Samarium cobalt magnetic steel for night vision camera

Abstract

The utility model relates to the technical field of samarium-cobalt magnetic steel, and discloses samarium-cobalt magnetic steel for a night vision camera, which comprises a box body, the left side of the box body is fixedly connected with a cover plate, a strip-shaped hole is arranged in the cover plate, the right side of the inner wall of the box body is bonded with a rubber pad, and the rubber pad is arranged in the strip-shaped hole. Fixing supports are attached to the left side of the rubber pad and the inner wall of the strip-shaped hole, connecting supports are fixedly connected to the surfaces of the fixing supports, the right side of the cover plate and the upper and lower sides of the inner wall of the box body make contact with the surfaces of the connecting supports, and magnetic steel bodies are fixedly connected to the front and rear sides of the connecting supports; and the surface of the magnetic steel main body is in contact with the inner wall of the box body. According to the utility model, through cooperation of the box body, the cover plate, the strip-shaped hole, the rubber pad, the fixing support and the connecting support, the suction force of the samarium-cobalt magnetic steel to the night vision camera can be adjusted according to the model of the night vision camera, so that the application range of the samarium-cobalt magnetic steel is enlarged.

Description

Technical Field

[0001] The utility model relates to the technical field of samarium-cobalt permanent magnets, in particular to a samarium-cobalt permanent magnet for a night vision camera. Background Art

[0002] A night vision camera is mainly used in a dark environment without visible light or low light. An infrared emission device actively projects infrared light onto an object, and the infrared light enters the lens for imaging after being reflected by the object. Now, night vision cameras are widely used, mainly for cinemas, indoor anti-theft, traffic law enforcement, etc.

[0003] Currently, when in use, most night vision cameras are attracted to a bracket by a samarium-cobalt permanent magnet on the bracket. For example, a samarium-cobalt permanent magnet for a night vision camera disclosed in Chinese Patent Publication No. CN209120317U. However, since the suction force between the samarium-cobalt permanent magnet and the night vision camera is fixed, only a specified model of night vision camera can be installed on the samarium-cobalt permanent magnet, resulting in a small applicable range of the samarium-cobalt permanent magnet. At the same time, when the samarium-cobalt permanent magnet contacts the night vision camera, the internal parts of the night vision camera often become loose due to the large impact force between the samarium-cobalt permanent magnet and the night vision camera. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art, such as: currently, since the suction force between the samarium-cobalt permanent magnet and the night vision camera is fixed, only a specified model of night vision camera can be installed on the samarium-cobalt permanent magnet, resulting in a small applicable range of the samarium-cobalt permanent magnet. At the same time, when the samarium-cobalt permanent magnet contacts the night vision camera, the internal parts of the night vision camera often become loose due to the large impact force between the samarium-cobalt permanent magnet and the night vision camera, and a samarium-cobalt permanent magnet for a night vision camera is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A samarium-cobalt permanent magnet for a night vision camera, comprising a box body. A cover plate is fixedly connected to the left side of the box body. A strip-shaped hole is opened inside the cover plate. A rubber pad is bonded to the right side of the inner wall of the box body. Fixing brackets are respectively arranged in a fitting manner on the left side of the rubber pad and the inner wall of the strip-shaped hole. A connecting bracket is fixedly connected to the surface of the fixing bracket. The right side of the cover plate and the upper and lower sides of the inner wall of the box body are in contact with the surface of the connecting bracket. Magnet main bodies are fixedly connected to the front and rear sides of the connecting bracket. The surface of the magnet main body is in contact with the inner wall of the box body.

[0007] Preferably, the fixing bracket includes a first bolt, the right side of the first bolt contacts the left side of the rubber pad, a threaded cylinder is threadedly connected to the surface of the first bolt, hollow square columns are fixedly connected to the surface of the threaded cylinder and the inner wall of the connecting bracket, the surface of the hollow square column contacts the inner wall of the strip-shaped hole, and the right side of the hollow square column contacts the left side of the rubber pad.

[0008] Preferably, the connecting bracket includes a first U-shaped plate, both the front and rear sides of the first U-shaped plate are fixedly connected to the surface of the magnet main body, first cylinders are fixedly connected to both the front and rear sides of the inner wall of the first U-shaped plate, a first bearing is fixedly connected to the surface of the first cylinder, a strip-shaped ring is fixedly connected to the surface of the first bearing, a second bearing is fixedly connected to the inner wall of the strip-shaped ring, a second cylinder is fixedly connected to the inner wall of the second bearing, second U-shaped plates are fixedly connected to both the front and rear ends of the second cylinder and the surface of the hollow square column, and the left side of the second U-shaped plate contacts the right side of the cover plate.

[0009] Preferably, a first round hole is formed in the interior of the cover plate, a cylinder is fixedly connected to the inner wall of the first round hole, a second round hole is formed in the interior of the magnet main body, the inner wall of the second round hole contacts the surface of the cylinder, a threaded ring is fitted to the inner wall of the cylinder, springs are fixedly connected to both the right side of the threaded ring and the inner wall of the box body, a second bolt is threadedly connected to the inner wall of the threaded ring, a rubber column is bonded to the left side of the second bolt, and the surface of the rubber column contacts the inner wall of the cylinder.

[0010] Preferably, a cross groove is formed in the left side of the rubber column.

[0011] Preferably, the elastic force of the spring is greater than the frictional force between the rubber column and the cylinder.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] (1) By moving the second U-shaped plate on the connecting bracket up and down, the distance between the magnet main body and the cover plate can be changed, and by changing the distance between the cover plate and the magnet main body, the suction force of the samarium-cobalt magnet on the night vision camera can be changed. At the same time, when the magnet main body is adjusted to a suitable position, through the cooperation of the fixing bracket and the rubber pad, the magnet main body can be locked. Furthermore, through the cooperation of the box body, the cover plate, the strip-shaped hole, the rubber pad, the fixing bracket and the connecting bracket, the suction force of the samarium-cobalt magnet on the night vision camera can be adjusted according to the model of the night vision camera, thereby improving the applicable range of the samarium-cobalt magnet.

[0014] (2) Through the cooperation of the first round hole, the cylinder, the second round hole, the threaded ring, the spring, the second bolt and the rubber column, the impact force when the night vision camera contacts the cover plate can be weakened. Therefore, when the user sucks the night vision camera on the samarium-cobalt magnet, the internal parts of the night vision camera will not become loose due to the large impact force between the night vision camera and the samarium-cobalt magnet. Description of the Drawings

[0015] Figure 1 is a schematic diagram of the structure of the present utility model;

[0016] Figure 2 is Figure 1 the sectional view taken along line A-A in

[0017] Figure 3 is the left view of the structure of the present utility model;

[0018] Figure 4 is Figure 3 the sectional view taken along line B-B in

[0019] Figure 5 is the left view of the cover plate in the present utility model;

[0020] Figure 6 is the left view of the magnet main body in the present utility model;

[0021] Figure 7 is the right view of the fixing bracket and the connecting bracket in the present utility model.

[0022] In the figure: 1. Box body; 2. Cover plate; 3. Strip-shaped hole; 4. Rubber pad; 5. Fixing bracket; 51. First bolt; 52. Threaded cylinder; 53. Hollow square column; 6. Connecting bracket; 61. First U-shaped plate; 62. First cylinder; 63. First bearing; 64. Strip-shaped ring; 65. Second bearing; 66. Second cylinder; 67. Second U-shaped plate; 7. Magnet main body; 8. First round hole; 9. Cylinder; 10. Second round hole; 11. Threaded ring; 12. Spring; 13. Second bolt; 14. Rubber column; 15. Cross slot. Detailed Embodiment

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0024] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0025] Embodiment 1:

[0026] Referring to Figure 1-7 , a samarium-cobalt magnet for a night vision camera, comprising a box body 1, a cover plate 2 fixedly connected to the left side of the box body 1, a strip-shaped hole 3 formed inside the cover plate 2, a rubber pad 4 adhesively bonded to the right side of the inner wall of the box body 1, a fixing bracket 5 is arranged in a fitting manner on the left side of the rubber pad 4 and the inner wall of the strip-shaped hole 3, a connecting bracket 6 is fixedly connected to the surface of the fixing bracket 5, the right side of the cover plate 2 and the upper and lower sides of the inner wall of the box body 1 are in contact with the surface of the connecting bracket 6, magnetic steel bodies 7 are fixedly connected to the front and rear sides of the connecting bracket 6, and the surface of the magnetic steel bodies 7 is in contact with the inner wall of the box body 1.

[0027] The fixing bracket 5 includes a first bolt 51, the right side of the first bolt 51 is in contact with the left side of the rubber pad 4, a threaded cylinder 52 is threadedly connected to the surface of the first bolt 51, hollow square columns 53 are fixedly connected to the surface of the threaded cylinder 52 and the inner wall of the connecting bracket 6, the surface of the hollow square columns 53 is in contact with the inner wall of the strip-shaped hole 3, the right side of the hollow square columns 53 is in contact with the left side of the rubber pad 4, when the first bolt 51 rotates, through the cooperation of the first bolt 51 and the threaded cylinder 52, the first bolt 51 can move left or right.

[0028] The connecting bracket 6 includes a first U-shaped plate 61. Both the front and rear sides of the first U-shaped plate 61 are fixedly connected to the surface of the magnet main body 7. Both the front and rear sides of the inner wall of the first U-shaped plate 61 are fixedly connected with first cylinders 62. The surface of the first cylinder 62 is fixedly connected with a first bearing 63. The surface of the first bearing 63 is fixedly connected with a strip-shaped ring 64. Through the first bearing 63, the strip-shaped ring 64 can rotate around the first cylinder 62. The inner wall of the strip-shaped ring 64 is fixedly connected with a second bearing 65. The inner wall of the second bearing 65 is fixedly connected with a second cylinder 66. Through the second bearing 65, the strip-shaped ring 64 can rotate around the second cylinder 66. Both the front and rear ends of the second cylinder 66 and the surface of the hollow square column 53 are fixedly connected with second U-shaped plates 67. The left side of the second U-shaped plate 67 contacts the right side of the cover plate 2. Through the cooperation of the cover plate 2, the second U-shaped plate 67, the hollow square column 53 and the rubber pad 4, the second U-shaped plate 67 can only move up and down. When the first bolt 51 contacts the rubber pad 4, due to the frictional force between the first bolt 51 and the rubber pad 4, the second U-shaped plate 67 cannot move up and down. When the first bolt 51 separates from the rubber pad 4, the second U-shaped plate 67 can freely move up or down.

[0029] Embodiment 2:

[0030] Refer to Figure 1-6 , a first round hole 8 is opened inside the cover plate 2. The inner wall of the first round hole 8 is fixedly connected with a cylinder 9. A second round hole 10 is opened inside the magnet main body 7. The inner wall of the second round hole 10 contacts the surface of the cylinder 9. A threaded ring 11 is fitted on the inner wall of the cylinder 9. Springs 12 are fixedly connected between the right side of the threaded ring 11 and the inner wall of the box body 1. A second bolt 13 is threadedly connected to the inner wall of the threaded ring 11. A rubber column 14 is bonded to the left side of the second bolt 13. A cross groove 15 is opened on the left side of the rubber column 14. Through the cooperation of the second bolt 13 and the threaded ring 11, the disassembly and assembly between the rubber column 14 and the spring 12 are relatively convenient, thus facilitating the user to replace the rubber column 14. At the same time, through the cross groove 15, the user can use a screwdriver to rotate the rubber column 14. The surface of the rubber column 14 contacts the inner wall of the cylinder 9. The elastic force of the spring 12 is greater than the frictional force between the rubber column 14 and the cylinder 9. When the night vision camera approaches the cover plate 2, through the thrust of the spring 12 on the rubber column 14, the impact force when the night vision camera contacts the cover plate 2 can be weakened. Therefore, when the user sucks the night vision camera on this samarium-cobalt magnet, the internal parts of the night vision camera will not become loose due to the large impact force between the night vision camera and this samarium-cobalt magnet. At the same time, when the night vision camera separates from the cover plate 2, through the thrust of the spring 12 on the rubber column 14, the rubber column 14 can return to the initial position.

[0031] In the present utility model, when a user uses the samarium-cobalt permanent magnet, first fix the samarium-cobalt permanent magnet on the night vision camera bracket. Then, adjust the distance between the magnet main body 7 and the cover plate 2 according to the model of the night vision camera. When adjusting, first rotate the first bolt 51 so that the first bolt 51 separates from the rubber pad 4 under the action of the threaded barrel 52. Then, move the first bolt 51 up and down to make the second U-shaped plate 67 move up or down, and change the distance between the magnet main body 7 and the cover plate 2 through the connecting bracket 6. When the distance between the magnet main body 7 and the cover plate 2 is adjusted to an appropriate position, rotate the first bolt 51 so that the first bolt 51 contacts the rubber pad 4 under the action of the threaded barrel 52. At this time, due to the frictional force between the first bolt 51 and the rubber pad 4, the distance between the magnet main body 7 and the cover plate 2 cannot be changed. When fixing the night vision camera, first make the side of the night vision camera contact the left side of the cover plate 2. Then, the night vision camera can be fixed on the samarium-cobalt permanent magnet by the suction force of the magnet main body 7 on the night vision camera. When the leftward pulling force applied by the user to the night vision camera is greater than the suction force of the magnet main body 7 on the night vision camera, the night vision camera can directly separate from the samarium-cobalt permanent magnet.

[0032] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and inventive concept of the present utility model, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

[0033] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A samarium-cobalt permanent magnet for a night vision camera, comprising a box body (1), characterized in that, A cover plate (2) is fixedly connected to the left side of the box body (1). A strip-shaped hole (3) is formed inside the cover plate (2). A rubber pad (4) is adhesively bonded to the right side of the inner wall of the box body (1). Fixed brackets (5) are respectively arranged in a fitting manner on the left side of the rubber pad (4) and the inner wall of the strip-shaped hole (3). A connecting bracket (6) is fixedly connected to the surface of the fixed bracket (5). The right side of the cover plate (2) and the upper and lower sides of the inner wall of the box body (1) are in contact with the surface of the connecting bracket (6). Magnet main bodies (7) are fixedly connected to the front and rear sides of the connecting bracket (6). The surface of the magnet main body (7) is in contact with the inner wall of the box body (1).

2. The samarium cobalt permanent magnet for a night vision camera according to claim 1, wherein The fixed bracket (5) includes a first bolt (51). The right side of the first bolt (51) is in contact with the left side of the rubber pad (4). A threaded cylinder (52) is threadedly connected to the surface of the first bolt (51). Hollow square columns (53) are fixedly connected to the surface of the threaded cylinder (52) and the inner wall of the connecting bracket (6). The surface of the hollow square column (53) is in contact with the inner wall of the strip-shaped hole (3). The right side of the hollow square column (53) is in contact with the left side of the rubber pad (4).

3. A samarium-cobalt permanent magnet for a night vision camera according to claim 2, characterized in that, The connecting bracket (6) includes a first U-shaped plate (61). The front and rear sides of the first U-shaped plate (61) are fixedly connected to the surface of the magnet main body (7). First cylinders (62) are fixedly connected to the front and rear sides of the inner wall of the first U-shaped plate (61). A first bearing (63) is fixedly connected to the surface of the first cylinder (62). A strip-shaped ring (64) is fixedly connected to the surface of the first bearing (63). A second bearing (65) is fixedly connected to the inner wall of the strip-shaped ring (64). A second cylinder (66) is fixedly connected to the inner wall of the second bearing (65). Second U-shaped plates (67) are fixedly connected to the front and rear ends of the second cylinder (66) and the surface of the hollow square column (53). The left side of the second U-shaped plate (67) is in contact with the right side of the cover plate (2).

4. The samarium-cobalt permanent magnet for a night vision camera according to claim 1, wherein, A first round hole (8) is formed inside the cover plate (2). A cylinder (9) is fixedly connected to the inner wall of the first round hole (8). A second round hole (10) is formed inside the magnet main body (7). The inner wall of the second round hole (10) is in contact with the surface of the cylinder (9). A threaded ring (11) is arranged in a fitting manner on the inner wall of the cylinder (9). Springs (12) are fixedly connected to the right side of the threaded ring (11) and the inner wall of the box body (1). A second bolt (13) is threadedly connected to the inner wall of the threaded ring (11). A rubber column (14) is adhesively bonded to the left side of the second bolt (13). The surface of the rubber column (14) is in contact with the inner wall of the cylinder (9).

5. A samarium-cobalt permanent magnet for a night vision camera according to claim 4, characterized in that, A cross groove (15) is formed on the left side of the rubber column (14).

6. A samarium-cobalt permanent magnet for a night vision camera according to claim 4, characterized in that, The elastic force of the spring (12) is greater than the frictional force between the rubber column (14) and the cylinder (9).

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