CN211603715U

CN211603715U - Binocular infrared ray night-time vision device based on helmet

Info

Publication number: CN211603715U
Application number: CN201821086048.9U
Authority: CN
Inventors: 赖莉萍; 邓慧; 郭勇; 廖无瑕; 张万智涵
Original assignee: Chengdu Technological University CDTU
Current assignee: Chengdu Technological University CDTU
Priority date: 2018-06-30
Filing date: 2018-06-30
Publication date: 2020-09-29
Anticipated expiration: 2028-06-30

Abstract

The utility model relates to a night vision equipment technical field, concretely relates to binocular infrared ray night-time vision device based on helmet. The helmet comprises a storage cavity at the top of the helmet, wherein a night vision device is arranged in the storage cavity, a clockwork spring is arranged at the end part of the storage cavity, the middle part of the clockwork spring is penetrated through by a first support shaft, two ends of the first support shaft are connected with the storage cavity, a connecting belt and a ratchet wheel are further arranged on the first support shaft, a pawl is arranged below the ratchet wheel, and the connecting belt is connected with the night vision device; the night vision device comprises a night vision device shell, wherein an infrared transmitting tube, a first lens cone and a second lens cone are arranged in the night vision device shell, and an objective lens, a photoelectric cathode, a microchannel plate, a display screen and an adjusting mechanism are arranged in the first lens cone and the second lens cone. The utility model discloses a set up at the top of helmet and accomodate the chamber, accomodate into the night-time vision device at ordinary times and accomodate the chamber, during the use with the lug that holds night-time vision device shell top down pull out accomodate the chamber can. Can realize accomodating fast and opening of night-time vision device, and can finely tune the height of interpupillary distance and lens-barrel.

Description

Binocular infrared ray night-time vision device based on helmet

Technical Field

The utility model relates to a night vision equipment technical field, concretely relates to binocular infrared ray night-time vision device based on helmet.

Background

Night vision devices are important devices for people to move at night, and play an important role in military and civil use. Traditional night-time vision device only is provided with a lens cone, the condition on one side can only be observed to the during operation people, then this night-time vision device can not satisfy the work demand when the wider condition of needs observation area, and traditional night-time vision device does not set up the helmet, the during operation needs the manual work to hold the night-time vision device and observes, when the during operation needs other tasks of manual doing, then people can't use this night-time vision device, and traditional night-time vision device does not set up the lens sheath, the object mirror face is easily scraped the flower after the live time has been long, lead to unable continuation of use, people's demand can not be satisfied.

In order to solve the above problems, the chinese utility model patent with publication number CN205920271U and publication number 20170201 discloses a small binocular helmet digital night vision device, which comprises a first lens rod, an infrared ray device, a helmet, a second lens rod and a photoelectric cathode, wherein an objective lens is installed on the left side of the first lens rod and the second lens rod, the infrared ray device is installed above the first lens rod and the second lens rod, an infrared ray transmitting tube is installed on the outer wall of the left side of the infrared ray device, the helmet is connected with the infrared ray device through a fixing block, a guide rail is arranged on the outer wall of the left side of the helmet, the guide rail is connected with a slide block in a sliding manner, the slide block is fixed on the right side of the fixing block, the second lens rod is connected with a lens-protecting sleeve through a silk belt, the lens-protecting sleeve is arranged below the second lens rod, a switch is installed on the outer wall of the infrared ray device, the outer wall of the helmet is covered with an, the photoelectric cathode is arranged inside the second mirror rod.

Night-time vision device among this technical scheme installs on the helmet when using, need take off when not using and carry in addition, has increased and has carried the burden.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a binocular infrared ray night-time vision device based on helmet to the problem that exists among the prior art, can directly set up the night-time vision device on the helmet, can open fast when needing to use the night-time vision device, when not using, can accomodate fast, and can finely tune the height of interpupillary distance and lens cone.

In order to realize the purpose, the utility model discloses a technical scheme be:

a binocular infrared night vision device based on a helmet comprises a containing cavity arranged at the top of the helmet, wherein an extensible and retractable night vision device is arranged in the containing cavity, a clockwork spring is arranged at the end part of the containing cavity, the outer side of the clockwork spring is fixedly connected with the top of the containing cavity, the middle part of the clockwork spring is penetrated by a first support shaft and is fixedly connected with the first support shaft, two ends of the first support shaft are rotatably connected with the side wall of the containing cavity, a connecting belt and a ratchet wheel are further sleeved on the first support shaft, a pawl with one end fixed and the other end capable of moving up and down is arranged below the ratchet wheel, and the pawl is meshed with the ratchet wheel; the connecting band is connected with the night vision device; the night vision device comprises a night vision device shell, wherein an infrared transmitting tube, a first lens cone and a second lens cone which are arranged side by side are arranged in the night vision device shell, an objective lens, a photocathode, a microchannel plate and a display screen are sequentially arranged in the first lens cone and the second lens cone, and adjusting mechanisms are arranged below the first lens cone and the second lens cone.

The outer side wall of the night vision device shell is provided with a convex block, the top wall of the containing cavity is provided with a convex block sliding groove, the convex block is arranged in the convex block sliding groove, and the height of the convex block is higher than that of the top wall of the containing cavity.

The fixed end of the pawl is connected with a fifth support shaft through a bearing, the fifth support shaft is fixed on a sixth support plate, and the sixth support plate is fixedly arranged at the top of the helmet; the sixth supporting plate is further provided with a fourth supporting shaft, an eighth gear is arranged at the end of the fourth supporting shaft, the eighth gear and the sixth supporting plate are parallel to each other and are arranged on two sides of the pawl respectively, an oval groove is formed in the side wall of the eighth gear, a second connecting rod is arranged below the pawl, and the end of the second connecting rod is arranged in the oval groove in the side wall of the eighth gear. (ii) a The second connecting rod is perpendicular to the pawl, and the fifth supporting shaft and the second connecting rod are arranged at two ends of the pawl respectively.

One side of the eighth gear is provided with an upright post, the upright post is provided with a sixth gear and a seventh gear, and the bottom of the upright post is rotatably connected with the top of the helmet through a bearing; the seventh gear is meshed with the eighth gear; the sixth gear is meshed with the rack, the rack is arranged at the end part of the push rod, the push rod penetrates through the side wall of the containing cavity and is in sliding connection with the side wall of the containing cavity, and a limiting block is arranged on the push rod between the rack and the side wall of the containing cavity; the end part of the push rod, which is positioned in the containing cavity, is provided with a rack, the end part of the push rod, which is positioned outside the containing cavity, is provided with a button, and a return spring is arranged between the button and the outer wall of the containing cavity. The seventh gear 214 and the eighth gear 207 are both helical gears.

The both sides of night-time vision device shell are provided with the night-time vision device slider, accomodate and are provided with the night-time vision device spout on the lateral wall in chamber, and the night-time vision device slider sets up in the night-time vision device spout.

The accommodating cavity is arc-shaped and has the same radian as the top of the helmet, and the night vision device sliding groove and the night vision device sliding block are arc-shaped and have the same radian as the accommodating cavity.

The adjusting mechanism comprises a first gear, a first supporting plate, a first screw, a second supporting plate, a second gear, a first knob, a first connecting rod, a third gear, a second knob, a third screw, a second supporting shaft, a fourth gear, a third supporting shaft, a fifth gear, a third supporting plate, a nut, a fourth supporting plate and a fifth supporting plate; the first support plate is arranged below the first lens cone, the second support plate is arranged below the second lens cone, threaded holes are formed in the first support plate and the second support plate, the first screw penetrates through the threaded hole in the first support plate to be in threaded connection with the first support plate, and the second screw penetrates through the threaded hole in the second support plate to be in threaded connection with the second support plate; the end part of the first screw is rotationally connected with the fourth supporting plate through a bearing, and a first gear is sleeved on the first screw between the fourth supporting plate and the first supporting plate; the end part of the second screw is rotatably connected with the fifth supporting plate through a bearing, and a second gear is sleeved on the second screw between the fifth supporting plate and the second supporting plate; the first gear is meshed with the third gear, the second gear is meshed with the fifth gear, the fourth gear is arranged between the third gear and the fifth gear, and the fourth gear is respectively meshed with the third gear and the fifth gear; the fourth supporting plate and the fifth supporting plate are respectively arranged at two ends of the third supporting plate, the first connecting rod penetrates through the third supporting plate and is connected with the third supporting plate through a bearing, the third gear and the first knob are respectively and fixedly arranged at two ends of the first connecting rod, a through hole for the first connecting rod to penetrate through is formed in the bottom wall of the shell of the night vision device, the first connecting rod penetrates through the shell of the night vision device, the first knob and the second knob are both arranged outside the shell of the night vision device, the fourth gear is fixed on the third supporting plate through a second supporting shaft, and the fifth gear is fixed on the third supporting plate through the third supporting shaft; the top of the third screw rod is connected with the third supporting plate through a bearing, the bottom of the third screw rod is fixedly connected with the second knob, the middle of the third screw rod penetrates through the nut to be in threaded connection with the nut, and the nut is fixedly connected with the bottom wall of the night vision device shell. The first screw rod is vertical to the fourth supporting plate, the first screw rod is vertical to the first gear, and the first screw rod is vertical to the first supporting plate; the second screw rod is vertical to the fifth supporting plate, the second screw rod is vertical to the second gear, and the second screw rod is vertical to the second supporting plate; the first gear, the second gear, the third gear, the fourth gear and the fifth gear are all helical gears, the first gear is perpendicular to the third gear, and the second gear is perpendicular to the fifth gear.

The side wall of the night vision device shell is provided with a through hole, two glass covers are arranged in the through hole and are respectively arranged in front of the first lens cone and the second lens cone, and the diameter of each glass cover is larger than that of the first lens cone and that of the second lens cone.

The third gear, the fourth gear and the fifth gear have the same diameter and are all arranged in the same plane.

Since the technical scheme is used, the beneficial effects of the utility model are that:

the utility model discloses a set up at the top of helmet and accomodate the chamber, accomodate into the night-time vision device at ordinary times and accomodate the chamber, during the use, with the hand held the lug at night-time shell top pull out accomodate the chamber can. The utility model discloses can realize accomodating fast and opening of night-time vision device, convenient and practical, and can finely tune the height of interpupillary distance and lens cone.

When the night vision device needs to be used, the lug at the top of the shell of the night vision device is held by a hand to be pulled downwards, in the pulling process, the shell of the night vision device drives the connecting belt to extend, the connecting belt drives the first supporting shaft to rotate in the extending process, the first supporting shaft drives the clockwork spring to store force, meanwhile, in the rotating process of the first supporting shaft, the ratchet wheel rotates, when the night vision device moves to a proper position, the pulling is stopped, the ratchet wheel is clamped by the pawl, the first supporting shaft is fixed, and the motion of the night vision device is stopped.

When the night vision device is used and needs to be collected into the containing cavity, the button is pressed by hands, the push rod is pushed to move by the button, the push rod is in the moving process, the rack at the end part drives the sixth gear to rotate, the sixth gear drives the stand column to rotate, the stand column drives the seventh gear to rotate, the seventh gear drives the eighth gear to rotate, the eighth gear rotates and simultaneously drives the second connecting rod to move downwards, the second connecting rod drives the pawl to rotate downwards around the fifth supporting shaft, so that the pawl is separated from the ratchet wheel, after the ratchet wheel loses the limitation of the pawl, the first supporting shaft rotates reversely under the elastic action of the clockwork spring, the connecting belt is wound on the first supporting shaft, the connecting belt drives the night vision device to move towards the containing cavity, and the automatic containing of the night. After the night-vision device is completely received in the receiving cavity, the button stops being pressed, the button moves outwards under the elastic action of the reset spring, the rack on the push rod drives the sixth gear to rotate reversely, then the seventh gear drives the seventh gear to rotate reversely, the seventh gear drives the eighth gear to rotate reversely, the eighth gear drives the second connecting rod to move upwards, the second connecting rod drives the pawl to rotate upwards around the fifth supporting shaft, and the pawl is meshed with the ratchet wheel again.

Due to the fact that the limiting mode of the pawl and the ratchet wheel is adopted, the height of the night vision device can be adjusted as required in the process of pulling the night vision device outwards, the pulling is stopped after the night vision device is pulled to a proper height, the ratchet wheel cannot rotate reversely under the elastic action of the spring, the pulling length of the night vision device can be flexibly controlled, and therefore the night vision device can correspond to the height of eyes more. Fine adjustment can also be performed when the display screen is found to be not in correspondence with the eye height during use of the night vision device. When the display screen is higher than the eyes, the lug can be pulled by hands again to reduce the height of the display screen; when the display screen is lower for eyes, can press the button gently with the hand, let first supporting shaft counter-rotation under clockwork spring's elasticity effect, will improve the height of display screen.

When the interpupillary distance needs to be adjusted, a first knob is rotated by a hand, the first knob drives a third gear to rotate through a connecting rod, the third gear drives a first gear to rotate, the first gear drives a first screw to rotate, and the first screw drives a first supporting plate to move left and right along the first screw; meanwhile, the third gear drives the fourth gear to rotate, the fourth gear drives the fifth gear to rotate, the fifth gear drives the second gear to rotate, the second gear drives the second screw to rotate, the second screw drives the second supporting plate to move left and right along the second screw, the moving directions of the first supporting plate and the second supporting plate are opposite, and the first lens cone and the second lens cone are driven to move left and right along with the movement of the first supporting plate and the second supporting plate, so that the pupil distance is adjusted.

When the height of the lens cone needs to be adjusted, the second knob is rotated by hands, the second knob drives the third screw rod to rotate, the third screw rod moves up and down along the nut while rotating, so that the third supporting plate is driven to move up and down, and the third supporting plate drives the first lens cone and the second lens cone to move up and down, so that the height of the lens cone is adjusted.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

FIG. 3 is a sectional view of the structure of the utility model in use;

fig. 4 is a front view of the present invention;

FIG. 5 is a cross-sectional view A-A of FIG. 2;

FIG. 6 is an enlarged view at B in FIG. 5;

FIG. 7 is a schematic view of a night vision device housing construction;

fig. 8 is a cross-sectional view C-C of fig. 7.

The labels in the figure are: 1. a helmet; 2. a receiving cavity; 3. a first support shaft; 4. a clockwork spring; 5. a connecting belt; 6. a night vision device chute; 7. a night vision device slider; 8. a bump; 9. a night vision device housing; 201. a button; 202. a return spring; 203. a limiting block; 204. a push rod; 205. a column; 206. a sixth gear; 207. an eighth gear; 208. a fourth support shaft; 209. a sixth support plate; 210. a fifth support shaft; 211. a pawl; 212. a second connecting rod; 213. a ratchet wheel; 214. a seventh gear; 901. an objective lens; 902. an infrared emission tube; 903. a photocathode; 904. a microchannel plate; 905. a lens barrel; 906. a display screen; 907. a glass cover; 908. a first gear; 909. a first support plate; 910. a first screw; 911. a second screw; 912. a second support plate; 913. a second gear; 914. a first knob; 915. a first connecting rod; 916. a third gear; 917. a second knob; 918. a third screw; 919. a second support shaft; 920. a fourth gear; 921. a third support shaft; 922. a fifth gear; 923. a third support plate; 924. a nut; 925. a second barrel; 926. a fourth support plate; 927. and a fifth support plate.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "vertical", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the utility model is usually placed when using, or the orientation or positional relationship that a person skilled in the art usually understands, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As a preferred embodiment of the present invention, referring to the accompanying drawings 1 to 8 of the specification, the present embodiment discloses a binocular infrared night vision device based on a helmet, and the present embodiment includes:

a binocular infrared night vision device based on a helmet comprises a containing cavity 2 arranged at the top of the helmet 1, wherein a telescopic night vision device is arranged in the containing cavity 2, a clockwork spring 4 is arranged at the end part of the containing cavity 2, the outer side of the clockwork spring 4 is fixedly connected with the top of the containing cavity 2, the middle part of the clockwork spring 4 is penetrated by a first support shaft 3 and is fixedly connected with the first support shaft 3, two ends of the first support shaft 3 are rotatably connected with the side wall of the containing cavity 2, a connecting belt 5 and a ratchet wheel 213 are further sleeved on the first support shaft 3, a pawl 211 with one end fixed and the other end capable of moving up and down is arranged below the ratchet wheel 213, and the pawl 211 is meshed with the ratchet wheel 213; the connecting band 5 is connected with a night vision device; the night vision device comprises a night vision device shell 9, an infrared emission tube 902, a first lens cone 905 and a second lens cone 925 are arranged in the night vision device shell 9, the first lens cone 905 and the second lens cone 925 are arranged side by side, an objective 901, a photocathode 903, a microchannel plate 904 and a display screen 906 are sequentially arranged in the first lens cone 905 and the second lens cone 925, and adjusting mechanisms are arranged below the first lens cone 905 and the second lens cone 925.

Be provided with lug 8 on the lateral wall of night-time vision device shell 9, be provided with the lug spout on the roof of accomodating chamber 2, lug 8 sets up in the lug spout, and lug 8 highly is higher than the roof of accomodating chamber 2.

The fixed end of the pawl 211 is connected with a fifth support shaft 210 through a bearing, the fifth support shaft 210 is fixed on a sixth support plate 209, and the sixth support plate 209 is fixedly arranged at the top of the helmet 1; a fourth support shaft 208 is further arranged on the sixth support plate 209, an eighth gear 207 is arranged at the end of the fourth support shaft 208, the eighth gear 207 and the sixth support plate 209 are parallel to each other and are respectively arranged at two sides of the pawl 211, an oval groove is arranged on the side wall of the eighth gear 207, a second connecting rod 212 is arranged below the pawl 211, and the end of the second connecting rod 212 is arranged in the oval groove on the side wall of the eighth gear 207. (ii) a The second connecting rod 212 is perpendicular to the pawl 211, and the fifth support shaft 210 and the second connecting rod 212 are respectively disposed at both ends of the pawl 211.

One side of the eighth gear 207 is provided with a vertical column 205, the vertical column 205 is provided with a sixth gear 206 and a seventh gear 214, and the bottom of the vertical column 205 is rotatably connected with the top of the helmet 1 through a bearing; the seventh gear 214 meshes with the eighth gear 207; the sixth gear 206 is meshed with a rack, the rack is arranged at the end of the push rod 204, the push rod 204 penetrates through the side wall of the accommodating cavity 2 and is in sliding connection with the side wall of the accommodating cavity 2, and a limit block 203 is arranged on the push rod 204 between the rack and the side wall of the accommodating cavity 2; the end of the push rod 204 in the containing cavity 2 is provided with a rack, the end outside the containing cavity 2 is provided with a button 201, and a return spring 202 is arranged between the button 201 and the outer wall of the containing cavity 2. The seventh gear 214 and the eighth gear 207 are both helical gears.

Night-vision device slider 7 is provided with on the both sides of night-vision device shell 9, is provided with night-vision device spout 6 on the lateral wall of accomodating chamber 2, and night-vision device slider 7 sets up in night-vision device spout 6.

The accommodating cavity 2 is arc-shaped and has the same radian as the top of the helmet, and the night vision device sliding groove 6 and the night vision device sliding block 7 are both arc-shaped and have the same radian as the accommodating cavity 2.

The adjusting mechanism comprises a first gear 908, a first support plate 909, a first screw 910, a second screw 911, a second support plate 912, a second gear 913, a first knob 914, a first connecting rod 915, a third gear 916, a second knob 917, a third screw 918, a second support shaft 919, a fourth gear 920, a third support shaft 921, a fifth gear 922, a third support plate 923, a nut 924, a fourth support plate 926 and a fifth support plate 927; the first support plate 909 is arranged below the first lens barrel 905, the second support plate 912 is arranged below the second lens barrel 925, threaded holes are formed in the first support plate 909 and the second support plate 912, the first screw 910 penetrates through the threaded hole in the first support plate 909 to be in threaded connection with the first support plate 909, and the second screw 911 penetrates through the threaded hole in the second support plate 912 to be in threaded connection with the second support plate 912; the end of the first screw 910 is rotatably connected to a fourth support plate 926 through a bearing, and a first gear 908 is sleeved on the first screw 910 between the fourth support plate 926 and the first support plate 909; the end of the second screw 911 is rotatably connected with the fifth support plate 927 through a bearing, and a second gear 913 is sleeved on the second screw 911 between the fifth support plate 927 and the second support plate 912; the first gear 908 is meshed with the third gear 916, the second gear 913 is meshed with the fifth gear 922, the fourth gear 920 is disposed between the third gear 916 and the fifth gear 922, and the fourth gear 920 is meshed with the third gear 916 and the fifth gear 922, respectively; the fourth supporting plate 926 and the fifth supporting plate 927 are respectively arranged at two ends of the third supporting plate 923, the first connecting rod 915 passes through the third supporting plate 923, the first connecting rod 915 is connected with the third supporting plate 923 through a bearing, the third gear 916 and the first knob 914 are respectively fixedly arranged at two ends of the first connecting rod 915, a through hole for the first connecting rod 915 to pass through is arranged on the bottom wall of the night vision device housing 9, the first connecting rod 915 passes through the night vision device housing 9, the first knob 914 and the second knob 917 are both arranged outside the night vision device housing 9, the fourth gear 920 is fixed on the third supporting plate 923 through a second supporting shaft 919, and the fifth gear 922 is fixed on the third supporting plate 923 through a third supporting shaft 921; the top of the third screw 918 is connected to the third support plate 923 through a bearing, the bottom is fixedly connected to the second knob 917, the middle of the third screw 918 passes through the nut 924 to be connected to the nut 924, and the nut 924 is fixedly connected to the bottom wall of the night vision housing 9. The first screw 910 is perpendicular to the fourth support plate 926, the first screw 910 is perpendicular to the first gear 908, and the first screw 910 is perpendicular to the first support plate 909; the second screw 911 is perpendicular to the fifth support plate 927, the second screw 911 is perpendicular to the second gear 913, and the second screw 911 is perpendicular to the second support plate 912; the first gear 908, the second gear 913, the third gear 916, the fourth gear 920 and the fifth gear 922 are all helical gears, the first gear 908 and the third gear 916 are perpendicular to each other, and the second gear and the fifth gear 922 are perpendicular to each other.

The side wall of the night vision device shell 9 is provided with through holes, two glass covers 907 are arranged in the through holes, the two glass covers 907 are respectively arranged in front of the first lens barrel 905 and the second lens barrel 925, and the diameter of each glass cover 907 is larger than that of the first lens barrel 905 and that of the second lens barrel 925.

The third gear 916, the fourth gear 920 and the fifth gear 922 have the same diameter and are all disposed in the same plane.

A battery for power supply and a controller for processing are also provided in the night vision device housing 9. The infrared transmitting tube 902 is connected to an infrared ray device which is disposed in the night vision device housing 9.

The lengths of the night vision device sliding groove 6 and the night vision device sliding block 7 are larger than that of the night vision device shell 9, the bottom of the night vision device sliding block 7 is flush with the bottom of the night vision device shell 9, and the height of the top of the night vision device sliding block 7 is higher than that of the top of the night vision device shell 9. After the night vision device shell 9 completely slides out of the accommodating cavity 2, a part of the top of the night vision device sliding block 7 is still positioned in the night vision device sliding groove 6, so that the situation that the night vision device shell 9 shakes when in use is prevented.

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

Example 9

The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.

Claims

1. A binocular infrared ray night-time vision device based on helmet which characterized in that: the night vision device comprises a containing cavity (2) arranged at the top of a helmet (1), wherein a telescopic night vision device is arranged in the containing cavity (2), a clockwork spring (4) is arranged at the end part of the containing cavity (2), the outer side of the clockwork spring (4) is fixedly connected with the top of the containing cavity (2), the middle part of the clockwork spring (4) is penetrated by a first support shaft (3) and is fixedly connected with the first support shaft (3), the two ends of the first support shaft (3) are rotatably connected with the side wall of the containing cavity (2), a connecting belt (5) and a ratchet wheel (213) are further sleeved on the first support shaft (3), a pawl (211) with one end fixed and the other end capable of moving up and down is arranged below the ratchet wheel (213), and the pawl (211) is meshed with the ratchet wheel (213); the connecting band (5) is connected with the night vision device; the night vision device comprises a night vision device shell (9), an infrared emission tube (902) and two first lens cones (905) and two second lens cones (925) which are arranged side by side are arranged in the night vision device shell (9), an objective lens (901), a photoelectric cathode (903), a micro-channel plate (904) and a display screen (906) are sequentially arranged in the first lens cone (905) and the second lens cone (925), and adjusting mechanisms are arranged below the first lens cone (905) and the second lens cone (925).

2. The helmet-based binocular infrared night vision device of claim 1, wherein: the night vision device is characterized in that a convex block (8) is arranged on the outer side wall of the night vision device shell (9), a convex block sliding groove is formed in the top wall of the containing cavity (2), the convex block (8) is arranged in the convex block sliding groove, and the height of the convex block (8) is higher than that of the top wall of the containing cavity (2).

3. The helmet-based binocular infrared night vision device of claim 1, wherein: the fixed end of the pawl (211) is connected with a fifth support shaft (210) through a bearing, the fifth support shaft (210) is fixed on a sixth support plate (209), and the sixth support plate (209) is fixedly arranged at the top of the helmet (1); a fourth supporting shaft (208) is further arranged on the sixth supporting plate (209), an eighth gear (207) is arranged at the end of the fourth supporting shaft (208), the eighth gear (207) and the sixth supporting plate (209) are parallel to each other and are respectively arranged on two sides of the pawl (211), an oval groove is formed in the side wall of the eighth gear (207), a second connecting rod (212) is arranged below the pawl (211), and the end of the second connecting rod (212) is arranged in the oval groove in the side wall of the eighth gear (207).

4. The helmet-based binocular infrared night vision device of claim 3, wherein: an upright post (205) is arranged on one side of the eighth gear (207), a sixth gear (206) and a seventh gear (214) are arranged on the upright post (205), and the bottom of the upright post (205) is rotatably connected with the top of the helmet (1) through a bearing; the seventh gear (214) is meshed with the eighth gear (207); the sixth gear (206) is meshed with the rack, the rack is arranged at the end of the push rod (204), the push rod (204) penetrates through the side wall of the accommodating cavity (2) and is in sliding connection with the side wall of the accommodating cavity (2), and a limit block (203) is arranged on the push rod (204) between the rack and the side wall of the accommodating cavity (2); the end part of the push rod (204) located in the containing cavity (2) is provided with a rack, the end part located outside the containing cavity (2) is provided with a button (201), and a return spring (202) is arranged between the button (201) and the outer wall of the containing cavity (2).

5. The helmet-based binocular infrared night vision device of claim 2, wherein: night-vision device sliders (7) are arranged on two sides of the night-vision device shell (9), a night-vision device sliding groove (6) is formed in the side wall of the accommodating cavity (2), and the night-vision device sliders (7) are arranged in the night-vision device sliding groove (6).

6. The helmet-based binocular infrared night vision device of claim 5, wherein: the accommodating cavity (2) is arc-shaped and has the same radian as the top of the helmet, and the night vision device sliding groove (6) and the night vision device sliding block (7) are arc-shaped and have the same radian as the accommodating cavity (2).

7. The helmet-based binocular infrared night vision device of claim 1, wherein: the adjusting mechanism comprises a first gear (908), a first supporting plate (909), a first screw (910), a second screw (911), a second supporting plate (912), a second gear (913), a first knob (914), a first connecting rod (915), a third gear (916), a second knob (917), a third screw (918), a second supporting shaft (919), a fourth gear (920), a third supporting shaft (921), a fifth gear (922), a third supporting plate (923), a nut (924), a fourth supporting plate (926) and a fifth supporting plate (927); the first supporting plate (909) is arranged below the first lens barrel (905), the second supporting plate (912) is arranged below the second lens barrel (925), threaded holes are formed in the first supporting plate (909) and the second supporting plate (912), the first screw (910) penetrates through the threaded hole in the first supporting plate (909) to be in threaded connection with the first supporting plate (909), and the second screw (911) penetrates through the threaded hole in the second supporting plate (912) to be in threaded connection with the second supporting plate (912); the end part of the first screw rod (910) is rotationally connected with a fourth supporting plate (926) through a bearing, and a first gear (908) is sleeved on the first screw rod (910) between the fourth supporting plate (926) and a first supporting plate (909); the end part of the second screw rod (911) is rotatably connected with the fifth supporting plate (927) through a bearing, and a second gear (913) is sleeved on the second screw rod (911) between the fifth supporting plate (927) and the second supporting plate (912); the first gear (908) is meshed with the third gear (916), the second gear (913) is meshed with the fifth gear (922), the fourth gear (920) is arranged between the third gear (916) and the fifth gear (922), and the fourth gear (920) is respectively meshed with the third gear (916) and the fifth gear (922); the fourth supporting plate (926) and the fifth supporting plate (927) are respectively arranged at two ends of the third supporting plate (923), the first connecting rod (915) penetrates through the third supporting plate (923), the first connecting rod (915) is connected with the third supporting plate (923) through a bearing, the third gear (916) and the first knob (914) are respectively and fixedly arranged at two ends of the first connecting rod (915), the fourth gear (920) is fixed on the third supporting plate (923) through a second supporting shaft (919), and the fifth gear (922) is fixed on the third supporting plate (923) through a third supporting shaft (921); the top of the third screw rod (918) is connected with a third support plate (923) through a bearing, the bottom of the third screw rod is fixedly connected with a second knob (917), and the middle of the third screw rod (918) penetrates through the nut (924) to be in threaded connection with the nut (924).

8. The helmet-based binocular infrared night vision device of claim 7, wherein: the night vision device comprises a night vision device shell (9), wherein the night vision device shell is characterized in that through holes are formed in the side wall of the night vision device shell (9), two glass covers (907) are arranged in the through holes and are respectively arranged in front of a first lens barrel (905) and a second lens barrel (925), and the diameter of each glass cover (907) is larger than that of the first lens barrel (905) and that of the second lens barrel (925).

9. The helmet-based binocular infrared night vision device of claim 7, wherein: the third gear (916), the fourth gear (920) and the fifth gear (922) are the same in diameter and are all arranged in the same plane.