CN208334263U - A kind of liftable stand for experiment for electrochemistry experiment - Google Patents

A kind of liftable stand for experiment for electrochemistry experiment Download PDF

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Publication number
CN208334263U
CN208334263U CN201821085477.4U CN201821085477U CN208334263U CN 208334263 U CN208334263 U CN 208334263U CN 201821085477 U CN201821085477 U CN 201821085477U CN 208334263 U CN208334263 U CN 208334263U
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CN
China
Prior art keywords
sprocket wheel
experiment
wheel
transmission
transmission wheel
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
CN201821085477.4U
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Chinese (zh)
Inventor
闫卫
王中慧
李志荣
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Luliang University
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Luliang University
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.)
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Publication date
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Priority to CN201821085477.4U priority Critical patent/CN208334263U/en
Application granted granted Critical
Publication of CN208334263U publication Critical patent/CN208334263U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of liftable stand for experiment for electrochemistry experiment, belong to electrochemical experimental device field, including support base and the hollow lifting tube for being fixed in support seating face, lifting device is equipped in the lifting tube, the lifting device includes the first transmission wheel, second transmission wheel, transmission belt and motor, the first transmission wheel is rotatably located at the bottom of lifting tube, the first transmission wheel passes through motor driven, the second transmission wheel is rotatably located at the top of lifting tube, first transmission wheel and the second transmission are taken turns connection by the transmission belt, the surface of the transmission belt is connected with link block, the link block surface is removably connected with fixed link, the fixed link is connected with fixed disk far from one end of link block;The support base is equipped with rising switch and down switch, and the rising switch and down switch are and electrical connection of motor.The utility model can drive the height for adjusting fixed link by motor, easy to operate.

Description

A kind of liftable stand for experiment for electrochemistry experiment
Technical field
The utility model belongs to electrochemical experimental device field, and in particular to a kind of liftable for electrochemistry experiment is real Test bracket.
Background technique
It is studied in electrochemistry experiment frequently with performance of the cyclic voltammetry to electrode system, during the experiment generally Using beaker as electrolytic cell, electrode then is fixed with clip and iron stand cooperation, in replacement electrolyte or replacement electrode When, it needs to unscrew clip, clip is moved upwards up to after suitable position along iron stand then and tightens clip again and fixes, will be electrolysed After liquid or electrode replacement, then unscrews clip and moved down into suitable position, therefore operate more troublesome.
Utility model content
The utility model provides a kind of liftable stand for experiment for electrochemistry experiment, it is desirable to provide a kind of easy to operate Stand for experiment, to solve problems of the prior art.
The utility model provides a kind of liftable stand for experiment for electrochemistry experiment, including support base and is fixed in branch The hollow lifting tube of seating face is supportted, lifting device is equipped in the lifting tube, the lifting device includes the first transmission wheel, second Transmission wheel, transmission belt and motor, the first transmission wheel are rotatably located at the bottom of lifting tube, the end face of the first transmission wheel Also be connected with connecting shaft, the connecting shaft far from one end of the first transmission wheel pass through lifting tube and with the output axis connection of motor, The second transmission wheel is rotatably located at the top of lifting tube, and the transmission belt is around the first transmission wheel and the second transmission wheel by the One transmission wheel and the second transmission wheel connection, the surface of the transmission belt are connected with link block, and the link block surface detachably connects It is connected to fixed link, is provided with the through slot moved up and down for fixed link on the side wall of the lifting tube vertically, the fixed link is separate One end of link block is connected with fixed disk, is provided in the fixed disk multiple for fixing the through-hole of electrode;On the support base Equipped with rising switch and down switch, the rising switch and down switch are and electrical connection of motor.
Preferably, the first transmission wheel is dumbbell structure, including the first chain of the first sprocket wheel, the second sprocket wheel and connection The first connecting rod of wheel, the second sprocket wheel, second sprocket wheel are connected with connecting shaft far from the end face of connecting rod, and the connecting shaft, which passes through, to be risen The side wall of cylinder and the output axis connection with motor drop, and the second transmission wheel includes third sprocket wheel, the 4th sprocket wheel and the second company Bar, the both ends of the second connecting rod are rotatably located on the inner wall of lifting tube, and the third sprocket wheel and the 4th sprocket wheel are located at second It on connecting rod, and can be rotated around second connecting rod, the transmission belt includes the first chain and the second chain, and first chain is by first Sprocket wheel is connected with third sprocket wheel, and second chain connects the second sprocket wheel and the 4th sprocket wheel, and the link block is located at the first chain Between item and the second chain.
It is highly preferred that it is provided with annular groove with third sprocket wheel and the 4th sprocket position corresponding position on the second connecting rod, The third sprocket wheel and the 4th sprocket wheel are stuck in corresponding annular groove, prevent third sprocket wheel and the 4th sprocket wheel from rotating It is moved axially in the process along second connecting rod.
It is highly preferred that being provided with threaded hole on the link block, the one end of the fixed link is equipped with external screw thread, the fixation Bar is screwed onto the threaded hole, can be replaced to fixed link, the fixed link be telescopic rod, the fixing end of the telescopic rod with Link block is spirally connected, and the telescopic end of the telescopic rod is connected with fixed disk, passes through the length of the adjustable fixed link of stretching structure, side Just it uses.
Preferably, the liftable stand for experiment for electrochemistry experiment further includes control device, the control device It including first position sensor, second position sensor and controller, is located on support base on the controller, described first It sets sensor, second position sensor, motor to be electrically connected with controller, when link block drives fixed link to rise to through slot When top, first position sensor receives signal and signal is passed to controller, and controller control motor stops working, prevents Only link block continues to rise, this control device can make to avoid user because of carelessness fixed link rise or fall always to Damage stand for experiment.
The utility model provides a kind of liftable stand for experiment for electrochemistry experiment to be had compared with prior art Below the utility model has the advantages that 1, the utility model is when adjusting fixed link height, corresponding rising or down switch, motor band are pressed Dynamic first transmission wheel rotation, the first transmission wheel drive the second transmission wheel rotation by transmission belt, then link block is along transmission belt Transmission direction is mobile, to drive fixed link mobile, is easy to use;2, the utility model is additionally provided with control device, works as link block When fixed link being driven to rise to the top or bottom of through slot, corresponding position sensor receives signal and signal is passed to control Device, controller control motor stop working, and prevent link block from continuing to rise or fall, due to can make admittedly to avoid user because of carelessness Fixed pole rises or falls to damage stand for experiment always.
Detailed description of the invention
Fig. 1 is the front sectional view in the utility model embodiment for the liftable stand for experiment of electrochemistry experiment;
Fig. 2 is cross-sectional view at A-A in Fig. 1;
Fig. 3 is the right view in the utility model embodiment for the liftable stand for experiment of electrochemistry experiment;
Fig. 4 is the structural schematic diagram of the first transmission wheel;
Fig. 5 is the top view of fixed disk.
Specific embodiment
With reference to the accompanying drawing, a specific embodiment of the utility model is described in detail, it is to be understood that this The protection scope of utility model is not limited by the specific implementation.
As shown in Figs. 1-5, a kind of liftable stand for experiment for electrochemistry experiment, including support base 1 and it is fixed in branch The hollow lifting tube 2 on 1 surface of seat is supportted, the lifting tube 2 is arranged close to the left side of support base 1, and the cross section of the lifting tube 2 is Rectangle, and its bottom end opening.
Lifting device is equipped in the lifting tube 2, the lifting device includes the first transmission wheel, the second transmission wheel, transmission Band and motor 301, the first transmission wheel are rotatably located at the bottom of lifting tube 2, and the first transmission wheel is dumbbell structure, First connecting rod including the first sprocket wheel 302 of the first sprocket wheel 302, the second sprocket wheel 303 and connection, the second sprocket wheel 303, second chain 303 end faces far from first connecting rod of wheel are connected with connecting shaft, the connecting shaft pass through the side wall of lifting tube 2 and with motor 301 Export axis connection;The second transmission wheel is rotatably located at the top of lifting tube 2, and the second transmission wheel includes third sprocket wheel 304, the 4th sprocket wheel 305 and second connecting rod, the third sprocket wheel 304 and the 4th sprocket wheel 305 are socketed on second connecting rod and can be around Second connecting rod rotation, the both ends of the second connecting rod are rotatably located on the front and back inner wall of lifting tube 2, on the second connecting rod with Third sprocket wheel 304 and 305 position corresponding position of the 4th sprocket wheel are provided with annular groove, the third sprocket wheel 304 and the 4th sprocket wheel 305 It is stuck in corresponding annular groove, prevents third sprocket wheel 304 and the 4th sprocket wheel 305 during rotation along second connecting rod Axial movement;The transmission belt includes the first chain 306 and the second chain 307, and first chain 306 bypasses the first sprocket wheel 302 and third sprocket wheel 304, the first sprocket wheel 302 and third sprocket wheel 304 are connected, second chain 307 bypasses the second sprocket wheel 303 and the 4th sprocket wheel 305, the second sprocket wheel 303 and the 4th sprocket wheel 305 are connected.
Affixed link block 308 between first chain 306 and the second chain 307,308 surface of link block are provided with spiral shell Pit, level is bolted with fixed link 4 on the threaded hole, and the fixed link 4 is telescopic rod, the fixing end of the telescopic rod and company It connects block 308 to be spirally connected, telescopic end is connected with fixed disk 5, by the length of the adjustable fixed link 4 of stretching structure, is easy to use, institute State be provided in fixed disk 5 it is multiple for fixing the through-holes 501 of electrode, the through-hole 501 it is not of uniform size, can be used for it is fixed not With the electrode of size;It is provided on the lifting tube 2 side wall corresponding with 4 position of fixed link and is moved up and down for fixed link 4 vertically Through slot 201.
The support base 1 is equipped with rising switch 101 and down switch 102, the rising switch 101 and down switch 102 are electrically connected with motor 301.
The liftable stand for experiment for electrochemistry experiment further includes control device, and the control device includes first Position sensor, second position sensor and controller, the controller are the PLC controller of OMRONCP1E-N20DR-D, institute State controller and motor 301 it is equal this in cabinet 6, the cabinet 6 close to lifting tube 2 be arranged, the first position sensor packet Including the first Hall element 701 and the first small magnet 702, first Hall element 701 is located at the top of through slot 201, and described One small magnet 702 is fixed on the top of link block 308, and the second position sensor includes the second Hall element 703 and second Small magnet 704, second Hall element 703 are located at the bottom end of through slot 201, and second small magnet 704 is fixed on link block 308 bottom end, first Hall element 701, the second Hall element 703, motor 301 are electrically connected with controller.
It is fixed the working principle of the utility model is: inserting electrodes into fixation hole 501, needs to rise the height of fixed link 4 When spending, rising switch 101 is pressed, motor 301 drives the first transmission wheel rotation, and the first transmission wheel passes through the first chain 306 and the Two chains 307 drive the second transmission wheel rotation, then link block 308 rises with the first chain 306 and the second chain 307, thus Fixed link 4 is driven to move up;When needing to decline fixed link 4, down switch 102 is pressed, motor 301 drives the first transmission wheel It rotates backward, the first transmission wheel drives the second transmission wheel synchronous backward rotation by the first chain 306 and the second chain 307, then Link block 308 declines with the first chain 306 and the second chain 307, so that fixed link 4 be driven to move down.
The Automatic Control Theory of the utility model: when link block 308 drives fixed link 4 to rise to the top of through slot 201, First small magnet 702 receives signal and judges the position of link block 308 close to the first Hall element 701, the first Hall element 701 It sets, signal is then passed into controller, controller control motor 301 stops working, and prevents link block 308 from continuing to rise;Gu Similarly, this control device can be such that fixed link 4 rises always to control principle when fixed pole 4 declines to avoid user because of carelessness Or decline is to damage stand for experiment.
Disclosed above is only a specific embodiment of the utility model, and still, the embodiments of the present invention are not It is confined to this, the changes that any person skilled in the art can think of should all fall into the protection scope of the use of the new type.

Claims (5)

1. a kind of liftable stand for experiment for electrochemistry experiment, which is characterized in that including support base (1) and be fixed in support The hollow lifting tube (2) on seat (1) surface, the lifting tube (2) is interior to be equipped with lifting device;
The lifting device includes the first transmission wheel, the second transmission wheel, transmission belt and motor (301), and the first transmission wheel can Rotation is located at the bottom of lifting tube (2), and the end face of the first transmission wheel is also connected with connecting shaft, and the connecting shaft is far from first One end of transmission wheel passes through lifting tube (2) and the output axis connection with motor (301), and the second transmission wheel is rotatably located at The top of lifting tube (2), the transmission belt take turns the first transmission wheel and the second transmission around the first transmission wheel and the second transmission wheel Connection, the surface of the transmission belt are connected with link block (308), and link block (308) surface is removably connected with fixed link (4), it is provided with the through slot (201) moved up and down for fixed link (4), the fixed link vertically on the side wall of the lifting tube (2) (4) one end far from link block (308) is connected with fixed disk (5), is provided on the fixed disk (5) multiple for fixing electrode Through-hole (501);
The support base (1) is equipped with rising switch (101) and down switch (102), and the rising switch (101) and decline are opened (102) are closed to be electrically connected with motor (301).
2. the liftable stand for experiment according to claim 1 for electrochemistry experiment, which is characterized in that described first passes Defeated wheel is dumbbell structure, including the first sprocket wheel (302), the second sprocket wheel (303) and connection the first sprocket wheel (302), the second sprocket wheel (303) first connecting rod, second sprocket wheel (303) are connected with connecting shaft far from the end face of first connecting rod, and the connecting shaft is worn Cross the side wall of lifting tube (2) and the output axis connection with motor (301), the second transmission wheel include third sprocket wheel (304), 4th sprocket wheel (305) and second connecting rod, the both ends of the second connecting rod are rotatably located on the inner wall of lifting tube (2), and described Three sprocket wheels (304) and the 4th sprocket wheel (305) are located on second connecting rod, and can be rotated around second connecting rod, and the transmission belt includes the One chain (306) and the second chain (307), first chain (306) connect the first sprocket wheel (302) and third sprocket wheel (304) It connects, second chain (307) connects the second sprocket wheel (303) and the 4th sprocket wheel (305), and the link block (308) is located at the Between one chain (306) and the second chain (307).
3. the liftable stand for experiment according to claim 2 for electrochemistry experiment, which is characterized in that described second connects The annular groove for limit, the third are provided with third sprocket wheel (304) and the 4th sprocket wheel (305) position corresponding position on bar Sprocket wheel (304) and the 4th sprocket wheel (305) are stuck in corresponding annular groove.
4. the liftable stand for experiment according to claim 2 for electrochemistry experiment, which is characterized in that the link block (308) threaded hole is provided on, the one end of the fixed link (4) is equipped with external screw thread, and the fixed link (4) is screwed onto the screw thread In hole, the fixed link (4) is telescopic rod.
5. the liftable stand for experiment according to claim 1 for electrochemistry experiment, which is characterized in that described for electricity The liftable stand for experiment of chemical experiment further includes control device, and the control device includes first position sensor, second Sensor and controller are set, the first position sensor is located at the top of through slot (201), and the second position sensor is located at The bottom of through slot (201), the controller are located on support base (1), the first position sensor, second position sensor, Motor (301) is electrically connected with controller.
CN201821085477.4U 2018-07-10 2018-07-10 A kind of liftable stand for experiment for electrochemistry experiment Expired - Fee Related CN208334263U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821085477.4U CN208334263U (en) 2018-07-10 2018-07-10 A kind of liftable stand for experiment for electrochemistry experiment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821085477.4U CN208334263U (en) 2018-07-10 2018-07-10 A kind of liftable stand for experiment for electrochemistry experiment

Publications (1)

Publication Number Publication Date
CN208334263U true CN208334263U (en) 2019-01-04

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Application Number Title Priority Date Filing Date
CN201821085477.4U Expired - Fee Related CN208334263U (en) 2018-07-10 2018-07-10 A kind of liftable stand for experiment for electrochemistry experiment

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110274680A (en) * 2019-07-09 2019-09-24 广东中润智造医疗设备有限公司 A kind of ultrasonic power meter
CN111086659A (en) * 2019-12-31 2020-05-01 中国科学院空间应用工程与技术中心 Annular inspection driving mechanism outside material cabin and annular inspection mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110274680A (en) * 2019-07-09 2019-09-24 广东中润智造医疗设备有限公司 A kind of ultrasonic power meter
CN111086659A (en) * 2019-12-31 2020-05-01 中国科学院空间应用工程与技术中心 Annular inspection driving mechanism outside material cabin and annular inspection mechanism

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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: 20190104

Termination date: 20190710