CN209496527U

CN209496527U - Apparatus for demonstrating siphon phenomenon is used in a kind of teaching

Info

Publication number: CN209496527U
Application number: CN201821702600.2U
Authority: CN
Inventors: 王峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-20
Filing date: 2018-10-20
Publication date: 2019-10-15
Anticipated expiration: 2028-10-20

Abstract

The utility model discloses a kind of teaching apparatus for demonstrating siphon phenomenon of teaching aid technical field, including pedestal, the screw rod of three groups of arrangements triangular in shape is provided at the top of the pedestal, and it is rotatablely connected between pedestal and screw rod by bearing, the two sides of the screw rod are provided with slide bar, upper plate is provided at the top of the slide bar, it is rotatablely connected between the screw rod and upper plate by bearing, joystick is provided at the top of the screw rod, the left and right sides screw rod outer circumferential walls are bolted with lifting platform one, the top of the left side lifting platform one is provided with beaker two, the utility model structure is simple, it is easy to operate, it can intuitively observe the generating process of siphonage, it can fix on the table, it will not topple over because of neglectful collision, influence the efficiency of teaching of teacher, the effect of lifting can be played, teacher is facilitated to operate demonstration, also side Just teacher adjusts proper height, and student can be made to get information about the generating process of siphonage.

Description

Apparatus for demonstrating siphon phenomenon is used in a kind of teaching

Technical field

The utility model relates to teaching aid technical field, apparatus for demonstrating siphon phenomenon is used in specially a kind of teaching.

Background technique

Siphon is the effect force phenomenon using liquid level difference, will after liquid is full of in an inverted U-shaped tubular structure The high one end that is open is placed in the container for filling liquid, and the liquid in container can continue through siphon pipe to lower location stream Out, currently, it is exactly theories of learning knowledge that student learns siphon substantially, this phenomenon of siphon was not observed intuitively, so that learning Raw learning initiative is poor.

Such as Chinese Patent Application No. CN200920011394.5, particular content are as follows: a kind of apparatus for demonstrating siphon phenomenon relates to And a kind of teaching or demonstration equipment are more specifically to be related to a kind of improvement of apparatus for demonstrating siphon phenomenon structure.One kind is provided The apparatus for demonstrating siphon phenomenon that easy to operate, adjustable siphonage occurs.Including iron stand, structural feature is in iron stand Upper and side is respectively arranged with for cup, water-holding cup, be fixed on the iron clamp of iron stand strut bottleneck downwards, with bottle stopper Vial；Water inlet pipe, outlet pipe are respectively arranged on bottle stopper, water inlet pipe is higher than outlet pipe, and the other end of water inlet pipe, which is located at, to supply water The other end of the bottom of cup, outlet pipe is arranged in water-holding cup, and pipe clamp is provided on outlet pipe.

This apparatus for demonstrating siphon phenomenon, although easy to operate, apparatus for demonstrating in operation, do not need first water inlet pipe, Outlet pipe fills water, reduces operation difficulty, is adjusted siphonage, the pipe clamp being arranged on the outlet pipe of apparatus for demonstrating, The generation that siphonage can be controlled at any time facilitates teaching, but this apparatus for demonstrating siphon phenomenon cannot be to for cup and water receiving Cup is gone up and down, so that teacher, in dais teaching demonstration, a part of vision of student can be kept off by dais to be arrived, influences observation of students Siphonage generating process is not provided with fixed device, is easy to happen and topples over, and influences teacher's teaching, is based on this, this is practical new Type devises a kind of teaching apparatus for demonstrating siphon phenomenon, to solve the above problems.

Utility model content

The purpose of this utility model is to provide a kind of teaching apparatus for demonstrating siphon phenomenon, to solve above-mentioned background technique This apparatus for demonstrating siphon phenomenon of middle proposition cannot be gone up and down to for cup and water-holding cup, so that teacher drills in dais teaching When showing, a part of vision of student can be kept off by dais to be arrived, and is influenced observation of students siphonage generating process, is not provided with fixation Device is easy to happen and topples over, and influences teacher's teaching, the problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of teaching apparatus for demonstrating siphon phenomenon, Including pedestal, it is provided with the screw rod of three groups of arrangements triangular in shape at the top of the pedestal, and passes through bearing between pedestal and screw rod Rotation connection is provided with slide bar at left and right sides of the screw rod, is provided with upper plate at the top of the slide bar, the screw rod and upper It is rotatablely connected between plate by bearing, is provided with joystick at the top of the screw rod, the left and right sides screw rod outer circumferential walls are equal It is bolted with lifting platform one, the top of the left side lifting platform one is provided with beaker two, the top setting of the right side lifting platform one There is beaker one, the outer circumferential walls of the intermediate screw rod are bolted with lifting platform two, and the inside of the lifting platform two is provided through glass Glass bottle, the bottom of the vial are provided with bottle stopper, and circulation device, the vial are provided through at the center of the bottle stopper It is connected respectively with beaker one and beaker two by circulation device.

Preferably, the circulation device includes upper vertical pipeline, and the upper vertical pipeline lower end is communicated with horizontal pipe, institute The left and right ends for stating horizontal pipe have been respectively communicated with left vertical pipeline and right vertical pipeline, the middle part setting of the upper vertical pipeline There is shut-off valve, the lower end of the left vertical pipeline and right vertical pipeline is provided with solenoid valve, and the left vertical pipeline and the right side are perpendicular The lower end of straight pipeline is respectively protruding into one inner cavity of beaker two and beaker, and the solenoid valve is electrically connected by control switch with battery It connects.

Preferably, the lifting platform one includes beaker mounting table, is provided with link block one at the top of the beaker mounting table, The top of the link block one is provided with sliding block one, and the middle part of sliding block one offers the threaded hole with screw rod bolt, described The unthreaded hole connecting with sliding bar is offered at left and right sides of threaded hole.

Preferably, the lifting platform two includes vial mounting table funnel-shaped, the top of the vial mounting table It is provided with link block two, the top of the link block two is provided with sliding block two, and the middle part of sliding block two offers and screw rod phase spiral shell The threaded hole connect offers the unthreaded hole connecting with sliding bar at left and right sides of the threaded hole.

Preferably, the bottom of the pedestal is evenly arranged with sucker.

Preferably, the beaker one, beaker two are different with the liquid-liquid color in vial.

Compared with prior art, the utility model has the beneficial effects that the utility model structure is simple, easy to operate, energy Intuitively observe that the generating process of siphonage can be fixed on the table by sucker, will not because of it is neglectful collision and Topple over, influence the efficiency of teaching of teacher, by multiple joysticks, the effect of lifting can be played, teacher is facilitated to operate demonstration, Facilitate teacher to adjust proper height, enables student clearly to observe siphonage, by the liquid of different colours, student can be made Get information about the generating process of siphonage.

Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.

Detailed description of the invention

In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings Other attached drawings.

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model circulation device structural schematic diagram；

Fig. 3 is one structural schematic diagram of the utility model lifting platform；

Fig. 4 is two structural schematic diagram of the utility model lifting platform.

In attached drawing, parts list represented by the reference numerals are as follows:

1- pedestal, 2- screw rod, 3- slide bar, 4- lifting platform one, 41- beaker mounting table, 42- link block one, 43- sliding block one, 5- lifting platform two, 51- vial mounting table, 52- link block two, 53- sliding block two, 6- upper plate, 7- joystick, 8- beaker one, 9- Vial, 10- bottle stopper, 11- circulation device, the upper vertical pipeline of 111-, 112- horizontal pipe, the left vertical pipeline of 113-, 114- are right Vertical pipeline, 115- shut-off valve, 116- solenoid valve, 12- beaker two, 13- sucker.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts All other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of a kind of teaching apparatus for demonstrating siphon phenomenon technical solution: teaching With apparatus for demonstrating siphon phenomenon, including pedestal 1, the top of pedestal 1 is provided with the screw rod 2 of three groups of arrangements triangular in shape, 1 He of pedestal It is rotatablely connected between screw rod 2 by bearing, the left and right sides of screw rod 2 is provided with slide bar 3, and the top of slide bar 3 is provided with upper plate 6, it is rotatablely connected between screw rod 2 and upper plate 6 by bearing, the top of screw rod 2 is provided with joystick 7,2 circumference of left and right sides screw rod Outer wall is bolted with lifting platform 1, and the top of left side lifting platform 1 is provided with beaker 2 12, and the top of right side lifting platform 1 is set It is equipped with beaker 1, the outer circumferential walls of intermediate screw rod 2 are bolted with lifting platform 25, and the inside of lifting platform 25 is provided through glass Bottle 9, the bottom of vial 9 are provided with bottle stopper 10, vial 9 by circulation device 11 respectively with 2 12 phase of beaker 1 and beaker Connection.

Wherein, circulation device 11 includes upper vertical pipeline 111, and upper 111 lower end of vertical pipeline is communicated with horizontal pipe 112, The left and right ends of horizontal pipe 112 have been respectively communicated with left vertical pipeline 113 and right vertical pipeline 114, are conducive to be connected to vial 9, beaker 1 and beaker 2 12, the middle part of upper vertical pipeline 111 is provided with shut-off valve 115, for ending the liquid in vial 9 The lower end of body inflow horizontal pipe 112, left vertical pipeline 113 and right vertical pipeline 114 is provided with solenoid valve 116, two groups of electricity The start and stop simultaneously of magnet valve 116, can make circulation device 11 hydraulically full, can also make the emptying rate of liquid in circulation device 11, left vertical pipe The lower end of road 113 and right vertical pipeline 114 is respectively protruding into one 8 inner cavity of beaker 2 12 and beaker, facilitates demonstration siphonage, electromagnetism Valve 116 is electrically connected by control switch and battery, can control the start and stop of solenoid valve 116, and lifting platform 1 is placed including beaker Platform 41, the top of beaker mounting table 41 are provided with link block 1, and the top of link block 1 is provided with sliding block 1, sliding block one 43 middle part offers the threaded hole with 2 bolt of screw rod, offers at left and right sides of the threaded hole and is slidably connected with slide bar 3 Unthreaded hole, it can be achieved that lifting platform 1 stablize lifting, state lifting platform 25 include vial mounting table 51 funnel-shaped, glass Bottle can be inverted into wherein, and the top of vial mounting table 51 is provided with link block 2 52, and the top of link block 2 52 is provided with Sliding block 2 53, the middle part of sliding block 2 53 offer the threaded hole with 2 bolt of screw rod, offer at left and right sides of the threaded hole The unthreaded hole being slidably connected with slide bar 3, be conducive to lifting platform 25 stablizes lifting, and the bottom of pedestal 1 is evenly arranged with sucker 13, Device can be made to be stably fixed on desktop, the liquid-liquid color in beaker 1, beaker 2 12 and vial 9 is different, convenient The generation of observation of students siphonage.

One concrete application of the present embodiment are as follows: by sucker 13, can fix on the table, will not be touched because of neglectful It hits and topples over, by shaking three groups of joysticks 7 respectively, so that vial 9 is in height appropriate, the height of beaker 2 12 is lower than The same height of beaker 1, beaker 1, beaker 2 12 and vial 9 are provided with the liquid of different colours, beaker 1 and beaker two 12 liquid level did not had solenoid valve 116, and solenoid valve 116 is in close state, and shut-off valve 115 was opened, so that the liquid in vial 9 It flows into horizontal pipe 112, left vertical pipeline 113 and right vertical pipeline 114, when being filled with liquid, closes shut-off valve 115, Then solenoid valve 116 is opened by control switch, the liquid in beaker 1 will flow into beaker 2 12 at this time, and here it is siphons Liquid is added for convenience in phenomenon in vial 9, and 9 top can offer mouth, main by manufacturing multiple groups circulation device 11 Distinguish the difference in height for being left vertical pipeline 113 and right vertical pipeline 114, then by adjusting the height of two groups of lifting platforms 1, Student can be made to recognize when difference in height difference, the difference of siphonage.

In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples In can be combined in any suitable manner.

The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this Utility model.The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. a kind of teaching apparatus for demonstrating siphon phenomenon, including pedestal (1), it is characterised in that: the top of the pedestal (1) is arranged There is the screw rod (2) of three groups of arrangements triangular in shape, and is rotatablely connected between pedestal (1) and screw rod (2) by bearing, the screw rod (2) it is provided at left and right sides of slide bar (3), is provided with upper plate (6) at the top of the slide bar (3), the screw rod (2) and upper plate (6) it is rotatablely connected, is provided with joystick (7) at the top of the screw rod (2), the left and right sides screw rod (2) by bearing between Outer circumferential walls are bolted with lifting platform one (4), and beaker two (12), right side institute are provided at the top of the lifting platform one (4) of left side It states and is provided with beaker one (8) at the top of lifting platform one (4), the outer circumferential walls of the intermediate screw rod (2) are bolted with lifting platform two (5), the inside of the lifting platform two (5) is provided through vial (9), and the bottom of the vial (9) is provided with bottle stopper (10), it is provided through circulation device (11) at the center of the bottle stopper (10), the vial (9) passes through circulation device (11) It is connected respectively with beaker one (8) and beaker two (12).

2. a kind of teaching apparatus for demonstrating siphon phenomenon according to claim 1, it is characterised in that: the circulation device It (11) include upper vertical pipeline (111), upper vertical pipeline (111) lower end is communicated with horizontal pipe (112), the horizontal tube The left and right ends in road (112) have been respectively communicated with left vertical pipeline (113) and right vertical pipeline (114), the upper vertical pipeline (111) it is provided in the middle part of shut-off valve (115), the lower end of the left vertical pipeline (113) and right vertical pipeline (114) is respectively provided with Have solenoid valve (116), the lower end of the left vertical pipeline (113) and right vertical pipeline (114) be respectively protruding into beaker two (12) and Beaker one (8) inner cavity, the solenoid valve (116) are electrically connected by control switch and battery.

3. a kind of teaching apparatus for demonstrating siphon phenomenon according to claim 1, it is characterised in that: the lifting platform one (4) include beaker mounting table (41), link block one (42), the link block one are provided at the top of the beaker mounting table (41) (42) it is provided with sliding block one (43) at the top of, and is offered in the middle part of sliding block one (43) and the threaded hole of screw rod (2) bolt, institute State the unthreaded hole for offering at left and right sides of threaded hole and being slidably connected with slide bar (3).

4. a kind of teaching apparatus for demonstrating siphon phenomenon according to claim 1, it is characterised in that: the lifting platform two (5) include vial mounting table (51) funnel-shaped, be provided with link block two at the top of the vial mounting table (51) (52), it is provided with sliding block two (53) at the top of the link block two (52), and is offered in the middle part of sliding block two (53) and screw rod (2) The threaded hole of bolt offers the unthreaded hole being slidably connected with slide bar (3) at left and right sides of the threaded hole.

5. a kind of teaching apparatus for demonstrating siphon phenomenon according to claim 1, it is characterised in that: the pedestal (1) Bottom is evenly arranged with sucker (13).

6. a kind of teaching apparatus for demonstrating siphon phenomenon according to claim 1, it is characterised in that: the beaker one (8), Beaker two (12) is different with the liquid-liquid color in vial (9).