nail rail assembly is disposed on the base body and abutting against a nail unit in the first direction, and includes a first nail rail and a second nail rail disposed in a spaced relationship, the nail unit comprising a T shape Nail pin and a U-shaped pin. Wherein, the distance from the top of the first nail rail to the seat body is substantially equal to the distance from the top of the second nail rail to the seat body. Wherein, the U-shaped nail is defined to have two straight segments and a curved arc. The first straight direction is viewed in a first direction, and the two straight segments are symmetrically arranged with a center line, and the center line divides the curved portion, 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. The second endpoint and the contiguous segment are adjacent to the centerline and further away from the base than the second endpoint, the contiguous segments connecting the first and second endpoints.

In order to achieve the above object, the present invention further provides a nail gun comprising the above-mentioned nail assembly, 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.

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 8, there is shown a preferred embodiment of the magazine assembly 1 of the present invention and a nail gun incorporating the same.

The nail gun includes a body assembly 71 in addition to the nail assembly 1 . The body assembly 71 includes a pressing member 72, a housing 73 and a striker 76. The housing 73 is provided with a magazine region 74 for receiving the magazine assembly 1. The magazine assembly 1 and the housing 73 define There is a nail opening 75 for a portion corresponding to a nail unit. The pressing member 72 is in a cooperative relationship with the collision plate 76. When the pressing member 72 is externally operated to move relative to the housing 73, The striker 76 is driven to move toward the opening of the nail opening 75, and the portion of the staple unit is fired.

Specifically, in the embodiment, a manual nail gun is used as an example, and the pressing member 72 and the collision plate 76 are coupled through the elastic plate and the link mechanism, and the elastic force generated by the bending deformation of the elastic plate is used. The striker 76 is actuated to fire the staples. However, it is not limited to this type, and in other embodiments, it may be a pneumatic nail gun or an electric nail gun.

Next, for the nail assembly 1 , the nail assembly 1 is provided in the nail gun. The nail assembly 1 includes a body 2 and a nail rail assembly 31 .

Further, the base body 2 is provided with a first end portion 21 and a second end portion 22, and the direction of the second end portion 22 to the first end portion 21 is defined as a first direction 91. The nail rail assembly 31 is disposed on the base body 2 and the nail unit is movably abutted in the first direction 91. The nail rail assembly 31 includes a first nail rail 41 and a second nail rail disposed in a spaced relationship. 51. The staple unit comprises a T-shaped pin 81 and a U-shaped pin 82. It can be understood that in the embodiment, the nail rail assembly 31 is assembled to the base body 2, and in other embodiments, the two may be integrally formed.

Further, the distance from the top of the first nail rail 41 to the seat body 2 is equal to the distance from the top of the second nail rail 51 to the seat body 2, so that the first and second nails are The rails 41, 51 have a common support surface to support the dowel pins. Then, the U-shaped pin 82 is further defined to be provided with two straight segments 83 and a curved arc segment 84. The two straight segments 83 are symmetrically arranged with a center line 92 along the first direction 91. 92 bisects the curved arc 84. The second nail rail 51 is provided with two guiding portions 52 for respectively located on two sides of the center line 92 for abutting against the inner wall of the curved portion 84; wherein each guiding portion 52 is provided with a first end point 521, a second end point 522 and a continuous section 523. The first end point 521 is adjacent to the center line 92 and farther away from the base body 2 than the second end point 522. 523 connects the first and second endpoints 521, 522.

In this embodiment, the first and second end points 521, 522 are provided to abut against the inner wall of the curved section 84, and the continuous section 523 does not touch the inner wall of the curved section 84 to Reduce the contact area with each other and reduce the frictional resistance. In a holistic view, the second nail rail 51 is in point contact relationship with the staple needle 82, so that the staple needle 82 can smoothly slide, and the point contact can be controlled more precisely. The height position of the staple pin 82 (the highest point of the staple pin 82 to the seat 2). For example, the height position of the staple pin 82 can be equal to the highest height position of the T-shaped pin 81 disposed behind the first staple rail 41, thereby allowing the staple unit to be mounted on the staple rail assembly. After 31, there is a unified maximum height benchmark.

In more detail, the magazine assembly 1 further includes a nail cover member 32 that covers the nail rail assembly 31. The nail cover member 32 is provided with a top plate 33 and two side plates 34. The nail rail assembly 31 is interposed therebetween. The top plate 33 and the base body 2 are viewed along the first direction 91. The top plate 33 is provided with a ridge portion 331 and two smooth segments 332 disposed on two sides of the ridge portion 331. Since the staple unit has the same highest height reference after being mounted on the nail rail assembly 31, the two smooth segments 332 can be designed to be located on the same one of the horizontal planes 94, so that the entire nail cover member 32 is at the center line. There will be no large-scale high-level gaps in the 92 direction. Wherein, the ridge portion 331 is swelled away from the nail rail assembly 31, so that the magazine assembly 1 can be applied to the roof pin.

Preferably, in the first direction 91, the two guiding portions 52 are symmetric and oblique to the center line 92, and the symmetrical design can provide a smooth supporting force to the curved portion 84, and can be stably Bind. The continuous section 523 is preferably an inclined plane. In addition to facilitating manufacturing, it is also easier to control the relative positions of the first and second end points 521, 522.

Of course, it is not limited to the above, and another embodiment shown in FIG. 9 is viewed along the first direction 91. A continuous segment 523A of the guiding portion 52A is inclined and closer to the first. The staple rail 41A, the other continuous section 523B of the guiding portion 52B is stepped and farther away from the first nail rail 41A, wherein the continuous section 523B of the stepped shape is adapted to the head of the T-shaped nail 81 In other words, the T-nail 81 can have two positions (the first nail rail 41A and the continuous segment 523B).

Moreover, in this embodiment, the first wall 511 of the second nail rail 51A is connected to the guiding portion 52A, and the second wall 512 of the second nail rail 51A is connected to the other guiding portion 52B. It can be understood that the side of the first nail rail 41A facing away from the second nail rail 51A can be laterally abutted against the dowel pin or the roof pin, and the first nail rail 41A faces the second nail rail. One side of the 51A and the first wall 511 are laterally abuttable against the staple pin 82, the second wall 512 is available for the T-shaped pin 81, the U-shaped pin 82, the dowel-shaped pin and the roof The pin is abutted laterally. In addition, in other embodiments, the continuous segments may also be various geometric shapes such as arcuate, arcuate, wavy or zigzag.

In another preferred embodiment, the second nail rail 51 is further provided with a connecting portion 53 connecting the two guiding portions 52. The connecting portion 53 can further improve the structural strength and stability of the two guiding portions 52, so that Have a better service life. The connecting portion 53 is interposed between the connecting line between the first end points 521 and the seat body 2 to ensure that the height position of the staple pin 82 is not affected, that is, the connection. The portion 53 does not touch the curved segment 84.

Of course, as the case may be, the second nail rail 51A of another embodiment as shown in FIG. 10 may be provided. The second nail rail 51A is only provided with two guiding portions 52C, and one of the two guiding portions 52C is one of the two guiding portions 52C. In case of damage, only the damaged part needs to be replaced, and it is not necessary to replace the second nail rail 51A.

Referring to the embodiment of FIG. 1 to FIG. 8 , the configuration relationship between the second nail rail 51 and the staple pin 82 is described in more detail. The U-shaped pin 82 is viewed along the first direction 91. The line connecting the two straight segments 83 and the curved portion 84 can construct a reference line 93. The two guiding portions 52 and the connecting portion 53 are located at the reference line 93 and the curved portion 84. (refer to Figure 8). The connecting portion 53 is connected to the two guiding portions 52 along the connecting line between the two first end points 521. The connecting portion 53 and the two guiding portions 52 are generally "[" shaped, wherein The length of the connecting portion 53 is equivalent to the length of each of the guiding portions 52. More specifically, the second nail rail 51 is further provided with two spaced apart bodies 54 , each of which is connected to the guiding portion 52 and the base body 2 , and the body 54 is connected with the guiding portion 52 . Rounded and defined as the second end point 522, the guiding portion 52 is rounded at the junction with the connecting portion 53 and is defined as the first end point 521. Wherein, the first and second end points 521, 522 are rounded to have a proper fit with the curved portion 84, so that the U-shaped pin 82 is relatively easy to slide, and the guiding portion 52 and the curved portion The arc segment 84 is less susceptible to damage due to friction.

In the present embodiment, the first nail rail 41 is recessed on a first side wall 42 facing away from the second nail rail 51 with at least one groove portion 43 extending along the first direction 91. The head of the T-shaped pin 81 can be slidably embedded in the first direction 91, and can be applied to the T-shaped pin 81 of different lengths. (This technique can also be applied to another embodiment of FIG. Second wall 512). Preferably, the first nail rail 41 is further provided with a second side wall 44 facing the second nail rail 51. The second side wall 44 is provided with at least one rib 45 extending along the first direction 91, the at least one The ribs 45 respectively correspond to at least one groove portion 43 to strengthen the strength of the first nail rail 41, and the at least one rib portion 45 protrudes toward the second nail rail 51 for the side of the staple pin 82. Abutting against the phase enhances the stability of the staple pin 82.

It can be understood that the first nail rail 41 is further provided with an upper portion 46 and a bottom portion 47 connecting the first and second side walls 42, 44. The bottom portion 47 is coupled to the base body 2, and is disposed at the upper portion 46. There is an inclined surface 461 which is inclined by the second side wall 44 toward the first side wall 42 and the base body 2. The inclined surface 461 can selectively offset the head of the T-shaped nail 81 By virtue of this, it is possible to provide a continuous height difference to match the T-shaped nail 81 having a small difference in length, so that the needle portion of the T-shaped nail 81 can surely abut against the base 2.

It is to be noted that the nail assembly 1 further includes a pushing mechanism 6 which is provided with a pushing member 61, two slides 62 and a normally retracting fixed torsion spring 63, the pushing member The cover rails 31 are disposed on the nail rails 31, and the two slide rails 62 are respectively disposed on the first and second nail rails 41, 51. The fixed torsion springs 63 are scrollably disposed on the nail pushing members 61, and One of the free ends 631 of the fixed torsion spring 63 is positioned at the first end portion 21, thereby driving the pusher member 61 to have a tendency to move normally toward the first end portion 21. The fixed torsion spring 63 can generate a fixed torque to drive the nail pushing member 61 so that the nail pushing member 61 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 the embodiment, the second nail rail 51 covers the fixed torque spring 63, and when the unintended impact occurs, the fixed torque spring 63 is less likely to be separated by the impulse.

In summary, the nail assembly of the present invention and the nail gun including the same, the nail assembly is provided with the first and second nail rails of the same level, and further cooperates with the design of the guiding portion, so that the U-shaped nail is disposed in the second The height behind the nail rail can be the same as the highest height after the T-shaped nail is disposed on the first nail rail, so the nail cover member can cover the nail rail assembly relatively flatly, and different types of staples can be applied (T , U, ㄇ and roof nails), very easy to use.

1‧‧‧nail assembly
2‧‧‧ body
21‧‧‧ first end
22‧‧‧ second end
31‧‧‧nail rail assembly
32‧‧‧nail cover
33‧‧‧ top board
331‧‧‧Uplift
332‧‧‧ Smooth section
34‧‧‧ side panels
41, 41A‧‧‧ first nail rail
42‧‧‧First side wall
43‧‧‧Ditch
44‧‧‧second side wall
45‧‧‧ ribs
46‧‧‧ upper
461‧‧‧ sloped surface
47‧‧‧ bottom
51, 51A‧‧‧Second nail rail
511‧‧‧ first wall
512‧‧‧ second wall
52, 52A, 52B‧‧ Guidance
521‧‧‧ first endpoint
522‧‧‧second endpoint
523, 523A, 523B‧‧‧ consecutive segments
53‧‧‧Connecting Department
54‧‧‧Ontology
6‧‧‧ Pushing mechanism
61‧‧‧ pushing nails
62‧‧‧Slide
63‧‧‧ Fixed Torsion Spring
631‧‧‧Free end
71‧‧‧ body components
72‧‧‧Pressing parts
73‧‧‧Shell
74‧‧‧Staple area
75‧‧‧nail opening
76‧‧‧Bumper
81‧‧‧T-nail
82‧‧‧U-shaped needle
83‧‧‧ straight segments
84‧‧‧ curved section
91‧‧‧First direction
92‧‧‧ center line
93‧‧‧ baseline
94‧‧‧ horizontal plane

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. Figure 4 is an exploded view of Figure 3. 5 and 6 are partial schematic enlarged views of the magazine assembly. 7 and 8 are cross-sectional views of the magazine assembly. Figure 9 is a cross-sectional view of a nail cartridge assembly in accordance with another embodiment of the present invention. Figure 10 is a cross-sectional view showing a nail cartridge assembly in accordance with still another embodiment of the present invention.

1‧‧‧nail assembly

32‧‧‧nail cover

71‧‧‧ body components

73‧‧‧Shell

74‧‧‧Staple area

75‧‧‧nail opening

76‧‧‧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 disposed on the base body and configured to abut the nail unit in the first direction, comprising a first nail rail and a second nail rail disposed in a spaced relationship The staple unit includes a T-shaped staple and a U-shaped staple; wherein the distance from the top of the first staple rail to the seat body is substantially the same as the distance from the top of the second nail rail to the seat body; Defining the U-shaped needle is provided with two straight segments and a curved arc. The two straight segments are symmetrically arranged with a center line, and the center line bisects the curved portion, the second nail The rail is provided with two guiding portions, which are respectively located on two sides of the center line for abutting the inner wall of the curved portion, and each guiding portion is provided with a first end point and a second end a point and a continuous segment, the first end point being adjacent to the center line and further away from the seat body, the continuous line connecting the first and second ends point. 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 slidably inserted in the first direction. The nail cartridge assembly of claim 2, 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 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 two guiding portions are symmetrical and oblique to the center line, the continuous portion being an oblique plane. The nail cartridge assembly of claim 5, wherein the second nail rail is further provided with a connecting portion connecting the two guiding portions, the connecting portion is connected between the first end point and the seat body. between. The nail cartridge assembly of claim 6, wherein the line connecting the two straight segments of the staple pin and the curved portion can be constructed along the first direction, and the second line can be constructed. The guiding portion and the connecting portion are located between the reference line and the curved portion. The nipple assembly of claim 7, wherein the connecting portion extends along the line connecting the first end points to the two guiding portions, the connecting portion and the two guiding portions are "[" a first type of the bead is recessed on a first side wall facing away from the second nail rail; and at least one groove extending along the first direction, wherein the groove portion is adjacent to the head of the T-shaped nail The first direction is slidably embedded with a staple position; 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, At least one rib corresponding to at least one groove, and the at least one rib protruding toward the second nail rail for laterally abutting the staple needle; the first and second end points are available Adjacent to the 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 two spaced apart bodies, each of the bodies being respectively connected to the guiding portion And the base body, the body and the guiding portion are rounded and defined as the second end point, and the connecting portion and the connecting portion are rounded and fixed a first end point; the first nail rail is further provided with an upper portion and a bottom portion connecting the first and second side walls, the bottom portion is coupled to the base body, and an inclined surface is disposed on the upper portion, the inclined surface The second side wall is inclined toward the first side wall and the seat body, the inclined surface is for the head of the T-shaped nail to selectively abut; the nail assembly further comprises a pushing mechanism, The pushing mechanism is provided with a pushing member, a two-slide and a normal-receiving fixed torsion spring, the pushing member is disposed on the nail rail assembly, and the two sliding passages are respectively disposed on the first and second nails a fixed torque spring is disposed on the pusher member, and a free end of the fixed torque spring is positioned at the first end portion, thereby driving the pusher member to have a normal orientation toward the first end portion a trend of moving; the second nail rail cover is provided with the fixed torque spring; the nail assembly further includes a nail cover member covering the nail rail assembly, the nail cover member is provided with a top plate and two side plates, the nail a rail assembly is interposed between the top plate and the base body, viewed along the first direction, the top plate is provided with a ridge And two segments disposed two smooth sides of the raised portion, the two smooth line segment located at the same level one, the raised portion of the line toward a direction away from the staple rail assembly of ridges. 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 housing and a striker, the housing 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 When the outer casing moves relative to the casing, the striker is driven to move toward the opening of the nail opening, and a part of the nail unit is fired.