CN215128435U

CN215128435U - Wearing type pupil distance measuring instrument

Info

Publication number: CN215128435U
Application number: CN202120334662.8U
Authority: CN
Inventors: 罗荧荃; 张慧; 许琰; 周雅琴
Original assignee: Second Xiangya Hospital of Central South University
Current assignee: Second Xiangya Hospital of Central South University
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-12-14
Anticipated expiration: 2031-02-05

Abstract

The utility model discloses a wear-type interpupillary distance measuring apparatu belongs to optical equipment technical field, including the transparent lens board, the equal fixedly connected with connecting seat in the left and right sides at the transparent lens board back, two the inside of connecting seat all articulates there is the spectacle frame, the front of transparent lens board is provided with the ruler, the equal fixedly connected with connecting plate in the left and right sides of ruler bottom, two the internal thread pivot of being connected is all inlayed to one side that the connecting plate carried on the back mutually, two the equal fixedly connected with second knob of one end that the internal thread pivot carried on the back mutually, two the equal threaded connection in inboard of internal thread pivot has the lead screw, two the equal fixedly connected with sight glass of one end that the lead screw is relative. The utility model discloses a, it is low to possess the measurement requirement, and convenient to use and advantage that the accuracy is high have solved current measurement mode and have required highlyer to the measurement person with the degree of coordination by the person, measure inconveniently, and measure the problem that the accuracy is difficult to the assurance.

Description

Wearing type pupil distance measuring instrument

Technical Field

The utility model relates to an optical equipment technical field, more specifically say, relate to a wear-type interpupillary distance measuring apparatu.

Background

The pupil distance is simply the distance of the pupil, the eyes of a normal person watch the same object, the object images at the retinas of the two eyes respectively and is overlapped at the visual center of the brain to form a complete single object with three-dimensional sense, the function is called binocular single vision, the problem of measuring the pupil distance is often involved in medical treatment, optical lens arrangement, cosmetology and physiological health examination of five sense organs, and the pupil distance measurement is a necessary process when the spectacles are arranged or the vision detection is carried out.

At present, the pupil distance is measured and is used handheld ordinary ruler or slide caliper to measure usually, and this kind of pupil distance measurement mode requires highly to measurer and measurand person's degree of fit, need measure person certain direction of visualing and keep the certain time when measuring, and the shake of measurand person's hand of need control, consequently leads to measuring inconvenient, and the measurement accuracy is difficult to guarantee, for this, provides a wear-type pupil distance measuring apparatu and solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims at providing a wear-type interpupillary distance measuring apparatu possesses to measure to require lowly, and convenient to use and advantage that the accuracy is high have solved current measurement mode and have required higherly to the measuring person with the degree of cooperation that is measured the person, measure inconveniently, and measure the problem that the accuracy is difficult to guarantee.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A wearable pupillary distance measuring instrument comprises a transparent lens plate, wherein the left side and the right side of the back surface of the transparent lens plate are fixedly connected with connecting seats, the insides of the two connecting seats are hinged with a spectacle frame, the front surface of the transparent lens plate is provided with a ruler, the left side and the right side of the bottom of the ruler are fixedly connected with connecting plates, an internal thread rotating shaft which is rotatably connected with the two connecting plates is embedded in one side of the opposite sides of the two connecting plates, one end of the opposite side of the two internal thread rotating shafts is fixedly connected with a second knob, the inner sides of the two internal thread rotating shafts are both in threaded connection with a screw rod, the opposite ends of the two screw rods are both fixedly connected with sight glasses, the tops of the two sight glasses are both fixedly connected with sliding plates, the positive both sides of ruler have all been seted up the spout, two one side that the sight glass was kept away from to the slide all extends to the inside of spout and rather than sliding connection.

Preferably, the positive left side fixedly connected with fixed block of transparent lens board, the top of fixed block is rotated and is connected with the threaded rod, the first knob of top fixedly connected with of threaded rod, the outside threaded connection of threaded rod has the elevator, the right side of elevator and the left side fixed connection of ruler.

Preferably, two the front of slide all is provided with first index mark, first index mark point to ruler and with the vertical axis alignment of sight glass.

Preferably, the right side of the front of the transparent lens plate is provided with scale marks, the right side of the connecting plate is provided with a second indication mark, and the second indication mark points to the scale marks and is aligned with the horizontal axis of the sight glass.

Preferably, a limiting groove is formed in the right side of the front face of the transparent lens plate, a limiting block is fixedly connected to the right side of the back face of the ruler, and the bottom end of the limiting block extends to the inside of the limiting groove and is in sliding connection with the limiting groove.

Preferably, the outer sides of the two spectacle frames are sleeved with anti-slip sleeves, and anti-slip strips are integrally formed at the bottoms of the two anti-slip sleeves.

Preferably, the back surface of the transparent lens plate is fixedly connected with a nose pad, and the back surface of the nose pad is corrugated.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the wearable interpupillary distance measuring instrument drives the threaded rod to rotate by rotating the first knob left and right, the threaded rod drives the lifting block to drive the ruler to lift, the ruler drives the connecting plate to enable the sight glass to move up and down for height adjustment, the second knob is rotated left and right to drive the internal thread rotating shaft to rotate, the internal thread rotating shaft enables the threaded rod to move left and right along the internal thread rotating shaft, the threaded rod can push the sight glass to move left and right, the sight glass drives the sliding plate to move in the sliding groove when moving, so that the moving stability of the sight glass is ensured, and the transverse position of the sight glass is adjusted, the height and the transverse position of the sight glass can be adjusted by the steps, the aim is to adjust the central positions of two sight glasses to the central positions of pupils of two eyes of a measured person, the interpupillary distance can be calculated by the scale of the first indicating mark pointing to the surface of the ruler, the measurement can be operated by one person, and the matching degree of the measured person is not required, the measurement is convenient and the accuracy is improved, and the problems that the existing measurement mode has higher requirement on the degree of matching between a measurer and a measured person, the measurement is inconvenient, and the measurement accuracy is difficult to guarantee are solved.

(2) This wear-type interpupillary distance measuring apparatu through when the piece drives the ruler lift at the lift, the ruler can drive the connecting plate and remove, can calculate out the pupil height through the directional scale mark of second indicator that the connecting plate right side set up.

(3) This wear-type interpupillary distance measuring apparatu erects on measurand's ears through the spectacle frame, and the spectacle frame contacts the ear top of measurand through antiskid cover and antislip strip this moment, increases the frictional force of spectacle frame and ear, is corrugated nose bracket through the back and establishes on the bridge of the nose, supports the transparent lens board, and improves and bridge of the nose between the frictional force to this avoids the transparent lens board not hard up or the slippage, improves and measures accuracy nature.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a side sectional view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

The reference numbers in the figures illustrate:

1. a transparent lens plate; 2. a connecting seat; 3. a spectacle frame; 4. a fixed block; 5. a threaded rod; 6. a first knob; 7. a lifting block; 8. a straightedge; 9. a connecting plate; 10. an internal thread rotating shaft; 11. a second knob; 12. a screw rod; 13. an alignment mirror; 14. a slide plate; 15. a chute; 16. a limiting groove; 17. a limiting block; 18. an anti-slip sleeve; 19. anti-slip strips; 20. a nose pad.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Please refer to fig. 1-3, a wearable interpupillary distance measuring instrument, including transparent lens plate 1, the equal fixedly connected with connecting seat 2 in the left and right sides at the back of transparent lens plate 1, the inside of two connecting seats 2 all articulates there is spectacle frame 3, the front of transparent lens plate 1 is provided with ruler 8, the equal fixedly connected with connecting plate 9 in the left and right sides of ruler 8 bottom, the internal thread pivot 10 rather than rotating connection is all inlayed to one side that two connecting plates 9 back to back, the equal fixedly connected with second knob 11 in the one end that two internal thread pivots 10 back to back, the equal threaded connection in inboard of two internal thread pivots 10 has lead screw 12, the equal fixedly connected with sighting telescope 13 in the one end that two lead screws 12 are relative, the equal fixedly connected with slide 14 in top of two sighting telescope 13, spout 15 has all been seted up to the positive both sides of ruler 8, one side that two slide 14 kept away from sighting telescope 13 all extends to the inside of spout 15 and rather than sliding connection.

Further, the positive left side fixedly connected with fixed block 4 of transparent lens board 1, the top of fixed block 4 is rotated and is connected with threaded rod 5, the first knob 6 of top fixedly connected with of threaded rod 5, the outside threaded connection of threaded rod 5 has elevator 7, the right side of elevator 7 and the left side fixed connection of ruler 8.

Further, the front of two slides 14 all is provided with first index mark, and first index mark points to ruler 8 and aligns with the vertical axis of sight glass 13, through the scale on the directional ruler 8 surface of first index mark, can calculate out the pupil distance.

Further, the positive right side of transparent lens board 1 is provided with the scale mark, and the right side of connecting plate 9 on right side is provided with the second index mark, and the directional scale mark of second index mark just aligns with the horizontal axis of sight glass 13, can calculate out the pupil height through the directional scale mark of second index mark.

Further, a limiting groove 16 is formed in the right side of the front face of the transparent lens plate 1, a limiting block 17 is fixedly connected to the right side of the back face of the ruler 8, the bottom end of the limiting block 17 extends to the inside of the limiting groove 16 and is in sliding connection with the limiting groove, the limiting block 17 can be driven to slide in the limiting groove 16 when the ruler 8 is lifted and lowered, and the limiting block 17 is matched with the limiting groove 16 to limit the movement of the ruler 8, so that the ruler 8 is stable in movement.

Further, the outside of two spectacle frame 3 has all cup jointed anti-skidding cover 18, and the bottom homogeneous body shaping of two anti-skidding covers 18 has antislip strip 19, erects on measurand's ears through spectacle frame 3, and spectacle frame 3 contacts measurand's ear top through anti-skidding cover 18 and antislip strip 19 this moment, increases spectacle frame 3 and ear's friction, avoids becoming flexible, improves and measures the accuracy nature.

Further, the back fixedly connected with nose of transparent lens board 1 holds in the palm 20, and the back that the nose held in the palm 20 is the corrugate, holds in the palm 20 through the back that is the corrugate nose and erects on the bridge of the nose, supports transparent lens board 1, and improves the frictional force between the bridge of the nose, is difficult for appearing the downward slippage phenomenon under the condition that the bridge of the nose perspires or produces oil.

The working principle is as follows: when the utility model is used, the spectacle frame 3 is erected on two ears, the nose support 20 is erected on the nose bridge, the first knob 6 is rotated left and right to drive the threaded rod 5 to rotate under the support of the fixed block 4, the threaded rod 5 enables the lifting block 7 to move up and down along the threaded rod 5 through thread transmission, the lifting block 7 drives the ruler 8 to lift, and the ruler 8 drives the connecting plate 9 to enable the sight glass 13 to move up and down for height adjustment, the second knob 11 is rotated left and right to drive the internal thread rotating shaft 10 to rotate under the support of the connecting plate 9, the screw rod 12 of the threaded connection inside the internal thread rotating shaft 10 can move left and right along the internal thread rotating shaft 10, the screw rod 12 can push the sight glass 13 to move left and right, the sight glass 13 can be driven to move in the chute 15 when moving, thereby the stability of the movement of the sight glass 13 is ensured, and the transverse position of the sight glass 13 is adjusted, the height and the transverse position of the sight glass 13 can be adjusted in the above steps, the purpose is with two alignment mirror 13's centre position adjustment to the central point that is surveyed person's two eyes pupil puts, through the scale on the directional ruler 8 surface of first index mark, can calculate the interpupillary distance, can measure by one-man operation, do not require to measure person and the degree of coordination that is surveyed the person, it is convenient and improve the accuracy to measure, and when lifting block 7 drove ruler 8 and go up and down, ruler 8 can drive connecting plate 9 and remove, can calculate out the pupil height through the directional scale mark of second index mark that connecting plate 9 right side set up, it is higher to measuring person and the degree of coordination that is surveyed the person to have solved current measurement mode, it is inconvenient to measure, and measure the problem that the accuracy is difficult to guarantee.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a wear-type interpupillary distance measuring apparatu, includes transparent lens board (1), its characterized in that: the glasses frame is characterized in that the left side and the right side of the back of the transparent lens plate (1) are fixedly connected with connecting seats (2), the interiors of the two connecting seats (2) are hinged with a glasses frame (3), a ruler (8) is arranged on the front of the transparent lens plate (1), connecting plates (9) are fixedly connected with the left side and the right side of the bottom of the ruler (8), internal thread rotating shafts (10) which are rotatably connected with the two connecting plates (9) are embedded in one sides of the two opposite sides of the connecting plates (9), one ends of the two internal thread rotating shafts (10) which are opposite to each other are fixedly connected with a second knob (11), the inner sides of the two internal thread rotating shafts (10) are both in threaded connection with lead screws (12), one ends of the two lead screws (12) which are opposite to each other are fixedly connected with an aiming mirror (13), the tops of the two aiming mirrors (13) are both fixedly connected with sliding plates (14), and sliding grooves (15) are formed in the two positive sides of the ruler (8), one side of each sliding plate (14) far away from the sight glass (13) extends to the inside of the sliding groove (15) and is connected with the sliding groove in a sliding mode.

2. The wearable interpupillary distance measuring instrument according to claim 1, wherein: transparent lens board (1) positive left side fixedly connected with fixed block (4), the top of fixed block (4) is rotated and is connected with threaded rod (5), the first knob (6) of top fixedly connected with of threaded rod (5), the outside threaded connection of threaded rod (5) has elevator (7), the right side of elevator (7) and the left side fixed connection of ruler (8).

3. The wearable interpupillary distance measuring instrument according to claim 1, wherein: the front of two slide (14) all is provided with first index mark, first index mark point to ruler (8) and with the vertical axis alignment of sight glass (13).

4. The wearable interpupillary distance measuring instrument according to claim 1, wherein: the right side of the front face of the transparent lens plate (1) is provided with scale marks, the right side of the connecting plate (9) is provided with a second indication mark, and the second indication mark points to the scale marks and is aligned with the horizontal axis of the sight glass (13).

5. The wearable interpupillary distance measuring instrument according to claim 1, wherein: limiting groove (16) have been seted up on the positive right side of transparent lens board (1), right side fixedly connected with stopper (17) at ruler (8) back, the bottom of stopper (17) extends to the inside of limiting groove (16) and rather than sliding connection.

6. The wearable interpupillary distance measuring instrument according to claim 1, wherein: the outer sides of the two spectacle frames (3) are sleeved with anti-skidding sleeves (18), and the bottoms of the two anti-skidding sleeves (18) are integrally formed with anti-skidding strips (19).

7. The wearable interpupillary distance measuring instrument according to claim 1, wherein: the back of the transparent lens plate (1) is fixedly connected with a nose support (20), and the back of the nose support (20) is corrugated.