CN213210708U - Automatic film curtain of rolling - Google Patents
Automatic film curtain of rolling Download PDFInfo
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- CN213210708U CN213210708U CN202021642015.5U CN202021642015U CN213210708U CN 213210708 U CN213210708 U CN 213210708U CN 202021642015 U CN202021642015 U CN 202021642015U CN 213210708 U CN213210708 U CN 213210708U
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- curtain
- protection box
- bottom end
- cloth layer
- rotating shaft
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Abstract
The utility model discloses an automatic film curtain of rolling, include: the bottom end of the protection box is provided with a strip-shaped opening in the left-right direction; the two fixing lugs are respectively and fixedly arranged at the rear sides of the left end and the right end of the protection box; the adjusting mechanisms are arranged at the bottom ends of the left side and the right side of the protection box; the motor is fixedly arranged on the right side of the bottom end of the inner cavity of the protection box; the rotating shaft is fixedly locked at the output end of the motor through a coupler; the curtain layer is wound on the outer side of the outer wall of the rotating shaft in a winding mode. This automatic film curtain of rolling, the installation degree of difficulty of the embedded curtain of greatly reduced even set up the embedding mouth under the condition that the error appears, also can do nimble adaptation and adjust, secondly this device can prevent effectively that curtain middle part from following the wind swing or the crooked condition of fold appears in the curtain layer, has guaranteed the watching effect of seeing the shadow personnel, obviously promotes in stability.
Description
Technical Field
The utility model relates to a curtain technical field specifically is an automatic film curtain of rolling.
Background
The projection screen is one of the most commonly used products in peripheral equipment of the projector, if the projection screen is properly matched with the projector, a high-quality projection effect can be obtained, and the projection screen can be generally divided into a reflection type and a transmission type in terms of functions; reflective for front projection and transmissive for rear projection; the positive projection screen is divided into a plane screen and an arc screen; the texture can be divided into a glass curtain, a metal curtain, an embossed plastic curtain and the like, and the picture effect of the hard curtain is superior to that of the soft curtain on the whole;
present film curtain all can realize the automatic rolling function basically, but pleasing to the eye for the environment, embedded curtain is liked by people deeply in recent years, the current embedded curtain installation degree of difficulty is great, and the organism is to the condition that deviation may appear in actual embedding trompil length, and lead to the great and fixed insecure condition of fixed degree of difficulty, secondly when watching the film, the curtain middle part can swing along with the wind or the crooked condition of fold appears in the curtain layer, seriously influenced sight shadow personnel's viewing effect, still remain to promote in stability.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic film curtain of rolling to solve the big problem that the fold influence was seen to the film effect appears in the curtain layer with the installation degree of difficulty under the error conditions that provides among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: an automatic rolling motion picture curtain, comprising:
the bottom end of the protection box is provided with a strip-shaped opening in the left-right direction;
the two fixing lugs are respectively and fixedly arranged at the rear sides of the left end and the right end of the protection box;
the adjusting mechanisms are arranged at the bottom ends of the left side and the right side of the protection box;
the motor is fixedly arranged on the right side of the bottom end of the inner cavity of the protection box;
the rotating shaft is fixedly locked at the output end of the motor through a coupler;
the curtain layer can be wound on the outer side of the outer wall of the rotating shaft in a rolling manner;
the developing layer is fixedly attached to the middle position of the front side surface of the curtain cloth layer;
the stretching mechanisms are arranged on the left side and the right side of the curtain cloth layer;
the fixed baseplate is fixedly installed at the bottom end of the curtain cloth layer along the left and right directions.
Preferably, the strip-shaped opening formed at the bottom end of the protection box is in a convex shape.
Preferably, the adjusting mechanism comprises: the four limiting columns are respectively fixedly arranged on the front side and the rear side of the left end and the right end of the outer wall of the protection box along the left-right direction; the screw rods can rotate around the axes of the screw rods and are inserted in the middle of the outer walls of the left side and the right side of the protection box; the nut is fixedly sleeved on the left side of the screw rod; the supporting plate is fixedly inserted at the outer sides of the two limiting columns, and the middle part of the supporting plate is in threaded connection with the screw rod.
Preferably, the width of the supporting plate is larger than the lengths of the limiting column and the screw rod.
Preferably, the stretching mechanism comprises: the limiting blocks are fixedly arranged on the left side and the right side of the curtain cloth layer at equal intervals from top to bottom respectively; the two connecting ropes are respectively positioned at the left side and the right side of the curtain cloth layer, one end of each connecting rope is fixedly connected to the outer side of the outer wall of the rotating shaft, the middle part of each connecting rope penetrates through the plurality of limiting blocks, and the bottom ends of the connecting ropes extend into the inner cavity at the bottom end of the fixed bottom plate; the gaskets are detachably arranged in the inner cavities at the left side and the right side of the bottom end of the fixed bottom plate and are positioned at the outer sides of the connecting ropes; and the fixture block is fixedly connected to the bottom end of the connecting rope, is positioned in the inner cavities at the left side and the right side of the bottom end of the fixed bottom plate and is in close contact with the gasket.
Preferably, the strip-shaped opening at the bottom end of the protection box is matched with the fixed bottom plate in shape and size.
Compared with the prior art, the beneficial effects of the utility model are that: this automatic film curtain of rolling, through the motor, the automatic rolling function on curtain layer has been realized to mutually supporting between pivot and the curtain layer, can follow the below of guard box through the dispensing mechanism in this device and adjust it, greatly reduced installs the degree of difficulty, even under the condition of seting up embedding mouth error appearing, also can do nimble regulation, the fastness of guard box installation has been guaranteed more through fixed ear and adjustment mechanism, secondly when watching the film, can pull the mechanism through stretching in this device, mutually supporting between curtain cloth layer and the PMKD, play the effect of stretching the drawing to the curtain, effectively prevent the curtain middle part along with the wind swing or the crooked condition of fold appearing in the curtain layer, the viewing effect of seeing the shadow personnel has been guaranteed, stability obviously promotes.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the partial bottom structure of the present invention;
FIG. 3 is an enlarged view of FIG. 1 at A;
FIG. 4 is an enlarged view of FIG. 2 at B;
FIG. 5 is a schematic right sectional view of the protective box of the present invention;
fig. 6 is a schematic structural view of the middle gasket of the present invention.
In the figure: 1. the device comprises a protection box, 2, fixing lugs, 3, an adjusting mechanism, 4, a motor, 5, a rotating shaft, 6, a curtain cloth layer, 7, a developing layer, 8, a stretching mechanism, 9, a fixing bottom plate, 31, a limiting column, 32, a screw rod, 33, a nut, 34, a supporting plate, 81, a limiting block, 82, a connecting rope, 83, a gasket, 84 and a clamping block.
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. 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.
Referring to fig. 1-6, the present invention provides a technical solution: an automatic rolling motion picture curtain, comprising: the device comprises a protection box 1, fixing lugs 2, an adjusting mechanism 3, a motor 4, a rotating shaft 5, a curtain cloth layer 6, a developing layer 7, a stretching mechanism 8 and a fixing bottom plate 9, wherein the bottom end of the protection box 1 is provided with a strip-shaped opening in the left and right directions; the two fixing lugs 2 are respectively and fixedly arranged at the rear sides of the left end and the right end of the protection box 1 to play a role in fixing a foundation; the adjusting mechanisms 3 are arranged at the bottom ends of the left side and the right side of the protective box 1; the motor 4 is fixedly arranged at the right side of the bottom end of the inner cavity of the protection box 1 and plays a main power output role in the device; the rotating shaft 5 is fixedly locked at the output end of the motor 4 through a coupler; the curtain cloth layer 6 can be wound on the outer side of the outer wall of the rotating shaft 5 in a rolling manner; the developing layer 7 is fixedly attached to the middle position of the front side surface of the curtain layer 6; the stretching mechanisms 8 are arranged on the left side and the right side of the curtain layer 6; the fixed bottom plate 9 is fixedly installed at the bottom end of the curtain cloth layer 6 along the left and right directions, plays a certain weight balancing role, and is matched with the stretching mechanism 8 to stretch and stretch the curtain cloth layer 6.
As preferred scheme, further, the strip-shaped opening that protective box 1 bottom was seted up is "protruding" font, prevents curtain cloth layer 6 transition rolling, plays certain limiting displacement.
Preferably, the adjusting mechanism 3 further includes: the protective box comprises limiting columns 31, a screw 32, nuts 33 and a supporting plate 34, wherein every two of the four limiting columns 31 are a group and are fixedly arranged on the front side and the rear side of the left end and the right end of the outer wall of the protective box 1 along the left-right direction respectively; the screw rod 32 can be inserted in the middle of the outer walls of the left side and the right side of the protection box 1 in a rotating way around the axis of the screw rod; the nut 33 is fixedly sleeved on the left side of the screw rod 32; the supporting plate 34 is fixedly inserted in the outer sides of the two limiting columns 31, the middle of the supporting plate is in threaded connection with the screw 32, the position of the supporting plate 34 can be flexibly adjusted through the adjusting mechanism 3, and installation by workers is facilitated.
Preferably, the width of the supporting plate 34 is larger than the lengths of the limiting column 31 and the screw 32, so that the supporting plate 34 can have a certain moving space.
Preferably, the stretching mechanism 8 further comprises: the limiting blocks 81, the connecting ropes 82, the gaskets 83 and the fixture blocks 84 are fixedly arranged on the left side and the right side of the curtain cloth layer 6 from top to bottom at equal intervals; the two connecting ropes 82 are respectively positioned at the left side and the right side of the curtain cloth layer 6, one end of each connecting rope is fixedly connected to the outer side of the outer wall of the rotating shaft 5, the middle part of each connecting rope penetrates through the plurality of limiting blocks 81, and the bottom ends of the connecting ropes extend into the inner cavity at the bottom end of the fixed bottom plate 9; the gaskets 83 are detachably arranged in the inner cavities at the left side and the right side of the bottom end of the fixed bottom plate 9 and are positioned at the outer sides of the connecting ropes 82; the fixture block 84 is fixedly connected to the bottom end of the connecting rope 82, is located in the inner cavities at the left side and the right side of the bottom end of the fixed bottom plate 9, is in close contact with the gasket 83, and can be used for heightening the fixture block 84 through the gasket 83, so that the connecting rope 82 is in a more tightened state.
Preferably, the strip-shaped opening at the bottom end of the protection box 1 is matched with the fixed bottom plate 9 in shape and size, so that the bottom end of the protection box is more attractive.
All the electric device models of the scheme can meet the use requirement of the scheme, and can be purchased in the market.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
In the actual use process of the device, firstly the protection box 1 needs to be fixed in the embedded groove, the protection box is preliminarily fixed by the fixing lugs 2 at the left end and the right end after the installation position is established, then the adjusting mechanism 3 in the device is used for further fixing and adjusting, a worker rotates the nut 33 from the lower part, the nut 33 and the bolt are in fixed installation relation, the nut 33 drives the bolt to synchronously rotate after rotating, and the middle part and the screw rod 32 are in threaded connection with each other as the supporting plate 34 is sleeved at the outer side of the limiting column 31, in the moving process, the bolt moves left and right along with the rotation of the screw rod 32 and the limiting action of the limiting columns 31 at the front end and the rear end until the proper position is adjusted, the protection box 1 can be stably supported, when in use, the motor 4 is firstly started, the rotating shaft 5 is driven by the motor 4 to rotate, and expand curtain layer 6 gradually, at the in-process that the curtain expanded, because the connecting wire is in tight state all the time, a plurality of stopper 81 is fixed mounting again both ends about curtain layer 6, can make the film curtain keep the smooth state of stretching through the connecting wire all the time, still can be through adding gasket 83 to the cavity of PMKD 9 bottom below, in order to improve the tight state of connecting wire, increase the tensile dynamics to the curtain, the installation degree of difficulty of this device greatly reduced embedded curtain, even under the condition of seting up embedding mouth and appearing the error, also can do nimble adaptation and adjust, secondly this device can prevent effectively that curtain middle part from following the crooked condition of wind swing or curtain layer 6 appearance fold, the watching effect of seeing the shadow personnel has been guaranteed, stability obviously promotes.
In the description of the present invention, it is to be understood that the terms "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "both ends" and the like indicate orientations or positional relationships based on those shown in the drawings, which are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated; also, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "fixedly mounted," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
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.
Claims (6)
1. An automatic rolling movie curtain, comprising:
the protection box (1), the bottom of the protection box (1) is provided with a strip-shaped opening in the left-right direction;
the two fixing lugs (2) are respectively and fixedly arranged on the rear sides of the left end and the right end of the protection box (1);
the adjusting mechanisms (3) are arranged at the bottom ends of the left side and the right side of the protection box (1);
the motor (4), the said motor (4) is fixedly mounted on the right side of bottom end of the cavity of the said guard box (1);
the rotating shaft (5) is fixedly locked at the output end of the motor (4) through a coupler;
the curtain cloth layer (6) can be wound on the outer side of the outer wall of the rotating shaft (5) in a winding mode;
the developing layer (7) is fixedly attached to the middle position of the front side surface of the curtain cloth layer (6);
the stretching mechanisms (8), the stretching mechanisms (8) are arranged on the left side and the right side of the curtain cloth layer (6);
and the fixed base plate (9) is fixedly installed at the bottom end of the curtain cloth layer (6) along the left and right directions.
2. The automatic rolling movie curtain as claimed in claim 1, wherein: the strip-shaped opening formed at the bottom end of the protection box (1) is in a convex shape.
3. The automatic rolling movie curtain as claimed in claim 1, wherein: the adjusting mechanism (3) comprises:
the four limiting columns (31) are respectively and fixedly arranged on the front side and the rear side of the left end and the right end of the outer wall of the protection box (1) along the left-right direction in a group of two limiting columns (31);
the screw rod (32) can rotate around the axis of the screw rod (32) and is inserted in the middle of the outer walls of the left side and the right side of the protection box (1);
the nut (33), the said nut (33) is fixed and sleeved on the left side of the said threaded spindle (32);
the supporting plate (34) is fixedly inserted at the outer sides of the two limiting columns (31), and the middle part of the supporting plate (34) is in mutual threaded connection with the screw (32).
4. The automatic rolling movie curtain as claimed in claim 3, wherein: the width of the supporting plate (34) is larger than the length of the limiting column (31) and the length of the screw (32).
5. The automatic rolling movie curtain as claimed in claim 1, wherein: the stretching mechanism (8) comprises:
the limiting blocks (81) are fixedly arranged on the left side and the right side of the curtain cloth layer (6) at equal intervals from top to bottom;
the two connecting ropes (82) are respectively positioned at the left side and the right side of the curtain cloth layer (6), one end of each connecting rope is fixedly connected to the outer side of the outer wall of the rotating shaft (5), the middle part of each connecting rope penetrates through the plurality of limiting blocks (81), and the bottom ends of the connecting ropes extend into the inner cavity at the bottom end of the fixed bottom plate (9);
the gaskets (83) are detachably mounted in inner cavities at the left side and the right side of the bottom end of the fixed bottom plate (9) and are positioned on the outer sides of the connecting ropes (82);
the fixture block (84) is fixedly connected to the bottom end of the connecting rope (82), is positioned in the inner cavities at the left side and the right side of the bottom end of the fixed bottom plate (9), and is in close contact with the gasket (83).
6. The automatic rolling movie curtain as claimed in claim 1, wherein: the strip-shaped opening at the bottom end of the protection box (1) is matched with the fixed bottom plate (9) in shape and size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021642015.5U CN213210708U (en) | 2020-08-10 | 2020-08-10 | Automatic film curtain of rolling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021642015.5U CN213210708U (en) | 2020-08-10 | 2020-08-10 | Automatic film curtain of rolling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213210708U true CN213210708U (en) | 2021-05-14 |
Family
ID=75838180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021642015.5U Active CN213210708U (en) | 2020-08-10 | 2020-08-10 | Automatic film curtain of rolling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213210708U (en) |
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2020
- 2020-08-10 CN CN202021642015.5U patent/CN213210708U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220217 Address after: 201607 Room 309, No. 181, Zhongshe Road, Maogang Town, Songjiang District, Shanghai Patentee after: Shanghai jiusen Industrial Co.,Ltd. Address before: 131200 community 1, Zhangbu village, Caijiagou Town, Fuyu County, Songyuan City, Jilin Province Patentee before: Zu Yaping |