CN204034754U - New chemical experiment rack for test tube - Google Patents
New chemical experiment rack for test tube Download PDFInfo
- Publication number
- CN204034754U CN204034754U CN201420504750.8U CN201420504750U CN204034754U CN 204034754 U CN204034754 U CN 204034754U CN 201420504750 U CN201420504750 U CN 201420504750U CN 204034754 U CN204034754 U CN 204034754U
- Authority
- CN
- China
- Prior art keywords
- fixed head
- hole
- grafting
- test tube
- fixing plate
- 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
New chemical experiment rack for test tube, its composition comprises: first fixed head, middle fixing plate, tail fixed head, it is characterized in that: the right-hand end of described first fixed head has right semi-circle hole, the left end of described tail fixed head has left semicircle hole, the left end of described middle fixing plate has left semicircle hole, the right-hand end of described middle fixing plate has right semi-circle hole, described left semicircle hole connects left spliced eye, described right semi-circle hole connects right spliced eye, described left spliced eye grafting L shape grafting spacer, described L shape grafting spacer has interface, described right spliced eye grafting inverted L-shaped grafting spacer, described inverted L-shaped grafting spacer has grafting positioning port, the utility model is used for oral teaching.
Description
Technical field
the utility model relates to a kind of new chemical experiment rack for test tube.
Background technology
existing test-tube rack for chemical experiment structure is fixed, function singleness, is difficult to the requirement of experiment adapting to chemistry.
Summary of the invention
the purpose of this utility model is to provide one and is connected firmly, the new chemical experiment rack for test tube of accurate positioning, ease of assembly.
above-mentioned object is realized by following technical scheme:
a kind of new chemical experiment rack for test tube, its composition comprises: first fixed head, middle fixing plate, tail fixed head, the right-hand end of described first fixed head has right semi-circle hole, the left end of described tail fixed head has left semicircle hole, the left end of described middle fixing plate has left semicircle hole, the right-hand end of described middle fixing plate has right semi-circle hole, described left semicircle hole connects left spliced eye, described right semi-circle hole connects right spliced eye, described left spliced eye grafting L shape grafting spacer, described L shape grafting spacer has interface, described right spliced eye grafting inverted L-shaped grafting spacer, described inverted L-shaped grafting spacer has grafting positioning port, the interface described in vertical edge insertion of described inverted L-shaped grafting spacer, the grafting positioning port described in vertical edge insertion of described L shape grafting spacer, described L shape grafting spacer and described inverted L-shaped grafting spacer are by fixing through the screw lock in described right semi-circle hole and described left semicircle hole, the right side of described first fixed head is inlaid with magnetic sheet, left side and the right side of described middle fixing plate are inlaid with magnetic sheet, the left side of described tail fixed head is inlaid with magnetic sheet, described first fixed head, described middle fixing plate, connected by described magnetic sheet adhesive between described tail fixed head, described right semi-circle hole and described left semicircle hole all have internal thread, described right semi-circle hole and the female circular hole of described left semicircle hole composition band, described screw cover connects shell fragment, the two ends of described shell fragment all have barb, the right side in described right semi-circle hole has oblique locating hole, the left side in described left semicircle hole has oblique locating hole, described barb catches on described oblique locating hole respectively.
described new chemical experiment rack for test tube, the left end of described first fixed head has connecting thread hole, the right-hand end of described tail fixed head has connecting thread hole, described connecting thread hole connects pitman, described first fixed head, described middle fixing plate, described tail fixed head form test tube fixed head and test tube collet respectively, and described test tube fixed head and described test tube collet all have test tube interface.
beneficial effect:
1. the utility model adopts shell fragment, barb make the link position between first fixed head, middle fixing plate, tail fixed head accurate with coordinating of oblique locating hole, disengaging can not be produced, loosen phenomenon, the L shape grafting spacer adopted, inverted L-shaped grafting spacer, screw can make being connected firmly between first fixed head, middle fixing plate, tail fixed head, accurate positioning.
connected by magnetic sheet adhesive between first fixed head of the present utility model, middle fixing plate, tail fixed head, the connection strengthened between fixed head, middle fixing plate, tail fixed head again, connection tight, result of use is good.
the utility model, can be enough needing can to assemble by test tube number as required when using test tube, also there will not be unnecessary waste, easy to use, assembling speed is fast.
accompanying drawing illustrates:
accompanying drawing 1 is the structural representation of this product.
accompanying drawing 2 is front views of accompanying drawing 1.
accompanying drawing 3 is the partial enlarged drawings of A in accompanying drawing 1.
detailed description of the invention:
embodiment 1:
a kind of new chemical experiment rack for test tube, its composition comprises: first fixed head 1, middle fixing plate 2, tail fixed head 3, the right-hand end of described first fixed head has right semi-circle hole 4, the left end of described tail fixed head has left semicircle hole 5, the left end of described middle fixing plate has left semicircle hole, the right-hand end of described middle fixing plate has right semi-circle hole, described left semicircle hole connects left spliced eye 6, described right semi-circle hole connects right spliced eye 7, described left spliced eye grafting L shape grafting spacer 8, described L shape grafting spacer has interface 9, described right spliced eye grafting inverted L-shaped grafting spacer 10, described inverted L-shaped grafting spacer has grafting positioning port, the interface described in vertical edge insertion of described inverted L-shaped grafting spacer, the grafting positioning port described in vertical edge insertion of described L shape grafting spacer, described L shape grafting spacer and described inverted L-shaped grafting spacer are locked by the screw 11 through described right semi-circle hole and described left semicircle hole.
embodiment 2:
new chemical experiment rack for test tube described in embodiment 1, the right side of described first fixed head is inlaid with magnetic sheet 12, left side and the right side of described middle fixing plate are inlaid with magnetic sheet, the left side of described tail fixed head is inlaid with magnetic sheet, described first fixed head, described middle fixing plate, connected by described magnetic sheet adhesive between described tail fixed head, described right semi-circle hole and described left semicircle hole all have internal thread, described right semi-circle hole and the female circular hole of described left semicircle hole composition band, described screw cover connects shell fragment 13, the two ends of described shell fragment all have barb 14, the right side in described right semi-circle hole has oblique locating hole 15, the left side in described left semicircle hole has oblique locating hole, described barb catches on described oblique locating hole respectively.
embodiment 3:
new chemical experiment rack for test tube described in embodiment 2, the left end of described first fixed head has connecting thread hole, the right-hand end of described tail fixed head has connecting thread hole, described connecting thread hole connects pitman 16, described first fixed head, described middle fixing plate, described tail fixed head form test tube fixed head 17 and test tube collet 18 respectively, and described test tube fixed head and described test tube collet all have test tube interface 19.
Claims (2)
1. a new chemical experiment rack for test tube, its composition comprises: first fixed head, middle fixing plate, tail fixed head, it is characterized in that: the right-hand end of described first fixed head has right semi-circle hole, the left end of described tail fixed head has left semicircle hole, the left end of described middle fixing plate has left semicircle hole, the right-hand end of described middle fixing plate has right semi-circle hole, described left semicircle hole connects left spliced eye, described right semi-circle hole connects right spliced eye, described left spliced eye grafting L shape grafting spacer, described L shape grafting spacer has interface, described right spliced eye grafting inverted L-shaped grafting spacer, described inverted L-shaped grafting spacer has grafting positioning port, the interface described in vertical edge insertion of described inverted L-shaped grafting spacer, the grafting positioning port described in vertical edge insertion of described L shape grafting spacer, described L shape grafting spacer and described inverted L-shaped grafting spacer are by fixing through the screw lock in described right semi-circle hole and described left semicircle hole, the right side of described first fixed head is inlaid with magnetic sheet, left side and the right side of described middle fixing plate are inlaid with magnetic sheet, the left side of described tail fixed head is inlaid with magnetic sheet, described first fixed head, described middle fixing plate, connected by described magnetic sheet adhesive between described tail fixed head, described right semi-circle hole and described left semicircle hole all have internal thread, described right semi-circle hole and the female circular hole of described left semicircle hole composition band, described screw cover connects shell fragment, the two ends of described shell fragment all have barb, the right side in described right semi-circle hole has oblique locating hole, the left side in described left semicircle hole has oblique locating hole, described barb catches on described oblique locating hole respectively.
2. new chemical experiment rack for test tube according to claim 1, it is characterized in that: the left end of described first fixed head has connecting thread hole, the right-hand end of described tail fixed head has connecting thread hole, described connecting thread hole connects pitman, described first fixed head, described middle fixing plate, described tail fixed head form test tube fixed head and test tube collet respectively, and described test tube fixed head and described test tube collet all have test tube interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420504750.8U CN204034754U (en) | 2014-09-03 | 2014-09-03 | New chemical experiment rack for test tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420504750.8U CN204034754U (en) | 2014-09-03 | 2014-09-03 | New chemical experiment rack for test tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204034754U true CN204034754U (en) | 2014-12-24 |
Family
ID=52235464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420504750.8U Expired - Fee Related CN204034754U (en) | 2014-09-03 | 2014-09-03 | New chemical experiment rack for test tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204034754U (en) |
-
2014
- 2014-09-03 CN CN201420504750.8U patent/CN204034754U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20150903 |
|
| EXPY | Termination of patent right or utility model |