Crack light adjusting wheel disc and crack light adjusting device

Abstract

The utility model relates to the field of fissure light adjusting equipment, in particular to a fissure light adjusting wheel disc and a fissure light adjusting device. Comprising a circular bottom plate and an annular side wall arranged along the edge, and at least one clamping groove is formed in the inner side of the annular side wall; an adjusting end in the gear adjusting module elastically abuts against the inner side of the adjusting wheel disc. The clamping groove comprises a main limiting groove and two guide-in sub-grooves, the groove depth of the guide-in sub-grooves is gradually increased from the end away from the main limiting groove to the end connected with the main limiting groove, and the minimum groove depth of the main limiting groove is larger than the maximum groove depth of the guide-in sub-grooves. The clamping groove is formed in the inner side wall of the adjusting wheel disc, and the depth of the clamping groove conforms to the rule of changing from shallow to deep and then changing from shallow, so that when the adjusting end passes through the clamping groove, the phenomenon that friction force changes from large to small and then becomes large can occur, and then a rotating hand feeling corresponding to the changing rule is provided; therefore, a user can determine the gear shifting position by means of hand feeling, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the field of slit light adjusting devices, in particular to a slit light adjusting turntable and a slit light adjusting device. Background Art

[0002] The "illumination tower" in a slit lamp microscope refers to a part of its illumination system, which is responsible for providing the necessary light source and light regulation for examination. The illumination system of the slit lamp is very crucial, as it enables doctors to precisely control the length, width, direction, intensity, and color of the slit light for a detailed examination of the patient's eyes.

[0003] Generally, during the adjustment of the slit light, some adjustment turntables are involved. By manually turning the adjustment turntable, the corresponding adjustment mechanism is driven to reach the corresponding position to achieve the adjustment purpose. In the prior art, corresponding scales are often set on the outer side of the turntable to assist in the adjustment. However, during the adjustment process, it is still necessary to constantly observe the position of the scale, which is not convenient for use. Summary of the Invention

[0004] In view of this, the utility model provides a slit light adjusting turntable and a slit light adjusting device, which at least partially solve the problems existing in the prior art.

[0005] According to one aspect of the utility model, a slit light adjusting turntable is provided, including:

[0006] A circular bottom plate and an annular side wall arranged along the edge of the bottom plate. At least one clamping groove is formed on the inner side of the annular side wall; the adjusting end of the gear position adjusting module is elastically abutted against the inner side of the adjusting turntable; the clamping groove is used to limit the movement of the adjusting end.

[0007] The clamping groove includes a limiting main groove and two guiding sub-grooves. The two guiding sub-grooves are symmetrically connected to both ends of the limiting main groove. The groove depth of the guiding sub-groove gradually increases from the end far away from the limiting main groove to the end connected to the limiting main groove. The minimum groove depth of the limiting main groove is greater than the maximum groove depth of the guiding sub-groove.

[0008] According to another aspect of the utility model, a slit light adjusting device is further provided, including:

[0009] A color adjusting turntable, a length adjusting turntable, a partition plate, a mounting rotating shaft, and a gear position adjusting module; the color adjusting turntable and the length adjusting turntable are a kind of slit light adjusting turntable as described above;

[0010] The color adjusting turntable and the length adjusting turntable are rotatably sleeved on the mounting rotating shaft coaxially. The partition plate is clamped between the color adjusting turntable and the length adjusting turntable, and the partition plate is stationary relative to the color adjusting turntable and the length adjusting turntable. The partition plate is provided with an elastic member avoiding through groove and a light avoiding through groove;

[0011] The gear position adjustment module is arranged on the partition board and is respectively in contact with the inner side walls of the color adjustment turntable and the length adjustment turntable; the gear position adjustment module is used to lock the rotation angles of the color adjustment turntable and the length adjustment turntable;

[0012] The gear position adjustment module includes:

[0013] Two gear position crank arms and an elastic retaining member;

[0014] The two gear position crank arms are respectively rotatably arranged on the front and back surfaces of the partition board through rotating shafts;

[0015] The elastic retaining member is connected to the tail ends of the two gear position crank arms. The elastic retaining member is used to make the two gear position crank arms have a tendency to rotate around the shaft through elastic force, so that the head ends of the two gear position crank arms are respectively abutted against the inner side walls of the length adjustment turntable and the color adjustment turntable.

[0016] The technical solution of the present utility model has at least the following beneficial effects:

[0017] The inner side wall of the adjustment turntable in the present utility model will be elastically abutted against the adjustment end head in the gear position adjustment module. Thus, there will be a certain frictional damping when rotating the adjustment turntable, and further a certain rotation feel can be provided.

[0018] At the same time, a clamping groove is also provided on the inner side wall of the adjustment turntable, and the depth of the clamping groove conforms to the law of becoming shallower, then deeper and then shallower. Thus, the frictional force when the adjustment end head passes through the clamping groove will also show a phenomenon of becoming larger, then smaller and then larger. Further, a rotation feel corresponding to the change law can be provided, so that when the user rotates the adjustment turntable, the gear shifting position can be determined by relying on the feel, which is convenient for use. Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained according to these drawings without creative efforts.

[0020] Figure 1 It is a schematic structural diagram of a slit lamp in an embodiment of the present application;

[0021] Figure 2 It is a schematic connection structure diagram of a lighting tower, a control base, a micro-motion platform and an image acquisition unit in another embodiment of the present application;

[0022] Figure 3 It is a schematic structural diagram of a lighting tower in another embodiment of the present application;

[0023] Figure 4 Structural schematic diagram of the width adjustment device in another embodiment of the present application;

[0024] Figure 5 Internal transmission structural schematic diagram of the width adjustment device with an elastic retaining member as a spring in another embodiment of the present application;

[0025] Figure 6 Internal transmission structural schematic diagram of the width adjustment device with an elastic retaining member as a rubber cord in another embodiment of the present application;

[0026] Figure 7 For Figure 5 And Figure 6 Arrangement structural schematic diagram between the first guiding slideway and the bearing block slider in the width adjustment device in;

[0027] Figure 8 For Figure 5 And Figure 6 Arrangement structural schematic diagram of the spacing relationship between the upper and lower bearing block sliders in the width adjustment device in;

[0028] Figure 9 Internal transmission structural schematic diagram of the width adjustment device with a spring connected between the inner side wall of the arc-shaped half bearing and the first placement sleeve in another embodiment of the present application;

[0029] Figure 10 For Figure 9 Arrangement structural schematic diagram between the first guiding slideway and the bearing block slider in the width adjustment device in;

[0030] Figure 11 Connection structural schematic diagram between the arc-shaped half bearing, the width adjustment knife and the adjustment roller in another embodiment of the present application;

[0031] Figure 12 Structural schematic diagram of the length and color adjustment device in another embodiment of the present application;

[0032] Figure 13 Internal structure decomposition structural schematic diagram of the length and color adjustment device in another embodiment of the present application;

[0033] Figure 14 Arrangement structural schematic diagram of two gear crank arms in the gear position adjustment module in another embodiment of the present application;

[0034] Figure 15 Structural schematic diagram of the color adjustment turntable in another embodiment of the present application;

[0035] Figure 16 For Figure 15 Enlarged structural schematic diagram at position A in;

[0036] Figure 17 Schematic diagram of the connection structure among the gear shifting adjustment module, the partition board (transparent display), and the color adjustment turntable in another embodiment of the present application.

[0037] Reference numerals

[0038] 1. Rearview mirror assembly; 10. Second placement sleeve; 101. Third guiding slideway; 11. First placement sleeve; 110. First guiding slideway; 12. Pressure rod sleeve; 120. Limit block; 13. Worm; 14. Worm gear; 15. Adjusting rod; 16. Rubber rope; 17. Arc-shaped half axle tile; 171. Axle tile slider; 172. Adjusting roller; 173. Positioning column; 174. Width adjusting knife; 18. Wedge-shaped adjusting block; 19. Spring; 2. Width adjusting device; 3. Length and color adjusting device; 30. Third placement sleeve; 31. Adjusting window; 32. Rotating connection bracket; 33. Length adjusting turntable; 330. Circular adjusting hole; 331. Special-shaped adjusting hole; 34. Color adjusting turntable; 340. Card slot; 341. Color adjusting hole; 342. Main limiting groove; 343. Import sub-groove; 35. Partition board; 350. Light avoidance through groove; 351. Elastic member avoidance through groove; 360. First support arm; 361. Second support arm; 362. Adjusting end; 4. Image acquisition unit; 5. Lighting tower; 6. Micro-moving platform; 7. Lifting placement table; 8. Display; 9. Facial fixator; 90. Supplementary light. Detailed implementation manners

[0039] The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

[0040] It should be noted that, without conflict, the following embodiments and the features in the embodiments may be combined with each other; and, based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present disclosure.

[0041] It should be noted that the following description relates to various aspects of embodiments within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms, and any specific structure and / or function described herein is for illustrative purposes only. Based on the present disclosure, those skilled in the art should understand that one aspect described herein may be implemented independently of any other aspect, and two or more of these aspects may be combined in various ways. For example, any number of the aspects described herein may be used to implement the device and / or practice the method. Additionally, this device and / or this method may be implemented using other structures and / or functions in addition to one or more of the aspects described herein.

[0042] As an embodiment of the present utility model, as Figures 1 to 3As shown, a slit lamp is provided, including:

[0043] A lifting and placing table 7, a face fixator 9, an illumination tower 5, a control base, a micro-motion platform 6, an image acquisition unit 4, and a display 8.

[0044] The control base is arranged on the desktop of the lifting and placing table 7. A plurality of universal wheels are arranged at the bottom of the lifting and placing table 7, and a plurality of handles are arranged on the desktop of the lifting and placing table 7.

[0045] Both the micro-motion platform 6 and the face fixator 9 are arranged on the control base, and the micro-motion platform 6 moves relative to the plane where the control base is located. A supplementary light 90 is arranged above the face fixator 9.

[0046] As Figure 2 shown, the micro-motion platform 6 includes two rack rails, a gear connecting shaft, and a sliding sleeve.

[0047] The gears at both ends of the gear connecting shaft are respectively meshed with the racks in the two rack rails. The sliding sleeve is slidably sleeved on the gear connecting shaft. Through the cooperation of the gear and the rack, the micro-motion platform 6 can be driven to approach or move away from the eyes of the detector.

[0048] Both the illumination tower 5 and the image acquisition unit 4 are rotatably arranged on the micro-motion platform 6. The rotation axes of the illumination tower 5 and the image acquisition unit 4 are the same, and the illumination tower 5 and the image acquisition unit 4 remain relatively stationary. The image acquisition unit 4 is used to acquire the eye image of the detector. The display 8 is connected to the lifting and placing table 7 through a multi-section adjusting arm. The display 8 is electrically connected to the image acquisition unit 4 and is used to display the target image.

[0049] In this embodiment, through the lifting and placing table 7, the control base, and the micro-motion platform 6, it is convenient for the user to adjust and move more conveniently during use. At the same time, by setting the image acquisition unit 4 and the display 8, the acquired eye image of the patient can be displayed on the display 8 so that the user can make a more convenient and comfortable determination and diagnosis. In addition, the image acquisition unit 4 in the same utility model can also be an existing image acquisition unit 4 with an image recognition function. Thus, the eye condition of the patient can be automatically judged through the acquired image, which is more efficient and accurate and can assist the user in diagnosis.

[0050] The illumination tower 5 in this embodiment is a device in the slit lamp for providing slit light, and this device has the functions of adjusting the length, width, direction, and color of the slit light. Specifically, as Figure 3As shown in the figure, in the lighting tower 5 of this embodiment, a reflecting mirror assembly 1, a width adjusting device 2, and a length and color adjusting device 3 are sequentially arranged from top to bottom. The reflecting mirror assembly 1 is used for finely adjusting the direction of the slit light; the width adjusting device 2, the length and color adjusting device 3 are respectively used for adjusting the width, length and color of the slit light. Specific details will be introduced in the following embodiments.

[0051] As another embodiment of the present invention, as Figures 4 to 11 shown, a slit light width adjusting device 2 is further provided, and this device can be the device inside the lighting tower 5 in the above embodiment for adjusting the width of the slit light.

[0052] The slit light width adjusting device 2 includes: a first placement sleeve 11, a wedge-shaped adjusting block 18, a driving module, an elastic holding member, two arc-shaped half shaft sleeves 17, two width adjusting knives 174 and two adjusting rollers 172.

[0053] Two first guiding chutes 110 are arranged in parallel on the inner side wall of the first placement sleeve 11, and the sliding direction of the first guiding chutes 110 is perpendicular to the central axis of the first placement sleeve 11.

[0054] The two arc-shaped half shaft sleeves 17 are respectively slidably arranged in the two first guiding chutes 110 through shaft sleeve sliders 171, and the two arc-shaped half shaft sleeves 17 are arranged opposite to each other. As Figure 7 and Figure 10 shown, the matching structure between the two shaft sleeve sliders 17 located above and the two first guiding chutes 110 can ensure that the two arc-shaped half shaft sleeves 17 are slidably installed in the first placement sleeve 11. In this structure, in order to reduce the sliding resistance, the shaft sleeve slider 171 can be set as a cylindrical structure.

[0055] The two width adjusting knives 174 are respectively connected to the bottoms of the two arc-shaped half shaft sleeves 17. A positioning column 173 is arranged at the bottom of the arc-shaped half shaft sleeve 17, and the width adjusting knife 174 is rotatably arranged on the positioning column 173. The width of the width adjusting knife 174 is greater than or equal to the width of the arc-shaped half shaft sleeve 17, and the cutting edges of the two width adjusting knives 174 are arranged opposite to each other.

[0056] Specifically, an installation groove is formed at the bottom of the arc-shaped half shaft sleeve 17, and the arc-shaped half shaft sleeve 17 has the same symmetry plane as the installation groove. The positioning column 173 is arranged at the center position of the installation groove, and a threaded hole is also arranged in the installation groove for fixedly connecting the width adjusting knife 174. The length of the installation groove ( Figure 11 the length in the direction indicated by L in the figure) is greater than the length of the width adjusting knife 174.

[0057] Specifically, during use, the relative opening and closing movement between the two arc-shaped half shaft tiles 17 drives the opening and closing size between the two blades, thereby controlling the width of the slit light passing through the slit.

[0058] In this embodiment, the sliding direction of the first guiding slideway 110 is perpendicular to the central axis of the first placement sleeve 11, and the two arc-shaped half shaft tiles 17 are respectively slidably arranged in the two first guiding slideways 110. Thus, when adjusting the size of the width control slit by adjusting the opening and closing of the two arc-shaped half shaft tiles 17, the distance between the generation position of the width control slit and the slit light source remains unchanged all the time, thereby ensuring that the focusing plane of the slit light spot remains at the same position, and finally ensuring the illumination inspection effect of the eye.

[0059] In addition, as Figure 11 shown, a positioning column 173 is provided at the bottom of the arc-shaped half shaft tile 17, and a width adjusting knife 174 is rotatably arranged on the positioning column 173. The width of the width adjusting knife 174 ( Figure 11 the length in the K direction in

[0060] is greater than or equal to the width of the arc-shaped half shaft tile 17. Thus, during the assembly process, the width adjusting knife 174 can rotate slightly around the positioning column 173. Then, under the constraint of the elastic retaining member, the blades of the two adjusting knives face each other, and the blades are completely fitted by rotating their own angles to achieve the effect of automatic tool alignment. Then, in this posture, the bottom width adjusting knife 174 of the arc-shaped half shaft tile 17 is completely fixedly connected to avoid light leakage during use.

[0061] Specifically, the adjusting roller 172 includes: a rotating shaft and a rotating wheel.

[0062] The rotating shaft is connected to the outer side wall of the arc-shaped half shaft tile 17, and the rotating wheel is rotatably connected to the rotating shaft.

[0063] The wedge-shaped adjusting block 18 includes: a triangular driving part and a cylindrical sliding part.

[0064] The sliding part is fixedly connected to a surface of the driving part close to the inner side wall of the first placement sleeve 11. A guiding groove is provided on the side edge of the triangular driving part, and the adjusting roller 172 is rollingly embedded in the guiding groove. The sliding part is slidably embedded in the second guiding slideway of the first placement sleeve 11, and the sliding direction of the second guiding slideway is parallel to the central axis of the first placement sleeve 11.

[0065] In actual use, when the wedge-shaped adjusting block 18 moves downward, it will press the two adjusting rollers 172 away from each other, thereby increasing the width of the gap to widen the width of the slit light.

[0066] The elastic holding member is connected between the two arc-shaped half shaft tiles 17, or between the arc-shaped half shaft tile 17 and the inner side wall of the first placement sleeve 11, and is used to drive the two width adjusting knives 174 to approach each other. In this embodiment, the elastic holding member is a spring 19.

[0067] Specifically, there are the following two ways to set the elastic holding member:

[0068] First, as Figure 5 and Figure 6 shown, the elastic holding member is connected between the two arc-shaped half shaft tiles 17:

[0069] Both ends of the spring 19 are respectively connected to the connecting columns of the two arc-shaped half shaft tiles 17, and the spring 19 is in a stretched state. The spring 19 in this setting method can also be replaced by a rubber rope 16.

[0070] However, in this structure, when the two arc-shaped half shaft tiles 17 are opened and closed, due to the distance between the force generated by the elastic holding member and the force generated by the wedge-shaped adjusting block 18, it is easy for the two arc-shaped half shaft tiles 17 to rotate relative to each other. Therefore, in order to limit the occurrence of rotation, a sliding structure in which a set of shaft tile sliders 171 cooperate with the first guiding slideway 110 is additionally provided at a position close to the bottom of the arc-shaped half shaft tile 17, and as Figure 8 shown, the interval between the two shaft tile sliders 171 close to the bottom of the arc-shaped half shaft tile 17 is greater than the interval between the two shaft tile sliders 171 close to the top of the arc-shaped half shaft tile 17 ( Figure 8 distance in the W direction in

[0071] Second, as Figure 9 and Figure 10 shown, the elastic holding member is connected between the arc-shaped half shaft tile 17 and the inner side wall of the first placement sleeve 11:

[0072] At this time, two springs 19 are provided. Both ends of each spring 19 are respectively abutted against the rotating shaft and the inner side wall of the first placement sleeve 11, and the spring 19 is in a compressed state.

[0073] In addition, as Figure 10 shown, in this structural solution, the end of the rotating shaft is equivalent to the shaft tile slider 171. In addition, in order to further ensure the sliding stability of the two arc-shaped half shaft tiles 17, a first guiding slideway 110 can be additionally provided at this position, so that the end of the rotating shaft can be slidably arranged in this first guiding slideway 110.

[0074] In the elastic retaining member setting form of this type, the position where the elastic force is applied can be more precisely coincident with the positions where the two width adjustment knives 174 are arranged. Thus, the alignment effect of the two cutting edges can be more effectively ensured by the elastic force of the spring 19, and the tendency of the arc-shaped half axle tile 17 to rotate can be minimized to ensure the smooth sliding of the two arc-shaped half axle tiles 17 in the first guiding slideway 110.

[0075] As Figure 4 , Figure 7 and Figure 8 shown, the drive module includes: a second placement sleeve 10, a worm gear 14, a worm 13, an adjusting rod 15 and a pressure rod sleeve 12.

[0076] The second placement sleeve 10 is fixedly sleeved on the top of the first placement sleeve 11. The second placement sleeve 10 and the first placement sleeve 11 are arranged coaxially.

[0077] The worm gear 14 is rotatably arranged coaxially inside the second placement sleeve 10, and a spiral slideway is arranged on the inner side wall of the worm gear 14. The worm 13 is rotatably arranged perpendicular to the axis on the side wall of the second placement sleeve 10, and the worm gear 14 meshes with the worm 13.

[0078] As Figure 4 and Figure 5 shown, the pressure rod sleeve 12 includes a pressure rod top plate, a lifting sleeve and a limiting block 120.

[0079] The pressure rod top plate is fixedly connected to the outer side wall of the lifting sleeve, and the limiting block 120 is fixedly arranged at the edge of the pressure rod top plate. A spiral slideway is arranged on the outer side wall of the lifting sleeve, and the spiral slide rail is embedded in the spiral slide. The limiting block 120 is slidably arranged in the third guiding slideway 101 on the inner side wall of the second placement sleeve 10, and the sliding direction of the third guiding slideway 101 is parallel to the central axis of the second placement sleeve 10.

[0080] One end of the adjusting rod 15 is spherical, and this end abuts against the pressure rod top plate to reduce the friction with the pressure rod top plate. A thread is provided at the other end of the adjusting rod 15, and it is connected to the wedge-shaped adjusting block 18 through the thread. A spring 19 is also sleeved on the adjusting rod 15. One end of the spring 19 abuts against the spherical head, and the other end abuts against the wedge-shaped adjusting block 18 to ensure the connection stability between the adjusting rod 15 and the wedge-shaped adjusting block 18 and reduce the shaking.

[0081] By rotating the worm 13, the worm gear 14 can be driven to rotate inside the second placement sleeve 10. Then, through the mutual cooperation of the spiral slideway and the spiral slide rail, the pressure rod sleeve 12 is driven to lift, and further the wedge-shaped adjusting block 18 is driven to perform a lifting movement through the adjusting rod 15.

[0082] As another embodiment of the present invention, asFigures 12 to 17 As shown, a crack light color and length adjustment device is also provided, which can be the device inside the lighting tower 5 in the above embodiment for adjusting the color and length of the crack light.

[0083] Specifically, the crack light color and length adjustment device includes: a third placement sleeve 30, a color adjustment wheel 34, a length adjustment wheel 33, a partition 35, a placement rotating shaft and a gear position adjustment module.

[0084] The third placement sleeve 30 is coaxially rotatably sleeved outside the second placement sleeve 10.

[0085] The color adjustment wheel 34 and the length adjustment wheel 33 are coaxially rotatably sleeved on the placement rotating shaft. The partition 35 is clamped between the color adjustment wheel 34 and the length adjustment wheel 33. The partition 35 is fixedly connected inside the third placement sleeve 30 and is stationary relative to the color adjustment wheel 34 and the length adjustment wheel 33. An elastic member avoidance through groove 351 and a light avoidance through groove 350 are formed on the partition 35.

[0086] Specifically, as Figure 13 shown, a plurality of length adjustment holes are formed in the bottom plate of the length adjustment wheel 33 along the circumferential direction, and the sizes of the plurality of length adjustment holes are different. By rotating the length adjustment wheel 33, length adjustment holes with different diameters can be located on the input light path of the crack light source to screen the diameter of the light that can pass through, thereby adjusting the length of the crack light.

[0087] The plurality of length adjustment holes include a plurality of circular adjustment holes 330, and the aperture sizes of the plurality of circular adjustment holes 330 are different. The plurality of circular adjustment holes 330 are used to realize multi-gear independent adjustment of the length of the crack light.

[0088] The plurality of length adjustment holes further include a special-shaped adjustment hole 331. The special-shaped adjustment hole 331 includes two arc-shaped ends arranged at intervals, the sizes of the two arc-shaped ends are different, and the two arc-shaped ends are transitionally connected by two arc-shaped side walls. The special-shaped adjustment hole 331 is used to realize continuous stepless adjustment of the length of the crack light.

[0089] Moreover, the inner side wall of the length adjustment hole has a taper, and the opening size of the side where the crack light enters the length adjustment hole is larger than the opening size of the side where the crack light exits.

[0090] Since the inner side wall of the length adjustment hole has a taper, when the light passes through, if the light at the edge has a certain inclination angle, it will be reflected back by the inclined surface at the taper, thereby further eliminating the stray light with an inclined direction in the edge of the light column after passing through, and only ensuring that the edge of the finally formed light spot is sharper and clearer.

[0091] A plurality of color adjustment holes 341 are formed in the bottom plate of the color adjustment wheel 34 along the circumferential direction, and color filter glasses of different colors are installed in each color adjustment hole 341.

[0092] The gear adjustment module is arranged on the partition plate 35 and is respectively in contact with the inner side walls of the color adjustment wheel 34 and the length adjustment wheel 33. The gear adjustment module is used to lock the rotation angles of the color adjustment wheel 34 and the length adjustment wheel 33. The gear adjustment module includes: two gear arms and an elastic retaining member.

[0093] As Figure 17 shown, the two gear arms are respectively rotatably arranged on the front and back surfaces of the partition plate 35 through rotating shafts. The elastic retaining member is connected to the tail ends of the two gear arms, and the elastic retaining member is used to make both gear arms have a tendency to rotate around the shaft through elastic force, so that the head ends of the two gear arms are respectively abutted against the inner side walls of the length adjustment wheel 33 and the color adjustment wheel 34. Specifically, in this embodiment, the elastic retaining member can be a spring 19 or an elastic rubber cord 16.

[0094] Specifically, as Figure 13 and Figure 14 shown, the gear arm includes: a first branch arm 360 and a second branch arm 361.

[0095] The first branch arm 360 and the second branch arm 361 are connected at an angle. A rotating through hole is formed at the connecting portion of the first branch arm 360 and the second branch arm 361, and the rotating shaft rotatably passes through the rotating through hole, so that the gear arm can freely rotate around the shaft. The non-connected end of the first branch arm 360 is the head end of the gear arm, and a bearing (i.e., the adjusting end head 362) is arranged on the head end of the gear arm. The non-connected end of the second branch arm 361 is the tail end of the gear arm, and a connecting rod is arranged on the tail end of the gear arm. The elastic retaining member is connected to the connecting rod.

[0096] At least one clamping groove 340 is arranged on the inner side walls of the length adjustment wheel 33 and the color adjustment wheel 34.

[0097] Specifically, as Figure 15 and Figure 16 shown, the length adjustment wheel 33 and the color adjustment wheel 34 can be accurately positioned at the corresponding gear positions of the structure by the engagement restriction between the clamping groove 340 and the adjusting end head 362 for easy use.

[0098] In the gear shifting adjustment module of this embodiment, two gear shifting crank arms are rotatably arranged on the front and back surfaces of the partition plate 35 respectively, and an elastic retaining member is used to connect and restrain the tails of the two gear shifting crank arms. Then, under the pulling and restraining force of the elastic retaining member, the heads of the two gear shifting crank arms can be respectively abutted against the inner side walls of the length adjustment wheel disc 33 and the color adjustment wheel disc 34. Furthermore, the gear shifting of the two adjustment wheel discs can be independently restricted by the frictional contact between the ends of the gear shifting crank arms and the inner side walls of the adjustment wheel discs. The two gear shifting crank arms in this gear shifting adjustment module cooperate and restrain each other through the elastic retaining member, and can respectively and independently control their own ends to abut against the adjustment wheel discs. The structural design is more ingenious and simple, occupying less space, involving fewer components, and the component structures are also simpler.

[0099] The adjustment device in this embodiment not only does not affect the independent operation of the color adjustment wheel disc 34 and the length adjustment wheel disc 33, but also can place the gear shifting adjustment module in the cavity formed by the buckling between the color adjustment wheel disc 34 and the length adjustment wheel disc 33. Thus, the space occupation can be further reduced and the structure can be simplified.

[0100] As another embodiment of the present invention, a slit light adjustment wheel disc is also provided, and this adjustment wheel disc can be the length adjustment wheel disc 33 and the color adjustment wheel disc 34 in the above embodiment.

[0101] Specifically, as Figure 15 and Figure 16 shown, a slit light adjustment wheel disc includes: a circular bottom plate and an annular side wall arranged along the edge of the bottom plate.

[0102] There are shifting gear teeth arranged on the outer side of the annular side wall. At least one clamping groove 340 is opened on the inner side of the annular side wall. A rotating shaft through hole is opened at the center position of the circular bottom plate. The adjustment end 362 in the gear shifting adjustment module elastically abuts against the inner side of the adjustment wheel disc. The clamping groove 340 is used to limit the movement of the adjustment end 362. The adjustment end 362 is a circular end, for example, the adjustment end 362 can be a roller.

[0103] As Figure 16 shown, the clamping groove 340 includes a limiting main groove 342 and two guiding sub-grooves 343. The two guiding sub-grooves 343 are symmetrically connected to both ends of the limiting main groove 342. The groove depth of the guiding sub-groove 343 (such as Figure 16 the length in the direction indicated by S) gradually deepens from the end far away from the limiting main groove 342 to the end connected to the limiting main groove 342, and the minimum groove depth of the limiting main groove 342 is greater than the maximum groove depth of the guiding sub-groove 343.

[0104] The inner side wall of the adjustment wheel in this embodiment will elastically abut against the adjustment end 362 in the gear adjustment module, so that there will be a certain friction damping when the adjustment wheel is turned, and thus a certain rotation feel can be provided. At the same time, a locking groove 340 is provided on the inner side wall of the adjustment wheel, and the depth of the locking groove 340 conforms to the rule of changing from shallow to deep and then to shallow again, so that the friction force of the adjustment end 362 when passing through the locking groove 340 will also change from large to small and then to large, and thus a rotation feel corresponding to the change rule can be provided, so that when the user turns the adjustment wheel, he can determine the shift position by hand feeling, which is convenient for use.

[0105] Furthermore, the limiting main groove 342 and the introduction sub-groove 343 are both arc-shaped grooves, and the diameter corresponding to the limiting main groove 342 is smaller than the diameter corresponding to the introduction sub-groove 343. The diameter corresponding to the limiting main groove 342 is greater than or equal to the diameter of the adjustment end 362. By setting the curvature relationship between the limiting main groove 342, the introduction sub-groove 343 and the adjustment end 362, the adjustment end 362 can have a more obvious sense of stuck when it moves to the position of the limiting main groove 342, further ensuring the accuracy of the adjustment.

[0106] In addition, it also includes a placement shell, that is, a third placement sleeve 30. The adjusting wheel is rotatably embedded in the placement shell, such as Figure 12 As shown, a plurality of adjustment windows 31 are provided in the circumferential direction of the outer wall of the housing for adjusting the gear teeth. A rotating connection bracket 32 ​​is provided on the outer wall of the housing, and the rotating connection bracket 32 ​​is used to be rotatably connected with the micro-motion platform 6 to ensure that the irradiation angle of the slit light can be greatly rotated. At the same time, during the rotation process, the lighting tower 5 may block and interfere with other component structures, thereby making the adjustment window 31 at the corresponding position unavailable. Therefore, a plurality of adjustment windows 31 are provided in this embodiment to facilitate the subsequent adjustment of the corresponding wheel.

[0107] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A slit light adjustment wheel, characterized in that: include: A circular bottom plate and an annular side wall arranged along the edge of the bottom plate, wherein the inner side of the annular side wall is provided with at least one locking groove; an adjusting end head in the gear adjustment module is elastically arranged against the inner side of the adjusting wheel; and the locking groove is used to limit the movement of the adjusting end head; The positioning groove includes a limiting main groove and two introducing sub-grooves, the two introducing sub-grooves are symmetrically connected to the two ends of the limiting main groove, the groove depth of the introducing sub-grooves gradually deepens from the end away from the limiting main groove to the end connected to the limiting main groove, and the minimum groove depth of the limiting main groove is greater than the maximum groove depth of the introducing sub-groove.

2. The slit light adjustment wheel according to claim 1, characterized in that: The main limiting groove and the introduction sub-groove are both arc-shaped grooves, and the diameter corresponding to the main limiting groove is smaller than the diameter corresponding to the introduction sub-groove.

3. The slit light adjustment wheel according to claim 2, characterized in that: The adjusting end is a circular end; The diameter corresponding to the limiting main groove is greater than or equal to the diameter of the adjusting end.

4. The slit light adjustment wheel according to claim 3, characterized in that: The outer side of the annular side wall is provided with shifting gear teeth.

5. The slit light adjustment wheel according to claim 1, characterized in that: Also includes a placement housing; The adjusting wheel is rotatably embedded in the housing, and a plurality of adjusting windows are provided in the circumferential direction of the outer wall of the housing for adjusting the gear teeth.

6. The slit light adjustment wheel according to claim 5, characterized in that: A rotating connection bracket is arranged on the outer side wall of the placement shell.

7. The slit light adjustment wheel according to claim 1, characterized in that: A rotating shaft through hole is provided at the center of the circular bottom plate.

8. A slit light adjustment device, characterized in that: include: A color adjustment wheel, a length adjustment wheel, a partition, a placement shaft and a gear adjustment module; the color adjustment wheel and the length adjustment wheel are a slit light adjustment wheel as described in any one of claims 1 to 7; The color adjustment wheel and the length adjustment wheel are coaxially rotatably sleeved on the placement shaft, the partition is sandwiched between the color adjustment wheel and the length adjustment wheel, and the partition is stationary relative to the color adjustment wheel and the length adjustment wheel, and an elastic member avoidance slot and a light avoidance slot are opened on the partition; The gear adjustment module is arranged on the partition plate and is respectively arranged to abut against the inner side walls of the color adjustment wheel and the length adjustment wheel; The gear adjustment module is used to lock the rotation angle of the color adjustment wheel and the length adjustment wheel; The gear adjustment module comprises: Two gear crank arms and elastic retaining members; The two gear crank arms are respectively rotatably arranged on the front and back surfaces of the partition through a rotating shaft; The elastic retaining member is connected to the tail ends of the two gear crank arms, and the elastic retaining member is used to make the two gear crank arms have a tendency to rotate around the axis through elastic force, so that the head ends of the two gear crank arms are respectively against the inner side walls of the length adjustment wheel and the color adjustment wheel.

9. The slit light adjustment device according to claim 8, characterized in that: A plurality of length adjustment holes are provided on the bottom plate of the length adjustment wheel in a circumferential direction, and the sizes of the plurality of length adjustment holes are different.

10. The slit light adjustment device according to claim 8, characterized in that: A plurality of color adjustment holes are provided on the bottom plate of the color adjustment wheel along the circumferential direction, and a color filter glass of a different color is installed in each of the color adjustment holes.

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