Interpupillary distance adjustable night vision device

Abstract

The utility model relates to a night vision device with an adjustable interpupillary distance, which comprises two holding cylinders and a central box, the two holding cylinders are respectively arranged at two sides of the central box, the two holding cylinders are hinged with the central box, each holding cylinder comprises a cylinder body, and a pick-up lens, a display screen and an eyepiece which are sequentially arranged in the cylinder body, the central box is provided with an upper limiting part and a lower limiting part, the upper limiting part is a horizontal convex plate, the two horizontal convex plates are symmetrically arranged on the central box and form a platform, the lower limiting part is a concave arc surface, and the upper limiting part and the lower limiting part jointly limit the rotating angle of the hinge cylinder so as to limit the pupil distance adjusting range. An outer screen is hinged to the platform, and the outer screen faces the end where the eyepiece is located when the outer screen is unfolded.

Description

Technical Field

[0001] The utility model relates to the technical field of night vision devices, in particular to a night vision device with adjustable pupil distance. Background Art

[0002] Night vision goggles are electronic devices that can be used for nighttime observation. As they are equipped with a display screen inside, existing night vision goggles usually adopt an integrated structure, that is, the pupil distance is fixed and cannot be adjusted. This method can only adapt to consumers within a certain range, and cannot adapt to consumers beyond the pupil distance range, resulting in the need to produce products of various specifications to meet the needs of consumers, which is costly. In addition, existing night vision goggles only have an internal screen, which also limits the user's field of view and is not very convenient for shooting. Utility Model Content

[0003] In view of the above situation, it is necessary to propose a night vision device with adjustable pupil distance that is convenient for adjusting the pupil distance.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a night vision device with adjustable pupil distance, comprising two grip tubes and a center box, the two grip tubes are respectively arranged on both sides of the center box, the two grip tubes are hinged to the center box, each of the grip tubes includes a cylinder body, and a camera lens, a display screen and an eyepiece arranged in sequence in the cylinder body, the center box has an upper limit portion and a lower limit portion, the upper limit portion is a horizontal convex plate, the two horizontal convex plates are symmetrically arranged on the center box and form a platform, the lower limit portion is a concave arc surface, the upper limit portion and the lower limit portion jointly limit the rotation angle of the hinged cylinder, thereby limiting the pupil distance adjustment range, and an outer screen is hinged on the platform, and the outer screen faces the end where the eyepiece is located when it is unfolded.

[0005] Furthermore, a compass is embedded on the platform, and the compass is shielded when the outer screen is folded.

[0006] Furthermore, a battery is disposed in the central box.

[0007] Furthermore, it also includes a first control circuit board, a second control circuit board and a third control circuit board, the first control circuit board is configured in one of the grip tubes, the second control circuit board is configured in the other grip tube, the third control circuit board is configured in the center box, and the third control circuit board is electrically connected to the first control circuit board and the second control circuit board.

[0008] Furthermore, the center box includes a bottom bin and a top cover, and the bottom bin and the top cover are detachably connected. A hinge groove is provided on the bottom bin, and the top cover closes the hinge groove to form a hinge hole. A damping ring is arranged in the hinge hole, and a hinge cylinder hinged to the center box is provided with a hinge column, and the hinge column is adapted to the damping ring of the hinge hole.

[0009] Furthermore, it also includes a lighting lamp, which is arranged at one end of the central box away from the eyepiece.

[0010] Furthermore, a visual tube is also provided in the tube body, one end of the visual tube is connected to the display screen, and the other end of the visual tube is connected to the eyepiece.

[0011] Furthermore, the two grip tubes are hinged to the center box.

[0012] The beneficial effects of the utility model are as follows: the two grips correspond to the left and right eyes of a person respectively, at least one grip rotates through a damping hinge with the center box, thereby adjusting the distance between the two grips to adapt to the user's pupil distance, and limiting the rotation range of the grips through the upper limit portion and the lower limit portion to avoid excessive rotation leading to disconnection of the circuit wires, and also to avoid excessive fatigue of the circuit wires, thereby ensuring the stability of the electrical connection and the service life of the product; at the same time, in the extreme position, that is, when abutting the upper limit portion or the lower limit portion, the center box can play a supporting role. The upper limit portion directly forms a platform, and a foldable external screen is arranged on the platform to reasonably utilize the platform space, and the external screen can be more convenient for shooting, and the user's observation field of view is wider when shooting, and the shooting effect can be directly observed, which is more convenient for shooting scenes that need to export the shooting picture to other devices for observation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of a night vision device with adjustable pupil distance according to an embodiment of the utility model;

[0014] Figure 2 This is a schematic structural diagram of an outer screen of a night vision device with adjustable pupil distance in an unfolded state according to an embodiment of the utility model;

[0015] Figure 3 It is a schematic cross-sectional structure diagram of a night vision device with adjustable pupil distance according to an embodiment of the utility model;

[0016] Figure 4 This is a schematic diagram of the connection structure between a grip tube and a center box of a night vision device with adjustable pupil distance according to an embodiment of the utility model;

[0017] Figure 5 This is a schematic structural diagram of a center box of a night vision device with adjustable pupil distance according to an embodiment of the utility model;

[0018] Figure 6The utility model is a schematic structural diagram of a grip tube of a night vision device with adjustable pupil distance according to an embodiment of the utility model.

[0019] Description of labels:

[0020] 100, grip tube; 110, tube body; 120, camera lens; 130, display screen; 140, visual tube;

[0021] 150, eyepiece; 160, hinged column; 170, damping ring; 180, hanging ring; 190, wire hole;

[0022] 200, center box; 210, top cover; 211, upper limit portion; 212, helmet connecting slider;

[0023] 220, bottom bin; 221, lower limit portion; 222, hinge groove; 223, hinge hole;

[0024] 224, bracket connection screw hole; 230, charging and communication interface; 240, avoidance groove;

[0025] 300, external screen; 400, compass; 500, battery; 600, lighting. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the following is a further detailed description of the utility model of a night vision device with adjustable pupil distance in combination with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] Please refer to Figure 1-Figure 6 A night vision device with adjustable pupil distance comprises two grip tubes 100 and a center box 200, wherein the two grip tubes 100 are respectively arranged on both sides of the center box 200, and the two grip tubes 100 are hinged to the center box 200, each grip tube 100 comprises a barrel 110, and a camera lens 120, a display screen 130 and an eyepiece 150 arranged in sequence in the barrel 110, the center box 200 has an upper limit portion 211 and a lower limit portion 221, the upper limit portion 211 is a horizontal convex plate, the two horizontal convex plates are symmetrically arranged on the center box 200 and form a platform, the lower limit portion 221 is a concave arc surface, the upper limit portion 211 and the lower limit portion 221 jointly limit the rotation angle of the hinged barrel, thereby limiting the pupil distance adjustment range, and an outer screen 300 is hinged on the platform, and the outer screen 300 faces the end where the eyepiece 150 is located when unfolded.

[0028] The two grip tubes 100 correspond to the left and right eyes of a person respectively. At least one grip tube 100 rotates through the damping hinge with the center box 200, so as to adjust the distance between the two grip tubes 100 to adapt to the user's pupil distance. The rotation range of the grip tube 100 is limited by the upper limit portion 211 and the lower limit portion 221 to avoid excessive rotation leading to disconnection of the circuit wire and excessive fatigue of the circuit wire, thereby ensuring the stability of the electrical connection and the service life of the product. At the same time, in the extreme position, that is, when abutting against the upper limit portion 211 or the lower limit portion 221, the center box 200 can play a supporting role. The upper limit portion 211 directly forms a platform, and a foldable external screen 300 is arranged on the platform to reasonably utilize the platform space. The external screen 300 can be more convenient for shooting, and the user's observation field of view is wider during shooting, and the shooting effect can be directly observed, which is more convenient for shooting scenes that need to export the shooting picture to other devices for observation.

[0029] As one embodiment of the present invention, only one grip tube 100 is damping hinged with the center box 200, and the other grip tube 100 is fixedly connected with the center box 200. The fixed connection method can be a buckle or a screw. In this way, one hand can apply force and the other hand can support, that is, hold the non-rotating grip tube 100 and rotate the rotatable grip tube 100 to adjust the spacing. As another embodiment of the present invention, please refer to Figure 4 The two grip tubes 100 are both hinged to the center box 200, so both hands are required to apply force during adjustment, but the adjustment range is large.

[0030] Please refer to Figure 2 A compass 400 is embedded on the platform, and the outer screen 300 shields the compass 400 when folded. The compass 400 is provided for easy use in the field.

[0031] Please refer to Figure 3 box Figure 4 The central box 200 is provided with a battery 500. The battery 500 is arranged in the central box 200, and the space in the central box 200 is reasonably utilized, which is conducive to the miniaturization of the device. In simple terms, the central box 200 is also provided with a charging and communication interface 230.

[0032] Preferably, it also includes a first control circuit board, a second control circuit board and a third control circuit board, the first control circuit board is configured in one of the grip tubes 100, the second control circuit board is configured in the other grip tube 100, and the third control circuit board is configured in the center box 200, and the third control circuit board is electrically connected to the first control circuit board and the second control circuit board. It can be understood that the first control circuit board is connected to the camera lens 120 and the display screen 130 in one of the grip tubes 100, and can also be connected to the configured control buttons as needed; the second control circuit board is connected to the camera lens 120 and the display screen 130 in the other grip tube 100, and can be connected to the configured control buttons as needed; the third control circuit board is also connected to the lighting lamp 600 in the center box 200, and is used as the charge and discharge management function of the battery 500 and is connected to the charging and communication interface 230, and can also be connected to the configured control buttons as needed. It can be understood that the first control circuit board, the second control circuit board and the third control circuit board are connected by cables or flexible circuits. Simply, a cable hole 190 is opened on the grip tube 100 and the center box 200 to facilitate the passage of cables or flexible circuits. In order to facilitate the adjustment of the spacing, a certain margin is left for the cables and flexible circuits. In particular, the cable hole 190 of the grip tube 100 is located below the hinge column 160, and the cable hole 190 of the center box 200 is correspondingly arranged in the avoidance groove 240 for the hinge column 160 to extend into. In particular, the cable hole 190 of the center box 200 is directly supported by the avoidance groove 240.

[0033] Please refer to Figure 4 box Figure 5 The center box 200 includes a bottom bin 220 and a top cover 210, which are detachably connected. A hinge groove 222 is provided on the bottom bin 220, and the top cover 210 closes the hinge groove 222 to form a hinge hole 223. A damping ring 170 is arranged in the hinge hole 223. A hinge cylinder hinged to the center box 200 is provided with a hinge column 160, and the hinge column 160 is adapted to the damping ring 170 of the hinge hole 223. The connection between the bottom bin 220 and the top cover 210 can be a snap connection or a screw connection. Preferably, the upper limit portion 211 is formed by the top cover 210, and the lower limit portion 221 is formed by the bottom bin 220.

[0034] Please refer to Figure 1 , also includes a lighting lamp 600, which is configured at one end of the center box 200 away from the eyepiece 150. The lighting lamp 600 is provided for convenient use in nighttime lighting for traveling.

[0035] Please refer to Figure 3A visual tube 140 is also provided in the barrel 110, one end of the visual tube 140 is connected to the display screen 130, and the other end is connected to the eyepiece 150. The visual tube 140 is provided to ensure the observation effect and facilitate the installation of other components. The connection mode of the visual tube 140 and other components can be buckled or screwed.

[0036] In particular, please refer to Figure 5 A helmet connecting slider 212 is also provided on the top cover 210, and a bracket connecting screw hole 224 is also provided on the side of the bottom bin 220 facing away from the top cover 210. Figure 2 A hanging ring 180 for connecting a hanging rope is also provided on the two grip tubes 100.

[0037] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0038] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0039] In summary, the utility model provides a night vision device with adjustable pupil distance, in which two grips correspond to the left and right eyes of a person respectively, and at least one grip is rotated by a damping hinge with a center box, so as to adjust the distance between the two grips to adapt to the user's pupil distance, and the rotation range of the grip is limited by an upper limit portion and a lower limit portion to avoid disconnection of circuit wires due to excessive rotation, and to avoid excessive fatigue of circuit wires, thereby ensuring the stability of electrical connection and the service life of the product; at the same time, in the extreme position, that is, when abutting against the upper limit portion or the lower limit portion, the center box can play a supporting role. The upper limit portion directly forms a platform, and a foldable external screen is arranged on the platform to reasonably utilize the platform space, and the external screen can be more convenient for shooting, and the user's observation field of view is wider during shooting, and the shooting effect can be directly observed, which is more convenient for shooting scenes that need to export the shooting picture to other devices for observation.

[0040] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with the profession can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A night vision device with adjustable pupil distance, characterized in that: It includes two grip tubes and a center box, the two grip tubes are respectively arranged on both sides of the center box, the two grip tubes are hinged to the center box, each grip tube includes a cylinder body, and a camera lens, a display screen and an eyepiece arranged in the cylinder body in sequence, the center box has an upper limit portion and a lower limit portion, the upper limit portion is a horizontal convex plate, two horizontal convex plates are symmetrically arranged on the center box and form a platform, the lower limit portion is a concave arc surface, the upper limit portion and the lower limit portion jointly limit the rotation angle of the hinged cylinder, thereby limiting the pupil distance adjustment range, and an outer screen is hinged on the platform, and the outer screen faces the end where the eyepiece is located when it is unfolded.

2. The night vision device with adjustable pupil distance according to claim 1, characterized in that: A compass is embedded on the platform, and the compass is shielded when the outer screen is folded.

3. The night vision device with adjustable pupil distance according to claim 1, characterized in that: A battery is arranged in the central box.

4. The night vision device with adjustable pupil distance according to claim 1, characterized in that: It also includes a first control circuit board, a second control circuit board and a third control circuit board. The first control circuit board is configured in one of the grip tubes, the second control circuit board is configured in the other grip tube, and the third control circuit board is configured in the center box. The third control circuit board is electrically connected to the first control circuit board and the second control circuit board.

5. The night vision device with adjustable pupil distance according to claim 1, characterized in that: The center box includes a bottom bin and a top cover, and the bottom bin and the top cover are detachably connected. A hinge groove is provided on the bottom bin, and the top cover closes the hinge groove to form a hinge hole. A damping ring is arranged in the hinge hole, and a hinge cylinder hinged to the center box is provided with a hinge column, and the hinge column is adapted to the damping ring of the hinge hole.

6. The night vision device with adjustable pupil distance according to claim 1, characterized in that: It also includes an illumination light, which is arranged at one end of the center box away from the eyepiece.

7. The night vision device with adjustable pupil distance according to claim 1, characterized in that: A visual tube is also provided in the tube body, one end of the visual tube is connected to the display screen, and the other end of the visual tube is connected to the eyepiece.

8. The night vision device with adjustable pupil distance according to claim 1, characterized in that: The two grip tubes are both hinged to the center box.

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