CN113077687A - Photographic view finding demonstration teaching appliance - Google Patents
Photographic view finding demonstration teaching appliance Download PDFInfo
- Publication number
- CN113077687A CN113077687A CN202110405401.5A CN202110405401A CN113077687A CN 113077687 A CN113077687 A CN 113077687A CN 202110405401 A CN202110405401 A CN 202110405401A CN 113077687 A CN113077687 A CN 113077687A
- Authority
- CN
- China
- Prior art keywords
- plate
- spring
- base
- outer sleeve
- adjusting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 claims abstract description 40
- 230000000694 effects Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000009432 framing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
Landscapes
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Cameras Adapted For Combination With Other Photographic Or Optical Apparatuses (AREA)
Abstract
The invention discloses a photographic view-finding demonstration teaching appliance, which comprises a demonstration base, a photographic plug board, a driving adjusting assembly and a rolling curtain wall, wherein image works under different view-finding modes are placed in an inner display groove of the rolling curtain wall, are fixed by a bottom pressing plate and an upper pressing plate and are pressed and fixed by a pressing plate frame under the action of a pressure spring and a pressure bolt, the whole rolling curtain wall is arranged on an outer sleeve shaft in the driving adjusting assembly and is clamped and fixed by a sleeve spring and a sleeve plate, when the demonstration teaching is carried out, the outer sleeve shaft and the inner adjusting shaft are driven to rotate by starting a driving motor, so that the rolling curtain wall rolls under the action of an annular tooth groove and a rolling rack, the inner display groove at the rear side rolls to the front end, the comparison with the photographic works in the photographic plug board beside is convenient, the rapid switching of the photographic works is effectively realized, and the research of different view-finding modes on two groups of image works is convenient, the teaching work of photography is convenient.
Description
Technical Field
The invention relates to the technical field of teaching appliances, in particular to a photographic view finding demonstration teaching appliance.
Background
Photography refers to the process of recording images using a special device, generally, a mechanical camera or a digital camera is used for photography, sometimes, photography is also called photography, that is, the process of exposing a photosensitive medium by light emitted or reflected by an object, and a word is said: the capability of photographers is to convert ordinary things which are vanishing in daily life into immortal visual images, wherein photography framing is an important step in photography, and in the process of framing, the determination of scene differences, shooting angles, horizontal and vertical pictures, a picture structure center, a method for highlighting a main body, application of foreground and background, the effect of an accompanying body and the like are generally required to be noted.
Disclosure of Invention
The invention aims to provide a photographic view finding demonstration teaching appliance, wherein common image works are installed in a photographic plug board, the photographic plug board is inserted into an insertion chute on the left side of a demonstration base, the image works in different view-finding modes are placed in an inner display groove of the rolling curtain wall and are fixed by a bottom pressure plate and an upper pressure plate, the whole rolling curtain wall is arranged on an outer sleeve shaft in the driving adjusting component and is clamped and fixed by a jacket spring and a jacket plate, when teaching is performed, the driving motor is started to drive the outer sleeve shaft and the inner adjusting shaft to rotate, therefore, the rolling curtain wall rolls under the action of the annular tooth grooves and the rolling rack, the inner display groove on the rear side rolls to the front end, and the rolling curtain wall is convenient to compare with photographic works in the photographic plug boards beside the rolling curtain wall, so that the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a photographic demonstration teaching aid that frames, is including demonstration base, photographic picture peg, drive adjusting part and the curtain that rolls, the upper left side installation photographic picture peg of demonstration base, the upper right side of demonstration base is equipped with drive adjusting part, the curtain that rolls is installed in the drive adjusting part.
The demonstration base comprises a base plate, a fixed vertical plate, a central vertical plate, an inserting chute, a fixing bolt, a protection fence, a spring base, a reset spring, a spring plate, an adjusting chute and a limiting block, wherein the fixed vertical plate is arranged on the upper left side of the base plate, the central vertical plate is arranged at the center of the upper side of the base plate, the inserting chute is respectively arranged on the inner sides of the fixed vertical plate and the central vertical plate, the protection fence is arranged on the base plate between the fixed vertical plate and the central vertical plate, the spring base is arranged in the protection fence, the reset spring is arranged in the spring base, the tail end of the reset spring is provided with the spring plate, the adjusting chute is arranged on the upper right side of the base plate, and the limiting blocks are respectively.
Preferably, the driving adjusting assembly comprises a sliding vertical plate, an adjusting slider, a motor sleeve, a driving motor, an outer sleeve shaft, an inner adjusting shaft, a locking screw hole, a limiting clamping plate, an inner movable groove, a supporting spring, a locking bolt, a rotating base, a threaded clamping head, a clamping sleeve spring, a clamping sleeve plate and an annular tooth groove, the adjusting slider is arranged at the bottom of the sliding vertical plate, the motor sleeve is respectively arranged on the upper side and the lower side of the right end of the sliding vertical plate, the driving motor is arranged in the motor sleeve, the outer sleeve shaft is respectively arranged on the upper side and the lower side of the left end of the sliding vertical plate, the inner adjusting shaft is arranged between the outer sleeve shafts, the locking screw hole is arranged on the inner adjusting shaft, the limiting clamping plate is respectively arranged on the two ends of the inner adjusting shaft, the inner movable groove is arranged on the inner side of the outer sleeve shaft, the supporting spring is arranged between, the left side the end of outer sleeve shaft is equipped with rotating base, rotating base's the outside is equipped with the screw thread inlay card head, the both ends of outer sleeve shaft are equipped with respectively and press from both sides the cover spring, the end that presss from both sides the cover spring is equipped with presss from both sides the cover board, the lateral surface of outer sleeve shaft is equipped with annular tooth's socket.
Preferably, the rolling curtain wall includes cyclic annular elasticity wallboard, interior show groove, end clamp plate, top board, perpendicular screw rod, compression spring, pressure bolt, clamp plate frame and rolling rack, the surface of cyclic annular elasticity wallboard is equipped with interior show groove, be equipped with end clamp plate on the bottom surface of both sides around the interior show groove, be equipped with perpendicular screw rod on the end clamp plate, install the top board on the perpendicular screw rod of end clamp plate upside, the perpendicular screw rod outside of top board upside is equipped with compression spring, install the clamp plate frame on the perpendicular screw rod of compression spring upside, install pressure bolt on the perpendicular screw rod of clamp plate frame upside, the interior bottom surface both sides of cyclic annular elasticity wallboard are equipped with rolling rack respectively.
Preferably, the rolling rack is mounted on the outer side of the annular tooth groove in a clamping and embedding manner.
Preferably, the locking bolt is nested in a locking screw hole of the inner adjusting shaft.
Preferably, the adjusting slide block is embedded in the adjusting sliding groove.
Preferably, the rotating base is inserted in the right side of the central vertical plate through a threaded clamping head.
Compared with the prior art, the invention has the beneficial effects that:
when the teaching demonstration teaching tool for photography view finding is used for teaching, the driving motor is started to drive the outer sleeve shaft and the inner adjusting shaft to rotate, so that the rolling curtain wall rolls under the action of the annular tooth socket and the rolling rack, the inner display groove on the rear side rolls to the front end, comparison with photography works in the nearby photography plugboard is facilitated, the photography works can be effectively and rapidly switched, research on different view finding modes of two groups of image works is facilitated, and the teaching work for photography is facilitated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a demonstration base according to the present invention;
FIG. 3 is an enlarged schematic view of the demonstration base of the present invention at A;
FIG. 4 is a schematic structural view of the drive adjustment assembly of the present invention;
FIG. 5 is a partial cross-sectional structural schematic view of the drive adjustment assembly of the present invention;
FIG. 6 is a schematic view of the rolling curtain wall of the present invention;
fig. 7 is a partial sectional structural schematic view of the rolling curtain wall of the present invention.
In the figure: 1. a demonstration base; 101. a base plate; 102. fixing the vertical plate; 103. a central vertical plate; 104. inserting the sliding groove; 105. fixing the bolt; 106. a guard rail; 107. a spring mount; 108. a return spring; 109. a spring plate; 1010. adjusting the sliding chute; 1011. a limiting block; 2. a photographic plug board; 3. driving the adjustment assembly; 31. sliding the vertical plate; 32. adjusting the sliding block; 33. a motor casing; 34. a drive motor; 35. an outer sleeve shaft; 36. an inner adjusting shaft; 37. locking the screw hole; 38. a limiting clamping plate; 39. an inner movable groove; 310. a support spring; 311. a locking bolt; 312. rotating the base; 313. the thread is clamped and embedded with the head; 314. a jacket spring; 315. a jacket plate; 316. an annular gullet; 4. rolling the curtain wall; 41. an annular elastic wall panel; 42. an inner display groove; 43. a bottom platen; 44. an upper pressure plate; 45. a vertical screw; 46. a pressure spring; 47. a pressure bolt; 48. pressing a plate frame; 49. the rack is rolled.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1, a photography view finding demonstration teaching aid, which comprises a demonstration base 1, a photography plug board 2, a driving adjusting component 3 and a rolling curtain wall 4, wherein the photography plug board 2 is installed on the upper left side of the demonstration base 1, the driving adjusting component 3 is arranged on the upper right side of the demonstration base 1, the rolling curtain wall 4 is installed in the driving adjusting component 3, and the rolling curtain wall 4 is used for rapidly switching multiple groups of photography works, so that the framing comparison with the works in the photography plug board 2 is facilitated.
Referring to fig. 2-3, the demonstration base 1 includes a base plate 101, a fixed vertical plate 102, a central vertical plate 103, an inserting chute 104, a fixing bolt 105, a protection fence 106, a spring base 107, a return spring 108, a spring plate 109, an adjusting chute 1010 and a limit block 1011, the fixed vertical plate 102 is disposed on the left upper side of the base plate 101, the central vertical plate 103 is disposed at the center of the upper side of the base plate 101, the inserting chute 104 is disposed on the inner sides of the fixed vertical plate 102 and the central vertical plate 103, the protection fence 106 is disposed on the base plate 101 between the fixed vertical plate 102 and the central vertical plate 103, the spring base 107 is disposed in the protection fence 106, a return spring 108 is disposed in the spring base 107, the spring plate 109 is disposed at the end of the return spring 108, and the return spring 108 and the spring plate 109 are used for buffering protection of the photographic plug board 2 during the installation process, so as to prevent the photographic plug board 2 from generating cracks due to excessive, the upper right side of bed plate 101 is equipped with adjusts spout 1010, adjusts slider 32 inlay card and installs in adjusting spout 1010, moves in adjusting spout 1010 through adjusting slider 32, realizes the size adjustment to drive adjusting part 3, and the both ends of adjusting spout 1010 are equipped with stopper 1011 respectively, and stopper 1011 then prevents to drive adjusting part 3 and break away from at the in-process of adjusting.
Referring to fig. 4-5, the driving adjustment assembly 3 includes a sliding vertical plate 31, an adjustment slider 32, a motor sleeve 33, a driving motor 34, an outer sleeve 35, an inner adjustment shaft 36, a locking screw hole 37, a limit catch plate 38, an inner movable groove 39, a support spring 310, a locking bolt 311, a rotating base 312, a threaded snap head 313, a jacket spring 314, a jacket plate 315, and an annular tooth groove 316, the adjustment slider 32 is disposed at the bottom of the sliding vertical plate 31, the motor sleeve 33 is disposed on the upper and lower sides of the right end of the sliding vertical plate 31, the driving motor 34 is disposed inside the motor sleeve 33, the outer sleeve 35 is disposed on the upper and lower sides of the left end of the sliding vertical plate 31, the inner adjustment shaft 36 is disposed between the outer sleeve 35, the locking screw hole 37 is disposed on the inner adjustment shaft 36, the limit catch plate 38 is disposed on each of the two ends of the inner adjustment shaft 36, the inner movable groove 39 is disposed inside the outer sleeve 35, the inner side of the upper side face of the outer sleeve shaft 35 is provided with a lock bolt 311, the lock bolt 311 is nested in a lock screw hole 37 of the inner adjusting shaft 36, the tail end of the left outer sleeve shaft 35 is provided with a rotating base 312, the outer side of the rotating base 312 is provided with a threaded clamping head 313, the rotating base 312 is embedded and inserted in the right side of the central vertical plate 103 through the threaded clamping head 313, two ends of the outer sleeve shaft 35 are respectively provided with a jacket spring 314, the tail end of the jacket spring 314 is provided with a jacket plate 315, and the outer side face of the outer sleeve shaft 35 is provided with an annular tooth.
Referring to fig. 6-7, the rolling curtain wall 4 includes an annular elastic wall panel 41, an inner display groove 42, a bottom pressing plate 43, an upper pressing plate 44, a vertical screw 45, a pressure spring 46, a pressure bolt 47, a pressing plate frame 48 and a rolling rack 49, the outer surface of the annular elastic wall panel 41 is provided with the inner display groove 42, the bottom pressing plate 43 is arranged on the bottom surface of the front side and the back side of the inner display groove 42, the vertical screw 45 is arranged on the bottom pressing plate 43, the upper pressing plate 44 is arranged on the vertical screw 45 on the upper side of the bottom pressing plate 43, the pressure spring 46 is arranged on the outer side of the vertical screw 45 on the upper side of the upper pressing plate 44, the pressing plate frame 48 is arranged on the vertical screw 45 on the upper side of the pressure spring 46, the pressure bolt 47 is arranged on the vertical screw 45 on the upper side of the pressing plate frame 48, the rolling racks 49 are respectively arranged on.
The working principle of the invention is as follows: the invention relates to a photographic view finding demonstration teaching appliance, wherein common image works are installed in a photographic plug board 2, the photographic plug board 2 is inserted into an insertion sliding groove 104 on the left side of a demonstration base 1, the image works in different view modes are placed in the inner display groove 42 of the rolling curtain wall 4 and are fixed by the bottom pressing plate 43 and the upper pressing plate 44, and is pressed and fixed by the pressure plate frame 48 under the action of the pressure spring 46 and the pressure bolt 47, the whole rolling curtain wall 4 is installed on the outer sleeve shaft 35 in the driving adjustment assembly 3, and is clamped and fixed by the jacket spring 314 and the jacket plate 315, when teaching is performed, the outer sleeve shaft 35 and the inner adjusting shaft 36 can be driven to rotate by starting the driving motor 34, therefore, the rolling curtain wall 4 rolls under the action of the annular tooth groove 316 and the rolling tooth bar 49, and the inner display groove 42 at the rear side rolls to the front end, so that the rolling curtain wall can be conveniently compared with photographic works in the photographic insertion plate 2 beside.
In summary, the following steps: the invention relates to a photographic view finding demonstration teaching appliance, wherein common image works are installed in a photographic plug board 2, the photographic plug board 2 is inserted into an insertion sliding groove 104 on the left side of a demonstration base 1, the image works under different view finding modes are placed in an inner display groove 42 of a rolling curtain wall 4, are fixed by a bottom pressure plate 43 and an upper pressure plate 44 and are pressed and fastened by a pressure plate frame 48 under the action of a pressure spring 46 and a pressure bolt 47, the whole rolling curtain wall 4 is installed on an outer sleeve shaft 35 in a driving and adjusting component 3 and is clamped and fixed by a sleeve spring 314 and a sleeve plate 315, when the demonstration teaching is carried out, the outer sleeve shaft 35 and an inner adjusting shaft 36 can be driven to rotate by starting a driving motor 34, so that the rolling curtain wall 4 is enabled to roll to the inner display groove 42 on the rear side to the front end under the action of an annular tooth groove 316 and a rolling tooth bar 49, and the comparison with the photographic works in the photographic plug board 2 on the side is convenient, the invention has a complete and reasonable structure, effectively realizes the fast switching of photographic works, is convenient for the research of different view finding modes of two groups of image works, and is convenient for the teaching work of photography.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (7)
1. The utility model provides a demonstration teaching aid is looked into in photography, includes demonstration base (1), photographic picture peg (2), drive adjusting part (3) and roll curtain (4), its characterized in that: a photographic plug board (2) is installed on the upper left side of the demonstration base (1), a driving adjusting component (3) is arranged on the upper right side of the demonstration base (1), and a rolling curtain wall (4) is installed in the driving adjusting component (3);
the demonstration base (1) comprises a base plate (101), a fixed vertical plate (102), a central vertical plate (103), an inserting sliding groove (104), a fixed bolt (105), a protection fence (106), a spring base (107), a reset spring (108), a spring plate (109), an adjusting sliding groove (1010) and a limiting block (1011), wherein the fixed vertical plate (102) is arranged on the upper left side of the base plate (101), the central vertical plate (103) is arranged at the center of the upper side of the base plate (101), the inserting sliding grooves (104) are respectively arranged on the inner sides of the fixed vertical plate (102) and the central vertical plate (103), the protection fence (106) is arranged on the base plate (101) between the fixed vertical plate (102) and the central vertical plate (103), the spring base (107) is arranged in the protection fence (106), the reset spring (108) is arranged in the spring base (107), and the spring plate (109) is arranged at the tail end of the reset spring (, the upper right side of bed plate (101) is equipped with adjusts spout (1010), the both ends of adjusting spout (1010) are equipped with stopper (1011) respectively.
2. A photogrammetric viewing demonstration teaching aid as claimed in claim 1 wherein: the driving adjusting component (3) comprises a sliding vertical plate (31), an adjusting slide block (32), a motor sleeve (33), a driving motor (34), an outer sleeve (35), an inner adjusting shaft (36), a locking screw hole (37), a limiting clamping plate (38), an inner movable groove (39), a supporting spring (310), a locking bolt (311), a rotating base (312), a thread clamping head (313), a clamping spring (314), a clamping plate (315) and an annular tooth groove (316), wherein the adjusting slide block (32) is arranged at the bottom of the sliding vertical plate (31), the motor sleeve (33) is respectively arranged on the upper side and the lower side of the right end of the sliding vertical plate (31), the driving motor (34) is arranged in the motor sleeve (33), the outer sleeve (35) is respectively arranged on the upper side and the lower side of the left end of the sliding vertical plate (31), the inner adjusting shaft (36) is arranged between the outer sleeve (35, be equipped with locking screw hole (37) on interior regulation axle (36), the both ends of interior regulation axle (36) are equipped with spacing cardboard (38) respectively, the inboard of outer sleeve (35) is equipped with interior activity groove (39), installation supporting spring (310) between interior activity groove (39) and spacing cardboard (38), the side inboard installation hasp bolt (311) of going up of outer sleeve (35), the left side the end of outer sleeve (35) is equipped with rotating base (312), the outside of rotating base (312) is equipped with screw thread inlay card head (313), the both ends of outer sleeve (35) are equipped with respectively and press from both sides cover spring (314), the end that presss from both sides cover spring (314) is equipped with presss from both sides cover plate (315), the lateral surface of outer sleeve (35) is equipped with annular tooth's socket (316).
3. A photogrammetric viewing demonstration teaching aid as claimed in claim 1 wherein: the rolling curtain wall (4) comprises an annular elastic wall plate (41), an inner display groove (42), a bottom pressing plate (43), an upper pressing plate (44), vertical screw rods (45), pressure springs (46), pressure bolts (47), a pressing plate frame (48) and rolling racks (49), the outer surface of the annular elastic wall plate (41) is provided with the inner display groove (42), the bottom pressing plate (43) is arranged on the bottom surfaces of the front side and the rear side of the inner display groove (42), the vertical screw rods (45) are arranged on the bottom pressing plate (43), the upper pressing plate (44) is arranged on the vertical screw rods (45) on the upper side of the bottom pressing plate (43), the pressure springs (46) are arranged on the outer sides of the vertical screw rods (45) on the upper side of the upper pressing plate (44), the pressing plate frame (48) is arranged on the vertical screw rods (45) on the upper side of the pressure springs (46), the pressure bolts (47) are arranged on the vertical, two sides of the inner bottom surface of the annular elastic wall plate (41) are respectively provided with a rolling rack (49).
4. A photogrammetric viewing demonstration teaching aid as claimed in claim 3 wherein: the rolling rack (49) is arranged outside the annular tooth groove (316) in a clamping and embedding manner.
5. A photogrammetric viewing demonstration teaching aid as claimed in claim 2 wherein: the locking bolt (311) is nested in a locking screw hole (37) of the inner adjusting shaft (36).
6. A photogrammetric viewing demonstration teaching aid as claimed in claim 2 wherein: the adjusting slide block (32) is embedded in the adjusting sliding groove (1010).
7. A photogrammetric viewing demonstration teaching aid as claimed in claim 2 wherein: the rotary base (312) is embedded and inserted at the right side of the central vertical plate (103) through a threaded embedding head (313).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110405401.5A CN113077687A (en) | 2021-04-15 | 2021-04-15 | Photographic view finding demonstration teaching appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110405401.5A CN113077687A (en) | 2021-04-15 | 2021-04-15 | Photographic view finding demonstration teaching appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113077687A true CN113077687A (en) | 2021-07-06 |
Family
ID=76617587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110405401.5A Pending CN113077687A (en) | 2021-04-15 | 2021-04-15 | Photographic view finding demonstration teaching appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113077687A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889069A (en) * | 2022-04-28 | 2022-08-12 | 南京创维镜成科技有限公司 | Injection mold is used in working of plastics production |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09146480A (en) * | 1995-11-22 | 1997-06-06 | Tateyama Alum Ind Co Ltd | Advertisement display device |
| CN2687776Y (en) * | 2004-03-16 | 2005-03-23 | 梁斌 | Advertising display device |
| CN207489382U (en) * | 2017-11-16 | 2018-06-12 | 深圳福高科技有限公司 | A kind of LED display being convenient for changing |
| CN208544007U (en) * | 2018-04-11 | 2019-02-26 | 朱宸希 | Network technique controls educational devices |
| CN209691315U (en) * | 2019-03-26 | 2019-11-26 | 青岛盛世联合广告有限公司 | A kind of billboard deck convenient changing device |
| CN210015683U (en) * | 2019-05-28 | 2020-02-04 | 潍坊职业学院 | Publicity column for ideological education |
| CN210091664U (en) * | 2019-06-17 | 2020-02-18 | 中国能源建设集团东北电力第二工程有限公司 | Electric power knowledge propaganda show shelf |
| CN210155923U (en) * | 2019-06-21 | 2020-03-17 | 哈尔滨体育学院 | Sports psychology education teaching display device |
| CN210200088U (en) * | 2019-04-18 | 2020-03-27 | 咸阳师范学院 | English vocabulary kind contrast explanation presentation device |
| CN210349219U (en) * | 2019-10-21 | 2020-04-17 | 绍兴起航广告有限公司 | Anti-drop's elevator bill-board |
-
2021
- 2021-04-15 CN CN202110405401.5A patent/CN113077687A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09146480A (en) * | 1995-11-22 | 1997-06-06 | Tateyama Alum Ind Co Ltd | Advertisement display device |
| CN2687776Y (en) * | 2004-03-16 | 2005-03-23 | 梁斌 | Advertising display device |
| CN207489382U (en) * | 2017-11-16 | 2018-06-12 | 深圳福高科技有限公司 | A kind of LED display being convenient for changing |
| CN208544007U (en) * | 2018-04-11 | 2019-02-26 | 朱宸希 | Network technique controls educational devices |
| CN209691315U (en) * | 2019-03-26 | 2019-11-26 | 青岛盛世联合广告有限公司 | A kind of billboard deck convenient changing device |
| CN210200088U (en) * | 2019-04-18 | 2020-03-27 | 咸阳师范学院 | English vocabulary kind contrast explanation presentation device |
| CN210015683U (en) * | 2019-05-28 | 2020-02-04 | 潍坊职业学院 | Publicity column for ideological education |
| CN210091664U (en) * | 2019-06-17 | 2020-02-18 | 中国能源建设集团东北电力第二工程有限公司 | Electric power knowledge propaganda show shelf |
| CN210155923U (en) * | 2019-06-21 | 2020-03-17 | 哈尔滨体育学院 | Sports psychology education teaching display device |
| CN210349219U (en) * | 2019-10-21 | 2020-04-17 | 绍兴起航广告有限公司 | Anti-drop's elevator bill-board |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889069A (en) * | 2022-04-28 | 2022-08-12 | 南京创维镜成科技有限公司 | Injection mold is used in working of plastics production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112492142B (en) | High definition digtal camera based on make things convenient for altitude mixture control of taking a candid photograph of law violation | |
| US20200053260A1 (en) | 3d panoramic camera with a built-in stabilzer | |
| CN109541880B (en) | Anti-falling projector and using method thereof | |
| CN113077687A (en) | Photographic view finding demonstration teaching appliance | |
| CN110099205B (en) | 360 degrees multi-lens stereo camera of panorama | |
| CN215522620U (en) | Building site video monitoring installation component | |
| CN210950677U (en) | Three-dimensional movie & TV shooting device | |
| CN106322083A (en) | Handheld mobile phone shooting bracket | |
| CN215764205U (en) | Can realize camera equipment for video preparation of panorama acquisition | |
| CN214066467U (en) | Curved surface screen optical characteristic detection device | |
| CN210219137U (en) | 360-degree rotatable holographic projection frame | |
| CN210776143U (en) | Display platform with dynamic projection function | |
| CN211087622U (en) | Information security teaching display device | |
| CN201509253U (en) | Potable type sports DV capable of being used as camera lens | |
| CN212541372U (en) | Information input equipment for real estate registration | |
| CN210574760U (en) | Digital photo frame convenient for multiple connection assembly | |
| CN213809695U (en) | All-round pivoted photographic support of making a video recording | |
| CN214896622U (en) | Visual code reading equipment with good reading effect | |
| CN205450556U (en) | Three -dimensional camera device frames at four sides | |
| CN205350741U (en) | Auxiliary device of file is shot with cell -phone or digital camera | |
| CN211875541U (en) | Projection equipment for digital media | |
| CN219263766U (en) | Video shooting fixed bolster | |
| CN209912187U (en) | Computer multimedia distance education training teaching device | |
| CN218974895U (en) | Touch all-in-one | |
| CN221237474U (en) | Camera mounting structure and camera |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210706 |
|
| RJ01 | Rejection of invention patent application after publication |