CN220419787U - Laser curtain tensioning device - Google Patents
Laser curtain tensioning device Download PDFInfo
- Publication number
- CN220419787U CN220419787U CN202322059900.0U CN202322059900U CN220419787U CN 220419787 U CN220419787 U CN 220419787U CN 202322059900 U CN202322059900 U CN 202322059900U CN 220419787 U CN220419787 U CN 220419787U
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- support
- vertical
- vertical support
- transverse
- laser curtain
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- 238000010030 laminating Methods 0.000 claims description 2
- 239000012788 optical film Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
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- Overhead Projectors And Projection Screens (AREA)
Abstract
The utility model provides a laser curtain tensioning device, which relates to the technical field of laser curtains and comprises a supporting frame, wherein a vertical support and a transverse support are arranged on the inner side of the supporting frame, joint corners are formed at the connecting ends of the vertical support and the transverse support, mounting grooves are formed on the inner sides of the vertical support and the transverse support, limit grooves are formed in the two sides of the lower part of the mounting grooves on the vertical support and the transverse support, first connecting holes are formed in the limit grooves, L-shaped connecting frames are spliced in the limit grooves, and second connecting holes are formed in the L-shaped connecting frames. According to the utility model, the other end of the L-shaped connecting frame is inserted into the limiting groove on the transverse bracket, at the moment, the joint corners of the vertical bracket and the transverse bracket are mutually jointed, the supporting frame and the transverse bracket are connected through the tension spring, and then the screen main body is arranged on the vertical bracket through the connecting piece, so that the whole screen main body can be detached and reinstalled, and the problem that the screen main body is difficult to carry and enter a user's home is solved.
Description
Technical Field
The utility model belongs to the technical field of laser curtains, and particularly relates to a laser curtain tensioning device.
Background
The laser television has been developed rapidly due to its advantages of wide color gamut, high brightness, long service life, energy saving, environmental protection, etc. The laser television comprises a projector (laser) and a projection screen matched with the projector, when the laser television is used, the projection screen is usually installed on a wall, and light projected onto the projection screen by the projector is reflected by the projection screen and then is emitted into eyes of a viewer along a set light path, so that an image is generated.
At present, projection screens on the market mainly comprise a soft screen and a hard screen, wherein the hard screen comprises an optical film and a back plate, the back plate is made of rigid materials, the optical film is adhered to the back plate by adopting glue, and then frames are assembled around the hard screen to play roles of shielding and decoration. However, since the size of the hard screen for the laser television is large, and meanwhile, since the back plate adopted by the hard screen in the prior art is a rigid whole and the optical film is already attached to the back plate when leaving the factory, the whole weight and size of the hard screen are large, so that the hard screen is difficult to carry and enter the home of a user, which causes serious restriction on the development of the whole projection industry; the soft screen comprises a screen main body and a supporting frame, wherein the screen main body is made of soft materials, the periphery of the screen main body is connected to the supporting frame through elastic structures such as tension springs and elastic ropes, so that the screen main body is in a straight state, and the elastic force is easy to attenuate after long-time use due to poor stability of the structures such as the tension springs or the elastic ropes, so that the screen main body on the supporting frame cannot meet the flatness requirement.
Accordingly, the present utility model has been made in view of the above circumstances, and an object of the present utility model is to provide a laser curtain tensioning device which has a more practical value.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a laser curtain tensioning device, which aims to solve the problem that the elastic force is easy to attenuate after long-time use due to poor stability of structures such as tension springs or elastic ropes.
The utility model discloses a purpose and an effect of a laser curtain tensioning device, which are achieved by the following specific technical means:
the utility model provides a laser curtain straining device, includes braced frame, braced frame's inboard is provided with vertical support and horizontal support, laminating bight has all been seted up to vertical support and horizontal support's link, the mounting groove has been seted up to vertical support and horizontal support's inboard, the spacing groove has been seted up to vertical support and horizontal support's upper portion both sides that are located the lower part of mounting groove, first connecting hole has been seted up to the inside in spacing groove, peg graft in the inside in spacing groove has L shape link, the second connecting hole has been seted up on the L shape link.
Further, the diameter looks adaptation of first connecting hole and second connecting hole, and correspond from top to bottom, the internally mounted in first connecting hole and second connecting hole has the connecting screw, vertical support and horizontal support pass through L shape link and connect.
Further, the number of the vertical supports and the number of the transverse supports are two, the number of the L-shaped connecting frames is four, and the four L-shaped connecting frames are respectively positioned at the connecting positions of the adjacent vertical supports and the adjacent transverse supports.
Further, a rotary connecting piece is arranged in the middle of the transverse bracket, and an adjusting bolt is rotatably arranged on the upper portion of the rotary connecting piece.
Further, a fixing groove is formed in the middle of the upper side of the supporting frame, a connecting nut is mounted in the fixing groove, and the connecting nut is in threaded connection with the adjusting bolt.
Further, four connecting pieces are arranged on the inner sides of the two vertical supports, two vertical supports are arranged in a pair of two opposite directions respectively, and the screen main body can be installed on the two vertical supports through the four connecting pieces.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, one end of the L-shaped connecting frame and one end of the vertical support are fixed through the connecting screw, then the other end of the L-shaped connecting frame is inserted into the limiting groove on the transverse support, and the connecting screw is used for fixing, at the moment, the joint corners of the vertical support and the transverse support are mutually jointed, the supporting frame and the transverse support are connected through the tension spring, and then the screen main body is arranged on the vertical support through the connecting piece, so that the whole screen main body can be detached and then arranged, and the problem that the screen main body is difficult to carry and enter a user's home is solved.
According to the utility model, the adjusting bolt and the connecting nut are matched to enable the adjusting bolt to move up and down, the transverse support can be driven to move up and down when the adjusting bolt moves, the transverse support can drive the vertical support to move through the L-shaped connecting frame, the vertical support drives the screen main body to move through the connecting piece, and the problem that the elastic force of the tension spring is easy to attenuate after long-time use can be solved through the tension of the adjusting bolt.
Drawings
FIG. 1 is a schematic view of an overall assembly of a laser curtain tensioning device of the present utility model.
Fig. 2 is a front view of a laser curtain tensioning device according to the present utility model.
Fig. 3 is a schematic diagram showing the detachment of the connection part between the vertical bracket and the horizontal bracket of the laser curtain tensioning device.
Fig. 4 is an enlarged schematic view of a portion a of a laser curtain tensioning device according to the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. a support frame; 2. a vertical bracket; 3. a transverse bracket; 4. bonding the corner; 5. a mounting groove; 6. a limit groove; 7. a first connection hole; 8. an L-shaped connecting frame; 9. a second connection hole; 10. a connecting screw; 11. a tension spring; 12. rotating the connecting piece; 13. an adjusting bolt; 14. a fixing groove; 15. a coupling nut; 16. and a connecting piece.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples
As shown in fig. 1 to 4:
the utility model provides a laser curtain tensioning device, which comprises a supporting frame 1, wherein the inner side of the supporting frame 1 is connected with a vertical support 2 and a transverse support 3 through a tension spring 11, the connecting ends of the vertical support 2 and the transverse support 3 are respectively provided with a joint corner 4, the inner sides of the vertical support 2 and the transverse support 3 are respectively provided with a mounting groove 5, two sides of the lower part of the mounting groove 5 on the vertical support 2 and the transverse support 3 are respectively provided with a limiting groove 6, the inside of the limiting groove 6 is provided with a first connecting hole 7, the inside of the limiting groove 6 is inserted with an L-shaped connecting frame 8, the L-shaped connecting frame 8 is provided with a second connecting hole 9, the diameters of the first connecting hole 7 and the second connecting hole 9 are matched, the inner sides of the first connecting hole 7 and the second connecting hole 9 are respectively provided with a connecting screw 10, the vertical support 2 and the transverse support 3 are connected through the L-shaped connecting frames 8, the number of the vertical support 2 and the transverse support 3 is two, the number of the L-shaped connecting frames 8 is four, and the L-shaped connecting frames 8 are respectively positioned at the adjacent positions of the L-shaped connecting frames 2 and the transverse supports 3;
one end of the L-shaped connecting frame 8 and one end of the vertical support 2 are fixed through the connecting screw 10, then the other end of the L-shaped connecting frame 8 is inserted into the limiting groove 6 on the transverse support 3, the connecting screw 10 is also used for fixing, at the moment, the fitting corner 4 of the vertical support 2 and the fitting corner 4 of the transverse support 3 are mutually fitted, the supporting frame 1 and the transverse support 3 are connected through the tension spring 11, and then the screen main body is installed on the vertical support 2 through the connecting piece 16.
The middle part of the transverse bracket 3 is provided with a rotary connecting piece 12, the upper part of the rotary connecting piece 12 is rotatably provided with an adjusting bolt 13, the middle part of the upper side of the supporting frame 1 is provided with a fixed groove 14, the inside of the fixed groove 14 is provided with a connecting nut 15, and the connecting nut 15 is in threaded connection with the adjusting bolt 13;
the adjusting bolt 13 is rotated, the adjusting bolt 13 can be moved up and down through the cooperation of the adjusting bolt 13 and the connecting nut 15, the transverse support 3 can be driven to move up and down when the adjusting bolt 13 moves, the transverse support 3 can drive the vertical support 2 to move through the L-shaped connecting frame 8, and the vertical support 2 drives the screen main body to move through the connecting piece 16, so that the screen main body can be adjusted.
Wherein, two the inboard of vertical support 2 is installed four connecting pieces 16, is two opposite arrangement respectively, two the vertical support 2 accessible four connecting pieces 16 installation screen main part.
Specific use and action of the embodiment:
in the utility model, during installation, one end of an L-shaped connecting frame 8 is inserted into a limit groove 6 on a vertical support 2, one end of the L-shaped connecting frame 8 and one end of the vertical support 2 are fixed through a connecting screw 10, then the other end of the L-shaped connecting frame 8 is inserted into the limit groove 6 on a horizontal support 3, and the L-shaped connecting frame is also fixed through the connecting screw 10, at the moment, the joint corners 4 of the vertical support 2 and the horizontal support 3 are mutually jointed, the support frame 1 and the horizontal support 3 are connected through a tension spring 11, and then a screen main body is installed on the vertical support 2 through a connecting piece 16; the adjusting bolt 13 is rotated, the adjusting bolt 13 can be moved up and down through the cooperation of the adjusting bolt 13 and the connecting nut 15, the transverse support 3 can be driven to move up and down when the adjusting bolt 13 moves, the transverse support 3 can drive the vertical support 2 to move through the L-shaped connecting frame 8, and the vertical support 2 drives the screen main body to move through the connecting piece 16.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. Laser curtain straining device, including braced frame (1), its characterized in that: the inside of braced frame (1) is connected with vertical support (2) and horizontal support (3) through extension spring (11), laminating bight (4) have all been seted up to the link of vertical support (2) and horizontal support (3), mounting groove (5) have been seted up to the inboard of vertical support (2) and horizontal support (3), spacing groove (6) have been seted up to the lower part both sides that lie in mounting groove (5) on vertical support (2) and horizontal support (3), first connecting hole (7) have been seted up to the inside of spacing groove (6), peg graft in the inside of spacing groove (6) has L shape link (8), second connecting hole (9) have been seted up on L shape link (8).
2. The laser curtain tensioning device of claim 1, wherein: the diameter phase-adaptation of first connecting hole (7) and second connecting hole (9), and correspond from top to bottom, internally mounted in first connecting hole (7) and second connecting hole (9) has connecting screw (10), vertical support (2) and horizontal support (3) are connected through L shape link (8).
3. The laser curtain tensioning device of claim 2, wherein: the number of the vertical supports (2) and the number of the transverse supports (3) are two, the number of the L-shaped connecting frames (8) is four, and the four L-shaped connecting frames (8) are respectively positioned at the connecting positions of the adjacent vertical supports (2) and the adjacent transverse supports (3).
4. The laser curtain tensioning device of claim 1, wherein: the middle part of the transverse bracket (3) is provided with a rotary connecting piece (12), and the upper part of the rotary connecting piece (12) is rotatably provided with an adjusting bolt (13).
5. The laser curtain tensioning device of claim 4, wherein: the middle part of the upper side of the supporting frame (1) is provided with a fixing groove (14), a connecting nut (15) is arranged in the fixing groove (14), and the connecting nut (15) is in threaded connection with the adjusting bolt (13).
6. A laser curtain tensioning apparatus as defined in claim 3, wherein: four connecting pieces (16) are arranged on the inner sides of the two vertical supports (2) and are respectively arranged in a pair of opposite directions, and the two vertical supports (2) can be used for installing a screen main body through the four connecting pieces (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322059900.0U CN220419787U (en) | 2023-08-02 | 2023-08-02 | Laser curtain tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322059900.0U CN220419787U (en) | 2023-08-02 | 2023-08-02 | Laser curtain tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220419787U true CN220419787U (en) | 2024-01-30 |
Family
ID=89651485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322059900.0U Active CN220419787U (en) | 2023-08-02 | 2023-08-02 | Laser curtain tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220419787U (en) |
-
2023
- 2023-08-02 CN CN202322059900.0U patent/CN220419787U/en active Active
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| GR01 | Patent grant |