CN220212891U

CN220212891U - Hand-held vision inspection device

Info

Publication number: CN220212891U
Application number: CN202321869471.7U
Authority: CN
Inventors: 朱津杭; 宋戈
Original assignee: Xuzhou Medical University
Current assignee: Xuzhou Medical University
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2023-12-22
Anticipated expiration: 2033-07-17

Abstract

The utility model discloses a handheld vision inspection device, which belongs to the technical field of vision inspection, and comprises a guide handle, wherein a handheld vision device shell is integrally formed at the top end of the guide handle through injection molding, and a portable inspection mechanism is arranged in the handheld vision device shell; the portable checking mechanism comprises a touch display screen arranged in the handheld light viewer shell, and the bottom end of the guiding handle is fixedly connected with a supporting chassis. According to the portable inspection mechanism, the tape is lengthened along the sliding of the two collar supports, inspected personnel can move to the designated distance according to the scale marks, the inspection E pictures with different sizes are selected for the users to distinguish the opening positions, the portable inspection mechanism can be conveniently carried to different positions, the distance between the inspected personnel is rapidly limited for inspecting eyesight, and the visual inspection device is better in use portability.

Description

Hand-held vision inspection device

Technical Field

The utility model relates to the technical field of vision inspection, in particular to a handheld vision inspection device.

Background

The hand-held optotype is a portable medical device for vision examination of eyes, which can perform a simple vision test to evaluate the far vision and near vision levels of people by displaying visual patterns having different sizes and resolutions.

The utility model patent of Chinese patent publication No. CN217186083U discloses a multifunctional vision tester, which aims at the problems that in the existing detection process, a doctor needs to ask questions for a sighting mark, record answers of a patient, analyze the answers to obtain a result, and has low automation degree, and complicated manual work is required; by adjusting the position of the vision inspection box to be in front of the patient's glasses; the host is used for controlling the type and the size of the sighting marks displayed by the display screen, adjusting the brightness and the gray level of the display screen, collecting, analyzing and storing the test results of the patient, the remote controller is connected with the host, and the patient selects and replies the sighting marks through the remote controller, so that errors caused by different positions are reduced, operation steps are reduced, and the remote controller is convenient to use and high in automation degree; however, the vision tester has the following defects;

in the use process of the vision inspection device, the whole vision inspection device is large in size, a user cannot conveniently carry the vision inspection device to a specified position to inspect the vision of the user, and the user can only inspect the specified scale mark and the vision position, so that the handheld vision inspection device is needed to be provided.

Disclosure of Invention

Therefore, the present utility model provides a handheld optotype detector to solve the problems in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions: the handheld vision inspection device comprises a guide handle, wherein the top end of the guide handle is integrally formed with a handheld vision inspection device shell through injection molding, and a portable inspection mechanism is arranged in the handheld vision inspection device shell;

the portable inspection mechanism comprises a touch display screen arranged inside a handheld light viewer shell, the bottom end of a guide handle is fixedly connected with a support chassis, two lantern ring supports are sequentially arranged at the bottom end of the support chassis from left to right, a rotating shaft rod is rotatably connected inside the lantern ring supports and near the bottom end position of the lantern ring supports through a bearing, a tape is wound on the outer wall of the rotating shaft rod and located between the two lantern ring supports, and a scale mark is arranged on the outer wall of the tape.

Preferably, the touch display screen is fixedly adhered to the handheld light viewer shell through hot melt adhesive, and the outer wall of the handheld light viewer shell is a smooth surface.

Preferably, two fixed connection between lantern ring support and the support chassis, and two lantern ring support sets up about support chassis middle part symmetry, two sliding connection between the relative one side of support chassis all and the tape measure, the vertical section shape is installed to the tip of rotation axostylus axostyle and is established to hexagonal accomodate and change the cap, accomodate and change through die-casting integrated into one piece between cap and the rotation axostylus axostyle, the one end of tape measure just keep away from support chassis position department bonding is fixed with and is connected the piece, it is made by stainless steel material to connect the piece, the inside of handheld optometer housing just is located touch display screen one side position department from the bottom up and is equipped with memory card and lithium cell in proper order, be connected between memory card output and the touch display screen input.

Through adopting above-mentioned technical scheme, by inspection personnel connection supporting shoe drive tape measure remove, the tape measure is elongated along the slip of two lantern ring supports, can make by inspection personnel remove appointed distance department according to the scale mark, supply power to touch display screen through the lithium cell, the memory card stores the refraction E picture that has not equidimension, select the refraction E picture of equidimension to distinguish the open position for the user, confirm binocular vision, rotatory accomodate the turning cap and drive the rotation axostylus axostyle, the rotation axostylus axostyle is rotatory inside two lantern ring supports, the rotation axostylus axostyle drives the tape measure and rolls in the position department between two lantern ring supports.

Preferably, the outer wall of the guiding handle and the position close to the outer shell of the handheld light viewing device are connected with a hand limiting support ring, the inner wall of the hand limiting support ring is provided with a thread sleeve joint block which is in vertical sliding connection with the guiding handle, the internal thread of the thread sleeve joint block is connected with a rotating screw rod, the bottom end of the hand limiting support ring is fixedly connected with a rubber extrusion ring through hot melt adhesive, the bottom end of the rotating screw rod is welded with a rotating cap with a cross section shape set to be hexagonal, the outer wall of the rotating shaft rod is rotationally connected with the guiding handle, and the hand limiting support ring and the rubber extrusion ring are vertically connected with the guiding handle in a sliding manner.

Through adopting above-mentioned technical scheme, rotate rotatory cap drive rotation screw rod and rotate in direction handle inside, rotate screw rod drive screw thread sleeve joint piece and move downwards along direction handle inner wall guide under the effect of screw thread, screw thread sleeve joint piece drives spacing branch ring of hand and rubber extrusion ring and move downwards along direction handle outer wall guide simultaneously, and medical personnel's hand is firm firmly in the position department between rubber extrusion ring and the support chassis.

The utility model has the following advantages:

1. by arranging the portable checking mechanism, the measuring tape is lengthened along the sliding of the two lantern ring brackets, checked personnel can move to a specified distance according to the scale marks, the storage card stores optometry E pictures with different sizes, and on the touch display screen, the optometry E pictures with different sizes are selected for the user to distinguish the opening positions, so that the optometry E pictures can be conveniently carried to different positions, the distance between the checked personnel is rapidly limited, the eyesight is checked, and the optometry checker has better portability in use;

2. the lithium battery is used for supplying power to the touch display screen, the storage card stores optometry E pictures with different sizes, the optometry E pictures are displayed on the touch display screen, the rotating screw drives the threaded sleeve joint block to move downwards along the guide handle inner wall guide under the action of threads, the hand limiting support ring and the rubber extrusion ring move downwards along the guide handle outer wall guide, the rubber extrusion ring can extrude the position above the hand, and when the guide handle is carried and moved, the whole touch display screen and the hand are not easy to fall off, and the touch display screen is used more stably.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.

FIG. 1 is a schematic diagram of the overall structure of a handheld vision tester in accordance with the present utility model;

FIG. 2 is a schematic view of a cut-away partial structure of a guide grip and tape measure in a hand-held optotype detector according to the present utility model;

FIG. 3 is a schematic view of a partial structure of a portion of a hand-held optotype detector where a hand-held optotype detector housing is connected to a touch display screen;

FIG. 4 is a schematic view of a vertical cross-section of a handheld optical inspection device according to the present utility model;

in the figure: 1. a guide grip; 2. a hand held optotype housing; 3. touching the display screen; 4. a support chassis; 5. a collar support; 6. rotating the shaft lever; 7. accommodating the rotating cap; 8. a tape measure; 9. scale marks; 10. connecting the support blocks; 11. a memory card; 12. a lithium battery; 13. a hand limiting support ring; 14. a threaded sleeve joint block; 15. a rubber extrusion ring; 16. rotating the screw; 17. the cap is rotated.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The portable inspection mechanism is arranged on the handheld vision inspection device, so that the tape measure 8 can be lengthened along the sliding of the two collar brackets 5, inspected persons can move to a specified distance according to scale marks, the storage card stores the inspection E pictures with different sizes, the inspection E pictures with different sizes are firstly selected on the touch display screen 3 to distinguish the opening positions of the users, the portable vision inspection device can be conveniently carried to different positions, the distance between the inspected persons is rapidly limited, the use portability of the vision inspection device is better, and the specific structure of the portable inspection mechanism is as follows.

In some embodiments, as shown in fig. 1-3, the portable checking mechanism comprises a touch display screen 3 installed inside a handheld optical device shell 2, a support chassis 4 is fixedly connected to the bottom end of a guide grip 1, two collar supports 5 are sequentially installed at the bottom end of the support chassis 4 from left to right, a rotating shaft rod 6 is rotatably connected to the inside of the collar supports 5 and near the bottom end of the collar supports through a bearing, a tape measure 8 is wound on the outer wall of the rotating shaft rod 6 and located between the two collar supports 5, scale marks 9 are formed on the outer wall of the tape measure 8, the touch display screen 3 is fixedly connected with the handheld optical device shell 2 through hot melt adhesive, a smooth surface is arranged on the outer wall of the handheld optical device shell 2, the two collar supports 5 are fixedly connected with the support chassis 4, the middle parts of the two collar supports 4 are symmetrically arranged, and the opposite surfaces of the two support chassis 4 are slidably connected with the tape measure 8.

The use principle of the handheld vision inspection device of this embodiment, medical and nursing user can hold in guide grip 1 outer wall position department by hand, through pulling connection piece 10, connection piece 10 drives tape measure 8 and removes, the slip elongation of tape measure 8 along two lantern ring supports 5, can make by inspection personnel remove appointed distance department according to the scale mark on scale mark 9, supply power to touch display 3 through lithium cell 12, memory card 11 stores the refraction E picture of equidimension, at present touch display 3, select the refraction E picture of equidimension to distinguish the open position for the user, confirm the binocular vision, after later stage use, rotatory storage turning cap 7 drives rotation axostylus axostyle 6, rotation axostylus axostyle 6 is rotatory in two lantern ring supports 5 inside, rotation axostylus axostyle 6 drives tape measure 8 and rolls in position department between two lantern ring supports 5.

In some embodiments, as shown in fig. 1-3, a storage rotating cap 7 with a hexagonal vertical section is installed at one end of a rotating shaft rod 6, the storage rotating cap 7 and the rotating shaft rod 6 are integrally formed through die casting, so that the rotating shaft rod 6 is driven to rotate by rotating the storage rotating cap 7, the measuring tape 8 can be wound up by the rotating shaft rod 6, a connecting support block 10 is fixedly adhered to one end of the measuring tape 8 and away from a position of a supporting chassis 4, the connecting support block 10 is made of stainless steel materials, so that the connecting support block 10 is convenient to pull the connecting support block 10, the connecting support block 10 drives the measuring tape 8 to move, the measuring tape 8 is convenient to move to a designated position, a storage card 11 and a lithium battery 12 are sequentially arranged in the handheld optical device shell 2 from bottom to top at one side of the touch display 3, the output end of the storage card 11 is connected with the input end of the touch display 3, so that the touch display 3 is supplied with power by the lithium battery 12, and the storage card 11 stores inspection E pictures with different sizes, and is convenient for people to check on the touch display 3.

In some embodiments, as shown in fig. 4, a hand limiting support ring 13 is connected to the outer wall of the guiding grip 1 and near the position of the handheld optical device housing 2, a threaded sleeve block 14 which is vertically and slidably connected with the guiding grip 1 is arranged on the inner wall of the hand limiting support ring 13, a rotating screw rod 16 is connected to the inner thread of the threaded sleeve block 14, a rubber extrusion ring 15 is fixedly adhered to the bottom end of the hand limiting support ring 13 through hot melt adhesive, a rotating cap 17 with a hexagonal cross section is welded to the bottom end of the rotating screw rod 16, the outer wall of the rotating shaft lever 6 is rotationally connected with the guiding grip 1, and the hand limiting support ring 13 and the rubber extrusion ring 15 are vertically and slidably connected with the guiding grip 1;

according to the upper structure, when the user holds the outer wall of the guide grip 1, the rotary cap 17 is rotated to drive the rotary screw 16 to rotate in the guide grip 1, the rotary screw 16 drives the thread sleeve joint block 14 to move downwards along the guide inner wall of the guide grip 1 under the action of threads, meanwhile, the thread sleeve joint block 14 drives the hand limiting support ring 13 and the rubber extrusion ring 15 to move downwards along the guide grip 1 outer wall, the rubber extrusion ring 15 can be extruded at the position above the hand, the hand of a medical staff is firmly fixed at the position between the rubber extrusion ring 15 and the support chassis 4, and the whole touch display screen 3 and the hand are not easy to fall off when the guide grip 1 is carried.

The details not described in detail in the specification belong to the prior art known to those skilled in the art, and model parameters of each electric appliance are not specifically limited and can be determined by using conventional equipment.

While the utility model has been described in detail with respect to the general description and specific embodiments thereof, it will be apparent to those skilled in the art that various modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims

1. The utility model provides a handheld visual inspection ware, includes direction handle (1), the top of direction handle (1) has handheld visual inspection ware shell (2) through injection molding integrated into one piece, its characterized in that: a portable checking mechanism is arranged in the handheld optical device shell (2);

the portable inspection mechanism comprises a touch display screen (3) arranged inside a handheld light viewer shell (2), a support chassis (4) is fixedly connected to the bottom end of a guide handle (1), two lantern ring supports (5) are sequentially arranged at the bottom end of the support chassis (4) from left to right, a rotating shaft rod (6) is rotatably connected inside the lantern ring supports (5) and near the bottom end position of the lantern ring supports through a bearing, a tape (8) is wound on the outer wall of the rotating shaft rod (6) and located between the two lantern ring supports (5), and scale marks (9) are formed in the outer wall of the tape (8).

2. The handheld optotype detector of claim 1, wherein: the touch display screen (3) is fixed with the handheld optical device shell (2) through hot melt adhesive, and the outer wall of the handheld optical device shell (2) is a smooth surface.

3. The handheld optotype detector of claim 1, wherein: the two lantern ring supports (5) are fixedly connected with the supporting chassis (4), the two lantern ring supports (5) are symmetrically arranged in the middle of the supporting chassis (4), and the opposite faces of the two supporting chassis (4) are slidably connected with the measuring tape (8).

4. The handheld optotype detector of claim 1, wherein: one end part of the rotating shaft rod (6) is provided with a containing rotating cap (7) with a hexagonal vertical section, and the containing rotating cap (7) and the rotating shaft rod (6) are integrally formed through die casting.

5. The handheld optotype detector of claim 1, wherein: and a connecting support block (10) is fixedly adhered to one end part of the tape measure (8) and a position far away from the supporting chassis (4), and the connecting support block (10) is made of stainless steel.

6. The handheld optotype detector of claim 1, wherein: the handheld optical device is characterized in that a storage card (11) and a lithium battery (12) are sequentially arranged in the handheld optical device shell (2) and located at one side of the touch display screen (3) from bottom to top, and the output end of the storage card (11) is connected with the input end of the touch display screen (3).

7. The handheld optotype detector of claim 1, wherein: the outer wall of direction handle (1) and be close to handheld light ware shell (2) position department and be connected with spacing branch ring of hand (13), be equipped with at the inner wall of spacing branch ring of hand (13) with the vertical sliding connection's of direction handle (1 thread bush piece (14), and the inside threaded connection of thread bush piece (14) has rotation screw rod (16), the bottom of spacing branch ring of hand (13) is fixed with rubber extrusion ring (15) through hot melt adhesive, the bottom welding of rotation screw rod (16) has cross section shape to establish into hexagon rotatory cap (17).

8. The handheld optotype detector of claim 7, wherein: the outer wall of the rotating shaft rod (6) is rotationally connected with the guide grip (1), and the hand limiting support ring (13) and the rubber extrusion ring (15) are vertically and slidably connected with the guide grip (1).