Steel bulletproof shield

Abstract

The utility model relates to the technical field of shields, and discloses a steel bulletproof shield which comprises a steel shield frame, opening grooves are formed in the two sides of the steel shield frame respectively, and sliding rail grooves are formed in the inner sides of protruding parts of the two sides of the steel shield frame respectively. The bulletproof shields on the two sides of the steel shield frame can slide up and down in the open grooves, the positioning blocks in the middles of the two sides of the shields can slide in the sliding rail grooves, after the positioning blocks slide to the connecting holes, the fastening bolts in the connecting holes can be screwed, and the rotating blocks at one ends of the fastening bolts can rotate under the positioning of the conical springs. When the bulletproof shield is used, the inserting blocks on the circumferential surface can be inserted into the positioning holes in one sides of the corresponding positioning blocks, so that the bulletproof shield is positioned in the opening grooves, the shield protection range can be adjusted to the maximum extent, the steel shield frame can be transversely arranged, the steel shield frame and the shield upper blocking handle can be lifted by multiple persons, and the size of the bulletproof shield can be adjusted to the maximum extent for protection; and after the protective surface is increased, multiple persons can be protected together.

Description

Technical Field

[0001] The utility model relates to the technical field of shields, in particular to a steel bulletproof shield. Background Art

[0002] A bulletproof shield is a defensive weapon used in handling violent terrorist incidents, especially gun-related incidents. It can effectively block the impact of a certain specification of bullets and bomb fragments, and can also be used to defend against injuries caused by thrown stones, glass bottles, eggs, harmful liquids, clubs and other objects.

[0003] For example, the Chinese patent authorization publication number is CN218097415U, "A portable hand-held bulletproof shield, belonging to the technical field of bulletproof shields, includes an upper shield plate and a lower shield plate. A sleeve is fixedly installed near the middle position on the left side of the upper shield plate, and a grip rod is fixedly installed on the rear surface side of the left side of the upper shield plate near the sleeve";

[0004] In the above comparative document, the steel clamping plate inside the two-sided adjusting frame is pulled up by a moving rod, and the limiting rod can slide into the inside of the sliding groove and squeeze the return spring, so that the steel clamping plate can be received into the inside of the adjusting frame and separated from the fixed clamping groove of the fixed frame, so that the upper shield plate and the lower shield plate can be separated. The connecting frame connected to the lower shield plate and the diagonal strut connected to the upper shield plate are rotatably connected by a connecting shaft, so that the upper shield plate and the lower shield plate can be folded. In this way, the foldable bulletproof shield is convenient to put into the vehicle for carrying, making it more convenient to use;

[0005] However, the folding part of the above steel bulletproof shield has limited dimensions and cannot adjust the size of the shield, resulting in a limited protection area. In this way, the protection area of the steel bulletproof shield is limited and it cannot protect multiple people together, so the use of the bulletproof shield has limitations. Content of the Utility Model

[0006] The purpose of the utility model is to provide a steel bulletproof shield, which can adjust the length of the shield size at the upper and lower ends. In this way, the bulletproof shield can adjust the size to the maximum extent for protection. After the protection area is increased, it can be used for multiple people to protect together.

[0007] To achieve the above object, the present utility model provides the following technical solutions: a steel bulletproof shield, including a steel shield frame, wherein opening grooves are respectively formed on both sides of the steel shield frame, slide rail grooves are respectively formed on the inner sides of the protruding parts on both sides of the steel shield frame, shields are symmetrically installed on both sides of the steel shield frame respectively, positioning blocks are fixedly installed in the middle of both sides of the two shields respectively, positioning holes are respectively formed at both ends of the two shields, positioning mechanisms are respectively installed at the outer ends of both sides of the steel shield frame, and the positioning mechanism includes a fastening bolt threadedly installed at the outer end of the steel shield frame, a rotating block rotatably arranged at one end of the fastening bolt close to the shield, a conical spring fixedly installed outside the rotating block, and insertion blocks fixedly installed at equal intervals on the circumferential surface of the rotating block close to the shield end.

[0008] Preferably, the steel shield frame is of an H-shaped structure, a first visualization window is arranged inside the steel shield frame, and a first handle is fixedly installed in the middle of the inner side of the steel shield frame.

[0009] Preferably, second visualization windows are respectively arranged on the inner sides of the two shields away from the inner side of the steel shield frame, and second handles are fixedly installed on the inner sides of the two shields close to the second visualization windows.

[0010] Preferably, connection holes are symmetrically formed at the outer ends of both sides of the steel shield frame, and positioning holes are also formed on the circumferential surface of the outer side of the positioning block.

[0011] Preferably, the fastening bolt is threadedly installed in the inner wall of the connection hole, and one end of the conical spring away from the rotating block is fixedly connected to the inner wall of the connection hole.

[0012] Preferably, the two shields respectively slide in the corresponding opening grooves, the positioning blocks respectively slide in the corresponding slide rail grooves, and the insertion blocks on the inner side of the rotating block are inserted into the positioning holes formed on the outer side of the corresponding positioning blocks.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] On both sides of the steel shield frame of the present utility model, the bulletproof shields can slide up and down from the opening slots, and the positioning blocks in the middle of both sides of the shields can slide in the slide rail slots. After the positioning blocks slide to the connection holes, the fastening bolts in the connection holes can be screwed. Under the positioning of the conical spring at one end of the fastening bolt, the insertion blocks on the circumferential surface can be inserted into the positioning holes on one side of the corresponding positioning blocks, so as to be positioned in the opening slots. In this way, the protection range of the shield can be adjusted to the maximum extent. The steel shield frame can be placed horizontally, and the upper handle on the steel shield frame and the shield can be carried by multiple people. It realizes that the bulletproof shield can adjust the size to the maximum extent for protection. After the protection surface is increased, it can be used for multiple people to protect together, solving the problem that the folding part of the existing steel bulletproof shield has limited size, and the size of the shield cannot be adjusted, resulting in a limited protection surface, so that the protection surface of the steel bulletproof shield is limited and it cannot protect multiple people together, and there are limitations in the use of the bulletproof shield. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0016] Figure 2 is a schematic diagram of the disassembled structure of the shield frame and the shield in the present utility model;

[0017] Figure 3 is Figure 1 a partial structural schematic diagram in;

[0018] Figure 4 is Figure 2 a partial enlarged structural schematic diagram at A in;

[0019] Figure 5 is Figure 3 a partial enlarged structural schematic diagram at B in.

[0020] In the figure: 1, steel shield frame; 2, shield; 3, positioning mechanism; 11, first visualization window; 12, first handle; 13, slide rail slot; 14, opening slot; 15, connection hole; 21, second visualization window; 22, second handle; 23, positioning block; 24, positioning hole; 31, fastening bolt; 32, conical spring; 33, rotating block; 34, insertion block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. The described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0022] Please refer to Figures 1-5, the present utility model provides a technical solution: a steel bulletproof shield, including a steel shield frame 1. Open slots 14 are respectively provided on both sides of the steel shield frame 1. Slide rail grooves 13 are respectively provided on the inner sides of the protruding parts on both sides of the steel shield frame 1. Bulletproof shields 2 are symmetrically installed on both sides of the steel shield frame 1. Positioning blocks 23 are fixedly installed in the middle of both sides of the two groups of bulletproof shields 2. Positioning holes 24 are respectively provided at both ends of both sides of the two groups of bulletproof shields 2;

[0023] Positioning mechanisms 3 are respectively installed at the outer ends of both sides of the steel shield frame 1. The positioning mechanism 3 includes a fastening bolt 31 threadedly installed at the outer end of the steel shield frame 1. A rotating block 33 is rotated at one end of the fastening bolt 31 close to the bulletproof shield 2. A conical spring 32 is fixedly installed outside the rotating block 33. Insert blocks 34 are fixedly installed at equal intervals on the circumferential surface of the rotating block 33 close to the bulletproof shield 2;

[0024] The bulletproof shields 2 on both sides of the steel shield frame 1 can slide up and down through the open slots 14, and the positioning blocks 23 in the middle of both sides of the bulletproof shields 2 can slide in the slide rail grooves 13. After the positioning blocks 23 slide to the connection holes 15, the fastening bolts 31 in the connection holes 15 can be screwed. Under the positioning of the conical spring 32, the rotating block 33 at one end of the fastening bolt 31 can insert the insert blocks 34 on the circumferential surface into the corresponding positioning holes 24 on one side of the positioning blocks 23, so as to be positioned in the open slots 14. In this way, the protection range of the bulletproof shield 2 can be adjusted to the maximum extent. The steel shield frame 1 can be placed horizontally. The upper handles on the steel shield frame 1 and the bulletproof shield 2 can be carried by multiple people. It realizes that the bulletproof shield 2 can adjust the size to the maximum extent for protection. After the protection surface is increased, it can be used for multiple people to protect together.

[0025] Among them, the steel shield frame 1 is of H-shaped structure. A first visualization window 11 is provided inside the steel shield frame 1. A first handle 12 is fixedly installed in the middle of the inner side of the steel shield frame 1. Second visualization windows 21 are respectively provided on both sides of the two groups of bulletproof shields 2 away from the inner side of the steel shield frame 1. Second handles 22 are fixedly installed on both sides of the two groups of bulletproof shields 2 close to the second visualization windows 21. After the protection range of the bulletproof shield 2 is adjusted to the maximum extent, the steel shield frame 1 can be placed horizontally. The upper handles on the steel shield frame 1 and the bulletproof shield 2 can be carried by multiple people. It realizes that the bulletproof shield 2 can adjust the size to the maximum extent for protection. After the protection surface is increased, it can be used for multiple people to protect together.

[0026] Among them, connection holes 15 are symmetrically provided at the outer ends of both sides of the steel shield frame 1. Positioning holes 24 are also provided on the circumferential surface of the outer side of the positioning blocks 23. Under the sliding guidance of the open slots 14 and the slide rail grooves 13, the two groups of bulletproof shields 2 can be received at the openings on both sides of the steel shield frame 1 and connected flush. And they can be positioned through the positioning mechanism 3 and the positioning holes 24 at the top ends of both sides of the bulletproof shields 2, so as to increase the overall mass of the bulletproof shield 2, thereby increasing the bulletproof effect.

[0027] Among them, the fastening bolt 31 is installed on the inner wall of the connection hole 15 through threads. One end of the conical spring 32 away from the rotating block 33 is fixedly connected to the inner wall of the connection hole 15. The two groups of shields 2 slide in the corresponding opening grooves 14 respectively, and the positioning blocks 23 slide in the corresponding slide rail grooves 13 respectively. The insertion blocks 34 on the inner side of the rotating block 33 are inserted into the positioning holes 24 opened on the outer sides of the corresponding positioning blocks 23. The bulletproof shields 2 on both sides of the steel shield frame 1 can slide up and down from the opening grooves 14, and the positioning blocks 23 in the middle of both sides of the shield 2 can slide in the slide rail grooves 13. After the positioning blocks 23 slide to the connection holes 15, the fastening bolts 31 in the connection holes 15 can be screwed. Under the positioning of the conical spring 32, the rotating block 33 at one end of the fastening bolt 31 can insert the insertion blocks 34 on the circumferential surface into the positioning holes 24 on one side of the corresponding positioning blocks 23, so as to be positioned in the opening grooves 14.

[0028] Working principle: When in use, the fastening bolts 31 at the top of both sides of the steel shield frame 1 can be loosened first, so as to release the positioning of the positioning holes 24 at the top of both sides of the two groups of bulletproof shields 2;

[0029] Then, the positioning blocks 23 in the middle of both sides of the shield 2 can slide in the slide rail grooves 13. After the positioning blocks 23 slide to the connection holes 15, the fastening bolts 31 in the connection holes 15 can be screwed. Under the positioning of the conical spring 32, the rotating block 33 at one end of the fastening bolt 31 can insert the insertion blocks 34 on the circumferential surface into the positioning holes 24 on one side of the corresponding positioning blocks 23, so as to be positioned in the opening grooves 14. In this way, the protection range of the shield 2 can be adjusted to the maximum extent;

[0030] Finally, the steel shield frame 1 can be placed horizontally. The handlebars on the steel shield frame 1 and the shield 2 can be carried by multiple people. It realizes that the bulletproof shield 2 can adjust the size to the maximum extent for protection. After the protection surface is increased, it can be used for multiple people to protect together.

[0031] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes and modifications can be made to these embodiments without departing from the principle of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel bulletproof shield, comprising a steel shield frame (1), characterized in that: The steel shield frame (1) is provided with opening grooves (14) on both sides, and the inner sides of the protruding parts on both sides of the steel shield frame (1) are provided with slide rail grooves (13). The shields (2) are symmetrically mounted on both sides of the steel shield frame (1). Positioning blocks (23) are fixedly mounted on the middle parts of both sides of the two groups of shields (2). Positioning holes (24) are respectively opened on both ends of the two groups of shields (2). Positioning mechanisms (3) are respectively mounted on the outer ends of both sides of the steel shield frame (1). The positioning mechanisms (3) include fastening bolts (31) threadedly mounted on the outer ends of the steel shield frame (1). The fastening bolts (31) are rotated to rotate a rotating block (33) near one end of the shield (2). A conical spring (32) is fixedly mounted on the outside of the rotating block (33). Insertion blocks (34) are fixedly mounted at equal intervals on the circumferential surface of the rotating block (33) near one end of the shield (2).

2. The steel bulletproof shield according to claim 1, characterized in that: The steel shield frame (1) is an H-shaped structure, a first visual window (11) is arranged on the inner side of the steel shield frame (1), and a first gear lever (12) is fixedly mounted on the middle part of the inner side of the steel shield frame (1).

3. The steel bulletproof shield according to claim 2, characterized in that: The two groups of shields (2) are respectively provided with second visual windows (21) on the inner side away from the steel shield frame (1), and second gear levers (22) are fixedly mounted on the inner side of the two groups of shields (2) near the second visual windows (21).

4. The steel bulletproof shield according to claim 3, characterized in that: The outer ends of both sides of the steel shield (1) are symmetrically provided with connecting holes (15), and the outer circumferential surface of the positioning block (23) is also provided with positioning holes (24).

5. The steel bulletproof shield according to claim 4, characterized in that: The fastening bolt (31) is threadably mounted in the inner wall of the connecting hole (15), and one end of the conical spring (32) away from the rotating block (33) is fixedly connected to the inner wall of the connecting hole (15).

6. The steel bulletproof shield according to claim 5, characterized in that: The two groups of shields (2) slide in the corresponding opening slots (14) respectively, the positioning blocks (23) slide in the corresponding slide rail slots (13) respectively, and the inner plug blocks (34) of the rotating blocks (33) are plugged into the corresponding positioning holes (24) opened on the outer sides of the positioning blocks (23).

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