CN215569275U

CN215569275U - Teaching instrument with lifting platform

Info

Publication number: CN215569275U
Application number: CN202122116517.5U
Authority: CN
Inventors: 傅飞丹; 李红光; 虞建刚
Original assignee: Zhejiang Qicai Intelligent Equipment Co ltd
Current assignee: Zhejiang Qicai Intelligent Equipment Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-01-18
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a teaching instrument with a lifting table, which comprises a base, wherein a supporting rod is fixedly connected to the position, close to one side, of the top of the base, sliding grooves are formed in the two sides of the supporting rod, a cavity is formed in the base, a fixing plate is fixedly connected to the position, close to one side, of the bottom in the base, and a first reciprocating motor and a second reciprocating motor are fixedly connected to the positions, close to the middle, of the top of the fixing plate respectively. This take teaching instrument of elevating platform through interlock gear, first lead screw, second lead screw, first movable block, second movable block and drive gear's design for this device has the function of automatic rising regulation, thereby lets the teacher when the height-adjusting, need not manually to adjust, and reduction that can be very big is because of the time that the height-adjusting was spent, for the user brings the facility, has improved the practicality of this device, has satisfied user's user demand.

Description

Teaching instrument with lifting platform

Technical Field

The utility model relates to the technical field of teaching, in particular to a teaching instrument with a lifting table.

Background

Teaching is a human-specific talent training activity consisting of teacher's teaching and student's learning. Through the activities, teachers purposefully, programmatically and organically guide students to learn and master cultural scientific knowledge and skills, and promote the improvement of the qualities of the students, so that the students become people required by the society.

Teaching instruments are used in chemical teaching. However, the existing teaching instrument does not have the function of a lifting platform, so that a teacher needs to manually adjust the height, the process of the teaching instrument occupies extremely long time, inconvenience is brought to the teacher, and the use requirement of a user cannot be met. Therefore, a teaching instrument with a lifting platform is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a teaching instrument with a lifting platform, and aims to solve the problems that the conventional teaching instrument does not have the function of the lifting platform, so that a teacher needs to manually adjust the height, the process of the teaching instrument greatly occupies time, inconvenience is brought to the teacher, and the use requirement of a user cannot be met.

In order to achieve the purpose, the utility model provides the following technical scheme: a teaching instrument with a lifting table comprises a base, wherein a supporting rod is fixedly connected to the position of one side of the top of the base, sliding grooves are formed in two sides of the supporting rod, a cavity is formed in the base, a fixing plate is fixedly connected to the position of one side of the bottom of the base, a first reciprocating motor and a second reciprocating motor are fixedly connected to the position of the middle of the top of the fixing plate, welding rods are fixedly connected to the positions of two sides of the top of the fixing plate, one side of the opposite sides of the two welding rods is movably connected with a linkage gear through a rotating shaft, a first lead screw is fixedly connected to the position of one side of the top of the inside of the supporting rod, a second lead screw is fixedly connected to the position of the other side of the top of the inside of the supporting rod, and the bottoms of the first lead screw and the second lead screw sequentially penetrate through the supporting rod and the base and extend to the inside of the base, the equal fixedly connected with driven gear in bottom of first lead screw and second lead screw, driven gear and interlock gear engagement, top position by of branch rear surface is provided with first movable block, bottom position by of branch rear surface is provided with the second movable block, the first thread bush of bottom position threaded connection pole by of first lead screw, the first welded block of one side fixedly connected with of first thread bush, the one end of first welded block run through the spout and with second movable block fixed connection, top position threaded connection by of second lead screw has the second thread bush, one side fixedly connected with second welded block of second thread bush, the one end of second welded block run through the spout and with first movable block fixed connection.

Preferably, the models of the first reciprocating motor and the second reciprocating motor are both 42BYGH40, and the first reciprocating motor and the second reciprocating motor are both electrically connected with an external power supply through power lines.

Preferably, the inner wall of the first movable block is in contact with the support rod, and the inner wall of the second movable block is in contact with the support rod.

Preferably, the first reciprocating motor and the second reciprocating motor are fixedly connected with a transmission gear through output ends arranged at the tops of the first reciprocating motor and the second reciprocating motor, and the transmission gear is meshed with the linkage gear.

Preferably, one side of the first movable block and one side of the second movable block are both fixedly connected with a ring support, and the inside of the ring support is designed to be of a hollow structure.

Preferably, the bottom of the base is fixedly connected with four anti-slip blocks, and the four anti-slip blocks are respectively positioned at the positions close to the four corners of the bottom of the base.

Compared with the prior art, the utility model has the beneficial effects that: this take teaching instrument of elevating platform through interlock gear, first lead screw, second lead screw, first movable block, second movable block and drive gear's design for this device has the function of automatic rising regulation, thereby lets the teacher when the height-adjusting, need not manually to adjust, and reduction that can be very big is because of the time that the height-adjusting was spent, for the user brings the facility, has improved the practicality of this device, has satisfied user's user demand.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is an enlarged view of part A of FIG. 2;

fig. 4 is a partially enlarged schematic view of B in fig. 2.

In the figure: 1. a base; 2. a strut; 3. a chute; 4. a fixing plate; 5. a first reciprocating motor; 6. a second reciprocating motor; 7. welding a rod; 8. a linkage gear; 9. a first lead screw; 10. a second lead screw; 11. a driven gear; 12. a first movable block; 13. a second movable block; 14. a first threaded sleeve; 15. a first welding block; 16. a second threaded sleeve; 17. a second welding block; 18. a transmission gear; 19. a ring support; 20. and (4) anti-skid blocks.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a teaching instrument with a lifting platform comprises a base 1, a supporting rod 2 is fixedly connected to one side position of the top of the base 1, sliding grooves 3 are formed in two sides of the supporting rod 2, a cavity is formed in the base 1, a fixing plate 4 is fixedly connected to one side position of the bottom of the base 1, a first reciprocating motor 5 and a second reciprocating motor 6 are fixedly connected to the middle position of the top of the fixing plate 4 respectively, welding rods 7 are fixedly connected to two sides of the top of the fixing plate 4, a linkage gear 8 is movably connected to one side opposite to the two welding rods 7 through a rotating shaft, a first lead screw 9 is fixedly connected to one side position of the top of the inside of the supporting rod 2, a second lead screw 10 is fixedly connected to the other side position of the top of the inside of the supporting rod 2, the bottoms of the first lead screw 9 and the second lead screw 10 sequentially penetrate through the supporting rod 2 and the base 1 and extend to the inside of the base 1, the equal fixedly connected with driven gear 11 in bottom of first lead screw 9 and second lead screw 10, driven gear 11 and the meshing of

interlock gear

8, 2 rear surface of branch are provided with first movable block 12 by the top position, 2 rear surface of branch are provided with the second movable block 13 by the bottom position, the first thread bush 14 of the bottom position threaded connection pole that leans on of first lead screw 9, the first welded block 15 of one side fixedly connected with of first thread bush 14, the one end of first welded block 15 runs through spout 3 and with second movable block 13 fixed connection, the top position threaded connection that leans on of second lead screw 10 has second thread bush 16, one side fixedly connected with second welded block 17 of second thread bush 16, the one end of second welded block 17 runs through spout 3 and with first movable block 12 fixed connection.

In the utility model: the models of the first reciprocating motor 5 and the second reciprocating motor 6 are 42BYGH40, and the first reciprocating motor 5 and the second reciprocating motor 6 are electrically connected with an external power supply through power lines; which is a common connection means and is not shown in the figure.

In the utility model: the inner wall of the first movable block 12 is contacted with the support rod 2, and the inner wall of the second movable block 13 is contacted with the support rod 2; the first movable block 12 and the second movable block 13 are provided to move the ring holder 19.

In the utility model: the first reciprocating motor 5 and the second reciprocating motor 6 are both fixedly connected with a transmission gear 18 through output ends arranged at the tops of the first reciprocating motor and the second reciprocating motor, and the transmission gear 18 is meshed with the linkage gear 8; the driving gear 8 can be driven to rotate by the transmission gear 18.

In the utility model: one sides of the first movable block 12 and the second movable block 13 are both fixedly connected with a ring support 19, and the interior of the ring support 19 adopts a hollow structure design; the ring support 19 can be used for supporting the experiment flask.

In the utility model: the bottom of the base 1 is fixedly connected with four anti-skidding blocks 20, and the four anti-skidding blocks 20 are respectively positioned at the positions close to the four corners of the bottom of the base 1; through the setting of non slipping spur 20 for this device has good non slipping performance.

The working principle is as follows: when a user needs to adjust the distance between the two ring supports 19, the user starts the first reciprocating motor 5 to rotate to drive the transmission gear 18 to rotate, the transmission gear 18 rotates to drive the linkage gear 8 to rotate, the linkage gear 8 rotates to drive the driven gear 11 to rotate, the driven gear 11 rotates to drive the first lead screw 9 to rotate, the first lead screw 9 rotates to drive the first threaded sleeve 14 to move, the first threaded sleeve 14 moves to drive the first welding block 15 to move, the first welding block 15 moves to drive the second movable block 13 to move, the second movable block 13 moves to drive the ring support 19 arranged at the position close to the bottom of the support rod 2 to move, when the user needs to adjust the other ring support 19, the user starts the second reciprocating motor 6 to rotate to drive the transmission gear 18 to rotate, the linkage gear 8 rotates through the rotation of the transmission gear 18, and the driven gear 11 rotates through the rotation of the linkage gear 8, the driven gear 11 rotates the second screw rod 10 to rotate, the second screw rod 10 rotates to drive the second threaded sleeve 16 to move, the second threaded sleeve 16 moves to drive the second welding block 17 to move, the second welding block 17 moves to drive the first movable block 12 to move, and the first movable block 12 moves to drive the support rod 2 to move close to the ring support 19 arranged at the top position.

In summary, the following steps: this take teaching instrument of elevating platform, through interlock gear 8, first lead screw 9, second lead screw 10, first movable block 12, second movable block 13 and drive gear 18's design, make this device have automatic lift adjustment's function, thereby let the teacher when height-adjusting, need not manually to adjust, the time that can be very big reduction spent because of height-adjusting, for the user brings the facility, the practicality of this device has been improved, user's user demand has been satisfied, thereby solved current teaching instrument and not have the function of elevating platform, thereby lead to the teacher to need manual regulation when height-adjusting, its process is very occupation time, bring inconvenience for the teacher, can not satisfy the problem of user's user demand.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components appearing in the paper are all electrically connected with an external main controller and 220V mains supply, the main controller can be a servo motor, a contact sensor, a processor, an alarm module, a driving module and other conventional known devices for controlling, standard parts used in the application document can be purchased from the market, the specific connection mode of each part is connected by conventional means such as mature bolts, rivets and welding in the prior art, machines, parts and devices are all of conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that detailed description is not given.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take teaching instrument of elevating platform, includes base (1), its characterized in that: the device is characterized in that a supporting rod (2) is fixedly connected to the position of one side of the top of the base (1), sliding grooves (3) are formed in two sides of the supporting rod (2), a cavity is formed in the base (1), a fixing plate (4) is fixedly connected to the position of one side of the bottom of the base (1), a first reciprocating motor (5) and a second reciprocating motor (6) are respectively and fixedly connected to the middle position of the top of the fixing plate (4), welding rods (7) are respectively and fixedly connected to the positions of two sides of the top of the fixing plate (4), linkage gears (8) are respectively and movably connected to one side of the opposite to the two welding rods (7) through rotating shafts, a first lead screw (9) is fixedly connected to the position of one side of the top of the inside of the supporting rod (2), and a second lead screw (10) is fixedly connected to the position of the other side of the top of the inside of the supporting rod (2), the bottom of the first screw rod (9) and the bottom of the second screw rod (10) sequentially penetrate through the supporting rod (2) and the base (1) and extend to the inside of the base (1), a driven gear (11) is fixedly connected to the bottom of the first screw rod (9) and the bottom of the second screw rod (10), the driven gear (11) is meshed with the linkage gear (8), a first movable block (12) is arranged on the back surface of the supporting rod (2) close to the top, a second movable block (13) is arranged on the back surface of the supporting rod (2) close to the bottom, a threaded connecting rod first threaded sleeve (14) is arranged on the first screw rod (9) close to the bottom, a first welding block (15) is fixedly connected to one side of the first threaded sleeve (14), one end of the first welding block (15) penetrates through the sliding groove (3) and is fixedly connected with the second movable block (13), and a second threaded sleeve (16) is connected to the second screw rod (10) close to the top, one side fixedly connected with second welding piece (17) of second thread bush (16), the one end of second welding piece (17) runs through spout (3) and with first movable block (12) fixed connection.

2. The teaching instrument with the lifting platform as claimed in claim 1, wherein: the type that first reciprocating motor (5) and second reciprocating motor (6) adopted is 42BYGH40, first reciprocating motor (5) and second reciprocating motor (6) all pass through power cord and external power source electric connection.

3. The teaching instrument with the lifting platform as claimed in claim 1, wherein: the inner wall of the first movable block (12) is in contact with the support rod (2), and the inner wall of the second movable block (13) is in contact with the support rod (2).

4. The teaching instrument with the lifting platform as claimed in claim 1, wherein: the first reciprocating motor (5) and the second reciprocating motor (6) are fixedly connected with a transmission gear (18) through output ends arranged at the tops of the first reciprocating motor and the second reciprocating motor, and the transmission gear (18) is meshed with the linkage gear (8).

5. The teaching instrument with the lifting platform as claimed in claim 1, wherein: one side of the first movable block (12) and one side of the second movable block (13) are both fixedly connected with a ring support (19), and the interior of the ring support (19) adopts a hollow structure design.

6. The teaching instrument with the lifting platform as claimed in claim 1, wherein: the bottom of the base (1) is fixedly connected with four anti-skidding blocks (20), and the four anti-skidding blocks (20) are respectively positioned at the positions close to the four corners of the bottom of the base (1).