CN110898873A - Multifunctional demonstration device for physical teaching - Google Patents

Abstract

The invention discloses a multifunctional demonstration device for physical teaching, which relates to the technical field of teaching aids and comprises a bracket and a mounting plate, wherein the mounting plate is arranged on the bracket; the device also comprises a lifting adjusting component and an experiment placing component, wherein the lifting adjusting component is fixedly arranged on the bracket, the mounting plate is fixedly arranged at the upper end of the lifting adjusting component, and the experiment placing component is arranged on the mounting plate; it installs the workstation on the panel, and the panel mounting is on the mounting panel, and about mounting panel accessible lead screw control, the lead screw control of panel accessible is rotated No. two, and then the upper and lower height of steerable workstation, is convenient for adapt to the user of different heights to steerable panel rotates the slope, and the equipment dislocation of placing around being convenient for avoids sheltering from, convenient observation.

Description

Multifunctional demonstration device for physical teaching

Technical Field

The invention relates to the technical field of teaching aids, in particular to a multifunctional demonstration device for physical teaching.

Background

Physics is a subject of cooperation of practice and theory, and in physical course teaching, rigorous theory and vivid experiment can help students to carefully and thoroughly understand and master teaching contents.

Among the prior art, the test bench that physical teaching used all fixes the workstation on the support, and this makes the workstation highly fixed, can't guarantee normal posture when the mr of different heights uses and experiment the operation, the tired phenomenon appears easily, and in addition, the mesa level of current workstation, if the experimental apparatus who places around appearing, the easy appearance shelters from, and the student can't see the content among the whole experimental apparatus clearly, needs to improve.

Disclosure of Invention

The invention aims to provide a multifunctional demonstration device for physics teaching, which is reasonable in design and convenient to use, aiming at the defects and shortcomings of the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: the device comprises a bracket and a mounting plate, wherein the mounting plate is arranged on the bracket; the device also comprises a lifting adjusting component and an experiment placing component, wherein the lifting adjusting component is fixedly arranged on the bracket, the mounting plate is fixedly arranged at the upper end of the lifting adjusting component, and the experiment placing component is arranged on the mounting plate;

the lifting adjusting assembly comprises a guide rod, a fixing plate, a first lead screw, a mounting plate, a second lead screw and a panel, wherein guide sleeves are fixedly arranged on the left inner side wall and the right inner side wall of the bracket respectively, the guide rods are movably arranged in the guide sleeves in a penetrating manner, the upper end heads of the guide rods are fixedly arranged on the lower surface of the mounting plate, the fixing plate is arranged in the bracket, the lower end heads of the guide rods are fixedly arranged on the upper surface of the fixing plate, a first lead screw is rotatably arranged in a bearing in the bracket, the first lead screw is movably arranged on the fixing plate in a penetrating manner, a first nut is screwed on the first lead screw in a sleeved manner through threads, and the first nut is fixedly; the mounting plate is provided with a mounting window, a first fixing seat is arranged in the mounting window, the left side and the right side of the first fixing seat are respectively and rotatably arranged on the left inner side wall and the right inner side wall of the mounting window in a rotating mode, a second lead screw movably penetrates through the first fixing seat, a second screw is sleeved on the second lead screw in a threaded and rotatably connected mode, the second screw is fixedly arranged on the upper surface of the first fixing seat, a panel is arranged above the mounting plate, the rear side edge of the panel is hinged to the rear side edge of the mounting plate through a hinge, and the rotating shaft at the upper end of the second lead screw is rotatably fixed to the lower surface;

the experiment place the subassembly and contain the workstation, No. three lead screws, the bracing piece, wherein the mounting groove has been seted up on the upper surface of panel, the workstation sets up in the mounting groove, and the preceding side of workstation establishes fixedly with the preceding inside wall hinge of mounting groove, wear to be equipped with waist shape hole on the lower lateral wall of mounting groove, the pivot is equipped with No. three lead screws on the lower surface of panel soon, and No. three lead screws set up under waist shape hole, movable sleeve is equipped with No. two fixing bases on No. three lead screws, the cover is established the screw and has been connect No. three nuts soon on No. three lead screws, No. three nuts are fixed to be set up on the preceding lateral wall of No. two fixing bases, the pivot is equipped with the bracing piece on the last lateral wall of No. two fixing bases soon, the upper end of bracing piece passes behind the waist shape hole.

Furthermore, the rotating shaft in the support is rotatably provided with a transmission rod, a worm wheel is fixedly sleeved on the transmission rod, a worm is fixedly connected to the lower end of the first screw rod in series, and the worm wheel is meshed with the worm.

Furthermore, a baffle is fixedly arranged on the rear side wall of the upper surface of the workbench.

Furthermore, the workbench is provided with pin holes in an array mode, the upper surface of the workbench is provided with limiting strips, the lower surface of each limiting strip is fixedly provided with rubber columns, and the limiting strips are inserted into the pin holes through the rubber columns.

Furthermore, the upper surface of the fixed plate is fixedly provided with a containing box.

Furthermore, a lamp strip is fixedly arranged on the front side edge of the upper side wall of the panel and connected with an external power supply wire.

The working principle of the invention is as follows: the first screw rod is rotated to drive the first screw nut to move up and down, so that the fixed plate moves up and down, the fixed plate drives the mounting plate to move up and down through the guide rod, the height of the panel is controlled, and the height of the experiment placing assembly is controlled; rotate No. two lead screws, No. two lead screws reciprocate on a fixing base, and then withstand that the panel uses the hinged end to rotate as the axle, and then steerable panel slope, make things convenient for the workstation slope on the panel, be convenient for when demonstrateing, with the mesa of workstation to spectator one side slope, be convenient for spectator sees the content on the workstation clearly, when the show of liquid experiment is carried out on the workstation, rotate No. three lead screws, No. two fixing bases slide around on No. three lead screws, and then No. two fixing bases drive the bracing piece and withstand the workstation, make the workstation use its hinged end to rotate as the axle, make the workstation rotate the level, prevent that the liquid in the experiment from spilling over because of the instrument slope on the workstation.

After adopting the structure, the invention has the beneficial effects that:

1. the mounting plate which slides in the guide sleeve through the guide rod can control the height by moving the fixing plate up and down, so that the height of the mounting plate can be conveniently adjusted, and the height of the experiment placing assembly mounted on the mounting plate can be conveniently adjusted;

2. the panel hinge is hinged on the mounting plate and supported by the second screw rod, and the panel can be controlled to rotate and incline by adjusting the second screw rod, so that the experiment contents carried out on the experiment placing assembly on the mounting plate can be conveniently displayed to one side of an audience;

3. the workstation hinge is established on the panel, and the workstation supports through the bracing piece, through No. three lead screw adjustment bracing piece lower extreme positions, can adjust the workstation for the angle of panel, can adjust the workstation level when the panel slopes, conveniently carries out the liquid experiment on the workstation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a sectional view a-a in fig. 1.

Fig. 4 is an enlarged view of a portion B in fig. 3.

FIG. 5 is a schematic view of the connection structure of the stopper strip and the rubber column of the present invention.

Description of reference numerals:

the device comprises asupport 1, amounting plate 2, a lifting adjustingcomponent 3, a guide sleeve 3-1, a guide rod 3-2, a fixing plate 3-3, a first screw rod 3-4, a first screw nut 3-5, a mounting window 3-6, a first fixing seat 3-7, a second screw rod 3-8, a second screw nut 3-9, a panel 3-10, an experiment placingcomponent 4, a workbench 4-1, a mounting groove 4-2, a waist-shaped hole 4-3, a third screw rod 4-4, a third screw nut 4-5, a second fixing seat 4-6, a support rod 4-7, atransmission rod 5, aworm wheel 6, aworm 7, abaffle 8, apin hole 9, alimiting strip 10, arubber column 11, astorage box 12 and alamp strip 13.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

Referring to fig. 1-5, the present embodiment comprises abracket 1, amounting plate 2, wherein themounting plate 2 is disposed on thebracket 1; the device also comprises alifting adjusting component 3 and an experiment placingcomponent 4, wherein the lifting adjustingcomponent 3 is fixedly arranged on thebracket 1, themounting plate 2 is fixedly arranged at the upper end of the lifting adjustingcomponent 3, and the experiment placingcomponent 4 is arranged on themounting plate 2;

thelifting adjusting assembly 3 comprises guide rods 3-2, fixing plates 3-3, a first screw rod 3-4, amounting plate 2, a second screw rod 3-8 and a panel 3-10, wherein guide sleeves 3-1 are respectively welded on the left inner side wall and the right inner side wall of asupport 1, the guide rods 3-2 are movably arranged in the guide sleeves 3-1 in a penetrating manner, the upper ends of the guide rods 3-2 are riveted on the lower surface of themounting plate 2, the fixing plates 3-3 are arranged in thesupport 1, the lower ends of the guide rods 3-2 are riveted on the upper surface of the fixing plates 3-3, a containingbox 12 is riveted on the upper surface of the fixing plates 3-3, the containingbox 12 is used for containing sundries in the experimental process, the first screw rod 3-4 is screwed in thesupport 1, and the first screw rod 3-4 is movably arranged on the fixing plates 3-3, the first screw rod 3-4 is sleeved with a first screw nut 3-5 in a threaded manner, the first screw nut 3-5 is welded on the lower surface of the fixed plate 3-3, atransmission rod 5 is arranged in thesupport 1 in a rotating manner, a bolt is sleeved on thetransmission rod 5 to fix aworm wheel 6, the lower end of the first screw rod 3-4 is coaxially and serially welded with aworm 7, theworm wheel 6 is meshed with theworm 7, thetransmission rod 5 is rotated, and the first screw rod 3-4 can be rotated through transmission of theworm wheel 6 and theworm 7, so that an operator can conveniently stand in front of thesupport 1 to rotatably adjust the first screw rod 3-4;

themounting plate 2 is provided with a mounting window 3-6, a first fixing seat 3-7 is arranged in the mounting window 3-6, the left side and the right side of the first fixing seat 3-7 are respectively and rotatably arranged on the left inner side wall and the right inner side wall of the mounting window 3-6 in a rotating mode, a second screw rod 3-8 is movably arranged on the first fixing seat 3-7 in a penetrating mode, a second screw nut 3-9 is connected to the second screw rod 3-8 in a sleeved mode in a threaded mode, the second screw nut 3-9 is welded on the upper surface of the first fixing seat 3-7, a panel 3-10 is arranged above themounting plate 2, the rear side edge of the panel 3-10 is hinged to the rear side edge of themounting plate 2 through a hinge, the upper rotating shaft of the second screw rod 3-8 is rotatably arranged on the lower surface of the panel 3-10, and the upper and lower positions of the second screw, the second screw rod 3-8 pushes against the panel 3-10 to rotate by taking the hinged end as a shaft, so that the panel 3-10 is controlled to incline;

theexperiment placing component 4 comprises a workbench 4-1, a third screw rod 4-4 and a support rod 4-7, wherein the upper surface of a panel 3-10 is provided with a mounting groove 4-2, the workbench 4-1 is arranged in the mounting groove 4-2, the front side edge of the workbench 4-1 is hinged and fixed with the front inner side wall of the mounting groove 4-2, the front side edge of the upper side wall of the panel 3-10 is embedded and fixed with alamp strip 13 by gluing, thelamp strip 13 is connected with an external power supply lead, thelamp strip 13 can provide a light source for the upper surface of the workbench 4-1, and is convenient for the audience positioned behind the workbench 4-1 to observe, the glare phenomenon is not easy to cause, the lower side wall of the mounting groove 4-2 is provided with a waist-shaped hole 4-3 in a penetrating way, and the rotating shaft on the lower surface of the panel 3-10 is provided with, a third screw rod 4-4 is arranged right below the waist-shaped hole 4-3, a second fixed seat 4-6 is movably sleeved on the third screw rod 4-4, a third screw nut 4-5 is screwed on the third screw rod 4-4 in a sleeved mode, the third screw nut 4-5 is welded on the front side wall of the second fixed seat 4-6, a support rod 4-7 is screwed on the upper side wall of the second fixed seat 4-6 in a rotating mode, after the upper end of the support rod 4-7 penetrates through the waist-shaped hole 4-3, the rotating shaft is rotatably arranged on the front side edge of the lower side wall of the workbench 4-1, the third screw rod 4-4 is rotated, the second fixed seat 4-6 is controlled to slide back and forth on the third screw rod 4-4, the angle of the support rod 4-7 relative to the third screw rod 4-4 can be controlled, and the workbench 4-1 can be further controlled to rotate by taking the hinged end as a shaft;

the rear side wall of the upper surface of the workbench 4-1 is welded with abaffle 8, when the workbench 4-1 inclines, thebaffle 8 can block articles on the workbench 4-1 and prevent rolling and sliding,pin holes 9 are formed in the workbench 4-1 in an array mode, alimiting strip 10 is arranged on the upper surface of the workbench 4-1,rubber columns 11 are integrally formed on the lower surface of thelimiting strip 10, thelimiting strip 10 is inserted into thepin holes 9 through therubber columns 11, when experimental equipment is placed on the workbench 4-1, thelimiting strip 10 is fixed on the table top of the workbench 4-1 through therubber columns 11, the experimental equipment can be surrounded by thelimiting strip 10, sliding of the experimental equipment is prevented, and thelimiting strip 10 is made of soft materials made of rubber materials, and shape adjustment can be conveniently carried out according to the size of the experimental equipment.

The working principle of the specific embodiment is as follows: the first screw rod 3-4 is rotated, the first screw rod 3-4 drives the first screw nut 3-5 to move up and down, the fixing plate 3-3 further moves up and down, the fixing plate 3-3 drives themounting plate 2 to move up and down through the guide rod 3-2, the height of the panel 3-10 is further controlled, and the height of theexperiment placing assembly 4 is further controlled; the second screw rod 3-8 is rotated, the second screw rod 3-8 moves up and down on the first fixed seat 3-7 to further support against the panel 3-10 to rotate by taking the hinged end as an axis, so that the panel 3-10 can be controlled to incline, the worktable 4-1 on the panel 3-10 can be conveniently inclined, the table surface of the worktable 4-1 can be inclined towards one side of audiences when the exhibition is carried out, the contents on the worktable 4-1 can be conveniently seen by the audiences, the third screw rod 4-4 is rotated when the exhibition of a liquid experiment is carried out on the worktable 4-1, the second fixed seat 4-6 slides back and forth on the third screw rod 4-4, and the second fixed seat 4-6 drives the support rod 4-7 to support against the worktable 4-1 to enable the worktable 4-1 to rotate by taking the hinged end as an axis, so that the worktable 4-1 rotates horizontally, the liquid in the experiment on the working table 4-1 is prevented from overflowing due to the inclination of the instrument.

After adopting above-mentioned structure, this embodiment beneficial effect does:

1. themounting plate 2 which slides in the guide sleeve 3-1 through the guide rod 3-2 can control the height by moving the fixing plate 3-3 up and down, so that the height of themounting plate 2 can be conveniently adjusted, and the height of theexperiment placing assembly 4 mounted on themounting plate 2 can be conveniently adjusted;

2. the panel 3-10 is hinged on themounting plate 2 and supported by a second screw rod 3-8, and the panel 3-10 can be controlled to rotate and incline by adjusting the second screw rod 3-8, so that the experimental contents carried out on the experimental placingcomponent 4 on themounting plate 2 can be conveniently displayed to one side of an audience;

3. the working table 4-1 is hinged on the panel 3-10, the working table 4-1 is supported by the supporting rod 4-7, the angle of the working table 4-1 relative to the panel 3-10 can be adjusted by adjusting the position of the lower end of the supporting rod 4-7 through the third screw rod 4-4, the level of the working table 4-1 can be adjusted when the panel 3-10 is inclined, and liquid experiments can be conveniently carried out on the working table 4-1.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (7)

1. The utility model provides a presentation device is used in multi-functional physics teaching which characterized in that: the device comprises a bracket (1) and a mounting plate (2), wherein the mounting plate (2) is arranged on the bracket (1); the method is characterized in that: the device is characterized by also comprising a lifting adjusting component (3) and an experiment placing component (4), wherein the lifting adjusting component (3) is fixedly arranged on the bracket (1), the mounting plate (2) is fixedly arranged at the upper end of the lifting adjusting component (3), and the experiment placing component (4) is arranged on the mounting plate (2);

the lifting adjusting component (3) comprises a guide rod (3-2), a fixing plate (3-3), a first lead screw (3-4), a mounting plate (2), a second lead screw (3-8) and a panel (3-10), wherein guide sleeves (3-1) are respectively and fixedly arranged on the left inner side wall and the right inner side wall of the bracket (1), the guide rod (3-2) is movably arranged in the guide sleeve (3-1) in a penetrating manner, the upper end of the guide rod (3-2) is fixedly arranged on the lower surface of the mounting plate (2), the fixing plate (3-3) is arranged in the bracket (1), the lower end of the guide rod (3-2) is fixedly arranged on the upper surface of the fixing plate (3-3), the first lead screw (3-4) is rotatably arranged in a bearing in the bracket (1), and the first lead screw (3-4) is movably arranged on the fixing plate (3-3), the first screw rod (3-4) is sleeved with a first screw nut (3-5) in a threaded manner, and the first screw nut (3-5) is fixedly arranged on the lower surface of the fixing plate (3-3); the mounting plate (2) is provided with a mounting window (3-6), a first fixed seat (3-7) is arranged in the mounting window (3-6), the left side and the right side of the first fixed seat (3-7) are respectively and rotatably arranged on the left inner side wall and the right inner side wall of the mounting window (3-6) in a rotating mode through rotating shafts, a second screw rod (3-8) is movably arranged on the first fixed seat (3-7) in a penetrating mode, a second screw nut (3-9) is connected to the second screw rod (3-8) in a sleeved and threaded mode, the second screw nut (3-9) is fixedly arranged on the upper surface of the first fixed seat (3-7), a panel (3-10) is arranged above the mounting plate (2), the rear side edge of the panel (3-10) is hinged to the rear side edge of the mounting plate (2) through a hinge, and the rotating shaft at the upper end of the second screw rod (3-8) is rotatably arranged on the lower surface of the panel;

the experiment placing assembly (4) comprises a workbench (4-1), a third screw rod (4-4) and a support rod (4-7), wherein the upper surface of a panel (3-10) is provided with a mounting groove (4-2), the workbench (4-1) is arranged in the mounting groove (4-2), the front side edge of the workbench (4-1) is hinged and fixed with the front inner side wall of the mounting groove (4-2), a waist-shaped hole (4-3) is arranged on the lower side wall of the mounting groove (4-2) in a penetrating manner, the lower surface of the panel (3-10) is provided with the third screw rod (4-4) in a rotating manner, the third screw rod (4-4) is arranged under the waist-shaped hole (4-3), and a second fixing seat (4-6) is movably sleeved on the third screw rod (4-4), the third screw rod (4-4) is sleeved with a screw thread and is screwed with a third screw nut (4-5), the third screw nut (4-5) is fixedly arranged on the front side wall of the second fixing seat (4-6), a support rod (4-7) is rotatably arranged on the upper side wall of the second fixing seat (4-6), and after the upper end of the support rod (4-7) passes through the waist-shaped hole (4-3), the rotary shaft is rotatably arranged on the front side edge of the lower side wall of the workbench (4-1).

2. A multi-functional presentation device for physical teaching as claimed in claim 1, wherein: the transmission rod (5) is arranged in the support (1) in a rotating mode, a worm wheel (6) is fixedly sleeved on the transmission rod (5), a worm (7) is fixedly connected with the lower end of the first screw rod (3-4) in series, and the worm wheel (6) is meshed with the worm (7).

3. A multi-functional presentation device for physical teaching as claimed in claim 1, wherein: a baffle (8) is fixedly arranged on the rear side wall of the upper surface of the workbench (4-1).

4. A multi-functional presentation device for physical teaching as claimed in claim 1, wherein: the automatic pin hole forming machine is characterized in that pin holes (9) are formed in the workbench (4-1) in an array mode, limiting strips (10) are arranged on the upper surface of the workbench (4-1), rubber columns (11) are fixedly arranged on the lower surfaces of the limiting strips (10), and the limiting strips (10) are inserted into the pin holes (9) through the rubber columns (11).

5. A multi-functional presentation device for physical teaching as claimed in claim 1, wherein: the upper surface of the fixing plate (3-3) is fixedly provided with a containing box (12).

6. A multi-functional presentation device for physical teaching as claimed in claim 1, wherein: and a lamp strip (13) is fixedly arranged on the front side edge of the upper side wall of the panel (3-10), and the lamp strip (13) is connected with an external power supply lead.

7. A multi-functional presentation device for physical teaching as claimed in claim 1, wherein: the working principle is as follows: the first screw rod (3-4) is rotated, the first screw rod (3-4) drives the first screw nut (3-5) to move up and down, the fixing plate (3-3) moves up and down, the fixing plate (3-3) drives the mounting plate (2) to move up and down through the guide rod (3-2), the height of the panel (3-10) is controlled, and the height of the experiment placing assembly (4) is controlled; the second screw rod (3-8) is rotated, the second screw rod (3-8) moves up and down on the first fixing seat (3-7) to further support the panel (3-10) to rotate by taking the hinged end as an axis, so that the panel (3-10) can be controlled to incline, the workbench (4-1) on the panel (3-10) can be conveniently inclined, the table top of the workbench (4-1) can be inclined towards one side of audiences when the exhibition is carried out, the audiences can see the content on the workbench (4-1) clearly, the third screw rod (4-4) is rotated when the exhibition of a liquid experiment is carried out on the workbench (4-1), the second fixing seat (4-6) slides back and forth on the third screw rod (4-4), and the second fixing seat (4-6) drives the support rod (4-7) to support the workbench (4-1), the workbench (4-1) rotates by taking the hinged end thereof as an axis, so that the workbench (4-1) rotates horizontally, and liquid in an experiment on the workbench (4-1) is prevented from overflowing due to the inclination of the instrument.

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