Electric focusing device

Abstract

The utility model discloses an electric focusing device which comprises a lens body, a mounting ring is sleeved on the outer wall of the lens body, a mounting groove is dug in the mounting ring, a brake mechanism is connected in the mounting groove through a bearing, the front surface of the brake mechanism is connected with a starting mechanism through teeth, the bottom of the starting mechanism is connected with a driving mechanism, and the driving mechanism is connected with the lens body. The driving mechanism is arranged on the front surface of the lens body through a plurality of mounting pieces, the top surface of the braking mechanism is connected with an adjusting mechanism, the braking mechanism comprises a braking ring and braking teeth, and the braking ring is arranged in an inner cavity of a mounting groove and connected through a bearing. Under the driving of the driving motor, the gear end rotates, the plurality of gears are connected and driven through teeth, then the adjusting rod and the adjusting ring rotate, the adjusting ring drives parts on the lens to focus, an electric mode is adopted, time and labor are saved, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lens auxiliary equipment, in particular to an electric focusing device. Background Art

[0002] Focusing is the process of controlling a beam of light or a stream of particles so that they converge as closely as possible to a single point.

[0003] When focusing the lens, a manual method is often used. This method requires repeated adjustments and is time-consuming and labor-intensive, reducing practicality.

[0004] In view of this, an electric focusing device is provided to overcome the above-mentioned defects. Utility Model Content

[0005] In view of the problems in the related art, the utility model proposes an electric focusing device to overcome the above technical problems existing in the existing related art.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] An electric focusing device comprises a lens body, wherein the outer wall of the lens body is sleeved with a mounting ring, a mounting groove is dug in the mounting ring, a braking mechanism is connected in the mounting groove via a bearing, a starting mechanism is connected to the front surface of the braking mechanism via teeth, a driving mechanism is connected to the bottom of the starting mechanism, and the driving mechanism is arranged on the front surface of the lens body via a plurality of mounting parts, and an adjusting mechanism is connected to the top surface of the braking mechanism.

[0008] Preferably, the braking mechanism comprises a braking ring and braking teeth, wherein the braking ring is arranged in the inner cavity of the mounting groove and connected via a bearing, and a plurality of braking teeth are annularly arranged on the outer wall of the braking ring.

[0009] Preferably, a first opening is formed in an annular shape on the outer wall of the mounting ring, and a second opening is formed in an annular shape on the top surface of the mounting ring, and both the first opening and the second opening are connected to the mounting groove.

[0010] Preferably, the driving mechanism comprises a driving motor and a driving shaft, the driving motor is arranged on the front surface of the lens body through a plurality of mounting parts, and the top of the driving motor is connected to the driving shaft.

[0011] Preferably, the starting mechanism comprises a starting ring and starting teeth, the starting ring is sleeved on the outer wall of the driving shaft, and the outer wall of the starting ring is annularly provided with a plurality of starting teeth.

[0012] Preferably, the starting ring extends into the mounting groove through the first opening, and the starting teeth are connected to the braking teeth by teeth.

[0013] Preferably, the adjustment mechanism includes an adjustment rod and an adjustment ring, the adjustment rod is fixedly arranged on the top surface of the brake ring, and the top of the adjustment rod extends a mounting groove through the first opening, the top of the adjustment rod is fixedly connected to the adjustment ring, and the adjustment ring is sleeved on the outer wall of the lens body.

[0014] This utility model has the following beneficial effects:

[0015] Compared with the prior art, the electric focusing device in this case adopts an electric method for lens focusing. The gear end rotates under the drive of the driving motor, and the multiple gears are driven by the tooth connection. Then the adjusting rod and the adjusting ring rotate, and the adjusting ring drives the components on the lens to focus. The electric method saves time and effort and improves practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the main structure of an electric focusing device according to an embodiment of the utility model;

[0018] Figure 2 It is a schematic diagram of the disassembly of a mounting ring and the structure thereon of an electric focusing device according to an embodiment of the utility model;

[0019] Figure 3 It is an enlarged schematic diagram of the structure at position A of an electric focusing device according to an embodiment of the utility model;

[0020] Figure 4 It is an enlarged schematic diagram of the structure at position B of an electric focusing device according to an embodiment of the utility model.

[0021] In the figure:

[0022] 1. Lens body; 2. Mounting ring; 3. Mounting groove; 4. Braking mechanism; 5. Starting mechanism; 6. Driving mechanism; 7. Mounting piece; 8. Adjusting mechanism; 9. Braking ring; 10. Braking teeth; 11. First opening; 12. Second opening; 13. Driving motor; 14. Driving shaft; 15. Starting ring; 16. Starting teeth; 17. Adjusting rod; 18. Adjusting ring. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the practical embodiment clearer, the technical solutions in the embodiment will be clearly and completely described below in conjunction with the drawings in the practical embodiment. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0025] In the description of this utility, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this utility can be understood according to specific circumstances.

[0026] Example

[0027] like Figure 1-4 As shown, an electric focusing device according to an embodiment of the utility model comprises a lens body 1, an outer wall of the lens body 1 is sleeved with a mounting ring 2, a mounting groove 3 is dug in the mounting ring 2, a braking mechanism 4 is connected to the mounting groove 3 through a bearing, a starting mechanism 5 is connected to the front surface of the braking mechanism 4 through teeth, a driving mechanism 6 is connected to the bottom of the starting mechanism 5, and the driving mechanism 6 is arranged on the front surface of the lens body 1 through a plurality of mounting members 7, and an adjusting mechanism 8 is connected to the top surface of the braking mechanism 4; components in the driving mechanism 6 are started and adjusted, and the components in the starting mechanism 5 are adjusted, and the components in the starting mechanism 5 are adjusted with the components in the braking mechanism 4 through teeth connection, and the components in the braking mechanism 4 are connected to the mounting groove 3 by bearings, so that the components in the braking mechanism 4 rotate under the drive, and are adjusted with the components in the adjusting mechanism 8, and the components in the adjusting mechanism 8 are sleeved on the outer wall of the lens body 1, so that the components on the lens body 1 can be focused.

[0028] The brake mechanism 4 includes a brake ring 9 and brake teeth 10. The brake ring 9 is arranged in the inner cavity of the mounting groove 3 and connected through a bearing. The outer wall of the brake ring 9 is annularly provided with a plurality of brake teeth 10.

[0029] The outer wall of the mounting ring 2 is provided with a first opening 11 in a circular shape, and the top surface of the mounting ring 2 is provided with a second opening 12 in a circular shape, and both the first opening 11 and the second opening 12 are communicated with the mounting groove 3. The driving mechanism 6 includes a driving motor 13 and a driving shaft 14. The driving motor 13 is arranged on the front surface of the lens body 1 through a plurality of mounting parts 7, and the top of the driving motor 13 is connected to the driving shaft 14. The driving motor 13 is started by an external switch, and the driving shaft 14 on the top of the driving motor 13 is driven and rotated, and the starting ring 15 sleeved on the outer wall of the driving shaft 14 is driven and rotated.

[0030] The starting mechanism 5 includes a starting ring 15 and a starting tooth 16. The starting ring 15 is sleeved on the outer wall of the driving shaft 14. The outer wall of the starting ring 15 is annularly provided with a plurality of starting teeth 16. The starting ring 15 extends into the mounting groove 3 through the first opening 11, and the starting teeth 16 are connected to the braking teeth 10 by teeth. The outer wall of the starting ring 15 is driven by the starting teeth 16 and the braking teeth 10 through the tooth connection, so that the brake ring 9 located in the mounting groove 3 rotates.

[0031] The adjusting mechanism 8 includes an adjusting rod 17 and an adjusting ring 18. The adjusting rod 17 is fixedly arranged on the top surface of the brake ring 9, and the top of the adjusting rod 17 extends out of the mounting groove 3 through the first opening 11. The top of the adjusting rod 17 is fixedly connected with an adjusting ring 18, and the adjusting ring 18 is sleeved on the outer wall of the lens body 1; when the brake ring 9 rotates, the brake ring 9 rotates with the adjusting rod 17 fixedly connected to the top and the adjusting ring 18 fixedly connected to the top of the adjusting rod 17, and the adjusting ring 18 is sleeved on the outer wall of the lens body 1, so that the components on the lens body 1 can be focused.

[0032] In summary, with the help of the above-mentioned technical solution of the utility model, when this device is in use, the driving motor 13 is started by an external switch, the driving shaft 14 on the top of the driving motor 13 is driven and rotated, the starting ring 15 sleeved on the outer wall of the driving shaft 14 is driven and rotated, and the outer wall of the starting ring 15 is driven by the starting teeth 16 and the braking teeth 10 through the tooth connection, so that the brake ring 9 located in the mounting groove 3 rotates, and the brake ring 9 rotates with the adjusting rod 17 fixedly connected to the top and the adjusting ring 18 fixedly connected to the top of the adjusting rod 17, and the adjusting ring 18 is sleeved on the outer wall of the lens body 1, so that the components on the lens body 1 can be focused.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric focusing device, characterized in that: The invention comprises a lens body (1), wherein the outer wall of the lens body (1) is sleeved with a mounting ring (2), a mounting groove (3) is excavated in the mounting ring (2), a braking mechanism (4) is connected in the mounting groove (3) via a bearing, a starting mechanism (5) is connected on the front surface of the braking mechanism (4) via teeth, a driving mechanism (6) is connected at the bottom of the starting mechanism (5), and the driving mechanism (6) is arranged on the front surface of the lens body (1) via a plurality of mounting parts (7), and an adjusting mechanism (8) is connected on the top surface of the braking mechanism (4).

2. An electric focusing device according to claim 1, characterized in that: The braking mechanism (4) comprises a braking ring (9) and braking teeth (10); the braking ring (9) is arranged in the inner cavity of the mounting groove (3) and connected via a bearing; and a plurality of braking teeth (10) are arranged in an annular shape on the outer wall of the braking ring (9).

3. An electric focusing device according to claim 2, characterized in that: The outer wall of the mounting ring (2) is provided with a first opening (11) in an annular shape, and the top surface of the mounting ring (2) is provided with a second opening (12) in an annular shape, and both the first opening (11) and the second opening (12) are in communication with the mounting groove (3).

4. The electric focusing device according to claim 3, characterized in that: The driving mechanism (6) comprises a driving motor (13) and a driving shaft (14); the driving motor (13) is arranged on the front surface of the lens body (1) via a plurality of mounting members (7); and the top of the driving motor (13) is connected to the driving shaft (14).

5. The electric focusing device according to claim 4, characterized in that: The starting mechanism (5) comprises a starting ring (15) and starting teeth (16); the starting ring (15) is sleeved on the outer wall of the driving shaft (14); and the outer wall of the starting ring (15) is provided with a plurality of starting teeth (16) in an annular shape.

6. The electric focusing device according to claim 5, characterized in that: The starting ring (15) extends into the mounting groove (3) through the first opening (11), and the starting teeth (16) and the braking teeth (10) are connected by teeth.

7. An electric focusing device according to claim 6, characterized in that: The adjusting mechanism (8) comprises an adjusting rod (17) and an adjusting ring (18); the adjusting rod (17) is fixedly arranged on the top surface of the brake ring (9); the top of the adjusting rod (17) extends out of the mounting groove (3) through the first opening (11); the top of the adjusting rod (17) is fixedly connected to the adjusting ring (18); and the adjusting ring (18) is sleeved on the outer wall of the lens body (1).

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