CN216258175U - Binocular type natural light vision training equipment - Google Patents

Binocular type natural light vision training equipment Download PDF

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Publication number
CN216258175U
CN216258175U CN202122408973.7U CN202122408973U CN216258175U CN 216258175 U CN216258175 U CN 216258175U CN 202122408973 U CN202122408973 U CN 202122408973U CN 216258175 U CN216258175 U CN 216258175U
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plastic shell
gear
natural light
circuit board
vision training
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CN202122408973.7U
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Chinese (zh)
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李海莺
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Abstract

The utility model discloses a binocular natural light vision training device, and relates to the technical field of vision training. The multifunctional eye massage device comprises an upper cover and a plastic shell, wherein an inner cavity is formed in the plastic shell, a massage pad is mounted on the plastic shell, two observation holes with the same interpupillary distance with eyes are formed in the middle of the massage pad, an anti-skidding head band is mounted on the plastic shell, and a main circuit board is mounted in the plastic shell; a battery component is arranged in the plastic shell; the shutter baffle assembly is installed in the plastic shell and comprises a shutter baffle, a gear dust cover, a power motor and a shock pad, and an output shaft of the power motor is connected with the gear. According to the binocular natural light vision training equipment provided by the utility model, through the mutual matching of all parts in the shutter baffle assembly, foreign matters can be prevented from entering the position where the gear and the rack are meshed, the normal operation of the gear and the rack is ensured, and the long-term stable operation of the gear and the rack is ensured.

Description

Binocular type natural light vision training equipment
Technical Field
The utility model relates to the technical field of vision training, in particular to a binocular natural light vision training device.
Background
The utility model integrates training methods and principles such as distance, light and shade, eyeball movement, massage and the like, and completes compound training of eyes through a double-cylinder structure.
However, the device has the following design disadvantages and shortcomings in the use process:
1. the gear rack transmission mechanism of the shutter baffle has design defects, is lack of protection measures, and often causes the condition that foreign matters enter a transmission meshing area to cause equipment failure.
2. When the massage cushion is worn on the eyes, the light leakage phenomenon exists, and the training effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a binocular natural light vision training device, which solves the technical problems in the background technology.
In order to solve the technical problems, the utility model provides a binocular natural light vision training device which comprises an upper cover and a plastic shell, wherein an inner cavity is formed in the plastic shell, a massage cushion is arranged on the plastic shell and is tightly attached to the plastic shell, an anti-light leakage protective wing structure is arranged on the outermost edge of the massage cushion, two observation holes with the same interpupillary distance with eyes are formed in the middle of the massage cushion, massage contacts are distributed around the observation holes, an anti-skid head band is arranged on the plastic shell, and a main circuit board is arranged in the plastic shell;
a battery component is arranged in the plastic shell;
a shutter baffle assembly is installed in the plastic shell and comprises a shutter baffle, a gear dustproof cover, a power motor and a shock pad, an output shaft of the power motor is connected with the gear, a rack is arranged on the shutter baffle, the gear is matched with the rack, the gear dustproof cover is positioned between the output shaft of the motor and the gear, the gear dustproof cover is fixed on the shutter baffle, and a round hole is formed in the shutter baffle;
the imaging assembly is arranged in the plastic shell and comprises two eyepiece assemblies and two concave lens pieces, and each eyepiece assembly comprises a convex lens piece, a lens cone and an eyepiece cover.
Preferably, the upper cover is connected with the plastic shell through screws, and the plastic shell is provided with inverted ribs for mounting the massage cushion.
Preferably, install on the anti-skidding bandeau and be used for skid-proof bandeau pad, in the bandeau axle is all gone into to anti-skidding bandeau both ends, the bandeau axle is installed plastics casing is inboard.
Preferably, battery pack includes lithium cell, power management chip, the interface that charges, the shield that charges, the main circuit board of line connection of lithium cell through having the connector, power management chip, the interface that charges are installed on the main circuit board, the interface that charges adopts the TYPEC interface, be provided with the opening that charges on the plastic casing, the TYPEC interface is installed opening position department that charges, the shield that charges is used for sealing the interface that charges.
Preferably, a voice prompt component is installed in the plastic shell and comprises a loudspeaker and a voice chip, a rib plate is installed in the plastic shell, the loudspeaker is installed on the rib plate, the voice chip is installed on the main circuit board, and the loudspeaker is connected with the main circuit board through a line with a connector.
Preferably, install the display screen subassembly in the plastic casing, the display screen subassembly includes the OLED display screen, be provided with on the plastic casing and be used for the installation the display screen opening of OLED display screen, the OLED display screen through take the circuit of connector assembly with main circuit board is connected.
Preferably, the light touch switch assembly is installed in the plastic shell and comprises a switch circuit board, a power key button and a mode key button, two light touch switches are arranged on the switch circuit board, a button gland is installed on the switch circuit board, button holes for installing the power key button and the mode key button are formed in the plastic shell, the button gland is connected with the switch circuit board through screws, the button gland covers the outer sides of the two light touch switches, and the switch circuit board is connected with the main circuit board through a circuit with a connecting plug-in unit.
Preferably, the power motor is a direct current micro motor, the shock pad is installed in the plastic shell, and the shock pad is installed at the tail end of the shutter baffle stroke; the gear dustproof cover is used for preventing foreign matters from entering a gear and rack meshed area, the gear is driven to rotate through the power motor, the gear is meshed with the rack, the shutter baffle can be driven to move left and right during gear rotation, the observation channel is opened when the round hole in the shutter baffle is aligned to the observation channel of the lens cone, and the observation channel is closed when the round hole is not aligned to the observation channel of the lens cone.
Preferably, be provided with on the plastic casing and be used for the installation the draw-in groove of concave lens, two eyepiece subassemblies and two concave lens all with the interior axis bilateral symmetry of plastic casing distributes, install the protecgulum on the plastic casing, the protecgulum is located the one end of concave lens, just the protecgulum supports on the U-shaped translucent cover, eyepiece subassembly with concave lens all with the observation hole of massage pad distributes with the axle center, convex lens installs the bull head end of lens cone, the eyepiece cover passes through threaded connection the bull head end of lens cone.
Preferably, the plastic shell is provided with a U-shaped transparent cover, the U-shaped transparent cover is tightly attached to the rear end of the plastic shell, and the plastic shell is provided with a buckle mechanism for fixing the U-shaped transparent cover.
Compared with the related art, the binocular natural light vision training equipment provided by the utility model has the following beneficial effects:
according to the binocular natural light vision training equipment provided by the utility model, through the mutual matching of all parts in the shutter baffle assembly, foreign matters can be prevented from entering the position where the gear and the rack are meshed, the normal operation of the gear and the rack is ensured, and the long-term stable operation of the gear and the rack is ensured.
According to the binocular natural light vision training equipment, through the mutual matching of all the components in the battery module, the rechargeable lithium battery is used, the environment is protected, and inconvenience caused by battery replacement is avoided.
According to the binocular natural light vision training equipment provided by the utility model, the voice reminding function can be added through the mutual matching of all the parts in the voice reminding component, a user who is in contact with a product for the first time or is not familiar with the use method can be helped to quickly master the use method, the training content is guided to be correctly completed, the expected training effect is achieved, meanwhile, the use state of equipment can be known in time through voice reminding, and the maintenance of the equipment is facilitated.
According to the binocular natural light vision training equipment, the OLED display screen is mounted for displaying through the mutual matching of all the parts in the display screen assembly, the human-computer interaction defect of the equipment is improved, a user can more accurately master the running state of the equipment, and the effective utilization rate of the equipment is improved.
According to the binocular natural light vision training equipment, due to the fact that all parts in the light touch switch assembly are matched with one another, abnormal starting caused by false triggering can be avoided, electricity consumption is saved, and meanwhile the requirement for safe use of modern electronic products is met better.
According to the binocular natural light vision training equipment, the convex lens is convenient to mount and dismount through mutual matching of all parts in the imaging assembly, so that the assembly and after-sale service are more convenient.
According to the binocular natural light vision training equipment, after the installation mode of the headband is changed, the effectiveness and the stability of equipment wearing are guaranteed.
The binocular natural light vision training equipment provided by the utility model is additionally provided with the light leakage prevention protective wings of the massage cushion, improves the training environment in use, reduces the interference of external factors and improves the training quality and effect.
Drawings
Fig. 1 is a schematic structural view of a binocular natural light vision training apparatus.
Fig. 2 is a schematic structural diagram of a charging dust cap in a binocular natural light vision training device.
Fig. 3 is a schematic view of the internal structure of a plastic shell in a binocular natural light vision training apparatus.
Fig. 4 is a schematic structural diagram of a binocular natural light vision training apparatus.
Fig. 5 is a cross-sectional view taken at a-a in fig. 4 of a binocular-type natural-light vision training apparatus.
Fig. 6 is a schematic structural view of a headband axis in a binocular natural light vision training device.
Fig. 7 is a connection diagram of a gear and a rack in a binocular natural light vision training apparatus.
Fig. 8 is a schematic structural view of an eyepiece cover in a binocular natural light vision training apparatus.
Reference numbers in the figures: 1. an upper cover; 2. an anti-slip headband; 3. a massage cushion; 4. a headband pad; 5. a charging dust cover; 6. a plastic housing; 7. a U-shaped transparent cover; 8. a display screen opening; 9. a power key button; 10. a mode key button; 11. a headband shaft; 12. A main circuit board; 13. a lithium battery; 14. a lens barrel; 15. a shock pad; 16. a concave lens optic; 17. a front cover; 18. a direct current micro-motor; 19. a shutter plate; 21. a gear dust cover; 22. a speaker; 23. an OLED display screen; 24. a switch circuit board; 25. a gear; 26. a convex lens optic; 27. a button gland; 28. an eyepiece cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 1-8, the utility model comprises an upper cover 1 and a plastic shell 6, wherein an inner cavity is arranged in the plastic shell 6, a massage pad 3 is arranged on the plastic shell 6, the massage pad 3 is tightly attached to the plastic shell 6, the outermost edge of the massage pad 3 is provided with an anti-light leakage protection wing structure, the middle part of the massage pad 3 is provided with two observation holes with the same interpupillary distance with eyes, massage contacts are distributed around the observation holes, an anti-skid head band 2 is arranged on the plastic shell 6, and a main circuit board 12 is arranged in the plastic shell 6;
a battery component is arranged in the plastic shell 6;
a shutter baffle assembly is installed in the plastic shell 6, the shutter baffle assembly comprises a shutter baffle 19, a gear 25, a gear dustproof cover 21, a power motor and a shock pad 15, an output shaft of the power motor is connected with the gear 25, a rack is arranged on the shutter baffle 19, the gear 25 is matched with the rack, the gear dustproof cover 21 is positioned between the output shaft of the motor and the gear 25, the gear dustproof cover 21 is fixed on the shutter baffle 19, and a round hole is formed in the shutter baffle 19;
an imaging assembly is arranged in the plastic shell 6 and comprises two eyepiece assemblies and two concave lens pieces 16, wherein the eyepiece assemblies comprise a convex lens piece 26, a lens cone 14 and an eyepiece cover 28.
Example two
On the basis of the first embodiment, a light-touch switch assembly is installed in the plastic shell 6, the light-touch switch assembly comprises a switch circuit board 24, a power key button 9 and a mode key button 10, two light-touch switches are arranged on the switch circuit board 24, a button gland 27 is installed on the switch circuit board 24, button holes for installing the power key button 9 and the mode key button 10 are formed in the plastic shell 6, the button gland 27 is connected with the switch circuit board 24 through screws, the button gland 27 covers the outer sides of the two light-touch switches, and the switch circuit board 24 is connected with the main circuit board 12 through a circuit with a plug-in unit; when the training device is used, the power key button 9 is pressed for a long time to start the machine, the mode key button 10 is pressed for a short time to select a training mode, the mode key button 10 is pressed for a long time after the training program is selected to start the training program, the machine is automatically shut down after the training program is finished, and when the machine needs to be shut down in the running process, the power key button 9 can be pressed for a long time to realize the shutdown.
EXAMPLE III
The utility model comprises an upper cover 1 and a plastic shell 6, wherein the upper cover 1 is connected with the plastic shell 6 through screws, an inner cavity is arranged in the plastic shell 6, a U-shaped transparent cover 7 is arranged on the plastic shell 6, the U-shaped transparent cover 7 is tightly attached to the rear end of the plastic shell 6, a buckle mechanism for fixing the U-shaped transparent cover 7 is arranged on the plastic shell 6, a massage cushion 3 is arranged on the plastic shell 6, an inverted buckle rib strip for installing the massage cushion 3 is arranged on the plastic shell 6, the massage cushion 3 is tightly attached to the plastic shell 6, the outermost edge of the massage cushion 3 is provided with a light leakage prevention structure, the middle part of the massage cushion 3 is provided with two observation holes with the same pupil distance as eyes, massage contacts are distributed around the observation holes, an anti-skid head belt 2 is arranged on the plastic shell 6, the anti-skid head belt cushion 4 is arranged on the anti-skid head belt 2, and two ends of the anti-skid head belt 2 are clamped into a head belt shaft 11, the headband shaft 11 is arranged on the inner side of the plastic shell 6, and the main circuit board 12 is arranged in the plastic shell 6;
a battery assembly is arranged in the plastic shell 6 and comprises a lithium battery 13, a power management chip, a charging interface and a charging dustproof cover 5, the lithium battery 13 is connected with a main circuit board 12 through a line with a connector, the power management chip and the charging interface are arranged on the main circuit board 12, the charging interface adopts a TYPEC interface, a charging opening is arranged on the plastic shell 6, the TYPEC interface is arranged at the position of the charging opening, and the charging dustproof cover 5 is used for sealing the charging interface; when the charging device is used at ordinary times, the charging port charging dustproof cover 5 is in a closed state, and foreign matters are prevented from entering the charging interface to cause blockage;
a voice prompt component is arranged in the plastic shell 6, the voice prompt component comprises a loudspeaker 22 and a voice chip, a rib plate is arranged in the plastic shell 6, the loudspeaker 22 is arranged on the rib plate, the voice chip is arranged on the main circuit board 12, and the loudspeaker 22 is connected with the main circuit board 12 through a line with a plug-in; when the equipment is operated, the loudspeaker 22 plays the voice content recorded in the voice chip in advance under the control of the main circuit board 12, and explains the use method of the equipment for users;
a display screen assembly is arranged in the plastic shell 6, the display screen assembly comprises an OLED display screen 23, a display screen opening 8 for installing the OLED display screen 23 is formed in the plastic shell 6, and the OLED display screen 23 is connected with the main circuit board 12 through a circuit with a connecting plug-in unit; when the device is operated, the OLED display screen 23 displays different working modes and the electric quantity state of the lithium battery 13 under the control of the main circuit board 12;
a light-touch switch assembly is arranged in the plastic shell 6, the light-touch switch assembly comprises a switch circuit board 24, a power key button 9 and a mode key button 10, two light-touch switches are arranged on the switch circuit board 24, a button gland 27 is arranged on the switch circuit board 24, button holes for installing the power key button 9 and the mode key button 10 are arranged on the plastic shell 6, the button gland 27 is connected with the switch circuit board 24 through screws, the button gland 27 covers the outer sides of the two light-touch switches, and the switch circuit board 24 is connected with the main circuit board 12 through a circuit with a plug-in unit; when the training device is used, the power key button 9 is pressed for a long time to start the machine, the mode key button 10 is pressed for a short time to select a training mode, the training program is started after the mode key button 10 is pressed for a long time, the machine is automatically shut down after the training program is finished, and when the machine needs to be shut down in the running process, the power key button 9 can be pressed for a long time to realize the shutdown;
a shutter baffle assembly is installed in the plastic shell 6, the shutter baffle assembly comprises a shutter baffle 19, a gear 25, a gear dustproof cover 21, a power motor and a shock pad 15, the power motor adopts a direct-current micro motor 18, an output shaft of the power motor is connected with the gear 25, a rack is arranged on the shutter baffle 19, the gear 25 is matched with the rack, the gear dustproof cover 21 is positioned between the output shaft of the motor and the gear 25, the gear dustproof cover 21 is fixed on the shutter baffle 19, a round hole is formed in the shutter baffle 19, the shock pad 15 is installed in the plastic shell 6, and the shock pad 15 is installed at the tail end of the stroke of the shutter baffle 19; the gear dustproof cover 21 is used for preventing foreign matters from entering a region where the gear 25 is meshed with the rack, the gear 25 is driven to rotate through the power motor, the gear 25 is meshed with the rack, the shutter baffle 19 can be driven to move left and right when the gear 25 rotates, the observation channel is opened when a round hole in the shutter baffle 19 is aligned with the observation channel of the lens cone 14, and the observation channel is closed when the round hole is not aligned with the observation channel of the lens cone 14;
an imaging assembly is arranged in the plastic shell 6, the imaging assembly comprises two eyepiece assemblies and two concave lens pieces 16, a clamping groove for mounting the concave lens pieces 16 is formed in the plastic shell 6, the two eyepiece assemblies and the two concave lens pieces 16 are symmetrically distributed in a left-right mode through the central axis in the plastic shell 6, a front cover 17 is arranged on the plastic shell 6, the front cover 17 is located at one end of each concave lens piece 16, the front cover 17 abuts against the U-shaped transparent cover 7, the eyepiece assemblies and the concave lens pieces 16 are coaxially distributed with the observation hole of the massage pad 3, each eyepiece assembly comprises a convex lens piece 26, a lens barrel 14 and an eyepiece cover 28, the convex lens piece 26 is mounted at the large-head end of the lens barrel 14, and the eyepiece cover 28 is connected with the large-head end of the lens barrel 14 through threads; when in use, training is carried out through an observation channel formed by the convex lens 26, the lens barrel 14 and the concave lens 16.
The working principle is as follows:
when the charging device is used, the charging dustproof cover 5 is opened during charging, the charging wire is connected with the charging interface, and the charging dustproof cover 5 of the charging interface is in a closed state during normal use, so that foreign matters are prevented from entering the charging interface to cause blockage; when the equipment is operated, the loudspeaker 22 plays the voice content recorded in the voice chip in advance under the control of the main circuit board 12, and explains the use method of the equipment for users; when the device is operated, the OLED display screen 23 displays different working modes and the electric quantity state of the lithium battery 13 under the control of the main circuit board 12; when the training device is used, the power key button 9 is pressed for a long time to start the machine, the mode key button 10 is pressed for a short time to select a training mode, the training program is started after the mode key button 10 is pressed for a long time, the machine is automatically shut down after the training program is finished, and when the machine needs to be shut down in the running process, the power key button 9 can be pressed for a long time to realize the shutdown;
through the mutual cooperation of components such as shutter baffle subassembly, gear shield 21 is used for preventing that the foreign matter from entering into gear 25 and the region of rack meshing, drives gear 25 through the power motor and rotates, and gear 25 meshes with the rack, can drive shutter baffle 19 side-to-side movement when gear 25 rotates, and the round hole on shutter baffle 19 is aimed at the observation passageway of lens cone 14, and this observation passageway is opened when the round hole is not aimed at the observation passageway of lens cone 14, and this observation passageway is closed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A binocular type natural light vision training device comprises an upper cover (1) and a plastic shell (6), and is characterized in that an inner cavity is formed in the plastic shell (6), a massage pad (3) is installed on the plastic shell (6), the massage pad (3) is tightly attached to the plastic shell (6), an anti-light leakage protective wing structure is arranged on the outermost edge of the massage pad (3), two observation holes with the same pupil distance as eyes are formed in the middle of the massage pad (3), massage contacts are distributed around the observation holes, an anti-slip head band (2) is installed on the plastic shell (6), and a main circuit board (12) is installed in the plastic shell (6);
a battery component is arranged in the plastic shell (6);
a shutter baffle assembly is installed in the plastic shell (6), the shutter baffle assembly comprises a shutter baffle (19), a gear (25), a gear dustproof cover (21), a power motor and a shock pad (15), an output shaft of the power motor is connected with the gear (25), a rack is arranged on the shutter baffle (19), the gear (25) is matched with the rack, the gear dustproof cover (21) is located between the output shaft of the motor and the gear (25), the gear dustproof cover (21) is fixed on the shutter baffle (19), and a round hole is formed in the shutter baffle (19);
an imaging assembly is installed in the plastic shell (6), the imaging assembly comprises two eyepiece assemblies and two concave lens pieces (16), and the eyepiece assemblies comprise convex lens pieces (26), a lens barrel (14) and an eyepiece cover (28).
2. The binocular natural light vision training apparatus as claimed in claim 1, wherein the upper cover (1) is connected with the plastic housing (6) through screws, and the plastic housing (6) is provided with inverted ribs for mounting the massage pads (3).
3. The binocular natural light vision training equipment as claimed in claim 1, wherein the anti-slip headband (2) is provided with a headband pad (4) for anti-slip, both ends of the anti-slip headband (2) are clamped into the headband shaft (11), and the headband shaft (11) is mounted inside the plastic shell (6).
4. The binocular TYPE natural light vision training device of claim 1, wherein the battery assembly comprises a lithium battery (13), a power management chip, a charging interface and a charging dust cover (5), the lithium battery (13) is connected with a main circuit board (12) through a line with a connector, the power management chip and the charging interface are installed on the main circuit board (12), the charging interface adopts a TYPE C interface, a charging opening is arranged on the plastic shell (6), the TYPE C interface is installed at the position of the charging opening, and the charging dust cover (5) is used for sealing the charging interface.
5. The binocular type natural light vision training apparatus according to claim 1, wherein a voice prompt component is installed in the plastic casing (6), the voice prompt component comprises a speaker (22) and a voice chip, a rib plate is installed in the plastic casing (6), the speaker (22) is installed on the rib plate, the voice chip is installed on the main circuit board (12), and the speaker (22) is connected with the main circuit board (12) through a line with a connector.
6. A binocular natural light vision training apparatus as defined in claim 1, wherein a display screen assembly is mounted in the plastic housing (6), the display screen assembly comprises an OLED display screen (23), a display screen opening (8) for mounting the OLED display screen (23) is provided in the plastic housing (6), and the OLED display screen (23) is connected to the main circuit board (12) by a circuit with a connector.
7. The natural light vision training device of claim 1, wherein said natural light vision training device is a binocular type natural light vision training device, a touch switch component is arranged in the plastic shell (6), the touch switch component comprises a switch circuit board (24), a power key button (9) and a mode key button (10), two tact switches are arranged on the switch circuit board (24), a button gland (27) is arranged on the switch circuit board (24), the plastic shell (6) is provided with button holes for installing the power key button (9) and the mode key button (10), the button gland (27) is connected with the switch circuit board (24) through screws, and the button pressing covers (27) are covered on the outer sides of the two tact switches, and the switch circuit board (24) is connected with the main circuit board (12) through a circuit with a connecting plug-in.
8. A natural light vision training apparatus of the binocular type according to claim 1, wherein the power motor is a dc micro motor (18), the shock absorbing pad (15) is installed in the plastic housing (6), the shock absorbing pad (15) is installed at the end of the stroke of the shutter baffle (19); the gear dustproof cover (21) is used for preventing foreign matters from entering a region where the gear (25) is meshed with the rack, the gear (25) is driven to rotate by the power motor, the gear (25) is meshed with the rack, the gear (25) can drive the shutter baffle (19) to move left and right when rotating, the observation channel is opened when a round hole in the shutter baffle (19) is aligned to the observation channel of the lens cone (14), and the observation channel is closed when the round hole is not aligned to the observation channel of the lens cone (14).
9. The natural light vision training device of claim 1, wherein said natural light vision training device is a binocular type natural light vision training device, the plastic shell (6) is provided with a clamping groove for mounting the concave lens (16), the two eyepiece components and the two concave lens (16) are symmetrically distributed at the left and right sides of the central axis in the plastic shell (6), a front cover (17) is arranged on the plastic shell (6), the front cover (17) is positioned at one end of the concave lens (16), a U-shaped transparent cover (7) is arranged on the plastic shell (6), the front cover (17) is propped against the U-shaped transparent cover (7), the eyepiece component and the concave lens (16) are coaxially distributed with the observation hole of the massage cushion (3), the convex lens (26) is arranged at the big end of the lens cone (14), the eyepiece cover (28) is connected with the big end of the lens barrel (14) through threads.
10. The binocular natural light vision training apparatus of claim 9, wherein the U-shaped transparent cover (7) is closely attached to the rear end of the plastic housing (6), and a fastening mechanism for fixing the U-shaped transparent cover (7) is installed on the plastic housing (6).
CN202122408973.7U 2021-09-30 2021-09-30 Binocular type natural light vision training equipment Active CN216258175U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122408973.7U CN216258175U (en) 2021-09-30 2021-09-30 Binocular type natural light vision training equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122408973.7U CN216258175U (en) 2021-09-30 2021-09-30 Binocular type natural light vision training equipment

Publications (1)

Publication Number Publication Date
CN216258175U true CN216258175U (en) 2022-04-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122408973.7U Active CN216258175U (en) 2021-09-30 2021-09-30 Binocular type natural light vision training equipment

Country Status (1)

Country Link
CN (1) CN216258175U (en)

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