CN214042726U - Demonstration frame for higher education - Google Patents
Demonstration frame for higher education Download PDFInfo
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- CN214042726U CN214042726U CN202120179074.1U CN202120179074U CN214042726U CN 214042726 U CN214042726 U CN 214042726U CN 202120179074 U CN202120179074 U CN 202120179074U CN 214042726 U CN214042726 U CN 214042726U
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Abstract
The utility model relates to a teaching display device technical field just discloses a demonstration frame for professorship education, the on-line screen storage device comprises a base, fixed surface is connected with the fixing base on the base, the fixing base inner wall rotates and is connected with the rotation seat, fixed surface is connected with the rolling disc on the rotation seat, fixed surface is connected with the multiunit teeth of a cogwheel on the rolling disc, the right side of base upper surface is rotated and is connected with the axis of rotation, and the first wheel that shakes of axis of rotation top end fixedly connected with, first gear has been cup jointed to axis of rotation surface bottom. This demonstration frame for professorse education uses through the second shake wheel, U-shaped piece, second gear, rack, worm wheel and worm cooperation for the user can shake the wheel through rotating the second and drive and press from both sides tight piece and move left, presss from both sides the cooperation of tight piece and is located left curb plate and presss from both sides the fastening with the show material and fix, thereby has further made things convenient for the user to the fixed work of show material, has improved the fixed stability of show material, has made things convenient for the user to use.
Description
Technical Field
The utility model relates to a teaching display device technical field specifically is a demonstration frame for higher education.
Background
At present, higher vocational education is an important component of education in China, including higher specialty education, higher vocational education and adult higher education (hereinafter referred to as higher education), is a type in education development, carries on the shoulder to train talent mission for economic society construction and development, and simultaneously, higher vocational education is also higher education in the vocational education system in China, and some videos need to be displayed in the process of higher vocational education, so that learners can conveniently understand knowledge, and demonstration equipment needs to be fixed by a demonstration frame.
For example, chinese patent application nos.: 201921629746.3, a demonstration stand for higher education, substantially as described by: the demonstration shelf for the high-position education comprises a fixed plate, a supporting plate is fixedly connected to the bottom end of the front side face of the fixed plate, a placing groove is formed in the right end of the fixed plate, an elastic spring is fixedly connected to both the inner top left side wall and the inner left bottom side wall of the fixed plate, an expansion plate is fixedly connected to the other end of the elastic spring, the outer side wall of the expansion plate is in contact with the inner side wall of the fixed plate, a sponge plate is fixedly connected to the inner side wall of the supporting plate, the demonstration shelf for the high-position education can better fix demonstration equipment through the cooperation of the fixed plate, the supporting plate, the sponge plate, an anti-slip plate, the elastic spring, the expansion plate and the supporting plate, the fixing effect of the device is improved, the height of the fixed plate can be adjusted through the cooperation of a limiting pipe, a servo motor, a rotating shaft, a threaded rod, a limiting block, a moving block and a moving shaft, the height of the demonstration equipment is further adjusted, but the left and right showing angle of the fixed plate is difficult to be adjusted by the device, the students at the two sides of the classroom are inconvenient to observe, and the display effect is not good.
Accordingly, the inventor provides a demonstration shelf for higher education by studying and improving the existing structure and deficiency with the experience of abundant design development and actual production in the related industry for many years.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a demonstration frame for higher education, which solves the problems in the prior art.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a demonstration frame for higher education comprises a base, wherein a fixed seat is fixedly connected to the upper surface of the base, a rotating seat is rotatably connected to the inner wall of the fixed seat, a rotating disc is fixedly connected to the upper surface of the rotating seat, a plurality of groups of gear teeth are fixedly connected to the outer surface of the rotating disc, a rotating shaft is rotatably connected to the right side of the upper surface of the base, a first rocking wheel is fixedly connected to the top end of the rotating shaft, a first gear is sleeved at the bottom of the outer surface of the rotating shaft and meshed with the gear teeth, an L-shaped support frame is sleeved in the middle of the outer surface of the rotating shaft, the lower surface of the L-shaped support frame is fixedly connected with the upper surface of the base, a fixed sleeve is fixedly connected to the middle of the upper surface of the rotating disc, a lifting column is slidably connected to the inner wall of the fixed sleeve, a plurality of limiting holes are formed in the left side of the outer surface of the lifting column, and a first telescopic pin is inserted in the left top of the outer surface of the fixed sleeve, the upper surface of the lifting column is fixedly connected with a U-shaped fixed plate, the top of the inner wall of the U-shaped fixed plate is inserted with a connecting rod, the outer surface of the connecting rod is sleeved with a display plate, the left side surface and the right side surface of the display plate are fixedly connected with L-shaped plates, the outer side surface of each L-shaped plate is inserted with a second telescopic pin, the left side surface and the right side surface of the U-shaped fixed plate are provided with a plurality of groups of positioning holes matched with the second telescopic pins, the left side and the right side surface of the front surface of the display plate are fixedly connected with side plates, the top and the bottom of the inner side surface of each side plate are fixedly connected with sliding rods, the right side of the outer surface of each sliding rod is sleeved with a clamping block, the middle part of the back surface of the clamping block is rotatably connected with a first rotating rod, the middle part of the front surface of the display plate is provided with two groups of sliding grooves, the rear side of the outer surface of the first rotating rod is sleeved with a second gear, and the back surface of the display plate is fixedly connected with a rack, the rack meshes with the second gear, the worm wheel has been cup jointed to the rear side of first dwang surface, two sets of bent shape slide bars of show board back fixedly connected with, bent shape slide bar surface has cup jointed the U-shaped piece, U-shaped piece inner wall rotates and is connected with the second dwang, the worm has been cup jointed to the second dwang surface, the inside dead lever that is provided with of sliding tray that is located the top, the front end of dead lever and the back fixed connection who presss from both sides tight piece, the rear end of dead lever and the positive fixed connection of U-shaped piece, second dwang right-hand member fixedly connected with second rocking wheel, the equal fixedly connected with shock attenuation post in four corners of base lower surface.
Preferably, the top and the bottom of the outer surface of the rotating seat are fixedly connected with square sliding rails, and the inner wall of the fixing seat is provided with a square sliding groove matched with the square sliding rails.
Preferably, first flexible round pin includes the inserted bar, and the left end fixedly connected with arm-tie of inserted bar, the right flank fixedly connected with extension spring of arm-tie, extension spring's right-hand member and the left side fixed connection of fixed cover section of thick bamboo surface, the structure of second flexible round pin is the same with the structure of first flexible round pin.
Preferably, the outer surfaces of the first rocking wheel and the second rocking wheel are provided with anti-skid layers, and the outer surfaces of the anti-skid layers are provided with friction anti-skid grains.
Preferably, the shock absorption column comprises a support column, a support sleeve is sleeved at the bottom of the outer surface of the support column, a base plate is fixedly connected to the lower surface of the support sleeve, and a compression spring is arranged inside the support sleeve.
Preferably, T-shaped sliding grooves are formed in the front side and the rear side of the outer surface of the lifting column, and the inner wall of the fixing sleeve is fixedly connected with a T-shaped sliding rail matched with the T-shaped sliding grooves.
(III) advantageous effects
Compared with the prior art, the utility model provides a demonstration frame for professorship education possesses following beneficial effect:
1. this demonstration frame for professorse education uses through the second shake wheel, U-shaped piece, second gear, rack, worm wheel and worm cooperation for the user can shake the wheel through rotating the second and drive and press from both sides tight piece and move left, presss from both sides the cooperation of tight piece and is located left curb plate and presss from both sides the fastening with the show material and fix, thereby has further made things convenient for the user to the fixed work of show material, has improved the fixed stability of show material, has made things convenient for the user to use.
2. This demonstration frame for higher education, use through rotating the seat, the rolling disc, the teeth of a cogwheel, fixed sleeve and lift post cooperation for the user can be through rotating the show direction that first rocking wheel adjusted the show board, and adjust the show height of show board through the lift post, thereby further made things convenient for the user to the regulation work of show board show direction, further made things convenient for the student of classroom both sides and back row to observe the content on the show board, further improved the device's suitability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
fig. 3 and 4 are schematic views of the local structure of the present invention.
In the figure: 1. a base; 2. a fixed seat; 3. a rotating seat; 4. rotating the disc; 5. gear teeth; 6. a rotating shaft; 7. a first rocking wheel; 8. a first gear; 9. an L-shaped support frame; 10. fixing the sleeve; 11. a lifting column; 1101. a limiting hole; 12. a first retractable pin; 13. a U-shaped fixing plate; 1301. positioning holes; 14. a connecting rod; 15. a display board; 1501. a sliding groove; 16. an L-shaped plate; 17. a second retractable pin; 18. a slide bar; 19. a clamping block; 20. a first rotating lever; 21. a second gear; 22. a rack; 23. a worm gear; 24. a curved slide bar; 25. a shock-absorbing post; 26. a U-shaped block; 27. a second rotating lever; 28. a worm; 29. fixing the rod; 30. a second rocking wheel; 31. side plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a demonstration shelf for higher education comprises a base 1, wherein a fixed seat 2 is fixedly connected to the upper surface of the base 1, a rotating seat 3 is rotatably connected to the inner wall of the fixed seat 2, a rotating disc 4 is fixedly connected to the upper surface of the rotating seat 3, a plurality of groups of gear teeth 5 are fixedly connected to the outer surface of the rotating disc 4, a rotating shaft 6 is rotatably connected to the right side of the upper surface of the base 1, a first rocking wheel 7 is fixedly connected to the top end of the rotating shaft 6, a first gear 8 is sleeved at the bottom of the outer surface of the rotating shaft 6, the first gear 8 is meshed with the gear teeth 5, an L-shaped support frame 9 is sleeved in the middle of the outer surface of the rotating shaft 6, the lower surface of the L-shaped support frame 9 is fixedly connected with the upper surface of the base 1, a fixed sleeve 10 is fixedly connected to the middle of the upper surface of the rotating disc 4, a lifting column 11 is slidably connected to the inner wall of the fixed sleeve 10, a plurality of limiting holes 1101 are formed in the left side of the outer surface of the lifting column 11, a first telescopic pin 12 is inserted in the left side of the outer surface of the fixed sleeve 10, the upper surface of the lifting column 11 is fixedly connected with a U-shaped fixed plate 13, the top of the inner wall of the U-shaped fixed plate 13 is inserted with a connecting rod 14, the outer surface of the connecting rod 14 is sleeved with a display plate 15, the left side surface and the right side surface of the display plate 15 are both fixedly connected with an L-shaped plate 16, the outer side surface of the L-shaped plate 16 is inserted with a second telescopic pin 17, the left side surface and the right side surface of the U-shaped fixed plate 13 are provided with a plurality of groups of positioning holes 1301 matched with the second telescopic pins 17, the left side and the right side of the front surface of the display plate 15 are both fixedly connected with side plates 31, the top and the bottom of the inner side surface of each side plate 31 are both fixedly connected with a sliding rod 18, the right side of the outer surface of each sliding rod 18 is sleeved with a clamping block 19, the middle of the back surface of each clamping block 19 is rotatably connected with a first rotating rod 20, the middle of the front surface of the display plate 15 is provided with two groups of sliding grooves 1501, the back surface of the first rotating rod 20 is sleeved with a second gear 21, the back surface of the display plate 15 is fixedly connected with a rack 22, the rack 22 is engaged with the second gear 21, the rear side of the outer surface of the first rotating rod 20 is sleeved with the worm wheel 23, the back of the display board 15 is fixedly connected with two groups of curved slide rods 24, the outer surface of the curved slide rods 24 is sleeved with the U-shaped block 26, the inner wall of the U-shaped block 26 is rotatably connected with the second rotating rod 27, the outer surface of the second rotating rod 27 is sleeved with the worm 28, the worm 28 is engaged with the worm wheel 23, the fixed rod 29 is arranged in the sliding groove 1501 at the top, the front end of the fixed rod 29 is fixedly connected with the back of the clamping block 19, the rear end of the fixed rod 29 is fixedly connected with the front of the U-shaped block 26, the right end of the second rotating rod 27 is fixedly connected with the second rocking wheel 30, four corners of the lower surface of the base 1 are fixedly connected with the shock absorption columns 25, and a user can drive the clamping block 19 to move leftwards by rotating the second rocking wheel 30, the U-shaped block 26, the rack 22, the worm wheel 23 and the worm wheel 28 are matched for use, the cooperation of the clamp block 19 is located left curb plate 31 and presss from both sides the fastening with the show material and decides, thereby further made things convenient for the fixed work of user to the show material, the fixed stability of show material has been improved, the user's use has been made things convenient for, through rotating seat 3, rolling disc 4, the teeth of a cogwheel 5, fixed sleeve 10 and lift post 11 cooperation are used, make the user can adjust the show direction of show board 15 through rotating first rocking wheel 7, and adjust the show height of show board 15 through lift post 11, thereby further made things convenient for the user to the regulation work of show board 15 show direction, the student that has further made things convenient for classroom both sides and back row observes the content on the show board 15, the device's suitability has further been improved.
The utility model discloses in, for further reinforcing the rotational stability who rotates seat 3, consequently rotating the top of 3 surfaces of seat and the equal fixedly connected with square slide rail in bottom, 2 inner walls of fixing base offer with the square spout of square slide rail looks adaptation, through square slide rail and the cooperation of square spout to the rotational stability who rotates seat 3 has further been strengthened.
The utility model discloses in, highly adjusting lifting column 11 for further person of facilitating the use, consequently first telescopic pin 12 includes the inserted bar, the left end fixedly connected with arm-tie of inserted bar, the right flank fixedly connected with extension spring of arm-tie, extension spring's right-hand member and the left side fixed connection of fixed sleeve 10 surface, the structure of second telescopic pin 17 is the same with the structure of first telescopic pin 12 for the user can adjust lifting column 11's height through the mode of the first telescopic pin 12 of pulling.
The utility model discloses in, for further person of facilitating the use uses the device, consequently the surface of shaking wheel 7 and second at first shaking wheel 30 all is provided with the skid resistant course, and the surface of skid resistant course is provided with friction anti-skidding line to increased the palm and first shaking wheel 7 and second and shaken the frictional force between the wheel 30, further made things convenient for the user to use the device.
The utility model discloses in, stability when using for further reinforcing the device, consequently shock attenuation post 25 includes the support column, and the support sleeve has been cup jointed to the bottom of support column surface, and fixed surface is connected with the backing plate under the support sleeve, and the inside compression spring that is provided with of support sleeve for shock attenuation post 25 plays the effect of shock attenuation buffering to the device bottom, thereby has further strengthened the stability when the device uses.
The utility model discloses in, for further reinforcing lift post 11's motion stability, consequently T shape spout has all been seted up to both sides around lift post 11 surface, and the inner wall fixedly connected with of fixed sleeve 10 and the T shape slide rail of T shape spout looks adaptation cooperate through T shape slide rail and T shape spout to lift post 11's motion stability has further been strengthened.
When the display board is used, the first rocking wheel 7 is rotated, the first rocking wheel 7 drives the rotating shaft 6 to rotate, the rotating shaft 6 drives the first gear 8 to rotate, the first gear 8 drives the rotating disc 4 to rotate through the gear teeth 5, so that the display direction of the display board 15 is adjusted, the first telescopic pin 12 is pulled, the first telescopic pin 12 is separated from the limiting hole 1101, the U-shaped fixing plate 13 is lifted upwards, the first telescopic pin 12 is loosened, the first telescopic pin 12 is inserted into the limiting hole 1101, the height of the lifting column 11 is fixed by the first telescopic pin 12, the second telescopic pin 17 is pulled, the display board 15 is rotated by taking the connecting rod 14 as an axis, the second telescopic pin 17 is loosened, the second telescopic pin 17 is inserted into the positioning hole 1301, the display board 15 is fixed by the second telescopic pin 17, so that the display angle of the display board 15 is adjusted, the display material is placed on the front surface of the display board 15, the second rocking wheel 30 is rotated, the second rocking wheel 30 drives the second rotating rod 27 to rotate, the second rotating rod 27 drives the worm wheel 23 to rotate through the worm 28, the worm wheel 23 drives the first rotating rod 20 to rotate, the first rotating rod 20 drives the second gear 21 to rotate, the second gear 21 drives the U-shaped block and the clamping block 19 to move leftwards through the rack 22, and the clamping block 19 is matched with the side plate 31 positioned on the left side to clamp and fix the display material.
In conclusion, this demonstration frame for higher education uses through the cooperation of second rocking wheel 30, U-shaped piece 26, second gear 21, rack 22, worm wheel 23 and worm 28 for the user can shake wheel 30 through rotating the second and drive and press from both sides tight piece 19 and move left, presss from both sides tight piece 19 cooperation and is located left curb plate 31 and presss from both sides the fastening and fix the show material, thereby has further made things convenient for the user to the fixed work of show material, has improved the fixed stability of show material, has made things convenient for the user to use.
This demonstration frame for higher education, through rotating seat 3, rolling disc 4, the teeth of a cogwheel 5, fixed sleeve 10 and 11 cooperations of lift post are used, make the user can adjust the show direction of show board 15 through rotating first rocking wheel 7, and adjust the show height of show board 15 through lift post 11, thereby further made things convenient for the user to show the regulation work of board 15 show directions, further made things convenient for the student of classroom both sides and back row to observe the content on the show board 15, the device's suitability has further been improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a demonstration frame for higher education, includes base (1), its characterized in that: the upper surface of the base (1) is fixedly connected with a fixing seat (2), the inner wall of the fixing seat (2) is rotatably connected with a rotating seat (3), the upper surface of the rotating seat (3) is fixedly connected with a rotating disc (4), the outer surface of the rotating disc (4) is fixedly connected with a plurality of groups of gear teeth (5), the right side of the upper surface of the base (1) is rotatably connected with a rotating shaft (6), the top end of the rotating shaft (6) is fixedly connected with a first rocking wheel (7), the bottom of the outer surface of the rotating shaft (6) is sleeved with a first gear (8), the first gear (8) is meshed with the gear teeth (5), the middle part of the outer surface of the rotating shaft (6) is sleeved with an L-shaped supporting frame (9), the lower surface of the L-shaped supporting frame (9) is fixedly connected with the upper surface of the base (1), and the middle part of the upper surface of the rotating disc (4) is fixedly connected with a fixing sleeve (10), the inner wall of the fixed sleeve (10) is connected with a lifting column (11) in a sliding mode, a plurality of groups of limiting holes (1101) are formed in the left side of the outer surface of the lifting column (11), a first telescopic pin (12) is inserted into the left top of the outer surface of the fixed sleeve (10), a U-shaped fixed plate (13) is fixedly connected to the upper surface of the lifting column (11), a connecting rod (14) is inserted into the top of the inner wall of the U-shaped fixed plate (13), a display plate (15) is sleeved on the outer surface of the connecting rod (14), L-shaped plates (16) are fixedly connected to the left side surface and the right side surface of the display plate (15), second telescopic pins (17) are inserted into the outer side surface of each L-shaped plate (16), a plurality of positioning holes (1301) matched with the second telescopic pins (17) are formed in the left side surface and the right side surface of the U-shaped fixed plate (13), and side plates (31) are fixedly connected to the left side and the right side surfaces of the front surface of the display plate (15), the top and the bottom of the inner side surface of the side plate (31) are fixedly connected with sliding rods (18), the right side of the outer surface of each sliding rod (18) is sleeved with a clamping block (19), the middle of the back surface of the clamping block (19) is rotatably connected with a first rotating rod (20), the front middle of the display plate (15) is provided with two groups of sliding grooves (1501), the rear side of the outer surface of the first rotating rod (20) is sleeved with a second gear (21), the back surface of the display plate (15) is fixedly connected with a rack (22), the rack (22) is meshed with the second gear (21), the rear side of the outer surface of the first rotating rod (20) is sleeved with a worm wheel (23), the back surface of the display plate (15) is fixedly connected with two groups of curved sliding rods (24), the outer surface of each curved sliding rod (24) is sleeved with a U-shaped block (26), and the inner wall of each U-shaped block (26) is rotatably connected with a second rotating rod (27), the outer surface of the second rotating rod (27) is sleeved with a worm (28), the worm (28) is meshed with a worm wheel (23), a fixing rod (29) is arranged inside a sliding groove (1501) at the top, the front end of the fixing rod (29) is fixedly connected with the back of a clamping block (19), the rear end of the fixing rod (29) is fixedly connected with the front of a U-shaped block (26), the right end of the second rotating rod (27) is fixedly connected with a second rocking wheel (30), and four corners of the lower surface of the base (1) are fixedly connected with damping columns (25).
2. A demonstration stand for vocational education according to claim 1 wherein: the top and the bottom of the outer surface of the rotating seat (3) are fixedly connected with square sliding rails, and the inner wall of the fixing seat (2) is provided with square sliding grooves matched with the square sliding rails.
3. A demonstration stand for vocational education according to claim 1 wherein: the first telescopic pin (12) comprises an insertion rod, the left end of the insertion rod is fixedly connected with a pulling plate, the right side face of the pulling plate is fixedly connected with an extension spring, the right end of the extension spring is fixedly connected with the left side of the outer surface of the fixed sleeve (10), and the structure of the second telescopic pin (17) is the same as that of the first telescopic pin (12).
4. A demonstration stand for vocational education according to claim 1 wherein: the outer surfaces of the first rocking wheel (7) and the second rocking wheel (30) are both provided with anti-skid layers, and the outer surfaces of the anti-skid layers are provided with friction anti-skid grains.
5. A demonstration stand for vocational education according to claim 1 wherein: the shock absorption column (25) comprises a support column, a support sleeve is sleeved at the bottom of the outer surface of the support column, a base plate is fixedly connected to the lower surface of the support sleeve, and a compression spring is arranged inside the support sleeve.
6. A demonstration stand for vocational education according to claim 1 wherein: t-shaped sliding grooves are formed in the front side and the rear side of the outer surface of the lifting column (11), and T-shaped sliding rails matched with the T-shaped sliding grooves are fixedly connected to the inner wall of the fixing sleeve (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120179074.1U CN214042726U (en) | 2021-01-22 | 2021-01-22 | Demonstration frame for higher education |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120179074.1U CN214042726U (en) | 2021-01-22 | 2021-01-22 | Demonstration frame for higher education |
Publications (1)
Publication Number | Publication Date |
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CN214042726U true CN214042726U (en) | 2021-08-24 |
Family
ID=77347127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202120179074.1U Expired - Fee Related CN214042726U (en) | 2021-01-22 | 2021-01-22 | Demonstration frame for higher education |
Country Status (1)
Country | Link |
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CN (1) | CN214042726U (en) |
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2021
- 2021-01-22 CN CN202120179074.1U patent/CN214042726U/en not_active Expired - Fee Related
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20210824 Termination date: 20220122 |