CN206152855U - Novel test -tube rack is used in teaching - Google Patents
Novel test -tube rack is used in teaching Download PDFInfo
- Publication number
- CN206152855U CN206152855U CN201620628977.2U CN201620628977U CN206152855U CN 206152855 U CN206152855 U CN 206152855U CN 201620628977 U CN201620628977 U CN 201620628977U CN 206152855 U CN206152855 U CN 206152855U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- test tube
- ring
- cavernosum
- retaining ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model discloses a novel test -tube rack is used in teaching, including body, brush barrel, test tube box, bottom plate seat, cylinder, retaining ring, cavernosum, its characterized in that: the body is the cuboid, and the body up end is equipped with brush barrel, and the terminal surface is equipped with test tube box before the body, and test tube box can follow the body through the spout pull, and there is a convex bottom plate seat body bottom surface, is equipped with fixed cylinder on the bottom plate seat, and the cylinder adopts the extending structure design, and the cylinder upper end is equipped with the retaining ring for the ball form on the cylinder, be equipped with the through -hole on the retaining ring, has the cavernosum at cylinder bottom surface cover, and the cavernosum is the ring describes, and the cavernosum diameter is greater than the retaining ring diameter.
Description
Technical field
The utility model is related to instructional technology field, and in particular to a kind of new teaching rack for test tube.
Background technology
Physics or chemical test class would generally be tested with test tube, the rack for test tube various structures for using in the past, but its
Action effect is often unsatisfactory, is that this has been specifically designed a kind of new rack for test tube according to my school laboratory experience, and satisfaction is done
The requirement of experiment.
Utility model content
The purpose of this utility model is to provide a kind of new teaching rack for test tube, test tube case can from body pull, while
Being provided with body can dry the cylinder of test tube, and moisture is absorbed by the sponge after its control water, and sponge does not extrude moisture and will not flow out
Pollution test stand, it is easy to operate.
To achieve these goals, the technical solution of employing is the utility model：
A kind of new teaching rack for test tube, including body 1, brush tube 2, test tube case 3, bottom block 4, cylinder 5, back-up ring 6,
Cavernous body 7, it is characterised in that：Body 1 is cuboid, and the upper surface of body 1 is provided with brush tube 2, and the front end face of body 1 is provided with test tube case
3, test tube case 3 can pass through chute pull from body 1, and there is the bottom block 4 of a protrusion bottom surface of body 1, and bottom block 4 is provided with solid
Fixed cylinder 5, cylinder 5 is designed using stretching structure, and the upper end of cylinder 5 is spherical shape, and back-up ring 6 is provided with cylinder 5,
Back-up ring 6 is provided with through hole, and in the bottom surface of cylinder 5 cavernous body 7 is cased with, and cavernous body 7 is annular shape, and cavernous body 7 is with diameter greater than back-up ring 6
Diameter.
The beneficial effect that the utility model can be produced：It is reasonable in design, simple structure, easy to use.
Description of the drawings
Accompanying drawing 1 is structural representation of the present utility model.
Specific embodiment
With reference to Fig. 1 illustrate present embodiment, a kind of new teaching rack for test tube, including body 1, brush tube 2, test tube case 3,
Bottom block 4, cylinder 5, back-up ring 6, cavernous body 7, it is characterised in that：Body 1 is cuboid, and the upper surface of body 1 is provided with brush tube
2, the front end face of body 1 is provided with test tube case 3, and test tube case 3 can pass through chute pull from body 1, and there is protrusion the bottom surface of body 1
Bottom block 4, bottom block 4 is provided with fixed cylinder 5, and cylinder 5 is designed using stretching structure, and the upper end of cylinder 5 is ball
Shape, is provided with back-up ring 6 on cylinder 5, and back-up ring 6 is provided with through hole, and in the bottom surface of cylinder 5 cavernous body 7 is cased with, and cavernous body 7 is circle
Ring-type, cavernous body 7 is with diameter greater than the diameter of back-up ring 6.
When using, test tube case can be in vivo pulled out from this, test tube can be placed in test tube case when doing experiment, on test tube case
Designed using Telescopic rod structure, the depth of test tube case can be changed, the cylinder being provided with the base of body protrusion can be to test tube
Control water is carried out, back-up ring is which is provided with, the through hole on back-up ring can cause water to be diverted on cavernous body and not pollution test stand.
Certainly, described above is not that, to restriction of the present utility model, the utility model is also not limited to the example above,
Change, remodeling, addition or replacement that those skilled in the art are made in essential scope of the present utility model, also should
Belong to protection domain of the present utility model.
Claims (1)
1. a kind of new teaching rack for test tube, including body（1）, brush tube（2）, test tube case（3）, bottom block（4）, cylinder
（5）, back-up ring（6）, cavernous body（7）, it is characterised in that：Body（1）For cuboid, body（1）Upper surface is provided with brush tube（2）,
Body（1）Front end face is provided with test tube case（3）, test tube case（3）Can be from body（1）It is upper to pass through chute pull, body（1）Bottom surface has one
The bottom block of individual protrusion（4）, bottom block（4）It is provided with fixed cylinder（5）, cylinder（5）Designed using stretching structure, circle
Cylinder（5）Upper end is spherical shape, in cylinder（5）It is provided with back-up ring（6）, back-up ring（6）Through hole is provided with, in cylinder（5）Bottom
Surface cover has cavernous body（7）, cavernous body（7）For annular shape, cavernous body（7）With diameter greater than back-up ring（6）Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620628977.2U CN206152855U (en) | 2016-06-23 | 2016-06-23 | Novel test -tube rack is used in teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620628977.2U CN206152855U (en) | 2016-06-23 | 2016-06-23 | Novel test -tube rack is used in teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206152855U true CN206152855U (en) | 2017-05-10 |
Family
ID=58646378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620628977.2U Expired - Fee Related CN206152855U (en) | 2016-06-23 | 2016-06-23 | Novel test -tube rack is used in teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206152855U (en) |
-
2016
- 2016-06-23 CN CN201620628977.2U patent/CN206152855U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20180623 |