A magnetically controlled electronic fuze protection device

Abstract

The utility model relates to the technical field of safety protection of electronic fuses for pyrotechnics, and provides a magnetically controlled electronic fuse protection device, comprising: a shell and a magnetically controlled electronic fuse body, both ends of the magnetically controlled electronic fuse body are fixedly mounted with mounting blocks, and also comprising: two groups of damping vibration absorbers 1, which are respectively fixedly mounted on the outer surfaces of the two mounting blocks. In the utility model, when in use, the damping vibration absorber 1 and the elastic member 1 provide a z-axis vibration reduction effect for the magnetically controlled electronic fuse body, and the buffer rod generates friction with the oil body when moving, shortening the moving distance of the buffer rod, and cooperates with the spring to play a buffering and vibration reduction effect, providing an x-axis vibration reduction effect for the magnetically controlled electronic fuse body, and the damping vibration absorber 2 and the elastic member 2 provide a y-axis vibration reduction effect for the magnetically controlled electronic fuse body, which is beneficial to providing a multi-directional vibration reduction effect for the magnetically controlled electronic fuse body, and greatly reducing the influence of vibration or impact on the magnetically controlled electronic fuse body.

Description

Technical Field

[0001] The utility model relates to the technical field of safety protection of electronic fuzes of explosive devices, in particular to a magnetically controlled electronic fuze protection device. Background Art

[0002] A magnetically controlled electronic fuze protection device is a device that uses magnetic field control technology to enhance the safety of electronic fuzes. This device is usually integrated into the electronic fuze system and prevents the fuze from being accidentally triggered under unpredictable conditions by detecting and responding to specific magnetic field changes.

[0003] However, the prior art has the following disadvantages when used: the magnetron electronic fuze is an advanced fuze device that combines magnetic control technology and electronic technology. It is used to accurately control the detonation time or conditions of pyrotechnics and has the characteristics of high precision, intelligence, and strong anti-interference ability. However, the magnetron electronic fuze is located inside the pyrotechnic and may be bumped or fall to the ground during transportation. The magnetron electronic fuze, as a high-precision device, may be damaged or accidentally touched when vibrated or impacted. In addition, the magnetron electronic fuze is located inside the pyrotechnic. When the external ambient temperature changes greatly, the environment in which the magnetron electronic fuze is located will change, which is not conducive to protecting the magnetron electronic fuze. Therefore, a magnetron electronic fuze protection device is urgently needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that the magnetron electronic fuze is an advanced fuze device which combines magnetic control technology and electronic technology, and is used to accurately control the detonation time or conditions of pyrotechnics, and has the characteristics of high precision, intelligence, and strong anti-interference ability. However, the magnetron electronic fuze is located inside the pyrotechnics, and may be bumped or fall to the ground during transportation of the pyrotechnics. The magnetron electronic fuze, as a high-precision device, may be damaged or accidentally touched when vibrated or impacted. In addition, the magnetron electronic fuze is located inside the pyrotechnics. When the external ambient temperature changes greatly, it will cause the environment in which the magnetron electronic fuze is located to change, which is not conducive to protecting the magnetron electronic fuze.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a magnetically controlled electronic fuze protection device, comprising: a shell and a magnetically controlled electronic fuze body, both ends of the magnetically controlled electronic fuze body are fixedly installed with mounting blocks, and also comprising:

[0006] Two groups of damping shock absorbers are respectively fixedly mounted on the outer surfaces of the two mounting blocks, and the ends of the two groups of damping shock absorbers away from the mounting blocks are both fixedly mounted with hollow blocks;

[0007] Two sets of elastic members are fixedly mounted on one end of the two sets of hollow blocks close to the damping shock absorber, and buffer rods are slidably mounted on one end of the two sets of hollow blocks away from the mounting block;

[0008] Two groups of connecting blocks are respectively fixedly mounted on one end of the two groups of buffer rods away from the hollow block, and the opposite ends of the two groups of connecting blocks are fixedly mounted with a second damping shock absorber;

[0009] The two groups of elastic members 2 are respectively fixedly mounted on the outer surfaces of the two groups of connecting blocks, and springs are fixedly mounted on one end of the two groups of hollow blocks close to the buffer rod.

[0010] Preferably, a connecting wire is provided at one end of the magnetically controlled electronic fuse body, one end of the connecting wire is fixedly embedded in the inner wall of the sealing plate, and a connecting rod is fixedly installed at one end of the two groups of connecting blocks away from the second elastic member.

[0011] The technical effect of adopting the above further scheme is: two groups of damping vibration absorbers and elastic parts are fixed on the mounting blocks at both ends of the magnetron electronic fuze body, and the other ends of the two groups of damping vibration absorbers and elastic parts are fixed on the hollow block, providing the magnetron electronic fuze body with z-axis vibration reduction effect, and the other end of the hollow block is fixed with a buffer rod and a spring, and the inside of the hollow block is filled with oil, and the oil wraps the end of the buffer rod located inside the hollow block, and the other ends of the buffer rod and the spring are fixed on the connecting block, and when the buffer rod moves, friction is generated with the oil, shortening the moving distance of the buffer rod, and cooperating with the spring to play a buffering and vibration reduction effect, providing the magnetron electronic fuze body with x-axis vibration reduction effect, and the connecting block is fixed with a damping vibration absorber and an elastic part at one end away from the connecting rod, and the other ends of the damping vibration absorber and the elastic part are fixed on the inner wall of the sealing plate, providing the magnetron electronic fuze body with y-axis vibration reduction effect, which is beneficial to multi-directional vibration reduction of the magnetron electronic fuze body and greatly reducing the influence of vibration or impact on the magnetron electronic fuze body.

[0012] Preferably, sealing plates are slidably mounted on the outer surfaces of the two groups of connecting blocks, and the outer surfaces of the sealing plates are fixedly sleeved with fixing rings, and the other ends of the two groups of elastic members are fixedly mounted on the outer surfaces of the two mounting blocks respectively.

[0013] The technical effect of adopting the above further solution is that the connecting block and the sealing plate are slidably installed, which is convenient for enhancing the stability of the connecting block, and the connecting block can move on the inner wall of the sealing plate.

[0014] Preferably, the other ends of the two groups of elastic members 2 are fixedly mounted on the inner wall of the sealing plate, and the other ends of the two groups of springs are respectively fixedly mounted on the outer surfaces of the two groups of connecting blocks.

[0015] The technical effect of adopting the above further solution is: the elastic member 2 is fixed on the sealing plate to enhance the stability of the elastic member 2, and the spring is fixed on the connecting block to improve the stability of the spring and facilitate the spring to move with the connecting block.

[0016] Preferably, the outer ring of the fixing ring is fixedly mounted on the inner wall of the shell, and the outer surface of the fixing ring close to the sealing plate is fixedly mounted with an inner shell.

[0017] The technical effect of adopting the above further solution is that the inner shell covers the magnetron electronic fuze body at one end of the sealing plate, so as to protect the magnetron electronic fuze body.

[0018] Preferably, a plurality of arc-shaped blocks are fixedly mounted on the outer surface of the inner shell, and semicircular holes are formed at both ends of the plurality of arc-shaped blocks.

[0019] The technical effect of adopting the above further solution is that the provision of the semicircular hole enables the spaces between the inner shell and the outer shell separated by a plurality of arc-shaped blocks to communicate with each other.

[0020] Preferably, one end of the plurality of arc blocks away from the inner shell is fixedly mounted on the inner wall of the shell body, and one end of the plurality of arc blocks close to the sealing plate is fixedly mounted on one side of the fixing ring.

[0021] The technical effect of adopting the above further solution is that the arc block is fixed on the fixing ring, which facilitates enhancing the stability of the arc block.

[0022] Preferably, a circular groove is formed on a side of the fixing ring away from the arc-shaped block, a one-way valve is fixedly mounted on the inner wall of the circular groove, and one end of the one-way valve passes through the circular groove.

[0023] The technical effect of adopting the above further solution is that the setting of the circular groove facilitates the installation of the one-way valve and the concealment of the one-way valve, so that one side of the one-way valve is flush with one side of the fixing ring.

[0024] Compared with the prior art, the advantages and positive effects of the utility model are:

[0025] 1. In the utility model, when in use, the damping vibration absorber 1 and the elastic member 1 provide the z-axis vibration reduction effect for the magnetron electronic fuze body, and the buffer rod generates friction with the oil body when moving, shortening the moving distance of the buffer rod, and cooperates with the spring to play a buffering vibration reduction effect, providing the x-axis vibration reduction effect for the magnetron electronic fuze body, and the damping vibration absorber 2 and the elastic member 2 provide the y-axis vibration reduction effect for the magnetron electronic fuze body, which is beneficial to provide a multi-directional vibration reduction effect for the magnetron electronic fuze body, and greatly reduces the impact of vibration or impact on the magnetron electronic fuze body.

[0026] 2. In the utility model, when in use, the semicircular hole is arranged so that the space between the inner shell and the outer shell separated by a plurality of arc blocks is communicated, and the air between the inner shell and the outer shell is evacuated through the external device including but not limited to a vacuum pump and the one-way valve, so that the space between the inner shell and the outer shell is close to a vacuum state, which greatly reduces the propagation medium and is conducive to reducing the influence of external environmental changes on the magnetically controlled electronic fuze body. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic diagram of the three-dimensional structure of a magnetically controlled electronic fuze protection device provided by the utility model;

[0028] Figure 2 A schematic diagram of the side view of a magnetically controlled electronic fuze protection device provided by the utility model;

[0029] Figure 3 A schematic diagram of a cutaway stereoscopic structure of a magnetically controlled electronic fuze protection device provided by the utility model;

[0030] Figure 4 A magnetically controlled electronic fuze protection device provided by the utility model Figure 3 Enlarged view of point A.

[0031] Legend: 1. Shell; 2. Fixing ring; 3. Inner shell; 4. Arc block; 5. Semicircular hole; 6. Sealing plate; 601. Damping shock absorber 1; 602. Connecting block; 603. Connecting rod; 604. Damping shock absorber 2; 605. Elastic part 2; 606. Buffer rod; 607. Spring; 608. Hollow block; 609. Elastic part 1; 610. Mounting block; 7. Connecting wire; 8. Circular groove; 9. One-way valve; 10. Magnetron electronic fuze body. DETAILED DESCRIPTION

[0032] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0033] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0034] Embodiment 1, as Figure 1 - Figure 4 As shown, the utility model provides a magnetically controlled electronic fuze protection device, comprising: a housing 1 and a magnetically controlled electronic fuze body 10, both ends of the magnetically controlled electronic fuze body 10 are fixedly mounted with mounting blocks 610, and further comprising:

[0035] Two groups of damping vibration absorbers 601 are fixedly mounted on the outer surfaces of two mounting blocks 610, respectively. A hollow block 608 is fixedly mounted on one end of the two groups of damping vibration absorbers 601 away from the mounting blocks 610.

[0036] Two sets of elastic members 609 are fixedly mounted on one end of two sets of hollow blocks 608 close to the damping shock absorber 601, and buffer rods 606 are slidably mounted on one end of the two sets of hollow blocks 608 away from the mounting block 610;

[0037] Two sets of connecting blocks 602 are respectively fixedly mounted on one end of two sets of buffer rods 606 away from the hollow block 608, and the opposite ends of the two sets of connecting blocks 602 are fixedly mounted with a damping shock absorber 2 604;

[0038] The two sets of elastic members 605 are respectively fixedly mounted on the outer surfaces of the two sets of connecting blocks 602 , and the two sets of hollow blocks 608 are fixedly mounted with springs 607 at one end close to the buffer rod 606 .

[0039] In this embodiment, when in use, two groups of damping vibration absorbers 601 and elastic members 609 are fixed on the mounting blocks 610 at both ends of the magnetron electronic fuze body 10, and the other ends of the two groups of damping vibration absorbers 601 and elastic members 609 are fixed on the hollow block 608 to provide z-axis vibration reduction effect for the magnetron electronic fuze body 10, and the other end of the hollow block 608 is fixed to the buffer rod 606 and the spring 607, and the hollow block 608 is filled with oil, and the oil wraps the end of the buffer rod 606 located inside the hollow block 608, and the other ends of the buffer rod 606 and the spring 607 are fixed on the connecting block 602. When the buffer rod 606 moves, it generates friction with the oil body, shortening the moving distance of the buffer rod 606, and cooperates with the spring 607 to play a buffering and vibration reduction effect, providing an x-axis vibration reduction effect for the magnetron electronic fuze body 10. The end of the connecting block 602 away from the connecting rod 603 is fixed with the damping vibration absorber 2 604 and the elastic member 2 605. The other ends of the damping vibration absorber 2 604 and the elastic member 2 605 are fixed to the inner wall of the sealing plate 6, providing a y-axis vibration reduction effect for the magnetron electronic fuze body 10, which is beneficial to multi-directional vibration reduction of the magnetron electronic fuze body 10 and greatly reduces the impact of vibration or impact on the magnetron electronic fuze body 10.

[0040] Embodiment 2, as Figure 1 - Figure 4As shown, a connecting wire 7 is provided at one end of the magnetically controlled electronic fuse body 10, and one end of the connecting wire 7 is fixedly embedded in the inner wall of the sealing plate 6. A connecting rod 603 is fixedly installed at one end of the two groups of connecting blocks 602 away from the elastic member 2 605. The sealing plate 6 is slidably installed on the outer surface of the two groups of connecting blocks 602. A fixing ring 2 is fixedly sleeved on the outer surface of the sealing plate 6. The other ends of the two groups of elastic members 1 609 are respectively fixedly installed on the outer surfaces of the two mounting blocks 610. The other ends of the two groups of elastic members 2 605 are fixedly installed on the inner wall of the sealing plate 6. The other ends of the two groups of springs 607 are respectively fixedly installed on the outer surfaces of the two mounting blocks 610. The outer surface of the two groups of connecting blocks 602, the outer ring of the fixing ring 2 is fixedly installed on the inner wall of the shell 1, the outer surface of the fixing ring 2 close to the sealing plate 6 is fixedly installed with the inner shell 3, the outer surface of the inner shell 3 is fixedly installed with multiple arc blocks 4, both ends of the multiple arc blocks 4 are provided with semicircular holes 5, the ends of the multiple arc blocks 4 away from the inner shell 3 are fixedly installed on the inner wall of the shell 1, the ends of the multiple arc blocks 4 close to the sealing plate 6 are fixedly installed on one side of the fixing ring 2, the side of the fixing ring 2 away from the arc block 4 is provided with a circular groove 8, the inner wall of the circular groove 8 is fixedly installed with a one-way valve 9, and one end of the one-way valve 9 passes through the circular groove 8.

[0041] In this embodiment, when in use, the sealing plate 6 is fixed to the inner ring of the fixing ring 2, and the inner shell 3 covers the magnetron electronic fuze body 10 at one end of the sealing plate 6. A plurality of arc blocks 4 are fixed between the inner shell 3 and the inner wall of the shell 1 to enhance the stability between the inner shell 3 and the shell 1. The semicircular hole 5 is arranged so that the space between the inner shell 3 and the shell 1 separated by the plurality of arc blocks 4 is communicated. The space is connected to the one-way valve 9 through the outside including but not limited to the vacuum pump equipment to extract the air between the inner shell 3 and the shell 1, so that the space between the inner shell 3 and the shell 1 is close to the vacuum state, which greatly reduces the propagation medium, and is conducive to reducing the influence of the external environment change on the magnetron electronic fuze body 10. The magnetron electronic fuze body 10 controls the external equipment through the connecting line 7, and the circular groove 8 is arranged to facilitate the installation of the one-way valve 9.

[0042] Working principle: When in use, two groups of damping vibration absorbers 601 and elastic members 609 are fixed on the mounting blocks 610 at both ends of the magnetically controlled electronic fuze body 10. The other ends of the two groups of damping vibration absorbers 601 and elastic members 609 are fixed on the hollow block 608 to provide a z-axis vibration reduction effect for the magnetically controlled electronic fuze body 10. The other end of the hollow block 608 is fixed with a buffer rod 606 and a spring 607. The hollow block 608 is filled with oil. The oil holds the buffer rod 606 in the hollow block 608. 8, and the other ends of the buffer rod 606 and the spring 607 are fixed on the connecting block 602. When the buffer rod 606 moves, friction is generated with the oil body to shorten the moving distance of the buffer rod 606, and the spring 607 plays a buffering and vibration reduction effect, providing an x-axis vibration reduction effect for the magnetically controlled electronic fuze body 10. The end of the connecting block 602 away from the connecting rod 603 is fixed with the damping vibration absorber 604 and the elastic member 605. The other ends of the damping vibration absorber 604 and the elastic member 605 are fixed to the connecting block 602. The end is fixed on the inner wall of the sealing plate 6, providing a y-axis vibration reduction effect for the magnetron electronic fuze body 10, which is beneficial to multi-directional vibration reduction of the magnetron electronic fuze body 10, greatly reducing the impact of vibration or impact on the magnetron electronic fuze body 10. When in use, the sealing plate 6 is fixed to the inner ring of the fixing ring 2, and the inner shell 3 covers the magnetron electronic fuze body 10 at one end of the sealing plate 6. A plurality of arc blocks 4 are fixed between the inner shell 3 and the inner wall of the shell 1, which is convenient for enhancing the stability between the inner shell 3 and the shell 1. The setting of the semicircular hole 5 makes the space between the inner shell 3 and the shell 1 separated by the plurality of arc blocks 4 communicate with each other, and is connected to the one-way valve 9 through the outside including but not limited to vacuum pump equipment, so that the air between the inner shell 3 and the shell 1 is sucked away, so that the inner shell 3 and the shell 1 are close to a vacuum state, which greatly reduces the propagation medium, which is beneficial to reduce the impact of external environmental changes on the magnetron electronic fuze body 10. The magnetron electronic fuze body 10 controls external equipment through the connecting line 7, and the setting of the circular groove 8 facilitates the installation of the one-way valve 9.

[0043] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A magnetically controlled electronic fuze protection device, comprising a housing (1) and a magnetically controlled electronic fuze body (10), wherein mounting blocks (610) are fixedly mounted at both ends of the magnetically controlled electronic fuze body (10), characterized in that: Also includes: Two groups of damping vibration absorbers (601) are respectively fixedly mounted on the outer surfaces of the two mounting blocks (610), and a hollow block (608) is fixedly mounted on one end of the two groups of damping vibration absorbers (601) away from the mounting blocks (610); Two sets of elastic members (609) are fixedly mounted on one end of the two sets of hollow blocks (608) close to the damping vibration absorber (601), and buffer rods (606) are slidably mounted on one end of the two sets of hollow blocks (608) away from the mounting block (610); Two groups of connection blocks (602) are respectively fixedly mounted on one end of the two groups of buffer rods (606) away from the hollow block (608), and the opposite ends of the two groups of connection blocks (602) are both fixedly mounted with a second damping shock absorber (604); The two groups of elastic members (605) are respectively fixedly mounted on the outer surfaces of the two groups of connecting blocks (602), and the two groups of hollow blocks (608) are fixedly mounted with springs (607) at one end close to the buffer rod (606).

2. A magnetically controlled electronic fuze protection device according to claim 1, characterized in that: A connecting wire (7) is provided at one end of the magnetically controlled electronic fuse body (10), and one end of the connecting wire (7) is fixedly embedded in the inner wall of the sealing plate (6). A connecting rod (603) is fixedly installed at one end of the two groups of connecting blocks (602) away from the second elastic member (605).

3. A magnetically controlled electronic fuze protection device according to claim 2, characterized in that: The outer surfaces of the two groups of connecting blocks (602) are slidably mounted with sealing plates (6), the outer surfaces of the sealing plates (6) are fixedly sleeved with fixing rings (2), and the other ends of the two groups of elastic members (609) are respectively fixedly mounted on the outer surfaces of the two mounting blocks (610).

4. A magnetically controlled electronic fuze protection device according to claim 3, characterized in that: The other ends of the two groups of elastic members (605) are fixedly mounted on the inner wall of the sealing plate (6), and the other ends of the two groups of springs (607) are respectively fixedly mounted on the outer surfaces of the two groups of connecting blocks (602).

5. The magnetically controlled electronic fuze protection device according to claim 4, characterized in that: The outer ring of the fixing ring (2) is fixedly mounted on the inner wall of the housing (1), and the inner housing (3) is fixedly mounted on the outer surface of the fixing ring (2) close to the sealing plate (6).

6. A magnetically controlled electronic fuze protection device according to claim 5, characterized in that: A plurality of arc-shaped blocks (4) are fixedly mounted on the outer surface of the inner shell (3), and semicircular holes (5) are provided at both ends of the plurality of arc-shaped blocks (4).

7. A magnetically controlled electronic fuze protection device according to claim 6, characterized in that: One end of the plurality of arc-shaped blocks (4) away from the inner shell (3) is fixedly mounted on the inner wall of the shell (1), and one end of the plurality of arc-shaped blocks (4) close to the sealing plate (6) is fixedly mounted on one side of the fixing ring (2).

8. The magnetically controlled electronic fuze protection device according to claim 7, characterized in that: A circular groove (8) is provided on the side of the fixing ring (2) away from the arc block (4), a one-way valve (9) is fixedly mounted on the inner wall of the circular groove (8), and one end of the one-way valve (9) passes through the circular groove (8).

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