CN215376585U - Portable teaching projection curtain's mount - Google Patents
Portable teaching projection curtain's mount Download PDFInfo
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- CN215376585U CN215376585U CN202121669996.7U CN202121669996U CN215376585U CN 215376585 U CN215376585 U CN 215376585U CN 202121669996 U CN202121669996 U CN 202121669996U CN 215376585 U CN215376585 U CN 215376585U
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- side wall
- outer side
- connecting seat
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Abstract
The utility model belongs to the technical field of multimedia teaching devices, in particular to a portable teaching projection curtain fixing frame which comprises a connecting rod, the left side and the right side of the outer side wall of the connecting rod are fixedly connected with connecting blocks, the left sides of the two connecting blocks are respectively provided with a mounting hole in a penetrating way, the insides of the two mounting holes are movably connected with a mounting rod, the middle parts of the front end surfaces of the two connecting blocks are respectively detachably connected with a first bolt, the rear end surfaces of the two first bolts are respectively penetrated through the connecting blocks and fixedly connected with the front end of the outer side wall of the mounting rod, a U-shaped connecting seat is arranged in the middle of the outer side wall of the connecting rod, one side of each of the two second bolts opposite to each other penetrates through the U-shaped connecting seat and extends to the inside of the U-shaped connecting seat, thereby the simple structure of this kind of mount has reached the effect of convenient dismantlement and installation, has avoided the inconvenient problem of carrying because of dismantling inconveniently.
Description
Technical Field
The utility model relates to the technical field of multimedia teaching devices, in particular to a portable teaching projection curtain fixing frame.
Background
In modern society, the application of multimedia teaching technique is extremely extensive, and the mount of multimedia teaching projection curtain mainly used projection curtain's is fixed.
The fixing frame of the existing projection curtain is generally fixed above a blackboard or fixed on a ceiling, and has a complex structure, is extremely inconvenient to disassemble and assemble, and further causes inconvenient carrying.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the background art, the utility model provides a portable fixing frame for a teaching projection curtain, which has the characteristics of simple structure, convenience in disassembly and assembly and convenience in carrying after disassembly.
In order to achieve the purpose, the utility model provides the following technical scheme: a portable fixing frame for a teaching projection curtain comprises a connecting rod, wherein connecting blocks are fixedly connected to the left side and the right side of the outer side wall of the connecting rod, mounting holes are formed in the left sides of the two connecting blocks in a penetrating manner, mounting rods are movably connected inside the two mounting holes, first bolts can be detachably connected to the middle parts of the front end faces of the two connecting blocks, the rear end faces of the two first bolts penetrate through the connecting blocks and are fixedly connected to the front ends of the outer side walls of the mounting rods, a U-shaped connecting seat is mounted in the middle of the outer side wall of the connecting rod, second bolts can be detachably connected to the middle parts of the upper end and the lower end of the U-shaped connecting seat, one opposite side of each second bolt penetrates through the U-shaped connecting seat and extends into the U-shaped connecting seat, an arc-shaped mounting plate is fixedly connected to one opposite side of each second bolt, and an inner adjusting rod is fixedly connected to the rear end of the lower end face of the U-shaped connecting seat, the utility model discloses a quick adjusting device of adjusting the position of adjusting the adjusting rod.
In order to conveniently adjust the height of the fixing frame, the fixing frame of the portable teaching projection curtain is preferably used, the front end of the outer side wall of the outer adjusting rod is provided with a plurality of uniformly distributed adjusting holes, and the outer side wall of the inner adjusting rod is provided with adjusting marbles matched with the adjusting holes.
In order to prevent the fixing frame from inclining, the fixing frame of the portable teaching projection curtain is preferably characterized in that the left side and the right side of the outer side wall of the connecting rod are both connected with sliding blocks in a sliding manner, the left side and the right side of the rear end of the outer side wall of the outer adjusting rod are both connected with fixing rods in a rotating manner, and the other ends of the two fixing rods are respectively detachably connected with the two sliding blocks.
In order to move the fixing frame conveniently, the fixing frame is preferably used as the fixing frame of the portable teaching projection curtain, and the lower end faces of the three supporting rods are respectively provided with a self-locking universal wheel.
In order to facilitate installation of the arc-shaped mounting plate, the fixing frame of the portable teaching projection curtain is preferably provided with a groove matched with the arc-shaped mounting plate in the middle of the outer side wall of the connecting rod.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the fixing frame is installed, all parts are taken out of the portable bag, then the U-shaped connecting seat is placed in a groove formed in a connecting rod, then second bolts on the upper side and the lower side are screwed, an arc-shaped installing plate is fixed in the groove, next, fixing rods are screwed in three threaded holes formed in a connecting ball respectively, so that the installation of the fixing frame is completed, when the height needs to be adjusted after the installation is finished, the adjusting marbles are adjusted into corresponding adjusting holes by pressing the adjusting marbles, when the curtain is used, the first bolts on the connecting block are screwed, so that the distance between the connecting rod and the installing rod is enlarged, the curtain falls off from the installing rod, the steps during the disassembly and the assembly are just opposite, so that the fixing frame is simple in structure, and the effect of convenient disassembly and assembly is achieved, the problem of inconvenient carrying because of dismantling inconvenient is avoided.
2. This kind of mount of portable teaching projection curtain when adjusting the height of mount, through the regulation marble of pressing the interior regulation pole and installing, will adjust during the marble adjusts corresponding regulation hole to the convenient effect of adjusting the mount height has been reached.
3. This kind of mount of portable teaching projection curtain is through rotating two dead levers of connection on adjusting the pole outward to be connected the slider on dead lever and the connecting rod, thereby avoided the mount because of the strong point not enough lead to the mount to produce the problem of slope.
To sum up, the simple structure of this kind of mount of portable teaching projection curtain has reached the effect of convenient dismantlement and installation, has avoided the inconvenient problem of carrying because of dismantling inconveniently.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.
In the drawings:
FIG. 1 is a diagram of a structure of a fixing frame of a portable teaching projection curtain of the present invention;
FIG. 2 is a rear view of a mounting bracket of a portable teaching projection screen of the present invention;
fig. 3 is an enlarged view of the utility model at a in fig. 1.
In the figure, 1, connecting rod; 2. connecting blocks; 3. mounting holes; 4. mounting a rod; 401. a first bolt; 5. a U-shaped connecting seat; 6. a second bolt; 7. an arc-shaped mounting plate; 8. an inner adjusting rod; 9. an outer adjustment lever; 10. a connecting ball; 11. a threaded hole; 12. a support bar; 13. an adjustment hole; 14. adjusting the marble; 15. a slider; 16. fixing the rod; 17. self-locking universal wheels; 18. and (4) a groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-3, the present invention provides the following technical solutions: a portable fixing frame for teaching projection curtains comprises a connecting rod 1, wherein the left side and the right side of the outer side wall of the connecting rod 1 are fixedly connected with connecting blocks 2, the left sides of the two connecting blocks 2 are respectively provided with a mounting hole 3 in a penetrating way, the inner parts of the two mounting holes 3 are movably connected with a mounting rod 4, the middle parts of the front end surfaces of the two connecting blocks 2 are respectively detachably connected with a first bolt 401, the rear end surfaces of the two first bolts 401 are respectively penetrated through the connecting blocks 2 and fixedly connected with the front ends of the outer side wall of the mounting rod 4, a U-shaped connecting seat 5 is arranged in the middle of the outer side wall of the connecting rod 1, the middle parts of the upper end surface and the lower end surface of the U-shaped connecting seat 5 are respectively detachably connected with a second bolt 6, one opposite sides of the two second bolts 6 are respectively penetrated through the U-shaped connecting seat 5 and extend to the inner parts of the U-shaped connecting seat 5, the opposite sides of the two second bolts 6 are respectively fixedly connected with an arc-shaped mounting plate 7, and the rear end surfaces of the U-shaped connecting seat 5 are fixedly connected with an inner adjusting rod 8, the lateral wall sliding connection of interior regulation pole 8 has outer regulation pole 9, and the lower terminal surface fixedly connected with of outer regulation pole 9 connects ball 10, connects the lateral wall of ball 10 and sets up three evenly distributed's screw hole 11, and the equal threaded connection of the inside wall of three screw hole 11 has bracing piece 12.
In this embodiment: when the fixing frame is installed, all parts are taken out of the portable bag, the U-shaped connecting seat 5 is placed in a groove 18 formed in the connecting rod 1, the second bolts 6 on the upper side and the lower side are screwed, the arc-shaped installing plate 7 is fixed in the groove 18, the fixing rods 16 are screwed into three threaded holes 11 formed in the connecting ball 10 respectively, so that the installation of the fixing frame is completed, when the height needs to be adjusted after the fixing frame is installed, the adjusting marbles 14 are adjusted into corresponding adjusting holes 13 by pressing the adjusting marbles 14, when a curtain is used, the first bolts 401 on the connecting block 2 are screwed, so that the distance between the connecting rod 1 and the installing rod 4 is enlarged, the curtain falls off from the installing rod 4, the steps during the disassembly and the assembly are just opposite, therefore, the fixing frame has a simple structure, and the effect of convenient disassembly and assembly is achieved, the problem of inconvenient carrying because of dismantling inconvenient is avoided.
As a technical optimization scheme of the utility model, the front end of the outer side wall of the outer adjusting rod 9 is provided with a plurality of adjusting holes 13 which are uniformly distributed, and the outer side wall of the inner adjusting rod 8 is provided with adjusting marbles 14 which are matched with the adjusting holes 13.
In this embodiment: when the height of the fixing frame is adjusted, the adjusting marble 14 is adjusted to the corresponding adjusting hole 13 by pressing the adjusting marble 14 arranged on the inner adjusting rod 8, so that the effect of conveniently adjusting the height of the fixing frame is achieved.
As a technical optimization scheme of the utility model, the left side and the right side of the outer side wall of the connecting rod 1 are both connected with sliding blocks 15 in a sliding manner, the left side and the right side of the rear end of the outer side wall of the outer adjusting rod 9 are both connected with fixing rods 16 in a rotating manner, and the other ends of the two fixing rods 16 are respectively detachably connected with the two sliding blocks 15.
In this embodiment: the two fixed rods 16 are rotatably connected to the outer adjusting rod 9, and the fixed rods 16 are connected with the sliding blocks 15 on the connecting rods 1, so that the problem that the fixed frame is inclined due to insufficient supporting points is solved.
As a technical optimization scheme of the utility model, the lower end surfaces of the three support rods 12 are all provided with self-locking universal wheels 17.
In this embodiment: the self-locking universal wheels 17 are arranged on the lower end faces of the three support rods 12, so that the effect of conveniently moving the fixing frame is achieved.
As a technical optimization scheme of the utility model, a groove 18 matched with the arc-shaped mounting plate 7 is formed in the middle of the outer side wall of the connecting rod 1.
In this embodiment: the groove 18 is formed in the middle of the outer side wall of the connecting rod 1, so that the effect of conveniently mounting the arc-shaped mounting plate 7 is achieved.
The working principle and the using process of the utility model are as follows: when the fixing frame is installed, all parts are taken out of the portable bag, the U-shaped connecting seat 5 is placed in a groove 18 formed in the middle of the outer side wall of the connecting rod 1, the second bolts 6 on the upper side and the lower side are screwed, the arc-shaped installing plate 7 is fixed on the outer side wall of the connecting rod 1, the fixing rods 16 are screwed into three threaded holes 11 formed in the connecting ball 10 respectively, the installation of the fixing frame is completed, when the height needs to be adjusted after the installation, the adjusting marbles 14 are adjusted into corresponding adjusting holes 13 by pressing the adjusting marbles 14, when a curtain is used, the first bolts 401 on the connecting block 2 are screwed, so that the distance between the connecting rod 1 and the installing rod 4 is enlarged, the curtain falls off from the installing rod 4, the steps during the disassembly and the assembly are opposite, and the self-locking universal wheels 17 are installed on the lower end faces of the three supporting rods 12, has the effect of conveniently moving the fixing frame.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a mount of portable teaching projection curtain, includes connecting rod (1), its characterized in that: the left side and the right side of the outer side wall of the connecting rod (1) are fixedly connected with connecting blocks (2), the left sides of the two connecting blocks (2) are respectively provided with a mounting hole (3) in a penetrating way, the inner parts of the two mounting holes (3) are movably connected with mounting rods (4), the middle parts of the front end surfaces of the two connecting blocks (2) are respectively detachably connected with first bolts (401), the rear end surfaces of the two first bolts (401) are respectively penetrated through the connecting blocks (2) and fixedly connected with the front ends of the outer side wall of the mounting rods (4), a U-shaped connecting seat (5) is arranged in the middle of the outer side wall of the connecting rod (1), the middle parts of the upper end and the lower end of the U-shaped connecting seat (5) are respectively detachably connected with second bolts (6), one opposite sides of the two second bolts (6) are respectively penetrated through the U-shaped connecting seat (5) and extend to the inner parts of the U-shaped connecting seat (5), one opposite sides of the two second bolts (6) are respectively fixedly connected with arc-shaped mounting plates (7), the utility model discloses a U type connecting seat, including U type connecting seat (5), the lower terminal surface rear end fixedly connected with of U type connecting seat (8) adjusts pole (8) in, the lateral wall sliding connection of interior regulation pole (8) has outer regulation pole (9), the lower terminal surface fixedly connected with of outer regulation pole (9) connects ball (10), three evenly distributed's screw hole (11), three are seted up to the lateral wall of connecting ball (10) the equal threaded connection of inside wall of screw hole (11) has bracing piece (12).
2. The portable teaching projection curtain mount of claim 1 wherein: a plurality of adjusting holes (13) which are uniformly distributed are formed in the front end of the outer side wall of the outer adjusting rod (9), and adjusting marbles (14) matched with the adjusting holes (13) are installed on the outer side wall of the inner adjusting rod (8).
3. The portable teaching projection curtain mount of claim 1 wherein: the equal sliding connection in lateral wall left and right sides of connecting rod (1) has slider (15), the left and right sides of outer regulating stem (9) lateral wall rear end all rotates and is connected with dead lever (16), two the other end of dead lever (16) can be dismantled with two sliders (15) respectively and be connected.
4. The portable teaching projection curtain mount of claim 1 wherein: the lower end faces of the three support rods (12) are provided with self-locking universal wheels (17).
5. The portable teaching projection curtain mount of claim 1 wherein: and a groove (18) matched with the arc-shaped mounting plate (7) is formed in the middle of the outer side wall of the connecting rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121669996.7U CN215376585U (en) | 2021-07-22 | 2021-07-22 | Portable teaching projection curtain's mount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121669996.7U CN215376585U (en) | 2021-07-22 | 2021-07-22 | Portable teaching projection curtain's mount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215376585U true CN215376585U (en) | 2021-12-31 |
Family
ID=79611964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121669996.7U Active CN215376585U (en) | 2021-07-22 | 2021-07-22 | Portable teaching projection curtain's mount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215376585U (en) |
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2021
- 2021-07-22 CN CN202121669996.7U patent/CN215376585U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20230621 Address after: No. 103, Xinnan Road, Wuhou District, Chengdu, Sichuan 610041 Patentee after: China Film Ruihang Chengdu Technology Co.,Ltd. Address before: 214000 No. 165, donglang Road, Yangjian Town, Xishan District, Wuxi City, Jiangsu Province Patentee before: Ruiying screen Wuxi Co.,Ltd. |