CN210466773U - Think textbook scanning projection arrangement of political affairs teaching usefulness - Google Patents
Think textbook scanning projection arrangement of political affairs teaching usefulness Download PDFInfo
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- CN210466773U CN210466773U CN201921339715.4U CN201921339715U CN210466773U CN 210466773 U CN210466773 U CN 210466773U CN 201921339715 U CN201921339715 U CN 201921339715U CN 210466773 U CN210466773 U CN 210466773U
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Abstract
The utility model provides a textbook scanning projection arrangement that think of political affairs teaching and use, including the bottom plate, the bell and spigot joint pipe, first fixing bolt, the telescopic link, the sleeve pipe, the gusset plate, the second fixing bolt, the expansion pipe, the adjustment piece, the installation shell, the controller, the switch, the camera, the light, the antiskid limit, protection fixed edge structure, supplementary cooling heat dissipation frame structure, protection receiver structure and power cord, bell and spigot joint pipe one end glue in the middle part on the right side of bottom plate upper surface, the other end is inserted and is connected with the telescopic link; the first fixing bolt is in threaded connection with the joint of the sleeve pipe and the telescopic rod; the sleeve is welded at the upper end of the telescopic rod; the reinforcing sheet is welded at the joint of the telescopic rod and the sleeve. The utility model has the advantages that: through the setting of the fixed limit structure of protection, during the use, can make the edge that the clamp plate pushed down books through the elasticity of spring scan and use, and then increased the functionality.
Description
Technical Field
The utility model belongs to an think political affairs teaching technical field, especially relate to think textbook scanning projection arrangement that political affairs teaching was used.
Background
Nowadays, multimedia teaching mode has become an indispensable ring in daily teaching, and it is one of them to utilize the show stand of material object. Can be with on a less thing through its conversion projection to the large screen through the stand in kind, let the student see more clearly, for the teaching provides convenience, improved teaching efficiency.
However, the existing textbook scanning projection device also has the problems that the function of fixing books is inconvenient to perform, the heat dissipation effect of the device is poor, and the device does not have the function of protecting circuits.
Therefore, the textbook scanning projection device for thinking and politics teaching is very necessary.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a think textbook scanning projection arrangement of political affairs teaching usefulness to solve the inconvenient function of playing fixed books of current textbook scanning projection arrangement, the device's radiating effect relatively poor and do not possess the problem that plays safeguard function to the circuit. The textbook scanning projection device for ideological and political affairs teaching comprises a bottom plate, a sleeve pipe, a first fixing bolt, a telescopic rod, a sleeve pipe, a reinforcing sheet, a second fixing bolt, a movable pipe, an adjusting sheet, an installation shell, a controller, a switch, a camera, a lighting lamp, an anti-skid edge, a protective fixing edge structure, an auxiliary cooling heat dissipation frame structure, a protective storage box structure and a power line, wherein one end of the sleeve pipe is glued to the middle part of the right side of the upper surface of the bottom plate, and the telescopic rod is inserted into the other end of the sleeve pipe; the first fixing bolt is in threaded connection with the joint of the sleeve pipe and the telescopic rod; the sleeve is welded at the upper end of the telescopic rod; the reinforcing sheet is welded at the joint of the telescopic rod and the sleeve; the second fixing bolt is in threaded connection with the left side of the front part of the sleeve; the movable tube is inserted in the sleeve; the adjusting sheets are respectively welded on the front side and the rear side of the right end of the mounting shell and are sleeved on the left side of the outer part of the movable pipe, and the adjusting sheets are fixed by bolts and nuts; the controller bolt is arranged on the right side of the upper part of the inner wall of the mounting shell; the switch is embedded in the front parts of the controller and the mounting shell; the camera is embedded in the left side of the inner part of the mounting shell; the illuminating lamp bolt is arranged on the right side of the lower surface of the mounting shell; the anti-slip edges are respectively glued on the left side and the right side of the lower surface of the bottom plate; the protective fixed edge structure is arranged on the upper part of the bottom plate; the auxiliary cooling and heat dissipation frame structure is arranged at the upper part of the mounting shell; the protective storage box structure is arranged at the right end of the movable pipe; the power cord penetrates through the protective storage box structure and the movable tube and is connected with the controller; the protective fixed edge structure comprises a sleeving box, a positioning bolt, a plugging edge, a lower movable plate, an upper movable plate, a pressure plate and a spring, wherein the sleeving box is sleeved on the upper part of the outer wall of the plugging edge and is fixed through the positioning bolt; the positioning bolts are respectively in threaded connection with the lower sides of the front part and the rear part of the sleeving box; the splicing edges are respectively glued on the left side and the middle right side of the upper surface of the bottom plate; the lower movable plates are respectively and integrally arranged at the front side and the rear side of the upper part of the sleeving box; the upper movable plates are respectively and integrally arranged at the front side and the rear side of the lower part of the pressure plate; the spring is glued on the right side of the upper part of the sleeve box.
Preferably, the auxiliary cooling and heat dissipation frame structure comprises an assembly ring, a fixing plate, a rotating motor, fan blades, a support rod and a heat dissipation fin, wherein the fixing plate is integrally arranged in the middle of the upper side inside the assembly ring; the rotating motor is embedded in the fixed plate; the support rod is glued around the lower part of the assembly ring, and the lower end of the support rod is glued on the upper surface of the mounting shell; the radiating fins are glued between the supporting rod and the supporting rod.
Preferably, the protective storage box structure comprises a storage barrel, a barrel cavity, a through hole, a sealing cover, a through pipe, a puller bolt, a clamping plate and a reinforcing plate, wherein the barrel cavity is formed in the storage barrel; the penetrating hole is formed in the left side of the inner part of the containing barrel; the sealing cover is in threaded connection with the right end of the containing barrel; the inserting pipe is integrally arranged inside the sealing cover; the puller bolts are respectively in threaded connection with the front side and the rear side of the penetrating pipe; the clamping plate is movably embedded at the inner side of the puller bolt; the reinforcing plate is glued at the joint of the storage barrel and the movable pipe.
Preferably, the lower surface of the pressing plate is provided with straight anti-slip lines, and the right side of the lower part of the pressing plate is glued with the upper end of the spring.
Preferably, the lower movable plate and the upper movable plate are respectively provided with two movable plates which are mutually coupled.
Preferably, the sleeving box is matched with the inserting edge and fixed through a positioning bolt, and the outer wall of the inserting edge is provided with straight anti-skidding lines.
Preferably, the output shaft of the rotating motor is embedded with a fan blade, and the lower part of the fan blade corresponds to the controller and the camera respectively.
Preferably, the radiating fins are copper plates, and are arranged at the lower parts of the fan blades.
Preferably, four support rods are arranged at the lower part of the assembly ring, and the inner side of the assembly ring is connected with the fixing plate.
Preferably, a movable pipe is embedded in the through insertion hole in the containing cylinder.
Preferably, the jacking bolt and the clamping plate which are inserted into the pipe are respectively provided with two clamping plates, and the clamping plates are arc-shaped.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, the clamp plate lower surface be provided with a word antiskid line, clamp plate lower part right side splice with the upper end of spring, during the use, can make the edge that the clamp plate pushed down books through the elasticity of spring scan and use, and then increased the functionality.
2. The utility model discloses in, lower movable plate and last movable plate be provided with two respectively, and mutual coupling, this clamp plate of more reasonable cooperation is assembled and is moved about, and the reasonable use that uses.
3. The utility model discloses in, cup joint box and grafting limit looks adaptation to fix through positioning bolt, grafting limit outer wall on be provided with a word antiskid line, convenient regulation and reach suitable highly using, and then increased the functionality.
4. The utility model discloses in, the rotating electrical machines output shaft on inlay and have the fan blade, the fan blade lower part correspond with controller and camera respectively, when using, can blow thereupon and cool down radiating function.
5. The utility model discloses in, the fin specifically adopt the copper, the fin setting in the lower part of fan blade, can absorb the heat thereupon to radiating effect has been increased.
6. The utility model discloses in, the bracing piece of equipment ring lower part be provided with four, equipment ring inboard be connected with the fixed plate, can cooperate rotating electrical machines and fin to assemble and use respectively thereupon.
7. The utility model discloses in, the inside interlude hole of containing cylinder inlay and have the movable tube, can peg graft and store along with it auxiliary power line to protect longer power cord, and then increased the functionality.
8. The utility model discloses in, the inside puller bolt of interlude and pinch-off blades be provided with two respectively, the pinch-off blades set up to the arc, the power cord that can be right thereupon fixes.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the protective fixing edge structure of the present invention.
Fig. 3 is a schematic structural view of the auxiliary cooling and heat dissipating frame structure of the present invention.
Fig. 4 is a schematic structural view of the protective storage box structure of the present invention.
Fig. 5 is a schematic diagram of the electrical connection of the present invention.
In the figure:
1. a base plate; 2. sleeving a pipe; 3. a first fixing bolt; 4. a telescopic rod; 5. a sleeve; 6. a reinforcing sheet; 7. a second fixing bolt; 8. a movable tube; 9. a regulating sheet; 10. mounting a shell; 11. a controller; 12. a switch; 13. a camera; 14. an illuminating lamp; 15. anti-skid edges; 16. protecting the fixed edge structure; 161. sleeving a box; 162. positioning the bolt; 163. inserting edges; 164. a movable plate is lowered; 165. an upper movable plate; 166. pressing a plate; 167. a spring; 17. an auxiliary cooling heat dissipation frame structure; 171. assembling a ring; 172. a fixing plate; 173. a rotating electric machine; 174. a fan blade; 175. a support bar; 176. a heat sink; 18. a protective storage box structure; 181. a storage cylinder; 182. a barrel cavity; 183. inserting holes; 184. a sealing cover; 185. inserting a tube; 186. jacking the bolt; 187. a clamping plate; 188. a reinforcing plate; 19. a power line.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in fig. 1 and fig. 2, the textbook scanning projection device for thinking and political affairs teaching comprises a bottom plate 1, a sleeve pipe 2, a first fixing bolt 3, a telescopic rod 4, a sleeve pipe 5, a reinforcing sheet 6, a second fixing bolt 7, a movable pipe 8, an adjusting sheet 9, an installation shell 10, a controller 11, a switch 12, a camera 13, a lighting lamp 14, an anti-skid edge 15, a protection fixing edge structure 16, an auxiliary cooling heat dissipation frame structure 17, a protection storage box structure 18 and a power line 19, wherein one end of the sleeve pipe 2 is glued at the middle part of the right side of the upper surface of the bottom plate 1, and the telescopic rod 4 is inserted into the other end of the sleeve pipe; the first fixing bolt 3 is in threaded connection with the joint of the sleeve pipe 2 and the telescopic rod 4; the sleeve 5 is welded at the upper end of the telescopic rod 4; the reinforcing sheet 6 is welded at the joint of the telescopic rod 4 and the sleeve 5; the second fixing bolt 7 is in threaded connection with the left side of the front part of the sleeve 5; the movable tube 8 is inserted in the sleeve 5; the adjusting pieces 9 are respectively welded on the front side and the rear side of the right end of the mounting shell 10 and are sleeved on the left side of the outer part of the movable pipe 8, and the adjusting pieces are fixed by bolts and nuts; the controller 11 is mounted on the right side of the upper part of the inner wall of the mounting shell 10 through bolts; the switch 12 is embedded in the front of the controller 11 and the mounting shell 10; the camera 13 is embedded in the left side of the inner part of the mounting shell 10; the illuminating lamp 14 is mounted on the right side of the lower surface of the mounting shell 10 through bolts; the antiskid edges 15 are respectively glued on the left side and the right side of the lower surface of the bottom plate 1; the protective fixed edge structure 16 is arranged at the upper part of the bottom plate 1; the auxiliary cooling and heat dissipation frame structure 17 is arranged at the upper part of the mounting shell 10; the protective storage box structure 18 is arranged at the right end of the movable pipe 8; the power cord 19 passes through the protective storage box structure 18 and the movable tube 8 and is connected with the controller 11; the protective fixing edge structure 16 comprises a sleeving connection box 161, a positioning bolt 162, a plugging edge 163, a lower movable plate 164, an upper movable plate 165, a pressure plate 166 and a spring 167, wherein the sleeving connection box 161 is sleeved on the upper part of the outer wall of the plugging edge 163 and is fixed through the positioning bolt 162; the positioning bolts 162 are respectively in threaded connection with the lower sides of the front part and the rear part of the sleeve connection box 161; the inserting edges 163 are respectively glued on the left side and the middle right side of the upper surface of the bottom plate 1; the lower movable plates 164 are integrally arranged at the front side and the rear side of the upper part of the sleeving box 161 respectively; the upper movable plates 165 are integrally arranged at the front and rear sides of the lower part of the pressure plate 166; the spring 167 is glued to the right side of the upper portion of the splice case 161.
As shown in fig. 3, in the above embodiment, specifically, the auxiliary cooling and heat dissipating frame structure 17 includes an assembly ring 171, a fixing plate 172, a rotating motor 173, a fan blade 174, a support rod 175 and a heat sink 176, wherein the fixing plate 172 is integrally disposed in the middle of the upper side inside the assembly ring 171; the rotating motor 173 is embedded in the fixing plate 172; the support rod 175 is glued around the lower part of the assembly ring 171, and the lower end of the support rod 175 is glued on the upper surface of the mounting shell 10; the heat sink 176 is glued between the support rod 175 and the support rod 175.
In the above embodiment, as shown in fig. 4, specifically, the protective storage box structure 18 includes a storage cylinder 181, a cylinder cavity 182, a through hole 183, a sealing cover 184, an inserting pipe 185, a tightening bolt 186, a clamping plate 187 and a reinforcing plate 188, the cylinder cavity 182 is opened inside the storage cylinder 181; the through hole 183 is formed in the left side of the interior of the storage barrel 181; the sealing cover 184 is in threaded connection with the right end of the storage barrel 181; the inserting pipe 185 is integrally arranged in the sealing cover 184; the puller bolts 186 are respectively connected with the front side and the rear side of the insertion pipe 185 in a threaded manner; the clamping plate 187 is movably embedded at the inner side of the jacking bolt 186; the reinforcing plate 188 is glued at the joint of the receiving cylinder 181 and the movable tube 8.
In the above embodiment, specifically, the lower surface of the pressing plate 166 is provided with the straight anti-slip pattern, the right side of the lower part of the pressing plate 166 is glued to the upper end of the spring 167, and when the book reading device is used, the edge of the book pressed by the pressing plate 166 can be scanned by the elastic force of the spring 167, so that the functionality is increased.
In the above embodiment, specifically, two lower movable plates 164 and two upper movable plates 165 are respectively provided and are coupled to each other, so that the pressing plates 166 can be more reasonably assembled and moved in cooperation, and the use is reasonable.
In the above embodiment, specifically, the socket box 161 is matched with the inserting edge 163 and fixed by the positioning bolt 162, and the outer wall of the inserting edge 163 is provided with the straight anti-slip pattern, so that the socket box can be conveniently adjusted and can reach a proper height for use, thereby increasing functionality.
In the above embodiment, specifically, the output shaft of the rotating electrical machine 173 is embedded with the fan blade 174, and the lower portion of the fan blade 174 corresponds to the controller 11 and the camera 13, respectively, and when in use, the fan blade can perform a cooling function by blowing air therewith.
In the above embodiment, specifically, the heat sink 176 is a copper plate, and the heat sink 176 is disposed at the lower portion of the fan blade 174, and can absorb heat along with the copper plate, so as to increase the heat dissipation effect.
In the above embodiment, specifically, four support rods 175 are provided at the lower portion of the assembly ring 171, and the inner side of the assembly ring 171 is connected to the fixing plate 172, so that the assembly ring can be assembled and used with the rotating electric machine 173 and the heat sink 176.
In the above embodiment, specifically, the insertion hole 183 inside the storage barrel 181 is embedded with the movable tube 8, and can be inserted and stored along with the auxiliary power line 19, and protect the longer power line 19, thereby increasing functionality.
In the above embodiment, two tightening bolts 186 and two clamping plates 187 are respectively disposed inside the insertion tube 185, and the clamping plates 187 are arc-shaped to fix the power cord 19.
In the above embodiment, specifically, the controller 11 employs a PLC model FX 2N-48.
In the above embodiment, specifically, the camera 13 is a camera with a model of GC 2145.
In the above embodiment, the lighting lamp 14 is an LED lamp of model LL 10-W.
In the above embodiment, specifically, the rotating electric machine 173 is a TEC3625 type electric machine.
In the above embodiment, specifically, the switch 12 is electrically connected to an input end of the controller 11, the camera 13 is electrically connected to an output end of the controller 11, the illumination lamp 14 is electrically connected to an output end of the controller 11, and the rotating electrical machine 173 is electrically connected to an output end of the controller 11.
Principle of operation
The utility model discloses a theory of operation: before use, the telescopic rod 4 is moved up and down to reach a proper height, then the first fixing bolt 3 is screwed to be fixed, then the movable pipe 8 is moved left and right to reach a proper position, meanwhile the second fixing bolt 7 is screwed to be fixed, finally the mounting shell 10 and the adjusting sheet 9 are inclined to reach a proper angle, the bolt on the adjusting sheet 9 is screwed to be fixed, after the adjustment is completed, the power wire 19 is pulled to reach a proper length, then the jacking bolt 186 is screwed, the clamping plate 187 clamps the power wire 19 penetrating the insertion pipe 185, after the adjustment is completed, the power wire 19 is inserted into the multimedia teaching conference all-in-one machine or the computer, after the mounting is completed, the switch 12 is pressed down, the camera 13 and the illuminating lamp 14 are respectively opened, then the outer side of the pressing plate 166 is pressed down, the inner side of the pressing plate 166 is opened, then a book is placed on the upper part of the bottom plate 1, the multifunctional book reading device is arranged at the upper part of the socket box 161, books can be clamped through the spring 167 by releasing the pressing plate 166, scanning can be achieved through the camera 13, the images are displayed on the multimedia teaching and meeting all-in-one machine or projected through the cooperation of a computer and a projector for teaching, when the multifunctional book reading device is used and heat dissipation and cooling are needed, the switch 12 is pressed down, the rotating motor 173 is started, the fan blades 174 can rotate, and the cooling and heat dissipation can be achieved on the switch 12, the camera 13 and the illuminating lamp 14 through the cooperation of the cooling fins 176.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (10)
1. The textbook scanning projection device for thinking political affairs teaching is characterized by comprising a bottom plate (1), a sleeve pipe (2), a first fixing bolt (3), a telescopic rod (4), a sleeve pipe (5), a reinforcing sheet (6), a second fixing bolt (7), a movable pipe (8), an adjusting sheet (9), a mounting shell (10), a controller (11), a switch (12), a camera (13), a lighting lamp (14), an anti-slip edge (15), a protective fixing edge structure (16), an auxiliary cooling heat dissipation frame structure (17), a protective storage box structure (18) and a power line (19), wherein one end of the sleeve pipe (2) is connected to the middle part of the right side of the upper surface of the bottom plate (1) in an adhesive mode, and the telescopic rod (4) is inserted and connected into the other end of the sleeve pipe; the first fixing bolt (3) is in threaded connection with the joint of the sleeve pipe (2) and the telescopic rod (4); the sleeve (5) is welded at the upper end of the telescopic rod (4); the reinforcing sheet (6) is welded at the joint of the telescopic rod (4) and the sleeve (5); the second fixing bolt (7) is in threaded connection with the left side of the front part of the sleeve (5); the movable tube (8) is inserted in the sleeve (5); the adjusting pieces (9) are respectively welded on the front side and the rear side of the right end of the mounting shell (10), sleeved on the left side of the outer part of the movable pipe (8), and fixed by bolts and nuts; the controller (11) is mounted on the right side of the upper part of the inner wall of the mounting shell (10) through bolts; the switch (12) is embedded in the front parts of the controller (11) and the mounting shell (10); the camera (13) is embedded in the left side of the interior of the mounting shell (10); the illuminating lamp (14) is mounted on the right side of the lower surface of the mounting shell (10) through bolts; the antiskid edges (15) are respectively glued to the left side and the right side of the lower surface of the bottom plate (1); the protective fixed edge structure (16) is arranged on the upper part of the bottom plate (1); the auxiliary cooling and heat dissipation frame structure (17) is arranged at the upper part of the mounting shell (10); the protective storage box structure (18) is arranged at the right end of the movable pipe (8); the power cord (19) penetrates through the protective storage box structure (18) and the movable tube (8) and is connected with the controller (11); the protective fixing edge structure (16) comprises a sleeving connection box (161), a positioning bolt (162), a plugging edge (163), a lower movable plate (164), an upper movable plate (165), a pressure plate (166) and a spring (167), wherein the sleeving connection box (161) is sleeved on the upper part of the outer wall of the plugging edge (163) and is fixed through the positioning bolt (162); the positioning bolts (162) are respectively in threaded connection with the lower sides of the front part and the rear part of the sleeve connection box (161); the splicing edges (163) are respectively glued on the left side and the middle right side of the upper surface of the bottom plate (1); the lower movable plates (164) are respectively and integrally arranged at the front side and the rear side of the upper part of the sleeving box (161); the upper movable plates (165) are respectively and integrally arranged at the front side and the rear side of the lower part of the pressure plate (166); the spring (167) is glued on the right side of the upper part of the splicing box (161).
2. The textbook scanning projection device for ideological and political affairs teaching of claim 1, wherein the auxiliary cooling heat dissipation frame structure (17) comprises an assembly ring (171), a fixing plate (172), a rotating motor (173), fan blades (174), a support rod (175) and a heat dissipation fin (176), wherein the fixing plate (172) is integrally arranged at the middle part of the upper side inside the assembly ring (171); the rotating motor (173) is embedded in the fixed plate (172); the supporting rod (175) is glued around the lower part of the assembling ring (171), and the lower end of the supporting rod (175) is glued on the upper surface of the mounting shell (10); the radiating fins (176) are glued between the supporting rods (175) and the supporting rods (175).
3. The textbook scanning projection device for ideological and political education as claimed in claim 1, wherein the protective storage box structure (18) comprises a storage barrel (181), a barrel cavity (182), a through hole (183), a sealing cover (184), a through insertion pipe (185), a jacking bolt (186), a clamping plate (187) and a reinforcing plate (188), and the barrel cavity (182) is arranged inside the storage barrel (181); the through hole (183) is arranged on the left side inside the containing barrel (181); the sealing cover (184) is in threaded connection with the right end of the storage barrel (181); the penetrating cannula (185) is integrally arranged inside the sealing cover (184); the puller bolts (186) are respectively in threaded connection with the front side and the rear side of the insertion pipe (185); the clamping plate (187) is movably embedded on the inner side of the jacking bolt (186); the reinforcing plate (188) is glued at the joint of the receiving cylinder (181) and the movable tube (8).
4. The textbook scanning projection device for ideological and political education as claimed in claim 1, wherein the lower surface of the pressure plate (166) is provided with a straight anti-slip pattern, and the right side of the lower part of the pressure plate (166) is glued with the upper end of the spring (167).
5. The apparatus for scanning and projecting textbook for ideological and political education as claimed in claim 1, wherein two lower movable plates (164) and two upper movable plates (165) are provided, respectively, and are coupled to each other.
6. The textbook scanning projection device for ideological and political education as claimed in claim 1, wherein the sleeve box (161) is matched with the insertion edge (163) and fixed by a positioning bolt (162), and the outer wall of the insertion edge (163) is provided with a straight anti-slip pattern.
7. The textbook scanning projection device for ideological and political theory teaching of claim 2, wherein a fan blade (174) is embedded on an output shaft of the rotating motor (173), and the lower part of the fan blade (174) corresponds to the controller (11) and the camera (13) respectively.
8. The device for scanning and projecting textbooks for ideology teaching of claim 2, wherein the heat sink (176) is a copper plate, and the heat sink (176) is disposed at the lower part of the fan blade (174).
9. The apparatus for scanning and projecting textbook for ideological and political education as claimed in claim 3, wherein the through hole (183) in the receiving cylinder (181) is embedded with a movable tube (8).
10. The apparatus for scanning and projecting textbook for ideological and political education as claimed in claim 3, wherein there are two tightening bolts (186) and two clamping plates (187) respectively inserted into the insertion tube (185), and the clamping plate (187) is configured in an arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921339715.4U CN210466773U (en) | 2019-08-19 | 2019-08-19 | Think textbook scanning projection arrangement of political affairs teaching usefulness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921339715.4U CN210466773U (en) | 2019-08-19 | 2019-08-19 | Think textbook scanning projection arrangement of political affairs teaching usefulness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210466773U true CN210466773U (en) | 2020-05-05 |
Family
ID=70452118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921339715.4U Expired - Fee Related CN210466773U (en) | 2019-08-19 | 2019-08-19 | Think textbook scanning projection arrangement of political affairs teaching usefulness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210466773U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114568818A (en) * | 2022-03-08 | 2022-06-03 | 威海海洋职业学院 | Multifunctional distance education device for education and training |
-
2019
- 2019-08-19 CN CN201921339715.4U patent/CN210466773U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114568818A (en) * | 2022-03-08 | 2022-06-03 | 威海海洋职业学院 | Multifunctional distance education device for education and training |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Granted publication date: 20200505 Termination date: 20210819 |