CN210864310U - Reel type lifting electric projection screen - Google Patents
Reel type lifting electric projection screen Download PDFInfo
- Publication number
- CN210864310U CN210864310U CN201921349794.7U CN201921349794U CN210864310U CN 210864310 U CN210864310 U CN 210864310U CN 201921349794 U CN201921349794 U CN 201921349794U CN 210864310 U CN210864310 U CN 210864310U
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- China
- Prior art keywords
- cover body
- fixed
- stabilizing
- articulates
- projection screen
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- Expired - Fee Related
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- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The utility model discloses an electronic projection curtain of reel formula lift, including the cover body, fixed knot structure, wall body and stable structure, one side bronze drum nut of wall body is fixed with the mount, and the top of mount is provided with the couple. The utility model discloses a top at the mounting bracket is provided with stable structure, the fixed slot sets up in the bottom of mounting bracket both sides, the top of fixed slot articulates there is the second stabilizing spring, the top of second stabilizing spring articulates there is the stabilizer plate, the intermediate position department of stabilizer plate is provided with first stabilizing spring, the both ends of first stabilizing spring articulate there is the movable block, the bottom of movable block articulates there is the hinge bar, the bottom of hinge bar articulates in the both sides of mounting bracket bottom, pass the second stabilizing spring through the stabilizer plate with decurrent pulling force and carry out first decompression, rotation through the hinge bar makes the movable block compress realization second decompression to first stabilizing spring, twice decompression can the mount pressure in the twinkling of an eye that significantly reduces, reach stable mesh.
Description
Technical Field
The utility model relates to a projection curtain technical field specifically is an electronic projection curtain of reel formula lift.
Background
Along with the development of science and technology, people's sight is walked into gradually to the projection curtain, and the projection curtain can form the image beam that the projector throws on the plane, and people's of being convenient for watch, instant noodles such as teaching, meeting have extensive application, and this type of lift electric projection curtain on the market is various now, can satisfy people's user demand basically, but still has certain problem, and concrete problem has following several:
firstly, the traditional lifting electric projection screen has no stabilizing measures, and when the projection screen is used, if a user pulls the projection screen downwards, the projection screen is easy to loosen at the installation position, so that the use safety is influenced;
secondly, the traditional lifting electric projection screen mounting mode is troublesome, and no wall is arranged in some places, so that the mounting difficulty of mounting personnel is increased;
thirdly, the whole difficult dismantlement of traditional lift electronic projection screen is difficult to be dismantled the maintenance to the projection screen when the projection screen breaks down, increases use cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reel formula lift electronic projection curtain to solve traditional lift electronic projection curtain that provides in the above-mentioned background art and do not have the stabilizing measure, lead to the projection curtain to produce not hard up, the relatively troublesome and whole difficult problem of dismantling of mounting means easily in the installation department when dragging the projection curtain downwards.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reel formula lift electric projection curtain, includes the cover body, fixed knot constructs, wall body and stable structure, one side bronze drum nut of wall body is fixed with the mount, and the top of mount is provided with the couple, one side of mount is provided with the mounting bracket, the top of mounting bracket is provided with stable structure, and stable structure's top is provided with the cover body, one side of the cover body is provided with fixed knot constructs, the inside one side of the cover body is provided with servo motor, servo motor's output has the axis of rotation through the coupling joint, and the outside of axis of rotation is provided with the curtain, the bottom of curtain is provided with the bottom plate, the bottom of curtain one side is provided with the wire, the bottom of wire is provided with control panel, and control panel's inside is provided with the singlechip, control.
Preferably, fixed knot constructs from left to right and has set gradually installation lid, slider, installation piece, slide rail and pulley, and the slide rail sets up respectively in the intermediate position department of cover body top and bottom, and the installation piece welds in servo motor's bottom, and the pulley has been welded respectively to the top and the bottom of installation piece, and the top of installation lid is provided with the slider, and the installation lid is fixed in one side of the cover body.
Preferably, one side of the cover body is provided with a sliding groove, and the mounting cover and the cover body form a sliding structure.
Preferably, the top of one side of mounting bracket is provided with the locating pin, and one side of locating pin is provided with reset spring, and one side of mount is provided with the draw-in groove, and the one end of locating pin is provided with the fixture block, and mount and locating pin constitute the block structure.
Preferably, stable structure from the top down has set gradually fixed slot, movable block, first stabilizing spring, steadying plate, hinge bar and second stabilizing spring, and the fixed slot sets up in the bottom of mounting bracket both sides, and the top of fixed slot articulates there is the second stabilizing spring, and the top of second stabilizing spring articulates there is the steadying plate, and the intermediate position department of steadying plate is provided with first stabilizing spring, and the both ends of first stabilizing spring articulate there is the movable block, and the bottom of movable block articulates there is the hinge bar, and the bottom of hinge bar articulates in the both sides of mounting bracket bottom.
Preferably, the stabilizing plate is installed inside the fixing groove, and the second stabilizing springs are symmetrically distributed about a vertical bisector of the mounting bracket.
Compared with the prior art, the beneficial effects of the utility model are that: this reel formula lift electric projection curtain is rational in infrastructure, has following advantage:
(1) the top of the mounting frame is provided with the stabilizing structure, the fixing grooves are formed in the bottoms of two sides of the mounting frame, the top of each fixing groove is hinged with a second stabilizing spring, the top of each second stabilizing spring is hinged with a stabilizing plate, a first stabilizing spring is arranged in the middle of each stabilizing plate, two ends of each first stabilizing spring are hinged with movable blocks, the bottoms of the movable blocks are hinged with hinge rods, the bottoms of the hinge rods are hinged to two sides of the bottom of the mounting frame, downward pulling force is transmitted to the second stabilizing springs through the stabilizing plates to perform first pressure reduction, the movable blocks compress the first stabilizing springs through rotation of the hinge rods to achieve second pressure reduction, and the instant pressure of the mounting frame can be greatly reduced through the two-time pressure reduction, so that the purpose of stability;
(2) the fixing frame is fixed at the designated position on the wall body through the nut by arranging the fixing frame and the hook, if the mounting position is inconvenient, the fixing frame can be hung at the designated position through the hook, the cover body is mounted at the top of the stabilizing plate by rotating the mounting frame, then the mounting frame is rotated to the vertical position to be positioned and locked through the positioning pin and the fixing frame, and the reset spring can prevent the positioning pin from moving to enable the cover body to fall off, so that the purposes of improving safety and facilitating mounting are achieved;
(3) be provided with fixed knot through the one side at the cover body and construct, the slide rail sets up respectively in the intermediate position department of cover body top and bottom, the installation piece welds in servo motor's bottom, the pulley has been welded respectively to the top and the bottom of installation piece, the top of installation lid is provided with the slider, the installation lid is fixed in one side of the cover body, through rotating the installation lid, take off the installation lid from one side of the cover body, take out servo motor and axis of rotation through the pulling installation piece, reach the purpose of being convenient for to maintain, the pulley slides in the slide rail simultaneously and can reach laborsaving purpose.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a schematic side view of the fixing frame and the stabilizing structure of the present invention;
FIG. 3 is a schematic view of a side view of a portion of the fixing structure of the present invention;
fig. 4 is a front view of the mounting cover of the present invention.
In the figure: 1. a cover body; 2. a fixed mount; 3. a fixed structure; 301. a slide rail; 302. installing a cover; 303. mounting blocks; 304. a pulley; 305. a slider; 4. a servo motor; 5. a wire; 6. a single chip microcomputer; 7. a control panel; 8. a plug; 9. a base plate; 10. a curtain; 11. a rotating shaft; 12. a wall body; 13. a mounting frame; 14. a return spring; 15. stabilizing the structure; 1501. fixing grooves; 1502. a hinged lever; 1503. a first stabilizing spring; 1504. a movable block; 1505. a second stabilizing spring; 1506. a stabilizing plate; 16. hooking; 17. and a positioning pin.
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. 1-4, the present invention provides an embodiment: a reel type lifting electric projection screen comprises a cover body 1, a fixing structure 3, a wall body 12 and a stable structure 15, wherein a fixing frame 2 is fixed on a bronze drum nut on one side of the wall body 12, a hook 16 is arranged at the top of the fixing frame 2, a mounting frame 13 is arranged on one side of the fixing frame 2, a positioning pin 17 is arranged at the top of one side of the mounting frame 13, a reset spring 14 is arranged on one side of the positioning pin 17, a clamping groove is arranged on one side of the fixing frame 2, a clamping block is arranged at one end of the positioning pin 17, and the fixing frame 2 and the positioning pin 17 form a clamping;
a stabilizing structure 15 is arranged at the top of the mounting frame 13, a cover body 1 is arranged at the top of the stabilizing structure 15, a fixing groove 1501, a movable block 1504, a first stabilizing spring 1503, a stabilizing plate 1506, a hinge rod 1502 and a second stabilizing spring 1505 are sequentially arranged on the stabilizing structure 15 from top to bottom, the fixing groove 1501 is arranged at the bottom of two sides of the mounting frame 13, the top of the fixing groove 1501 is hinged with the second stabilizing spring 1505, the top of the second stabilizing spring 1505 is hinged with the stabilizing plate 1506, the middle position of the stabilizing plate 1506 is provided with the first stabilizing spring 1503, two ends of the first stabilizing spring 1503 are hinged with the movable block 1504, the bottom of the movable block 1504 is hinged with the hinge rod 1502, the bottom of the hinge rod 1502 is hinged at two sides of the bottom of the mounting frame 13, the stabilizing plate 1506 is arranged in the fixing groove 1501, and the second stabilizing springs 1505;
when the device is used, the downward pulling force is transmitted to the second stabilizing spring 1505 through the stabilizing plate 1506 for first decompression, the movable block 1504 is enabled to compress the first stabilizing spring 1503 through the rotation of the hinge rod 1502 for second decompression, the instant pressure of the fixing frame 2 can be greatly reduced through the two decompressions, and the purpose of stabilization is achieved;
one side of the cover body 1 is provided with a fixed structure 3, the fixed structure 3 is sequentially provided with an installation cover 302, a sliding block 305, an installation block 303, a sliding rail 301 and a pulley 304 from left to right, the sliding rail 301 is respectively arranged at the middle position of the top and the bottom of the cover body 1, the installation block 303 is welded at the bottom of the servo motor 4, the type of the servo motor 4 can be ASD-A2, the pulley 304 is respectively welded at the top and the bottom of the installation block 303, the sliding block 305 is arranged at the top of the installation cover 302, the installation cover 302 is fixed at one side of the cover body 1, one side of the cover body 1 is provided with a sliding groove, and the;
when the mounting cover is used, the mounting cover 302 is rotated, the mounting cover 302 is taken down from one side of the cover body 1, the servo motor 4 and the rotating shaft 11 are taken out by pulling the mounting block 303, the purpose of convenient maintenance is achieved, and meanwhile, the pulley 304 slides in the sliding rail 301, so that the purpose of labor saving can be achieved;
a servo motor 4 is arranged on one side inside the cover body 1, the output end of the servo motor 4 is connected with a rotating shaft 11 through a coupler, a curtain 10 is arranged on the outer side of the rotating shaft 11, a bottom plate 9 is arranged at the bottom of the curtain 10, a lead 5 is arranged at the bottom of one side of the curtain 10, a control panel 7 is arranged at the bottom of the lead 5, the type of the control panel 7 can be MAM-330, a single chip microcomputer 6 is arranged inside the control panel 7, and a plug 8 is arranged at the bottom of the control panel 7;
the output end of the control panel 7 is fixedly connected with the input end of the single chip microcomputer 6 through a wire 5, and the output end of the single chip microcomputer 6 is fixedly connected with the input end of the servo motor 4 through a wire 5.
The working principle is as follows: when the curtain is used, the fixed frame 2 is fixed at a designated position on the wall 12 through a nut, if the mounting position is inconvenient, the fixed frame 2 can be hung at the designated position through the hook 16, the cover body 1 is mounted at the top of the stabilizing plate 1506 by rotating the mounting frame 13, then the mounting frame 13 is rotated to the vertical position to be positioned and locked with the fixed frame 2 through the positioning pin 17, the reset spring 14 can prevent the positioning pin 17 from moving to enable the cover body 1 to fall off, and the purposes of improving safety and facilitating mounting are achieved, the lifting of the curtain 10 can be controlled through the control panel 7, children pull the bottom plate 9 or the rotating shaft 11 in the using process, stable decompression can be performed through the stabilizing structure 15, downward pulling force is transmitted to the second stabilizing spring through the stabilizing plate 1506 to perform primary decompression, the movable block 1503 compresses the first stabilizing spring through the rotation of the hinged rod 1502 to realize secondary decompression, twice decompression can significantly reduce the mount 2 pressure in the twinkling of an eye, reach stable purpose, when the projection curtain breaks down in the use, take off the cover body 1 from mount 2, through rotating installation lid 302, take off installation lid 302 from one side of the cover body 1, take out servo motor 4 and axis of rotation 11 through pulling installation piece 303, reach the purpose of being convenient for maintain, pulley 304 slides in slide rail 301 can reach laborsaving purpose simultaneously.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.
Claims (6)
1. The utility model provides an electronic projection curtain of reel formula lift, includes the cover body (1), fixed knot constructs (3), wall body (12) and stable structure (15), its characterized in that: a fixing frame (2) is fixed on a bronze drum nut on one side of the wall body (12), a hook (16) is arranged at the top of the fixing frame (2), a mounting frame (13) is arranged on one side of the fixing frame (2), a stable structure (15) is arranged at the top of the mounting frame (13), a cover body (1) is arranged at the top of the stable structure (15), a fixed structure (3) is arranged on one side of the cover body (1), a servo motor (4) is arranged on one side inside the cover body (1), the output end of the servo motor (4) is connected with a rotating shaft (11) through a coupler, a curtain (10) is arranged on the outer side of the rotating shaft (11), a bottom plate (9) is arranged at the bottom of the curtain (10), a lead (5) is arranged at the bottom of one side of the curtain (10), and a control panel (, and a singlechip (6) is arranged in the control panel (7), and a plug (8) is arranged at the bottom of the control panel (7).
2. The roll-type elevating electric projection screen as claimed in claim 1, wherein: fixed knot constructs (3) and has set gradually installation lid (302), slider (305), installation piece (303), slide rail (301) and pulley (304) from left to right, slide rail (301) set up respectively in the intermediate position department of the cover body (1) top and bottom, installation piece (303) weld in the bottom of servo motor (4), pulley (304) have been welded respectively to the top and the bottom of installation piece (303), the top of installation lid (302) is provided with slider (305), installation lid (302) are fixed in one side of the cover body (1).
3. The roll-type elevating electric projection screen as claimed in claim 2, wherein: one side of the cover body (1) is provided with a sliding groove, and the mounting cover (302) and the cover body (1) form a sliding structure.
4. The roll-type elevating electric projection screen as claimed in claim 1, wherein: the top of one side of the mounting rack (13) is provided with a positioning pin (17), one side of the positioning pin (17) is provided with a return spring (14), one side of the fixing rack (2) is provided with a clamping groove, one end of the positioning pin (17) is provided with a clamping block, and the fixing rack (2) and the positioning pin (17) form a clamping structure.
5. The roll-type elevating electric projection screen as claimed in claim 1, wherein: stable structure (15) from the top down has set gradually fixed slot (1501), movable block (1504), first stable spring (1503), stabilizing plate (1506), articulated pole (1502) and second stable spring (1505), fixed slot (1501) set up in the bottom of mounting bracket (13) both sides, the top of fixed slot (1501) articulates there is second stable spring (1505), the top of second stable spring (1505) is articulated has stabilizing plate (1506), the intermediate position department of stabilizing plate (1506) is provided with first stable spring (1503), the both ends of first stable spring (1503) articulate has movable block (1504), the bottom of movable block (1504) articulates there is articulated pole (1502), the bottom of articulated pole (1502) articulates in the both sides of mounting bracket (13) bottom.
6. The roll-type elevating electric projection screen as claimed in claim 5, wherein: the stabilizing plate (1506) is mounted inside the fixing groove (1501), and the second stabilizing springs (1505) are symmetrically distributed about a perpendicular bisector of the mounting bracket (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921349794.7U CN210864310U (en) | 2019-08-20 | 2019-08-20 | Reel type lifting electric projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921349794.7U CN210864310U (en) | 2019-08-20 | 2019-08-20 | Reel type lifting electric projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210864310U true CN210864310U (en) | 2020-06-26 |
Family
ID=71304896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921349794.7U Expired - Fee Related CN210864310U (en) | 2019-08-20 | 2019-08-20 | Reel type lifting electric projection screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210864310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023423A (en) * | 2020-09-11 | 2020-12-04 | 北京中科华视科技有限公司 | Self-guiding stretching electric curtain |
-
2019
- 2019-08-20 CN CN201921349794.7U patent/CN210864310U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023423A (en) * | 2020-09-11 | 2020-12-04 | 北京中科华视科技有限公司 | Self-guiding stretching electric curtain |
| CN112023423B (en) * | 2020-09-11 | 2021-11-02 | 北京中科华视科技有限公司 | Self-guiding stretching electric curtain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 Termination date: 20210820 |