Helicopter night vision auxiliary equipment
By installing a traction strap and a self-locking mechanism on the helmet, the problem of increased weight at the front edge of the helmet is solved, resulting in greater wearing comfort and normal night vision.
Patent Information
- Application Number
- CN202520068356.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Traditional head-mounted binocular night vision devices are mounted on the front edge of helmets, which increases the weight of the helmet's front edge and causes the wearer's head and neck to tilt forward, affecting wearing comfort and normal use.
It employs two traction straps and a self-locking mechanism. The night vision device is pulled backward by the bracket and back clip, and fixed by the self-locking mechanism and locking block to prevent the weight of the night vision device from pressing down on the front edge of the helmet, thus improving wearing comfort.
It effectively avoids the downward pressure of the helmet's front edge, improves the wearer's comfort, and ensures normal night vision operation.
Smart Images
Figure CN223568771U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to night vision auxiliary equipment technical field, more specifically, it relates to helicopter night vision auxiliary equipment. BACKGROUND
[0002] Helicopter night vision auxiliary equipment mainly includes PNVS system and head-mounted binocular night vision instrument, wherein, head-mounted binocular night vision instrument is the most common, and it originates from the individual equipment of ground force, needs to be fixed on the helmet, and can provide wider field of view.
[0003] Based on the above, the inventor finds that the conventional head-mounted binocular night vision instrument has some shortcomings in the use process, for example: the night vision instrument is usually installed in the front part of the helmet, which will cause the weight of the front part of the helmet to increase, make the wearer's head and neck to incline forward, and long-time wearing will make the wearer feel tired, affect normal use, therefore, in view of this, the existing structure is studied and improved, and the helicopter night vision auxiliary equipment is provided to achieve the purpose of having more practical value. SUMMARY
[0004] 1. Technical problem to be solved
[0005] In view of the problems in the prior art, the purpose of the utility model is to provide helicopter night vision auxiliary equipment, which can use two traction belts and cooperate with a self-locking mechanism and a lock block to pull the night vision instrument body installed in the front of the helmet backward to avoid the phenomenon that the wearer's head and neck incline forward due to the overloading of the night vision instrument body installed in the front of the helmet, improve the wearing comfort of the wearer, and ensure that the wearer can normally work at night.
[0006] 2. Technical scheme
[0007] To solve the above problems, the utility model adopts the following technical scheme.
[0008] The helicopter night vision auxiliary equipment comprises a support fixed to the front part of the helmet and a back clamp located below the helmet, one end of the support is rotationally connected with a night vision instrument body, both sides of the support are fixedly connected with mounting rods, the end of the mounting rod is fixedly connected with a traction belt, the back surface of the back clamp is fixedly connected with two limiting seats, the top of the limiting seat is provided with a through hole, one side of the limiting seat is fixedly connected with a mounting seat, the mounting seat is provided with a self-locking mechanism, the through hole is provided with a lock block, one end of the traction belt penetrates through the corresponding through hole and is fixed through the cooperation of the self-locking mechanism and the lock block.
[0009] Further, the self-locking mechanism comprises two guide rods fixed between the inner walls of the top and bottom of the mounting base, a resisting block is sleeved between the outer circumferences of the two guide rods, a pull rod is fixedly connected to the top of the resisting block, a return spring is sleeved on the outer circumference of the pull rod, and the two ends of the return spring are fixedly connected with the top inner wall of the mounting base and the top of the resisting block.
[0010] Further, the resisting block is in a trapezoidal cross-section structure, and the top end of the pull rod extends to the top of the mounting base.
[0011] Further, one end of the lock block extends to the outside of the limiting seat, the extending end of the lock block is arranged in a slope, and the slope of the extending end is in abutment with the slope of the resisting block.
[0012] Further, the other end of the lock block is provided with a plurality of protrusions, and the traction belt is clamped and fixed between the protrusions and the side wall of the through hole.
[0013] Further, the part of the traction belt located on the top of the helmet is fixed by a plurality of buckles.
[0014] Further, the front surface of the back clamp is fixedly connected with a plurality of spring belts.
[0015] 3. Beneficial effects
[0016] Compared with the prior art, the utility model has the advantages that:
[0017] In the scheme, the two traction belts, the self-locking mechanism and the lock block mounted on the back surface of the back clamp can pull the bracket mounted on the front edge of the helmet backward, avoid the phenomenon that the front edge of the helmet is pressed downward by the weight of the night vision device body, and cause the wearer's head and neck to be inclined forward, greatly improve the wearing comfort of the wearer, and ensure that the wearer can normally work at night. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is an overall front structure schematic view of the utility model;
[0019] Figure 2 It is an overall back structure schematic view of the utility model;
[0020] Figure 3 It is a bracket and night vision device body position structure schematic view of the utility model;
[0021] Figure 4 It is a mounting base and limiting seat position internal plane structure schematic view of the utility model.
[0022] Explanation of reference numerals in the drawing:
[0023] 1, helmet;
[0024] 2, bracket;
[0025] 3. The back clamp;
[0026] 4. The night vision body;
[0027] 5. The mounting rod;
[0028] 6. The traction belt;
[0029] 7. The limiting seat; 701, the through hole;
[0030] 8. The mounting seat;
[0031] 9. The self-locking mechanism; 901, the guide rod; 902, the stop block; 903, the pull rod; 904, the reset spring;
[0032] 10. The lock block;
[0033] 11. The buckle;
[0034] 12. The spring belt. DETAILED DESCRIPTION
[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0036] Embodiment:
[0037] Please refer to Figures 1-4 The helicopter night vision auxiliary equipment includes the support 2 fixed to the front edge portion of the helmet 1 and the back clamp 3 located below the helmet 1, the night vision body 4 is rotatably connected to one end of the support 2, the mounting rod 5 is fixedly connected to both sides of the support 2, the traction belt 6 is fixedly connected to the end of the mounting rod 5, the two limiting seats 7 are fixedly connected to the back of the back clamp 3, the through hole 701 is formed in the top of the limiting seat 7, the mounting seat 8 is fixedly connected to one side of the limiting seat 7, the self-locking mechanism 9 is arranged on the mounting seat 8, the lock block 10 is arranged in the through hole 701, one end of the traction belt 6 penetrates through the corresponding through hole 701 and is fixed through the cooperation of the self-locking mechanism 9 and the lock block 10.
[0038] Please refer to Figure 4The self-locking mechanism 9 comprises two guide rods 901 fixed between the inner walls of the top and bottom of the mounting base 8, a resisting block 902 slidingly sleeved between the outer peripheries of the two guide rods 901, a pull rod 903 fixedly connected to the top of the resisting block 902, and a reset spring 904 sleeved on the outer periphery of the pull rod 903 and fixedly connected to the top inner wall of the mounting base 8 and the top of the resisting block 902.
[0039] Referring to Figure 4 The resisting block 902 has a trapezoidal cross section, and the top end of the pull rod 903 extends to the top of the mounting base 8.
[0040] Referring to Figure 4 One end of the lock block 10 extends to the outside of the limiting seat 7, and the extending end of the lock block 10 is arranged in a slope and abuts against the slope of the resisting block 902.
[0041] Referring to Figure 4 The other end of the lock block 10 is provided with a plurality of protrusions, and the part of the traction belt 6 located in the through hole 701 is clamped and fixed between the protrusions and the side wall of the through hole 701.
[0042] Referring to Figure 1 The part of the traction belt 6 located on the top of the helmet 1 is fixed by a plurality of buckles 11.
[0043] Referring to Figure 1 The front surface of the back clamp 3 is fixedly connected with a plurality of spring belts 12.
[0044] In use: the wearer puts the back clamp 3 on the body, then installs the support 2 on the helmet 1, and then installs the night vision instrument body 4 on the support 2; at this time, one end of the two traction belts 6 is fixed on the mounting rod 5 on the support 2, then the resisting block 902 is moved upward by the pull rod 903, so that the resisting block 902 is separated from the lock block 10, then the other end of the traction belt 6 is sequentially threaded through the buckle 11 on the top of the helmet 1 and the through hole 701 on the limiting seat 7, then the pull rod 903 is loosened, under the elastic force generated by the deformation of the reset spring 904, the resisting block 902 moves downward and presses the lock block 10 inward, so that the traction belt 6 is pressed and fixed; finally, the helmet 1 is worn on the head, the length of the traction belt 6 is adjusted by controlling the self-locking mechanism 9 until the wearer is comfortable, the whole operation is convenient, and through the two traction belts 6 and the cooperation of the self-locking mechanism 9 and the lock block 10 installed on the back of the back clamp 3, the support 2 installed on the front edge of the helmet 1 can be pulled backward, avoiding the phenomenon that the weight of the night vision instrument body 4 presses the front edge of the helmet 1 downward and causes the wearer's head and neck to lean forward, greatly improving the wearing comfort of the wearer and ensuring that the wearer can normally work at night.
[0045] Finally should be explained is: in the description of the utility model, it is to be explained that, the term "vertical", "upper", "lower", "horizontal" and so on indicate the position relation or location relation is based on the position relation or location relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore can not be understood as a restriction on the utility model.
[0046] In the description of the utility model, it is to be explained that, unless otherwise explicitly provided and limited, the terms "set", "mount", "connected", "connected" should be understood broadly, for example, can be fixedly connected, can also be detachably connected, or integrally connected, can be mechanically connected, can also be electrically connected, can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0047] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this. Any skilled in the art within the technical range disclosed by the utility model, according to the technical scheme of the utility model and its improvement concept, equivalent replacement or change, should be covered in the protection scope of the utility model.
Claims
1. Night vision aid for helicopters, comprising a support (2) fixed to the front edge of a helmet (1) and a back-clip (3) located below the helmet (1), characterized in that: The support (2) one end is rotatably connected with night vision instrument body (4), both sides of the support (2) are fixedly connected with mounting rod (5), the mounting rod (5), the end of the mounting rod (5) is fixedly connected with traction belt (6), the back clamp (3) back is fixedly connected with two limit seat (7), the top of the limit seat (7) is provided with through hole (701), one side of the limit seat (7) is fixedly connected with mounting seat (8), the mounting seat (8) is provided with self-locking mechanism (9), the through hole (701) is provided with lock block (10), one end of the traction belt (6) penetrates through the corresponding through hole (701), and is fixed through the cooperation of self-locking mechanism (9) and lock block (10).
2. The helicopter night vision aid of claim 1, wherein: The self-locking mechanism (9) includes two guide rods (901) fixed between the top and bottom inner walls of the mounting seat (8), and a resisting block (902) is slidably arranged between the outer peripheries of the two guide rods (901), the top of the resisting block (902) is fixedly connected with a pull rod (903), the outer periphery of the pull rod (903) is sleeved with a return spring (904), and the two ends of the return spring (904) are fixedly connected with the top inner wall of the mounting seat (8) and the top of the resisting block (902) respectively.
3. The helicopter night vision aid of claim 2, wherein: The resisting block (902) is in trapezoidal shape structure, and the top end of the pull rod (903) extends to the top of the mounting seat (8).
4. The helicopter night vision aid of claim 1, wherein: One end of the lock block (10) extends to the outside of the limit seat (7), the extension end of the lock block (10) is arranged in inclined surface, and is in abutment with the inclined surface of the resisting block (902).
5. The helicopter night vision aid of claim 1, wherein: The other end of the lock block (10) is provided with a plurality of protrusions, and the part of the traction belt (6) located in the through hole (701) is clamped and fixed between the protrusions and the side wall of the through hole (701).
6. The helicopter night vision aid of claim 1, wherein: The part of the traction belt (6) located on the top of the helmet (1) is fixed by a plurality of buckles (11).
7. The helicopter night vision aid of claim 1, wherein: The front surface of the back clamp (3) is fixedly connected with a plurality of spring belts (12).