A shaft control instrument

Abstract

The application relates to the technical field of optical equipment, in particular to a control axis instrument, which comprises a pupil distance adjusting mechanism, a light source generating device and a supporting mechanism, the light source generating device is installed at the rear end of a lens barrel, the supporting mechanism is used for installing and supporting the pupil distance adjusting mechanism and the light source generating device, the pupil distance adjusting mechanism comprises a lens barrel holder, an adjusting assembly and a limiting assembly, the lens barrel holder is used for installing the lens barrel, the adjusting assembly comprises an adjusting wheel and a transmission part, the adjusting wheel is connected with the transmission part, the limiting assembly comprises a limiting cavity, the limiting cavity is used for limiting and guiding the movement of the transmission part, the adjusting wheel drives the transmission part to move under the guidance of the limiting cavity, and then drives the corresponding lens barrel holder to move, so that the corresponding lens barrel and the light source generating device can move with the lens barrel holder; compared with the prior art, the application has the beneficial effects of a stable adjusting mode of multiple pupil distances, replaceability of the lens, combination of the rotating assembly and the lens diversity, good applicability and application range.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of optical equipment, in particular to a control axis instrument. BACKGROUND

[0002] With the development of science and technology, electronic products are widely used, and people spend more and more time and energy on electronic products, which directly leads to overuse of eyes, especially the number of myopia of teenagers is rising rapidly, and in order to prevent and treat myopia, the types and quantities of vision correction instruments are increasing, among which the control axis instrument using optical principle is commonly used, however, the existing control axis instrument equipment forms uneven eye entering light spot, and due to the different interpupillary distances of users and the different heights of users, the existing equipment has great limitations for different needs of different users, in order to adapt to different types of people and provide better user experience for users, the present application provides a control axis instrument. SUMMARY

[0003] The purpose of the present application is to provide a control axis instrument, which can ensure that the light beam of the light source forms a qualified eye entering light spot through refraction and dispersion processing of the light beam emitted by the light source, so as to solve the technical defects and technical requirements that cannot be met.

[0004] In order to achieve the above purpose, the present application provides the following technical scheme: a control axis instrument, comprising an interpupillary distance adjusting mechanism, a light source generating device, a supporting mechanism and an outer shell, the light source generating device is installed at the rear end of the lens barrel, the supporting mechanism is used for installing and supporting the interpupillary distance adjusting mechanism and the light source generating device.

[0005] The interpupillary distance adjusting mechanism comprises a lens barrel holder, an adjusting assembly and a limiting assembly, the lens barrel holder is used for installing the lens barrel, the adjusting assembly comprises an adjusting wheel and a transmission member, the adjusting wheel is connected with the transmission member, and the transmission member is integrally formed with the lens barrel holder or is fastened and connected between the lens barrel holder.

[0006] The limiting assembly comprises a limiting cavity, and the limiting cavity is used for limiting and guiding the movement of the transmission member.

[0007] The adjusting wheel drives the transmission member to move under the guidance of the limiting cavity, and then drives the corresponding lens barrel holder to move, so as to realize the movement of the corresponding lens barrel and the light source generating device with the lens barrel holder, the lens barrel holder is used in cooperation with the limiting member, and the specific mode is that the limiting member is connected with the lens barrel holder through the transmission member, or the limiting member is directly connected with the lens barrel holder.

[0008] The shell body is used for packaging the pupil distance adjusting mechanism and the light source generating device, the shell body is connected with a rotating assembly for adjusting the angle of the shell body and the height of the front end of the lens barrel, the shell body comprises an upper cover and a sliding cover, the upper cover is provided with a sliding groove, the sliding cover is movably connected with the sliding groove, the sliding cover can reciprocate along the sliding groove to cover or open the notch on the upper cover, so as to realize lens replacement, the clamping groove is in communication with the notch on the upper cover, and the base is provided with a display screen, an NFC module and a mainboard.

[0009] The light source generating device comprises a light source and a cover cup, the light source is nested in the cover cup, the cover cup is used for refracting the light beam emitted by the light source, dispersing the light into the barrel tube of the lens barrel, and uniformly dispersing the light into qualified eye entrance light spots by the plug-in lens.

[0010] Preferably, the limiting assembly further comprises at least one limiting piece; the limiting piece moves in the limiting cavity, and the limiting piece is integrally formed with the transmission piece or is fastened to the transmission piece;

[0011] The limiting assembly further comprises at least one limiting frame and at least one limiting component, the limiting cavity is arranged on the limiting frame, the limiting piece can be arranged as one, two or four as needed, the limiting frame is used in cooperation with the limiting piece, different limiting pieces and different limiting frames have different cooperation relationships, and specific cooperation relationships will be illustrated in detail in the specific embodiments below, and the limiting frame is selected as one or two as needed.

[0012] The limiting frame and the limiting component are integrally formed or are fastened, the limiting cavity limits and guides the movement of the limiting piece, and further limits and guides the movement of the transmission piece, so as to limit and guide the movement of the lens barrel.

[0013] Preferably, the transmission piece is provided with first gear teeth, the adjusting wheel is provided with second gear teeth, and the first gear teeth on the transmission piece are in meshing connection with the second gear teeth on the adjusting wheel.

[0014] The transmission piece adopts a gear condition, and the gear condition is in meshing connection with the adjusting wheel.

[0015] Preferably, the adjusting assembly further comprises a connecting shaft, the connecting shaft is sleeved with the adjusting wheel, and the adjusting wheel is provided with an operation part.

[0016] The adjusting wheel can rotate around the connecting shaft, or the adjusting wheel can rotate synchronously with the connecting shaft.

[0017] The connecting shaft is installed in the limiting component.

[0018] Preferably, the limiting cavity is designed in the form of a through groove, or the limiting cavity is designed in the form of a groove, and the cross section of the limiting cavity can be polygonal or circular arc, and the shape is preferably oblong.

[0019] Preferably, the cup and the light source are arranged in a light source mounting assembly, the mounting body is provided with a clamping groove, the clamping groove is used to mount a lens, the lens is replaced by plugging in the clamping groove, so that the lens is plugged in to uniformly diffuse the light into qualified eye entrance light spots, or the light source mounting assembly further comprises a lens holder, the mounting body is provided with a clamping groove, the lens holder is plugged into the clamping groove, the lens holder is used to mount a lens, and the lens is replaced by plugging the lens holder in the clamping groove, so that the lens is plugged in to uniformly diffuse the light into qualified eye entrance light spots.

[0020] Preferably, the cup is provided with a first cavity and a second cavity, the first cavity and the second cavity are in communication with each other, or a transparent piece is arranged between the first cavity and the second cavity, the outer walls of the first cavity and the second cavity are uniformly and smoothly designed, the wall thickness of the first cavity is 1-4mm, the depth of the first cavity is 6-12mm, and the first cavity is used to mount a light emitter.

[0021] The thickness of the transparent piece is 1-4mm.

[0022] The wall thickness of the second cavity is 1-6mm, the length of the side wall of the second cavity is 6-15mm, and the included angle between the generatrix of the second cavity and the axis is 30-60°.

[0023] The light source is nested in the first cavity of the cup, and the second cavity is gradually expanded, that is, the inner diameter of the second cavity gradually increases from inside to outside.

[0024] Preferably, the light beam emitted by the light source is red light; the cup is a transparent element made of graphene material, the stimulating effect of red graphene quantum light on the human eye is small, and the red light emitted by the light source can be selected as 630-650nm red graphene quantum light with a wavelength of 650nm;

[0025] The light transmittance of the lens is 50%-99%, and the light transmittance is set to several stops according to the needs of the user, specifically 50%, 55%, 60%, 63%, 66%, 69%, 72%, 75%, 78%, 81%, 86%, 91%, etc. 12 stops, a variety of light transmittance lenses are used to be suitable for different types of users, so that the application has wider applicability;

[0026] The light source comprises a light emitting source, a light emitting body and a circuit board, the light emitting source is installed in the light emitting body, one end of the light emitting body is nested in a cover cup, the other end of the light emitting body is installed on the circuit board, and the light emitting body can limit, protect and dissipate heat for the light emitting source.

[0027] Preferably, the light source mounting assembly further comprises a connecting piece located at the rear end of the mounting body, the connecting piece is used for mounting the circuit board, and an elastic piece is further arranged at the position where the circuit board is connected with the connecting piece, the elastic piece can be used for adjusting the concentricity between the light beam emitted by the light source and the lens barrel, the light source mounting assembly further comprises a second limiting piece arranged in the mounting body, the second limiting piece is used for limiting the cover cup, and the second limiting piece can be a plurality of protrusions arranged in a ring shape or a convex ring;

[0028] The light source mounting assembly is connected with the lens barrel, and the light source mounting assembly is further connected with a supporting piece used for supporting the light source mounting assembly.

[0029] The connecting piece is provided with a limiting groove around the connecting piece, and the limiting groove is used for mounting the elastic piece.

[0030] Preferably, the lens barrel comprises a barrel, a lens sleeve, a transparent plate and a lens barrel soft sleeve, the lens sleeve is installed at one end of the barrel, the lens sleeve is connected with the lens barrel soft sleeve, and the lens barrel soft sleeve is provided with the transparent plate between the lens sleeve.

[0031] Compared with the prior art, the application has the following beneficial effects:

[0032] In the application, the adjustment of the pupil distance is diversified because the adjustment wheel can independently adjust a single lens barrel. In order to make the light beam uniformly form a qualified eye entrance spot, the cover cup is arranged in the application, the cover cup refracts the light beam in advance before the light beam is dispersed by the lens, for the lens which plays a role in dispersing the light beam, the lens is installed in a plug-in manner, so that lenses with different transmittances can be replaced, the cooperation of the cover cup and the lens makes the light beam uniformly form a qualified eye entrance spot, and the replacement of the lenses with different transmittances meets the different use requirements of different groups of people. The rotating assembly is arranged in the application, different angles and heights are provided for the user, and the application range of the application is further expanded. In summary, the beneficial effects of the application relative to the prior art are the diversified pupil distance adjustment modes, the replaceability of the lens, the combination of the rotating assembly and the lens diversity, good applicability and application range. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 The overall structure of the present application is shown in the figure;

[0034] Figure 2 The specific structure of the present application is shown in the figure;

[0035] Figure 3 The overall structure of the pupil distance adjusting mechanism is shown in the figure;

[0036] Figure 4 The structure of the pupil distance adjusting mechanism is shown in the figure;

[0037] Figure 5 The partial enlarged view of the adjusting assembly and the limiting assembly in the pupil distance adjusting mechanism is shown in the figure;

[0038] Figure 6 The assembly view of a limiting rack in the pupil distance adjusting mechanism is shown in the figure;

[0039] Figure 7 The sectional view of the limiting rack shown in the figure; Figure 6

[0040] Figure 8 The combined structure of the lens barrel rack and the transmission member in the pupil distance adjusting mechanism is shown in the figure;

[0041] Figure 9 The structure of a limiting rack different from the one shown in the figure in the pupil distance adjusting mechanism is shown in the figure; Figure 6

[0042] Figure 10 The overall structure of the light source generating device is shown in the figure;

[0043] Figure 11 The exploded structure of the light source generating device is shown in the figure;

[0044] Figure 12 The structure of the mounting body of the light source generating device is shown in the figure;

[0045] Figure 13 The rear view of the mounting body of the light source generating device is shown in the figure;

[0046] Figure 14 The sectional view of the mounting body of the light source generating device is shown in the figure;

[0047] Figure 15 The structure of the light source of the light source generating device is shown in the figure;

[0048] Figure 16 The sectional view of the cover cup of the light source generating device is shown in the figure;

[0049] Figure 17 The schematic view of the rotating assembly in the present application is shown in the figure;

[0050] Figure 18 ​​For the upper cover schematic diagram in the application;

[0051] Figure 19 For the graphene quantum light release schematic diagram in the application:

[0052] In the figure: lens barrel holder 1, adjusting assembly 2, limiting assembly 3, lens barrel 4, adjusting wheel 5, transmission member 6, limiting cavity 7, limiting member 8, limiting holder 9, limiting component 10, first wheel tooth 11, second wheel tooth 12, connecting shaft 13, operation part 14, light source 18, cover cup 19, light source mounting assembly 20, mounting body 21, clamping groove 22, lens holder 23, lens 24, first cavity 25, second cavity 26, transparent member 27, light emitting source 28, light emitting body 29, circuit board 30, first limiting member 31, connecting member 32, elastic member 33, second limiting member 34, supporting member 35, limiting groove 36, barrel tube 37, lens sleeve 38, transparent plate 39, lens barrel soft rubber sleeve 40, supporting mechanism 41, outer shell 42, upper cover 43, sliding cover 44, sliding groove 45, notch 46, pupil distance adjusting mechanism 47, light source generating device 48, base 49, display screen 50, mainboard 51, NFC module 52, rotating assembly 53, rotating shaft inner sleeve 54, rotating shaft outer sleeve 55. DETAILED DESCRIPTION

[0053] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0054] Please refer to Figures 1-18 , the embodiments of the application

[0055] Embodiment 1:

[0056] As Figures 1-2 shown, a control shaft instrument includes a pupil distance adjusting mechanism 47, a light source generating device 48, a supporting mechanism 41 and an outer shell 42. The light source generating device 48 is installed at the rear end of the lens barrel 4. The supporting mechanism 41 is used for installing and supporting the pupil distance adjusting mechanism 47 and the light source generating device 48. The supporting mechanism 41 includes a base 49, a supporting holder and a rotating assembly 53. The rotating assembly 53 includes a rotating shaft outer sleeve 55 and a rotating shaft inner sleeve 54. The rotating shaft outer sleeve 55 and the rotating shaft inner sleeve 54 are connected by gear meshing.

[0057] The bottom end of the supporting holder is tightly connected with the base. The top end of the supporting holder is provided with the rotating assembly 53. The rotating assembly 53 is used for adjusting and controlling the up-down flipping movement of the outer shell 42 in the front-rear direction, so as to adapt to users of different heights.

[0058] The pupil distance adjusting mechanism 47 comprises a lens barrel holder 1 for mounting a lens barrel 4, an adjusting assembly 2, and a limiting assembly 3, the adjusting assembly 2 comprises an adjusting wheel 5 and a transmission member 6, the adjusting wheel 5 is connected with the transmission member 6, and the transmission member 6 is integrally formed with the lens barrel holder 1 or is fastened with the lens barrel holder 1;

[0059] As shown in Figure 5 , the limiting assembly 3 comprises a limiting cavity 7 for defining and guiding the movement of the transmission member 6;

[0060] As shown in Figure 2 , 17 , 18, the outer shell 42 is used for packaging the pupil distance adjusting mechanism 47 and the light source generating device 48, and the outer shell 42 is connected with a rotating assembly 53, the inner sleeve 54 of the rotating shaft of the rotating assembly 53 is connected with the outer shell 42, and the outer sleeve 55 of the rotating shaft of the rotating assembly 53 is connected with the support frame, the outer shell 42 comprises an upper cover 43 and a sliding cover 44, the upper cover 43 is provided with a sliding groove 45, the sliding cover 44 is movably connected with the sliding groove 45, and the sliding cover 44 can reciprocate along the sliding groove 45 to cover or open the slot 46 on the upper cover 43, the clamping groove 22 is in communication with the slot 46 on the upper cover 43, and the slot 46 is used for plugging the lens holder 23 to replace the lens 24, and the base 49 is provided with a display screen 50, an NFC module 52 and a mainboard 51.

[0061] As shown in Figures 3-9 , the adjusting wheel 5 drives the transmission member 6 to move under the guidance of the limiting cavity 7, and then drives the corresponding lens barrel holder 1 to move, so that the corresponding lens barrel 4 and the light source generating device 48 move with the lens barrel holder 1, the lens barrel holder 1 is used in cooperation with the limiting member 8, (the limiting member 8 is divided into two kinds, i.e. limiting member 8-1 and limiting member 8-2, and the limiting member 8-1 comprises two strip-shaped limiting structures or at least one sheet-shaped structure) the transmission member 6 connects the lens barrel holder 1-1 with the limiting member 8-1, and the limiting member 8-2 is directly connected with the lens barrel holder 1-2, four lens barrel holders 1 are adopted, two lens barrel holders 1-1 are located at the front end of the lens barrel 4, and two lens barrel holders 1-2 are located at the rear end of the lens barrel 4, and are respectively arranged at the two ends of the lens barrel 4.

[0062] As shown in Figures 10-11 , the light source generating device 48 comprises a light source 18 and a cover cup 19, the light source 18 is nested in the cover cup 19, the cover cup 19 is used for refracting the light beam emitted by the light source 18, achieving dispersing the light into the barrel tube 37 of the lens barrel 4, and then uniformly dispersing the light into qualified eye entrance light spots by the plug-in lens, and the lens can be replaced, so that the light source generating device 48 can be used by more people;

[0063] As shown in Figures 6-8As shown, the limiting assembly 3 further comprises at least one limiting piece 8; the limiting piece 8 moves in the limiting cavity 7, the limiting piece 8 is integrally formed with the transmission piece 6, or the limiting piece 8 is fastened with the transmission piece 6;

[0064] As shown in the figure, Figures 4-7 As shown, the limiting assembly 3 further comprises at least one limiting piece 8; the limiting piece 8 moves in the limiting cavity 7, the limiting piece 8 is integrally formed with the transmission piece 6, or the limiting piece 8 is fastened with the transmission piece 6;

[0065] As shown in the figure, Figure 4 As shown, the limiting piece 8 and the limiting part 10 are integrally formed, or the limiting piece 8 and the limiting part 10 are fastened, the limiting cavity 7 limits and guides the movement of the limiting piece 8, and then limits and guides the movement of the transmission piece 6, so as to limit and guide the movement of the lens barrel 4.

[0066] As shown in the figure, Figure 5 As shown, the transmission piece 6 is provided with first gear teeth 11, and the adjusting wheel 5 is provided with second gear teeth 12, the first gear teeth 11 on the transmission piece 6 are in meshing connection with the second gear teeth 12 on the adjusting wheel 5.

[0067] The transmission piece 6 adopts gear condition, and the gear condition is in meshing connection with the adjusting wheel 5.

[0068] The adjusting assembly 2 further comprises a connecting shaft 13, the adjusting wheel 5 is sleeved on the connecting shaft 13, and the adjusting wheel 5 is provided with an operation part 14.

[0069] The adjusting wheel 5 rotates synchronously with the connecting shaft 13.

[0070] The connecting shaft 13 is installed in the limiting part 10, and the connecting shaft 13 is in sliding connection with the limiting part 10.

[0071] The limiting cavity 7 is designed as a through slot with a quadrilateral cross section.

[0072] As shown in the figure, Figure 11As shown, the cup 19 and the light source 18 are arranged in the light source 18 mounting assembly, the light source 18 mounting assembly comprises a mounting body 21, a lens holder 23, the mounting body 21 is provided with a clamping groove 22, the lens holder 23 is installed in the clamping groove 22 in a plug-in manner, the lens holder 23 is used for mounting a lens 24, the lens 24 is replaced by plugging the lens holder 23 in the clamping groove 22, so that the plug-in lens 24 uniformly disperses the light into qualified eye entrance light spots.

[0073] As shown in the figure, Figure 16 The cup 19 is provided with a first cavity 25 and a second cavity 26, the first cavity 25 and the second cavity 26 are provided with a transparent piece 27, the outer wall of the first cavity 25 and the outer wall of the second cavity 26 are uniformly and smoothly designed, the wall thickness of the first cavity 25 is 2mm, the depth of the first cavity 25 is 8mm, and the first cavity 25 is used for mounting a light emitter 29;

[0074] The thickness of the transparent piece 27 is 2mm;

[0075] The wall thickness of the second cavity 26 is 2mm, and the side wall length of the second cavity 26 is 10mm, and the included angle between the generatrix of the second cavity 26 and the axis is 45°.

[0076] The light source 18 is nested in the first cavity 25 of the cup 19, and the second cavity 26 is gradually expanded, that is, the inner diameter of the second cavity 26 increases from inside to outside.

[0077] As shown in the figure, Figure 10 The light beam emitted by the light source 18 is red light; the cup 19 is a transparent element made of graphene material, the stimulating property of red light to human eyes is small, and the red light emitted by the light emitter 28 selects red graphene quantum light with a wavelength of 650nm, the light beam from the light source S is divided into dispersed light particles by a semi-transparent and semi-reflective light cup, and is measured by photoelectric detectors P1 and P2 respectively, and the output photoelectric signal is fed back to the lens barrel eye entrance light as 100,000 nanometer particles, the light quantity measurement is also measured in the correlation correlator of the fluctuation AZ of the light field intensity of two different opposite points, the intensity correlation of the quantum light at P1 and P2 is measured, so it is named as graphene quantum light.

[0078] The light transmittance of the lens 24 is 50%-99%, which is set to several stops according to the needs of the user, specifically 50%, 55%, 60%, 63%, 6%, 69%, 72%, 75%, 78%, 81%, 86%, 91% and the like 12 stops, a plurality of light transmittance lenses 24 are adopted to be suitable for different types of users, and have wider usability;

[0079] As shown in the figure, Figure 11 , 15As shown in the figure, the light source 18 comprises a light emitting source 28, a light emitting body 29 and a circuit board 30, the light emitting source 28 is installed in the light emitting body 29, one end of the light emitting body 29 is nested in the cover cup 19, the other end of the light emitting body 29 is installed on the circuit board 30, and the light emitting body 29 can define, protect and cool the light emitting source 28, the light emitting body 29 is provided with a recess, and the recess has a cooling effect on the light emitting source 28.

[0080] As shown in the figure, Figures 12-14 The light source 18 mounting assembly further comprises a connecting piece 32, which is located at the rear end of the mounting body 21, and is used for mounting the circuit board 30. An elastic piece 33 is further arranged at the position where the circuit board 30 is connected with the connecting piece 32, which can be used to adjust the concentricity between the light beam emitted by the light source 18 and the lens barrel 4. The light source 18 mounting assembly further comprises a second limiting piece 34, which is arranged in the mounting body 21 and is used to limit the cover cup 19. The second limiting piece 35 is designed as a convex ring for limiting the cover cup 19 in all directions.

[0081] As shown in the figure, Figures 11-14 The light source 18 mounting assembly is connected with the lens barrel 4, and further comprises a supporting piece 35 for supporting the light source 18 mounting assembly.

[0082] As shown in the figure, Figures 12-13 The connecting piece 32 is provided with a limiting groove 36 around it, which is used to install the elastic piece 33, and the elastic piece 33 is a spring.

[0083] The lens barrel 4 comprises a barrel 37, a lens sleeve 38, a transparent plate 39 and a lens barrel soft rubber sleeve 40. The lens sleeve 38 is installed at one end of the barrel 37, and the lens sleeve 38 is connected with the lens barrel soft rubber sleeve 40. The transparent plate 39 is arranged between the lens barrel soft rubber sleeve 40 and the lens sleeve 38.

[0084] Working principle: the light source 28 emits a red weak red light beam, the red light beam passes through the first cavity 25, then passes through the transparent part 27 between the first cavity 25 and the second cavity 26, the transparent part 27 performs preliminary refraction on the red light beam, then the cover cup 19 further refracts the passing light beam, when the light beam passes through the lens 24, the lens 24 will disperse the red light beam, wherein the dispersion size is realized by replacing the lens 24 with different light transmittance, and the plug-in lens 24 uniformly disperses the light into qualified eye entrance light spots, then adjust the rotating assembly 53, so that the user's eyes can receive clear light spots, according to the user's own situation, rotate the adjusting wheel 5 to drive the transmission member 6 to move, because the limiting member 8 is connected with the transmission member 6, and the limiting cavity 7 limits and guides the limiting member 8, so the limiting cavity 7 also has the limiting and guiding effect on the transmission member 6, and the transmission member 6 is tightly connected with the lens barrel holder 1, so the transmission member 6 moves in the preset direction and range in the limiting cavity 7, and then drives the lens barrel 4 to follow, and then adjusts the pupil distance, after the pupil distance adjustment is completed, replace the lens 24 according to the user's feedback visual information, replace the lens 24 by sliding the sliding cover 44 along the sliding groove 45 to open.

[0085] Embodiment 2:

[0086] As shown in Figures 1-2 , a control shaft instrument includes a pupil distance adjusting mechanism 47, a light source generating device 48, a supporting mechanism 41 and an outer shell 42, the light source generating device 48 is installed at the rear end of the lens barrel 4, the supporting mechanism 41 is used to install and support the pupil distance adjusting mechanism 47 and the light source generating device 48, the supporting mechanism 41 includes a base 49, a supporting frame and a rotating assembly 53, the rotating assembly 53 includes a rotating shaft outer sleeve 55 and a rotating shaft inner sleeve 54, the rotating shaft outer sleeve 55 and the rotating shaft inner sleeve 54 are connected by gear meshing;

[0087] The bottom end of the supporting frame is tightly connected with the base, the top end of the supporting frame is provided with the rotating assembly 53, and the rotating assembly 53 is used to control the up-down flipping movement of the outer shell 42 in the front-rear direction, so as to adapt to users of different heights;

[0088] As shown in Figure 5 , the pupil distance adjusting mechanism 47 includes a lens barrel holder 1, an adjusting assembly 2 and a limiting assembly 3, the lens barrel holder 1 is used to install the lens barrel 4, the adjusting assembly 2 includes an adjusting wheel 5 and a transmission member 6, the adjusting wheel 5 is connected with the transmission member 6, and the transmission member 6 is integrally formed with the lens barrel holder 1 or is tightly connected with the lens barrel holder 1;

[0089] As shown in Figure 5 , the limiting assembly 3 includes a limiting cavity 7, and the limiting cavity 7 is used to limit and guide the movement of the transmission member 6.

[0090] As Figure 1 、 2 , 17, 18, the shell 42 is used to package the pupil distance adjustment mechanism 47 and light source generating device 48, the shell 42 is connected with rotating assembly 53, the rotating assembly 53 rotating shaft inner sleeve 54 is connected to the shell 42, the rotating assembly 53 rotating shaft outer sleeve 55 is connected to the support frame, the shell 42 includes the upper cover 43, sliding cover 44, the upper cover 43 is provided with sliding groove 45, sliding cover 44 and sliding groove 45 are movably connected, sliding cover 44 can reciprocatingly move along the sliding groove 45, to realize that the notch 46 on the upper cover 43 is covered or opened, the clamping groove 22 is communicated with the notch 46 on the upper cover 43, and the notch 46 is used for the insertion and removal of the lens 24, to realize the replacement of the lens 24, the application also includes the base 49, the base 49 is provided with display screen 50, NFC module 52 and mainboard 51.

[0091] The adjusting wheel 5 drives the transmission member 6 to move under the guidance of the limiting cavity 7, and then drives the corresponding lens barrel holder 1 to move, so that the corresponding lens barrel 4 and the light source generating device 48 move with the lens barrel holder 1, the lens barrel holder 1 is used in cooperation with the limiting holder 9, the transmission member 6 connects the lens barrel holder 1-1 and the limiting member 8-1, (the limiting member 8 is divided into two kinds, i.e. limiting member 8-1 and limiting member 8-2, and the limiting member 8-1 includes two strip-shaped limiting structures or at least one sheet-shaped structure) the lens barrel holder 1 adopts one lens barrel holder 1-1 and is arranged in the middle of the lens barrel 4.

[0092] As Figure 11 As shown in the figure, the light source generating device 48 includes light source 18 and cover cup 19, the light source 18 is nested in the cover cup 19, the cover cup 19 is used for refracting the light beam emitted by the light source 18, realizing the dispersion of light into the barrel tube 37 of the lens barrel 4, and then using the plug-in lens to uniformly disperse the qualified eye entrance light spot, the cover cup 19 refracts the light beam emitted by the light source 18, the plug-in lens 24 disperses the light beam, and the replaceable design of the lens 24 makes the light source generating device 48 more increased in the range of users;

[0093] The limiting assembly 3 further includes at least one limiting member 8; the limiting member 8 moves in the limiting cavity 7, and the limiting member 8 is integrally formed with the transmission member 6 or is fastened with the transmission member 6;

[0094] The limiting assembly 3 further comprises at least one limiting frame 9 and at least one limiting component 10, the limiting cavity 7 is arranged on the limiting frame 9, the limiting member 3 is provided as one limiting member 8-1, the limiting frame 9 is used in cooperation with the limiting member 8, different limiting members 8 and different limiting frames 9 have different cooperation relationships, that is, the limiting member 8-1 is used in cooperation with the limiting frame 9-1 to participate in the adjustment process of the lens barrel 4, the limiting frame 9 adopts one limiting frame 9-1, the limiting member 8-1, the limiting frame 9-1 and the lens barrel frame 1-1 are arranged on one lens barrel 4, and are arranged in the middle of the lens barrel 4.

[0095] As shown in Figure 7 , the limiting frame 9 and the limiting component 10 are integrally formed or fastened and connected, the limiting cavity 7 limits and guides the movement of the limiting member 8, and then limits and guides the movement of the transmission member 6, so as to limit and guide the movement of the lens barrel 4.

[0096] As shown in Figure 5 and 8 , the transmission member 6 is provided with first gear teeth 11, the adjusting wheel 5 is provided with second gear teeth 12, and the first gear teeth 11 on the transmission member 6 are in meshing connection with the second gear teeth 12 on the adjusting wheel 5.

[0097] The transmission member 6 adopts a gear condition, and the gear condition is in meshing connection with the adjusting wheel 5.

[0098] The adjusting assembly 2 further comprises a connecting shaft 13, the adjusting wheel 5 is sleeved on the connecting shaft 13, and the adjusting wheel 5 is provided with an operation part 14.

[0099] The adjusting wheel 5 can rotate around the connecting shaft 13.

[0100] The connecting shaft 13 is installed in the limiting component 10, the connecting shaft 13 and the limiting component 10 are integrally formed or fastened and connected, the connecting shaft 13 is provided with a limiting part, and the limiting part is used for limiting the adjusting wheel 5, so as to realize the stable rotation of the adjusting wheel 5 around the connecting shaft 13.

[0101] The limiting cavity 7 is designed as a through groove with a flat and long shape in a cross section.

[0102] As shown in Figures 12-14 , the cup 19 and the light source 18 are arranged in the light source 18 mounting assembly, the light source 18 mounting assembly comprises a mounting body 21, the mounting body 21 is provided with a clamping groove 22, the clamping groove 22 is used for mounting a lens 24, the lens 24 is replaced by plugging in the clamping groove 22, so that the plug-in lens 24 uniformly disperses the light into qualified eye entrance light spots,

[0103] The first cavity 25 and the second cavity 26 are arranged in the cup 19, and the first cavity 25 and the second cavity 26 are communicated with each other, the outer wall of the first cavity 25 and the outer wall of the second cavity 26 are uniformly and smoothly designed, the wall thickness of the first cavity 25 is 1mm-4mm, the wall thickness of the first cavity 25 is 2mm, the depth of the first cavity 25 is 8mm, and the first cavity 25 is used for installing the light emitter 29;

[0104] The wall thickness of the second cavity 26 is 2mm, the length of the side wall of the second cavity 26 is 10mm, and the included angle between the generatrix of the second cavity 26 and the axis is 45°.

[0105] The light source 18 is nested in the first cavity 25 of the cup 19, and the second cavity 26 is gradually expanded.

[0106] As shown in the figure, Figure 19 The light beam emitted by the light source 18 is red light; the cup 19 is a transparent element made of graphene material, the stimulating property of red light to human eyes is small, and the red light emitted by the light emitter 28 can select red graphene quantum light with a wavelength of 635nm, the light beam from the light source S is divided into diffuse light particles by a semi-transparent and semi-reflective light filter cup, and is measured by photoelectric detectors P1 and P2 respectively, and the output photoelectric signal is fed back to the lens barrel, the light entering the eye is 100,000 nanometer particles, the light quantity measurement is also measured by the correlation correlator of the fluctuation AZ of the light field intensity at two different opposite points, the intensity correlation of the quantum light at P1 and P2 is measured, and therefore the graphene quantum light is named;

[0107] The light transmittance of the lens 24 is 50%-99%, and is set to several stops according to the needs of the user, specifically 50%, 55%, 60%, 63%, 6%, 69%, 72%, 75%, 78%, 81%, 86%, 91%, etc. 12 stops, a plurality of light transmittance lenses 24 are used to adapt to different types of users, and have wider usability;

[0108] The light source 18 includes a light emitter 28, a light emitter 29 and a circuit board 30, the light emitter 28 is installed in the light emitter 29, one end of the light emitter 29 is nested in the cup 19, the other end of the light emitter 29 is installed on the circuit board 30, and the light emitter 29 can limit, protect and cool the light emitter 28.

[0109] The light source 18 mounting assembly further comprises a connecting piece 32 located at the rear end of the mounting body 21, the connecting piece 32 is used for mounting the circuit board 30, and an elastic piece 33 is arranged at the connecting position of the circuit board 30 and the connecting piece 32, the elastic piece 33 can be used for adjusting the concentricity between the light beam emitted by the light source 18 and the lens barrel 4, the light source 18 mounting assembly further comprises a second limiting piece 34 arranged in the mounting body 21, the second limiting piece 34 is used for limiting the cover cup 19, and the second limiting piece 34 is selected from a plurality of annularly arranged protrusions.

[0110] As shown in Figures 11-15 The light source 18 mounting assembly is connected with the lens barrel 4, and the light source 18 mounting assembly further comprises a supporting piece 35 used for supporting the light source 18 mounting assembly.

[0111] The connecting piece 32 is provided with a limiting groove 36 around the connecting piece 32, the limiting groove 36 is used for mounting the elastic piece 33, and the elastic piece 33 is a spring.

[0112] The lens barrel 4 comprises a barrel tube 37, a lens sleeve 38, a transparent plate 39 and a lens barrel soft sleeve 40, the lens sleeve 38 is mounted at one end of the barrel tube 37, and the lens sleeve 38 is connected with the lens barrel soft sleeve 40, and the transparent plate 39 is arranged between the lens barrel soft sleeve 40 and the lens sleeve 38.

[0113] Working principle: the light emitting source 28 emits a red weak red light beam, the cover cup 19 further refracts the passing light beam after the light beam passes through the first cavity 25, and the lens 24 disperses the red light beam when the light beam passes through the lens 24, wherein the dispersion size is realized by replacing the lens 24 with different light transmittances, so that the plug-in lens 24 uniformly disperses the light into qualified eye entrance light spots, the rotating assembly 53 is adjusted, so that the user's eyes can receive clear light spots, the transmission member 6 is moved by rotating the adjusting wheel 5 according to the user's own situation, the limiting member 8-1 is connected with the transmission member 6, the limiting cavity 7 limits and guides the limiting member 8-1, so the limiting cavity 7 also has the limiting and guiding effect on the transmission member 6, and the transmission member 6 is tightly connected with the lens barrel holder 1, so the transmission member 6 moves in the preset direction and range in the limiting cavity 7 by the adjusting wheel 5, and then drives a lens barrel 4 to follow, the distance between the lens barrel 4 and another lens barrel 4 is adjusted, and then the pupil distance is adjusted, and the lens 24 is replaced according to the visual information fed back by the user, and the sliding cover 44 is opened by sliding along the sliding groove 45 during replacement, and then the lens 24 is replaced.

[0114] Embodiment 3

[0115] As shown in Figures 1-2As shown, a kind of control axis instrument, including pupil distance adjusting mechanism 47, light source generating device 48, support mechanism 41 and for shell 42, the light source generating device 48 is installed in the rear end of lens barrel 4, support mechanism 41 is used to install support pupil distance adjusting mechanism 47 and light source generating device 48, support mechanism 41 includes base, support frame, rotating assembly 53, the rotating assembly 53 includes rotating shaft outer sleeve 55, rotating shaft inner sleeve 54, rotating shaft outer sleeve 55 and rotating shaft inner sleeve 54 are connected using gear meshing

[0116] The bottom end of the support frame is tightly connected with the base, and the rotating assembly 53 is connected on the top end of the support frame, and the rotating assembly 53 is used for adjusting and controlling the up-down overturning movement of the outer shell 42 in the front-back direction, so as to adapt to the use of users of different heights.

[0117] As shown in Figure 5 , the pupil distance adjusting mechanism 47 includes lens barrel frame 1, adjusting assembly 2 and limiting assembly 3, the lens barrel frame 1 is used for installing lens barrel 4, the adjusting assembly 2 includes adjusting wheel 5 and transmission member 6, the adjusting wheel 5 is connected with the transmission member 6, and the transmission member 6 is integrally formed with the lens barrel frame 1 or is tightly connected with the lens barrel frame 1.

[0118] The limiting assembly 3 includes limiting cavity 7, and the limiting cavity 7 is used for limiting and guiding the movement of the transmission member 6.

[0119] As shown in Figure 1 , 2 , 17, 18, the application also includes outer shell 42, the outer shell 42 is used for packaging pupil distance adjusting mechanism 47 and light source generating device 48, the outer shell 42 is connected with rotating assembly 53, the rotating shaft inner sleeve 54 of the rotating assembly 53 is connected with the outer shell 42, the rotating shaft outer sleeve 55 of the rotating assembly 53 is connected with the support frame, the outer shell 42 includes upper cover 43 and sliding cover 44, the upper cover 43 is provided with sliding groove 45, the sliding cover 44 is movably connected with the sliding groove 45, the sliding cover 44 can reciprocate along the sliding groove 45 to cover or open the slot 46 on the upper cover 43, the clamping groove 22 is communicated with the slot 46 on the upper cover 43, and the slot 46 is used for plugging the lens holder 23 to replace the lens 24, the base 49 is provided with display screen 50, NFC module 52 and mainboard 51.

[0120] The adjusting wheel 5 drives the transmission member 6 to move under the guidance of the limiting cavity 7, and then drives the corresponding lens barrel holder 1 to move, so that the corresponding lens barrel 4 and the light source generating device 48 move with the lens barrel holder 1. The lens barrel holder 1 is used in cooperation with the limiting member 8, that is, the lens barrel holder 1-1 is connected with the limiting member 8-1 through the transmission member 6, and two lens barrel holders 1 are adopted, that is, two lens barrel holders 1-1 are arranged on different lens barrels 4 (or one lens barrel holder 1-1 and one lens barrel holder 1-2 are arranged, and two lens barrel holders 1 are arranged on the same lens barrel 4, the lens barrel holder 1-1 is arranged at the front end of the lens barrel, and the lens barrel holder 1-2 is arranged at the rear end of the lens barrel).

[0121] As shown in Figure 11 The light source generating device 48 includes a light source 18 and a cover cup 19, the light source 18 is nested in the cover cup 19, the cover cup 19 is used for refracting the light beam emitted by the light source 18, realizing dispersing the light into the lens barrel 37 of the lens barrel 4, and then using the plug-in lens 24 to uniformly disperse the light into qualified eye entrance light spots. The cover cup 19 refracts the light beam emitted by the light source 18, and the plug-in lens 24 disperses the light beam. The replaceable design of the lens 24 makes the light source generating device 48 more increase the range of the user group.

[0122] The limiting assembly 3 further comprises at least one limiting member 8; the limiting member 8 moves in the limiting cavity 7, and the limiting member 8 is integrally formed with the transmission member 6 or is fastened with the transmission member 6.

[0123] The limiting assembly 3 further comprises at least one limiting member 8; the limiting member 8 moves in the limiting cavity 7, and the limiting member 8 is integrally formed with the transmission member 6 or is fastened with the transmission member 6.

[0124] As shown in Figure 7 The limiting assembly 3 further comprises at least one limiting member 8; the limiting member 8 moves in the limiting cavity 7, and the limiting member 8 is integrally formed with the transmission member 6 or is fastened with the transmission member 6.

[0125] As shown in Figure 5、 8 The transmission member 6 is provided with first gear teeth 11, the adjusting wheel 5 is provided with second gear teeth 12, and the first gear teeth 11 on the transmission member 6 are in meshing connection with the second gear teeth 12 on the adjusting wheel 5.

[0126] The transmission member 6 is provided with gear teeth, which are in meshing connection with the adjusting wheel 5.

[0127] The adjusting assembly 2 further comprises a connecting shaft 13, the adjusting wheel 5 is sleeved on the connecting shaft 13, and the adjusting wheel 5 is provided with an operation part 14.

[0128] The adjusting wheel 5 rotates synchronously with the connecting shaft 13.

[0129] The connecting shaft 13 is installed in the limiting part 10 and is in sliding connection with the limiting part 10.

[0130] The limiting cavity 7 is designed as a long and flat through groove with a quadrilateral cross section.

[0131] As shown in Figures 12-14 The cup 19 and the light source 18 are arranged in a light source 18 mounting assembly, the light source 18 mounting assembly comprises a mounting body 21 and a lens holder 23, the mounting body 21 is provided with a clamping groove 22, the lens holder 23 is installed in the clamping groove 22 in a plug-in manner, the lens holder 23 is used for mounting a lens 24, and the lens 24 is replaced by plugging the lens holder 23 in the clamping groove 22. In this way, the plug-in lens 24 uniformly disperses light into qualified eye entrance light spots.

[0132] The cup 19 is provided with a first cavity 25 and a second cavity 26, the first cavity 25 and the second cavity 26 are provided with a transparent part 27, the outer walls of the first cavity 25 and the second cavity 26 are designed to be uniform and smooth, the wall thickness of the first cavity 25 is 2 mm, the depth of the first cavity 25 is 8 mm, and the first cavity 25 is used for mounting a light emitter 29.

[0133] The thickness of the transparent part 27 is 2 mm.

[0134] The wall thickness of the second cavity 26 is 2 mm, the side wall length of the second cavity 26 is 10 mm, and the included angle between the generatrix of the second cavity 26 and the axis is 45°.

[0135] The light source 18 is nested in the first cavity 25 of the cup 19, and the second cavity 26 is gradually expanded.

[0136] As shown in Figure 19As shown, the light beam emitted by the light source 18 is red light; the cover cup 19 is a transparent element made of graphene material, the stimulating effect of red light on human eyes is small, and the red light emitted by the light source 28 is selected to have a wavelength of 650nm red graphene quantum light, the graphene quantum light from the light source S is divided into dispersed light particles by a semi-transparent and semi-reflective light cup, and is measured by photoelectric detectors P1 and P2 respectively, and the output photoelectric signal is fed back to the lens barrel, the eye light is 100,000 nanometer particles, the light quantity measurement is also measured by the correlation correlator of the fluctuation AZ of the light field intensity at two different opposite points, the intensity correlation of the quantum light at P1 and P2, so it is named graphene quantum light.

[0137] The light transmittance of the lens 24 is 50%-99%, which is set to several stops according to the needs of the user, specifically 50%, 55%, 60%, 63%, 6%, 69%, 72%, 75%, 78%, 81%, 86%, 91%, etc. 12 stops, a variety of light transmittance lenses 24 are used to adapt to different types of users, and have wider usability;

[0138] The light source 18 includes a light source 28, a light body 29 and a circuit board 30, the light source 28 is installed in the light body 29, one end of the light body 29 is nested in the cover cup 19, the other end of the light body 29 is installed on the circuit board 30, and the light body 29 can define, protect and cool the light source 28, and the light body 29 is provided with a groove, which has a cooling effect on the light source 28.

[0139] The light source 18 mounting assembly further comprises a connecting piece 32, the connecting piece 32 is located at the rear end of the mounting body 21, the connecting piece 32 is used for mounting the circuit board 30, and an elastic piece 33 is further arranged at the connecting position of the circuit board 30 and the connecting piece 32, the elastic piece 33 can be used to adjust the concentricity between the light beam emitted by the light source 18 and the lens barrel 4, the light source 18 mounting assembly further comprises a second limiting piece 34, the second limiting piece 34 is arranged in the mounting body 21, and the second limiting piece 34 is used for limiting the cover cup 19, the second limiting piece 3435 adopts a convex ring design for limiting the cover cup 19 in all directions;

[0140] As shown in the figure, Figures 11-15 The light source 18 mounting assembly is connected with the lens barrel 4, and the light source 18 mounting assembly further comprises a supporting piece 35 for supporting the light source 18 mounting assembly.

[0141] The connecting piece 32 is provided with a limiting groove 36 around it, and the limiting groove 36 is used for mounting the elastic piece 33, and the elastic piece 33 is selected as a spring.

[0142] The lens barrel 4 comprises a tube 37, a lens sleeve 38, a transparent plate 39 and a lens barrel soft sleeve 40, the lens sleeve 38 is installed at one end of the tube 37, and the lens sleeve 38 is connected with the lens barrel soft sleeve 40, and the transparent plate 39 is arranged between the lens sleeve 38 and the lens barrel soft sleeve 40.

[0143] Working principle: the light emitting source 28 emits a red weak red light beam, the red light beam passes through the first cavity 25, passes through the transparent piece 27 between the first cavity 25 and the second cavity 26, the transparent piece 27 performs preliminary refraction on the red light beam, then the cover cup 19 further refracts the passing light beam, when the light beam passes through the lens 24, the lens 24 performs dispersion on the red light beam, wherein the dispersion size is realized by replacing the lens 24 with different light transmittance, and the plug-in lens 24 uniformly disperses the light into qualified eye entrance light spots, the rotating assembly 53 is adjusted, so that the user's eyes can receive clear light spots, according to the user's own condition, the adjusting wheel 5 is rotated to drive the transmission piece 6 to move, since the limiting piece 8-1 is connected with the transmission piece 6, and the limiting cavity 7 limits and guides the limiting piece 8, so the limiting cavity 7 also has the limiting and guiding effect on the transmission piece 6, and the transmission piece 6 is tightly connected with the lens barrel holder 1, so the transmission piece 6 moves in the preset direction and range in the limiting cavity 7, and then drives a lens barrel 4 to follow, the distance between the lens barrel 4 and another lens barrel is adjusted, and then the pupil distance is adjusted, after the pupil distance adjustment is completed, the lens 24 is replaced according to the visual information fed back by the user, and the sliding cover 44 is opened by sliding along the sliding groove 45, and then the lens 24 is replaced.

[0144] The above shows and describes the basic principles and main features of the present application and the advantages of the present application, and it is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0145] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A shaft controller characterized by comprising: It includes pupil distance adjusting mechanism (47), light source generating device (48), support mechanism (41) and shell (42), the light source generating device (48) is installed in the rear end of lens barrel (4), support mechanism (41) is used to install support pupil distance adjusting mechanism (47) and light source generating device (48); The pupil distance adjusting mechanism (47) includes lens barrel frame (1), adjusting assembly (2) and limiting assembly (3), the lens barrel frame (1) is used to install lens barrel (4), the adjusting assembly (2) includes adjusting wheel (5), transmission member (6), the adjusting wheel (5) is connected with transmission member (6), the transmission member (6) is integrally formed with the lens barrel frame (1) or the transmission member (6) is fastened between the lens barrel frame (1); The limiting assembly (3) includes limiting cavity (7), the limiting cavity (7) is used to define, guide transmission member (6) to move; The adjusting wheel (5) drives transmission member (6) to move under the guidance of limiting cavity (7), in turn drive corresponding lens barrel frame (1) to move, to realize corresponding lens barrel (4) and light source generating device with lens barrel frame (1) move; The light source generating device (48) includes light source (18), cover cup (19), the light source (18) is nested in cover cup (19), the cover cup (19) is used to refract the light beam emitted by light source (18), realizes the light dispersion into the lens barrel (4) of tube (37), then uses the lens of plug-in type to evenly disperse into qualified eye light spot; The shell (42) is used to package pupil distance adjusting mechanism (47) and light source generating device (48); The shell (42) includes upper cover (43), sliding cover (44); The upper cover (43) is provided with sliding groove (45), and the sliding cover (44) is movably connected with the sliding groove (45), and the sliding cover (44) can reciprocate along the sliding groove (45) to cover or open the slot (46) on the upper cover (43); The cover cup (19) is provided with first cavity (25) and second cavity (26), and a transparent member (27) is arranged between the first cavity (25) and the second cavity (26), and the transparent member (27) is arc-shaped; The light source (18) is nested in the first cavity (25) of the cover cup and located on the side of the concave surface of the transparent member (27), and the second cavity (26) is gradually expanded; The light beam emitted by the light source (18) is a laser red light; The cover cup (19) is a transparent element made of graphene material.

2. The axial control apparatus according to claim 1, wherein The limiting assembly (3) further includes at least one limiting member (8), the limiting member (8) moves in the limiting cavity (7), and the limiting member (8) is integrally formed with the transmission member (6) or is fastened with the transmission member (6); The limiting assembly (3) further includes at least one limiting frame (9) and at least one limiting component (10), and the limiting cavity (7) is arranged on the limiting frame (9); The limiting frame (9) and the limiting component (10) are integrally formed or fastened.

3. The shaft control apparatus according to claim 1 or 2, wherein The transmission member (6) is provided with first gear teeth (11), and the adjusting wheel (5) is provided with second gear teeth (12), the first gear teeth (11) on the transmission member (6) are in meshing connection with the second gear teeth (12) on the adjusting wheel (5). The transmission member (6) adopts a gear condition, and the gear condition is in meshing connection with the adjusting wheel (5).

4. The shaft control apparatus according to claim 1, wherein The adjusting assembly (2) further comprises a connecting shaft (13), The connecting shaft (13) is sleeved with the adjusting wheel (5), and the adjusting wheel (5) is provided with an operation part (14). The adjusting wheel (5) can rotate around the connecting shaft (13). Or the adjusting wheel (5) can rotate synchronously with the connecting shaft (13). The connecting shaft (13) is installed in the limiting part (10).

5. The shaft control apparatus according to claim 1, 2 or 4, wherein The limiting cavity (7) is designed in the form of a through groove, or the limiting cavity (7) is designed in the form of a groove.

6. The shaft control apparatus according to claim 1, wherein The cup (19) and the light source (18) are arranged in the light source mounting assembly (20), the light source mounting assembly (20) comprises a mounting body (21), the mounting body (21) is provided with a clamping groove (22), the clamping groove (22) is used for installing a lens, the lens is replaced by plugging in the clamping groove (22), so that the lens is plugged in to uniformly diffuse the light into qualified eye entrance light spots, or the cup (19) and the light source (18) are arranged in the light source mounting assembly (20), the light source mounting assembly (20) comprises a mounting body (21) and a lens support (23), the mounting body (21) is provided with a clamping groove (22), the lens support (23) is plugged into the clamping groove (22) in a plug-in manner, and the lens support (23) is used for installing a lens (24), the lens (24) is replaced by plugging the lens support (23) in the clamping groove (22), so that the lens is plugged in to uniformly diffuse the light into qualified eye entrance light spots. The clamping groove (22) is in communication with the slot (46) on the upper cover (43).

7. The shaft control apparatus according to claim 1, wherein The light transmittance of the lens (24) is 50%-99%. The light source (18) comprises a light emitting source (28), a light emitting body (29) and a circuit board (30), the light emitting source (28) is installed in the light emitting body (29), one end of the light emitting body (29) is nested in the cup (19), the other end of the light emitting body (29) is installed on the circuit board (30), and the light emitting body (29) can limit, protect and cool the light emitting source (28).

8. The shafting control apparatus according to claim 6, wherein The light source mounting assembly (20) further comprises a connecting piece (32), the connecting piece (32) is located at the rear end of the mounting body (21), the connecting piece (32) is used for installing the circuit board (30), and an elastic member (33) is further arranged at the connecting position of the circuit board (30) and the connecting piece (32), the elastic member (33) can be used for adjusting the concentricity between the light beam emitted by the light source (18) and the lens barrel (4). The light source mounting assembly (20) is connected with the lens barrel (4), the light source mounting assembly (20) is connected with a support (35), and the support (35) is used for supporting the light source mounting assembly (20). The connecting piece (32) is provided with a limiting groove (36) for limiting the elastic piece (33).

9. The shafting control apparatus according to claim 1, 2, 4, 6, 7 or 8, wherein The lens barrel (4) comprises a barrel tube (37), a lens sleeve (38), a transparent plate (39) and a lens barrel soft rubber sleeve (40), the lens sleeve (38) is installed at one end of the barrel tube (37), the lens sleeve (38) is connected with the lens barrel soft rubber sleeve (40), and the transparent plate (39) is arranged between the lens barrel soft rubber sleeve (40) and the lens sleeve (38).

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