CN206757288U

CN206757288U - A kind of automatic projection curtain

Info

Publication number: CN206757288U
Application number: CN201720173882.0U
Authority: CN
Inventors: 余治蓉; 刘佳
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-02-26
Filing date: 2017-02-26
Publication date: 2017-12-15
Anticipated expiration: 2027-02-26

Abstract

The utility model discloses a kind of automatic projection curtain, including receiver, curtain, fall bar, screw mandrel, first motor, second motor, controller, the screw mandrel is vertically arranged, screw mandrel one end and the rotating shaft of the first motor are coaxially connected, the receiver is laterally set, feed screw nut is fixedly connected with rear side of receiver, the feed screw nut is socketed on screw mandrel, horizontal spool is provided with the receiver, described spool one end and the rotating shaft of the second motor are coaxially connected, spool is fixedly connected with the top edge of curtain, the pendant bar is laterally set, pendant bar is fixedly connected with the lower edge of curtain, the lower edge of the curtain stretches out from the transverse joint on the downside of receiver, receiver leading flank and curtain the leading flank lower end is separately installed with one group of optical sensor.The utility model has light sensation control system, and the boundary up and down for being capable of Automatic-searching projection is expanded to suitable length, without control manually.

Description

A kind of automatic projection curtain

Technical field

A kind of commodity are the utility model is related to, more particularly to a kind of automatic projection curtain.

Background technology

Present projection screen is all the length for controlling it to deploy manually, and the upper end of projection screen is all fixed, projection When can only by adjust projection distance and angle can just picture is fallen on projection screen, use is very inconvenient.

Utility model content

The utility model aims to provide a kind of automatic projection curtain, has light sensation control system, is capable of Automatic-searching projection Upper and lower boundary is expanded to suitable length, without control manually.

To reach above-mentioned purpose, the technical solution adopted in the utility model is as follows：

A kind of automatic projection curtain disclosed in the utility model, including receiver, curtain, pendant article, screw mandrel, the first motor, the Two motors, controller, the screw mandrel is vertically arranged, and screw mandrel one end and the rotating shaft of the first motor are coaxially connected, and the receiver is horizontal To setting, feed screw nut is fixedly connected with rear side of receiver, the feed screw nut is socketed on screw mandrel, is provided with the receiver Horizontal spool, described spool one end and the rotating shaft of the second motor are coaxially connected, and spool is fixedly connected with the top edge of curtain, institute State pendant bar laterally to set, pendant bar is fixedly connected with the lower edge of curtain, the transverse joint of the lower edge of the curtain on the downside of receiver Middle stretching, the receiver leading flank are provided with the first optical sensor, the second optical sensor, and first optical sensor is positioned at the The top of two optical sensors, the leading flank lower end of the curtain are provided with the 3rd optical sensor, the leading flank installation of the pendant bar There are the 4th optical sensor, first optical sensor, the second optical sensor, the 3rd optical sensor, the 4th optical sensor, the first electricity Machine, the second motor are connected with controller respectively.

Preferably, the leading flank lower end of the receiver extends downwardly out an act plate, the curtain of the second optical sensor installation On plate.

Preferably, in addition to mounting box, mounting box front side opening, the screw mandrel are arranged in mounting box, the silk Stem nut is slidably connected with mounting box.

Further, the feed screw nut is located at the middle part of receiver.

Further, in addition to guide rail, the guide rail is vertically arranged, is fixedly connected with rear side of the receiver and is fitted with guide rail The sliding block matched somebody with somebody.

Preferably, the sliding block also includes pulley.

Preferably, the guide rail has two, and the sliding block has two pieces, and two guide rails are symmetrically distributed at left and right sides of screw mandrel.

Because the light intensity of projection is significantly greater than the light intensity of illumination light, therefore photograph can be distinguished by cutting down the setting of value Mingguang City and projected light.

Expansion is in use, directly by projection on the utility model, when the first optical sensor and the second optical sensor When receiving projected light simultaneously, controller controls the work of the first motor, and drive screw rotates forward, so as to drive receiver upward Mobile, until stopping when the first optical sensor does not receive projected light, the second optical sensor receives projected light, i.e. this practicality is new Upper limit of the type Automatic-searching to projection；When the 3rd optical sensor and the 4th optical sensor receive projected light simultaneously, control Device controls the work of the second motor, and driving spool rotates forward, so as to drive curtain drops down in the presence of bar gravity is fallen, directly Stop when the 3rd optical sensor receives projected light, the 4th optical sensor does not receive projected light, i.e., the utility model is automatic Search out the Lower Limits of projection.

Projection is closed, the first optical sensor and the second optical sensor do not receive projected light, the electricity of controller control first Machine works, and drive screw reversely rotates, so as to drive receiver to move down, until the bottom that receiver is moved to screw mandrel is stopped Only, can specifically be realized by installing contact-making switch；3rd optical sensor and the 4th optical sensor do not receive projected light, Controller controls the work of the second motor, and driving spool reversely rotates, so as to which curtain is involved in into receiver, until pendant bar is stuck in storage Stop during the transverse joint of box, can specifically be realized by installing contact-making switch.

The utility model has the advantages that：

1. the utility model by two groups of optical sensors and two motors, catches the upper and lower boundary of projection respectively, to reach Adjust automatically curtain length of run and the effect of position；

2. driving receiver to move up and down by the rotation of screw mandrel, stable movement is easily locked；

3. the second optical sensor is arranged on the curtain plate that receiver leading flank lower end extends downwardly out, projection can be avoided Upper limit is irradiated on receiver, is easy to control projection full illumination in the range of curtain；

4. feed screw nut is slidably connected with mounting box, by increasing capacitance it is possible to increase the stability of mounting box motion；

5. guide rail can further increase the stability of mounting box motion with sliding block.

Brief description of the drawings

Fig. 1 is the structural representation of embodiment one；

Fig. 2 is Fig. 1 A portions zoomed-in view；

Fig. 3 is Fig. 1 left view；

Fig. 4 is Fig. 3 B portions zoomed-in view；

Fig. 5 is the top view of receiver in Fig. 1；

Fig. 6 is the structural representation of embodiment two；

Fig. 7 is the top view of receiver in Fig. 6；

In figure：1- receivers, 2- curtains, 3- pendants bar, 4- mounting boxs, 5- screw mandrels, the motors of 6- first, the motors of 7- second, 8- Guide rail, the optical sensors of 11- first, the optical sensors of 12- second, 13- curtains plate, 14- feed screw nut, 141- screwed holes, 15- sliding blocks, 151- pulleys, the optical sensors of 21- the 3rd, the optical sensors of 31- the 4th.

Embodiment

In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing, to this reality It is further elaborated with new.

Embodiment one：

As Figure 1-5, a kind of automatic projection curtain disclosed in the utility model, including receiver 1, curtain 2, pendant bar 3, silk Bar 5, the first motor 6, the second motor 7, controller, screw mandrel 5 is vertically arranged, and the one end of screw mandrel 5 and the rotating shaft of the first motor 6 coaxially connect Connect, receiver 1 is laterally set, and the rear side of receiver 1 is fixedly connected with feed screw nut 14, and feed screw nut 14 is socketed on screw mandrel 5, receives Horizontal spool is provided with case 1, spool one end and the rotating shaft of the second motor 7 are coaxially connected, and the top edge of spool and curtain 2 is consolidated Fixed to connect, pendant bar 3 is laterally set, and pendant bar 3 is fixedly connected with the lower edge of curtain 2, and the lower edge of curtain 2 is on the downside of receiver 1 Transverse joint in stretch out, the leading flank of receiver 1 is provided with the first optical sensor 11, the second optical sensor 12, the first optical sensor 11 Positioned at the top of the second optical sensor 12, the leading flank lower end of curtain 2 is provided with the 3rd optical sensor 21, falls the leading flank of bar 3 4th optical sensor 31, the first optical sensor 11, the second optical sensor 12, the 3rd optical sensor 21, the 4th light sensing are installed Device 31, the first motor 6, the second motor 7 are connected with controller respectively, and the leading flank lower end of receiver 1 extends downwardly out act plate 13, On the curtain plate 13 of second optical sensor 12 installation, in addition to mounting box 4, the front side of mounting box 4 is open, and screw mandrel 5 is arranged on mounting box 4 Interior, feed screw nut 14 is slidably connected with mounting box 4, and feed screw nut 14 is located at the middle part of receiver 1.First motor 6, the second motor 7 be either-rotation motor.

The principle and application method of embodiment one are as follows：

Expansion is in use, directly by projection on the utility model, when the first optical sensor 11 and the second light sensing When device 12 receives projected light simultaneously, controller controls the first motor 6 to work, and drive screw 5 rotates forward, so as to drive storage Box 1 moves up, until stopping when the first optical sensor 11 does not receive projected light, the second optical sensor 12 receives projected light Only, i.e., the utility model Automatic-searching to projection upper limit；When simultaneously the 3rd optical sensor 21 and the 4th optical sensor 31 connect When receiving projected light, controller controls the second motor 7 to work, and driving spool rotates forward, so as in the presence of the gravity of bar 3 is fallen The drops down of curtain 2 is driven, until the 3rd optical sensor 21 receives projected light, the 4th optical sensor 31 does not receive projected light When stop, i.e., the utility model Automatic-searching to projection Lower Limits.

Close projection, the first optical sensor 11 and the second optical sensor 12 do not receive projected light, controller control the One motor 6 works, and drive screw 5 reversely rotates, so as to drive receiver 1 to move down, until receiver 1 is moved to screw mandrel 5 Bottom stop, specifically can by install contact-making switch realize；3rd optical sensor 21 and the 4th optical sensor 31 are not Projected light is received, controller controls the second motor 7 to work, and driving spool reversely rotates, so as to which curtain 2 is involved in into receiver 1, Until pendant bar 3 stops when being stuck in the transverse joint of receiver 1, can specifically be realized by installing contact-making switch.

Embodiment two：

As shown in fig. 6-7, guide rail 8 is added on the basis of embodiment one, guide rail 8 is vertically arranged, and the rear side of receiver 1 is fixed The sliding block 15 being adapted to guide rail 8 is connected with, sliding block 15 also includes pulley 151, and guide rail 8 there are two, and sliding block 15 there are two pieces, and two are led Rail 8 is symmetrically distributed in the left and right sides of screw mandrel 5.So that receiver 1 is smoother when moving up and down, it is more stable.

Certainly, the utility model can also have other various embodiments, without departing substantially from the utility model spirit and its essence In the case of, those skilled in the art can make various corresponding changes and deformation, but these phases according to the utility model The change and deformation answered should all belong to the scope of the claims appended by the utility model.

Claims

A kind of 1. automatic projection curtain, it is characterised in that：Including receiver (1), curtain (2), pendant bar, screw mandrel (5), the first motor (6), the second motor (7), controller, the screw mandrel (5) is vertically arranged, and screw mandrel (5) one end and the rotating shaft of the first motor (6) are coaxial Connection, the receiver (1) are laterally set, and feed screw nut (14), the feed screw nut are fixedly connected with rear side of receiver (1) (14) it is socketed on screw mandrel (5), horizontal spool, described spool one end and the second motor (7) is provided with the receiver (1) Rotating shaft is coaxially connected, and spool is fixedly connected with the top edge of curtain (2), and the pendant bar is laterally set, under pendant bar and curtain (2) Edge is fixedly connected, and the lower edge of the curtain (2) stretches out from the transverse joint on the downside of receiver (1), on front side of the receiver (1) Face is provided with the first optical sensor (11), the second optical sensor (12), and first optical sensor (11) is located at the second light sensing The top of device (12), the leading flank lower end of the curtain (2) are provided with the 3rd optical sensor (21), the leading flank peace of the pendant bar Equipped with the 4th optical sensor (31), first optical sensor (11), the second optical sensor (12), the 3rd optical sensor (21), 4th optical sensor (31), the first motor (6), the second motor (7) are connected with controller respectively.
A kind of 2. automatic projection curtain according to claim 1, it is characterised in that：The leading flank lower end of the receiver (1) An act plate (13) is extended downwardly out, on the curtain plate (13) of the second optical sensor (12) installation.
A kind of 3. automatic projection curtain according to claim 1, it is characterised in that：Also include mounting box (4), the mounting box (4) front side is open, and the screw mandrel (5) is arranged in mounting box (4), and the feed screw nut (14) is slidably connected with mounting box (4).
A kind of 4. automatic projection curtain according to claim 1, it is characterised in that：The feed screw nut (14) is located at receiver (1) middle part.
A kind of 5. automatic projection curtain according to claim 4, it is characterised in that：Also include guide rail (8), the guide rail (8) It is vertically arranged, it is fixedly connected with the sliding block (15) being adapted to guide rail (8) on rear side of the receiver (1).
A kind of 6. automatic projection curtain according to claim 5, it is characterised in that：The sliding block (15) also includes pulley (151)。
A kind of 7. automatic projection curtain according to claim 5, it is characterised in that：The guide rail (8) has two, the sliding block (15) there are two pieces, two guide rails (8) are symmetrically distributed at left and right sides of screw mandrel (5).