CN108176422A - A kind of chemical laboratory experimental stirring beaker base - Google Patents
A kind of chemical laboratory experimental stirring beaker base Download PDFInfo
- Publication number
- CN108176422A CN108176422A CN201711295585.4A CN201711295585A CN108176422A CN 108176422 A CN108176422 A CN 108176422A CN 201711295585 A CN201711295585 A CN 201711295585A CN 108176422 A CN108176422 A CN 108176422A
- Authority
- CN
- China
- Prior art keywords
- plate
- screw rod
- chemical laboratory
- rod
- cavity
- Prior art date
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- 238000003756 stirring Methods 0.000 title claims abstract description 33
- 239000000126 substances Substances 0.000 title claims abstract description 30
- 280000711007 Swivel companies 0.000 claims abstract description 41
- 238000009434 installation Methods 0.000 claims description 4
- 239000002585 bases Substances 0.000 abstract 1
- 238000010586 diagrams Methods 0.000 description 5
- 239000011257 shell materials Substances 0.000 description 4
- 239000003814 drugs Substances 0.000 description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L Copper(II) sulfate Chemical compound 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O.OS(O)(=O)=O FWFGVMYFCODZRD-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation methods Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 1
- 239000000953 sodium hydroxide Substances 0.000 description 1
- 229910001856 sodium hydroxide Inorganic materials 0.000 description 1
- 239000000243 solutions Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/50—Clamping means, tongs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/02—Adapting objects or devices to another
- B01L2200/023—Adapting objects or devices to another adapted for different sizes of tubes, tips or container
Abstract
Description
Technical field
The present invention relates to chemical experiment field, specifically a kind of chemical laboratory experimental stirring beaker base.
Background technology
Chemical laboratory is to provide chemical experiment condition and its carries out the important place of scientific exploration.There is a large amount of instrument in it Device：The experimental tools such as iron stand, asbestos gauge, alcolhol burner.Would generally be furnished with chemicals cabinet, there are common chemical drugs inside medicine-chest Product, such as：Five water sulfuric acid（CuSO45H2O, i.e. blue stone）, sodium hydroxide solution, lime stone, hydrochloric acid etc..
Chemical laboratory often uses agitating device and chemical experiment is stirred, and generally all small-sized medicament experiment is most Beaker will be selected as experiment container, common agitating device is also all by thinking stirring rod is driven to realize stirring, still For the experiment that some need minimum five minutes of long agitation or more, hand operated mixing is substantially impossible, therefore also It is that can't do without driving stirring using motor, and traditional its pedestal using the device of motor stirring is all often fixed, is used Be all to realize that vertical feed is stirred the solution in beaker by motor, under needing the motor slow during this Drop, and motor stirring complete after motor rise is also taken away into beaker can just remove solution in beaker, though this kind of device Stirring efficiency is so improved, but the distance of motor lifting is all fixed, therefore matching for fixed signal can be all used during experiment Set beaker can just be tested, and limitation is very big.
Invention content
The purpose of the present invention is to provide a kind of chemical laboratory experimental stirring beaker base, to solve above-mentioned background skill The problem of being proposed in art.
To achieve the above object, the present invention provides following technical solution：
A kind of chemical laboratory experimental stirring beaker base including bottom plate, is equipped with support plate, support plate right over the bottom plate Setting parallel with bottom plate, the bottom plate upper end left and right sides are symmetrically installed with mounting blocks, screw rod, screw rod are equipped between two mounting blocks Middle part be rotatably installed on bottom plate upper end center by supporting block, screw rod is made of the first thread segment and the second thread segment, One thread segment and the second thread segment equal length but hand of spiral are on the contrary, be mounted on the first thread segment and the second thread segment One swivel nut, the lower end of the first swivel nut are equipped with sliding block, and bottom plate upper surface, which is located at below screw rod, to be opened up there are two sliding slot, two the The sliding block of one swivel nut lower end is slided in sliding slot, and the first hinged seat is equipped on the upper end outer wall of first swivel nut, branch The second hinged seat is symmetrically installed at left and right sides of fagging lower end, is passed through between the first hinged seat and the second hinged seat close to each other Connecting rod is connected, and the inside of the support plate offers cavity, and cavity is parallel with screw rod, and cavity be set on screw rod just on Side, cavity inside are equipped with a shaft, and shaft upper edge central symmetry is set there are two threaded portion, the hand of spiral on two threaded portions On the contrary, being mounted on the second swivel nut on two threaded portions, the upper end of the second swivel nut is equipped with link block, and cavity upper end offers cunning Hole, slide opening is set on the surface of threaded portion, and slide opening is parallel with threaded portion and equal length, link block are slided set on slide opening Interior, the upper end of link block is equipped with clamping plate.
As further embodiment of the present invention：The both ends of the screw rod are rotatablely connected by clutch shaft bearing and mounting blocks.
As further scheme of the invention：One end of the screw rod also extends through mounting blocks and is connected with the first adjustment axis, The one end of first adjustment axis far from screw rod is equipped with the first release handle.
As further scheme of the invention：The clamping plate be curved splint, the concave profile phase of two curved splints To setting, and the concave profile of clamping plate is equipped with cushion.
As further scheme of the invention：The inside both ends of the cavity are equipped with second bearing, the both ends of shaft It is rotatably installed in cavity by second bearing.
As further scheme of the invention：The both ends of the shaft are pierced by cavity and are connected with the second adjustment axis, the The one end of two adjustment axis far from shaft is equipped with the second release handle.
As further scheme of the invention：The mounting blocks are set in bar shaped, the length direction of mounting blocks and bottom plate Perpendicular, the upper end both sides of mounting blocks are symmetrically installed with guide rod, and guide rod is slip pole, and the top of guide rod is fixed on branch The lower end of fagging.
As further scheme of the invention：The guide rod includes fixes sleeve, is inserted inside the upper end of fixes sleeve Equipped with supporting rod, support spring is additionally provided with inside stop sleeve, support spring is set on the lower end of supporting rod.
As further scheme of the invention：The internal side wall upper end of the fixes sleeve is symmetrically installed with guide block, branch Guide groove is symmetrically offered on the side wall of strut, guide block, which slides, to be set in guide groove.
As further scheme of the invention：The lower end of the bottom plate is equipped with non-slip mat.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is rational in infrastructure, when screw rod rotates, the first spiral shell The first swivel nut in line section and the second thread segment can be moved by the sliding block of each self installation along sliding slot, and because of the first spiral shell Line section is with the hand of spiral on the second thread segment on the contrary, therefore the moving direction of two the first swivel nuts is also opposite, when first When swivel nut moves, the first swivel nut can drive the lower end of connecting rod to move by the first hinged seat, and the upper end of connecting rod The lower end of support plate is mounted on by the second hinged seat, i.e., the upper end of connecting rod can not move left and right, therefore work as connecting rod Lower end when moving horizontally, height adjusting can be carried out to support plate, height tune is carried out to the beaker of support plate upper end setting Section, when the spindle is rotated, the second swivel nut on two threaded portions can also move, and because of the hand of spiral on two threaded portions It is reversed, therefore second swivel nut can also be moved towards opposite direction, when the second swivel nut moves, can pass through Link block drives clamping plate to realize movement, and when the change of the distance between two clamping plates, the beaker of different model can be carried out It is fixedly clamped, avoids shaking in stirring.
Description of the drawings
Fig. 1 is the structure diagram of chemical laboratory experimental stirring beaker base；
Fig. 2 is the structure diagram of screw rod in chemical laboratory experimental stirring beaker base；
Fig. 3 is the structure diagram of shaft in chemical laboratory experimental stirring beaker base；
Fig. 4 is the vertical view of chemical laboratory experimental stirring beaker base bottom plate；
Fig. 5 is the structure diagram of chemical laboratory experimental stirring beaker base middle clamp plate；
Fig. 6 is the structure diagram of guide rod in chemical laboratory experimental stirring beaker base；
Fig. 7 is along A-A sectional views in Fig. 6；
In figure：1- bottom plates, 2- support plates, 3- mounting blocks, 4- screw rods, the first thread segments of 41-, the second thread segments of 42-, the first spiral shells of 5- Set, 6- sliding blocks, 7- sliding slots, 8- supporting blocks, the first hinged seats of 9-, the second hinged seats of 10-, 11- connecting rods, 12- beakers, 13- One bearing, the first adjustment axis of 14-, the first release handles of 15-, 16- cavitys, 17- shafts, 18- threaded portions, the second swivel nuts of 19-, 20- Link block, 21- slide openings, 22- clamping plates, 23- cushions, 24- second bearings, the second adjustment axis of 25-, the second release handles of 26-, 27- are led To bar, 28- fixes sleeves, 29- supporting rods, 30- support springs, 31- guide grooves, 32- guide blocks, 33- non-slip mats.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~7, in the embodiment of the present invention, a kind of chemical laboratory experimental stirring beaker base, including bottom plate 1,1 surface of bottom plate is equipped with support plate 2, support plate 2 and 1 parallel setting of bottom plate, symmetrically pacifies at left and right sides of 1 upper end of bottom plate Equipped with mounting blocks 3, screw rod 4 is equipped between two mounting blocks 3, the middle part of screw rod 4 is rotatably installed in by supporting block 8 on bottom plate 1 On the center of end, screw rod 4 is made of the first thread segment 41 and the second thread segment 42,42 length of the first thread segment 41 and the second thread segment Equal but hand of spiral on the contrary, be mounted on the first swivel nut 5 on the first thread segment 41 and the second thread segment 42, the first swivel nut 5 Lower end is equipped with sliding block 6, and the lower section that 1 upper surface of bottom plate is located at screw rod 4 is opened up there are two sliding slot 7, two 5 lower ends of the first swivel nut Sliding block 6 is slided in sliding slot 7, and the first hinged seat 9,2 lower end of support plate are equipped on the upper end outer wall of first swivel nut 5 The left and right sides is symmetrically installed with the second hinged seat 10, passes through company between the first hinged seat 9 and the second hinged seat 10 close to each other Extension bar 11 is connected, and when screw rod 4 rotates, the first swivel nut 5 on the first thread segment 41 and the second thread segment 42 can pass through The sliding block 6 of each self installation is moved along sliding slot 7, and because of the first thread segment 41 and the hand of spiral phase on the second thread segment 42 Instead, therefore the moving direction of two the first swivel nuts 5 is also opposite, and when the first swivel nut 5 moves, the first swivel nut 5 can lead to The lower end movement that the first hinged seat 9 drives connecting rod 10 is crossed, and the upper end of connecting rod 10 is mounted on further through the second hinged seat 10 The lower end of support plate 2, the i.e. upper end of connecting rod 10 can not move left and right, therefore when the lower end of connecting rod 10 moves horizontally When, height adjusting can be carried out to support plate 2, height adjusting is carried out to the beaker 12 of 2 upper end of support plate setting.
The both ends of the screw rod 4 are rotatablely connected by clutch shaft bearing 13 and mounting blocks 3.
One end of the screw rod 4 also extends through mounting blocks 3 and is connected with the first adjustment axis 14, and the first adjustment axis 14 is far from screw rod 4 One end the first release handle 15 is installed.
The inside of the support plate 2 offers cavity 16, and cavity 16 is parallel with screw rod 4, and cavity 16 is being set on screw rod 4 just Top, cavity 16 are internally provided with a shaft 17, and 17 upper edge central symmetry of shaft sets that there are two threaded portion 18, two threaded portions 18 On hand of spiral on the contrary, being mounted on the second swivel nut 19 on two threaded portions 18, the upper end of the second swivel nut 19 is equipped with connection Block 20,16 upper end of cavity offer slide opening 21, and slide opening 21 is set on the surface of threaded portion 18, and slide opening 21 is equal with threaded portion 19 Row and equal length, link block 20, which slides, to be set in slide opening 21, and the upper end of link block 20 is equipped with clamping plate 22, when shaft 17 rotates When, the second swivel nut 19 on two threaded portions 18 can also move, and because the hand of spiral on two threaded portions 18 is also opposite Setting, therefore second swivel nut 19 can also be moved towards opposite direction, when the second swivel nut 19 moves, can pass through company Connecing block 20 drives clamping plate 22 to realize movement, can be to the beaker of different model when the change of the distance between two clamping plates 22 12 are clamped fixation, avoid shaking in stirring.
The clamping plate 22 is curved splint, and the concave profile of two curved splints 22 is oppositely arranged, and the inner arc of clamping plate 22 Shape face is equipped with cushion 23.
The inside both ends of the cavity 16 are equipped with second bearing 24, and the both ends of shaft 17 are rotated by second bearing 24 pacifies In cavity 16.
The both ends of the shaft 17 are pierced by cavity 16 and are connected with the second adjustment axis 25, and the second adjustment axis 25 is far from shaft 17 One end the second release handle 26 is installed.
The mounting blocks 3 are set in bar shaped, and mounting blocks 3 and the length direction of bottom plate 1 are perpendicular, the upper end two of mounting blocks 3 Side is symmetrically installed with guide rod 27, and guide rod 27 is slip pole, and the top of guide rod 27 is fixed on the lower end of support plate 2.
The guide rod 27 includes fixes sleeve 28, and supporting rod 29, supporting sleeve are inserted with inside the upper end of fixes sleeve 28 Support spring 30 is additionally provided with inside cylinder 28, support spring 30 is set on the lower end of supporting rod 29.Fixes sleeve 28 and 29 institute of supporting rod The guide rod 27 of composition can effectively position support plate 2, shake when support plate 2 being avoided to lift, cause shakiness Happen.
The internal side wall upper end of the fixes sleeve 28 is symmetrically installed with guide block 32, is symmetrically opened up on the side wall of supporting rod 29 There is guide groove 31, guide block 32, which slides, to be set in guide groove 31.
The lower end of the bottom plate 1 is equipped with non-slip mat 33.
The present invention operation principle be：When screw rod 4 rotates, the first spiral shell on the first thread segment 41 and the second thread segment 42 Set 5 can be moved by the sliding block 6 of each self installation along sliding slot 7, and because on the first thread segment 41 and the second thread segment 42 Hand of spiral on the contrary, therefore the moving direction of two the first swivel nuts 5 is also opposite, when the first swivel nut 5 moves, the first spiral shell Set 5 can drive the lower end of connecting rod 10 to move by the first hinged seat 9, and the upper end of connecting rod 10 is hinged further through second Seat 10 is mounted on the lower end of support plate 2, i.e. the upper end of connecting rod 10 can not move left and right, therefore when the lower end of connecting rod 10 When moving horizontally, height adjusting can be carried out to support plate 2, height adjusting is carried out to the beaker 12 of 2 upper end of support plate setting, When shaft 17 rotates, the second swivel nut 19 on two threaded portions 18 can also move, and because of the screw thread on two threaded portions 18 Direction is also what is be reversed, therefore second swivel nut 19 can also be moved towards opposite direction, when the second swivel nut 19 moves, Clamping plate 22 can be driven to realize movement by link block 20, it, can be to not when the change of the distance between two clamping plates 22 Beaker 12 with model is clamped fixation, avoids shaking in stirring.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art The other embodiment being appreciated that.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711295585.4A CN108176422A (en) | 2017-12-08 | 2017-12-08 | A kind of chemical laboratory experimental stirring beaker base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711295585.4A CN108176422A (en) | 2017-12-08 | 2017-12-08 | A kind of chemical laboratory experimental stirring beaker base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108176422A true CN108176422A (en) | 2018-06-19 |
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| CN201711295585.4A CN108176422A (en) | 2017-12-08 | 2017-12-08 | A kind of chemical laboratory experimental stirring beaker base |
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| CN (1) | CN108176422A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108645756A (en) * | 2018-07-24 | 2018-10-12 | 温州任和文化创意有限责任公司 | A kind of viscosity measurements equipment in thermoprint coating producing process |
| CN108940098A (en) * | 2018-07-18 | 2018-12-07 | 苏州瑞沁精密机械有限公司 | A kind of agitator positioning device for blender |
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| CN109129185A (en) * | 2018-09-21 | 2019-01-04 | 汪兰英 | A kind of fixed device of silicon chip grinding |
| CN109171469A (en) * | 2018-08-07 | 2019-01-11 | 虞典 | A kind of self-service milk feedway of student |
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