CN214855763U - Primary school scientific experiment teaching aid convenient to use - Google Patents
Primary school scientific experiment teaching aid convenient to use Download PDFInfo
- Publication number
- CN214855763U CN214855763U CN202120399438.7U CN202120399438U CN214855763U CN 214855763 U CN214855763 U CN 214855763U CN 202120399438 U CN202120399438 U CN 202120399438U CN 214855763 U CN214855763 U CN 214855763U
- Authority
- CN
- China
- Prior art keywords
- base
- fixedly connected
- teaching aid
- rotary rod
- primary school
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Toys (AREA)
Abstract
The utility model discloses a primary school's science experiment teaching aid convenient to use, the on-line screen storage device comprises a base, the fixed pipe of top fixedly connected with of base, the right side at base top runs through swing joint and has the plectane, the left side fixedly connected with handle at plectane top, the first rotary rod of bottom fixedly connected with of plectane, the bottom and the base swing joint of first rotary rod, the fixed surface cover of first rotary rod is equipped with the action wheel, inner cavity of the base's bottom swing joint has the second rotary rod. The utility model discloses a set up base, fixed pipe, handle, casing, loading board, plectane, first rotary rod, action wheel, belt, use from the cooperation of driving wheel, movable tube, threaded rod, connecting plate, stopper and second rotary rod, solved the problem that current partial primary school's science experiment teaching aid is not convenient for the user to use, this primary school's science experiment teaching aid possesses the advantage that convenient to use person used, is worth promoting.
Description
Technical Field
The utility model relates to a teaching aid technical field specifically is a primary school's science experiment teaching aid convenient to use.
Background
The science, the foundation is at the testable explanation and to the form of objective thing, the orderly knowledge system that the tissue etc. predicts, the knowledge that has systematized and formulaized, in the aspect of primary school's scientific experiment, need use multiple different teaching aids, in order to carry out better show to different experiment teaching aids in the classroom, consequently need the teacher to hold up the teaching aid and raise the height, at the in-process of lifting for a long time, can accelerate teacher's fatigue, the use of giving the teacher brings inconvenience.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a primary school's science experiment teaching aid convenient to use possesses the advantage that the person of facilitating the use used, has solved the problem that current partial primary school's science experiment teaching aid the person of not being convenient for use used.
In order to achieve the above object, the utility model provides a following technical scheme: a convenient-to-use teaching aid for scientific experiments in primary schools comprises a base, wherein a fixed pipe is fixedly connected to the top of the base, a circular plate is movably connected to the right side of the top of the base in a penetrating mode, a handle is fixedly connected to the left side of the top of the circular plate, a first rotary rod is fixedly connected to the bottom of the circular plate, the bottom of the first rotary rod is movably connected with the base, a driving wheel is fixedly sleeved on the surface of the first rotary rod, a second rotary rod is movably connected to the bottom of an inner cavity of the base, a driven wheel is fixedly sleeved on the surface of the second rotary rod, a belt is sleeved between the surfaces of the driving wheel and the driven wheel, a threaded rod is fixedly connected to the top of the second rotary rod in a penetrating mode and penetrates through the base, a movable pipe is sleeved on the surface of the threaded rod, a shell is fixedly connected to the top of the movable pipe, and a limiting block is movably connected to the inner cavity of the shell, the top fixedly connected with connecting plate of stopper, the top of connecting plate runs through casing and fixedly connected with loading board.
Preferably, the edge of the bottom of the base is fixedly connected with supporting blocks, the number of the supporting blocks is not less than three, and anti-skid grains are formed in the bottom of each supporting block.
Preferably, the bottom fixedly connected with reinforcing plate on fixed pipe surface, the bottom and the base fixed connection of reinforcing plate, the quantity of reinforcing plate is no less than three.
Preferably, the bottoms of the two sides of the movable pipe are fixedly connected with sliding blocks, and one side of each sliding block, which is close to the inner wall of the fixed pipe, is in contact with the inner wall of the fixed pipe.
Preferably, the bottom of the first rotating rod and the joint of the surface of the second rotating rod and the base are movably connected through bearings, and the surface of the threaded rod is in threaded connection with the joint of the movable tube.
Preferably, the bottom and the top of the shell are respectively contacted with the fixing tube and the bearing plate, and the top of the bearing plate is fixedly connected with an anti-skid pad.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a set up base, fixed pipe, handle, casing, loading board, plectane, first rotary rod, action wheel, belt, use from the cooperation of driving wheel, movable tube, threaded rod, connecting plate, stopper and second rotary rod, solved the problem that current partial primary school's science experiment teaching aid is not convenient for the user to use, this primary school's science experiment teaching aid possesses the advantage that convenient to use person used, is worth promoting.
2. The bearing is arranged, so that the first rotary rod and the second rotary rod are movably arranged together with the base;
the sliding block is arranged, so that the limiting effect is achieved, the movable pipe is prevented from being separated from the inner cavity of the fixed pipe, and the stability of the movable pipe in use is improved;
the anti-skid lines increase the friction force between the supporting blocks and other devices and increase the stability of the teaching aid during placement;
through setting up the reinforcing plate, stability when base and fixed union coupling has been increased.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front sectional view of the base and the fixing tube of the present invention;
fig. 3 is a front sectional view of the housing of the present invention;
fig. 4 is a top view of the loading plate of the present invention.
In the figure: the device comprises a base 1, a fixed pipe 2, a handle 3, a shell 4, a bearing plate 5, a non-slip mat 6, a circular plate 7, a first rotating rod 8, a driving wheel 9, a belt 10, a driven wheel 11, a sliding block 12, a movable pipe 13, a threaded rod 14, a connecting plate 15, a limiting block 16, a supporting block 17, a reinforcing plate 18 and a second rotating rod 19.
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a base 1, fixed pipe 2, handle 3, casing 4, loading board 5, slipmat 6, plectane 7, first rotary rod 8, action wheel 9, belt 10, from driving wheel 11, slider 12, movable tube 13, threaded rod 14, connecting plate 15, stopper 16, supporting shoe 17, reinforcing plate 18 and parts such as second rotary rod 19 are general standard or the parts that technical staff in the field knows, its structure and principle all can learn through the technical manual or learn through conventional experimental method for technical staff in the field.
Referring to fig. 1-4, a convenient teaching aid for primary school scientific experiments comprises a base 1, a fixed tube 2 is fixedly connected to the top of the base 1, a circular plate 7 is movably connected to the right side of the top of the base 1 in a penetrating manner, a handle 3 is fixedly connected to the left side of the top of the circular plate 7, a first rotating rod 8 is fixedly connected to the bottom of the circular plate 7, the bottom of the first rotating rod 8 is movably connected to the base 1, a driving wheel 9 is fixedly sleeved on the surface of the first rotating rod 8, a second rotating rod 19 is movably connected to the bottom of an inner cavity of the base 1, a driven wheel 11 is fixedly sleeved on the surface of the second rotating rod 19, a belt 10 is sleeved between the surfaces of the driving wheel 9 and the driven wheel 11, a threaded rod 14 is fixedly connected to the top of the second rotating rod 19 in a penetrating manner through the base 1, a movable tube 13 is sleeved on the surface of the threaded rod 14, the top of the movable tube 13 is connected to the fixed tube 2 and the shell 4, the inner cavity of the shell 4 is movably connected with a limiting block 16, the top of the limiting block 16 is fixedly connected with a connecting plate 15, and the top of the connecting plate 15 penetrates through the shell 4 and is fixedly connected with a bearing plate 5;
the edge of the bottom of the base 1 is fixedly connected with supporting blocks 17, the number of the supporting blocks 17 is not less than three, and the bottom of each supporting block 17 is provided with anti-skid grains;
the bottom of the surface of the fixed pipe 2 is fixedly connected with a reinforcing plate 18, the bottom of the reinforcing plate 18 is fixedly connected with the base 1, and the number of the reinforcing plates 18 is not less than three;
the bottoms of the two sides of the movable pipe 13 are fixedly connected with sliding blocks 12, and one side of each sliding block 12, which is close to the inner wall of the fixed pipe 2, is in contact with the inner wall of the fixed pipe 2;
the bottom of the first rotating rod 8 and the joint of the surface of the second rotating rod 19 and the base 1 are movably connected through bearings, and the surface of the threaded rod 14 is in threaded connection with the joint of the movable tube 13;
the bottom and the top of the shell 4 are respectively contacted with the fixed tube 2 and the bearing plate 5, and the top of the bearing plate 5 is fixedly connected with an anti-skid pad 6;
the first rotating rod 8 and the second rotating rod 19 are conveniently and movably arranged together with the base 1 by arranging the bearings;
the slide block 12 is arranged to play a role in limiting, so that the movable pipe 13 is prevented from being separated from the inner cavity of the fixed pipe 2, and the stability of the movable pipe 13 in use is improved;
the supporting block 17 is arranged to play a role in supporting the base 1, the anti-skid grains increase the friction force between the supporting block 17 and other devices, and the stability of the teaching aid during placement is improved;
by providing the reinforcing plate 18, the stability when the base 1 and the fixing tube 2 are connected is increased.
When the height-adjustable high teaching aid is used, the height of the high teaching aid is adjusted according to the lifted height, a user drives the circular plate 7 to rotate through the handle 3, the circular plate 7 drives the driving wheel 9 through the first rotating rod 8, the driving wheel 9 drives the driven wheel 11 to rotate through the belt 10, the driven wheel 11 drives the threaded rod 14 to rotate through the second rotating rod 19, the threaded rod 14 drives the movable tube 13 to ascend through the thread transmission between the threaded rod and the movable tube 13, the movable tube 13 drives the bearing plate 5 at the top to adjust the height through the shell 4, the user places the experimental teaching aid at the top of the anti-skid pad 6, the height of the experimental teaching aid is convenient to drive, the manual lifting of the user is not needed, when the experimental supplies are required to be displayed for 360 degrees, the user rotates the bearing plate 5, the bearing plate 5 drives the limiting block 16 to rotate in the inner cavity of the shell 4 through the connecting plate 15, and the bearing plate 5 adjusts the rotation angle through the structure at the top driven by the anti-skid pad 6, the experimental article can be better displayed.
In summary, the following steps: this teaching aid is tested in primary school's science convenient to use, through setting up base 1, fixed pipe 2, handle 3, casing 4, loading board 5, plectane 7, first rotary rod 8, action wheel 9, belt 10, from driving wheel 11, movable tube 13, threaded rod 14, connecting plate 15, stopper 16 and the cooperation of second rotary rod 19 use, solved the problem that current part primary school's science experiment teaching aid user of not being convenient for used.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a primary school's science experiment teaching aid convenient to use, includes base (1), its characterized in that: the fixed pipe (2) of top fixedly connected with of base (1), the right side at base (1) top runs through swing joint has plectane (7), the left side fixedly connected with handle (3) at plectane (7) top, the first rotary rod (8) of bottom fixedly connected with of plectane (7), the bottom and base (1) swing joint of first rotary rod (8), the fixed surface cover of first rotary rod (8) is equipped with action wheel (9), the bottom swing joint of base (1) inner chamber has second rotary rod (19), the fixed surface cover of second rotary rod (19) is equipped with from driving wheel (11), the cover is equipped with belt (10) between the surface of action wheel (9) and follow driving wheel (11), base (1) and fixedly connected with threaded rod (14) are run through to the top of second rotary rod (19), the fixed surface cover of threaded rod (14) is equipped with movable pipe (13), the top of activity pipe (13) runs through fixed pipe (2) and fixedly connected with casing (4), the inner chamber swing joint of casing (4) has stopper (16), the top fixedly connected with connecting plate (15) of stopper (16), casing (4) and fixedly connected with loading board (5) are run through at the top of connecting plate (15).
2. A primary school science experiment teaching aid convenient to use according to claim 1, characterized in that: the edge fixedly connected with supporting shoe (17) of base (1) bottom, the quantity of supporting shoe (17) is no less than three, anti-skidding line has been seted up to the bottom of supporting shoe (17).
3. A primary school science experiment teaching aid convenient to use according to claim 1, characterized in that: the bottom fixedly connected with reinforcing plate (18) on fixed pipe (2) surface, the bottom and base (1) fixed connection of reinforcing plate (18), the quantity of reinforcing plate (18) is no less than three.
4. A primary school science experiment teaching aid convenient to use according to claim 1, characterized in that: the equal fixedly connected with slider (12) in bottom of activity pipe (13) both sides, slider (12) are close to the inner wall contact of one side and the fixed pipe of fixed pipe (2) inner wall of fixed pipe (2).
5. A primary school science experiment teaching aid convenient to use according to claim 1, characterized in that: the bottom of the first rotating rod (8) and the joint of the surface of the second rotating rod (19) and the base (1) are movably connected through bearings, and the surface of the threaded rod (14) is in threaded connection with the joint of the movable tube (13).
6. A primary school science experiment teaching aid convenient to use according to claim 1, characterized in that: the bottom and the top of the shell (4) are respectively contacted with the fixed pipe (2) and the bearing plate (5), and the top of the bearing plate (5) is fixedly connected with an anti-skid pad (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120399438.7U CN214855763U (en) | 2021-02-24 | 2021-02-24 | Primary school scientific experiment teaching aid convenient to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120399438.7U CN214855763U (en) | 2021-02-24 | 2021-02-24 | Primary school scientific experiment teaching aid convenient to use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214855763U true CN214855763U (en) | 2021-11-26 |
Family
ID=78859184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120399438.7U Active CN214855763U (en) | 2021-02-24 | 2021-02-24 | Primary school scientific experiment teaching aid convenient to use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214855763U (en) |
-
2021
- 2021-02-24 CN CN202120399438.7U patent/CN214855763U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213930016U (en) | On-spot mapping device that engineering cost used | |
| CN214855763U (en) | Primary school scientific experiment teaching aid convenient to use | |
| CN212229035U (en) | Insulation resistance tester | |
| CN211583206U (en) | Medical radiation examination bed | |
| CN210493141U (en) | Dustproof multimedia teacher's desk | |
| CN214306273U (en) | Simulation building construction device based on BIM | |
| CN213211454U (en) | Portable study presentation device | |
| CN215938019U (en) | Bedside nursing teaching bed | |
| CN206489331U (en) | A kind of electrocardiogram diagosis device | |
| CN211653900U (en) | Marketing plan training device | |
| CN220877540U (en) | Supporting device for defibrillator | |
| CN218339043U (en) | Vacuum degasser with level pressure moisturizing function | |
| CN218010215U (en) | Medical care is with waterproof sheet convenient to change | |
| CN209842999U (en) | Multifunctional three-dimensional model for high school | |
| CN213513026U (en) | Culture media is photographic with adjustable camera mount table | |
| CN212166072U (en) | Nursing cabinet for obstetrics and gynecology department | |
| CN213659815U (en) | Gynaecology and obstetrics is with experiment model show shelf | |
| CN216185371U (en) | Large-internal-medicine instrument conveying equipment | |
| CN219962241U (en) | Practical training operation platform convenient to adjust | |
| CN213831148U (en) | Mathematics drawing instrument convenient to use | |
| CN214293194U (en) | Intelligent mechanical arm for experiments | |
| CN213313208U (en) | Adjustable rehabilitation training device | |
| CN109514515A (en) | A kind of housing project pipeline rack for building | |
| CN213557131U (en) | Auxiliary stand for physics optics experiments | |
| CN210248961U (en) | Can accomodate teaching desk device of computer display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |