CN211180523U - Foldable projection curtain frame - Google Patents
Foldable projection curtain frame Download PDFInfo
- Publication number
- CN211180523U CN211180523U CN201920799332.9U CN201920799332U CN211180523U CN 211180523 U CN211180523 U CN 211180523U CN 201920799332 U CN201920799332 U CN 201920799332U CN 211180523 U CN211180523 U CN 211180523U
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- CN
- China
- Prior art keywords
- support rod
- rectangular frame
- projection screen
- support rods
- hinge
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a foldable projection screen frame, which comprises a rectangular frame consisting of a plurality of first support rods and second support rods, wherein a group of opposite sides of the rectangular frame are formed by connecting more than two first support rods through first articulated elements; the other pair of opposite sides of the rectangular frame is formed by connecting more than two second support rods through second hinge parts; the first support rod and the second support rod on two adjacent sides of the rectangular frame are fixedly connected; one side of first vaulting pole and second vaulting pole all is equipped with fixed bayonet socket, the rigid coupling has the curtain in the fixed bayonet socket. The first articulated element is of an I-shaped structure, and a protrusion is arranged in the middle of one end of the first support rod connected with the first articulated element. Two adjacent second articulated elements are arranged on two opposite sides of the second support rod, a groove is arranged at one end of the second support rod connected with the second articulated elements, and an elastic element is fixedly connected in the groove. The utility model relates to a collapsible projection curtain cloth holder's simple structure, convenient operation, be convenient for accomodate and carry.
Description
Technical Field
The utility model relates to a projection arrangement technical field specifically is a collapsible projection curtain cloth holder.
Background
The projection curtain is extensively used for occasions such as commercial activities, family, school, KTV, and traditional projection curtain is mostly fixed mounting, and inconvenient shift position at any time watches. At present, a plurality of movable projection curtains appear on the market, a curtain scroll type is rolled in a curtain box, when the curtain is used, a support needs to be weighed, and then the curtain is pulled out to be fixed; in addition, the other foldable projection curtain is separated from the frame, and the foldable projection curtain can be used only by firstly supporting and fixing the frame and then hanging the projection curtain.
The screen and the frame are combined together, the screen can be folded, troubles in storage and carrying are omitted, and the folded screen frame can be directly unfolded to be hung for use. Therefore, it is required to develop a portable and conveniently foldable projection screen holder.
SUMMERY OF THE UTILITY MODEL
Solve above current problem, the utility model provides a collapsible projection curtain cloth holder. The utility model discloses a following technical scheme realizes.
A foldable projection screen frame comprises a rectangular frame consisting of a plurality of first support rods and second support rods, wherein a group of opposite sides of the rectangular frame are formed by connecting more than two first support rods through first hinge parts; the other pair of opposite sides of the rectangular frame is formed by connecting more than two second support rods through second hinge parts; the first support rod and the second support rod on two adjacent sides of the rectangular frame are fixedly connected; and one sides of the first support rod and the second support rod are respectively provided with a fixing bayonet, and a curtain is fixedly connected in the fixing bayonet.
Preferably, the first hinge part is of an I-shaped structure, and through holes are correspondingly formed in the end parts of two sides of the I-shaped structure.
Preferably, a protrusion is arranged in the middle of one end, connected with the first hinge component, of the first support rod, a through hole matched with the through hole in the I-shaped structure is formed in the protrusion, a pin shaft penetrates through the through hole in the protrusion and the through hole in the I-shaped structure, and the first support rod can rotate around the pin shaft relative to the first hinge component.
Preferably, two adjacent second hinge parts are arranged on two sides of the second support rod.
Preferably, the second hinge part is a hinge, and the second stay bar is fixedly connected with the second hinge part.
Preferably, a groove is formed at one end of the second stay bar connected with the second hinge part.
Preferably, an elastic part is fixedly connected in the groove of each two adjacent second support rods.
Preferably, the elastic member is an elastic body such as a spring or elastic rubber.
The utility model has the advantages that:
the utility model relates to a foldable projection curtain frame, which comprises a rectangular frame consisting of a plurality of first support rods and second support rods, wherein the first support rods are connected through first articulated elements, and the second support rods are connected through second articulated elements, so that the frame body can be flexibly rotated and folded; projection curtain and support body structure as an organic whole, the projection curtain also folds along with it at the folding in-process of support body, can conveniently accomodate, carry. The novel multifunctional electric heating cooker is simple in structure, convenient to use and suitable for large-scale popularization and use.
Drawings
Fig. 1 is a schematic view of an overall structure of a foldable projection screen holder according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a first connecting member of a foldable projection screen frame according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a second connecting member of a foldable projection screen frame according to embodiment 1 of the present invention.
Wherein: 1. a first stay bar; 2. a second stay bar; 3. a first hinge member; 4. a second hinge member; 5. a groove; 6. an elastic member; 7. and (7) a pin shaft.
Detailed Description
The technical solution of the present invention will be described in more detail and fully with reference to the accompanying drawings.
A foldable projection screen frame comprises a rectangular frame consisting of a plurality of first support rods 1 and second support rods 2, wherein a group of opposite sides of the rectangular frame are formed by connecting more than two first support rods 1 through first hinge parts 3; the other pair of opposite sides of the rectangular frame is formed by connecting more than two second support rods 2 through second hinge parts 4; the first support rod 1 and the second support rod 2 on two adjacent sides of the rectangular frame are fixedly connected; first vaulting pole 1 with one side of second vaulting pole 2 all is equipped with fixed bayonet socket, the rigid coupling has the curtain in the fixed bayonet socket.
The first hinge parts 3 are of I-shaped structures, and through holes are correspondingly formed in the end portions of the two sides of each I-shaped structure.
The middle part of one end of the first support rod 1 connected with the first hinged part 3 is provided with a bulge, the bulge is provided with a through hole matched with the through hole on the I-shaped structure, a pin shaft 7 penetrates through the bulge and the through hole on the I-shaped structure, and the first rod body 1 can rotate around the pin shaft 7 relative to the first hinged part 3.
Wherein two adjacent second hinges 4 are arranged on both sides of the second stay 2.
The second hinge part 4 is a hinge, and the second stay bar 2 is fixedly connected with the second hinge part 4.
Wherein, the end of the second stay bar 2 connected with the second hinge 4 is provided with a groove 5.
And elastic pieces 6 are fixedly connected in the grooves 5 of the two adjacent second support rods 2.
The elastic member 6 is an elastic body such as a spring or elastic rubber.
Detailed description of the preferred embodimentsa foldable projection screen frame includes a rectangular frame consisting of four first support bars 1 and six second support bars 2. A group of short sides on the left side and the right side of the rectangular frame are respectively composed of two first support rods 1, and the two first support rods 1 are connected through first hinge parts 3. A group of long edges on the upper side and the lower side of the rectangular frame are respectively formed by connecting three second support rods 2 through second hinge parts 4. The first support rod 1 and the second support rod 2 on two adjacent sides of the rectangular frame are fixedly connected. One side of first vaulting pole 1 and second vaulting pole 2 all is equipped with fixed bayonet socket, and the rigid coupling has the curtain in the fixed bayonet socket.
The first connector 3 is in an I-shaped structure, and through holes are correspondingly formed in the end portions of two sides of the I-shaped structure. The middle part of one end of the first support rod 1 connected with the first hinged part 3 is provided with a bulge, the bulge is provided with a through hole matched with the through hole on the I-shaped structure, a pin shaft 7 traverses through the through hole on the bulge and the through hole on the I-shaped structure, the first support rod 1 can rotate around the pin shaft 7 relative to the first hinged part 3, and finally the two first support rods 1 are rotated and combined together.
The second hinge parts 4 are hinges, the two adjacent second support rods 2 are fixedly connected with the hinges through bolts, the two adjacent hinges are fixedly connected to the front and rear sides of the second support rods respectively, and the second support rods 2 can be folded in a Z shape. One end of each second support rod 2 connected with the second hinge element 4 is provided with a groove 5, elongated elastic elements 6 made of elastic rubber are fixedly connected in the grooves 5 of every two adjacent second support rods 2, and the elastic elements 6 can enable the two adjacent second support rods 2 to be positioned on the same straight line and cannot be bent towards the folding direction of the hinge again when the projection screen frame is opened.
The specific using process is as follows: after the use of collapsible projection curtain cloth holder, be located the first vaulting pole 1 of lower extreme and upwards fold the left and right sides, first vaulting pole 1 upwards rotates around first articulated elements 3, make two first vaulting poles 1 of homonymy folding, merge together, then carry out "Z" style of calligraphy folding around second articulated elements 4 with second vaulting pole 2 on upper and lower both sides, can fold second vaulting pole 2 and merge the position that occupies the minimum space, the curtain in the middle of the projection curtain cloth holder is also folded at the folding process of support body thereupon, like this can very convenient accomodating or carry. When needs use this projection curtain, will be the second vaulting pole of the "Z" style of calligraphy structure of compression and open earlier, make three second vaulting pole 2 be located same straight line, the elastic component 6 that sets up in the recess of 2 one ends of second vaulting pole can be fixed two adjacent second vaulting poles to a certain extent, prevents that it from folding once more. Then the first support rods 1 at the left side and the right side are rotated to be opened, so that the upper first support rod and the lower first support rod are positioned on the same straight line with the first hinge 3, and the projection curtain can be hung for use.
It is clear that the described embodiment is only one embodiment of the invention, not all embodiments. Based on the embodiments in the present invention, all other implementations obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Claims (8)
1. The utility model provides a collapsible projection curtain cloth holder, includes the rectangular frame who comprises a plurality of first vaulting poles (1) and second vaulting pole (2), its characterized in that:
the opposite sides of the rectangular frame are formed by connecting more than two first support rods (1) through first hinge parts (3); the other pair of opposite sides of the rectangular frame is formed by connecting more than two second support rods (2) through second hinge parts (4); the first support rod (1) and the second support rod (2) on two adjacent sides of the rectangular frame are fixedly connected; first vaulting pole (1) with one side of second vaulting pole (2) all is equipped with fixed bayonet socket, the rigid coupling has the curtain in the fixed bayonet socket.
2. The foldable projection screen holder of claim 1, wherein: the first hinge parts (3) are of I-shaped structures, and through holes are correspondingly formed in the end portions of the two sides of each I-shaped structure.
3. The foldable projection screen holder of claim 2, wherein: the middle part of one end of the first support rod (1) connected with the first hinged part (3) is provided with a protrusion, the protrusion is provided with a through hole matched with the through hole on the I-shaped structure, a pin shaft (7) penetrates through the protrusion and the through hole on the I-shaped structure, and the first support rod (1) can rotate around the pin shaft (7) relative to the first hinged part (3).
4. The foldable projection screen holder of claim 1, wherein: two adjacent second hinged parts (4) are respectively arranged at two opposite sides of the second support rod (2).
5. The foldable projection screen holder of claim 4, wherein: the second hinged part (4) is a hinge, and the second support rod (2) is fixedly connected with the second hinged part (4).
6. The foldable projection screen holder of claim 5, wherein: and a groove (5) is formed in one end, connected with the second hinge part (4), of the second support rod (2).
7. The foldable projection screen holder of claim 6, wherein: and elastic pieces (6) are fixedly connected in the grooves (5) of the two adjacent second support rods (2).
8. The foldable projection screen holder of claim 7, wherein: the elastic piece (6) is an elastic body such as a spring or elastic rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920799332.9U CN211180523U (en) | 2019-05-30 | 2019-05-30 | Foldable projection curtain frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920799332.9U CN211180523U (en) | 2019-05-30 | 2019-05-30 | Foldable projection curtain frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211180523U true CN211180523U (en) | 2020-08-04 |
Family
ID=71823756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920799332.9U Expired - Fee Related CN211180523U (en) | 2019-05-30 | 2019-05-30 | Foldable projection curtain frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211180523U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023025308A1 (en) * | 2021-08-27 | 2023-03-02 | 青岛海信激光显示股份有限公司 | Projection apparatus |
-
2019
- 2019-05-30 CN CN201920799332.9U patent/CN211180523U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023025308A1 (en) * | 2021-08-27 | 2023-03-02 | 青岛海信激光显示股份有限公司 | Projection apparatus |
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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: 20200804 |