Eye vision light instrument for visual survey

Abstract

The utility model discloses an eye vision light instrument for visual survey. The eye vision light instrument comprises an instrument box, a lifting mechanism, a seat, a fixing mechanism and a sliding mechanism, a lifting mechanism is arranged below the instrument box, and a seat is arranged in front of the instrument box; the top of the seat is provided with a fixing mechanism, and the bottom is provided with a sliding mechanism; the fixing mechanism comprises a hydraulic motor, a fixed rod, a movable rod, a shaft sleeve, a power rod, a head sleeve and a face clamp, the hydraulic motor is arranged at the top of the seat, the rear end of the hydraulic motor is connected with the fixed rod, and the front end is connected with the movable rod; shaft sleeves are symmetrically arranged on two sides of the movable rod, power rod connecting fixing rods are arranged above the shaft sleeves, power rod connecting head sleeves are arranged below the shaft sleeves, head sleeves are slidably connected to two sides of the front end of each fixing rod, and face clamps are movably connected to two sides of each head sleeve. The sliding mechanism comprises a sliding motor, sliding rails, a sliding rail seat and a lead screw, the sliding rails are arranged on the two sides of the sliding rail seat, and the sliding motor is arranged in the middle of the sliding rail seat; a lead screw is arranged at the front end of the sliding motor and is in sliding connection with the seat.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of eye vision instrument, concretely relates to an eye vision instrument for visual census. BACKGROUND

[0002] Vision is a physiological term, light acts on the visual organ, and its sensory cell is excited, and the information is processed through the visual nervous system to produce vision. Through vision, people and animals perceive the size, light and dark, color, motion and stillness of external objects, and obtain various information of great significance to the survival of the organism, at least more than 80% of external information is obtained through vision, and vision is the most important sense of people and animals.

[0003] The traditional eye vision detection instrument has the problems of head shaking of the patient due to nervousness during the examination, and the head shaking leads to errors in the examination results; and the device for fixing the head of the patient is in the examination instrument, which requires the patient to stretch the head forward to place the head on the instrument for examination, which is not convenient for the patient with physical inconvenience.

[0004] Therefore, it is necessary to design a device that can fix and examine the head of the patient in a sitting state. Utility model content

[0005] In order to solve the above problems, the utility model designs an eye vision instrument for visual census, designs a seat and a fixing mechanism in one, fixes the head of the patient when the patient sits, and sets a sliding mechanism under the seat; at the same time, a desktop lifting mechanism is designed, which can flexibly adjust the height of the device when the patient or the operator of different heights operates or examines;

[0006] In order to achieve the above technical effects, the utility model is realized by the following technical scheme: an eye vision instrument for visual census, comprising: an instrument box, a lifting mechanism, a seat, a fixing mechanism and a sliding mechanism;

[0007] The lifting mechanism is arranged below the instrument box, and the seat is arranged in front of the instrument box; the fixing mechanism is arranged on the top of the seat, and the sliding mechanism is arranged on the bottom of the seat;

[0008] The fixing mechanism comprises a hydraulic motor, a fixing rod, a movable rod, a shaft sleeve, a power rod, a head cover and a face clamp; the hydraulic motor is arranged on the top of the seat, the rear end of the hydraulic motor is connected with the fixing rod, and the front end is connected with the movable rod; the shaft sleeves are symmetrically arranged on the two sides of the movable rod, the power rod is connected with the fixing rod above the shaft sleeves, and the power rod is connected with the head cover below the shaft sleeves; the head cover is slidably connected with the face clamp on the two sides.

[0009] The sliding mechanism comprises a sliding motor, a sliding rail, a sliding rail seat, a screw rod, the sliding rail seat is provided with the sliding rail on both sides, and the sliding motor is arranged in the middle; the screw rod is arranged at the front end of the sliding motor and is connected with the seat in a sliding mode;

[0010] Further, the instrument box comprises an operation table, an illuminating lamp and the eye vision instrument, the operation table is arranged on the upper side of the instrument box, the illuminating lamp is arranged on the upper top surface in the instrument box, and the eye vision instrument is arranged in the middle;

[0011] Further, the contact surface of the head cover and the face clamp with the patient is provided with a rubber pad, and the face clamp is connected with the head cover through a torsion spring;

[0012] Further, the lifting mechanism comprises bevel gears one, bevel gears two, a lifting motor, support rods, a base sleeve, lifting rods, a gear seat and a base; the lifting rods are connected with the base sleeve in a sliding mode, the instrument box is arranged above the lifting rods, the base is connected with the base sleeve below, six base sleeves are symmetrically arranged on both sides of the base, threads are arranged on the two lifting rods in the middle, the gear seat is arranged on the side surface of the two lifting rods and connected with the two lifting rods, the bevel gears one are arranged at the two ends of the gear seat and connected with the support rods, the lifting motor is arranged at the front end of the support rods, the bevel gears two are arranged on the top of the two base sleeves, the two bevel gears are engaged, and the lifting rods are connected with the bevel gears two in a threaded mode.

[0013] The eye vision instrument has the advantages that:

[0014] The fixing mechanism is arranged above the seat, so that the patient can be fixed and examined on the seat, the discomfort of the patient is reduced, the sliding mechanism is arranged below the seat, the control of the medical staff is stronger, the distance between the patient and the eye vision instrument can be adjusted by directly controlling the sliding of the seat, and the patient does not need to move;

[0015] Meanwhile, the lifting mechanism is arranged below the instrument box, so that the height of the device can be flexibly adjusted when the patient or the medical staff of different heights operates or examines, and the relative positions between the components in the instrument box are not changed when the height of the device is adjusted. DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description.

[0017] Figure 1 It is a kind of eye vision instrument's overall structure schematic diagram for visual census;

[0018] Figure 2 It is a kind of eye vision instrument's front view for visual census;

[0019] Figure 3 It is a kind of instrument box side view of eye vision instrument for visual census;

[0020] Figure 4 is a sectional view of a lifting structure of an ophthalmic instrument for visual screening;

[0021] Figure 5 is a schematic view of a seat of an ophthalmic instrument for visual screening;

[0022] Figure 6 is a top view of a seat of an ophthalmic instrument for visual screening;

[0023] In the drawings, the components represented by the respective reference numerals are listed as follows:

[0024] 1 - instrument box, 101 - illuminating lamp, 102 - ophthalmic instrument, 103 - operation table, 2 - fixing mechanism, 201 - hydraulic motor, 202 - fixed rod, 203 - movable rod, 204 - shaft sleeve, 205 - power rod, 206 - head sleeve, 207 - face clamp, 208 - rubber pad, 3 - seat, 301 - sliding block, 4 - lifting mechanism, 401 - helical gear two, 402 - helical gear one, 403 - lifting motor, 404 - support rod, 405 - base, 406 - lifting rod, 407 - base sleeve, 408 - connecting sleeve, 409 - gear base, 5 - sliding mechanism, 501 - sliding motor, 502 - sliding rail, 503 - screw rod; DETAILED DESCRIPTION

[0025] The utility model discloses an eye visual instrument for visual census, include: instrument box 1, lifting mechanism 4, seat 3, fixed mechanism 2, sliding mechanism 5, the instrument box 1 below sets up lifting mechanism 4, and the instrument front sets up seat 3, and seat 3 top sets up fixed mechanism 2, and seat 3 bottom sets up sliding mechanism 5, lifting mechanism 4 includes bevel gear one 402, bevel gear two 401, lifting motor 403, support rod 404, base sleeve 407, lifting rod 406, gear seat 409, base 405, lifting rod 406 connects base sleeve 407, and lifting rod 406 above connects instrument box 1, and base sleeve 407 below connects base 405, and base 405 both sides symmetry sets up six base sleeves 407, and the middle two lifting rods 406 are set up screw threads, and two lifting rods 406 side sets up gear seat 409 connection, and gear seat 409 both ends set up bevel gear one 402 and connect support rod 404, and support rod 404 front end sets up lifting motor 403, and two lifting rods 406 bottom sets up bevel gear two 401, and two bevel gears engage, and lifting rod 406 inside and bevel gear two 401 screw connection, fixed mechanism 2 includes hydraulic motor 201, fixed rod 202, movable rod 203, shaft sleeve 204, power rod 205, head sleeve 206, face clamp 207, hydraulic motor 201 sets up at seat 3 top, and hydraulic motor 201 rear end connects fixed rod 202, and front end connects movable rod 203, and movable rod 203 both sides symmetry sets up shaft sleeve 204, and shaft sleeve 204 above sets up power rod 205 and connects fixed rod 202, and below sets up power rod 205 and connects head sleeve 206, and fixed rod 202 front end both sides set up hole, and movablely connects head sleeve 206, and head sleeve 206 both sides movablely connect link clamp, when examining the patient, the patient sits on the seat, and the fixed mechanism on the seat is fixed to the patient's head and face, and the patient can be fixed and examined on the seat, reduces the patient's discomfort, and through the lifting mechanism below the instrument box, the height of the flexible adjusting device can be adjusted when the patient or medical staff of different heights operates or examines, and the height of the adjusting device does not change the relative position between the internal components of the instrument box.

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; Obviously, the described embodiments only are a part of the embodiments of the utility model, and not all the embodiments.

[0027] Embodiment 1

[0028] As Figure 2 , 4As shown, the lifting mechanism 4 includes bevel gear one 402, bevel gear two 401, lifting motor 403, support rod 404, base sleeve 407, lifting rod 406, gear seat 409, base 405; the lifting rod 406 is connected to the base sleeve 407, the lifting rod 406 is connected to the instrument box 1 above, the base sleeve 407 is connected to the base 405 below, six base sleeves 407 are symmetrically arranged on both sides of the base 405, two lifting rods 406 are arranged with threads in the middle, gear seats 409 are arranged on the sides of the two lifting rods 406 for connection, bevel gears one 402 are arranged at both ends of the gear seat 409 for connecting the support rod 404, the lifting motor 403 is arranged at the front end of the support rod 404, bevel gears two 401 are arranged at the bottom of the two lifting rods 406, the two bevel gears are engaged, and the lifting rod 406 is threadedly connected with the bevel gear two 401 inside;

[0029] In this embodiment, the lifting rod 406 and the base sleeve 407 in the lifting mechanism 4 are connected by a sleeve, the inside of the base sleeve 407 is hollow, and the lifting rods 406 on both sides are connected by a connecting sleeve 408;

[0030] In this embodiment, the working principle of the lifting mechanism is as follows: the lifting motor 403 is started to rotate the support rod 404, so that the bevel gears one 402 at both ends of the support rod 404 rotate, thereby rotating the bevel gears two 401 engaged therewith, and since the inside of the bevel gear two 401 is threadedly connected with the lifting rod 406, the bevel gear two 401 rotates to drive the lifting rod 406 to rotate and rise, and the bevel gear two 401 is fixed on the base sleeve below;

[0031] In this embodiment, the lifting mechanism allows flexible adjustment of the height of the instrument according to the needs of patients or operators of different heights, so as to adapt to different users. By adjusting the height, the comfort of the patient during the examination process is ensured, and head movement or posture tension caused by unsuitable height is reduced. The design of the lifting mechanism enables the ophthalmic instrument to adapt to a wider range of application scenarios and user groups, including patients with physical disabilities.

[0032] Embodiment 2

[0033] As shown in Figure 5 , 6 As shown, the fixing mechanism 2 includes hydraulic motor 201, fixed rod 202, movable rod 203, shaft sleeve 204, power rod 205, head sleeve 206, face clamp 207, the hydraulic motor 201 is arranged at the top of the seat 3, the rear end of the hydraulic motor 201 is connected to the fixed rod 202, and the front end is connected to the movable rod 203, the shaft sleeves 204 are symmetrically arranged on both sides of the movable rod 203, the power rods 205 are arranged above the shaft sleeves 204 to connect the fixed rod 202, the power rods 205 are arranged below the shaft sleeves 204 to connect the head sleeve 206, holes are arranged on both sides of the front end of the fixed rod 202, the head sleeve 206 is movably connected to the holes, and the face clamp 207 is movably connected to both sides of the head sleeve 206.

[0034] In this embodiment, the headgear 206 and the face clamp 207 of the fixing mechanism 2 are provided with rubber pads 208 on the surface in contact with the patient, and the face clamp 207 is rotatably connected to the headgear 206;

[0035] In this embodiment, the working principle of the fixing mechanism is as follows: the front-end hydraulic motor 201 is started, the movable rod 203 is driven to move forward and backward through the front-end telescopic belt of the hydraulic motor, the fixed rod is connected through the power rod 205 above the shaft sleeve 204, the headgear 206 is connected through the power rod 205 below the shaft sleeve 204, and the headgear 206 and the face clamp 207 are driven to slide left and right in the hole at the front end of the fixed rod 202 through the forward and backward movement of the hydraulic motor 201, so that the headgear can clamp and fix the head, and the face clamp is synchronously moved with the headgear, and when it touches the patient's face, it will be fixed due to the elastic effect of the torsional spring, thereby achieving the effect of fixing the patient's head and face.

[0036] In this embodiment, the fixing mechanism can effectively stabilize the patient's head, reduce head shaking caused by tension or discomfort, and improve the accuracy of the examination. It allows the patient to fix the head in a sitting position, which provides convenience for patients with physical disabilities, so they can perform the examination without stretching their heads forward.

[0037] Embodiment 3

[0038] As shown in Figure 5 , 6 The sliding mechanism 5 includes a sliding motor 501, a sliding rail 502, a sliding rail seat 504, and a lead screw 503. The sliding rail seat 504 is provided with sliding rails 502 on both sides and a lead screw 503 in the middle. The lead screw 503 is provided with a sliding motor 501 at the front end, and the lead screw 503 is threadedly connected with a sliding block 301.

[0039] In this embodiment, the working principle of the sliding mechanism is as follows: the sliding motor 501 is started, the lead screw is rotated by the sliding motor 501, and the sliding block 301 connected with the lead screw 503 is driven to slide on the sliding rail.

[0040] In this embodiment, the sliding mechanism allows medical personnel to accurately adjust the distance between the patient and the eye vision instrument, ensuring the proper position during the examination. Through the control of the sliding motor, the seat can be easily moved, and the patient's position can be quickly adjusted.

[0041] In summary, the utility model discloses the fixed mechanism 2 is set above seat 3, and the patient can be fixed and examined to head on seat 3 in sitting, and the discomfort degree of patient is reduced, and the sliding mechanism 5 is set below seat, and the control is stronger to medical staff, and the distance of patient and eye vision instrument can be adjusted directly by controlling seat sliding, and patient action is not needed again.

[0042] Meanwhile, the lifting mechanism 4 is arranged below the instrument box 1, so that the height of the device can be flexibly adjusted when patients or medical staff of different heights operate or examine, and the relative positions between the internal components of the instrument box are not changed.

[0043] The preferred embodiments disclosed above are only used to help describe the utility model, and the preferred embodiments do not describe all the details and limit the utility model to the specific embodiments.

Claims

1. An optometric instrument for visual census, characterized in that, include: Instrument case, lifting mechanism, seat, fixing mechanism, sliding mechanism; A lifting mechanism is provided below the instrument box, and a seat is provided in front of the instrument box; a fixing mechanism is provided on the top of the seat, and a sliding mechanism is provided at the bottom of the seat. The fixing mechanism includes a hydraulic motor, a fixed rod, a movable rod, bushings, a power rod, a head cover, and a face clip. The hydraulic motor is located on the top of the seat, with the rear end of the hydraulic motor connected to the fixed rod and the front end connected to the movable rod. Bushings are symmetrically arranged on both sides of the movable rod. A power rod is arranged above the bushings to connect to the fixed rod, and a power rod is arranged below the bushings to connect to the head cover. The front ends of the fixed rod are slidably connected to the head cover, and the face clips are movably connected to both sides of the head cover. The sliding mechanism includes: a sliding motor, a slide rail, a slide rail base, and a lead screw. The slide rail base is provided with slide rails on both sides and a sliding motor in the middle. The lead screw is provided at the front end of the sliding motor and is slidably connected to the seat.

2. The optometric instrument for visual census according to claim 1, characterized in that, The instrument case includes an operating table, a lighting lamp, and an ophthalmology instrument. The operating table is located on the upper side of the instrument case, the lighting lamp is located on the upper surface inside the instrument case, and the ophthalmology instrument is located in the middle.

3. An optometric instrument for visual census according to claim 1, characterized in that... The headgear and face clip are both equipped with rubber pads on the surfaces that come into contact with the patient, and the face clip and headgear are connected by a torsion spring.

4. An optometric instrument for visual census according to claim 1, characterized in that, The lifting mechanism includes a helical gear one, a helical gear two, a lifting motor, a support rod, a base sleeve, a lifting rod, a gear seat, and a base. The base sleeve is slidably connected to the lifting rod, the upper part of the lifting rod is connected to the instrument box, the lower part of the base sleeve is connected to the base, six base sleeves are symmetrically arranged on both sides of the base, the two middle lifting rods are threaded, the two lifting rods are connected to the sides of the two lifting rods by gear seats, the two ends of the gear seats are connected to the support rod by helical gear one, the front end of the support rod is connected to the lifting motor, the top of the two base sleeves is set with helical gear two, the two helical gears mesh, and the inside of the lifting rod is threadedly connected to helical gear two.

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