CN207750698U - A kind of wall hanging rack of projection screen - Google Patents
A kind of wall hanging rack of projection screen Download PDFInfo
- Publication number
- CN207750698U CN207750698U CN201721368446.5U CN201721368446U CN207750698U CN 207750698 U CN207750698 U CN 207750698U CN 201721368446 U CN201721368446 U CN 201721368446U CN 207750698 U CN207750698 U CN 207750698U
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- fixed plate
- fin
- projection screen
- fastener
- wall hanging
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Abstract
The utility model embodiment discloses a kind of wall hanging rack of projection screen, including：First fixed plate, the second fixed plate, the first fastener, the second fastener；The first mounting hole and the second mounting hole are provided in first fixed plate；Slide opening is provided in second fixed plate, slide opening is more than internal diameter in the horizontal direction in the internal diameter of vertical direction；First fastener is used to, across first mounting hole, the first fixed plate be fixed on mounting plane；Second fastener is used to, across slide opening, be detachably mounted on the second mounting hole, second fixed plate is fixed on the upper of first fixed plate.Due to being provided with slide opening in the second fixed plate, and the internal diameter of slide opening in the vertical direction is more than its internal diameter in the horizontal direction, so that when the second fastener is not completely tight, second fixed plate can vertically be moved relative to the first fixed plate under the limit of the second fastener, be conveniently adjusted the installation site of projection screen.
Description
Technical field
The utility model is related to mechanical structure field more particularly to a kind of wall hanging racks of projection screen.
Background technology
With the progress of shadow casting technique, short focus projector starts widely to enter common homes and offices.Short focus
Optical projection system includes short focus projector and projection screen, and projection screen needs to be suspended on mounting plane, in the related technology when
It is fixed on mounting plane by wall hanging rack, wall hanging rack includes two parts, first, for being fixed on consolidating on mounting plane
Fixed rack 11, the other is the connector 12 of projection screen behind is fixed on, as shown in Figure 1, fixing bracket 11 includes first solid
Determine the hook of portion 111 and first 112, fixing bracket 11 passes through, and the first fixed part 111 is fixed on mounting plane, in fixed part 111
On be provided with stretching first hook 112, connector 12 include the second fixed part 121 and second link up with 122, wherein second fix
For mutually being fixed with the projection screen back side, the second hook 122 is stretched out from the second fixed part 121, and can be articulated in the first extension in portion 121
On hook.To realize the fixation of projection screen.
Invention content
The utility model provides a kind of projection screen wall hanging rack, including：First fixed plate, in first fixed plate
It is provided with the first mounting hole and the second mounting hole；Second fixed plate is provided with slide opening in second fixed plate, and the slide opening passes through
Second fixed plate is worn, the slide opening is more than internal diameter in the horizontal direction in the internal diameter of vertical direction；First fastener, it is described
First fastener is used to, across first mounting hole, first fixed plate be fixed on mounting plane；Second fastener,
It across the slide opening, is detachably mounted on second mounting hole, second fixed plate is fixed on described first
Fixed plate it is upper.
Due to being provided with slide opening in the second fixed plate, and the internal diameter of the slide opening in the vertical direction is more than it in level side
Upward internal diameter so that when the second fastener is not completely tight, the second fixed plate can be under the limit of the second fastener
It is vertically moved relative to the first fixed plate, is conveniently adjusted the installation site of projection screen.
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 only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the wall hanging rack of projection screen in the related technology；
Fig. 2 is a kind of explosive view of the projection screen wall hanging rack provided in the utility model；
Fig. 3 is a kind of schematic diagram of the first fixed plate of the projection screen wall hanging rack provided in the utility model；
Fig. 4 is a kind of schematic diagram of the second fixed plate of the projection screen wall hanging rack provided in the utility model；
Fig. 5 is a kind of scheme of installation of the projection screen wall hanging rack provided in the utility model；
Fig. 6 is the scheme of installation of another projection screen wall hanging rack provided by the utility model；
Fig. 7 is the scheme of installation of another projection screen wall hanging rack provided by the utility model.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that term "center", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The method or position relationship shown, are merely for convenience of describing the present invention and simplifying the description, and in addition to explicitly defining, do not imply that
Show or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot manage
Solution is limitations of the present invention.
Term " first ", " second " are used for description purposes only, be not understood to indicate or imply relative importance or
It implicitly indicates or what is implied includes one or more technical characteristic.The feature of " first ", " second " is defined as a result,
It can explicitly or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated,
The meaning of " plurality " is two or more.
The utility model provides a kind of projection screen wall hanging rack, which includes the first fixed plate
With the second fixed plate, the first fixed plate is used to be fixed on mounting plane by the first fastener, and the second fixed plate passes through second
Fastener is fixed on the second mounting hole of the first fixed plate, is provided at the top of second fixed plate for hanging projection screen
The suspension part of curtain.Due to being provided with slide opening in the second fixed plate, and the internal diameter of the slide opening in the vertical direction is more than it in water
Square upward internal diameter so that when the second fastener is not completely tight, the second fixed plate can be in the limit of the second fastener
It is vertically moved relative to the first fixed plate under position, is conveniently adjusted the installation site of projection screen.
In some embodiments, it is provided with the first jog on the surface of the second fixed plate of direction of the first fixed plate, the
It is provided with the second jog on the surface of the first fixed plate of direction of two fixed plates, it is solid to be fastened on first in second fixed plate
When fixed board, the first jog is meshed with the second jog.The presence of jog can increase the first fixed plate and second and fix
Frictional force between plate, so that when the second fastener fastens, the frictional force between two contact surfaces can meet suspension projection
The demand of screen.
In some embodiments, the first jog is the first fin being mutually parallel, and the second jog is mutually parallel
Second fin.What is be mutually parallel convex stupefied can provide more regular contact surface.And first angle of inclination of fin and second convex
The angle of inclination of rib is identical so that and the first fin and the second fin can be meshed, when the second fastener fastens completely, first
Fixed plate and the second fixed plate can be in close contact, while increasing frictional force, to the second fixed plate and the first fixed plate it
Between think that relative rotation is limited.
In some embodiments, the first fin and the second fin in the horizontal direction so that can be after intermeshing
Larger active force is provided on vertical direction, as another embodiment, on the first fin and the second fin and horizontal direction
There are certain angle, which is greater than or equal to 0 °, is less than 90 °.
In some embodiments, the spacing between the first fin is equal with the spacing between the second fin, or, the first fin
Between spacing integral multiple or second fin of the spacing between the second fin between spacing be spacing between the first fin
Integral multiple.This makes the first fin and the better engagement of the second fin, avoids caused by convex stupefied height is to intermeshing
Puzzlement.
As shown in Fig. 2, in a kind of embodiment provided by the utility model, projection screen fixing bracket includes first solid
Fixed board 21, the second fixed plate 22, the first fastener 23, the second fastener 24 are provided with the first mounting hole in first fixed plate 21
211, the second mounting hole 212, the first fin 213, the second fixed plate 22 includes flat part 221 and suspension part 222, is set on flat part
It is equipped with the second fin 2211, slide opening 2212.
Particularly, as shown in figure 3, the first fin 212 is arranged on the first face of the first fixed plate 21, the first face refers to
Towards the one side of the second fixed plate in first fixed plate.First mounting hole 211 be arranged the region equipped with the first fin 213 it
Outside, the first mounting hole 211 runs through the first fixed plate 21, and the first fastener 23 is used to fix first across the first mounting hole 211
Plate 21 is fixed on mounting plane.
First mounting hole is at least 1, to realize fixation of first fixed plate in mounting plane, as another realization side
Formula can be two or more, be that the first mounting hole is two in the embodiments of the present invention, and is vertically distributed.
Wherein vertical direction refers to the vertical direction in attached drawing 2, namely in the mounted state perpendicular to the direction of horizontal plane, vertical direction
It is not in absolute sense perpendicular to 90 ° of the direction of horizontal plane, ± 10 ° of deviation is allowed, that is to say, that with level
Face is at the vertical direction that 80 ° to 100 ° of aspect can be considered as the utility model, this is because in actual application,
Mounting plane leads to the first mounting plate provided by the utility model in the mounted state because there are certain errors for detail design
There are certain errors.
The first mounting hole includes 2 in one embodiment, the aperture of one of them its horizontal direction and vertical direction
Aperture differ, and the aperture of vertical direction is more than the aperture of horizontal direction, and the aperture of horizontal direction is slightly larger than the first fastening
The diameter of part, the first fastener passes through when allowing installation.The aperture of vertical direction allows not completely tight in the first fastener
In the state of, the first fixed plate can do the adjustment of vertical direction relative to mounting plane.The purpose is to work as to have multiple practicalities
When novel hanger is mounted on same mounting plane, construction personnel can be made to be adjusted relative to other mounted first fixed plates
The mounting height of first fixed plate to be installed keeps its highly consistent.When 2 mounting holes of the first mounting hole are all by the first fastening
After part locking, the first fixed plate will be locked relative to mounting plane, cannot relatively move or rotate, in all directions
Own degree is limited.First mounting hole can be arranged with fin area coincidence or be arranged arbitrary outside the first fin region
Position.
As shown in figure 3, that first for being provided with and being mutually parallel on the first face of the first fixed plate is arranged is convex for the first fin
Rib, parallelly distribute on, horizontal direction refer to vertical with vertical direction in Fig. 2 and are parallel to paper the first fin in the horizontal direction
The direction parallel with horizontal plane under direction namely installation condition, horizontal direction are not the direction of the horizontal plane in absolute sense
0 °, ± 10 ° of deviation is allowed, that is to say, that with horizontal plane at -10 ° to 10 ° of aspect can is considered as this reality
With novel horizontal direction, this is because in actual application, mounting plane causes because detail design is there are certain error
There is also certain errors in the mounted state for first mounting plate provided by the utility model.
In a kind of embodiment of the utility model, as shown in figure 3, the second mounting hole 212 is arranged in the first fin region
It is interior, wherein the first fin region refers to the region for being provided with the first fin.Second mounting hole be 1 or or more, it is solid second
Determine hole be it is two or more when, the second mounting hole is vertically distributed.At this point, since the slide opening in the second fixed plate is vertical
Internal diameter on direction is more than the internal diameter of slide opening in the horizontal direction.During the installation process, the second fastener is mounted on by slide opening
On second mounting hole, when the relative position to mounting plate is adjusted, the second fastener not exclusively can be fastened or be removed,
Second fixed plate can moved relative to the first fixed plate in the vertical direction.When the second fastener tightens i.e. complete fastening,
The second fin in second fixed plate is meshed with the first fin in the first fixed plate so that becomes in the frictional force of vertical direction
Greatly, the movement of the second fixed plate in the vertical direction and the rotation on vertical plane are limited.At this point, slide opening is in the horizontal direction
Internal diameter is slightly larger than the outer diameter of the second fastener, and the movement of the second fastener in the horizontal direction will receive limitation.Second mounting hole
Different location or multiple positions the second fixed plate can be made solid with first with slide opening interaction when the second fastener is installed
Relative position range when fixed board is adjusted is limited.Illustratively, if the second fastener is only installed at intermediate second and fixes
Hole site, then the upward adjustable extent of the second fixed plate is 50% length of slide opening.If the second fastener is mounted on second and fixes
A most upper position in hole, then the second fixed plate can adjust the length range of entire slide opening.In another of the utility model
In embodiment, the second mounting hole 212 is arranged outside the first fin region, can be in any position outside first area.
As shown in figure 4, the second fixed plate includes flat part and suspension part, suspension part is located at the top of flat part, in Fig. 4
Shown, the part above dotted line is suspension part, and the part below dotted line is flat part.Flat part is in its first fixed plate of direction
The second fin 2211 being mutually parallel is provided on second face, parallelly distribute on, the second fixed plate exist the second fin in the horizontal direction
It is provided in the region of the second fin and is provided with slide opening, slide opening runs through the second fixed plate, as another realization method, slide opening
It can be arranged outside the region of the second fin, the second slide opening is passed through with then the second fastener, is fastened completely in the second fastener
In the second mounting hole, the second fin can be meshed with the first fin.Wherein the second fin region refers to the second fin of setting
Region.
Internal diameter on vertical direction is more than the internal diameter of slide opening in the horizontal direction so that the second fastener 24 non-fully
When being fastened on the second mounting hole 212, the second fixed plate 22 can be moved relative to the first fixed plate 21 in the vertical direction, be used for
Adjust relative position.Wherein, fastening completely, refers to that the second fastener compresses the second fixed plate 22 and the first fixed plate 21, makes
First fin and the second fin are meshed, and non-fully fasten, and refer to that the second fastener is connected on the second mounting hole, but will not
Second fixed plate and the first fixed plate compress, and the first fin and the second fin do not engage, and the first fixed plate and the second fixed plate can
To do relative displacement.
The aperture of horizontal direction is slightly larger than the diameter of the second fastener.To meet the needs of processing technology.
As a kind of achievable mode, the first fastener can be screw, can also be setscrew.Second fastener
Can be screw, the second mounting hole is threaded hole at this time；Second fastener may be the pillar with claw, and second is solid at this time
It is the via with buckle to determine hole.
In some embodiments, as shown in figure 3, being additionally provided with vertically on the first face of the first fixed plate
The limit protrusion 214 of extension, limit protrusion 214 are arranged except the region equipped with the first fin, specifically incite somebody to action, can be same
The left or right side in the region of the first fin, the extension of the extending direction of limit protrusion 214 and the first fin are provided in plane
Direction is perpendicular, and when the second fixed plate is fixed in the first fixed plate, the limit protrusion 214 can limit the second fixed plate
Displacement on obtaining in the horizontal direction.
In some embodiments, as shown in figure 3, may include the first protruding portion 215, the first protruding portion 215,
Another boss 215 is additionally provided on first face of one fixed plate, the boss 215 is relative to being provided with the first fin
Region 213 be arranged in the other side of limit protrusion 214, it is right during the installation process that the setting of the protrusion 215 is easily installed personnel
First fixed plate is grasped so that installation process is more convenient.
As shown in figure 5, in the mounted state, the second fixed plate is fixed in the first fixed plate, the first fin and second convex
Rib is meshed, and the top of the first fixed plate is stretched out in the suspension part of the second fixed plate, to hang the projection screen.Due to first solid
The presence of fixed board, has gap between suspension part and mounting plane, the projection screen can be hung using above-mentioned gap.
In some embodiments in the present embodiment, horizontal bubble device 216 is additionally provided in the first fixed plate.Bubble fills
It sets parallel with the first level fin in the first fixed plate.For check when mounted the first fixed plate in mounting plane whether
Horizontally or vertically.So that installation process is more convenient.
In some embodiments in the present embodiment, as shown in fig. 6, having graduation indication in 217 surface markers of the first protruding portion.
Arrow corresponding with scale 2213 is provided on the third face of the second fixed plate, wherein the third face of the second fixed plate and
Second face of two fixed plates is oppositely arranged on the both sides of the second fixed plate.Adjusting the opposite of the first fixed plate and the second fixed plate
It, can be as the reference of relative displacement adjustment amount when position.
As shown in fig. 7, the first fixed plate is 31, the second fixed plate is 32, the first fastener 33, the second fastener 34.
It is provided in one fixed plate for the first fixed plate 31 to be fixed on mounting plane by through-hole 311.It is set in first fixed plate
It is equipped with the first fin 312, is provided in 313. second fixed plate of the first scale in the side of the first fin and is additionally provided with slide opening
3212, the second fixed plate is fixed in the first fixed plate by the second fastener 34 across slide opening, is provided in the second fixed plate flat
Straight portion 321, suspension part 322 in the one side of the first fixed plate of direction of flat part 321, are provided with level convex stupefied 3212, flat part
321 side far from the first fixed plate is provided with level meter 3214.
Suspension part 322 is located at the top of flat part, and mutually the side far from the first fixed plate is bent upwards, to be fixed first
Gap is formed between plate and the second fixed plate, to accommodate the hanger of projection screen.
In the present embodiment, hangs a projection screen and need two or more this hangers.Due to being removed water between two hangers
Flat requirement for height is unanimously outer, not other restrictive conditions.Therefore the clipping room of two independent hangers is away from can be less than screen
The arbitrary dimension of suspension part.It can be adapted for discontinuous metope installation.As wooden frame plus gypsum board structure are built.It should will hang in principle
To achieve the purpose that weigh in frame installation and wooden frame.Therefore it is carried out example and solves installation fixing position well and set asking for selection
Topic.To be used cooperatively with the hanger of the present embodiment, the suspended portion of corresponding projection screen should be continuous beam structure.Due to peace
The wooden frame for filling plane might not be with desired installation site central symmetry.The projection screen mounting portion of beam structure, and should not
Ask screen suspension part and hanger installation site symmetrical.Therefore it can be very good to solve wooden frame installation site and screen position be non-central
Symmetrical problem.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (10)
1. a kind of wall hanging rack of projection screen, including：
First fixed plate is provided with the first mounting hole and the second mounting hole in first fixed plate；
Second fixed plate, slide opening is provided in second fixed plate, and the slide opening runs through second fixed plate, the slide opening
It is more than internal diameter in the horizontal direction in the internal diameter of vertical direction；
First fastener, first fastener are used to, across first mounting hole, first fixed plate is fixed on peace
It fills in plane；
Second fastener passes through the slide opening, is detachably mounted on second mounting hole, by second fixed plate
It is fixed on the upper of first fixed plate.
2. the wall hanging rack of projection screen as described in claim 1, which is characterized in that
It is provided with the first fin being mutually parallel on the surface of the second fixed plate of direction of first fixed plate；
Second fixed plate, including flat part and suspension part, the second face of direction first fixed plate of the flat part
It is provided with the second fin being mutually parallel, the slide opening is located at the flat part；
Under the complete tightening state of the second fastener, first fin is meshed with second fin and by described second
Fixed plate is fixed on the first face of first fixed plate.
3. the wall hanging rack of projection screen as claimed in claim 2, which is characterized in that
Horizontally extending second fin of first fin is horizontally extending.
4. the wall hanging rack of projection screen as claimed in claim 2, which is characterized in that
Between between the integral multiple or second fin of spacing of the spacing between the second fin between first fin
Integral multiple away from the spacing between the first fin.
5. the wall hanging rack of projection screen as claimed in claim 2, which is characterized in that
Second fastener is under non-fully tightening state, and first fin does not engage with second fin, described second
Under the limit of fastener, second fixed plate can be moved vertically relative to first fixed plate.
6. the wall hanging rack of projection screen as claimed in claim 2, which is characterized in that the slide opening is on the vertical direction
Diameter be more than second fin region the length of the vertical direction half, and be less than or equal to second fin
Length of the region in the vertical direction.
7. the wall hanging rack of projection screen as claimed in claim 2, which is characterized in that on the first face of first fixed plate
It is additionally provided with limit protrusion, the limit protrusion is located at the left side and/or right side in the region for being provided with first fin.
8. the wall hanging rack of projection screen as described in claim 1, which is characterized in that second mounting hole is two or two
More than a, and vertically arrange.
9. the wall hanging rack of projection screen as claimed in claim 7, which is characterized in that be provided with quarter on the limit protrusion
It spends, the pointer for being used to indicate the scale is provided in the plane far from first fixed plate of second fixed plate.
10. the wall hanging rack of projection screen as claimed in claim 2, which is characterized in that in the mounted state, the suspension part
The top for stretching out first fixed plate, the gap between the suspension part and the mounting plane is for hanging the projection screen
Curtain.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721368446.5U CN207750698U (en) | 2017-10-23 | 2017-10-23 | A kind of wall hanging rack of projection screen |
| US15/832,541 US10436381B2 (en) | 2017-10-23 | 2017-12-05 | Wall-hung bracket for projection screen |
| PCT/CN2017/114606 WO2019080268A1 (en) | 2017-10-23 | 2017-12-05 | Wall-mounted bracket for projection screen |
| CN201780089917.5A CN110945274B (en) | 2017-10-23 | 2017-12-05 | Wall hanging support for projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721368446.5U CN207750698U (en) | 2017-10-23 | 2017-10-23 | A kind of wall hanging rack of projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207750698U true CN207750698U (en) | 2018-08-21 |
Family
ID=63146168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721368446.5U Active CN207750698U (en) | 2017-10-23 | 2017-10-23 | A kind of wall hanging rack of projection screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207750698U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021159887A1 (en) * | 2020-02-12 | 2021-08-19 | 深圳光峰科技股份有限公司 | Projection screen device |
| WO2021164439A1 (en) * | 2020-02-18 | 2021-08-26 | 深圳光峰科技股份有限公司 | Projection screen structure |
-
2017
- 2017-10-23 CN CN201721368446.5U patent/CN207750698U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021159887A1 (en) * | 2020-02-12 | 2021-08-19 | 深圳光峰科技股份有限公司 | Projection screen device |
| WO2021164439A1 (en) * | 2020-02-18 | 2021-08-26 | 深圳光峰科技股份有限公司 | Projection screen structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee after: Hisense Video Technology Co., Ltd Address before: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee before: Qingdao Haixin Electrical Appliance Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |