CN219285481U

CN219285481U - Novel assembled lens

Info

Publication number: CN219285481U
Application number: CN202320309875.4U
Authority: CN
Inventors: 吕伟华
Original assignee: Dongguan Jiexiang Photoelectric Co ltd
Current assignee: Dongguan Jiexiang Photoelectric Co ltd
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-06-30
Anticipated expiration: 2033-02-22

Abstract

The utility model discloses a novel assembled lens, which comprises a lens barrel, a first lens, a first space ring, a second lens, a second space ring, a third lens and a fourth lens, wherein the first lens, the first space ring, the second lens, the second space ring, the third lens and the fourth lens are sequentially arranged from a first end to a second end of the lens barrel; the second lens comprises a cylinder and a spherical body arranged at the bottom of the cylinder, the second spacer ring comprises a first annular body and a second annular body arranged at the bottom of the first annular body, the outer diameter of the first annular body is identical to the outer diameter of the second annular body, the inner diameter of the first annular body is larger than the inner diameter of the second annular body, the inner diameter of the first annular body is identical to the diameter of the cylinder, the inner hole of the first annular body can be used for the cylinder to be inserted and connected, and an annular cambered surface chamfer allowing the spherical body to be accommodated is arranged at the top end of the inner side wall of the second annular body.

Description

Novel assembled lens

Technical Field

The utility model relates to the field of lenses, in particular to a novel assembled lens.

Background

The glass lens in the existing glass plastic lens is generally supported by the lens barrel, when the R value of the glass is larger, the larger the outer diameter of the glass lens is, the smaller the contact with the inner wall of the lens barrel of the glass lens is, the poor positioning performance is caused, and the assembly inclination is easy to cause. In addition, if the outer diameter structure of the lens barrel of the customer is to be reduced, no space is improved between the glass lens and the lens barrel.

Disclosure of Invention

The present utility model addresses the above-described shortcomings of the prior art by providing a novel assembled lens.

The technical scheme adopted for solving the technical problems is as follows: constructing a novel assembled lens, wherein the lens comprises a lens barrel, a first lens, a first space ring, a second lens, a second space ring, a third lens and a fourth lens, and the first lens, the first space ring, the second lens, the second space ring, the third lens and the fourth lens are sequentially arranged from a first end to a second end of the lens barrel;

the second lens comprises a cylinder and a spherical body arranged at the bottom of the cylinder, the second spacer ring comprises a first annular body and a second annular body arranged at the bottom of the first annular body, the outer diameter of the first annular body is identical to the outer diameter of the second annular body, the inner diameter of the first annular body is larger than the inner diameter of the second annular body, the inner diameter of the first annular body is identical to the diameter of the cylinder, the inner hole of the first annular body can be used for the cylinder to be inserted and connected, and an annular cambered surface chamfer allowing the spherical body to be accommodated is arranged at the top end of the inner side wall of the second annular body.

In the novel assembled lens of the utility model, the second end of the lens barrel is provided with a first annular blocking part which extends into the lens barrel, and the fourth lens is abutted with the first annular blocking part.

In the novel assembled lens of the utility model, the first end of the lens barrel is provided with a second annular blocking part which is formed by extending outwards of the lens barrel.

In the novel assembled lens, the outer side wall of the lens barrel is provided with external threads.

In the novel assembled lens of the utility model, the first end face of the first spacer abuts against the inner side face of the first lens, and the second end face of the first spacer abuts against the top end face of the cylinder.

In the novel assembled lens of the utility model, the first lens, the third lens and the fourth lens are all plastic lenses, and the second lens is a glass lens.

The novel assembled lens has the following beneficial effects: when the lens is assembled, the spherical body and the bottom end of the cylinder of the second lens can be inserted along the inner hole of the first annular body until the spherical body is abutted against the annular cambered surface chamfer, and then the fourth lens, the third lens, the second spacer and the whole second lens, the first spacer and the first lens are sequentially put into the lens barrel, and when the second spacer and the whole second lens are put into, the second lens is wrapped by the second spacer, so that interference between the second lens and the inner side wall of the lens barrel can be reduced, and the second lens is prevented from tilting during installation. Meanwhile, when the diameter of the lens barrel is required to be reduced, the diameter of the second lens is not required to be adjusted, and only the size of the second spacer is required to be adjusted, so that the manufacturing cost is reduced.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

fig. 1 is a schematic cross-sectional view of an assembled lens according to the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, in a first embodiment of the novel assembled lens of the present utility model, the lens 10 includes a lens barrel 11, a first lens 12, a first spacer 25, a second lens 13, a second spacer 14, a third lens 15 and a fourth lens 16, and the first lens 12, the first spacer 25, the second lens 13, the second spacer 14, the third lens 15 and the fourth lens 16 are sequentially arranged from a first end to a second end of the lens barrel 11.

The second lens 13 includes a cylindrical body 17, a spherical body 18 disposed at the bottom of the cylindrical body 17, the second spacer 14 includes a first annular body 19, and a second annular body 20 disposed at the bottom of the first annular body 19, the outer diameter of the first annular body 19 is the same as the outer diameter of the second annular body 20, the inner diameter of the first annular body 19 is larger than the inner diameter of the second annular body 20, the inner diameter of the first annular body 19 is the same as the diameter of the cylindrical body 17, and the inner hole of the first annular body 19 can be inserted into the cylindrical body 17 for connection, and an annular cambered surface chamfer 21 for accommodating the spherical body 18 is disposed at the top end of the inner sidewall of the second annular body 20.

When the lens 10 is assembled, the bottom ends of the spherical body 18 and the cylinder 17 of the second lens 13 can be inserted along the inner hole of the first annular body 19 until the spherical body 18 is abutted against the annular cambered surface chamfer 21, then the fourth lens 16, the third lens 15, the second spacer 14 and the whole second lens 13, the first spacer 25 and the first lens 12 are sequentially put into the lens barrel 11, and when the second spacer 14 and the whole second lens 13 are put into, the second lens 13 is wrapped by the second spacer 14, so that interference between the second lens 13 and the inner side wall of the lens barrel 11 can be reduced, and the second lens 13 is prevented from inclining during installation. Meanwhile, when the diameter of the lens barrel 11 needs to be reduced, the diameter of the second lens 13 does not need to be adjusted, and only the size of the second space ring 14 needs to be adjusted, so that the manufacturing cost is reduced.

Further, a first annular stop 22 extending into the lens barrel 11 is provided at the second end of the lens barrel 11, and the fourth lens 16 abuts against the first annular stop 22.

Further, the first end of the lens barrel 11 is provided with a second annular stopper 23 formed outwardly of the lens barrel 11.

To facilitate the mounting and fixing of the lens barrel 11, the outer wall of the lens barrel 11 is provided with external threads 24.

Specifically, the first end surface of the first spacer 25 abuts against the inner surface of the first lens 12, and the second end surface of the first spacer 25 abuts against the top end surface of the cylinder 17.

In the present embodiment, the first lens 12, the third lens 15 and the fourth lens 16 are all plastic lenses, and the second lens 13 is a glass lens.

In addition, in the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "stacked," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The novel assembled lens is characterized by comprising a lens barrel, a first lens, a first space ring, a second lens, a second space ring, a third lens and a fourth lens, wherein the first lens, the first space ring, the second lens, the second space ring, the third lens and the fourth lens are sequentially arranged from a first end to a second end of the lens barrel;

the second lens comprises a cylinder and a spherical body arranged at the bottom of the cylinder, the second spacer ring comprises a first annular body and a second annular body arranged at the bottom of the first annular body, the outer diameter of the first annular body is identical to the outer diameter of the second annular body, the inner diameter of the first annular body is larger than the inner diameter of the second annular body, the inner diameter of the first annular body is identical to the diameter of the cylinder, the inner hole of the first annular body can be used for the cylinder to be inserted and connected, and the top end of the inner side wall of the second annular body is provided with an annular cambered surface chamfer for accommodating the spherical body.

2. The novel assembled lens of claim 1, wherein the second end of the lens barrel is provided with a first annular stop portion extending into the lens barrel, and the fourth lens abuts against the first annular stop portion.

3. The novel assembled lens of claim 1, wherein the barrel first end is provided with a second annular stop formed outwardly of the barrel.

4. The novel assembled lens of claim 1, wherein the outer side wall of the lens barrel is provided with external threads.

5. The novel assembled lens of claim 1, wherein a first end face of the first spacer abuts an inner side face of the first lens, and a second end face of the first spacer abuts a top end face of the cylinder.

6. The novel assembled lens of claim 1, wherein the first lens, the third lens and the fourth lens are all plastic lenses, and the second lens is a glass lens.