Pupil distance measuring device
By designing a pupil distance measuring device with a rotatable mounting plate and a movable measuring frame, the problem of large measurement errors in the prior art is solved, and higher measurement accuracy and comfort are achieved.
Patent Information
- Application Number
- CN202420682508.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-03
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-03
AI Technical Summary
The measurement error of the existing pupil distance measuring device is large, which affects the diagnostic accuracy.
A pupil distance measuring device including a mounting frame, a rotatable mounting plate, a movable measuring frame and a supporting foot is designed to achieve accurate measurements through tick marks and a set ball, increasing the accuracy and comfort of the measurement.
Through adjustable angle and precise alignment functions, the accuracy and comfort of pupil distance measurement are significantly improved and measurement errors are reduced.
Smart Images
Figure CN222194978U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pupil distance measurement equipment, in particular to a pupil distance measurement device. Background Art
[0002] In ophthalmology, the optician industry, and related vision research, the measurement of pupil distance is a key step. For eyeglass wearers, accurate pupil distance measurement is a prerequisite for ensuring that the optical center of the glasses is aligned with the pupil, reducing visual fatigue and improving visual comfort.
[0003] The simple pupil measurement device in the prior art is similar in shape to an eye and is only provided with scale lines. When in use, the measurement personnel visually observe the two pupils of the measured person and measure them through the set scale lines, that is, the measurement is performed by visual observation in combination with the scale lines. Such a measurement method has a large measurement error, which is not conducive to the diagnosis of the measured person. In view of this, we propose a pupil distance measurement device. Utility Model Content
[0004] In order to make up for the above deficiencies, the utility model provides a pupil distance measuring device.
[0005] The technical solution of the utility model is:
[0006] A pupil distance measuring device comprises a mounting frame, a mounting plate is rotatably mounted on the front side of the mounting frame via a rotating shaft, two movable measuring frames are symmetrically and slidably mounted on the mounting plate, a scale line used in conjunction with the movable measuring frames is arranged on the top of the front outer wall of the mounting plate, the movable measuring frames comprise a vertical plate as a main body, an opening is arranged at the center of each vertical plate, a positioning ball is fixedly mounted at the center of the opening, and a supporting foot is fixedly connected to the top of the outer walls on both sides of the left and right sides of the mounting frame.
[0007] As a preferred technical solution, a slide groove is provided at the top and bottom of the mounting plate, a limiting slider is integrally formed at the top and bottom of the vertical plate, and two limiting sliders are slidably connected to the two slide grooves respectively.
[0008] As a preferred technical solution, a nose pad is fixedly connected to the rear outer wall of the mounting frame, and the nose pad is made of silicone material.
[0009] As a preferred technical solution, two square holes are symmetrically opened on the mounting plate, and a glass plate is fixedly mounted in each square hole.
[0010] As a preferred technical solution, a measuring hole is opened on the top of each movable measuring frame, and a convex lens is fixedly installed in the measuring hole, and a pointer is fixedly installed in the measuring hole at the rear side of the convex lens.
[0011] As a preferred technical solution, a non-slip pad is fixedly connected to the bottom of one end of the support foot away from the mounting frame, and the non-slip pad is made of silicone material.
[0012] As a preferred technical solution, the scale line is divided into two symmetrical sections from the middle of the mounting plate, and the 0 scale marks of the two scale lines are both located in the middle of the mounting plate.
[0013] As a preferred technical solution, the nose pad is provided with a special-shaped groove that fits the bridge of the nose, and anti-slip protrusions are provided in the groove.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] The utility model is provided with a mounting frame, a rotatable mounting plate, a movable measuring frame and a supporting foot. The mounting plate is rotatably mounted on the front side of the mounting frame through a rotating shaft, so that the device has an adjustable angle, which is convenient for users to measure. Two movable measuring frames are symmetrically slidably mounted on the mounting plate, and the accurate measurement of the pupil distance can be achieved in conjunction with the scale lines on the front side of the mounting plate. The movable measuring frame is designed with a positioning ball, which helps to align the pupil of the person being measured and increase the accuracy of the measurement. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a structural schematic diagram of the mounting plate in the utility model;
[0018] Figure 3 It is a structural schematic diagram of the movable measuring frame in the utility model;
[0019] Figure 4 For the utility model Figure 3 Schematic diagram of the local structure.
[0020] The meaning of each number in the figure is:
[0021] 1. Mounting frame; 10. Support foot; 11. Anti-slip pad; 2. Nose pad; 3. Mounting plate; 30. Glass plate; 31. Scale line; 32. Movable measuring frame; 320. Vertical plate; 321. Opening; 322. Positioning ball; 323. Limiting slider; 324. Convex lens; 325. Pointer; 33. Rotating shaft; 34. Slide groove. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-Figure 4 , the utility model provides a technical solution:
[0024] A device for measuring pupil distance includes a mounting frame 1, a mounting plate 3 is rotatably mounted on the front side of the mounting frame 1 via a rotating shaft 33, two movable measuring frames 32 are symmetrically slidably mounted on the mounting plate 3, a scale line 31 used in conjunction with the movable measuring frames 32 is provided on the top of the front outer wall of the mounting plate 3, the movable measuring frames 32 include a vertical plate 320 as a main body, an opening 321 is provided at the center of each vertical plate 320, a positioning ball 322 is fixedly mounted at the center of the opening 321, and a support foot 10 is fixedly connected to the top of the outer walls on both sides of the mounting frame 1. By setting the mounting frame 1, the rotatable mounting plate 3, the movable measuring frame 32 and the supporting foot 10, the mounting plate 3 is rotatably mounted on the front side of the mounting frame 1 via the rotating shaft 33, so that the device has an adjustable angle, which is convenient for the user to measure. Two movable measuring frames 32 are symmetrically slidably mounted on the mounting plate 3, and accurate measurement of pupil distance can be achieved in conjunction with the scale line 31 on the front side of the mounting plate 3. The movable measuring frame 32 is designed with a positioning ball 322, which helps to align the pupil of the measured person and increase the measurement accuracy.
[0025] As a preferred embodiment of the present invention, a slide groove 34 is provided at the top and bottom of the mounting plate 3, and a limiting slider 323 is integrally formed at the top and bottom of the vertical plate 320, and the two limiting sliders 323 are respectively slidably connected with the two slide grooves 34. By providing the slide grooves 34 at the top and bottom of the mounting plate 3, the limiting sliders 323 on the movable measuring frame 32 are matched to realize the stable sliding of the movable measuring frame 32 on the mounting plate 3, and at the same time ensure the accuracy of the measurement.
[0026] As a preferred embodiment of the present invention, a nose pad 2 is fixedly connected to the outer wall of the rear side of the mounting frame 1, and the nose pad 2 is made of silicone material, which increases the comfort of the user when wearing it and has a good anti-slip effect.
[0027] As a preferred embodiment of the present invention, two square holes are symmetrically provided on the mounting plate 3, and a glass plate 30 is fixedly installed in each square hole. The two glass plates 30 facilitate the user to observe the pupil of the subject, and help to measure the pupil distance more accurately.
[0028] As a preferred embodiment of the present invention, each movable measuring frame 32 has a measuring hole on the top, and a convex lens 324 is fixedly installed in the measuring hole, and a pointer 325 is fixedly installed in the measuring hole behind the convex lens 324. The convex lens 324 can assist the user to more accurately align the pupil of the measured person, and the pointer 325 is used to indicate the measuring position, thereby improving the accuracy of the measurement.
[0029] As a preferred embodiment of the present invention, a non-slip pad 11 is fixedly connected to the bottom of one end of the support foot 10 away from the mounting frame 1, and the non-slip pad 11 is made of silicone material. The non-slip pad 11 is made of silicone material to increase the stability of the device when it is placed.
[0030] As a preferred embodiment of the present invention, the scale line 31 is divided into two symmetrical sections from the middle of the mounting plate 3, and the 0 scale of the two scale lines 31 is located in the middle of the mounting plate 3. Such a design facilitates the user to perform symmetrical measurements and makes the measurement results more intuitive and easy to read.
[0031] As a preferred embodiment of this embodiment, a special-shaped groove that fits the bridge of the nose is provided on the nose pad 2, and an anti-slip convex point is provided in the groove. Such a design further improves the wearing comfort and stability, and ensures the accuracy during the measurement process.
[0032] When the pupil distance measuring device of the utility model is used, first, the user picks up the pupil distance measuring device and adjusts the angle of the mounting plate 3 on the mounting frame 1 to adapt the device to his / her sight and usage habits. Next, the user places the pupil distance measuring device in front of the eyes to make the nose pad 2 fit the nose bridge. Next, the user slides the position of the movable measuring frame 32 on the mounting plate 3 to align the positioning balls 322 on the two movable measuring frames 32 with the eyeballs. At this time, the user can read the value on the scale line 31 to obtain the pupil distance of the subject.
[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A pupil distance measuring device, comprising a mounting frame (1), characterized in that: A mounting plate (3) is rotatably mounted on the front side of the mounting frame (1) via a rotating shaft (33); two movable measuring frames (32) are symmetrically slidably mounted on the mounting plate (3); a scale line (31) for use with the movable measuring frames (32) is provided at the top of the front outer wall of the mounting plate (3); the movable measuring frames (32) include a vertical plate (320) as a main body; an opening (321) is provided at the center of each vertical plate (320); a positioning ball (322) is fixedly mounted at the center of the opening (321); and a supporting foot (10) is fixedly connected to the top of the outer walls on both sides of the left and right sides of the mounting frame (1).
2. The pupil distance measuring device according to claim 1, characterized in that: The top and bottom of the mounting plate (3) are each provided with a slide groove (34), the top and bottom of the vertical plate (320) are each integrally formed with a limiting slider (323), and the two limiting sliders (323) are respectively slidably connected to the two slide grooves (34).
3. The pupil distance measuring device according to claim 2, characterized in that: A nose pad (2) is fixedly connected to the rear outer wall of the mounting frame (1), and the nose pad (2) is made of silicone material.
4. The pupil distance measuring device according to claim 3, characterized in that: The mounting plate (3) is symmetrically provided with two square holes, and a glass plate (30) is fixedly mounted in each square hole.
5. The pupil distance measuring device according to claim 4, characterized in that: A measuring hole is formed on the top of each movable measuring frame (32), and a convex lens (324) is fixedly mounted in the measuring hole. A pointer (325) is fixedly mounted in the measuring hole at the rear side of the convex lens (324).
6. The pupil distance measuring device according to claim 5, characterized in that: An anti-skid pad (11) is fixedly connected to the bottom of one end of the support foot (10) away from the installation frame (1), and the anti-skid pad (11) is made of silica gel.
7. The pupil distance measuring device according to claim 6, characterized in that: The scale line (31) is divided into two symmetrical sections from the middle of the mounting plate (3), and the 0 scale marks of the two scale lines (31) are both located in the middle of the mounting plate (3).
8. The pupil distance measuring device according to claim 7, characterized in that: The nose pad (2) is provided with a special-shaped groove that fits the bridge of the nose, and an anti-slip convex point is provided in the groove.