CN219127258U - Reverse shooting glasses convenient for dismounting shielding plate - Google Patents

Abstract

The utility model discloses a pair of reverse shooting glasses with shielding sheets convenient to detach, which relates to the technical field of eye care, and comprises a shell and shielding sheets, wherein a vision training area is arranged on the shell, a first lens mechanism is arranged in the shell, the first lens mechanism comprises a first lens, a first lens mounting seat and a first transmission assembly, the first lens is mounted on the first lens mounting seat, and the first lens mounting seat is connected with the first transmission assembly; the shell is provided with a main connecting part, and the shielding sheet is provided with a sub connecting part; the main connecting part is connected with the sub connecting parts, so that the shielding sheet is arranged on the shell and positioned in the vision training area; according to the utility model, the shielding sheet is detachably arranged on the shell, and is positioned in the vision training area, specifically, the first magnet is attracted with the second magnet, so that the effect that the shielding sheet is used for shielding one eye is realized, when the shielding sheet is damaged, the shielding sheet is convenient to replace, and the problem that the eye can not be used when the shielding sheet is damaged, and the user can not use the eye when the user turns over.

Description

Reverse shooting glasses convenient for dismounting shielding plate

Technical Field

The utility model relates to the field of eye care, in particular to a pair of reverse shooting glasses with shielding sheets convenient to detach.

Background

As more and more people with myopia now, preventing myopia or correcting vision becomes particularly important.

The glasses with reverse shooting function is an eye care tool for vision training, and is composed of two pairs of positive and negative prisms with equal degrees, and myopia prevention or vision correction is realized through switching between the positive prism and the negative prism.

The shielding piece is used for shielding one eye in the reverse shooting glasses to realize the structure of monocular training, and the shielding piece in the traditional reverse shooting glasses is fixed on the shell of the reverse shooting glasses, so that the reverse shooting glasses do not have the function of shielding one eye after the shielding piece is damaged, and the reverse shooting glasses cannot be used for training.

Disclosure of Invention

The utility model discloses a pair of reverse shooting glasses with shielding sheets convenient to detach, which solves the technical problem that the reverse shooting glasses cannot be used due to damage of the shielding sheets.

In order to solve the technical problems, the utility model provides the following optimization technical scheme:

the reverse shooting glasses comprise a shell and shielding sheets, wherein a vision training area is arranged on the shell, at least one lens outlet is formed in the bottom of the shell, and the vision training area is positioned outside the lens outlet; the first lens mechanism comprises a first lens, a first lens mounting seat and a first transmission assembly, the first transmission assembly is connected to the top of the inner wall of the shell and opposite to the position of the lens outlet, the first lens mounting seat is connected with the first transmission assembly, and the first lens is mounted on the first lens mounting seat;

the bottom of the shell is provided with a female connecting part, and the shielding sheet is provided with a child connecting part; the main connecting part is connected with the sub connecting parts, so that the shielding sheet is arranged below the shell and positioned in the vision training area;

the sub-connection part includes a first magnet; the female connection part comprises a second magnet arranged at the bottom of the shell; the first magnet attracts with the second magnet so that the shielding piece is arranged below the shell and is positioned in the vision training area.

Further, the sub-connection part further comprises a connection seat arranged on the shielding plate, and the first magnet is arranged in the connection seat.

Further, the connecting seat is provided with a first groove, the first groove is formed in the side face of the connecting seat, and the first magnet is arranged in the first groove.

Further, a second groove is formed in the surface of the shell, the second groove corresponds to the position of the second magnet, and the shape and the size of the second groove are the same as those of the bottom surface of the connecting seat.

Further, a second lens mechanism is further arranged in the shell and comprises a second lens, a second lens mounting seat and a second transmission assembly, the second lens is mounted on the second lens mounting seat, and the second lens mounting seat is connected with the second transmission assembly.

Further, the first transmission assembly comprises a first supporting seat, a first screw rod and a first sliding block, and two ends of the first screw rod are rotatably connected to the first supporting seat; the first screw is provided with a first external thread, the first sliding block is provided with a first screw hole, a first internal thread matched with the first external thread is arranged in the first screw hole, and the first screw is connected with the first sliding block through threads; the two first lenses are connected with the first sliding block.

Further, the second transmission assembly comprises a second supporting seat, a second screw rod and a second sliding block, and two ends of the second screw rod are rotatably connected to the second supporting seat; the second screw is provided with a second external thread, the second sliding block is provided with a second screw hole, a second internal thread matched with the second external thread is arranged in the second screw hole, and the second screw is connected with the second sliding block through threads; the two second lenses are connected with the second sliding block.

Further, the first transmission assembly further comprises a first motor, and a rotating shaft of the first motor is fixedly connected with one end of the first screw rod.

Further, the second transmission assembly further comprises a second motor, and a rotating shaft of the second motor is fixedly connected with one end of the second screw rod.

Compared with the prior art, the utility model has the following beneficial effects:

the reverse shooting glasses are detachably arranged on the shell through the shielding piece, the shielding piece is positioned in the vision training area, particularly, the first magnet is attracted with the second magnet, the effect that the shielding piece is used for shielding one eye is achieved, when the shielding piece is damaged, the shielding piece is convenient to replace, and the problem that the reverse shooting glasses cannot be used due to damage of the shielding piece is solved.

Drawings

Fig. 1 is a schematic overall structure of the present utility model.

Fig. 2 is a schematic view of the structure of the first lens and the second lens of the present utility model.

Fig. 3 is a schematic structural view of the shielding sheet of the present utility model.

Fig. 4 is a schematic structural view of the first and second transmission assemblies of the present utility model.

Fig. 5 is a schematic structural view of a first and a second pupil distance adjustment assembly of the present utility model.

Fig. 6 is a schematic structural view of a first lens mount and a second lens mount of the present utility model.

Fig. 7 is a schematic structural view of the housing of the present utility model.

Fig. 8 is a schematic structural view of the electric control section and the housing main body of the present utility model.

Fig. 9 is a schematic structural view of the controller of the present utility model.

Fig. 10 is a schematic structural view of another embodiment of the present utility model.

In the figure: 1. a housing; 11. a lens outlet; 12. an upper cover; 13. a housing body; 131. a key hole; 132. a second key; 133. a second groove; 134. a first through hole; 135. a second through hole; 136. a first interpupillary distance scale; 137. a second interpupillary distance scale; 138. a first guide groove; 139. a second guide groove; 14. a first inner surface; 15. a second inner surface; 16. a head pad; 17. a head fixing member; 2. a shielding sheet; 21. a connecting seat; 22. a first groove; 23. a first magnet; 3. a first lens; 31. a first frame; 311. a first post; 4. a first transmission assembly; 5. a second lens; 51. a second frame; 511. a second post; 6. a second transmission assembly; 61. a second support base; 62. a second screw; 63. a second slider; 64. a fixing seat; 65. a second motor; 7. an electric control unit; 71. a battery; 72. a main control circuit board; 73. a light sensing circuit board; 8. a controller; 81. a first key; 9. a first interpupillary distance adjustment assembly; 91. a first bracket; 911. a first mounting groove; 912. a first bone site; 92. a first lens mount; 921. a first switch lock catch; 922. a first sub-buckle; 923. the first convex screwdriver is clamped; 924. a first U-shaped seat; 925. a first resistance member; 926. a first mark; 927. a first slot; 93. a cover plate; 10. a second pupil distance adjusting component; 101. a second bracket; 1011. a second mounting groove; 1012. a second bone site; 102. a second lens mount; 1021. a second switch lock catch; 1022. a second sub-buckle; 1023. the second convex screwdriver is clamped; 1024. a second U-shaped seat; 1025. a second resistance member; 1026. a second mark; 1027. and a second slot.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.

Referring to fig. 1, a pair of reverse shooting glasses with shielding sheets convenient to detach comprises a shell 1 and shielding sheets 2, wherein a vision training area is arranged on the shell 1, the vision training area is a sight line (watching) area of a user, at least one lens outlet 11 is formed in the bottom of the shell 1, and the vision training area is positioned outside the lens outlet 11; be equipped with first lens mechanism in the casing 1, first lens mechanism includes first lens 3, first lens mount pad 92 and first drive assembly, first drive assembly connect in casing 1 inner wall top, and with lens export 11 position is relative, first lens mount pad 92 with first drive assembly connects, first lens 3 is installed on first lens mount pad 92, the bottom of casing 1 is equipped with female connecting portion, shielding piece 2 is equipped with sub-connecting portion, female connecting portion with sub-connecting portion connect, make shielding piece 2 install casing 1's below and lie in the eyesight training area. The shielding plate 2 is taken down from the shell 1 or the shielding plate 2 is arranged on the shell 1, so that the problem of convenient control list and binocular training is realized. When monocular training is performed, the shielding sheet 2 is mounted on the housing 1 for shielding a vision training area of one of eyes; when the eyes are trained, the shielding sheet 2 is taken down; the inversion photographing glasses are convenient for the training switching of the single eyes and the double eyes, and the overall structure of the inversion photographing glasses is lighter. Meanwhile, when the shielding sheet 2 is damaged, the shielding sheet is convenient to replace.

The color of the shielding sheet 2 is preferably dark as much as possible so as to be able to shield the line of sight. Optionally, the color of the shielding sheet 2 is black.

The shape and size of the shielding sheet 2 are preferably such that the view can be shielded.

In the present embodiment, referring to fig. 3 and 7, the sub-coupling part includes a first magnet 23; the female connection part comprises a second magnet arranged at the bottom of the shell 1; the first magnet 23 attracts the second magnet so that the shielding sheet 2 is mounted on the housing 1. The first magnet 23 and the second magnet may be two magnets, or may be one magnet and one magnet, so as to achieve attraction of the two magnets.

In another embodiment, see fig. 10, the sub-connection part is a strip-shaped structure, the main connection part is a slot adapted to the strip-shaped structure, and the strip-shaped structure is tightly inserted into the slot in an interference fit manner, so that the shielding sheet 2 is fixed on the housing 1.

Referring to fig. 3 and 7, the sub-connection part further includes a connection seat 21 provided on the shielding plate 2, and the first magnet 23 is provided in the connection seat 21. When the connecting seat 21 is close to the second magnet, the first magnet 23 inside the connecting seat 21 attracts the second magnet.

The connecting seat 21 is provided with a first groove 22, and the first magnet 23 is arranged in the first groove 22. It will be appreciated that the first magnet 23 is provided in interference fit within the first recess 22.

The first groove 22 is formed on the side surface of the connecting seat 21. In order to prevent the first magnet 23 from sliding out of the first groove 22, the first groove 22 is provided on a side surface of the connection seat 21 to prevent the first magnet 23 from sliding out.

The surface of the housing 1 is provided with a second groove 133, the second groove 133 corresponds to the position of the second magnet, and the shape and the size of the second groove 133 are the same as those of the bottom surface of the connecting seat 21. When the first magnet 23 attracts the second magnet, the connecting seat 21 is placed in the second groove 133, and the second groove 133 is used for fixing the connecting seat 21.

Additionally, a first lens mechanism and a second lens mechanism are provided in the housing 1.

Referring to fig. 2 and 4, the first lens mechanism comprises a first lens 3 and a first transmission assembly 4, the first lens 3 being detachably mounted on the first transmission assembly 4; the first transmission component 4 drives the first lens 3 to reciprocate, so that the first lens 3 moves to or from the vision training area. When the first lens 3 moves to the vision training area, the user looks near through the first lens 3, thereby doing near training on the eyes.

In this embodiment, the number of the first lenses 3 is two, the number of the first transmission assemblies 4 is one, and both the first lenses 3 are detachably mounted on the first transmission assemblies 4. The two first lenses 3 respectively correspond to the sight line positions of the eyes of the user, and the first transmission assembly 4 drives the two first lenses 3 to do reciprocating motion so as to train the eyes of the user synchronously. Optionally, the number of the first lenses 3 is two, the number of the first transmission assemblies 4 is two, the two first lenses 3 are detachably mounted on the two first transmission assemblies 4 respectively, that is, the two first transmission assemblies 4 control the two first lenses 3 to reciprocate respectively, the two first lenses 3 can reciprocate independently, and the training mode is more flexible. Optionally, the number of the first lenses 3 is one, the number of the first transmission assemblies 4 is one, and the first lenses 3 are fixedly connected with the first transmission assemblies 4, where the size of the first lenses 3 may be the size corresponding to the eyes of the user or the size corresponding to the eyes of the user.

Specifically, referring to fig. 4, the first transmission assembly 4 includes a first supporting seat, a first screw rod and a first slider, and two ends of the first screw rod are rotatably connected to the first supporting seat; the first screw is provided with a first external thread, the first sliding block is provided with a first screw hole, a first internal thread matched with the first external thread is arranged in the first screw hole, and the first screw is connected with the first sliding block through threads. The two first lenses 3 are connected with the first sliding block, and the moving direction of the first sliding block is changed by changing the rotating direction of the first screw rod, so that the first lenses 3 are driven to reciprocate.

Referring to fig. 5, the first lens mechanism further includes a first pupil distance adjusting component 9, the first pupil distance adjusting component 9 includes a first bracket 91 and two first lens mounting seats 92, the two first lens mounting seats 92 are both slidably connected to the first bracket 91, the first bracket 91 is fixedly connected to the first slider, and the first lens 3 is detachably mounted on the first lens mounting seat 92. By sliding the two first lenses 3, the distance between the two first lenses 3 can be adjusted to adjust the interpupillary distance of the reverse photographing glasses.

Referring to fig. 2, 5 and 6, a first switch lock 921 is disposed in the first lens mounting seat 92, two first sub-buckles 922 are disposed on the top surface of the first switch lock 921, the two first sub-buckles 922 respectively protrude along the upper left direction and the upper right direction of the first switch lock 921, and first male screw driver clamping positions 923 are disposed at the ends of the two first sub-buckles 922 in opposite directions; the bottom of the first lens 3 is detachably provided with a first lens frame 31, the bottom surface of the first lens frame 31 is provided with two first locking grooves, and the bottom ends of the two first locking grooves are provided with first clamping grooves in opposite directions; the first lens 3 is inserted into the first locking groove through the first sub-buckle 922, and the first male screw driver clamping position 923 is limited in the first clamping groove and is mounted on the first lens mounting seat 92. Applying force to the first lens 3 towards the first lens mounting seat 92, aligning the two first sub-buckles 922 with the two first locking grooves respectively, inserting the two first sub-buckles 922 into the two first locking grooves respectively, and when the first sub-buckles 922 are inserted into the end parts of the first locking grooves, the first convex screwdriver clamping positions 923 are clamped into the first clamping grooves, so that the first lens 3 is fixedly mounted on the first lens mounting seat 92; the first lens 3 is pressed by the two first sub-buckles 922 to move slightly towards the right lower part and the left lower part, so that the two first male screw driver clamping positions 923 are respectively pulled away from the two first clamping grooves, and the first lens 3 can be taken out upwards at this time, so that the first lens 3 is detached from the first lens mounting seat 92. The degree of the first lens 3 can be freely selected according to the eye condition of the user, the degree of different users can be different, and the degree of the user can be improved after training for a period of time to reduce the degree, so that the first lens 3 needs to be replaced frequently, the first lens 3 is detachably arranged on the first lens mounting seat 92, the first lens 3 is more convenient to replace, and the experience of use is better. It can be appreciated that each first lens 3 corresponds to a first lens mount 92; i.e. when the number of first lenses 3 is two, the number of first lens mounts 92 is also two.

Additionally, referring to fig. 2 and 5, the top surface of the first lens mounting base 92 is provided with two first slots 927, and the two first slots 927 are respectively arranged at two sides of the two first sub-buckles 922; the bottom surface of the first mirror frame 31 is also provided with two first inserting posts 311; when the two first sub-buttons 922 are aligned with the two first locking grooves, the two first plug posts 311 are also aligned with the two first slots 927. For the first lens 3 mounted on the first lens mount 92, the first post 311 is inserted into the first slot 927 for guiding and fixing.

Referring to fig. 4 and 5, the first bracket 91 is provided with a first mounting groove 911, and the first slider is mounted and fixed in the first mounting groove 911. Further, the first slider is mounted and fixed in the first mounting groove 911 by means of gluing, fastening, interference fit or the like. The first slider is fixedly connected with the first bracket 91, so that the first slider drives the first bracket 91 to move.

Referring to fig. 6, 7 and 8, the first lens mounting base 92 is provided with a first U-shaped base 924, the first U-shaped base 924 is sleeved on the first bracket 91 and is slidably connected with the first bracket 91, the inner wall of the first U-shaped base 924 is provided with a first resistance piece 925, and the first U-shaped base 924 is provided with a first mark 926; a first through hole 134 and a second through hole 135 are arranged on the shell 1, a first pupil distance scale 136 is arranged on the periphery of the first through hole 134, and a second pupil distance scale 137 is arranged on the periphery of the second through hole 135; two first marks 926 are disposed in the visible areas of the first through hole 134 and the second through hole 135, respectively. The first U-shaped seat 924 slides in the visible region of the first through hole 134 or the visible region of the second through hole 135 by applying a force in the axial direction of the first bracket 91 to the first U-shaped seat 924, and the first mark 926 can be freely moved to the corresponding pupil distance scale with reference to the first pupil distance scale 136 or the second pupil distance scale 137, thereby adjusting the pupil distance of the first lens 3 more quickly and easily.

Additionally, the first pupil distance scale 136 and the second pupil distance scale 137 are mirror images of each other, and a center point is provided between the first pupil distance scale 136 and the second pupil distance scale 137. Each scale value on the first interpupillary distance scale 136 is the distance between the scale value and the center point. The first mark 926 may be disposed at any position on the bottom or side of the first U-shaped base 924 so that the first scale may be visible in the visible area of the first through hole 134 or in the visible area of the first through hole 134.

The first resistance 925 is specifically a structure with resistance for providing resistance when the first U-shaped seat 924 slides. The specific configuration of first resistance 925 may be selected to achieve a resistance effect, such as metal damping. Alternatively, the first resistance member 925 may also be a knob disposed on the bottom surface of the first U-shaped seat 924, where an output end of the knob penetrates through the bottom of the first U-shaped seat 924, and a damping is disposed on a surface of the output end of the knob to provide resistance when the first U-shaped seat 924 slides.

Referring to fig. 8, the first transmission assembly 4 further includes a first motor, and a rotation shaft of the first motor is fixedly connected with one end of the first screw. The first motor provides a driving force to rotate the first screw.

Referring to fig. 5 and 8, the first bracket 91 is provided with a first bone 912 at two ends, the housing 1 includes a first inner surface 14 and a second inner surface 15 opposite to each other, the first inner surface 14 is provided with two first guide grooves 138, the second inner surface 15 is provided with two second guide grooves 139, and the two first bone 912 are respectively located in one of the first guide grooves 138 and the second guide grooves 139. The first guiding groove 138 is used for limiting and enabling the first bone position 912 to slide in the first guiding groove 138 and the second guiding groove 139, so as to play a guiding role.

Referring to fig. 2 and 4, the second lens mechanism includes a second lens 5 and a second transmission assembly 6, the second lens 5 being detachably mounted on the second transmission assembly 6; the second transmission assembly 6 drives the second lens 5 to reciprocate, so that the second lens 5 moves to or from the vision training area. When the second lens 5 moves to the vision training area, the user looks near through the second lens 5, thereby doing far-looking training on the eyes.

In this embodiment, the shielding sheet 2 is located between the first lens 3 and the second lens 5, i.e. the second lens 5, the shielding sheet 2 and the first lens 3 are arranged in order in the direction of the line of sight.

In another embodiment, the shielding sheet is positioned in front of the first lens 3, that is, the second lens 5, the first lens 3, and the shielding sheet 2 are sequentially disposed in the line of sight direction.

In yet another embodiment, the shielding sheet 2 is located behind the second lens 5, i.e. the shielding sheet 2, the second lens 5 and the first lens 3 are arranged in order in the viewing direction.

In this embodiment, the number of the second lenses 5 is two, the number of the second transmission assemblies 6 is one, and both the second lenses 5 are detachably mounted on the second transmission assemblies 6. The two second lenses 5 respectively correspond to the eyes of the user in sight position, and the second transmission assembly 6 drives the two second lenses 5 to do reciprocating motion so as to synchronously train the eyes of the user. Optionally, the number of the second lenses 5 is two, the number of the second transmission assemblies 6 is two, the two second lenses 5 are detachably mounted on the two second transmission assemblies 6 respectively, that is, the two second transmission assemblies 6 control the two second lenses 5 to reciprocate respectively, the two second lenses 5 can reciprocate independently, and the training mode is more flexible. Optionally, the number of the second lenses 5 is one, the number of the second transmission assemblies 6 is one, and the second lenses 5 are fixedly connected with the second transmission assemblies 6, where the size of the second lenses 5 may be the size corresponding to the eyes of the user or the size corresponding to the single eyes of the user.

Additionally, the positions of the first lens 3 and the second lens 5 overlap one another, i.e. the positions of one of the first lens 3 and the second lens 5 overlap one another, and the positions of the other of the first lens 3 and the second lens 5 overlap one another.

Specifically, the second transmission assembly 6 includes a second supporting seat 61, a second screw rod 62 and a second slider 63, where two ends of the second screw rod 62 are rotatably connected to the second supporting seat 61; the second screw 62 is provided with a second external thread, the second slider 63 is provided with a second screw hole, a second internal thread matched with the second external thread is arranged in the second screw hole, and the second screw 62 is connected with the second slider 63 through threads; both the second lenses 5 are connected with the second slider 63. Both the second lenses 5 are connected with the second sliding block 63, and the movement direction of the second sliding block 63 is changed by changing the rotation direction of the second screw 62, so that the second lenses 5 are driven to reciprocate.

Referring to fig. 5, the second lens mechanism further includes a second pupil distance adjusting assembly 10, the second pupil distance adjusting assembly 10 includes a second bracket 101 and two second lens mounting seats 102, the two second lens mounting seats 102 are both slidably connected to the second bracket 101, the second bracket 101 is fixedly connected to the second slider 63, and the second lens 5 is detachably mounted on the second lens mounting seat 102. By sliding the two second lenses 5, the distance between the two second lenses 5 can be adjusted to adjust the interpupillary distance of the reverse photographing glasses.

Referring to fig. 2, 5 and 6, a second switch lock 1021 is provided in the second lens mounting seat 102, two second sub-buckles 1022 are provided on the top surface of the second switch lock 1021, the two second sub-buckles 1022 respectively protrude in the upper left direction and the upper right direction of the second switch lock 1021, and second male driver clamping positions 1023 are provided on the ends of the two second sub-buckles 1022 in opposite directions; the bottom of the second lens 5 is detachably provided with a second lens frame 51, the bottom surface of the second lens frame 51 is provided with two second locking grooves, and the bottom ends of the two second locking grooves are provided with second clamping grooves in opposite directions; the second lens 5 is inserted into the second locking groove through the second sub-buckle 1022, and the second male screw driver clamping position 1023 is limited in the second clamping groove and is mounted on the second lens mounting seat 102. Applying a force to the second lens 5 towards the second lens mounting seat 102, aligning the two second sub-buckles 1022 with the two second locking grooves respectively, inserting the two second sub-buckles 1022 into the two second locking grooves respectively, and when the second sub-buckles 1022 are inserted into the end parts of the second locking grooves, the second male screw driver clamping positions 1023 are clamped into the second clamping grooves, so that the second lens 5 is fixedly mounted on the second lens mounting seat 102; the second lens 5 is pressed by the second sub-buttons 1022 to move slightly toward the right and left downward directions, so that the two second male screw clamping positions 1023 are respectively pulled out of the two second clamping grooves, and the second lens 5 can be taken out upward, so that the second lens 5 is detached from the second lens mounting seat 102. The degree of the second lens 5 can be freely selected according to the eye condition of the user, and the degree of different users can be different, and the degree of the user can be improved after training for a period of time to reduce the degree, so that the second lens 5 needs to be replaced frequently, the second lens 5 is detachably arranged on the second lens mounting seat 102, the second lens 5 is convenient to replace, and the experience of use is better. It can be appreciated that each second lens 5 corresponds to a second lens mount 102; i.e. when the number of second lenses 5 is two, the number of second lens mounts 102 is also two.

Additionally, referring to fig. 2 and 5, two second slots 1027 are disposed on the top surface of the second lens mount 102, and the two second slots 1027 are disposed on two sides of the two second sub-buttons 1022 respectively; the bottom surface of the second mirror bracket 51 is also provided with two second inserting posts 511; when the two second sub-buttons 1022 are aligned with the two second locking grooves, the two second posts 511 are also aligned with the two second slots 1027. For the second lens 5 to be mounted on the second lens mount 102, the second post 511 is inserted into the second slot 1027 for guiding and securing purposes.

Referring to fig. 4 and 5, the second bracket 101 is provided with a second mounting groove 1011, and the second slider 63 is mounted and fixed in the second mounting groove 1011. Further, the second slider 63 is mounted and fixed in the second mounting groove 1011 by means of gluing, fastening, interference fit, or the like. The second slider 63 is fixedly connected with the second bracket 101, so that the second slider 63 drives the second bracket 101 to move.

Referring to fig. 6, 7 and 8, the second lens mounting base 102 is provided with a second U-shaped base 1024, the second U-shaped base 1024 is sleeved on the second bracket 101 and is slidably connected with the second bracket 101, the inner wall of the second U-shaped base 1024 is provided with a second resistance member 1025, and the second U-shaped base 1024 is provided with a second mark 1026; a first through hole 134 and a second through hole 135 are arranged on the second shell 1, a first pupil distance scale 136 is arranged on the periphery of the first through hole 134, and a second pupil distance scale 137 is arranged on the periphery of the second through hole 135; two second marks 1026 are respectively disposed in the visible areas of the first through hole 134 and the second through hole 135, that is, one set of the first scale and the second mark 1026 that are overlapped in front-back is disposed in the visible area of the first through hole 134, and the other set of the first scale and the second mark 1026 that are overlapped in front-back is disposed in the visible area of the second through hole 135. The second U-shaped seat 1024 slides in the visible area of the first through hole 134 or the visible area of the second through hole 135 by applying a force in the axial direction of the second bracket 101, and the second mark 1026 can be freely moved to the corresponding pupil distance scale with reference to the scale of the first pupil distance scale 136 or the scale of the second pupil distance, so that the pupil distance of the second lens 5 can be adjusted more quickly and easily.

Additionally, the first pupil distance scale 136 and the second pupil distance scale 137 are mirror images of each other, and a center point is provided between the first pupil distance scale 136 and the second pupil distance scale 137. Each scale value on the first interpupillary distance scale 136 is the distance between the scale value and the center point. The first mark 926 may be disposed at any position on the bottom or side of the first U-shaped base 924, so as to enable the first scale to be visible in the visible area of the first through hole 134 or the visible area of the second through hole 135.

The second resistance 1025 is specifically a structure with resistance for providing resistance when the second U-shaped socket 1024 slides. The specific configuration of first resistance 925 may be selected to achieve a resistance effect, such as metal damping. Alternatively, the second resistance member 1025 may also be a knob disposed on the bottom surface of the second U-shaped seat 1024, where the output end of the knob penetrates through the bottom of the second U-shaped seat 1024, and the surface of the output end of the knob is provided with a damping for providing resistance when the second U-shaped seat 1024 slides.

Referring to fig. 8, the second transmission assembly 6 further includes a second motor 65, and a rotation shaft of the second motor 65 is fixedly connected with one end of the second screw 62. The second motor 65 provides a driving force to rotate the second screw 62. The second transmission assembly 6 further includes a fixing base 64, the first motor and the second motor 65 are fixed on the fixing base 64, and the fixing base 64 is fixed in the housing 1.

Referring to fig. 5 and 8, two ends of the second bracket 101 are provided with second bone sites 1012; two of the second bone portions 1012 are respectively located in the other of the first guide groove 138 and the second guide groove 139. The second guiding groove 139 is used for limiting and enabling the second bone position 1012 to slide in the second guiding groove 139, so as to play a guiding role.

Referring to fig. 2 and 4, an electric control unit 7 is further disposed in the housing 1, the electric control unit 7 includes a battery 71, and the first motor and the second motor 65 are electrically connected to the battery 71. The battery 71 is used to power the first motor and the second motor 65 to operate the first motor and the second motor 65.

The electric control section 7 further includes a main control circuit board 72 and a photo-sensing circuit board 73, and the first motor and the second motor 65 are electrically connected to the battery 71 through the main control circuit board 72 and the photo-sensing circuit board 73. The battery 71 is used for supplying power to the main control circuit board 72 and the light sensing circuit board 73, so that the main control circuit board 72 and the light sensing circuit board 73 work, the main control circuit board 72 respectively controls the first motor and the second motor 65 to work and controls the rotation direction of the rotating shaft of the first motor and the second motor 65, the light sensing circuit board 73 is also used for controlling the first motor and the second motor 65 to work, and the light sensing circuit board 73 is mainly used for opening and closing the first motor and the second motor 65 according to the on-off of the light beam in the wearing area.

Referring to fig. 7, the housing 1 is further provided with at least one lens outlet 11, and the vision training area is located outside the lens outlet 11.

In this embodiment, the number of the lens outlets 11 is two, and each lens outlet 11 corresponds to one of the first lens 3 or the second lens 5 or one of the shielding sheets 2. Each lens outlet 11 is adapted to pass through a corresponding one of the first lens 3 or the second lens 5 or the shielding sheet 2 when reciprocating, so that the first lens 3 or the second lens 5 or the shielding sheet 2 can be extended out of the housing 1 and retracted into the housing 1, thereby moving to and from the vision training area.

In other embodiments, the number of lens outlets 11 is one, one lens outlet 11 being used for the passage of two first lenses 3 or two second lenses 5 or two shielding sheets 2.

Referring to fig. 9, the reverse photographing glasses further include a controller 8, and at least one first key 81 is disposed on the controller 8 and is communicatively connected to the main control circuit board 72. The first key 81 is used for controlling the on/off of the eye training device, or for increasing the switching time of the first lens 3 and the second lens 5, or for decreasing the switching time of the first lens 3 and the second lens 5. The controller 8 and the shell 1 are arranged in a split mode, so that a user can see the position of the first key 81 clearly, and the operation is more convenient.

In this embodiment, the number of the first keys 81 is three, which are an on/off key, an up key, and a down key. The on-off key is used for controlling the on-off operation of the reverse shooting glasses, and after the reverse shooting glasses are opened, the first lens 3 and the second lens 5 alternately move into and out of the vision training area and are switched at the same time; the short pressing of the up key can be used to increase the switching time of the first lens 3 and the long pressing of the up key can be used to increase the switching time of the second lens 5. Short presses of the decrease key may be used to decrease the switching time of the first lens 3 and long presses of the decrease key may be used to decrease the switching time of the second lens 5.

Referring to fig. 1, the reverse photographing glasses further include at least one second key 132, and at least one key hole 131 corresponding to the second key 132 one by one is formed in the housing 1; each second key 132 is accommodated in a corresponding one of the key holes 131 and is electrically connected to the main control circuit board 72.

In this embodiment, the number of the second keys 132 is one, and the second keys 132 are on/off keys. The second key 132 is disposed on the housing 1 to prevent the controller 8 from being found and the reverse shooting glasses from being started.

In other embodiments, the number of the second keys 132 is three, which are an on/off key, an up key, and a down key. The on-off key is used for controlling the on-off operation of the reverse shooting glasses, and after the reverse shooting glasses are opened, the first lens 3 and the second lens 5 alternately move into and out of the vision training area and are switched at the same time; the short pressing of the up key can be used to increase the switching time of the first lens 3 and the long pressing of the up key can be used to increase the switching time of the second lens 5. Short presses of the decrease key may be used to decrease the switching time of the first lens 3 and long presses of the decrease key may be used to decrease the switching time of the second lens 5.

Referring to fig. 1, a head fixing member 17 is further connected to the housing 1. The head fixing piece 17 is used for fixing the reverse shooting glasses on the head, so that the reverse shooting glasses become a head-wearing eye training instrument, and the use is convenient.

Referring to fig. 1, the shell 1 is further detachably provided with a head cushion 16, and the head cushion 16 is filled with a sponge. The head pad 16 is made of a soft material, such as silica gel. The head cushion 16 is used for the reverse beat glasses to cushion the head when being worn on the head, thereby increasing wearing comfort.

Referring to fig. 1, the reverse photographing glasses further include two cover plates 93, and the two cover plates 93 are detachably mounted on the housing 1 and cover the first through holes 134 and the second through holes 135, respectively, for sealing the first through holes 134 and the second through holes 135. Additionally, the cover plate 93 may be mounted to the housing 1 in a variety of ways to provide for removable mounting, such as by snap fit, adhesive or bolting.

Referring to fig. 1-9, the housing 1 includes an upper cover 12 and a housing main body 13, the housing main body 13 is of a groove structure, and the upper cover 12 and the housing main body 13 are connected by a buckle, a screw or a bolt; the first inner surface 14 and the second inner surface 15 are two inner surfaces opposite to each other in the housing main body 13, and the lens outlet 11 is opened on the housing main body 13; the key holes 131 are all formed in the upper cover 12, and the head fixing member 17 is fixed on the outer surface of the housing main body 13; the cover plate 93 is provided on the outer surface of the housing main body 13; the head pad 16 is attached to the housing main body 13 by a snap, screw or bolt.

The reverse shooting glasses are described below in connection with specific use:

the reverse shooting glasses are worn on the head of a user through the head fixing piece 17, the electric control part 7 controls the first transmission assembly 4 and the second transmission assembly 6 to drive the first lens 3 and the second lens 5 to do reciprocating motion respectively at default switching time through the on-off key in the first key 81 or the second key 132, so that the first lens 3 and the second lens 5 alternately move into or out of the vision training area, and near-looking training and far-looking training are alternately conducted, and accordingly, the eyes are trained.

Furthermore, the user can freely choose the intensity of the training for the eyes. Thus, increasing the switching time of the first lens 3 by pressing the increase key for a short time, thereby reducing the training intensity of the eye for myopia; the longer pressing of the increase key can be used to increase the switching time of the second lens 5, thereby reducing the intensity of training of the eye for hyperopia; decreasing the switching time of the first lens 3 by pressing the decrease key for a short time, thereby increasing the training intensity of the eye for myopia; the switching time of the second lens 5 is reduced by pressing the decrease key for a long time, thereby increasing the training intensity of the eye for hyperopia.

The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The reverse shooting glasses with the shielding sheets convenient to detach are characterized by comprising a shell and the shielding sheets, wherein a vision training area is arranged on the shell, at least one lens outlet is formed in the bottom of the shell, and the vision training area is positioned outside the lens outlet; the first lens mechanism comprises a first lens, a first lens mounting seat and a first transmission assembly, the first transmission assembly is connected to the top of the inner wall of the shell and opposite to the position of the lens outlet, the first lens mounting seat is connected with the first transmission assembly, and the first lens is mounted on the first lens mounting seat;

the bottom of the shell is provided with a female connecting part, and the shielding sheet is provided with a child connecting part; the main connecting part is connected with the sub connecting parts, so that the shielding sheet is arranged below the shell and positioned in the vision training area;

the sub-connection part includes a first magnet; the female connection part comprises a second magnet arranged at the bottom of the shell; the first magnet attracts with the second magnet so that the shielding piece is arranged below the shell and is positioned in the vision training area.

2. The pair of reverse photographing glasses with shielding sheets convenient to detach according to claim 1, wherein the sub-connecting portion further comprises a connecting seat arranged on the shielding sheets, and the first magnet is arranged in the connecting seat.

3. The pair of reverse photographing glasses with shielding sheets convenient to detach according to claim 2, wherein the connecting seat is provided with a first groove, the first groove is formed in the side surface of the connecting seat, and the first magnet is arranged in the first groove.

4. The pair of reverse shooting glasses with the shielding pieces convenient to detach according to claim 2, wherein a second groove is formed in the surface of the shell, the second groove corresponds to the second magnet in position, and the shape and the size of the second groove are the same as those of the bottom surface of the connecting seat.

5. The pair of reverse shooting glasses with shielding sheets convenient to detach according to claim 1, wherein the second lens mechanism is further arranged in the shell and comprises a second lens, a second lens mounting seat and a second transmission assembly, the second lens is mounted on the second lens mounting seat, and the second lens mounting seat is connected with the second transmission assembly.

6. The pair of reverse shooting glasses with shielding sheets convenient to detach according to claim 1, wherein the first transmission assembly comprises a first supporting seat, a first screw rod and a first sliding block, and two ends of the first screw rod are both rotatably connected to the first supporting seat; the first screw is provided with a first external thread, the first sliding block is provided with a first screw hole, a first internal thread matched with the first external thread is arranged in the first screw hole, and the first screw is connected with the first sliding block through threads; the two first lenses are connected with the first sliding block.

7. The pair of reverse shooting glasses with shielding sheets convenient to detach according to claim 5, wherein the second transmission assembly comprises a second supporting seat, a second screw rod and a second sliding block, and two ends of the second screw rod are rotatably connected to the second supporting seat; the second screw is provided with a second external thread, the second sliding block is provided with a second screw hole, a second internal thread matched with the second external thread is arranged in the second screw hole, and the second screw is connected with the second sliding block through threads; the two second lenses are connected with the second sliding block.

8. The pair of reverse shooting glasses with shielding sheets convenient to detach according to claim 6, wherein the first transmission assembly further comprises a first motor, and a rotating shaft of the first motor is fixedly connected with one end of the first screw.

9. The pair of reverse shooting glasses with shielding sheets convenient to detach according to claim 7, wherein the second transmission assembly further comprises a second motor, and a rotating shaft of the second motor is fixedly connected with one end of the second screw.

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