Composite zoom lens

Abstract

A composite zoom lens comprises a zoom mechanism and a rotating mechanism, the zoom mechanism is composed of an observation cylinder, a telescopic cylinder, a fixing groove, a scale bar, a fastening bolt, a mounting hole and a spring limiting rod, and the rotating mechanism is arranged on the lower side of the telescopic cylinder of the zoom mechanism. The rotating mechanism is composed of a mounting support, a rotating support, a lens body, a dustproof cover, a limiting groove and an LED lamp bead. According to the utility model, the rotating mechanism is arranged, the mechanism is provided with different lens groups, a user can replace the lens groups according to different use scenes, the user only needs to rotate the rotating bracket during replacement, and when the lens body rotates to the lower side of the zooming mechanism, the rotating ball on the lower side of the spring limiting rod is connected with the limiting groove on the lens body, so that the lens body can be conveniently replaced. Therefore, clamping of the equipment is completed, and user operation is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of lenses, in particular to a composite zoom lens. Background Art

[0002] Lenses have been widely used in optical test equipment, optical communications, optical information processing, etc. Liquid lenses, microlenses, and microlens arrays have been widely used in optical test equipment, optical communications, and optical information processing, etc.

[0003] According to the Chinese patent number: CN 218240528 U, a variable focus lens assembly is disclosed, including: a housing, the housing including a first connection end for connecting to a light source and a second connection end for connecting to a light shield; a first lens is fixed in the hollow inner cavity of the housing near the first connection end; a second lens is fixed to the second connection end; the first lens and the second lens are coaxially arranged, and the size of the first lens is smaller than that of the second lens; a light shield, the light shield and the second connection end are detachably connected. The two lenses are provided to improve the light utilization rate and further improve the focusing effect; a light shield is provided at the second connection end of the housing where light comes out, which improves the focusing effect; in addition, the housing can be extended and retracted in the axial direction, which facilitates focusing and improves portability.

[0004] However, when using the existing zoom lens, the user needs to replace different lens components according to different usage scenarios to achieve the best effect, but the traditional replacement method is too complicated, causing inconvenience to the user. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the problem that during the use of the existing zoom lens, the user needs to replace different lens components according to different usage scenarios to achieve the best effect, but the traditional replacement method is too complicated, causing inconvenience to the user.

[0006] The technical solution adopted to solve the above technical problems is:

[0007] A composite zoom lens comprises a zoom mechanism and a rotation mechanism, wherein the zoom mechanism consists of an observation tube, a telescopic tube, a fixing groove, a scale bar, a fastening bolt, a mounting hole and a spring limiting rod, and a rotating mechanism is arranged on the lower side of the telescopic tube of the zoom mechanism, and the rotating mechanism consists of a mounting bracket, a rotating bracket, a lens body, a dust cover, a limiting groove and an LED lamp bead.

[0008] As a preferred technical solution of the utility model, a telescopic tube is provided at the lower side of the observation tube of the zoom mechanism, a first lens is provided at the upper side of the observation tube, the observation tube is coaxially matched with the telescopic tube, and a fixing groove is provided on the observation tube.

[0009] As a preferred technical solution of the utility model, a scale bar is provided on the fixing groove, and the user can observe the telescopic length of the telescopic tube through the scale bar. The telescopic tube and the observation tube are connected by fastening bolts, which is convenient for the user to achieve telescopic zoom.

[0010] As a preferred technical solution of the utility model, a mounting hole is provided on the lower side of the telescopic cylinder, the number of the mounting holes is two, a spring limiting rod is provided inside the mounting hole, and a rotating ball is provided on the lower side of the spring limiting rod.

[0011] As a preferred technical solution of the utility model, the mounting bracket of the rotating mechanism is fixed on the telescopic cylinder, and a rotating bracket is provided on the lower side of the mounting bracket, and the rotating bracket is replaceable.

[0012] As an optimal technical solution of the utility model, lens bodies are provided on both sides of the rotating bracket, a second lens is provided on the lower side of the lens body, a magnetic groove is provided on the upper side of the lens body, a dust cover is provided in the magnetic groove of the lens body to prevent dust from entering the lens body when not in use, and the dust cover is replaceable, a limiting groove is provided on the upper side of the lens body, the limiting groove is connected to the limiting ball on the lower side of the spring limiting rod, an assembly groove is provided on the lower side of the lens body, and an LED lamp bead is provided in the assembly groove of the lens body.

[0013] The beneficial effects of the utility model are:

[0014] Since the utility model is provided with a rotating mechanism, the mechanism is provided with different lens groups, and the user can replace them according to different usage scenarios. When replacing, it is only necessary to rotate the rotating bracket. When the lens body is rotated to the lower side of the zoom mechanism, the rotating ball on the lower side of the spring limiting rod will be connected with the limiting groove on the lens body, thereby completing the clamping of the device, which is convenient for user operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a first axial view of the utility model;

[0017] Figure 3 It is a second axis view of the utility model;

[0018] Figure 4 for Figure 2 A partial enlarged view of the middle part.

[0019] In the figure: 1. zoom mechanism; 2. rotation mechanism; 3. observation tube; 4. telescopic tube; 5. fixing groove; 6. scale bar; 7. fastening bolt; 8. mounting hole; 9. spring limit rod; 10. mounting bracket; 11. rotating bracket; 12. lens body; 13. dust cover; 14. limit groove; 15. LED lamp bead. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0023] In the above description of the utility model, it should be noted that the terms "one side", "the other side", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0024] In addition, the term "same" does not mean that the parts must be absolutely the same, but slight differences are allowed. The term "vertical" only means that the positional relationship between the parts is more vertical than "parallel", and does not mean that the structure must be completely vertical, but can be slightly tilted. Embodiment 1

[0025] exist Figure 1-4The utility model provides a technical solution: a composite zoom lens, comprising a zoom mechanism 1 and a rotating mechanism 2, the zoom mechanism 1 is composed of an observation tube 3, a telescopic tube 4, a fixing groove 5, a scale bar 6, a fastening bolt 7, a mounting hole 8 and a spring limiting rod 9, the rotating mechanism 2 is provided on the lower side of the telescopic tube 4 of the zoom mechanism 1, and the rotating mechanism 2 is composed of a mounting bracket 10, a rotating bracket 11, a lens body 12, a dust cover 13, a limiting groove 14 and an LED lamp bead 15.

[0026] In one aspect of the present embodiment, a telescopic tube 4 is provided on the lower side of the observation tube 3 of the zoom mechanism 1, a first lens is provided on the upper side of the observation tube 3, the observation tube 3 and the telescopic tube 4 are concentrically matched, a fixing groove 5 is provided on the observation tube 3, a scale bar 6 is provided on the fixing groove 5, the telescopic tube 4 and the observation tube 3 are connected by a fastening bolt 7, and effective zooming is achieved by adjusting the distance between the observation tube 3 and the telescopic tube 4, a mounting hole 8 is provided on the lower side of the telescopic tube 4, the number of the mounting holes 8 is two, a spring limiting rod 9 is provided inside the mounting hole 8, and a rotating ball is provided on the lower side of the spring limiting rod 9.

[0027] In one aspect of the present embodiment, the mounting bracket 10 of the rotating mechanism 2 is fixed on the telescopic tube 4, and a rotating bracket 11 is provided on the lower side of the mounting bracket 10, and the rotating bracket 11 is replaceable. The user can replace the lens body 12 according to their own needs and carry different numbers of rotating brackets 11, which is convenient for the user to use later. Lens bodies 12 are provided on both sides of the rotating bracket 11, and a second lens is provided on the lower side of the lens body 12. A magnetic suction groove is provided on the upper side of the lens body 12, which is convenient for the user to install. A dust cover 13 is provided in the magnetic suction groove of the lens body 12, and the dust cover 13 is replaceable. A limiting groove 14 is provided on the upper side of the lens body 12, and the limiting groove 14 is connected to the limiting ball on the lower side of the spring limiting rod 9. By connecting the limiting groove 14 with the limiting ball, the lens body 12 can be clamped with the telescopic tube 4. An assembly groove is provided on the lower side of the lens body 12, and an LED lamp bead 15 is provided in the assembly groove of the lens body 12. The LED lamp bead 15 can provide a good light source, thereby improving the use effect.

[0028] The working principle of the utility model is as follows: during the use of the utility model, the user first selects a different rotating bracket 11 according to the usage situation. After installation, the user loosens the fastening bolt 7 and observes the scale bar 6 to adjust the position of the telescopic tube 4 on the observation tube 3. After the adjustment is completed, the user removes the dust cover 13 on the lens body 12 to be used, and then rotates the rotating bracket 11 to rotate the lens body 12 to the lower side of the telescopic tube 4. The lens body 12 squeezes the spring limiting rod 9 on the lower side of the telescopic tube 4 until the limiting groove 14 is connected to the limiting ball on the lower side of the spring limiting rod 9, and the adjustment operation is completed.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A composite zoom lens, comprising a zoom mechanism (1) and a rotation mechanism (2), characterized in that: The zoom mechanism (1) is composed of an observation tube (3), a telescopic tube (4), a fixing groove (5), a scale bar (6), a fastening bolt (7), a mounting hole (8) and a spring limiting rod (9). A rotating mechanism (2) is provided on the lower side of the telescopic tube (4) of the zoom mechanism (1). The rotating mechanism (2) is composed of a mounting bracket (10), a rotating bracket (11), a lens body (12), a dust cover (13), a limiting groove (14) and an LED lamp bead (15).

2. The composite zoom lens according to claim 1, characterized in that: A telescopic tube (4) is provided on the lower side of the observation tube (3) of the zoom mechanism (1), a first lens is provided on the upper side of the observation tube (3), the observation tube (3) and the telescopic tube (4) are coaxially matched, and a fixing groove (5) is provided on the observation tube (3).

3. The composite zoom lens according to claim 2, characterized in that: The fixing groove (5) is provided with a scale bar (6), and the telescopic tube (4) and the observation tube (3) are connected via a fastening bolt (7).

4. The composite zoom lens according to claim 3, characterized in that: A mounting hole (8) is provided on the lower side of the telescopic cylinder (4), the mounting holes (8) being two in number, a spring limiting rod (9) being provided inside the mounting hole (8), and a rotating ball being provided on the lower side of the spring limiting rod (9).

5. The composite zoom lens according to claim 1, characterized in that: The mounting bracket (10) of the rotating mechanism (2) is fixed on the telescopic cylinder (4), and a rotating bracket (11) is provided on the lower side of the mounting bracket (10), and the rotating bracket (11) is replaceable.

6. The composite zoom lens according to claim 5, characterized in that: A lens body (12) is provided on both sides of the rotating bracket (11), a second lens is provided on the lower side of the lens body (12), a magnetic suction groove is provided on the upper side of the lens body (12), a dust cover (13) is provided in the magnetic suction groove of the lens body (12), and the dust cover (13) is replaceable, a limiting groove (14) is provided on the upper side of the lens body (12), the limiting groove (14) is connected to a limiting ball on the lower side of the spring limiting rod (9), an assembly groove is provided on the lower side of the lens body (12), and an LED lamp bead (15) is provided in the assembly groove of the lens body (12).

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