Small-diameter primer shell convenient for assembling detonator

Abstract

The utility model discloses a small diameter primer shell convenient to assemble a detonator, which comprises a primer shell, a mounting hole is arranged in the primer shell, a second clamping cylinder is arranged below the mounting hole, a protective cylinder is arranged above the mounting hole, a mounting cylinder is arranged above the protective cylinder, and a second clamping cylinder is arranged above the mounting cylinder. A first clamping cylinder is mounted above the mounting cylinder, and connecting plates are fixedly mounted on the two sides of the mounting cylinder; and the storage groove is formed in the upper surface of the primer shell, mounting grooves are formed in the two sides of the storage groove, and springs are mounted in the mounting grooves. According to the small-diameter primer shell convenient to assemble the detonator, the spring is arranged to pull the first clamping barrel, downward force is applied to the first clamping barrel, and the first clamping barrel is matched with the second clamping barrel to install the detonator into the primer shell, so that the primer shell is simple and convenient to install the detonator, and meanwhile, detonators with different diameters are convenient to install.

Description

Technical Field

[0001] The utility model relates to the technical field of detonators, in particular to a small-diameter detonator shell which is convenient for assembling detonators. Background Art

[0002] Detonators, also known as explosive transfer columns, are blasting equipment used to detonate insensitive explosives. According to the detonation method, they are divided into double detonator detonators, double detonating cord detonators, detonators, detonating cord detonators and other detonators. A double detonator detonator refers to a detonator with two detonator holes on the main body, which can be detonated with two detonators, serving as a double insurance. A double detonating cord detonator refers to a detonator with two detonating cord holes on the main body, which can be detonated with two detonating cords, serving as a double insurance. A detonator and detonating cord detonator refers to a detonator with one detonator hole and one detonating cord hole on the main body, which can be detonated with either detonators or detonating cords.

[0003] China Authorization Announcement No. CN214502240U discloses a detonator, including a shell, an end cover, a detonating core and a charge column; the detonating core includes a mutually perpendicular horizontal portion and a vertical portion, the first end of the vertical portion is located in the middle of the horizontal portion, and the end face of the second end of the vertical portion is spaced apart from the end face of the second end of the shell in the axial direction by a preset spacing; the vertical portion is provided with detonator mounting holes on both sides of the shell in the radial direction, and the orifice of the detonator mounting hole is located on the end face of the second end of the shell in the axial direction. The detonator provided by the utility model is provided with a shell as a combined structure of a shell and an end cover, and a charge injection hole can be provided on the end cover, so that the detonator can be produced by injection, and the product size has a larger charge core filling space compared to the pressed product, and because the charge core adopts a T-shaped structure, a wider detonation area can be formed in the shell, and as long as the side of the detonator contacts the side of the charge core, it can be stably detonated, thereby improving the detonation reliability of the detonator.

[0004] Existing detonators use clips to limit and fix detonators. In order to ensure stable installation of the detonators, it is usually necessary to fill the gaps with fillers, which is time-consuming and laborious, making the installation of the detonators extremely inconvenient. Therefore, we propose a small-diameter detonator shell that is easy to assemble the detonators. Utility Model Content

[0005] The utility model aims to provide a small-diameter detonator shell which is convenient for assembling detonators, so as to solve the problem in the above-mentioned background technology that the existing detonators use clips to limit and fix the detonators, and in order to ensure the stable installation of the detonators, it is usually necessary to fill the gaps with fillers, which is time-consuming and laborious, making the installation of the detonators extremely inconvenient.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a small-diameter detonator shell that is convenient for assembling detonators, comprising a detonator shell, a mounting hole is opened inside the detonator shell, a second cartridge is installed below the mounting hole, a protective cylinder is installed above the mounting hole, a mounting cylinder is installed above the protective cylinder, a first cartridge is installed above the mounting cylinder, and connecting plates are fixedly installed on both sides of the mounting cylinder;

[0007] A receiving groove is provided on the upper surface of the detonator shell, and mounting grooves are provided on both sides of the receiving groove, and springs are installed inside the mounting grooves.

[0008] Preferably, the first cartridge is in a truncated cone structure, and the mounting cylinder is threadedly connected to the first cartridge.

[0009] Preferably, the second cartridge is in a truncated cone-shaped structure, and the second cartridge is fixedly connected to the detonator housing.

[0010] Preferably, the detonator shell is fixedly connected to the protective tube, and the mounting tube can be moved on the protective tube, and the outer diameter of the protective tube matches the inner diameter of the mounting tube, while the shape of the mounting tube partially matches the shape of the inside of the storage slot.

[0011] Preferably, the installation cylinder is communicated with the first cartridge, and the installation cylinder is communicated with the protective cylinder, and the protective cylinder is communicated with the installation hole, and the installation hole is communicated with the second cartridge.

[0012] Preferably, the connecting plate is elastically connected to the mounting groove via a spring.

[0013] Preferably, the detonator housing is further provided with:

[0014] The limiting movable groove is arranged on both sides of the inner wall of the detonator shell, and a limiting movable block is movably installed inside the limiting movable groove. The limiting movable block is fixedly connected to the connecting plate, and the shape and size of the limiting movable block partially coincide with the shape and size inside the limiting movable groove.

[0015] Compared with the prior art, the utility model provides a small-diameter detonator shell that is easy to assemble detonators, and has the following beneficial effects: the small-diameter detonator shell that is easy to assemble detonators, by setting a spring to pull the first cartridge, giving the first cartridge a downward force, and cooperating with the second cartridge to install the detonator into the interior of the detonator shell, makes it simple and convenient to install the detonator in the detonator shell, and is also convenient for installing detonators of different diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the connection structure of the limit movable groove and the limit movable block of the utility model;

[0018] Figure 3 It is a schematic diagram of the partially enlarged structure inside the shell of the detonator of the utility model.

[0019] In the figure: 1. detonator shell; 2. mounting groove; 3. spring; 4. mounting cylinder; 5. first cartridge; 6. limit movable groove; 7. limit movable block; 8. connecting plate; 9. mounting hole; 10. second cartridge; 11. storage groove; 12. protective cylinder. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3, a small-diameter detonator shell that is convenient for assembling detonators, comprising a detonator shell 1, a mounting hole 9 is opened inside the detonator shell 1, a second cartridge 10 is installed below the mounting hole 9; the second cartridge 10 is a truncated cone structure, and the second cartridge 10 is fixedly connected to the detonator shell 1, a protective cylinder 12 is installed above the mounting hole 9, a mounting cylinder 4 is installed above the protective cylinder 12, and a first cartridge 5 is installed above the mounting cylinder 4; the first cartridge 5 is a truncated cone structure, and the mounting cylinder 4 is threadedly connected to the first cartridge 5; the mounting cylinder 4 is connected to the first cartridge 5, and the mounting cylinder 4 is connected to the protective cylinder 12, and the protective cylinder 12 is connected to the mounting hole 9, and the mounting hole 9 is connected to the second cartridge 10, and connecting plates 8 are fixedly installed on both sides of the mounting cylinder 4; a receiving groove 11 is opened on the upper surface of the detonator shell 1; the detonator shell 1 is fixedly connected to the protective cylinder 12, and the mounting cylinder 4 is connected It moves on the protective tube 12, and the diameter size of the outer side of the protective tube 12 is consistent with the diameter size of the inner side of the mounting tube 4, and the shape size of the mounting tube 4 is partially consistent with the shape size of the inner side of the storage groove 11. The storage groove 11 is provided with mounting grooves 2 on both sides, and the inner side of the mounting groove 2 is provided with a spring 3; the connecting plate 8 is elastically connected to the mounting groove 2 through the spring 3; the first cartridge 5 is pulled by setting the spring 3, giving the first cartridge 5 a downward force, and cooperating with the second cartridge 10 to install the detonator into the inner side of the detonator shell 1, so that the installation of the detonator in the detonator shell 1 becomes simple and convenient, and it is convenient to install detonators of different diameters; the limiting movable groove 6 is provided on both sides of the inner wall of the detonator shell 1, and the inner side of the limiting movable groove 6 is movably installed with a limiting movable block 7, and the limiting movable block 7 is fixedly connected to the connecting plate 8, and the shape size of the limiting movable block 7 is partially consistent with the shape size of the inner side of the limiting movable groove 6.

[0022] Working principle: When using the small-diameter detonator shell that is easy to assemble detonators, first insert the detonator to be installed from the inside of the mounting tube 4 and the protective tube 12 into the inside of the mounting hole 9, and the second cartridge 10 supports the detonator. Then pull the connecting plate 8 upward. The connecting plate 8 drives the mounting tube 4 to move upward under the restriction of the limiting movable groove 6 and the limiting movable block 7. Secondly, screw the first cartridge 5 onto the mounting tube 4, and then slowly loosen the connecting plate 8. The spring 3 inside the mounting groove 2 pulls the connecting plate 8 downward by its own tension, and then drives the first cartridge 5 to move downward, and cooperates with the second cartridge 10 to clamp the detonator to complete the installation of the detonator. The lead wire can pass through the upper hole of the first cartridge 5. This is the working principle of the small-diameter detonator shell that is easy to assemble detonators.

[0023] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A small diameter blasting tool housing which is convenient for assembling detonators, characterized in that: include: A detonator shell (1), wherein a mounting hole (9) is provided inside the detonator shell (1), a second cartridge (10) is installed below the mounting hole (9), a protective cylinder (12) is installed above the mounting hole (9), a mounting cylinder (4) is installed above the protective cylinder (12), a first cartridge (5) is installed above the mounting cylinder (4), and connecting plates (8) are fixedly installed on both sides of the mounting cylinder (4); A storage groove (11) is provided on the upper surface of the detonator housing (1), and mounting grooves (2) are provided on both sides of the storage groove (11), and a spring (3) is installed inside the mounting groove (2).

2. A small-diameter blasting tool housing that is convenient for assembling detonators according to claim 1, characterized in that: The first cartridge (5) is in a truncated cone structure, and the mounting cylinder (4) is threadedly connected to the first cartridge (5).

3. A small-diameter detonator housing that is convenient for assembling detonators according to claim 1, characterized in that: The second cartridge (10) is in a truncated cone-shaped structure, and the second cartridge (10) is fixedly connected to the detonator housing (1).

4. A small-diameter detonator housing that is convenient for assembling detonators according to claim 1, characterized in that: The detonator shell (1) is fixedly connected to the protective tube (12), and the mounting tube (4) is movable on the protective tube (12), and the outer diameter of the protective tube (12) matches the inner diameter of the mounting tube (4), while the shape and size of the mounting tube (4) partially matches the shape and size of the interior of the storage groove (11).

5. A small-diameter blasting tool housing that is convenient for assembling detonators according to claim 1, characterized in that: The installation cylinder (4) is in communication with the first cartridge (5), the installation cylinder (4) is in communication with the protective cylinder (12), the protective cylinder (12) is in communication with the installation hole (9), and the installation hole (9) is in communication with the second cartridge (10).

6. A small-diameter blasting tool housing that is convenient for assembling detonators according to claim 1, characterized in that: The connecting plate (8) is elastically connected to the mounting groove (2) via a spring (3).

7. A small-diameter blasting tool housing that is convenient for assembling detonators according to claim 1, characterized in that: The detonator housing (1) is further provided with: A limit movable groove (6) is provided on both sides of the inner wall of the detonator housing (1); a limit movable block (7) is movably installed inside the limit movable groove (6); the limit movable block (7) is fixedly connected to a connecting plate (8); and the shape and size of the limit movable block (7) partially coincide with the shape and size inside the limit movable groove (6).

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