CN211905754U

CN211905754U - Compact structure's hand mode liquid lens

Info

Publication number: CN211905754U
Application number: CN202020852517.4U
Authority: CN
Inventors: 李文杰; 于方津; 高兴宇; 王海舰; 李明枫; 邓仕超
Original assignee: Guilin University of Electronic Technology
Current assignee: Guilin University of Electronic Technology
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-11-10
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a compact structure's hand mode liquid lens, including supporting component, adjusting component, adjustable ring and liquid film ring, liquid film ring includes go-between and optical film, go-between and optical film fixed connection are in order to support optical film, supporting component includes casing and end cover, casing and go-between fixed connection, in order to form the cavity that holds adjusting component, the end cover is located the casing and keeps away from go-between one side, the adjustable ring rotates with the go-between to be connected, adjusting component is including adjusting lid and piston, adjust lid and adjustable ring fixed connection rotate with following the adjustable ring, and with end cover threaded connection, piston and regulation lid sliding connection, and be located between regulation lid and the end cover. The adjusting ring is rotated to drive the adjusting cover to rotate, so that the end cover is close to or far away from the adjusting cover, the piston is pushed to be close to or far away from the optical film to continuously focus the optical film, and the structure is simple and beneficial to popularization.

Description

Compact structure's hand mode liquid lens

Technical Field

The utility model relates to an imaging lens field especially relates to a compact structure's hand mode liquid lens.

Background

The liquid lens realizes the change of focal length by changing the shape of the crescent surface of the liquid. Compared with the traditional zoom system, the liquid lens has the advantages of compact structure and low cost, and the traditional zoom lens realizes zooming by adjusting the distance between two lenses with fixed focal lengths. The liquid lens adjusts the focal length by changing the pressure of liquid, and the light-transmitting aperture can be flexibly adjusted, so that the liquid lens can be matched with the solid lens according to the actual engineering requirement, and the equipment can realize a zoom system within a very small fixed distance range.

The existing liquid lens has a complex structure, so the price is high, and the popularization is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compact structure's hand mode liquid lens, aim at solving the complicated problem that makes the price increase be unfavorable for the popularization of current liquid lens adjustment mechanism.

In order to achieve the above object, the present invention provides a compact manual liquid lens, which comprises a support assembly, an adjusting ring and a liquid film ring, wherein the liquid film ring comprises a connecting ring and an optical film, the connecting ring has a first through hole, the optical film is fixedly connected with the connecting ring and is located in the first through hole, the support assembly comprises a housing and an end cap, the housing has a second through hole, the housing is fixedly connected with the connecting ring and is located at one side of the connecting ring, the end cap is located at one side of the housing away from the connecting ring, the support assembly has two groups, two support assemblies are located at two sides of the connecting ring and are arranged in a mirror image manner, the adjusting ring is rotatably connected with the connecting ring and is located at the outer side of the connecting ring, the adjusting assembly comprises an adjusting cover and a piston, the adjusting cover is provided with a third through hole, the adjusting cover is fixedly connected with the adjusting ring and is in threaded connection with the end covers, the piston is located between the shell and the end covers, the piston comprises a piston body and a plurality of slide rods, the slide rods are in sliding connection with the shell and penetrate through the shell, the piston body is fixedly connected with the slide rods and is located in the third through hole, the end covers are in contact with the piston body, the adjusting assemblies are two groups and located on two sides of the connecting ring, and mirror images are arranged.

The support assembly further comprises a plurality of balls, and the balls are connected with the piston body and the end cover in a rolling mode and are located between the piston body and the end cover.

The piston body is provided with a plurality of first grooves, the first grooves are located on one side, away from the sliding rod, of the piston body, and the balls are located in the first grooves.

The support assembly further comprises two glass sheets, and the two glass sheets are fixedly connected with the two shells respectively and are located in the second through holes.

The support assembly further comprises two buffer sheets, and the two buffer sheets are respectively fixedly connected with the two end covers and are positioned on one side, close to the connecting ring, of the end covers.

The adjusting assembly further comprises a plurality of springs, the springs are fixedly connected with the piston body, and the sliding rods penetrate through the springs respectively.

The utility model discloses a compact structure's hand mode liquid lens, the optics film with go-between fixed connection, the go-between mainly supports the optics film, the support assembly includes casing and end cover, the casing with go-between fixed connection, the casing with go-between forms a cavity for holding adjusting element, the adjustable ring with the go-between rotates to be connected, makes the adjustable ring can be relative the go-between rotates, the regulation lid with adjust ring fixed connection, and with end cover threaded connection, when rotating the adjustable ring, can drive the regulation lid rotates, thereby makes the regulation lid reciprocate relative to the end cover; the sliding rods are connected with the shell in a sliding mode, the piston body is fixedly connected with the sliding rods, when the adjusting cover moves towards the end cover, the sliding rod bodies are relatively close to the optical film, so that the optical film deforms and zooms, two groups of supporting assemblies and two groups of adjusting assemblies are arranged on two sides of the connecting ring in a mirror image mode, and the two groups of supporting assemblies and the two groups of adjusting assemblies enable the optical film to be adjusted in two directions. Through rotating the adjustable ring drives the regulation lid rotates, makes the end cover is close to or keeps away from adjust the lid to promote two the piston is close to optical film and can be right optical film carries out the regulation of two directions, can realize optical film's concave-convex change very conveniently, thereby solves the complicated problem that the price is increased and is unfavorable for the popularization that makes of current liquid lens adjustment mechanism.

Drawings

In order to more clearly illustrate the embodiments of the present invention 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 is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a structural diagram of a compact manual liquid lens according to the present invention;

fig. 2 is a cross-sectional view of a compact, hand-adjustable liquid lens of the present invention;

fig. 3 is a schematic structural diagram of the piston of the present invention.

1-support component, 2-adjusting component, 3-adjusting ring, 4-liquid film ring, 11-shell, 12-end cover, 13-second through hole, 14-glass sheet, 15-buffer sheet, 21-adjusting cover, 22-piston, 23-spring, 24-third through hole, 25-ball, 221-piston body, 222-sliding bar, 223-first groove, 41-connecting ring, 42-optical film, 43-first through hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "upper,

The directional or positional relationships "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are those based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a compact manual liquid lens:

including supporting component 1, adjusting component 2, adjusting ring 3 and liquid film ring 4, liquid film ring 4 includes connecting ring 41 and optical film 42, connecting ring 41 has first through-hole 43, optical film 42 with connecting ring 41 fixed connection, and lie in first through-hole 43, supporting component 1 includes casing 11 and end cover 12, casing 11 has second through-hole 13, casing 11 with connecting ring 41 fixed connection, and lie in one side of connecting ring 41, end cover 12 lies in the casing 11 keeps away from one side of connecting ring 41, supporting component 1 has two sets, two supporting component 1 lie in the both sides of connecting ring 41, and the mirror image setting, adjusting ring 3 with connecting ring 41 rotates to be connected, and lie in the outside of connecting ring 41, adjusting component 2 includes adjusting cover 21 and piston 22, the adjusting cover 21 has a third through hole 24, the adjusting cover 21 is fixedly connected to the adjusting ring 3, and is in threaded connection with the end cover 12, and is located between the housing 11 and the end cover 12, the piston 22 includes a piston body 221 and a plurality of sliding rods 222, the plurality of sliding rods 222 are in sliding connection with the housing 11, and pass through the housing 11, the piston body 221 is fixedly connected to the sliding rods 222, and is located in the third through hole 24, the end cover 12 contacts the piston body 221, the adjusting assemblies 2 have two sets, and are located on two sides of the connecting ring 41, and are arranged in a mirror image manner.

In this embodiment, the liquid film ring 4 includes a connection ring 41 and an optical film 42, the connection ring 41 has a first through hole 43, the optical film 42 is fixedly connected to the connection ring 41 and is located in the first through hole 43, the connection ring 41 mainly supports the optical film 42, the support assembly 1 includes a housing 11 and an end cap 12, the housing 11 has a second through hole 13, the housing 11 is fixedly connected to the connection ring 41 and is located at one side of the connection ring 41, the housing 11 and the connection ring 41 form a cavity for accommodating an adjusting element, the adjusting ring 3 is rotatably connected to the connection ring 41 and is located at the outer side of the connection ring 41, so that the adjusting ring 3 can rotate relative to the connection ring 41, the adjusting assembly 2 includes an adjusting cap 21 and a piston 22, the adjusting cap 21 has a third through hole 24, the adjusting cover 21 is fixedly connected with the adjusting ring 3, is in threaded connection with the end cover 12, and is located between the housing 11 and the end cover 12, so that when the adjusting ring 3 is rotated, the adjusting cover 21 can be driven to rotate, and the adjusting cover 21 can move up and down relative to the end cover 12; the piston 22 includes a piston body 221 and a plurality of sliding rods 222, the plurality of sliding rods 222 are slidably connected with the housing 11 and penetrate through the housing 11, the piston body 221 is fixedly connected with the sliding rods 222 and is located in the third through hole 24, when the adjusting cover 21 moves towards the end cover 12, the sliding rods 222 are relatively close to the optical film 42, so that the optical film 42 deforms and zooms, two sets of the support assembly 1 and two sets of the adjusting assembly 2 are located at two sides of the connecting ring 41, and are arranged in a mirror image mode, and the two sets of the support assembly 1 and the adjusting assembly 2 enable two-direction adjustment of the optical film 42. Through rotating adjusting ring 3, drive adjust the lid 21 and rotate, make end cover 12 is close to or keeps away from adjust lid 21 to promote two the piston 22 is close to optical film 42 and can be right optical film 42 carries out the regulation of two directions, can realize optical film 42's unsmooth change very conveniently, thereby solve the complicated problem that the price is increased and is unfavorable for the popularization that makes of current liquid lens adjustment mechanism.

Further, the support assembly 1 further comprises a plurality of balls 25, and the plurality of balls 25 are connected with the piston body 221 and the end cover 12 in a rolling manner and are located between the piston body 221 and the end cover 12.

In this embodiment, the balls 25 are steel balls, which can reduce friction generated when the piston body 221 and the end cap 12 rotate, so that the connecting ring 41 is rotated to drive the piston 22 to rotate more uniformly, thereby improving the adjustment precision.

Further, the piston body 221 has a plurality of first grooves 223, the first grooves 223 are located on a side of the piston body 221 away from the sliding rod 222, and a plurality of balls 25 are located in the first grooves 223.

In this embodiment, the balls 25 can be kept rotating in the first groove 223, so that the rotation is more stable, and the balls 25 cannot fall to other places.

Further, the support assembly 1 further includes two glass sheets 14, and the two glass sheets 14 are respectively and fixedly connected with the two housings 11 and are located in the second through hole 13.

In the present embodiment, two glass sheets 14 are used to protect the optical film 42 from external impurities such as dust entering and affecting the normal operation of the optical film 42.

Further, the support assembly 1 further includes two buffer sheets 15, and the two buffer sheets 15 are respectively and fixedly connected to the two end caps 12 and are located on one side of the end caps 12 close to the connection ring 41.

In this embodiment, when the connection ring 41 is rotated, the connection ring 41 and the connection cover may collide with the end cap 12 to cause an impact, and the buffer sheet 15 is used to reduce the impact, so that the sliding rod 222 may push the optical film 42 more gently, thereby increasing the service life of the optical film 42.

Further, the adjusting assembly 2 further includes a plurality of springs 23, the plurality of springs 23 are fixedly connected to the piston body 221, and the plurality of sliding rods 222 respectively pass through the springs 23.

In this embodiment, the springs 23 keep the housing 11 always exerting an outward force on the piston 22, keep the piston body 221 bearing the balls 25 against the end cap 12, and push the housing 11 away from the piston 22 when the adjustment ring 3 is rotated to move the adjustment cap 21 away from the end cap 12, while ensuring that the same pressure is eventually reached in both chambers.

The utility model discloses a theory of operation and use flow: referring to fig. 1 and 2, after the liquid lens adjusting mechanism is installed, the adjusting ring 3 is rotated to drive the adjusting cover 21 to rotate relative to the connecting ring 41, the piston 22 follows the adjusting cover 21 to rotate, the adjusting cover 21 enables the end cover 12 to rotate to be close to or away from the adjusting cover 21, the end cover 12 pushes the two pistons 22 to be close to the optical film 42, so that the optical film 42 can be adjusted in two directions, the concave-convex change of the optical film 42 can be realized very conveniently, and the problem that the existing liquid lens adjusting mechanism is complex in structure, so that the price is increased and popularization is not utilized is solved.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. A hand-adjusted liquid lens with compact structure is characterized in that,

including supporting component, adjusting part, adjustable ring and liquid film ring, the liquid film ring includes go-between and optical film, the go-between has first through-hole, optical film with go-between fixed connection, and be located in the first through-hole, the supporting component includes casing and end cover, the casing has the second through-hole, the casing with go-between fixed connection, and be located one side of go-between, the end cover is located the casing is kept away from one side of go-between, the supporting component has two sets ofly, two the supporting component is located the both sides of go-between, and the mirror image sets up, the adjustable ring with the go-between rotates to be connected, and is located the outside of go-between, the adjusting component is including adjusting lid and piston, the adjusting lid has the third through-hole, the adjusting lid with adjustable ring fixed connection, the piston comprises a piston body and a plurality of slide rods, the slide rods are in sliding connection with the shell and penetrate through the shell, the piston body is fixedly connected with the slide rods and is positioned in a third through hole, the end covers are in contact with the piston body, and the two groups of adjusting assemblies are positioned on two sides of the connecting ring and arranged in a mirror image mode.

2. A compact, hand-adjustable liquid lens as claimed in claim 1,

3. A compact, hand-adjustable liquid lens as claimed in claim 2,

4. A compact, hand-manipulated liquid lens as claimed in claim 3,

5. A compact, hand-manipulated liquid lens as claimed in claim 4,

the support assembly further comprises two buffer sheets, and the two buffer sheets are respectively and fixedly connected with the two end covers and are positioned on one sides of the end covers close to the connecting rings.

6. A compact, hand-adjustable liquid lens as claimed in claim 1,