CN207440364U - A kind of continuous vari-focus infrared lens - Google Patents

Abstract

The utility model discloses a continuous zoom infrared lens, which comprises an outer ring, a first zoom cylinder, a second zoom cylinder, a first rotating gear ring, a second rotating gear ring, a first adjusting slide groove, and a second adjusting slide Slot, infrared lens, suit bin, first zoom block, second zoom block, connecting wire, screw thread, first inner chute, barrel, second inner chute, zoom lens, sliding column, card slide, fixing frame , card chute and internal thread; the beneficial effect of the utility model is: by rotating the first rotating ring gear, the installation position of the second zoom block inside the lens can be changed through the thread, so that the first, second The position of the zoom block can be changed, and people can move the positions of the first and second zoom blocks back and forth respectively by sliding the sliding column in the first and second adjustment chute, so that the working distance of the two zoom blocks can be changed. While the lens can zoom continuously, it also makes the zooming of the lens more precise; the lens is easy to use, and the components are connected flexibly.

Description

A continuous zoom infrared lens

technical field

The utility model relates to an infrared lens, in particular to a continuous zoom infrared lens, which belongs to the technical field of application of camera accessories.

Background technique

Lens is an indispensable accessory for digital cameras. Digital cameras capture images through lenses. Infrared lenses are a new type of lens in recent years. Infrared lenses have high imaging accuracy and fast focusing response speed, making Digital cameras are more clear.

There are still many deficiencies in the current infrared lens. The existing infrared lens cannot zoom continuously, and the zoom range of the lens is small. When zooming, the accuracy and definition of the lens are poor, and the efficiency of the lens is low. The speed is slow, and the installation, use or disassembly of the lens is very complicated and difficult.

Utility model content

The purpose of this utility model is to provide a continuous zoom infrared lens in order to solve the above problems.

The utility model achieves the above object through the following technical solutions. A continuous zoom infrared lens includes an outer ring, a first zoom barrel, a second zoom barrel, a first zoom block and a second zoom block, and the first zoom barrel cover It is arranged inside the outer ring, the second zoom tube is sleeved inside the first zoom tube, and the first zoom block and the second zoom block are both sleeved inside the second zoom tube, and the outer ring is sleeved There is a first rotating ring gear to facilitate the movement of the second zoom cylinder, and a second rotating ring gear is provided on one side of the first rotating ring to facilitate the movement of the first zoom cylinder. The ring is provided with a first adjusting chute, and one side of the first adjusting chute is provided with a second adjusting chute;

One end of the second zoom tube is provided with an infrared lens, and a set compartment is set inside the second zoom tube, the first zoom block and the second zoom block are installed inside the set compartment, and the second The outer wall of the zoom barrel is provided with threads, and the outer ring of the second zoom barrel is provided with a first inner chute; the inside of the first zoom barrel is provided with a barrel matching the second zoom barrel, and the The outer ring of the first zoom cylinder is provided with a second inner chute; the upper part of the first zoom block is provided with a zoom lens, and the side wall of the outer ring of the first zoom block is provided with a sliding column, and both sides of the sliding column are A sliding piece is provided, and four fixing brackets are provided on the side wall of the first zoom block.

Preferably, wires are provided on both sides of one end inside the outer ring, and both the first rotating ring gear and the second rotating ring gear pass through the outer wall of the outer ring.

Preferably, the second sliding groove is provided with a locking sliding groove matching the sliding piece, and the sliding column passes through the first inner sliding groove and the second inner sliding groove.

Preferably, the first rotary ring gear is provided with internal threads, and the internal threads match the second zoom barrel.

Preferably, the four fixing brackets are distributed at equal intervals, and the first zoom block is connected and fixed to the second zoom barrel through the fixing brackets.

Preferably, the first zoom block has a cylindrical structure with a large diameter at one end and a small diameter at the other end, and the zoom lens has an arc-shaped structure.

Preferably, the first rotating ring gear and the second rotating ring gear are arranged in parallel.

Preferably, the two sliding pieces are arranged symmetrically.

The beneficial effects of the utility model are: the lens performs imaging through the projection of the zoom lenses in the first and second zoom blocks, and performs real-time zooming by changing the working distance of the first and second zoom blocks, and cooperates with changing the first and second zoom blocks. The position of the second zoom barrel inside the lens changes the working positions of the first and second zoom blocks to assist in zooming. The first and second rotating ring gears are placed on the outer ring, and the first rotating ring gear The inner thread of the second rotating ring gear matches the thread on the second zoom barrel, and the inner thread of the second rotating ring gear matches the thread on the first zoom barrel. By rotating the first rotating ring gear, the second rotating ring gear can be changed through the thread The installation position of the second zoom block inside the lens, so that the positions of the first and second zoom blocks can be changed. Similarly, the first zoom tube can also move back and forth in the lens, and the lens expands the adjustable range of the zoom block. range, cooperate with people to move the positions of the first and second zoom blocks back and forth respectively by sliding the sliding column in the first and second adjustment chute, so as to change the working distance between the two zoom blocks, and ensure that the lens can zoom continuously At the same time, the zooming of the lens is more accurate and efficient; the lens is very convenient to install, use, disassemble, and maintain; the lens is easy to use, and the connections of various components are flexible.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is a sectional view of the utility model;

Fig. 3 is a schematic structural diagram of the second zoom barrel of the present invention;

Fig. 4 is a schematic structural diagram of the first zoom tube of the present invention;

Fig. 5 is a schematic structural diagram of the first zoom block of the present invention;

Fig. 6 is an enlarged schematic diagram of the detail of area A in Fig. 1 of the present utility model;

Fig. 7 is a schematic diagram of the structure of the first rotary ring gear of the present invention;

Fig. 8 is a schematic diagram of the structure of the second rotating ring gear of the present invention.

In the figure: 1, the outer ring; 2, the first zoom barrel; 3, the second zoom barrel; 4, the first rotating ring gear; 5, the second rotating ring gear; 6, the first adjusting chute; 7, The second adjustment chute; 8. Infrared lens; 9. Set compartment; 10. The first zoom block; 11. The second zoom block; 12. Connecting wires; 13. Thread; 14. The first inner chute; 15. Install 16, the second inner chute; 17, the zoom lens; 18, the sliding column; 19, the card slide; 20, the fixed frame; 21, the card chute;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Example: Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

Please refer to Figures 1-8, a continuous zoom infrared lens, including an outer ring 1, a first zoom tube 2, a second zoom tube 3, a first zoom block 10 and a second zoom block 11, the first zoom tube 2 Set inside the outer ring 1, the second zoom tube 3 is set inside the first zoom tube 2, and the first zoom block 10 and the second zoom block 11 are both set inside the second zoom tube 3, on the outer ring 1 A first rotating ring gear 4 is set to facilitate the activities of the second zoom tube 3, and a second rotating ring gear 5 is provided on one side of the first rotating ring 4 to facilitate the activities of the first zoom tube 2. The outer ring 1 The ring is provided with a first adjusting chute 6, and one side of the first adjusting chute 6 is provided with a second adjusting chute 7;

One end of the second zoom tube 3 is provided with an infrared lens 8, and the inside of the second zoom tube 3 is provided with a suit bin 9, the first zoom block 10 and the second zoom block 11 are installed inside the suit bin 9, and the second zoom tube 3 The outer wall is provided with a thread 13, and the outer ring of the second zoom tube 3 is provided with a first inner chute 14; the inside of the first zoom tube 2 is provided with a tube 15 that matches the second zoom tube 3, and the first zoom tube 2. The outer ring is provided with a second inner chute 16; the first zoom block 10 is provided with a zoom lens 17 above the inside, and the side wall of the outer ring of the first zoom block 10 is provided with a sliding column 18, and both sides of the sliding column 18 are provided with a card. slide piece 19 , and four fixing brackets 20 are provided on the side wall of the first zoom block 10 .

As a technical optimization scheme of the present invention, both sides of one end of the outer ring 1 are provided with connecting wires 12 , and the first rotating ring gear 4 and the second rotating ring gear 5 both penetrate the outer wall of the outer ring 1 .

As a technical optimization scheme of the present utility model, the inside of the second adjusting chute 7 is provided with a card chute 21 that matches the card sliding piece 19, and the sliding column 18 runs through the first inner chute 14 and the second inner chute 16.

As a technical optimization solution of the present invention, an internal thread 22 is provided inside the first rotating ring gear 4 , and the internal thread 22 is matched with the second zoom barrel 3 .

As a technical optimization solution of the present invention, the four fixing frames 20 are distributed at equal intervals, and the first zoom block 10 is connected and fixed to the second zoom tube 3 through the fixing frames 20 .

As a technical optimization solution of the present invention, the first zoom block 10 has a cylindrical structure with a large diameter at one end and a small diameter at the other end, and the zoom lens 17 is an arc-shaped structure.

As a technical optimization solution of the present invention, the first rotating ring gear 4 and the second rotating ring gear 5 are arranged in parallel.

As a technical optimization solution of the present invention, the two card sliding pieces 19 are arranged symmetrically.

When the utility model is in use, at first, the position of the whole continuous zoom infrared lens is fixed, and secondly, when using the lens, imaging is carried out through the projection of the zoom lens 17 in the first zoom block 10 and the second zoom block 11, by changing the first The first zoom block 10 and the working distance of the second zoom block 11 are used for real-time zooming, and the positions of the first zoom tube 2 and the second zoom tube 3 are changed in cooperation with the lens, thereby changing the first zoom block 10 and the second zoom block. The working position of the block 11 is used to assist in zooming. The first rotating ring gear 4 and the second rotating ring gear 5 are placed on the outer ring 1. The internal thread 22 of the first rotating ring gear 4 and the second zoom barrel The thread 13 on the 3 is matched, and the internal thread 22 of the second rotating ring gear 5 is matched with the thread 13 on the first zoom barrel 2. By rotating the first rotating ring gear 4, the thread 13 can be used to change the second The installation position of the second zoom block 11 inside the lens, so that the positions of the first zoom block 11 and the second zoom block 10 can be changed. Similarly, the first zoom tube 2 can also move forward and backward in the lens, and the lens enlarges The adjustable range of the zoom block is adjusted, and people move the positions of the first zoom block 10 and the second zoom block 11 forward and backward respectively by sliding the sliding column 18 in the first adjusting chute 6 and the second adjusting chute 7, so that the two The working distance of the zoom block is changed, while ensuring that the lens can zoom continuously, it also makes the zooming of the lens more accurate and efficient.

For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model; therefore , no matter from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalent elements are embraced in the present invention; any reference sign in a claim should not be construed as limiting the claim involved.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (8)

1. A continuous zoom infrared lens, comprising an outer ring (1), the first zoom tube (2), the second zoom tube (3), the first zoom block (10) and the second zoom block (11), its feature In that: the first zoom tube (2) is sleeved inside the outer ring (1), the second zoom tube (3) is sleeved inside the first zoom tube (2), and the first zoom block ( 10) and the second zoom block (11) are both sleeved inside the second zoom tube (3), and the outer ring (1) is sleeved with a first rotating shaft that facilitates the movement of the second zoom tube (3). ring gear (4), and the first rotating ring gear (4) is provided with a second rotating ring gear (5) to facilitate the movement of the first zoom barrel (2), and the outer ring (1 ) the outer ring is provided with a first adjusting chute (6), and one side of the first adjusting chute (6) is provided with a second adjusting chute (7); One end of the second zoom tube (3) is provided with an infrared lens (8), and the inside of the second zoom tube (3) is provided with a suit compartment (9), and the first zoom block (10) and the second zoom block The blocks (11) are all installed inside the suit chamber (9), and the outer wall of the second zoom tube (3) is provided with threads (13), and the outer ring of the second zoom tube (3) is provided with a second One inner chute (14); The inside of the first zoom barrel (2) is provided with a barrel (15) that matches the second zoom barrel (3), and the outer ring of the first zoom barrel (2) is provided with a second inner chute (16); A zoom lens (17) is arranged above the inside of the first zoom block (10), and a sliding column (18) is provided on the outer side wall of the first zoom block (10), and the two sides of the sliding column (18) All are provided with a sliding piece (19), and the side wall of the first zoom block (10) is provided with four fixing brackets (20). 2. A kind of continuous zoom infrared lens according to claim 1, characterized in that: both sides of one end of the outer ring (1) are provided with connecting wires (12), and the first rotating ring gear (4 ) and the second rotating ring gear (5) both pass through the outer wall of the outer ring (1). 3. A kind of continuous zoom infrared lens according to claim 1, characterized in that: the inside of the second adjusting chute (7) is provided with a card chute (21) matching the card slide (19), And the sliding post (18) runs through the first inner chute (14) and the second inner chute (16). 4. A continuous zoom infrared lens according to claim 1, characterized in that: said first rotating ring gear (4) is internally provided with an internal thread (22), and said internal thread (22) is connected to the first The two zoom tubes (3) are matched. 5. According to claim 1 or the described a kind of continuous zoom infrared lens, it is characterized in that: four described fixed mounts (20) are distributed at equal intervals, and the first zoom block (10) passes through the fixed mounts (20) ) is connected and fixed with the second zoom tube (3). 6. A kind of continuous zoom infrared lens according to claim 1, characterized in that: the first zoom block (10) is a cylindrical structure with a large diameter at one end and a small diameter at the other end, and the zoom lens (17) It is a circular arc structure. 7. A continuous zoom infrared lens according to claim 1, characterized in that: the first rotating ring gear (4) and the second rotating ring gear (5) are arranged in parallel. 8. A continuous zoom infrared lens according to claim 1, characterized in that: the two locking slides (19) are arranged symmetrically.