CN212723648U

CN212723648U - Portable transparent projection film projection screen

Info

Publication number: CN212723648U
Application number: CN202022057625.5U
Authority: CN
Inventors: 梁志华
Original assignee: Shanghai Intlight Thin Film Technology Co ltd
Current assignee: Shanghai Intlight Thin Film Technology Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-03-16
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a transparent projection membrane projection screen convenient to carry, including PMKD, place the body, the chamber is retrieved to the pull, support the dead lever, pull rolling subassembly and projection curtain, the chamber is retrieved to the pull is located on the PMKD, place the body and set up on the PMKD and locate the pull and retrieve the chamber both sides, it locates the pull and retrieves chamber both ends to support the dead lever to be the symmetry setting, it is the cavity setting to place the body, place the body cavity and support the dead lever phase-match, pull rolling subassembly is located the pull and is retrieved the intracavity, the projection curtain is located on the pull rolling subassembly, pull rolling subassembly includes the clockwork spring, a bearing, support axis of rotation and fixture block. The utility model belongs to the technical field of the projection membrane, specifically a can carry out fast assembly and dismantle formation projection screen support, can guarantee that the stability of projection screen is very straight to be placed, guarantee the effect of watching, can dismantle the rolling of accomodating after placing and the projection curtain accomodate the portable's of placing transparent projection membrane projection screen.

Description

Portable transparent projection film projection screen

Technical Field

The utility model belongs to the technical field of the projection membrane, especially, relate to a transparent projection membrane projection screen convenient to carry.

Background

Projection screens are tools used in movies, offices, home theaters, large conferences, etc. to display images and video files. And can be divided into various sizes. Because the curtain is generally large in area, the curtain needs to be folded on the rolling rod when being carried, which is very inconvenient and easy to be dirtied or even damaged.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming the defect of prior art, the utility model provides a transparent projection membrane projection screen convenient to carry can carry out quick equipment and dismantlement, forms projection screen's support holder, can guarantee that projection screen's stability is straightened and place, guarantees the effect of watching, can dismantle the rolling of accomodating after placing and projection curtain accomodate and place, portable, the practicality is strong.

The utility model adopts the technical scheme as follows: a portable transparent projection film projection screen comprises a fixed base plate, a placing body, a drawing recovery cavity, supporting fixing rods, drawing recovery components and a projection curtain, wherein the drawing recovery cavity is arranged on the fixed base plate, the placing body is arranged on the fixed base plate and arranged on two sides of the drawing recovery cavity, the supporting fixing rods are symmetrically arranged at two ends of the drawing recovery cavity, the placing body is arranged in a hollow cavity, the cavity of the placing body is matched with the supporting fixing rods, the drawing recovery components are arranged in the drawing recovery cavity, the projection curtain is arranged on the drawing recovery components, the drawing recovery components comprise a clockwork spring, a bearing, a supporting rotating shaft and a clamping block, the supporting rotating shaft is arranged between two opposite side walls which are arranged in the drawing recovery cavity and adjacent to the placing body, one end of the supporting rotating shaft is connected with the clockwork spring, and a bearing is arranged between the other end of the supporting, the projection curtain is the winding setting and locates on the support axis of rotation, the cavity is retrieved to the pull and is kept away from and be equipped with fixed pull mouth on the lateral wall of PMKD one side, projection curtain one end is and stretches out fixed pull mouth setting, the fixture block is the symmetry setting, the fixture block is located the projection curtain and stretches out fixed pull mouth one end both sides.

Furthermore, the supporting fixing rods are close to the upper end of the side wall of one side and are provided with the fixed placing plate, the fixed placing plate is arc-shaped and concave, the middle of the fixed placing plate is provided with a clamping groove matched with the clamping block, when the clamping block and the projection curtain are lifted downwards, the clamping block is clamped in the clamping groove, the effect of supporting the projection curtain to be straight is achieved, and the projection curtain is convenient to watch.

Further, be equipped with the screw hole on the PMKD, the cavity both ends are retrieved to the pull in the screw hole is located, support dead lever bottom through screw hole and PMKD threaded connection, realize supporting being connected with dismantling of PMKD of dead lever, can accomodate after the fixed support pole under dismantling and placing internal, portable.

Further, both ends that the chamber was retrieved to last pull of PMKD are equipped with fixing hole, it is equipped with fixing hole to place the body on the PMKD and keep away from one side each other, can stably place PMKD through fixing hole.

Furthermore, the bottom of the fixed bottom plate is symmetrically provided with supporting legs which support the fixed bottom plate.

After the structure is adopted, the utility model discloses beneficial effect as follows: the utility model relates to a portable transparent projection film projection screen, a drawing recovery cavity and a drawing rolling component realize the convenient drawing use of the projection screen and the recovery, storage and placement when not in use; the detachable that supports dead lever and unable adjustment base is connected, is convenient for assemble the support that supports the projection curtain fast and accomodate after finishing using and carry, and this device can carry out quick equipment and dismantlement, forms projection screen's support holder, can guarantee that projection screen's stability is stretched straightly and place, guarantees the effect of watching, can dismantle accomodate after and place and the rolling of projection curtain is accomodate and is placed, portable, and the practicality is strong.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic view of the overall structure of a portable transparent projection film projection screen according to the present invention;

fig. 2 is a schematic structural view of a portable transparent projection film projection screen in a use state;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is the internal structure schematic diagram of the portable transparent projection film projection screen of the present invention.

In the drawings: 1. fixed baseplate, 2, place the body, 3, the pull recovery chamber, 4, support the dead lever, 5, pull rolling subassembly, 6, projection curtain, 7, clockwork spring, 8, bearing, 9, support axis of rotation, 10, fixture block, 11, fixed pull mouth, 12, fixed board of placing, 13, block groove, 14, screw hole, 15, fixed through-hole, 16, supporting legs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1-4, a portable transparent projection film projection screen comprises a fixed base plate 1, a placement body 2, a pull recovery chamber 3, a supporting fixed rod 4, a pull rolling component 5 and a projection curtain 6, wherein the pull recovery chamber 3 is arranged on the fixed base plate 1, the placement body 2 is arranged on the fixed base plate 1 and arranged at two sides of the pull recovery chamber 3, the supporting fixed rod 4 is symmetrically arranged at two ends of the pull recovery chamber 3, the placement body 2 is arranged in a hollow cavity, the cavity of the placement body 2 is matched with the supporting fixed rod 4, the pull rolling component 5 is arranged in the pull recovery chamber 3, the projection curtain 6 is arranged on the pull rolling component 5, the pull rolling component 5 comprises a spring 7, a bearing 8, a supporting rotating shaft 9 and a clamping block 10, the supporting rotating shaft 9 is arranged between two opposite side walls which are arranged adjacent to the placement body 2 in the pull recovery chamber 3, support 9 one ends of axis of rotation and be connected with clockwork spring 7, it retrieves to be equipped with bearing 8 between the 3 lateral walls in chamber to support the 9 other ends of axis of rotation and pull, projection curtain 6 is the winding setting and locates on supporting axis of rotation 9, the pull is retrieved chamber 3 and is kept away from and is equipped with fixed pull mouth 11 on the 1 side lateral wall of PMKD, 6 one end of projection curtain is and stretches out fixed pull mouth 11 setting, fixture block 10 is the symmetry setting, fixture block 10 is located projection curtain 6 and stretches out fixed pull mouth 11 one end both sides.

The upper end of the side wall of the supporting and fixing rod 4 close to one side is provided with a fixing and placing plate 12, the fixing and placing plate 12 is arranged in an arc-shaped concave manner, the middle part of the fixing and placing plate 12 is provided with a clamping groove 13 matched with the clamping block 10, when the clamping block 10 and the projection screen 6 are lifted downwards, the clamping block 10 is clamped in the clamping groove 13, the effect of supporting and straightening the projection screen 6 is achieved, and the projection screen 6 is convenient to watch; the fixed bottom plate 1 is provided with threaded holes 14, the threaded holes 14 are formed in two ends of the drawing recovery cavity 3, the bottom of the supporting and fixing rod 4 is in threaded connection with the fixed bottom plate 1 through the threaded holes 14, the supporting and fixing rod 4 is detachably connected with the fixed bottom plate 1, and the supporting and fixing rod can be accommodated in the placing body 2 after being detached and is convenient to carry; fixing through holes 15 are formed in two ends of the drawing and recovering cavity 3 on the fixing bottom plate 1, the fixing through holes 15 are formed in the sides, away from each other, of the placing bodies 2 on the fixing bottom plate 1, and the fixing bottom plate 1 can be stably placed through the fixing through holes 15; the bottom of the fixed bottom plate 1 is symmetrically provided with supporting legs 16 which support the fixed bottom plate 1.

When the device is used specifically, in an initial state, the supporting fixed rod 4 is accommodated in the placing body 2, and the projection curtain 6 is wound on the supporting rotating shaft 9 in the drawing recovery cavity 3; is convenient to carry; when in use, the supporting and fixing rod 4 is taken out of the placing body 2, the bottom of the supporting and fixing rod 4 is in threaded connection with the threaded hole 14 on the fixing bottom plate 1, and the supporting and fixing rod 4 is installed; the projection screen 6 is pulled along the direction of the supporting and fixing rods 4 by holding the fixture block 10, the fixture block 10 is clamped in the clamping groove 13 to fix one end of the projection screen 6, and the projection screen 6 is fixed between the supporting and fixing rods 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a transparent projection film projection screen convenient to carry which characterized in that: the device comprises a fixed base plate, a placing body, a drawing recovery cavity, supporting fixing rods, a drawing winding component and a projection curtain, wherein the drawing recovery cavity is arranged on the fixed base plate, the placing body is arranged on the fixed base plate and is arranged on two sides of the drawing recovery cavity, the supporting fixing rods are symmetrically arranged at two ends of the drawing recovery cavity, the placing body is arranged in a hollow cavity, the cavity of the placing body is matched with the supporting fixing rods, the drawing winding component is arranged in the drawing recovery cavity, the projection curtain is arranged on the drawing winding component, the drawing winding component comprises a clockwork spring, a bearing, a supporting rotating shaft and a clamping block, the supporting rotating shaft is arranged between two opposite side walls which are arranged in the drawing recovery cavity and are adjacent to the placing body, one end of the supporting rotating shaft is connected with the clockwork spring, the bearing is arranged between the other end of the supporting rotating shaft and the, the drawing recovery cavity is provided with a fixed drawing opening on the side wall far away from the fixed bottom plate, one end of the projection curtain is arranged to extend out of the fixed drawing opening, the fixture blocks are symmetrically arranged, and the fixture blocks are arranged on two sides of one end, extending out of the fixed drawing opening, of the projection curtain.

2. A portable transparent projection film projection screen according to claim 1, wherein: the supporting fixing rod is close to one side lateral wall upper end each other and is equipped with fixedly places the board, fixedly place the board and be the concave setting of arc, fixedly place the board middle part be equipped with fixture block assorted block groove.

3. A portable transparent projection film projection screen according to claim 1, wherein: the fixed base plate is provided with threaded holes, the threaded holes are formed in two ends of the drawing recovery cavity, and the bottom of the supporting fixed rod is in threaded connection with the fixed base plate through the threaded holes.

4. A portable transparent projection film projection screen according to claim 1, wherein: fixing through holes are formed in two ends of the pulling and recycling cavity in the fixing bottom plate, and fixing through holes are formed in one side, away from the fixing bottom plate, of the placing body.

5. A portable transparent projection film projection screen according to claim 1, wherein: the bottom of the fixed bottom plate is symmetrically provided with supporting legs.