CN220113151U

CN220113151U - Lens fixing mechanism

Info

Publication number: CN220113151U
Application number: CN202321542882.5U
Authority: CN
Inventors: 刘湘明
Original assignee: Shenzhen Dior Optical Technology Co ltd
Current assignee: Shenzhen Dior Optical Technology Co ltd
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2023-12-01
Anticipated expiration: 2033-06-16

Abstract

The utility model discloses a lens fixing mechanism, which relates to the technical field of lens processing and comprises a base, wherein a rotating shaft sleeve is fixedly connected to the central position of the upper surface of the base, a rotating shaft is rotatably connected to the inside of the rotating shaft sleeve through a bearing, a driven bevel gear is fixedly connected to the lower position of the surface of the rotating shaft, a fixing plate is fixedly connected to the upper surface of the base and positioned right in front of the rotating shaft sleeve, a motor is fixedly arranged on the front surface of the fixing plate, and the output end of the motor penetrates through the outer side wall of the fixing plate and is fixedly connected with a driving bevel gear. This mechanism carries out radial fixation through four grip blocks to the lens, carries out axial fixation to the lens through mutual cooperation of lens supporting shoe and clamp plate, improves fixed stability, avoids the lens to appear the circumstances of skew when fixed, and this mechanism also can the fixed not lens of equidimension of centre gripping simultaneously, has higher practicality.

Description

Lens fixing mechanism

Technical Field

The utility model relates to the technical field of lens processing, in particular to a lens fixing mechanism.

Background

The lens is an optical element made of transparent substances (such as glass, crystal and the like), and generally comprises a convex lens and a concave lens, wherein the convex lens is characterized by thick middle and thin edge; the concave lens is characterized by thin middle and thick edge, and plays an important role in astronomical, military, traffic, medicine, art and other fields, and is made according to the refraction rule of light, and the formed image has a real image and a virtual image. The lens can be widely applied to various fields of security protection, vehicle-mounted, digital cameras, lasers, optical instruments and the like, and along with the continuous development of the market, the lens technology is also more and more widely applied.

The lens is often required to be fixed in the use process, and the lens fixing support provided by the utility model patent with the publication number of CN216351464U comprises a base, a U-shaped seat is fixedly connected to the middle of the base, a rotating shaft is rotationally assembled in an opening of the U-shaped seat, a rotating mechanism is arranged on the rotating shaft, a supporting seat is fixedly connected to the rotating shaft, an installation seat is connected to the upper end of the supporting seat, and a clamping mechanism is arranged on the installation seat. According to the utility model, the lenses with different sizes are clamped and fixed through the clamping mechanism, so that the experiment can be conveniently performed by using the lenses with different sizes, and the practicability of the device main body can be improved.

However, the above utility model still has the following problems in use: although the mechanism can clamp and fix lenses with different sizes, the lens fixing mechanism is fixed in one direction, and the situation that the lens fixing mechanism shifts in the clamping process exists, so that the stability of the fixing is not high, and the problem is solved by providing the lens fixing mechanism with higher stability in the fixing process.

Disclosure of Invention

In order to solve the technical problems, the technical scheme provides a lens fixing mechanism, which solves the problems that the existing lens fixing mechanism provided in the background art can only fix one direction or has offset when fixing a lens.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a lens fixed establishment, includes the base, the upper surface intermediate position department fixedly connected with pivot sleeve of base, pivot telescopic inside is connected with the pivot through the bearing rotation, the surface of pivot is by lower position department fixedly connected with driven bevel gear, the upper surface of base just is located the telescopic position department fixedly connected with fixed plate of pivot, the positive fixed mounting of fixed plate has the motor, the output of motor runs through the lateral wall of fixed plate and with initiative bevel gear fixed connection, driven bevel gear and initiative bevel gear meshing, the top of pivot is rotated with the installation disc through the bearing and is connected, the surface of pivot is by upper position department fixedly connected with gear, gear and a plurality of rack meshing, the first spout of a plurality of around axle center evenly distributed is seted up to the surface of installation disc, the rack passes through slider and grip block fixed connection, the second spout of a plurality of around axle center evenly distributed is seted up to the upper surface of limiting plate, the rear end fixedly connected with backup pad of base, the top fixedly connected with backup pad, the electric connection is by the upper position of electric connection board, the electric connection board is located the front of the surface of push rod and is connected with the connecting plate fixedly connected with push rod.

Preferably, each rack is uniformly distributed around the axis of the gear, and the first sliding groove is in sliding connection with the sliding block.

Preferably, a clamping groove is formed in one side, relatively close to each clamping plate, of each clamping plate, and a lens supporting block is fixedly connected to the central position of the upper surface of the mounting disc.

Preferably, each second chute is in sliding connection with the rack, the upper surface of the base is fixedly connected with the mounting disc through a plurality of support columns, and each support column is fixedly connected to the edge of the bottom surface of the mounting disc.

Preferably, a cushion pad is arranged on the bottom surface of the pressing plate, and the pressing plate is located right above the mounting disc.

Compared with the prior art, the utility model has the beneficial effects that: this mechanism carries out radial fixation through four grip blocks to the lens, carries out axial fixation to the lens through mutual cooperation of lens supporting shoe and clamp plate, improves fixed stability, avoids the lens to appear the circumstances of skew when fixed, and this mechanism also can the fixed not lens of equidimension of centre gripping simultaneously, has higher practicality.

Drawings

FIG. 1 is a schematic perspective view of the utility model;

FIG. 2 is a left side view of the utility model;

FIG. 3 is a schematic perspective view of a clamping mechanism;

fig. 4 is a schematic view of the internal structure of the clamping mechanism.

The reference numerals in the figures are: 1. a base; 2. a rotating shaft sleeve; 21. a rotating shaft; 22. a driven bevel gear; 23. a fixing plate; 24. a motor; 25. a drive bevel gear; 26. a disk is installed; 27. a gear; 28. a rack; 29. a first chute; 210. a slide block; 211. a clamping plate; 212. a clamping groove; 213. a lens support block; 214. a limiting plate; 215. a second chute; 216. a support column; 3. a support plate; 31. a connecting plate; 32. an electric push rod; 33. a pressing plate; 34. and a cushion pad.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.

Referring to fig. 1 to 4, a lens fixing mechanism comprises a base 1, a rotary shaft sleeve 2 is fixedly connected to the central position of the upper surface of the base 1, a rotary shaft 21 is rotatably connected to the inside of the rotary shaft sleeve 2 through a bearing, a driven bevel gear 22 is fixedly connected to the lower position of the surface of the rotary shaft 21, a fixing plate 23 is fixedly connected to the upper surface of the base 1 and the position right in front of the rotary shaft sleeve 2, a motor 24 is fixedly mounted on the front surface of the fixing plate 23, the output end of the motor 24 penetrates through the outer side wall of the fixing plate 23 and is fixedly connected with a drive bevel gear 25, the driven bevel gear 22 is meshed with the drive bevel gear 25, the motor 24 is started, the output end of the motor 24 drives the drive bevel gear 25 to rotate, the driven bevel gear 22 is driven to rotate, the rotary shaft 21 is driven to rotate, the top end of the rotary shaft 21 is rotatably connected with a mounting disc 26 through a bearing, a gear 27 is fixedly connected to the upper position of the surface of the rotary shaft 21, the gear 27 is meshed with a plurality of racks 28, each rack 28 is uniformly distributed around the axis of the gear 27, a plurality of first sliding grooves 29 which are uniformly distributed around the axis center are formed in the surface of the mounting disc 26, the racks 28 are fixedly connected with the clamping plates 211 through the sliding blocks 210, the first sliding grooves 29 are in sliding connection with the sliding blocks 210, clamping grooves 212 are formed in the side, relatively close to each clamping plate 211, of the mounting disc 26, a lens supporting block 213 is fixedly connected to the central position of the upper surface of the mounting disc 26, a limiting plate 214 is fixedly connected to the bottom surface of the mounting disc 26, a plurality of second sliding grooves 215 which are uniformly distributed around the axis center are formed in the upper surface of the limiting plate 214, each second sliding groove 215 is in sliding connection with the racks 28, a lens is placed above the lens supporting block 213, the rotation of the rotating shaft 21 drives the gear 27 to rotate, and the rotation of the gear 27 enables the racks 28 to move back and forth, the rack 28 drives the clamping plate 211 to slide back and forth along the first sliding groove 29 through the sliding block 210, the clamping plate 211 radially fixes the lenses, the lenses with different sizes can be clamped and fixed, the upper surface of the base 1 is fixedly connected with the mounting disc 26 through a plurality of supporting columns 216, each supporting column 216 is fixedly connected to the edge of the bottom surface of the mounting disc 26, and the supporting columns 216 enable the mounting disc 26 to be stably fixed on the base 1.

The rear end fixedly connected with backup pad 3 of base 1, the top fixedly connected with connecting plate 31 of backup pad 3, the upper surface of connecting plate 31 is located fixedly connected with electric putter 32 near front position department, electric putter's 32 output runs through the upper surface of connecting plate 31 and with clamp plate 33 fixed connection, clamp plate 33's bottom surface is provided with blotter 34, clamp plate 33 is located the installation disc 26 directly over, start electric putter 32, electric putter's 32 output drives clamp plate 33 and reciprocates, mutually support piece 213 carries out axial fixity to the lens with the lens, make the lens more stable fix in the mechanism, avoid appearing the circumstances of skew, blotter 34 plays the cushioning effect, prevent that clamp plate 33 from moving down fast, the circumstances of lens crushing.

The use principle of the mechanism is as follows: when in use, a lens is placed above the lens supporting block 213, then the motor 24 is started, the gears 27 are driven to rotate, meanwhile, the clamping plates 211 are made to be close to each other, the radial direction of the lens is clamped and fixed, then the electric push rod 32 is started, the pressing plate 33 is driven to move downwards, the axial direction of the lens is clamped and fixed under the interaction with the lens supporting block 213, and the whole fixing process is completed.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A lens fixing mechanism comprising a base (1), characterized in that: the upper surface of the base (1) is fixedly connected with a rotating shaft sleeve (2) at the central position, a rotating shaft (21) is rotatably connected in the rotating shaft sleeve (2) through a bearing, a driven bevel gear (22) is fixedly connected at the position, close to the lower surface, of the rotating shaft (21), a fixed plate (23) is fixedly connected at the position, right in front of the rotating shaft sleeve (2), of the upper surface of the base (1), a motor (24) is fixedly arranged at the front of the fixed plate (23), the output end of the motor (24) penetrates through the outer side wall of the fixed plate (23) and is fixedly connected with a driving bevel gear (25), the driven bevel gear (22) is meshed with the driving bevel gear (25), the top of the rotating shaft (21) is rotationally connected with the mounting disc (26) through a bearing, a gear (27) is fixedly connected to the upper position of the surface of the rotating shaft (21), the gear (27) is meshed with a plurality of racks (28), a plurality of first sliding grooves (29) uniformly distributed around the center of the shaft are formed in the surface of the mounting disc (26), the racks (28) are fixedly connected with the clamping plate (211) through a sliding block (210), a limiting plate (214) is fixedly connected to the bottom surface of the mounting disc (26), a plurality of second sliding grooves (215) uniformly distributed around the center of the shaft are formed in the upper surface of the limiting plate (214), the rear end fixedly connected with backup pad (3) of base (1), the top fixedly connected with connecting plate (31) of backup pad (3), the upper surface of connecting plate (31) is located fixedly connected with electric putter (32) near front position, the output of electric putter (32) runs through the upper surface of connecting plate (31) and with clamp plate (33) fixed connection.

2. A lens fixing mechanism according to claim 1, wherein: each rack (28) is uniformly distributed around the axis of the gear (27), and the first sliding groove (29) is in sliding connection with the sliding block (210).

3. A lens fixing mechanism according to claim 1, wherein: clamping grooves (212) are formed in one side, relatively close to each clamping plate (211), of each mounting disc (26), and a lens supporting block (213) is fixedly connected to the central position of the upper surface of each mounting disc.

4. A lens fixing mechanism according to claim 1, wherein: each second chute (215) is in sliding connection with a rack (28), the upper surface of the base (1) is fixedly connected with the mounting disc (26) through a plurality of support columns (216), and each support column (216) is fixedly connected to the edge of the bottom surface of the mounting disc (26).

5. A lens fixing mechanism according to claim 1, wherein: the bottom surface of clamp plate (33) is provided with blotter (34), clamp plate (33) are located directly over installation disc (26).