CN215128440U

CN215128440U - Binocular indirect ophthalmoscope

Info

Publication number: CN215128440U
Application number: CN202120672065.6U
Authority: CN
Inventors: 彭素娟
Original assignee: Guangdong Hongen Health Management Co ltd
Current assignee: Guangdong Hongen Health Management Co ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-12-14
Anticipated expiration: 2031-04-01

Abstract

The utility model belongs to the technical field of medical equipment, especially, be a two mesh indirect ophthalmoscopes, mostly lack the function of stabilizing the centre gripping to user's head to current two mesh indirect ophthalmoscopes, and lack the function of adjusting the interpupillary distance to cause the problem that the use flexibility of device reduces, the following scheme is proposed now, and it includes the headgear, the inboard top of headgear is rotated and is installed two-way threaded rod, two-way threaded rod's outside threaded connection has two screw caps, and one side that two screw caps are close to each other all rotates installs the centre gripping cotton, and the cotton outside fixed mounting of centre gripping has the spring, the one end fixed mounting of spring is on the screw cap, and the lead screw is installed in the bottom both sides of headgear all rotate. The utility model relates to a rationally, artifical first knob that rotates to drive the lead screw and rotate, thereby make glasses obtain horizontal motion, thereby can adjust the distance of pupil, thereby satisfy different users' use.

Description

Binocular indirect ophthalmoscope

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a two mesh indirect ophthalmoscopes.

Background

The ophthalmoscope is one of the routine examination items of ophthalmology, and the ophthalmoscope is a medical optical instrument which is necessary in the ophthalmoscope, and is generally divided into a direct ophthalmoscope and an indirect ophthalmoscope, wherein the direct ophthalmoscope has short examination distance, small visual field and low illumination intensity, and the application range of the direct ophthalmoscope has certain limitation; the binocular indirect ophthalmoscope can obtain good stereoscopic observation vision, and has the advantages of large depth of field, clear imaging, teaching, photographing, camera shooting and the like.

Most of the existing binocular indirect ophthalmoscopes lack the function of stabilizing the head of a user and the function of adjusting the interpupillary distance, so that the use flexibility of the device is reduced, and therefore the binocular indirect ophthalmoscope is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current two mesh indirect ophthalmoscopes and mostly lacking the function of stabilizing the centre gripping to the user head, and lack the function of adjusting the interpupillary distance to cause the shortcoming that the use flexibility of device reduces, and the two mesh indirect ophthalmoscopes that propose.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a binocular indirect ophthalmoscope comprises a head sleeve, wherein a bidirectional threaded rod is rotatably mounted at the top of the inner side of the head sleeve, two threaded caps are in threaded connection at the outer side of the bidirectional threaded rod, clamping cotton is rotatably mounted at one side, close to each other, of the two threaded caps, a spring is fixedly mounted at the outer side of the clamping cotton, one end of the spring is fixedly mounted on the threaded caps, lead screws are rotatably mounted at the two sides of the bottom of the head sleeve, an L-shaped connecting plate is in threaded connection at the outer side of the lead screws, the top of the L-shaped connecting plate is slidably mounted at the bottom of the head sleeve, glasses are fixedly mounted at one side, close to each other, of the two L-shaped connecting plates, a vertical shaft and two worms are rotatably mounted at the top of the inner side of the head sleeve, a first gear is fixedly mounted at the bottom of the vertical shaft, a second gear is fixedly mounted at the outer sides of the two worms, and the first gear is meshed with the two second gears respectively, the inboard top of headgear rotates and installs two worm wheels, is located the worm and the worm wheel intermeshing of homonymy, and the rear side fixed mounting of worm wheel has the reel, the outside of reel is around being equipped with the haulage rope, and the one end fixed mounting of haulage rope is on the reel, and the other end fixed mounting of haulage rope is in the cotton outside of centre gripping.

Preferably, the one end fixed mounting of lead screw has first knob, and the one end of two-way threaded rod extends to the outside and the fixed mounting of headgear has the second knob, and the top of vertical axle extends to the outside and the fixed mounting of headgear has the third knob, through first knob, second knob and the third knob that sets up to make things convenient for artifical lead screw, two-way threaded rod and vertical axle of rotating.

Preferably, a sliding rod is fixedly installed on the inner wall of the top of the head sleeve, the inner side of the threaded cap is slidably installed on the outer side of the sliding rod, and a certain guiding effect is achieved for the horizontal movement of the threaded cap through the arranged sliding rod.

Preferably, the equal fixed mounting in bottom both sides of headgear has the limiting plate, and the outside of two lead screws rotates respectively to be installed in the inboard of the limiting plate that corresponds, through the limiting plate that sets up to rotation for the lead screw provides certain supporting role.

Preferably, first through-hole has been seted up at the top of headgear, and the inboard at first through-hole is installed in the outside rotation of vertical axle, through the first through-hole that sets up to rotation for vertical axle provides certain rotation range.

Preferably, two second through holes are formed in the top of the head sleeve, the outer sides of the two worms are respectively rotatably mounted on the inner sides of the corresponding second through holes, and a certain rotating range is provided for the rotation of the worms through the arranged second through holes.

In the utility model, a binocular indirect ophthalmoscope, through the two-way threaded rod that sets up, the rotation of two-way threaded rod makes two screw caps obtain the motion that the horizontal direction is close to each other, thereby drive the centre gripping cotton and obtain same horizontal motion, then the manual rotation third knob, thereby make vertical axis rotate, thereby drive first gear rotation, thereby drive two second gear synchronous rotations, thereby make two worms rotate, thereby drive two worm wheels to rotate, thereby make two reels rotate, thereby drive two haulage ropes and obtain the work of winding, thereby make the centre gripping cotton slope, thereby can laminate with the head, realize the centre gripping work;

the utility model relates to a rationally, artifical first knob that rotates to drive the lead screw and rotate, thereby make glasses obtain horizontal motion, thereby can adjust the distance of pupil, thereby satisfy different users' use.

Drawings

Fig. 1 is a schematic structural view of a binocular indirect ophthalmoscope provided by the present invention;

fig. 2 is a cross-sectional view of a binocular indirect ophthalmoscope provided by the present invention;

fig. 3 is the structural schematic diagram of part a of the binocular indirect ophthalmoscope provided by the utility model.

In the figure: 1. a headgear; 2. a bidirectional threaded rod; 3. a threaded cap; 4. clamping cotton; 5. a spring; 6. a screw rod; 7. an L-shaped connecting plate; 8. glasses; 9. a first knob; 10. a second knob; 11. a worm; 12. a worm gear; 13. a reel; 14. a hauling rope; 15. a vertical axis; 16. a first gear; 17. a second gear; 18. and a third knob.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a binocular indirect ophthalmoscope comprises a head cover 1, a bidirectional threaded rod 2 is rotatably mounted at the top of the inner side of the head cover 1, two threaded caps 3 are in threaded connection with the outer sides of the bidirectional threaded rod 2, a clamping cotton 4 is rotatably mounted at one side, close to each other, of the two threaded caps 3, a spring 5 is fixedly mounted at the outer side of the clamping cotton 4, one end of the spring 5 is fixedly mounted on the threaded cap 3, a screw rod 6 is rotatably mounted at both sides of the bottom of the head cover 1, an L-shaped connecting plate 7 is in threaded connection with the outer side of the screw rod 6, the top of the L-shaped connecting plate 7 is slidably mounted at the bottom of the head cover 1, glasses 8 are fixedly mounted at one side, close to each other, a vertical shaft 15 and two worms 11 are rotatably mounted at the top of the inner side of the head cover 1, a first gear 16 is fixedly mounted at the bottom of the vertical shaft 15, and second gears 17 are fixedly mounted at the outer sides of the two worms 11, first gear 16 respectively with two second gear 17 intermeshing, two worm wheel 12 are installed in the inboard top of headgear 1 rotation, the worm 11 and the worm wheel 12 intermeshing that are located the homonymy, the rear side fixed mounting of worm wheel 12 has reel 13, the outside of reel 13 is around being equipped with haulage rope 14, the one end fixed mounting of haulage rope 14 is on reel 13, the other end fixed mounting of haulage rope 14 is in the outside of centre gripping cotton 4.

The utility model discloses in, the one end fixed mounting of lead screw 6 has first knob 9, and the one end of two-way threaded rod 2 extends to the outside of headgear 1 and fixed mounting has second knob 10, and the top of vertical axle 15 extends to the outside of headgear 1 and fixed mounting has third knob 18, through first knob 9, second knob 10 and the third knob 18 that sets up to make things convenient for the manual work to rotate lead screw 6, two-way threaded rod 2 and vertical axle 15.

The utility model discloses in, fixed mounting has the slide bar on the top inner wall of headgear 1, and the inboard slidable mounting of screw cap 3 is in the outside of slide bar, through the slide bar that sets up to play the effect of certain direction for the horizontal motion of screw cap 3.

The utility model discloses in, the equal fixed mounting in bottom both sides of headgear 1 has the limiting plate, and the inboard of installing at the limiting plate that corresponds is rotated respectively in the outside of two lead screws 6, through the limiting plate that sets up to rotation for lead screw 6 provides certain supporting role.

The utility model discloses in, first through-hole has been seted up at the top of headgear 1, and the inboard at first through-hole is installed in the rotation in the outside of vertical axle 15, through the first through-hole that sets up to rotation for vertical axle 15 provides certain rotation range.

The utility model discloses in, two second through-holes have been seted up at the top of headgear 1, and the inboard of installing at the second through-hole that corresponds is rotated respectively in the outside of two worms 11, through the second through-hole that sets up to rotation for worm 11 provides certain rotation range.

The working principle of the binocular indirect ophthalmoscope is as follows: the user overlaps headgear 1 in the head position, at first rotate second knob 10, thereby make two-way threaded rod 2 rotate, thereby make two screw caps 3 obtain the motion that the horizontal direction is close to each other, thereby drive centre gripping cotton 4 and obtain same horizontal motion, thereby can carry out the centre gripping to user's head, then the manual work rotates third knob 18, thereby make vertical axle 15 rotate, thereby drive first gear 16 and rotate, thereby drive two second gear 17 and rotate in step, thereby make two worms 11 rotate, thereby drive two worm wheels 12 and rotate, thereby make two reels 13 rotate, thereby drive two haulage ropes 14 and obtain the work of establishing of winding, thereby make centre gripping cotton 4 slope, thereby can laminate with the head, realize centre gripping work, finally through the lead screw 6 that sets up, the manual work rotates first knob 9, thereby drive lead screw 6 and rotate, thereby allowing the glasses 8 to be horizontally moved so that the distance of the pupils can be adjusted for use.

Claims

1. The binocular indirect ophthalmoscope comprises a head cover (1) and is characterized in that the top of the inner side of the head cover (1) is rotated to install a two-way threaded rod (2), the outer side of the two-way threaded rod (2) is connected with two threaded caps (3) in a threaded manner, one side, close to each other, of the two threaded caps (3) is rotated to install clamping cotton (4), the outer side of the clamping cotton (4) is fixedly provided with a spring (5), one end of the spring (5) is fixedly arranged on the threaded caps (3), two sides of the bottom of the head cover (1) are rotated to install a lead screw (6), the outer side of the lead screw (6) is connected with an L-shaped connecting plate (7) in a threaded manner, the top of the L-shaped connecting plate (7) is slidably arranged at the bottom of the head cover (1), one side, close to each other, of the two L-shaped connecting plates (7) is fixedly provided with glasses (8), the top of the inner side of the head cover (1) is rotated to install a vertical shaft (15) and two worms (11), the bottom fixed mounting of vertical axle (15) has first gear (16), and the equal fixed mounting in the outside of two worms (11) has second gear (17), and first gear (16) respectively with two second gear (17) intermeshing, the inboard top of headgear (1) is rotated and is installed two worm wheel (12), and worm (11) and worm wheel (12) intermeshing that are located the homonymy, the rear side fixed mounting of worm wheel (12) have reel (13), the outside of reel (13) is around being equipped with haulage rope (14), and the one end fixed mounting of haulage rope (14) is on reel (13), and the other end fixed mounting of haulage rope (14) is in the outside of centre gripping cotton (4).

2. A binocular indirect ophthalmoscope according to claim 1, wherein one end of the screw rod (6) is fixedly mounted with a first knob (9), one end of the bidirectional threaded rod (2) extends to the outside of the headgear (1) and is fixedly mounted with a second knob (10), and the top end of the vertical shaft (15) extends to the outside of the headgear (1) and is fixedly mounted with a third knob (18).

3. A binocular indirect ophthalmoscope according to claim 1, wherein a sliding bar is fixedly mounted on the top inner wall of the headgear (1), and the inner side of the threaded cap (3) is slidably mounted on the outer side of the sliding bar.

4. A binocular indirect ophthalmoscope according to claim 1, wherein limiting plates are fixedly mounted on both sides of the bottom of the head sleeve (1), and the outer sides of the two lead screws (6) are rotatably mounted on the inner sides of the corresponding limiting plates respectively.

5. A binocular indirect ophthalmoscope according to claim 1, wherein the head cover (1) is provided with a first through hole at the top, and the outer side of the vertical shaft (15) is rotatably mounted at the inner side of the first through hole.

6. A binocular indirect ophthalmoscope according to claim 1, wherein the top of the head cover (1) is provided with two second through holes, and the outer sides of the two worms (11) are rotatably mounted on the inner sides of the corresponding second through holes, respectively.