CN206192826U

CN206192826U - Novel surface tension experiment device

Info

Publication number: CN206192826U
Application number: CN201621252589.5U
Authority: CN
Inventors: 吴楠
Original assignee: Tangshan University
Current assignee: Tangshan University
Priority date: 2016-11-17
Filing date: 2016-11-17
Publication date: 2017-05-24
Anticipated expiration: 2026-11-17

Abstract

The utility model discloses a novel surface tension experiment device, including the pressure bottle, at the sealed mouth -piece that is provided with of bottleneck of pressure bottle, the micropressure difference measuring apparatu is connected to the mouth -piece, the bottleneck and the dropping liquid of pressure leak sealing connection, the bottle end at the pressure bottle is provided with the leakage fluid dram. The pressure bottle still is provided with the overflow pipe, overflow catheter insertion pressure bottle bottom, the height that highly is less than the leakage fluid dram of port under the overflow pipe, the height that highly is less than the mouth -piece export of port on the overflow pipe. The utility model discloses a set up the overflow pipe, can simply effectually prevent that pressure bottle liquid from getting into the micropressure difference measuring apparatu, guaranteed that the instrument is long -term safe in utilization accurate with data, extracts the dropping funnel when having avoided the drainage simultaneously.

Description

A kind of novel surface tension force experimental provision

Technical field

The utility model belongs to surface tension of liquid detection means technical field, relates in particular to a kind of novel surface Power experimental provision pressure.

Background technology

Conventional surface tension force experimental provision is made up of pressure bottle, slight pressure difference measurement system and stalagmometry pipe.Using In be easy to instill excessive liquid from dropping funel to pressure bottle, make liquid cause measurement inaccurate into slight pressure difference measurement system Or even instrument damage.Meanwhile, pressure bottle draining needs to extract dropping funel, easily causes glass apparatus damage.

The content of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of novel surface tension force experimental provision, It can prevent pressure bottle liquid from entering slight pressure difference measurement system with simple and effective, it is ensured that instrument long-term use safety and data are accurate Really, while extracting dropping funel when avoiding draining.

The utility model is achieved through the following technical solutions：

A kind of novel surface tension force experimental provision, including pressure bottle, mouthpiece is provided with the bottle sealing of pressure bottle, is connect Mouth pipe outlet connection slight pressure difference measurement system；The bottleneck of pressure bottle is tightly connected with dropping funel；It is provided with the bottom of bottle of pressure bottle Leakage fluid dram；

The pressure bottle is additionally provided with overflow conduit, overflow conduit insertion pressure bottle bottom, the height of overflow conduit lower port , less than the height of leakage fluid dram, the height of overflow conduit upper port is less than the height that mouthpiece is exported for degree.

In the above-mentioned technical solutions, leakage fluid dram is provided with valve.

In the above-mentioned technical solutions, the height of leakage fluid dram 5-20mm higher than the lower port of overflow conduit.

In the above-mentioned technical solutions, the height 5-20mm higher than the upper port of overflow conduit of the mouthpiece outlet.

In the above-mentioned technical solutions, the bottleneck of pressure bottle is provided with sealing-plug, the leakage of the mouthpiece, overflow conduit and dropping liquid Struggle against to run through and be sealingly disposed in sealing-plug.

Advantage of the present utility model and have the beneficial effect that：

After using said apparatus, when pressure bottle liquid is excessive, liquid flows out from the upper port of overflow conduit first, effectively Prevent liquid from flowing into slight pressure difference measurement system from mouthpiece, cause instrument damage；The excessive water of pressure bottle is discharged simultaneously, it is only necessary to Open leakage fluid dram, it is not necessary to unplug dropping funel, effectively prevent glass apparatus damaged.In discharge opeing, because overflow is led The height of infratubal port is less than the height of leakage fluid dram, so after opening leakage fluid dram, can remain with remaining liq desert and cross overflow conduit Lower port, (eliminates and liquid is instilled into pressure bottle from dropping funel again makes in order to the reusing of surface tension measuring instrument Link of the liquid levels higher than overflow conduit lower port in pressure bottle).

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

Wherein：1- dropping funels；2- pressure bottles；3- leakage fluid drams；4- mouthpieces；5- overflow conduits；6- sealing-plugs；7- minute-pressures Difference measuring instrument.

Specific embodiment

The technical solution of the utility model is further illustrated with reference to specific embodiment.

Referring to accompanying drawing 1, a kind of novel surface tension force experimental provision, including pressure bottle 2 set in the bottle sealing of pressure bottle 2 It is equipped with mouthpiece 4, the connection slight pressure difference measurement system 7 of mouthpiece 4；The bottleneck of pressure bottle 2 is tightly connected with dropping funel 1；In pressure The bottom of bottle of bottle is provided with leakage fluid dram 3, and leakage fluid dram 3 is provided with valve；

The pressure bottle 2 is additionally provided with overflow conduit 5, the insertion pressure bottle 2 of overflow conduit 5 bottom, the lower port of overflow conduit 5 Height of the height less than leakage fluid dram 3, the height of the height of overflow conduit upper port less than the outlet of mouthpiece 4.

The height of the leakage fluid dram 3 5-20mm higher than the lower port of overflow conduit 5；

The height 5-20mm higher than the upper port of overflow conduit 5 of the outlet of the mouthpiece 4；

The bottleneck of pressure bottle 2 is provided with sealing-plug 6, and the mouthpiece 4, overflow conduit 5 and dropping funel 1 are through sealing It is arranged in sealing-plug 6.

When using, the valve of leakage fluid dram 3 is closed, liquid is instilled into pressure bottle 2, liquid levels in pressure bottle 2 from dropping funel 1 (after the lower port water seal of overflow conduit, water seal can be kept later), surface tension experiment dress higher than after the lower port of overflow conduit 5 Putting can be with normal work.

Dropping funel 1 instills pressure bottle 2 for surface tension measuring instrument provides pressure, due to overflow conduit 5 and atmosphere, And the height of overflow conduit upper port is less than the height of the outlet of mouthpiece 4, so when the liquid level in pressure bottle 2 is too high, overflow Conduit 5 has liquid to flow out automatically, reduces the liquid level in pressure bottle 2, prevents liquid from entering micro-pressure-difference from the outlet of mouthpiece 4 and surveys Amount instrument 7, and remind and open excessive liquid in leakage fluid dram 3 discharge pressure bottle 2.In discharge opeing, due to the lower port of overflow conduit 5 Highly less than the height of leakage fluid dram 3, so after opening leakage fluid dram 3, remaining liq desert can be remained with and cross the lower port of overflow conduit 5, (eliminate and liquid is instilled into pressure bottle 2 from dropping funel 1 again make pressure bottle in order to the reusing of surface tension measuring instrument Link of the liquid levels higher than the lower port of overflow conduit 5 in 2).

This specific embodiment can effectively prevent pressure bottle liquid flow from entering slight pressure difference measurement system, it is ensured that data are accurate, prevent Measuring instrument is damaged, and simplifies drain step.

Exemplary description is done to the utility model above, it should explanation, do not departed from core of the present utility model In the case of the heart, any simple deformation, modification or other skilled in the art can not spend creative work etc. Protection domain of the present utility model is each fallen within replacing.

Claims

1. a kind of novel surface tension force experimental provision, it is characterised in that：Including pressure bottle, it is provided with the bottle sealing of pressure bottle Mouthpiece, the outlet connection slight pressure difference measurement system of mouthpiece；The bottleneck of pressure bottle is tightly connected with dropping funel；In pressure bottle Bottom of bottle is provided with leakage fluid dram；

The pressure bottle is additionally provided with overflow conduit, and overflow conduit insertion pressure bottle bottom, the height of overflow conduit lower port is low In the height of leakage fluid dram, the height of the height less than mouthpiece outlet of overflow conduit upper port.

2. novel surface tension force experimental provision according to claim 1, it is characterised in that：Leakage fluid dram is provided with valve.

3. novel surface tension force experimental provision according to claim 1, it is characterised in that：The height of the leakage fluid dram is than overflowing The lower port 5-20mm high of conductance pipe.

4. novel surface tension force experimental provision according to claim 1, it is characterised in that：The height of the mouthpiece outlet 5-20mm higher than the upper port of overflow conduit.

5. novel surface tension force experimental provision according to claim 1, it is characterised in that：The bottleneck of pressure bottle is provided with close Blocking, the mouthpiece, overflow conduit and dropping funel are through being sealingly disposed in sealing-plug.