Electronic detonator sleeve device

By designing an electronic detonator casing device, the airbag volume enlargement mechanism of the sealing component is used to close the tube and shell connections, solving the problem of existing electronic detonators being easily damp during storage, achieving higher storage sealing and service life.

CN222460470UActive Publication Date: 2025-02-11GUIZHOU JIULIAN IND EXPLOSIVE MATERIALS DEV
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Patent Information

Application Number
CN202323646282.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-29
Publication Date
2025-02-11
Estimated Expiration
2033-12-29

AI Technical Summary

Technical Problem

When stored, existing electronic detonators do not have a sealing structure for connection between tubes and shells, which makes the inside of the detonators prone to water or moisture.

Method used

An electronic detonator casing device is designed, including the front tube and the rear tube. The front tube and the front tube are fixedly connected with a connection bayonet, and a sealing component is installed on the rear tube and the sealing component includes a closed cylinder, an airbag, a square cavity, and a piston. The plate and the air conduit pipe enlarge the volume of the air bag to seal the connection between the tube and shell to prevent external rainwater and dust from entering.

Benefits of technology

It effectively avoids water overflow and dust pollution inside the detonator, improves the storage sealing of the detonator, and extends the service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electronic detonators, in particular to an electronic detonator sleeve device which comprises a front tube shell and a rear tube shell, one end of the front tube shell is fixedly connected with a connecting bayonet, a plurality of protruding blocks are arranged on the connecting bayonet, one end of the rear tube shell is provided with a plurality of through holes, a sealing component is installed on the rear tube shell, and the protruding blocks are arranged on the sealing component. The sealing component comprises a closed cylinder, an air bag, square cavities, a piston plate and an air conveying pipe, the closed cylinder is slidably connected to the rear pipe shell, the air bag is fixedly connected to the inner side wall of the closed cylinder, the two square cavities are fixedly connected to the two sides of the rear pipe shell respectively, and the piston plate is fixedly connected to the air conveying pipe. When the sealing cylinder covers the connecting position of the front pipe shell and the rear pipe shell, the connecting position of the front pipe shell and the rear pipe shell can be sealed along with the increase of the size of the air bag, and external rainwater and dust can be prevented from entering the sealing cylinder.
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Description

Technical Field

[0001] The utility model relates to the technical field of electronic detonators, in particular to an electronic detonator casing device. Background Art

[0002] Digital electronic detonators have been used in my country's deep hole blasting projects in mines, tunnel and underground blasting projects, demolition blasting projects, underwater blasting projects, and urban complex environment control blasting projects. Practice has shown that the use of electronic detonators can significantly improve the size of broken pieces, increase the throwing distance, reduce blasting vibration, effectively reduce the blasting unit consumption, and reduce the number of drilling holes.

[0003] The document with publication number "CN213599951U" discloses a new type of electronic detonator with an external control module, including a control module, a cylindrical module casing, and a basic tube shell. The control module is located in the module casing, and the output end of the control module is connected to the ignition component through a plastic-sealed wire.

[0004] Although the existing technology has solved the problems of poor high-pressure resistance, poor vibration resistance and poor impact resistance of electronic detonators, during storage, since the detonator shells are mostly connected by threads and clamps, the joints do not have a sealing structure, making the inside of the detonator easy to be soaked in water or damp. Utility Model Content

[0005] The purpose of the utility model is to solve the following shortcomings in the prior art: when the existing detonators are stored, most of the detonator shells are connected by threads and clamps, resulting in the lack of a sealing structure at the connection, making it easy for the inside of the detonator to be soaked in water or damp, and an electronic detonator sleeve device is proposed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An electronic detonator casing device comprises a front shell and a rear shell, wherein one end of the front shell is fixedly connected with a connecting bayonet, the connecting bayonet is provided with a plurality of protrusions, and one end of the rear shell is provided with a plurality of through holes;

[0008] A sealing component is installed on the rear tube shell, and the sealing component includes a closing tube, an airbag, a square cavity, a piston plate, and an air pipe. The closing tube is slidably connected to the rear tube shell, and the airbag is fixedly connected to the inner wall of the closing tube. The two square cavities are respectively fixedly connected to the two sides of the rear tube shell, and one end of the two piston plates is respectively slidably connected to the square cavity, and the air pipe is fixedly connected between the square cavity and the airbag.

[0009] Preferably, the sealing component further comprises a spring, and the spring is fixedly connected between the square cavity and the closing cylinder.

[0010] Preferably, a collar is slidably connected to the rear tube shell, the collar is fixedly connected to one end of the piston plate away from the square cavity, and a plurality of connecting rods are fixedly connected between the collar and the closed cylinder.

[0011] Preferably, one end of the front tube shell away from the rear tube shell is threadedly connected with a fixing pin.

[0012] Preferably, an energy storage device is provided in the front tube shell, a wireless energy transmission magnetic induction coil is installed in the front tube shell, a wireless energy transmission electronic detonator control module is installed in the rear tube shell, and the wireless energy transmission electronic detonator control module is electrically connected to the wireless energy transmission magnetic induction coil.

[0013] Preferably, a detonating agent is installed in the rear tube shell.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. As the sleeve moves to the left, the piston plate can be squeezed to move leftward in the square cavity, and the gas in the square cavity can be squeezed to be transmitted to the airbag through the air pipe. When the sealing tube covers the connection between the front tube shell and the rear tube shell, as the volume of the airbag increases, the connection between the front tube shell and the rear tube shell can be sealed to prevent the entry of rain and dust from the outside.

[0016] 2. The use of wireless energy transmission electronic detonator control modules has greatly improved the informationization and digital management level of blasting projects. It is believed that through the massive blasting data, the blasting efficiency will be greatly improved, the waste of resources will be greatly reduced, and the economic efficiency of the product will be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the detonator detonator structure of an electronic detonator casing device proposed by the utility model;

[0018] Figure 2 The utility model discloses a schematic diagram of the internal structure of a front tube shell of an electronic detonator casing device.

[0019] In the figure: 1 fixed pull pin, 2 front tube shell, 3 energy storage device, 4 connecting bayonet, 5 air bag, 6 spring, 7 connecting rod, 8 collar, 9 rear tube shell, 10 piston plate, 11 square cavity, 12 air pipe, 13 closing cylinder, 14 wireless energy transmission magnetic induction coil, 15 wireless energy transmission electronic detonator control module, 16 detonating agent. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] The terms such as "upper", "lower", "left", "right", "middle" and "one" cited in the present utility model are only for the convenience of description and are not used to limit the scope of application of the present utility model. Changes or adjustments in their relative relationships shall be regarded as the scope of application of the present utility model without substantially changing the technical content.

[0022] Reference Figure 1-Figure 2 An electronic detonator casing device comprises a front tube shell 2 and a rear tube shell 9, one end of the front tube shell 2 is fixedly connected with a connecting bayonet 4, a plurality of protrusions are arranged on the connecting bayonet 4, the protrusions slide on the side wall of the connecting bayonet 4, a thrust spring is arranged between the bottom end of the protrusion and the connecting bayonet 4, a plurality of through holes are opened at one end of the rear tube shell 9, and a fixed pull pin 1 is threadedly connected to the end of the front tube shell 2 away from the rear tube shell 9.

[0023] A sealing component is installed on the rear tube shell 9, and the sealing component includes a closing tube 13, an airbag 5, a square cavity 11, a piston plate 10, and an air pipe 12. The closing tube 13 is slidably connected to the rear tube shell 9, and the airbag 5 is fixedly connected to the inner wall of the closing tube 13. The two square cavities 11 are respectively fixedly connected to the two sides of the rear tube shell 9, and one end of the two piston plates 10 is respectively slidably connected in the square cavity 11. The piston plate 10 is sealed and slidably connected to the inner wall of the square cavity 11, and the air pipe 12 is fixedly connected between the square cavity 11 and the airbag 5. The air pipe 12 is corrugated and has retractility. The sealing component also includes a spring 6, which is fixedly connected between the square cavity 11 and the closing tube 13.

[0024] A sleeve ring 8 is slidably connected to the rear tube shell 9, and the sleeve ring 8 is fixedly connected to one end of the piston plate 10 away from the square cavity 11. A plurality of connecting rods 7 are fixedly connected between the sleeve ring 8 and the closed cylinder 13. Movement of the sleeve ring 8 can push the piston plate 10 to move.

[0025] An energy storage device 3 is provided in the front tube shell 2, a wireless energy transmission magnetic induction coil 14 is installed in the front tube shell 2, a wireless energy transmission electronic detonator control module 15 is installed in the rear tube shell 9, the wireless energy transmission electronic detonator control module 15 is electrically connected to the wireless energy transmission magnetic induction coil 14, and an detonating agent 16 is installed in the rear tube shell 9. The use of the wireless energy transmission electronic detonator control module 15 greatly improves the informationization and digital management level of the blasting project. It is believed that through the massive blasting data, the blasting efficiency will be greatly improved, the waste of resources will be greatly reduced, and the economic efficiency of the product will be improved.

[0026] In the utility model, when in use, first press the protrusion on the connecting bayonet 4 and squeeze the internal thrust spring, then slide the connecting bayonet 4 into one end of the rear tube shell 9, at this time, the protrusion on the connecting bayonet 4 is opposite to the through hole on the rear tube shell 9, and the protrusion slides into the circular hole on the rear tube shell 9 under the elastic force of the thrust spring, thereby realizing the clamping connection between the front tube shell 2 and the rear tube shell 9.

[0027] Then release the closing cylinder 13, and the closing cylinder 13 moves to the left under the elastic force of the spring 6. As the closing cylinder 13 moves to the left, the connecting rod 7 can pull the ring 8 to move to the left. As the ring 8 moves to the left, the piston plate 10 can be squeezed to move to the left in the square cavity 11, and the gas in the square cavity 11 is squeezed to be transmitted to the airbag 5 through the air pipe 12. When the closing cylinder 13 covers the connection between the front tube shell 2 and the rear tube shell 9, as the volume of the airbag 5 increases, the connection between the front tube shell 2 and the rear tube shell 9 can be sealed to prevent the entry of rainwater and dust from the outside.

[0028] In the present invention, unless otherwise clearly specified or limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An electronic detonator casing device, comprising a front casing (2) and a rear casing (9), characterized in that: One end of the front tube shell (2) is fixedly connected to a connecting bayonet (4), the connecting bayonet (4) is provided with a plurality of protrusions, and one end of the rear tube shell (9) is provided with a plurality of through holes; A sealing component is installed on the rear tube shell (9), and the sealing component includes a sealing cylinder (13), an airbag (5), a square cavity (11), a piston plate (10), and an air supply pipe (12). The sealing cylinder (13) is slidably connected to the rear tube shell (9), the airbag (5) is fixedly connected to the inner wall of the sealing cylinder (13), the two square cavities (11) are respectively fixedly connected to the two sides of the rear tube shell (9), one end of the two piston plates (10) is respectively slidably connected in the square cavity (11), and the air supply pipe (12) is fixedly connected between the square cavity (11) and the airbag (5).

2. An electronic detonator casing device according to claim 1, characterized in that The sealing component also includes a spring (6), and the spring (6) is fixedly connected between the square cavity (11) and the closing cylinder (13).

3. An electronic detonator casing device according to claim 1, characterized in that: A collar (8) is slidably connected to the rear tube shell (9), the collar (8) is fixedly connected to one end of the piston plate (10) away from the square cavity (11), and a plurality of connecting rods (7) are fixedly connected between the collar (8) and the closed cylinder (13).

4. An electronic detonator casing device according to claim 1, characterized in that: One end of the front tube shell (2) away from the rear tube shell (9) is threadedly connected with a fixing pull pin (1).

5. The electronic detonator casing device according to claim 1, characterized in that: An energy storage device (3) is provided in the front tube shell (2), a wireless energy transmission magnetic induction coil (14) is installed in the front tube shell (2), a wireless energy transmission electronic detonator control module (15) is installed in the rear tube shell (9), and the wireless energy transmission electronic detonator control module (15) is electrically connected to the wireless energy transmission magnetic induction coil (14).

6. An electronic detonator casing device according to claim 1, characterized in that: The rear tube shell (9) is provided with a detonating agent (16).

Citation Information

Patent Citations

  • Novel electronic detonator externally connected with control module

    CN213599951U