TWI662199B - High-speed nail has inner tooth - Google Patents

Abstract

The invention relates to a high-speed internal nail, which comprises a body and a connecting member. The body includes a nail body and a cylinder. The connecting member is detachably provided on the cylinder body and is used for connecting a powder.

Description

High-speed internal nail

The invention relates to a high-speed internal nail.

According to the general nail gun use the impact force of gunpowder explosion to hit the nail into the target (such as a cement ceiling) to fix a fixed piece (such as the L-shaped plate for light steel frame) with the target, and then Then, a fixing rod is connected to the fixing member, and the fixing rod can be used to install a light steel frame, and the installation process is too cumbersome. Therefore, an inner nail is invented, and the inner nail has a nail body connection. A cylinder, the inner wall of the cylinder is provided with internal threads, after the nail body hits the target, a rod can be screwed to the inner wall of the cylinder, so the installation process is more convenient, TWM525248 Such are the exposed high-speed internal nails.

However, such conventional high-speed internal tooth nails cannot effectively fix gunpowder with a metal shell in the cylinder because the material of the inner wall of the cylinder is hard and has internal threads. The reasons are as follows. The barrel can move freely, and if the metal shell and the internal thread are installed in a tight fit, it is easy to cause the internal thread to be damaged and cannot be screwed with the fixing rod, which is extremely limited in use. Therefore, the conventional high-speed internal nails are only available The soft shell powder is filled in the barrel, and the soft shell powder needs to be installed at the bottom of the barrel, so that the soft shell powder will not slide again and cannot be detonated smoothly when the nail of the nail gun hits the soft shell powder. The process of installing soft shell gunpowder is extremely inconvenient, and there are disadvantages to be urgently improved.

Therefore, it is necessary to provide a novel and progressive high-speed internal nail to solve the above problems.

The main object of the present invention is to provide a high-speed internal nail, which includes a body and a connecting piece, which can be connected to a hard shell or a soft shell gunpowder and is easy to install, without causing damage to the internal thread portion of the barrel and It can prevent the gunpowder from moving relative to the body to improve the convenience of use.

To achieve the above object, the present invention provides a high-speed internal nail, which includes a body and a connecting member. The main body includes a nail body and a cylinder body. One end of the nail body is provided with a nail tip. The cylinder body is provided at one end of the nail body opposite to the nail tip and surrounds a container chamber. Threaded part. The connecting member is detachably provided on the cylinder body and is used for connecting a powder.

The following only illustrates the possible implementation aspects of the present invention by way of examples, but is not intended to limit the scope of the present invention to be protected, which will be described first.

Please refer to FIGS. 1 to 5, which show a preferred embodiment of the present invention. The high-speed internal nail of the present invention includes a body 1 and a connecting member 4.

The main body 1 includes a nail body 2 and a cylinder body 3. A nail tip 21 is provided at one end of the nail body 2. The cylinder body 3 is provided at an end of the nail body 2 opposite to the nail tip 21 and surrounds a container. 31. An inner thread portion 32 is provided on an inner wall of the accommodating chamber 31. In this embodiment, the cylinder body 3 and the nail body 2 are integrally formed. Preferably, the body 1 is made of metal to have better structural strength.

The connecting member 4 is detachably provided on the cylinder 3 and is connected to a gunpowder 9. In this embodiment, the gunpowder 9 is a gunpowder 9 with a metal shell, and in other embodiments, it can also be a plastic shell. Gunpowder 9.

Specifically, the connecting member 4 is inserted into the container 31 and is sleeved on the gunpowder 9. An accommodating hole 41 is provided at one end of the connecting member 4 away from the nail body 2. The gunpowder 9 is inserted into the accommodating hole 41. The connecting member 4 is made of hard plastic, so the accommodating hole 41 can be slightly deformed. The gunpowder 9 can be smoothly inserted into the receiving hole 41 to connect the gunpowder 9 to the body 1 without causing the gunpowder 9 to engage with the internal thread and damage the internal thread portion 32. .

In detail, in this embodiment, the connecting member 4 includes a small-diameter section 42 and a large-diameter section 43 connected to each other. The small-diameter section 42 is inserted in the container 31, and the gunpowder 9 is connected to the large-diameter section. The diameter section 43 is connected, and the outer peripheral wall of the connecting member 4 is provided with at least two notches 45, each of which is extended from the small diameter section 42 and the large diameter section 43. In this embodiment, the at least two The number of notches 45 is three. An accommodating hole 41 is defined at one end of the large-diameter section 43 away from the small-diameter section 42, and the gunpowder 9 is inserted into the accommodating hole 41.

Preferably, the connecting member 4 further includes a connecting section 44, which is integrally connected between the small diameter section 42 and the large diameter section 43, and the thickness of the connecting section 44 is smaller than the large diameter section 43. The wall thickness is half, so that the structural strength of the connecting section 44 is smaller than the large-diameter section 43.

Specifically, the large-diameter section 43 is cylindrical, the small-diameter section 42 is cylindrical, and the connecting section 44 is annular and connected to the outside of the small-diameter section 42 and the inside of the large-diameter section 43. The large-diameter section 43, the connection section 44 and the small-diameter section 42 are integrally formed of a hard plastic material, which is more convenient in manufacturing and lower in manufacturing cost.

Preferably, the high-speed internal tooth nail further includes a cover 5 detachably sleeved on the nail tip 21, and the cover 5 is made of a soft material such as rubber material or plastic material. When the nails are stored in a box, the shield 5 of each high-speed internal nail can provide a cushioning effect to prevent the nail tip 21 from directly colliding with the gunpowder 9 connected to the connection member 4 of another high-speed internal nail. As a result of the explosion, the shield 5 can improve the safety during storage.

In actual use, as shown in FIG. 4, the high-speed internal nail is installed at the muzzle of a nail gun 8, the nail tip 21 is outward, and the gunpowder 9 is abutted against a firing member 81 (such as a retreat). Shell rod or firing pin), when the firing member 81 collides with the gunpowder 9 to explode the inside of the gunpowder 9, the impact force generated by the gunpowder 9 will cause the body 1 to be ejected outward. It is worth mentioning that As shown in FIG. 5, since the thickness of the connecting section 44 is smaller than the wall thickness of the large-diameter section 43 (as shown in FIG. 3), the connecting section 44 will be broken by the impact force of the powder 9, and the small diameter The segment 42 will move toward the bottom of the chamber 31 due to the impact force and shoot out with the body 1. The lacking grooves 45 can improve the exhaust function so that the small-diameter segment 42 moves to the chamber 31 at high speed. The bottom of the body to avoid reducing the speed at which the body 1 shoots out and causing insufficient depth to hit the target, wherein if the portion of the large diameter section 43 moves toward the bottom of the chamber 31 with the small diameter section 42, The notches 45 can prevent a part of the large-diameter section 43 from forming a complete ring and inadvertently catching on the internal thread portion 32. In addition, due to the explosion of the gunpowder 9 The metal shell of the gunpowder 9 will swell, the gunpowder 9 will abut against the large diameter section 43 and get stuck in the nail gun 8, and the gunpowder 9 will not get stuck in the container 31 and cause the The screw portion 32 cannot be screwed with a rod body, so there is no need to perform the operation of removing the gunpowder 9 from the container 31, which is more convenient in construction.

Please refer to FIG. 6 and FIG. 7 further. Compared to the above embodiment, in another embodiment of this creation, an end 35 of the cylinder 3A away from the nail body 2A is provided with an opening 35 communicating with the container 31. The cylinder A bottom plate 33 is provided at one end of 3A opposite to the opening 35, and a perforation 34 is penetrated through the bottom plate 33. The nail body 2A includes a body portion 22 and a larger diameter head 23, and the radial dimension of the head 23 Is larger than the perforation 34 and smaller than the radial dimension of the opening 35, the body 22 is penetrated through the perforation 34 and the head 23 is confined in the container 31, preferably the body 22 is connected with the The perforation 34 is in a tight fit relationship to prevent the body 22 from sliding relative to the barrel 3A. Therefore, the nail body 2A can be manufactured separately from the barrel 3A and then assembled, which can reduce the processing cost.

In summary, in the high-speed internal tooth nail of the present invention, the connecting member can smoothly connect the gunpowder to the body without causing the gunpowder to engage with the internal thread and causing damage to the internal thread portion, and the gunpowder That is, it will not move relative to the body, so it is not only convenient to install but also convenient to use.

In addition, after the powder is exploded, it will not be stuck in the container and the internal thread portion cannot be screwed with a rod. Therefore, it is unnecessary to remove the powder from the container, which is more convenient for construction. .

1‧‧‧ Ontology

2, 2A‧‧‧ nail body

3, 3A‧‧‧ cylinder

4‧‧‧ Connector

5‧‧‧ shield

8‧‧‧ nail gun

9‧‧‧ gunpowder

21‧‧‧ nail tip

22‧‧‧ Body

23‧‧‧ Head

31‧‧‧capacity room

32‧‧‧ Internal thread

33‧‧‧ floor

34‧‧‧ perforation

35‧‧‧ opening

41‧‧‧Receiving hole

42‧‧‧ Trail

43‧‧‧large diameter section

44‧‧‧ connecting section

45‧‧‧ missing slot

81‧‧‧ firing

FIG. 1 is a perspective view of a preferred embodiment of the present invention. FIG. 2 is an exploded view of a preferred embodiment of the present invention. Fig. 3 is a sectional side view of a preferred embodiment of the present invention. 4 and 5 are operation diagrams of a preferred embodiment of the present invention. FIG. 6 is an exploded view of another preferred embodiment of the present invention. FIG. 7 is a sectional side view of another preferred embodiment of the present invention.

Claims (9)

A high-speed internal tooth nail includes a body including a nail body and a cylinder body. One end of the nail body is provided with a nail tip, and the cylinder body is disposed at one end of the nail body opposite to the nail tip and surrounds a container. An internal thread portion is provided on the inner wall of the container; a connecting member is detachably provided on the cylinder and is connected to a gunpowder; wherein the connecting member includes a small diameter section and a large diameter section connected to each other, The small-diameter section is inserted in the chamber, the gunpowder is connected to the large-diameter section, and at least two notches are provided on the outer peripheral wall of the connector, and each of the notches is extended between the small-diameter section and the Large diameter section. The high-speed internal nail according to claim 1, wherein the connecting member is inserted in the container and is sleeved on the gunpowder. The high-speed internal tooth nail according to claim 1, wherein an end of the connecting member away from the nail body is provided with a receiving hole, the gunpowder is inserted into the receiving hole, and the connecting member is made of hard plastic. The high-speed internal nail according to claim 1, wherein an accommodating hole is opened at one end of the large-diameter section away from the small-diameter section, and the gunpowder is inserted into the accommodating hole. The high-speed internal nail according to claim 4, wherein the connecting member further includes a connecting section, which is integrally connected between the small diameter section and the large diameter section, and the thickness of the connecting section is smaller than the large diameter section. The diameter of the wall is half. The high-speed internal nail according to claim 5, wherein the large-diameter section is cylindrical, the small-diameter section is cylindrical, and the connecting section is ring-shaped and connected to the outside of the small-diameter section and the large-diameter section. Inside the diameter section, the large diameter section, the connection section and the small diameter section are integrally formed of a hard plastic material. The high-speed internal nail according to claim 1, further comprising a cover detachably sleeved on the nail tip, the cover is made of rubber or plastic. The high-speed internal nail according to any one of claims 1 to 7, wherein one end of the cylinder body away from the nail body is provided with an opening communicating with the chamber, and the cylinder body is provided with a bottom plate opposite to one end of the opening, The bottom plate is provided with a perforation. The nail body includes a body connected to the body and a larger diameter head. The radial size of the head is larger than the perforation and smaller than the radial size of the opening. It is located in the perforation and the head is located in the container. The high-speed internal nail according to any one of claims 1 to 7, wherein the barrel and the nail system are integrally formed.