CN211318979U - Floor type electric lifting projection curtain - Google Patents
Floor type electric lifting projection curtain Download PDFInfo
- Publication number
- CN211318979U CN211318979U CN201922103594.XU CN201922103594U CN211318979U CN 211318979 U CN211318979 U CN 211318979U CN 201922103594 U CN201922103594 U CN 201922103594U CN 211318979 U CN211318979 U CN 211318979U
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- China
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- connecting rod
- curtain
- hinged
- cross beam
- pneumatic spring
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Abstract
The utility model discloses a floor-mounted electric liftable projection curtain, which relates to the technical field of electric projection curtains and comprises a shell, a curtain, a scroll mechanism and a lifting bracket; the scroll mechanism consists of a motor and a winding drum, and the lower end of the curtain is connected with the winding drum and wound on the winding drum; the curtain lifting support consists of a cross beam and four connecting rods, the cross beam and the shell form a hexagonal structure, and can be accommodated in the shell in a retracting state and can support a curtain in an unfolding state; the connecting rod and the cross beam are supported by a pneumatic spring, and the upper end of the curtain is fixed on the cross beam; the driving motor rotates forwards to wind the curtain, and the curtain pulls the lifting support to retract; the driving motor rotates reversely to release the curtain, and the lifting support realizes the complete unfolding of the curtain under the support of the pneumatic spring; the beneficial effects of the utility model are that realize the expansion of curtain and accomodate through the motor, the curtain has stronger stability when expanding, and the size is very little when accomodating, portable.
Description
Technical Field
The utility model belongs to the technical field of electronic projection curtain technique and specifically relates to an electronic liftable projection curtain of ground formula.
Background
Projection curtains are widely used in home entertainment, offices, large conferences and other occasions, and the existing curtains are usually fixed on a wall or fixedly installed at a high place in a hanging manner, and are folded or unfolded by using electric reels. The installation of projection curtain is more loaded down with trivial details like this, and it is necessary to develop a portable projection curtain, accomodates back size urine and removes and carry, and development back stable in structure, curtain are level and smooth.
Disclosure of Invention
An object of the utility model is to provide a portable projection curtain, it is less to accomodate the back size, uses on seat, can expand automatically, very stably and accomodate.
In order to achieve the purpose, the technical scheme of the utility model is that, a ground-based electric liftable projection curtain includes curtain, casing, spool mechanism, lifting support.
The casing is mainly used for accommodating the curtain and the lifting support when the curtain is wound, and the curtain is used as a base when being unfolded.
The winding drum mechanism comprises a motor and a winding drum, the winding drum is fixed inside the shell through a bearing, the winding drum can rotate in the shell, the motor is a tubular motor, the motor is installed inside the winding drum and is directly connected with the winding drum, and the winding drum can be driven to rotate forwards and backwards when the motor rotates forwards and backwards.
The lifting support comprises a cross beam and four connecting rods; the lower end of the first connecting rod is hinged with the shell, the upper end of the first connecting rod is hinged with the lower end of the second connecting rod, and the upper end of the second connecting rod is hinged with the cross beam; the lower end of the third connecting rod is hinged with the shell, the upper end of the third connecting rod is hinged with the lower end of the fourth connecting rod, and the upper end of the fourth connecting rod is hinged with the cross beam; the first connecting rod and the second connecting rod are respectively in a symmetrical structure with the third connecting rod and the fourth connecting rod; the cross beam and the four connecting rods can be accommodated in the shell in a retracting state; when the foldable cabinet is unfolded, the four connecting rods, the cross beams and the shell form a hexagonal structure, and the cross beams are in a horizontal state.
A first pneumatic spring is arranged between the shell and the first connecting rod, two ends of the first pneumatic spring are respectively hinged with the shell and the first connecting rod, and the first pneumatic spring drives the first connecting rod and the shell to rotate; a second pneumatic spring is arranged between the first connecting rod and the second connecting rod, two ends of the second pneumatic spring are respectively hinged with the first connecting rod and the second connecting rod, and the second pneumatic spring drives the first connecting rod and the second connecting rod to rotate; and a third pneumatic spring is arranged between the second connecting rod and the cross beam, two ends of the third pneumatic spring are respectively hinged with the second connecting rod and the cross beam, and the third pneumatic spring drives the second connecting rod and the cross beam to rotate.
Similarly, a fourth pneumatic spring is arranged between the shell and the third connecting rod, two ends of the fourth pneumatic spring are respectively hinged with the shell and the third connecting rod, and the fourth pneumatic spring drives the third connecting rod to rotate with the shell; a fifth pneumatic spring is arranged between the third connecting rod and the fourth connecting rod, two ends of the fifth pneumatic spring are respectively hinged with the third connecting rod and the fourth connecting rod, and the fifth pneumatic spring drives the third connecting rod and the fourth connecting rod to rotate; and a sixth pneumatic spring is arranged between the fourth connecting rod and the cross beam, two ends of the sixth pneumatic spring are respectively hinged with the fourth connecting rod and the cross beam, and the sixth pneumatic spring drives the fourth connecting rod and the cross beam to rotate.
The lower extreme and the reel of curtain are connected, and upper end and crossbeam fixed connection, the curtain is convoluteed on the reel.
When the curtain winding device is used, the driving motor rotates in the positive direction to wind the curtain, the curtain pulls the lifting support to retract, the pneumatic spring is compressed, and the lifting support is folded; when the curtain is completely wound on the winding drum, the curtain, the winding mechanism and the lifting bracket are completely contained in the shell; the curtain can be relaxed in the counter rotation of the driving motor, the curtain is completely unfolded by the lifting support under the support of the pneumatic spring, the starting spring provides power for unfolding, and the curtain is tensioned and has a smooth surface.
Preferably, in order to save cost or simplify installation, the number of the pneumatic springs can be reduced from six to four, namely, two of the first pneumatic spring, the second pneumatic spring and the third pneumatic spring are selected, and two of the fourth pneumatic spring, the fifth pneumatic spring and the sixth pneumatic spring are selected, so that when the four pneumatic springs are used, the lifting force of the bracket during unfolding is influenced, and the stability of the curtain lifting bracket is not influenced;
preferably, a spring is installed on the bottom surface inside the shell, and when the curtain lifting support is in a retraction state, the first connecting rod and the third connecting rod press the spring tightly; at the initial stage of the unfolding process, the spring pushes the first connecting rod and the third connecting rod to rotate, so that the unfolding process is smoother and more stable.
Advantageous effects
The utility model has the advantages that: the whole mechanism is not in sliding connection, the structure is stable, and the shape is simple and elegant; the lifting process is smooth, the speed is uniform and stable, and the noise is low; the curtain lifting support provides a larger tension force in an unfolded state, and the curtain is flat; the size is very little after accomodating, portable, and for 100 inches curtain, the height can reach below 10cm after accomodating.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the reel mechanism of the present invention;
FIG. 3 is the schematic view of the lifting support structure of the present invention
FIG. 4 is a schematic structural view of the fully retracted state of the lifting bracket of the present invention;
FIG. 5 is a schematic view of the spring mounting of the present invention;
fig. 6 is a schematic structural view of another embodiment of the lifting bracket of the present invention;
in the figure, 1, a shell, 2, a scroll mechanism, 3, a lifting support, 4, a curtain, 1-1, a first spring, 1-2, a second spring, 2-1, a reel support, 2-2, a reel, 2-3, a tubular motor, 2-4, a bearing, 3-1, a cross beam, 3-2, a first connecting rod, 3-3, a second connecting rod, 3-4, a third connecting rod, 3-5, a fourth connecting rod, 3-6, a first pneumatic spring, 3-7, a second pneumatic spring, 3-8, a third pneumatic spring, 3-9, a fourth pneumatic spring, 3-10, a fifth pneumatic spring and 3-11, a sixth pneumatic spring are arranged.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings in the embodiments of the present invention.
In fig. 1, a scroll mechanism (2) and a lifting bracket (3) are fixed inside a shell (1), the lower end of a curtain (4) is connected with the scroll mechanism (2), the upper end of the curtain is fixedly connected with a beam (3-1) of the lifting bracket (3), and the curtain (4) is wound on a winding drum (2-2).
Fig. 2 is a schematic view of a reel mechanism (2), the reel mechanism (2) comprises a reel (2-2), a tubular motor (2-3), a bearing (2-4), a reel support (2-1), the tubular motor (2-3) extends into the reel (2-2) and is directly connected with the reel (2-2), two ends of the reel (2-2) are respectively connected with the reel support (2-1) through the bearing (2-4), and the reel support (2-1) is fixed on a shell (1).
FIG. 3 is a schematic structural diagram of a lifting support (3), wherein the lifting support (3) comprises a cross beam (3-1), four connecting rods (3-2, 3-3, 3-4 and 3-5) and six pneumatic springs (3-6, 3-7, 3-8, 3-9, 3-10 and 3-11); the lower end of the first connecting rod (3-2) is hinged with the middle part of the shell (1), the upper end of the first connecting rod is hinged with the lower end of the second connecting rod (3-3), and the upper end of the second connecting rod (3-3) is hinged with the middle part of the cross beam (3-1); the lower end of the third connecting rod (3-4) is hinged with the middle part of the shell (1), the upper end of the third connecting rod is hinged with the lower end of the fourth connecting rod (3-5), and the upper end of the fourth connecting rod (3-5) is hinged with the middle part of the cross beam (3-1); the first connecting rod (3-2) and the second connecting rod (3-3) are respectively in a symmetrical structure with the third connecting rod (3-4) and the fourth connecting rod (3-5); two ends of the first pneumatic spring (3-6) are respectively hinged with the shell (1) and the first connecting rod (3-2); two ends of a second pneumatic spring (3-7) are respectively hinged with the first connecting rod (3-2) and the second connecting rod (3-3), and two ends of a third pneumatic spring (3-8) are respectively hinged with the second connecting rod (3-3) and the cross beam (3-1); as shown in FIG. 3, the fourth pneumatic spring (3-9), the fifth pneumatic spring (3-10), and the sixth pneumatic spring (3-11) are respectively placed in a symmetrical structure with the first pneumatic spring (3-6), the second pneumatic spring (3-7), and the third pneumatic spring (3-8).
Fig. 4 is a schematic view of the lifting bracket (3) in a fully retracted state, the curtain (4) is fully wound around the winding mechanism (2), the connecting rod is folded, the pneumatic spring is compressed, and the lifting bracket (3) is fully retracted inside the housing.
In FIG. 5, a first spring (1-1) and a second spring (1-2) are fixed at the bottom of the shell and are symmetrically arranged; when in a recovery state, the first connecting rod (3-1) compresses the first spring (1-1), and the third connecting rod (3-3) compresses the second spring (1-2).
Fig. 6 is a schematic structural view of another embodiment of the lifting bracket (3) of the present invention, in which the lower end of the first connecting rod (3-2) is hinged to the end of the housing (1), the upper end is hinged to the lower end of the second connecting rod (3-3), and the upper end of the second connecting rod (3-3) is hinged to the end of the cross beam (3-1); the lower end of the third connecting rod (3-4) is hinged with the other end of the shell (1), the upper end of the third connecting rod is hinged with the lower end of the fourth connecting rod (3-4), and the upper end of the fourth connecting rod (3-4) is hinged with the other end of the beam (3-1); the first connecting rod (3-2) and the second connecting rod (3-3) are respectively in a symmetrical structure with the third connecting rod (3-4) and the fourth connecting rod (3-5); the connecting rod is folded towards the center of the shell (1).
Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.
Claims (6)
1. The utility model provides an electronic liftable projection curtain of ground formula, includes curtain, casing, spool mechanism, lifting support, its characterized in that: the scroll mechanism and the lifting bracket are arranged in the shell; the winding mechanism comprises a motor and a winding drum, the motor is arranged in the winding drum and is directly connected with the winding drum, and two ends of the winding drum are fixed in the shell through supports; the lifting support comprises a cross beam, 4 connecting rods and 6 pneumatic springs, wherein the cross beam, 4 connecting rods and the shell are hinged to form a hexagonal structure, and the hinged position is provided with 6 pneumatic springs.
2. The floor-mounted electric liftable projection curtain as claimed in claim 1, wherein the lower end of the first connecting rod is hinged to the housing, the upper end of the first connecting rod is hinged to the lower end of the second connecting rod, and the upper end of the second connecting rod is hinged to the cross beam; the lower end of the third connecting rod is hinged with the shell, the upper end of the third connecting rod is hinged with the lower end of the fourth connecting rod, and the upper end of the fourth connecting rod is hinged with the cross beam; the first connecting rod and the second connecting rod are respectively in a symmetrical structure with the third connecting rod and the fourth connecting rod.
3. The floor-mounted electric liftable projection curtain as claimed in claim 1, wherein two ends of the first pneumatic spring are respectively hinged to the housing and the first connecting rod; two ends of the second pneumatic spring are respectively hinged with the first connecting rod and the second connecting rod; two ends of the third pneumatic spring are respectively hinged with the second connecting rod and the cross beam; two ends of the fourth pneumatic spring are respectively hinged with the shell and the third connecting rod; two ends of the fifth pneumatic spring are respectively hinged with the third connecting rod and the fourth connecting rod; two ends of the sixth pneumatic spring are respectively hinged with the fourth connecting rod and the cross beam; the beam is in a horizontal state.
4. The floor-mounted electric liftable projection curtain as claimed in claim 1, wherein the motor is a tubular motor, and the motor is mounted inside the winding drum and directly connected to the winding drum.
5. The floor-mounted electric liftable projection screen of claim 1, wherein the lower end of the screen is connected to the winding drum, the upper end of the screen is fixedly connected to the cross beam, and the screen is wound on the winding drum.
6. The floor-mounted electric liftable projection screen of claim 1, wherein the spring is mounted on the bottom surface inside the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922103594.XU CN211318979U (en) | 2019-11-29 | 2019-11-29 | Floor type electric lifting projection curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922103594.XU CN211318979U (en) | 2019-11-29 | 2019-11-29 | Floor type electric lifting projection curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211318979U true CN211318979U (en) | 2020-08-21 |
Family
ID=72053251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922103594.XU Expired - Fee Related CN211318979U (en) | 2019-11-29 | 2019-11-29 | Floor type electric lifting projection curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211318979U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002272A (en) * | 2020-09-17 | 2020-11-27 | 左影 | Portable project management progress tracking display board |
-
2019
- 2019-11-29 CN CN201922103594.XU patent/CN211318979U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002272A (en) * | 2020-09-17 | 2020-11-27 | 左影 | Portable project management progress tracking display board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200821 Termination date: 20211129 |