CN208494216U - Chemical laboratory reaction unit - Google Patents
Chemical laboratory reaction unit Download PDFInfo
- Publication number
- CN208494216U CN208494216U CN201821101831.8U CN201821101831U CN208494216U CN 208494216 U CN208494216 U CN 208494216U CN 201821101831 U CN201821101831 U CN 201821101831U CN 208494216 U CN208494216 U CN 208494216U
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- cup
- liquid
- valve body
- hole
- reaction
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Abstract
The utility model provides chemical laboratory reaction unit, including reaction cup, cup lid, liquid feeding component and mixing component；The cup lid is detachable to be installed in reaction cup；The liquid feeding component is located in reaction cup, is mounted on cup lid and the liquid outlet of liquid feeding component is towards reaction cup bottom；The liquid feeding component includes liquid storing cup and liquid-leakage preventing charging valve, and the liquid-leakage preventing charging valve is installed at the liquid storing cup liquid outlet of liquid storing cup bottom；The mixing component includes the agitating shaft and the blade that is set on agitating shaft across cup lid, which can open up liquid-leakage preventing charging valve under the action of agitating shaft, realize the liquid feeding into reaction cup.In the experimental provision of the present embodiment, reaction solution is all prepositioned in reaction cup, to efficiently avoid reaction liquid from polluting, leakage or the problems such as splash when sample-adding, operational safety is high, while substantially increasing efficiency of teaching.
Description
Technical field
The utility model relates to chemical experiment fields, and in particular to a kind of chemical laboratory reaction unit.
Background technique
In chemistry teaching, teacher generally requires to carry out experimental demonstration, mix instead wherein demonstrating a variety of chemical liquids
The traditional method answered is that first a kind of reaction solution is put into reaction cup, is then respectively adding other chemical liquids, and other
The mode poured into often by dropper or directly of mode that is added of chemical liquid, be all to be poured into reaction cup from outside
In, there are many drawbacks for this liquid feeding mode, are contaminated one is liquid is easy, the second is there is leakage risk, are easy to damage reality
Platform is tested, the third is being very easy to liquid splash occur if exothermic heat of reaction during liquid feeding, causing actual bodily harm, safe operation
Property is not high, the fourth is it is troublesome in poeration, it is not easy to classroom instruction.
Therefore, in order to more easily realize that chemical experiment demonstration is imparted knowledge to students, it is real to need to design a kind of chemistry safe and convenient
Test room reaction unit.
Utility model content
The chemical laboratory for carrying out chemical experiment demonstration teaching is facilitated to react in view of this, the present invention provides a kind of
Device, operational safety is high, while greatly increasing efficiency of teaching.
Chemical laboratory reaction unit provided by the utility model, including reaction cup, cup lid, liquid feeding component and stirring group
Part；
The cup lid is detachable to be installed in reaction cup；The liquid feeding component is located in reaction cup, is mounted on cup lid
And the liquid outlet of liquid feeding component is towards reaction cup bottom；
The liquid feeding component includes liquid storing cup and liquid-leakage preventing charging valve, and the liquid-leakage preventing charging valve is installed on liquid storing cup bottom
Liquid storing cup liquid outlet at；
The mixing component includes the agitating shaft and the blade that is set on agitating shaft across cup lid, which can stir
Liquid-leakage preventing charging valve is opened up under the action of axis, realizes the liquid feeding into reaction cup；
Further, the liquid-leakage preventing charging valve includes valve body and the core assembly positioned at valve inner；
The valve body includes upper valve body and lower valve body；The upper end of the upper valve body connects liquid storing cup liquid outlet, lower end connection
Lower valve body；Runner for fluid flow, and upper valve body runner and lower valve body runner are equipped in the upper valve body and lower valve body
It is interconnected；The lower valve body bottom is provided with the liquid outlet of connection lower valve body runner；
The core assembly includes spool, valve rod and baffle；The spool is set in upper valve body runner, for controlling
The on-off of valve flowing channel；Described valve rod one end connects spool, and the other end stretches out lower valve body and connect with baffle；The lower valve body bottom
Spring is provided between baffle, and valve rod is embedded in spring, when spool disconnects upper valve body runner, spring is in initial shape
State, baffle are in initial position；
Further, the upper valve body runner be opened up in upper valve body axially through and up big and down small stepped hole I, it is described
The upper end of I major diameter section of stepped hole connects liquid storing cup liquid outlet, and the spool is set in the major diameter section of stepped hole I, when initial, valve
Core is located at the hole shoulder of stepped hole I, and for preventing the flowing of liquid, the diameter of the valve rod is less than the straight of I path section of stepped hole
Diameter；
Further, offered in the lower valve body axially through and up big and down small stepped hole II, the stepped hole II it is big
The upper end of diameter section radially extends out the reaming to be formed for installing upper valve body, opens on the II major diameter section of stepped hole and lower valve body sidewall
If it is several axially through fluid hole be connected to, formed lower valve body runner；The valve rod is pierced by II path section of stepped hole connection gear
Plate is provided with sealing ring between II path section of the valve rod and stepped hole；
Further, the cup lid is threadedly coupled with reaction cup；The cup lid includes the inner cover and outer cover being threadedly coupled；
It covers in described equipped with liquid storing cup mounting hole and agitating shaft through hole I；It is provided at the top of the liquid storing cup to extension
The outer diameter of the cup edge stretched, the liquid storing cup cup body is identical as liquid storing cup mounting hole aperture, and the diameter of cup edge is pacified greater than liquid storing cup
Hole aperture is filled, makes liquid storing cup that can directly place installation in inner cover；The aperture of the agitating shaft through hole I is greater than the straight of agitating shaft
Diameter；
The outer cover is used to liquid storing cup compressing installation in inner cover, described outer to cover corresponding agitating shaft through hole I and be arranged
There is agitating shaft through hole II, is also equipped with rubber sheet gasket in outer cover；
Further, the liquid storing cup bottom is back taper bodily form funnel structure, and the funnel structure includes funnel bottle neck, the leakage
Bucket bottle neck is liquid storing cup liquid outlet, and the funnel bottle neck is connect with upper valve body threaded upper ends；
Further, the liquid feeding component is provided with 4 along cup lid is circumferentially distributed.
The utility model has the beneficial effects that
The utility model can ensure that the liquid of storage will not leak by installing liquid-leakage preventing charging valve in liquid storing cup bottom
Liquid before class can in advance pour into a kind of reaction solution in reaction cup cup body, by other reaction solution storage in liquid storing cup, test
When demonstration, so that the blade on agitating shaft is opened up charging valve by pulling up agitating shaft, can into reaction cup liquid feeding.This
In the experimental provision of embodiment, reaction solution is all prepositioned in reaction cup, to efficiently avoid reaction liquid from polluting, is added
Leakage or the problems such as splash when sample, operational safety is high, is very suitable to carry out experimental demonstration, while the preparation before testing
It is very simple, efficiency of teaching is substantially increased, the phenomenon that reaction cup can be transparent cup, facilitate observation of students experimentation.And
The experimental provision structure of the utility model is simple, and mixing component is also used as in addition to that can be stirred when reacting and carrying out
Open the tool of charging valve.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of liquid feeding component；
Fig. 3 is the cross-sectional view of part in dashed circle A in Fig. 2；
Fig. 4 is the structural schematic diagram of upper valve body；
Fig. 5 is the structural schematic diagram of lower valve body；
Fig. 6 is the structural schematic diagram of inner cover；
Fig. 7 is the structural schematic diagram of outer cover；
In figure:
1, reaction cup, 2, inner cover, 3, outer cover, 4, liquid storing cup, 5, agitating shaft, 6, blade, 7, liquid-leakage preventing charging valve；
21, agitating shaft through hole I, 22, liquid storing cup mounting hole；
31, agitating shaft through hole II；
41, cup edge, 42, liquid storing cup liquid outlet；
71, upper valve body, 72, lower valve body, 73, spool, 74, valve rod, 75, baffle, 76, spring, 77, fluid hole, 78, sealing
Circle.
Specific embodiment
Chemical laboratory reaction unit provided in this embodiment, including reaction cup 1, cup lid, liquid feeding component and stirring group
Part；
The cup lid is detachable to be installed in reaction cup 1；The liquid feeding component is located in reaction cup 1, is mounted on cup lid
Upper and liquid feeding component liquid outlet is towards 1 bottom of reaction cup；
The liquid feeding component includes liquid storing cup 4 and liquid-leakage preventing charging valve 7, and the liquid-leakage preventing charging valve 7 is installed on liquid storing cup 4
At the liquid storing cup liquid outlet 42 of bottom；
The mixing component includes the agitating shaft 5 and the blade 6 that is set on agitating shaft 5 across cup lid, which can be
Liquid-leakage preventing charging valve 7 is opened up under the action of agitating shaft 5, realizes the liquid feeding into reaction cup 1；The present embodiment passes through in liquid storing cup
4 bottoms installation liquid-leakage preventing charging valve 7 can ensure that leakage will not occur for the liquid of storage, before class can in advance fall a kind of reaction solution
Enter in 1 cup body of reaction cup, by other reaction solution storage in liquid storing cup 4, when experimental demonstration, by pulling up agitating shaft 5
So that the blade 6 on agitating shaft 5 is opened up charging valve, can into reaction cup 1 liquid feeding.In the experimental provision of the present embodiment, instead
Liquid is answered all to be prepositioned in reaction cup 1, to efficiently avoid reaction liquid from polluting, leakage or splashing etc. are asked when sample-adding
Topic, operational safety is high, is very suitable to carry out experimental demonstration, while the preparation before experiment is also very simple, greatly improves
The phenomenon that efficiency of teaching, reaction cup 1 can be transparent cup, facilitate observation of students experimentation.And the experiment dress of the present embodiment
It is simple to set structure, mixing component is also used as opening the tool of charging valve in addition to that can be stirred when reacting and carrying out.
In the present embodiment, the liquid-leakage preventing charging valve 7 includes valve body and 73 component of spool positioned at valve inner；
The valve body includes upper valve body 71 and lower valve body 72；The upper end of the upper valve body 71 connects liquid storing cup liquid outlet 42,
Lower end connects lower valve body 72；Runner for fluid flow, and upper valve body 71 are equipped in the upper valve body 71 and lower valve body 72
Runner and 72 runner of lower valve body are interconnected；72 bottom of lower valve body is provided with the liquid outlet of connection 72 runner of lower valve body；
73 component of spool includes spool 73, valve rod 74 and baffle 75；The spool 73 is set to 71 runner of upper valve body
It is interior, for controlling the on-off of 71 runner of upper valve body；Described 74 one end of valve rod connects spool 73, and the other end stretches out lower valve body 72 and gear
Plate 75 connects；It is provided with spring 76 between 72 bottom of lower valve body and baffle 75, and valve rod 74 is embedded in spring 76, works as valve
When core 73 disconnects 71 runner of upper valve body, spring 76 is in original state, and baffle 75 is in initial position；Blade 6 on agitating shaft 5
Baffle 75 can be pushed up under the action of agitating shaft 5, to push spool 73 open, realize the liquid feeding into reaction cup 1；The liquid-leakage preventing adds
7 structure of liquid valve is simple, it can be ensured that leakage will not occur for liquid, while can also store up to avoid the reaction liquid from polluting in reaction cup 1
Reaction solution in liquid cup 4 can also continue to the reaction solution in liquid storing cup 4 for next experiment.
In the present embodiment, 71 runner of upper valve body be opened up in upper valve body 71 axially through and up big and down small ladder
The upper end in hole I, the I major diameter section of stepped hole connects liquid storing cup liquid outlet 42, and the spool 73 is set to the major diameter section of stepped hole I
Interior, when initial, spool 73 is located at the hole shoulder of stepped hole I, and for preventing the flowing of liquid, the diameter of the valve rod 74 is less than rank
The diameter of terraced I path section of hole；
Offered in the lower valve body 72 axially through and up big and down small stepped hole II, the II major diameter section of stepped hole
Upper end radially extends out the reaming to be formed for installing upper valve body 71, opens up on the II major diameter section of stepped hole and 72 side wall of lower valve body
It is several axially through fluid hole 77 be connected to, form 72 runner of lower valve body, the fluid hole 77 is with 72 axial line of lower valve body
Center is in circumferentially distributed；The valve rod 74 is pierced by II path section of stepped hole connection baffle 75, and the valve rod 74 and stepped hole II are small
Sealing ring 78 is provided between diameter section；To avoid reaction solution in liquid storing cup 4 leakage can occur for this structure, while can be according to reality
It tests and needs to carry out liquid feeding.
In the present embodiment, the cup lid is threadedly coupled with reaction cup 1；The cup lid includes the inner cover 2 being threadedly coupled and outer
Lid 3；
The inner cover 2 is equipped with liquid storing cup mounting hole 22 and agitating shaft through hole I 21；It is provided at the top of the liquid storing cup 4
The outer diameter of outwardly extending cup edge 41,4 cup body of liquid storing cup is identical as 22 aperture of liquid storing cup mounting hole, and the diameter of cup edge 41
Greater than 22 aperture of liquid storing cup mounting hole, it place liquid storing cup 4 can directly and be mounted on inner cover 2；The agitating shaft through hole I 21
Aperture is greater than the diameter of agitating shaft 5；
The outer cover 3 is used to the compression of liquid storing cup 4 being mounted on inner cover 2, corresponds to agitating shaft through hole I on the outer cover 3
21 are provided with agitating shaft through hole II 31, are also equipped with rubber sheet gasket in outer cover 3；The cup lid of this structure facilitates carry out liquid storing cup
4 installation, threaded connection ensure to firmly install, and blade 6 is avoided to shake liquid storing cup 4 when pushing charging valve open upwards, and rubber pad
The setting of piece can squeeze tension to 4 cup edge 41 of liquid storing cup to avoid outer cover 3；The aperture of the agitating shaft through hole I 21, which is greater than, to be stirred
The diameter for mixing axis 5, which not only can be convenient, manually controls mixing component, while agitating shaft through hole I 21 is also used as reaction process
The outlet of middle heat and gas, student can recorde the taste for the gas that this hole comes out.
In the present embodiment, 4 bottom of liquid storing cup is back taper bodily form funnel structure, and the funnel structure includes funnel nozzle
Portion, the funnel bottle neck are liquid storing cup liquid outlet 42, and the funnel bottle neck is connect with 71 threaded upper ends of upper valve body；It is connected firmly, side
Just liquid feeding.
In the present embodiment, the liquid feeding component is provided with 4 along cup lid is circumferentially distributed, is convenient for the chemistry of plurality of liquid
Experiment, can place different reaction solutions in each liquid storing cup 4, and when operation only needs to operate the leaf of agitating shaft 5 as needed
Piece 6 opens the charging valve under different liquid storing cups 4；Liquid storing cup 4 can also be corresponded on the agitating shaft 5, and multiple stirrings are set
Blade 6, so as to realize while liquid feeding.These can be configured according to specific requirement of experiment.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (7)
1. a kind of chemical laboratory reaction unit, it is characterised in that: including reaction cup, cup lid, liquid feeding component and mixing component；
The cup lid is detachable to be installed in reaction cup；The liquid feeding component is located in reaction cup, is mounted on cup lid and adds
The liquid outlet of liquid component is towards reaction cup bottom；
The liquid feeding component includes liquid storing cup and liquid-leakage preventing charging valve, and the liquid-leakage preventing charging valve is installed on the storage of liquid storing cup bottom
At liquid cup liquid outlet；
The mixing component includes the agitating shaft and the blade being set on agitating shaft across cup lid, which can be in agitating shaft
Liquid-leakage preventing charging valve is opened up under effect, realizes the liquid feeding into reaction cup.
2. chemical laboratory reaction unit according to claim 1, it is characterised in that: the liquid-leakage preventing charging valve includes
Valve body and core assembly positioned at valve inner；
The valve body includes upper valve body and lower valve body；The upper end of the upper valve body connects liquid storing cup liquid outlet, and lower end connects lower valve
Body；Runner for fluid flow is equipped in the upper valve body and lower valve body, and upper valve body runner and lower valve body runner are mutual
Connection；The lower valve body bottom is provided with the liquid outlet of connection lower valve body runner；
The core assembly includes spool, valve rod and baffle；The spool is set in upper valve body runner, for controlling upper valve body
The on-off of runner；Described valve rod one end connects spool, and the other end stretches out lower valve body and connect with baffle；The lower valve body bottom and gear
Spring is provided between plate, and valve rod is embedded in spring, when spool disconnects upper valve body runner, spring is in original state,
Baffle is in initial position.
3. chemical laboratory reaction unit according to claim 2, it is characterised in that: the upper valve body runner is upper valve
Open up in vivo axially through and up big and down small stepped hole I, the upper end connection liquid storing cup of the I major diameter section of stepped hole go out liquid
Mouthful, the spool is set in the major diameter section of stepped hole I, and when initial, spool is located at the hole shoulder of stepped hole I, for preventing liquid
The flowing of body, the diameter of the valve rod are less than the diameter of I path section of stepped hole.
4. chemical laboratory reaction unit according to claim 3, it is characterised in that: offer axis in the lower valve body
To perforation and up big and down small stepped hole II, the upper end of the II major diameter section of stepped hole radially extends out to be formed for installing upper valve body
Reaming, open up in the II major diameter section of stepped hole and lower valve body sidewall it is several axially through fluid hole be connected to, under formation
Valve flowing channel；The valve rod is pierced by II path section of stepped hole connection baffle, is arranged between II path section of the valve rod and stepped hole
There is sealing ring.
5. chemical laboratory reaction unit according to claim 4, it is characterised in that: the cup lid and reaction cup screw thread
Connection；The cup lid includes the inner cover and outer cover being threadedly coupled；
It covers in described equipped with liquid storing cup mounting hole and agitating shaft through hole I；It is provided at the top of the liquid storing cup outwardly extending
The outer diameter of cup edge, the liquid storing cup cup body is identical as liquid storing cup mounting hole aperture, and the diameter of cup edge is greater than liquid storing cup mounting hole
Aperture makes liquid storing cup that can directly place installation in inner cover；The aperture of the agitating shaft through hole I is greater than the diameter of agitating shaft；
The outer cover is used to liquid storing cup compressing installation in inner cover, it is described it is outer cover corresponding agitating shaft through hole I and be provided with stir
Axis through hole II is mixed, is also equipped with rubber sheet gasket in outer cover.
6. chemical laboratory reaction unit according to claim 5, it is characterised in that: the liquid storing cup bottom is back taper
Bodily form funnel structure, the funnel structure include funnel bottle neck, the funnel bottle neck be liquid storing cup liquid outlet, the funnel bottle neck with
The connection of upper valve body threaded upper ends.
7. chemical laboratory reaction unit according to claim 6, it is characterised in that: the liquid feeding component is along cup lid week
Distribution is provided with 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821101831.8U CN208494216U (en) | 2018-07-11 | 2018-07-11 | Chemical laboratory reaction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821101831.8U CN208494216U (en) | 2018-07-11 | 2018-07-11 | Chemical laboratory reaction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208494216U true CN208494216U (en) | 2019-02-15 |
Family
ID=65284126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821101831.8U Expired - Fee Related CN208494216U (en) | 2018-07-11 | 2018-07-11 | Chemical laboratory reaction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208494216U (en) |
-
2018
- 2018-07-11 CN CN201821101831.8U patent/CN208494216U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20190711 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |