CN213750461U

CN213750461U - Adjustable biconcave lens positioning device

Info

Publication number: CN213750461U
Application number: CN202023196495.XU
Authority: CN
Inventors: 王晶亮; 江伟叶; 吴小江
Original assignee: Suzhou Jingxuan Photoelectric Co ltd
Current assignee: Suzhou Jingxuan Photoelectric Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-07-20
Anticipated expiration: 2030-12-25

Abstract

The utility model provides a biconcave lens positioner with adjustable belongs to the optical equipment field. The adjustable biconcave lens positioning device comprises a base, a positioning mechanism and a rotating mechanism. The end part of the connecting rod is hinged with the end part of the supporting rod, the outer surface of the connecting rod is hinged with a pull rod, the other end of the pull rod is hinged with the sliding sleeve, the inner surface of the connecting rod is connected with a clamping block, the lower end of the rotating rod is in transmission connection with a driving shaft of the first motor, and the upper end of the rotating rod is fixedly connected with the lower end of the upright post; the elastic piece pushes the sliding sleeve to slide, so that the biconcave lens is clamped and positioned, and the clamping and the positioning are convenient; the bull stick rotates with the base to be connected, and the drive shaft and the bull stick lower extreme transmission of first motor are connected, and it is rotatory to drive the bull stick, and bull stick upper end and stand lower extreme fixed connection, and then drive the stand and rotate, conveniently adjust the bracing piece that is connected with the stand, and then adjust the position of biconcave lens, the convenient going on that detects.

Description

Adjustable biconcave lens positioning device

Technical Field

The utility model relates to an optical equipment field particularly, relates to a biconcave lens positioner with adjustable.

Background

At present, the biconcave lens is similar to the plano-concave lens, the focal length is negative, the parallel incident light rays can be outwards diffused, the curvature radiuses of two side surfaces of the biconcave lens are equal, and the geometric construction of the imaging of the biconcave lens is the same as that of the convex lens. From the top of the object also as two straight lines: one is parallel to the main optical axis, and is deflected into divergent light rays after passing through the biconcave lens, and the refracted light rays are returned to the main focus in the opposite direction; the other line passes through the optical central point of the lens, and the two lines are intersected at one point, which is an image of an object and is generally used for beam expanding rays, projection and the like;

the biconcave lens production and processing needs the selective examination, then carries out the centre gripping location to in going on of detection, the current positioning mechanism rigidity can not adjust the use, the going on of detection of not being convenient for.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides a biconcave lens positioner with adjustable aims at improving the problem that current positioning mechanism rigidity can not adjust the use.

The utility model discloses a realize like this:

the utility model provides a biconcave lens positioner with adjustable, including base, positioning mechanism and rotary mechanism.

The upper surface of the base is provided with an upright post; the positioning mechanism comprises a supporting rod, an elastic part and a connecting rod, one end of the supporting rod is connected with the stand column, the sliding sleeve is sleeved on the surface of the supporting rod in a sliding mode, one end of the elastic part is fixedly connected with the supporting rod, the other end of the elastic part is connected with one side of the sliding sleeve, the end of the connecting rod is hinged to the end of the supporting rod, the outer surface of the connecting rod is hinged to a pull rod, the other end of the pull rod is hinged to the sliding sleeve, the inner surface of the connecting rod is connected with clamping blocks, and the connecting rod is symmetrically provided with two clamping blocks.

The rotary mechanism comprises a first motor and a rotating rod, the rotating rod is rotatably connected with the base, the lower end of the rotating rod is in transmission connection with a driving shaft of the first motor, and the upper end of the rotating rod is fixedly connected with the lower end of the upright post.

The utility model discloses an in one embodiment, the base upper surface is provided with places the platform, it has the slider to place a fixed surface down, the spout has been seted up to the base upper surface, the slider joint is in the spout.

The utility model discloses an in one embodiment, the grip block is installed through round pin axle rotation the connecting rod tip, two the grip block symmetry sets up.

In an embodiment of the present invention, the inner surface of the clamping block is an arc-shaped configuration, and the inner surface of the clamping block is attached with a rubber pad, and the sliding sleeve is disposed between the elastic member and the connecting rod.

The utility model discloses an in one embodiment, the bracing piece with stand sliding connection, the column mouting has lift portion, the one end of bracing piece with the expansion end of lift portion is connected.

The utility model discloses an in one embodiment, lift portion includes rotating member and screw rod, the screw rod with the stand rotates to be connected, the rotating member with the one end of screw rod is rotated and is connected, screw rod surface spiro union has the fixture block, the one end of bracing piece with fixture block fixed connection.

The utility model discloses an in one embodiment, the stand lateral wall has seted up the draw-in groove along length direction, fixture block slip joint is in the draw-in groove, the fixture block surface is seted up and is thought complex screw thread through-hole with the screw rod.

The utility model discloses an in one embodiment, the rotating member is the second motor, the second motor is fixed stand upper end, the drive shaft of second motor with the screw rod passes through shaft coupling fixed connection.

In an embodiment of the present invention, the driving shaft of the first motor is keyed with a first gear, the lower end of the rotating rod is keyed with a second gear, and the first gear is engaged with the second gear.

The utility model discloses an in one embodiment, first motor, first gear and the second gear all sets up the intracavity that holds that base cavity was seted up, first motor with base fixed connection, first gear is the worm, the second gear is the worm wheel.

The utility model has the advantages that: the utility model discloses an adjustable biconcave lens positioner who obtains through above-mentioned design, during the use, promote the sliding sleeve compression elastic component, the sliding sleeve slides and drives the pull rod and move, and the pull rod promotes the connecting rod, makes the tip of connecting rod rotate around bracing piece tip articulated department, and then makes the grip block of the internal surface connection of two connecting rods be close to each other and keep away from, places biconcave lens between two grip blocks, after relieving external force, the elastic component promotes the sliding sleeve and slides, carries out the centre gripping location to biconcave lens, makes things convenient for the centre gripping location; the bull stick rotates with the base to be connected, and the drive shaft and the bull stick lower extreme transmission of first motor are connected, and it is rotatory to drive the bull stick, and bull stick upper end and stand lower extreme fixed connection, and then drive the stand and rotate, conveniently adjust the bracing piece that is connected with the stand, and then adjust the position of biconcave lens, the convenient going on that detects.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of a lifting part according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a positioning mechanism according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a rotating mechanism according to an embodiment of the present invention.

In the figure: 100. a base; 110. a column; 111. a clamping block; 130. a placing table; 150. a lifting part; 151. a rotating member; 153. a screw; 300. a positioning mechanism; 310. a support bar; 311. a sliding sleeve; 330. an elastic member; 350. a connecting rod; 351. a pull rod; 353. a clamping block; 500. a rotation mechanism; 510. a first motor; 511. a first gear; 530. a rotating rod; 531. a second gear.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the utility model provides a. Embodiments, all other embodiments obtained by a person skilled in the art without any inventive step are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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 present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: an adjustable biconcave lens positioning device comprises a base 100, a positioning mechanism 300 and a rotating mechanism 500.

Referring to fig. 1, a vertical column 110 is disposed on the upper surface of a base 100; in this embodiment, the upper surface of the base 100 is provided with the placing table 130, the lower surface of the placing table 130 is fixed with a sliding block, the upper surface of the base 100 is provided with a sliding groove, the sliding block is clamped in the sliding groove, the placing table 130 is used for placing the biconcave lens to be clamped and positioned, and the sliding placing table 130 is convenient for transferring and adjusting the biconcave lens placed on the upper surface.

Referring to fig. 1-3, the positioning mechanism 300 includes a support rod 310, an elastic member 330 and two connecting rods 350, wherein one end of the support rod 310 is connected to the upright 110, a sliding sleeve 311 is slidably sleeved on the surface of the support rod 310, the elastic member 330 may be a compression spring, one end of the elastic member 330 is fixedly connected to the support rod 310, the other end of the elastic member 330 is connected to one side of the sliding sleeve 311, the end of the connecting rod 350 is hinged to the end of the support rod 310, a pull rod 351 is hinged to the outer surface of the connecting rod 350, the other end of the pull rod 351 is hinged to the sliding sleeve 311, the inner surface of the connecting rod 350 is connected to a clamping block 353, and the two connecting rods 350 are symmetrically arranged;

it should be noted that the clamping blocks 353 are rotatably installed at the end of the connecting rod 350 through a pin, and the two clamping blocks 353 are symmetrically arranged.

In some embodiments, the inner surface of the clamping block 353 is arc-shaped, and a rubber pad is attached to the inner surface of the clamping block 353, and the sliding sleeve 311 is disposed between the elastic member 330 and the connecting rod 350, so as to clamp and fix the edge of the biconcave lens, and facilitate positioning and use.

In other embodiments, the supporting rod 310 is slidably connected to the vertical column 110, the lifting portion 150 is installed on the vertical column 110, one end of the supporting rod 310 is connected to the movable end of the lifting portion 150, the lifting portion 150 drives the supporting rod 310 to move up and down, so that the height of the clamped biconcave lens is adjusted, and the use is facilitated.

In a specific implementation, the lifting part 150 includes a rotating member 151 and a screw 153, the screw 153 is rotatably connected to the upright 110, the rotating member 151 is rotatably connected to one end of the screw 153, a latch 111 is screwed on a surface of the screw 153, and one end of the supporting rod 310 is fixedly connected to the latch 111.

In implementation, the clamping groove is formed in the side wall of the upright column 110 along the length direction, the clamping block 111 is slidably clamped in the clamping groove, the threaded through hole matched with the screw 153 is formed in the surface of the clamping block 111, the electric push rod is fixed on the clamping block 111, the movable end of the electric push rod penetrates through the sliding hole formed in the surface of the sliding sleeve 311, the clamping spring is fixed at the movable end of the electric push rod, the sliding sleeve 311 is pulled to slide through the electric push rod, the double concave lens clamping is convenient to control, and the operation is convenient.

It should be noted that the rotating member 151 is a second motor, the second motor is fixed at the upper end of the upright 110, and a driving shaft of the second motor is fixedly connected with the screw 153 through a coupling.

Referring to fig. 1-4, the rotating mechanism 500 includes a first motor 510 and a rotating rod 530, the rotating rod 530 is rotatably connected to the base 100, a lower end of the rotating rod 530 is connected to a driving shaft of the first motor 510, and an upper end of the rotating rod 530 is fixedly connected to a lower end of the upright 110.

In this embodiment, the driving shaft of the first motor 510 is keyed with a first gear 511, the lower end of the rotating rod 530 is keyed with a second gear 531, and the first gear 511 is engaged with the second gear 531.

It should be noted that the first motor 510, the first gear 511 and the second gear 531 are all disposed in a hollow accommodating cavity of the base 100, the first motor 510 is fixedly connected to the base 100, the first gear 511 is a worm, and the second gear 531 is a worm gear.

The working principle of the adjustable biconcave lens positioning device is as follows: when the double-concave lens clamping device is used, the sliding sleeve 311 is pushed to compress the elastic part 330, the sliding sleeve 311 slides to drive the pull rod 351 to move, the pull rod 351 pushes the connecting rod 350, the end part of the connecting rod 350 rotates around the hinged position of the end part of the supporting rod 310, the clamping blocks 353 connected with the inner surfaces of the two connecting rods 350 are further close to each other and far away from each other, the double-concave lens is placed between the two clamping blocks 353, after external force is relieved, the elastic part 330 pushes the sliding sleeve 311 to slide, the double-concave lens is clamped and positioned, and clamping and positioning are facilitated; the rotating rod 530 is connected with the base 100 in a rotating mode, the driving shaft of the first motor 510 is connected with the lower end of the rotating rod 530 in a transmission mode, the rotating rod 530 is driven to rotate, the upper end of the rotating rod 530 is fixedly connected with the lower end of the upright post 110, the upright post 110 is driven to rotate, the supporting rod 310 connected with the upright post 110 is conveniently adjusted, the position of the biconcave lens is adjusted, and detection is facilitated.

It should be noted that the specific model specifications of the first motor 510, the second motor, and the electric push rod need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.

The power supply of the first motor 510, the second motor, and the electric putter and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable biconcave lens positioning device, comprising

The device comprises a base (100), wherein a vertical column (110) is arranged on the upper surface of the base (100);

the positioning mechanism (300) comprises a supporting rod (310), an elastic part (330) and two connecting rods (350), one end of the supporting rod (310) is connected with the upright post (110), a sliding sleeve (311) is sleeved on the surface of the supporting rod (310) in a sliding manner, one end of the elastic part (330) is fixedly connected with the supporting rod (310), the other end of the elastic part (330) is connected with one side of the sliding sleeve (311), the end part of the connecting rod (350) is hinged with the end part of the supporting rod (310), a pull rod (351) is hinged to the outer surface of the connecting rod (350), the other end of the pull rod (351) is hinged with the sliding sleeve (311), clamping blocks (353) are connected to the inner surface of the connecting rod (350), and two connecting rods (350) are symmetrically arranged;

the rotary mechanism (500) comprises a first motor (510) and a rotary rod (530), the rotary rod (530) is rotatably connected with the base (100), the lower end of the rotary rod (530) is in transmission connection with a driving shaft of the first motor (510), and the upper end of the rotary rod (530) is fixedly connected with the lower end of the upright post (110).

2. The adjustable biconcave lens positioning device of claim 1, wherein a placing table (130) is disposed on the upper surface of the base (100), a sliding block is fixed on the lower surface of the placing table (130), a sliding slot is disposed on the upper surface of the base (100), and the sliding block is clamped in the sliding slot.

3. The adjustable biconcave lens positioning device of claim 1, wherein the clamping blocks (353) are pivotally mounted at the ends of the connecting rods (350) by pins, and the two clamping blocks (353) are symmetrically arranged.

4. The adjustable biconcave lens positioning device of claim 3, wherein the inner surface of the clamping block (353) is curved, a rubber pad is attached to the inner surface of the clamping block (353), and the sliding sleeve (311) is disposed between the elastic member (330) and the connecting rod (350).

5. The adjustable biconcave lens positioning device of claim 1, wherein the supporting rod (310) is slidably connected to the upright (110), the upright (110) is provided with a lifting unit (150), and one end of the supporting rod (310) is connected to a movable end of the lifting unit (150).

6. The adjustable biconcave lens positioning device of claim 5, wherein the elevating portion (150) comprises a rotating member (151) and a screw (153), the screw (153) is rotatably connected to the upright (110), the rotating member (151) is rotatably connected to one end of the screw (153), a block (111) is screwed on the surface of the screw (153), and one end of the supporting rod (310) is fixedly connected to the block (111).

7. The adjustable biconcave lens positioning device of claim 6, wherein the sidewall of the upright post (110) is provided with a slot along the length direction, the block (111) is slidably engaged in the slot, and the surface of the block (111) is provided with a threaded through hole for engaging with the screw (153).

8. The adjustable biconcave lens positioning device of claim 7, wherein the rotating member (151) is a second motor, the second motor is fixed to the upper end of the upright (110), and a driving shaft of the second motor is fixedly connected to the screw rod (153) through a coupling.

9. An adjustable biconcave lens positioning device as claimed in claim 8, wherein the driving shaft of the first motor (510) is keyed with a first gear (511), the lower end of the rotating rod (530) is keyed with a second gear (531), and the first gear (511) is meshed with the second gear (531).

10. The adjustable bi-concave lens positioning device of claim 9, wherein the first motor (510), the first gear (511) and the second gear (531) are all disposed in a hollow accommodating cavity of the base (100), the first motor (510) is fixedly connected to the base (100), the first gear (511) is a worm, and the second gear (531) is a worm gear.