CN216317545U

CN216317545U - Portable cornea topographic map instrument

Info

Publication number: CN216317545U
Application number: CN202122479411.1U
Authority: CN
Inventors: 何祥; 渠浩
Original assignee: Chongqing Aipin Optical Glasses Co ltd
Current assignee: Chongqing Aipin Optical Glasses Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-04-19
Anticipated expiration: 2031-10-15

Abstract

The utility model relates to the technical field of ophthalmologic image processing, and discloses a portable cornea topographer, which comprises a box body and a cornea topographer body. This portable cornea topographic map appearance, through setting up servo motor, start servo motor and pass through output shaft drive first gear revolve, first gear revolve then can drive second gear and threaded rod and rotate, make two about the screwed plate move mutually away from each other, the connecting rod drives two bracing piece moves mutually back this moment, make the storage plate drive the inside that cornea topographic map appearance body moved down to the box, promote the push pedal this moment and make first compression spring be in compression state, then cover the apron, loosen the push pedal at last, make first compression spring reset and drive joint pole and joint integrated circuit board and connect, thereby realized accomodating the diagonal membrane topographic map appearance body and place, the carrying of corneal topographic map appearance body has been made things convenient for, the practicality of very big improvement device, and the use of people is convenient for.

Description

Portable cornea topographic map instrument

Technical Field

The utility model relates to the technical field of ophthalmologic image processing, in particular to a portable cornea topographer.

Background

The cornea is the most important optical surface of the human eye, and any changes in the curvature of the cornea, and its corneal surface, change the total refractive power of the eye or change the quality of the retinal image, therefore, the measurement and analysis of cornea and cornea morphology become an important part of eye refractive study and clinic, and various cornea topographer products based on different measurement principles are available on the market at present, and the commonly used measurement methods include Placido disc method, slit scanning method, three-dimensional triangular grating grid projection method, interferometry and the like, among them, the cornea topographer based on Placido plate method is most widely used, the Placido plate is a concentric ring with black and white, when the Placido plate is used for inspection, the examiner observes the images of concentric rings on the examinee's cornea through a small hole in the disc to know the curvature of the cornea, and a normal cornea image should be a regular concentric circle, regular astigmatism should be an ellipse of a different shape, and irregular astigmatism should be an irregular cornea image.

The common corneal topography appearance in the market still has a great deal of shortcoming at present, for example current corneal topography appearance is whole bulky great, and inconvenient people carry, and when not using, the corneal topography appearance exposes outside moreover, receives external collision very easily and damages, not only can not play certain guard action, reduces the life of corneal topography appearance moreover, and the practicality is relatively poor, so provides a portable corneal topography appearance.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a portable cornea topographic map instrument, which has the advantages of being convenient to carry, improving the protective performance of the cornea topographic map instrument and the like, and solves the problems that the conventional cornea topographic map instrument is large in overall size, inconvenient to carry by people, and when the corneal topographic map instrument is not used, the corneal topographic map instrument is exposed outside and is easily damaged by external collision, cannot play a certain protective role, and the service life of the cornea topographic map instrument is shortened, so that the practicability is poor.

(II) technical scheme

In order to realize the purposes of being convenient to carry and improving the protective performance of the corneal topographer, the utility model provides the following technical scheme: a portable corneal topographer comprises a box body and a corneal topographer body, wherein the corneal topographer body is positioned inside the box body, a connecting hinge is arranged at the top of the right side of the box body, a box cover component attached to the top of the box body is arranged on the left side of the connecting hinge, a clamping component with one end extending to the left side of the inner wall of the box body and clamped with the box cover component is arranged on the left side of the inner wall of the box body, a containing component positioned below the clamping component is arranged between the left side and the right side of the inner wall of the box body, the corneal topographer body is arranged at the top of the containing component, the inner bottom wall of the box body is provided with two fixed vertical plates which are symmetrically distributed in a left-right manner, a fixed transverse plate with one end fixedly connected with the top of the right fixed vertical plate is arranged at the top of the left side of the fixed vertical plate, and a driving component with one end extending to the top of the transverse plate is arranged between the two fixed vertical plates, the driving assembly is connected with the bottom of the fixed transverse plate and connected with the containing assembly, the driving assembly is connected with the inner bottom wall of the box body, and the top of the fixed transverse plate is provided with a buffering assembly fixedly connected with the bottom of the containing assembly.

Preferably, the case lid subassembly includes the apron, the left side of connecting the hinge is rotated and is connected with the apron with the laminating of box top, the top of box is the design of opening form, the left side fixedly connected with of apron is located the left joint board of box.

Preferably, the joint subassembly includes the installation sleeve, the inner wall left side swing joint of box has one end to extend to its left installation sleeve, sliding connection has the sliding plate between telescopic interior diapire of installation and the interior roof, the first compression spring of fixedly connected with between the right side of sliding plate and the telescopic inner wall of installation, the left side fixedly connected with one end of sliding plate extend to the telescopic left side of installation and with the joint pole of joint board right side joint, the bottom fixedly connected with of joint pole is located the catch plate between joint board and the installation sleeve.

Preferably, the storage assembly comprises a storage plate, the storage plate below the installation sleeve is slidably connected between the left side and the right side of the inner wall of the box body, the corneal topography instrument body is fixedly connected to the top of the storage plate, the inclined plates below the storage plate are fixedly connected to the left side and the right side of the inner wall of the box body, the support rods are slidably connected to the left side and the right side of the bottom of the storage plate, the support rods are fixedly connected to the bottom of the support rods, the rollers are slidably connected to the tops of the two inclined plates respectively, the outer portions of the support rods are slidably connected to the circular rings, and the opposite sides of the circular rings are fixedly connected to the connecting rods.

Preferably, drive assembly includes servo motor, the bottom fixedly connected with servo motor of fixed diaphragm, servo motor's the first gear of output shaft department fixedly connected with, two rotate between the fixed riser and be connected with the threaded rod that is located the servo motor below, the outside of threaded rod is provided with two sections opposite direction's screw thread, and two sections screw thread length equals, the outside fixedly connected with of threaded rod and first gear engagement's second gear, the outside threaded connection of threaded rod has the flightplate that is located the second gear left and right sides, two the flightplate all with the interior diapire sliding connection of box, two the top of flightplate all extends to the top of fixed diaphragm, two the opposite side of connecting rod respectively with the opposite side fixed connection of two flightplates mutually, the connecting rod is located the top of fixed diaphragm.

Preferably, the buffering assembly comprises a telescopic rod, the top of the fixed transverse plate is fixedly connected with the telescopic rod fixedly connected with the bottom of the containing plate, and the fixed transverse plate and the containing plate are fixedly connected with a second compression spring sleeved outside the telescopic rod.

(III) advantageous effects

Compared with the prior art, the utility model provides a portable cornea topographer, which has the following beneficial effects:

the portable cornea topographic map instrument is provided with the servo motor, the servo motor is started to drive the first gear to rotate through the output shaft, the second gear and the threaded rod are driven to rotate by the rotation of the first gear, so that the left threaded plate and the right threaded plate move back to back, and the connecting rod drives the two support rods to move back to back, so that the accommodating plate drives the corneal topography instrument body to move downwards to the interior of the box body, the push plate is pushed at the moment to enable the first compression spring to be in a compressed state, then the cover plate is covered, and finally the push plate is loosened, so that the first compression spring is reset to drive the clamping connecting rod to be clamped with the clamping connecting plate, thereby realizing the storage and placement of the corneal topographer body, facilitating the carrying of the corneal topographer body, and the box body plays a certain role in protecting the corneal topographer body, thereby prolonging the service life of the cornea topographic map instrument body and greatly improving the practicability of the device.

Drawings

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

FIG. 2 is an enlarged view of the point A in FIG. 1.

In the figure: the box body, 2 connect the hinge, 3 case lid subassemblies, 31 apron, 32 joint board, 4 joint subassemblies, 41 installation sleeves, 42 sliding plates, 43 first compression spring, 44 joint pole, 45 pushing plates, 5 take in the subassembly, 51 take in the board, 52 swash plates, 53 bracing piece, 54 gyro wheel, 55 rings, 56 connecting rods, 6 cornea relief map appearance body, 7 fixed riser, 8 fixed diaphragm, 9 drive assembly, 91 servo motor, 92 first gear, 93 threaded rod, 94 second gear, 95 threaded plate, 10 buffer module, 101 telescopic link, 102 second compression spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-2, a portable corneal topography instrument, comprising a box body 1 and a corneal topography instrument body 6, wherein the corneal topography instrument body 6 is located inside the box body 1, a connecting hinge 2 is fixedly connected to the top of the right side of the box body 1, a box cover component 3 attached to the top of the box body 1 is rotatably connected to the left side of the connecting hinge 2, the box cover component 3 comprises a cover plate 31, a cover plate 31 attached to the top of the box body 1 is rotatably connected to the left side of the connecting hinge 2, the top of the box body 1 is in an open design, and a clamping plate 32 located on the left side of the box body 1 is fixedly connected to the left side of the cover plate 31.

Inner wall left side swing joint of box 1 has joint subassembly 4 that one end extends to its left side and with case lid subassembly 3 joint, joint subassembly 4 includes installation sleeve 41, inner wall left side swing joint of box 1 has one end to extend to its left installation sleeve 41, sliding connection has sliding plate 42 between installation sleeve 41's the interior diapire and the interior roof, the first compression spring 43 of fixedly connected with between sliding plate 42's the right side and installation sleeve 41's the inner wall, sliding plate 42's left side fixedly connected with one end extend to installation sleeve 41 the left side and with the joint pole 44 of joint board 32 right side joint, the bottom fixedly connected with of joint pole 44 is located the slurcam 45 between joint board 32 and the installation sleeve 41.

Swing joint has the storage assembly 5 that is located joint subassembly 4 below between the inner wall left and right sides of box 1, 6 fixed connection of cornea topographic map appearance body are at the top of storage assembly 5, storage assembly 5 includes storage plate 51, sliding connection has the storage plate 51 that is located the installation sleeve 41 below between the inner wall left and right sides of box 1, 6 fixed connection of cornea topographic map appearance body are at the top of storage plate 51, the equal fixedly connected with in inner wall left and right sides of box 1 is located the swash plate 52 of storage plate 51 below, the equal sliding connection in bottom left and right sides of storage plate 51 has bracing piece 53, the equal fixedly connected with in bottom of two bracing pieces 53 respectively with two swash plate 52 top sliding connection's gyro wheel 54, the equal sliding connection in outside of two bracing pieces 53 has ring 55, the equal fixedly connected with connecting rod 56 in opposite side of two ring 55.

The inner bottom wall of the box body 1 is fixedly provided with two fixed vertical plates 7 which are distributed in bilateral symmetry, the top of the left fixed vertical plate 7 is fixedly connected with a fixed transverse plate 8, one end of the fixed transverse plate is fixedly connected with the top of the right fixed vertical plate 7, a driving component 9, one end of which extends to the top of the fixed transverse plate 8, is rotatably connected between the two fixed vertical plates 7, the driving component 9 is fixedly connected with the bottom of the fixed transverse plate 8, the driving component 9 is fixedly connected with a containing component 5, the driving component 9 is slidably connected with the inner bottom wall of the box body 1, the driving component 9 comprises a servo motor 91, the bottom of the fixed transverse plate 8 is fixedly connected with a servo motor 91, an output shaft of the servo motor 91 is fixedly connected with a first gear 92, a threaded rod 93 positioned below the servo motor 91 is rotatably connected between the two fixed vertical plates 7, and two sections of threads with opposite directions are arranged outside the threaded rod 93, two sections of screw thread length equals, the outside fixedly connected with of threaded rod 93 and the second gear 94 of first gear 92 meshing, the outside threaded connection of threaded rod 93 has the screw plate 95 that is located the second gear 94 left and right sides, two screw plates 95 all with the interior diapire sliding connection of box 1, the top of two screw plates 95 all extends to the top of fixed diaphragm 8, the opposite side of two connecting rods 56 respectively with the opposite side fixed connection of two screw plates 95, connecting rod 56 is located the top of fixed diaphragm 8.

The top of the fixed transverse plate 8 is fixedly connected with a buffer component 10 fixedly connected with the bottom of the containing component 5, the buffer component 10 comprises a telescopic rod 101, the top of the fixed transverse plate 8 is fixedly connected with the telescopic rod 101 fixedly connected with the bottom of the containing plate 51, a second compression spring 102 sleeved outside the telescopic rod 101 is fixedly connected between the fixed transverse plate 8 and the containing plate 51, by arranging a servo motor 91, the servo motor 91 is started to drive a first gear 92 to rotate through an output shaft, the first gear 92 rotates to drive a second gear 94 and a threaded rod 93 to rotate, so that a left threaded plate 95 and a right threaded plate 95 move back to back, at the moment, the connecting rod 56 drives two supporting rods 53 to move back to back, so that the containing plate 51 drives the corneal topography instrument body 6 to move down to the inside of the box body 1, at the moment, the push plate 45 is pushed to enable the first compression spring 43 to be in a compressed state, then the upper cover plate 31 is covered, and finally the push plate 45 is loosened, make first compression spring 43 reset and drive joint pole 44 and joint board 32 joint to realized accomodating the corneal topography appearance body 6 and placed, made things convenient for carrying of corneal topography appearance body 6, box 1 plays certain guard action to corneal topography appearance body 6 moreover, and then has increased the life of corneal topography appearance body 6, very big improvement device's practicality.

In summary, the portable corneal topography instrument has the advantages that by arranging the servo motor 91, the servo motor 91 is started to drive the first gear 92 to rotate through the output shaft, the first gear 92 rotates to drive the second gear 94 and the threaded rod 93 to rotate, so that the left threaded plate 95 and the right threaded plate 95 move back to back, at the same time, the connecting rod 56 drives the two supporting rods 53 to move back to back, so that the accommodating plate 51 drives the corneal topography instrument body 6 to move down to the inside of the box body 1, at the same time, the push plate 45 is pushed to enable the first compression spring 43 to be in a compressed state, then the cover plate 31 is covered, and finally the push plate 45 is loosened, so that the first compression spring 43 is reset to drive the clamping rod 44 to be clamped with the clamping plate 32, thereby the accommodating and placing of the corneal topography instrument body 6 are realized, the carrying of the corneal topography instrument body 6 is facilitated, and the box body 1 plays a certain protection role in protecting the corneal topography instrument body 6, and then increased the life of cornea topographic map appearance body 6, very big improvement device's practicality has solved the whole volume of current cornea topographic map appearance great, and inconvenient people carry, and when not using, the cornea topographic map appearance exposes outside moreover, receives external collision very easily and damages, not only can not play certain guard action, reduces the life of cornea topographic map appearance moreover, the relatively poor problem of practicality.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portable cornea relief map appearance, includes box (1) and cornea relief map appearance body (6), its characterized in that: cornea topographic map appearance body (6) are located the inside of box (1), the right side top of box (1) is provided with connects hinge (2), the left side of connecting hinge (2) is provided with case lid subassembly (3) with box (1) top laminating, characterized in that: the cornea topography instrument comprises a box body (1), a clamping component (4) with one end extending to the left side of the inner wall of the box body (1) and clamped with a box cover component (3), a containing component (5) positioned below the clamping component (4) is arranged between the left side and the right side of the inner wall of the box body (1), a cornea topography instrument body (6) is arranged at the top of the containing component (5), fixed vertical plates (7) which are distributed in bilateral symmetry are arranged on the inner bottom wall of the box body (1), a fixed transverse plate (8) with one end fixedly connected with the top of the right fixed vertical plate (7) is arranged at the top of the left side of the fixed vertical plate (7), a driving component (9) with one end extending to the top of the fixed transverse plate (8) is arranged between the two fixed vertical plates (7), the driving component (9) is connected with the bottom of the fixed transverse plate (8), and the driving component (9) is connected with the containing component (5), the driving assembly (9) is connected with the inner bottom wall of the box body (1), and the top of the fixed transverse plate (8) is provided with a buffer assembly (10) fixedly connected with the bottom of the storage assembly (5).

2. A portable corneal topographer according to claim 1, wherein: case lid subassembly (3) are including apron (31), the left side of connecting hinge (2) is rotated and is connected with apron (31) with box (1) top laminating, the top of box (1) is the design of opening form, the left side fixedly connected with of apron (31) is located left joint board (32) of box (1).

3. A portable corneal topographer according to claim 2, wherein: clamping subassembly (4) are including installation sleeve (41), the inner wall left side swing joint of box (1) has one end to extend to its left installation sleeve (41), sliding connection has sliding plate (42) between the interior diapire of installation sleeve (41) and the interior roof, fixedly connected with first compression spring (43) between the right side of sliding plate (42) and the inner wall of installation sleeve (41), the left side fixedly connected with one end of sliding plate (42) extend to the left side of installation sleeve (41) and with joint pole (44) of joint board (32) right side joint, the bottom fixedly connected with of joint pole (44) is located catch plate (32) and catch plate (45) between installation sleeve (41).

4. A portable corneal topographer according to claim 3, wherein: accomodate subassembly (5) including accomodate board (51), sliding connection has the accomodate board (51) that is located installation sleeve (41) below between the inner wall left and right sides of box (1), cornea topographic map appearance body (6) fixed connection is at the top of accomodate board (51), the equal fixedly connected with in the inner wall left and right sides of box (1) has swash plate (52) that is located accomodate board (51) below, the equal sliding connection in the bottom left and right sides of accomodate board (51) has bracing piece (53), two the equal fixedly connected with in bottom of bracing piece (53) respectively with two swash plate (52) top sliding connection's gyro wheel (54), two the equal sliding connection in outside of bracing piece (53) has ring (55), two the equal fixedly connected with connecting rod (56) of opposite side of ring (55).

5. A portable corneal topographer according to claim 4, wherein: the driving assembly (9) comprises a servo motor (91), the bottom of the fixed transverse plate (8) is fixedly connected with the servo motor (91), an output shaft of the servo motor (91) is fixedly connected with a first gear (92), two fixing vertical plates (7) are rotatably connected with a threaded rod (93) located below the servo motor (91), two threads with opposite directions are arranged outside the threaded rod (93), the lengths of the two threads are equal, the outside of the threaded rod (93) is fixedly connected with a second gear (94) meshed with the first gear (92), the outside of the threaded rod (93) is in threaded connection with threaded plates (95) located on the left side and the right side of the second gear (94), the two threaded plates (95) are both in sliding connection with the inner bottom wall of the box body (1), the tops of the two threaded plates (95) are both extended to the top of the fixed transverse plate (8), the opposite sides of the two connecting rods (56) are respectively fixedly connected with the opposite sides of the two thread plates (95), and the connecting rods (56) are positioned above the fixed transverse plate (8).

6. A portable corneal topographer according to claim 5, wherein: buffering subassembly (10) include telescopic link (101), the top fixedly connected with of fixed diaphragm (8) and storage plate (51) bottom fixed connection's telescopic link (101), fixedly connected with cover is at outside second compression spring (102) of telescopic link (101) between fixed diaphragm (8) and storage plate (51).