CN219512507U - Curtain surface modular transverse tightening mechanism for ground lifting curtain - Google Patents
Curtain surface modular transverse tightening mechanism for ground lifting curtain Download PDFInfo
- Publication number
- CN219512507U CN219512507U CN202320589943.7U CN202320589943U CN219512507U CN 219512507 U CN219512507 U CN 219512507U CN 202320589943 U CN202320589943 U CN 202320589943U CN 219512507 U CN219512507 U CN 219512507U
- Authority
- CN
- China
- Prior art keywords
- tension spring
- curtain
- traction wire
- spring module
- projection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The utility model relates to the technical field of ground-lifting projection curtains, in particular to a curtain surface modular transverse tightening mechanism for a ground-lifting curtain, which comprises a first traction wire and a second traction wire which are arranged at two ends of a curtain winding shaft, wherein the first traction wire and the second traction wire can be wound or unwound through the curtain winding shaft; the first pull ring group and the second pull ring group are respectively arranged along two sides of the projection curtain, and the first traction wire and the second traction wire can respectively penetrate through the first pull ring group and the second pull ring group and are connected with the traction wire tightening device arranged on the lower side of the upper cover. This scheme not only simple structure, the crossbeam of accessible change different length or extension spring module adaptation different projection curtain's application demand, transversely tighten effectual to the projection curtain, can not cause the damage to projection arrangement or projection curtain moreover, can regard as function fitting and traditional projection curtain to use in combination, increase the tight effect of projection curtain, bring better impression experience for the viewer.
Description
Technical Field
The utility model relates to the technical field of ground-lifting projection curtains, in particular to a curtain surface modular transverse tightening mechanism for a ground-lifting curtain.
Background
The projection curtain is called a projection screen, and needs to be combined with a projector to achieve the purpose of projection display on a screen surface.
At present, the traditional electric curtain needs to be fixedly installed in a top area (such as a ceiling, a wall top and the like) at a certain position to be used normally, and once the electric curtain is fixed thoroughly, the electric curtain cannot be easily moved, and in addition, the traditional electric curtain needs to be damaged when being fixedly installed on a wall body, and professional installation tools also need to be used, and in order to ensure the use experience of the electric curtain, the installation position of the electric curtain needs to be repeatedly aligned in the installation process, and the whole installation process is labor-consuming.
Therefore, electric ground curtain is produced, it mainly includes the curtain storage box, the inboard of curtain storage box is provided with the bull stick and is used for driving the motor of bull stick, the outside winding of bull stick has the projection curtain, the top of projection curtain is fixed with the apron, the apron sets up in the top of curtain storage box, be provided with between curtain storage box and the apron and have elastic collapsible piece for support the apron, when motor drive bull stick release projection curtain, the pressure that acts on collapsible piece reduces, collapsible piece is realized raising the apron through opening the angle under the effect of self elasticity, so that the projection curtain is expanded.
The foldable piece which can be used for supporting the curtain comprises a second supporting rod and a first supporting rod which are distributed up and down and are mutually hinged; the foldable piece is provided with an elastic piece for unfolding the foldable piece; one end of the elastic piece is fixed on the inner side of the first supporting rod, and the other end of the elastic piece is fixedly connected with the second supporting rod; the elastic piece is arranged on the inner side of the first supporting rod, a traction piece is connected between the other end of the elastic piece and the second supporting rod, and one end of the traction piece is fixed on the inner side of the second supporting rod; the elastic piece is of a spring structure, and the traction piece is of a rope structure.
In the electric lifting curtain, the curtain is unfolded completely under the action of the foldable pieces (2 driving rods which can be mutually connected in a folding way) with elasticity, and in the process of unfolding the curtain, the motor drives the curtain reel to be unfolded, and the curtain drives the curtain to vertically and upwards move under the action of the restoring force of the foldable pieces; and in the process of winding the curtain, the motor drives the curtain reel to reversely rotate so as to force the curtain to descend and drive the foldable piece to fold.
The curtain device of this kind of structure has increased the convenience in the use, but because the expansion of projection curtain relies on the V-arrangement folded piece of mutual symmetry to support entirely, only can provide vertical pulling force, and lack necessary pulling force to the horizontal of curtain, this just results in can not letting the curtain reach the purpose of stretching tightly and expanding entirely, causes the curtain transversely to appear the loose condition even, seriously influences the imaging of projection.
Therefore, a technology is urgently needed to solve the above technical problems.
Disclosure of Invention
The utility model aims to solve the problems of the prior art, and provides a curtain surface modular transverse tightening mechanism for a ground lifting curtain, which is used for solving the technical problems that a traditional electric curtain can only provide longitudinal tension for a projection curtain and can not provide tension transversely on two sides of the curtain, so that the curtain is loose and can not be fully tightened to influence the projection imaging effect.
The above purpose is realized by the following technical scheme:
the curtain surface modular transverse tightening mechanism for the ground curtain comprises a first traction wire and a second traction wire which are arranged at two ends of a curtain winding shaft, wherein the first traction wire and the second traction wire can be wound or unwound through the curtain winding shaft; the projection curtain comprises a projection curtain body and is characterized in that a first pull ring group and a second pull ring group are respectively arranged along two sides of the projection curtain body, a first traction wire and a second traction wire can respectively penetrate through the first pull ring group and the second pull ring group and are connected with a traction wire tightening device arranged on the lower side of an upper cover, the traction wire tightening device comprises a first tension spring module and a second tension spring module which are arranged at two ends, and the first tension spring module and the second tension spring module can respectively provide tightening tension for the first traction wire and the second traction wire.
Further, the traction wire tightening device further comprises a cross beam, and two ends of the cross beam are respectively connected with the first tension spring module and the second tension spring module through connecting pieces.
Further, the connecting piece includes the connecting piece body, be used for with the first portion of connecing soon of crossbeam, and be used for with first extension spring module or the second portion of connecing soon of second extension spring module connection, corresponding, the both ends of crossbeam are provided with respectively can with the crossbeam portion of connecing soon of first portion of connecing soon connects, first extension spring module with be provided with respectively on the second extension spring module can with the extension spring module portion of connecing soon connects soon of second portion.
Further, the first tension spring module and the second tension spring module have the same specification and comprise tension spring sleeves and tension spring supporting rings arranged on the second screwing parts, and the tension spring supporting rings are connected with the connecting piece body; the tension spring sleeve can be mutually screwed through the tension spring module screwing part and the second screwing part, the other end of the tension spring sleeve is sealed through a tension spring end cover, and a wire hole through which the first traction wire or the second traction wire can penetrate is formed in the tension spring end cover.
Further, the tension spring is arranged in the tension spring sleeve, one end of the tension spring is connected with the tension spring supporting ring, and the other end of the tension spring is connected with the first traction wire or the second traction wire.
Further, the tension spring sleeve and the cross beam are round pipes or square pipes.
Further, at least 2 beam connectors are sleeved on the beam, and the beam connectors are used for connecting the beam with the upper cover.
Further, the beam connecting piece comprises a beam sleeve sleeved on the outer side wall of the beam and a connecting block with a screw hole, wherein the connecting block is vertically connected with the beam sleeve.
Advantageous effects
According to the curtain surface modular transverse tightening mechanism for the ground lifting curtain, the traction wires are respectively arranged on two sides of the projection curtain, one end of each traction wire is connected with the rotating shaft of the curtain, the other end of each traction wire is connected with the traction wire tightening device connected with the upper cover, the traction wires and the projection curtain are synchronously released in the process of unfolding the projection curtain, and when the projection curtain reaches the highest unfolding point of the projection curtain, the traction wires are tightly tightened on two sides of the projection curtain by means of the tension springs in the first tension spring module and the second tension spring module. This scheme not only simple structure, the crossbeam of accessible change different length or extension spring module adaptation different projection curtain's application demand, transversely tighten effectual to the projection curtain, can not cause the damage to projection arrangement or projection curtain moreover, can regard as function fitting and traditional projection curtain to use in combination, increase the tight effect of projection curtain, bring better impression experience for the viewer.
Drawings
FIG. 1 is a view showing a use state of a curtain face modular transverse tightening mechanism for a floor lift curtain according to the present utility model;
FIG. 2 is a schematic view of a modular curtain face tensioning mechanism for a floor lift curtain connected to a curtain spool according to the present utility model;
FIG. 3 is a schematic view of a modular curtain face tensioning mechanism for a floor lift curtain according to the present utility model;
FIG. 4 is a cross-sectional view of a modular curtain face tensioning mechanism for a floor lift curtain according to the present utility model;
fig. 5 is a schematic drawing of a tension spring module structure of a curtain surface module type transverse tightening mechanism for a floor lift curtain according to the present utility model;
FIG. 6 is a schematic view of a tension spring end cap for a modular curtain face tension mechanism for a floor lift curtain according to the present utility model;
fig. 7 is a schematic drawing of a tension spring structure of a curtain surface modular transverse tightening mechanism for a floor lift curtain according to the present utility model;
FIG. 8 is a schematic view of a cross beam connector for a modular curtain face tensioning mechanism for a floor lift curtain according to the present utility model;
fig. 9 is a schematic structural view of a connector of a modular transverse tightening mechanism for a screen surface of a floor lift.
The graphic indicia:
the device comprises a 1-curtain winding shaft, a 2-first traction wire, a 3-second traction wire, a 4-projection curtain, a 5-first pull ring set, a 6-second pull ring set, a 7-upper cover, an 8-traction wire tightening device, a 9-beam connecting piece, a 10-first tension spring module, a 11-second tension spring module, a 12-beam, a 13-connecting piece, a 14-tension spring sleeve, a 15-tension spring supporting ring, a 16-tension spring end cover, a 17-wire hole, a 18-connecting piece body, a 19-first rotating connection part, a 20-second rotating connection part, a 21-beam rotating connection part, a 22-tension spring module rotating connection part, a 23-beam sleeve, a 24-connecting piece, a 25-folding lifting rod, a 26-box body and a 27-tension spring.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. The described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 3, a structure of a conventional electromotive curtain is partially shown, which mainly includes a case 9 placed on the ground for accommodating a folding lifter 25, a curtain rotation shaft 1, a rotation shaft motor, a projection curtain 4, etc., and an upper cover 7 connected to the top of the projection curtain 4.
The utility model provides a horizontal tight mechanism of curtain face modular for climbing curtain, including setting up in the first haulage line 2 and the second haulage line 3 at curtain take-up shaft 1 both ends, first haulage line 2 with the 3 accessible of second haulage line take-up shaft 1 carries out the rolling or releases. I.e. the bottom ends of the first traction wire 2 and the second traction wire 3 are connected to the curtain winding shaft 1.
The first pull ring group 5 and the second pull ring group 6 are respectively arranged along two sides of the projection curtain 4, specifically, the first pull ring group 5 and the second pull ring group 6 provided in the embodiment are all wire buckles or wire loops with wire holes arranged on the side edge of the projection curtain 4 or the frame cloth of the projection curtain 4, and are mainly used for the first traction wire 2 and the second traction wire 3 to penetrate. When the projection curtain 4 is fully unfolded, the first traction wire 2 and the second traction wire 3 can provide lateral tension to the first pull-tab set 5 and the second pull-tab set 6 located at two sides of the projection curtain 4, respectively.
The first traction wire 1 and the second traction wire 2 may penetrate the first tab set 5 and the second tab set 6, respectively, and are connected to a traction wire tightening device 8 provided at a lower side of the upper cover 7.
Specifically, the traction wire tightening device 8 includes a first tension spring module 10 and a second tension spring module 11 disposed at two ends, and the first tension spring module 10 and the second tension spring module 11 can provide tightening tension to the first traction wire 2 and the second traction wire 3, respectively.
As shown in fig. 4 to 9, the traction wire tightening device 8 in this embodiment further includes a cross beam 12, and two ends of the cross beam 12 are respectively connected to the first tension spring module 10 and the second tension spring module 11 through a connecting member 13.
The connecting piece 13 includes a connecting piece body 18, a first screwing part 19 for screwing with the beam 12, and a second screwing part 20 for connecting with the first tension spring module 10 or the second tension spring module 11, correspondingly, two ends of the beam 12 are respectively provided with a beam screwing part 21 capable of matching with the first screwing part 19, and the first tension spring module 10 and the second tension spring module 11 are respectively provided with a tension spring module screwing part 22 capable of matching with the second screwing part 20.
As shown in fig. 4, 5 and 9, in this embodiment, the first tension spring module 10 and the second tension spring module 11 have the same specification, and each of them includes a tension spring sleeve 14 and a tension spring support ring 15 disposed on the second screwing portion 19, where the tension spring support ring 15 is connected with the connector body 18 to fix the tension spring 27; the tension spring sleeve 14 can be mutually screwed with the second screwing part 20 through the tension spring module screwing part 22, the other end of the tension spring sleeve 14 is sealed through the tension spring end cover 16, and the tension spring end cover 16 is provided with a wire hole 17 through which the first traction wire 2 or the second traction wire 2 can pass.
The tension spring 27 is arranged in the tension spring sleeve 14, one end of the tension spring 27 is connected with the tension spring supporting ring 15, the other end of the tension spring 27 is connected with the first traction wire 2 or the second traction wire 3, and a vertical tension force can be provided for the traction wires, and can act on the first pull ring set 5 and the second pull ring set 6 to transversely tighten the projection curtain 4.
In this embodiment, the tension spring sleeve 14 and the cross beam 12 are both round tubes or square tubes.
As shown in fig. 3 and 8, in order to facilitate the connection of the cross beam 12 to the upper cover 7, at least 2 cross beam connectors 9 are sleeved on the cross beam 12, and the cross beam connectors 9 are used for connecting the cross beam 12 to the upper cover 7.
Specifically, the beam connector 9 includes a beam sleeve 23 that can be sleeved on the outer side wall of the beam 12, and a connection block 24 with a screw hole that is vertically connected with the beam sleeve 23, so that the beam 12 can be quickly connected with the upper cover 7, and the conventional lifting curtain can be modified conveniently.
The above description is for the purpose of illustrating the embodiments of the present utility model and is not to be construed as limiting the utility model, but is intended to cover all modifications, equivalents, improvements and alternatives falling within the spirit and principle of the utility model.
Claims (8)
1. The curtain surface modular transverse tightening mechanism for the ground lifting curtain is characterized by comprising a first traction wire and a second traction wire which are arranged at two ends of a curtain winding shaft, wherein the first traction wire and the second traction wire can be wound or unwound through the curtain winding shaft; the projection curtain comprises a projection curtain body and is characterized in that a first pull ring group and a second pull ring group are respectively arranged along two sides of the projection curtain body, a first traction wire and a second traction wire can respectively penetrate through the first pull ring group and the second pull ring group and are connected with a traction wire tightening device arranged on the lower side of an upper cover, the traction wire tightening device comprises a first tension spring module and a second tension spring module which are arranged at two ends, and the first tension spring module and the second tension spring module can respectively provide tightening tension for the first traction wire and the second traction wire.
2. The screen surface modular type transverse tightening mechanism for a floor lift screen according to claim 1, wherein the traction wire tightening device further comprises a cross beam, and two ends of the cross beam are respectively connected with the first tension spring module and the second tension spring module through connecting pieces.
3. The curtain surface modular transverse tightening mechanism for a floor lift curtain according to claim 2, wherein the connecting piece comprises a connecting piece body, a first screwing part for screwing with the cross beam, and a second screwing part for connecting with the first tension spring module or the second tension spring module, corresponding cross beam screwing parts capable of being matched with the first screwing parts are respectively arranged at two ends of the cross beam, and tension spring module screwing parts capable of being matched with the second screwing parts are respectively arranged on the first tension spring module and the second tension spring module.
4. The curtain surface modular transverse tightening mechanism for a floor lift curtain of claim 3, wherein the first tension spring module and the second tension spring module are identical in specification, each comprising a tension spring sleeve and a tension spring support ring arranged at the second screwing part, the tension spring support ring being connected with the connector body; the tension spring sleeve can be mutually screwed through the tension spring module screwing part and the second screwing part, the other end of the tension spring sleeve is sealed through a tension spring end cover, and a wire hole through which the first traction wire or the second traction wire can penetrate is formed in the tension spring end cover.
5. The modular screen tensioning mechanism for a floor lift screen of claim 4, wherein the tension spring is disposed in the tension spring sleeve, one end of the tension spring is connected to the tension spring support ring, and the other end of the tension spring is connected to the first traction wire or the second traction wire.
6. The modular screen tensioning mechanism for a floor lift screen of claim 4, wherein the tension spring sleeve and the cross beam are both round or square tubes.
7. The curtain face modular transverse tightening mechanism for a floor lift curtain of claim 2, wherein at least 2 beam connectors are sleeved on the beam, the beam connectors being used to connect the beam with the upper cover.
8. The modular screen tensioning mechanism for a floor lift screen of claim 7, wherein the beam connector comprises a beam sleeve that is configured to fit over the outer side wall of the beam and a connector block with a threaded bore that is configured to connect vertically to the beam sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320589943.7U CN219512507U (en) | 2023-03-23 | 2023-03-23 | Curtain surface modular transverse tightening mechanism for ground lifting curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320589943.7U CN219512507U (en) | 2023-03-23 | 2023-03-23 | Curtain surface modular transverse tightening mechanism for ground lifting curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219512507U true CN219512507U (en) | 2023-08-11 |
Family
ID=87548550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320589943.7U Active CN219512507U (en) | 2023-03-23 | 2023-03-23 | Curtain surface modular transverse tightening mechanism for ground lifting curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219512507U (en) |
-
2023
- 2023-03-23 CN CN202320589943.7U patent/CN219512507U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5271446A (en) | Multi-purpose automatically rewindable sun-shade | |
| KR20140029102A (en) | A shade drive apparatus having the function in which the driving wheel can be returned | |
| US2048955A (en) | Crib appliance for vehicles | |
| US20110192549A1 (en) | Cord operated roman shade | |
| CN219512507U (en) | Curtain surface modular transverse tightening mechanism for ground lifting curtain | |
| US3025866A (en) | Fabric awning and stretcher therefor | |
| CN219609430U (en) | Curtain surface transverse tightening mechanism for ground lifting curtain | |
| CN211818487U (en) | Tent and covering or awning on a car, boat, etc. face device that props soon thereof | |
| KR200287319Y1 (en) | Hanging banner establishing structure | |
| CN109436287A (en) | A kind of gangway ladder door draw off gear and portable type aircraft | |
| JP7033345B1 (en) | Temporary enclosure curing device | |
| JP2000185556A (en) | Tent unit of telescoping roof | |
| JP2008007943A (en) | Stretching device and stretching method for tent sheet | |
| CN215769341U (en) | Hovering type ground curtain | |
| KR100991706B1 (en) | We are a signboard install | |
| KR200237756Y1 (en) | Placard A Rack System | |
| CN219645404U (en) | Quick dismounting mosquito net | |
| KR200254019Y1 (en) | Hanger for hanging banners | |
| CN108661936A (en) | A kind of fan lamp convenient for adjusting flabellum height | |
| CN218347295U (en) | Height-adjustable folding curtain | |
| CN215371731U (en) | Telescopic electronic gallows of projecting apparatus | |
| CN102661080B (en) | Multifunctional foldable tent | |
| CN219435209U (en) | Built-in electric drive locking mechanism for driving rod of ground lifting curtain | |
| CN221682640U (en) | Top cloth dismounting device | |
| DE374235C (en) | Rotatable boom for high voltage lines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |