CN217085391U

CN217085391U - Limiting device adaptive to optical element

Info

Publication number: CN217085391U
Application number: CN202220838056.4U
Authority: CN
Inventors: 韩雪; 封娇; 杨三东; 王丰琳; 唐涛; 李彤
Original assignee: Dalian Elite Analytical Instruments Co ltd
Current assignee: Dalian Elite Analytical Instruments Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-07-29
Anticipated expiration: 2032-04-12

Abstract

A limit device adaptive to an optical element relates to the field of optics and comprises a fixed base, a limit gland and a tool clamp; the fixed base is provided with a convex column, the limiting gland is provided with a groove, and the convex column is assembled in the groove; a limiting window is arranged in the limiting gland, and an optical element is arranged in the limiting window; and a protective gland is arranged on the limiting gland; the lower end of the optical element is provided with an optical element support, the lower end of the optical element support is fixed in the fixed base, and the optical element and the upper end of the optical element support are fixedly adhered through a limiting window on a limiting gland; the tool clamp comprises a handle and a pressing rod, the handle and the pressing rod are hinged through a hinge, and the pressing rod in operation is located above the protective pressing cover. The utility model discloses there is the projection for the location on the unable adjustment base, spacing gland to have the cooperation to cover with recess and optical element spacing with the window, guaranteed the position accuracy of optical element and optical element support.

Description

Limiting device adaptive to optical element

Technical Field

The utility model belongs to the technical field of optics and specifically relates to a stop device of adaptation optical element is related to.

Background

In the field of precision manufacturing, optical detection equipment and optical measurement instruments play an important role, and effectively promote the improvement of the precision manufacturing production process level, and the optical detection equipment and the optical measurement instruments are generally provided with reflectors, and the functions of imaging, converging, changing a light path or expanding a view field space and the like are realized by utilizing the reflection characteristics of the reflectors. Most of the reflective optical elements are made of glass, are fragile, and are easily broken, so that the reflective optical elements are likely to be broken or damaged when being fixedly installed. And improper operation may also result in misalignment, angular misalignment, peeling, and impaired optical properties. Therefore, it is important to secure the fixation while maintaining the position with high accuracy. Therefore, how to fix the lens quickly and effectively is a problem to be solved by those skilled in the art.

Chinese patent CN215297780U provides a fixture for processing optical elements. The optical element processing fixing device comprises a bottom plate; the four first limiting plates are fixedly arranged on the top of the bottom plate in a matrix manner; the two first threaded rods are respectively and rotatably mounted on the two first limiting plates and are respectively and rotatably connected with the other two first limiting plates; the two driven synchronous wheels are respectively fixedly sleeved on the two first threaded rods; the main motor is fixedly arranged on one side of the bottom plate.

Chinese patent CN114019692A provides an optical device position adjusting device with simple structure, high adjusting precision, and on-line fine adjustment, thereby improving adjusting efficiency. The invention comprises a lens cone, a first spring, a retaining ring, a carrier and an XY axis fine tuning module, wherein the carrier is arranged on the XY axis fine tuning module, the XY axis adjusting module is arranged in the lens cone, a limiting boss is arranged on the inner wall of the lens cone, the first spring is arranged between the limiting boss and the XY axis fine tuning module, the retaining ring is in threaded fit with the lens cone, and the retaining ring is abutted against the XY axis fine tuning module.

Chinese patent CN113608312A relates to optical element technical field, and discloses an optical element adjusting device, including base and optical element, there is electric putter at the top of base through the mounting screw, electric putter's top is rotated and is connected with first limiting plate, the top sliding connection of first limiting plate has the second limiting plate, the top sliding connection of second limiting plate has the third limiting plate, second limiting plate and third limiting plate are equipped with two respectively, and the device simple structure, the modern design is convenient for fix the optical element of different specifications size.

All the above-mentioned searched patents have the risk of breaking or damaging during the mounting and fixing, and the range of application is relatively limited.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a

In order to realize the utility model discloses a purpose, the utility model discloses a technical scheme do:

a limiting device adaptive to an optical element comprises a fixed base and a limiting gland;

the fixed base is provided with a convex column, the limiting gland is provided with a groove, and the convex column is assembled in the groove;

a limiting window is arranged in the limiting gland, and an optical element is arranged in the limiting window; and a protective gland is arranged on the limiting gland;

an optical element support is arranged at the lower end of the optical element, the lower end of the optical element support is fixed in the fixed base, and the optical element and the upper end of the optical element support are fixedly bonded through a limiting window on a limiting gland;

still including the frock clamp, the frock clamp includes handle and depression bar, and is articulated through the hinge between handle and the depression bar, and the depression bar in the operation is located the protection gland top.

Furthermore, stop device still includes the optics platform, and the locating pin post is installed to optics platform up end, the pinhole has been seted up to unable adjustment base bottom, is equipped with the locating pin post in the pinhole.

Further, the optical element bracket is fixed on the fixing base through a first fixing piece.

Further, still install the frock clamp base on the optics platform, frock clamp base passes through the second mounting to be fixed on the optics platform, and the frock clamp passes through the third mounting to be fixed at the up end of frock clamp base.

Further, the handle is fixed above the tooling clamp base through a fixing piece.

Furthermore, the limiting window on the limiting gland is in any one shape of a circle and a rectangle.

Further, the first fixing piece can be a screw.

Further, the second fixing piece and the third fixing piece can be screws.

Further, the fixing piece can be selected from screws.

Compared with the prior art, the beneficial effects of the utility model are embodied in that:

the utility model discloses a cementation full time can be applicable to the reflection optical element of multiple specifications such as circular, rectangle, still can carry out attitude control, guarantee the position accuracy of optical element and optical element support to optical element when cementating. The fixed base is provided with a convex column for positioning, the limiting pressure cover is provided with a groove for matching and a window for limiting the optical element, and the window can be matched with the optical platform for application.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a partial cross-sectional view of FIG. 1;

FIG. 4 is a schematic diagram of the present invention in use on an optical platform;

fig. 5 is a schematic structural view showing the lower end of the fixing base according to the present invention;

FIG. 6 is a schematic view showing the upper end of the fixing base according to the present invention;

fig. 7 is a schematic structural view showing the lower end of the limiting gland of the present invention;

fig. 8 is a schematic structural view of the limiting window inside the limiting gland of the present invention;

reference numerals: 1. a fixed base; 2. a limiting gland bush; 3. an optical element holder; 4. an optical element; 5. a protective gland; 6. a tooling clamp base; 7. clamping the tool; 8. an optical platform; 9. a first fixing member; 10. positioning the pin column; 11. a convex column; 12. a pin hole; 13. a groove; 14. limiting the window; 15. a second fixing member; 16. a third fixing member; 17. a handle; 18. a pressure lever.

Detailed Description

In order to make the objects and technical solutions of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the following embodiments.

It is to be understood that the terms "center," "upper," "lower," "horizontal," "left," "right," "front," "rear," "lateral," "longitudinal," and the like are used in the illustrated orientation or positional relationship as shown in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Example 1

As shown in fig. 1-8, a stop device adapted to an optical element includes an optical platform 8, a positioning pin 10 is installed on the optical platform 8, a fixing base 1 is placed on the optical platform 8, a pin hole 12 is opened at the bottom of the fixing base 1, and the positioning pin 10 on the optical platform 8 is just assembled in the pin hole 12, so that the fixing base 1 does not move when operating on the optical platform 8, and the position accuracy when the optical element 4 is adhered is ensured to be higher. Fixing base 1's top is equipped with spacing gland 2, and fixing base 1 up end arch has a plurality of projections 11, and a plurality of recesses 13 have been seted up to the lower tip of setting up spacing gland 2 on fixing base 1, and a plurality of projections 11 cooperate with a plurality of recesses 13 just, have guaranteed fixing base 1 and spacing gland 2 accurate alignment. Spacing gland 2 is inside to be equipped with spacing window 14, spacing window 14 internally mounted has optical element 4, during the installation, the horizontal line that the up end of optical element 4 is located is not higher than the up end horizontal line position of spacing gland 2, optical element support 3 is installed to optical element 4 lower extreme, and optical element support 3 lower extreme is fixed inside unable adjustment base 1 through first mounting 9, fix a position through spacing window 14 on spacing gland 2 between optical element 4 and the optical element support 3 upper end and glue, the effect of accurate location between the two has been realized. The limiting window 14 on the limiting gland 2 can be in any shape such as a circle or a rectangle, and the limiting cementation effect of various optical elements 4 can be realized.

The tooling clamp base 6 is further placed on the upper end face of the optical platform 8, the tooling clamp base 6 is fixed on the optical platform 8 through the second fixing piece 15, the tooling clamp 7 is fixed on the upper end face of the tooling clamp base 6 through the third fixing piece 16, the tooling clamp 7 comprises a handle 17 and a pressing rod 18, the handle 17 is movably hinged to the pressing rod 18 through a hinge, and the handle 17 is fixed above the tooling clamp base 6 through a fixing piece. In the operation process, the end part of the pressure rod 18 is positioned above the limiting gland 2, the protective gland 5 is arranged between the pressure rod 18 and the limiting gland 2, the upper end surface of the protective gland 5 is in contact with the end part of the pressure rod 18, and the protective gland 5 is made of hard plastics, so that the optical element 4 can be prevented from being damaged, and the pressing force of the tool clamp 7 can be uniformly transmitted; the type of the tool clamp 7 with different pressing force can be selected, the use of the optical elements 4 with various specifications from small to large can be met, and the tool clamp can be selected correspondingly according to actual requirements. The fixing member, the first fixing member 9, the second fixing member 15, and the third fixing member 16 may be selected from a member having a fixing function such as a screw.

Specifically, this stop device's theory of operation does: coating an optical bonding agent on the optical element bracket 3, slightly placing the optical element 4 on the optical element bracket 3, and placing the limiting gland 2; the groove 13 of the limiting gland 2 is matched with the convex column 11 of the fixed base 1, and a limiting window 14 arranged on the limiting gland 2 is matched with the optical element 4. The protective gland 5 is placed on the optical element 4, the tool clamp base 6 is fixed on the end face of the optical platform 8 through the second fixing piece 15, and the tool clamp 7 and the tool clamp base 6 are fixed through the third fixing piece 16. And swinging a handle 17 of the tooling clamp 7 to press the end part of a pressure lever 18 extending out of the tooling clamp 7 to the upper end surface of the protective gland 5, and standing until the binder is cured. At this moment, the protective gland 5 can ensure that when the optical element 4 and the optical element support 3 are adhered, the pressing force of the tool clamp 7 is uniformly transmitted, the damage of the optical element 4 can be effectively avoided, the adhering reliability between the optical element 4 and the optical element support 3 is ensured, and the accurate limit and the damage to the lens are effectively avoided.

The above description is only for the embodiments of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which all fall within the scope of the present invention.

Claims

1. A limiting device adaptive to an optical element is characterized by comprising a fixed base and a limiting gland;

a limiting window is arranged in the limiting gland, and an optical element is arranged in the limiting window; and the upper end of the limiting gland is provided with a protective gland;

2. The apparatus as claimed in claim 1, further comprising an optical platform, wherein the optical platform has a positioning pin, the fixing base has a pin hole at the bottom thereof, and the positioning pin is disposed in the pin hole.

3. The retainer device for adapting to an optical element of claim 1, wherein the optical element holder is fixed to the fixing base by a first fixing member.

4. The limiting device of claim 2, wherein a tool clamp base is further mounted on the optical platform, the tool clamp base is fixed on the optical platform through a second fixing member, and the tool clamp is fixed on an upper end face of the tool clamp base through a third fixing member.

5. The retainer device for adapting to an optical element according to claim 4, wherein the handle is fixed above the base of the tool holder by a fixing member.

6. The retainer device for fitting an optical element according to claim 1, wherein the retainer window of the retainer cap has any one of a circular shape and a rectangular shape.

7. A retainer device for an adaptive optical element according to claim 3, wherein the first fixing member is a screw.

8. The apparatus of claim 4, wherein the second and third fasteners are screws.