CN219110667U - Pupil distance adjusting mechanism - Google Patents
Pupil distance adjusting mechanism Download PDFInfo
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- CN219110667U CN219110667U CN202222697696.0U CN202222697696U CN219110667U CN 219110667 U CN219110667 U CN 219110667U CN 202222697696 U CN202222697696 U CN 202222697696U CN 219110667 U CN219110667 U CN 219110667U
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Abstract
The utility model relates to the field of optics, in particular to a pupil distance adjusting mechanism, which comprises a lens barrel frame, an adjusting component and a limiting component, wherein the lens barrel frame is used for installing a lens barrel, the adjusting component comprises an adjusting wheel and a transmission piece, the adjusting wheel is connected with the transmission piece, and the transmission piece is integrally formed with the lens barrel frame or is fixedly connected with the lens barrel frame; the limiting assembly comprises a limiting cavity, and the limiting cavity is used for limiting and guiding the transmission piece to move; the adjusting wheels drive the transmission piece to move under the guiding action of the limiting cavity, and then drive the corresponding lens barrel frame to move so as to realize the movement of the corresponding lens barrel along with the lens barrel frame.
Description
Technical Field
The utility model relates to the technical field of optical equipment, in particular to a pupil distance adjusting mechanism.
Background
Optical devices (including ophthalmic medical or ophthalmic healthcare devices) such as myopia treatment apparatuses, amblyopia treatment apparatuses, ophthalmic healthcare apparatuses and other lens barrels are fixed, a few adjustable lens barrels are also only double-lens-barrel synchronous adjustment, the main principle is that eyes are treated or trained by laser, and laser rays linearly propagate along the center of the lens barrel, so that the laser rays determined by the positions of the lens barrels enter the optical path of the eyes. However, because the interpupillary distances between eyes are different, the requirements of different people on the light path of the laser ray entering the eyes are different when the related instrument is used, the fixed lens barrel can cause the laser ray to be irradiated on the pupils of the user in an inaccurate way, the effect of the instrument on the eyes is affected, the current adjustable lens barrel is also synchronously adjusted by the double lens barrels, so that the laser ray can be accurately grasped and irradiated on the through holes of the user, and the adjusting mode is not single.
Disclosure of Invention
The utility model aims to provide a pupil distance adjusting mechanism to solve the problem that the lens barrel fixing and adjustable lens barrel mode proposed in the background art is single.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the pupil distance adjusting mechanism comprises a lens barrel frame, an adjusting assembly and a limiting assembly, wherein the lens barrel frame is used for installing a lens barrel, the adjusting assembly comprises an adjusting wheel and a transmission piece, the adjusting wheel is connected with the transmission piece, and the transmission piece is integrally formed with the lens barrel frame or is fixedly connected with the lens barrel frame;
the limiting assembly comprises a limiting cavity, and the limiting cavity is used for limiting and guiding the transmission piece to move;
the adjusting wheel drives the transmission piece to move under the guiding action of the limiting cavity, and then drives the corresponding lens barrel frame to move so as to realize the movement of the corresponding lens barrel along with the lens barrel frame.
Preferably, the limiting assembly further comprises at least one limiting member; the limiting part moves in the limiting cavity, the limiting part and the transmission part are integrally formed, or the limiting part is fixedly connected with the transmission part, and the limiting cavity moves through the limiting part and the guiding limiting part, so that the limiting part and the guiding transmission part move.
Preferably, the limiting assembly comprises a limiting frame, a limiting cavity is formed in the limiting frame, and the limiting frame is connected with a limiting component.
Preferably, the transmission member is provided with first gear teeth, the adjusting wheel is provided with second gear teeth, and the first gear teeth on the transmission member are in meshed connection with the second gear teeth on the adjusting wheel.
Preferably, the transmission member adopts a tooth condition, and the tooth condition is in meshed connection with the adjusting wheel.
Preferably, the adjusting assembly further comprises a connecting shaft, an adjusting wheel is sleeved on the connecting shaft, and an operating part is arranged on the adjusting wheel; the adjusting wheel rotates around the connecting shaft; or the adjusting wheel rotates synchronously with the connecting shaft.
Preferably, the limiting component is used for installing the connecting shaft.
Preferably, the limiting cavity is designed to be in a through groove form or in a groove form so as to limit the adjusting component and limit the moving direction of the guide lens barrel.
Preferably, the two limiting frames are arranged, the limiting frames are arranged at two ends of the lens cone, one of the limiting frames is matched with the adjusting limiting frame, and the other limiting frame is responsible for auxiliary limiting.
Preferably, the number of the adjusting wheels is two, and the pupil distance is adjusted in a plurality of modes.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through operating the rotation/rotation of the two adjusting wheels, the lens barrel frame is driven to move by utilizing the meshing connection between the transmission part (preferably the gear condition) and the gear teeth on the adjusting wheels, so that the lens barrel is driven to move in position, and the lens barrel can adapt to the pupil distance sizes of different users when in use; and any one of the two regulating wheels can be independently regulated, so that the corresponding lens barrel transversely moves, the two regulating wheels can synchronously regulate the corresponding lens barrel transversely move and asynchronously regulate the corresponding lens barrel transversely move, so that the respective regulation of the lens barrels is not affected by each other, the regulating assembly and the limiting assembly are added, the regulating assembly can regulate the lens barrels more conveniently, the limiting cavity in the limiting assembly can limit the moving range of the limiting cavity and limit the position of the regulating assembly when the limiting cavity can guide the lens barrels to move in a preset direction, and the limiting cavity can limit the longitudinal movement of the lens barrels transversely.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the adjusting assembly and the limiting assembly according to the present utility model;
FIG. 3 is an enlarged schematic view of a portion of the adjustment assembly and the spacing assembly of the present utility model;
FIG. 4 is a block diagram of a stop block according to the present utility model;
FIG. 5 is a cross-sectional view of the stop block shown in FIG. 4;
FIG. 6 is a schematic view showing a combination structure of a lens barrel frame and a transmission member according to the present utility model;
FIG. 7 is a schematic view of a limiting frame according to the present utility model, which is different from the limiting frame shown in FIG. 4;
in the figure: 1. a lens barrel frame; 2. an adjustment assembly; 3. a limit component; 4. a lens barrel; 5, adjusting wheels; 6. a transmission member; 7. a spacing cavity; 8. a limiting piece; 9. a limiting frame; 10. a limiting member; 11. a first gear tooth; 12. a second gear tooth; 13. a connecting shaft; 14. an operation part.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it is to be understood that: the terms "first" and "second" are used merely to distinguish between two different objects and should not be construed as indicating or implying a relative importance or implying a number of technical features which are indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
Referring to FIGS. 1-7, embodiments of the present utility model
Example 1: the pupil distance adjusting mechanism comprises a lens barrel frame 1, an adjusting assembly 2 and a limiting assembly 3, wherein the lens barrel frame 1 is used for installing a lens barrel 4, the adjusting assembly 2 comprises an adjusting wheel 5 and a transmission piece 6, the adjusting wheel 5 is connected with the transmission piece 6, and the transmission piece 6 is integrally formed with the lens barrel frame 1 or the transmission piece 6 is fixedly connected with the lens barrel frame 1;
the limiting assembly 3 comprises a limiting cavity 7, and the limiting cavity 7 is used for limiting and guiding the transmission piece 6 to move;
the adjusting wheel 5 drives the transmission part 6 to move under the guiding action of the limiting cavity 7, and then drives the corresponding lens barrel frame 1 to move so as to realize that the corresponding lens barrel 4 moves along with the lens barrel frame 1.
As shown in fig. 1, 2 and 6, the limiting assembly 3 further comprises 4 limiting pieces 8; the limiting piece 8 moves in the limiting cavity 7, the limiting piece 8 and the transmission piece 6 are integrally formed, or the limiting piece 8 is fixedly connected with the transmission piece 6, the limiting piece 8 is mainly matched with the limiting cavity 7 to finish the limiting effect of the limiting component 3, 4 limiting pieces 8 are selected, two limiting pieces 8-1 are selected at this time, two limiting pieces 8-2 are arranged at two ends of the lens cone respectively, the positions of the same kind of limiting pieces 8 on different lens cones can be different, the same kind of limiting pieces 8 are arranged on the same positions of different lens cones, namely, as shown in the position relation in fig. 2, the two limiting pieces 8-1 participate in adjusting the interpupillary distance of the component, the two limiting pieces 8-2 are arranged on the lens, and the limiting pieces 8-2 are far away from the limiting pieces 8-1 to assist in limiting.
As shown in fig. 2 and 3, the limiting component 3 includes 2 limiting frames 9, a limiting cavity 7 is provided on the limiting frames 9, the limiting frames 9 are connected with a limiting component 10, and the limiting frames 9 are selected as follows: the limiting frame 9-1 and the limiting frame 9-2 are respectively matched with the limiting piece 8-1 and the limiting piece 8-2 to participate in the pupil distance adjusting process between the 2 lens barrels.
As shown in fig. 3, the transmission member 6 is provided with a first gear tooth 11, the adjusting wheel 5 is provided with a second gear tooth 12, the first gear tooth 11 on the transmission member 6 is in meshed connection with the second gear tooth 12 on the adjusting wheel 5, the "first" and the "second" are only used for distinguishing different parts, and are not used for sorting the parts, and are only used for distinguishing two parts with similar characteristics, and the transmission member 6 adopts a tooth condition.
As shown in fig. 3, the adjusting assembly 2 further includes a connecting shaft 13, an adjusting wheel 5 is sleeved on the connecting shaft 13, an operating part 14 is disposed on the adjusting wheel 5, and the adjusting wheel 5 combines operation and transmission.
The adjusting wheel 5 rotates around the connecting shaft 13; at the moment, a connecting shaft 13 is required to be fixed, and the adjusting wheel 5 is in sliding connection with the connecting shaft 13; the connecting shaft 13 is sleeved in the adjusting wheel 5, and the adjusting wheel 5 is sleeved in the middle of the connecting shaft 13, or can be positioned at the position of the connecting shaft 13 deviating from the center;
when the adjusting wheel 5 is sleeved on the connecting shaft 13 and deviates from the center position, a limiting part is arranged on the connecting shaft 13, so that the adjusting wheel 5 can stably rotate on the connecting shaft 13.
As shown in fig. 2-4, the connecting shaft 13 is sleeved in the middle of the adjusting wheel 5, and the adjusting wheel 5 and the connecting shaft 13 synchronously rotate; the regulating wheel 5 and the connecting shaft 13 are integrally formed, the connecting shaft 13 is in sliding connection with the mounting position of the regulating wheel, the limiting part 10 is a limiting notch, the limiting notch is used for limiting the rotation of the connecting shaft 13 in the limiting notch, and thus the regulating wheel 5 and the connecting shaft 13 can synchronously rotate and rotate so as to realize the movement regulation of the transmission part 6 through the operation part 14.
As shown in fig. 5 and 7, the through groove with a quadrangular cross section is selected as the limiting cavity 7, the limiting cavity 7 is limited and guided by the limiting piece 8, limiting and guiding of the lens barrel are realized, the guiding effect is mainly reflected in that the limiting cavity 7 with a certain shape enables the limiting piece 8 to follow the shape track of the limiting piece to move, the effect is mainly reflected in that the distance between the inner wall of the limiting cavity 7 and the limiting piece 8 only meets the sliding condition, and the limiting piece 8 cannot be influenced by the adjusting mode of the limiting piece to displace in the vertical direction when moving.
As shown in fig. 2, the two limiting frames 9 are provided, and the limiting frames 9 are respectively provided at both ends of the lens barrel 4.
As shown in fig. 2, the number of the adjusting wheels 5 is two, at this time, the two adjusting wheels 5 are respectively used for adjusting different lens barrels, and the two adjusting wheels can be synchronously adjusted, can also be independently adjusted, and can be led to adjustment during synchronous adjustment, and can also be reversely adjusted.
As shown in fig. 3, the lens barrel frames 1 are clamped, and each lens barrel 4 is provided with at least one lens barrel frame 1, wherein the lens barrel frames 1 are used for clamping the lens barrel 4;
as shown in fig. 2, two lens barrel frames 1 are disposed on each lens barrel 4, the lens barrel frames 1 are divided into a lens barrel frame 1-1 and a lens barrel frame 1-2, the lens barrel frames 1-1 and the transmission member 6 are respectively disposed at two ends of the lens barrel, the adjustment and the limiting of the lens barrel 4 by the adjusting component 2 and the limiting component 3 are completed, and the lens barrel 1-2 and the limiting member 8-2 are matched to realize auxiliary limiting of the lens barrel.
Working principle: according to the utility model, two adjusting wheels 5 which can independently adjust the lens cone 4 are adopted, the transmission piece 6 is driven to move by operating the adjusting wheels 5, the limiting piece 8 is connected with the transmission piece 6, and the limiting cavity 7 has the limiting and guiding functions on the limiting piece 8, so that the limiting cavity 7 also has the limiting and guiding functions on the transmission piece 6, and the transmission piece 6 is fixedly connected with the lens cone frame 1, so that the lens cone 4 is driven to move in the preset direction and range in the limiting cavity 7 by adjusting the 5-wheel, and then the lens cone 4 is driven to follow-up, so that the purpose of adjusting the pupil distance is realized.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model or by other related art, either directly or indirectly, are intended to be included within the scope of the utility model.
Example 2:
the pupil distance adjusting mechanism comprises a lens barrel frame 1, an adjusting assembly 2 and a limiting assembly 3, wherein the lens barrel frame 1 is used for installing a lens barrel 4, the adjusting assembly 2 comprises an adjusting wheel 5 and a transmission piece 6, the adjusting wheel 5 is connected with the transmission piece 6, and the transmission piece 6 is integrally formed with the lens barrel frame 1 or the transmission piece 6 is fixedly connected with the lens barrel frame 1;
the limiting assembly 3 comprises a limiting cavity 7, and the limiting cavity 7 is used for limiting and guiding the transmission piece 6 to move;
the adjusting wheel 5 drives the transmission part 6 to move under the guiding action of the limiting cavity 7, and then drives the corresponding lens barrel frame 1 to move so as to realize that the corresponding lens barrel 4 moves along with the lens barrel frame 1.
As shown in fig. 3, the limiting assembly 3 further comprises a limiting member 8; the limiting piece 8 moves in the limiting cavity 7, the limiting piece 8 and the transmission piece 6 are integrally formed, or the limiting piece 8 is fixedly connected with the transmission piece 6, the limiting piece 8 is mainly matched with the limiting cavity 7 to complete the limiting effect of the limiting component 3, the type of the limiting piece 8 is 8-1, and at the moment, the lens barrel frame 1, the limiting component and the adjusting component are located in the middle of the lens barrel.
As shown in fig. 3, the limiting assembly 3 includes 1 limiting frame 9, a limiting cavity 7 is provided on the limiting frame 9, the limiting frame 9 is connected with a limiting component 10, and the limiting frame 9 is selected from the limiting frames 9-1 to cooperate with the adjusting assembly to complete the adjustment of the lens barrel, thereby adjusting the interpupillary distance.
As shown in fig. 3, the transmission member 6 is provided with a first gear tooth 11, the adjusting wheel 5 is provided with a second gear tooth 12, the first gear tooth 11 on the transmission member 6 is in meshed connection with the second gear tooth 12 on the adjusting wheel 5, and the "first" and the "second" are used for distinguishing different parts only, and do not indicate that the parts are ordered, but only indicate that two parts with similar characteristics are distinguished.
The transmission part 6 is a rack part, and the tooth condition is meshed with the adjusting wheel 5.
As shown in fig. 3, the adjusting assembly 2 further includes a connecting shaft 13, an adjusting wheel 5 is sleeved on the connecting shaft 13, and an operating part 14 is arranged on the adjusting wheel 5;
the adjusting wheel 5 rotates around the connecting shaft 13; at the moment, a connecting shaft 13 is required to be fixed, and the adjusting wheel 5 is in sliding connection with the connecting shaft 13; the connecting shaft 13 is sleeved in the adjusting wheel 5, and the adjusting wheel 5 is sleeved in the middle of the connecting shaft 13, or can be positioned at the position of the connecting shaft 13 deviating from the center;
when the adjusting wheel 5 is sleeved on the connecting shaft 13 and deviates from the center position, a limiting part is arranged on the connecting shaft 13, so that the adjusting wheel 5 can stably rotate on the connecting shaft 13.
The limiting component 10 is used for installing the connecting shaft 13, and according to the relation between the connecting shaft 13 and the adjusting wheel 5, when the adjusting wheel 5 is in sliding connection with the connecting shaft 13, the connecting shaft 13 is integrally formed or fastened with the limiting component 10.
As shown in fig. 5 and 7, the limiting cavity 7 is designed into a groove, and the limiting cavity 7 provides a certain moving space for the limiting part 8 while limiting and guiding the limiting part 8, i.e. the cross section of the limiting cavity 7 can be in a double-arc form or a polygonal form.
The number of the limiting frames 9 is 1, and the limiting frames 9 are arranged at the middle end of the lens barrel 4.
The number of the adjusting wheels 5 is 1.
The lens cone frames 1 are arranged in a clamping mode, each lens cone 4 is provided with one lens cone frame 1, the lens cone frames are arranged in the middle of each lens cone 4, at the moment, the adjusting assembly only adjusts one lens cone, and pupil distance adjustment is achieved by moving one lens cone.
Working principle: according to the utility model, 1 regulating wheel 5 is adopted, the transmission part 6 is driven to move by operating the regulating wheel 5, and the limiting part 8 is connected with the transmission part 6, and the limiting cavity 7 has the limiting and guiding functions on the limiting part 8, so that the limiting cavity 7 also has the limiting and guiding functions on the transmission part 6, and the transmission part 6 is fixedly connected with the lens barrel frame 1, so that the regulating wheel 5 drives the transmission part 6 to move in the preset direction and range in the limiting cavity 7, and then drives one lens barrel 4 to follow, so that the distance between the two lens barrels 4 is controlled, and the purpose of adjusting the pupil distance is realized.
Example 3:
the pupil distance adjusting mechanism comprises a lens barrel frame 1, an adjusting assembly 2 and a limiting assembly 3, wherein the lens barrel frame 1 is used for installing a lens barrel 4, the adjusting assembly 2 comprises an adjusting wheel 5 and a transmission piece 6, the adjusting wheel 5 is connected with the transmission piece 6, and the transmission piece 6 is integrally formed with the lens barrel frame 1 or the transmission piece 6 is fixedly connected with the lens barrel frame 1;
the limiting assembly 3 comprises a limiting cavity 7, and the limiting cavity 7 is used for limiting and guiding the transmission piece 6 to move;
the adjusting wheel 5 drives the transmission part 6 to move under the guiding action of the limiting cavity 7, and then drives the corresponding lens barrel frame 1 to move so as to realize that the corresponding lens barrel 4 moves along with the lens barrel frame 1.
The limiting assembly 3 further comprises 2 limiting pieces 8; the limiting piece 8 moves in the limiting cavity 7, the limiting piece 8 and the transmission piece 6 are integrally formed, or the limiting piece 8 is fixedly connected with the transmission piece 6, the limiting piece 8 is mainly matched with the limiting cavity 7 to complete the limiting effect of the limiting assembly 3, 2 limiting pieces 8 are selected for the limiting piece 8, and one limiting piece 8-1 and one limiting piece 8-2 are selected for the limiting piece 8; when the two limiting parts 8-1 are selected to act on the same lens cone (or not shown in the figure), the two limiting parts respectively act on different lens cones, and the two limiting parts can be arranged in parallel or at the end parts of the lens cones respectively.
The limiting assembly 3 comprises 2 limiting frames 9, a limiting cavity 7 is formed in the limiting frames 9, the limiting frames 9 are connected with limiting components 10, the limiting frames 9 are divided into limiting frames 9-1 and limiting frames 9-2, the adjusting assembly 2 is limited in the limiting assembly 3, the limiting frames 9-1 and the limiting pieces 8-1 are matched to participate in adjusting the lens cone 4, and the limiting frames 9-2 are matched with the limiting pieces 8-2 to participate in auxiliary limiting of the lens cone 4;
the transmission member 6 is provided with a first gear tooth 11, the adjusting wheel 5 is provided with a second gear tooth 12, the first gear tooth 11 on the transmission member 6 is in meshed connection with the second gear tooth 12 on the adjusting wheel 5, and the first and second are used for distinguishing different parts only, and are not used for sorting the parts, but are used for distinguishing two parts with similar characteristics.
The transmission part 6 adopts a tooth condition, and the tooth condition is in meshed connection with the adjusting wheel 5.
The adjusting assembly 2 further comprises a connecting shaft 13, an adjusting wheel 5 is sleeved on the connecting shaft 13, and an operating part 14 is arranged on the adjusting wheel 5;
as shown in fig. 2-4, the connecting shaft 13 is sleeved in the middle of the adjusting wheel 5, and the adjusting wheel 5 and the connecting shaft 13 synchronously rotate; the adjusting wheel 5 is fixedly connected with the connecting shaft 13, or the adjusting wheel 5 and the connecting shaft 13 are integrally formed, at the moment, the connecting shaft 13 is in sliding connection with the mounting position of the adjusting wheel 5, and the adjusting wheel 5 and the connecting shaft 13 synchronously move.
As shown in fig. 4, the limiting component 10 adopts a limiting notch, the limiting notch is used for limiting the rotation of the connecting shaft 13 in the limiting notch, so that the adjusting wheel 5 and the connecting shaft 13 can synchronously rotate and rotate, and the movement adjustment of the transmission member 6 through the operating part 14 is realized.
As shown in fig. 5 and 7, the limiting cavity 7 is designed into a through groove, and the limiting cavity 7 also provides a certain moving space for the limiting part 8 while limiting and guiding the limiting part 8, i.e. the cross section of the limiting cavity 7 can be in a double-arc form or a polygonal form.
As shown in fig. 3, the through groove with the quadrangular cross section is used as the limiting cavity 7, the limiting cavity 7 further realizes the limiting and guiding of the lens barrel through the limiting and guiding of the limiting piece 8, the guiding effect is mainly reflected in that the limiting cavity 7 with a certain shape enables the limiting piece 8 to follow the shape track to move, the effect is mainly reflected in that the distance between the inner wall of the limiting cavity 7 and the limiting piece 8 only meets the sliding condition, and the limiting piece 8 cannot be influenced by the adjusting mode of the limiting piece 8 to displace in the vertical direction when moving.
The number of the limiting frames 9 is at least 1, and the limiting frames 9-1 and 9-2 are arranged at two ends of the same lens cone 4 (or the limiting frames 9-1 are arranged on one lens cone).
The number of the adjusting wheels 5 is at least 1, the two adjusting wheels 5 are respectively used for adjusting different lens barrels, the two adjusting wheels can be synchronously adjusted and can be independently adjusted, the adjusting wheels can be led to the adjustment during synchronous adjustment and can be reversely adjusted, or the adjusting wheels 5 are arranged into one and are matched with the limiting frame 9-1 for adjustment.
The lens barrel frames 1 are clamped, and each lens barrel 4 is provided with at least 1 lens barrel frame 1, wherein the lens barrel frames 1 are used for clamping the lens barrel 4;
the lens cone 4 is provided with two lens cone frames 1, the other lens cone is not provided with the lens cone frame 1, the lens cone frame 1 is divided into a lens cone frame 1-1 and a lens cone frame 1-2, the lens cone frame 1-1 and the lens cone frame 1-2 are respectively arranged at two ends of the lens cone 4, the lens cone frame 1-1 and the transmission part 6 are matched and installed to realize the adjustment and the limit of the adjusting component 2 and the limit component 3 on the lens cone 4, the lens cone 1-2 and the limit part 8-2 are matched to realize the auxiliary limit of the lens cone 4 (or the lens cone frame 1 is respectively used for clamping two different lens cones, at the moment, two adjusting wheels, two limit parts 8-1 and a limit part 9-1 are arranged, and at the moment, the two lens cones are not provided with the limit part 9-2 for auxiliary limit).
Working principle: the driving part 6 is driven to move by operating the regulating and controlling wheel 5 to rotate, the limiting part 8-1 is connected with the driving part 6, and the limiting cavity 7 has limiting and guiding functions on the limiting part 8-1, so the limiting cavity 7 also has limiting and guiding functions on the driving part 6, and the driving part 6 is fixedly connected with the lens barrel frame 1-1, so the driving part 6 is driven by the regulating wheel 5 to move in the preset direction and range in the limiting cavity 7, and then the lens barrel 4 is driven to follow, the distance between the two lens barrels 4 is controlled, the purpose of regulating the pupil distance is achieved, the limiting part 8-2 is connected with the lens barrel frame 1-2, and the limiting frame 9-2 is used for limiting and guiding the lens barrel 4 in an auxiliary mode.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model or by other related art, either directly or indirectly, are intended to be included within the scope of the utility model.
Claims (10)
1. The pupil distance adjusting mechanism is characterized by comprising a lens barrel frame (1), an adjusting component (2) and a limiting component
(3) The lens barrel frame (1) is used for installing a lens barrel (4), the adjusting assembly (2) comprises an adjusting wheel (5) and a transmission piece (6), the adjusting wheel (5) is connected with the transmission piece (6), and the transmission piece (6) is integrally formed with the lens barrel frame (1) or is fixedly connected with the lens barrel frame (1);
the limiting assembly (3) comprises a limiting cavity (7), and the limiting cavity (7) is used for limiting and guiding the transmission piece (6) to move;
the adjusting wheel (5) drives the transmission part (6) to move under the guiding action of the limiting cavity (7), and then drives the corresponding lens barrel frame (1) to move so as to realize that the corresponding lens barrel (4) moves along with the lens barrel frame (1).
2. A pupil distance adjustment mechanism according to claim 1, characterized in that the stop assembly (3) further comprises at least one stop (8);
the limiting piece (8) moves in the limiting cavity (7), and the limiting piece (8) and the transmission piece (6) are integrally formed or the limiting piece (8) and the transmission piece (6) are fixedly connected.
3. Pupil distance adjusting mechanism according to claim 1 or 2, characterized in that the limiting assembly (3) comprises at least one limiting frame (9) and at least one limiting component (10), a limiting cavity (7) being provided on the limiting frame (9);
the limiting frame (9) and the limiting component (10) are integrally formed or the limiting frame (9) and the limiting component (10) are fixedly connected.
4. Pupil distance adjusting mechanism according to claim 1 or 2, characterized in that 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 meshed connection with the second gear teeth (12) on the adjusting wheel (5).
5. A pupil distance adjusting mechanism according to claim 4, characterized in that the transmission member (6) adopts a toothed condition, which is in engagement with the adjusting wheel (5).
6. Pupil distance adjusting mechanism according to claim 1 or 2, characterized in that the adjusting assembly (2) further comprises a connecting shaft (13), an adjusting wheel (5) is sleeved on the connecting shaft (13), and an operating part (14) is arranged on the adjusting wheel (5);
the adjusting wheel (5) can rotate around the connecting shaft (13);
or the adjusting wheel (5) can rotate synchronously with the connecting shaft (13).
7. A pupil distance adjustment mechanism according to claim 6, characterized in that the connecting shaft (13) is mounted in a limiting member (10).
8. A pupil distance adjusting mechanism according to claim 3, characterized in that the limiting chamber (7) is designed in the form of a through slot or that the limiting chamber (7) is designed in the form of a groove.
9. A pupil distance adjusting mechanism according to claim 3, characterized in that the number of the limiting frames (9) is two, and the two limiting frames (9) are respectively arranged at two ends of the lens barrel (4).
10. A pupil distance adjustment mechanism according to claim 1, 2, 5, 7, 8 or 9, characterized in that the adjustment wheels (5) are arranged in two, two adjustment wheels (5) being arranged side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222697696.0U CN219110667U (en) | 2022-10-13 | 2022-10-13 | Pupil distance adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222697696.0U CN219110667U (en) | 2022-10-13 | 2022-10-13 | Pupil distance adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219110667U true CN219110667U (en) | 2023-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222697696.0U Active CN219110667U (en) | 2022-10-13 | 2022-10-13 | Pupil distance adjusting mechanism |
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|---|---|
| CN (1) | CN219110667U (en) |
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2022
- 2022-10-13 CN CN202222697696.0U patent/CN219110667U/en active Active
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