CN214311275U

CN214311275U - Wall-mounted narrow-edge projection screen

Info

Publication number: CN214311275U
Application number: CN202120015184.4U
Authority: CN
Inventors: 李增荣
Original assignee: Shenzhen Fuyouming Information Technology Co ltd
Current assignee: Shenzhen Fuyouming Information Technology Co ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-09-28
Anticipated expiration: 2031-01-05

Abstract

The utility model discloses a wall hanging narrow-side projection screen, which belongs to the technical field of projection screen technology, and comprises an inner frame, wherein the inner frame is sleeved with an outer frame, four right-angle sides of the outer frame are fixedly connected with edge-covering feet through bolts, and when the device is arranged on a wall through being provided with a supporting device, when the device is hung on the wall, two first movable hanging pieces are firstly hung on a clamping strip arranged on the wall, the top end of the clamping strip is inserted into the first movable hanging pieces, then the second movable hanging pieces are pulled downwards, when the second movable hanging pieces move downwards, the second locking bolts move downwards in an inner cavity of a frame-shaped upright post and downwards extrude a compression spring, when the second movable hanging pieces move to the bottom end of the clamping strip, the device is adjusted to be parallel to the wall, thus, the second movable hanging pieces are loosened, and under the elastic action of the compression spring, the second movable hanging pieces can be arranged at the bottom end of the clamping strip, and the screws are tightened again, so that the support device can be kept stable in a clamping state.

Description

Wall-mounted narrow-edge projection screen

Technical Field

The utility model relates to a projection screen technical field specifically is a hanging narrow limit projection screen.

Background

Projection screens can be generally classified into reflective type and transmissive type; reflective for front projection and transmissive for rear projection; the positive projection screen is divided into a plane screen and an arc screen; the flat screen may be classified qualitatively into a bead screen, a metal screen, an embossed plastic screen, an elastic screen, and the like.

The existing projection screen is generally a hanging type screen, the stability is poor, the opening device puts down the screen when in use, and the screen is recovered after the use is finished, so the operation is troublesome, and the screen has poor stability and is easy to cause the texture of pictures to be poor, thereby providing the hanging type screen.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a narrow limit of hanging projection screen, to the not enough of prior art, the problem that the background art provided has been solved.

(II) technical scheme

The utility model provides a following technical scheme: a wall-mounted narrow-side projection screen comprises an inner frame, wherein an outer frame is sleeved on the inner frame, the appearance of the whole device is guaranteed due to the arrangement of the outer frame, edge covering treatment is carried out on the inner frame 1, a key internal mechanism is prevented from being exposed, the safety of the inner frame 1 is guaranteed, and four right-angle sides of the outer frame are fixedly connected with edge covering feet through bolts;

the number of the supporting devices is two, and the two supporting devices are symmetrically distributed on the back surface of the inner frame;

the glass fiber rods penetrate through the periphery of the soft curtain, the soft curtain is laid on the front side of the inner frame, and the periphery of the soft curtain is reserved with folded edges to be wrapped on the inner frame;

the glass fiber rod is sleeved with a plurality of tension springs, and the other end of each tension spring is hooked to the back of the inner frame.

Preferably, the inner frame comprises two cross bars, four connecting leg members and two vertical bars, and the two cross bars, the four connecting leg members and the two vertical bars form a square frame body.

Preferably, the supporting device comprises a frame-shaped upright post, the upper end and the lower end of the frame-shaped upright post are both fixedly connected with a fixed coupling iron, the fixed iron coupler is arranged on the sliding block through a bolt, the upper side and the lower side of the back surface of the frame type upright post are both fixedly connected with gradienters, the upper gradienter and the lower gradienter are both sleeved with a first movable hanging piece and a second movable hanging piece, two side edges of the first movable hanging piece wrap the frame-shaped upright post and are fixed on the frame-shaped upright post by two first locking bolts, the upper side of the side opposite to the side of the second movable hanging piece is fixedly connected through a sliding strip which is fixedly connected through a screw, the middle part of the second movable hanging piece is fixedly connected through a second locking bolt, a fastener is sleeved below the inner cavity of the frame-shaped upright post, the top of the fastener is fixedly connected with the side surface of the second locking bolt through a compression spring.

Preferably, the soft curtain comprises a curtain body, cloth sleeves are fixedly connected to four sides of the curtain body, and the glass fiber rod sleeves are arranged in the cloth sleeves.

Preferably, the connecting leg pieces are arranged at right angles, each connecting leg piece comprises a right-angle connecting block, two inserting strips are arranged on each right-angle connecting block, and the inserting strips are fixedly connected with the transverse rods and the vertical rods through bolts;

preferably, the cross rod comprises a first cross beam and a second cross beam, a connecting block is fixedly connected to the right side of the first cross beam, the connecting block is inserted into an embedded groove formed in the left side of the second cross beam and fixed by bolts, sliding grooves communicated with each other are formed in the back faces of the first cross beam and the second cross beam, and sliding blocks are arranged in the sliding grooves in a sleeved mode.

(III) advantageous effects

Compared with the prior art, the utility model provides a hanging narrow limit projection screen possesses following beneficial effect:

1. this hanging narrow limit projection screen, through being provided with strutting arrangement, when installing the device on the wall, when linkage, at first hang two first activity lacing film on installing the chucking strip on the wall, first activity lacing film is inserted on the top of chucking strip, stimulate second activity lacing film downwards again, when second activity lacing film moves down, second locking bolt moves down in frame type stand inner chamber, and extrude compression spring downwards, when second activity lacing film moves to the bottom of chucking strip, adjust the device with the wall body parallel, so, loosen second activity lacing film, under compression spring's elastic action, second activity lacing film can the chucking in the bottom of chucking strip, tighten the screw again, can remain stable at strutting arrangement chucking's state this moment.

2. This hanging narrow limit projection screen through the setting of inner frame, when assembling the device, pegs graft the embedded inslot of seting up in the left side of second crossbeam with first crossbeam right side fixedly connected with connecting block to there are two horizontal poles of bolt fastening, all be fixed with the connecting leg spare in the both sides of two horizontal poles, insert two vertical retort at the other end of two connecting leg spare, can install fixedly like this with interior framework, the mounting means is simple, quick.

3. This narrow limit of hanging projection screen, through the setting to soft curtain, during the installation, the fine pole both ends of glass are guaranteed to the fine pole of glass runs through the cloth cover and expose to collude on fine pole of glass with the extension spring, owing to soft curtain reserves the margin width of a book and turns up to the rear side, hang the hook of the extension spring other end on the internal frame, can install soft curtain like this, and taut dynamics is even, can guarantee the security of soft curtain like this.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of the inner frame of the present invention;

fig. 3 is a schematic structural view of the supporting device of the present invention;

FIG. 4 is a schematic structural view of the installation of the soft curtain of the present invention;

FIG. 5 is a schematic view of an enlarged view of the point A in FIG. 5 according to the present invention;

FIG. 6 is a schematic view of a partial structure of the soft curtain of the present invention;

fig. 7 is a side view of the structure of the soft curtain cloth of the present invention.

In the figure: 1 inner frame, 11 cross bars, 111 one cross bar, 112 second cross bar, 113 connecting blocks, 114 sliding grooves, 115 sliding blocks, 12 connecting foot members, 121 right-angle connecting blocks, 122 inserting bars, 13 vertical bars, 2 outer frames, 3 supporting devices, 31 frame type upright posts, 32 first movable hanging pieces, 33 gradienters, 34 second movable hanging pieces, 35 second locking bolts, 36 fasteners, 37 compression springs, 38 screws, 39 sliding bars, 310 fixed link iron, 4 soft curtains, 41 curtain bodies, 42 cloth covers, 5 wrapping feet and 6 tension springs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, a wall-mounted narrow-side projection screen includes an inner frame 1, and is characterized in that: the outer frame 2 is sleeved on the inner frame 1, the attractiveness of the whole device is guaranteed due to the arrangement of the outer frame 2, the inner frame 1 is subjected to edge covering treatment, so that a key internal mechanism is prevented from being exposed, the safety and stability of the inner frame 1 are guaranteed, four right-angle sides of the outer frame 2 are fixedly connected with edge covering feet 5 through bolts, and the safety of the corners of the outer frame 2 can be guaranteed due to the arrangement of the edge covering feet 5, so that the safety of the device in carrying is guaranteed;

the supporting devices 3 are used for hanging the device on a wall, the number of the supporting devices 3 is two, the two supporting devices 3 are symmetrically distributed on the back surface of the inner frame 1, each supporting device 3 comprises a frame-shaped upright column 31, the upper end and the lower end of each frame-shaped upright column 31 are fixedly connected with a fixed iron 310, the fixed iron 310 is installed on the sliding block 115 through bolts, the upper side and the lower side of the back surface of each frame-shaped upright column 31 are fixedly connected with gradienters 33, the gradienters 33 are arranged, the first movable hanging pieces 32 and the second movable hanging pieces 34 can be arranged at the same horizontal position, installation operation of installers can be facilitated, the upper level 33 and the lower level 33 are respectively sleeved with a first movable hanging piece 32 and a second movable hanging piece 34, two side edges of the first movable hanging pieces 32 wrap the frame-shaped upright column 31 and are fixed on the frame-shaped upright column 31 through two first locking bolts, the upper side edge of the second movable hanging piece 34 is fixedly connected through a sliding strip 39, the sliding strip 39 is fixedly connected by a screw 38, the middle part of the second movable hanging piece 34 is fixedly connected by a second locking bolt 35, a fastening piece 36 is sleeved below the inner cavity of the frame-shaped upright post 31, and the top of the fastening piece 36 is fixedly connected with the side surface of the second locking bolt 35 by a compression spring 37;

when the device is hung, firstly, two first movable hanging pieces 34 are hung on a clamping strip installed on a wall, the top end of the clamping strip is inserted into the first movable hanging pieces 34, then the second movable hanging pieces 34 are pulled downwards, when the second movable hanging pieces 34 move downwards, the second locking bolt 35 moves downwards in the inner cavity of the frame type upright post 31 and downwards extrudes the compression spring 37, when the second movable hanging pieces 34 move to the bottom end of the clamping strip, the device is adjusted to be parallel to the wall, in this way, the second movable hanging pieces 34 are loosened, under the elastic action of the compression spring 37, the second movable hanging pieces 34 can be clamped at the bottom end of the clamping strip, then the screw 38 is tightened, and at the moment, the state of clamping of the supporting device 3 can be kept stable.

The soft curtain 4 is characterized in that glass fiber rods penetrate through the periphery of the soft curtain 4, the soft curtain 4 is laid on the front face of the inner frame 1, the periphery of the soft curtain 4 is reserved with folded edges to wrap the inner frame 1, the outer frame 2 wraps the soft curtain 4, the soft curtain 4 comprises a curtain body 41, cloth sleeves 42 are fixedly connected on four sides of the curtain body 41, the glass fiber rods are sleeved in the cloth sleeves 42, a plurality of tension springs 6 are sleeved on the four glass fiber rods, the other ends of the tension springs 6 are hooked on the back face of the inner frame 1, the soft curtain 4 is fixed on the inner frame 1 through the tension springs 6, so that the soft curtain 4 is always kept in a flat state, during installation, the glass fiber rods penetrate through the cloth sleeves 42 to ensure that two ends of the glass fiber rods are exposed and are hooked on the glass fiber rods by the tension springs 6, because the reserved edge width of the soft curtain 4 is folded towards the rear side, hooks at the other ends of the tension springs 6 are hung on the inner frame 1, and the soft curtain 4 can be installed, and the tensioning force is uniform, so that the safety of the soft curtain cloth 4 can be ensured.

In one embodiment, the inner frame 1 comprises two cross bars 11, four connecting foot members 12 and two vertical bars 13, and the two cross bars 11, the four connecting foot members 12 and the two vertical bars 13 form a square frame;

the connecting leg piece 12 is arranged at a right angle, the connecting leg piece 12 comprises a right-angle connecting block 121, two inserting strips 122 are arranged on the right-angle connecting block 121, and the inserting strips 122 are fixedly connected with the cross rod 11 and the vertical strips 13 through bolts;

wherein, horizontal pole 11 includes first crossbeam 111 and second crossbeam 112, and first crossbeam 111 right side fixedly connected with connecting block 113, and connecting block 113 pegs graft in the embedded inslot that the left side of second crossbeam 112 was seted up to there is the bolt fastening, and first crossbeam 111 and the second crossbeam 112 back are provided with the spout 114 of intercommunication, and the spout 114 endotheca is equipped with slider 115.

When assembling the device, peg graft the embedded inslot that the left side of second crossbeam 112 was seted up with first crossbeam 111 right side fixedly connected with connecting block 113 to there are two horizontal poles 11 of bolt fastening, all be fixed with connecting leg 12 in the both sides of two horizontal poles 11, insert two vertical retort 13 at the other end of two connecting leg 12, can install fixedly like this with interior framework 1.

In this solution, the sliding block 115 is movable in the sliding slot 114, and a clamping member is further provided on the sliding block 115, which can be tightened after moving the two support devices 3 to a fixed position, so that the support devices 3 can be clamped.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A wall-mounted narrow-sided projection screen comprising an inner frame (1), characterized in that: the inner frame (1) is sleeved with an outer frame (2), the inner frame (1) is subjected to edge covering treatment, and four right-angle edges of the outer frame (2) are fixedly connected with edge covering feet (5) through bolts;

the number of the supporting devices (3) is two, and the two supporting devices (3) are symmetrically distributed on the back of the inner frame (1);

the glass fiber rods penetrate through the periphery of the soft curtain (4), the soft curtain (4) is laid on the front surface of the inner frame (1), and folded edges are reserved on the periphery of the soft curtain (4) and wrapped on the inner frame (1);

tension springs (6), four the cover is equipped with a plurality of tension springs (6) on the glass fiber pole, the other end couple of tension spring (6) is in the back of inner frame (1).

2. A wall-hanging, narrow-sided projection screen as claimed in claim 1, wherein: the inner frame (1) comprises two cross rods (11), four connecting foot members (12) and two vertical bars (13), wherein the two cross rods (11), the four connecting foot members (12) and the two vertical bars (13) form a square frame body.

3. A wall-hanging, narrow-sided projection screen according to claim 2, wherein: the supporting device (3) comprises a frame type stand column (31), wherein the upper end and the lower end of the frame type stand column (31) are fixedly connected with fixed connection irons (310), the fixed connection irons (310) are installed on a sliding block (115) through bolts, the upper side and the lower side of the back face of the frame type stand column (31) are fixedly connected with gradienters (33), the upper gradienter (33) and the lower gradienter are sleeved with a first movable hanging piece (32) and a second movable hanging piece (34), two side edges of the first movable hanging piece (32) wrap the frame type stand column (31) and are fixed on the frame type stand column (31) through two first locking bolts, the upper side of one side opposite to the side edge of the second movable hanging piece (34) is fixedly connected through a sliding strip (39), the sliding strip (39) is fixedly connected through a screw (38), the middle part of the second movable hanging piece (34) is fixedly connected through a second locking bolt (35), and a fastener (36) is sleeved below the inner cavity of the frame type upright post (31), and the top of the fastener (36) is fixedly connected with the side surface of the second locking bolt (35) through a compression spring (37).

4. A wall-hanging narrow-sided projection screen according to claim 3, wherein: the soft curtain (4) comprises a curtain body (41), cloth sleeves (42) are fixedly connected to four sides of the curtain body (41), and the glass fiber rods are sleeved in the cloth sleeves (42).

5. The wall-hanging, narrow-sided projection screen of claim 4, wherein: connecting leg spare (12) are the right angle setting, connecting leg spare (12) include right angle connecting block (121), be provided with two cuttings (122) of right angle connecting block (121), cuttings (122) are through bolt fixedly connected with horizontal pole (11) and vertical retort (13).

6. The wall-hanging, narrow-sided projection screen of claim 5, wherein: horizontal pole (11) include first crossbeam (111) and second crossbeam (112), first crossbeam (111) right side fixedly connected with connecting block (113), connecting block (113) are pegged graft in the embedded inslot that the left side of second crossbeam (112) was seted up to there is the bolt fastening, first crossbeam (111) and second crossbeam (112) back are provided with spout (114) of intercommunication, slider (115) are established to spout (114) endotheca.