CN114488676A - Electronic curtain based on long-range wireless communication control - Google Patents
Electronic curtain based on long-range wireless communication control Download PDFInfo
- Publication number
- CN114488676A CN114488676A CN202210175461.7A CN202210175461A CN114488676A CN 114488676 A CN114488676 A CN 114488676A CN 202210175461 A CN202210175461 A CN 202210175461A CN 114488676 A CN114488676 A CN 114488676A
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- Prior art keywords
- shaft
- curtain
- frame
- hexagonal
- buckle
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
Abstract
The invention discloses an electric screen based on remote wireless communication control, relates to the technical field of multimedia teaching, and solves the problems that the electric screen used at present is generally rolled from the top, and the side of the electric screen does not have an auxiliary structure for keeping the balance of the side of a curtain cloth when the electric screen is stretched. An electric curtain based on remote wireless communication control comprises a fixed plate; the main body of the fixing plate is of a straight plate structure, and a through groove is formed in the middle of the rear side of the fixing plate; a wireless controller, a motor and a transmission bin are fixedly arranged on one side of the front end of the fixing plate; the both ends of fixed plate are provided with two sets of curb plates through the bolt fastening, through being provided with hexagonal axle, driven lever and hack lever, provide steady rolling function for electronic curtain, and hexagonal axle can drive driven lever and hack lever rotation and last the roll-up to the curtain, with the curtain by falling the roll-up down, can be fine stretch roll curtain, and hexagonal axle can last the effect that provides the auxiliary stay at the in-process of curtain roll-up simultaneously, can make the curtain keep balance.
Description
Technical Field
The invention relates to the technical field of multimedia teaching, in particular to an electric screen based on remote wireless communication control.
Background
Electric curtains are tools used in movies, offices, home theaters, large conferences, etc. to display images and video files.
For example, patent that patent number is CN210199487U through the retrieval discloses an electronic anti light curtain of long-range wireless remote control formula, including the mounting bracket, the inside location screw of having seted up of mounting bracket, and mounting bracket front end fixedly connected with control box, control box lower extreme fixedly connected with protection box, and the first driving motor of control box lower extreme fixedly connected with, it is inboard that first driving motor is located protection box, inside first driving motor output passed control box lower extreme and extended to control box, and first driving motor output fixedly connected with lead screw body, lead screw body outside swing joint has the lead screw slider, and lead screw slider front end fixedly connected with shell, the inside rotation of shell is connected with the wind-up roll, and wind-up roll outside swing joint has anti light curtain body. This electronic anti light curtain of long-range wireless remote control formula makes the projected picture of projecting apparatus keep in the centre, has increased whole flexibility, and has increased holistic radiating effect, wholly can realize long-range wireless remote control simultaneously, has increased holistic practicality.
For example, patent No. CN207234908U discloses a multimedia screen wirelessly controlled by a smart phone in an electric vehicle, wherein a display screen is arranged on the front of a multimedia host, a pair of mounting plates are arranged above two sides of the multimedia host, one side of the display screen on the multimedia host is sequentially provided with a switch, a volume adjusting key, an SD card slot, an AUS reset key, and a USB socket from top to bottom, a built-in circuit board is arranged in the multimedia host, a central controller is arranged in the center of the built-in circuit board, the central controller is respectively connected with a radio module, an MP3 module, an MP4 module, a photo browsing module, a back-up image module, a bluetooth playing module, a mobile phone module, and a language system module, and a wire is arranged between the central controller and the radio module, the MP3 module, the MP4 module, the photo browsing module, the back-up image module, the bluetooth playing module, the mobile phone module, and the language system module, and the smart phone and the bluetooth playing module transmit signal data to each other through wireless signals; each module is controlled through the central controller, the smart phone and the Bluetooth playing module transmit signal data through wireless signals, after the smart phone and the Bluetooth playing module are connected, contents in the smart phone can be watched on the display screen at will, and the comfort level is increased.
However, the currently used electric curtain is generally rolled up from the top, the side does not have an auxiliary structure for keeping the balance of the side of the curtain when the curtain is stretched, and the curtain is not stretched when the curtain is rolled up, so that the curtain is inconvenient to be continuously, uniformly and synchronously rolled up, and the balance of the curtain is kept when the curtain is rolled up, therefore, the existing requirements are not met, and the electric curtain based on remote wireless communication control is provided.
Disclosure of Invention
Problem (A)
The invention aims to provide a remote wireless communication control-based electric curtain, which solves the problems that the existing electric curtain proposed in the background art is generally rolled from the top, the side of the electric curtain does not have an auxiliary structure for keeping the balance of the side of the curtain when the electric curtain is stretched, the electric curtain does not have the function of pulling the curtain when the electric curtain is rolled, the curtain is inconvenient to be continuously, uniformly and synchronously rolled, and the balance of the curtain is kept when the electric curtain is rolled.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: an electric curtain based on remote wireless communication control comprises a fixed plate; the main body of the fixing plate is of a straight plate structure, and a through groove is formed in the middle of the rear side of the fixing plate; a wireless controller, a motor and a transmission bin are fixedly arranged on one side of the front end of the fixing plate; two ends of the fixed plate are fixedly provided with two groups of side plates through bolts; a clamping seat is fixedly arranged at the front end of the top of the side plate; the clamping seat also comprises an alignment frame, a spring rod, a sliding sheet and a side clamping frame; the front end of the clamping seat is integrally provided with an alignment frame and a side clamping frame; a T-shaped sliding hole is formed in the middle of the bottom of the alignment frame; four groups of spring rods are fixedly arranged at the bottom of the alignment frame, sliding sheets are arranged outside the spring rods in a sliding mode, and the spring rods penetrate through the sliding sheets to be sleeved with springs and are fixedly provided with blocking sheets.
Preferably, the side plate further comprises a side shaft and a guide rail groove; a shaft bracket structure is integrally arranged at the top of the outer side of the top of the side plate, and a side shaft is rotatably arranged in the shaft bracket structure of the side plate through a rotating shaft; a transmission shaft is rotatably arranged between the tops of the two groups of side plates, and two ends of the transmission shaft are in transmission connection with the bottom end of the side shaft through bevel gears; the motor is in transmission connection with the transmission shaft through a belt; a guide rail groove is formed in the bottom of the front side of the side plate, and a sliding seat is arranged in the guide rail groove in a sliding mode through a guide rail.
Preferably, the clamping seat further comprises an inclined block and a hexagonal shaft; an inclined block is integrally arranged in the middle of the top of the sliding sheet and is slidably arranged in the T-shaped sliding hole of the alignment frame; a shaft bracket structure is integrally arranged at the top of the outer side of the clamping seat, a hexagonal shaft is rotatably arranged in the shaft bracket structure of the clamping seat, and the top end of the hexagonal shaft and the top of the side shaft are provided with the same gear engagement.
Preferably, the sliding seat further comprises a half shaft frame, a driven rod, a connecting half frame and a gear cylinder; a half shaft frame is integrally arranged at the front end of the outer side of the sliding seat, a connecting half frame is fixedly arranged at the bottom of the half shaft frame, and a driven rod is rotatably arranged between the half shaft frame and the connecting half frame; a gear barrel is rotatably arranged in the connecting half frame through a bearing, the outer side of the top of the gear barrel is of a gear structure, and a gear is arranged outside the connecting half frame and meshed with the gear barrel.
Preferably, the bottom of the hexagonal shaft penetrates through the gear cylinder and is in sliding connection with the gear cylinder; a hack lever is transversely and rotatably arranged in the semi-shaft frame, and a bevel gear is arranged between the hack lever and the driven lever for transmission connection.
Preferably, the rack rod further comprises a hexagonal buckle, a circular groove and a positioning pin; one end of the hack lever is of a hexagonal polished rod structure, and the outer end of the hexagonal polished rod structure is fixedly provided with a catch; a hexagonal buckle is slidably arranged outside the hexagonal polished rod structure, and a spring is sleeved outside the hexagonal polished rod structure at the back of the hexagonal buckle; a round groove is formed in the middle of one end of the hexagonal buckle; the avris integral type of hexagonal knot is provided with cross structure, and cross structure tip integral type is provided with the locating pin.
Preferably, the alignment frame and the side clamping frame are internally provided with assembly frame blocks through inclined blocks in a clamping manner, and the structures of the assembly frame blocks are matched with the inner sides of the alignment frame and the side clamping frame; a coil buckle is hung between the two groups of assembly frame blocks, the coil buckle is of a half-cylinder structure, and the circle centers of the two sides of the coil buckle are provided with through grooves.
Preferably, a curtain is fixedly arranged at the bottom of the rear side of the rolling buckle, and the side of the curtain is narrower than the rolling buckle; the bottom of the curtain is fixedly provided with a bottom roller; the two sides of the bottom roller are integrally provided with round pieces, four groups of pin holes are formed in the round pieces, and positioning pins can be inserted into the pin holes of the round pieces for self-locking and fixing; the distance between the two ends of the bottom roller is narrower than that of the winding buckle.
(III) advantageous effects
The invention provides an electric curtain based on remote wireless communication control, which provides a stable winding function for the electric curtain by arranging a hexagonal shaft, a driven rod and a rack rod, wherein the hexagonal shaft can drive the driven rod and the rack rod to rotate to continuously wind the curtain, the curtain is wound from bottom to top, the curtain can be stretched and rolled well, meanwhile, the hexagonal shaft can continuously provide an auxiliary supporting effect in the curtain winding process, and the curtain can be kept in balance.
Secondly, the setting of hack lever, can be nimble carry out the dismouting to the bottom roll, the hack lever is detained through the hexagon and is connected with the bottom roll transmission, and the hexagon is detained and is fixed with the bottom roll auto-lock through locating pin cooperation spring, makes things convenient for the dismouting, provides convenience for the assembly of curtain, can make the curtain rolling after block to roll up detain in, roll up to detain and can provide the protection for the curtain.
Moreover, the setting of sloping block and assembly frame piece can provide convenient dismantlement installation function for the curtain, and the assembly frame piece can be located through the auto-lock nature structure card of sloping block and adjust well frame and side card frame, can wash or change together with the whole dismantlement of curtain.
Drawings
FIG. 1 is a schematic perspective front view of an embodiment of the present invention;
FIG. 2 is a schematic perspective rear view structure in an embodiment of the present invention;
FIG. 3 is a partial perspective view of an embodiment of the present invention;
FIG. 4 is an enlarged partial structural view of part A in the embodiment of the present invention;
FIG. 5 is an enlarged partial structural view of a portion B in the embodiment of the present invention;
FIG. 6 is an enlarged view of a portion C according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a partial enlarged structure of D in the embodiment of the present invention;
FIG. 8 is a schematic perspective view of a frame bar according to an embodiment of the present invention;
in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:
1. a fixing plate; 2. a wireless controller; 3. a motor; 4. a transmission bin; 5. a side plate; 501. a side shaft; 502. a guide rail groove; 6. a drive shaft; 7. a card holder; 701. aligning the stand; 702. a spring lever; 703. sliding blades; 704. a sloping block; 705. a side clamping frame; 706. a hexagonal shaft; 8. a slide base; 801. a half-shaft frame; 802. a driven lever; 803. connecting the half frames; 804. a gear cylinder; 9. a frame bar; 901. six-side buckle; 902. a circular groove; 903. positioning pins; 10. assembling a frame block; 11. rolling and buckling; 12. a curtain; 13. and (7) a bottom roller.
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 a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 8, an embodiment of the present invention includes: an electric curtain based on remote wireless communication control comprises a fixed plate 1; the main body of the fixed plate 1 is of a straight plate structure, and a through groove is formed in the middle of the rear side of the fixed plate 1; a wireless controller 2, a motor 3 and a transmission bin 4 are fixedly arranged on one side of the front end of the fixed plate 1; two ends of the fixed plate 1 are fixedly provided with two groups of side plates 5 through bolts; the side plate 5 further comprises a side shaft 501 and a guide rail groove 502; a shaft bracket structure is integrally arranged at the top of the outer side of the top of the side plate 5, and a side shaft 501 is rotatably arranged in the shaft bracket structure of the side plate 5 through a rotating shaft; a transmission shaft 6 is rotatably arranged between the tops of the two groups of side plates 5, and two ends of the transmission shaft 6 are in transmission connection with the bottom end of the side shaft 501 through bevel gears; the motor 3 is in belt transmission connection with the transmission shaft 6; a guide rail groove 502 is formed in the bottom of the front side of the side plate 5, and a sliding seat 8 is arranged in the guide rail groove 502 in a sliding manner through a guide rail; the sliding base 8 further comprises a half shaft frame 801, a driven rod 802, a connecting half frame 803 and a gear cylinder 804; a half shaft frame 801 is integrally arranged at the front end of the outer side of the sliding seat 8, a connecting half frame 803 is fixedly arranged at the bottom of the half shaft frame 801, and a driven rod 802 is rotatably arranged between the half shaft frame 801 and the connecting half frame 803; a gear barrel 804 is rotatably arranged in the connecting half frame 803 through a bearing, the outer side of the top of the gear barrel 804 is of a gear structure, and a gear is arranged outside the connecting half frame 803 and meshed with the gear barrel 804; a clamping seat 7 is fixedly arranged at the front end of the top of the side plate 5; the card seat 7 also comprises an alignment frame 701, a spring rod 702, a slide sheet 703 and a side card frame 705; the front end of the card seat 7 is integrally provided with an alignment frame 701 and a side card frame 705; a T-shaped sliding hole is formed in the middle of the bottom of the alignment frame 701; four groups of spring rods 702 are fixedly arranged at the bottom of the alignment frame 701, sliding sheets 703 are arranged outside the spring rods 702 in a sliding manner, and the spring rods 702 penetrate through the sliding sheets 703 to be sleeved with springs and are fixedly provided with blocking sheets; wherein, the clamping seat 7 also comprises an inclined block 704 and a hexagonal shaft 706; an inclined block 704 is integrally arranged in the middle of the top of the sliding sheet 703, and the inclined block 704 is slidably arranged in a T-shaped sliding hole of the alignment frame 701; a shaft bracket structure is integrally arranged at the top of the outer side of the clamping seat 7, a hexagonal shaft 706 is rotatably arranged in the shaft bracket structure of the clamping seat 7, and the top end of the hexagonal shaft 706 is meshed with the same gear arranged at the top of the side shaft 501; the bottom of the hexagonal shaft 706 penetrates through the gear cylinder 804 and is in sliding connection with the gear cylinder 804; a rack rod 9 is transversely and rotatably arranged in the semi-shaft frame 801, and a bevel gear is arranged between the rack rod 9 and the driven rod 802 for transmission connection; wherein, the hack lever 9 also comprises a hexagonal buckle 901, a circular groove 902 and a positioning pin 903; one end of the hack lever 9 is a hexagonal polished rod structure, and the outer end of the hexagonal polished rod structure is fixedly provided with a catch; a hexagonal buckle 901 is slidably arranged outside the hexagonal polished rod structure, and a spring is sleeved outside the hexagonal polished rod structure at the back of the hexagonal buckle 901; a round groove 902 is formed in the middle of one end of the hexagonal buckle 901; the avris of hexagonal knot 901 is provided with cross structure, and cross structure tip integral type is provided with locating pin 903.
Wherein, the alignment frame 701 and the side clamping frame 705 are clamped with an assembly frame block 10 through an inclined block 704, and the structure of the assembly frame block 10 is matched with the inner sides of the alignment frame 701 and the side clamping frame 705; a coil buckle 11 is hung between the two groups of assembly frame blocks 10, the coil buckle 11 is of a half-cylinder structure, and through grooves are formed in the circle centers of the two sides of the coil buckle 11.
Wherein, the back bottom of the rolling buckle 11 is fixedly provided with a curtain 12, and the side of the curtain 12 is narrower than the rolling buckle 11; the bottom of the curtain 12 is fixedly provided with a bottom roller 13; the two sides of the bottom roller 13 are integrally provided with round pieces, four groups of pin holes are formed in the round pieces, and the positioning pins 903 can be inserted into the pin holes of the round pieces for self-locking and fixing; the distance between the two ends of the bottom roller 13 is narrower than that of the turnbuckle 11.
The working principle is as follows: when the curtain winding machine is used, when winding is needed, the motor 3 is started through the wireless controller 2, the motor 3 drives the transmission shaft 6 to rotate through belt transmission, the two ends of the transmission shaft 6 drive the side shaft 501 to rotate through bevel gears, the side shaft 501 drives the hexagonal shaft 706 to rotate through gears, the hexagonal shaft 706 drives the gear cylinder 804 to rotate, the gear cylinder 804 drives the driven rod 802 to rotate through gears, the driven rod 802 drives the rack rod 9 to rotate through bevel gears, the rack rod 9 further drives the bottom roller 13 to rotate to wind up a curtain 12, and the curtain 12 is clamped into the winding buckle 11 to complete winding; the bottom roller 13 can be pulled up by itself while the curtain 12 is being rolled up, and the carriage 8 can be lifted up by the frame rod 9.
The assembly frame block 10 is self-locked and fixed through the inclined block 704 matched with a spring, the inclined block 704 can be pulled out downwards when the assembly frame block 10 needs to be disassembled, then the positioning pin 903 is taken out of the bottom roller 13, and the curtain 12 is integrally disassembled to be cleaned or replaced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 (4)
1. The utility model provides an electronic curtain based on long-range wireless communication control which characterized in that: comprises a fixed plate (1); the main body of the fixing plate (1) is of a straight plate structure, and a through groove is formed in the middle of the rear side of the fixing plate (1); a wireless controller (2), a motor (3) and a transmission bin (4) are fixedly arranged on one side of the front end of the fixing plate (1); two ends of the fixed plate (1) are fixedly provided with two groups of side plates (5) through bolts; a clamping seat (7) is fixedly arranged at the front end of the top of the side plate (5); the clamping seat (7) further comprises an alignment frame (701), a spring rod (702), a sliding sheet (703) and a side clamping frame (705); the front end of the card seat (7) is integrally provided with an alignment frame (701) and a side card frame (705); a T-shaped sliding hole is formed in the middle of the bottom of the alignment frame (701); four groups of spring rods (702) are fixedly arranged at the bottom of the alignment frame (701), sliding sheets (703) are arranged outside the spring rods (702) in a sliding manner, and the spring rods (702) penetrate through the sliding sheets (703) to be sleeved with springs and are fixedly provided with blocking sheets;
the side plate (5) further comprises a side shaft (501) and a guide rail groove (502); a shaft bracket structure is integrally arranged at the top of the outer side of the top of the side plate (5), and a side shaft (501) is rotatably arranged in the shaft bracket structure of the side plate (5) through a rotating shaft; a transmission shaft (6) is rotatably arranged between the tops of the two groups of side plates (5), and two ends of the transmission shaft (6) are in transmission connection with the bottom end of the side shaft (501) through bevel gears; the motor (3) is in belt transmission connection with the transmission shaft (6); a guide rail groove (502) is formed in the bottom of the front side of the side plate (5), and a sliding seat (8) is arranged in the guide rail groove (502) in a sliding mode through a guide rail;
an assembly frame block (10) is clamped in the alignment frame (701) and the side clamping frame (705) through an inclined block (704), and the structure of the assembly frame block (10) is matched with the inner sides of the alignment frame (701) and the side clamping frame (705); a winding buckle (11) is hung between the two groups of assembly frame blocks (10), the winding buckle (11) is of a half-cylinder structure, and the circle centers of the two sides of the winding buckle (11) are provided with through grooves;
a curtain (12) is fixedly arranged at the bottom of the rear side of the rolling buckle (11), and the side of the curtain (12) is narrower than the rolling buckle (11); a bottom roller (13) is fixedly arranged at the bottom of the curtain (12); the two sides of the bottom roller (13) are integrally provided with round pieces, four groups of pin holes are formed in the round pieces, and the positioning pins (903) can be inserted into the pin holes of the round pieces for self-locking and fixing; the distance between the two ends of the bottom roller (13) is narrower than that of the rolling buckle (11).
2. The electric curtain based on the remote wireless communication control of claim 1, wherein: the clamping seat (7) also comprises an inclined block (704) and a hexagonal shaft (706); an inclined block (704) is integrally arranged in the middle of the top of the sliding sheet (703), and the inclined block (704) is slidably arranged in a T-shaped sliding hole of the alignment frame (701); a shaft frame structure is integrally arranged at the top of the outer side of the clamping seat (7), a hexagonal shaft (706) is rotatably arranged in the shaft frame structure of the clamping seat (7), and the top end of the hexagonal shaft (706) is meshed with the top of the side shaft (501) through the same gears.
3. The electric curtain based on the remote wireless communication control of claim 2, wherein: the bottom of the hexagonal shaft (706) penetrates through the tooth cylinder (804) to be in sliding connection with the tooth cylinder (804); a rack rod (9) is transversely and rotatably arranged in the semi-shaft frame (801), and a bevel gear is arranged between the rack rod (9) and the driven rod (802) for transmission connection.
4. The electric curtain based on the remote wireless communication control of claim 3, wherein: the rack rod (9) also comprises a hexagonal buckle (901), a circular groove (902) and a positioning pin (903); one end of the hack lever (9) is of a hexagonal polished rod structure, and the outer end of the hexagonal polished rod structure is fixedly provided with a catch; a hexagonal buckle (901) is slidably arranged outside the hexagonal polished rod structure, and a spring is sleeved outside the hexagonal polished rod structure at the back of the hexagonal buckle (901); a round groove (902) is formed in the middle of one end of the hexagonal buckle (901); the edge side of the hexagonal buckle (901) is integrally provided with a cross structure, and the end part of the cross structure is integrally provided with a positioning pin (903).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210175461.7A CN114488676A (en) | 2020-12-16 | 2020-12-16 | Electronic curtain based on long-range wireless communication control |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210175461.7A CN114488676A (en) | 2020-12-16 | 2020-12-16 | Electronic curtain based on long-range wireless communication control |
| CN202011484693.8A CN112558402B (en) | 2020-12-16 | 2020-12-16 | Electronic curtain based on long-range wireless communication control |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011484693.8A Division CN112558402B (en) | 2020-12-16 | 2020-12-16 | Electronic curtain based on long-range wireless communication control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114488676A true CN114488676A (en) | 2022-05-13 |
Family
ID=75064056
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210175461.7A Withdrawn CN114488676A (en) | 2020-12-16 | 2020-12-16 | Electronic curtain based on long-range wireless communication control |
| CN202210175196.2A Withdrawn CN114518687A (en) | 2020-12-16 | 2020-12-16 | Electric curtain controlled by wireless communication |
| CN202011484693.8A Active CN112558402B (en) | 2020-12-16 | 2020-12-16 | Electronic curtain based on long-range wireless communication control |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210175196.2A Withdrawn CN114518687A (en) | 2020-12-16 | 2020-12-16 | Electric curtain controlled by wireless communication |
| CN202011484693.8A Active CN112558402B (en) | 2020-12-16 | 2020-12-16 | Electronic curtain based on long-range wireless communication control |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN114488676A (en) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB428331A (en) * | 1934-06-07 | 1935-05-10 | Edward George Turner | Improved construction of portable projection screens |
| JP3411515B2 (en) * | 1998-08-20 | 2003-06-03 | 泉株式会社 | Portable screen |
| CN101625516B (en) * | 2008-07-10 | 2010-12-01 | 苏州璨宇光学有限公司 | Speed reducer and translucent screen reel releasing mechanism |
| CN102253584A (en) * | 2010-05-18 | 2011-11-23 | 极品影视设备科技(深圳)有限公司 | Square hidden ceiling projection screen |
| CA2713016A1 (en) * | 2010-08-11 | 2012-02-11 | Copernicus Educational Products Inc. | Projector arm assembly for whiteboard stand |
| CN102476535A (en) * | 2010-11-21 | 2012-05-30 | 张琳 | Blackboard for teaching |
| JP6035986B2 (en) * | 2012-08-10 | 2016-11-30 | 株式会社オーエスエム | Magnet screen device |
| CN103399454B (en) * | 2013-08-05 | 2015-11-25 | 深圳市安联商用机器有限公司 | A kind of screen and underwind mechanism and control method thereof |
| CN105425525B (en) * | 2016-01-14 | 2017-04-12 | 江苏久誉显示科技有限公司 | Ultra-large downward-rolling type electric elevating screen |
| CN210072305U (en) * | 2019-05-12 | 2020-02-14 | 金华信捷网络科技有限公司 | Projection curtain convenient to maintain |
| CN210199487U (en) * | 2019-08-15 | 2020-03-27 | 深圳山姆仕视听科技有限公司 | Remote wireless remote control type electric light-resistant curtain |
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2020
- 2020-12-16 CN CN202210175461.7A patent/CN114488676A/en not_active Withdrawn
- 2020-12-16 CN CN202210175196.2A patent/CN114518687A/en not_active Withdrawn
- 2020-12-16 CN CN202011484693.8A patent/CN112558402B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112558402A (en) | 2021-03-26 |
| CN114518687A (en) | 2022-05-20 |
| CN112558402B (en) | 2022-04-19 |
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