CN211478731U

CN211478731U - Novel ultrashort-focus lens structure

Info

Publication number: CN211478731U
Application number: CN202020360794.3U
Authority: CN
Inventors: 徐航宇; 郭跃武
Original assignee: Yipu Photoelectric Tianjin Co ltd
Current assignee: Yipu Photoelectric Tianjin Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-09-11
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses a novel ultrashort-focus lens structure, which comprises a lens and a shell, wherein the shell at least comprises a first fixed shell and a second fixed shell, the first fixed shell and the second fixed shell are both cylinder structures with two communicated ends and a channel arranged inside, one end of the first fixed shell is provided with an external thread, one end of the second fixed shell is provided with an internal thread, wherein, the first fixed shell is close to one side surface of the second fixed shell and is provided with uniformly arranged concave parts, the second fixed shell is close to one side surface of the first fixed shell and is provided with at least two groups of symmetrical convex parts, connecting columns are arranged on the convex parts, two ends of the connecting columns penetrate through the convex parts, fixing pieces are arranged on the connecting columns, one end of the fixing pieces is connected with the connecting columns, the other end of the connecting columns is provided with convex parts, and the convex parts are abutted against the concave parts, compared with the prior art, the lens fixing device has the advantages of reasonable design, tight connection between lenses, firm fixation and the like.

Description

Novel ultrashort-focus lens structure

Technical Field

The utility model particularly relates to a novel ultrashort burnt lens structure.

Background

With the development of science and technology, people often can apply to projection equipment when meeting, especially the ultrashort burnt projecting apparatus of free curved surface, because of its adoption all solid-state laser light source, can long-time continuous service, the life-span is up to 20000 hours. In order to ensure that images put on a screen are clear, the lens of the projector is particularly critical, in order to ensure that the projection effect of the lens is clearer, a plurality of lenses are required to be connected with each other, but in the using process, because the lenses are not tightly connected, the lenses are loosened and possibly fall off after long-time use, and the damage to the lenses is caused

How to provide a novel ultrashort burnt lens structure, have reasonable in design, connect closely between the camera lens, it is fixed firm, is the problem that will solve at present.

Disclosure of Invention

The utility model aims at providing a novel ultrashort burnt lens structure has reasonable in design, connects between the camera lens closely, fixed advantage such as firm.

In order to achieve the above object, the utility model provides a following technical scheme: a novel ultrashort-focus lens structure comprises a lens and a shell for fixing the lens, wherein the shell at least comprises a first fixing shell and a second fixing shell, the first fixing shell and the second fixing shell are both cylindrical structures with two communicated ends and a channel arranged inside, an external thread is arranged at one end of the first fixing shell, an internal thread matched with the external thread is arranged at one end of the second fixing shell, uniformly-arranged concave parts are arranged on the surface of one side, close to the second fixing shell, of the first fixing shell, and one end of each concave part is concave towards the axial direction of the first fixing shell; the second set casing is close to first set casing side surface is equipped with the bellying of at least two sets of symmetries, be equipped with the spliced pole on the bellying, the spliced pole both ends are run through the bellying, just be equipped with the mounting on the spliced pole, mounting one end is connected the spliced pole, the other end are equipped with the convex part, the convex part with lower concave part butt.

Further, the outer shape of the lower concave part is a cylindrical structure.

Furthermore, the shape of the convex part is a semicircular plate structure.

Further, the protruding portion and the second fixing shell are integrally formed, or are mutually independent components.

Further, when the boss and the second fixing shell are mutually independent parts, the boss and the second fixing shell are connected through adhesive.

Further, the surface of the convex part close to the end of the lower concave part is tightly attached to the inner side of the lower concave part.

Furthermore, an elastic gasket is arranged between the first fixing shell and the second fixing shell.

Furthermore, the elastic gasket is a colloid ring.

Furthermore, the appearance of the connecting column is of a cylindrical structure, and fixing holes are formed in the two ends of the connecting column and fixed through fixing bolts.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of novel ultrashort burnt camera lens structure, by the lens with be used for fixing the casing of lens is constituteed, the casing contains a first set casing and a second set casing at least, first set casing with the second set casing is the cylinder structure that both ends communicate with each other and inside was equipped with the passageway, first set casing one end is equipped with the external screw thread, second set casing one end be equipped with the internal thread that external screw thread fit set up, both pass through threaded connection for both connect closely, and are fixed firm. Because the surface of one side, close to the second fixed shell, of the first fixed shell is provided with the lower concave parts which are uniformly arranged, one end of each lower concave part is concave towards the axial direction of the first fixed shell; the second set casing is close to first set casing side surface is equipped with the bellying of at least two sets of symmetries, be equipped with the spliced pole on the bellying, the spliced pole both ends are run through the bellying, just be equipped with the mounting on the spliced pole, mounting one end is connected the spliced pole, the other end is equipped with the convex part, the convex part with the lower concave part butt, the mounting one end is passed through the spliced pole and is connected with the bellying of second set casing, and the convex part of the other end is located the concave part down of a set casing, and with the lower concave part butt, the convex part realizes concave-convex cooperation with the lower concave part, and then makes first set casing with the second set casing is connected inseparabler, and is fixed firm, avoids first set casing to be connected because of vibrations with the second set. The whole structure has the advantages of reasonable design, tight connection between the lenses, firm fixation and the like.

Drawings

Fig. 1 is a front view of the lens structure of the present invention;

fig. 2 is a top view of the lens structure of the present invention;

FIG. 3 is a front view of the fixing member of the present invention;

FIG. 4 is a perspective view of the colloid ring of the present invention;

fig. 5 is a perspective view of the fixing bolt of the present invention.

Description of reference numerals:

1 first stationary housing 2 second stationary housing

3 undercut 4 relief

5 connecting column 6 fixing piece

7 convex part 8 colloid ring

9 fixing bolt

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the spirit of the present invention will be described in detail with reference to the accompanying drawings, and any person skilled in the art can change or modify the techniques taught by the present invention without departing from the spirit and scope of the present invention after understanding the embodiments of the present invention.

The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention. Additionally, the same or similar numbered elements/components used in the drawings and the embodiments are used to represent the same or similar parts.

As used herein, the terms "first," "second," …, etc. do not denote any order or sequential importance, nor are they used to limit the invention, but rather are used to distinguish one element from another or from another element or operation described in the same technical language.

With respect to directional terminology used herein, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Accordingly, the directional terminology used is intended to be illustrative and is not intended to be limiting of the present teachings.

As used herein, the terms "comprising," "including," "having," "containing," and the like are open-ended terms that mean including, but not limited to.

As used herein, "and/or" includes any and all combinations of the described items.

As used herein, the terms "substantially", "about" and the like are used to modify any slight variation in quantity or error that does not alter the nature of the variation. Generally, the range of slight variations or errors modified by such terms may be 20% in some embodiments, 10% in some embodiments, 5% in some embodiments, or other values. It should be understood by those skilled in the art that the aforementioned values can be adjusted according to actual needs, and are not limited thereto.

Certain words used to describe the present application are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the present application.

The embodiment of the utility model provides a novel ultrashort burnt lens structure, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, contain lens and the casing that is used for fixed lens, the casing contains a first set of fixed shell 1 and a second set of fixed shell 2 at least, first set of fixed shell 1 and second set of fixed shell 2 are both ends and communicate and the inside is equipped with the cylinder structure of passageway, first set of fixed shell 1 one end is equipped with the external screw thread, second set of fixed shell 2 one end is equipped with the internal thread that sets up with the external screw thread cooperation, wherein, first set of fixed shell 1 is close to second set of fixed shell 2 side surface and is equipped with the concave part 3 of even arrangement, the concave part 3 one end is concave to the first set of fixed shell 1 axial direction; the fixed 2 shells of second is close to 1 side surface of first set shell and is equipped with the bellying 4 of at least two sets of symmetries, is equipped with spliced pole 5 on the bellying 4, and spliced pole 5 both ends run through bellying 4, and be equipped with mounting 6 on the spliced

pole

5, 6 one end spliced poles of mounting 5, the other end is equipped with convex part 7, convex

part

7 and 3 butts of concave part.

Specifically, the method comprises the following steps: this kind of novel ultrashort burnt camera lens structure, by the lens with be used for fixing the casing of lens is constituteed, and the casing contains a first set casing 1 and a second set casing 2 at least, and first set casing 1 and second set casing 2 are both the cylinder structure that both ends communicate with each other and inside was equipped with the passageway, and 1 one end of first set casing is equipped with the external screw thread, and 2 one end of second set casing are equipped with the internal thread that sets up with the external screw thread fit, and both pass through threaded connection for both connect closely, and are fixed firm. Because the first fixed shell 1 is close to the surface of one side of the second fixed shell 2 and has concave parts 3 arranged evenly, one end of the concave part 3 is concave towards the axial direction of the first fixed shell 1; the fixed 2 shells of second is close to 1 side surface of first set shell and is equipped with the bellying 4 of at least two sets of symmetries, is equipped with spliced pole 5 on the bellying 4, and spliced pole 5 both ends run through bellying 4, and be equipped with mounting 6 on the spliced

pole

part

7 and 3 butts of concave part. 6 one end of mounting is passed through spliced pole 5 and is connected with the bellying 4 of second set casing 2, and the convex part 7 of the other end is located the lower concave part 3 of a set casing 1, and with the 3 butt of lower concave part, convex part 7 and lower concave part 3 realize unsmooth cooperation, and then make first set casing 1 be connected inseparabler with second set casing 2, and is fixed firm, avoids first set casing 1 to be connected because of vibrations with second set casing 2 and appears becoming flexible. The whole structure has the advantages of reasonable design, tight connection between the lenses, firm fixation and the like.

As shown in fig. 1, for the convenience of fixing, the contact area between the concave portion 3 and the convex portion 7 is increased, and the frictional force between the two is increased, for example, the outer shape of the concave portion 3 is a cylindrical structure.

As shown in fig. 1, 2 and 3, in order to avoid the surface of the protrusion 4 being sharp and increasing the risk of scratching for the user, for example, the protrusion 4 is shaped as a semicircular plate.

It is worth mentioning that, in order to guarantee that protruding portion 4 is connected closely with second set casing 2, it is fixed firm, pass through adhesive bonding with protruding portion 4 and second set casing 2 and be connected, in this embodiment, protruding portion 4 explains for independent part with second set casing 2, and when in actual application, in order to make protruding portion 4 and second set casing 2 be connected inseparabler, it is fixed more firm, both adopt the integrated into one piece design, do not explain the technology here.

It should be noted that, in order to make the connection between the convex portion 7 and the concave portion 3 more secure, for example, the surface of the convex portion 7 near the end of the concave portion 3 and the inner side of the concave portion 3 are closely attached to each other.

It is further described that, as shown in fig. 1 and 4, in order to avoid direct contact between the first stationary housing 1 and the second stationary housing 2 and reduce the risk of damage to the first stationary housing 1 and the second stationary housing 2 due to the direct contact, an elastic gasket is disposed between the first stationary housing 1 and the second stationary housing 2. Furthermore, the elastic gasket is a colloid ring.

In particular, it should be reminded that, in the present embodiment, as shown in fig. 1 and fig. 5, in order to avoid the connecting column 5 from being detached from the boss 4, for example, the connecting column 5 has a cylindrical shape, and both ends of the connecting column are provided with fixing holes, and the fixing holes are fixed 9 by fixing bolts.

The foregoing is only an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principles of the present invention should fall within the protection scope of the present invention.

Claims

1. A novel ultrashort-focus lens structure is characterized by comprising a lens and a shell for fixing the lens, wherein the shell at least comprises a first fixed shell and a second fixed shell, the first fixed shell and the second fixed shell are both cylinder structures with two communicated ends and a channel arranged inside, an external thread is arranged at one end of the first fixed shell, an internal thread matched with the external thread is arranged at one end of the second fixed shell, wherein,

the surface of one side, close to the second fixed shell, of the first fixed shell is provided with uniformly arranged lower concave parts, and one ends of the lower concave parts are concave towards the axial direction of the first fixed shell;

the second set casing is close to first set casing side surface is equipped with the bellying of at least two sets of symmetries, be equipped with the spliced pole on the bellying, the spliced pole both ends are run through the bellying, just be equipped with the mounting on the spliced pole, mounting one end is connected the spliced pole, the other end are equipped with the convex part, the convex part with lower concave part butt.

2. The novel ultra-short focus lens structure as claimed in claim 1, wherein the shape of said concave portion is a cylindrical structure.

3. The novel ultra-short focus lens structure as claimed in claim 1, wherein said protruding portion is shaped as a semicircular plate.

4. The novel ultra-short focus lens structure as claimed in claim 1, wherein said protruding portion is integrally formed with said second fixing shell or is a separate component.

5. The novel ultra-short focal lens structure as claimed in claim 4, wherein the protruding portion and the second fixing shell are adhesively connected by an adhesive when they are separate parts.

6. The novel ultra-short focal lens structure as claimed in claim 1, wherein the surface of the convex portion near the end of the lower concave portion and the inner side of the lower concave portion are tightly attached to each other.

7. The novel ultra-short focus lens structure as claimed in claim 1, wherein an elastic gasket is disposed between the first fixing housing and the second fixing housing.

8. The novel ultra-short focus lens structure as claimed in claim 7, wherein said elastic pad is a colloid ring.

9. The novel ultra-short focus lens structure as claimed in claim 1, wherein the connecting column has a cylindrical shape, and has fixing holes at two ends, and the fixing holes are fixed by fixing bolts.