CN220691191U

CN220691191U - Night vision device and night vision device assembly

Info

Publication number: CN220691191U
Application number: CN202322234606.9U
Authority: CN
Inventors: 刘珍
Original assignee: Shenzhen Shihuan Photoelectric Co ltd
Current assignee: Shenzhen Shihuan Photoelectric Co ltd
Priority date: 2023-08-20
Filing date: 2023-08-20
Publication date: 2024-03-29
Anticipated expiration: 2033-08-20

Abstract

The embodiment of the utility model provides a night vision device and a night vision device assembly, wherein the night vision device comprises a shell, an ocular lens assembly, a display assembly, a photoelectric conversion assembly, an objective lens assembly and a reflecting assembly, and the shell is provided with an inner cavity, a light inlet end and an ocular lens end; the light reflecting component is arranged in the inner cavity and comprises a light reflecting unit, the light reflecting unit is arranged between the light inlet end and the objective lens component and reflects the light entering the light inlet end to the light receiving unit of the objective lens component; the objective lens component is arranged in the inner cavity and comprises a light receiving unit, and the objective lens component is used for transmitting received light rays to the photoelectric conversion component; the photoelectric conversion component is arranged in the inner cavity and is used for carrying out photoelectric conversion on the light rays transmitted by the objective lens component, processing the electric signals obtained after conversion and transmitting the processed electric signals to the display component; the display component is arranged in the inner cavity and used for displaying according to the electric signals; the eyepiece component is arranged at the eyepiece end and is used for watching the content displayed by the display component by human eyes. Solves the technical problem of overlong existing night vision devices.

Description

Night vision device and night vision device assembly

Technical Field

The utility model relates to the field of night vision devices, in particular to a night vision device and a night vision device assembly.

Background

With advances in night vision technology and the popularity of equipment, night vision devices are widely used to observe wild animals in field adventure. Night time is the peak time of many animal activities, but in dark environments, they are difficult for the unaided human eye to observe, and the appearance of night vision devices changes this situation.

The prior night vision device has long night vision device, especially after the white light aiming is installed, the length is lengthened by one step, and the aiming is inconvenient because the ocular, the objective, the display screen and the photoelectric sensor are arranged side by side and the light path is in a straight line.

Disclosure of Invention

The embodiment of the utility model provides a night vision device and a night vision device assembly, which solve the technical problem that the existing night vision device is overlong.

In order to solve the technical problems, the embodiment of the utility model provides a night vision device, which comprises a shell, an ocular component, a display component, a photoelectric conversion component, an objective component and a reflecting component, wherein,

the shell is provided with an inner cavity, a light inlet end and an eyepiece end; the light inlet end is positioned at the front end of the shell and is communicated with the inner cavity; the eyepiece end is positioned at the rear end of the shell and is communicated with the inner cavity;

the light reflecting component is arranged in the inner cavity and comprises a light reflecting unit, and the light reflecting unit is arranged between the light inlet end and the objective lens component and is used for reflecting light entering the light inlet end to a light receiving unit of the objective lens component;

the objective lens component is arranged in the inner cavity, comprises the light receiving unit and is used for transmitting received light rays to the photoelectric conversion component;

the photoelectric conversion component is arranged in the inner cavity and is used for carrying out photoelectric conversion on the light transmitted by the objective lens component, processing the electric signal obtained after conversion and transmitting the processed electric signal to the display component;

the display component is arranged in the inner cavity and used for displaying according to the electric signals;

the eyepiece component is arranged at the eyepiece end and is used for enabling human eyes to watch the content displayed by the display component.

The embodiment of the utility model also provides a night vision device assembly, which comprises the night vision device and a connecting device, wherein the connecting device comprises a hollow sleeve, a screw and a movable fastener,

the sleeve comprises a front end cylinder body and a rear end cylinder body, the front end cylinder body is communicated with the rear end cylinder body, the rear end cylinder body is matched with the light inlet end of the night vision device, and the front end cylinder body is used for sleeving second external equipment;

the front end cylinder body is provided with a first notch parallel to the axis direction of the cylinder body, and the first notch penetrates through the front end cylinder body along the axis direction of the cylinder body;

two sides of the first notch are respectively provided with a fixed seat, and screw holes are symmetrically formed in the two fixed seats;

the screw comprises a nut and a stud connected with the nut; the diameter of the screw cap is larger than the aperture of the screw hole, and a first through hole or a first rotating shaft is arranged at one end of the stud far away from the screw cap; the studs penetrate through screw holes symmetrically arranged on the two fixing seats, and the first through holes or the first rotating shafts and the nuts are respectively positioned on two sides of the two fixing seats;

the movable fastener comprises a handheld part arranged at a first end, a second rotating shaft or a second through hole arranged at a second end, and a connecting part arranged at a middle end; the second rotating shaft is matched with the first through hole, or the second through hole is matched with the first rotating shaft;

the screw is used for primarily tightening or releasing the first notch, and the movable fastener is used for driving one end of the stud far away from the nut to further tighten or release the first notch by rotating the handheld part.

Advantageous effects

According to the night vision device and the night vision device assembly, the night vision device is provided with the light reflecting assembly, the light reflecting assembly comprises the light reflecting unit, the light reflecting unit is arranged between the light inlet end and the objective lens assembly and reflects light entering the light inlet end to the light receiving unit of the objective lens assembly, due to the existence of the light emitting assembly, the light inlet end and the light receiving unit of the objective lens assembly do not need to be arranged side by side, an included angle can be formed between the light inlet surface of the light receiving unit and the light outlet surface of the light inlet end, the light path is turned by the light reflecting unit, the length of the night vision device is shortened, and meanwhile, the night vision device is more flexible to assemble.

Additional features and corresponding advantages of the utility model will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the utility model.

Drawings

Fig. 1 is a schematic diagram of a night vision device according to a first embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a night vision device according to a first embodiment of the present utility model;

FIG. 3 is an exploded view of a night vision device assembly according to a first embodiment of the present utility model;

FIG. 4 is a schematic view of a connecting device in a tightened state of a movable fastener according to a first embodiment of the present utility model;

FIG. 5 is a schematic view of a connecting device in a released state of a movable fastener according to a first embodiment of the present utility model;

fig. 6 is a partial enlarged view of a connection device according to a first embodiment of the present utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the following detailed description of the embodiments of the present utility model is given with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Embodiment one:

the following describes the embodiments of the present utility model in further detail. The embodiment of the utility model provides a night vision device, which mainly comprises: the device comprises a shell, an ocular component, a display component, a photoelectric conversion component, an objective component and a reflecting component, wherein,

the objective lens component is arranged in the inner cavity and comprises a light receiving unit, and the objective lens component is used for transmitting received light rays to the photoelectric conversion component;

the photoelectric conversion component is arranged in the inner cavity and is used for carrying out photoelectric conversion on the light rays transmitted by the objective lens component, processing the electric signals obtained after conversion and transmitting the processed electric signals to the display component;

the eyepiece component is arranged at the eyepiece end and is used for watching the content displayed by the display component by human eyes.

In some embodiments, the housing may be composed of upper and lower housings, or left and right housings may be assembled.

The light-in end is positioned at the front end of the shell, the eyepiece end is positioned at the rear end of the shell,

the light reflecting assembly includes a light reflecting unit and its auxiliary components including, but not limited to, mounting brackets and the like. The light reflecting unit includes, but is not limited to, a reflective mirror such as a total reflection prism.

The objective lens assembly includes a light receiving unit and its ancillary components including, but not limited to, a mounting bracket and the like. The light receiving unit includes, but is not limited to, a lens unit.

The photoelectric conversion assembly may include a photoelectric sensor and its ancillary components including, but not limited to, mounting brackets, circuitry, and the like.

The display assembly may include a display screen and its ancillary components including, but not limited to, mounting brackets, circuitry, and the like. In order to facilitate the observation of human eyes, the display screen can be arranged right opposite to the ocular.

The eyepiece assembly may include an eyepiece and its ancillary components including, but not limited to, a lens barrel and the like.

In some embodiments, the light incident surface of the light receiving unit and the light emergent surface of the light incident end form an included angle, and the light reflecting unit is disposed in the included angle, and the light reflecting surface of the light reflecting unit faces the light incident surface of the light receiving unit and the light emergent surface of the light incident end. Compared with the mode that the light incident surface of the light receiving unit and the light emergent surface of the light incident end are arranged in parallel in the existing night vision device, the length of the night vision device is shortened, and meanwhile, the light path is turned by means of the light reflecting unit, so that the night vision device is more flexible to assemble.

In some embodiments, the light incident surface of the light receiving unit is located above or below the light reflecting surface of the light reflecting unit, and the light emitting surface of the light incident end is located in front of the light reflecting surface of the light reflecting unit, and the light incident surface of the light receiving unit and the light emitting surface of the light incident end form 90 degrees. The light receiving unit is perpendicular to the light inlet end, so that the light path turns by 90 degrees. For example, the light incident surface of the light receiving unit is perpendicular to the horizontal plane, the light emergent surface of the light incident end is parallel to the horizontal plane, and the light reflecting unit can be arranged at an angle of 45 degrees with the horizontal plane.

In some embodiments, the night vision device further comprises an anti-reflection component, wherein the anti-reflection component is arranged in the inner cavity, the anti-reflection component comprises an anti-reflection unit and an auxiliary component thereof, and the anti-reflection unit is arranged between the light inlet end and the light reflecting unit and is arranged in parallel with the light inlet end. Anti-reflection units include, but are not limited to, anti-reflection glass sheets. In some embodiments, the anti-reflection unit is disposed close to the light emitting surface of the light incident end.

Light entering the light inlet end sequentially passes through the anti-reflection unit, the light receiving unit and the photoelectric sensor, is converted into an electric signal by the photoelectric sensor, and then is transmitted to the display screen, and the human eyes watch through an eyepiece assembly arranged at the eyepiece end.

In some embodiments, the night vision device further comprises a ranging unit, a light supplementing unit, a laser unit, an external connection unit and/or a battery mounting unit, wherein the ranging unit, the light supplementing unit and the laser unit are arranged at the front end of the shell and are communicated with the inner cavity, and a battery mounted in the battery mounting unit is connected from the inner cavity to obtain power supply; the external connection unit is arranged at the upper end or the lower end of the shell and is used for being matched with and installed with third external equipment; the battery mounting unit is arranged on the side face of the shell and communicated with the inner cavity for mounting the battery. The individual units and/or components are connected inline in the lumen.

The distance measuring unit can be used for measuring the distance between the target object and the target object; the light supplementing unit can be used for night vision light supplementing; the laser unit comprises, but is not limited to, a laser lamp, and can be used for rapidly locking a target in a short distance; the external connection unit includes, but is not limited to, a guide rail, and can be extended to connect with other external devices, such as a flashlight. The battery mounted in the battery mounting unit may be used to power other units and/or components in the night vision device.

In some embodiments, the ranging unit and the light supplementing unit may be disposed above the light incident end of the front end of the housing side by side; the laser unit may be disposed in an intermediate region above the ranging unit and the light supplementing unit. The area at the front end of the shell is reasonably and fully utilized, and the shell is attractive and practical.

The embodiment also provides a night vision device assembly, which mainly comprises the night vision device provided by the embodiment, and also comprises a connecting device, wherein the connecting device comprises a sleeve, a screw and a movable fastener,

the sleeve comprises a front end cylinder body and a rear end cylinder body, and the front end cylinder body is communicated with the rear end cylinder body;

the rear end cylinder body is matched and installed with the light inlet end of the night vision device;

the front end cylinder is used for sleeving second external equipment;

two sides of the first notch are respectively provided with a fixed seat, and the two fixed seats are respectively provided with screw holes;

the screw comprises a screw cap and a stud connected with the screw cap; the diameter of the screw cap is larger than the aperture of the screw hole, and a first through hole or a first rotating shaft is arranged at one end of the stud far away from the screw cap; the studs penetrate through screw holes symmetrically arranged on the two fixing seats, and the first through holes or the first rotating shafts and the nuts are respectively positioned on two sides of the two fixing seats;

the movable fastener comprises a handheld part arranged at the first end, a second rotating shaft or a second through hole arranged at the second end, and a connecting part arranged at the middle end; the second rotating shaft is matched with the first through hole, or the second through hole is matched with the first rotating shaft;

the screw is used for preliminarily tightening or releasing the first notch, and the movable fastener is used for driving one end of the stud far away from the nut to further tighten or release the first notch by rotating the handheld part.

The second external device includes, but is not limited to, a white light target. For good installation with the second external device, the second external device sleeved in the front end cylinder body is fixed by tightening the first notch.

The screw is used for preliminarily tightening or releasing the first notch, and the movable fastener is used for driving one end of the stud far away from the nut to further tighten or release the first notch by rotating the handheld part. For example, the eyepiece end of the white light sighting device is sleeved into the front end barrel, the nut is rotated first, the first notch is tightened preliminarily, the front end barrel and the white light sighting device are fixed preliminarily, the hand-held part of the movable fastener is rotated, and one end of the stud, which is far away from the nut, is driven to tighten the first notch further, so that the gap of the first notch is smaller, even no gap exists, and the eyepiece end of the white light sighting device can be firmly installed in the front end barrel.

The outer wall of the stud is matched with the inner wall of the screw hole, and the stud can move in and out of the screw holes symmetrically arranged on the two fixing seats under the drive of the rotating nuts.

The screws include, but are not limited to, socket head cap screws.

In some embodiments, the connection is a ring segment having an inner surface that mates with the outer surface of the front barrel, and when the hand piece is rotated downward, the connection of the ring segment mates with the outer surface of the front barrel.

The intermediate end of the movable fastener is disposed between the first end and the second end, connecting the first end and the second end. In some embodiments, the moveable fastener is an integrally formed structure.

In some embodiments, the fixing seat comprises a middle part parallel to the axial direction of the cylinder body and side parts which are respectively arranged at two ends of the middle part, are opposite to the first notch and are perpendicular to the middle part; the screw hole is provided in the middle portion.

In some embodiments, two of the side portions and the middle portion form a recess; the second rotating shaft and the first through hole or the second through hole and the first rotating shaft are matched and installed in the groove.

In some embodiments, the two holders may be integrally formed with the front-end barrel,

for example, two edges of the first notch extend outwards to form a fixing seat.

In some embodiments, the connecting device may further include a spacer disposed between the second end and the fixing base. In the release state of the movable fastener, friction damage to the fixed seat is avoided. The gasket may be a plastic gasket.

The connection between the front end barrel and the back end barrel includes, but is not limited to, the following:

in some embodiments, the front end barrel and the rear end barrel are of an integrally formed structure, a second notch is arranged between the front end barrel and the rear end barrel along the circumferential direction of the barrel, and the second notch is communicated with the first notch at an intersection. The intersection may be a middle region of the second notch along the circumferential direction of the barrel. The length of the second notch along the circumferential direction of the cylinder body can be about half of the circumference of the cylinder body of the front end cylinder body. The front end barrel can be greater than the rear end barrel along the width of barrel axis direction, and the front end barrel is bigger than the width of rear end barrel, can further avoid using screw and movable fastener to tighten up the operation to first breach when operating, to the influence of rear end barrel.

In other embodiments, the front end barrel has a diameter greater than the rear end barrel, and the front end barrel is sleeved on the rear end barrel avoiding the first notch. The first notch is avoided to be used as a free end, the screw and the movable fastener are reserved for tightening and releasing the free end, for example, the rear end cylinder body can be clung to the inner wall of the front end cylinder body far away from the first notch, and the rear end cylinder body is sleeved in the front end cylinder body in a welding mode and the like. The front end barrel can be greater than the rear end barrel along the width of barrel axis direction, and the front end barrel is bigger than the width of rear end barrel, can further avoid using screw and movable fastener to tighten up the operation to first breach when operating, to the influence of rear end barrel.

In the above embodiment, the rear end cylinder is mounted in cooperation with the first external device, and the front end cylinder is mounted in cooperation with the second external device without mutual influence.

In some embodiments, the inner side wall of one of the rear end barrel and the light incident end of the night vision device is provided with a concave rail, and the outer side wall of the other one is provided with a convex hull; or, the outer side wall of one of the rear end cylinder and the light inlet end of the night vision device is provided with a concave rail, and the inner side wall of the other one is provided with a convex hull; the concave rail and the convex hull are matched and installed.

In some embodiments, the outer side wall of one of the rear end barrel and the light incident end of the night vision device is provided with a bolt assembly, and the outer side wall of the other is provided with a bolt hole, and the bolt assembly is matched and installed with the bolt hole.

In some embodiments, the night vision assembly may further comprise a white light target, the front end barrel being configured to be mounted in socket-and-spigot engagement with the white light target. The white light sighting device is mainly used for sheathing the eyepiece end of the white light sighting device into the front-end cylinder.

As an embodiment, as shown in fig. 1 and 2, there is provided a night vision device including a housing 111, an eyepiece assembly 112, a display assembly, a photoelectric conversion assembly, an objective lens assembly, a light reflecting assembly, a ranging unit 117, a light supplementing unit 118, a laser unit 119, an external connection unit 120, a battery mounting unit 121 and an anti-reflection assembly, wherein,

the housing 111 has an inner cavity 1111, a light entrance end 1112 and an eyepiece end 1113; the light inlet 1112 is located at the front end of the housing 111 and is in communication with the cavity 1111; eyepiece end 1113 is located at the rear end of housing 111 and communicates with lumen 1111.

The display component, the photoelectric conversion component, the objective lens component, the light reflecting component and the reflection enhancing component are disposed in the inner cavity 1111, the light reflecting component comprises a light reflecting unit 1161 and an auxiliary component (not shown in the figure), the objective lens component comprises a light receiving unit 1151 and an auxiliary component (not shown in the figure), the photoelectric conversion component can comprise a photoelectric sensor 1141 and an auxiliary component (not shown in the figure), the display component comprises a display screen 1131 and an auxiliary component (not shown in the figure), and the reflection enhancing component comprises a reflection enhancing unit 1221 and an auxiliary component (not shown in the figure).

An eyepiece assembly 112 is disposed at the eyepiece end, and the eyepiece assembly 112 may include an eyepiece and its ancillary components including, but not limited to, a lens barrel and the like.

The light incident surface of the light receiving unit 1151 is parallel to the horizontal plane, the light emitting surface of the light incident end 1112 is perpendicular to the horizontal plane, the light incident surface of the light receiving unit 1151 is 90 degrees to the light emitting surface of the light incident end 1112, the light receiving unit 1151 is located above the light reflecting unit 1161, the light incident end 1112 is located in front of the light reflecting unit 1161, the light reflecting unit 1161 is arranged at an angle of 45 degrees to the horizontal plane, and the light reflecting surface of the light reflecting unit 1161 faces the light emitting surface of the light incident end 1112 and the light incident surface of the light receiving unit 1151. The anti-reflection unit 1221 is disposed between the light incident end 1112 and the light reflecting unit 1161, parallel to the light emitting surface of the light incident end 1112, and closely attached to the light emitting surface of the light incident end 1112. The light reflecting unit 1161 reflects the light incident by the anti-reflection unit 1221 toward the light receiving unit 1151.

The light entering the light-in end 1112 sequentially passes through the anti-reflection unit 1221, the light reflection unit 1161, the light receiving unit 1151 and the photoelectric sensor 1141, is converted into an electric signal by the photoelectric sensor 1141, and then is transmitted to the display screen 1131, and the human eye views through the eyepiece assembly 112 mounted at the eyepiece end. In this embodiment, a 90 degree turn of the optical path is achieved.

The distance measuring unit 117 and the light supplementing unit 118 are arranged at the front end of the shell 111 side by side, above the light inlet end 1112, the laser unit 119 is arranged at the front end of the shell 111, and above the distance measuring unit 117 and the light supplementing unit 118, in the middle area

The distance measuring unit 117, the light supplementing unit 118 and the laser unit 119 are communicated with the inner cavity 1111, and a battery installed in the battery installation unit 121 is connected from the inner cavity 1111 to obtain power supply;

the external connection unit 120 is disposed at an upper end of the housing 111, and is configured to be mounted in cooperation with a third external device; the battery mounting unit 121 is provided at one side of the case 111 and communicates with the inner chamber 1111 for mounting a battery.

The ranging unit 117 may be used to test the distance to the target object; the light supplementing unit 118 can be used for night vision light supplementing; laser unit 119 includes, but is not limited to, a laser light, which can be used to rapidly lock targets in close proximity; the external connection unit 120 includes, but is not limited to, a guide rail, and may be extended to connect with other external devices, such as a flashlight. The battery mounted within the battery mounting unit 121 may be used to power other units and/or components in the night vision device.

As an embodiment, as shown in fig. 1, 2, 3, 4, 5 and 6, the present embodiment provides a night vision device assembly, including the night vision device shown in fig. 1 and 2, and further including a connection device including a sleeve having a hollow, an socket head cap screw, a movable fastener and a plastic gasket 24.

Wherein the sleeve comprises a front end cylinder 211 and a rear end cylinder 212, and the front end cylinder 211 is communicated with the rear end cylinder 212; the front end cylinder 211 and the rear end cylinder 212 are of an integral structure, the width of the front end cylinder 211 along the axial direction of the cylinder is larger than that of the rear end cylinder 212 along the axial direction of the cylinder, a second notch 213 along the circumferential direction of the cylinder is arranged between the front end cylinder 211 and the rear end cylinder 212, the second notch 213 is communicated with the first notch 2111 at an intersection, and the intersection is a middle area of the second notch 213 along the circumferential direction of the cylinder.

The rear end cylinder 212 is matched and installed with the light inlet end 1112 of the night vision device; the front end barrel 211 is used for sleeving a white light aiming.

The front end cylinder 211 has a first notch 2111 parallel to the cylinder axis direction, and the first notch 2111 penetrates the front end cylinder along the cylinder axis direction; a fixing seat 2112 is formed by extending outwards from two edges of the first notch 2111, the fixing seat 2112 comprises a middle part parallel to the axial direction of the cylinder body, and side parts which are respectively arranged at two ends of the middle part, are opposite to the first notch 2111 and are perpendicular to the middle part; the middle part is provided with screw holes (covered by nuts 221 and studs 222 in the figure).

The socket head cap screw comprises a nut 221 and a stud 222 connected with the nut 221, the diameter of the nut 221 is larger than that of a screw hole, and a first rotating shaft 223 is arranged at one end of the stud 222 far away from the nut 221; the studs 222 penetrate through the symmetrically arranged screw holes on the two fixing bases, and the nuts 221 and the first rotating shaft 223 are respectively positioned at two sides of the two fixing bases 2112.

The movable fastener includes a holding portion 231 disposed at the first end, a second through hole 232 disposed at the second end, and a connecting portion 233 disposed at the middle end. The movable fastener is of an integrated structure.

The two side portions and the middle portion of the fixing seat 2112 form a groove in which the second through hole 232 and the first rotation shaft 223 are fitted.

The connecting portion 233 is a ring segment having an inner surface adapted to the outer surface of the front end cylinder 211, when the hand-held portion 231 is rotated downward, the movable fastening member is in a tightened state, and as shown in fig. 4, when the hand-held portion 231 is rotated upward, the movable fastening member is in a released state, and the hand-held portion 231 and the connecting portion 233 are in a suspended state, as shown in fig. 5.

A plastic spacer 24 is disposed between the second end of the moveable fastener and the anchor 2112. In the released state of the movable fastener, the holding part 231 and the connecting part 233 are suspended, the second end of the movable fastener is leaning against the fixing seat 2112, and the plastic gasket 24 can avoid friction damage to the front end cylinder 211 caused by the second end of the movable fastener.

The first notch 2111 can be tightened or released by rotating the nut 221 of the socket head cap screw, and the movable fastener is used for further tightening or releasing the first notch 2111 by rotating the hand-hold portion 231 to drive the end of the stud 222 away from the nut 221.

The inner side wall of the rear end barrel 212 is provided with a concave rail 2121, the outer side wall of the light inlet end 1112 of the night vision device is provided with a convex hull 11121, and the concave rail 2121 and the convex hull 11121 are matched and installed.

The outer side wall of the light incident end 1112 of the night vision device is further provided with a plug assembly 11122, the outer side wall of the rear end barrel 212 is further provided with a plug hole 2122, and the plug assembly 11122 and the plug hole 2122 are mounted in a matched mode. Latch assembly 11122 includes, but is not limited to, those listed below, latch assembly 11122 may include: the locking piece, the spring and the slider, the one end of spring is contradicted with the lateral wall of income light end 1112, the other end is connected with the one end of slider, the one end of locking piece, the other end protrusion of slider is outside income light end 1112, be used for handheld stirring, can carry the spring to compress or release under stirring, the other end of locking piece is under the drive of spring, insert bolt hole 2122 under the spring release state, withdraw from in bolt hole 2122 under the spring compression state, for example, the user holds the other end of slider and dials backward, spring compression, the other end of locking piece withdraws from bolt hole 2122, realize unblanking, the other end of releasing the slider, the spring release, the other end of locking piece slides into bolt hole 2122 under the drive of spring, realize the locking.

The night vision device assembly may further include a white light aiming device, the front end cylinder 211 is used for being sleeved with an eyepiece end of the white light aiming device, the eyepiece end of the white light aiming device is sleeved into the front end cylinder 211, the nut 221 of the socket head cap screw is rotated to tighten the first notch 2111, preliminary fixing of the front end cylinder 211 and the white light aiming device is achieved, and then the hand-held portion 231 is pulled downwards to drive the stud 222 to further tighten the first notch 2111 away from one end of the nut 221, so that the white light aiming device is further fastened and installed.

According to the night vision device and the night vision device assembly, the night vision device is provided with the light reflecting assembly, the light reflecting assembly comprises the light reflecting unit, the light reflecting unit is arranged between the light inlet end and the objective lens assembly and reflects light entering the light inlet end to the light receiving unit of the objective lens assembly, due to the existence of the light emitting assembly, the light inlet end and the light receiving unit of the objective lens assembly do not need to be arranged side by side, an included angle can be formed between the light inlet surface of the light receiving unit and the light outlet surface of the light inlet end, the length of the night vision device is shortened, meanwhile, the light path is turned by the light reflecting unit, and the assembly is more flexible. The connecting device provided by the embodiment of the utility model can realize secondary fastening with the second external equipment through the cooperation among the sleeve, the screw and the movable fastener.

The foregoing is a further detailed description of embodiments of the utility model in connection with the specific embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims

1. A night vision device is characterized by comprising a shell, an ocular component, a display component, a photoelectric conversion component, an objective component and a reflecting component, wherein,

2. The night vision device of claim 1, wherein the light incident surface of the light receiving unit forms an included angle with the light emergent surface of the light incident end, the light reflecting unit is disposed in the included angle, and the light reflecting surface of the light reflecting unit faces the light incident surface of the light receiving unit and the light emergent surface of the light incident end.

3. The night vision device of claim 2, wherein the light entrance surface of the light receiving unit is located above or below the light reflection surface of the light reflecting unit, the light exit surface of the light entrance end is located in front of the light reflection surface of the light reflecting unit, and the light entrance surface of the light receiving unit is 90 degrees with the light exit surface of the light entrance end.

4. The night vision device of claim 1, further comprising an anti-reflection assembly disposed in the interior cavity, the anti-reflection assembly comprising an anti-reflection unit disposed between the light entrance end and the light reflection unit, and the anti-reflection unit disposed proximate the light exit surface of the light entrance end.

5. The night vision device of any one of claims 1-4, further comprising a ranging unit, a light supplementing unit, a laser unit, an external connection unit, and/or a battery mounting unit, wherein,

the distance measuring unit, the light supplementing unit and the laser unit are arranged at the front end of the shell, are communicated with the inner cavity, and are connected with a battery arranged in the battery mounting unit from the inner cavity so as to obtain power supply;

the external connection unit is arranged at the upper end or the lower end of the shell and is used for being matched with third external equipment;

the battery mounting unit is arranged on the side face of the shell, communicated with the inner cavity and used for mounting a battery.

6. The night vision device of claim 5, wherein the ranging unit and the light supplementing unit are arranged above the light incident end of the front end of the housing side by side; the laser unit is arranged in the middle area above the distance measuring unit and the light supplementing unit.

7. Night vision device assembly, comprising a night vision device according to any of claims 1-6, further comprising a connection device comprising a sleeve having a hollow, a screw and a movable fastener, wherein,

8. The night vision device assembly of claim 7, wherein the connection is a ring segment having an inner surface that mates with an outer surface of the front barrel.

9. The night vision device assembly of claim 7, wherein the attachment device further comprises a spacer disposed between the second end and the mounting base.

10. The night vision device assembly of any one of claims 7-9, wherein the front end barrel and the rear end barrel are of an integrally formed structure, a second notch is formed between the front end barrel and the rear end barrel along the circumferential direction of the barrel, and the second notch is communicated with the first notch at an intersection;

or, the diameter of the front end cylinder body is larger than that of the rear end cylinder body, and the front end cylinder body is sleeved with the rear end cylinder body by avoiding the first notch.