CN213785991U - Teacher's desk with folding and unfolding structure for classroom - Google Patents
Teacher's desk with folding and unfolding structure for classroom Download PDFInfo
- Publication number
- CN213785991U CN213785991U CN202021720673.1U CN202021720673U CN213785991U CN 213785991 U CN213785991 U CN 213785991U CN 202021720673 U CN202021720673 U CN 202021720673U CN 213785991 U CN213785991 U CN 213785991U
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- China
- Prior art keywords
- classroom
- teacher
- desk
- cabinet body
- bottom plate
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- 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.)
- Expired - Fee Related
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- 230000003028 elevating effect Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 241001310793 Podium Species 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
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Abstract
The utility model relates to a teaching equipment technical field discloses a lectern for classroom with receive and release structure, including the bottom plate, the upper surface of bottom plate is equipped with the cabinet body, the upper surface left and right sides sliding connection guide bar of the cabinet body, the upper end fixed connection elevating platform of guide bar, the upper surface middle part of bottom plate is equipped with driving motor, the first band pulley of driving motor's output shaft fixed connection, and the second band pulley is connected through the belt to first band pulley, the middle part of second band pulley fixed connection lead screw, the middle part of the left and right sides threaded connection nut of lead screw, the lower extreme of connecting first bracing piece is rotated to the upper end of nut, and the lower surface of connecting the roof is rotated to the upper end of first bracing piece, the middle part of elevating platform is equipped with the second groove of stepping down, and the rear side in the second groove of stepping down rotates the lower part of connecting the rotor plate. The utility model is suitable for a lectern is used in classroom with receive and release structure, at the in-process of adjusting, the rotor plate is also corresponding begins to rotate, realizes the expansion of display screen or accomodates.
Description
Technical Field
The utility model relates to a teaching equipment technical field specifically is a lectern for classroom with receive and release structure.
Background
The teacher's desk is a necessary teaching aid in a teaching classroom. At present, teaching lecterns used by people generally only have the function of a simple lectern, and the function is single. If a novel teacher desk is manufactured, the requirement of teachers in teaching can be met, and the teaching quality can be further improved. In order to further improve the teaching, the utility model aims at providing a special multi-functional lectern of mathematical education.
Chinese patent (publication number: CN210727054U) discloses an intelligent lifting device for a multimedia classroom lectern, which comprises a base, wherein a partition plate is welded on the inner wall of the base, a driving mechanism is fixedly installed at the bottom of the partition plate, a lifting mechanism is welded at the top of the inner cavity of the base, a support column is welded on the inner side of the lifting mechanism, and the top of the support column penetrates through the base and extends to the outside of the base; the device passes through the base, the baffle, actuating mechanism, elevating system, the pillar, the podium, the baffle, recognition device, a display, the setting of mouse and microphone, make the podium possess can come the advantage of automatically regulated podium height according to the lecturer height, solved current podium simultaneously and can not come automatically regulated height according to the height of lecturer, consequently when the height difference of lecturer's height and podium is too big, can greatly reduce lecturer's use and experience, reduce the problem of lecture effect of lecture, but the device can not draw in the display screen inside the device in, lead to the display screen to be impaired easily, improve to the device because of just needing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lectern is used in classroom with receive and release structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a teacher desk with a retractable structure for classrooms comprises a bottom plate, a cabinet body is arranged on the upper surface of the bottom plate, guide rods are slidably connected to the left side and the right side of the upper surface of the cabinet body, a lifting platform is fixedly connected to the upper ends of the guide rods, the middle part of the upper surface of the bottom plate is provided with a driving motor, an output shaft of the driving motor is fixedly connected with a first belt wheel, the first belt wheel is connected with a second belt wheel through a belt, the second belt wheel is fixedly connected with the middle part of a screw rod, the left side and the right side of the screw rod are in threaded connection with the middle part of a nut, the upper end of the nut is rotatably connected with the lower end of a first supporting rod, the upper end of the first supporting rod is rotatably connected with the lower surface of the top plate, the middle part of elevating platform is equipped with the second groove of stepping down, and the rear side rotation connection rotor plate's of the second groove of stepping down lower part, and the upper end of second bracing piece is connected in the rotation of the left and right sides of rotor plate, and the upper surface left and right sides of roof is connected in the rotation of the lower extreme of second bracing piece.
As a further aspect of the present invention: and a display screen is arranged in the middle of the rotating plate.
As a further aspect of the present invention: the upper surface middle part of the cabinet body is equipped with the first groove of stepping down, and the middle part through connection roof in the first groove of stepping down.
As a further aspect of the present invention: the front and back both sides of the cabinet body are all rotated and are connected the left and right ends of lead screw.
As a further aspect of the present invention: and threads with opposite rotation directions are arranged on the left side and the right side of the screw rod.
As a further aspect of the present invention: and a sealing ring is arranged on the surface of the rotating plate, which is in contact with the lifting platform.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model is suitable for a lectern is used in classroom with receive and release structure drives reciprocating of roof through driving motor to make reciprocating of elevating platform, thereby adjust the height of whole device, and at the in-process of adjusting, the also corresponding start rotation of rotor plate realizes the expansion of display screen or accomodates, and the degree of automation of whole device is high, and it is convenient to use.
Drawings
Fig. 1 is a schematic structural view of a lecture table for a classroom having a folding and unfolding structure.
Fig. 2 is a schematic view of an internal structure of a lecture table for a classroom having a folding and unfolding structure.
Fig. 3 is a front view of fig. 2.
In the figure: the device comprises a base plate 1, a cabinet 2, a guide rod 3, a first abdicating groove 4, a lifting table 5, a top plate 6, a second support rod 7, a rotating plate 8, a display screen 9, a second abdicating groove 10, a first support rod 11, a nut 12, a screw rod 13, a second belt wheel 14, a belt 15, a first belt wheel 16 and a driving motor 17.
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.
Example one
Referring to fig. 1-3, a classroom teacher's desk with a retractable structure comprises a bottom plate 1, a cabinet 2 is disposed on the upper surface of the bottom plate 1, guide rods 3 are slidably connected to the left and right sides of the upper surface of the cabinet 2, an elevating platform 5 is fixedly connected to the upper ends of the guide rods 3, a driving motor 17 is disposed in the middle of the upper surface of the bottom plate 1, an output shaft of the driving motor 17 is fixedly connected to a first belt pulley 16, the first belt pulley 16 is connected to a second belt pulley 14 through a belt 15, the second belt pulley 14 is fixedly connected to the middle of a screw 13, the front and rear sides of the cabinet 2 are rotatably connected to the left and right ends of the screw 13, opposite-turning threads are disposed on the left and right sides of the screw 13, the left and right sides of the screw 13 are rotatably connected to the middle of a nut 12, the upper end of the nut 12 is rotatably connected to the lower end of a first support rod 11, the upper end of the first support rod 11 is rotatably connected to the lower surface of a top plate 6, a first abdicating groove 4 is disposed in the middle of the upper surface of the cabinet 2, the middle part through connection roof 6 of first groove 4 of stepping down, the middle part of elevating platform 5 is equipped with the second groove 10 of stepping down, and the rear side rotation in the second groove 10 of stepping down connects the lower part of rotor plate 8, and the middle part of rotor plate 8 is equipped with display screen 9, and the upper end of connecting second bracing piece 7 is rotated to the left and right sides of rotor plate 8, and the upper surface left and right sides of roof 6 is connected in the lower extreme rotation of second bracing piece 7.
Example two
The other contents of this embodiment are the same as those of the first embodiment, except that: and a sealing ring is arranged on the surface of the rotating plate 8, which is in contact with the lifting platform 5. Because the dust in the classroom is great, the inside electrical components that can lead to inside of dust entering device damages, consequently, in order to prevent this kind of condition, can set up the sealing washer at the face of rotor plate 8 with the lifter plate contact, it is inseparabler to make the sealed of rotor plate 8 and second groove 10 of stepping down through the sealing washer promptly, make the dust can't pass through rotor plate 8 and second and step down inside the clearance entering device between the groove 10, the service life of device has been improved, and because the sealing washer belongs to the accessory commonly used, consequently do not mark in the drawing.
In the implementation process of the utility model, the driving motor 17 is started, the output shaft of the driving motor 17 drives the first belt wheel 16 to rotate, the first belt wheel 16 drives the second belt wheel 14 to rotate through the belt 15, the second belt wheel 14 drives the screw rod 13 to rotate, because the left side and the right side of the screw rod 13 are provided with threads with opposite rotation directions, when the screw rod 13 rotates, the two nuts 12 move close to each other, thereby the top plate 6 is pushed to move upwards through the first supporting rod 11, when the top plate 6 moves upwards, the rotating plate 8 is firstly pushed to rotate through the second supporting rod 7, when the rotating plate 8 rotates to the position vertical to the lifting platform 5, the rotating plate 8 stops rotating, at the moment, the lifting platform 5 moves upwards along with the top plate 6, thereby the purpose of adjusting the whole height is realized, after the use requirement is highly satisfied, the driving motor 17 is stopped, at the moment, the whole device is opened, the device can be normally used, when the device is not needed, the driving motor 17 can be started reversely, so that the top plate 6 moves downwards, the lifting table 5 moves downwards, after the lifting table 5 falls on the upper part of the cabinet body 2, and the top plate 6 continues to descend, the rotating plate 8 rotates downwards until the rotating plate 8 rotates to be flush with the lifting table 5, at the moment, the rotating plate 8 blocks the second abdicating groove 10, the lifting table 5 blocks the first abdicating groove 4, the whole device finishes storage, and the driving motor 17 is stopped; the utility model is suitable for a lectern is used in classroom with receive and release structure drives reciprocating of roof 6 through driving motor 17 to make reciprocating of elevating platform 5, thereby adjust the height of whole device, and at the in-process of adjusting, the also corresponding start rotation of rotor plate 8 realizes the expansion of display screen 9 or accomodates, and the degree of automation of whole device is high, and it is convenient to use.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A teacher's desk with a retractable structure for a classroom comprises a bottom plate (1), wherein a cabinet body (2) is arranged on the upper surface of the bottom plate (1), the left side and the right side of the upper surface of the cabinet body (2) are slidably connected with guide rods (3), the upper end of each guide rod (3) is fixedly connected with a lifting platform (5), the teacher's desk is characterized in that a driving motor (17) is arranged in the middle of the upper surface of the bottom plate (1), an output shaft of the driving motor (17) is fixedly connected with a first belt wheel (16), the first belt wheel (16) is connected with a second belt wheel (14) through a belt (15), the second belt wheel (14) is fixedly connected with the middle of a screw rod (13), the left side and the right side of the screw rod (13) are in threaded connection with the middle of a nut (12), the upper end of the nut (12) is rotatably connected with the lower end of a first supporting rod (11), the upper end of the first supporting rod (11) is rotatably connected with the lower surface of a top plate (6), a second abdicating groove (10) is arranged in the middle of the lifting platform (5), the rear side of the second abdicating groove (10) is rotatably connected with the lower part of the rotating plate (8), the left side and the right side of the rotating plate (8) are rotatably connected with the upper end of the second supporting rod (7), and the lower end of the second supporting rod (7) is rotatably connected with the left side and the right side of the upper surface of the top plate (6).
2. The lecture table with a retractable structure for classrooms as claimed in claim 1, wherein the display screen (9) is provided in the middle of the rotating plate (8).
3. The teacher desk with the retractable structure for the classroom according to claim 1, wherein a first abdicating groove (4) is formed in the middle of the upper surface of the cabinet body (2), and a top plate (6) is connected to the middle of the first abdicating groove (4) in a penetrating manner.
4. The teacher's desk with the retractable structure for classroom according to claim 1 wherein the front and rear sides of the cabinet body (2) are rotatably connected with the left and right ends of the lead screw (13).
5. The classroom lecture table with folding and unfolding structure as claimed in claim 1 or 4, wherein the screw rod (13) is provided with threads with opposite turning directions on the left and right sides.
6. The teacher's desk with a retractable structure for classroom according to claim 1 wherein the surface of the rotating plate (8) contacting the elevating platform (5) is provided with a sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021720673.1U CN213785991U (en) | 2020-08-18 | 2020-08-18 | Teacher's desk with folding and unfolding structure for classroom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021720673.1U CN213785991U (en) | 2020-08-18 | 2020-08-18 | Teacher's desk with folding and unfolding structure for classroom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213785991U true CN213785991U (en) | 2021-07-27 |
Family
ID=76950965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021720673.1U Expired - Fee Related CN213785991U (en) | 2020-08-18 | 2020-08-18 | Teacher's desk with folding and unfolding structure for classroom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213785991U (en) |
-
2020
- 2020-08-18 CN CN202021720673.1U patent/CN213785991U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 |