CN219609430U - Curtain surface transverse tightening mechanism for ground lifting curtain - Google Patents
Curtain surface transverse tightening mechanism for ground lifting curtain Download PDFInfo
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- CN219609430U CN219609430U CN202320589948.XU CN202320589948U CN219609430U CN 219609430 U CN219609430 U CN 219609430U CN 202320589948 U CN202320589948 U CN 202320589948U CN 219609430 U CN219609430 U CN 219609430U
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Abstract
The utility model relates to the technical field of ground-lifting projection curtains, in particular to a curtain surface 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 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, the first pull wire and the second pull wire can respectively penetrate through the first pull ring group and the second pull ring group and are connected with a pull wire tightening device arranged on the lower side of the upper cover, and the pull wire tightening device can provide tightening tension for the first pull wire and the second pull wire. This scheme not only simple structure, transversely tighten effectual to the projection curtain, can not cause the damage to projection arrangement moreover, can regard as function accessory 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 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 in the prior art, and provides a curtain surface 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, and the projection imaging effect is affected.
The above purpose is realized by the following technical scheme:
the curtain surface transverse tightening mechanism for the ground lifting 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 released 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, the first pull wire and the second pull wire can respectively penetrate through the first pull ring group and the second pull ring group and are connected with a pull wire tightening device arranged on the lower side of the upper cover, and the pull wire tightening device can provide tightening tension for the first pull wire and the second pull wire.
Further, the traction wire tightening device comprises a supporting tube, a tension spring is arranged in the supporting tube, the first clamping end cover and the second clamping end cover are arranged at two ends of the supporting tube to be sealed, traction wire through holes through which the first traction wire and the second traction wire penetrate are respectively formed in the first clamping end cover and the second clamping end cover, and the first traction wire and the second traction wire penetrate through the traction wire through holes respectively and then are connected with two ends of the tension spring.
Further, at least 2 screw holes for connecting with the lower side of the upper cover are formed in the upper end of the support tube.
Further, the first clamping end cover and the second clamping end cover have the same specification and respectively comprise an outer sleeve and an inner sleeve which are sleeved with each other, and a clamping groove for clamping the end wall of the support tube is formed between the outer sleeve and the inner sleeve.
Further, the length of the inner sleeve is greater than the length of the outer sleeve.
Further, the supporting tube is a square tube, and the clamping groove is a square clamping groove.
Further, the supporting tube is a round tube, and the clamping groove is a round clamping groove.
Further, the lower sides of the first clamping end cover and the second clamping end cover are provided with T-shaped clamping grooves with the same specification, and the T-shaped clamping grooves are used for clamping the traction wheel device.
Further, the traction wheel device comprises an L-shaped clamping plate which can be matched with the T-shaped clamping groove, a roller bracket is connected to the vertical edge of the L-shaped clamping plate, and a roller is movably connected with the roller bracket through a rotating shaft; the roller is used for pulling the first traction wire or the second traction wire into the supporting tube and is connected with the tension spring.
Further, the roller is a single track roller.
Advantageous effects
According to the curtain surface transverse tightening mechanism for the ground lifting curtain, the traction wires are respectively arranged on the 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 are synchronously released with the projection curtain in the process of unfolding the projection curtain, and when the projection curtain reaches the highest point of unfolding the projection curtain, the traction wires are tightened on the two sides of the projection curtain by means of the tension springs in the traction wire tightening devices. This scheme not only simple structure, transversely tighten effectual to projection curtain, can not lead to the fact the damage to projection arrangement or projection curtain moreover, can regard as function fitting and traditional projection curtain combination to use, increase the tight effect of projection curtain, bring better impression experience for the viewer.
Drawings
FIG. 1 is a view showing a state of use of a curtain face transverse tightening mechanism for a floor lift according to the present utility model;
FIG. 2 is a schematic view of a curtain side tensioning mechanism for a floor lift in connection with a curtain reel according to the present utility model;
FIG. 3 is a schematic view of a screen roller with traction wheel assembly for a screen surface lateral tightening mechanism for a screen of a floor lift according to the present utility model;
FIG. 4 is a cross-sectional view of a curtain face lateral tightening mechanism for an earth-lifting curtain according to the present utility model;
FIG. 5 is a schematic view of a transverse curtain tensioning mechanism for a floor lift according to the present utility model;
FIG. 6 is a schematic view of a clamping end cap structure of a curtain face transverse tightening mechanism for a floor lift curtain according to the present utility model;
fig. 7 is a cross-sectional view of a clamping end cap of a curtain face transverse tightening mechanism for an earth lifting curtain according to the present utility model.
The graphic indicia:
the curtain winding 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-box body, a 10-supporting tube, an 11-tension spring, a 12-first clamping end cover, a 13-second clamping end cover, a 14-traction wire through hole, a 15-screw hole, a 16-outer sleeve, a 17-inner sleeve, a 18-clamping groove, a 19-T-shaped clamping groove, a 20-traction wheel device, a 21-L-shaped clamping plate, a 22-roller bracket, a 23-roller, a 24-folding lifting rod and a 25-rotating shaft.
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, the structure of the conventional electromotive curtain is partially shown, and mainly includes a case 9 placed on the ground for accommodating a folding lifter 24, 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 transversely tighten mechanism of curtain face for rising 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 second haulage line 3 accessible curtain take-up shaft 1 carries out the rolling or releases, and the bottom of first haulage line 2 and second haulage line 3 promptly with curtain take-up shaft 1 is connected.
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 2 and the second traction wire 3 can respectively penetrate through the first pull ring set 5 and the second pull ring set 6 and are connected with a traction wire tightening device 8 arranged on the lower side of the upper cover 7, and the traction wire tightening device 8 can provide vertical tightening tension for the first traction wire 2 and the second traction wire 3.
As shown in fig. 4 and 5, the traction wire tightening device 8 includes a supporting tube 10, which may be understood as a cross beam, a tension spring 11 is disposed in the supporting tube 10, and is sealed by a first clamping end cover 12 and a second clamping end cover 13 disposed at two ends of the supporting tube 10, traction wire through holes 14 through which the first traction wire 2 and the second traction wire 3 can pass are respectively formed in the first clamping end cover 12 and the second clamping end cover 13, and the first traction wire 2 and the second traction wire 3 respectively pass through the traction wire through holes 14 and then are connected with two ends of the tension spring 11. The tension spring 11 is mainly used for providing an upward tension to the first traction wire 2 and the second traction wire 3, and in this embodiment, the higher the deployment height of the projection curtain 4 is, the larger the lateral tension that can be provided is, and the longer the tension spring 11 is pulled.
The upper end of the support tube 10 in this embodiment is provided with at least 2 screw holes 15 for connection with the underside of the upper cover 7.
As shown in fig. 6 and 7, in this embodiment, the first clamping end cap 12 and the second clamping end cap 13 have the same specification, and each of them includes an outer sleeve 16 and an inner sleeve 17 that are sleeved with each other, and a clamping groove 18 for clamping an end wall of the support tube 10 is formed between the outer sleeve 16 and the inner sleeve 17.
As an optimization of the clamping end cap, the length of the inner sleeve 17 is longer than that of the outer sleeve 16, so that the end of the support tube 10 can be better connected, and loosening is not easy.
The support tube 10 in this embodiment has 2 structural forms:
structure one the support pipe 10 is a square pipe, and the corresponding clamping groove 18 is a square clamping groove.
Structure one the support tube 10 is a circular tube, and the corresponding clamping groove 18 is a circular clamping groove.
As shown in fig. 5 and 6, as a further optimization of the present solution, T-shaped clamping grooves 19 with the same specification are formed on the lower sides of the first clamping end cover 12 and the second clamping end cover 13, and the T-shaped clamping grooves 19 are used for clamping the traction wheel device 20.
Specifically, the traction wheel device 20 includes an L-shaped clamping plate 21 that can be matched with the T-shaped clamping groove 19, a roller bracket 22 is connected to a vertical edge of the L-shaped clamping plate 21, and a roller 23 is movably connected with the roller bracket 22 through a rotating shaft 25; the roller 23 serves to better pull the first traction wire 2 or the second traction wire 3 into the support tube 10, which is connected to the tension spring 11.
The roller 23 in this embodiment is a single track roller.
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 (10)
1. The curtain surface 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, the first pull wire and the second pull wire can respectively penetrate through the first pull ring group and the second pull ring group and are connected with a pull wire tightening device arranged on the lower side of the upper cover, and the pull wire tightening device can provide tightening tension for the first pull wire and the second pull wire.
2. The curtain surface transverse tightening mechanism for a floor lifting curtain according to claim 1, wherein the traction wire tightening device comprises a supporting tube, a tension spring is arranged in the supporting tube and is sealed through a first clamping end cover and a second clamping end cover which are arranged at two ends of the supporting tube, traction wire through holes through which the first traction wire and the second traction wire can penetrate are respectively formed in the first clamping end cover and the second clamping end cover, and the first traction wire and the second traction wire are connected with two ends of the tension spring after penetrating through the traction wire through holes respectively.
3. The screen surface transverse tightening mechanism for a floor lift screen according to claim 2, wherein the upper end of the support tube is provided with at least 2 screw holes for connection with the underside of the upper cover.
4. The curtain surface transverse tightening mechanism for a floor lifting curtain according to claim 2, wherein the first clamping end cover and the second clamping end cover have the same specification and comprise an outer sleeve and an inner sleeve which are sleeved with each other, and a clamping groove for clamping the end wall of the supporting tube is formed between the outer sleeve and the inner sleeve.
5. The screen surface tension mechanism for a floor lift screen of claim 4, wherein the inner sleeve has a length greater than a length of the outer sleeve.
6. The screen surface transverse tightening mechanism for a floor lift screen of claim 4, wherein the support tube is a square tube and the clamping groove is a square clamping groove.
7. The screen surface transverse tightening mechanism for a floor lift screen of claim 4, wherein the support tube is a circular tube and the corresponding slot is a circular slot.
8. The curtain surface transverse tightening mechanism for a floor lifting curtain according to claim 2, wherein the lower sides of the first clamping end cover and the second clamping end cover are respectively provided with a T-shaped clamping groove with the same specification, and the T-shaped clamping grooves are used for clamping the traction wheel device.
9. The curtain surface transverse tightening mechanism for a floor elevation curtain according to claim 8, wherein the traction wheel device comprises an L-shaped clamping plate which can be matched with the T-shaped clamping groove, a roller bracket is connected to the vertical edge of the L-shaped clamping plate, and a roller is movably connected with the roller bracket through a rotating shaft; the roller is used for pulling the first traction wire or the second traction wire into the supporting tube and is connected with the tension spring.
10. The screen surface tension mechanism for a floor lift screen of claim 9, wherein the roller is a single track roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320589948.XU CN219609430U (en) | 2023-03-23 | 2023-03-23 | Curtain surface transverse tightening mechanism for ground lifting curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320589948.XU CN219609430U (en) | 2023-03-23 | 2023-03-23 | Curtain surface transverse tightening mechanism for ground lifting curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219609430U true CN219609430U (en) | 2023-08-29 |
Family
ID=87743946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320589948.XU Active CN219609430U (en) | 2023-03-23 | 2023-03-23 | Curtain surface transverse tightening mechanism for ground lifting curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219609430U (en) |
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2023
- 2023-03-23 CN CN202320589948.XU patent/CN219609430U/en active Active
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