CN210323751U - Projection screen frame capable of being assembled quickly and adjusted in height easily - Google Patents
Projection screen frame capable of being assembled quickly and adjusted in height easily Download PDFInfo
- Publication number
- CN210323751U CN210323751U CN201921826916.7U CN201921826916U CN210323751U CN 210323751 U CN210323751 U CN 210323751U CN 201921826916 U CN201921826916 U CN 201921826916U CN 210323751 U CN210323751 U CN 210323751U
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- frame
- projection screen
- screen frame
- height
- rope
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- Expired - Fee Related
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- 238000004804 winding Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The utility model relates to a projection curtain frame technical field, in particular to a projection curtain frame which is fast assembled and easy to adjust the height, comprising a frame, the frame is composed of a horizontal rod and a vertical rod, the horizontal rod and the vertical rod are sleeved by a connecting block, two mounting blocks are arranged on the wall at intervals horizontally and are positioned in the middle of the frame, the mounting blocks are provided with fixed pulleys, the projection curtain frame also comprises a rope winding device, a first adjusting rope, a second adjusting rope and a connecting ring, the connecting ring is positioned at the lower side of the mounting blocks, the first adjusting rope passes through the connecting ring and is connected with the vertical rod by bypassing the two fixed pulleys, the second adjusting rope passes through the connecting ring and is connected with the rope winding device, the projection curtain frame which is fast assembled and easy to adjust the height can be assembled without screw fixation through the connecting block, the frame can be assembled, the use is convenient, the height and the level of the projection curtain frame can be easily adjusted by the adjusting rope after the curtain is, thereby achieving the effects of quick assembly and convenient and complete operation.
Description
Technical Field
The utility model relates to a projection curtain frame technical field, concretely relates to fast assembly and easily height-adjusting's projection curtain frame.
Background
The projection screen is one of the most commonly used products in projector peripheral equipment, the image is amplified and displayed, the projection screen can be used for demonstration, publicity and teaching, and is used as an accessory of a projection device, the projection screen is distributed with a plurality of arrangement modes, generally speaking, the projection screen needs to have a projection surface large enough for the projection device to project pictures, the projection screen with the size larger than that of a frame after structural members such as an outer frame and the like are added to the projection screen with the size of 100 inches, the large-size projection screen and the large-size frame are inconvenient to transport, and the sizes of a common elevator and a door frame are not large enough for the large-size projection screen to enter, and a. The projection screen is cheap, good in projection effect, small in size, light in weight and easy to transport, so that the projection screen is popular with users.
However, the existing projection screen frame which is fast assembled and easy to adjust in height has the disadvantages of complex assembly and time consumption when assembling a frame, is usually formed by connecting a plurality of support rods through fixing parts, and when the projection screen frame is installed, the height and the level of the screen frame are not easy to adjust, the height and the level of the screen frame need to be manually adjusted, the operation is complex, and the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve traditional fast assembly and easily adjust the projection screen frame of height and have the equipment complicated in the equipment frame and take time, pass through the mounting by a plurality of bracing pieces and connect to form usually, and when the installation, the height and the level of curtain frame are difficult for adjusting, need the height and the level of manual regulation curtain frame, operate complicated problem.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a fast assembly and easily projection curtain frame of height-adjusting, includes the frame, and the frame includes horizontal pole and montant, cup joint through the connecting block between horizontal pole and the montant and form, this projection curtain frame still includes rope woolding device, first adjustment rope, second adjustment rope, go-between, horizontal interval setting two installation pieces on the wall and fixes respectively fixed pulley on the installation piece, the go-between is located the installation piece downside, first adjustment rope passes the go-between, and walks around two fixed pulleys and be connected fixedly with the montant, second adjustment rope passes the go-between and is connected with the rope woolding device.
Preferably, the rope winding device is clamped at the lower end of the frame, a storage rod is fixed at the lower end of the rope winding device, and a rope pressing piece is arranged on one side of the storage rod.
Preferably, the upper end and the lower end of the mounting block are provided with fixing holes.
Preferably, the number of the cross rods is multiple, and the cross rods are distributed transversely.
Preferably, the number of the vertical rods is multiple and is distributed vertically.
Preferably, the frame is rectangular.
Preferably, the fixed pulley wheel is provided with a groove along the fixed pulley wheel.
Preferably, the connecting block is made of plastic.
To sum up, the utility model discloses following beneficial effect has:
this kind of fast assembly and easily height-adjusting's projection curtain frame need not the screw fixation through connecting block fast assembly, can assemble the frame promptly, convenient to use, after the dress curtain, just can easily adjust the height of projection curtain frame with the adjustment rope, reuse hand adjust from top to bottom just can make the frame to the horizontality of frame limit one side to reach fast assembly, the effect of convenient adjustment.
The invention is further described with reference to the drawings and the specific embodiments.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is a schematic diagram of the frame explosion structure according to the embodiment of the present invention.
Fig. 3 is a schematic view of a local structure of the mounting block according to the embodiment of the present invention.
Fig. 4 is a schematic view of a partial structure according to an embodiment of the present invention.
Fig. 5 is a schematic view of a partial structure according to an embodiment of the present invention.
In the drawings: 1-a frame; 2-mounting the block; 3-a rope winding device; 4-a cross bar; 5-vertical rod; 6-fixed pulley; 7-a groove; 8-a fixation hole; 9-a storage rod; 10-rope pressing piece; 11-connecting blocks; 12-a first adjustment cord; 13-a second adjustment cord; 14-connecting ring.
Detailed Description
Referring to fig. 1-5, the projection screen frame of the present invention comprises a frame 1, wherein the frame 1 comprises a horizontal rod 4 and a vertical rod 5, the horizontal rod 4 and the vertical rod 5 are sleeved by a connecting block 11, specifically, one end of the connecting block 11 is fixedly sleeved with the horizontal rod 4, and the other end is fixedly sleeved with the vertical rod 5; the projection curtain frame further comprises a rope winding device 3, a first adjusting rope 12, a second adjusting rope 13, a connecting ring 14, two mounting blocks 2 horizontally arranged on the wall at intervals and fixed pulleys 6 fixed on the mounting blocks 2, wherein the connecting ring 14 is positioned on the lower side of the mounting blocks 2, the first adjusting rope 12 penetrates through the connecting ring 14 and bypasses the two fixed pulleys 6 to be fixedly connected with a vertical rod 5, and the second adjusting rope 13 penetrates through the connecting ring 14 to be fixedly connected with the rope winding device 3; the rope winding device 3 is clamped at the lower end of the frame 1, a receiving rod 9 is fixed at the lower end of the rope winding device 3, and a rope pressing piece 10 is arranged on one side of the receiving rod 9; the upper end and the lower end of the mounting block 2 are provided with fixing holes 8; the number of the cross rods 4 is multiple, the cross rods are fixedly connected through a plurality of connecting blocks 11 and are distributed transversely; the number of the vertical rods 5 is multiple, and the vertical rods are fixedly connected through a plurality of connecting blocks 11 and are vertically distributed; the frame 1 is rectangular; the wheel edge of the fixed pulley 6 is provided with a groove 7; the connecting block 11 is made of plastic.
In the embodiment, the arrangement of the connecting block 11 is adopted, the cross rod 4 and the vertical rod 5 can be connected through the connecting block 11, the frame 1 can be assembled quickly without screw fixation, the use is convenient, then two mounting blocks 2 are horizontally arranged on the wall at intervals and positioned in the middle of the frame 1, then the fixing hole 8 is fixed through the fixing piece, the fixed pulley 6 is arranged in the middle of the mounting block 2, the wheel edge of the fixed pulley 6 is provided with the groove 7, then the first adjusting rope 12 passes through the connecting ring 14 and is connected with the vertical rod 5 by bypassing the two fixed pulleys 6, the second adjusting rope 13 passes through the connecting ring 14 and is connected with the rope winding device 3, when the height of the frame 1 needs to be adjusted, the height of the projection curtain can be adjusted through the pulling of the second adjusting rope 13, then the level of the projection curtain can be adjusted through the left and right adjustment of the first adjusting rope 12, the rope winding device 3 is clamped in the middle of the lower, and the lower extreme of rope winding device 3 is fixed with and accomodates pole 9, transfers after the adjustment and can twine unnecessary second adjustment rope in accomodating pole 9, and then twine second adjustment rope 13 and press fixedly in pressing rope spare 10 to reach fast assembly, light adjustment, convenient whole effect.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The above embodiments are only used for further explanation of the present invention, and it is not understood that the present invention is limited by the protection scope of the present invention, and the technical engineers in the field are right according to the above contents of the present invention.
Claims (8)
1. The utility model provides a projection curtain frame of fast assembly and easy height-adjusting, includes frame (1), its characterized in that: frame (1) includes horizontal pole (4) and montant (5), cup joint through connecting block (11) between horizontal pole (4) and montant (5) and form, this projection curtain frame still includes rope woolding device (3), first adjustment rope (12), second adjustment rope (13), go-between (14), horizontal interval setting two installation pieces (2) on the wall and fixes respectively fixed pulley (6) on installation piece (2), go-between (14) are located installation piece (2) downside, first adjustment rope (12) pass go-between (14), and walk around two fixed pulley (6) and be connected fixedly with montant (5), second adjustment rope (13) pass go-between (14) and are twined rope device (3) and be connected.
2. The projection screen frame of claim 1, wherein the height of the projection screen frame is adjustable by: the rope winding device (3) is clamped at the lower end of the frame (1), a storage rod (9) is fixed at the lower end of the rope winding device (3), and a rope pressing piece (10) is arranged on one side of the storage rod (9).
3. The projection screen frame of claim 1, wherein the height of the projection screen frame is adjustable by: the upper end and the lower end of the mounting block (2) are provided with fixing holes (8).
4. The projection screen frame of claim 1, wherein the height of the projection screen frame is adjustable by: the number of the cross rods (4) is multiple and the cross rods are distributed transversely.
5. The projection screen frame of claim 1, wherein the height of the projection screen frame is adjustable by: the number of the vertical rods (5) is multiple and the vertical rods are vertically distributed.
6. The projection screen frame of claim 1, wherein the height of the projection screen frame is adjustable by: the frame (1) is rectangular.
7. The projection screen frame of claim 1, wherein the height of the projection screen frame is adjustable by: the fixed pulley (6) is provided with a groove (7) along the pulley edge.
8. The projection screen frame of claim 1, wherein the height of the projection screen frame is adjustable by: the connecting block (11) is made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921826916.7U CN210323751U (en) | 2019-10-28 | 2019-10-28 | Projection screen frame capable of being assembled quickly and adjusted in height easily |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921826916.7U CN210323751U (en) | 2019-10-28 | 2019-10-28 | Projection screen frame capable of being assembled quickly and adjusted in height easily |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210323751U true CN210323751U (en) | 2020-04-14 |
Family
ID=70134649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921826916.7U Expired - Fee Related CN210323751U (en) | 2019-10-28 | 2019-10-28 | Projection screen frame capable of being assembled quickly and adjusted in height easily |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210323751U (en) |
-
2019
- 2019-10-28 CN CN201921826916.7U patent/CN210323751U/en not_active Expired - Fee Related
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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: 20200414 |