CN215449873U

CN215449873U - Screen capable of adjusting tension flatness of screen

Info

Publication number: CN215449873U
Application number: CN202121344766.3U
Authority: CN
Inventors: 周孝俊; 成娥; 田金凤
Original assignee: Jiangsu Universal Star Film And Television Equipment Technology Co ltd
Current assignee: Jiangsu Universal Star Film And Television Equipment Technology Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-01-07
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a screen capable of adjusting the tension flatness of a curtain, which comprises two fixing frames, a top seat, a tension adjusting mechanism and a sealing fixing mechanism, wherein the top seat is fixedly arranged at the top ends of the two fixing frames, a cross beam is arranged between the two fixing frames, the tension adjusting mechanism is positioned in the top seat, the sealing fixing mechanism is positioned on the fixing frames, a winding shaft is arranged in the top seat, and the winding shaft is rotatably arranged in the top seat. According to the curtain, the tension adjusting mechanism is arranged, the transmission screw rod can be rotated by rotating the handle, so that the lifting sleeve can move upwards or downwards, the fixed cross rod can be driven by the pushing rod to move upwards or downwards, the supporting angle of the movable connecting rod can be changed, the position of the guide roller is changed, the tension can be adjusted, the tension of the curtain can be adjusted according to different requirements, and the flatness of the curtain can be guaranteed.

Description

Screen capable of adjusting tension flatness of screen

Technical Field

The utility model relates to the related technical field of screens, in particular to a screen capable of adjusting the tension flatness of the screen.

Background

The screen is a white screen for displaying projection during shadow discharge, most of the existing screens are composed of a screen and a frame, and when the screen is used, the screen needs to be unfolded on the frame so as to be conveniently used for projection.

When using, current screen when the screen expandes or the rolling, is not convenient for adjust the tension of curtain to lead to the curtain to take place the fold easily, make the roughness not high, and current curtain expandes the back, is not convenient for fix it, leads to when strong wind weather, the curtain takes place the slope easily or raises, influences the projection effect, needs improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a screen capable of adjusting the tension flatness of a screen so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a screen of adjustable curtain tension roughness, includes two mounts, footstock, tension adjustment mechanism and sealed fixed establishment, footstock fixed mounting is on two mount tops, two install the crossbeam between the mount, tension adjustment mechanism is located inside the footstock, sealed fixed establishment is located the mount, the inside rolling axle that is equipped with of footstock, the rolling axle rotates to be installed inside the footstock, footstock one side is equipped with driving motor, rolling axle one end and driving motor's output shaft, the epaxial winding of rolling is equipped with the curtain.

As further preferable in the present technical solution: tension adjustment mechanism includes the deflector roll, the deflector roll rotates to be installed in rolling axle below one side, the equal swing joint in deflector roll both ends has swing joint pole, two be connected with fixed horizontal pole between the swing joint pole, and two swing joint pole one end all with the inside lateral wall swing joint of footstock.

As further preferable in the present technical solution: the inside transmission lead screw that installs that rotates of footstock, be equipped with screw-nut on the transmission lead screw, fixed cover is equipped with lifting sleeve on the screw-nut, transmission lead screw one end extends to the footstock outside and fixedly connected with handle.

As further preferable in the present technical solution: the middle part of the fixed cross rod is movably connected with a pushing rod, and one end of the pushing rod extends to the bottom end of the lifting sleeve and is movably connected with the lifting sleeve.

As further preferable in the present technical solution: sealed fixed establishment includes the spout and aerifys the inflation gasbag strip, the spout is seted up on the mount lateral wall, aerify the inflation gasbag strip and install on the inside both sides wall of spout, it is equipped with anti-skidding line to aerify inflation gasbag strip surface, and aerifys inflation gasbag strip and curtain surface contact.

As further preferable in the present technical solution: the inflatable air bag device is characterized in that an inflatable air pump is arranged on one side wall of each fixing frame, one side of the inflatable air pump is connected with an air pipe, and one end of the air pipe penetrates through the cross beam and is respectively communicated with the interiors of inflatable air bag strips on the two fixing frames.

As further preferable in the present technical solution: curtain one end is through the deflector roll and extend to the footstock outside, and the curtain extends to the outside one end fixedly connected with counterweight rod of footstock, the counterweight rod both ends are located inside the spout on two mounts.

The utility model provides a screen capable of adjusting the tension flatness of a curtain, which has the following beneficial effects:

(1) according to the curtain, the tension adjusting mechanism is arranged, when the curtain is rolled or extended, the transmission screw rod can be rotated by rotating the handle, so that the lifting sleeve can move upwards or downwards, the fixed cross rod can be driven to move upwards or downwards by the pushing rod, the supporting angle of the movable connecting rod can be changed, the position of the guide roller is changed, the tension can be adjusted, the tension of the curtain can be adjusted according to different requirements, the curtain is guaranteed to be smooth and flexible, and the curtain is convenient to use.

(2) According to the curtain, the sealing and fixing mechanism is arranged, when the curtain is unfolded, the balance weight rod can horizontally move downwards, the two sides of the curtain are located in the sliding groove, after the curtain is unfolded, the air inflation and extraction pump can be started to perform air inflation work, air can be respectively conveyed into the plurality of air inflation and expansion air bag strips through the air conveying pipe, the air inflation and expansion air bag strips are made to perform extrusion and fixing work on the curtain located in the sliding groove in an expanded mode, the curtain is prevented from being raised in windy weather, the curtain is guaranteed to be high in flatness, the fixing mode is simple, the stability is good, and the curtain is convenient to use.

Drawings

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

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

FIG. 3 is a schematic view of the internal structure of the top seat of the present invention;

FIG. 4 is a schematic view of the fixing frame of the present invention;

fig. 5 is a top view of the guide roller of the present invention.

In the figure: 1. a fixed mount; 2. a top seat; 3. a handle; 4. a cross beam; 5. an air charging and pumping pump; 6. a gas delivery pipe; 7. a weight lever; 8. a curtain; 9. a drive motor; 10. a chute; 11. inflating and expanding the airbag strip; 12. a winding shaft; 13. a transmission screw rod; 14. a lifting sleeve; 15. a feed screw nut; 16. pushing the push rod; 17. a movable connecting rod; 18. fixing the cross bar; 19. a guide roller; 20. a tension adjusting mechanism; 21. and (5) a sealing and fixing mechanism.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 to 5, the present invention provides a technical solution: the utility model provides a screen of adjustable curtain tension roughness, including two mounts 1, footstock 2, tension adjustment mechanism 20 and sealed fixed

establishment

21, 2 fixed mounting on two 1 tops of mount, install crossbeam 4 between two mounts 1, tension adjustment mechanism 20 is located footstock 2 insidely, sealed fixed establishment 21 is located

mount

1, 2 inside rolling axle 12 that is equipped with of footstock, rolling axle 12 rotates and installs inside

footstock

2, 2 one side of footstock is equipped with driving

motor

9, 12 one end of rolling axle and driving motor 9's output shaft, the winding is equipped with curtain 8 on rolling axle 12.

In this embodiment, specifically: tension adjustment mechanism 20 includes deflector roll 19, and deflector roll 19 rotates and installs in 12 below one side of rolling axle, and the equal swing joint in deflector roll 19 both ends has swing joint pole 17, is connected with fixed horizontal pole 18 between two swing joint poles 17, and two swing joint pole 17 one end all with the inside lateral wall swing joint of footstock 2, can utilize deflector roll 19 to conduct curtain 8 to can be through adjusting the position of deflector roll 19, realize the regulation to curtain 8 tension, the flexibility is good.

In this embodiment, specifically: the transmission lead screw 13 is installed in the inside rotation of footstock 2, be equipped with screw-nut 15 on the transmission lead screw 13, the fixed cover is equipped with lifting sleeve 14 on the screw-nut 15, transmission lead screw 13 one end extends to 2 outsides of footstock and fixedly connected with handles 3, can pass through turning handle 3, thereby make transmission lead screw 13 rotate, drive screw-nut 15 upwards or move down in the time of transmission lead screw 13 pivoted, thereby make lifting sleeve 14 upwards or move down in step.

In this embodiment, specifically: fixed horizontal pole 18 middle part swing joint has to support push rod 16, supports push rod 16 one end and extends to lifting sleeve 14 bottom and with lifting sleeve 14 swing joint, can be through adjusting lifting sleeve 14's position to the realization is to supporting the regulation of the angle to push rod 16, thereby adjusts the position of fixed horizontal pole 18, realizes the position control to swing joint pole 17 and deflector roll 19.

In this embodiment, specifically: sealed fixed establishment 21 includes spout 10 and aerifys inflation gasbag strip 11, spout 10 is seted up on 1 lateral wall of mount, it installs on the inside both sides wall of spout 10 to aerify inflation gasbag strip 11, it is equipped with anti-skidding line to aerify inflation gasbag strip 11 surface, and aerify inflation gasbag strip 11 and curtain 8 surface contact, can utilize and aerify inflation gasbag strip 11 inflation and press from both sides tight fixedly to the curtain 8 that lies in spout 10 inside, the setting of anti-skidding line simultaneously, can guarantee to press from both sides tight effectual, it is good to guarantee that fixed curtain 8's fixed effectual, guarantee that the roughness is high.

In this embodiment, specifically: be equipped with on 1 lateral wall of mount and fill aspiration pump 5, it is connected with gas-supply pipe 6 to fill aspiration pump 5 one side, 6 one end of gas-supply pipe run through crossbeam 4 and respectively with two mounts 1 on aerify inflation gasbag strip 11 inside intercommunication, when utilizing and fill aspiration pump 5 and aerify the during operation, can send into gas through gas-supply pipe 6 and aerify inflation gasbag strip 11 inside, thereby make and aerify inflation gasbag strip 11 inflation and press from both sides tight curtain 8, fix 8 sides of curtain, when not needing to fix, then utilize and fill aspiration pump 5 and bleed work, make and aerify 11 exhaust contractions of inflation gasbag strip, thereby be convenient for carry out the rolling to curtain 8.

In this embodiment, specifically: curtain 8 one end is through deflector roll 19 and extend to the footstock 2 outside, and curtain 8 extends to the outside one end fixedly connected with counterweight rod 7 of footstock 2, and inside counterweight rod 7 both ends were located the spout 10 on two mounts 1, when the rolling axle 12 unreeled the during operation, curtain 8 was under counterweight rod 7's action of gravity, was pulled downwards, was convenient for expand curtain 8 fast.

It should be noted that, when the screen with adjustable curtain tension flatness works, when the screen 8 needs to be unfolded, the driving motor 9 can be used to drive the winding shaft 12 to rotate for unwinding, at this time, the screen 8 is pulled downwards under the action of the gravity of the weight lever 7 to facilitate rapid unfolding of the screen 8, two ends of the weight lever 7 stably move downwards along the sliding groove 10 on the fixed frame 1, when the tension needs to be adjusted during unfolding, the driving lead screw 13 can be rotated by rotating the handle 3, the driving lead screw 13 drives the lead screw nut 15 to move upwards or downwards while rotating, so that the lifting sleeve 14 synchronously moves upwards or downwards, when the position of the lifting sleeve 14 changes, the supporting angle of the pushing rod 16 can be changed, so that the position of the fixed cross rod 18 can be adjusted, when the position of the fixed cross bar 18 changes, the fixed cross bar 18 synchronously drives the supporting angle of the movable connecting rod 17 to change, so that the position of the guide roller 19 changes, thereby realizing the tension adjustment, adjusting the tension of the curtain 8 according to different requirements, thereby ensuring the flatness of the curtain 8, having good flexibility and convenient use, when the curtain 8 is unfolded, the air can be sent into the inflatable air bag strip 11 through the air pipe 6 when the curtain 8 is inflated by using the inflating and extracting pump 5, thereby ensuring the inflatable air bag strip 11 to expand and clamp the curtain 8, fixing the side edge of the curtain 8, simultaneously ensuring the good clamping effect by the arrangement of the anti-skid grains, ensuring the good fixing effect of the fixed curtain 8, ensuring the high flatness, avoiding the phenomena of shaking and lifting of the curtain 8 under the condition of strong wind, when the fixing is not needed, then utilize and fill aspiration pump 5 and bleed work for aerify inflation gasbag strip 11 exhaust shrink, make and aerify inflation gasbag strip 11 and curtain 8 separation, thereby be convenient for carry out the rolling to curtain 8, the flexibility is good, convenient to use.

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

Claims

1. The utility model provides a screen of adjustable curtain tension roughness, its characterized in that, includes two mount (1), footstock (2), tension adjustment mechanism (20) and sealed fixed establishment (21), footstock (2) fixed mounting is on two mount (1) tops, two install crossbeam (4) between mount (1), tension adjustment mechanism (20) are located footstock (2) inside, sealed fixed establishment (21) are located mount (1), footstock (2) inside is equipped with rolling axle (12), rolling axle (12) rotate and install inside footstock (2), footstock (2) one side is equipped with driving motor (9), the output shaft of rolling axle (12) one end and driving motor (9), the winding is equipped with curtain (8) on rolling axle (12).

2. A screen as claimed in claim 1, wherein the screen has an adjustable curtain tension flatness, and further comprises: tension adjustment mechanism (20) include deflector roll (19), deflector roll (19) rotate and install in wind-up shaft (12) below one side, the equal swing joint in deflector roll (19) both ends has swing joint pole (17), two be connected with between swing joint pole (17) fixed horizontal pole (18), and two swing joint pole (17) one end all with footstock (2) inside a lateral wall swing joint.

3. A screen as claimed in claim 2, wherein the screen has an adjustable curtain tension flatness, and further comprises: the transmission screw rod (13) is installed in footstock (2) inside rotation, be equipped with screw-nut (15) on transmission screw rod (13), fixed cover is equipped with lifting sleeve (14) on screw-nut (15), transmission screw rod (13) one end extends to footstock (2) outside and fixedly connected with handle (3).

4. A screen as claimed in claim 3, wherein the screen has an adjustable curtain tension flatness, and further comprises: the middle part of the fixed cross rod (18) is movably connected with a pushing rod (16), and one end of the pushing rod (16) extends to the bottom end of the lifting sleeve (14) and is movably connected with the lifting sleeve (14).

5. A screen as claimed in claim 1, wherein the screen has an adjustable curtain tension flatness, and further comprises: sealed fixed establishment (21) include spout (10) and aerify inflation gasbag strip (11), spout (10) are seted up on mount (1) lateral wall, it installs on spout (10) inside both sides wall to aerify inflation gasbag strip (11), it is equipped with anti-skidding line to aerify inflation gasbag strip (11) surface, and aerifys inflation gasbag strip (11) and curtain (8) surface contact.

6. A screen as claimed in claim 5, wherein the screen has an adjustable curtain tension flatness, and further comprises: be equipped with on mount (1) a lateral wall and fill aspiration pump (5), it is connected with gas-supply pipe (6) to fill aspiration pump (5) one side, gas-supply pipe (6) one end run through crossbeam (4) and respectively with two mounts (1) on aerify inflation gasbag strip (11) inside intercommunication.

7. A screen as claimed in claim 1, wherein the screen has an adjustable curtain tension flatness, and further comprises: curtain (8) one end is through deflector roll (19) and extend to footstock (2) outside, and curtain (8) extend to footstock (2) outside one end fixedly connected with counterweight rod (7), inside counterweight rod (7) both ends were located spout (10) on two mounts (1).