CN219229841U

CN219229841U - Slit lamp convenient to adjust

Info

Publication number: CN219229841U
Application number: CN202223085246.2U
Authority: CN
Inventors: 唐静; 袁小波; 阳帆
Original assignee: Hunan Institute of Traffic Engineering
Current assignee: Hunan Institute of Traffic Engineering
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-06-23
Anticipated expiration: 2032-11-17

Abstract

The utility model discloses a slit lamp convenient to adjust, which belongs to the technical field of slit lamps and comprises a base, wherein an electric hydraulic push rod and a supporting shell are fixedly connected to the top of the base, a supporting plate is fixedly connected to the top of the electric hydraulic push rod, a movable shaft is movably connected to the top of the supporting plate, and a rotary cylinder is movably sleeved on the surface of the movable shaft. The double-shaft motor and telescopic assembly has the beneficial effects that the double-shaft motor and telescopic assembly are arranged, the double-shaft motor is used for driving the two first bevel gears to rotate respectively, the two first bevel gears are used for driving the two second bevel gears respectively, the two second bevel gears are used for driving the positive threaded column and the reverse threaded column to rotate respectively through the two second rotating shafts, the two threaded cylinders are used for moving on the surfaces of the positive threaded column and the reverse threaded column respectively, the two threaded cylinders are used for driving the same chin rest to ascend or descend respectively through the two connecting blocks, and the chin rest can be conveniently adjusted to a proper height according to the needs of different patients.

Description

Slit lamp convenient to adjust

Technical Field

The utility model relates to the technical field of slit lamps, in particular to a slit lamp convenient to adjust.

Background

The slit lamp is fully called as a slit lamp microscope, if an accessory is matched, the inspection range of the slit lamp is wider, so that the slit lamp is not only an important device for an ophthalmologist to inspect, but also a necessary instrument for an optometrist to grasp, the slit lamp microscope consists of an illumination system and a binocular microscope, so that superficial lesions can be observed clearly, the focal point and the light source width can be adjusted, an optical section can be made to enable lesions of deep tissues to be clearly shown, when a mirror reflection irradiation method is used, fine changes of front and rear of a cornea and front and rear of a crystal, such as patterns of a tear film, patterns of cornea endothelium, patterns of front and rear of a crystal and patterns of an adult nucleus, but the conventional slit lamp is manually adjusted, so that the conventional slit lamp is inconvenient in adjustment operation, and cannot be better used for ophthalmic inspection of different patients, and the flexibility of the slit lamp is reduced.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects in the prior art, the utility model aims to provide a slit lamp convenient to adjust, which has the characteristic of convenient adjustment operation.

(2) Technical proposal

In order to achieve the above object, the utility model provides a slit lamp convenient to adjust, which comprises a base, wherein the top of the base is fixedly connected with an electric hydraulic push rod and a supporting shell, the top of the electric hydraulic push rod is fixedly connected with a supporting plate, the top of the supporting plate is movably connected with a movable shaft, the surface of the movable shaft is movably sleeved with a rotary cylinder, the surface of the rotary cylinder is fixedly connected with a connecting bent rod, the top of the connecting bent rod is provided with an eyepiece, the top of the movable shaft is fixedly connected with a rotary plate, the top of the rotary plate is provided with slit lamps and reflecting mirrors, the number of the supporting shells is two, the top of the two supporting shells is fixedly connected with the same fixed shell, the inner wall of the fixed shell is fixedly connected with a double-shaft motor, two output shafts of the double-shaft motor are fixedly connected with first rotary shafts, one ends of the two first rotary shafts are fixedly connected with first conical gears, the two opposite inner walls of the supporting shells are respectively provided with a second round hole, the interiors of the four second round holes are respectively provided with a second bearing, the interiors of the four second bearings are respectively provided with a second rotating shaft in a penetrating way, the opposite ends of each two second rotating shafts are fixedly connected with a same positive thread column and a same reverse thread column, one end of each second rotating shaft is respectively fixedly connected with a second bevel gear, the first bevel gear is meshed with the second bevel gear, the surfaces of the positive thread column and the reverse thread column are respectively connected with a thread cylinder, the surfaces of the two thread cylinders are respectively fixedly connected with a connecting block, the opposite surfaces of the two supporting shells are respectively provided with a rectangular through hole, the two connecting blocks respectively penetrate through the two rectangular through holes and are fixedly connected with a same lower jaw support, the bottom of the fixing shell is fixedly connected with a telescopic component, the bottom end of the telescopic component is fixedly connected with an upper jaw support.

When the slit lamp convenient to adjust of this technical scheme is used, drive the backup pad through two electric hydraulic push rods and rise or descend, be convenient for adjust the control to the height of eyepiece, and through the surface activity of rotary drum at the loose axle, be convenient for adjust the direction of eyepiece, and be convenient for carry out rotatory regulation to the reflector through rotating the revolving plate, easier operation when examining patient's eye, and drive two first bevel gears rotation respectively through biax motor, make two first bevel gears drive two second bevel gears respectively, make two second bevel gears drive positive screw thread post and reverse screw thread post rotation through two second pivots respectively, make two screw thread barrels drive the surface activity at positive screw thread post and reverse screw thread post respectively, make two screw thread barrels drive same lower jaw support through two connecting blocks respectively and rise or descend, be convenient for with lower jaw support adjust to suitable height according to different patient's needs, easy operation is convenient, and under the elasticity effect through flexible subassembly, make upper jaw support and patient's upper jaw contact, be convenient for carry out the facial position of examining patient's eye.

Further, the number of the electro-hydraulic push rods is two, and the two electro-hydraulic push rods are synchronous electro-hydraulic push rods.

Further, the same fixed plate is fixedly connected to the opposite inner walls of the fixed shell, the number of the fixed plates is two, first round holes are formed in the opposite faces of the fixed plates, first bearings are arranged in the two first round holes, and the two first rotating shafts are movably connected to the inner portions of the two first bearings respectively.

Further, a first elastic pad is arranged at the top of the lower jaw support, and a second elastic pad is arranged at the bottom of the upper jaw support.

Further, the telescopic assembly comprises a telescopic rod, a spring is movably sleeved on the surface of the telescopic rod, one ends of the telescopic rod and the spring are fixedly connected to the fixed shell, and the other ends of the telescopic rod and the spring are fixedly connected to the upper jaw support.

Further, a control switch is arranged at the top of the base, and a rubber pad is arranged at the bottom of the base.

(3) Advantageous effects

In summary, the utility model has the following beneficial effects:

1. according to the slit lamp convenient to adjust, the electric hydraulic push rod, the rotary drum and the rotary plate are arranged, the supporting plate is driven to ascend or descend through the two electric hydraulic push rods, the height of the ocular is convenient to adjust and control, the rotary drum moves on the surface of the movable shaft, the direction of the ocular is convenient to adjust, the rotary plate is convenient to rotate and adjust the reflecting mirror, and the operation is easier when the eyes of a patient are inspected;

2. this slit lamp of convenient regulation, through setting up biax motor and flexible subassembly, and drive two first bevel gears through biax motor respectively and rotate, make two first bevel gears drive two second bevel gears respectively, make two second bevel gears drive positive screw thread post and reverse screw thread post rotation through two second pivots respectively, make two screw thread barrels respectively at the surface activity of positive screw thread post and reverse screw thread post, make two screw thread barrels drive same chin support through two connecting blocks respectively and rise or descend, be convenient for according to the needs of different patients with the chin support adjust suitable height, easy operation is convenient, and under the elasticity effect through flexible subassembly, make the chin support contact with the upper jaw of patient, be convenient for fix the face position of patient, be convenient for carry out the eye inspection to the patient.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the description of the embodiments or the prior art will be briefly described, and it is apparent that the drawings in the following description are only one embodiment of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of a connecting structure of a three-dimensional cross section of a support shell according to the present utility model;

FIG. 3 is an enlarged perspective view of the portion A of FIG. 2 according to the present utility model;

fig. 4 is an enlarged schematic view of the telescopic assembly according to the present utility model.

The marks in the drawings are:

1. a base; 2. an electro-hydraulic push rod; 3. a support plate; 4. a rotary drum; 5. connecting a bent rod; 6. an eyepiece; 7. a rotating plate; 8. a reflective mirror; 9. a support case; 10. a fixed case; 11. a biaxial motor; 12. a first rotating shaft; 13. a fixing plate; 14. a first bevel gear; 15. a second rotating shaft; 16. a second bevel gear; 17. a positive threaded column; 18. a reverse threaded post; 19. a thread cylinder; 20. a connecting block; 21. a chin rest; 22. a first elastic pad; 23. a telescoping assembly; 231. a telescopic rod; 232. a spring; 24. a jaw support; 25. a second elastic pad; 26. and controlling the switch.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model easy to understand, the technical solutions in the embodiments of the present utility model are clearly and completely described below to further illustrate the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all versions.

Examples:

the utility model is described in further detail below with reference to fig. 1-4.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a slit lamp convenient to adjust, the on-line screen storage device comprises a base 1, electric hydraulic push rod 2 and supporting shell 9 are fixedly connected to the top of base 1, backup pad 3 is fixedly connected to the top of electric hydraulic push rod 2, movable shaft is movably connected to the top of backup pad 3, and rotary drum 4 is sleeved on the surface activity of movable shaft, connecting bent rod 5 is fixedly connected to the surface of rotary drum 4, eyepiece 6 is provided on the top of connecting bent rod 5, and the top fixedly connected with revolving plate 7 of movable shaft, slit lamp and reflector 8 are provided on the top of revolving plate 7, the quantity of supporting shell 9 is two, the top fixedly connected with same fixed shell 10 of two supporting shells 9, biaxial motor 11 is fixedly connected to the inner wall of fixed shell 10, first pivot 12 is fixedly connected to two output shafts of biaxial motor 11, first conical gear 14 is fixedly connected to one end of two first pivot 12, second round holes are formed in the opposite inner walls of the two supporting shells 9, second bearings are arranged in the four second round holes, second rotating shafts 15 are arranged in the four second bearings in a penetrating mode, the opposite ends of each second rotating shaft 15 are fixedly connected with a same positive thread column 17 and a same reverse thread column 18, one end of each second rotating shaft 15 is fixedly connected with a second bevel gear 16, the first bevel gear 14 is meshed with the second bevel gear 16, the surfaces of the positive thread column 17 and the reverse thread column 18 are in threaded connection with thread cylinders 19, connecting blocks 20 are fixedly connected to the surfaces of the two thread cylinders 19, rectangular through holes are formed in the opposite surfaces of the two supporting shells 9, the two connecting blocks 20 respectively penetrate through the two rectangular through holes and are fixedly connected with a same lower jaw support 21, the bottom of the fixing shell 10 is fixedly connected with a telescopic assembly 23, the bottom end of the telescopic assembly 23 is fixedly connected with an upper jaw support 24, through setting up electric hydraulic push rod 2, rotary drum 4 and revolving plate 7, drive backup pad 3 through two electric hydraulic push rods 2 and rise or descend, be convenient for adjust the control to the height of eyepiece 6, and through the surface activity of rotary drum 4 at the loose axle, be convenient for adjust the direction of eyepiece 6, and be convenient for carry out rotatory regulation to reflector 8 through rotating revolving plate 7, easier operation when examining patient's eye, through setting up biax motor 11 and telescopic subassembly 23, and drive two first conical gear 14 rotation respectively through biax motor 11, make two first conical gear 14 drive two second conical gear 16 respectively, make two second conical gear 16 drive positive screw thread post 17 and reverse screw thread post 18 rotation through two second pivot 15 respectively, make two screw thread barrels 19 respectively at the surface activity of positive screw thread post 17 and reverse screw thread post 18, make two screw thread barrels 19 drive same lower jaw support 21 through two connecting blocks 20 respectively rise or descend, be convenient for support 21 to suitable height according to the needs of different patients, and operate simple operation is convenient for carry out the user's jaw support 24 through the effect of telescopic subassembly, make the patient's of convenient for carry out the eye contact with the patient's upper jaw, and the patient is convenient for carry out the position is convenient for examining patient.

Specifically, the number of the electro-hydraulic push rods 2 is two, and the two electro-hydraulic push rods 2 are synchronous electro-hydraulic push rods.

Specifically, the same fixed plate 13 is fixedly connected to the opposite inner walls of the fixed shell 10, the number of the fixed plates 13 is two, first round holes are formed in the opposite faces of the two fixed plates 13, first bearings are arranged in the two first round holes, and the two first rotating shafts 12 are respectively and movably connected to the inner portions of the two first bearings.

By adopting the above technical scheme, the first rotating shaft 12 is more stable in rotation through the internal movement of the first rotating shaft 12 in the first bearing.

Specifically, the top of the chin rest 21 is provided with a first elastic pad 22, and the bottom of the upper jaw rest 24 is provided with a second elastic pad 25.

By adopting the above technical scheme, the comfort of the device in use is improved through the first elastic pad 22 and the second elastic pad 25.

Specifically, the telescopic assembly 23 includes a telescopic rod 231, a spring 232 is movably sleeved on the surface of the telescopic rod 231, one ends of the telescopic rod 231 and the spring 232 are fixedly connected to the fixed shell 10, and the other ends of the telescopic rod 231 and the spring 232 are fixedly connected to the upper jaw support 24.

By adopting the above technical scheme, the function of telescopic elastic force is achieved through the telescopic component 23.

Specifically, the top of base 1 is provided with control switch 26, and the bottom of base 1 is provided with the rubber pad.

Through adopting above-mentioned technical scheme, increase the frictional force between base 1 and the desktop through the rubber pad, make equipment more stable when placing.

The working principle of the utility model is as follows:

when the utility model is used, an external power supply is connected, the lower jaw of a patient is placed on the lower jaw support 21, the double-shaft motor 11 is started through the control switch 26, the double-shaft motor 11 respectively drives the two first bevel gears 14 to rotate, the two first bevel gears 14 respectively drive the two second bevel gears 16, the two second bevel gears 16 respectively drive the front threaded column 17 and the back threaded column 18 to rotate through the two second rotating shafts 15, the two threaded cylinders 19 respectively move on the surfaces of the front threaded column 17 and the back threaded column 18, the two threaded cylinders 19 respectively drive the same lower jaw support 21 to rise through the two connecting blocks 20, the lower jaw support 21 of the patient is lifted to a proper height, the upper jaw of the patient is contacted with the upper jaw support 24, the upper jaw of the patient is fixed through the elastic force of the upper jaw support 24, according to the examination requirement, the two electric hydraulic push rods 2 are started through the control switch 26, the two electric hydraulic push rods 2 drive the supporting plates 3 to rise or fall to adjust the ocular lens 6 to a proper height, and the ocular lens 6 can rotate on the surface of the rotary table 7 in the proper direction of the ocular lens through the rotary table 4, namely, the ocular lens can be adjusted to the proper position through the rotary table 8 of the ocular lens can be adjusted.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. The utility model provides a slit lamp of convenient regulation, includes base (1), its characterized in that: the utility model discloses a base, including base (1) and support shell (9), the top fixedly connected with electric hydraulic push rod (2) and support shell (9), the top fixedly connected with backup pad (3) of electric hydraulic push rod (2), the top swing joint of backup pad (3) has the loose axle, and the surface activity of loose axle has cup jointed rotary drum (4), the fixed surface of rotary drum (4) is connected with bent rod (5), the top of connecting bent rod (5) is provided with eyepiece (6), and the top fixedly connected with revolving plate (7) of loose axle, the top of revolving plate (7) is provided with split lamp and reflector (8), the quantity of support shell (9) is two, the top fixedly connected with same fixed shell (10) of two support shells (9), fixedly connected with biax motor (11) on the inner wall of fixed shell (10), two equal fixedly connected with first pivot (12) on the two output shafts of biax motor (11), two the one end of first pivot (12) all fixedly connected with first conical gear (14), two support shell (9) are provided with split lamp and reflector (8) are equipped with two, two equal opposite screw thread (15) are all set up on the inner diameter of two opposite screw thread(s) respectively, two equal round hole (15) are equipped with inside the same round hole (15), two equal fixedly connected with second bevel gear (16) of one end of second pivot (15), first bevel gear (14) meshes with second bevel gear (16), the equal threaded connection in surface of positive screw thread post (17) and reverse screw thread post (18) has screw thread section of thick bamboo (19), two equal fixedly connected with connecting block (20) in surface of screw thread section of thick bamboo (19), two rectangular through-hole has all been seted up on the opposite face of supporting shell (9), two connecting block (20) pass two rectangular through-holes fixedly connected with same lower jaw respectively and hold in the palm (21), the bottom fixedly connected with expansion assembly (23) of fixed shell (10), the bottom fixedly connected with upper jaw of expansion assembly (23) holds in the palm (24).

2. The slit lamp of claim 1, wherein the slit lamp is adjustable: the number of the electro-hydraulic push rods (2) is two, and the two electro-hydraulic push rods (2) are synchronous electro-hydraulic push rods.

3. The slit lamp of claim 1, wherein the slit lamp is adjustable: the fixed shell is characterized in that the same fixing plate (13) is fixedly connected to the opposite inner walls of the fixed shell (10), the number of the fixing plates (13) is two, first round holes are formed in the opposite faces of the fixing plates (13), first bearings are arranged in the two first round holes, and the two first rotating shafts (12) are movably connected to the inner parts of the two first bearings respectively.

4. The slit lamp of claim 1, wherein the slit lamp is adjustable: the top of the lower jaw support (21) is provided with a first elastic pad (22), and the bottom of the upper jaw support (24) is provided with a second elastic pad (25).

5. The slit lamp of claim 1, wherein the slit lamp is adjustable: the telescopic component (23) comprises a telescopic rod (231), a spring (232) is movably sleeved on the surface of the telescopic rod (231), one ends of the telescopic rod (231) and the spring (232) are fixedly connected to the fixed shell (10), and the other ends of the telescopic rod (231) and the spring (232) are fixedly connected to the upper jaw support (24).

6. The slit lamp of claim 1, wherein the slit lamp is adjustable: the top of base (1) is provided with control switch (26), the bottom of base (1) is provided with the rubber pad.