CN208255614U - A kind of projection screen mounting device - Google Patents
A kind of projection screen mounting device Download PDFInfo
- Publication number
- CN208255614U CN208255614U CN201820864956.XU CN201820864956U CN208255614U CN 208255614 U CN208255614 U CN 208255614U CN 201820864956 U CN201820864956 U CN 201820864956U CN 208255614 U CN208255614 U CN 208255614U
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- installation code
- backboard
- installation
- projection screen
- top plate
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Abstract
The utility model discloses a kind of projection screen mounting devices, including installation code backboard and installation code top plate, the installation code top plate is hinged on the upper end of the installation code backboard, the installation code top plate and installation code backboard connect into inverted L-shaped, the installation code backboard includes the vertical mounting surface positioned at outside portion, the installation code top plate includes the horizontal mounting surface positioned at top, the lower end of the installation code backboard is equipped with opening up support slot, the extension end of the installation code top plate is equipped with level trough of the opening towards hinged end, the first elastic component is connected between the installation code backboard and the installation code top plate, the installation code top plate keeps vertical with installation code backboard under the elastic force effect of the first elastic component.The versatility of the present apparatus is good, can meet the multiple mounting modes of projection screen.
Description
Technical field
The utility model relates to projection screen technical field, in particular to a kind of projection screen mounting device.
Background technique
The installation of projection screen is generally divided into back hanging type installation, pushes up hanging installation and lift-on/lift-off type installation, most of projection screen
It is all the installation that various modes are realized by installation code plate.
In order to complete the installation of projection screen, existing installation code is substantially in conjunction with the specific a certain installation side of projection screen
Formula is designed production.When projection screen needs to be transformed into another mounting means, the installation code of script will be no longer applicable in, and be needed
Replace another installation code corresponding with mounting means.Therefore, existing installation code versatility is poor, can not meet simultaneously
The mounting means of a variety of projection screens.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of good projection screen mounting devices of versatility.
Used technical solution to solve above-mentioned technical problem: a kind of projection screen mounting device, including installation code backboard
With installation code top plate, the installation code top plate is hinged on the upper end of the installation code backboard, the installation code top plate and installation
Code backboard connects into inverted L-shaped, and the installation code backboard includes the vertical mounting surface positioned at outside portion, and the installation code top plate includes
The lower end of horizontal mounting surface positioned at top, the installation code backboard is equipped with opening up support slot, the installation code top
The extension end of plate is equipped with level trough of the opening towards hinged end, is connected between the installation code backboard and the installation code top plate
First elastic component, the installation code top plate keep vertical with installation code backboard under the elastic force effect of the first elastic component.
Further, the top of the support slot is equipped with the buckle being hinged on the inside of installation code backboard, on the support slot
Equipped with a notch, the lower end of the buckle passes through notch, is connected with the second elastic component between the buckle and installation code backboard,
Block is formed on the side wall of the notch, the buckle is connected on block under the elastic force effect of the second elastic component, the button
Protrusion forms retention bead to the side wall of plate forward.
Further, the side wall of the buckle forward extends out the fixed part to be formed below retention bead, the fixation
Portion is not higher than the slot bottom of support slot, and the fixed part is equipped with threaded hole, is connected with adjusting screw in the threaded hole.
Further, the two sides of the installation code top plate bend downward to form hinged otic placode, and the two of the installation code backboard
Side forward fold forms support plate, the hinged otic placode and support plate and realizes hinged, the support plate and button by the first pin shaft
Realized by the second pin shaft hinged in the upper end of plate.
Further, first elastic component and the second elastic component are torsional spring, and the main body of the torsional spring is set in
On first pin shaft and the second pin shaft.
Further, the upper end of the buckle has an opening, and the torsional spring is arranged in opening, the torsional spring its
In a free steel wire end be connected to installation code backboard on, another free steel wire end pass through be open after be connected to the interior of buckle
On side wall.
Further, the rear end of the installation code top plate bends downward to form side plate, and the side plate is located at the first pin shaft
Top, the side plate and installation code backboard between spacing be greater than the first pin shaft center line and installation code backboard between
Away from.
Further, several installation hole locations are equipped on the vertical mounting surface and horizontal mounting surface.
The utility model has the advantages that the vertical mounting surface for installing code backboard is first fixedly mounted on vertical wall when installing using back hanging type
On body, then the installation on projection screen top is linked up with and is embedded in level trough, jacked up projection screen then up and make that code top plate is installed
It up overturns, then the installation hook of projection screen lower part is adjusted to the top of alignment support slot, put down projection screen and installation is hung
Hook is embedded in support slot, and under the action of the first elastic component, installation code top plate resets, and completes the back hanging type installation of projection screen.
When similarly, using hanging installation and lift-on/lift-off type installation is pushed up, using adjustable between installation code backboard and installation code top plate
Whole property is realized that projection screen upper and lower part installation hook is smoothly embedded in level trough and support slot well, and then is realized
The smooth installation of the multiple mounting modes of projection screen.The versatility of the present apparatus is good, can meet the multiple mounting modes of projection screen.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawings and examples:
Fig. 1 is the assembling schematic diagram of projection screen mounting device；
Fig. 2 is the overall structure diagram of projection screen mounting device；
Fig. 3 is the first process status schematic diagram that back hanging type installs projection screen；
Fig. 4 is the second process status schematic diagram that back hanging type installs projection screen；
Fig. 5 is the third process status schematic diagram that back hanging type installs projection screen；
Fig. 6 is the 4th process status schematic diagram that back hanging type installs projection screen；
Fig. 7 is the 5th process status schematic diagram that back hanging type installs projection screen；
Fig. 8 is the 6th process status schematic diagram that back hanging type installs projection screen；
Fig. 9 is the first process status schematic diagram of the hanging installation projection screen in top；
Figure 10 is the second process status schematic diagram of the hanging installation projection screen in top；
Figure 11 is the third process status schematic diagram of the hanging installation projection screen in top；
Figure 12 is the 4th process status schematic diagram of the hanging installation projection screen in top；
Figure 13 is the 5th process status schematic diagram of the hanging installation projection screen in top；
Figure 14 is the 6th process status schematic diagram of the hanging installation projection screen in top；
Figure 15 is the 7th process status schematic diagram of the hanging installation projection screen in top；
Figure 16 is the first process status schematic diagram that suspension type installs projection screen；
Figure 17 is the second process status schematic diagram that suspension type installs projection screen；
Figure 18 is the third process status schematic diagram that suspension type installs projection screen；
Figure 19 is the 4th process status schematic diagram that suspension type installs projection screen；
Figure 20 is the 5th process status schematic diagram that suspension type installs projection screen；
Figure 21 is the 6th process status schematic diagram that suspension type installs projection screen；
Figure 22 is the 7th process status schematic diagram that suspension type installs projection screen.
Specific embodiment
Referring to Fig.1~2, a kind of projection screen mounting device of the utility model embodiment, including the installation code back being hinged
Plate 1 and installation code top plate 2, specifically, the rear end of installation code top plate 2 are hinged on the upper end of installation code backboard 1, so that installation
Code top plate 2 connect to form inverted L-shaped with installation code backboard 1.The lower end for installing code backboard 1 is equipped with opening up support slot 11,
Support slot 11 is to be formed by the lower end of installation code backboard 1 by twice bending process；The extension end of installation code top plate 2 is equipped with
The level trough 21 being open towards hinged end, level trough 21 are to be formed by the front end of installation code top plate 2 by twice bending process
's.Correspondingly, the top and side of projection screen are provided with installation hook 8, in installing under state, installation hook 8 is embedded in
In support slot 11 and level trough 21, to realize that the installation of projection screen is fixed.Connect between installation code backboard 1 and installation code top plate 2
It is connected to the first elastic component, installation code top plate 2 keeps vertical with installation code backboard 1 under the elastic force effect of the first elastic component.Specifically
The two sides on ground, installation code top plate 2 bend downward to form hinged otic placode 22, and the two sides forward fold of installation code backboard 1 forms support
The rear end of plate 13, hinged otic placode 22 stretches between support plate 13, is respectively provided with through-hole simultaneously on hinged otic placode 22 and support plate 13
It is realized hingedly by the first pin shaft 5.The rear end of installation code top plate 2 bends downward to form side plate 23, and side plate 23 is located at the first pin
The top of axis 5, the spacing between side plate 23 and installation code backboard 1 are greater than between 5 center line of the first pin shaft and installation code backboard 1
Spacing.First elastic component is the torsional spring 7 being sleeved on the first pin shaft 5, and the free steel wire end of torsional spring 7 is connected to 23 He of side plate respectively
It installs on code backboard 1, hinged otic placode 22 is connected on installation code backboard 1, and under the action of torsional spring 7, installation code top plate 2 is protected substantially
It holds vertical with installation code backboard 1.
The outside portion for installing code backboard 1 is vertical mounting surface, and the top of installation code top plate 2 is horizontal mounting surface, vertical to pacify
It is equipped with several installation hole locations on dress face and horizontal mounting surface, be easy to implement installation code backboard 1 or the fixed peace of code top plate 2 is installed
Dress.
When being installed using back hanging type, first the vertical mounting surface for installing code backboard 1 is fixedly mounted on vertical wall, then will
The installation hook 8 on projection screen top is embedded in level trough 21, is jacked up projection screen then up and is made installation code top plate 2 is past to turn over
Turn, then the installation hook 8 of projection screen lower part is adjusted to the top of alignment support slot 11, puts down projection screen and make installation hook 8
It is embedded in support slot 11, under the action of torsional spring 7, installation code top plate 2 resets, and completes the back hanging type installation of projection screen.Similarly,
When using pushing up hanging installation and lift-on/lift-off type installation, using adjustable between installation code backboard 1 and installation code top plate 2
Property, realize that projection screen upper and lower part installation hook 8 is smoothly embedded in level trough 21 and support slot 11 well, Jin Ershi
The smooth installation of the multiple mounting modes of existing projection screen.The versatility of the present apparatus is good, can meet the multiple mounting modes of projection screen.
Also, the fixed installation of projection screen, flexibly and easily, good operability are realized using the present apparatus.
Preferably, the top of support slot 11 is equipped with the buckle 3 for being hinged on 1 inside of installation code backboard, set on support slot 11
There is a notch 12, the lower end of buckle 3 passes through notch 12, is connected with the second elastic component between buckle 3 and installation code backboard 1, lacks
Block is formed on mouthfuls 12 side wall, buckle 3 is connected on block under the elastic force effect of the second elastic component, the side wall of buckle 3 to
Preceding protrusion forms retention bead 31.Specifically, the upper end of buckle 3 is provided with through-hole, and the upper end of support plate 13 and buckle 3 is logical
It crosses the second pin shaft 6 to realize hingedly, the second elastic component is the torsional spring 7 being sleeved on the second pin shaft 6, and the upper end of buckle 3 has one
Opening, torsional spring 7 are arranged in opening, and one of free steel wire end of torsional spring 7 is connected on installation code backboard 1, another
Free steel wire end is connected on the inner sidewall of buckle 3 after passing through opening.Under the action of torsional spring 7, the front side of buckle 3, which is supported, to be kept off
On block, block plays the role of limit, avoids buckle 3 and pops up notch 12.Under normal condition, positioned at 3 front side wall of buckle
It is located at the top of support slot 11 to retention bead 31, the top of the installation hook 8 of projection screen lower end is provided with a laterally limit
Position portion.In order to be embedded in installation hook 8 in support slot 11, installation hook 8 is supported in retention bead 31 first and applies pressure
Power, so that buckle 3 overcomes the elastic force of torsional spring 7 and swings close to installation code backboard 1, once installation hook 8 is adjusted to support slot 11
Top, projection screen is put down, so that installation hook 8 is embedded in support slot 11, at this point, retention bead 31 leaves installation hook 8
Side wall, under the elastic force effect of torsional spring 7, buckle 3 resets, and retention bead 31 turns to the cross spacing portion of installation hook 8
Top realizes the limit of installation hook 8.
Meanwhile the side wall of buckle 3 forward extends out the fixed part 32 to be formed positioned at 31 lower section of retention bead, the width of fixed part 32
Degree is slightly less than the width of notch 12, and fixed part 32 is not higher than the slot bottom of support slot 11, and fixed part 32 is avoided to bear the weight of projection screen
Amount.Fixed part 32 is equipped with threaded hole, is connected in threaded hole and adjusts screw 4, tightens and adjusts screw 4, so that adjusting screw 4
It supports in the bottom of installation hook 8 end.Under the cooperation of retention bead 31, the limit on installation 8 upward and downwards of hook is realized.
Support slot 11 can realize the front and back limit of installation hook 8 simultaneously, and support plate 13 can realize the left and right limit of installation hook 8.Ensure
The firm installation of projection screen.
Fig. 3~Fig. 8 is the status diagram for the various process that back hanging type installs projection screen, and rough installation process is such as
Under: code backboard 1 will be installed by bolt and be fixed on installation wall；Code top plate 2 will be installed by projection screen again to jack up upwards, and
The installation hook 8 of upper end is embedded in level trough 21；Then projection screen is rotated clockwise, so that the installation hook 8 of side
It supports in retention bead 31, buckle 3 overcomes the elastic force of torsional spring 7 and swings close to installation code backboard 1, until installation hook 8
In the top of support slot 11；Projection screen is pulled downward on, so that the installation hook 8 of side is embedded in support slot 11；Tighten adjusting
Screw 4 realizes the limit of projection screen side installation hook 8, completes the back hanging type installation of projection screen.
Fig. 9~Figure 15 is the status diagram of the various process of the hanging installation projection screen in top, and rough installation process is such as
Under: code top plate 2 will be installed by bolt and be fixed on installation wall；It is opened to the left by projection screen by code backboard 1 is installed again, together
When hold up pulling of being turned right after projection screen again upwards so that the installation hook 8 of upper end is smoothly embedded in level trough 21；Then suitable
Hour hands rotate projection screen, so that the installation hook 8 of side is supported in retention bead 31, buckle 3 overcomes the elastic force of torsional spring 7 and leans on
Nearly installation code backboard 1 is swung, until installation hook 8 is located at the top of support slot 11, projection screen is pulled downward on, so that the peace of side
Dress hook 8 is embedded in support slot 11, then projection screen is rotated counterclockwise, and ajusts projection screen；It tightens and adjusts screw 4, realize and throw
The limit of shadow curtain side installation hook 8, completes the hanging installation in top of projection screen.
Figure 15~Figure 22 is the status diagram for the various process that suspension type installs projection screen, and rough installation process is such as
Under: chain sling end is fixed on for code top plate 2 is installed by bolt, and projection screen is lifted to the lower section of mounting device；Obliquely
Pressing installation code top plate 2, so that the 8 alignment level trough 21 of installation hook of projection screen upper end, then the dynamic installation code of horizontal direction Zola
Top plate 2, so that installation hook 8 is embedded in level trough 21；The code backboard 1 of pressing installation to the right, so that installation code backboard 1 is adjacent to throwing
Shadow curtain side, while installation code backboard 1 is pressed down on, so that installation hook 8 is supported in the retention bead 31 of buckle 3, buckle 3
Overcome the elastic force of torsional spring 7 and swung close to installation code backboard 1, so that installation hook 8 is located at the top of support slot 11；Again obliquely
Promotion code backboard 1 is installed so that the installation hook of side 8 is embedded in support slot 11, installation code backboard 1 and installation code top plate
2 restore orthogonal state substantially；It tightens and adjusts screw 4, realize the limit of projection screen side installation hook 8, complete projection
The suspension type installation of curtain.
The embodiments of the present invention is explained in detail above in conjunction with attached drawing, but the utility model is not limited to
State embodiment, within the scope of knowledge possessed by those of ordinary skill in the art, can also do not depart from it is practical
Various changes can be made under the premise of novel objective.
Claims (8)
1. a kind of projection screen mounting device, it is characterised in that: including installation code backboard and installation code top plate, the installation code top plate
It is hinged on the upper end of the installation code backboard, the installation code top plate and installation code backboard connect into inverted L-shaped, the installation code
Backboard includes the vertical mounting surface positioned at outside portion, and the installation code top plate includes the horizontal mounting surface positioned at top, the peace
The lower end for filling code backboard is equipped with opening up support slot, and the extension end of the installation code top plate is equipped with opening towards hinged end
Level trough, the first elastic component is connected between the installation code backboard and the installation code top plate, the installation code top plate exists
The elastic force effect of first elastic component is lower to keep vertical with installation code backboard.
2. projection screen mounting device according to claim 1, it is characterised in that: the top of the support slot is equipped with and is hinged on
Buckle on the inside of code backboard is installed, the support slot is equipped with a notch, and the lower end of the buckle passes through notch, the buckle
It is connected with the second elastic component between installation code backboard, forms block on the side wall of the notch, the buckle is in the second elasticity
It is connected on block under the elastic force effect of part, protrusion forms retention bead to the side wall of the buckle forward.
3. projection screen mounting device according to claim 2, it is characterised in that: the side wall of the buckle forward extends out to be formed
Fixed part below retention bead, the fixed part are not higher than the slot bottom of support slot, and the fixed part is equipped with threaded hole,
Adjusting screw is connected in the threaded hole.
4. projection screen mounting device according to claim 3, it is characterised in that: the two sides of the installation code top plate are turned under
Folding forms hinged otic placode, and the two sides forward fold of the installation code backboard forms support plate, and the hinged otic placode and support plate are logical
It crosses the first pin shaft to realize hingedly, the upper end of the support plate and buckle is realized hinged by the second pin shaft.
5. projection screen mounting device according to claim 4, it is characterised in that: first elastic component and the second elastic component
It is torsional spring, the main body of the torsional spring is set on the first pin shaft and the second pin shaft.
6. projection screen mounting device according to claim 5, it is characterised in that: the upper end of the buckle has one to open
Mouthful, the torsional spring is arranged in opening, and one of free steel wire end of the torsional spring, which is connected to, installs on code backboard, and in addition one
A free steel wire end is connected on the inner sidewall of buckle after passing through opening.
7. projection screen mounting device according to claim 4, it is characterised in that: the rear end of the installation code top plate is downward
It is bent to form side plate, the side plate is located at the top of the first pin shaft, and the spacing between the side plate and installation code backboard is greater than the
Spacing between one pin shaft center line and installation code backboard.
8. projection screen mounting device according to claim 1, it is characterised in that: the vertical mounting surface and horizontal mounting surface
On be equipped with several installation hole locations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820864956.XU CN208255614U (en) | 2018-06-05 | 2018-06-05 | A kind of projection screen mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820864956.XU CN208255614U (en) | 2018-06-05 | 2018-06-05 | A kind of projection screen mounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208255614U true CN208255614U (en) | 2018-12-18 |
Family
ID=64653576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820864956.XU Active CN208255614U (en) | 2018-06-05 | 2018-06-05 | A kind of projection screen mounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208255614U (en) |
-
2018
- 2018-06-05 CN CN201820864956.XU patent/CN208255614U/en active Active
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