CN217181399U

CN217181399U - Suspension mechanism for computer projection curtain

Info

Publication number: CN217181399U
Application number: CN202220372317.8U
Authority: CN
Inventors: 卢成浪; 尤卫军
Original assignee: Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
Current assignee: Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-08-12
Anticipated expiration: 2032-02-23

Abstract

The utility model discloses a mechanism that hangs that computer projection curtain was used, which comprises a fixing plate and i, the wind-up roll, the curtain, the counter weight pole, motor and curtain dust clearance mechanism, through having set up curtain dust clearance mechanism, coupling mechanism through curtain dust clearance mechanism drives the connection, it rotates to drive brush rod synchronization when making the curtain rolling, rotate impurity or the dust on curtain surface through brush rod, and set up the dust and collected the structure, collect the dust that the structure was brushed through the dust, so that collect and clear up the dust, clean the curtain automatically, and collect the dust, high durability and convenient use.

Description

Suspension mechanism for computer projection curtain

Technical Field

The utility model particularly relates to a mechanism that hangs that computer projection curtain was used relates to the projection curtain relevant field.

Background

The projection curtain is used in the occasions such as film, office, home theater, large conference, etc., the tool used for displaying the image, video file, divide into many specification sizes, the choice of different space projection curtains is different too, for example the occasion that the number of people that watch is more or watch horizontally should choose the screen of wide visual angle, low gain, the long and narrow space watches in order to choose the screen of narrow visual angle, high gain, choose the screen with appropriate gain at the same time, help to improve the contrast of the screen, make the image gray scale increase, the color is vivid, increase the observability of the image, the film curtain is the hardware facilities of the cinema, the projector throws the image on the curtain, the audience watches directly from the curtain.

The existing suspension mechanism of the computer projection curtain has the defects that dust and impurities are easy to attach to the surface of the curtain when the curtain is used for a long time, the impurities attached to the front end surface of the curtain and the dust are inconvenient to clean, and the impurities and the dust are collected and processed.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned deficiencies, the present invention provides a suspension mechanism for a computer projection screen.

The utility model is realized by constructing a suspension mechanism for a computer projection screen, which comprises a fixed plate and a screen dust cleaning mechanism, a wind-up roll is arranged at the front end of the fixed plate, a curtain is wound outside the wind-up roll, a counterweight rod is fixed at the bottom of the curtain, the right end of the wind-up roll is connected with an output shaft of a motor, the rear end of the curtain dust cleaning mechanism is fixedly connected with a fixed plate, the motor is fixed on the right side of the curtain dust cleaning mechanism, the curtain dust cleaning mechanism comprises a connecting mechanism, a driven rotating shaft, a brush rod and a dust collecting structure, the front side of the left end of the connecting mechanism is connected with a driven rotating shaft, the driven rotating shaft penetrates through the circle center of the brush rod, the bottom of the left end of the connecting mechanism is fixedly connected with the dust collecting structure, and the rear ends of the connecting mechanism and the dust collecting structure are fixedly connected with the fixing plate.

Preferably, coupling mechanism includes shell, driven gear, axis of rotation and driving gear, the inside front side of shell is provided with driven gear, driven gear centre of a circle department runs through there is the axis of rotation, driven gear rear end and driving gear intermeshing, the driving gear suit is in the wind-up roll outside, the motor is fixed in the shell right-hand member, the axis of rotation left end is passed through the shaft coupling and is rotated with the driven spindle is concentric, shell rear end and fixed plate fixed connection.

Preferably, the dust collecting structure comprises a slant bottom plate, a front baffle, a rear baffle, a supporting roller, a dust collecting box, a movable frame and a through hole, wherein the front baffle and the rear baffle are fixed on the front side and the rear side of the top of the slant bottom plate respectively, the top of the rear end of the rear baffle is rotatably connected with the supporting roller through a rotating shaft, the left ends of the slant bottom plate, the front baffle and the rear baffle are fixedly connected with the dust collecting box, the bottom of the front end of the dust collecting box is mutually spliced with the movable frame, the through hole is transversely formed in the middle of the slant bottom plate, the bottom of the curtain penetrates through the through hole and extends downwards, the right side of the slant bottom plate is fixedly connected with the shell, and the rear end of the dust collecting box is fixedly connected with the fixed plate.

Preferably, the brush rod is cylindrical, the length of the brush rod is consistent with the width of the curtain, and the rear side of the brush rod is attached to the curtain.

Preferably, the driven gear and the rotating shaft are arranged concentrically, and the outer diameter of the driven gear is smaller than that of the driving gear.

Preferably, the top end surface of the inclined bottom plate is smooth and inclines downwards from right to left.

Preferably, the supporting roller is arranged right below the wind-up roll, and the length of the supporting roller is consistent with the width of a lower curtain.

Preferably, a through hole is formed in the joint of the right side of the dust collection box and the front baffle and the rear baffle, and the inner wall of the dust collection box is attached to the movable frame.

The utility model has the advantages of as follows: the utility model discloses an improve and provide a mechanism that hangs that computer projection curtain used here, compare with equipment of the same type, have the following improvement:

a mechanism that hangs that computer projection curtain was used, through having set up curtain dust clearance mechanism, coupling mechanism through curtain dust clearance mechanism drives the connection, it rotates to drive the brush pole synchronous when making the curtain rolling, rotate through the brush pole and clean impurity or dust on curtain surface, and set up the dust and collected the structure, collect the structure through the dust and collect the dust that the brush fell to in order to collect and clear up the dust, clean the curtain automatically, and collect the dust, high durability and convenient use.

Drawings

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

FIG. 2 is a top view of the curtain dust cleaning mechanism of the present invention;

FIG. 3 is a top sectional view of the connection mechanism of the present invention;

FIG. 4 is a view of the dust collection structure of the present invention;

fig. 5 is a right sectional view of the oblique bottom plate of the present invention.

Wherein: the device comprises a fixing plate-1, a winding roller-2, a curtain-3, a counterweight rod-4, a motor-5, a curtain dust cleaning mechanism-6, a connecting mechanism-61, a driven rotating shaft-62, a brush rod-63, a dust collecting structure-64, a shell-611, a driven gear-612, a rotating shaft-613, a driving gear-614, an inclined bottom plate-641, a front baffle-642, a rear baffle-643, a supporting roller-644, a dust collection box-645, a movable frame-646 and a through hole-647.

Detailed Description

The present invention will be described in detail with reference to the accompanying fig. 1-5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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.

Please refer to fig. 1, the utility model provides a mechanism that hangs that computer projection curtain used herein through the improvement, including fixed plate 1 and curtain

dust clearance mechanism

6, 1 front end of fixed plate is provided with wind-up

roll

2, and 2 outsides of wind-up roll have curtain 3 around rolling up, and 3 bottoms of curtain are fixed with

counterweight rod

4, and 2 right-hand members of wind-up roll are connected with the output shaft of

motor

5, and 6 rear ends of curtain dust clearance mechanism and 1 fixed connection of fixed plate, motor 5 are fixed in the 6 right sides of curtain dust clearance mechanism.

Please refer to fig. 2, the utility model provides a mechanism that hangs that computer projection curtain used here through the improvement, curtain dust clearance mechanism 6 includes coupling mechanism 61, driven spindle 62, structure 64 is collected to brush rod 63 and dust, coupling mechanism 61 left end front side is connected with driven spindle 62, driven spindle 62 runs through brush rod 63 centre of a circle department, coupling mechanism 61 left end bottom and dust are collected structure 64 fixed connection, coupling mechanism 61 and dust are collected structure 64 rear end and all with fixed plate 1 fixed connection, brush rod 63 is cylindricly, and brush rod 63 length is unanimous with curtain 3 width, brush rod 63 rear side and curtain 3 laminating, it is right to rotate through brush rod 63, the dust brush on the surface of curtain 3 falls.

Please refer to fig. 3, the present invention provides a suspension mechanism for a computer projection screen through an improvement, the connection mechanism 61 includes a housing 611, a driven gear 612, a rotation shaft 613 and a driving gear 614, a driven gear 612 is disposed at the front side inside the housing 611, a rotation shaft 613 penetrates through the center of the circle of the driven gear 612, the rear end of the driven gear 612 is engaged with the driving gear 614, the driving gear 614 is mounted on the outer side of the wind-up roll 2, the motor 5 is fixed at the right end of the housing 611, the left end of the rotation shaft 613 concentrically rotates with the driven shaft 62 through a shaft coupling, the rear end of the housing 611 is fixedly connected to the fixing plate 1, the driven gear 612 and the rotation shaft 613 are concentrically disposed, and the outer diameter of the driven gear 612 is smaller than the driving gear 614, the rotation speed of the driven gear 612 relative to the driving gear 614 is increased, and the rotation shaft 613 is concentrically rotated by the driven gear 612.

Referring to fig. 4 and 5, the present invention provides a suspension mechanism for a computer projection screen by improvement, wherein the dust collecting structure 64 includes an inclined bottom plate 641, a front baffle 642, a rear baffle 643, supporting rollers 644, a dust collecting box 645, a movable frame 646 and through holes 647, the front and rear sides of the top of the inclined bottom plate 641 are respectively fixed with the front baffle 642 and the rear baffle 643, the top of the rear end of the rear baffle 643 is rotatably connected with the supporting rollers 644 through a rotating shaft, the left ends of the inclined bottom plate 641, the front baffle 642 and the rear baffle 643 are fixedly connected with the dust collecting box 645, the bottom of the front end of the dust collecting box 645 is mutually inserted with the movable frame 646, the through holes 647 are transversely formed in the middle of the inclined bottom plate 641, the bottom of the screen 3 extends downwards through the through holes 647, the right side of the inclined bottom plate 641 is fixedly connected with the housing 611, the rear end of the dust collecting box is fixedly connected with the fixing plate 1, the top end surface of the inclined bottom plate 641 is smooth, and the top surface of the inclined bottom plate 641 inclines downwards from left to left, the dust brushed off by the curtain 3 falls onto the inclined bottom plate 641, the inclined bottom plate 641 is inclined to clean the dust into the dust collection box 645, the supporting roller 644 is arranged right below the wind-up roller 2, the length of the supporting roller 644 is consistent with the width of the curtain 3, the supporting roller 644 supports the curtain 3 to move backwards, so that the dust on the curtain 3 is brushed off onto the inclined bottom plate 641 through the brush rod 63, a through hole is formed at the joint of the right side of the dust collection box 645 with the front baffle 642 and the rear baffle 643, the inner wall of the dust collection box 645 is attached to the movable frame 646, and the dust on the inclined bottom plate 641 enters the dust collection box 645 through the through hole.

The utility model provides a suspension mechanism for a computer projection curtain through improvement, and the working principle is as follows;

firstly, before use, fixing a fixing plate 1 of the device at a required position, and then connecting an output shaft of a motor 5 with control equipment with an external power supply;

secondly, when the curtain 3 is rolled after being used, the winding roller 2 is driven to concentrically rotate through an output shaft by controlling power generated by the motor 5, the curtain 3 is rolled through rotation of the winding roller 2, and the circle center of the driving gear 614 is driven to synchronously rotate when the winding roller 2 rotates, the driving gear 614 drives the driven gear 614 on the front side to synchronously rotate, because the driven gear 612 and the rotating shaft 613 are concentrically arranged, and the outer diameter of the driven gear 612 is smaller than that of the driving gear 614, the rotating speed of the driven gear 612 relative to the driving gear 614 is increased, the rotating shaft 613 is driven to concentrically rotate through the driven gear 612, the circle center of the right side of the driven rotating shaft 62 is driven to rotate by the rotating shaft 613, the rotating shaft 613 drives the brush rod 63 to rotate, so that the curtain 3 is rolled and simultaneously drives the brush rod 63 to rotate to clean impurities or dust on the surface of the curtain 3;

thirdly, because the supporting roller 644 is arranged right below the wind-up roll 2, and the length of the supporting roller 644 is consistent with the width of the curtain 3, the supporting roller 644 supports the curtain 3 to move backwards, so that the dust on the curtain 3 is brushed and dropped onto the inclined bottom plate 641 through the brush rod 63, the top end of the inclined bottom plate 641 is smooth, the top end of the inclined bottom plate 641 inclines downwards from right to left, the dust brushed and dropped onto the curtain 3 drops onto the inclined bottom plate 641, the inclined bottom plate 641 inclines, the dust is conveniently cleaned into the dust collection box 645, the dust drops into the movable frame 646, and the movable frame 646 is taken out to clean the cleaned dust.

The utility model discloses an improvement provides a mechanism that hangs that computer projection curtain was used, through having set up curtain dust clearance mechanism 6, coupling mechanism 61 through curtain dust clearance mechanism 6 drives the connection, it rotates to drive brush rod 63 synchronous when making 3 rolling of curtain, clean the impurity or the dust on curtain 3 surface through brush rod 63 rotation, and set up the dust and collected structure 64, collect the dust that structure 64 was brushed through the dust, so that collect and clear up the dust, clean curtain 3 automatically, and collect the dust, high durability and convenient use.

Claims

1. A suspension mechanism for a computer projection screen comprises a fixing plate (1), wherein a winding roller (2) is arranged at the front end of the fixing plate (1), a screen (3) is wound on the outer side of the winding roller (2), a counterweight rod (4) is fixed at the bottom of the screen (3), and the right end of the winding roller (2) is connected with an output shaft of a motor (5);

the method is characterized in that: still include curtain dust clearance mechanism (6), curtain dust clearance mechanism (6) rear end and fixed plate (1) fixed connection, motor (5) are fixed in curtain dust clearance mechanism (6) right side, curtain dust clearance mechanism (6) are including coupling mechanism (61), driven rotating shaft (62), brush pole (63) and dust collection structure (64), coupling mechanism (61) left end front side is connected with driven rotating shaft (62), brush pole (63) centre of a circle department is run through in driven rotating shaft (62), coupling mechanism (61) left end bottom and dust collection structure (64) fixed connection, coupling mechanism (61) and dust collection structure (64) rear end all with fixed plate (1) fixed connection.

2. A suspension mechanism for a computer projection screen as recited in claim 1, wherein: coupling mechanism (61) includes shell (611), driven gear (612), axis of rotation (613) and driving gear (614), the inside front side of shell (611) is provided with driven gear (612), driven gear (612) centre of a circle department has run through axis of rotation (613), driven gear (612) rear end and driving gear (614) intermeshing, driving gear (614) suit is in wind-up roll (2) outside, motor (5) are fixed in shell (611) right-hand member, axis of rotation (613) left end is passed through the shaft coupling and is rotated with driven rotating shaft (62) is concentric, shell (611) rear end and fixed plate (1) fixed connection.

3. A suspension mechanism for a computer projection screen as recited in claim 1, wherein: the dust collecting structure (64) comprises an inclined bottom plate (641), a front baffle plate (642), a rear baffle plate (643), a supporting roller (644), a dust collecting box (645), a movable frame (646) and a through hole (647), a front baffle (642) and a rear baffle (643) are respectively fixed at the front side and the rear side of the top of the inclined bottom plate (641), the top of the rear end of the rear baffle (643) is rotationally connected with the supporting roller (644) through a rotating shaft, the left ends of the inclined bottom plate (641), the front baffle plate (642) and the rear baffle plate (643) are fixedly connected with the dust collection box (645), the bottom of the front end of the dust collection box (645) is mutually inserted with the movable frame (646), the middle part in the inclined bottom plate (641) is transversely provided with a through hole (647), and the bottom of the curtain (3) penetrates through the through hole (647) and extends downwards, the right side of the inclined bottom plate (641) is fixedly connected with the shell (611), and the rear end of the dust collection box (645) is fixedly connected with the fixing plate (1).

4. A suspension mechanism for a computer projection screen as recited in claim 1, wherein: the brush rod (63) is cylindrical, the length of the brush rod (63) is consistent with the width of the curtain (3), and the rear side of the brush rod (63) is attached to the curtain (3).

5. A suspension mechanism for a computer projection screen as recited in claim 2, wherein: the driven gear (612) and the rotating shaft (613) are arranged concentrically, and the outer diameter of the driven gear (612) is smaller than that of the driving gear (614).

6. A suspension mechanism for a computer projection screen as recited in claim 3, wherein: the top end surface of the inclined bottom plate (641) is smooth, and the top end surface of the inclined bottom plate (641) inclines downwards from right to left.

7. A suspension mechanism for a computer projection screen as recited in claim 3, wherein: the supporting roller (644) is arranged right below the winding roller (2), and the length of the supporting roller (644) is consistent with the width of a lower curtain (3).

8. A suspension mechanism for a computer projection screen as recited in claim 3, wherein: a through hole is arranged at the joint of the right side of the dust collection box (645) and the front baffle (642) and the rear baffle (643), and the inner wall of the dust collection box (645) is attached to the movable frame (646).