CN204714788U - A kind of Multifunctional sterile crosshead - Google Patents

Abstract

A kind of Multifunctional sterile crosshead, be made up of support, web member, carrier table, cantilever a and cantilever b, support is made up of cradling piece and carrier base; Web member is enclosed within cradling piece vertically can move adjustment height, and carrier table is connected angle rotatable with web member; Cantilever a and cantilever b is made up of tail springs folder, galianconism, long-armed and stem holding piece, two tail springs folder is fixed with carrier table respectively and is passed through to press tail springs and presss from both sides and realize cantilever a and cantilever b rotates, two stem holding pieces are combined into fixture mutually, stir cantilever a and cantilever b realizes gripping action under screen resilience effect by both sides to the left and right.The utility model has the advantages that: this crosshead can install the different experiment equipment such as culture dish, test tube and triangular flask, and be fixed in the aseptic area of spirit lamp, by liberating the left hand of operator, reduce the difficulty of aseptic technique, make that single to carry out aseptic technique more convenient, thus ensure aseptic result further.

Description

A kind of Multifunctional sterile crosshead

Technical field

The utility model relates to Experiment on Microbiology technology, particularly a kind of Multifunctional sterile crosshead.

Background technology

Microorganism, is the general name that class naked eyes are difficult to the tiny organism seen clearly, mainly comprises bacterium, fungi, virus, unicellular algae and protozoon etc.They with the form in mixed residence general be distributed in each corner natural, under therefore the mankind at every moment live in the encirclement of microorganism.Experiment on Microbiology technology is the experimental implementation technology of microorganisms form, structure and a vital movement, its operand is one or more purebred microorganisms often, and therefore Experiment on Microbiology all operations process all requires the pollution preventing miscellaneous bacteria as much as possible.Because microorganism is ubiquitous, and most of microbe is all that naked eyes are sightless, operating process is slightly neglected and will be polluted, therefore Microbiology Experiment technology has strict operational motion and operating process requirement, aseptic technique through microorganism separation, purifying, inoculation, cultivation and preservation technology all the time, is the basis ensureing that the various experiment of microorganism is carried out smoothly.

In order to preventing pollution miscellaneous bacteria, except carrying out except sterilizing to the apparatus used, vessel and substratum before experiment, also to ensure that various experimental implementation all will be carried out in gnotobasis.As shown in Figure 1, utilize the high temperature of spirit lamp flame around it, the aseptic area of 3cm can be about by forming radius, carry out in this region Experiment on Microbiology operation can significantly decreasing pollution miscellaneous bacteria may.For microorganism test tube switching, by bacterial classification from a test tube be transferred to another test tube cultivate time, test tube mouth can not leave flame aseptic area after opening, and the operation of inoculating tool also will be carried out in flame aseptic area.The aseptic area provided due to spirit lamp is very little, and the apparatus used in operation and equipment are more again, and therefore aseptic technique has certain difficulty.

Most Experiments on Microbiology all can relate to switching and the lock out operation of bacterial classification, and operation the most frequently used at present has: transfer between test tube, between test tube with flat board, switching, test tube are transferred with triangular flask liquid nutrient medium and are forwarded to plate streaking from triangular flask liquid nutrient medium and be separated.These operations relate to the multiple equipment such as test tube, triangular flask, culture dish, for the possibility avoiding multi-pass operations to increase microbiological contamination, an operation steps step of trying one's best completes, therefore above operation all needs experimenter's one hand to hold two kinds simultaneously, even three kinds of experimental wares, and two hands want cooperation to carry out different actions, therefore many operators are difficult to grasp, or some experiment is difficult to complete independently by individual operator, usually need the help by other people just can complete experiment, bring very big inconvenience to experimental implementation.

Utility model content

The purpose of this utility model is for above-mentioned existing problems, a kind of Multifunctional sterile crosshead is provided, this crosshead can install the experimental wares such as test tube, triangular flask, culture dish, and is fixed in aseptic area, is more prone to when making operator carry out aseptic technique; Simultaneously when running into the experiment relating to multiple types experiment equipment, also can help the aseptic technique of operator's complete independently, improving operation efficiency, strictly ensureing aseptic result.

The technical solution of the utility model:

A kind of Multifunctional sterile crosshead, be made up of support, web member, carrier table, cantilever a and cantilever b, support is made up of cradling piece and carrier base, and cradling piece is vertically fixed on carrier base; Web member is enclosed within cradling piece can vertically move and regulates height and be bolted, and carrier table is connected angle rotatable with web member and is bolted; Cantilever a is identical with cantilever b structure, each cantilever is made up of tail springs folder, galianconism, long-armed and stem holding piece respectively, two tail springs folder is fixed with carrier table respectively and is passed through to press tail springs and presss from both sides and realize cantilever a and cantilever b rotates, galianconism is at right angles fixedly connected with long-armed, galianconism and tail springs clamping fixed, long-armedly to fix with stem holding piece, cantilever a is combined into fixture mutually with two stem holding pieces of cantilever b, stirs cantilever a and cantilever b realizes gripping action under screen resilience effect by both sides to the left and right.

Advantage of the present utility model and positively effect are:

This crosshead can install the different experiment equipment such as culture dish, test tube and triangular flask, and be fixed in the aseptic area of spirit lamp, by liberating the left hand of operator, reduce the difficulty of aseptic technique, and reduce operation steps, make that single to carry out aseptic technique more convenient, thus ensure aseptic result further.For the production or the R&D institution that often carry out aseptic technique in enormous quantities, this crosshead can significantly improve cut-and-try work efficiency; For school duty room, because it cannot provide enough Bechtop for all students simultaneously, the operation of each student is independently carried out to use this crosshead to ensure, improves classroom teaching effect, thus has higher using value.

Accompanying drawing explanation

Fig. 1 is that tradition utilizes spirit lamp flame aseptic technique schematic diagram.

Fig. 2 is this Multifunctional sterile crosshead one-piece construction schematic diagram.

Fig. 3 is Multifunctional sterile crosshead cantilever structure for amplifying schematic diagram.

Fig. 4 is that this Multifunctional sterile crosshead is used for culture dish operation chart.

In figure: 1. cradling piece 2. carrier base 3. web member 4. carrier table 5. cantilever a6. cantilever b 7. tail springs presss from both sides the long-armed 10. stem holding pieces of 8. galianconism 9..

Embodiment

Embodiment:

A kind of Multifunctional sterile crosshead, as Figure 2-3, be made up of support, web member, carrier table, cantilever a and cantilever b, support is made up of cradling piece 1 and carrier base 2, and cradling piece 1 is vertically fixed on carrier base 2; Web member 3 is enclosed within cradling piece 1 can vertically move and regulates height and be bolted, and carrier table 4 is connected angle rotatable with web member 3 and is bolted; Cantilever a5 is identical with cantilever b6 structure, each cantilever respectively by tail springs press from both sides 7, galianconism 8, long-armed 9 and stem holding piece 10 form, two tail springs folder 7 is fixed with carrier table 4 respectively and is passed through to press tail springs and presss from both sides and realize cantilever a5 and cantilever b6 rotates, galianconism 8 is at right angles fixedly connected with long-armed 9, galianconism 8 and tail springs press from both sidess 7 fixing, long-armed 9 fix with stem holding piece 10, cantilever a5 is combined into fixture mutually with two stem holding pieces 10 of cantilever b6, stirs cantilever a5 and cantilever b6 realizes gripping action under screen resilience effect by both sides to the left and right.

This crosshead is utilized to operate the method using culture dish, test tube and triangular flask:

1) working method of culture dish

As shown in Figure 4, under normality, cantilever a and cantilever b and platform keep certain angle, and corner dimension regulates by spring pinchcock, to meet operational requirement.During use, culture dish is positioned on carrier table, press simultaneously and open cantilever a and cantilever b, clamp culture dish lid, unclamp hand, cantilever a and cantilever b and culture dish lid will lift simultaneously, and form certain angle with at the bottom of the culture dish on platform, and inoculating tool at this moment can be used in aseptic area to carry out dibbling, line or painting work in culture dish.This crosshead be applicable to diameter be 60,70,90, the culture dish of 150mm.

Compared with carrying out aseptic technique with artificial folding culture dish lid, use this crosshead the left hand of operator can be freed, carry out separately the aseptic technique of other vessel such as test tube, reduce operation easier, avoid many operators are difficult to hold two kinds of vessel simultaneously situation because palm is little., be placed in the aseptic area on carrier table due to culture dish meanwhile, decrease the artificial air-flow rocking generation, the miscellaneous bacteria that can reduce further in air enters the possibility in culture dish with air-flow.In addition, when will repeatedly carry out same operation to same culture dish, such as by all microbe colonies of culture dish respectively picking be out seeded to difference in vitro single culture time, also can reduce to culture dish repeatedly carry out switching action produce pollute possibility.

2) working method of test tube

Only cantilever a and cantilever b need be opened, clamping test tube with stem holding piece can operate.The inoculation operation using this crosshead to carry out test tube reduces except the advantage of operation easier except having the hand-held vessel of minimizing, for an invisible spectro strain inoculation is particularly convenient to the operation of branched test tube, significantly can increase work efficiency, ensure aseptic result.This crosshead is applicable to the test tube that diameter is 10-40mm.

3) working method of triangular flask

Opened by cantilever a and cantilever b, clamping triangle bottleneck with stem holding piece can operate.Triangular flask multiplex come carrying liquid substratum, conventional aseptic rifle head draws the switching that bacterium liquid carries out between different triangular flask in an experiment.Because triangular flask volume is larger, operator can not hold two simultaneously and operates by one hand, therefore the experimental implementation relating to triangular flask is many carries out in two steps, by the bacterium liquid sucking-off bonnet upper bottle cover of a triangular flask, the operation of another triangular flask is opened again while keeping pipettor in aseptic area, or need to be helped open a triangular flask and be placed in aseptic area by an operator, another operator carries out other operations.Use the utility model triangular flask to be operated can be fixed on support, bottleneck is as in aseptic area, two hands of operator only carry out the operation of another triangular flask, operation one step that need carry out in two steps completes, not only can raise the efficiency, the more important thing is can the chance of decreasing pollution miscellaneous bacteria.This crosshead is applicable to the triangular flask that bottleneck diameter is 20-50mm.

Claims (1)

1. a Multifunctional sterile crosshead, is characterized in that: be made up of support, web member, carrier table, cantilever a and cantilever b, support is made up of cradling piece and carrier base, and cradling piece is vertically fixed on carrier base; Web member is enclosed within cradling piece can vertically move and regulates height and be bolted, and carrier table is connected angle rotatable with web member and is bolted; Cantilever a is identical with cantilever b structure, each cantilever is made up of tail springs folder, galianconism, long-armed and stem holding piece respectively, two tail springs folder is fixed with carrier table respectively and is passed through to press tail springs and presss from both sides and realize cantilever a and cantilever b rotates, galianconism is at right angles fixedly connected with long-armed, galianconism and tail springs clamping fixed, long-armedly to fix with stem holding piece, cantilever a is combined into fixture mutually with two stem holding pieces of cantilever b, stirs cantilever a and cantilever b realizes gripping action under screen resilience effect by both sides to the left and right.