CN108160138A - Senior middle school's experimental provision - Google Patents
Senior middle school's experimental provision Download PDFInfo
- Publication number
- CN108160138A CN108160138A CN201810040964.7A CN201810040964A CN108160138A CN 108160138 A CN108160138 A CN 108160138A CN 201810040964 A CN201810040964 A CN 201810040964A CN 108160138 A CN108160138 A CN 108160138A
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- Prior art keywords
- plate
- middle school
- clamping piece
- experimental provision
- beaker
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- 238000012360 testing method Methods 0.000 claims abstract description 47
- 238000005096 rolling process Methods 0.000 claims abstract description 31
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 239000011521 glass Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/06—Test-tube stands; Test-tube holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/20—Mixing the contents of independent containers, e.g. test tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
Abstract
The invention discloses a kind of senior middle school's experimental provisions, and including plate, connector and clamping piece, plate is used to be covered on the opening of beaker, and the central area of the plate is provided with a centre bore；Connector is connected on the centre bore, is provided with and is rolled hole, and the hole wall for rolling hole is located on a spherical surface；Test tube clamping part is provided on clamping piece, the outer wall of the clamping piece mutually agrees with the hole wall for rolling hole, and the clamping piece is connected to the rolling of its outer wall in the rolling hole.Senior middle school's experimental provision provided by the invention, plate is covered in the opening of beaker, and the central area of plate is connected on connector, and test tube is held on clamping piece, clamping piece rolling is connected on connector, and the operation of such one side plate, connector and clamping piece is more convenient quick；On the other hand test tube can be shaken by rolling clamping piece, without the oscillator device of profession, operation and structure are relatively simple.
Description
Technical field
The present invention relates to experimental facilities, and in particular to a kind of senior middle school's experimental provision.
Background technology
In the chemical experiment and Bioexperiment of senior middle school, beaker, test tube, glass tube are all common experimental provisions, wherein
In part operation, need by one end of test tube or glass tube it is lasting insertion beaker solution in, as chemistry in gas
During collection, heating water bath, oil bath heating wait and etc., in the phenomenon of osmosis observation in Bioexperiment, need a glass tube
It is inserted into the solution of beaker.In these operations, generally require hand-held test tube or glass tube so that one end be located in beaker or
Person is by the test tube clamping piece holding test tubes on iron stand so that one end is located in beaker.Iron stand is more heavy, test tube clamp
The clipping operation step of gripping member is also more complicated, therefore aforesaid operations are more inconvenient.
In further operation, for the different phase substances in thermally equivalent or mixing test tube, need to shake and try
Pipe or glass tube generally are equipped with oscillator device in more professional laboratory, are shaken by oscillator device to test tube
It swings, but most of senior middle school laboratories are difficult to be equipped with oscillator device, and student is needed manually to go to shake test tube, this to operate pole
It is undesirable for inconvenient and effect.
Invention content
The object of the present invention is to provide a kind of senior middle school's experimental provision, with the above-mentioned shortcoming in solution technology.
To achieve these goals, the present invention provides following technical solution：
A kind of senior middle school's experimental provision, including：
Plate, is used to be covered on the opening of beaker, and the central area of the plate is provided with a centre bore；
Connector is connected on the centre bore, is provided with and is rolled hole, and the hole wall for rolling hole is located at one
On spherical surface；
Clamping piece is provided with test tube clamping part, and the outer wall of the clamping piece mutually agrees with the hole wall for rolling hole,
The clamping piece is connected to the rolling of its outer wall in the rolling hole.
Above-mentioned senior middle school's experimental provision, the connector include block, along being circumferentially provided at least three on the block
A extension rod is provided at least three overlap joint slots on the plate, and each overlap joint slot is corresponded with each extension rod to be taken
It connects；
A safety clearance is provided between the hole wall of the edge of the block and the centre bore.
Above-mentioned senior middle school's experimental provision, the extension rod include connected radial overlap portion and axial support portion, the diameter
It is overlapped in the overlap joint slot to clinch, the block is supported in the top of the centre bore by the axial support portion；
The test tube clamping part is the first holding holes being set on the clamping piece, the apertures of the holding holes from for
It is sequentially reduced in face of the side of the beaker to the side away from the beaker, the first bullet is provided on the inner wall of the holding holes
Property pad；
Rolling fixed handle is additionally provided on the top surface of the clamping piece.
Above-mentioned senior middle school's experimental provision, the test tube clamping part are the second holding holes being set on the clamping piece, institute
The aperture for stating the second holding holes is sequentially increased from for facing the side of the beaker to away from the side of the beaker, and described
The second cushion is provided on the inner wall of two holding holes.
Above-mentioned senior middle school's experimental provision, second cushion include adjacent the first elastic portion and the second elastic portion,
In, first elastic portion, which is set in second holding holes, has larger radial dimension of one end, second elastic portion
Being set in second holding holes has the one end of smaller radial to size, and the elasticity modulus of second elastic portion is less than second
The elasticity modulus of elastic portion.
Above-mentioned senior middle school's experimental provision has the first deformation gap, institute between first cushion and the second cushion
It states and multiple second deformation gaps is provided on the second cushion.
Above-mentioned senior middle school's experimental provision further includes annular radial protrusion, the outer wall at least one at the clamping piece axial direction both ends
The annular radial protrusion is provided on person.
Above-mentioned senior middle school's experimental provision is additionally provided with axial annular projection on the plate, when the plate is covered on burning
When in the opening of cup, the axial direction annular projection is fitted on the inner wall or outer wall of the beaker opening.
Above-mentioned senior middle school's experimental provision, the marginal portion of the plate are provided with multiple fixing pieces, on each fixing piece
It obtains and is connected with radial bars, spring is socketed in each radial bars；
By multiple lug bosses, annularly arrangement forms the axial direction annular projection, and each lug boss is movably connected on described
On plate, each lug boss connects one to one with each radial bars.
Above-mentioned senior middle school's experimental provision, the fixing piece, radial bars and lug boss are four；
It further includes two and pulls component, each component that pulls includes hand lever and is connected on the hand lever
Two radial bars；
The hand lever is located at the outside of the plate, and the opposite sides that component is pulled described in two in the plate is symmetrical
Arrangement.
In the above-mentioned technical solutions, senior middle school's experimental provision provided by the invention, plate are covered in the opening of beaker, connection
The central area of plate is connected on part, test tube is held on clamping piece, and clamping piece rolling is connected on connector, such side
The operation of panel piece, connector and clamping piece is more convenient quick；On the other hand test tube can be shaken by rolling clamping piece,
Without the oscillator device of profession, operation and structure are relatively simple.
Description of the drawings
It in order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only one described in the present invention
A little embodiments for those of ordinary skill in the art, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of senior middle school's experimental provision that an embodiment of the present invention provides；
Fig. 2 is the structure diagram of senior middle school's experimental provision that another embodiment of the present invention provides；
Fig. 3 is the vertical view of senior middle school's experimental provision provided in an embodiment of the present invention；
Fig. 4 is the vertical view of plate provided in an embodiment of the present invention；
Fig. 5 is the vertical view of connector provided in an embodiment of the present invention；
Fig. 6 is the partial sectional view of plate provided in an embodiment of the present invention；
Fig. 7 is the sectional view of clamping piece that an embodiment of the present invention provides；
Fig. 8 is the sectional view of clamping piece that another embodiment of the present invention provides.
Reference sign：
1st, plate；1.1st, centre bore；1.2nd, slot is overlapped；2nd, connector；2.1st, block；2.2nd, extension rod；3rd, clamping piece；
3.1st, test tube clamping part；3.2nd, fixed handle is shaken；3.3rd, the first elastic portion；3.4th, the second elastic portion；3.5th, the first deformation gap；4、
Annular radial protrusion；5th, axial annular projection；6th, fixing piece；7th, radial bars；8th, spring；9th, hand lever；10th, beaker.
Specific embodiment
In order to which those skilled in the art is made to more fully understand technical scheme of the present invention, below in conjunction with attached drawing to this hair
It is bright to be further detailed.
In the embodiment of the present invention, axial, radial direction, top, bottom etc. the noun of locality are with senior middle school's experimental provision normal use shape
Beaker under state is reference, and axial is the axis direction of beaker, is radially the diametric(al) of beaker, the opening of beaker relative to
Bottom is top, and bottom is relative to being bottom for opening, the other nouns of locality.
As shown in figures 1-8, a kind of senior middle school's experimental provision provided in an embodiment of the present invention, including plate 1, connector 2 and
Clamping piece 3, plate 1 are used to be covered on the opening of beaker 10, and the central area of the plate 1 is provided with a centre bore 1.1；Even
Fitting 2 is connected on the centre bore 1.1, is provided with and is rolled hole, and the hole wall for rolling hole is located on a spherical surface；Folder
Test tube clamping part 3.1 is provided in gripping member 3, the outer wall of the clamping piece 3 mutually agrees with the hole wall for rolling hole, the clamping
Part 3 is connected to the rolling of its outer wall in the rolling hole.
Specifically, plate 1 is used to be covered on the opening of beaker 10 when in use, central area sets a centre bore
1.1, centre bore 1.1 is used to accommodate connector 2；Connector 2 is piece for providing an internal face, on connector 2
At least part of thickness is larger, such as larger than 3cm, is offered in the larger part of the thickness and rolls hole, and the hole wall for rolling hole is
A part for one spherical surface；Hole is rolled for accommodating clamping piece 3, a part for the outer wall of clamping piece 3 is also a part for spherical surface,
And the outer wall of clamping piece 3 is socketed on after rolling in hole and can roll, i.e. the radial ruler of the residing spherical surface of the outer wall of clamping piece 3
It is very little to be slightly less than the radial dimension for rolling the spherical surface residing for hole, test tube clamping part 3.1, test tube clamping are additionally provided on clamping piece 3
Portion 3.1 is used for holding test tubes, can be cavernous structure, can also refer to other test tube clamp structures in the prior art or
Glass pipe holding structure.
Senior middle school's experimental provision provided in an embodiment of the present invention, in use, first test tube is inserted on test tube clamping part 3.1, then
Plate 1, connector 2 and clamping piece 3 are placed on beaker 10, and plate 1 is covered in the opening of beaker 10, at this time
The bottom of test tube is located in beaker 10, and plate 1, connector 2 and clamping piece 3, which can be realized, to be assembled or directly take
It connects, reassembles when so using and also may be used.In the environment for only needing the bottom of test tube being placed into beaker 10 in solution, so
Corresponding operation can be completed.If further desirable for graduated cylinder is shaken, after the above procedure, clamping piece 3 can also be rolled manually,
Or the top of hand-held graduated cylinder is shaken, since the rolling of clamping piece 3 and connector 2 coordinates, graduated cylinder be free to shake,
So eliminate automatic oscillator device of the prior art.
Senior middle school's experimental provision provided in an embodiment of the present invention, plate 1 are covered in the opening of beaker 10, are connected on connector 2
The central area of plate 1 is connected to, test tube is held on clamping piece 3, and the rolling of clamping piece 3 is connected on connector 2, so on the one hand
The operation of plate 1, connector 2 and clamping piece 3 is more convenient quick；On the other hand examination can be shaken by rolling clamping piece 3
Pipe, without the oscillator device of profession, operation and structure are relatively simple.
In the present embodiment, further, the connector 2 includes block 2.1, along circumferentially disposed on the block 2.1
There are at least three extension rods 2.2, at least three overlap joint slots 1.2, each overlap joint slot 1.2 and each institute are provided on the plate 1
It states extension rod 2.2 and corresponds overlap joint；A safety is provided between the edge of the block 2.1 and the hole wall of the centre bore 1.1
Gap, block 2.1 are thicker part, are used to set rolling hole, block 2.1 passes through extension rod 2.2 and realizes and plate 1
Connection is provided with safety clearance between the outer rim of block 2.1 and the hole wall of centre bore 1.1, such one side block 2.1 is without straight
Collision plate 1 is connect, use is safer, and on the other hand, connector 2 is more convenient when being installed with plate 1, without fitting closely.
As shown in fig. 6, further, overlap joint slot 1.2 includes the entrance on top and the clamping portion of bottom end, the shape of clamping portion and extension
The shape of the end of bar 2.2 is identical, and entrance is the structure of size ratio clamping portion bigger, so when extension rod 2.2 is caught in, first
General alignment clamping portion, you can clamping portion is slipped by entrance, it is not only easy for installation, but also be clamped firm.
As shown in figure 8, in one embodiment of the present of invention, further, the extension rod 2.2 includes connected radial direction
Clinch and axial support portion, axial support portion refer to the knot that can support block 2.1 in 10 axial direction of beaker
Structure can be vertical rod piece or inclined rod piece, and the radial overlap portion is overlapped in the overlap joint slot 1.2,
The block 2.1 is supported in the top of the centre bore 1.1 by the axial support portion；The test tube clamping part 3.1 is sets
The first holding holes being placed on the clamping piece 3, the apertures of the holding holes is from for facing the side of the beaker 10 to the back of the body
Side from the beaker 10 is sequentially reduced, i.e. the first holding holes are smaller for top, the larger cavernous structure in bottom, the clamping
The first cushion is provided on the inner wall in hole；It is additionally provided on the top surface of the clamping piece 3 and shakes fixed handle 3.2, the first cushion
For providing resilient clamping force for holding test tubes, in the present embodiment, block 2.1 is placed in the top of plate 1, and by the first clamping
Hole is arranged to up-small and down-big structure, its role is to during, holding test tubes by test tube from the relatively major diameter of the bottom of the first holding holes
It is filled in one end of size, so only needs to fill in the sub-fraction of test tube, in addition, since position is higher, the shaking of test tube
Range can be with bigger.It can be rod piece or other structures held for hand to shake fixed handle 3.2, be used to hold Posterior circle
Clamping piece 3 is shaken to shake test tube, is so convenient for the significantly shaking of test tube.
As shown in fig. 7, in an alternative embodiment of the invention, further, the test tube clamping part 3.1 is is set to
The second holding holes on the clamping piece 3, the apertures of second holding holes is from for facing the side of the beaker 10 to the back of the body
Side from the beaker 10 is sequentially increased, and the second cushion is provided on the inner wall of second holding holes.It is provided with Fig. 8
Unlike embodiment, in the present embodiment, block 2.1 and clamping piece 3 are in same with plate 1 or are nearly at same height
On degree, meanwhile, the second holding holes for being used for the test tube clamped are up big and down small cavernous structure, such as the embodiment of Fig. 8 offers
On the contrary.Be arranged such when in use, test tube directly with its bottom by the second holding holes top larger radial dimension of one end
It fills in the second holding holes, shakes clamping piece 3 at this time so that the amplitude of test tube shaking is relatively small.
In the present embodiment, further, second cushion includes adjacent the first elastic portion 3.3 and the second elasticity
Portion 3.4, wherein, first elastic portion 3.3, which is set in second holding holes, has larger radial dimension of one end, described
Second elastic portion 3.4, which is set in second holding holes, has the one end of smaller radial to size, second elastic portion 3.4
Elasticity modulus be less than the second elastic portion 3.4 elasticity modulus, i.e. the second elastic portion 3.4 by uniform pressure amplitude of deformation more
Greatly, in size design, surround radial dimension of one section of the first elastic portion 3.3 is identical with the radial dimension of test tube, so exists
In use, all parts of the second elastic portion 3.4 deform, the part of the first elastic portion 3.3 deforms, and is use up for test tube
Amount provides larger extruding chucking power.Obvious, with reference to Fig. 8, for the first cushion, this compound elastic construction on
It is equally applicable.
In the present embodiment, further, there is the first deformation gap between first cushion and the second cushion
3.5, multiple second deformation gaps are provided on second cushion.First deformation gap 3.5 and the second deformation gap are convenient for
Second cushion is filled when deforming, and so reduces the resistance of the second cushion, increases contact of second cushion with test tube
Area so increases chucking power of second cushion to test tube.It is obvious, with reference to Fig. 8, for the first cushion on, this
The compound elastic construction of kind is equally applicable.
In various embodiments of the present invention, further, further include annular radial protrusion 4, the axial both ends of clamping piece 3 it is outer
Wall is provided with the annular radial protrusion 4 at least one, and the effect of annular radial protrusion 4 is, is prevented as position-limit mechanism
The rolling amplitude of clamping piece 3 is excessive, when clamping piece 3 roll amplitude it is excessive when, annular radial protrusion 4 can abut upper connector 2 and
It can not continue to increase rolling amplitude, so realize limiting.
In various embodiments of the present invention, further, axial annular projection 5 is additionally provided on the plate 1, when the plate
When part 1 is covered in the opening of beaker 10, the axial direction annular projection 5 fits in the inner wall or outer of 10 opening of beaker
On wall, axial annular projection 5 prevents from slidably reciprocating in its opening in beaker 10 during use for limiting plate 1.It is axial
Annular projection 5 can be a ring mechanism, such as cyclic annular plank, but it is preferable that axial annular projection 5 is in ring by multiple lug bosses
Shape arrangement composition, i.e., annularly arrangement is to form axial annular projection 5 for multiple lug bosses, at this point, the marginal portion of the plate 1
Multiple fixing pieces 6 are provided with, is obtained on each fixing piece 6 and is connected with radial bars 7, be socketed in each radial bars 7
Spring 8；Each lug boss is movably connected on the plate 1, and each lug boss and each radial bars 7 one are a pair of
Should connect, i.e., lug boss can beaker 10 radially compressed spring 8 and reciprocating movement so that lug boss can be clamped
In on different radial dimension of beakers 10.
In various embodiments of the present invention, further, the fixing piece 6, radial bars 7 and lug boss are four；Also
Component is pulled including two, each two institutes for pulling component and including hand lever 9 and being connected on the hand lever 9
State radial bars 7；The hand lever 9 is located at the outside of the plate 1, and component is pulled described in two opposite the two of the plate 1
Side is arranged symmetrically, and its role is in use, both hands pull open two hand levers 9 towards both sides, lug boss moves to plate 1
Maximum clamping size is realized in marginal portion, and set is connected on corresponding beaker 10 at this time, is unclamped again hand lever 9, is made in spring 8
It is abutted to lower convex portion on the outer wall of beaker 10, realizes and fix.So go mobile or control lug boss without individually single.
Above certain exemplary embodiments that the present invention is only described by way of explanation, undoubtedly, for ability
The those of ordinary skill in domain, without departing from the spirit and scope of the present invention, can be with a variety of different modes to institute
The embodiment of description is modified.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as to the present invention
The limitation of claims.
Claims (10)
1. a kind of senior middle school's experimental provision, which is characterized in that including：
Plate, is used to be covered on the opening of beaker, and the central area of the plate is provided with a centre bore；
Connector is connected on the centre bore, is provided with and is rolled hole, and the hole wall for rolling hole is located at a spherical surface
On；
Clamping piece is provided with test tube clamping part, and the outer wall of the clamping piece mutually agrees with the hole wall for rolling hole, described
Clamping piece is connected to the rolling of its outer wall in the rolling hole.
2. senior middle school's experimental provision according to claim 1, which is characterized in that the connector includes block, the block
On along at least three extension rods are circumferentially provided with, be provided at least three overlap joint slots on the plate, each overlap joint slot with
Each extension rod corresponds overlap joint；
A safety clearance is provided between the hole wall of the edge of the block and the centre bore.
3. senior middle school's experimental provision according to claim 2, which is characterized in that the extension rod includes connected radial overlap
Portion and axial support portion, the radial overlap portion are overlapped in the overlap joint slot, and the block passes through the axial support portion branch
It supports in the top of the centre bore；
The test tube clamping part is the first holding holes being set on the clamping piece, and the apertures of the holding holes is from for facing
The side of the beaker is sequentially reduced to the side away from the beaker, and the first elasticity is provided on the inner wall of the holding holes
Pad；
Rolling fixed handle is additionally provided on the top surface of the clamping piece.
4. senior middle school's experimental provision according to claim 1, which is characterized in that the test tube clamping part is is set to the folder
The second holding holes in gripping member, the apertures of second holding holes is from for facing the side of the beaker to away from the beaker
Side be sequentially increased, be provided with the second cushion on the inner wall of second holding holes.
5. senior middle school's experimental provision according to claim 4, which is characterized in that second cushion includes adjacent first
Elastic portion and the second elastic portion, wherein, first elastic portion, which is set in second holding holes, has larger radial dimension
One end, second elastic portion be set in second holding holes have the one end of smaller radial to size, second bullet
Property portion elasticity modulus be less than the second elastic portion elasticity modulus.
6. senior middle school's experimental provision according to claim 5, which is characterized in that first cushion and the second cushion it
Between there is the first deformation gap, be provided with multiple second deformation gaps on second cushion.
7. senior middle school's experimental provision according to claim 1, which is characterized in that further include annular radial protrusion, the clamping
The outer wall at part axial direction both ends is provided with the annular radial protrusion at least one.
8. senior middle school's experimental provision according to claim 1, which is characterized in that be additionally provided on the plate axial cyclic annular convex
It rises, when the plate is covered in the opening of beaker, the axial direction annular projection fits in the inner wall of the beaker opening
Or on outer wall.
9. senior middle school's experimental provision according to claim 8, which is characterized in that the marginal portion of the plate is provided with multiple
Fixing piece obtains on each fixing piece and is connected with radial bars, spring is socketed in each radial bars；
By multiple lug bosses, annularly arrangement forms the axial direction annular projection, and each lug boss is movably connected on the plate
On, each lug boss connects one to one with each radial bars.
10. senior middle school's experimental provision according to claim 9, which is characterized in that the fixing piece, radial bars and lug boss
It is four；
Further include two and pull component, it is each described pull component and include hand lever and be connected on the hand lever two
A radial bars；
The hand lever is located at the outside of the plate, and opposite sides symmetrical cloth of the component in the plate is pulled described in two
It puts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810040964.7A CN108160138B (en) | 2018-01-16 | 2018-01-16 | High school experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810040964.7A CN108160138B (en) | 2018-01-16 | 2018-01-16 | High school experimental apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108160138A true CN108160138A (en) | 2018-06-15 |
| CN108160138B CN108160138B (en) | 2021-03-02 |
Family
ID=62514994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810040964.7A Expired - Fee Related CN108160138B (en) | 2018-01-16 | 2018-01-16 | High school experimental apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108160138B (en) |
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| CN204074098U (en) * | 2014-05-07 | 2015-01-07 | 蔡昊 | Beaker with cover |
| CN205288494U (en) * | 2016-01-07 | 2016-06-08 | 马常水 | Pharmacy test tube heating support |
| CN206587777U (en) * | 2017-03-14 | 2017-10-27 | 宁波大学 | A kind of beaker for chemical experiments lid arrangement with article plummer |
| CN106943935A (en) * | 2017-05-04 | 2017-07-14 | 谷新运 | A kind of automatic oscillating uniform device of electromagnetic type laboratory test tube |
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|---|---|
| CN108160138B (en) | 2021-03-02 |
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