CN205684083U - A kind of chemistry teaching test tube rack - Google Patents

A kind of chemistry teaching test tube rack Download PDF

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Publication number
CN205684083U
CN205684083U CN201620601850.1U CN201620601850U CN205684083U CN 205684083 U CN205684083 U CN 205684083U CN 201620601850 U CN201620601850 U CN 201620601850U CN 205684083 U CN205684083 U CN 205684083U
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CN
China
Prior art keywords
plate
fixing bar
base plate
test tube
fixing
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
Application number
CN201620601850.1U
Other languages
Chinese (zh)
Inventor
周夏禹
徐定仙
刘满珍
Original Assignee
周夏禹
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 周夏禹 filed Critical 周夏禹
Priority to CN201620601850.1U priority Critical patent/CN205684083U/en
Application granted granted Critical
Publication of CN205684083U publication Critical patent/CN205684083U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

nullThe utility model discloses a kind of chemistry teaching test tube rack,Including base plate、Middle plate、Upper plate and fixing bar,Described base plate top is provided with four groups of internal thread holes,And it is symmetrical in corner about base plate center,Described base plate upper left-hand is provided with big matrix pad,Described base plate bottom is provided with sucker,Described fixing bar is up-thin-low-thick structure,Described fixing bar top is provided with the first back-up ring,It is provided with the second back-up ring in the middle part of described fixing bar,Described bottom of fixed is provided with external screw thread,Described fixing bar is connected with base thread,Described upper plate is provided with four groups of fixing holes,And it is symmetrical in corner about upper plate center,Big manhole it is provided with on the left of described upper plate,Small circular through hole it is provided with on the right side of described upper plate,Described middle plate also is provided with four groups of fixing holes,And it is symmetrical in corner about Zhong Ban center,It is provided with big manhole on the left of described middle plate,Described middle plate right upper portion is provided with little matrix pad.Therefore, this utility model simple in construction, reasonable in design, there is social utility and be worth.

Description

A kind of chemistry teaching test tube rack
Technical field
This utility model belongs to chemistry teaching apparatus technical field, is specifically related to a kind of chemistry teaching test tube rack.
Background technology
Test tube rack is equipment conventional in chemical experiment, is used to put the utensil of test tube.The test tube rack of integral structure There is durable feature, but volume is deposited more greatly and taken up room, it has not been convenient to carry, and be easily damaged when carrying.
Utility model content
The purpose of this utility model is to provide a kind of chemistry teaching test tube rack, to solve to propose in above-mentioned background technology Problem.
For achieving the above object, this utility model following technical scheme of offer: a kind of chemistry teaching test tube rack, the end of including Plate, middle plate, upper plate and fixing bar, described base plate top is provided with four groups of internal thread holes, and divides in corner symmetry about base plate center Cloth, described base plate upper left-hand is provided with big matrix pad, and described base plate bottom is provided with sucker, and described fixing bar is up-thin-low-thick knot Structure, described fixing bar top is provided with the first back-up ring, is provided with the second back-up ring, outside described bottom of fixed is provided with in the middle part of described fixing bar Screw thread, described fixing bar is connected with base thread, and described upper plate is provided with four groups of fixing holes, and symmetrical in corner about upper plate center Distribution, is provided with big manhole, is provided with small circular through hole on the right side of described upper plate on the left of described upper plate, described middle plate also is provided with four groups Fixing hole, and symmetrical in corner about Zhong Ban center, is provided with big manhole on the left of described middle plate, on the right side of described middle plate on Portion is provided with little matrix pad.
Preferably, on described middle plate, the diameter of fixing hole is more than the diameter at least 5 millimeters of the first back-up ring.
Preferably, the described thin bar of fixing bar and the junction of thick bar are provided with as frustum cone structure.
Technique effect of the present utility model and advantage: this chemistry teaching test tube rack, upper plate, middle plate, base plate and fixing bar It is combined into a test tube rack entirety, threaded fixing bar, draws a circle to approve position upper plate and middle plate by the first back-up ring and second gear;Upper plate The big manhole that is provided with on the left of left side and middle plate, is used for placing large-scale test tube, the big matrix pad being provided with on the left of base plate for Protection test tube;The small circular through hole being provided with on the right side of upper plate is for placing small test tubes, and the little matrix pad being provided with on the right side of middle plate is used Protect small test tubes;The sucker being provided with bottom base plate, it is possible to make test tube rack will not touched drop in use;This chemistry is taught Test tube, is used by the assembling of upper plate, middle part, base plate and fixing bar, makes the dismounting function that test tube has, facilitate and take Band, and be hardly damaged at carrier;Therefore, this utility model simple in construction, reasonable in design, there is social utility and be worth.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is upper plate structural representation of the present utility model;
Fig. 3 is middle plate structure schematic diagram of the present utility model;
Fig. 4 is lower plate structure schematic diagram of the present utility model.
In figure: 1 base plate, 2 suckers, 3 fix bar, 31 external screw threads, 4 second back-up rings, plate in 5,6 upper plates, 7 first back-up rings, 8 solid Determine hole, 9 small circular through holes, 10 big manholes, 11 big matrix pads, 12 internal thread holes, 13 little matrix pads.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise The every other embodiment obtained, broadly falls into the scope of this utility model protection.
This utility model provides a kind of chemistry teaching test tube rack as shown in Fig. 1-4, including base plate 1, middle plate 5, on Plate 6 and fixing bar 3, described base plate 1 top is provided with four groups of internal thread holes 12, and symmetrical in corner about base plate 1 heart, described Base plate 1 upper left-hand is provided with big matrix pad 11, and described base plate 1 bottom is provided with sucker 2, and described fixing bar 3 is up-thin-low-thick knot Structure, the described fixing thin bar of bar 3 and the junction of thick bar are set to frustum cone structure, and described fixing bar 3 top is provided with the first back-up ring 7, It is provided with the second back-up ring 4 in the middle part of described fixing bar 3, bottom described fixing bar 3, is provided with external screw thread 31, described fixing bar 3 and base plate 1 spiral shell Stricture of vagina connects, and described upper plate 6 is provided with four groups of fixing holes 8, and symmetrical in corner about upper plate 6 center, sets on the left of described upper plate 6 Having big manhole 10, be provided with small circular through hole 9 on the right side of described upper plate 6, described middle plate 5 also is provided with four groups of fixing holes 8, and about Middle plate 5 center is symmetrical in corner, and on described middle plate 5, the diameter of fixing hole 8 is more than the diameter at least 5 millimeters of the first back-up ring 7, Being provided with big manhole 10 on the left of described middle plate 5, described middle plate 5 right upper portion is provided with little matrix pad 13.
This chemistry teaching test tube rack, base plate 1 is provided with internal thread hole 12, is provided with external screw thread 31, facilitates group bottom fixing bar 3 Dress;The first back-up ring 7 and the second back-up ring 4 that fixing bar 3 is provided with, plate 5 and upper plate 6 in being used for positioning, make upper plate 6, middle plate 5, the end Plate 1 and fixing bar 3 are combined into a test tube rack entirety, are provided with big manhole 10 on the left of upper plate 6, also are provided with big on the left of middle plate 5 Manhole 10, and the big manhole 10 of upper plate 6 and middle plate 5 is correspondingly arranged, and is provided with big matrix pad 11, greatly on the left of base plate 1 The test tube of type can be placed on the left side of test tube rack, the big matrix pad 11 of base plate 1, it is also possible to when user is not put down gently Time is effectively protected test tube;It is provided with small circular through hole 9 on the right side of upper plate 6, is provided with little matrix pad 13 on the right side of middle plate 5, in laboratory Small test tubes can be placed on the right side of test tube rack;This chemistry teaching test tube, by upper plate 6, middle plate 5, base plate 1 and fixing The assembling of bar 3 uses, and makes the dismounting function that test tube rack has, facilitates and carry, and be hardly damaged at carrier, base plate 1 end The sucker 2 that portion is provided with, it is possible to make test tube rack will not touched drop in use.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, it is not limited to this Utility model, although being described in detail this utility model with reference to previous embodiment, for those skilled in the art For, the technical scheme described in foregoing embodiments still can be modified by it, or to wherein portion of techniques feature Carry out equivalent, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all Within protection domain of the present utility model should be included in.

Claims (3)

1. a chemistry teaching test tube rack, including base plate (1), middle plate (5), upper plate (6) and fixing bar (3), it is characterised in that: Described base plate (1) top is provided with four groups of internal thread holes (12), and symmetrical in corner about base plate (1) center, described base plate (1) upper left-hand is provided with big matrix pad (11), and described base plate (1) bottom is provided with sucker (2), described fixing bar (3) be upper carefully Lower coarse-texture, described fixing bar (3) top is provided with the first back-up ring (7), and described fixing bar (3) middle part is provided with the second back-up ring (4), institute Stating fixing bar (3) bottom and be provided with external screw thread (31), described fixing bar (3) threadeds with base plate (1), and described upper plate (6) is provided with Four groups of fixing holes (8), and symmetrical in corner about upper plate (6) center, described upper plate (6) left side is provided with big manhole (10), described upper plate (6) right side is provided with small circular through hole (9), and described middle plate (5) also is provided with four groups of fixing holes (8), and about in Plate (5) center is symmetrical in corner, and described middle plate (5) left side is provided with big manhole (10), described middle plate (5) right upper portion It is provided with little matrix pad (13).
A kind of chemistry teaching test tube rack the most according to claim 1, it is characterised in that: the upper fixing hole of described middle plate (5) (8) diameter is more than the diameter at least 5 millimeters of the first back-up ring (7).
A kind of chemistry teaching test tube rack the most according to claim 1, it is characterised in that: the thin bar of described fixing bar (3) It is set to frustum cone structure with the junction of thick bar.
CN201620601850.1U 2016-06-20 2016-06-20 A kind of chemistry teaching test tube rack Expired - Fee Related CN205684083U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620601850.1U CN205684083U (en) 2016-06-20 2016-06-20 A kind of chemistry teaching test tube rack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620601850.1U CN205684083U (en) 2016-06-20 2016-06-20 A kind of chemistry teaching test tube rack

Publications (1)

Publication Number Publication Date
CN205684083U true CN205684083U (en) 2016-11-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620601850.1U Expired - Fee Related CN205684083U (en) 2016-06-20 2016-06-20 A kind of chemistry teaching test tube rack

Country Status (1)

Country Link
CN (1) CN205684083U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108620154A (en) * 2018-06-28 2018-10-09 许昌市建安区椹涧乡第二初级中学 A kind of chemistry teaching Multifunctional test tube rack

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108620154A (en) * 2018-06-28 2018-10-09 许昌市建安区椹涧乡第二初级中学 A kind of chemistry teaching Multifunctional test tube rack

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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
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161116

Termination date: 20170620