CN112916456A - Vocational skill training is with explanation curtain shrink cleaning device - Google Patents
Vocational skill training is with explanation curtain shrink cleaning device Download PDFInfo
- Publication number
- CN112916456A CN112916456A CN202110041001.0A CN202110041001A CN112916456A CN 112916456 A CN112916456 A CN 112916456A CN 202110041001 A CN202110041001 A CN 202110041001A CN 112916456 A CN112916456 A CN 112916456A
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- Prior art keywords
- frame
- contact
- telescopic rod
- curtain
- explanation
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
Landscapes
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
The invention relates to a cleaning device, in particular to a contraction cleaning device of an explanation curtain for vocational skill training. The technical problems to be solved by the invention are as follows: the utility model provides a can clean the curtain automatically, and be convenient for carry out the explanation curtain shrink cleaning device for professional skill training that collects the curtain. An explanation curtain contraction cleaning device for vocational skill training comprises: a base; the lifting component is arranged on the base; the folding assembly is arranged on the lifting assembly; receive the material subassembly, install on folding assembly. The material receiving component can be used in the work of vocational skill training and explanation, when the material receiving component is not needed to be used, the material receiving component can be controlled to receive the projection cloth, the lifting component and the folding component are used for controlling the material receiving component to move downwards, and then the material receiving component can be folded up through the folding component so as to be convenient to carry the device.
Description
Technical Field
The invention relates to a cleaning device, in particular to a contraction cleaning device of an explanation curtain for vocational skill training.
Background
In the course of carrying on in class or training, because the dictation expression can not let the audience memorize comparatively deeply, so can use the projection to be equipped with the picture and carry out the explanation work, when using the projecting apparatus, the stage property of supporting with it is exactly the curtain, need pull open the curtain before the use, alright project the picture to the curtain through the projecting apparatus on, need pack up the curtain after the use, the surface can be stained after the curtain uses for a long time, when cleaning the curtain at present, need the user to use clean stage property manual to carry out cleaning work to the curtain, waste time and energy, and at present the curtain is comparatively troublesome when needing to be packed up.
Therefore, a curtain contraction cleaning device for vocational training, which can automatically clean the curtain and facilitate the collection of the curtain, is particularly needed to solve the problems in the prior art.
Disclosure of Invention
In order to overcome present curtain comparatively waste time and energy when cleaning, and present curtain is comparatively troublesome shortcoming when needs are packed up, technical problem: the utility model provides a can clean the curtain automatically, and be convenient for carry out the explanation curtain shrink cleaning device for professional skill training that collects the curtain.
The technical implementation scheme of the invention is as follows: an explanation curtain contraction cleaning device for vocational skill training comprises: a base; the lifting component is arranged on the base; the folding assembly is arranged on the lifting assembly; receive the material subassembly, install on folding assembly.
Optionally, the lifting assembly comprises: the rotating shaft is arranged on the base; the first telescopic rod is arranged on the rotating shaft; the first connecting frame is arranged on the first telescopic rod; the first spring is arranged between the first connecting frame and the rotating shaft; and the second connecting frame is arranged on the first connecting frame.
Optionally, the folding assembly comprises: the mounting plates are rotatably mounted on two sides of the rotating shaft; the second telescopic rod is arranged on the mounting plate; the discharging frame is arranged on the second telescopic rod; the hinge, the rotary type is installed between the blowing frame, and the hinge is connected with second link rotary type.
Optionally, receive the material subassembly including: the elastic tube is rotatably arranged between the material placing frames; the projection cloth is arranged on the elastic tube; a contact disc mounted on the elastic tube; the pulling belt is arranged on the contact disc; and the gravity blocks are arranged on two sides of the projection cloth.
Optionally, the method further includes: the first mounting frame is mounted on the second telescopic rod on one side; the motor is arranged on the first mounting frame; the first fixing frame is arranged on the first mounting frame; the rotating frame is rotatably arranged on the first fixing frame, and the pulling belt is matched with the rotating frame; and the first flat belt combination is arranged between the rotating frame and the output shaft of the motor.
Optionally, the method further includes: the third connecting frame is arranged on the second telescopic rod; the rotary drum is rotatably arranged on the third connecting frame and is provided with sliding chutes; the second flat belt combination is arranged between the elastic pipe and the rotary drum on the same side; the sliding frame is arranged on the second telescopic rod; the second mounting rack is slidably mounted on the sliding rack; the cleaning brush is rotatably arranged on the second mounting frame; the first contact frame is installed on the second installation frame and matched with the sliding groove.
Optionally, the method further includes: the first contact rod is arranged on the cleaning brush; the torsion spring is arranged between the cleaning brush and the second mounting rack; and the second contact frame is arranged on the material placing frame and matched with the first contact rod.
Optionally, the method further includes: the fourth connecting frame is arranged on the gravity block and is in sliding fit with the second telescopic rod on the same side; the second spring is arranged between the fourth connecting frame and the second telescopic rod on the same side; the special-shaped frame is arranged on the fourth connecting frame on one side; the second fixing frame is arranged on the material placing frame on one side; the clamping plates are arranged on two sides of the second fixing frame in a sliding mode; the third spring is arranged between the clamping plates; and the second contact rod is arranged on the clamping plate and matched with the special-shaped frame.
The invention has the following advantages: 1. the material receiving component can be used in the work of vocational skill training and explanation, when the material receiving component is not needed to be used, the material receiving component can be controlled to collect the projection cloth, the lifting component and the folding component are used for controlling the material receiving component to move downwards, and then the material receiving component can be folded up through the folding component so as to be convenient to carry the device;
2. when the projection cloth is put down or put away, the cleaning brush can be automatically controlled to be in contact with the projection cloth, so that the cleaning brush can clean the projection cloth, and the tidiness of the projection cloth is ensured.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the lifting assembly of the present invention.
Fig. 3 is a perspective view of the folding assembly of the present invention.
FIG. 4 is a schematic perspective view of the receiving assembly of the present invention.
FIG. 5 is a schematic view of a first partial body structure according to the present invention.
FIG. 6 is a schematic view of a second partial body structure according to the present invention.
Fig. 7 is a perspective view of a third embodiment of the present invention.
Fig. 8 is a perspective view of a fourth embodiment of the present invention.
In the reference symbols: 1-a base, 2-a lifting component, 21-a rotating shaft, 22-a first telescopic rod, 23-a first connecting frame, 24-a first spring, 25-a second connecting frame, 3-a folding component, 31-a mounting plate, 32-a second telescopic rod, 33-a discharging frame, 34-a hinge, 4-a material receiving component, 41-an elastic tube, 42-a projection cloth, 43-a contact disc, 44-a pulling belt, 45-a gravity block, 5-a first mounting frame, 6-a motor, 7-a first fixing frame, 8-a rotating frame, 9-a first flat belt combination, 10-a third connecting frame, 11-a rotating drum, 12-a sliding chute, 13-a second flat belt combination, 14-a sliding frame, 15-a second mounting frame and 16-a cleaning brush, 17-first contact carrier, 18-first contact lever, 19-torsion spring, 110-second contact carrier, 111-fourth connection carrier, 112-second spring, 113-profile carrier, 114-second fixing carrier, 115-clamping plate, 116-third spring, 117-second contact lever.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present application. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.
Example 1
The utility model provides an vocational skills training is with explanation curtain shrink cleaning device, as shown in fig. 1 to 4, including base 1, lifting unit 2, folding assembly 3 and receipts material subassembly 4, be equipped with lifting unit 2 on the base 1, be equipped with folding assembly 3 on lifting unit 2, be equipped with on folding assembly 3 and receive material subassembly 4.
When the device is in the normality, alright cooperation projecting apparatus carries out occupational skill training explanation work, accomplishes the back when explanation work, alright control receives material subassembly 4 work for the device becomes the state when not using, and presses lifting unit 2 and folding assembly 3, makes to receive material subassembly 4 downstream, controls folding assembly 3 afterwards and folds receiving material subassembly 4, so that carry the device.
Lifting unit 2 is equipped with pivot 21 on the base 1 including pivot 21, first telescopic link 22, first link 23, first spring 24 and second link 25, and pivot 21 is connected with first telescopic link 22 on the pivot 21 upper portion, and first telescopic link 22 top is connected with first link 23, is connected with first spring 24 between first link 23 and the pivot 21, and first link 23 upper portion is connected with second link 25.
After the explanation work is completed, the second connecting frame 25 can be controlled to move downwards, the second connecting frame 25 moves downwards to drive the first connecting frame 23 to move downwards, the first telescopic rod 22 and the first spring 24 are compressed, when the device needs to be used again, the second connecting frame 25 can be stopped to be controlled, the first spring 24 can automatically reset and drive the first telescopic rod 22, the first connecting frame 23 and the second connecting frame 25 to reset.
Folding assembly 3 is including mounting panel 31, second telescopic link 32, blowing frame 33 and hinge 34, and the equal rotary type in 21 left and right sides of pivot is equipped with mounting panel 31, and the mounting panel 31 upper portion outside all is connected with second telescopic link 32, and second telescopic link 32 upper portion all is connected with blowing frame 33, and the rotary type is connected with hinge 34 between the blowing frame 33, and hinge 34 is connected with second link 25 rotary type.
When second link 25 moves down, still can drive hinge 34 and blowing frame 33 and move down, second telescopic link 32 is compressed, when blowing frame 33 moves down to lower department, alright control mounting panel 31 rotates, thereby make second telescopic link 32, blowing frame 33 and hinge 34 rotate, and then will receive material subassembly 4 and fold, be convenient for carry the device, when needs reuse the device, earlier control mounting panel 31 reverse rotation resets, can drive hinge 34 when second link 25 resets afterwards, blowing frame 33 and second telescopic link 32 reset.
When the device uses, projection cloth 42 is in the state of being opened, when need not the use device, alright drive contact dish 43 and elastic tube 41 through pulling area 44 and rotate, thereby roll up projection cloth 42, gravity piece 45 shifts up thereupon, after mounting panel 31 rotated, elastic tube 41 can be bent, thereby fold projection cloth 42, so that carry the device, when needs reuse the device, after lifting unit 2 and folding unit 3 reset, alright control contact dish 43 and elastic tube 41 counter-rotation through pulling area 44, thereby make projection cloth 42 and gravity piece 45 reset.
Example 2
On the basis of embodiment 1, as shown in fig. 4 to 8, the device further comprises a first mounting frame 5, a motor 6, a first fixing frame 7, a rotating frame 8 and a first flat belt assembly 9, the lower portion of the second telescopic rod 32 on the right side is connected with the first mounting frame 5, the motor 6 is fixedly connected to the left side of the upper portion of the first mounting frame 5 through a bolt, the first fixing frame 7 is connected to the right side of the upper portion of the first mounting frame 5, the rotating frame 8 is arranged on the upper portion of the first fixing frame 7 in a rotating mode, a pulling belt 44 is matched with the rotating frame 8, and the first flat belt assembly 9 is arranged between the rotating frame 8 and an output shaft of.
When the pulling belt 44 needs to be controlled to move, the motor 6 can be controlled to work, the motor 6 can drive the rotating frame 8 to rotate through the first flat belt combination 9, the rotating frame 8 can drive the pulling belt 44 to move, so that the projection cloth 42 is controlled to be rolled up or put down, and when the projection cloth 42 is completely rolled up or put down, the motor 6 can be controlled to stop working.
Still including third link 10, the rotary drum 11, the flat belt combination of second 13, the carriage 14, second mounting bracket 15, scrubbing brush 16 and first contact frame 17, second telescopic link 32 upper portion all is connected with third link 10, equal rotary type is equipped with rotary drum 11 on the third link 10, spout 12 has all been opened on the rotary drum 11, be equipped with the flat belt combination of second 13 between the rotary drum 11 of elastic tube 41 and homonymy, second telescopic link 32 upper portion all is connected with carriage 14, the gliding style is equipped with second mounting bracket 15 on the carriage 14, the rotatory formula of second mounting bracket 15 front side is equipped with scrubbing brush 16, second mounting bracket 15 rear side is connected with first contact frame 17, first contact frame 17 and spout 12 cooperation.
When projection cloth 42 needs to be cleaned, cleaning brush 16 can be controlled to rotate downwards, so that cleaning brush 16 is in contact with projection cloth 42, when elastic tube 41 rotates, rotating drum 11 can be driven to rotate through second flat belt assembly 13, rotating drum 11 rotates to drive first contact frame 17, second mounting frame 15 and cleaning brush 16 to reciprocate left and right through sliding chute 12, so that cleaning brush 16 cleans projection cloth 42, after cleaning projection cloth 42 is completed, first contact frame 17, second mounting frame 15 and cleaning brush 16 can be controlled to reset, and then elastic tube 41 stops rotating.
The cleaning brush is characterized by further comprising a first contact rod 18, a torsion spring 19 and a second contact frame 110, the first contact rod 18 is connected to the inner side of the cleaning brush 16, the torsion spring 19 is connected between the cleaning brush 16 and the second mounting frame 15, the second contact frame 110 is connected to the upper portion of the material placing frame 33, and the second contact frame 110 is matched with the first contact rod 18.
When the device is in a normal state, the first contact rod 18 is in contact with the second contact frame 110, the torsion spring 19 is in a deformation state, when the elastic tube 41 starts to rotate, the second mounting frame 15 and the cleaning brush 16 start to move, the first contact rod 18 and the torsion spring 19 move along with the first contact rod, when the first contact rod 18 moves to be not in contact with the second contact frame 110, the torsion spring 19 can automatically rebound to drive the cleaning brush 16 to rotate downwards, when the second mounting frame 15 and the cleaning brush 16 reset, the first contact rod 18 is in contact with the second contact frame 110 again, the first contact rod 18 and the cleaning brush 16 are driven to rotate reversely to reset under the contact effect of the second contact frame 110, the torsion spring 19 is compressed again, and therefore, a user does not need to manually control the cleaning brush 16 to rotate, and the operation is simpler and more convenient.
Still including fourth link 111, second spring 112, dysmorphism frame 113, second mount 114, splint 115, third spring 116 and second contact bar 117, the gravity piece 45 outside all is connected with fourth link 111, fourth link 111 and the cooperation of the second telescopic link 32 slidingtype of homonymy, be connected with second spring 112 between fourth link 111 and the second telescopic link 32 top of homonymy, be connected with dysmorphism frame 113 on the fourth link 111 in the right side, the blowing frame 33 right side in the right side is connected with second mount 114, both sides all slidingtype are equipped with splint 115 around the second mount 114 lower part, be connected with third spring 116 between splint 115, splint 115 right side all is connected with second contact bar 117, second contact bar 117 and the cooperation of dysmorphism frame 113.
When the gravity block 45 moves upwards, the fourth connecting frame 111 and the special-shaped frame 113 are driven to move upwards, the second spring 112 is compressed, when the special-shaped frame 113 moves upwards to be in contact with the second contact rod 117, the second contact rod 117 is driven to approach each other, so that the clamping plates 115 approach each other, the third spring 116 is compressed, the clamping plates 115 approach each other, so that the pulling belt 44 is clamped, then the rotating frame 8 rotates continuously, so that one side of the pulling belt 44 is pulled downwards, the material receiving assembly 4 moves downwards, so that the discharging frame 33 and the parts thereon move downwards, the second connecting frame 25 and the first connecting frame 23 move downwards, the automatic control assembly 4 can move downwards after the projection cloth 42 is collected, a user does not need to manually control the second connecting frame 25 to move downwards, the operation is simpler and more convenient, when the device is required to be used, alright control the rotating turret 8 through motor 6 counter rotation, the rotating turret 8 reversal just can stop pulling the area 44 and stimulate, and then lifting unit 2, folding assembly 3 just can reset with the part of being connected on it to drive and receive material subassembly 4 and reset, thereby make the device become the normality.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides an vocational skills training is with explanation curtain shrink cleaning device which characterized by, including:
a base (1);
the lifting component (2) is arranged on the base (1);
the folding component (3) is arranged on the lifting component (2);
the material receiving assembly (4) is installed on the folding assembly (3).
2. An apparatus for contraction cleaning of an explanation curtain for vocational skills training according to claim 1, wherein the lifting unit (2) comprises:
the rotating shaft (21) is arranged on the base (1);
the first telescopic rod (22) is arranged on the rotating shaft (21);
a first connecting frame (23) mounted on the first telescopic rod (22);
a first spring (24) installed between the first link (23) and the rotary shaft (21);
and a second link frame (25) mounted on the first link frame (23).
3. An apparatus for contraction cleaning of an explanation curtain for vocational skills training according to claim 2, wherein the folding unit (3) comprises:
the mounting plates (31) are rotatably mounted on two sides of the rotating shaft (21);
a second telescopic rod (32) mounted on the mounting plate (31);
the material placing frame (33) is arranged on the second telescopic rod (32);
and the hinge (34) is rotatably arranged between the material placing frames (33), and the hinge (34) is rotatably connected with the second connecting frame (25).
4. An explanation curtain contraction cleaning device for vocational skills training according to claim 3, wherein the material receiving member (4) comprises:
the elastic tube (41) is rotatably arranged between the material placing frames (33);
a projection cloth (42) mounted on the elastic tube (41);
a contact plate (43) mounted on the elastic tube (41);
a pull tape (44) mounted on the contact plate (43);
and the gravity blocks (45) are arranged on two sides of the projection cloth (42).
5. An explanation curtain contraction cleaning apparatus for vocational skills training according to claim 4, further comprising:
the first mounting frame (5) is mounted on the second telescopic rod (32) on one side;
the motor (6) is arranged on the first mounting frame (5);
the first fixing frame (7) is arranged on the first mounting frame (5);
the rotating frame (8) is rotatably arranged on the first fixing frame (7), and the pulling belt (44) is matched with the rotating frame (8);
and the first flat belt combination (9) is arranged between the rotating frame (8) and the output shaft of the motor (6).
6. An explanation curtain contraction cleaning apparatus for vocational skills training according to claim 5, further comprising:
the third connecting frame (10) is arranged on the second telescopic rod (32);
the rotary drum (11) is rotatably arranged on the third connecting frame (10), and sliding chutes (12) are formed in the rotary drum (11);
a second flat belt combination (13) which is arranged between the elastic tube (41) and the rotary drum (11) on the same side;
a sliding frame (14) which is arranged on the second telescopic rod (32);
the second mounting frame (15) is slidably mounted on the sliding frame (14);
a cleaning brush (16) rotatably mounted on the second mounting bracket (15);
the first contact frame (17) is installed on the second installation frame (15), and the first contact frame (17) is matched with the sliding groove (12).
7. An explanation curtain contraction cleaning apparatus for vocational skills training according to claim 6, further comprising:
a first contact lever (18) mounted on the cleaning brush (16);
a torsion spring (19) mounted between the cleaning brush (16) and the second mounting bracket (15);
and the second contact frame (110) is arranged on the material placing frame (33), and the second contact frame (110) is matched with the first contact rod (18).
8. An explanation curtain contraction cleaning apparatus for vocational skills training according to claim 7, further comprising:
the fourth connecting frame (111) is arranged on the gravity block (45), and the fourth connecting frame (111) is in sliding fit with the second telescopic rod (32) on the same side;
the second spring (112) is arranged between the fourth connecting frame (111) and the second telescopic rod (32) on the same side;
a special-shaped frame (113) which is arranged on the fourth connecting frame (111) on one side;
the second fixing frame (114) is arranged on the material placing frame (33) on one side;
the clamping plates (115) are slidably arranged at two sides of the second fixing frame (114);
a third spring (116) installed between the clamping plates (115);
and a second contact bar (117) mounted on the clamping plate (115), the second contact bar (117) being fitted to the profile holder (113).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110041001.0A CN112916456B (en) | 2021-01-13 | 2021-01-13 | Teaching curtain contraction cleaning device for vocational skill training |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110041001.0A CN112916456B (en) | 2021-01-13 | 2021-01-13 | Teaching curtain contraction cleaning device for vocational skill training |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112916456A true CN112916456A (en) | 2021-06-08 |
| CN112916456B CN112916456B (en) | 2023-04-28 |
Family
ID=76162861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110041001.0A Active CN112916456B (en) | 2021-01-13 | 2021-01-13 | Teaching curtain contraction cleaning device for vocational skill training |
Country Status (1)
| Country | Link |
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| CN (1) | CN112916456B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU8730701A (en) * | 2000-11-03 | 2002-05-09 | Silas Creel | Collapsible projection screen assembly |
| DE202004007255U1 (en) * | 2004-05-06 | 2004-07-29 | Ddc Design & Development Gmbh & Co. Kg | Film projection folding screen is fixed to telescopic H-frame and is extended as required |
| JP2008286981A (en) * | 2007-05-17 | 2008-11-27 | Kinki Education Center:Kk | Folding device for folding screen and folding screen |
| CN108646513A (en) * | 2018-07-23 | 2018-10-12 | 柴明 | Portable education and teaching device |
| CN109240032A (en) * | 2018-10-18 | 2019-01-18 | 大连锦晟电教设备有限公司 | A kind of multimedia shadow proscenia of the audio-visual education programme convenient for teaching |
| CN110451356A (en) * | 2019-08-06 | 2019-11-15 | 镇江市高等专科学校 | A kind of computer teaching projection screen wrap-up |
| CN210072308U (en) * | 2019-08-13 | 2020-02-14 | 陕西铁路工程职业技术学院 | Think political affairs teaching liftable projection curtain |
| CN210109548U (en) * | 2019-08-01 | 2020-02-21 | 卢禹彤 | Projection curtain |
| CN210696932U (en) * | 2019-08-22 | 2020-06-09 | 李跃鹏 | Effect display device for architectural design |
| CN111263105A (en) * | 2020-02-18 | 2020-06-09 | 常小兵 | Video conference projection frame |
| CN211294573U (en) * | 2020-01-15 | 2020-08-18 | 河南杨金高科技创业园发展有限公司 | Display device for information technology |
-
2021
- 2021-01-13 CN CN202110041001.0A patent/CN112916456B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU8730701A (en) * | 2000-11-03 | 2002-05-09 | Silas Creel | Collapsible projection screen assembly |
| DE202004007255U1 (en) * | 2004-05-06 | 2004-07-29 | Ddc Design & Development Gmbh & Co. Kg | Film projection folding screen is fixed to telescopic H-frame and is extended as required |
| JP2008286981A (en) * | 2007-05-17 | 2008-11-27 | Kinki Education Center:Kk | Folding device for folding screen and folding screen |
| CN108646513A (en) * | 2018-07-23 | 2018-10-12 | 柴明 | Portable education and teaching device |
| CN109240032A (en) * | 2018-10-18 | 2019-01-18 | 大连锦晟电教设备有限公司 | A kind of multimedia shadow proscenia of the audio-visual education programme convenient for teaching |
| CN210109548U (en) * | 2019-08-01 | 2020-02-21 | 卢禹彤 | Projection curtain |
| CN110451356A (en) * | 2019-08-06 | 2019-11-15 | 镇江市高等专科学校 | A kind of computer teaching projection screen wrap-up |
| CN210072308U (en) * | 2019-08-13 | 2020-02-14 | 陕西铁路工程职业技术学院 | Think political affairs teaching liftable projection curtain |
| CN210696932U (en) * | 2019-08-22 | 2020-06-09 | 李跃鹏 | Effect display device for architectural design |
| CN211294573U (en) * | 2020-01-15 | 2020-08-18 | 河南杨金高科技创业园发展有限公司 | Display device for information technology |
| CN111263105A (en) * | 2020-02-18 | 2020-06-09 | 常小兵 | Video conference projection frame |
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| Publication number | Publication date |
|---|---|
| CN112916456B (en) | 2023-04-28 |
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Effective date of registration: 20230406 Address after: No. 27 Jinjishan Road, Yuefeng Town, Jin'an District, Fuzhou City, Fujian Province, 350011 Applicant after: Fujian Transportation Human Resources Co.,Ltd. Address before: Room 811, 8th floor, building 12, Rongqiao family, No.18 Xingyuan Road, moling street, Jiangning District, Nanjing City, Jiangsu Province, 211112 Applicant before: Wu Jianhua |
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