CN107463061A - A kind of city roof screen system - Google Patents
A kind of city roof screen system Download PDFInfo
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- CN107463061A CN107463061A CN201710829710.9A CN201710829710A CN107463061A CN 107463061 A CN107463061 A CN 107463061A CN 201710829710 A CN201710829710 A CN 201710829710A CN 107463061 A CN107463061 A CN 107463061A
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- China
- Prior art keywords
- curtain
- vertical shaft
- host cavity
- tightening part
- screen system
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
Abstract
The invention discloses a kind of city roof screen system, including truss, curtain, fixation kit and overload disengaging gear, the first end of curtain to be fixed on truss, and the second end of curtain includes the first tightening part and the second tightening part that are oppositely arranged.The fixation kit is fixedly arranged on ground, and fixation kit is fixed in the first tightening part.The overload disengaging gear includes stop collar and vertical shaft, and one end of the stop collar has opening up host cavity, and the other end of the stop collar is used to be fixedly arranged on ground.One end of the vertical shaft is fixedly connected with the second tightening part, and the other end of the vertical shaft is slidably connected to host cavity, and the other end of the vertical shaft is slidably connected in host cavity, so that the second tightening part is fixed with respect to ground；Or the other end of the vertical shaft slidably departs from host cavity.City roof screen system provided by the invention has good Wind-Pressure Resistance ability, can be when curtain is by the maximum wind pressure that can be born, you can reduces the blast that is subject to of curtain, avoids the situation that curtain is damaged or support body collapses.
Description
Technical field
The present invention relates to city canopy of the heavens technical field, and in particular to a kind of city roof screen system.
Background technology
As the improvement of people's living standards, many large-scale performances (such as large-scale a song and dance, light show) usually by
Hold, to enrich the life of people.These large-scale performances are usually by the use of curtain as performance background, typically by curtain
The mode of projection lantern slide or light shows specific background frame, and by this way as the curtain for performing background and
The support body of the curtain is set up, then is referred to as the city canopy of the heavens.
Because current most large-scale performance is all to hold out of doors, it is therefore desirable to consider special weather situation, such as when
When there is high wind weather, if curtain is packed up not in time, it is possible to cause curtain damaged, more it could even be possible to causing to support curtain
Whole support body topple over, so as to cause serious security incident.Therefore, in order to avoid the generation of security incident, currently large-scale
When performance runs into high wind weather, the mode of generally use is all promptly to be packed up curtain by field personnel, to avoid curtain
The generation for the security incidents such as cloth is impaired or support body is toppled over.
However, this processing mode needs substantial amounts of field personnel to carry out simultaneously, this not only greatly wastes people
Power also increases the working strength of field personnel simultaneously；In addition, by the way of manually curtain is received, without real-time,
Therefore the moment that maximum wind pressure can not be born in curtain still be present at once packs up curtain, can not avoid safety completely
The generation of accident.
The content of the invention
The embodiment of the present invention discloses a kind of city roof screen system, has good Wind-Pressure Resistance ability, can effectively prevent curtain
There is the situation that damaged or support body collapses in cloth.
In order to achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of city roof screen system, it is characterised in that including：
Truss；
Curtain, the curtain includes the first end being oppositely arranged and the second end, the first end are fixed on the truss,
Second end includes the first tightening part and the second tightening part being oppositely arranged；
Fixation kit, the fixation kit is fixedly arranged on ground, and the fixation kit is fixed with first tightening part and connected
Connect；
Disengaging gear is overloaded, the overload disengaging gear includes stop collar and vertical shaft, and one end of the stop collar, which has, opens
The host cavity of mouth upward, the other end of the stop collar are used to be fixedly arranged on the ground；
One end of the vertical shaft is fixedly connected with second tightening part, and the other end of the vertical shaft is slidably connected to described
Host cavity, the other end of the vertical shaft are slidably connected in the host cavity, so that second tightening part is relatively describedly
Face is fixed；Or the other end of the vertical shaft slidably departs from the host cavity, so that second tightening part is relatively describedly
Emaciated face from.
As an alternative embodiment, in embodiments of the present invention, when the pulling force that second tightening part is subject to is big
When its maximum bears pulling force, the other end of the vertical shaft slidably departs from the host cavity, so that the second tightening part phase
The ground is departed from.
As an alternative embodiment, in embodiments of the present invention, the stop collar includes at least one connection group
Part, each connection component in the host cavity, each connection component include elastic component and with the elastic component
The compressing member of one end connection, the other end of the elastic component are connected to the internal face of the host cavity, each equal court of compressing member
To the centrally disposed of the host cavity, when the other end of the vertical shaft is located in the host cavity, the compressing member is connected to
With the other end of the vertical shaft；When the pulling force that second tightening part is subject to bears pulling force more than its maximum, the vertical shaft
The other end extrudes the compressing member in the presence of the pulling force, so that the compressing member extrudes the elastic component and stood with described
The other end of axle departs from, and now, the other end of the vertical shaft slidably departs from the host cavity.
As an alternative embodiment, in embodiments of the present invention, the connection component also includes hollow connection
Set, one end of the adapter sleeve are fixed in the internal face of the host cavity, and the other end of the adapter sleeve is towards the host cavity
Centroclinal contraction and form contraction mouth, the elastic component is fixedly arranged in the adapter sleeve, and the compressing member is slidably connected to
The adapter sleeve；
When the other end of the vertical shaft is located in the host cavity, the compressing member is slidably located at the receipts to part
Necking is outer and is abutted with the other end of the vertical shaft；When the pulling force that second tightening part is subject to bears pulling force more than its maximum
When, the other end of the vertical shaft extrudes the compressing member in the presence of the pulling force so that the compressing member slide into it is described
In contraction mouth and the elastic component is extruded, now, the other end of the vertical shaft slidably departs from the host cavity.
As an alternative embodiment, in embodiments of the present invention, it is provided with the other end of the vertical shaft correspondingly
The neck that the compressing member is set, when the other end of the vertical shaft is located in the host cavity, the compressing member is connected in institute
State neck.
As an alternative embodiment, in embodiments of the present invention, the curtain is provided with some anti-air holes and right
Some block pieces for answering some anti-air holes to set, each block piece include connecting portion and affixed with the connecting portion
Shielding part, each connecting portion is fixedly connected on the curtain, each shielding part be used to covering it is each corresponding to institute
State anti-air holes, when the curtain is by Action of Wind pressure, each shielding part can relatively described curtain plane swing back and forth,
To expose each corresponding anti-air holes.
As an alternative embodiment, in embodiments of the present invention, the curtain cuts to form institute along desired guiding trajectory
Shielding part is stated, the region between the desired guiding trajectory and the connecting portion forms the anti-air holes.
Wherein, the curtain be can be applied in the canopy of the heavens of city, such as the curtain can be hung to the purlin for being fixed on the city canopy of the heavens
On frame.Because the city canopy of the heavens is set out of doors mostly, such as seashore, lakeside, riverside, therefore, curtain would be possible to be arrived
From the Action of Wind pressure of different directions, when the curtain is by the Action of Wind pressure, the relatively described curtain plane of the shielding part
Swing back and forth, to expose anti-air holes, so that wind energy reduces the blast that the curtain is born, entered enough by the anti-air holes
And strengthen the stretching resistance of the curtain, avoid the generation of security incident.
Wherein, the shielding part can relatively described curtain plane swing back and forth, be primarily referred to as, when wind acts on the curtain
During cloth, due to the shielding part be it is affixed by the connecting portion and the curtain, therefore, the shielding part can by with it is described
The equal Action of Wind pressure of curtain, so that shielding part is swung with wind direction.During performing present image one side as
Curtain front, that is to say, that when the curtain is by positive blast from front to back, the shielding part is in the anti-air holes
Relatively described curtain swing backward, so as to expose the anti-air holes；And when blast reduces or the curtain is by from back to front
During reverse pressure, the shielding part relatively described curtain in the anti-air holes is swung forward.In addition, when the curtain is by side
During to blast, the shielding part can be rolled with wind direction and expose the anti-air holes.
As an alternative embodiment, in embodiments of the present invention, the curtain is provided with some along the curtain
Length direction on the connecting rod that is placed equidistant, and width of the length bearing of trend of each connecting rod with the curtain prolongs
Stretch that direction is consistent, the both ends of each connecting rod are equipped with annulus, positioned at the connecting rod with described in each of one end
The center of annulus is respectively positioned on same straight line.
Using above-mentioned design, if curtain is divided into stem portion on the length direction of curtain using connecting rod, disperse to blow
To the wind-force of curtain；Meanwhile connecting rod has also aggravated the overall weight of curtain so that curtain will not monoblock blown toward same direction
Rise, effectively strengthen the Wind-Pressure Resistance ability of curtain.
As an alternative embodiment, in embodiments of the present invention, the fixation kit include bottom of pond embedded board and
First pulley, the bottom of pond embedded board are fixed on the ground, and the first pulley is fixedly arranged on the bottom of pond embedded board, described
First pulley is fixedly connected with first tightening part, so that first tightening part is fixed on the ground, the overload is de-
Opening apparatus also includes second pulley, and the second pulley is fixedly arranged on one end of the vertical shaft, the second pulley and described the
Two tightening part are fixedly connected, so that the vertical shaft is fixedly connected with second tightening part.
As an alternative embodiment, in embodiments of the present invention, the city roof screen system also includes the first steel
Cord and the second steel wire rope, one end of first steel wire rope are fixedly connected with the truss, first steel wire rope it is another
End is placed through the connecting rod with each described annulus of one end and is fixedly connected with the first pulley；
One end of second steel wire rope is connected with the truss, and the other end of second steel wire rope is placed through described
Each described annulus of the connecting rod other end is simultaneously fixedly connected with the second pulley.
Further, the second end of the curtain is provided with reinforcing member, and the reinforcing member is used for the second of the curtain
End is fixed, and the curtain is not easy ballooning.
Compared with prior art, the embodiment of the present invention has the advantages that：
City roof screen system provided in an embodiment of the present invention, by setting the first tightening part of curtain to be fixed with fixation kit
Connection, so that the first tightening part is fixed with respect to ground, while sets the second tightening part of curtain to be connected with vertical shaft, utilizes vertical shaft card
It is connected in stop collar to realize the second tightening part with respect to the effect that ground is fixed.And it can be held when the blast that curtain is born is more than it
During the maximum wind pressure received, the second tightening part is pullled vertical shaft by the effect of blast so that pulling force of the vertical shaft in second tightening part
Depart under effect from stop collar, now, relatively emaciated face is from and in the state freely drifted for the second tightening part, so as to effectively
The blast that is subject to of curtain is reduced, and then avoids the occurrence of the situation that curtain is damaged or support body collapses.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, it will use below required in embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is a kind of signal of city roof screen system (the anti-air holes on curtain is not shown) disclosed in the embodiment of the present invention
Figure；
Fig. 2 is the vertical shaft in a kind of city roof screen system (the anti-air holes on curtain is not shown) disclosed in the embodiment of the present invention
Schematic diagram during disengaging；
Fig. 3 is the partial enlarged drawing at A in Fig. 2；
Fig. 4 is the structural representation that the disclosed overload of the embodiment of the present invention disengages pressure device；
Fig. 5 is the structural representation of fixation kit disclosed in the embodiment of the present invention；
Fig. 6 is the structural representation of curtain disclosed in the embodiment of the present invention (being not affected by Action of Wind pressure)；
Fig. 7 is the laminated construction sketch of curtain disclosed in the embodiment of the present invention；
Fig. 8 is the partial enlarged drawing at B in Fig. 7；
Fig. 9 is the structural representation of the connection track of connecting portion disclosed in the embodiment of the present invention and curtain；
Figure 10 is a kind of anti-structural representation for tearing structure disclosed in the embodiment of the present invention；
Figure 11 is another anti-structural representation for tearing structure disclosed in the embodiment of the present invention；
Figure 12 is curtain disclosed in the embodiment of the present invention by shielding part during Action of Wind pressure and the structure diagram of anti-air holes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, belongs to the scope of protection of the invention.
In the present invention, term " on ", " under ", "left", "right", "front", "rear", " top ", " bottom ", " interior ", " outer ",
" in ", " vertical ", " level ", " transverse direction ", the orientation of the instruction such as " longitudinal direction " or position relationship be based on orientation shown in the drawings or
Position relationship.These terms are not intended to limit indicated dress primarily to preferably the description present invention and embodiment
Put, element or part there must be particular orientation, or be constructed and operated with particular orientation.
Also, above-mentioned part term is in addition to it can be used to indicate that orientation or position relationship, it is also possible to for representing it
His implication, such as term " on " also be likely used for representing certain relations of dependence or annexation in some cases.For ability
For the those of ordinary skill of domain, the concrete meaning of these terms in the present invention can be understood as the case may be.
In addition, term " installation ", " setting ", " being provided with ", " connection ", " connected " should be interpreted broadly.It is for example, it may be solid
Fixed connection, is detachably connected, or monolithic construction；Can mechanically connect, or electrical connection；Can be joined directly together, either
It is indirectly connected by intermediary, or is connection internal between two devices, element or parts.For this area
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In addition, term " first ", " second " etc. are mainly used for distinguishing different devices, element or part (specifically
Species and construction may it is identical may also be different), be not intended to show or imply signified showing device, element or part
Relative importance and quantity.Unless otherwise indicated, the implication of " multiple " is two or more.
Accompanying drawing is combined below to be described in detail.
Also referring to the structural representation that Fig. 1 to Fig. 3 is city roof screen system provided in an embodiment of the present invention, the city
Roof screen system includes truss 1, curtain 2, fixation kit 3 and overload disengaging gear 4.Curtain 2 includes the first end being oppositely arranged
21 and second end 22, first end 21 be fixed on truss 1, the second end 22 includes the first tightening part 121 and second being oppositely arranged
Tightening part 122.Fixation kit 3 is fixedly arranged on ground, and fixation kit 3 is fixedly connected with the first tightening part 121.Overload disengaging gear
4 include stop collar 41 and vertical shaft 42, and one end of stop collar 41 has opening up host cavity 411, the other end of stop collar 41
For being fixedly arranged on ground.One end of vertical shaft 42 is fixedly connected with the second tightening part 122, and the other end of vertical shaft 42 is slidably connected to receipts
Cavity volume 411, the other end of vertical shaft 42 are slidably connected in host cavity 411, so that 122 relative ground of the second tightening part is fixed；
Or the other end of vertical shaft 42 slidably departs from host cavity 411 so that the second tightening part 122 relatively emaciated face from.
In the present embodiment, city roof screen system may be provided at open air, such as riverside, lakeside or square etc..When curtain 2
During by strong Action of Wind pressure (that is, the pulling force that the second tightening part 122 is subject to bearing pulling force more than its maximum), the second tightening part 122
By the effect of pulling force vertical shaft 42 can be driven up to move, vertical shaft 42 is departed from stop collar 41, so that the second tightening part
122 relatively emaciated face from and in ballooning state, effectively reduce the blast that is subject to of curtain 2.It can learn, this
The maximum of two tightening part 122 bears pulling force and refers to that high wind pressure is produced to the second tightening part 122 when curtain 2 is by strong Action of Wind pressure
The raw maximum pull away from ground upwardly.
Specifically, because the first end 21 of curtain 2 is fixed in truss 1, the first tightening part 121 and fixation kit 3 of curtain 2
It is fixedly connected, the second tightening part 122 of curtain 2 is connected with vertical shaft 42, and vertical shaft 42 is connected in stop collar 41, therefore, now
Curtain 2 is in deployed condition.When wind is to curtain 2, when curtain 2 is acted on by blast, the both sides of curtain 2 can tighten, to curtain
The first tightening part 121 and the second tightening part 122 of cloth 2 generate the pulling force away from ground upwardly, when blast change is big, curtain 2
The pulling force increase that is subject to of the second tightening part 122, because the second tightening part 122 is fixedly connected with one end of vertical shaft 42, when second
When tightening part 122 is by away from ground pulling force upwardly, one end of vertical shaft 42 is had by the pulling force effect of the second tightening part 122 to be deviated from
The trend that ground moves upwardly.And when the maximum that the pulling force that curtain 2 is subject to reaches the second tightening part 122 bears pulling force, vertical shaft
42 under the pulling force effect of the second tightening part 122 host cavity 411 upwardly and out so that the second tightening part 122 with
Stop collar 41 departs from, now the second tightening part 122 can ballooning, and the first tightening part 121 is still rigidly secured to fix group
In part 3.
In this way, it can not only make it that the second tightening part 122 is relative in time when curtain 2 is by strong Action of Wind pressure
Ground departs from ballooning, effectively reduces the blast that curtain 2 is subject to, and also can ensure that the first tightening part 121 of curtain 2 begins
It is securely seated between eventually on ground, avoids the ballooning of monoblock curtain 2 and be unfavorable for situation about fixing again.
In the present embodiment, as shown in figure 4, stop collar 41 includes at least one connection component, each connection component is equal
In host cavity 411, each connection component includes elastic component 412a and the compressing member being connected with elastic component 412a one end
412b, the elastic component 412a other end are connected to the internal face of host cavity 411, and each compressing member 412b is towards host cavity 411
It is centrally disposed, when the other end of vertical shaft 42 is located in host cavity 411, compressing member 412b is connected to the another of vertical shaft 42
End；When the pulling force that the second tightening part 122 is subject to bears pulling force more than its maximum, the other end of vertical shaft 42 is in the presence of pulling force
Compressing member 412b is extruded, so that compressing member 412b extrudes elastic component 412a and departed from the other end of vertical shaft 42, now, vertical shaft 42
The other end slidably depart from host cavity 411.
In the present embodiment, connection component also includes hollow adapter sleeve 412c, and adapter sleeve 412c one end is fixed in receipts
The internal face of cavity volume 411, the adapter sleeve 412c other end towards host cavity 411 centroclinal contraction and form contraction mouth (not
Sign), elastic component 412a is fixedly arranged in adapter sleeve 412c, and compressing member 412b is slidably connected to adapter sleeve 412c；
When the other end of vertical shaft 42 is located in host cavity 411, compressing member 412b is slidably to part outside contraction mouth
And abutted with the other end of vertical shaft 42；When the pulling force that the second tightening part 122 is subject to bears pulling force more than its maximum, vertical shaft 42
The other end extrudes compressing member 412b in the presence of one end of vertical shaft 42, so that compressing member 412b slides into contraction mouth and extruded
Elastic component 412a, now, the other end of vertical shaft 42 slidably depart from host cavity 411.
When curtain 2 make it that the pulling force that the second tightening part 122 is subject to bears pulling force more than its maximum by Action of Wind pressure, second
Tightening part 122 is pullled one end of vertical shaft 42 by Action of Wind pressure, so as to drive the other end of vertical shaft 42 to move upwards so that vertical shaft 42
The other end act on compressing member 412b, and then compressing member 412b is toward away from the direction at the center of host cavity 411 extruding elastic component
412a simultaneously separates with the other end of vertical shaft 42, and now, vertical shaft 42 slidably departs from host cavity 411, and the second tightening part 122 is relatively
Emaciated face from.
Using above-mentioned design, elastic component 412a is extruded using compressing member 412b, by elastic component 412a elastic deformation, is made
Compressing member 412b with vertical shaft 42 slidably to abutting, so as to realize the connection of vertical shaft 42 and stop collar 41；Or compressing member 412b
Slidably away from vertical shaft 42, so as to realize the separation of vertical shaft 42 and stop collar 41.
Preferably, the other end of vertical shaft 42 corresponds to compressing member 412b and is provided with neck 421, when the other end of vertical shaft 42 is located at
When in the host cavity 411 of stop collar 41, compressing member 412b is connected in neck 421, so that vertical shaft 42 is connected in host cavity 411
It is interior.And when the other end of vertical shaft 42 is extruded compressing member 412b by the pulling force effect of the second tightening part 122, compressing member 412b can
Depart from from neck 421, so that the other end of vertical shaft 42 slidably departs from host cavity 411.
In the present embodiment, in order to improve the Wind-Pressure Resistance ability of city roof screen system, wind resistance pressure device be provided with six it is above-mentioned
Connection component, each connection component is arranged in host cavity 411 so that the center of host cavity 411 is rounded, adjacent two
With the center angle of host cavity 411 it is 60 ° between individual connector.The value of thrust that the maximum of the second tightening part 122 of curtain 2 is born is
2940~3920N, using six connection components, six connection components are made to be carried out respectively from six direction to the other end of vertical shaft 42
Abut, it is ensured that when vertical shaft 42 is located at stop collar 41, can be securely seated between in stop collar 41.
In the present embodiment, overload disengaging gear 4 also includes second pulley 43, and second pulley 43 is fixedly arranged on the one of vertical shaft 42
On end, second pulley 43 is fixedly connected with the second tightening part 122, so that vertical shaft 42 is fixedly connected with the second tightening part 122.
Further, one end of the vertical shaft 42 is provided with end plate 422, and second pulley 43 passes through end plate 422 and the vertical shaft 42
One end be fixedly connected.
In the present embodiment, as shown in figure 5, fixation kit 3 includes bottom of pond embedded board 31 and first pulley 32, bottom of pond is pre-buried
Plate 31 is provided with screw (not shown), and bolt inserts screw so that bottom of pond embedded board 31 is fixed on ground, and first pulley 32 is solid
On bottom of pond embedded board 31, first pulley 32 is fixedly connected with the first tightening part 121, so that the first tightening part 121 is fixed on
Ground.
Further, the support body 33 for setting up first pulley 32 is additionally provided with bottom of pond embedded board 31, support body 33 is provided with
One bearing (not shown), first pulley 32 are fixed through bearing and are erected on support body 33.
In the present embodiment, curtain 2 is provided with the connecting rod 23 being placed equidistant on some length directions along curtain 2, and
The length bearing of trend of each connecting rod 23 is consistent with the width bearing of trend of curtain 2, and the both ends of each connecting rod 23 are all provided with
There is annulus (not shown), be respectively positioned on positioned at connecting rod 23 with the center of each annulus of one end on same straight line.
Using above-mentioned design, if curtain 2 is divided into stem portion on the length direction of curtain using connecting rod 23, disperse
Blow to the wind-force of curtain 2, meanwhile, connecting rod has also aggravated the overall weight of curtain so that curtain 2 will not monoblock toward same direction
Blown afloat, so as to strengthen the Wind-Pressure Resistance ability of curtain 2.
In the present embodiment, city roof screen system also includes the first steel wire rope 232 and the second steel wire rope 233, the first steel wire
One end of rope 232 is fixedly connected with truss 1, and the other end of the first steel wire rope 232 is placed through connecting rod 23 with each of one end
Individual annulus is simultaneously fixedly connected with first pulley 32；
One end of second steel wire rope 233 is connected with truss 1, and the other end of the second steel wire rope 233 is placed through connecting rod 23
Each annulus of the other end is simultaneously fixedly connected with second pulley 43.
Spacing effect is played to the first steel wire rope 232 and the second steel wire rope 233 using annulus, by the first steel wire rope 232
The both sides of curtain 2 are respectively limited by with the second steel wire rope 233, is advantageous to deploy curtain 2, prevents curtain 2 from gathering together and shadow
The drop shadow effect of curtain 2 is rung, in addition, can play fixed work to the end 22 of first end 21 and second of curtain 2 using steel wire rope
With.
Further, the second end 22 of curtain 2 is provided with reinforcing member (not shown), and the reinforcing member is used for the to curtain 2
Two ends 22 are fixed, and curtain 2 is not easy ballooning.
Also referring to Fig. 6 to Fig. 9, the curtain 2 be provided with some anti-air holes 25 and to should some anti-air holes set
Some block pieces 24, each block piece 24 include connecting portion 241 and the shielding part 242 affixed with the connecting portion 241, the company
Socket part 241 is fixedly connected on the curtain 2, and the shielding part 242 is used to cover the anti-air holes 25, when curtain is by Action of Wind pressure,
The shielding part 242 can swing back and forth with respect to the plane of the curtain 2, to expose the anti-air holes 25.
Due to the city canopy of the heavens mostly set out of doors, such as seashore, lakeside, riverside, therefore, the curtain would be possible to understand by
To the Action of Wind pressure from different directions, when the curtain is by Action of Wind pressure, plane of the shielding part 242 with respect to the curtain 2
Swing back and forth, to expose the anti-air holes 25, so that wind energy reduces the blast that the curtain is born enough by the anti-air holes 25,
And then strengthen the stretching resistance of curtain, avoid the generation of security incident.
In the present embodiment, the curtain 2 can by be sequentially overlapped setting the first polyvinyl chloride layer 20a, fibrous layer 20b and
Second polyvinyl chloride layer 20c is formed, and if dry fibers orthogonal arrangement in fibrous layer 20b form longitude and latitude structure, so as to
Effectively strengthen the tension force of the curtain 2, it is ensured that there is well anti-tear to pull effect for it.As shown in figure 8, in order to avoid on curtain 2
The longitude and latitude structure that can be destroyed when forming the anti-air holes 25 in fibrous layer 20b, and then the situation for causing the tension force of curtain 2 to reduce,
When setting the anti-air holes 25, on the length bearing of trend along the curtain 2, the anti-air holes 25 can be according to the latitude in the longitude and latitude structure
Line L1 is placed equidistant successively, and along the width bearing of trend of the curtain 2, the anti-air holes 25 can be according to the warp L2 of the longitude and latitude structure
It is placed equidistant successively, and the center of each anti-air holes 25 is respectively positioned at parallel L1 and warp L2 crosspoint 20d, so as to effectively
The longitude and latitude structure in fibrous layer 20b is avoided damage to, so that it is guaranteed that the stretching resistance of curtain, and then strengthen the wind resistance pressure energy of curtain
Power.
In the present embodiment, the connecting portion 241 can be integrally formed with curtain 2, for example, when the connecting portion 241 and the curtain 2
When being integrally formed, the connection track 241a of the connecting portion 241 and the curtain 2 can be for straight line, camber line, wave or jaggies (such as
Shown in Fig. 4).It is understood that in other embodiments, the connecting portion 241 can be also detachably connected with curtain 2.For example, should
Connecting portion 241 can be pasted on curtain 2 by way of viscose glue, or, the connecting portion 241 can also be stitched by way of suture
Close on curtain 2.
Further, when the connecting portion 241 is connected on the curtain 2, position that the connecting portion 241 is connected with the curtain 2
Put at least one peak of place to the distance of the first end 21 and be less than the shielding part 242 to the distance of the first end 21, so that
When curtain deploys (i.e. curtain is suspended on support body), the shielding part 242 can cover in the anti-air holes 25 under gravity,
That is, when the curtain applied to the outdoor city canopy of the heavens is not affected by Action of Wind pressure or during by less Action of Wind pressure, the screening
Cap 242 can cover in the anti-air holes 25, so that what curtain can be maximum ensures the flatness of its own, and then carry out
Preferable image display effect can be presented during performance on curtain.In addition, when the curtain is by larger Action of Wind pressure, should
Shielding part 242 the relative connecting portion 241 can be swung to and fro in the anti-air holes 25, so that wind energy is enough from anti-air holes
By reducing the blast that curtain is born, and then the stretching resistance of enhancing curtain, reducing the generation of security incident in 25.
Also referring to Fig. 6 and Figure 12, in the present embodiment, formation and the shielding part for the ease of the anti-air holes 25
The covering of 242 pairs of anti-air holes 25, the curtain 2 can cut to form the shielding part 242 along desired guiding trajectory, and the desired guiding trajectory and the company
Region between socket part 241 forms the anti-air holes 25.Need to learn, the figure of the desired guiding trajectory must be with the shielding part
242 shape is adapted, i.e., can be pre-designed on the curtain 2 and the shielding part 242 when designing the shielding part 242
The desired guiding trajectory that shape matches, then cut according to the desired guiding trajectory on curtain 2 and form the shielding part 242.Due to the screening
Cap 242 is that therefore, this presets rail by the way that cutting is formed on curtain and the shielding part 242 is for covering anti-air holes 25
Region between mark and the connecting portion 241 is the region of the anti-air holes 25, that is to say, that the desired guiding trajectory and connecting portion
Region between 241 forms the anti-air holes 25.It can learn, the shapes and sizes of the shielding part 242 and the anti-air holes 25
Shapes and sizes it is consistent.
Further, it can effectively ensure that the imaging effect of curtain 2 in order to ensure being formed on curtain 2 after the anti-air holes 25
And Wind-Pressure Resistance effect, the shape of the anti-air holes 25 can be for inverted trapezoidal, U-shaped, approximate bowl structure or approximate feather chondritic (not
Diagram), because shielding part is consistent with shape, the size of anti-air holes, therefore shielding part is also inverted trapezoidal, U-shaped, approximate bowl-shape knot
Structure or approximate feather chondritic.
Preferably, in order to ensure flatness of the curtain when being not affected by blast or blast is smaller, with good imaging
Effect, the anti-air holes are preferably the hole of falling isosceles trapezoid, that is to say, that the anti-air holes is along parallel to the section in curtain plane
It is shaped as down isosceles trapezoid.Due to the shape of the anti-air holes 25 and the shape of the shielding part 242 be it is consistent, therefore, the covering
Cross sectional shape of the portion 242 on parallel to curtain is also isosceles trapezoid.
Wherein, the anti-air holes uses the set-up mode in the hole of falling isosceles trapezoid, it is ensured that on curtain after perforate, at bore edges
Curtain will not produce larger deformation, so as to advantageously ensure that the flatness of curtain, and then be advantageous to the imaging effect of curtain.
It is understood that in other embodiments, anti-air holes can be circular hole, tri-angle-holed or square hole.
Further, the isosceles trapezoid that should fall encloses shape by upper bottom a, first side b, bottom c and second side d successively
Into.To be formed because the shielding part 242 is cut on curtain 2 by desired guiding trajectory, and after dicing the desired guiding trajectory with being connected
Region between portion 241 forms anti-air holes 25, that is to say, that the desired guiding trajectory is by second side d, upper bottom a and first
The track that side b is formed, therefore, the connection track 241a of the connecting portion 241 and curtain 2 are that this falls the bottom c of isosceles trapezoid.
In addition, pull energy with the anti-tear of second side d junctions with first side b junctions and bottom c to strengthen bottom c
Power, first is provided between first side b and bottom c and prevents tearing structure, is set between second side d and bottom c
There is second to prevent tearing structure.
Further, this first anti-tear structure second anti-to tear structure can be convex structure with this.Such as Figure 10 institutes
Show, the first anti-one end for tearing structure is connected with first side b, the first anti-other end for tearing structure and bottom c
Connection, so as to forming the first arc-shaped transition structure 26 between first side b and bottom c, this second anti-tears structure
One end is connected with second side d, and the second anti-other end for tearing structure is connected with bottom c, so as in second side d
And the second arc-shaped transition structure 27 is formed between the c of the bottom, and then when curtain is by larger Action of Wind pressure, the screening can be strengthened
The tear resistance for the end of connecting portion 241 being connected in block piece 24 with curtain 2, so as to effectively reduce curtain when being pressed by high wind
There is the probability of tear damage situation.
Preferably, this first it is anti-tear structure with this second it is anti-to tear structure can also be manhole, as shown in figure 11, this
First side b with this first it is anti-tear structure and be connected, bottom c first prevents that tearing structure is connected with this, so that in first side
The first concave arc v notch v 26a can be formed between side b and bottom c；Second side d with this second it is anti-tear structure and be connected, this
Bottom c with this second it is anti-tear structure and be connected, lacked so that the second arcs of recesses can be formed between second side d and bottom c
Mouth 27b, and then when curtain is by larger Action of Wind pressure, the connecting portion 241 being connected with curtain 2 will be by equal blast work
With, and the dispersible blast for acting on the end of connecting portion 241 of the manhole, so as to reduce wind to the end of connecting portion 241
The tear in portion, enhance the tear resistance of the end of connecting portion 241.
Further, on the curtain 2 all anti-air holes 25 area sum for the area of plane of curtain 2 60%~
80%.That is, when the anti-air holes 25 is the inverted trapezoidal hole being arranged on curtain 2, the area sum in all inverted trapezoidal holes
As the 60%~80% of the area of plane of the curtain 2.Using this design, can not only effectively ensure windproof on curtain 2
Air quantity is crossed in hole, it is ensured that its Wind-Pressure Resistance effect, while curtain 2 tension force of itself can also be effectively ensured, carrying out performance imaging
When, it also can effectively ensure that its imaging effect.
Preferably, the area sum of all anti-air holes 25 on the curtain 2 is the 68% of the area of plane of curtain 2.Can be with
Understand, in other embodiments, the area sum of all anti-air holes 25 can also be the area of plane of curtain 2 on the curtain 2
60%, 65%, 70%, 72%, 75%, 78% or 80% etc..
In the present embodiment, as shown in figure 12, when curtain is by Action of Wind pressure, the shielding part 242 that is connected to curtain 2
Will be because by the blast equal with curtain and as wind direction swing back and forth, now, the anti-air holes 25 that covered portion 242 covers in
Expose 6 because of the swing of shielding part 242, so that wind energy reduces the blast that curtain is born, entered enough by the anti-air holes 25
And strengthen the Wind-Pressure Resistance ability of curtain.
Fig. 1 and Fig. 6 are referred to, in the present embodiment, provided with some anti-between two adjacent connecting rods 23 on the curtain 2
Air holes 25, and along the length bearing of trend and width bearing of trend of the curtain 2, it is impartial between adjacent two anti-air holes 25
Away from setting.That is, curtain 2 is divided into the region of some equal areas by some connecting rods 23, in each piece of region
Be both provided with the anti-air holes 25, and between the quantity of the anti-air holes in each piece of region, adjacent two anti-air holes between
Away from and each region to region adjacent thereto in, the spacing between collinear two neighboring anti-air holes is equal
It is equal.
Further, the curtain also includes the suture of equidistant spread configuration on some length bearing of trends along the curtain 2
Structure (not shown), respectively the suture texture be extended along the width of the curtain 2, respectively the suture texture with the curtain
2 connections form hollow cylinder hole (not shown), and the connecting rod 23 is arranged in the cylinder hole, so as to solve connecting rod 23
Directly it is connected with curtain surface and so that the problem of connecting rod 23 easily comes off from curtain, while adopt in manner just described can also be just
In the assembly and disassembly of connecting rod and curtain.
Further, the suture texture can be to be sewn to the cloth with the phase same material of curtain 2 is equidistant on curtain 2 and shape
Into, that is to say, that it is equidistant on the length bearing of trend of curtain 2 to be sewed with some blocks of clothes, and per cloth along curtain
The width extension suture of cloth 2, so as to form hollow cylinder hole between curtain 2 and cloth.
In the present embodiment, by setting anti-air holes 25 and corresponding anti-air holes to set some block pieces 24, profit on curtain 2
Connect curtain 2 with the connecting portion 241 of block piece 24, the shielding part 242 of block piece 24 covers anti-air holes 25, so as to when curtain by
During Action of Wind pressure, shielding part 242 can opposing connections 241 swing back and forth so that wind is by anti-air holes 25, and then reduce
The blast that curtain is born, high wind pressure is avoided to cause to damage to curtain.In addition, when the blast that curtain is not affected by blast or is subject to is smaller
When, the shielding part 242 is completely covered by the anti-air holes 25, so as to effectively ensure the imaging effect of curtain.
Compared with prior art, the embodiment of the present invention has the advantages that：
City roof screen system provided in an embodiment of the present invention, by setting the first tightening part of curtain to be fixed with fixation kit
Connection, so that the first tightening part is fixed with respect to ground, while sets the second tightening part of curtain to be connected with vertical shaft, utilizes vertical shaft card
It is connected in stop collar to realize the second tightening part with respect to the effect that ground is fixed.And it can be held when the blast that curtain is born is more than it
During the maximum wind pressure received, the second tightening part is pullled vertical shaft by the effect of blast so that pulling force of the vertical shaft in second tightening part
Depart under effect from stop collar, now, relatively emaciated face is from and in the state freely drifted for the second tightening part, so as to effectively
The blast that is subject to of curtain is reduced, and then avoids the occurrence of the situation that curtain is damaged or support body collapses.
A kind of city roof screen system disclosed in the embodiment of the present invention is described in detail above, tool used herein
Body example is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands this hair
Bright city roof screen system and its core concept；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention,
There will be changes in specific embodiments and applications, to sum up, this specification content should not be construed as to the present invention
Limitation.
Claims (10)
- A kind of 1. city roof screen system, it is characterised in that including：Truss；Curtain, the curtain include first end and the second end being oppositely arranged, and the first end is fixed on the truss, described Second end includes the first tightening part and the second tightening part being oppositely arranged；Fixation kit, the fixation kit is fixedly arranged on ground, and the fixation kit is fixedly connected with first tightening part；Disengaging gear is overloaded, the overload disengaging gear includes stop collar and vertical shaft, and one end of the stop collar has opening court On host cavity, the other end of the stop collar is used to be fixedly arranged on the ground；One end of the vertical shaft is fixedly connected with second tightening part, and the other end of the vertical shaft is slidably connected to the collecting Chamber, the other end of the vertical shaft are slidably connected in the host cavity, so that the relatively described ground of second tightening part is consolidated It is fixed；Or the other end of the vertical shaft slidably departs from the host cavity, so that second tightening part emaciated face relatively describedly From.
- 2. city roof screen system according to claim 1, it is characterised in that when the pulling force that second tightening part is subject to is big When its maximum bears pulling force, the other end of the vertical shaft slidably departs from the host cavity, so that the second tightening part phase The ground is departed from.
- 3. city roof screen system according to claim 2, it is characterised in that the stop collar includes at least one connection group Part, each connection component in the host cavity, each connection component include elastic component and with the elastic component The compressing member of one end connection, the other end of the elastic component are connected to the internal face of the host cavity, each equal court of compressing member To the centrally disposed of the host cavity, when the other end of the vertical shaft is located in the host cavity, the compressing member is connected to The other end of the vertical shaft；When the pulling force that second tightening part is subject to bears pulling force more than its maximum, the vertical shaft it is another One end extrudes the compressing member in the presence of the pulling force so that the compressing member extrude the elastic component and with the vertical shaft The other end depart from, now, the other end of the vertical shaft slidably departs from the host cavity.
- 4. city roof screen system according to claim 3, it is characterised in that the connection component also includes hollow connection Set, one end of the adapter sleeve are fixed in the internal face of the host cavity, and the other end of the adapter sleeve is towards the host cavity Centroclinal contraction and form contraction mouth, the elastic component is fixedly arranged in the adapter sleeve, and the compressing member is slidably connected to The adapter sleeve；When the other end of the vertical shaft is located in the host cavity, the compressing member is slidably located at the contraction mouth to part Abut outside and with the other end of the vertical shaft；When the pulling force that second tightening part is subject to bears pulling force more than its maximum, institute The other end for stating vertical shaft extrudes the compressing member in the presence of the pulling force, so that the compressing member slides into the contraction mouth Interior and extrude the elastic component, now, the other end of the vertical shaft slidably departs from the host cavity.
- 5. the city roof screen system according to claim 3 or 4, it is characterised in that be provided with the other end of the vertical shaft The neck that the corresponding compressing member is set, when the other end of the vertical shaft is located in the host cavity, the compressing member clamping In the neck.
- 6. city roof screen system according to claim 1, it is characterised in that the curtain is provided with some anti-air holes and right Some block pieces for answering some anti-air holes to set, each block piece include connecting portion and affixed with the connecting portion Shielding part, the connecting portion is fixedly connected on the curtain, and the shielding part is used to cover the anti-air holes, when the curtain During by Action of Wind pressure, the shielding part can relatively described curtain plane swing back and forth, to expose the anti-air holes.
- 7. city roof screen system according to claim 6, it is characterised in that the curtain cuts to form institute along desired guiding trajectory Shielding part is stated, the region between the desired guiding trajectory and the connecting portion forms the anti-air holes.
- 8. the city roof screen system according to claim 1 or 7, it is characterised in that the curtain is provided with some along described The connecting rod being placed equidistant on the length direction of curtain, and width of the length bearing of trend of each connecting rod with the curtain Spend bearing of trend it is consistent, the both ends of each connecting rod are equipped with annulus, positioned at the connecting rod with one end each The center of the annulus is respectively positioned on same straight line.
- 9. city roof screen system according to claim 8, it is characterised in that the fixation kit include bottom of pond embedded board and First pulley, the bottom of pond embedded board are fixed on the ground, and the first pulley is fixedly arranged on the bottom of pond embedded board, described First pulley is fixedly connected with first tightening part, so that first tightening part is fixed on the ground, the overload is de- Opening apparatus also includes second pulley, and the second pulley is fixedly arranged on one end of the vertical shaft, the second pulley and described the Two tightening part are fixedly connected.
- 10. city roof screen system according to claim 9, it is characterised in that the city roof screen system also includes first Steel wire rope and the second steel wire rope, one end of first steel wire rope are fixedly connected with the truss, first steel wire rope it is another One end is placed through the connecting rod with each described annulus of one end and is fixedly connected with the first pulley；One end of second steel wire rope is connected with the truss, and the other end of second steel wire rope is placed through the connection Each described annulus of the bar other end is simultaneously fixedly connected with the second pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829710.9A CN107463061B (en) | 2017-09-13 | 2017-09-13 | A kind of city roof screen system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829710.9A CN107463061B (en) | 2017-09-13 | 2017-09-13 | A kind of city roof screen system |
Publications (2)
| Publication Number | Publication Date |
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| CN107463061A true CN107463061A (en) | 2017-12-12 |
| CN107463061B CN107463061B (en) | 2019-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710829710.9A Active CN107463061B (en) | 2017-09-13 | 2017-09-13 | A kind of city roof screen system |
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| CN (1) | CN107463061B (en) |
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|---|---|---|---|---|
| CN2884261Y (en) * | 2006-01-23 | 2007-03-28 | 刘柏林 | Means for fixing inflation type projection-screen |
| DE202007005939U1 (en) * | 2007-04-25 | 2007-08-16 | Hje Systembau Eickhoff Gmbh & Co. Kg | Device for displaying still and moving pictures |
| CN101048698A (en) * | 2004-09-17 | 2007-10-03 | 保罗·柯乐比 | Screen assembly |
| US7489444B1 (en) * | 2007-10-19 | 2009-02-10 | Bright View Technologies, Inc. | Portable front projection screen assemblies with flexible screens |
| JP2009113436A (en) * | 2007-11-09 | 2009-05-28 | Sakawa:Kk | Movable board |
| CN201421539Y (en) * | 2009-11-10 | 2010-03-10 | 张华男 | Portable mobile ground projection screen rod device |
| JP2013083746A (en) * | 2011-10-07 | 2013-05-09 | Seiko Epson Corp | Screen |
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2017
- 2017-09-13 CN CN201710829710.9A patent/CN107463061B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101048698A (en) * | 2004-09-17 | 2007-10-03 | 保罗·柯乐比 | Screen assembly |
| CN2884261Y (en) * | 2006-01-23 | 2007-03-28 | 刘柏林 | Means for fixing inflation type projection-screen |
| DE202007005939U1 (en) * | 2007-04-25 | 2007-08-16 | Hje Systembau Eickhoff Gmbh & Co. Kg | Device for displaying still and moving pictures |
| US7489444B1 (en) * | 2007-10-19 | 2009-02-10 | Bright View Technologies, Inc. | Portable front projection screen assemblies with flexible screens |
| JP2009113436A (en) * | 2007-11-09 | 2009-05-28 | Sakawa:Kk | Movable board |
| CN201421539Y (en) * | 2009-11-10 | 2010-03-10 | 张华男 | Portable mobile ground projection screen rod device |
| JP2013083746A (en) * | 2011-10-07 | 2013-05-09 | Seiko Epson Corp | Screen |
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| Publication number | Publication date |
|---|---|
| CN107463061B (en) | 2019-08-30 |
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