CN206911398U - A kind of chemical experiment teaching combination rack for test tube - Google Patents
A kind of chemical experiment teaching combination rack for test tube Download PDFInfo
- Publication number
- CN206911398U CN206911398U CN201720872786.5U CN201720872786U CN206911398U CN 206911398 U CN206911398 U CN 206911398U CN 201720872786 U CN201720872786 U CN 201720872786U CN 206911398 U CN206911398 U CN 206911398U
- Authority
- CN
- China
- Prior art keywords
- test tube
- fixedly connected
- casing
- tube clamp
- side wall
- 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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Abstract
The utility model discloses a kind of chemical experiment teaching combination rack for test tube, pass through pull handle, realize that test tube clamp skids off out of casing, the test tube conveniently taken on test tube clamp, while test tube clamp skids off casing, shelf also skids off out of casing, and shelf can be fixed by folding rack, then can be by beaker, the related experiment equipment such as alcolhol burner, which is placed on shelf, carries out chemical experiment teaching, due to the effect of rotating bar, make the height of shelf higher, the classmate of front and rear row can be made can understand convenient observational learning, and it can be coated with anti-corrosion material in glove plate surface, prevent the erosion in experimentation, without specially setting a testing stand, instruction cost can be reduced.
Description
Technical field
Technical field of teaching instruments is the utility model is related to, specially a kind of chemical experiment teaching combination rack for test tube.
Background technology
In process of general chemistry teaching is carried out, the instruments such as test tube, beaker are often used, in general teaching, test tube, burning
Cup, alcolhol burner often separated, not only need to carry the rack for test tube of holding test tubes in carrying process, also to carry and put
Put, the device of beaker, alcolhol burner.And for the area of some more remote backwardnesss, teaching facilities are relatively backward, can not realize
The condition that each student actually can contact or operate, it may be necessary to which teacher carries out lecture experiment on classroom, there may come a time when
Needing laboratory apparatus being placed into the high position of comparison makes the classmate of front and rear row to see.A kind of therefore, it is proposed that chemistry
Experimental teaching combination rack for test tube.
Utility model content
The purpose of this utility model is to provide a kind of chemical experiment teaching combination rack for test tube, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides following technical scheme：A kind of chemical experiment teaching combination test tube
Frame, including casing, the casing both sides are connected with test tube clamp by the first fixing axle, and the test tube clamp is upper and lower
Two pieces, and the first fixed both ends of the shaft extends through one jiao of upper and lower two pieces of test tube clamps and is fixedly connected on casing up and down on inwall,
It is fixed in the test tube clamp side wall above casing side and two pieces of test tube clamp remaining triangles are fixedly connected by connecting shaft
The second block is connected with, arc gear wheel, the arc-shaped gear are fixedly connected with the test tube clamp side wall of the side-lower of casing one
Wheel is connected with the first Knucle-gear, and first Knucle-gear is connected with second bevel gear by circular shaft, and the circular shaft is through the
One Knucle-gear is rotatably connected on bottom half inwall, and the second bevel gear, which engages, is connected with first bevel gear, and described first
Bevel gear is socketed in outside rotating shaft, and the rotating shaft is rotatably connected in the dead slot being opened on bottom plate around the second fixing axle, institute
State bottom plate both sides to be fixedly connected on the inwall of casing both sides, second fixed both ends of the shaft is fixedly connected on the dead slot inwall
On, the rotating shaft both ends are fixedly connected with rotating bar, and the rotating bar is hinged by fastener shaft and otic placode, solid above the otic placode
Surely shelf is connected with, notch is provided among the casing upper surface, the notch is interior to be connected with upper lid, institute by groove
State lid side wall both ends and be fixedly connected with spring, the spring other end is fixedly connected in pocket side wall, the upper base portion
Side is fixedly connected with the first block being engaged with the second block, and handle is fixedly connected with test tube clamp side wall above
Hand, underlying test tube clamp bottom are fixedly connected with folding rod, and the shelf bottom is fixedly connected with folding rack.
Preferably, the radius of turn phase of the radius of the arc gear wheel and test tube clamp axle centered on the first fixing axle
Together.
Preferably, the plate upper surface is provided with the groove placed for rotating bar.
Preferably, the upper lid side wall both ends are provided with the limited block being adapted with the groove being opened in pocket side wall.
Preferably, the test tube clamp side wall is connected with box inside wall magnetic.
Compared with prior art, the beneficial effects of the utility model are：The utility model realizes test tube by pull handle
Clamp skids off out of casing, the test tube conveniently taken on test tube clamp, while test tube clamp skids off casing, shelf also from
Skid off in casing, and shelf can be fixed by folding rack, then can be by the related tester such as beaker, alcolhol burner
Material, which is placed on shelf, carries out chemical experiment teaching, due to the effect of rotating bar, makes the height of shelf higher, before can making
The classmate of heel row can understand convenient observational learning.
Brief description of the drawings
Structural representation when Fig. 1 is expansion of the present utility model；
Structural representation when Fig. 2 is folding of the present utility model；
Fig. 3 is test tube clamp structure schematic diagram of the present utility model；
Elevational cross-sectional view when Fig. 4 is folding of the present utility model；
Fig. 5 is enlarged drawing at a in Fig. 4 of the present utility model；
Partial sectional view when Fig. 6 is folding of the present utility model；
Elevational cross-sectional view when Fig. 7 is expansion of the present utility model；
Fig. 8 is rotating bar of the present utility model and shelf connection diagram；
Fig. 9 is superstructure schematic diagram of the present utility model.
In figure：1st, casing, 101, notch, 2, upper lid, the 201, first block, 3, test tube clamp, 4, arc gear wheel, 5, connection
Axle, the 6, first fixing axle, the 7, second block, 8, handle, 9, shelf, 10, folding rod, 11, folding rack, 12, spring, 13,
Bottom plate, 14, rotating shaft, the 15, second fixing axle, 16, first bevel gear, 17, second bevel gear, the 18, first Knucle-gear, 19, rotate
Bar, 20, fastener shaft, 21, otic placode.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-9 are referred to, the utility model provides a kind of technical scheme：A kind of chemical experiment teaching combination rack for test tube,
Including casing 1, the both sides of casing 1 are connected with test tube clamp 3 by the first fixing axle 6, and the test tube clamp 3 is upper
Lower two pieces, test tube clamp 3 is by test tube putting hole holding test tubes, and the both ends of the first fixing axle 6 extend through two pieces of test tubes up and down
One jiao of clamp 3 is fixedly connected on casing about 1 on inwall, and test tube clamp 3 rotates around the first fixing axle 6, and two pieces of test tubes
Remaining triangle of clamp 3 is fixedly connected by connecting shaft 5, is fixedly connected with the side wall of test tube clamp 3 above the side of casing 1
Second block 7, arc gear wheel 4, the arc gear wheel 4 are fixedly connected with the side wall of test tube clamp 3 of the side-lower of casing 1 one
The first Knucle-gear 18 is connected with, in the rotation process of test tube clamp 3, arc gear wheel 4 drives the first Knucle-gear 18 to rotate, institute
State the first Knucle-gear 18 and second bevel gear 17 is connected with by circular shaft, the circular shaft is rotatably connected on case through the first Knucle-gear 18
In the bottom interior wall of body 1, the engagement of second bevel gear 17 is connected with first bevel gear 16, and second bevel gear 17 drives the first cone tooth
Wheel 16 is rotated, and the first bevel gear 16 is socketed in outside rotating shaft 14, and first bevel gear 16 drives rotating shaft 14 to rotate, the rotating shaft
14 are rotatably connected in the dead slot opened up on base 13 around the second fixing axle 15, and the both sides of bottom plate 13 are fixedly connected on case
On the both sides inwall of body 1, the both ends of the second fixing axle 15 are fixedly connected on the dead slot inwall, and the both ends of rotating shaft 14 are fixed
Rotating bar 19 is connected with, rotating shaft 14 drives rotating bar 19 to rotate, and the rotating bar 19 is be hinged by fastener shaft 20 and otic placode 21, institute
State the top of otic placode 21 and be fixedly connected with shelf 9, notch 101 is provided among the upper surface of casing 1, is led in the notch 101
Cross groove and be connected with lid 2, the upper side wall both ends of lid 2 are fixedly connected with spring 12, and the other end of spring 12 is fixed
It is connected in the side wall of notch 101, the upper bottom side of lid 2 is fixedly connected with the first block being engaged with the second block 7
201, the second block 7 collides the first block 201, and lid 2 separates with notch 101 in realization, and under the effect of spring 12, upper lid 2 is in groove
Slided in mouth 101 and expose notch 101, realize that shelf 9 skids off out of casing 1, in the side wall of test tube clamp 3 above
Handle 8 is fixedly connected with, the underlying bottom of test tube clamp 3 is fixedly connected with folding rod 10, realizes test tube clamp 3 from casing
Support after being screwed out in 1 with experimental bench is fixed, and the bottom of shelf 9 is fixedly connected with folding rack 11, realizes that shelf 9 revolves
Go out the support after casing 1 with the upper surface of casing 1 to fix.
Specifically, the rotation half of the radius of the arc gear wheel 4 and the axle centered on the first fixing axle 6 of test tube clamp 3
Footpath is identical, realizes test tube clamp 3 in rotary course, and arc gear wheel 4 engages with the first Knucle-gear 18.
Specifically, the upper surface of bottom plate 13, the groove placed for rotating bar 19 is provided with the side wall of upper lid 2, to carry
High stability.
Specifically, the side wall of upper lid 2 is spacing provided with being adapted with the groove being opened in the side wall of notch 101
Block, the fixation of lid 2 and notch 101 in realization.
Specifically, the side wall of test tube clamp 3 is connected with the madial wall magnetic of casing 1, prevents transportation pilot scale pipe clamp
Plate 3 slides out of casing 1, causes test tube to crush.
Operation principle：During original state, it is an entirety that test tube clamp 3, shelf 9, which are respectively positioned in casing 1, convenience in transport
With taking and placing, the handle 8 on the both sides test tube clamp 3 of casing 1 is pulled when being shown, is made during test tube clamp 3 is with the first fixing axle 6
Mandrel moves in a circle and skidded off out of casing 1, opens the folding rod 10 of the bottom of test tube clamp 3, makes test tube clamp 3 and experimental bench
Or dais is relatively fixed, in the rotary course of test tube clamp 3, the second block 7 collides with the first block 201, so that on upper lid 2
Limited block and the side grooves of notch 101 in limited block depart from, lid 2 separates with notch 101 in realizations, in the elastic force of spring 12 work
Under, upper lid 2 slides along notch 101 and exposes notch 101, and after notch 101 exposes, upper lid 2 passes through limited block and notch 101
It is fixedly connected, while under the drive of test tube clamp 3, arc gear wheel 4 engages with the first Knucle-gear 18 and drives the first Knucle-gear 18
Rotate, so as to realize that second bevel gear 17 drives first bevel gear 16 to rotate, under the drive of first bevel gear 16, rotating shaft 14 drives
Rotating bar 19 rotates around the second fixing axle 15, so as to realize that rotating bar 19 drives shelf 9 to rise from the internal rotation of casing 1, when
After rotating bar 19 is connected to the groove in the side wall of lid 2 Nei, struts folding rack 11 and be fixed on the upper surface of casing 1, realization is put
The fixation of thing plate 9, its height in the case where folding rack and rotating bar 19 support of shelf 9 is higher, has both provided an experiment shows
For platform to add displaying height, what the convenient classmate during teaching experiment, being sitting in below can also will be apparent that sees experiment
Phenomenon；
Terminate in use, respectively folding the folding rack 11 of the folding rod 10 of the bottom of test tube clamp 3, the bottom of shelf 9
Get up, promote handle 8, make in the precession casing 1 of test tube clamp 3, and be fixedly connected by magnetic material with the inwall of casing 1, prevented
Transportation pilot scale pipe clamp plate 3 slides out of casing 1, causes test tube to crush, during the precession casing 1 of test tube clamp 3, arc
Shape gear 4 makes rotating shaft 14 drive rotating bar 19 to rotate, so that rotating bar 19 drives the rotation of shelf 9 to drop in casing 1, pushes away
Dynamic upper lid 2, makes lid 2 slide simultaneously extrusion spring 12 along the opposite direction of notch 101, until upper lid 2 is connected by limited block and notch 101
Connect, the utility model can be coated with anti-corrosion material on the surface of shelf 9, the erosion in experimentation be prevented, without special
One testing stand is set, instruction cost can be reduced.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of chemical experiment teaching combination rack for test tube, including casing (1), it is characterised in that：Casing (1) both sides are logical
Cross the first fixing axle (6) and be connected with test tube clamp (3), the test tube clamp (3) is upper and lower two pieces, and the first fixing axle
(6) both ends extend through one jiao of two pieces of test tube clamps (3) up and down and are fixedly connected on casing (1) up and down on inwall, and two pieces of examinations
Pipe clamp plate (3) remaining triangle is fixedly connected by connecting shaft (5), in test tube clamp (3) side wall above casing (1) side
The second block (7) is fixedly connected with, arc-shaped gear is fixedly connected with test tube clamp (3) side wall of the side-lower of casing (1) one
Take turns (4), the arc gear wheel (4) is connected with the first Knucle-gear (18), and first Knucle-gear (18) is connected by circular shaft
There is second bevel gear (17), the circular shaft is rotatably connected in casing (1) bottom interior wall through the first Knucle-gear (18), and described
Two bevel gears (17) engagement is connected with first bevel gear (16), and the first bevel gear (16) is socketed in rotating shaft (14) outside, institute
State rotating shaft (14) to be rotatably connected in the dead slot being opened on bottom plate (13) around the second fixing axle (15), the bottom plate (13) two
Side is fixedly connected on the inwall of casing (1) both sides, and the second fixing axle (15) both ends are fixedly connected on the dead slot inwall,
Rotating shaft (14) both ends are fixedly connected with rotating bar (19), and the rotating bar (19) is cut with scissors by fastener shaft (20) and otic placode (21)
Connect, be fixedly connected with shelf (9) above the otic placode (21), notch (101), institute are provided among casing (1) upper surface
To state in notch (101) and upper lid (2) is connected with by groove, described upper lid (2) side wall both ends are fixedly connected with spring (12),
Spring (12) other end is fixedly connected in notch (101) side wall, and described upper lid (2) bottom side is fixedly connected with and the
The first block (201) that two blocks (7) are engaged, handle (8) is fixedly connected with test tube clamp (3) side wall above,
Underlying test tube clamp (3) bottom is fixedly connected with folding rod (10), and shelf (9) bottom is fixedly connected with folding
Support (11).
A kind of 2. chemical experiment teaching according to claim 1 combination rack for test tube, it is characterised in that：The arc gear wheel
(4) radius is identical with the radius of turn of test tube clamp (3) axle centered on the first fixing axle (6).
A kind of 3. chemical experiment teaching according to claim 1 combination rack for test tube, it is characterised in that：The bottom plate (13)
Upper surface is provided with the groove placed for rotating bar (19).
A kind of 4. chemical experiment teaching according to claim 1 combination rack for test tube, it is characterised in that：The upper lid (2)
Side wall both ends are provided with the limited block being adapted with the groove being opened in notch (101) side wall.
A kind of 5. chemical experiment teaching according to claim 1 combination rack for test tube, it is characterised in that：The test tube clamp
(3) side wall is connected with casing (1) madial wall magnetic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720872786.5U CN206911398U (en) | 2017-07-18 | 2017-07-18 | A kind of chemical experiment teaching combination rack for test tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720872786.5U CN206911398U (en) | 2017-07-18 | 2017-07-18 | A kind of chemical experiment teaching combination rack for test tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206911398U true CN206911398U (en) | 2018-01-23 |
Family
ID=61347421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720872786.5U Expired - Fee Related CN206911398U (en) | 2017-07-18 | 2017-07-18 | A kind of chemical experiment teaching combination rack for test tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206911398U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110787858A (en) * | 2019-12-20 | 2020-02-14 | 陕西易莱德新材料科技有限公司 | Multipurpose chemical experiment instrument support |
| CN114210385A (en) * | 2021-12-17 | 2022-03-22 | 江西星亮校具有限公司 | Teacher podium is used in chemistry experiment room |
-
2017
- 2017-07-18 CN CN201720872786.5U patent/CN206911398U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110787858A (en) * | 2019-12-20 | 2020-02-14 | 陕西易莱德新材料科技有限公司 | Multipurpose chemical experiment instrument support |
| CN114210385A (en) * | 2021-12-17 | 2022-03-22 | 江西星亮校具有限公司 | Teacher podium is used in chemistry experiment room |
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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: 20180123 Termination date: 20180718 |