CN211375307U

CN211375307U - Projection curtain automatic coordination elevating gear

Info

Publication number: CN211375307U
Application number: CN202020272592.3U
Authority: CN
Inventors: 范韬; 段克翀
Original assignee: Qingdao Yanboo Electronic Co ltd
Current assignee: Qingdao Yanboo Electronic Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-08-28
Anticipated expiration: 2030-03-06

Abstract

The utility model discloses a projection curtain self-service cooperation elevating gear, including curtain winding mechanism and elevating system, the downside installation elevating system of curtain winding mechanism, form through curtain winding mechanism and elevating system equipment, in the installation, install the curtain couple inlay card in the curtain winding mechanism in the couple groove, when needs expand the installation curtain, open elevator motor, drive lifting screw rotates, drive screw slider downstream, thereby make horizontal pole pulling curtain couple and curtain base, expand the installation downwards with the monoblock curtain, after the meeting, untie the curtain couple from couple groove, make curtain and rolling axle retrieve into in the rolling shell through torsion spring's effect, accomplish accommodating fast of curtain, its installation and recovery convenient and fast, and be applicable to most large-scale speech and meeting place.

Description

Projection curtain automatic coordination elevating gear

Technical Field

The utility model relates to a projection curtain technical field specifically is a projection curtain self-adaptation elevating gear.

Background

The projection curtain is used in the occasions such as films, offices, home theaters, large conferences and the like, and is a tool for displaying images and video files, the curtain is divided into a plurality of specifications and sizes, the selection of different space projection curtains is different, for example, the occasions with more people watching or transversely watching are suitable for selecting a wide viewing angle and a low-gain screen, narrow and long space watching is used for selecting a narrow viewing angle and a high-gain screen, and meanwhile, the screens with proper gain are selected, so that the contrast of the screens is favorably improved, the gray level of the images is increased, the colors are bright, the observability of the images is increased, the projection curtain in the prior art is mostly manually unfolded and installed, and in large-scale lecture meeting places, because the curtain is larger, the capability of manual unfolding is limited, and the projection curtain can not be rapidly and effectively unfolded, installed or accommodated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a projection curtain automatically-matched elevating gear, form through curtain winding mechanism and elevating system equipment, in the installation, install the curtain couple inlay card in the curtain winding mechanism in the couple groove, when needs expand the installation curtain, open elevator motor, drive lifting screw rotates, drive screw slider downstream, thereby make horizontal pole pulling curtain couple and curtain base, expand the installation downwards with the monoblock curtain, after the meeting, with the curtain couple from couple groove department, make curtain and rolling axle through torsion spring's effect recovery in rolling shell, accomplish accommodating fast of curtain, its installation and recovery convenient and fast, and be applicable to most large-scale speech and meeting place, thereby solve the problem among the prior art.

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

the utility model provides a projection curtain automatically-matched elevating gear, includes curtain winding mechanism and elevating system, the downside installation elevating system of curtain winding mechanism.

Curtain winding mechanism includes rolling shell, rolling seat, loose axle, stop screw, torsion spring, rolling limiting plate, rolling axle, curtain base and curtain couple, the both ends of rolling shell are equipped with the rolling seat respectively, install the loose axle in the rolling seat, the end of loose axle is equipped with stop screw, install torsion spring between the loose axle, torsion spring's end is equipped with the rolling limiting plate, be equipped with the rolling axle between the rolling limiting plate, the epaxial installation curtain of rolling, the curtain base, install the curtain couple on the curtain base.

The lifting mechanism comprises a lifting base, base bolts, a motor sleeve, a lifting motor, a lifting shell, an inner groove, a screw rod seat, a lifting screw rod, a screw rod sliding block, a transverse rod and a hook groove, wherein the base bolts are respectively arranged on two sides of the upper end of the lifting base, the motor sleeve is arranged on the upper side of the lifting base, the lifting motor is installed in the motor sleeve, the lifting shell is arranged on the upper side of the lifting motor, the inner groove is formed in the lifting shell, the screw rod seat is respectively arranged at the upper end and the lower end of the inner groove, the lifting screw rod is installed between the screw rod seats, the screw rod sliding block is installed on the lifting screw rod, the transverse rod is arranged on the side face of.

Preferably, the lifting shell is welded at the bottom of the rolling seat.

Preferably, the curtain hooks and the hook grooves are provided with two groups.

Preferably, the torsion spring is welded to the inner wall of the winding shell.

Preferably, the lifting motor is nested inside the motor sleeve.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses projection curtain self-adaptation elevating gear forms through curtain winding mechanism and elevating system equipment, in the installation, install the curtain couple inlay card in the curtain winding mechanism in the couple groove, when needs expand the installation curtain, open elevator motor, drive lifting screw rotates, drive screw slider downstream, thereby make horizontal pole pulling curtain couple and curtain base, expand the installation downwards with the monoblock curtain, after the meeting, untie the curtain couple from couple groove, make curtain and rolling axle through torsion spring's effect recovery in the rolling shell, accomplish accommodating fast of curtain, the utility model discloses it is complete reasonable in structure, its installation and recovery convenient and fast, and be applicable to most large-scale speech and meeting place.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic cross-sectional structural view of the curtain winding mechanism of the present invention;

fig. 4 is a schematic view of a partial sectional structure of the lifting mechanism of the present invention.

In the figure: 1. a curtain winding mechanism; 101. rolling the shell; 102. a winding seat; 103. a movable shaft; 104. a limit screw; 105. a torsion spring; 106. winding a limiting plate; 107. a winding shaft; 108. a curtain; 109. a curtain base; 1010. curtain hanging hooks; 2. a lifting mechanism; 21. a lifting base; 22. a base bolt; 23. a motor casing; 24. a lifting motor; 25. lifting the housing; 26. an inner tank; 27. a screw seat; 28. a lifting screw; 29. a screw slider; 210. a cross bar; 211. a hook groove.

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. 1-2, an automatic lifting device for a projection screen includes a screen winding mechanism 1 and a lifting mechanism 2, wherein the lifting mechanism 2 is installed at the lower side of the screen winding mechanism 1.

Referring to fig. 3, the curtain winding mechanism 1 includes a winding housing 101, a winding seat 102, a movable shaft 103, a limit screw 104, a torsion spring 105, winding limit plates 106, a winding shaft 107, a curtain 108, a curtain base 109 and a curtain hook 1010, the winding seat 102 is respectively disposed at two ends of the winding housing 101, the movable shaft 103 is installed in the winding seat 102, the limit screw 104 is disposed at the end of the movable shaft 103, the torsion spring 105 is installed between the movable shafts 103, the torsion spring 105 is welded on the inner wall of the winding housing 101, the winding limit plate 106 is disposed at the end of the torsion spring 105, the winding shaft 107 is disposed between the winding limit plates 106, the curtain 108 is installed on the winding shaft 107, the curtain base 109 is installed with the curtain hook 1010, and the curtain hook 1010 and the hook slot 211 are two sets.

Referring to fig. 4, the lifting mechanism 2 includes a lifting base 21, a base bolt 22, a motor sleeve 23, a lifting motor 24, and a lifting housing 25, the winding machine comprises an inner groove 26, a screw rod seat 27, a lifting screw rod 28, a screw rod sliding block 29, a cross rod 210 and a hook groove 211, wherein base bolts 22 are respectively arranged on two sides of the upper end of the lifting base 21, a motor sleeve 23 is arranged on the upper side of the lifting base 21, the lifting motor 24 is installed in the motor sleeve 23, the lifting motor 24 is nested in the motor sleeve 23, a lifting shell 25 is arranged on the upper side of the lifting motor 24, the lifting shell 25 is welded at the bottom of the winding seat 102, the inner groove 26 is arranged in the lifting shell 25, the screw rod seat 27 is respectively arranged at the upper end and the lower end of the inner groove 26, the lifting screw rod 28 is installed between the screw rod seats 27, the screw rod sliding block 29 is installed on the lifting screw rod 28.

The utility model discloses difference with prior art: most of the prior art projection curtains 108 are manually and manually unfolded and installed, in large lecture meeting places, because the curtain 108 is large, the capability of manual unfolding is limited, and the projection curtain 108 can not be quickly and effectively unfolded, installed or accommodated, the utility model discloses a projection curtain automatic matching lifting device is assembled by the curtain winding mechanism 1 and the lifting mechanism 2, in the installation process, the curtain hook 1010 in the curtain winding mechanism 1 is embedded and installed in the hook groove 211, when the curtain 108 needs to be unfolded and installed, the lifting motor 24 is opened, the lifting screw 28 is driven to rotate, the screw slider 29 is driven to move downwards, so that the cross bar 210 pulls the curtain hook 1010 and the curtain base 109, the whole curtain 108 is unfolded and installed downwards, after the meeting is finished, the curtain 108 hook is untied from the hook groove 211, the curtain 108 and the winding shaft 107 are retracted into the winding shell 101 through the action of the torsion spring 105, the curtain 108 can be accommodated quickly, is convenient and quick to install and recover, and is suitable for most large lectures and meeting places.

In summary, the following steps: the utility model discloses projection curtain self-service cooperation elevating gear, form through

curtain winding mechanism

1 and 2 equipment of elevating system, in the installation, install curtain couple 1010 inlay card in curtain winding mechanism 1 in couple groove 211, when needs expand installation curtain 108, open elevator motor 24, drive lifting screw 28 rotates, drive screw slider 29 downstream, thereby make horizontal pole 210 pulling curtain couple 1010 and curtain base 109, expand the installation downwards monoblock curtain 108, after the meeting, with curtain 108 couple from couple groove 211 department unties, make curtain 108 and rolling axle 107 retrieve into rolling shell 101 through torsion spring 105's effect in, accomplish accommodating fast of curtain 108, the utility model discloses the structure is complete reasonable, its installation and recovery convenient and fast, and be applicable to most of large-scale speech and meeting place.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a projection curtain automatically-coordinated elevating gear, includes curtain winding mechanism (1) and elevating system (2), its characterized in that: a lifting mechanism (2) is arranged on the lower side of the curtain winding mechanism (1);

the curtain winding mechanism (1) comprises a winding shell (101), a winding seat (102), a movable shaft (103), a limit screw (104), a torsion spring (105), a winding limit plate (106), a winding shaft (107), a curtain (108), a curtain base (109) and a curtain hook (1010), two ends of the winding shell (101) are respectively provided with a winding seat (102), a movable shaft (103) is arranged in the winding seat (102), the tail end of the movable shaft (103) is provided with a limit screw (104), a torsion spring (105) is arranged between the movable shafts (103), the tail end of the torsion spring (105) is provided with rolling limit plates (106), a rolling shaft (107) is arranged between the rolling limit plates (106), a curtain (108) is arranged on the winding shaft (107), a curtain base (109) is arranged on the curtain base (109), and a curtain hook (1010) is arranged on the curtain base (109);

the lifting mechanism (2) comprises a lifting base (21), base bolts (22), a motor sleeve (23), a lifting motor (24), a lifting shell (25), inner grooves (26), a screw seat (27), a lifting screw (28), a screw slider (29), a cross rod (210) and a hook groove (211), wherein the base bolts (22) are respectively arranged on two sides of the upper end of the lifting base (21), the motor sleeve (23) is arranged on the upper side of the lifting base (21), the lifting motor (24) is installed in the motor sleeve (23), the lifting shell (25) is arranged on the upper side of the lifting motor (24), the inner grooves (26) are arranged in the lifting shell (25), the screw seats (27) are respectively arranged at the upper end and the lower end of the inner grooves (26), the lifting screw (28) is installed between the screw seats (27), the screw slider (29) is installed on the lifting screw (28), the side of the screw rod sliding block (29) is provided with a cross rod (210), and the cross rod (210) is provided with a hook groove (211).

2. The projection curtain auto-match lifting device of claim 1, wherein: the lifting shell (25) is welded at the bottom of the rolling seat (102).

3. The projection curtain auto-match lifting device of claim 1, wherein: the curtain hooks (1010) and the hook grooves (211) are provided with two groups.

4. The projection curtain auto-match lifting device of claim 1, wherein: the torsion spring (105) is welded on the inner wall of the rolling shell (101).

5. The projection curtain auto-match lifting device of claim 1, wherein: the lifting motor (24) is nested in the motor sleeve (23).