CN109493698A - A kind of physics teaching water flow measurement system - Google Patents
A kind of physics teaching water flow measurement system Download PDFInfo
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- CN109493698A CN109493698A CN201811527510.9A CN201811527510A CN109493698A CN 109493698 A CN109493698 A CN 109493698A CN 201811527510 A CN201811527510 A CN 201811527510A CN 109493698 A CN109493698 A CN 109493698A
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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
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/12—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of liquids or gases
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Abstract
The invention discloses a kind of physics teaching water flows to measure system, including water tank, the inner bottom surface of the water tank is fixedly connected with linker, extra heavy pipe cylinder is equipped on front side of the upper surface of the linker, tubule cylinder is equipped on rear side of the upper surface of the linker, the upper surface front end of the water tank is fixedly connected with support threaded rod, the upper surface of the support threaded rod is fixedly installed with transverse slat, the outer surface thread of the support threaded rod is connected with adjusting nut, the outer surface of the adjusting nut slidably connects U-shaped connection frame, the outer surface of the U-shaped connection frame is slidably connected to the outer surface of support threaded rod by sliding eye, the rear side surface of the U-shaped connection frame is fixedly connected with adjustment barrel by connecting rod, the inner surface lower end of the adjustment barrel is slidably connected to the outer surface of extra heavy pipe cylinder by sealing ring, the physics teaching is measured with water flow System can greatly improve the stability used, guarantee the high efficiency and intuitive of physics teaching experiment.
Description
Technical field
The present invention relates to teaching equipment technical field, specially a kind of physics teaching measures system with water flow.
Background technique
In physical teaching course, the choosing of some physical phenomenons is caught experiment instrument and is operated, in order to which teacher is direct
Demonstration, facilitates student intuitively to learn, and wherein the water flow measurement of linker just needs specific teaching demonstration.
And in existing linker water flow measurement experiment, it is mostly directly to fill the water to be demonstrated using simple linker, mistake
Journey is relatively simple, and demonstrating effect is poor, can not change water flow height as needed and carry out dynamic operation, influence quality of instruction, and
And when carrying out water flow measurement demonstration, it is merely able to watch the variation of horizontal plane, and can not intuitively shows the pressure of water flow
Power and bandwagon effect, and be also not easy to change experimental variable and carry out multiple groups experiment, it is unfavorable for student and sharpens understanding memory.
Summary of the invention
The purpose of the present invention is to provide a kind of physics teaching water flows to measure system, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of physics teaching water flow measures system, including
Water tank, the inner bottom surface of the water tank are fixedly connected with linker, and extra heavy pipe cylinder is equipped on front side of the upper surface of the linker, described
Tubule cylinder is equipped on rear side of the upper surface of linker, the upper surface front end of the water tank is fixedly connected with support threaded rod, the branch
The upper surface of support threaded rod is fixedly installed with transverse slat, is fixedly installed with water pump on rear side of the upper surface of the transverse slat, the water pump
Inlet is fixedly connected with drinking-water pipe, and the exit of the water pump is fixedly installed with outlet pipe；
The outer surface thread of the support threaded rod is connected with adjusting nut, and the outer surface of the adjusting nut slidably connects U
Type connection frame, the outer surface of the U-shaped connection frame are slidably connected to the outer surface of support threaded rod by sliding eye；
The rear side surface of the U-shaped connection frame is fixedly connected with adjustment barrel, the inner surface lower end of the adjustment barrel by connecting rod
The outer surface of extra heavy pipe cylinder is slidably connected to by sealing ring.
Preferably, the outlet pipe is located at the surface of extra heavy pipe cylinder.
Preferably, the upper surface two sides of the adjustment barrel are fixedly connected to guide rod, and the outer surface of the guide rod is by leading
The inside both ends of transverse slat are slidably connected to hole.
Preferably, the rear side end of the transverse slat is hinged with cross bar by articulated shaft, and the rear side end of the cross bar is fixed
Adjusting bracket is installed.
Preferably, the lower surface of the adjusting bracket is equipped with opening regulating tank, the interior surface rotation of the opening regulating tank
It is connected with adjusting threaded rod, the outer surface for adjusting threaded rod is threaded with adjusting block, the tune by adjusting threaded hole
The outer surface of locking nub slidably connects the inner surface of opening regulating tank.
Preferably, the lower surface of the adjusting block is fixedly connected with connection ring, and the outer surface two sides of the connection ring are equipped with
The lower surface of drawstring, the drawstring is fixedly connected with weight tray.
Preferably, the inner surface lower end of the tubule cylinder slidably connects piston, and the lower surface of the piston is fixed to be connected
It is connected to jacking block, the upper surface center of the piston is fixedly installed with push rod.
Preferably, the outer surface two sides of the push rod are fixedly connected to connecting plate, and the inside of the connecting plate, which is equipped with, to be connected
Groove is connect, the inner surface of the connecting groove is rotatably connected to directive wheel, and the outer surface of the directive wheel, which rolls, to be connected to carefully
The inner surface both ends of socket.
Preferably, the upper surface of the push rod is fixedly connected with U-shaped seat, and the inner surface of the U-shaped seat is rotatably connected to
Wheel is pushed, the upper surface for pushing wheel rolls the lower surface for being connected to cross bar, and the upper surface two sides of the U-shaped seat are equipped with gear
Block, the fixed adhesion of the inner surface of the block have limit rubber block, and the outer surface of the limit rubber block is slidably connected to cross
The outer surface of bar.
Compared with prior art, the beneficial effects of the present invention are: physics teaching water flow measures system and passes through in water tank
Linker is installed in portion, in conjunction with water pump circulating water supply, it is ensured that the high efficiency of experiment, while adjustment barrel is driven by adjusting nut
Sliding can change linker side height to carry out Experimental comparison, and practicability is high, while being pushed away by the push rod of piston connection
Hinged cross bar is moved, connects weight tray in conjunction with the adjusting block of screw thread adjusting, thus it is possible to vary while realizing adjusting, be convenient for
The measurement result for visually demonstrating water flow pressure, facilitates teaching and study, can greatly improve the stability used in this way, guarantees object
Manage the high efficiency and intuitive of teaching experiment.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is enlarged drawing at A of the invention；
Fig. 3 is enlarged drawing at B of the invention；
Fig. 4 is the partial schematic diagram that weight tray of the invention connects；
Fig. 5 is the structural schematic diagram that push rod of the invention connects；
Fig. 6 is the side schematic view that U-shaped seat of the invention is connect with cross bar.
In figure: 1 water tank, 11 linkers, 12 extra heavy pipe cylinders, 13 tubule cylinders, 14 support threaded rods, 15 transverse slats, 16 water pumps, 17 are taken out
Water pipe, 18 outlet pipes, 2 adjusting nuts, 21 U-shaped connection frames, 22 sliding eyes, 23 connecting rods, 24 adjustment barrels, 25 sealing rings, 26 guiding
Bar, 27 pilot holes, 3 articulated shafts, 31 cross bars, 32 adjusting brackets, 33 opening regulating tanks, 34 adjust threaded rod, 35 adjusting threaded holes, 36
Adjusting block, 37 connection rings, 38 drawstrings, 39 weight trays, 4 pistons, 41 jacking blocks, 42 push rods, 43 connecting plates, 44 connecting grooves, 45
Directive wheel, 46 U-shaped seats, 47 push wheel, 48 blocks, 49 limit rubber blocks.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6 is please referred to, the present invention provides a kind of technical solution: a kind of physics teaching water flow measurement system, including water
Case 1 can store water flow and be recycled, and guarantee that the stability of experiment and convenience, the inner bottom surface of water tank 1 are fixedly connected
There is linker 11, extra heavy pipe cylinder 12 be equipped on front side of the upper surface of linker 11, is equipped with tubule cylinder 13 on rear side of the upper surface of linker 11,
Water flow pressure can be measured by the water flow difference in height of two sides, guarantees experimental teaching quality, the upper surface front end of water tank 1 is fixed to be connected
It is connected to support threaded rod 14, the upper surface of support threaded rod 14 is fixedly installed with transverse slat 15, fixes on rear side of the upper surface of transverse slat 15
Water pump 16, model PAL-15H are installed, and are connected in series in control switch and power supply by circuit, the inlet of water pump 16 is solid
Surely it is connected with drinking-water pipe 17, can recycle to draw water and stablize experiment, improves security and stability, the fixed peace in the exit of water pump 16
Equipped with outlet pipe 18；
The outer surface thread of support threaded rod 14 is connected with adjusting nut 2, and the outer surface of adjusting nut 2 slidably connects U-shaped company
Frame 21 is connect, adjusting nut 2 can be rotated in this way and change connection height, and then support U-shaped connection frame 21 position at various height,
It can be slided up and down with adjustment barrel 24, change experiment condition, be convenient for multiple groups Experimental comparison, be conducive to teaching and student's study
Understand, the outer surface of U-shaped connection frame 21 is slidably connected to the outer surface of support threaded rod 14 by sliding eye 22, glides in guarantee
Dynamic stability avoids falling off；
The rear side surface of U-shaped connection frame 21 is fixedly connected with adjustment barrel 24, the inner surface lower end of adjustment barrel 24 by connecting rod 23
It is slidably connected to the outer surface of extra heavy pipe cylinder 12 by sealing ring 25, can be slided on extra heavy pipe cylinder 12, and then changes height, is convenient for
Change flow depth to be tested, facilitates comparison to understand, improve the quality of teaching.
Outlet pipe 18 is located at the surface of extra heavy pipe cylinder 12, can persistently add to water inside extra heavy pipe cylinder 12 in this way, guarantees
Stable experiment.
The upper surface two sides of adjustment barrel 24 are fixedly connected to guide rod 26, and the outer surface of guide rod 26 passes through pilot hole 27
The inside both ends of transverse slat 15 are slidably connected, the both ends of adjustment barrel 24 can be oriented to, improve the stability of up and down adjustment,
It avoids eccentric misplace and causes to reveal.
The rear side end of transverse slat 15 is hinged with cross bar 31 by articulated shaft 3, and the rear side end of cross bar 31 is fixedly installed with tune
Frame 32 is saved, can be spun upside down, and then can intuitively measure the pressure and motive force of water flow by the height lifted, is stablized high
Effect.
The lower surface of adjusting bracket 32 is equipped with opening regulating tank 33, and the interior surface of opening regulating tank 33 is rotatably connected to adjusting
Threaded rod 34, the outer surface for adjusting threaded rod 34 are threaded with adjusting block 36 by adjusting threaded hole 35, can pass through screw thread
Effect changes the position of adjusting block 36, and then changes torque arm length, is able to carry out different experiments, and adaptability is high, facilitates teaching,
The outer surface of adjusting block 36 slidably connects the inner surface of opening regulating tank 33.
The lower surface of adjusting block 36 is fixedly connected with connection ring 37, and the outer surface two sides of connection ring 37 are equipped with drawstring 38, draw
The lower surface of rope 38 is fixedly connected with weight tray 39, can place counterweight and carry out counterweight, can be visually seen promotion dynamics, benefit
Learn to understand in student.
The inner surface lower end of tubule cylinder 13 slidably connects piston 4, and the lower surface of piston 4 is fixedly connected with jacking block 41,
The upper surface center of piston 4 is fixedly installed with push rod 42, can be pushed up by water flow, be convenient for Experimental comparison.
The outer surface two sides of push rod 42 are fixedly connected to connecting plate 43, and the inside of connecting plate 43 is equipped with connecting groove 44,
The inner surface of connecting groove 44 is rotatably connected to directive wheel 45, and the outer surface of directive wheel 45, which rolls, is connected to the interior of tubule cylinder 13
Side surface both ends are oriented to push rod 42, reduce frictional resistance, guarantee the stability of experiment.
The upper surface of push rod 42 is fixedly connected with U-shaped seat 46, and the inner surface of U-shaped seat 46 is rotatably connected to promotion wheel 47,
The upper surface of wheel 47 is pushed to roll the lower surface for being connected to cross bar 31, the upper surface two sides of U-shaped seat 46 are equipped with block 48, block
The fixed adhesion of 48 inner surface has limit rubber block 49, and the outer surface of limit rubber block 49 is slidably connected to the appearance of cross bar 31
Face can limit cross bar 31, prevent from coming off promotion wheel 47, and then by pushing wheel 47 to slide below cross bar 31, can push away
While dynamic cross bar 31 rotates, it opposite can slide, will not interfere with, guarantee the security and stability of experiment.
The present invention is in the specific implementation: in experimental teaching, can add water to inside water tank 1, starting water pump 16 passes through
It crosses drinking-water pipe 17 to draw water, can flow out to inside extra heavy pipe cylinder 12 from outlet pipe 18, be entered in tubule cylinder 13 by linker 11
Portion, in this way due to extra heavy pipe cylinder 12 and liquid level increases, can enter inside tubule cylinder 13, so push 4 upward sliding of piston, into
And U-shaped seat 46 is pushed up by push rod 42, and it can be rotated up by pushing wheel 47 to push cross bar 31 around articulated shaft 3, it can
To place counterweight inside weight tray 39, the size of promotion dynamics can be intuitively seen, facilitate teaching management, and need to change
When becoming experiment condition, adjusting nut 2 can be rotated and slided on support threaded rod 14, it can be with gliding on U-shaped connection frame 21
It is dynamic and then mobile with adjustment barrel 24, change the height of extra heavy pipe cylinder 12, can also change the depth of water flow, and then change water
Flowing pressure, while can rotate and adjust threaded rod 34, it can horizontally slip with adjusting block 36, and then change relative to articulated shaft
3 torque arm length, further transformation experiment are adjusted, and can intuitively measure the thrust of water flow, greatly facilitate teacher's teaching, benefit
In student's study and Understanding memory, improve the quality of teaching.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of physics teaching measures system, including water tank (1) with water flow, it is characterised in that: the inner bottom surface of the water tank (1)
It is fixedly connected with linker (11), is equipped with extra heavy pipe cylinder (12) on front side of the upper surface of the linker (11), the linker (11)
Upper surface on rear side of be equipped with tubule cylinder (13), the upper surface front end of the water tank (1) be fixedly connected with support threaded rod (14), institute
The upper surface for stating support threaded rod (14) is fixedly installed with transverse slat (15), is fixedly installed on rear side of the upper surface of the transverse slat (15)
The inlet of water pump (16), the water pump (16) is fixedly connected with drinking-water pipe (17), the fixed peace in the exit of the water pump (16)
Equipped with outlet pipe (18)；
The outer surface thread of support threaded rod (14) is connected with adjusting nut (2), and the outer surface of the adjusting nut (2) is sliding
Dynamic to be connected with U-shaped connection frame (21), the outer surface of the U-shaped connection frame (21) is slidably connected to support spiral shell by sliding eye (22)
The outer surface of rasp bar (14)；
The rear side surface of the U-shaped connection frame (21) is fixedly connected with adjustment barrel (24), the adjustment barrel by connecting rod (23)
(24) inner surface lower end is slidably connected to the outer surface of extra heavy pipe cylinder (12) by sealing ring (25).
2. a kind of physics teaching according to claim 1 measures system with water flow, it is characterised in that: the outlet pipe (18)
Positioned at the surface of extra heavy pipe cylinder (12).
3. a kind of physics teaching according to claim 1 measures system with water flow, it is characterised in that: the adjustment barrel (24)
Upper surface two sides be fixedly connected to guide rod (26), the outer surface of the guide rod (26) is connected by pilot hole (27) sliding
It is connected to the inside both ends of transverse slat (15).
4. a kind of physics teaching according to claim 1 measures system with water flow, it is characterised in that: the transverse slat (15)
Rear side end is hinged with cross bar (31) by articulated shaft (3), and the rear side end of the cross bar (31) is fixedly installed with adjusting bracket
(32).
5. a kind of physics teaching according to claim 4 measures system with water flow, it is characterised in that: the adjusting bracket (32)
Lower surface be equipped with opening regulating tank (33), it is described opening regulating tank (33) interior surface be rotatably connected to adjusting threaded rod
(34), the outer surface for adjusting threaded rod (34) is threaded with adjusting block (36), the tune by adjusting threaded hole (35)
The outer surface of locking nub (36) slidably connects the inner surface of opening regulating tank (33).
6. a kind of physics teaching according to claim 5 measures system with water flow, it is characterised in that: the adjusting block (36)
Lower surface be fixedly connected with connection ring (37), the outer surface two sides of the connection ring (37) are equipped with drawstring (38), the drawstring
(38) lower surface is fixedly connected with weight tray (39).
7. a kind of physics teaching according to claim 1 measures system with water flow, it is characterised in that: the tubule cylinder (13)
Inner surface lower end slidably connect piston (4), the lower surface of the piston (4) is fixedly connected with jacking block (41), the work
The upper surface center of plug (4) is fixedly installed with push rod (42).
8. a kind of physics teaching according to claim 7 measures system with water flow, it is characterised in that: the push rod (42)
Outer surface two sides are fixedly connected to connecting plate (43), and the inside of the connecting plate (43) is equipped with connecting groove (44), the company
The inner surface for connecing groove (44) is rotatably connected to directive wheel (45), and the outer surface of the directive wheel (45), which rolls, is connected to tubule
The inner surface both ends of cylinder (13).
9. a kind of physics teaching according to claim 7 measures system with water flow, it is characterised in that: the push rod (42)
Upper surface is fixedly connected with U-shaped seat (46), and the inner surface of the U-shaped seat (46) is rotatably connected to promotion wheel (47), described to push away
The upper surface of driving wheel (47) rolls the lower surface for being connected to cross bar (31), and the upper surface two sides of the U-shaped seat (46) are equipped with gear
Block (48), the fixed adhesion of the inner surface of the block (48) has limit rubber block (49), outside limit rubber block (49)
Surface is slidably connected to the outer surface of cross bar (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811527510.9A CN109493698B (en) | 2018-12-13 | 2018-12-13 | Water flow measuring system for physics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811527510.9A CN109493698B (en) | 2018-12-13 | 2018-12-13 | Water flow measuring system for physics teaching |
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| Publication Number | Publication Date |
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| CN109493698A true CN109493698A (en) | 2019-03-19 |
| CN109493698B CN109493698B (en) | 2021-05-28 |
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| CN201811527510.9A Active CN109493698B (en) | 2018-12-13 | 2018-12-13 | Water flow measuring system for physics teaching |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116380714A (en) * | 2023-03-15 | 2023-07-04 | 中国科学院地理科学与资源研究所 | Water sample sand content measuring device and measuring method using same |
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| CN108573643A (en) * | 2018-07-25 | 2018-09-25 | 平湖市恒莎服装有限公司 | A kind of Middle School Physics pressure intensity testing device |
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| CN116380714A (en) * | 2023-03-15 | 2023-07-04 | 中国科学院地理科学与资源研究所 | Water sample sand content measuring device and measuring method using same |
| CN116380714B (en) * | 2023-03-15 | 2023-09-22 | 中国科学院地理科学与资源研究所 | Water sample sand content measuring device and measuring method using same |
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