CN213023925U

CN213023925U - Projection hard curtain capable of improving space utilization

Info

Publication number: CN213023925U
Application number: CN202022268021.5U
Authority: CN
Inventors: 许亭和
Original assignee: Nanjing Merlot Television Technology Co ltd
Current assignee: Nanjing Merlot Television Technology Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-04-20
Anticipated expiration: 2030-10-13

Abstract

The utility model belongs to the technical field of projection hard curtain, in particular to a projection hard curtain capable of improving space utilization, which can not be folded and stored based on the traditional projection screen and can influence the daily transportation and transportation, so we propose the following proposal, comprising a first folding screen, wherein the first folding screen is rotationally connected with one side of a main screen, the other side of the main screen is rotationally provided with a second folding screen, rotating shafts are fixedly arranged on the first folding screen and the second folding screen, both ends of the rotating shafts extend out of the main screen, the rotating shafts are arranged on both sides of the main screen, both ends of the rotating shafts are movably sleeved with movable sleeves, a driving wheel is movably sleeved on any rotating shaft, a pillar and an L-shaped rod are vertically and fixedly arranged on the bottom end of the first folding screen, and a first bevel gear is rotationally arranged on the pillar, the utility model solves the problem that the screen can not be folded and stored in the prior art, meanwhile, the unfolded screen can be clamped, so that the occupied volume is greatly reduced, and people can conveniently store and convey the screen.

Description

Projection hard curtain capable of improving space utilization

Technical Field

The utility model relates to a projection hard curtain technical field especially relates to a can improve projection hard curtain of space utilization.

Background

Based on traditional projection screen can not fold and accomodate, can influence our transport and transportation in daily, chinese patent that publication number is CN207731070U discloses a projection screen of anti ambient light, including first projection screen and recess, the place ahead of first projection screen is provided with the extension board, and the left side of first projection screen, right side and upper end all are connected with the axis of rotation, the left end of axis of rotation is provided with first light screen, and installs first LED lamp on the first light screen, the right-hand member of axis of rotation is provided with the second light screen, and installs second LED lamp on the second light screen, the upper end of axis of rotation is provided with the third light screen, and installs the third LED lamp on the third light screen, the back of first projection screen is provided with the second projection screen, and the outside arrangement of first projection screen and second projection screen has the spout. This projection screen of anti ambient light can provide stable luminance when hiding external environment light, and the power of the light of LED lamp is controllable, and the power of controlling light according to the user demand that like this can be fine, and the practicality is stronger.

Although the device solves the problem of light interference of the projection screen, the projection screen is large in size and heavy in weight, and therefore the projection screen is difficult to transport.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the projection screen can not be folded and stored in the prior art, which can affect the transportation of people in daily life and the defect of transportation, and providing a projection hard curtain capable of improving the space utilization.

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

a projection hard curtain capable of improving space utilization comprises a first folding screen, wherein the first folding screen is rotatably connected with one side of a main screen, a second folding screen is rotatably installed on the other side of the main screen, rotating shafts are fixedly installed on the first folding screen and the second folding screen, two ends of each rotating shaft extend out of the main screen, the rotating shafts are located on two sides of the main screen, two ends of each rotating shaft are movably sleeved with a movable sleeve, a driving wheel is movably sleeved on any rotating shaft, a supporting column and an L-shaped rod are vertically and fixedly installed on the bottom end of the first folding screen, a first bevel gear is rotatably installed on the supporting column, a second bevel gear is rotatably installed on the L-shaped rod, one end of a second driving belt is movably sleeved on the second bevel gear, a driven wheel is movably sleeved on the other end of the second driving belt, the driven wheel is rotatably installed on one side of the first folding screen, the driven wheel is horizontally sleeved with a rotating, two movable sleeves on the same vertical surface are fixedly provided with the same U-shaped rod, and a fixed sleeve is fixedly arranged on one U-shaped rod close to the driven wheel.

Preferably, one end, close to each other, of each of the two rotating shafts on the same horizontal plane is fixedly provided with a clamping rod and a connecting rod respectively, one end of each clamping rod is fixedly provided with a circular clamping block, one end of each connecting rod is provided with a notch, and the circular clamping blocks are clamped in the notches.

Preferably, one end of a first transmission belt is horizontally and movably sleeved on the transmission wheel, a first bevel gear is movably sleeved at the other end of the first transmission belt, and the first bevel gear is meshed with the second bevel gear.

Preferably, the rotary column is movably sleeved with a screw rod guide sleeve, a fixing sleeve is movably sleeved on the screw rod guide sleeve, a screw rod is sleeved on the screw rod guide sleeve in a threaded manner, and the screw rod is slidably mounted on the first folding screen through a slide rod.

Preferably, a wood block is fixedly mounted at the middle end of the other U-shaped rod, a notch is formed in the wood block, and the notch is matched with the screw rod.

The utility model discloses in, a can improve the beneficial effect of the hard curtain of projection that the space utilized:

the utility model discloses can fold two sets of folding screens around the main screen in the use, reduce occupation space and volume, simultaneously, after folding the completion, the lead screw passes through the effect joint of lead screw guide pin bushing on the breach of billet, prevents to expand automatically, and two sets of circular joint piece joints on the in-process movable sleeve that expand again simultaneously prevent that the folding screen from removing, and the effectual expansion of having guaranteed the folding screen is not influenced with accomodating, has improved the practicality greatly.

The utility model provides an among the prior art screen can not fold and accomodate, can also reduce the volume that occupies greatly to the screen joint after expanding simultaneously, make things convenient for us to accomodate and carry.

Drawings

Fig. 1 is a schematic structural view of a projection hard curtain capable of improving space utilization according to the present invention;

fig. 2 is a schematic view of a part a of a projection hard curtain structure for improving space utilization according to the present invention;

fig. 3 is a schematic structural diagram of a part B of a projection hard curtain capable of improving space utilization according to the present invention.

In the figure: the device comprises a first folding screen 1, a second folding screen 2, a rotating shaft 3, a movable sleeve 4, a clamping rod 5, a circular clamping block 6, a connecting rod 7, a driving wheel 8, a first driving belt 9, a first bevel gear 10, a second bevel gear 11, a second driving belt 12, a support column 13, a 14L-shaped rod 15, a driven wheel 15, a rotating column 16, a lead screw guide sleeve 17, a fixed sleeve 18, a 19U-shaped rod 20, a wood block 21 and a main screen 22.

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.

Referring to fig. 1-3, a projection hard curtain capable of improving space utilization includes a first folding screen 1, the first folding screen 1 is rotatably connected to one side of a main screen 22, a second folding screen 2 is rotatably installed on the other side of the main screen 22, a rotating shaft 3 is fixedly installed on the first folding screen 1 and the second folding screen 2, both ends of the rotating shaft 3 extend out of the main screen 22, the rotating shaft 3 is located on both sides of the main screen 22, both ends of the rotating shaft 3 are movably sleeved with a movable sleeve 4, a driving wheel 8 is movably sleeved on any rotating shaft 3, a pillar 13 and an L-shaped rod 14 are vertically and fixedly installed on the bottom end of the first folding screen 1, a first bevel gear 10 is rotatably installed on the pillar 13, a second bevel gear 11 is rotatably installed on the L-shaped rod 14, one end of a second driving belt 12 is movably sleeved on the second bevel gear 11, a driven wheel 15 is movably sleeved on the other end of the second driving belt 12, the driven wheel 15 is rotatably mounted on one side of the first folding screen 1, the driven wheel 15 is horizontally sleeved with a rotating column 16, two movable sleeves 4 on the same vertical surface are fixedly provided with the same U-shaped rod 19, and a fixed sleeve 18 is fixedly mounted on one U-shaped rod 19 close to the driven wheel 15.

The utility model discloses in, the one end that two pivot 3 that lie in on the same horizontal plane are close to each other is fixed mounting respectively has joint pole 5 and connecting rod 7, and the one end fixed mounting of joint pole 5 has circular joint piece 6, and connecting rod 7 serves and opens jaggedly, and circular joint piece 6 joint is in the breach, and the device's primary function is two folding screens of fixing through the breach of circular joint piece 6 joint on connecting rod 7, prevents to expand the back external factor and leads to the folding screen to rotate.

The utility model discloses in, the one end of first drive belt 9 has been cup jointed in the activity of going up the level of drive wheel 8, and first bevel gear 10 has been cup jointed in the other end activity of first drive belt 9, and first bevel gear 10 meshes with second bevel gear 11 mutually, and the device's primary function is that the intermeshing through a pair of bevel gear changes the direction of rotation and realizes providing power for follow-up device.

The utility model discloses in, 16 activities of rotary column have cup jointed lead screw guide pin bushing 17, and fixed cover 18, the activity cup joints at lead screw guide pin bushing 17, and lead screw 21 has been cup jointed to lead screw guide pin bushing 17 screw, and lead screw 21 passes through slide bar slidable mounting on first folding screen 1, and the device's primary function is that the device drives lead screw guide pin bushing 17 and rotates when accomodating, and lead screw guide pin bushing 17 rotates and drives lead screw 21 and remove.

The utility model discloses in, the middle-end fixed mounting on another U type pole 19 has billet 20, and it has the breach to open on the billet 20, breach and lead screw 21 looks adaptation, and the device's primary function is in the breach of billet 20 with the joint when lead screw 21 removes, guarantees can not expand, influences the transportation.

The utility model provides a theory of operation: when the foldable screen is stored, the first foldable screen 1 and the second foldable screen 2 are rotated, at this time, the connecting rod 7 and the clamping rod 5 which are close to each other on the movable sleeve 4 start to separate, the circular clamping block 6 is driven to fall off from the notch on the connecting rod 7, then the rotating shaft 3 rotates to drive the driving wheel 8 to rotate, the driving wheel 8 rotates to drive the first driving belt 9 to rotate, the first driving belt 9 rotates to drive the first bevel gear 10 to rotate, the first bevel gear 10 rotates to drive the second bevel gear 11 to rotate, the second bevel gear 11 rotates to drive the second driving belt 12 to rotate, the second driving belt 12 rotates to drive the driven wheel 15 to rotate, the driven wheel 15 rotates to drive the rotating column 16 to rotate, the rotating column 16 rotates to drive the screw rod guide sleeve 17 to rotate, the screw rod guide sleeve 17 rotates to drive the screw rod 21 to move leftwards, after the storage is finished, the screw rod 21, when we unfold, the above steps are reversed, i.e. the unfolding is performed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A projection hard screen capable of improving space utilization comprises a first folding screen (1) and is characterized in that the first folding screen (1) is rotatably connected with one side of a main screen (22), the other side of the main screen (22) is rotatably provided with a second folding screen (2), rotating shafts (3) are fixedly arranged on the first folding screen (1) and the second folding screen (2), two ends of each rotating shaft (3) extend out of the main screen (22), the rotating shafts (3) are positioned on two sides of the main screen (22), two ends of each rotating shaft (3) are movably sleeved with a movable sleeve (4), a driving wheel (8) is movably sleeved on any rotating shaft (3), a strut (13) and an L-shaped rod (14) are vertically and fixedly arranged on the bottom end of the first folding screen (1), a first bevel gear (10) is rotatably arranged on the strut (13), and a second bevel gear (11) is rotatably arranged on the L-shaped rod (14), the one end of second drive belt (12) has been cup jointed in the activity on second bevel gear (11), and the other end activity of second drive belt (12) has been cup jointed from driving wheel (15), rotates from driving wheel (15) and installs on one side of first folding screen (1), it has changeing post (16) to cup joint from driving wheel (15) level, and two movable sleeve (4) fixed mounting on same vertical face have same U type pole (19), are close to fixed mounting on U type pole (19) of following driving wheel (15) and have fixed cover (18).

2. The projection hard curtain capable of improving the space utilization as claimed in claim 1, wherein one end of the two rotating shafts (3) located on the same horizontal plane close to each other is fixedly provided with a clamping rod (5) and a connecting rod (7), one end of the clamping rod (5) is fixedly provided with a circular clamping block (6), one end of the connecting rod (7) is provided with a notch, and the circular clamping block (6) is clamped in the notch.

3. The projection hard curtain capable of improving the space utilization according to the claim 1, wherein one end of the first transmission belt (9) is horizontally movably sleeved on the transmission wheel (8), the other end of the first transmission belt (9) is movably sleeved with a first bevel gear (10), and the first bevel gear (10) is engaged with the second bevel gear (11).

4. The projection hard screen capable of improving the space utilization as claimed in claim 1, wherein the rotary column (16) is movably sleeved with a screw guide sleeve (17), a fixed sleeve (18) is movably sleeved on the screw guide sleeve (17), a screw (21) is screwed on the screw guide sleeve (17), and the screw (21) is slidably mounted on the first folding screen (1) through a slide rod.

5. The projection hard curtain capable of improving the space utilization as claimed in claim 1, wherein a wood block (20) is fixedly mounted at the middle end of the other U-shaped rod (19), and a notch is formed in the wood block (20) and is matched with the screw rod (21).