CN220730615U - Projection screen easy to install - Google Patents

Abstract

The application relates to a projection screen easy to install, which belongs to the field of projection screens and comprises a curtain, wherein inner support rods are arranged on the edges of the periphery of the curtain in a penetrating manner; the springs are provided with a plurality of springs, one ends of the springs are provided with outer support rods together, the other ends of the springs are connected with the curtain through inner support rods, and the springs apply force to the curtain, which is close to the outer support rods; the frame assembly is provided with a support frame at one side, and the support frame can support the outer support rod; the support frame is provided with an opening for placing the spring at the position corresponding to the spring; the curtain can be arranged in the frame assembly, and springs are distributed between the frame assembly and the curtain. The projection screen has the advantages that the projection screen is more convenient to install, and time and labor are saved.

Description

Projection screen easy to install

Technical Field

The present application relates to the field of projection screens, and more particularly to an easily installed projection screen.

Background

The curtain of the picture frame curtain is very flat, has excellent image quality and simple structure, is a projection display screen preferred by a plurality of people, is popular in the current market, and is widely applied to various occasions and fields.

The main mounting mode of the projection curtain is that the projection curtain is arranged on a curtain frame, a buckle is arranged on the periphery of the frame, the curtain can be buckled, tension is added to enable the curtain to be leveled, and therefore the ripple of a central area of the curtain is effectively eliminated, the curtain forms an absolute pure mirror surface effect, and the projection curtain has good flatness. The existing projection curtain proportion mostly adopts a fixed proportion of 16:9, the screen frame is large, and for convenient transportation, the projection curtain frame is often transported by bulk components, and then assembled during use.

To the relevant technique among the above-mentioned, generally adopt spring construction to flatten the curtain, the workman needs to tighten more springs in proper order during the equipment to make the curtain flatten, the taut mode in proper order is difficult for workman's operation installation, and is comparatively time consuming and laborious work efficiency low.

Disclosure of Invention

In order to facilitate installation of the projection screen, the present application provides an easy-to-install projection screen.

The projection screen easy to install provided by the application adopts the following technical scheme:

a projection screen easy to install includes

The curtain is provided with inner support rods in a penetrating way at the peripheral edges;

the springs are provided with a plurality of springs, one ends of the springs are provided with outer support rods together, the other ends of the springs are connected with the curtain through the inner support rods, and the springs apply force to the curtain close to the outer support rods;

the frame assembly is provided with a support frame at one side, and the support frame can support the outer support rod; the support frame is provided with an opening for placing a spring at a position corresponding to the spring;

the curtain can be placed inside the frame assembly, and the springs are distributed between the frame assembly and the curtain.

Through adopting above-mentioned technical scheme, the curtain is in frame assembly inside including bracing piece, outer bracing piece and the effect of spring is leveled and is expanded down, and spring one end sets up in outer bracing piece, and the one end connection that the outer bracing piece was kept away from to the spring wears to locate the interior bracing piece of curtain, when placing the support frame in outer bracing piece, the spring is in the tensioning state, taut curtain you are with the curtain exhibition flat. The curtain is stressed more uniformly by using the outer support rods, the curtain flattening effect is better, and all springs on each side can be tensioned at one time by the outer support rods during installation, so that the installation process is more convenient.

Optionally, the inner support rod comprises a transverse inner support rod and a vertical inner support rod, and the outer support rod comprises a transverse outer support rod and a vertical outer support rod; the transverse inner stay bar is divided into a first transverse inner stay bar and a second transverse inner stay bar along the length direction; the transverse outer stay bar is divided into a first transverse outer stay bar and a second transverse outer stay bar along the length direction.

By adopting the technical scheme, the transverse inner stay bar and the transverse outer stay bar are respectively divided into two parts, so that the maximum length of the rods is reduced, and the storage, the packaging and the transportation of the projection screen are facilitated.

Optionally, the frame assembly includes the horizontal frame and erects the frame through bolted connection, horizontal frame is divided into first horizontal frame and the horizontal frame of second along length direction, be provided with between first horizontal frame and the horizontal frame of second and be identical to fixed locking bolt.

Through adopting above-mentioned technical scheme, but the frame assembly split is horizontal frame and erects the frame, and horizontal frame still can divide into first horizontal frame and second horizontal frame, but the frame assembly finally split is two first horizontal frames, two second horizontal frames and two erects the frame to this dismantles into the bulk cargo and more does benefit to the packing transportation. When the locking bolt is used for mounting, the first transverse frame and the second transverse frame can be fixed, and the locking bolt is convenient to operate and is also beneficial to mounting.

Optionally, a projection screen easy to install includes bead piece and recess, the bead piece with the recess set up respectively in horizontal frame with erect the frame, the bead piece with the recess looks adaptation each other, the bead piece with the recess is used for the location horizontal frame with erect the frame.

Through adopting above-mentioned technical scheme, the cooperation of bead piece and recess can prevent that horizontal frame from carrying out threaded connection with perpendicular frame or long-term use back horizontal frame or perpendicular frame from taking place to rotate under the exogenic action, and the bead piece is fixed the relative position of horizontal frame and perpendicular frame with the recess.

Optionally, the first horizontal frame is kept away from perpendicular frame one end and is provided with the convex part, the second horizontal frame is kept away from perpendicular frame one end and is provided with the concave part corresponding to the convex part position, the relative rotation takes place for first horizontal frame and second horizontal frame can be restricted with the concave part to the convex part, the convex part passes through locking bolt with the concave part is fixed.

By adopting the technical scheme, when the convex part and the concave part can position the first transverse frame and the second transverse frame, the convex part and the concave part can be used for positioning, so that the relative position of the convex part and the concave part is prevented from shifting when the convex part and the concave part are connected, and the relative position relation of the convex part and the concave part is fixed by bolts, so that the positions of the first transverse frame and the second transverse frame are fixed.

Optionally, an abutment inclined plane is disposed on one side of the protrusion, close to the locking bolt, and the abutment inclined plane is inclined from a direction away from the first transverse frame to a direction away from the locking bolt, and the locking bolt abuts against the abutment inclined plane.

By adopting the technical scheme, the locking bolt is abutted on the abutting inclined plane, the convex part and the concave part are fixed, and simultaneously, the convex part is given a force close to the second transverse frame, so that the first transverse frame and the second transverse frame are in closer contact, and the gap between the first transverse frame and the second transverse frame is reduced.

Optionally, the one end rigid coupling that first horizontal frame is connected with the convex part has the rubber pad, the gap between first horizontal frame and the second horizontal frame can be filled to the rubber pad.

Through adopting above-mentioned technical scheme, the gap between first horizontal frame and the second horizontal frame fills through the rubber pad, makes horizontal frame more pleasing to the eye in the outward appearance.

Optionally, the spring is detachably connected to the outer support bar and the inner support bar.

Through adopting above-mentioned technical scheme, the spring can independently be split out, does benefit to on the one hand and accomodates the packing, on the other hand can change the spring. After the projection screen is used for a long time, the spring force is reduced, the screen tensioning capacity is insufficient, the curtain is easy to ripple, and the curtain can be flattened by replacing the spring.

Optionally, the outer support rod is provided with a positioning groove for positioning the spring corresponding to the spring position.

Through adopting above-mentioned technical scheme, the constant head tank can provide the locate function for the spring on the outer bracing piece, guarantees that the spring can not take place to slide on the outer bracing piece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the springs buckle the curtain to the frame assembly, the curtain is leveled through tension, so that the ripple of the central area of the curtain is effectively eliminated, the curtain forms an absolute pure flat mirror surface effect, the curtain has good flatness, the curtain is stressed more uniformly through the outer support rods, the curtain flattening effect is better, and all springs on each side can be tensioned through the outer support rods at one time during installation, so that the installation process is more convenient;

2. the frame assembly, the inner support rod and the outer support rod can be split into independent cross rods and vertical rods, and all the cross rods can be split into two parts, so that the overall length is reduced, and the packaging and the transportation are facilitated;

3. the spring can be dismantled and connect in outer bracing piece and screen, can independently split it, does benefit to the storage package on the one hand, and on the other hand can change the spring that elasticity reduces, makes the curtain reach the leveling effect, increases projection screen's practicality.

Drawings

Fig. 1 is a schematic view of a projection screen that is easy to install according to an embodiment of the present application.

Fig. 2 is a schematic view of the structure of a protruding rib of an easily installed projection screen according to an embodiment of the present application.

Fig. 3 is an enlarged view of a in fig. 1.

Reference numerals illustrate: 1. a frame assembly; 11. a transverse frame; 111. a first cross frame; 112. a second cross frame; 113. a convex portion; 114. a concave portion; 115. a locking bolt; 116. a rubber pad; 12. a vertical frame; 13. a rib block; 14. a groove; 15. a fixing frame; 16. a support frame; 161. an opening; 2. a curtain; 3. an inner support bar; 31. a transverse inner stay; 32. a vertical inner stay; 33. a first transverse inner strut; 34. a second transverse inner strut; 4. an outer support rod; 41. a lateral outer brace; 42. a vertical outer stay; 43. a first outer transverse strut; 44. a second transverse outer strut; 5. and (3) a spring.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiment of the application discloses a projection screen easy to install. Referring to fig. 1, a projection screen easy to install includes a frame assembly 1, a curtain 2 and springs 5, the curtain 2 is arranged in the frame assembly 1 and is connected to the frame assembly 1 through a plurality of springs 5, an inner supporting rod 3 is arranged at the peripheral edge position of the curtain 2 in a penetrating manner, the inner supporting rod 3 comprises a transverse inner supporting rod 31 and a vertical inner supporting rod 32, the transverse inner supporting rod 31 is arranged on the long side of the curtain 2 in a penetrating manner, and the vertical inner supporting rod 32 is arranged on the short side of the curtain 2 in a penetrating manner. The frame assembly 1 inboard is provided with outer bracing piece 4, and outer bracing piece 4 is located to spring 5 one end cover, and the other end passes through interior bracing piece 3 lock joint in curtain 2, and spring 5 gives the curtain 2 and is close to the power of outer bracing piece 4, and spring 5 can separate with outer bracing piece 4, is favorable to the installation and the change of spring 5. The outer support rod 4 comprises a transverse outer support rod 41 and a vertical outer support rod 42, wherein the transverse outer support rod 41 is arranged corresponding to the position of the transverse inner support rod 31, and the vertical outer support rod 42 is arranged corresponding to the position of the vertical inner support rod 32. The outer support rod 4 is provided with a positioning groove (not shown in the figure) corresponding to the position of the spring 5, and the outer support rod 4 positions the spring 5 through the positioning groove, so that the spring 5 is prevented from sliding on the outer support rod 4. The frame assembly 1 is provided with a fixing frame 15 for fixing to a wall surface, a supporting frame 16 for supporting the outer supporting rod 4 is fixedly connected to the periphery of one side, close to the wall surface, of the frame assembly 1, the cross section of the supporting frame 16 perpendicular to the wall surface can be U-shaped or V-shaped, and an opening 161 for placing the spring 5 is formed in the position, corresponding to the spring 5, of the supporting frame 16. During installation, the curtain 2 is fixed to the frame assembly 1 through the springs 5, the curtain 2 is pulled up by the springs 5, and the curtain 2 is leveled, so that the ripple of the central area of the curtain 2 is effectively eliminated, and the curtain 2 has good flatness. Through connecting spring 5 between interior bracing piece 3 and outer bracing piece 4, make curtain 2 atress more even, curtain 2 exhibition flat effect is better, and accessible outer bracing piece 4 once only is taut with all springs 5 on every limit during the simultaneous installation, makes the installation more convenient.

Referring to fig. 2, the frame assembly 1 includes a horizontal frame 11 and a vertical frame 12, the horizontal frame 11 corresponds to the long side of the curtain 2, the vertical frame 12 corresponds to the short side of the curtain 2, the horizontal frame 11 and the vertical frame 12 are fixed from the side through bolts, the end surfaces of the horizontal frame 11 and the vertical frame 12, which are in contact with each other, are fixedly connected with a rib block 13 and a groove 14 corresponding to the rib block 13 respectively, the rib block 13 can be a rib column or a convex pyramid, the cooperation of the rib block 13 and the groove 14 can fix the relative positions of the horizontal frame 11 and the vertical frame 12, and the horizontal frame 11 and the vertical frame 12 can be prevented from being in threaded connection or the horizontal frame 11 or the vertical frame 12 rotates under the action of external force after long-term use.

Referring to fig. 1, the lateral frame 11 is divided into a first lateral frame 111 and a second lateral frame 112 in the length direction, the lateral inner stay 31 is divided into a first lateral inner stay 33 and a second lateral inner stay 34 in the length direction, and the lateral outer stay 41 is divided into a first lateral outer stay 43 and a second lateral outer stay 44 in the length direction. The first horizontal inner stay bar 33 is provided with threads at one end coaxially, the end face of the second horizontal inner stay bar 34, which is contacted with the first horizontal inner stay bar 33, is provided with threaded holes matched with the threads of the first horizontal inner stay bar 33 coaxially, and the two are detachably connected through the threads. The first outer transverse stay bar 43 is provided with threads on the same axis at one end, the second outer transverse stay bar 44 is provided with threaded holes matched with the threads of the first outer transverse stay bar 43 on the same axis at the end surface contacted with the first outer transverse stay bar 43, and the two are detachably connected through the threads. The frame assembly 1 of the projection screen is, before installation, two first transverse frames 111, two second transverse frames 112, two vertical frames 12, two first transverse inner struts 33, two second transverse inner struts 34, two vertical inner struts 32, two first transverse outer struts 43, two second transverse outer struts 44 and two vertical outer struts 42. Because the side length ratio of the curtain 2 is 16:9, the vertical frame 12 is longest after the curtain is detached, so that the maximum length of the packing box is reduced during packing, and the packing, carrying and transportation are facilitated.

Referring to fig. 3, a quadrangular protrusion 113 is fixedly connected to one end of the first horizontal frame 111 away from the vertical frame 12, a recess 114 is formed in a position of the second horizontal frame 112 away from the vertical frame 12, which corresponds to the protrusion 113, the recess 114 can be sleeved on the protrusion 113, and other side walls of the recess 114 can be engaged with side walls of the protrusion 113 except for side walls close to the outer support rod 4. The second transverse frame 112 is in threaded connection with a locking bolt 115 at a position corresponding to the concave part 114 at one side close to the outer support rod 4, the axis of the locking bolt 115 is vertical and penetrates through one side of the second transverse frame 112 close to the outer support rod 4, and the end part of the locking bolt 115 is in a smooth hemispherical shape. The convex portion 113 is provided with an abutting inclined surface on one side close to the locking bolt 115, the abutting inclined surface is inclined from being far from the first transverse frame 111 to being close to the first transverse frame 111 to being far away from the locking bolt 115, the end portion of the locking bolt 115 abuts against and presses the inclined surface, and the force of the convex portion 113 approaching to the second transverse frame 112 is applied to fix the first transverse frame 111 and the second transverse frame 112, so that the first transverse frame 111 and the second transverse frame 112 are connected more tightly, and a connecting gap between the first transverse frame 111 and the second transverse frame 112 is reduced. The rubber pad 116 with the size and shape being the same as the end of the first transverse frame 111 is fixedly connected with the end of the convex portion 113 of the first transverse frame 111, the color of the rubber pad 116 is similar to that of the frame assembly 1, and the rubber pad 116 can be extruded between the first transverse frame 111 and the second transverse frame 112. The locking bolt 115 presses the abutting inclined plane to enable the first transverse frame 111 to be in closer contact with the second transverse frame 112, and the rubber pad 116 can fill gaps between the first transverse frame 111 and the second transverse frame 112, so that the appearance of the frame assembly 1 is attractive.

The implementation principle of the projection screen easy to install in the embodiment of the application is as follows: the two first transverse inner supporting rods 33 and the two second transverse inner supporting rods 34 are respectively connected into two transverse inner supporting rods 31 through bolts, the two transverse inner supporting rods 31 are sleeved at the edge position of the long side of the curtain 2, and the two vertical inner supporting rods 32 are sleeved at the edge position of the short side of the curtain 2. The two first horizontal outer supporting rods 43 and the two second horizontal outer supporting rods 44 are respectively connected into two horizontal outer supporting rods 41 through bolts, the two first horizontal frames 111 and the two second horizontal frames 112 are respectively connected into two horizontal frames 11 through locking bolts 115, the horizontal frames 11 and the corresponding vertical frames 12 are positioned through the convex rib blocks 13 and the grooves 14, the side faces are connected through bolts, and the frame assembly 1 is assembled. The outer support rod 4 is sleeved with one end of the spring 5, the outer support rod 4 is arranged in the positioning groove 14 of the outer support rod 4, the other end of the spring 5 is fastened to the inner support rod 3, the outer support rod 4 connected with the spring 5 is arranged in the support frame 16, the spring 5 pulls the inner support rod 3 to flatten the curtain 2, the projection screen is assembled, and the assembled screen is hung on a wall surface through the fixing frame 15, namely the installation is completed.

The embodiment of the application has the effects of enabling the installation of the projection screen to be more convenient and saving time and labor.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. An easily installed projection screen, comprising:

the curtain (2), the edge wears to be equipped with interior bracing piece (3) around curtain (2);

the curtain comprises a plurality of springs (5), wherein one ends of the springs (5) are provided with outer support rods (4) together, the other ends of the springs are connected with the curtain (2) through the inner support rods (3), and the springs (5) apply force to the curtain (2) close to the outer support rods (4);

the frame assembly (1), one side of the frame assembly (1) is provided with a supporting frame (16), and the supporting frame (16) can support the outer supporting rod (4); an opening (161) for placing the spring (5) is formed in the support frame (16) corresponding to the spring (5);

the curtain (2) can be arranged inside the frame assembly (1), and the springs (5) are distributed between the frame assembly (1) and the curtain (2).

2. An easy-to-install projection screen according to claim 1, wherein: the inner support rod (3) comprises a transverse inner support rod (31) and a vertical inner support rod (32), and the outer support rod (4) comprises a transverse outer support rod (41) and a vertical outer support rod (42); the transverse inner stay bar (31) is divided into a first transverse inner stay bar (33) and a second transverse inner stay bar (34) along the length direction; the transverse outer stay bar (41) is divided into a first transverse outer stay bar (43) and a second transverse outer stay bar (44) along the length direction.

3. An easy-to-install projection screen according to claim 1, wherein: the frame assembly (1) comprises a transverse frame (11) and a vertical frame (12) which are connected through bolts, the transverse frame (11) is divided into a first transverse frame (111) and a second transverse frame (112) along the length direction, and locking bolts (115) which are identical to the fixing bolts are arranged between the first transverse frame (111) and the second transverse frame (112).

4. A projection screen according to claim 3, characterized in that it comprises a rib block (13) and a groove (14), said rib block (13) and said groove (14) being respectively provided in said lateral frame (11) and said vertical frame (12), said rib block (13) and said groove (14) being mutually adapted, said rib block (13) and said groove (14) being adapted to position said lateral frame (11) and said vertical frame (12).

5. A projection screen for easy installation as claimed in claim 3, wherein: the novel anti-theft lock is characterized in that a convex part (113) is arranged at one end, far away from the vertical frame (12), of the first transverse frame (111), a concave part (114) is arranged at the position, corresponding to the convex part (113), of one end, far away from the vertical frame (12), of the second transverse frame (112), the convex part (113) and the concave part (114) can limit the relative rotation of the first transverse frame (111) and the second transverse frame (112), and the convex part (113) and the concave part (114) are fixed through the locking bolt (115).

6. An easy-to-install projection screen according to claim 5, wherein: an abutting inclined surface is arranged on one side of the protruding portion (113) close to the locking bolt (115), the abutting inclined surface is inclined from the direction away from the first transverse frame (111) to the direction close to the first transverse frame (111) to the direction away from the locking bolt (115), and the locking bolt (115) abuts against the abutting inclined surface.

7. An easy-to-install projection screen according to claim 6, wherein: one end of the first transverse frame (111) connected with the convex part (113) is fixedly connected with a rubber pad (116), and the rubber pad (116) can fill a gap between the first transverse frame (111) and the second transverse frame (112).

8. An easy-to-install projection screen according to claim 1, wherein: the springs (5) are detachably connected to the outer support rods (4) and the inner support rods (3).

9. An easy-to-install projection screen according to claim 1, wherein: the outer support rod (4) is provided with a positioning groove for positioning the spring (5) at the position corresponding to the spring (5).