CN207216142U

CN207216142U - Lens devices

Info

Publication number: CN207216142U
Application number: CN201721030529.3U
Authority: CN
Inventors: 邵秋峰
Original assignee: Shao Jieru
Current assignee: Shanxi Sanjin Aerospace Technology Co ltd
Priority date: 2017-08-16
Filing date: 2017-08-16
Publication date: 2018-04-10
Anticipated expiration: 2027-08-16

Abstract

The utility model embodiment is related to a kind of lens devices, including：Housing, housing include the first housing and the second housing, have the first inner via hole on the first housing, have the second inner via hole on the second housing；Film, thin-film package is between the first housing and the second housing, and the first housing and film form the first internal cavity, and the second housing and film form the second internal cavity, closed between the first internal cavity and the second internal cavity；Ring holder, housing outer ring portion is socketed in, there is annular protrusion in ring holder, annular protrusion supports housing；First internal cavity is turned on by the first inner via hole with the first external cavity, and the second internal cavity is turned on by the second inner via hole with the second external cavity；Piston gas-liquid capsule, first fluid is equipped with, and is conducted by catheter and the first accessibke porosity, piston gas-liquid capsule has piston push rod；Anglec of rotation adjuster, is connected with piston push rod.

Description

Lens devices

Technical field

It the utility model is related to field of optical device technology, more particularly to a kind of lens devices.

Background technology

With the development of science and technology electronic equipment increases, people are increasingly longer and various in face of the time of electronic curtain Incorrect to be accustomed to eye, the injury to eyes is increasing, and people are more and more to the demand of glasses.

Human eye when watching different distance object, it is necessary to focal length it is different, but existing lens devices for glasses Focal length is fixed nonadjustable, and focal length used is identical when user watches different distance object, so as to bring discomfort, user to human eye Experience Degree extreme difference.

Utility model content

The purpose of this utility model is the defects of being directed to prior art, there is provided a kind of lens devices, can be thin by adjusting The variable quantity of the fluid of film both sides, change the curvature of film, so as to realize the regulation of focal length, so that user watches different distance During object, using most suitable focal length, user experience is substantially increased.

In view of this, the utility model embodiment provides a kind of lens devices, including：

Housing, the housing include the first housing and the second housing, have the first inner via hole on first housing, described There is the second inner via hole on second housing；

Film, between first housing and the second housing, first housing and film are formed the thin-film package First internal cavity, second housing and film form the second internal cavity, close between first internal cavity and the second internal cavity Close；

Ring holder, housing outer ring portion is socketed in, there is annular protrusion, the annular in the ring holder The housing is supported in convex portion, and the first external cavity is formed between first housing and ring holder；Second housing and The second external cavity is formed between ring holder, it is closed between first external cavity and the second external cavity；It is empty in described first Chamber is turned on by first inner via hole with first external cavity, and second internal cavity passes through second inner via hole and institute State the conducting of the second external cavity；Piston gas-liquid capsule, first fluid is equipped with, and is conducted by catheter and the first accessibke porosity, The piston gas-liquid capsule has piston push rod；

Anglec of rotation adjuster, it is connected with the piston push rod；

The anglec of rotation adjuster is rotated forward, so as to drive the piston push rod to produce the first stepping-in amount, so that will First fluid is quantitative in the piston gas-liquid capsule is injected by the catheter to first external cavity, the first fluid First internal cavity is flowed into by first inner via hole, the film is increased under the pressure of the first fluid quantitative Deformation, the curvature increase of the film, reach diminution control focal length so as to adjust the film；In second internal cavity Two fluids flow out to second external cavity under the extruding of the film from second inner via hole.

Preferably, the film is circular or ellipse.

Preferably, the piston gas-liquid capsule is helical form or elongate.

Preferably, the quantity of first inner via hole and the second inner via hole is even number.

It is further preferred that center symmetric setting of multiple first inner via holes according to first housing；Multiple institutes State center symmetric setting of second inner via hole according to second housing；First inner via hole and the second inner via hole to be circular or Taper.

Preferably, the lens devices also include cover plate, cover in first hull outside, the cover plate is convex lens Mirror.

It is further preferred that the lens devices also include bottom plate, cover in second hull outside, and with the lid Plate is interlocked.

It is further preferred that the cover plate, bottom plate, film and piston gas-liquid capsule are replaceable device.

Preferably, ring holder also has first accessibke porosity and the second accessibke porosity；First accessibke porosity and institute State the first external cavity to be conducted, second accessibke porosity is conducted with second external cavity.

Preferably, the anglec of rotation adjuster is reversely rotated, so as to drive the piston push rod to produce the second stepping-in amount, So that first fluid quantitatively flows out to the first external cavity by first inner via hole in first internal cavity, then pass through institute State catheter to be pumped into the piston gas-liquid capsule, the film is reduced quantitative deformation, institute under the pressure of the first fluid The curvature for stating film reduces, and reaches expansion control focal length so as to adjust the film；The second fluid is flowed into outside described second Cavity, then second internal cavity is flowed into by the second inner via hole.

A kind of lens devices that the utility model embodiment provides, can pass through the change for the fluid for adjusting film both sides Amount, change the curvature of film, so as to realize the regulation of focal length, so that when user watches different distance object, using most suitable Focal length, substantially increase user experience.

Brief description of the drawings

Fig. 1 is the exploded perspective view for the lens devices that the utility model embodiment provides；

Fig. 2 is the partial cutaway schematic for the lens devices that the utility model embodiment provides；

Fig. 3 is the diagrammatic cross-section of the piston gas-liquid capsule for the lens devices that the utility model embodiment provides；

Fig. 4 is the structural representation for the lens devices that the utility model embodiment provides.

Embodiment

Below by drawings and examples, the technical solution of the utility model is described in further detail.

Fig. 1 is the exploded perspective view for the lens devices that the utility model embodiment provides, as shown in figure 1, the utility model The lens devices that embodiment provides include housing 1, film 2, piston gas-liquid capsule 4 and anglec of rotation adjuster 8.

Housing 1 includes the first housing 11 and the second housing 12, has the first inner via hole 111 on the first housing 11, for One fluid flows in or out；There is the second inner via hole 121, for flowing in or out for second fluid on second housing 12；Its In, the first inner via hole 111 and the second inner via hole 121 are circular or taper.

Fig. 2 is the partial cutaway schematic for the lens devices that the utility model embodiment provides, specially housing 1, film 2 And the diagrammatic cross-section after the assembling of ring holder 3, as shown in Fig. 2 film 2 is encapsulated in the first housing 11 and the second housing Between 12, the first housing 11 and film 2 form the first internal cavity 112, and the first internal cavity 112 is used to house first fluid；Second Housing 12 and film 2 form the second internal cavity 122, and the second internal cavity 122 is used to house second fluid, the He of the first internal cavity 112 It is closed between second internal cavity 122.Wherein, film 2 is circular or ellipse elastic film 2.

It should be noted that the effect of first fluid is filled with the first internal cavity 112, so that shape occurs for film 2 Become, so as to form the curvature of film 2；So injection rate of the first fluid in the first internal cavity 112 can be adjusted, so as to adjust The curvature of film 2, and then the purpose focused.

The effect of second fluid is filled with the second internal cavity 122, is passive, that is to say, that as first fluid is filled It is empty in second because being closed between the first internal cavity 112 and the second internal cavity 122 when entering the first internal cavity 112 The volume of the second fluid of chamber 122 changes therewith.

Optionally, first fluid can be liquid, such as water, silicone oil or transparent reflective liquid；Can certainly be gas Body, such as air or inert gas.

Similarly, second fluid can also be gas, such as air or inert gas or liquid, such as water, silicone oil Or transparent reflective liquid.

With reference to shown in Fig. 1 and Fig. 2, ring holder 3 is socketed in the outer ring portion of housing 1, specifically, having in ring holder 3 There is annular protrusion 30, annular protrusion 30 supports housing 1, and annular protrusion 30 forms two grooves in the inner side of ring holder 3 90, the outer of two grooves 90 is socketed in the outer of the first housing 11 and the second housing 12 respectively, and outer and the annular of housing 1 are propped up There is certain interval, so that forming the first external cavity 33 between the first housing 11 and ring holder 3 between support 3；Second The second external cavity 34 is formed between housing 12 and ring holder 3, it is closed between the first external cavity 33 and the second external cavity 34, It is not connected；First internal cavity 112 is turned on by the first inner via hole 111 and the first external cavity 33, and the second internal cavity 122 passes through Second inner via hole 121 turns on the second external cavity 34.

Further, the outer ring portion of ring holder 3 has the first accessibke porosity 31 and the second accessibke porosity 32, the first accessibke porosity 31 are conducted with the first external cavity 33, and the second accessibke porosity 32 is conducted with the second external cavity 34, and such first fluid passes through first Accessibke porosity 31 is flowed in or out to the first external cavity 33, then flows in or out the first internal cavity 112 by the first inner via hole 111, So that the film 2 being clipped between the first internal cavity 112 and the second internal cavity 122 produces quantitative shape under the pressure of first fluid Become, change the curvature of film 2, so as to realize the regulation to lens devices focal length；While film 2 deforms upon, in second Second fluid in cavity 122 flows out to the second external cavity 34 according to the deformation of film 2 from the second inner via hole 121, then passes through Two accessibke porosities 32 flow out, or second fluid flows into the second external cavity 34 by the second accessibke porosity 32, then by the second inner via hole 121 Flow into the second internal cavity 122.

In order to ensure that the deformation of film 2 is uniform, in a preferred embodiment, the first inner via hole 111 and the second inner via hole 121 Quantity it is identical, be even number, and multiple first inner via holes 111 are according to the center symmetric setting of the first housing 11, Duo Ge Two inner via holes 121 are more highly preferred to, multiple first inner via holes 111 and multiple according to the center symmetric setting of the second housing 12 The spaced set of two inner via hole 121, such first fluid can be by multiple symmetrically arranged first inner via holes 111 from first outside Cavity 33 uniformly flows in or out the first internal cavity 112, so as to ensure that all directions of first fluid from the first internal cavity 112 are equal It is even symmetrically to flow in or out；Corresponding, the second fluid in the second internal cavity 122 can pass through multiple symmetrically arranged The second fluid that two inner via holes 121 are uniformly flowed out in the second external cavity 34, or the second external cavity 34 is symmetrical arranged by multiple The second inner via hole 121 uniformly flow into the second internal cavity 122, so as to ensure second fluid from each of the second internal cavity 122 The outflow or inflow of direction symmetrically, and then the deformation of guarantee film 2 is uniform, realizes the accurate adjustment of focal length.

Fig. 3 is the diagrammatic cross-section of the piston gas-liquid capsule for the lens devices that the utility model embodiment provides, with reference to Fig. 1 extremely Shown in Fig. 3, piston gas-liquid capsule 4, including liquid storage cylinder 41 and piston push rod 42.First fluid, liquid storage cylinder are equipped with liquid storage cylinder 41 There is connector in 41 side wall, for connecting one end of catheter 5, the of the other end of catheter 5 and the first external cavity 33 One accessibke porosity 31 connects；Piston push rod 42 has pushing part 421, and pushing part 421 is plugged in liquid storage cylinder 41.

Again as shown in figure 1, anglec of rotation adjuster 8, is connected with piston push rod 42, specifically, anglec of rotation adjuster 8 Rotating wheel 81 and expansion link 82 can be included, expansion link 82 and rotating wheel 81 are meshed, and expansion link 82 and piston push rod 42 It is connected.The rotation forward or backwards of rotating wheel 81, the extension or contraction of expansion link 82 are driven, so as to drive piston push rod 42, Make the horizontal movement along the direction parallel to liquid storage cylinder 41 of pushing part 421, so as to change the liquid pressure in liquid storage cylinder 41, so as to First fluid in liquid storage cylinder 41 is pressed into catheter 5, hence into the first external cavity 33, or makes the first internal cavity 112 First fluid flows out to liquid storage cylinder 41 through the first external cavity 33, catheter 5 so that the curvature of film 2 changes, and makes lens The focal length of device is adjusted.To realize the importing of first fluid accurate quantification or export, liquid storage cylinder 41 be preferably helical form or The cross-sectional area of the liquid storage cylinder 41 of elongate, helical form or elongate is smaller, thus can realize first fluid accurate quantification Import or export.

Preferably, lens devices also include cover plate 6 and bottom plate 7, and cover plate 6 covers to be covered in the outside of the first housing 11, bottom plate 7 Close in the outside of the second housing 12, and cover plate 6 and bottom plate 7 are interlocked, and sealing area are formed, by housing 1, film 2 and annular Support frame 3 is contained in the sealing area.

Wherein, the material of cover plate 6 and bottom plate 7 can be glass or resin, and cover plate 6 is convex lens in this example, and bottom plate 7 is Flat mirror is, it is necessary to which explanation, convex lens and flat mirror are not restricted to the lens type of cover plate 6 and bottom plate 7, those skilled in the art The lens type of cover plate 6 and bottom plate 7 can be selected as needed.

Further, cover plate 6 can be convex lens or concavees lens with the number of degrees, lens devices is used as presbyopic Mirror or near-sighted glasses.

In order that lens devices also have the function of shading, sense is added in cover plate 6, bottom plate 7, film 2 or first fluid Luminescent material, the color of photosensitive material can be a variety of；A variety of photosensitive materials can also be mixed into, it is a certain under different luminous intensities Photosensitive material accounts for leading role, so as to realize discoloration, reaches shaded effect.Cover plate 6 and bottom plate 7 are replaceable, user Ke Gen According to cover plate 6, the bottom plate 7 for needing replacing different colours, or the cover plate 6 of the different number of degrees；Piston gas-liquid capsule 4 and replaceable, use Family can be changed equipped with the piston gas-liquid capsule 4 with different colours photosensitive material first fluid as needed.

Lens devices provided by the utility model can individually wear use, can also be placed in optical detecting instrument and carry out Use；In addition, also including support 9 for the device easy to use, piston gas-liquid capsule 4 is contained in support 9, is had on support 9 recessed Groove 90, the part of rotating wheel 81 of anglec of rotation adjuster 8 are arranged in groove 90, and a part is arranged on outside groove 90, is easy to The rotation of user.

In a preferred embodiment, two lens devices can be applied in combination, it is specific as shown in figure 4, two lens dresses Put and be attached by connecting rod 10, form wearable glasses, be easy to the use of user.

On the basis of being fully understood by the structure of lens devices of the present utility model, with reference to shown in Fig. 1 to Fig. 4, to this The use state of lens devices is introduced.

User is segmented into two kinds of situations when seeing object using the lens devices, and one kind is to draw near to see object, burnt Away from diminishing；Another kind is from the close-by examples to those far off to see object, and focal length becomes big, introduces both of these case separately below.

When user's wear lenses device draws near viewing object, user rotates forward anglec of rotation adjuster 8, drives Piston push rod 42 carries out the first stepping to close to the direction of liquid storage cylinder 41, so as to a certain amount of first-class by piston gas-liquid capsule 4 the Body is injected by catheter 5 by the first accessibke porosity 31 to the first external cavity 33, and first fluid passes through multiple first inner via holes 111 uniformly flow into the first internal cavity 112, and film 2 increases quantitative deformation under the pressure of first fluid, and the curvature of film 2 increases, Reach diminution control focal length so as to adjust film 2；Simultaneously, extruding of the second fluid in the second internal cavity 122 in film 2 Under the second external cavity 34 is uniformly flowed out to from multiple second inner via holes 121, then flowed out by the second accessibke porosity 32.When user regards When wild pure and fresh, the anglec of rotation of stopping the rotation adjuster 8.

When user's wear lenses device from the close-by examples to those far off watches object, customer reverse rotation angles degree adjuster 8, drive Piston push rod 42 produces the second stepping to away from the direction of liquid storage cylinder 41, so that second quantitative first in the first internal cavity 112 Fluid flows out to the first external cavity 33 by the first inner via hole 111, then is pumped into piston gas through catheter 5 by the first accessibke porosity 31 In liquid capsule 4, film 2 is set to reduce quantitative deformation under the pressure of first fluid, the curvature of film 2 reduces, reached so as to adjust film 2 Focal length is controlled to expanding；Second fluid enters the second external cavity 34 by the second accessibke porosity 32, then is entered by the second inner via hole 121 Second internal cavity 122.When the user visual field is pure and fresh, the anglec of rotation of stopping the rotation adjuster 8.

Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace Change, improve, should be included within the scope of protection of the utility model.

Claims

1. a kind of lens devices, it is characterised in that the lens devices include：

Housing, the housing include the first housing and the second housing, have the first inner via hole on first housing, and described second There is the second inner via hole on housing；

Film, for the thin-film package between first housing and the second housing, first housing and film form first Internal cavity, second housing and film form the second internal cavity, closed between first internal cavity and the second internal cavity；

Ring holder, housing outer ring portion is socketed in, there is annular protrusion, the annular protrusion in the ring holder The housing is supported, the first external cavity is formed between first housing and ring holder；Second housing and annular The second external cavity is formed between support frame, it is closed between first external cavity and the second external cavity；First internal cavity leads to Cross first inner via hole to turn on first external cavity, second internal cavity passes through second inner via hole and described the Two external cavities turn on；Piston gas-liquid capsule, first fluid is equipped with, and is conducted by catheter and the first accessibke porosity, it is described Piston gas-liquid capsule has piston push rod；

Anglec of rotation adjuster, it is connected with the piston push rod；

The anglec of rotation adjuster is rotated forward, so as to drive the piston push rod to produce the first stepping-in amount, so as to by described in First fluid is quantitative in piston gas-liquid capsule is injected by the catheter to first external cavity, and the first fluid passes through First inner via hole flows into first internal cavity, the film is increased quantitative shape under the pressure of the first fluid Become, the curvature increase of the film, reach diminution control focal length so as to adjust the film；Second in second internal cavity Fluid flows out to second external cavity under the extruding of the film from second inner via hole.

2. lens devices according to claim 1, it is characterised in that the film is circular or ellipse.

3. lens devices according to claim 1, it is characterised in that the piston gas-liquid capsule is helical form or elongate.

4. lens devices according to claim 1, it is characterised in that the quantity of first inner via hole and the second inner via hole It is even number.

5. lens devices according to claim 4, it is characterised in that multiple first inner via holes are according to the first shell The center symmetric setting of body；Multiple second inner via holes are according to the center symmetric setting of second housing；In described first Through hole and the second inner via hole are circular or taper.

6. lens devices according to claim 1, it is characterised in that the lens devices also include cover plate, cover in institute The first hull outside is stated, the cover plate is convex lens.

7. lens devices according to claim 6, it is characterised in that the lens devices also include bottom plate, cover in institute The second hull outside is stated, and is interlocked with the cover plate.

8. lens devices according to claim 7, it is characterised in that the cover plate, bottom plate, film and piston gas-liquid capsule are Replaceable device.

9. lens devices according to claim 1, it is characterised in that ring holder also have first accessibke porosity and Second accessibke porosity；First accessibke porosity is conducted with first external cavity, second accessibke porosity and second outer space Chamber is conducted.

10. lens devices according to claim 1, it is characterised in that the anglec of rotation adjuster is reversely rotated, so as to The piston push rod is driven to produce the second stepping-in amount, so that first fluid quantitatively passes through described first in first internal cavity Inner via hole flows out to the first external cavity, then is pumped into by the catheter in the piston gas-liquid capsule, makes the film described Reduce quantitative deformation under the pressure of first fluid, the curvature of the film reduces, and reaches expansion control so as to adjust the film Focal length；The second fluid flows into second external cavity, then flows into second internal cavity by the second inner via hole.