CN116138724A

CN116138724A - Ophthalmic inspection device

Info

Publication number: CN116138724A
Application number: CN202211732939.8A
Authority: CN
Inventors: 宫明晶; 滕友峰; 黄叶权
Original assignee: Shenzhen Shengda Tongze Technology Co ltd
Current assignee: Shenzhen Shengda Tongze Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-23
Anticipated expiration: 2042-12-30
Also published as: CN116138724B

Abstract

The invention discloses an ophthalmic examination device, which comprises a base, a jaw support module, two head fixing modules and a shooting module, wherein the jaw support module is arranged on the base and comprises a jaw support part movably arranged on the base along the up-down direction and used for supporting the lower jaw of a human body, the two head fixing modules are arranged on the base, each head fixing module comprises fixing arms oppositely arranged along the left-right direction, one end of each fixing arm is rotatably arranged along the axis of the up-down direction, the other end of each fixing arm forms a head supporting part, each fixing arm can also linearly move along the front-back direction and the left-right direction and is used for enabling the two head supporting parts to jointly clamp or loosen the head of the human body, and the shooting module is arranged on the base and in front of the head fixing module and used for shooting eyes.

Description

Ophthalmic inspection device

Technical Field

The invention relates to the technical field of ophthalmic equipment, in particular to an ophthalmic examination device.

Background

The ophthalmic inspection apparatus is an apparatus for inspecting human eyes, and is also updated and developed along with social development in order to prevent the generation of ophthalmic diseases as early as possible.

When the prior ophthalmic examination equipment is used for performing ophthalmic examination, an auxiliary support provided by the equipment is needed to assist in supporting the head of a testee to achieve better shooting quality, in the process, a doctor can remind the testee to put the head at a corresponding jaw support position, then manually or electrically adjust the required height of the jaw support, and then remind the testee to attach the head to the head support position.

Because most testees are in contact with the ophthalmic inspection equipment for the first time, the requirement on the use of the equipment is very unfamiliar, doctors are required to guide the testees to place the head in place, and the head placement accuracy of the testees can not be ensured from the perspective of the doctors, the existing ophthalmic inspection equipment can not assist the testees to fix the head in the correct position, so that the head movement or placement position of the testees is not correct during detection, and the final inspection effect is affected.

Disclosure of Invention

The invention aims to provide an ophthalmic examination device, which can assist the head of a testee to be fixed in a correct position.

To achieve the above object, an ophthalmic inspection apparatus according to the present invention includes:

a base;

the jaw support module is arranged on the base and comprises a jaw support part movably arranged on the base along the up-down direction and used for supporting the jaw of a human body;

the two head fixing modules are arranged on the base, each head fixing module comprises fixing arms which are oppositely arranged along the left-right direction, one end of each fixing arm is rotatably arranged along the axis in the up-down direction, the other end of each fixing arm forms a supporting head, and each fixing arm can also linearly move along the front-back direction and the left-right direction so as to enable the two supporting heads to jointly hold or loosen the head of a human body; the method comprises the steps of,

and the shooting module is arranged on the base and is positioned in front of the head fixing module and used for shooting eyes.

Preferably, each of the head fixing modules includes:

the mounting seat is movably mounted on the base along the front-back direction;

the sliding block is movably arranged on the mounting seat along the left-right direction, and one end of the fixed arm is hinged to the sliding block;

the magnetic attraction structure comprises a magnet and an electromagnet structure, wherein one of the magnet and the electromagnet structure is arranged on the sliding block, and the other one of the magnet and the electromagnet structure is arranged on the fixed arm; the method comprises the steps of,

one end of the reset spring is connected with the fixed arm, and the other end of the reset spring is connected with the mounting seat;

the coil of the electromagnet structure is electrified to absorb the abutting part of the fixed arm to swing forwards until the abutting part is attached to the sliding blocks and is relatively fixed, and the two sliding blocks continue to relatively move so as to hold the head of a human body tightly;

the two sliding blocks continue to move away from each other so as to loosen the head of a human body, and after the coil of the electromagnet structure is powered off, the reset spring resets the abutting part of the fixed arm to swing backwards.

Preferably, each of the head fixing modules further includes:

the motor seat of the first driving motor is arranged on the mounting seat, and the first driving motor is provided with a first output main shaft; the method comprises the steps of,

the first transmission screw rod extends in the left-right direction and is in driving connection with the first output main shaft;

the sliding block is provided with a first threaded mounting hole extending leftwards and rightwards, and the sliding block is installed on the first transmission screw rod in a threaded mode.

Preferably, each of the head fixing modules further includes:

the motor seat of the second driving motor is arranged on the base, and the second driving motor is provided with a second output main shaft; the method comprises the steps of,

the second transmission screw rod is arranged in an extending mode along the front-back direction and is in driving connection with the second output main shaft;

the mounting seat is provided with a second threaded mounting hole extending forwards and backwards, and the mounting seat is installed on the second transmission screw in a threaded manner.

Preferably, the mounting seat is provided with a rotation stop block, and the rotation stop block is positioned on the rotation stroke of the fixed arm and used for limiting the rotation stroke of the fixed arm.

Preferably, the head fixing module further comprises a forehead support portion extending in the left-right direction, and the forehead support portion is arranged at the rear of the shooting module and used for propping against the forehead of a human body.

Preferably, a contact surface of the abutment part, which is contacted with the head of the human body, is provided with a first pressure sensor and/or a second pressure sensor;

the first pressure sensor is electrically connected with the first driving motor and used for adjusting the movement of the fixed arm in the left-right direction;

the second pressure sensor is electrically connected with the second driving motor and used for adjusting the movement of the fixed arm in the front-rear direction.

Preferably, a third pressure sensor is arranged on the contact surface of the forehead support part for propping against the forehead of the human body, and the third pressure sensor is electrically connected with the second driving motor and used for adjusting the movement of the fixed arm in the longitudinal direction.

Preferably, the jaw support module further comprises a jaw support lifting motor, and the jaw support lifting motor is connected with the jaw support part and used for driving the jaw support part to move up and down.

Preferably, the camera further comprises a display module, wherein the display module is arranged above the base and is electrically connected with the detection device and used for displaying information acquired by the shooting module.

According to the technical scheme, the head of the testee is held up by the jaw support part and the head supporting parts on the two fixing arms tightly hold and fix the head of the testee, so that the shooting module is convenient to shoot, and the problem of poor shooting effect caused by unfixed head of the testee is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of an ophthalmic examination apparatus according to an embodiment of the present invention in an initial state or a completed state;

FIG. 2 is a schematic view of the back side of the ophthalmic examination apparatus of the present invention;

FIG. 3 is a schematic perspective view of an ophthalmic examination apparatus according to the present invention in an operative state;

FIG. 4 is a schematic perspective view of an ophthalmic testing device of the present invention in another operating state;

FIG. 5 is a schematic view of the internal structure of the head fixing module in the state of FIG. 1;

FIG. 6 is a schematic view of the internal structure of the head fixing module in the state of FIG. 3;

FIG. 7 is a schematic view of the internal structure of the head fixing module in the state of FIG. 4;

FIG. 8 is a schematic view of the internal structure of the jaw support module;

fig. 9 is a schematic structural view of the fixing arm.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Ophthalmic lensInspection apparatus	333	Guide block
1	Base seat	334	Reset spring
				2	Jaw support module	335	Rotation stop block
21	Jaw support	34a	First driving motor
				22	Jaw support lifting motor	34b	First drive screw
3	Head fixing module	35a	Second driving motor
				31	Fixing arm	35b	Second drive screw
311	Abutment portion	36	First pressure sensor
				32	Forehead support	37	Second pressure sensor
33	Mounting base	38	Third pressure sensor
				331	Sliding block	4	Shooting module
332a	Electromagnet structure		41					Shooting lens
				332b	Magnet body		5		Display module

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

The present invention has been made to solve the above problems, and an object of the present invention is to provide an ophthalmic inspection apparatus capable of automatically assisting the fixing of the head of a subject in a correct position _， Fig. 1 to 9 are schematic structural views of an embodiment of an ophthalmic inspection device according to the present invention.

Referring to fig. 1 to 4, the present invention provides an ophthalmic inspection device, including a base 1, a jaw support module 2, two head fixing modules 3 and a photographing module 4, wherein the jaw support module 2 is disposed on the base 1, the jaw support module 2 includes a jaw support 21 movably mounted on the base 1 along an up-down direction for supporting a chin of a human body, the two head fixing modules 3 are disposed on the base 1, each head fixing module 3 includes a fixing arm 31 oppositely disposed along a left-right direction, one end of each fixing arm 31 is rotatably mounted along an axis along the up-down direction, an abutment 311 is formed at the other end, each fixing arm 31 is further capable of moving linearly along a front-back direction and the left-right direction for enabling the two abutment 311 to jointly hold or release the head of the human body, and the photographing module 4 is disposed in front of the base 1 and in front of the head fixing module 3 for photographing eyes of the human body.

In an embodiment of the present invention, referring to fig. 1 to 7, the head fixing module 3 is provided with a forehead support portion 32, a mounting seat 33, a slider 331, a guide block 333, and a return spring 334, the forehead support portion 32 is formed by extending two head fixing modules 3 along the left and right directions to support the head of the testee for fixing the head, the slider 331 is provided on the mounting seat 33, one end of the slider 331 and one end of the fixing arm 31 are hinged, the fixing arm 31 can rotate along the vertical axis, one end of the return spring 334 is connected to the mounting seat 33, the other end is connected to the fixing arm 31, when the fixing arm 31 is in the state shown in fig. 1 and 5, the ophthalmic inspection device is in the initial state or the finished state, when the ophthalmic inspection device needs to operate, the two fixing arms 31 are in the open state, when the head of the testee stretches into the jaw support portion 21 and the forehead is attached to the forehead support portion 32, the sliding blocks 331 in the two head fixing modules 3 move in opposite directions to each other to drive the fixing arms 31 to move, at this time, the fixing arms 31 start to rotate under the action of the guiding blocks 333 due to the guiding blocks 333 arranged behind the sliding blocks 331, meanwhile, the return spring 334 changes from an initial state to a tensile force to stretch until the two fixing arms 31 are on the same horizontal line, because the sliding blocks 331 and the fixing arms 31 are provided with magnetic attraction structures, one of the magnetic attraction structures is an electromagnet structure 332a, the other is a magnet 332b, in the embodiment of the invention, the electromagnet structure 332a is arranged on the sliding blocks 331, the magnet structure 332b is arranged on the fixing arms 31, under the action of the magnetic structure, the fixed arm 31 and the sliding blocks 331 are attached to each other to reach the state shown in fig. 3 and 6, then, the two sliding blocks 331 are continuously close to each other in opposite directions, so that the left and right abutting portions 311 are used for holding the head of the testee tightly, the state shown in fig. 4 and 7 is reached, the head of the testee is fixed for inspection, the return spring 334 is continuously stretched under tension until the fixed arm 31 stops moving in the process, after the inspection is completed, the electromagnet structure 332a is powered off, the magnetic structure fails, the return spring 334 is accumulated to wait for release due to the fact that a large amount of elastic potential energy is accumulated in the process of being continuously stretched under stress, the fixed arm 31 is pulled back to perform rotary motion by the tension generated by the release of the elastic potential energy by the return spring 334 after the magnetic force absorption is lost, when the fixed arm 31 rotates to the initial position, the stop block 335 is used for stopping the rotation of the fixed arm 31 so as to keep the head of the testee at the position, the whole head is fixed to the completion, the effect is reduced through the fact that the fixed arms 31 are continuously stretched under tension until the fixed arm 31 stops moving, the whole, the test is completed, the test is carried out under the condition of the condition that the test is not stable in the process of the two jaws, and the test is carried out under the condition that the test is completed, the test is simultaneously, the test is stable, and the test condition is not carried out under the condition of the test is simultaneously, and the test is stable, and the test condition is carried under the condition is because the condition that the test is carried under the test and the test condition that the test is carried on the test and the test is at the head and the test is well.

In order to make the movement of the fixed arm 31 more automatic, the two head fixing modules 3 are further provided with driving members, please refer to fig. 5 to 7, the driving members include a first driving motor 34a and a first driving screw 34b, a motor seat of the first driving motor 34a is disposed on the mounting seat 33, the first driving screw 34b extends in a left-right direction, an output spindle of the first driving motor 34a is in driving connection with the first driving screw 34b, the first driving screw 34b is in threaded connection with the slider 331, when the first driving motor 34a rotates forward, the first driving screw 34b drives the slider 331 to move, so as to drive the fixed arm 31 to rotate, and when the fixed arm 31 rotates to the same horizontal line, the first driving motor 34a rotates reversely, so that the two fixed arms 31 are close to each other, and the two heads 311 are tightly held by the head.

In addition, considering that the head sizes of different subjects are different, the fixing arms 31 need to be adjusted and moved in the front-rear direction, and further referring to fig. 5 to 7, the two head fixing modules 3 are further provided with a second driving motor 35a and a second driving screw 35b, the second driving screw 35b is disposed along the front-rear direction, the mounting base 33 is connected to the second driving screw 35b through threads, and the mounting base 33 is adjusted in the front-rear direction by the forward and backward rotation of the second driving motor 35a, so that the head heights of the subjects need to be adjusted in the up-down direction in addition to the front-rear and left-right direction of the fixing arms 31, so that the eyes of the subjects are aligned with the photographing module 4, and referring to fig. 1 and 8, the jaw support module 2 is further provided with a jaw support lifting motor 22, and the jaw support lifting motor 22 is connected to the jaw support 21 for driving the jaw support 21 to move in the up-down direction.

In order to further improve the automation degree of the ophthalmic inspection device and achieve the purpose of flexibly fixing the head of the testee, the situation that the fixing force is too small to cause poor fixing effect or too large to cause uncomfortable feeling of the head of the testee is avoided, a pressure sensor is arranged at a position, which is in contact with the head of the testee, of the ophthalmic inspection device 100, in the embodiment, the pressure sensor is arranged on the abutment portion 311 and the forehead support portion 32, the number of the pressure sensors can be one or more, in order to achieve better effect, please refer to fig. 1 and 9, a first pressure sensor 36 and a second pressure sensor 37 are arranged on the abutment portion 311, a third pressure sensor 38 is arranged on the forehead support portion 32, the first pressure sensor 36 is electrically connected with the first driving motor 34a, the rotation condition of the first driving motor 34a is automatically adjusted by sensing the pressure value born by the head of the testee, so that the movement of the fixing arm 31 in the left and right directions is adjusted, the second pressure sensor 37 and the second driving motor 37 are automatically adjusted, and the rotation of the head of the testee can be ensured, and the head of the testee can be automatically adjusted by the second driving motor 35a, and the head of the testee is automatically adjusted by the pressure value, and the head of the nose of the testee is automatically adjusted.

In order to inspect the eyes of the tested person after the head is fixed, please refer to fig. 2 and 3, the ophthalmic inspection device 100 is provided with a photographing module 4 and a display module 5, the photographing module 4 can freely move along the front, back, up, down, left and right directions, and can be movably adjusted to obtain an optimal photographing distance and photographing angle, the display module 5 is electrically connected with the photographing module 4 to display the eye information obtained by the photographing module 4, a photographing lens 41 is arranged in the photographing module 4, the photographing lens 41 can be a fundus camera, an optometry, an tonometer, and the like, different types of inspections are performed on the eyes of the tested person by using different lenses, in the embodiment of the invention, the photographing lens 41 is a fundus camera, the photographing module 4 is adjusted to the optimal photographing angle by moving the head of the tested person in the three-dimensional direction, and the photographed result is displayed on the display module 5 at the same time, so that the inspector can inspect the eyes of the tested person at the first time, and the efficiency of the inspections is improved.

The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims

1. An ophthalmic testing device, comprising:

a base;

2. The ophthalmic examination apparatus of claim 1, wherein each of the head fixation modules comprises:

the magnetic attraction structure comprises a magnet and an electromagnet structure, wherein in the magnet and the electromagnet structure, the electromagnet is arranged on the sliding block, and the magnet is correspondingly arranged on the fixed arm; the method comprises the steps of,

3. The ophthalmic examination apparatus of claim 2, wherein each of the head fixation modules further comprises:

4. The ophthalmic examination apparatus of claim 2, wherein each of the head fixation modules further comprises:

5. The ophthalmic testing device of claim 2, wherein a rotation stop is provided on the mount, the rotation stop being on the rotational travel of the stationary arm to limit the rotational travel of the stationary arm.

6. The ophthalmic examination apparatus of claim 4, wherein the head fixing module further comprises a forehead support portion extending in a left-right direction, the forehead support portion being disposed behind the photographing module for supporting the forehead of the human body.

7. The ophthalmic examination apparatus of claim 4, wherein each of the head fixing modules further comprises a first driving motor and a first driving screw, wherein a motor seat of the first driving motor is arranged on the mounting seat, the first driving motor has a first output spindle, and the first driving screw extends in a left-right direction and is in driving connection with the first output spindle;

the contact surface of the abutment part and the human head is provided with a first pressure sensor and/or a second pressure sensor;

8. The ophthalmic examination apparatus of claim 6, wherein the contact surface of the forehead support portion for supporting the forehead of the human body is provided with a third pressure sensor electrically connected to the second driving motor for adjusting the movement of the fixing arm in the longitudinal direction.

9. The ophthalmic examination apparatus of claim 1, wherein the jaw support module further comprises a jaw support lift motor coupled to the jaw support for driving the jaw support to move up and down.

10. The ophthalmic examination apparatus of claim 1, further comprising a display module disposed above the base, the display module being electrically connected to the photographing module for displaying information acquired by the photographing module.