CN221079059U - Monocular night vision device with large-angle adjusting and quick-dismantling functions - Google Patents

Abstract

The utility model discloses a monocular night vision device with large-angle adjustment and quick-disassembly functions, which comprises a clamping groove frame used for being quickly disassembled and assembled with a bracket on a helmet, wherein a rotating mechanism capable of being horizontally adjusted by 180 degrees is fixed in the middle of the lower end face of the clamping groove frame, a fine-tuning mechanism is fixed at the free end of a rotating base I of the rotating mechanism, the free end of a fine-tuning rotating shaft of the fine-tuning mechanism is connected with the monocular night vision device through the quick-disassembly structure, the rotating mechanism can realize 180-degree adjustment of the monocular night vision device in the horizontal direction, the fine-tuning mechanism can realize fine-tuning of the angle of the monocular night vision device, and the quick-disassembly structure can realize quick-assembly and disassembly of the monocular night vision device. The utility model has simple structure, can realize the adjustment of 180 degrees of the monocular night vision device in the horizontal direction, can realize the fine adjustment of the angle of the monocular night vision device, and meets the requirements of different users; the monocular night vision device can be quickly installed on the bracket or quickly disassembled through the quick-disassembling structure.

Description

Monocular night vision device with large-angle adjusting and quick-dismantling functions

Technical Field

The utility model belongs to the technical field of monocular night vision devices, and relates to a monocular night vision device with large-angle adjustment and quick disassembly functions.

Background

The monocular night vision device in the prior art can be regulated by left and right eyes generally, but the angle regulated by left and right eyes is only regulated from the left eye position to the right eye position, if the monocular night vision device is temporarily regulated to be above eyes, the monocular night vision device cannot be regulated, unless the monocular night vision device is directly turned over to be above the head, so that the comfort of the monocular night vision device is poorer.

In addition, the monocular night vision device needs to be capable of being installed and detached rapidly, and therefore the monocular night vision device is more convenient and rapid.

Disclosure of Invention

Therefore, the utility model aims to provide a monocular night vision device with large-angle adjustment and quick disassembly functions.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a monocular night-vision device with wide-angle regulation and quick detach function, including the draw-in groove frame that is used for carrying out quick assembly disassembly with the support on the helmet, the lower terminal surface middle part of draw-in groove frame is fixed with the rotary mechanism that can level 180 degrees are adjusted, rotary mechanism's first free end of rotating base is fixed with fine setting mechanism, fine setting pivot free end of fine setting mechanism passes through quick detach structure and connects monocular night-vision device, rotary mechanism can realize the regulation of 180 degrees on the monocular night-vision device horizontal direction, fine setting mechanism can realize the fine setting to monocular night-vision device angle, quick detach structure can realize the quick installation and the dismantlement of monocular night-vision device.

Further, rotary mechanism includes the spacing seat of pivot, the spacing seat of pivot includes the spacing section of thick bamboo of drum structure, be provided with the connecting seat that is used for fixing on the lower terminal surface of draw-in groove frame on the outer circumference lateral wall of spacing section of thick bamboo, connecting seat and the integrative structure of spacing section of thick bamboo, rotary button's one end stretches into in the hole of axle sleeve one, rotary button is located through spring one fixed connection between the tip of axle sleeve one and the bottom of axle sleeve one, the one end of axle sleeve one inserts in the spacing section of thick bamboo, open threaded hole on the rotary button near rotary button bottom, open slotted hole on the axle sleeve one that corresponds with the threaded hole, slotted hole extends along the direction of axle sleeve one, open rotatory hole on the circumference wall that the last circumference wall that corresponds with the draw-in groove frame that is provided with of spacing section of thick bamboo, the shape that rotatory hole formed is U type structure, the opening of U type structure is towards rotary button's press the end, rotary hole includes a pair of rotatory slot hole corresponding with slotted hole, connect into an organic whole through rotatory circular arc hole between two rotatory slot hole in proper order, cooperate with threaded hole after passing rotatory hole in proper order the slotted hole.

Further, the two rotary long holes are symmetrically arranged relative to the axis of the limiting cylinder, and the two rotary long holes are on the same horizontal plane.

Further, the limiting cylinder is located between two side walls of the first rotating base, the first rotating base is a frame of a U-shaped structure, one side wall of the first rotating base is located between the free end of the first shaft sleeve and the limiting cylinder, a connecting plate integrated with one end portion of the first shaft sleeve is arranged at the free end of the first shaft sleeve, and the connecting plate is fixedly connected with the corresponding side wall of the first rotating base.

Further, fine setting mechanism includes rotating base two, rotating base two includes axle sleeve two, be provided with on the outer circumference lateral wall of axle sleeve two with axle sleeve two integrative connecting portion, the tip of connecting portion and rotating base one's mid portion fixed connection, axle sleeve two cooperatees with the fine setting pivot, the fine setting pivot is U type structure, the fine setting pivot includes the connecting block in the middle and two symmetrical changeing ear thereof, open on changeing the ear have with axle sleeve two's centre hole matched with through-hole, axle sleeve two is located between two changeing the ear, the one end of screw shaft passes in proper order changeing the ear, axle sleeve two and changeing behind the ear through the nut fixed.

Further, the quick detach structure includes fixed block and sliding block, the fixed block is used for fixing in the upper end of monocular night-vision device, the sliding block is the connecting block of fine setting pivot, fixed block and sliding block wedge cooperation, the lower extreme of sliding block is opened there is the wedge groove, the length direction in wedge groove is parallel with the axis of pivot, two lateral walls of the left and right directions of corresponding fixed block are for the shape with wedge groove matched with, open at the middle part of fixed block has the opening, the opening divide into two with the fixed block, the direction of seting up of opening is perpendicular with the fixed block, the connecting block is equipped with the slip stopper in the position department corresponding with the opening, the slip stopper is used for spacing connecting block and fixed block.

Further, the sliding limiting block comprises a limiting bar, one end of the limiting bar is provided with a limiting block integrated with the limiting bar, a through hole corresponding to the limiting bar is formed in the corresponding side wall of the corresponding connecting block and the limiting block, a through hole matched with the limiting bar is formed in the side wall of the connecting block on the other side, the end part of the limiting bar on the side is located outside the connecting block, a limiting groove I is formed in the upper end face of the limiting bar, which is close to the limiting bar, a limiting screw II is fixed to the position corresponding to the limiting groove I on the upper end face of the connecting block, the limiting screw II penetrates through the connecting block and then extends into the limiting groove I, a limiting groove II is formed in the upper end face of the limiting bar on the side part of the limiting groove I, a limiting pin protruding out of the upper end face of the limiting bar is fixed in the limiting groove II, a limiting groove III is formed in the upper wall of the connecting block through hole corresponding to the limiting groove II, a spring II is arranged between the limiting pin and the side wall of the limiting groove III, two ends of the spring II are fixedly connected with the limiting pin and the side wall of the limiting groove III respectively, in a compressed state when the spring II is in a natural state, the limiting screw II is in a compressed state under the compression force of the limiting screw II is abutted to the side of the side wall of the limiting bar on the side, which is close to the limiting groove I, and the side of the limiting bar is located at the side of the limiting block is close to the limiting block, and the sliding wedge is simultaneously.

Further, the stopper is of an inverted T-shaped structure.

The utility model has the beneficial effects that:

The utility model has simple structure, can realize the adjustment of 180 degrees of the monocular night vision device in the horizontal direction, can realize the fine adjustment of the angle of the monocular night vision device, and meets the requirements of different users; the monocular night vision device can be quickly installed on the bracket or quickly disassembled through the quick-disassembling structure.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of a rotary mechanism according to an embodiment of the present utility model;

Fig. 3 is a schematic structural view of a rotating base 2 according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a quick release structure according to an embodiment of the present utility model;

Fig. 5 is a schematic perspective view of a quick release structure according to an embodiment of the utility model.

Reference numerals illustrate:

1. A clamping groove frame; 2. a rotation mechanism; 21. rotating the first base; 22. a rotating shaft limiting seat; 221. a limiting cylinder; 2211. a rotation hole; 22111. a rotary long hole; 22112. rotating the circular arc hole; 222. a connecting seat; 23. rotating the button; 24. a first shaft sleeve; 241. a slotted hole; 25. a first limit screw; 3. a fine adjustment mechanism; 31. fine tuning the rotating shaft; 311. a connecting block; 3111. a limit groove III; 312. a rotating lug; 32. rotating the second base; 321. a second shaft sleeve; 33. a screw shaft; 34. a nut; 4. a quick-release structure; 41. a fixed block; 411. a notch; 42. a sliding limiting block; 421. a limit bar; 4211. a first limit groove; 4212. a limiting groove II; 422. a limiting block; 43. a second limit screw; 44. a limiting pin; 45. a second spring; 5. a monocular night vision device.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

As shown in the figure, the monocular night vision device with large-angle adjusting and quick-dismantling functions comprises a clamping groove frame 1 for quick-dismantling with a bracket on a helmet, a rotating mechanism 2 capable of being horizontally adjusted by 180 degrees is fixed in the middle of the lower end face of the clamping groove frame 1, a fine-tuning mechanism 3 is fixed at the free end of a rotating base 21 of the rotating mechanism 2, and the free end of a fine-tuning rotating shaft 31 of the fine-tuning mechanism 3 is connected with the monocular night vision device 5 through a quick-dismantling structure 4. The rotating mechanism 2 can realize 180-degree adjustment of the monocular night vision device 5 in the horizontal direction, the fine adjustment mechanism 3 can realize fine adjustment of the angle of the monocular night vision device 5, and the quick-dismantling structure 4 can realize quick installation and disassembly of the monocular night vision device 5.

The rotating mechanism 2 comprises a rotating shaft limiting seat 22, the rotating shaft limiting seat 22 comprises a limiting cylinder 221 with a cylindrical structure, a connecting seat 222 used for being fixed on the lower end face of the clamping groove frame 1 is arranged on the outer circumferential side wall of the limiting cylinder 221, and the connecting seat 222 and the limiting cylinder 221 are of an integral structure. The axis of the limiting cylinder 221 is parallel to the clamping groove frame 1. One end of the rotary button 23 extends into an inner hole of the first shaft sleeve 24, and the end of the rotary button 23 positioned in the first shaft sleeve 24 is fixedly connected with the bottom of the first shaft sleeve 24 through the first spring. One end of the first sleeve 24 is inserted into the stopper cylinder 221.

A threaded hole is formed in the rotary button 23 near the bottom of the rotary button 23, a long round hole 241 is formed in the first shaft sleeve 24 corresponding to the threaded hole, and the long round hole 241 extends along the direction of the first shaft sleeve 24. The limiting cylinder 221 is provided with a rotary hole 2211 on the circumferential wall corresponding to the circumferential wall provided with the clamping groove frame 1, the rotary hole 2211 is formed into a U-shaped structure, and the opening of the U-shaped structure faces to the pressing end of the rotary button 23. The rotation hole 2211 includes a pair of rotation long holes 22111 corresponding to the oblong holes 241, and the two rotation long holes 22111 are connected as a whole through a rotation circular arc hole 22112. The two long rotation holes 22111 are symmetrically arranged with respect to the axis of the limiting cylinder 221, and the two long rotation holes 22111 are on the same horizontal plane. The first limit screw 25 sequentially passes through the rotary hole 2211 and the oblong hole 241 and then is matched with the threaded hole.

In a natural state, the first spring is in a compressed state, at this time, the first limit screw 25 is abutted against the oblong hole 241 and the end part of the rotating long hole 22111 where the first limit screw is positioned, after the rotating button 23 is pressed to the bottom, the first limit screw 25 moves to the oblong hole 241 and the other end of the rotating long hole 22111, because the bottoms of the two rotating long holes 22111 are communicated through the rotating circular arc hole 22112, at this time, the first limit screw 23 can be rotated from one end to the other end along with the first shaft sleeve 24, after the first limit screw 25 is positioned in the other rotating long hole 22111, the rotating button 23 is loosened, at this time, the first limit screw 25 is abutted against the end parts of the oblong hole 241 and the rotating long hole 22111 again under the acting force of the first spring.

The limiting cylinder 221 is located between two side walls of the first rotating base 21, the first rotating base 21 is a frame with a U-shaped structure, one side wall of the first rotating base 21 is located between the free end of the first shaft sleeve 24 and the limiting cylinder 221, a connecting plate integrated with the end of the first shaft sleeve 24 is arranged at the free end of the first shaft sleeve 24, and the connecting plate is fixedly connected with the corresponding side wall of the first rotating base 21, so that the first rotating base 21 can rotate along with the rotation of the first shaft sleeve 24.

The fine adjustment mechanism 3 comprises a second rotating base 32, the second rotating base 32 comprises a second shaft sleeve 321, a connecting part integrated with the second shaft sleeve 321 is arranged on the outer circumferential side wall of the second shaft sleeve 321, and the end part of the connecting part is fixedly connected with the middle part of the first rotating base 21 through a screw. The second shaft sleeve 321 is matched with the fine adjustment rotating shaft 31, the fine adjustment rotating shaft 31 is of a U-shaped structure, the fine adjustment rotating shaft 31 comprises a middle connecting block 311 and two symmetrical rotating lugs 312, through holes matched with middle holes of the second shaft sleeve 321 are formed in the rotating lugs 312, and the second shaft sleeve 321 is located between the two rotating lugs 312. One end of the screw shaft 33 sequentially passes through the rotating lug 312, the second shaft sleeve 321 and the rotating lug 312 and is fixed by the nut 34. The screw shaft 33 and the nut 34 can fasten the second sleeve 321 and the fine adjustment rotating shaft 31, so that the second sleeve 321 and the fine adjustment rotating shaft 31 can rotate relatively if the second sleeve 321 and the fine adjustment rotating shaft 31 rotate with force, thereby realizing the fine adjustment of the angle of the rotating shaft.

The quick detach structure 4 includes fixed block 41 and sliding block, and fixed block 41 is used for fixing in the upper end of monocular night-vision device 5, and the sliding block is the connecting block 311 of pivot, and fixed block 41 and sliding block wedge fit, and the lower extreme of sliding block is opened there is the wedge groove, and the length direction in wedge groove is parallel with the axis of pivot, and two lateral walls of the left and right directions of corresponding fixed block 41 are with wedge groove matched with shape. The middle part of fixed block 41 is opened there is opening 411, and opening 411 divides fixed block 41 into two, and opening 411's the direction of opening is perpendicular with fixed block 41, and connecting block 311 is equipped with sliding stopper 42 in the position corresponding with opening 411.

The sliding limiting block 42 comprises a limiting bar 421, one end of the limiting bar 421 is provided with a limiting block 422 integrated with the limiting bar 421, the limiting block 422 is of an inverted T-shaped structure, a through hole corresponding to the limiting block 422 is formed in the corresponding side wall of the corresponding connecting block 311 and the corresponding side wall of the limiting block 422, a through hole matched with the limiting bar 421 is formed in the side wall of the connecting block 311 on the other side, and the end part of the limiting bar 421 on the side is located outside the connecting block 311.

The upper end face of the limit bar 421 close to the limit block 422 is provided with a first limit groove 4211, a second limit screw 43 is fixed on the upper end face of the connecting block 311 at a position corresponding to the first limit groove 4211, and the second limit screw 43 penetrates through the connecting block 311 and then extends into the first limit groove 4211. The upper end face of the limit bar 421 at the side part of the limit bar I4211 is provided with a limit bar II 4212, the limit bar I4211 and the limit bar II 4212 are arranged at intervals, a limit pin 44 protruding out of the upper end face of the limit bar 421 is fixed in the limit bar II 4212 near the tail end of the limit bar 421, the upper wall of the through hole of the connecting block 311 corresponding to the limit bar II 4212 is provided with a limit bar III 3111, a spring II 45 is arranged between the limit pin 44 and the side wall of the limit bar III 3111, and two ends of the spring II 45 are fixedly connected with the limit pin 44 and the side wall of the limit bar III 3111 respectively.

Under the natural state, the second spring 45 is in a compressed state, under the action of the compression force of the second spring 45, the second limiting screw 43 is abutted against the side wall of the first limiting groove 4211, which is close to one side of the limiting block 422, and meanwhile, the lower end of the limiting block 422 protrudes out of the wedge-shaped groove of the connecting block 311, at the moment, the fixed block 41 is limited by the limiting block 422, so that the connecting block 311 cannot slide on the fixed block 41, and the fixation between the fixed block 41 and the connecting block 311 is realized.

Pressing the tail end that spacing bar 421 is located the connecting block 311 outside, sliding stopper 42 slides this moment for stop screw two 43 and the another lateral wall butt of spacing groove one 4211, stopper 422 is located its through-hole that corresponds on connecting block 311 this moment, and stopper 422 releases the spacing to fixed block 41, sliding connection block 311 realizes the split with connecting block 311 and fixed block 41, has realized the quick detach function from this.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (8)

1. A monocular night vision device with wide-angle regulation and quick detach function, its characterized in that: including being used for carrying out quick assembly disassembly's draw-in groove frame (1) with the support on the helmet, the lower terminal surface middle part of draw-in groove frame (1) is fixed with rotary mechanism (2) that can level 180 degrees are adjusted, the free end of rotary mechanism's (2) rotating base one (21) is fixed with fine setting mechanism (3), the fine setting pivot (31) free end of fine setting mechanism (3) is through quick detach structure (4) connection monocular night-vision device (5), rotary mechanism (2) can realize the regulation of 180 degrees on monocular night-vision device (5) horizontal direction, fine setting mechanism (3) can realize the fine setting to monocular night-vision device (5) angle, quick detach structure (4) can realize the quick installation and the dismantlement of monocular night-vision device (5).

2. The monocular night vision device with large angle adjustment and quick release function of claim 1, wherein: the rotating mechanism (2) comprises a rotating shaft limiting seat (22), the rotating shaft limiting seat (22) comprises a limiting cylinder (221) with a cylindrical structure, a connecting seat (222) used for being fixed on the lower end face of the clamping groove frame (1) is arranged on the outer circumferential side wall of the limiting cylinder (221), the connecting seat (222) and the limiting cylinder (221) are of an integrated structure, one end of a rotating button (23) stretches into an inner hole of a first shaft sleeve (24), the end of the rotating button (23) positioned in the first shaft sleeve (24) is fixedly connected with the bottom of the first shaft sleeve (24) through a first spring, one end of the first shaft sleeve (24) is inserted into the limiting cylinder (221), a threaded hole is arranged on the rotary button (23) near the bottom of the rotary button (23), a slotted hole (241) is arranged on a shaft sleeve I (24) corresponding to the threaded hole, the slotted hole (241) extends along the direction of the shaft sleeve I (24), a rotary hole (2211) is arranged on a circumferential wall of the limiting cylinder (221) corresponding to the circumferential wall provided with the clamping groove frame (1), the rotary hole (2211) is formed into a U-shaped structure, an opening of the U-shaped structure faces to the pressing end of the rotary button (23), the rotary hole (2211) comprises a pair of rotary long holes (22111) corresponding to the slotted hole (241), the two rotary long holes (22111) are connected into a whole through a rotary arc hole (22112), the first limit screw (25) sequentially passes through the rotary hole (2211) and the oblong hole (241) and then is matched with the threaded hole.

3. The monocular night vision device with large angle adjustment and quick release function of claim 2, wherein: the two rotary long holes (22111) are symmetrically arranged relative to the axis of the limiting cylinder (221), and the two rotary long holes (22111) are on the same horizontal plane.

4. The monocular night vision device with large angle adjustment and quick release function of claim 2, wherein: the limiting cylinder (221) is located between two side walls of the first rotating base (21), the first rotating base (21) is a U-shaped frame, one side wall of the first rotating base (21) is located between the free end of the first shaft sleeve (24) and the limiting cylinder (221), a connecting plate integrated with the end of the first shaft sleeve (24) is arranged at the free end of the first shaft sleeve (24), and the connecting plate is fixedly connected with the corresponding side wall of the first rotating base (21).

5. The monocular night vision device with large angle adjustment and quick release function of claim 1, wherein: the fine adjustment mechanism (3) comprises a rotary base II (32), the rotary base II (32) comprises a shaft sleeve II (321), a connecting part integrated with the shaft sleeve II (321) is arranged on the outer circumferential side wall of the shaft sleeve II (321), the end part of the connecting part is fixedly connected with the middle part of the rotary base I (21), the shaft sleeve II (321) is matched with a fine adjustment rotating shaft (31), the fine adjustment rotating shaft (31) is of a U-shaped structure, the fine adjustment rotating shaft (31) comprises a middle connecting block (311) and two symmetrical rotating lugs (312) thereof, through holes matched with the middle holes of the shaft sleeve II (321) are formed in the rotating lugs (312), the shaft sleeve II (321) is located between the two rotating lugs (312), and one end of a screw shaft (33) sequentially penetrates through the rotating lugs (312), the shaft sleeve II (321) and the rotating lugs (312) and is fixed through nuts (34).

6. The monocular night vision device with large angle adjustment and quick release function of claim 1, wherein: the quick detach structure (4) includes fixed block (41) and sliding block, fixed block (41) are used for fixing in the upper end of monocular night-time vision device (5), the sliding block is connecting block (311) of fine setting pivot (31), fixed block (41) and sliding block wedge cooperation, the lower extreme of sliding block is opened there is the wedge groove, the length direction in wedge groove is parallel with the axis of pivot, two lateral walls of the left and right directions of corresponding fixed block (41) are for the shape with wedge groove matched with, open at the middle part of fixed block (41) has opening (411), opening (411) divide into two with fixed block (41), the direction of seting up of opening (411) is perpendicular with fixed block (41), connecting block (311) are equipped with slip stopper (42) in the position department corresponding with opening (411), slip stopper (42) are used for spacing connecting block (311) and fixed block (41).

7. The monocular night vision device with wide angle adjustment and quick release function of claim 6, wherein: the sliding limiting block (42) comprises a limiting bar (421), one end of the limiting bar (421) is provided with a limiting block (422) integrated with the limiting bar (421), a through hole corresponding to the limiting block (422) is formed in the corresponding side wall of the corresponding connecting block (311) and the corresponding side wall of the limiting block (422), a through hole matched with the limiting bar (421) is formed in the side wall of the connecting block (311) at the other side, the end part of the limiting bar (421) at the side is positioned outside the connecting block (311), a limiting groove I (4211) is formed in the upper end surface of the limiting bar (421) close to the limiting block (422), a limiting screw II (43) is fixed at the position corresponding to the limiting groove I (4211) on the upper end surface of the connecting block (311), the limiting screw II (43) penetrates through the connecting block (311) and then extends into the limiting groove I (4211), a limiting groove II (4212) is formed in the upper end surface of the limiting bar (421) at the side part of the limiting bar I (4211), a limiting pin II (4212) protruding out of the upper end surface of the limiting bar (421) is fixed in the limiting groove II (4212), a limiting pin (44) protruding out of the upper end surface of the limiting bar (421) is arranged between the limiting groove II (4212) and the limiting pin II (3111) and the limiting pin (45) is arranged on the limiting groove II (3111), the two ends of the second spring (45) are fixedly connected with the limiting pin (44) and the side wall of the third limiting groove (3111) respectively, in a natural state, the second spring (45) is in a compressed state, under the action of the compression force of the second spring (45), the second limiting screw (43) is abutted against the side wall, close to the limiting block (422), of the first limiting groove (4211), meanwhile, the lower end of the limiting block (422) protrudes out of the wedge-shaped groove of the connecting block (311), the limiting bar (421) is pressed to be located at the tail end of the outer portion of the connecting block (311), and at the moment, the limiting block (311) is limited by sliding of the sliding limiting block (42) in a sliding mode.

8. The monocular night vision device with wide angle adjustment and quick release function of claim 7, wherein: the limiting block (422) is of an inverted T-shaped structure.