Anti-cheating table capable of automatically lifting
Technical Field
The utility model relates to a teaching articles for use field specifically is an automatic anti-cheating table that goes up and down.
Background
The desk is used by students, starting from eight-side desks in the earliest school hall, desks used for schools and school hall learning are unified into the desk, the desk is divided into a No. 4 label and a No. 5 label which are respectively used by students in junior middle school grades and primary school grades, and the No. 4 desk and chair are suggested to be mainly used by the students in the junior middle school grades, and the height of the desktop of the No. 4 desk is 67 cm.
The existing desk has certain defects when in use, the desktop of the existing desk is mainly made of wood boards, so that students can cheat through the spacious position at the bottom end of the desktop, and the cheating behaviors of the students cannot be conveniently found by teachers when invigilates due to the shielding of the wood boards, so that the existing desk is inconvenient and brings certain influence in the using process. Accordingly, those skilled in the art have provided an automatically liftable anti-cheating table to solve the problems set forth in the above background art.
Disclosure of Invention
An object of the utility model is to provide an automatic anti-cheating table that goes up and down 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:
the utility model provides an automatic anti-cheating table that goes up and down, includes the backup pad, there is glass desktop on one side of the interior top of backup pad fixed mounting, top one side of glass desktop is provided with wooden desktop, outer end one side fixed mounting of backup pad has elevating system, one side fixed mounting that the inside of backup pad is close to the glass desktop has the diaphragm, inside one side fixed mounting of wooden desktop has the first gear of multiunit, one side fixed mounting that elevating system's inner wall is close to wooden desktop has travel switch, inside one side of elevating system is provided with the multiunit lead screw.
As a further aspect of the present invention: a thrust bearing is fixedly mounted on one side, corresponding to the screw rod, of the inner wall of the lifting mechanism, the lifting mechanism is connected with the screw rod through the thrust bearing, and a second gear is meshed on one side of the outer wall of the screw rod.
As a further aspect of the present invention: one side of the inside of the lifting mechanism, which is close to the screw rod, is fixedly provided with a first motor, one side of the output end of the first motor is fixedly provided with a third gear, and the second gear is meshed with the third gear.
As a further aspect of the present invention: the outer surface both sides of wooden desktop all fixed mounting have the axis of rotation, the sliding tray has been seted up to one side of the inside corresponding axis of rotation of elevating system, the outer diameter ratio sliding tray's of axis of rotation internal diameter is slightly littleer, and wooden desktop passes through axis of rotation and elevating system sliding connection.
As a further aspect of the present invention: one side that the outer wall of lead screw is close to the wooden desktop is provided with the elevator, one side sculpture that the inside of elevator corresponds the lead screw has the thread groove, and the elevator passes through the thread groove and is connected with the lead screw meshing, outer end one side fixed mounting of elevator has the connecting plate.
As a further aspect of the present invention: a second motor is embedded in one side of the inside of the connecting plate, a fourth gear is fixedly mounted at one side, corresponding to the first gear, of the output end of the second motor, and the first gear is meshed with the fourth gear.
As a further aspect of the present invention: a controller is fixedly mounted on one side of the inner wall of the supporting plate, and a soft wool layer is arranged on one side of the bottom end of the wooden table top.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the glass desktop that sets up, divide into glass desktop and wooden desktop with the desktop of desk now, when meeting needs the examination, the user then can drive first gear and fourth gear rotation through controller drive second motor, thereby can drive the wooden desktop and rotate upright, drive second gear and third gear rotation through first motor, thereby can drive the wooden desktop through the lead screw and go up and down, thereby can expose the glass desktop, when using the glass desktop to take an examination, teacher then can simple swift discovery student's the action of cheating, thereby can effectually prevent student's cheating, improve the quality of examination, convenient to use personnel use, better for traditional mode.
2. Through the formation switch that sets up, fold for convenient collection that the wooden desktop can be done at one go, when the second motor drives the wooden desktop upright, when the wooden desktop is met and is formed the switch, then can switch first motor and drive the lead screw and rotate to realize folding of wooden desktop, thereby can improve the practicality of integrated device, the user of being convenient for uses, better for traditional mode.
Drawings
FIG. 1 is a schematic structural view of an automatically liftable anti-cheating table;
FIG. 2 is a schematic view of the internal structure of a lifting mechanism in an automatically lifting anti-cheating table;
fig. 3 is a partially enlarged view of a portion a in fig. 2.
In the figure: 1. a support plate; 2. a glass tabletop; 3. a wooden table top; 4. a lifting mechanism; 5. a transverse plate; 6. a first gear; 7. a travel switch; 8. a lead screw; 9. a thrust bearing; 10. a second gear; 11. a first motor; 12. a third gear; 13. a rotating shaft; 14. a sliding groove; 15. a lifting block; 16. a connecting plate; 17. a second motor; 18. a fourth gear.
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.
Please refer to fig. 1-3, in an embodiment of the present invention, an automatic lifting anti-cheating table includes a supporting plate 1, a glass tabletop 2 is fixedly installed on one side of an inner top of the supporting plate 1, a wooden tabletop 3 is disposed on one side of a top end of the glass tabletop 2, a lifting mechanism 4 is fixedly installed on one side of an outer end of the supporting plate 1, a transverse plate 5 is fixedly installed on one side of the inside of the supporting plate 1 close to the glass tabletop 2, a plurality of sets of first gears 6 are fixedly installed on one side of the inside of the wooden tabletop 3, a travel switch 7 (model: LL-W2-08B) is fixedly installed on one side of an inner wall of the lifting mechanism 4 close to the wooden tabletop 3, and a plurality of sets.
One side fixed mounting that elevating system 4's inner wall corresponds lead screw 8 has footstep bearing 9, and elevating system 4 passes through footstep bearing 9 to be connected with lead screw 8, and the meshing of outer wall one side of lead screw 8 has second gear 10 to make integrated device can drive lead screw 8 through footstep bearing 9 and carry out stable rotation.
A first motor 11 (model: TSDA-C11A/SDGA-01C31AB) is fixedly installed on one side of the inner portion of the lifting mechanism 4 close to the screw 8, a third gear 12 is fixedly installed on one side of an output end of the first motor 11, and the second gear 10 is meshed with the third gear 12, so that the whole device can drive the screw 8 to rotate through the second gear 10 and the third gear 12.
The equal fixed mounting in surface both sides of wooden desktop 3 has axis of rotation 13, and sliding tray 14 has been seted up to one side that elevating system 4's inside corresponds axis of rotation 13, and the outer diameter ratio sliding tray 14's of axis of rotation 13 internal diameter is slightly littleer, and wooden desktop 3 passes through axis of rotation 13 and elevating system 4 sliding connection to make the integrated device can drive the stable up-and-down slip use of wooden desktop 3 through axis of rotation 13 and sliding tray 14.
One side that the outer wall of lead screw 8 is close to wooden desktop 3 is provided with elevator 15, and one side sculpture that the inside of elevator 15 corresponds lead screw 8 has the thread groove, and elevator 15 is connected through the thread groove and the meshing of lead screw 8, and elevator 15's outer end one side fixed mounting has connecting plate 16 to make integrated device can drive elevator 15 through lead screw 8 and carry out the oscilaltion, thereby can drive wooden desktop 3 and collect into elevating system 4.
A second motor 17 (model: RJ090-E03520) is embedded in one side of the interior of the connecting plate 16, a fourth gear 18 is fixedly mounted at one side of the output end of the second motor 17 corresponding to the first gear 6, and the first gear 6 and the fourth gear 18 are engaged with each other, so that the second motor 17 can drive the wood tabletop 3 to rotate and stand upright for use through the first gear 6 and the fourth gear 18.
The controller is fixedly mounted on one side of the inner wall of the supporting plate 1, and the soft wool layer is arranged on one side of the bottom end of the wooden desktop 3, so that the whole device can protect the glass desktop 2 from being scratched through the soft wool layer.
The utility model discloses a theory of operation is: the utility model relates to an automatic anti-cheating table that goes up and down, place the backup pad 1 of the device on the ground, realize the stability of the whole device through the diaphragm 5, when needing to be examined and used, then can drive the second motor 17 through the controller to drive the fourth gear 18 and rotate with the first gear 6, thus can drive the wooden tabletop 3 to rotate through the second motor 17 and erect, when the wooden tabletop 3 touches the travel switch 7 that the elevating system 4 sets up, then can drive the second gear 10 and the third gear 12 to rotate through the first motor 11, thus can drive the lead screw 8 to rotate, thus can drive the connecting plate 16 through the elevator 15 to carry out the collection of the wooden tabletop 3 into the elevating system 4, thus can expose the glass tabletop 2, thus can facilitate the teacher to supervise, conveniently check whether the student has the cheating action, facilitate the use of the user, is relatively practical.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.