A night vision scope

Abstract

The utility model provides a night vision sighting telescope, including front and back setting in proper order objective lens, sighting telescope body and eyepiece, still be provided with eye -shade on the eyepiece, adopt elastic connection between the eyepiece and the eye -shade, can rebound and restore under the elastic action after the eye -shade side of eyepiece force movement, and the eye -shade can only move along the axial direction to the eyepiece. The utility model discloses set up the eye -shade on the eyepiece, and realize the buffer damping effect through the elastic connection of the eye -shade relative to the eyepiece, and the objective lens, sighting telescope body and eyepiece whole are fixed structure, form a whole with the firearm in the process of firearm shooting, and will not have the additional vibration relative to the firearm, thereby maintains the integrity of internal optical element and electronic component, avoids the problem that night vision function fails or sighting telescope misalignment under high -intensity vibration, improves its as firearm accessory life and reliability.

Description

Technical Field

[0001] This utility model relates to the field of night vision aiming equipment technology, and in particular to a night vision aiming scope. Background Technology

[0002] Night vision devices enable humans to gain good visibility in low-light environments. Initially, these devices were primarily used for military purposes, first and foremost to locate enemy targets at night, and are still widely used in military systems today. However, with societal progress, night vision devices are also widely used in security, wilderness search and rescue, and wilderness survival. Generally speaking, the uses of night vision devices include: military, law enforcement, hunting, wilderness observation, surveillance, security, navigation, concealed target observation, and recreation.

[0003] Night vision devices are generally classified into infrared night vision devices and low-light night vision devices based on their operating principles. Infrared night vision devices are military night vision instruments that utilize photoelectric conversion technology. They are further divided into active and passive types: the former illuminates the target with an infrared searchlight and receives the reflected infrared radiation to form an image; the latter does not emit infrared light but relies on the target's own infrared radiation to form a "thermal image," hence it is also called a "thermal imager." Commercially available infrared night vision devices are all active type. Passive infrared night vision devices are generally not called night vision devices but are renamed thermal imagers. Low-light night vision devices utilize the weak natural light of the night sky, such as moonlight, starlight, atmospheric glow, and the Milky Way, for illumination. A light intensifier amplifies the weak photons reflected from the target and converts them into a visible image, enabling nighttime observation.

[0004] Military night vision devices are often used in conjunction with firearms, serving both aiming and night vision functions; hence, they are also called night vision sights. However, the strong vibrations during firearm firing can cause the eyepiece of the night vision sight to impact the user's eyes, potentially leading to orbital injuries. To address this, Chinese utility model patent application CN202320086049.8 discloses an infrared night vision sight, including a scope housing. A fixing plate has multiple springs evenly distributed at one end, and a fixing base is fixedly connected to the lower end of the scope housing. The fixing base has friction patterns on one side and four dovetail posts evenly distributed at its bottom. The scope body is housed inside the scope housing. This utility model features a fixing plate at one end of the scope housing, with multiple springs and shock-absorbing damping evenly distributed at one end of the fixing plate. A buffer pad is provided at one end of each spring. The buffer pad and spring structure provide shock absorption and cushioning for the user's eyes during aiming.

[0005] While the aforementioned device can effectively cushion and reduce shock, it still has certain drawbacks. This technical solution involves a fixed plate at one end of the scope housing, with multiple springs and damping devices evenly distributed along that end. However, this vibration during the shock absorption process causes the entire scope housing to vibrate, potentially damaging internal optical or electronic components. In severe cases, this can lead to night vision malfunction or aiming inaccuracies. Therefore, a more reasonable shock absorption structure is needed. Utility Model Content

[0006] In view of the shortcomings of the existing technology, this utility model provides a night vision sight that solves the problem that the shock absorption structure of the existing technology causes the scope shell to vibrate, which can cause damage to the internal optical or electronic components, resulting in the failure of night vision function or the inaccuracy of the aiming device.

[0007] According to an embodiment of this utility model, a night vision aiming scope includes an objective lens, an aiming scope body, and an eyepiece arranged sequentially from front to back. The aiming scope body is equipped with optical elements and night vision elements. The aiming scope body is a cylindrical structure with openings at both ends, and its diameter is smaller than that of the objective lens and the eyepiece. It is connected to the objective lens and the eyepiece respectively using a conical connector. A connecting seat is also provided at the bottom of the aiming scope body. An eye shield is also provided on the eyepiece. The eye shield is a cylindrical structure coaxial with the eyepiece. One end of the eye shield is movably connected to the eyepiece, and the other end is provided with a non-prescription plano glass. The eyepiece and the eye shield are elastically connected. When the eye shield is moved towards the eyepiece side by force, it can rebound and return to its original position under elastic action. Moreover, the eye shield can only move axially relative to the eyepiece.

[0008] Furthermore, the goggles have an outer shell and an inner shell coaxially fitted on one side corresponding to the eyepiece. There is a gap between the outer shell and the inner shell to form an annular receiving cavity. The thickness of the receiving cavity matches the thickness of the outer shell of the eyepiece, so that the end of the eyepiece can be inserted into the receiving cavity, thereby allowing the goggles to slide relative to the eyepiece.

[0009] Furthermore, the cavity is also provided with a ring spring surrounding the inner shell, with both ends of the spring connected to the end face of the eyepiece and the inner end face of the cavity, respectively.

[0010] Furthermore, the portion of the eyepiece located within the receiving cavity is provided with a protruding limiting strip, which is parallel to the axial direction of the eyepiece. The outer shell or inner shell is provided with a sliding groove on the side corresponding to the limiting strip, which is parallel to the axial direction of the outer shell or inner shell, so that the limiting strip is precisely engaged in the sliding groove, and restricts the eyepiece and the goggles to move only relative to the axial direction.

[0011] Furthermore, a protruding suction ring is provided on the end face of the inner shell or outer shell near the eyepiece. The suction ring is a radially annular structure and always extends towards the eyepiece. The eyepiece has a concave region corresponding to the position of the suction ring. The concave region is a corresponding annular structure, so that the suction ring extends into the concave region after protruding. The concave region extends towards the side of the scope body, so that when the eye shield moves towards the eyepiece, the suction ring moves within the concave region. A ring magnet is provided at the end position of the concave region corresponding to the side of the eye shield. The suction ring is ferromagnetic.

[0012] Furthermore, a ring-shaped cushioning pad is provided on the end face of the goggles away from the eyepiece.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] In this invention, the eye shield is placed on the eyepiece, and the elastic connection between the eye shield and the eyepiece achieves a buffering and vibration reduction effect. The objective lens, the scope body, and the eyepiece are all fixed structures, forming a whole with the firearm during firing. There will be no additional vibration relative to the firearm, thus maintaining the integrity of the internal optical and electronic components. This avoids problems such as night vision failure or scope inaccuracy under high-intensity vibration, and improves its lifespan and reliability as a firearm accessory. Attached Figure Description

[0015] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model.

[0016] Figure 2 This is a schematic diagram of the axial cross-section of the connection between the objective lens and the eye shield in an embodiment of this utility model.

[0017] Figure 3 This is a radial cross-sectional view of the connection between the objective lens and the eye shield in an embodiment of this utility model.

[0018] Figure 4 for Figure 2 An enlarged schematic diagram of part A in the middle.

[0019] In the above figures: 1. Objective lens; 2. Sight body; 3. Eyepiece; 4. Eye shield; 5. Connecting base; 6. Spring; 7. Plain glass; 8. Buffer pad; 31. Limiting strip; 32. Concave area; 33. Magnet; 41. Outer shell; 42. Inner shell; 43. Receiving cavity; 44. Adsorption ring. Detailed Implementation

[0020] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0021] like Figure 1As shown in the figure, this utility model embodiment proposes a night vision sight, including an objective lens 1, a sight body 2, and an eyepiece 3 arranged sequentially from front to back. The sight body 2 contains optical elements and night vision elements. The optical rounded corners include various lenses, and the night vision elements include infrared night vision devices, low-light night vision devices, and imaging devices. In addition, it also has a battery to provide power to the night vision elements. Since these are all prior art, they will not be described in detail here.

[0022] In this embodiment, the scope body 2 is a cylindrical structure with openings at both ends. Its diameter is smaller than that of the objective lens 1 and the eyepiece 3. It is connected to the objective lens 1 and the eyepiece 3 respectively using conical connectors. The bottom of the scope body 2 is also provided with a connecting seat 5 for fixing to the firearm. The eyepiece 3 is also provided with an eye shield 4. The eye shield 4 is a cylindrical structure coaxial with the eyepiece 3. One end of the eye shield 4 is movably connected to the eyepiece 3, and the other end is provided with a non-opaque glass 7 to prevent foreign objects from entering the eye shield 4. The eyepiece 3 and the eye shield 4 are elastically connected. When the eye shield 4 is moved towards the eyepiece 3 under force, it can rebound and return to its original position under elastic action. The eye shield 4 can only move axially relative to the eyepiece 3.

[0023] like Figure 2 As shown, in the specific design, the goggles 4 have an outer shell 41 and an inner shell 42 coaxially fitted on one side corresponding to the eyepiece 3. A gap exists between the outer shell 41 and the inner shell 42, forming an annular receiving cavity 43. The thickness of the receiving cavity 43 matches the thickness of the eyepiece 3's outer shell, allowing the end of the eyepiece 3 to be inserted into the receiving cavity 43, thus enabling the goggles 4 to slide relative to the eyepiece 3. Considering that the goggles 4 will partially extend into the eyepiece 3, the lens in the eyepiece 3 is positioned closer to the scope body 2 to avoid contact with the goggles 4 and potential impact.

[0024] Furthermore, the cavity 43 is also equipped with a ring spring 6 surrounding the inner shell 42, with both ends of the spring 6 connected to the end face of the eyepiece 3 and the inner end face of the cavity 43, respectively. Therefore, when the user aims and fires, when the eye comes into contact with the goggles 4, the goggles 4 will move towards the eyepiece 3, and the spring 6 will cushion the impact between the eye and the goggles 4, reducing injury to the user. The goggles 4 then returns to its original position via the spring 6. In a further embodiment, a ring-shaped cushioning pad 8 is provided on the end face of the goggles 4 away from the eyepiece 3; in this embodiment, the cushioning pad 8 is made of sponge material.

[0025] like Figure 3As shown, preferably, the portion of the eyepiece 3 located within the receiving cavity 43 is further provided with a protruding limiting strip 31. The limiting strip 31 is parallel to the axial direction of the eyepiece 3. A sliding groove is correspondingly provided on the surface of the outer shell 41 or inner shell 42 on the side corresponding to the limiting strip 31. The sliding groove is parallel to the axial direction of the outer shell 41 or inner shell 42, so that the limiting strip 31 is precisely engaged in the sliding groove, restricting the eyepiece 3 and the goggles 4 to move only relative to each other along the axial direction. In this embodiment, the eyepiece 3 is provided with limiting strips 31 at two opposite positions along the radial direction, and each position has two symmetrical limiting strips 31 on both the inner and outer sides, thereby better securing the goggles 4.

[0026] like Figure 4 As shown, furthermore, a protruding suction ring 44 is provided on the end face of the inner shell 42 or outer shell 41 near the eyepiece 3. The suction ring 44 is a radially annular structure and always extends towards the eyepiece 3. The eyepiece 3 has a concave region 32 corresponding to the position of the suction ring 44. The concave region 32 is a corresponding annular structure, so that the suction ring 44 extends into the concave region 32 after protruding. The concave region 32 extends towards the side of the scope body 2, so that when the eye shield 4 moves towards the eyepiece 3, the suction ring 44 moves within the concave region 32. A ring magnet 33 is provided at the end position of the concave region 32 corresponding to the side of the eye shield 4. The suction ring 44 is ferromagnetic. During use, when aiming, the suction ring 44 and the magnet 33 are tightly attracted and connected, keeping the eye shield 4 fixed and preventing the eyepiece 3 from moving back and forth under the action of the spring 6 due to body shaking, which would affect observation and aiming. During firing, the instantaneous impact causes the magnet 33 to lose its fixation to the adsorption ring 44, and then the entire goggles 4 moves toward the eyepiece 3, thus achieving a cushioning function.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A night vision sight, characterized in that: The scope includes an objective lens, a scope body, and an eyepiece arranged sequentially from front to back. The scope body contains optical elements and night vision elements. The scope body is a cylindrical structure with openings at both ends, and its diameter is smaller than that of the objective lens and the eyepiece. It is connected to the objective lens and the eyepiece respectively using conical connectors. A connecting seat is also provided at the bottom of the scope body. An eye shield is also provided on the eyepiece. The eye shield is a cylindrical structure coaxial with the eyepiece. One end of the eye shield is movably connected to the eyepiece, and the other end is provided with a non-prescription plano glass. The eyepiece and the eye shield are elastically connected. When the eye shield is moved towards the eyepiece side by force, it can rebound and return to its original position under elastic action. The eye shield can only move axially relative to the eyepiece.

2. The night vision sight as described in claim 1, characterized in that: The goggles have an outer shell and an inner shell that are coaxially fitted on one side of the eyepiece. There is a gap between the outer shell and the inner shell to form a circular receiving cavity. The thickness of the receiving cavity matches the thickness of the outer shell of the eyepiece, so that the end of the eyepiece can be inserted into the receiving cavity, thereby allowing the goggles to slide relative to the eyepiece.

3. A night vision sight as described in claim 2, characterized in that: The cavity is also equipped with a ring spring that surrounds the inner shell, with its two ends connected to the end face of the eyepiece and the inner end face of the cavity, respectively.

4. A night vision sight as described in claim 2, characterized in that: The portion of the eyepiece located within the receiving cavity is also provided with a protruding limiting strip, which is parallel to the axial direction of the eyepiece. The outer shell or inner shell is provided with a sliding groove on the side corresponding to the limiting strip, which is parallel to the axial direction of the outer shell or inner shell, so that the limiting strip is precisely engaged in the sliding groove and restricts the eyepiece and the goggles to move only relative to the axial direction.

5. A night vision sight as described in claim 2, characterized in that: A protruding suction ring is provided on the end face of the inner or outer shell near the eyepiece. The suction ring is a radially annular structure that always extends toward the eyepiece. The eyepiece has a concave region corresponding to the position of the suction ring. The concave region is a corresponding annular structure, so that the protruding suction ring extends into the concave region. The concave region extends toward the side of the scope body, so that when the eye shield moves toward the eyepiece, the suction ring moves within the concave region. A ring-shaped magnet is provided at the end position of the concave region corresponding to the side of the eye shield. The suction ring is ferromagnetic.

6. A night vision sight as described in claim 1, characterized in that: The goggles also have a ring-shaped cushioning pad on the side of the goggles away from the eyepiece.

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