CN215986651U

CN215986651U - Diagonal fisheye optical lens

Info

Publication number: CN215986651U
Application number: CN202121800329.8U
Authority: CN
Inventors: 周雄琴; 陈柏年
Original assignee: Star Optical Shenzhen Co ltd
Current assignee: Star Optical Shenzhen Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-03-08
Anticipated expiration: 2031-08-03

Abstract

The utility model relates to the technical field of diagonal fisheye optical lenses, in particular to a diagonal fisheye optical lens, which comprises an optical lens main body, wherein the head of the optical lens main body is provided with a shell sleeve, two groups of rectangular grooves are symmetrically arranged in two sides in the shell sleeve, two groups of grooves are symmetrically arranged in the rectangular grooves, and a shielding mechanism with fixing and shielding functions is arranged in the shell sleeve; the pulley slides into another group of grooves with shallow groove depth, and under the action of the rebounding force of the spring, the guide pillar pulls the L-shaped rod, so that the gear rotates reversely, the baffle plate is tightly attached to the optical lens main body due to the reverse rotation of the gear, the friction force between the baffle plate and the optical lens main body is increased, the rectangular shell and the baffle plate are prevented from sliding out of the shell sleeve through the friction force, the shielding mechanism is simple and easy to operate, the shielding of the end part of the optical lens main body is realized, and the folding and unfolding are convenient.

Description

Diagonal fisheye optical lens

Technical Field

The utility model relates to the technical field of diagonal fisheye optical lenses, in particular to a diagonal fisheye optical lens.

Background

In recent years, since the fisheye lens has an advantage of an ultra-large field angle, the fisheye lens is widely used in fields such as VR (virtual reality) cameras, drone cameras, security surveillance cameras, and panoramic cameras, and particularly, in panoramic cameras, the fisheye lens is almost developed explosively in recent years. This undoubtedly stimulates a great demand for fish-eye lenses.

The utility model provides a diagonal fisheye optical lens, which is used for solving the problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a diagonal fisheye optical lens, which solves the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a diagonal fisheye optical lens comprises an optical lens body, wherein the head of the optical lens body is provided with a shell, two groups of rectangular grooves are symmetrically arranged in the shell at two sides, two groups of grooves are symmetrically arranged in the rectangular grooves, and a shielding mechanism with fixing and shielding functions is arranged in the shell;

the shielding mechanism comprises a rectangular shell, the rectangular shell is slidably connected with a shell sleeve, two groups of baffles are symmetrically arranged in the rectangular shell, the baffles are connected with a turnover mechanism, and the turnover mechanism is connected with a fixing mechanism.

Preferably, the turnover mechanism comprises a disc, a disc connecting shaft I, a connecting gear, a gear meshed with the L-shaped rod, a disc connected with the swing rod, and a baffle connected with one end of the swing rod.

Preferably, the fixing mechanism comprises a slide rail, the slide rail is located in the rectangular groove, the slide rail is connected with the slide plate in a sliding mode, a support is arranged on the slide plate, one end of the support is provided with a pulley, the other end of the support is symmetrically connected with two groups of guide pillars, springs are sleeved on the guide pillars, and one end of the slide plate is fixedly connected with the rectangular shell.

Preferably, two sets of bearings are symmetrically arranged at two ends of the shaft, and the bearings are embedded in the rectangular shell.

Preferably, one end of the guide post is provided with a vertical bearing, the vertical bearing is embedded into a support plate arranged on the sliding plate, and one end of the guide post penetrates through the vertical bearing to be connected with the L-shaped rod.

Preferably, two sets of round pin axles of pulley bilateral symmetry connection, round pin axle one end sets up the bearing, and the bearing embedding support, pulley roll connection rectangular channel.

Preferably, two sets of grooves are parallel to the pulley, and the two sets of grooves are different in groove depth.

Compared with the prior art, the utility model has the beneficial effects that:

1. the rectangular shell is pushed, the rectangular shell slides into the shell sleeve under the matching action of the sliding plate and the sliding rail, meanwhile, the pulley slides out of a deeper groove and is extruded, the pulley pushes the support, the support moves linearly under the matching action of the guide pillar and the vertical bearing, the spring is compressed, the guide pillar pushes the L-shaped rod to move, the gear rotates due to the movement of the L-shaped rod, the gear rotates the disc through the first shaft, the disc enables the baffle to turn over through the swing rod, the baffle is tightly attached to the inner wall of the rectangular shell, and the baffle slides into a space between the rectangular shell and the optical lens main body along with the movement of the rectangular shell;

2. the pulley slides into another group of grooves with shallow groove depth, under the action of the rebounding force of the spring, the guide post pulls the L-shaped rod, so that the gear rotates reversely, the reverse rotation of the gear enables the baffle to be tightly attached to the optical lens main body, and the friction force between the baffle and the optical lens main body is increased.

Drawings

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

FIG. 2 is a side cross-sectional view of the structure of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. an optical lens body; 2. a shell; 3. a rectangular groove; 4. a groove; 5. a shielding mechanism; 501. a baffle plate; 502. a rectangular housing; 503. a turnover mechanism; 504. a fixing mechanism; 5031. an L-shaped rod; 5032. a disc; 5033. a gear; 5034. a first shaft; 5035. a swing rod; 5041. a pulley; 5042. a support; 5043. a spring; 5044. a guide post; 5045. a slide rail; 5046. a slide board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a diagonal fisheye optical lens comprises an optical lens body 1, a shell 2 is arranged at the head of the optical lens body 1, two groups of rectangular grooves 3 are symmetrically arranged in two sides of the shell 2, two groups of grooves 4 are symmetrically arranged in the rectangular grooves 3, a shielding mechanism 5 with fixing and shielding functions is arranged in the shell 2, the shielding mechanism 5 comprises a rectangular shell 502, the rectangular shell 502 is connected with the shell 2 in a sliding manner, two groups of baffles 501 are symmetrically arranged in the rectangular shell 502, the baffles 501 are connected with a turnover mechanism 503, the turnover mechanism 503 is connected with a fixing mechanism 504, the turnover mechanism 503 comprises a disc 5032, the disc 5032 is connected with a shaft 5034, the shaft 5034 is connected with a gear 5033, the gear 5033 is meshed with an L-shaped rod 5031, the disc 5032 is connected with a swinging rod 5035, one end of the swinging rod 5035 is connected with the baffles 501, the fixing mechanism 504 comprises a sliding rail 5045, the sliding rail 5045 is positioned in the rectangular groove 3, the sliding rail 5045 is connected with a sliding plate 5046 in a sliding manner, a bracket 5042 is arranged on the sliding plate 5046, one end of a bracket 5042 is provided with a pulley 5041, the other end of the bracket 5042 is symmetrically connected with two groups of guide posts 5044, the guide posts 5044 are sleeved with a spring 5043, one end of a sliding plate 5046 is fixedly connected with the rectangular shell 502, two ends of a shaft 5034 are symmetrically provided with two groups of bearings, the bearings are embedded into the rectangular shell 502, one end of each guide post 5044 is provided with a vertical bearing, the vertical bearing is embedded into a support plate arranged on the sliding plate 5046, one end of each guide post 5044 passes through the vertical bearing to be connected with an L-shaped rod 5031, two sides of each pulley 5041 are symmetrically connected with two groups of pins, one end of each pin is provided with a bearing, the bearings are embedded into the bracket 5042, each pulley 5041 is connected with a rectangular groove 3 in a rolling manner, two groups of grooves 4 are parallel to each pulley 5041, the grooves 4 of the two groups of grooves are different in depth, the groove depth close to the shell 2 is larger than the other group of grooves 4, wherein the distance between the rectangular shell 502 and the optical lens body 1 is slightly larger than the thickness of the baffle 501, when the optical lens body 1 is used, the rectangular shell 502 is pushed, the rectangular housing 502 slides into the housing 2 under the action of the sliding plate 5046 and the sliding rail 5045, the pulley 5041 slides out of the deeper groove 4, the pulley 5041 is pressed, the pulley 5041 pushes the bracket 5042, the bracket 5042 moves linearly under the action of the guide post 5044 and the upright bearing, and compresses the spring 5043, the guide post 5044 pushes the L-shaped rod 5031 to move, the L-shaped rod 5031 moves to rotate the gear 5033, the gear 5033 rotates the disc 5032 through the shaft 5034, the disc 5032 turns the baffle 501 by 90 degrees through the swinging rod 5035, the baffle 501 is tightly attached to the inner wall of the rectangular housing 502, as the rectangular housing 502 moves, the baffle 501 slides into between the rectangular housing 502 and the optical lens body 1 until the pulley 5041 slides into the other set of shallower groove 4, the guide post 50344 pulls the L-shaped rod 5031 under the action of the counter-spring 5043, thereby the gear 5033 reverses, the reverse rotation of the gear 5033 tightly attaches the baffle 50501 to the optical lens body 1, the friction between the baffle 501 and the optical lens body 1 is increased, the rectangular shell 502 and the baffle 501 are prevented from sliding out of the shell 2 through the friction, the shielding mechanism 5 is simple and easy to operate, shielding of the end of the optical lens body 1 is achieved, and meanwhile retraction and release are facilitated.

The working principle is as follows: in use, when the optical lens body 1 is used, the rectangular housing 502 is pushed, the rectangular housing 502 slides into the housing 2 under the matching action of the sliding plate 5046 and the sliding rail 5045, the pulley 5041 slides out of the deeper groove 4, the pulley 5041 is pressed, the bracket 5042 is pushed by the pulley 5041, the bracket 5042 moves linearly under the matching action of the guide post 5044 and the upright bearing, the spring 5043 is compressed, the guide post 5044 pushes the L-shaped rod 5031 to move, the L-shaped rod 5031 moves to rotate the gear 5033, the gear 5033 rotates the disc 5032 through the shaft 5034, the disc 5032 turns the baffle 501 through the oscillating bar 5035 to 90 degrees, and the baffle 501 abuts against the inner wall of the rectangular housing 502, as the rectangular housing 502 moves, the baffle 501 slides between the rectangular housing 502 and the optical lens body 1 until the pulley 5041 slides into the shallower groove 4, the guide post 5044 pulls the L-shaped rod 5031 under the counter-elastic force of the spring 5043, the gear 5033 is thereby reversed, and the reverse rotation of the gear 5033 causes the baffle 501 to be in close contact with the optical lens body 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a diagonal fisheye optical lens, includes optical lens main part (1), optical lens main part (1) head sets up shell (2), two sets of rectangular channel (3) are built-in to bilateral symmetry in shell (2), the symmetry sets up two sets of recess (4) in rectangular channel (3), its characterized in that: a shielding mechanism (5) with fixing and shielding functions is arranged in the shell sleeve (2);

the shielding mechanism (5) comprises a rectangular shell (502), the rectangular shell (502) is connected with the shell sleeve (2) in a sliding mode, two groups of baffles (501) are symmetrically arranged in the rectangular shell (502), the baffles (501) are connected with a turnover mechanism (503), and the turnover mechanism (503) is connected with a fixing mechanism (504).

2. The diagonal fisheye optical lens of claim 1, wherein: the turnover mechanism (503) comprises a disc (5032), the disc (5032) is connected with a first shaft (5034), the first shaft (5034) is connected with a gear (5033), the gear (5033) is meshed with an L-shaped rod (5031), the disc (5032) is connected with a swing rod (5035), and one end of the swing rod (5035) is connected with a baffle (501).

3. The diagonal fisheye optical lens of claim 1, wherein: fixing mechanism (504) includes slide rail (5045), slide rail (5045) are located rectangular channel (3), slide rail (5045) sliding connection slide plate (5046), set up support (5042) on slide plate (5046), support (5042) one end sets up pulley (5041), two sets of guide pillar (5044) of support (5042) other end symmetric connection, spring (5043) are established to the cover on guide pillar (5044), slide plate (5046) one end fixed connection rectangle casing (502).

4. The diagonal fisheye optical lens of claim 2, wherein: two groups of bearings are symmetrically arranged at two ends of the first shaft (5034), and the bearings are embedded into the rectangular shell (502).

5. A diagonal fish-eye optical lens according to claim 3, wherein: one end of the guide post (5044) is provided with an upright bearing, the upright bearing is embedded into a support plate arranged on the sliding plate (5046), and one end of the guide post (5044) passes through the upright bearing to be connected with the L-shaped rod (5031).

6. A diagonal fish-eye optical lens according to claim 3, wherein: two sets of round pins of pulley (5041) bilateral symmetry connection, round pin axle one end sets up the bearing, bearing embedding support (5042), pulley (5041) roll connection rectangular channel (3).

7. The diagonal fisheye optical lens of claim 1, wherein: two sets of recess (4) are parallel with pulley (5041), and two sets of recess (4) groove depth differs.