CN213946333U

CN213946333U - Nail shooting cartridge case for integrated nail

Info

Publication number: CN213946333U
Application number: CN202022837814.4U
Authority: CN
Inventors: 钟顺弟; 张龙; 马林; 林绍胜; 谢小东; 周福强; 吴凯; 杨凯; 向涛
Original assignee: Sichuan Deyang Lixie Plastic Co ltd; Sichuan Deyang City Lixie Co ltd
Current assignee: Sichuan Deyang Lixie Plastic Co ltd; Sichuan Lixie Precision Technology Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-08-13
Anticipated expiration: 2030-12-01

Abstract

The utility model discloses an integrative nail is with penetrating nail bullet cartridge case, the one end of cartridge case is equipped with opening medicine chamber, and the other end is established to the drive end, the bottom central authorities in opening medicine chamber are equipped with the hole of dodging that dodges that is used for dodging the plastics residue, dodge the hole and be the smooth circular port of inner wall or round platform shape hole, when dodging the hole and be round platform shape hole, reduce gradually from opening medicine chamber to the internal diameter that dodges the hole of driving end direction. The utility model discloses can dodge the space for the plastics residue formation when percussion ail shooter to in increase contact area and the friction dynamics between firing pin and the power tablet, thereby improve the percussion success rate of ail shooter.

Description

Nail shooting cartridge case for integrated nail

Technical Field

The utility model relates to a penetrate nail technical field, specifically speaking relate to an integrative nail is with penetrating nail bullet cartridge case.

Background

The nail shooter is a modern nail shooting fastening technology product, and belongs to a direct consolidation technology. The nail shooter triggers the nail shooting bullet to generate explosive force to shoot the nail, and the nail shooter directly drives the nail into the matrixes such as steel, concrete, brick masonry or rock, and firmly connects the components needing to be fixed, such as doors and windows, heat insulation boards, sound insulation layers, decorations, pipelines, steel pieces, wood products and the like, with the matrixes, so that the nail shooter is a necessary manual tool for woodworking, building construction and the like.

The existing integrated nail generally comprises a nail shooting bullet and a nail shooting bullet which is injected on the nail shooting bullet. The nail shooting bullet mainly comprises a bullet seat, a medicine cylinder and a power tablet, wherein the power tablet is arranged in the medicine cylinder, and the medicine cylinder is fixed in a bullet hole formed in the bullet seat. The integrative nail just can directly be with penetrating the nail and hit into the base member through detonating the ail shooter during the use for the fixed of component is simple and convenient more, therefore is used more and more extensively.

At present, various improvements have been proposed for the integral nail because the integral nail is more and more important in various industries. The novel plastic shell nail shooting bomb is disclosed as the document with the publication number of CN205166857U, in the document, a propellant powder hole for containing propellant powder and a percussion powder hole for containing percussion powder are arranged in a propellant powder cabin body, a plurality of reinforcing ribs are arranged on the circumferential direction of the inner wall of the percussion powder hole, the effect of strengthening the percussion powder of the nail shooting bomb can be achieved through the reinforcing ribs, the reinforcing ribs can be uniformly distributed, the percussion powder is formed into a plurality of equal parts, and therefore the percussion powder is firm and reliable. However, in the practical application process, the firing powder of the nail shooting bullet with the structure is fully distributed in the firing powder hole, and the firing shape is uniformly divided into a plurality of equal parts by the reinforcing ribs, so that no gap exists in the firing powder hole. When the firing pin punctures the firing concave hole and enters the explosive charging cabin body, under the drive of high-speed friction force and impact force, partial plastic residues at the edge of the firing concave hole are brought into the primer mixture, so that the primer mixture is loosened and raised, and further the friction force between the firing pin and the primer mixture is reduced, and the detonation failure is caused. Meanwhile, the plastic residues can be blocked between the firing pin and the primer, and the detonation of the nail shooting pill is hindered. Furthermore, the applicant adopts the nail shooter to carry out shooting test on the integrated nail formed by the nail shooting ball with the structure, and counts the firing rate of the integrated nail. 10000 rounds of actual tests prove that the number of detonation failures is 500-1000 rounds, the failure rate is 5% -10%, and 5% -10% of dumb bullets exist. Therefore, there is a need for improvement thereof.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the above-mentioned problem that exists among the prior art, provide an integrative nail shot cartridge case for nail, the utility model discloses can form for the plastics residue when percussion shot to dodge the space to increase the area of contact and the friction dynamics between firing needle and the power tablet, thereby improve the percussion success rate of shot.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides an integrative nail is with penetrating nail bullet cartridge case which characterized in that: the one end of cartridge case is equipped with the opening medicine chamber, and the other end is established to hit the origin, the bottom central authorities in opening medicine chamber are equipped with the hole of dodging that is used for dodging the plastics residue, dodge the hole for the smooth circular port of inner wall or round platform shape hole, when dodging the hole for round platform shape hole, dodge the internal diameter in hole from opening medicine chamber to hitting the origin direction and reduce gradually.

The hitting end is a plane.

When the avoiding hole is a circular hole, the inner diameter of the avoiding hole is 2.5 mm.

When the avoiding hole is a circular truncated cone-shaped hole, the taper of the inner wall of the avoiding hole is 30 degrees.

When the avoiding hole is a circular truncated cone-shaped hole, the inner diameter of one end of the avoiding hole is 3mm, and the inner diameter of the other end of the avoiding hole is 4 mm.

The wall thickness of the cartridge case between the bottom surface of the avoidance hole and the end surface of the hitting end is 0.4 mm.

The depth of the avoiding hole is 2 mm.

Adopt the utility model has the advantages of:

1. the utility model discloses set up the hole of dodging that can dodge the plastics residue between the end of beating and opening medicine chamber, compare in prior art, only set up the percussion that a nitrocotton tablet can effectively realize penetrating the nail in the cartridge case, and because of cancelled the powder of beating, its structure is more simple. Meanwhile, the avoiding hole is positioned between the opening medicine cavity and the hitting end, so that a certain space gap is formed between the nitrocotton tablet and the hitting end. When the firing pin penetrates through the firing end and enters the cartridge, the plastic residues are turned over towards the inside of the cartridge and cling to the inner wall of the avoidance hole. Therefore, plastic residues cannot be brought into the nitrocotton tablets along with the firing pin, the contact area and the friction force between the firing pin and the power tablets are correspondingly increased, the occurrence of dumb bullets is reduced, and the firing rate and the construction efficiency are correspondingly improved. In addition, the inner wall of the avoiding hole is designed to be a smooth surface, so that after combustion and explosion, more plastic residues cannot be generated in the nail pipe, and the reliability of the tool is improved.

2. The utility model discloses to hit the end and establish to the plane, compare in prior art and cancelled the percussion hole, not only have that technology is simpler, the firing pin penetration resistance is littleer advantage, still have dodge the space bigger, the more effective advantage of percussion.

3. The utility model discloses internal diameter, tapering, the degree of depth etc. to dodging the hole have carried out the injecing on the size, and this specific injecing is for production technology needs on the one hand, and on the other hand is that the plastics residue that produces can be very fast extrudeed to the periphery when the percussion, lets the firing pin resistance littleer. Meanwhile, the strength of the percussion part, the area required by compressing the tablet and the resistance of the percussion end penetrated by the percussion needle can be considered.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic structural view of example 2;

labeled as: 1. a medicine cylinder 2, an opening medicine cavity 3, a beating end 4 and a avoiding hole.

Detailed Description

Example 1

The present embodiment provides a nail shooting cartridge case for an integrated nail, wherein one end of the cartridge case 1 is set as a striking end 3, the striking end 3 is a plane, and no striking hole is formed on the end surface of the striking end. The other end of the cartridge case 1 is provided with an opening medicine cavity 2 with the bottom close to the beating end 3, and the opening medicine cavity 2 is used for filling nitrocotton tablets. Further, the bottom center in opening medicine chamber 2 is equipped with the hole 4 of dodging that dodges that is used for dodging the plastics residue, dodge hole 4 for the smooth round platform shape hole of inner wall, and from opening medicine chamber 2 to hit the internal diameter that 3 directions of originated dodge hole 4 and reduce gradually.

Preferably, in order to meet the process requirement and improve the avoidance effect, the size and the like of the avoidance hole 4 are limited as follows: the taper of the inner wall of the avoiding hole 4 is 30 degrees, the depth is 2mm, the inner diameter of one end of the avoiding hole is 3mm, and the inner diameter of the other end of the avoiding hole is 4 mm. Furthermore, in order to simplify the manufacturing process of the cartridge 1 and to reduce the penetration resistance of the firing pin, it is preferred to set the wall thickness of the cartridge 1 between the bottom surface of the relief hole 4 and the end surface of the firing end 3 to 0.4mm, i.e. the firing pin only needs to penetrate the wall thickness of 0.4mm to enter the cartridge 1.

Example 2

The present embodiment provides a nail shooting cartridge case for an integrated nail, wherein one end of the cartridge case 1 is set as a striking end 3, the striking end 3 is a plane, and no striking hole is formed on the end surface of the striking end. The other end of the cartridge case 1 is provided with an opening medicine cavity 2 with the bottom close to the beating end 3, and the opening medicine cavity 2 is used for filling nitrocotton tablets. Further, the bottom center in opening medicine chamber 2 is equipped with the hole of dodging 4 that is used for dodging the plastics residue, it is the smooth circular port of inner wall to dodge hole 4.

Preferably, in order to meet the process requirement and improve the avoidance effect, the size and the like of the avoidance hole 4 are limited as follows: the inner diameter of the avoiding hole 4 is 2.5mm, and the depth is 2 mm. In order to simplify the production process of the cartridge 1 and to reduce the penetration resistance of the firing pin, the wall thickness of the cartridge 1 between the bottom surface of the relief hole 4 and the end surface of the firing end 3 is preferably 0.4mm, i.e. the firing pin only needs to penetrate the wall thickness of 0.4mm to enter the interior of the cartridge 1.

The utility model discloses when in actual use, adopt the mode of close fit will be equipped with cartridge case 1 of nitrocotton tablet fix in the magazine of bullet seat can. Because the nitrocotton tablet is of an integral sheet structure, the nitrocotton tablet cannot enter the avoidance hole 4 after being filled in the opening medicine cavity 2. Meanwhile, the avoidance hole 4 provides an avoidance space for plastic residues generated when the striker penetrates through the striking end 3, so that the contact area and the friction force between the striker and the nitrocotton tablet are increased, the occurrence of dumb bullets is reduced, and the striking rate and the construction efficiency are correspondingly improved.

The applicant respectively tests the integrated nail assembled by the embodiment 1 and the embodiment 2, and respectively tests 10000 times of practical tests, wherein the times of detonation failure are 10-35 times, the failure rate is 0.1% -0.35%, namely, only 0.1% -0.35% of dummy bullets exist. With this test result and the test result contrast of the product of the document cited in the background art can know, the utility model discloses reduce the appearance of mute bullet effectively to and promoted the percussion success rate of integrative nail effectively.

Claims

1. The utility model provides an integrative nail is with penetrating nail bullet cartridge case which characterized in that: the one end of cartridge case (1) is equipped with opening medicine chamber (2), and the other end is established to hit and sends end (3), the bottom central authorities in opening medicine chamber (2) are equipped with and are used for dodging hole (4) of dodging of plastics residue, dodge hole (4) for the smooth circular port of inner wall or round platform shape hole, when dodging hole (4) for round platform shape hole, reduce gradually from opening medicine chamber (2) to the internal diameter that hits and send end (3) direction and dodge hole (4).

2. The nail cartridge for integral nail according to claim 1, wherein: the hitting end (3) is a plane.

3. The nail cartridge for integral nail according to claim 1, wherein: when the avoiding hole (4) is a circular hole, the inner diameter of the avoiding hole is 2.5 mm.

4. The nail cartridge for integral nail according to claim 1, wherein: when the avoiding hole (4) is a circular truncated cone-shaped hole, the taper of the inner wall of the avoiding hole is 30 degrees.

5. The nail cartridge for integral nail according to claim 1, wherein: when the avoiding hole (4) is a circular truncated cone-shaped hole, the inner diameter of one end of the avoiding hole is 3mm, and the inner diameter of the other end of the avoiding hole is 4 mm.

6. The nail cartridge for integral nail according to claim 1, wherein: the wall thickness of the medicine cylinder (1) between the bottom surface of the avoiding hole (4) and the end surface of the hitting end (3) is 0.4 mm.

7. The nail cartridge for integral nail according to claim 1, wherein: the depth of the avoiding hole (4) is 2 mm.