CN1853137A - Installation structure of projection screen - Google Patents
Installation structure of projection screen Download PDFInfo
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- CN1853137A CN1853137A CN 200480026869 CN200480026869A CN1853137A CN 1853137 A CN1853137 A CN 1853137A CN 200480026869 CN200480026869 CN 200480026869 CN 200480026869 A CN200480026869 A CN 200480026869A CN 1853137 A CN1853137 A CN 1853137A
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- storage case
- casing
- fixed part
- cover
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Abstract
An installation structure for a projection screen, enabling a receiving case to be quickly installed on a body and the installation of the receiving body to be made reliably at any position of the body. A rolling up roll for rolling up a projection screen is rotatably provided on a receiving case (2), and the receiving case (2) is installed on a body through fixing members (3). The positions in the rotation axis direction (Y) of the fixing members (3, 3) relative to the receiving case (2) are changeable.
Description
Technical field
The present invention relates to a kind of mounting structure of projection screen, be used for, the storage case that accommodates screen for projection is installed by fixed part at bodies such as wall surface or ceilings.
Background technology
In the time of on above-mentioned projection screen being installed to for example wall surface, can storage case be bolted to (for example, with reference to patent documentation 1) on the wall by being welded on the support as fixed part at storage case two ends respectively.
Patent documentation 1: Japanese patent laid-open 8-6161 communique
Above-mentioned storage case mostly is metallic, especially in large-sized screen, occupies main weight.If only by support, the storage case that will have weight like this is bolted within the walls that side does not have then bolt to be extracted from wall on the wall of pillar, causes storage case to come off from wall.
Therefore, reinforcing member must be bolted to usually on the part that the wall inboard has pillar, storage case be bolted on the reinforcing member by support.As mentioned above, not only unfavorable in the structure that must use special reinforcing member to the cost aspect, and must carry out reinforcing member is fixed to operation on the wall, make the fitting operation of storage case become loaded down with trivial details, need improve.
Summary of the invention
The present invention In view of the foregoing, problem to be solved is, provides a kind of and can promptly to body storage case be installed, and the mounting structure that storage case is installed to any locational projection screen that can be stable.
In order to solve described problem, the invention provides a kind of mounting structure of projection screen, it is characterized in that, be provided for batching the coiler drum of screen for projection with in storage case, rotating freely, by a plurality of fixed parts described storage case is installed on body, can change described fixed part with respect to the position of described storage case on the axis of rotation direction of described coiler drum.
Described fixed part can form the roughly inversion L font that is made of horizontal part and vertical component effect, described horizontal part extends along general horizontal direction the place ahead from the wall as body, described vertical component effect with the state of this wall almost parallel under, extend downwards from the base end part of this horizontal part, described storage case can be by installing and support with rotating freely described coiler drum, and form the roughly casing of roughly being inverted the L font of same shape with described fixed part, with in order to cover the place ahead of this casing, and the cover that is arranged on this casing body constitutes with freely loading and unloading.
On the perpendicular end surface of the front side of the horizontal part that constitutes described fixed part, maintaining part is set, this maintaining part can fasten the horizontal plate portion that keeps, described horizontal plate portion from the horizontal part front end of the casing that constitutes described storage case outstanding upward after, extend to the horizontal direction rear, in described fixed part, be provided with the state of exerting pressure upward, be used to block the locked part of this storage case towards a side shifting of separating with described fixed part, described locked part has and enters into vertical plate portion from the below and constitute between the vertical component effect of this storage case, and stop the stop part of this vertical plate portion from the below, described vertical plate portion from the upper part of the base end part of the horizontal part that constitutes described storage case rearward outstanding after, extend downwards.
Described locked part is made of synthetic resin, the main body of this locked part is provided with and is used to block the buckling parts of this storage case towards a side shifting of separating with described fixed part, described buckling parts the upper end have from below fasten between the vertical component effect of described vertical plate portion and described storage case, and the stop part that this vertical plate portion is stopped from the below, be provided with in the lower end of this main body and be used for contacting with the base plate of this fixed part, and the spring portion of the waveform that body is pressed upward, and outstanding from the hole that is formed on the described fixed part to the outside, be used for carrying out forcibly with the main body operating portion of move operation downwards.
Vertical component effect bottom at the casing that constitutes described storage case, be provided with the auxiliary vertical plate portion that uses rearward outstanding and that extend downwards, on the bottom of this fixed part, can freely fix and remove fixing mode limiting component is set, described limiting component enters between this auxiliary vertical component effect with vertical plate portion and described casing, is used to block this casing towards a side shifting of separating with fixed part.
It can also be first buckling parts that on described casing, has the upper end that fastens described cover, on described casing, also has second buckling parts, described second buckling parts is under the upper end with described cover fastens to state on described first buckling parts, along with this cover to described casing body one side shifting and this cover is installed on this casing, and the lower end that fastens and keep this cover.
The invention provides a kind of mounting structure of projection screen, can change the structure of fixed part by adopting with respect to the position of storage case on the axis of rotation direction of coiler drum, when storage case being fixed on wall or the ceiling, fixed part can be installed in position or the ceiling inboard that the wall inboard has pillar has on the position of groove component, even do not need to install reinforcing member at the position that can not install in the past yet, fixed part can be securely fixed on the wall, can promptly carry out the installation of storage case.And, fixed part is installed to body one rear flank, when being fixed on storage case on the fixed part again, have and carry out easily the advantage of fixed part to the fixing operation of body, but, also can adopt the fixed part that will be arranged on the storage case to adjust the position on one side, Yi Bian the structure of fixing to the regulation position of body.
Described fixed part can form the roughly inversion L font that is made of horizontal part and vertical component effect, described horizontal part extends along general horizontal direction the place ahead from the wall as body, described vertical component effect with the state of this wall almost parallel under, extend downwards from the base end part of this horizontal part, described storage case can be by installing and support with rotating freely described coiler drum, and form the roughly casing of roughly being inverted the L font of same shape with described fixed part, with in order to cover the place ahead of this casing, and the cover that is arranged on this casing body constitutes with freely loading and unloading.Utilize as above structure, compare, can improve resistance to deformation intensity with flat fixed part.In addition, not only can take off cover, the screen that carries out in the casing is safeguarded, and can only be changed the cover that damages.
On the perpendicular end surface of the front side of the horizontal part that constitutes described fixed part, be provided with and fasten the maintaining part that keeps horizontal plate portion, described horizontal plate portion from the horizontal part front end of the casing that constitutes described storage case outstanding upward after, extend to the horizontal direction rear, in described fixed part, be provided with and be used to block the locked part of storage case towards a side shifting of separating with described fixed part with the state of exerting pressure upward, described locked part has and enters into vertical plate portion from the below and constitute between the vertical component effect of this storage case, and stop the stop part of this vertical plate portion from the below, described vertical plate portion from the upper part of the base end part of the horizontal part that constitutes described storage case rearward outstanding after, extend downwards.Utilize said structure, can keep storage case for the effect of fixed part utilization fastening, with utilize bolt etc. the structure that storage case remains on the fixed part compared, can promptly carry out storage case is remained on operation on the fixed part, especially very favourable for storage case with constant weight.
Described fixed part is made of synthetic resin, the main body of this locked part is provided with and is used to block the buckling parts of this storage case towards a side shifting of separating with described fixed part, described buckling parts the upper end have from below fasten between the vertical component effect of described vertical plate portion and described storage case, and the stop part that this vertical plate portion is stopped from the below, be provided with in the lower end of this main body and be used for contacting with the base plate of this fixed part, and the spring portion of the waveform that body is pressed upward, and outstanding from the hole that is formed on the described fixed part to the outside, be used for carrying out forcibly with the main body operating portion of move operation downwards.Utilize as above structure, only operation by catching operating portion and dragging down, and remove fastening and take off storage case with respect to fixed part, can constitute fixed part, spring portion, these three parts of operating portion separately, compare with the structure that their combinations are provided with, at assembling operation and comprise aspect the total cost of stock control more favourable.
Vertical component effect bottom at the casing that constitutes described storage case, be provided with the auxiliary vertical plate portion that uses rearward outstanding and that extend downwards, on the bottom of this fixed part, can freely fix and remove fixing mode limiting component is set, described limiting component enters between this auxiliary vertical component effect with vertical plate portion and described casing, is used to block this casing towards a side shifting of separating with fixed part.By as above structure, though remove fixed part fixedly the time, also can utilize limiting component effectively to prevent storage case coming off with respect to fixed part.
First buckling parts that on described casing, has the upper end that fastens described cover, on described casing, also has second buckling parts, described second buckling parts is under the upper end with described cover fastens to state on described first buckling parts, along with this cover to described casing body one side shifting and this cover is installed on this casing, and the lower end that fastens and keep this cover.Utilize said structure, only remain on the casing, make the cover of installment state be difficult for coming off, can realize the minimizing of number of components and assembling work step, and improve reliability from casing by upper and lower side fastening with cover.
Description of drawings
Fig. 1 is the stereographic map of projection screen.
Fig. 2 is the outboard profile of the projection screen installed under the state of striding ceiling surface and wall.
Fig. 3 is the longitudinal diagram of the projection screen installed under the state of striding ceiling surface and wall.
Fig. 4 looks front view (FV) for the vertical profile of the part of omission projection screen.
Fig. 5 is the exploded perspective view of projection screen one end.
Fig. 6 is the stereographic map of an end of the projection screen before the mounting cover.
Fig. 7 is the longitudinal diagram that holds greater than the large-scale projection screen of screen shown in Figure 2.
Fig. 8 is the longitudinal diagram that holds greater than the large-scale projection screen of screen shown in Figure 7.
Fig. 9 is for supporting the projection screen longitudinal diagram of the state of coiler drum with another support.
Figure 10 is for supporting the projection screen longitudinal diagram of the state of coiler drum with another support.
Figure 11 is for supporting the projection screen longitudinal diagram of the state of coiler drum with another support, (a) expression is installed in state on the casing with cover, (b) state before expression is installed in cover on the casing, (c) expression state that cover is taken off from casing.
Figure 12 is the stereographic map of support shown in Figure 11.
Symbol description: 1 screen; 2 storage cases; 3 fixed parts; The 3K hole; The 3S base plate; 4 coiler drums; The 4A fulcrum; 5 handles; The 5B pin; The 6B recess; 6A upper end board; 6 horizontal parts; The 6a screw jack; 7 vertical component effects; 7A backboard portion; 7a, 7b screw jack; 8 casings; The 8X recess; The 8S stationary plane; 8a, 8b be maintaining part fixedly; 9 covers; 10 horizontal parts; 11 vertical component effects; 11A horizontal plate portion; 12 vertical plate portions; 13 fixed parts; The 14A fixed part; 14 main bodys; 15 spring portions; 16 operating portions; The 17 auxiliary vertical plate portions that use; 18 limiting components; The 18A vertical piece; The 18B horizontal plate part; The 18b screw jack; 19 bolts; 19 recesses; 20 fixed parts; 21 protrusion tabs; The 22B flange part; 22 supports; The 22A rack body; 22K through hole (otch); 23 bolts; 24 nuts; 25 lids; 26 screws; 27,28 Lock Parts; The 28A through hole; 29 extensions; 30 screws; 31 bolts.
Embodiment
In Fig. 1, expression accommodates the storage case 2 of the screen for projection 1 (with reference to Fig. 3) that is fixed on the body and uses.Aforementioned storage case 2 forms can be by being arranged on a plurality of fixed parts that are free to slide 3,3 of its rear side on left and right directions, be fixed on the structure of the projection screen on wall or the ceiling surface, but, as shown in Figures 2 and 3, can be installed on the bight of striding ceiling surface T and wall H.And, aforementioned wall and ceiling are called body, in addition, pillar etc. is used to support the body that is also referred to as of earthquake or other vibrations and impact.At this, employing is with two fixed parts 3,3, storage case 2 is fixed to body one side, but, by the fixed part that is provided with more than 3 storage case 2 is fixed to body one side, the loading from fixed part can be distributed on the fixed part more than 3, to support storage case 2, therefore, has the advantage that can prevent more effectively that storage case 2 breaks away from from body one side.
Described screen 1 can freely carry out the attitude change holding between state (with reference to Fig. 2) and the user mode (figure do not show), the described state that holds is to batch on the coiler drum that can rotate freely in being arranged at aforementioned storage case 2, described user mode is to pull it by the operation of pulling the handle 5 that is installed in this screen 1 lower end downwards, with the reflection of projection from projector.Described handle 5 is fixed on the lower end that is used to limit substantial middle position on the left and right directions of the pin 5B that batches the position of screen 1 of the end that is installed on screen 1.
As Fig. 5 and shown in Figure 6, described fixed part 3 is by the horizontal part 6 that extends to general horizontal direction from wall, constitute with the vertical component effect 7 that base end part from wall one side of this horizontal part 6 extends downwards under the state parallel with wall, in lateral plan, be and roughly be inverted the L font, consider from the intensity aspect, preferably constitute, still by metal material, according to circumstances, also can make by synthetic resin or timber etc.On the upper end board 6A that constitutes the horizontal part 6 on the described fixed part 3, be formed with size each two screw jack 6a, the 6a, 6b, the 6b that vary in size, in addition, on two positions up and down of the 7A of backboard portion that constitutes the vertical component effect 7 on the described fixed part 3, be formed with screw jack 7a, 7b, available bolt is fixed on both of ceiling surface and wall with fixed part 3, or on any one party.
As Fig. 2, Fig. 3, Fig. 5 and shown in Figure 6, described storage case 2 comprises: install with rotating freely and support described coiler drum 4, and with the casing 8 of the roughly L font of fixed part 3 roughly the same shapes; With the place ahead that is used to cover this casing 8, side view is the roughly cover 9 of half-circle-arc shape; Consider from the intensity aspect, preferably constitute, still, according to circumstances also can make with synthetic resin or timber by metal material.
As Fig. 3 and shown in Figure 5, on the perpendicular end surface of horizontal part 6 front sides that constitute described fixed part 3, be provided as the recess 6B of maintaining part, this recess 6B can fasten and keep from horizontal part 10 front ends of the casing 8 that constitutes described storage case 2 10A of horizontal plate portion that extends to the horizontal direction rear again after outstanding upward, in fixed part 3, be provided with under the state of exerting pressure upward, be used to block the locked part 13 of storage case 2 towards a side shifting of separating with fixed part 3, and this locked part 13 has: enter into from the upper part of the base end part of the horizontal part 10 that constitutes storage case 2 between vertical plate portion 12 of extending downwards again after rearward outstanding and the vertical component effect 11 that constitutes storage case 2 from the below, and block the blocking portion of this vertical plate portion 12 from the below.
Described locked part 13 is made of synthetic resin, be provided with in the upper end of main body 14 and be used to block the buckling parts 14A of storage case 2 towards a side shifting of separating with fixed part 3, described buckling parts 14A has from the below and fastens between the vertical component effect 11 of vertical plate portion 12 and storage case 2, and the blocking portion of this vertical plate portion 12 being blocked from the below, lower end in this main body 14, be provided with and be used for contacting from the base plate 3S of top with fixed part 3, the spring portion 15 of the waveform that body 14 is pressed upward, and outstanding from the hole 3K that is formed on the fixed part 3 to the outside, be used for carrying out forcibly with main body 14 operating portion 16 of move operation downwards.And, as Fig. 2 and shown in Figure 5, described locked part 13 moves with two screws, 32,32 easy on and off by the slotted hole 7K of the above-below direction on the horizontal side wall portion that is formed on vertical component effect 7, and under the pressure status of utilizing spring portion 15 to apply to be moved upward, be installed on the fixed part 3.
Bottom at the vertical component effect 11 of the casing 8 that constitutes described storage case 2, be provided with rearward outstanding and that extend auxiliary downwards with vertical plate portion 17, by a plurality of bolts 31, can freely fix and remove fixing mode, limiting component 18 is arranged on the base plate 3S of fixed part 3, this limiting component 18 enters between this auxiliary vertical component effect 11 with vertical plate portion 17 and casing 8, is used to block casing 8 towards a side shifting of separating with fixed part 3.Described limiting component 18 is described auxiliary with the vertical piece 18A between the vertical component effect 11 of vertical plate portion 17 and casing 8 by entering, constitute with the horizontal plate part 18B that extends to horizontal direction wall one side from the lower end of this vertical piece 18A, on this horizontal plate part 18B, form screw jack 18b, 18b.And described vertical component effect 11 is arranged on two positions, top and bottom of casing 8, and the hang plate 11A that these two vertical component effects, 11,11 usefulness aftermentioneds form stationary plane 8S connects.
For example shown in Figure 2, described storage case 2 is installed under the situation in bight of ceiling surface and wall, (at this is two with a plurality of, but also can be more than 3) fixed part 3,3 is arranged on this bight having under the state of predetermined distance, use the bolt that does not show among the figure in the pillar of wall inboard or the groove component in the ceiling etc.Then, the locked part 13,13 that is had with each fixed part 3,3 fastens storage cases 2, carry out temporary fixed after, by a plurality of bolts 31 limiting component 18 is fixed on the base plate 3S of fixed part 3.And, after storage case 2 fully being fixed on the fixed part 3,3 with described limiting component 18, the operation of the operating portion 16 by pulling locked part 13 downwards, after removing fastening, fasten storage case 2 once more with respect to fixed part 3,3, with this, can regulate fixed part 3,3 positions with respect to storage case 2, that is, regulate fixed part 3,3 with respect to storage case 2, the position on the axis of rotation Y of coiler drum 4 direction (with reference to Fig. 1).
Rearward end above described cover 9, be provided with and upwards be the roughly upper end 20 of semicircular arc, in order to fasten with this upper end 20, front end at described casing 8, be formed with the circular arc-shaped recess 19 that is positioned on the one side top position, rear, forwards stretch out by the downside protrusion tab 21 in a pair of protrusion tab up and down that will form described recess 19, and constitute the extension stretch out upward, with this, top one side of available cover 9, the upper end (front end) of the part of rear one side being ended and being supported on this extension 21 from the below card.Thereby, as shown in Figure 3, can be by controlling the bottom of cover 9, and it is shaken be operated to position shown in two dot-and-dash lines upward, and the buckling parts 20 and the fastening of recess 19 are removed, this fasten remove after, by a side shifting cover 9 forwards, cover 9 can be taken off from casing 8.Described fixed part 3,3 is being installed as under the state of striding ceiling surface and wall, as mentioned above, set the L of size up and down of fixed part 3, so that shake operation to what cover 9 carried out upward, buckling parts 20 can be reached and the position that fastens can be from recess 19, removed, with this,, also can take off cover 9 even do not take off storage case 2 from fixed part 3,3.
Be arranged on the fulcrum 4A of fixation side (not rotating) of vary in size (also can be identical) at described coiler drum 4 two ends, connect and be supported on the support 22,22 that can be installed on the described casing 8 with freely dismantling.Described support 22,22 by connecting and keeping the tabular rack body 22A of described fulcrum 4A and with the rearward end bending of this rack body 22A 90 degree roughly, is used for constituting with the fixing flange part 22B of described casing 8.Secondly, the stationary plane 8S that will be used for fixing the described casing 8 of described flange part 22B is formed in the upside dip plane of swinging to the place ahead forwards, only, each support 22 is constituted to the locational heeling condition of its front end one side-lower by described support 22,22 and casing 8 is fixing.By as mentioned above, support 22 is installed on the casing 8 with the state that tilts, shown in Fig. 7, Fig. 8 (compare with Fig. 7, Fig. 8 is more large-scale equipment), large-scale screen 1 (coiler drum 4) can be installed.That is, fixed part 3,3, casing 8, support 22,22 can use general parts, and only needs cover 9 is replaced with large component, and large-scale screen 1 (coiler drum 4) just can be installed.At this, two supports 22,22 that are arranged on two ends all can carry out dismounting with respect to casing 8, but also can only a support 22 be taken off.
Described casing 8 is provided with, be used on the axis of rotation direction of described coiler drum 4, fastening with being free to slide and keeping a pair of fastening maintaining part 8a, the 8b up and down of described flange part 22B, fastening with described fastening maintaining part 8a, 8b and keeping under the state of described flange part 22B, make breakthrough form be formed in the front end of the bolt 23 of the through hole 22K on the flange part 22B, when the rear of described stationary plane 8S is deep, form recess 8X on described casing 8, this recess 8X can hold the nut 24 that is used to screw on this front end.
As Fig. 4 and shown in Figure 6, at the two ends of described storage case 2, use a plurality of screws 26 to be fixed for covering the lid 25 of end peristome respectively, still, also can utilize outer embedding mode, will cover 25 and be fixed on the storage case 2.
Below, check for taking off coiler drum 4, or the structure of changing another coiler drum describes from described storage case 2, at first, when taking off the lid 25,25 at two ends, take off cover 9 after, a support 22 is taken off from casing 8.Then, with coiler drum 4 side shifting of taking off support 22 in the direction to the left and right, the fulcrum 4A of coiler drum 4 is extracted from another support 22, and coiler drum 4 is taken off.And, described coiler drum 4 to the left and right under the situation of the side shifting of taking off support 22 in the direction, can not taken off two supports 22,22.In addition, install once more at the coiler drum 4 that will take off, perhaps install under other the situation of coiler drum, fulcrum 4A, the 4A of coiler drum are passed support 22,22, after being fixed to support 22,22 on the casing 8 with bolt 23 and nut 24 again, when the lid 25,25 at two ends is installed, mounting cover parts 9, and complete operation.
As Fig. 9 and shown in Figure 10, the through hole 22C of the fulcrum 4A of the coiler drum 4 on the described support 22,22 is formed the otch of opening obliquely upward, by on this otch 22C, to be provided for fixedly Lock Part 27 or the Lock Part 28 of the fulcrum 4A of coiler drum 4, have and to take off the advantage that support 22,22 can be easily and promptly taken off coiler drum 4 by removing fixing mode.The Lock Part 27 of Fig. 9 is installed on the support 22 around horizontal axis X with freely swinging, with the front end of this Lock Part 27, can freely fasten and remove the mode that fastens, is installed on the support 22.In addition, the Lock Part 28 of Figure 10 is made of the plate-shaped member of the through hole 28A with the fulcrum 4A that connects coiler drum 4, with screw 30 this plate-shaped member 28 is arranged on the support 22 can freely fix and remove fixing mode.
In Fig. 1～Figure 10, rearward end above described cover 9, have and upwards be the roughly upper end 20 of semicircular arc, as first buckling parts that is fastened on this upper end 20, front end at described casing 8, be formed with the circular arc-shaped recess 19 that is positioned on the one side top position, rear, the upper end 20 of cover 9 fastened on first buckling parts 19, but also can shown in Figure 11 (a) and (b), (c), constitute.That is to say, under the upper end 20 with cover 9 fastens to state on first buckling parts 19, along with cover 9 is installed on the casing 8 to a side shifting of casing 8 and with cover 9, will screws in as the screw 32 of second buckling parts of the lower end that is used to fasten cover 9 and be fixed on the left and right sides described later support 33.Thereby, shown in Figure 11 (c), the upper end 20 of the cover 9 that will take off from casing 8, shown in Figure 11 (b), be fastened on first buckling parts 19, and be fulcrum with first buckling parts 19, cover 9 is carried out swinging operation downwards, with this, utilize elastic force, make the lower end 9A that bends to circular-arc cover 9 cross second buckling parts 32, formation is positioned on the position of rear one side of second buckling parts 32, by aforesaid operations, the front end of lower end 9A is contacted with second buckling parts 32, swing upward to stop cover 9.Fasten the structure that remains on the casing 8 by upper and lower side 20,9A with cover 9, as Fig. 1～shown in Figure 10, do not cover the outer build-in of a part of 25,25 and fix on the cover 9 even do not make, can prevent that also cover 9 from coming off from casing 8 easily, do not cover 25,25 even do not take off, can only cover 9 promptly be taken off from casing 8 yet.When taking off described cover 9, utilize its elastic force, waiting with finger under the state that lower end 9A is pressed downwards slightly (be pressed to not with second buckling parts, 32 state of contact), by being fulcrum with first buckling parts 19, cover 9 is carried out swinging operation upward, just can take off from casing 8.Because another structure shown in the figure as hereinbefore, the Therefore, omited explanation.
By the support about Fig. 1～shown in Figure 10 22,22 is formed Figure 11 (a) and (b), (c) and structure shown in Figure 12, do not fix on the two ends, the left and right sides of cover 9 even do not make as the outer build-in of the part of Fig. 1～ lid 25,25 shown in Figure 10, and, do not take off described lid 25,25, cover 9 can be taken off separately from casing 8 yet.That is to say, plate-shaped member 33 with casing 8 and cover 9 about in two end in contact, fix with casing 8 screws, and, a side screw is fixed with and covers 25 from the outside, on the inner surface of this plate-shaped member 33, be fixed with the support 34 of arch (door type), on this support 34, form the otch 34A of the fulcrum 4A that can embed and support described coiler drum 4.On described plate-shaped member 33, be formed for not the through hole 33A that interferes with fulcrum 4A.In addition, the rear section of plate-shaped member 33 cut be roughly inverted U font, this part is crooked to the inside, form the protrusion tab 33B of general horizontal direction.
Industrial applicability
Screen mounting structure of the present invention is applicable to handle 5 is dragged down, and can make to be in appearance The screen 1 of state received changes to the use state, in addition, also is applicable to by using electro-motor electronicly make coiler drum rotation, make screen 1 carry out shape holding between state and the use state Attitude changes. The concrete structure of storage case and shape are not limited to illustrated embodiment, can advance Row is various freely to be changed.
Claims (6)
1. the mounting structure of a projection screen, it is characterized in that, described projection screen is provided for batching the coiler drum of screen for projection with rotating freely in storage case, by a plurality of fixed parts described storage case is installed on body, can be changed described fixed part with respect to the position of described storage case on the axis of rotation direction of described coiler drum.
2. the mounting structure of projection screen as claimed in claim 1, it is characterized in that, described fixed part forms the roughly inversion L font that is made of horizontal part and vertical component effect, described horizontal part forwards extends along general horizontal direction from the wall as body, described vertical component effect with the state of this wall almost parallel under, extend downwards from the base end part of this horizontal part, described storage case is by installing with rotating freely and support described coiler drum and forming the casing of roughly being inverted the L font of same shape roughly with described fixed part and be arranged on cover formation on this casing body for the place ahead that covers this casing with freely loading and unloading.
3. the mounting structure of projection screen as claimed in claim 2, it is characterized in that, the perpendicular end surface of the front side of the horizontal part of the described fixed part of formation is provided with maintaining part, this maintaining part can fasten maintenance from the horizontal part front end of the casing that constitutes described storage case outstanding upward after, the horizontal plate portion that extend at the along continuous straight runs rear, in described fixed part, be provided with and be used to block the locked part of this storage case towards a side shifting of separating with described fixed part to be moved upward the state that presses, described locked part has and enters into vertical plate portion from the below and constitute between the vertical component effect of this storage case and stop the stop part of this vertical plate portion from the below, described vertical plate portion from the upper part of the base end part of the horizontal part that constitutes described storage case rearward outstanding after, extend downwards.
4. the mounting structure of projection screen as claimed in claim 3, it is characterized in that, described locked part is made of synthetic resin, be provided with in the upper end of this locked part body and be used to block the buckling parts of this storage case towards a side shifting of separating with described fixed part, described buckling parts has and fastens to described vertical plate portion from the below and close between the vertical component effect of described storage case, and the stop part that this vertical plate portion is stopped from the below, be provided with in the lower end of this body and be used for contacting with the base plate of this fixed part, and body is moved upward the spring portion of the waveform that presses, and outstanding from the hole that is formed on the described fixed part to the outside, be used for carrying out forcibly with the main body operating portion of move operation downwards.
5. as the mounting structure of any one described projection screen in the claim 2～4, it is characterized in that, vertical component effect bottom at the casing that constitutes described storage case, be provided with the auxiliary vertical plate portion that uses rearward outstanding and that extend downwards, on the bottom of this fixed part, can freely fix and remove fixing mode limiting component is set, described limiting component enters between this auxiliary vertical component effect with vertical plate portion and described casing, is used to block this casing towards a side shifting of separating with fixed part.
6. the mounting structure of projection screen as claimed in claim 2, it is characterized in that, first buckling parts that on described casing, has the upper end that fastens described cover, on described casing, also has second buckling parts, described second buckling parts is under the upper end with described cover fastens to state on described first buckling parts, along with this cover to described casing body one side shifting and this cover is installed on this casing, and the lower end that fastens and keep this cover.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP325179/2003 | 2003-09-17 | ||
| JP2003325179 | 2003-09-17 | ||
| JP232976/2004 | 2004-08-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1853137A true CN1853137A (en) | 2006-10-25 |
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ID=37134179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200480026869 Pending CN1853137A (en) | 2003-09-17 | 2004-09-06 | Installation structure of projection screen |
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| Country | Link |
|---|---|
| CN (1) | CN1853137A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10080302B2 (en) | 2013-04-24 | 2018-09-18 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
-
2004
- 2004-09-06 CN CN 200480026869 patent/CN1853137A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10080302B2 (en) | 2013-04-24 | 2018-09-18 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
| US10448531B2 (en) | 2013-04-24 | 2019-10-15 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
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