CN211905969U

CN211905969U - Fresnel hard curtain

Info

Publication number: CN211905969U
Application number: CN202020601956.8U
Authority: CN
Inventors: 孟宏伟; 俞宇
Original assignee: Focusview Technology Co ltd
Current assignee: Focusview Technology Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-11-10
Anticipated expiration: 2030-04-21

Abstract

The utility model belongs to hard curtain field, especially a hard curtain of fei nieer, it is with high costs to current curtain piece and fresnel lens combination to the installation is inconvenient, can not satisfy the problem that needs, the scheme as follows now is proposed, it includes curtain piece and fresnel lens, curtain piece and fresnel lens contact, the first connecting plate of the equal fixedly connected with in top and the bottom of curtain piece, fresnel lens's top and bottom all contact there is the second connecting plate, one side fixedly connected with limiting plate of second connecting plate, the spacing groove has been seted up to one side of first connecting plate, the limiting plate clamps with the spacing groove mutually, the adaptation groove has all been seted up to one side that two first connecting plates kept away from each other, sliding mounting has the adapter plate in the adaptation groove, the equal fixedly connected with riser in one side that two adapter plates are close to each other. The utility model discloses the practicality is good, and the convenience is to the combination of curtain piece and fresnel lens, and the combination process is simple, and the combination cost is low, satisfies the operation needs.

Description

Fresnel hard curtain

Technical Field

The utility model relates to a hard curtain technical field especially relates to a fresnel hard curtain.

Background

The DLP display screen is generally formed by combining a curtain sheet and a fresnel lens, and the curtain sheet and the fresnel lens must be close to each other to achieve a good display effect.

The current curtain sheet and Fresnel lens combination mode is that the outside is respectively added a piece of glass and is pressed together, and is with high costs to it is inconvenient to install, can not satisfy the needs.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having curtain piece and fresnel lens combination among the prior art with high costs to the installation is inconvenient, can not satisfy the shortcoming that needs, and the hard curtain of a fresnel that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a Fresnel hard curtain comprises a curtain sheet and a Fresnel lens, wherein the curtain sheet is contacted with the Fresnel lens, the top and the bottom of the curtain sheet are fixedly connected with first connecting plates, the top and the bottom of the Fresnel lens are contacted with second connecting plates, one side of the second connecting plate is fixedly connected with a limiting plate, one side of the first connecting plate is provided with a limiting groove, the limiting plate is clamped with the limiting groove, one sides of the two first connecting plates, which are far away from each other, are provided with adaptive grooves, adaptive plates are slidably mounted in the adaptive grooves, one sides, which are close to each other, of the two adaptive plates are fixedly connected with vertical plates, one sides, which are far away from each other, of the two limiting plates are provided with vertical grooves, the vertical plates are clamped with the vertical grooves, the inner wall, which is close to each other, of the two adaptive grooves are provided with square grooves, one sides, which are close to each other, of the two adaptive plates are fixedly connected with a plurality of springs, one, the equal fixedly connected with locating plate in one side that two adapter plates are close to each other, the rectangular channel has all been seted up to one side that two second connecting plates kept away from each other, has all seted up the constant head tank on the one side inner wall that two rectangular channels are close to each other, and the locating plate clamps with the constant head tank mutually.

Preferably, the two adapter plates are fixedly connected with protrusions on one sides far away from each other, so that the adapter plates can be pulled conveniently.

Preferably, one side of the adapter plate extends into the rectangular groove.

Preferably, vertical holes are formed in the inner wall, close to each other, of one side of each square groove, and the vertical plates are slidably mounted in the vertical holes.

Preferably, the number of springs located on the same adapter plate is two, enabling the adapter plate to be restored to its original position.

Preferably, the first connecting plate and the second connecting plate which are positioned on the same horizontal axis are in contact.

The utility model discloses in, a fresnel hard curtain, the pulling is protruding, the adapter plate drives the riser and removes, the adapter plate is stretched the spring, then laminate curtain piece and fresnel lens mutually, make limiting plate card on the second connecting plate go into the spacing inslot, the adapter plate extends to the rectangular channel in, loosen the arch again, the spring is because the elasticity of self drives the adapter plate and removes, the adapter plate drives riser and locating plate and removes, make riser and locating plate card respectively go into in erecting groove and the constant head tank, accomplish the combination to curtain piece and fresnel lens, the combination process is simple, the combination cost is low.

The utility model discloses the practicality is good, and the convenience is to the combination of curtain piece and fresnel lens, and the combination process is simple, and the combination cost is low, satisfies the operation needs.

Drawings

Fig. 1 is a schematic structural view of a fresnel hard curtain provided by the present invention;

fig. 2 is a schematic structural diagram of a portion a of a fresnel hard curtain according to the present invention;

fig. 3 is a schematic structural diagram of a portion B of a fresnel hard curtain according to the present invention.

In the figure: 1. a screen sheet; 2. a Fresnel lens; 3. a first connecting plate; 4. a second connecting plate; 5. a limiting plate; 6. a vertical plate; 7. an adapter plate; 8. a spring; 9. positioning a plate; 10. a protrusion; 11. a limiting groove; 12. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a fresnel hard curtain comprises a curtain sheet 1 and a fresnel lens 2, wherein the curtain sheet 1 is contacted with the fresnel lens 2, the top and the bottom of the curtain sheet 1 are fixedly connected with a first connecting plate 3, the top and the bottom of the fresnel lens 2 are contacted with a second connecting plate 4, one side of the second connecting plate 4 is fixedly connected with a limiting plate 5, one side of the first connecting plate 3 is provided with a limiting groove 11, the limiting plate 5 is clamped with the limiting groove 11, one sides of the two first connecting plates 3, which are far away from each other, are provided with adaptive grooves, adaptive plates 7 are slidably mounted in the adaptive grooves, one sides of the two adaptive plates 7, which are close to each other, are fixedly connected with a vertical plate 6, one sides of the two limiting plates 5, which are far away from each other, are provided with vertical grooves, the vertical plate 6 is clamped with the vertical grooves, one sides of the two adaptive grooves, which are close to each other, are provided with square grooves, the one end that is located two springs 8 on same vertical axis and is close to each other is fixed connection respectively on the one side inner wall that two square grooves are close to each other, the equal fixedly connected with locating plate 9 in one side that two adapter plates 7 are close to each other, and the rectangular channel has all been seted up to one side that two second connecting plates 4 were kept away from each other, has all seted up constant head tank 12 on the one side inner wall that two rectangular channels are close to each other, and locating plate 9 clamps with constant head tank 12 mutually.

In this embodiment, the two adapter plates 7 are respectively fixedly connected with the protrusions 10 at one side away from each other, so that the adapter plates 7 can be conveniently pulled.

In this embodiment, one side of the adapter plate 7 extends into the rectangular groove.

In this embodiment, all seted up perpendicular hole on the one side inner wall that two square grooves are close to each other, riser 6 slidable mounting is in the perpendicular hole.

In this embodiment, the number of the springs 8 on the same adapter plate 7 is two, so that the adapter plate 7 can be restored to its original position.

In this embodiment, the first connecting plate 3 and the second connecting plate 4 located on the same horizontal axis are in contact.

The utility model discloses in, during the use, the pulling is protruding 10, protruding 10 drives adapter plate 7 and removes, adapter plate 7 drives riser 6 and removes, adapter plate 7 stretches spring 8, then laminate curtain 1 and fresnel lens 2 mutually, make limiting plate 5 card on the second connecting plate 4 go into in the spacing groove 11, adapter plate 7 extends to the rectangular channel in, loosen protruding 10 again, spring 8 drives adapter plate 7 and removes because the elasticity of self, adapter plate 7 drives riser 6 and locating plate 9 and removes, make riser 6 and locating plate 9 card respectively go into in erecting groove and constant head tank 12, the completion is to the combination of curtain 1 and fresnel lens 2, the combination process is simple, the assembly cost is low, satisfy the needs of use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A Fresnel hard curtain comprises a curtain sheet (1) and a Fresnel lens (2), and is characterized in that the curtain sheet (1) is in contact with the Fresnel lens (2), the top and the bottom of the curtain sheet (1) are fixedly connected with first connecting plates (3), the top and the bottom of the Fresnel lens (2) are in contact with second connecting plates (4), one sides of the second connecting plates (4) are fixedly connected with limiting plates (5), one sides of the first connecting plates (3) are provided with limiting grooves (11), the limiting plates (5) are clamped with the limiting grooves (11), one sides of the two first connecting plates (3) far away from each other are provided with adapting grooves, adapting plates (7) are slidably mounted in the adapting grooves, one sides of the two adapting plates (7) near each other are fixedly connected with vertical plates (6), one sides of the two limiting plates (5) far away from each other are provided with vertical grooves, riser (6) and perpendicular groove phase card dress, the square groove has all been seted up on the one side inner wall that two adaptation grooves are close to each other, the equal a plurality of springs (8) of one side that two adaptation boards (7) are close to each other, the one end that two springs (8) that are located on same vertical axis are close to each other is fixed connection respectively on the one side inner wall that two square grooves are close to each other, the equal fixedly connected with locating plate (9) in one side that two adaptation boards (7) are close to each other, the rectangular channel has all been seted up to one side that two second connecting plate (4) are kept away from each other, constant head tank (12) have all been seted up on the one side inner wall that two rectangular channels are close to each other, locating plate (9).

2. Fresnel hard curtain according to claim 1, characterised in that the sides of the two adapter plates (7) facing away from each other are fixedly connected with projections (10).

3. Fresnel hard curtain according to claim 1, characterised in that one side of the adapter plate (7) extends into a rectangular groove.

4. The Fresnel hard curtain as claimed in claim 1, wherein the inner walls of the two adjacent square grooves are provided with vertical holes, and the vertical plates (6) are slidably mounted in the vertical holes.

5. Fresnel hard curtain according to claim 1, characterised in that the number of springs (8) on one and the same adapter plate (7) is two.

6. Fresnel hard screen according to claim 1, characterised in that the first (3) and second (4) connection plates, which are located on the same horizontal axis, are in contact.