CN218675666U

CN218675666U - Curtain type film curtain structure

Info

Publication number: CN218675666U
Application number: CN202222498658.2U
Authority: CN
Inventors: 段文杰; 谢斌; 段礼新; 周志豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-03-21
Anticipated expiration: 2032-09-21

Abstract

The utility model relates to a film curtain technical field specifically is a curtain formula film curtain structure, including mounting bracket and curtain, the front end at the mounting bracket is installed to the curtain, and the upper and lower both sides of curtain are equipped with rather than fixed connection's the connection cloth, are equipped with a plurality of evenly distributed's round hole on the connection cloth of curtain upper end, and the left and right sides of the connection cloth of lower extreme is equipped with the round hole respectively, and one side in the mounting bracket is equipped with drive assembly, is equipped with on the drive assembly to accomodate the extension subassembly that extends to the curtain with its cooperation, the utility model discloses when the curtain expandes, can not drag the curtain, avoid the curtain to tear the damage, simultaneously, fix the curtain four corners position after expanding, effectually avoided the curtain to be blown, influence the experience of seeing the shadow personnel.

Description

Curtain type film curtain structure

Technical Field

The utility model relates to a film curtain technical field specifically is a curtain formula film curtain structure.

Background

Projection screens are tools used in movies, offices, home theaters, large conferences, etc. to display images and video files.

At present, the curtain is in the expansion back, need drag the tension to its four corners and straighten, then fix, the atress is then easy to appear inhomogeneous, leads to the condition of warping, if it is fixed to it is straightened, the curtain expansion back receives the influence of mobile air very easily, consequently can appear the condition that flutters along with the wind, great reduction sight shadow experience of sight shadow person.

Therefore, it is desirable to design a curtain type movie curtain structure to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a curtain formula film curtain structure to can't carry out the problem of effectively expanding to the curtain among the above-mentioned background art of solution.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a curtain formula film curtain structure, includes mounting bracket and curtain, the front end at the mounting bracket is installed to the curtain, the upper and lower both sides of curtain are equipped with rather than fixed connection's connection cloth, be equipped with a plurality of evenly distributed's round hole on the connection cloth of curtain upper end, the left and right sides of the connection cloth of lower extreme is equipped with the round hole respectively, one side in the mounting bracket is equipped with drive assembly, the last extension subassembly that takes in the extension to the curtain rather than the cooperation that is equipped with of drive assembly.

Preferably, the interior of the mounting rack is of a hollow structure, and the driving assembly and the stretching assembly are both located in an inner cavity of the mounting rack.

Preferably, drive assembly includes motor, rotary rod, first bevel gear, threaded rod, guide bar and second bevel gear, motor fixed mounting is in one side of mounting bracket, the upper and lower both ends of motor are equipped with respectively rather than output fixed connection's rotary rod, just the one end that the motor was kept away from to the rotary rod is equipped with rather than fixed connection's first bevel gear, be equipped with rather than the second bevel gear of meshing on the first bevel gear, second bevel gear and threaded rod fixed connection, just the both ends of threaded rod rotate with the inner chamber of mounting bracket respectively and are connected, the both sides of threaded rod are equipped with respectively with mounting bracket inner chamber fixed connection's guide bar.

Preferably, the extension subassembly includes fixed block, movable block, nut seat, head rod and second connecting rod, threaded rod, fixed block and nut seat are equipped with two respectively, the fixed block passes through bearing and threaded rod rotation connection, the both sides and the guide bar fixed connection of fixed block, nut seat and threaded rod threaded connection, and the both sides of nut seat all with guide bar swing joint, be equipped with a plurality of evenly distributed's movable block between fixed block on the threaded rod of motor upper end and the nut seat, just movable block and threaded rod, guide bar sliding connection, be equipped with the second connecting rod rather than rotation connection directly over the movable block, be equipped with the head rod on fixed block and the nut seat respectively, just the one end of head rod is articulated with fixed block and nut seat respectively on fixed block and the nut seat, and the other end is articulated with the adjacent second connecting rod one end of head rod.

Preferably, one ends of two adjacent second connecting rods are in contact and hinged, and the angle formed by the hinged contact ends of the two second connecting rods is not a straight angle.

Preferably, the upper side and the lower side of the outer side of the mounting frame are provided with elongated slots, hooks are arranged on one sides, close to the elongated slots, of the moving block, the fixed block and the nut seat, and the fixed block on the threaded rod at the lower end of the motor and the hooks on the nut seat are respectively in rotating connection with the hooks.

Compared with the prior art, the beneficial effects of the utility model are that: this curtain formula film curtain structure is through the round hole cover on will connecting the cloth on the couple, during the expansion, nut seat moves towards the right side on the threaded rod, the cooperation through first connecting rod drives the movable block and moves towards the right side in step, need not drag the curtain, avoid the curtain to tear the damage, fixed block and nut seat through the threaded rod left and right sides, fix the curtain four corners position after the expansion, the effectual curtain of having avoided is blown by the wind, influence sight shadow personnel's experience.

Drawings

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

fig. 2 is an enlarged schematic view of a point a in fig. 1 according to the present invention;

fig. 3 is an enlarged schematic view of the utility model at the point B in fig. 1;

FIG. 4 is a schematic view of the fitting structure of the curtain and the mounting frame of the present invention;

fig. 5 is a schematic view of the internal structure of the mounting rack of the present invention;

FIG. 6 is a schematic view of the structure of the driving assembly and the extending assembly of the present invention;

fig. 7 is a schematic view of a part of the structure of the stretching assembly of the present invention.

In the figure: 1. a mounting frame; 2. a curtain; 3. connecting cloth; 4. a circular hole; 5. a motor; 6. rotating the rod; 7. a first bevel gear; 8. a threaded rod; 9. a guide bar; 10. a second bevel gear; 11. a fixed block; 12. a moving block; 13. a nut seat; 14. a first connecting rod; 15. a second connecting rod; 16. a long groove; 17. and (4) hanging hooks.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides an embodiment: the utility model provides a curtain formula film curtain structure, including mounting bracket 1 and curtain 2, the front end at mounting bracket 1 is installed to curtain 2, the upper and lower both sides of curtain 2 are equipped with rather than fixed connection's connection cloth 3, and connect cloth 3 for having certain elastic cloth, in order to be convenient fixed when launching curtain 2, it is also convenient to install it simultaneously, be equipped with a plurality of evenly distributed's round hole 4 on the connection cloth 3 of curtain 2 upper end, the left and right sides of the connection cloth 3 of lower extreme is equipped with round hole 4 respectively, one side in the mounting bracket 1 is equipped with drive assembly, be equipped with on the drive assembly and accomodate the extension subassembly that extends curtain 2 with its cooperation, drive the extension subassembly through drive assembly and extend, it is followed by the extension and pulls open to hang curtain 2 on the extension subassembly.

Further, the inside of the mounting bracket 1 is a hollow structure, and the driving component and the stretching component are both located in the inner cavity of the mounting bracket 1.

Further, in order to enable the extension component to extend and contract, a driving component is arranged for driving the extension component, the driving component comprises a motor 5, a rotating rod 6, a first bevel gear 7, a threaded rod 8, a guide rod 9 and a second bevel gear 10, the motor 5 is fixedly arranged on one side of the mounting rack 1, the motor 5 is a double-shaft motor 5 and can simultaneously drive an upper output end and a lower output end to rotate, the motor 5 is electrically connected with an external power supply through a control switch, the control switch can be arranged on a wall, the motor 5 belongs to the prior art, the specific structure and the electrical connection relation are not detailed here, the upper end and the lower end of the motor 5 are respectively provided with the rotating rod 6 fixedly connected with the output end thereof, one end of the rotating rod 6, which is far away from the motor 5, is provided with the first bevel gear 7 fixedly connected with the rotating rod, be equipped with rather than the second bevel gear 10 of meshing on first bevel gear 7, second bevel gear 10 and threaded rod 8 fixed connection, and the both ends of threaded rod 8 rotate with the inner chamber of mounting bracket 1 respectively and be connected, the both sides of threaded rod 8 are equipped with respectively with mounting bracket 1 inner chamber fixed connection's guide bar 9, motor 5 starts, it is rotatory respectively at the rotary rod 6 of its output to drive two from top to bottom, it rotates thereupon to fix first bevel gear 7 at the rotary rod 6 other end, it rotates thereupon to drive rather than the second bevel gear 10 of meshing, threaded rod 8 with second bevel gear 10 fixed connection rotates thereupon, the extension subassembly of cover on threaded rod 8 extends thereupon.

Furthermore, in order to prevent the curtain 2 from being deformed due to pulling when being unfolded, the curtain is provided with an extension assembly, the extension assembly comprises a fixed block 11, moving blocks 12, a nut seat 13, a first connecting rod 14 and a second connecting rod 15, two threaded rods 8, two fixed blocks 11 and two nut seats 13 are respectively arranged, the directions of the threads on the two threaded rods 8 are opposite, the fixed block 11 is rotatably connected with the threaded rods 8 through bearings, two sides of the fixed block 11 are fixedly connected with guide rods 9, the nut seat 13 is in threaded connection with the threaded rods 8 and moves in a matching manner with the threaded rods 8, two sides of the nut seat 13 are movably connected with the guide rods 9, a plurality of moving blocks 12 which are uniformly distributed are arranged between the fixed block 11 on the threaded rod 8 at the upper end of the motor 5 and the nut seat 13, and the moving block 12 is connected with the threaded rod 8 and the guide rod 9 in a sliding manner, a second connecting rod 15 which is connected with the moving block in a rotating manner is arranged at the right upper end of the moving block 12, first connecting rods 14 are respectively arranged on the fixed block 11 and the nut seat 13, one end of each first connecting rod 14 on the fixed block 11 and the nut seat 13 is hinged with the fixed block 11 and the nut seat 13, the other end of each second connecting rod 15 adjacent to the corresponding first connecting rod 14 is hinged, when the threaded rod 8 rotates clockwise, the threaded rod 8 and the nut seat 13 on the guide rod 9 move towards the right side along with the threaded rod 8, the first connecting rods 14 on the nut seats 13 rotate along with the threaded rod 14, the second connecting rods 15 adjacent to the threaded rod 15 are driven to rotate, and the second connecting rods 15 on the moving block 12 synchronously rotate to drive the first connecting rods 14 on the fixed block 11 to rotate.

Further, one ends of two adjacent second connecting rods 15 are in contact and hinged, and the angle formed by the hinged contact ends of the two second connecting rods 15 is not a straight angle.

Furthermore, in order to hang the curtain 2, the upper side and the lower side of the outer side of the mounting frame 1 are provided with long grooves 16, and one sides, close to the long grooves 16, of the moving block 12, the fixed block 11 and the nut seat 13 are provided with hooks 17, the fixed block 11 on the threaded rod 8 at the lower end of the motor 5 and the hooks 17 on the nut seat 13 are respectively in rotating connection with the hooks 17, and the curtain 2 is fixed while being unfolded through the cooperation of the hooks 17 and the round holes 4 on the connecting cloth 3.

The working principle is as follows: the motor 5 is started to drive the rotating rod 6 to rotate, the threaded rods 8 at the upper end and the lower end rotate through the matching of the first conical gear 7 and the second conical gear 10, the position of the fixed block 11 is fixed, the nut seat 13 on one side of the fixed block 11 moves towards one side far away from the fixed block 11, the moving block 12 between the fixed block 11 and the nut seat 13 moves synchronously, the curtain 2 hung on the hooks 17 on the fixed block 11, the moving block 12 and the nut seat 13 moves along with the curtain 2, after the nut seat 13 moves to a specified position, the motor 5 stops rotating, and four corners of the curtain 2 are fixed through the hooks 17 on the two fixed blocks 11 and the two nut seats 13.

When the curtain 2 needs to be disassembled, the curtain 2 is unfolded, the hooks 17 on the fixed block 11 at the lower end of the motor 5 and the nut seat 13 are rotated by 180 degrees, the heads of the hooks 17 face upwards, the curtain 2 is taken out from the hooks 17, and then the curtain 2 is taken out from the hooks 17 on the fixed block 11, the moving block 12 and the nut seat 13 at the upper end of the motor 5.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a curtain formula film curtain structure, includes mounting bracket (1) and curtain (2), the front end at mounting bracket (1), its characterized in that are installed in curtain (2): curtain (2) upper and lower both sides are equipped with rather than fixed connection's connection cloth (3), be equipped with a plurality of evenly distributed's round hole (4) on connection cloth (3) of curtain (2) upper end, the left and right sides of connection cloth (3) of lower extreme is equipped with round hole (4) respectively, one side in mounting bracket (1) is equipped with drive assembly, be equipped with on the drive assembly and accomodate the extension subassembly that extends to curtain (2) rather than the cooperation.

2. The curtain-type movie curtain structure as claimed in claim 1, wherein: the interior of the mounting rack (1) is of a hollow structure, and the driving assembly and the stretching assembly are both located in the inner cavity of the mounting rack (1).

3. The curtain-type movie curtain structure as claimed in claim 2, wherein: drive assembly includes motor (5), rotary rod (6), first bevel gear (7), threaded rod (8), guide bar (9) and second bevel gear (10), motor (5) fixed mounting is in one side of mounting bracket (1), the upper and lower both ends of motor (5) are equipped with rotary rod (6) rather than output fixed connection respectively, just the one end of keeping away from motor (5) in rotary rod (6) is equipped with rather than fixed connection's first bevel gear (7), be equipped with on first bevel gear (7) rather than engaged with second bevel gear (10), second bevel gear (10) and threaded rod (8) fixed connection, just the both ends of threaded rod (8) rotate with the inner chamber of mounting bracket (1) respectively and are connected, the both sides of threaded rod (8) are equipped with guide bar (9) with mounting bracket (1) inner chamber fixed connection respectively.

4. The curtain-type movie curtain structure as claimed in claim 3, wherein: the extension component comprises a fixed block (11), a moving block (12), a nut seat (13), a first connecting rod (14) and a second connecting rod (15), the threaded rod (8), the fixed block (11) and the nut seat (13) are respectively provided with two threaded rods, the fixed block (11) is rotationally connected with the threaded rod (8) through a bearing, two sides of the fixed block (11) are fixedly connected with the guide rod (9), the nut seat (13) is connected with the threaded rod (8) through threads, and both sides of the nut seat (13) are movably connected with the guide rod (9), a plurality of moving blocks (12) which are uniformly distributed are arranged between a fixed block (11) on a threaded rod (8) at the upper end of the motor (5) and a nut seat (13), and the moving block (12) is connected with the threaded rod (8) and the guide rod (9) in a sliding way, a second connecting rod (15) which is rotationally connected with the moving block (12) is arranged at the right upper end of the moving block, the fixed block (11) and the nut seat (13) are respectively provided with a first connecting rod (14), and one end of a first connecting rod (14) on the fixed block (11) and the nut seat (13) is hinged with the fixed block (11) and the nut seat (13) respectively, and the other end of the first connecting rod is hinged with one end of a second connecting rod (15) adjacent to the first connecting rod (14).

5. The curtain-type movie curtain structure as claimed in claim 4, wherein: one ends of two adjacent second connecting rods (15) are in contact and hinged, and the angle formed by the hinged contact ends of the two adjacent second connecting rods (15) is not a straight angle.

6. The curtain-type movie curtain structure as claimed in claim 4, wherein: elongated grooves (16) are formed in the upper side and the lower side of the outer side of the mounting frame (1), hooks (17) are arranged on one sides, close to the elongated grooves (16), of the moving block (12), the fixed block (11) and the nut seat (13), and the fixed block (11) on the threaded rod (8) at the lower end of the motor (5) and the hooks (17) on the nut seat (13) are respectively in rotating connection with the fixed block, the fixed block and the nut seat.