CN213339172U

CN213339172U - Projection curtain

Info

Publication number: CN213339172U
Application number: CN202022430052.6U
Authority: CN
Inventors: 李华
Original assignee: HEILONGJIANG INTERNATIONAL UNIVERSITY
Current assignee: HEILONGJIANG INTERNATIONAL UNIVERSITY
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-01
Anticipated expiration: 2030-10-28

Abstract

The utility model relates to the technical field of projection, in particular to a projection curtain, which comprises a stretching device, a cleaning device, a washing and extruding device and a drying device, wherein the stretching device is fixedly connected with the cleaning device, the washing and extruding device is fixedly connected with the cleaning device, and the drying device is fixedly connected with the cleaning device; adopt the technical scheme provided by the utility model, compared with the prior art, following beneficial effect has for this design belt cleaning device, can wash the curtain automatically, not only can self-cleaning still can realize automatic stoving effect, stretching device has still been designed, can effectively solve the problem of curtain unevenness, belt cleaning device can let the student see more clearly when english teaching, the ability of anti-wind has when outdoor english teaching, also can use meetting strong wind weather, belt cleaning device can be along with opening the switch, convenient and fast, moreover, the steam generator is simple in structure.

Description

Projection curtain

Technical Field

The utility model relates to a projection technical field, more specifically the projection curtain that says so.

Background

The utility model has the patent number of CN201520018593.4 and provides an English teaching projection curtain, which solves the problem that the projection curtain can not automatically retract when the projection curtain is damaged due to long-time folding and suddenly power off; the projection screen comprises a projection screen, wherein one end of the projection screen is fixedly connected with a first shell, a first rotating shaft is arranged in the first shell, one end of the first rotating shaft is connected with a handle, the other end of the projection screen is fixedly connected with a second shell, a second rotating shaft is arranged in the second shell, the second rotating shaft is connected with a first motor, the first motor is electrically connected with a switch, and the switch is connected with a clamp; the utility model has simple structure, when the projection curtain is folded, the switch is pressed down when the clip rotates to disconnect the first motor, the second rotating shaft stops working along with the disconnection of the motor, the folding action of the projection curtain stops, and the projection curtain is prevented from being damaged due to long-time folding; when the power is cut off suddenly, the projection curtain can be manually retracted, and the problem of occupying the blackboard is solved. Adopt the technical scheme provided by the utility model, compared with the prior art, have following beneficial effect for this design belt cleaning device, can wash the curtain automatically, further can also self-cleaning realize automatic stoving effect, designed stretching device, can effectively solve the problem of curtain unevenness, also can use meetting strong wind weather, belt cleaning device can be along with opening along with closing, convenient and fast, simple structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a projection curtain, its beneficial effect is this belt cleaning device of having designed, can wash the curtain automatically.

The purpose of the utility model is realized through the following technical scheme:

the utility model aims at providing a projection curtain, including stretching device, belt cleaning device, washing extrusion device and drying device, stretching device fixed connection on belt cleaning device, washing extrusion device fixed connection is on belt cleaning device, drying device fixed connection is on belt cleaning device.

As the utility model discloses further optimization, a projection curtain, stretching device include two bracing pieces, two rope sheaves, connecting axle and rope sheave motor, the rope sheave rotates to be connected at the lower extreme of bracing piece, two even fixed connections of rope sheave are at the both ends of connecting axle, rope sheave fixed connection is provided with trapezoidal sliding tray in the axis of rotation of rope sheave motor in the bracing piece.

As a further optimization of the utility model, a projection curtain, belt cleaning device include motor power, strutting arrangement, water inlet, sanitizer entry, a plurality of shower nozzle, axis of rotation, two connecting plates and power gear, power gear fixed connection is in motor power's axis of rotation, water inlet fixed connection is on strutting arrangement, sanitizer entry fixed connection is on strutting arrangement, shower nozzle fixed connection is on strutting arrangement, strutting arrangement fixed connection is on the connecting plate, the axis of rotation is rotated and is connected on the connecting plate, two bracing pieces difference fixed connection are on two connecting plates.

As the utility model discloses further optimization, a projection curtain, washing extrusion device include two squeeze rolls, four extrusion gears, two sliding axles, two rotation switches and two slip stoppers, two squeeze rolls mesh and connect, squeeze roll fixed connection is on the sliding axle, the even fixed connection of two extrusion gears is on the sliding axle, sliding axle sliding connection is in the slide of slip stopper, the rotation switch rotates and connects on the slip stopper, slip stopper fixed connection is on the connecting plate, the extrusion gear is connected with power gear engagement.

As a further optimization of the utility model, a projection curtain, drying device including air-dry device, two rolling gear, a plurality of fixing bolt, rotation motor, shrink gear, shrink axle, motor connecting block and shrink cylinder, motor connecting block fixed connection is on air-drying the device, rotates motor fixed connection on the motor connecting block, shrink gear is connected with rolling gear meshing, fixing bolt fixed connection is on shrink cylinder, the shrink axle rotates to be connected on the connecting plate, air-dry device fixed connection on the connecting plate.

As the utility model discloses further optimization, a projection curtain, the recess of shrink cylinder in through fixing bolt fixedly connected with curtain, sliding connection piece sliding connection is in the trapezoidal sliding tray of bracing piece, the curtain links to each other with the rope sheave through connecting the rope.

Adopt the technical scheme provided by the utility model, compared with the prior art, have following beneficial effect and for this design belt cleaning device, can wash the curtain automatically, not only can self-cleaning still can realize automatic stoving effect, still designed stretching device, can effectively solve the problem of curtain unevenness, also can use meetting strong wind weather, belt cleaning device can be along with opening along with closing, convenient and fast, simple structure.

Drawings

Fig. 1 is a schematic overall structural diagram of the present invention;

fig. 2 is a schematic overall structural diagram of the present invention;

fig. 3 is a schematic structural view of the stretching device of the present invention;

FIG. 4 is a schematic structural view of the cleaning device of the present invention;

FIG. 5 is a schematic structural view of the washing and squeezing device of the present invention;

fig. 6 is a schematic structural view of the drying apparatus of the present invention.

In the figure: a stretching device 1; 1-1 of a support rod; two rope wheels 1-2; connecting shafts 1-3; a rope pulley motor 1-4; a cleaning device 2; 2-1 of a power motor; a support device 2-2; 2-3 of a water inlet; 2-4 of a cleaning agent inlet; 2-5 of a spray head; 2-6 of a rotating shaft; 2-7 of a connecting plate; 2-8 parts of power gear; a washing and squeezing device 3; 3-1 of an extrusion roller; 3-2 of an extrusion gear; a sliding shaft 3-3; rotating the switch 3-4; 3-5 of a sliding limiting block; a drying device 4; an air drying device 4-1; rolling gears 4-2; 4-3 of a fixing bolt; rotating a motor 4-4; 4-5 of a contraction gear; 4-6 of a contraction shaft; 4-7 parts of a motor connecting block; shrinking the rollers 4-8.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The fixed connection in the device can be fixed by welding, thread fixing and the like, the rotary connection can be realized by baking the bearing on a shaft, a spring retainer groove or an inter-shaft baffle is arranged on the shaft or a shaft hole, the axial fixation of the bearing is realized by clamping an elastic retainer ring in the spring retainer groove or the inter-shaft baffle, and the rotation is realized by the relative sliding of the bearing; different connection modes are used in combination with different use environments.

The first embodiment is as follows:

as shown in fig. 1 to 6, a projection curtain comprises a stretching device 1, a cleaning device 2, a washing and squeezing device 3 and a drying device 4, wherein the stretching device 1 is fixedly connected to the cleaning device 2, the washing and squeezing device 3 is fixedly connected to the cleaning device 2, and the drying device 4 is fixedly connected to the cleaning device 2.

The second embodiment is as follows:

as shown in fig. 1 to 6, the first embodiment is further described in the present embodiment, the stretching device 1 includes two support rods 1-1, two rope pulleys 1-2, a connecting shaft 1-3 and a rope pulley motor 1-4, the rope pulleys 1-2 are rotatably connected to the lower ends of the support rods 1-1, the two rope pulleys 1-2 are uniformly and fixedly connected to the two ends of the connecting shaft 1-3, the rope pulleys 1-2 are fixedly connected to the rotating shafts of the rope pulley motor 1-4, and the support rods 1-1 are provided with trapezoidal sliding grooves.

The third concrete implementation mode:

as shown in FIGS. 1 to 6, in the second embodiment, the cleaning device 2 includes a power motor 2-1, a support device 2-2, a water inlet 2-3, a detergent inlet 2-4, a plurality of spray heads 2-5, a rotating shaft 2-6, two connecting plates 2-7 and a power gear 2-8, the power gear 2-8 is fixedly connected to the rotating shaft of the power motor 2-1, the water inlet 2-3 is fixedly connected to the support device 2-2, the detergent inlet 2-4 is fixedly connected to the support device 2-2, the spray head 2-5 is fixedly connected to the support device 2-2, the support device 2-2 is fixedly connected to the connecting plate 2-7, the rotating shaft 2-6 is rotatably connected to the connecting plates 2-7, the two support rods 1-1 are respectively and fixedly connected to the two connecting plates 2-7.

The fourth concrete implementation mode:

as shown in fig. 1-6, the third embodiment is further explained in the present embodiment, the washing squeezing device 3 includes two squeezing rollers 3-1 and four squeezing gears 3-2, the two-gear transmission mechanism comprises two sliding shafts 3-3, two rotary switches 3-4 and two sliding limit blocks 3-5, wherein the two extrusion rollers 3-1 are connected in a meshed mode, the extrusion rollers 3-1 are fixedly connected to the sliding shafts 3-3, the two extrusion gears 3-2 are uniformly and fixedly connected to the sliding shafts 3-3, the sliding shafts 3-3 are connected in a sliding way of the sliding limit blocks 3-5 in a sliding mode, the rotary switches 3-4 are connected to the sliding limit blocks 3-5 in a rotating mode, the sliding limit blocks 3-5 are fixedly connected to a connecting plate 2-7, and the extrusion gears 3-2 are connected with power gears 2-8 in a meshed mode.

The fifth concrete implementation mode:

as shown in fig. 1 to 6, the fourth embodiment is further explained in the present embodiment, the drying device 4 includes an air drying device 4-1, two rolling gears 4-2, a plurality of fixing bolts 4-3, a rotating motor 4-4, the air drying device comprises a shrinkage gear 4-5, a shrinkage shaft 4-6, a motor connecting block 4-7 and a shrinkage roller 4-8, wherein the motor connecting block 4-7 is fixedly connected to the air drying device 4-1, a rotating motor 4-4 is fixedly connected to the motor connecting block 4-7, the shrinkage gear 4-5 is meshed with a rolling gear 4-2, a fixing bolt 4-3 is fixedly connected to the shrinkage roller 4-8, the shrinkage shaft 4-6 is rotatably connected to a connecting plate 2-7, and the air drying device 4-1 is fixedly connected to the connecting plate 2-7.

The sixth specific implementation mode:

as shown in fig. 1 to 6, in the fifth embodiment, a curtain is fixedly connected to the groove of the contracting roller 4-8 through a fixing bolt 4-3, a sliding connection block is slidably connected to the trapezoidal sliding groove of the support rod 1-1, and the curtain is connected to the rope pulley 1-2 through a connection rope; designed belt cleaning device can let the student see more clearly when english teaching, has the anti-wind ability when outdoor english teaching.

The utility model discloses a theory of operation does: the rope wheel motor 1-4 drives the rope wheel 1-2 to rotate, a rotating connecting line of the rope wheel 1-2 extends, a sliding connecting block slides in a trapezoidal sliding groove of the supporting rod 1-1, the curtain rises, the rotating motor 4-4 drives the contraction gear 4-5 to rotate, the contraction gear 4-5 drives the rolling gear 4-2 to rotate, the rolling gear 4-2 drives the contraction roller 4-8 to rotate, the contraction roller 4-8 rotates to contract the curtain, clean water enters the supporting device 2-2 from the water inlet 2-, detergent enters the supporting device 2-2 from the detergent inlet 2-4, the detergent and the clean water are mixed, the mixed solution is sprayed onto the curtain by the spray head 2-5, the rotating shaft 2-6 is driven by the power motor 2-1 to rotate, the rotating shaft 2-6 rotates to assist the curtain to rise, the sliding shafts 3-3 slide in the sliding limiting blocks 3-5, the extrusion gears 3-2 are meshed with the power gears 2-8, the extrusion gears 3-2 drive the extrusion rollers 3-1 to rotate, the rotary switches 3-4 rotate to clamp the two sliding shafts 3-3, the two extrusion rollers 3-1 extrude and clean the curtain, and the air drying device 4-1 works to dry the curtain. And then realize for this design belt cleaning device, can wash the curtain automatically, can let the student see more clearly when english teaching, further can also self-cleaning realize the automatic effect of drying, designed draw gear, can effectively solve the problem of curtain unevenness, when outdoor english teaching, also can use meeting strong weather, belt cleaning device can be along with opening along with closing, convenient and fast, simple structure.

The above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by the persons skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.

Claims

1. A projection curtain, includes stretching device (1), belt cleaning device (2), washing extrusion device (3) and drying device (4), its characterized in that: the stretching device (1) is fixedly connected to the cleaning device (2), the washing extrusion device (3) is fixedly connected to the cleaning device (2), and the drying device (4) is fixedly connected to the cleaning device (2).

2. A projection curtain as recited in claim 1, wherein: the stretching device (1) comprises two supporting rods (1-1), two rope wheels (1-2), a connecting shaft (1-3) and a rope wheel motor (1-4), wherein the rope wheels (1-2) are rotatably connected to the lower ends of the supporting rods (1-1), the two rope wheels (1-2) are respectively and fixedly connected to two ends of the connecting shaft (1-3), the rope wheels (1-2) are fixedly connected to rotating shafts of the rope wheel motor (1-4), and trapezoidal sliding grooves are formed in the supporting rods (1-1).

3. A projection curtain as recited in claim 2, wherein: the cleaning device (2) comprises a power motor (2-1), a supporting device (2-2), a water inlet (2-3), a cleaning agent inlet (2-4), a plurality of spray heads (2-5), a rotating shaft (2-6), two connecting plates (2-7) and a power gear (2-8), wherein the power gear (2-8) is fixedly connected to the rotating shaft of the power motor (2-1), the water inlet (2-3) is fixedly connected to the supporting device (2-2), the cleaning agent inlet (2-4) is fixedly connected to the supporting device (2-2), the spray heads (2-5) are fixedly connected to the supporting device (2-2), the supporting device (2-2) is fixedly connected to the connecting plates (2-7), the rotating shaft (2-6) is rotatably connected to the connecting plates (2-7), the two support rods (1-1) are respectively and fixedly connected with the two connecting plates (2-7).

4. A projection curtain as recited in claim 3, wherein: the washing extrusion device (3) comprises two extrusion rollers (3-1), four extrusion gears (3-2), two sliding shafts (3-3), two rotary switches (3-4) and two sliding limit blocks (3-5), the two extrusion rollers (3-1) are meshed and connected, the extrusion rollers (3-1) are fixedly connected to a sliding shaft (3-3), the two extrusion gears (3-2) are uniformly and fixedly connected to the sliding shaft (3-3), the sliding shaft (3-3) is slidably connected to a slide way of a sliding limiting block (3-5), a rotary switch (3-4) is rotatably connected to the sliding limiting block (3-5), the sliding limiting block (3-5) is fixedly connected to a connecting plate (2-7), and the extrusion gears (3-2) are meshed and connected with a power gear (2-8).

5. A projection curtain as recited in claim 4, wherein: the drying device (4) comprises an air drying device (4-1), two rolling gears (4-2), a plurality of fixing bolts (4-3), a rotating motor (4-4), a contraction gear (4-5), a contraction shaft (4-6), a motor connecting block (4-7) and a contraction roller (4-8), the motor connecting block (4-7) is fixedly connected to the air drying device (4-1), the rotating motor (4-4) is fixedly connected to the motor connecting block (4-7), the contraction gear (4-5) is meshed with the rolling gear (4-2), the fixing bolt (4-3) is fixedly connected to the contraction roller (4-8), the contraction shaft (4-6) is rotatably connected to the connecting plate (2-7), and the air drying device (4-1) is fixedly connected to the connecting plate (2-7).

6. A projection curtain as recited in claim 5, wherein: the curtain is fixedly connected in the groove of the contraction roller (4-8) through a fixing bolt (4-3), the sliding connection block is connected in the trapezoidal sliding groove of the support rod (1-1) in a sliding mode, and the curtain is connected with the rope wheel (1-2) through a connection rope.