A fast positioning low-light night vision digital sight

Abstract

The invention discloses a fast positioning low-light-level night vision digital sight, comprising: a low-light-level night vision digital sight body, the bottom surface of which is installed with a support frame; a fixing mechanism, which is arranged on the outer wall of the low-light-level night vision digital sight body, and comprises a mounting assembly and an upper clamping component. The fast positioning low-light level night vision digital sight can install and disassemble the fixing mechanism by rotating a threaded rod, so that the user can adjust it according to his / her own usage, and avoids storing the protective cover separately. The motor is decelerated by a worm gear, so that the operator can judge the predetermined position of the screw nut conveniently, so as to make the moving position of the screw nut more accurate. With the help of the cooperation between the upper clamping component and the lower clamping component, the damage to the smart phone can be effectively avoided, and the effects of shooting and recording are more in line with the user's expectations.

Description

Technical Field

[0001] The invention belongs to the technical field of sight auxiliary devices, in particular to a fast positioning low-light-level night vision digital sight. Background Art

[0002] The main function of an optical sight is to use an optical lens to form an image, so that the target image and the aiming line overlap on the same focal plane. Even if the eyes are slightly offset, it will not affect the aiming point. Usually, optical sights can magnify the image multiples, and there are also those that do not. The magnifying scopes can be divided into two categories: fixed magnifications and adjustable magnifications. For example, 4x28 refers to a scope with an objective lens diameter of 28 mm and a fixed magnification of 4 times, and 3-9x40 refers to a scope with an objective lens of 40 mm and an adjustable magnification from 3 times to 9 times. The main function of an optical sight is to use an optical lens to form an image, so that the target image and the aiming line overlap on the same focal plane. Even if the eyes are slightly offset, it will not affect the aiming point. Usually, optical sights can magnify the image multiples, and there are also those that do not. Magnification scopes can be divided into two categories: fixed or adjustable. For example, 4x28 refers to a scope with an objective lens diameter of 28 mm and a fixed magnification of 4 times, while 3-9x40 refers to a scope with an objective lens of 40 mm and an adjustable magnification from 3x to 9x.

[0003] The existing low-light-level night vision digital sights have become increasingly popular, not only for military use, but also for daily life. When users use digital sights for observation, they often want to use their mobile phones to take pictures and record videos of the observed scenes or images. The existing digital sights are often produced with a fixing ring on the outer wall of the input end of the digital sight, and then a fixing clip is installed on the fixing ring. Users need to fix the mobile phone with the fixing clip. Since the shapes of smartphones are different and the camera positions of smartphones are also different, it is difficult for users to fix the smartphones. At the same time, due to the added fixing ring and fixing clip, the protective cover of the digital sight cannot be hung on the digital sight, which makes it easy to lose it. Moreover, the hanging fixing ring and fixing clip will also affect the user's observation experience. When the smartphone is clamped by the fixing clip, the fixing clip requires a large force to fix it, which makes it easy for the fixing clip to cause damage to the smartphone. Summary of the invention

[0004] The purpose of the present invention is to install and disassemble the fixing mechanism by rotating the threaded rod, so that the user can adjust it according to his own usage, and avoid storing the protective cover separately. The motor is decelerated by the worm gear, which is convenient for the operator to judge the predetermined position of the lead screw nut, so as to make the moving position of the lead screw nut more accurate. With the help of the cooperation between the upper and lower clamping parts and the lower clamping part, damage to the smart phone can be effectively avoided. The effects of shooting and video recording are more in line with the user's expectations. At the same time, the operation of adjusting the shooting angle is simpler and easy for the user to operate.

[0005] The technical solution adopted by the present invention is as follows: a fast positioning low-light-level night vision digital sight, comprising: a low-light-level night vision digital sight body, the bottom surface of which is equipped with a support frame; a fixing mechanism, which is arranged on the outer wall of the low-light-level night vision digital sight body, the fixing mechanism comprises a mounting assembly and an upper clamping component, the mounting assembly is arranged on the outer wall of the low-light-level night vision digital sight body, the mounting assembly comprises a mounting sleeve and a partition plate, the mounting sleeve is movably mounted on the outer wall of the low-light-level night vision digital sight body, and the partition plate is fixedly connected to the inner wall of the mounting sleeve. The upper clamping component is arranged on the outer wall of the mounting sleeve, and the upper clamping component includes an upper placement ring, multiple upper clamping springs and multiple clamping blocks. The upper placement ring is slidably connected to the outer surface of one side of the mounting sleeve, and the multiple upper clamping springs are fixedly connected to the inner wall of the upper placement ring, and one end of the multiple upper clamping springs is fixedly connected to the clamping block; and a moving mechanism, the moving mechanism includes three fastening components and a moving assembly, the fastening component is arranged inside the mounting sleeve, and is used to fix the fixing mechanism, and the moving assembly is arranged inside the mounting sleeve, and is used to cooperate with the upper clamping component.

[0006] Among them, the three fastening components all include a movable plate, a threaded rod and a fastening spring. The movable plate is slidably connected to the inner wall of the mounting sleeve, the threaded rod is fixedly connected to the top end of the movable plate, the threaded rod passes through the mounting sleeve, the fastening spring is sleeved on the outer wall of the threaded rod, the bottom end of the fastening spring is fixedly connected to the top surface of the movable plate, and the top end of the fastening spring is fixedly connected to the inside of the mounting sleeve.

[0007] Among them, the moving assembly includes a moving mounting plate, a screw rod, a limiting plate, a first bevel gear, a screw rod nut and a lower clamping component, the moving mounting plate is fixedly connected to the outer wall of the partition plate, the screw rod is rotatably connected to the outer surface of one side of the moving mounting plate, the limiting plate is movably sleeved on the outer wall of the screw rod, and one end of the limiting plate is fixedly connected to the outer surface of one side of the partition plate, the first bevel gear is fixedly connected to one end of the screw rod, the screw rod nut is sleeved on the outer wall of the screw rod, the mounting plate is fixedly connected to the outer surface of one side of the screw rod nut, and the lower clamping component is fixedly connected to the outer surface of one side of the mounting plate, which is used to adjust the position of the upper clamping component.

[0008] Among them, the moving assembly also includes a No. 1 rotating shaft, a worm, a second bevel gear, a No. 2 rotating shaft, a worm wheel and a motor. The No. 1 rotating shaft is rotatably connected to an inner wall of one side of the moving mounting plate, the worm is sleeved on the outer wall of the No. 1 rotating shaft, the second bevel gear is fixedly connected to one end of the No. 1 rotating shaft, and the second bevel gear is meshed with the first bevel gear, the No. 2 rotating shaft is rotatably connected to an outer wall of one side of the partition plate, the worm wheel is sleeved on the outer wall of the No. 2 rotating shaft, and the worm wheel and the worm are meshed, and the motor is installed on an outer wall of one side of the partition plate.

[0009] Among them, the lower clamping component includes a lower placing ring, multiple lower clamping springs and multiple friction blocks. The lower placing ring is fixedly connected to the outer surface of one side of the mounting plate, and the multiple lower clamping springs are all fixedly connected to the inner wall of the lower placing ring, and one end of the multiple lower clamping springs is fixedly connected to a friction block.

[0010] Wherein, the output end of the motor and the outer wall of the second rotating shaft are both sleeved with synchronous wheels, and the two synchronous wheels are connected by a synchronous belt transmission.

[0011] Wherein, the bottom surface of the installation sleeve is fixedly connected to a limiting sleeve, the bottom of the limiting sleeve is fixedly connected to a connecting piece, and the bottom surface of the connecting piece is fixedly connected to a threaded sleeve.

[0012] Wherein, the inner thread of the threaded sleeve is connected with a support rod, and the bottom surface of the support rod is fixedly connected with a cushion block.

[0013] Wherein, a plurality of sliding grooves are provided on an inner wall of one side of the installation sleeve and an outer wall of one side of the partition plate, and a through groove is provided on an outer surface of one side of the installation sleeve.

[0014] Wherein, both side outer surfaces of the three movable sheets are fixedly connected with limiting blocks, and one end of each threaded rod is fixedly connected with a hand-turned wheel.

[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0016] (1) In the present invention, the fixing mechanism is set on the low-light-level night vision digital sight body by putting the installation sleeve on the input end of the low-light-level night vision digital sight body and then rotating the threaded rod, so that the fixing mechanism can be installed and removed by the user according to the needs of the user, and the protective cover can be directly hung on the bottom of the low-light-level night vision digital sight body without being stored separately. At the same time, after removing the fixing mechanism, the user can also observe by himself without causing negative impact on the observation operation.

[0017] (2) In the present invention, the second rotating shaft is driven to rotate by the motor, and the worm wheel and the worm are engaged with each other to decelerate the speed provided by the motor, thereby reducing the speed of the screw, thereby reducing the moving speed of the screw nut, and facilitating the operator to judge the predetermined position of the screw nut, so that the moving position of the screw nut is more accurate, and the shooting effect is improved. The lower clamping spring, friction block, upper clamping spring, and clamping block are used for fixing. At the same time, due to the large number of fixing parts, the force applied by a single fixing part is reduced, which can effectively protect the safety of the smartphone. At the same time, according to different smartphone models, the position of the camera will also be different. By adjusting the different positions of the smartphone in the upper clamping part and the lower clamping part, the camera is placed in the working position, and then shooting and recording are performed through the smartphone. The shooting and recording effects are more in line with the user's expectations. At the same time, the operation of adjusting the shooting angle is simpler and easy for the user to operate.

[0018] (3) In the present invention, by rotating the support rod, the support rod will move up and down due to the restriction of the threaded sleeve, so as to adapt to different terrains and prevent the low-light night vision digital sight body from tipping over due to unstable center of gravity. Under the connection of the connecting plate and the threaded sleeve, a shorter support rod can meet the longer support requirements, saving production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A perspective view of the present invention;

[0020] Figure 2 is a rear perspective view of the present invention;

[0021] Figure 3 is a side perspective view of the present invention;

[0022] Figure 4 A three-dimensional diagram of the installation assembly of the present invention;

[0023] Figure 5 is a three-dimensional view of the interior of the installation assembly of the present invention;

[0024] Figure 6 For the present invention Figure 5 Enlarged view of point A in the middle;

[0025] Figure 7 is a three-dimensional diagram of the fastening component of the present invention;

[0026] Figure 8 A three-dimensional diagram of the installation sleeve of the present invention;

[0027] Fig. 9 A partial cross-sectional view of a lower clamping member of the present invention;

[0028] Fig.10 It is a partial cross-sectional view of the upper clamping component of the present invention.

[0029] Markings in the figure: 1. Low-light-level night vision digital sight body; 2. Mounting assembly; 201. Mounting sleeve; 202. Partition plate; 3. Upper clamping component; 301. Upper placement ring; 302. Upper clamping spring; 303. Clamping block; 4. Moving mechanism; 5. Fastening component; 501. Moving sheet; 502. Threaded rod; 503. Fastening spring; 6. Moving assembly; 601. Moving mounting plate; 602. Screw rod; 603. Limiting plate; 604. First bevel gear; 605. Screw nut; 606. No. 1 rotating shaft; 607. Worm; 608. Second bevel gear; 609. No. 2 rotating shaft; 610. Worm wheel; 611. Motor; 7. Lower clamping component; 701. Lower placement ring; 702. Lower clamping spring; 703. Friction block; 8. Limiting sleeve; 9. Connecting piece; 10. Threaded sleeve; 11. Support rod. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0031] Embodiment 1, refer to Figure 1-10A fast positioning low-light-level night vision digital sight, comprising: a low-light-level night vision digital sight body 1, the bottom surface of which is provided with a support frame; a fixing mechanism, which is arranged on the outer wall of the low-light-level night vision digital sight body 1, and the fixing mechanism comprises a mounting assembly 2 and an upper clamping component 3, the mounting assembly 2 is arranged on the outer wall of the low-light-level night vision digital sight body 1, the mounting assembly 2 comprises a mounting sleeve 201 and a partition plate 202, and the mounting sleeve 201 is movably mounted on the low-light-level night vision digital sight The outer wall of the sight body 1 and the partition plate 202 are fixedly connected between the inner walls of the mounting sleeve 201, the upper clamping component 3 is arranged on the outer wall of the mounting sleeve 201, and the upper clamping component 3 includes an upper placement ring 301, a plurality of upper clamping springs 302 and a plurality of clamping blocks 303, the upper placement ring 301 is slidably connected to the outer surface of one side of the mounting sleeve 201, the plurality of upper clamping springs 302 are fixedly connected to the inner wall of the upper placement ring 301, and one end of the plurality of upper clamping springs 302 is fixedly connected to the clamping block 303;The movable mechanism 4 includes three fastening components 5 and a moving assembly 6. The fastening component 5 is arranged inside the mounting sleeve 201 and is used to fix the fixing mechanism. The moving assembly 6 is arranged inside the mounting sleeve 201 and is used to cooperate with the upper clamping component 3. The three fastening components 5 include a movable sheet 501, a threaded rod 502 and a fastening spring 503. The movable sheet 501 is slidably connected to the inner wall of the mounting sleeve 201. The threaded rod 502 is fixedly connected to the top of the movable sheet 501. The threaded rod 502 penetrates the mounting sleeve 201. The fastening spring 503 The outer wall of the threaded rod 502 is sleeved, the bottom end of the fastening spring 503 is fixedly connected to the top surface of the movable sheet 501, the top end of the fastening spring 503 is fixedly connected to the inside of the mounting sleeve 201, the inner wall of one side of the mounting sleeve 201 and the outer wall of one side of the partition plate 202 are both provided with a plurality of slide grooves, the outer surface of one side of the mounting sleeve 201 is provided with a through groove, the outer surfaces of both sides of the three movable sheets 501 are fixedly connected with limiting blocks, and one end of each threaded rod 502 is fixedly connected with a hand wheel. By sleeve the mounting sleeve 201 in the mounting assembly 2 on the low-light night vision digital sight body 1 input end, then rotate the threaded rod 502 to move the three movable pieces 501 toward the center, so that the fixing mechanism is set on the low-light night vision digital sight body 1. At the same time, since both sides of the movable piece 501 are provided with limiting blocks, and the limiting blocks and the slide groove cooperate with each other, the movable piece 501 will not rotate but move linearly. While the threaded rod 502 penetrates the outer wall of the mounting sleeve 201, the threaded rod 502 and the mounting sleeve 201 are also connected by threads. Then, the smartphone is placed inside the upper clamping component 3, and the upper clamping spring 302 will provide thrust and fit the clamping block 303 and the surface of the smartphone, thereby greatly increasing the friction force and fixing it. The fixing mechanism can be removed by rotating the threaded rod 502 in the opposite direction. The user can freely choose whether to install or use the fixing mechanism, making the user's choice more diversified. The protective cover can be directly hung on the bottom of the low-light night vision digital sight body 1 without the need to be stored separately. At the same time, when the fixing mechanism is removed, the user can also observe by himself, which will not have a negative impact on the observation operation, making the user's choice more diversified. ;

[0032] Reference Figure 1-9:The moving assembly 6 includes a moving mounting plate 601, a screw rod 602, a limiting plate 603, a first bevel gear 604, a screw nut 605 and a lower clamping component 7. The moving mounting plate 601 is fixedly connected to the outer wall of the partition plate 202, the screw rod 602 is rotatably connected to the outer surface of one side of the moving mounting plate 601, the limiting plate 603 is movably sleeved on the outer wall of the screw rod 602, and one end of the limiting plate 603 is fixedly connected to the outer surface of one side of the partition plate 202, the first bevel gear 604 is fixedly connected to one end of the screw rod 602, the screw nut 605 is sleeved on the outer wall of the screw rod 602, the mounting sheet is fixedly connected to the outer surface of one side of the screw nut 605, and the lower clamping component 7 is fixedly connected to the outer surface of one side of the mounting sheet, which is used to adjust the upper clamping component 3 The position is adjusted, the moving assembly 6 also includes a first rotating shaft 606, a worm 607, a second bevel gear 608, a second rotating shaft 609, a worm wheel 610 and a motor 611, the first rotating shaft 606 is rotatably connected to an inner wall of one side of the moving mounting plate 601, the worm 607 is sleeved on the outer wall of the first rotating shaft 606, the second bevel gear 608 is fixedly connected to one end of the first rotating shaft 606, and the second bevel gear 608 is meshed with the first bevel gear 604, the second rotating shaft 609 is rotatably connected to an outer wall of one side of the partition plate 202, the worm wheel 610 is sleeved on the outer wall of the second rotating shaft 609, and the worm wheel 610 is meshed with the worm 607, the motor 611 is installed on the outer wall of one side of the partition plate 202, and the output end of the motor 611 is connected to the output end of the second rotating shaft 609 The outer walls are sleeved with synchronous wheels, and the two synchronous wheels are connected by synchronous belt transmission. The lower clamping component 7 includes a lower placement ring 701, a plurality of lower clamping springs 702 and a plurality of friction blocks 703. The lower placement ring 701 is fixedly connected to the outer surface of one side of the mounting plate, and the plurality of lower clamping springs 702 are fixedly connected to the inner wall of the lower placement ring 701. One end of the plurality of lower clamping springs 702 is fixedly connected to the friction block 703. By starting the motor 611, the motor 611 will drive the second rotating shaft 609 to start rotating through the transmission of the synchronous wheel and the synchronous belt. The rotating second rotating shaft 609 will drive the worm wheel 610 to rotate, and the worm wheel 610 and the worm 607 are engaged with each other, wherein the lead angle of the worm 607 is less than the equivalent friction between the meshing worm wheels 610. The friction angle, that is, there is no reverse self-locking between the worm wheel 610 and the worm 607, and at the same time, the speed provided by the motor 611 is decelerated, so that the rotation speed of the first shaft 606 is reduced, thereby reducing the rotation speed of the screw 602, thereby reducing the moving speed of the screw nut 605, and facilitating the operator to judge the predetermined position of the screw nut 605, so as to make the moving position of the screw nut 605 more accurate, and the upper end of the smartphone is placed in the upper clamping component 3, and the lower end of the smartphone is placed in the lower placement circle 701, and is fixed by means of the lower clamping spring 702, the friction block 703, the upper clamping spring 302, and the clamping block 303. At the same time, due to the large number of fixings, the force applied by a single fixing is reduced.It can effectively protect the safety of smart phones. The friction block 703 is a rubber block, which makes the fixing effect better. When the screw nut 605 moves, the smart phone will be driven to move. When the smart phone is connected, the upper clamping part 3 will also move along the screw nut 605. At the same time, the position of the camera will be different according to the different models of smart phones. By adjusting the different positions of the smart phone in the upper clamping part 3 and the lower clamping part 7, the camera is in the working position. Then, the smart phone is used to shoot and record. The shooting and recording effects are more in line with the user's expectations. At the same time, the operation of adjusting the shooting angle is simpler and easy for users to operate.

[0033] Reference Figure 1-3 : The bottom surface of the mounting sleeve 201 is fixedly connected with a limiting sleeve 8, the bottom of the limiting sleeve 8 is fixedly connected with a connecting piece 9, the bottom surface of the connecting piece 9 is fixedly connected with a threaded sleeve 10, the internal thread of the threaded sleeve 10 is connected with a support rod 11, and the bottom surface of the support rod 11 is fixedly connected with a cushion block. The low-light level night vision digital sight scope body 1 is lifted by the support frame. If a fixing mechanism is installed later, the center of gravity of the low-light level night vision digital sight scope body 1 will be unstable, which may easily cause rollover and damage the low-light level night vision digital sight scope body 1. By rotating the support rod 11, the support rod 11 will move up and down due to the limitation of the threaded sleeve 10, thereby adapting to different terrains, and also improving the safety of the low-light level night vision digital sight scope body 1. Under the connection of the connecting piece 9 and the threaded sleeve 10, the shorter support rod 11 can meet the longer support requirements, saving the production cost.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. Rapid positioning low light level night vision digital sight, characterized by: include: A low-light-level night-vision digital sight body (1), wherein a support frame is installed on the bottom surface of the low-light-level night-vision digital sight body (1); A fixing mechanism, wherein the fixing mechanism is arranged on the outer wall of a low-light-level night vision digital sight body (1), the fixing mechanism comprises a mounting assembly (2) and an upper clamping component (3), the mounting assembly (2) is arranged on the outer wall of the low-light-level night vision digital sight body (1), the mounting assembly (2) comprises a mounting sleeve (201) and a partition plate (202), the mounting sleeve (201) is movably mounted on the outer wall of the low-light-level night vision digital sight body (1), and the partition plate (202) is fixedly connected to the mounting sleeve (201). The upper clamping component (3) is arranged on the outer wall of the installation sleeve (201) between the inner walls, the upper clamping component (3) comprises an upper placement ring (301), a plurality of upper clamping springs (302) and a plurality of clamping blocks (303), the upper placement ring (301) is slidably connected to an outer surface of one side of the installation sleeve (201), the plurality of upper clamping springs (302) are all fixedly connected to the inner wall of the upper placement ring (301), and one end of the plurality of upper clamping springs (302) is all fixedly connected to a clamping block (303); and A moving mechanism (4), wherein the moving mechanism (4) comprises three fastening components (5) and a moving assembly (6), wherein the fastening component (5) is arranged inside the mounting sleeve (201) and is used to fix the fixing mechanism, wherein the moving assembly (6) is arranged inside the mounting sleeve (201) and is used to cooperate with the upper clamping component (3), wherein the moving assembly (6) comprises a moving mounting plate (601), a screw rod (602), a limiting plate (603), a first bevel gear (604), a screw rod nut (605) and a lower clamping The movable mounting plate (601) is fixedly connected to the outer wall of the partition plate (202); the screw rod (602) is rotatably connected to the outer surface of one side of the movable mounting plate (601); the limiting plate (603) is movably sleeved on the outer wall of the screw rod (602); one end of the limiting plate (603) is fixedly connected to the outer surface of one side of the partition plate (202); the first bevel gear (604) is fixedly connected to one end of the screw rod (602); the screw rod nut (605) is sleeved on the outer wall of the screw rod (602); The mounting plate (601) is fixedly connected to the outer surface of one side of the screw nut (605); the lower clamping member (7) is fixedly connected to the outer surface of one side of the mounting plate and is used to adjust the position of the upper clamping member (3); the moving assembly (6) further comprises a first rotating shaft (606), a worm (607), a second bevel gear (608), a second rotating shaft (609), a worm wheel (610) and a motor (611); the first rotating shaft (606) is rotatably connected to the inner wall of one side of the moving mounting plate (601); the worm (607) is rotatably connected to the inner wall ... moving mounting plate (601); the 07) is sleeved on the outer wall of the first rotating shaft (606), the second bevel gear (608) is fixedly connected to one end of the first rotating shaft (606), and the second bevel gear (608) is meshed with the first bevel gear (604), the second rotating shaft (609) is rotatably connected to the outer wall of one side of the partition plate (202), the worm gear (610) is sleeved on the outer wall of the second rotating shaft (609), and the worm gear (610) is meshed with the worm (607), and the motor (611) is installed on the outer wall of one side of the partition plate (202).

2. The fast positioning low-light-level night vision digital sight as claimed in claim 1, characterized in that: The three fastening components (5) each include a movable sheet (501), a threaded rod (502) and a fastening spring (503); the movable sheet (501) is slidably connected to the inner wall of the mounting sleeve (201); the threaded rod (502) is fixedly connected to the top end of the movable sheet (501); the threaded rod (502) passes through the mounting sleeve (201); the fastening spring (503) is sleeved on the outer wall of the threaded rod (502); the bottom end of the fastening spring (503) is fixedly connected to the top surface of the movable sheet (501); and the top end of the fastening spring (503) is fixedly connected to the inside of the mounting sleeve (201).

3. The fast positioning low light level night vision digital sight as claimed in claim 1, characterized in that: The lower clamping component (7) comprises a lower placement ring (701), a plurality of lower clamping springs (702) and a plurality of friction blocks (703); the lower placement ring (701) is fixedly connected to an outer surface of one side of the mounting plate; the plurality of lower clamping springs (702) are fixedly connected to an inner wall of the lower placement ring (701); and one end of the plurality of lower clamping springs (702) is fixedly connected to a friction block (703).

4. The fast positioning low light level night vision digital sight as claimed in claim 1, characterized in that: The output end of the motor (611) and the outer wall of the second rotating shaft (609) are both sleeved with synchronous wheels, and the two synchronous wheels are connected through a synchronous belt transmission.

5. The fast positioning low light level night vision digital sight as claimed in claim 1, characterized in that: The bottom surface of the installation sleeve (201) is fixedly connected to a limiting sleeve (8), the bottom of the limiting sleeve (8) is fixedly connected to a connecting piece (9), and the bottom surface of the connecting piece (3) is fixedly connected to a threaded sleeve (10).

6. The fast positioning low light level night vision digital sight as claimed in claim 5, characterized in that: The inner thread of the threaded sleeve (10) is connected to a support rod (11), and the bottom surface of the support rod (11) is fixedly connected to a cushion block.

7. The fast positioning low light level night vision digital sight as claimed in claim 1, characterized in that: A plurality of sliding grooves are provided on one inner wall of the installation sleeve (201) and one outer wall of the partition plate (202), and a through groove is provided on one outer surface of the installation sleeve (201).

8. The fast positioning low light level night vision digital sight as claimed in claim 2, characterized in that: The outer surfaces of both sides of the three movable plates (501) are fixedly connected with limiting blocks, and one end of each threaded rod (502) is fixedly connected with a hand wheel.

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