CN212221865U

CN212221865U - Projection curtain production is with receiving curtain device

Info

Publication number: CN212221865U
Application number: CN202020806941.5U
Authority: CN
Inventors: 白莹莹; 王洛
Original assignee: Shanghai Modi Network Technology Co ltd
Current assignee: Shanghai Modi Network Technology Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-12-25
Anticipated expiration: 2030-05-15

Abstract

The utility model relates to a projection curtain production technical field discloses a projection curtain production is with receiving curtain device, including the bottom plate, the upper surface middle part of bottom plate is equipped with first backup pad, and the lower part of first backup pad is rotated and is connected the drive roller, the upper surface right side of bottom plate is equipped with driving motor, the first band pulley of driving motor's output shaft fixed connection, and second band pulley is connected through the belt to first band pulley, the front end of second band pulley fixed connection drive roller, the upper portion of first backup pad is equipped with winding roller and lower winding roller, and both ends are equipped with the gag lever post around the lower winding roller, and the middle part of lower winding roller is equipped with fixed tooth, go up the front and back both ends of winding roller be equipped with the spacing hole of gag lever post complex. The utility model is suitable for a projection curtain production is with receiving curtain device drives the rolling through setting up the drive roller to make whole rolling in-process, the translation rate of curtain is invariable, has guaranteed that the tension of curtain rolling is stable, effectually protects the curtain, prevents that the curtain from tearing.

Description

Projection curtain production is with receiving curtain device

Technical Field

The utility model relates to a projection curtain production technical field specifically is a projection curtain production is with receiving curtain device.

Background

Projection screens are tools used in movies, offices, home theaters, large conferences, etc. to display images and video files. And can be divided into various sizes. The curtain needs to carry out the operation of rolling to the curtain after production is accomplished, receives the curtain device.

Chinese patent (publication No. CN208394441U) discloses a curtain collecting device for curtain production, which comprises a base, the upper end external surface of base is fixed with the support, and the top external surface fixed mounting of support has the horizontal pole, the inside of horizontal pole is provided with the pivot, and the one end external surface fixed of pivot has the curtain collecting frame, the rectangular groove has been seted up to the surface of curtain collecting frame, and the internal surface in rectangular groove is provided with the fixed needle, the upper end fixed mounting of base has driving motor, and is fixed with first rim plate on driving motor's the output shaft, the other end external surface fixed of pivot has the second rim plate, and is provided with the elastic hold-in range between second rim plate and the first rim plate, the spout has been seted up to the inside of horizontal pole. The device can conveniently fix the border of curtain to can make the device can receive the tension of curtain in-process by automatically regulated, can also guarantee the compactness of being connected between hold-in range and the rim plate in the tension adjustment process, the practicality has, but the device's rolling mode leads to the angular velocity of curtain rolling the same, when the diameter grow when the curtain rolling, the tension of curtain can take place great change, consequently regard as coiling mechanism when not being fit for producing the curtain, consequently, need improve the device.

SUMMERY OF THE UTILITY MODEL

The utility model provides a projection curtain production is with receiving curtain device has solved the problem that proposes among the above-mentioned background art.

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

the utility model provides a projection curtain production is with receiving curtain device, includes the bottom plate, and the upper surface middle part of bottom plate is equipped with first backup pad, and the drive roller is connected in the rotation of the lower part of first backup pad, the upper surface right side of bottom plate is equipped with driving motor, the first band pulley of driving motor's output shaft fixed connection, and first band pulley passes through the belt and connects the second band pulley, the front end of second band pulley fixed connection drive roller, the upper portion of first backup pad is equipped with winding roller and lower winding roller, and both ends are equipped with the gag lever post around the lower winding roller, and the middle part of lower winding roller is equipped with fixed tooth, go up the front and back both ends of winding roller be equipped with the spacing hole.

As a preferred technical scheme of the utility model, the upper surface left side of bottom plate is equipped with the second backup pad, and the upper end of second backup pad is equipped with the second standing groove, the inside tension roller that is equipped with of second standing groove.

As a preferred technical scheme of the utility model, the upper end of first backup pad is equipped with first standing groove, and first standing groove is inside to be equipped with winding roller and winding roller down.

As a preferred technical scheme of the utility model, the upper end height of drive roller is higher than the bottom of first standing groove.

As the utility model discloses a preferred technical scheme, the lower surface middle part of going up the winding roller is equipped with and fixes the tooth complex groove of stepping down.

As an optimized technical scheme of the utility model, the lower surface of bottom plate is equipped with the slipmat.

The utility model discloses have following useful part:

the utility model is suitable for a projection curtain production is with receiving curtain device drives the rolling through setting up the drive roller to make whole rolling in-process, the translation rate of curtain is invariable, has guaranteed that the tension of curtain rolling is stable, effectually protects the curtain, prevents that the curtain from tearing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a screen collecting device for producing a projection screen.

Fig. 2 is a front view of a screen collecting device for producing a projection screen.

Fig. 3 is a perspective view of a screen collecting device for producing a projection screen, in which an upper winding roller and a lower winding roller are separated from each other.

Fig. 4 is a bottom view of fig. 3.

In the figure: 1. a base plate; 2. a first pulley; 3. a belt; 4. a drive motor; 5. a second pulley; 6. a drive roller; 7. a first support plate; 8. an upper winding roller; 9. a second support plate; 10. a tension roller; 11. a second placing groove; 12. a lower winding roller; 13. a limiting rod; 14. fixing teeth; 15. a limiting hole; 16. a yielding groove; 17. a first placing 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.

Example one

Referring to fig. 1-4, a curtain collecting device for producing a projection curtain comprises a bottom plate 1, a first supporting plate 7 is arranged in the middle of the upper surface of the bottom plate 1, a driving roller 6 is rotatably connected to the lower portion of the first supporting plate 7, a driving motor 4 is arranged on the right side of the upper surface of the bottom plate 1, an output shaft of the driving motor 4 is fixedly connected to a first pulley 2, the first pulley 2 is connected to a second pulley 5 through a belt 3, the second pulley 5 is fixedly connected to the front end of the driving roller 6, an upper winding roller 8 and a lower winding roller 12 are arranged on the upper portion of the first supporting plate 7, a first placing groove 17 is arranged on the upper end of the first supporting plate 7, an upper winding roller 8 and a lower winding roller 12 are arranged inside the first placing groove 17, the upper end of the driving roller 6 is higher than the bottom end of the first placing groove 17, a limiting rod 13 is arranged on the front end and the rear end of the lower, go up winding roller 8's lower surface middle part be equipped with fixed tooth 14 complex groove of stepping down 16, go up winding roller 8 around both ends be equipped with spacing hole 15 of gag lever post 13 complex, the upper surface left side of bottom plate 1 is equipped with second backup pad 9, the upper end of second backup pad 9 is equipped with second standing groove 11, the inside tension roller 10 that is equipped with of second standing groove 11.

Example two

The other contents of this embodiment are the same as those of the first embodiment, except that: and the lower surface of the bottom plate 1 is provided with an anti-skid pad. In order to place the device on a desktop, an operator can use the device conveniently, and the friction force between the device and the desktop is increased by arranging the non-slip mat, so that the device can be stably placed on the desktop.

In the implementation process of the utility model, the device is placed on a desktop, an upper winding roller 8 and a lower winding roller 12 are separated, the free end of the curtain is placed on a fixed tooth 14 of the lower winding roller 12, a limit hole 15 of the upper winding roller 8 is aligned with a limit rod 13 of the lower winding roller 12, so that the upper winding roller 8 and the lower winding roller 12 are combined together and placed in a first placing groove 17, the curtain is placed at the lower part of a tension roller 10, the tension roller 10 is placed in a second placing groove 11, a driving motor 4 is started at the moment, the driving motor 4 drives a driving roller 6 to rotate through a belt 3, the driving roller 6 drives the upper winding roller 8 and the lower winding roller 12 to synchronously rotate in the rotating process, so that the curtain is wound outside the upper winding roller 8 and the lower winding roller 12, so that the curtain is realized, a certain tension is kept when the curtain is wound, and the tension roller 10 is lifted up, the tension roller 10 moves up and down to realize the effect of stabilizing tension; the utility model is suitable for a projection curtain production is with receiving curtain device drives the rolling through setting up drive roller 6 to make whole rolling in-process, the translation rate of curtain is invariable, has guaranteed that the tension of curtain rolling is stable, effectually protects the curtain, prevents that the curtain from tearing.

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. A curtain collecting device for producing a projection curtain comprises a bottom plate (1), a first supporting plate (7) is arranged in the middle of the upper surface of the bottom plate (1), a driving roller (6) is rotatably connected to the lower portion of the first supporting plate (7), it is characterized in that the right side of the upper surface of the bottom plate (1) is provided with a driving motor (4), the output shaft of the driving motor (4) is fixedly connected with a first belt wheel (2), the first belt wheel (2) is connected with a second belt wheel (5) through a belt (3), the second belt wheel (5) is fixedly connected with the front end of a driving roller (6), an upper winding roller (8) and a lower winding roller (12) are arranged at the upper part of the first supporting plate (7), limiting rods (13) are arranged at the front end and the rear end of the lower winding roller (12), fixed teeth (14) are arranged in the middle of the lower winding roller (12), and the front end and the rear end of the upper winding roller (8) are provided with limiting holes (15) matched with the limiting rods (13).

2. The screen collecting device for producing the projection screen as claimed in claim 1, wherein a second supporting plate (9) is arranged on the left side of the upper surface of the bottom plate (1), a second placing groove (11) is arranged at the upper end of the second supporting plate (9), and a tension roller (10) is arranged inside the second placing groove (11).

3. A screen collecting device for producing projection screen according to claim 1 or 2, characterized in that the upper end of the first supporting plate (7) is provided with a first placing groove (17), and the first placing groove (17) is internally provided with an upper winding roller (8) and a lower winding roller (12).

4. A screen retracting device for producing a projection screen as claimed in claim 1, wherein the upper end of the driving roller (6) is higher than the bottom end of the first placing groove (17).

5. A screen retracting device for producing a projection screen as claimed in claim 1, wherein the middle of the lower surface of the upper winding roller (8) is provided with a relief groove (16) matched with the fixed teeth (14).

6. A screen retracting device for producing a projection screen as claimed in claim 1, wherein the lower surface of the base plate (1) is provided with a non-slip mat.