CN214449798U

CN214449798U - Comprehensive teaching device for physical chemistry courses

Info

Publication number: CN214449798U
Application number: CN202120149080.2U
Authority: CN
Inventors: 辛景凡; 邢欢; 吴艳茹
Original assignee: Chifeng University
Current assignee: Chifeng University
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-10-22
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a comprehensive teaching device for physical chemistry course, including support frame and blackboard, the inside intermediate position department of support frame is provided with the blackboard, the both ends of support frame one side all are provided with fixed knot and construct, fixed knot constructs including supporting shoe, fixed block, screw thread chamber and threaded rod. The utility model discloses a staff aims at the fixed block with the supporting shoe of support frame one side, then carry out the block with it, the threaded rod rotates, because the screw thread chamber is threaded connection with the threaded rod, consequently under the effect in screw thread chamber, the threaded rod can take place to remove, the threaded rod rotates the inside that the threaded rod got into the supporting shoe until the threaded rod, and the outside roof laminating of threaded rod is in the outside of supporting shoe, the threaded rod can't rotate this moment, can accomplish the installation, the stability of installation can prevent mr when teaching, the blackboard takes place to rock, make the student can be more clear watch the knowledge point on the blackboard, thereby stability is improved.

Description

Comprehensive teaching device for physical chemistry courses

Technical Field

The utility model relates to a teaching technical field specifically is a synthesize teaching device for physical chemistry course.

Background

With the continuous development of society and the continuous development of scientific level, most of contemporary schools use advanced teaching devices to assist teaching, the blackboard is one of the important components of the teaching devices, the physico-chemistry is the most concerned course of science students and teachers, and the corresponding teaching devices are needed to be used for improving the teaching quality of the physico-chemistry courses.

The devices on the market are various and can basically meet the use requirements of people, but certain problems still exist: when the traditional device is used, the blackboard shakes due to unstable fixation when a teacher speaks, so that the teaching quality is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a comprehensive teaching device for physical chemistry course to propose fixed unstable problem in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a comprehensive teaching device for physical chemistry course, includes support frame and blackboard, the inside intermediate position department of support frame is provided with the blackboard, the both ends of support frame one side all are provided with fixed knot and construct, fixed knot constructs including supporting shoe, fixed block, screw thread chamber and threaded rod, the fixed block all sets up in the both ends of support frame one side, the supporting shoe is fixed in on the wall, the supporting shoe is inserted and is located the inside of fixed block, the screw thread chamber has all been seted up at the both ends of fixed block, the inside in screw thread chamber is inserted and is equipped with the threaded rod, and the one end of threaded rod runs through the outer wall that runs through in the supporting shoe and extend to inside.

Preferably, the both sides of support frame all are provided with the clearance structure, the clearance structure includes that slide bar, movable block, clearance wipe and the activity chamber, the both sides of support frame are all seted up in the activity chamber, the intermediate position department of activity intracavity portion is provided with the slide bar, the outside cover of slide bar is equipped with the movable block, one side of movable block is fixed with the clearance and wipes.

Preferably, the outer diameter of the supporting block is smaller than the inner diameter of the fixing block, and the supporting block and the fixing block form a clamping structure.

Preferably, the inside of screw thread chamber is provided with the internal thread, the outside of threaded rod is provided with the external screw thread, screw thread chamber and threaded rod constitute threaded connection.

Preferably, the both ends of blackboard all are provided with the dismouting structure, the dismouting structure includes slider, bolt and spout, the slider all sets up in the both ends of blackboard, the inside both ends of support frame are all seted up to the spout, the inside of spout is inserted and is equipped with the slider, the inside both ends of slider are all inserted and are equipped with the bolt, and the one end of bolt runs through the outside that the inner wall in the spout extends to the support frame.

Preferably, the cross section of the sliding rod is smaller than that of the movable block, and the sliding rod and the movable block form sliding connection.

Compared with the prior art, the beneficial effects of the utility model are that: the comprehensive teaching device for the physical chemistry courses not only realizes the fixation and the stability of the blackboard so that the blackboard cannot shake to influence the teaching quality, but also realizes that the blackboard eraser is fixed on the blackboard, so that the blackboard is convenient to clean, the problem of blackboard loss is solved, and the blackboard is convenient to replace after being deformed, and time and labor are saved;

(1) the support block on one side of the support frame is aligned to the fixed block by a worker, then the support block is clamped, the threaded rod is rotated, and the threaded cavity is in threaded connection with the threaded rod, so that the threaded rod can move under the action of the threaded cavity, the threaded rod is rotated until the threaded rod enters the inside of the support block, a top plate outside the threaded rod is attached to the outside of the support block, the threaded rod cannot rotate at the moment, the installation can be completed, the installation stability can prevent a teacher from shaking the blackboard during teaching, so that students can more clearly view knowledge points on the blackboard, and the stability is improved;

(2) when a teacher needs to wipe characters on the blackboard, only force is needed to act on the cleaning wiper, the cleaning wiper slides up and down, the movable blocks on the two sides of the cleaning wiper move outside the sliding rod, so that the cleaning wiper can move more conveniently, the cleaning wiper is fixed on the supporting frame, the blackboard is convenient to clean, the cleaning wiper can be prevented from being lost, the teaching time of the teacher is wasted, and the convenience is improved;

(3) the student of transfer skin is not fatigued to present student, chases after to beat the time of giving an alarm in the classroom, probably because of hitting the blackboard carelessly, when changing the blackboard, only need extract the bolt, drag the blackboard, follow the inside roll-off of spout with the slider, go on to the change of blackboard can, during the installation, aim at the spout at the inside both ends of support frame with the slider at blackboard both ends, exert thrust to the blackboard, with the inside of slider roll-off spout, utilize the bolt to fix the slider can to the practicality has been improved.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the front cross-sectional structure of the detachable structure of the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. a support frame; 2. a fixed structure; 201. a support block; 202. a fixed block; 203. a threaded cavity; 204. a threaded rod; 3. a blackboard; 4. a disassembly and assembly structure; 401. a slider; 402. a bolt; 403. a chute; 5. cleaning the structure; 501. a slide bar; 502. a movable block; 503. cleaning and wiping; 504. a movable cavity.

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 an embodiment: a comprehensive teaching device for physical and chemical courses comprises a support frame 1 and a blackboard 3, the blackboard 3 is arranged in the middle of the inside of the support frame 1, fixing structures 2 are arranged at two ends of one side of the support frame 1 respectively, each fixing structure 2 comprises a supporting block 201, a fixing block 202, a threaded cavity 203 and a threaded rod 204, the fixing blocks 202 are arranged at two ends of one side of the support frame 1 respectively, the supporting blocks 201 are fixed on the wall surface, the supporting blocks 201 are inserted in the fixing blocks 202, the threaded cavities 203 are formed at two ends of the fixing blocks 202 respectively, the threaded rods 204 are inserted in the threaded cavities 203, and one ends of the threaded rods 204 penetrate through the outer wall of the supporting blocks 201 and extend to the inside;

the outer diameter of the supporting block 201 is smaller than the inner diameter of the fixing block 202, and the supporting block 201 and the fixing block 202 form a clamping structure;

an internal thread is arranged inside the threaded cavity 203, an external thread is arranged outside the threaded rod 204, and the threaded cavity 203 and the threaded rod 204 form a threaded connection;

the support block 201 on one side of the support frame 1 is aligned to the fixed block 202 through a worker, then the support block is clamped, the threaded rod 204 is rotated, the threaded cavity 203 is in threaded connection with the threaded rod 204, the threaded rod 204 can move under the action of the threaded cavity 203, the threaded rod 204 is rotated until the threaded rod 204 enters the support block 201, a top plate outside the threaded rod 204 is attached to the outside of the support block 201, at the moment, the threaded rod 204 cannot rotate, installation can be completed, installation stability can prevent a teacher from shaking the blackboard 3 during teaching, and a student can watch knowledge points on the blackboard 3 more clearly;

the cleaning structure 5 is arranged on each of two sides of the support frame 1, each cleaning structure 5 comprises a sliding rod 501, a movable block 502, a cleaning wiper 503 and a movable cavity 504, the movable cavities 504 are arranged on two sides of the support frame 1, the sliding rod 501 is arranged in the middle of the inner part of each movable cavity 504, the movable block 502 is sleeved outside each sliding rod 501, and the cleaning wiper 503 is fixed on one side of each movable block 502;

the cross section of the sliding rod 501 is smaller than that of the movable block 502, and the sliding rod 501 and the movable block 502 form sliding connection;

when a teacher needs to wipe the characters on the blackboard 3, only force is needed to act on the cleaning wiper 503, the cleaning wiper 503 slides up and down, the movable blocks 502 on the two sides of the cleaning wiper 503 move outside the sliding rod 501, so that the cleaning wiper 503 can move more conveniently, the cleaning wiper 503 is fixed on the support frame 1, the blackboard 3 can be cleaned conveniently, the cleaning wiper 503 can be prevented from being lost, and the teaching time of the teacher is wasted;

the two ends of the blackboard 3 are respectively provided with a dismounting structure 4, each dismounting structure 4 comprises a sliding block 401, a bolt 402 and a sliding groove 403, the sliding blocks 401 are respectively arranged at the two ends of the blackboard 3, the sliding grooves 403 are respectively arranged at the two ends inside the support frame 1, the sliding blocks 401 are inserted inside the sliding grooves 403, the bolts 402 are respectively inserted at the two ends inside the sliding blocks 401, and one end of each bolt 402 penetrates through the inner wall of each sliding groove 403 and extends to the outside of the support frame 1;

the student of transferring the skin that present student does not lack, when chasing after and beating the time of an alarm in the classroom, probably because of hitting blackboard 3 carelessly, when changing blackboard 3, only need to extract bolt 402, drag blackboard 3, follow the inside roll-off of spout 403 with slider 401, change blackboard 3 can, during the installation, aim at the spout 403 at the inside both ends of support frame 1 with the slider 401 at blackboard 3 both ends, exert thrust to blackboard 3, slide into the inside of spout 403 with slider 401, utilize bolt 402 to fix slider 401 can.

The working principle is as follows: firstly, a worker aligns the supporting block 201 on one side of the supporting frame 1 with the fixing block 202, then clamps the supporting block 202, rotates the threaded rod 204, and rotates the threaded rod 204, because the threaded cavity 203 is in threaded connection with the threaded rod 204, the threaded rod 204 can move under the action of the threaded cavity 203, the threaded rod 204 is rotated until the threaded rod 204 enters the supporting block 201, and a top plate outside the threaded rod 204 is attached to the outside of the supporting block 201, at the moment, the threaded rod 204 cannot rotate, so that the installation can be completed, the installation stability can prevent a teacher from shaking the blackboard 3 during teaching, so that students can more clearly watch knowledge points on the blackboard 3, and the teaching quality is improved;

then, when a teacher needs to wipe the fonts on the blackboard 3, only force needs to be applied to the cleaning wiper 503, the cleaning wiper 503 slides up and down, the movable blocks 502 on the two sides of the cleaning wiper 503 move outside the sliding rod 501, so that the cleaning wiper 503 can move more conveniently, the cleaning wiper 503 is fixed on the support frame 1, the blackboard 3 can be cleaned conveniently, the cleaning wiper 503 can be prevented from being lost, and the teaching time of the teacher is wasted;

finally, the current students do not lack students who adjust the skins, when the students chase after the class, the blackboard 3 can be broken due to carelessness, when the blackboard 3 is replaced, only the bolt 402 needs to be pulled out, the blackboard 3 is pulled, the sliding block 401 slides out from the inside of the sliding groove 403, the blackboard 3 can be replaced, during installation, the sliding blocks 401 at the two ends of the blackboard 3 are aligned to the sliding grooves 403 at the two ends inside the support frame 1, thrust is applied to the blackboard 3, the sliding block 401 slides into the inside of the sliding groove 403, and the sliding block 401 is fixed by the bolt 402.

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

1. The utility model provides a comprehensive teaching device for physical chemistry course, includes support frame (1) and blackboard (3), its characterized in that: the blackboard eraser is characterized in that a blackboard (3) is arranged at the middle position inside the support frame (1), fixing structures (2) are arranged at two ends of one side of the support frame (1), each fixing structure (2) comprises a supporting block (201), a fixing block (202), a threaded cavity (203) and a threaded rod (204), the fixing blocks (202) are arranged at two ends of one side of the support frame (1), the supporting blocks (201) are fixed on the wall surface, the supporting blocks (201) are inserted in the fixing blocks (202), the threaded cavities (203) are arranged at two ends of the fixing blocks (202), the threaded rods (204) are inserted in the threaded cavities (203), and one ends of the threaded rods (204) extend to the inside through the outer walls of the supporting blocks (201).

2. The integrated teaching device for physicochemical lessons of claim 1, wherein: the both sides of support frame (1) all are provided with clearance structure (5), clearance structure (5) are including slide bar (501), movable block (502), clearance wipe (503) and activity chamber (504), the both sides of support frame (1) are all seted up in activity chamber (504), the inside intermediate position department in activity chamber (504) is provided with slide bar (501), the outside cover of slide bar (501) is equipped with movable block (502), one side of movable block (502) is fixed with the clearance and wipes (503).

3. The integrated teaching device for physicochemical lessons of claim 1, wherein: the outer diameter of the supporting block (201) is smaller than the inner diameter of the fixing block (202), and the supporting block (201) and the fixing block (202) form a clamping structure.

4. The integrated teaching device for physicochemical lessons of claim 1, wherein: the internal thread is arranged in the threaded cavity (203), the external thread is arranged on the external part of the threaded rod (204), and the threaded cavity (203) and the threaded rod (204) form threaded connection.

5. The integrated teaching device for physicochemical lessons of claim 1, wherein: the both ends of blackboard (3) all are provided with dismouting structure (4), dismouting structure (4) include slider (401), bolt (402) and spout (403), slider (401) all set up in the both ends of blackboard (3), spout (403) are all seted up in the inside both ends of support frame (1), the inside of spout (403) is inserted and is equipped with slider (401), the inside both ends of slider (401) are all inserted and are equipped with bolt (402), and the one end of bolt (402) runs through the outside that the inner wall in spout (403) extended to support frame (1).

6. The integrated teaching device for physicochemical lessons of claim 2, wherein: the cross section of the sliding rod (501) is smaller than that of the movable block (502), and the sliding rod (501) and the movable block (502) are in sliding connection.