CN216160971U

CN216160971U - Windproof curtain of projector

Info

Publication number: CN216160971U
Application number: CN202122089771.0U
Authority: CN
Inventors: 张磊
Original assignee: Zhongying Ruihang Beijing Technology Development Co ltd
Current assignee: Liyang Xingyue Cinema Management Co.,Ltd.
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-04-01
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a windproof curtain of a projector, which has the technical scheme that: the curtain hanging rod fixing device comprises a fixing frame and supporting rods, wherein the two ends of the bottom of the fixing frame are respectively provided with the supporting rods, the opposite surfaces of the supporting rods are fixedly provided with winding rods, the outer side of each winding rod is sleeved with a projection curtain, the bottom of each projection curtain is fixedly provided with a curtain hanging rod, the two ends of each curtain hanging rod are fixedly provided with screw rods, the bottom end face of each curtain hanging rod is fixedly provided with a fastening device, the middle of each fastening device is fixedly provided with a fixed stop block, the bottom of each fastening device is fixedly provided with a supporting column, the inner part of each supporting column is fixedly provided with a movable rod, the outer surface of each movable rod is uniformly provided with a second positioning groove, and the outer side of each supporting column is provided with a mounting hole.

Description

Windproof curtain of projector

Technical Field

The utility model relates to the technical field of curtains, in particular to a windproof curtain of a projector.

Background

Projector curtains are one of the most commonly used products in projector peripherals. If the projector curtain is properly matched with the projector, a high-quality projection effect can be obtained. The projector screen can be divided into a reflection type and a transmission type in general in function; reflective for front projection and transmissive for rear projection; the positive projection screen is divided into a plane screen and an arc screen; and may be classified into a glass curtain, a metal curtain, an embossed plastic curtain, etc. in terms of texture.

The application discloses a projector windproof curtain, which comprises a projection cloth, a scroll and a scroll mounting plate; a driving motor for driving the scroll to rotate, a cross rod and a cylinder for driving the cross rod to move along the Z axis are arranged on the scroll mounting plate; the cross rod is provided with a bearing seat which is rotatably connected with the mounting scroll; the end part of the scroll is provided with a rotating wheel; the rotating wheel is connected with the movable end of the driving motor through an elastic belt; a plurality of iron pieces are uniformly distributed on the back of the projection cloth; the magnetic part is fixedly arranged on the wall body and correspondingly adsorbed to the iron part; when the device is used, the air cylinder drives the cross rod to operate so that the scroll and the wall body keep a certain distance, then the driving motor operates to drive the scroll to rotate, the scroll unreels the projection cloth, the air cylinder drives the cross rod to retract after unreeling is completed, an iron piece on the projection cloth and a magnetic piece on the wall body are adsorbed and fixed, the windproof effect is good, and magnetic piece interference during unreeling is avoided; the whole structure is simple, and the cost is low.

The current projecting apparatus curtain frame still has certain drawback when using, and when meetting wind, the curtain can move, influences people's watching, probably appears empting the phenomenon, influences people's sight shadow effect, and the projecting cloth falls grey easily, and inconvenient clearance uses comparatively inconveniently.

SUMMERY OF THE UTILITY MODEL

In view of the problems mentioned in the background, it is an object of the present invention to provide a windbreak for a projector to solve the problems mentioned in the background.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a projecting apparatus prevent wind curtain, including mount and bracing piece, the bottom both ends of mount are provided with the bracing piece respectively, the fixed winding pole that is provided with in bracing piece facade, the outside cover of winding pole has the projection curtain, the fixed curtain jib that is provided with in bottom of projection curtain, the fixed screw rod that is provided with in both ends of curtain jib, the fixed fastener that is provided with of curtain jib bottom face, the fixed dog-ear that is provided with in centre of fastener, the fixed support column that is provided with in fastener's bottom, the fixed movable rod that is provided with in inside of support column, the second constant head tank has evenly been seted up to the surface of movable rod, the mounting hole has been seted up in the outside of support column, the fixed second limiting plate that is provided with in bottom of movable rod, the fixed dowel pin that is provided with in second constant head tank and the mounting hole, the fixed dust collector that is provided with in top of mount.

Further, the right-hand member of winding pole is fixed to be provided with rotating equipment, and rotating equipment comprises first motor and motor shaft, and the output of first motor rotates installs the motor shaft.

Through above-mentioned technical scheme, set up rotating equipment, can drive the winding pole and rotate, be convenient for receive and release the projection curtain.

Further, fastener comprises tensile pole, first constant head tank, spring, first limiting plate and handle, and first constant head tank has evenly been seted up to the upper surface of tensile pole, and the outside of tensile pole is close to one side cover of fixed link stopper and is had the spring, and the spring is kept away from the fixed first limiting plate that is provided with of one end of fixed link stopper, and the right-hand member of tensile pole is fixed and is provided with the handle.

Through above-mentioned technical scheme, set up the cooperation of first constant head tank and screw rod, can fix the device, set up the spring, effect in can time stretching pole received is fixed more firmly.

Furthermore, the second positioning groove and the mounting hole are arranged in parallel.

Through the technical scheme, the positioning pin is more convenient and quicker to mount.

Further, the bottom of support column is fixed and is provided with the base.

Through above-mentioned technical scheme, set up the base, can increase the area of contact on support column and ground, fixed projection curtain that can be fine strengthens its stability greatly, and effectual protection projecting apparatus curtain improves its life.

Furthermore, the left end of the winding rod is sleeved with a pulley, and the outer side of the pulley is sleeved with a rope.

Through above-mentioned technical scheme, can realize artifical manual lift projecting apparatus curtain when the outage, avoid the trouble that the outage brought the projection curtain.

Furthermore, the front end face of the fixing frame is fixedly provided with an illuminating lamp.

Through above-mentioned technical scheme, the light can be launched under the dim or need irradiant circumstances of light, makes things convenient for the staff to the better operation of projecting apparatus curtain.

Further, dust collector comprises dust removal case, second motor, the axis of rotation, the fan, the exhaust pipe, dust removal pole and nozzle, the fixed second motor that is provided with in top of dust removal case, the fixed axis of rotation that is provided with of output of second motor, the fixed fan that is provided with of one end that the second motor was kept away from to the axis of rotation, the fixed exhaust pipe that is provided with in dust removal case both ends, the fixed dust removal pole that is provided with of one end that the dust removal case was kept away from to the exhaust pipe, a plurality of nozzles have evenly been seted up on the dust removal pole.

Through above-mentioned technical scheme, the second motor can drive the fan and rotate, and exhaust pipe, dust removal pole and nozzle can remove dust on the wind transmission to the projecting apparatus curtain of dust removal incasement portion.

In conclusion, the utility model mainly has the following beneficial effects:

the utility model discloses a through setting up fastener, it is inseparabler to make the curtain fixed, prevents that the curtain from appearing the fold, can effectually prevent the emergence of the phenomenon that the curtain sways with the wind, has improved and has seen the shadow effect, and simultaneously, the support column, movable rod and the dowel's of the device bottom cooperation can realize stretching out and drawing back, avoids the projecting apparatus curtain to take place to rock when seeing the shadow, and convenient to device dismantles, supports more firmly, and portable.

The utility model discloses a through setting up dust collector, be convenient for clear up the dust of projecting apparatus curtain through a plurality of nozzles, improved the clearance effect, it is comparatively convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a schematic diagram of the structure A in FIG. 1;

fig. 3 is a schematic diagram of the structure B in fig. 2.

Reference numerals: 1. a fixed mount; 2. a support bar; 3. rotating the device; 301. a first motor; 302. a motor shaft; 4. a winding rod; 5. a projection screen; 6. a curtain boom; 7. a screw; 8. a fastening device; 801. a stretch rod; 802. a first positioning groove; 803. a spring; 804. a first limit plate; 805. a handle; 9. fixing a stop block; 10. a support pillar; 11. a movable rod; 12. a second positioning groove; 13. mounting holes; 14. a second limiting plate; 15. positioning a pin; 16. a base; 17. a pulley; 18. a rope; 19. an illuminating lamp; 20. a dust removal device; 2001. a dust removal box; 2002. a second motor; 2003. a rotating shaft; 2004. a fan; 2005. an exhaust duct; 2006. a dust removal rod; 2007. and (4) a nozzle.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-3, a windproof curtain for a projector comprises a fixed frame 1 and support rods 2, wherein the support rods 2 are respectively disposed at two ends of the bottom of the fixed frame 1, winding rods 4 are fixedly disposed on opposite surfaces of the support rods 2, a projection curtain 5 is sleeved outside the winding rods 4, a curtain suspension rod 6 is fixedly disposed at the bottom of the projection curtain 5, screws 7 are fixedly disposed at two ends of the curtain suspension rod 6, a fastening device 8 is fixedly disposed on the bottom end surface of the curtain suspension rod 6, a fixed stop block 9 is fixedly disposed in the middle of the fastening device 8, a support column 10 is fixedly disposed at the bottom of the fastening device 8, a movable rod 11 is fixedly disposed inside the support column 10, second positioning grooves 12 are uniformly disposed on the outer surface of the movable rod 11, mounting holes 13 are disposed on the outer side of the support column 10, a second limiting plate 14 is fixedly disposed at the bottom of the movable rod 11, positioning pins 15 are fixedly disposed inside the second positioning grooves 12 and the mounting holes 13, the fixed dust collector 20 that is provided with in top of mount 1, bracing piece 2 are provided with two, play the fixed action to winding pole 4, and screw rod 7 runs through inside fastener 8 extends to first constant head tank 802.

Referring to fig. 1, a rotating device 3 is fixedly arranged at the right end of the winding rod 4, the rotating device 3 is composed of a first motor 301 and a motor shaft 302, and the motor shaft 302 is rotatably mounted at the output end of the first motor 301.

Referring to fig. 2, the fastening device 8 is composed of a stretching rod 801, a first positioning groove 802, a spring 803, a first limiting plate 804 and a handle 805, the first positioning groove 802 is uniformly formed in the upper surface of the stretching rod 801, the spring 803 is sleeved on one side, close to the fixed stopper 9, of the outer side of the stretching rod 801, the first limiting plate 804 is fixedly arranged at one end, far away from the fixed stopper 9, of the spring 803, the handle 805 is fixedly arranged at the right end of the stretching rod 801, and the stretching rod 801, the spring 803 and the first limiting plate 804 are made of cast iron materials, so that the service life of the device can be prolonged.

Referring to fig. 3, the second positioning slot 12 is parallel to the mounting hole 13, so that the positioning pin 15 can be mounted more firmly.

Referring to fig. 1, a base 16 is fixedly arranged at the bottom of the supporting column 10, and the base 16 is made of cast iron, so that the supporting column is long in service time, wear-resistant and not easy to damage.

Referring to fig. 1, a pulley 17 is sleeved on the left end of the winding rod 4, and a rope 18 is sleeved on the outer side of the pulley 17.

Referring to fig. 1, a lighting lamp 19 is fixedly arranged on the front end surface of the fixing frame 1, and the lighting lamp 19 is fixed on the fixing frame 1 through a screw.

Referring to fig. 1, the dust removing device 20 includes a dust removing box 2001, a second motor 2002, a rotating shaft 2003, fans 2004, an exhaust duct 2005, dust removing rods 2006 and nozzles 2007, the second motor 2002 is fixedly disposed at the top of the dust removing box 2001, the rotating shaft 2003 is fixedly disposed at an output end of the second motor 2002, the fans 2004 are fixedly disposed at one end of the rotating shaft 2003, which is far away from the second motor 2002, the exhaust duct 2005 is fixedly disposed at two ends of the dust removing box 2001, the dust removing rods 2006 are fixedly disposed at one end of the exhaust duct 2005, which is far away from the dust removing box 2001, a plurality of nozzles 2007 are uniformly disposed on the dust removing rods 2006, and four nozzles 2007 are disposed on the nozzles 2007, so that an effect of uniform spraying can be achieved.

To sum up, when the device is used, the device is placed in a flat place, the positioning pin 15 is inserted into the second positioning groove 12, the height of the device is adjusted, the first motor 301 is started through the set control switch, the winding rod 4 is driven by the first motor 301 to rotate clockwise, the curtain suspension rod 6 wound on the winding rod 4 is opened, the projection curtain 5 is fixed through the screw 7 on the curtain suspension rod 6, the stretching rod 801 is pulled left and right by holding the handle 805, the screw 7 can be inserted into the first positioning groove 802 to be fixed, meanwhile, the spring 803 is in a compressed state, after the screw 7 on the curtain suspension rod 6 on the projection curtain 5 is inserted into the first positioning groove 802, the handle 805 is loosened, the projection curtain 5 is prevented from shaking during use, after use is finished, the winding rod 4 is driven by the first motor 301 to rotate counterclockwise, the projection curtain 5 is retracted, and at the same time, the second motor 2002 is started by a set control switch, and the projection screen 5 is continuously wound on the winding rod 4, so that the plurality of nozzles 2007 can blow air to different parts of the projection screen 5, and the purpose of cleaning dust is achieved.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a windproof curtain of projecting apparatus, includes mount (1) and bracing piece (2), its characterized in that: the bottom two ends of the fixing frame (1) are respectively provided with a supporting rod (2), the opposite surfaces of the supporting rods (2) are fixedly provided with winding rods (4), the outer side of each winding rod (4) is sleeved with a projection screen (5), the bottom of the projection screen (5) is fixedly provided with a screen suspender (6), the two ends of each screen suspender (6) are fixedly provided with screws (7), the bottom end face of each screen suspender (6) is fixedly provided with a fastening device (8), the middle of each fastening device (8) is fixedly provided with a fixed stopper (9), the bottom of each fastening device (8) is fixedly provided with a supporting column (10), the inside of each supporting column (10) is fixedly provided with a movable rod (11), the outer surface of each movable rod (11) is uniformly provided with a second positioning groove (12), and the outer side of each supporting column (10) is provided with a mounting hole (13), the bottom of movable rod (11) is fixed and is provided with second limiting plate (14), second constant head tank (12) with mounting hole (13) inside is fixed and is provided with dowel (15), the fixed dust collector (20) that is provided with in top of mount (1).

2. The windbreak curtain of a projector as recited in claim 1, wherein: the right-hand member of winding pole (4) is fixed and is provided with rotating equipment (3), rotating equipment (3) comprise first motor (301) and motor shaft (302), motor shaft (302) are installed in the output rotation of first motor (301).

3. The windbreak curtain of a projector as recited in claim 1, wherein: fastener (8) comprise tensile pole (801), first constant head tank (802), spring (803), first limiting plate (804) and handle (805), first constant head tank (802) have evenly been seted up to the upper surface of tensile pole (801), the outside of tensile pole (801) is close to one side cover of fixed stopper (9) has spring (803), spring (803) are kept away from the fixed first limiting plate (804) that is provided with of one end of fixed stopper (9), the fixed handle (805) that is provided with of right-hand member of tensile pole (801).

4. The windbreak curtain of a projector as recited in claim 1, wherein: the second positioning groove (12) and the mounting hole (13) are arranged in parallel.

5. The windbreak curtain of a projector as recited in claim 1, wherein: the bottom of the supporting column (10) is fixedly provided with a base (16).

6. The windbreak curtain of a projector as recited in claim 1, wherein: the left end of winding pole (4) is overlapped and is equipped with pulley (17), the outside cover of pulley (17) is equipped with rope (18).

7. The windbreak curtain of a projector as recited in claim 1, wherein: the front end face of the fixed frame (1) is fixedly provided with an illuminating lamp (19).

8. The windbreak curtain of a projector as recited in claim 1, wherein: the dust removal device (20) comprises a dust removal box (2001), a second motor (2002), a rotating shaft (2003), a fan (2004), an exhaust pipe (2005), a dust removal rod (2006) and nozzles (2007), wherein the second motor (2002) is fixedly arranged at the top of the dust removal box (2001), the rotating shaft (2003) is fixedly arranged at the output end of the second motor (2002), the fan (2004) is fixedly arranged at one end, far away from the second motor (2002), of the rotating shaft (2003), the exhaust pipe (2005) is fixedly arranged at two ends of the dust removal box (2001), the dust removal rod (2006) is fixedly arranged at one end, far away from the dust removal box (2001), of the exhaust pipe (2005), and the nozzles (2007) are uniformly arranged on the dust removal rod (2006).