Summary of the invention
For above situation, to overcome the shortcomings of existing technologies, the present invention provides a kind of environmental protection test table, effective solution
Existing experimental bench is inconvenient to use when carrying out chemical experiment, occasions a delay on experiment, influences experiment effect and accuracy
The problems such as.
Its technical solution solved is that the present invention includes panel, is fixed with table leg on the downside of panel, is fixed on the panel
Rack for test tube, rack for test tube include frame body, and upper spacer, middle partition and lower clapboard are fixed on frame body, is evenly distributed on upper spacer and middle partition
Have multiple corresponding big holes up and down, offer on lower clapboard with the one-to-one small sircle hole of big hole, be provided on lower clapboard
With the one-to-one supporting block of big hole, supporting block vertical sliding in lower clapboard, small sircle hole is arranged in supporting block, constitutes small
Circular hole position can up and down adjustment structure;
The control cabinet being provided with below lower clapboard in frame body is rotatably connected in control cabinet horizontally slidable
Rotation axis, rotation axis outer circle are provided with different shape block, and supporting block contacts the structure for constituting supporting block oscilaltion with different shape block;
Different shape block includes successively spaced first protrusion, the first partes glabra, the first groove, the second partes glabra, second
Protrusion, the second groove and third partes glabra, the first groove and the second groove are identical and be circumferential groove, and the second protrusion is semicircle
All protrusions, the first protrusion are circumferential protrusion;
Rotation axis includes spaced apart first rotation axis and the second rotation axis, the first rotation axis and the second rotation axis it is outer
Contour line is identical, and the first rotation axis right end ball strand has a first connecting rod, and the right end of first connecting rod is hinged with the first turntable, and first
Connecting rod is hinged on the edge side of the first turntable, and the first turntable is coaxially connected with first bevel gear, and the second rotation axis right end ball strand has
Second connecting rod, the right end of second connecting rod are hinged with the second turntable, and second connecting rod is hinged on the edge side of the second turntable, the second turntable
Be coaxially connected with second bevel gear, horizontally slidable shaft be additionally provided in control cabinet, be provided in shaft third hand tap gear and
4th bevel gear, third hand tap gear engage simultaneously with first bevel gear, second bevel gear, third hand tap gear and the 4th bevel gear
Inside is the first ratchet, and multiple first pawls are hinged in shaft, is connected with the first spring on the outside of the first pawl, under the first spring
End is fixed in shaft, and the first pawl is stuck on the first ratchet, constitutes third hand tap gear and the 4th bevel gear when shaft rotates forward
Static structure when rotation, reversion;
It is slidably provided with first gear in first rotation axis, is slidably provided with the second tooth in the second rotation axis
The position of wheel, first gear and second gear does not correspond to, and third gear is additionally provided in shaft, and the inside of third gear is the second spine
It takes turns, multiple second pawls is hinged in shaft, are connected with second spring on the outside of the second pawl, second spring lower end is fixed on shaft
On, the second pawl is stuck on the second ratchet, the structure rotated when constituting third gear static when shaft rotates forward, reversion;
Shaft is slidably stretched out on the outside of control cabinet, and shaft is slided composition third gear on frame body and nibbled with first gear
Conjunction, first bevel gear and second bevel gear are engaged with third hand tap gear and third gear is engaged with second gear, the first cone tooth
The structure that wheel and second bevel gear are engaged with the 4th bevel gear.
Structure of the invention is novel, ingenious in design, can control on experimental bench bottom in rack for test tube by the rotation of shaft
Highly, it so that the different situation of height and position occurs in test tube upper end, so that convenient pick and place test tube, accelerates in reality
The speed done and tested on platform is tested, the investment of rack for test tube is reduced, while also saving the space of experimental bench, accelerates the effect of experiment
Rate.
Specific embodiment
A specific embodiment of the invention is described in further details below in conjunction with attached drawing 1-10.
It is provided by Fig. 1-10, the present invention includes panel 1, table leg 2 is fixed on the downside of panel 1, which is characterized in that the panel
Be fixed with rack for test tube 3 on 1, rack for test tube 3 includes frame body 4, be fixed with upper spacer 5, middle partition 6 and lower clapboard 7 on frame body 4, on every
It is evenly equipped with multiple corresponding big holes 8 up and down on plate 5 and middle partition 6, is offered on lower clapboard 7 one-to-one with big hole 8
Small sircle hole 9 is provided on lower clapboard 7 and slides vertically in lower clapboard 7 with the one-to-one supporting block 10 of big hole 8, supporting block 10
Dynamic, small sircle hole 9 is arranged in supporting block 10, constitute 9 position of small sircle hole can up and down adjustment structure;
The control cabinet 11 positioned at 7 lower section of lower clapboard is provided in frame body 4, being rotatably connected in control cabinet 11 can be horizontal
The rotation axis 12 of sliding, 12 outer circle of rotation axis are provided with different shape block 13, and supporting block 10 is contacted with different shape block 13 constitutes supporting block 10
The structure of oscilaltion;
Different shape block 13 includes that successively spaced first protrusion 14, the first partes glabra 15, the first groove 16, second are smooth
Portion 17, the second protrusion 18, the second groove 19 and third partes glabra 20, the first groove 16 and the second groove 19 are identical and be circumference
Groove, the second protrusion 18 are semi-circumference protrusion, and the first protrusion 14 is circumferential protrusion;
Rotation axis 12 includes spaced apart first rotation axis 21 and the second rotation axis 22, the first rotation axis 21 and second turn
The outer contour of moving axis 22 is identical, and 21 right end ball of the first rotation axis strand has first connecting rod 23, the right end hinge of first connecting rod 23
It is connected to the first turntable 24, first connecting rod 23 is hinged on the edge side of the first turntable 24, and the first turntable 24 is coaxially connected with the first cone
Gear 25,22 right end ball of the second rotation axis strand have a second connecting rod 26, and the right end of second connecting rod 26 is hinged with the second turntable 27, and second
Connecting rod 26 is hinged on the edge side of the second turntable 27, and the second turntable 27 is coaxially connected with second bevel gear 28, goes back in control cabinet 11
Equipped with horizontally slidable shaft 29, third hand tap gear 30 and the 4th bevel gear 31, third hand tap gear 30 are provided in shaft 29
It is engaged simultaneously with first bevel gear 25, second bevel gear 28, the inside of third hand tap gear 30 and the 4th bevel gear 31 is the first spine
Wheel 32 is hinged with multiple first pawls 33 in shaft 29, is connected with the first spring 34 on the outside of the first pawl 33, under the first spring 34
End is fixed in shaft 29, and the first pawl 33 is stuck on the first ratchet 32, constitutes third hand tap gear 30 and the 4th bevel gear 31 exists
Structure static when rotation, reversion when shaft 29 rotates forward;
It is slidably provided with first gear 35 in first rotation axis 21, is slidably provided in the second rotation axis 22
The position of two gears 36, first gear 35 and second gear 36 does not correspond to, and third gear 37, third gear are additionally provided in shaft 29
37 inside is the second ratchet 38, is hinged with multiple second pawls 39 in shaft 29, is connected with the second bullet on the outside of the second pawl 39
Spring 40,40 lower end of second spring are fixed in shaft 29, and the second pawl 39 is stuck on the second ratchet 38, are constituted third gear 37 and are existed
Shaft 29 is static when rotating forward, reversion when the structure that rotates;
Shaft 29 slidably stretches out the outside of control cabinet 11, and shaft 29 slide composition third gear 37 and the on frame body 4
The engagement of one gear 35, first bevel gear 25 and second bevel gear 28 is engaged with third hand tap gear 30 and third gear 37 and second
The structure that the engagement of gear 36, first bevel gear 25 and second bevel gear 28 are engaged with the 4th bevel gear 31.
Chemical experiment medicament is unrestrained to damage panel 1 in order to reduce, and the panel 1 uses PB mesa of plastic steel.
In order to rotate while shaft 29, the 4th gear 41 is provided in shaft 29, the 4th gear 41 is engaged with rack gear 42,
4th gear 41 is engaged with the holding of rack gear 42 always.
In order to realize 22 synchronous rotating shaft 29 of the first rotation axis 21 or the second rotation axis, two adjacent first rotation axis 21
It is connected with two adjacent second rotation axis 22 through chain drive 43.
In order to guarantee the stationarity when rotation of rotation axis 12, guide groove 44, rotation axis 12 are provided in the control cabinet 11
In slidable insertion guide groove 44, pressure spring 45 is equipped in guide groove 44,45 right end of pressure spring is in contact with rotation axis 12.
In order to realize that better effect, the rotation axis 12 are connect with first gear 35 and second gear 36 through spline, structure
At the structure that first gear 35 and second gear 36 can be slided in rotation axis 12, multiple guide pads 46 are equipped in control cabinet 11,
The lower end of first gear 35 and second gear 36 is placed in the groove of guide pad 46, constitutes first gear 35 when rotation axis 12 is slided
Or the structure that second gear 36 is static.
In order to guarantee stationarity that supporting block 10 is contacted with rotation axis 12, it is fixed with push rod 47 below the supporting block 10,
47 lower end of push rod is fixed with goalpost 48, and goalpost 48 is contacted with rotation axis 12, constitutes the horizontal sliding of rotation axis 12 and rotational support block
The structure of 10 oscilaltions.
In order to realize the fixation of shaft 29, the frame body 4 is equipped with the locating slot 49 for being located at 29 outside of shaft, in shaft 29
Equipped with the positioning head 50 stretched out outside shaft 29, positioning head 50 and the cooperation of locating slot 49 constitute shaft 29 and are fixed on frame body 4
Structure, the interior fixture block 51 for being equipped with connection positioning head 50 of shaft 29 constitute positioning head 50 and stretch out the structure that 29 position of shaft is fixed, card
Block 51 is fixed in shaft 29 through third spring 52, constitutes third spring 52 always for the knot outside the ejection shaft 29 of positioning head 50
Structure.
In the use of the present invention, the initial position of rotation axis 12 is identical as position shown in Fig. 5, when the test tube that needs pick and place
When positioned at the top of the first rotation axis 21, shaft 29 is pushed, so that third hand tap gear 30 and first bevel gear 25 and the second cone tooth
28 engagement of wheel, third gear 37 are engaged with first gear 35, rotate clockwise shaft 29, and the inside of third hand tap gear 30 is spine
It takes turns, is hinged with multiple first pawls 33 in shaft 29, the first spring 34,34 lower end of the first spring are connected on the outside of the first pawl 33
It being fixed in shaft 29, the first pawl 33 is stuck on the first ratchet 32, and shaft 29 drives third hand tap gear 30 to rotate clockwise,
The inside of third gear 37 is the second ratchet 38, is hinged with multiple second pawls 39 in shaft 29, connects on the outside of the second pawl 39
There is second spring 40,40 lower end of second spring is fixed in shaft 29, and the second pawl 39 is stuck on the first ratchet 32, and shaft 29 is suitable
Third gear 37 is stationary when hour hands rotate, the engagement first bevel gear 25 of third hand tap gear 30 and second bevel gear 28, and first
Bevel gear 25 is coaxially arranged with the first turntable 24, the hinged first connecting rod 23 of 24 edge side of the first turntable, first connecting rod 23 and first
21 ball of rotation axis twists, and the rotation of the first turntable 24 drives the horizontal sliding of the first rotation axis 21, and second bevel gear 28 is coaxially arranged with the
Two turntables 27, the hinged second connecting rod 26 of 27 edge side of the second turntable, second connecting rod 26 and 22 ball of the second rotation axis twist, the second turntable
27 rotations drive the horizontal sliding of the second rotation axis 22, and first bevel gear 25 and second bevel gear 28 turn on the contrary, the first rotation axis
21 and the horizontal sliding of the second rotation axis 22 is reversed on the contrary, 21 level of the first rotation axis, which slides into the test tube for needing to take out, is located at first
The top of protrusion 14, the first rotation axis 21 and the horizontal sliding of the second rotation axis 22 are reversed on the contrary, being located at 22 top of the second rotation axis
The test tube adjacent with needing to take out test tube is in the first groove 16 or the second, to form difference of height.
Shaft 29 is rotated counterclockwise, third hand tap gear 30 is static when shaft 29 rotates counterclockwise, and shaft 29 turns counterclockwise
Dynamic that third gear 37 is driven to rotate, third gear 37 engages first gear 35, and first gear 35 is rotated together with third gear 37,
First gear 35 is connect with 21 spline of the first rotation axis, and first gear 35 drives the rotation of the first rotation axis 21, the examination for needing to take out
The two sides test tube of pipe is also kept in the first groove 16 and the second groove 19, and the test tube at the test tube two sides interval for needing to take out exists
It is located in the second protrusion 18 in first rotation axis 21, the second protrusion 18 is semi-circumference protrusion, and the first rotation axis 21 rotates semi-circumference
When, the test tube at the test tube two sides interval for needing to take out is on 21 periphery of the first rotation axis, and the test tube for needing to take out is significant
Protrusion, it may be convenient to the tube hold-down that takes out will be needed.
When needing the test tube that takes out to be located at the second 22 top of rotation axis, push shaft 29 so that the 4th bevel gear 31 and
First bevel gear 25 and second bevel gear 28 engage, and third gear 37 is engaged with second gear 36, rotate clockwise shaft 29, the
The inside of four bevel gears 31 is ratchet, is hinged with multiple first pawls 33 in shaft 29, is connected with first on the outside of the first pawl 33
Spring 34,34 lower end of the first spring are fixed in shaft 29, and the first pawl 33 is stuck on the first ratchet 32, the band clockwise of shaft 29
Dynamic 4th bevel gear 31 rotation, the inside of third gear 37 is the second ratchet 38, is hinged with multiple second pawls in shaft 29
39, second spring 40 is connected on the outside of the second pawl 39, and 40 lower end of second spring is fixed in shaft 29, and the second pawl 39 is stuck in
On first ratchet 32, third gear 37 is stationary when shaft 29 rotates clockwise, and the 4th bevel gear 31 engages first bevel gear
25 and second bevel gear 28, first bevel gear 25 is coaxially arranged with the first turntable 24, and 24 edge side of the first turntable hinged first connects
Bar 23, first connecting rod 23 and 21 ball of the first rotation axis twist, and the rotation of the first turntable 24 drives the first rotation axis 21 is horizontal to slide, and second
Bevel gear 28 is coaxially arranged with the second turntable 27, the hinged second connecting rod 26 of 27 edge side of the second turntable, second connecting rod 26 and second
22 ball of rotation axis twists, and the rotation of the second turntable 27 drives the horizontal sliding of the second rotation axis 22, first bevel gear 25 and second bevel gear
28 turn on the contrary, the first rotation axis 21 and the horizontal sliding of the second rotation axis 22 are reversed on the contrary, 22 level of the second rotation axis slides into
The test tube for needing to take out is located at the top of the first protrusion 14, the first rotation axis 21 and the horizontal reversed phase of sliding of the second rotation axis 22
Instead, test tube adjacent with needing to take out test tube above the first rotation axis 21 is in the first groove 16 or the second, thus shape
At difference of height.
Shaft 29 is rotated counterclockwise, the 4th bevel gear 31 is static when shaft 29 rotates counterclockwise, and shaft 29 turns counterclockwise
Dynamic that third gear 37 is driven to rotate, third gear 37 engages second gear 36, and second gear 36 is rotated together with third gear 37,
Second gear 36 is connect with 22 spline of the second rotation axis, and second gear 36 drives the rotation of the second rotation axis 22, the examination for needing to take out
The two sides test tube of pipe is also kept in the first groove 16 and the second groove 19, and the test tube at the test tube two sides interval for needing to take out exists
It is located in the second protrusion 18 in second rotation axis 22, the second protrusion 18 is semi-circumference protrusion, and the second rotation axis 22 rotates semi-circumference
When, the test tube at the test tube two sides interval for needing to take out is on 22 periphery of the second rotation axis, and the test tube for needing to take out is significant
Protrusion, it may be convenient to the tube hold-down that takes out will be needed.
Multiple first rotation axis 21 are connected through chain drive 43, and multiple second rotation axis 22 are connected through chain drive 43, can
Guarantee that the synchronism of multiple first rotation axis 21 and multiple second rotation axis 22, one of shaft 29 are slidably fixed on
On frame body 4, shaft 29 is equipped with the 4th gear 41, and rack gear 42 is engaged with below the 4th gear 41, constitutes the shaft for stretching out cabinet
29 rotations drive the rotation of remaining shaft 29, the second tooth in first gear 35 and the second rotation axis 22 in the first rotation axis 21
It takes turns 36 to need to be arranged simultaneously with slide in multiple shafts 29 one, remaining first rotation axis 21 does not need setting first
Gear 35, remaining second rotation axis 22 do not need setting second gear 36, and slidable one is provided with the in shaft 29
Four bevel gears 31, remaining shaft 29 do not need the 4th bevel gear 31 of setting.
In shaft 29 slidable one on frame body 4 can pull need cooperation position, in shaft 29 mark on engage
Station location marker, it is convenient that the position of engagement is adjusted, when adjusting, pull shaft 29, positioning head 50 is bulb shape, is being pulled
It is bounced back in shaft 29 under the pressure of frame body 4 when shaft 29, when reaching locating slot 49, in spring under effect, with positioning
Slot 49 cooperates, to realize the positioning of shaft 29.
Compared with the prior art, the present invention has the following beneficial effects: 1) be provided with and can rise in the lower clapboard 7 of rack for test tube 3
The supporting block 10 of drop realizes the lifting of test tube by the lifting of supporting block 10;2) institute can be completed using an operating mechanism
The lifting of test tube is stated, it is convenient and practical;3) operating method only needs pulling and positive and negative rotation, easy to operate, is easily mastered and uses;
4) the same horizontally-arranged two adjacent test tubes for needing to take out test tube are in lowest part, and need to take out test tube with two of horizontally-arranged interval
Test tube is on 29 axis periphery of shaft, is in lowest part with needing to take out two test tubes of the test tube with riser, is needed to take out
Test tube position is in highest point, and the gas defence that test tube picks and places is faster, more efficient, accelerates the progress of experiment, and is not in beat
The mixing of solution occurs for random test tube, is conducive to the arrangement in laboratory: 5) reducing the occupation rate in space on experimental bench, experimental bench
Using more efficiently;6) even if solution occurs during the experiment to trickle down on panel 1, the damage of panel 1 will not be caused, energy conservation
Environmental protection.
Structure of the invention is novel, ingenious in design, can control on experimental bench bottom in rack for test tube by the rotation of shaft
Highly, it so that the different situation of height and position occurs in test tube upper end, so that convenient pick and place test tube, accelerates in reality
The speed done and tested on platform is tested, the investment of rack for test tube is reduced, while also saving the space of experimental bench, accelerates the effect of experiment
Rate.