CN207909395U - Eye refraction change demonstration device - Google Patents

Abstract

The utility model discloses eye refraction change demonstration devices, including support base, support base top side outer wall is bolted horizontal positioned groove bar, the groove bar outer wall is socketed with No.1 sliding shoe and No. two sliding shoes, No.1 sliding shoe top outer wall centre position is bolted the telescopic advance lever placed vertically, and telescopic advance lever top has been bolted arc tray, the arc tray inner wall is connected with cornea simulated block, No. two sliding shoe tops are connected with the aqueous humor analog board placed vertically, support base top outer wall has been bolted No.1 arc support plate at groove bar position.The utility model is easy to adjust, easy to operate, can be finely adjusted to demonstration device, reaches better demonstrating effect, demonstration device can be adjusted according to the case where demonstration desktop, ensure that device is horizontal, speed is fast, precision is high, is easy to control, is conducive to demonstration operation and smoothly completes.

Description

Eye refraction change demonstration device

Technical field

The utility model is related to eyeball demonstration device technical field more particularly to eye refraction change demonstration devices.

Background technology

Human eye occur myopia, presbyopia the reason of there are many, one of major reason be exactly lenticular regulatory function not Normally, protrusion spends big or flatness deficiency, and the parallel rays that the external object " hair " prevented goes out from converging at retina just It is upper formation clearly as.But eyes are hidden in head, can hardly intuitively see to the adjusting of light, are imparting knowledge to students or explaining people It is difficult to be introduced when refraction of eye state.The extrusion simulation of useful liquid is lenticular currently on the market changes to explain dioptric The model eye of state, but the variation of this crystalline lens realizes that speed is slow, is difficult to control by liquid in extruding needle tubing.

Through retrieval, Chinese patent grant number is the patent of CN206312483U, is disclosed a kind of for simulating ocular imaging Teaching aid, including:Holder, film member, syringe, light source mechanism and optical screen；Holder includes：Pedestal and model support；Model support It is fixedly provided on pedestal；Film member is hung on model support；Film member is transparent material；It can be stored up in film member Deposit transparency liquid；After being filled with the transparency liquid of set amount in film member, there is spherical portion on film member；Syringe passes through soft Pipe is connected to film member.The teaching aid for simulating ocular imaging in above-mentioned patent has the following disadvantages：It is inconvenient to adjust, hand Dynamic degree of regulation is poor, and speed is slow, is difficult to control, demonstrating effect is bad.

Utility model content

Inconvenient purpose of the utility model is to solve adjusting, manual degree of regulation is poor, and speed is slow, is difficult to control, The bad problem of demonstrating effect, and the eye refraction change demonstration device proposed.

To achieve the goals above, the utility model uses following technical solution：

Eye refraction change demonstration device, including support base, support base top side outer wall have been bolted water The groove bar of placing flat, the groove bar outer wall are socketed with No.1 sliding shoe and No. two sliding shoes, No.1 sliding shoe top outer wall Centre position is bolted the telescopic advance lever placed vertically, and telescopic advance lever top has been bolted arc Tray, the arc tray inner wall are connected with cornea simulated block, and No. two sliding shoe tops are connected with the aqueous humor placed vertically Analog board, support base top outer wall have been bolted No.1 arc support plate, and No.1 arc at groove bar position Shape support chip top side outer wall is bolted Phakic simulator, and crystalline lens simulator top passes through spiral shell Bolt is fixed with No. two arc support plates, and No.1 arc support plate top passes through spiral shell far from crystalline lens simulator side outer wall Bolt is fixed with the retina analog board placed vertically, and retina analog board top has been bolted arc adjustment sheet, institute It states arc adjustment sheet side wall top and is provided with waist type groove by being bolted with regulation cock, No. two arc support plate tops outer wall, and Regulation cock side wall bottom end is connected in waist type groove, and the crystalline lens simulator includes metal shell, is set in the metal shell There is cavity, and metal shell both sides outer wall is clamped flexible transparent mantle, support base top outer wall is close to No.1 arc Liquid pump is bolted at support chip position, and support base top outer wall is bolted at liquid pump position There is liquid storage bottle, Phakic simulated solution is held in the liquid storage bottle, and liquid storage bottle top outer wall is bolted with exhaust nozzle.

Preferably, outer wall four Angle Positions in the support base bottom end are provided with screw hole, and are bolted with branch in four screw holes Support leg.

Preferably, four support leg bottom end outer walls are bonded with rubber sheet gasket, and four rubber sheet gasket bottom end outer walls It is provided with non-slip texture.

Preferably, metal shell side wall bottom end is socketed with inlet tube, and inlet tube is far from metal shell one end and liquid Body pumps out liquid muzzle and connects.

Preferably, liquid storage bottle bottom end side welding has plastic tube, and plastic tube and the inlet of liquid pump are socketed.

Preferably, the liquid pump type pumps for reverse circulation, and liquid pump is connected with switch, and switch is connected with processor.

Compared with prior art, the utility model provides eye refraction change demonstration device, has following advantageous effect：

1, the eye refraction change demonstration device passes through the groove bar of setting, telescopic advance lever, No.1 sliding shoe and No. two slidings Block can conveniently adjust height and the position of cornea simulated block, adjust the position of aqueous humor analog board, easy to adjust, easy to operate, Demonstration device can be finely adjusted, reach better demonstrating effect.

2, the eye refraction change demonstration device may be implemented to simulate crystalline lens by the liquid pump and liquid storage bottle of setting The automatic inflatable liquid of device, easy to operate, speed is fast, and precision is high, is easy to control, is conducive to demonstration operation and smoothly completes.

3, the eye refraction change demonstration device, by the support leg of setting, can according to the case where demonstration desktop to demonstration Device is adjusted, and ensures that device is horizontal, promotes demonstrating effect.

It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the utility model Demonstration device can be adjusted according to the case where demonstration desktop, ensure that device is horizontal, speed is fast, and precision is high, is easy to control, has It is smoothly completed conducive to demonstration operation.

Description of the drawings

Fig. 1 be the utility model proposes eye refraction change demonstration device structural schematic diagram；

Fig. 2 be the utility model proposes eye refraction change demonstration device metal shell structural schematic diagram.

In figure：1 support base, 2 No. two sliding shoes, 3 No.1 sliding shoes, 4 support legs, 5 rubber sheet gaskets, 6 groove bars, 7 flexible tune Pole, 8 arc trays, 9 cornea simulated blocks, 10 aqueous humor analog boards, the transparent mantle of 11 elasticity, 12 metal shells, 13 No. two arcs Support chip, 14 regulation cocks, 15 arc adjustment sheets, 16 retina analog boards, 17 exhaust nozzles, 18 liquid storage bottles, 19 liquid pumps, 20 feed liquors Pipe, 21 No.1 arc support plates.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

In the description of the present invention, it should be understood that term "upper", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

Referring to Fig.1-2, eye refraction change demonstration device, including support base 1,1 top side outer wall of support base pass through bolt It is fixed with horizontal positioned groove bar 6,6 outer wall of groove bar is socketed with No.1 sliding shoe 3 and No. two sliding shoes 2,3 top of No.1 sliding shoe Outer wall centre position is bolted the telescopic advance lever 7 placed vertically, and 7 top of telescopic advance lever is bolted There are arc tray 8,8 inner wall of arc tray to be connected with cornea simulated block 9, No. two 2 tops of sliding shoe are connected with the room placed vertically Fluid Dynamics plate 10, groove bar 6, telescopic advance lever 7, No.1 sliding shoe 2 and No. two sliding shoes 3, can conveniently adjust cornea simulated block 9 Height and position, adjust the position of aqueous humor analog board 10, easy to adjust, easy to operate, 1 top outer wall of support base is close to groove bar No.1 arc support plate 21 is bolted at 6 positions, and 21 top side outer wall of No.1 arc support plate passes through bolt Fixed Phakic simulator, crystalline lens simulator top has been bolted No. two arc support plates 13, No.1 arc 21 top of shape support chip is bolted the retina analog board placed vertically far from crystalline lens simulator side outer wall 16, and 16 top of retina analog board has been bolted arc adjustment sheet 15,15 side wall top of arc adjustment sheet passes through spiral shell It is connected to regulation cock 14, No. two 13 top outer walls of arc support plate are provided with waist type groove, and 14 side wall bottom end of regulation cock is connected to waist type In slot, crystalline lens simulator includes metal shell 12, is equipped with cavity in metal shell 12, and 12 both sides outer wall of metal shell is equal It is clamped flexible transparent mantle 11,1 top outer wall of support base has been bolted at 21 position of No.1 arc support plate Liquid pump 19, and 1 top outer wall of support base has been bolted liquid storage bottle 18 at 19 position of liquid pump, in liquid storage bottle 18 Phakic simulated solution is held, and 18 top outer wall of liquid storage bottle is bolted with exhaust nozzle 17.

In the utility model, support base 1 bottom end outer wall, four Angle Positions are provided with screw hole, and are bolted in four screw holes Support leg 4, four 4 bottom end outer walls of support leg are bonded with rubber sheet gasket 5, and four 5 bottom end outer walls of rubber sheet gasket be provided with it is anti- Sliding lines, 12 side wall bottom end of metal shell is socketed with inlet tube 20, and inlet tube 20 is far from 12 one end of metal shell and liquid pump 19 liquid outlets are socketed, and 18 bottom end side welding of liquid storage bottle has plastic tube, and plastic tube and the inlet of liquid pump 19 are socketed, liquid It pumps 19 types to pump for reverse circulation, and liquid pump 19 is connected with switch, switch is connected with processor, processor model ARM9TDMI.

The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. eye refraction change demonstration device, including support base（1）, which is characterized in that the support base（1）Top side outer wall is logical It crosses bolt and is fixed with horizontal positioned groove bar（6）, the groove bar（6）Outer wall is socketed with No.1 sliding shoe（3）With No. two sliding shoes （2）, the No.1 sliding shoe（3）Top outer wall centre position is bolted the telescopic advance lever placed vertically（7）, and Telescopic advance lever（7）Top has been bolted arc tray（8）, the arc tray（8）Inner wall is connected with cornea simulation Block（9）, No. two sliding shoes（2）Top is connected with the aqueous humor analog board placed vertically（10）, the support base（1）Outside top Wall is close to groove bar（6）No.1 arc support plate has been bolted at position（21）, and No.1 arc support plate（21）Top Side outer wall is bolted Phakic simulator, and crystalline lens simulator top has been bolted No. two Arc support plate（13）, the No.1 arc support plate（21）Top is solid by bolt far from crystalline lens simulator side outer wall Surely there is the retina analog board placed vertically（16）, and retina analog board（16）Top has been bolted arc adjustment sheet （15）, the arc adjustment sheet（15）Side wall top is by being bolted with regulation cock（14）, No. two arc support plates（13）Top End outer wall is provided with waist type groove, and regulation cock（14）Side wall bottom end is connected in waist type groove, and the crystalline lens simulator includes gold Belong to shell（12）, the metal shell（12）It is interior to be equipped with cavity, and metal shell（12）Both sides outer wall is clamped flexible transparent Mantle（11）, the support base（1）Top outer wall is close to No.1 arc support plate（21）Liquid has been bolted at position Pump（19）, and support base（1）Top outer wall is close to liquid pump（19）Liquid storage bottle has been bolted at position（18）, the storage Liquid bottle（18）In hold Phakic simulated solution, and liquid storage bottle（18）Top outer wall is bolted with exhaust nozzle（17）.

2. eye refraction change demonstration device according to claim 1, which is characterized in that the support base（1）Bottom end outer wall Four Angle Positions are provided with screw hole, and are bolted with support leg in four screw holes（4）.

3. eye refraction change demonstration device according to claim 2, which is characterized in that four support legs（4）Bottom end Outer wall is bonded with rubber sheet gasket（5）, and four rubber sheet gaskets（5）Bottom end outer wall is provided with non-slip texture.

4. eye refraction change demonstration device according to claim 1, which is characterized in that the metal shell（12）Side wall bottom End cap is connected to inlet tube（20）, and inlet tube（20）Far from metal shell（12）One end and liquid pump（19）Liquid outlet is socketed.

5. eye refraction change demonstration device according to claim 1, which is characterized in that the liquid storage bottle（18）Bottom end side Welding has plastic tube, and plastic tube and liquid pump（19）Inlet socket.

6. eye refraction change demonstration device according to claim 1, which is characterized in that the liquid pump（19）Type is just Inverse circulation pump, and liquid pump（19）It is connected with switch, switch is connected with processor.