Explosive device explosion protection container

Abstract

The application provides an explosive protection container for small equivalent of explosive dangerous goods, which is convenient to carry. The explosive protection container comprises a sphere, a sphere cover and a sphere cover opening and closing mechanism. The sphere is a hollow structure with an opening at the top. The sphere cover is covered on the opening at the top of the sphere to form a closed space in the sphere. The sphere cover opening and closing mechanism is used to drive the sphere cover to rotate clockwise or counterclockwise to open or close the opening at the top of the sphere.

Description

Technical Field

[0001] This invention relates to a protective container, specifically an explosion-proof container, belonging to the fields of police, military, and public safety defense equipment. Background Technology

[0002] Currently, the frequent occurrence of various pyrotechnic safety incidents poses greater challenges to various military industrial units, public security departments, and military security departments.

[0003] Pyrotechnic hazards mainly include detonators, detonating charges, fuses, detonating cords, and hand grenades. Detonators contain relatively small amounts of explosives, but their explosion creates a jet of metal with extremely strong penetrating power. Detonating charges typically contain 10g to 20g of high explosives such as RDX, and their explosion primarily produces a shock wave hazard. Hand grenades typically contain 62g of TNT, and their explosion primarily produces a shock wave and fragmentation hazards.

[0004] Containing the hazards of an explosion within a safe container is one solution to this type of problem. However, traditional explosion-proof containers are designed for protection against high-yield (greater than 100g) explosives. While they offer advantages in terms of protective yield, their large size and weight make them inconvenient for a single person to carry. For low-yield (less than 100g) pyrotechnic hazards, especially hand grenades, a simple, easy-to-open, and portable protective container needs to be designed. Summary of the Invention

[0005] In view of this, the present invention provides an explosion protection container for pyrotechnic materials, which has a simple structure and is suitable for explosion protection of small-yield (less than 100g) pyrotechnic hazardous materials.

[0006] An explosion-proof container for pyrotechnic materials includes: a container body, a cover, and a cover opening and closing mechanism; the cover is fitted onto the opening of the container body.

[0007] The cover opening and closing mechanism includes: a flipping arm, a support platform, a limiting post, and a cam;

[0008] A support platform is provided on the outer wall of the container body, and the lower end of the tilting arm is supported on the support platform by the cam.

[0009] A limiting post is provided on the outer wall of the container body, and the limiting post is located in the strip groove on the flip arm; the flip arm can rotate around the axis of the limiting post, and when the flip arm rotates, it drives the cover to rotate, thereby realizing the opening or closing of the container body opening.

[0010] As a preferred embodiment of the present invention, a set of the lid opening and closing mechanism is provided on each of the two opposite sides of the outer wall of the container body, and the flipping arms of the two sets of lid opening and closing mechanisms are connected.

[0011] As a preferred embodiment of the present invention, a locking mechanism is also included for locking the position of the cover in the closed state.

[0012] As a preferred embodiment of the present invention, the locking mechanism includes: a positioning block disposed on the container body and a positioning hole on the locking block connected to the flipping arm;

[0013] A spring pin is provided on the positioning block. When the cover is in the closed state, the spring pin is inserted into the positioning hole to lock the closed position of the ball cover.

[0014] As a preferred embodiment of the present invention, limit mechanisms are provided at both ends of the rotation path of the lid on the container body, respectively for limiting the lid when it is fully closed and fully open.

[0015] In a preferred embodiment of the present invention, the limiting mechanism comprises an upper limiting block and a lower limiting block disposed on the inner surface of the container body.

[0016] In a preferred embodiment of the present invention, an adjusting bolt is vertically provided on the upper limit block; the adjusting bolt can extend out of the upper limit block and contact the cover to adjust the distance between the cover and the upper limit block.

[0017] In a preferred embodiment of the present invention, the container body is a hollow sphere structure with an open top.

[0018] In a preferred embodiment of the present invention, the cover is a hollow spherical structure; when the cover is in a closed state, a portion of it is embedded in the container body, and the outer wall surface of the embedded portion is in close contact with the inner wall surface of the container body.

[0019] In a preferred embodiment of the present invention, the flipping arm includes a vertical portion and a bent portion; the lower end of the vertical portion is supported on the support platform by the cam; the upper end is bent to form the bent portion, which is connected to the cover.

[0020] As a preferred embodiment of the present invention, a flexible protective body is provided inside the container body.

[0021] As a preferred embodiment of the present invention, a reflective warning strip is installed on the outer surface of the container body.

[0022] In a preferred embodiment of the present invention, the outer wall of the container body is provided with an elastic coating.

[0023] Beneficial effects:

[0024] (1) The explosive protection container of the present invention has a simple structure and the lid is easy to open and close. It can be designed in a small size for explosive dangerous goods with small equivalent (less than 100g) so that they are easy to carry.

[0025] (2) The position of the cover in the closed state is locked by a locking mechanism to improve its security.

[0026] (3) An adjusting bolt is vertically installed on the upper limit block. The distance between the cover and the upper limit block can be adjusted by adjusting the bolt to ensure the airtightness of the cover after it is closed.

[0027] (4) Limiting mechanisms are provided at both ends of the rotation path of the lid on the main body of the container, which can limit the lid when it is fully closed and fully open, and can indicate to the user that the lid is fully closed or fully open.

[0028] (5) To ensure the airtightness of the explosion-proof container, the main body of the container is designed as a sphere and the cover is designed as a spherical notch, and the height of the spherical cover is greater than the height of the spherical notch cut off at the opening of the main body of the container; so that when the cover is in the closed state, part of it is embedded in the main body of the container, and the outer wall of the cover is in close contact with the inner wall of the main body of the container.

[0029] (6) Setting a flexible protective body inside the container body can further improve the protective capability of the protective container, and this setting method can also increase the number of times the protective container can be used.

[0030] (7) A handle is provided on the outer wall of the main body of the container to facilitate lifting and placing the protective container.

[0031] (8) The container body and cover are made of Q690D material. Q690D is a low-temperature resistant high-strength welded structural steel. The yield strength of this material is ≥690MPa and the tensile strength is ≥770MPa. It has high strength and can effectively protect against the shock wave and fragments generated by the explosion. It has good low-temperature resistance and can maintain its impact resistance in an environment of -20℃. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the explosion-proof ball when the cover is closed.

[0033] Figure 2 This is a diagram illustrating the explosion-proof ball during the opening process.

[0034] Figure 3 This is a diagram showing the explosion-proof ball when fully open.

[0035] Figure 4 This is a cross-sectional view of the explosion-proof sphere with a flexible protective layer inside, as shown in Example 2.

[0036] Wherein: 1-sphere, 2-spherical cover, 3-flipping arm, 4-upper limit block, 5-lower limit block, 6-support platform, 7-slide groove, 8-limiting post, 9-adjusting bolt, 10-positioning block, 11-spring pin, 12-cam, 13-positioning hole, 14-flexible protective body Detailed Implementation

[0037] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0038] Example 1:

[0039] This embodiment provides an explosion protection container for pyrotechnic materials, suitable for explosion protection of small-yield (less than 100g) pyrotechnic hazardous materials.

[0040] like Figures 1-3 As shown, the explosion protection container is an explosion-proof sphere, comprising: a sphere 1 as the main body of the container, a sphere cover 2 as the cover, and a sphere cover opening and closing mechanism. The sphere 1 is a hollow structure with an opening at the top (i.e., the remaining structure after a portion of the top of the sphere is cut off by a plane is the sphere 1), and the outer surface is sprayed with polyurea to form an elastic coating; the sphere cover 2 is a hollow spherical structure, and the lower part of the sphere cover 2 is embedded in the opening at the top of the sphere 1. Through the tight fit between the sphere cover 2 and the inner wall of the sphere 1, a sealed space is formed inside the sphere, thereby confining the explosion inside the sphere 1.

[0041] The ball cover opening and closing mechanism controls the ball cover 2 to rotate clockwise or counterclockwise and then slide along the inner wall of the ball 1 to open and close the top opening of the ball 1; when the top opening of the ball 1 is in the open state, one side of the ball cover 2 slides along the inner wall of the ball 1 into the interior of the ball 1.

[0042] Specifically, the ball cover opening and closing mechanism includes: a flipping arm 3, an upper limit block 4, a lower limit block 5, a support platform 6, a limit post 8, a positioning block 10, a spring pin 11, and a cam 12.

[0043] A support platform 6 is provided on the outer wall of the sphere 1. The flipping arm 3 has a "7"-shaped structure, and its lower end is supported on the support platform 6 by a cam 12. The horizontal end is connected to a locking block, and the locking block is provided with a positioning hole 13 that cooperates with the spring pin 11 on the sphere 1. At the same time, a limit post 8 is provided on the outer wall of the sphere 1. The limit post 8 is located in the strip groove 7 on the flipping arm 3 (the length direction of the strip groove 7 is along the length direction of the flipping arm 3), so as to support the flipping arm 3. The flipping arm 3 can rotate around the axial direction of the limit post 8. When the flipping arm 3 rotates, it drives the ball cover 1 to move together.

[0044] For ease of description, we take the example of the ball cover 2 opening when rotated clockwise and closing when rotated counterclockwise. A positioning block 10 is provided at the left open end of the ball 1, and a spring pin 11 is connected to the positioning block 10. When the ball cover 2 is in the closed state, the spring pin 11 is inserted into the positioning hole 13 of the locking block of the flip arm 3 to lock the ball cover 2 in the closed position.

[0045] In this example, to ensure the ball cover 2 can be reliably opened, a support platform 6, a flipping arm 3, and a limiting post 8 are symmetrically arranged on each of the two opposite sides of the outer wall of the ball 1. The flipping arms 3 on both opposite sides have the same structural form, both being a "7"-shaped structure, with their lower ends supported on the support platform 6 on the corresponding side via cams 12. The limiting post 8 is located in the strip groove 7 on the flipping arm 3 on the corresponding side, providing support for the flipping arm 3. The flipping arm 3 can rotate around the axis of the limiting post 8, and when the flipping arm 3 rotates, it drives the ball cover 1 to move together. The horizontal ends of the two flipping arms 3 are connected to a locking block. Two spring pins 11 can also be provided on the ball 1, positioned opposite each other on the two opposite sides of the locking block when it is in the closed state.

[0046] Meanwhile, on the two opposite sides of the inner wall of the sphere 1, an upper limit block 4 and a lower limit block 5 are respectively provided, which are used to limit the sphere cover 2 when it is fully closed and fully open. When the sphere cover 2 is fully closed, its lower left end face contacts the upper limit block 4. In order to adjust the tightness of the sphere cover when it is fully closed, an adjusting bolt 9 is vertically provided on the upper limit block 4. The adjusting bolt 9 can extend out of the upper limit block 4 and contact the lower left end face of the sphere cover 2 to adjust the distance between the lower left end face of the sphere cover 2 and the upper limit block 4.

[0047] To ensure the airtightness of the explosion-proof sphere, the height of the sphere cap 2 is greater than the height of the spherical notch cut off at the opening of the sphere 1; when the sphere cap 2 is in the closed state, a portion of the sphere cap 2 is embedded in the sphere 1, and the outer wall surface of the sphere cap 2 is tightly fitted to the inner wall surface of the sphere 1. For example... Figure 1 As shown, in the closed state: the pin of the spring pin 11 is inserted into the positioning hole 13, the cam 12 contacts the support platform 6, and at the same time the ball cover 2 contacts the adjusting bolt 9. Under the action of multiple forces (the locking limit of the spring pin 11, the downward pressing force of the flip arm, and the upward pushing of the adjusting bolt 9 to make the ball cover 2 and the surface of the ball 1 fit tightly), the ball cover 2 is fixed at the opening of the ball 1, making the inside of the ball a closed space.

[0048] like Figure 2As shown, during the opening process: first, the spring pin 11 is pulled open to release the restriction on the ball cover 2; then, the flipping arm 3 is pulled to rotate clockwise, and the cam 12 slides on the support platform 6; due to the curvature of the cam surface, as the flipping arm 3 and the ball cover 2 rotate, the ball cover 2 gradually moves away from the inner wall of the sphere 1; the slide groove 7 slides along the limiting post 8 until the upper end of the slide groove 7 contacts the limiting post 8; during the subsequent rotation of the flipping arm 3, the slide groove 7 and the limiting post 8 rotate relative to each other. Thus, during the opening process, the ball cover 2 rotates clockwise and gradually opens; at the same time, the distance between the ball cover 2 and the inner wall of the sphere 1 gradually increases, and finally the ball cover 2 contacts the lower limiting block 5 on the inner wall surface of the sphere 1, and the opening ends.

[0049] like Figure 3 As shown, in the fully open state: the limiting post 8 is locked at the top of the slide groove 7, and the lower end of the ball cover 2 is in contact with the lower limiting block 5. At this time, explosive hazardous materials such as hand grenades can be put into the opening of the ball 1.

[0050] The closing process is the opposite of the opening process. The flipping arm 3 is pushed to rotate counterclockwise, causing the ball cover 2 to rotate. At the same time, the distance between the ball cover 2 and the inner wall of the ball 1 gradually decreases until it returns to the closed state.

[0051] Example 2:

[0052] Based on the above embodiment 1, in order to further improve the protective capability of the explosion-proof ball, a flexible protective body 14 is also provided inside the explosion-proof ball; when in use, after the ball cover 2 is opened, pyrotechnic dangerous goods such as hand grenades are placed inside the flexible protective body 14, and then the flexible protective body 14 and the explosion-proof ball are sealed in sequence.

[0053] This setup also increases the number of times the explosion-proof ball can be used.

[0054] Example 3:

[0055] Based on the above embodiment 1 or embodiment 2, this embodiment provides the specific materials of the sphere 1 and the spherical cover 2.

[0056] In this embodiment, the sphere 1 and the sphere cover 2 are made of Q690D material. Q690D is a low-temperature resistant, high-strength weldable structural steel. This material has a yield strength ≥690MPa and a tensile strength ≥770MPa, which is high and can effectively protect against the shock wave and fragments generated by the explosion. It has good weldability, which is beneficial for the processing of the explosion-proof sphere. It also has excellent low-temperature resistance and can maintain its impact resistance in an environment of -20℃.

[0057] Although the present invention has been described in detail above with general descriptions and specific embodiments, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, all such modifications or improvements made without departing from the spirit of the present invention fall within the scope of protection claimed by the present invention.

Claims

1. Explosion-proof containers for pyrotechnic materials, suitable for explosion protection of small quantities of pyrotechnic hazardous materials; including: The container body, the lid, and the lid opening and closing mechanism; The cover is fitted onto the opening of the container body; The feature is that the cover opening and closing mechanism includes: a flipping arm (3), a support platform (6), a limiting post (8), and a cam (12); A support platform (6) is provided on the outer wall of the container body. The flipping arm (3) has a "7" shaped structure. The lower end is supported on the support platform (6) by the cam (12). The horizontal end is connected to a locking block. A limiting post (8) is provided on the outer wall of the container body. The limiting post (8) is located in the strip groove (7) on the flip arm (3). The flip arm (3) can rotate around the axis of the limiting post (8). When the flip arm (3) rotates, it drives the cover to rotate, thereby opening or closing the opening of the container body. Limiting mechanisms are provided at both ends of the rotation path of the lid on the container body, respectively for limiting the lid when it is fully closed and fully open; The limiting mechanism consists of an upper limit block (4) and a lower limit block (5) disposed on the inner surface of the container body. An adjusting bolt (9) is vertically provided on the upper limit block (4); the adjusting bolt (9) can extend out of the upper limit block (4) and contact the cover to adjust the distance between the cover and the upper limit block (4); The container body is equipped with a flexible protective body inside, and when in use, pyrotechnic hazardous materials are placed inside the flexible protective body. It also includes a locking mechanism for locking the position of the lid in the closed state; the locking mechanism includes: a positioning block (10) disposed on the container body and a positioning hole (13) on the locking block connected to the flip arm (3). A spring pin (11) is provided on the positioning block (10). When the cover is in the closed state, the spring pin (11) is inserted into the positioning hole (13) to lock the closed position of the cover. When closed, under the locking limit of the spring pin (11), the downward pressing force of the flip arm, and the upward pushing force of the adjusting bolt (9), the ball cover (2) and the ball (1) are tightly fitted together, fixing the ball cover (2) at the opening of the ball (1), making the inside of the ball a closed space.

2. The explosive protection container for pyrotechnic devices as described in claim 1, characterized in that: A set of the lid opening and closing mechanism is provided on each of the two opposite sides of the outer wall of the container body, and the flipping arms (3) of the two sets of lid opening and closing mechanisms are connected.

3. The explosion-proof container for industrial products as described in claim 1 or 2, characterized in that: The container body is a hollow sphere structure with an opening at the top.

4. The explosive protection container for pyrotechnic devices as described in claim 3, characterized in that: The cover is a hollow spherical structure; when the cover is in the closed state, a part of it is embedded in the container body, and the outer wall of the embedded part is tightly fitted with the inner wall of the container body.

5. The pyrotechnic explosion protection container as described in claim 3, characterized in that: The container body is provided with a base at its bottom.

6. The explosive protection container for pyrotechnic devices as described in claim 1 or 2, characterized in that: The flipping arm (3) includes a vertical part and a bent part; the lower end of the vertical part is supported on the support platform (6) by the cam (12); the upper end is bent to form a bent part, which is connected to the cover.

7. The explosive protection container for pyrotechnic devices as described in claim 1 or 2, characterized in that: The outer surface of the container body is fitted with a reflective warning strip.

8. The explosive protection container for pyrotechnic devices as described in claim 1 or 2, characterized in that: The outer wall of the container body is provided with an elastic coating.

9. The explosive protection container for pyrotechnic devices as described in claim 1 or 2, characterized in that: The container body and the lid are made of Q690D material.

Images