CN109064854B - Experiment table for physics experiment teaching - Google Patents
Experiment table for physics experiment teaching Download PDFInfo
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- CN109064854B CN109064854B CN201811097153.7A CN201811097153A CN109064854B CN 109064854 B CN109064854 B CN 109064854B CN 201811097153 A CN201811097153 A CN 201811097153A CN 109064854 B CN109064854 B CN 109064854B
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- electric box
- experiment
- rotating shaft
- box
- straight groove
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/02—Laboratory benches or tables; Fittings therefor
Abstract
The invention relates to a physical experiment teaching experiment table, which comprises a table frame formed by connecting two supporting bodies which are arranged in parallel in a front-back direction and a table plate arranged above the two supporting bodies, wherein an electric box arranged between the two supporting bodies is arranged on the table frame, the electric box is arranged on the right side of the table plate, and the upper part of the electric box is arranged above the table plate; the support body is provided with a sliding block which can vertically slide on the support body, the sliding block is provided with a horizontal straight groove, the front end surface and the rear end surface of the electric box are respectively provided with a rotating shaft which is longitudinally arranged and mutually coaxial, and the rotating shaft is arranged in the straight groove; the straight groove is internally provided with a first thrust spring which is arranged horizontally on the right side of the rotating shaft, and the supporting body is provided with a plurality of second thrust springs which are arranged vertically below the sliding block. The experiment table switching device is ingenious in structure and convenient and fast to operate, switching of the experiment table can be completed only by pressing and rotating the electric box, the utilization rate of teaching resources is greatly improved, and the teaching cost is reduced.
Description
The patent application is divisional application, the application number of a parent application is 2017108199464, and the application date of the parent application is 09 and 13 days in 2017.
Technical Field
The invention relates to the technical field of physical teaching aids, in particular to a physical experiment teaching experiment table.
Background
In the process of physical teaching, in order to make teaching work more intuitive and vivid and be beneficial to students to understand, some physical experiments are usually performed in combination with teaching progress, common physical experiments are divided into a plurality of directions of mechanics, optics, electricity, fluid and the like, experimental instruments and equipment required by the experiments in each direction are different, and the environments required by the experiments are different, meanwhile, the experimental instruments and equipment required by each experimental direction have no universality, and when the instruments and the equipment required by different experimental directions are mixed for use, some safety factors need to be considered, if the instrument precision required by the electrical experiment is higher, the instrument is prevented from being damaged or destroyed by experimental equipment with heavier weight required in similar mechanical experiments, or prevent some liquid from entering circuit components and parts in the fluid experiment to cause short circuit, or prevent some liquid with corrosiveness from causing permanent damage to precision instruments, etc. Therefore, in practical teaching, a plurality of laboratories are often set up, and each laboratory is equipped with a dedicated laboratory table corresponding to different experimental directions to solve the above problems, but the form of setting up the laboratories respectively not only occupies a large amount of space, but also needs to be equipped with various different laboratory tables, which causes great waste of teaching resources.
Disclosure of Invention
Aiming at the situation, in order to make up for the technical defects in the prior art, the invention provides the experiment table for physical experiment teaching, so as to solve the problems that the existing experiment table occupies teaching space and wastes teaching resources.
The technical scheme for solving the problem is as follows: the table frame is formed by connecting two supporting bodies which are arranged in parallel in front and back and a table plate which is arranged above the two supporting bodies, an electric box which is arranged between the two supporting bodies is arranged on the table frame, the electric box is arranged on the right side of the table plate, and the upper part of the electric box is arranged above the table plate;
the supporting body is provided with a sliding block which can vertically slide on the supporting body, the sliding block is provided with a horizontal straight groove, the front end surface and the rear end surface of the electric box are respectively provided with a rotating shaft which is longitudinally arranged and coaxial with each other, and the rotating shafts are arranged in the straight groove to form a structure that the electric box can simultaneously rotate and slide in the straight groove through the rotating shafts, and the electric box can slide downwards along with the sliding block through the rotating shafts and the straight groove;
a first thrust spring which is horizontally arranged and arranged on the right side of the rotating shaft is arranged in the straight groove, one end of the first thrust spring is contacted with the rotating shaft, and the other end of the first thrust spring is contacted with the right end face of the straight groove, so that a structure that the rotating shaft moves leftwards in the straight groove by the thrust of the first thrust spring to enable the left end face of the electric box to be in extrusion contact with the table plate is formed; the rectangular sliding groove on the supporting body is internally provided with a plurality of second thrust springs which are vertically arranged below the sliding block, the upper ends of the second thrust springs are in contact with the sliding block, the lower ends of the second thrust springs are in contact with the lower end face of the rectangular sliding groove, and a structure that the sliding block slides upwards through the second thrust springs to enable the upper end face of the sliding block to be in extrusion contact with the upper end face of the rectangular sliding groove is formed.
The switching device has the advantages of ingenious structure and convenience in operation, switching of the experiment tables can be completed only by pressing and rotating the electric box, and when the switching device is used for carrying out physical experiments, switching of the experiment tables can be carried out according to the actual course progress, a plurality of laboratories do not need to be respectively arranged, so that the space is effectively saved, various different experiment tables do not need to be arranged, the utilization rate of teaching resources is greatly improved, and the teaching cost is reduced.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a cross-sectional view a-a of the present invention.
Fig. 3 is an isometric view of the present invention.
Fig. 4 is a front view of the electrical box of the present invention when stowed.
FIG. 5 is an axial cross-sectional view of the electrical box of the present invention when stowed.
FIG. 6 is an isometric cross-sectional view of the electrical housing of the present invention rotated to a position where the chamfer contacts the table.
Fig. 7 is an axial sectional view of the electrical box of the present invention rotated to a position where the upper end surface contacts the table.
Fig. 8 is a front view of the electrical box of the present invention.
Fig. 9 is an isometric view of an electrical box of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 9, the table comprises a table frame, wherein the table frame is formed by connecting two supporting bodies 1 which are arranged in parallel in a front-back direction and a table plate 2 which is arranged above the two supporting bodies 1, an electric box 3 which is arranged between the two supporting bodies 1 is arranged on the table frame, the electric box 3 is arranged on the right side of the table plate 2, and the upper part of the electric box 3 is arranged above the table plate 2;
the supporting body 1 is provided with a rectangular sliding groove, a sliding block 4 capable of vertically sliding is arranged in the rectangular sliding groove, a horizontal straight groove 5 is arranged on the sliding block 4, the front end surface and the rear end surface of the electric box 3 are respectively provided with a rotating shaft 6 which are longitudinally arranged and coaxial with each other, the rotating shaft 6 is arranged in the straight groove 5, and a structure that the electric box 3 can simultaneously rotate and slide in the straight groove 5 through the rotating shaft 6 and the electric box 3 can slide downwards along with the sliding block 4 through the rotating shaft 6 and the straight groove 5 is formed;
a first thrust spring 7 which is horizontally arranged and arranged on the right side of the rotating shaft 6 is arranged in the straight groove 5, one end of the first thrust spring 7 is contacted with the rotating shaft 6, and the other end of the first thrust spring 7 is contacted with the right end face of the straight groove 5, so that a structure that the rotating shaft 6 moves leftwards in the straight groove 5 by the thrust of the first thrust spring 7 to enable the left end face of the electric box 3 to be in extrusion contact with the table board 2 is formed; a plurality of second thrust springs 8 which are vertically arranged below the sliding block 4 are arranged in the rectangular sliding groove on the supporting body 1, the upper ends of the second thrust springs 8 are in contact with the sliding block 4, the lower ends of the second thrust springs 8 are in contact with the lower end face of the rectangular sliding groove, and a structure that the sliding block 4 slides upwards through the second thrust springs 8 to enable the upper end face of the sliding block 4 to be in extrusion contact with the upper end face of the rectangular sliding groove is formed.
In order to achieve better use effect of the electrical box, the cross section of the electrical box 3 is a pentagon formed by chamfering the left upper corner of a rectangle.
In order to achieve a better switching effect, when the upper end surface of the electrical box 3 is parallel to the table plate 2, the oblique plane of the electrical box 3 is arranged above the table plate 2, and the distance between the axis of the rotating shaft 6 and the upper end surface of the table plate 2 is equal to the distance between the axis of the rotating shaft 6 and the right end surface of the electrical box 3; when the electrical box 3 rotates 90 degrees anticlockwise, the right end face of the electrical box 3 is flush with the upper end face of the table plate 2.
In order to achieve a better switching effect, the distance between the upper edge line of the left end face of the electrical box 3 and the lower end face of the desk plate 2 is not greater than the effective distance of the sliding block 4 sliding downwards on the supporting body 1, when the electrical box 3 slides downwards, the upper edge line of the left end face of the electrical box 3 can cross the desk plate 2 and be placed below the desk plate 2, and the oblique plane of the electrical box 3 is in contact with the desk plate 2, so that the electrical box 3 deflects.
In order to achieve the effect of more convenient use, the electric box 3 is provided with a voltmeter, an ammeter, an adjustable resistor, an electric display device and a power access hole which are arranged above the desk plate 2.
In order to achieve a better universal effect, the left end face and the upper end face of the electric box 3 are provided with sealing gaskets.
In order to achieve a better positioning effect of the electric box, a longitudinal through hole 9 is formed in the supporting body 1, two locking holes 10 which are parallel up and down are formed in the electric box 3, the upper locking hole 10 and the longitudinal through hole 9 are coaxially arranged, the distance between the axis of the upper locking hole 10 and the upper end face of the supporting body 1 is equal to the distance between the axis of the upper locking hole 10 and the right end face of the electric box 3, the distance between the axis of the lower locking hole 10 and the right end face of the electric box 3 is equal to the distance between the axis of the lower locking hole 10 and the lower end face of the electric box 3, and a bolt 11 which can be rotatably installed in the locking hole 10 is inserted in the longitudinal through hole 9; when the electrical box 3 rotates 90 degrees counterclockwise to make the right end face of the electrical box 3 flush with the upper end face of the desk board 2, the lower locking hole 10 rotates to be coaxial with the longitudinal through hole 9, and the bolt 11 is screwed into the locking hole 10 to lock the electrical box 3 at the current position.
When the table board is used, the upper locking hole 10 is aligned to the longitudinal through hole 9, the bolt 11 is screwed into the upper locking hole 10 and screwed, the support body 1 and the electric box 3 are locked, the electric box 3 cannot slide downwards or rotate, and a voltmeter, an ammeter, an adjustable resistor, an electric display device and a power supply access hole in the electric box 3 are arranged above the table board 2.
When other experiments need to be carried out, such as mechanics experiments, optical experiments, fluid experiments and the like, in order to obtain a larger experimental operation space, the electrical experiment instrument and equipment installed on the electrical box 3 need to be hidden, and the specific implementation process is as follows: the bolt 11 is screwed out of the locking hole 10, the electric box 3 is pressed down, the electric box 3 slides downwards through the sliding block 4, when the electric box 3 slides to the upper line of the left end face of the electric box and is arranged below the lower end face of the table plate 2, the electric box can rotate through the rotating shaft 6, due to the thrust action of the first thrust spring 7 and the second thrust spring 8, the electric box 3 generates position deviation and rotation to enable the upper oblique plane of the electric box 3 to be always in contact with the table plate 2, the electric box 3 is continuously pressed down, the oblique plane of the electric box 3 slides downwards at the right end of the table plate 2, and meanwhile, the electric box 3 rotates through the rotating shaft 6;
in the adjusting process, because the cross section of the electrical box 3 is a pentagon formed by chamfering the upper left corner, in the process that the electrical box 3 rotates through the rotating shaft 6, under the compensation adjusting action of the first thrust spring 7 and the second thrust spring 8, each side surface of the electrical box 3 rotates to correspond to the right end of the table plate 2 respectively, and the side surface and the table plate 2 can be kept in real-time extrusion contact, so that the adjusted electrical box 3 and the table plate 2 are in regular correspondence;
further, for the electrical box 3 with other cross-sections, the compensation adjustment of the first thrust spring 7 and the second thrust spring 8 can also ensure that, during the rotation of the electrical box 3 via the rotating shaft 6, each side surface of the electrical box 3 is in real-time pressing contact with the table 2 when the side surface is rotated to correspond to the right end of the table 2.
When the electric box 3 rotates 90 degrees, the adjustment is completed, at the moment, the right end face of the electric box 3 rotates to be flush with the upper end face of the table plate 2, the electric box 3 and the table plate 2 clamp a corresponding sealing gasket on the electric box 3, the operating space above the experiment table is increased, a locking hole 10 below the experiment table, which corresponds to the electric box before adjustment, rotates to be coaxial with the longitudinal through hole 9, at the moment, a bolt 11 is screwed into the locking hole 10 and screwed, the electric box 3 is locked at the current position and cannot slide downwards or rotate, and a voltmeter, an ammeter, an adjustable resistor, an electric display device and a power supply access hole on the electric box 3 are arranged below the table plate 2.
Because the left end face and the upper end face of the electric box 3 are provided with the sealing gaskets, when the electric box is in different position states, the sealing gaskets can effectively isolate liquid leakage.
The switching device has the advantages that the structure is ingenious, the operation is convenient, the switching of the experiment table can be completed only by pressing and rotating the electric box, the experiment table has universality, a plurality of laboratories provided with different experiment tables do not need to be set up according to different experiment directions, the safety and cleanness of an electrical experiment instrument and a meter and other equipment on the electric box can be effectively protected, the electric box can be timely rotated and retracted after the electrical experiment is completed, and the risks of liquid splashing and the like caused by the fact that the electrical instrument and the meter fall into dust or other experiment processes can be avoided;
meanwhile, as the sealing gasket is arranged at the contact part of the electric box and the table plate, the sealing gasket can play a better role in isolation in experiments involving liquid, and the liquid cannot leak downwards even if the liquid falls on the experiment table, so that the electrical instruments and meters are well protected;
in addition, when the table below was arranged in to electricity instrument and meter, an terminal surface and the table parallel and level of electric box had been extended in other words to the table, made the operable space increase of laboratory bench top, was convenient for carry out other experiments.
In summary, when the invention is used for carrying out physical experiments, the experiment tables can be switched according to the actual course progress, a plurality of laboratories do not need to be respectively arranged, the space is effectively saved, various different experiment tables do not need to be arranged, the utilization rate of teaching resources is greatly improved, and the teaching cost is reduced.
Claims (3)
1. The experiment table for the physical experiment teaching is characterized by comprising a table frame, wherein the table frame is formed by connecting two supporting bodies (1) which are arranged in parallel in a front-back direction and a table plate (2) which is arranged above the two supporting bodies (1), an electric box (3) which is arranged between the two supporting bodies (1) is arranged on the table frame, the electric box (3) is arranged on the right side of the table plate (2), and the upper part of the electric box (3) is arranged above the table plate (2); the supporting body (1) is provided with a sliding block (4) capable of vertically sliding on the supporting body (1), the cross section of an electric box (3) is a pentagon formed by beveling the upper left corner of a rectangle, the electric box (3) is provided with a voltmeter, an ammeter, an adjustable resistor, an electric display device and a power access hole which are arranged above a table plate (2), the sliding block (4) is provided with a horizontal straight groove (5), the front end surface and the rear end surface of the electric box (3) are respectively provided with a rotating shaft (6) which are longitudinally arranged and are mutually coaxial, the rotating shaft (6) is arranged in the straight groove (5), and a structure that the electric box (3) can simultaneously rotate and slide in the straight groove (5) through the rotating shaft (6) and the straight groove (5) and can slide downwards along with the sliding block (4) is formed; a first thrust spring (7) which is arranged on the right side of the rotating shaft (6) and is horizontally arranged is arranged in the straight groove (5), one end of the first thrust spring (7) is in contact with the rotating shaft (6), and the other end of the first thrust spring (7) is in contact with the right end face of the straight groove (5); a plurality of second thrust springs (8) of vertical setting of arranging slider (4) below in the rectangle spout on supporter (1), the upper end and the slider (4) contact of second thrust spring (8), the lower extreme of second thrust spring (8) and the lower terminal surface contact of rectangle spout, when the up end of electric box (3) is parallel with table (2), the top of table (2) is arranged in to the scarf of electric box (3), the distance of the axis of pivot (6) and the up end of table (2) equals with the distance of the axis of pivot (6) and electric box (3) right-hand member face, the distance between the last sideline of the left end face of electric box (3) and the lower terminal surface of table (2) is not more than slider (4) effective distance of gliding on supporter (1).
2. The physical experiment teaching experiment table as claimed in claim 1, wherein the left end face and the upper end face of the electrical box (3) are provided with sealing gaskets.
3. The experiment table for teaching physical experiments according to any one of claims 1 to 2, wherein a longitudinal through hole (9) is formed in the supporting body (1), two locking holes (10) which are juxtaposed up and down are formed in the electrical box (3), the upper locking hole (10) and the longitudinal through hole (9) are coaxially arranged, the distance between the axis of the upper locking hole (10) and the upper end surface of the supporting body (1) is equal to the distance between the axis of the upper locking hole (10) and the right end surface of the electrical box (3), the distance between the axis of the lower locking hole (10) and the right end surface of the electrical box (3) is equal to the distance between the axis of the lower locking hole (10) and the lower end surface of the electrical box (3), and a bolt (11) which can be screwed into the locking hole (10) is inserted into the longitudinal through hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811097153.7A CN109064854B (en) | 2017-09-13 | 2017-09-13 | Experiment table for physics experiment teaching |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710819946.4A CN107507496B (en) | 2017-09-13 | 2017-09-13 | A kind of physics teaching teaching aid student experimenting platform |
| CN201811097153.7A CN109064854B (en) | 2017-09-13 | 2017-09-13 | Experiment table for physics experiment teaching |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710819946.4A Division CN107507496B (en) | 2017-09-13 | 2017-09-13 | A kind of physics teaching teaching aid student experimenting platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109064854A CN109064854A (en) | 2018-12-21 |
| CN109064854B true CN109064854B (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710819946.4A Active CN107507496B (en) | 2017-09-13 | 2017-09-13 | A kind of physics teaching teaching aid student experimenting platform |
| CN201811097153.7A Active CN109064854B (en) | 2017-09-13 | 2017-09-13 | Experiment table for physics experiment teaching |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710819946.4A Active CN107507496B (en) | 2017-09-13 | 2017-09-13 | A kind of physics teaching teaching aid student experimenting platform |
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| CN (2) | CN107507496B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622094B (en) * | 2018-12-26 | 2021-02-19 | 肖扬 | Experiment table suitable for multiple physical experiments |
| CN111564081A (en) * | 2020-06-22 | 2020-08-21 | 深圳中鲲智能科技有限公司 | Real integrated device that instructs of electric automatization teaching experiment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2596382Y (en) * | 2002-06-17 | 2003-12-31 | 刘京 | Hiddenb type liquid crystal display lifter |
| CN204952947U (en) * | 2015-07-20 | 2016-01-13 | 四川英才教学设备有限公司 | Physical experiment table |
| CN107049680A (en) * | 2017-05-24 | 2017-08-18 | 丽水市伊凡家模具科技有限公司 | A kind of nurse's desk with arrangement function |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19624506A1 (en) * | 1995-06-19 | 1997-03-20 | Kaltenbach & Voigt | Work table, esp. for medical or dental laboratory |
| CN204132744U (en) * | 2014-08-28 | 2015-02-04 | 孙小琳 | A kind of Experiments of Electricity table |
| CN206040023U (en) * | 2016-06-30 | 2017-03-22 | 温州贝尔教仪有限公司 | Programmable controller experimental apparatus |
| CN106448378A (en) * | 2016-09-30 | 2017-02-22 | 浙江经济职业技术学院 | General circuit connection detecting experiment table for automobile |
-
2017
- 2017-09-13 CN CN201710819946.4A patent/CN107507496B/en active Active
- 2017-09-13 CN CN201811097153.7A patent/CN109064854B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2596382Y (en) * | 2002-06-17 | 2003-12-31 | 刘京 | Hiddenb type liquid crystal display lifter |
| CN204952947U (en) * | 2015-07-20 | 2016-01-13 | 四川英才教学设备有限公司 | Physical experiment table |
| CN107049680A (en) * | 2017-05-24 | 2017-08-18 | 丽水市伊凡家模具科技有限公司 | A kind of nurse's desk with arrangement function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107507496B (en) | 2018-11-13 |
| CN109064854A (en) | 2018-12-21 |
| CN107507496A (en) | 2017-12-22 |
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Effective date of registration: 20200908 Address after: 350200 R & D building 2, Southeast China big data Industrial Park, No. 2, Hujiang Road, Wenwusha Town, Changle District, Fuzhou City, Fujian Province Applicant after: Fujian Xuchen Information Technology Co.,Ltd. Address before: 473000 No. 135, Wolong Road, Wolong District, Henan, Nanyang Applicant before: NANYANG MEDICAL College |
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