CN112267726B - Lifting type isolation screen - Google Patents
Lifting type isolation screen Download PDFInfo
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- CN112267726B CN112267726B CN202011003281.8A CN202011003281A CN112267726B CN 112267726 B CN112267726 B CN 112267726B CN 202011003281 A CN202011003281 A CN 202011003281A CN 112267726 B CN112267726 B CN 112267726B
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- barrier
- wheel
- control rod
- driving
- driving wheel
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
- E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
- E04H3/22—Theatres; Concert halls; Studios for broadcasting, cinematography, television or similar purposes
- E04H3/24—Constructional features of stages
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- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a lifting type isolation screen, and relates to the technical field of stage devices; the device comprises a notch positioned on the floor, a plugging plate hinged on one side of the notch and flush with the upper surface of the floor, a barrier with the upper end abutting against the lower side of the plugging plate, a driving mechanism for driving the barrier to move up and down, and a rotating mechanism for driving the plugging plate to rotate; the invention provides a lifting type isolation screen which is good in safety. The plugging plate is used for preventing feet of people on the stage from stepping into the notch; and the barrier plays the effect of keeping apart on the one hand, and on the other hand plays the effect of supporting the shutoff board, improves the compressive capacity of shutoff board.
Description
Technical Field
The invention belongs to the technical field of stage devices, and particularly relates to a lifting type isolation screen.
Background
An isolation screen is often needed to be used as a partition on the stage.
The existing lifting type isolation screen is usually in a hanging type, so that people on a stage are more, the possibility of falling off due to the hanging type isolation screen is high, and the safety is poor.
Disclosure of Invention
The invention aims to overcome the defect of poor safety in the prior art, and provides a lifting type isolation screen which is good in safety.
In order to achieve the purpose, the invention adopts the following technical scheme:
a lifting type isolation screen comprises a notch positioned on a floor, a plugging plate hinged to one side of the notch and flush with the upper surface of the floor, a barrier with the upper end abutting against the lower side of the plugging plate, a driving mechanism for driving the barrier to move up and down, and a rotating mechanism for driving the plugging plate to rotate;
when the barrier is to be lifted, the driving mechanism drives the barrier to move downwards, then the rotating mechanism rotates the plugging plate downwards, and then the driving mechanism drives the barrier to pass through the notch to move upwards;
when the protective screen needs to be hidden, the driving mechanism drives the protective screen to move downwards to the lower side of the notch, then the rotating mechanism rotates the plugging plate upwards, the plugging plate is flush with the upper surface of the floor, then the driving mechanism drives the protective screen upwards, and the upper end of the protective screen abuts against the lower side of the plugging plate.
The plugging plate is used for preventing feet of people on the stage from stepping into the notch; and the barrier plays the effect of keeping apart on the one hand, and on the other hand plays the effect of supporting the shutoff board, improves the compressive capacity of shutoff board.
Preferably, the rotating mechanism comprises a coil spring which is arranged between the plugging plate and the notch and is used for driving the plugging plate to move upwards, a support plate fixedly connected to the lower side of the floor, an L-shaped sliding rail arranged on the support plate, a sliding block connected to the sliding rail in a sliding manner, a connecting rod with one end rotatably connected with the sliding block, a first control rod arranged at one end of the sliding rail, a second control rod arranged at the other end of the sliding rail, a transmission line arranged along the direction of the sliding rail, a first reversing wheel rotatably connected to the support plate, a second reversing wheel rotatably connected to the support plate, a chain arranged between the first reversing wheel and the second reversing wheel, a first pull line which is used for connecting the chain and the first control rod and bypasses the first reversing wheel, a second pull line which is used for connecting the chain and the second control rod and bypasses the second reversing wheel, a transmission wheel with one side matched with the chain and rotatably connected to the support plate, a second pull line which is used for connecting the chain and the second control rod and a second control rod, The slide rail comprises a vertical section and a transverse section positioned at the bottom end of the vertical section and facing to one side of the barrier, the first control rod is positioned at one end of the vertical section and facing to the transverse section, the first control rod and the second control rod are both connected to the support plate in a sliding manner, one end of the transmission line is connected with the first control rod, the other end of the transmission line is connected with a second control rod, the first pull line, the second pull line, the chain, the first control rod, the second control rod and the transmission line form a triangle, one end of the first control rod close to the slide rail or one end of the second control rod close to the slide rail are positioned in the corresponding end of the slide rail, the supporting plate and the plugging plate are positioned on the same side of the barrier, and the upper end of the connecting rod is always inclined towards one side of the barrier;
when the sliding block is positioned at one end of the vertical section far away from the transverse section, one end of the second control rod close to the vertical section is positioned in the transverse section, and the third reversing wheel is positioned below the vertical section;
when the slider is located the one end that the vertical section was kept away from to the horizontal section, the one end that first control lever is close to the horizontal section is located the vertical section, and the third switching-over wheel is located the one side that the barrier was kept away from to the horizontal section.
The mechanical principle is adopted to realize the matching movement of the plugging plate and the barrier, and the structure is simple.
Preferably, the radius of the rotary bar transmission wheel is smaller than the radius of the second rotary bar transmission wheel. Because a friction layer (used for increasing the friction force between the second rotating rod transmission wheel and the supporting plate and used for supporting the third reversing wheel is arranged between the second rotating rod transmission wheel and the supporting plate, the third reversing wheel can not move when the third reversing wheel drives the pull wire to pull the sliding block to move), the radius of the rotating rod transmission wheel is smaller than that of the second rotating rod transmission wheel, and the second rotating rod transmission wheel can be rotated under the action of the rotating rod transmission belt.
Preferably, the radius of the turn bar transmission wheel is 1/2 of the radius of the second turn bar transmission wheel.
Preferably, the barrier upper end abuts against an end of the blanking panel remote from the hinged end of the blanking panel. The pressure resistance of the plugging plate is improved.
Preferably, the drive mechanism is a cylinder. Cylinders are mature prior art.
Preferably, the drive mechanism is a cylinder. Oil cylinders are mature prior art.
The invention has the beneficial effects that: the invention provides a lifting type isolation screen which is good in safety. The plugging plate is used for preventing feet of people on the stage from stepping into the notch; and the barrier plays the effect of keeping apart on the one hand, and on the other hand plays the effect of supporting the shutoff board, improves the compressive capacity of shutoff board.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the barrier descending to drive the slider to descend;
FIG. 3 is a schematic view of the rotation of the lever under the influence of the coil spring and the upward movement of the barrier through the slot;
FIG. 4 is a schematic view of the barrier descending to move the slider toward the vertical section;
figure 5 is a schematic view of the closure plate blocking the notch and the barrier moving upwardly against the closure plate under the influence of the coil spring.
In the figure: the device comprises a floor 1, a notch 2, a plugging plate 3, a barrier 4, a support plate 5, a slide rail 6, a slide block 7, a connecting rod 8, a first control rod 9, a second control rod 10, a transmission line 11, a first reversing wheel 12, a second reversing wheel 13, a transmission wheel 14, a chain 16, a first pull line 17, a second pull line 18, a rotating rod transmission belt 20, a rotating rod 21, a third reversing wheel 22, a driving pull line 23, a vertical section 24, a horizontal section 25, a rotating rod transmission wheel 26 and a second rotating rod transmission wheel 27.
Detailed Description
The invention is explained in further detail below with reference to the drawings and the detailed description:
example (b):
referring to fig. 1 to 5, the lifting type isolation screen comprises a notch 2 positioned on a floor 1, a plugging plate 3 hinged on one side of the notch 2 and flush with the upper surface of the floor 1, a barrier 4 with the upper end abutting against the lower side of the plugging plate 3, a driving mechanism (an air cylinder or an oil cylinder) for driving the barrier 4 to move up and down, and a rotating mechanism for driving the plugging plate 3 to rotate; when the barrier 4 is to be lifted, the driving mechanism drives the barrier 4 to move downwards, then the rotating mechanism rotates the plugging plate downwards, and then the driving mechanism drives the barrier 4 to move upwards through the notch 2; when the barrier 4 needs to be hidden, the driving mechanism drives the barrier 4 to move downwards to the position below the notch 2, then the rotating mechanism rotates the plugging plate upwards, the plugging plate is flush with the upper surface of the floor 1, then the driving mechanism drives the barrier 4 upwards, and the upper end of the barrier 4 abuts against the lower side of the plugging plate; the upper end of the barrier 4 rests against the end of the closure plate remote from the hinged end of the closure plate.
The rotating mechanism comprises a coil spring which is positioned between the plugging plate and the notch 2 and is used for driving the plugging plate to move upwards, a supporting plate 5 which is fixedly connected to the lower side of the floor 1, an L-shaped sliding rail 6 which is positioned on the supporting plate 5, a sliding block 7 which is connected to the sliding rail 6 in a sliding way, a connecting rod 8 of which one end is rotatably connected with the sliding block 7, a first control rod 9 which is positioned at one end of the sliding rail 6, a second control rod 10 which is positioned at the other end of the sliding rail 6, a transmission line 11 which is arranged along the trend of the sliding rail 6, a first reversing wheel 12 which is rotatably connected to the supporting plate 5, a second reversing wheel 13 which is rotatably connected to the supporting plate 5, a chain 16 which is positioned between the first reversing wheel 12 and the second reversing wheel 13, a first pull line 17 which is used for connecting the chain 16 and the first control rod 9 and bypasses the first reversing wheel 12, and a second pull line 18 which is used for connecting the chain 16 and the second control rod 10 and bypasses the second reversing wheel 13, A driving wheel 14 with one side matched with the chain 16 and rotatably connected to the supporting plate 5, a rotating rod driving wheel 26 coaxial with and fixedly connected with the driving wheel 14, a second rotating rod driving wheel 27 rotatably connected to the supporting plate 5, a friction layer positioned between the second rotating rod driving wheel 27 and the supporting plate 5, a rotating rod driving belt 20 positioned between the rotating rod driving wheel 26 and the second rotating rod driving wheel 27, a rotating rod 21 with one end fixedly connected to the second rotating rod driving wheel 27, a third reversing wheel 22 rotatably connected to one end of the rotating rod 21 far away from the second rotating rod driving wheel 27, and a driving stay wire 23 with one end connected to the sliding block 7, wherein the radius of the rotating rod driving wheel 26 is smaller than that of the second rotating rod driving wheel 27; the radius of the rotating rod driving wheel 26 is 1/2 of the radius of the second rotating rod driving wheel 27; the slide rail 6 comprises a vertical section 24 and a transverse section 25 positioned at the bottom end of the vertical section 24 and facing one side of the barrier 4, the first control rod 9 is positioned at one end of the vertical section 24 far away from the transverse section 25, the first control rod 9 and the vertical section 24 have the same trend, the second control rod 10 is positioned at one end of the transverse section 25 far away from the vertical section 24, the second control rod 10 and the transverse section 25 have the same trend, the first control rod 9 and the second control rod 10 are both connected on the support plate 5 in a sliding manner, one end of the transmission line 11 is connected with the first control rod 9, the other end of the transmission line 11 is connected with the second control rod 10, the first pull line 17, the second pull line 18, the chain 16, the first control rod 9, the second control rod 10 and the transmission line 11 form a triangle, one end of the first control rod 9 close to the slide rail 6 or one end of the second control rod 10 close to the slide rail 6 is positioned in the corresponding end of the slide rail 6, the supporting plate 5 and the plugging plate are positioned on the same side of the barrier 4, and the upper end of the connecting rod 8 always inclines towards one side of the barrier 4; when the slide block 7 is positioned at one end of the vertical section 24 far away from the transverse section 25, one end of the second control rod 10 close to the vertical section 24 is positioned in the transverse section 25, and the third reversing wheel 22 is positioned below the vertical section 24; when the slider 7 is located at the end of the transverse section 25 remote from the vertical section 24, the end of the first control rod 9 close to the transverse section 25 is located in the vertical section 24 and the third diverting pulley 22 is located at the side of the transverse section 25 remote from the barrier 4.
Principle of embodiment:
in an initial state, the barrier 4 is hidden under the floor 1, the plugging plate is flush with the floor 1, and the upper end of the barrier 4 abuts against the plugging plate and is used for increasing the pressure resistance of the plugging plate; the second rotating rod transmission wheel 27 is positioned above the third reversing wheel 22, the third reversing wheel 22 is positioned below the vertical section 24, and the slide block 7 is positioned at the upper end of the vertical section 24; the end of the second control rod 10 is located inside the end of the cross section 25 facing the barrier 4;
when the barrier 4 is to be lifted, the driving mechanism is operated to firstly lower the barrier 4, at this time, the pulling wire 23 is driven to pull the slider 7 downwards, the slider 7 is lowered along the vertical section 24, meanwhile, the blocking plate is rotated downwards, when the slider 7 moves to the lower end of the vertical section 24, under the action of the coil spring, the connecting rod 8 applies a pulling force to the slider 7, the pulling force can be decomposed into an upward force and a force towards the barrier 4, (at this time, the barrier 4 stops being lowered) to drive the pulling wire 23 to counteract the upward force, therefore, when the slider 7 facing the force of the barrier 4 moves towards the barrier 4 along the horizontal section 25, the slider 7 reaches the end part of the horizontal section 25 and pushes the second control rod 10 to move for a certain distance (in the process, the blocking plate rotates upwards for a certain angle, the blocking plate is not flush with the floor 1 after rotating, and the notch 2 is exposed), the second control rod 10 pulls the first control rod 9 downwards for a certain distance under the action of the driving wire 11, the lower end of the first control rod 9 enters the inner part of the upper end of the vertical section 24, under the action of the first control rod 9, the first pull wire 17 moves to drive the chain 16 to move, drive the transmission wheel 14 to rotate, drive the rotating rod transmission wheel 26 to rotate, drive the second rotating rod transmission wheel 27 to rotate, drive the rotating rod 21 to rotate, and the third reversing wheel 22 rotates to one end of the transverse section 25 away from the barrier 4; at this point, since the slot 2 is partially exposed, the barrier moves upwards through the slot 2 under the action of the drive mechanism, eventually raising one barrier above the stage.
When the barrier needs to be lowered, the barrier moves downwards to the lower part of the floor 1 under the action of a driving mechanism, a slider 7 moves towards a vertical section 24 along a transverse section 25 under the action of a driving pull wire 23, the driving mechanism stops running when the slider 7 moves to one end of the transverse section 25 towards the vertical section 24, a connecting rod 8 has an upward component force on the slider 7 under the action of a coil spring, then the slider 7 moves upwards along the vertical section 24, the slider 7 pushes a first control rod 9 upwards, the slider 7 reaches the upper end of the vertical section 24, the first control rod 9 moves upwards for a certain distance (when the slider is positioned at the upper end of the vertical section 24, a blocking plate is flush with the floor 1 again), a second control rod 10 moves towards the vertical section 24 for a certain distance under the action of a driving line 11, the end part of the second control rod 10 enters the end part of the transverse section, at the moment, a chain 16 moves for a certain distance, and the chain 16 drives a driving wheel 14 to rotate, the rotary bar transmission wheel 26 rotates, the second rotary bar transmission wheel 27 rotates, the rotary bar 21 rotates, and the third reversing wheel 22 rotates to the initial position; the barrier 4 is then moved upwards against the underside of the blanking panel by the action of the drive mechanism.
Claims (6)
1. A lifting type isolation screen is characterized by comprising a notch positioned on a floor, a plugging plate hinged on one side of the notch and flush with the upper surface of the floor, a barrier with the upper end abutting against the lower side of the plugging plate, a driving mechanism for driving the barrier to move up and down, and a rotating mechanism for driving the plugging plate to rotate;
when the barrier is to be lifted, the driving mechanism drives the barrier to move downwards, then the rotating mechanism rotates the plugging plate downwards, and then the driving mechanism drives the barrier to pass through the notch to move upwards;
when the barrier needs to be hidden, the driving mechanism drives the barrier to move downwards to the position below the notch, then the rotating mechanism rotates the plugging plate upwards, the plugging plate is flush with the upper surface of the floor, then the driving mechanism drives the barrier upwards, and the upper end of the barrier abuts against the lower side of the plugging plate;
the rotating mechanism comprises a coil spring which is positioned between the plugging plate and the notch and is used for driving the plugging plate to move upwards, a supporting plate fixedly connected to the lower side of the floor, an L-shaped sliding rail positioned on the supporting plate, a sliding block connected to the sliding rail in a sliding mode, a connecting rod with one end rotatably connected with the sliding block, a first control rod positioned at one end of the sliding rail, a second control rod positioned at the other end of the sliding rail, a transmission line arranged along the direction of the sliding rail, a first reversing wheel rotatably connected to the supporting plate, a second reversing wheel rotatably connected to the supporting plate, a chain positioned between the first reversing wheel and the second reversing wheel, a first pull line which is used for connecting the chain and the first control rod and bypasses the first reversing wheel, a second pull line which is used for connecting the chain and the second control rod and bypasses the second reversing wheel, a driving wheel with one side matched with the chain and rotatably connected to the supporting plate, a driving wheel which is used for driving the chain to move upwards, a driving wheel which is used for driving the chain to drive the chain to move upwards, a driving wheel which is used for driving wheel to drive the chain to drive the driving wheel, a driving wheel which is used for driving wheel to drive the driving wheel, a driving wheel which is used for driving wheel, and a driving wheel which is used for driving wheel which is connected to drive the driving wheel, and the driving wheel is connected to drive the driving wheel, and the driving wheel, the slide rail comprises a vertical section and a transverse section positioned at the bottom end of the vertical section and facing to one side of the barrier, the first control rod is positioned at one end of the vertical section and facing to the transverse section, the first control rod and the second control rod are both connected to the support plate in a sliding manner, one end of the transmission line is connected with the first control rod, the other end of the transmission line is connected with a second control rod, the first pull line, the second pull line, the chain, the first control rod, the second control rod and the transmission line form a triangle, one end of the first control rod close to the slide rail or one end of the second control rod close to the slide rail are positioned in the corresponding end of the slide rail, the supporting plate and the plugging plate are positioned on the same side of the barrier, and the upper end of the connecting rod is always inclined towards one side of the barrier;
when the sliding block is positioned at one end of the vertical section far away from the transverse section, one end of the second control rod close to the vertical section is positioned in the transverse section, and the third reversing wheel is positioned below the vertical section;
when the slider is located the one end that the vertical section was kept away from to the horizontal section, the one end that first control lever is close to the horizontal section is located the vertical section, and the third switching-over wheel is located the one side that the barrier was kept away from to the horizontal section.
2. The elevating screen of claim 1 wherein the radius of the turret drive wheel is less than the radius of the second turret drive wheel.
3. The elevating screen of claim 1, wherein the radius of the turn bar drive wheel is 1/2 times the radius of the second turn bar drive wheel.
4. The elevating screen as set forth in claim 1, wherein the upper end of the barrier abuts an end of the blanking panel remote from the hinged end of the blanking panel.
5. The elevating screen of claim 1 wherein the drive mechanism is a pneumatic cylinder.
6. The elevating screen as claimed in claim 1, 2, 3 or 4, wherein the drive mechanism is a cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011003281.8A CN112267726B (en) | 2020-09-22 | 2020-09-22 | Lifting type isolation screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011003281.8A CN112267726B (en) | 2020-09-22 | 2020-09-22 | Lifting type isolation screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112267726A CN112267726A (en) | 2021-01-26 |
| CN112267726B true CN112267726B (en) | 2022-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011003281.8A Active CN112267726B (en) | 2020-09-22 | 2020-09-22 | Lifting type isolation screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112267726B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1021354C2 (en) * | 2002-08-29 | 2004-03-02 | Prolyte Vastgoed B V | Pulling device and pulling element. |
| CN201991262U (en) * | 2011-02-23 | 2011-09-28 | 许昌义 | Lift stage with front curtain |
| CN105507621A (en) * | 2016-01-06 | 2016-04-20 | 中国科学院浙江数字内容研究院 | Lifting fence for stages |
| CN106351475A (en) * | 2016-08-30 | 2017-01-25 | 上海大学 | Arrangement and lifting device of multi-functional activity room site |
| CN106512442A (en) * | 2016-12-13 | 2017-03-22 | 华强方特（芜湖）文化科技有限公司 | Stage capable of automatically hiding prop wall |
| CN106621408A (en) * | 2016-12-13 | 2017-05-10 | 华强方特（芜湖）文化科技有限公司 | Stage capable of automatically lifting and hiding props for entertainment |
| CN106760692A (en) * | 2016-12-13 | 2017-05-31 | 华强方特（芜湖）文化科技有限公司 | A kind of entertainment stage property automatic telescopic stage |
| CN108744554A (en) * | 2018-06-16 | 2018-11-06 | 刘闪闪 | A kind of stage property wall for stage performance |
-
2020
- 2020-09-22 CN CN202011003281.8A patent/CN112267726B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1021354C2 (en) * | 2002-08-29 | 2004-03-02 | Prolyte Vastgoed B V | Pulling device and pulling element. |
| CN201991262U (en) * | 2011-02-23 | 2011-09-28 | 许昌义 | Lift stage with front curtain |
| CN105507621A (en) * | 2016-01-06 | 2016-04-20 | 中国科学院浙江数字内容研究院 | Lifting fence for stages |
| CN106351475A (en) * | 2016-08-30 | 2017-01-25 | 上海大学 | Arrangement and lifting device of multi-functional activity room site |
| CN106512442A (en) * | 2016-12-13 | 2017-03-22 | 华强方特（芜湖）文化科技有限公司 | Stage capable of automatically hiding prop wall |
| CN106621408A (en) * | 2016-12-13 | 2017-05-10 | 华强方特（芜湖）文化科技有限公司 | Stage capable of automatically lifting and hiding props for entertainment |
| CN106760692A (en) * | 2016-12-13 | 2017-05-31 | 华强方特（芜湖）文化科技有限公司 | A kind of entertainment stage property automatic telescopic stage |
| CN108744554A (en) * | 2018-06-16 | 2018-11-06 | 刘闪闪 | A kind of stage property wall for stage performance |
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| Publication number | Publication date |
|---|---|
| CN112267726A (en) | 2021-01-26 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20210126 Assignee: Songyang County Wonderful Advertising Co.,Ltd. Assignor: JIANG University OF TECHNOLOGY Contract record no.: X2023980037615 Denomination of invention: A lifting isolation screen Granted publication date: 20220503 License type: Common License Record date: 20230706 |
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