CN208092421U - A kind of projection screen bracket - Google Patents

Abstract

The utility model provides a kind of projection screen bracket, including screen mount and fixed hanger；Fixed hanger includes fixed part and support portion, is vertically equipped at least two adjustment holes on fixed part, suspension groove is formed between support portion and mounting surface；Screen mount includes adjustment portion and interconnecting piece, and adjustment portion is suspended in suspension groove and can be relatively fixed the sliding of hanger level；Support construction is formed on support portion and adjustment portion, support construction is used to support screen mount.The utility model can easily install projection screen, the adjusting that can also realize the direction up and down of projection screen without adjusting projection device, easy to operate, time saving and energy saving, reduce labor intensity and installation difficulty.

Description

A kind of projection screen bracket

Technical field

The utility model is related to display technology fields more particularly to the structure of projection screen bracket to improve.

Background technology

Projection screen is one of product most-often used in projector's peripheral equipment, and projection screen is the abbreviation of projection screen； To realize that good drop shadow effect, projection screen are completely corresponding as much as possible with projector.

Currently, projection screen when mounted, generally fixes a change gear on wall in advance（Or hanger）, projection screen The back side is equipped with and the change gear on wall（Or hanger）Then projection screen is passed through its hanging support component by corresponding hanging support component With change gear（Or hanger）Cooperation hang on wall.

Due to using the change gear on position on the projection screen back side certain hanging structure and wall（Or hanger）Into luggage Match, therefore, the change gear being fixed on the wall in advance（Or hanger）Position accuracy demand it is higher, slightly deviation will result in projection Hanging support component on the screen back side and wall change gear（Or hanger）The problem of cannot coordinating, makes projection screen be difficult to install；It is throwing Shadow screen when mounted, needs two people to lift screen, in order to realize that projection device is corresponding with screen, may rely on wall change gear （Or hanger）It is adjustable above and below realizing, while adjustment projector position being needed to carry out left and right adjustment, technology is required in installation process It is higher, the labor intensity and installation difficulty of worker are increased, it is time-consuming and laborious, particularly with large-sized projection screen, due to Its weight is larger, and labor intensity bigger influences working efficiency and user experience.

Invention content

The utility model provides a kind of projection screen bracket, can easily install projection screen, without adjusting projection Equipment can also realize the adjusting in the direction up and down of projection screen, easy to operate, time saving and energy saving, reduce labor intensity and Installation difficulty.

Technical solution provided by the utility model is a kind of projection screen bracket, for projection screen to be installed on installation On face, including the screen mount being laterally arranged and vertically arranged fixation hanger；The fixed hanger includes fixed part and is connected Support portion on fixed part top, for the fixed part for being fixed on the mounting surface, the fixed part upper edge is square vertically To equipped at least two adjustment holes, suspension groove is formed between the support portion and the mounting surface；The screen mount includes Adjustment portion and interconnecting piece positioned at adjustment portion left and right ends, the interconnecting piece with the upper end of projection screen for connecting, the tune Section portion is suspended in the suspension groove and can the relatively described fixed hanger level sliding；Shape on the support portion and the adjustment portion It is used to support the screen mount at having mutually matched support construction, the support construction.

The relatively described fixed part of the support portion is bent to form the suspension groove to away from the direction of the mounting surface；Or The support portion is made of front end panel and rear bearing sheet, there is gap to be formed described between the front end panel and rear bearing sheet Suspension groove.

The support construction includes the top of the support portion and the upper edge for being formed in the adjustment portion and to away from institute The turn-up portion of the direction bending of mounting surface is stated, the top of the support portion is arc, and the turn-up portion is supported on the support portion Top on.

The support construction includes the bottom end of the support portion and the lower edge of the adjustment portion, the adjustment portion it is following Edge is supported on the bottom end of the support portion.

The support construction includes the first support construction and the second support construction, and first support construction includes the branch The top of support part and it is formed in the upper edge of the adjustment portion and to the turn-up portion of the direction bending away from the mounting surface, it is described The top of support portion is arc, and the turn-up portion is supported on the top of the support portion；Second support construction includes institute The bottom end of support portion and the lower edge of the adjustment portion are stated, the lower edge of the adjustment portion is supported on the bottom end of the support portion On.

A side is equipped with turn-up portion at least in the vertical direction two sides of the fixed part.

The interconnecting piece is in L-shaped structure of the relatively described adjustment portion to the direction bending away from the mounting surface comprising The interconnecting piece main body parallel with the adjustment portion and the interconnecting piece end vertical with the adjustment portion are set in the interconnecting piece main body There is connecting hole.

The projection screen bracket further includes flatness regulating member, and the flatness regulating member is used for and the projection The lower end of screen is detachably connected.

The screen mount and fixed hanger are sheet metal component.

Compared with prior art, the utility model projection screen bracket has the advantages that：1, it is fixed It is vertically equipped at least two adjustment holes on the fixed part of hanger, then can select suitably to adjust according to actual needs Hanger is fixed on the positioning in hole, and the up and down adjustment i.e. height for realizing fixed hanger is adjusted, and then realizes the upper of projection screen Lower adjusting；The adjustment portion suspension of screen mount is plugged in the suspension groove formed between the support portion and mounting surface of fixed hanger, And adjustment portion can be relatively fixed the sliding of hanger level, then realize screen mount horizontal direction i.e. left and right directions and adjust, to this Utility model projection screen bracket can realize that there is grade adjusting in direction to projection screen up and down, and adjustment structure is simple, be convenient for Installation, technical difficulty is low, user can autonomous installation and debugging screen, it is time saving and energy saving, reduce labor intensity and installation difficulty；2, shield Screen bracket is coordinated with fixed hanger using suspension, and the requirement to installation accuracy is reduced, easy to operate, improves installation effectiveness.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, other drawings may also be obtained based on these drawings.

Fig. 1 is the utility model projection screen bracket structural schematic diagram；

Fig. 2 is the fixation hanging rack structure schematic diagram of the utility model projection screen bracket；

Fig. 3 is the screen support structure schematic diagram of the utility model projection screen bracket；

The utility model projection screen bracket integral arrangement structure chart when Fig. 4 is installed in place for projection screen（Projection screen Back side visual angle）.

Specific implementation mode

It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts belong to The range of the utility model protection.

As shown in Figure 1 to Figure 3, a kind of projection screen bracket of the present embodiment, for projection screen to be installed on mounting surface 100 On, for example on metope, projection screen bracket includes the screen mount 200 being laterally arranged and vertically arranged fixation hanger 300；Gu Determine hanger 300 and include fixed part 310 and the support portion 320 being connected on 310 top of fixed part, fixed part 310 is for being fixed on On mounting surface 100, and then fixed hanger 300 is made to be integrally attached on mounting surface 100, is vertically equipped on fixed part 310 At least two adjustment holes 311, are formed with suspension groove 400 between support portion 320 and mounting surface 100；Screen mount 200 includes adjusting Portion 210 and interconnecting piece 220 positioned at 210 left and right ends of adjustment portion, interconnecting piece 220 with the upper end of projection screen for connect, tune Section portion 210 is suspended in suspension groove 400 and can be relatively fixed the horizontal sliding of hanger 300；Shape on support portion 320 and adjustment portion 210 It is used to support screen mount 200 at having mutually matched support construction, support construction.

Specifically, as depicted in figs. 1 and 2, fixed hanger 300 is a vertically arranged plate hanger, is support projection screen The main structural components of curtain are vertically equipped at least two adjustment holes 311 on fixed part 310, then in fixation procedure In be fixed by different hole positions and realize that screen or more is adjustable, fixed hanger can as needed up and down adjustment distance carry out it is true Surely the height for fixing hanger 300 can need that suitable adjustment hole 311 is selected position admittedly according to projection screen actual installation Hanger 300 is determined, it can be achieved that adjusting range is 0-505mm up and down by taking 80 cun of screens as an example, it is contemplated that beautiful, intensity and cost because Element, the present embodiment realization ± 54mm up and down adjustments.As shown in figures 1 and 3, screen mount 200 is a plate branch being laterally arranged Frame, its adjustment portion 210 is tablet in the present embodiment, and plate face is parallel to mounting surface 100, when installation condition, as shown in Figure 1, adjusting The suspension of portion 210 is plugged on suspension groove 400, and adjustment portion 210 can be relatively fixed the horizontal sliding of hanger 300, then realize screen Support level direction, that is, left and right directions is adjusted, screen mount 200 can projection screen or so adjustment as needed distance carry out it is true The specific length for determining screen mount 200, by taking 80 cun of screens as an example, adjustable range can realize 0-700mm left and right adjustings, it is contemplated that Beautiful and cost factor selects the adjustable 78mm in left and right.

Screen mount 200 and fixed hanger 300 are sheet metal component in the present embodiment, and due to molding, stability is good.

Using the present embodiment projection screen bracket carry out projection screen installation when, for ensure stability, using left and right two groups The present embodiment projection screen bracket installs projection screen, and by taking mounting surface 100 is metope as an example, specific installation process is as follows：

The first step fixes the two fixed hangers 300 in left and right, as shown in figure 4, two hanger spacing can increase in mounting surface 100 Allowance Design, distance between 1361-1439mm all can, reduce installation accuracy, improve installation effectiveness, initial punch position is solid The center for determining hanger 300 is adopted and is screwed for fixing hanger 300 shown in Fig. 2, and screw is fixed on the 4th 311 hole of adjustment hole position；

The adjustment portion 210 of fixed screen mount 200 at left and right sides of the upper end of the projection screen back side is suspended on pair by second step On the suspension groove 400 that the support portion 320 answered is formed with mounting surface 100, screen mount 200 is by support portion 320 and adjustment portion 210 The support construction of formation is supported, and initial hanging position is the midpoint of projection bracket 200.

After projection screen 600 is installed in place, relative position relation such as Fig. 1 and figure of screen mount 200 and fixed hanger 300 Shown in 4.

The present embodiment projection screen bracket is simple in structure, easy to adjust, is easily installed, screen mount 200 and fixed hanger 300 using suspension cooperation, and when installation, which need to only raise projection screen, makes its screen mount 200 be suspended on fixed hanger 300, Reduce the requirement to installation accuracy, technical difficulty is low, user can autonomous installation and debugging screen, it is time saving and energy saving, reduce labour Intensity and installation difficulty.

Further, in this embodiment its opposite fixed part 310 of the support portion 320 of fixed hanger 300 is to away from mounting surface 100 direction is bent to form suspension groove 400.On the one hand, the support portion 320 of this structure can be cooperatively formed with mounting surface 100 Suspension groove 400, simple in structure, the support portion 320 being on the other hand bent to form also advantageously improves the intensity of fixed hanger 300, And then improve the support reliability of screen.Certainly, suspension groove 400 can be also made of other structures, for example support portion 320 itself is i.e. Groove-like structure can be formed, i.e. suspension groove 400 is arranged on support portion 320, and specifically, support portion 320 can be by front end panel with after Support plate is constituted, and there is gap to form suspension groove between front end panel and rear bearing sheet, i.e. the formation of suspension groove 400 is not limited to this Structure type described in embodiment, is not particularly limited herein.

For being used to support the support construction of screen mount 200, it in the present embodiment includes the top 321 of support portion 320 And be formed on the upper edge of adjustment portion 210 and to the turn-up portion 230 of the direction bending away from mounting surface 100, support portion 320 Top 321 is arc, and turn-up portion 230 is supported on the top of support portion 320, i.e., it is by support portion 320 that screen mount 200 is whole Cambered top end 321 be supported, cambered top end 321 and turn-up portion 230 constitute tangent structure, reduce support portion 320 and adjust The contact area in section portion 210, contact of the approximation point with line, reduces frictional force, then it is smooth that adjustment can be improved when left and right adjusts Degree improves regulated efficiency, this structure type is preferred embodiment, is particularly suitable for the larger projection screen of the larger weight of size.

Certainly, support construction can also be cooperatively formed by the bottom end of support portion 320 and the lower edge of adjustment portion 210, that is, be adjusted The lower edge in section portion 210 is supported on the bottom end of support portion 320, this structure type compared to support portion 320 cambered top end 321 with The fit structure of the upper edge turn-up portion 230 of adjustment portion 210, frictional force is slightly larger, and left and right adjusting smoothness is slightly worse, is applicable to ruler The smaller projection screen of very little lower weight.

Similarly, support construction may be the combination of above two support construction, that is, include the first support construction and second Support construction, the first support construction are the cambered top end 321 of support portion 320 and the upper edge turn-up portion 230 of adjustment portion 210 Fit structure, the second support construction are the bottom end of support portion 320 and the fit structure with the lower edge of adjustment portion 210, that is, are shielded Screen bracket 200 not only supports the upper edge turn-up portion 230 of adjustment portion 210 by the cambered top end 321 of fixed hanger 300, simultaneously The lower edge of adjustment portion 210 is also supported by the bottom end of support portion 320, and this structure type compares above two support construction, rubs Wiping power is big, and left and right adjusting smoothness is poor, is suitable for the small weight projection screen of small size.

Since fixed hanger 300 is the support member of entire screen, itself intensity is even more important, for the fixed hanger of enhancing 300 structural strength, a side is equipped with turn-up portion 330 at least in the vertical direction two sides of fixed part 310, such as schemes Shown in 1 and Fig. 2, preferably its two sides hem processing, turn-up portion 330 are formed, farthest to improve fixed hanger 300 Intensity.

Similarly, for screen mount 200, as shown in figures 1 and 3, interconnecting piece 220 in relative adjustment portion 210 to away from The L-shaped structure of the direction bending of mounting surface 100 comprising the interconnecting piece main body 221 and and adjustment portion parallel with adjustment portion 210 210 vertical interconnecting piece ends 222, interconnecting piece main body 221 are equipped with connecting hole 223, specifically screw can be used to connect projection screen Screen mount 200, is fixed on the back side upper end of projection screen by curtain.The screen mount 200 of this structure type, on the one hand, folding The interconnecting piece 220 of kinking structure helps to improve the integral strength of screen mount 200,210 opposing connections of another aspect adjustment portion Main body 221 has a distance in the longitudinal direction, consequently facilitating the turn-up portion 230 of 210 upper edge of evacuation adjustment portion, is conducive to 200 entirety of screen mount is bonded planarization with the projection screen back side.

To further strengthen the mounting stability of projection screen, and after ensureing that projection screen is installed in place, screen shows Face is vertical plane, avoids tilting, and improves bandwagon effect, and projection screen bracket further includes flatness regulating member in the present embodiment 500, flatness regulating member 500 is used to be detachably connected with the lower end of projection screen, and is resisted against on mounting surface 100.One side Face, flatness regulating member 500 can limit projection screen in front-rear direction（That is projection screen thickness direction）On degree of freedom, make Projection screen is installed in place rear reliable and stable, and on the other hand it is arranged between the lower end of projection screen and mounting surface 100, can be to Before（Deviate from the direction of mounting surface 100）Projection screen is supported, the display surface of projection screen is made to ensure vertically, to carry as much as possible High bandwagon effect.Specifically, flatness regulating member 500 can be the magnetic being adsorbed at left and right sides of the lower end of the projection screen back side Block or structure rack form identical with screen mount described in the present embodiment 200 are removably attached to the projection screen back of the body At at left and right sides of the lower end of face, when flatness regulating member 500 is using rack form identical with 200 structure of screen mount, It is preferred that be arranged in a one-to-one correspondence with screen mount 200, and with screen mount 200 using the width direction center line of screen as symmetry axis pair Claim setting, as shown in Figure 4.In this way, when projection screen is that lifting mode is installed, two flatness adjustment component 500 is alternatively arranged as Screen mount uses, with the fixed cooperation of hanger 300 installation projection screen.

Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that： It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc. With replacement；And these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims (9)

1. a kind of projection screen bracket, for projection screen to be installed on mounting surface, it is characterised in that：Including what is be laterally arranged Screen mount and vertically arranged fixation hanger；The fixed hanger includes fixed part and the support that is connected on fixed part top Portion, the fixed part are used to be fixed on the mounting surface, at least two adjustment holes are vertically equipped on the fixed part, It is formed with suspension groove between the support portion and the mounting surface；The screen mount includes adjustment portion and positioned at adjustment portion or so The interconnecting piece at both ends, for being connect with the upper end of projection screen, the adjustment portion is suspended in the suspension groove interconnecting piece And it can the relatively described fixed hanger level sliding；Mutually matched support knot is formed on the support portion and the adjustment portion Structure, the support construction are used to support the screen mount.

2. projection screen bracket according to claim 1, it is characterised in that：The relatively described fixed part of the support portion is supported or opposed Direction from the mounting surface is bent to form the suspension groove；Or the support portion is made of front end panel and rear bearing sheet, Between the front end panel and rear bearing sheet there is gap to form the suspension groove.

3. projection screen bracket according to claim 2, it is characterised in that：The support construction includes the support portion Top and it is formed in the upper edge of the adjustment portion and to the turn-up portion of the direction bending away from the mounting surface, the support portion Top be arc, the turn-up portion is supported on the top of the support portion.

4. projection screen bracket according to claim 2, it is characterised in that：The support construction includes the support portion The lower edge of bottom end and the lower edge of the adjustment portion, the adjustment portion is supported on the bottom end of the support portion.

5. projection screen bracket according to claim 2, it is characterised in that：The support construction includes the first support construction With the second support construction, first support construction includes the top of the support portion and the upper edge for being formed in the adjustment portion And to the turn-up portion of the direction bending away from the mounting surface, the top of the support portion is arc, and the turn-up portion is supported on On the top of the support portion；Second support construction includes the bottom end of the support portion and the lower edge of the adjustment portion, The lower edge of the adjustment portion is supported on the bottom end of the support portion.

6. projection screen bracket according to claim 1, it is characterised in that：In the vertical direction two sides of the fixed part A side is equipped with turn-up portion at least within.

7. projection screen bracket according to claim 1, it is characterised in that：The interconnecting piece in the relatively described adjustment portion to Away from the L-shaped structure of the direction bending of the mounting surface comprising the interconnecting piece main body parallel with the adjustment portion and with it is described The vertical interconnecting piece end of adjustment portion, the interconnecting piece main body are equipped with connecting hole.

8. projection screen bracket according to claim 1, it is characterised in that：The projection screen bracket further includes flatness Regulating member, the flatness regulating member are used to be detachably connected with the lower end of the projection screen and are resisted against the installation On face.

9. projection screen bracket according to claim 1, it is characterised in that：The screen mount and fixed hanger are metal plate Part.