CN218471118U

CN218471118U - Projector curtain mechanism

Info

Publication number: CN218471118U
Application number: CN202222222154.8U
Authority: CN
Inventors: 李桃
Original assignee: Quzhou New Start Information Technology Co ltd
Current assignee: Quzhou New Start Information Technology Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2023-02-10
Anticipated expiration: 2032-08-23

Abstract

The utility model relates to a projection equipment technical field discloses a projecting apparatus curtain mechanism, including mounting panel and base, base up end midpoint department has seted up a recess, the inside bottom face both sides of recess are the fixed backup pad that is provided with all, the mounting panel is fixed to be set up in two backup pad up end, two the relative one side midpoint department of backup pad has all seted up a spout. The utility model discloses in, recess a relative through the backup pad of both sides, the counterweight plate of cooperation curtain bottom kelly joint, make the curtain can be smooth downstream perpendicularly, when guaranteeing to use, the curtain does not take place to rock, the shadow effect is seen in the improvement, the viscidity cylinder of collocation mounting panel lower extreme scrapes the friction processing to the curtain surface simultaneously, thereby reach the effect of clearance curtain, convenient clearance, this curtain mechanism simple structure, the operation of being convenient for, can guarantee that the curtain does not take place to rock when using, the shadow effect is seen in the improvement, carry out the dust adhesion to the curtain simultaneously and handle, realize the curtain clearance.

Description

Projector curtain mechanism

Technical Field

The utility model relates to a projection equipment technical field especially relates to a projecting apparatus curtain mechanism.

Background

The projection screen is used in the occasions of movies, offices, home theaters and large conferences, is a tool for displaying images and video files, and has various specification sizes, and different space projection screens are different in selection, for example, a wide-viewing-angle and low-gain screen is suitable for the occasions with more audience numbers or transversely watching, a narrow-viewing-angle and high-gain screen is suitable for narrow-viewing-angle and high-gain space watching, and a screen with proper gain is simultaneously selected, so that the contrast of the screen is improved, the gray level of the image is increased, the color is bright, and the observability of the image is increased.

Most of the existing projector curtains are simply installed on a wall surface or a top surface, and naturally droop, however, the fixed projector curtains which cannot be fine are easy to shake when in use, so that the shadow viewing effect is influenced, the projector curtains are easy to fall ash, inconvenient to clean and inconvenient to use, and therefore, technical personnel in the field provide a projector curtain mechanism to solve the problems brought forward in the background technology.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the projecting apparatus curtain mechanism that proposes, recess a relative through the backup pad of both sides, the counterweight plate of cooperation curtain bottom kelly joint, make the curtain can perpendicular smooth downstream, when guaranteeing to use, the curtain does not take place to rock, the shadow effect is seen in the improvement, the viscidity cylinder of collocation mounting panel lower extreme scrapes the processing of rubbing to the curtain surface simultaneously, thereby reach the effect of clearance curtain, convenient clearance, this curtain mechanism simple structure, the operation of being convenient for, do not take place to rock when guaranteeing the curtain use, the shadow effect is seen in the improvement, carry out the dust adhesion to the curtain simultaneously and handle, realize the curtain clearance.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a projector curtain mechanism comprises a mounting plate and a base, wherein a first groove is formed in the middle of the upper end face of the base, supporting plates are fixedly arranged on two sides of the inner bottom end face of the first groove, the mounting plate is fixedly arranged on the upper end faces of the two supporting plates, a first sliding groove is formed in the middle of one side, opposite to the two supporting plates, of the two supporting plates, a counterweight plate is arranged in the two first sliding grooves in a sliding mode, a second groove is formed in the middle of the upper end face of the counterweight plate, clamping grooves are formed in two sides of the inner wall of the second groove, connecting rods are fixedly arranged on two sides of the lower end face of the mounting plate, a second rotating shaft is rotatably arranged at the middle of the two connecting rods, and a viscous roller is fixedly sleeved between the two connecting rods;

the No. two rotating shafts penetrate through one end of a connecting rod and are fixedly sleeved with a No. two belt pulley, stoppers are fixedly sleeved on two sides of the No. two belt pulley on a shaft body of the No. two rotating shafts, a first motor is fixedly arranged at the midpoint of one side of the inner wall of the mounting plate, a receiver is fixedly arranged at the midpoint of the other side of the inner wall of the mounting plate, a first rotating shaft is fixedly sleeved on an output end of the first motor, a roller is fixedly sleeved on the shaft body of the first rotating shaft, a curtain is wound on the roller body, a clamping rod is fixedly sleeved on the lower end face of the curtain, one side of the bottom end face in the mounting plate is fixedly arranged at the lower end of the first motor, a second motor is fixedly arranged on the upper end face of the fixing seat, and a first belt pulley is fixedly sleeved on the output end of the second motor;

through above-mentioned technical scheme, a recess that curtain lower extreme collocation weight plate cooperated both sides backup pad simultaneously fixes the curtain, makes the curtain whereabouts in-process form stable rail mounted displacement, takes place to rock when avoiding using, uses the viscidity cylinder to carry out the adhesion of surface dust to the curtain simultaneously and handles, reaches the effect that the curtain cleared up.

Furthermore, one end of the first rotating shaft, which is far away from the first motor, is rotatably arranged at the midpoint of one side of the receiver;

through above-mentioned technical scheme, for the receiver and the electric connection between the motor provides the connection place, when avoiding a pivot to rotate simultaneously, the other end can't rotate, leads to damaging the receiver.

Furthermore, the clamping rod is clamped and arranged in clamping grooves on two sides of the inner wall of the second groove;

through above-mentioned technical scheme, make bottom kelly joint weight plate to the curtain can be perpendicular smooth downstream, when guaranteeing to use, the curtain does not take place to rock, improves and sees the shadow effect.

Further, the first belt pulley and the second belt pulley are connected through a belt;

through the technical scheme, the belt is stable and low in noise when in connected operation, has the functions of buffering and absorbing vibration, has low requirements on manufacturing and mounting precision, and has the characteristics of low manufacturing cost, simple structure, simplicity in manufacturing, low cost, no need of lubrication, buffering, shock absorption, and convenience in mounting and maintenance.

Further, the cross section of the viscous roller is larger than that of the connecting rod, and the transverse length of the viscous roller is consistent with that of the curtain;

through above-mentioned technical scheme, make viscidity cylinder can closely laminate the curtain, and remove dust to the curtain surface and handle to reach the effect of clearance curtain.

Further, the inner diameter and the transverse length of the first groove are consistent with the transverse length and the width of the counterweight plate;

through above-mentioned technical scheme, can imbed in a recess completely when guaranteeing that the weight plate falls to a recess position, guarantee that the curtain is perpendicular, the surface does not have the fold.

Furthermore, the mounting plate vertically corresponds to the base up and down;

through above-mentioned technical scheme, ensure the curtain whereabouts in-process, the curtain is actually being in vertical state, reduce the appearance of curtain surface fold.

Further, the vertical length of the first grooves is greater than that of the curtain;

through above-mentioned technical scheme, be favorable to the curtain whereabouts to accomplish the back and can expand completely, guarantee the show of curtain at utmost, avoid the appearance of fold.

The utility model discloses following beneficial effect has:

1. the utility model provides a pair of projecting apparatus curtain mechanism through be provided with the kelly in the curtain bottom and with kelly joint and counterweight plate, impel the lower extreme to form a perpendicular decurrent pulling force to with curtain surface stretching, and cooperate a recess in both sides to realize rectilinear, steady, rail mounted whereabouts, when guaranteeing to use, the curtain does not take place to rock, improves and sees the shadow effect.

2. The utility model provides a pair of projecting apparatus curtain mechanism scrapes the processing of rubbing through the viscidity cylinder of the collocation mounting panel lower extreme of upper end front side to the curtain surface to reach the effect of clearance curtain, its simple structure, no. two motor direct drive, convenient clearance and quick.

3. The utility model provides a pair of projecting apparatus curtain mechanism connects two belt pulleys through the belt, and steady and the noise is little when connecting the operation, has the buffering to inhale the effect of shaking, and is not high with the installation accuracy requirement to making, has low in cost, simple structure, makes simply, with low costs, does not need lubricated and buffering, inhale shake, installation and maintain convenient characteristics.

Drawings

Fig. 1 is an axial view of a projector curtain mechanism according to the present invention;

fig. 2 is a schematic front sectional view of a projector curtain mechanism provided by the present invention;

fig. 3 is a schematic partial front cross-sectional view of a projector curtain mechanism provided by the present invention;

FIG. 4 is an enlarged view of FIG. 2 at A;

fig. 5 is an enlarged view of fig. 3 at B.

Illustration of the drawings:

1. mounting a plate; 2. a first chute; 3. a support plate; 4. a base; 5. a first groove; 6. a curtain; 7. a weight plate; 8. a fixed seat; 9. a first motor; 10. a roller; 11. a first rotating shaft; 12. a receiver; 13. a second motor; 14. a second groove; 15. a card slot; 16. a clamping rod; 17. a second rotating shaft; 18. a viscous roller; 19. a connecting rod; 20. a first belt pulley; 21. a belt; 22. a stopper; 23. a second belt pulley.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a projector curtain mechanism comprises a mounting plate 1 and a base 4, wherein a first groove 5 is formed in the middle of the upper end face of the base 4, supporting plates 3 are fixedly arranged on two sides of the bottom end face in the first groove 5, the mounting plate 1 is fixedly arranged on the upper end faces of the two supporting plates 3, a first sliding groove 2 is formed in the middle of one side, opposite to the two supporting plates 3, of the two first sliding grooves 2, a balance weight plate 7 is arranged in the two first sliding grooves 2 in a sliding mode, a second groove 14 is formed in the middle of the upper end face of the balance weight plate 7, clamping grooves 15 are formed in two sides of the inner wall of the second groove 14, a clamping rod 16 is arranged at the bottom end of a curtain 6 and clamped in the balance weight plate 7, the lower end of the second rotating shaft 17 is driven to form a vertical downward tensile force, the surface of the curtain 6 is stretched and leveled, the first grooves 5 on two sides are matched to achieve vertical, stable and rail-type falling, connecting rods 19 are fixedly arranged on two sides of the lower end face of the mounting plate 1, a second rotating shaft 17 is rotatably arranged at the middle of the two connecting rods 19, a second rotating shaft 17 is positioned between the two connecting rods 19, the two connecting rods 18, the viscous roller 18 is used for scraping and rubbing the surface of the viscous curtain 6, thereby achieving the effect of cleaning of the cleaning curtain 6, and the cleaning of the cleaning, and the cleaning of the second shaft is convenient and convenient for driving motor to drive the cleaning structure, and direct driving motor, and quick cleaning;

the fixed cover of one end that No. two pivot 17 runs through one side connecting rod 19 is equipped with No. two belt pulleys 23, no. two pivot 17 pole body is located No. two belt pulleys 23 both sides and all fixes the cover and is equipped with stopper 22, the fixed motor 9 that is provided with in midpoint of mounting panel 1 inner wall one side, the fixed receiver 12 that is provided with in midpoint of mounting panel 1 inner wall opposite side, the fixed cover of motor 9 output end is equipped with pivot 11 No. one, the fixed cover of pivot 11 pole body is equipped with roller 10, roller 10 stack shell rotates the winding and is provided with curtain 6, terminal surface is fixed to be cup jointed card pole 16 under the curtain 6, the inside bottom face one side of mounting panel 1 is located motor 9 lower extreme and is fixed and is provided with fixing base 8, fixing base 8 up end is fixed and is provided with No. two motor 13, no. two motor 13 output end is fixed to be equipped with belt pulley 20, belt 21 connects steady and the noise is little when moving, have the buffering effect of inhaling, it is not high to make and the installation required precision.

One end of the first rotating shaft 11, which is far away from the first motor 9, is rotatably arranged at the midpoint of one side of the receiver 12 to provide a connection place for the electrical connection between the receiver 12 and the first motor 9, and meanwhile, when the first rotating shaft 11 rotates, the other end of the first rotating shaft cannot rotate to cause damage to the receiver 12, the clamping rod 16 is clamped and arranged in the clamping groove 15 on two sides of the inner wall of the second groove 14, so that the clamping rod 16 at the bottom end is clamped and connected with the counterweight plate 7, the curtain 6 can vertically and flatly move downwards, the curtain 6 is not shaken when the curtain is used, the shadow watching effect is improved, the first belt pulley 20 and the second belt pulley 23 are connected through the belt 21, the belt 21 is stable and has small noise when in connection and operation, the buffering and vibration absorption effects are achieved, the requirements on manufacturing and mounting precision are not high, and the characteristics of low manufacturing cost, simple structure, low cost, no need of lubrication, buffering, vibration absorption, and convenient installation and maintenance are achieved;

the cross section of the viscous roller 18 is larger than that of the connecting rod 19, the transverse length of the viscous roller is consistent with that of the curtain 6, the viscous roller 18 can be made to be tightly attached to the curtain 6, and the dust removal treatment can be performed on the surface of the curtain 6, so that the effect of cleaning the curtain 6 is achieved, the inner diameter and the transverse length of the first groove 5 are consistent with that of the transverse length and the width of the counterweight plate 7, the counterweight plate 7 can be completely embedded into the first groove 5 when falling to the first groove 5, the curtain 6 is guaranteed to be perpendicular, no wrinkles exist on the surface, the mounting plate 1 vertically corresponds to the base 4 in an up-and-down mode, the curtain 6 is guaranteed to fall in the process, the curtain 6 is actually in a perpendicular state, the appearance of surface wrinkles on the curtain 6 is reduced, the vertical lengths of the two first grooves 5 are larger than that of the curtain 6, the curtain 6 can be completely unfolded after falling is completed, the curtain 6 is guaranteed to be displayed to the maximum extent, and the wrinkles are avoided.

The working principle is as follows: during the use, put the device to suitable position, connect the power, start the motor 9 that is located mounting panel 1 and make a pivot 11 rotate, because curtain 6 rotates the winding on the roller 10 barrel in a pivot 11 outside, and curtain 6 lower extreme interlude kelly 16 and have counterweight plate 7 through kelly 16 joint, thereby make curtain 6 fall naturally, set up in recess 5 of both sides because of counterweight plate 7 slides, and recess 5 perpendicular to ground, guarantee that curtain 6 is in the horizontal vertical direction, reduce the appearance of fold, and both sides backup pad 3 blocks counterweight plate 7, thereby can not take place to rock when guaranteeing curtain 6 to use, see the shadow completion back, start motor 9 and make curtain 6 rise to roll up and establish at roller 10 barrel, and start motor 13 through belt pulley 20 and No. two belt pulleys 23 drive viscidity cylinder 18, viscidity cylinder 18 and curtain 6 closely laminate, thereby realize carrying out the adhesion to curtain 6 surface dust and handle, accomplish curtain 6 clearance.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a projecting apparatus curtain mechanism, includes mounting panel (1) and base (4), its characterized in that: a first groove (5) is formed in the middle of the upper end face of the base (4), supporting plates (3) are fixedly arranged on two sides of the inner bottom end face of the first groove (5), the mounting plate (1) is fixedly arranged on the upper end faces of the two supporting plates (3), a first sliding groove (2) is formed in the middle of one side, opposite to the two supporting plates (3), of the two first sliding grooves (2), a counterweight plate (7) is arranged in the two first sliding grooves (2) in a sliding mode, a second groove (14) is formed in the middle of the upper end face of the counterweight plate (7), clamping grooves (15) are formed in two sides of the inner wall of the second groove (14), connecting rods (19) are fixedly arranged on two sides of the lower end face of the mounting plate (1), a second rotating shaft (17) is rotatably arranged in the middle of the inner portions of the two connecting rods (19), and a viscous roller (18) is fixedly connected between the two connecting rods (19) on the shaft body of the second rotating shaft (17);

no. two pivot (17) run through the fixed cover of one end of one side connecting rod (19) and are equipped with No. two belt pulleys (23), it is equipped with stopper (22) to lie in No. two belt pulleys (23) both sides all fixed cover in No. two pivot (17) poles, mounting panel (1) inner wall one side midpoint fixing is provided with motor (9), mounting panel (1) inner wall opposite side midpoint fixing is provided with receiver (12), the fixed cover of No. one motor (9) output is equipped with pivot (11), the fixed cover of a pivot (11) pole body is equipped with roller (10), roller (10) shaft rotates the winding and is provided with curtain (6), fixed the having cup jointed card pole (16) of terminal surface under curtain (6), mounting panel (1) inside bottom face one side is located motor (9) lower extreme fixing and is provided with fixing base (8), the fixed No. two motor (13) that is provided with of fixing base (8) up end, the fixed cover of No. two motor (13) output is equipped with belt pulley (20).

2. A projector curtain mechanism as recited in claim 1, wherein: one end of the first rotating shaft (11), which is far away from the first motor (9), is rotatably arranged at the midpoint of one side of the receiver (12).

3. A projector curtain mechanism as in claim 1, wherein: the clamping rod (16) is clamped in the clamping grooves (15) on two sides of the inner wall of the second groove (14).

4. A projector curtain mechanism as in claim 1, wherein: the first belt pulley (20) and the second belt pulley (23) are connected through a belt (21).

5. A projector curtain mechanism as in claim 1, wherein: the cross section of the viscous roller (18) is larger than that of the connecting rod (19) and the transverse length of the viscous roller is consistent with that of the curtain (6).

6. A projector curtain mechanism as recited in claim 1, wherein: the inner diameter and the transverse length of the first groove (5) are consistent with the transverse length and the width of the counterweight plate (7).

7. A projector curtain mechanism as recited in claim 1, wherein: the mounting plate (1) vertically corresponds to the base (4).

8. A projector curtain mechanism as in claim 1, wherein: the vertical length of the first grooves (5) is greater than that of the curtain (6).