Lens self-locking structure of pilot night vision system

Abstract

The utility model discloses a lens self -locking structure of pilot night vision system relates to pilot night vision system field, including mounting panel, the mounting panel rotationally connected has the connecting plate, the fixedly connected with the installation cylinder in the pivot of mounting panel, the installation cylinder has the friction block along the radial sliding connection, one end of friction block is used for with the inner wall friction of connecting plate pivot, and the other end fixedly connected with the wedge plate, the sliding block is slidably connected in the installation cylinder along the axial direction, and sliding block is controlled sliding by the first adjusting knob rotationally connected one side of mounting panel, and the locking cylinder is rotationally connected in mounting panel, and the locking block that is mutually matched with locking cylinder is fixedly connected on the connecting plate, and one side rotationally connected with the second adjusting knob for controlling locking cylinder of mounting panel. The utility model is convenient for adjusting the pressure between friction block and connecting plate pivot inner wall, can realize the damping strength adjustment of night vision mirror self -locking structure, and makes night vision mirror be able to be easily swung and adjusted angle simultaneously.

Description

Technical Field

[0001] This utility model relates to the field of pilot night vision systems, specifically a lens self-locking structure for a pilot night vision system. Background Technology

[0002] Pilot night vision systems are a key technology in the aviation field, which greatly improve flight safety and mission execution efficiency by enhancing visual perception capabilities at night or in low light conditions.

[0003] Existing pilot night vision systems generally use night vision goggles that are rotated and connected to the helmet. The rotation angle of the night vision goggles is limited by a damping structure in the pivot at the connection between the night vision goggles and the helmet.

[0004] Regarding the aforementioned technologies, existing night vision goggles may require the addition or removal of accessories depending on mission needs. The damping force of the pivot between the night vision goggles and the helmet is not easily adjustable as required, which makes it easy for the night vision goggles to lose self-locking position when the helmet swings during flight missions, or it is not easy to conveniently adjust the rotation angle of the night vision goggles. In summary, the existing lens self-locking structure of pilot night vision systems is inconvenient to adjust the damping force. Utility Model Content

[0005] Based on this, the purpose of this utility model is to provide a lens self-locking structure for a pilot's night vision system, so as to solve the technical problem that the existing lens self-locking structure for pilot night vision systems is inconvenient to adjust the damping force.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a lens self-locking structure for a pilot night vision system, comprising a mounting plate, a connecting plate rotatably connected to the mounting plate, a mounting cylinder fixedly connected inside the rotating shaft of the mounting plate, a friction block slidably connected to the mounting cylinder in the radial direction, one end of the friction block being used to rub against the inner wall of the rotating shaft of the connecting plate, and a wedge plate fixedly connected to the other end, a sliding block slidably connected in the axial direction inside the mounting cylinder, the sliding block being controlled by a first adjusting knob rotatably connected to one side of the mounting plate, the sliding block sliding towards the wedge plate being able to push the friction block radially towards the connecting plate, and a locking cylinder, the locking cylinder being rotatably connected to the mounting plate, a locking block cooperating with the locking cylinder being fixedly connected to the connecting plate, and a second adjusting knob for controlling the locking cylinder being rotatably connected to one side of the mounting plate.

[0007] By adopting the above technical solution, the sliding block pushes the friction block to extend and contact the inner wall of the connecting plate shaft, making it easy to adjust the pressure between the friction block and the inner wall of the connecting plate shaft. This allows for adjustment of the damping force of the night vision goggle's self-locking structure, enabling the night vision goggle to be easily swung and adjusted while effectively maintaining the adjusted angle.

[0008] The present invention is further configured such that the mounting plate is used for fixed connection with the pilot's helmet, and the connecting plate is used for fixed connection with the night vision goggles.

[0009] Preferably, a stable connection between the pilot's helmet and night vision goggles is ensured.

[0010] The present invention is further configured such that two connecting shafts are fixedly connected inside the mounting plate, and the connecting plate is rotatably connected to the connecting shafts of the mounting plate.

[0011] Preferably, the connecting plate is stably rotatably connected to the mounting plate.

[0012] The present invention is further configured such that the outer diameter of the connecting shaft is the same as the inner diameter of the connecting plate at the rotating shaft, and the diameter of the mounting cylinder is smaller than the diameter of the connecting plate at the rotating shaft.

[0013] Preferably, the installation cylinder should not interfere with the rotation of the connecting plate.

[0014] The present invention is further configured such that the end of the friction block facing the connecting plate is an arc surface.

[0015] Preferably, the contact area between the friction block and the connecting plate is maximized.

[0016] The present invention is further configured such that the mounting plate is coaxially rotatably connected to an adjusting rod inside the mounting cylinder, and one end of the adjusting rod extends out of the mounting plate and is fixedly connected to a first adjusting knob.

[0017] Preferably, rotating the first adjustment knob controls the rotation of the adjustment rod.

[0018] The present invention is further configured such that the adjusting rod is threadedly connected to a sliding block inside the mounting cylinder.

[0019] Preferably, a sliding block is used to push the wedge plate.

[0020] The present invention is further configured such that two friction blocks are arranged in a ring at 180-degree intervals inside the mounting cylinder, and the two friction blocks are connected to a wedge plate facing each other, with the inclined surface of the wedge plate in contact with the inclined surface of the sliding block.

[0021] Preferably, the two friction blocks can effectively improve the stability of the night vision goggles' self-locking mechanism.

[0022] The present invention is further configured such that one end of the locking cylinder extends out of the mounting plate and is fixedly connected to the second adjusting knob, the locking cylinder is provided with a locking groove, the locking block can be inserted into the locking groove, and the locking block cannot leave the locking groove after the locking cylinder is rotated.

[0023] Preferably, the locking cylinder can be rotated to easily lock the mounting plate and the connecting plate.

[0024] The present invention is further configured such that one end of the locking cylinder extends out of the mounting plate and is fixedly connected to the second adjusting knob, the locking cylinder is provided with a locking groove, the locking block can be inserted into the locking groove, and the locking block cannot leave the locking groove after the locking cylinder is rotated.

[0025] Preferably, the stability of the engagement between the locking cylinder and the locking block is further improved.

[0026] In summary, the present invention has the following main advantages:

[0027] 1. This utility model provides a sliding block for adjustment within the pivot structure connecting the night vision goggles and the flight helmet. By sliding the sliding block, a friction block extends and contacts the inner wall of the pivot shaft, allowing for convenient adjustment of the pressure between the friction block and the inner wall of the pivot shaft. This enables adjustment of the damping force of the night vision goggles' self-locking structure, allowing the night vision goggles to be easily swung and adjusted while effectively maintaining the adjusted angle.

[0028] 2. This utility model provides a rotating locking structure between the mounting plate and the connecting plate. When the night vision device is not in use, it can be rotated to a position that does not obstruct the view. The locking structure completely locks the night vision device, preventing it from rotating and falling down to obstruct the view due to flipping or shaking during flight. Attached Figure Description

[0029] Figure 1 This is a perspective view of the present utility model;

[0030] Figure 2 This is another perspective view of the present invention;

[0031] Figure 3 This is a perspective view of the locking structure of this utility model;

[0032] Figure 4 This is a perspective view of the internal structure of the connecting plate and mounting plate of this utility model;

[0033] Figure 5 This is a perspective view of the internal structure of the mounting cylinder of this utility model;

[0034] Figure 6 This is a perspective view of the mounting plate of this utility model.

[0035] Explanation of reference numerals in the attached figures:

[0036] 1. Mounting plate; 101. Connecting shaft; 102. Mounting cylinder; 2. Connecting plate; 201. Locking block; 3. First adjusting knob; 4. Second adjusting knob; 5. Adjusting rod; 6. Sliding block; 7. Wedge plate; 8. Friction block; 9. Locking cylinder; 901. Locking groove; 10. Night vision goggle. Detailed Implementation

[0037] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0038] The embodiments of this utility model will be described below based on its overall structure.

[0039] First embodiment:

[0040] Please refer to the lens self-locking structure of a pilot night vision system. Figure 1-6 The system includes a mounting plate 1, a connecting plate 2 rotatably connected to the mounting plate 1, a mounting cylinder 102 fixedly connected inside the rotating shaft of the mounting plate 1, a friction block 8 slidably connected to the mounting cylinder 102 in the radial direction, one end of the friction block 8 is used to rub against the inner wall of the rotating shaft of the connecting plate 2, and the other end is fixedly connected to a wedge plate 7, and a sliding block 6 slidably connected inside the mounting cylinder 102 in the axial direction. Specifically, there are mutually cooperating inclined surfaces between the wedge plate 7 and the sliding block 6. The sliding block 6 is controlled to slide by a first adjusting knob 3 rotatably connected to one side of the mounting plate 1. The sliding block 6 can push the friction block 8 radially toward the connecting plate 2 when it slides toward the wedge plate 7.

[0041] It also includes a locking cylinder 9, which is rotatably connected to the mounting plate 1. A locking block 201 that cooperates with the locking cylinder 9 is fixedly connected to the connecting plate 2. A second adjusting knob 4 for controlling the locking cylinder 9 is rotatably connected to one side of the mounting plate 1.

[0042] For details regarding the above embodiments, please refer to [link / reference]. Figure 2-6 Mounting plate 1 is used to fix the connection to the pilot's helmet, while connecting plate 2 is used to fix the connection to night vision goggles 10, ensuring a stable connection between the pilot's helmet and night vision goggles 10. Specifically, two connecting shafts 101 are fixedly connected inside mounting plate 1. Connecting plate 2 is rotatably connected to the connecting shafts 101 of mounting plate 1, so that connecting plate 2 is stably rotatably connected to mounting plate 1, and the mounting cylinder 102 is prevented from interfering with the rotation of connecting plate 2.

[0043] Furthermore, the end of the friction block 8 facing the connecting plate 2 is curved, which fully expands the contact area between the friction block 8 and the connecting plate 2 and prevents the friction block 8 from slipping.

[0044] For details regarding the above embodiments, please refer to [link / reference]. Figure 3-6 The mounting plate 1 is coaxially rotatably connected to the adjusting rod 5 inside the mounting cylinder 102. One end of the adjusting rod 5 extends out of the mounting plate 1 and is fixedly connected to the first adjusting knob 3. Rotating the first adjusting knob 3 can control the rotation of the adjusting rod 5. Specifically, the adjusting rod 5 is threadedly connected to the sliding block 6 inside the mounting cylinder 102, and the sliding block 6 is used to push the wedge plate 7.

[0045] Second embodiment:

[0046] Please refer to the lens self-locking structure of a pilot night vision system. Figure 1-6 Based on the first embodiment, the difference from the first embodiment is that two friction blocks 8 are arranged in a ring at 180 degrees interval inside the mounting cylinder 102. The two friction blocks 8 are connected to wedge plates 7 facing each other. The inclined surface of the wedge plate 7 is in contact with the inclined surface of the sliding block 6. The two friction blocks 8 can effectively improve the stability of the night vision goggle 10 self-locking.

[0047] Furthermore, one end of the locking cylinder 9 extends out of the mounting plate 1 and is fixedly connected to the second adjusting knob 4. The locking cylinder 9 is provided with a locking groove 901, and the locking block 201 can be inserted into the locking groove 901. After the locking cylinder 9 is rotated, the locking block 201 cannot leave the locking groove 901. Rotating the locking cylinder 9 can easily complete the locking between the mounting plate 1 and the connecting plate 2.

[0048] Furthermore, one end of the locking cylinder 9 extends out of the mounting plate 1 and is fixedly connected to the second adjusting knob 4. The locking cylinder 9 is provided with a locking groove 901, and the locking block 201 can be inserted into the locking groove 901. After the locking cylinder 9 is rotated, the locking block 201 cannot leave the locking groove 901, which further improves the stability of the cooperation between the locking cylinder 9 and the locking block 201.

[0049] In practical operation, after fixing the mounting plate 1 and connecting plate 2 to the flight helmet and night vision goggles 10 respectively, and completing the addition or removal of accessories on the night vision goggles 10, the weight of the night vision goggles 10 no longer changes. The helmet can then be worn, and the night vision goggles 10 can be rotated to a suitable angle. The helmet can be shaken to feel the locking force of the self-locking structure. If the locking force is too strong and the night vision goggles 10 is easily shaken, the first adjustment knob 3 is rotated clockwise, causing the sliding block 6 to slide towards the wedge plate 7, pushing the friction block 8 to contact the inner wall of the connecting plate 2's rotating shaft more tightly, until the locking force is appropriate. Conversely, the same applies if the locking force is too strong. When the night vision goggles 10 is not needed, the night vision goggles 10 can be rotated to its highest position. At this time, the locking block 201 is inserted into the locking groove 901. The second adjustment knob 4 is rotated to cause the locking cylinder 9 to rotate and wrap around the locking block 201, thus locking the night vision goggles 10 and preventing it from rotating due to helmet shaking. This provides a convenient way to adjust the self-locking force of the night vision goggles 10.

[0050] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A lens self-locking structure for a pilot's night vision system, characterized in that, include: Mounting plate (1), the mounting plate (1) is rotatably connected to a connecting plate (2), the mounting plate (1) is fixedly connected to a mounting cylinder (102) inside the rotating shaft, the mounting cylinder (102) is slidably connected to a friction block (8) in the radial direction, one end of the friction block (8) is used to rub against the inner wall of the rotating shaft of the connecting plate (2), and the other end is fixedly connected to a wedge plate (7), the mounting cylinder (102) is slidably connected to a sliding block (6) in the axial direction, the sliding block (6) is controlled to slide by a first adjusting knob (3) rotatably connected to one side of the mounting plate (1), the sliding block (6) can push the friction block (8) radially toward the connecting plate (2) by sliding toward the wedge plate (7); The locking cylinder (9) is rotatably connected to the mounting plate (1). A locking block (201) that cooperates with the locking cylinder (9) is fixedly connected to the connecting plate (2). A second adjusting knob (4) for controlling the locking cylinder (9) is rotatably connected to one side of the mounting plate (1).

2. The lens self-locking structure of the pilot night vision system according to claim 1, characterized in that: The mounting plate (1) is used to fix the pilot's helmet, while the connecting plate (2) is used to fix the night vision goggles.

3. The lens self-locking structure of the pilot night vision system according to claim 1, characterized in that: The mounting plate (1) has two fixed connecting shafts (101) inside, and the connecting plate (2) is rotatably connected to the connecting shafts (101) of the mounting plate (1).

4. The lens self-locking structure of the pilot night vision system according to claim 3, characterized in that: The outer diameter of the connecting shaft (101) is the same as the inner diameter of the connecting plate (2) at the pivot, and the diameter of the mounting cylinder (102) is smaller than the diameter of the connecting plate (2) at the pivot.

5. The lens self-locking structure of the pilot night vision system according to claim 3, characterized in that: The friction block (8) has an arc surface at one end facing the connecting plate (2).

6. The lens self-locking structure of the pilot night vision system according to claim 3, characterized in that: The mounting plate (1) is coaxially rotatably connected to an adjusting rod (5) inside the mounting cylinder (102). One end of the adjusting rod (5) extends out of the mounting plate (1) and is fixedly connected to a first adjusting knob (3).

7. The lens self-locking structure of the pilot night vision system according to claim 6, characterized in that: The adjusting rod (5) is threadedly connected to a sliding block (6) inside the mounting cylinder (102).

8. The lens self-locking structure of the pilot night vision system according to claim 7, characterized in that: Two friction blocks (8) are arranged in a ring at 180 degrees interval inside the mounting cylinder (102). The two friction blocks (8) are connected to a wedge plate (7) facing each other. The inclined surface of the wedge plate (7) is in contact with the inclined surface of the sliding block (6).

9. The lens self-locking structure of the pilot night vision system according to claim 1, characterized in that: One end of the locking cylinder (9) extends out of the mounting plate (1) and is fixedly connected to the second adjustment knob (4). The locking cylinder (9) is provided with a locking groove (901). The locking block (201) can be inserted into the locking groove (901), and the locking block (201) cannot leave the locking groove (901) after the locking cylinder (9) is rotated.

10. The lens self-locking structure of the pilot night vision system according to claim 9, characterized in that: The locking block (201) has a cylindrical portion with the same diameter as the inner wall of the locking cylinder (9). When the cylindrical portion of the locking block (201) is inserted into the locking groove (901), the locking cylinder (9) can restrict the relative rotation between the connecting plate (2) and the mounting plate (1).

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