CN206584619U

CN206584619U - A kind of Senior Biology contrasts permeation test demonstrator

Info

Publication number: CN206584619U
Application number: CN201720151808.9U
Authority: CN
Inventors: 梅发君
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-02-20
Filing date: 2017-02-20
Publication date: 2017-10-24
Anticipated expiration: 2027-02-20

Abstract

Permeation test demonstrator is contrasted the utility model discloses a kind of Senior Biology, including demonstrator main body, the demonstrator main body is made up of the first fluid reservoir and the second fluid reservoir, the side of first fluid reservoir and the second fluid reservoir is respectively connected with liquid-feeding tube positioned at discharging tube top position, it is installed on pellicle above bearing piece that the inner tank wall of first fluid reservoir and the second fluid reservoir is respectively connected with, the inner chamber of the first fluid reservoir and the second fluid reservoir is connected with the contrast funnel above pellicle.The utility model can firmly pull and support contrast funnel and contrast is managed, so that contrast funnel and contrast pipe are in the firm state of balance when long-time is used all the time, contrast funnel and the overall structural soundness of contrast pipe is greatly improved, is conducive to quickly carrying out contrast permeability test using the demonstrator.

Description

A kind of Senior Biology contrasts permeation test demonstrator

Technical field

The utility model is related to high school biology curriculum product scope, specially a kind of Senior Biology contrast permeability test demonstration Instrument.

Background technology

In Senior Biology, phenomenon of osmosis lecture experiment is then the problem of an important research and discussion, and research is with visiting The purpose for begging for this experiment is, allows the student of study Senior Biology to go out by analyzing phenomenon, the effect of understanding pellicle, overview Chemosmotic concept and occur chemosmotic two conditions, with the development of science and technology, in the market occur in that it is different types of Senior Biology contrasts permeation test demonstrator, and Senior Biology contrast permeation test demonstrator includes contrast funnel and contrast is managed.

But, Senior Biology contrast permeation test demonstrator on the market, contrasts funnel and contrast pipe when in use at present Easily occur rocking crooked situation under external force, cause demonstrator quickly can not smoothly carry out contrast infiltration real Test, it is difficult to meet market and the use demand of people.

Utility model content

The purpose of this utility model is to provide a kind of Senior Biology contrast permeation test demonstrator, to solve above-mentioned background The problem of being proposed in technology.

To achieve the above object, the utility model provides following technical scheme：

A kind of Senior Biology contrasts permeation test demonstrator, including demonstrator main body, and the demonstrator main body is by the first storage Flow container and the second fluid reservoir composition, the bottom of demonstrator main body is fixedly connected with base station, first fluid reservoir and the second liquid storage The side of tank is respectively connected with discharging tube, and the side of the first fluid reservoir and the second fluid reservoir is respectively connected with positioned at discharging tube top position Liquid-feeding tube, the side of the liquid-feeding tube is connected with holding rod, and the front of first fluid reservoir and the second fluid reservoir is equipped with quarter Pellicle, the first liquid storage are installed on above the bearing piece that the inner tank wall of degree chi, the first fluid reservoir and the second fluid reservoir is respectively connected with The inner chamber of tank and the second fluid reservoir is connected with the contrast funnel above pellicle, and the top of the contrast funnel is provided with Contrast pipe, the top of the demonstrator main body is provided with closure.

Both sides at the top of outer tube wall activity grafting of the lid both sides of the closure with liquid-feeding tube, closure are vertical The guide pillar outer surface being provided with is connected with positioning drawing plate, and the top of the contrast pipe stretches out in closure successively and positioning is drawn The top of plate.

It is preferred that, the L-shaped structure of cross-sectional shape of the liquid-feeding tube, and the outer surface of tube body of liquid-feeding tube is provided with wearing layer.

It is preferred that, be connected with cross bar between the supporting leg that the both sides of the base station bottom are mounted on, and the top of base station with Beam is provided between demonstrator bottom part body.

It is preferred that, the body of rod outer surface of the holding rod is socketed with Anti-slip cover, and the side of holding rod is fixedly connected with the collar, And the collar is socketed on the outer surface of tube body of liquid-feeding tube.

It is preferred that, block is fixedly connected with the top of the guide pillar, and the cartridge outer surface of guide pillar is coated with waterproof layer.

It is preferred that, the middle part at the top of the positioning drawing plate is provided with pull bar, and the T-shaped structure of cross-sectional shape of pull bar.

It is preferred that, first fluid reservoir is made with the second fluid reservoir using transparent material, and the first fluid reservoir Anticorrosive coat is equipped with the inner tank wall of the second fluid reservoir.

Compared with prior art, the beneficial effects of the utility model are：

1st, closure, guide pillar and the positioning drawing plate that the utility model is used, can firmly pull and support contrast funnel and contrast Pipe so that when long-time is used, all the time in the firm state of balance, contrast is greatly improved in contrast funnel and contrast pipe Funnel and the overall structural soundness of contrast pipe, effectively prevent contrast funnel and contrast pipe from occurring rocking crooked feelings when in use Condition, is conducive to carrying out contrast permeability test using the demonstrator, can be promptly into the demonstrator under the cooperation of liquid-feeding tube The different solution of injection, and by the cooperation of graduated scale, the first fluid reservoir and the second fluid reservoir, can be quick bright in a short time Aobvious checks that contrast funnel passes through the phenomenon that pellicle liquid level rises with solution in contrast pipe, is easy to quickly enter using the demonstrator Row contrast permeability test, is conducive to student to carry out the study that Senior Biology contrasts permeability test, understands the effect of pellicle.

2nd, the base station and supporting leg that the utility model is used, can carry out firm branch to the first fluid reservoir and the second fluid reservoir Support so that the first fluid reservoir and the second fluid reservoir are firmly combined as a whole, and are easy to the carrying of the demonstrator to use, improve this The convenient usability of demonstrator, so as to be conducive to the demonstrator significantly to promote the use of.

Brief description of the drawings

Fig. 1 is the utility model structural representation.

In figure：1 demonstrator main body, 11 first fluid reservoirs, 12 second fluid reservoirs, 2 base stations, 21 supporting legs, 3 liquid-feeding tubes, 31 hands Hold bar, 311 collars, 312 Anti-slip covers, 4 discharging tubes, 5 bearing pieces, 6 pellicles, 7 contrast funnels, 71 contrast pipes, 8 graduated scales, 9 sealings Lid, 91 guide pillars, 92 blocks, 10 positioning drawing plates, 101 pull bars.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

Referring to Fig. 1, the utility model provides a kind of technical scheme：

A kind of Senior Biology contrasts permeation test demonstrator, including demonstrator main body 1, and demonstrator main body 1 is by the first liquid storage The fluid reservoir 12 of tank 11 and second is constituted, and the bottom of demonstrator main body 1 is fixedly connected with base station 2, and the both sides of the bottom of base station 2 are respectively mounted Cross bar is connected between some supporting legs 21, the base station 2 and supporting leg 21 of use can be to the first fluid reservoirs 11 and the second fluid reservoir 12 Carry out firm support so that the first fluid reservoir 11 and the second fluid reservoir 12 are firmly combined as a whole, and are easy to taking for the demonstrator Band is used, and improves the convenient usability of the demonstrator, so that be conducive to the demonstrator significantly to promote the use of, and base station 2 Beam is provided between top and the bottom of demonstrator main body 1, the application of beam can reduce base station 2 and the bottom of demonstrator main body 1 Contact wear between portion, so as to extend the service life of demonstrator main body 1, and then extends the use longevity of the demonstrator Life.

The side of first fluid reservoir 11 and the second fluid reservoir 12 is respectively connected with discharging tube 4, the first fluid reservoir 11 and the second storage The side of flow container 12 is respectively connected with liquid-feeding tube 3 positioned at the top position of discharging tube 4.

The side of liquid-feeding tube 3 is connected with holding rod 31, the L-shaped structure of cross-sectional shape of liquid-feeding tube 3, and the pipe of liquid-feeding tube 3 External surface is provided with wearing layer, and the use of wearing layer can improve the anti-wear performance of the body of liquid-feeding tube 3, so as to extend liquid-feeding tube 3 useful life, the body of rod outer surface of holding rod 31 is socketed with Anti-slip cover 312, and the use of Anti-slip cover 312 can extend holding rod 31 service life, improves the comfort property that holding rod 31 is used, and the side of holding rod 31 is fixedly connected with the collar 311, and set Ring 311 is socketed on the outer surface of tube body of liquid-feeding tube 3, and the use of the collar 311 can be easy to holding rod 31 is quickly firm to be installed in The outer surface of liquid-feeding tube 3.

The front of first fluid reservoir 11 and the second fluid reservoir 12 is equipped with graduated scale 8, the first fluid reservoir 11 and the second liquid storage The top of bearing piece 5 that the inner tank wall of tank 12 is respectively connected with is installed on pellicle 6, and the first fluid reservoir 11 is adopted with the second fluid reservoir 12 It is made with transparent material, the first fluid reservoir 11 and the second fluid reservoir 12 that transparent material makes facilitate and intuitively checked pair Rise situation than the liquid level in funnel 7 and contrast pipe 71, so as to be conducive to carrying out Senior Biology contrast permeability test, and first The inner tank wall of the fluid reservoir 12 of fluid reservoir 11 and second is equipped with anticorrosive coat, and the use of anticorrosive coat can improve the first fluid reservoir 11 With the corrosion resistance of the second fluid reservoir 12, so as to extend the service life of the first fluid reservoir 11 and the second fluid reservoir 12, enter And extend the service life of the demonstrator.

The inner chamber of first fluid reservoir 11 and the second fluid reservoir 12 is connected with the contrast funnel 7 positioned at the top of pellicle 6, The top of funnel 7 is contrasted provided with contrast pipe 71, the top of demonstrator main body 1 is provided with closure 9.

Outer tube wall activity grafting of the lid both sides of closure 9 with liquid-feeding tube 3, the both sides at the top of closure 9 are vertical The outer surface of guide pillar 91 being provided with is connected with positioning drawing plate 10.

The middle part at the top of positioning drawing plate 10 is provided with pull bar 101, and the T-shaped structure of cross-sectional shape of pull bar 101, guide pillar 91 Top be fixedly connected with block 92, the use of block 92 can carry out spacing to positioning drawing plate 10, prevent positioning drawing plate 10 from existing Guide pillar 91 is detached when pulling and supporting, and the cartridge outer surface of guide pillar 91 is coated with waterproof layer, the use of waterproof layer can improve guide pillar 91 waterproof body corrosive nature, so as to extend the service life of guide pillar 91, the top of contrast pipe 71 stretches out in closure 9 successively With the top of positioning drawing plate 10.

Operation principle：In use, user can directly carry the demonstrator by holding rod 31, should using supporting leg 21 Demonstrator is directly placed in desktop or ground, and two groups of pellicles 6 are corresponded to respectively and extend into the first fluid reservoir 11 and the second liquid storage In tank 12, contrast funnel 7 is then placed in the top of pellicle 6, two kinds of solution are added to the first liquid storage by liquid-feeding tube 3 respectively In the fluid reservoir 12 of tank 11 and second, so as to carry out contrast permeability test, the quick directly observation contrast funnel 7 of graduated scale 8 is utilized With the liquid level rising situation in contrast pipe 71.

In summary：Closure 9, guide pillar 91 and positioning drawing plate 10 that the utility model is used, can firmly be pulled and supported pair Than funnel 7 and contrast pipe 71 so that contrast funnel 7 and contrast pipe 71 are when long-time is used all the time in the firm shape of balance State, is greatly improved contrast funnel 7 and the overall structural soundness of contrast pipe 71, effectively prevents contrast funnel 7 and contrast to manage 71 occur rocking crooked situation when in use, are conducive to carrying out contrast permeability test using the demonstrator, in matching somebody with somebody for liquid-feeding tube 3 Under conjunction, different solution can be promptly injected into the demonstrator, and pass through graduated scale 8, the first fluid reservoir 11 and the second storage The cooperation of flow container 12, quick in a short time can significantly check that contrast funnel 7 passes through pellicle 6 with solution in contrast pipe 71 The phenomenon that liquid level rises, is easy to quickly carry out contrast permeability test using the demonstrator, is conducive to student to carry out Senior Biology pair Than the study of permeability test, understand the effect of pellicle 6, solve contrast funnel 7 and contrast pipe 71 when in use easily outside Occur rocking crooked situation under power effect, cause the problem of demonstrator quickly smoothly can not carry out contrast permeability test.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of Senior Biology contrasts permeation test demonstrator, including demonstrator main body (1), it is characterised in that：The demonstrator Main body (1) is made up of the first fluid reservoir (11) and the second fluid reservoir (12), and the bottom of demonstrator main body (1) is fixedly connected with base station (2), the side of first fluid reservoir (11) and the second fluid reservoir (12) is respectively connected with discharging tube (4), the first fluid reservoir (11) Liquid-feeding tube (3) is respectively connected with positioned at discharging tube (4) top position with the side of the second fluid reservoir (12), the liquid-feeding tube (3) Side is connected with holding rod (31), and the front of first fluid reservoir (11) and the second fluid reservoir (12) is equipped with graduated scale (8), Pellicle (6) is installed on above the bearing piece (5) that the inner tank wall of first fluid reservoir (11) and the second fluid reservoir (12) is respectively connected with, The inner chamber of first fluid reservoir (11) and the second fluid reservoir (12) is connected with the contrast funnel (7) above pellicle (6), The top of the contrast funnel (7) is provided with closure (9) provided with contrast pipe (71), the top of the demonstrator main body (1)；It is described Vertically pacify both sides at the top of outer tube wall activity grafting of the lid both sides of closure (9) with liquid-feeding tube (3), closure (9) Guide pillar (91) outer surface being equipped with is connected with positioning drawing plate (10), and the top of the contrast pipe (71) stretches out in sealing successively Cover (9) and the top of positioning drawing plate (10).

2. a kind of Senior Biology contrast permeation test demonstrator according to claim 1, it is characterised in that：The liquid-feeding tube (3) the L-shaped structure of cross-sectional shape, and the outer surface of tube body of liquid-feeding tube (3) is provided with wearing layer.

3. a kind of Senior Biology contrast permeation test demonstrator according to claim 1, it is characterised in that：The base station (2) cross bar, and top and the demonstrator main body (1) of base station (2) are connected between the supporting leg (21) that the both sides of bottom are mounted on Beam is provided between bottom.

4. a kind of Senior Biology contrast permeation test demonstrator according to claim 1, it is characterised in that：The holding rod (31) body of rod outer surface is socketed with Anti-slip cover (312), and the side of holding rod (31) is fixedly connected with the collar (311), and the collar (311) it is socketed on the outer surface of tube body of liquid-feeding tube (3).

5. a kind of Senior Biology contrast permeation test demonstrator according to claim 1, it is characterised in that：The guide pillar (91) block (92) is fixedly connected with the top of, and the cartridge outer surface of guide pillar (91) is coated with waterproof layer.

6. a kind of Senior Biology contrast permeation test demonstrator according to claim 1, it is characterised in that：The positioning is drawn Middle part at the top of plate (10) is provided with pull bar (101), and the T-shaped structure of cross-sectional shape of pull bar (101).

7. a kind of Senior Biology contrast permeation test demonstrator according to claim 1, it is characterised in that：First storage Flow container (11) is made with the second fluid reservoir (12) using transparent material, and the first fluid reservoir (11) and the second fluid reservoir (12) inner tank wall is equipped with anticorrosive coat.